A method for calibrating position and orientation of a stage light fixture includes acquiring light spot images and light fixture angle information when light beams of the stage light fixture respectively project on at least three different positions, and calculating first coordinates of a light beam center line projection point image in each of the light spot images in a camera coordinate system; deducing second coordinates of a light beam center line projection point on the stage in a stage coordinate system based on the first coordinates and information about internal parameters and a position and an orientation of a camera when the light spot images are acquired, and recording corresponding relationship between the second coordinates and the light fixture angle information; and determining a calibrated position and orientation of the target stage light fixture based on the second coordinates, the light fixture angle information and the corresponding relationship.
A foldable handle, comprising a base bar (100); a steering lever (200) pivoted to the base bar (100), wherein the steering lever (200) has two states relative to the base bar (100), including a folding state where the steering lever (200) is sub stantially perpendicular to the base bar (100) and an unfolding state where the steering lever (200) is substantially in the same line with the base bar (100), and the steering lever (200) is configured in a way that in the unfolding state a first side of the steering lever (200) is blocked by a side plate (130) protruded from an end of the base bar (100) to restrict the steering lever (200) to rotate forward; and a movable retaining element (300), wherein the retaining element (300) is configured to move, in the unfolding state of the steering lever (200), to be abutted against a second side of the steering lever (200) opposite to the first side blocked by the side plate (130) to restrict the steering lever (200) to rotate backward.
A foldable handle includes a base bar, a steering lever pivoted to the base bar, and a movable retaining element. The steering lever has two states relative to the base bar, including a folding state where the steering lever is substantially perpendicular to the base bar and an unfolding state where the steering lever is substantially in the same line with the base bar. The steering lever is configured in a way that in the unfolding state a first side of the steering lever is blocked by a side plate protruded from an end of the base bar to restrict the steering lever to rotate forward. The retaining element is configured to move to be abutted against a second side of the steering lever opposite to the first side blocked by the side plate to restrict the steering lever to rotate backward in the unfolding state of the steering lever.
A reverse-lock hand holding assembly includes a base support and a handle pivoted to the base support, which handle has a folded state and an unfolded state. A locking plate capable of sliding parallel to the base support is arranged on the base support for locking the handle against reverse rotation thereof, which locking plate has a first position and a second position, and the rotation shaft of the handle is provided with a locking block. The locking plate releases the handle and allows the handle to rotate between the folded state and the unfolded state when at the first position, and the locking block is abutted against the locking plate toward the base support to limit the handle to reversely rotate to the folded state from the unfolded state when the locking plate is at the second position.
A stage light fixture with a light head having external heat dissipation includes a light head for projecting light beams, which is formed as a cylinder with a light outlet which is covered by a light emitting lens, and a support arm for supporting the light head to rotate via a pivoting shaft. At least one first blower is provided in the support arm, which is configured to blow air around the light head to flow and thus cool the light head. According to the present invention, active heat dissipation is formed and enclosed interior of the cylinder is simultaneously ensured without damage to the existed structure of the light head. The light head thus can be effectively cooled in a way that the air around the light head is blown to flow and promptly entrain the heat on the side wall thereof via the first blower.
The present invention relates to a stage light fixture with an integrated lens holder, which includes a light head having a light source and a light-outgoing lens assembly, light emitted from the light source being projected through the light-outgoing lens assembly; and a support arm for supporting the light head to rotate. The light head is provided with a lens mounting ring for fastening the light-outgoing lens assembly, a support plate having a light-passing hole, and a plurality of support pillars for connecting the lens mounting ring to the support plate, which are integrally form the lens holder in an integrated form to accommodate a focusing assembly and/or an amplifying assembly. Compared to the lens holder formed by splicing metal plates, such integrated structure can reduce parts for assembly and further reduce geometric tolerance due to multiple process flow, thereby achieving improved assembly accuracy. Meanwhile, the integrated lens holder can strengthen the whole strength thereof.
The present invention discloses a stage light system for synchronized operation of a show, including a plurality of stage lights, each stage light has an ad hoc network module; and a controller for controlling the stage light. A LAN is established among at least a portion of the stage lights by the controller through the ad hoc network module, in such LAN one of the stage lights is selected as a master node and the rest are taken as a plurality of follower nodes. All of the stage lights in the LAN are configured to perform time synchronization, and send the current show frame information of the master node to the follower nodes and adjust respective show frames of the follower nodes according to the current show frame information of the master node. By equipping each stage light with the ad hoc network module, the LAN is established, so that the stage lights in the LAN can communicate with each other and the time of the stage lights as the follower nodes can be consistent with the time of the stage light as the master node to achieve time consistency of all the stage lights in the LAN. Meanwhile, the follower nodes can adjust their own show frame according to the current show frame information of the master node, thereby achieving synchronous operation of the show for the stage lights in the LAN.
The present invention discloses a Mesh network-based synchronization system of a stage light group. The system includes a plurality of stage lights and a controller for controlling the stage lights, each of the stage lights having an ad hoc network module. A LAN is established based on the Mesh technology among several stage lights by the controller under the help of the ad hoc network module, in which one stage light in the LAN acts as a master node, the remaining stage lights forms at least one tree-shaped network topological structure connected to the master node, and some stage lights in the LAN are selected to form a group. It is configured that subsequent to time synchronization of the stage lights in the group, delay time of each stage light in the group relative to the master node is respectively calculated according to the layer level between the corresponding stage light in the group and the master node, the master node is configured to send a start command in advance of the corresponding delay time to the respective stage light to synchronously display a show by the stage lights within the group. Synchronous displaying a show by the stage lights in the group has advantageous to bring much better show effect and experience for audiences.
The present invention discloses a human body positioning method based on multi-perspectives and a lighting system. The method includes simultaneously capturing pictures from at least two perspectives angles and extracting human body feature points, matching the human body feature points of a same human body of a same position in different pictures to form matched point groups and calculating 3D coordinates of corresponding 3D point of each matched point group in a 3D space, further calculating and weighting spatial geometric error between the 3D point and each human body feature point of the corresponding matched point group in each original picture to obtain reprojection error of the 3D point, and subsequent to projecting each 3D point onto the ground to obtain single-point 2D coordinates thereof on the ground, weighting the projected single-point 2D coordinates according to the reprojection error of the corresponding 3D point to obtain a projection distribution of the corresponding human body on the ground. In such way, human body is directly determined, thus some possible mis-matching interference can be eliminated that may occur in the process of forming the matched point group. In addition, the projection distribution of the human body on the ground is a collection of the weighted single-point 2D coordinates, which thus can determine the maximum possible projection range of the human body on the ground, achieving more accurate positioning.
A light head (100) with auxiliary heat dissipation includes a housing (200) having a light outlet and a light-outgoing lens assembly (300) being arranged at the light outlet. A cover plate (220) is provided at the outer side of the housing (200). A heat-dissipating air passage (230) is formed between the housing (200) and the cover plate (220) along the length direction of the housing (200), and both ends of the heat-dissipating air passage (230) are respectively provided with a first air vent (231) and a second air vent (232). A first air blower (233) is further included for blowing the air in the heat-dissipating air passage (230) to flow between the first air vent (231) and the second air vent (232).
F21V 29/507 - Dispositions de refroidissement caractérisées par l’adaptation au refroidissement de composants spécifiques de moyens de protection des dispositifs d’éclairage contre les détériorations, p. ex. boîtiers
F21V 29/67 - Dispositions de refroidissement caractérisées par l’utilisation d’un écoulement forcé de gaz, p. ex. de l’air caractérisées par la disposition de ventilateurs
F21V 29/83 - Dispositions de refroidissement caractérisées par des éléments passifs de dissipation de chaleur, p. ex. puits thermiques les éléments comportant des ouvertures, des conduits ou des canaux, p. ex. des trous de rayonnement thermique
F21V 15/01 - Boîtiers, p. ex. matériau ou assemblage de parties du boîtier
A human body positioning method based on multi-perspectives includes simultaneously capturing pictures from at least two perspectives angles and extracting human body feature points, matching the human body feature points of a same human body of a same position in different pictures to form matched point groups and calculating 3D coordinates of corresponding 3D point of each matched point group in a 3D space, further calculating and weighting spatial geometric error between the 3D point and each human body feature point of the corresponding matched point group in each original picture to obtain reprojection error of the 3D point, and subsequent to projecting each 3D point onto the ground to obtain single-point 2D coordinates thereof on the ground, weighting the projected single-point 2D coordinates according to the reprojection error of the corresponding 3D point to obtain a projection distribution of the corresponding human body on the ground.
The present invention relates to the technical field of stage light fixtures, in particular to a stage light fixture having a universal support arm, which includes a supporting arm (1) rotatably supported on a bottom base (25), the supporting arm (1) having a universal frame (27) of an integrally formed structure and an adapter (8) detachably connected to the universal frame (27) and a light head (7) rotatably disposed at the adapter (8) via a rotating shaft, a light source being disposed in the light head (7). The present invention is advantageous to improve the mounting accuracy and overall structural strength of the movable support of a light head, simplify the assembly process of the movable support of the light head, and contribute to standardize the production of the movable support of the light head.
F21V 17/00 - Fixation des parties constitutives des dispositifs d'éclairage, p. ex. des abat-jour, des globes, des réfracteurs, des réflecteurs, des filtres, des écrans, des grilles ou des cages de protection
F21V 17/12 - Fixation des parties constitutives des dispositifs d'éclairage, p. ex. des abat-jour, des globes, des réfracteurs, des réflecteurs, des filtres, des écrans, des grilles ou des cages de protection caractérisée par des moyens de fixation spécifiques par vissage
The present invention relates to the technical field of stage light fixtures, in particular to a stage light fixture having a universal support arm, which includes a supporting arm rotatably supported on a bottom base, the supporting arm having a universal frame of an integrally formed structure and an adapter detachably connected to the universal frame and a light head rotatably disposed at the adapter via a rotating shaft, a light source being disposed in the light head. The present invention is advantageous to improve the mounting accuracy and overall structural strength of the movable support of a light head, simplify the assembly process of the movable support of the light head, and contribute to standardize the production of the movable support of the light head.
The present invention discloses a fastening component free from electrochemical corrosion and a stage light fixture having the same. The fastening component includes a first fastening plate, a second fastening plate and a fastening screw connecting the first fastening plate with the second fastening plate. The first fastening plate and the second fastening plate are respectively provided with a first fastening hole and a second fastening hole corresponding to the fastening screw. A screw shaft of the fastening screw is penetrated through the first fastening hole and entered the second fastening hole. A head of the fastening screw is abutted against the first fastening plate, and the head is sleeved with an isolation member for preventing the first fastening plate and the fastening screw (300) from electrochemical corrosion. The isolation member includes an annular spacer located between the lower end face of the head and the first fastening plate, and a first segment surrounding the side wall of the head and connected to the annular spacer, and the upper end face of the first segment is higher than or flush with the upper surface of the first fastening plate or the upper end face of the head in a smaller height. In such way, after falling on the fastening component, rainwater will be insulated by the isolation member and will not be able to establish an electrical connection between the head and the first fastening plate, thereby preventing electrochemical corrosion between the head and the first fastening plate and protecting the first fastening plate against corrosion.
F16B 5/02 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par organes de fixation utilisant un filetage
F16B 33/00 - Caractéristiques communes aux boulons et aux écrous
F16B 43/00 - Rondelles ou dispositifs équivalentsAutres dispositifs de support pour têtes de boulons ou d'écrous
F21V 17/12 - Fixation des parties constitutives des dispositifs d'éclairage, p. ex. des abat-jour, des globes, des réfracteurs, des réflecteurs, des filtres, des écrans, des grilles ou des cages de protection caractérisée par des moyens de fixation spécifiques par vissage
A stage light fixture with high-stable rotational positioning including a base, a pivoting arm pivoted to the base through a pivoting shaft, and a light head pivoted to the pivoting arm through another pivoting shaft. An angular detector for detecting a rotation angle of the light head and/or the pivoting arm is further provided, which includes a stator assembly and a rotor assembly oppositely arranged each other, wherein the stator assembly has a magnet exciting coil adapted to form an alternating magnetic field in a region of the stator assembly by high-frequency periodic alternating current and voltage and a receiving coil arranged in the alternating magnetic field adapted to form an induced electromotive force; and the rotor assembly is configured to change electromagnetic coupling strength between the magnet exciting coil and the receiving coil during rotation thereof relative to the stator assembly.
A lighting control method includes steps of: obtaining an influence range of lighting irradiation of a light source; recognizing a plurality of designated targets within a certain range; making a marking for each of the designated targets and obtaining a current distance between each of the designated targets and the light source; obtaining a current output power of the light source; and determining whether the marking enters the influence range, whether the current distance is less than a preset distance threshold, and whether the output power is greater than a preset power threshold, if all yes, outputting a protection signal. According to the present invention, safety can be visually and quickly determined in an easy way through three conditions including the influence range, the current distance and the output power, without complex energy density calculation.
A waterproof light head structure of a stage light fixture includes a main bracket, a front cover and a rear cover respectively disposed at the front side and the rear side of the main bracket, and a light outgoing lens assembly disposed above the main bracket. The main bracket includes an upper support and a lower support, the upper support is mounted above the lower support, and the upper support is in sealed and detachable connection with the lower support. The upper support is at least used for mounting an optical lens assembly, and the lower support is at least used for mounting an effect assembly. The main bracket is disposed in a cavity formed by joining the front cover with the rear cover, and the front cover and the rear cover are in sealed connection with the light outgoing lens assembly and the main bracket along the edges thereof to form an all-around waterproof structure. The waterproof light head structure in the present invention has both waterproof feature and modularization feature of a non-waterproof light head structure, which can overcome defects of inconvenience to mount and maintain existing in the prior art.
A high-precision rotary positioning stage lamp, comprising a lamp holder (100), a support arm (200) for supporting the lamp holder (100) to rotate, and a case (300) for supporting the support arm (200) to rotate by 360 degrees or above. A driving shaft (420) of a motor (400) is connected to an elliptical driving wheel (510); the outside of the elliptical driving wheel (510) is sleeved with a flexible first gear (520) having external teeth; the outside of the first gear (520) is sleeved with a rigid second gear (530) having internal teeth; the inner diameter of the second gear (530) is greater than the outer diameter of the first gear (520), and the number of teeth of the second gear (530) is greater than that of the first gear (520); the two ends of the elliptical driving wheel (510) in the long axis direction abut against the first gear (520) so that the first gear (520) deforms and is then engaged with the second gear (530); and the second gear (530) is fixed relative to a base (410) of the motor (400). The base (410) of the motor (400) is fixed to the case (300), and the first gear (520) is connected to the support arm (200); or the base (410) of the motor (400) is fixed to the support arm (200), and the first gear (520) is connected to the lamp holder (100)/case (300); or the base (410) of the motor (400) is fixed to the lamp holder (100), and the first gear (520) is connected to the support arm (200). A rigid transmission part is directly used for transmission, so that the need for an elastic synchronous belt is eliminated, and the positioning error caused by elastic deformation of an elastic transmission part is avoided.
The present solution belongs to the technical field of stage lamps. Disclosed are a magnetic levitation optical filter slide rail, an optical filter mechanism, and a stage lamp. The magnetic levitation optical filter slide rail comprises a guide rail and a slider, the guide rail being a columnar structure, and the slider being a cylindrical structure and being sleeved on the guide rail. The parts of the slider and the guide rail facing each other have the same polarity, and a gap is provided the inner surface of the slider and the outer surface of the guide rail. In the present solution, the mutual repulsive force between the columnar guide rail and the cylindrical slider sleeved thereon causes the slider to levitate with respect to the guide rail, so as to reduce or eliminate the force of friction therebetween, thus reducing the moving resistance and the energy waste and realizing the advantages of no energy consumption during levitation, low moving energy consumption, no noise, low vibration, a long service life, etc.
F21V 21/34 - Éléments de support déplaçables le long d'un élément de guidage
F21V 17/00 - Fixation des parties constitutives des dispositifs d'éclairage, p. ex. des abat-jour, des globes, des réfracteurs, des réflecteurs, des filtres, des écrans, des grilles ou des cages de protection
F21V 9/00 - Éléments modifiant les caractéristiques spectrales, la polarisation ou l’intensité de la lumière émise, p. ex. filtres
F21V 9/40 - Éléments modifiant les caractéristiques spectrales, la polarisation ou l’intensité de la lumière émise, p. ex. filtres avec des dispositions pour commander les propriétés spectrales, p. ex. la couleur, ou l’intensité
F21V 14/00 - Commande de la distribution de la lumière émise par réglage d’éléments constitutifs
F21S 8/00 - Dispositifs d'éclairage destinés à des installations fixes
F21W 131/105 - Éclairage de plein air ou d'extérieur des stades ou des espaces similaires
F21W 131/406 - Éclairage pour un usage industriel, commercial, récréatif ou militaire pour les théâtres, les scènes ou les studios cinématographiques
20.
Stage light fixture having light effect elements server
A stage light fixture having light effect elements server includes a light source arranged in a light head for generating a light beam, effect sheets for generating a light effect, at least one light effect elements server for receiving the effect sheets, and at least one moving mechanism for extracting at least one of the effect sheets from the light effect elements server to move between the light effect elements server and the light beam, and can keep the extracted effect sheet in the light beam. According to the present disclosure, the moving mechanism may not always occupy the space in the direction of the light path of the light beam, but only temporarily occupy the space in the direction of the light path when the effect sheet is moved to the light path, the space thus can be fully utilized.
A waterproof light head structure includes a main bracket, a front cover and a rear cover respectively arranged on the front side and the rear side of the main bracket, an upper plate arranged above the main bracket, a bottom plate arranged below the main bracket, a lens assembly arranged on the main bracket via the upper plate, and a light source arranged in the main bracket. The main bracket is arranged in a cavity formed by joining the front cover and the rear cover. The front cover and the rear cover are respectively in sealed connection with the upper plate and the bottom plate, and the side edges where the front cover and the rear cover are joined are in sealed connection to form an all-around waterproof structure. The waterproof light head according to the present invention is simple in structure, while the waterproof performance is guaranteed.
A waterproof light head structure, includes a main bracket, a front cover and a rear cover respectively arranged on the front side and the rear side of the main bracket, an upper plate arranged above the main bracket, a bottom plate arranged below the main bracket, a lens assembly arranged on the main bracket via the upper plate, and a light source arranged in the main bracket. The main bracket is arranged in a cavity formed by joining the front cover and the rear cover. The front cover and the rear cover are respectively in sealed connection with the upper plate and the bottom plate, and the side edges where the front cover and the rear cover are joined are in sealed connection to form an all-around waterproof structure. The waterproof light head according to the present invention is simple in structure, while the waterproof performance is guaranteed, the internal structure is also simplified, facilitating mounting and maintaining, the advantages of both non-waterproof light head and waterproof light head structures are achieved, which is applicable in a wide range of scenarios.
A stage lamp having a lighting effect device library (300), the stage lamp comprising: a light source (110), which is arranged in a lamp head (100) and is used for generating a light beam; an effect piece (200), which cooperates with the light beam to generate a lighting effect; at least one lighting effect device library (300), which is used for storing the effect piece (200); and at least one moving device (400), which is used for taking the effect piece (200) out from the lighting effect device library (300), the moving device (400) moving the effect piece (200) between the lighting effect device library (300) and the light beam, and being capable of keeping the effect piece (200) in the light beam. In this way, the moving device (400) does not occupy a light path for a long time and does not take up the space on the light path, but instead only temporarily occupies the space on the light path when moving the effect piece (200) into the light path, which is beneficial to the full utilization of the space on the light path, such that a larger number and more types of effect pieces (200) can be provided, and a plurality of lighting effect device libraries (300) can even share one moving device (400), thereby further saving on space.
The present invention relates to the technical field of lamplight control, and specifically relates to a lamplight control method and system. The lamplight control method comprises the following steps: acquiring an influence range of lamplight irradiation; identifying several designated targets within a certain range; marking each designated target; acquiring the current distance between each designated target and a lamplight source; acquiring the current output power of the lamplight source; and when a mark enters the influence range, the current distance is smaller than a preset distance threshold, and the output power is greater than a preset power threshold, outputting a protection signal. The complex problem of the degree of irradiation action of lamplight is solved in a simple way, complex energy density calculation is replaced, determination of safety is visually and rapidly implemented, and a new perspective is provided for addressing the influence of a lamplight source on a designated target.
The present solution relates to the technical field of stage lamps. Disclosed are a magnetic levitation lens moving mechanism and a stage lamp. The magnetic levitation lens moving mechanism comprises a lens module used for changing a beam divergence angle, a driving mechanism, and magnetic levitation slide rails; each magnetic levitation slide rail comprises a guide rail and a slide block; the slide block is connected to the driving mechanism; the guide rail is provided with a slide groove extending in the length direction of the guide rail; the slide block is slidably connected to the slide groove and matched with the slide groove in shape; the polarity of at least one surface of the slide block and at least one surface of the guide rail opposite to each other is the same; a gap is maintained between the surface of the slide groove and the outer surface of the slide block; and the side of the slide block close to an opening of the slide groove is connected to the lens module. According to the present solution, the slide block is levitated in the guide rail due to the mutual repulsive force between the guide rail provided with the slide groove and the slide block matched with the slide groove in shape, such that the friction force between the guide rail and the slide block is reduced or eliminated, so as to reduce the resistance to movement of the lens module and reduce energy waste, and the present invention has the advantages of having no energy consumption for levitation, low energy consumption for movement, no noise, small vibration, long service life, etc.
A self-calibration method for positioning of a light fixture includes steps of: S1. setting a plurality of preset positioning reference points around the circumference of the absolute encoder; driving the light fixture to rotate by the driving device and acquiring a corresponding first output value of the absolute encoder at each preset positioning reference point; S2. driving the light fixture to rotate by the driving device and acquiring a second output value of the absolute encoder, and when the second output value is equal to the corresponding first output value at a certain preset positioning reference point, taking the preset positioning reference point as a calibrated positioning reference point; and S3. positioning the light fixture according to the calibrated positioning reference point.
A fastening component free from electrochemical corrosion includes a first fastening plate, a second fastening plate, and a fastening screw connecting them. A screw shaft of the fastening screw is penetrated through a first fastening hole of the first fastening plate and entered the second fastening hole of the second fastening plate. A head of the fastening screw is abutted against the first fastening plate and is sleeved with an isolation member for electrochemical corrosion protection. The isolation member includes an annular spacer located between the lower end face of the head and the first fastening plate, and a first segment surrounding the side wall of the head and connected to the annular spacer, and upper end face of the first segment is higher than or flush with the upper surface of the first fastening plate or the upper end face of the head in a smaller height.
A lamp having a multi-target temperature measurement circuit, comprising a lamp base, wherein the lamp base comprises a light source assembly for generating an optical path, a light emitting lens, a temperature controlled element provided in the lamp base, and a heat dissipation assembly for dissipating heat from the temperature controlled element, and further comprising a single chip microcomputer and temperature sensors (20) located at a plurality of positions in the lamp base, wherein the single chip microcomputer, by means of an integrated communication serial port, is connected to the plurality of temperature sensors connected in parallel, the plurality of temperature sensors send corresponding address signals and temperature measurement signals to the single chip microcomputer by means of the integrated communication serial port, and the single chip microcomputer receives and processes the plurality of temperature measurement signals. The number of occupied serial ports of single chip microcomputers in a circuit is reduced, the number of the single chip microcomputers is reduced, and the cost of the temperature measurement circuit is reduced.
F21V 23/00 - Agencement des éléments du circuit électrique dans ou sur les dispositifs d’éclairage
F21V 29/60 - Dispositions de refroidissement caractérisées par l’utilisation d’un écoulement forcé de gaz, p. ex. de l’air
G01K 7/24 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments résistifs l'élément étant une résistance non linéaire, p. ex. une thermistance dans un circuit spécialement adapté, p. ex. un circuit en pont
G01J 5/24 - Utilisation de circuits spécialement adaptés, p. ex. de circuits en pont
H05B 47/18 - Commande de la source lumineuse par télécommande via une transmission par bus de données
A stage lamp having a constant color temperature, and a control system for same. The stage lamp having a constant color temperature comprises a light source (100) for generating light beams, and a gradient-color-temperature sheet (200) for changing the color temperatures of the light beams. The stage lamp having a constant color temperature further comprises a first pattern sheet (310) and a second pattern sheet (320), which selectively block the light beams, such that the stage lamp projects specific patterns, wherein the light-passing area of the first pattern sheet (310) is larger than the light-transmitting area of the second pattern sheet (320), and the gradient-color-temperature sheet (200) has a first position which corresponds to the first pattern sheet (310) and is used for interfering a light path, and has a second position which corresponds to the second pattern sheet (320) and is used for interfering the light path, and therefore the color temperatures of the light beams finally projected by the stage lamp remain the same when the first pattern sheet (310) is cut into the light path and the gradient-color-temperature sheet (200) is arranged at the first position, and when the second pattern sheet (320) is cut into the light path and the gradient-color-temperature sheet (200) is arranged at the second position. For the pattern sheets (310, 320) having different light-passing areas, the gradient-color-temperature sheet (200) is enabled to cut in light beams to different degrees, so as to perform different degrees of color temperature compensation, such that the color temperatures of the light beams finally projected by the stage lamp are the same.
A light fixture having a multi-target temperature detection circuit includes a light source assembly for generating a light path, a light outgoing lens, a plurality of temperature-controlled elements inside the light head of the light fixture, and at least one heat dissipation assembly for dissipating heat from the temperature-controlled elements. A single-chip microcomputer and a plurality of temperature sensors located at various positions inside the light head are included. The single-chip microcomputer is connected to, via an integrated communication serial port, the plurality of temperature sensors connected in parallel and send corresponding address signals and temperature detection signals to the single-chip microcomputer via the integrated communication serial port, and the single-chip microcomputer receives and processes the plurality of temperature detection signals.
A light fixture with redundancy protection includes a light head with a light source inside, a driving mechanism for driving the light head to change the projection direction, an angle detector for detecting the projection direction of the light head, and an original micro-control unit and a redundancy micro-control unit both being coupled to a controller. The original micro-control unit serves to receive an angle control signal from the controller and forward same to the driving mechanism, the redundancy micro-control unit serves to receive the angle control signal from the original micro-control unit or the controller, and both the original micro-control unit and the redundancy micro-control unit are coupled to the angle detector. A safety protection unit coupled to the controller is further included which is for conducting safety protection actions according to a feedback signal from the original micro-control unit or from the redundancy micro-control unit.
A light fixture with self-test ability of sealing includes a light head with a head housing, a light source for emitting light and generating heat, and a temperature sensor and an air pressure sensor for respectively detecting the temperature and air pressure inside the head housing are provided in the head housing. A controller is further included for determining the sealing performance of the head housing based on the detection results of the temperature sensor and the air pressure sensor. The head housing is provided with a waterproof breathable valve allowing the internal space of the head housing in air communication with the external space of the light fixture. A switch is configured which is capable of switching between two states by unblocking/blocking the waterproof breathable valve to make the internal space of the head housing in air communication with the external space of the light fixture or not.
A motor assembly for slowing down falling speed of a stage light fixture on power failure includes a motor driver, an automatic transfer switch, a capacitive load, and an alternating current motor. In the case that the automatic transfer switch is energized, windings of the alternating current motor are kept connected to the motor driver, and in the case that the automatic transfer switch is deenergized, the windings of the alternating current motor are switched to be connected to the capacitive loads. The motor assembly according to the present disclosure can reduce the falling speed of the stage light fixture in case of the power failure.
H02P 5/46 - Dispositions spécialement adaptées à la régulation ou la commande de la vitesse ou du couple d’au moins deux moteurs électriques pour la régulation de vitesse de plusieurs moteurs dynamo-électriques en relation les uns avec les autres
F21V 14/00 - Commande de la distribution de la lumière émise par réglage d’éléments constitutifs
F21V 21/15 - Montages réglables spécialement adaptés pour un actionnement par moteur, p. ex. par commande à distance
F21V 25/00 - Dispositifs de sécurité associés structuralement avec les dispositifs d'éclairage
H02P 3/18 - Dispositions pour l'arrêt ou le ralentissement de moteurs, génératrices électriques ou de convertisseurs dynamo-électriques pour arrêter ou ralentir individuellement un moteur dynamo-électrique ou un convertisseur dynamo-électrique pour arrêter ou ralentir un moteur à courant alternatif
H02P 25/10 - Moteurs à collecteur, p. ex. moteurs à répulsion
F21W 131/406 - Éclairage pour un usage industriel, commercial, récréatif ou militaire pour les théâtres, les scènes ou les studios cinématographiques
36.
EASY-TO-MAINTAIN WATERPROOF CHASSIS, AND STAGE LAMP HAVING SAME
An easy-to-maintain waterproof chassis (400), and a stage lamp having same. The easy-to-maintain waterproof chassis (400) comprises a bottom frame (100), and an upper cover (200), which covers the bottom frame (100) and is provided with a pivot hole (210), wherein the bottom frame (100) is cast as a whole; the upper cover (200) comprises a first cover body (220) and a second cover body (230), which are assembled with each other; the pivot hole (210) is formed by jointly assembling the first cover body (220) and the second cover body (230); an oil seal (300) for sealing the outside of a pivot shaft is provided at the pivot hole (210), and the oil seal (300) is mounted and fixed by means of a mounting plate (310); the first cover body (220), the second cover body (230) and the mounting plate (310) are sealed with each other by means of a first sealing strip; and the first cover body (220) and the second cover body (230) abut against the bottom frame (100), with a second sealing strip (250) being provided at each abutment. The upper cover (200) is divided into the first cover body (220) and the second cover body (230), and the first cover body (220) and the second cover body (230) are jointly assembled to form the pivot hole (210), so that the upper cover (200) can be removed from the bottom frame (100) without disassembling other elements, so as to maintain the interior of the waterproof chassis (400) conveniently and rapidly.
A small-sized aperture module (100) and a stage lamp having same. The aperture module (100) comprises a substrate (110), an optical shutter fixed onto the substrate (110), a motor (130) for providing a driving force, a connection rod mechanism (150) having one end connected to the motor (130), and a transition gear located between the connection rod mechanism (150) and the optical shutter (120); the periphery of the optical shutter (120) is provided with a sawtooth segment (122) directly or indirectly engaged with the transition gear (140); the other end of the connection rod mechanism (150) is hinged onto the transition gear (140); driven by the motor (130), the connection rod mechanism (150) drives the transition gear (140) to move, so as to switch the optical shutter (120) between a closed state and an open state. Such a transmission structure reduces the size of the aperture module (100).
A stage light fixture with an integrated lens holder includes a light head having a light source and a light-outgoing lens assembly, light emitted from the light source being projected through the light-outgoing lens assembly; and a support arm for supporting the light head to rotate. The light head is provided with a lens mounting ring for fastening the light-outgoing lens assembly, a support plate having a light-passing hole, and a plurality of support pillars for connecting the lens mounting ring to the support plate, which are integrally form the lens holder in an integrated form to accommodate a focusing assembly and/or an amplifying assembly. Compared to the lens holder formed by splicing metal plates, such integrated structure can reduce parts for assembly and reduce geometric tolerance due to multiple process flow, thereby achieving improved assembly accuracy. Meanwhile, the integrated lens holder can strengthen the whole strength thereof.
A waterproof base convenient to maintain includes a bottom frame which is integrally die-cast formed, and an upper cover with a pivoting hole covering the bottom frame. The upper cover includes a first cover body and a second cover body which are spliced to each other. The pivoting hole is formed by jointly splicing the first cover body and the second cover body, and an oil seal for sealing the outer side of a pivoting shaft penetrated the pivoting hole is disposed at the pivoting hole. The oil seal is mounted and fixed by a mounting plate. A first sealing strip seals the first cover body, the second cover body and the mounting plate with respect to each other, the first cover body and the second cover body abut against the bottom frame, and second sealing strips are disposed at abutting positions.
A small-sized aperture assembly includes a base plate, an optical shutter fixed to the base plate, a motor providing a driving force, a linkage mechanism with one end connected to the motor, and a transition gear located between the linkage mechanism and the optical shutter. A periphery of the optical shutter is provided with a sawtooth segment meshed with the transition gear, and the other end of the linkage mechanism is hinged to the transition gear, so that the linkage mechanism drives the transition gear to move under the driving of the motor, and enables the optical shutter to switch between a closed state and an open state.
A waterproof light head structure of a stage light fixture includes a main bracket, a front cover and a rear cover respectively disposed at the front side and the rear side of the main bracket, and a light outgoing lens assembly disposed above the main bracket. The main bracket includes an upper support and a lower support, the upper support is mounted above the lower support and is in sealed and detachable connection with the lower support. The upper support is at least used for mounting an optical lens assembly, and the lower support is at least used for mounting an effect assembly. The main bracket is disposed in a cavity formed by joining the front cover with the rear cover, and the front cover and the rear cover are in sealed connection with the light outgoing lens assembly and the main bracket along the edges thereof.
Disclosed in the present invention is a luminaire system capable of automatic adjustment of the lens inclination. The luminaire system comprises a case, a supporting arm pivoted to the case and rotating in a first dimension, and a luminaire head pivoted to the supporting arm and rotating in a second dimension. A light source, a light-transmitting lens, and at least three driving mechanisms used for driving the light-transmitting lens to move in the light-emitting direction of the light source are arranged in the luminaire head, the driving mechanisms being independent of each other and being not located on the same straight line. The included angle between the light-transmitting lens and the light-emitting direction of the light source is monitored by using angle testers; when it is detected that the light-transmitting lens is not perpendicular to the light-emitting direction of the light source, a controller, according to the included angle between the light-transmitting lens and the light-emitting direction of the light source, controls corresponding driving mechanisms to separately work so as to adjust the light-transmitting lens to make same move until the light-transmitting lens is perpendicular to the light-emitting direction of the light source. The light-transmitting lens is driven to move in the light-emitting direction of the light source by the at least three independent driving mechanisms, and the included angle between the light-transmitting lens and the light-emitting direction of the light source is monitored by using the angle testers, so that the lens can return to the angle at which the lens is perpendicular to the light-emitting direction of the light source.
A light fixture system with auto-adjustable inclination angle of a lens includes a case, a supporting arm pivotally connected to the case and rotatable in a first dimension, and a light head pivotally connected to the supporting arm and rotatable in a second dimension. The light head is provided with a light source, a light-transmitting lens, and at least three driving mechanisms for driving the light-transmitting lens to move along an outgoing direction of the light source, and the driving mechanisms are independent from each other and not located in the same line. An angle detector is used to monitor an included angle of the light-transmitting lens with respect to the outgoing direction of the light source, when the light-transmitting lens is not perpendicular to the outgoing direction of the light source, the light-transmitting lens is controlled to be perpendicular to the outgoing direction of the light source.
A stage light fixture with an optical parameter detection function includes a light head, a supporting arm and a case. A light source for generating a light path, a light guiding member for guiding light to deviate from the light path, and an optical parameter detector are provided in the light head. The light guiding member can be freely switched into/out of the light path via a driving mechanism. The optical parameter detector can receive and detect the light guided out by the light guiding member. According to the present invention, the light guiding member can be switched into the light path to guide the light to the optical parameter detector for detection, only when the stage light fixture is started to work, or detection is performed at an interval between operations of the stage light fixture, while switched out of the light path when in operation.
A stage lamp having a light parameter measurement function. The stage lamp comprises a lamp head (100), a support arm (200) and a case (300), wherein the lamp head (100) is internally provided with a light source (110) for generating a light path, a light guide member (120) for guiding light to deviate from the light path, and a light parameter measurement instrument (130); the light guide member (120) freely moves into/out of the light path by means of a drive mechanism; and the light parameter measurement instrument (130) receives the light guided by the light guide member (120), and performs measurement on the light. The light guide member (120) can move into the light path only when the stage lamp is switched on, so as to guide light to the light parameter measurement instrument (130) for measurement, or measurement is performed in a gap in the operation of the stage lamp, and the light guide member (120) moves out of the light path when the stage lamp operates, such that a projection effect of a light beam is not affected. In addition, the light parameter measurement instrument (130) is not directly placed into the light path; instead, some light of the light source (110) is guided by using the light guide member (120), and measurement is then performed by using the light parameter measurement instrument (130), thereby preventing a short circuit caused by a cable connected to the light parameter measurement instrument (130) being damaged due to heating up under the irradiation of strong light of the light source (110).
A stage lamp optical focusing method and a stage lamp optical system. The method comprises: collecting return light which is from a projection light spot and which returns to a focal plane (2) of a light source (1) via a focusing lens group (3), performing real-time imaging on a first light sensing module, and a focusing system adjusting the position of the focusing lens group (3) according to real-time imaging, such that a real-time focusing point of the return light coincides with an ideal focusing point, wherein the ideal focusing point is the focal point of the light source (1) or a conjugate point of the focal point. It is conducive to the improvement of the focusing precision of a stage lamp, and it is more conducive to the implementation of automatic focusing, without relying on manual focusing, such that it can be ensured that the stage lamp automatically projects clear patterns at different projection positions.
A stage lamp (100) having high data security, and an Internet-of-Things system. The stage lamp having high data security comprises a memory (110) for storing the working information of the stage lamp (100), a signal transmitter (120) for reading the working information and transmitting the working information to a terminal (300) by means of a server (200), and a signal receiver (130) for receiving an access request of the terminal (300), wherein the memory (110) further stores an access account and corresponding access permission; when the signal receiver (130) receives a verification account transmitted by the terminal (300) by means of the server (200), the stage lamp (100) verifies the verification account and an access account stored in the memory (110); if the verification succeeds, the stage lamp (100) opens a working information access right corresponding to the access permission of the verification account to the terminal (300); and otherwise, the stage lamp refuses the access request of the terminal (300). The data is directly stored in a local stage lamp (100), and it is not needed to store any working information, the access account, and the corresponding access permission in the server (200), and thus, the information security is higher, the permission is set by a user, and the right of publicity of the working information is controlled by the user.
H04L 67/12 - Protocoles spécialement adaptés aux environnements propriétaires ou de mise en réseau pour un usage spécial, p. ex. les réseaux médicaux, les réseaux de capteurs, les réseaux dans les véhicules ou les réseaux de mesure à distance
The present utility model relates to the technical field of stage lamp devices, and in particular to a stage lamp having a metalens, comprising a lamp base, a light source which is located in the lamp base and generates a light beam having a primary optical axis, and a support frame which is pivotally connected to the lamp base and supports the lamp base. The lamp base has a metalens that defines a divergence angle of the light beam and a light outlet; a light exit lens is fixed to the light outlet; the metalens comprises a substrate and a plurality of nanopillars arranged on the substrate, and the metalens is coaxial with the primary optical axis; after the angle of the light beam emitted by the light source is changed by the nanopillars, the light beam is emitted from the light exit outlet. In the stage lamp having the metalens of the present utility model, due to arrangement of the optical nano material plane on the surface of the metalens, the weight and thickness of the metalens are greatly reduced; the metalens is applied to the stage lamp, thereby reducing distortion while enabling an imaging system of the stage lamp to be smaller.
F21S 8/00 - Dispositifs d'éclairage destinés à des installations fixes
F21V 5/04 - Réfracteurs pour sources lumineuses de forme lenticulaire
F21V 17/10 - Fixation des parties constitutives des dispositifs d'éclairage, p. ex. des abat-jour, des globes, des réfracteurs, des réflecteurs, des filtres, des écrans, des grilles ou des cages de protection caractérisée par des moyens de fixation spécifiques
F21W 131/105 - Éclairage de plein air ou d'extérieur des stades ou des espaces similaires
50.
STAGE LAMP HAVING MULTIPLE EFFECT MEMBERS DRIVEN BY SINGLE MOTOR
A stage lamp having multiple effect members driven by a single motor (180), comprising a light source (300) for generating a light path and an effect module (100) for intercepting the light path and enabling the light path to generate an effect. The effect module (100) comprises a first effect member (120), a second effect member (130), and a driving wheel (140) that are pivoted to the substrate (110); the end of the first effect member (120) close to the driving wheel (140) is provided with a first serrated end (121) at a first height (141); the end of the second effect member (130) close to the driving wheel (140) is provided with a second serrated end (131) at a second height (142); and in the thickness direction, the driving wheel (140) is provided with, at the position corresponding to the first serrated end (121) at the first height (141), at least one first meshing section (144) used for driving the first effect member (120) to move from an initial position to a working position, and is provided with, at the position corresponding to the second serrated end (131) at the second height (142), at least one second meshing section (145) used for driving the second effect member (130) to move from an initial position to a working position. The movement of the multiple effect members (120, 130, and 160) can be driven only by means of the single motor (180), and the driving structure of the effect module (100) is simplified.
A device for reducing jitter of light source in low brightness by a vibration suppression module includes an LED light source, an inductor L, a current control module, a switch K1, a signal control module, a current acquisition module, and the vibration suppression module. The present invention can eliminate a current ripple in a rising process of a current in the LED light source, as well as suppressing current oscillations generated when the current changes suddenly, the current on the LED light source thus can rise steadily, the LED light source can be steadily brightened in a brightness adjusting process of a dark part, and a phenomenon of light flicker and jitter caused by the current oscillation and the current ripple is avoided.
H05B 45/59 - Circuits pour faire fonctionner des diodes électroluminescentes [LED] réagissant aux dysfonctionnements des LED ou à un comportement indésirable des LEDCircuits pour faire fonctionner des diodes électroluminescentes [LED] sensibles à la vie des LEDCircuits de protection pour réduire ou supprimer les effets de scintillement ou de lueur
H05B 45/14 - Commande de l'intensité de la lumière à l'aide d'une rétroaction électrique provenant de LED ou de modules de LED
A stage lamp having a split-type light-mixing device, the stage lamp comprising a light source (200) for generating light, and a light-mixing device for reflecting the light multiple times, wherein the light-mixing device comprises a light guide body (110) with a gradually changing cross-sectional area, and a light-homogenizing sheet (120) for receiving light emitted from a light-emergent surface (111) of the light guide body (110); the light-homogenizing sheet (120) and the light guide body (110) are arranged independent of each other; and the cross-sectional area of the light-homogenizing sheet (120) is at least 1.1 times the cross-sectional area of the light-emergent surface (111). The stage lamp further comprises a fixing cylinder (130) used for clamping and fixing the light guide body (110), and a cover body (140) fastened and locked at the end of the fixing cylinder (130) that is away from the light source (200), wherein the cover body (140) tightly presses the light-homogenizing sheet (120) to make the light-homogenizing sheet (120) tightly attached to the light-emergent surface (111). The light-homogenizing sheet (120) and the light guide body (110), which are arranged independent of each other, may be processed separately, thereby simplifying processing steps; excessively high processing precision requirements are not required, thereby reducing the processing difficulty; moreover, light-homogenizing sheets (120) having different atomization degrees may be replaced according to design requirements, such that different atomization effects are achieved; and one lamp may achieve multiple light effects, such that the lamp is more universal, and the costs are further reduced.
A stage light with a defogging device includes a light head, in which a mounting plate for fixing a light source and a supporting plate for mounting optical lens are arranged. At a light outlet of the light head a light emitting lens is provided, a light source cavity is formed by the supporting plate, the mounting plate and a side wall of the light head. A blower is arranged in the light source cavity, which is configured to guide airflow into space between the supporting plate and the light emitting lens through an air guiding element. Hot airflow in the light source cavity is guided into the space between the supporting plate and the light emitting lens, so that the temperature of the space between the supporting plate and the light emitting lens is increased, thereby reducing a temperature difference in the light head to avoid water fog.
A stage light fixture with a split light mixing device includes a light source for generating a light beam and a light mixing device for reflecting the light. The light mixing device includes a light guide with a gradually changing cross-sectional area and a light beam homogenizer for receiving the light beam emitted from a light output surface of the light guide. The light beam homogenizer and the light guide are independent of each other, and the cross-sectional area of the light beam homogenizer is at least 1.1 times of the cross-sectional area of the light output surface. The stage light fixture further includes a holder for clamping and fixing the light guide, and a cover fastened to the end of the holder away from the light source. The cover is configured to press the light beam homogenizer tightly to closely attach to the light output surface.
F21V 8/00 - Utilisation de guides de lumière, p. ex. dispositifs à fibres optiques, dans les dispositifs ou systèmes d'éclairage
F21V 9/40 - Éléments modifiant les caractéristiques spectrales, la polarisation ou l’intensité de la lumière émise, p. ex. filtres avec des dispositions pour commander les propriétés spectrales, p. ex. la couleur, ou l’intensité
F21W 131/406 - Éclairage pour un usage industriel, commercial, récréatif ou militaire pour les théâtres, les scènes ou les studios cinématographiques
55.
Device and method for reducing jitter of light source under low brightness, and light fixture
A device for reducing jitter of a light source under low brightness is provided. A first end of the switch is for inputting a voltage, and a second end thereof is connected to one end of the inductor. The other end of the inductor is connected to the LED light source. The current control module is connected to the second end of the switch and the first end of the inductor, and a second end of the current control module is grounded. The current acquisition module is used for detecting a current and connected to the signal control module, and sends a current signal into the signal control module according to the current detected. The signal control module is connected to the switch and used for controlling the switch to be disconnected or connected according to the received current signal or a pre-set time threshold.
H05B 45/325 - Modulation de la largeur des impulsions [PWM]
H05B 45/10 - Commande de l'intensité de la lumière
H05B 45/36 - Circuits pour réduire ou supprimer les harmoniques, les ondulations ou les interférences électromagnétiques [EMI]
H05B 45/59 - Circuits pour faire fonctionner des diodes électroluminescentes [LED] réagissant aux dysfonctionnements des LED ou à un comportement indésirable des LEDCircuits pour faire fonctionner des diodes électroluminescentes [LED] sensibles à la vie des LEDCircuits de protection pour réduire ou supprimer les effets de scintillement ou de lueur
56.
APPARATUS AND METHOD FOR REDUCING JITTER IN LOW LIGHT OF LIGHT SOURCE, AND LAMP
in in , and a second end of the switch K1 is connected to a first end of the inductor L; a second end of the inductor L is connected to a positive electrode of the LED light source, and a negative electrode of the LED light source is grounded; a first end of the current control module (1) is connected to the second end of the switch K1 and the first end of the inductor L, and a second end of the current control module (1) is grounded; the current acquisition module (3) is used for measuring current in the apparatus, and is connected to the signal control module (2) to send a current signal to the signal control module (2) according to the measured current; the signal control module (2) is further connected to the switch K1 and is used for controlling, according to the received current signal or a preset time threshold, the switch K1 to be switched off or switched on.
H05B 45/00 - Circuits pour faire fonctionner des diodes électroluminescentes [LED]
H05B 45/325 - Modulation de la largeur des impulsions [PWM]
H05B 45/36 - Circuits pour réduire ou supprimer les harmoniques, les ondulations ou les interférences électromagnétiques [EMI]
H05B 45/59 - Circuits pour faire fonctionner des diodes électroluminescentes [LED] réagissant aux dysfonctionnements des LED ou à un comportement indésirable des LEDCircuits pour faire fonctionner des diodes électroluminescentes [LED] sensibles à la vie des LEDCircuits de protection pour réduire ou supprimer les effets de scintillement ou de lueur
57.
FLAT-TYPE EFFECT MODULE AND STAGE LIGHT FIXTURE WITH SAME
A flat-type effect module includes a first flat motor and an effect wheel assembly. The first flat motor has a first stator to generate a magnetic field when energized, and a first rotor arranged outside the first stator in a sleeving mode. The effect wheel assembly is fixed to the first rotor, and the effect wheel assembly includes a wheel body for generating a light effect which is provided with effect areas for intercepting a light beam to change the color and/or shape thereof. According to the present invention, no rotating shaft, such as the traditional rotating shaft motor has, exists on the first flat motor, the effect wheel assembly in the present invention is directly fixed to the first rotor, so that the height of the rotating shaft can be reduced and more effect elements can be arranged.
F21S 10/00 - Dispositifs ou systèmes d'éclairage produisant un effet d'éclairage variable
F21V 14/08 - Commande de la distribution de la lumière émise par réglage d’éléments constitutifs par un mouvement d'écrans
H02K 7/08 - Association structurelle avec des paliers
H02K 21/22 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants tournant autour des induits, p. ex. volants magnétiques
58.
Method and system for fixing initial brightness level of light fixture, and light fixture system
A method for fixing an initial brightness level of lights is provided. Gamma correction is performed on the light based on a dynamic Gamma curve. When a user adjusts brightness of the light based on the dynamic Gamma curve, a dynamic Gamma curve image is valid all the time when a set current brightness level n changes from 0 to N, and when x>0, the dynamic Gamma curve image is continuous, and accordingly, brightness of the light continuously changes gradually. Further, by calculating an initial brightness PWM critical duty ratio D of light sources, the dynamic Gamma curve is customized according to the light, so that an initial brightness level position of the light sources in the same model is fixed and unified.
A stage light with a lens buffering feature includes a light source emitting light along an optical path and a dimming lens provided on the optical path. The dimming lens is mounted on a mounting plate and moves freely along the optical path under the driving of a drive mechanism. A limit plate is provided on at least one side of the dimming lens along the direction of the optical path, and the limit plate is provided with a first buffering magnet thereon. The mounting plate is provided with a second buffering magnet corresponding to the first buffering magnet, and the polarities of the sides of the first buffering magnet and the second buffering magnet close to each other are the same. When the stage light is suddenly powered off or during transportation, the dimming lens or the mounting plate can avoid collision with other components.
A stage light having a large-angle rotation detection function, comprising a supporting member, a pivoting member pivotally connected to the supporting member, and a first rotating wheel (100) and a second rotating wheel (200) that are in mutual meshing transmission, the central line of the first rotating wheel (100) coinciding with the central line of rotation of the pivoting member. The first rotating wheel (100) is stationary, and the second rotating wheel (200) revolves around the first rotating wheel (100) along with the rotation of the pivoting member, or the first rotating wheel (100) synchronously rotates with the pivoting member, and the second rotating wheel (200) is fixed in position; and when the pivoting member rotates more than 360 degrees at a first limit position to reach a second limit position, the rotation angle of the second rotating wheel (200) is less than 360 degrees. The rotation exceeding 360 degrees of the pivoting member is converted into the rotation within 360 degrees of the second rotating wheel (200), the rotation angle of the second rotating wheel (200) is detected, and then a synchronous rotation angle of the pivoting member is calculated according to a transmission ratio of the second rotating wheel (200) to the first rotating wheel (100). The detection of a rotation angle exceeding 360 degrees can be implemented by using a common angular position detector (400), and thus the cost is effectively reduced.
G01B 7/30 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour tester l'alignement des axes
F21W 131/105 - Éclairage de plein air ou d'extérieur des stades ou des espaces similaires
F21W 131/406 - Éclairage pour un usage industriel, commercial, récréatif ou militaire pour les théâtres, les scènes ou les studios cinématographiques
61.
WATERPROOF SPLICED BASE AND STAGE LIGHT FIXTURE WITH SAME
A waterproof spliced base includes a top plate and a bottom plate oppositely arranged, and a plurality of side plates arranged around the periphery of the bottom plate and the top plate. The bottom plate, the top plate and the side plates are spliced together to form an accommodating cavity for accommodating electronic components. The top plate is provided with a pivoting hole for mounting a pivoting shaft of the stage light fixture. At least one sealing rubber strip for sealing the accommodating cavity are arranged between the side plates and the bottom plate as well as between the side plates and the top plate. Versatility of the components of the base in such configuration is much higher according to the present invention, and the base can be easily sealed with sealing rubber strips to ensure waterproof performance of the base.
A stage lamp having a splicing-type waterproof case, the stage lamp comprising a bottom case, a support arm, which is pivotally connected to the bottom case, and a lamp, which is pivotally connected to the support arm, wherein the lamp comprises a lamp housing, a light source, which is located in the lamp housing, and a light output lens, which is located at a light output port of the lamp housing; the bottom case comprises a top plate (110) and a bottom plate (120), which are arranged opposite each other, and a plurality of side plates, which are arranged around peripheral edges of the bottom plate (120) and the top plate (110); the bottom plate (120), the top plate (110) and the side plates together form an accommodation cavity, which is used for accommodating electronic components, and sealing rubber strips, which are used to seal the accommodation cavity, are provided between the side plates and the bottom plate (120) and between the side plates and the top plate (110). A housing of the case is formed by means of splicing the top plate (110), the bottom plate (120) and the plurality of side plates, such that assembly and disassembly are convenient, the manufacturing cost of plates is reduced, and when making a case of a different model, it is only necessary to replace elements having a changed dimension, while other elements use existing specifications, thereby achieving a higher universality of elements. In addition, the case is sealed by using the sealing rubber strips to ensure the waterproof performance of the case.
A stage lamp having a controllable color rendering index, and an adjustment method for a color rendering index of a stage lamp, wherein the stage lamp having a controllable color rendering index comprises a case, an arm pivotally connected to the case, a lamp holder pivotally connected to the arm, a light source (200) located in the lamp holder and used for generating a light beam, and a color rendering piece (110) located in the lamp holder and used for changing a color rendering index of the light beam. The color of the color rendering piece (110) changes gradually, and the color rendering piece (110) is driven by a driving mechanism (150) to freely cut in or out of the light beam, and stays at a specified position to intercept the light beam by using different regions. The color rendering piece (110) has a filtering function for adjusting the color rendering index of light. The color rendering piece (110) is disposed on a path of the light beam generated by the light source (200), and the driving mechanism (150) is utilized to control the color rendering piece (110) to cut in or out of the light beam. Due to the difference in the area of the color rendering piece (110) cutting in or out of the light beam, filtering effects of different degrees are generated, and a user can adjust, according to the requirements of a scene scenario, the area of the color rendering piece (110) cutting in or out of the light beam, to obtain a required light beam color rendering index.
F21S 10/02 - Dispositifs ou systèmes d'éclairage produisant un effet d'éclairage variable produisant des couleurs variables
F21V 9/08 - Éléments modifiant les caractéristiques spectrales, la polarisation ou l’intensité de la lumière émise, p. ex. filtres pour produire une lumière colorée, p. ex. monochromatiqueÉléments modifiant les caractéristiques spectrales, la polarisation ou l’intensité de la lumière émise, p. ex. filtres pour réduire l’intensité de la lumière
F21V 14/00 - Commande de la distribution de la lumière émise par réglage d’éléments constitutifs
F21W 131/105 - Éclairage de plein air ou d'extérieur des stades ou des espaces similaires
F21W 131/406 - Éclairage pour un usage industriel, commercial, récréatif ou militaire pour les théâtres, les scènes ou les studios cinématographiques
64.
SEAMLESSLY ASSEMBLED STRIP LAMP AND STRIP LAMP SYSTEM HAVING SAME
A seamlessly assembled strip lamp and a strip lamp system having same. The seamlessly assembled strip lamp comprises a lamp holder (100) having support arms (200), a lamp head (300) pivoted to the support arms (200), and an electric driving mechanism for driving the lamp head (300) to rotate around a pivot shaft, wherein side faces of the support arms (200) protrude from an end face of the lamp head (300), a plurality of lamp beads (310) are arranged on the lamp head (300) in the lengthwise direction of the pivot shaft, and the distance between the lamp beads (310) at end portions and the side faces of the support arms (200) is 0.25-0.75 times the distance between two adjacent lamp beads (310) in the lengthwise direction of the pivot shaft. In the seamlessly assembled strip lamp, the side faces of the support arms (200) protrude from the end face of the lamp head (300), such that during an installation process for connecting a plurality of strip lamps in an end-to-end manner, no matter how close two adjacent strip lamps are, only the side faces of the support arms (200) abut against each other at most, and the lamp heads (300) never come into contact with each other, and thus, it is guaranteed that the lamp heads (300) do not collide with each other during rotation, even if an installation error occurs or there is an error in the resetting of an electric driving mechanism.
An ultra-small filtering module and a stage lamp having same, the ultra-small filtering module comprising an optical filter (100) and a first guide rod (230), wherein one side edge of the optical filter (100) is connected to a first sliding block (200), and the first sliding block (200) is slidably arranged on the first guide rod (230); in the process of the optical filter (100) sliding along the first guide rod (230), all areas of the optical filter (100) that intercept a light path are used as an effective filtering region (110); and the position where the optical filter (100) is connected to the first sliding block (200) is a first mounting region (120), the first mounting region (120) being located outside the effective filtering region (110) and within an area defined by a tangent line of the effective filtering region (110) in the lengthwise direction of the first guide rod (230). Since a light source is approximately circular, one end of all the effective filtering regions (110) close to the first sliding block (200) is generally arc shaped, and the first mounting region (120) is arranged outside the effective filtering region (110) and within the area defined by the tangent line in the lengthwise direction of the first guide rod (230), such that the optical filter (100) does not need to extend and form a fixing portion, thereby reducing the width of the ultra-small filtering module in a direction perpendicular to the first guide rod (230).
F21S 8/00 - Dispositifs d'éclairage destinés à des installations fixes
F21V 9/00 - Éléments modifiant les caractéristiques spectrales, la polarisation ou l’intensité de la lumière émise, p. ex. filtres
F21V 17/10 - Fixation des parties constitutives des dispositifs d'éclairage, p. ex. des abat-jour, des globes, des réfracteurs, des réflecteurs, des filtres, des écrans, des grilles ou des cages de protection caractérisée par des moyens de fixation spécifiques
F21W 131/105 - Éclairage de plein air ou d'extérieur des stades ou des espaces similaires
F21W 131/406 - Éclairage pour un usage industriel, commercial, récréatif ou militaire pour les théâtres, les scènes ou les studios cinématographiques
66.
MULTI-SEAL CONNECTOR AND WATERPROOF CHASSIS HAVING SAME
Disclosed in the present utility model are a multi-seal connector and a waterproof chassis having same. The seal connector comprises a connector main body provided with through holes, first seal rings, second seal rings, first fixing sleeves, and cover plates; the connector main body comprises butting portions and first connecting portions which are connected to each other; the through holes pass through the abutting portions and the first connecting portions; each first fixing sleeve is provided with a wire passing hole; one end of each first fixing sleeve is connected to the first connecting portion; the first seal rings are disposed on the end surfaces of the ends of the first fixing sleeve close to the first connecting portions; the second seal rings are provided on the other ends of the first fixing sleeves; the second seal rings are clamped and fixed by means of the cover plates connected to the first fixing sleeves; the inner diameter of the second seal rings is smaller than or equal to the inner diameter of the ends of the wire passing holes close to the cover plates. The problems such as aging and damage of components in a chassis caused by water flows and mist in the environment infiltrating into the cavity of the chassis due to insufficient sealing performance between the seal connector and the chassis is effectively prevented, and the overall service life of a stage lamp is ensured.
A simple light-blocking and air-exhausting device includes a ventilation plate and a light-blocking plate arranged oppositely and spaced apart from each other. The ventilation plate is provided with an air vent formed by die-cutting the ventilation plate, and vertical projection of the light-blocking plate on the ventilation plate overlaps the air vent. The vertical projection of the light-blocking plate on the ventilation plate overlaps the air vents on the ventilation plate, so that the light-blocking plate can prevent light from leaking out of the air vents, while air flow can flow out from a gap between the light-blocking plate and the ventilation plate.
F21V 29/83 - Dispositions de refroidissement caractérisées par des éléments passifs de dissipation de chaleur, p. ex. puits thermiques les éléments comportant des ouvertures, des conduits ou des canaux, p. ex. des trous de rayonnement thermique
Disclosed are a flat effect module and a stage lamp having same. The flat effect module comprises a first flat motor and an effect disk assembly, the first flat motor comprises a first stator that is electrified to generate a magnetic field and a first rotor that is sleeved outside of the first stator, the effect disk assembly is fixed to the first rotor, the effect disk assembly comprises a disk body for generating a light effect, and the disk body has an effect region for intercepting a light beam and changing the color and/or shape thereof. By sleeving a first rotor outside of a first stator, more permanent magnets can be provided on the first rotor, and so even if the height of each permanent magnet is reduced, the power of a motor will not change, thereby achieving a reduction in the thickness of the motor; in addition, a first flat motor is not provided with a rotary shaft of a conventional rotary shaft type motor, instead same directly fixes an effect disc assembly to the first rotor, thus reducing the height of the rotary shaft, thereby enabling the height of the whole flat effect module to be reduced, and more effect elements can be provided.
H02K 1/22 - Parties tournantes du circuit magnétique
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
F21S 10/00 - Dispositifs ou systèmes d'éclairage produisant un effet d'éclairage variable
A low-noise reset control system for a lamp. The system comprises a support member, a pivoting member and a driver (200); the pivoting member comprises a light source, a limiting portion (510) is arranged on the pivoting member, and a blocking portion (520) matching the limiting portion to limit a rotation angle of the pivoting member is arranged on the support member; the system further comprises an angle detector used for sensing the rotation angle of the support member, and an angle indicator used for sending an indication signal when the pivoting member is located at a specific angle position; in a lamp reset process, when the pivoting member rotates forwards to the position where the limiting portion (510) is limited by the blocking portion (520), the driver (200) brakes immediately, the limiting portion (510) is prevented from repeatedly colliding with the blocking portion (520) and making noise, and after the pivoting member is driven to rotate reversely at a certain angle at a low speed, a transmission member is loosened and vibration of the pivoting member is completely eliminated, such that inaccurate positioning for searching for a relative initial position is avoided, and then the speed is increased to continuously drive the pivoting member reversely to rotate to search for the relative initial position.
A portable stage lamp waterproof case, comprising a rotating shaft (100) for controlling rotation of a stage lamp, a plastic waterproof case cover (200), a top plate (310), a bottom plate (400), and a lateral plate (320). The waterproof case cover (200) covers the bottom plate (400) to form a cavity. Both the top plate (310) and the lateral plate (320) are provided in the case cavity. The lateral plate (320) is connected to the top plate (310) and the bottom plate (400) to divide the case cavity into a first space and a second space. The top plate (310) is sealably fitted to the waterproof case cover (200). The waterproof case cover (200) is provided with a first connecting hole (220). The top plate (310) is provided with a second connecting hole (311) corresponding to the first connecting hole (220). One end of the rotating shaft (100) sequentially passes through the first connecting hole (220) and the second connecting hole (311) to be fixed onto a bearing seat (130) in the second space. The stage lamp case is small in size, low in cost, and light in weight.
Disclosed in the present invention is a light spot-based automatic addressing method for lamps and an addressing system. The light spot-based automatic addressing method for lamps comprises the following steps: S1, acquiring a light spot projection scene of lamps by using a camera device and displaying the light spot projection scene on a display device; S2, controlling, by using a console, the light spot state of a lamp at a certain physical address to change; and S3, according to the change of the light spot state in the light spot projection scene acquired by the camera device, the console associating the coordinates of the light spot in the display device with the physical address of the corresponding lamp and storing the association relationship. By analyzing the change of the light spot state in the display device, the console can automatically obtain the correspondence between the light spot at the coordinates of the display device and the physical address of the lamp, and thereafter, the light spot can be directly selected, and a light effect parameter can be input. According to the recorded association relationship between the coordinates of the light spot in the display device and the physical address of the corresponding lamp, the console controls the corresponding lamp to work, and thus the operation is very convenient.
Provided are a visual light adjustment method and system. The visual light adjustment method comprises: S1, acquiring a light spot projection scene of a lamp by using a photographing apparatus, and displaying same in real time by means of a display apparatus; S2, selecting the coordinates of a certain light spot on the display apparatus by means of an input apparatus, and inputting a required light effect; and S3, a console controlling, according to the selection of the input apparatus and an association relationship between the coordinates of a light spot and a physical address of a lamp, a lamp of a corresponding physical address to generate a corresponding light effect. When an operator selects the coordinates of a certain light spot in a display apparatus by means of an input apparatus, the coordinates are automatically associated with a lamp of a corresponding physical address by means of an association relationship between the coordinates of a light spot in a console and a physical address of a lamp, light effect data input by the input apparatus is sent to the lamp of the physical address, and therefore, the lamp is controlled to generate a corresponding light effect. The installation positions and corresponding physical addresses of lamps do not need to be memorized, and the operation is simple and easy.
A stage lamp with high-precision rotary positioning. The stage lamp comprises a pivoting member and a support member, wherein the pivoting member is pivoted to the support member and comprises at least one light source (110) used for generating a lighting effect, the pivoting member is driven by a pancake motor to rotate, the pancake motor comprises a stator (400) to be energized to generate a magnetic field, and a rotor (500) sleeving on the stator and driven by the magnetic field, the pivoting member is fixedly connected to the rotor (500), the support member is fixedly connected to the stator (400), or the pivoting member is fixedly connected to the stator (400), and the support member is fixedly connected to the rotor (500). As the rotor (500) sleeves on the stator (400), the end face area is larger than that of a rotating shaft of a traditional rotating shaft motor, and the rotor cannot shake randomly. A transmission assembly is omitted, such that transmission errors are prevented, and positioning is more accurate. In addition, the stator (400) or the rotor (500) is directly connected to the pivoting member and can be used as a pivoting shaft, and no extra space is needed for mounting an electric motor. In addition, compared with a traditional rotating shaft motor, the height of the electric motor can be reduced since the rotating shaft is omitted.
A low-noise reset control system of a light fixture includes a supporting member, a pivoting member and a driver. A limiting portion is arranged on the pivoting member, A blocking portion for limiting a rotation angle of the pivoting member is arranged on the supporting member. The system further includes an angle detector for sensing rotation angle of the pivoting member and an angle indicator for sending out indication signal when the pivoting member is at a specific angular position. In a reset process, when the pivoting member rotates in a forward direction until the limiting portion is blocked by the blocking portion, the driver brakes immediately and drives the pivoting member to rotate by a certain angle in a reverse direction at low speed, then to increase speed and continue to drive the pivoting member to rotate in the reverse direction to look for a relative initial position.
A stage light fixture with high-accuracy rotary positioning includes a supporting member and a pivoting member pivoted to the supporting member. The pivoting member has at least one light source for generating a lighting effect and is driven to rotate by at least one flat motor. The flat motor includes a stator generating a magnetic field by energization, and a rotor sleeve on the stator and driven by the magnetic field. The pivoting member is fixedly connected with the rotor, and the supporting member is fixedly connected with the stator; or the pivoting member is fixedly connected with the stator, and the supporting member is fixedly connected with the rotor. With respect to the conventional rotating shaft motor, no transmission assembly is provided, a transmission error thus can be avoided to achieve more accurate positioning, and a height of the motor can further be reduced.
F21V 21/15 - Montages réglables spécialement adaptés pour un actionnement par moteur, p. ex. par commande à distance
H02K 7/08 - Association structurelle avec des paliers
H02K 21/22 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants tournant autour des induits, p. ex. volants magnétiques
F21W 131/406 - Éclairage pour un usage industriel, commercial, récréatif ou militaire pour les théâtres, les scènes ou les studios cinématographiques
Disclosed is a visualized light adjustment method and system. The method includes the steps of: S1. acquiring a light spot projection scenario of lights using an imaging device, and displaying the light spot projection scenario in real time by a display device; S2. selecting coordinates of a light spot on the display device using an input device, and inputting a desired light effect; and S3. controlling, by a console, the light corresponding to a physical address to generate a corresponding light effect, based on the selection by the input device and an association relationship between the coordinates of the light spot and a physical address of the light.
A stage light fixture capable of avoiding lighting in power off includes a light head, a brake motor, an auxiliary power supply, and a controller. The controller is configured to control the brake motor to drive the light head to move to a light-avoiding angle at which strong lighting cannot directly shining into a lighting outlet of the light head and perform power-off processing on the brake motor when the brake motor is switched to be powered by the auxiliary power supply. When the stage light fixture is suddenly powered off, the auxiliary power supply will supply power to the brake motor, and the controller enables a motor unit of the brake motor to drive the light head to move to the light-avoiding angle so as to avoid heat damage to the components inside the light head due to strong lighting irradiation.
A stage lamp having an automatic light avoidance function upon power-off, comprising a lamp holder (110), a braking motor (200), and an auxiliary power supply (400). The stage lamp further comprises a controller (300). When the braking motor (200) is switched to the auxiliary power supply (400), the controller controls the braking motor (200) to drive the lamp holder (110) to move to a light avoidance angle in which strong light cannot directly enter a light exit port of the lamp holder (110), and then the controller cuts off the power of the braking motor (200). The braking motor (200) comprises a motor unit (210) used to drive the lamp holder and a braking unit (220) used to brake the motor unit (210) after the power is cut off. When the power of the stage lamp is suddenly cut off, the auxiliary power supply (400) supplies power to the braking motor (200), and the controller (300) enables the motor unit (210) of the braking motor (200) to drive the lamp holder to move to the light avoidance angle, so as to prevent components inside the lamp holder (110) from being heated and damaged due to strong light exposure. Then, the controller (300) cuts off the power of the braking unit (220) of the braking motor (200), so as to brake the motor unit (210) and to maintain the lamp holder (110) at the light avoidance angle without the auxiliary power supply (400) needing to continuously supply power to the braking motor (200), thereby reducing the power requirement on the auxiliary power supply (400).
ttttiiiiii of the corrected color in step S3. When light sources in different types of lamps use the same color control system, the same target color parameter is input; and the color control system can correct the characteristic with regard to each light source, so as to avoid the differences between the light sources and realize color synchronization between multi-color lamps, thus outputting light of a unified corrected color.
An effect device easy to mount includes an annular frame, effect sheets and fixing assemblies for pivoting the effect sheets in the annular frame. The fixing assembly has a first insertion pin and a second insertion pin respectively mounted at two ends of the effect sheets and used for pivoting. The first insertion pin is sleeved with an elastic element and an end portion of the first insertion pin penetrates through a mounting hole in the annular frame. A first protruding portion protrudes out of an end, close to the effect sheets, of the first insertion pin. One end of the elastic element abuts against the first protruding portion, and the other end of the elastic element abuts against an inner side wall of the annular frame. The second insertion pin is fixed in a pivoting mode.
F21V 14/00 - Commande de la distribution de la lumière émise par réglage d’éléments constitutifs
F21V 17/02 - Fixation des parties constitutives des dispositifs d'éclairage, p. ex. des abat-jour, des globes, des réfracteurs, des réflecteurs, des filtres, des écrans, des grilles ou des cages de protection avec possibilité de réglage
F21W 131/406 - Éclairage pour un usage industriel, commercial, récréatif ou militaire pour les théâtres, les scènes ou les studios cinématographiques
82.
METHOD AND SYSTEM FOR DYNAMICALLY ADJUSTING PWM SIGNAL, AND SYSTEM FOR DYNAMICALLY CONTROLLING HIGH-POWER LAMP
Provided are a method and system for dynamically adjusting a pulse-width modulation (PWM) signal, and a system for dynamically controlling a high-power lamp, the method steps comprising: presetting a standard signal period and a standard duty cycle of an effective pulse; receiving and comparing a target duty cycle entered by a user with the standard duty cycle; if the target duty cycle is less than the standard duty cycle, then keeping the duration of the effective pulse constant, and adjusting the signal period duration relative to the standard signal period so that the duty cycle reaches the target duty cycle, and generating a corrected PWM signal according to the adjusted signal period duration and the target duty cycle; if the target duty cycle is greater than the standard duty cycle, then keeping the duration of the standard signal period constant, adjusting the effective-pulse duration so that the duty cycle reaches the target duty cycle, and generating a corrected PWM signal according to the standard signal period duration and the target duty cycle; if the target duty cycle is equal to the standard duty cycle, then generating a corrected PWM signal according to the standard duty cycle and the standard signal period duration; preventing the problems of flickering when a camera is photographing, or non-smooth dimming, when the duty cycle is adjusted.
A light effect adjusting system, comprising a light source module (100), and a focusing module (200), an amplifying module (300), and a light emitting lens (400) which are sequentially provided in a light beam projection direction of the light source module (100). The focusing module (200), the amplifying module (300), and the light emitting lens (400) are mounted on a stage lamp support, and the focusing module (200) and the amplifying module (300) can slide independently in the direction of a light path; an effect module (500) is further provided between the focusing module (200) and the light emitting lens (400) in a sliding manner; the effect module (500) comprises one or more effect pieces (530) capable of entering or leaving the light path, and movement of the effect module (500) and movement of the amplifying module (300) are independent of each other and do not affect each other. The effect module (500) capable of sliding independently is independently provided, so that the effect module (500) can avoid the amplifying module (300), the problems of limitation of the amplifying module (300) on entering of the effect pieces (530) and limitation of entering of the effect pieces (530) on lamp angle adjustment are solved, the entering of the effect pieces such as prisms and atomization pieces can be performed on the stage lamp in all angles, so that the stage lamp can present richer stage effects.
F21S 8/00 - Dispositifs d'éclairage destinés à des installations fixes
F21V 14/06 - Commande de la distribution de la lumière émise par réglage d’éléments constitutifs par un mouvement de réfracteurs
F21V 17/02 - Fixation des parties constitutives des dispositifs d'éclairage, p. ex. des abat-jour, des globes, des réfracteurs, des réflecteurs, des filtres, des écrans, des grilles ou des cages de protection avec possibilité de réglage
F21W 131/406 - Éclairage pour un usage industriel, commercial, récréatif ou militaire pour les théâtres, les scènes ou les studios cinématographiques
84.
Stage light with capacitive rotation angle detection
A capacitance type rotation angle detection stage light includes a pivoting member and a supporting member for supporting the pivoting member. A reflecting grating is attached on the pivoting member, and the reflecting grating rotates along with the pivoting member. A signal grating is attached on the supporting member. The signal grating and the reflecting grating are arranged oppositely. The signal grating comprises capacitance emitting pieces, a capacitance receiving piece and shielding pieces. The reflecting grating comprises capacitance reflecting pieces that reflect signals sent from the capacitance emitting pieces to the capacitance receiving piece. Periodic excitation signals applied to the capacitance emitting pieces finally form a composite signal on the capacitance receiving piece through coupling of two pairs of capacitors that the capacitance emitting pieces and the capacitance reflecting pieces, and the capacitance reflecting pieces and the capacitance receiving piece.
F21S 10/06 - Dispositifs ou systèmes d'éclairage produisant un effet d'éclairage variable produisant un clignotement, p. ex. par un réflecteur ou une source lumineuse rotatifs
F21S 8/00 - Dispositifs d'éclairage destinés à des installations fixes
F21V 14/02 - Commande de la distribution de la lumière émise par réglage d’éléments constitutifs par un mouvement de sources lumineuses
F21V 23/06 - Agencement des éléments du circuit électrique dans ou sur les dispositifs d’éclairage les éléments étant des dispositifs de couplage
G01B 7/30 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour tester l'alignement des axes
G01D 5/241 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier la capacité par mouvement relatif d'électrodes de condensateur
F21W 131/406 - Éclairage pour un usage industriel, commercial, récréatif ou militaire pour les théâtres, les scènes ou les studios cinématographiques
A capacitive rotation angle detection stage lamp, comprising a pivoting member and a supporting member used for pivotally supporting the pivoting member. A reflecting grating (400) is attached to the pivoting member, the reflecting grating (400) rotates along with the pivoting member, a signal grating (300) is attached to the supporting member, and the signal grating (300) and the reflecting grating (400) are provided opposite to each other. The signal grating (300) comprises capacitive transmitting sheets (320), a capacitive receiving sheet (340), and a shielding sheet (350). The reflecting grating (400) comprises capacitive reflecting sheets (410) for reflecting signals transmitted by the capacitive transmitting sheets (320) to the capacitive receiving sheet (340). Periodic excitation signals applied to the capacitive transmitting sheets (320) are coupled by means of two pairs of capacitors, i.e., the capacitive transmitting sheets (320) of the signal grating (300) and the capacitive reflecting sheets (410) of the reflecting grating (400), and the capacitive reflecting sheets (410) of the reflecting grating (400) and the capacitive receiving sheet (340) of the signal grating (300), and finally composite signals are formed on the capacitive receiving sheet (340) of the signal grating (300). By utilizing the principle of changing in capacitance, the advantages of oil stain resistance, dust prevention, insensitivity to air humidity and temperature are achieved after proper protection; moreover, the rotation angle of the pivoting member is directly measured, so that a deviation in a transmission process does not influence the measurement of an actual result.
F21S 8/00 - Dispositifs d'éclairage destinés à des installations fixes
F21V 23/00 - Agencement des éléments du circuit électrique dans ou sur les dispositifs d’éclairage
G01B 7/30 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour tester l'alignement des axes
G01D 5/241 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier la capacité par mouvement relatif d'électrodes de condensateur
F21W 131/406 - Éclairage pour un usage industriel, commercial, récréatif ou militaire pour les théâtres, les scènes ou les studios cinématographiques
86.
LIGHT BEAM CUTTING DEVICE CAPABLE OF PRECISELY PERFORMING POSITIONING AND STAGE LAMP COMPRISING SAME
A light beam cutting device capable of precisely performing positioning. The light beam cutting device capable of precisely performing positioning comprises a base plate (100), a plurality of cutting blades (200) mounted on the base plate (100), and a driving mechanism driving the cutting blades (200) to move. A first light through hole (110) for a light beam to pass through is provided in the base plate (100), the plurality of cutting blades (200) are arranged around the first light through hole (110), the driving mechanism drives the cutting blades (200) to reciprocate between shielding and opening the first light through hole (110), each of the cutting blades (200) is provided with at least two driving mechanisms, each driving mechanism comprises a driving gear (320) and a driving plate (330), the driving plate (330) is hinged to the cutting blade (200), and the driving plate (330) is provided with a rack (331) meshing with the driving gear (320). According to the light beam cutting device, the driving mechanism with the driving gear (320) and the rack (331) in transmission is used to drive the cutting blades (200), the position of the cutting blade (200) in a cutting process can be precisely controlled, the cutting precision of the cutting blade (200) in the cutting process is effectively improved, and the consistency and accuracy of cutting patterns are ensured. Further disclosed is a stage lamp.
F21S 10/00 - Dispositifs ou systèmes d'éclairage produisant un effet d'éclairage variable
F21V 14/08 - Commande de la distribution de la lumière émise par réglage d’éléments constitutifs par un mouvement d'écrans
F21V 11/18 - Écrans non couverts par les groupes , , ou utilisant des feuilles sans ouvertures, p. ex. fixes mobiles, p. ex. abattants, plaques coulissantes
F21V 19/02 - Montage des sources lumineuses ou des supports de sources lumineuses sur ou dans les dispositifs d'éclairage avec possibilité de réglage, p. ex. pour la mise au point
F21V 23/00 - Agencement des éléments du circuit électrique dans ou sur les dispositifs d’éclairage
87.
Special-shaped display screen, special-shaped pixel light, and control method thereof
A special-shaped display screen includes a carrier, and a plurality of pixel point light sources. The plurality of pixel point light sources are provided on the carrier, each of the pixel point light sources is controllable independently, and at least a portion of the pixel point light sources are arranged in a non-matrix array. A special-shaped pixel light includes a special-shaped display screen, a storage unit, and a main control unit. A control method of a special-shaped pixel light includes the following steps: S1, the main control unit establishing a mapping rule according to orientation characteristics of the pixel point light sources; S2, storing the mapping rule into the storage unit; and S3, receiving a control signal and invoking relevant data in the storage unit to scan the pixel point light sources according to the mapping rule.
G09G 3/14 - Dispositions ou circuits de commande présentant un intérêt uniquement pour l'affichage utilisant des moyens de visualisation autres que les tubes à rayons cathodiques pour la présentation d'un seul caractère, soit en sélectionnant un seul caractère parmi plusieurs, soit en composant le caractère par combinaison d'éléments individuels, p. ex. de segments élémentaires utilisant des sources lumineuses commandées utilisant des éléments électroluminescents des dispositifs à semi-conducteurs, p. ex. des dispositifs à diodes
A63J 5/02 - Dispositions pour effets scéniquesAccessoires de mise en scène
88.
AUTOMATIC CONTROL SYSTEM FOR FOLLOW SPOTLIGHT, AND AUTOMATIC CONTROL METHOD FOR FOLLOW SPOTLIGHT
An automatic control system for a follow spotlight, and an automatic control method for a follow spotlight. The automatic control system for a follow spotlight comprises a label (1), a base station (2), a master controller (3) and an auxiliary controller (4). The label (1) is bound with a target and sends a target position signal; the base station (2) is in communication connection with the label (1) and receives the target position signal; the master controller (3) comprises an angle conversion module (31), a protocol conversion module (32) and a data filtering module (33), wherein the angle conversion module (31) is in communication connection with the base station (2) so as to convert the target position signal into a first light angle control signal; and the auxiliary controller (4) comprises an effect control module, wherein the effect control module sends a light effect control signal and a second light angle control signal. According to the automatic control system for a follow spotlight, light can be automatically focused on a target according to the position of the target without human intervention; moreover, the light effect can be adjusted as required, so that automatic control over light is realized, and the applicability of the system is good.
A uniquely shaped display screen, a uniquely shaped pixel light, and a control method for a uniquely shaped pixel light. The uniquely shaped display screen comprises: a carrier (1); and a plurality of pixel point light sources (2), the plurality of pixel point light sources (2) being arranged on the carrier (1), every pixel point light source (2) able to be individually controlled, and at least a portion of the pixel point light sources (2) are in a non matrix-type array arrangement. The uniquely shaped pixel light comprises: a uniquely shaped display screen; a storage unit; and a main control unit. The control method for the uniquely shaped pixel light comprises: S1, the main control unit establishes a mapping rule according to an directional feature of the pixel point light sources (2); S2, storing the mapping rule into the storage unit; S3, receiving a control signal and using relevant data in the storage unit to scan the pixel point light sources (2) according to the mapping rule. The present invention diversifies the field of display screens, overcomes a limitation for stage visual effects, and represents a uniquely shaped subject to good effect.
G09F 9/33 - Dispositifs d'affichage d'information variable, dans lesquels l'information est formée sur un support, par sélection ou combinaison d'éléments individuels dans lesquels le ou les caractères désirés sont formés par une combinaison d'éléments individuels à semi-conducteurs, p. ex. à diodes
F21V 19/00 - Montage des sources lumineuses ou des supports de sources lumineuses sur ou dans les dispositifs d'éclairage
90.
Automatic control system and control method for follow spot light
An automatic control system includes a tag, a base station, a main controller, and an auxiliary controller. The tag is bound to a target and transmits a target position signal. The base station is in communication connection with the tag and receives the target position signal. The main controller includes an angle conversion module, a protocol conversion module, and a data filtering module, in which the angle conversion module is in communication connection with the base station to convert the target position signal into a first light angle control signal. The auxiliary controller includes an effect control module that transmits the light effect control signal and a second light angle control signal.
H05B 47/115 - Commande de la source lumineuse en réponse à des paramètres détectés en détectant la présence ou le mouvement d'objets ou d'êtres vivants
Disclosed is an illumination lamp with abundant and attractive lighting effects for use in a stage lamp. The illumination lamp comprises a case and a lamp holder pivoted to the case, wherein the lamp holder can rotate at least at two latitudes relative to the case; a light source assembly (51) and a prism group are provided inside the lamp holder; the prism group comprises several beam splitter prisms (11, 12, 13, 14); and the beam splitter prisms (11, 12, 13, 14) are located in a light path, the beam splitter prisms (11, 12, 13, 14) are staggered in the direction of the light path, and at least some of the beam splitter prisms (11, 12, 13, 14) can rotate independently or in a linkage manner around respective center lines thereof. The light source assembly (51) is used to generate a light beam, several beam splitter prisms (11, 12, 13, 14) are provided in the direction of the light path and in staggered positions, and the beam splitter prisms (11, 12, 13, 14) are not completely overlapped in the direction of the light path and can be partially staggered or completely staggered. Therefore, under a refraction action of the beam splitter prisms (11, 12, 13, 14) on light, light spots formed by the plurality of beam splitter prisms (11, 12, 13, 14) are overlapped with each other to present various stage lighting effects, and when the beam splitter prisms (11, 12, 13, 14) rotate, the correspondingly generated light spots also rotate, so as to present more abundant and attractive lighting effects.
A low-noise lamp reset structure and a control method therefor. The low-noise lamp reset structure comprises a pivot shaft (200) and a pivot member (100) in pivot connection with the pivot shaft (200), the pivot shaft (200) being fixedly connected to a drive wheel (210) and being sheathed by a driving lever (300). A first detection marker (310) is provided on the driving lever (300), and a first detector (110), which detects the first detection marker (310), is provided on the pivot member (100). A first limiting post (220) for limiting the driving lever (300) is further provided on the drive wheel (210), and an elastic member (130) for abutting against the driving lever (300) and a second limiting post (120) for limiting the driving lever (300) are further provided on the pivot member (100); the second limiting post (120) and the elastic member (130) do not interfere with the first limiting post (220) during the process of the pivot member (100) moving relative to the pivot shaft (200). During the reset process, since it is not necessary for the second limiting post (120) to contact the driving lever (300) against which the first limiting post (220) abuts, the pivot member (100) will not rebound under the action of a reaction force, which prevents noise emitted by multiple collisions, thereby making the reset process quieter.
A stage lamp having a light shading device, comprising a lamp holder. The lamp holder comprises a light source, the light shading device, and a light emitting lens. The light shading device is mounted between the light source and the light emitting lens. The light shading device comprises a foldable light shading curtain (100) and a driving mechanism (200) for driving the light shading curtain (100) to be unfolded or folded. The light shading curtain (100) is provided with a plurality of folding surfaces (120) which are connected in sequence. When the light shading curtain (100) is in a folded state, every two adjacent folding surfaces (120) are overlapped with each other. According to the light shading device, by controlling the light shading curtain (100) to be unfolded when the stage lamp is in a standby state or a non-working state, sunlight or strong light entering the lamp through the light emitting lens can be shaded, and therefore the light source of the stage lamp is protected. When the stage lamp is used, the light shading device controls the light shading curtain (100) to be folded. The occupied space of the light shading device is saved, and the stage lamp is simple in structure and convenient to operate.
The present utility model relates to the technical field of LED lighting and specifically relates to an LED dimming device used for speeding up constant-current source inductive energy discharge, comprising a constant-current source circuit and an LED dimming circuit sequentially connected in series, the LED dimming circuit comprising an LED and a first electronic switch, a positive electrode of the LED being connected to an output end of the constant-current source circuit, the first electronic switch being connected in parallel between either end of the LED, also comprising an energy fast discharging circuit and a first control circuit, the energy fast discharging circuit being connected in series to the first electronic switch and being used for speeding up the discharging of excess energy in the constant-current source circuit, and the first control circuit being connected to the first electronic switch and being used for controlling the turning on or turning off of a second electronic switch. The present utility model solves the problem of unsmooth LED dimming.
Disclosed is a stage lamp with an additional visual effect. The stage lamp comprises a main light source (400) and a lamp cylinder (300), wherein the main light source (400) is located at a bottom end of the lamp cylinder (300). The stage lamp further comprises an effect light source (200) and a light transmitting plate (100) that are located at a light exit port of the lamp cylinder (300). The effect light source (200) and the main light source (400) are independently controlled; the light transmitting plate (100) is provided with a first surface and a second surface, and a first side (110) and a second side (120) that are respectively connected to the first surface and the second surface; at least some of the light emitted by the effect light source (200) enters from the first side (110) and emerges from the second side (120); and the light emitted by the effect light source (200) emerges from the second side (120), such that the second side (120) is illuminated, the stage lamp is decorated, and the stage lamp is more attractive compared to the lighting effect that can only be displayed by means of projection at a target position. The effect light source (200) is used alone to render the light transmitting plate (100). When the main light source is turned off, the effect light source (200) can be turned on alone, the second side (120) of the light transmitting plate (100) is illuminated, the effect is more obvious, and the decorative effect of the stage lamp is improved.
An easy-to-install effect device, comprising an annular frame (100), an effect piece (200), and a fixing assembly (300) used for pivoting the effect piece (200) in the annular frame (100). The fixing assembly (300) comprises a first inserting shaft (310) and a second inserting shaft (320) which are installed at two ends of the effect piece (200) respectively and used for pivot joint. An elastic element (400) is sleeved on the first inserting shaft (310), and the end of the first inserting shaft (310) penetrates through a mounting hole (110) in the annular frame (100). A first protruding part (311) protrudes out of the end of the first inserting shaft (310) close to the effect piece (200). One end of the elastic element (400) abuts against the first protruding part (311), and the other end abuts against the inner sidewall of the annular frame (100). The second inserting shaft (320) is pivoted and fixed. In the process of replacing the dismounting effect piece (200), by means of the tension of an elastic element (400) sleeved on the first inserting shaft (310), the disassembling and assembling space of the second inserting shaft (320) can be vacated only by compressing the elastic element (400), and therefore the effect piece (200) can be disassembled and assembled easily, conveniently and rapidly, the disassembling and assembling time of the effect piece (200) is greatly shortened, the disassembling and assembling steps are simple, damages to the effect piece (200) caused in the disassembling and assembling process are reduced, and the production and maintenance cost is lower.
F21S 10/00 - Dispositifs ou systèmes d'éclairage produisant un effet d'éclairage variable
F21V 17/16 - Fixation des parties constitutives des dispositifs d'éclairage, p. ex. des abat-jour, des globes, des réfracteurs, des réflecteurs, des filtres, des écrans, des grilles ou des cages de protection caractérisée par des moyens de fixation spécifiques par déformation de parties du dispositif d'éclairageMontage du type à action rapide
F21W 131/105 - Éclairage de plein air ou d'extérieur des stades ou des espaces similaires
F21W 131/406 - Éclairage pour un usage industriel, commercial, récréatif ou militaire pour les théâtres, les scènes ou les studios cinématographiques
Disclosed is a dustproof and anti-fogging stage lamp, comprising a lamp holder (100), wherein a light source (200) and a light emitting lens (300) are respectively arranged at two ends of the lamp holder (100); a hydrophilic coating is arranged on a side of the light emitting lens (300) close to the light source (200); and an anti-static coating is provided on a side of the light emitting lens (300) away from the light source (200). According to the dustproof and anti-fogging stage lamp, water vapor in the lamp holder (100) tends to be condensed on an inner side of the light emitting lens (300), such that the hydrophilic coating is provided on the side of the light emitting lens (300) close to the light source (200), the height of water drops condensed on the inner side of the light emitting lens (300) is reduced by utilizing the hydrophilic property of the hydrophilic coating, and unnecessary light scattering caused by refraction of the water drops is reduced; and charged dust or charged liquid drops are generally located in the external environment and tend to be attached on an outer side of the light emitting lens (300) with accumulated static electricity, such that the side of the light emitting lens (300) far away from the light source (200) is provided with the anti-static coating to reduce the accumulation of static electricity on a surface of the light emitting lens (300), thereby preventing of the attachment of the charged dust or charged liquid drops and preventing light blocking or light refraction.
F21S 8/00 - Dispositifs d'éclairage destinés à des installations fixes
F21V 5/04 - Réfracteurs pour sources lumineuses de forme lenticulaire
G02B 1/18 - Revêtements pour garder des surfaces optiques propres, p. ex. films hydrophobes ou photocatalytiques
G02B 1/16 - Revêtements optiques obtenus par application sur les éléments optiques ou par traitement de la surface de ceux-ci ayant un effet antistatique, p. ex. revêtements conducteurs électriques
F21V 31/00 - Dispositions d'étanchéité à l'eau ou aux gaz
The combined effect wheel device includes an effect wheel, a first driving unit configured to drive the effect wheel to rotate, and a second driving unit configured to drive the effect wheel to shift. The effect wheel includes a multiple of light transmission rings surrounding a disk body center of the effect wheel, each of the light transmission rings has an effect zone for generating light effects, and at least two light transmission rings are provided with light through holes that allow beams to pass though freely. The light through hole closest to a light path can be switched to the light path by the first driving unit and the second driving unit, thereby greatly reducing the switching time and switching the beam effect of stage lights more coherently.
The present utility model discloses a composite effect disc device and a stage lamp having same. The composite effect disc device comprises an effect disc, a first driving unit for driving the effect disc to rotate, and a second driving unit for driving the effect disc to shift, the effect disc comprises a plurality of circles of light-transmitting rings surrounding the center of a disc body of the effect disc, each of the light-transmitting rings has an effect band for generating a light effect, and at least two of the light-transmitting rings are provided with light through holes allowing light beams to pass through freely. The at least two of the light-transmitting rings are provided with the light through holes; when an intersection part of the effect disc and an optical path needs to be switched from the effect band to the light through holes, under driving of the first driving unit and the second driving unit, the effect disc can select to switch, to the optical path, the light through hole closest to the optical path, so that the switching time is greatly reduced, enabling the light beam effect of the stage lamp to be smoothly switched.
Disclosed is a stage lamp using gears to drive a lamp head to rotate. The stage lamp comprises a lamp head (100) and a driving mechanism (400) for driving the lamp head (100) to rotate. A transmission gear set for meshing transmission is arranged between a driving shaft (410) of the driving mechanism (400) and a pivot shaft (110) of the lamp head (100), the transmission gear set comprises a first gear (200) and a second gear (300), the first gear (200) comprises a first wheel disc (210) and a second wheel disc (220), and gear teeth of the first wheel disc (210) and gear teeth of the second wheel disc (220) are staggered with each other, and mesh with the same second gear (300). Transmission is carried out by means of the transmission gear set, such that the problem of a synchronous belt being deformed and thus causing inaccurate scanning positioning or breakage does not occur; and according to needs, the first wheel disc (210) or the second wheel disc (220) is rotated, so that the gear teeth of the first wheel disc (210) and the gear teeth of the second wheel disc (220) are staggered with each other until being locked when the meshing precision of the first gear (200) and the second gear (300) reaches an optimal state, such that precision transmission of the transmission gear set is realized, and when the driving mechanism (400) drives the lamp head (100) to rotate, the rotation angle of the lamp head (100) is controlled more accurately.
