Abstract

A fan blade installation mechanism includes a slot and an elastic member. The elastic member is fixedly connected to a groove above the slot. The elastic member is elastically moved between the slot and the groove for a blade to be inserted into the slot. A blade hole of the blade is guided and secured by bevels of a protrusion of an elastic portion in the slot and the elastic member. The elastic member has an operation portion. The fan blade installation mechanism has the advantages of rapid installation and removal of blades, stability without wobbling, ease of assembly, high assembly safety, and reducing the tolerance and gap between the blade and the fan blade installation mechanism in the manufacturing process.

IPC Classes  ?

• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/34 - Blade mountings

Abstract

A double-layer blade ceiling fan capable of adjusting the arrangement of blades includes a motor and at least two blades. The motor has a stationary part and two rotating parts. The rotating parts are spaced apart from the stationary part. The rotating parts each have a plurality of mounting portions that are arranged around a central axis of the motor. The stationary part has an upper connecting portion and a lower connecting portion. The mounting portion is configured for connection of one of the blades. At least one of the blades is fixed to each of the rotating parts. The blades mounted to the rotating parts are selectively arranged in a same or different pattern for regulating air flow. When the blades and the rotating parts are rotated, the upper connecting portion and the lower connecting portion are not affected.

IPC Classes  ?

• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 25/16 - Combinations of two or more pumps
• F04D 29/36 - Blade mountings adjustable

Abstract

A motor and blade mounting structure of a ceiling fan, the ceiling fan has a motor, at least one bracket, and at least one blade. The at least one bracket has at least one mounting portion. The mounting portion of the at least one bracket is configured for mounting the at least one blade. The motor has a rotor. The rotor of the motor is fixedly connected to the at least one bracket. The motor and blade mounting structure enhances assembly convenience, safety, structural support and durability.

IPC Classes  ?

• F04D 29/34 - Blade mountings
• F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation

Abstract

A fan blade installation structure of a ceiling fan, the ceiling fan has at least one fan blade, at least one socket, and at least one elastic member. The elastic member is fixed to a periphery of the socket. The elastic member has an open end provided with a holding portion corresponding to a blade hole of the fan blade. The holding portion is elastically moved in and out of the socket. The holding portion has a guide surface for guiding the fan blade. The open end of the elastic member further has an operating portion outside the socket for a user to move the elastic member. The fan blade installation structure has the effects of installing and removing the fan blade quickly, easy assembly, and good assembly safety.

IPC Classes  ?

• F04D 29/34 - Blade mountings
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/38 - Blades

Abstract

An outdoor ceiling fan includes a ceiling fan body, a lower tube fixedly connected to the ceiling fan body, and an upper tube insertedly connected to the lower tube. The upper tube is telescopic and adjustable relative to the lower tube through an adjustment seat. A hanger is fixedly connected to the upper tube. The hanger covers the top of the upper tube. A waterproof gasket is provided between the housing of the ceiling fan body and the lower tube. A waterproof ferrule is provided among the upper tube, the adjustment seat and the lower tube. The outdoor ceiling fan has the effects of blowing air over a large area, being waterproof, and having a retractable down rod, lighting function and good safety.

IPC Classes  ?

• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/40 - CasingsConnections for working fluid
• F04D 29/60 - MountingAssemblingDisassembling

Abstract

A quick assembling structure includes a first seat, a second seat, and two elastic plates. The first seat and the second seat are configured to be coupled to a ceiling fan body and a lamp. The first seat has two bars. The second seat has two bar entrances, two longitudinal grooves, and two guide grooves. The elastic plates are disposed in the respective guide grooves, and each have a contact portion and a holding portion. When in use, the bars of the first seat are inserted into the bar entrances, the longitudinal grooves and the guide grooves, the bars are pushed to pass through the contact portions of the elastic plates, and the bars are secured between the contact portions and the holding portions of the elastic plates and the guide grooves.

IPC Classes  ?

• F21S 8/04 - Lighting devices intended for fixed installation intended only for mounting on a ceiling or like overhead structure
• F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
• F04D 29/64 - MountingAssemblingDisassembling of axial pumps
• F21V 17/14 - Bayonet-type fastening
• F21V 29/74 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for

Abstract

A ceiling fan infrared detection and control system has a wall-mounted controller, a ceiling fan controller, and a motor. The wall-mounted controller has an infrared sensor that is arranged outwardly and horizontally. The wall-mounted controller is pivotally equipped with a lens outside the infrared sensor for detecting infrared rays of a human body within a detection range. The control unit can output a wireless signal to the ceiling fan controller to control the motor according to the infrared detection result. The ceiling fan infrared detection and control system uses the technical feature that the lens is rotatable relative to the wall-mounted controller, so that the detection range can be moved synchronously along with the lens. The detection range has directivity and the function of adjusting the detection position, which can avoid false detection of a pet below the height of the detection range.

IPC Classes  ?

• F04D 27/00 - Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 27/02 - Surge control

Abstract

A down rod hanger system includes a lower seat body, an outer rotating seat, an inner rotating seat, and a down rod. The outer rotating seat is located inside the lower seat body and pivotally connected to the lower seat body, and is rotatable about a first axis. The inner rotating seat is located inside the outer rotating seat and pivotally connected to the outer rotating seat, and is rotatable about a second axis. The first axis is perpendicular to the second axis. A ceiling fan is fixedly connected to the inner rotating seat through the down rod. When the lower seat body is in a fixed state, the ceiling fan is displaced to a vertical suspension position in different angles and directions through its own weight and the down rod that can be rotated about the first axis and the second axis.

IPC Classes  ?

• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/60 - MountingAssemblingDisassembling

Abstract

A ceiling fan has blades spaced apart circumferentially about and extending outward radially from a rotating component of a motor. The blades include upper blades and lower blades. Each lower blade is between and extends below a pair of adjacent upper blades. The motor, when activated, rotates the rotating component, concurrently rotating the upper blades and the lower blades in the same rotational direction. Each of the upper blades leading an adjacent one of the lower blades is configured to generate and direct an air current rearwardly and downwardly therefrom in front of the adjacent one of the lower blades and each of the lower blades trailing an adjacent one of the upper blades is configured to intercept the air current from the adjacent one of the upper blades and accelerate it rearwardly and downwardly therefrom, when the motor is activated.

IPC Classes  ?

• F04D 29/34 - Blade mountings
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/38 - Blades
• F04D 29/60 - MountingAssemblingDisassembling

Abstract

A ceiling fan light structure includes a light housing, a light, a plurality of first conductive elements, and a plurality of second conductive elements. The light housing and the light are fastened to each other through a plurality of locking slots and a plurality of locking members. When the light housing and the light are assembled, the first conductive elements are elastically abutted against and electrically connected to the second conductive elements, so that the assembly and electrical connection can be quickly completed at the same time. The light housing and the light can be disassembled quickly to release the electrical connection.

IPC Classes  ?

• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
• F21V 23/06 - Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices

Abstract

A ceiling fan having double-layer blades includes a motor unit, a blade frame unit, a first blade unit, and a second blade unit. The blade frame unit has a blade frame body. The first blade unit includes a plurality of first blades. The second blade unit includes a plurality of second blades. The first blades and the second blades surround the outside of the blade frame body, so that there is no need for the motor unit to provide a motor housing for connecting the first blades and the second blades, thereby saving costs and installation costs. With the arrangement of the first blades and the second blades, the ceiling fan can increase the current of air for cooling.

IPC Classes  ?

• F04D 29/34 - Blade mountings
• F04D 29/60 - MountingAssemblingDisassembling
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/38 - Blades

Abstract

A ceiling fan upper light includes a light casing. The light casing has at least one side wall made of a light-pervious material. At least one shielding plate made of an opaque material is annularly disposed inside the light casing. At least one groove is annularly disposed inside the light casing. The at least one groove is located between the at least one side wall and the at least one shielding plate. A plurality of light-emitting diodes is annularly disposed inside the light casing. The light-emitting diodes are located in the at least one groove. The light-emitting diodes do not extend out of the at least one groove. The light-emitting diodes emit light toward the opening of the groove, so as to prevent the light from directly irradiating the outside of the at least one side wall, so that the at least one side wall displays the light color of the light-emitting diodes.

IPC Classes  ?

• F21S 8/04 - Lighting devices intended for fixed installation intended only for mounting on a ceiling or like overhead structure
• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
• F21Y 113/10 - Combination of light sources of different colours
• F21Y 115/10 - Light-emitting diodes [LED]

Abstract

A brushless DC motor control system for a ceiling fan is electrically connected to a brushless DC motor, and includes a first switch, a detection module, a timer, a processing module, and a driving module. The first switch sends a first switch signal to the detection module for detection. The detection module outputs an operating electric potential detection signal to the timer. The timer outputs an operating electric potential timing signal to the processing module, so that the processing module outputs a first control signal and a second control signal to the driving module for controlling the brushless DC motor to change the rotational speed and the rotational direction respectively, increasing the convenience of use.

IPC Classes  ?

• H02P 25/03 - Synchronous motors with brushless excitation
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• H02P 6/30 - Arrangements for controlling the direction of rotation
• H02P 23/14 - Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage

Abstract

A quick assembling structure for a ceiling fan with a lamp is provided. The quick assembling structure includes a first seat and a second seat. The first seat has positioning members. The second seat has recesses and guide holes corresponding to the respective positioning members. The second seat has a plurality of elastic plates corresponding to the guide holes. When the positioning members are inserted into the recesses and the guide holes, the positioning members are pushed to pass through the elastic plates for the positioning members to be secured in the guide holes so that the first seat is combined with the second seat. In addition, the guide holes each have an accommodating groove to prevent the positioning members from being separated. The quick assembling structure improves the convenience and safety for the assembly of a ceiling fan with a lamp.

IPC Classes  ?

• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for

Abstract

An installation structure of a ceiling fan and an upper illuminating lamp includes a first mounting unit that is disposed on one of a connecting portion of a ceiling fan body and a lamp unit and a second mounting unit that is disposed on the other one of the connecting portion and the lamp unit. The second mounting unit corresponds to the first mounting unit. The first mounting unit and the second mounting unit are connected to each other so that the lamp unit and the ceiling fan body are coupled together, so as to complete the assembly quickly.

IPC Classes  ?

• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F21Y 103/33 - Elongate light sources, e.g. fluorescent tubes curved annular

Abstract

A down rod installation structure for a ceiling fan has a coupling seat, a down rod, and an elastic member. The down rod is threadedly connected to the coupling seat. The elastic member has a fixed end that is fixed to the coupling seat. The elastic member further has an abutment portion to be engaged in a perforation of the coupling seat and an aperture of the down rod, so that the down rod installation structure invention has the advantages of quick installation and increasing the stability of the ceiling fan.

IPC Classes  ?

• F04D 29/64 - MountingAssemblingDisassembling of axial pumps
• F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation

Abstract

A ceiling fan having double-layer blades includes a motor unit, a blade frame unit, a first blade unit, and a second blade unit. The blade frame unit has a blade frame body. The first blade unit includes a plurality of first blades. The second blade unit includes a plurality of second blades. The first blades and the second blades surround the outside of the blade frame body, so that there is no need for the motor unit to provide a motor housing for connecting the first blades and the second blades, thereby saving costs and installation costs. With the arrangement of the first blades and the second blades, the ceiling fan can increase the current of air for cooling.

IPC Classes  ?

• F04D 29/34 - Blade mountings
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/38 - Blades
• F04D 29/60 - MountingAssemblingDisassembling

Abstract

A blade installation structure of a ceiling fan includes a blade, a coupling seat, and an elastic member. The blade has a connecting portion. The connecting portion has a through hole. The coupling seat has a slot. A displacement space is defined in the slot. The elastic member includes an elastic portion and an abutting portion connected to the elastic portion. The abutting portion abuts against the through hole of the blade, and the elastic portion is confined within the through hole of the blade, so that the blade is locked and fixed to the coupling seat. The blade installation structure of the ceiling fan has the advantages of quick installation and increased blade support.

IPC Classes  ?

• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/34 - Blade mountings

Abstract

A long-distance speed control system for a brushless DC motor of a fan is provided. The long-distance speed control system includes a switch connected with a mains power supply, a switch circuit, a voltage detection module, a power cord, a processing unit, and a drive unit, which can control the multi-stage rotational speed of the motor. In the field of brushless DC motors for fans, there is no need to use analog-to-digital conversion chips between the mains power supply and the processor, having the advantages of low cost, environmental protection, and reduction of waste of earth resources. Besides, the switch, the switch circuit and the power cord can withstand the mains power supply, having the advantages of less signal attenuation and long-distance transmission.

IPC Classes  ?

• F04D 27/00 - Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• H02K 11/33 - Drive circuits, e.g. power electronics
• H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
• H02K 11/26 - Devices for sensing voltage, or actuated thereby, e.g. overvoltage protection devices
• H02P 7/03 - Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors

Abstract

A color temperature and brightness control system for an LED lamp of a ceiling fan includes a switch, a detection module, a determining module, a memory module, a control module, and a drive unit. The detection module detects the actuation of the switch, and the determining module performs a comparison. The control module outputs a control signal to the drive unit according to the calculation result of the determining module and the memory module to drive the lamp to actuate. The color temperature and brightness control system is able to control the lamp to be turned on/off and the brightness and color temperature of the lamp through a single switch.

IPC Classes  ?

• H05B 45/24 - Controlling the colour of the light using electrical feedback from LEDs or from LED modules
• H05B 45/10 - Controlling the intensity of the light
• F21V 23/04 - Arrangement of electric circuit elements in or on lighting devices the elements being switches
• F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
• F21Y 115/10 - Light-emitting diodes [LED]

Abstract

A ceiling fan with a ceiling projection function includes a ceiling fan body and a ceiling fan housing. The ceiling fan body includes a plurality of blades, a motor that drives the blades to rotate, and a hanging rod. The ceiling fan housing is provided with a pattern hole unit and a light-emitting unit. The pattern hole unit has at least one pattern hole. The pattern hole of the pattern hole unit passes through the ceiling fan housing. The light-emitting unit has at least one light-emitting member. When in use, the light-emitting member of the light-emitting unit projects a light beam passing through the pattern hole of the pattern hole unit to project a pattern of the pattern hole of the pattern hole unit outside the ceiling fan housing and above the blades.

IPC Classes  ?

• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
• G03B 21/16 - CoolingPreventing overheating
• G03B 21/20 - Lamp housings
• F21W 121/00 - Use or application of lighting devices or systems for decorative purposes, not provided for in groups
• F21Y 115/10 - Light-emitting diodes [LED]
• F21Y 113/13 - Combination of light sources of different colours comprising an assembly of point-like light sources
• F04D 29/00 - Details, component parts, or accessories

Abstract

A lamp installation structure of a ceiling fan has a first base connected to a fixing seat of the ceiling fan and a second base connected to a lamp. The first base is provided with a plurality of positioning members. The second base has grooves and guide rails corresponding to the positioning members for insertion of the positioning members. The guide rails are provided with a plurality of elastic members to elastically press against the positioning members. Thereby, through the positioning members being retained to the guide rails, the lamp installation structure of the ceiling fan has the advantages of quick installation and increased stability of the ceiling fan.

IPC Classes  ?

• F21V 21/03 - Ceiling bases, e.g. ceiling roses
• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
• F21V 21/04 - Recessed bases
• F21V 29/74 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
• F21W 131/30 - Lighting for domestic or personal use

Abstract

A color temperature control device for an LED lamp is disclosed. The color temperature control device is electrically connected to a lamp and comprises a power supply and a power control circuit. The processor can output a color temperature change processing signal. The power control circuit can control the lamp to change the color temperature in a full-on state according to the full-on state of the lamp and a color temperature change processing signal. The power control circuit can control the lamp to change the color temperature in a dimming state according to the dimming state of the lamp and a color temperature change processing signal. Thereby, the color temperature of the lamp can be changed in the full-on state of the lamp or in the dimming state of the lamp, thereby increasing the convenience of use.

IPC Classes  ?

• H05B 45/20 - Controlling the colour of the light
• H05B 45/325 - Pulse-width modulation [PWM]
• H05B 45/10 - Controlling the intensity of the light

Abstract

A switch control system for a motor and a lamp of a fan includes a motor switch, a lamp switch, a detection unit, a wireless remote control receiving unit, a control unit, and a drive unit. The control unit is electrically connected to the motor switch through a motor power processing part. The control unit is electrically connected to the lamp switch through a lamp power processing part. Thus, the motor switch and the wireless remote control receiving unit are able to operate and control the motor independently, and the lamp switch and the wireless remote control receiving unit are able to operate and control the lamp independently.

IPC Classes  ?

• H05B 47/185 - Controlling the light source by remote control via power line carrier transmission
• H05B 47/155 - Coordinated control of two or more light sources

Abstract

A quick assembling structure for a ceiling fan with a lamp includes a first seat and a second seat. A first peripheral wall of the first seat is radially provided with a plurality of positioning members. The second seat has a second peripheral wall to be sleeved onto the first peripheral wall. The second peripheral wall has recesses that are recessed radially and correspond to the respective positioning members. The second peripheral wall is formed with guide holes corresponding to and communicating with the respective recesses. Through the positioning members to be inserted into the recesses and the guide holes and tightened in the guide holes, the first peripheral wall of the first seat is connected to the second peripheral wall of the second seat so as to assemble the ceiling fan and the lamp quickly.

IPC Classes  ?

• F21V 21/03 - Ceiling bases, e.g. ceiling roses
• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
• F21S 8/00 - Lighting devices intended for fixed installation
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation

Abstract

A quick ceiling fan mounting bracket with a safety protection structure has a bracket, two guide rails and an elastic engaging member. The bracket is configured to connect a junction box and a ceiling fan motor unit. The junction box is locked with two locking members. When installed, the locking members are half locked into locking holes of the junction box, and the heads of the locking members are positioned at positioning holes and a force is applied to the elastic engaging member for the locking members to pass through the guide rails. When the head of the locking member is displaced, an engaging portion of the elastic engaging member is against the head of the locking member to achieve the effect of safety protection.

IPC Classes  ?

• F04D 29/64 - MountingAssemblingDisassembling of axial pumps
• F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle

Abstract

A lamp assembly installed to a ceiling fan includes a heat dissipation module and a lamp. The heat dissipation module has a heat dissipation body. The heat dissipation body is mounted to a connecting seat of the ceiling fan. The heat dissipation body includes a plurality of heat dissipation units on one side of the heat dissipation body adjacent to the connecting seat. The heat dissipation units have an axis. The heat dissipation units are sequentially arranged from inside to outside relative to the axis. The heat dissipation units each have at least one heat dissipation fin relative to the axis. The lamp is fixedly connected to another side of the heat dissipation body. The lamp assembly has a better heat dissipation effect and can be installed quickly.

IPC Classes  ?

• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
• F21V 29/76 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
• F21V 29/60 - Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
• F21Y 115/10 - Light-emitting diodes [LED]

Abstract

A brushless DC motor control device for a ceiling fan is electrically connected to a brushless DC motor and includes at least one switch, a processor, and a driving module. The processor includes at least one detection module and a processing module. The switch transmits a switch signal to the detection module for detection. After the detection module detects an operating electric potential and a normal electric potential of the switch signal, the detection module outputs a detection signal to the processing module. The processing module outputs a control signal to the driving module, so that the driving module transmits a driving signal to the brushless DC motor to control the rotational speed, stop and rotational direction of the brushless DC motor.

IPC Classes  ?

• H02P 27/04 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage