A diffusion body (10) receives incoming first light (L1) and emits scattered light. The diffusion body (10) has one light-entering surface (10a) through which the first light (L1) enters in a first direction and a first light-emitting surface (10b). The light-entering surface (10a) is formed on an end face of the diffusion body (10). First emitted light (L21) is emitted from the first light-emitting surface (10b). Second emitted light (L22) is emitted from a second light-emitting surface (10c), which is a surface other than the first light-emitting surface (10b) of the diffusion body (10). The intensity of the first emitted light (L21) increases as the emitted direction of the first emitted light (L21) is closer to the first direction. The correlated color temperature of the first light (L1) is lower than the correlated color temperature of the first emitted light (L21) and is higher than the correlated color temperature of the second emitted light (L22).
This lighting fixture is provided with a blue light LED module which emits light including a blue light component, a light-guiding plate which diffuses the light from the blue light LED module and performs surface light emission, and a light adjusting unit which adjusts the light from the blue light LED module to reproduce the color of the sky, wherein the light adjusting unit adjusts the light from the blue light LED module such that, when the daytime sky is being reproduced, the y-value of the CIE chromaticity coordinate of the emitted light from the light-guiding plate is on the plus direction side of an extension line of the black body locus, and adjusts the light from the blue light LED module such that, when the sky at dawn, evening, sunrise or sunset is being reproduced, the y-value of the CIE chromaticity coordinate of the emitted light from the light-guiding plate lies in a permissible range including the sunset line, which is an extension line of the black body locus.
A lighting device is provided with a blue LED module which emits light including a blue light component, a light guide plate which diffuses and surface-emits light from the blue LED module, a white LED module which emits white light, a diffusion plate which is disposed in an orientation intersecting the light guide plate and diffuses the white light from the white LED module, and a light adjustment unit which replicates the color of the sky by adjusting the blue LED module and replicates sunlight by adjusting the white LED module. The light adjustment unit adjusts the white LED module or the blue LED module such that the ratio of the luminance of light emitted by the light guide plate and the luminance of light emitted from the light diffusion plate is 1:5.8-1:13.
An electronic device according to the present invention includes a power supply unit and a load, the power supply unit including a ground terminal, a rectifier circuit, a circuit section connected to a DC output of the rectifier circuit, the circuit section supplying electric power to the load, a first varistor connected at one end thereof to one input end of the rectifier circuit, a second varistor connected at one end thereof to another input end of the rectifier circuit and connected at another end thereof to another end of the first varistor and an arrester connected at one end thereof to the another end of the second varistor and connected at another end thereof to the ground terminal, wherein an electrostatic capacity of each of the first and second varistors is 40% or more of a sum of earth capacitances of the power supply unit and the load.
H02H 9/06 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
H05B 45/10 - Controlling the intensity of the light
H02M 1/32 - Means for protecting converters other than by automatic disconnection
H02M 7/06 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
5.
Power supply device, lighting equipment, and method for manufacturing power supply device
An input connection part having a first connection part and a second connection part, an anti-surge circuit having a first varistor and a second varistor which are connected in series so as to connect the first connection part and the second connection part, and a lightning arrester device connecting a connection point of the first varistor and the second varistor and a grounding connection part, and a power supply circuit connected to the anti-surge circuit are provided, wherein capacitances of the first varistor and the second varistor are any values from a value of 1.6 times a nominal capacitance of the first varistor and the second varistor to a value of 0.4 times the nominal capacitance.
H05B 45/50 - Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDsCircuit arrangements for operating light-emitting diodes [LED] responsive to LED lifeProtective circuits
H02M 7/06 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
6.
HUMAN BODY DETECTION DEVICE AND ILLUMINATION DEVICE
This human body detection device (1) is provided with a first human body detector (2A) having a first field of view, a second human body detector (2B) having a second field of view that is narrower than the first field of view and at least partially overlaps with the first field of view, and a position adjustment apparatus (7) for adjusting the relative position of the second field of view in relation to the first field of view. The position adjustment apparatus (7) is capable of adjusting the angle (θ) between the optical axis (AX1) of the first human body detector (2A) and the optical axis (AX2) of the second human body detector (2B). The position adjustment apparatus (7) is capable of moving the position of the second field of view without moving the position of the first field of view.
G01V 8/20 - Detecting, e.g. by using light barriers using multiple transmitters or receivers
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
G08B 13/193 - Actuation by interference with heat, light, or radiation of shorter wavelengthActuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using focusing means
A ceiling-embedded type illumination device (1A) is provided with a light source (2), a heatsink (3) having a plurality of heat-dissipating fins (3a), for dissipating heat generated by the light source (2), a housing (4) which includes a first vent hole (4a) and which covers the heatsink (3) at least partly, and a cooling fan (5) for generating an airflow for cooling the heatsink (3). The volume of a space occupied by the cooling fan (5) is smaller than the volume of a space occupied by the heatsink (3). The inner space of the housing (4) is in fluid communication with a space (200) under a ceiling (100) via the first vent hole (4a). An attic space (300) is a space over the ceiling (100) and outside the housing (4). The cooling fan (5) sucks air into the inner space of the housing (4) from the space (200) under the ceiling (100) through the first vent hole (4a), and releases the sucked air into the attic space (300).
F21S 8/02 - Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 29/503 - Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
F21V 29/508 - Cooling arrangements characterised by the adaptation for cooling of specific components of electrical circuits
F21V 29/67 - Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
F21V 29/77 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
F21V 29/80 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with pins or wires
A lighting device (1A) is provided with: a light-emitting element disposed under a first base (2); a plurality of heat dissipation fins (4) disposed on the first base (2); a second base (5) disposed above the heat dissipation fins (4); a cooling fan (6); and a power supply device (7) having a power supply case (7d) which houses a light-source drive circuit for lighting the light-emitting element. The power supply device (7) is supported by the second base (5). A first vent (8) and a second vent (9) are formed between the first base (2) and the second base (5). The heat dissipation fins (4) are positioned between the first vent (8) and the second vent (9). The cooling fan (6) is disposed so as to face the first vent (8). At least a part of the air stream generated by the cooling fan (6) passes through the first vent (8) and the second vent (9).
F21V 29/503 - Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 29/508 - Cooling arrangements characterised by the adaptation for cooling of specific components of electrical circuits
F21V 29/67 - Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
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
This illumination system is provided with a terminal device (60) that is configured such that a user can remotely operate an illumination device (1A). The illumination device (1A) comprises: a light source (17) having light source elements (3); a heat sink (2, 4); and a control means (7e) that drives the light source (17) and a cooling fan (6). If at least one of an event related to a fault in the cooling fan (6), an event related to the lifespan of the cooling fan (6), and an event related to the service life of the light source (17) occurs, the control means (7e) at least temporarily turns on the light source (17) in notification lighting mode instead of normal lighting mode. The notification lighting mode and the normal lighting mode are visually distinguishable by a person. The terminal device (60) can receive an operation to turn off the notification lighting mode.
F21V 29/503 - Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 25/00 - Safety devices structurally associated with lighting devices
F21V 29/508 - Cooling arrangements characterised by the adaptation for cooling of specific components of electrical circuits
F21V 29/67 - Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
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
This lighting device (1A) comprises a base (2), a light-emitting element disposed below the base (2), a plurality of heat dissipation fins (4) disposed above the base (2), a cooling fan (6) generating an airflow for cooling the base (2) and the plurality of heat dissipation fins (4), and a power source device (7) having a light source driving circuit for causing the light-emitting element to light-up and a power source casing (7d) housing the light source driving circuit. The power source device (7) is disposed above the plurality of heat dissipation fins (4). The cooling fan (6) is disposed above the power source device (7). A base central line (BC) is a straight line passing through the center of the base (2) and perpendicular to the base (2). A power source central line (PC) is a straight line passing through the center of the power source casing (7d) and perpendicular to the base (2). The position of the power source central line (PC) is offset relative to the base central line (BC).
F21V 29/67 - Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 29/503 - Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
F21V 29/508 - Cooling arrangements characterised by the adaptation for cooling of specific components of electrical circuits
F21V 29/77 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
The present invention is provided with: a rectifier circuit for rectifying AC power; a power factor improvement circuit having a switching element and an inverter, and into which the output of the rectifier circuit is input, and from which a DC voltage is output; a detection winding for detecting a voltage generated by the inverter; and a control unit into which the voltage detected by the detection winding is input, and which drives the switching element. The control unit executes a first control to change a switching frequency of the switching element when operation of the power factor improvement circuit is started, after which, if a second control for switching the switching element in a manner that is synchronized with the voltage obtained by the detection winding is to be executed, an amount of change in the switching frequency when transitioning from the first control to the second control is made smaller than a difference value between the switching frequency when the first control is initiated and the switching frequency when the second control is initiated.
H02M 3/155 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
12.
LIGHT SOURCE LIGHTING DEVICE AND ILLUMINATION APPARATUS
The invention is characterized by including a rectifier circuit for rectifying an alternating current power source, a power factor correction circuit into which the output from the rectification circuit enters and from which a direct current voltage exits that has a switching element and an inductor, a detector coil for detecting the voltage arising at the inductor, and a control unit into which the voltage detected by the detector coil is input and which drives the switching element, wherein after a first off-period has elapsed, from when the switching element has been turned-off to when the oscillation voltage of the detector coil has dropped at least twice, the control unit maintains the off-state of the switching element until a pre-defined second off-period elapses, and, after the second off-period has elapsed, turns-on the switching element.
Provided is a power conversion device provided with a power supply main circuit unit (2) and a power supply control unit (3). The power supply main circuit unit (2) has a switching element (11) and a reactor (12) and performs power conversion on an input voltage having an AC voltage component superimposed on a DC voltage component to output the converted input voltage to a load. The power supply control unit (3) determines the turn-on timing of the switching element (11) so as to delay the turn-on timing of the switching element (11) when the sensed value (Vinsen) of the input voltage becomes large due to the AC voltage component superimposed on the DC voltage component as compared to when the sensed value (Vinsen) of the input voltage becomes small due to the AC voltage component superimposed on the DC voltage component.
H02M 3/28 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
According to the present invention, a lighting unit (2A) is provided with a first light emitting element (4) disposed along a first surface (3a) of a base (3). A first light guide (6) has a first edge (6a) that receives light emitted from the first light emitting element (4), and a first light reflection surface (6b) that emits light. A second light guide (7) has a second edge (7a) that is adjacent to a second surface (3b) of the base (3), and a second light reflection surface (7b) that emits light. A fin assembly (8) has a plurality of heat sink fins (8a) that are adjacent to a third surface (3c) of the base (3). A direction that is parallel to the shortest distance (L1) between the first edge (6a) of the first light guide (6) and the second edge (7a) of the second light guide (7) is defined as a first direction. A dimension (L2) of the fin assembly (8) in the first direction is larger than the shortest distance (L1).
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
F21V 29/51 - Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
F21V 29/71 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
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
F21Y 103/10 - Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
A lamp (1A) is provided with: a mouthpiece (2) that is connectable to an electric socket; and a light source unit (5). The light source unit (5) is provided with a heat sink (6) and a light-emitting element (7). The heat sink (6) is provided with a base (8) that has a surface (8a) along a direction parallel to an axis (Ax) or a direction oblique to the axis (Ax), and a plurality of heat radiation fins (9) that are positioned oppositely to the surface (8a) with respect to the base (8). The light-emitting element (7) is supported on the surface (8a) of the base (8). The distance (L5) between the gravity center (13) of the lamp (1A) and the proximal end (3) in the direction of the axis (Ax) is less than 1/2 of the total length (L4) of the lamp (1A).
F21V 29/503 - Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
F21K 9/232 - Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
F21K 9/237 - Details of housings or cases, i.e. the parts between the light-generating element and the basesArrangement of components within housings or cases
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
The present invention is provided with: a rectification circuit (3) which rectifies AC power; a DC conversion circuit (30) which inhibits higher harmonics of a current and improves the power factor, and converts the power outputted from the rectification circuit (3) into DC power, and supplies said DC power to a light source; and a control unit (9) which controls the DC conversion circuit (30). The DC conversion circuit (30) is provided with: a smoothing capacitor (6); a MOSFET (51) which is disposed between the smoothing capacitor (6) and the rectification circuit (3); and a coil (52) through which the current outputted from the rectification circuit (3) flows. The control unit (9) sets the MOSFET (51) in an off state from the point in time at which the current flowing through the coil (52) becomes zero, until a delay time set in the control unit (9) elapses, and turns the MOSFET (51) on when the delay time has elapsed.
H02M 7/06 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
A lighting device (100) according to the present invention is provided with: a rectification circuit (3) which rectifies AC power; a DC conversion circuit (30) which inhibits higher harmonics of a current and improves the power factor, and converts the power outputted from the rectification circuit (3) into DC power, and supplies the DC power to a light source; and a control unit (9) which controls the DC conversion circuit (30). The DC conversion circuit (30) is provided with: a smoothing capacitor (6); a MOSFET (51) which is disposed between the smoothing capacitor (6) and the rectification circuit (3); and a coil (52) through which the current outputted from the rectification circuit (3) flows. The control unit (9) sets the MOSFET (51) in an off state from the point in time at which the current flowing through the coil (52) becomes zero, until a delay time set in the control unit (9) elapses, and turns on the MOSFET (51) when the delay time has elapsed.
H02M 7/06 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
According to the present invention, a power control unit (2) performs a multi-mode switching control that turns first and second switching elements (Q1, Q2) in an H-bridge-type step-up/down converter (6) on and off so that the H-bridge-type step-up/down converter has, in the following order: a first mode in which both the first and second switching elements (Q1, Q2) are in an ON state; a second mode in which the first switching element (Q1) is in the ON state and the second switching element (Q2) is in an OFF state; and a third mode in which both the first and second switching elements (Q1, Q2) are in the OFF state.
H02M 3/155 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
19.
POWER SUPPLY DEVICE, LIGHTING EQUIPMENT, AND METHOD FOR MANUFACTURING POWER SUPPLY DEVICE
The present invention comprises a surge protection circuit and a power supply circuit connected to the surge protection circuit. The surge protection circuit has: an input connection part that has a first connection part and a second connection part; a first varistor and a second varistor linked in series so as to connect the first connection part and the second connection part; and a lightning protection element that connects the connecting point of the first and second varistors and a connection part for grounding. The capacitance of the first varistor and the second varistor is any value from 1.6 times the nominal capacitance of the first varistor and the second varistor to 0.4 times the nominal capacitance.
A power factor compensation power supply device (1) is provided with: a power supply main circuit unit (2) equipped with a converter (4) having a switching element (7); and a power supply control unit (3) for controlling the power supply main circuit unit (2). The power supply control unit (3) generates a correction amount (Kphase) in accordance with the detected phase of an input voltage to the power supply main circuit unit (2), generates an ON-time (ton2) obtained by correcting a reference ON-time (ton1) of the switching element (7) by use of the correction amount (Kphase), and performs control so that the phase difference between an input current and the input voltage becomes zero.
H02M 3/155 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
A light source unit according to the present invention is provided with: an antenna; a wireless module that is connected to the antenna; a lighting circuit that is connected to the wireless module and that turns on a light-emitting element; a light source module that has the light-emitting element provided on an upper surface thereof; a reflector that is provided on the light source module and that surrounds the light-emitting element; and a diffuser plate that is provided on the reflector and that covers the light-emitting element. The antenna has an electric wire disposed between the reflector and the diffuser plate.
This semiconductor lamp (1) is provided with: a plurality of first light source units disposed at intervals in the circumferential direction around a lamp axis (AX), and a plurality of second light source units located further toward the distal side than the first light source units and disposed at intervals in the circumferential direction. The first light source units are each provided with a first heat sink part (3) and a first semiconductor light source (4a). The second light source units are each provided with a second heat sink part (5) and a first semiconductor light source (6a). The outer dimension of the semiconductor lamp (1) in the direction perpendicular to the lamp axis (AX) increases at least partially in the distal direction at the location where the plurality of first light source units are disposed, and increases at least partially in the proximal direction at the location where the plurality of second light source units are disposed.
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 29/502 - Cooling arrangements characterised by the adaptation for cooling of specific components
F21V 29/74 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
F21Y 107/30 - Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
A semiconductor lamp (1) is provided with: a heat sink (4); a light source substrate (5) having at least one semiconductor light source (5a); and a reflecting section (7b), which is an illuminating means. The heat sink (4) is provided with: a board-like base section (8) that has a first surface (8a) facing the outer side of the semiconductor lamp (1) and a second surface (8b) on the reverse side of the first surface (8a); and fins (9) protruding from the first surface (8a) of the base section (8). The light source substrate (5) is disposed on the second surface (8b) of the base section (8). The reflecting section (7b), i.e., the illuminating means, illuminates the first surface (8a) of the base section (8).
F21V 29/503 - Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
F21K 9/232 - Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
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
An electronic device according to the present invention is provided with: a power supply unit; and a load. The power supply unit is provided with: an input unit which receives power from an alternating current power supply; an earth terminal; a rectifying circuit; a circuit unit which is connected to a direct current output of the rectifying circuit, and supplies power to the load; a first varistor which has one end connected to one input terminal of the rectifying circuit; a second varistor which has one end connected to the other input terminal of the rectifying circuit, and has the other end connected to the other end of the first varistor; and an arrester which has one end connected to the other end of the second varistor, and has the other end connected to the earth terminal. The capacitance of each of the first varistor and the second varistor is 40% or more of the sum of the ground capacitances for the power supply unit and the load.
H02H 9/04 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
H02H 9/06 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
H02J 1/00 - Circuit arrangements for dc mains or dc distribution networks
This lighting apparatus is provided with: a body that emits light; and a holding part that holds the body, wherein the holding part has: a fixed part that is fixed to an installation surface; and an arm that holds the body and extends from the fixed part, wherein the body has an arm mounting metal fitting to which the arm is attached and which is provided to the side surface of a casing, and the arm is mounted via the arm mounting metal fitting.
An illumination device (1) is provided with a light source (2) and an optical element (3). The light source (2) emits light. The optical element (3) receives incident light and radiates the incident light asymmetrically in relation to an optical axis (C) of the light source (2). The optical element (3) includes a first incident surface (4b) on which light is incident, and a reflecting surface (6) that reflects light. The light that reaches the first incident surface (4b) from the light source (2) includes a first light (L5) that is transmitted through the first incident surface (4b), and a second light (L6) reflected by the first incident surface (4b). On the optical path of the second light (L6), the optical element (3) is provided with a diffusion part for diffusing said second light.
An illumination device of the present invention is provided with: a lighting device provided with the standard for lighting a fluorescent lamp in a glow starter type illumination device; an illumination fixture which has a first connecting part adapted for connection of the fluorescent lamp, and a second connecting part adapted for connection of the glow starter; an illumination lamp attached to the first connecting part, and provided with a semiconductor light emitting element; and a dummy starter for making the second connecting part conductive, the dummy starter being attached to the second connecting part.
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
B65D 85/30 - Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
A power source apparatus according to the present invention is for an illumination lamp that has mounted thereon a semiconductor light-emitting element and on which a glow-starter-type illumination fixture is to be attached, and is provided with: an input terminal having a first input terminal and a second input terminal; an input terminal; a power source circuit that is connected to the input unit and that generates a voltage for lighting the semiconductor light-emitting element; and a fuse connected between the input terminal and the power source circuit.
A power supply control unit (2) of the electric power conversion device controls an output voltage (Vo) by performing on/off control of switching components (Q1, Q2) on the basis of an input voltage detection value (Vin), the output voltage detection value (Vo), and a reactor current (IL), and controls the reactor current (IL) such that an input current waveform approaches an input voltage waveform in order to perform power factor improvement control. The power supply control unit performs the power factor improvement control by making an appropriate correction in response to a fluctuation in the input voltage such that the magnitude of a fluctuation in the reactor current (IL) counteracts that of the fluctuation in the input voltage (Vin). Consequently, even in the event of a fluctuation in the input voltage (Vin), a stable step-up/step-down operation can be performed without a fluctuation in the output voltage (Vo).
H02M 7/12 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
H02M 3/155 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
This support column frame assembly (50) comprises a column-shaped placement space (92) formed therein, and having an upper opening (94) and a lower opening (95). This support column frame assembly (50) is provided with: two main support columns (51) and two main support columns (52) disposed throughout from the upper opening (94) to the lower opening (95); and two guards (71) and two guards (72) linking the two main support columns (51) to the two main support columns (52), the guards and the main support columns being assembled with screws. A lighting device is produced by disposing the light source unit (80) in the placement space (92) of the support column frame assembly (50).
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 29/503 - Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
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
An illumination device is provided with a device installation member and a light source unit. The light source unit is provided with a mounting member, a light source substrate, a light source cover, an end cover, a lighting device, and a communication unit for illumination which are integrated. The communication unit for illumination is provided with a circuit board on which a wireless communication circuit module is provided, and a case which houses the circuit board and is fitted into the mounting member or the device installation member. The case is provided with a fitting claw. The fitting claw is caught in a fitting recessed section provided in a side plate portion of the mounting member, and thereby the case can be fitted and secured into the mounting member.
A light source unit (400) has a light source module (410), an attaching member (420), an attaching auxiliary member (430), and a fixed cover (440). The attaching member (420) has an attachment surface (425). The fixed cover (440) is attached to the attachment surface (425). An opening (442) is provided in the fixed cover (440). The light source module (410) is secured to an area including the center of the attachment surface (425) in a state of being interposed between the fixed cover (440) and the attaching member (420), said module (410) radiates light through the opening (442) in the fixed cover (440). The attaching auxiliary member (430) is disposed to positionally align the light source module (410) at a position on the attachment surface (425) adjacent to the area where the light source module (410) is fixed.
A power supply unit (300) of an illumination device (100) is provided with a power supply substrate (310), an output wire (320), a casing (330), and a housing body (370). The housing body (370) has a first housing part and a second housing part. The first housing part houses the power supply substrate (310). The second housing part is partitioned from the first housing part (371) by a partition wall. The housing body (370) is accommodated inside the casing (330). The bottom wall part (332) of the casing (330) is provided with a through hole (333) through which the output wire (320) is inserted from the inside of the casing (330) to the outside of the casing (330). A light source unit (332) is connected to the bottom wall part (332) from the outside of the casing (330). The output wire (320) extends from the first housing part over the partition wall into the second housing part, and from the second housing part through a through hole provided to the bottom wall of the second housing part and the through hole (333) provided to the bottom wall part (332) to the outside of the housing body (370) and the casing (330).
F21V 29/503 - Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
F21V 29/507 - Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
F21V 29/77 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
F21V 29/83 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
F21V 29/87 - Organic material, e.g. filled polymer compositesThermo-conductive additives or coatings therefor
This illuminating device is provided with an apparatus main body (101), and a light source unit mounted on the apparatus main body (101). In the illuminating device, a pair of fixing mechanisms (200) that fix the light source unit to the apparatus main body (101) are separately disposed at two positions P1, P2 that sandwich, in the direction D1 parallel to the short-side direction of a lighting device, a terminal table (130) and the lighting device so that an electric cable connecting the terminal table (130) and the lighting device to each other is not susceptible to interference with a member for fixing the light source unit to the apparatus main body (101).
This light source device is provided with: a light source that emits light; a lens that changes the traveling direction of the light emitted from the light source; and a reflector that covers at least a part of the light source and a part of the lens, and reflects the light emitted from the light source toward a surface to be irradiated. The lens deflects the light emitted from the light source toward the reflector.
The purpose of the present invention is to obtain an illumination lamp which efficiently uses the light emitted from a light source as emitted light of the illumination lamp, and which improves light-emission efficiency. This illumination lamp is characterized by being provided with: a light source module 3 which has a long shape, and in which a light source 4 is provided to a surface parallel to the length direction; and a cover 2 provided with a translucent cylindrical part 21 which has a long shape, and covers the emission-side surface of the light source module 3 from which light of the light source 4 is emitted, and holding protrusions 22 which protrude towards the inside of the cylindrical part 21, have emission-side flat surfaces 22a with a higher reflectance than the cylindrical part 21, and have device-side flat surfaces 22b that come into contact with the light source module 3.
The purpose of the present invention is to obtain an illumination lamp in which variation in the relative position of a light source with respect to a cover is suppressed. This illumination lamp is characterized by being provided with: a light source module 3 in which a light source 4 is provided to a surface parallel to the length direction; a light-source-side positioning part 67, i.e. a groove which is formed in the surface of an arc part 64 positioned at the opposite side to the light-source-module 3 surface having the light source 4 provided thereto, and in which a valley part 67b sandwiched between a pair of slanted surfaces 67a is formed along the length direction; a cylindrical cover 2 which holds the light source module 3 therein such that the inner circumferential surface faces the surface of the light source module 3 in which the light-source-side positioning part 67 is formed; and a cover-side positioning part 23, i.e. a protrusion which is formed in a position of the inner circumferential surface of the cover 2, said position facing the light-source-side positioning part 67, and which has a ridge part 23a formed at the tip. The illumination lamp is further characterized in that the ridge part 23a and a valley part 23b are brought into contact with each other.
The purpose of the present invention is to obtain an illumination lamp with which an adhesive member is easily provided parallel to the length direction of the illumination lamp, in substantially the same position in each individual illumination lamp. This illumination lamp is characterized by being provided with: a cover 2 which has a hollow long shape, and is translucent; a light source module 3 which has a long shape, has a light source 4 provided to a surface parallel to the length direction, and has, formed in the surface at the opposite side to the surface having the light source provided thereto, a recess 67 extending so as to be parallel to the length direction; and an adhesive member 10 which is provided along the recess 67, causes the inner circumferential surface of the cover 2 and the light source module 3 surface having the recess 67 formed therein to face each other, and fixes the light source module 3 to the cover 2.
The purpose of the present invention is to provide a lamp capable of reproducing a desired light color at a low cost and a method for manufacturing such a lamp. This lamp (106) is provided with a light source unit (2), a cover (1), and a wavelength discrimination layer (6). The light source unit (2) has LEDs (200). The LEDs (200) are covered by a cover (1). The wavelength discrimination layer (6) is provided to the cover (1). The wavelength discrimination layer (6) is provided with a first wavelength discrimination layer (6A) and a second wavelength discrimination layer (6B). The first wavelength discrimination layer (6A) has first wavelength discrimination characteristics. The second wavelength discrimination layer (6B) has second wavelength discrimination characteristics, which have different spectral radiation intensity characteristics to those of the first wavelength discrimination characteristics.
This lighting device is provided with: a light source that emits light; and an optical element which comprises a first optical surface, a second optical surface and a groove portion, and wherein the light emitted from the light source is incident on the first optical surface and the second optical surface. The second optical surface is flat, and the groove portion comprises a first surface, a second surface that is arranged so as to face the first surface, a bottom portion that connects the first surface and the second surface, and an opening that is provided at a position where the opening faces the bottom portion. One end of the first optical surface is connected to an end portion of the first surface, said end portion being on the opening side, and one end of the second optical surface is connected to an end portion of the second surface, said end portion being on the opening side. The first optical surface or the second optical surface is arranged between the light source and the bottom portion.
This power factor compensation circuit comprises a booster PFC circuit and a digital control circuit. In the digital control circuit: an error is calculated from an output voltage and a target voltage; PI calculation is carried out using an error value obtained at a timing at which detected is a bottom voltage for which full-wave rectification is carried out on an AC input voltage using a full-wave rectifier; an ON time A is determined using the PI calculation high-order bit, such ON time A being a rising period of a triangular wave of an inductor current triangular wave; and a correction period tx is determined using a low-order bit. In the correction period tx determined using a low-order bit, control is carried out using an ON time A+1 for which an ON time is determined in advance and to which applied is a correction amount +1.
H02M 7/12 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
H02M 3/155 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
A light source apparatus (1) has: a light source (10) that outputs light; and a lens (30), which is provided with an input surface (31) having light inputted thereto, said light having been outputted from the light source (10), and an output surface (32) facing the input surface (31), and which changes the traveling direction of the light outputted from the light source (10). The lens (30) is provided with: a first recessed section (40), which is provided on the input surface (31) side, and which refracts the inputted light; a facing surface (61), which is provided on the output surface (32) side, and which refracts light by facing the first recessed section (40); and a surrounding surface (62), which is provided on the outer circumference of the facing surface (61), and totally reflects the inputted light to the input surface (31) side.
The purpose of the present invention is to provide an illumination apparatus having an LED substrate and, regarding the fixing of the LED substrate, being capable of suppressing an increase in the number of components or a decrease in work efficiency. In this cover (230), a hook section (234) engages with a side surface plate (222) of frame (220) in a state where a cover-side substrate-fixing section (232-1) is in contact with a mounting surface (211J) of the LED substrate (210). The cover (230) is mounted on the frame (220) through this engagement and the cover-side substrate-fixing section (232-1) fixes the LED substrate (210) to a frame-side flat section (221).
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21V 19/00 - Fastening of light sources or lamp holders
F21Y 101/02 - Miniature, e.g. light emitting diodes (LED)
44.
LIGHTING APPARATUS, LIGHT SOURCE COVER, LIGHT CONTROL MEMBER, AND LIGHT SOURCE UNIT
A lighting apparatus (100) comprises: an LED (10) which is a light emitting element; a substrate (20) on a front surface of which a plurality of the LEDs (10) are arranged and mounted; a housing (30) that is connected to the rear surface of the substrate (20); a diffusing plate (40) provided above the substrate (20); a reflecting plate (80) that is disposed on both sides of the substrate (20) and that supports the diffusing plate (40); and a light source cover (50) that is provided so as to cover the LEDs (10) and end parts of which are connected to the housing (30). The light source cover (50) comprises: a thickness portion (51) the thickness of which is uniform in cross section view; inclined portions (52) disposed beside the thickness portion (51) and the thickness of which, in cross section view, becomes thinner with distance from a light axis (11); and reflecting portions (53) that continue from the inclined portions (52). The light source cover (50) has a shape the cross section of which extends in the longitudinal direction of the substrate (20), and such light source cover may be manufactured by extrusion molding.
An easily graspable structure is provided on a surface of an LED light source unit, and the LED light source unit can be detached with ease from a main device body. A light-transmissive cover (230) is provided with a curved surface portion (233) in which an arched shape is formed continuously in a lengthwise form, a side portion (232) that stands in a wall shape from one end in the lengthwise direction of the lengthwise form of the curved surface portion (233), and another side portion (232) that stands in a wall shape from the other end in the lengthwise direction of the curved surface portion (233). The side portions (232) have recessed hooking grooves (232a) that have an inwardly recessed shape.
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21Y 101/02 - Miniature, e.g. light emitting diodes (LED)
46.
SPRING FOR ILLUMINATION DEVICE, ILLUMINATION DEVICE, AND ILLUMINATION APPARATUS
A spring section (130) comprises a first flat section (L1), a first bent section (M1), a second flat section (L2), a second bent section (M2), a third flat section (L3), a third bent section (M3), a fourth flat section (L4), a fourth bent section (M4), an arc section (E), and an elbow section (K). The first bent section (M1), the second flat section (L2), the second bent section (M2), the third flat section (L3), the third bent section (M3), the fourth flat section (L4), the fourth bent section (M4), the arc section (E), and the elbow section (K) constitute an arc-shaped section.
The purpose of the present invention is, in an illumination lamp, a straight tube illumination lamp and an illumination device, wherein a substrate and a heat-dissipating member are bonded with an adhesive, to prevent the adhesive from running over to the front surface side of the substrate. An illumination lamp comprises a substrate (12) having an LED (11) (light-emitting element) mounted thereon, a heat-dissipating member (7) having wall sections (8) formed thereon and a carrying surface (4) for carrying the substrate (12) between the wall sections (8), and an adhesive (9) for bonding the substrate (12) to the heat-dissipating member (7) on the carrying surface (4). Groove sections (3) for allowing the adhesive (9) spread by pressure to escape are formed in the heat-dissipating member (7).
This power converter is provided with a power source main circuit unit (1) provided with a full-wave rectifier circuit (4) and an H-bridge step-up/step-down converter (5), and a power source control unit (2) which controls operation of the power source main circuit unit (1), wherein the power source control unit (2) determines operation of step-up control, step-down control or step-up/step-down control of the H-bridge step-up/step-down converter (5) on the basis of comparison of the input voltage (vin) and the output voltage (vo), computes a target reactor current (iL*) for performing power factor improvement control differently depending on whether step-up control, step-down control or step-up/step-down control is being performed, and performs current control to match the reactor current (iL) to the target reactor current (iL*).
H02M 7/12 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
H02M 3/155 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
49.
LIGHT EMITTING APPARATUS, ILLUMINATING APPARATUS, DISPLAY APPARATUS, AND METHOD FOR MANUFACTURING LIGHT EMITTING APPARATUS
The purpose of the present invention is to manufacture, at low cost, a light emitting apparatus, which is configured of a light emitting element mounted on a substrate, said light emitting element being sealed by means of a translucent resin, and which has easily formed thereon a semispherical translucent resin, and has high light extraction efficiency, high light directivity, and less color unevenness. This light emitting apparatus is provided with: a light emitting surface (25), which has a light emitting element (10) mounted thereon; and a film (300) having a film rear surface (314), which covers a light emitting surface (25) at the circumference of the light emitting element (10), and a film front surface (313) and a film upper surface (315), which are on the reverse side of the film rear surface (314). The film (300) is provided with an edge section (310) that is provided with: a slope surface (311), which is formed in an annular shape such that the slope surface (311) surrounds the light emitting element (10), and that, toward the film rear surface (314) from the film upper surface (315), the diameter thereof is reduced and an angle formed with the film upper surface (315) is sharpened; and an edge (312), which is formed at the boundary between the film upper surface (315) and the slope surface (311). The light emitting apparatus is also provided with a translucent resin (40), which covers the light emitting element (10) and which is applied to the inside of the edge section (310).
patents
