JP2017174670A - lighting equipment - Google Patents

Abstract

Kind Code: A1 A lighting fixture is provided in which a receiving part is less susceptible to heat from a light emitting module and the reception intensity of the receiving part can be ensured. A light emitting module (11) has a light emitting element (21). The radiator 12 has a light source mounting portion 26 on which the light emitting module 11 is arranged on the bottom surface, and a plurality of heat radiation fins 27 protruding from the top surface of the light source mounting portion 26 . The main body chassis 13 has a power supply mounting portion 32 arranged above the radiator 12 with a space therebetween, and supports the radiator 12 . The power supply section 14 is arranged above the power supply mounting section 32 . The arm 15 has an installation portion 44 arranged above the power supply portion 14 with a space therebetween, and a pair of side portions 45 provided at both ends of the installation portion 44 and connected to the main body chassis 13 . Receiving unit 50 is disposed above radiator 12 in any of main chassis 13, power supply unit 14, and arm 15, and receives radio signals for controlling power supply unit 14. FIG. [Selection drawing] Fig. 1

Description

  Embodiments described herein relate generally to a lighting apparatus capable of wireless control.

  Conventionally, in a luminaire that can be wirelessly controlled, a reception unit receives a wireless signal transmitted from a remote controller, and performs dimming control of the light source according to the received wireless signal.

  Further, for example, there is a lighting device for a high ceiling used for illumination of a space with a high ceiling such as a facility. In the lighting device for high ceiling, a light emitting module having a light emitting element is used, and the light emitting module is attached to the lower surface of the radiator. A plurality of radiating fins for radiating the heat generated by the light emitting elements are projected on the upper surface of the radiator. The radiator is supported by a main body chassis disposed above the heat radiator, and a power supply unit is disposed on the main body chassis. An arm for installation on the ceiling or the like is connected to the main chassis.

  In such a high-ceiling lighting fixture, when the receiving unit is arranged to be wirelessly controllable, depending on the place where the receiving unit is arranged, the receiving unit may be affected by heat from the light emitting module, There is a possibility that the receiving intensity of the receiving unit may be lowered.

JP 2015-37042 A JP 2013-201080 A

  The problem to be solved by the present invention is to provide a lighting apparatus in which the receiving unit is not easily affected by heat from the light emitting module and the receiving intensity of the receiving unit can be ensured.

  The lighting fixture of embodiment has a light emitting module, a heat radiator, a main body chassis, a power supply part, an arm, and a receiving part. The light emitting module has a light emitting element. The radiator has a light source mounting portion on which a light emitting module is disposed on a lower surface, and a plurality of heat radiation fins protruding from the upper surface of the light source mounting portion. The main body chassis has a power supply mounting portion disposed with a space above the radiator and supports the radiator. The power supply unit is disposed above the power supply mounting unit. The arm has an installation part disposed with a space above the power supply part, and a pair of side parts that are provided at both ends of the installation part and support the main body chassis. The receiving unit is disposed above any of the radiators and is disposed on any of the main chassis, the power supply unit, and the arm, and receives a radio signal that controls the power supply unit.

  According to the present invention, it is expected that the receiving unit is not easily affected by heat from the light emitting module, and the receiving intensity of the receiving unit is ensured.

It is a perspective view of the lighting fixture which shows one Embodiment. It is a block diagram of the illumination system using the same lighting fixture.

  Hereinafter, an embodiment will be described with reference to FIGS. 1 and 2.

  As shown in FIG. 1, the luminaire 10 is a high ceiling luminaire used for illumination of a space with a high ceiling such as a facility.

  The luminaire 10 supports a light emitting module 11, a radiator 12 to which the light emitting module 11 is attached, a main chassis 13 that supports the radiator 12, a power supply unit 14 that is mounted on the main chassis 13, and the main chassis 13. An arm 15 and a wireless module 16 are provided.

  The light emitting module 11 includes a substrate 20 and a plurality of light emitting elements 21 mounted on one surface of the substrate 20 (note that a part of the light emitting elements 21 is illustrated in FIG. Omitted). For example, an LED is used as the light emitting element 21, but another light emitting element such as an organic EL may be used. The other surface of the substrate 20 is disposed on the lower surface of the radiator 12, and the light emitting module 11 is thermally connected to the radiator 12.

  The light emitting module 11 is covered with a translucent cover 22 attached to the lower surface of the radiator 12.

  The radiator 12 includes a light source mounting portion 26 and a plurality of heat radiation fins 27 protruding from the upper surface of the light source mounting portion 26. The radiator 12 is made of a metal material such as aluminum. The light source mounting portion 26 and the heat radiating fins 27 may be separated from each other, and the heat radiating fins 27 may be inserted into and fixed to a plurality of slits provided on the upper surface of the light source mounting portion 26. May be integrally formed, for example, by extrusion.

  The main body chassis 13 is connected to the radiator 12 by being provided on both sides of the power supply mounting portion 32 and the power supply mounting portion 32 disposed so as to face each other with a space 31 above the radiator 12. A support 33 is provided. The main body chassis 13 is formed of, for example, a metal plate.

  The power supply unit 14 is mounted on the upper side of the power supply mounting unit 32 of the main body chassis 13. The power supply unit 14 includes a power supply box 37 attached to the upper side of the power supply attachment part 32, and a power supply circuit 38 accommodated in the power supply box 37. Further, the power supply box 37 includes a terminal block box 39 provided on the upper side of the power supply box 37. In this terminal block box 39, an AC power supply input terminal block (not shown) is arranged. The power supply unit 14 (power supply circuit 38) receives AC power, converts the AC power into predetermined DC power, supplies the light to the light emitting element 21 of the light emitting module 11, and turns on the light emitting element 21. Further, the power supply unit 14 (power supply circuit 38) receives a dimming signal from the wireless module 16, and performs dimming control of the light emitting element 21 according to the dimming signal.

  In addition, the arm 15 is provided with an installation portion 44 disposed so as to be opposed to the power supply portion 14 with a predetermined space 43 therebetween, and a pair of arms 15 provided at both ends of the installation portion 44 and connected to the main body chassis 13. Side portion 45. The front end of the side portion 45 is attached to a connecting metal fitting 46 attached to the main body chassis 13 so as to be capable of rotating.

  The wireless module 16 includes a receiving unit 50 that receives a wireless signal having a predetermined frequency, and a control unit 51 that outputs a dimming signal corresponding to the wireless signal received by the receiving unit 50 to the power supply unit 14 (power supply circuit 38). And a connection line 52 for electrically connecting the receiving unit 50 and the control unit 51. The wireless signal is a signal that controls the lighting state of the light emitting element 21, and includes dimming information. The receiving unit 50 includes an antenna that receives a radio signal, and sends the received signal to the control unit 51. The control unit 51 outputs a dimming signal such as a PWM signal corresponding to the signal input from the receiving unit 50 to the power supply unit 14 (power supply circuit 38).

  The receiving unit 50 of the wireless module 16 disposed in the lighting device 10 can be easily disposed in the lighting device 10, is not easily affected by heat from the light emitting module 11, and is disposed at a position where the reception intensity can be secured. Has been. This position is a position above the radiator 12 (radiating fin 27).

  If the position of the receiving unit 50 is higher than the radiator 12 (radiating fin 27), the position a of the upper surface of the main chassis 13 or the position b of the side surface, or the position c of the upper surface of the power supply unit 14 or the position of the side surface. d, or a position e on the lower surface of the installation portion 44 of the arm 15, a position f on the inner surface side of the side portion 45, a position g on the outer surface side, or the like.

  The position of the receiving unit 50 is preferably the position f on the inner surface side of the side portion 45 of the arm 15 so that it can be easily disposed on the lighting fixture 10, is not easily affected by the heat from the light emitting module 11, and ensures the receiving intensity. Or there is a position g on the outer surface side. Furthermore, the wiring distance between the receiving unit 50 and the control unit 51 is short, and considering the appearance, the receiving unit 50 is more difficult to see from the outside, and a more preferable position of the receiving unit 50 is the position of the arm 15 shown in this embodiment. There is a position f on the inner surface side of the side portion 45.

  On the other hand, since the control unit 51 is electrically connected to the receiving unit 50 and the power supply unit 14 (power supply circuit 38), it is preferable to dispose the control unit 51 at a position close to each of the receiving unit 50 and the power supply unit 14. For example, the inside of the power supply box 37 of the power supply unit 14 shown in the present embodiment is preferable. When arranged in the power supply box 37, a wiring hole 37 a through which the connection line 52 passes is formed in the power supply box 37.

  The control unit 51 may be disposed at each of the positions a to g where the receiving unit 50 is disposed together with the receiving unit 50. In this case, the receiving unit 50 and the control unit 51 may be integrated.

  FIG. 2 shows an illumination system using the luminaire 10. In the lighting system, for example, the lighting state of the lighting fixture 10 is operated by a terminal 56 including a portable terminal such as a tablet terminal or a smartphone.

  By operating the lighting state at the terminal 56, a radio signal having a predetermined first frequency is transmitted from the terminal 56, the controller 57 receives the radio signal, and the controller 57 receives a predetermined first frequency different from the first frequency. A radio signal having a frequency of 2 is transmitted, the radio signal is received by the receiving unit 50 of the lighting fixture 10, and the lighting state of the lighting fixture 10 is switched.

  And according to the luminaire 10 of the present embodiment, the receiver 50 of the wireless module 16 is disposed above the radiator 12 (radiating fins 27), so that the receiver 50 receives heat from the light emitting module 11. It is difficult to be affected, and the receiving intensity of the receiving unit 50 can be ensured.

  The receiving unit 50 may be disposed on any of the main chassis 13, the power supply unit 14, and the arm 15 as long as it is above the radiator 12 (radiating fins 27). By disposing the receiving unit 50, the receiving unit 50 is hardly affected by the heat from the light emitting module 11, the receiving strength of the receiving unit 50 can be secured, and the receiving unit 50 can be easily attached.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

10 Lighting equipment
11 Light emitting module
12 Heatsink
13 Chassis
14 Power supply
15 arms
21 Light emitting element
26 Light source mounting part
27 Radiation fin
32 Power supply mounting section
44 Installation section
45 Side
50 Receiver

Claims (2)

A light emitting module having a light emitting element;
A light source mounting portion for disposing the light emitting module on a lower surface, and a radiator having a plurality of heat radiation fins protruding from the upper surface of the light source mounting portion;
A main body chassis that has a power supply mounting portion that is disposed above the radiator so as to support the radiator;
A power supply unit disposed above the power supply mounting unit;
An installation section disposed with a space above the power supply section, and an arm having a pair of side parts provided at both ends of the installation section to support the main body chassis;
A receiving unit that is disposed above any of the main body chassis, the power supply unit, and the arm and receives a radio signal that controls the power supply unit above the radiator;
The lighting fixture characterized by comprising. The lighting device according to claim 1, wherein the receiving unit is disposed on the side portion of the arm.

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