JP2020053345A - Lighting device and lighting module - Google Patents

Abstract

To achieve down-sizing while incorporating a wireless control unit.SOLUTION: A lighting device according to the embodiment includes: a light source; a power supply device; a longitudinal housing made from metal; a wireless control unit; and an end cover. The power supply device converts power supplied from an AC current and supplies it to the light source. The wireless control unit receives an external wireless signal and transmits a dimmer signal to the power supply device based on the wireless signal. The end cover is provided at the end in a longitudinal direction of the housing among the covers covering the light source, and at least a part of the wireless control unit is stored therein.SELECTED DRAWING: Figure 3

Description

  Embodiments described herein relate generally to a lighting device and a lighting module.

  2. Description of the Related Art Conventionally, for example, a lighting device capable of communicating with a terminal device or the like by wireless communication has been known.

JP-A-2006-72125

  However, in the above-described conventional technology, when a wireless control unit that receives a wireless signal from the outside and transmits a dimming signal to the power supply device based on the wireless signal is built in, it is difficult to reduce the size of the lighting device. there were.

  The problem to be solved by the present invention is to provide a lighting device and a lighting module that can achieve downsizing while incorporating a wireless control unit.

  The lighting device according to the embodiment includes a light source, a power supply device, a longitudinal housing made of metal, a wireless control unit, and an end cover. The power supply device converts power supplied from the alternating current and supplies the power to the light source. The wireless control unit receives a wireless signal from the outside and transmits a dimming signal to the power supply device based on the wireless signal. The end cover is provided at a longitudinal end of the housing of the cover that covers the light source, and houses at least a part of the wireless control unit.

  According to the present invention, downsizing can be realized while incorporating a wireless control unit.

FIG. 1 is a block diagram illustrating an example of a functional configuration of the lighting device according to the embodiment. FIG. 2 is a perspective view illustrating an example of a lighting device according to the embodiment. FIG. 3 is an enlarged perspective view illustrating an example of the lighting device according to the embodiment. FIG. 4 is a sectional view taken along line AA shown in FIG. FIG. 5 is a sectional view taken along line BB shown in FIG. FIG. 6 is a block diagram illustrating an example of a functional configuration of a lighting device according to a modified example of the embodiment. FIG. 7 is a cross-sectional view illustrating an example of a lighting device according to a modification of the embodiment.

  A lighting device 1 according to an embodiment described below includes a light source 10, a power supply device 20, a longitudinal housing 40 made of metal, a wireless control unit 30, and an end cover 60. . The power supply device 20 converts the power supplied from the alternating current and supplies the power to the light source 10. The wireless control unit 30 receives a wireless signal from the outside, and transmits a dimming signal to the power supply device 20 based on the wireless signal. The end cover 60 is provided at a longitudinal end of the housing 40 of the cover that covers the light source 10 and houses at least a part of the wireless control unit 30.

  In the lighting device 1 according to the embodiment described below, the wireless control unit 30 includes a control unit 31 that controls the power supply device 20 and an antenna 32 that receives a wireless signal. 60.

  Further, in the lighting device 1 according to the embodiment described below, the housing 40 has the concave portion 41 that accommodates the power supply device 20, and the antenna 32 is disposed outside the concave portion 41.

  In the lighting device 1 according to the embodiment described below, at least a part of the control unit 31 is housed in the recess 41.

  In the lighting device 1 according to the embodiment described below, the wireless control unit 30 includes a power supply connector 35 that supplies power from the power supply device 20 to the light source 10.

  The lighting module according to the embodiment described below includes a light source 10, a power supply device 20, a wireless control unit 30, and an end cover 60. The power supply device 20 converts the power supplied from the alternating current and supplies the power to the light source 10. The wireless control unit 30 receives a wireless signal from the outside, and transmits a dimming signal to the power supply device 20 based on the wireless signal. The end cover 60 is provided at a longitudinal end of the housing 40 of the cover that covers the light source 10 and houses at least a part of the wireless control unit 30.

  Hereinafter, a lighting device 1 and a lighting module according to an embodiment will be described with reference to the drawings. In the embodiment, the same portions are denoted by the same reference numerals, and overlapping description will be omitted.

[Embodiment]
First, a functional configuration of a lighting device 1 according to the embodiment will be described with reference to FIG. FIG. 1 is a block diagram illustrating an example of a functional configuration of a lighting device 1 according to the embodiment. As shown in FIG. 1, a lighting device 1 is connected to an AC power supply 2 and illuminates the surroundings using electric power supplied from the AC power supply 2. AC power supply 2 is, for example, a commercial power supply.

  As shown in FIG. 1, the lighting device 1 includes a light source 10, a power supply device 20, and a wireless control unit 30. The light source 10 is a kind of load, and includes, for example, an LED (Light Emitting Diode) element and an organic EL (Electro-Luminescence) element.

  The power supply device 20 converts the power supplied from the AC power supply 2 into a predetermined power, and supplies the converted power to the light source 10. The power supply device 20 converts, for example, AC power supplied from the AC power supply 2 into predetermined DC power, and supplies the DC power to the light source 10.

  The wireless control unit 30 receives a wireless signal from the outside, and transmits a dimming signal to the power supply device 20 based on the wireless signal. The dimming signal is a signal for performing dimming control of the light source 10, and is, for example, a PWM signal, a DALI (Digital Addressable Lighting Interface) signal, or a signal for phase control.

  The wireless control unit 30 includes a control unit 31, an antenna 32, an infrared sensor 33, and a connector. The control unit 31 controls the power supply device 20. The control unit 31 generates a dimming signal based on, for example, an external wireless signal, and transmits the dimming signal to the power supply device 20. The control unit 31 includes control components such as a microcomputer (microcontroller or microcomputer) and a processor, for example.

  Further, the control unit 31 detects an output of the light source 10 based on a current value and a voltage value in the electric wiring returning from the light source 10 to the power supply device 20. Then, based on the detection result, the control unit 31 performs feedback control so that the output of the light source 10 becomes constant at a predetermined output.

  The antenna 32 receives a radio signal from the outside. The antenna 32 receives, for example, a radio signal transmitted from the external terminal device 3. The wireless signal includes, for example, a signal instructing light control of the light source 10.

  The infrared sensor 33 receives an infrared signal from the outside. The infrared sensor 33 receives, for example, an infrared signal transmitted from the external infrared remote controller 4. The infrared signal includes, for example, a signal for controlling ON / OFF of the light source 10.

  The connector 34 is a connector to which electric wiring and signal wiring connecting between the power supply device 20 and the wireless control unit 30 are connected.

  Subsequently, a configuration of the lighting device 1 according to the embodiment will be described with reference to FIGS. FIG. 2 is a perspective view illustrating an example of the lighting device 1 according to the embodiment, FIG. 3 is an enlarged perspective view illustrating an example of the lighting device 1 according to the embodiment, and FIG. It is arrow sectional drawing of the -A line.

  Note that, for easy understanding, the illustration of the housing 40 is omitted in FIG. 2, and the light source 10 (see FIG. 5), the power supply device 20 (see FIG. 5), the chassis 70 (see FIG. (Refer to FIG. 5) is omitted. In FIG. 3, the illustration of the front cover 50 in the vicinity of the end cover 60 is also omitted.

  As shown in FIGS. 2 and 3, the lighting device 1 includes a housing 40, a front cover 50, and end covers 60 and 61. The light source 10, the power supply device 20, and the wireless control unit 30 are housed in an internal space defined by the housing 40, the front cover 50, and the end covers 60 and 61.

  The housing 40 is a long member made of metal and extending in a predetermined direction. The housing 40 has a substantially W-shape in cross section, and a concave portion 41 is formed in a central portion of the housing 40.

  The front cover 50 is a longitudinal member made of resin and extending along the longitudinal direction of the housing 40. Further, the front cover 50 has a substantially C-shape in a cross-sectional view.

  The front cover 50 entirely covers the plurality of light sources 10 arranged side by side along the longitudinal direction of the housing 40 from the front. The front cover 50 is made of, for example, a white resin, and can transmit light emitted from the covered plurality of light sources 10 to the outside.

  The end covers 60 and 61 are made of resin, and are disposed at both ends in the longitudinal direction of the housing 40. The end covers 60 and 61 have shapes corresponding to the cross-sectional shape of the front cover 50.

  The end covers 60 and 61 cover the light sources 10 arranged at both ends in the longitudinal direction of the housing 40 from the side. The end covers 60 and 61 are made of, for example, white resin, and can transmit light emitted from the covered light source 10 to the outside.

  Here, in the embodiment, as shown in FIGS. 3 and 4, at least a part of the wireless control unit 30 is housed in the end cover 60, and the end cover 60 and the wireless control unit 30 are integrated. I have.

  Thereby, the wireless control unit 30 can be arranged in an empty space in the lighting device 1. Therefore, according to the embodiment, downsizing can be realized in the lighting device 1 including the wireless control unit 30.

  In the embodiment, the wireless control unit 30 and the end cover 60 can be attached at once by integrating the wireless control unit 30 and the end cover 60 into one unit. Can be simplified. Therefore, according to the embodiment, the manufacturing cost of the lighting device 1 can be reduced.

  In the embodiment, as shown in FIG. 4 and the like, at least the antenna 32 and the infrared sensor 33 of the wireless control unit 30 may be housed in the end cover 60. In other words, the antenna 32 and the infrared sensor 33 are preferably arranged outside the recess 41 in the housing 40.

  This allows the antenna 32 and the infrared sensor 33 to receive a radio signal or an infrared signal transmitted from outside without being interrupted by the metal casing 40. Therefore, according to the embodiment, the reception sensitivity of a wireless signal or an infrared signal can be improved.

  In addition, since the end cover 60 and the front cover 50 are made of resin, a wireless signal or an infrared signal transmitted from the outside can be passed without any problem.

  In the embodiment, as shown in FIG. 4, at least a part of the control unit 31 of the wireless control unit 30 may be housed in the recess 41 of the housing 40. In this way, by surrounding the control unit 31 with the metal housing 40, it is possible to suppress noise or the like generated in the control unit 31 from leaking to the outside.

  FIG. 5 is a sectional view taken along line BB shown in FIG. As shown in FIG. 5, the power supply device 20 is housed in the recess 41 of the housing 40. The power supply device 20 housed in the recess 41 is covered with a metal chassis 70. By surrounding the power supply device 20 with the metal housing 40 and the chassis 70 in this manner, it is possible to suppress noise or the like generated in the power supply device 20 from leaking to the outside.

  A board 80 is provided on the chassis 70 opposite to the side on which the power supply device 20 is provided, and the light source 10 is mounted on the board 80. On the substrate 80, an electric wiring or the like connecting the power supply device 20 and the light source 10 is formed. The substrate 80 and the light source 10 are covered with a front cover 50.

  In the embodiment described so far, an example is shown in which the wireless control unit 30 is provided with the infrared sensor 33. However, the wireless control unit 30 may not be provided with the infrared sensor 33.

  In the above-described embodiment, an example in which a part of the wireless control unit 30 is housed in the end cover 60 has been described. However, the entire wireless control unit 30 may be housed in the end cover 60. In the above embodiment, the lighting device 1 including the housing 40 has been described. However, the embodiment may be applied to a lighting module not including the housing 40.

[Effects of Embodiment]
As described above, in the lighting device 1 according to the embodiment, at least a part of the wireless control unit 30 is housed in the end cover 60, and the end cover 60 and the wireless control unit 30 are integrated. For this reason, the lighting device 1 according to the embodiment can achieve downsizing while incorporating the wireless control unit 30.

[Modification]
Hereinafter, a modified example of the embodiment will be described with reference to FIGS. 6 and 7. FIG. 6 is a block diagram illustrating an example of a functional configuration of a lighting device 1 according to a modification of the embodiment. FIG. 7 is a cross-sectional view illustrating an example of the lighting device 1 according to a modification of the embodiment. FIG. 7 is a drawing corresponding to FIG. 4 of the embodiment.

  As shown in FIGS. 6 and 7, the lighting device 1 according to the modification differs from the embodiment in that the wireless control unit 30 is provided with a power supply connector 35. As shown in FIG. 6, the power supply connector 35 is a connector that supplies power from the power supply device 20 to the light source 10.

  The power supply connector 35 is, for example, a pass-through connector that supplies power from the power supply device 20 to the light source 10 as it is. In addition, as shown in FIG. 7, the power supply connector 35 is arranged, for example, adjacent to the connector 34.

  Thus, in the modified example, the power supply connector 35 is provided in the wireless control unit 30 in addition to the connector 34. Thereby, a predetermined wiring is connected to the connector 34 to connect the power supply device 20 to the wireless control unit 30, and a predetermined wiring is connected to the power supply connector 35 to connect the power supply device 20 to the light source 10. Can be performed at a time while visually recognizing the wireless control unit 30.

  Therefore, according to the modified example, since the assembling process of the lighting device 1 can be simplified, the manufacturing cost of the lighting device 1 can be reduced.

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

DESCRIPTION OF SYMBOLS 1 Illumination device 2 AC power supply 3 Terminal device 4 Infrared remote control 10 Light source 20 Power supply device 30 Wireless control unit 31 Control part 32 Antenna 33 Infrared sensor 34 Connector 35 Power supply connector 40 Housing 41 Recess 50 Front cover 60, 61 End cover 70 Chassis 80 board

Claims (6)

A light source;
A power supply device that converts power supplied from an alternating current and supplies the power to the light source;
A longitudinal housing made of metal;
A wireless control unit that receives a wireless signal from the outside and transmits a dimming signal to the power supply device based on the wireless signal;
An end cover provided at a longitudinal end of the housing of the cover for covering the light source and accommodating at least a part of the wireless control unit;
A lighting device comprising: The wireless control unit includes a control unit that controls the power supply device, and an antenna that receives the wireless signal,
The lighting device according to claim 1, wherein the antenna is housed in the end cover. The housing has a recess for accommodating the power supply device,
The lighting device according to claim 2, wherein the antenna is arranged outside the concave portion. The lighting device according to claim 3, wherein at least a part of the control unit is housed in the recess. The lighting device according to any one of claims 1 to 4, wherein the wireless control unit includes a power supply connector that supplies power from the power supply device to the light source. A light source;
A power supply device that converts power supplied from an alternating current and supplies the power to the light source;
A wireless control unit that receives a wireless signal from the outside and transmits a dimming signal to the power supply device based on the wireless signal;
An end cover that is provided at a longitudinal end of a housing of the cover that covers the light source and that accommodates at least a part of the wireless control unit;
A lighting module comprising: