JP2023148734A - Illuminating device - Google Patents

Abstract

To provide an illuminating device that can secure radio communication performance without impairing designability.SOLUTION: An illuminating device 10 comprises an appliance body 20 made of metal, a light source unit 12, a power supply part, and a radio communication part 46. The light source unit 12 comprises: a cover 40 of which one surface is provided with an opening part 50, having a box shape, and made of resin; a light source holding part 41 arranged in the cover 40, and made of metal; and a light source module 42 held by the light source holding part 41, and arranged in the cover 40; and is attached to the appliance body 20 in such a manner that the opening part 50 of the cover 40 is opposed thereto. The power supply part is arranged between the appliance body 20 and the light source holding part 41. The radio communication part 46 is arranged so as to be opposed to a side surface of the cover 40 between the appliance body 20 and the light source holding part 41.SELECTED DRAWING: Figure 4

Description

Embodiments of the present invention relate to lighting devices.

Conventionally, a device has a metal fixture body, a metal light source holder, a light source unit attached to the fixture body, and a power supply unit and a wireless communication unit disposed between the fixture body and the light source holder. There is a lighting device.

If the wireless communication unit is surrounded by the metal instrument body and the metal light source holder, wireless communication may be hindered. Furthermore, if holes are made in the fixture body or the like in consideration of wireless communication, the design of the lighting device will be impaired.

JP2020-167120A

The problem to be solved by the present invention is to provide a lighting device that can ensure wireless communication performance without impairing the design.

The lighting device of the embodiment includes a metal fixture body, a light source unit, a power supply section, and a wireless communication section. The light source unit includes a box-shaped resin cover with an opening on one side, a metal light source holder placed inside the cover, and a light source held by the light source holder and placed inside the cover. , and the opening of the cover is attached to the instrument body so as to face each other. The power source section is arranged between the instrument main body and the light source holder. The wireless communication section is arranged between the instrument main body and the light source holding section, facing the side surface of the cover.

According to the lighting device of the embodiment, it can be expected to ensure wireless communication performance without impairing the design.

FIG. 1 is an exploded perspective view of a lighting device showing one embodiment. It is an exploded perspective view of the lighting device same as the above. It is a side view with a part omitted when seen from the longitudinal direction of the lighting device same as the above. It is a sectional view of the lighting device same as the above.

Hereinafter, one embodiment will be described with reference to the drawings.

A lighting device 10 is shown in FIGS. 1 and 2. The lighting device 10 is a direct-mounted lighting device that is attached to an installed part such as a ceiling surface. The lighting device 10 is a slim lighting device that is elongated and has a width dimension in the width direction, which is a short direction intersecting the longitudinal direction, which is smaller than a height dimension in the height direction. In this embodiment, the lighting device 10 is assumed to be mounted on a ceiling surface, and corresponding to this mounting orientation, the front side, which is the light irradiation direction, of the lighting device 10 will be described as a lower surface side, and the back side will be described as an upper surface side.

The lighting device 10 includes a main unit 11 and a light source unit 12 that is detachably attached to the main unit 11.

The main body unit 11 includes a long metal instrument main body 20 that is a metal casing, a terminal block 21 that is attached near both ends of the instrument main body 20 in the longitudinal direction, and an attachment spring 22 that is an attached part. There is.

As shown in FIGS. 3 and 4, the main body 20 includes a top plate portion 24 having a component mounting surface 24a on one lower surface side, and a top plate portion 24 extending approximately U from both widthwise sides of the top plate portion 24 toward the top surface. It has a protrusion 25 that is bent so as to protrude in a square shape, and side plate parts 26 on both sides that are formed by the outer surfaces of the protrusion 25 on both sides. A groove 27 that opens toward the component mounting surface 24a of the top plate 24, which is the lower surface, is formed along the longitudinal direction inside the protrusion 25. The distal end side of the side plate part 26 projects downward from the component mounting surface 24a, and has a groove opening 27a in the groove 27 in a direction that narrows the opening width of the groove 27 between the component mounting surface 24a and the component mounting surface 24a. A presser portion 28 is formed that slopes toward the 27a side. The holding portions 28 on both sides are configured such that the width of the groove opening 27a that opens on the component mounting surface 24a side of the groove portion 27 is narrower than the width on the back side of the groove portion 27.

As shown in FIGS. 1 and 2, a mounting hole 29 for mounting on the ceiling, a power supply wiring hole 30, and a signal wiring hole 31 are provided near both longitudinal ends of the top plate portion 24. It is being An annular bush 32 made of resin, for example, is attached to the edges of the wiring holes 30 and 31.

The terminal block 21 is attached to the component attachment surface 24a at two locations in the longitudinal direction of the instrument body 20. A power line drawn from the outside into a power supply wiring hole 30 at one end of the appliance main body 20 is electrically connected to the terminal block 21 at one end during construction. The terminal block 21 on one end side and the terminal block 21 on the other end side are electrically connected by electric wires that are internal wiring. When another lighting device 10 is installed adjacently to the terminal block 21 on the other end side, a feed wiring for transmitting power is electrically connected. Note that the electric wire may be connected to the terminal block 21 on the other end side, and the feed wiring may be connected to the terminal block 21 on the one end side. The electric wire connecting the terminal block 21 on one end side and the terminal block 21 on the other end side is inserted into the groove part 27 on one side in the width direction of the instrument main body 20, and is wired inside the groove part 27 along the longitudinal direction. A main body side wiring unit having a connector at the tip of the electric wire is connected to one of the predetermined terminal blocks 21, and this main body side wiring unit is electrically connected to the light source side wiring unit of the light source unit 12.

Mounting spring 22 is shown in FIGS. 1-3. The mounting spring 22 is integrally formed of a metal leaf spring. The mounting spring 22 includes a mounting portion 34 that is mounted on the component mounting surface 24a of the instrument main body 20, and a pair of mounting portions 34 that are bent diagonally downward from opposite sides of the mounting portion 34 so that the distal ends thereof expand toward each other. The arm portion 35 is formed to have a substantially U-shaped cross section. On the distal end sides of the pair of arm parts 35, there are positioning parts 36 that are bent so as to protrude in opposition to each other, and positioning parts 36 that are bent diagonally downward so as to approach each other at the distal ends of the positioning parts 36. It has a holding part 37 and an inclined part 38 bent diagonally downward from the distal end side of the holding part 37 so as to separate from each other. The tip end side of the inclined part 38 is bent so as to be folded back toward the outer surface side of the inclined part 38.

Further, the light source unit 12 is shown in FIGS. 1 to 4. The light source unit 12 includes a cover 40 that is a resin housing, a light source holder 41 that is attached inside the cover 40, a light source module 42 that is a light source that is attached to the lower surface of the light source holder 41, and a light source holder 41 that is a light source that is attached to the lower surface of the light source holder 41. It includes a power source section 43, a spring receiving member (spring receiving fitting) 44, which is an attachment section, a plurality of correction fittings 45, and a wireless communication section 46, which are respectively attached to the upper surface side.

The cover 40 is made of resin, is elongated, and has an external shape in which the width in the width direction intersecting the longitudinal direction is smaller than the height in the height direction. The cover 40 has a front face part 47 which is a lower face part on one side in the height direction, side parts 48 on both sides in the width direction, and end face parts 49 at both ends in the longitudinal direction. An opening 50 is formed on the upper surface side. Therefore, the cover 40 has a substantially U-shaped cross section in both the longitudinal direction and the width direction.

The front side of the cover 40 , that is, the front side 47 , the side surface 48 , and the lower side of the end face 49 are formed into a transparent part 51 through which the light from the light source module 42 passes, and the rear side of the cover 40 , that is, the side face 48 and the end face The upper side of the portion 49 is formed as a non-transparent portion 52 through which light does not pass. The cover 40 is integrally formed with a transparent part 51 and a non-transparent part 52 by two-color molding of different resin materials.

The dimension between the inner sides of the side surfaces 48 on both sides of the cover 40, that is, the dimension in the width direction of the opening 50 is wider than the width dimension in the width direction of the instrument main body 20, and the dimension between the inner sides of the end surfaces 49 on both ends of the cover 40. That is, the longitudinal dimension of the opening 50 is longer than the longitudinal dimension of the instrument main body 20, and the instrument main body 20 is configured to be able to fit into the opening 50. The opening 50 of the cover 40 is fitted around the instrument main body 20, so that the cover 40 and the instrument main body 20 are positioned relative to each other in the longitudinal direction and the width direction.

On the inner surface of the side surface portions 48 on both sides of the cover 40, a light source attachment portion 53 to which the light source holding portion 41 is attached is provided on the lower side of the opaque portion 52. On the upper end side of the inner surface of the side surface portions 48 on both sides of the cover 40, opposing intervals in the width direction are inclined so as to become wider toward the upper end side, that is, to expand toward the upper opening direction. An opening inclined portion 54 is provided. Engagement portions 55 with which correction fittings 45 engage are formed between the light source attachment portions 53 and the opening inclined portions 54 on the side surfaces 48 on both sides of the cover 40 .

The light source holding part 41 is made of metal, for example, and is formed into a long plate shape. The light source holding part 41 is disposed inside the cover 40 with both sides in the width direction attached to the light source mounting parts 53 on both sides.

A light source module 42 is attached to the lower surface side of the light source holder 41. A substantially L-shaped support portion 56 that supports one side of the light source module 42 in the width direction is provided on one side in the width direction on the lower surface side of the light source holding portion 41 . A plurality of screws 57 for screwing the other side of the light source module 42 in the width direction are screwed onto the other side of the lower surface side of the light source holding part 41 in the width direction. A stepped screw is used as the screw 57. The support portion 56 and the plurality of screws 57 do not fix the light source module 42, but support the light source module 42 so as to allow movement within a supportable range.

The light source module 42 includes a long substrate 59 and a plurality of light emitting elements 60 mounted on the front surface of the substrate 59 at predetermined intervals along the longitudinal direction. The light emitting element 60 is a semiconductor light emitting element such as an LED or an organic EL. Both sides of the substrate 59 in the width direction are attached to the lower surface side of the light source holding part 41 by means of a support part 56 and screws 57.

FIG. 2 shows the power supply section 43. The power supply section 43 is attached to the upper surface side of the light source holding section 41 with screws. The power supply section 43 is arranged inside the cover 40. The power supply section 43 converts external power input through the terminal block 21 into lighting power necessary for lighting the light emitting element 60 of the light source module 42 and supplies the lighting power to the light source module 42 . Further, the power supply unit 43 is electrically connected to the wireless communication unit 46 by electric wire, supplies operating power to the wireless communication unit 46, inputs a dimming signal received by the wireless communication unit 46, and controls the light emitting element 60. Control brightness. A light source side wiring unit having a connector at the tip of the electric wire is connected to the power supply section 43, and this light source side wiring unit is electrically connected to the main body side wiring unit of the appliance body 20.

As shown in FIGS. 2 and 3, the spring bearing member 44 is integrally formed of a metal plate. The spring receiving member 44 has a substantially rectangular spring receiving plate portion 62 and a pair of mounting plate portions 63 that are bent downward from one opposing side of the spring receiving plate portion 62 . A pair of notch-shaped spring receiving grooves 64 are provided on the other opposing both sides of the spring receiving plate portion 62 in the widthwise central region of the both sides. The mounting plate section 63 is attached to the upper surface side of the light source holding section 41 by screws.

The correction fitting 45 is made of a metal plate and has a substantially U-shaped cross section. The correction fitting 45 is screwed and attached to the upper surface of the light source holding part 41, with both ends thereof being engaged with engaging parts 55 provided on the side surfaces 48 on both sides of the cover 40. The correction fittings 45 are attached to multiple locations in the longitudinal direction of the cover 40 to prevent the gap between the side surfaces 48 on both sides of the cover 40 from increasing and to maintain the attached state of the cover 40 and the light source holder 41. It is composed of

Further, the wireless communication section 46 is shown in FIGS. 2 and 4. The wireless communication section 46 is arranged between the instrument main body 20 and the light source holding section 41, facing the side surface section 48 of the cover 40. The wireless communication section 46 is disposed at one end of the light source unit 12 in the longitudinal direction, between the power supply section 43, the spring receiving member 44, and the terminal block 21, and the mounting hole 29 and the wiring holes 30, 31 of the device main body 20. , is attached to the upper surface of the light source holding part 41 by screwing. The wireless communication unit 46 is disposed between the instrument main body 20 and the light source holding unit 41 so as to face three sides of the cover 40, including the side surfaces 48 and the end surface 49 on both sides.

The wireless communication unit 46 transmits and receives wireless signals using radio waves as a medium between communication terminals such as remote controllers and the wireless communication units 46 of other lighting devices 10. By wireless communication, group control or scene control such as dimming light depending on the scene for each group made up of a plurality of lighting devices 10 is possible.

The wireless communication unit 46 is connected to the power supply unit 43 by an electric wire, receives operating power from the power supply unit 43, and is capable of communicating with the power supply unit 43. The wireless communication unit 46 includes a wireless communication circuit that performs wireless communication, an antenna that is connected to the wireless communication circuit to transmit and receive wireless signals, and a wireless communication circuit that controls the wireless communication circuit. A control unit that communicates with the power supply unit 43 is housed therein.

To install the lighting device 10, a power wire drawn out from the ceiling is passed through the wiring hole 30 at one end of the fixture body 20, and the fixture body 20 is attached to the ceiling using a screw inserted through the mounting hole 29.

The power wire passed through the wiring hole 30 is routed from the wiring hole 30 toward the terminal block 21 along the component mounting surface 24a of the appliance main body 20, and is electrically connected to the terminal block 21.

While lifting the light source unit 12, electrically connect the connector of the main body side wiring unit connected to the terminal block 21 from the device main body 20 side and the connector of the light source side wiring unit connected to the power supply section 43 from the light source unit 12 side. Connect to

The light source unit 12 is pushed up toward the instrument main body 20 while aligning the opening 50 of the cover 40 of the light source unit 12 with the periphery of the instrument main body 20. By pushing up the light source unit 12 toward the instrument main body 20, the attachment spring 22 of the instrument main body 20 and the spring receiving member 44 of the light source unit 12 are engaged, and the light source unit 12 is attached to the instrument main body 20.

Further, by supplying external power to the power source section 43, the power source section 43 converts the external power into predetermined lighting power and supplies it to the light source module 42, so that the light emitting element 60 of the light source module 42 lights up. The light from the light emitting element 60 passes through the cover 40 and is emitted to the outside.

Heat generated by the light emitting element 60 during lighting is transmitted to the metal light source holder 41 and radiated.

Further, when the lighting device 10 receives a wireless signal transmitted from a communication terminal or the like by the wireless communication unit 46, the received signal is sent to the power supply unit 43, and the power supply unit 43 performs dimming control. Furthermore, when the lighting device 10 transfers the signal received by the wireless communication unit 46 to another lighting device 10, the lighting device 10 transmits the wireless signal from the wireless communication unit 46.

When receiving and transmitting wireless signals by the wireless communication unit 46, the wireless communication unit 46 is disposed between the metal instrument main body 20 and the metal light source holder 41; Since the side surface portion 48 of the cover 40 made of resin is disposed on the side surface between the main body 20 and the metal light source holder 41, good wireless communication is possible through the side surface portion 48 of the cover 40.

In the lighting device of the embodiment, the wireless communication section 46 is arranged between the metal fixture body 20 and the metal light source holding section 41, facing the side surface 48 of the resin cover 40. Therefore, wireless communication performance can be ensured without providing holes or the like in the metal part, that is, without impairing the design.

Furthermore, the wireless communication unit 46 is arranged between the instrument main body 20 and the light source holding unit 41 to face three sides of the side surface portions 48 and the end surface portions 49 on both sides of the cover 40, thereby improving wireless communication. Performance can be ensured.

Note that the wireless communication section 46 is arranged closer to the end than the wiring holes 30 and 31 of the device main body 20, and is arranged closer to the three sides of the side surface 48 and the end surface 49 on both sides of the cover 40. You may. In this case, in addition to the side surfaces 48 on both sides of the cover 40, the reception and transmission of wireless signals from the end surface portions 49 becomes better, and higher wireless communication performance can be ensured.

Although several embodiments of the 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, substitutions, and changes can be made without departing from the gist of the invention. These embodiments and their modifications are included within the scope and gist of the invention, as well as within the scope of the invention described in the claims and its equivalents.

Reference Signs List 10 lighting device 12 light source unit 20 fixture body 40 cover 41 light source holder 42 light source module as a light source 43 power supply unit 46 wireless communication unit 50 opening

Claims (2)

A metal instrument body;
A box-shaped resin cover with an opening on one side, a metal light source holder disposed within the cover, and a light source held by the light source holder and disposed within the cover. a light source unit, wherein the opening of the cover is attached to the instrument main body so as to face each other;
a power supply section disposed between the instrument main body and the light source holding section;
a wireless communication unit disposed between the instrument main body and the light source holder, facing a side surface of the cover;
A lighting device comprising: The lighting device according to claim 1, wherein the wireless communication unit is disposed between the appliance main body and the light source holding unit, facing three sides of the cover, including both side faces and an end face.

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