JP2019102290A - Lighting device - Google Patents

Abstract

To provide a lighting device which can inhibit vibration caused by sound from a speaker from affecting a lighting part.SOLUTION: In a lighting device 1, an acoustic part 40 having a speaker 41 and a lighting part 20 are integrally provided in a device body 2. The device body 2 has an opening (a first opening 20a), and a centroid of the speaker 41 is disposed in the opening when the opening is viewed in a plan view.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a lighting device provided with a lighting unit and a sound unit.

  Conventionally, for example, a lighting device provided with a lighting unit and a sound unit is known (see, for example, Patent Document 1). In such a lighting device, the lighting unit and the sound unit are integrated and attached to the ceiling.

JP, 2014-99369, A

  By the way, when the lighting unit and the sound unit are integrated, the lighting unit may vibrate due to the sound output from the speaker of the sound unit. The vibration of the illumination unit shakes the illumination light, giving the user a sense of discomfort.

  Therefore, an object of the present invention is to provide a lighting device capable of suppressing that the vibration caused by the sound from the speaker affects the lighting unit.

  In order to achieve the above object, one aspect of a lighting device according to the present invention is a lighting device in which a sound unit having at least one speaker and a lighting unit are integrally provided to a device main body, The device body has an opening, and the center of gravity of at least one speaker is disposed in the opening when the opening is viewed in plan.

  Further, another aspect of the lighting device according to the present invention is a lighting device in which a sound unit having a speaker and a lighting unit are integrally provided to a device main body, and the device main body has an opening. The center of gravity of the lighting device is disposed in the opening when the opening is viewed in plan.

  According to the present invention, it is possible to suppress that the vibration caused by the sound from the speaker affects the illumination unit.

FIG. 1 is a perspective view showing a lighting device according to the embodiment. FIG. 2 is an exploded perspective view showing the lighting apparatus according to the embodiment. FIG. 3 is a partial cross-sectional view of the lighting device, as viewed from the cross section including the line III-III in FIG. FIG. 4 is an explanatory view showing the acoustic part in a state in which the cover according to the embodiment is removed. FIG. 5 is a plan view of a lighting device showing a schematic configuration of a pair of lens covers according to the embodiment. FIG. 6 is an exploded perspective view showing a schematic configuration of a second accommodation unit according to the embodiment and each member accommodated in the second accommodation unit. FIG. 7 is a plan view showing a schematic configuration of a second accommodation unit according to the embodiment and each member accommodated in the second accommodation unit. FIG. 8 is a side view showing the positional relationship between the first wireless module and the lens cover according to the embodiment.

  Embodiments will be described below with reference to the drawings. The embodiment described below shows one specific example of the present invention. Therefore, numerical values, shapes, materials, components, arrangement positions and connection forms of the components, and the like described in the following embodiments are merely examples, and are not intended to limit the present invention. Therefore, among the components in the following embodiments, components that are not described in the independent claims indicating the highest concept of the present invention are described as optional components.

  Each figure is a schematic view, and is not necessarily illustrated strictly. Further, in the drawings, substantially the same configurations are denoted by the same reference numerals, and overlapping descriptions may be omitted or simplified.

[Whole structure of lighting device]
FIG. 1 is a perspective view showing a lighting device 1 according to the embodiment. FIG. 2 is an exploded perspective view showing the lighting device 1 according to the embodiment. FIG. 3 is a partial cross-sectional view of the lighting device 1 as seen from the cross section including the line III-III in FIG.

  Here, the lateral direction of the device body 2 of the illumination device 1 is defined as the X axis direction, the longitudinal direction of the device body 2 is defined as the Y axis direction, and the direction orthogonal to the X axis direction and the Y axis direction is Z It is defined as the axial direction. Further, the first light guide plate 3 side with respect to the device body 2 is defined as the X axis plus direction, the first wireless module 46 side with respect to the first opening 20 a of the illumination unit 20 is defined as the Y axis plus direction The construction material side to be attached is defined as the Z-axis plus direction. In the present embodiment, for convenience of explanation, the Z-axis direction will be described as the vertical direction, but depending on the usage of the lighting device 1, the Z-axis direction may not be the vertical direction.

  As shown in FIG.1 and FIG.2, the illuminating device 1 is equipped with the light-guide plate of an edge light system, and is being fixed to construction materials, such as a ceiling and a wall. Specifically, the lighting device 1 is fixed in a state of being electrically connected to an external power source such as a hooking ceiling 11 disposed on a construction material.

  The illumination device 1 includes a device body 2, a first light guide plate 3, a second light guide plate 4, a first light shielding member 5, a second light shielding member 6, a light transmitting cover 7, and a pair of support members 8. Is equipped.

  The device body 2 is a box-like body elongated in the Y-axis direction. The device body 2 includes an exterior cover 12, a pair of acoustic units 40, an illumination unit 20, a pair of lens covers 23, an illumination control unit 13, an illumination power supply unit 15, an acoustic control unit 16, and an acoustic power supply unit And 17.

  As shown in FIG. 2, the exterior cover 12 is a rectangular box elongated in the Y-axis direction, and is opened in the Z-axis plus direction and the Z-axis minus direction. Specifically, the entire exterior cover 12 is open on the Z-axis negative direction side, and the central portion is open in a substantially rectangular shape on the Z-axis positive direction side.

  Further, the exterior cover 12 includes an acoustic unit 40, a lighting unit 20, a first wireless module 46, a second wireless module 47, a first light shielding member 5, a second light shielding member 6, a lighting control unit 13, a lighting power supply unit 15, The sound control unit 16 and the sound power supply unit 17 are accommodated. The exterior cover 12 is an outer cover of the lighting device 1.

[Sound unit]
The sound unit 40 includes a pair of speakers 41 (see FIG. 4) and a pair of cover bodies 42 that individually cover the pair of speakers 41. The pair of speakers 41 and the pair of cover bodies 42 are provided at both ends in the Y-axis direction of the exterior cover 12. The pair of speakers 41 and the pair of cover bodies 42 are, in the Y-axis direction, the illumination unit 20, the first light shielding member 5, the second light shielding member 6, the illumination control unit 13, the illumination power supply unit 15, the acoustic control unit 16, and the acoustic power supply It is arrange | positioned across the part 17. Each of the pair of cover bodies 42 has a flat plate shape, and is attached to the exterior cover 12 in an inclined posture such that the bottom surface faces outward when viewed from the X-axis direction. The pair of speakers 41 is attached to the exterior cover 12 in an inclined posture corresponding to the corresponding cover body 42. Specifically, the directional center of the speaker 41 is parallel to the normal direction of the bottom surface of the cover body 42. Here, the directional center is the central direction of the directivity of the speaker 41, that is, the central direction of the spread of the sound of the speaker 41.

  The sound control unit 16 and the sound power supply unit 17 are electrically connected to the pair of speakers 41 via a cable (not shown). The pair of speakers 41 is supplied with power from the acoustic power supply unit 17, and outputs sound under the control of the acoustic control unit 16.

  FIG. 4 is an explanatory view showing the sound unit 40 in a state where the cover body 42 according to the embodiment is removed. In FIG. 4, the acoustic section 40 is viewed from the normal direction of the cover body 42 and is inclined with respect to the Z-axis direction.

  As shown in FIG. 4, the speaker 41 has a substantially rectangular shape in a plan view, and among the four sides, three sides are disposed close to the inner wall surface of the exterior cover 12. A shock absorbing material 43 is provided between the three sides of the speaker 41 and the inner wall surface of the exterior cover 12. In FIG. 4, the cushioning material 43 is illustrated by hatching. As the shock absorbing material 43, any material can be adopted as long as it can absorb the vibration of the speaker 41. The cushioning material 43 is formed of, for example, an elastic body such as rubber or urethane. The vibration generated by the speaker 41 outputting a sound is absorbed by the buffer 43. Therefore, the vibration caused by the speaker 41 is transmitted to the exterior cover 12, the illumination unit 20 housed in the exterior cover 12, and the first light guide plate 3 and the second light guide plate 4 supported by the illumination unit 20. Is being suppressed.

[Lighting section]
The illumination unit 20 has a rectangular shape elongated in the Y-axis direction. That is, the longitudinal direction of the illumination unit 20 is the Y-axis direction. The illumination unit 20 has a circular first opening 20a at a central portion. The first opening 20a is an attachment opening, and the lighting unit 20 is attached to the ceiling 11 by hooking through the first opening 20a. Thereby, the lighting unit 20 and the hooking ceiling 11 are electrically connected. The illumination unit 20 also includes a pair of light emitting modules 21 and a housing 25.

[Light emitting module]
As shown in FIG. 2, the pair of light emitting modules 21 is fixed to the housing 25 by fastening members 19 such as screws. Specifically, the pair of light emitting modules 21 is disposed on the Y-axis plus direction side and the Y-axis minus direction side with respect to the first opening 20 a so as to sandwich the first opening 20 a. Although two light emitting modules 21 are used in the present embodiment, one light emitting module 21 may be used.

  As shown in FIGS. 2 and 3, the light emitting module 21 includes a substrate 120, a plurality of first light sources 121, a plurality of second light sources 122, and a plurality of wiring members 120a.

  The substrate 120 is in the form of a rectangular plate elongated in the Y-axis direction. A plurality of first light sources 121 and a plurality of second light sources 122 are mounted on the substrate 120. The substrate 120 is installed in the housing 25 of the illumination unit 20 so as to be substantially parallel to the X-Y plane. On the substrate 120, a wiring member 120a for feeding power to the plurality of first light sources 121 and the plurality of second light sources 122 is fixed. The substrate 120 is electrically connected to the illumination control unit 13 and the illumination power supply unit 15 via a cable (not shown) connected to the wiring member 120 a. In the present embodiment, the wiring member 120 a is disposed between the first light source 121 and the second light source 122.

  The substrate 120 may be thermally connected to a heat dissipation unit (not shown) so as to dissipate heat generated by the first light source 121 and the second light source 122. The heat dissipation unit may be thermally connected to the exterior cover 12 or may function as the heat sink.

  The plurality of first light sources 121 are arranged on the substrate 120 in a matrix form elongated in the Y-axis direction. Some of the plurality of second light sources 122 are arranged along the Y-axis direction on the X-axis plus direction side with respect to the plurality of first light sources 121. On the other hand, the plurality of other second light sources 122 are arranged along the Y-axis direction on the side of the first light source 121 with respect to the negative X-axis direction. In other words, with respect to the plurality of first light sources 121, the plurality of second light sources 122 arranged in the X-axis plus direction side and the plurality of second light sources 122 arranged in the X-axis minus direction side are plural Are arranged on the substrate 120 so as to sandwich the first light source 121.

  The first light source 121 and the second light source 122 emit light in the Z-axis negative direction because the light emission direction is in the Z-axis negative direction. The emission direction of light, that is, the optical axis of each of the first light source 121 and the second light source 122 is substantially parallel to the Z-axis direction.

  The 1st light-guide plate 3 is arrange | positioned at the radiation | emission direction side of the light of the some 2nd light source 122 arranged in the X-axis plus direction side. Further, the second light guide plate 4 is disposed on the emission direction side of the light of the plurality of second light sources 122 arranged in the X axis minus direction side. The second light source 122 on the positive side in the X-axis direction emits light to the incident surface of the first light guide plate 3. In addition, the second light source 122 on the X axis negative direction side irradiates light to the incident surface of the second light guide plate 4. The second light sources 122 are arranged on the substrate 120 such that the light emission direction is in the negative Z-axis direction. Specifically, the second light source 122 on the X-axis plus direction side is disposed such that the optical axis is substantially orthogonal to the incident surface of the first light guide plate 3 so as to face the incident surface. In addition, the second light source 122 on the X axis negative direction side is disposed such that the optical axis is substantially orthogonal to the incident surface of the second light guide plate 4 so as to face the incident surface. That is, the second light source 122 is in a substantially perpendicular relationship with the incident surface of each of the first light guide plate 3 and the second light guide plate 4.

  In addition, a gap is provided between the second light source 122 and the first light guide plate 3 and the second light guide plate 4 so that the second light source 122 and the first light guide plate 3 and the second light guide plate 4 do not contact. ing.

  The first light source 121 and the second light source 122 are so-called SMD (Surface Mount Device) type LED elements. Specifically, the SMD type LED element is a package type LED element in which an LED chip (light emitting element) is mounted in a resin-molded cavity and a phosphor-containing resin is enclosed in the cavity. For example, surface-mounted LED elements that emit white light by a combination of a blue LED chip and a yellow phosphor-containing resin are employed as the first light source 121 and the second light source 122.

  The first light source 121 and the second light source 122 are controlled by the illumination control unit 13 to perform lighting and extinguishing. In addition, the first light source 121 and the second light source 122 are controlled by the illumination control unit 13 to perform light adjustment and color adjustment.

  The first light source 121 and the second light source 122 are not limited to such a configuration, and a COB (Chip On Board) type module in which an LED chip is directly mounted on the substrate 120 may be used. . The light emitting elements included in the first light source 121 and the second light source 122 are not limited to LEDs, and for example, semiconductor light emitting elements such as semiconductor lasers or EL elements such as organic EL (Electro Luminescence) and inorganic EL It may be a solid light emitting element of

  In addition, since the light emitting module 21 on the other side also has the same configuration, the description thereof is omitted.

[Lens cover]
FIG. 5 is a plan view of the illumination device 1 showing a schematic configuration of the pair of lens covers 23 according to the embodiment. In FIG. 5, the first light guide plate 3, the second light guide plate 4, and the light transmitting cover 7 are not shown.

  As shown in FIG. 2, FIG. 3 and FIG. 5, the pair of lens covers 23 is on the Y axis plus direction side and the Y axis minus direction side with respect to the first opening 20a so as to sandwich the first opening 20a. Each is arranged. The lens cover 23 is fixed by the substrate 120 and the first light shielding member 5 and the second light shielding member 6. The lens cover 23 has a rectangular plate shape elongated in the Y-axis direction, and is formed of a transparent resin material such as acrylic or polycarbonate, which has translucency.

  The lens cover 23 is a lens for controlling the light distribution of the light emitted from the plurality of first light sources 121, and has a plurality of lenses. The lens cover 23 is disposed in the light emitting module 21 so as to cover the plurality of first light sources 121. Specifically, when the lens cover 23 and the plurality of first light sources 121 are viewed in plan, the individual lenses formed on the lens cover 23 correspond to the respective first light sources 121 one by one. Each lens of the lens cover 23 controls the light distribution angle of the light to be transmitted when the light emitted from the corresponding first light source 121 corresponding thereto is transmitted.

  Further, a notch 231 is provided at the outer end of each of the pair of lens covers 23. Specifically, the lens cover 23 on the Y-axis plus direction side is provided with a notch 231 at an end portion on the Y-axis plus direction side. The lens cover 23 on the Y axis negative direction side is provided with a notch 231 at an end portion on the Y axis negative direction side. The notch 231 is formed in, for example, a trapezoidal shape in plan view, which has a small width on the first opening 20 a side and a large width on the opposite side.

  The pair of lens covers 23 controls the light distribution of the light emitted from the plurality of first light sources 121 and emits light. Thus, the pair of lens covers 23 becomes a light emitting area of the illumination unit 20. Since the pair of lens covers 23 is long in the Y-axis direction, the light emitting region is also provided long along the Y-axis direction. As described above, since the pair of speakers 41 and the pair of cover bodies 42 are disposed across the illumination unit 20 in the Y-axis direction, the pair of speakers 41 and the light emitting area are the plan view of the light emitting area. If it does not overlap.

[Container]
As shown in FIGS. 2 and 3, the housing body 25 includes a first housing portion 251 and a second housing portion 252. The first accommodation portion 251 is a housing that accommodates the pair of light emitting modules 21, the pair of lens covers 23, the first wireless module 46, and the second wireless module 47. Specifically, the first housing portion 251 is a flat housing elongated in the Y-axis direction, and the negative direction side in the Z-axis direction is open as a whole. The first housing portion 251 is disposed on the Z axis negative direction side in the second housing portion 252. The first accommodation portion 251 includes a plate-like portion 253 having a rectangular shape in plan view and a wall portion 254 surrounding the periphery of the plate-like portion 253.

  A pair of light emitting modules 21 is fixed to the plate-like portion 253 by a plurality of fastening members 19. Further, a pair of lens covers 23 is fixed to the plate-like portion 253 via the first light shielding member 5, the second light shielding member 6 and the pair of light emitting modules 21. Further, an opening 253 a that forms a part of the first opening 20 a is formed at the central portion of the plate-like portion 253.

  As shown in FIGS. 2, 3 and 5, the wall portion 254 is provided so as to surround a pair of lens covers 23 which are light emitting regions. Specifically, the wall portion 254 has a first wall portion 2541 provided on a pair of long sides of the plate-like portion 253 and a second wall portion 2542 provided on a pair of short sides. There is. The first wall portion 2541 is elongated in the Y axis direction, and the second wall portion 2542 is elongated in the X axis direction. A girder portion 255 substantially parallel to the plate-like portion 253 is formed at the front end portion of the first wall portion 2541. A plurality of through holes for holding the first light guide plate 3 and the second light guide plate 4 are formed in the column portion 255 at predetermined intervals in the Y-axis direction.

  As shown in FIG. 2, the second accommodation unit 252 is a housing that accommodates the illumination control unit 13, the illumination power supply unit 15, the acoustic control unit 16, and the acoustic power supply unit 17. Specifically, the second accommodation portion 252 is a substantially rectangular parallelepiped casing elongated in the Y-axis direction, and the negative direction side in the Z-axis direction is open as a whole. The open portion of the second accommodation portion 252 is covered by the first accommodation portion 251.

  FIG. 6 is an exploded perspective view showing a schematic configuration of the second accommodation portion 252 according to the embodiment and each member accommodated in the second accommodation portion 252. As shown in FIG. FIG. 7 is a plan view showing a schematic configuration of the second accommodation portion 252 according to the embodiment and each member accommodated in the second accommodation portion 252. As shown in FIG.

  As shown in FIGS. 6 and 7, the second accommodation portion 252 includes a plate-like portion 257 having a rectangular shape in a plan view and a wall portion 258 erected from the entire periphery of the plate-like portion 253.

  A leading end portion of the wall portion 258 is formed with a girder portion 259 substantially parallel to the plate portion 257. The first accommodation portion 251 is fixed to the girder portion 259 by a fastening member (not shown).

  The first attachment plate 263 and the second attachment plate 264 are fixed to the plate-like portion 257 by unillustrated fastening members. An opening 257a which is a part of the first opening 20a is formed at the central portion of the plate-like portion 257.

  A first circuit board 260 for the illumination unit 20 is attached to the first attachment plate 263. The first mounting plate 263 is formed in a substantially rectangular shape in plan view elongated in the Y-axis direction, and a rib 271 is provided over the entire periphery thereof. The first mounting plate 263 is provided with a cylindrical portion 272 that forms a part of the first opening 20a. The cylindrical portion 272 is disposed at a position on the first mounting plate 263 that is biased in the positive Y-axis direction. Therefore, the area of the first mounting plate 263 in the Y-axis plus direction side is larger than that of the cylindrical portion 272, and the area of the first mounting plate 263 in the Y-axis negative direction side is smaller than that of the cylindrical portion 272. When fixed to the first mounting plate 263, the cylindrical portion 272 communicates with the opening 257 a of the plate portion 257. After fixing, the first mounting plate 263 generally covers the plate-like portion 257 on the Y-axis plus direction side with respect to the cylindrical portion 272. On the other hand, the first mounting plate 263 covers the plate-like portion 257 by about half on the Y axis minus direction side with respect to the cylindrical portion 272. That is, the plate-like portion 257 has an area which is not covered by the first mounting plate 263. The second attachment plate 264 is disposed in the area.

  Further, the first circuit board 260 for the illumination unit 20 includes the main board 260 a and the sub board 260 b smaller in size than the main board 260 a. The main substrate 260a and the sub-substrate 260b are formed to have sizes corresponding to the locations, respectively. For example, the main substrate 260 a is disposed on the Y axis positive direction side of the cylindrical portion 272 in the first attachment plate 263. On the other hand, the sub substrate 260 b is disposed on the Y axis minus direction side of the cylindrical portion 272 in the first mounting plate 263.

  A plurality of circuit components 91 forming the illumination control unit 13 and the illumination power supply unit 15 are mounted on each of the main substrate 260 a and the sub substrate 260 b. Examples of the plurality of circuit components 91 include an electrolytic capacitor, a coil, a transformer, a noise filter, a ceramic capacitor, a resistor element, a semiconductor element, and the like.

  The second circuit board 270 for the acoustic unit 40 is attached to the second attachment plate 264. The second attachment plate 264 is formed in a substantially square shape in plan view, and a rib 265 is provided over the entire circumference thereof. Further, at the bottom of the second mounting plate 264, a plurality of openings are formed.

  On the second circuit board 270 for the acoustic unit 40, a plurality of circuit components 92 constituting the acoustic control unit 16 and the acoustic power supply unit 17 are mounted. Examples of the plurality of circuit components 92 include an electrolytic capacitor, a coil, a transformer, a noise filter, a ceramic capacitor, a resistance element, a semiconductor element, and the like.

[First wireless module, second wireless module]
As shown in FIG. 5, the first wireless module 46 is disposed in the notch 231 of the lens cover 23 on the Y-axis plus direction side. The first wireless module 46 is a wireless module that receives a wireless signal for the lighting unit 20. The first wireless module 46 is electrically connected to the first circuit board 260 for the lighting unit 20 via a wire (not shown). Thus, the wireless signal received by the first wireless module 46 is transmitted to the illumination control unit 13 in the first circuit board 260.

  The second wireless module 47 is disposed in the notch 231 of the lens cover 23 on the Y axis negative direction side. The second wireless module 47 is a wireless module that receives a wireless signal for the sound unit 40. The second wireless module 47 is electrically connected to the second circuit board 270 for the acoustic unit 40 via a wire (not shown). Thus, the wireless signal received by the second wireless module 47 is transmitted to the sound control unit 16 in the second circuit board 270.

  The wireless communication employed by the first wireless module 46 and the second wireless module 47 is communication using radio waves (ie, excluding visible light and infrared light). The first wireless module 46 and the second wireless module 47 perform wireless communication based on wireless communication standards such as Wi-Fi (registered trademark), Bluetooth (registered trademark), BLE or ZigBee (registered trademark), for example.

  The first wireless module 46 includes a capsule-like housing 461 and a wireless receiving unit (not shown) accommodated in the housing 461. The wireless reception unit of the first wireless module 46 receives the wireless signal transmitted from the operation terminal for operating the lighting device 1, and outputs the wireless signal to the lighting control unit 13.

  The second wireless module 47 includes a capsule-shaped housing 471 and a wireless receiving unit (not shown) accommodated in the housing 471. The wireless reception unit of the second wireless module 47 receives the wireless signal transmitted from the operation terminal and outputs the signal to the sound control unit 16.

  Here, as the operation terminal, any device capable of wireless communication may be used. For example, a portable terminal such as a smartphone, a wireless remote controller, etc. may be mentioned. The operation terminal outputs a wireless signal for the illumination unit 20. The wireless signal for the illumination unit 20 is a signal for controlling the illumination unit 20. The wireless signal for the illumination unit 20 may be, for example, a lighting instruction for lighting the first light source 121 and the second light source 122, a lighting instruction for turning off the first light source 121 and the second light source 122, or the first An instruction to select the light control ratio or the color temperature (light color) of the light source 121 and the second light source 122 is included.

  Also, the operation terminal outputs a wireless signal for the acoustic unit 40. The wireless signal for the acoustic unit 40 is a signal for controlling the acoustic unit 40. The wireless signal for the audio unit 40 includes, for example, a start instruction for starting the speaker 41, a stop instruction for stopping the speaker 41, a volume instruction for adjusting the volume, sound data output from the speaker 41, and the like. included.

  FIG. 8 is a side view showing the positional relationship between the first wireless module 46 and the lens cover 23 according to the embodiment. As shown in FIG. 8, the first wireless module 46 protrudes from the lens cover 23 in the negative Z-axis direction. That is, the first wireless module 46 protrudes from the light emitting area in the light emitting direction of the light emitting area. Specifically, the housing 461 of the first wireless module 46 protrudes from the lens cover 23 in the negative Z-axis direction. Because of this positional relationship, blocking of the wireless communication of the first wireless module 46 by the lens cover 23 is suppressed. In addition, when the wireless reception unit of the first wireless module 46 is disposed closer to the Z-axis in the negative direction than the lens cover 23 in the housing 471, more stable wireless communication is possible. Also in the second wireless module 47, the positional relationship with the lens cover 23 in the side view is the same as the positional relationship between the first wireless module 46 and the lens cover 23, so the description thereof will be omitted.

  Further, as shown in FIG. 5, in the case where the lens cover 23 is viewed in plan, the first wireless module 46 and the second wireless module 47 are in an area surrounded by the wall portion 254 of the first accommodation portion 251. It is arranged. Specifically, the first wireless module 46 is disposed in the notch 231 of the lens cover 23 on the Y-axis positive direction side, and is close to the wall portion 254 on the Y-axis positive direction side. On the other hand, the second wireless module 47 is disposed in the notch 231 of the lens cover 23 on the Y axis negative direction side, and is close to the wall portion 254 on the Y axis negative direction side. As described above, the first wireless module 46 and the second wireless module 47 are disposed at positions opposite to each other with the pair of lens covers 23 forming the light emitting area sandwiched in the Y-axis direction. Thus, the light emitted from the light emitting region is prevented from being blocked by the first wireless module 46 and the second wireless module 47. In addition, since the first wireless module 46 and the second wireless module 47 are disposed as far apart as possible in the first accommodation unit 251, the wireless signal for the illumination unit 20 received by the first wireless module 46 and Interference with the wireless signal for the audio unit 40 received by the second wireless module 47 is less likely to occur.

[Lighting control unit]
The illumination control unit 13 is electrically connected to the first light source 121, the second light source 122, and the first wireless module 46. The illumination control unit 13 may perform light adjustment control and color adjustment control of light emitted from the first light source 121 and the second light source 122 by, for example, controlling lighting circuit units of the first light source 121 and the second light source 122. it can. The illumination control unit 13 controls the first light source 121 and the second light source 122 based on the wireless signal for the illumination unit 20 received by the first wireless module 46. For example, the illumination control unit 13 turns on only the plurality of first light sources 121 in the Y-axis positive direction, turns on only the plurality of first light sources 121 in the negative Y-axis direction, turns on only all the first light sources 121, Lighting of only the plurality of second light sources 122 arranged in the X-axis plus direction side, lighting of only the plurality of second light sources 122 arranged in the X-axis minus direction side, or lighting of the combination thereof are Can be controlled based on the wireless signal for

  The illumination control unit 13 can be configured, for example, using a microcomputer provided with a CPU (Central Processing Unit). The illumination control unit 13 can perform a predetermined illumination control operation by, for example, executing an appropriate program stored in the storage unit. The storage unit can be configured using, for example, a non-volatile semiconductor memory such as a flash memory or an EEPROM (Electrically Erasable and Programmable Road Only Memory).

[Sound control unit]
Further, the sound control unit 16 controls the speaker 41 based on the wireless signal for the sound unit 40 received by the second wireless module 47. For example, the sound control unit 16 causes the speaker 41 to output a sound by controlling the speaker 41 based on sound data and a volume instruction included in the wireless signal.

  The sound control unit 16 can be configured, for example, using a microcomputer provided with a CPU. The sound control unit 16 can perform a predetermined sound control operation by, for example, executing an appropriate program stored in the storage unit. The storage unit can be configured using, for example, a non-volatile semiconductor memory such as a flash memory or an EEPROM. The sound control unit 16 may include an amplifier circuit that amplifies sound data.

[Lighting power supply unit]
As shown in FIGS. 2 and 3, the illumination power supply unit 15 includes a drive circuit driven by power from the outside, a cable for supplying power for causing the light emitting module 21 to emit light, and the like. The illumination power supply unit 15 supplies power to the light emitting module 21 via a cable.

[Acoustic power supply unit]
As shown in FIGS. 2 and 3, the acoustic power supply unit 17 includes a drive circuit driven by power from the outside, a cable for supplying power for driving the pair of speakers 41, and the like. The acoustic power supply unit 17 supplies power to the pair of speakers 41 via a cable.

[Light guide plate]
As shown in FIG. 3, the first light guide plate 3 is disposed on the X-axis plus direction side of the plurality of first light sources 121. One end of the first light guide plate 3 on the X axis negative direction side is fixed in the exterior cover 12 and supported so as to be substantially parallel to the XY plane. The first light guide plate 3 is a plate member elongated in the Y-axis direction, and is an optical member for guiding light from the plurality of second light sources 122 arranged on the X-axis plus direction side of the first light source 121. The first light guide plate 3 is a light transmitting member such as a resin such as acryl or polycarbonate or glass, but may be formed of any other material as long as it has light transmitting property. The shape of the first light guide plate 3 is not limited to a rectangular shape, and may be a disk shape, or may be another shape such as a polygonal shape. The first light guide plate 3 is an example of a light guide plate.

  The first light guide plate 3 has a curved portion 31, a flat plate portion 35, and a plurality of engaging portions 39.

  The curved portion 31 is a portion of the first light guide plate 3 on one end side in the negative X-axis direction, and is elongated in the Y-axis direction along the lens cover 23. The curved portion 31 is curved in a substantially arc shape from the side of the second light source 122 in a cross-sectional view in a case of being cut along the XZ plane. The curved portion 31 guides the light emitted by the second light source 122 toward the flat plate portion 35.

  The engaging portion 39 protrudes from an end of the bending portion 31 on the first light source 121 side. The engaging portion 39 is fastened together with the first light blocking member 5, the first light guide plate 3 and the light emitting module 21 by the fastening member 19.

  The flat plate portion 35 is a plate-like portion that illuminates the periphery of the flat plate portion 35 by guiding light emitted through the curved portion 31 and emitting the light. The flat plate portion 35 is held substantially parallel to the X-Y plane. The flat plate portion 35 extends outward from the long edge of the device body 2. The flat plate portion 35 is a rectangular flat plate elongated in the Y-axis direction.

  The flat plate portion 35 has a prism surface 35 a and an emission surface 35 b.

  The prism surface 35 a is a surface on the Z axis positive direction side of the flat plate portion 35. The prism surface 35 a is substantially parallel to the XY plane. The prism surface 35 a is a surface formed to reflect the light guided by the flat plate portion 35 toward the emission surface 35 b side. Specifically, a plurality of prisms recessed in the Z-axis negative direction are formed on the prism surface 35a. The prism may have, for example, a conical shape, a pyramid shape, a truncated cone shape, a truncated pyramid shape, a hemispherical shape, or the like. The prism surface 35a may not only reflect light but also emit light for illuminating, for example, a ceiling or the like. The prism surface 35a can be formed by cutting, printing or the like.

  The emitting surface 35b is a surface on the Z axis negative direction side of the flat plate portion 35, and is a surface on the opposite side to the prism surface 35a. The emitting surface 35 b is a plane substantially parallel to the XY plane. The emitting surface 35 b emits light for illuminating, for example, a floor, a wall, and the like.

  The second light guide plate 4 is disposed on the X axis negative direction side of the plurality of first light sources 121. The second light guide plate 4 is fixed in the exterior cover 12 at one end in the negative X axis direction, and is supported so as to be substantially parallel to the XY plane. The second light guide plate 4 is an optical member which has a plate shape elongated in the Y-axis direction and guides light from the second light source 122 arranged on the side of the first light source 121 in the negative X-axis direction. The second light guide plate 4 is an example of a light guide plate.

  The second light guide plate 4 is symmetrical to the first light guide plate 3 with respect to the YZ plane passing through the center of the device body 2. That is, the first light guide plate 3 and the second light guide plate 4 extend outward from each of a pair of long edges facing each other in the device main body 2. For this reason, about the part equivalent to the 1st light-guide plate 3 in the 2nd light-guide plate 4, the same code | symbol is used and another description is abbreviate | omitted.

  As shown in FIG. 1, the first light guide plate 3 and the second light guide plate 4 do not overlap the acoustic unit 40 when the illumination device 1 is viewed in plan. Therefore, the light emitted from each of the first light guide plate 3 and the second light guide plate 4 is not blocked by the acoustic unit 40. Also, the sound output from the acoustic unit 40 is not blocked by the first light guide plate 3 and the second light guide plate 4.

[Supporting member]
As shown in FIGS. 2 and 3, the support member 8 is a plate material elongated along the Y-axis direction, and is a member for supporting the flat plate portion 35 of the first light guide plate 3 to the illumination unit 20. The support member 8 is disposed on the light emission surface 35 b side of the flat plate portion 35. When a screw (not shown) is inserted into and fastened to the support member 8 and the through hole of the girder portion 255 of the second accommodation portion 252, the support member 8 and the girder portion 255 form the flat plate portion 35 of the first light guide plate 3. Hold it. As a result, the support member 8 supports the first light guide plate 3 from below, so that the posture of the first light guide plate 3 is maintained.

[Light shielding member]
The first light shielding member 5 is disposed between the curved portion 31 of the first light guide plate 3 and the plurality of first light sources 121 such that light emitted by the plurality of first light sources 121 is not incident on the first light guide plate 3 It is done. The first light shielding member 5 is elongated in the Y-axis direction along the first light guide plate 3 and the lens cover 23. The first light blocking member 5 blocks light emitted from the curved portion 31 of the first light guide plate 3. Further, the first light blocking member 5 has a light reflecting function of reflecting light. The first light shielding member 5 is formed of, for example, a non-transparent white resin such as polybutylene terephthalate. In addition, the first light shielding member 5 may be formed by coating a white resin on a resin material such as acrylic or polycarbonate. The first light blocking member 5 may have a light diffusing function.

  The other second light-shielding member 6 is symmetrical to the first light-shielding member 5 with respect to the Y-Z plane passing through the center of the apparatus main body 2. Use the same reference numerals and omit other explanations.

[Transparent cover]
As shown in FIGS. 2 and 3, the light transmitting cover 7 is disposed on the Z axis negative direction side of the apparatus main body 2. The light transmitting cover 7 is a cover member that covers the plurality of first light sources 121 when the lighting device 1 is viewed in the Z-axis direction, and has light transmitting properties to transmit light emitted from the plurality of first light sources 121. The translucent cover 7 has a rectangular shape elongated in the Y-axis direction. The translucent cover 7 is made of, for example, a translucent resin such as acrylic or polycarbonate, or a translucent material such as glass. The translucent cover 7 may further have light diffusibility. That is, the light transmitting cover 7 may not be a transparent cover, but may be a diffusion cover having light transmitting property and light diffusing property. In this case, the light transmission cover 7 can be a milky white diffusion panel in which the light diffusion material is dispersed inside. Such a diffusion cover can be produced by resin-molding a translucent resin material mixed with a light diffusion material into a predetermined shape. As the light diffusing material, light reflective fine particles such as silica particles can be used.

  The translucent cover 7 has a first translucent cover 70 and a second translucent cover 80.

  The first light transmitting cover 70 is an outer cover member when the lighting device 1 is viewed from the Z-axis direction. The first light transmitting cover 70 is in the form of a rectangular plate elongated in the Y-axis direction. The first light transmitting cover 70 has a plurality of locking pieces (not shown), and the plurality of locking pieces hold the second light transmitting cover 80 by locking the second light transmitting cover 80. ing.

  The second light transmitting cover 80 is disposed between the first light transmitting cover 70 and the device body 2. The second light transmitting cover 80 has a cover frame portion 81 and an inclined portion 83 inclined from the inside of the cover frame portion 81 along the curved portion 31.

  The cover frame portion 81 is a rectangular plate-like frame elongated in the Y-axis direction, and is engaged with a plurality of locking pieces of the first light transmitting cover 70. The inclined portion 83 is formed on the inner edge side of the cover frame portion 81, and is elongated in the Y-axis direction along the cover frame portion 81. The inclined portion 83 is curved in an arc shape along the first light blocking member 5 and the second light blocking member 6 when the cross section cut along the ZX plane is viewed.

[Position of the center of gravity]
The gravity center position of the illuminating device 1 will be described. As shown in FIG. 5, when the first opening 20 a is viewed in plan, that is, viewed in the Z-axis direction, the overall center of gravity of the lighting device 1 is disposed in the first opening 20 a. Specifically, by adjusting the weight balance of each component of the lighting device 1, the overall center of gravity of the lighting device 1 is accommodated in the first opening 20a. Here, it is assumed that the center of gravity obtained by combining at least the pair of speakers 41 is disposed in the first opening 20a when the first opening 20a is viewed in plan. For example, the weight of each of the pair of speakers 41 may be equal, and the distance between each of the first opening 20 a and the pair of speakers 41 may be equal.

  Further, also at the center of gravity where the first circuit board 260 and the second circuit board 270 are combined, the first opening 20a is disposed in the first opening 20a in plan view. Here, when the first circuit board for the illumination unit 20 is a single body, the size and weight of the second circuit board 270 for the acoustic unit 40 tend to be large. Therefore, in the present embodiment, the first circuit board 260 is divided into a main board 260a and a sub board 260b smaller in size than the main board 260a. The main substrate 260a is disposed on one side (Y-axis plus direction side) in the longitudinal direction with respect to the first opening 20a in the apparatus main body 2, and on the other side (Y-axis minus direction side) The second substrate 260 b and the second circuit substrate 270 are disposed. Thus, by dividing the first circuit board 260, it is possible to easily fit the center of gravity of the first circuit board 260 and the second circuit board 270 in the first opening 20a. The plurality of circuit components 91 mounted on the main substrate 260a and the plurality of circuit components 91 mounted on the sub substrate 260b have a center of gravity at the first opening where the first circuit substrate 260 and the second circuit substrate 270 are combined. The type and layout may be determined so as to fit within 20a.

[Operation]
The lighting device 1 executes lighting and sound output desired by the user based on the wireless signal for the lighting unit 20 and the wireless signal for the acoustic unit 40 transmitted from the operation terminal. At the time of reception, the wireless signal for the illumination unit 20 and the wireless signal for the acoustic unit 40 may interfere with each other. However, as described above, since the first wireless module 46 and the second wireless module 47 are disposed as far apart as possible in the first accommodation unit 251, the wireless signal for the illumination unit 20 and the acoustic unit 40 are provided. In the case of simultaneously receiving a wireless signal for communication, mutual wireless signals are less likely to interfere with each other.

  Next, the operation at the time of lighting in the lighting device 1 will be described.

  The illumination control unit 13 controls the first light source 121 and the second light source 122 based on the wireless signal for the illumination unit 20 received by the first wireless module 46. Light emitted from the plurality of first light sources 121 is subjected to light distribution control by the lens of the lens cover 23, passes through the light transmission cover 7, and travels in the Z-axis direction of the illumination device 1. In addition, light emitted from the plurality of second light sources 122 in the Y-axis positive direction side and the Y-axis negative direction side is incident on the incident surface of each of the first light guide plate 3 and the second light guide plate 4 to be curved portion 31 and The flat plate portion 35 is guided. In the curved portion 31, the light reflected by the first light blocking member 5 and the second light blocking member 6 enters even if the light is reflected by the outer surface of the curved portion 31 or emitted from the outer surface. A part of the light guided through the flat plate portion 35 is reflected by the prism surface 35 a, travels to the emission surface 35 b, and is emitted from the emission surface 35 b. Thus, in the lighting device 1, the surrounding can be illuminated by emitting illumination light from each of the light transmitting cover 7, the first light guide plate 3 and the second light guide plate 4.

  Next, the operation at the time of sound output in the lighting device 1 will be described.

  The sound control unit 16 controls the speaker 41 based on the wireless signal for the sound unit 40 received by the second wireless module 47. A sound based on sound data is output from the pair of speakers 41. At the time of output of sound, the vibration caused by the sound is generated from the pair of speakers 41. This vibration is also transmitted to the illumination unit 20. For example, when the vibration from the pair of speakers 41 is transmitted in a biased manner with respect to the illumination unit 20, the illumination unit 20 also largely vibrates, and the illumination light also largely shakes. However, in the present embodiment, since the center of gravity of the pair of speakers 41 is disposed in the first opening 20 a when the first opening 20 a is viewed in plan, illumination from each of the pair of speakers 41 is The vibration is transmitted to the portion 20 substantially uniformly. As a result, the illumination unit 20 is relatively hard to swing, and illumination light with small swing can be obtained. In particular, in the present embodiment, the center of gravity of the entire lighting apparatus 1 is disposed in the first opening 20a when the first opening 20a is viewed in plan, so the entire lighting apparatus 1 can be made of a construction material in a well-balanced manner. It is installed and has a support structure that resists shaking. For this reason, the vibration caused by the sound from the speaker 41 is less likely to be affected by the illumination unit 20.

[Function effect]
Next, the effect of the illuminating device 1 in this Embodiment is demonstrated.

  As described above, the lighting device 1 according to the present embodiment is the lighting device 1 in which the sound unit 40 having at least one speaker 41 and the lighting unit 20 are integrally provided to the device main body 2. The apparatus body 2 has a first opening 20a (opening), and the center of gravity of at least one speaker 41 is disposed in the opening when the first opening 20a is viewed in plan.

  Here, although the lighting apparatus 1 is supported by the building material through the first opening 20a, the overall center of gravity of at least one speaker 41 is disposed in the first opening 20a. The vibration is transmitted approximately equally from the at least one speaker 41 to the lighting unit 20. As a result, the illumination unit 20 is relatively hard to swing, and illumination light with small swing can be obtained. Therefore, it is possible to suppress that the vibration caused by the sound from the speaker 41 affects the illumination unit 20.

  The device body 2 is long and has the first opening 20a at the center, and a pair of speakers 41 is provided. The pair of speakers 41 are both ends of the device body 2 in the longitudinal direction. It is provided in the department.

  According to this, since the pair of speakers 41 is provided at both ends in the longitudinal direction of the device body 2, the center of gravity where the pair of speakers 41 are combined can be easily disposed in the first opening 20a. it can.

  In addition, the device body 2 accommodates the first circuit board 260 for the illumination unit and the second circuit board 270 for the acoustic unit 40, and combines the first circuit board 260 and the second circuit board 270. The center of gravity is disposed in the first opening 20a when the first opening 20a is viewed in plan.

  According to this, since the center of gravity which united the first circuit board 260 and the second circuit board 270 is disposed in the first opening 20a when the first opening 20a is viewed in plan, the lighting device 1 Can be installed on construction materials in a more balanced manner. Thereby, it is possible to make the lighting device 1 less likely to shake, and it is possible to suppress that the vibration caused by the sound from the speaker 41 affects the lighting unit 20.

  In addition, the first circuit board 260 includes the main board 260 a and the sub board 260 b smaller than the main board 260 a, and one side in the longitudinal direction with respect to the first opening 20 a in the apparatus main body 2. The main substrate 260a is disposed on one side, and the sub substrate 260b and the second circuit substrate 270 are disposed on the other side.

  According to this, since the first circuit board 260 includes the main board 260a and the sub board 260b, the center of gravity of the first circuit board 260 and the second circuit board 270 can be easily set in the first opening 20a. It can fit in.

  In addition, the device body 2 includes an exterior cover 12 that accommodates the lighting unit 20 and the acoustic unit 40, and a shock absorbing material 43 is provided between the speaker 41 and the exterior cover 12.

  According to this, since the shock absorbing material 43 is provided between the speaker 41 and the exterior cover 12, the vibration generated by the speaker 41 outputting a sound is absorbed by the shock absorbing material 43. Therefore, the transmission of the vibration caused by the speaker 41 to the exterior cover 12 and the illumination unit 20 housed in the exterior cover 12 is suppressed. Therefore, it is possible to further suppress that the vibration caused by the sound from the speaker 41 affects the illumination unit 20.

  In addition, the lighting device 1 is provided to the light guide plate (the first light guide plate 3 and the second light guide plate 4) attached to the exterior cover 12 so as to extend outward from the exterior cover 12 and the light guide plate. And a light source (second light source 122) for entering light.

  According to this, even in the illumination device 1 including the light guide plate, it is possible to suppress that the vibration caused by the sound from the speaker 41 affects the illumination unit 20 and the light guide plate.

  Further, a pair of light guide plates is provided to face each other.

  According to this, even in the illumination device 1 including the pair of light guide plates facing each other, it is possible to suppress that the vibration caused by the sound from the speaker 41 affects the illumination unit 20 and the pair of light guide plates.

  Moreover, the gravity center of the illuminating device 1 is arrange | positioned in the 1st opening 20a, when the 1st opening 20a is planarly viewed.

  According to this, since the center of gravity of the lighting device 1 is disposed in the first opening 20a when the first opening 20a is viewed in plan, the entire lighting device 1 is installed on the building material in a well-balanced manner, It has a support structure that does not shake easily. For this reason, the vibration caused by the sound from the speaker 41 is less likely to be affected by the illumination unit 20.

  If the center of gravity of the entire lighting apparatus 1 is disposed in the first opening 20a when the first opening 20a is viewed in plan, the centers of gravity of the pair of speakers 41 are in the first opening 20a. The center of gravity of the combination of the first circuit board 260 and the second circuit board 270 may not be disposed in the first opening 20a.

(Other modifications etc.)
As mentioned above, although this invention was demonstrated based on embodiment, this invention is not limited to the said embodiment. In the following description, in the same part as the above-mentioned embodiment, the same numerals may be attached and the explanation may be omitted.

  For example, in the above embodiment, the case where the first circuit board 260 for the illumination unit 20 is divided into two substrates (the main substrate 260a and the sub substrate 260b) is illustrated. However, the first circuit board for the illumination unit 20 may be a single board or three or more boards.

  Moreover, although the case where the 2nd circuit board 270 for acoustic parts 40 was one board was illustrated in the above-mentioned embodiment, the 2nd circuit board for acoustic parts 40 is constituted from two or more boards. It is also good.

  Moreover, although the said embodiment illustrated and demonstrated the illuminating device 1 provided with a pair of light-guide plate (the 1st light-guide plate 3 and the 2nd light-guide plate 4), the number of installation of a light-guide plate is one. Or three or more. The light guide plate may be an annular body disposed to surround the device body. Moreover, the illuminating device which is not provided with the light-guide plate may be sufficient.

  Moreover, in the said embodiment, the case where the 1st opening part 20a for attachment was provided in the center part of the apparatus main body 2 was illustrated. However, the first opening may be provided in addition to the central portion of the device body. As described above, when the first opening 20a for attachment is provided at the central portion of the device main body 2, it is preferable because the weight balance can be easily equalized.

  Moreover, in the said embodiment, the case where the 1st radio | wireless module 46 and the 2nd radio | wireless module 47 were arrange | positioned in the wall part 254 of the 1st accommodating part 251 was illustrated. However, as long as the first wireless module and the second wireless module are disposed across the light emitting area, they may be disposed anywhere in the lighting device. For example, each of the first wireless module and the second wireless module may be disposed inward of each of the pair of cover bodies 42 of the acoustic unit 40.

  Further, in the above embodiment, the case where the pair of speakers 41 are provided at both end portions in the longitudinal direction of the device main body 2 has been exemplified. However, as long as the position of the overall center of gravity of the pair of speakers is disposed within the first opening of the device body, the installation locations of the pair of speakers may be arbitrary. For example, the pair of speakers may be disposed in the housing.

  In addition, one or more speakers may be provided for one lighting device. In this case, the overall center of gravity of the at least one speaker may be disposed within the first opening of the device body. For example, as one speaker, an annular speaker surrounding the device body may be mentioned. Also in this case, the center of gravity of one annular speaker may be disposed in the first opening of the device body. In addition, in the case where there are a plurality of speakers, the combined center of gravity of the plurality of speakers may be disposed in the first opening of the device body.

  Moreover, although the illuminating device 1 provided with the 1st light guide plate 3 and the 2nd light guide plate 4 was illustrated in the said embodiment, the illuminating device which does not have a light guide plate may be sufficient.

  Moreover, in the said embodiment, although the planar view cross-shaped illuminating device 1 was illustrated, the planar view shape of the illuminating device 1 may be arbitrary. As planar view shape of other illuminating devices, circular shape, rectangular shape, polygonal shapes other than rectangular shape, elliptical shape, etc. are mentioned.

  In addition, embodiments obtained by applying various modifications to those skilled in the art to the embodiment, and embodiments realized by arbitrarily combining components and functions in the embodiment without departing from the spirit of the present invention are also possible. Included in the present invention.

1 Lighting device 2 Device body 3 First light guide plate (light guide plate)
4 Second light guide plate (light guide plate)
12 exterior cover 20 illumination unit 20a first opening (opening)
40 sound unit 41 speaker 43 buffer material 122 second light source (light source)
260 First circuit board 260a Main board 260b Sub board 270 Second circuit board

Claims (9)

A lighting device in which an acoustic unit having at least one speaker and a lighting unit are integrally provided to a device body,
The device body has an opening,
The center of gravity of the at least one speaker is disposed in the opening when the opening is viewed in plan. The device body is long and includes the opening at a central portion thereof;
The speaker is provided in a pair,
The lighting device according to claim 1, wherein the pair of the speakers are provided at both ends in the longitudinal direction of the device body. The device body contains a first circuit board for the illumination unit and a second circuit board for the acoustic unit,
The lighting device according to claim 2, wherein a center of gravity obtained by combining the first circuit board and the second circuit board is disposed in the opening when the opening is viewed in plan. The first circuit board includes a main board and a sub board smaller in size than the main board,
The main substrate is disposed on one side in the longitudinal direction with respect to the opening in the apparatus main body, and the sub-substrate and the second circuit substrate are disposed on the other side. The lighting device according to claim 3. The device body includes an exterior cover that accommodates the lighting unit and the sound unit,
The lighting device according to any one of claims 1 to 4, wherein a shock absorbing material is provided between the speaker and the exterior cover. A light guide plate attached to the exterior cover so as to extend outward from the exterior cover;
The illumination device according to claim 5, further comprising: a light source configured to make light incident on the light guide plate. The lighting device according to claim 6, wherein the light guide plates are provided in a pair so as to face each other. The lighting device according to any one of claims 1 to 7, wherein the center of gravity of the lighting device is disposed in the opening when the opening is viewed in plan. A lighting device in which an acoustic unit having a speaker and a lighting unit are integrally provided to a device main body,
The device body has an opening,
The center of gravity of the lighting device is disposed in the opening when the opening is viewed in plan.

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