Lighting equipment

Abstract

To provide a lighting device capable of suppressing a temperature rise of an imaging portion.SOLUTION: A lighting device 10 is equipped with a lighting apparatus 11 radiating light, and a camera unit 12. The camera unit 12 has an imaging portion 63 that is disposed on a light irradiation side corresponding to a light irradiation direction of the lighting apparatus 11, and a connector 80 that is disposed on a light non-irradiation side opposite to the light irradiation side, and is connected with a communication cable 81 capable of supplying electric power. The camera unit 12 is at least partially operated by the electric power supplied through the communication cable 81 connected to the connector 80, and is communicated through the communication cable 81.SELECTED DRAWING: Figure 4

Description

[Technical field]

[0001] An embodiment of the present invention relates to an illumination device equipped with a camera unit. [Background technology]

[0002] Conventionally, there is known a lighting device equipped with a camera unit. In this lighting device, a communication cable capable of supplying power is connected, the camera unit is operated by the power supplied through the communication cable, and data captured by the camera unit is transmitted via the communication cable.

[0003] In such camera units, the power supplied by the communication cable needs to be converted into a specific power required for the camera unit to operate, which creates the problem of heat generation due to the power conversion, causing the temperature of the imaging section of the camera unit to rise and increasing noise, which can lead to a decrease in image quality. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2020-119666 A Summary of the Invention [Problem to be solved by the invention]

[0005] An object of the present invention is to provide an illumination device capable of suppressing a rise in temperature of an imaging section. [Means for solving the problem]

[0006] The lighting device according to the embodiment includes a lighting fixture that emits light and a camera unit. The camera unit includes an image capturing unit that is disposed on a side where light is emitted from the lighting fixture, the image capturing unit being ... and the image capturing unit being disposed on a side where light is emitted from the lighting fixture. An imaging board on which an imaging unit is provided and on which the imaging board is disposed Opposite to the light irradiation side Pair Placed on the non-illuminated side A communication board that is connected to the communication board and a DC A connector to which a communication cable capable of supplying power is connected The camera body in which the The camera unit is supplied with a communication cable that is connected to a connector. direct current At least by electricity Communication Board operates and communicates through the communication cable. Effect of the Invention

[0007] According to the illumination device of the embodiment, it is possible to suppress a rise in temperature of the imaging section. [Brief description of the drawings]

[0008] [Figure 1] 1 is a perspective view of an illumination device showing an embodiment. [Diagram 2] FIG. 2 is a perspective view of the lighting device with a light source unit removed. [Diagram 3] FIG. 2 is an exploded perspective view of a camera unit of the illumination device. [Figure 4] FIG. [Diagram 5] FIG. 2 is a perspective view of the camera body of the camera unit as viewed from the non-illuminated side. [Figure 6] FIG. 2 is a perspective view of the camera body of the camera unit as viewed from the light emitting side. [Figure 7] FIG. 2 is an exploded perspective view of the optical system of the camera unit. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] Hereinafter, an embodiment will be described with reference to the drawings.

[0010] 1 and 2 show a lighting device 10. The lighting device 10 is a surface-mounted lighting device that is installed on an installation surface, such as a ceiling surface. The lighting device 10 includes a long lighting fixture 11 and a camera unit 12 that is arranged on one end side of the lighting fixture 11 in the longitudinal direction. The lighting device 10 provides illumination using the lighting fixture 11, captures an image of a predetermined shooting area including the illuminated area using the camera unit 12, and transmits the captured data to an external storage device or cloud, enabling the data to be stored and checked.

[0011] The lighting fixture 11 is a long, base light type with a light emitting area that is continuous along the longitudinal direction. The lighting fixture 11 includes a fixture body 15 whose upper, or rear, side is attached to a ceiling surface, and a light source unit 16 that is detachably attached to the lower, or front, side of the fixture body 15. The front side of the lighting fixture 11 is the light irradiation side that corresponds to the light irradiation direction in which light is irradiated from the light source unit 16, and the rear side is the non-light irradiation side opposite to the light irradiation side.

[0012] The device body 15 is made of, for example, sheet metal and is formed long. The device body 15 has a top plate portion 19 which is a long installation portion, side plate portions 20 provided on both sides in the width direction which is the short direction intersecting the longitudinal direction of the top plate portion 19, and end plate portions 21 provided on both ends in the longitudinal direction of the top plate portion 19, and is formed in a long and narrow box shape with an open front side.

[0013] The top plate portion 19 is provided with a plurality of holes. A first wiring hole 22 for a power line is provided in the longitudinal center of the top plate portion 19, and a second wiring hole 23 for a communication cable is provided near both longitudinal ends of the top plate portion 19. A plurality of mounting holes 24 for mounting to an installation surface, including a long hole or a bell-shaped hole that is long in the longitudinal direction of the top plate portion 19, are provided near both longitudinal ends of the top plate portion 19. As shown in FIG. 3, a communication hole 25 for communicating between the inside of the fixture body 15 and the camera unit 12 side is provided in the widthwise center of the end plate portion 21 on one end side, and an insertion hole 26 for mounting a cover of the camera unit 12 is provided on one side of the end plate portion 21 on one end side. The communication hole 25 may be a knockout hole for a feed wiring when connecting lighting fixtures 11.

[0014] As shown in Figure 2, within the fixture body 15, a terminal block 27 is arranged near one end of the first wiring hole 22 in the center of the top plate portion 19, a first power supply unit 28 for turning on the light source unit 16 is arranged near the other end opposite the terminal block 27 with the first wiring hole 22 in the center of the top plate portion 19 as the center, and a second power supply unit 29 for driving the camera unit 12 is arranged on the one end side of the terminal block 27 of the top plate portion 19.

[0015] During installation, a power supply line that is drawn from the outside into the fixture body 15 through the first wiring hole 22 is electrically connected to the terminal block 27. The terminal block 27 is electrically connected to the first power supply unit 28 and the second power supply unit 29 by internal wiring. The power supply line supplies AC power, which is external power from, for example, a commercial AC power source, to the lighting device 10.

[0016] The first power supply unit 28 is, for example, an AD-DC converter, and converts AC power supplied from a commercial AC power source through the terminal block 27 into DC power, which is the lighting power required to light the light source unit 16, and supplies the DC power to the light source unit 16. A first output line, which is electrically connected to the light source unit 16, is connected to the first power supply unit 28.

[0017] Second power supply unit 29 is, for example, an AD-DC converter, which converts AC power supplied from a commercial AC power source through terminal block 27 into DC power, which is operating power necessary for at least a part of the operation of camera unit 12, and supplies it to camera unit 12. A second output line, which is electrically connected to camera unit 12, is connected to second power supply unit 29.

[0018] Within the fixture body 15, spring receiving fittings 30 are attached near both ends of the top plate portion 19 as mounting portions that constitute a mounting mechanism for detachably mounting the light source unit 16 to the fixture body 15.

[0019] 1 and 2, the light source unit 16 is long and formed to have approximately the same length as the length of the fixture body 15. The light source unit 16 includes a light source chassis 33, a light source 34 attached to the lower surface side of the light source chassis 33, and a translucent cover 35 attached to the light source chassis 33 to cover the light source 34.

[0020] The light source chassis 33 is made of metal and is provided long. The light source 34 is configured as a light emitting module having a long board and a plurality of light emitting elements mounted along the longitudinal direction of the board. The light emitting elements are configured as, for example, LEDs or organic ELs. One end of an input line is electrically connected to the light source 34, and the other end of the input line is drawn out from the rear side of the light source chassis 33, and the other end of the input line is electrically connected to the first output line from the first power supply unit 28 by a detachable connector. The light-transmitting cover 35 has light-transmitting and light-diffusing properties, and transmits light from the light source 34. The light-transmitting cover 35 is formed so that the cross-sectional shape in the width direction is a convex curved surface on the front side.

[0021] Mounting springs 36 as mounting parts constituting a mounting mechanism are attached near both longitudinal ends on the rear side of the light source chassis 33. The mounting springs 36 are configured to lift up the light source unit 16 by the spring force and attach it to the fixture body 15 by hooking them onto the spring receiving metal fittings 30 of the fixture body 15 in a state where they are raised from the light source chassis 33 against the spring force.

[0022] As shown in FIGS. 3 and 4, camera unit 12 includes a camera housing 40 attached to one end of lighting fixture 11, and a camera body 41 housed within camera housing 40. As shown in FIG.

[0023] Camera housing 40 is long in a direction corresponding to the longitudinal direction of lighting fixture 11, and is formed to have approximately the same external appearance as the cross-sectional shape of lighting fixture 11. Camera housing 40 includes a case 44 and a cover 45 that is detachably attached to the front side of case 44.

[0024] The case 44 is integrally formed from a metal such as aluminum die-cast, and has a rectangular back portion 47, side portions 48 provided on both sides in the width direction of the back portion 47, and end surface portions 49 provided on both ends in the longitudinal direction of the back portion 47, and is open on the front side.

[0025] A connecting portion 50 connected to the instrument body 15 protrudes from the center in the width direction at one end side of the case 44 facing the instrument body 15. The connecting portion 50 extends from the back surface portion 47 and protrudes outward from the end surface portion 49 on the one end side. The connecting portion 50 is provided with a plurality of boss portions 51. The connecting portion 50 is inserted into the instrument body 15 through the communication hole 25 provided in the end plate portion 21 of the instrument body 15 and arranged on the front side of the top plate portion 19, and a plurality of screws, which are fasteners inserted from the back side of the top plate portion 19, are screwed into the plurality of boss portions 51, thereby fastening and fixing the connecting portion 50 to the instrument body 15. Therefore, the case 44 is connected and fixed to the instrument body 15 via the connecting portion 50.

[0026] A wiring groove 52 is provided in the widthwise center of an end face portion 49 on one end side of the case 44 facing the instrument body 15, the wiring groove 52 facing and communicating with the communication hole 25 provided in the end plate portion 21 of the instrument body 15. A through hole 53 for attaching a cover is provided on one side in the widthwise direction of the end face portion 49 on the one end side, the through hole 53 facing and communicating with the through hole 26 provided in the end plate portion 21 of the instrument body 15. A claw portion 54 for hooking and removably engaging the cover 45 is provided on the other end side of the case 44 opposite the instrument body 15.

[0027] The cover 45 is integrally formed from a metal such as aluminum die-cast. The cover 45 is formed to have substantially the same cross-sectional shape as the light-transmitting cover 35 of the light source unit 16. That is, the cover 45 is formed so that the cross-sectional shape in the width direction is a convex curved surface on the front side. A window portion 55 in which a part of the camera body 41 is disposed is formed in the center of the front side of the cover 45. A plurality of boss portions 56 to which the camera body 41 is attached are protruded on the rear side of the cover 45.

[0028] A cover mounting portion 57 is protruded from the rear side at one end of the cover 45 facing the instrument body 15 and is inserted into the inside of the end surface portion 49 at one end of the case 44. The cover mounting portion 57 is provided with a mounting hole 58 that is arranged opposite the insertion hole 53 of the case 44 at a position where the cover 45 is assembled to the front side of the case 44. A screw, which is a fastener, is screwed into the mounting hole 58 from inside the instrument body 15 through the insertion hole 26 of the instrument body 15 and the insertion hole 53 of the case 44, thereby fixing the cover 45 to the case 44. A locking hole that is hooked onto the claw portion 54 of the case 44 and locked is formed at the other end of the cover 45.

[0029] The camera body 41 also includes a camera chassis 61, a plurality of boards 62 attached to the camera chassis 61, an imaging unit 63 provided on one of the boards 62, an optical system 64 combined with the imaging unit 63, and a protective cover 65 covering the plurality of boards 62.

[0030] 4 to 6, the camera chassis 61 is made of a metal plate and is formed long in accordance with the longitudinal direction of the camera housing 40. Fixed parts 67 to be attached to the rear side of the cover 45 are provided at both ends of the camera chassis 61 in the longitudinal direction, and an imaging board attachment part 68 bent toward the rear side is provided at the middle part. The fixed parts 67 at both ends are attached to the rear side of the cover 45 with screws 69 that pass through the fixed parts 67 and are screwed into the boss parts 56 of the cover 45.

[0031] The board 62 includes an imaging board 71 on the front side of which the imaging unit 63 is provided, a drive board 72 that drives the imaging unit 63 and processes data captured by the imaging unit 63, and a communication board 73 that communicates with the outside. The imaging board 71, drive board 72, and communication board 73 are arranged in parallel with the board surface on which components are mounted facing the front-rear direction. In the camera unit 12, the imaging board 71, drive board 72, and communication board 73 are arranged in this order from the front side, which is the light irradiation side corresponding to the light irradiation direction of the lighting fixture 11, to the rear side, which is the opposite non-light irradiation side. The imaging board 71 and the drive board 72 are connected by a harness so that the drive board 72 can supply power to the imaging board 71 and are connected to each other so that they can communicate with each other, and the drive board 72 and the communication board 73 are connected by a harness so that they can communicate with each other.

[0032] The imaging board 71 is formed smaller than the drive board 72 and the communication board 73, and the imaging unit 63 is mounted on the front side. The imaging board 71 is provided with a control circuit for controlling the imaging unit 63. The imaging board 71 is attached to the front side of the imaging board attachment part 68 of the camera chassis 61 at a predetermined interval by a plurality of metal attachment members 74. The attachment members 74 may be configured using a spacer between the imaging board 71 and the camera chassis 61, screws and nuts for fastening and fixing the imaging board 71 and the camera chassis 61 via the spacer, or other attachment structures may be used. The rear side of the imaging board 71 corresponding to the position of the imaging unit 63 and the camera chassis 61 are thermally connected with each other through a heat conductive member 75 interposed therebetween.

[0033] The drive board 72 is provided with a power connector 76 and a circuit including a drive circuit for driving the imaging unit 63 and a processing circuit for acquiring and processing data captured by the imaging unit 63. A second output line 77 from the second power supply unit 29 is connected to the connector 76, and DC power of, for example, 5V is supplied. The connector 76 is mounted on one end of the drive board 72 facing the lighting fixture 11, at a position that is offset from the position facing the wiring groove 52 of the case 44, and is forward of the position of the wiring groove 52 and offset to one side in the width direction. The second output line 77 is detachably inserted and connected to the connector 76 from a direction corresponding to the longitudinal direction of the lighting fixture 11. The drive circuit operates with DC power of, for example, 5V supplied from the second power supply unit 29 through the second output line 77, and supplies power to the imaging board 71. The drive circuit also converts, for example, 5 V DC power into DC power of a predetermined voltage, such as 3.3 V, and supplies the power to some of the circuits. Of the components mounted on the drive board 72, a component 78 that generates a large amount of heat, such as for converting power, is thermally connected to the camera chassis 61 by a heat conductive member 79.

[0034] The communication board 73 is equipped with a connector 80, which is a modular jack for communication, and is also provided with circuits including a power conversion circuit that supplies a predetermined power to the circuits of the communication board 73, and a communication circuit that communicates with the outside.

[0035] A communication cable 81 that is wired from the lighting fixture 11 and can supply power as well as communication is connected to the connector 80. The communication cable 81 is, for example, a LAN cable compatible with Power over Ethernet (PoE) (registered trademark). One end of the communication cable 81 is connected to a PoE connector of a PoE-compatible hub that relays communication with a predetermined network, and the other end is led into the camera unit 12 through the lighting fixture 11 and connected to the connector 80. The communication cable 81 functions as a power cable that supplies DC power of, for example, 48 V from the hub to the communication board 73, in addition to a function of communicating with the outside.

[0036] The connector 80 is mounted on one end side of the communication board 73 facing the lighting fixture 11, at a central position in the width direction facing the wiring groove 52 of the case 44. A communication cable 81 is detachably inserted and connected to the connector 80 from a direction corresponding to the longitudinal direction of the lighting fixture 11.

[0037] A modular plug 82 is provided at the end of the communication cable 81, which is inserted into a connector 80, which is a modular jack. The modular plug 82 has a locking portion that prevents the modular plug 82 from coming loose from the connector 80 when the modular plug 82 is connected to the connector 80, and a removal operation portion 83 for releasing the locking of the locking portion from the connector 80 and removing the modular plug 82. The modular plug 82 is inserted into the connector 80 so that the removal operation portion 83 faces the front side of the camera body 41.

[0038] The power conversion circuit of the communication board 73 converts DC power of, for example, 48 V supplied by the communication cable 81 into DC power of a predetermined voltage, for example, 5 V, and supplies it to the communication circuit of the communication board 73. The communication circuit of the communication board 73 is capable of communicating with the outside via the communication cable 81, receiving control signals from the outside, and transmitting video data processed by the drive board 72 to the outside.

[0039] The driving board 72 and the communication board 73 are attached at a predetermined interval between the camera chassis 61 and the driving board 72 and between the driving board 72 and the communication board 73 on the rear side of the camera chassis 61 by a plurality of metal attachment members 84. The plurality of attachment members 84 are arranged at the four corners of the driving board 72 and the communication board 73. The attachment members 84 may be configured using a female-threaded spacer arranged on the front side of the driving board 72, a male-female-threaded spacer arranged on the rear side of the driving board 72 and screwed and fixed to the female-threaded spacer, screws screwed into the female-threaded spacer from the front side of the camera chassis 61, and screws screwed into the male-female-threaded space from the rear side of the communication board 73, or other attachment structures may be used.

[0040] A metal heat sink 86 is disposed on the rear side of the communication board 73. The heat sink 86 has legs 87 at the four corners, and the legs 87 are attached to the four corners of the rear side of the communication board 73 together with the communication board 73 by attachment members 84, and the parts other than the legs 87 are disposed at a predetermined interval on the rear side of the communication board 73. The heat sink 86 is provided with an opening 89 through which the connector 80 and some of the components 88 are inserted. The components 88 are heat-generating components including switching elements that perform power conversion in the power conversion circuit of the communication board 73. The components 88 and other heat-generating components on the communication board 73 are thermally connected to the heat sink 86 by heat conductive members 90. A sheet-shaped heat conductive member 91 is disposed on the rear side of the components 88, and when the multiple boards 62 are covered with the protective cover 65, the components 88 are thermally connected to the protective cover 65 via the heat conductive member 91.

[0041] As shown in FIGS. 4 and 6, the imaging unit 63 is configured with a solid-state imaging element such as a complementary metal oxide semiconductor (CMOS) or a charge coupled device (CCD), and is disposed on the front side of the imaging board 71.

[0042] As shown in Figures 4 and 7, the optical system 64 includes a lens holder 93 attached to the front side of the imaging board 71, a lens 94 attached to the lens holder 93, a lens cover 95 that covers the lens 94, and a gasket 96 that seals the space between the lens holder 93 and the lens cover 95.

[0043] The lens holder 93 has a cylindrical holder portion 97 that opens in the front-rear direction facing the imaging portion 63. A female screw 98 for attaching the lens 94 is formed on the inner periphery of the holder portion 97.

[0044] The lens 94 is formed in a predetermined lens shape so as to have an angle of view according to a predetermined shooting area, and focuses light of a subject in the predetermined shooting area onto the imaging section 63. The lens 94 is formed with a lens attachment section 99 to be inserted into a holder section 97 of the lens holder 93, and a male screw 100 to be screwed into a female screw 98 of the holder section 97 of the lens holder 93 is provided on the outer circumferential surface of the lens attachment section 99. Therefore, the lens 94 can be attached to and detached from the lens holder 93 by a rotation operation.

[0045] Lens cover 95 is formed in a cylindrical shape that opens at the front and rear, and its rear side is attached to the front side of camera chassis 61. The center of the front side of lens cover 95 protrudes forward and is provided with opening 101 in which lens 94 is disposed. As shown in Figures 3 and 4, one end side of lens cover 95 is attached to camera chassis 61 with screw 102, and the other end side is attached by being pressed against camera chassis 61 by pressing member 104 attached to camera chassis 61 with screw 103.

[0046] The packing 96 is made of a material such as rubber or silicone, has elasticity and light-shielding properties, and is formed in a cylindrical shape. The packing 96 includes a cylindrical lens holder contact portion 105 that is attached in close contact with the outer circumferential surface of the holder portion 97 of the lens holder 93, a lens contact portion 106 that is in contact with the outer circumferential surface of the lens 94, and a lens cover contact portion 107 that is in close contact with the inner circumferential surface of the lens cover 95. Between the lens holder contact portion 105 and the lens cover contact portion 107, an expansion portion 108 that expands toward the front is formed. The lens cover contact portion 107 protrudes from the outer circumferential portion of the front end of the expansion portion 108, and the packing 96 is relatively inserted from the rear side of the lens cover 95, so that the tip side of the lens cover contact portion 107 elastically contacts the inner circumferential surface of the lens cover 95.

[0047] 3 and 4, the protective cover 65 is made of, for example, resin, and is formed in a box shape with an open front side, allowing a plurality of boards 62 to be stored between the protective cover 65 and the camera chassis 61. The front end side of the protective cover 65 is provided with a plurality of mounting claws 110 that are detachably attached to the camera chassis 61. The protective cover 65 is provided with insertion holes 111, 112 at positions facing the connector 76 and the connector 80, respectively, into which the second output line 77 and the communication cable 81 are inserted, respectively.

[0048] In the assembled state in which camera body 41 is disposed within camera housing 40, the rear side of protective cover 65 faces closely to rear portion 47 of case 44, allowing heat generated on the camera body 41 side to be dissipated from the rear side of protective cover 65 to rear portion 47 of case 44.

[0049] When installing the lighting device 10, the light source unit 16 is removed from the fixture body 15, the cover 45 to which the camera body 41 is attached is removed from the case 44 of the camera unit 12, and the case 44 of the camera unit 12 is attached to the fixture body 15.

[0050] The power line and communication cable 81 drawn out from the ceiling surface, which is the installation surface, are passed through the first wiring hole 22 and the second wiring hole 23 of the fixture body 15, respectively, and the rear side of the fixture body 15 is attached to the ceiling surface.

[0051] The power line is connected to terminal block 27. Communication cable 81 and second output line 77 from second power supply 29 are passed through communication hole 25 at the end of device body 15 to the case 44 side of camera unit 12, and these communication cable 81 and second output line 77 are inserted into connector 80 and connector 76 of camera body 41, respectively, for connection.

[0052] The cover 45 of the camera unit 12 is hooked onto the tabs 54 of the case 44, and the cover 45 is placed over the front side of the case 44. As a result, the cover attachment portion 57 is inserted into the inside of the end surface portion 49 of the case 44, and the attachment hole 58 of the cover attachment portion 57 is positioned opposite the insertion hole 53 of the end surface portion 49. The cover 45 is attached to the case 44 by screwing the cover attachment portion 57 into the attachment hole 58 from inside the instrument body 15 through the insertion hole 26 of the instrument body 15 and the insertion hole 53 of the end surface portion 49.

[0053] At this time, the orientation of the modular plug 82 of the communication cable 81 that is inserted and connected to the connector 80 is such that the removal operation unit 83 faces the front side of the camera body 41, thereby preventing the removal operation unit 83 from being operated accidentally during the work of attaching the cover 45 to the case 44, which would result in a poor connection between the modular plug 82 of the communication cable 81 and the connector 80.

[0054] Alternatively, the second output line 77 from the second power supply unit 29 may be connected to the connector 76 in advance, and the cover 45 may be attached to the case 44. In this case, the modular plug 82 of the communication cable 81 may be inserted into the connector 80 facing the communication hole 25 through the communication hole 25 at the end of the device body 15 for connection.

[0055] The mounting spring 36 of the light source unit 16 is raised against the spring force and hooked onto the spring receiving metal fitting 30 of the fixture body 15, and the first output line from the first power supply section 28 and the input line from the light source unit 16 are connector-connected. By pushing the light source unit 16 up towards the fixture body 15, the spring force of the mounting spring 36 causes the light source unit 16 to be pulled up and attached to the fixture body 15, completing the installation.

[0056] When AC power is supplied to the lighting device 10 from a commercial AC power source, the first power supply unit 28 converts the AC power into a predetermined DC power and supplies it to the light source 34 of the light source unit 16, causing the light source 34 to light up and provide illumination.

[0057] Furthermore, when AC power is supplied to lighting device 10 from a commercial AC power source, second power supply unit 29 converts the AC power into a predetermined DC power and supplies it to drive board 72 of camera unit 12 through second output line 77, thereby operating the circuit of drive board 72, the circuit of imaging board 71, and imaging unit 63. Furthermore, a predetermined DC power is supplied to communication board 73 through communication cable 81, causing communication board 73 to operate.

[0058] In the camera unit 12, the imaging unit 63 captures an image of a specified shooting area including the area illuminated by the lighting fixture 11, the image data captured by the imaging unit 63 is processed by the processing circuit of the drive board 72, and the processed image data is transmitted to the outside via the communication circuit of the communication board 73.

[0059] In addition, in the camera unit 12, heat generated by the operation of the imaging section 63 is transferred from the imaging board 71 to the camera chassis 61 via the heat conductive member 75 and the mounting member 74, and heat generated from the circuit of the drive board 72 is transferred to the camera chassis 61 via the heat conductive member 79 and the mounting member 84, from this camera chassis 61 to the metal cover 45, and further from the cover 45 to the metal case 44, and is dissipated into the outside air from the surfaces of these cover 45 and case 44.

[0060] Heat generated from the circuit of the communication board 73 is transferred to the heat sink 86 via the thermal conductive member 90, then from this heat sink 86 to the camera chassis 61 via the mounting member 84, from this camera chassis 61 to the metal cover 45, and further from the cover 45 to the metal case 44, and is dissipated into the outside air from the surfaces of these cover 45 and case 44.

[0061] Heat generated from component 88, which is a heat-generating component including a switching element that performs power conversion in the power conversion circuit of communication board 73, is transferred to protective cover 65 via heat conductive member 91, and is dissipated from the surface of protective cover 65 to closely opposed case 44, and is further dissipated from the surface of case 44 and further from the surface of cover 45 into the outside air.

[0062] Furthermore, camera unit 12 converts the power supplied through communication cable 81 and the power supplied from second power supply unit 29 through second output line 77, but when converting the power supplied from second power supply unit 29 through second output line 77, the difference in the converted voltage is relatively small and the amount of heat generated is relatively small, whereas when converting the power supplied through communication cable 81, the difference in the converted voltage is relatively large and the amount of heat generated is relatively large. Therefore, if heat generated by the conversion of the power supplied through communication cable 81 affects imaging unit 63, the heat dissipation ability of imaging unit 63 is impaired and the temperature of imaging unit 63 rises.

[0063] Therefore, by arranging the imaging board 71, drive board 72 and communication board 73 in that order from the front side of the camera unit 12 to the opposite rear side, and separating and separating the imaging board 71 and the communication board 73, the effect of the heat generated by the communication board 73 on the imaging section 63 of the imaging board 71 can be reduced.

[0064] In this manner, in the lighting device 10 of the present embodiment, the imaging unit 63 is disposed on the front side, that is, the light-illuminated side, and the connector 80 to which the communication cable 81 capable of supplying power is connected is disposed on the rear side, that is, the non-light-illuminated side. Therefore, the imaging unit 63 can be separated from the heat source associated with the supply of power to the connector 80, making it easier for the imaging unit 63 to dissipate heat, and suppressing a rise in temperature of the imaging unit 63.

[0065] Furthermore, the camera unit 12 is equipped with a plurality of boards 62, and among these boards 62, an imaging board 71 on which an imaging section 63 is provided is arranged on the light-irradiated side, and a communication board 73 on which a connector 80 is provided is arranged on the non-light-irradiated side. Therefore, the imaging board 71 and the communication board 73 can be separated, and temperature rise in the imaging section 63 can be suppressed.

[0066] Furthermore, by dividing it into multiple boards 62, i.e., into imaging board 71, drive board 72, and communication board 73, the area of ​​the board surface is smaller than in the case of a single board, and by stacking the board surfaces so that they are parallel, camera body 41 can be made small, and camera body 41 can be housed within camera housing 40, which has approximately the same cross-sectional shape as lighting fixture 11.

[0067] Furthermore, by suppressing the temperature rise of the imaging section 63, noise in the image captured by the imaging section 63 can be reduced, and deterioration of image quality can be suppressed.

[0068] In addition, since the second power supply unit 29 that supplies driving power to the imaging unit 63 of the camera unit 12 is arranged in the long fixture body 15 of the lighting fixture 11, the heat generated by the second power supply unit 29 does not affect the imaging unit 63, and the temperature rise of the imaging unit 63 can be suppressed.

[0069] Furthermore, in the optical system 64, the gap between the lens holder 93 and the lens 94 and the lens cover 95 is sealed with the packing 96, so that dust and insects can be prevented from entering the inside of the camera unit 12 from the outside.

[0070] Furthermore, the lens 94 is configured to be detachable from the lens holder 93 with a gasket 96 attached between the lens holder 93 and the lens cover 95. Therefore, when the shooting area, i.e., the angle of view achieved by the lens 94, is changed, or when the lens 94 becomes dirty or damaged, it is possible to easily replace only the lens 94 without disassembling the camera unit 12.

[0071] Furthermore, since an expanding portion 108 that expands forward is provided between the lens holder contact portion 105 and the lens cover contact portion 107 of the packing 96, the angle of view can be prevented from being restricted by the packing 96 even when a lens 94 with a wide angle of view is used.

[0072] It should be noted that the camera unit 12 may be designed so that the imaging section 63 and the like operate using power supplied through the communication cable 81 without using the second power supply section 29.

[0073] Furthermore, the lighting device 10 is not limited to a combination of the camera unit 12 and the base light type lighting fixture 11, but may be a combination of the camera unit 12 and a ceiling light, a security light, a street light, a high ceiling fixture, or the like.

[0074] Although some embodiments of the present invention have been described, these embodiments are presented as examples 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 modifications can be made without departing from the spirit of the invention. These embodiments and their modifications are included in the scope and spirit of the invention, and are included in the scope of the invention and its equivalents described in the claims. [Explanation of symbols]

[0075] 10. Lighting Equipment 11 Lighting equipment 12 Camera unit 15. Equipment body 16 Light source unit 28 1st power supply section 29 2nd power supply section 41 Camera Body 62 Substrate 63 Imaging unit 71 Imaging Board 73 Communication Board 80 Connectors 81 Communication Cable

Claims

1. A lighting device for emitting light; a camera unit having a camera body that houses an imaging section arranged on a light irradiation side corresponding to a light irradiation direction of the lighting fixture, an imaging board arranged on the light irradiation side and on which the imaging section is provided, a communication board arranged on a non-light irradiation side opposite to the light irradiation side on which the imaging board is arranged, and a connector arranged on the communication board and to which a communication cable capable of supplying DC power wired from the lighting fixture side is connected, wherein at least the communication board is operated by DC power supplied through the communication cable connected to the connector, and communication is performed through the communication cable; A lighting device comprising:

2. The lighting fixture comprises: a long instrument body having the camera unit at an end thereof and the communication cable connected to the connector of the camera body; A light source unit disposed in the device body; A first power supply unit that is disposed between the fixture body and the light source unit and turns on the light source unit; a second power supply unit disposed in the device body and supplying power for driving the imaging unit of the camera body; have 2. The lighting device according to claim 1.

Images