JP2015115144A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture improved in general versatility.SOLUTION: A fixture body 1 has an opening part 111 at its one end. A light source unit 2 is disposed at the side of the opening part 111 inside the fixture body 1. An emergency power source 4 is disposed at a side opposite to the opening part 111 inside the fixture body 1, and delivers electricity in a case of power outage. A power source device 3 charges the emergency power source 4 via the outside power source in a condition where the outside power source is normally supplied, and lights the light source unit 2 via the emergency power source 4 when the outside power source breaks down. The light source unit 2 includes: an LED chip 21; a lens 22 controlling light distribution of light emitted from the LED chip 21; and a heat-releasing member 24 releasing heat generated at the LED chip 21. The LED chip 21, the lens 22 and the heat-releasing member 24 are integrally assembled so as to cover the LED chip 21 with the lens 22 and the heat-releasing member 24.

Description

  The present invention relates to a lighting fixture.

  Conventionally, a ceiling-embedded lighting fixture embedded in a ceiling has been provided (see, for example, Patent Document 1). The lighting fixture described in Patent Document 1 lights an appliance body embedded in a ceiling, a lamp device that is detachably attached to the appliance body, an emergency light source attached to the appliance body, and an emergency light source in an emergency And an emergency unit.

  The instrument main body is formed in a bottomed cylindrical shape having an open bottom surface, and a radiator is integrally provided at the bottom of the instrument main body. Also, the lamp device is housed inside the fixture body, and heat generated by the light source of the lamp device is radiated to the outside through the radiator of the fixture body.

JP 2012-204209 A

  Since the lighting fixture shown in the above-mentioned Patent Document 1 is provided with a radiator in the fixture body, for example, when changing the radiator according to the type of light source, the fixture body must also be replaced together. It was not very versatile.

  This invention is made | formed in view of the said problem, The place made into the objective is to provide the lighting fixture which improved versatility.

  The lighting fixture of the present invention is arranged on the opposite side of the opening inside the fixture main body, the light source unit arranged on the opening side inside the fixture main body, the fixture main body having an opening at one end. An emergency power supply for supplying power in the event of a power failure of the external power supply, and the emergency power supply is charged by the external power supply in a state where the external power supply is normally supplied, and the emergency power supply when the power failure occurs A power supply device that turns on the light source unit, wherein the light source unit is a light source, an optical member that controls light distribution of light emitted from the light source, and a heat radiating member that radiates heat generated by the light source. And the light source, the optical member and the heat radiating member are integrally assembled so as to cover the light source by the optical member and the heat radiating member. That.

  This lighting fixture preferably includes an attachment structure for attaching the light source unit to the fixture body.

  In this lighting fixture, the mounting structure includes a first hooking portion provided in at least one of the emergency power supply and the power supply device, and a first hooking portion provided in the light source unit. Alternatively, it is preferable that the first hooked portion provided in at least one of the emergency power supply and the power supply device and the first hooked portion provided in the light source unit are also configured.

  In this lighting fixture, the mounting structure includes a first hook portion provided on one side of the fixture body or the light source unit, and a first hook portion provided on the other side on which the first hook portion is hooked. It is also preferable that it is configured.

  Further, in this lighting fixture, the first hooking portion or the first hooked portion provided on the fixture main body does not interfere with the emergency power source when the emergency power source is attached to or detached from the fixture main body. It is also preferable to be provided at the position.

  Further, the lighting device includes a frame body configured by a frame portion that closes the opening, and a second hook portion that is hooked on a second hook portion provided on the inner surface of the fixture body. It is also preferable.

  According to the configuration of the present invention, by providing the heat dissipation member in the light source unit, the same fixture body can be used even when the heat dissipation member is changed according to the type of the light source, and a highly versatile lighting fixture is provided. There is an effect that can be.

It is a disassembled perspective view of the lighting fixture of Embodiment 1. FIG. (A) is an exploded perspective view of the light source unit used in the above, and (b) is a perspective view of another lens constituting the light source unit used in the above. It is sectional drawing of the light source unit used for the same as the above. It is a disassembled perspective view of the lighting fixture of Embodiment 2. FIG. It is sectional drawing same as the above.

  Hereinafter, an embodiment of a lighting apparatus will be described with reference to the drawings. This luminaire is, for example, a ceiling-embedded emergency light embedded in a ceiling, and turns on a light source when a commercial power source (external power source) fails. In the following description, the longitudinal direction of the instrument body 1 is defined as the vertical direction (the opening 111 side is the lower side) unless otherwise specified.

(Embodiment 1)
FIG. 1 is an exploded perspective view of a lighting fixture 10 according to the present embodiment. The lighting fixture 10 includes a fixture body 1, a light source unit 2, a power supply device 3, an emergency power supply 4, a terminal block 5, and a frame. 6.

  The instrument main body 1 is made of an incombustible material such as a steel plate, for example, and has a main body 11 formed in a cylindrical shape that is long in the vertical direction. A circular opening 111 is provided at the lower end of the main body 11, and a flange 12 protruding laterally is provided at the opening edge of the opening 111 over the entire circumference. In addition, a pair of notches 112 and 112 that open in a T-shape are provided on the side wall of the main body 11 at positions that are symmetrical with respect to the central axis of the main body 11 (only one side is shown in FIG. 1). ).

  As shown in FIG. 1, the power supply device 3 includes a case 31 that is long in the vertical direction, and a hooking claw 32 is integrally provided at the lower end of the case 31. Inside the case 31, there is a charging circuit (not shown) for charging the emergency power supply 4 with the commercial power supply during normal times when the commercial power supply is normally supplied, and the light source unit by the emergency power supply 4 when the commercial power supply fails. A power feeding circuit (not shown) for lighting 2 is housed.

  As shown in FIG. 1, the emergency power supply 4 has a case 41 that is long in the vertical direction, and a hooking claw 42 is integrally provided at the lower end of the case 41. Inside the case 41, a plurality of storage batteries (not shown) are stored side by side in the vertical direction. The emergency power supply 4 has a connection portion (not shown) that is electrically connected to a connected portion (not shown) of the power supply device 3, and the connection portion of the emergency power supply 4 is connected to the power supply device. 3 is connected to the power source device 3 and the emergency power source 4.

  The terminal block 5 has a main body 51 formed in a rectangular box shape, and a connection portion (fast connection terminal structure) to which an external power line (not shown) is connected to the upper end of the main body 51. (Not shown) is provided. In addition, a connected portion (not shown) to which a connecting portion (not shown) provided at the upper end portion of the power supply device 3 is electrically connected is provided at the lower end portion of the main body 51. Then, the terminal block 5 and the power supply device 3 are electrically connected by connecting an external power line to the connection portion of the main body portion 51 and connecting the connection portion of the power supply device 3 to the connected portion of the main body portion 51. Connected.

  The frame body 6 is made of an incombustible material such as a steel plate, for example, and has a frame portion 61 formed in a disk shape. A circular opening 611 is provided at the center of the frame portion 61. A pair of attachment springs 62 and 62 for attaching the frame body 6 to the instrument body 1 are attached to the upper surface of the frame portion 61 so as to face each other. Then, the frame body 6 is brought closer to the instrument main body 1 from below, and the attachment spring 62 corresponding to each spring receiving part (not shown) provided on the inner surface of the main body part 11 of the instrument main body 1 is hooked. Thus, the frame body 6 is attached to the instrument body 1.

  Here, in the present embodiment, the pair of attachment springs 62, 62 constitutes the second hooking portion, and the pair of spring receiving portions to which the pair of attachment springs 62, 62 are attached constitutes the second hooked portion. .

  As illustrated in FIG. 2A, the light source unit 2 includes an LED chip 21 (light source), a lens 22 (optical member), a mounting member 23, a heat radiating member 24, and a heat radiating sheet 25. The heat dissipation sheet 25 is attached in advance to the back surface of the LED chip 21 (upper surface in FIG. 2A).

  The lens 22 is made of, for example, transparent glass, and has a main body portion 221 formed in a columnar shape having a vertical axis as a central axis. A pair of projecting portions 222 and 222 projecting sideways are provided on the upper end edge of the main body portion 221 at positions symmetrical to the central axis of the main body portion 221. Moreover, as shown in FIG. 3, the lower surface of the main-body part 221 is formed in the shape of a mortar which becomes dented upwards, so that it becomes near the center. The light distribution of the light emitted from the LED chip 21 can be controlled by the lens 22.

  The attachment member 23 is, for example, a synthetic resin molded product, and has a main body portion 231 formed in a disk shape as shown in FIG. A housing recess 231 a for housing the LED chip 21 is provided on the lower surface of the main body 231. In addition, a pair of protruding wall portions 232 and 232 formed in an L shape are provided on the outer peripheral edge of the main body portion 231 so as to face each other. As a result, a groove 232 a is formed between each protruding wall 232 and the lower surface of the main body 231.

  In addition, a pair of elastic pieces 233 and 233 that are inclined toward each other (that is, outward) as they approach the lens 22 (that is, go downward) are provided on the outer peripheral edge of the main body 231 so as to face each other. Yes. A connector portion 234 that protrudes upward is integrally provided on the upper surface of the main body portion 231. The connector part 234 is comprised by the cylinder 234a formed in the square cylinder shape, and the connection terminal (not shown) accommodated in the inside of the cylinder 234a, and a connection terminal is via an electric wire (not shown). The LED chip 21 is electrically connected.

  As shown in FIG. 2A, an opening 231d that opens in a rectangular shape is provided on the bottom surface of the housing recess 231a. A pair of L-shaped ribs 231e and 231e are provided facing each other at the opening edge of the opening 231d so as to exclude one of the pair of corners located diagonally. Further, a hooking claw (not shown) for attaching the LED chip 21 to the attachment member 23 is provided at the opening edge of the opening 231d.

  Further, a rib 231f adjacent to the opening 231d is provided on the bottom surface of the housing recess 231a, and an electric wire electrically connected to the LED chip 21 is provided on the opposite side of the opening 231d with respect to the rib 231f. A groove (not shown) for accommodating is provided.

  In addition, a pair of holes 231b and 231b connected to the inside of the cylindrical body 234a of the connector portion 234 are provided at a position corresponding to the connector portion 234 on the bottom surface of the housing recess 231a. The LED chip 21 and the lens 22 are attached to the mounting member 23 so that the LED chip 21 is disposed between the lens 22 and the mounting member 23 in the vertical direction (see FIG. 3).

  The heat radiating member 24 is made of, for example, aluminum having high heat radiating properties, and has a main body 241 formed in a cylindrical shape as shown in FIG. A circular opening 241 a is provided at the lower end of the main body 241, and a heat-dissipating fin 241 b protruding laterally is provided on the side wall of the main body 241 over the entire circumference. . Further, a hole (not shown) is provided at a position corresponding to the connector portion 234 of the attachment member 23 on the bottom surface portion of the main body portion 241.

  As shown in FIG. 3, the LED chip 21, the lens 22, and the attachment member 23 assembled together are accommodated in the heat dissipation member 24 in such a direction that the lens 22 is on the opening side and the attachment member 23 is on the bottom side. That is, in this embodiment, the LED chip 21 is covered with the lens 22 and the heat dissipation member 24. In addition, the LED chip 21, the lens 22, and the attachment member 23 assembled together are attached to the heat dissipation member 24 by an appropriate attachment means.

  Next, the assembly procedure of the light source unit 2 will be described. First, the operator attaches the LED chip 21 to which the heat dissipation sheet 25 is attached to the attachment member 23 in a direction in which the light emitting surface side is the lower side. At this time, the operator inserts the corner of the LED chip 21 between the rib 231e and the rib 231f, and then fixes the opposite corner of the LED chip 21 with a hooking claw (not shown). Thereby, the LED chip 21 is accommodated in the accommodating recess 231 a of the attachment member 23.

  Thereafter, the operator connects each electric wire connected to the LED chip 21 to each connection terminal through the holes 231b and 231b, and accommodates each connection terminal in the cylinder 234a of the connector portion 234 from above.

  Further, the operator brings the lens 22 closer to the mounting member 23 from below, and inserts each protrusion 222 of the lens 22 into the corresponding groove 232 a of the mounting member 23. At this time, each protruding portion 222 comes into contact with the corresponding protruding wall portion 232, so that the protruding wall portion 232 bends outward, and when the lens 22 is further pushed, each protruding portion 222 is inserted into the corresponding groove portion 232a. As a result, the lens 22 is attached to the attachment member 23 (see FIG. 3).

  At this time, the LED chip 21 is disposed between the lens 22 and the mounting member 23 in the vertical direction, but the depth dimension of the housing recess 231a is set deeper than the thickness dimension of the LED chip 21, so that the lens 22 does not contact the light emitting surface of the LED chip 21.

  Finally, the operator stores the LED chip 21, the lens 22, and the attachment member 23 assembled together in the heat radiating member 24 in such a direction that the lens 22 is on the opening side and the attachment member 23 is on the bottom side. At this time, the connector portion 234 of the attachment member 23 is exposed to the outside through a hole (not shown) provided in the bottom surface portion of the heat dissipation member 24 (see FIG. 3).

  Subsequently, an assembly procedure of the lighting fixture 10 will be described. The operator stores the terminal block 5, the power supply device 3, the emergency power supply 4, and the light source unit 2 in the order in the instrument body 1, and then closes the opening 111 of the instrument body 1 with the frame body 6. At this time, the connecting portion of the power supply device 3 is connected to the connected portion of the terminal block 5, and the connecting portion of the emergency power supply 4 is connected to the connected portion of the power supply device 3.

  Further, the connector portion 234 of the light source unit 2 is connected to a connector portion (not shown) provided in the power supply device 3, and the power supply device 3 and the LED chip 21 are electrically connected. Further, the hooking claw 32 of the power supply device 3 and the hooking claw 42 of the emergency power supply 4 are respectively hooked on hooked portions (not shown) provided in the light source unit 2, and the light source unit 2 is connected to the power supply device 3 and the emergency use. It is held by the power source 4.

  Here, in the present embodiment, the first hooking portion is configured by the hooking claws 32 and 42, and the first hooked portion is configured by the hooked portion to which the hooking claws 32 and 42 are hooked. Moreover, the attachment structure for attaching the light source unit 2 to the instrument main body 1 is comprised by the hooking claws 32 and 42 and the said hooked part.

  Thus, according to the present embodiment, by providing the heat radiating member 24 in the light source unit 2, the same instrument body 1 can be used even when the heat radiating member 24 is changed according to the type of the light source. The high lighting fixture 10 can be provided. Further, the light source unit 2 can be held only by hooking the hooking claws 32 of the power supply device 3 and the hooking claws 42 of the emergency power supply 4 on the hooked portions of the light source unit 2, respectively, and are held using screws or the like. Compared with the above, workability can be improved.

  Furthermore, the frame body 6 can be attached to the instrument body 1 simply by hooking each attachment spring 62 of the frame body 6 to the corresponding spring receiving portion of the instrument body 1, and the frame body 6 can be easily attached to the instrument body 1. Detachable. Moreover, when the instrument main body 1 and the frame body 6 are formed of steel plates, the heat dissipation efficiency is lower than when the instrument main body 1 and the frame body 6 are formed of aluminum, but the heat dissipation member 24 as in the present embodiment. By providing the light source unit 2 in the light source unit 2, it is possible to suppress a decrease in heat dissipation efficiency.

  In the present embodiment, the hooking claws 32 and 42 (first hooking portions) are provided in the power supply device 3 and the emergency power supply 4, respectively. However, the first hooking portion is provided in at least one of the power supply device 3 and the emergency power supply 4. It is sufficient if it is provided, and the present invention is not limited to this embodiment. In the present embodiment, the power supply device 3 and the emergency power supply 4 are provided with the first hooking portion, and the light source unit 2 is provided with the first hooked portion. However, the power supply device 3 and the emergency power supply 4 are provided with the first hooked portion. May be provided, and the light source unit 2 may be provided with the first hooking portion.

  Furthermore, the first hooking portion and the first hooked portion in the present embodiment are examples, and other structures may be used as long as the power supply device 3 or the emergency power supply 4 can hold the light source unit 2. In the present embodiment, the LED chip 21 is used as the light source. However, for example, an organic light emitting diode (OLED) may be used as the light source, and the present invention is not limited to this embodiment.

  The lighting fixture 10 of this embodiment includes a fixture main body 1, a light source unit 2, an emergency power supply 4, and a power supply device 3. The instrument body 1 has an opening 111 at one end. The light source unit 2 is disposed on the opening 111 side inside the instrument body 1. The emergency power source 4 is disposed on the opposite side of the opening 111 inside the appliance body 1 and supplies power when a commercial power source (external power source) fails. The power supply device 3 charges the emergency power supply 4 with the commercial power supply when the commercial power supply is normally supplied, and turns on the light source unit 2 with the emergency power supply 4 when the commercial power supply fails. The light source unit 2 includes an LED chip 21 (light source), a lens 22 (optical member) that controls light distribution of light emitted from the LED chip 21, a heat radiating member 24 that radiates heat generated by the LED chip 21, Have The LED chip 21, the lens 22, and the heat dissipation member 24 are integrally assembled so as to cover the LED chip 21 with the lens 22 and the heat dissipation member 24.

  Moreover, it is preferable to provide the attachment structure (the hooking claws 32 and 42 and the to-be-hooked part of the light source unit 2) for attaching the light source unit 2 to the fixture main body 1 like the lighting fixture 10 of this embodiment.

  Moreover, like the lighting fixture 10 of the present embodiment, the mounting structure includes a first hooking portion (the hooking claws 32 and 42) and a first hooked portion on which the first hooking portion is hooked. Is preferred. In this case, the first hooking portion is provided in at least one of the emergency power supply 4 and the power supply device 3, and the first hooking portion is provided in the light source unit 2. Alternatively, at least one of the emergency power supply 4 and the power supply device 3 is provided with the first hooked portion, and the light source unit 2 is provided with the first hooked portion.

  Moreover, like the lighting fixture 10 of this embodiment, it is hooked by the frame part 61 which obstruct | occludes the opening part 111 of the instrument main body 1, and the spring receiving part (2nd to-be-hooked part) provided in the inner surface of the instrument main body 1. FIG. It is preferable that the frame body 6 composed of the attachment spring 62 (second hooking portion) is provided.

(Embodiment 2)
Embodiment 2 of the lighting fixture 10 will be described with reference to FIGS. 4 and 5.

  FIG. 4 is an exploded perspective view of the lighting fixture 10 of the present embodiment. The lighting fixture 10 includes a fixture main body 1, a light source unit 2, a power supply block 7, and a frame 6. The light source unit 2 is the same as that of the first embodiment, and detailed description thereof is omitted here.

  The instrument main body 1 is made of an incombustible material such as a steel plate, for example, and has a main body 11 formed in a cylindrical shape that is long in the vertical direction. A circular opening 111 is provided at the lower end of the main body 11, and a flange 12 protruding laterally is provided at the opening edge of the opening 111 over the entire circumference.

  A pair of notches 112 and 112 that open in a T-shape are provided on the side wall of the main body 11 at positions symmetrical to the central axis of the main body 11 (only one side is shown in FIG. 4). Further, a pair of spring receiving portions 113, 113 on which the attachment springs 62, 62 (see FIG. 5) of the frame body 6 are hooked on the side wall portion of the main body portion 11 are symmetrical with respect to the central axis of the main body portion 11. (Only one side is shown in FIG. 4).

  The power supply block 7 has a case 71 formed in a box shape that is long in the vertical direction, and a hooking claw 72 is integrally provided at the lower end of the case 71. The case 71 accommodates an emergency power source (not shown) made up of a plurality of storage batteries and a power supply device (not shown) made up of a charging circuit and a power feeding circuit. Here, the charging circuit charges the emergency power supply with the commercial power supply at normal times when the commercial power supply is normally supplied, and the power feeding circuit turns on the light source unit 2 with the emergency power supply when the commercial power supply fails. is there.

  Here, as shown in FIG. 4, a hook metal fitting 8 constituting the first hook portion is provided in the light source unit 2, and a hole or a protrusion (on which the hook metal fitting 8 is hooked on the inner peripheral surface of the instrument main body 1). (Not shown) is provided. Then, after the power supply block 7 and the light source unit 2 are housed in the instrument main body 1 from the lower side in this order, the light source unit 2 is attached to the instrument main body 1 by hooking a part of the hook 8 into the hole or protrusion. It is attached to the main body 1.

  Further, by operating the operating portion 81 of the hook metal fitting 8 from the state in which the lighting fixture 10 is assembled, the hook metal fitting 8 is moved in a direction away from the hole or protrusion of the appliance main body 1, thereby moving the light source unit 2 to the instrument main body. 1 can be removed. Here, in the present embodiment, the first hooking portion is constituted by the hook metal fitting 8, and the first hooked portion is constituted by the hole or the protrusion of the instrument main body 1.

  Further, when the lighting fixture 10 is assembled, the hooking claw 72 of the power supply block 7 is hooked on the stepped portion 241 c provided on the main body 241 of the heat radiating member 24, and the light source unit 2 is also held by the power supply block 7. (See FIG. 5). As a result, the light source unit 2 can be firmly held. Here, in this embodiment, the hooking claw 72 of the power supply block 7 also constitutes the first hooking portion, and the stepped portion 241c of the heat dissipation member 24 also constitutes the first hooked portion.

  Thus, according to the present embodiment, by providing the heat radiating member 24 in the light source unit 2, the same instrument body 1 can be used even when the heat radiating member 24 is changed according to the type of the light source. The high lighting fixture 10 can be provided. Further, the light source unit 2 can be held by simply hooking the hook metal fitting 8 on the hole or protrusion of the instrument body 1 and hooking the hook pawl 72 of the power supply block 7 on the step portion 241c of the heat radiating member 24. The workability can be improved as compared with the case where it is held using.

  The hole or protrusion to which the hook metal fitting 8 is hooked is preferably provided at a position where the power supply block 7 does not interfere when the power supply block 7 is attached to or detached from the instrument body 1. The workability at the time can be improved. In the present embodiment, the LED chip 21 is used as the light source. However, for example, an organic light emitting diode (OLED) may be used as the light source, and the present invention is not limited to this embodiment.

  Furthermore, in the present embodiment, the light source unit 2 is provided with the hook metal fitting 8 (first hook portion), and the instrument body 1 is provided with the hole or protrusion (first hook portion). A hook part may be provided, and the instrument body 1 may be provided with a first hook part. In this embodiment, the power source block 7 is provided with the hooking claw 72 (first hooking portion) and the light source unit 2 is provided with the step portion 241c (first hooking portion). May be provided, and the light source unit 2 may be provided with the first hooking portion.

  The lighting fixture 10 of the present embodiment includes a fixture main body 1, a light source unit 2, and a power supply block 7 (a power supply device and an emergency power supply). The instrument body 1 has an opening 111 at one end. The light source unit 2 is disposed on the opening 111 side inside the instrument body 1. The power supply block 7 is disposed on the opposite side of the opening 111 inside the instrument main body 1 and supplies power when a commercial power supply (external power supply) fails. The power supply block 7 charges the emergency power supply with the commercial power supply in a state where the commercial power supply is normally supplied, and turns on the light source unit 2 with the emergency power supply when the commercial power supply fails. The light source unit 2 includes an LED chip 21 (light source), a lens 22 (optical member) that controls light distribution of light emitted from the LED chip 21, a heat radiating member 24 that radiates heat generated by the LED chip 21, Have The LED chip 21, the lens 22, and the heat dissipation member 24 are integrally assembled so as to cover the LED chip 21 with the lens 22 and the heat dissipation member 24.

  Moreover, like the lighting fixture 10 of this embodiment, the attachment structure for attaching the light source unit 2 to the fixture main body 1 (the hooking claw 72 and the step portion 241c, and the holes or protrusions of the hook fitting 8 and the fixture main body 1) is provided. It is preferable to provide.

  Moreover, like the lighting fixture 10 of the present embodiment, the mounting structure is configured by the hook metal fitting 8 (first hook portion) and the hole or protrusion (first hook portion) on which the hook metal fitting 8 is hooked. It is preferable. In this case, the hook 8 is provided on one of the instrument body 1 or the light source unit 2, and the hole or protrusion is provided on the other of the instrument body 1 or the light source unit 2.

  Moreover, like the lighting fixture 10 of the present embodiment, the first hooking portion or the first hooking portion provided in the fixture main body 1 has a power supply block when the power supply block 7 is attached to and detached from the fixture main body 1. 7 is preferably provided at a position where it does not interfere.

  Moreover, like the lighting fixture 10 of this embodiment, it hooks on the frame part 61 which obstruct | occludes the opening part 111 of the instrument main body 1, and the spring receiving part 113 (2nd to-be-hooked part) provided in the inner surface of the instrument main body 1. It is preferable to include a frame body 6 composed of a mounting spring 62 (second hooking portion).

DESCRIPTION OF SYMBOLS 1 Instrument body 2 Light source unit 3 Power supply device 4 Emergency power supply 21 LED chip (light source)
22 Lens (optical member)
24 Heat dissipation member 111 opening

Claims (6)

An instrument body having an opening at one end;
A light source unit disposed on the opening side in the instrument body;
An emergency power supply that is arranged on the opposite side of the opening inside the instrument body and supplies power during a power failure of an external power supply,
In the state where the external power supply is normally supplied, the emergency power supply is charged by the external power supply, and the power supply device that lights the light source unit by the emergency power supply when the external power supply fails.
The light source unit includes a light source, an optical member that controls light distribution of light emitted from the light source, and a heat radiating member that radiates heat generated by the light source,
The lighting device, wherein the light source, the optical member, and the heat dissipation member are integrally assembled so as to cover the light source with the optical member and the heat dissipation member.   The lighting fixture according to claim 1, further comprising an attachment structure for attaching the light source unit to the fixture body.   The mounting structure includes a first hooking portion provided in at least one of the emergency power source and the power supply device and a first hooking portion provided in the light source unit, or the emergency power source. The lighting fixture according to claim 2, comprising: a first hooked portion provided in at least one of a power source and the power supply device; and a first hooking portion provided in the light source unit.   The mounting structure includes a first hooking portion provided on one of the instrument main body or the light source unit and a first hooked portion provided on the other side and hooked by the first hooking portion. The lighting fixture according to claim 2.   The first hooking portion or the first hooked portion provided in the instrument main body is provided at a position where the emergency power supply does not interfere when the emergency power supply is attached to or detached from the instrument main body. The lighting fixture according to claim 4.   The frame body comprised by the frame part which obstruct | occludes the said opening part, and the 2nd hook part hooked by the 2nd hook part provided in the inner surface of the said instrument main body is provided. The lighting fixture of any one of 1-5.

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