JP7214547B2 - lighting equipment - Google Patents

Description

TECHNICAL FIELD The present invention relates to a lighting fixture exhibiting waterproof performance.

There are lighting fixtures that are required to be waterproof as lighting that is installed under the eaves or outdoors. In particular, emergency lighting fixtures are required to maintain the illuminance necessary for evacuation even in power outages that occur in the event of a disaster such as a fire or an earthquake, in addition to waterproof performance.

In such a waterproof lighting fixture, the housing of the lighting fixture is configured to have a waterproof structure, and the lighting device, storage battery, and other non-waterproof members are housed inside the housing. As a result, the luminaire prevents water from entering inside and protects the non-waterproof members.

Patent Literature 1 discloses a lighting fixture having a light source section having an annular packing that is in close contact with an emission port formed in a cover portion and an emission member exposed from the emission port. The lighting fixture forms a light source unit by attaching the light source portion to the cover portion in close contact with the pressure spacer. As a result, the lighting fixture secures the waterproof performance of the outlet.

JP 2018-97923 A

In the waterproof lighting fixture described in Patent Document 1, the main unit is first attached to the ceiling during installation. Next, it is necessary to electrically connect the lighting unit and the light source unit attached to the main unit. Before the light source unit is fixed to the main unit, it is necessary to electrically connect the lighting unit and the light source unit. Therefore, there is a risk that the light source unit will drop during work before being fixed to the main body unit.

SUMMARY OF THE INVENTION The present invention is intended to solve the above-mentioned problems. An object of the present invention is to obtain a lighting fixture that can prevent

A lighting fixture of the present invention includes a main unit attached to a mounting portion, a light source for emitting light, a lighting device attached to the main unit for lighting the light source, a light source holding portion holding the light source, an emission member that controls distribution of light emitted from the light source; a cover attachment member that is attached to the main unit and supports the light source holder on the side of the emission member; the lighting device; a cover part formed with an emission opening for housing the emission member and the cover attachment member and exposing the emission member; and a packing closing a gap between the emission opening, By being fastened to the cover portion mounting member with a screw, the packing is drawn toward the main unit side, and the packing surrounds the outlet when the cover portion is fastened to the cover portion mounting member, It is in close contact with the emitting member and the light source holding portion.

According to the lighting fixture of the present invention, the light source for emitting light is attached to the main unit. As a result, the light source is preliminarily attached to the main unit, there is no need for an electrical connection between the light source and the main unit during construction, and the light source can be prevented from falling after the main unit is attached to a mounting location such as a ceiling. .

1 is a perspective view showing a lighting fixture according to Embodiment 1; FIG. 1 is an exploded perspective view showing a lighting fixture according to Embodiment 1; FIG. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory diagram showing a longitudinal section of a lighting fixture according to Embodiment 1; 4 is an explanatory diagram showing an enlarged part A of FIG. 3 of the lighting fixture according to Embodiment 1. FIG. 1 is a perspective view showing a lighting fixture without a cover and packing according to Embodiment 1; FIG. 1 is a perspective view showing a lighting fixture without a cover, packing, and holder according to Embodiment 1. FIG. 1 is a perspective view showing a lighting fixture without a cover, packing, holder, light source, and heat sink according to Embodiment 1. FIG. FIG. 2 is an explanatory view showing a longitudinal section of the packing, the monitor LED and the switch according to the first embodiment; FIG. 10 is a plan view showing a lighting fixture without a cover portion in which the mounting position of the cover portion mounting member is shifted according to Modification Example 1 of Embodiment 1; FIG. 10 is an explanatory view showing a vertical cross section of a lighting fixture having a cover part without a cover side part according to Modification 2 of Embodiment 1; FIG. 11 is an exploded perspective view showing a lighting fixture according to Modification 3 of Embodiment 1; FIG. 10 is a perspective view showing a lighting fixture according to Embodiment 2; FIG. 11 is an exploded perspective view showing a lighting fixture according to Embodiment 2; FIG. 6 is an explanatory diagram showing a longitudinal section of a lighting fixture according to Embodiment 2;

Embodiments are described below with reference to the drawings. In addition, in each figure, the same reference numerals denote the same or corresponding parts, and this is common throughout the specification. Also, in the cross-sectional drawings, hatching is appropriately omitted in view of visibility. Furthermore, the forms of components shown in the entire specification are merely examples and are not limited to these descriptions.

Embodiment 1.
<Characteristics of lighting device 1a>
FIG. 1 is a perspective view showing a lighting fixture 1a according to Embodiment 1. FIG. FIG. 2 is an exploded perspective view showing the lighting fixture 1a according to Embodiment 1. FIG. FIG. 3 is an explanatory diagram showing a longitudinal section of the lighting fixture 1a according to Embodiment 1. As shown in FIG. FIG. 4 is an explanatory diagram showing an enlarged part A of FIG. 3 of the lighting fixture 1a according to the first embodiment. FIG. 5 is a perspective view showing lighting fixture 1a without cover portion 10a and packing 22 according to the first embodiment. FIG. 6 is a perspective view showing lighting fixture 1a without cover portion 10a, packing 22 and holder 9 according to the first embodiment. FIG. 7 is a perspective view showing lighting fixture 1a without cover portion 10a, packing 22, holder 9, light source 5 and radiator plate 27 according to the first embodiment. FIG. 8 is an explanatory view showing the packing 22, the monitor LED 42 and the switch 45 according to Embodiment 1 in longitudinal section.

<Configuration of lighting device 1a>
As shown in FIG. 3, the lighting fixture 1a is fixed to a mounting portion such as a ceiling. As shown in FIG. 2, the lighting fixture 1a includes a cover portion 10a, a light source portion 20, a lighting device 30, a power terminal block 40, and a main body unit 60. As shown in FIG.

<Cover part 10a>
As shown in FIGS. 1, 2 and 3, the cover portion 10a accommodates the lighting device 30, the holder 9 as the light source holding portion, the radiator plate 27, the optical control member 21 as the emission member, and the cover portion mounting member 63a. do. The cover portion 10a is formed with an exit port 14 through which the tip portion of the optical control member 21 is exposed.

The cover portion 10a is formed in a cylindrical shape with one end closed and the other end open. The cover portion 10 a has a cover front portion 11 and a cover side portion 12 . The cover front part 11 is a bottomed part at one end. The cover side surface portion 12 is a cylindrical peripheral surface portion. The cover portion 10a accommodates the light source portion 20, the lighting device 30, and the power terminal block 40 therein.

As shown in FIG. 2, a circular emission port 14 is formed in the center of the cover front surface portion 11, which is one end side of the cover portion 10a. A circular opening 16 is formed at the other end of the cover portion 10a.

As shown in FIGS. 1, 2, and 3, a storage portion 11-1 is formed around the outlet 14 of the cover front portion 11. As shown in FIGS. As shown in FIG. 3, the storage portion 11-1 holds a packing 22. As shown in FIG. As shown in FIGS. 1 and 2, a plurality of display openings 15 are formed in the housing portion 11-1. The display port 15 enables the signal receiving section to receive an external signal. The display port 15 enables the monitor LED 42 shown in FIG. 8 to be visually recognized from the outside of the lighting device 1a.

<Cover Attachment Member 63a>
As shown in FIGS. 2, 3, 4, and 5, the cover attachment member 63a is attached to the main unit 60, draws the cover 10a to the main unit 60 and fastens it, and holds the holder, which is the light source holder. 9 and the radiator plate 27 are supported by the supporting portion 64 so as to be pressed toward the optical control member 21, which is the emitting member. A pair of cover portion mounting members 63a are provided so as to sandwich the holder 9 and the heat sink 27 therebetween. The cover portion mounting member 63 a has a length from the main unit 60 to the rear surface of the cover front portion 11 . The cover attachment member 63a is formed by bending a sheet metal into a U-shape to provide strength. The cover portion mounting member 63a has a top surface portion that is in surface contact with the back surface of the cover portion 10a. A cover portion mounting screw 10-1 is screwed together with the cover portion 10a on the top surface portion.

The cover portion mounting member 63a supports the holder 9 holding the packing 22 and the heat sink 27 from the main unit 60 side with the support portion 64. As shown in FIG. That is, the cover attachment member 63a is attached to the main unit 60, and supports the holder 9 and the heat sink 27 by the support portion 64 so as to press the holder 9 and the heat sink 27 toward the optical control member 21 side. The support portions 64 are formed at both bent portions of the front end portion of the cover portion mounting member 63a, which is formed by bending a sheet metal into a U shape.

<Cover mounting screw 10-1>
As shown in FIGS. 1, 2 and 3, the cover attachment screw 10-1 fastens the cover front surface 11 to the cover attachment member 63a. A resin seal washer (not shown) is attached to the cover attachment screw 10-1 to close the gap between the screw hole and the screw. In other words, the cover portion mounting screw 10-1 is fastened with a seal washer added thereto for the purpose of waterproofing. Also, the cover portion mounting screw 10-1 has a seal washer for the purpose of preventing it from coming off. This reduces the possibility that the cover portion mounting screw 10-1 will drop off from the cover portion 10a.

Incidentally, if two or more cover portion mounting screws 10-1 for fastening the cover portion 10a are used, the waterproof performance and fastening force can be further amplified. In addition, when using one cover portion mounting screw 10-1, a separate fixing portion can be fixed by a method such as hooking a portion of the cover portion 10a away from the screw fastening portion to the main unit 60 or the cover portion mounting member 63a. is provided, waterproof performance and fastening force can be reliably obtained.

<Light source unit 20>
As shown in FIGS. 1, 2, 3, 4, 5 and 6, the light source section 20 has an optical control member 21, a light source 5, a radiator plate 27 and a holder 9. As shown in FIG.

As shown in FIG. 3, the optical control member 21 is an emission member that controls the distribution of light emitted from the light source 5 shown in FIG. The optical control member 21 is made of an incombustible material such as glass. The optical control member 21 has a hemispherical or dome-shaped optical portion 21-1 and a collar portion 21-2 formed on the outer peripheral portion of the optical portion 21-1. The optical section 21 - 1 is a lens that controls the light distribution of the light emitted from the light source 5 .

<Packing 22>
As shown in FIGS. 2 and 5 , the packing 22 closes the gap of the exit port 14 . The packing 22 is a sheet-like member made of silicon and placed on the cover portion 10a. That is, the packing 22 is arranged and assembled on the cover portion 10a. The packing 22 may be attached to the cover portion 10a while being separated from the holder 9 and the radiator plate 27. As shown in FIG.

As shown in FIGS. 3 and 4, the packing 22 has a packing opening 22-1, a thin portion 22-2, an outer peripheral portion 22-3, and an outermost peripheral portion 22-4.

A packing opening 22-1 is formed in the center of the packing 22. As shown in FIG. The packing opening 22-1 and the exit port 14 expose the optical control member 21 to the outside exit side.

The thin portion 22-2 is formed so as to surround the packing opening 22-1. The back side of the thin portion 22-2, which is in contact with the holder 9, is recessed by the thickness of the L-shaped rib 93 formed on the holder 9. As shown in FIG. The recessed portion of the back side of the thin portion 22-2 is fixed in close contact with the L-shaped rib 93 of the holder 9. As shown in FIG. The shape of the inner peripheral side of the thin portion 22-2 may be formed in an annular shape parallel to the storage portion 11-1 of the cover front portion 11, or may be formed so as to protrude to the exit side of the outside. The thin portion 22-2 is placed on the outer peripheral side of the flange portion 21-2 and the optical portion 21-1 of the optical control member 21 so as to protrude to the exit side of the outside. The thin portion 22-2 is arranged between the optical control member 21, the holder 9, the edge of the exit port 14, and the storage portion 11-1, and is in close contact therewith.

The outer peripheral portion 22-3 is formed so as to surround the thin portion 22-2. The outer peripheral portion 22-3 is formed thicker than the thin portion 22-2. The outer peripheral portion 22-3 is mounted on the holder 9. As shown in FIG. The outer peripheral portion 22-3 is arranged and pressed between the holder 9 and the storage portion 11-1.

The outermost peripheral portion 22-4 is formed so as to surround the outer peripheral portion 22-3. The outermost peripheral portion 22-4 is formed with an outer peripheral protruding portion so as to protrude toward the holder 9 side more than the outer peripheral portion 22-3. The outermost peripheral portion 22-4 is arranged and fixed between the outer periphery of the holder 9 and the inner wall of the heat sink 27. As shown in FIG.

The packing 22 includes the cover portion 10a surrounding the emission port 14, the optical control member 21 serving as the emission member, the holder 9 serving as the light source holding portion, and the heat dissipation plate, in a state where the cover portion 10a is fastened to the cover portion mounting member 63a. 27 and adhere to. The packing 22 is arranged between the optical control member 21 or the holder 9 and the housing portion 11-1 of the front cover portion 11 and pressed. As a result, the space between the optical control member 21 and the front cover portion 11 is sealed by the packing 22, and the waterproofness of the lighting device 1a is ensured.

In the technique disclosed in Patent Document 1, the packing is preliminarily attached to the cover together with the light source holder so as to close the gap on the opening side of the cover. On the other hand, the cover portion 10a shown in FIG. 3 is separated from the light source holding portion holding the light source 5 before the installation work. Here, the light source holding portion is the holder 9 and the radiator plate 27 . That is, the packing 22 attached to the cover portion 10a side is attached to the cover portion 10a separate from the holder 9 holding the light source 5 and the radiator plate 27 before the installation work. In this case, the packing 22 is separated from the holder 9 and the radiator plate 27 and is shipped in an assembled state arranged on the cover portion 10a.

Here, when installing the lighting fixture 1a, the main unit 60 to which the light source 5 is attached is first attached to the ceiling. In the main body unit 60 attached to the ceiling, the holder 9 and the radiator plate 27, which are light source holders, face downward. Therefore, if the packing 22 is attached to the holder 9 and the radiator plate 27 that are the light source holders, the packing 22 is likely to come off.

On the other hand, when the packing 22 is arranged on the cover portion 10a, the packing 22 is not attached to the holder 9 and the heat sink 27, so that the packing 22 is more prevented from falling off from the main unit 60 attached to the ceiling. be done.

A portion of the packing 22 that covers the display opening 15 is formed to be thin so that the light of the monitor LED 42 is transmitted through the packing 22 .

<Holder 9>
As shown in FIG. 5, the holder 9 is screwed to the radiator plate 27 . The holder 9 and the heat sink 27 sandwich the light source substrate 51 placed on the heat sink 27 as shown in FIG. The holder 9 has a holder opening 91 , an L-shaped rib 93 , a hinge portion 94 and an arm portion 95 .

A holder opening 91 is formed in the central portion of the holder 9 . The holder opening 91 exposes the light source LED 52 mounted on the light source substrate 51 as shown in FIG.

A plurality of L-shaped ribs 93 having an L-shaped cross section are formed on the front surface of the holder 9 . The inner surfaces of the plurality of L-shaped ribs 93 are arranged to hold the flange 21-2 of the optical control member 21. As shown in FIG. The optical control member 21 in a component state is slid in a direction crossing the optical axis direction. As a result, the collar portion 21-2 comes into contact with the plurality of L-shaped ribs 93, and the optical control member 21 is held by the holder 9. As shown in FIG.

The hinge portion 94 is provided on the front surface of the holder 9 . The hinge portion 94 fixes the optical control member 21 to the holder 9 using screws 94-1. As a result, the holder 9 holds the optical control member 21 .

Thus, the holder 9 has the L-shaped rib 93 and the hinge portion 94 . With this configuration, the holder 9 holds the optical control member 21 with the optical axes of the light source substrate 51 shown in FIG. 6 and the optical control member 21 shown in FIG.

A pair of arm portions 95 extends from the holder 9 to a region where the radiator plate 27 does not exist. A shaft portion (not shown) is formed inside the tip portion of each of the pair of arm portions 95 . The shaft portion is attached to the bearing portion 31 - 5 of the lighting device 30 .

The holder 9 attached to the lighting device 30 is rotatable around the shaft. By rotating the holder 9, the storage battery 34 of the lighting device 30 can be replaced.

<Light source 5>
As shown in FIG. 6 , the light source 5 is lit by power supplied from the lighting device 30 . That is, the light source 5 emits light. The light source 5 has a light source substrate 51 , one or a plurality of light source LEDs 52 mounted on the light source substrate 51 , and a connector 53 mounted on the light source substrate 51 .

The light source 5 is fixed to the heat sink 27 by a holder 9 while being mounted on the heat sink 27 . A thermal conductive sheet (not shown) may be interposed between the light source substrate 51 and the heat sink 27 . As a result, the thermally conductive sheet can reduce the thermal resistance at the contact surface between the light source substrate 51 and the heat sink 27 .

<Radiator plate 27>
As shown in FIG. 6, the radiator plate 27 is made of a highly heat conductive metal such as an aluminum alloy. The radiator plate 27 has a base portion 27-1 and an edge portion 27-2 which is formed one step higher than the base portion 27-1 on the outer peripheral side of the base portion 27-1.

A light source substrate 51 and a holder 9 are mounted on the base 27-1. The base portion 27-1 contacts the back surface of the light source substrate 51. As shown in FIG. As a result, the base portion 27-1 transfers heat generated from the light source LEDs 52 to the edge portion 27-2 through the light source substrate 51. As shown in FIG. The size and shape of the heat sink 27 are appropriately changed according to the output of the light source 5 . The edge portion 27-2 is in contact with the support portion 64 of the cover portion mounting member 63a.

<Lighting device 30>
As shown in FIG. 7 , the lighting device 30 is attached to the main unit 60 and lights the light source 5 . The lighting device 30 has a case 31, a cover 32, a storage battery 34, and a circuit board (not shown). The case 31 and the cover 32 are molded from resin and fitted together. A circuit board is held inside the fitted case 31 and cover 32 .

<Case 31>
The exit side surface of the case 31 has a case opening 31-2 and a push button 31-3.

The case opening 31-2 makes visible a plurality of monitor LEDs 42 as shown in FIG. 7 mounted on the internal circuit board through the case opening.

The push button 31-3 has a projection of the push button 31-3 and a U-shaped slit 31-4 surrounding the projection of the push button 31-3. Thereby, the push button 31-3 secures an operation stroke for pushing the switch 45 as shown in FIG. 8 mounted on the circuit board.

A pair of bearings 31-5 are formed on the side surface of the case 31. As shown in FIG. A shaft portion of the holder 9 is rotatably attached to the bearing portion 31-5.

A pair of hooks 31-6 as shown in FIG. The hook 31-6 protrudes from a through-hole of a fixture (not shown) and is hooked to a lighting device mounting hole 61-5 of the top plate 61. As shown in FIG. Thereby, the lighting device 30 is held by the fixture and the top plate 61 .

A plurality of mounting claws (not shown) and confirmation holes (not shown) are formed on the bottom surface of the case 31 . The mounting claw portion fits into a case mounting hole formed in the fixing bracket. The confirmation hole is a hole for confirming the presence or absence of the circuit board inside the case 31 .

<Cover 32>
The cover 32 is formed in the shape of a box with one side open, and covers the component side of the circuit board mounted inside. On the side surface of the cover 32, a cover-side guide portion 32-2, a cover-side connection portion (not shown), and a groove portion (not shown) are formed.

<Storage battery 34>
The storage battery 34 is a box-shaped unit. The storage battery 34 has a storage battery side guide portion 34-2, a connector portion (not shown), a storage battery fixing portion (not shown), and a storage battery projecting portion (not shown).

The storage battery side guide portion 34-2 and the cover side guide portion 32-2 are fitted. Thereby, the storage battery 34 is slidably combined with the cover 32 . When the combined storage battery 34 is further pushed in, the storage battery fixing portion of the storage battery 34 fits into the groove portion of the cover 32 and the storage battery projecting portion abuts against the cover 32 . In this state, storage battery 34 is fixed to cover 32 . At this time, the connector portion of the storage battery 34 is connected to the cover-side connection portion. The connection electrically connects the storage battery 34 and the circuit board housed in the cover 32 .

<Circuit board>
The circuit board includes a charging circuit that charges the storage battery 34 in normal times when power is supplied from the commercial power supply, and a lighting circuit that lights the light source 5 with the power supplied from the storage battery 34 in an emergency when the supply of power from the commercial power supply is stopped. and have The circuit board includes an inspection circuit for determining whether or not the light source 5 can be lit for the rated time specified by the Building Standards Act with the power supplied from the storage battery 34, and a circuit for starting the inspection operation. It has a switch 45 as shown in FIG. 8 and a signal receiving section for receiving a start signal for starting inspection operation by a remote controller.

The switch 45 for starting the inspection operation may be arranged inside the cover portion 10a and may be operated when the cover portion 10a is removed. Alternatively, the switch 45 may be configured such that an opening is provided in the cover portion 10a, the packing 22 or another packing is placed on the switch 45, and the switch 45 can be operated from outside the cover portion 10a without removing the cover portion 10a.

<Main Unit 60>
As shown in FIG. 3, the main unit 60 is attached to the attached portion. The main unit 60 covers the opening 16 of the cover portion 10a. The main unit 60 has a top plate 61 and a waterproof member 70 .

The main unit 60 has an instrument attachment hole 60-1 in the center. The instrument attachment hole 60-1 draws in an electric wire from the outside. The drawn electric wire is connected to the lighting device 30 . The main unit 60 has a cover attachment member 63a at a position different from the instrument attachment hole 60-1. The cover portion mounting member 63a and the instrument mounting hole 60-1 are arranged at positions that do not overlap when projected from substantially below.

<Attachment of cover portion 10a>
The cover portion 10a is fastened to the cover portion mounting member 63a using the cover portion mounting screws 10-1. By fastening, the cover portion 10a is drawn toward the main unit 60 side. The holder 9, which is the light source holding portion holding the packing 22, and the heat sink 27 are supported from the main unit 60 side by the cover portion mounting member 63a. The support portion 64 of the cover portion mounting member 63a supports the edge portion 27-2.

As shown in FIG. 5, the holder 9 and the radiator plate 27 are held at two points of the cover portion mounting member 63a on the storage battery 34 side. On the other hand, the cover mounting member 63a on the push button 31-3 side does not support the holder 9 and the radiator plate 27 from the main unit 60 side in FIG.

The cover portion 10a is fastened to the cover portion mounting member 63a using the cover portion mounting screws 10-1. As a result, the packing 22 closes the gap of the outlet 14 of the cover portion 10a. In this manner, the packing 22 includes the cover portion 10a surrounding the emission port 14, the optical control member 21 as the emission member, and the holder as the light source holding portion in a state where the cover portion 10a is fastened to the cover portion mounting member 63a. 9 and the heat sink 27 are in close contact with each other.

<Modification 1>
FIG. 9 is a plan view showing a lighting fixture 1a without the cover portion 10a in which the mounting position of the cover portion mounting member 63a according to Modification Example 1 of Embodiment 1 is shifted. As shown in FIG. 9, the attachment position of the cover attachment member 63a to the main body unit 60 may be different from that in the first embodiment. In this case, the two cover portion mounting members 63a can sandwich and support the holder 9 and the radiator plate 27, which are the light source holding portions, at opposing positions in a plan view.

<Modification 2>
FIG. 10 is an explanatory view showing a longitudinal section of a lighting fixture 1a including a cover portion 10a without a cover side portion 12 according to Modification 2 of Embodiment 1. As shown in FIG. Note that the lighting fixture 1a may be of a type other than the direct attachment type directly attached to the ceiling. As shown in FIG. 10, the luminaire 1a may be of an embedded type that is embedded in the ceiling 80 and installed.

<Modification 3>
FIG. 11 is an exploded perspective view showing a lighting fixture 1a according to Modification 3 of Embodiment 1. FIG. As shown in FIG. 11, the packing 22 has slits 22a. The slit 22a allows a portion of the packing 22 to be freely bent. Thereby, when the holder 9 moves, the packing 22 is bent at the slit 22a, and the packing 22 does not hinder the movement of the holder 9. - 特許庁Here, the outermost peripheral portion 22 - 4 of the packing 22 is fixed between the outer periphery of the holder 9 and the inner periphery of the radiator plate 27 . This prevents the packing 22 from coming off even when the packing 22 is attached to the holder 9 and the radiator plate 27 that are the light source holders.

<Action>
An optical control member 21 as an output member protrudes from the output port 14 , and a sheet-like packing 22 closes the gap of the output port 14 . Thereby, the waterproof performance of the lighting fixture 1a can be ensured without using a glass globe or a glass panel.

The cover part 10a and the light source 5 attached to the main unit 60 are separate components. Therefore, unlike the technique described in Patent Document 1, it is not necessary to electrically connect the cover portion and the main body unit at the time of construction. In Embodiment 1, at the time of construction, the main unit 60 is first attached to a mounting portion such as a ceiling, and electrical work is performed. Next, when the cover part 10a is attached to the main unit 60, the waterproof lighting fixture 1a can be attached.

The packing 22 is radiated by pressing from the cover portion 10a toward the main unit 60 and pressing from the cover portion mounting member 63a toward the cover portion 10a through the holder 9 and the radiator plate 27, which are light source holding portions. The gap of the mouth 14 is closed. With such a configuration, when the cover portion mounting screw 10-1 is tightened, the packing 22 is brought into close contact with the gap of the outlet 14 of the cover portion 10a.

The cover front surface portion 11 that is not on the back side of the cover portion 10 a is attached to the cover portion attachment member 63 a provided on the main unit 60 . As a result, there is no need to tighten the screws at a recessed portion when attaching the cover portion 10a, and workability during installation can be improved.

<Effect of Embodiment 1>
According to Embodiment 1, the lighting fixture 1a includes the body unit 60 attached to the attached portion. The lighting fixture 1a includes a light source 5 for emitting light. The lighting fixture 1 a includes a lighting device 30 attached to a main unit 60 and lighting the light source 5 . The lighting fixture 1 a includes a holder 9 that is a light source holding portion that holds the light source 5 and a radiator plate 27 . The lighting fixture 1 a includes an optical control member 21 that is an emission member that controls the distribution of light emitted from the light source 5 . The lighting fixture 1a is attached to the main body unit 60 and includes a cover attachment member 63a that supports the holder 9 and the heat sink 27 on the optical control member 21 side. The lighting device 1a accommodates the lighting device 30, the holder 9, the radiator plate 27, the optical control member 21, and the cover portion mounting member 63a, and is formed with an exit port 14 for exposing the optical control member 21. A cover portion 10a is provided. The lighting fixture 1a includes a packing 22 that closes the gap of the exit port 14. - 特許庁The cover portion 10a is drawn toward the main unit 60 by being fastened to the cover portion mounting member 63a using the cover portion mounting screws 10-1. The packing 22 is in close contact with the cover portion 10a surrounding the emission port 14, the optical control member 21, the holder 9, and the heat sink 27 in a state where the cover portion 10a is fastened to the cover portion mounting member 63a.

According to this configuration, the light source 5 is attached to the main unit 60 in advance, and there is no need for electrical connection between the light source 5 and the main unit 60 during construction, and the main unit 60 can be attached to a mounting portion such as a ceiling. It is possible to prevent the light source 5 from falling after it is turned on. Further, an optical control member 21 which is an output member protrudes from the output port 14 and closes the gap of the output port 14 with a sheet-like packing 22 . Thereby, the waterproof performance of the lighting fixture 1a can be ensured without using a glass globe or a glass panel.

According to Embodiment 1, the packing 22 is arranged and assembled on the cover portion 10a.

When constructing the lighting fixture 1a, first, the body unit 60 holding the light source 5 is attached to a mounting portion such as a ceiling. In the body unit 60 attached to the attached portion, the holder 9 and the radiator plate 27 face downward. Therefore, if the packing 22 is attached to the holder 9 and the heat sink 27, the packing 22 may fall off and must be fixed at the outermost peripheral portion 22-4. On the other hand, when the packing 22 is arranged on the cover portion 10a, the packing 22 is not arranged on the main unit 60 attached to the mounting portion such as the ceiling. can be prevented from falling off.

According to Embodiment 1, the cover portion mounting screw 10-1 is tightened by adding a seal washer.

According to this configuration, a seal washer for the purpose of preventing falling off is further attached to the cover portion attachment screw 10-1. As a result, waterproofness can be ensured, and the possibility of the cover portion mounting screw 10-1 coming off from the cover portion 10a can be reduced.

According to Embodiment 1, the cover portion mounting member 63a is arranged at a position not overlapping the instrument mounting hole 60-1 provided in the main unit 60 when viewed from substantially below.

According to this configuration, the mounting stress of the cover portion 10a is received by the mounted portion such as the ceiling via the main unit 60 and is not directly transmitted toward the device mounting hole 60-1. As a result, it is possible to prevent the body unit 60 attached to the attached portion such as the ceiling from excessively entering the device attachment hole 60-1 when the cover portion 10a is attached.

Embodiment 2.
<Lighting fixture 1b>
FIG. 12 is a perspective view showing a lighting fixture 1b according to Embodiment 2. FIG. FIG. 13 is an exploded perspective view showing a lighting fixture 1b according to Embodiment 2. FIG. FIG. 14 is an explanatory diagram showing a longitudinal section of the lighting fixture 1b according to Embodiment 2. As shown in FIG. In the second embodiment, descriptions of the same items as in the first embodiment are omitted, and only the characteristic portions are described.

<Cover part 10b>
As shown in FIGS. 12, 13 and 14, the cover portion 10b accommodates the lighting device 30, the holder 9, the radiator plate 27, the optical control member 21, and the support member 63b. The cover portion 10b is formed with an exit port 14 through which the optical control member 21 is exposed. The cover portion 10 b has a cover front portion 11 , a cover side portion 12 and a mounting portion 13 .

<Mounting portion 13>
The mounting portion 13 is provided on the outer edge portion of the opening portion 16 on the other end side of the cover portion 10b. The attachment portion 13 is formed in a flange shape protruding in the outer peripheral direction. The mounting portion 13 is fastened to the main unit 60 using the cover portion mounting screws 10-1. The fastening pulls the cover portion 10b toward the main unit 60 . A plurality of cover fastening holes 13-1 are formed in the mounting portion 13. As shown in FIG.

<Support member 63b>
The support member 63b supports the holder 9 holding the packing 22 and the heat sink 27 from the main unit 60 side with the support portion 64. As shown in FIG. That is, the support member 63b is attached to the main unit 60, and supports the holder 9 and the heat sink 27 on the optical control member 21 side with the support portion 64. As shown in FIG. As shown in FIG. 12, the holder 9 and the radiator plate 27 are supported from the main unit 60 side by a plurality of support portions 64, for example, four positions, in two support members 63b. In the second embodiment, the support range of the support portion 64 is larger than in the first embodiment.

<Annular convex portion 61-2>
The top plate 61 is formed with an annular convex portion 61-2 on the outer peripheral side. A plurality of cover mounting holes 61-8 are formed in the ring projection 61-2. The cover attachment hole 61-8 is countersunk and is threaded. A cover mounting screw 10-1 is screwed into the cover mounting hole 61-8.

<Attachment of cover portion 10b>
The cover fastening hole 13-1 and the cover attachment hole 61-8 are fastened together using the cover attachment screw 10-1. As a result, the cover portion 10b is held by the top plate 61. As shown in FIG. That is, the cover portion 10b is fastened to the main unit 60 via the top plate 61 using the cover portion mounting screws 10-1. As a result, the cover portion 10b is drawn toward the main unit 60 side.

The cover portion 10b is fastened to the main unit 60 via the top plate 61 using the cover portion mounting screws 10-1. As a result, the packing 22 closes the gap of the outlet 14 of the cover portion 10b. The packing 22 is in close contact with the cover portion 10b surrounding the emission port 14, the optical control member 21, the holder 9, and the heat sink 27 when the cover portion 10b is fastened to the main unit 60. FIG.

<Action>
The cover portion 10b is fastened to the mounting portion 13 arranged on the peripheral side of the main unit 60 in plan view. Thereby, the packing 22 can be uniformly pressed. In particular, as the number of the cover fastening holes 13-1 and the cover fastening holes 61-8 increases, the pressing force of the packing 22 is equal to the number of the cover fastening holes 13-1 and the cover fastening holes 61-8. distributed in the circumferential direction.

<Effect of Embodiment 2>
According to Embodiment 2, the lighting fixture 1b includes the body unit 60 attached to the attached portion. The lighting fixture 1b includes a light source 5 for emitting light. The luminaire 1b includes a lighting device 30 that is attached to the main unit 60 and that lights the light source 5 . The lighting fixture 1 b includes a holder 9 that is a light source holding portion that holds the light source 5 and a radiator plate 27 . The lighting fixture 1 b includes an optical control member 21 that is an emission member that controls the distribution of light emitted from the light source 5 . The luminaire 1b includes a support member 63b attached to the main unit 60 and supporting the holder 9 and the heat sink 27 on the optical control member 21 side. The luminaire 1b includes a cover portion 10b that accommodates the lighting device 30, the holder 9, the radiator plate 27, the optical control member 21, and the support member 63b, and has an exit port 14 that exposes the optical control member 21. FIG. The lighting fixture 1b includes a packing 22 that closes the gap of the exit port 14. - 特許庁The cover portion 10b is pulled toward the main unit 60 by being fastened to the main unit 60 via the top plate 61 using the cover portion mounting screws 10-1. The packing 22 is in close contact with the cover portion 10b surrounding the emission port 14, the optical control member 21, the holder 9, and the radiator plate 27 in a state where the cover portion 10b is fastened to the main unit 60 via the top plate 61.

According to this configuration, the light source 5 is attached to the main unit 60 in advance, and there is no need for electrical connection between the light source 5 and the main unit 60 during construction, and the main unit 60 can be attached to a mounting portion such as a ceiling. It is possible to prevent the light source 5 from falling after it is turned on. Further, an optical control member 21 which is an output member protrudes from the output port 14 and closes the gap of the output port 14 with a sheet-like packing 22 . Thereby, the waterproof performance of the lighting fixture 1b can be ensured without using a glass globe or a glass panel.

1a lighting equipment, 1b lighting equipment, 5 light source, 9 holder, 10-1 cover part mounting screw, 10a cover part, 10b cover part, 11 cover front part, 11-1 storage part, 12 cover side part, 13 mounting part, 13-1 cover portion fastening hole, 14 exit port, 15 display port, 16 opening, 20 light source portion, 21 optical control member, 21-1 optical portion, 21-2 collar portion, 22 packing, 22-1 packing opening , 22-2 thin portion, 22-3 outer periphery, 22-4 outermost periphery, 22a slit, 27 radiator plate, 27-1 base, 27-2 edge, 30 lighting device, 31 case, 31-2 case opening , 31-3 push button, 31-4 slit, 31-5 bearing portion, 31-6 hook portion, 32 cover, 32-2 cover side guide portion, 34 storage battery, 34-2 storage battery side guide portion, 40 power supply terminal block , 42 monitor LED, 45 switch, 51 light source board, 52 light source LED, 53 connector, 60 main unit, 60-1 fixture mounting hole, 61 top plate, 61-2 ring projection, 61-5 lighting device mounting hole , 61-8 cover portion mounting hole, 63a cover portion mounting member, 63b support member, 64 support portion, 70 waterproof member, 80 ceiling, 91 holder opening, 93 L-shaped rib, 94 hinge portion, 94-1 screw, 95 arm Department.

Claims (5)

a main unit attached to the attached portion;
a light source that emits light;
a lighting device attached to the main body unit for lighting the light source;
a light source holding part holding the light source;
an emission member for controlling light distribution of light emitted from the light source;
a cover attachment member that is attached to the main body unit and supports the light source holder on the side of the emission member;
a cover portion that accommodates the lighting device, the light source holding portion, the emission member, and the cover portion mounting member, and is formed with an emission port that exposes the emission member;
a packing that closes the gap of the exit port;
with
The cover portion is pulled toward the main unit by being screwed to the cover portion mounting member,
The packing is a lighting fixture that is in close contact with the cover portion surrounding the emission port, the emission member, and the light source holding portion in a state where the cover portion is fastened to the cover portion attachment member. a main unit attached to the attached portion;
a light source that emits light;
a lighting device attached to the main body unit for lighting the light source;
a light source holding unit that holds the light source;
an emission member for controlling light distribution of light emitted from the light source;
a support member that is attached to the main unit and supports the light source holder on the side of the emission member;
a cover part containing the lighting device, the light source holding part, the emission member, and the support member and having an emission opening for exposing the emission member;
a packing that closes the gap of the exit port;
with
The cover portion is drawn toward the main body unit by being screwed to the main body unit,
The packing is a lighting fixture that is in close contact with the cover portion surrounding the emission port, the emission member, and the light source holding portion when the cover portion is fastened to the main body unit. The lighting fixture according to claim 1 or 2, wherein the packing is arranged and assembled on the cover portion. The luminaire according to any one of claims 1 to 3, wherein the screw is fastened with a seal washer added. Claim 3 or Claim dependent on Claim 1 or Claim 1, wherein the cover portion attachment member is disposed at a position not overlapping with an instrument attachment hole provided in the main body unit in a projection view from below . Item 5. The lighting fixture according to item 4.

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