Lighting device

Abstract

The utility model provides a lighting device which improves light diffusivity and anti-dazzle performance and simplifies the structure. A lighting device is provided with: a main body (10) having an opening (13) in the center thereof; an adapter (90) which is provided in the opening (13) and which is mechanically and electrically connected to the wiring device (3); and a lighting unit (20) disposed around the opening (13) of the main body (10), the lighting unit (20) having a cover member (50) and a light source part (30) with the front surface included in the cover member (50), the cover member (50) having: an opening part (85) disposed on the front surface side of the main body (10) and into which the adapter (90) is fitted; and a recessed portion (16) for housing the light source portion (30), the light source portion (30) being provided with a light source (31) and a power source (40), the light source (31) being configured from a substrate (32) having a plurality of light-emitting elements (33) mounted on the front surface thereof, the power source (40) being disposed on the outside of the light source (31) and performing on-off and dimming of the light source (31).

Description

[0001] Incorporation by Reference

[0002] This application is based on Japanese Patent Application No. 2023-073902 filed on April 28, 2023, and includes a specification, claims, drawings, and an abstract. The disclosure of the above Japanese Patent Application is incorporated into this application by reference in its entirety. Technical Field

[0003] The utility model relates to a lighting device using light-emitting elements such as LEDs. Background Art

[0004] There are many proposed lighting fixtures using LEDs. For example, Patent Document 1 discloses a lighting fixture of a type that is mounted on a ceiling surface.

[0005] The lighting fixture of Patent Document 1 aims to prevent uneven brightness, but has a disadvantage that the number of parts of the lighting fixture is large and the structure of the lighting device becomes complicated.

[0006] Patent Document 1: Japanese Patent Application Publication No. 2013-45630 Utility Model Content

[0007] Therefore, an object of the present invention is to provide a lighting fixture which has a simplified structure and which ensures comfortable light with anti-glare properties without uneven brightness of the lighting fixture.

[0008] In order to achieve the above-mentioned purpose, the lighting fixture of the present invention is characterized by having:

[0009] a main body having an opening in the center;

[0010] an adapter, disposed in the opening, and mechanically and electrically connected to the wiring device; and

[0011] a lighting unit disposed around the opening of the main body,

[0012] The lighting unit includes a cover member and a light source portion whose front side is included in the cover member.

[0013] The cover member has: an opening portion, which is arranged on the front surface side of the main body, for embedding the adapter in the center; and a recessed portion, which is used to store the light source portion.

[0014] The light source unit includes a light source and a power source.

[0015] The light source is composed of a substrate with a plurality of light-emitting elements mounted on the front side.

[0016] The power supply is arranged outside the light source to switch on and off and dim the light source.

[0017] According to the utility model, in a lighting fixture having a light-emitting element such as an LED, a lighting fixture having excellent visual effects such as uneven brightness, anti-glare and light diffusion and having a thin and simple structure can be obtained through a simplified structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] A more complete understanding of the present application can be obtained when the following detailed description is considered in conjunction with the following drawings, in which:

[0019] Figure 1 It is an overall perspective view of the lighting fixture of the embodiment.

[0020] Figure 2 It is an exploded perspective view showing the entire lighting fixture of the embodiment.

[0021] Figure 3 1 and 2 are a side view and a front view of the lighting fixture of the embodiment.

[0022] Figure 4A yes Figure 3 This is a schematic cross-sectional view of the lighting fixture of the embodiment shown along line AA.

[0023] Figure 4B yes Figure 3 This is a schematic cross-sectional view of the lighting fixture of the embodiment shown along line BB.

[0024] Figure 5 is a rear view of the lighting unit of the embodiment.

[0025] Fig. 6A yes Figure 5 This is a schematic cross-sectional view of the lighting unit of the illustrated embodiment taken along line AA.

[0026] Figure 6B yes Figure 5 This is a schematic cross-sectional view of the lighting unit of the illustrated embodiment taken along line BB.

[0027] Description of symbols

[0028] 1 lighting fixtures

[0029] 2 Ceiling surface

[0030] 3 Wiring equipment

[0031] 10 Main Body

[0032] 11 Flat plate

[0033] 12 Edge

[0034] 13 Opening

[0035] 14 convex parts

[0036] 16 recesses

[0037] 20 lighting units

[0038] 30 Light source

[0039] 31 Light Source

[0040] 32 substrate

[0041] 33 Light-emitting elements

[0042] 40 Power Supply

[0043] 50 cover components

[0044] 52 light source cover

[0045] 54 Power supply cover

[0046] 56 annular part

[0047] 58 inner cone

[0048] 59 Outer cone

[0049] 60 convex part

[0050] 62 Ring

[0051] 63 inclined part

[0052] 64 plane part

[0053] 65 Legs

[0054] 66 slots

[0055] 67 fixing screw

[0056] 68 Wall

[0057] 70 Card Fixing Department

[0058] 72 Insertion port

[0059] 73 screws

[0060] 78 barrel

[0061] 79 ribs

[0062] 80 bottom cover

[0063] 81 Slit

[0064] 85 opening

[0065] 90 Adapter

[0066] 92 hook blade

[0067] 93 hook blade engagement hole

[0068] 94 claws

[0069] 95 soft wire

[0070] 96 Connectors

[0071] 100 Remote Control

[0072] 101 Operation switch

[0073] 102 Display Panel DETAILED DESCRIPTION

[0074] The embodiments of the present invention are described. In addition, the present invention is not limited to the following embodiments. In addition, in the following figures, the same reference numerals are given to the same parts. The lighting fixture of the present invention can be applied to various lighting fixtures, such as ceiling lamps installed on wiring fixtures such as hook ceiling junction boxes arranged on the ceiling surface, or chandeliers suspended from the ceiling surface.

[0075] In general household houses, wiring devices such as ceiling hook junction boxes, ceiling hook holders, ceiling hook light wire boxes, and wiring hook boxes are installed on the ceiling for installing ceiling lamps, etc. The lighting fixture is usually installed on the wiring device installed on the ceiling of the house via an adapter.

[0076] In addition, in a general household residence, commercial power is supplied to a wiring device. By installing an adapter for a lighting device on the wiring device installed on the ceiling, the wiring device and the adapter are mechanically and electrically connected, and AC power is supplied from the power line in the house through the wiring device from the adapter to the lighting device.

[0077] Here, the lighting fixture of the embodiment of the utility model is described with reference to the accompanying drawings. It should be noted that the embodiment described below represents a specific example of the utility model, so the configuration, function, numerical value, etc. of the constituent components recorded in the embodiment are only examples, and the scope of the utility model is not limited to these. In addition, in the accompanying drawings, constituent elements such as wiring, screws, and connectors are basically omitted.

[0078] (Representative Examples)

[0079] Hereinafter, the lighting fixture 1 according to the embodiment will be described.

[0080] Figure 1: is an overall stereoscopic view of the lighting fixture 1 of the embodiment. The lighting fixture 1 is composed of a main body 10 and a lighting unit 20. The main body 10 is a substantially circular flat plate, and is composed of a circular ring-shaped recess 16, a flat plate portion 11 formed concentrically with the periphery of the recess 16, and an edge portion 12 forming the outer edge of the main body 10 along the outer periphery of the flat plate portion 11. The lighting unit 20 is arranged in the recess 16 of the main body 10. The lighting unit 20 is fixed to the recess 16 of the main body 10 by means of a substantially triangular locking portion 70 formed at the lower portion of the periphery thereof, using a locking means such as screw fastening. In addition, in Figure 1 In the lighting fixture 1, the side where light is emitted from the lighting unit 20 and brightly illuminates the room is referred to as the front surface side or the floor surface side, and the back side of the lighting fixture 1 is referred to as the back surface side or the ceiling surface side.

[0081] like Figure 1 As shown, a fixture for fixing the lighting fixture 1 to the ceiling surface 2 (see FIG. Figure 2 ) adapter 90. A connector 96 provided at the front end of a cord 95 led out from the adapter 90 is connected to an insertion port 72 provided on the inner side of the front surface of the lighting unit 20 to supply power to the lighting unit 20.

[0082] In addition, the lighting fixture 1 is provided with an attached remote controller 100. The remote controller 100 has an operation switch 101 and a display panel 102. The display panel 102 uses a liquid crystal panel and displays the lighting fixture 1's lighting / extinguishing state, the current time, and the like. The user confirms through the display panel 102 and operates the operation switch 101 of the remote controller 100, thereby performing switching operations such as lighting / extinguishing and dimming / color adjustment of the lighting fixture 1. In addition, the remote controller 100 has an operation switch 101 that instructs the lighting fixture 1 to light up / extinguish, dimming / color adjustment, and the like.

[0083] Figure 2 1 is an exploded perspective view showing the entirety of a lighting fixture 1 according to an embodiment of the present invention. As shown in the figure, the lighting fixture 1 according to the embodiment includes a main body 10 and a lighting unit 20, and the lighting unit 20 includes a light source 30 and a cover member 50. The light source 30 includes a light source 31 and a power source 40, and the light source 31 includes a plurality of substrates 32 on which light-emitting elements 33 are mounted, and the power source 40 is disposed around the light source 31.

[0084] The lighting fixture 1 is detachably fixed to the wiring fixture 3 disposed on the ceiling surface 2 via the adapter 90. Figure 2 As shown, the wiring device 3 is substantially in the shape of a rectangular parallelepiped and is provided with a pair of hook blades 92 (see Figure 3) is inserted into and rotated to be locked in a pair of hook blade locking holes 93. The adapter 90 is inserted from the opening 85 (upper in the figure) of the cover member 50, and is locked by the claw 94 provided on the adapter 90 on the inner side of the protrusion 14 located around the opening 13 of the main body 10. By locking the adapter 90 to the wiring device 3, the adapter 90 and the lighting fixture 1 are mechanically and electrically connected to the wiring device 3.

[0085] The main body 10 is also called a "chassis" and is formed into a circular shape from a flat plate of a metal material such as a cold-rolled steel plate, and has a circular opening 13 formed in the center. Also, around the opening 13, a convex portion 14 is provided that bulges in a truncated cone shape along the circumference.

[0086] The cover member 50 is composed of an integrally formed light source cover portion 52 and a power source cover portion 54. The cover member 50 is shaped to have a cavity inside thereof protruding toward the front surface (ground surface), and the light source 31 and the power source 40 are accommodated inside the cavity.

[0087] The cover member 50 constituting the lighting unit 20 is locked to the recess 16 of the main body 10 by a substantially triangular locking portion 70 formed near the bottom of the periphery thereof. The locking portion 70 is arranged at three locations on the periphery of the lighting unit 20 (see Figure 3 ), but not limited to three places, as long as it is set in two or more places.

[0088] like Figure 2 As shown, the light source unit 30 composed of the light source 31 and the power supply 40 is arranged in a substantially same horizontal plane in a manner of surrounding the opening 85. The substrate 32 constituting the light source 31 is composed of 4 fan-shaped (1 / 4 arc-shaped) substrates 32, which are arranged in a ring shape around the opening 85 as the center, and the substrates 32 are electrically connected to each other. A plurality of light-emitting elements 33 are installed on each substrate 32 at a predetermined interval. In the embodiment, the light-emitting element 33 is a front-mounted LED module in a rectangular parallelepiped shape, and is installed in three parallel rows along the circumferential direction of the substrate 32 on the front of the substrate 32 with the length direction of the rectangular parallelepiped shape as the circumferential direction. Here, the light-emitting element 33 is not limited to three rows, as long as it is more than one row, and the length direction of the light-emitting element 33 can also be oriented toward the center direction of the circle. In addition, the arrangement of the light-emitting element 33 can also be various arrangements such as matrix and radial as long as it is arranged in a manner to improve the lighting effect such as the irradiation efficiency. In addition, the light-emitting element 33 is not limited to light-emitting diodes (LEDs), and other light-emitting elements such as organic EL elements can also be used.

[0089] A connector (not shown) for supplying DC power from the power source 40 to the light emitting element 33 is disposed on the front surface of the substrate 32. In addition, as an embodiment, an example in which four sector-shaped substrates 32 are connected in a ring shape is shown, but the present invention is not limited thereto, and a single ring-shaped flat plate, a rectangular or triangular flat plate having an opening 85, etc. may also be used.

[0090] The light emitting elements 33 may be daylight-colored light emitting elements and incandescent-colored light emitting elements, which are alternately arranged and arranged at predetermined intervals between adjacent light emitting elements 33 in each column. Color adjustment can be performed by adjusting the current flowing through the daylight-colored and incandescent-colored light emitting elements 33. In addition, the light emitting elements 33 may be light emitting elements 33 having light emitting colors other than daylight and incandescent colors.

[0091] The light emitting element 33 can function as a night light by dimming the light emitting element 33 mounted on the substrate 32 as a whole. By using one or more of the light emitting elements 33 as a night light and adjusting the brightness, an environment where a person can sleep peacefully at night in a general household can be formed. In this case, the light emitting element 33 is preferably an incandescent light color.

[0092] The power supply 40 is disposed as a whole outside the annular substrate 32. The power supply 40 receives power from the wiring device 3 provided on the ceiling surface 2 connected to the external AC power source through the adapter 90. In addition, the power supply 40 includes a rectifier circuit for rectifying the power supplied from the external power source, a transformer for converting the rectified voltage into a predetermined voltage, a constant current supply circuit for supplying a constant current to the substrate 32, a light receiving circuit for infrared rays transmitted from the remote controller 100, a lighting control circuit for the light emitting element 33, and the like. The power supply 40 is electrically connected to the substrate 32, and controls the lighting / extinguishing, dimming / color adjustment, and the like of the light emitting element 33.

[0093] The cover member 50 , which houses the light source 31 and the power source 40 in a space inside, is provided as the lighting unit 20 on the convex portion 14 and the concave portion 16 formed on the front surface of the main body 10 .

[0094] The substrate 32 is composed of a flat plate of glass epoxy resin (FR-4) as an insulating material, and a substrate with a wiring pattern formed by silver foil on the front side where the light emitting element 33 is mounted is used. In addition, the wiring pattern is not limited to this, and can also be formed on the back side or inside of the substrate 32. In addition, a white resist layer that acts as a reflective layer is implemented on the upper part of the wiring pattern, that is, the front side of the substrate 32. As the material of the substrate 32, in the case of an insulating material, in addition to glass epoxy resin (FR-4), ceramic materials, synthetic resin materials, etc. can also be applied. In addition, when the substrate 32 is made of metal, a base substrate with an insulating layer stacked on one side of a base plate with good thermal conductivity and excellent heat dissipation such as aluminum can be used.

[0095] The method for mounting the lighting fixture 1 on the ceiling surface 2 is as follows. First, the hook blade 92 (see Figure 3 ) is engaged with the hook blade engagement hole 93 of the wiring device 3 to fix the adapter 90 to the wiring device 3. Next, the lighting device 1 is lifted, the adapter 90 is passed through the central opening 85 of the cover member 50, and the pair of claws 94 of the adapter 90 are pushed up to pass over the opening 13 of the main body 10.

[0096] The pair of claws 94 of the adapter 90 are urged in two directions outward by a spring, so that when the lighting fixture 1 is lifted up over the claws 94, the claws 94 are placed on the back side of the opening 13 of the main body 10, and the lighting fixture 1 is fixed to the ceiling surface 2 where the wiring fixture 3 is provided. The lighting fixture 1 is fixed to the ceiling surface 2 in a form of hanging from the claws 94 by arranging the main body 10 on the side of the ceiling surface 2 closer to the claws 94 of the adapter 90.

[0097] Figure 3 1 is a side view and a front view of the lighting fixture 1 of the embodiment. As described above, the lighting fixture 1 is composed of a main body 10 and a lighting unit 20. The lighting unit 20 is mounted on the main body 10, and an adapter 90 for fixing the lighting fixture 1 to a ceiling or the like is mounted near the center of the main body 10. An insertion port 72 for connecting to a connector 96 provided at the front end of a cord 95 and receiving power supply from the adapter 90 is provided on the front of the lighting unit 20. In addition, the lighting unit 20 is fixed to the main body 10 by screwing three locking portions 70 provided on the lighting unit 20 to the main body 10.

[0098] As shown in the side view of the figure, on the lower surface of the adapter 90, a pair of hook blades 92 protruding from the lower surface of the lighting unit 20 are provided, and the pair of hook blades 92 are embedded and fixed to the Figure 2The hook blade engagement hole 93 of the wiring fixture 3 is shown. The hook blade 92 receives power from the wiring fixture 3 and supplies power to the power source 40. The lighting fixture 1 is detachably fixed to the wiring fixture 3 by the hook blade 92.

[0099] Figure 4A yes Figure 3 A schematic cross-sectional view of the lighting fixture 1 of the embodiment shown in FIG. 1 along the AA line. As shown in the figure, the cover member 50 of the lighting unit 20 is arranged in the recess 16 of the main body 10. A cylindrical barrel portion 78 is formed along the inner periphery of the opening portion 85 of the cover member 50, and a mountain-shaped (convex) annular portion 56 is formed on the front surface (ground) side along the periphery of the opening portion 85. The annular portion 56 diffuses the light emitted from the light source 31 toward the outside of the cover member 50. For example, the annular portion 56 can also diffuse the light emitted from the light source 31 evenly in the central direction and the peripheral direction of the cover member 50.

[0100] The light source 31 is disposed near the bottom of the inner side of the annular portion 56 so as to block the bottom. The cover member 50 fixes the convex portion 60 formed around the opening 85 and the convex portion 14 of the main body 10 by fixing screws 67 .

[0101] A substantially cylindrical tube portion 78 is formed along the periphery of the opening portion 85 near the center of the cover member 50. The tube portion 78 functions as a guide for inserting the adapter 90 therethrough.

[0102] Figure 4B yes Figure 3 1 is a schematic cross-sectional view of the lighting fixture 1 of the embodiment shown in FIG. As shown in the figure, the annular portion 56 formed on the cover member 50 of the lighting unit 20 is Figure 4A Similarly, it is formed along the periphery of the opening 85, but the shape is different near the built-in power source 40. The light source 31 is accommodated in the gap inside the cover member 50. The light source 31 is composed of a substrate 32 with a light emitting element 33 mounted on the front surface.

[0103] The cover member 50 is configured to completely cover the irradiation surface of the light emitted from the light source 31, so that the emitted light is diffused and uniformly irradiated to the outside, for example, the front surface (ground) side. The cover member 50 uses a milky white material, but the front surface of the cover member 50 can also be made into a concave-convex surface or a lens surface to give anti-glare properties and light diffusion effects. In addition, the front surface of the cover member 50 can also be processed into a frosted glass-like or slit-like pattern to give anti-glare properties, light diffusion properties, etc.

[0104] The cover member 50 is formed of a transparent resin having light diffusivity, for example, polycarbonate (PC), acrylic such as PMMA (polymethyl methacrylate), PS (polystyrene), etc. are used.

[0105] In addition, a lampshade (not shown) may be provided in a manner covering the front of the cover member 50. The lampshade may be in any shape as long as it covers the front of the cover member 50, but may also be formed of a light-transmitting material, and a milky white material may be used to impart light diffusivity and anti-glare properties. In addition, the cover member uses an acrylic resin such as PMMA (polymethyl methacrylate), but is not limited thereto, and may also be a synthetic resin such as polycarbonate or polystyrene. In addition, the front of the cover member may be polished to form a glass-like or slit-like pattern, thereby imparting light diffusivity, anti-glare properties, etc.

[0106] Figure 5 : is a rear view of the lighting unit 20 of the embodiment. Four fan-shaped substrates 32 are installed on the back side of the cover member 50 in a manner that blocks the bottom of the light source cover portion 52 along the periphery of the central opening portion 85. The back side of the substrate 32 is configured to be flush with the peripheral edge of the cover member 50. The bottom cover 80 of the power supply unit 40 is also configured to be flush with the peripheral edge of the cover member 50. In addition, the installation of the substrate 32 and the bottom cover 80 to the cover member 50 is fixed by a fixing mechanism such as screws 73. The insertion port 72 is a connector that is connected to the connector arranged at the front end of the soft wire introduced from the slit 81 of the bottom cover 80 to supply power to the power supply 40. In addition, the soft wire and the connector are omitted from the figure.

[0107] Next, the assembly process of the lighting fixture 1 is described. First, the power source 40 is housed in the gap inside the power source cover 54 of the cover member 50, and the arc-shaped bottom cover 80 is covered on the periphery in a manner that the bottom of the power source cover 54 is blocked from the bottom of the power source 40, and then the bottom cover 80 is fixed to the power source cover 54 at two locations above and below using screws 73, and the bottom cover 80 is fixed to the cover member 50. Next, in the gap inside the light source cover 54, four 1 / 4 arc-shaped substrates 32 are arranged on the periphery around the opening 85 and screwed, thereby assembling the lighting unit 20. Next, the lighting unit 20 assembled with the substrate 32, the power source, and other components is screwed to the main body 10 to assemble the lighting fixture 1.

[0108] By combining the lighting unit 20 and the main body 10, the present invention can simplify the manufacturing process of the lighting fixture 1 compared to the previous process of sequentially installing components such as a power supply and a substrate on the main body 10, thereby having the effect of significantly reducing the cost and the time required for manufacturing.

[0109] Fig. 6A yes Figure 5The schematic cross-sectional view of the lighting unit 20 of the embodiment shown in FIG. 2 is a schematic cross-sectional view of the lighting unit 20 taken along the line AA. The lighting unit 20 includes: a cover member 50, which is composed of a light source cover portion 52 and a power supply cover portion 54; and a substrate 32 and a power supply 40, which are fixed near the bottom of the gap portion inside the light source cover portion 52 and the power supply cover portion 54, respectively. The annular portion 56 of the cover member 50 is formed into a mountain shape with a substantially triangular cross section along the periphery of the opening portion 85, and the outer taper portion 59 located outside the vertex of the mountain shape of the annular portion 56 is formed into a taper that descends as it approaches the outer peripheral direction. In addition, the inner taper portion 58 located inside the vertex of the mountain shape of the annular portion 56 is formed into a taper that inclines as it approaches the opening portion 85. In the embodiment, regarding the angles of the inner taper portion 58 and the outer taper portion 59 relative to the horizontal plane, the outer taper portion 59 is larger, but the invention is not limited thereto, and the angle of the inner taper portion 58 may be larger than the angle of the outer taper portion 59, or both may be the same angle. The irradiation direction of the irradiation light emitted from the inner tapered portion 58 and the irradiation light emitted from the outer tapered portion 59 may be different. In addition, the shape of the annular portion 56 formed in a mountain shape along the periphery of the opening 85 can be any mountain shape, and in addition to the cross-sectional shape being roughly triangular, a semicircular, elliptical, heart-shaped, etc. shape may also be used.

[0110] The convex portion 60, which is annular around the opening 85 of the cover member 50, is in a cone shape as a whole, and grooves 66 for passing fixing screws 67 for fixing to the main body 10 are provided at two locations around the opening 85. In the convex portion 60, a cylindrical annular portion 62 is vertically provided inside the opening 85 along the circumferential direction of the opening 85, and a cylinder portion 78 is provided inside the annular portion 62. A plurality of slit-shaped ribs 79 for easily inserting the adapter 90 are provided in the cylinder portion 78 in a manner that surrounds the opening 85 and in a direction perpendicular to the circumferential direction. In addition, an inclined portion 63 is provided outside the annular portion 62 and outside the groove 66, which is inclined toward the opening 85 side along the circumferential direction. An annular flat portion 64 is provided along the circumferential direction between the inclined portion 63 and the inner cone portion 58 of the annular portion 56.

[0111] In addition, a vertical wall-shaped leg portion 65 is provided on the inner side of the substrate 32 around the opening 85. The leg portion 65 surrounds the substrate 32 together with the inner tapered portion 58, the outer tapered portion 59, and the plane portion 64. The leg portion 65 prevents the irradiation light emitted from the substrate 32 from leaking to the opening 85 side, and plays a role in reflecting the irradiation light in the direction of the inner tapered portion 58, the outer tapered portion 59, and the plane portion 64. In addition, the inner tapered portion 58, the outer tapered portion 59, and the plane portion 64 widely scatter the irradiation light emitted from the substrate 32 to the ground side, illuminate the room, and provide anti-glare properties.

[0112] Figure 6B yes Figure 5BB line schematic cross-sectional view of the lighting unit 20 of the embodiment shown in FIG. As shown in the figure, the annular portion 56 formed on the cover member 50 and the Fig. 6A The same is formed along the periphery of the opening 85, but the shape near the built-in power source 40 is different. The light source 31 composed of the substrate 32 with the light emitting element 33 mounted on the front is accommodated in the gap inside the light source cover 52 of the cover member 50, and the power source 40 is built in the gap inside the power source cover 54. The wall 68 is a partition separating the power source 40 from the annular portion 56. In addition, the wall 68 may be not as Figure 4B Use as shown.

[0113] Although the present invention has been described above with reference to the embodiments, the present invention is not limited to the embodiments described above. The structure and details of the present invention can be modified in various ways that can be understood by those skilled in the art within the scope of the present invention.

[0114] Industrial Applicability

[0115] According to the utility model, in lighting fixtures, light diffusion and anti-glare properties can be improved and the structure can be simplified. In addition to being applicable to ceiling lamps of the type installed with wiring devices such as hook-hanging ceiling junction boxes configured on the ceiling surface and chandeliers of the type suspended from the ceiling surface, it can also be applied to various lighting fixtures such as guide lights, disaster prevention lights, and street lights.

Claims

1. A lighting fixture, characterized in that: The lighting device comprises: a main body having an opening in the center; an adapter, disposed in the opening, and mechanically and electrically connected to the wiring device; and a lighting unit, arranged around the opening of the main body, The lighting unit includes a cover member and a light source portion whose front side is included in the cover member. The cover member has: an opening portion, which is arranged on the front surface side of the main body and is used to embed the adapter in the center; and a recessed portion, which is used to store the light source portion. The light source unit includes a light source and a power source. The light source is composed of a substrate with a plurality of light-emitting elements mounted on the front side. The power supply is arranged outside the light source to switch on and off and dim the light source.

2. The lighting fixture according to claim 1, characterized in that: The power supply also performs color adjustment of the light source.

3. The lighting fixture according to claim 1, characterized in that: The cover member includes an annular portion protruding toward the front surface side around the opening, and the annular portion diffuses light emitted from the light source toward the outside of the cover member.

4. The lighting fixture according to claim 3, characterized in that: The annular portion uniformly diffuses the light emitted from the light source in a central direction and a peripheral direction of the cover member.

5. The lighting fixture according to claim 1, characterized in that: The cover member is composed of a light source cover portion and a power source cover portion which are integrally formed. The light source cover portion covers the light source from the front surface, and the power source cover portion covers the power source from the front surface.

6. The lighting fixture according to claim 5, characterized in that: The substrate is disposed around the opening so as to cover a bottom portion of the light source cover.

7. The lighting fixture according to claim 5, characterized in that: The power supply is arranged in the recessed portion of the power supply cover, and the bottom cover mounted on the power supply is arranged to block the bottom of the power supply cover.

8. The lighting fixture according to claim 1, characterized in that: The cover member is fixed to the main body by a locking portion disposed near the bottom of the peripheral edge.

9. The lighting fixture according to claim 3, characterized in that: The annular portion includes an inner tapered portion on the opening side and an outer tapered portion on the outer side of the inner tapered portion.

10. The lighting fixture according to claim 9, characterized in that: The irradiation light emitted from the inner tapered portion and the irradiation light emitted from the outer tapered portion have different irradiation directions.

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