JP2021193684A - Fixture, fixture set and lighting fixture including the same - Google Patents

Abstract

To provide a fixture for lighting fixture capable of simplifying the structure of a lighting fixture.SOLUTION: A fixture 1a for lighting fixture includes a holding part 11 and an engagement part 12. In the holding part 11, at least part of a lighting fixture can be held. The engagement part 12 is engaged with an inside protrusion 31 of a cover member 3 for covering an emission direction whole surface of the lighting fixture and capable of mounting the cover member 3 on a body 4 of the lighting fixture. The engagement part 12 includes, for example, a side wall part 122 and a ceiling part 121. A storage space 123 is formed between the side wall part 122 and the ceiling part 121. The inside protrusion 31 of the cover member 3 is stored in the storage space 123, and by the ceiling part 121 and the inside protrusion 31 of the cover member 3 being engaged with each other, the cover member 3 can be mounted on the body 4.SELECTED DRAWING: Figure 1

Description

The present invention relates to a fixture, a fixture set, and a luminaire using the fixture.

Focusing on the power saving and long life of LEDs (Light Emitting Diodes), a plurality of lighting fixtures using LEDs have been proposed. For example, Patent Document 1 discloses a thin lighting fixture including a light source, a power supply unit for supplying electric power to the light source, and a holding body for holding the light source and the power supply unit.

JP-A-2017-117809

In the lighting fixture of Patent Document 1, the LED mounting substrate and the translucent cover covering the entire surface of the light emitting surface of the lighting fixture are attached to the main body (chassis). However, in the aspect of the lighting fixture of Patent Document 1, processing for attaching the LED mounting substrate to the main body is required, and since each LED element is covered with a diffuser lens, a special case for attaching the translucent cover to the main body is required. There is a drawback that the configuration of the lighting fixture is complicated because the fixture is also required.

Therefore, an object of the present invention is to provide a fixture, a fixture set, and a luminaire using the fixture, which can simplify the configuration of the luminaire.

In order to achieve the above object, the fixture of the present invention is a fixture for a lighting fixture.
Including holding part and engaging part
The holding portion can hold at least a part of the light source of the luminaire.
The engaging portion is characterized in that the cover member can be attached to the luminaire main body by engaging with the inner convex portion of the cover member that covers the emission direction of the luminaire.

The fixture set of the present invention includes at least two of the fixtures of the present invention.

The luminaire of the present invention
Includes body, power supply, light source, fixtures, and cover members
The power supply device, the light source, the fixture, and the cover member are arranged on the light emitting surface side of the main body.
The power supply unit can be connected to an external power supply and can be connected to an external power supply.
The power supply device and the light source are electrically connected, and an inward convex portion is provided inside the cover member.
The attachment comprises at least one of the attachments of the present invention.
At least a part of the light source is held by the holding portion of the fitting, and the light source is held.
The inner convex portion of the cover member is engaged with the engaging portion of the mounting portion.

According to the present invention, the configuration of the luminaire can be simplified by adopting the fixture.

FIG. 1A is a perspective view of the fixture of the first embodiment, and FIG. 1B is a partial cross-sectional view of a lighting fixture using the fixture. 2 (A) is a top view of the fixture of the second embodiment, FIG. 2 (B1) is a perspective view with the holding portion side of the fixture as the front, and FIG. 2 (B2) is the above. It is a perspective view with the engaging portion side of the fixture as the front, and FIG. 3C is a partial cross-sectional view of the lighting fixture using the fixture. FIG. 3A is a top view of the fixture of the third embodiment, FIG. 3B is a perspective view of the fixture, and FIG. 3C is a lighting fixture using the fixture. It is a partial cross-sectional view of. FIG. 4 is a perspective view of the fixture of the fourth embodiment. FIG. 5 is a perspective view of the fixture of the fifth embodiment. FIG. 6A is an exploded perspective view of a lighting fixture using the fixture of the sixth embodiment, and FIG. 6B is a diagram showing a state in which the lighting fixture is attached to the ceiling. FIG. 7A is a top view showing a state in which the LED mounting board is held by the three mounting tools of the first to fifth embodiments, and FIG. 7B is a top view showing a state in which the LED mounting board is held by the six mounting tools. It is a top view which shows the state which was done. FIG. 8A is a perspective view of the fixture of the seventh embodiment, and FIG. 8B is a top view of the fixture. FIG. 9 is an exploded perspective view of the lighting fixture of the eighth embodiment. 10 (A) is a cross-sectional view of the lighting fixture of the ninth embodiment, and FIG. 10 (B) is an enlarged view of a portion X of the same figure (A).

Next, an embodiment of the present invention will be described. The present invention is not limited to the following embodiments. In each of the following figures, the same parts are designated by the same reference numerals. Further, the explanations of the respective embodiments can be referred to each other's explanations unless otherwise specified. Further, the configurations of the embodiments can be combined unless otherwise specified. Further, the lighting fixture and the light diffusion cover of the present invention shall be applied to various lighting fixtures such as street lights, as well as ceiling lights of the type attached to an adapter placed on the ceiling and pendants of the type suspended from the ceiling. Can be done.

[Embodiment 1]
1 (A) and 1 (B) show an example of the fixture of Embodiment 1 of this invention. The fixture 1a shown in FIG. 1A includes a holding portion 11 and an engaging portion 12. The holding portion 11 is formed of a plate-shaped member, and can hold at least a part of a light source (for example, a light emitting element mounting substrate) on the upper surface of the plate-shaped member in the figure. The plate-shaped holding portion 11 is connected to the plate-shaped support member 14 in an inverted L shape at the right end portion in the figure. The engaging portion 12 includes a plate-shaped ceiling portion 121 and a plate-shaped side wall portion 122, which are connected in an inverted L shape. Further, a storage space 123 is formed between the plate-shaped ceiling portion 121 and the plate-shaped side wall portion 122. The support member 14 and the side wall portion 122 are connected to the plate-shaped connecting member 13 at the lower end portion in the figure. The coupling member 13 may function as a fixing portion for fixing the fixture 1a to the main body of the luminaire, but is not limited to this, and may be coupled to the main body of the luminaire other than the coupling member 13. The figure (B) shows the state using the fixture of the figure (A). In the example of FIG. 2B, the light source 2 has a light emitting element 22 (for example, an LED or the like) mounted on the light irradiation surface of the substrate 21. Further, in the example of FIG. 3B, the cover member 3 has an inner convex portion 31 formed at an end portion (downward end portion in the figure) of the cover main body 32. As shown in FIG. 3B, the fixture 1a is fixed to a part of the light irradiation surface of the main body 4 of the luminaire by the coupling member 13, and a part of the light source 2 is mounted on the plate-shaped holding portion 11. The cover member 3 is attached to the main body 4 of the luminaire by accommodating the inner convex portion 31 in the accommodating space 123 of the engaging portion 12.

In the present invention, the material of the fixture may be, for example, metal or resin. Examples of such metal materials include colored steel plates, galvanized steel plates, stainless steel plates for springs, and the like, and examples of resin materials include PP (polypropylene), PBT (polybutylene terephthalate), and the like. ..

In the present invention, the light source is not particularly limited, and includes, for example, one in which a light emitting element is mounted on the light irradiation surface of the substrate. Examples of the light emitting element include LEDs and organic EL (Organic Electro-Luminescence).

In the present invention, the cover member is also referred to as a "glove" by another name, and covers the light irradiation surface of the luminaire. Although the cover member is made of a translucent material, for example, the cover member may be entirely or partially milky white to impart a light scattering function. The material of the cover member is not particularly limited, and is, for example, a resin such as acrylic such as PMMA (polymethylmethacrylate), PC (polycarbonate), and PS (polystyrene).

[Embodiment 2]
2 (A), (B1), (B2) and (C) show an example of the attachment according to the second embodiment of the present invention. The figure (C) is a cross-sectional view of the figure (B1) seen from the direction A-A'. As shown in the top view of FIG. 2A, the perspective view of FIG. 2B1 with the holding portion 11 side in front, and the perspective view of FIG. 2B2 with the engaging portion 12 side in front, the fixtures are attached. In 1b, a leaf spring-shaped first elastic protrusion 124 is formed on the accommodation space 123 side of the side wall 122 of the engaging portion 12, and includes one end of a side where the side wall 122 and the ceiling 121 are in contact with each other. The stop wall 126 projects from one side different from the side where both the side wall portion 122 and the ceiling portion 121 are in contact with the accommodation space 123, and the other configurations are the same as those in the first embodiment. As shown in FIG. 3C, when the stopper protrusion 311 further protruding from the inner convex portion 31 of the cover member is formed, the inner convex portion 31 of the cover member is engaged with the engaging portion 12 when the cover member is attached. When the first elastic protrusion 124 comes into contact with the stopper protrusion 311 when the first elastic protrusion 124 is placed in the accommodation space 123 and rotated (in the direction of the down arrow in the figure), the first elastic protrusion 124 is deformed and the stopper protrusion The cover member can be rotated so that the portion 311 gets over the first elastic protrusion 124, and the stopper protrusion 311 abuts on the stop wall 126 beyond the stopper member to stop the rotation of the cover member. Further, with respect to the rotation direction when the cover member is removed, the stopper protrusion 311 abuts on the first elastic protrusion 124, so that the rotation in the direction of the up arrow in the figure (C) can be stopped. .. In this embodiment, an example in which the inner convex portion 31 of the cover member and the stopper protrusion 311 are separately configured is shown, but the inner convex portion 31 and the stopper protrusion 311 are integrated into one convex portion. It can also be configured as a part. With such a form, the configuration of the cover member can be further simplified.

In the present invention, the form and material of the first elastic protrusion are not particularly limited, and may be formed of, for example, an elastic member such as rubber in addition to the leaf spring shape.

[Embodiment 3]
3 (A), (B) and (C) show an example of the fixture according to the third embodiment of the present invention. The figure (C) is a cross-sectional view of the figure (B) seen in the direction of B−B ′. As shown in the top view of FIG. 3A and the perspective view of FIG. 3B, in the fixture 1c, the ceiling portion 121 of the engaging portion 12 is cut to form the leaf spring portion 125, and the leaf spring portion 125 is formed. A protrusion 120 is formed on the accommodation space 123 side of the portion 125, and a second elastic protrusion is formed by the leaf spring portion 125 and the protrusion 120, and other configurations are the same as those in the first embodiment. .. Then, as shown in the cross-sectional view of FIG. 3C, when the inner convex portion 31 of the cover member is arranged in the accommodation space 123 of the engaging portion 12, the second portion formed from the leaf spring portion 125 and the protruding portion 120. As shown by the arrow in the figure (C), the inner convex portion 31 of the cover member is pressed against the main body 4 side by the elastic protrusion portion of the cover member and fixed. By pressing with this pressure, it is possible to prevent a gap from being created between the cover member and the main body 4, and it is possible to prevent insects, dust, etc. from entering the cover member from the outside with a simple configuration without using an insect repellent member separately. Can be prevented.

In the present invention, the form and material of the second elastic protrusion are not particularly limited, and may be formed of, for example, an elastic member such as rubber in addition to the leaf spring shape.

[Embodiment 4]
The perspective view of FIG. 4 shows an example of the fixture according to the fourth embodiment of the present invention. As shown in the figure, in the fixture 1d, as in the second embodiment, the first elastic projection portion 124 is formed on the side wall portion 122 of the engaging portion 12, and the side where the side wall portion 122 and the ceiling portion 121 are in contact with each other. A stop wall (not shown in FIG. 4) protrudes from one side different from the side where both the side wall portion 122 and the ceiling portion 121 are in contact to the accommodation space 123 side so as to include one end of the same as in the third embodiment. A second elastic protrusion (leaf spring portion 125 and protrusion 120) is formed on the ceiling portion 121 of the engagement portion 12, and the configuration other than these is the same as that of the first embodiment.

[Embodiment 5]
The perspective view of FIG. 5 shows an example of the fixture according to the fifth embodiment of the present invention. As shown in the figure, in the fixture 1e, a convex guide portion 111 is formed on the light irradiation surface side of the plate-shaped holding portion 11 so as to project in the light irradiation direction and extend in a gentle arc shape. Other than this, the configuration is the same as that of the first embodiment. When the light source is mounted on the light irradiation surface side of the plate-shaped holding portion 11, the convex guide portion 111 can guide the mounting position of a part of the light source by the side wall of the convex guide portion 111. The convex guide portion 111 is suitable for guiding a light source (board) having an arcuate peripheral shape.

[Embodiment 6]
FIG. 6A is an exploded perspective view of the lighting fixture according to the sixth embodiment of the present invention. As shown in the figure, the lighting fixture of the sixth embodiment is composed of a main body 4, a power supply device 5, a light source 2, a fixture 1, a light diffusion cover 6, and a cover member 3. The light source 2 has a plurality of light emitting elements (for example, LEDs) arranged on a circular substrate having a circular opening formed in the center. The entire substrate may be circular by connecting a plurality of substrates. As the substrate, for example, a substrate made of a flat plate of glass epoxy resin (FR-4) as an insulating material and having a wiring pattern formed by silver foil on the surface side can be used. Further, a white resist layer acting as a reflective layer may be applied on the wiring pattern, that is, on the surface of the substrate. When the substrate is used as an insulating material, a ceramic material, a synthetic resin material, or the like can be applied in addition to the glass epoxy resin (FR-4). Further, when the substrate is made of metal, a base substrate or the like in which an insulating layer is laminated on one surface of a base plate having good thermal conductivity and excellent heat dissipation such as aluminum can be applied. The light emitting element may be, for example, a surface mount type LED package. The LED package is mounted, for example, in a plurality of rows (three rows in this embodiment) in a substantially circumferential shape in the circumferential direction of the substrate. Further, the LED package may have a neutral white color and a light bulb color, and these may be arranged alternately and adjacent light emitting elements in each row may be arranged at substantially equal intervals. Color matching is possible by adjusting the current flowing through the neutral white and light bulb color LED packages. The light emitting elements do not necessarily have to be mounted in a plurality of rows, and may be mounted in one row along the circumferential direction of the substrate, for example. The number and number of rows of the light emitting elements can be appropriately set according to, for example, a desired output or the like. The LED package is composed of, for example, an LED chip arranged on a base made of ceramics or synthetic resin, and a translucent resin for molding such as an epoxy resin or a silicone resin that seals the LED chip. May be. The LED chip is, for example, a blue LED chip that emits blue light. A phosphor is mixed in the translucent resin so as to be able to emit light having a neutral white color or a light bulb color. As the LED, the LED chip may be mounted directly on the substrate, or a bullet-shaped LED may be mounted, and the mounting method and format are not particularly limited. The fixture 1 is the fixture 1e of the fifth embodiment. In the lighting fixture of the sixth embodiment, the power supply device 5, the light source 2, the fixture 1, the light diffusion cover 6, and the cover member 3 are arranged on the light emitting surface side of the main body 4. The power supply device 5 can be connected to an external power source, and the power supply device 5 and the light source 2 are electrically connected to supply electricity from the external power source to the light source (for example, an LED on the substrate). The power supply device 5 includes, for example, a rectifier circuit that rectifies a current supplied from an external power source such as AC 100V, a transformer that converts the rectified voltage into a predetermined voltage, a constant current supply circuit that supplies a constant current to the light source 2, and the like. To prepare for. The light diffusion cover 6 is arranged so as to cover the light irradiation surface of the substrate of the light source 2. The substantially circular cover member 3 has a cover main body, and a plurality of substantially L-shaped inward convex portions extending inward are provided inside the end portions thereof in the circumferential direction. A part of the substrate of the light source 2 is held (mounted) by the holding portion of the mounting tool 1, and the inner convex portion of the cover member 3 is engaged with the engaging portion of the mounting tool 1.

The main body 4 is a member also referred to as a "chassis", which is formed in a circular shape from a flat plate of a metal material such as a cold-rolled steel plate, and has a circular opening formed in the center. The main body 4 can be attached with an adapter for attaching a lighting fixture to the ceiling, for example. As the adapter, for example, a conventionally known one can be used. An example of such an adapter is a flat cylindrical shape with a hooking blade at one end that engages the hooking blade engagement hole of an existing square hook ceiling body located on the ceiling of a building. Things can be given. Further, the adapter may have a connector connected to the power supply device 5. The hook sealing body and the adapter are electrically and mechanically joined by engaging the hook blade engaging hole and the hook blade. If an adapter is used, it is possible to attach a lighting fixture by reducing the gap with the ceiling. FIG. 6B shows a state in which the lighting fixture of the sixth embodiment is attached to the ceiling 7.

The light diffusion cover 6 covers the light source 2, and for example, diffuses linear light such as an LED so that light can be irradiated in all directions. The light diffusion cover 6 is formed of, for example, a milky white resin. Examples of the resin include acrylics such as PMMA (polymethylmethacrylate), PC (polycarbonate), PS (polystyrene) and the like.

In FIG. 6A, the power supply device 5 is arranged in a recess formed in the main body 4 under the light source 2 and is covered with a light diffusion cover 6. According to this aspect, even when the cover member 3 is removed, the light diffusion cover 6 does not expose the power supply device 5 to the outside, and it is possible to prevent electric shock due to contact with fingers or the like, which is safe. It is possible to provide lighting equipment with excellent properties.

7 (A) and 7 (B) show a mode of holding the light source 2 (an LED or the like is mounted on a substrate) using the fixture 1.

FIG. 7A shows a state in which three fixtures 1 are used. In the case of FIG. 3A, if, for example, the attachment 1b of the second embodiment is used as at least one attachment 1, the rotation of the cover member can be stopped. Further, in the case of the figure (A), if the attachment 1c of the third embodiment is used as the three attachments 1, the cover member can be pressed evenly against the main body and into the inside of insects, dust, etc. It is possible to effectively prevent the invasion of.

FIG. 7B shows a state in which six fixtures 1 are used. In the case of FIG. 2B, if, for example, the attachment 1b of the second embodiment is used as at least one attachment 1, the rotation of the cover member can be stopped. Further, in the case of the figure (B), if the attachment 1c of the third embodiment is used as the three or six attachments 1, the cover member can be pressed evenly against the main body to prevent insects and dust. Intrusion can be effectively prevented. The number of fixtures is not limited to three or six, and it is possible to correspond to various lighting fixtures by increasing or decreasing the number as needed.

[Embodiment 7]
The perspective view of FIG. 8A and the top view of FIG. 8B show an example of the fixture according to the seventh embodiment of the present invention. As shown in the figure, the fixture 1f of the seventh embodiment has a convex shape formed by projecting from the light irradiation surface side of the plate-shaped holding portion 11 in the light irradiation direction and extending in a straight line bent in the middle. The guide portion 111 is formed, and the other configurations are the same as those in the fourth embodiment. When the light source is mounted on the light irradiation surface side of the plate-shaped holding portion 11, the convex guide portion 111 can guide the mounting position of a part of the light source by the side wall of the convex guide portion 111. The convex guide portion 111 is suitable for guiding a polygonal light source (board) having corners in its circumferential shape.

[Embodiment 8]
FIG. 9 is an exploded perspective view showing an example of the lighting fixture according to the eighth embodiment of the present invention. As shown in the figure, the light source 2 has a circular opening in the center and a plurality of light emitting elements (for example, LEDs) mounted on a substrate having a substantially quadrangular peripheral shape, and is a mounting tool. The holding portion of 1f has the same configuration as the lighting fixture of the sixth embodiment except that a convex guide portion formed by bending in the middle and extending linearly is formed.

[Embodiment 9]
10 (A) and 10 (B) show an example of the luminaire according to the ninth embodiment of the present invention. 10 (A) is a cross-sectional view of the lighting fixture of the ninth embodiment, and FIG. 10 (B) is an enlarged view of a portion X of the same figure (A). As shown in FIGS. (A) and (B), in the ninth embodiment, light is emitted between the holding portion 11 and the engaging portion 12 (between the plate-shaped support member 14 and the side wall portion 122) in the fixture 1. A diffusion cover accommodating portion is provided, in which the end portion of the light diffusing cover 6 is accommodated. According to such a form, the diffusion cover 6 can be attached to the main body by the fixture 1, and the configuration of the luminaire becomes simpler. Further, as shown in FIGS. (A) and (B), in the lighting fixture of the ninth embodiment, at least one of the light emitting side of a part of the light source 2 (board 21) mounted on the plate-shaped holding portion 11. The portion is in contact with a part of the light diffusion cover 6 and is fixed to the holding portion 11. According to such a form, the light source 2 can be fixed with a simple structure, and the configuration of the lighting fixture can be further simplified.

Although the present invention has been described above with reference to the embodiments, the present invention is not limited to the above embodiments. Various modifications that can be understood by those skilled in the art can be made to the configuration and details of the present invention within the scope of the present invention.

Some or all of the above embodiments may also be described, but not limited to:
(Appendix 1)
Including holding part and engaging part
The holding portion can hold at least a part of the light source of the luminaire.
The engaging portion is a mounting tool for a lighting fixture, characterized in that the cover member can be attached to the lighting fixture main body by engaging with an inner convex portion of a cover member that covers the entire surface of the lighting fixture in the emission direction. ..
(Appendix 2)
The engaging portion includes a side wall portion and a ceiling portion.
A storage space is formed between the side wall portion and the ceiling portion.
The cover member can be attached to the luminaire main body by allowing the inner convex portion of the cover member to be accommodated in the accommodation space and engaging the ceiling portion and the inner convex portion of the cover member. The fixture for the lighting fixture described in Appendix 1 as a feature.
(Appendix 3)
The engaging portion comprises a first elastic protrusion and a stop wall.
The first elastic protrusion is arranged on the accommodation space side of the side wall portion.
The stop wall protrudes toward the accommodation space from one side different from the side where both the side wall portion and the ceiling portion are in contact so as to include one end of the side where the side wall portion and the ceiling portion are in contact with each other. The fixture for the lighting fixture described in Appendix 2 as a feature.
(Appendix 4)
The attachment for a lighting fixture according to Appendix 3, wherein the first elastic protrusion is a leaf spring.
(Appendix 5)
The engaging portion includes a second elastic protrusion.
The attachment for a lighting fixture according to any one of Supplementary Provisions 2 to 4, wherein the second elastic protrusion is arranged on the accommodation space side of the ceiling portion.
(Appendix 6)
The attachment for a lighting fixture according to Appendix 5, wherein the second elastic protrusion is a leaf spring.
(Appendix 7)
The fixture for a lighting fixture according to any one of Supplementary note 1 to 6, wherein the holding portion includes a mounting base portion for mounting a light source.
(Appendix 8)
The holding portion includes a convex guide portion protruding in the light irradiation direction of the mounting base portion.
The mounting tool for a lighting fixture according to Appendix 7, wherein the convex guide portion can guide a mounting position of a part of the light source by a side wall of the convex guide portion.
(Appendix 9)
In addition, including the main body fixing part,
The fixture for a luminaire according to any one of Supplementary Provisions 1 to 8, wherein the fixture can be fixed to the main body of the luminaire by the main body fixing portion.
(Appendix 10)
Light that can accommodate a part of the side wall portion of the light diffusion cover of the lighting fixture between the holding portion and the engaging portion by arranging the holding portion and the engaging portion while maintaining a certain distance. The fixture for a lighting fixture according to any one of Supplementary note 1 to 9, wherein a diffusion cover accommodating portion is provided.
(Appendix 11)
The main body fixing portion is arranged between the holding portion and the engaging portion, and the light diffusion cover accommodating portion is provided in a space surrounded by the main body fixing portion, the holding portion, and the engaging portion. The fixture for a lighting fixture according to Appendix 10, wherein the fixture is provided.
(Appendix 12)
A fixture set for a luminaire that includes at least two fixtures according to any one of Supplementary Notes 1 to 11.
(Appendix 13)
Includes body, power supply, light source, fixtures, and cover members
The power supply device, the light source, the fixture, and the cover member are arranged on the light emitting surface side of the main body.
The power supply unit can be connected to an external power supply and can be connected to an external power supply.
The power supply device and the light source are electrically connected, and an inward convex portion is provided inside the cover member.
The attachment comprises at least one of the attachments according to any one of Supplementary Notes 1 to 11.
At least a part of the light source is held by the holding portion of the fitting, and the light source is held.
A lighting fixture characterized in that an inner convex portion of the cover member is engaged with the engaging portion of the mounting portion.
(Appendix 14)
At least one of the above-mentioned fixtures is the fixture according to Appendix 3 or 4.
A stopper protrusion that protrudes further inward from the inner protrusion of the cover member is provided.
The luminaire according to Appendix 13, wherein the movement of the cover member is restricted by the engagement between the first elastic protrusion and the stop wall and the stopper protrusion.
(Appendix 15)
At least one of the above-mentioned fixtures is the fixture according to the appendix 5 or 6.
The luminaire according to Appendix 13 or 14, wherein the inner convex portion of the cover member is fixed to the main body in a pressurized state by the elastic force of the second elastic protrusion.
(Appendix 16)
In addition, it includes a light diffusion cover,
The luminaire according to any one of Supplementary note 13 to 15, wherein the light diffusion cover is arranged on the light emitting side of the light source.
(Appendix 17)
At least one of the above-mentioned fixtures is the fixture according to the appendix 10 or 11.
The lighting equipment according to Appendix 16, wherein a part of the side wall portion of the light diffusion cover is housed in the light diffusion cover accommodating portion.
(Appendix 18)
Addendum 16 or 17, wherein at least a part of the light source mounted on the holding portion on the light emitting side is in contact with a part of the light diffusion cover and fixed to the holding portion. The listed lighting fixtures.
(Appendix 19)
The luminaire according to any one of Supplementary note 16 to 18, wherein the light source and the power supply device are covered with the light diffusion cover.
(Appendix 20)
The light source is arranged on the light emitting surface side of the main body while maintaining a certain distance from the main body.
The luminaire according to any one of Supplementary note 13 to 19, wherein the power supply device is arranged between the main body and the light source.
(Appendix 21)
The light source includes a substrate and a light emitting element.
The luminaire according to any one of Supplementary note 13 to 20, wherein the light emitting element is arranged on a light emitting surface of the substrate.

According to the present invention, it is possible to provide a fixture, a fixture set, and a luminaire using the fixture, which can simplify the configuration of the luminaire.

1a, 1b, 1c, 1d, 1e, 1f Fixture 2 Light source 3 Cover member 4 Main body 5 Power supply device 6 Light diffusion cover 7 Ceiling 11 Holding part 12 Engaging part 13 Coupling member 14 Support member 21 Board 22 Light emitting element 31 Inward convex Part 32 Cover body 111 Convex guide part 120 Protrusion part 121 Ceiling part 122 Side wall part 123 Accommodation space 124 Elastic protrusion part 125 Leaf spring part 126 Stop wall 311 Stopper protrusion part

Claims (3)

The main body with a circular opening in the center,
A recess formed so as to project toward the ceiling of the main body,
The power supply unit arranged in the recess and
An adapter that is placed near the opening and electrically and mechanically joins the body to a hook ceiling body placed on the ceiling.
A light source consisting of a substrate on which a light emitting element such as an LED is mounted,
A light diffusion cover arranged so as to cover the light irradiation surface including the substrate,
A cover member that covers the light irradiation surface side of the light diffusion cover, and
A mounting tool on the light irradiation surface side of the main body, which is arranged at a plurality of locations around the recess and holds the light source, the light diffusion cover, and the cover member.
A lighting fixture characterized in that the power supply device, the light source, the light diffusion cover, the fixture, and the cover member are arranged on the light irradiation surface side of the main body. The fixture has a holding portion and an engaging portion, and has a holding portion and an engaging portion.
The holding portion holds at least a part of the light source and holds it.
The engaging portion engages with the inner convex portion of the cover member to hold the cover member.
The fixture accommodates the light diffusing cover between the holding portion and the engaging portion.
The illumination according to claim 1, wherein at least a part of the light source mounted on the holding portion is fixed to the holding portion by contacting a part of the light diffusion cover. Instrument. The holding portion of the mounting tool has a mounting base portion and has a mounting base portion.
The mounting base portion includes a convex guide portion that protrudes in the light irradiation direction on which the light source is mounted, and the convex guide portion uses a side wall of the convex guide portion to provide a mounting position of a part of the light source. The luminaire according to claim 1 or 2, characterized in that it guides.

Images