Ultrathin ceiling lamp

Abstract

The ultra-thin ceiling lamp comprises a lamp strip, a light guide structure, a heat dissipation piece, a base and a face cover, the heat dissipation piece comprises a heat dissipation body and a heat dissipation part, the heat dissipation part is connected to the outer side of the heat dissipation body, the face cover is connected with the base, the heat dissipation piece is connected with the base, the face cover is provided with an opening, and the light guide structure is arranged in the opening. The surface cover covers the heat dissipation part, the heat dissipation main body is exposed from the opening, the heat dissipation main body is provided with a through hole, the light guide structure is embedded in the through hole, and the lamp strip is connected to the side wall of the through hole and is opposite to the light guide structure. According to the LED lamp, the lamp strip is arranged in the through hole of the heat dissipation piece, the thickness requirement of the LED lamp can be effectively reduced, the attractiveness of the LED lamp is improved, the LED lamp is suitable for installation scenes, practicability is guaranteed, the heat dissipation body is exposed out of the opening, the heat dissipation body can make direct contact with the atmosphere, and the service life of the LED lamp is prolonged. Therefore, the heat of the heat dissipation piece can be effectively dissipated into the atmosphere, and the heat dissipation effect can be further improved.

Description

Technical Field

[0001] The utility model relates to the field of lamp design, in particular to an ultra-thin ceiling lamp. Background Art

[0002] Ceiling lamps are a commonly used lighting fixture nowadays, and they can effectively play a decorative role. They are very suitable for modern and fashionable homes, as well as department stores, jewelry stores, hotels and other places.

[0003] With the development of technology, current lighting fixtures have achieved higher and higher lighting intensities, and ceiling lamps are no exception. As the lighting intensity increases, the heat emitted by the lamp body of the ceiling lamp during operation is also increasing, making it easy for heat to accumulate in the ceiling lamp, causing the temperature inside the ceiling lamp to rise. Over time, it will affect the operation of the ceiling lamp, and in severe cases, it will even damage the ceiling lamp.

[0004] Some ceiling lamps are equipped with heat dissipation devices on the back of the ceiling lamps to facilitate heat dissipation. However, under this method, on the one hand, the heat dissipation devices are mostly embedded, and the heat dissipation effect is still difficult to be effectively guaranteed. On the other hand, the required thickness of the ceiling lamp during installation will need to include the thickness of the entire heat dissipation device and the lamp body, resulting in an increase in the thickness of the ceiling lamp, high requirements for the installation scene of the ceiling lamp, and reduced The aesthetics and practicality of the ceiling lamp. Utility Model Content

[0005] The purpose of the utility model is to provide an ultra-thin ceiling lamp, which can solve one or more of the above problems.

[0006] According to one aspect of the utility model, there is provided an ultra-thin ceiling lamp, comprising a lamp strip, a light guiding structure, a heat sink, a base and a cover, wherein the heat sink comprises a heat sink body and a heat sink portion, wherein the heat sink portion is connected to the outer side of the heat sink body, the cover is connected to the base, the heat sink is connected to the base, the cover is provided with an opening, the cover covers the heat sink portion, the heat sink body is exposed from the opening, the heat sink body is provided with a through hole, the light guiding structure is embedded in the through hole, the lamp strip is connected to the side wall of the through hole and is opposite to the light guiding structure.

[0007] The beneficial effects of the present invention are as follows: in the present invention, the light strip is in direct contact with the heat sink, so that the heat sink can dissipate heat for the light strip, the contact area between the two is large, the heat dissipation effect is good, and the light strip is arranged in the through hole of the heat sink, which can effectively reduce the thickness requirement of the present invention, improve the aesthetics and applicable installation scenarios of the present invention, ensure practicality, and the heat sink body is exposed from the opening, so that the heat sink body can directly contact the atmosphere, so that the heat of the heat sink can be effectively dissipated into the atmosphere, which can further improve the heat dissipation effect.

[0008] In some embodiments, the light guide structure includes reflective paper, a light guide plate and a diffuser plate, wherein the reflective paper, the light guide plate and the diffuser plate are overlapped and connected in sequence, the light guide plate is opposite to the light strip, and the diffuser plate covers the through hole. Thus, most of the light emitted by the light strip can be guided to the diffuser plate through the light guide plate and scattered out through the diffuser plate, while part of the light that cannot be effectively guided by the light guide plate can be reflected by the reflective paper and scattered out from the diffuser plate, so that most of the light emitted by the light strip can be emitted from the diffuser plate to ensure the lighting intensity.

[0009] In some embodiments, the heat dissipation body is provided with a stopper on the side wall of the through hole, the base is provided with a protrusion, the reflective paper is in contact with the protrusion, and the diffuser is in contact with the stopper. Thus, the light guide structure can be effectively clamped and fixed by the heat dissipation body and the base.

[0010] In some embodiments, a limit block is provided at the bottom of the stop block, and the limit block is provided at the periphery of the diffusion plate. The setting of the limit block can limit the setting position of the light guide structure.

[0011] In some embodiments, the base is provided with a protrusion, the protrusion is provided with an elastic section, the elastic section is provided with a clamping block, the surface cover is provided with a groove, and the clamping block is clamped on the groove, so that the base and the surface cover can be snap-fitted.

[0012] In some embodiments, the utility model further comprises a screw, the base is provided with a first screw hole, the heat dissipation part is provided with a second screw hole, the first screw hole and the second screw hole are opposite, and the screw connects the first screw hole and the second screw hole, thereby ensuring that the base and the heat dissipation part can be effectively connected.

[0013] In some embodiments, the heat sink is clamped on the base. When the required size of the utility model is larger, the heat sink is fixed on the base by clamping, which has low installation cost and high reliability.

[0014] In some embodiments, the utility model further comprises a driving board, wherein the driving board is mounted on the base, and the driving board is electrically connected to the light strip.

[0015] In some embodiments, the base can be cylindrical, cubic or shaped like a special body. In this way, the utility model can be cylindrical, cubic or shaped like a special body to meet different needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a schematic structural diagram of an ultra-thin ceiling lamp according to an embodiment of the present invention.

[0017] Figure 2 An exploded view of the structural schematic diagram of an ultra-thin ceiling lamp according to an embodiment of the utility model.

[0018] Figure 3 The utility model is a top view of a heat sink of an ultra-thin ceiling lamp according to an embodiment of the present invention.

[0019] Figure 4 for Figure 3 A cross-sectional view of the heat sink of the ultra-thin ceiling lamp at AA.

[0020] Figure 5 The present invention is a schematic structural diagram of a base of an ultra-thin ceiling lamp according to an embodiment of the present invention.

[0021] Figure 6 The present invention is a schematic structural diagram of a cover of an ultra-thin ceiling lamp according to an embodiment of the present invention.

[0022] Figure 7 An exploded view of the structural schematic diagram of an ultra-thin ceiling lamp according to an embodiment of the utility model.

[0023] In the figure: 1. light strip, 2. light guide structure, 3. heat sink, 4. base, 5. cover, 6. screws, 7. drive board, 8. mounting bolts, 21. reflective paper, 22. light guide plate, 23. diffuser, 31. heat sink, 32. heat sink, 311. through hole, 312. stop block, 313. limit block, 321. second screw hole, 41. first screw hole, 42. protrusion, 43. protrusion, 44. mounting hole, 421. elastic section, 422. block, 51. groove, 52. opening. DETAILED DESCRIPTION

[0024] The structural principle and working principle of the utility model are further described in detail below with reference to the accompanying drawings.

[0025] Example 1

[0026] refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 An ultra-thin ceiling lamp of this embodiment includes a lamp strip 1, a light guide structure 2, a heat sink 3, a base 4 and a cover 5.

[0027] The base 4 can be cylindrical, cubic or irregular, and the cover 5 can be arranged to match the shape of the base 4, so that the ultra-thin ceiling lamp is cylindrical, cubic or irregular. In this embodiment, the base 4 is preferably cylindrical.

[0028] The heat sink 3 includes a heat sink body 31 and a heat sink 32. The heat sink 32 is preferably a fin, which is integrally connected to the outer side of the heat sink body 3. The heat sink body 31 of the heat sink 3 is provided with a through hole 311 at its center, and the heat sink 32 is provided with a second screw hole 321.

[0029] The ultra-thin ceiling lamp also includes a screw 6. A first screw hole 41 is provided on the base 4. The heat sink 3 is placed on the base 4 so that the first screw hole 41 and the second screw hole 321 are opposite to each other. The screw 6 connects the first screw hole 41 and the second screw hole 321, so that the heat sink 3 is fixedly connected to the base 4.

[0030] The base 4 is also provided with a protrusion 42, on which an elastic section 421 is provided. The elastic section 421 can swing to a certain extent when subjected to force, and a clamping block 422 is provided on the elastic section 421. A cavity is provided in the surface cover 5, and a groove 51 is provided on the side wall of the cavity. The clamping block 422 is clamped on the groove 51, so that the surface cover 5 is fixedly connected to the base 4.

[0031] An opening 52 is provided on one side of the cavity of the cover 5. After the heat sink 3 and the cover 5 are connected to the base 4, one side of the heat sink body 31 of the heat sink 3 is exposed from the opening 52, that is, this side of the heat sink body 31 is directly in contact with the atmosphere, and the cover 5 covers the heat sink 32, thereby effectively hiding and protecting the heat sink 32.

[0032] The light guide structure 2 includes a reflective paper 21, a light guide plate 22 and a diffuser plate 23. The reflective paper 21 is preferably a T0.3 reflective paper, the light guide plate 22 is preferably a T3.0 light guide plate, and the diffuser plate 23 is preferably a T1.0 double-sided frosted diffuser plate. The reflective paper 21, the light guide plate 22 and the diffuser plate 23 are sequentially overlapped and bonded.

[0033] The light guide structure 2 is embedded in the through hole 311, and the heat dissipation body 31 is provided with a stopper 312 on the top of the side wall of the through hole 311 toward the center direction of the through hole 311, and the base 4 is provided with an annular protrusion 43. The reflective paper 21 of the light guide structure 2 is in contact with the protrusion 43, and the diffuser plate 23 is in contact with the stopper 312, so that the light guide structure 2 can be clamped and fixed by the protrusion 43 and the stopper 312, and the diffuser plate 23 after being set can cover the entire through hole 311.

[0034] A limiting block 313 is provided at the bottom of the stop block 312 . The limiting block 313 is provided at the periphery of the diffusion plate 23 . The limiting block 313 can limit the light guide structure 2 , thereby effectively reducing the probability of positional deviation of the light guide structure 2 .

[0035] The light strip 1 is fixedly connected to the side wall of the through hole 311 by bonding, and the light strip 1 and the light guide plate 21 are opposite to each other after being arranged.

[0036] The ultra-thin ceiling lamp further comprises a driving board 7, which is fixedly mounted on the base 4 by bolts, and the driving board 7 after being installed can be hidden by the light guide structure 2, and the driving board 7 is electrically connected to the light strip 1 by a wire.

[0037] The base 4 is also provided with a mounting hole 44 , to which a bolt 8 can be connected.

[0038] When the ultra-thin ceiling lamp of the utility model is in use, the base 4 can be fixedly connected to the ceiling, wall or other building by installing bolts 8, and the driving board 7 can be connected to the external circuit.

[0039] The external circuit can supply power to the light strip 1, and the light strip 1 can emit light. The light emitted by the light strip 1 can be guided out of the light guide structure 2 to the outside of the utility model, so that the utility model can play a lighting role. Moreover, since the light strip 1 is in direct contact with the heat sink 3, and at the same time, part of the heat sink 3 is exposed, the heat emitted by the light strip 1 can be effectively dissipated through the heat sink 3, ensuring the heat dissipation effect of the utility model. In addition, the light strip 1 is arranged in the through hole of the heat sink 3, which can effectively reduce the thickness requirement of the utility model and improve the aesthetics and applicable installation scenarios of the utility model.

[0040] Example 2

[0041] refer to Figure 7 The structure of the ultra-thin ceiling lamp of this embodiment is similar to that of the ultra-thin ceiling lamp of embodiment 1. The only difference is that the heat dissipation part 32 of the heat dissipation element 3 of the ultra-thin ceiling lamp of this embodiment is preferably an annular aluminum material, and the heat dissipation element 3 is mounted on the base 4 by snap-fitting.

[0042] The snap-fit ​​mounting method has lower installation cost and is more suitable for use on larger ultra-thin ceiling lamps.

[0043] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. Ultra-thin ceiling lamp, characterized in that: The invention comprises a light strip, a light guide structure, a heat sink, a base and a cover, wherein the heat sink comprises a heat sink body and a heat sink portion, wherein the heat sink portion is connected to the outer side of the heat sink body, the cover is connected to the base, the heat sink is connected to the base, the cover is provided with an opening, the cover covers the heat sink portion, the heat sink body is exposed from the opening, the heat sink body is provided with a through hole, the light guide structure is embedded in the through hole, the light strip is connected to the side wall of the through hole and is opposite to the light guide structure.

2. The ultra-thin ceiling lamp according to claim 1, characterized in that: The light guide structure comprises reflective paper, a light guide plate and a diffuser plate, wherein the reflective paper, the light guide plate and the diffuser plate are overlapped and connected in sequence, the light guide plate is opposite to the light strip, and the diffuser plate covers the through hole.

3. The ultra-thin ceiling lamp according to claim 2, characterized in that: The heat dissipation body is provided with a butt block on the side wall of the through hole, the base is provided with a convex block, the reflective paper is in contact with the convex block, and the diffusion plate is in contact with the butt block.

4. The ultra-thin ceiling lamp according to claim 3, characterized in that: A limiting block is arranged at the bottom of the stop block, and the limiting block is arranged at the periphery of the diffusion plate.

5. The ultra-thin ceiling lamp according to claim 1, characterized in that: The base is provided with a protrusion, the protrusion is provided with an elastic section, the elastic section is provided with a clamping block, the surface cover is provided with a groove, and the clamping block is clamped on the groove.

6. The ultra-thin ceiling lamp according to claim 1, characterized in that: It comprises screws, a first screw hole is arranged on the base, a second screw hole is arranged on the heat dissipation part, the first screw hole and the second screw hole are opposite to each other, and the screws connect the first screw hole and the second screw hole.

7. The ultra-thin ceiling lamp according to claim 1, characterized in that: The heat sink is clamped on the base.

8. The ultra-thin ceiling lamp according to claim 1, characterized in that: It comprises a driving board, which is mounted on a base and is electrically connected to a light strip.

9. The ultra-thin ceiling lamp according to claim 1, characterized in that: The base can be cylindrical, cubic or irregular in shape.

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