CN220870811U

CN220870811U - Lighting lamp

Info

Publication number: CN220870811U
Application number: CN202322859747.XU
Authority: CN
Inventors: 黄俊晖; 薛永
Original assignee: Opple Lighting Co Ltd; Suzhou Op Lighting Co Ltd
Current assignee: Opple Lighting Co Ltd; Suzhou Op Lighting Co Ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-04-30
Anticipated expiration: 2033-10-24

Abstract

The utility model provides a lighting lamp, which comprises a lamp body and a heat dissipation assembly fixedly connected with the lamp body. The lamp body comprises a lamp shell and a cover plate, the heat dissipation assembly is fixed between the lamp shell and the cover plate and comprises a fixed end fixed between the lamp shell and the cover plate and a free end exposed outside the lamp body; the heat dissipation assembly further comprises a plurality of flexible heat dissipation fins which are identical in structure and stacked mutually, the fixed end of each flexible heat dissipation fin is stacked mutually and fixed between the lamp shell and the cover plate, and a gap is reserved between the free ends of two adjacent flexible heat dissipation fins; the lamp shell is provided with guide posts, the fixed end of each flexible radiating fin is correspondingly provided with guide holes, and the guide posts sequentially penetrate through the guide holes of each flexible radiating fin so as to fix the plurality of flexible radiating fins between the lamp shell and the cover plate. Compared with the prior art, the heat dissipation power of the lighting lamp can be changed by adjusting the number of the heat dissipation fins, so as to meet different requirements of users.

Description

Lighting lamp

Technical Field

The utility model relates to a lighting lamp, and belongs to the technical field of lighting.

Background

With the improvement of living standard, various household appliances increase power, which leads to the rising demand of various household appliances for heat dissipation efficiency. The service life and the working temperature of the lamp bead are related to the heat dissipation effect, and with the development of miniaturization and aggregation of the lamp, the existing die-casting radiator has difficulty in meeting the product requirement in heat dissipation capacity. However, the existing radiator needs to be adjusted together with the original size of the lamp body after increasing the heat dissipation area, and some applications with limited space cannot be used continuously due to the adjustment of the size of the lamp body.

In view of the foregoing, there is a need for an improved lighting fixture that solves the above-described problems.

Disclosure of utility model

The utility model aims to provide a lighting lamp, which can improve heat dissipation efficiency without adjusting the size of a lamp body.

In order to achieve the above object, the present utility model provides a lighting fixture, comprising a lamp body and a heat dissipation assembly fixedly connected with the lamp body, wherein the lamp body comprises a lamp housing and a cover plate, and the heat dissipation assembly is fixed between the lamp housing and the cover plate and comprises a fixed end fixed between the lamp housing and the cover plate and a free end exposed outside the lamp body;

The heat dissipation assembly comprises a plurality of flexible heat dissipation fins which are identical in structure and mutually stacked, the fixed end of each flexible heat dissipation fin is mutually stacked and fixed between the lamp shell and the cover plate, and a gap is reserved between the free ends of two adjacent flexible heat dissipation fins so as to enlarge the heat dissipation area of the heat dissipation assembly;

The lamp body is provided with guide posts, the fixed end of each flexible radiating fin is correspondingly provided with guide holes, and the guide posts sequentially penetrate through the guide holes of each flexible radiating fin so as to fix a plurality of flexible radiating fins between the lamp body and the cover plate.

As a further improvement of the utility model, the heat dissipation assembly comprises a first flexible heat dissipation plate and a second flexible heat dissipation plate which are adjacent, extension arms extending outwards are arranged on the first flexible heat dissipation plate and the second flexible heat dissipation plate, and the tail ends of the extension arms of the first flexible heat dissipation plate are abutted with the outer surface of the second flexible heat dissipation plate so as to space the first flexible heat dissipation plate and the second flexible heat dissipation plate and prop up a gap.

As a further improvement of the utility model, the heat dissipation assembly is provided with two groups, namely a first heat dissipation assembly and a second heat dissipation assembly, a plane where the fixed end is located is defined as a reference plane, the free end of the first heat dissipation assembly is bent and extended upwards from the reference plane, and the free end of the second heat dissipation assembly is bent and extended downwards from the reference plane.

As a further improvement of the present utility model, in the first heat dissipating assembly, the extension arm extends downward from a lower surface of the free end; in the second heat dissipation assembly, the extension arm extends upwards from the upper surface of the free end.

As a further improvement of the utility model, a fixed space is arranged between the lamp shell and the cover plate, the fixed ends of the flexible radiating fins are stacked and fixed in the fixed space, the fixed space is defined as the center, the free ends of the flexible radiating fins extend around the fixed space and are exposed outside the lamp body, and a gap is reserved between two adjacent flexible radiating fins in the circumferential direction of the fixed space.

As a further improvement of the utility model, the flexible radiating fin further comprises radiating blocks vertically arranged at the free ends of the flexible radiating fins, a plurality of radiating blocks are arranged in the length direction of the flexible radiating fins at intervals, and radiating spacers are respectively fixed at two sides of the radiating blocks along the width direction of the flexible radiating fins.

As a further improvement of the utility model, the free end is rectangular and comprises a first side edge and a second side edge which are oppositely arranged and parallel to each other, the heat dissipation block comprises a first side wall which is close to the first side edge and perpendicular to the first side edge, and a second side wall which is close to the second side edge and perpendicular to the second side edge, the heat dissipation separation sheets are fixed on the first side wall and the second side wall, and the heat dissipation separation sheets completely cover the first side wall and the second side wall.

As a further improvement of the utility model, the heat dissipation block further comprises a bottom wall which is attached to the free ends of the flexible heat dissipation fins and a partition wall which is perpendicular to the bottom wall, wherein the first side wall and the second side wall are perpendicular to the bottom wall, and the partition wall is arranged between the first side wall and the second side wall and is spaced from the first side wall and the second side wall.

As a further improvement of the utility model, the flexible heat sink comprises a stainless steel sheet and a graphene sheet, wherein the graphene sheet is fixed on the stainless steel sheet and is completely attached to the stainless steel sheet.

As a further improvement of the utility model, the fixed end of the heat radiation component is provided with a positioning hole, the lamp shell and the cover plate are correspondingly provided with positioning grooves, and the positioning hole and the positioning grooves are mutually aligned so that the heat radiation component is fixedly connected with the lamp shell and the cover plate by using a positioning piece to penetrate through the positioning hole and the positioning grooves.

The beneficial effects of the utility model are as follows: according to the lighting lamp, the radiating component formed by stacking the plurality of flexible radiating fins is fixed between the lamp shell and the cover plate, and the gaps are reserved between the adjacent flexible radiating fins, so that the radiating area is enlarged; meanwhile, the heat radiation power of the heat radiation component can be adjusted by adjusting the number of the flexible heat radiation fins, so that the heat radiation power of the lighting lamp can be enhanced under the condition that the size of the lamp body is not increased.

Drawings

Fig. 1 is a schematic structural diagram of a lighting fixture according to embodiment 1 of the present utility model.

Fig. 2 is an exploded view of the light fixture shown in fig. 1.

Fig. 3 is an exploded view of the cover plate and the housing shown in fig. 1.

Fig. 4 is a schematic structural diagram of the heat dissipating assembly in fig. 2.

Fig. 5 is an exploded view of the heat dissipating assembly of fig. 4.

Fig. 6 is a schematic structural view of the first flexible heat sink and the second flexible heat sink in fig. 5.

Fig. 7 is a schematic structural diagram of a lighting fixture according to embodiment 2 of the present utility model.

Fig. 8 is a schematic view of the flexible heat sink of fig. 7.

Fig. 9 is an exploded view of the flexible heat sink shown in fig. 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 7, the present utility model discloses a lighting fixture 1, which can change the heat dissipation power of the lighting fixture 1 without adjusting the size of a lamp body 2.

As shown in fig. 2 to 4, the lighting fixture 1 includes a lamp body 2 and a heat dissipation assembly 3 fixedly connected to the lamp body 2, the lamp body 2 includes a lamp housing 21 and a cover plate 22, the heat dissipation assembly 3 is fixed between the lamp housing 21 and the cover plate 22, and includes a fixed end 31 fixed between the lamp housing 21 and the cover plate 22 and a free end 32 exposed outside the lamp body 2; the heat dissipation assembly 3 includes a plurality of flexible heat dissipation fins 30 having the same structure and being stacked on each other, wherein the fixed end 31 of each flexible heat dissipation fin 30 is stacked on each other and fixed between the lamp housing 21 and the cover plate 22, and a gap is left between the free ends 32 of two adjacent flexible heat dissipation fins 30, so as to enlarge the heat dissipation area of the heat dissipation assembly 3. In other words, by adjusting the number of the flexible heat dissipating fins 30, the heat dissipating area of the heat dissipating component 3 can be enlarged, so as to increase the heat dissipating efficiency of the lighting fixture 1; meanwhile, the free end 32 arranged outside the lamp body 2 is used for enabling the lighting lamp 1 not to adjust the size of the lamp body 2 according to the heat dissipation area of the heat dissipation component 3, so that the lamp has universality and practicability.

Preferably, the flexible heat sink 30 includes a stainless steel sheet 304 and a graphene sheet 305, and the graphene sheet 305 is fixed on the stainless steel sheet 304 and is completely attached to the stainless steel sheet 304. Experiments show that the graphene is compounded with other heat dissipation materials (such as copper or aluminum or stainless steel in the embodiment), so that the heat dissipation performance can be effectively improved.

Specifically, the fixed end 31 of the heat dissipating assembly 3 is provided with a positioning hole 312, the lamp housing 21 and the cover plate 22 are correspondingly provided with positioning slots 212, and the positioning hole 312 and the positioning slots 212 are aligned with each other, so that the heat dissipating assembly 3 is fixedly connected with the lamp housing 21 and the cover plate 22 by using the positioning piece 4 to pass through the positioning hole 312 and the positioning slots 212. Of course, in other embodiments, other fixing methods may be selected, and the heat dissipation assembly 3 is only required to be fixed between the lamp housing 21 and the cover plate 22, which is not limited.

Preferably, the lamp housing 21 is provided with a guide post 211, and the fixed end 31 of each flexible heat sink 30 is correspondingly provided with a guide hole 311, and the guide post 211 sequentially passes through the guide hole 311 of each flexible heat sink 30 to fix the plurality of flexible heat sinks 30 between the lamp housing 21 and the cover plate 22. By providing the guide posts 211, the flexible heat sink 30 is more convenient to install. Optionally, the fixed ends 31 of the plurality of flexible heat dissipation fins 30 are stacked, so that the plurality of guide holes 311 are aligned with each other to form a receiving cavity, the guide post 211 is received in the receiving cavity, when the number of the flexible heat dissipation fins 30 is small, the guide post 211 passes through the receiving cavity and is partially exposed outside the receiving cavity, at this time, a guide groove corresponding to the guide hole 311 and the guide post 211 is formed on the cover plate 22, so that the guide post 211 is received in the guide groove or passes through the guide groove and is exposed outside the lamp body 2.

The heat dissipation assembly 3 may be adapted to any lamp body 2, and it is only necessary to ensure that the lamp body 2 fixes the heat dissipation assembly 3 between the lamp housing 21 and the cover plate 22. Of course, in other embodiments, the heat dissipation component 3 may be fixed at other positions of the lamp body 2, which is not limited only by ensuring that the free end 32 is exposed to the outside of the lamp body 2.

For ease of understanding, the heat sink assembly 3 will be described in connection with two specific embodiments.

Example 1:

Referring to fig. 1 to 6, in the present embodiment, the flexible heat sinks 30 are stacked up and down toward the same direction, and a gap is left between two adjacent flexible heat sinks 30.

The heat dissipation assembly 3 includes a first flexible heat dissipation plate 301 and a second flexible heat dissipation plate 302 adjacent to each other, extension arms 303 extending outwards are disposed on the first flexible heat dissipation plate 301 and the second flexible heat dissipation plate 302, and the ends of the extension arms 303 of the first flexible heat dissipation plate 301 are abutted against the outer surface of the second flexible heat dissipation plate 302, so as to space the first flexible heat dissipation plate 301 and the second flexible heat dissipation plate 302 and prop up a gap. In this way, the contact area between the heat radiation component 3 and the air is enlarged, namely the heat radiation area is enlarged, and the heat radiation efficiency is further improved; meanwhile, when the bending amplitude of the plurality of flexible cooling fins 30 generated by the separation of the extension arms 303 accords with the bending coefficient, the quantity of the flexible cooling fins 30 is adjusted to adjust the heat dissipation power so as to adapt to a plurality of lighting fixtures 1 with different specifications or requirements.

Preferably, the extension arm 303 is an extension integrally formed with the stainless steel plate 304. Of course, in other embodiments, the extension arm 303 may be post-assembled without limitation.

The heat dissipation assembly 3 is provided with two groups, namely a first heat dissipation assembly 33 and a second heat dissipation assembly 34, which define a plane where the fixed end 31 is located as a reference plane, the free end 32 of the first heat dissipation assembly 33 is bent and extended upwards from the reference plane, and the free end 32 of the second heat dissipation assembly 34 is bent and extended downwards from the reference plane. In the first heat dissipating component 33, the extension arm 303 extends downward from the lower surface of the free end 32; in the second heat sink assembly 34, the extension arm 303 extends upward from the upper surface of the free end 32. That is, the free end 32 of the first heat dissipating component 33 is higher than the fixed end 31 of the first heat dissipating component 33, and the free end 32 of the second heat dissipating component 34 is lower than the fixed end 31 of the second heat dissipating component, so that the heat dissipating component 3 can insert more flexible heat dissipating fins 30 while reducing the bending amplitude of the flexible heat dissipating fins 30 as much as possible. Preferably, the first heat dissipating component 33 and the second heat dissipating component 34 are symmetrical to each other with respect to the reference plane, so as to maintain the beauty of the heat dissipating component 3 while reducing the bending amplitude of the heat dissipating fins.

Example 2:

Referring to fig. 7 to 9, in the present embodiment, a fixing space (not shown) is provided between the lamp housing 21 'and the cover 22', the fixing ends 31 'of the plurality of flexible heat dissipation fins 30' are stacked and fixed in the fixing space, the fixing space is defined as a center, the free ends 32 'of the plurality of flexible heat dissipation fins 30' extend around the fixing space and are exposed outside the lamp body 2', and a gap is left between two adjacent flexible heat dissipation fins 30' in the circumferential direction of the fixing space. Preferably, the fixed end 31' of the flexible heat sink 30' is correspondingly provided with a guiding hole 311' and a positioning hole 312' to be matched with the lamp body 2' and then fixed in the fixed space.

The flexible heat sink 30' further comprises heat dissipation blocks 35 vertically arranged at the free ends 32' of the flexible heat sink 30', the heat dissipation blocks 35 are arranged in a plurality of mutually spaced manner along the length direction of the flexible heat sink 30', and heat dissipation spacers 36 are respectively fixed at two sides of the heat dissipation blocks 35 along the width direction of the flexible heat sink 30 '. Preferably, when the flexible heat sink 30' is bent toward the heat sink 35, a gap is left between two adjacent heat sinks 35, i.e. the heat sinks on two adjacent heat sinks 35 will not collide. By providing the heat dissipation block 35 and the heat dissipation spacer 36, the heat dissipation efficiency of the flexible heat dissipation sheet 30' is further improved.

In this embodiment, the heat dissipation block 35 is fixed on the stainless steel sheet 304', and the graphene sheet 305' is fixed on a side of the stainless steel sheet 304' facing away from the heat dissipation block 35.

Specifically, the free end 32' is rectangular, and includes a first side 37 and a second side 38 that are disposed opposite and parallel to each other, the heat dissipation block 35 includes a first side wall 351 that is close to the first side 37 and perpendicular to the first side 37, and a second side wall 352 that is close to the second side 38 and perpendicular to the second side 38, the heat dissipation spacers 36 are fixed on the first side wall 351 and the second side wall 352, and the heat dissipation spacers 36 completely cover the first side wall 351 and the second side wall 352.

The heat dissipation block 35 further includes a bottom wall 353 attached to the free end 32 'of the flexible heat dissipation fin 30' and a partition wall 354 perpendicular to the bottom wall 353, the first side wall 351 and the second side wall 352 are perpendicular to the bottom wall 353, and the partition wall 354 is disposed between the first side wall 351 and the second side wall 352 and is spaced from the first side wall 351 and the second side wall 352. Therefore, the heat dissipation area is further enlarged, and the heat dissipation efficiency is further improved.

In summary, according to the lighting lamp 1 of the present utility model, the heat dissipation assembly 3 formed by stacking the plurality of flexible heat dissipation fins 30 is fixed between the lamp housing 21 and the cover plate 22, and the space is reserved between the adjacent flexible heat dissipation fins 30, so that the heat dissipation area is enlarged; meanwhile, the number of the flexible radiating fins 30 is adjusted to adjust the radiating power of the radiating component 3, so that the radiating power of the lighting lamp 1 can be enhanced without increasing the size of the lamp body 2.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a lighting lamp, includes lamp body (2) and with lamp body (2) fixed connection's radiator unit (3), its characterized in that: the lamp body (2) comprises a lamp housing (21) and a cover plate (22), and the heat dissipation assembly (3) is fixed between the lamp housing (21) and the cover plate (22) and comprises a fixed end (31) fixed between the lamp housing (21) and the cover plate (22) and a free end (32) exposed outside the lamp body (2);

The heat dissipation assembly (3) comprises a plurality of flexible heat dissipation fins (30) which are identical in structure and mutually stacked, wherein fixed ends (31) of each flexible heat dissipation fin (30) are mutually stacked and fixed between the lamp shell (21) and the cover plate (22), and gaps are reserved between free ends (32) of two adjacent flexible heat dissipation fins (30) so as to enlarge the heat dissipation area of the heat dissipation assembly (3);

The lamp body (21) is provided with guide posts (211), the fixed end (31) of each flexible radiating fin (30) is correspondingly provided with guide holes (311), and the guide posts (211) sequentially penetrate through the guide holes (311) of each flexible radiating fin (30) so as to fix a plurality of flexible radiating fins (30) between the lamp body (21) and the cover plate (22).

2. A lighting fixture as recited in claim 1, wherein: the heat dissipation assembly (3) comprises a first flexible heat dissipation sheet (301) and a second flexible heat dissipation sheet (302) which are adjacent, extension arms (303) extending outwards are arranged on the first flexible heat dissipation sheet (301) and the second flexible heat dissipation sheet (302), and the tail ends of the extension arms (303) of the first flexible heat dissipation sheet (301) are abutted to the outer surface of the second flexible heat dissipation sheet (302) so as to space the first flexible heat dissipation sheet (301) and the second flexible heat dissipation sheet (302) and prop up a gap.

3. A lighting fixture as recited in claim 2, wherein: the heat dissipation assembly (3) is provided with two groups, namely a first heat dissipation assembly (33) and a second heat dissipation assembly (34), a plane where the fixed end (31) is located is defined as a reference plane, the free end (32) of the first heat dissipation assembly (33) is bent and extended upwards from the reference plane, and the free end (32) of the second heat dissipation assembly (34) is bent and extended downwards from the reference plane.

4. A lighting fixture as recited in claim 3, wherein: -in the first heat sink assembly (33), the extension arm (303) extends downwardly from the lower surface of the free end (32); in the second heat sink assembly (34), the extension arm (303) extends upward from the upper surface of the free end (32).

5. A lighting fixture as recited in claim 1, wherein: a fixed space is arranged between the lamp housing (21) and the cover plate (22), fixed ends (31) of a plurality of flexible radiating fins (30) are stacked and fixed in the fixed space, the fixed space is defined as the center, free ends (32) of the flexible radiating fins (30) extend around the fixed space and are exposed outside the lamp body (2), and a gap is reserved between two adjacent flexible radiating fins (30) in the circumferential direction of the fixed space.

6. A lighting fixture as recited in claim 5, wherein: the flexible radiating fin (30) further comprises radiating blocks (35) which are perpendicularly arranged at the free ends (32) of the flexible radiating fin (30), the radiating blocks (35) are arranged in the length direction of the flexible radiating fin (30) at intervals, and radiating spacers (36) are respectively fixed on two sides of the radiating blocks (35) along the width direction of the flexible radiating fin (30).

7. A lighting fixture as recited in claim 6, wherein: the free end (32) is rectangular, and comprises a first side edge (37) and a second side edge (38) which are oppositely arranged and parallel to each other, the radiating block (35) comprises a first side wall (351) which is close to the first side edge (37) and perpendicular to the first side edge (37), and a second side wall (352) which is close to the second side edge (38) and perpendicular to the second side edge (38), the first side wall (351) and the second side wall (352) are both fixedly provided with the radiating spacer (36), and the radiating spacer (36) completely covers the first side wall (351) and the second side wall (352).

8. A lighting fixture as recited in claim 7, wherein: the heat dissipation block (35) further comprises a bottom wall (353) and a partition wall (354), wherein the bottom wall (353) is attached to the free ends (32) of the flexible heat dissipation fins (30), the partition wall is perpendicular to the bottom wall (353), the first side wall (351) and the second side wall (352) are perpendicular to the bottom wall (353), and the partition wall (354) is arranged between the first side wall (351) and the second side wall (352) and is arranged with the first side wall (351) and the second side wall (352) at intervals.

9. A lighting fixture as recited in claim 1, wherein: the flexible radiating fin (30) comprises a stainless steel sheet (304) and graphene sheets (305), wherein the graphene sheets (305) are fixed on the stainless steel sheet (304) and are completely attached to the stainless steel sheet (304).

10. A lighting fixture as recited in claim 1, wherein: the fixed end (31) of the heat radiation component (3) is provided with a positioning hole (312), the lamp housing (21) and the cover plate (22) are correspondingly provided with positioning grooves (212), the positioning hole (312) and the positioning grooves (212) are mutually aligned, so that the heat radiation component (3) is fixedly connected with the lamp housing (21) and the cover plate (22) by using the positioning piece (4) to penetrate through the positioning hole (312) and the positioning grooves (212).