CN210401992U

CN210401992U - Heat radiation structure of projection LED lamp

Info

Publication number: CN210401992U
Application number: CN201921606013.8U
Authority: CN
Inventors: 钟波; 肖适; 王鑫; 李军发
Original assignee: Chengdu Jimi Technology Co Ltd
Current assignee: Jimi Technology Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-04-24
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a heat radiation structure of projection LED lamp, including heat conduction piece, heat pipe one and the fin one of being connected with heat pipe one, the one side of heat conduction piece be the conduction plane, heat pipe one is provided with the conduction section that is on a parallel with the conduction plane, the inslot that the embedding of conduction section was seted up on the conduction plane to the wall and the conduction plane of conduction section flush, the conduction section of heat pipe one and the conduction plane of heat conduction piece together directly contact with the LED lamp. Projection LED lamp's heat radiation structure adopt heat pipe and LED lamp direct contact's mode, enable the more direct efficient of heat to derive to heat conduction piece and heat pipe combination, the area of contact of increase and LED lamp make the heat can more fully, evenly, quick quilt derive, effectively realize the heat dissipation cooling to the LED lamp, guarantee LED lamp can long-term stable work, prolong the life of LED lamp.

Description

Heat radiation structure of projection LED lamp

Technical Field

The utility model relates to a LED lighting technology field especially relates to a heat radiation structure of projection LED lamp.

Background

The luminous efficiency of the LED lamp can only reach 20% -30%, 80% -70% of energy is converted into heat, the higher the temperature is, the shorter the service life of the LED lamp is, and in order to guarantee the service life of devices, the LED lamp needs to be kept at a lower temperature, so that the heat dissipation structure is the key point of the design of the LED lamp. The LED lamp of the heavy current high power that adopts in the projecting apparatus, to the heat dissipation requirement higher, the radiating effect of the heat radiation structure who adopts at present is relatively poor, is difficult to the even quick derivation of the heat of LED lamp, appears LED lamp work unstable situation easily to the projecting apparatus inner space is limited, adopts the unable space design requirement that satisfies of the mode of increase heat radiation structure size.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve and the technical task that provides improve prior art, provide a heat radiation structure of projection LED lamp, the heat radiation structure of solving the LED lamp among the prior art is difficult to the even quick derivation of the heat of LED lamp, the relatively poor problem of radiating effect.

For solving the above technical problem, the technical scheme of the utility model is that:

a heat dissipation structure of a projection LED lamp comprises a heat conduction block, a heat pipe I and a fin I connected with the heat pipe I, wherein one surface of the heat conduction block is a conduction plane, the heat pipe I is provided with a conduction section parallel to the conduction plane, the conduction section is embedded in a groove formed in the conduction plane, the wall surface of the conduction section is flush with the conduction plane, and the conduction section of the heat pipe I and the conduction plane of the heat conduction block are directly contacted with the LED lamp together. The heat dissipation structure of the projection LED lamp of the utility model adopts the mode that the first heat pipe is in direct contact with the LED lamp, so that the LED lamp can be more directly and efficiently conducted onto the heat pipe, the heat dissipation efficiency is improved, but the contact area between the heat pipe and the LED lamp is smaller, and the heat generated by the LED lamp is difficult to be efficiently and completely LED out, therefore, the mode that the heat conduction block is combined with the first heat pipe is adopted, the conduction plane of the heat conduction block is in contact with the LED lamp, so that the heat generated by the LED lamp can be more fully, uniformly and rapidly LED out, the conduction section of the first heat pipe is embedded into the groove arranged on the conduction plane, namely, the first heat conduction block and the first heat pipe have larger contact area, the heat generated by the LED lamp can be fully and rapidly conducted onto the first heat pipe after being LED out onto the heat conduction block, the heat is conducted onto the first heat pipe along the first heat pipe, the LED lamp is fully and effectively cooled, the long-term stable work of the LED lamp is guaranteed, and the service life of the LED lamp is prolonged.

Furthermore, the conduction plane of the heat conduction block is provided with a conduction section of a plurality of heat pipes I, and more heat pipes I are directly contacted with the LED lamp, so that the heat dissipation efficiency is improved.

The LED lamp comprises a heat conduction block, a heat pipe II and a fin II, wherein the heat pipe II is provided with a conduction section embedded in a groove formed in the other surface of the heat conduction block, the volume of the LED lamp is limited, so that more heat pipes I cannot be added to directly contact with the LED lamp for heat dissipation, the heat pipe II connected with the fin II is additionally arranged on the heat conduction block to increase the heat dissipation efficiency, and heat conducted to the heat conduction block is dissipated along the path from the heat pipe I to the fin I and along the path from the heat pipe II to the fin II.

Furthermore, the conduction section of the second heat pipe is connected to the heat conduction block in a reinforcing mode through the locking plate, and the structural stability is improved.

Further, the conducting section of the second heat pipe is parallel or vertical to the conducting section of the first heat pipe.

Furthermore, the heat conducting block is an oxygen-free copper block, has the characteristics of high strength and high heat conductivity, and improves the heat dissipation effect.

Compared with the prior art, the utility model discloses the advantage lies in:

projection LED lamp's heat radiation structure adopt heat pipe and LED lamp direct contact's mode, enable the more direct efficient of heat to derive to heat conduction piece and heat pipe combination, increase and the area of contact of LED lamp, make the heat can more fully, evenly, quick quilt derive, effectively realize the heat dissipation cooling to the LED lamp, guarantee LED lamp can long-term stable work, the life of extension LED lamp, and heat radiation structure's is small, with low costs, it is convenient simple to implement.

Drawings

FIG. 1 is a schematic diagram of a front side structure of a heat dissipation structure of a projection LED lamp;

fig. 2 is a schematic diagram of a rear side structure of a heat dissipation structure of a projection LED lamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model discloses heat radiation structure of projection LED lamp for the heat of LED lamp can more even quick be derived, effectively improves the radiating effect, and guarantee LED lamp work prolongs the life of LED lamp at suitable temperature.

As shown in fig. 1 and 2, a heat dissipation structure of a projection LED lamp mainly includes a heat conduction block 1, a heat pipe 1, and a fin 3 connected to the heat pipe 2, where the heat conduction block 1 is an oxygen-free copper block, and has good thermal conductivity to ensure that heat can be quickly conducted out, one surface of the heat conduction block 1 is a conduction plane, the heat pipe 2 is provided with a linear conduction section parallel to the conduction plane, a linear groove is formed in the conduction plane of the heat conduction block 1, the conduction section of the heat pipe 2 is embedded in the groove formed in the conduction plane and welded together, a wall surface of the conduction section is flush with the conduction plane by polishing, and the conduction plane of the heat conduction block 1 abuts against the LED lamp 4 and the conduction section of the heat pipe 2 and the conduction plane of the heat conduction block 1 are together directly contacted with the LED lamp 4.

The first heat pipes 2 are arranged in parallel, namely two parallel grooves are formed in a conduction plane of the heat conduction block 1, the first heat pipes 2 are embedded into the grooves, the wall surfaces of conduction sections of the first heat pipes are flush with the conduction plane through polishing, the first heat pipes 2 are connected to the first fins 3 together, and heat of the LED lamp 4 is LED out of the first fins 3 and then dissipated.

A heat conduction piece 1 can dispel the heat to a plurality of LED lamps 4 simultaneously, has independent heat pipe 2 to contact with it to every LED lamp 4, ensures the radiating efficiency.

Because the LED lamp has limited volume and size, more heat pipes I cannot be added to directly contact with the LED lamp for heat dissipation, and a multilayer overlapping and interactive mode is adopted, additional heat pipes are connected to the heat conduction block 1 to increase the heat dissipation efficiency, so that the heat of the high-power LED can be dissipated in time, specifically, a heat pipe II 5 and a fin II 6 connected with the heat pipe II 5 are arranged, grooves are arranged on the other surfaces of the heat conduction block 1, the heat pipe II 5 is provided with conduction sections for embedding the grooves, in the embodiment, the heat conduction block 1 is of a cuboid structure, the conduction sections of the heat pipe II 5 are connected to the surface of the heat conduction block 1 opposite to the conduction sections of the heat pipe I2, the conduction sections of the heat pipe II 5 are embedded into the grooves of the heat conduction block 1 and welded together, and then are connected in a reinforcing way through copper locking plates, the conduction sections of the heat pipe II 5 are also in a straight line, and the conduction sections of the heat pipe II 5, and two heat pipes 5 are arranged, and heat conducted to the heat conducting block is radiated along a path from the first heat pipe to the first fin and a path from the second heat pipe to the second fin.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims

1. The heat dissipation structure of the projection LED lamp is characterized by comprising a heat conduction block (1), a heat pipe I (2) and a fin I (3) connected with the heat pipe I (2), wherein one surface of the heat conduction block (1) is a conduction plane, the heat pipe I (2) is provided with a conduction section parallel to the conduction plane, the conduction section is embedded in a groove formed in the conduction plane, the wall surface of the conduction section is flush with the conduction plane, and the conduction section of the heat pipe I (2) and the conduction plane of the heat conduction block (1) are directly contacted with the LED lamp (4).

2. The heat dissipation structure of a projection LED lamp as claimed in claim 1, wherein the conduction plane of the heat conduction block (1) is provided with conduction sections of a plurality of first heat pipes (2).

3. The heat dissipation structure of the projection LED lamp as claimed in claim 1, further comprising a second heat pipe (5) and a second fin (6) connected to the second heat pipe (5), wherein the second heat pipe (5) is provided with a conductive section embedded in a groove formed in the other surface of the heat conduction block (1).

4. The heat dissipation structure of the projection LED lamp as claimed in claim 3, wherein the conductive section of the second heat pipe (5) is further connected to the heat conduction block (1) through a lock plate.

5. The heat dissipation structure of the projection LED lamp as claimed in claim 3, wherein the conductive section of the second heat pipe (5) is parallel or perpendicular to the conductive section of the first heat pipe (2).

6. The heat dissipation structure of a projection LED lamp as claimed in any one of claims 1 to 5, wherein the heat conduction block (1) is an oxygen-free copper block.