CN211320088U - Heat radiator - Google Patents

Abstract

The utility model discloses a radiator, include: the heat pipe, with the aluminium of heat pipe connection crowd, establish the fin on the aluminium crowd, the heat pipe is used for absorbing the heat of waiting to dispel the part and give the heat absorption to the aluminium crowd, the heat on the aluminium crowd is dissipated through the fin, the aluminium crowd has: the heat conducting surface is opposite to the installation surface and faces the installation surface of the fin, and the installation surface is uneven. When the radiator works, heat is transmitted to the fins on the mounting surface from the heat conducting surface of the aluminum extrusion through the heat pipe, and is transmitted in the thickness direction of the aluminum extrusion, the mounting surface of the aluminum extrusion has different heights due to unevenness, a part of the mounting surface is sunken and a part of the mounting surface is protruded, the part of the aluminum extrusion sunken in the mounting surface has smaller thickness, so that the heat can be transmitted to the aluminum extrusion and the fins more quickly to dissipate heat, and the heat conduction efficiency is enhanced.

Description

Heat radiator

Technical Field

The utility model relates to a computer technology field especially relates to a radiator.

Background

Integrated circuits are used in large numbers in computer components. It is well known that high temperatures are a rival of integrated circuits. The high temperature can not only cause the unstable operation of the system and shorten the service life, but also possibly burn some parts. The heat that causes the high temperature does not come from outside the computer, but inside the computer, or inside the integrated circuit. The radiator is used for absorbing the heat and then radiating the heat into the case or out of the case, so that the temperature of the computer components is ensured to be normal. In the prior art, the tight fit process of the radiator is that the aluminum extruded bottom meat thickness is tightly matched with the heat pipe, and when the display card chip runs, the temperature of the chip is transferred to the aluminum extruded fins through the heat pipe and the aluminum extruded bottom meat thickness for radiating. The speed of heat conduction to the fins is slow, the heat dissipation efficiency is low, the temperature of the chip is easily overhigh, and the normal work and the service life of the product are influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a heat sink having high heat dissipation efficiency.

The technical scheme is as follows:

a heat sink, comprising: the heat pipe, with the aluminium of heat pipe connection crowd, establish the fin on the aluminium crowd, the heat pipe is used for absorbing the heat of waiting to dispel the part and give the heat absorption to the aluminium crowd, the heat on the aluminium crowd is dissipated through the fin, the aluminium crowd has: the heat conducting surface is opposite to the installation surface and faces the installation surface of the fin, and the installation surface is uneven.

Among the above-mentioned radiator, the radiator during operation, the heat is transmitted to the fin of installation face from the crowded heat-conducting surface of aluminium through the heat pipe, transmit in the crowded thickness direction of aluminium, the crowded installation face of aluminium has different height because unsmooth, there is some sunken and has some protrusion, the crowded protruding part of installation face at the aluminium has great thickness, can guarantee the crowded holistic intensity of aluminium, the crowded sunken part of installation face of aluminium has less thickness simultaneously, make the heat can transmit the heat dissipation on crowded and the fin of aluminium more fast, strengthen thermal conduction efficiency, the crowded aluminium in this embodiment, through the setting of installation face unevenness, make the crowded higher heat conduction efficiency that has obtained again when keeping intensity of aluminium, the holistic radiating efficiency of radiator has been promoted, the part high temperature has been avoided, the dangerous condition takes place.

In one embodiment, the mounting surface has a plurality of semicircular projections, and the fins are arranged on the mounting surface. The semicircular bulge is easy to process, aluminum extrusion materials are saved, and the cost is reduced.

In one embodiment, the heat sink further comprises: the auxiliary heat dissipation part is connected with the heat pipe and is used for contacting with a part to be dissipated; the heat conducting surface is provided with a heat pipe groove, one part of the heat pipe is embedded in the heat pipe groove, and the other part of the heat pipe is positioned outside the heat pipe groove and connected with the auxiliary heat dissipation part.

In one embodiment, a tooth leaking hole is formed in the bottom of the heat pipe groove, and the part of the heat pipe, which is located in the heat pipe groove, abuts against the fin. The heat pipe is embedded into the heat pipe groove, the heat pipe can be directly contacted with the fin part through the tooth leaking holes, heat on the heat pipe can be directly transferred to the fins, and the heat dissipation efficiency of the radiator is greatly improved.

In one embodiment, the heat pipe is formed in plural, and the number of the heat pipe grooves is greater than or equal to the number of the heat pipes.

In one embodiment, the heat pipes include a straight heat pipe and a bent heat pipe, and the heat pipe groove includes: the heat pipe comprises an output groove and a containing groove, the bent heat pipe is bent to form two embedding parts for embedding the heat pipe groove, one of the embedding parts is embedded into the output groove, the other embedding part is embedded into the containing groove, and the embedding part embedded into the output groove is connected with the auxiliary heat dissipation part.

In one embodiment, the embedded portion is flush with the aluminum extrusion in a thickness direction of the aluminum extrusion. The embedding part of the pipe is flat and flush with the aluminum extrusion in the thickness direction of the aluminum extrusion, and is completely embedded into the aluminum extrusion, so that the flatness of the upper end of the radiator is ensured. The heat dissipation is convenient to play the installation, guarantees the area of contact of embedding portion and crowded aluminium simultaneously.

In one embodiment, the auxiliary heat dissipation part is provided with a heat pipe connecting groove, and the heat pipe is embedded into the heat pipe connecting groove.

Drawings

FIG. 1 is a schematic diagram of an embodiment of an aluminum extrusion and fin structure;

FIG. 2 is a top view of an aluminum extrusion in one embodiment;

FIG. 3 is a schematic diagram of a heat sink according to an embodiment;

fig. 4 is an exploded view of a heat sink in one embodiment.

Wherein: 1. aluminum extrusion; 11. a semicircular bulge; 12. a mounting surface; 13. a heat conducting surface; 2. a fin; 3. a heat pipe; 31. a linear heat pipe; 32. bending the heat pipe; 33. an insertion section; 4. a heat conducting portion; 5. a heat pipe groove; 51. an output slot; 52. a receiving groove; 6. and (4) a tooth leaking hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.

The utility model discloses a first embodiment discloses a radiator, can be used in computer part or other parts for to the part heat dissipation of using, guarantee its operating temperature.

In the present embodiment, as shown in fig. 1, the heat sink includes: the aluminum extrusion device comprises an aluminum extrusion 1, fins 2 arranged on the aluminum extrusion 1 and a heat pipe 3 arranged on the aluminum extrusion 1, wherein each fin 2 is arranged on one side of the aluminum extrusion 1, and the fins 2 are made of flaky heat conducting metal and used for radiating heat. The heat pipe 3 is used for absorbing the heat of the part to be cooled, the heat of the part to be cooled is directly transmitted to the aluminum extrusion 1 through heat conduction, and the aluminum extrusion 1 dissipates the heat through the fins 2. Wherein the aluminum extrusion 1 has: the heat pipe 3 is arranged on the heat conducting surface 13, heat on the heat pipe 3 is transferred to the fin 2 through the aluminum extrusion 1 in the process of heat dissipation, the heat is transferred to the mounting surface 12 through the heat conducting surface 13 of the aluminum extrusion 1 and is transferred along the thickness direction of the aluminum extrusion 1, and the thickness of the aluminum extrusion 1 influences the heat transfer efficiency.

In the embodiment, the lower surface of the aluminum extrusion 1 faces to each fin 2, the lower surface is a mounting surface 12, the upper surface is a heat conducting surface 13, wherein the mounting surface 12 is arranged in an uneven manner, the fins 2 are arranged on the mounting surface 12, because the mounting surface 12 of the aluminum extrusion 1 has different heights, and is partially concave and partially convex, the convex part of the aluminum extrusion 1 on the mounting surface 12 has larger thickness, the integral strength of the aluminum extrusion 1 can be ensured, meanwhile, the concave part of the aluminum extrusion 1 on the mounting surface 12 has smaller thickness, so that heat can be more quickly transferred to the fins 2 on the aluminum extrusion 1, and the heat conduction efficiency is enhanced, the aluminum extrusion 1 in the embodiment is arranged in an uneven manner through the mounting surface 12, so that the aluminum extrusion 1 obtains higher heat conduction efficiency while maintaining the strength, the integral heat dissipation efficiency of the radiator is improved, and the over-high temperature of components is avoided, a dangerous situation occurs.

The unevenness of the mounting surface 12 may be provided in various ways, such as stud bumps, square bumps, etc., in this embodiment, the mounting surface 12 has a plurality of semicircular bumps 11, the fins 2 are arranged on the mounting surface 12, and the sides of the fins 2 away from the mounting surface 12 are aligned. The semicircular bulge 11 on the mounting surface 12 can enable the surface of the mounting surface 12 to be uneven, a part of the fins 2 are closer to the top of the aluminum extrusion 1, heat can be quickly transferred to the fins 2 of the aluminum extrusion 1 from the heat pipe 3, and heat conduction efficiency is improved. Meanwhile, the semicircular bulge 11 is easy to process, the aluminum extrusion 1 material is saved, and the cost is reduced.

In order to further improve the heat dissipation efficiency of the heat sink, the heat sink further comprises: the auxiliary heat dissipation part 4 connected to the heat pipe 3, the auxiliary heat dissipation part 4 is arranged outside the aluminum extrusion 1 for carrying out auxiliary heat dissipation on the heat pipe 3, and the heat dissipation efficiency of the heat pipe 3 is improved, so that the heat dissipation efficiency of the radiator is improved.

As shown in fig. 2, the heat conducting surface 13 is provided with a heat pipe groove 5, a part of the heat pipe 3 is embedded in the heat pipe groove 5, and the other part is located outside the heat pipe groove 5 and connected to the auxiliary heat sink 4. In the present embodiment, three heat pipes 3 are provided, each of the three heat pipes 3 is partially embedded in the aluminum extrusion 1, the number of the heat pipe grooves 5 is greater than or equal to the number of the heat pipe grooves 5, and when the number of the heat pipe grooves 5 is equal to the number of the heat pipe grooves 5, each heat pipe 3 is embedded in each heat pipe groove 5. In the present embodiment, as shown in fig. 4, the number of the heat pipe grooves 5 is 5, which is greater than the number of the heat pipes 3, wherein the heat pipes 3 include: 1 straight heat pipe 31 and 2 bending heat pipes 32, 5 heat pipe grooves 5 include: 3 output grooves 51 and 2 accommodating grooves 52, wherein the bent heat pipe 32 is bent to form two embedded parts 33, one embedded part 33 is embedded into the accommodating groove 52, and the other embedded part is embedded into the output groove 51, so that the contact area with the aluminum extrusion 1 is increased, and the heat conduction efficiency is improved; the linear heat pipe 31 has an insertion portion 33 inserted into one of the output grooves 51. The straight line heat pipe 31 and the part of buckling heat pipe 32 that exposes crowded 1 of aluminium all connect supplementary heat dissipation portion 4, and supplementary heat dissipation portion 4 is the fin group, has seted up the heat pipe spread groove on it, and straight line heat pipe 31 and buckling heat pipe 32 all insert in the heat pipe spread groove to supplementary heat dissipation portion 4 can dispel the heat to heat pipe 3 fast.

It should be noted that, as shown in fig. 3, the embedded portion 33 of the heat pipe 3 is flat and flush with the aluminum extrusion 1 in the thickness direction of the aluminum extrusion 1, and is completely embedded in the aluminum extrusion 1, so as to ensure the flatness of the upper end of the heat sink. The heat dissipation is convenient for installation, and simultaneously the contact area of the embedded part 33 and the aluminum extrusion 1 is ensured.

In the embodiment, the heat of the part to be cooled is transferred through the heat pipe 3, and a part of the heat is transferred to the aluminum extrusion 1 and is dissipated through the fins 2; another part of the heat is dissipated through an auxiliary heat dissipation part 4 connected to the heat pipe 3. In order to further improve the heat dissipation efficiency, as shown in fig. 1 and fig. 2, a tooth leaking hole 6 is formed in the bottom of each heat pipe groove 5, the tooth leaking hole 6 penetrates through the aluminum extrusion 1, when the heat pipe 3 is embedded in the heat pipe groove 5, the heat pipe can be directly contacted with the fin 2 through the tooth leaking hole 6, the heat on the heat pipe 3 can be directly transferred to the fin 2, and the heat dissipation efficiency of the radiator is greatly improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. A heat sink, comprising: the heat pipe, with the aluminium of heat pipe connection crowd, establish the fin on the aluminium crowd, the heat pipe is used for absorbing the heat of waiting to dispel the part and give the heat absorption to the aluminium crowd, the heat on the aluminium crowd is dissipated through the fin, the aluminium crowd has: the heat conducting surface is opposite to the installation surface and faces the installation surface of the fin, and the installation surface is uneven.

2. The heat sink of claim 1, wherein said mounting surface has a plurality of semi-circular protrusions, each of said fins being arranged on said mounting surface.

3. The heat sink of claim 1, further comprising: the auxiliary heat dissipation part is connected with the heat pipe and is used for contacting with a part to be dissipated; the heat conducting surface is provided with a heat pipe groove, one part of the heat pipe is embedded in the heat pipe groove, and the other part of the heat pipe is positioned outside the heat pipe groove and connected with the auxiliary heat dissipation part.

4. The heat sink as claimed in claim 3, wherein a tooth hole is opened on the bottom of the heat pipe groove, and the part of the heat pipe located in the heat pipe groove abuts against the fin.

5. The heat sink as claimed in claim 4, wherein the heat pipe is formed in plural, and the number of the heat pipe grooves is greater than or equal to the number of the heat pipes.

6. The heat sink of claim 5, wherein the heat pipes comprise straight heat pipes and bent heat pipes, and the heat pipe groove comprises: the heat pipe comprises an output groove and a containing groove, the bent heat pipe is bent to form two embedding parts for embedding the heat pipe groove, one of the embedding parts is embedded into the output groove, the other embedding part is embedded into the containing groove, and the embedding part embedded into the output groove is connected with the auxiliary heat dissipation part.

7. The heat sink of claim 6, wherein the insert portion is flush with the aluminum extrusion in a thickness direction of the aluminum extrusion.

8. The heat sink as claimed in claim 3, wherein the auxiliary heat dissipating part has a heat pipe connecting groove, and the heat pipe is embedded in the heat pipe connecting groove.

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