CN210466311U

CN210466311U - Heat radiator with fin provided with heat pipe

Info

Publication number: CN210466311U
Application number: CN201921982058.5U
Authority: CN
Inventors: 王芳
Original assignee: Dongguan Tong Chuang Electronics Technology Co ltd
Current assignee: Dongguan Tong Chuang Electronics Technology Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-05-05
Anticipated expiration: 2029-11-18

Abstract

The invention discloses a heat dissipation device with fins provided with heat pipes, which comprises a heat dissipation body, the heat pipes and a fin group, wherein a plurality of heat dissipation fins which are arranged at intervals are manufactured on the heat dissipation body, and the end surface of the heat dissipation body, which is deviated from the heat dissipation fins, is arranged as a heat conduction surface which is in contact with a heating body and is concavely provided with a straight groove and a U-shaped groove; the heat pipes comprise a first heat pipe and two second heat pipes, two straight pipes of the first heat pipe are respectively inserted into the straight grooves and penetrate into first through holes formed in the matching positions of the fin group, U-shaped pipes of the two second heat pipes are embedded in the matching U-shaped grooves, the straight pipes of the two second heat pipes are inserted into second through holes formed in the matching positions of the fin group, and the first heat pipe is matched with the two second heat pipes to enable the heat dissipation body to be connected with the fin group in a matching mode; the fin group is used for radiating heat transmitted by the heat pipe, and the two sides of the fin group in the width direction are also provided with buckles for fixedly mounting the fin group and the radiating device.

Description

Heat radiator with fin provided with heat pipe

Technical Field

The utility model belongs to the technical field of the radiator technique and specifically relates to a heat abstractor of fin area heat pipe.

Background

The CPU is an ultra-large scale integrated circuit, is an operation core and a control core in a computer, and plays an indispensable role in the computer. However, the CPU generates a large amount of heat during operation, and the heat generated by the CPU needs to be dissipated in time, otherwise the CPU may be halted or burned. At this time, the CPU heat sink is required to dissipate heat of the CPU, and plays an important role in stable operation of the CPU.

In the prior art, a commonly used fin radiator is used for radiating heat of a CPU and an electronic component. The heat dissipation effect is often determined based on the volume of the heat sink, and the existing heat sink cannot meet the corresponding heat dissipation requirement under the condition that the volume of the CPU and other electronic components is fixed.

Therefore, a heat dissipation device with fins and heat pipes, which has high heat dissipation efficiency, good use effect and multi-stage heat dissipation, is urgently needed in the market.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the defect of existence among the above-mentioned prior art, provide a heat abstractor of fin area heat pipe that radiating efficiency is high, excellent in use effect and multistage heat dissipation.

In order to solve the technical problem, the utility model adopts a technical scheme that the heat dissipation device with the fins provided with the heat pipes comprises a heat dissipation body, the heat pipes and a fin group, wherein the heat dissipation body is provided with a plurality of heat dissipation fins which are arranged at intervals, and the end surface of the heat dissipation body deviating from the heat dissipation fins is arranged as a heat conduction surface which is contacted with a heating body and is concavely provided with a straight groove and a U-shaped groove; the heat pipes comprise a first heat pipe and two second heat pipes, two straight pipes of the first heat pipe are respectively inserted into the straight grooves and penetrate into first through holes formed in the matching positions of the fin group, U-shaped pipes of the two second heat pipes are embedded in the matching U-shaped grooves, the straight pipes of the two second heat pipes are inserted into second through holes formed in the matching positions of the fin group, and the first heat pipe is matched with the two second heat pipes to enable the heat dissipation body to be connected with the fin group in a matching mode; the fin group is used for radiating heat transmitted by the heat pipe, and the two sides of the fin group in the width direction are also provided with buckles for fixedly mounting the fin group and the radiating device.

As a further elaboration of the above technical solution:

in the above technical scheme, the first heat pipe includes a first straight pipe, an arc-shaped connecting pipe and a second straight pipe, the first straight pipe, the arc-shaped connecting pipe and the second straight pipe are integrally formed, the first straight pipe is inserted into the straight groove, the second straight pipe is arranged in the first through hole in a penetrating manner, and the second straight pipe is tightly fitted with the first through hole; each second heat pipe all includes U-shaped pipe, first arc connecting pipe and third straight tube, U-shaped pipe, first arc connecting pipe and third straight tube integrated into one piece, the third straight tube is worn to locate in the second perforation, and the third straight tube still with the second perforation tight fit.

In the above technical solution, the heat conducting surface of the heat dissipating body is provided with a mounting hole slot which is connected with the heating element in a locking manner.

In the above technical scheme, the buckle is a U-shaped buckle.

In the above technical solution, the fin group includes a plurality of parallel heat dissipating fins arranged equidistantly, the first through holes and the second through holes are formed on the plurality of heat dissipating fins, and the plurality of heat dissipating fins are connected by tightly fitting the second straight tube with the first through holes and tightly fitting the third straight tube with the second through holes; the fin group comprises 35-40 scattering fins.

In the above technical solution, the heat dissipation body is an aluminum heat dissipation body, the heat pipe is a copper heat pipe, and the heat dissipation fins are aluminum fins.

The utility model has the advantages of simple structure, reasonable design and strong practicability; the heat conducting surface of the heat radiating body conducts heat of the heating body to the heat radiating body, and carries out first heat radiation through the heat radiating body, then carries out secondary heat conduction through conducting heat to the heat pipe, and carries out secondary heat radiation through the heat pipe, and then conducts heat to the fin group through the heat pipe to carry out tertiary heat conduction and carries out secondary heat radiation through the fin group; the utility model discloses a heat-conduction and heat dissipation many times improve the radiating efficiency, satisfy high heat-generating body heat dissipation demand.

Drawings

Fig. 1 is an axial view of the present invention;

fig. 2 is another axial view of the present invention.

FIG. 3 is a decomposition diagram of the present invention

In the figure, 1, a heat dissipation body, 101, heat dissipation fins, 102, a heat conduction surface, 103, straight grooves, 104, U-shaped grooves, 105, mounting hole grooves, 2, heat pipes, 21, first heat pipes, 22, second heat pipes, 211, first straight pipes, 212, arc-shaped connecting pipes, 213, second straight pipes, 221, U-shaped pipes, 222, first arc-shaped connecting pipes, 223, third straight pipes, 3, fin groups, 31, heat dissipation fins, 301, first through holes, 302, second through holes and 4, buckles.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Fig. 1 to 3 illustrate an embodiment of this embodiment, and referring to fig. 1 to 3, a heat sink with fins and heat pipes includes a heat sink body 1, heat pipes 2, and a fin group 3; the heat dissipation body 1 is an aluminum heat dissipation body, a plurality of heat dissipation fins 101 arranged at intervals are arranged on the heat dissipation body 1, and the end face of the heat dissipation body 1 departing from the heat dissipation fins 101 is arranged as a heat conduction surface 102 contacting with a heating element (CPU, electrical component) and is concavely provided with a straight groove 103 and a U-shaped groove 104; in this embodiment, the heat conducting surface 102 of the heat dissipating body 1 is provided with a mounting hole slot 105 that is locked and connected with the heating element; the heat pipes 2 are copper heat pipes, each heat pipe 2 comprises a first heat pipe 21 and two second heat pipes 22, two straight pipes of the first heat pipe 21 are respectively inserted into the straight grooves 103 and penetrate into first through holes 301 formed in matching positions of the fin group 3, U-shaped pipes 221 of the two second heat pipes 22 are embedded into the matched U-shaped grooves 104, straight pipes of the two second heat pipes 22 are inserted into second through holes 302 formed in matching positions of the fin group 3, and the first heat pipes 21 are matched with the two second heat pipes 22 to enable the heat dissipation body 1 to be connected with the fin group 3 in a matching mode; the fin group 3 is used for radiating heat transmitted by the heat pipe 2, the two sides of the fin group 3 in the width direction are also provided with buckles 4 for fixedly mounting the fin group 3 and the radiating device, and the buckles 4 are U-shaped buckles.

Referring to fig. 1 to 3, in this embodiment, the first heat pipe 21 includes a first straight pipe 211, an arc-shaped connecting pipe 212, and a second straight pipe 213, the first straight pipe 211, the arc-shaped connecting pipe 212, and the second straight pipe 213 are integrally formed, the first straight pipe 211 is inserted into the straight groove 103, the second straight pipe 213 is inserted into the first through hole 301, the second straight pipe 213 is further tightly fitted with the first through hole 301, and the second straight pipe 213 is tightly fitted with the first through hole 301, so as to ensure heat transfer and connect the heat dissipating fins 31 of the fin group 3; in this embodiment, each of the second heat pipes 22 includes the U-shaped pipe 221, the first arc-shaped connecting pipe 222, and a third straight pipe 223, the U-shaped pipe 221, the first arc-shaped connecting pipe 222, and the third straight pipe 223 are integrally formed, the third straight pipe 223 is inserted into the second through hole 302, and the third straight pipe 223 is further tightly fitted with the second through hole 302; the third straight pipe 223 is tightly fitted with the second through hole 302, and is used for ensuring heat transfer and connecting the heat dissipation fins 31 of the fin group 3; in fact, can be according to the actual demand, set up many heat pipes 2 in order to guarantee radiating efficiency, and, can set up the figure of first heat pipe 21 and second heat pipe 22 according to the demand, simultaneously, heat pipe 2 intussuseption is filled with heat conduction liquid, can be fast to fin group 3 the heat transfer that the heat-generating body produced, make each part of fin group 3 all participate in the heat dissipation, can carry out timely heat dissipation to the heat-generating body, improve radiating efficiency and radiating effect greatly, above-mentioned heat conduction liquid is the well-known technique that technical staff in the field should know, the rethread is no longer described here.

Referring to fig. 1 to 3, in this embodiment, the fin group 3 includes a plurality of parallel heat dissipation fins 31 arranged at equal intervals, the first through holes 301 and the second through holes 302 are formed on the plurality of heat dissipation fins 31, and the plurality of heat dissipation fins 31 are connected by tightly fitting the second straight pipe 213 with the first through holes 301 and tightly fitting the third straight pipe 223 with the second through holes 302; the fin group 3 comprises 35-40 scattering fins 31, and the radiating fins 31 are aluminum fins.

The utility model has simple structure, reasonable design and strong practicability; the heat conducting surface of the heat radiating body conducts heat of the heating body to the heat radiating body, and carries out first heat radiation through the heat radiating body, then carries out secondary heat conduction through conducting heat to the heat pipe, and carries out secondary heat radiation through the heat pipe, and then conducts heat to the fin group through the heat pipe to carry out tertiary heat conduction and carries out secondary heat radiation through the fin group; the utility model discloses a heat-conduction and heat dissipation many times improve the radiating efficiency, satisfy high heat-generating body heat dissipation demand.

The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A heat dissipation device with fins provided with heat pipes is characterized by comprising a heat dissipation body, the heat pipes and a fin group, wherein a plurality of heat dissipation fins which are arranged at intervals are arranged on the heat dissipation body; the heat pipes comprise a first heat pipe and two second heat pipes, two straight pipes of the first heat pipe are respectively inserted into the straight grooves and penetrate into first through holes formed in the matching positions of the fin group, U-shaped pipes of the two second heat pipes are embedded in the matching U-shaped grooves, the straight pipes of the two second heat pipes are inserted into second through holes formed in the matching positions of the fin group, and the first heat pipe is matched with the two second heat pipes to enable the heat dissipation body to be connected with the fin group in a matching mode; the fin group is used for radiating heat transmitted by the heat pipe, and the two sides of the fin group in the width direction are also provided with buckles for fixedly mounting the fin group and the radiating device.

2. The fin-type heat sink with heat pipes according to claim 1, wherein the first heat pipe comprises a first straight pipe, an arc-shaped connecting pipe and a second straight pipe, the first straight pipe, the arc-shaped connecting pipe and the second straight pipe are integrally formed, the first straight pipe is inserted into the straight groove, the second straight pipe is arranged in the first through hole in a penetrating manner, and the second straight pipe is tightly matched with the first through hole; each second heat pipe all includes U-shaped pipe, first arc connecting pipe and third straight tube, U-shaped pipe, first arc connecting pipe and third straight tube integrated into one piece, the third straight tube is worn to locate in the second perforation, and the third straight tube still with the second perforation tight fit.

3. A heat dissipating device with fins and heat pipes as claimed in claim 2, wherein the heat conducting surface of the heat dissipating body is provided with mounting holes for locking and connecting with the heat generating body.

4. A fin heat pipe radiator as claimed in claim 3 wherein said clip is a U-shaped clip.

5. The fin-and-tube heat dissipation device as defined in claim 4, wherein the fin set comprises a plurality of parallel fins arranged at equal intervals, the first through holes and the second through holes are formed on the plurality of fins, and the plurality of fins are connected by the close fit of the second straight tube with the first through holes and the close fit of the third straight tube with the second through holes; the fin group comprises 35-40 scattering fins.

6. The heat sink with heat pipe as claimed in any one of claims 1 to 5, wherein the heat sink body is an aluminum heat sink body, the heat pipe is a copper heat pipe, and the heat sink fins are aluminum fins.