Liquid cooling heat dissipation device with stable structure

The liquid cooling heat dissipation device addresses poor sealing and unstable connections by using parallel support blocks and riveted heat sinks with enhanced sealing, ensuring effective heat dissipation and prolonged product life.

CN222263480UActive Publication Date: 2024-12-27李振彬
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Patent Information

Application Number
CN202420984912.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-08
Publication Date
2024-12-27
Estimated Expiration
2034-05-08

AI Technical Summary

Technical Problem

Current liquid cooling heat dissipation devices suffer from poor sealing and unstable connections between support blocks and heat sinks, leading to coolant leakage and loosening, which affects heat dissipation efficiency and product quality.

Method used

A structurally stable liquid cooling heat dissipation device with parallel support blocks, riveted heat sinks, and enhanced sealing through friction welding and riveting grooves, ensuring precise contact and preventing coolant leakage.

Benefits of technology

Enhances the sealing and stability of the connection between support blocks and heat sinks, preventing coolant leakage and loosening, thereby improving heat dissipation effectiveness and extending product life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a liquid cooling heat dissipation device with a stable structure. The liquid cooling heat dissipation device comprises two supporting blocks and a plurality of heat dissipation pieces, the two supporting blocks are arranged in parallel in a spaced mode, the through holes in the two supporting blocks correspond to each other in a one-to-one mode, the water inlet and the water outlet are formed in the outer side wall of one supporting block and communicate with the first containing cavity, and the multiple heat dissipation pieces are transversely arranged between the two supporting blocks in a matched mode; according to the liquid cooling heat dissipation device, the two ends of the heat dissipation piece body are arranged in the corresponding through holes respectively and riveted with the corresponding supporting blocks, the first containing cavity and the second containing cavity are communicated through the through holes, the sealing performance of the connecting structure of the supporting blocks and the heat dissipation piece can be effectively enhanced, the riveting structure enables the supporting blocks and the heat dissipation piece to be in precise contact, and the sealing performance of the heat dissipation piece is improved. A gap is avoided, so that the phenomenon that cooling liquid flows out is avoided; and the stability of the connecting structure between the supporting block and the heat dissipation piece is effectively enhanced, the heat dissipation piece cannot be loosened, the product quality is improved, the service life is prolonged, and the existing requirements are met.
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Description

Technical Field

[0001] The utility model relates to the field of heat dissipation devices, in particular to a liquid cooling heat dissipation device with a stable structure. Background Art

[0002] With the continuous development of social science and technology, more and more mechanical equipment are manufactured and widely used in agriculture, industry and service industries. While these mechanical equipment provide convenience for people's production and life, they will continue to generate heat in the process of energy conversion. In order to ensure the normal operation of these mechanical equipment, first of all, it is necessary to solve their heat dissipation problem, especially in some high-power mechanical equipment. As the working efficiency of mechanical equipment continues to improve, and the number of surrounding electronic components continues to increase, the overall heat generation of mechanical equipment also increases significantly. At this time, a heat dissipation device is needed to dissipate the heat.

[0003] The current liquid cooling heat dissipation device generally includes a structure of two support blocks and multiple heat sinks. Each support block is provided with multiple through holes, and the two ends of the multiple heat sinks are directly installed with the through holes on the corresponding support blocks. Although this heat dissipation device has a simple structure, the sealing performance of the connection structure between the support block and the heat sink is not good, and there is a gap between the support block and the heat sink, which easily causes the coolant to flow out; and the connection structure between the support block and the heat sink is not stable enough, and the heat sink is easy to loosen, affecting the heat dissipation effect of the product. The product has poor quality and a short service life, which brings inconvenience to users and cannot meet existing needs. Therefore, it is necessary to study a new technical solution to improve the current liquid cooling heat dissipation device. Utility Model Content

[0004] In view of this, the utility model aims to improve the deficiencies of the prior art, and its main purpose is to provide a liquid-cooled heat dissipation device with a stable structure, which can effectively solve the problems of the prior liquid-cooled heat dissipation device, such as poor sealing of the connection structure between the support block and the heat sink, gaps between the support block and the heat sink that easily lead to coolant leakage, unstable connection structure between the support block and the heat sink, and easy loosening of the heat sink, which affects the heat dissipation effect of the product, poor product quality, and short service life.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A structurally stable liquid cooling heat dissipation device, comprising two support blocks and a plurality of heat dissipation elements; the two support blocks are arranged in parallel and at intervals, a first accommodating chamber for the flow of cooling liquid is arranged inside each support block, a plurality of through holes arranged at intervals are arranged on the inner side wall of each support block, the plurality of through holes are connected to the first accommodating chamber, the through holes on the two support blocks correspond to each other one by one, a water inlet and a water outlet are arranged on the outer side wall of one support block, the water inlet and the water outlet are connected to the first accommodating chamber; the plurality of heat dissipation elements are arranged horizontally between the two support blocks, each heat dissipation element comprises a heat dissipation element main body and a plurality of heat dissipation fins extending outward from the heat dissipation element main body, two ends of the heat dissipation element main body are respectively arranged in corresponding through holes and riveted to corresponding support blocks, a second accommodating chamber for the flow of cooling liquid is formed through the interior of the heat dissipation element main body, and two ends of the second accommodating chamber are respectively connected to corresponding through holes.

[0007] As a preferred solution, the support block is provided with a plurality of riveting grooves, the number of which is equal to the number of through holes, the plurality of riveting grooves are respectively arranged on the periphery of the corresponding through holes, and the plurality of riveting grooves are all connected to the first accommodating cavity, the two ends of the heat sink body are respectively embedded in the corresponding through holes and riveted with the corresponding support blocks to form riveting protrusions, and the riveting protrusions are arranged in the riveting grooves for matching and fixing, thereby effectively enhancing the stability of the connection structure between the support block and the heat sink, improving the quality of the product, having a simple structure, and being convenient and quick to produce.

[0008] As a preferred solution, the heat sink body is a tubular structure, and correspondingly, the through hole is circular.

[0009] As a preferred solution, the plurality of heat sinks are evenly spaced along the circumference of the heat sink body, which effectively increases the contact area between the heat sink and the external air, and is conducive to better heat dissipation.

[0010] As a preferred solution, a plurality of heat dissipation protrusions extend inwardly from the wall surface of the second accommodating cavity, which effectively increases the contact area between the heat dissipation element and the coolant, thereby facilitating better heat dissipation.

[0011] As a preferred solution, the support block includes a support block body and a cover plate, the support block body has the above-mentioned first accommodating cavity and a plurality of through holes arranged at intervals, the cover plate is adapted to the support block body and covers the opening of the first accommodating cavity, the cover plate and the support block body are connected together by friction welding, so that the sealing performance of the connection structure between the cover plate and the support block body is better and has an explosion-proof function, and the above-mentioned water inlet and outlet are arranged on the outer wall of one of the cover plates.

[0012] As a preferred solution, a positioning groove is provided on the side of the cover plate, and a positioning protrusion is provided on the opening of the first accommodating cavity. The positioning protrusion is arranged in the positioning groove and cooperates with the positioning groove for positioning, which effectively enhances the stability of the connecting structure. The coordination of the positioning protrusion and the positioning groove is conducive to realizing the fool-proof function in production assembly, and the product will not be installed incorrectly. The operation is simple, which brings convenience to production.

[0013] As a preferred solution, two fixing members are further provided, and the two fixing members are transversely arranged between the two supporting blocks, which is beneficial to enhancing the stability of the structure, making the product more durable and extending the service life of the product. The above-mentioned multiple heat dissipation members are located between the two fixing members.

[0014] As a preferred solution, a mounting groove is provided on the outer side wall of each fixing member.

[0015] As a preferred solution, a water inlet is further provided, which is arranged on the outer side wall of the support block and communicated with the first accommodating cavity, and the water inlet is located between the water inlet and the water outlet.

[0016] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0017] By arranging two support blocks in parallel and at intervals, the through holes on the two support blocks correspond to each other one by one, and a water inlet and a water outlet are arranged on the outer wall of one of the support blocks, and the water inlet and the water outlet are both connected to the first accommodating chamber, and a plurality of heat sinks are arranged horizontally between the two support blocks, and the two ends of the heat sink body are respectively arranged in the corresponding through holes and riveted with the corresponding support blocks, and the first accommodating chamber is connected with the second accommodating chamber through the through holes. The liquid-cooled heat dissipation device of this structure can effectively enhance the sealing of the connection structure between the support block and the heat sink, and the riveted structure makes the contact between the support block and the heat sink precise, and there will be no gap and thus no coolant outflow; and it can effectively enhance the stability of the connection structure between the support block and the heat sink, and the heat sink will not loosen, thereby ensuring the heat dissipation effect of the product, improving the quality of the product, extending the service life, bringing convenience to users, and meeting existing needs.

[0018] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a preferred embodiment of the utility model;

[0020] Figure 2 It is an exploded view of a preferred embodiment of the utility model;

[0021] Figure 3 It is a cross-sectional view of a preferred embodiment of the utility model;

[0022] Figure 4 yes Figure 3 A magnified schematic diagram of the position A in the middle;

[0023] Figure 5 It is a three-dimensional structural schematic diagram of a heat sink in a preferred embodiment of the utility model;

[0024] Figure 6 It is a side view of a preferred embodiment of the utility model.

[0025] Description of the accompanying drawings:

[0026] 10. Support block 11. Support block body

[0027] 111, positioning protrusion 12, cover plate

[0028] 121, positioning groove 101, first accommodating cavity

[0029] 102, through hole 103, riveting groove

[0030] 20. heat sink 21. heat sink body

[0031] 211, riveting protrusion 22, heat sink

[0032] 23. Heat dissipation protrusion 201, second accommodation cavity

[0033] 31. Water inlet 32. Water outlet

[0034] 40. Fixing piece 41. Mounting slot

[0035] 50. Water filling port. DETAILED DESCRIPTION

[0036] Please refer to Figures 1 to 6 As shown, it shows the specific structure of a preferred embodiment of the utility model, including two support blocks 10 and a plurality of heat sinks 20.

[0037] The two support blocks 10 are arranged in parallel and at intervals, and a first accommodating chamber 101 for the flow of coolant is arranged inside each support block 10, and a plurality of through holes 102 arranged at intervals are arranged on the inner side wall of each support block 10, and the plurality of through holes 102 are all connected to the first accommodating chamber 101. The through holes 102 on the two support blocks 10 correspond to each other one by one, and a water inlet 31 and a water outlet 32 ​​are arranged on the outer side wall of one of the support blocks 10, and the water inlet 31 and the water outlet 32 ​​are both connected to the first accommodating chamber 101.

[0038] In this embodiment, the through hole 102 is circular; the support block 10 includes a support block body 11 and a cover plate 12, the support block body 11 has the above-mentioned first accommodating cavity 101 and a plurality of through holes 102 arranged at intervals, the cover plate 12 is adapted to the support block body 11 and covers the opening of the first accommodating cavity 101, the cover plate 12 and the support block body 11 are connected together by friction welding, so that the sealing performance of the connection structure between the cover plate 12 and the support block body 11 is better, and it has an explosion-proof function, the above-mentioned water inlet 31 and the water outlet 32 ​​are arranged on the outer side wall of one of the cover plates 12; the side of the cover plate 12 is provided with a positioning groove 121, the A positioning protrusion 111 is provided on the opening of the first accommodating cavity 101, and the positioning protrusion 111 is arranged in the positioning groove 121 and cooperates with the positioning groove 121 for positioning, which effectively enhances the stability of the connecting structure. The cooperation between the positioning protrusion 111 and the positioning groove 121 is conducive to realizing the fool-proof function in production assembly, and the product will not be installed incorrectly. The operation is simple, which brings convenience to production; a plurality of riveting grooves 103 are provided on the support block 10, and the number of the riveting grooves 103 is equal to the number of the through holes 102. The plurality of riveting grooves 103 are respectively arranged on the periphery of the corresponding through holes 102, and the plurality of riveting grooves 103 are all connected to the first accommodating cavity 101.

[0039] The plurality of heat sinks 20 are laterally arranged between the two support blocks 10, and each heat sink 20 includes a heat sink body 21 and a plurality of heat sink fins 22 extending outward from the heat sink body 21. The two ends of the heat sink body 21 are respectively arranged in the corresponding through holes 102 and riveted with the corresponding support blocks 10. The riveting arrangement effectively enhances the stability of the connection structure between the support blocks 10 and the heat sink 20, improves the quality of the product, and prolongs the service life of the product. A second accommodating chamber 201 for the flow of coolant is formed through the interior of the heat sink body 21, and the two ends of the second accommodating chamber 201 are respectively connected with the corresponding through holes 102.

[0040] In this embodiment, the two ends of the heat sink body 21 are respectively embedded in the corresponding through holes 102 and riveted with the corresponding support block 10 to form a riveting protrusion 211, and the riveting protrusion 211 is arranged in the riveting groove 103 for cooperation and fixation, which effectively enhances the stability of the connection structure between the support block 10 and the heat sink 20, improves the quality of the product, has a simple structure, and is convenient and fast to produce; the heat sink body 21 is a tubular structure; the multiple heat sinks 22 are evenly arranged along the circumference of the heat sink body 21, effectively increasing the contact area between the heat sink 20 and the external air, which is conducive to better heat dissipation; the wall surface of the second accommodating cavity 201 extends inward with multiple heat dissipation protrusions 23, which effectively increases the contact area between the heat sink 20 and the coolant, which is conducive to better heat dissipation.

[0041] Two fixing members 40 are further provided, and the two fixing members 40 are transversely arranged between the two support blocks 10, which is beneficial to enhancing the stability of the structure, making the product more sturdy and durable, and extending the service life of the product. The above-mentioned multiple heat dissipation members 20 are located between the two fixing members 40; specifically, an installation groove 41 is provided on the outer wall of each fixing member 40, and the installation groove 41 can be used to install the LED light strip to increase the decorative effect of the product; a water inlet 50 is further provided, and the water inlet 50 is arranged on the outer wall of the support block 10 and is connected to the first accommodating cavity 101, and the water inlet 50 is located between the water inlet 31 and the water outlet 32, and the water inlet 50 can be used to assist in adding coolant to the heat dissipation device, bringing convenience to the user.

[0042] The manufacturing and assembly process and working principle of this embodiment are described in detail as follows:

[0043] First, two support block bodies 11, multiple heat sinks 20, two fixing members 40, a cover plate 12, and a cover plate 12 having a water inlet 31, a water outlet 32, and a water inlet 50 are formed; then, the two ends of the multiple heat sinks 20 are respectively installed in the through holes 102 of the corresponding support block bodies 11 and put into a riveting machine for riveting operation, so that the riveting protrusion 211 is set in the riveting groove 103; then, the two fixing members 40 are horizontally arranged between the two support blocks 10; finally, a cover plate 12, a cover plate 12 having a water inlet 31, a water outlet 32, and a water inlet 50 are respectively installed in the openings of the first accommodating cavity 101 of the corresponding support block body 11, the positioning protrusion 111 is installed in the positioning groove 121, and then friction welding is used for connection.

[0044] Working principle: low-temperature coolant flows in from the water inlet 31, circulates in the first accommodating chamber 101 and the second accommodating chamber 201, and then flows out from the water outlet 32. The low-temperature coolant exchanges heat with the heat sink 20 to reduce the temperature of the heat sink 20, thereby reducing the operating temperature of the equipment; the multiple heat sinks 22 on the heat sink 20 can quickly dissipate its own heat. The multiple heat sinks 22 are evenly arranged along the circumference of the heat sink body 21, which can effectively increase the contact area between the heat sink 20 and the external air, which is conducive to better heat dissipation; the wall surface of the second accommodating chamber 201 extends inward with multiple heat dissipation protrusions 23, which can effectively increase the contact area between the heat sink 20 and the coolant, which is conducive to better heat dissipation.

[0045] The design focus of this utility model is:

[0046] By arranging two support blocks in parallel and at intervals, the through holes on the two support blocks correspond to each other one by one, and a water inlet and a water outlet are arranged on the outer wall of one of the support blocks, and the water inlet and the water outlet are both connected to the first accommodating chamber, and a plurality of heat sinks are arranged horizontally between the two support blocks, and the two ends of the heat sink body are respectively arranged in the corresponding through holes and riveted with the corresponding support blocks, and the first accommodating chamber is connected with the second accommodating chamber through the through holes. The liquid-cooled heat dissipation device of this structure can effectively enhance the sealing of the connection structure between the support block and the heat sink, and the riveted structure makes the contact between the support block and the heat sink precise, and there will be no gap and thus no coolant outflow; and it can effectively enhance the stability of the connection structure between the support block and the heat sink, and the heat sink will not loosen, thereby ensuring the heat dissipation effect of the product, improving the quality of the product, extending the service life, bringing convenience to users, and meeting existing needs.

[0047] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A structurally stable liquid cooling device, characterized in that: The invention comprises two support blocks and a plurality of heat sinks; the two support blocks are arranged in parallel and at intervals, a first accommodating chamber for the flow of coolant is arranged inside each support block, a plurality of through holes arranged at intervals are arranged on the inner side wall of each support block, the plurality of through holes are communicated with the first accommodating chamber, the through holes on the two support blocks correspond to each other one by one, a water inlet and a water outlet are arranged on the outer side wall of one support block, the water inlet and the water outlet are communicated with the first accommodating chamber; the plurality of heat sinks are arranged transversely between the two support blocks, each heat sink comprises a heat sink body and a plurality of heat sinks extending outward from the heat sink body, two ends of the heat sink body are respectively arranged in corresponding through holes and riveted with corresponding support blocks, a second accommodating chamber for the flow of coolant is formed inside the heat sink body, and two ends of the second accommodating chamber are respectively communicated with corresponding through holes.

2. The structurally stable liquid cooling device according to claim 1, characterized in that: The support block is provided with a plurality of riveting grooves, the number of which is equal to the number of through holes, and the plurality of riveting grooves are respectively arranged on the periphery of the corresponding through holes, and the plurality of riveting grooves are all connected to the first accommodating cavity, and the two ends of the heat sink body are respectively embedded in the corresponding through holes and riveted with the corresponding support block to form a riveting protrusion, and the riveting protrusion is arranged in the riveting groove for cooperation and fixation.

3. The structurally stable liquid cooling device according to claim 1, characterized in that: The heat sink body is a tubular structure, and correspondingly, the through hole is circular.

4. The structurally stable liquid cooling device according to claim 3, characterized in that: The plurality of heat sinks are evenly spaced and arranged along the circumference of the heat sink body.

5. The structurally stable liquid cooling device according to claim 1, characterized in that: A plurality of heat dissipation protrusions extend inwardly from the wall surface of the second accommodating cavity.

6. The structurally stable liquid cooling device according to claim 1, characterized in that: The support block includes a support block body and a cover plate, the support block body has the above-mentioned first accommodating cavity and a plurality of through holes arranged at intervals, the cover plate is adapted to the support block body and covers the opening of the first accommodating cavity, the cover plate and the support block body are connected together by friction welding, and the above-mentioned water inlet and water outlet are arranged on the outer side wall of one of the cover plates.

7. The structurally stable liquid cooling device according to claim 6, characterized in that: A positioning groove is arranged on the side of the cover plate, and a positioning protrusion is arranged on the opening of the first accommodating cavity. The positioning protrusion is arranged in the positioning groove and cooperates with the positioning groove for positioning.

8. The structurally stable liquid cooling device according to claim 1, characterized in that: Two fixing members are further provided, and the two fixing members are transversely arranged between the two supporting blocks, and the plurality of heat dissipating members are located between the two fixing members.

9. The structurally stable liquid cooling device according to claim 8, characterized in that: An installation groove is arranged on the outer side wall of each fixing member.

10. The structurally stable liquid cooling device according to claim 1, characterized in that: A water inlet is further provided, which is arranged on the outer side wall of the support block and communicated with the first accommodating cavity, and the water inlet is located between the water inlet and the water outlet.