A heat dissipation assembly structure for a computer

Abstract

This invention relates to the field of computer heat dissipation component technology, and particularly to a heat dissipation component structure for computers; it includes a base and two sets of heat-conducting components mounted thereon; each set of heat-conducting components consists of two U-shaped heat pipes, and each set of heat-conducting components is equipped with multiple fins, with a connection between the fins and the heat pipes; this invention, by making the fins and heat pipes detachable, and by placing a post-filled heat-conducting medium between the sleeve and the heat pipes, allows the heat dissipation component to be thoroughly cleaned by loosening the nuts after long-term use, and to replace only the damaged part when a single fin is damaged without scrapping the entire component. At the same time, by using the method of pressing with a conical surface and then injecting the heat-conducting medium, the air gap between the contact surfaces is eliminated while ensuring detachability, thus achieving a balance between maintainability and low contact thermal resistance.

Description

Technical Field

[0001] This invention relates to the field of computer heat dissipation components, and in particular to a heat dissipation component structure for computers. Background Technology

[0002] Computer components such as the Central Processing Unit (CPU) and Graphics Processing Unit (GPU) generate a significant amount of heat during operation. If this heat is not dissipated promptly, it can lead to overheating, affecting computing performance and even causing damage. Therefore, computer cooling systems typically employ cooling modules for heat conduction and exchange. A typical cooling module includes a heatsink base that contacts the heat-generating components, a heat pipe connected to the base at one end, and multiple cooling fins fitted onto the other end of the heat pipe. The heat pipe is a sealed metal tube containing a small amount of liquid. During operation, heat from the heat-generating components is transferred to the heat pipe via the base. The liquid inside the heat pipe evaporates into a gas, which flows to a cooler region where it condenses back into liquid, releasing heat. This rapidly transfers the heat to the fins, where a fan forces airflow over the fins to carry the heat away.

[0003] In existing technologies, there are two main ways to combine heat sink fins and heat pipes: one is through-fin technology, which involves creating holes in the fins slightly smaller than the outer diameter of the heat pipe, forcibly inserting the heat pipe, and then using tube expansion to create an interference fit between the heat pipe and the fin hole wall; the other is reflow soldering or soldering, which involves filling the contact area between the heat pipe and the fin with solder, heating it to melt and solidify the solder, and then cooling it to firmly connect the heat pipe and the fin together. Regardless of the method used, the heat pipe and fin are permanently fixed as a non-removable unit.

[0004] However, the following problems exist in the current use of this heat dissipation module: 1. The gap between the heat dissipation fins is very narrow and is penetrated by heat pipes. After long-term use, dust and oil in the air will accumulate on the surface of the fins and at the joint between the heat pipes and the fins, forming sludge that is difficult to remove. Since the heat pipes and fins cannot be separated, users cannot remove the fins one by one for cleaning. Even if a high-pressure air gun is used, it can only blow away the surface dust. The deep oily dust and the dead corner dust on the back side of the heat pipes cannot be effectively removed, resulting in the heat dissipation performance declining year by year and the fan noise increasing.

[0005] 2. During use, the heat dissipation fins may be deformed or damaged due to accidental collisions, long-term corrosion, or improper human operation. Since all fins are permanently fixed to the heat pipes by fin-through or welding processes, a single damaged fin cannot be removed and replaced individually. The entire heat dissipation module must be scrapped, resulting in high maintenance costs and unnecessary waste of resources.

[0006] Therefore, there is an urgent need to provide a new type of heat dissipation component structure that can achieve detachable cleaning of fins, individual replacement of damaged fins, and maintain good thermal conductivity after disassembly. This is a technical problem that needs to be solved by those skilled in the art. Summary of the Invention

[0007] In view of the above problems, the present invention provides a heat dissipation component structure for a computer to solve the aforementioned technical problems.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a heat dissipation component structure for a computer, comprising a base and two sets of heat-conducting components mounted thereon; each set of heat-conducting components consists of two heat pipes with U-shaped structures, and multiple fins are mounted on each set of heat-conducting components, with a connecting part provided between the fins and the heat pipes.

[0009] The connection part includes a limiting tube fixedly installed at the lower part of the two vertical sections of the heat pipe. Each fin has a through hole that corresponds to the upper end of the two heat pipes in the same group. A sleeve is installed in the through hole and is fitted onto the heat pipe. A stud is fixedly installed at the end of each heat pipe. A liquid injection hole is opened on the stud. A nut is installed on the stud and a sealing gasket is provided at the lower end of the nut.

[0010] Both the sleeve and the limiting tube have a T-shaped structure. The upper end of the sleeve and the limiting tube has an inwardly turned conical structure to form an upper conical surface, and the lower end has a constricted conical structure to form a lower conical surface.

[0011] During assembly, the fins are inserted into the heat pipe sequentially, with adjacent sleeves interlocking and abutting against each other. The bottom sleeve is then interlocked with the limiting tube to form a bottom limit. The sealing gasket is placed on the stud, and the nut is tightened so that the sealing gasket presses against the upper end of the last sleeve, thereby pressing all the fins together and forming a seal. Then, the heat-conducting medium is injected under pressure through the injection hole to fill the gap between the sleeve and the heat pipe. During disassembly, the nuts are unscrewed to remove each fin sequentially for cleaning or individual replacement.

[0012] As a preferred embodiment, a support portion is provided between the heat pipe and the base. The support portion includes a support plate. The support plate is fixedly installed on two limiting tubes on the same heat pipe. A pipe is connected to the limiting tube and moves through the support plate. A pair of support columns are fixedly installed between the lower end of the support plate and the base.

[0013] As a preferred embodiment, the middle part of the sleeve is cylindrical, with its inner diameter being larger than the outer diameter of the heat pipe, forming an annular gap between the two.

[0014] As a preferred embodiment, the thermally conductive medium is thermally conductive silicone grease, which is injected under pressure through the injection port after the fins are locked to fill the annular gap between the heat pipe and the sleeve.

[0015] As a preferred embodiment, the injection hole is a blind hole extending along the axial direction of the stud, and the side wall of the stud has an outlet that communicates with the blind hole.

[0016] As a preferred embodiment, the injection hole and the pipeline are sealed by screwing in a plug after the heat-conducting medium is injected.

[0017] As a preferred embodiment, the sleeve and the fin are fixedly connected by welding.

[0018] The above-mentioned one or more technical solutions in the embodiments of the present invention have at least one of the following technical effects: First, the present invention sets the fins and heat pipes as detachable structures and sets a heat-conducting medium filled between the sleeve and the heat pipe, so that the heat dissipation component can be thoroughly cleaned by loosening the nut after long-term use, and only the damaged part can be replaced when a single fin is damaged without scrapping the entire component. At the same time, by using the method of injecting heat-conducting medium after clamping with a conical surface, the air gap between the contact surfaces is eliminated while ensuring detachability, thus achieving a balance between maintainability and low contact thermal resistance.

[0019] Second, this invention uses the threaded engagement of the nut and the stud, as well as the sequential transmission of axial pressure between adjacent sleeves and between the sleeve and the limiting tube via the insertion of the upper and lower conical surfaces, so that all fins can be tightened or loosened as a whole by simply tightening a single nut. This allows each fin to be removed and cleaned individually without the aid of special tools, effectively solving the problem of deep dust accumulation and declining heat dissipation performance caused by the permanent fixing of heat pipes and fins in existing heat dissipation modules.

[0020] Third, this invention fixes the sleeve to the fins and sequentially inserts multiple fins onto the heat pipe, making each fin independent and allowing them to be removed one by one by loosening the nut. When a single fin is damaged due to collision or corrosion, the entire heat dissipation assembly does not need to be scrapped. Only the damaged fin needs to be removed and replaced with a new fin of the same model to restore its use, which greatly reduces maintenance costs and reduces the waste of resources caused by the overall scrapping due to partial damage.

[0021] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the structure between the heat pipe and the base of the present invention; Figure 3 for Figure 2 Enlarged view of the structure at point A in the image; Figure 4 This is a schematic diagram of the structure between the nut and the stud of the present invention; Figure 5 This is a schematic diagram of the structure between the sleeve and the fins of the present invention; Figure 6 This is a partial structural cross-sectional view of the connecting part of the present invention; Figure 7 for Figure 6 Enlarged view of the structure at point B in the middle.

[0024] Reference numerals: 10, base; 11, heat pipe; 12, fin; 2, connection part; 20, limiting tube; 200, pipe; 21, sleeve; 22, stud; 220, injection hole; 23, nut; 24, sealing gasket; 3, support part; 30, support plate; 31, support column. Detailed Implementation

[0025] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of the present invention. However, the present invention can be practiced in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] like Figure 1 , Figure 2 and Figure 4 As shown, a heat dissipation component structure for a computer includes a base 10 and two sets of heat-conducting components symmetrically fixed on it; each set of heat-conducting components consists of two U-shaped heat pipes 11, and each set of heat-conducting components is equipped with multiple fins 12, with a connecting part 2 between the fins 12 and the heat pipes 11.

[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the connecting part 2 includes a limiting tube 20 fixedly installed at the lower part of two vertical sections of the heat pipe 11. Each fin 12 has a through hole corresponding to the upper end of the two heat pipes 11 in the same group. A sleeve 21 is provided in the through hole and is sleeved on the heat pipe 11. A stud 22 is fixedly installed at the end of each heat pipe 11. A liquid injection hole 220 is provided on the stud 22. A nut 23 is installed on the stud 22. A sealing gasket 24 is provided at the lower end of the nut 23.

[0028] like Figure 6 and Figure 7 As shown, both the sleeve 21 and the limiting tube 20 have a T-shaped structure. The upper end of the sleeve 21 and the limiting tube 20 has an inwardly turned conical structure to form an upper conical surface, and the lower end has a constricted conical structure to form a lower conical surface.

[0029] like Figure 7 As shown, the middle part of the sleeve 21 is cylindrical, and its inner diameter is larger than the outer diameter of the heat pipe 11, forming an annular gap between the two.

[0030] like Figure 6 and Figure 7 As shown, the thermally conductive medium is thermally conductive silicone grease, which is injected under pressure through the injection port after the fins 12 are locked to fill the annular gap between the heat pipe 11 and the sleeve 21.

[0031] like Figure 5 and Figure 7 As shown, the sleeve 21 and the fin 12 are fixedly connected by welding.

[0032] like Figures 1 to 7 As shown, during assembly, the limiting tube 20 is first fixedly installed at the lower part of the two vertical sections of the heat pipe 11 as the positioning reference for the bottommost fin 12. Then, multiple fins 12 are sequentially inserted into the heat pipe 11, so that the sleeve 21 on each fin 12 is fitted onto the outside of the heat pipe 11, and the sleeves 21 of adjacent fins 12 abut against each other through the insertion and engagement of the lower conical surface and the upper conical surface. Since the upper end of the limiting tube 20 is also provided with an upper conical surface, the lower conical surface of the sleeve 21 of the bottommost fin 12 is inserted and engaged with the upper conical surface of the limiting tube 20 to form a bottom limiting.

[0033] After all the fins 12 are inserted into place, the sealing gasket 24 is fitted onto the stud 22, and then the nut 23 is installed on the stud 22 and tightened. The nut 23 presses down on the sealing gasket 24, and the sealing gasket 24 presses against the upper end of the last sleeve 21. Through the sequential transmission of the conical surface fit between each sleeve 21, all the fins 12 are pressed axially. Under the action of axial locking force, a tight metal contact is generated between the conical surfaces of adjacent sleeves 21, and the conical surface fit forms the first seal. At the same time, due to the self-locking characteristic of the conical surface structure, the axial pressure causes the conical surface to undergo elastic deformation, further eliminating the gaps caused by the micro-unevenness of the metal surface. In addition, thermally conductive adhesive can be added between the two sleeves 21 to improve the sealing performance, thereby preventing the thermally conductive grease from leaking outward from the conical surface connection during the injection process.

[0034] After the fins 12 are pressed, thermal grease is injected into the sleeve 21 under pressure through the injection hole 220. Under pressure, the thermal grease enters the annular gap between the sleeve 21 and the heat pipe 11 and fills the internal space of all sleeves 21 in sequence along the annular gap. During the filling process, the pressure of the thermal grease acts on the conical mating area, making the conical surfaces fit more tightly and forming a pressure-assisted seal, further ensuring that the thermal grease will not leak from the conical connection until the thermal grease fills all annular gaps.

[0035] During use, the heat from the heating element is transferred to the heat pipe 11 via the base 10. The heat pipe 11 then conducts the heat to the fins 12. The thermal grease filling the annular gap eliminates the air gap between the heat pipe 11 and the sleeve 21, ensuring the continuity of heat transfer. When it is necessary to clean the fins 12 or replace a single damaged fin 12, simply loosen and remove the nut 23 to remove the fins 12 from the heat pipe 11 one by one. After cleaning or replacement, reassemble and inject thermal grease according to the above steps. There is no need to scrap the entire heat dissipation assembly.

[0036] like Figure 1 and Figure 2 As shown, a support part 3 is provided between the heat pipe 11 and the base 10. The support part 3 includes a support plate 30. The support plate 30 is fixedly installed on two limiting tubes 20 on the same heat pipe 11. A pipe 200 is connected to the limiting tube 20. The pipe 200 movably passes through the support plate 30. A pair of support columns 31 are fixedly installed between the lower end of the support plate 30 and the base 10.

[0037] like Figure 4 and Figure 6 As shown, the injection hole 220 is a blind hole extending along the axial direction of the stud 22, and the side wall of the stud 22 is provided with an outlet that communicates with the blind hole.

[0038] like Figure 3 and Figure 6As shown, the injection hole 220 and the pipe 200 are sealed by screwing in a plug after the heat-conducting medium is injected.

[0039] like Figures 1 to 7 As shown, during actual operation, the support plate 30 is fixedly connected to the base 10 by the support column 31, so that a stable relative position relationship is formed between the lower end of the heat pipe 11 and the base 10, preventing the heat pipe 11 from shifting during assembly or use; on the other hand, the support plate 30 is fixedly installed on the limiting tube 20, providing bottom support for the limiting tube 20 and the fin 12 group above it.

[0040] After the fins 12 are pressed, the external injection device is connected to the injection hole 220 and pressure is applied. Under pressure, the thermal grease enters the outlet through the blind hole, flows out from the outlet and enters the annular gap between the sleeve 21 and the heat pipe 11, and fills the internal space of all sleeves 21 in sequence along the annular gap. As the thermal grease is continuously injected, it reaches the channel connecting the limiting tube 20 and the pipe 200, and overflows evenly and orderly from the end of the pipe 200. When it is observed that the thermal grease overflows evenly and continuously from the end of the pipe 200, it indicates that all annular gaps and the inside of the pipe 200 have been completely filled, and the injection is stopped at this time.

[0041] After injection, use screw plugs to seal the injection hole 220 and the end of the pipe 200 respectively, sealing the thermal grease inside the heat dissipation component to prevent leakage due to vibration or thermal cycling during use.

[0042] In the description of this invention, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this invention; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0043] Furthermore, the terms "first," "second," "number one," and "number two" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "number one," or "number two" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0044] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "connected," "installed," and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0045] The embodiments described herein are preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A heat dissipation component structure for a computer, comprising a base and two sets of heat-conducting components mounted thereon; characterized in that: Each heat conduction assembly consists of two U-shaped heat pipes, and each heat conduction assembly is equipped with multiple fins, with a connection between the fins and the heat pipes; The connecting part includes a limiting tube fixedly installed at the lower part of two vertical sections of the heat pipe. Each fin has a through hole corresponding to the upper end of the two heat pipes in the same group. A sleeve is installed in the through hole and is fitted onto the heat pipe. A stud is fixedly installed at the end of each heat pipe. A liquid injection hole is opened on the stud. A nut is installed on the stud and a sealing gasket is provided at the lower end of the nut. Both the sleeve and the limiting tube have a T-shaped structure. The upper end of the sleeve and the limiting tube has an inwardly flanged conical structure to form an upper conical surface, and the lower end has a constricted conical structure to form a lower conical surface. The middle part of the sleeve is cylindrical, with its inner diameter being larger than the outer diameter of the heat pipe, forming an annular gap between the two. The thermally conductive medium is thermally conductive silicone grease, which is injected under pressure through the injection port after the fins are locked to fill the annular gap between the heat pipe and the sleeve. During assembly, the fins are inserted into the heat pipe sequentially, with adjacent sleeves interlocking and abutting against each other. The bottom sleeve is then interlocked with the limiting tube to form a bottom limit. The sealing gasket is placed on the stud, and the nut is tightened so that the sealing gasket presses against the upper end of the last sleeve, thereby pressing all the fins together and forming a seal. Then, the heat-conducting medium is injected under pressure through the injection hole to fill the gap between the sleeve and the heat pipe. During disassembly, the nuts are unscrewed to remove each fin sequentially for cleaning or individual replacement.

2. The heat dissipation component structure for a computer according to claim 1, characterized in that: A support part is provided between the heat pipe and the base. The support part includes a support plate. The support plate is fixedly installed on two limiting tubes on the same heat pipe. A pipe is connected to the limiting tube and moves through the support plate. A pair of support columns are fixedly installed between the lower end of the support plate and the base.

3. The heat dissipation component structure for a computer according to claim 1, characterized in that: The injection hole is a blind hole extending along the axial direction of the stud, and the side wall of the stud has an outlet that communicates with the blind hole.

4. The heat dissipation component structure for a computer according to claim 2, characterized in that: The injection hole and the pipeline are sealed by screwing in a plug after the heat-conducting medium is injected.

5. The heat dissipation component structure for a computer according to claim 1, characterized in that: The sleeve and the fin are fixedly connected by welding.

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