Water-cooling radiator for computer CPU (Central Processing Unit)

Abstract

The utility model belongs to the technical field of computer water-cooling radiators, and particularly relates to a computer CPU (central processing unit) water-cooling radiator which is internally provided with filter materials and comprises radiating fins, an upper water chamber connected to one ends of the radiating fins and a lower water chamber connected to the other ends of the radiating fins. According to the device, on the basis that external devices and refrigerant connectors are not added and the structure of the water-cooling radiator is not changed, filter materials are added into the liquid inlet chamber, the liquid outlet chamber and the lower water chamber, in-situ filtration is conducted on refrigerants, self-cleaning of the micro water channel of the water-cooling head is achieved, and the self-cleaning effect of the micro water channel of the water-cooling head is improved. The heat exchange efficiency of the whole water-cooling system is ensured, and the service life of the water-cooling radiator is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of computer water-cooling radiators, in particular to a computer CPU water-cooling radiator. Background Art

[0002] A computer is an electronic device used for high-speed computing. It plays a vital role in data processing and management, network communications, scientific research and engineering computing, automation and process control, entertainment and multimedia, artificial intelligence, the Internet of Things, virtual reality, and other fields. The central processing unit (CPU) is the computing and control core of a computer. The CPU's operating temperature typically ranges from 35°C to 70°C. During high-load activities such as extensive computing, gaming, and video rendering, its temperature rises significantly. Excessive temperatures can cause computer frequency to decrease, system crashes, and hardware damage. To ensure high-performance computer operation, CPU thermal management is typically required. This primarily dissipates heat generated within the computer to maintain hardware stability and lifespan. Currently, the main thermal management methods used are air-cooled radiators and water-cooled radiators. Water-cooled radiators are used to dissipate heat from high-power CPUs.

[0003] Refrigerant, the primary heat transfer medium in water-cooled radiators, has a diverse and complex composition and is somewhat corrosive. With rapid changes in operating conditions, the refrigerant undergoes a series of slow and complex chemical reactions with the water block, radiator, and other components within the system, easily producing some insoluble gel-like matter. This accumulates in the CPU water block's microchannel inlet, causing blockage and significantly reducing the heat exchange efficiency between the water block and the CPU. This blockage becomes increasingly severe over time, leading to a sharp decline in CPU performance.

[0004] The current patent with publication number CN115824310A discloses a coolant filtration and monitoring device for a liquid cooling chassis, including a liquid inlet detection component and a filter component, wherein the filter component filters the incoming coolant, mainly including a filter cavity for circulating the coolant, a filter element is provided in the filter cavity, the upper part of the filter cavity is connected to the liquid inlet cavity, and the lower part is connected to the liquid cooling chassis. The filter is installed in the cold liquid circulation pipeline, and its structure is an external filter. Its disadvantages are: adding a filter component to the pipeline increases the refrigerant path interface, which easily leads to refrigerant leakage; the space inside the computer chassis is limited, and the external filter device increases the difficulty of installation and the risk of failure; in addition, the addition of external components requires additional production costs, which reduces the market competitiveness of the product. Therefore, it is necessary to propose a more reasonable technical solution to solve the shortcomings of the existing technology. Summary of the Invention

[0005] The purpose of the utility model is to provide a computer CPU water-cooled radiator. On the basis of not adding external devices and refrigerant interfaces and not changing the structure of the water-cooled radiator, filtering materials are cleverly added at one or more places in the liquid inlet chamber, the liquid outlet chamber and the lower water chamber of the water-cooled radiator to purify impurities, particles, corrosive substances and other pollutants generated during the use of the refrigerant by in-situ filtration, thereby realizing the self-cleaning function of the micro-water channel of the water-cooled head, ensuring the heat exchange efficiency of the entire water-cooling system, avoiding equipment performance degradation or hardware damage due to poor cooling, and extending the service life of the water-cooled radiator.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A computer CPU water-cooling radiator is provided with a filter material. Since the filter material has certain adsorption and dirt-holding capacity, it can realize in-situ purification and self-cleaning during the refrigerant circulation cooling process, avoid gel clogging of the water cooling head during use, and ensure the service life and stability of the entire device.

[0008] Furthermore, the radiator includes a heat sink, which is a tube-and-tube fin type, an upper water chamber connected to one end of the heat sink and a lower water chamber connected to the other end of the heat sink, an upper water chamber partition is provided in the middle of the upper water chamber to divide the upper water chamber into a liquid inlet chamber and a liquid outlet chamber, the liquid outlet chamber is connected to the inlet of the circulation pump through a refrigerant connecting pipe, and the refrigerant is sent to the water cooling head, and the water cooling head outlet is connected to the liquid inlet chamber through the refrigerant circulation pump and the refrigerant connecting pipe, and the filter material is arranged inside the liquid outlet chamber and / or the liquid inlet chamber and / or the lower water chamber.

[0009] Furthermore, the porosity of the filter material in the liquid outlet chamber is not greater than that in the water outlet chamber, and the porosity of the filter material in the liquid inlet chamber is not greater than that in the liquid inlet chamber. The purpose of this setting is to ensure reasonable coordination of the filter materials according to the actual use of the refrigerant.

[0010] Furthermore, the pore size of the filter material in the liquid outlet chamber is not larger than the pore size of the filter material in the drain chamber, and is not larger than the pore size of the filter material in the liquid inlet chamber.

[0011] Furthermore, the filter material is in the shape of a sheet, a sphere or a polyhedron, the porosity of the filter material is 25-90%, the pore size of the filter material itself is 0.1-200 μm, and the filter material is made of inorganic materials such as activated alumina, ceramsite zeolite, foam ceramics, stainless steel, nickel, titanium and other metal fiber filter meshes, etc.; organic materials such as shell filter materials, high-quality activated carbon, polypropylene, polyester, polyether and other organic polymer fiber filter materials; composite materials such as metal-based fiber filter materials, ceramic-based fiber filter materials, glass fiber and carbon fiber composite filter materials, etc.

[0012] The advantages of this utility model are: the filter material in this device has a large dirt holding capacity, can realize the in-situ purification and self-cleaning functions of the refrigerant, avoid the blockage of the micro-water channels of the water-cooling head, and extend the service life of the water-cooling radiator; the heat dissipation performance of the water-cooling radiator is improved without changing the overall external structure of the water-cooling radiator or increasing the water-cooling radiator interface, and the entire device is easy to process and operate, the filter material does not need to be provided with a separate support, and the integrated built-in design avoids the occurrence of leakage problems and achieves the purpose of reducing costs and increasing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic structural diagram of the utility model.

[0014] Figure 2 It is a structural diagram of embodiment 1 of the present utility model.

[0015] Figure 3 It is a structural diagram of embodiment 2 of the present utility model.

[0016] Figure 4 It is a structural diagram of embodiment 3 of the present utility model. DETAILED DESCRIPTION

[0017] Example 1

[0018] like Figure 2 As shown, a computer CPU water-cooled radiator is provided with a filter material in the water-cooled radiator. The radiator includes a heat sink 8, an upper water chamber connected to one end of the heat sink and a lower water chamber 9 connected to the other end of the heat sink. The heat sink is a tube-and-fin type. An upper water chamber partition 5 is provided in the middle of the upper water chamber to divide the upper water chamber into a liquid inlet chamber 4 and a liquid outlet chamber 7. The liquid outlet chamber 7 is connected to the inlet of the refrigerant circulation pump 2 through a refrigerant connecting pipe 3. The outlet of the water-cooled head 1 is connected to the liquid inlet chamber 4 through the refrigerant circulation pump 2 and the refrigerant connecting pipe. The filter material 6 is arranged in the liquid outlet chamber. The filter material is in sheet form, has a porosity of 50%, and has an average pore size of 25 μm. The filter material is made of an inorganic stainless steel metal fiber filter mesh. Figure 2 The filter material on display is a sheet-like filter material. This filter material is installed in the liquid outlet chamber and is tilted and fixed at the point where the liquid outlet flow area is the largest. Due to the filter material's certain adsorption and dirt holding capacity, compared with a blank device, the solid insoluble matter in the refrigerant is reduced by 95%, and the dirt holding capacity is 20mg / cm 2 , realizing in-situ purification and self-cleaning during the refrigerant circulation cooling process, avoiding gel blockage of the water cooling head during use, and ensuring the service life and stability of the entire device. When the filter material is of other shapes, it can be placed directly inside the liquid outlet chamber.

[0019] Example 2

[0020] like Figure 3As shown, the difference between Example 2 and Example 1 is that: the filter material is arranged in the liquid outlet chamber and the liquid inlet chamber, and the porosity of the filter material in the liquid outlet chamber is not greater than that in the liquid inlet chamber. The filter material is sheet-shaped, and the porosity of the two filter materials is 80% and 60% respectively. The average pore size of the filter material in the liquid inlet chamber is 80μm, and the average pore size of the filter material in the liquid outlet chamber is 40μm. The filter material is an inorganic stainless steel metal fiber filter mesh. By comparison with the blank device, the solid insoluble matter in the refrigerant is reduced by 97%, and the dirt holding capacity is 30 mg / cm 2 Therefore, filter materials are installed at both the refrigerant outlet and the refrigerant inlet to provide double protection.

[0021] Example 3

[0022] like Figure 4 As shown, the difference between Example 3 and Example 1 is that: the filter material is arranged in the liquid outlet chamber, the liquid inlet chamber and the drain chamber, the porosity of the filter material in the liquid outlet chamber is not greater than the porosity of the filter material in the drain chamber, and the porosity of the filter material in the liquid inlet chamber is not greater than the porosity of the filter material in the drain chamber. The filter material is sheet-shaped, and the porosities of the three filter materials are 85%, 70% and 50% respectively. The average pore size of the filter material in the liquid inlet chamber is 120μm, the average pore size of the filter material in the drain chamber is 60μm, and the average pore size of the filter material in the liquid outlet chamber is 40μm. The filter material is an inorganic stainless steel metal fiber filter mesh. By comparing with the blank device, the solid insoluble matter in the refrigerant is reduced by 99%, and the pollution holding capacity is 50mg / cm 2 The purpose of this setting is to ensure the reasonable matching of filter materials according to the actual use of refrigerant.

[0023] Example 4

[0024] The difference between Example 3 and Example 1 is that: the filter material is arranged in at least one of the liquid outlet chamber, the liquid inlet chamber and the sewage chamber, the porosity of the filter material in the liquid outlet chamber is not greater than the porosity of the filter material in the sewage chamber and is not greater than the porosity of the filter material in the liquid inlet chamber, the filter material is an inorganic material such as activated alumina, ceramsite zeolite, foam ceramic, organic material such as shell filter material, high-quality activated carbon, polypropylene, polyester, polyether and other organic polymer fiber filter materials; composite materials such as metal-based fiber filter material, ceramic-based fiber filter material, glass fiber and carbon fiber composite filter material, etc. When specifically set, the filter material is sheet-shaped, spherical or polyhedral, the filter material porosity is 25-90%, and the filter material itself has a reasonable selection between 0.1-200μm.

Claims

1. A computer CPU water cooling radiator, characterized by: A filter material is provided in the water-cooled radiator; the water-cooled radiator includes a heat sink, an upper water chamber connected to one end of the heat sink, and a lower water chamber connected to the other end of the heat sink. An upper water chamber partition is provided in the middle of the upper water chamber to divide the upper water chamber into a liquid inlet chamber and a liquid outlet chamber. The filter material is arranged inside the liquid outlet chamber and / or the liquid inlet chamber and / or the lower water chamber.

2. The computer CPU water cooling radiator according to claim 1, wherein: The porosity of the filter material in the liquid outlet chamber is not greater than that in the drain chamber, and the porosity of the filter material in the liquid inlet chamber is not greater than that in the liquid outlet chamber.

3. The computer CPU water cooling radiator according to claim 2, wherein: The pore size of the filter material in the liquid outlet chamber is not larger than the pore size of the filter material in the drain chamber, and is not larger than the pore size of the filter material in the liquid inlet chamber.

4. The computer CPU water cooling radiator according to claim 1, 2 or 3, wherein: The filter material is in the shape of a sheet, a sphere or a polyhedron, the porosity of the filter material is 25-90%, and the pore size of the filter material itself is 0.1-200 μm.

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