Integrated flow channel structure for water-cooled pump, water-cooled pump head and water-cooled heat dissipation device

Abstract

The utility model discloses a kind of integrated flow passage structure for water-cooled pump, water-cooled pump head and water-cooled heat sink, including flow passage substrate and functional layer.Water inlet and water outlet are opened on flow passage substrate, and functional layer is arranged below substrate for support.Flow passage substrate top surface outer contour is matched with water-cooled pump shell inner wall contour, and complete heat exchange chamber is formed jointly.Water inlet, water outlet of water-cooled pump shell are respectively communicated with the corresponding interface of flow passage substrate correspondingly.Flow passage substrate and functional layer are integrally compounded by two-color injection molding process, and heat exchange chamber can be constituted without welding.The design significantly reduces the number of parts, simplifies assembly process, and improves production efficiency.Flow passage substrate and pump shell precisely cooperate to form chamber main body, and functional layer simultaneously provides sealing and buffering functions, to realize the unity of structure simplification and performance optimization.

Description

Technical Field

[0001] This utility model relates to the field of radiators, specifically to an integrated flow channel structure for water-cooled pumps, a water-cooled pump head, and a water-cooled heat dissipation device. Background Technology

[0002] As computer CPUs, GPUs, and other chips become increasingly powerful, they generate enormous amounts of heat, making liquid cooling a mainstream choice. The core of a liquid cooling system is the water pump head, which is directly attached to the chip and has complex internal channels that allow coolant to flow and carry away the heat.

[0003] Currently, mainstream water-cooled pump heads adopt a multi-component assembly structure, typically including an independent metal base plate, upper cover plate, and guide plate, among other components. This design has several inherent drawbacks: First, the components need to be connected by welding to form a sealed chamber, which not only increases manufacturing processes and costs but also introduces additional potential failure points; second, the failure to fully utilize the pump casing's internal wall structure results in reduced space utilization and material waste; third, the assembly process is complex, as the components are fastened with screws and rely on sealing rings for sealing.

[0004] In terms of thermal performance, the existing design places the rigid structure directly on top of the heat sink fins, resulting in multiple underutilized gaps in the coolant flow channels, forming flow dead zones. This severely affects the uniformity of the flow field distribution and limits further improvements in heat dissipation efficiency. In addition, the mechanical vibrations generated by the water pump during operation are directly transmitted to the heat sink fin array through the rigid structure, which may affect the integrity and stability of the structure over long-term operation.

[0005] Therefore, a new type of pump head structure is needed that has fewer parts, is easy to assemble, and can optimize the heat transfer interface and improve the flow field distribution. Utility Model Content

[0006] The purpose of this invention is to overcome the shortcomings of the prior art and provide an integrated flow channel structure for water-cooled pumps that is simplified in structure, highly integrated, has good sealing performance, and can improve heat dissipation efficiency.

[0007] The objective of this utility model is achieved through the following technical solution:

[0008] An integrated flow channel structure for a water-cooled pump is installed inside the pump housing and above a mounting base plate. This integrated flow channel structure includes a flow channel base plate with an inlet and an outlet. The top surface area of ​​the flow channel base plate is larger than its bottom surface area, and its top outer contour is precisely designed to fit the inner wall contour of the lower half of the water-cooled pump housing. The lower layer of the flow channel base plate has a moderately reduced area to provide sufficient space for the inlet while ensuring structural compactness. An outlet is located at the center of the flow channel base plate, maintaining corresponding communication with the water outlet of the water-cooled pump housing. A functional layer with the same area as the lower layer of the flow channel base plate is located below it and is directly pressed onto the heat dissipation fins to support the flow channel base plate. This functional layer has an outlet corresponding to the outlet of the flow channel base plate. When the flow channel substrate is installed in place, its top surface and the lower part of the pump casing inner wall together form a complete heat exchange chamber, and its top surface and the upper part of the pump casing inner wall together form a complete turbine drive chamber, achieving seamless integration of the flow channel structure. The water inlet and outlet on the water-cooled pump casing are respectively connected to the water inlet and outlet on the flow channel substrate, ensuring that the coolant can smoothly circulate through the heat exchange chamber. This special integrated shape design simplifies the traditional assembly structure, eliminating the need for additional welding processes to form the heat exchange chamber. This design addresses the problem in existing technologies where rigid structures placed on top of the heat dissipation fins result in numerous gaps, making it difficult to achieve optimal coolant flow field distribution and limiting heat dissipation efficiency. By optimizing the flow channel layout, the coolant flow path is significantly improved, enhancing heat exchange efficiency. At the same time, the functional layer made of elastic material not only fills the gaps on top of the heat dissipation fins, allowing for more sufficient contact between the coolant and the heat dissipation fins, but also provides reliable buffer protection and excellent vibration absorption for the overall structure, effectively ensuring the structural safety and service life of the heat dissipation fins.

[0009] In one embodiment, the flow channel substrate and the functional layer are integrally composited using a two-color injection molding process. This process includes: first, injecting polyphenylene sulfide (PPS) material into a mold at high temperature to form the flow channel substrate; then, while the substrate portion cools to 120-150°C, keeping the mold closed; and finally, injecting molten EPDM rubber material into a second chamber of the same mold, bonding it to the pre-formed flow channel substrate. During the composite process, the two materials diffuse and entangle at the interface at the molecular level, forming a strong interfacial bonding layer. This two-color injection molding process ensures a gapless, permanent connection between the flow channel substrate and the functional layer, maintaining the structural rigidity and dimensional stability required by the flow channel substrate while imparting excellent elasticity and sealing properties to the functional layer. This integral molding manufacturing method eliminates the connection interface in traditional assembly processes, significantly improving product reliability and service life, while avoiding the leakage risks that may arise from the use of adhesives or mechanical connectors.

[0010] In one embodiment, the flow channel substrate is made of a rigid material, and the functional layer is made of an elastic material. The rigid material can be high-performance engineering plastic polyphenylene sulfide (PPS), which possesses excellent mechanical strength, dimensional stability, and high-temperature resistance, with a heat distortion temperature exceeding 220°C, ensuring the flow channel structure maintains stable geometry and mechanical properties under long-term high-temperature operating conditions. The elastic material can be ethylene propylene diene monomer (EPDM), which exhibits excellent elastic deformation capacity, aging resistance, and corrosion resistance, with a compression set of less than 20%, maintaining good sealing performance under long-term compression. This combination of materials fully leverages their respective advantages: PPS provides the necessary structural support and dimensional accuracy, while EPDM provides reliable elastic sealing, vibration damping, and support. This material combination is particularly suitable for the operating environment of water-cooled heat dissipation systems, capable of withstanding long-term corrosion from coolant and the effects of temperature changes.

[0011] In one embodiment, heat dissipation fins and a mounting base are disposed below the functional layer. The heat dissipation fins are fixedly mounted on the mounting base, forming a heat dissipation module together with the mounting base. The functional layer acts as a buffer, with its lower surface specially designed to match the contour features of the top of the heat dissipation fins. When the system is assembled, the buffer is pressed onto the heat dissipation fins with a predetermined pressure. This pressing configuration causes the buffer, made of elastic material, to undergo appropriate elastic deformation, not only filling the gaps at the top of the heat dissipation fins and ensuring a uniform distribution of the coolant flow field, but also providing effective buffer protection for the entire heat dissipation module. This buffer protection function can absorb mechanical stress generated during installation, alleviate vibration and shock during operation, and prevent damage to the heat dissipation fins due to external forces, thereby significantly improving the reliability and service life of the product.

[0012] In one embodiment, the water-cooled pump housing is provided with an annular sealing groove, and the periphery of the functional layer extends to form an annular sealing wall. This sealing wall also serves the function of the original sealing ring, reducing the number of parts. The sealing wall cooperates with the annular sealing groove. When the structure is installed in place and pressed, the sealing wall undergoes elastic deformation and fits tightly with the sealing groove, thereby forming a sealing function. The water inlet and water outlet of the flow channel substrate are both located within the area enclosed by the sealing wall.

[0013] In one embodiment, the integrated flow channel structure adopts a prismatic integral configuration. The functional layer also directly serves as the sidewall structure of the heat exchange chamber. The mounting base plate has an annular sealing groove, and the bottom of the sealing wall of the functional layer matches the annular sealing groove. The bottom surface of the functional layer is pressed against the heat dissipation fins, providing stable support while maintaining an elastic buffer function. When the structure is installed and pressed tightly, the sealing wall undergoes elastic deformation and fits tightly against the sealing groove, thereby forming a reliable circumferential seal between the functional layer and the mounting base plate. This prismatic design, by integrating the sealing wall, which serves as a sealing ring, with the sidewall of the heat exchange chamber, not only simplifies the overall structure but also improves space utilization efficiency, while ensuring a perfect combination of sealing performance and fluid channel function.

[0014] In one embodiment, a mechanical interlocking structure is formed at the interface between the flow channel substrate and the functional layer. This mechanical interlocking structure includes multiple geometric grooves precisely formed on the interface surface of the flow channel substrate, and multiple geometric protrusions correspondingly formed on the interface surface of the functional layer. These grooves and protrusions employ a mutually cooperating irregular shape design, including but not limited to dovetail, trapezoidal, or wavy anti-detachment structures. When composite molding is performed using a two-color injection molding process, the molten functional layer material fully fills the groove structure on the surface of the flow channel substrate under high pressure, forming a robust mechanical interlocking connection after cooling and solidification. This interlocking structure significantly increases the bonding area between the two materials and effectively resists interlayer shear and peeling forces through the mutual constraint of geometric shapes, greatly improving the integrity and durability of the composite structure and ensuring the reliability of the product under harsh conditions such as long-term vibration, temperature changes, and pressure fluctuations.

[0015] In one embodiment, the mechanical interlocking structure includes a plurality of grooves formed on the bottom of the flow channel substrate and a plurality of protrusions formed on the functional layer and matching the shape of the grooves. The protrusions are embedded in the grooves to increase the bonding strength and peel resistance of the flow channel substrate and the functional layer. The cross-sectional shape of the grooves is preferably trapezoidal or dovetail-shaped.

[0016] In one embodiment, a water-cooled pump head includes a water-cooled pump housing with an inlet and an outlet. The water-cooled pump head also includes the aforementioned integrated flow channel structure, mounting base plate, turbine, and sealing ring. The mounting base plate is provided with heat dissipation fins, which increase the contact area of ​​the coolant for rapid heat exchange. The integrated flow channel structure is installed inside the water-cooled pump housing and above the mounting base plate. The lower part of the integrated flow channel structure forms a heat exchange chamber, and the upper part forms a turbine drive chamber. The turbine is located above the outlet port of the flow channel base plate, driving the coolant to circulate. The sealing ring is located between the water-cooled pump housing and the mounting base plate to prevent lateral leakage of the coolant. The top surface of the flow channel base plate and the inner wall of the water-cooled pump housing adopt a complementary curved surface design, which together form a complete heat exchange chamber. The volume of this chamber is optimized by fluid dynamics to reduce flow resistance and enhance heat exchange efficiency. The inlet and outlet of the water-cooled pump housing are aligned with the inlet and outlet interfaces on the flow channel substrate to form an unobstructed fluid channel. The functional layer is pressed onto the heat dissipation fins and fully fills the microscopic unevenness on the top of the heat dissipation fins through elastic deformation, ensuring full contact between the coolant and the heat dissipation fins, while providing effective vibration damping and mechanical stress buffering. The functional layer has an outlet interface in the center, which connects to all the heat dissipation fins, ensuring that the coolant can flow out from the outlet interface to the turbine drive chamber after passing through the heat dissipation fins.

[0017] In one embodiment, a water-cooled pump head includes an integral flow channel structure with a sealing wall. The top surface of the flow channel substrate and the sealing wall of the functional layer together form a complete heat exchange chamber. An annular sealing groove is provided around the heat dissipation fins on the mounting base plate. The sealing wall and the annular sealing groove are press-fitted together by an interference fit, thereby forming a seal between the integral flow channel structure and the mounting base plate. This sealing structure ensures that the coolant flows completely within the designed flow channel and avoids bypass leakage. This design achieves structural simplification and functional integration by simultaneously using the sealing wall as the side wall of the heat exchange chamber.

[0018] In one embodiment, a water-cooled heat dissipation device includes a water-cooled pump head with an integrated flow channel structure, and an external heat dissipation radiator connected to the inlet and outlet of the water-cooled pump head. The water-cooled pump head adopts the aforementioned integrated flow channel structure, which is formed by bonding a rigid flow channel substrate with an elastic functional layer through a two-color injection molding process. The external heat dissipation radiator is connected to the inlet and outlet of the pump head in a closed loop via a pressure-resistant hose, forming a complete coolant circulation path. When the device is working, the coolant flows sequentially under the drive of the pump: the heat exchange chamber of the water-cooled pump head, the outlet, the external heat dissipation radiator, the inlet, and the heat exchange chamber of the water-cooled pump head, completing a continuous heat exchange cycle.

[0019] The beneficial effects of this utility model are:

[0020] This invention, employing the aforementioned technical solution, achieves a high degree of integration in the pump head structure by integrally molding the rigid flow channel substrate and the elastic functional layer using an innovative two-color injection molding process. This design integrates functions traditionally achieved through multiple independent components into a single unit, significantly reducing the number of parts, simplifying assembly processes, and improving production efficiency. The rigid flow channel substrate precisely fits the pump housing inner wall to form a complete heat exchange chamber, and the two-color injection molding process eliminates assembly errors and contact thermal resistance between multi-layer structures. Simultaneously, the elastic functional layer adheres to the surface of the heat dissipation fins, effectively filling the gaps between the traditional rigid structure and the heat dissipation fins, optimizing the coolant flow field distribution, making fluid flow more uniform and smooth, and significantly improving heat dissipation efficiency. This solves the problems of numerous parts, slow assembly, and limited thermal efficiency in traditional water-cooled pump heads, providing a high-performance, high-reliability innovative solution. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is an exploded view of the present invention.

[0023] Figure 2 The flow channel substrate and functional layer of this utility model are three-dimensional Figure 1 .

[0024] Figure 3 The flow channel substrate and functional layer of this utility model are three-dimensional Figure 2 .

[0025] Figure 4 The flow channel substrate and functional layer of this utility model are three-dimensional Figure 3 .

[0026] Figure 5 The flow channel substrate and functional layer of this utility model are three-dimensional Figure 4 .

[0027] Figure 6 This is a diagram showing the installation status of the functional layer of this utility model.

[0028] Figure 7 This is a perspective view of the water-cooled pump housing of this utility model.

[0029] Figure 8 This is a schematic diagram of the water cooling fluid flow of this utility model.

[0030] Figure 9 This is an exploded view of the sealed wall structure of this utility model.

[0031] Figure 10 The flow channel substrate and functional layer of this utility model are three-dimensional Figure 5 .

[0032] Figure 11 The flow channel substrate and functional layer of this utility model are three-dimensional Figure 6 .

[0033] The numbers in the diagram represent: 1. Water-cooled pump housing; 2. Flow channel base plate; 3. Functional layer; 4. Heat dissipation fins; 5. Mounting base plate; 6. Water inlet; 7. Water outlet; 8. Water inlet; 9. Water outlet; 10. Groove; 11. Protrusion; 12. Turbine; 13. Sealing ring; 14. Sealing wall. Detailed Implementation

[0034] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of this utility model. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0035] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0036] Unless otherwise defined, 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 pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0037] Please refer to the embodiments of this utility model. Figures 1 to 11 :

[0038] An integrated flow channel structure for a water-cooled pump, installed inside a water-cooled pump housing 1, includes: a flow channel substrate 2, on which a water inlet 6 and a water outlet 7 are formed; a functional layer 3, disposed below the flow channel substrate 2, for supporting the flow channel substrate 2, the functional layer 3 having a water outlet 7; the outer contour of the top surface of the flow channel substrate 2 is configured to match the inner wall contour of the lower half of the water-cooled pump housing 1, so that when the flow channel substrate 2 is installed inside the water-cooled pump housing 1, the top surface of the flow channel substrate 2 and the inner wall of the water-cooled pump housing 1 together form a complete heat exchange chamber; the water-cooled pump housing 1 is provided with a water inlet 8 and a water outlet 9, the water inlet 8 and the water outlet 9 respectively correspondingly communicating with the water inlet 6 and the water outlet 7 on the flow channel substrate 2.

[0039] By adopting the above technical solution, an innovative integrated flow channel structure is provided, which combines the rigid flow channel substrate 2 and the elastic functional layer 3 into a single component through a two-color injection molding process. The upper flow channel substrate 2 is precisely fitted with the inner wall of the pump housing to form a complete heat exchange chamber and turbine 12 drive chamber, and is directly pressed onto the heat dissipation fins 4 through the lower functional layer 3. This not only optimizes the flow channel layout and improves heat dissipation efficiency, but also protects the structure of the heat dissipation fins 4 and supports the flow channel substrate 2 through the buffering properties of the elastic material. It completely eliminates the traditional welding process for constructing the heat exchange chamber, significantly simplifies the assembly structure and improves reliability.

[0040] Preferably, the flow channel substrate 2 and the functional layer 3 are integrally composite molded by a two-color injection molding process.

[0041] By adopting the above technical solution, the flow channel substrate 2 and the functional layer 3 are integrally composite-molded using a two-color injection molding process. In this process, polyphenylene sulfide material is first injected into a mold to form the flow channel substrate 2, and then ethylene propylene diene monomer (EPDM) rubber material is injected into the same mold to form the functional layer 3. The two materials form a molecular-level bond at the interface, ensuring that the flow channel substrate 2 maintains structural rigidity, while the functional layer 3 possesses elastic properties. This integral molding method reduces the number of parts and eliminates the connection interfaces in traditional assembly processes, improving product integrity and reliability, and avoiding the leakage risks that may result from the use of adhesives or mechanical connectors.

[0042] Preferably, the flow channel substrate 2 is made of a rigid material, and the functional layer 3 is made of an elastic material.

[0043] By adopting the above technical solution, the flow channel substrate 2 is made of polyphenylene sulfide (PPS) rigid material, and the functional layer 3 is made of ethylene propylene diene monomer (EPDM) elastic material. PPS provides excellent structural strength, dimensional stability, and high-temperature resistance, ensuring stable operation of the flow channel in high-temperature environments; EPDM imparts excellent elastic deformation capability, aging resistance, and corrosion resistance to the functional layer 3, ensuring reliable sealing under long-term compression. This optimized combination of the two materials fully leverages their respective performance advantages, ensuring both the structural support requirements of the flow channel substrate 2 and the elastic sealing and buffer support functions required by the functional layer 3. This is particularly suitable for water-cooled heat dissipation systems operating in environments that require long-term tolerance to coolant corrosion and temperature variations.

[0044] Preferably, a heat dissipation fin 4 and a mounting base plate 5 are provided below the functional layer 3. The heat dissipation fin 4 is disposed on the mounting base plate 5. The functional layer 3 is a buffer part, which is configured to be pressed on top of the heat dissipation fin 4 to provide buffer protection.

[0045] By adopting the above technical solution, the functional layer 3, acting as a buffer, is directly pressed onto the heat dissipation fins 4 of the mounting base plate 5. The lower surface contour of the buffer matches the top of the heat dissipation fins 4, generating elastic deformation during pressing to effectively fill gaps, ensuring uniform distribution of the coolant flow field, and simultaneously providing buffer protection and support for the heat dissipation module. This design can absorb installation stress and operational vibration, prevent damage to the heat dissipation fins 4, and significantly improve product reliability and service life.

[0046] Preferably, the water-cooled pump housing 1 is provided with an annular sealing groove; the periphery of the functional layer 3 extends to form an annular sealing wall 14; the sealing wall 14 cooperates with the annular sealing groove; when the structure is installed in place and pressed, the sealing wall 14 undergoes elastic deformation and fits tightly with the sealing groove, thereby forming a sealing function; the water inlet 6 and water outlet 7 of the flow channel substrate 2 are both located within the area enclosed by the sealing wall 14.

[0047] By adopting the above technical solution, the sealing wall 14 extending from the functional layer 3 replaces the original sealing ring 13, further reducing the number of parts inside the water-cooled pump. When the structure is compressed, the sealing wall 14 undergoes elastic deformation and fits tightly with the sealing groove to form a circumferential seal, ensuring a perfect combination of sealing performance and fluid channel function.

[0048] Preferably, the integrated flow channel structure is prismatic, the mounting base plate 5 is provided with an annular sealing groove, the sealing wall 14 of the functional layer 3 is used as the inner wall of the heat exchange chamber, and the water inlet 6 and water outlet 7 of the flow channel substrate 2 are both located in the chamber area enclosed by the sealing wall 14.

[0049] By adopting the above technical solution, the sealing wall 14 has a dual function: it not only forms a reliable seal by pressing it against the sealing groove of the mounting base plate 5, but also directly constitutes the side wall of the heat exchange chamber. This innovative design combines the sealing function with the chamber structure, simplifying the overall structure and improving space utilization efficiency.

[0050] Preferably, a mechanical interlocking structure is formed at the interface between the flow channel substrate 2 and the functional layer 3.

[0051] By adopting the above technical solution, a mechanical interlocking structure is provided at the interface between the flow channel substrate 2 and the functional layer 3. This structure is formed by setting geometric grooves 10 on the surface of the flow channel substrate 2 and matching protrusions 11 on the surface of the functional layer 3, and then forming a firm connection after being composite molded by a two-color injection molding process. This interlocking design significantly increases the bonding area and effectively resists interlayer shear forces and peeling forces through the mutual restraint of geometric shapes, ensuring the reliability of the product under conditions such as vibration, temperature changes, and pressure fluctuations.

[0052] Preferably, the mechanical interlocking structure includes a plurality of grooves 10 formed on the bottom of the flow channel substrate 2, and a plurality of protrusions 11 formed on the functional layer 3 and matching the shape of the grooves 10; the protrusions 11 are embedded in the grooves 10 to increase the bonding strength and peel resistance of the flow channel substrate 2 and the functional layer 3.

[0053] By adopting the above technical solution, the mechanical interlocking structure includes multiple trapezoidal or dovetail-shaped grooves 10 formed on the bottom of the flow channel substrate 2, and matching protrusions 11 formed on the functional layer 3. The protrusions 11 are embedded in the grooves 10, and the geometric locking effect significantly enhances the bonding strength and anti-peel performance between the flow channel substrate 2 and the functional layer 3. This interlocking structure is integrally molded by a two-color injection molding process, effectively resisting interlayer shear forces and ensuring long-term reliability under conditions such as vibration and temperature changes.

[0054] A water-cooled pump head includes a water-cooled pump housing 1, the water-cooled pump housing 1 having an inlet 8 and an outlet 9, and further includes: an integrated flow channel structure comprising a flow channel substrate and a functional layer, which can cooperate with the inner wall of the water-cooled pump housing to form a heat exchange chamber; a mounting base plate 5, on which heat dissipation fins 4 are provided; a turbine 12, disposed inside the water-cooled pump housing 1; and a sealing ring 13, disposed between the water-cooled pump housing 1 and the mounting base plate 5; wherein, the integrated flow channel structure is installed inside the water-cooled pump housing 1, and the integrated flow channel structure is located above the mounting base plate 5; the turbine 12 is located above the outlet 7 of the flow channel substrate 2; the top surface of the flow channel substrate 2 and the inner wall of the water-cooled pump housing 1 together form a complete heat exchange chamber, and the inlet 8 and outlet 9 of the water-cooled pump housing 1 are correspondingly connected to the inlet 6 and outlet 7; and the functional layer 3 is pressed onto the heat dissipation fins 4.

[0055] By adopting the above technical solution, this utility model provides a water-cooled pump head, including a water-cooled pump housing 1, an integrated flow channel structure, a mounting base plate 5, a turbine 12, and a sealing ring 13. The integrated flow channel structure is installed between the water-cooled pump housing 1 and the mounting base plate 5. Its flow channel base plate 2 divides the pump housing interior into upper and lower chambers: the upper chamber forms the turbine 12 drive chamber, which houses the turbine 12 and drives the coolant circulation; the lower chamber, together with the pump housing inner wall, forms a fluid dynamics-optimized heat exchange chamber. The turbine 12 is located in the turbine 12 drive chamber above the water outlet 7 of the flow channel base plate 2, driving the coolant circulation. The functional layer 3 is pressed onto the heat dissipation fins 4 of the mounting base plate 5, filling the gaps at the top of the heat dissipation fins 4 through elastic deformation, ensuring that the coolant fully contacts the heat dissipation surface, while providing vibration damping and mechanical stress buffering. The sealing ring 13 is located between the pump housing and the mounting base plate 5, effectively preventing lateral coolant leakage. All interfaces are connected using an axial alignment method, forming an unobstructed fluid channel to ensure efficient and stable system operation.

[0056] A water-cooled pump head includes a water-cooled pump housing 1, which has an inlet 8 and an outlet 9. It also includes: an integrated flow channel structure with an annular sealing wall; a mounting base plate 5 with heat dissipation fins 4; and a turbine 12 disposed within the water-cooled pump housing 1. The integrated flow channel structure is installed inside the water-cooled pump housing 1 and is positioned above the mounting base plate 5. The turbine 12 is positioned above the outlet 7 of the flow channel substrate 2. The inlet 8 and outlet 9 of the water-cooled pump housing 1 are respectively connected to the inlet 6 and outlet 7 of the flow channel substrate 2. A functional layer 3 is pressed onto the heat dissipation fins 4. An annular sealing groove is provided at the bottom of the water-cooled pump housing 1. The sealing wall 14 is pressed and fitted into the annular sealing groove to seal the water-cooled pump head.

[0057] By adopting the above technical solution, this utility model provides a water-cooled pump head, including an integrated flow channel structure with a sealing wall 14. The annular sealing groove is disposed on the bottom end face of the water-cooled pump housing 1. In this design, the sealing wall 14 of the functional layer 3 and the annular sealing groove at the bottom of the water-cooled pump housing 1 form a radial press-fit seal. When the integrated flow channel structure is installed in place, the sealing wall 14 undergoes radial elastic deformation and tightly fits the sealing groove at the bottom of the water-cooled pump housing 1, eliminating the need for the sealing ring 13 and simplifying the manufacturing process of the mounting base plate 5;

[0058] By adopting the above technical solution, this utility model also provides another embodiment, wherein the top surface of the flow channel substrate 2 and the sealing wall 14 of the functional layer 3 together constitute a complete heat exchange chamber, and an annular sealing groove is provided on the mounting base plate 5. The sealing wall 14 and the sealing groove are press-fitted with an interference fit, forming a reliable seal between the integrated flow channel structure and the mounting base plate 5, ensuring that the coolant flows completely according to the designed flow channel and eliminating bypass leakage. This innovative design uses the sealing wall 14 as the side wall of the heat exchange chamber at the same time, realizing structural simplification and functional integration, ensuring sealing performance and optimizing space utilization efficiency.

[0059] A water-cooled heat dissipation device, characterized in that it includes: the aforementioned water-cooled pump head; and an external heat dissipation radiator connected to the water inlet 8 and the water outlet 9.

[0060] By adopting the above technical solution, this utility model provides a water-cooled heat dissipation device, including a water-cooled pump head with an integrated flow channel structure, and an external heat dissipation radiator connected to the inlet 8 and outlet 9 of the water-cooled pump head. The water-cooled pump head adopts the aforementioned integrated flow channel structure, which is formed by bonding a rigid flow channel substrate 2 and an elastic functional layer 3 through a two-color injection molding process. The external heat dissipation radiator is connected to the inlet 8 and outlet 9 of the water pump head in a closed loop through a pressure-resistant hose, forming a complete coolant circulation path. When the device is working, the coolant flows sequentially under the drive of the water pump through: the heat exchange chamber of the water-cooled pump head, the outlet 9, the external heat dissipation radiator, the inlet 8, and the heat exchange chamber of the water-cooled pump head, completing a continuous heat exchange cycle. Through optimized system integration design, this device achieves a perfect combination of efficient heat dissipation, stable operation, and reliability, and is particularly suitable for high-performance electronic equipment requiring forced cooling.

[0061] Working Principle: By incorporating an integrated flow channel structure within the water-cooled pump housing 1, this structure is integrally molded from the flow channel substrate 2 and the functional layer 3 using a two-color injection molding process, forming a complete heat exchange chamber without the need for traditional welding. This innovative design significantly reduces the number of parts, simplifies the assembly process, and improves production efficiency. The flow channel substrate 2 precisely fits into the inner wall of the pump housing to form the main body of the chamber, while the functional layer 3 provides sealing and buffering functions, achieving a balance between structural simplification and performance optimization.

[0062] During assembly, the number of parts is reduced, assembly time is shortened, and product yield is improved.

[0063] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. An integrated flow channel structure for a water-cooled pump, installed inside a water-cooled pump housing (1), characterized in that, include: A flow channel substrate (2) has a water inlet (6) and a water outlet (7) on it. A functional layer (3) is disposed below the flow channel substrate (2) for supporting the flow channel substrate (2), and the functional layer (3) has a water outlet (7). The top surface outer contour of the flow channel substrate (2) is configured to match the inner wall contour of the lower half of the water-cooled pump housing (1). So that when the flow channel substrate (2) is installed inside the water-cooled pump housing (1), the top surface of the flow channel substrate (2) and the inner wall of the water-cooled pump housing (1) together form a complete heat exchange chamber. The water-cooled pump housing (1) is provided with an inlet (8) and an outlet (9), and the inlet (8) and outlet (9) are respectively connected to the inlet interface (6) and outlet interface (7) on the flow channel substrate (2).

2. The integrated flow channel structure for a water-cooled pump according to claim 1, characterized in that: The flow channel substrate (2) and the functional layer (3) are integrally composite molded by a two-color injection molding process.

3. The integrated flow channel structure for a water-cooled pump according to claim 1, characterized in that: The flow channel substrate (2) is made of a rigid material, and the functional layer (3) is made of an elastic material.

4. The integrated flow channel structure for a water-cooled pump according to claim 2, characterized in that: The functional layer (3) is provided with heat dissipation fins (4) and mounting base plate (5) below it. The heat dissipation fins (4) are provided on the mounting base plate (5). The functional layer (3) is a buffer part, which is configured to be pressed on the heat dissipation fins (4) to provide buffer protection.

5. The integrated flow channel structure for a water-cooled pump according to claim 4, characterized in that: The water-cooled pump housing (1) is provided with an annular sealing groove; The periphery of the functional layer (3) extends to form an annular sealing wall (14). The sealing wall (14) mates with the annular sealing groove; When the structure is installed in place and pressed, the sealing wall (14) undergoes elastic deformation and fits tightly against the sealing groove, thereby forming a sealing function; The water inlet (6) and water outlet (7) of the flow channel substrate (2) are both located within the area enclosed by the sealing wall (14).

6. The integrated flow channel structure according to any one of claims 2 to 5, characterized in that: A mechanical interlocking structure is formed at the interface between the flow channel substrate (2) and the functional layer (3).

7. The integrated flow channel structure for a water-cooled pump according to claim 6, characterized in that: The mechanical interlock structure includes a plurality of grooves (10) formed on the bottom of the flow channel substrate (2) and a plurality of protrusions (11) formed on the functional layer (3) and matching the shape of the grooves (10). The protrusion (11) is embedded in the groove (10) to increase the bonding strength and peel resistance of the flow channel substrate (2) and the functional layer (3).

8. A water-cooled pump head, comprising a water-cooled pump housing (1), wherein the water-cooled pump housing (1) is provided with an inlet (8) and an outlet (9), characterized in that, Also includes: The integrated flow channel structure as described in any one of claims 1 to 7; Mounting base plate (5), on which heat dissipation fins (4) are provided; A turbine (12) is disposed inside the water-cooled pump housing (1); A sealing ring (13) is disposed between the water-cooled pump housing (1) and the mounting base plate (5); The integrated flow channel structure is installed inside the water-cooled pump housing (1) and is located above the mounting base plate (5). The turbine (12) is disposed above the water outlet (7) of the flow channel substrate (2); The top surface of the flow channel substrate (2) and the inner wall of the water-cooled pump housing (1) together form a complete heat exchange chamber. The water inlet (8) and water outlet (9) of the water-cooled pump housing (1) are connected to the water inlet interface (6) and water outlet interface (7). The functional layer (3) is pressed onto the heat dissipation fins (4).

9. A water-cooled pump head, comprising a water-cooled pump housing (1), wherein the water-cooled pump housing (1) is provided with an inlet (8) and an outlet (9), characterized in that, Also includes: The integrated flow channel structure as described in claim 5; Mounting base plate (5), on which heat dissipation fins (4) are provided; A turbine (12) is disposed inside the water-cooled pump housing (1); The integrated flow channel structure is installed inside the water-cooled pump housing (1) and is located above the mounting base plate (5). The turbine (12) is disposed above the water outlet (7) of the flow channel substrate (2); The water inlet (8) and outlet (9) of the water-cooled pump housing (1) are respectively connected to the water inlet (6) and outlet (7) of the flow channel substrate (2); The functional layer (3) is pressed onto the heat dissipation fins (4); The bottom of the water-cooled pump housing (1) is provided with an annular sealing groove; The sealing wall (14) is press-fitted with the annular sealing groove to seal the water-cooled pump head.

10. A water-cooled heat dissipation device, characterized in that, include: Water-cooled pump head as described in any one of claims 8 to 9; And an external heat dissipation vent connected to the water inlet (8) and the water outlet (9).

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