Leak-proof structure at blind-mate water-cooled substrate water connector

Abstract

This utility model discloses a leak-proof structure for the water connector of a blind-mating water-cooled substrate. The leak-proof structure includes a water-cooled substrate with an inlet and an outlet. A cylindrical waterproof cover is provided at both the inlet and outlet, and the cylindrical waterproof cover is integrally machined with the water-cooled substrate. The inlet connector and outlet connector are respectively installed inside the cylindrical waterproof cover at the inlet and outlet. A milled leakage channel is also provided on the lower side of the water-cooled substrate under the cylindrical waterproof cover. The leakage channel has an "L"-shaped structure. The end of its vertical guide section is connected to the side wall of the waterproof cover with a guide port. Its horizontal guide section is parallel to the lower side of the waterproof cover, and its end has a leakage hole. Leakage from the water connectors at the inlet and outlet flows out through the leakage hole at the end of the horizontal guide section of the "L"-shaped leakage channel. This utility model has a simple leak-proof structure and solves the leakage problem at the water connector of the water-cooled substrate.

Description

Technical Field

[0001] This utility model relates to the field of water cooling technology, specifically to a leak-proof structure at the water connector of a blind-mating water-cooled substrate. Background Technology

[0002] With the development of power electronics technology, various electronic devices increasingly demand high-power, high-current, and high-reliability power supply systems. The use of multiple power modules operating in parallel to output high power and current is a crucial direction for power supply technology development. In practical applications, power modules increasingly utilize water-cooling designs, and blind-mating fluid connectors are widely used for easy replacement and maintenance. During use, repeated insertion and removal of the power supply can cause the fluid connectors to loosen or become damaged, posing a risk of leakage. If leakage accumulates undetected, it can lead to water overflow, and water ingress into electrical connectors near the water connector can cause short circuits, corrosion, and other problems. Therefore, it is necessary to improve the safety of water connector installation to protect equipment. Summary of the Invention

[0003] To address the safety issues such as water leakage in existing water connectors used in power modules, this invention provides a novel leak-proof structure for the water connector on a water-cooled substrate and a power module incorporating this leak-proof structure.

[0004] To achieve the above objectives, a leak-proof structure for the water connector of a blind-mating water-cooled substrate includes a water-cooled substrate with an inlet and an outlet. A cylindrical waterproof cover is provided at both the inlet and outlet of the water-cooled substrate. The cylindrical waterproof cover is integrally formed with the water-cooled substrate and is milled. The inlet connector and outlet connector are respectively installed inside the cylindrical waterproof cover at the inlet and outlet. A milled leakage channel is also provided on the lower side of the cylindrical waterproof cover of the water-cooled substrate to guide the leakage. The channel has an "L" shaped structure. The end of the vertical guide section of the "L" shaped water leakage guide channel is connected to the side wall of the waterproof cover with a guide port, and the connection is located at the connection end between the waterproof cover and the water-cooled substrate. The horizontal guide section of the "L" shaped water leakage guide channel is parallel to the lower side of the waterproof cover, and the end of the horizontal guide section of the "L" shaped water leakage guide channel has a water leakage hole. The water leakage from the water connectors at the inlet and outlet flows out through the water leakage hole at the end of the horizontal guide section of the "L" shaped water leakage guide channel.

[0005] Furthermore, a water-retaining sealing ring is also provided on the outside of the waterproof cover.

[0006] Furthermore, a leak sealing ring is also provided on the outer side of the horizontal section of the "L"-shaped water leakage channel that is parallel to the lower side of the waterproof cover.

[0007] The beneficial effects achieved by this utility model are that the water connector has a water-storage sealing ring, which can ensure that a small amount of leakage will not overflow and affect the equipment; if there is a large amount of leakage, the leakage will flow through the "L"-shaped water-drainage channel and finally flow out through the "L"-shaped water-drainage channel, protecting the electrical connector. All structures are on the water-cooled substrate, which does not affect the blind-mating maintenance of the power module. Attached Figure Description

[0008] Figure 1 This is a cross-sectional view of an embodiment of the leak-proof structure at the water connector of a blind-mating water-cooled substrate according to this utility model;

[0009] Figure 2 This is a three-dimensional schematic diagram of a water-cooled substrate in an embodiment of a leak-proof structure for a blind-mating water-cooled substrate water connector according to the present invention.

[0010] Figure 3 This is a schematic diagram of the leakage flow direction of a water-cooled substrate placed longitudinally in one embodiment of the anti-leakage structure of a blind-insertion water-cooled substrate water connector of the present invention.

[0011] Figure 4 This is a schematic diagram of the leakage flow direction of a water-cooled substrate placed horizontally in another embodiment of the anti-leakage structure at the water connector of a blind-insertion water-cooled substrate according to this utility model.

[0012] Figure 5 This is a three-dimensional structural diagram of a leak-proof structure embodiment of the blind-mating water-cooled substrate water connector of this utility model in actual application.

[0013] In the diagram: 1. Water-cooled substrate; 2. Rear panel; 3. Water storage sealing ring; 4. Water inlet connector; 5. Positioning pin; 6. Electrical connector; 7. Water outlet connector; 9. Leakage sealing ring; 10. Circular waterproof cover for water-cooled substrate; 11. "L"-shaped leakage channel; 11-1. Drainage hole; 11-2. Leakage hole. Detailed Implementation

[0014] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0015] like Figures 1-2As shown in the embodiment, a leak-proof structure at the water connector of a blind-fit water-cooled substrate includes a water-cooled substrate 1. The water-cooled substrate 1 is made of aluminum alloy with a thickness of 25mm and has a water flow channel formed by rectangular water channels inside. The water flow channel has two ends, which are respectively set as inlet and outlet. For example, the water-cooled substrate has a water inlet connector 4 installed at the inlet and an outlet connector 7 installed at the outlet. The water flows through the water inlet connector 4, through the water flow channel in the heat dissipation area of ​​the water-cooled substrate, and flows out from the water outlet connector 7. The water channel size is 3×7, which can be adjusted according to the flow resistance requirements. The inlet and outlet are equipped with cylindrical waterproof covers 10 and "L"-shaped leaks. The water guide channel 11 and the water-cooled substrate 1 are milled as a whole. The end of the guide section of the vertical part of the "L"-shaped water leakage guide channel 11 has a guide hole 11-1 that is connected to the side wall of the waterproof cover 10. The diameter of the guide hole is 4mm. The guide section of the horizontal part of the "L"-shaped water leakage guide channel 11 is parallel to the lower side of the waterproof cover (10). The end of the guide section of the horizontal part of the "L"-shaped water leakage guide channel 11 has a water leakage hole 11-2. A water storage sealing ring 3 is also installed on the outside of the cylindrical waterproof cover 10. The water storage sealing ring 10 is used to prevent leakage between the water connector and the inlet or outlet. A water leakage sealing ring 9 is installed on the outside of the guide section of the horizontal part of the "L"-shaped water leakage guide channel 11. If there is leakage at the water connector between the inlet and outlet, the leaked liquid will flow out through the guide hole 11-1, the "L"-shaped water leakage guide channel 11, the water leakage hole 11-2, and finally out through the water leakage sealing ring.

[0016] like Figure 3 , Figure 4 The embodiments of the leak-proof structure at the water connector of a blind-mating water-cooled substrate show two scenarios: longitudinal placement and transverse placement of the water-cooled substrate 1. When placed longitudinally, the "L"-shaped leakage channels 11 located below the inlet connector 4 and the outlet connector 7 are independently designed, and each "L"-shaped leakage channel 11 is provided with a leakage hole 11-2. When placed transversely, the "L"-shaped leakage channels 11 located below the inlet connector 4 and the outlet connector 7 are also independently designed. The leakage liquid in the two leakage channels can flow into a single leakage hole, which can be designed somewhere between the inlet connector 4 and the outlet connector 7.

[0017] like Figure 5 As shown, in an embodiment of a leak-proof structure at the water connector of a blind-insertion water-cooled substrate, the water-cooled substrate 1 of the leak-proof structure at the water connector is fastened to the rear panel 2 of the power module body. A guide positioning pin 5 and an electrical connector are installed on the rear panel. The length of the guide positioning pin 5 is greater than the length of the cylindrical waterproof cover 10.

[0018] Based on the above, the leak-proof structure of this utility model is simple, small in size, low in cost, and effective, solving the problem of leakage at the water connector of the water-cooled substrate in confined spaces. Installation is also extremely convenient, making it worthy of promotion. The basic principles, main features, and advantages of this utility model have been shown and described above. Those skilled in the art should understand that this utility model is not limited to the above embodiments.

[0019] Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model shall be included within the protection scope of this utility model.

Claims

1. A leak-proof structure for a blind-mating water-cooled substrate water connector, comprising a water-cooled substrate (1) having an inlet and an outlet, characterized in that: A cylindrical waterproof cover (10) is provided at both the inlet and outlet of the water-cooled substrate (1). The cylindrical waterproof cover (10) is integral with the water-cooled substrate (1) and is milled. The inlet connector and outlet connector are respectively installed inside the inlet and outlet of the cylindrical waterproof cover (10). A milled water leakage guide channel (11) is also provided on the lower side of the water-cooled substrate of the cylindrical waterproof cover (10). The water leakage guide channel (11) has an "L" shaped structure. The guide section of the vertical part of the "L" shaped water leakage guide channel (11) is... The end is provided with a flow guide port (11-1) that communicates with the side wall of the waterproof cover (10), and the connection is located at the connection end between the waterproof cover (10) and the water-cooled substrate (1). The flow guide section of the horizontal part of the "L"-shaped water leakage guide channel (11) is located parallel to the lower side of the waterproof cover (10). The end of the flow guide section of the horizontal part of the "L"-shaped water leakage guide channel (11) has a water leakage hole (11-2). The water leakage from the water connector at the inlet and outlet flows out through the water leakage hole (11-2) at the end of the horizontal part of the "L"-shaped water leakage guide channel (11).

2. The leak-proof structure at the water connector of the blind-mating water-cooled substrate according to claim 1, characterized in that: There is also a water-storage sealing ring (3) on the outside of the waterproof cover (10).

3. The leak-proof structure at the water connector of the blind-mating water-cooled substrate according to claim 1, characterized in that: The "L"-shaped water-draining channel (11) has a water-draining sealing ring (9) on the outside of the horizontal section of the channel.

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