A frame integrated liquid cooling box
By installing a bottom protective plate and insulation cotton at the bottom of the liquid cooling box and adopting an integrated frame structure, the problem of condensation at the bottom of the liquid cooling box is solved, achieving more efficient cooling and heat insulation performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIANGXIN AUTOMOTIVE COMPONENT TOOL & DIE
- Filing Date
- 2025-05-26
- Publication Date
- 2026-06-09
AI Technical Summary
Condensation easily forms at the bottom of existing liquid cooling boxes, affecting cooling efficiency.
A bottom protective plate is installed below the liquid-cooled base plate, and thermal insulation cotton is added between the bottom protective plate and the liquid-cooled base plate. The liquid-cooled base plate is fixed to the integrated frame by core pulling and riveting. The integrated frame structure is designed to enhance the overall rigidity and adapt to the shape of the battery pack.
It improves the heat insulation and buffering performance of the liquid cooling box, reduces energy loss, prevents condensation, and ensures the efficient operation of the cooling system.
Smart Images

Figure CN224342338U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power battery technology, specifically, it is a frame-integrated liquid-cooled housing. Background Technology
[0002] As a core component of electric vehicles, the power battery system's heat dissipation effect and heat dissipation uniformity affect the battery pack's safety performance.
[0003] Chinese utility model patent CN220692127U discloses a liquid-cooled box, which includes a liquid-cooled base plate, a front beam and a rear beam sealed on both sides of the liquid-cooled base plate along a first direction, and two side beams sealed on both sides of the liquid-cooled base plate along a second direction, the second direction being perpendicular to the first direction. The liquid-cooled base plate has a first flow channel in which coolant flows. The front beam has two inlets, connected to the inlet and outlet of the first flow channel, respectively. Both ends of the front and rear beams along the second direction have grooves, with the groove wall on the side away from the side beam flush with the side wall of the first flow channel near the side beam. The liquid-cooled base plate is located at the bottom of the liquid-cooled box. The bottom of the liquid-cooled box is prone to condensation because the box temperature is lower than the dew point temperature of the surrounding environment. This condensation accumulates inside the liquid-cooled box, and if not treated promptly, it may hinder effective heat transfer, thereby reducing the efficiency of the cooling system.
[0004] Therefore, existing technologies need to be improved and enhanced. Utility Model Content
[0005] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a frame-integrated liquid cooling box that prevents condensation from forming at the bottom of the liquid cooling box.
[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0007] An integrated liquid-cooled enclosure includes a liquid-cooled base plate and an integral frame disposed on the liquid-cooled base plate, and also includes a bottom protective plate disposed below the liquid-cooled base plate, wherein a plurality of thermal insulation cotton is disposed between the bottom protective plate and the liquid-cooled base plate and is in static contact with the liquid-cooled base plate.
[0008] As a further embodiment of this utility model, the liquid-cooled base plate is fixed to the integral frame by a number of core-pulling rivets.
[0009] As a further embodiment of this utility model, the liquid-cooled base plate includes a flow channel plate and a flow channel cover plate covering the flow channel plate. The flow channel plate is provided with a flow channel, and one end of the flow channel cover plate is provided with an inlet and an outlet that communicate with the flow channel.
[0010] As a further embodiment of this utility model, the integrated frame includes two horizontal beams and two vertical beams, with a horizontal beam connecting one end of each of the two vertical beams in the same direction, and an auxiliary horizontal beam connecting the two vertical beams is provided on the inner side of each of the two horizontal beams.
[0011] As a further embodiment of this utility model, the end face of the auxiliary crossbeam relative to the liquid-cooled base plate is lower than the end face of the crossbeam relative to the liquid-cooled base plate.
[0012] As a further embodiment of this utility model, a plurality of rivet nuts are provided on the integrated frame.
[0013] As a further embodiment of this utility model, the edge of the bottom protective plate is fixed to the integral frame with bolts.
[0014] As a further embodiment of this utility model, the bottom protective plate is provided with a plurality of platforms on the side near the liquid-cooled bottom plate, and each platform is provided with a thermal insulation cotton.
[0015] As a further embodiment of this utility model, a groove is provided on the bottom protective plate, and a plurality of platforms protrude from the bottom of the groove.
[0016] Compared with the prior art, the beneficial effects of this utility model are:
[0017] Due to the above structural design, namely the bottom protective plate installed below the liquid-cooled base plate and the insulation cotton installed between the bottom protective plate and the liquid-cooled base plate, the heat insulation and buffering performance of the liquid-cooled box is improved, the energy loss during transmission is reduced, and the condensation is prevented from occurring when the box temperature is lower than the dew point temperature of the surrounding environment. Attached Figure Description
[0018] Appendix Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;
[0019] Appendix Figure 2 This is another structural schematic diagram of an embodiment of the present utility model;
[0020] Appendix Figure 3 This is an exploded structural diagram of an embodiment of the present utility model.
[0021] The labels in the diagram are as follows:
[0022] 10-Liquid-cooled base plate, 20-Integrated frame, 30-Bottom protective plate, 40-Insulation cotton;
[0023] 11-Flow channel plate, 12-Flow channel cover plate, 13-Core-pulling riveting;
[0024] 111-Flow channel;
[0025] 121 - Inlet nozzle, 122 - Outlet nozzle;
[0026] 21-Crossbeam, 22-Longitudinal beam, 23-Auxiliary crossbeam, 24-Rivet nut;
[0027] 31- Bolt, 32- Groove, 33- Platform. Detailed Implementation
[0028] The present invention will be further described in detail below with reference to the accompanying drawings:
[0029] The embodiments described with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application. In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and 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 limiting this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature.
[0030] In the description of this application, "several" or "more than" means two or more, unless otherwise explicitly specified. In this application, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "fixed," etc., 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 application according to the specific circumstances.
[0031] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature. Example
[0032] like Figure 1-3 As shown, this application discloses a frame-integrated liquid-cooled enclosure, including a liquid-cooled base plate 10 and an integral frame 20 disposed on the liquid-cooled base plate 10. It also includes a bottom protective plate 30 disposed below the liquid-cooled base plate 10. A plurality of thermal insulation cotton 40 in static contact with the liquid-cooled base plate 10 are disposed between the bottom protective plate 30 and the liquid-cooled base plate 10. Through the above structural design, the thermal insulation cotton 40 disposed between the bottom protective plate 30 and the liquid-cooled base plate 10 improves the heat insulation and buffering performance of the liquid-cooled enclosure, reduces energy loss during transmission, and prevents condensation from occurring when the enclosure temperature is lower than the dew point temperature of the surrounding environment.
[0033] Specifically, the liquid-cooled base plate 10 is fixed to the integral frame 20 by a number of pull rivets 13. The pull rivets are used to fasten the liquid-cooled base plate and the frame, simplifying the assembly process.
[0034] Specifically, the liquid-cooled base plate 10 includes a flow channel plate 11 and a flow channel cover plate 12 covering the flow channel plate 11. The flow channel plate 11 is provided with a flow channel 111, and one end of the flow channel cover plate 12 is provided with an inlet nozzle 121 and an outlet nozzle 122 that are connected to the flow channel 111.
[0035] Specifically, the integrated frame 20 includes two crossbeams 21 and two longitudinal beams 22. A crossbeam 21 is connected between the two longitudinal beams 22 at their ends in the same direction. An auxiliary crossbeam 23 is provided on the inner side of each of the two crossbeams 21 to connect the two longitudinal beams 22. The auxiliary crossbeam is welded to the integrated frame to enhance the overall strength of the box and improve the overall rigidity.
[0036] Specifically, the end face of the auxiliary beam 23 relative to the liquid-cooled base plate 10 is lower than the end face of the beam 21 relative to the liquid-cooled base plate 10. Through the above structural design, the integrated frame is adapted to the shape of the battery pack, which facilitates the installation of the battery pack.
[0037] Specifically, the integrated frame 20 is provided with a plurality of rivet nuts 24 for subsequent assembly and fixing.
[0038] Specifically, the edge of the bottom guard plate 30 is fixed to the integral frame 20 by bolts 31. A groove 32 is provided on the bottom guard plate 30. Several platforms 33 protrude from the bottom of the groove 32. Each platform 33 is provided with a heat insulation cotton 40.
[0039] In summary, this utility model, through the above-described structural design, overcomes the shortcomings of the prior art and features a reasonable structure, guaranteed cooling efficiency, and strong practicality.
[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A frame-integrated liquid-cooled enclosure, comprising a liquid-cooled base plate (10) and an integral frame (20) disposed on the liquid-cooled base plate (10), characterized in that: It also includes a bottom protective plate (30) disposed below the liquid-cooled bottom plate (10), and a plurality of thermal insulation cotton (40) that are in static contact with the liquid-cooled bottom plate (10) are disposed between the bottom protective plate (30) and the liquid-cooled bottom plate (10).
2. The frame-integrated liquid-cooled housing according to claim 1, characterized in that: The liquid-cooled base plate (10) is fixed together with the integral frame (20) by a number of core-pulling rivets (13).
3. The frame-integrated liquid-cooled housing according to claim 2, characterized in that: The liquid-cooled base plate (10) includes a flow channel plate (11) and a flow channel cover plate (12) covering the flow channel plate (11). The flow channel plate (11) is provided with a flow channel (111), and one end of the flow channel cover plate (12) is provided with an inlet nozzle (121) and an outlet nozzle (122) that are connected to the flow channel (111).
4. The frame-integrated liquid-cooled housing according to claim 3, characterized in that: The integrated frame (20) includes two crossbeams (21) and two longitudinal beams (22). A crossbeam (21) is connected between the two longitudinal beams (22) at one end in the same direction. An auxiliary crossbeam (23) connecting the two longitudinal beams (22) is provided on the inner side of each of the two crossbeams (21).
5. The frame-integrated liquid-cooled housing according to claim 4, characterized in that: The end face of the auxiliary beam (23) relative to the liquid-cooled base plate (10) is lower than the end face of the beam (21) relative to the liquid-cooled base plate (10).
6. The frame-integrated liquid-cooled housing according to claim 5, characterized in that: The integrated frame (20) is provided with a number of rivet nuts (24).
7. The frame-integrated liquid-cooled housing according to claim 6, characterized in that: The edge of the bottom guard plate (30) is fixed to the integral frame (20) by bolts (31).
8. The frame-integrated liquid-cooled housing according to claim 7, characterized in that: The bottom protective plate (30) is provided with a number of platforms (33) on the side near the liquid-cooled bottom plate (10), and each platform (33) is provided with a thermal insulation cotton (40).
9. The frame-integrated liquid-cooled housing according to claim 8, characterized in that: A groove (32) is provided on the bottom guard plate (30), and a plurality of platforms (33) protrude from the bottom of the groove (32).