Structure for improving heat exchange performance of liquid cooling plate
By setting up a boss and a joint on the flat end surface of the liquid-cooled plate, and adjusting the outer diameter of the joint end and the flat structure characteristics to form an integrated molding structure, the problem of obstruction of the fluidity of the coolant in the liquid-cooled plate structure is solved, and the heat exchange performance of the liquid-cooled plate is significantly improved, extending the service life of the battery and the endurance of new energy vehicles are extended.
Patent Information
- Application Number
- CN202420558208.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-21
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-03-21
AI Technical Summary
The conventional liquid-cooled plate structure cannot meet the high-demand heat exchange performance indicators during the development and verification stage. The pressure loss of the coolant at the inlet and outlet position leads to hindering the fluidity, affecting the heat exchange performance.
By setting up a boss on the flat plate end surface of the liquid-cooled plate and setting a joint at the other end away from the boss, the joint end is arranged between the joint and the boss, the outer diameter of the joint end and the flat plate structure characteristics are adjusted to form an integrated molding structure, and the connection is fixed through brazing to increase the flow space at the inlet and outlet positions.
It improves the fluidity of the coolant, improves the heat exchange performance of the liquid-cooled plate, effectively improves the heat exchange performance of the battery module under harsh working conditions, and extends the service life of the battery and the endurance of new energy vehicles.
Smart Images

Figure CN222690772U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of liquid cooling plates, in particular to a structure for improving the heat exchange performance of liquid cooling plates. Background Art
[0002] At present, the conventional liquid cooling plate structure cannot meet some high-demand heat exchange performance indicators during the development and verification stage. Through analysis, it is found that there is a large pressure loss of the coolant at the inlet and outlet positions, which leads to the obstruction of fluidity, thus affecting the heat exchange performance of the liquid cooling plate. Utility Model Content
[0003] The purpose of the utility model is to provide a structure for improving the heat exchange performance of a liquid cooling plate, so as to solve the problems raised in the above-mentioned background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a structure for improving the heat exchange performance of a liquid cooling plate, comprising a flat plate and a flow channel plate at its lower portion, wherein a boss is provided on the end face of the flat plate, a joint is provided on the other end of the boss away from the flat plate, and a joint end is provided between the joint and the boss.
[0005] For further optimization, the boss and the flat plate are an integrally formed structure, and the boss is formed by stamping.
[0006] Further optimized, the outer diameter of the joint end is larger than the outer diameter of the joint.
[0007] Further optimized, the clearance between the joint end and the boss 1 is between +0.05 and +0.12 mm.
[0008] Further optimized, the boss is fixedly connected to the joint end and the joint by brazing.
[0009] Beneficial Effects
[0010] The structure for improving the heat exchange performance of the liquid cooling plate provided by the utility model increases the flow space of the entire inlet and outlet positions by adjusting the outer diameter size of the joint end and the structural characteristics of the flat plate, thereby improving the fluidity of the internal coolant and improving the heat exchange performance of the liquid cooling plate. The battery module often causes a series of problems due to heat under harsh working conditions. The heat exchange performance of the system can be effectively improved to increase the service life of the battery and the endurance of the new energy vehicle. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic cross-sectional view of the overall structure of the utility model.
[0012] Reference numerals
[0013] 1- boss, 2- connector end, 3- connector, 4- flat plate, 5- flow channel plate. DETAILED DESCRIPTION
[0014] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0015] Example
[0016] like Figure 1 As shown, a structure for improving the heat exchange performance of a liquid cooling plate is characterized in that it includes a flat plate 4 and a flow channel plate 5 at its lower portion, a boss 1 is provided on the end face of the flat plate 4, a joint 3 is provided at the other end of the boss 1 away from the flat plate 4, and a joint end 2 is provided between the joint 3 and the boss 1.
[0017] In this embodiment, the boss 1 and the flat plate 4 are an integrally formed structure, the boss 1 is formed by stamping, the outer diameter of the joint end 2 is larger than the outer diameter of the joint 3, the gap between the joint end 2 and the boss 1 is between +0.05 and +0.12 mm, and the boss 1 is fixedly connected to the joint end 2 and the joint 3 by brazing.
[0018] The boss needs to be formed by flat plate stamping; the outer diameter of the joint end needs to be expanded by equipment, and the outer diameter of the joint end is larger than the outer diameter of the joint after completion; the gap between the outer diameter of the joint end and the flat plate mounting hole needs to be controlled within (+0.05~+0.12), and after assembly, brazing connection is performed. Battery modules often cause a series of problems due to heat under harsh working conditions, which can effectively improve the heat exchange performance of the system to improve the service life of the battery and the endurance of new energy vehicles.
[0019] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the utility model content within the protection scope of the utility model.
Claims
1. A structure for improving the heat exchange performance of a liquid cooling plate, characterized in that: It comprises a flat plate (4) and a flow channel plate (5) below it, wherein the end surface of the flat plate (4) is provided with a boss (1), the other end of the boss (1) away from the flat plate (4) is provided with a joint (3), and a joint end (2) is provided between the joint (3) and the boss (1).
2. The structure for improving the heat exchange performance of a liquid cooling plate according to claim 1, characterized in that: The boss (1) and the flat plate (4) are an integrally formed structure, and the boss (1) is formed by stamping.
3. The structure for improving the heat exchange performance of a liquid cooling plate according to claim 1, characterized in that: The outer diameter of the joint end (2) is greater than the outer diameter of the joint (3).
4. The structure for improving the heat exchange performance of a liquid cooling plate according to claim 1, characterized in that: The clearance between the joint end (2) and the boss (1) is between +0.05 and +0.12 mm.
5. The structure for improving the heat exchange performance of a liquid cooling plate according to claim 1, characterized in that: The boss (1) is fixedly connected to the joint end (2) and the joint (3) by brazing.