Vein type vehicle battery pack radiator

By designing a vein-type runner structure in a battery pack radiator for automobiles, including a main channel and a branch runner arranged in a spline curve, the problems of uneven heat dissipation and large pressure drop in the prior art are solved, and more efficient heat dissipation effect and a more uniform temperature field are achieved.

CN222763031UActive Publication Date: 2025-04-15GUANGZHOU JINJI METAL MFG CO LTD
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Patent Information

Application Number
CN202421263733.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-04-15
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

The existing automotive radiator designs have problems with uniform heat dissipation and pressure drop in thermal management, resulting in uneven temperature field of the coolant, which in turn affects the thermal management effect of the battery pack.

Method used

A leaf vein-type automotive battery pack radiator is designed. By setting the main flow path and the tributary passage in the heat dissipation runner and using the spline-curve branch passage to gradually reduce the diameter of the runner, thereby improving the uniformity and efficiency of heat dissipation.

Benefits of technology

This design improves the uniformity and efficiency of heat dissipation, reduces flow loss, improves the uniformity of the temperature field of the battery pack, and thus improves the thermal management effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a vein type vehicle battery pack radiator, which comprises a radiator body, a liquid inlet is arranged at one end of the radiator body, a liquid outlet is arranged at one end of the radiator body far away from the liquid inlet, a radiating flow channel is arranged in the radiator body, and the diameter of the radiating flow channel is sequentially reduced from the liquid inlet to the liquid outlet. The heat dissipation flow channel comprises a main flow channel and a plurality of branch flow channels, and the branch flow channels are arranged in a spline curve shape. According to the vein type vehicle battery pack radiator, the caliber of the liquid inlet of the cooling liquid is larger than that of the liquid outlet of the cooling liquid, the uniformity of heat dissipation is improved, the uniform efficiency of heat dissipation is improved, the flow loss is reduced, the uniformity of a temperature field of a vehicle battery pack is improved, the service life of the vehicle battery pack is prolonged, and the service life of the vehicle battery pack is prolonged. And the heat dissipation effect is improved, the voltage drop is reduced, and the thermal management effect of the vehicle thermal battery is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile radiator design, in particular to a leaf vein type vehicle battery pack radiator. Background Art

[0002] Thermal management is an important part of thermal management of battery packs for electric vehicles. With the continuous increase in driving range and the continuous improvement of battery energy density, thermal management has become its core technology. How to solve the problem of uniform heat dissipation and reduce voltage drop is the key issue.

[0003] Currently, due to the limitation of manufacturing technology, conventional automotive heat dissipation design adopts brazing and other methods, and the internal cooling liquid pipeline can only adopt straight and uniform streamline pipeline, which causes the liquid to have low temperature and high pressure when entering, high outlet temperature, large pressure loss, and the internal temperature field of the radiator is extremely uneven locally. It is further necessary to increase the inlet pressure of the heat dissipation fluid flow, which wastes energy. Therefore, it is necessary to propose a new technical solution. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the utility model provides a leaf vein type vehicle battery pack radiator, the purpose of which is to provide a leaf vein type vehicle battery pack radiator that improves heat dissipation uniformity and reduces the pressure drop of cooling liquid.

[0005] In order to achieve the above utility model purpose, the technical solution adopted by the utility model is:

[0006] A leaf vein type vehicle battery pack radiator comprises a radiator body, one end of the radiator body is provided with a liquid inlet, the end of the radiator body away from the liquid inlet is provided with a liquid discharge port, a heat dissipation channel is provided in the radiator body, and the diameter of the heat dissipation channel decreases from the liquid inlet to the liquid discharge port.

[0007] Furthermore, the heat dissipation channel includes a main channel and a plurality of branch channels.

[0008] Furthermore, the branch channel is arranged in a spline curve shape.

[0009] The beneficial effects of the utility model are:

[0010] The utility model discloses a leaf vein type vehicle battery pack radiator, in which the diameter of the coolant inlet is larger than that of the coolant discharge port, thereby improving the uniformity of heat dissipation and the uniform efficiency of heat dissipation. The branch flow channel is arranged in a spline curve shape, which improves the uniformity of heat dissipation, reduces flow losses, improves the uniformity of the temperature field of the vehicle battery pack, improves the heat dissipation effect and reduces the pressure drop, thereby improving the thermal management effect of the vehicle thermal battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1This is a schematic diagram of the structure of the leaf vein type vehicle battery pack radiator of the present utility model.

[0012] Reference table of reference numerals:

[0013] 1. Radiator body; 2. Liquid inlet; 3. Liquid drain port; 4. Heat dissipation channel; 5. Main channel; 6. Branch channel. DETAILED DESCRIPTION

[0014] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings, wherein the same parts are represented by the same reference numerals.

[0015] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0016] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0017] like Figure 1 As shown, a leaf vein type vehicle battery pack radiator includes a radiator body 1, a liquid inlet 2 is provided at one end of the radiator body 1, and a liquid discharge port 3 is provided at the end of the radiator body 1 away from the liquid inlet 2.

[0018] A heat dissipation channel 4 is provided in the radiator body 1 . The heat dissipation channel 4 is in a leaf vein shape and has a variable cross-section. The diameter of the heat dissipation channel 4 decreases from the liquid inlet 2 to the liquid outlet 3 .

[0019] The diameter of the coolant inlet 2 is larger than that of the coolant discharge port 3, thereby improving the uniformity of heat dissipation and improving the uniform efficiency of heat dissipation.

[0020] The heat dissipation channel 4 includes a main channel 5 and a plurality of branch channels 6 .

[0021] The branch flow channel 6 is arranged in a spline curve shape to improve the heat dissipation efficiency and reduce flow loss.

[0022] The branch channels 6 can be arranged in a sparse or dense manner according to the local heat level to improve the uniformity of heat dissipation.

[0023] The above description is only a preferred embodiment of the present utility model patent and is not intended to limit the present utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model patent shall be included in the protection scope of the present utility model patent.

Claims

1. A leaf vein type vehicle battery pack radiator, characterized in that: The radiator comprises a radiator body (1), wherein one end of the radiator body (1) is provided with a liquid inlet (2), an end of the radiator body (1) away from the liquid inlet (2) is provided with a liquid discharge port (3), and a heat dissipation channel (4) is provided inside the radiator body (1), wherein the diameter of the heat dissipation channel (4) decreases in sequence from the liquid inlet (2) to the liquid discharge port (3).

2. The leaf vein type vehicle battery pack radiator according to claim 1, characterized in that: The heat dissipation channel (4) comprises a main channel (5) and a plurality of branch channels (6).

3. The leaf vein type vehicle battery pack radiator according to claim 2, characterized in that: The branch channel (6) is arranged in a spline curve shape.