Liquid cooling plate with improved structural strength

Abstract

The utility model discloses a liquid cooling plate with improved structural strength, and belongs to the technical field of ram-type liquid cooling plate structures. In order to solve the problems that the cooling efficiency is reduced, the service life of a battery pack is shortened and potential safety hazards are increased due to the fact that the overall strength of the liquid cooling plate is insufficient, increase the structural strength of the overall cold plate and enable the liquid cooling plate to bear more battery core weight, the three-layer stamping type liquid cooling plate is additionally provided with a layer of reinforcing plate on the basis of an original cold plate; the reinforcing plate only plays a role in reinforcing the overall strength and does not play a role in increasing and reducing the temperature of the runner. Compared with partial position reinforcement in the prior art, the integrally covered reinforcement plate not only can reinforce the whole cold plate, but also enables the stress of the whole cold plate to be uniform, so that the cold plate cannot become uneven or even severely warped.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping type liquid cooling plate structures, in particular to a liquid cooling plate with increased structural strength. Background Art

[0002] With the rapid development of new energy electric vehicles, various new energy vehicles emerge in an endless stream, and the types of batteries regarded as the life of new energy vehicles are also increasing. As a result, the requirements for liquid cooling plates, key components in batteries, are also getting higher and higher. To improve the energy density of batteries, it mainly depends on optimizing the volume utilization of battery packs to accommodate more cells to increase the driving range. However, as the number of cells increases, the weight that the liquid cooling plate needs to bear also increases accordingly, which puts higher requirements on the strength of the liquid cooling plate. Increasing the number of cells may lead to reduced cooling efficiency and affect the working stability of the battery pack; while increasing the strength of the liquid cooling plate may sacrifice some lightweight requirements and affect the energy efficiency of the entire vehicle.

[0003] Under the existing technology, see Figure 6-7 Conventional stamped liquid cooling plates only have two layers of cold plates, the upper and lower layers. Liquid cooling plates with insufficient strength may cause poor flow of coolant, reduce cooling efficiency, and affect the working stability of the battery. Liquid cooling plates with insufficient strength may deform during long-term use, causing damage to the battery cells inside the battery pack, thereby shortening the life of the battery pack. At the same time, when subjected to external force impact, cracks, leakage, etc. may occur, which may not only affect the operation of the battery, but also cause safety accidents. Utility Model Content

[0004] The utility model aims to provide a liquid cooling plate with increased structural strength, which can solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a liquid cooling plate with increased structural strength, comprising a three-layer stamped liquid cooling plate, the three-layer stamped liquid cooling plate is composed of a reinforcement plate, a lower cold plate and an upper cold plate, the lower cold plate is arranged at the bottom of the upper cold plate, and the reinforcement plate is arranged at the bottom of the lower cold plate.

[0006] Preferably, the reinforcing plate entirely covers the bottom of the lower cold plate.

[0007] Preferably, the lower cold plate is a stamped flow channel layer.

[0008] Preferably, a curved groove is formed by stamping on the lower cold plate, air holes and positioning holes are provided on the lower cold plate, and a liquid inlet hole and a liquid outlet hole are provided on the curved groove.

[0009] Preferably, the upper cold plate is a flat plate layer.

[0010] Preferably, a connecting hole is provided on the upper cold plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model adds a reinforcing plate on the basis of a conventional liquid cooling plate, and the reinforcing plate is arranged at the bottom of the lower cold plate. The reinforcing plate covers the bottom of the lower cold plate as a whole. In order to increase the structural strength of the overall cold plate and allow the liquid cooling plate to bear more battery cell weight, the three-layer stamped liquid cooling plate of the utility model adds a layer of reinforcing plate on the basis of the original cold plate. The reinforcing plate only plays a role in reinforcing the overall strength and does not play a role in increasing the flow channel and cooling. Compared with the partial reinforcement in the prior art, this overall covering reinforcing plate plays a role in reinforcing the entire cold plate, making the stress of the entire cold plate average, and preventing the cold plate from becoming uneven or even severely warped. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a three-layer stamped liquid cooling plate of the utility model;

[0014] Figure 2 It is a schematic diagram of the reinforcing plate structure of the three-layer stamping liquid cooling plate of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the lower cold plate of the three-layer stamped liquid cold plate of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the upper cold plate of the three-layer stamping liquid cold plate of the utility model;

[0017] Figure 5 For this utility model Figure 1 A is an enlarged schematic diagram;

[0018] Figure 6 This is a schematic diagram of the structure of a conventional stamped liquid cooling plate;

[0019] Figure 7 for Figure 6 The enlarged schematic diagram of point B in FIG.

[0020] In the figure: 1. three-layer stamped liquid cooling plate; 2. reinforcement plate; 3. lower cooling plate; 31. bending groove; 32. air hole; 33. positioning hole; 4. upper cooling plate; 41. connection hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In order to solve the technical problem that the overall strength of the liquid cooling plate is insufficient, which may lead to reduced cooling efficiency, reduced battery pack life and increased safety hazards, please refer to Figure 1-5 , this utility provides the following technical solutions:

[0023] A liquid cooling plate with increased structural strength comprises a three-layer stamped liquid cooling plate 1, wherein a reinforcing plate 2, a lower cold plate 3 and an upper cold plate 4 are arranged inside the three-layer stamped liquid cooling plate 1, wherein the lower cold plate 3 is arranged at the bottom of the upper cold plate 4, and the reinforcing plate 2 is arranged at the bottom of the lower cold plate 3.

[0024] The reinforcing plate 2 is entirely covered on the bottom of the lower cold plate 3. The lower cold plate 3 is a stamped flow channel layer. A curved groove 31 is stamped on the lower cold plate 3, and an air hole 32 and a positioning hole 33 are opened on the lower cold plate 3. A liquid inlet hole and a liquid outlet hole are opened on the curved groove 31. The upper cold plate 4 is a flat plate layer. A connecting hole 41 is opened on the upper cold plate 4.

[0025] See also Figure 6-7 The conventional stamped liquid cooling plate under the existing technology is divided into upper and lower cold plates. The structural strength of the conventional stamped liquid cooling plate mainly depends on the strength of the upper and lower cold plate materials themselves and the strength of the flow channel plate reinforcement ribs in the cold plate, and the overall strength is limited.

[0026] See also Figure 1-5 In order to increase the structural strength of the overall cold plate and allow the liquid cold plate to bear more battery cell weight, the three-layer stamped liquid cold plate 1 of the utility model adds a reinforcing plate 2 on the basis of the original cold plate. The reinforcing plate 2 only plays a role in reinforcing the overall strength and does not play a role in increasing the flow channel and cooling. Compared with the partial reinforcement in the prior art, this overall covering reinforcing plate 2 not only reinforces the entire cold plate, but also makes the stress of the entire cold plate average, so that the cold plate will not become uneven or even seriously warped.

[0027] The working principle of the above content is: by changing the traditional two-layer liquid cooling plate to a three-layer structure, the overall structural strength of the three-layer stamped liquid cooling plate 1 is greatly improved. Especially when it is necessary to carry heavy objects or in a high-load working environment, this design can ensure the stability and durability of the three-layer stamped liquid cooling plate 1 and prevent damage caused by uneven stress distribution.

[0028] By arranging a reinforcement plate 2, a lower cold plate 3 and an upper cold plate 4 in the three-layer stamped liquid cooling plate 1, a more effective heat transfer is achieved. The lower cold plate 3 is designed as a stamped flow channel layer, which can better guide the flow of coolant and improve the heat dissipation efficiency. At the same time, the upper cold plate 4, as a flat layer, also helps to enhance the heat dissipation effect. The reinforcement plate 2 can be customized according to actual needs to meet the requirements for the strength of the liquid cooling plate in different application scenarios. This design is highly flexible and can adapt to a variety of different usage environments and conditions.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A liquid cooling plate with increased structural strength, comprising a three-layer stamped liquid cooling plate (1), characterized in that: The three-layer stamped liquid cooling plate (1) is composed of a reinforcing plate (2), a lower cooling plate (3) and an upper cooling plate (4); the lower cooling plate (3) is arranged at the bottom of the upper cooling plate (4), and the reinforcing plate (2) is arranged at the bottom of the lower cooling plate (3).

2. A liquid cooling plate with increased structural strength according to claim 1, characterized in that: The reinforcing plate (2) entirely covers the bottom of the lower cold plate (3).

3. The liquid cooling plate with increased structural strength according to claim 1, characterized in that: The lower cold plate (3) is a stamping flow channel layer.

4. A liquid cooling plate with increased structural strength according to claim 3, characterized in that: A curved groove (31) is formed by stamping on the lower cold plate (3), an air hole (32) and a positioning hole (33) are provided on the lower cold plate (3), and a liquid inlet hole and a liquid outlet hole are provided on the curved groove (31).

5. The liquid cooling plate with increased structural strength according to claim 1, characterized in that: The upper cold plate (4) is a flat plate layer.

6. A liquid cooling plate with increased structural strength according to claim 5, characterized in that: The upper cold plate (4) is provided with a connecting hole (41).

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