Side cold battery box body with cold plate

By designing liquid cooling plates and reinforcing beam structures in the battery box, the problem of low liquid cooling heat dissipation efficiency in the battery box was solved, achieving more efficient temperature control and improved structural strength, thereby enhancing the safety and fast charging performance of the battery pack.

CN223712847UActive Publication Date: 2025-12-23马鞍山众翌科技有限公司
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Patent Information

Application Number
CN202423107896.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-23
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing liquid cooling products for battery boxes suffer from uneven temperature distribution and poor heat dissipation efficiency.

Method used

Design a side-cooled battery box with a cold plate. The liquid cooling plate is fixedly connected to the mounting base plate and a liquid cooling tank is set on the liquid cooling plate to exchange heat with cooling water. At the same time, the structural strength and support are enhanced by reinforcing beams.

Benefits of technology

It improves the heat dissipation efficiency of the battery pack, shortens the cell temperature control time, solves the problems of temperature differences within the battery pack and excessive temperature differences between the top and bottom, and enhances the overall structural strength and safety of the battery box.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of battery box bodies, and discloses a side cold battery box body with cold plates, which comprises a mounting bottom plate, two mounting plates are fixedly connected on the mounting bottom plate, a plurality of liquid cooling plates are fixedly connected between the two mounting plates, a first connecting pipe is arranged below the liquid cooling plates, and a second connecting pipe is arranged below the first connecting pipe. According to the side cold battery box body with the cold plates, the plurality of liquid cooling plates are perpendicular to the mounting bottom plate and are fixedly mounted between the two mounting plates, then cooling water is introduced into liquid cooling grooves in the liquid cooling plates, and then a battery pack is mounted on the mounting bottom plate, so that the liquid cooling plates are arranged in the middle of a battery cell, and the heat exchange area is enlarged by multiple times; the temperature control time of the battery cell is shortened by half through large-surface cooling of the battery cell, meanwhile, the temperature difference between different batteries in the battery pack can be solved, the problem that the temperature difference between the tops and the bottoms of the batteries is too high can be solved, and the heat dissipation efficiency is fully improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to battery box technology field, concretely relates to a side cooling battery box with cold plate. BACKGROUND

[0002] Battery box as electric core, electrical component, high low voltage connection wire harness carrier, protects whole battery module. Battery box can insulate battery module from outside environment, ensures that battery does not receive corrosion in the driving process, better guarantee the performance stability of whole automobile battery. Meanwhile battery box can also insulate the contact of people and battery, improves safety protection level and the driving process of vehicle and plays the role of anticollision, waterproof dustproof, fireproof etc.

[0003] The existing energy storage equipment has higher and higher requirements for heat dissipation performance, and the original structure is improved. In the existing battery box liquid cooling heat dissipation product, although the liquid cooling plate can effectively transfer heat through the internal flow channel circulating cooling liquid, there are problems of uneven temperature distribution and poor heat dissipation efficiency. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of side cooling battery box with cold plate, solve the deficiencies in the above background technology.

[0005] The purpose of the utility model can be realized by the following technical solutions:

[0006] A kind of side cooling battery box with cold plate, comprising:

[0007] Mounting bottom plate, the mounting bottom plate is fixedly connected with two mounting plates, a plurality of liquid cooling plates are fixedly connected between the two mounting plates, the lower of the liquid cooling plate is provided with first connecting pipe, the first connecting pipe is fixedly connected with water inlet pipe fixedly connected with mounting bottom plate in one end, the upper of the liquid cooling plate is provided with second connecting pipe, the second connecting pipe is fixedly connected with water outlet pipe fixedly connected with mounting plate in one end, liquid cooling groove is set on the liquid cooling plate.

[0008] As a further scheme of the utility model: the outer surface of the liquid cooling plate is sprayed with insulating coating.

[0009] As a further scheme of the utility model: the top of the mounting bottom plate is fixedly connected with the first reinforcing beam fixedly connected with the liquid cooling plate.

[0010] As a further scheme of the utility model: the periphery of the mounting bottom plate is fixedly connected with the second reinforcing beam, and the second reinforcing beam is riveted with the bottom plate.

[0011] As a further scheme of the utility model: the top of the second reinforcing beam is fixedly connected with protective cover through bolt.

[0012] As a further scheme of the utility model: the inner and outer surfaces of the protective cover are sprayed with insulating coating.

[0013] The utility model discloses the beneficial effect:

[0014] (1) through the vertical with the installation bottom plate fixed installation between two mounting plates of multiple liquid cooling plates, then the liquid cooling tank in the liquid cooling plate is passed in cooling water, then the battery pack is installed on the installation bottom plate, so that the liquid cooling plate is placed in the battery cell middle, makes the heat exchange area expansion multiple, and the battery cell large surface cooling will shorten the battery cell temperature control time by half, can not only solve the temperature difference between different batteries in the battery pack, can also solve the problem of the temperature difference of the top and bottom of the battery, and the heat dissipation efficiency is improved fully.

[0015] (2) through the first strengthening beam and fix the liquid cooling plate of installation, improve the support of liquid cooling plate, and the cooperation of second strengthening beam again, make the protective cover better and the second strengthening beam and the installation bottom plate between the connection, improve the strength of the overall structure of the battery box, realize the optimization and reinforcement to the whole box body structure. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described below in combination with the drawings.

[0017] Figure 1 It is the external structure perspective drawing of the utility model;

[0018] Figure 2 It is the internal structure perspective drawing of the utility model;

[0019] Figure 3 It is the internal structure section view of the utility model.

[0020] In the drawing: 1, installation bottom plate;2, mounting plate;3, liquid cooling plate;4, first connecting pipe;5, water inlet pipe;6, second connecting pipe;7, water outlet pipe;8, liquid cooling tank;9, first strengthening beam;10, second strengthening beam;11, protective cover. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of protection of the utility model.

[0022] Embodiment one

[0023] Please refer to Figures 1-3The utility model discloses a side cooling battery box body with cold plate,

[0024] Including installation bottom plate 1, the top fixed connection of installation bottom plate 1 has two mounting plates 2, a plurality of liquid cooling plates 3 are fixedly connected between two mounting plates 2, and the lower portion of liquid cooling plate 3 is provided with first connecting pipe 4, and one end of first connecting pipe 4 is fixedly connected with the water inlet pipe 5 fixedly connected with installation bottom plate 1, the upper portion of liquid cooling plate 3 is provided with second connecting pipe 6, and one end of second connecting pipe 6 is fixedly connected with the water outlet pipe 7 fixedly connected with mounting plate 2, and the liquid cooling groove 8 is seted up on liquid cooling plate 3.

[0025] by fixing installation bottom plate 1 vertically with a plurality of liquid cooling plates 3 between two mounting plates 2, and connecting water inlet pipe 5 and water outlet pipe 7 with water outlet and water inlet of water cooler, water cooler is prior art, so here do not make too much superfluous words, then the battery pack is placed between liquid cooling plate 3 and mounting plate 2, and the liquid cooling plate 3 is placed between the battery, then start water cooler, and the water cooler passes through the water outlet and passes into the water inlet pipe 5, then the water inlet pipe 5 passes through the first connecting pipe 4 and passes into the liquid cooling groove 8 on the liquid cooling plate 3, so that the cooling water is evenly entered into the liquid cooling plate 3, and the liquid cooling plate 3 absorbs heat generated by the battery to cool the battery, then the water after heat absorption enters into the water outlet pipe 7 through the second connecting pipe 6, then the water outlet pipe 7 enters into the water cooler through the water inlet on the water cooler to cool, so that the liquid cooling plate 3 is placed in the middle of the battery cell, so that the heat exchange area is expanded by several times, the cooling of the battery cell reduces the temperature control time of the battery cell by half, in the extreme case, such as heat runaway, the battery cell can be quickly cooled, and the abnormal heat conduction between the battery cells is effectively blocked. At the same time, the contact area is increased, the liquid cooling effect is obviously improved, the safety and fast charging performance are improved. Temperature control precision is also a big feature of liquid cooling heat dissipation, which can not only solve the temperature difference between different batteries in the battery pack, but also solve the problem of too high temperature difference between the top and bottom of the battery, and fully improve the heat dissipation efficiency.

[0026] Example two

[0027] Please refer to Figure 1 And Figure 2 As shown in the liquid cooling plate 3, the outer surface of the liquid cooling plate 3 is sprayed with an insulating coating, the top of the installation bottom plate 1 is fixedly connected with the first reinforcing beam 9 fixedly connected with the liquid cooling plate 3, and the four periphery of the installation bottom plate 1 is fixedly connected with the second reinforcing beam 10, the second reinforcing beam 10 is riveted with the bottom plate, the top of the second reinforcing beam 10 is fixedly connected with the protective cover 11 through bolts, and the inner and outer surfaces of the protective cover 11 are sprayed with insulating coating.

[0028] The installed liquid cooling plate 3 is fixed and reinforced through the first reinforcing beam 9, the support property of the liquid cooling plate 3 is improved, meanwhile, the protective cover 11 is better connected between the second reinforcing beam 10 and the mounting bottom plate 1 through cooperation of the second reinforcing beam 10, the strength of the overall structure of the battery box is improved, and the whole box body structure is optimized and reinforced.

[0029] The working principle of the utility model is: multiple liquid cooling plates 3 are fixedly installed between two mounting plates 2 vertically with a mounting bottom plate 1, meanwhile, a water inlet pipe 5 and a water outlet pipe 7 are connected with a water outlet and a water inlet of a water cooling machine, the water cooling machine is prior art, so too much description is not made here, then a battery pack is placed between the liquid cooling plates 3 and the mounting plates 2, the liquid cooling plates 3 are placed between the batteries, then the water cooling machine is started, the water cooling machine passes through the water outlet and passes cold water into the water inlet pipe 5, then the water inlet pipe 5 passes water into the liquid cooling groove 8 on the liquid cooling plate 3 through the first connecting pipe 4, so that the cooling water is uniformly entered into the liquid cooling plate 3, the liquid cooling plate 3 absorbs heat generated by the battery to cool the battery, then the water after heat absorption enters into the water outlet pipe 7 through the second connecting pipe 6, then the water outlet pipe 7 passes water into the water cooling machine through the water inlet on the water cooling machine to cool, so that the liquid cooling plate 3 is placed in the middle of the battery cell, the heat exchange area is expanded by multiple times, the battery cell cooling shortens the temperature control time of the battery cell by half, in an extreme case, such as a thermal runaway, the battery cell can be quickly cooled, effectively blocking abnormal heat conduction between the battery cells. At the same time, the contact area is increased, the liquid cooling effect is obviously improved, the safety and fast charging performance are improved. The temperature control is accurate, which is also a big feature of liquid cooling heat dissipation, and the temperature difference between different batteries in the battery pack can be solved, and the temperature difference between the top and bottom of the battery can also be solved, and the heat dissipation efficiency is improved.

[0030] The installed liquid cooling plate 3 is fixed and reinforced through the first reinforcing beam 9, the support property of the liquid cooling plate 3 is improved, meanwhile, the protective cover 11 is better connected between the second reinforcing beam 10 and the mounting bottom plate 1 through cooperation of the second reinforcing beam 10, the strength of the overall structure of the battery box is improved, and the whole box body structure is optimized and reinforced.

[0031] The above embodiment of the utility model is described in detail, but the content described can only be the preferred embodiment of the utility model, and cannot be considered as limiting the implementation range of the utility model. Any equivalent change and improvement within the scope of the utility model application should still belong to the patent coverage range of the utility model.

Claims

1. A side cooling battery case with a cold plate, characterized by, Include: The installation bottom plate (1) is fixedly connected with two installation plates (2), a plurality of liquid cooling plates (3) are fixedly connected between the two installation plates (2), a first connecting pipe (4) is arranged below the liquid cooling plate (3), one end of the first connecting pipe (4) is fixedly connected with a water inlet pipe (5) fixedly connected with the installation bottom plate (1), a second connecting pipe (6) is arranged above the liquid cooling plate (3), one end of the second connecting pipe (6) is fixedly connected with a water outlet pipe (7) fixedly connected with the installation plate (2), and a liquid cooling groove (8) is formed in the liquid cooling plate (3).

2. A side cooling battery case with cold plates according to claim 1, characterized in that, The outer surface of the liquid cooling plate (3) is sprayed with an insulating coating.

3. A side cooling battery case with cold plates according to claim 1, characterized in that, The top of the installation bottom plate (1) is fixedly connected with a first reinforcing beam (9) fixedly connected with the liquid cooling plate (3).

4. The side cooling battery case with cold plates of claim 1, wherein, The periphery of the installation bottom plate (1) is fixedly connected with a second reinforcing beam (10), and the second reinforcing beam (10) is riveted with the bottom plate.

5. A side cooling battery case with cold plates according to claim 4, characterized in that, The top of the second reinforcing beam (10) is fixedly connected with a protective cover (11) through bolts.

6. A side cooling battery case with cold plates according to claim 5, characterized in that, The inner and outer surfaces of the protective cover (11) are sprayed with an insulating coating.