Battery pack heat conduction pad mounting device

By using a rolling device with a mounting bracket and a rolling rod assembly on the battery pack, the problem of bubbles generated when the thermal pad is manually attached is solved, achieving efficient and bubble-free thermal pad attachment, and improving the temperature uniformity and service life of the battery pack.

CN223363180UActive Publication Date: 2025-09-19XINYI POWER (SUZHOU) CO LTD
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Patent Information

Application Number
CN202422478967.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-09-19
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

In the prior art, manually attaching thermal pads during battery pack assembly can easily generate bubbles, resulting in poor thermal conductivity and uneven battery pack temperature, affecting the function and service life of the battery pack.

Method used

A battery pack thermal pad installation device is used, including a mounting bracket and a rolling rod assembly. The thermal pad is attached to the liquid cooling plate through the rolling action of the rolling rod assembly, avoiding the generation of bubbles and improving the attachment efficiency and effect.

Benefits of technology

The attachment efficiency and effect of the thermal pad are improved, the temperature uniformity of the battery pack is enhanced, the service life of the battery pack is extended, and the production cost caused by multiple attachments is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The battery pack heat conduction pad mounting device provided by the utility model is arranged on the liquid cooling plate, the battery pack heat conduction pad mounting device comprises the mounting bracket and the rolling rod assembly which are arranged on the liquid cooling plate, the rolling rod assembly is movably arranged on the mounting bracket, and the rolling rod assembly can be convenient for an operator to roll and attach a heat conduction pad; the attaching effect and the attaching efficiency of the heat conduction pad are improved, bubbles are prevented from being generated in the attaching process of the heat conduction pad, the temperature uniformity of the battery pack is improved, the service life of the battery pack is prolonged, and the problem of high production cost caused by repeated attaching of the heat conduction pad is solved; according to the battery pack heat-conducting pad mounting device provided by the utility model, an operator can conveniently attach the heat-conducting pad to the battery pack, so that the heat-conducting pad attaching efficiency is improved, the heat-conducting pad attaching effect is improved, and the temperature uniformity of the battery pack is improved.
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Description

Technical Field

[0001] The utility model belongs to the field of battery pack assembly, and specifically relates to a battery pack thermal pad installation device. Background Art

[0002] During battery pack assembly, thermal pads need to be attached to the pack. These conduct heat generated by the pack to the heat sink or outer casing, reducing the pack's temperature and preventing overheating. This ensures consistent temperatures among the individual cells within the pack, avoiding performance degradation and safety hazards caused by large temperature differences and extending the battery's lifespan. In existing technology, thermal pads are typically attached by hand, which can easily create bubbles and lead to poor pad attachment, affecting the pad's thermal conductivity and resulting in poor temperature uniformity in the battery pack, impacting both its functionality and its lifespan.

[0003] To solve the above problems, patent document 115000578A discloses a battery module, a battery pack and a thermal management system, wherein the battery module includes a battery cell assembly, a cooling plate assembly and a water pipe assembly, wherein the battery cell assembly includes a plurality of battery cells, and the battery cells are arranged in an array of N rows and M columns; an interval space is formed between two adjacent rows of battery cells, and a cooling plate assembly is provided in each interval space, and each group of cooling plate assemblies includes a cooling plate and two thermal pads, which are symmetrically arranged on both sides of the cooling plate, and one side of the thermal pad is attached to the side of the cooling plate in the longitudinal direction, and the other side of the same thermal pad is attached to the side of the M battery cells in the same row in the longitudinal direction; a water flow channel is opened inside the cooling plate, and the water pipe assembly is connected to the cooling plate, and the water pipe assembly is used to guide cooling water into the water flow channel, but it cannot solve the above problems. Utility Model Content

[0004] The present invention is designed to solve the above-mentioned problems and aims to provide a battery pack thermal pad installation device that facilitates operators to attach the thermal pad to the battery pack, can improve the thermal pad attachment efficiency, can improve the thermal pad attachment effect, and can improve the temperature uniformity of the battery pack. In order to achieve the above-mentioned objectives, the technical solutions adopted by the present invention are as follows:

[0005] The utility model provides a battery pack thermal pad installation device, which is arranged on a liquid cooling plate and has the following characteristics: it comprises a mounting bracket and a rolling rod assembly, the mounting bracket is arranged on the liquid cooling plate, and the rolling rod assembly is movably arranged on the mounting bracket.

[0006] The battery pack thermal pad installation device provided by the present invention may also have the following feature: the installation bracket includes a connecting rod and a side plate, and the end of the connecting rod is connected to one side of the side plate.

[0007] The battery pack thermal pad installation device provided by the present invention may also have such a feature that a slide groove is provided on the side plate, and the rolling rod assembly can be movably arranged in the slide groove.

[0008] The battery pack thermal pad installation device provided by the present invention may also have such a feature that the rolling rod assembly includes a first rolling rod and a second rolling rod, the end of the first rolling rod can be movably set in the slide groove, and the end of the second rolling rod can be movably set in the slide groove.

[0009] The battery pack thermal pad installation device provided by the present invention may also have such a feature that a handle is provided on each connecting rod.

[0010] The battery pack thermal pad installation device provided by the present invention may also have the following feature: a positioning hole is provided on the connecting rod, and a positioning pin is passed through the positioning hole.

[0011] The battery pack thermal pad installation device provided by the present invention may also have such a feature that a limiting protrusion is provided at the bottom of the connecting rod.

[0012] The technical effect of the present invention is: the battery pack thermal pad installation device provided by the present invention is arranged on the liquid cooling plate, and the battery pack thermal pad installation device includes a mounting bracket and a rolling rod assembly arranged on the liquid cooling plate, and the rolling rod assembly is movably arranged on the mounting bracket. The rolling rod assembly can facilitate the operator to roll and attach the thermal pad, thereby improving the attachment effect and attachment efficiency of the thermal pad, avoiding the generation of bubbles in the thermal pad during the attachment process, improving the temperature uniformity of the battery pack, and improving the service life of the battery pack, and avoiding the problem of high production cost caused by multiple attachments of the thermal pad.

[0013] Therefore, the battery pack thermal pad installation device provided by the present invention facilitates operators to attach the thermal pad to the battery pack, improves the thermal pad attachment efficiency, improves the thermal pad attachment effect, and improves the temperature uniformity of the battery pack. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] This manual includes the following drawings, which show the following contents:

[0015] Figure 1 It is a structural schematic diagram of a battery pack thermal pad installation device in an embodiment of the present utility model;

[0016] Figure 2 This is an exploded view of a battery pack thermal pad mounting device in an embodiment of the present invention;

[0017] Figure 3 This is a schematic diagram of the structure of the battery pack thermal pad installation device during the attachment process in the embodiment of the utility model. Figure 1 ;

[0018] Figure 4 This is a schematic diagram of the structure of the battery pack thermal pad installation device during the attachment process in the embodiment of the utility model. Figure 2 .

[0019] Marked in the figure: 1-liquid cooling plate, 2-thermal pad, 3-top protective film, 10-mounting bracket, 11-connecting rod, 111-limiting protrusion, 12-side panel, 13-slide groove, 14-handle, 15-positioning hole, 16-positioning pin, 20-rolling rod assembly, 21-first rolling rod, 22-second rolling rod. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the specific implementation methods of the present invention through the description of the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and to facilitate their implementation.

[0021] Figure 1 It is a structural schematic diagram of a battery pack thermal pad installation device in an embodiment of the present utility model; Figure 2 This is an exploded view of a battery pack thermal pad mounting device in an embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of the battery pack thermal pad installation device during the attachment process in the embodiment of the utility model. Figure 1 ; Figure 4 This is a schematic diagram of the structure of the battery pack thermal pad installation device during the attachment process in the embodiment of the utility model. Figure 2 .

[0022] like Figure 1 and Figure 2 As shown, the battery pack thermal pad installation device provided by the present invention is arranged on the liquid cooling plate 1, and the battery pack thermal pad installation device includes a mounting bracket 10 and a rolling rod assembly 20 arranged on the liquid cooling plate 1. The rolling rod assembly 20 is movably arranged on the mounting bracket 10, as shown in FIG. Figure 3 and Figure 4 As shown, the rolling rod assembly 20 can facilitate the operator to roll and attach the thermal pad 2, thereby improving the attachment effect and efficiency of the thermal pad 2, avoiding the generation of bubbles in the thermal pad 2 during the attachment process, improving the temperature uniformity of the battery pack, increasing the service life of the battery pack, and avoiding the problem of high production costs caused by multiple re-attachments of the thermal pad.

[0023] The mounting bracket 10 includes a connecting rod 11 and a side plate 12. The end of the connecting rod 11 is connected to one side of the side plate 12. The two connecting rods 11 are respectively arranged on both sides of the side plate 12. The two side plates 12 are arranged parallel to each other, so that the mounting bracket 10 is rectangular in shape, which is adapted to the size of the thermal pad 2.

[0024] The side panels 12 are provided with a slide groove 13, which is arranged on the side of the two side panels 12 that is close to each other. The rolling rod assembly 20 is movably arranged in the slide groove 13. The rolling rod assembly 20 includes a first rolling rod 21 and a second rolling rod 22. The two ends of the first rolling rod 21 are respectively slidably arranged in the slide grooves 13 of the two side panels 12, and the two ends of the second rolling rod 22 are respectively slidably arranged in the slide grooves 13 of the two side panels 12, so that the first rolling rod 21 and the second rolling rod 22 can slide in the slide groove 13. The first rolling rod 21 and the second rolling rod 22 work together to improve the installation and attachment effect and attachment efficiency of the thermal pad 2. A reinforcing rib is provided on the side of the side panel 12 away from the slide groove 13 to enhance the structural strength of the side panel 12, prevent the side panel 12 from bending, and avoid affecting the attachment of the thermal pad 2.

[0025] A handle 14 is provided on the connecting rod 11, which is convenient for the operator to hold, convenient for the operator to take the mounting bracket 10, and convenient for the operator to transfer and place the mounting bracket 10 before and after the process of attaching the thermal pad 2, thereby improving the reliability of the structure.

[0026] The connecting rod 11 is provided with a positioning hole 15, and a positioning pin 16 is passed through the positioning hole 15. The positioning hole 15 corresponds to the hole position on the liquid cooling plate 1, and the positioning pin 16 is passed through the positioning hole 15 and the hole position of the liquid cooling plate 1, thereby connecting the mounting bracket 10 to the liquid cooling plate 1, preventing the mounting bracket 10 from shaking and shifting during the attachment process of the thermal pad 2, further ensuring the installation and attachment effect and attachment efficiency of the thermal pad 2, and improving the attachment accuracy of the thermal pad 2. The bottom of the connecting rod 11 is provided with a limiting protrusion 111, which abuts the liquid cooling plate 1, thereby further preventing the mounting bracket 10 from shaking and shifting.

[0027] When attaching and installing the thermal pad 2 by the battery pack thermal pad installation device provided by the present invention, the operator places the mounting bracket 10 on the liquid cooling plate 1 by holding the handle 14, fixes the mounting bracket 10 and the liquid cooling plate 1 by the positioning pin 16, moves the first rolling rod 21 and the second rolling rod 22 to the connecting rod 11 close to one side, tears off the bottom protective film of the thermal pad 2, and attaches the side of the thermal pad 2 with the bottom protective film torn off to the surface of the liquid cooling plate. The thermal pad 2 is inserted into the bottom of the rolling rod assembly 20 from one side of the first rolling rod 21 and the second rolling rod 22, and the thermal pad 2 is slowly flattened to the other side. One end of the top protective film 3 of the thermal pad 2 is torn off, and the top protective film 3 is passed through the middle of the first rolling rod 21 and the second rolling rod 22. The first rolling rod 21 The first rolling rod 21 and the second rolling rod 22 are respectively close to the two sides of the top protective film 3, the first rolling rod 21 is located on the outside of the top protective film 3, and the second rolling rod 22 is located on the inside of the top protective film 3. The top protective film 3 is slowly lifted up, driving the first rolling rod 21 to move, and at the same time, the second rolling rod 22 is pushed by hand to move. While the top protective film 3 is lifted up, the thermal pad 2 is flattened until the top protective film 3 is completely torn off. The mounting bracket 10 is lifted up again, and it is moved to the next position where the thermal pad 2 needs to be attached and the operation is restarted, which improves the attachment efficiency and attachment effect of the thermal pad 2, effectively avoids the generation of bubbles during the attachment process of the thermal pad 2, improves the temperature uniformity of the battery pack, increases the service life of the battery pack, and avoids the problem of high production cost caused by multiple attachments of the thermal pad.

[0028] Functions and Effects of the Embodiments

[0029] The battery pack thermal pad installation device provided by the present invention is arranged on the liquid cooling plate 1, and the battery pack thermal pad installation device includes a mounting bracket 10 and a rolling rod assembly 20 arranged on the liquid cooling plate 1. The rolling rod assembly 20 is movably arranged on the mounting bracket 10, such as Figure 3 and Figure 4 As shown, the rolling rod assembly 20 can facilitate the operator to roll and attach the thermal pad 2, improve the attachment effect and attachment efficiency of the thermal pad 2, avoid the generation of bubbles in the thermal pad 2 during the attachment process, improve the temperature uniformity of the battery pack, increase the service life of the battery pack, and avoid the problem of high production costs caused by multiple re-attachment of the thermal pad. The battery pack thermal pad installation device provided by the utility model facilitates the operator to attach the thermal pad to the battery pack, improves the thermal pad attachment efficiency, improves the thermal pad attachment effect, and improves the temperature uniformity of the battery pack.

[0030] When attaching and installing the thermal pad 2 by the battery pack thermal pad installation device provided by the present invention, the operator places the mounting bracket 10 on the liquid cooling plate 1 by holding the handle 14, fixes the mounting bracket 10 and the liquid cooling plate 1 by the positioning pin 16, moves the first rolling rod 21 and the second rolling rod 22 to the connecting rod 11 close to one side, tears off the bottom protective film of the thermal pad 2, and attaches the side of the thermal pad 2 with the bottom protective film torn off to the surface of the liquid cooling plate. The thermal pad 2 is inserted into the bottom of the rolling rod assembly 20 from one side of the first rolling rod 21 and the second rolling rod 22, and the thermal pad 2 is slowly flattened to the other side. One end of the top protective film 3 of the thermal pad 2 is torn off, and the top protective film 3 is passed through the middle of the first rolling rod 21 and the second rolling rod 22. The first rolling rod 21 The first rolling rod 21 and the second rolling rod 22 are respectively close to the two sides of the top protective film 3, the first rolling rod 21 is located on the outside of the top protective film 3, and the second rolling rod 22 is located on the inside of the top protective film 3. The top protective film 3 is slowly lifted up, driving the first rolling rod 21 to move, and at the same time, the second rolling rod 22 is pushed by hand to move. While the top protective film 3 is lifted up, the thermal pad 2 is flattened until the top protective film 3 is completely torn off. The mounting bracket 10 is lifted up again, and it is moved to the next position where the thermal pad 2 needs to be attached and the operation is restarted, which improves the attachment efficiency and attachment effect of the thermal pad 2, effectively avoids the generation of bubbles during the attachment process of the thermal pad 2, improves the temperature uniformity of the battery pack, increases the service life of the battery pack, and avoids the problem of high production cost caused by multiple attachments of the thermal pad.

[0031] The above description of the present invention is provided as an example, in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described method. Any non-substantial improvements made using the method concepts and technical solutions of the present invention, or any application of the above-described concepts and technical solutions of the present invention to other situations without modification, are all within the scope of protection of the present invention.

Claims

1. A battery pack thermal pad mounting device, arranged on a liquid cooling plate (1), characterized in that: It comprises a mounting bracket (10) and a rolling rod assembly (20), wherein the mounting bracket (10) is arranged on the liquid cooling plate (1), and the rolling rod assembly (20) is movably arranged on the mounting bracket (10).

2. The battery pack thermal pad installation device according to claim 1, characterized in that: The mounting bracket (10) comprises a connecting rod (11) and a side plate (12), wherein an end portion of the connecting rod (11) is connected to one side of the side plate (12).

3. The battery pack thermal pad installation device according to claim 2, characterized in that: A sliding groove (13) is provided on the side plate (12), and the rolling rod assembly (20) is movably arranged in the sliding groove (13).

4. The battery pack thermal pad installation device according to claim 3, characterized in that: The rolling rod assembly (20) comprises a first rolling rod (21) and a second rolling rod (22), wherein the end of the first rolling rod (21) is movably disposed in the slide groove (13), and the end of the second rolling rod (22) is movably disposed in the slide groove (13).

5. The battery pack thermal pad installation device according to claim 2, characterized in that: The connecting rod (11) is provided with a handle (14).

6. The battery pack thermal pad installation device according to claim 2, characterized in that: A positioning hole (15) is provided on the connecting rod (11), and a positioning pin (16) is passed through the positioning hole (15).

7. The battery pack thermal pad installation device according to claim 2, characterized in that: A limiting protrusion (111) is provided at the bottom of the connecting rod (11).