Soft package battery cell heat management structure

By introducing battery compartment, nickel sheet, handle and positioning components into the thermal management structure of the soft-pack battery cell, the problem of low battery pack installation and disassembly efficiency in the existing technology is solved, and the rapid installation and replacement of the battery pack is achieved. Improves the heat dissipation of the equipment and the stability of the protective case.

CN222338398UActive Publication Date: 2025-01-10陕西风润智能制造研究院有限公司
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Patent Information

Application Number
CN202420201399.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-26
Publication Date
2025-01-10
Estimated Expiration
2034-01-26

AI Technical Summary

Technical Problem

The existing soft-pack battery cell thermal management structure is not convenient for rapid installation and disassembly, and auxiliary tools are required to fix the battery pack, resulting in low installation efficiency.

Method used

A structure including battery compartment, nickel sheet, handle, protective case, positioning assembly, heat dissipation fin, damping pad, connecting strip and adhesive sheet is designed, through positioning grooves, threaded connections, rotating plates, gears and latches, etc. It realizes rapid installation and replacement of the battery pack, improving installation efficiency and heat dissipation effect.

Benefits of technology

It realizes rapid installation and replacement of the battery pack, improves installation efficiency, and improves the heat dissipation effect of the equipment and the limit and reinforcement of the protective case through structures such as heat dissipation fins and damping pads.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of battery cell heat, and particularly relates to a heat management structure of a soft package battery cell. The heat management structure comprises a battery bin, wherein an inner cavity of the battery bin is fixedly connected with a nickel sheet; the front side of the battery compartment is fixedly connected with a handle; the surface of the battery bin is sleeved with a protective shell. The left side of the protective shell is fixedly connected with a fixing assembly. The front sides of the two sides of the protective shell are fixedly connected with positioning assemblies. The fixing assembly comprises a positioning block, a positioning rod, a rotating plate and a fixing bolt; according to the heat management structure of the soft package battery cell, through the cooperative use of the structures, the problems that according to an existing heat management structure of the soft package battery cell, a battery pack is inconvenient to quickly assemble and disassemble, and the battery pack cannot be quickly assembled and disassembled are solved; and when the battery is mounted, the battery pack needs to be fixed on equipment needing to be mounted by using an auxiliary tool, so that the mounting efficiency of the equipment is also improved.
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Description

Technical Field

[0001] The utility model belongs to the field of battery core thermal technology, in particular to a soft-pack battery core thermal management structure. Background Art

[0002] The thermal management structure of the battery cell is mainly able to maintain the battery within a certain suitable temperature range to ensure the performance and life of the battery system. The overall structure of the soft-pack battery cell is mainly square, and it is usually packaged with aluminum-plastic composite film.

[0003] The thermal management of battery cells in the current existing technology can effectively maintain the battery within a certain suitable temperature range to ensure the performance and life of the battery system. The thermal management structure of the soft-pack battery cell is composed of a heat sink, a thermal conductive gel, a liquid cooling plate and a collector. The heat sink is evenly distributed on the liquid cooling plate, and the thermal conductive gel fills the gap between the liquid cooling plate and the heat sink. The collector is used to collect the cold liquid at both ends of the liquid cooling plate and recycle it.

[0004] The existing thermal management structure of soft-pack batteries is not convenient for quick installation and disassembly of the battery pack. When installing the battery, auxiliary tools are needed to fix the battery pack on the equipment to be installed. Therefore, a thermal management structure of soft-pack batteries is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes a thermal management structure of a soft-pack battery cell.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a thermal management structure of a soft-pack battery cell described in the utility model comprises a battery compartment, the inner cavity of the battery compartment is fixedly connected with a nickel sheet; the front side of the battery compartment is fixedly connected with a handle; the surface of the battery compartment is sleeved with a protective shell; the left side of the protective shell is fixedly connected with a fixing component; the front sides of both sides of the protective shell are fixedly connected with a positioning component; the fixing component comprises a positioning block, a positioning rod, a rotating plate and a fixing bolt; a positioning groove is provided on the left side of the protective shell; the surface of the positioning block is fixedly connected to the inner cavity of the positioning groove; the right side of the positioning rod is fixedly connected to the positioning block; the inner cavity of the rotating plate is movably connected to the surface of the positioning rod; the surface of the fixing bolt is threadedly connected with a fixing bolt; the right side of the protective shell is provided with an installation groove, and the coordinated use of the above structure not only solves the problem that the existing thermal management structure of the soft-pack battery cell is not convenient for rapid installation and disassembly of its battery pack, and when installing its battery, it is necessary to use auxiliary tools to fix its battery pack on the equipment to be installed, and the installation efficiency of the equipment is also improved.

[0007] Preferably, the positioning assembly includes a fixing sleeve; the fixing sleeve is fixedly connected to the battery compartment; a fixing column is movably connected to the opposite side of the fixing sleeve; a rack is provided on the surface of the fixing column; the front side of the rack is meshingly connected to a gear; the lower end of the gear is movably connected to a fixing plate through a rotating pair; the side of the fixing plate close to the protective shell is fixedly connected to the protective shell; the upper end of the gear is fixedly connected to a rotating rod; the surface of the rotating rod is movably connected to a fixing box; the rotating rod passes through the fixing box; the surface of the rotating rod is movably connected to a pin; the fixing box is fixedly connected to the protective shell, and the coordinated use of the above-mentioned structure achieves an effect of facilitating maintenance when a single battery needs to be replaced.

[0008] Preferably, the right side of the battery compartment is movably connected with a heat dissipation fin; the inner cavity of the heat dissipation fin is fixedly connected with a connecting rod; the right side of the heat dissipation fin is fixedly connected to the left side of the inner cavity of the protective shell; a heat dissipation groove is provided on the right side of the protective shell, and through the coordinated use of the above-mentioned structures, the heat dissipation effect of the device is improved when the device is in use.

[0009] Preferably, a damping pad is fixedly connected to the upper end of the protective shell; there are four damping pads, and the lower ends of the four damping pads are fixedly connected to the four corners of the upper end of the protective shell. By setting the protective shell and the damping pad and using the above structure in coordination, the effect of blocking the protective shells when the device is in use is achieved.

[0010] Preferably, connecting strips are fixedly connected to both sides of the lower end of the protective shell, and an adhesive sheet is fixedly connected to the upper end of the protective shell. By arranging the protective shell, the connecting strips and the adhesive sheet for coordinated use, the effect of facilitating the positioning of the protective shell when the device is in use is achieved.

[0011] Preferably, the front and rear sides of the fixing box are fixedly connected to the limiting blocks; the side of the limiting block close to the protective shell is fixedly connected to the protective shell, and by setting the fixing box, the limiting block and the protective shell for coordinated use, the protective shell is reinforced when the device is in use.

[0012] Preferably, a snap ring is fixedly connected to the surface of the fixing sleeve; the snap ring is fixedly connected to the battery compartment on one side close to the battery compartment, and by arranging the snap ring, the battery compartment and the fixing sleeve for coordinated use, the effect of positioning the fixing sleeve when the device is in use is achieved.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a soft-pack battery core thermal management structure. Through the coordinated use of the above structure, it not only solves the problem that the existing soft-pack battery core thermal management structure is not convenient for rapid installation and disassembly of its battery pack, and when installing its battery, it is necessary to use auxiliary tools to fix its battery pack on the equipment to be installed, but also improves the installation efficiency of the equipment.

[0015] 2. The utility model provides a thermal management structure for soft-pack battery cells. When a single battery in a battery pack needs to be replaced, the pin is pulled and the rotating rod is rotated to drive the gear to rotate, and the gear drives the fixed column to move, and the fixed column is separated from the inner cavity of the fixed sleeve, and the battery compartment is moved by pulling the handle to replace the single battery. Through the coordinated use of the above structure, the effect of facilitating maintenance of a single battery when it needs to be replaced is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is an overall stereogram of the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the overall composition of the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the heat dissipation fin in the utility model;

[0020] Figure 4 It is a stereogram of the positioning assembly in the utility model;

[0021] Figure 5 It is a three-dimensional diagram of the fixing assembly in the utility model.

[0022] Legend:

[0023] 1. Battery compartment; 2. Nickel sheet; 3. Handle; 4. Protective shell; 5. Fixing assembly; 6. Positioning assembly; 7. Heat dissipation fin; 8. Connecting rod; 9. Damping pad; 10. Connecting strip; 11. Adhesive sheet; 12. Limit block; 13. Snap ring; 501. Positioning block; 502. Positioning rod; 503. Rotating plate; 504. Fixing bolt; 601. Fixing sleeve; 602. Fixing column; 603. Gear; 604. Fixing plate; 605. Rotating rod; 606. Fixing box; 607. Latch. DETAILED DESCRIPTION

[0024] 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.

[0025] Specific examples are given below.

[0026] See also Figure 1 one Figure 5 The utility model provides a thermal management structure of a soft-pack battery cell, comprising a battery compartment 1, wherein a nickel sheet 2 is fixedly connected to the inner cavity of the battery compartment 1; a handle 3 is fixedly connected to the front side of the battery compartment 1; a protective shell 4 is sleeved on the surface of the battery compartment 1; a fixing assembly 5 is fixedly connected to the left side of the protective shell 4; a positioning assembly 6 is fixedly connected to the front sides of both sides of the protective shell 4; the fixing assembly 5 comprises a positioning block 501, a positioning rod 502, a rotating plate 503 and a fixing bolt 504; a positioning groove is opened on the left side of the protective shell 4; the surface of the positioning block 501 is fixedly connected to the inner cavity of the positioning groove; the right side of the positioning rod 502 is fixedly connected to the positioning block 501; the inner cavity of the rotating plate 503 is movably connected to the surface of the positioning rod 502; the fixing bolt 504 is fixedly connected to the inner cavity of the rotating plate 503 ... A fixing bolt 504 is threadedly connected to the surface; an installation groove is provided on the right side of the protective shell 4. When the battery pack needs to be quickly installed, the fixing bolt 504 is driven to move by rotating the rotating plate 503, and then the rotating plate 503 is limited by the positioning rod 502, and then the positioning rod 502 is limited by the positioning block 501, and then the upper and lower batteries are installed by rotating the fixing bolt 504. The coordinated use of the above-mentioned structures not only solves the existing soft-pack battery core thermal management structure, which is not convenient for rapid installation and disassembly of the battery pack, but also requires the use of auxiliary tools to fix the battery pack on the equipment to be installed when installing the battery, and also improves the installation efficiency of the equipment.

[0027] Further, such as Figure 4As shown, the positioning assembly 6 includes a fixing sleeve 601; the fixing sleeve 601 is fixedly connected to the battery compartment 1; the opposite side of the fixing sleeve 601 is movably connected with a fixing column 602; the surface of the fixing column 602 is provided with a rack; the front side of the rack is meshed with a gear 603; the lower end of the gear 603 is movably connected to a fixing plate 604 through a rotating pair; the side of the fixing plate 604 close to the protective shell 4 is fixedly connected to the protective shell 4; the upper end of the gear 603 is fixedly connected to a rotating rod 605; the surface of the rotating rod 605 is movably connected to a fixing box 606; the rotating rod 605 passes through the fixing box 606; the rotating rod The surface of 605 is movably connected with a latch 607; the fixed box 606 is fixedly connected to the protective shell 4. When a single battery in the battery pack needs to be replaced, the latch 607 is pulled and the rotating rod 605 is rotated to drive the gear 603 to rotate, and then the gear 603 drives the fixed column 602 to move, and then the fixed column 602 is separated from the inner cavity of the fixed sleeve 601, and then the battery compartment 1 is moved by pulling the handle 3 to replace the single battery. Through the coordinated use of the above structure, the effect of facilitating maintenance when a single battery needs to be replaced is achieved.

[0028] Further, such as Figure 3 As shown, the right side of the battery compartment 1 is movably connected with a heat dissipation fin 7; the inner cavity of the heat dissipation fin 7 is fixedly connected with a connecting rod 8; the right side of the heat dissipation fin 7 is fixedly connected to the left side of the inner cavity of the protective shell 4; a heat dissipation groove is opened on the right side of the protective shell 4, when the nickel sheet 2 inside the battery compartment 1 is in use, the heat emitted by the nickel sheet 2 is transported to the surface of the battery compartment 1, and then transported to the heat dissipation fin 7 through the battery compartment 1, and then the heat dissipation fin 7 is limited by the connecting rod 8, and then the heat is dissipated by the heat dissipation groove, and the above-mentioned structure is used in combination, so as to improve the heat dissipation effect of the device when the device is in use.

[0029] Further, such as Figure 3 As shown, the upper end of the protective shell 4 is fixedly connected with a damping pad 9; there are four damping pads 9, and the lower ends of the four damping pads 9 are fixedly connected to the four corners of the upper end of the protective shell 4. By setting the protective shell 4 and the damping pad 9, and by the coordinated use of the above structure, the effect of blocking the protective shells 4 when the device is in use is achieved.

[0030] Further, such as Figure 1 and Figure 2 As shown, connecting strips 10 are fixedly connected to both sides of the lower end of the protective shell 4, and an adhesive sheet 11 is fixedly connected to the upper end of the protective shell 4. By setting the protective shell 4, the connecting strips 10 and the adhesive sheet 11 for coordinated use, the effect of facilitating the limiting of the protective shell 4 when the device is in use is achieved.

[0031] Further, such as Figure 4As shown, the front and rear sides of the fixed box 606 are fixedly connected to the limiting block 12; the side of the limiting block 12 close to the protective shell 4 is fixedly connected to the protective shell 4, and by setting the fixed box 606, the limiting block 12 and the protective shell 4 for coordinated use, the protective shell 4 is reinforced when the device is in use.

[0032] Further, such as Figure 4 As shown, a snap ring 13 is fixedly connected to the surface of the fixing sleeve 601; the snap ring 13 is fixedly connected to the battery compartment 1 on one side close to the battery compartment 1, and by setting the snap ring 13, the battery compartment 1 and the fixing sleeve 601 for coordinated use, the fixing sleeve 601 can be positioned when the device is in use.

[0033] Working principle: when the battery pack needs to be installed quickly, the fixing bolt 504 is driven to move by rotating the rotating plate 503, and then the rotating plate 503 is limited by the positioning rod 502, and then the positioning rod 502 is limited by the positioning block 501, and then the upper and lower batteries are installed by rotating the fixing bolt 504. The coordinated use of the above structure not only solves the problem of the existing soft-pack battery core thermal management structure being inconvenient for rapid installation and disassembly of the battery pack, but also improves the installation efficiency of the equipment by using auxiliary tools to fix the battery pack on the equipment to be installed when installing the battery. When a single battery in the battery pack needs to be replaced, the pin 607 is pulled and the rotating rod 605 is rotated to drive the gear 603 to rotate, and then the fixing column 602 is driven to move by the gear 603, and then the fixing column 602 is separated from the inner cavity of the fixing sleeve 601, and then the battery compartment 1 is driven to move by pulling the handle 3 to replace the single battery. The coordinated use of the above structure achieves the problem of replacing a single battery. The battery needs to be replaced to facilitate maintenance. When the nickel sheet 2 inside the battery compartment 1 is in use, the heat is transmitted to the surface of the battery compartment 1 through the nickel sheet 2, and then transmitted to the heat dissipation fins 7 through the battery compartment 1. The heat dissipation fins 7 are limited by the connecting rod 8, and then the heat is dissipated through the heat dissipation groove. The above-mentioned structure is used in combination to improve the heat dissipation effect of the device when the device is in use. By setting the protective shell 4 and the damping pad 9, the above-mentioned structure is used in combination to achieve the effect of blocking the protective shell 4 when the device is in use. By setting the protective shell 4, the connecting strip 10 and the adhesive sheet 11, the protective shell 4 is easily limited when the device is in use. By setting the fixing box 606, the limiting block 12 and the protective shell 4, the protective shell 4 is reinforced when the device is in use. By setting the clamping ring 13, the battery compartment 1 and the fixing sleeve 601 are used in combination, the fixing sleeve 601 is positioned when the device is in use.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A soft-pack battery core thermal management structure, comprising a battery compartment (1) characterized by: The inner cavity of the battery compartment (1) is fixedly connected with a nickel sheet (2); the front side of the battery compartment (1) is fixedly connected with a handle (3); the surface of the battery compartment (1) is sleeved with a protective shell (4); the left side of the protective shell (4) is fixedly connected with a fixing assembly (5); the front sides of both sides of the protective shell (4) are fixedly connected with positioning assemblies (6); the fixing assembly (5) comprises a positioning block (501), a positioning rod (502), a rotating plate (503) and a fixing bolt (504); the left side of the protective shell (4) is provided with a positioning groove; the surface of the positioning block (501) is fixedly connected to the inner cavity of the positioning groove; the right side of the positioning rod (502) is fixedly connected to the positioning block (501); the inner cavity of the rotating plate (503) is movably connected to the surface of the positioning rod (502); the surface of the fixing bolt (504) is threadedly connected with the fixing bolt (504); and the right side of the protective shell (4) is provided with a mounting groove.

2. A soft-pack battery core thermal management structure according to claim 1, characterized in that: The positioning assembly (6) comprises a fixing sleeve (601); the fixing sleeve (601) is fixedly connected to the battery compartment (1); a fixing column (602) is movably connected to the opposite side of the fixing sleeve (601); a rack is provided on the surface of the fixing column (602); a gear (603) is meshedly connected to the front side of the gear; the lower end of the gear (603) is movably connected to a fixing plate (604) through a rotating pair; the side of the fixing plate (604) close to the protective shell (4) is fixedly connected to the protective shell (4); a rotating rod (605) is fixedly connected to the upper end of the gear (603); a fixing box (606) is movably connected to the surface of the rotating rod (605); the rotating rod (605) passes through the fixing box (606); a latch (607) is movably connected to the surface of the rotating rod (605); and the fixing box (606) is fixedly connected to the protective shell (4).

3. The thermal management structure of a soft-pack battery cell according to claim 1, characterized in that: The right side of the battery compartment (1) is movably connected to a heat dissipation fin (7); the inner cavity of the heat dissipation fin (7) is fixedly connected to a connecting rod (8); the right side of the heat dissipation fin (7) is fixedly connected to the left side of the inner cavity of the protective shell (4); and a heat dissipation groove is provided on the right side of the protective shell (4).

4. The thermal management structure of a soft-pack battery cell according to claim 1, characterized in that: The upper end of the protective shell (4) is fixedly connected with a damping pad (9); the number of the damping pads (9) is four, and the lower ends of the four damping pads (9) are fixedly connected to the four corners of the upper end of the protective shell (4).

5. The thermal management structure of a soft-pack battery cell according to claim 1, characterized in that: Both sides of the lower end of the protective shell (4) are fixedly connected with connecting strips (10), and the upper end of the protective shell (4) is fixedly connected with an adhesive sheet (11).

6. A soft-pack battery core thermal management structure according to claim 2, characterized in that: The front and rear sides of the fixing box (606) are both fixedly connected to the limiting block (12); the side of the limiting block (12) close to the protective shell (4) is fixedly connected to the protective shell (4).

7. The thermal management structure of a soft-pack battery cell according to claim 2, characterized in that: A snap ring (13) is fixedly connected to the surface of the fixing sleeve (601); the snap ring (13) is fixedly connected to the battery compartment (1) on a side close to the battery compartment (1).