Square-shell battery cell heat management structure

Abstract

The utility model belongs to the technical field of batteries, and particularly relates to a square-shell battery cell heat management structure which comprises a shell, a plurality of groups of batteries are arranged in the middle of the shell; a plurality of groups of heat dissipation strips are arranged in the middle of the shell; the middle part of the battery is fixedly connected with a connecting column; the connecting column is in sliding connection with the shell; the middle part of the connecting column is fixedly connected with a plurality of groups of limiting bolts; a first spring is fixedly connected to the middle part of the limiting bolt; the middle part of the limiting bolt is in sliding connection with a wafer; a pull rope is slidably connected to the middle part of the round sheet; according to the step, when the battery needs to be mounted, the battery can be fixed in the shell through the fixing effect of the limiting bolts on the battery, and when the battery needs to be dismounted, the multiple sets of limiting bolts can be pressed, so that the battery can be quickly taken out from the interior of the shell, and the convenience in mounting and dismounting of the battery can be improved; and thus, the working efficiency during battery maintenance can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a square shell battery core thermal management structure. Background Art

[0002] Square shell battery cell refers to the packaging form of lithium battery, which usually contains components such as positive electrode, negative electrode, electrolyte and diaphragm. The use of square shell battery cell lithium battery can store larger energy and has relatively stable performance during charging and discharging.

[0003] Square shell battery cells will generate heat during operation. In order to ensure that they can work normally, effective thermal management measures need to be taken to dissipate heat. If the operating temperature of the square shell battery cells is too high, it may cause thermal runaway, causing the battery to catch fire and explode.

[0004] When installing a square shell battery cell, it is generally necessary to install a thermal management structure together. However, after installation, the surroundings of the square shell battery cell lithium battery are relatively complex, and it is difficult to disassemble it when it needs to be repaired or monitored. Therefore, a square shell battery cell thermal management structure is proposed to address the above problem. 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 square shell battery core thermal management structure.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes a square shell battery cell thermal management structure, comprising a shell; a plurality of battery groups are arranged in the middle of the shell; a plurality of heat dissipation strips are opened in the middle of the shell; a connecting column is fixedly connected to the middle of the battery; the connecting column is slidably connected to the shell; a plurality of limit bolts are fixedly connected to the middle of the connecting column; a first spring is fixedly connected to the middle of the limit bolt; a disc is slidably connected to the middle of the limit bolt; a pull rope is slidably connected to the middle of the disc.

[0007] Preferably, a hinge is fixedly connected to the middle of the shell; a fixing plate is fixedly connected to the middle of the hinge; a support plate is hingedly connected to the middle of the fixing plate; a torsion spring is fixedly connected to the middle of the support plate; a hidden groove is opened in the middle of the fixing plate; and the hidden groove is slidably connected to the support plate.

[0008] Preferably, a slide groove is provided in the middle of the shell; a slider is slidably connected to the middle of the slide groove; a support rod is fixedly connected to the middle of the slider; and a support plate is fixedly connected to the end of the slider.

[0009] Preferably, a plurality of groups of second springs are fixedly connected to the middle portion of the support plate; a receiving plate is fixedly connected to the end portion of the second spring; and the receiving plate is slidably connected to the battery.

[0010] Preferably, a lock buckle is slidably connected to the middle part of the pull rope; and a lock bolt is rotatably connected to the middle part of the lock buckle.

[0011] Preferably, a pulley is provided at the end of the retaining plate; the pulley is rotatably connected to the retaining plate.

[0012] Preferably, a support rod is fixedly connected to the middle portion of the connecting column; and the end portion of the support rod is fixedly connected to the first spring.

[0013] The utility model is beneficial in that:

[0014] 1. The square shell battery cell thermal management structure described in the utility model can fix the battery inside the shell through the fixing effect of the limit bolts on the battery when the battery needs to be installed. When the battery needs to be disassembled, multiple groups of limit bolts can be pressed to quickly remove the battery from the shell, thereby improving the convenience of battery installation and disassembly, and further improving the work efficiency of battery maintenance.

[0015] 2. The square shell battery cell thermal management structure described in the utility model can support the shell through the fixing plate when the shell needs to be installed, which can improve the installation efficiency when the shell is installed. When the fixing plate is used to support the shell, the elastic effect of the torsion spring can reduce the shrinkage of the fixing plate to the side of the shell, thereby improving the stability of the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure in the present utility model when viewed from above;

[0019] Figure 3 Based Figure 1 A magnified image of point A;

[0020] Figure 4 It is a schematic diagram of the structure of the retaining plate in the utility model;

[0021] Figure 5 for Figure 2 A magnified view of point B;

[0022] Figure 6 It is a schematic diagram of the lock structure in the utility model.

[0023] In the figure: 1. shell; 11. battery; 12. heat dissipation strip; 13. connecting column; 14. limit bolt; 15. first spring; 16. disc; 17. pull rope; 2. hinge; 21. retaining plate; 22. support plate; 23. torsion spring; 24. concealed groove; 3. slide groove; 31. slider; 32. support rod; 33. support plate; 4. second spring; 41. receiving plate; 5. lock buckle; 51. lock bolt; 6. pulley; 7. support rod. 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] like Figure 1-3 As shown, a square shell battery cell thermal management structure comprises a shell 1; a plurality of battery groups 11 are arranged in the middle of the shell 1; a plurality of heat dissipation strips 12 are arranged in the middle of the shell 1; a connecting column 13 is fixedly connected to the middle of the battery 11; the connecting column 13 is slidably connected to the shell 1; a plurality of limit bolts 14 are fixedly connected to the middle of the connecting column 13; a first spring 15 is fixedly connected to the middle of the limit bolt 14; a disc 16 is slidably connected to the middle of the limit bolt 14; a pull rope 17 is slidably connected to the middle of the disc 16; during operation, when it is necessary to disassemble the battery 11 inside the shell 1, the limit bolt 14 at the end of the connecting column 13 can be squeezed, and then the first spring 15 in the middle of the limit bolt 14 can be compressed, and then the battery 11 can slide downward, and when the battery 11 needs to be installed in the shell 1 When the battery 11 is installed in the shell 1, the disc 16 can be placed in the middle of the limit bolt 14, and then the pull rope 17 can be tightened, and the limit bolt 14 can be contracted by the disc 16, so that the battery 11 can be installed in the shell 1, and then the disc 16 can be taken out from the middle of the limit bolt 14, and the battery 11 can be fixed by the limit bolt 14 through the action of the first spring 15. This step can be used when the battery 11 needs to be installed. The limit bolt 14 can fix the battery 11 in the shell 1. When the battery 11 needs to be disassembled, multiple groups of limit bolts 14 can be pressed, and then the battery 11 can be taken out from the shell 1 more quickly, thereby improving the convenience of installing and disassembling the battery 11, and thereby improving the work efficiency when repairing the battery 11.

[0026] like Figure 1-4As shown, a hinge 2 is fixedly connected to the middle of the shell 1; a fixing plate 21 is fixedly connected to the middle of the hinge 2; a support plate 22 is hingedly connected to the middle of the fixing plate 21; a torsion spring 23 is fixedly connected to the middle of the support plate 22; a dark groove 24 is opened in the middle of the fixing plate 21; the dark groove 24 is slidably connected to the support plate 22; when working, when the shell 1 is used for work, the shell 1 can be placed in the installation position, and when installing, the fixing plate 21 can be compressed toward the side of the shell 1, at this time, the support plate 22 will be placed inside the dark groove 24 under pressure, After the shell 1 is positioned, the support plate 22 can be opened by the action of the torsion spring 23, and then the retaining plate 21 can be used to support the shell 1. This step can be used when the shell 1 needs to be installed. The retaining plate 21 can support the shell 1, which can improve the installation efficiency when the shell 1 is installed. When the retaining plate 21 is used to support the shell 1, the elastic action of the torsion spring 23 can reduce the shrinkage of the retaining plate 21 to the side of the shell 1, thereby improving the stability of the shell 1.

[0027] like Figure 2-5 As shown, a slide groove 3 is opened in the middle of the shell 1; a slider 31 is slidably connected to the middle of the slide groove 3; a support rod 32 is fixedly connected to the middle of the slider 31; and a support plate 33 is fixedly connected to the end of the slider 31; during operation, when the battery 11 needs to be installed inside the shell 1, the slider 31 can be slid inside the slide groove 3, and the support rod 32 can be placed under the battery 11, and the support plate 33 can support the battery 11. In this step, when the battery 11 needs to be installed, the support rod 32 can be placed under the battery 11 to be installed, and the support plate 33 can be used to support the battery 11, thereby reducing the damage of the battery 11 due to accidental falling.

[0028] like Figure 2-5 As shown, a plurality of groups of second springs 4 are fixedly connected to the middle part of the support plate 33; a receiving piece 41 is fixedly connected to the end of the second spring 4; the receiving piece 41 is slidably connected to the battery 11; during operation, when the support rod 32 is used to receive the battery 11, the receiving piece 41 can be used to support the battery 11, and when the receiving piece 41 supports the battery 11, the second spring 4 can be compressed according to the actual situation. In this step, when the battery 11 needs to be installed or disassembled, the receiving piece 41 can be used to support the bottom of the battery 11. Through the action of the second spring 4, when the receiving piece 41 is used to support the bottom of the battery 11, the battery 11 can be reduced from being damaged due to excessive squeezing.

[0029] like Figure 3-6As shown, the middle part of the pull rope 17 is slidably connected with a lock buckle 5; the middle part of the lock buckle 5 is rotatably connected with a lock bolt 51; during operation, when the pull rope 17 is tightened, the pull rope 17 can be slid inside the lock buckle 5, and after the pull rope 17 is tightened, the lock bolt 51 can be used to fix the pull rope 17. This step can be used when the pull rope 17 needs to be tightened. The pull rope 17 can be fixed after tightening through the action of the lock bolt 51, thereby reducing the time used to pull the pull rope 17.

[0030] like Figure 1-4 As shown, a pulley 6 is provided at the end of the fixing plate 21; the pulley 6 is rotatably connected to the fixing plate 21; during operation, when the fixing plate 21 is used to support the shell 1, the fixing plate 21 can slide within a range through the action of the pulley 6. This step can enable the fixing plate 21 to have a certain buffering effect through the sliding action of the fixing plate 21, thereby reducing the damage of the battery 11 due to vibration during operation.

[0031] like Figure 1-3 As shown, a support rod 7 is fixedly connected to the middle part of the connecting column 13; the end of the support rod 7 is fixedly connected to the first spring 15; during operation, when the first spring 15 is squeezed, the first spring 15 can be fixed by the action of the support rod 7. This step can reduce the deviation of the position of the first spring 15 when the first spring 15 is squeezed, thereby improving the stability of the first spring 15 when it is compressed.

[0032] Working principle: during operation, when the battery 11 inside the shell 1 needs to be disassembled, the limit bolt 14 at the end of the connecting column 13 can be squeezed, and then the first spring 15 in the middle of the limit bolt 14 can be compressed, and then the battery 11 can slide down. When the battery 11 needs to be installed inside the shell 1, the disc 16 can be placed in the middle of the limit bolt 14, and then the pull rope 17 can be tightened, and then the limit bolt 14 can be contracted through the disc 16, and then the battery 11 can be installed inside the shell 1, and then the disc 16 can be taken out from the middle of the limit bolt 14. Through the action of the first spring 15, the battery 11 can be fixed through the limit bolt 14. This step can be used to fix the battery 11 through the limit bolt 14 when the battery 11 needs to be installed. The fixing function of the battery 11 can fix the battery 11 inside the shell 1. When the battery 11 needs to be removed, the multiple groups of limit bolts 14 can be pressed, and the battery 11 can be taken out from the shell 1 relatively quickly, thereby improving the convenience of installing and removing the battery 11, and thereby improving the work efficiency when repairing the battery 11. When the shell 1 is used for work, the shell 1 can be placed in the installation position. During installation, the retaining plate 21 can be compressed toward the side of the shell 1. At this time, the support plate 22 will be placed in the dark groove 24 under pressure. After the shell 1 is placed in position, the support plate 22 can be opened by the action of the torsion spring 23, and then the retaining plate 21 can be used to support the shell 1. This step can be performed when it is necessary to When the shell 1 is installed, the supporting effect of the retaining plate 21 on the shell 1 can improve the installation efficiency when the shell 1 is installed. When the retaining plate 21 is used to support the shell 1, the elastic effect of the torsion spring 23 can reduce the shrinkage of the retaining plate 21 toward the side of the shell 1, thereby improving the stability of the shell 1. When the battery 11 needs to be installed inside the shell 1, the slider 31 can slide inside the slide groove 3, and then the support rod 32 can be placed under the battery 11. At this time, the support plate 33 can support the battery 11. This step can be used when the battery 11 needs to be installed. The support rod 32 can be placed under the battery 11 to be installed. At this time, the support plate 33 can be used to support the battery 11, thereby reducing If the battery 11 is damaged due to accidental falling, when the support rod 32 is used to support the battery 11, the receiving piece 41 can be used to support the battery 11. When the receiving piece 41 supports the battery 11, the second spring 4 can be compressed according to the actual situation. This step can be used when the battery 11 needs to be installed or removed. The receiving piece 41 can be used to support the bottom of the battery 11. Through the action of the second spring 4, when the receiving piece 41 is used to support the bottom of the battery 11, the battery 11 can be reduced from being damaged by excessive squeezing. When the pull rope 17 is tightened, the pull rope 17 can be made to slide inside the lock buckle 5. After the pull rope 17 is tightened, the lock bolt 51 can be used to fix the pull rope 17.In this step, when the pull cord 17 needs to be tightened, the pull cord 17 can be fixed after being tightened by the action of the lock bolt 51, thereby reducing the time used to pull the pull cord 17. When the fixing plate 21 is used to support the housing 1, the fixing plate 21 can be slid within a range by the action of the pulley 6. In this step, the fixing plate 21 can have a certain buffering effect through the sliding action of the fixing plate 21, thereby reducing the damage caused by vibration during the operation of the battery 11. When the first spring 15 is squeezed, the first spring 15 can be fixed by the action of the support rod 7. In this step, when the first spring 15 is squeezed, the position of the first spring 15 can be reduced. The deviation of the position of the first spring 15 can be reduced, thereby improving the stability of the first spring 15 when it is compressed.

[0033] 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 square shell battery core thermal management structure, comprising a shell (1); a plurality of battery groups (11) are arranged in the middle of the shell (1); the characteristics are: The shell (1) has a plurality of heat dissipation strips (12) in the middle; the battery (11) has a connection column (13) in the middle; the connection column (13) is slidably connected to the shell (1); the connection column (13) has a plurality of limit pins (14) in the middle; the limit pin (14) has a first spring (15) in the middle; the limit pin (14) has a disc (16) in the middle; and the disc (16) has a pull rope (17) in the middle.

2. A square shell battery core thermal management structure according to claim 1, characterized in that: A hinge (2) is fixedly connected to the middle of the shell (1); a retaining plate (21) is fixedly connected to the middle of the hinge (2); a support plate (22) is hingedly connected to the middle of the retaining plate (21); a torsion spring (23) is fixedly connected to the middle of the support plate (22); a hidden groove (24) is opened in the middle of the retaining plate (21); and the hidden groove (24) is slidably connected to the support plate (22).

3. A square shell battery core thermal management structure according to claim 1, characterized in that: A slide groove (3) is provided in the middle of the housing (1); a slider (31) is slidably connected to the middle of the slide groove (3); a support rod (32) is fixedly connected to the middle of the slider (31); and a support plate (33) is fixedly connected to the end of the slider (31).

4. A square shell battery core thermal management structure according to claim 3, characterized in that: A plurality of groups of second springs (4) are fixedly connected to the middle of the support plate (33); a receiving plate (41) is fixedly connected to the end of the second spring (4); and the receiving plate (41) is slidably connected to the battery (11).

5. The square shell battery core thermal management structure according to claim 1, characterized in that: The middle portion of the pull rope (17) is slidably connected to a lock buckle (5); the middle portion of the lock buckle (5) is rotatably connected to a lock bolt (51).

6. A square shell battery core thermal management structure according to claim 2, characterized in that: A pulley (6) is provided at the end of the retaining plate (21); the pulley (6) is rotatably connected to the retaining plate (21).

7. The square shell battery core thermal management structure according to claim 1, characterized in that: A support rod (7) is fixedly connected to the middle of the connecting column (13); and the end of the support rod (7) is fixedly connected to the first spring (15).

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