Battery cell modular assembly structure of battery pack

Abstract

The utility model discloses a modular assembly structure for battery cells of a battery pack, which relates to the technical field of battery cell assembly, and comprises a shell, a cover plate is arranged on one side of the shell, a through hole is arranged on the cover plate, the inner wall of the shell is fixedly connected with clapboards which are arranged at equal intervals, and the clapboards are fixedly connected with the shell. And moving plates which are arranged at equal intervals are arranged in the shell, the moving plates are located between the two partition plates and between the partition plates and the inner wall of the shell, and three L-shaped moving rods are fixedly connected to the surfaces of the moving plates. According to the battery cell modular assembly structure of the battery pack, the battery is not installed in a flat state any more, and the conditions that the overall size of the device is large, the distance between the positive electrode and the negative electrode of the two battery cells is long, a long connecting wire is needed when the positive electrode and the negative electrode of the subsequent battery cells are connected, and the subsequent use cost is increased are avoided; and meanwhile, the covered area of the battery cell in the shell is small, so that the influence on the heat dissipation of the battery cell is avoided, and the heat dissipation effect of the battery cell is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery cell assembly, and particularly relates to a modular assembly structure for battery pack cells. Background Art

[0002] A battery cell refers to the core component inside a battery. Besides the battery cell, a battery pack is mainly composed of components such as a housing and an electronic control unit.

[0003] Patent number: CN 219203415 U, which discloses a modular assembly structure for battery pack cells. By arranging partition plates inside the mounting frame, the main battery cells can be separated to avoid mutual collision of the main battery cells caused by vibration. And there are U-shaped tubes arranged in the partition plates. The refrigerant can circulate in the refrigerant input pipe, U-shaped tubes, connecting pipes and refrigerant output pipe. The heat between two main battery cells is driven by the flow of the refrigerant in the U-shaped tubes, improving the heat dissipation capacity of the battery cells inside the battery pack.

[0004] However, during the implementation of this solution, since the battery cells are arranged in a lying state in sequence, all the positive and negative electrodes of adjacent battery cells are located on the same horizontal line, which further causes the connecting wires between the positive and negative electrodes to be entangled with each other, thus affecting the safety of subsequent battery use. Therefore, a modular assembly structure for battery pack cells is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a modular assembly structure for battery pack cells, which can solve the problems in the background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A modular assembly structure for battery pack cells, including a housing. A cover plate is arranged on one side of the housing, and a through hole is opened on the cover plate. The inner wall of the housing is fixedly connected with partition plates arranged at equal intervals. Inside the housing, there are moving plates arranged at equal intervals. The moving plates are located between two partition plates and between the partition plates and the inner wall of the housing. Three L-shaped moving rods are fixedly connected to the surface of the moving plate. The three moving rods are respectively located at the top and the left and right sides of the moving plate. The surface of the moving rod is slidably connected to the inside of the partition plate, and the surface of the moving rod can also be slidably connected to the inside of the housing. An active plate is slidably connected to the inside of the partition plate. An extrusion groove with an inclined inner wall is opened on the surface of the active plate. One end of the moving rod away from the moving plate is fixedly connected with a pushing block. The surface of the pushing block is slidably connected to the inner wall of the extrusion groove. A sliding rod is fixedly connected to the surface of the active plate. The sliding rod penetrates through the surface of the partition plate and is slidably connected to the inside of the partition plate. One end of the sliding rod located outside the partition plate is fixedly connected with a clamping plate.

[0007] Preferably, a first spring is fixedly connected to the surface of the moving plate, and one end of the first spring away from the moving plate is fixedly connected to the inner wall of the housing. A second spring is movably sleeved on the surface of the sliding rod, and both ends of the second spring are fixedly connected to the surface of the movable plate and the inside of the partition plate respectively.

[0008] Preferably, an activity plate, an extrusion groove, a sliding rod, a second spring and a clamping plate are also arranged inside the housing.

[0009] Preferably, neither the upper side nor the lower side of the partition plate contacts the inner wall of the housing.

[0010] Preferably, the inner wall of the housing is fixedly connected with support plates arranged at equal intervals, and the cross section of the support plate is T-shaped.

[0011] Preferably, a U-shaped placement groove is formed on the surface of the partition plate, and a cooling pipe is fixedly connected to the inner wall of the placement groove.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] (1). This modular assembly structure of battery pack cells enables the battery to be installed without lying flat, thus avoiding the situation that the overall volume of the device is relatively large, and the distance between the positive and negative electrodes of two cells is relatively far, resulting in the need for a long connecting wire when connecting the positive and negative electrodes of subsequent cells, increasing the subsequent use cost. At the same time, the covered area of the cell in the housing is relatively small, thereby avoiding the situation that affects the heat dissipation of the cell and improving the heat dissipation effect of the cell, which is worthy of promotion.

[0014] (2). This modular assembly structure of battery pack cells uses the cooperation of the housing and the cover plate to complete the assembly of the battery, thereby reducing the steps of battery assembly, improving the assembly efficiency of the battery, and further improving the use effect of the device, which is worthy of promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The following further describes the present utility model in conjunction with the drawings and embodiments:

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is a schematic diagram of the internal structure of the housing of the present utility model;

[0018] Figure 3 is the present utility model Figure 2 the enlarged schematic diagram at A in;

[0019] Figure 4 is a schematic diagram of the internal structure of the partition plate of the present utility model.

[0020] Reference numerals: 1, housing; 2, cover plate; 3, through hole; 4, partition; 5, moving plate; 6, first spring; 7, clamping plate; 8, support plate; 9, moving rod; 10, placement groove; 11, cooling pipe; 12, sliding rod; 13, second spring; 14, movable plate; 15, extrusion groove; 16, pushing block. Detailed implementation manners

[0021] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be construed as a limitation on the protection scope of the present invention.

[0022] Please refer to Figures 1-4 , the present invention provides a technical solution: a modular assembly structure for battery pack cells, including a housing 1. A cover plate 2 is provided on one side of the housing 1, and a through hole 3 is opened on the cover plate 2 to provide an insertion space for the positive and negative electrodes of the cells. The inner wall of the housing 1 is fixedly connected with partition plates 4 arranged at equal intervals to divide the space inside the housing 1, avoiding the situation where the cells contact each other and thus affecting the heat dissipation of the cells. Neither the upper nor the lower sides of the partition plate 4 are in contact with the inner wall of the housing 1. A U-shaped placement groove 10 is opened on the surface of the partition plate 4, and a cooling pipe 11 is fixedly connected to the inner wall of the placement groove 10. Furthermore, through the arrangement of the cooling pipe 11, it is used to connect with the refrigerant pipe to cool the cells. At the same time, the U-shaped arrangement of the cooling pipe 11 results in a smaller covering area for the cooling pipe 11, so that a larger area of the cooling pipe 11 is exposed in the housing 1, thereby improving the cooling effect of the cooling pipe 11 on the inside of the housing 1 and enhancing the use effect of the device, which is worthy of promotion.

[0023] Furthermore, the inner wall of the housing 1 is fixedly connected with support plates 8 arranged at equal intervals. The cross-section of the support plate 8 is T-shaped to support the cells inside the housing 1.

[0024] Inside the housing 1, there are moving plates 5 arranged at equal intervals. The moving plates 5 are located between two partition plates 4 and between the partition plates 4 and the inner wall of the housing 1. A first spring 6 is fixedly connected to the surface of the moving plate 5. The end of the first spring 6 far from the moving plate 5 is fixedly connected to the inner wall of the housing 1 to reset the moving plate 5. Three L-shaped moving rods 9 are fixedly connected to the surface of the moving plate 5. The three moving rods 9 are respectively located at the top and the left and right sides of the moving plate 5. The surface of the moving rod 9 is slidably connected to the inside of the partition plate 4, and the surface of the moving rod 9 can also be slidably connected to the inside of the housing 1. A movable plate 14 is slidably connected to the inside of the partition plate 4. An extrusion groove 15 with an inclined inner wall is formed on the surface of the movable plate 14. A pushing block 16 is fixedly connected to the end of the moving rod 9 far from the moving plate 5. The surface of the pushing block 16 is slidably connected to the inner wall of the extrusion groove 15. A sliding rod 12 is fixedly connected to the surface of the movable plate 14. The sliding rod 12 passes through the surface of the partition plate 4 and is slidably connected to the inside of the partition plate 4. A second spring 13 is movably sleeved on the surface of the sliding rod 12. The two ends of the second spring 13 are respectively fixedly connected to the surface of the movable plate 14 and the inside of the partition plate 4 to reset the movable plate 14.

[0025] Furthermore, a clamping plate 7 is fixedly connected to the end of the sliding rod 12 outside the partition plate 4 to squeeze and fix the battery cell. The inside of the housing 1 is also provided with a movable plate 14, an extrusion groove 15, a sliding rod 12, a second spring 13 and a clamping plate 7, so as to be able to squeeze and fix the battery cell in multiple directions and ensure the stability of the battery cell in the housing 1.

[0026] Specifically, during use, first pass the positive and negative electrodes of the battery cell through the through holes 3 in sequence, and then place the battery cells upright between the housing 1 and the partition 4 and between the partitions 4 in sequence. Then, let the support plate 8 carry the battery cells. After that, move the cover plate 2 closer to the housing 1, so that the battery cells squeeze the moving plate 5, thereby pushing the moving plate 5 to slide in the housing 1 and compressing the first spring 6. Then, drive the moving rod 9 to slide in the housing 1 and the partition 4, and then pull the pushing block 16 to slide in the extrusion groove 15, so that the pushing block 16 pushes the inclined surface of the extrusion groove 15, thereby driving the movable plate 14 to slide in the partition 4, then pushing the sliding rod 12 and compressing the second spring 13. At the same time, make the clamping plates 7 gradually fit with the battery cells. Then, the clamping plates 7 at the top and on the left and right sides can cooperate with the support plate 8 to squeeze and fix the battery cells. During the use of this device, the battery is no longer installed in a lying state, thus avoiding the situation that the overall length of the device is relatively large, and the positive and negative electrodes between the two battery cells are horizontally distributed. When connecting the positive and negative electrodes of the subsequent battery cells, the connecting wires between the battery cells are stacked together, reducing the safety of the subsequent battery use. At the same time, the covered area of the battery cells in the housing 1 is relatively small, thus avoiding the situation of affecting the heat dissipation of the battery cells and improving the heat dissipation effect of the battery cells, which is worthy of promotion. Secondly, the assembly of the battery is completed by the cooperation of the housing 1 and the cover plate 2, thus reducing the steps of battery assembly, improving the assembly efficiency of the battery, and further improving the use effect of the device, which is worthy of promotion.

[0027] Working principle: During use, first pass the positive and negative electrodes of the battery cell through the through holes 3 in sequence, and then place the battery cells upright between the housing 1 and the partition 4 and between the partitions 4 in sequence. Then, let the support plate 8 carry the battery cells. After that, move the cover plate 2 closer to the housing 1, so that the battery cells squeeze the moving plate 5, thereby pushing the moving plate 5 to slide in the housing 1 and compressing the first spring 6. Then, drive the moving rod 9 to slide in the housing 1 and the partition 4, and then pull the pushing block 16 to slide in the extrusion groove 15, so that the pushing block 16 pushes the inclined surface of the extrusion groove 15, thereby driving the movable plate 14 to slide in the partition 4, then pushing the sliding rod 12 and compressing the second spring 13. At the same time, make the clamping plates 7 gradually fit with the battery cells. Then, the clamping plates 7 at the top and on the left and right sides can cooperate with the support plate 8 to squeeze and fix the battery cells.

[0028] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the technical field, various changes can be made without departing from the purpose of the present invention.

Claims

1. A modular assembly structure for battery pack cells, comprising a housing (1), characterized in that: One side of the said housing (1) is provided with a cover plate (2), and a through hole (3) is opened on the cover plate (2). The inner wall of the housing (1) is fixedly connected with partitions (4) arranged at equal intervals. Inside the housing (1), there are movable plates (5) arranged at equal intervals. The movable plates (5) are located between two partitions (4) and between the partitions (4) and the inner wall of the housing (1). Three L-shaped movable rods (9) are fixedly connected to the surface of the movable plate (5). The three movable rods (9) are respectively located at the top and the left and right sides of the movable plate (5). The surface of the movable rod (9) is slidably connected to the inside of the partition (4), and the surface of the movable rod (9) can also be slidably connected to the inside of the housing (1). An movable plate (14) is slidably connected to the inside of the partition (4). An extrusion groove (15) with an inclined inner wall is opened on the surface of the movable plate (14). One end of the movable rod (9) far away from the movable plate (5) is fixedly connected with a pushing block (16). The surface of the pushing block (16) is slidably connected to the inner wall of the extrusion groove (15). A sliding rod (12) is fixedly connected to the surface of the movable plate (14). The sliding rod (12) penetrates through the surface of the partition (4) and is slidably connected to the inside of the partition (4). One end of the sliding rod (12) located outside the partition (4) is fixedly connected with a clamping plate (7).

2. The modular assembly structure of battery pack cells according to claim 1, wherein: A first spring (6) is fixedly connected to the surface of the said movable plate (5). One end of the first spring (6) far away from the movable plate (5) is fixedly connected to the inner wall of the housing (1). A second spring (13) is movably sleeved on the surface of the sliding rod (12). Two ends of the second spring (13) are respectively fixedly connected to the surface of the movable plate (14) and the inside of the partition (4).

3. The modular assembly structure of battery pack cells according to claim 1, characterized in that: The inside of the said housing (1) is also provided with an movable plate (14), an extrusion groove (15), a sliding rod (12), a second spring (13) and a clamping plate (7).

4. The modular assembly structure of battery pack cells according to claim 1, wherein: Neither the upper side nor the lower side of the said partition (4) is in contact with the inner wall of the housing (1).

5. A modular assembly structure of battery pack cells according to claim 1, characterized in that: The inner wall of the said housing (1) is fixedly connected with supporting plates (8) arranged at equal intervals. The cross section of the supporting plate (8) is T-shaped.

6. The modular assembly structure of battery pack cells according to claim 1, characterized in that: A U-shaped placement groove (10) is opened on the surface of the said partition (4). A cooling pipe (11) is fixedly connected to the inner wall of the placement groove (10).

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