Series and parallel connection assembly structure of soft package lithium battery

Abstract

The utility model discloses a series and parallel connection assembly structure of a soft package lithium battery, and relates to the field of series and parallel connection of the soft package lithium battery. The utility model relates to a series and parallel connection assembly structure of soft package lithium batteries. A lithium battery series connection shell, a series connection bottom plate, a series connection battery cell, a limiting side plate, a parallel connection supporting side plate, a left side parallel connection base, a top series connection plate, a right side parallel connection base, a series connection monitor, a limiting open groove, a power supply connection base, a battery cell state indicating lamp, a current display screen, a left side parallel connection connector and a right side parallel connection connector are arranged; during use, firstly, the series and parallel assembly work of a plurality of groups of battery cells can be quickly completed, the stability of the series and parallel assembly is ensured, and the digital display work of the working voltage and capacity of the series and parallel assembled battery cells can be completed after the series and parallel assembly; and when the internal battery cell has a fault, the fault battery cell can be quickly checked, so that the later maintenance work of the soft package lithium battery is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of series and parallel connection of soft-pack lithium batteries, in particular to a series and parallel assembly structure of soft-pack lithium batteries. Background Art

[0002] The soft-pack lithium battery is composed of multiple groups of battery cells. In order to ensure that the soft-pack lithium battery reaches the required voltage and capacity, multiple soft-pack lithium batteries need to be connected in series and parallel in a specific way.

[0003] The existing series-parallel assembly structure of soft-pack lithium batteries has certain disadvantages when used. The existing series-parallel assembly structure of soft-pack lithium batteries adopts a fixed connection when used, and cannot check the working status of a single group of battery cells by voltage on multiple groups of series-parallel battery cells. When used, the parallel connection is cumbersome and the multiple groups of series-parallel battery cells inside cannot be replaced and maintained.

[0004] Therefore, it is necessary to propose a series-parallel assembly structure of soft-pack lithium batteries to solve the above problems. Utility Model Content

[0005] The main purpose of the present invention is to provide a series-parallel assembly structure of soft-pack lithium batteries, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A series-parallel assembly structure of soft-pack lithium batteries, comprising a lithium battery series shell, wherein the lower inner surface of the lithium battery series shell is provided with a series bottom plate and series cells, the inner surface of one side of the lithium battery series shell is provided with a limiting side plate, the inner surface of the other side of the lithium battery series shell is provided with a parallel support side plate, the upper outer surface of the parallel support side plate is provided with a left parallel base, the upper outer surfaces of the series bottom plate and the series cells are provided with a top series plate, the outer surface of one side of the top series plate is provided with a right parallel base, the upper outer surface of the top series plate is provided with a series monitor, and limiting slots are provided on the outer surfaces of both sides of the series monitor, a power supply connection base is provided in the middle of the series monitor, a cell status indicator light and a current display screen are provided in the middle of the upper end of the power supply connection base, the cell status indicator light is located on both sides of the current display screen, a left parallel connector is provided in the middle of the upper end of the left parallel base, and a right parallel connector is provided in the middle of the upper end of the right parallel base.

[0008] Preferably, the lower inner surface of the series-connected lithium battery shell is fixedly connected to the series bottom plate and the lower outer surface of the series battery cell, the inner surface of one side of the series-connected lithium battery shell is fixedly connected to the outer surface of one side of the limiting side plate, and the inner surface of the other side of the series-connected lithium battery shell is fixedly connected to the outer surface of one side of the parallel supporting side plate.

[0009] Preferably, the upper outer surface of the parallel support side plate is fixedly connected to the lower outer surface of the left parallel base, the outer surface of one side of the series bottom plate and the series battery cell is detachably connected to the outer surface of the other side of the limiting side plate, and the outer surface of the other side of the series bottom plate and the series battery cell is detachably connected to the outer surface of the other side of the parallel support side plate.

[0010] Preferably, the upper outer surface of the series bottom plate and the series battery cells is detachably connected to the lower outer surface of the top series plate, and one side outer surface of the top series plate is fixedly connected to one side outer surface of the right parallel base.

[0011] Preferably, the upper outer surface of the top series plate is fixedly connected to the lower outer surface of the series monitor, and limiting grooves are provided on both side outer surfaces of the series monitor.

[0012] Preferably, the middle portion of the series monitor is fixedly connected to the lower outer surface of the power connection base, and the upper middle portion of the power connection base is fixedly connected to the lower outer surfaces of the battery status indicator light and the current display screen.

[0013] Preferably, the upper middle portion of the left parallel base is detachably connected to the lower outer surface of the left parallel connector, and the upper middle portion of the right parallel base is detachably connected to the lower outer surface of the right parallel connector.

[0014] Preferably, one side outer surface of the series monitor is detachably connected to one side outer surface of the left parallel connector through a limiting groove, and the other side outer surface of the series monitor is detachably connected to one side outer surface of the right parallel connector through a limiting groove.

[0015] Beneficial effects

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The series-parallel assembly structure of a soft-pack lithium battery, through the lithium battery series shell, series bottom plate and series battery cells, limiting side plates, parallel support side plates, left parallel base, top series plate, right parallel base, series monitor, limiting slots, power supply connection base, battery cell status indicator light, current display screen, left parallel connector and right parallel connector, can quickly complete the series-parallel assembly of multiple groups of battery cells and ensure the stability of the series-parallel assembly when in use, and after the series-parallel assembly, the working voltage and capacity of the series-parallel assembled battery cells can be digitally displayed. In the event of an internal battery cell failure, the faulty battery cell can be quickly identified, which is convenient for the later maintenance of the soft-pack lithium battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a series-parallel assembly structure of a soft-pack lithium battery of the present invention;

[0019] Figure 2 This is a schematic diagram of the internal structure of a series-parallel assembly structure of a soft-pack lithium battery of the present invention;

[0020] Figure 3 This is a schematic diagram of the assembly structure of a series-parallel assembly structure of soft-pack lithium batteries in the utility model.

[0021] In the figure: 1. Lithium battery series shell; 2. Series bottom plate and series battery cells; 3. Limit side plate; 4. Parallel support side plate; 5. Left parallel base; 6. Top series plate; 7. Right parallel base; 8. Series monitor; 9. Limit slot; 10. Power supply connection base; 11. Battery cell status indicator; 12. Current display screen; 13. Left parallel connector; 14. Right parallel connector. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1-3As shown, a series-parallel assembly structure of soft-pack lithium batteries includes a lithium battery series shell 1, a series bottom plate and a series battery cell 2 are provided on the inner surface of the lower end of the lithium battery series shell 1, a limiting side plate 3 is provided on the inner surface of one side of the lithium battery series shell 1, a parallel support side plate 4 is provided on the inner surface of the other side of the lithium battery series shell 1, a left parallel base 5 is provided on the upper outer surface of the parallel support side plate 4, a top series plate 6 is provided on the upper outer surface of the series bottom plate and the series battery cell 2, and a right side is provided on the outer surface of one side of the top series plate 6. A parallel base 7 and a series monitor 8 are provided on the outer surface of the upper end of the top series plate 6. Limiting slots 9 are provided on the outer surfaces on both sides of the series monitor 8. A power supply connection base 10 is provided in the middle of the series monitor 8. A battery cell status indicator light 11 and a current display screen 12 are provided in the middle of the upper end of the power supply connection base 10. The battery cell status indicator light 11 is located on both sides of the current display screen 12. A left parallel connector 13 is provided in the middle of the upper end of the left parallel base 5, and a right parallel connector 14 is provided in the middle of the upper end of the right parallel base 7.

[0024] It should be noted that the present invention is a series-parallel assembly structure of a soft-pack lithium battery, which is provided with a lithium battery series shell 1, a series bottom plate and a series battery cell 2, a limit side plate 3, a parallel support side plate 4, a left parallel base 5, a top series plate 6, a right parallel base 7, a series monitor 8, a limit slot 9, a power supply connection base 10, a battery cell status indicator 11, a current display 12, a left parallel connector 13 and a right parallel connector 14. When in use, first pass through the lithium battery series shell 1 The limiting side plate 3 and the parallel supporting side plate 4 of the series bottom plate and the series battery cell 2 inside thereof are limited and supported. After support, the series bottom plate and the series battery cell 2 are connected to the parallel supporting side plate 4. After connection, the two sets of series bottom plates and the bottom negative poles of the series battery cells 2 are connected through the left parallel base 5 of the parallel supporting side plate 4 through the left parallel connector 13. After connection, the right parallel base 7 on the side of the top series plate 6 of the series bottom plate and the series battery cell 2 is connected through the right parallel connector 14. The positive poles of the batteries are connected in parallel, and at the same time, the internal cells are connected in series with the negative poles through the series bottom plate and the series bottom plate of the series cell 2. The limiting slots 9 on both sides of the series monitor 8 perform lateral limiting work on the left parallel connector 13 and the right parallel connector 14, and the positive pole series connection work between the series bottom plate and the series cell 2 is completed through the top series plate 6. After the soft-pack lithium batteries are connected in parallel, the working status of each group of series cells is monitored by the series monitor 8, and the cell status indicator light 11 and the current display screen 12 on the power supply connection base 10 respectively display the working status and working voltage of the cell. When in use, the series and parallel assembly of multiple groups of cells can be quickly completed and the stability of the series and parallel assembly can be ensured. After the series and parallel assembly, the working voltage and capacity of the series and parallel assembled cells can be digitally displayed. In the event of an internal cell failure, the faulty cell can be quickly checked, which is convenient for the later maintenance of the soft-pack lithium battery.

[0025] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A series-parallel assembly structure of soft-pack lithium batteries, comprising a lithium battery series shell (1), characterized in that: The inner surface of the lower end of the lithium battery series shell (1) is provided with a series bottom plate and a series battery cell (2); the inner surface of one side of the lithium battery series shell (1) is provided with a limit side plate (3); the inner surface of the other side of the lithium battery series shell (1) is provided with a parallel support side plate (4); the upper outer surface of the parallel support side plate (4) is provided with a left parallel base (5); the upper outer surface of the series bottom plate and the series battery cell (2) is provided with a top series plate (6); the outer surface of one side of the top series plate (6) is provided with a right parallel base (7); the upper end of the top series plate (6) is provided with a right parallel base (7). A series monitor (8) is provided on the outer surface, and limited slots (9) are provided on both sides of the outer surface of the series monitor (8). A power supply connection base (10) is provided in the middle of the series monitor (8), and a cell status indicator (11) and a current display screen (12) are provided in the middle of the upper end of the power supply connection base (10). The cell status indicator (11) is located on both sides of the current display screen (12). A left parallel connector (13) is provided in the middle of the upper end of the left parallel base (5), and a right parallel connector (14) is provided in the middle of the upper end of the right parallel base (7).

2. The series-parallel assembly structure of soft-pack lithium batteries according to claim 1, characterized in that: The inner surface of the lower end of the series-connected lithium battery housing (1) is fixedly connected to the outer surface of the lower end of the series-connected bottom plate and the series-connected battery cell (2); the inner surface of one side of the series-connected lithium battery housing (1) is fixedly connected to the outer surface of one side of the limiting side plate (3); and the inner surface of the other side of the series-connected lithium battery housing (1) is fixedly connected to the outer surface of one side of the parallel supporting side plate (4).

3. The series-parallel assembly structure of soft-pack lithium batteries according to claim 1, characterized in that: The upper outer surface of the parallel support side plate (4) is fixedly connected to the lower outer surface of the left parallel base (5); the outer surface of one side of the series bottom plate and the series battery cell (2) is detachably connected to the outer surface of the other side of the limiting side plate (3); and the outer surface of the other side of the series bottom plate and the series battery cell (2) is detachably connected to the outer surface of the other side of the parallel support side plate (4).

4. The series-parallel assembly structure of soft-pack lithium batteries according to claim 1, characterized in that: The upper outer surface of the series bottom plate and the series battery cells (2) is detachably connected to the lower outer surface of the top series plate (6), and one side outer surface of the top series plate (6) is fixedly connected to one side outer surface of the right parallel base (7).

5. The series-parallel assembly structure of soft-pack lithium batteries according to claim 1, characterized in that: The upper outer surface of the top series connection plate (6) is fixedly connected to the lower outer surface of the series connection monitor (8), and both side outer surfaces of the series connection monitor (8) are provided with limiting slots (9).

6. The series-parallel assembly structure of soft-pack lithium batteries according to claim 1, characterized in that: The middle portion of the series monitor (8) is fixedly connected to the outer surface of the lower end of the power connection base (10), and the middle portion of the upper end of the power connection base (10) is fixedly connected to the outer surfaces of the lower ends of the battery status indicator light (11) and the current display screen (12).

7. The series-parallel assembly structure of soft-pack lithium batteries according to claim 1, characterized in that: The upper middle portion of the left parallel base (5) is detachably connected to the lower outer surface of the left parallel connector (13), and the upper middle portion of the right parallel base (7) is detachably connected to the lower outer surface of the right parallel connector (14).

8. The series-parallel assembly structure of soft-pack lithium batteries according to claim 1, characterized in that: One side outer surface of the series monitor (8) is detachably connected to one side outer surface of the left parallel connector (13) via a limiting slot (9), and the other side outer surface of the series monitor (8) is detachably connected to one side outer surface of the right parallel connector (14) via a limiting slot (9).

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