Battery cell test tool

Abstract

The utility model discloses a battery cell test tool, which comprises a substrate assembly, a channel line fixing assembly and a battery cell fixing assembly, and is characterized in that the bottom of the substrate assembly is provided with a plurality of heat dissipation holes and cable access holes; a channel line fixing assembly and a battery cell fixing assembly are mounted on the substrate assembly. The battery cell testing tool is simple in structure and easy to use, reasonably utilizes space, facilitates ventilation and heat dissipation of the battery cell in the testing process by reasonably and effectively fixing the battery cell and the channel line, improves the space utilization rate of an environment box, is high in battery cell installation efficiency, can effectively avoid the bad conditions such as damage or breakage of a tab and the like, and is suitable for popularization and application. Therefore, the test efficiency and accuracy are improved, and the tidiness and attractiveness of the test area are enhanced.

Description

Technical Field

[0001] The present application belongs to the technical field of battery testing, and in particular, relates to a battery cell testing tool. Background Art

[0002] With the rapid development of new energy battery technology, the demand for the evaluation of soft-pack batteries is increasing. Among them, short-term tests such as capacity, rate, high and low temperature and DCR generally require the battery to be placed in an environmental chamber to control a constant temperature for testing. However, there are many charging and discharging motor channels in the environmental chamber, which can easily become messy. Eventually, the following problems may arise during the test: (1) The battery cell and channel correspondence are incorrect; (2) The battery cell position is difficult to fix, there is a risk of short circuit, and the battery cell position is different each time it is tested, which affects the test results; (3) The channel line position is difficult to fix, which can easily tear the battery cell tabs and cause the tabs to break; (4) The channel line is not fixed, and the space utilization rate of the environmental chamber is low (5) The channel line is messy, affecting the temperature distribution in the environmental chamber and the heat dissipation effect of the battery cell.

[0003] How to develop a battery cell testing tool to better fix the channel lines and battery cell positions, improve the test efficiency and space utilization of the environmental chamber, is an urgent problem to be solved in the field of soft-pack battery cell testing. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a battery cell testing tool, which can better benefit the environmental chamber space and fix the battery cells and channel lines more stably and flexibly.

[0005] To achieve the purpose of the utility model, the present application provides a battery cell testing tool, including a substrate assembly 100, a channel wire fixing assembly 200 and a battery cell fixing assembly 400, and a plurality of heat dissipation holes 102 and cable entry and exit holes 101 are provided at the bottom of the substrate assembly; the channel wire fixing assembly 200 and the battery cell fixing assembly 400 are installed on the substrate assembly 100.

[0006] Furthermore, the substrate assembly 100 has a size of not less than 100*150 mm, a thickness of not less than 20 mm, and is made of bakelite or an insulating flame-retardant polymer material.

[0007] Furthermore, a cable access hole 101 is provided at the bottom of the substrate assembly 100, and the size of the hole is not less than 10*10 mm. The hole size is adjusted according to the specifications of the channel line used to ensure that the channel line is completely embedded in the hole.

[0008] Furthermore, the channel wire fixing component 200 is provided with a groove 201, and an adjustment plate 300 that can move up and down is provided in the groove. The channel wire clip is clamped on the side of the fixing component 200 with the groove to fix the channel wire. The channel wire fixing component 200 is made of bakelite or an insulating flame-retardant polymer material.

[0009] Furthermore, the adjustment plate 300 is provided with a protrusion 301, through which the height of the clip of the channel line can be adjusted, so as to make reasonable adjustments according to the different heights of the tabs. The setting of the protrusion 301 on the adjustment plate can facilitate position adjustment.

[0010] Furthermore, the substrate assembly 100 is also provided with a cell fixing assembly 400 having a cell fixing groove 401 . The size of the cell fixing groove is determined according to the thickness of the cell so as to fix the cell and prevent it from moving. The cell fixing assembly 400 is made of bakelite or insulating flame-retardant polymer material.

[0011] Furthermore, the channel wire fixing assembly 200 and the battery cell fixing assembly 400 are provided in plurality.

[0012] Furthermore, the channel wire fixing assembly 200 is provided in two rows, the battery cell fixing assembly 400 is provided in one row, and the battery cell fixing assembly is provided between the channel wire fixing assembly 200.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model realizes vertical fixation of the battery cell through the design of the tooling. Compared with the previous horizontal placement of the battery cell, the space utilization rate of the environmental chamber is increased by 50%. By fixing the channel line, the tearing of the pole ear is reduced, and the pole ear can be effectively protected. By fixing the channel line and the clip, the battery cell has the advantages of high disassembly and assembly efficiency and good test consistency. The utility model can improve space utilization and test efficiency, and effectively save test costs. In addition, the utility model is conducive to enhancing the cleanliness and beauty of the test environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of a battery cell testing tooling according to a specific implementation method.

[0016] Figure 2 Schematic diagram of the substrate.

[0017] Among them, 100 is a substrate assembly, 101 is a cable entry and exit hole, 200 is a channel wire fixing assembly, 300 is an adjustment plate, 301 is a protrusion, 400 is a battery cell fixing assembly, and 401 is a battery cell fixing groove. DETAILED DESCRIPTION

[0018] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0019] In the description of the present invention, it should be noted that if terms such as "upper", "lower", etc. indicate orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] In addition, in the description of the present invention, unless otherwise clearly defined, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0021] In order to make the above-mentioned objects, features and advantages of the present application more obvious, the following will refer to the attached Figure 2 The utility model patent is described in detail in conjunction with embodiments.

[0022] See also Figure 1 , Figure 2 The present application provides a battery cell test fixture, including a substrate assembly 100, a channel wire fixing assembly 200 and a battery cell fixing assembly 400. The bottom of the substrate assembly is provided with a plurality of heat dissipation holes and a cable access hole 101; the channel wire fixing assembly 200 and the battery cell fixing assembly 400 are installed on the substrate assembly 100. In this embodiment, the substrate assembly 100 has a size of 300*600mm, a thickness of 20mm, and is made of bakelite.

[0023] In this embodiment, the size of the cable inlet and outlet hole 101 of the substrate assembly 100 is 20*20 mm.

[0024] In this embodiment, the channel wire fixing assembly 200 at the top of the substrate assembly 100 is provided with a groove 201, and an adjustment plate 300 that can move up and down is provided in the groove. The channel wire clip is clamped on the side of the fixing assembly 200 with the groove to fix the channel wire. The groove has a depth of 50 mm, a bottom width of 25 mm, and a top width of 40 mm. The material of the channel wire fixing assembly 200 is flame retardant polypropylene.

[0025] The adjustment plate 300 is provided with a protrusion 301, through which the height of the clip of the channel line can be adjusted, so that reasonable adjustment can be made according to the different heights of the pole ears. The setting of the protrusion 301 on the adjustment plate can facilitate position adjustment.

[0026] The substrate assembly 100 is also provided with a cell fixing assembly 400 having a cell fixing groove 401 with a depth of 50 mm, a bottom width of 25 mm, and a top width of 40 mm, so as to fix the cell and prevent it from moving. The cell fixing assembly 400 is made of flame-retardant polyethylene.

[0027] The channel wire fixing components 200 are arranged in two rows, each with 8 components, and the battery cell fixing components 400 are arranged in one row, each with 8 components. The battery cell fixing components are arranged between the channel wire fixing components 200 .

[0028] The above-mentioned embodiments are described in a relatively specific and detailed manner, and should not be construed as limiting the scope of the patent application. It should be noted that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all fall within the scope of protection of the present application. Therefore, the scope of protection of the patent application shall be subject to the attached claims.

Claims

1. A battery cell testing tool, characterized in that: The invention comprises a substrate assembly (100), a channel wire fixing assembly (200) and a battery core fixing assembly (400); a plurality of heat dissipation holes (102) and cable access holes (101) are arranged at the bottom of the substrate assembly; and the channel wire fixing assembly (200) and the battery core fixing assembly (400) are installed on the substrate assembly (100).

2. The battery cell testing tool according to claim 1, characterized in that: The substrate assembly (100) has a size of not less than 100*150 mm and a thickness of not less than 20 mm.

3. The battery cell testing tool according to claim 1, characterized in that: The substrate assembly (100) is made of bakelite or an insulating flame-retardant polymer material.

4. The battery cell testing tool according to claim 1, characterized in that: The bottom of the base plate assembly (100) is provided with a cable access hole (101).

5. The battery cell testing tool according to claim 4, characterized in that: The size of the cable access hole (101) is not less than 10*10 mm.

6. The battery cell testing tool according to claim 1, characterized in that: The channel wire fixing assembly (200) is provided with a groove (201).

7. The battery cell testing tool according to claim 6, characterized in that: An adjustment plate (300) which can move up and down is arranged in the groove.

8. The battery cell testing tool according to claim 6, characterized in that: The clip of the channel line is clamped on one side of the fixing component (200) where a groove is provided.

9. The battery cell testing tool according to claim 1, characterized in that: The material of the channel wire fixing component (200) is bakelite or insulating flame-retardant polymer material.

10. The battery cell testing tool according to claim 7, characterized in that: The adjustment plate (300) is provided with a protrusion (301).

11. The battery cell testing tool according to claim 1, characterized in that: The substrate assembly (100) is also provided with a cell fixing assembly (400) having a cell fixing groove (401).

12. The battery cell testing tool according to claim 1, characterized in that: The material of the battery core fixing component (400) is bakelite or an insulating flame-retardant polymer material.

13. The battery cell testing tool according to claim 1, characterized in that: The channel wire fixing assembly (200) and the battery cell fixing assembly (400) are respectively provided in plurality.

14. The battery cell testing tool according to claim 1, characterized in that: The channel wire fixing components (200) are provided in two rows, the battery cell fixing components (400) are provided in one row, and the battery cell fixing components are arranged between the channel wire fixing components (200).

Images