Battery cell insulation test equipment and battery cell film coating system
The device addresses the challenge of inadequate insulation testing in large cells by employing movable structures for precise alignment and comprehensive testing of all cell surfaces, improving accuracy and coverage.
Patent Information
- Application Number
- CN202422143895.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-02
AI Technical Summary
Existing battery cell insulation testing equipment is difficult to adapt to large-sized battery cells, and its positioning is inaccurate, resulting in incomplete and accurate insulation detection.
The five-sided insulation testing equipment in the vertical state of the battery cell is adopted, including a base, a reference mechanism, a pushing mechanism and a probe test device, so as to achieve accurate positioning and high-precision testing of multi-size battery cells through linear motion.
The five-sided synchronous insulation test of the battery cell is realized, which improves the accuracy and adaptability of the detection, and meets the testing needs of battery cells of different sizes.
Smart Images
Figure CN223107966U_ABST
Abstract
Description
Technical Field
[0001] This application generally relates to the technical field of new energy. Specifically, it relates to a cell insulation testing device and a cell film wrapping system. Background Art
[0002] As new energy technologies become increasingly mature, the application of cells is becoming more and more widespread, and the market demand is huge. It has become a trend to manufacture cells through automated production. After the cell is wrapped with a blue film, insulation detection is required. In existing equipment, there is a method of using a telescopic platform in cooperation with a pressure insulation testing structure to perform insulation testing. However, this method is difficult to adapt to large-sized cells, and the testing accuracy is relatively low and difficult to meet the current quality requirements. There is also a method on the market that uses a platform fixture to clamp the cell on the side, move the cell to a specified position and then detect it through a probe. Although this method can adapt to large-sized cells, there are still problems such as inaccurate positioning and incomplete and inaccurate insulation detection.
[0003] It should be noted that the information disclosed in the above background art section is only used to enhance the understanding of the background of the present disclosure. Therefore, it may include information that does not constitute the prior art known to those of ordinary skill in the art. Summary of the Utility Model
[0004] A main object of this application is to provide a method for synchronously performing five-sided insulation testing in the vertical state of the cell, and setting a movable reference structure and a test pressing plate structure, which can adapt to the testing of cells of different sizes, and can also take into account the precise positioning of the bottom surface, large surface and side surface of the cell to improve the accuracy of insulation detection, thereby at least to a certain extent overcoming one or more problems caused by the limitations and defects of the related art.
[0005] To achieve the above application purpose, this application adopts the following technical solutions:
[0006] According to one aspect of the present application, a cell insulation testing device is provided, including: a base for carrying a cell in a vertical state, with the electrodes of the cell located above. A base reference mechanism is provided on the base, and a test board is provided on the base reference mechanism; a large surface testing device, including a large surface reference mechanism and a large surface pressing mechanism capable of pushing the cell against the large surface reference mechanism. The large surface reference mechanism and the large surface pressing mechanism are respectively arranged on the left and right sides of the base reference mechanism, and test boards are provided on one side of the large surface reference mechanism and the large surface pressing mechanism facing the cell; a side surface testing device, including a side surface reference mechanism and a side surface pressing mechanism capable of pushing the cell against the side surface reference mechanism with the side surface reference mechanism as a reference. The side surface reference mechanism and the side surface pressing mechanism are respectively arranged on the front and back sides of the base reference mechanism, and test boards are provided on one side of the side surface reference mechanism and the side surface pressing mechanism facing the cell; a probe testing device, including a power-on test board that can be telescopically moved up and down and is arranged above the cell. The power-on test board includes probes for electrically connecting with the electrodes of the cell.
[0007] According to an embodiment of the present application, the test board includes a substrate, silica gel coated on the substrate, and a conductive cloth provided on the surface. The test boards are respectively connected to test instruments.
[0008] According to an embodiment of the present application, one of the large surface reference mechanisms can be adapted to test the cells at at least two adjacent workstations. The large surface reference mechanism includes: a first bracket, including a large board vertically arranged along the conveying direction of the cell, and a plurality of vertically arranged test boards are carried on the large board; a first driving component, including a first driving member connected to the first bracket and a first slide rail provided on the base. The bottom of the first bracket is installed on the first slide rail and can reciprocate along the first slide rail in a direction perpendicular to the conveying direction of the cell.
[0009] According to an embodiment of the present application, the large surface pressing mechanism includes: a second bracket, carrying the vertically arranged test board; a second driving component, including a second driving member connected to the second bracket and a second slide rail provided on the base. The second bracket is installed on the second slide rail and can reciprocate along the second slide rail in a direction perpendicular to the conveying direction of the cell.
[0010] According to an embodiment of the present application, a foreign object detection mechanism is provided on the second bracket. The foreign object detection mechanism at least includes a height sensor for detecting whether the height of the cell exceeds a threshold.
[0011] According to an embodiment of the present application, the side reference mechanism includes: a third bracket that carries the vertically arranged test board. The third bracket includes a mounting block and a side plate, and the test board is disposed on the side of the side plate facing the battery cell. A third driving assembly includes a third driving member, and the third driving member is fixed to the large board through the mounting block. The side plate is disposed at the output end of the third driving member, and the third driving member drives the side plate to reciprocate in the battery cell conveying direction.
[0012] According to an embodiment of the present application, the side pressing mechanism includes: a fourth bracket that carries the vertically arranged test board; a fourth driving assembly including a fourth driving member and a fourth slide rail disposed on the large board. The fourth driving member is connected to the fourth slide rail, and the fourth bracket is mounted on the fourth slide rail and can reciprocate along the fourth slide rail in the battery cell conveying direction.
[0013] According to an embodiment of the present application, the probe test device includes: a fifth driving assembly disposed on the first bracket, including a fifth slide rail and a fifth driving member for driving the fifth slide rail to move; a fifth bracket mounted on the fifth slide rail and capable of reciprocating along the fifth slide rail in a direction perpendicular to the battery cell conveying direction; a sixth driving member fixed to the top of the fifth bracket, and the output end of the sixth driving member is connected to the energized test board to drive the energized test board to move up and down telescopically.
[0014] According to an embodiment of the present application, the energized test board includes a plurality of rubber blocks for pressing against the insulating board of the battery cell.
[0015] According to another aspect of the present application, a battery cell film wrapping system is provided, including the above-mentioned battery cell insulation test equipment and a main conveying track, and the insulation test equipment is respectively disposed on both sides of the main conveying track.
[0016] In the present application, first, five-sided insulation tests are synchronously performed in the vertical state of the battery cell, and the large surface reference mechanism, large surface pressing mechanism, side reference mechanism, and side pressing mechanism that can perform linear motion are provided to be able to adapt to the tests of battery cells of various sizes and also meet the requirements of accurate positioning and high-precision testing.
[0017] It should be understood that the above general description and subsequent detailed description are only exemplary and explanatory and cannot limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] By referring to the drawings and describing its exemplary embodiments in detail, the above and other features and advantages of the present application will become more obvious.
[0019] Figure 1It is a schematic structural diagram of an insulation testing device shown according to an exemplary embodiment;
[0020] Figure 2 It is a schematic structural diagram of another perspective of an insulation testing device shown according to an exemplary embodiment;
[0021] Figure 3 It is a schematic structural diagram of yet another perspective of some components of an insulation testing device shown according to an exemplary embodiment;
[0022] Figure 4 It is a schematic structural diagram of still another perspective of some components of an insulation testing device shown according to an exemplary embodiment;
[0023] Figure 5 It is a schematic structural diagram of a large - surface pressing mechanism shown according to an exemplary embodiment;
[0024] Figure 6 It is a schematic structural diagram of another perspective of a large - surface pressing mechanism shown according to an exemplary embodiment;
[0025] Figure 7 It is a schematic structural diagram of a side reference mechanism shown according to an exemplary embodiment.
[0026] Among them, the description of the reference numerals is as follows:
[0027] 100, insulation testing device; 10, base; 20, base reference mechanism; 30, large - surface reference mechanism; 40, large - surface pressing mechanism; 50, side reference mechanism; 60, side pressing mechanism; 70, probe testing device; 31, first bracket; 311, large board; 312, main body; 32, first driving component; 321, first driving member; 322, first slide rail; 41, second bracket; 411, mounting frame; 412, bearing frame; 413, side plate; 414, front plate; 42, second driving component; 421, second driving member; 422, second slide rail; 43, pressure sensor; 44, foreign - object detection mechanism; 441, ultra - high sensor; 442, material - presence sensor; 51, third bracket; 511, side substrate; 512, mounting block; 52, third driving component; 61, fourth bracket; 62, fourth driving component; 621, fourth driving member; 622, fourth slide rail; 71, fifth bracket; 711, bottom plate; 712, bent plate; 72, fifth driving component; 721, fifth driving member; 722, fifth slide rail; 73, sixth driving member; 74, power - on test board; 741, pressing plate; 742, rubber block; 743, probe; 80, test board. Detailed implementation manners
[0028] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this application will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. Like reference numerals in the figures denote like or similar structures, and thus their detailed description will be omitted.
[0029] Referring to Figures 1 to 7 , in some embodiments, the insulation testing device 100 includes a base 10, a large surface testing device, a side surface testing device, and a probe testing device 70. When the battery cell is in the insulation testing device 100, it needs to be placed upright on the base 10, with the top end of the battery cell where the electrode is located facing upward, and the bottom end opposite to the top end being attached to the base 10. In this application, the state where the battery cell is correctly placed in the insulation testing device 100 will be used to assist in describing the positional relationship of other mechanisms.
[0030] Referring to Figure 3 , in a specific embodiment, the base 10 is used to carry the battery cell testing device. A base reference mechanism 20 is provided on the base 10, and the base reference mechanism 20 is provided with a test board 80 for detecting whether the bottom of the battery cell is leaking electricity. The large surface testing device is arranged corresponding to the two large surfaces of the battery cell and is used to test whether the two large surfaces of the battery cell are leaking electricity. The side surface testing device is arranged corresponding to the two side surfaces of the battery cell and is used to test whether the two side surfaces of the battery cell are leaking electricity. The probe testing device 70 is arranged corresponding to the upper part of the battery cell, and the probe testing device 70 tests the battery cell in a discharging manner. If the test board 80 on other surfaces is conducted, it means that the insulation test fails, indicating that there is a problem such as a damaged insulation film or a problem with the encapsulation of the battery cell.
[0031] Preferably, the test boards 80 provided in each testing device can be test boards 80 with the same structure, and the test boards 80 provided in different testing devices can be selected with different size specifications according to the size of the battery cell surface corresponding to the device. The test board 80 can include a substrate and a conductive cloth. The substrate is used to connect with each testing device. The surface of the substrate facing the battery cell is the test surface, and silicone is coated on the test surface. The conductive cloth is attached to the substrate through the silicone. The test boards 80 on each testing device are respectively connected to a testing instrument to determine whether conduction occurs, that is, whether the corresponding surface of the battery cell is leaking electricity. Preferably, the insulation testing device 100 can be provided with multiple detection stations.
[0032] Referring to Figures 3 to 5, In a specific embodiment, the large surface testing device includes a large surface reference mechanism 30 and a large surface pressing mechanism 40. The large surface reference mechanism 30 and the large surface pressing mechanism 40 are respectively arranged on the left and right sides of the base 10, and they are arranged facing each other and can linearly reciprocate in the first direction. Testing plates 80 are provided on both the large surface reference mechanism 30 and the large surface pressing mechanism 40 facing the side of the battery cell. The large surface reference mechanism 30 is pushed out to a set position to form a reference surface, and the large surface pressing mechanism 40 moves towards the battery cell and presses it against the large surface reference mechanism 30.
[0033] In a specific embodiment, the large surface reference mechanism 30 can adapt to the testing of the battery cell at at least two adjacent workstations, and one large surface reference mechanism 30 can be adapted to multiple large surface pressing mechanisms 40. The large surface reference mechanism 30 includes a first bracket 31 and a first driving assembly 32. The first bracket 31 includes a main body 312 and a large plate 311. The large plate 311 is fixed to the side of the main body 312. The large plate 311 is arranged along the conveying direction and is vertically arranged. Multiple testing plates 80 can be arranged on the front surface of one large plate 311. The first driving assembly 32 includes a first driving member 321 and a first slide rail 322. The first slide rail 322 is arranged on the base 10 in a direction perpendicular to the conveying direction of the battery cell. The first driving member 321 is installed on the base 10. The bottom of the first bracket 31 is installed on the first slide rail 322, and the output end of the first driving member 321 is connected to the back surface of the large plate 311. The first driving member 321 can drive the first bracket 31 to reciprocate along the first slide rail 322.
[0034] In a specific embodiment, the large surface pressing mechanism 40 includes a second bracket 41 and a second driving assembly 42. The second bracket 41 is installed on the base 10. The second bracket 41 includes an installation frame 411 and a bearing frame 412. One installation frame 411 can be connected to multiple bearing frames 412.
[0035] A set of second driving assemblies 42 is used separately for one large surface testing workstation. A set of second driving assemblies 42 is correspondingly connected to one bearing frame 412, and one installation frame 411 can install multiple second driving assemblies 42. The second driving assembly 42 includes a second driving member 421 and second slide rails 422. There can be multiple second slide rails 422. The second slide rails 422 are respectively arranged on the side plates 413 of the installation frame 411. The setting direction of the second slide rails 422 is perpendicular to the conveying direction of the battery cell. Both sides of the bearing frame 412 are respectively installed on the second slide rails 422. A testing plate 80 is installed on the front surface of the front plate 414 of the bearing frame 412 for testing one large surface of the battery cell. The second driving member 421 is installed on the main board of the installation frame 411, and the output end of the second driving member 421 is connected to the front plate 414. Preferably, a pressure sensor 43 can be arranged at the connection between the front plate 414 and the second driving member 421.
[0036] Preferably, the large surface testing device includes two testing stations. The large surface reference mechanism 30 includes a large board 311, and two testing boards 80 are provided on the large board 311. The two testing stations use the same large surface reference mechanism 30, which reduces the reference setting cost, and the same reference is beneficial to optimize the control. The large surface pressing mechanism 40 includes two groups of second driving components 42 and corresponding two bearing frames 412. Each station independently uses a second driving component 42 to perform the pressing drive, which can better independently adapt to the situation of the battery cells at each station. Preferably, a foreign object detection mechanism 44 can be provided on the second bracket 41. The foreign object detection mechanism 44 at least includes a height exceeding sensor 441 for detecting whether the height of the battery cell exceeds a threshold. For example, when there is a foreign object at the bottom to pad up the battery cell, it can be detected by the height exceeding sensor 441. The foreign object detection mechanism 44 can also include a presence sensor 442.
[0037] In a specific embodiment, the side testing device includes a side reference mechanism 50 and a side pressing mechanism 60. The side reference mechanism 50 and the side pressing mechanism 60 are arranged opposite to each other in the front and back along the battery cell conveying direction, and are respectively located on the front and back sides of the base reference mechanism 20.
[0038] See Figure 7 , in a specific embodiment, the side reference mechanism 50 includes a third bracket 51, a third driving component 52 and a testing board 80. The third bracket 51 includes a mounting block 512 and a side substrate 511. The third driving component 52 can include a third driving member. The third driving component 52 is mounted on the large board 311 through the mounting block 512, and the side substrate 511 is mounted on the output end of the third driving component 52. The side substrate 511 faces the battery cell and has a vertical surface, and the testing board 80 is mounted on the vertical surface. The testing board 80 can reciprocate in the battery cell conveying direction under the action of the third driving component 52.
[0039] See Figure 3 and Figure 4, in a specific embodiment, the side pressing mechanism 60 includes a fourth bracket 61, a fourth driving assembly 62, and a test board 80. The vertical surface of the fourth bracket 61 facing the battery cell bears the test board 80. The fourth driving assembly 62 includes a fourth driving member 621 and a fourth slide rail 622. The fourth slide rail 622 and the fourth driving member 621 are respectively installed on the large board 311. The fourth bracket 61 is installed on the fourth slide rail 622. The fourth driving member 621 is connected to the fourth bracket 61 and can drive the fourth bracket 61 to reciprocate along the fourth slide rail 622 in the battery cell conveying direction. Preferably, for two adjacent test stations, the two side reference mechanisms 50 are relatively arranged on the outer side of the large board 311, while the two side pressing mechanisms 60 are relatively arranged on the inner side of the large board 311, that is, the two side pressing mechanisms 60 are arranged adjacent to each other. Preferably, for two adjacent test stations, the same fourth slide rail 622 can be shared, and each test station is respectively provided with a fourth driving member 621. The fourth driving member 621 can be a cylinder, and the cylinders on two adjacent test stations are staggeredly arranged on the fourth slide rail 622.
[0040] In a specific embodiment, the probe test device 70 includes a fifth bracket 71, a fifth driving assembly 72, a sixth driving member 73, and a power-on test board 74. The fifth bracket 71 includes a bent plate 712 and a bottom plate 711. The fifth driving assembly 72 includes a fifth driving member 721 and a fifth slide rail 722. The fifth slide rail 722 is installed on the top of the main body 312 of the second bracket 41. The fifth driving member 721 is installed on the main body 312. The bottom plate 711 is installed on the fifth slide rail 722. The fifth driving member 721 is connected to the bottom plate 711, and the fifth driving member 721 can drive the bottom plate 711 to reciprocate along the fifth slide rail 722. The fifth slide rail 722 is arranged in a direction perpendicular to the battery cell conveying direction. One end of the bent plate 712 is fixedly connected to the bottom plate 711, and the other end is fixed with the sixth driving member 73. The output end of the sixth driving member 73 is installed with the power-on test board 74, and the sixth driving member 73 can drive the power-on test board 8074. The power-on test board 8074 includes a pressing plate 741, a rubber block 742, and a probe 743. The pressing plate 741 is fixed to the output end of the sixth driving member 73. The rubber block 742 is fixed to the bottom surface of the pressing plate 741. The probe 743 is installed on the pressing plate 741 and protrudes from the bottom surface of the pressing plate 741. During the test, the rubber block 742 presses against the top surface of the battery cell. On the one hand, it prevents the battery cell from shifting, and on the other hand, it has a buffering effect to prevent damage to the probe and the battery cell caused by the excessive stroke of the sixth driving member 73.
[0041] In a specific embodiment, the process of performing the insulation test mainly includes a battery cell positioning step and a power-on test step. After the battery cell is positioned, power can be applied through the electrical connection between the probe 743 and the electrode. During the power-on process, if the test board 80 is electrically conductive, it indicates a leakage. The battery cell positioning step is as follows: First, the large surface reference mechanism 30 is pushed towards the battery cell to a preset position. Then, the outer side reference mechanism 50 is pushed towards the battery cell to a preset position. Then, the inner side pressing mechanism 60 is driven to push towards the battery cell so that the battery cell abuts against the side reference mechanism 50. Then, the large surface test mechanism is pushed towards the battery cell so that the battery cell abuts against the large surface reference mechanism 30. Finally, the probe test device 70 is pushed towards the battery cell to be electrically connected to the electrode of the battery cell. Preferably, in the specific embodiment, the first driving member 321 to the sixth driving member 73 can adopt a cylinder or a motor.
[0042] In some embodiments, the battery cell packaging system includes the above-mentioned battery cell insulation test device 100 and a main conveying track. The insulation test devices 100 are respectively arranged on both sides of the main conveying track, and multiple stations can perform insulation tests synchronously.
[0043] In the embodiments of the application, terms such as "cooperate" and "connect" should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the application can be understood according to specific situations.
[0044] In the description of the embodiments of the application, it should be understood that the orientation or positional relationship indicated by terms such as "bottom" and "top" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the application and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the embodiments of the application.
[0045] In the description of this specification, the descriptions of terms such as "some embodiments" and "specific embodiments" mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the embodiments of the application. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0046] The above are only the preferred embodiments of the embodiments of the application and are not used to limit the embodiments of the application. For those skilled in the art, the embodiments of the application can have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the embodiments of the application shall be included in the protection scope of the embodiments of the application.
Claims
1. A battery cell insulation testing device, characterized in that, Comprising: A base for carrying a vertically placed battery cell with its electrodes located above. A base reference mechanism is provided on the base, and a test board is provided on the base reference mechanism. A large surface testing device, including a large surface reference mechanism and a large surface pressing mechanism capable of pushing the battery cell against the large surface reference mechanism. The large surface reference mechanism and the large surface pressing mechanism are respectively arranged on the left and right sides of the base reference mechanism. Test boards are provided on the sides of the large surface reference mechanism and the large surface pressing mechanism facing the battery cell. A side surface testing device, including a side surface reference mechanism and a side surface pressing mechanism capable of pushing the battery cell against the side surface reference mechanism with the side surface reference mechanism as a reference. The side surface reference mechanism and the side surface pressing mechanism are respectively arranged on the front and back sides of the base reference mechanism. Test boards are provided on the sides of the side surface reference mechanism and the side surface pressing mechanism facing the battery cell. A probe testing device, including a power-on test board that can be telescoped up and down and is arranged above the battery cell. The power-on test board includes probes for electrically connecting with the electrodes of the battery cell.
2. The cell insulation testing device according to claim 1, characterized in that The test board includes a substrate, silicone coated on the substrate, and a conductive cloth provided on the surface. The test boards are respectively connected to test instruments.
3. The cell insulation testing device according to claim 1, wherein One of the large surface reference mechanisms can be adapted to test the battery cells at at least two adjacent workstations. The large surface reference mechanism includes: A first bracket, including a large board vertically arranged along the conveying direction of the battery cell. A plurality of the vertically arranged test boards are carried on the large board. A first driving component, including a first driving member connected to the first bracket and a first slide rail provided on the base. The bottom of the first bracket is installed on the first slide rail and can reciprocate in a direction perpendicular to the conveying direction of the battery cell along the first slide rail.
4. The cell insulation testing device according to claim 1, wherein, The large surface pressing mechanism includes: A second bracket, carrying the vertically arranged test board. A second driving component, including a second driving member connected to the second bracket and a second slide rail provided on the base. The second bracket is installed on the second slide rail and can reciprocate in a direction perpendicular to the conveying direction of the battery cell along the second slide rail.
5. The cell insulation testing device according to claim 4, wherein, A foreign object detection mechanism is provided on the second bracket. The foreign object detection mechanism at least includes a height sensor for detecting whether the height of the battery cell exceeds a threshold value.
6. The cell insulation testing device according to claim 3, wherein, The side surface reference mechanism includes: A third bracket, carrying the vertically arranged test board. The third bracket includes a mounting block and a side plate. The test board is provided on the side of the side plate facing the battery cell. A third driving component, including a third driving member. The third driving member is fixed on the large board through the mounting block. The side plate is arranged at the output end of the third driving member, and the third driving member drives the side plate to reciprocate in the conveying direction of the battery cell.
7. The cell insulation test device according to claim 3, characterized in that, The side surface pressing mechanism includes: A fourth bracket, carrying the vertically arranged test board. A fourth driving component, including a fourth driving member and a fourth slide rail provided on the large board. The fourth driving member is connected to the fourth slide rail. The fourth bracket is installed on the fourth slide rail and can reciprocate in the conveying direction of the battery cell along the fourth slide rail.
8. The cell insulation testing device according to claim 3, characterized in that, The probe test device includes: A fifth driving component, which is arranged on the first bracket and includes a fifth slide rail and a fifth driving member for driving the movement of the fifth slide rail; A fifth bracket, which is installed on the fifth slide rail and can reciprocate along the fifth slide rail in a direction perpendicular to the direction of the battery cell conveying; A sixth driving member, which is fixed at the top end of the fifth bracket, and the output end of the sixth driving member is connected to the power-on test board to drive the power-on test board to move up and down telescopically.
9. The cell insulation testing device according to claim 8, characterized in that, The power-on test board includes a plurality of rubber blocks for pressing against the insulating board of the battery cell.
10. A battery cell coating system, characterized in that, It includes the battery cell insulation test equipment according to any one of claims 1 to 9, and a main conveying track, and the insulation test equipment is respectively arranged on both sides of the main conveying track.