Device for detecting battery cell, support for supporting battery cell and conveying device

Abstract

The utility model discloses a device for detecting a battery cell, a support for supporting the battery cell and a conveying device. The device for detecting the battery cell comprises a supporting frame and a detection structure, the detection structure is arranged on the supporting frame, the supporting frame comprises a first supporting plate and a second supporting plate, and the first supporting plate and the second supporting plate are oppositely arranged in a spaced mode to define a first detection area where the battery cell enters; the detection structure comprises a first detection piece, a second detection piece, a third detection piece and a fourth detection piece, the first detection piece is arranged on the first supporting plate and connected with the second detection piece, the third detection piece is arranged on the second supporting plate and connected with the fourth detection piece, and the fourth detection piece is arranged on the second supporting plate. The second detection piece and the fourth detection piece define a second detection area in contact with two tabs of the battery cell; wherein the second detection area is used for detecting a battery cell, the battery cell sequentially enters the first detection area and the second detection area, and tabs of the battery cell are in contact with the second detection piece and the second detection piece respectively; according to the device for detecting the battery cell, manual detection is replaced, and the detection efficiency and the detection accuracy are improved.

Description

Technical Field

[0001] This utility model relates to the field of battery cell technology, and more specifically, to a device for detecting battery cells, a support for supporting battery cells, and a conveying device. Background Technology

[0002] The patent with patent number "CN102347515A" mainly relates to a wound lithium battery cell and battery, including a positive electrode sheet, a negative electrode sheet, a separator, a positive current collector and a negative current collector. The upper end of the positive electrode sheet and the lower end of the negative electrode sheet are provided with uncoated blank strips. After winding, the lower surface of the positive current collector is in close contact with the blank strip of the positive electrode sheet, and the upper surface of the negative current collector is in close contact with the blank strip of the negative electrode sheet. The positive and negative current collectors are electrically connected to the battery cover and the casing, respectively. The positive and negative current collectors are also provided with radial grooves, electrolyte holes and specific connectors. There is an insulating sealing ring between the battery casing and the cover, and the cover has an injection port.

[0003] In this patent, uncoated blank strips are provided at the upper end of the positive electrode and the lower end of the negative electrode. After the positive and negative electrodes are separated by a diaphragm, they are wound together. After winding, the lower surface of the positive current collector is in close contact with the blank strip of the positive electrode, and the upper surface of the negative current collector is in close contact with the blank strip of the negative electrode. Due to deformation of the blank strip, manufacturing deviations of the current collector, and damage to the insulation of the insulating sealing ring and the liquid injection port, there is a risk of short circuit after the cell is wound.

[0004] Currently, the production process typically uses manual sampling to detect short circuits in battery cells. This method is slow and has a certain error rate, making it difficult to ensure that all problematic cells are detected. There is room for improvement. Utility Model Content

[0005] The present invention aims to at least solve one of the technical problems existing in the prior art. Therefore, the first objective of the present invention is to provide a device for testing battery cells, replacing manual testing and improving testing efficiency and accuracy.

[0006] The second objective of this invention is to provide a support for battery cells.

[0007] The third objective of this invention is to provide a conveying device.

[0008] The first aspect of this utility model provides a device for testing battery cells, comprising: a support frame and a testing structure. The testing structure is disposed on the support frame. The support frame includes: a first support plate and a second support plate perpendicular to a horizontal plane. The first support plate and the second support plate are spaced apart and opposite to each other, defining a first testing area where the battery cell enters. The testing structure includes: a first testing element, a second testing element, a third testing element, and a fourth testing element. The first testing element is disposed on the first support plate and connected to the second testing element. The third testing element is disposed on the second support plate and connected to the fourth testing element. The second testing element and the fourth testing element define a second testing area that contacts the two tabs of the battery cell. The second testing area is used to test the battery cell. The battery cell sequentially enters the first testing area and the second testing area, and its tabs contact the second testing element and the fourth testing element, respectively.

[0009] According to one embodiment of the present invention, the first detection element is flexibly connected to the second detection element, and the third detection element is flexibly connected to the fourth detection element.

[0010] In some embodiments, the flexible connection is an interlocking connection; or, the flexible connection is an elastic connection; or, the flexible connection is a hinge connection.

[0011] According to one embodiment of the present invention, the first detection element is a first probe, the second detection element is a second probe, the third detection element is a third probe, and the fourth detection element is a fourth probe. The ends of the first probe, the second probe, the third probe, and the fourth probe are all provided with a connecting structure. The connecting structure is annular or partially arc-shaped, so that the connecting structure of the first probe is nested or hooked with the connecting structure of the second probe, and the connecting structure of the third probe is nested with the connecting structure of the fourth probe.

[0012] In some embodiments, the first probe, the second probe, the third probe, and the fourth probe have the same structure.

[0013] According to one embodiment of the present invention, the first support plate and the second support plate have the same structure.

[0014] According to one embodiment of the present invention, the support frame further includes a connecting plate, one end of which is connected to the first support plate and the other end of which is connected to the second support plate.

[0015] According to one embodiment of the present invention, the first support plate is provided with a first flange, and the second support plate is provided with a second flange, wherein the first flange is opposite to and spaced apart from the second flange.

[0016] The second aspect of this utility model provides a support for a battery cell, which is used in conjunction with the device for detecting the battery cell. The support matches the first detection area and the second detection area in the device for detecting the battery cell. The support has a groove that matches the shape of the battery cell, and the battery cell is placed in the groove and engages with the groove.

[0017] The third aspect of this utility model provides a conveying device for conveying the support for the battery cell. The conveying device includes a conveying platform and a conveyor belt. The conveyor belt is laid on the conveying platform, and the support is placed at a predetermined position on the conveyor belt. The conveyor belt sequentially conveys the support to the first detection area and the second detection area for detection.

[0018] According to an embodiment of the present invention, the device for testing battery cells has a first and second support plate perpendicular to the horizontal plane, which are spaced apart and opposite to each other to define a first testing area, ensuring that the battery cell accurately enters the testing position and improving testing accuracy. The first and second testing elements are movably connected, and the third and fourth testing elements are movably connected. Based on this, the second and fourth testing elements define a second testing area. This design allows the battery cell to enter the first testing area first, and then the second testing area, so that the battery cell tabs contact the second and fourth testing elements and drive the testing elements to move, thereby realizing battery cell testing and replacing manual testing, which is both accurate and efficient. Simultaneously, the other end of the first testing element is fixed to the first support plate to ensure the stability of the second testing element when it contacts and moves with the battery cell tabs; one end of the third testing element is fixedly connected to the second support plate to ensure the stability and safety of the fourth testing element when it contacts and moves with the other battery cell tab. Furthermore, the design of the first and second support plates ensures that the device for testing battery cells will not shake or tilt during the testing process, ensuring the stability and accuracy of the testing results. This device can also adapt to battery cells of different sizes, making it highly versatile. Furthermore, automated testing greatly improves production efficiency, reduces labor and time costs, and accurate test results can promptly identify defective cells, avoiding subsequent production waste and reducing production costs. Stable performance also reduces equipment maintenance costs and failure rates, and extends equipment lifespan.

[0019] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0021] Figure 1 This is a schematic diagram of the device and support for detecting battery cells according to an embodiment of the present utility model;

[0022] Figure 2 This is a schematic diagram of the device for detecting battery cells according to an embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of the structure of the device, support, and conveying device for detecting battery cells according to an embodiment of the present invention.

[0024] Figure label:

[0025] 10. Support frame; 101. First support plate; 1011. First flange; 102. Second support plate; 1012. Second flange; 103. First detection area; 104. Second detection area; 105. Connecting plate;

[0026] 20. Detection structure; 201. First detection component; 202. Second detection component; 203. Third detection component; 204. Fourth detection component;

[0027] 30. Support; 301. Groove;

[0028] 40. Conveying device; 401. Conveying platform; 402. Conveyor belt;

[0029] 50. Battery cell; 501. Electrode. Detailed Implementation

[0030] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0031] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "plate thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] The first objective of this invention is to provide a device for testing battery cells, replacing manual testing and improving testing efficiency and accuracy. The second objective is to provide a support 30 for the battery cell, which works in conjunction with the aforementioned device to ensure stable placement of the battery cell 50 when it enters the first testing area 103 and the second testing area 104, facilitating more accurate testing of the battery cell 50 by the testing structure 20. For example, the support 30 has a groove 301 that matches the shape of the battery cell 50. The battery cell 50 is placed within and engages with the groove 301. This engagement design ensures that the support 30 enters the first testing area 103 and that the battery cell 50 on the support 30 can enter and match the second testing area 104. Furthermore, it allows the tabs 501 of the battery cell 50 to contact the second and fourth testing elements 202 and 204, thereby enabling the testing of the battery cell 50. The support 30 is designed to address the instability of the battery cell 50 during the testing process. This invention provides a support 30 for the battery cell, which can fix the battery cell 50 and improve the accuracy and reliability of the testing. By using the support 30 of this invention in conjunction with the device for testing the battery cell 50, the testing efficiency and accuracy can be improved, and the testing error can be reduced. A third objective of this invention is to provide a conveying device 40 for conveying the support 30 for the battery cell. The conveyor belt 402 of the conveying device 40 is designed to adapt to the size and shape of the support 30, and can stably convey the support 30 and the battery cell 50 to the testing area.

[0034] The role of the conveying device 40 in the entire testing process is to achieve efficient operation of the battery cell testing device. For example, the conveying device 40 of this utility model, together with the battery cell testing device and the support 30, constitutes a complete battery cell testing system. By accurately conveying the support 30 and the battery cell 50 to the testing area, the automation level and production efficiency of the testing are improved.

[0035] By using the conveying device 40 of this utility model, in conjunction with the device for detecting battery cells and the device for supporting the support 30, continuous and efficient detection of battery cells 50 can be achieved, reducing manual operation costs and improving the consistency and reliability of detection.

[0036] The following is combined Figures 1-3 The image shows a device for detecting battery cells according to an embodiment of the present invention.

[0037] like Figures 1-3 As shown, the first aspect of this utility model discloses a device for testing battery cells, comprising: a support frame 10 and a testing structure 20. The testing structure 20 is disposed on the support frame 10, which includes: a first support plate 101 and a second support plate 102 perpendicular to the horizontal plane, ensuring that the device will not shake or tilt during the testing process, thus ensuring the stability and reliability of the testing results. The first support plate 101 and the second support plate 102 are spaced apart and positioned opposite each other to define a first testing area 103 into which the battery cell 50 enters. This design ensures that the battery cell 50 accurately reaches the testing position, improving the accuracy of the testing. The detection structure 20 includes a first detection element 201, a second detection element 202, a third detection element 203, and a fourth detection element 204. The first detection element 201 is disposed on the first support plate 101 and is connected to the second detection element 202. The third detection element 203 is disposed on the second support plate 102 and is connected to the fourth detection element 204. The second detection element 202 and the fourth detection element 204 define a second detection area 104 that contacts the two tabs 501 of the battery cell 50. The second detection area 104 is used to detect the battery cell 50. The battery cell 50 enters the first detection area 103 and the second detection area 104 in sequence, and its tabs 501 contact the second detection element 202 and the fourth detection element 204 respectively.

[0038] In this invention, the first detection element 201 and the second detection element 202 are preferably movably connected, and the third detection element 203 and the fourth detection element 204 are preferably movably connected. This allows the second and fourth detection elements 204 to move smoothly along with the battery cell 50, ensuring good contact between the tab 501 and the second and fourth detection elements 204, while avoiding damage to the battery cell 50 or detection errors caused by rigid connections, thus improving the stability and safety of the detection operation. Detection through contact between the tab 501 and the second and fourth detection elements 204 enables accurate detection of the battery cell 50.

[0039] According to the battery cell testing device of this utility model embodiment, the first support plate 101 and the second support plate 102 of the support frame 10 are perpendicular to the horizontal plane and are spaced apart and opposite to each other to define a first testing area 103, ensuring that the battery cell 50 accurately enters the testing position and improving the testing accuracy. The first testing element 201 is movably connected to the second testing element 202, and the third testing element 203 is movably connected to the fourth testing element 204. Based on this, the second testing element 202 and the fourth testing element 204 define a second testing area 104. This design is so that the battery cell 50 first enters the first testing area 103 and then enters the second testing area 104, so that the battery cell 50 tab 501 contacts the second and fourth testing elements 204 and drives the testing elements to move, thereby realizing the testing of the battery cell 50, replacing manual testing, which is both accurate and efficient. Meanwhile, the other end of the first detection component 201 is fixed to the first support plate 101, ensuring the stability of the second detection component 202 when it contacts and moves with the tab 501 of the battery cell 50; one end of the third detection component 203 is fixedly connected to the second support plate 102, ensuring the stability and safety of the fourth detection component 204 when it contacts and moves with the tab 501 of the battery cell 50. Furthermore, the design of the first and second support plates 102 ensures that the device for detecting the battery cell 50 will not shake or tilt during the detection process, ensuring the stability and accuracy of the detection results. This device can also adapt to battery cells 50 of different sizes, exhibiting strong versatility. Moreover, automated detection greatly improves production efficiency, reduces labor and time costs, and accurate detection results can promptly identify defective battery cells 50, avoiding subsequent production waste and reducing production costs. Stable performance also reduces equipment maintenance costs and failure rates, extending the equipment's lifespan.

[0040] According to one embodiment of the present invention, such as Figure 1 and Figure 2 As shown, in order to ensure that the second detection element 202 contacts and moves with the tab 501 of the battery cell 50, and the fourth detection element 204 contacts and moves with the other tab 501 of the battery cell 50, thereby achieving the accuracy of the detection of the battery cell 50 and the detection results, the first detection element 201 and the second detection element 202 are flexibly connected, and the third detection element 203 and the fourth detection element 204 are flexibly connected.

[0041] On the one hand, it improves the adaptability of the detection device to battery cells 50 of different shapes and sizes, and can adjust to the slight positional changes of the tabs 501 when the battery cell 50 enters the second detection area 104, ensuring good contact. On the other hand, it protects the safety of the battery cell 50. During the movement of the battery cell 50, the flexible connection can buffer the impact force and reduce the risk of damage to the battery cell 50. At the same time, it enhances the stability of detection, reduces the vibration or instability factors that may be caused by rigid connections, and improves the accuracy and stability of detection results. In addition, it facilitates installation and maintenance. The components of the flexible connection are easier to disassemble and replace, reducing the difficulty of installation and maintenance and improving the maintainability of the equipment.

[0042] In some embodiments, in order to enable the second and fourth detection elements 204 to move with the battery cell 50 and perform accurate detection, thereby improving detection precision and accuracy, the flexible connection is an interlocking connection; or, the flexible connection is an elastic connection; or, the flexible connection is a hinge connection. There are various flexible connection methods, and no limitation is made in this utility model.

[0043] The interlocking connection offers both flexibility and reliability. This connection method ensures flexibility between the testing components. For example, when tab 501 contacts the testing component, the testing component needs to move along with tab 501 to achieve omnidirectional testing, ensuring accurate test results. This interlocking connection provides flexibility, comprehensiveness, and accuracy in testing cell 50. Simultaneously, it allows for easy disassembly, replacement, and maintenance, offering convenience to the operator.

[0044] Alternatively, a flexible connection can be used, which provides excellent cushioning. When the battery cell 50 is subjected to external impact or irregular movement, the flexible connection can absorb part of the impact force, reducing damage to the battery cell 50 and the detection element. Simultaneously, the flexible connection can adapt to battery cells 50 of different sizes, adjusting the position of the detection element through elastic deformation to ensure that the tab 501 maintains good contact with the detection element at all times.

[0045] The elastic connection can be made of springs or elastic rubber materials. For example, a spring can be connected between the first detection element 201 and the second detection element 202. When the battery cell 50 enters the first detection area 103 and the tab 501 contacts the second detection element 202, the spring will compress or stretch according to the pressure of the battery cell 50, thereby allowing the second detection element 202 to adapt to the positional changes of the battery cell 50. At the same time, the elastic force of the spring can also ensure that the tab 501 and the detection element always maintain a certain contact pressure. This elastic connection can also be used for the elastic connection between the third detection element 203 and the fourth detection element 204. The elastic connection method can buffer the impact force generated during the movement of the battery cell 50, protecting the battery cell 50 and the detection element from damage.

[0046] Alternatively, a hinged connection can be used, which offers flexibility and adjustability. It allows the testing element to rotate freely within a certain range, better adapting to changes in the shape and position of the battery cell 50. During testing, the hinged connection can be adjusted according to different angles and positions of the battery cell 50, ensuring good contact between the testing element and the tab 501, thus improving the accuracy and reliability of the testing.

[0047] A hinged connection typically consists of two hinged components. For the hinged connection between the first detection element 201 and the second detection element 202, a small hinge structure is provided at the connection point, allowing the second detection element 202 to rotate around a hinge axis at a certain angle. When the position of the tab 501 of the battery cell 50 changes, the second detection element 202 can adjust its angle by rotating the hinge to maintain good contact with the tab 501. This structure can also be used for the hinged connection between the third detection element 203 and the fourth detection element 204. The hinged connection method is flexible and can adapt to different angles and positions of the tab 501 of the battery cell 50, improving the adaptability of the detection.

[0048] According to one embodiment of the present invention, such as Figure 1 and Figure 2 As shown, to ensure accurate contact with the two tabs 501 of the battery cell 50 and guarantee accurate detection, the first detection element 201 is a first probe, the second detection element 202 is a second probe, the third detection element 203 is a third probe, and the fourth detection element 204 is a fourth probe. Each of the first, second, third, and fourth probes has a connecting structure at its end. This connecting structure is annular or partially arc-shaped, allowing for nested or interlocking connections between the connecting structures of the first, second, third, and fourth probes. The reason why the first, second, third, and fourth detection elements 204 are all probes is that their fine tips enable precise detection of the tabs 501, reducing detection errors and improving the reliability of the detection results.

[0049] Specifically, when the tab 501 of the battery cell 50 contacts and moves with the second probe, the connection structures between the first and second probes, and between the third and fourth probes, are ring-shaped or partially arc-shaped, forming a flexible connection through nesting or interlocking. During the movement of the battery cell 50, the second probe moves around the ring-shaped or arc-shaped portion of the first probe's connection structure, thus achieving contact and movement between the second probe and the tab 501 to measure the battery cell 50. Similarly, the fourth probe moves around the ring-shaped or arc-shaped portion of the third probe's connection structure, thus achieving contact and movement between the fourth probe and the other tab 501 to measure the battery cell 50. This design ensures detection accuracy; through flexible connections, the probes can closely follow the movement of the tab 501 of the battery cell 50, guaranteeing consistent good contact and improving detection accuracy.

[0050] In some embodiments, for ease of maintenance and replacement, and also to reduce costs, the first probe, the second probe, the third probe, and the fourth probe have the same structure.

[0051] On the one hand, standardized production processes and materials can be used in manufacturing, improving production efficiency, reducing production costs, and facilitating bulk purchasing and inventory management, thereby reducing supply chain complexity and costs. On the other hand, it facilitates maintenance and replacement, allowing for quick identification of suitable replacement parts in case of malfunctions, reducing repair time and costs, and simplifying maintenance.

[0052] According to one embodiment of the present invention, in order to facilitate maintenance and replacement, and also to reduce costs, the first support plate 101 and the second support plate 102 have the same structure.

[0053] According to one embodiment of this utility model, in order to ensure the stability of the structure and the accuracy of the test results, the support frame 10 further includes a connecting plate 105, one end of which is connected to the first support plate 101 and the other end of which is connected to the second support plate 102. Connecting the first and second support plates 102 via the connecting plate 105 makes the structure more compact, thus ensuring the accuracy of the cell 50 test.

[0054] According to one embodiment of the present invention, in order to increase the contact area between the first support plate 101 and the horizontal surface and the contact area between the second support plate 102 and the horizontal surface, making the structure more stable and ensuring the stability of the movement of the electrode tab 501 when it contacts the detection element, such as... Figure 1 and Figure 2 As shown, the first support plate 101 is provided with a first flange 1011, and the second support plate 102 is provided with a second flange 1012. The first flange 1011 and the second flange 1012 are opposite to each other and spaced apart.

[0055] The second aspect of this utility model provides a support 30 for supporting the battery cell 50, such as... Figure 1 As shown, combined with Figure 2 As shown, the support 30 is used in conjunction with the device for detecting the battery cell 50. The support 30 matches the first detection area 103 and the second detection area 104 in the device for detecting the battery cell 50. The support 30 has a groove 301 that matches the shape of the battery cell 50. The battery cell 50 is placed in the groove 301 and engages with the groove 301.

[0056] The third aspect of this utility model provides a conveying device 40, such as... Figure 3 As shown, combined with Figure 2 As shown, the conveying device 40 is used to convey the support 30 of the battery cell. The conveying device 40 includes a conveying platform 401 and a conveyor belt 402. The conveyor belt 402 is laid on the conveying platform 401, and the support 30 is placed at a predetermined position on the conveyor belt 402. The conveyor belt 402 conveys the support 30 to the first detection area 103 and the second detection area 104 for detection in sequence.

[0057] The device for detecting battery cells according to the embodiments of this utility model, as well as the other components and operations described herein, are known to those skilled in the art and will not be described in detail here. The vertical, horizontal, and front-back directions are defined as shown in the figures.

[0058] In the description of this utility model, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features not in direct contact but through another feature between them. Moreover, "above," "over," and "on top" of the second feature include the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature.

[0059] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0060] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A device for detecting battery cells, characterized in that, include: The support frame (10) and the detection structure (20) are provided on the support frame (10). The support frame (10) includes a first support plate (101) and a second support plate (102) perpendicular to the horizontal plane. The first support plate (101) and the second support plate (102) are spaced apart and opposite to each other to define a first detection area (103) in which the battery cell (50) enters. The detection structure (20) includes: a first detection element (201), a second detection element (202), a third detection element (203), and a fourth detection element (204). The first detection element (201) is disposed on the first support plate (101) and is connected to the second detection element (202). The third detection element (203) is disposed on the second support plate (102) and is connected to the fourth detection element (204). The second detection element (202) and the fourth detection element (204) define a second detection area (104) that contacts the two tabs (501) of the battery cell (50). The second detection area (104) is used to detect the battery cell (50). The battery cell (50) enters the first detection area (103) and the second detection area (104) in sequence, and its tab (501) contacts the second detection element (202) and the fourth detection element (204) respectively.

2. The device for detecting battery cells according to claim 1, characterized in that, The first detection element (201) is flexibly connected to the second detection element (202), and the third detection element is flexibly connected to the fourth detection element (204).

3. The device for detecting battery cells according to claim 2, characterized in that, The flexible connection is an interlocking ring connection; Alternatively, the flexible connection may be an elastic connection; Alternatively, the flexible connection may be a hinge connection.

4. The device for detecting battery cells according to claim 1, characterized in that, The first detection element (201) is a first probe, the second detection element is a second probe, the third detection element is a third probe, and the fourth detection element (204) is a fourth probe. The ends of the first probe, the second probe, the third probe, and the fourth probe are all provided with a connecting structure. The connecting structure is ring-shaped or partially arc-shaped so that the connecting structure of the first probe is nested or hooked with the connecting structure of the second probe, and the connecting structure of the third probe is nested with the connecting structure of the fourth probe.

5. The device for detecting battery cells according to claim 4, characterized in that, The first probe, the second probe, the third probe, and the fourth probe have the same structure.

6. The device for detecting battery cells according to claim 1, characterized in that, The first support plate (101) and the second support plate (102) have the same structure.

7. The device for detecting battery cells according to claim 1, characterized in that, The support frame (10) further includes a connecting plate (105), one end of which is connected to the first support plate (101) and the other end of which is connected to the second support plate (102).

8. The device for detecting battery cells according to claim 1, characterized in that, The first support plate (101) is provided with a first flange (1011), and the second support plate (102) is provided with a second flange (1012). The first flange (1011) is opposite to and spaced apart from the second flange (1012).

9. A support for a battery cell, characterized in that, The support (30) is used in conjunction with the device for detecting the battery cell (50) according to claim 1. The support (30) matches the first detection area (103) and the second detection area (104) in claim 1. The support (30) has a groove (301) that matches the shape of the battery cell (50). The battery cell (50) is placed in the groove (301) and engages with the groove (301).

10. A conveying device, characterized in that, The conveying device (40) is used to convey the support (30) of the supporting cell (50) according to claim 9. The conveying device (40) includes: a conveying platform (401) and a conveyor belt (402). The conveyor belt (402) is laid on the conveying platform (401). The support (30) is placed at a predetermined position on the conveyor belt (402). The conveyor belt (402) sequentially conveys the support (30) to the first detection area (103) and the second detection area (104) for detection.

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