Battery testing tool, application method of battery testing tool, and control method

Abstract

A battery testing tool, an application method of the battery testing tool, and a control method. The battery testing tool comprises: a holder (1), at least two sets of driving assemblies (2), and at least two abutting members (3), the driving assemblies (2) being mounted on the holder (1), and an abutting member (3) being disposed on each set of driving assemblies (2). Abutting faces of the abutting members (3) facing away from the holder (1) are used to abut against a battery to be tested (9). Each abutting member (3) can move in a direction away from or towards the holder (1), driven by the driving assemblies (2).

Description

Battery testing tooling, usage and control methods of battery testing tooling

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This disclosure is based on Chinese patent application number 202311288355.0, application date October 8, 2023, and invention name “Battery testing tool, method for using battery testing tool and control method”, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby introduced into this disclosure as a reference. Technical Field

[0003] The present disclosure relates to the field of battery technology, and in particular to a battery testing tool, and a method for using and controlling the battery testing tool. Background Art

[0004] New energy batteries are being used more and more widely in life and industry. For example, new energy vehicles equipped with batteries have been widely used. In addition, batteries are also being increasingly used in energy storage fields.

[0005] Different application scenarios require different battery performance requirements, and the required battery shapes also vary. Regardless of the battery shape, airtightness testing is required during the production process. In the related art, corresponding airtightness testing tooling is designed for different batteries, resulting in poor compatibility among the tooling used for battery airtightness testing.

[0006] Summary of the Invention

[0007] The present disclosure provides a battery testing tool, a method for using the battery testing tool, and a method for controlling the battery testing tool, which can improve the versatility of the battery testing tool.

[0008] A first aspect of the present disclosure provides a battery testing tool, comprising: a bracket, at least two groups of drive components and a pressure piece, wherein the drive component is installed on the bracket; each group of drive components is provided with a pressure piece, and the pressure surface of the pressure piece away from the bracket is used to abut against the battery to be tested; each pressure piece can move in a direction away from or close to the bracket under the drive of the drive component.

[0009] Because a bracket is provided, various parts in the battery test tool can be set on the bracket to install and carry various parts through the bracket; and at least two groups of drive components are provided, the drive components can be fixed on the bracket, and a pressure piece can be provided on each group of drive components, so that the battery test tool has at least two pressure pieces; in this way, each group of drive components can be controlled to move independently according to the different shapes of the batteries to be tested, so as to drive each pressure piece to move independently, and each group of drive components can drive different pressure pieces to move different distances toward the batteries to be tested, so that each pressure piece can move to fit and abut the abutting surface of the batteries to be tested. Therefore, the battery test tool provided by the embodiment of the present disclosure can control different pressure pieces to move independently according to the shapes of the abutting surfaces of different batteries to be tested, so that the abutting surfaces of the batteries to be tested are all pressed by the pressure pieces, so that the battery test tool can be used to test batteries to be tested with different shapes, thereby improving the versatility of the battery test tool.

[0010] In a possible implementation of the present disclosure, the drive assembly includes an axial drive member, the pressing member is connected to the bracket via the axial drive member, and the axial drive member is used to drive the pressing member to move away from or toward the bracket.

[0011] Because the drive assembly is provided with an axial drive member, the axial drive member can perform linear reciprocating motion, thereby driving the pressure member to also perform linear reciprocating motion. In this way, the axial drive member in each drive assembly can drive the pressure members connected to the axial drive member to independently move toward the battery to be tested, and each pressure member can move a different distance. Alternatively, based on the size and shape of the battery to be tested, a portion of the pressure members can be selected to adapt to the size of the battery to be tested, and the axial drive member connected to each portion of the pressure members can drive this portion of the pressure members to move independently, while the other axial drive members and pressure members can remain motionless in the standby position, thereby adapting to different batteries to be tested and saving driving energy.

[0012] In a possible implementation of the present disclosure, the drive assembly further includes a connecting member, and the pressing member is connected to the axial driving member via the connecting member.

[0013] Since a connecting member is provided between the axial drive member and the pressure member, a connecting structure that matches the existing connecting structure on the axial drive member can be provided on the connecting member, based on the connection structure of the axial drive member, to facilitate connection between the connecting member and the axial drive member. Alternatively, a corresponding connecting structure can be provided between the connecting member and the pressure member, based on the desired motion or connection method between the pressure member and the connecting member, to connect the pressure member and the connecting member. This facilitates connection between the pressure member and the axial drive member without being restricted by the existing connecting structure on the axial drive member.

[0014] In a possible implementation of the present disclosure, a disassembly structure is provided between the pressing member and the connecting member, and the pressing member and the connecting member are detachably connected via the disassembly structure.

[0015] Since a disassembly structure is provided between the pressing member and the connecting member, the pressing member and the connecting member can be connected relatively quickly, which facilitates the rapid installation and disassembly of multiple pressing members. Thus, the required number of pressing members and the installation position of the pressing members can be selected according to the size and shape of the battery to be tested, so as to quickly switch the battery testing tooling to adapt to the battery to be tested, thereby improving the efficiency of testing the battery to be tested.

[0016] In a possible implementation of the present disclosure, a movable connection structure is provided between the pressing member and the connecting member, and the pressing member can rotate relative to the connecting member through the movable connection structure.

[0017] Because a movable connection structure is provided between the connecting member and the pressing member, the pressing member can be rotated or swung relative to the axis of the connecting member. During contact between the pressing member and the abutting surface of the battery under test, the pressing member can adaptively adjust its posture through the movable connection structure according to the shape of the abutting surface to ensure good contact between the pressing member and the abutting surface of the battery under test.

[0018] In a possible implementation of the present disclosure, at least two pressing members are arranged in an array.

[0019] Since at least two pressing members are arranged in an array in the battery testing tooling, it is convenient to select corresponding partial pressing members or all pressing members according to the different shapes of the batteries to be tested, so as to drive these partial pressing members or all pressing members to abut against the abutting surfaces of the batteries to be tested respectively through the driving assembly.

[0020] In a possible implementation of the present disclosure, the battery testing tool also includes a first pressure sensor, and a first pressure sensor is provided on the pressing surface of each pressing member; when the pressing member abuts against the battery to be tested, the first pressure sensor is used to monitor the pressure exerted on the pressing surface.

[0021] Since a first pressure sensor is provided on the pressing surface of each pressing member, during the process of the air tightness test on the battery to be tested, the pressure change in the battery to be tested can be monitored by each first pressure sensor. In the case that the pressure in the battery to be tested suddenly changes due to external interference, the first pressure sensor can monitor the pressure change of the battery to be tested in real time. Each first pressure sensor is electrically connected to the controller, and the pressure value monitored by the first pressure sensor can be analyzed to determine whether the sudden change in pressure in the battery to be tested is caused by external interference or by quality problems of the battery to be tested itself. In this way, the pressure mutation data caused by external interference can be processed so that the battery to be tested can continue to be airtight tested without the need to inspect the battery to be tested and then conduct the airtightness test again, thereby improving the testing efficiency of the battery to be tested and thus improving production efficiency.

[0022] In one possible implementation of the present disclosure, the battery testing tool also includes an airtight device and a second pressure sensor; the airtight device is used to perform an airtight test on the battery to be tested, and each first pressure sensor is electrically connected to the airtight device; the second pressure sensor is electrically connected to the airtight device and is used to monitor the air pressure in the battery to be tested.

[0023] Since an airtight device is provided in the battery testing tooling, the airtight device can be used to perform testing steps such as inflation on the battery to be tested; and the first pressure sensor is electrically connected to the airtight device, and the airtight device can be controlled to start the corresponding airtightness test step for the battery to be tested according to the pressure data monitored by the first pressure sensor; at the same time, a second pressure sensor is provided, and the second pressure sensor is electrically connected to the airtight device, and the airtight device can be controlled to stop the corresponding airtightness test step according to the air pressure data inside the cavity of the battery to be tested monitored by the second pressure sensor.

[0024] In a possible implementation of the present disclosure, the structure of the second pressure sensor is compatible with the structure of the gas outlet of the battery to be tested, and the second pressure sensor can be connected to the gas outlet of the battery to be tested.

[0025] Since the structure of the second pressure sensor is configured to match the structure of the gas outlet of the battery to be tested, it is convenient to connect the second pressure sensor to the gas outlet of the battery to be tested to monitor the gas pressure inside the cavity of the battery to be tested undergoing airtightness testing.

[0026] In a possible implementation of the present disclosure, the battery testing tool also includes a controller, the first pressure sensor is electrically connected to the controller, and the controller is configured to receive first pressure data monitored by the first pressure sensor and determine the test status of the battery to be tested based on the first pressure data.

[0027] Since a controller is provided, the test status of the battery to be tested can be determined by the controller based on the acquired first pressure data, thereby reducing the number of times the battery to be tested is inspected and retested for air tightness due to mutation points in the monitored data during the air tightness test.

[0028] In a possible implementation of the present disclosure, the battery testing tool also includes a moving component, which is arranged on the side of the bracket facing the driving component. Each group of driving components is installed on the moving component, and each group of driving components can move under the drive of the moving component.

[0029] Since a moving component is provided on the bracket, and each group of driving components is provided on the moving component, each group of driving components can be driven to move by the moving component, and the pressing parts connected to the driving component can also be driven to move together. Therefore, according to the different placement positions of different batteries to be tested on the battery testing tooling and the structural shapes of different batteries to be tested, each pressing part can be moved to the corresponding position above the battery to be tested by the moving component, thereby making the battery testing tooling suitable for batteries to be tested with different structural shapes.

[0030] In a possible implementation of the present disclosure, the moving component includes a longitudinal guide component and a longitudinal drive component; the longitudinal guide component is installed on the bracket, the drive component is slidably connected to the longitudinal guide component, one end of the longitudinal drive component is connected to the bracket, and the other end is connected to the drive component; under the drive of the longitudinal drive component, the drive component can move along the extension direction of the longitudinal guide component.

[0031] Since a longitudinal guide assembly and a longitudinal drive member are provided, the drive assembly can be slidably connected to the bracket through the longitudinal guide assembly, and the drive assembly can be driven by the longitudinal drive member to move along the longitudinal guide assembly, so that the pressure member can be driven by the drive assembly to move along the third direction, so that each pressure member can be in a different position in the third direction.

[0032] In a possible implementation of the present disclosure, the moving assembly also includes a transverse guide assembly and a transverse driving member; the transverse guide assembly is slidably mounted on the longitudinal guide assembly, and the driving assembly is slidably mounted on the transverse guide assembly to be slidably connected to the longitudinal guide assembly, one end of the transverse driving member is connected to the transverse guide assembly, and the other end is connected to the driving assembly; under the drive of the transverse driving member, the driving assembly can move along the extension direction of the transverse guide assembly; wherein, the extension direction of the transverse guide assembly and the extension direction of the longitudinal guide assembly have an angle.

[0033] Since a transverse guide assembly and a transverse driving member are provided, and the transverse guide assembly is slidably installed on the longitudinal guide assembly, the driving assembly can be slidably installed on the transverse guide assembly to slide the driving assembly to the longitudinal guide assembly; the driving assembly can be driven to move by the transverse driving member to drive the pressing member to move along the second direction, and at the same time, the transverse guide assembly can be driven to move by the longitudinal driving member to drive the pressing member to move along the third direction, so that each pressing member can be in different positions not only in the second direction, but also in different positions in the third direction.

[0034] A second aspect of the present disclosure provides a method for using a battery testing jig, which includes: an airtight device, a drive assembly, and a pressure piece arranged on the drive assembly; the method of use includes: using a transport piece to place the battery to be tested on a test station corresponding to the battery testing jig; using the drive assembly to perform a driving action to drive the pressure piece to move toward the direction close to the battery to be tested until the pressure piece abuts against the battery to be tested; wherein a first pressure sensor is provided on the abutting surface of the pressure piece close to the battery to be tested, and the first pressure sensor is used to monitor the pressure value exerted on the pressure piece; and using the airtight device to perform an airtightness test on the battery to be tested.

[0035] Since the batteries to be tested are transported by a transport member, the transport speed of the batteries to be tested can be increased, and the accuracy of the placement of the batteries to be tested can also be improved; and the pressing member is driven to move by the driving component, so that the pressing member can be made to abut against the abutting surface of the battery to be tested. In this way, after the pressing member abuts against the abutting surface of the battery to be tested, the pressing member can apply a force to the battery to be tested to limit the battery to be tested from undergoing large deformation during the test process; at the same time, the corresponding airtightness test is performed on the battery to be tested through the airtight device to determine whether the airtightness of the battery to be tested meets the design requirements, so that batteries to be tested that do not meet the airtightness standards can be eliminated to improve the production quality of the battery.

[0036] In a possible implementation of the present disclosure, a battery testing tool includes at least two groups of drive components, each of which is provided with a pressure piece; the method of use further includes: determining a target pressure piece among the pressure pieces according to the shape of the battery to be tested; the shape formed by arranging the target pressure pieces is adapted to the abutment surface of the battery to be tested; and removing the standby pressure piece among the pressure pieces in the battery testing tool, the pressure pieces including the standby pressure piece and the target pressure piece.

[0037] Since the required target pressure piece is determined according to the shape of the battery to be tested and the standby pressure piece is removed, during the airtightness test of the battery to be tested, it is only necessary to control the target pressure piece to move to abut against the battery to be tested without considering the standby pressure piece; and after removing the standby pressure piece, the weight of the structural parts in the battery testing tooling can be reduced, which facilitates the control of the movement of the battery testing tooling.

[0038] A third aspect of the present disclosure provides a method for controlling a battery testing tool, which is applied to a controller, wherein the battery testing tool includes: an airtight device, a drive assembly, and a pressure piece arranged on the drive assembly; the control method includes: in response to a transportation request, controlling the transport member to place the battery to be tested on a test station corresponding to the battery testing tool; in response to a test request, controlling the drive assembly to perform a driving action to drive the pressure piece to move toward the direction close to the battery to be tested until the pressure piece abuts against the battery to be tested; wherein a first pressure sensor is provided on the abutting surface of the pressure piece close to the battery to be tested; controlling the airtight device to perform an airtight test on the battery to be tested; receiving first pressure data monitored by the first pressure sensor, and determining the test status of the battery to be tested based on the first pressure data.

[0039] Since the transport member is controlled to transport the battery to be tested, the transport speed of the battery to be tested can be increased, and the accuracy of the placement of the battery to be tested can be improved; and the driving component is controlled to drive the pressing member to move, so that the pressing member can be made to abut against the abutting surface of the battery to be tested. In this way, after the pressing member abuts against the abutting surface of the battery to be tested, the pressing member can apply a force to the battery to be tested to limit the battery to be tested from undergoing large deformation during the test; at the same time, the airtight device is controlled to perform a corresponding airtightness test on the battery to be tested to determine whether the airtightness of the battery to be tested meets the design requirements, so that batteries to be tested that do not meet the airtightness standards can be excluded to improve the production quality of the battery; and the mutation point data in the airtightness test process can be processed according to the first pressure data monitored by the first pressure sensor to reduce the number of retests of the battery to be tested, thereby improving the test efficiency of the battery to be tested to improve production efficiency.

[0040] In a possible implementation of the present disclosure, the test status of the battery to be tested is determined based on the first pressure data, including: when the first pressure data is greater than the test pressure value and the duration of the first pressure data being greater than the test pressure value is less than or equal to a preset duration, determining that the test status of the battery to be tested is normal; when the test status of the battery to be tested is normal, based on the test pressure value, fitting the interference test value, the interference test value being the first pressure data corresponding to the duration.

[0041] Since whether the test status of the battery to be tested is normal is determined based on the duration that the first pressure data is greater than the test pressure value and the preset time length, it is possible to quickly and easily determine whether the battery to be tested is subject to external interference during the airtightness test or whether the mutation in the test data is caused by the quality of the battery to be tested itself. This allows the mutation data caused by external interference to be processed to reduce the number of airtightness tests performed on batteries to be tested whose airtightness meets the design requirements.

[0042] In a possible implementation of the present disclosure, a battery testing tool includes at least two groups of drive components, each of which is provided with a pressure piece; the drive component is controlled to perform a driving action to drive the pressure piece to move toward the direction close to the battery to be tested until the pressure piece abuts against the battery to be tested, including: when the first pressure sensor on the target pressure piece among the pressure pieces detects a second pressure value, controlling the drive component corresponding to the target pressure piece to stop performing the driving action; when the first pressure sensor on each target pressure piece detects the second pressure value, clearing the data of the second pressure value of each first pressure sensor.

[0043] Since the driving assembly is controlled according to the second pressure value monitored by the first pressure sensor, the pressing member can be immediately controlled to stop moving after the pressing member contacts the battery to be tested, thereby reducing the risk of the pressing member generating a large pressing pressure on the battery to be tested.

[0044] In a possible implementation of the present disclosure, the battery testing tool also includes a bracket and a moving component; the driving component is installed on the bracket, the bracket is installed at the installation station through the moving component, and the moving component is used to drive the bracket to move; the control method also includes: based on the process parameters of the battery to be tested, determining the motion position information of the moving component; based on the motion position information, determining the detection position information of the battery testing tool for the battery to be tested.

[0045] Because the motion position information of the mobile component is determined based on the process parameters of the battery under test, the detection position information of the battery test fixture for the battery under test is then determined based on this motion position information. This determined detection position information can be recorded and stored in the controller. When performing an airtightness test on a battery of that type under test, the detection position information corresponding to the battery under test can be retrieved and used to control the driving action of the driver in the battery test fixture. This reduces the need for repeated debugging of the battery test fixture and improves the efficiency of testing the batteries under test.

[0046] In a possible implementation of the present disclosure, the control method further includes: obtaining detection position information in response to a test request; and based on the detection position information, controlling the moving component to drive the bracket to move, so as to drive the pressing member to move to a preset position corresponding to the battery to be tested.

[0047] Since the driving member in the moving assembly is controlled to perform a corresponding driving action according to the detected position information, the pressing member can be quickly driven to a preset position by the bracket, thereby improving the testing efficiency of the battery to be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiments below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present disclosure. The same reference numerals are used throughout the drawings to denote the same components. In the drawings:

[0049] FIG1 is a structural schematic diagram of a battery testing tool provided by the present disclosure;

[0050] FIG2 is a schematic structural diagram of an active connection structure in a battery testing tool provided by the present disclosure;

[0051] FIG3 is a second structural diagram of the battery testing tool provided by the present disclosure;

[0052] FIG4 is a third structural diagram of the battery testing tool provided by the present disclosure;

[0053] FIG5 is a schematic diagram of a pressure value curve monitored by a first pressure sensor in a battery testing tool provided by the present disclosure;

[0054] FIG6 is a fourth structural diagram of the battery testing tool provided by the present disclosure;

[0055] FIG7 is a fifth structural diagram of the battery testing tool provided by the present disclosure;

[0056] FIG8 is a flowchart diagram of a method for using the battery testing tool provided by the present disclosure;

[0057] FIG9 is a second flow chart of a method for using the battery testing tool provided by the present disclosure;

[0058] FIG10 is a flow chart of a control method for a battery testing tool provided by the present disclosure;

[0059] FIG11 is a second flow chart of a method for controlling a battery testing tool provided by the present disclosure;

[0060] FIG12 is a third flow chart of a method for controlling a battery testing tool provided by the present disclosure;

[0061] FIG13 is a fourth flow chart of a method for controlling a battery testing tool provided by the present disclosure;

[0062] FIG14 is a fifth flow chart of the method for controlling the battery testing tooling provided by the present disclosure.

[0063] Description of reference numerals:

[0064] 1-bracket; 2-driving assembly; 21-axial driving member; 22-connecting member; 3-pressing member; 4-first pressure sensor; 5-moving assembly; 51-longitudinal guide assembly; 52-lateral guide assembly; 6-movable connection structure; 61-connecting rod; 62-base; 63-rotating ball; 7-second pressure sensor; 8-airtight device; 9-battery to be tested; A-first direction; B-second direction; C-third direction. DETAILED DESCRIPTION

[0065] The following embodiments of the technical solution of the present disclosure are described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present disclosure and are therefore only examples and are not intended to limit the scope of protection of the present disclosure.

[0066] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which the present disclosure belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure; the terms "including" and "having" and any variations thereof in the specification of the present disclosure and the above-mentioned drawings are intended to cover non-exclusive inclusions.

[0067] In the description of the embodiments of the present disclosure, technical terms such as "first," "second," and "third" are used solely to distinguish different objects and should not be understood to indicate or imply relative importance or to implicitly specify the quantity, specific order, or primary and secondary relationship of the technical features indicated. In the description of the embodiments of the present disclosure, "plurality" means more than two, unless otherwise specifically defined.

[0068] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present disclosure. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0069] In the description of the embodiments of the present disclosure, the term "and / or" is simply a description of the association relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.

[0070] In the description of the embodiments of the present disclosure, the orientations or positional relationships indicated by technical terms such as "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", and "circumferential" are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed, operated or used in a specific orientation. Therefore, they should not be understood as limiting the embodiments of the present disclosure.

[0071] In the description of the embodiments of the present disclosure, unless otherwise expressly specified or limited, technical terms such as "installed," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and can refer to internal connectivity between two components or interaction between two components. Those skilled in the art can understand the specific meanings of the above terms in the embodiments of the present disclosure based on specific circumstances.

[0072] In the description of the embodiments of the present disclosure, unless otherwise clearly specified and limited, the technical term "contact" should be understood in a broad sense, and can be direct contact, contact through an intermediate medium layer, contact with essentially no interaction force between the two contacting parties, or contact with interaction force between the two contacting parties.

[0073] Hereinafter, the present disclosure will be described in detail.

[0074] Currently, new energy batteries are increasingly being used in everyday life and industry. They are not only used in energy storage systems such as hydropower, thermal power, wind power, and solar power plants, but are also widely used in electric vehicles such as electric bicycles, electric motorcycles, and electric vehicles, as well as in military equipment and aerospace. As the application of power batteries continues to expand, market demand is also growing.

[0075] In the embodiments of the present disclosure, the battery may be a battery cell. A battery cell refers to a basic unit that can realize the mutual conversion of chemical energy and electrical energy, and can be used to make a battery module or battery pack, thereby being used to supply power to an electrical device. The battery cell may be a secondary battery, which refers to a battery cell that can be recharged to activate the active material after the battery cell is discharged and continue to be used. The battery cell may be a lithium-ion battery, a sodium-ion battery, a sodium-lithium-ion battery, a lithium metal battery, a sodium metal battery, a lithium-sulfur battery, a magnesium-ion battery, a nickel-metal hydride battery, a nickel-cadmium battery, a lead-acid battery, etc., and the embodiments of the present disclosure are not limited to this.

[0076] In different application scenarios, the battery shapes used vary due to limitations such as battery installation space. Regardless of the battery shape, multiple tests are required during the production process to ensure that the battery's performance meets the required requirements. For example, the battery needs to be tested for airtightness.

[0077] In the related art, during the air tightness test of the battery, since different batteries have different shapes and different batteries are provided with different connectors on their outer surfaces, during the air tightness test of the battery, it is necessary to design a test tool that is compatible with the battery's outer structure according to the battery's outer structure to perform the air tightness test on the battery. It is necessary to design a corresponding air tightness test tool according to each battery shape, and in the process of testing batteries of different shapes, it is also necessary to replace some parts in the air tightness test tool. Designing corresponding air tightness test tooling for batteries of different shapes will, on the one hand, increase the tooling production cost, and on the other hand, each air tightness test tooling is not universal, and the tooling needs to be replaced during the test, which prolongs the test cycle and affects the production efficiency of the battery.

[0078] During the airtightness test of batteries, various interferences can cause the data monitored by the test device to mutate. This can easily lead to the conclusion that the battery under test has airtightness problems based on the abrupt data points generated by external interference, necessitating retesting the battery under test. This can reduce the production capacity of the production line and also affect the battery production efficiency.

[0079] An embodiment of the present disclosure provides a battery testing fixture, as shown in FIG1 , which is a first structural diagram of the battery testing fixture provided by the present disclosure. The battery testing fixture includes a bracket, at least two sets of drive assemblies, and a pressure member. Each set of drive assemblies is mounted on the bracket; each set of drive assemblies is provided with a pressure member, with a pressure surface of the pressure member facing away from the bracket being used to abut against a battery under test; each pressure member is capable of moving away from or toward the bracket under the drive of the drive assembly.

[0080] The bracket 1 in the embodiment of the present disclosure can be a support bracket 1, and other components of the battery test fixture can be placed on the bracket 1, and the various components of the battery test fixture can be supported by the bracket 1. For example, the bracket 1 can be configured as a plate-shaped structure to mount at least two sets of drive assemblies 2 on the plate-shaped bracket 1.

[0081] The driving assembly 2 in the embodiment of the present disclosure is used to drive the pressing member 3 in the battery testing fixture to move the pressing member 3 toward or away from the battery 9 under test. For example, the driving assembly 2 can be configured to include a driving member and a connecting member 22, wherein the driving member can be a pneumatic cylinder, an oil cylinder, an electric motor, or the like.

[0082] The surface of the pressing member 3 in the embodiment of the present disclosure that is away from the bracket 1 is the pressing surface on the pressing member 3. The pressing member 3 is used to press against the surface of the battery 9 to be tested. The pressing member 3 can be in contact with the surface of the battery 9 to be tested through the pressing surface. The pressing member 3 can be set to a block structure with a length and width of 25 mm, that is, the pressing surface is a square with a side length of 25 mm. The pressing member 3 can also be set to a structural form of other sizes and shapes according to the size and shape of the battery 9 to be tested. The embodiment of the present disclosure does not limit this. Multiple pressing members 3 can be driven by their respective driving components 2, so that the multiple pressing members 3 are respectively pressed against the upper cover of the battery 9 to be tested, so that the battery 9 to be tested will not expand significantly during the airtightness test, which will cause the test value of the airtightness test to be low.

[0083] The above-mentioned battery testing tool is provided with a bracket 1, so that various parts in the battery testing tool can be set on the bracket 1, so that various parts can be installed and carried by the bracket 1; and at least two groups of driving components 2 are provided, and the driving components 2 can be fixed on the bracket 1, and each group of driving components 2 can be provided with a pressure piece 3, so that the battery testing tool has at least two pressure pieces 3; in this way, each group of driving components 2 can be controlled to move independently according to the different shapes of the batteries 9 to be tested, so as to drive each pressure piece 3 to move independently, and different pressure pieces 3 can be driven by each group of driving components 2 to move different distances toward the battery 9 to be tested, so that each pressure piece 3 can move to fit and abut against the abutting surface of the battery 9 to be tested. Therefore, by using the battery testing tool provided by the embodiment of the present disclosure, different pressing parts 3 can be controlled to move independently according to the shapes of the abutting surfaces of different batteries 9 to be tested, so that the abutting surfaces of the batteries 9 to be tested are all pressed by the pressing parts 3, thereby enabling the battery testing tool to be used for testing batteries 9 to be tested with different shapes, thereby improving the versatility of the battery testing tool.

[0084] In some embodiments, as shown in Figure 1, the drive assembly 2 can be set to a structure including an axial drive member 21, and the pressure member 3 is connected to the bracket 1 through the axial drive member 21, and the axial drive member 21 is used to drive the pressure member 3 to move away from or close to the bracket 1.

[0085] In the embodiment of the present disclosure, the axial driving member 21 can perform linear reciprocating motion to drive the pressure member 3 connected to the axial driving member 21 to perform linear reciprocating motion together. For example, the axial driving member 21 can be an air cylinder or an oil cylinder, and the cylinder barrel of the air cylinder or the oil cylinder can be fixedly connected to the bracket 1, and the pressure member 3 can be fixedly connected to the free end of the piston rod of the air cylinder or the oil cylinder. The axial driving member 21 can also adopt a structural form including a motor, a gear and a rack, such as fixing the motor to the bracket 1, installing the gear on the output shaft of the motor, sliding the rack on the bracket 1, and meshing the rack with the gear. The motor rotates in different directions, and the gear can drive the rack to perform linear reciprocating motion. In the embodiment of the present disclosure, the structural form of the axial driving member 21 is not limited.

[0086] In the above embodiment, since the axial drive member 21 is provided in the drive assembly 2, the axial drive member 21 can perform linear reciprocating motion, thereby driving the pressing member 3 to also perform linear reciprocating motion. In this way, the pressing members 3 connected to the axial drive member 21 can be driven by the axial drive member 21 in each group of the drive assembly 2 to independently move toward the battery 9 to be tested, and each pressing member 3 can move a different distance. Alternatively, according to the size and shape of the battery 9 to be tested, a portion of the pressing members 3 can be selected to adapt to the size of the battery 9 to be tested, and the axial drive member 21 respectively connected to the portion of the pressing members 3 can drive the portion of the pressing members 3 to move independently, while the other axial drive members 21 and the pressing members 3 can remain motionless in the standby position, thereby adapting to different batteries 9 to be tested and saving driving energy.

[0087] In some embodiments, as shown in FIG. 1 , the driving assembly 2 may be configured to further include a connecting member 22 , and the pressing member 3 is connected to the axial driving member 21 via the connecting member 22 .

[0088] In the embodiment of the present disclosure, in order to facilitate the connection between the pressure member 3 and the axial drive member 21, a connector 22 can be provided, and a structure that is compatible with the connection structure on the axial drive member 21 is provided at one end of the connector 22. For example, the end of the piston rod of the air cylinder and the oil cylinder usually has an external thread, and an internal thread that is compatible with the external thread can be provided at one end of the connector 22, and the connector 22 can be fixedly connected to the axial drive member 21 by means of a threaded connection. The pressure member 3 and the connector 22 can also be connected by means of a threaded connection, a clamping connection, an adhesive connection or a welding connection. The structural shape of the connector 22 can be designed according to the overall structure of the battery test fixture and the movement path of the pressure member 3. For example, the connector 22 is provided with a cylindrical structural shape, and connection structures are respectively provided on the two axial end faces of the connector 22 to connect the axial drive member 21 and the pressure member 3.

[0089] In the above embodiment, since the connecting member 22 is provided between the axial driving member 21 and the pressing member 3, a connecting structure that matches the existing connecting structure on the axial driving member 21 can be provided on the connecting member 22 based on the connection structure of the axial driving member 21, thereby facilitating the connection between the connecting member 22 and the axial driving member 21. Alternatively, a corresponding connecting structure can be provided between the connecting member 22 and the pressing member 3 based on the desired movement or connection method between the pressing member 3 and the connecting member 22, thereby connecting the pressing member 3 and the connecting member 22. This facilitates the connection between the pressing member 3 and the axial driving member 21 without being restricted by the existing connecting structure on the axial driving member 21.

[0090] In some embodiments, as shown in FIG. 1 , a disassembly structure may be provided between the pressing member 3 and the connecting member 22 so that the pressing member 3 and the connecting member 22 are detachably connected via the disassembly structure.

[0091] In the embodiment of the present disclosure, in order to facilitate relatively quick connection and relatively quick disassembly of the pressure member 3 and the connector 22, a detachable structure may be provided between the connector 22 and the pressure member 3. For example, the disassembly structure may be provided as a threaded connection structure, and the pressure member 3 may be relatively quickly connected to the axial drive member 21 or disassembled from the axial drive member 21 by screwing the pressure member 3 through the threaded connection structure. The disassembly structure between the connector 22 and the pressure member 3 may also be provided as a self-locking quick connector, that is, a plug-in, self-locking connector structure is adopted, the plug of the self-locking quick connector is fixedly mounted on the pressure member 3, and the body of the self-locking quick connector is fixedly mounted on the connector 22, so that the pressure member 3 can be quickly installed and connected to the connector 22 by plugging the plug into the corresponding socket on the body.

[0092] In the above embodiment, since a disassembly structure is provided between the pressing member 3 and the connecting member 22, a relatively quick connection between the pressing member 3 and the connecting member 22 can be achieved, which can facilitate the quick installation and disassembly of multiple pressing members 3, so that the required number of pressing members 3 and the installation position of the pressing members 3 can be selected according to the size and shape of the battery 9 to be tested, so as to quickly switch the battery testing tooling to adapt to the battery 9 to be tested, thereby improving the efficiency of testing the battery 9 to be tested.

[0093] In some embodiments, a movable connection structure 6 may be provided between the pressing member 3 and the connecting member 22 , and the pressing member 3 may be able to rotate relative to the connecting member 22 through the movable connection structure 6 .

[0094] In the embodiment of the present disclosure, in order to ensure that the pressing member 3 and different types of batteries 9 to be tested can have good pressing contact, as shown in FIG2 , a movable connection structure 6 can be provided between the connector 22 and the pressing member 3. For example, the movable connection structure 6 is provided in a structural form including a connecting rod 61, a base 62, and a rotating ball 63, wherein the base 62 has a spherical cavity adapted to the rotating ball 63, and one end of the base 62 also has a cavity opening, which is connected to the spherical cavity; the connecting rod 61 is connected to the rotating ball 63; the rotating ball 63 is provided in the spherical cavity of the base 62, and the connecting rod 61 extends from the cavity opening to the outside of the base 62. In this way, the base 62 in the movable connection structure 6 can be fixedly connected to the pressing member 3, and the connecting rod 61 can be fixedly connected to the plug of the self-locking quick connector; or the base 62 can be fixedly connected to the plug of the self-locking quick connector, and the connecting rod 61 can be fixedly connected to the pressing member 3. The embodiment of the present disclosure does not limit the specific structural form of the movable connection structure 6 and the specific arrangement positions of the movable connection structure 6 and the disassembly structure between the pressing member 3 and the connecting member 22.

[0095] Exemplarily, some of the pressure members 3 in the battery testing tooling and the corresponding driving components 2 can be connected through a movable connecting structure 6. For example, a movable connecting structure 6 is provided on the pressure member 3 located in the middle position among the multiple pressure members 3, and the pressure members 3 located on the periphery and the driving components 2 are connected through a disassembly structure.

[0096] In the above embodiment, the movable connection structure 6 is provided between the connecting member 22 and the pressing member 3, so that the pressing member 3 can rotate relative to the axis of the connecting member 22, or can also swing relative to the axis of the connecting member 22. During the process of the pressing member 3 contacting the abutting surface of the battery 9 to be tested, the pressing member 3 can adaptively adjust its posture through the movable connection structure 6 according to the shape of the abutting surface, so as to form good contact between the pressing member 3 and the abutting surface of the battery 9 to be tested.

[0097] In some embodiments, as shown in FIG. 1 , at least two pressing members 3 in the battery testing fixture may be arranged on the bracket 1 in an array.

[0098] In the embodiment of the present disclosure, the outer shape of the battery 9 to be tested is usually a relatively regular shape, and the pressure members 3 in the battery test tool can also be arranged on the bracket 1 in a relatively regular arrangement. For example, 9 pressure members 3 can be set in the battery test tool, and the 9 pressure members 3 can be arranged in three rows and three columns, so that the 9 pressure members 3 form a 3×3 array arrangement. It is also possible to set 20 pressure members 3 in the test tool, and arrange the 20 pressure members 3 in four rows and five columns, so that the 20 pressure members 3 form a 4×5 array arrangement. It is also possible to set 25 pressure members 3 in the battery test tool, and arrange the 25 pressure members 3 in five rows and five columns, so that the 25 pressure members 3 form a 5×5 array arrangement. The embodiment of the present disclosure does not limit the specific number of pressure members 3, nor the specific arrangement of the multiple pressure members 3 on the bracket 1.

[0099] In the above embodiment, since at least two pressing members 3 are arranged in an array in the battery testing tooling, it is convenient to select corresponding partial pressing members 3, or all pressing members 3 according to the different shapes of the batteries 9 to be tested, so as to drive these partial pressing members 3 or all pressing members 3 to respectively abut against the abutting surfaces of the batteries 9 to be tested through the driving assembly 2.

[0100] In some embodiments, referring to FIG3 , which illustrates a second structural schematic diagram of a battery testing fixture provided by the present disclosure, a first pressure sensor 4 may be provided on the pressing surface of each pressing member 3 in the battery testing fixture; when the pressing member 3 abuts the battery 9 under test, the first pressure sensor 4 is used to monitor the pressure exerted on the pressing surface.

[0101] In the embodiment of the present disclosure, in order to facilitate monitoring of the air pressure of the battery 9 to be tested during the air tightness test, a first pressure sensor 4 can be provided on the pressure member 3 on the pressure surface facing the battery 9 to be tested. The first pressure sensor 4 can monitor the magnitude of the force applied to the pressure member 3 by the battery 9 to be tested when it expands. For example, the first pressure sensor 4 can be a thin film pressure sensor bonded to the pressure surface of the pressure member 3. The first pressure sensor 4 can also be a pressure sensor of other structural forms, which is not limited in the embodiment of the present disclosure.

[0102] In the above embodiment, since a first pressure sensor 4 is provided on the pressing surface of each pressing member 3, during the process of performing an airtightness test on the battery 9 to be tested, the pressure change inside the battery 9 to be tested can be monitored by each first pressure sensor 4. In the case where the pressure inside the battery 9 to be tested suddenly changes due to external interference, the first pressure sensor 4 can monitor the pressure change of the battery 9 to be tested in real time. Each first pressure sensor 4 is electrically connected to the controller, and the pressure value monitored by the first pressure sensor 4 can be analyzed to determine whether the sudden change in pressure inside the battery 9 to be tested is caused by external interference or by a quality problem of the battery 9 to be tested itself. In this way, the pressure sudden change data caused by external interference can be processed so that the battery 9 to be tested can continue to perform an airtightness test without having to inspect the battery 9 to be tested and then perform an airtightness test again, thereby improving the testing efficiency of the battery 9 to be tested and thus improving production efficiency.

[0103] In some embodiments, referring to FIG4 , FIG4 shows a third structural schematic diagram of a battery testing tool provided by the present disclosure. The battery testing tool further includes an airtight device 8 and a second pressure sensor 7 . The airtight device 8 is used to perform an airtight test on a battery 9 to be tested. Each first pressure sensor 4 is electrically connected to the airtight device 8 . The second pressure sensor 7 is electrically connected to the airtight device 8 to monitor the air pressure within the battery 9 to be tested.

[0104] In the disclosed embodiment, the airtight device 8 can be connected to the charging port of the battery under test 9 via a gas delivery pipeline, thereby filling the cavity of the battery under test 9 with a certain volume of dry, impurity-free gas. The second pressure sensor 7 can be connected to the exhaust port of the battery under test 9 to monitor the air pressure inside the cavity of the battery under test 9.

[0105] Exemplarily, each first pressure sensor 4 can be electrically connected to the airtight device 8. After the required pressure member 3 contacts the battery 9 to be tested, the first pressure sensor 4 can detect the pressure change. On the one hand, it can control the corresponding axial drive member 21 to stop the driving action. On the other hand, after the required pressure members 3 contact the battery 9 to be tested, the airtight device 8 receives the signal sent by the first pressure sensor 4 that all the required pressure members 3 have contacted the battery 9 to be tested. In response to the signal, the airtight device 8 can start the corresponding airtightness test on the battery 9 to be tested.

[0106] As another example, the second pressure sensor 7 can be electrically connected to the airtight device 8. During the airtightness test of the battery 9 to be tested through the airtight device 8, the airtight device 8 can be controlled to stop inflating, etc. according to the air pressure value inside the cavity of the battery 9 to be tested monitored by the second pressure sensor 7.

[0107] In the above embodiment, since an airtight device 8 is provided in the battery testing tooling, the airtight device 8 can be used to perform testing steps such as inflation on the battery to be tested 9; and the first pressure sensor 4 is electrically connected to the airtight device 8, and the airtight device 8 can be controlled to start the corresponding airtightness test step for the battery to be tested 9 according to the pressure data monitored by the first pressure sensor 4; and at the same time, a second pressure sensor 7 is provided, and the second pressure sensor 7 is electrically connected to the airtight device 8, and the airtight device 8 can be controlled to stop the corresponding airtightness test step according to the air pressure data inside the cavity of the battery to be tested 9 monitored by the second pressure sensor 7.

[0108] In some embodiments, the structure of the second pressure sensor 7 can be configured to be compatible with the structure of the gas outlet of the battery to be tested 9 , and the second pressure sensor 7 can be connected to the gas outlet of the battery to be tested 9 .

[0109] In the embodiment of the present disclosure, the structure of the second pressure sensor 7 can be set according to the structural form of the gas outlet of the battery under test 9, so as to connect the second pressure sensor 7 to the gas outlet of the battery under test 9. For example, the structure of the second pressure sensor 7 connected to the pressure relief valve can be set according to the structural form of the explosion-proof valve of the battery under test 9, so that the second pressure sensor 7 is connected to the explosion-proof valve of the battery under test 9.

[0110] In the above embodiment, since the structure of the second pressure sensor 7 is set to be compatible with the structure of the gas outlet of the battery to be tested 9, it is convenient to connect the second pressure sensor 7 to the gas outlet of the battery to be tested 9 to monitor the air pressure inside the cavity of the battery to be tested 9 undergoing airtightness testing.

[0111] In some embodiments, the battery testing tool provided by the embodiments of the present disclosure also includes a controller, the first pressure sensor 4 is electrically connected to the controller, and the controller is configured to receive the first pressure data monitored by the first pressure sensor 4, and determine the test status of the battery 9 to be tested based on the first pressure data.

[0112] In the disclosed embodiment, the controller may be a computer device or computer module with data processing capabilities, such as a computer or server. Each first pressure sensor 4 is electrically connected to the controller. The first pressure sensor 4 monitors the first pressure generated by the battery 9 under test on the pressure member 3 due to expansion during the airtightness test, and transmits the monitored first pressure data of the first pressure to the controller. The controller may determine the test status of the battery 9 under test based on the received first pressure data. The test status may be that the test process is normal, indicating that the performance of the battery 9 under test meets the design requirements, or the test status may be that the test process fails, indicating that the performance of the battery 9 under test does not meet the design requirements.

[0113] For example, referring to FIG5 , FIG5 shows the pressure value curve monitored by the first pressure sensor 4. For example, during the airtightness test of the battery 9 to be tested, if the casing of the battery 9 to be tested suddenly expands, the battery 9 to be tested is manually pressed down, or the battery 9 to be tested is disturbed by vibration, the pressure value curve within the dotted box in FIG5 will correspondingly generate a mutation point, that is, the first pressure data will mutate. After the disturbance is eliminated, the first pressure data returns to a normal numerical level. The controller can then determine whether the mutated first pressure data is a mutation point based on the duration of the mutation. For example, the determination condition for the duration of the mutation point is set to be less than or equal to 10 seconds. If the duration of the mutation point does not exceed 10 seconds, the test process of the battery 9 to be tested is determined to be normal, and the determination result is fed back to the airtight device 8. This can reduce the number of times the battery 9 to be tested is repaired and re-tested due to mutation points in the monitored data during the airtightness test.

[0114] In some embodiments, referring to Figures 6 and 7 , Figure 6 is a fourth structural diagram of a battery testing fixture provided by the present disclosure, and Figure 7 is a fifth structural diagram of a battery testing fixture provided by the present disclosure. As shown in Figures 4 , 6 , and 7 , a mobile assembly 5 can be provided in the battery testing fixture. The mobile assembly 5 is provided on a side of the bracket 1 facing the drive assembly 2 . Each set of drive assemblies 2 is mounted on the mobile assembly 5 , and each set of drive assemblies 2 can move under the drive of the mobile assembly 5 .

[0115] In the embodiment of the present disclosure, the bracket 1 can be installed at the station where the battery test fixture is located, and then the movable assembly 5 can be installed on the bracket 1. The movable assembly 5 can be configured to include a driving member and a moving member. Each set of driving assemblies 2 is installed on the moving member. The driving member is connected to the moving member or the driving assembly 2, so that the driving member drives the moving member or the driving assembly 2 to move, thereby driving the driving assembly 2 disposed on the moving member to move, or directly driving the driving assembly 2 to move, thereby driving the pressing member 3 disposed on the driving assembly 2 to move together.

[0116] In the above embodiment, since a moving component 5 is provided on the bracket 1, and each group of driving components 2 is provided on the moving component 5, so that each group of driving components 2 can be driven to move by the moving component 5, the pressing member 3 connected to the driving component 2 can also be driven to move together, so that each pressing member 3 can be moved to the corresponding position above the battery to be tested 9 through the moving component 5 according to the different placement positions of different batteries 9 to be tested on the battery testing tooling and the different structural shapes of different batteries to be tested 9, thereby making the battery testing tooling suitable for batteries 9 to be tested with different structural shapes.

[0117] In some embodiments, as shown in Figures 4, 6 and 7, the moving component 5 can be set to a structure including a longitudinal guide component 51 and a longitudinal drive component; the longitudinal guide component 51 is installed on the bracket 1, and the drive component 2 is slidably connected to the longitudinal guide component 51, and one end of the longitudinal drive component is connected to the bracket 1, and the other end is connected to the drive component 2; under the drive of the longitudinal drive component, the drive component 2 can move along the extension direction of the longitudinal guide component 51.

[0118] In the disclosed embodiment, a longitudinal guide assembly 51 can be provided in a plane perpendicular to the axis of the axial drive member 21, and a longitudinal drive member can be provided accordingly, through which the drive assembly 2 can be driven to reciprocate in the third direction C.

[0119] For example, the longitudinal guide assembly 51 can be configured to include at least two longitudinal guide rails. For example, three longitudinal guide rails can be provided, each of which extends along the third direction C. The three longitudinal guide rails are fixedly mounted in parallel on the side of the bracket 1 facing the drive assembly 2. Multiple sets of drive assemblies 2 can be provided on each longitudinal guide rail, for example, three sets of drive assemblies 2 can be provided on one longitudinal guide rail.

[0120] As another example, the longitudinal driving member can adopt a driving member such as a pneumatic cylinder, an oil cylinder or a linear motor. One end of the longitudinal driving member can be connected to the corresponding longitudinal guide rail to connect the longitudinal driving member to the bracket 1, and the other end of the longitudinal driving member can be connected to a group of driving components 2, so that each longitudinal driving member can drive a group of driving components 2 to move along the longitudinal guide rail to drive the pressure member 3 set on the driving component 2 to move along the third direction C.

[0121] In the above embodiment, since the longitudinal guide component 51 and the longitudinal drive member are provided, the drive component 2 can be slidably connected to the bracket 1 through the longitudinal guide component 51, and the drive component 2 can be driven by the longitudinal drive member to move along the longitudinal guide component 51, so that the driving component 2 can drive the pressure member 3 to move along the third direction C, so that each pressure member 3 can be in a different position in the third direction C.

[0122] In some embodiments, as shown in Figures 4, 6 and 7, a structural member including a transverse guide assembly 52 and a transverse driving member can also be provided in the moving assembly 5; the transverse guide assembly 52 is slidably mounted on the longitudinal guide assembly 51, and the driving assembly 2 is slidably mounted on the transverse guide assembly 52 to be slidably connected to the longitudinal guide assembly 51, and one end of the transverse driving member is connected to the transverse guide assembly 52, and the other end is connected to the driving assembly 2; under the drive of the transverse driving member, the driving assembly can move along the extension direction of the transverse guide assembly 52; wherein, the extension direction of the transverse guide assembly 52 has an angle with the extension direction of the longitudinal guide assembly 51.

[0123] In the embodiment of the present disclosure, a transverse guide assembly 52 can also be set on the axis of the vertical axial drive member 21, that is, in a plane perpendicular to the first direction A, and a transverse drive member can be set accordingly. The transverse drive member can drive the drive assembly 2 set on the transverse guide assembly 52 to reciprocate along the second direction B.

[0124] Exemplarily, the transverse guide assembly 52 can be set to a structural form including multiple transverse guide rails. For example, three transverse guide rails can be slidably set on three longitudinal guide rails, and the three transverse guide rails all extend along the second direction B, and the three transverse guide rails are independently slidably set on the longitudinal guide rails. Multiple groups of drive assemblies 2 can be slidably installed on each transverse guide rail, for example, three groups of drive assemblies 2 can be slidably installed on one transverse guide rail, and each group of drive assemblies 2 can slide independently along the transverse guide rail. The other end of the longitudinal drive member in the above embodiment can be connected to a transverse guide rail to drive the transverse guide rail to move along the third direction C, thereby driving all the drive assemblies 2 set on the transverse guide rail to move along the third direction C together. There is an angle between the second direction B and the third direction C, and the angle can be set to 90°. The angle between the second direction B and the third direction C can also be set to other angles as needed.

[0125] In another example, a transverse drive member such as a pneumatic cylinder, an oil cylinder, a linear motor, or a servo motor can have one end connected to the corresponding transverse guide rail, and the other end connected to a group of drive assemblies 2. Thus, each transverse drive member can drive a group of drive assemblies 2 to move along the transverse guide rail, thereby driving the pressure members 3 provided on the drive assemblies 2 to move along the second direction B. In this way, the drive assemblies 2 on each transverse guide rail can move independently along the second direction B, and the drive assemblies 2 on the same transverse guide rail can move together along the third direction C, thereby driving different pressure members 3 to different positions.

[0126] In the above embodiment, since a transverse guide assembly 52 and a transverse driving member are provided, and the transverse guide assembly 52 is slidably installed on the longitudinal guide assembly 51, the driving assembly 2 can be slidably installed on the transverse guide assembly 52 to slide the driving assembly 2 to be connected to the longitudinal guide assembly 51; the driving assembly 2 can be driven to move by the transverse driving member to drive the pressure member 3 to move along the second direction B, and at the same time, the transverse guide assembly 52 can be driven to move by the longitudinal driving member to drive the pressure member 3 to move along the third direction C, so that each pressure member 3 can be in a different position not only in the second direction B, but also in a different position in the third direction C.

[0127] An embodiment of the present disclosure further provides a method for using a battery testing tool, which includes: an airtight device, a drive assembly, and a pressure piece arranged on the drive assembly. Referring to Figure 8, Figure 8 is a flow chart of the method for using the battery testing tool provided by the present disclosure, and the method includes the following steps S101 to S103.

[0128] S101. Place the battery to be tested on a test station corresponding to the battery test fixture using a transport unit.

[0129] In some embodiments, the battery to be tested may be a battery pack, which includes a housing and battery cells, with the battery cells or battery modules contained within the housing. The battery cells may be secondary batteries, which are batteries that can be recharged to activate their active materials after discharge and continue to be used. The battery cells may be lithium-ion batteries, sodium-ion batteries, sodium-lithium-ion batteries, lithium metal batteries, sodium metal batteries, lithium-sulfur batteries, magnesium-ion batteries, nickel-metal hydride batteries, nickel-cadmium batteries, lead-acid batteries, and the like, although this disclosure is not intended to limit this.

[0130] In some embodiments, batteries to be tested with different structural shapes have corresponding test stations on the battery testing tool, and the test stations are used to place the batteries to be tested so as to fix the batteries to be tested in a set position.

[0131] In some embodiments, in order to quickly place the battery to be tested on the test station, the battery to be tested can be placed on the test station corresponding to the battery testing tooling by a transport component, which can be a transport cart, a robotic arm that can grab and move the battery to be tested, etc.

[0132] S102. Utilize the driving assembly to execute a driving action to drive the pressing member to move toward the battery to be tested until the pressing member abuts against the battery to be tested; wherein a first pressure sensor is provided on the abutting surface of the pressing member close to the battery to be tested, and the first pressure sensor is used to monitor the pressure value exerted on the pressing member.

[0133] In some embodiments, the pressing member is provided on the driving assembly, and a first pressure sensor is provided on the abutting surface of the pressing member close to the battery to be tested. The first pressure sensor can monitor the pressure exerted on the pressing member by the battery to be tested.

[0134] In some embodiments, after the battery to be tested is placed on the test station, the driving component in the battery testing tool can be used to control the driving component to perform a driving action, and the driving component can drive the pressure piece to move in a direction close to the battery to be tested. When the first pressure sensor detects a pressure value, a control signal can be sent to the driving component through the first pressure sensor to stop the driving action, so that the pressure piece can be brought into contact with the contact surface of the battery to be tested.

[0135] S103: Perform an airtight test on the battery to be tested using an airtight device.

[0136] In some embodiments, after the pressure member contacts the contact surface of the battery under test, the airtight device can be controlled to perform an airtightness test on the battery under test. Prior to this, the airtight device needs to be connected to the battery under test. For example, the airtight device can be used to inflate the interior of the battery under test to create a certain air pressure inside the battery under test, thereby testing whether the airtightness of the battery under test meets design requirements.

[0137] In the above embodiment, the transporting member is used to transport the battery to be tested, which can increase the transport speed of the battery to be tested and also improve the accuracy of the placement of the battery to be tested; and the pressing member is driven to move by the driving assembly, so that the pressing member can be made to abut against the abutting surface of the battery to be tested. In this way, after the pressing member abuts against the abutting surface of the battery to be tested, the pressing member can apply a force to the battery to be tested to limit the battery to be tested from undergoing large deformation during the test; at the same time, the battery to be tested is subjected to a corresponding airtightness test by the airtight device to determine whether the airtightness of the battery to be tested meets the design requirements, thereby excluding batteries to be tested that do not meet the airtightness standards, thereby improving the production quality of the battery.

[0138] Referring to Figure 9, which is a second flow chart of the method for using the battery testing tool provided by the present disclosure, based on Figure 8, the battery testing tool includes at least two sets of drive components, each of which is provided with a pressure member; the method of use in Figure 8 also includes steps S201 to S202.

[0139] S201 , determining a target pressing member among the pressing members according to the shape of the battery to be tested; the shape formed by arranging the target pressing members is adapted to the abutting surface of the battery to be tested.

[0140] In some embodiments, since different batteries under test have different shapes, that is, the abutting surfaces of different types of batteries under test are different, a target abutting member among the multiple abutting members can be determined based on the shapes and sizes of the abutting surfaces of the different batteries under test, wherein the shape formed by the arrangement of the target abutting members is compatible with the shape of the abutting surface of the battery under test.

[0141] For example, if the size of the abutting surface of the battery to be tested matches the rectangle formed by 9 abutting members, these 9 abutting members can be used as target abutting members. If the size of the abutting surface of the battery to be tested matches the rectangle formed by 20 abutting members, these 20 abutting members can be used as target abutting members.

[0142] S202 : removing the standby pressing members from the pressing members in the battery testing tool, where the pressing members include the standby pressing members and the target pressing members.

[0143] In some embodiments, after determining the target pressing member among the pressing members, the standby pressing members in the battery testing tool can be removed, that is, the pressing members not needed in the current test process can be removed. The standby pressing members and the target pressing members constitute all the pressing members.

[0144] In the above embodiment, since the required target pressure piece is determined according to the shape of the battery to be tested and the standby pressure piece is removed, during the air tightness test of the battery to be tested, it is only necessary to control the target pressure piece to move to abut against the battery to be tested, without considering the standby pressure piece; and after the standby pressure piece is removed, the weight of the structural parts in the battery testing tooling can be reduced, which facilitates the control of the movement of the battery testing tooling.

[0145] At the same time, an embodiment of the present disclosure also provides a control method for a battery testing tool, which is applied to a controller. The battery testing tool includes: an airtight device, a drive assembly, and a pressure member arranged on the drive assembly. Referring to Figure 10, Figure 10 is a flow chart of the control method for the battery testing tool provided by the present disclosure. The method includes the following steps S301 to S304.

[0146] S301 , in response to a transport request, controlling a transport unit to place a battery to be tested on a test station corresponding to a battery test fixture.

[0147] In some embodiments, the transport request may be generated in response to a user's test operation on the battery to be tested, or may be generated in response to a user's transport operation on the battery to be tested. The present disclosure does not limit the scenario in which the transport request is generated.

[0148] In some embodiments, batteries of different structural shapes have corresponding test stations on the battery testing fixture. These test stations are used to place the batteries to be tested, so that the batteries can be fixed in a predetermined position. To quickly place the batteries on the test stations, the batteries can be placed on the test stations corresponding to the battery testing fixture using a transport device. The transport device can be a transport cart, a robotic arm capable of grabbing and moving the batteries, or the like.

[0149] In some embodiments, after receiving the transport request, the controller may send a control signal to the transport component to control the transport component to transport the battery to be tested to a position corresponding to the battery testing tooling and place the battery to be tested on the corresponding test station.

[0150] S302. In response to a test request, control the driving assembly to execute a driving action to drive the pressing member to move toward the battery to be tested until the pressing member abuts against the battery to be tested; wherein a first pressure sensor is provided on the abutting surface of the pressing member close to the battery to be tested.

[0151] In some embodiments, the test request may be generated in response to a user's test operation on the battery to be tested, or may be generated in response to a user's retest operation on the battery to be tested. The embodiments of the present disclosure do not limit the generation scenario of the test request.

[0152] In some embodiments, the pressing member is provided on the driving assembly, and a first pressure sensor is provided on the abutting surface of the pressing member close to the battery to be tested. The first pressure sensor can monitor the pressure exerted on the pressing member by the battery to be tested.

[0153] In some embodiments, after the battery to be tested is placed on the test station and the controller receives a test request, the controller can send a control signal to the driving component to control the driving component to perform a driving action, and the driving component can drive the pressure piece to move in a direction close to the battery to be tested. When the first pressure sensor detects a pressure value, a control signal can be sent to the driving component through the first pressure sensor to stop the driving action, and the pressure piece can be made to abut against the abutting surface of the battery to be tested.

[0154] S303: Control the airtight device to perform an airtight test on the battery to be tested.

[0155] In some embodiments, after all required pressure members abut against the abutting surfaces of the battery under test, the controller can send a control signal to the airtight device to control the airtight device to perform an airtightness test on the battery under test. Prior to this, the airtight device needs to be connected to the battery under test. For example, the airtight device can be used to inflate the cavity of the battery under test to create a certain air pressure inside the battery under test, thereby testing whether the airtightness of the battery under test meets the design requirements.

[0156] S304: Receive first pressure data monitored by the first pressure sensor, and determine a test state of the battery to be tested according to the first pressure data.

[0157] In some embodiments, each first pressure sensor is electrically connected to the controller. The first pressure sensor monitors the first pressure generated by the pressure member due to expansion of the battery under test during the airtightness test, and transmits first pressure data of the monitored first pressure to the controller. The controller can determine the test status of the battery under test based on the received first pressure data. The test status can be that the test process is normal, indicating that the performance of the battery under test meets the design requirements, or the test status can be that the test process fails, indicating that the performance of the battery under test does not meet the design requirements.

[0158] In the above embodiment, since the transport member is controlled to transport the battery to be tested, the transport speed of the battery to be tested can be increased, and the accuracy of the placement position of the battery to be tested can also be improved; and the driving component is controlled to drive the pressing member to move, so that the pressing member can be made to abut against the abutting surface of the battery to be tested. In this way, after the pressing member abuts against the abutting surface of the battery to be tested, the pressing member can apply a force to the battery to be tested to limit the battery to be tested from undergoing large deformation during the test process; at the same time, the airtight device is controlled to perform a corresponding airtightness test on the battery to be tested to determine whether the airtightness of the battery to be tested meets the design requirements, thereby excluding batteries to be tested that do not meet the airtightness standards, thereby improving the production quality of the battery; and the mutation point data during the airtightness test can be processed according to the first pressure data monitored by the first pressure sensor to reduce the number of retests of the battery to be tested, thereby improving the test efficiency of the battery to be tested to improve production efficiency.

[0159] Referring to Figure 11, Figure 11 is a second flow chart of the control method for the battery testing tool provided by the present disclosure. Based on Figure 10, step S304 in Figure 10 can be implemented through the following steps S3041 to S3042.

[0160] S3041: When the first pressure data is greater than the test pressure value, and the duration of the first pressure data being greater than the test pressure value is less than or equal to a preset duration, determine that the test state of the battery to be tested is normal.

[0161] In some embodiments, as shown in FIG5 , after a certain volume of gas is filled into the cavity of the battery to be tested through an airtight device, the first pressure sensor can monitor a test pressure value, which is the pressure maintaining air pressure value inside the cavity of the battery to be tested during the test, that is, the pressure value close to the horizontal section as shown in FIG5 .

[0162] In some embodiments, during the airtightness test of the battery to be tested, if the box of the battery to be tested suddenly expands, the battery to be tested is manually pressed down, or the battery to be tested is disturbed by vibration, the pressure value curve in the dotted box in Figure 5 will correspondingly generate a mutation point, that is, the first pressure data will mutate, and an interference test value that lasts for a period of time will be generated in the first pressure data. After the interference is eliminated, the first pressure data returns to a normal numerical level, that is, it returns to the test pressure value. The controller can then determine whether the mutated first pressure data is a mutation point based on the duration of the mutated first pressure data. For example, the determination condition of the duration of the mutation point is set to be less than or equal to 10s, that is, the preset time length is set to 10s. If the duration of the mutation point does not exceed 10s, the test state of the battery to be tested during the test is determined to be normal, and the determination result is fed back to the airtight device.

[0163] S3042: When the test state of the battery to be tested is normal, perform fitting processing on the interference test value based on the test pressure value, where the interference test value is first pressure data corresponding to the duration.

[0164] In some embodiments, when the test state of the battery under test is determined to be normal, a fitting process can be performed on the interference test value in the first pressure data based on the test pressure value. That is, fitting process is performed on the data of the mutation point generated in the first pressure data due to external interference. The interference data is the first pressure data corresponding to the duration of the change caused by the external interference and the recovery to the test pressure value. Exemplarily, the interference test value can be processed into data consistent with the test pressure value.

[0165] In the above embodiment, since whether the test state of the battery to be tested is normal is determined based on the duration that the first pressure data is greater than the test pressure value and the preset time length, it is possible to quickly and easily determine whether the battery to be tested is subject to external interference during the airtightness test or whether the test data mutation is caused by the quality of the battery to be tested itself. Therefore, the mutation data caused by external interference can be processed to reduce the number of airtightness tests performed on the battery to be tested whose airtightness meets the design requirements.

[0166] Referring to Figure 12 , which is a third flow diagram of a method for controlling a battery testing fixture provided by the present disclosure, the battery testing fixture includes at least two drive assemblies, each of which is provided with a pressure member. Based on Figure 10 , step S302 in Figure 10 can be implemented through the following steps S3021 to S3022 .

[0167] S3021: When the first pressure sensor on the target pressing member among the pressing members detects a second pressure value, control the driving assembly corresponding to the target pressing member to stop executing the driving action.

[0168] In some embodiments, when the target pressure member is moving toward the battery to be tested and comes into contact with the battery to be tested, the first pressure sensor can monitor a second pressure value. The first pressure sensor can then immediately provide a feedback signal to the controller, causing the controller to send a control signal to the corresponding drive component to control the drive component corresponding to the target pressure member to stop executing the driving action, thereby allowing the target pressure member to remain in contact with the battery to be tested.

[0169] S3022: When the first pressure sensor on each target pressure member detects the second pressure value, clear the data of the second pressure value of each first pressure sensor.

[0170] In some embodiments, after each target pressure member contacts the battery under test, the controller may receive the second pressure values ​​transmitted by the first pressure sensors of all target pressure members, and the controller may clear all received second pressure values. At this time, the battery under test is not inflated. After clearing the second pressure values, the first pressure data may be monitored and acquired via the first pressure sensor after the battery under test is inflated.

[0171] In the above embodiment, since the driving component is controlled according to the second pressure value monitored by the first pressure sensor, the pressing member can be immediately controlled to stop moving after the pressing member contacts the battery to be tested, thereby reducing the risk of the pressing member generating a large pressing pressure on the battery to be tested.

[0172] Referring to Figure 13 , which is a fourth flow chart of a control method for a battery testing fixture provided by the present disclosure, the battery testing fixture further comprises a bracket and a moving assembly; the driving assembly is mounted on the bracket, which is mounted at the installation station via the moving assembly, and the moving assembly is used to drive the bracket. Based on Figure 10 , the control method in Figure 10 further comprises steps S401 and S402.

[0173] S401 : Determine movement position information of a moving component based on process parameters of a battery to be tested.

[0174] In some embodiments, the shapes of the batteries under test vary, and their process parameters also vary. That is, the lengths, heights, and widths of different types of batteries under test, as well as the shapes of the pressing surfaces, also vary. Consequently, the positions to which the pressing member needs to move will also vary. Based on the process parameters of different types of batteries under test, the motion position information of the moving assembly can be determined. Specifically, the positions to which each driving member in the moving assembly corresponding to that type of battery under test needs to move can be determined, and the position data of the driving member when it moves to that position can be recorded.

[0175] S402 : Determine detection position information of the battery testing tool for the battery to be tested based on the motion position information.

[0176] In some embodiments, after determining the motion position information of the mobile assembly corresponding to different types of batteries under test, the detection position information of the battery testing tool for the batteries under test can be determined based on the motion position information of all the driving components in the mobile assembly. In other words, the position data required for each driving component in the battery testing tool to move for each type of battery under test can be determined. The position data of all the driving components is used as the detection position information for the corresponding type of battery under test, and the driving components in the battery testing tool can be controlled to perform the corresponding driving action based on this detection position information.

[0177] In the above embodiment, the motion position information of the mobile component is determined based on the process parameters of the battery under test, and the detection position information of the battery test fixture relative to the battery under test is then determined based on this motion position information. This determined detection position information can be recorded and stored in the controller. When performing an airtightness test on a battery of this type under test, the detection position information corresponding to the battery under test can be retrieved and used to control the driving action of the driver in the battery test fixture. This reduces the need for repeated debugging of the battery test fixture and improves the efficiency of testing the batteries under test.

[0178] Referring to Figure 14, Figure 14 is a flowchart diagram of a fifth method for controlling a battery testing tool provided by the present disclosure. Based on Figure 10, the control method in Figure 10 further includes steps S501 to S502.

[0179] S501: In response to a test request, obtain detection location information.

[0180] In some embodiments, after the battery to be tested is placed at the test station, the controller may obtain detection position information corresponding to the battery to be tested in response to a test request.

[0181] S502 : Based on the detected position information, control the moving assembly to drive the bracket to move, so as to drive the pressing member to move to a preset position corresponding to the battery to be tested.

[0182] In some embodiments, after the controller obtains the detection position information corresponding to the battery under test, it can send a control signal to the mobile component in the battery testing tool based on the detection position information to control the driving member in the mobile component to perform a corresponding driving action, thereby driving the bracket to move, so that the bracket drives the pressing member to move to a preset position corresponding to the battery under test. The preset position can be a position directly above the battery under test and at a certain distance from the battery under test.

[0183] In the above embodiment, since the driving member in the moving assembly is controlled to perform a corresponding driving action according to the detected position information, the pressing member can be quickly driven to the preset position by the bracket to improve the testing efficiency of the battery to be tested.

[0184] The above embodiments are intended only to illustrate the technical solutions of the present disclosure, and are not intended to limit them. Although the present disclosure has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they may modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. Such modifications or replacements do not deviate from the essence of the corresponding technical solutions within the scope of the various embodiments of the present disclosure, and are intended to be encompassed by the specification of the present disclosure. In particular, the various technical features described in the various embodiments may be combined in any manner, as long as there are no structural conflicts. Industrial Applicability

[0185] The embodiments of the present disclosure provide a battery testing tool, a method for using the battery testing tool, and a method for controlling the battery testing tool, which can improve the versatility of the battery testing tool.

Claims

1. A battery testing tooling, comprising: a bracket; at least two sets of driving components, the driving components being mounted on the bracket; a pressing member, the pressing member being provided on each set of the driving components, and a pressing surface of the pressing member away from the bracket being adapted to abut against a battery under test; each pressing member is capable of moving in a direction away from or towards the bracket under the drive of the driving component.

2. The battery testing tooling according to claim 1, wherein, the driving component includes an axial driving member, the pressing member is connected to the bracket through the axial driving member, and the axial driving member is configured to drive the pressing member to move in a direction away from or towards the bracket.

3. The battery testing tooling according to claim 2, wherein, the driving component further includes a connecting member, and the pressing member is connected to the axial driving member through the connecting member.

4. The battery testing tooling according to claim 3, wherein, a disassembly structure is provided between the pressing member and the connecting member, and the pressing member and the connecting member are detachably connected through the disassembly structure.

5. The battery testing tooling according to claim 3, wherein, a movable connection structure is provided between the pressing member and the connecting member, and the pressing member can rotate relative to the connecting member through the movable connection structure.

6. The battery testing tooling according to any one of claims 1 to 5, wherein, at least two of the pressing members are arranged in an array.

7. The battery testing tooling according to any one of claims 1 to 5, wherein, the battery testing tooling further includes a first pressure sensor, and the first pressure sensor is provided on the pressing surface of each pressing member; in the case where the pressing member abuts against the battery under test, the first pressure sensor is configured to monitor the pressure received by the pressing surface.

8. The battery testing tooling according to claim 7, wherein, the battery testing tooling further includes an airtight device and a second pressure sensor; the airtight device is configured to perform an airtight test on the battery under test, each first pressure sensor is electrically connected to the airtight device; the second pressure sensor is electrically connected to the airtight device and is configured to monitor the air pressure inside the battery under test.

9. The battery testing tooling according to claim 8, wherein, the structure of the second pressure sensor is adapted to the structure at the gas outlet of the battery under test, and the second pressure sensor can be connected to the gas outlet of the battery under test.

10. The battery testing tooling according to claim 7, wherein, the battery testing tooling further includes a controller, the first pressure sensor is electrically connected to the controller, and the controller is configured to receive first pressure data monitored by the first pressure sensor and determine a test state of the battery under test according to the first pressure data.

11. The battery testing tooling according to any one of claims 1 to 5, wherein, The battery testing tooling further includes a moving component, which is arranged on one side of the bracket facing the driving component. Each set of the driving components is installed on the moving component, and each set of the driving components can move under the drive of the moving component.

12. The battery testing tooling according to claim 11, wherein, the moving component includes a longitudinal guiding component and a longitudinal driving member; the longitudinal guiding component is installed on the bracket, the driving component is slidably connected to the longitudinal guiding component, one end of the longitudinal driving member is connected to the bracket, and the other end is connected to the driving component; Under the drive of the longitudinal driving member, the driving component can move along the extending direction of the longitudinal guiding component.

13. The battery testing tooling according to claim 12, wherein, the moving component further includes a transverse guiding component and a transverse driving member; the transverse guiding component is slidably installed on the longitudinal guiding component, the driving component is slidably installed on the transverse guiding component so as to be slidably connected to the longitudinal guiding component, one end of the transverse driving member is connected to the transverse guiding component, and the other end is connected to the driving component; Under the drive of the transverse driving member, the driving component can move along the extending direction of the transverse guiding component; wherein, the extending direction of the transverse guiding component and the extending direction of the longitudinal guiding component form an included angle.

14. A method for using a battery testing tooling, the battery testing tooling comprises: an airtight device, a driving component and a pressing member arranged on the driving component; The method for using comprises: placing a battery to be tested on a test station corresponding to the battery testing tooling by using a transporting member; performing a driving action by using the driving component to drive the pressing member to move towards the battery to be tested until the pressing member abuts against the battery to be tested; wherein, a first pressure sensor is arranged on the abutting surface of the pressing member close to the battery to be tested, and the first pressure sensor is used for monitoring the pressure value received by the pressing member; performing an airtightness test on the battery to be tested by using the airtight device.

15. The method for using a battery testing tooling according to claim 14, wherein, the battery testing tooling includes at least two sets of the driving components, and the pressing member is arranged on each set of the driving components; The method for using further comprises: determining a target pressing member among the pressing members according to the shape of the battery to be tested; the shape formed by arranging the target pressing members is adapted to the abutting surface of the battery to be tested; removing the standby pressing members among the pressing members in the battery testing tooling, and the pressing members include the standby pressing members and the target pressing members.

16. A method for controlling a battery testing tooling, which is applied to a controller, the battery testing tooling comprises: an airtight device, a driving component and a pressing member arranged on the driving component; The control method comprises: responding to a transporting request, and controlling the transporting member to place the battery to be tested on a test station corresponding to the battery testing tooling; In response to a test request, control the driving component to perform a driving action to drive the pressing member to move in a direction close to the battery under test until the pressing member abuts against the battery under test; wherein, a first pressure sensor is arranged on the abutting surface of the pressing member close to the battery under test. Control the airtight device to perform an airtight test on the battery under test. Receive the first pressure data monitored by the first pressure sensor and determine the test state of the battery under test according to the first pressure data.

17. The control method for a battery test tooling according to claim 16, wherein, the determining the test state of the battery under test according to the first pressure data includes: when the first pressure data is greater than a test pressure value and the duration for which the first pressure data is greater than the test pressure value is less than or equal to a preset duration, determining that the test state of the battery under test is normal; when the test state of the battery under test is normal, perform a fitting process on an interference test value based on the test pressure value, where the interference test value is the first pressure data corresponding to the duration.

18. The control method for a battery test tooling according to claim 17, wherein, the battery test tooling includes at least two sets of the driving components, and a pressing member is arranged on each set of the driving components; the controlling the driving component to perform a driving action to drive the pressing member to move in a direction close to the battery under test until the pressing member abuts against the battery under test includes: when the first pressure sensor on the target pressing member among the pressing members monitors a second pressure value, controlling the driving component corresponding to the target pressing member to stop performing the driving action; when the first pressure sensor on each of the target pressing members monitors the second pressure value, clearing the data of the second pressure value of each first pressure sensor.

19. The control method for a battery test tooling according to any one of claims 16 to 18, wherein, the battery test tooling further includes a bracket and a moving component; the driving component is installed on the bracket, and the bracket is installed on an installation station through the moving component, and the moving component is used to drive the bracket to move; the control method further includes: determining the movement position information of the moving component based on the process parameters of the battery under test; determining the detection position information of the battery test tooling for the battery under test based on the movement position information.

20. The control method for a battery test tooling according to claim 19, wherein, the control method further includes: in response to a test request, obtaining the detection position information; based on the detection position information, controlling the moving component to drive the bracket to move so as to drive the pressing member to move to a preset position corresponding to the battery under test.

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