Battery cell synchronous linkage test method and device, electronic equipment and storage medium

Abstract

The invention provides a battery cell synchronous linkage test method and device, electronic equipment and a storage medium, and relates to the technical field of battery cell detection, and the method comprises the steps: creating a multi-channel linkage group according to the test demand information of each test channel of a battery cell test system; test steps of the multi-channel linkage group are set, and pause identification is set for each test step; the test steps are executed, the member channels in the multi-channel linkage group synchronously start each test step, and if a certain member channel triggers pause identification, the current test steps of all the member channels are paused; and if all the member channels are paused, all the member channels continue to execute the next test step until the test is finished, and a test result is obtained. According to the invention, simultaneous and same-step linkage testing of multiple battery cells can be realized, the completion time of the whole task is obviously shortened, abnormal conditions can be found and processed in time, the system failure rate is reduced, multiple test cases are accumulated, and the method is suitable for different application scenes.

Description

Technical Field

[0001] The present invention relates to the technical field of battery cell detection, and in particular to a battery cell synchronous linkage testing method, device, electronic equipment and storage medium. Background Art

[0002] It is crucial to conduct strict testing of battery cells before leaving the factory, which is not only related to the performance of the battery, but also directly affects its safety, reliability and service life. The battery cell test system is mainly used to evaluate and optimize the performance of battery cells, and to perform charging and discharging tests on the cells by accurately controlling the current and voltage. The system can monitor the voltage, current, temperature and other parameters of the battery cells in real time, and evaluate the performance and health status of the battery cells based on these data.

[0003] The mainstream battery cell testing systems in the current market are single-channel or multi-channel parallel charging and discharging tests on battery cells. Single-channel testing can only test a single battery cell at a time, and the test process is independent, which is suitable for small-scale or specific testing needs. Multi-channel testing uses multiple independent control channels to test multiple batteries at the same time, which improves test efficiency, but the test process of each battery cell is still independent of each other, and complex synchronous linkage testing cannot be achieved. In certain specific application scenarios, such as the performance evaluation of battery packs or battery packs, when it is necessary to simulate the interaction and collaborative work between battery cells, the existing battery cell testing system cannot meet the synchronous linkage testing of multiple test objects. Summary of the invention

[0004] In view of the above-mentioned deficiencies in the prior art, the present invention provides a method, device, electronic device and storage medium for synchronous linkage testing of battery cells, which effectively solve the problem that the existing battery cell testing system cannot meet the synchronous linkage testing of multiple test objects.

[0005] In a first aspect, the present invention provides a method for synchronous linkage testing of electric cells, the method being applied to an electric cell testing system, the electric cell testing system comprising a plurality of test channels, each of the test channels being connected to an electric cell, the method comprising:

[0006] Creating a multi-channel linkage group according to the test requirement information of each test channel of the battery cell test system;

[0007] Setting the test steps of the multi-channel linkage group, and setting a pause identification for each of the test steps;

[0008] Execute the test step, the member channels in the multi-channel linkage group synchronously start each of the test steps, and if there is a member channel that triggers the pause identification, the current test step of all the member channels is paused;

[0009] If all the member channels are paused, all the member channels are started synchronously to continue to execute the next test step until the test is completed to obtain the test result.

[0010] Furthermore, the method further comprises:

[0011] A synchronous safety protection threshold is set for each of the test steps. If a member channel triggers the synchronous safety protection threshold, the test of the multi-channel linkage group is suspended to perform troubleshooting.

[0012] Further, the creating a multi-channel linkage group according to the test requirement information of each test channel of the battery cell test system includes:

[0013] Acquire test requirement information of each of the test channels, and divide the multiple test channels that require linkage testing according to the test requirement information to obtain at least one linkage group;

[0014] Set the group name of the linkage group, each group name is different;

[0015] The multiple test channels in the linkage group are adjusted, and a unique identifier of each of the test channels is set to obtain the multi-channel linkage group.

[0016] Furthermore, the test step of setting the multi-channel linkage group includes:

[0017] Setting the test step state of the multi-channel linkage group, wherein the test step state at least includes charging, discharging, pausing and shelving states;

[0018] The state conversion logic and state parameters are set according to the test step state to obtain the test step of the multi-channel linkage group.

[0019] Further, setting a pause identification for each of the test steps includes:

[0020] Setting the pause recognition to be triggered after each test step is completed;

[0021] A cut-off condition is set for each of the test steps, and the pause identification is triggered when the cut-off condition is reached.

[0022] Furthermore, the synchronous safety protection threshold includes at least a battery cell voltage threshold, a battery cell temperature threshold and a test current threshold.

[0023] In a second aspect, the present invention provides a battery cell synchronous linkage test device, the device is applied to a battery cell test system, the battery cell test system includes a plurality of test channels, each of the test channels is connected to a battery cell, the device includes:

[0024] A group creation module, used to create a multi-channel linkage group according to the test requirement information of each test channel of the battery test system;

[0025] A step setting module, used to set the test steps of the multi-channel linkage group and set a pause recognition for each of the test steps;

[0026] A synchronous waiting module, used for executing the test step, wherein the member channels in the multi-channel linkage group synchronously start each of the test steps, and if a member channel triggers the pause identification, the current test step of all the member channels is paused;

[0027] The test execution module is used for, if all the member channels are paused, all the member channels are synchronously started to continue to execute the next test step until the test is completed, so as to obtain the test result.

[0028] Furthermore, the device also includes:

[0029] The synchronous protection module is used to set the synchronous safety protection threshold of each of the test steps. If there is a member channel that triggers the synchronous safety protection threshold, the test of the multi-channel linkage group is suspended to perform troubleshooting.

[0030] In a third aspect, the present invention provides an electronic device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the battery cell synchronous linkage testing method as described in the first aspect of the present invention.

[0031] In a fourth aspect, the present invention provides a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the battery cell synchronous linkage testing method as described in the first aspect of the present invention.

[0032] The battery cell synchronous linkage test method, device, electronic device and storage medium provided by the present invention can realize linkage testing of multiple battery cells at the same time and in the same step. When testing multiple battery cells, there is no need to physically connect them in series, which can effectively isolate the impact of problematic battery cells on other battery cells in the test, and by processing multiple channels in parallel, the completion time of the overall task can be significantly shortened. Through status bit identification, the battery cell testing system can accurately grasp the status and progress of each test channel, and can promptly detect and handle abnormal situations, reducing the system failure rate. According to actual needs, the number of channels and grouping methods can be flexibly configured, and single or multiple battery cells can be flexibly replaced to execute different test schemes, and multiple test cases can be accumulated to adapt to different application scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0034] Figure 1 This is a first flow chart of a cell synchronous linkage testing method provided by an embodiment of the present invention;

[0035] Figure 2 This is a second flow chart of the battery cell synchronous linkage testing method provided by an embodiment of the present invention;

[0036] Figure 3 This is a third flow chart of the battery cell synchronous linkage testing method provided by an embodiment of the present invention;

[0037] Figure 4 This is a fourth flow chart of the battery cell synchronous linkage testing method provided by an embodiment of the present invention;

[0038] Figure 5 This is a fifth flow chart of the battery cell synchronous linkage testing method provided by an embodiment of the present invention;

[0039] Figure 6 It is a first schematic diagram of the structure of a battery cell synchronous linkage test device provided by an embodiment of the present invention;

[0040] Figure 7 It is a second schematic diagram of the structure of the battery cell synchronous linkage test device provided by an embodiment of the present invention;

[0041] Figure 8 It is a structural schematic diagram of an electronic device provided by an embodiment of the present invention.

[0042] Description of main component symbols:

[0043] 600, battery cell synchronous linkage test device; 610, group creation module; 620, work step setting module; 630, synchronous waiting module; 640, synchronous protection module; 650, test execution module; 800, electronic device; 810, processor; 820, communication interface; 830, memory; 840, communication bus. DETAILED DESCRIPTION

[0044] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be further clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. It should be noted that the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0045] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0046] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0047] The mainstream battery cell testing systems in the current market are single-channel or multi-channel parallel charging and discharging tests on battery cells. Single-channel testing can only test a single battery cell at a time, and the test process is independent, which is suitable for small-scale or specific testing needs. Multi-channel testing uses multiple independent control channels to test multiple batteries at the same time, which improves test efficiency, but the test process of each battery cell is still independent of each other, and complex synchronous linkage testing cannot be achieved. In certain specific application scenarios, such as the performance evaluation of battery packs or battery packs, when it is necessary to simulate the interaction and collaborative work between battery cells, the existing battery cell testing system cannot meet the synchronous linkage testing of multiple test objects.

[0048] Example 1

[0049] The embodiment of the present invention provides a method for synchronous linkage testing of battery cells, which effectively solves the problem that the existing battery cell testing system cannot meet the synchronous linkage testing of multiple test objects. The method provided by the embodiment of the present invention is applied to a battery cell testing system, which may include but is not limited to a charging and discharging machine or other detection systems of the battery cells. The battery cell testing system includes multiple test channels, each of which is connected to a battery cell. Figure 1 is a first flow chart of the battery cell synchronous linkage test method provided by an embodiment of the present invention, such as Figure 1 As shown, the method comprises the following steps:

[0050] S100: Create a multi-channel linkage group according to the test requirement information of each test channel of the battery cell test system.

[0051] Figure 2 is a second flow chart of the battery cell synchronous linkage test method provided by an embodiment of the present invention, such as Figure 2 As shown, the creation of a multi-channel linkage group includes the following steps:

[0052] S110: Acquire test requirement information of each test channel, and divide multiple test channels that require linkage testing according to the test requirement information to obtain at least one linkage group.

[0053] In the battery cell test system, the test requirement information of each test channel is usually based on multiple aspects such as the safety performance, environmental adaptability and physical durability of the battery cell. According to these test requirements, multiple test channels that need to be tested in linkage can be divided to obtain one or more linkage groups. For example, multiple test channels that need to be tested for safety performance are divided into a linkage group to comprehensively evaluate the safety performance of the battery cell under extreme conditions such as short circuit, internal short circuit, heavy object impact and fall. The test channels within the linkage group will perform the same test steps, while the test channels outside the linkage group will maintain independent testing mode.

[0054] S120, setting a group name for the linkage group, where each group name is different.

[0055] In the embodiment of the present invention, in order to ensure that the group name of the linkage group is unique, when setting the group name of a linkage group, the group names of other linkage groups are read and compared at the same time. If the same group name is retrieved, a prompt is given to avoid duplication of group names.

[0056] Optionally, operations such as adding, deleting, checking, and modifying can be performed on each linkage group as a whole. For example, when setting the overall grouping, the test party sets it according to 4 overall groups, but during the test process, due to changes in requirements, only 2 linkage groups are required. At this time, the 2 linkage groups can be deleted.

[0057] S130: Adjust multiple test channels in the linkage group, set a unique identifier for each test channel, and obtain a multi-channel linkage group.

[0058] The contents of multiple test channels in the linkage group can be adjusted according to actual test requirements, such as adding or deleting test channels, or sorting the test channels in the linkage group. Each test channel in the linkage group needs to be set with a unique identifier to distinguish it in the linkage group.

[0059] By rationally dividing and linking the various test channels of the battery test system according to the test requirement information, this can not only improve the test efficiency, but also ensure that the performance of the battery cell in all aspects can be comprehensively evaluated.

[0060] S200, setting the test steps of the multi-channel linkage group, and setting pause recognition for each test step.

[0061] Figure 3 is a third flow chart of the battery cell synchronous linkage test method provided by an embodiment of the present invention, such as Figure 3 As shown, the test process of setting up a multi-channel linkage group includes the following steps:

[0062] S210, setting the test step status of the multi-channel linkage group, the test step status at least including charging, discharging, pausing and shelving status.

[0063] In the embodiment of the present invention, a state machine is designed for each multi-channel linkage group to set the test step state, which is used to control the state transition of the test channels in the group. The state machine should contain all possible test step states, including but not limited to charging, discharging, pausing and shelving states.

[0064] S220, setting state conversion logic and state parameters according to the test step state, and obtaining the test step of the multi-channel linkage group.

[0065] Each test step state is configured with specific state transition logic and state parameters, including but not limited to parameters such as charging current and discharging voltage, and ensures that these state parameters can be correctly applied to all test channels in the multi-channel linkage group. Multi-channel linkage grouping introduces the recognition of the state bits of each test channel in the group to achieve the purpose of linkage. The recognition of the state bit is to recognize the charging, discharging, pausing and shelving states in the test step state. The state bit is the coupling of the test step state and the specific state parameters.

[0066] Figure 4 is a fourth flow chart of the battery cell synchronous linkage test method provided by an embodiment of the present invention, such as Figure 4 As shown, setting pause recognition for each test step includes the following steps:

[0067] S230, setting a trigger for pause recognition after each test step is completed.

[0068] The channels in the multi-channel linkage group can synchronously start any test step to perform cell testing. At the end of any test step, a pause recognition mechanism is set to achieve the multi-channel synchronous waiting function. The synchronous waiting function refers to the pause instruction in the cell test system, and at the same time superimposes the recognition of the status bits of each test channel in the multi-channel linkage group, so as to achieve the synchronous start of any test step.

[0069] S240, setting a cutoff condition for each test step, and triggering pause recognition when the cutoff condition is reached.

[0070] Optionally, the cut-off condition of each test step can be set, including but not limited to the cell voltage, cell capacity, test current and test time. When any test channel in the multi-channel linkage group reaches the cut-off condition of any step, the pause recognition mechanism is triggered, and the test channel pauses the test. At the same time, the cell test system sends a pause recognition instruction to other test channels in the multi-channel linkage group. Each test channel receives the pause recognition instruction and synchronously pauses the test.

[0071] S300, executing a test step, the member channels in the multi-channel linkage group synchronously start each test step, and if a member channel triggers a pause identification, the current test step of all member channels is paused.

[0072] In an embodiment of the present invention, an instruction is sent to the battery cell test system to execute a test step, and the member channels in the multi-channel linkage group are started synchronously, and each test step is executed in sequence. During the execution of the test step, if a member channel triggers the pause recognition of the current test step, all member channels are paused from executing the current test step. The coordination of software and hardware ensures that the time from the suspension of the test on the first test channel to the suspension of the test on all test channels in the multi-channel linkage group does not exceed 1 second. Specifically, the software side needs to consider the delay of the battery cell test system identifying the test channel and issuing instructions when designing the underlying code, while on the hardware side, the signal connection line between the device control computer and the intermediate computer is controlled within a reasonable length.

[0073] S500: If all member channels are paused, all member channels are started synchronously to continue to execute the next test step until the test is completed to obtain the test result.

[0074] Optionally, when all member channels in the multi-channel linkage group enter the pause test, a command is issued to the battery cell test system, and all member channels are synchronously started to continue to execute the next test step. At the same time, the cooperation between the software and hardware ends ensures that all member channels enter the next test step within 1 second. Repeat steps S300 and S500 until the test is completed and the test results are obtained.

[0075] As a preferred implementation of the present invention, Figure 5 is a fifth flow chart of the battery cell synchronous linkage test method provided by an embodiment of the present invention, such as Figure 5 As shown, the method also includes the following steps:

[0076] S400, setting a synchronous safety protection threshold for each test step. If a member channel triggers the synchronous safety protection threshold, suspending the test of the multi-channel linkage group to perform troubleshooting.

[0077] In order to ensure the safety of synchronous linkage testing of multiple cells, a synchronous safety protection threshold is set for each test step, which includes but is not limited to the cell voltage threshold, cell temperature threshold and test current threshold. When any member channel in the multi-channel linkage group stops testing due to triggering the synchronous safety protection threshold, the cell test system automatically sends a stop test instruction to other member channels in the multi-channel linkage group, so that all member channels in the multi-channel linkage group stop testing synchronously. After eliminating the protection fault, start all member channels to continue testing to ensure that all member channels continue testing under the same test step.

[0078] Optionally, during the test process, member channels in the multi-channel linkage group cannot perform a reset process operation to ensure that the processes of each member channel are consistent, thereby preventing test asynchrony problems caused by inconsistent processes.

[0079] The battery cell synchronous linkage test method provided by the embodiment of the present invention can realize linkage testing of multiple battery cells at the same time and in the same step. When testing multiple battery cells, there is no need to physically connect them in series, which can effectively isolate the impact of the problem battery cell on other battery cells in the test, and by processing multiple channels in parallel, the completion time of the overall task can be significantly shortened. Through status bit recognition, the battery cell test system can accurately grasp the status and progress of each test channel, and can promptly discover and handle abnormal situations, reducing the system failure rate.

[0080] Example 2

[0081] Based on the same technical concept as the method embodiment of the above embodiment 1, the embodiment of the present invention provides a battery cell synchronous linkage test device, Figure 6 is a first schematic diagram of the structure of a battery cell synchronous linkage test device provided by an embodiment of the present invention, such as Figure 6 As shown, the battery cell synchronous linkage testing device 600 includes:

[0082] The group creation module 610 is used to create a multi-channel linkage group according to the test requirement information of each test channel of the battery cell test system.

[0083] The step setting module 620 is used to set the test steps of the multi-channel linkage group and set pause recognition for each test step.

[0084] The synchronous waiting module 630 is used to execute the test step. The member channels in the multi-channel linkage group synchronously start each test step. If a member channel triggers the pause recognition, the current test step of all member channels is paused.

[0085] The test execution module 650 is used to synchronously start all member channels to continue to execute the next test step until the test is completed to obtain the test result if all member channels are paused.

[0086] As a preferred implementation of the present invention, Figure 7 is a second schematic diagram of the structure of the battery cell synchronous linkage test device provided by an embodiment of the present invention, such as Figure 7 As shown, the battery cell synchronous linkage testing device 600 also includes:

[0087] The synchronization protection module 640 is used to set the synchronization safety protection threshold of each test step. If a member channel triggers the synchronization safety protection threshold, the test of the multi-channel linkage group is suspended to perform troubleshooting.

[0088] The battery cell synchronous linkage test device provided in the embodiment of the present invention can flexibly configure the number of channels and grouping methods according to actual needs, can flexibly replace a single or multiple battery cells to execute different test schemes, and accumulate multiple test cases to adapt to different application scenarios.

[0089] It can be understood that the implementation method of the battery cell synchronous linkage test method described in the above embodiment 1 is also applicable to this embodiment and can achieve the same technical effect, so it will not be repeated here.

[0090] Example 3

[0091] Based on the same concept, an embodiment of the present invention further provides an electronic device, Figure 8 is a schematic diagram of the structure of an electronic device provided by an embodiment of the present invention, such as Figure 8 As shown, the electronic device 800 may include: a processor 810, a communication interface 820, a memory 830 and a communication bus 840, wherein the processor 810, the communication interface 820, and the memory 830 communicate with each other through the communication bus 840. The processor 810 may call the logic instructions in the memory 830 to execute the steps of the cell synchronization linkage test method described in the above embodiments. For example, it includes:

[0092] S100, creating a multi-channel linkage group according to the test requirement information of each test channel of the battery test system;

[0093] S200, setting the test steps of the multi-channel linkage group, and setting a pause identification for each test step;

[0094] S300, executing the test step, the member channels in the multi-channel linkage group synchronously start each test step, if there is a member channel that triggers the pause recognition, the current test step of all member channels is paused;

[0095] S400: If all member channels are paused, all member channels are started synchronously to continue to execute the next test step until the test is completed to obtain the test result.

[0096] The processor 810 may be a central processing unit (CPU). The processor may also be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or a combination of the above chips.

[0097] In addition, the logic instructions in the above-mentioned memory 830 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when it is sold or used as an independent product. Based on such an understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art or the part of the technical solution, can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk and other media that can store program codes.

[0098] The memory 830 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application required for at least one function; the data storage area may store data created by the processor, etc. In addition, the memory may include a high-speed random access memory, and may also include a non-transient memory, such as at least one disk storage device, a flash memory device, or other non-transient solid-state storage device. In some embodiments, the memory may optionally include a memory remotely disposed relative to the processor, and these remote memories may be connected to the processor via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0099] Example 4

[0100] Based on the same concept, an embodiment of the present invention further provides a computer-readable storage medium, which stores a computer program, and the computer program includes at least one code segment, which can be executed by a main control device to control the main control device to implement the steps of the battery cell synchronization linkage test method described in the above embodiments. For example, it includes:

[0101] S100, creating a multi-channel linkage group according to the test requirement information of each test channel of the battery test system;

[0102] S200, setting the test steps of the multi-channel linkage group, and setting a pause identification for each test step;

[0103] S300, executing the test step, the member channels in the multi-channel linkage group synchronously start each test step, if there is a member channel that triggers the pause recognition, the current test step of all member channels is paused;

[0104] S400: If all member channels are paused, all member channels are started synchronously to continue to execute the next test step until the test is completed to obtain the test result.

[0105] Based on the same technical concept, an embodiment of the present invention further provides a computer program, which is used to implement the above method embodiment when executed by a main control device.

[0106] The computer program may be stored in whole or in part on a computer-readable storage medium packaged with the processor, or may be stored in whole or in part on a memory not packaged with the processor.

[0107] Based on the same technical concept, an embodiment of the present invention further provides a processor, which is used to implement the above method embodiment. The above processor can be a chip.

[0108] In summary, the battery cell synchronous linkage test method, device, electronic device and storage medium provided by the present invention can realize linkage testing of multiple battery cells at the same time and in the same step. When testing multiple battery cells, there is no need to physically connect them in series, which can effectively isolate the impact of problematic battery cells on other battery cells in the test, and by processing multiple channels in parallel, the completion time of the overall task can be significantly shortened. Through status bit identification, the battery cell testing system can accurately grasp the status and progress of each test channel, and can promptly detect and handle abnormal situations, reducing the system failure rate. According to actual needs, the number of channels and grouping methods can be flexibly configured, and single or multiple battery cells can be flexibly replaced to execute different test schemes, and multiple test cases can be accumulated to adapt to different application scenarios.

[0109] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0110] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

[0111] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A battery cell synchronous linkage test method, characterized in that: The method is applied to a battery cell testing system, the battery cell testing system includes a plurality of test channels, each of the test channels is connected to a battery cell, and the method includes: Creating a multi-channel linkage group according to the test requirement information of each test channel of the battery cell test system; Setting the test steps of the multi-channel linkage group, and setting a pause identification for each of the test steps; Execute the test step, the member channels in the multi-channel linkage group synchronously start each of the test steps, and if there is a member channel that triggers the pause identification, the current test step of all the member channels is paused; If all the member channels are paused, all the member channels are started synchronously to continue to execute the next test step until the test is completed to obtain the test result.

2. The battery cell synchronous linkage test method according to claim 1, characterized in that: The method further comprises: A synchronous safety protection threshold is set for each of the test steps. If a member channel triggers the synchronous safety protection threshold, the test of the multi-channel linkage group is suspended to perform troubleshooting.

3. The battery cell synchronous linkage test method according to claim 1, characterized in that: The creating a multi-channel linkage group according to the test requirement information of each test channel of the battery cell test system includes: Acquire test requirement information of each of the test channels, and divide the multiple test channels that require linkage testing according to the test requirement information to obtain at least one linkage group; Set the group name of the linkage group, each group name is different; The multiple test channels in the linkage group are adjusted, and unique identifiers of the multiple test channels are set to obtain the multi-channel linkage group.

4. The battery cell synchronous linkage test method according to claim 3, characterized in that: The step of setting the test of the multi-channel linkage group includes: Setting the test step state of the multi-channel linkage group, wherein the test step state at least includes charging, discharging, pausing and shelving states; The state conversion logic and state parameters are set according to the test step state to obtain the test step of the multi-channel linkage group.

5. The battery cell synchronous linkage test method according to claim 4, characterized in that: The step of setting a pause identification for each of the test steps comprises: Setting the pause recognition to be triggered after each test step is completed; A cut-off condition is set for each of the test steps, and the pause identification is triggered when the cut-off condition is reached.

6. The battery cell synchronous linkage test method according to claim 2, characterized in that: The synchronous safety protection threshold includes at least a battery cell voltage threshold, a battery cell temperature threshold and a test current threshold.

7. A battery cell synchronous linkage test device, characterized in that: The device is applied to a battery cell testing system, the battery cell testing system includes a plurality of test channels, each of the test channels is connected to a battery cell, and the device includes: A group creation module, used to create a multi-channel linkage group according to the test requirement information of each test channel of the battery test system; A step setting module, used to set the test steps of the multi-channel linkage group and set a pause recognition for each of the test steps; A synchronous waiting module, used for executing the test step, wherein the member channels in the multi-channel linkage group synchronously start each of the test steps, and if a member channel triggers the pause identification, the current test step of all the member channels is paused; The test execution module is used for, if all the member channels are paused, all the member channels are synchronously started to continue to execute the next test step until the test is completed, so as to obtain the test result.

8. The battery cell synchronous linkage test device according to claim 7, characterized in that: The device also includes: The synchronous protection module is used to set the synchronous safety protection threshold of each of the test steps. If there is a member channel that triggers the synchronous safety protection threshold, the test of the multi-channel linkage group is suspended to perform troubleshooting.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: The processor executes the computer program to implement the battery cell synchronization linkage testing method according to any one of claims 1 to 6.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the battery cell synchronous linkage testing method as described in any one of claims 1 to 6 is implemented.

Images