CN-121995223-A - Battery pack production process testing method, device, storage medium and program product

CN121995223ACN 121995223 ACN121995223 ACN 121995223ACN-121995223-A

Abstract

The application provides a battery pack production process test method, a device, a storage medium and a program product, wherein the method comprises the steps of obtaining a DBC file provided by a battery management unit, wherein the DBC file indicates a storage address of test information in the battery management unit and a corresponding analysis rule, and the test information at least comprises a plurality of test parameters; the method comprises the steps of obtaining target test data stored in a target storage address based on the target storage address corresponding to target test parameters in a plurality of test parameters, analyzing the target test data according to analysis rules in a DBC file to obtain the target test parameters, and storing basic test information and the plurality of target test parameters in test information to a local storage and/or importing the basic test information and the plurality of target test parameters to an MES database. According to the application, the test data obtained from the battery management unit can be directly imported into the MES database, and more test data can be obtained, so that the use experience of a user is greatly improved.

Inventors

SHEN LIN
XU GUOYAO
LI SHENGFENG
HUANG WEI
MA JIAQI

Assignees

青岛中集普威新能源科技有限公司
青岛中集集装箱制造有限公司
中集集装箱(集团)有限公司
中国国际海运集装箱(集团)股份有限公司

Dates

Publication Date: 20260508
Application Date: 20251230

Claims (14)

1.A method for testing a battery pack manufacturing process, the method comprising: The method comprises the steps of obtaining a DBC file provided by a battery management unit, wherein the DBC file indicates a storage address of test information in the battery management unit and a corresponding analysis rule, and the test information at least comprises a plurality of test parameters; Acquiring target test data stored in a target storage address based on the target storage address corresponding to a target test parameter in a plurality of test parameters; analyzing the target test data according to the analysis rule in the DBC file to obtain the target test parameters; and saving the basic test information and a plurality of target test parameters in the test information to a local storage and/or importing the basic test information and the target test parameters into an MES database.
2. The battery pack manufacturing process testing method of claim 1, wherein the plurality of test parameters includes at least voltage, temperature, maximum voltage, minimum voltage, maximum temperature, differential pressure, and differential temperature of the cells in the battery pack.
3. The battery pack manufacturing process testing method of claim 1, wherein the target storage address is at least one address.
4. The battery pack manufacturing process testing method of claim 1, wherein said parsing the target test data to obtain the target test parameters comprises: And analyzing the byte sequence of the target test data according to the big endian.
5. The method of claim 2, wherein parsing the target test data according to the parsing rules in the DBC file to obtain the target test parameters comprises: Acquiring coefficients and offset of the target test parameters from the DBC file; and analyzing the target test data according to the coefficient and the offset to obtain the target test parameters.
6. The battery pack manufacturing process testing method of claim 5, wherein the parsing the target test data according to the coefficients and the offset to obtain the target test parameters comprises: the target test parameter is the sum of the product of the target test data and the coefficient and the offset.
7. The battery pack manufacturing process testing method of claim 5, wherein the obtaining the coefficients and offsets of the target test parameters from the DBC file comprises: if the target test parameter is temperature, the obtained coefficient is 0.1, and the offset is 70; and if the target test parameter is voltage, the acquired coefficient is 0.001, and the offset is 0.
8. The battery pack manufacturing process test method of claim 1, wherein importing the base test information and the plurality of target test parameters into an MES database comprises: Acquiring a configuration file, wherein the configuration file records the connection information of the MES database; And importing the basic test information and the target test parameters into an MES database according to the connection information.
9. The battery pack manufacturing process testing method of claim 8, further comprising: and managing the connection information in the configuration file through an auxiliary tool.
10. The battery pack manufacturing process testing method of claim 8, wherein the connection information includes at least a database server address, a port number, a database name, a login user name, and a password.
11. The battery pack manufacturing process test method of claim 1, wherein the basic test information includes at least a total voltage, a total resistance, an SN of the battery pack, an SN of the battery management unit, a test temperature, a test humidity, a tester, and a test time.
12. A battery pack production process testing device, characterized in that the device comprises a memory and a processor, the memory having stored thereon a computer program to be run by the processor, which computer program, when run by the processor, causes the processor to perform the battery pack production process testing method of any one of claims 1-11.
13. A storage medium having stored thereon a computer program to be run by a processor, which computer program, when run by the processor, causes the processor to perform the battery pack production process testing method of any one of claims 1-11.
14. A computer program product, characterized in that the computer program product, when run by a processor, causes the processor to perform the battery pack production process testing method of any one of claims 1-11.

Description

Battery pack production process testing method, device, storage medium and program product Technical Field The application relates to the technical field of battery pack detection, in particular to a battery pack production process testing method, a device, a storage medium and a program product. Background Currently, for the production process test of the battery pack, the test of the battery pack is realized by adopting production process test software. However, the existing battery pack production process test software is limited by factors such as design purpose, development cost and safety, and can not realize the docking with the MES database, so that the limitation restricts the use experience of users. Disclosure of Invention In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the application is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter. Aiming at the existing problems, the application provides a method for testing the production process of a battery pack, which comprises the following steps: The method comprises the steps of obtaining a DBC file provided by a battery management unit, wherein the DBC file indicates a storage address of test information in the battery management unit and a corresponding analysis rule, and the test information at least comprises a plurality of test parameters; Acquiring target test data stored in a target storage address based on the target storage address corresponding to a target test parameter in the plurality of test parameters; analyzing the target test data according to the analysis rules in the DBC file to obtain target test parameters; and saving the basic test information and the target test parameters in the test information to a local storage and/or importing the basic test information and the target test parameters into an MES database. In one embodiment, the plurality of test parameters includes at least a voltage, a temperature, a maximum voltage, a minimum voltage, a maximum temperature, a differential pressure, and a differential temperature of the cells in the battery pack. In one embodiment, the target storage address is at least one address. In one embodiment, parsing the target test data to obtain target test parameters includes: And analyzing the byte sequence of the target test data according to the big endian. In one embodiment, parsing the target test data according to parsing rules in the DBC file to obtain target test parameters includes: Obtaining coefficients and offset of target test parameters from a DBC file; And analyzing the target test data according to the coefficient and the offset to obtain target test parameters. In one embodiment, analyzing the target test data according to the coefficient and the offset, and obtaining the target test parameter includes: the target test parameter is the sum of the product of the target test data and the coefficient and the offset. In one embodiment, obtaining coefficients and offsets for the target test parameters from the DBC file includes: if the target test parameter is temperature, the acquired coefficient is 0.1, and the offset is 70; if the target test parameter is voltage, the obtained coefficient is 0.001, and the offset is 0. In one embodiment, importing the base test information and the plurality of target test parameters into the MES database comprises: acquiring a configuration file, wherein the configuration file records the connection information of the MES database; and importing the basic test information and the target test parameters into an MES database according to the connection information. In one embodiment, further comprising: and managing the connection information in the configuration file through an auxiliary tool. In one embodiment, the connection information includes at least a database server address, port number, database name, login user name, and password. In one embodiment, the basic test information includes at least a total voltage, a total resistance, an SN of the battery pack, an SN of the battery management unit, a test temperature, a test humidity, a tester, and a test time. The application also provides a battery pack production process testing device, which comprises a memory and a processor, wherein the memory stores a computer program operated by the processor, and the computer program enables the processor to execute the battery pack production process testing method when the computer program is operated by the processor. The present application further provides a storage medium, on which a computer program is stored which, when executed by a processor, causes the processor to execute the aforementioned battery pack production process testing method. The application also provides a computer program pro