CN-121995244-A - Battery pack monitoring method and device, electronic equipment and storage medium

Abstract

The invention provides a battery pack monitoring method, a device, electronic equipment and a storage medium, wherein the method comprises the steps of obtaining multi-dimensional parameters of a target battery pack, wherein the multi-dimensional parameters comprise a standby electricity duration parameter, a capacity parameter, a reliability parameter, a data integrity parameter, an attenuation speed parameter, a hidden danger correction parameter, a hidden danger work order parameter and an off-line parameter; and according to the target health degree, carrying out maintenance control on the target battery pack. The invention realizes comprehensive and accurate evaluation of the health degree of the battery pack by collecting the multidimensional parameters of the battery pack, effectively improves the performance of maintenance decision, improves the scientificity and effectiveness of the health management and control of the battery pack, and obviously reduces the operation cost and the power supply interruption risk.

Inventors

• WANG NING

Assignees

• 浪潮通信信息系统有限公司

Dates

Publication Date

20260508

Application Date

20251215

Claims (10)

1. 1. A battery pack monitoring method, comprising: Acquiring multi-dimensional parameters of a target battery pack, wherein the multi-dimensional parameters comprise a standby power duration parameter, a capacity parameter, a reliability parameter, a data integrity parameter, an attenuation speed parameter, a hidden danger correction parameter, a hidden danger work order parameter and an offline parameter; according to the multidimensional parameter, the health degree of the target battery pack is evaluated to obtain target health degree; and carrying out maintenance control on the target battery pack according to the target health degree.
2. 2. The method for monitoring a battery pack according to claim 1, wherein the evaluating the health of the target battery pack according to the multi-dimensional parameter to obtain the target health comprises: preprocessing the multidimensional parameter, wherein the preprocessing comprises outlier rejection and/or missing value filling; Carrying out standardization processing on the processed multidimensional parameters to obtain standardized values of the parameters of each dimension; And evaluating the health degree of the target battery pack according to the standardized value of the parameter in each dimension and the weight value corresponding to the parameter in each dimension to obtain the target health degree.
3. 3. The method for monitoring a battery pack according to claim 2, wherein the evaluating the health of the target battery pack according to the standardized value of the parameter in each dimension and the weight value corresponding to the parameter in each dimension to obtain the target health comprises: Calculating the membership degree of the standardized value of the parameter of each dimension to each preset health grade to form a fuzzy evaluation matrix; and carrying out synthetic calculation on the weight value corresponding to the parameter of each dimension and the fuzzy evaluation matrix to obtain the target health degree.
4. 4. The battery pack monitoring method according to claim 2, wherein the step of determining the weight value corresponding to the parameter for each dimension includes: analyzing the influence degree of the parameters of each dimension on the health evaluation of the target battery pack; and determining a weight value corresponding to the parameter of each dimension according to the influence degree.
5. 5. The method for monitoring a battery pack according to claim 4, wherein determining the weight value corresponding to the parameter for each dimension according to the influence degree comprises: According to the influence degree, determining an initial weight value corresponding to the parameter of each dimension; And according to the life cycle node of the target battery pack and the scene type of the target battery pack, adjusting the initial weight value corresponding to the parameter of each dimension to obtain the weight value corresponding to the parameter of each dimension.
6. 6. The battery pack monitoring method according to any one of claims 1 to 5, wherein the standby time period parameter includes at least one of a discharge start time, a discharge end time, and a load current during discharge; The capacity parameter comprises at least one of a core capacity measurement duration and a residual capacity duration; The data integrity parameters comprise at least one of data acquisition integrity rate, data reporting success rate and inaccurate abnormal data of the equipment; the hidden danger repairing parameters comprise at least one of the data of the hidden danger repairing work orders of the withdrawal hidden danger and the hidden danger repairing completion rate and the hidden danger repairing time rate; the hidden danger work order parameters comprise at least one of hidden danger unaddressed data and hidden danger work order quantity to be processed; The offline parameter includes at least one of an offline number and an offline total duration.
7. 7. The battery pack monitoring method according to any one of claims 1 to 5, wherein the performing maintenance control on the target battery pack according to the target health degree includes: Determining the health grade of the target battery pack from a plurality of preset health grades according to the target health grade to obtain the target health grade, wherein the plurality of preset health grades comprise a first health grade, a second health grade, a third health grade, a fourth health grade and a fifth health grade, the health grade corresponding to the first health grade is larger than or equal to a first threshold value, the health grade corresponding to the second health grade is larger than or equal to a second threshold value and smaller than the first threshold value, the health grade corresponding to the third health grade is larger than or equal to a third threshold value and smaller than the second threshold value, the health grade corresponding to the fourth health grade is larger than or equal to a fourth threshold value and smaller than the third threshold value, and the health grade corresponding to the fifth health grade is smaller than the fourth threshold value; When the target health grade is the fourth health grade or the fifth health grade, determining a target early warning mode in a plurality of preset early warning modes according to the target health grade, wherein each preset early warning mode corresponds to different early warning objects, early warning modes and early warning contents; and carrying out maintenance control on the target battery according to the target early warning mode.
8. 8. A battery pack monitoring apparatus, comprising: The system comprises a parameter acquisition unit, a power supply unit and a power supply unit, wherein the parameter acquisition unit is used for acquiring multi-dimensional parameters of a target battery pack, wherein the multi-dimensional parameters comprise a standby power duration parameter, a capacity parameter, a reliability parameter, a data integrity parameter, an attenuation speed parameter, a hidden danger correction parameter, a hidden danger work order parameter and an offline parameter; The evaluation unit is used for evaluating the health degree of the target battery pack according to the multidimensional parameter to obtain the target health degree; and the control unit is used for carrying out maintenance control on the target battery pack according to the target health degree.
9. 9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the battery monitoring method of any one of claims 1 to 7 when the computer program is executed by the processor.
10. 10. A non-transitory computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed by a processor, implements the battery pack monitoring method according to any one of claims 1 to 7.

Description

Battery pack monitoring method and device, electronic equipment and storage medium Technical Field The present invention relates to the field of device monitoring technologies, and in particular, to a method and an apparatus for monitoring a battery pack, an electronic device, and a storage medium. Background Along with the increasing of the requirements of key infrastructures such as communication base stations, data centers, power systems and the like on the reliability of power supply, the battery pack is used as a core standby power supply for guaranteeing uninterrupted power supply, and the accurate assessment and scientific maintenance of the state of the battery pack become key technical requirements for guaranteeing the safe and stable operation of the system At present, aiming at monitoring of a battery pack, the prior art mainly adopts electrochemical characteristic characterization based on a battery pack body, such as electric parameters of charge and discharge current, terminal voltage and the like, to perform health monitoring of the battery pack, so that the health degree evaluation is on one side, the evaluation result is inaccurate, no comprehensive basis can be provided for maintenance decision, and further, untimely or excessive maintenance is caused, and the operation cost and the system risk are increased. Disclosure of Invention The invention provides a battery pack monitoring method, a device, electronic equipment and a storage medium, which are used for solving the defects that in the prior art, the evaluation of the health degree of a battery pack is unilateral, the evaluation result is inaccurate and cannot provide comprehensive basis for maintenance decision, and improving the comprehensiveness and the accuracy of the health degree evaluation so as to improve the performance of the maintenance decision. The invention provides a battery pack monitoring method, which comprises the following steps: Acquiring multi-dimensional parameters of a target battery pack, wherein the multi-dimensional parameters comprise a standby power duration parameter, a capacity parameter, a reliability parameter, a data integrity parameter, an attenuation speed parameter, a hidden danger correction parameter, a hidden danger work order parameter and an offline parameter; according to the multidimensional parameter, the health degree of the target battery pack is evaluated to obtain target health degree; and carrying out maintenance control on the target battery pack according to the target health degree. According to the method for monitoring the battery pack, the health degree of the target battery pack is evaluated according to the multidimensional parameter to obtain the target health degree, and the method comprises the following steps: preprocessing the multidimensional parameter, wherein the preprocessing comprises outlier rejection and/or missing value filling; Carrying out standardization processing on the processed multidimensional parameters to obtain standardized values of the parameters of each dimension; And evaluating the health degree of the target battery pack according to the standardized value of the parameter in each dimension and the weight value corresponding to the parameter in each dimension to obtain the target health degree. According to the method for monitoring the battery pack, the health degree of the target battery pack is evaluated according to the standardized value of the parameter in each dimension and the weight value corresponding to the parameter in each dimension to obtain the target health degree, and the method comprises the following steps: Calculating the membership degree of the standardized value of the parameter of each dimension to each preset health grade to form a fuzzy evaluation matrix; and carrying out synthetic calculation on the weight value corresponding to the parameter of each dimension and the fuzzy evaluation matrix to obtain the target health degree. According to the battery pack monitoring method provided by the invention, the step of determining the weight value corresponding to the parameter of each dimension comprises the following steps: analyzing the influence degree of the parameters of each dimension on the health evaluation of the target battery pack; and determining a weight value corresponding to the parameter of each dimension according to the influence degree. According to the method for monitoring the battery pack, the weight value corresponding to the parameter of each dimension is determined according to the influence degree, and the method comprises the following steps: According to the influence degree, determining an initial weight value corresponding to the parameter of each dimension; And according to the life cycle node of the target battery pack and the scene type of the target battery pack, adjusting the initial weight value corresponding to the parameter of each dimension to obtain the weight value corresponding to the pa