Battery Pack Master-Slave Identification via Identifier Sorting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing energy storage systems with lithium ion batteries require manual configuration of master and slave battery packs, leading to complex and time-consuming operations with low configuration efficiency.
Innovation Solution
A method and device that allow each battery pack to automatically identify itself as a master or slave by sorting unique identifiers through a communication bus, eliminating the need for manual configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual configuration of master and slave battery packs is used, then the system can establish hierarchical control, but the configuration process becomes complex and time-consuming
Solution Approach 1:
The battery packs automatically identify themselves as master or slave through comparison of their identifiers. Each battery pack compares its identifier with others in the cabinet, and the system autonomously determines the hierarchical structure without requiring external manual configuration, thus eliminating configuration time while maintaining reliable hierarchical control.
Solution Approach 2:
The identifiers are pre-assigned to each battery pack before installation. When battery packs are connected to the cabinet, the hierarchical control structure is automatically established by comparing these pre-assigned identifiers, eliminating the need for time-consuming manual configuration during system setup.
2Reliability
If manual configuration of master and slave battery packs is used, then the system can establish hierarchical control, but the operational complexity increases
Solution Approach 1:
The battery packs autonomously perform the configuration operation by comparing their identifiers with other battery packs in the cabinet. The system automatically determines which battery pack should be the master and which should be slaves, completely eliminating the need for complex manual configuration operations while establishing reliable hierarchical control.
Solution Approach 2:
The manual mechanical configuration process is replaced with an automatic electronic identification and comparison system. Battery packs use their communication interfaces to exchange identifier information and automatically determine hierarchical relationships, substituting complex manual operations with simple automated electronic processes.
3Productivity
If automatic identification by identifier comparison is implemented, then configuration efficiency improves, but the system requires communication between battery packs
Solution Approach 1:
The communication bus, which is necessary for the automatic identification process, serves multiple functions: it enables battery packs to exchange identifier information for automatic master-slave determination, and also supports ongoing monitoring and control operations. This multi-functionality justifies the communication infrastructure as it provides both configuration and operational benefits.
Data Source
AI summary
Embodiments of the present application provide a method and device for identifying a master and slave battery packs. The method includes a first battery pack obtaining, after it is connected to a battery cabinet, its identifier, and obtaining identifiers of other battery packs in the battery cabinet through a communication bus. The total number of the battery packs is N, where N is a positive integer. The method may sort the identifiers of the first battery pack and of the other battery pack to obtain a sorted result. The method may identify the master battery pack and slave battery packs among the first battery pack and the other battery packs according to the sorted result. Each of the battery packs connected to a battery cabinet may automatically identify the master battery pack and slave battery packs according to their identifiers, eliminating manual configuration by a user, and improving configuration efficiency.