Battery Pack Temperature Diagnosis by Module Arrangement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing battery pack safety measures are inadequate as they fail to account for the structure of the battery pack, leading to potential misuse in unexpected high-temperature situations.
Innovation Solution
A battery pack diagnosing apparatus and method that measures and classifies battery module temperatures based on their arrangement within the pack, using threshold temperatures and deviations to diagnose a state of the battery pack, considering stacked and in-line structures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a battery pack is disassembled to diagnose individual cell voltages, then measurement precision is improved, but device complexity and time consumption increase
Solution Approach 1:
The terminal structure is designed to serve multiple functions: it acts as both the electrical connection terminal and the voltage measurement probe interface. The terminal includes a probe receiving cavity that accommodates measurement probes, allowing voltage detection without disassembling the battery pack while maintaining structural integrity and electrical connectivity.
Solution Approach 2:
The measurement probe is inserted into a receiving cavity within the terminal structure, creating a nested configuration. This allows the measurement tool to be housed within the existing terminal structure, eliminating the need for separate external measurement equipment and reducing overall system complexity.
2Measurement precision
If a battery pack is disassembled for diagnosis, then measurement precision is improved, but loss of time increases
Solution Approach 1:
The terminal structure is pre-configured with receiving cavities and contact points for voltage measurement during the manufacturing process. This preliminary preparation allows technicians to perform voltage diagnostics immediately by simply inserting probes, without needing to disassemble the battery pack or prepare additional measurement infrastructure.
3Adaptability or versatility
If different charged states are used for battery packs, then adaptability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The terminal structure incorporates adjustable or flexible electrical contact mechanisms that can adapt to different battery cell states of charge and voltage levels. The measurement system is designed to accommodate varying electrical parameters across different charged states without requiring precise manual adjustment or recalibration during manufacturing.
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
The present disclosure relates to a battery pack diagnosing apparatus and method, and more particularly, to a battery pack diagnosing apparatus and method capable of diagnosing a state of a battery pack. According to one aspect of the present disclosure, the battery pack diagnosing apparatus has an advantage of diagnosing the state of the battery pack in consideration of the arrangement information of the plurality of battery modules, without simply diagnosing the state of the battery pack based on the temperature of each battery module provided in the battery pack.