Reusable Voltage Sampling Base for Battery Busbar Testing
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Solution Overview
Problem
The high production cost of batteries due to frequent replacement of bases during battery capacity testing, leading to low cost performance and hindered large-scale production and promotion.
Innovation Solution
A base with clamping members that can securely attach and detach from busbars, allowing the voltage sampling member to be reused across multiple battery cells, reducing the number of bases required and minimizing material waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If bases are frequently replaced during battery capacity testing, then testing can be performed on multiple battery cells, but production cost increases and cost performance deteriorates
Solution Approach 1:
The clamping member is designed to be reusable through repeated clamping and releasing of busbars. After testing one battery cell, the clamping member releases the busbar and can be moved to clamp another busbar for the next battery cell, allowing the same component to be recovered and reused multiple times rather than discarded after single use
Solution Approach 2:
The clamping member incorporates movable components including rotatable clamping arms and elastic members that provide dynamic clamping force. This dynamic design enables the clamping member to adapt to different busbars while maintaining secure connection during testing, facilitating repeated use across multiple battery cells
2Productivity
If bases are frequently replaced during battery capacity testing, then multiple battery cells can be tested, but manufacturing cost increases
Solution Approach 1:
The base assembly with clamping member is designed for recovery and repeated use. The clamping member can be detached from one busbar and attached to another, allowing the same base component to serve multiple battery cells during testing, thereby reducing the number of bases that need to be manufactured and reducing overall production costs
Solution Approach 2:
The clamping member is designed as a universal component that can clamp different busbars connected to various battery cells. The rotatable clamping arms and standardized structure allow the same base to perform the same clamping function across multiple testing operations, reducing the need for multiple specialized bases
3Reliability
If clamping members are designed for secure clamping, then connection stability is improved, but device complexity increases
Solution Approach 1:
The clamping member uses rotatable clamping arms that can rotate about axes to achieve clamping motion. This dynamic mechanism provides secure clamping through rotational movement rather than complex multi-component assemblies, maintaining reliability while controlling complexity
Solution Approach 2:
The elastic member automatically provides clamping force to the busbar when the clamping member is positioned, eliminating the need for additional actuators or complex control mechanisms. The elastic deformation of the spring-like component self-generates the necessary clamping force, simplifying the overall device structure while ensuring stable connection
Data Source
AI summary
Embodiments of this application provide a base, a voltage sampling assembly, and a voltage testing apparatus, and pertain to the field of battery production technologies. The base includes a body and a pair of clamping members. The body is provided with a through hole for the voltage sampling member to run through. The pair of clamping members mounted on the body is configured to clamp a busbar connected to a battery cell. The base provided in the embodiments of this application can reduce the production cost of batteries and facilitate the promotion of batteries.