Wireless Test Fixture for Battery Formation Calibration
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Solution Overview
Problem
Conventional test methods for battery formation apparatuses are inadequate in efficiently testing and calibrating the accuracy of voltage and current control, especially in complex and automated battery production environments, leading to a need for an automatic and systematic enhancement of test efficiency.
Innovation Solution
An automatic test system comprising a battery formation apparatus and a test fixture with a wireless transmission interface, which performs charging and discharging modes, generates measurement results, and sends them wirelessly for calibration and verification, using a network to control the test procedure and integrate with robotic devices for efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional test methods are used for battery formation apparatuses, then the testing process can be performed, but the test efficiency is insufficient and cannot meet the needs of complex and automated battery production environments
Solution Approach 1:
The patent introduces a test fixture as an intermediary device between the battery formation apparatus and the measurement system. This test fixture includes a battery slot that receives a test battery, a voltage measurement unit, and a current measurement unit, serving as a mediator to systematically conduct tests and improve test efficiency in complex production environments
Solution Approach 2:
The patent replaces conventional manual or semi-automated test methods with an automated test system that uses wireless communication (WiFi module) and electronic measurement units. This substitution of mechanical/manual operations with electronic and automated systems enables systematic enhancement of test efficiency to meet automated production line requirements
2Manufacturing precision
If the formation apparatus is calibrated and verified frequently to maintain accuracy, then the voltage and current control precision is maintained, but the production time is consumed
Solution Approach 1:
The patent implements a systematic test procedure that includes preliminary actions such as connecting the test fixture to the battery formation apparatus, automatically conducting voltage and current measurements, and performing calibration verification before actual production. This preliminary automated testing ensures accuracy is maintained without consuming excessive production time
Solution Approach 2:
The test fixture is designed to automatically perform measurement and calibration verification functions without requiring manual intervention. The system self-services by automatically connecting to the battery formation apparatus, conducting tests, and generating results, thereby maintaining accuracy while minimizing time loss
Data Source
AI summary
An automatic test system and method are provided. The automatic test system includes at least one formation apparatus and a test fixture. The formation apparatus receives a first control command from a network and executes a test procedure according to the first control command. The test procedure includes a charging mode and a discharging mode. The test fixture is selectively coupled to the formation apparatus. During the test procedure, when the test fixture is coupled to the formation apparatus, the test fixture generates a first measurement result. The test fixture transmits the first measurement result to the formation apparatus via a wireless communication interface of the test fixture.