Dummy Battery Cell for Measuring Apparatus Verification
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Solution Overview
Problem
In electric battery assembly plants, verifying the correct operation of measuring apparatuses for battery cells or modules requires transferring the apparatus to a laboratory, causing production interruptions.
Innovation Solution
A method and system using dummy battery cells with predetermined resistance and voltage values to quickly and easily verify the correct operation of measuring apparatuses within the assembly plant, without removing the apparatus.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the measuring apparatus is transferred to a specialized laboratory for verification, then the correctness of measurement can be ensured, but production is interrupted and time is lost
Solution Approach 1:
A dummy battery cell is introduced as an intermediary object to enable verification of the measuring apparatus within the production environment. The dummy cell contains known reference values for electrical resistance and open circuit voltage, allowing the measuring apparatus to be tested without removing it from the production line or transferring it to a separate laboratory, thus eliminating production interruptions while maintaining verification accuracy
Solution Approach 2:
The dummy battery cell is designed as a simplified copy of a real battery cell, replicating only the essential electrical characteristics (terminals, internal resistance, open circuit voltage) needed for measurement verification. This copying approach allows the measuring apparatus to be tested using the dummy cell in the same manner as with real battery cells, ensuring measurement accuracy without the need for complex laboratory equipment or production shutdowns
2Productivity
If the measuring apparatus remains in the assembly plant for continuous operation, then productivity is maintained, but verification of correct operation becomes difficult
Solution Approach 1:
The dummy battery cell serves as a portable verification tool that can be easily introduced into the production environment. It allows operators to perform quick verification tests of the measuring apparatus at any time during production without requiring specialized laboratory facilities, thereby maintaining both productivity and ease of operation
Solution Approach 2:
The dummy battery cell is designed to be self-contained with known reference values, allowing the measuring apparatus to verify its own operation autonomously. The apparatus measures the dummy cell's electrical parameters and compares them against predetermined reference values, enabling self-verification without external intervention or complex verification procedures
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables precise and reliable verification of measuring apparatus functionality, reducing production interruptions and allowing continuous quality control of battery cells or modules.
Implementation Method 1
a voltage generator configured to produce a voltage of strictly predetermined value at the terminals of said dummy battery cell
Implementation Method 2
a dummy battery cell having an electrical resistance between its terminals having a strictly predetermined value
Data Source
AI summary
In an electric battery assembly plant, including a battery assembly line having a station that receives battery cells or modules to be assembled together, a measuring apparatus is configured for measuring the electrical resistance and the electrical voltage of a single battery cell or a battery module. The correct operation of the measuring apparatus is verified by arranging at least one dummy battery cell configured and sized to emulate a real battery cell, and having an electrical resistance of a predetermined value and/or including a voltage generator to generate a voltage of a strictly predetermined value at the terminals of the dummy battery cell. The dummy battery cell may then be used as a gauge to check in a simple and rapid way whether the measuring apparatus is operating correctly and reliably.