EV Battery Leak Test Vessel Using Differential Pressure
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Solution Overview
Problem
Electric vehicle batteries are large, expensive, and pose significant fire and electrocution risks due to potential leaks and degradation from casing damage or seal failures, necessitating safe transportation and maintenance solutions.
Innovation Solution
A battery test vessel with a housing system that creates a pressure differential to detect leaks, incorporates a sealing mechanism, and includes pressure sensors to monitor for pressure changes, ensuring safe transportation and maintenance of batteries.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If battery casing is sealed to prevent contamination, then battery reliability is improved, but leak detection becomes more difficult
Solution Approach 1:
The patent applies preliminary action by creating a pressure differential (vacuum or positive pressure) within the sealed battery casing before actual operation. This pre-conditioning allows the system to establish a baseline pressure state, making it easier to detect future leaks through pressure sensors without compromising the sealed integrity of the battery casing.
2Measurement precision
If pressure differential is applied to detect leaks, then leak detection precision is improved, but battery safety risks increase
Solution Approach 1:
The patent applies parameter changes by carefully controlling the pressure differential within specific safe ranges. The system uses pressure sensors to monitor and adjust the pressure levels, ensuring they remain within boundaries that provide sufficient leak detection precision while never exceeding safety thresholds that could damage the battery or create hazardous conditions.
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
The system effectively detects leaks in battery casings, ensuring safe transportation and maintenance of electric vehicle batteries, reducing the risk of fires and electrocution.
Implementation Method 1
A differential pressure source is arranged to create a pressure differential between an external pressure on an exterior of the battery casing and an internal pressure on an interior of the storage battery casing
Implementation Method 2
A pressure sensor measures at least one of the external and internal pressures and monitors for pressure changes indicative of a leak in the battery casing
Data Source
AI summary
An electric vehicle battery test vessel, includes a first housing portion configured to securely receive a battery of an electric vehicle, wherein the battery in contained in a sealed battery casing. A second housing portion is arranged to seal the storage battery in the first housing portion, and selectively open whereby the battery can be removed from or placed into the first housing portion. A sealing mechanism is configured to seal the first housing portion to the second housing portion;. A differential pressure source is arranged to create a pressure differential between an external pressure on an exterior of the battery casing and an internal pressure on an interior of the storage battery casing. A pressure sensor measures at least one of the external and internal pressures and monitors for pressure changes indicative of a leak in the battery casing.