EV Charging Inlet Temperature Sensing for Terminal Protection
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Solution Overview
Problem
Existing vehicle charging systems do not effectively monitor the temperature of charging terminals, which can lead to damage due to increased terminal temperatures during charging.
Innovation Solution
A charging inlet assembly for electric vehicles that includes a temperature sensor integrated into the charging inlet housing, allowing for real-time monitoring of the temperature of charging terminals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If temperature monitoring is not implemented in charging terminals, then the charging system remains simple and cost-effective, but the charging components are vulnerable to damage from temperature increase
Solution Approach 1:
The temperature sensor is nested within the charging inlet housing, with the sensor element positioned inside a sensor bore that leads to proximity with the charging terminals. This nested configuration allows the sensor to monitor terminal temperature without adding external components, resolving the contradiction between reliability improvement and device complexity.
Solution Approach 2:
The patent introduces a temperature sensor as an intermediary element between the charging terminals and the charging control system. The sensor acts as a mediator that detects temperature conditions and provides information to control charging operations, thereby protecting components from thermal damage without requiring direct modification of the terminals themselves.
2Measurement precision
If temperature sensors are integrated into the charging inlet housing, then real-time temperature monitoring is enabled, but the manufacturing and assembly complexity increases
Solution Approach 1:
The temperature sensor is pre-positioned within the charging inlet housing during manufacturing, with the sensor element placed in the sensor bore before final assembly. This preliminary positioning ensures accurate temperature measurement capability is built into the structure, while allowing standardized manufacturing processes to be used, thus balancing measurement precision with ease of manufacture.
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 integration of temperature sensors in the charging inlet assembly enables effective temperature monitoring, preventing damage to charging components by allowing for controlled charging operations based on temperature readings.
Implementation Method 1
a temperature sensor plugged into the charging inlet housing at the rear for monitoring temperature of at least one of the charging terminals
Data Source
AI summary
A charging inlet assembly for an electric vehicle includes a charging inlet housing, charging terminals held in the charging inlet housing, and a temperature sensor plugged into the charging inlet housing for monitoring temperature of at least one of the charging terminals.