Battery Cooling Control Using Load-Based Early Activation
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Solution Overview
Problem
Battery systems face overheating issues due to a lag in temperature rise detection under heavy load conditions, leading to potential failure.
Innovation Solution
A system comprising a sensor to detect increases in loading on the battery system and a controller that generates a control signal to activate the cooling assembly based on the detected increase in loading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cooling system is activated based on temperature threshold detection, then the battery system is protected from overheating, but the response time is delayed due to temperature lag under heavy load conditions
Solution Approach 1:
The system performs preliminary action by detecting increased loading conditions before the temperature actually rises to dangerous levels. The controller activates the cooling assembly in advance based on the loading indicator signal, preventing the temperature lag problem where cooling would only start after temperature threshold is already exceeded.
2Loss of time
If the cooling assembly is activated promptly based on loading increase, then the response time is reduced, but the temperature threshold protection may be compromised if activation occurs too early
Solution Approach 1:
The system uses feedback by continuously monitoring both the loading conditions and temperature status. The controller receives signals from both the loading indicator and temperature sensor, adjusting cooling activation decisions based on real-time feedback from both parameters to balance early response with adequate temperature protection.
Data Source
AI summary
A system for controlling a cooling assembly of a battery system includes a sensor configured to indicate an increase in a loading on the battery system. The system also includes a controller communicably coupled with the sensor. The controller is configured to receive the indication of the increase in the loading on the battery system. The controller is also configured to generate a control signal to activate the cooling assembly to cool one or more components of the battery system based on the increase in the loading on the battery system.