EV Battery Housing Air Cooling with Dual Evaporators and Blowers
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Solution Overview
Problem
Conventional cooling systems for electric vehicles are inadequate for effectively cooling various components beyond the engine and operator, as they rely primarily on liquid cooling for engines and air cooling for operators, failing to address the cooling needs of additional electric vehicle components.
Innovation Solution
The implementation of an air cooling system within electric vehicles, comprising a compressor, condenser, evaporator coils, and blowers, which directs cooled air through dedicated housing structures to efficiently cool battery modules and electrical components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional liquid cooling is used for engine components, then engine cooling effectiveness is improved, but cooling capability for additional electric vehicle components (battery modules, electrical components) is insufficient
Solution Approach 1:
The air cooling system is designed to cool multiple different components (battery modules, electrical components, and potentially other thermal management needs) using a single integrated system with multiple evaporator coils and blowers, making the cooling system versatile and adaptable to various cooling requirements throughout the electric vehicle
2Temperature
If conventional air cooling is used for operators, then operator comfort is improved, but cooling capability for vehicle components is insufficient
Solution Approach 1:
The air cooling system is divided into multiple independent zones with separate evaporator coils and blowers for different component areas (first battery housing, second battery housing, electrical components), allowing each segment to be independently controlled and optimized for its specific cooling requirements
3Adaptability or versatility
If a comprehensive cooling system for all components is implemented, then cooling coverage is improved, but system complexity increases
Solution Approach 1:
Multiple cooling functions for different components are merged into a single integrated air cooling system that uses one compressor, one condenser, and multiple evaporator coils working together, reducing the need for separate cooling systems for each component while maintaining comprehensive cooling coverage
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
This air cooling system effectively cools the battery modules and electrical components, enhancing the operational efficiency and longevity of electric vehicle systems by managing temperature effectively.
Implementation Method 1
a first evaporator coil that includes a first side at which warm air is received and a second side at which cool air exits after having passed through the first evaporator coil
Implementation Method 2
a first blower to direct a first portion of the cool air from the second side of the first evaporator coil into the first battery housing
Data Source
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AI summary
A vehicle (10) includes a first battery housing (60) to house a plurality of first battery modules (61), a second battery housing (70) to house a plurality of second battery modules (71), an electrical power system including the plurality of first battery modules, the plurality of second battery modules, and one or more electrical components, and an air cooling system to cool the plurality of first battery modules and the plurality of second battery modules. The air cooling system comprising first and second evaporator coils (3551R, 3551L) with cool air exiting the evaporator coils' second end, with a respective first portion of the cool air being directed by first and second blowers (361l, 361R) into the first battery housing (60), and a third blower (360) configured to direct a second portion of the cool air from the second side of the first evaporator coil (3551L) and a second portion of the cool air from the second side of the second evaporator coil (3551R) into the second battery housing (70).