Adjustable Airflow Guide Cover for EV Heat Exchange Balancing
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Solution Overview
Problem
Electric vehicles face challenges in efficiently regulating the operating temperature of their Electric and Intelligent Control (EIC) systems, leading to increased energy consumption and reduced cruising mileage.
Innovation Solution
A heat exchange control device for electric vehicles, comprising an airflow guide cover with an air inlet, air outlet, and airflow channel, and an airflow adjusting member with guide vanes that can rotate and swing to adjust air intake flow rate and direction, effectively regulating the heat dissipation ratio of the water tank to the condenser.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If cooling and heating mechanisms are added to regulate the operating temperature of the EIC system, then the temperature control effect is improved, but the energy consumption increases and cruising mileage is reduced
Solution Approach 1:
The patent combines the cooling and heating functions into a single heat exchange control device that uses one airflow channel to serve both the water tank (cooling) and condenser (heating). By merging these functions and using waste heat from the motor for cabin heating, the system reduces energy consumption while maintaining temperature control.
Solution Approach 2:
The patent employs an adjustable air inlet with guide vanes that can dynamically change the airflow direction and distribution ratio between the water tank and condenser. This dynamic adjustment allows the system to optimize heat exchange based on real-time temperature requirements, improving efficiency and reducing energy waste.
2Temperature
If a heat pump system is added to adjust the cabin temperature, then the temperature regulation capability is improved, but the energy consumption increases
Solution Approach 1:
The patent converts the waste heat generated by the motor into a useful resource for cabin heating. By directing airflow through the condenser that recovers waste heat, the system provides heating functionality without requiring additional energy input, effectively turning a harmful byproduct into a beneficial resource.
3Device complexity
If the airflow channel is designed to serve both water tank and condenser, then the device complexity is reduced, but the heat exchange efficiency may be compromised
Solution Approach 1:
The patent uses an adjustable air inlet with guide vanes that can dynamically control the airflow distribution between the water tank and condenser. This dynamic adjustment mechanism allows the single airflow channel to efficiently serve both components by optimizing the heat exchange ratio based on real-time temperature requirements, maintaining high heat exchange efficiency while reducing structural complexity.
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 solution allows for effective adjustment of the heat dissipation ratio to meet the cooling and heating requirements of the EIC system and cabin air conditioner, reducing energy consumption and improving vehicle performance.
Implementation Method 1
The airflow adjusting member is configured to adjust an air intake flow rate and an airflow direction of an airflow passing through the air inlet
Implementation Method 2
A water tank and a condenser are disposed in the airflow channel and adjacent to the air outlet
Data Source
AI summary
A heat exchange control device for an electric vehicle and a control method thereof are provided. The heat exchange control device includes an airflow guide cover and an airflow adjusting member. The airflow guide cover includes an air inlet, an air outlet, and an airflow channel between the air inlet and the air outlet. The air inlet is communicatively connected with an air intake at a front portion of a vehicle body. A water tank and a condenser are disposed in the airflow channel and adjacent to the air outlet. The airflow adjusting member is disposed inside the air inlet of the airflow guide cover. The airflow adjusting member is configured to adjust an air intake flow rate and an airflow direction of an airflow passing through the air inlet.