Battery Heat Exchange Module with Dual Trunks for Zoned Thermal Control
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Solution Overview
Problem
Existing heat management systems for vehicles have undiversified functions, leading to inefficient heat exchange with battery modules, resulting in high energy loss and low operating efficiency.
Innovation Solution
A heat management system with a battery heat exchange module featuring two trunks that can exchange heat with different areas of the battery at varying efficiencies or in different modes, controlled by a controller based on battery temperature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single heat exchange module is used for the battery, then the device complexity is reduced, but the heat exchange efficiency and adaptability to different battery temperature requirements deteriorate
Solution Approach 1:
The battery heat exchange module is divided into multiple independent heat exchange units (first heat exchange unit, second heat exchange unit, third heat exchange unit), each capable of independently exchanging heat with different battery modules. This segmentation allows the system to adapt to different heat exchange requirements of various battery areas without increasing overall system complexity, as each unit can be controlled independently based on real-time battery temperature conditions.
Solution Approach 2:
Different heat exchange units are configured to exchange heat with different battery modules that have different temperature characteristics. The controller selectively activates specific heat exchange units based on the temperature requirements of specific battery areas, providing localized heat exchange solutions rather than uniform treatment across the entire battery system.
2Device complexity
If a single heat exchange mode is used for the battery, then the control system is simplified, but the operating efficiency and energy consumption deteriorate
Solution Approach 1:
The heat management system dynamically adjusts the operating mode of heat exchange units based on real-time battery temperature conditions. The controller can switch between different heat exchange modes (heating, cooling, or idle states) for different heat exchange units simultaneously, optimizing energy consumption and operating efficiency without requiring a complex control system, as the control logic follows predefined temperature-based decision rules.
Solution Approach 2:
The system changes operational parameters (heat exchange rate, fluid flow rate, temperature setpoints) of different heat exchange units based on battery temperature conditions. By adjusting these parameters dynamically, the system achieves high operating efficiency and optimized energy consumption without needing complex control mechanisms, as parameter adjustments are based on straightforward temperature threshold comparisons.
3Ease of manufacture
If uniform heat exchange is applied to the entire battery, then the system is simpler to manufacture, but the energy loss increases and operating efficiency decreases
Solution Approach 1:
The battery system is divided into multiple battery modules, each with its own heat exchange unit. This segmentation enables independent heat exchange control for each module, preventing energy loss that would occur with uniform heat exchange applied to the entire battery. Each heat exchange unit can be optimized for its specific module's thermal characteristics, improving overall energy efficiency without significantly complicating manufacturing, as each modular unit can be assembled independently.
Solution Approach 2:
Each battery module receives customized heat exchange treatment based on its specific thermal conditions and requirements rather than uniform treatment. This local quality approach reduces energy loss by avoiding overheating or overcooling of any particular module, thereby improving operating efficiency. The modular design maintains ease of manufacture by allowing each locally-optimized unit to be assembled and tested independently before integration into the complete battery system.
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 approach reduces energy consumption and improves the operating efficiency of the heat management system by allowing for proper and efficient heat exchange with the battery.
Implementation Method 1
The first trunk is configured to exchange heat with a first area of a battery, the second trunk is configured to exchange heat with a second area of the battery
Implementation Method 2
The first trunk and the second trunk are in parallel connection, the first trunk and the second trunk are both connected to a heat exchange medium circulation system
Data Source
AI summary
A thermal management system comprises: a battery heat exchange module. The battery heat exchange module comprises: a first trunk and a second trunk, wherein the first trunk is configured to exchange heat with a first region of a battery, the second trunk is configured to exchange heat with a second region of the battery, the first region is different from the second region, and at least one of the first trunk and the second trunk exchanges heat with the battery.