Reversible-Flow Heat Exchange Plate for Uniform Battery Temperature
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Solution Overview
Problem
Existing battery cooling systems, such as those using harmonica tubes, often lead to uneven temperature distribution across the battery, causing some parts to become excessively hot or cold, which reduces battery stability and lifespan.
Innovation Solution
A heat exchange plate with a flow channel connecting two terminals, allowing a working medium to flow in opposite directions depending on whether the battery needs to be cooled or heated, ensuring efficient heat exchange across the battery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a fixed water flow direction is used in the harmonica tube, then the structure is simple, but the temperature distribution becomes uneven
Solution Approach 1:
The patent applies the dynamics principle by making the water flow direction adjustable rather than fixed. The flow direction switching mechanism allows the system to dynamically change the water flow path between different directions, enabling flexible adaptation to different thermal conditions and achieving more uniform temperature distribution across the battery while maintaining reasonable structural complexity.
2Ease of operation
If a fixed water flow direction is used in the harmonica tube, then the device is simple to operate, but the battery stability decreases
Solution Approach 1:
The flow direction switching mechanism enables dynamic adaptation to different thermal conditions, improving battery stability by preventing excessive temperatures in specific areas. The system maintains ease of operation through automated or controlled switching, eliminating the need for manual intervention while enhancing reliability.
3Device complexity
If a fixed water flow direction is used in the harmonica tube, then the device complexity is low, but the service life is reduced
Solution Approach 1:
By implementing a flow direction switching mechanism, the system can adapt to different thermal conditions and prevent localized overheating or excessive cooling that would otherwise accelerate battery degradation. This dynamic adjustment extends battery service life while maintaining acceptable device complexity through integrated switching components.
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 heat exchange plate provides stable and efficient heat exchange performance for batteries, maintaining even temperature distribution and extending the battery's operational lifespan.
Implementation Method 1
the heat exchange plate is configured to exchange heat for the battery, and the flow channel is configured to allow a working medium to flow
Implementation Method 2
the heat exchange plate is configured to exchange heat for the battery
Implementation Method 3
When the heat exchange plate is configured to cool the battery, the working medium flows into the flow channel from the first terminal and flows out from the second terminal
Implementation Method 4
When the heat exchange plate is configured to heat the battery, the working medium flows into the flow channel from the second terminal and flows out from the first terminal
Data Source
AI summary
A heat exchange plate includes a first interface, a second interface, and a flow channel in communication with the first interface and the second interface. The heat exchange plate is configured to exchange heat for a battery, and the flow channel is configured to circle a working medium. When the heat exchange plate is used to cool the battery, the working medium flows into the flow channel from the first interface, and flows out from the second interface. When the heat exchange plate is used to heat the battery, the working medium flows into the flow channel from the second interface, and flows out from the first interface.