Battery Heat Exchange Plate Layout for Uniform Edge-to-Center Cooling
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Solution Overview
Problem
Existing battery cooling systems, such as those using harmonica tubes, face challenges in efficiently managing temperature across the entire battery, leading to excessive high or low temperatures at the battery's edges, which reduces stability and service life.
Innovation Solution
A heat exchange plate with a heat exchange region and a battery region, featuring a flow channel system that includes first-type and second-type flow channels. The first-type flow channels are located in the heat exchange region, while the second-type flow channels are distributed in the battery region, ensuring balanced heat exchange across the battery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a harmonica tube is used for heat exchange, then the structure is simple and easy to manufacture, but the heat exchange area is limited and edge temperature control is poor
Solution Approach 1:
The heat exchange plate is segmented into multiple flow channels (first-type and second-type) with different functions. The first-type flow channels are arranged in the heat exchange region around the battery, while the second-type flow channels are distributed in the battery region, creating a segmented heat exchange system that addresses both edge and center temperature control.
Solution Approach 2:
Different regions of the heat exchange plate are given different local qualities through the flow channel arrangement. The heat exchange region has first-type flow channels optimized for peripheral heat exchange, while the battery region has second-type flow channels for central heat exchange, ensuring each region has the appropriate heat exchange characteristics for its specific thermal requirements.
2Device complexity
If a harmonica tube is used for heat exchange, then the device complexity is low, but the heat exchange efficiency is insufficient for the entire battery
Solution Approach 1:
The invention transitions from a single-dimensional harmonica tube structure to a two-dimensional plate structure with multiple flow channels. The heat exchange plate provides a larger surface area and multiple pathways for heat exchange, enabling simultaneous heat exchange at multiple locations (edge and center) across the battery surface.
Solution Approach 2:
The heat exchange plate serves multiple functions through its dual flow channel system. It simultaneously performs heat exchange at the battery edges (via first-type channels) and at the battery center (via second-type channels), making it a multi-functional heat exchange device that addresses the entire battery thermal management needs.
3Temperature
If heat exchange is focused on the middle of the battery, then the central temperature control is improved, but the edge temperature becomes excessively high or low
Solution Approach 1:
The flow channel system is segmented into two distinct types: first-type channels in the heat exchange region for edge temperature control and second-type channels in the battery region for central temperature control. This segmentation ensures that both edge and center temperatures are independently managed, preventing extreme temperature differences that would compromise battery reliability.
Solution Approach 2:
The invention applies local quality by providing different heat exchange characteristics to different battery regions. The first-type flow channels provide enhanced heat exchange capacity at the edges, while the second-type channels maintain appropriate heat exchange at the center, ensuring uniform temperature distribution across the entire battery and improving overall stability.
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 proposed solution effectively balances temperature distribution across the battery, improving stability and extending the service life by ensuring efficient heat exchange both around and within the battery.
Implementation Method 1
a flow channel, the flow channel being arranged in the heat exchange plate, the flow channel being configured to allow a heat exchange working medium to flow therein
Data Source
AI summary
A heat exchange plate comprises a heat exchange area and a battery area, the heat exchange area being arranged around the battery area; and a flow channel, wherein the flow channel is arranged in the heat exchange plate, and is configured to allow a heat exchange working medium to flow therein, a first flow channel is located in the heat exchange area, and second flow channels are distributed in the battery area.