Segmented Battery Heat Exchange Module for Uniform Cell Cooling

Solution Overview

Problem

Existing heat management systems for vehicles have a single function, leading to inefficient energy use and low working efficiency in managing battery temperatures.

Innovation Solution

A battery heat exchange module with two heat exchange assemblies, each targeting a specific area of the battery, allowing for targeted cooling and improved temperature uniformity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a single heat exchange assembly is used for the entire battery, then the device complexity is reduced, but the temperature uniformity across different battery areas deteriorates

Engineering Contradiction:

Improveheat exchange assembly configurationVSAvoidtemperature uniformity

Core Design Contradiction:

Device complexityVSTemperature

Solution Approach 1:

The battery heat exchange system is divided into multiple independent heat exchange assemblies, each responsible for a specific battery area. This segmentation allows targeted temperature control for different battery regions, improving overall temperature uniformity while maintaining manageable system complexity through modular design.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different heat exchange assemblies are configured with different structural characteristics suited to their specific battery area requirements. Each assembly can be optimized for local heat dissipation needs, enabling precise temperature control for specific battery regions rather than uniform treatment of the entire battery.

Inventive Principle:

Principle #3Local quality

2Device complexity

If a single heat exchange assembly serves the entire battery, then the device complexity is reduced, but the energy consumption increases due to inefficient targeted cooling

Engineering Contradiction:

Improveheat exchange assembly configurationVSAvoidenergy consumption

Core Design Contradiction:

Device complexityVSUse of energy by moving object

Solution Approach 1:

The battery heat exchange system is divided into multiple independent heat exchange assemblies, each responsible for a specific battery area. This segmentation allows targeted temperature control for different battery regions, improving overall temperature uniformity while maintaining manageable system complexity through modular design.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different heat exchange assemblies are configured with different structural characteristics suited to their specific battery area requirements. Each assembly can be optimized for local heat dissipation needs, enabling precise temperature control for specific battery regions rather than uniform treatment of the entire battery.

Inventive Principle:

Principle #3Local quality

3Device complexity

If a single heat exchange assembly is used, then the device complexity is reduced, but the working efficiency of the heat management system deteriorates

Engineering Contradiction:

Improveheat exchange assembly configurationVSAvoidworking efficiency

Core Design Contradiction:

Device complexityVSProductivity

Solution Approach 1:

The battery heat exchange system is divided into multiple independent heat exchange assemblies, each responsible for a specific battery area. This segmentation allows targeted temperature control for different battery regions, improving overall temperature uniformity while maintaining manageable system complexity through modular design.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different heat exchange assemblies are configured with different structural characteristics suited to their specific battery area requirements. Each assembly can be optimized for local heat dissipation needs, enabling precise temperature control for specific battery regions rather than uniform treatment of the entire battery.

Inventive Principle:

Principle #3Local quality

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 reduces energy consumption and improves the working stability and reliability of the battery heat exchange module, leading to better temperature uniformity across the battery.

Implementation Method 1

The first heat exchange assembly and the second heat exchange assembly are configured to exchange heat with a battery

Methodology Applied

Scientific EffectHeat exchange: Heat Exchanger

Implementation Method 2

A first end of the first heat exchange assembly is connected to the first interface and a second end of the first heat exchange assembly is connected to the second interface

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 3

The first heat exchange assembly and the second heat exchange assembly may respectively cool the first area and the second area in a targeted manner

Methodology Applied

Scientific EffectConvection: Convection

Data Source

PatentUS20250183409A1Battery heat exchange module, thermal management system, and vehicle

Publication Date: 2025.06.05 BYD CO LTD

AI summary

A battery heat exchange module includes: a first interface, a second interface, a first heat exchange assembly, and a second heat exchange assembly. The first heat exchange assembly and the second heat exchange assembly are used for exchanging heat with a battery. The first heat exchange assembly is arranged corresponding to a first area of the battery, the second heat exchange assembly is arranged corresponding to a second area of the battery, and the first area is different from the second area.