Battery Module Holder with Integrated Temperature Sensor
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Solution Overview
Problem
Existing battery modules lack accurate temperature measurement methods, particularly for secondary batteries, which are crucial for maintaining battery stability and extending their usable period through proper temperature management.
Innovation Solution
A battery module design that includes a temperature measuring unit integrated into a holder between battery cells, allowing for precise temperature measurement of the long sides of the cells, which is essential for preventing overheating and ensuring efficient cooling and water drainage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a temperature measuring unit is integrated into the holder between battery cells, then temperature measurement accuracy is improved, but device complexity increases
Solution Approach 1:
The temperature measuring unit is integrated into the holder structure, combining the holding function and temperature measurement function into a single component. This merging approach improves temperature measurement accuracy while minimizing the increase in overall device complexity by utilizing existing structural space.
Solution Approach 2:
The holder acts as an intermediary structure that facilitates temperature measurement by providing a mounting position and thermal contact path between the temperature sensor and the battery cells. This intermediary role enables accurate temperature monitoring without requiring separate complex measurement systems.
2Measurement precision
If the temperature measuring unit contacts the long side of battery cells, then temperature measurement accuracy is improved, but manufacturing precision requirements increase
Solution Approach 1:
The holder structure is segmented with specific receiving grooves and positioning features that divide the temperature measurement function into discrete, manageable sections. This segmentation allows for standardized manufacturing of temperature contact points on the battery cell long sides, reducing overall manufacturing precision requirements while maintaining measurement accuracy.
Solution Approach 2:
The holder provides localized thermal contact at specific positions on the battery cell long sides through dedicated contact surfaces and receiving grooves. This local quality approach concentrates the precision requirements to specific localized areas rather than requiring uniform high precision across the entire battery cell surface.
3Temperature
If the holder includes cooling openings and exhaust openings, then temperature management effectiveness is improved, but device complexity increases
Solution Approach 1:
The holder is designed as a multi-functional component that simultaneously provides mechanical support, temperature measurement, and thermal management functions through integrated cooling openings and exhaust openings. This universality approach improves temperature management effectiveness while minimizing device complexity by combining multiple functions into a single structure.
Solution Approach 2:
The cooling and exhaust functions are merged into the holder structure, combining thermal management capabilities with the mechanical support function. This integration improves temperature management effectiveness without proportionally increasing device complexity, as the openings are incorporated into the existing holder geometry.
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 design enables accurate temperature monitoring and management of battery cells, enhancing their stability and extending their lifespan by preventing overheating and ensuring effective cooling and water drainage.
Implementation Method 1
the temperature measuring unit contacting one of the first sides of at least one of the first and second battery cells
Implementation Method 2
a cooling opening at the short side thereof and configured to allow air to enter between the first battery cell and the long side of the holder to cool the first battery cell
Implementation Method 3
an exhaust opening at the short side thereof and configured to allow condensed water accumulated on the first battery cell to drain from the holder
Data Source
AI summary
A battery module includes: a first battery cell; a second battery cell, each of the first and second battery cells having first sides and second sides, the first sides being larger than the second sides; a holder between the first battery cell and the second battery cell; and a temperature measuring unit coupled to the holder, the temperature measuring unit contacting one of the first sides of at least one of the first and second battery cells, and being configured to measure a temperature of the at least one of the first and second battery cells.