Vacuum Battery Cell Cooling Groups for Uniform Charge-Discharge Temperature
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Solution Overview
Problem
Existing heat vacuum charge-discharge apparatuses struggle to maintain uniform temperatures across battery cells during the charge-discharge process due to temperature differences caused by preheating and individual reaction heat.
Innovation Solution
A heat vacuum charge-discharge apparatus with a cooling structure that includes multiple coolers grouped into cooling areas, and a cooling controller that adjusts the cooling performance for each cooling area based on detected temperatures, ensuring uniform temperature maintenance across battery cells.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single cooling system is used for all battery cells, then the device complexity is reduced, but the temperature uniformity across battery cells deteriorates due to individual temperature differences from preheating and reaction heat
Solution Approach 1:
The cooling system is divided into multiple independent cooling groups, each responsible for specific cooling areas. The cooling controller independently controls each cooling group based on temperature detection, allowing differentiated cooling for different battery cell regions while maintaining overall system manageability
Solution Approach 2:
Different cooling groups are assigned to different cooling areas based on local temperature requirements. The system applies localized cooling control to specific regions with higher temperatures while reducing cooling intensity in cooler areas, achieving temperature uniformity through spatially differentiated cooling strategies
2Ease of operation
If cooling is applied uniformly to all battery cells, then the ease of operation is improved, but the temperature control precision deteriorates due to varying initial temperatures and reaction heat across different cells
Solution Approach 1:
The cooling controller dynamically adjusts the operation of each cooling group based on real-time temperature detection. The system transitions from static uniform cooling to dynamic adaptive cooling, where cooling intensity is continuously optimized according to changing temperature conditions in different areas
Solution Approach 2:
Temperature detection units continuously monitor battery cell temperatures and provide feedback to the cooling controller. The controller uses this feedback information to adjust cooling group operations, creating a closed-loop control system that automatically maintains temperature precision without manual intervention
3Temperature
If multiple cooling groups with individual control are implemented, then the temperature uniformity is improved, but the device complexity increases due to multiple coolers and control mechanisms
Solution Approach 1:
Multiple cooling groups share common structural components and control logic. The cooling groups use similar cooler structures and are controlled by a single cooling controller that applies the same control algorithm to different areas, reducing overall system complexity through component standardization and unified control architecture
4Manufacturing precision
If real-time temperature detection and dynamic cooling adjustment are implemented, then the temperature control precision is improved, but the energy consumption increases due to continuous monitoring and adaptive cooling operations
Solution Approach 1:
The temperature detection and cooling adjustment operate in periodic cycles rather than continuously. The system detects temperatures at regular intervals and adjusts cooling groups accordingly, reducing energy consumption while maintaining adequate temperature control precision through periodic monitoring and control updates
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 apparatus effectively maintains uniform or substantially uniform temperatures across battery cells during the charge-discharge process, even with significant initial temperature differences, by dynamically adjusting cooling performance based on real-time temperature data.
Implementation Method 1
a cooling structure connected to the chamber, and including a plurality of coolers that are grouped into a plurality of cooling groups according to cooling areas
Implementation Method 2
a ceiling cooler located on an intermediate portion of a ceiling of the chamber to cool an intermediate portion of the battery cells located below the ceiling cooler
Data Source
AI summary
A heat vacuum charge-discharge apparatus includes: a chamber; a charge-discharge structure to perform a charge-discharge process to a plurality of battery cells that are preheated and positioned within the chamber; a cooling structure connected to the chamber, and including a plurality of coolers that are grouped into a plurality of cooling groups according to cooling areas; and a cooling controller to control each of the cooling groups to perform a cooling operation for the battery cells according to the cooling areas in the charge-discharge process.