Battery Cooling Circuit Layout With One Chiller for Multiple Containers
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Solution Overview
Problem
Existing temperature control systems for track-guided vehicles require multiple chillers to manage cooling for multiple battery containers, leading to increased costs and space requirements due to limited cooling fluid flow rates.
Innovation Solution
A unified refrigeration circuit with a single temperature control unit and heat management system that allows for adjustable cooling fluid flow and temperature, utilizing a common cooling circuit with multiple heat exchangers to manage cooling for multiple battery containers efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single chiller is used to cool multiple battery containers, then cost and space requirements are reduced, but the cooling fluid flow rate becomes insufficient to meet the cooling demands of all battery containers
Solution Approach 1:
The cooling system is segmented into multiple independent cooling circuit lines, each serving a specific battery container. The single chiller divides the cooling fluid flow through separate circuit lines (first cooling circuit line 110 and second cooling circuit line 120) to distribute cooling capacity across multiple battery containers, allowing each container to receive adequate flow rate while using one chiller unit.
Solution Approach 2:
A flow splitting device acts as an intermediary component that divides the cooling fluid flow from the single chiller into multiple streams. This intermediary device enables the cooling fluid to be distributed to multiple battery containers simultaneously, resolving the conflict between limited flow rate capacity and multiple cooling demands.
2Quantity of substance
If multiple separate chillers are installed for each battery container, then sufficient cooling capacity is provided to each container, but costs and space requirements increase significantly
Solution Approach 1:
Multiple cooling circuit lines are merged into a single integrated cooling system that shares one chiller unit. The first cooling circuit line 110 and second cooling circuit line 120 are combined in a common cooling system with a single temperature control unit, eliminating the need for multiple separate chillers while maintaining adequate cooling capacity for all battery containers through proper flow distribution.
Solution Approach 2:
The single chiller is designed with multi-functionality to serve multiple battery containers simultaneously. The temperature control unit is configured to control temperature across multiple cooling circuit lines, making one chiller perform the function of multiple chillers would have performed individually.
3Device complexity
If a common cooling circuit is used with a single temperature control unit, then cost and space are reduced, but the ability to independently control temperature for each battery container is limited
Solution Approach 1:
The cooling circuit is segmented into multiple independent cooling circuit lines (first cooling circuit line 110, second cooling circuit line 120) that can be controlled independently. Each cooling circuit line serves a specific battery container, allowing the temperature control unit to regulate temperature separately for each line while using a single control unit, thus maintaining adaptability without requiring multiple control units.
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 solution reduces costs and space requirements by using a single temperature control unit, optimizing cooling efficiency and distributing weight across multiple car bodies, while maintaining effective temperature management for each battery container.
Implementation Method 1
a first heat exchanger (210) connected to the first cooling circuit line (110.1, 110.2), a second heat exchanger (220) connected to the second cooling circuit line (120.1, 120.2)
Implementation Method 2
a temperature control unit (230) designed to control the temperature of the cooling fluid
Data Source
Figure 1~2
AI summary
Temperature control system 100, in particular for a rail-guided vehicle 1, with a refrigeration circuit 10 comprising a first cooling circuit line 110 and a second cooling circuit line 120, which are designed to transport a cooling fluid F, a first heat exchanger 210 connected to the first cooling circuit line 110.1, 110.2, a second heat exchanger 220 connected to the second cooling circuit line 120.1, 120.2, a temperature control unit 230 designed to control the temperature of the cooling fluid M, wherein the first cooling circuit line 110.1, 110.2 and the second cooling circuit line 120.1, 120.2 are fluidically connected to the temperature control unit 230 designed to control the temperature of the cooling fluid F.