Battery Cooling Plate Tube Layout for Compact EV Module Packaging
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Solution Overview
Problem
Existing battery cooling systems in electric vehicles face challenges with increased volume due to the use of quick connectors and vertical short tubes, which result in larger distances between the liquid cooling plate and the vehicle cooling system, leading to inefficient heat dissipation and potential safety hazards.
Innovation Solution
The design eliminates the need for quick connectors by directly fixing the connecting elbow to the first connecting flange, reducing the vertical space occupied by the connecting tube and minimizing the distance between the connecting tube and the liquid cooling plate, thereby optimizing the battery package volume.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a quick connector and vertical short tube are used to connect the liquid cooling plate to the vehicle cooling system, then the connection is easier to assemble and disassemble, but the distance between the liquid cooling plate and the cooling system increases, leading to increased battery package volume
Solution Approach 1:
The patent removes the quick connector and vertical short tube from the connection structure. Instead of using a separate quick connector component, the connecting tube is directly integrated with the liquid cooling plate through a flange connection, eliminating unnecessary components that increase volume.
Solution Approach 2:
The patent combines the connecting tube and the liquid cooling plate into a more integrated structure by directly fixing the connecting tube to the flange on the liquid cooling plate. This merging reduces the number of separate components and minimizes the overall connection distance, thereby reducing battery package volume.
2Ease of operation
If the distance between the liquid cooling plate and the vehicle cooling system is increased due to quick connector height, then assembly is simplified, but heat dissipation efficiency decreases
Solution Approach 1:
The patent removes the quick connector that creates excessive distance between the cooling components. By eliminating this component, the connecting tube can be positioned closer to the liquid cooling plate, reducing the thermal path length and improving heat dissipation efficiency.
Solution Approach 2:
The patent changes the geometric parameters of the connection structure by reducing the vertical distance between the liquid cooling plate and the vehicle cooling system. This is achieved by eliminating the quick connector and using a direct flange-mounted connecting tube, which shortens the thermal path and improves heat transfer efficiency.
3Adaptability or versatility
If a vertical short tube is provided on the first connecting flange to accommodate the quick connector, then connection flexibility is improved, but the space occupied by the connecting tube increases
Solution Approach 1:
The patent removes the vertical short tube from the connecting tube structure. By eliminating this unnecessary extension, the connecting tube occupies less space while still achieving proper connection to the vehicle cooling system through the flange-mounted design.
Solution Approach 2:
The patent merges the function of the vertical short tube and connecting tube into a single, more compact connecting tube design. The connecting tube is directly mounted to the flange without requiring a separate vertical extension, reducing the overall volume while maintaining connection functionality.
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 configuration enhances heat dissipation efficiency, reduces the battery package volume, and improves structural strength and sealing performance, while facilitating easier assembly and maintenance.
Implementation Method 1
the coolant exchanges heat inside the liquid cooling plate, thereby reducing the temperature of the battery
Implementation Method 2
the coolant exchanges heat inside the liquid cooling plate
Data Source
AI summary
The present application provides a battery module and a vehicle. The battery module includes: a battery body, a liquid cooling plate, and connecting tubes. The battery body and the liquid cooling plate are stacked, and the liquid cooling plate includes fluid inlet and outlet ports. Each connecting tube corresponds to a respective one of the fluid inlet and outlet ports, and each connecting tube includes: a connecting tube body, a connecting elbow, and a first connecting flange. In each connecting tube, a first end of the connecting tube body is fixedly connected to the liquid cooling plate at a corresponding one of the fluid inlet and outlet ports, a second end of the connecting tube body is connected to one end of the connecting elbow, and an end of the connecting elbow facing away from the connecting tube body is directly fixed to the first connecting flange.