Battery Fixing Frame With Hydraulic Passages for EV Fluid Routing
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Solution Overview
Problem
In electric vehicles, the limited space in the lower vehicle body due to the battery module and mounting frame complicates the layout of pipes for operation fluids like brake oil, coolant, and refrigerant, leading to interference with other vehicle parts and increased costs and labor for separate pipe brackets.
Innovation Solution
A battery module mounting assembly with an integrated hydraulic passage in the battery fixing frame allows operation fluids to flow internally, minimizing pipe usage and interference, and stabilizes the battery module on the vehicle body, featuring adjustable passage diameters and positions to accommodate different fluids.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If separate pipes and brackets are used to route operation fluids in the lower vehicle body, then the fluid circulation function is achieved, but the layout becomes complicated and interferes with the battery module and other vehicle parts
Solution Approach 1:
The patent merges the function of routing operation fluids with the battery fixing frame structure. The hydraulic passage is integrated directly into the battery fixing frame, combining two separate functions (fluid routing and battery mounting) into a single integrated component, thereby simplifying the overall system layout and reducing interference with other vehicle parts
Solution Approach 2:
The battery fixing frame is designed to serve multiple functions: it fixes the battery module to the vehicle body and simultaneously provides hydraulic passages for operation fluid circulation. This multi-functional design eliminates the need for separate pipe brackets and simplifies the system configuration
2Ease of manufacture
If separate brackets are applied to fix pipes to the vehicle body, then the pipe fixation function is achieved, but the cost increases and working labor increases with reduced automation potential
Solution Approach 1:
The patent combines the pipe fixation function with the battery fixing frame. The hydraulic passages are formed as integral parts of the battery fixing frame through extrusion, eliminating the need for separate pipe fixation brackets and simplifying the manufacturing and assembly process
Solution Approach 2:
The patent changes the structural parameters of the battery fixing frame by incorporating hydraulic passages within its structure. This parameter modification allows the frame to serve dual purposes without requiring additional components, thereby reducing manufacturing complexity and improving assembly automation potential
3Reliability
If the battery module is mounted on the lower vehicle body, then the battery is securely positioned, but the available space for pipe routing becomes limited and layout becomes complicated
Solution Approach 1:
The patent merges the battery mounting function with the fluid routing function by integrating hydraulic passages into the battery fixing frame. This integration allows secure battery positioning while simultaneously providing dedicated pathways for operation fluids, effectively utilizing the limited space in the lower vehicle body
Solution Approach 2:
The patent utilizes the vertical dimension by forming hydraulic passages within the thickness of the battery fixing frame. This dimensional approach allows fluid routing without occupying additional horizontal space, thereby maintaining battery mounting stability while providing adequate space for fluid circulation
Data Source
AI summary
A battery module mounting assembly for a vehicle includes a battery module disposed in a lower portion of a vehicle body, and a battery fixing frame respectively mounted on left and right sides of the battery module in a width direction of the vehicle. The battery fixing frame can fix the battery module to a lower portion of the vehicle body, and at least one hydraulic passage having both ends open in a front-rear direction of the vehicle is formed in an interior of the battery fixing frame.