Battery Sealing Assembly for Leak-Tight Vehicle Passenger Compartments
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Solution Overview
Problem
Existing vehicles face unreliable sealing between the vehicle body and the battery, leading to potential liquid seepage into the passenger compartment.
Innovation Solution
A sealing assembly is introduced, comprising a sealing plate and a sealing component, fixed to the battery with a mounting plane, and a heat exchange plate, to prevent gaps and ensure hermetic sealing, using solder or glue for connection, and a sealing member to cover the gaps between the vehicle body and battery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sealing is performed directly between the vehicle body and battery, then the structure is simple, but the sealing reliability is poor and liquid seepage occurs
Solution Approach 1:
The patent introduces a sealing assembly as an intermediary component between the vehicle body and battery. This sealing assembly includes a sealing plate fixed to the battery and a sealing component mounted on the sealing plate, creating an intermediate sealing layer that prevents direct contact between the vehicle body and battery while ensuring reliable liquid-tight sealing.
Solution Approach 2:
The sealing assembly is divided into multiple functional segments: a sealing plate that attaches to the battery and a separate sealing component that mounts on the sealing plate. This segmentation allows each component to perform its specific function optimally while maintaining overall sealing reliability without requiring a single complex sealing structure.
2Reliability
If a sealing assembly with mounting plane is introduced, then sealing reliability improves, but the number of components increases
Solution Approach 1:
The sealing plate and sealing component are merged into a single integrated sealing assembly that functions as one cohesive unit. The sealing plate provides the mounting base while the sealing component provides the actual sealing function, and their combination achieves reliable sealing without requiring multiple separate components scattered throughout the structure.
3Manufacturing precision
If the sealing plate is fixed and hermetically connected with the battery, then gaps are prevented, but the manufacturing process becomes more complex
Solution Approach 1:
The sealing plate is pre-fixed and hermetically connected to the battery during the assembly process before the sealing component is mounted. This preliminary action ensures that the sealing plate-battery interface is already sealed and gap-free, allowing subsequent assembly steps to focus on mounting the sealing component without worrying about creating gaps at the battery interface.
Data Source
AI summary
A vehicle includes a vehicle body, a battery, and a sealing assembly. The sealing assembly is disposed between the vehicle body and the battery. The sealing assembly includes a sealing plate and a sealing component. The sealing plate is fixed and connected to the battery, and the surface of the sealing plate away from the battery has a mounting plane. The sealing component is disposed on the mounting plane and disposed between the vehicle body and the sealing plate. The vehicle body and the battery define a passenger compartment, or the vehicle body and the sealing assembly define a passenger compartment.