High-Voltage Battery Mounting Structure With Shielded Underfloor Fastening
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Solution Overview
Problem
High-voltage batteries in electric vehicles require secure mounting to prevent damage and fracture, especially under impact, while maintaining sufficient energy storage capacity and durability.
Innovation Solution
A high-voltage battery-mounting structure featuring a mid-plate, fastening member, mounting pipe, mounting support, and shield plate configuration that securely fastens the battery to the vehicle body, with a cooling panel and adhesive application to enhance stability and protection against impacts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the high-voltage battery is mounted under the vehicle floor to maximize energy storage capacity, then the energy storage capacity is improved, but the battery becomes vulnerable to impact damage from the bottom side
Solution Approach 1:
The patent applies beforehand cushioning by providing a protective structure including a shield plate and mounting support that preemptively protects the battery mounting location from impact damage. The shield plate is positioned at the bottom of the mounting structure to absorb and distribute impact forces before they reach the battery, while the mounting support provides rigid structural reinforcement to prevent fracture of mounting components.
2Reliability
If the mounting structure is reinforced to protect against impact, then the safety and durability are improved, but the device complexity increases
Solution Approach 1:
The patent merges multiple functions into integrated components. The mounting support simultaneously serves as both a structural reinforcement element and a mounting interface for the shield plate. The shield plate itself is designed with an integrated shape that provides both structural protection and acts as a mounting surface for additional protective components, thereby reducing overall system complexity while maintaining high reliability.
Data Source
AI summary
The present disclosure includes: a mid-plate configured to support a bottom side of a battery module from a bottom side of a vehicle body; a fastening member fastened through a space in which the mid-plate and the battery module are mounted and configured to fix the mid-plate to the vehicle body; a mounting pipe provided at a top side of the mid-plate and configured to support a pressure applied to the vehicle body from a bottom side of the mid-plate, wherein the fastening member passes through the mounting pipe; a mounting support configured to fix the mounting pipe to the mid-plate, wherein the fastening member passes through the mounting support; and a shield plate coupled to the bottom side of the mid-plate and configured to surround a bottom-side coupling portion of the mounting support while allowing the fastening member to pass therethrough.