Vehicle Front Layout for High-Voltage Connector Collision Clearance
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Solution Overview
Problem
In vehicle front-end collision scenarios, high-strength air-conditioner blowers may come into contact with high-voltage equipment due to load displacement, compromising electrical insulation protection.
Innovation Solution
A vehicle front arrangement structure where the high-voltage connector part is positioned vertically and horizontally offset relative to the blower motor, with the high-voltage junction box inclined and positioned to avoid contact with the blower motor during a collision, ensuring that the high-voltage equipment contacts the insulating resin casing instead.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the blower motor is arranged in close proximity to high-voltage equipment to save space, then the device complexity is reduced, but the electrical insulation protection deteriorates due to potential contact during collision
Solution Approach 1:
The patent applies dimensional displacement by arranging the high-voltage connector part offset from the blower motor in both vertical and horizontal directions. This spatial separation in multiple dimensions ensures that even during collision when the blower motor moves, the connector part remains displaced and avoids contact, maintaining electrical insulation while preserving compact overall arrangement.
2Volume of stationary object
If the high-voltage connector part is positioned close to the blower motor to reduce assembly space, then the volume of stationary object is reduced, but the reliability deteriorates due to collision risk
Solution Approach 1:
The connector part is positioned with offset in both vertical and horizontal dimensions relative to the blower motor. This multi-dimensional displacement creates sufficient clearance space that prevents contact during collision while maintaining compact overall assembly volume.
Solution Approach 2:
The patent introduces the concept of displacement offset as an intermediary spatial parameter between the blower motor and high-voltage connector part. This offset acts as a buffer zone that prevents direct contact during collision, serving as a protective mediator that maintains both compactness and reliability.
Data Source
AI summary
A vehicle front arrangement structure includes high-voltage equipment, air conditioning equipment that includes an air-conditioner blower, and a high-voltage connector part. The high-voltage equipment and air conditioning equipment are arranged in front of a vehicle. The high-voltage connector part is provided at a vehicle rearward end portion of the high-voltage equipment to connect a high-voltage wire harness. The high-voltage connector part is arranged so as to be displaced in at least one of a vertical direction and a horizontal direction as viewed from the front of the vehicle.