Vehicle Wireless Charging Unit Layout for Ground Clearance
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Solution Overview
Problem
Existing vehicle non-contact charging systems face a challenge in maintaining vehicle ground clearance while providing a road surface interference guard due to the design of the road surface interference guard being integrated with the non-contact charging unit, leading to a decrease in ground clearance.
Innovation Solution
A vehicle non-contact charging system with a road surface interference guard member and a non-contact charging unit that are separated and movable relative to each other, with the charging unit having an inclined portion rearward to the vehicle's longitudinal direction, ensuring the guard function without reducing ground clearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the road surface interference guard is integrated with the non-contact charging unit and positioned at the front, then the guard function is provided, but the vehicle ground clearance decreases
Solution Approach 1:
The patent divides the road surface interference guard into multiple segments: a fixed guard member mounted to the vehicle body, and a movable guard member that can move relative to the fixed guard member. This segmentation allows the guard to provide protection while accommodating vertical movement to maintain ground clearance.
Solution Approach 2:
The patent implements a dynamic guard structure where the movable guard member can move up and down relative to the fixed guard member. This dynamic capability allows the guard to adapt to varying ground conditions while maintaining the required ground clearance, resolving the contradiction between providing guard function and maintaining clearance.
2Object-affected harmful factors
If the road surface interference guard is made long in the vehicle front-rear direction, then the guard function is improved, but the device complexity increases
Solution Approach 1:
The guard is divided into a fixed portion and a movable portion, allowing the overall guard length to be extended for better protection while keeping the structure manageable through modular segmentation. Each segment can be independently designed and positioned.
Solution Approach 2:
By making part of the guard movable rather than fixed, the patent extends the effective guard length without proportionally increasing complexity. The movable section accommodates movement requirements, reducing the need for complex fixed structures throughout the entire length.
Data Source
AI summary
A vehicle non-contact charging system includes a road surface interference guard member provided in front of a vehicle on a bottom surface of the vehicle, a non-contact charging unit that is separated from the road surface interference guard member and is fastened to a bottom surface of the vehicle behind the road surface interference guard member, and is movable relative to the road surface interference guard member in a vertical direction of the vehicle, wherein the non-contact charging unit has an inclined portion that is formed to be inclined rearward with respect to a longitudinal direction of the vehicle, and the inclined portion is configured such that a lower end portion is lower than a lower end portion of the road surface interference guard member.