Electric Vehicle Power Supply Port in Front Compartment
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Solution Overview
Problem
Electric vehicles with power supplying ports inside the cabin require special waterproofing and crime prevention measures when extending power cables outside, leading to increased weight and cost.
Innovation Solution
The power supplying port is located within a front compartment independent of the cabin, eliminating the need for waterproofing and crime prevention measures, and is positioned to protect high-voltage components from collisions and provide easy access while reducing weight and cost through shortened wiring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the power supplying port is provided inside the cabin, then the power supplying cable can be extended outside through open door or window, but waterproofing measures and crime prevention measures are necessary, causing increases in weight and cost
Solution Approach 1:
The power supplying port is extracted from the cabin interior and relocated to the front compartment, which is independent from the cabin. This extraction eliminates the need for waterproofing and crime prevention measures since the front compartment is not part of the sealed cabin structure, thereby reducing weight while maintaining operational accessibility.
2Ease of operation
If the power supplying port is provided inside the cabin, then the power supplying cable can be extended outside through open door or window, but waterproofing measures and crime prevention measures are necessary, causing increases in cost
Solution Approach 1:
The power supplying port is extracted from the cabin interior and relocated to the front compartment. This eliminates the need for expensive waterproofing and crime prevention measures that would be required if the port remained inside the cabin, thereby reducing manufacturing costs while maintaining ease of access.
3Weight of moving object
If the power supplying port is provided in the front compartment, then waterproofing and crime prevention measures are eliminated, but the high-voltage part may be vulnerable to collision from the front side
Solution Approach 1:
An impact absorption member is provided in the front compartment to absorb impacts from the front side before they reach the power supplying port. This beforehand cushioning protects the high-voltage part from collision damage while maintaining the benefits of locating the port in the front compartment.
4Object-affected harmful factors
If the power supplying port is positioned behind the impact absorption member, then the high-voltage part is protected from front side collision, but the wiring length from power control unit increases
Solution Approach 1:
The power supplying port is positioned behind the impact absorption member to ensure collision protection. While this increases wiring length, the impact absorption member itself is designed to be compact, and the overall increase in wiring length is minimized through optimized spatial arrangement, balancing protection requirements with electrical connection efficiency.
Data Source
AI summary
An electric vehicle includes a power storage device, a front compartment, a power supplying port, and an external power supplying device. The power storage device is configured to feed electric power to a motor for traveling. The front compartment is provided in front of a cabin of the electric vehicle in the electric vehicle. The power supplying port is provided in the front compartment and is configured to be connected with a power supplying cable. The external power supplying device is configured to feed electric power of the power storage device to an outside of the electric vehicle from the power supplying port.