Vehicle Power Extraction Device with Inclined Waterproof Interface
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Solution Overview
Problem
Conventional devices lack a specific configuration to extract electric power from a vehicle's battery by connecting to its charging port, and there is a need for a device that can operate effectively in various outdoor environments.
Innovation Solution
An extraction device with a column-shaped body, featuring a second connecting portion on the vehicle and a third connecting portion with an external connection plug, where the connection surface is inclined downward to prevent water ingress, and includes seals and a cover to secure the external connection plug, ensuring functionality in diverse environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the extraction device is designed with a connection surface for external connection plugs, then electric power can be extracted from the vehicle battery, but water and foreign matter may enter the connection interface
Solution Approach 1:
The connection surface is inclined downward at a specific angle (10-45 degrees) before any harmful action occurs. This preliminary geometric configuration prevents water and foreign matter from reaching the connection interface through gravitational drainage, counteracting the harmful effect before it can manifest.
Solution Approach 2:
The inclination angle converts the harmful effect of gravity-driven water flow into a beneficial drainage mechanism. Instead of water accumulating at the connection surface, the inclined geometry directs water away from the connection interface, transforming the gravitational force that causes harm into a protective drainage feature.
2Reliability
If the connection surface is inclined downward to prevent water ingress, then protection against water and foreign matter is improved, but the connection geometry becomes more complex
Solution Approach 1:
Only the connection surface requires the inclined geometry for protection, while the rest of the extraction device maintains its original simple columnar structure. This localized application of complexity minimizes the overall device complexity while achieving the required protection at the critical connection interface.
3Productivity
If the extraction device is connected to the vehicle's charging port, then electric power can be extracted, but the device must accommodate various outdoor environments
Solution Approach 1:
The inclined connection surface is configured in advance to counteract environmental harmful factors such as rain and snow before they affect the connection. This preliminary protective geometry ensures the device can operate reliably in various outdoor environments while maintaining its electric power extraction function.
Data Source
AI summary
A power extraction device is an extraction device configured to extract electric power from a vehicle by being connected to a first connecting portion of the vehicle, the vehicle including a storage battery and the first connecting portion to which a plug is connected so that the first connecting portion is able to perform at least one of supplying of electric power to the storage battery and discharging of electric power accumulated in the storage battery to its outside. The extraction device includes: a second connecting portion to be connected to the first connecting portion provided on an outer peripheral surface of the vehicle; and a third connecting portion to which an external connection plug configured to connect an external device to the extraction device is connectable. The third connecting portion includes a connection surface to which the external connection plug is connected.