Magnetic EV Charging Plug Coupling for Low-Light Connection
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Solution Overview
Problem
Existing electric vehicle charging systems can be difficult to connect, especially in low light conditions or for individuals with physical limitations, due to the traditional male-female configuration of charging plugs and ports.
Innovation Solution
An electric vehicle charging system that employs a magnetic charging plug with alignment magnets and a corresponding magnetic charging port, allowing for self-alignment and secure magnetic coupling, which can be operated electromagnetically for convenient and timely charging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional male-female charging plugs and ports are used, then electrical connection can be established, but connection becomes difficult in low light conditions or for individuals with physical limitations
Solution Approach 1:
The patent replaces the traditional mechanical alignment and connection system with a magnetic field-based system. Alignment magnets embedded in both the charging plug and port create magnetic attraction forces that automatically guide and align the plug with the port, eliminating the need for manual precise alignment. The magnetic coupling also provides automatic connection and secure holding during charging.
Solution Approach 2:
The magnetic alignment system enables the charging plug and port to self-align and self-connect without requiring user intervention for precise positioning. The magnetic attraction forces automatically guide the plug into the correct orientation and maintain stable connection, making the charging process accessible to individuals with physical limitations.
2Ease of operation
If magnetic alignment system is added to improve connection ease, then alignment and connection become automatic, but device structure becomes more complex
Solution Approach 1:
The patent combines multiple functions into the magnetic system: alignment magnets serve both for guiding alignment and for providing coupling force. The same magnetic interaction that aligns the plug also secures the connection, eliminating the need for separate alignment mechanisms and reducing overall structural complexity despite adding magnetic components.
Solution Approach 2:
The alignment magnets serve multiple purposes: they guide the plug toward the port, maintain alignment during connection, provide holding force during charging, and enable easy disconnection when the magnetic force is released. This multi-functionality reduces the need for additional separate components.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The magnetic charging system enables easy and secure connection of electric vehicles, improving convenience and accessibility by allowing for automatic alignment and locking of the charging plug to the port, regardless of lighting conditions or user ability.
Implementation Method 1
the alignment magnets of the charging plug magnetically align with and magnetically couple to the alignment magnets of the charging port
Data Source
AI summary
One example provides an electric vehicle (EV) charging system including a charging station having a charging plug including an end surface on which at least one pair of alignment magnets and a plurality of charging contacts are arranged in a layout pattern. A charging port disposed on an EV has at least one pair of alignment magnets and a plurality of charging contacts which are arranged in the layout pattern on a surface of the charging port, the charging port to receive the charging plug, wherein the alignment magnets of the charging plug magnetically align with and magnetically couple to the alignment magnets of the charging port such that the charging contacts of the charging plug are aligned with an in electrical contact with the charging contacts of the charging port.