Railway Wireless Charging Coil Layout Without Track Modification
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Solution Overview
Problem
Conventional wireless charging systems for railway vehicles require significant infrastructure modifications, which is impractical for the railway industry, and existing solutions are primarily designed for the automotive industry.
Innovation Solution
A wireless charging system comprising a fixed coil assembly installed between railway tracks and a mobile coil assembly on the railway vehicle, allowing for wireless power transfer without physical contact, with adjustable components to maintain an optimal distance and debris removal mechanism, enabling charging without modifying existing infrastructure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional wireless charging systems are implemented for railway vehicles, then power transfer efficiency is improved, but infrastructure modification requirements increase
Solution Approach 1:
The system uses the railway vehicle's own movement along the tracks to bring the mobile coil assembly into position with the fixed coil assembly, eliminating the need for complex infrastructure modifications. The vehicle itself performs the positioning function that would otherwise require sophisticated infrastructure control mechanisms.
Solution Approach 2:
The fixed coil assembly installed between the tracks acts as an intermediary that transfers power wirelessly to the mobile coil assembly on the vehicle. This intermediary approach enables efficient power transfer without requiring direct physical connection or major infrastructure changes to the railway system.
2Loss of energy
If adjustable components are added to maintain optimal distance, then power transfer efficiency is improved, but device complexity increases
Solution Approach 1:
The system incorporates adjustable components that allow the distance between the fixed and mobile coil assemblies to be dynamically optimized. This dynamic adjustment capability ensures optimal power transfer efficiency while maintaining relatively simple device architecture through straightforward mechanical adjustment mechanisms.
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
Enables efficient and reliable wireless charging of railway vehicles without altering existing infrastructure, improving convenience and safety by maintaining optimal power transfer efficiency and reducing wear on components.
Implementation Method 1
electrical power may be transferred between the fixed coil assembly and the mobile coil assembly to charge the railway vehicle... electrical power may be transferred via the primary coil and the secondary coil without the primary coil physically contacting the secondary coil
Data Source
AI summary
A wireless charging system for charging a battery of a railway vehicle and a corresponding method of use are disclosed herein. The wireless charging system may comprise a fixed coil assembly installed between a set of tracks of a railway and a mobile coil assembly affixed to a bottom side of a railway vehicle (such as a locomotive or railcar mover). The fixed coil assembly may comprise at least one primary coil, and the mobile coil assembly may comprise at least one secondary coil. When the railway vehicle is positioned over the fixed coil assembly, electrical power may be transferred between the fixed coil assembly and the mobile coil assembly via the primary coil and the secondary coil to charge the railway vehicle. In various embodiments, electrical power may be transferred via the primary coil and the secondary coil without the primary coil physically contacting the secondary coil.