Road-Embedded Wireless EV Charging for In-Motion Recharging
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Solution Overview
Problem
Existing electric vehicle charging systems require vehicles to stop at charging stations, which is inconvenient and increases travel time, especially for long-haul vehicles, due to limited charging infrastructure.
Innovation Solution
A wireless charging system for roads that includes wireless communication transceivers and power chargers embedded within the road, allowing vehicles to receive wireless charging as they travel, with a control processor managing the charging based on vehicle data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If electric vehicles use periodic charging at charging stations, then vehicles can be recharged, but travel time increases and convenience decreases
Solution Approach 1:
The wireless charging system performs preliminary action by establishing charging infrastructure along roadways before vehicles need charging. The system proactively transmits power to vehicles as they travel, eliminating the need for vehicles to stop and wait at charging stations, thus resolving the time loss contradiction
Solution Approach 2:
The patent introduces an intermediary wireless power transmission system between the power grid and moving vehicles. This intermediary system uses electromagnetic fields to transfer energy wirelessly through the roadway to the vehicle, enabling continuous charging without physical connection or vehicle stopping
2Use of energy by moving object
If electric vehicles stop at charging stations to recharge, then batteries can be recharged, but vehicle range is limited by charging availability
Solution Approach 1:
The wireless charging system enables continuity of useful action by providing uninterrupted power transmission to the vehicle throughout its journey. The charging infrastructure is distributed along the roadway, ensuring continuous energy supply that extends vehicle range without requiring stops, thus resolving the range limitation contradiction
Solution Approach 2:
The roadway itself is transformed into a multi-functional structure that serves both as a transportation surface and as a power transmission medium. This universal infrastructure supports both vehicle movement and wireless energy transfer, enabling extended range without additional dedicated charging stops
3Ease of operation
If charging stations are distributed throughout geographic locations, then vehicle charging accessibility improves, but infrastructure cost and complexity increase
Solution Approach 1:
The patent merges the roadway infrastructure with the charging system by embedding wireless power transmitters within the existing road structure. This combination eliminates the need for separate, standalone charging stations, reducing infrastructure complexity while maintaining broad charging accessibility along travel routes
Solution Approach 2:
The system transitions from discrete point-based charging stations to a continuous linear charging environment along the roadway. This dimensional change from zero-dimensional points to one-dimensional lines provides ubiquitous charging access without requiring multiple independent charging locations, simplifying the overall infrastructure
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 continuous charging of electric vehicles while in motion, increasing vehicle range without the need for frequent stops, thereby reducing travel time and improving convenience, especially for long-haul vehicles.
Implementation Method 1
a wireless power charger embedded within the road. The wireless power charger is configured to transmit energy wirelessly to the vehicle
Implementation Method 2
a wireless communication transceiver embedded within the road. The wireless communication transceiver is configured to communicate with a vehicle traveling on the road
Data Source
AI summary
A wireless charging system for a road. The wireless charging system comprises a wireless communication transceiver embedded within the road. The wireless communication transceiver is configured to communicate with a vehicle traveling on the road. The wireless charging system additionally comprises a wireless power charger embedded within the road. The wireless power charger is configured to transmit energy wirelessly to the vehicle. The wireless power charger further comprises at least one control processor in communication with the wireless communication transceiver and the wireless power charge. The control processor is configured to control the wireless power charger based on data regarding the vehicle obtained from the wireless communication transceiver.