Wireless Vehicle-to-Vehicle Charging via Shared Induction Coil
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Solution Overview
Problem
The construction of existing wireless power supply systems for electric auxiliary vehicles is costly due to the need for multiple charging devices, which increases system costs.
Innovation Solution
A wireless power supply system utilizing a single charging device that allows one electric auxiliary vehicle to provide wireless vehicle power to others, reducing the need for multiple charging devices and incorporating a charging device with a device converter and induction coil, along with various operating modes for power transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple charging devices are deployed to wirelessly charge multiple electric auxiliary vehicles, then each vehicle can be charged independently, but the system construction cost increases significantly
Solution Approach 1:
The patent makes the charging device universal by enabling it to serve multiple functions: it can charge multiple vehicles sequentially through different operating modes (first operating mode for one vehicle, second operating mode for another vehicle), and can even receive power from vehicles to transfer to other vehicles. This multi-functionality allows a single charging device to replace what would traditionally require multiple dedicated charging devices, thereby reducing system construction cost while maintaining charging availability.
Solution Approach 2:
The charging device employs dynamic operation by switching between different operating modes depending on the charging needs. The device can dynamically adjust its function to charge different vehicles at different times, or even to receive power from a vehicle with excess capacity and transfer it to another vehicle needing power. This dynamic adaptability allows the system to maintain high charging availability with fewer physical charging devices.
2Device complexity
If a single charging device is used to reduce system construction cost, then the system becomes more economical, but the ability to charge multiple vehicles simultaneously is limited
Solution Approach 1:
The patent implements periodic action through time-division multiplexing where the single charging device alternates between different operating modes to serve different vehicles. The device can charge one vehicle during a first time period, then switch to charge another vehicle during a second time period, and even receive power from a vehicle during a third time period. This periodic switching allows the system to maintain high charging throughput over time while using only one charging device, thus improving productivity without increasing system construction cost.
Solution Approach 2:
The patent enables self-service functionality where an electric auxiliary vehicle with sufficient battery capacity can act as a mobile charging station. The vehicle can transmit its stored energy to the charging device, which then transfers this energy to other vehicles that need power. This peer-to-peer energy sharing capability allows the system to maintain high productivity by utilizing the stored energy within the vehicle fleet itself, reducing the need for additional external charging 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
The system reduces construction costs by utilizing a single charging device and enables innovative power transfer methods, allowing vehicles to share power resources efficiently.
Implementation Method 1
The charging device includes a device converter and a device induction coil. The device induction coil is electrically connected to the device converter. A first electric auxiliary vehicle among the electric auxiliary vehicles provides a wireless vehicle power to the device induction coil
Data Source
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AI summary
Disclosed are a wireless power supply system (100, 200) and an operating method (S100) for a wireless power supply system (100, 200). The wireless power supply system (100, 200) includes a charging device (110, 210) and a plurality of electric auxiliary vehicles (120_1 to 120_n, 220_1, 220_2). The charging device (110, 210) includes a device converter (111, 211) and a device induction coil (112, 212). A first electric auxiliary vehicle (120_1, 220_1) among the electric auxiliary vehicles (120_1 to 120_n, 220_1, 220_2) provides a wireless vehicle power (PC1) to the device induction coil (112, 212) in a first operating mode. The charging device (110, 210) provides the wireless vehicle power (PC1) to at least one electric auxiliary vehicle other than the first electric auxiliary vehicle (120_1, 220_1) in the first operating mode.