Moving vehicle wireless charging device and method thereof

Abstract

The invention provides a moving vehicle wireless charging device. Through the moving vehicle wireless charging device, an electric vehicle can continuously receive energy emitted by transmitting coilsduring traveling on a road, energy receiving is quite small in fluctuation and continuous, the application range of wireless charging can be effectively expanded, and the using effect of wireless charging can be effectively improved. The moving vehicle wireless charging device comprise a vehicle-mounted magnetic core, a receiving coil, a wireless energy receiving module, a storage battery, the transmitting coils, a subgrade magnetic core, wireless energy transmitting modules and the like; the receiving coil is mounted at the horizontal position of the bottom of the vehicle, and the vehicle-mounted magnetic core is closely attached to the receiving coil and located between the receiving coil and a chassis of the vehicle; the receiving coil and the wireless energy receiving module are connected and charge the storage battery; and the transmitting coils and the wireless energy transmitting modules are buried under the road surface in the direction of the road, the multiple transmitting coils are closely attached to the lower portion of the road surface and arrayed in the direction of the road, the subgrade magnetic core is mounted on the lower portions of the transmitting coils, andthe each transmitting coil is connected with the corresponding wireless energy transmitting module.

Description

technical field [0001] The invention relates to a mobile vehicle wireless charging device and method, belonging to the field of wireless energy transmission in electric vehicle applications. Background technique [0002] With the rapid development of electric vehicles in my country, the biggest bottleneck restricting electric vehicles is the low energy density of the battery and the slow charging speed. In order to solve this problem, it is necessary to charge the vehicle while it is in motion, so the idea of ​​a smart highway capable of wireless charging is gradually accepted by people. The technology for charging vehicles on the move is still immature, and although there are many inventions that introduce wireless charging solutions, there are still some problems. [0003] Chinese patent CN201510131455.1 discloses a traveling wireless charging device for electric vehicles and a control method thereof. The wireless charging device can charge the electric vehicle while it i...

AI Technical Summary

Problems solved by technology

But in the same way, when the receiving coil is connected between two adjacent transmitting coils, due to the cancellation of the magnetic field, the energy cannot be received

Therefore, it is necessary to detect the position of the receiving coil to close a transmitting coil. This control is more complicated, and the detection of the position of the receiving coil also increases the cost of the system, and the received energy will fluctuate relatively large, or even fluctuate to zero.

[0005] Chinese patent CN201510291779.1 discloses a road guardrail charging system and method for wireless mobile charging of electric vehicles. This invention changes the transmitting coil and receiving coil from the bottom of the electric vehicle to the side of the electric vehicle, which does not solve the problem of crossover transmission. The problem of receiving energy drop when the coil

At the same time, the side of the car is generally not the bright side, and the effect of installing the receiving coil on the curved arc surface will be more affected

[0006] Chinese patents CN201710189628.4, CN201710290892.7, CN201620747991.4, and CN201610438208.0 also disclose several wireless charging devices for mobile vehicles, but none of them propose a solution to the problem of receiving fluctuations in receiving coil energy during the movement process

Images