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Dynamic multi-level wireless charging system for electric vehicles

A technology of electric vehicle and wireless charging, which is applied in the direction of electric vehicle charging technology, electric vehicles, charging stations, etc., can solve the problems of parking and charging of electric vehicles, and achieve the effects of low maintenance cost, improved power supply efficiency, and reliable operation

Active Publication Date: 2019-07-09
武汉珞森源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can not only reduce the battery of electric vehicles or even eliminate the need for battery packs, thus saving the cost of batteries, thus greatly reducing the cost of electric vehicles, but also solving the problem of wireless charging system occupying the road and requiring parking and charging of electric vehicles

Method used

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  • Dynamic multi-level wireless charging system for electric vehicles
  • Dynamic multi-level wireless charging system for electric vehicles
  • Dynamic multi-level wireless charging system for electric vehicles

Examples

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Embodiment Construction

[0029] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0030] Examples of the described embodiments are shown in the drawings, wherein like or similar reference numerals designate like or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0031] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. They are examples only and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the pur...

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PUM

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Abstract

The invention relates to electric vehicle wireless charging technique, in particular to an electric vehicle dynamic multistage wireless charging system, comprising: an electric vehicle and cable segment including graded guide rails 1 to n connected in sequence, with n being a positive integer; charging guide rail transmitting units and a vehicle body receiving unit. One charging guide rail transmitting unit is built in each graded guide rail; the vehicle body receiving unit is mounted on an electric vehicle. The electric vehicle dynamic multistage wireless charging system is convenient to use, runs reliably, is low in maintenance cost and is good in safety and high in efficiency; through a power supply guide rail buried underground and a high voltage energy-acquiring device that acquires energy from an underground cable, an electric vehicle can be charged conveniently and efficiently with no need for parking and using road surface; working frequency of an LC (inductor-capacitor) oscillating circuit is designed to correspond to a maximum working point of transmitted powder; the guide rail is in graded design, so that the graded guide rails supply power in different periods of time, and power supply efficiency is improved; through frequency self-tracing, a transmitter and a receiver operate constantly in resonant state, and working efficiency is high.

Description

technical field [0001] The invention belongs to the technical field of electric vehicle wireless charging, in particular to a dynamic multi-stage wireless charging system for electric vehicles. Background technique [0002] Wireless power technology (wireless power transfer) devices do not need to use cables to connect the device to the power supply system, and can directly charge it quickly. In addition, non-contact fast charging can be arranged in a variety of places, and can provide charging services for various types of equipment, making it possible to charge anytime and anywhere. [0003] At present, wireless energy transmission technology includes at least the following five directions: electromagnetic induction, electromagnetic resonance, microwave, ultrasonic and laser. [0004] Among them, the principle of the resonant magnetic coupling wireless power transmission technology is the same as the resonance principle of the tuning fork. The coils with the same vibrati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J50/12H02J7/00B60L53/31
CPCB60L53/00H02J5/005H02J7/025Y02T10/70Y02T10/7072Y02T90/12Y02T90/14
Inventor 蔡昌松郭玮
Owner 武汉珞森源科技有限公司
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