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Wireless charging system and method for electric vehicle

A technology of wireless charging and electric vehicles, applied in the direction of electric vehicle charging technology, electric vehicles, charging stations, etc., can solve the problems of discretization of design and large volume, meet the needs of convenience, increase the degree of freedom of adjustment, and realize multiple The effect of degrees of freedom control strategy

Active Publication Date: 2019-01-11
UNITED AUTOMOTIVE ELECTRONICS SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The purpose of the present invention is to provide a wireless charging system and method for electric vehicles to solve the problems of large volume and discrete design of the existing wireless charging system for high and low voltage batteries

Method used

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  • Wireless charging system and method for electric vehicle
  • Wireless charging system and method for electric vehicle
  • Wireless charging system and method for electric vehicle

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Embodiment 1

[0061] This embodiment provides a wireless charging system for electric vehicles, such as figure 1 As shown, the electric vehicle wireless charging system includes a sequentially connected power factor correction module 1, an H-bridge inverter module 2, a magnetic energy coupling mechanism module 3, and an active rectification module 4, and also includes high-voltage power supplies connected to the active rectification module 4 respectively. Battery module 51 and low-voltage battery module 52, wherein: as figure 2 As shown, the 220V mains power grid supplies power to the high voltage battery module 51 and the low voltage battery module 51 through the power factor correction module 1, the H bridge inverter module 2, the magnetic energy coupling mechanism module 3 and the active rectification module battery module 52 charging; as image 3 As shown, the high-voltage battery module 51 charges the low-voltage battery module 52 through the magnetic energy coupling mechanism module...

Embodiment 2

[0076] This embodiment also provides a wireless charging method for electric vehicles. The wireless charging method for electric vehicles includes: the 220V mains power grid supplies power to the high-voltage battery module through a power factor correction module, an H-bridge inverter module, a magnetic energy coupling mechanism module, and an active rectification module. charging with the low-voltage battery module; the high-voltage battery module charges the low-voltage battery module through the magnetic energy coupling mechanism module and the active rectification module; the low-voltage battery module charges the low-voltage battery module through the magnetic energy coupling mechanism module and the active rectification module Charge the high-voltage battery module; the high-voltage battery module feeds energy back to the 220V mains grid through the power factor correction module, the H-bridge inverter module, the magnetic energy coupling mechanism module and the active r...

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Abstract

The invention provides a wireless charging system and method for an electric vehicle, including sequentially connected power factor correction module, H-bridge inverter module, magnetic energy coupling mechanism module and active rectifier module, a high-voltage battery module and a low-voltage battery module respectively connected with the active rectifier module, wherein the 220V mains power grid charges the high-voltage battery module and the low-voltage battery module through the power factor correction module, the H-bridge inverter module, the magnetic energy coupling mechanism module andthe active rectifier module; the high-voltage battery module charges the low-voltage battery module through the magnetic energy coupling mechanism module and the active rectifier module; the low-voltage battery module charges the high-voltage battery module through the magnetic energy coupling mechanism module and the active rectifier module; and the high-voltage battery module feeds energy backto the 220V mains power grid through the power factor correction module, the H-bridge inverter module, the magnetic energy coupling mechanism module and the active rectifier module.

Description

technical field [0001] The invention relates to the technical field of electric vehicles, in particular to a wireless charging system and method for electric vehicles. Background technique [0002] Electric vehicles generally contain high-voltage power batteries and low-voltage batteries. Traditional on-board chargers rely on wired cables to charge high-voltage power battery packs, while traditional high-voltage DC converters convert high-voltage DC to low-voltage DC to charge low-voltage batteries. If the on-board charger (Charger) and the high-voltage DC converter (Converter) are integrated (CharCon), the high-voltage power battery and the low-voltage battery can be charged at the same time, and the volume and weight of the charging system can be reduced. For electric vehicles, their energy supply comes from the grid, and the charging process requires the participation of electric vehicle users to complete the connection between electric vehicles and the grid, which cannot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L53/12H02J50/12
CPCH02J50/12Y02T10/70Y02T10/7072Y02T10/72Y02T90/14
Inventor 王振世徐玮邱松子
Owner UNITED AUTOMOTIVE ELECTRONICS SYST
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