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Electric vehicle wireless charging system and control method

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 increasing system cost and volume, unfavorable system efficiency, etc., to optimize system efficiency, realize high frequency, reduce Effect of System Cost and Volume

Pending Publication Date: 2021-10-01
安洁无线科技(苏州)有限公司
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Problems solved by technology

However, multi-level energy transfer is not conducive to system efficiency, and also increases system cost and volume

Method used

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  • Electric vehicle wireless charging system and control method
  • Electric vehicle wireless charging system and control method
  • Electric vehicle wireless charging system and control method

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Embodiment Construction

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0040] like figure 1 , 2 As shown, an embodiment of the present invention provides a wireless charging system for electric vehicles, which includes: a power factor correction module 10 , an inverter 20 , a ground end compensation module 30 , a transmitting coil 40 , a receiving coil 50 , and a vehicle end compensation module 60 , a rectifier 70, a ground control module 80 and a vehicle control module 90.

[0041] A power factor correction module (PFC) 10 is ...

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Abstract

The invention provides an electric vehicle wireless charging system and a control method, and the electric vehicle wireless charging system comprises a power factor correction module, an inverter, a ground end control module, a transmitting coil, a receiving coil, a vehicle end control module and a rectifier. According to the wireless charging system for the electric vehicle, a DC / DC module is not arranged, the requirement of the system for voltage is met through PFC and INV, optimization of system efficiency is facilitated, and system cost and size are reduced. Meanwhile, when the wireless charging system of the electric automobile adjusts the current of the transmitting coil, it can be guaranteed that the inverter is in a soft switching state, and therefore high frequency of a power conversion device can be achieved easily.

Description

technical field [0001] The invention relates to the technical field of electric vehicle wireless charging, in particular to a wireless charging system and control method for electric vehicles. Background technique [0002] Electric vehicles use high-energy-density battery packs as power sources, but limited by the capacity of the battery packs, the mileage of electric vehicles is relatively short. At the same time, the charging time of the battery packs is long and the configuration of charging stations is not perfect, which has become the biggest bottleneck restricting the rapid development of electric vehicles. . [0003] There are generally two ways to supplement electric vehicle battery packs: wired charging and wireless charging. Wired charging uses cables, metal connections between charging plugs and charging sockets to supplement power for the battery pack, but at the same time, there are problems such as aging lines and poor contact, which greatly reduce the reliabi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/10H02J50/80B60L53/12H02M7/5387
CPCH02J50/10H02J50/80B60L53/12H02M7/5387Y02T10/70Y02T10/72Y02T10/7072Y02T90/14
Inventor 孟浩
Owner 安洁无线科技(苏州)有限公司
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