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Wireless charging method, device and system

A wireless charging and charging current technology, applied in the field of electronics, can solve the problems of insufficient battery protection, low charging power, and long charging time.

Active Publication Date: 2021-03-26
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, when charging the battery pack of a vehicle, there are usually problems such as low charging power, long charging time, and insufficient battery protection, and the battery will be severely polarized and gassed in a large amount during the charging process, which will further reduce the charging efficiency.

Method used

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  • Wireless charging method, device and system
  • Wireless charging method, device and system

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Embodiment Construction

[0033] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0034] According to the first embodiment of the present disclosure, a wireless charging method is provided, which can be applied to a wireless charging receiver, and can be suitable for charging any type of battery pack, especially for power battery packs of electric vehicles. Such as figure 1 As shown, the method may include the following steps S101 to S104.

[0035] S101. Obtain charging parameters of the battery pack in a charging state.

[0036] S102. Adjust the charging current pulse width for charging the battery pack based on the charging parameters.

[0037] S103. Determine, based on the adjusted pulse width of the charging current, the electric en...

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PUM

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Abstract

The invention provides a wireless charging method, device and system, relates to the technical field of electronics, and can realize quick and safe charging of the battery pack. The method comprises the steps that the charging parameter of the battery pack under the charging state is acquired; the charging current pulse width for charging the battery pack is adjusted based on the charging parameter; the electric energy required to be transmitted to the wireless charging receiver by the wireless charging transmitter is determined based on the adjusted charging current pulse width; and the information about the electric energy required to be transmitted to the wireless charging receiver by the wireless charging transmitter is transmitted to the wireless charging transmitter.

Description

technical field [0001] The present disclosure relates to the field of electronic technology, and in particular, to a wireless charging method, device and system. Background technique [0002] At present, when charging the battery pack of a vehicle, there are usually problems such as low charging power, long charging time, and insufficient battery protection. In addition, the battery will be severely polarized and gassed in a large amount during the charging process, which will further reduce the charging efficiency. Contents of the invention [0003] The purpose of the present disclosure is to provide a wireless charging method, device and system, which can solve the above-mentioned defects in the prior art. [0004] In order to achieve the above object, the present disclosure provides a wireless charging method, which is applied to a wireless charging receiver, and the method includes: [0005] Obtain the charging parameters of the battery pack in the charging state; ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00H02J50/80
CPCH02J7/0077H02J7/025H02J7/0013
Inventor 何红霞陈大军
Owner BYD CO LTD