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Start control circuit and method based on wireless charging and wireless charging system

A technology for start-up control and wireless charging, applied in battery circuit devices, electric vehicles, circuit devices, etc., can solve the problems of complex control module design structure, difficult control method implementation, limited application scope, etc. Power transmission, the effect of low overall cost

Active Publication Date: 2021-07-13
SG MICRO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the existing wireless charging scheme, the design structure of the control module is complicated, and the control method is not easy to realize. In the process of detection and control startup, the power consumption is large, the detection range is small, and the scope of application is limited.
At the same time, the existing wireless charging scheme must use a wireless charging chip with a protocol, as well as supporting receiving and transmitting antennas, according to the manufacturer's reference scheme, to detect the existence of the receiving module, which is costly

Method used

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  • Start control circuit and method based on wireless charging and wireless charging system
  • Start control circuit and method based on wireless charging and wireless charging system
  • Start control circuit and method based on wireless charging and wireless charging system

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Embodiment Construction

[0026] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be implemented in different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

[0028] Hereinafter, the present invention will be described in detail with reference t...

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Abstract

The invention discloses a starting control circuit and method based on wireless charging and a wireless charging system, and the starting control circuit comprises a shaping module which is used for receiving an enabling control signal and shaping the enabling control signal; and an output module which receives the detection signal, is connected with the shaping module, receives the shaped enable control signal and is used for outputting a start control signal according to the detection signal and the shaped enable control signal, wherein the shaped enable control signal is synchronous with the detection signal. According to the invention, a communication protocol and a wireless charging chip are not needed, the cost is low, the structure is simple, the power consumption is small, and the application range is wide.

Description

technical field [0001] The invention relates to the technical field of wireless charging, in particular to a wireless charging-based startup control circuit, method and wireless charging system. Background technique [0002] With the development of electronic technology, electronic technology has developed from radar, satellite and communication applications to scientific research, medicine, biology and people's life and other aspects. At present, the application of electronic technology is closely related to our life, and the application and promotion of wireless charging has become a major trend in multimedia, household appliances, mobile phones, computers, etc. in our life. [0003] Wireless charging uses near-field induction, and the wireless charging transmitting device transmits energy to the receiving antenna or coil of the wireless charging receiving device through its transmitting antenna or coil, and the wireless charging receiving device uses the energy it receive...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K17/30H02J7/00H02J7/02H02J50/10H02J50/20
CPCH03K17/302H02J7/00H02J50/10H02J50/20
Inventor 苏益
Owner SG MICRO
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