Charging protection circuit, product and charging protection method
By introducing an overvoltage protection circuit and a magnetic induction switch circuit into the charging head, the problem of the charging head being unable to detect the semi-connected state is solved, achieving fast-response overvoltage protection and improving the safety and reliability of the charging head.
CN120934133APending Publication Date: 2025-11-11BEIJING CHOICE ELECTRONICS TECH CO LTD +1
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Patent Information
- Application Number
- CN202511098667.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-06
- Publication Date
- 2025-11-11
AI Technical Summary
Technical Problem
In existing magnetic charging technology, the charging head cannot effectively sense the semi-connected state of the load device to be charged, which leads to safety hazards such as arcing caused by continuous power supply, and lacks electronic protection circuits.
Method used
The charging protection circuit, including an overvoltage protection circuit and a magnetic induction switch circuit, is adopted to control the charging process by detecting voltage and sensing changes in the external magnetic field, thus ensuring the safety of the charging head.
Benefits of technology
It features fast-response overvoltage protection to prevent the charging head from outputting current when not in use, thus improving the safety and reliability of the charging head.
✦ Generated by Eureka AI based on patent content.
Abstract
The embodiment of the invention provides a charging protection circuit, a product and a charging protection method, and the circuit comprises a charging process control circuit which is connected with an external power input port, and is configured to control the start and stop of a charging process through overvoltage detection and / or through sensing the change of an external magnetic field; and the charging port is connected with the charging process control circuit and is configured to be controlled by the charging process control circuit to charge to-be-charged load equipment. According to the embodiment of the invention, the charging protection circuit can better guarantee the charging of the charging head when the charging head is not used.
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