Invention Grant
- Patent Title: Charging protection method and apparatus
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Application No.: US15532026Application Date: 2014-12-31
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Publication No.: US10250048B2Publication Date: 2019-04-02
- Inventor: Chong Wen
- Applicant: Huawei Technologies Co., Ltd.
- Applicant Address: CN Shenzhen
- Assignee: Huawei Technologies Co., Ltd.
- Current Assignee: Huawei Technologies Co., Ltd.
- Current Assignee Address: CN Shenzhen
- Agency: Leydig, Voit & Mayer, Ltd.
- International Application: PCT/CN2014/095733 WO 20141231
- International Announcement: WO2016/106616 WO 20160707
- Main IPC: H02J7/00
- IPC: H02J7/00 ; G08B21/18 ; H02H7/18 ; H02H5/04 ; H02J7/04

Abstract:
Embodiments of present invention provide a charging protection method, including: measuring a charging voltage, a charging current, and a temperature rise of a charging interface of a charged device; detecting whether the charging voltage falls beyond a preset voltage range, detecting whether the charging current is less than a preset current threshold, and detecting whether the temperature rise is greater than a preset temperature rise threshold; and if a detection result of any one or more of the three detecting items is yes, disconnecting a charging circuit of a charger. Correspondingly, the embodiments of the present invention further provide a charging protection apparatus, which can disconnect a charging circuit in a timely manner when a charging exception occurs, thereby avoiding damage to a charging interface.
Public/Granted literature
- US20170271897A1 CHARGING PROTECTION METHOD AND APPARATUS Public/Granted day:2017-09-21
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