Charging apparatus and charging system
US11249143B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 13, 2020 |
| Grant date | Feb 15, 2022 |
| Priority date | — |
| Expiry date | Jul 28, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A charging apparatus is disclosed, the apparatus includes a charging circuit including a first voltage conversion circuit configured to convert an alternating current voltage into a first direct current voltage and a switch; a current leakage detection circuit including a second voltage conversion circuit configured to convert the first direct current voltage into a second direct current voltage that does not trigger charging of an electronic device, and the current leakage detection circuit is configured to: detect whether current leakage occurs between a voltage output end and the ground, and output a result at the voltage output end; an in-position detection circuit configured to detect whether the electronic device is in position; and a control circuit configured to: when no current leakage occurs and the electronic device is in position, close the switch, and when it is not in-position, open the switch to prevent the charging.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.