Wireless power smart door lock
US11441331B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2017 |
| Grant date | Sep 13, 2022 |
| Priority date | — |
| Expiry date | Jun 30, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05B2047/0068
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disclosed is a wireless power supply smart door lock, comprising: a wireless power transmission control device mounted on a door frame; the wireless power transmission control device comprises a first main control unit and a wireless power transmission coil, a first wireless power conversion unit, a first communication unit and a door body state detecting unit electrically connected to the first main control unit; the wireless power receiving control device comprises a second main control unit and a wireless power receiving coil, a second wireless power conversion unit, an energy storage unit and a second communication unit electrically connected to the second main control unit; the first main control unit detects the acquired door opening or closing state information and the energy storage unit electric quantity information obtained by the communication interaction in real time according to the door body state detecting unit, and determines whether to trigger the wireless power transmission coil to transmit electric energy to the wireless power receiving coil to charge the energy storage unit. The energy storage unit in the lock body can be charged when the door body is closed, an…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.