Detection circuit, method, and apparatus
US11313908B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2019 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Jul 10, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R19/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A detection circuit includes a switch conversion unit and a collection control unit. The switch conversion unit is configured to: enable a first end of the switch conversion unit to connect to a third end of the switch conversion unit within first duration, and enable a second end of the switch conversion unit to connect to the third end of the switch conversion unit within second duration. The collection control unit is configured to: collect a voltage (V1) between a first end of a relay and a second end of a battery pack within the first duration, collect a voltage (V2) between a second end of the relay and the second end of the battery pack within the second duration, and determine, based on V1 and V2, whether the relay is faulty.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.