Diagnostic system and method for electric leak detecting device
US6970807B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 28, 2004 |
| Grant date | Nov 29, 2005 |
| Priority date | — |
| Expiry date | Jun 8, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/62
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power supply unit includes a battery, a motor which is driven by the battery, an electric power converting device which is provided between the battery and the motor, a simulated electric leak generating device which generates an electric leak state between the battery and a vehicle body, and an electric leak detecting device which detects a simulated electric leak. A diagnostic system which performs a diagnosis of operating performance of the electric leak detecting device includes an opening/closing device which connects/disconnects the electric power converting device to/from the battery, and an opening/closing detecting device which detects opening/closing of the opening/closing device and which outputs a result of detection to the simulated electric leak generating device and the electric leak detecting device. When opening/closing of the opening/closing device is detected by the opening/closing detecting device, both generation of a simulated electric leak and detection of an electric leak are retried.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.