Method for reconnecting a relay in a vehicle battery management system
US9381816B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 13, 2015 |
| Grant date | Jul 5, 2016 |
| Priority date | — |
| Expiry date | Feb 13, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method for reconnecting a relay in a vehicle battery management system includes: measuring an insulation resistance between a positive electrode or a negative electrode of a battery and a vehicle chassis; turning off each of relays connected between the positive and negative electrodes of the battery and a load when the measured insulation resistance is less than a reference value; re-measuring the insulation resistance; and performing a relay-on sequence for turning on each of the relays when the resistance value of the re-measured insulation resistance is greater than the reference value. A relay reconnection number of the relay-on sequence, based on a repetition of the measuring and re-measuring, is set and limited so as to not exceed a threshold value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.