System for monitoring the state of a battery
US8635038B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2011 |
| Grant date | Jan 21, 2014 |
| Priority date | — |
| Expiry date | Feb 4, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/389
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention is a monitoring system for a battery having a plurality of accumulators. The system comprises apparatus for measuring the voltage on the terminals of each accumulator; measuring the temperature of the battery; measuring the current flowing through the battery, calculating a voltage difference between a maximum voltage measured on the terminals of one of the accumulators and a minimum voltage measured on the terminals of one of the accumulators; comparing the voltage difference with at least one threshold value depending on the measured temperature and current, and reporting an error if the voltage difference is greater than or equal to the at least one threshold value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.