Battery array voltage equalization device
US8237406B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2009 |
| Grant date | Aug 7, 2012 |
| Priority date | — |
| Expiry date | Sep 19, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a battery array voltage equalization device comprising: a sampling unit which samples the battery voltage signals of the battery array according to a sampling control signal; an analog-to-digital converting unit which converts the sampled voltage signals into a digital voltage signal; a control unit which generates the sampling control signal and a driving signal based on the digital voltage signal; an equalization unit which equalizes the voltage signals of the battery array based on the driving signal; a filter unit which is connected to the equalization unit and the battery array. The present invention applies the filter unit to filter out the ripple signal generated during equalization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.