Master-slave type battery management system for accurate capacity guage of battery pack
US9431684B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2014 |
| Grant date | Aug 30, 2016 |
| Priority date | — |
| Expiry date | Mar 15, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A master-slave type battery management system for accurate capacity gauge of battery packs is disclosed. It includes several battery management units linked to each other via a communication line. Each battery management unit is linked to a specified rechargeable battery set to manage the specified rechargeable battery set, detect a physical measurement data from the specified rechargeable battery set and calculates battery set capacity related value based on the physical measurement data. Each battery management unit has a unique battery ID. By assigning a battery management unit having a specified battery ID as a master battery management unit, the rest battery management units become slave battery management units. Each slave battery management unit sends the physical measurement data and battery set capacity related value to the master battery management unit via the communication line. The master battery management unit is in charge of calculating related values and transmitting them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.