Battery heating circuits and methods based on battery discharging and charging using resonance components in series and multiple charge storage components
US9120394B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 7, 2012 |
| Grant date | Sep 1, 2015 |
| Priority date | — |
| Expiry date | Aug 24, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Certain embodiments of the present invention provide a battery heating circuit, comprising a plurality of switch units 1, a switching control module 100, a damping component R1, an energy storage circuit, and a polarity inversion unit 101, wherein: the energy storage circuit is connected with the battery, and comprises a current storage component L1 and a plurality of charge storage components C1; the plurality of charge storage components C1 are connected with the plurality of switch units 1 in series in one-to-one correspondence to form a plurality of branches; the plurality of branches is connected in parallel with each other and then connected with the current storage component L1 and damping component R1 in series; the switching control module 100 is connected with the switch units 1, and is configured to control ON/OFF of the switch units 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.