Battery heating circuits and methods using resonance components in series based on current limiting and voltage inversion with bi-directionality
US8816647B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2011 |
| Grant date | Aug 26, 2014 |
| Priority date | — |
| Expiry date | Mar 31, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
According to some embodiments of the present invention, a battery heating circuit includes a switch unit, a switching control module, a damping component, an energy storage circuit, and an energy superposition unit, wherein: the energy storage circuit is connected with the battery and includes a current storage component and a charge storage component; the damping component, the switch unit, the current storage component, and the charge storage component are connected in series; the switching control module is connected with the switch unit, and configured to control ON/OFF of the switch unit, so as to control the energy flowing between the battery and the energy storage circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.