Self-powered vibration damper based on piezoelectricity and control method thereof
US11486461B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2019 |
| Grant date | Nov 1, 2022 |
| Priority date | — |
| Expiry date | Jan 6, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/88
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a self-powered vibration damper based on piezoelectricity and a control method. The damper comprises a loading platform, an energy collecting mechanism, a curved leaf spring, a vibration control mechanism and a substrate all connected in sequence, the circuit system comprises a rectifier circuit, a DC-DC voltage conversion circuit, an energy storage circuit, a control circuit and a charging battery, a first piezoelectric stack is connected with the input end of the rectifier circuit, the output end of the rectifier circuit is connected with the input end of the DC-DC voltage conversion circuit, the output end of the DC-DC voltage conversion circuit is connected with the input ends of the energy storage circuit and the charging battery, the output end of the energy storage circuit is connected with the input end of the control circuit, the output end of the control circuit is connected with the second piezoelectric stack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.