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公开(公告)号：US11489104B2
公开(公告)日：2022-11-01
申请号：US16683478
申请日：2019-11-14
申请人： Shanghai University
发明人： Huayan Pu , Dong Zhang , Min Wang , Jun Luo , Yi Sun , Chaoqun Duan , Shunqi Zhang , Yan Peng , Shaorong Xie
IPC分类号： H01L41/09 , F16F15/00 , H01L41/053
摘要： An electromagnetic-piezoelectric composite vibration control device based on a synchronized switch damping technology is provided. An upper guiding component is installed inside the upper rigid frame, a lower guiding component is installed inside a lower rigid component, a guide rod is nested inside the upper guiding component and the lower guiding component, an upper idler wheel mechanism and a lower idler wheel mechanism are fixedly sleeved on the guide rod and are positioned between the upper guiding component and the lower guiding component respectively, an electromagnetic mechanism is fixedly sleeved outside the guide rod, one end of each piezoelectric cantilever beam is fixed between the upper rigid frame and the lower rigid frame, the other end is arranged between the upper idler wheel mechanism and the lower idler wheel mechanism, and the piezoelectric cantilever beams and the electromagnetic mechanism are connected with a circuit system respectively.
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公开(公告)号：US11486461B2
公开(公告)日：2022-11-01
申请号：US16711750
申请日：2019-12-12
申请人： Shanghai University
发明人： Min Wang , Dong Zhang , Jun Luo , Huayan Pu , Yi Sun , Chaoqun Duan , Shunqi Zhang , Yan Peng , Shaorong Xie
IPC分类号： F16F15/00 , F16F13/00 , H01L41/053 , H01L41/09 , H01L41/08 , F16F15/02 , H01L41/04 , H02J7/00 , H02N2/00
摘要： 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.
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公开(公告)号：US11359692B2
公开(公告)日：2022-06-14
申请号：US16686449
申请日：2019-11-18
发明人： Jun Luo , Dong Zhang , Min Wang , Huayan Pu , Yi Sun , Chaoqun Duan , Shunqi Zhang , Yan Peng , Shaorong Xie
摘要： The present disclosure discloses a piezoelectric self-powered combination beam vibration damper and a control method thereof. An upper guiding component is installed inside an upper rigid frame, a lower guiding component is installed inside a lower rigid component, a guide rod is nested inside the upper guiding component and the lower guiding component, an upper elastic component is sleeved outside the upper idler wheel mechanism, a lower elastic component is sleeved outside the lower idler wheel mechanism, one end of each piezoelectric cantilever beam is fixed between the upper rigid frame and the lower rigid frame, the other end of each piezoelectric cantilever beam is arranged between the upper idler wheel mechanism and the lower idler wheel mechanism, at least one piezoelectric cantilever beam is connected with the input end of a circuit system, and other piezoelectric cantilever beams are connected with the output end of the circuit system.
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公开(公告)号：US20210091296A1
公开(公告)日：2021-03-25
申请号：US16683478
申请日：2019-11-14
申请人： Shanghai University
发明人： Huayan Pu , Dong Zhang , Min Wang , Jun Luo , Yi Sun , Chaoqun Duan , Shunqi Zhang , Yan Peng , Shaorong Xie
IPC分类号： H01L41/09 , F16F15/00 , H01L41/053
摘要： The present invention discloses an electromagnetic-piezoelectric composite vibration control device based on a synchronized switch damping technology, and relates to the technical field of vibration abatement. An upper rigid frame is arranged at the upper part of a lower rigid frame, an upper guiding component is installed inside the upper rigid frame, a lower guiding component is installed inside a lower rigid component, a guide rod is nested inside the upper guiding component and the lower guiding component, a load platform is fixed to the upper end of the guide rod, an upper idler wheel mechanism and a lower idler wheel mechanism are fixedly sleeved on the guide rod and are positioned between the upper guiding component and the lower guiding component respectively, an electromagnetic mechanism is fixedly sleeved outside the guide rod, an elastic component is sleeved outside the lower idler wheel mechanism, one end of each piezoelectric cantilever beam is fixed between the upper rigid frame and the lower rigid frame, the other end of each piezoelectric cantilever beam is arranged between the upper idler wheel mechanism and the lower idler wheel mechanism, and the piezoelectric cantilever beams and the electromagnetic mechanism are connected with a circuit system respectively. The device is simple in structure and reliable in performance, a voltage source does not need to be provided externally, and the device is of an adaptive characteristic.
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公开(公告)号：US20210088104A1
公开(公告)日：2021-03-25
申请号：US16711750
申请日：2019-12-12
申请人： Shanghai University
发明人： Min Wang , Dong Zhang , Jun Luo , Huayan Pu , Yi Sun , Chaoqun Duan , Shunqi Zhang , Yan Peng , Shaorong Xie
摘要： 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.
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