5 results about "Energy harvesting" patented technology

The invention discloses an energy recovery device utilizing piezoelectric stack energy harvesting. The energy recovery device comprises a support, a lever amplification assembly connected with the support, a piezoelectric stack arranged between the support and the lever amplification assembly and used for converting mechanical energy of a lever amplification mechanism into electric energy to be output, and a pre-tightening assembly. According to the energy recovery device for capturing energy by utilizing the piezoelectric stack, deformation generated by vibration of the excitation source canbe effectively converted into excitation force acting on the piezoelectric stack through the amplification mechanism, so that the piezoelectric stack generates greater deformation, and energy output is increased; the output current can be remarkably increased, the output impedance of the energy recovery device is reduced, and the energy conversion efficiency is effectively improved; the device hasthe technical advantages of being simple in mechanical structure, convenient to machine and the like, energy can be supplied to an intelligent equipment system through energy collection, and the device has wide application prospects in the fields of wireless technologies and electromechanical systems.

The invention discloses a wireless mouse capable of supplying energy automatically. The wireless mouse comprises a shell, an energy conversion module and an energy collection module, wherein the energy conversion module converts movement of the mouse into electric energy based on electromagnetic induction; the energy conversion module comprises a self-collection cavity, a magnetic layer and an actuator; the self-collection cavity is arranged in the shell, and the magnetic layer is arranged in the self-collection cavity; the actuator moves along with the movement of the mouse in the self-collection cavity to perform magnetic induction line cutting motion and generate inductive electromotive force; and the energy collection module is used for collecting the electric energy generated by the energy conversion module. The actuator can convert mechanical energy into electric energy through electromagnetic induction in the self-collection cavity to charge a rechargeable battery so as to meet the automatic energy supply function of the mouse and can also adjust and control weight distribution of the mouse to meet requirements of different users, and therefore energy conservation and individualized demands are combined.

The invention discloses an energy collecting device and a method for forming the energy collecting device. In the embodiments of one or a plurality of devices, the energy collecting device comprises a ferroelectric material, and a first electrode and a second electrode which are adjacent to the ferroelectric material.