Magnetoelectricity type micro generator

Abstract

The invention discloses a magnetoelectricity type micro generator which comprises a micro generator body and a power source. The micro generator body is a disc type permanent magnet micro generator. The power source is a wind turbine. The magnetoelectricity type micro generator obtains energy by the fact that the turbine converts wind energy, rotating mechanical energy is converted to electricity energy through the disc type permanent magnet micro generator, and the magnetoelectricity type micro generator is a high-power-energy-density micro energy device. A magnet in a rotor is an integral type axial multipole annular magnet machined with axial multipole magnetizing technology, the magnet and a magnet yoke are fixedly combined into a whole, and meanwhile a single-phase concentric type winding plane coil is used as a stator, and the coil is arranged in a floating mode. The magnetoelectricity type micro generator has the advantages of being simple in structure, small in size, large in power density, good in output voltage waveform (sine wave) and low in starting wind speed.

Description

technical field [0001] The invention relates to a generator, in particular to a magnetoelectric micro generator, which belongs to the technical field of energy development. Background technique [0002] In recent years, MEMS has been well and steadily developed. MEMS refers to a system that integrates micro sensors, micro actuators, signal processing and control circuits, interface circuits, communication systems, and power supplies. Compared with the rapid development of micro sensors and micro actuators, the development of micro energy devices is relatively slow. The difficulty mainly lies in the difficulty in manufacturing high-quality, high-power-energy-density micro-energy devices. Micro energy devices can be divided into two categories: micro chemical batteries and micro generators. The current main problem of micro-chemical batteries is that they carry limited energy, need to replenish energy regularly, and have poor self-sustaining power. The micro generator can ...

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Problems solved by technology

However, such traditional micro-generators, such as the axial-flow pneumatic micro-turbine power generation system designed by Imperial College London, the variable reluctance micro-generator designed by the University of California, Berkeley, and the planar micro-turbine designed by the research group of LEG in France Generator, a micro-generator co-designed by the Georgia Institute of Technology and the Massachusetts Institute of Technology, has a large volume, complex structure, and low conversion efficiency

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