Magnetic coupling step-by-step excitation type fluid energy harvester

Abstract

The invention relates to a magnetic coupling step-by-step excitation type fluid energy harvester and belongs to the field of power generation. The inner side of the cylinder wall of a shell is provided with a reed, and the end portion of the shell is provided with a support. A positioning strip, a boss and a limiting plate are arranged on the left side of the vertical plate of the support. A counter bore is formed in the boss. A pin hole is formed in the limiting plate. An upper lug plate and a lower lug plate are arranged on the right side of the vertical plate. Overflowing holes and guide holes are formed in the upper lug plate and the lower lug plate. The two ends of a pin shaft are fixed in pin holes. A pin hole of a lever is arranged on the pin shaft in the sleeved mode. A suspension magnet is arranged at the end of the left arm of the lever. A magnetic block is arranged at the end of the right arm of the lever. A coil is installed in the counter bore of the boss, and energy transducers are arranged on the upper side and the lower side of the boss. The free ends of the energy transducers are provided with suspended magnets. The homosexual magnetic poles of the suspended magnets and the suspension magnet are oppositely arranged. Guide holes at the two ends of a blunt body are sleeved on to a guide column. The two ends of the guide column are respectively fixed in the guide holes of the upper lug plate and the lower lug plate. Two springs are sleeved onto the guide column. The two ends of the springs are respectively pressed on the blunt body and the upper lug plate or the lower lug plate. Magnetic strips are arranged on the wing plates of the blunt body. The opposite magnetic poles of the magnetic strips and the magnetic block are arranged oppositely.

Description

technical field [0001] The invention belongs to the technical field of power generation, and in particular relates to a magnetically coupled step-by-step excitation type fluid energy harvester for powering a river monitoring system. Background technique [0002] There are thousands of rivers all over the territory of our country. In recent years, due to insufficient treatment of industrial wastewater, soil erosion, and improper use of pesticides and fertilizers, most rivers have been polluted to a certain extent. Nearly 1 / 4 of the rivers or river sections cannot meet basic irrigation due to pollution. need. In addition, because the current flood control facilities for small and medium-sized rivers in many areas are not perfect, or even have no flood control facilities, when the flood season comes, it may lead to dangers such as embankment failure or flooding, directly threatening the lives and property safety of people along the coast. Therefore, river monitoring has been ...

AI Technical Summary

Problems solved by technology

Although some of the monitoring methods currently proposed are relatively mature at the technical level, they have not been popularized and applied on a large scale. One of the main reasons is that the power supply problem of the monitoring system has not been well resolved.

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