Piezoelectric type hydro-generator used for river monitoring

Abstract

The invention relates to a piezoelectric type hydro-generator used for river monitoring, and belongs to the field of river monitoring. The end part of a thick pipe wall of a left pipe and a flange at the end part of a right pipe wall are connected to form an annular cavity; a rotary plate is arranged in the annular cavity, wherein blades are arranged on the inner edge, rolling beads are arranged on the outer edge, and exciting magnets are arranged on the two sides of the rotary plate respectively; the each rolling bead props against the sliding way in the thick pipe wall of the left pipe; a framework is mounted on the bosses on the left pipe thin pipe wall and the right pipe wall; a pin shaft is arranged in the guiding holes in the front and back side plates of the framework in a sleeving manner; the pin shaft is sleeved with guiding plates and internal and external springs; an excited magnet is mounted at one end, close to the front side plate, of the pin shaft; the guiding plate close to the front side plate is fixed by a clamping spring; the internal and external springs are arranged on the two sides of the front side plate; the two ends of a metal substrate of a piezoelectric vibrator are fixed on the fixed guiding plate and the back side plate; and the substrate between two adjacent piezoelectric crystal plates is fixed on the slidable guiding plate. The piezoelectric type hydro-generator has the advantages that the flat and straight piezoelectric vibrator is mounted with a bending structure, so that the piezoelectric type hydro-generator is simple in process and low in cost; the piezoelectric crystal plates only bear pressure stress, so that high reliability is achieved; and in addition, the electric energy production can be increased easily by increasing the number of the piezoelectric vibrators and prolonging the length of the piezoelectric vibrators.

Description

technical field [0001] The invention belongs to the technical field of river monitoring, and in particular relates to a piezoelectric hydroelectric generator for river monitoring. Background technique [0002] There are thousands of rivers all over the territory of our country. In recent years, due to insufficient treatment of industrial waste water, soil erosion, improper use of pesticides and chemical fertilizers, etc., most rivers have been polluted to a certain extent. Nearly a quarter of the rivers or river sections cannot meet the basic requirements due to pollution. irrigation needs. In addition, because the current flood control facilities for small and medium-sized rivers in many areas are not perfect, or even do not have any flood control facilities, when the flood season comes, it may cause dangers such as embankment failure or flooding, directly threatening the lives and property safety of people along the coast. Therefore, river monitoring has been highly valu...

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems existing in the power supply of the existing river monitoring system, the present invention proposes a piezoelectric hydroelectric generator for river monitoring

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