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Piezoelectric power generation system for collecting wave energy based on flexure enhancement

A technology of piezoelectric power generation and wave energy, which is applied in the direction of ocean energy power generation, piezoelectric effect/electrostrictive or magnetostrictive motors, generators/motors, etc. Replacement, battery environmental pollution and other problems, to achieve the effect of multi-functional integration and space expansion, simple structure, and easy industrial production

Inactive Publication Date: 2020-02-11
ZHEJIANG TONGJI VOCATIONAL COLLEGE OF SCI & TECH
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Problems solved by technology

At present, most of the sensing, driving and other equipment used in engineering are powered by batteries or laying wires; among them, battery power supply will face the problem of timely replacement when the battery is exhausted, and waste batteries are more polluting to the environment; using laying wires The power supply mode is limited by the power supply area and construction difficulties, and cannot meet the engineering requirements

Method used

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  • Piezoelectric power generation system for collecting wave energy based on flexure enhancement
  • Piezoelectric power generation system for collecting wave energy based on flexure enhancement
  • Piezoelectric power generation system for collecting wave energy based on flexure enhancement

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Embodiment Construction

[0018] The purpose and effects of the present invention will become more apparent by describing the present invention in detail according to the accompanying drawings and embodiments.

[0019] Such as figure 1 As shown, the present invention is a piezoelectric power generation system based on deflection enhancement to collect wave energy, including an ellipsoidal shell 1, a cantilever beam with variable cross-section sandwich structure 2, a bottom counterweight 3, a cantilever beam free end counterweight 4, a rigid Support 5. Wherein, the rigid support 5 is fixedly connected with the inner wall of the ellipsoid shell 1, and is in the shape of a ring; as Figure 5 As shown, the inner ring of the rigid support 5 is provided with a groove; figure 2 As shown, one end of the variable cross-section sandwich structure cantilever beam 2 is embedded in the groove of the rigid support 5 and fixedly connected by five bolts, and the other end is connected to the free end counterweight ...

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Abstract

The invention discloses a piezoelectric power generation system for collecting wave energy based on flexure enhancement. The system comprises an ellipsoidal shell, a variable cross-section sandwich structure cantilever beam, a bottom balancing weight, a cantilever beam free end balancing weight and a support. Mechanical energy carried in the water flow movement process of rivers, oceans and the like is converted into electric energy, then continuous electric energy is provided for all river engineering monitoring equipment or systems, and an important guarantee is provided for achieving an online real-time monitoring system. The system has the characteristics of wide frequency band, all-weather operation, high energy density, simple structure, easiness in industrial production and realization of miniaturization and integration.

Description

technical field [0001] The invention belongs to the field of environmental energy collection and utilization, in particular to a piezoelectric power generation system for collecting wave energy based on deflection enhancement. Background technique [0002] With the intensification of the energy crisis, people began to explore the development and utilization of new clean energy (such as solar energy, ocean wave energy, wind energy and river water energy, etc.). The movement of rivers on the surface "carries" abundant mechanical energy. It has a high energy density and is not affected by rainy weather, so it can provide all-weather energy supply. Traditional river hydropower generation is mainly based on the construction of large dams, with the help of corresponding devices to drive motors to convert water energy into electrical energy. These water energy conversion devices have complex structures and high maintenance costs. On the other hand, in recent years, the country ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N2/18F03B13/14
CPCF03B13/14H02N2/186Y02E10/30
Inventor 孔德娟
Owner ZHEJIANG TONGJI VOCATIONAL COLLEGE OF SCI & TECH
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