Oscillating water column type wave power generating device based on piezoelectric effect

Abstract

The invention discloses an oscillating water column type wave power generating device based on the piezoelectric effect. The device comprises an automatic direction-adjustment wave energy collecting mechanism, an air pressure energy storage mechanism, an air-driving piezoelectric generating mechanism and a multi-freedom-degree brush mechanism used for transmitting electric energy of the air-driving piezoelectric generating mechanism; the automatic direction-adjustment wave energy collecting mechanism comprises an oscillating water column type wave power collector, a direction-adjustment empennage and a location portion used for installing and locating the oscillating water column type wave power collector; the air pressure energy storage mechanism comprises a pressure energy storage device, and an oscillating water column air chamber is communicated with the pressure energy storage device through an air inlet pipe; the air-driving piezoelectric generating mechanism comprises piezoelectric patches and a compression driving portion used for compressing the piezoelectric patches. By means of the oscillating water column type wave power generating device, sustainable and durable electric energy can be provided, and the wireless energy supply problem of small and medium size electric appliance in the sea is solved.

Description

technical field [0001] The invention relates to the field of sustainable power generation, in particular to an oscillating water column type wave energy power generation device based on piezoelectric effect. Background technique [0002] With the development of the information age, lighthouses, wireless sensing devices and other low-power electrical devices in the ocean have become an indispensable part of information transmission and conversion, and the operation of these devices is inseparable from continuous and long-term power supply. Traditional Batteries such as chemical batteries are difficult to meet the multi-point deployment of wireless sensor networks due to their limited service life, especially in the vast sea level environment and national defense security monitoring requirements. The development of long-term stable energy supply methods has become a key technical problem to be solved in this field. Contents of the invention [0003] In order to avoid the sh...

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Problems solved by technology

[0002] With the development of the information age, lighthouses, wireless sensing devices and other low-power electrical devices in the ocean have become an indispensable part of information transmission and conversion, and the operation of these devices cannot be separated from continuous and long-term power supply. Traditional Batteries such as chemical batteries are difficult to meet the multi-point deployment of wireless sensor networks due to their limited service life, especially in the vast sea level environment and national defense security monitoring requirements

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