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Resonant water surface wave fluctuation energy recovery device

An energy recovery device and energy recovery technology, applied in the direction of electromechanical devices, electric components, ocean energy power generation, etc., can solve the problems of low energy recovery and power generation efficiency of the device, reduction of practical value, and damage of resonance state, so as to avoid changing the vibration model , Improve energy recovery efficiency and prevent violent shock

Inactive Publication Date: 2011-06-29
CHANGAN UNIV
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  • Description
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Problems solved by technology

However, the biggest problem with this type of device is that the natural frequency of the energy recovery device is fixed. When the frequency of wave motion changes, the resonance state is destroyed, and the efficiency of energy recovery and power generation of the device becomes very low, thereby reducing the its practical value

Method used

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  • Resonant water surface wave fluctuation energy recovery device
  • Resonant water surface wave fluctuation energy recovery device
  • Resonant water surface wave fluctuation energy recovery device

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Embodiment Construction

[0017] refer to figure 1 , figure 2 , a water surface wave energy recovery device, suitable for recovering and converting ocean surface wave energy into electrical energy. The device mainly includes: an upper float body 1 and a lower float body 2 fixedly connected.

[0018] The lower float body 2 is a slender structure, and its bottom is fixed with a counterweight body 3, so that the device can maintain an upright posture in the water; the mass of the counterweight body 3 should make the upper and lower float bodies float on the water surface as a whole, and make the water surface submerge and float The sub-body 1 is about a quarter or so; the lower part of the lower float body 2 is provided with an iron anchor, and the iron anchor and the lower float body 2 are connected by a cable 4 to fix the device at a selected position to prevent drifting away.

[0019] The upper float body 1 is a closed cavity, and a wave energy recovery unit is arranged in the cavity 5, and the wav...

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Abstract

The invention relates to water surface wave fluctuation energy recovery field, and discloses a resonant water surface wave fluctuation energy recovery device, being suitable for recycling and converting ocean surface wave energy into electrical energy. The resonant water surface wave fluctuation energy recovery device comprises an upper float body which is a cavity body, wherein a wave fluctuation energy recovery unit and a frequency adjustment unit are arranged in the cavity body; in the wave fluctuation energy recovery unit, a magnet does oscillating traverse motion vertical to the axis of the induction coil under the action of water surface wave, and the induction coil moves corresponding to the magnet so as to cut magnetic line of force to generate electricity; the frequency adjustment unit contains a liquid storage tank and an additional liquid tank fixed together with the magnet, the natural vibration frequency of the wave fluctuation energy recovery unit is changed by controlling liquid quality of the additional liquid tank, and the efficiency of the wave fluctuation energy recovery unit is improved by utilizing resonance principle.

Description

technical field [0001] The invention relates to the field of water surface wave energy recovery, in particular to a resonant water surface wave energy recovery device, which is suitable for recovering ocean surface wave energy and converting it into electrical energy. Background technique [0002] Ocean waves contain huge energy, and ocean wave power generation is one of the important research directions in the field of renewable energy technology. Ocean wave power generation uses specific devices to recover the kinetic energy and potential energy contained in waves, and drives generators to generate electrical energy output. It is an inexhaustible energy source. Under the existing technical conditions, ocean wave power generation mainly has the following forms: 1) converting wave energy into air pressure energy to generate electricity. This method uses the ups and downs of waves in the air cavity to alternately generate positive and negative pressures to drive the turbine,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03B13/14H02K7/18
CPCY02E10/38Y02E10/30
Inventor 高强仝秋红曹建明王婉秦
Owner CHANGAN UNIV
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