JP2013253591A - Method of converting wave power into compressed air - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve such a problem that wave energy of sea is hardly taken out as compressed air currently in order to use the wave energy for any purpose although the wave energy of sea is taken out and used as electric energy.SOLUTION: Wave power is taken into a bellows device in a floating body (1) as shown in Fig.(1), thereby, all devices such as a compression device are accommodated within a ship body and the power is directly transmitted to the compression device such that air can be compressed in a direction of wave rising or in a direction of wave falling. Compressed air is generated and water is once conveyed to a higher position and is stored by the conventional method. Power generation is performed with pneumatic power as much as necessary when needed. By accommodating all devices into the floating body (1), the devices are easily endured even in a severe environment on the sea and are easily maintained. By adopting a movable ship body system, response to any presumable environmental change is facilitated. Further, in the manufacturing aspect, a dock or the like of a ship yard can be used and less expenses are required.

Description

  The main object of the present invention is to change the wave force into compressed air, carry and store the liquid in a high place by this compressed air, and generate electricity with the drop energy.

  Conventionally, the main method for extracting energy from sea waves is to generate electricity.

The purpose is to create a device that is easy to use natural energy that is difficult to use and that is reliable, such as durability, in the harsh ocean of the natural environment.
First, to make it easier to use, compressed air is created by the force of sea waves, and the pressure is used to pump up water, etc., and store it so that it can generate electricity as needed.
A bellows chamber is provided in an existing oscillating water column type cylindrical part, and the water level vibration in the cylinder due to the vertical movement of the wave outside the floating body is transmitted to the top plate of the bellows chamber to move the piston of the compression device connected by a rod up and down to create compressed air. .

As shown in FIG. (1), the apparatus is composed of a floating body (1), a bellows apparatus mainly composed of a bellows chamber (4), and a compression apparatus mainly composed of a piston (8).
A hole is made in a part of the bottom plate (2) with the same dimensions as the inner diameter of the lower flange (5), and a bellows device is attached to the opening of the lower flange (5).
The compression device mounting base (3) is fixed to an appropriate position of the floating body (1), and the compression device is attached.
The lower part of the bellows device is open, but the upper part is sealed by an upper plate.
The piston (8) is connected to the top plate (6) by a rod (7).
A compression device mainly composed of a piston (8) has an air intake port and a discharge port on both sides of the piston, and is provided with a pressure valve (10), and the pressure valve (10 ) Is opened and closed to control the flow of air, and the air is compressed into the pressure tank (12) regardless of the direction of movement.
By changing the area ratio between the piston (8) and the upper surface plate (6), the pressure that can be generated in the compression device can be adjusted.
Explanation of operation The inside of the bellows device is seen by seawater.
When the sea level around the floating body (1) rises and falls, the seawater in the bellows increases and decreases, and the top plate (6) moves up and down.
When the piston (8) connected to the rod (7) also moves up and down and rises, the pressure valve (10) at the lower air intake and the pressure valve (10) at the upper outlet open due to the pressure difference, and the air is pressure tank When the air pressure is lowered, the flow direction of the air is changed by opening and closing each pressure valve (10), but the air is also accumulated in the pressure tank (12).
When the pressure to be generated is taken out high, the cross-sectional area ratio between the piston (8) and the bellows (4) may be increased.

By making the wave energy of the present invention highly compressed air, it is possible to generate water while once transporting water to a high position and storing it. When necessary, natural energy can be used as much as necessary.
By adopting a method similar to the existing vibrating water column type to extract the wave force, the entire device can be placed in a floating body, and the device can be protected from the harsh environment at sea.

An embodiment of the present invention is shown in FIG.
This device is composed of a floating body (1), a bellows device mainly composed of a bellows chamber (4), and a compression device mainly composed of a piston (8).
A hole is made in a part of the bottom plate (2) with the same dimensions as the inner diameter of the lower flange (5), and a bellows device is attached to the opening of the lower flange (5).
The compression device mounting base (3) is fixed to an appropriate position of the floating body (1), and the compression device is attached.
The lower part of the bellows device is open, but the upper part is sealed by an upper plate.
The bellows device is raised and lowered by the wave force, and the air is compressed by the piston (8) and stored in the pressure tank (12). Since this compressor compresses air both when it rises and when it descends, it can compress efficiently.
An appropriate compressed air pressure can be obtained by changing the ratio of the cross-sectional area of the jubara and the cross-sectional area of the piston (8) of the compression device.
Since all the devices operate while being stored in the floating body (1), it is easy to protect the devices from the harsh environment at sea.
It is easy to respond to changes in the marine environment that can be predicted by adopting a hull as a whole.

Effects of the embodiment

Compressed air is made, and water is once transported to a high position and stored by a known method. It is possible to generate electricity with as much hydropower as necessary.
Ensuring the device in a float increases durability and increases reliability.
It is easy to respond to changes in the marine environment that can be predicted by the hull type.

Other embodiments

Conventionally, in order to use wave energy, there are many forms in which it is directly used as electric energy, and it is difficult to control the amount.
Due to the nature, the equipment is fragile and equipment costs may increase.

It is a perspective view which shows embodiment of this invention.

[Figure 1]
DESCRIPTION OF SYMBOLS 1 Floating body 2 Bottom plate 3 Compressor mounting base 4 Bellows chamber 5 Lower flange 6 Top plate 7 Rod 8 Piston 9 Pressure seal 10 Pressure valve 11 Cylinder 12 Pressure tank 13 Air intake passage 14 Air intake port 15 Stop valve 16 Pressure hose

Claims (1)

  When the wave moves up and down outside the floating body from the existing oscillating water column system, the seawater in the cylinder increases or decreases, so it is moved up and down with bellows etc., and this force moves the piston of the compression device so that compressed air can be created .

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