Wave power plant

FIELD: power engineering.

SUBSTANCE: plant is designed for generating power by conversion of energy of sea waves. Proposed wave power plant is mounted on pontoon and provided in nose part with bellows with bottom from wave side and longitudinal bell with vertical tube arranged over bellows accommodating electric generator with mechanical converter, and in center of pontoon behind the bell, box-shaped vertical air duct is installed divided by vertical partition into two parts and communicating with pontoon through two check valves. Windwheel with blades is installed in cut of partition, being mechanically connected through shaft with electric generator. Bellows chamber with bottom is installed in stern part of pontoon. Holes are made in wall of pontoon between spaces of bellows and pontoon, and in wall of pontoon bottom between spaces of bellows chamber and pontoon to pass compressed air inside pontoon, and electric generators are installed.

EFFECT: provision of more complete utilization of energy of sea waves.

8 cl, 3 dwg

 

The invention relates to hydropower and can be used to produce electrical energy by converting mechanical energy of the waves.

Known wave power installation comprising a side pontoons connected with a vertical pipe in which installed generator with a conversion mechanism (A.S. 1469202, F03 13/12).

This setting is not fixed in a certain place anchor, and therefore the selection of its power is very limited. A sufficiently high efficiency of this installation is only possible for a certain wavelength.

Known wind turbine comprising a vertical shaft with brackets and blades to the shaft radially attached plate, the ends of which are mounted electrical contact with the blade (Patent RF №2203434, F03D 3/06).

Design of a wind turbine does not provide for conversion of wave energy into electrical energy.

Known floating breakwater containing pontoons, United in pairs by links, and under the bottom of the pontoons attached stabilizing plate (A.S. 379725, F02 3/06).

The prototype is a wave power plant according to the patent of Russian Federation №2080478, F03 13/20 containing an open bottom housing with an air turbine connected to a generator. The housing is mounted for movement on upravlyayuschim, mounted on piles driven into the seabed, and between the housing and the surface of the sea placed closed sides and bottom of the corrugated sheath (bellows).

However, the installation of the prototype is not intended for the energy of the shock wave and therefore is not effective when operating in the coastal zone. It is installed in the open sea, far from shore, which leads to difficulties in the transfer of produced energy coastal consumers. In ocean tides and low tides work set is blocked, because the slope of the water during high tide captures the compression of the bellows, and the water level at low tide does not reach the bottom of the bellows. Electric power installation is only an air turbine.

To eliminate the above disadvantages of the proposed wave energy installation comprising a pontoon, which is focused nose toward the movement of waves. In the bow of the pontoon has a bellows with a bottom of the receiving main shock force of the waves, and to the aft bottom of the pontoon pivotally attached bellows camera, catching a wave that has passed under the bottom of the pontoon. On the wall of the pontoon between the cavities of the bellows and of the pontoon, and on the wall of the bottom of the pontoon between the cavities bellows camera and pontoon, made holes for passing compressed air into pontoni installed generators, which elastic disks through the gap in contact with the elastic plate connected with rods from the bottom of the camera. In the bow of the pontoon above the bellows has a longitudinal socket, the spectacular crest of a wave. Over the cowl installed vertical pipe inside the generator with a mechanical transducer. In the center of the pontoon, with the socket, a vertically installed duct box section, which is divided into two parts by a vertical partition. In the context of vertical partitions installed vetrano wheel with blades, which is mechanically communicated via a shaft to a generator. Over the duct mounted probe, protecting it from external influences. Constant pressure in the pontoon supported non-return valves. Aft pontoon for duct mounted electric shield associated with the onshore substation.

The impact energy of the primary mass waves of the sea affects the bottom nose of the bellows, the crest of a wave enters the socket and the residual wave comes under the pontoon and affects the bottom bellows camera that is installed in the aft bottom of the pontoon. Thus, the wave power plant splits the wave into three parts and converts the energy of all wave into electrical energy.

Figure 1 - wave energy is Kaya installation (General view).

2 is a wave - power unit (type a-A).

Figure 3 - electric generator.

Wave power plant comprises a pontoon 1, in the rear part of the bottom 2 of which by means of hinge 3 is attached bellows camera 4 and the bottom 5. The bow of the pontoon 1 (by waves) is attached to the bellows 6 and the bottom 7, which has a socket 8 with a vertical pipe 9 mounted inside the generator 10 with the conversion mechanism 11. On the sides of the socket 8 is attached drain pipe 12. In the center of the pontoon 1, with the socket 8, a vertically installed duct 13 box section, divided by a partition 14 into two parts. In the context of partitions installed vetrano wheel 15 with blades 16 which is mechanically communicated through shaft 17 to an electric generator 18. The top of the duct 13 is installed probe 19, and the bottom right part of the hinge 20 of inlet valve 21, in the left part of the hinge 22 is pressed by the flat spring 23 and exhaust valve 24. On the wall 25 of the pontoon 1 is made holes 26 and installed generators 27, which resilient disk 28 through the gap (a) in contact with the elastic plate 29 connected by means of rods 30 with the bottom 7 of the bellows 6. On the wall 2 of the bottom of the pontoon 1 is made holes 31 and installed the generators 32, which elastic disk 33 through the gap (b) in contact with the elastic plate 34 is United with bent rods 35 with the bottom 5 bellows camera 4.

For the duct 13, at the stern of the pontoon 1 is an electric shield 36 rack 37 which is connected by cable 38 with the onshore substation (not shown). Bus power supply 36 is connected by wires (not shown) with the generators 18, 10, 27 and 32. The bottom 5 bellows chamber 4 from the outside is rigidly attached visor 37, made in the form of a vertical plate or elastic rubber. The retention and provision of required orientation (working position) of the wave power plant is provided anchor links 38. The generators 27 and 32 are identical in construction. They have movable rotor 39 and the stationary stator 40. The spring 41 rested in the wall 25 on the one hand and the resilient disk 28, with rubber disc 42. To the plate 29 attached rubber plate 43 (see RF Patent №2203434, F 03 D 3/06).

The diameter of the discharge pipe 12 is chosen based temporary filling funnel 8 volume of water to raise the generator 10 in the pipe 9 to the upper limit. To implement this process at the ends of the drain pipe 12 is fitted with removable washers with celebrowanie holes (not shown).

Clearance (a) is chosen from the calculation:

a=PSF-Peh(cm)

where PSF- the maximum displacement of the bellows,

Peh- the maximum displacement of the rotor of the generator.

The gap (b) is chosen in this way.

the Bellows 6 are of rectangular shape, bellows camera 4 is an inclined plane, a side view and a rectangular shape, bottom view.

Wave power plant works as follows.

Suitable from sea wave affects its main weight on the bottom 7 of the bellows 6. 2/3 wave their power to compress the bellows 6, penetrate under the pontoon 1 and compress the bellows chamber 4. Compressed air is supplied to the pontoon 1 through the openings 26 and 31 in the wall 25 and the bottom 2 of the pontoon, which causes a pressure difference between the cavity of the body of the pontoon 1 and the outer atmosphere. Due to the created pressure differential opens the exhaust air valve 21, which produces feed duct 13 excess pressure. Vetrano wheel 15 through the air flow will turn. In the interval of absence the next wave of the bellows 6 and the bellows chamber 4 will occupy its original position. Within the body of the pontoon 1 at this point occurs the vacuum, and therefore, the channel of the duct 13 will go down the air flow at arbitrary closing of the exhaust valve 21 and the opening of the inlet valve 24. Vetrano wheel 15 and lowering the airflow channel of the duct 13 will continue to turn. Vetrano wheel 15 rotates via the shaft 17 will rotate the generator 18.

Further, the above cycles will be repeated. The visor 37 attached to the bottom 5 silfo the Noah camera 4, creates additional resistance energy waves under the pontoon 1 and, thereby, increases the pressure bellows chamber 4 to the bottom of the pontoon 1.

Compression of the bellows 6 and the bellows chamber 4 wave is transmitted through the rods 30 and the plate 29 on the elastic disks 28 generators 27. At this point, the rotors of the generators 27 and 32 are moved into the working position. After exposure to wave the bellows 6 and the bellows chamber 4 will occupy its original position, and springs generators 27 will return the rotor to its original position. With repeated compression wave of the bellows 6 and the bellows chamber 4 cycle to produce electricity from generators 27 and 32 will be repeated.

The generators 27, posted on the wall 25, is installed by rows, i.e., one or more rows across the wall 25. The generators 32, located on the bottom 2 of the pontoon 1, installed as rows across the bottom 2.

About 1/3 of the wave penetrates into the socket 8 and the pipe 9, thereby raises the generator 10, then the water from the pipe 9 flows through pipes 12 and from the cowl 8 over the side of the pontoon 1. The generator 10 is lowered into the lower position.

The electricity generated by wave energy system, namely the generators 10, 18, 27 and 32, is supplied to the electrical panel 36 and cable 38 is fed to the onshore substation.

Thus, the proposed wave energy is a mini-installation almost completely uses the mechanical energy of the waves, specific electricity generation per unit of its weight above the known plants, and its design eliminates the influence of sea tides on its operation. The transfer of produced energy by the generators to the electrical panel and then through the cable to the onshore power plant can significantly reduce the cost of electricity transmission. Install location near the shore allows you to protect the water area and the shore from their gradual destruction due to a significant reduction in wave energy, appropriate from the sea side.

1. The wave power installation comprising a bellows and an air turbine connected to a generator, wherein the plant is mounted on a pontoon, in the fore part of which side of the wave has the bellows to the bottom, above the bellows is placed a longitudinal socket with a vertical pipe inside of which is installed an electric generator with a mechanical transducer, in the rear part of the bottom of the pontoon installed bellows chamber with a bottom and in the center of the pontoon with the cowl installed vertical duct box section, separated by a vertical partition into two parts, connected with the pontoon through two non-return valve, and in the context of partitions mounted air turbine, made in as wind wheel with blades, which mechanically soo is attached via a shaft to a generator, and on the wall of the pontoon between the cavities of the bellows and of the pontoon, and on the wall of the bottom of the pontoon between the cavities bellows camera and pontoon, made holes for passing compressed air to the inside of the pontoon and installed generators.

2. Installation according to claim 1, characterized in that the generators installed on the wall of the pontoon between the cavities of the bellows and of the pontoon, and on the wall of the bottom of the pontoon between the cavities bellows camera and pontoon, elastic disks through the gap in contact with the elastic plate connected with rods from the bottom of the bellows chamber and the bottom of the bellows.

3. Installation according to claim 1, characterized in that the width d of the gap (a) and (b) selected based

d=PSF-Peh(cm)

where PSF- the maximum displacement of the bellows;

Peh- the maximum displacement of the rotor of the generator.

4. Installation according to claim 1, characterized in that the generators installed by rows, that is, in one or more rows.

5. Installation according to claim 1, characterized in that all the generators are connected with the tire switchboard installed in the stern of the pontoon, which in turn is connected by a cable to an onshore substation.

6. Installation according to claim 1, characterized in that the bellows chamber is connected with the bottom of the pontoon hinge.

7. the situation according to claim 1, characterized in that the duct mounted probe, protecting it from external influences.

8. Installation according to claim 1, characterized in that the side of the bell posted drain pipe, the diameter of which are based temporary filling funnel volume of water sufficient to bring the generator into the tube until the upper limit, which at the ends of the drain pipes set removable washers with calibrated holes.



 

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