Wave electric power plant (versions)

FIELD: power industry.

SUBSTANCE: wave electric power plant includes a floating hull made in the form of a cylinder, in the lower part of which there is a working chamber with inlet and outlet valves, a piston located inside the cylinder and fixed on a stock mechanically connected to a float, a circulation pipe located under the hull, a hydraulic turbine with a generator, which is interconnected with the working chamber. The electric power plant includes additional inlet and outlet valves. The circulation pipe is connected in series with one of the additional outlet valves and the hydraulic turbine, which is connected in the lower part to the additional inlet valve, and in the upper part to the generator.

EFFECT: easier offshore installation of a wave electric power plant; simpler design; improved reliability of a generator.

2 cl, 2 dwg

 

The invention relates to the field of electric power industry, in particular for apparatus for converting sea wave energy into electrical energy.

Known wave power [RF patent 2482325 C2, F03B 13/14, 20.05.2013], containing at least one float or several United floats. The float has an asymmetric shape relative to the direction of wave propagation, or the United floats are arranged asymmetrically relative to the direction of wave propagation. The specified asymmetric form or the specified asymmetric localization leads to the circular motion of the float or element linking the United floats, in response to the buoyancy effect of the sequence of waves propagating in the mentioned direction. The power plant also contains elements for converting circular motion into rotation for the selection of energy, in particular a generator.

The disadvantages of this device are the complexity of the design and installation in the open sea, and the low reliability of the generator, due to its installation directly in the water.

Known wave power [RF patent 2443900 C2, F03B 13/12, 27.02.2012], which contains an energy Converter comprising a system of gears enclosed in a housing mounted on the support above the surface of the water with an option of rotation around the vertical axis, the lever which at one end is connected with a system of gears through a one-way rotation, and the second cylindrical float. The float is equipped with a wave fin for orientation in the direction of the waves and freely rotates on the axis of the lever, compensating differences of wave forces on the ends of the float. An electric generator mounted on the support above the water surface and connected to the energy Converter.

The disadvantages of this device are the complexity of the design and installation in the open sea.

Known wave power [RF patent 2482326 C2, F03B 13/20, 27.02.2013] containing a floating hull, mechanical energy Converter of the waves, made in the form of a horizontally installed drove, with one end connected with a vertically and pivotally mounted on the body shaft connected to the rotor of the generator, the stator of which is connected with the floating body, and the other end provided with a weight. The power plant is equipped with additional floats, connected with the housing by means of the telescopic pull-out mechanisms, with the possibility to adjust the total length of the floating part of the hull and floats, equal to the half-length of the wave. Drove equipped with a telescopic pull-out mechanism for moving the mass relative to the drive shaft of the generator.

The disadvantages of this device are clonos the ü design and installation in the open sea.

Known wave power plant [RF patent 128669 U1, F03B 13/14, 27.05.2013], containing two hollow container in the form of glasses, mounted at a distance from each other above the bottom of the reservoir open part down, partially filled with air and attached to the upper part of the lines to the other ends of which are connected to the device energy conversion, and the pipeline laid on the bottom of the reservoir shore, on which it is installed energy conversion.

The disadvantages of this device are the complexity of the design and installation in the open sea.

Known tidal wave power plant on the basis of two turbines [RF patent 123255 U1, H02K 7/18, 20.12.2012], each of which has at least two disks connected by the axis on which the hinged blades, the movement of which is limited to the primary and secondary latches, and turbine pivotally mounted on a common axis, fixed in the frame, part of which is fixed on the bottom, and the other part includes the area on the surface where the gearbox and the generator associated with PTO, thus in one turbine main tabs are on the right side of the blades, while the other turbine main tabs are on the left side of the blades and the adjacent turbine disks provided with bevel gears, which is equipped with a conical gear-pinions, pivoted on an axis perpendicular to a common axis turbines, and one of the gears-satellites rigidly attached to the shaft, facing to the platform on the surface.

The disadvantages of this device are the complexity of the design and installation in the open sea.

Closest to the technical essence and the achieved result to the claimed wave power is a wave energy plant [see SU 1025910 AND 30.06.1983, F03B 13/12], comprising a floating body, made in the form of a cylinder, the bottom of which is located the working chamber with inlet and exhaust valves, a piston located within the cylinder and mounted on a shaft which is mechanically connected with the float tube circulation below the housing, a turbine with a generator, in communication with the working chamber.

The disadvantages of this device are the complexity of the design and installation in the open sea, and the low reliability of the generator, due to its installation directly in the water.

The objective of the invention is to simplify the installation of wave power station in the open sea, due to the implementation of all its elements in a floating body, simplifying the design and improving the reliability of the generator, due to the presence of additional intake and exhaust valves in the pipe circulation.

T is Henichesk the result is increased efficiency and the specific gravity (the ratio of the mass to the power output) of the wave power plant, provides conversion of energy fluctuations of the waves from any direction into electrical energy.

The problem is solved and the technical result according to the first embodiment is achieved by the fact that the wave power plant containing a floating body made in the form of a cylinder, the bottom of which is located the working chamber with inlet and exhaust valves, a piston located within the cylinder and attached to the rod is mechanically connected to the float tube circulation below the housing, a turbine with a generator, in communication with the working chamber, according to the invention the installation of wave power station in the open sea is simplified thanks to the implementation of all its elements in a floating body, as it contains additional intake and exhaust valves, thus the circulation pipe connected in series with one of the additional exhaust valve and the turbine, which with a lower part connected to the additional intake valve, and in the upper part - with the generator, and the flow of water through a specified additional exhaust valve after the exhaust valve enters the turbine, and the excess flow of water from the circulation pipe out through the other exhaust valve.

The problem is solved and the technical result according to the second variant is achieved t is m, that wave power plant containing a floating body made in the form of a cylinder, the bottom of which is located the working chamber with inlet and exhaust valves, a piston located within the cylinder and attached to the rod is mechanically connected to the float tube circulation below the housing, a turbine with a generator, in communication with the working chamber, according to the invention the installation of wave power station in the open sea is simplified thanks to the implementation of all its elements in a floating body, as it contains additional intake and exhaust valves, and the circulation pipe connected in series with one of the additional exhaust valve and the turbine, which the lower part is connected to the additional intake valve, and in the upper part - with the generator, and the flow of water through a specified additional exhaust valve after the exhaust valve enters the turbine, and the excess flow of water from the circulation pipe out through the other exhaust valve, in addition, inside the housing is a coil installed in the slots of the magnetic core, and along the piston are two-pole magnets to isolate and magnetic circuits installed the screen, and to maintain maximum oscillation system piston-rod-float between the bottom of to the of Cusa and the piston is spring.

The invention is illustrated by drawings. In Fig. 1 shows a wave power plant according to the first embodiment of Fig. 2 shows the wave power plant according to the second option.

The proposed device according to the first embodiment includes (Fig. 1) case 1 is made in the form of a cylinder, the bottom of which is located the inlet 2 and outlet 3 of the valve operating chamber 4. Under case 1 is the circulation pipe 5, series connected with the exhaust valve 6 and the turbine 7, which lower part is connected with the inlet valve 8, and the upper part is connected to the generator 9. The turbine 7 is connected with the working chamber 4 through the exhaust valve 2 and the exhaust pipe 10 through the discharge valve 11. Inside the housing 1 is located a piston 12 mounted on the rod 13, is mechanically connected to the float 14.

The proposed device according to the second variant contains (Fig. 2) case 1 made in the form of a cylinder, the bottom of which is located the inlet 2 and outlet 3 of the valve operating chamber 4. Under case 1 is the circulation pipe 5, series connected with the exhaust valve 6 and the turbine 7, which lower part is connected with the inlet valve 8, and the upper part is connected to the generator 9. The turbine 7 is connected with the working chamber 4 through the exhaust valve 2 and the exhaust pipe 10 through the discharge valve 11. Inside it is rpusa 1 is a piston 12, fixed on the shaft 13, is mechanically connected to the float 14. Inside the housing 1 there is a coil 15 mounted in the slots of the magnetic core 16, along the piston 12 are two-pole magnets 17. For insulation of coils 15 and two-pole magnet 16 from the water, set the screen 18, and for maximum sustain oscillations of a system of "piston 12 and the rod 13 of the float 14" between the bottom of the housing 1 and the piston is spring 19.

The wave power plant according to the first embodiment is as follows. When external vibrations in the water in motion is a float 14 through the rod 13, the vibrations are transferred to the piston 12, i.e., in a mechanical system vibrations may occur, the direction and amplitude of which depend on the external disturbance. As a result of fluctuations under the piston 12 there is an alternating pressure, which is used to circulate water under the piston. For this purpose in the lower part of the structure are the inlet valve 8, which sucks the water during the ascent of the piston 12, the result is a stream of water that flows into the turbine 7. The turbine 7 is mechanically connected to the generator 9. Then through the intake valve 2, the flow of water enters into the working chamber 4, and the descent of the piston through the exhaust valve 3, the flow of water passes through the circulation pipe 5 and through the exhaust valve 6 again is fully in the turbine 7. Excess water flow out through the exhaust pipe 10 through the valve 11.

Wave power plant according to the second embodiment is as follows. When external vibrations in the water in motion is a float 14, through shaft 13 vibrations are transferred to the piston 12 with bipolar magnets 17, i.e., in a mechanical system vibrations may occur, the direction and amplitude of which depend on the external disturbance. According to the law of electromagnetic induction in the coil 15, mounted in the magnetic core 16, the induced EMF. The magnitude of the EMF depends on the parameters of the oscillations of a system "float 14 - rod 13 of the piston 12". Between the piston 12 and the magnetic core 16 is a screen 18 to isolate the coil 15 and the two-pole magnets 17 from the water. For maximum sustain oscillations at the bottom of the housing 1 is located a spring 19 attached to the piston 12. As a result of fluctuations under the piston 12 there is an alternating pressure, which is used to circulate water under the piston. For this purpose in the lower part of the structure are the inlet valve 8, which sucks the water during the ascent of the piston 12, the result is a stream of water that flows into the turbine 7. The turbine 7 is mechanically connected to the generator 9. Then through the intake valve 2, the flow of water enters into the working chamber 4 and the descent of the piston through the exhaust valve is 3, the flow of water passes through the circulation pipe 5, and through the exhaust valve 6 again enters the turbine 7. Excess water flow out through the exhaust pipe 10 through the valve 11.

Thus, the claimed invention allows to extend the functionality to simplify the design and increase the efficiency of wave power station, due to the use of bipolar magnets on the piston in magnetic conjunction with coils.

The resulting energy fluctuations of the waves is used to maximum effect.

1. Wave power plant containing a floating body made in the form of a cylinder, the bottom of which is located the working chamber with inlet and exhaust valves, a piston located within the cylinder and attached to the rod is mechanically connected to the float tube circulation below the housing, a turbine with a generator, in communication with the working chamber, characterized in that it contains additional intake and exhaust valves, and the circulation pipe connected in series with one of the additional exhaust valve and the turbine, which with a lower part connected to the additional intake valve, and in the upper part - with the generator.

2. Wave power plant containing a floating body made in the form of a cylinder, the bottom of which is located the working chamber with inlet and exhaust valves, the piston is located is built inside the cylinder and fixed to the rod, mechanically connected to the float tube circulation below the casing, the turbine - generator, in communication with the working chamber, characterized in that it contains additional intake and exhaust valves, and the circulation pipe connected in series with one of the additional exhaust valve and the turbine, which with a lower part connected to the additional intake valve, and in the upper part - with the generator, in addition, inside the housing is a coil installed in the slots of the magnetic core, and along the piston are two-pole magnets to isolate and magnetic circuits installed screen, and for maximum sustain oscillations of a system piston - rod - float between the bottom of the housing and the piston is spring.



 

Same patents:

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EFFECT: increasing the efficiency in generating energy.

23 cl, 21 dwg

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