Wave power plant
(57) Abstract:The essence of the invention: floating, partially filled with the working fluid case with convex poverhnosti the bottom of the divided hollow vertical partition into two communicated among themselves at the bottom of the compression chamber to the suction valves. The air manifold of the consumer connected to the camera check valves. The lower surface of the partitions are made curved, streamlined shape. The air manifold is formed by the inner cavity walls. The configuration of the bottom of the housing has the shape of two connected cylindrical poverhnosti with different radii of curvature, with a large surface located on the sea side. The consumer is made in the form of turbo-generator is installed on the air manifold. 2 C. p. F.-ly, 6 ill. The present invention relates to hydropower, in particular to power plants that use the energy of the waves.Known wave power plant, the so-called "Salter duck", which is a swing on the wave of the ship, sending the swing of his corps to the shaft associated with the energy Converter (see the book D. Ross wave power, M. , 1981, S. 78-80).The disadvantage is that the formers energy, in conditions, when this shaft is fixed garland "ducks" oscillating asynchronously.Also known wave power installation comprising a floating partially filled with the working fluid body with a convex bottom surface separated by a hollow vertical partition into two communicated among themselves at the bottom of the compression chamber with the suction valve, and the air collector user connected to the compression chambers by means of check valves (see U.S. patent N 4364715, CL 417-100, 1982).The disadvantage of this technical solution is some design complexity, namely, that two partitions are element capacity, creating buoyancy installation and connection of cameras compression is achieved through a flexible hose.In addition, this design due to adverse hydraulic shape has a large energy loss.The purpose of the invention is the increased efficiency and simplifying the design.Achieved this goal that the proposed wave energy installation comprising a floating partially filled with the working fluid body with a convex bottom surface, RA is ture compression with suction valves, and the air manifold of the consumer connected to the compression chambers by means of check valves, the lower surface of the septum is made of a curved streamlined shape, the air manifold is formed throughout its internal cavity, and the configuration of the bottom of the housing has the shape of two connected cylindrical surfaces with different radii of curvature, with a large surface located on the sea side, while the consumer is made in the form of turbo-generator is installed on the air manifold. In the bottom of the case can be installed valve for filling with water the internal cavity of the housing, which improves the reliability of the installation by immersion under the water level.Alternatively, the wave energy installation is achieved can be directly connected to the compression chambers, the consumer in the form of a turbo-generator with turbine unilateral rotation and installed within the air manifold and the surface of the working fluid is covered with a layer of mineral oil.In Fig. 1 shows an installation, General view; Fig. 2 - installation in plan; Fig. 3 - installation, fixed to the bottom of the 4 piles; Fig. 4 - set in working position; Fig. 5 and 6 embodiments of the set the second surface of the bottom 2, the configuration which has the shape of two connected cylindrical surfaces with different radii of curvature R1and R2and from the sea the radius of the circle R2more R1. The housing 1 is partially filled with the working fluid 3. Inside the housing 1 is made hollow vertical partition 4, which is achieved. In the lower part 5, the baffle-air manifold 4 are curved streamlined.Partition 4 divides the housing 1 compression chamber 6 and 7 are hydraulically interconnected and having a suction air valves 8 and 9. Partition-air manifold has inlet valves 10 and 11 for the compressed air.Installation under the action of waves is rotated relative to the hinge 12, which is located in the center of the housing 1.Installation is attached to the bottom using the anchor device 13, or fixed by means of scored in the bottom four piles 14 (which guides hinge 12 at the tides-the tides).In the bottom 2 of the housing 1 is mounted a valve 15 for flooding hull seawater with a substantial excess of the estimated wave. The air manifold is mounted turbine generator, consisting of an air turbine 16 and the generator 17.With the passage of the trough is a similar operation, but in this case, the chamber 6 becomes a compression chamber, and the camera 7 camera suction air. The air manifold 4 provides the pressure leveling before the air turbine of the turbogenerator when changing cycles of the cameras 6 and 7.When approaching waves exceeding the calculated, installation flooded by intake of sea water through the valve 15 (or remotely with the remote control). The orientation of the wave front of the installations can be done by adjusting the lengths of 4 flexible fasteners 13 automatically or manually.To further simplify the design wave installation can be performed on wares completely missing valve for intake and exhaust. Air or any gas that fills the chambers 6 and 7 are moved from chamber to chamber through the air manifold 4, which in its walls are openings 18, United nozzles with air chambers 6 and 7. Inside the air manifold 4 is set to the turbine with the turbine unilateral rotation.In order to reduce the moisture constant volume of the gas in the compression chambers, the surface of the working fluid is covered with a layer of mineral oil.Wave setup can be assembled in the United garlands with simple mechanical Association and the Association produced by the compressed air piping for use of a single turbine and generator or compressed air to shore for applications in power or refrigeration.When approaching storm installing flooded by manual or remote (remote control on the shore) lift valve 15. After the passage of the storm, the setting returns to its working position by feeding compressed air into the body 1 (for example from a boat). (56) U.S. Patent N 4664715, CL F 03 B 13/12, publ. 1982. 1. The WAVE POWER INSTALLATION comprising partially filled with the working fluid floating case with nd at the bottom of the compression chamber with the suction valve, and the air manifold of the consumer connected to the compression chambers by means of check valves, wherein, to increase efficiency and simplify the design, the lower surface of the septum is made of a curved streamlined shape, the air manifold is formed throughout its internal cavity, and the configuration of the bottom of the housing has the shape of two connected cylindrical surfaces with different radii of curvature, with a large surface located on the sea side, while the consumer is made in the form of turbo-generator is installed on the air manifold.2. Installation under item 1, characterized in that, to improve reliability by submersion under the water level in the bottom of the case has a valve for filling with water of the internal cavity of the housing.3. The wave power installation comprising partially filled with the working fluid floating body with a convex bottom surface separated by a hollow vertical partition into two communicated among themselves at the bottom of the compression chamber and the air manifold of the consumer connected to the compression chambers, characterized in that, to increase reliability, the air manifold is directly connected to the chambers of the air manifold, and the surface of the working fluid is covered with a layer of mineral oil.
FIELD: wave-energy-to-electric-power conversion.
SUBSTANCE: proposed wave energy plant has supporting frame with vertical guides, float installed for vertical reciprocation that accommodates ratchet gears provided with coaxial central holes, shaft passed though these holes and fixed in supporting frame to laminar screw section whose top and bottom parts are twisted in opposition and contact ratchet gears disposed in cylindrical casing with through holes; it also has electric generator. Float is mounted for displacement along vertical guides and has inertial member disposed inside for rotation and displacement together with float; inertial member contacts inner surface of float casing through rollers. Cylindrical casing is joined with inertial member; electric generator is disposed within supporting frame and kinematically coupled through extensible joint between inertial member and drum installed for joint rotation with the latter and with gear transmission.
EFFECT: enhanced power output of wave energy plant generator.
1 cl, 1 dwg
FIELD: power engineering.
SUBSTANCE: invention is designed for conversion of wave energy into electric energy. Proposed converter contains mechanically coupled fixed post, float chambers, frame, shaft, step-up gear and electric generator. Moreover, converter additionally contains relatively interacting second shaft, first and second gears and at least two motion converters. First and second gears are fixed on corresponding shafts and engage with each other. Each motion converter has vertical rod installed for vertical vibration on upper end of which first block is installed, and on lower end, third sprocket engaging with first and second float chambers. First and second overrunning clutches with sprockets are installed on shafts and they engage through first and second chains with third sprocket.
EFFECT: increased efficiency.
8 cl, 7 dwg
FIELD: power engineering.
SUBSTANCE: proposed plant is designed to convert energy of waves into electric energy. Proposed device contains pontoon, anchor chain and anchor, electric generator and drive including working and support sheaves over which flexible tie with weights o each end is passed. One of weights is installed for hanging over bottom and is made in form of floating anchor and the other is made in form of counterweight. Anchor chain is provided with tie-rod. Floating anchor and counterweight are made for adjustment of their mass. Floating anchor can be made in form of hollow platform in which row of chambers is made. Each chamber is sealed and designed for accommodating and/or ground, and /or air, and/or water. Counterweight is made in form of hollow float with sealed chamber in lower part which is designed for ground, and sealed air chamber is found in its upper part. Tie-rod is installed by one end on anchor chain and by other end, on pontoon. It is made flexible and can be adjusted in length.
EFFECT: provision of operation at any depth.
5 cl, 3 dwg
FIELD: power generating.
SUBSTANCE: invention is designed for use in vehicle power drives and for power generation. Method of conversion of energy of working medium into mechanical and electric energy is provided by multistage conversion of energy of drive engine having rotating output shaft, for instance, hydraulic turbine. Power torque is transmitted from shaft of drive engine to mechanical power consumer by means of at least two-stage conversion of mechanical energy into energy of working medium, for instance, water. Water pressure is provided by use of centrifugal hydraulic pump or radial-axial hydraulic turbine operating as a pump with provision of generation of reactive energy caused by interaction of water with blades of hydraulic turbine stage or reactive jet nozzle of stage runner, with transmission of water through fixed waterway and stage stator made in form of spiral chamber or branched manifold. Peripheral speed of stage runner with blades or reactive jet nozzles in creases torque by value of difference of radii of stage runner and drive engine wheel. Device contains drive engine with rotating shaft, for instance, hydraulic turbine, transmitting shaft, generator and at least two similar conversion stages. Shaft of hydraulic turbine is coupled with centrifugal pump impeller of first stage radially from which fixed waterways are laid to branched manifold or to spiral chamber on side surface of which radial-axial turbine runner is installed with working blades or nozzles over periphery under which drain manifold is installed. Runner of second stage hydraulic pump is rigidly installed on shaft by means of which it is connected with runner of first stage and rotor of electric generator.
EFFECT: increased torque transmitted to electric generator.
FIELD: power engineering.
SUBSTANCE: proposed plant is designed for converting energy of waves into electric energy. Proposed plant contains vertical support secured on bottom, rocking rod installed on support for rotation around axis of support, float secured on one of rod ends. Float is provided with intake bottom hole and outlet top hole, both provided with remote controlled valves, and electric generator. Upper end of support remains under water at any possible magnitudes of waves. Wave magnitude sensor is connected with remote controlled valves, float is connected to pneumatic line connected with pressure source, rocking rod is connected with pump which is connected by pipeline with accumulator of hydropotential energy on shore, electric generator is located on shore and is coupled with hydraulic turbine connected with accumulator of hydropotential energy. Plant changes to safe mode of operation owing to filling of float with water at excess of magnitudes waves determined by corresponding wave magnitude sensor.
EFFECT: provision of reliable and long operation.
9 cl, 3 dwg
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
FIELD: electric power engineering.
SUBSTANCE: invention is related to electric power engineering and may be used for generation of electric power at the account of ocean tides, ocean waves, wind from the shore by integration of tide energy with hydrogen technology. Barrage for energy extraction from potential energy contained in ocean tides, consists of multiple support stands installed with the same interval from each other in the ocean along the perimeter line and attached to the sea bottom. Panels are installed one above the other and fixed between pairs of neighboring support stands. Gaps between every panel and support stands are leak-tightened. Pairs of support stands from two rows of support stands for caissons. Support panels are placed between every pair of opposite support stands from the mentioned two rows so that caisson is supported by support panels, so that they form platform between two rows for caissons. In every caisson there are turbines with facilities that provide for water passing through the turbine by operator command. Electric generators are connected to at least one turbine. Barrage has no gaps or slots. As a result the ocean is separated from the area inside the barrage, excluding time, when operator provides water passing through turbine for electric power generation. Invention works at different loads and functions as power complex with electrolyzers and fuel elements for generation of electric power by request, excluding by that impulse character of traditional tide energy. Hydrogen may be produced as target product.
EFFECT: reduces cost of works.
6 cl, 17 dwg
FIELD: engineering industry.
SUBSTANCE: invention refers to water power engineering, and namely to water-borne vehicles producing electric energy used for external consumers and for its own movement. Energy-producing floating platform consists of a triangular-shaped platform with a power unit, which is elevated above water surface by means of columns, floats, piston-type pumps, and supports which are hinged to columns. Floating platform is equipped with wind impellers installed on brackets and being synchronously rotated by propelling screws with wheels. Between each support and float arranged are piston-type pumps. Inside each column there is an axle on lower end of which there installed is a propelling screw and a wheel, and the other axle end is taken out above the platform surface and is provided with a pulley. Over pulleys there passed is a flexible rope pulled over by a steering mechanism.
EFFECT: designing the maneuvering self-moving energy-producing floating platform which is capable of autonomous movement on water surface.
FIELD: power engineering.
SUBSTANCE: invention relates to hydroenergetics, to low pressure flows of seas, rivers and water outlets of hydro electric stations and reservoirs. A tidal hydroelectric plant contains a cylindrical body of the machine compartment with a gear box and electric generator of the tail hydroturbine with arms, mounted on its axis and the axis of rotation. On the upper part of the body is fixed a flat pylon, on the end of the pivot system and the axis of rotation. The body is suspended on a crossbeam in the passage of the catamaran for lifting the power station to the level of the servicing platform on the grooves of the support bridge pier, connected by the arch with a lifting mechanism. Arms of the hydroturbine are made short and wide sweptforward on the leading edge and with a concave surface in the form of a parabolic curve, and a convex surface of the tailpiece perforated with slanting slits.
EFFECT: reduces the depth of the low pressure power stations, increases the hydrodynamic quality of the hydroturbines arms, and ensures periodic lifting of the power station from the water.
3 cl, 4 dwg
FIELD: engines and pumps.
SUBSTANCE: invention is related to the field of renewable power sources, namely to use of potential energy accumulated in water reservoirs and its conversion into other types of energy, mostly in electric energy. Water power device comprises the following components that interact with each other - platform, multiplier, power generator, the first and second shafts, in which according gears are installed, overrun clutches and sprockets that interact with chain. Device additionally comprises the first and second trolleys. They are connected to each other by chain and are installed in appropriate inclined guides with the possibility of reciprocal motion. Appropriate reservoirs are installed in trolleys, being equipped with exhaust water valves. In upper points reservoirs interact with appropriate newly introduced inlet water valves and units of position fixation, and in lower points - with end supports.
EFFECT: makes it possible to simplify design and increase efficiency of energy transformation.
7 cl, 6 dwg
FIELD: engines and pumps.
SUBSTANCE: invention relates to the plants exploiting the rough sea energy. The wave power generation plant includes a ship with a wave compressor using roughness energy to produce compressed air, working chambers arranged along the ship board working chambers with inlet and outlet openings submerged into water and converting the compressed air power of the turbine with electric generators. With the wave out coming, the chambers communicate during suction stage via inlet valve with the low-pressure manifold open to atmosphere and during compression stage, with the wave in coming, they communicate via outlet valves, with the high-pressure manifold. The ship features the sizes and the number of chambers allowing simultaneous exploiting of several waves. The chambers are arranged stepwise along the depth. Every subsequent stage of chambers is located deeper than the previous one. The high-pressure manifold of the previous stage makes a low-pressure manifold of the subsequent stage. The high-pressure manifold has in its lower part a drain shafts with outlet valves. The ship incorporates also a system of ballast compartments to accommodate a wave compressor on the ship water-line at the level of the first stage working chambers. At the stern and bow the ship engines are mounted.
EFFECT: higher efficiency; higher output power.
FIELD: machine building.
SUBSTANCE: invention relates to power engineering and can be used for transforming the river stream and tides power into electric DC or AC energy. The proposed floating electric power station comprises a water craft with electrical generator mounted thereon and connected to the turbine and a confuser pipeline arranged in water stream and narrowing along the said stream. The said confuser pipeline is arranged horizontally. Note that the confuser pipeline narrower end is provided with a horizontal diffuser pipeline with an intake entrance accommodating an air nozzle arranged coaxially with the said entrance. The nozzle inlet is connected, via an air duct, to the pipeline with its shape changing from curvilinear into vertical. The aforesaid air duct is hinged to the air confuser pipeline. The latter accommodates the turbine mounted at its outlet. The air duct is hinged to turn relative to the said air confuser pipeline and to allow mounting confuser pipeline together with diffuser pipeline along the water stream.
EFFECT: higher profitability and reliability.
5 cl, 7 dwg
FIELD: machine building.
SUBSTANCE: proposed power generation plant exploits the power of sea wave and tides. The plant comprises a hollow cylindrical housing with its bottom open. It communicates with seawater and is anchored to sea bottom. The said housing features a narrowing forming a smaller cylinder. The casing is attached to the aforesaid cylinder. The aforesaid casing houses an impeller driven by air sucked in/out from the housing inner space via air ducts formed by the aforesaid casing and non-return valves mounted inside the upper small cylinder, the air force being directly dependent upon the water level caused by the running wave.
EFFECT: simple low-cost high-efficiency power generation unit to be mounted at whatever sea- or-ocean coast line.
4 cl, 22 dwg