Micro run-of-river plant

FIELD: power engineering.

SUBSTANCE: run-of-river micro station comprises hydraulic turbine with blades 1, generator 7 fitted at pontoon 8 with anchor pole 9. Diverging blades 1 are curved in conical screw line or in conical logarithmic spiral. Front ends 2 of blades 1 bent through 90 degrees are secured inside hear case 3 at shaped bush 4. Rear ends 5 of blades 1 are secured to spider 6.

EFFECT: fast-assemble-disassemble portable run-of-river plant.

3 cl, 4 dwg

 

The invention relates to hydropower and is designed to provide electrical power to the camps geologists, hunters, fishermen, independent tourists and is portable.

The invention relates to hydropower and serves, in particular, to convert the energy fluvial river flows into electrical energy.

Known for small and micro hydro power plants with a capacity of 1...5000 kW at pressure 2...400 m from the propeller, diagonal, axial, radial-axial, bucket turbines [http://ovis.khv.ru/index...]. Also known bag micro-hydro "Beam" with a capacity of 1, 2, 4, 10 kW and INSET capacity of 10, 15, 20, 50, 100 kW. [http://mnpc2020.ru/...]

The drawback of such HPP is the need for large elevation or the construction of the dam.

Installation is a complex chain drive and low reliability.

A device for the energy of the current environment, comprising a housing, turbine and positive displacement pump with flow accelerators, kept in rukovom flow vertical rod through the bracket (see EN 2392485 C1, 27.06.2010).

The device is difficult to manufacture and operate, delivers water, does not produce electrical energy, is not portable.

Known design Kaplan turbines for the energy of the water flow recorded in flooded condition in a moving stream of water (relev-outflow). The blades in the form of a long double auger mounted on the shaft along a flowing stream. The same design are encouraged to apply and to use wind energy, adapting it for mounting in the air stream. (see J 2009234555 AND, 15.10.2009)

This device is difficult to manufacture and operate, has no mobility.

Hydroelectric known to use the energy of water flow, consisting of spiral blades, stopped along the oval housing and spaced from the casing at the end. The unit is suspended with a minimum buoyancy. The concentration of the stream is carried out using an external screen. Blade turbine is linked to the backbone through the hinge and the power Converter multicomponent shaft (see EN 2061185 C1, 27.05.1996) (prototype).

For this unit stationary difficult the establishment of the energy Converter - electric generator and a complex multicomponent system torque transfer.

The objective of the invention is to develop a portable, bystrosbornye-team, lightweight and used in small rivers and streams run microhydroelectric.

The technical result is achieved by the fact that in the bed microhydroelectric (micro-hydro), containing a turbine with blades according to the invention the generator is installed on the pontoon is to anchor the pole, and extending curved blades are made in a conical helix or conical logarithmic spiral, the front bent 90 ends secured within the enclosure of the tip shape of the sleeve, and the rear ends on the d - pad.

In addition, the transmission of rotation from the turbine to the generator is flexible shaft installed inside the casing in the form of a hose and the other end of which is rigidly mounted inside the fairing in a spherical washer with a tapered bore with the corresponding tapered pin.

In addition, the front edges of blades and crosses made ostrozatochennymi.

Figure 1 shows a side view of the run-of-river micro hydro power; Fig 2 - attaching flexible shaft at the end of gidroenergoproekta; figure 3 is a rear view of the blade gidroenergoproekta off the crossbar; figure 4 - attaching the front ends of the blades.

Channel micro-hydroelectric power station consists of a quick-connect hydraulic turbine comprising blades 1, curved spiral taper or conical logarithmic spiral, the front curved ends 2 which is inside the casing 3 of the cap is fixed on the figure of the sleeve 4 with a Central hole, and the rear ends of the 5 - on the cross-piece 6. Multipole generator 7 DC installed on the pontoon 8 and movably connected with a vertical anchor pole 9. The rotor shaft of the generator by means of a flexible shaft is 10, installed in a stationary casing 11 in the form of a hose, is connected with the tip of the turbine and secured with a spherical washer 12 with a tapered bore 13 and a tapered pin 14.

Details of the turbine is made of a polymer composite material, such as plastic, mounting material - stainless steel, leaf blade extends to the buttocks. Pontoon is wood, durable plastic foam or air-tight container for parts and components of micro hydro power.

After arriving at the shore of the river gathering water turbine, find a suitable place in the river, produce pole 9, which scored in the bottom of the river, arrange the pontoon 8, connect the flexible shaft 10 of durable polymer material with a rotor shaft of the generator, the flexible shaft is placed in the hose 11, the front end of which is fixed rigidly on the pontoon 8, and the rear - free, and organize the camp. The flow of water rotates the turbine, the rotation is transmitted to the flexible shaft 10 to the rotor multipolar generator 7 DC, and through the inverter produces electric current by cable is delivered to consumers. When stationary intermediate element between the generator and the inverter is the battery. The use of protective hose flexible shaft and a sharpened front edges of blades and crosses prevents the winding of vegetation.

Developed micro-hydro power I have is easy, portable, bystrosbornye-team and allows you to comfortably sit on the banks of the rivers.

1. Channel micro hydropower plant (micro-hydro), containing a turbine with blades, characterized in that the generator is installed on the pontoon with anchor pole and extending curved blades are made in a conical helix or conical logarithmic spiral, the front bent 90 ends secured within the enclosure of the tip shape of the sleeve, and the rear ends on the d - pad.

2. Channel micro-hydroelectric power station according to claim 1, characterized in that the transmission of rotation from the turbine to the generator is flexible shaft installed inside the casing in the form of a hose and the other end of which is rigidly mounted inside the fairing in a spherical washer with a tapered bore with the corresponding tapered pin.

3. Channel micro-hydroelectric power station according to claim 1, characterized in that the front edges of blades and crosses made ostrozatochennymi.



 

Same patents:

FIELD: power industry.

SUBSTANCE: movable flow-through hydraulic power station contains pontoon 1, fixed with anchors 2, body of water pipeline, hydraulic drive, electric current generator, control mechanisms. Body is made in the form of two hollow cylindrical pipelines 5 and 6 arranged coaxially one after another. First of the pipelines of larger section is turned by its free front end towards the water stream, the rear end of which is connected by means of cone hollow insert 7 to the front end of the pipeline of smaller section, the second end of which is open. Body is mechanically coupled with the energy unit 8. Hydraulic drive and electric current generator, the shafts of which are interconnected, are located inside this unit. Body and energy unit are attached to the bottom of the pontoon 1. Pressure tube 46, made in the form of Pitot tube, the free bent end of which is turned towards the moving water stream, and the other end through the stopcock 47 is connected to the inlet tube of turbine of hydraulic drive and its outlet tube is connected to the interior cavity of housing of minor section, is installed inside the housing of larger section.

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8 dwg

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2 cl, 5 dwg

FIELD: power engineering.

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4 cl, 6 dwg

FIELD: power industry.

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2 cl, 2 dwg

FIELD: power industry.

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2 dwg

FIELD: electricity.

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FIELD: electricity.

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6 dwg

FIELD: power engineering.

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FIELD: power engineering.

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FIELD: power engineering.

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2 dwg

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3 dwg

FIELD: energy industry.

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EFFECT: ability to create additional sources of electricity generation through the use of the wave properties of various natural water reservoirs.

3 dwg

FIELD: energy industry.

SUBSTANCE: generator comprises multistage concrete pedestals arranged in two or more rows so that the pedestals of the second and subsequent rows are arranged in the gaps between the pedestals of the preceding rows. On the steps of the pedestals the wave power plants connected in one power system are mounted. The wave power plants are mounted on the multifaceted and multitiered prisms around the wave generator. The wave generator is made in the form of a column 3 mounted on the concrete polygonal prism 2, on which above the water surface in a magnetic bearing the rotating star-shaped, for example a four-rayed, wheel 4 is mounted. The outer end of each ray of the wheel the stone or cast iron polished ball 5 is attached by means of the connecting element 6. On the inner side surfaces of the star-shaped wheel the troughs 7 are made, the distance between which edges is greater than the diameter of the ball 5. The length of the connecting element 6 is greater than the distance from the base of horizontally disposed trough 7 of the star-shaped wheel to the water surface, but less than the depth of the water reservoir. The facets of polygonal concrete pedestal and the multifaceted prism in contact with the waves are designed according to shape of parabola. The star-shaped wheel shaft 4 is connected to the motor shaft 11 which is connected to the outlet of the unit of processing and storing electric energy, connected to a group of wave power plants. In the water reservoir the star-shaped wheel 4 is mounted so that the ball 5 is moved along its course. The connecting element 6 is made in the form of a rope or cable or cord On the water surface in the area of damped waves the similar groups of wave power plants are located.

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3 dwg

FIELD: electricity.

SUBSTANCE: tidal-wave power plant is made on the basis of two turbines 1 and 2. Each of turbines 1 and 2 comprises at least two disks 3, connected to each other by axes 4, on which blades 5 are hingedly fixed, displacement of which is limited by main and additional fixators 6 and 7. Both turbines 1 and 2 are hingedly installed on a single axis 8, fixed in a frame 9, a part of which is fixed on the bottom, and the other part includes a site 10 on the surface, where a reducer 11 and a generator 12 are placed. In one turbine the main fixators 6 are arranged at the right side of the blades 5, while in the other turbine the main fixators 6 are located at the left side of the blades 5. Adjacent discs 3 of turbines 1 and 2 are equipped with main conical gears, between which there are additional conical gears hingedly fixed on an axis 14, which is perpendicular to the single axis 8 of turbines 1 and 2. A power takeoff shaft 13 reaching a site 10 on the surface is stiffly fixed to one of additional conical gears.

EFFECT: provision of higher efficiency factor due to operation of turbines in three squares and at any direction of a flow, with simultaneous preservation of design simplicity.

6 dwg

Driving mechanism // 2478829

FIELD: power engineering.

SUBSTANCE: driving mechanism comprises a symmetric wing 1 arranged in an uneven flow of water with side walls 2, the axis 3 of which is installed in hinged supports 4 at rear ends of cross beams 5, connected by front ends through hinged joints 6 to a support structure 7, and also an actuating mechanism 9 connected with the axis of the wing 1 by means of a gear 8. The mechanism 9 is equipped with an elastic air cushion 11 arranged in the upper part of the wing 1 above water 10 filling its lower part 10, a lever 12, fixed on the wing 1, and vertical traction rods 13. Traction rods 13 are connected by lower ends with bearings 14 installed on the axis 3 and are attached by upper ends by means of springs 15 to the structure 7. Between the structure 7 and the lever 12 there are the following components installed in series - an elastic element 16 and a controller 17 of wing 1 position. In walls 2 there are holes 18. The top of the holes 18 is arranged below the upper point of the wing 1 profile and matches the level 19 of its filling water 10 and the lower border of the cushion 11, which is arranged in the form of an elastic shell 20, filled with air 21.

EFFECT: higher efficiency due to parametric amplification of rotary oscillations of a driving mechanism wing.

2 dwg

Wave power plant // 2478827

FIELD: power engineering.

SUBSTANCE: plant comprises a floating body partially filled with liquid, a flat float arranged in it, the central part of which is arranged by means of a flexible element with the body bottom. Along the line of the diameter of the upper surface of the float at the identical distance from its centre there are two stands fixed as perpendicular to the float surface. The upper end of one stand is equipped with an upper flexible element, which is tightened, wound in direction of hour hand motion onto the upper part of the coil, and the end of the wound section is fixed on it. The upper end of the other stand is equipped with a lower flexible element, which is tightened, wound in direction opposite to the hour hand motion onto the lower part of the coil, and the end of the wound section is fixed on it, besides, lengths of flexible elements are equal to each other. The coil is tightly placed onto a shaft of a vertically arranged electric generator. The middle part of the coil, the upper end of the upper part, the lower end of the lower part of the coil are equipped with flanges. In the plane of stands arrangement on the lower surface of the float with displacement from its centre there is a fin fixed.

EFFECT: higher reliability of a plant in case of wave movement direction change.

3 cl, 1 dwg

FIELD: power engineering.

SUBSTANCE: inshore hydraulic wind-powered plant comprises a platform with a slot, fixed on sea surface in its coastal strip, a rotor plant arranged in the platform slot with location of its part under water and comprising two rotors, which are arranged in a mirror-like manner on a common shaft, mechanically connected with a power generator shaft, every of which is arranged in the form of a disc with blades in the form of aerodynamic wings, arranged with a gap relative to the common shaft, two fairings, each of which is installed on the common shaft in front of the appropriate rotor and covers the gap between the inner edges of blades, and two confusors, and an additional sunk platform fixed in front of the platform at the side of the sea. Ends of rotor blades are arranged as truncated to the axis of the common shaft. Confusors are installed at peripheral parts of ends of rotor blades to form a gap with an appropriate fairing.

EFFECT: increased fullness of joint usage of energy of swash, ebbs and air flow, and also simplified design of an inshore hydraulic wind-powered plant and its operation.

7 cl, 4 dwg

FIELD: power engineering.

SUBSTANCE: flowing damless hydraulic turbine comprises a pontoon 1 with a bearing stand 3, on which by means of roller supports 4 there are inclined paired rotors fixed coaxially. Rotors are arranged in the form of a shaft 5 with blades 6. Rotors via hinged couplings 7 interact with a power takeoff shaft 8, and via a sprocket 9, rigidly fixed on the shaft 8, with a multiplier and a power unit.

EFFECT: simplified design of a hydraulic turbine, reduction of its dimensions and provision of the possibility to use it on small rivers and streams for power supply to individual households and farms.

3 cl, 5 dwg

FIELD: power engineering.

SUBSTANCE: wave-activated power plant comprises an energy converter including a system of gears enclosed into a body fixed on a support above the water surface capable of rotation around the vertical axis, a lever, which is connected with its one end to the gear system via a mechanism of single-sided rotation, and with the second one - to a cylindrical float. The float is equipped with a wave tail unit for alignment along with direction of waves and freely rotates on the lever axis, compensating variances of wave forces at the float ends. A generator is fixed on the support above the water surface and is connected to the energy converter.

EFFECT: invention makes it possible to align the float along the direction of waves and to more efficiently convert the energy of sea waves.

FIELD: electricity.

SUBSTANCE: pontoon tidal power plant comprises pontoon vertical cylindrical shells (1), generators, water intake and discharge pipes (20), a system of ropes (8) and anchors (9). Shells (1) are installed with a gap between adjacent shells along a longitudinal line, perpendicular to direction of tide (4). In the middle part of pontoon shells (1) at both sides there are ropes (8) fixed as connected to anchors (9). In the pontoon vertical cylindrical shell (1) there is a water-receiving (10) and dry (11) chambers concentrically arranged. The water-receiving chamber (10) is divided by a partition (12) into sections. In each section there are outlet nozzles (13), a perforated flow distributor (14), a central perforated riser (16), an inlet nozzle (19) of a discharge pipe (20). Outlet nozzles (13) are installed tangentially for flow swirling. The flow distributor (14) is made as a truncated cone with an open upper base and a lower base (15) closed by a wall. The perforated riser (16) is made in the form of a pipe. The lower hole (17) of the pipe is opened, and the upper one is connected to a fish-discharge pipe (18). A dotted line (26) shows position of the pontoon vertical cylindrical shell (1) at the maximum level of water in the sea.

EFFECT: exclusion of fish passage via working elements of generators provides for higher efficiency of fish protection.

4 cl, 3 dwg

Wave energy plant // 2286476

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

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