(57) Abstract:The inventive enclosure is equipped with a rotor mounted on the shaft and having blades. The blades are made in the form povorotny plates with tabs and sliders. Element connects the shaft with energorashodyi device. The rotor is constructed in the form of impellers, containing the hub and fixed thereto parallel series of radial spokes mounted with rims. Each blade is made in the form of plates having a common axis of rotation with the possibility of a reversal of the plates of each blade at the angle less than 90° in opposite directions perpendicular to the axis of the impeller during the stroke and folding towards each other during idling. The body is made in the form of a pontoon platform. The rotor is placed in the lower part of the body. The spokes of the middle rim of each wheel are the axes of rotation of the plates. Spokes extreme rims are limiters of rotation of the plates of each blade and stops during the stroke of the blade 4 C. p. F.-ly, 6 ill. The invention relates to hydropower, in particular to a device for converting energy of water streams and sea tides into electricity.Known blade-anionicity rotation. Each fold is made in the form United with the shell frame with a system of intersecting strings, and the rotation stops made in the form of a flexible rod, fixed ends on frames (ed. St. N 1255737, CL F 03 D 3/00, 1986).The disadvantages of the known installation are as follows: 1). When folding the frames of two valves flexible sheath when moving against the wind create excessive windage, which increases aerodynamic resistance during reverse motion of the blades. This leads to reduced efficiency. 2). The use of blades in the aquatic environment possible. This reduces the functionality of the installation. 3). In operation, the blades possible mechanical damage to the flexible membrane and its unstable operation, such as when water and snow precipitation, and dust pollution, especially chemically aggressive, and in the case of precipitation weigh the weight of the blades, as the flexible membrane to become clogged with snow or water.The closest technical solution, selected as a prototype, is an energy installation comprising a casing provided with a rotor mounted on the shaft and having blades made in the form of rotary blades. The blades have a holder, attached is certain parallel to the shaft. Corresponding to the blades stops are located in the plane of the blade and secured to the holder. At least one of the blades the blades are made in the form of at least two plates arranged to rotate one relative to the other around the axis, and provided with clamps. At least one of the blades of each blade may be made in the form of three plates, the average of which is connected to rotate with two adjacent and is provided with a single lock. Plate equipped with limit switches for their mutual rotation in a direction opposite to the direction of rotation of the shaft. Additional blades spaced along the shaft, installed in pairs and grouped at least in one section, consisting of "n" pairs of blades. The apparatus comprises an element connecting the shaft with the power-transforming device, which is located on the shaft between the two sections of the pairs of blades (Patent USSR N 1362405, CL F 03 D 3/00, F 03 B 17/06, 1987).The disadvantages of the known power plant are: 1) the complexity of the design, because the blades are made of separate blades, consisting of at least two plates; 2) significant intensity install due to the large amount of metal, zatraci is vozmozhnosti use installation for converting the energy of sea tides into electricity.The claimed invention is directed to the solution of the technical problem of increasing the efficiency and improving the energy performance of the blades of the impeller when rotating in a water stream by reducing the hydraulic resistance of the idle speed of the blades.To solve this technical problem in the energy installation comprising a casing provided with a rotor mounted on the shaft and having blades made in the form of rotating plates with tabs and sliders element connecting the shaft with the power-transforming device located on the shaft (according to the invention), the rotor is made in the form of at least two impellers, each of which contains the hub and fixed thereto at least three parallel rows of radial spokes mounted with rims, each blade of the impeller is made in the form of at least two plates, having a common axis of rotation with the possibility of a reversal of the plates of each blade at an angle not exceeding 90aboutin opposite directions perpendicular to the axis of the impeller during the stroke and folding towards each other during idling, the body is made in the form of a pontoon platform, while the rotor is placed in the n blades. Spokes extreme rims of each impeller are limiters of rotation of the plates of each blade and stops during the stroke of the blade. According to the invention, the average rim of each impeller provided with a stiffening rib, which places the upper ends of the folding plates each blade has two-way electromagnetic damper-retainer containing at least two cushioning Shoe with restrictors movement, within which is placed a spring, and the coil of the solenoid is located inside the ribs.The set of essential features of the claimed invention allows to achieve the following technical results:
improve energy performance of the blades of the impeller by giving them the properties of "duck feet" having a working and idling low hydraulic resistance;
the possibility of creation of Autonomous sources of electricity of any power due to the layout of the installation in the form of battery units;
getting environmentally friendly methods of electricity by using the energy of water flows, sea tides, hydropower may release stoplist rivers;
the simplicity of the design and build capability in any production environment.In Fig. 1 shows a power plant when placed on sea, view from above; Fig. 2 is a view along arrow a in Fig. 1 (anchor raised); Fig. 3 node I in Fig. 2; Fig. 4 and 5, the principle of operation of the impeller tidal currents; Fig. 6 power plant when placed on the river (coastal), the arrows show the direction of flow of the river.Power plant is mounted on a pontoon platform 1 (Fig. 1 and 2), which contains industrial and domestic premises. The production facilities include: generator, 2 wells 3 and the camera 4. In the generator room 2 are electric generators (primary and backup), batteries, winches lifting and etching anchors, heating system. From the generator room there are 2 hatches for access to the bearing element connecting the shaft with energorashodyi device.Under the pontoon platform 1 (Fig. 2) below the water level and the maximum thickness of freezing water in the winter is the rotor, made in the form of at least two wheels 5 mounted on a common shaft 6, which predatory chain is transmitted to the gear shaft of the electric generator.Each impeller 5 includes a hub 7, (Fig. 4-6) which with the help of at least three parallel rows of spokes attached three of the rim 8, 9 and 10. Spokes 11 (Fig. 3) middle of the rim 9 of each of the impeller 5 are the axes of rotation of the blades, made in the form of at least two plates 12 and 13. Plates 12 and 13 each blade pivotally mounted on the spokes can be rotated at an angle not exceeding 90aboutin opposite directions perpendicular to the axis of the impeller 5. Spokes 14 (Fig. 4-6), extreme rims 8 and 10 of the impeller 5 are limiters of rotation of the plates 12 and 13 of each blade and stops during the stroke of the blade.The rib 15 of the middle rim 9 (Fig. 3) of each of the impeller 5, the upper ends of the folding plates 12 and 13 of each blade, installed two-way electromagnetic shock absorber clamp designed to secure the folding and holding plates 12 and 13 of the blade at an average rim 9 at idle and repulsion plates 12 and 13 of the blades at the beginning of the stroke to accelerate their spread. Two-way electromagnetic shock absorber clamp consists of two cushioning Shoe 16 with restrictors movement inside which is placed the spring 17 senjem winding winding, closed on both sides of the lid 20 with seals that protect the windings from moisture. Inside the middle of the rim 9 canal, which houses the power cable 21 with branches to the solenoid coils (number of blades). The holding plates 12 and 13 of the blades in the idle mode is automatically adjusted to their transition into the working area (by changing the polarity of the electromagnets plates 12 and 13 of the blades proceed in different directions).When placing a power plant on the river (Fig. 6) consider the constant direction of flow for the selection of the optimum depth of immersion of the impeller 5. One end of the driving shaft 6 is located in the bearing 22 located on the rack 23 mounted on the base 24, placed on the river bottom. The other end of the drive shaft 6 passes through a bearing unit with seal 25 in the coastal well 26 has at the end of the drive sprocket and a chain transmission transmits rotation to the gear shaft of the electric generator installed in the generator on the banks of the river.Power plant attached to the river or seabed four anchors 27, the installation location of which are indicated buyreply (Fig. 1). On the deck of the pontoon is yaytsa chain during transport position when towing.Power plant works as follows.When the rotation of the impeller 5 in the direction of water flow on one side of the plates 12 and 13 of the blades fully disclosed (the area of the stroke), while the other half of the blade plates 12 and 13 are compressed and fixed relative to the average of the rim 9 (area of idling). As each blade of the zone idling plates 12 and 13 are repelled from each other by changing the polarity of the electromagnets of the absorber - retainers and springs 17, and under the action of a moving fluid mass touches the spokes extreme rims 8 and 10 of the impeller 5, creating a torque transmitted on a common shaft 6, with which the mechanical rotation is transmitted to the shaft of an electric generator that produces electrical energy.Power plant (onshore option) can be placed on the river with a water flow rate of not less than 3 km/h, while the impellers 5 should be placed below the level of seasonal freezing water.When placing a power plant (or several) along the coast to use tidal currents depending on rainfall, the location is chosen saliva or low tide since this changes the position of the idle zones and stroke on the opposite (Fig. 4 and 5). 1. ENERGY installation comprising a casing provided with a rotor mounted on the shaft and having blades made in the form of rotating plates with tabs and sliders, and Elkmont connecting the shaft with the power-transforming device, characterized in that the rotor is made in the form of at least two impellers, each of which contains the hub and fixed thereto at least three parallel rows of radial spokes mounted with rims, each blade of the impeller is made in the form of at least two plates, having a common axis of rotation with the possibility of a reversal of the plates of each blade at an angle not exceeding 90oin opposite directions perpendicular to the axis of the impeller during the stroke and folding towards each other during idling, the body is made in videotones platform, while the rotor is placed in the lower part of the body.2. Installation under item 1, characterized in that the spokes of the middle rim of each of the impeller serve as axes of rotation of the plates of the blades.3. Installation under item 1, characterized in that the spokes crma stroke of the blade.4. Installation under item 1, characterized in that the average rim of each impeller provided with a stiffening rib, which places the upper ends of the folding plates each blade has bilateral electromagnetic shock absorber arm.5. Installation according to p. 4, characterized in that the electromagnetic shock absorber clamp includes at least two cushioning Shoe with motion stops motion, inside which is placed the spring and coil will solenoidal located underneath the ribs.
FIELD: power engineering.
SUBSTANCE: invention relates to non-conventional power sources, and it can be used in plants using energy of wind, river, deep sea and other currents. Proposed plant contains one or several vertical shafts and horizontal rods with blades. Said hollow rods are installed on shafts for limited turning relative to their axes. Opposite blades of each rod are rigidly secured on rod square to each other and eccentrically relative to axis of rod. Shafts adjacent in horizontal direction are made for rotation in opposite directions.
EFFECT: provision of simple ecologically safe device operating at any direction of current in liquid and gaseous medium and at medium interface.
FIELD: hydraulic engineering.
SUBSTANCE: device is designed for converting kinetic energy of small and medium rivers into elastic energy. Proposed hydraulic unit contains hydraulic turbine installed on frame with bearings on its shaft, generator mechanically coupled with hydraulic turbine, stream shaper and device in form of plates to protect hydraulic unit from floating debris. Hydraulic unit has intermediate vertically and horizontally installed shafts with bearings interconnected by conical gears. Vertical shaft is arranged in well built near bank and communicating with river by channel made under level of maximum possible thickness of ice cover. Part of horizontal shaft connected with hydraulic turbine is arranged in said channel. Upper end of vertical shaft is connected with generator through ground horizontal shaft and step-up reduction unit. Stream shaper is made in form of flaps installed on shaft for turning to direct water stream of river to its central part between which turnable gate is installed for contacting with one of flaps to direct water stream to right-hand or left-hand side of hydraulic turbine.
EFFECT: provision of reliable operation all year round.
3 cl, 2 dwg
FIELD: hydraulic power engineering.
SUBSTANCE: proposed hydraulic turbine generators are designed for creating stationary and portable hydraulic plants of modular type. Generators have rotor with central shaft non-rotating around horizontal axis or vertical axis (as version) on which chain drive gears are rigidly fitted, each being coupled through independent chain drive with planet pinion members arranged radially and uniformly around central shaft. Each member has blade reduction gear consisting of gear of chain drive and of large and small cylindrical gears, the latter being coaxial and rigidly coupled with gear of chain drive of blade reduction gear, and large cylindrical gear is rigidly secured on axle of blade installed horizontally for generator (or vertically, as version). Each blade rests by ends of its axle for rotation on brackets secured on hubs by bases. Hubs are installed on both ends of shaft for rotation and tops of brackets at both ends of central shaft are connected by ring rims being drive wheels connected with energy converters by flexible drive.
EFFECT: provision of effective and reliable operation.
3 cl, 4 dwg
FIELD: conversion of river stream energy into electric power.
SUBSTANCE: proposed plant has base in the form of catamaran that mounts current generators and their drive, current parameters stabilizing system, turbine capable of running in fully submerged condition, and its hoist. Turbine is made in the form of belt conveyer installed on edge at certain angle to river stream. Blades made of flexible material are secured throughout entire width and length of belt. Each blade is made in the form of bucket capable of folding and resting on belt during transfer from working to idle side of conveyer, and it has pocket on external surface for automatic raising of blade by river stream during transfer from idle to working position. Turbine hoist has rocker arm for turbine suspension hinged on one end to catamaran and on other end, to turbine frame that mounts generator-drive bevel gear so that longitudinal axes of hoist rocker-arm hinges and longitudinal axis of bevel-gear driven pinion are disposed on same line. In addition, hydroelectric power plant is equipped with device enabling variation of turbine angle of installation to water flow.
EFFECT: enhanced power capacity.
1 cl, 4 dwg
FIELD: power engineering.
SUBSTANCE: turbine is designed to convert energy of water or air streams inflowing from side. Proposed turbine has shaft hinge-mounted in post around which blades are installed for turning in radial directions between supports rigidly and normally connected to shaft. Turning of blades is limited by stops. Blades are made flat, with rounded off long edges, and are arranged around shaft minimum in two directions with spaces between edges. Turning of blades is limited by two stops, and tire in turbine, thus formed, repeats in length of shaft with uniform angular turn. Supports can be made in form of radial cantilevers with aerodynamic profiling of cross section. Stops are made retractable into support body if pressure force of blade exceeds calibrated force of spring holding the stop in working position.
EFFECT: increased efficiency of using energy of fluid medium flow, simplified design.
3 cl, 6 dwg
FIELD: hydraulic power engineering.
SUBSTANCE: invention is designed for creating stationary and transportable modular hydraulic plants and setting up unit hydraulic power stations. Proposed water-wheel generator has body, shaft with central bevel gear, planet pinion members, each containing blade and shaft with bevel gears on ends, one end of shaft being coupled with central gear. Central bevel gear is rigidly secured on one of ends of central shaft non-rotating around its axis and arranged vertically. Planet pinion members are arranged around central radially and uniformly. Shaft of each planet pinion member with bevel gears on its ends is made single-section, and bevel gear belonging to said shaft and pointed to side of blade of said planet pinion member engages with bevel secured rigidly and coaxially to smaller spur gear of blade reduction gear. Larger spur gear engages with smaller one, and it is secured on axle of blade installed vertically. Each blade rests by ends of its axle for rotation of brackets mounted by bases on cylindrical housing installed for rotation coaxially relative to central shaft, and tops of brackets at both ends of central shaft are connected by ring rims. Upper rim, being drive wheel, is coupled with energy converters. Central shaft rests by both ends with locking on framework provided with pontoon devices. Invention makes it possible to use river current energy with maximum efficiency at no adverse effect on environment caused by submersion of river flood lands caused by building of dams, energy of ocean currents, energy of tides and ebbs owing to use of blades with two points of support. Versions of design of water-wheel generators are provided in description.
EFFECT: simple design, high adaptability to manufacture and servicing of water-wheel generator.
5 cl, 5 dwg
FIELD: generation of electric energy by conversion of water flow.
SUBSTANCE: electric energy is generated with the aid of vane-type machine having at least one rotor, rotor-driven generator and float for vane-type machine; vane-type machine is anchored stationary and rotor is oriented in direction of water flow. Vane-type machine is held in suspended state below water surface. Float may be inflated with compressed air and may be filled with water when required. Rotor is mounted on axle oriented in way of water flow. Rotor blades may be turned with the aid of mechanism in direction of water flow or in opposite direction. Rotor axle is just hollow axle forming the float. Vane-type machine is invisible during operation of plant.
EFFECT: simplified construction; reduction of time required for mounting.
22 cl, 11 dwg
FIELD: wind and hydraulic power engineering.
SUBSTANCE: invention relates to wind and hydraulic motors with vertical shaft of rotation. Proposed vertical shaft turbine has shaft hinge-mounted on post with rigidly and normally attached supports, and blades arranged between supports and installed on axle for turning being limited by two locks. Supports are installed in two directions to form row. Blades are made of closed elastic material tightly enclosing thickened axle to prevent axial displacement and vertical rigid edge spring-loaded relative to axle. Moreover, each blade is provided with stops fixing elastic material relative to thickened axle. Turbine can be furnished with additional rows of supports with blades installed higher and/or lower than first row. Turbine can reliable operate irrespective of velocity and gusts of wind, region and place of mounting, including movable objects, with provision of efficiency 10-16% higher than that of similar constructions.
EFFECT: simple design, effective operation.
3 cl, 2 dwg
SUBSTANCE: the micro hydro-electric power station is designed for converting energy of flowing medium into electrical energy. The device contains of ground unit, consisting of electricity distributing device, control system and controlled ballast load, a fixed water tank, generator located lower than the level of water in the hermetic tank and connected to the ground unit using water resistant cable. The water turbine with a horizontal axis of rotation, is mounted at the run-out and connected to the shaft of the generator through a gear transmission, in the form a multiplier located in a gondola. A cone is placed on the inlet of the run-out in front of the water turbine. The generator is located in the direction of flow behind the multiplier in the same gondola, which is supplied with a device for pumping water from its bottom part. The cone is made of flat elements; part of which is made in such a way that turning about longitudinal axes is possible. A driving gear is provided for this purpose.
EFFECT: increased operation reliability; power regulation.
6 cl, 1 dwg
SUBSTANCE: invention is related to the field of renewable energy sources, namely, wind energy conversion into electric energy. Converter contains frame and first and second blades that are kinematically connected with cord (chain), first and second drums (starts) that are motionlessly installed in the shafts of the first and second gears, which interact with the first and second gears via corresponding overrunning clutches, third gear and conical pair of gears with step-up gear and generator, fourth and fifth gears that interact with the third gear and third and fourth blades that are kinematically joined with cord (chain) and third and fourth drums (stars), which interact with fourth and fifth gears via corresponding overrunning clutches. Converter is made of two parts that are symmetrical in respect to outlet shaft of fifth gear, in which drive gear of conical pair is motionlessly installed. The second option of energy converter consists of two parallel adjacent pipes, in the middle of which leak-tight chamber is installed, and blades are installed inside pipes.
EFFECT: increase of efficiency factor and reduction of fluid medium energy conversion net cost.
9 cl, 8 dwg