CN104329205B - Water flow power generating device - Google Patents
Water flow power generating device Download PDFInfo
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- CN104329205B CN104329205B CN201410580612.2A CN201410580612A CN104329205B CN 104329205 B CN104329205 B CN 104329205B CN 201410580612 A CN201410580612 A CN 201410580612A CN 104329205 B CN104329205 B CN 104329205B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 238000007667 floating Methods 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000000725 suspension Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 9
- 241000209094 Oryza Species 0.000 claims description 8
- 235000007164 Oryza sativa Nutrition 0.000 claims description 8
- 235000009566 rice Nutrition 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000035922 thirst Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/10—Submerged units incorporating electric generators or motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention provides a water flow power generating device, which comprises an installing platform, a rotating mechanism, a tower tube, a machine cabin, a power generator, a gearbox and an impeller, wherein the installing platform is positioned on the water surface, the rotating mechanism is arranged on the installing platform, the tower tube, the machine cabin, the power generator, the gearbox and the impeller are positioned in the water, the upper end part of the tower tube is fixedly arranged on the rotating mechanism, the power generator and the gearbox are arranged at one side of the machine cabin, the impeller consists of a wheel hub and a plurality of blades, a center shaft of the wheel hub is connected with the power generator through the gearbox, the telecentric ends, far away from the center of the wheel hub, of the blades are provided with a wheel ring in a sleeving way, the wheel ring is of a cylindrical structure with the hollow side wall, and through the hollow structure of the wheel ring, the buoyancy obtained by the impeller in water counteracts the self weight of the impeller, so the impeller becomes a zero-weight impeller, the installing platform is fixedly arranged on a suspension framework consisting of a floating tube, and the suspension framework is fixed and floats on the water surface through pull ropes and ground anchors. The water flow power generating device has the advantages that the impeller can fast rotate under the water flow impact without overcoming the self weight, and the work obtained through the fast rotation is completely converted into the power generating power, so the power generating efficiency is greatly improved.
Description
Technical field
The present invention relates to a kind of TRT, particularly relate to a kind of hydroelectric installation, specifically relate to the stream generating device that the kinetic energy of a kind of current bottom horizontal flow sheet utilizing tidewater, ocean current or rivers and creeks generates electricity.
Background technology
The generating utilizing natural energy has wind-power electricity generation and hydroelectric generation, general hydroelectric generation is to build a dam in rivers, water level is raised, the potential energy utilizing water drives hydraulic turbine generating, the hydroelectric generation that the potential energy that this normal throw utilizing current is formed generates electricity must have certain water-head, and the condition that therefore arranges is restricted.In state-owned wide marine site and inland river drainage area, all the time, the water of Jiang Haili is continuous to flow, and these current contain huge energy, but current this huge energy is not fully utilized, but be allowed to oneself disappear slattern.Along with constantly reducing and the continuous pollution of environment of the energy, the new forms of energy of environment-friendly type become the demand that people expect and thirst for, and utilize the generating power by water current in tidewater, ocean current or rivers and creeks, do not produce any by-product, be a kind of environmental protection generation mode having fine development prospect.Recent years, exploration and the research and development of hydraulic power generation technology are the most in the ascendant, can be seen that from published data, utilize the TRT of the kinetic energy power generation of current bottom horizontal flow sheet, it is substantially employing and rotary body is set in water, rotary body rotation under natural flows effect is utilized to generate electricity, structure substantially can be divided into two classes, one class is the TRT of rotary shaft and plane-parallel, another kind of is the TRT of rotary shaft and horizontal plane, owing to rotary body needs to overcome the weight of self during rotating, need bigger water flow dynamic energy could start generating, therefore the generating efficiency of these stream generating devices is the highest.
Summary of the invention
For solve with present on problem, it is an object of the invention to provide a kind of generating power by water current utilizing tidewater, ocean current or rivers and creeks and the high stream generating device of generating efficiency.
For realizing object above, the stream generating device of the present invention, including being positioned at the mounting platform of the water surface, converter and transformator, mounting platform is provided below impeller, electromotor and gear-box, it is characterized in that: described stream generating device also includes the rotating mechanism being positioned on mounting platform and the tower being inverted in water and cabin, cabin is positioned at tower one end away from the water surface, and tower is fixed on rotating mechanism close to the upper end of the water surface；Described electromotor and gear-box are arranged at side, cabin；Described impeller is to be made up of wheel hub and some blades, the central shaft of wheel hub is parallel with the water surface and is connected with electromotor by gear-box, blade is socketed with torus away from the distal end of hub centre, torus is the cylindrical structure that sidewall is hollow, the buoyancy that the hollow-core construction of torus makes impeller obtain in water offsets the weight of impeller self, so that impeller becomes the impeller of null gravity；Described mounting platform is fixed on the suspension framework being made up of floating drum, and suspension framework is swum on the water surface by stay cord and earth anchorage；Electricity is transported to converter and transformator by being positioned at the cable of tower by electromotor, is connected to the grid after frequency conversion, transformation.
Entering, in order to reduce current, the resistance that impeller is subject to, accelerate the speed after current enter impeller simultaneously, more preferably improve the rotating speed of blade, the cross section that the sidewall of above-mentioned torus is parallel with central shaft is right angled triangle, and this right angled triangle is the structure that point rear end, front end is wide.
In order to make the current of entrance impeller be completely used for acting generating, the distal end of above-mentioned blade torsional angle at a certain angle is connected with the sidewall of torus, and blade inlet edge maintains a certain distance with intersection point and the torus front end edge of distal end.
In order to prevent drift and the rotation of mounting platform, above-mentioned floating drum is strip circle floating drum, suspension framework includes by crisscross " well " cabinet frame formed of some built-in buoys and the square frame that surrounded by some external floating drums, built-in buoy is fixed on the sidewall of external floating drum away from the one end at " well " cabinet frame center, mounting platform is positioned at the well head of " well " cabinet frame, and four angles of square frame respectively connect one group of stay cord and earth anchor.
For the ease of adjusting turning to of impeller in time according to the size of water (flow) direction and flow velocity, to reach stable electric generation, and also to maintenance and cleaning impeller need, above-mentioned rotating mechanism includes fixing seat, bearing, rotation seat, fixing top board, motor and speed reducer；Fixing seat is cylindrical body, is connected with mounting platform, top and fixing top board link bottom it；Rotation seat is also cylindrical body, and rotation seat is connected with fixing seat by bearing, and the bottom of rotation seat is connected with tower upper end, upper outside face is provided with the big gear teeth can being meshed with little gear；Reductor is installed on fixing top board, and motor is installed on reductor, and little geared sleeve is connected on the output shaft of reductor.
Offering the metallic plate being available for the circular hole that tower upper end is passed through centered by above-mentioned mounting platform, the outward flange of this metallic plate is fixed on " well " cabinet frame, inward flange is connected with the fixing seat of rotating mechanism.
The highly preferred 10-55 rice of above-mentioned tower, the diameter preferred 9-100 rice of impeller blade, the quantity preferred 4-50 sheet of blade, the height of torus is 0.5-8 rice.
Owing to impeller shaft and gear-box are in movable sealing state and bear the biggest pressure in deep water, in order to reduce its pressure and the not outside seepage of oil reaching in gear-box, close to the water surface but fill less than arranging an oil storage at the water surface in above-mentioned tower, this oil storage is filled and is connected with gear-box by repairing pipe, the pressure in gear-box is made to be slightly below the external pressure of co-located, guarantee that the sealing ring between impeller shaft and gear-box bears the pressure of minimum, it is ensured that the oil in gear-box will not outside seepage.
The pressure changing in gear-box to eliminate gear-box endogenous cause of ill variations in temperature causes permeability or infiltration, the top of above-mentioned oil storage tank to be provided with the expansion apparatus for regulating oil storage tank volume.
Owing to impeller shaft constantly rubs with sealing ring, time long sealing ring is impaired and produces infiltration in gear-box, in order to avoid affecting the work of gear-box after infiltration, the bottom of said gear case offers osculum, this osculum is connected with the water leg being arranged at bottom cabin by an outlet pipe, being provided with moisture detection sensor at osculum, outlet pipe is provided with electromagnetic valve, water leg is provided with water plug.
For the biology in the noise effect water in the magnetic field and gear-box that prevent electromotor, it is embedded with magnetic field sealing coat outside above-mentioned electromotor, outside gear-box, is embedded with puigging.
Above-mentioned converter is positioned at control chamber, is additionally provided with computer, switch cubicle, distribution box, electric energy meter, reactive-load compensation, emergency power supply, monitoring device, communication apparatus and various control equipment in control chamber；On the platform that control chamber and transformator are set between two mutually perpendicular built-in buoys.
In order to enable to detect in time direction and the flow velocity of current, a water (flow) direction and water velocity sensor is also set up between torus and the water surface, this sensor is connected with the computer in control room, and computer adjusts water wheels direction after calculating the data of sensor in time, thus reaches stable electric generation.
Owing to converter can send substantial amounts of heat during work, in order to converter is cooled down, the coolant inlet of above-mentioned converter heater element connects a water inlet pipe, the water inlet of this water inlet pipe is positioned at the 2-3 rice of underwater, water inlet pipe connects water pump, the coolant liquid outlet of converter heater element connects outlet pipe, and the outlet of this outlet pipe is positioned on the water surface, is drawn by hot water.
For the ease of electromotor or the maintenance of gear-box, in above-mentioned tower, it is provided with the cat ladder from the water surface to cabin.
The stream generating device of the present invention, compares with existing stream generating device, has the advantage that
1, the suspension framework that floating drum is built and the inversion tower being set up on framework are utilized, electromotor and impeller is made to be suspended in water, it is socketed torus by the blade distal end at impeller, and the sidewall of torus is emptied, the buoyancy making impeller have in water be enough to offset the gravity of impeller self, impeller quickly rotates without overcoming the weight of self under the impact of current, this quick rotation the merit obtained is completely converted into the power of generating, thus is greatly improved the efficiency of generating.
2, impeller rotates in the case of weightlessness, and centrifugal force is zero, can greatly reduce the vibration of tower, the rotation making impeller is more steady, this not only can reduce maintenance time and the expense of whole TRT, while improving generated energy, it is possible to be greatly saved the cost of generating.
3, whole TRT, the part being connected with gear-box except the central shaft of impeller needs movable sealing, and other parts need not, and therefore sealing property is content with very little.
4, utilize torus that blade is fixed, make blade obtain enough rigidity with minimum material, be substantially reduced the cost of water energy generator.
5, due to the effect of torus, the water of entrance torus is made all electromotor to be done work, it is to avoid owing to the resistance of blade makes part current radially run off, to allow the water to generator efficiency higher.
6, the stream generating device of the present invention, simple in construction, generating efficiency is high, just can generate electricity in the case of water velocity only has 0.3 meter per second, is particularly suitable in river, river, the place that has orientation current to flow in the sea generate electricity.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of stream generating device of the present invention.
Fig. 2 is the sectional structure schematic diagram of stream generating device.
Fig. 3 is the structural representation of impeller leading faces.
Fig. 4 is the structural representation that blade is connected with wheel ring-side wall.
Detailed description of the invention
As shown in Figure 1, 2, 3, the stream generating device of the present invention, including suspension framework 1, mounting platform 2, rotating mechanism 3, tower 4, cabin 5, electromotor 6, gear-box 7, impeller 8, control room 9 and transformator 10；
Suspension framework 1 includes by several built-in buoys 11 by being welded to each other " well " cabinet frame built and the square frame surrounded by several external floating drums 12, floating drum is the circular floating drum of strip, built-in buoy is fixed on the sidewall of external floating drum away from the one end at " well " cabinet frame center, four angles of square frame respectively connect one group of stay cord 13 and earth anchor, earth anchor casts in ground under water, makes framework fix and swims on the water surface；
Mounting platform 2 is square metal plate 21, and the center of metallic plate offers the circular hole 211 being available for passing through tower upper end, and the outward flange of metallic plate is fixed on the shaft mouth side of " well " cabinet frame by bolt 212；
Rotating mechanism 3 includes fixing seat 31, bearing 32, rotation seat 33, motor 34, reductor 35 and fixing top board 36；Fixing seat is cylindric, and the lower surface of fixing seat has extended radially outwards ring-type lower edge 311, and the lower edge of fixing seat is fixed in the circumferential edge of metallic plate center hole by bolt 312, and the top of fixing seat links with fixing top board 37；Rotation seat is the cylindrical shape that external diameter is less than fixing seat internal diameter, rotation seat is connected with fixing seat by metal (upper 32, the lower surface of rotation seat has extended radially inward ring-type lower edge 331, and the lateral surface on rotation seat top is provided with the big gear teeth 39 can being meshed with little gear 38；Reductor is installed on fixing top board, and motor is installed on reductor, and little geared sleeve is connected on the output shaft of reductor；
Tower 4 is inverted in water, tower upper surface has extended radially inward ring-type upper edge 41, this upper edge is connected by bolt 42 is fixing with the lower edge 331 of rotation seat, close to the water surface but the place of the water surface is provided with an oil storage tank 43 in tower, this oil storage is connected with gear-box top by repairing pipe 431 bottom filling, the pressure in gear-box thus can be made to be slightly below the external pressure of co-located, guarantee that the sealing ring between impeller shaft and gear-box bears the pressure of minimum, ensure that the oil in gear-box will not outside seepage, the top of oil storage tank is additionally provided with the expansion apparatus 432 for regulating oil storage tank volume and electromagnetic valve 433, the cat ladder 44 from the water surface to tower bottom it is additionally provided with in tower；
Cabin 5 is positioned at tower one end away from the water surface, electromotor 6 and gear-box 7 are positioned at side, cabin, the rotating shaft of electromotor is connected with gear-box, the bottom in cabin offers water leg 51, water leg is provided with water plug 52, water is caused outside tower by drinking-water pipe 521 by this water plug, for the impact on organism in water of the noise in the magnetic field and gear-box that prevent electromotor, magnetic field sealing coat 61 and puigging 71 it is embedded with outside electromotor and gear-box, osculum 711 is offered bottom gear-box, this osculum is connected with water leg by an outlet pipe 712, moisture detection sensor 713 it is provided with at osculum, electromagnetic valve 714 it is provided with on outlet pipe；
Impeller 8 is to be made up of wheel hub 81 and blade 82, the axis of wheel hub is parallel with the water surface, the central shaft 83 of wheel hub is connected with the rotating shaft of gear-box, blade is socketed with torus 84 away from the distal end of hub centre, the distal end of blade is that the torsional angle with 25 °-85 ° is connected with the sidewall of torus, the intersection point of blade inlet edge and distal end is to the 3/4-1/3 that distance a is torus height d of torus front end edge, as shown in Figure 4, the sidewall of torus is hollow-core construction 841, this hollow-core construction cross section parallel with central shaft is right angled triangle, this right angled triangle makes wheel ring-side wall be the thick structure in thin rear end, front end, the size of hollow-core construction to determine according to the weight of impeller self, so that the weight that the buoyancy that torus obtains in water can offset impeller self is as the criterion；
One platform 14 is set between mutually perpendicular two built-in buoys, control room 9 and transformator 10 are laid on the platform, converter is positioned in control room, computer it is additionally provided with in control room, switch cubicle, distribution box, electric energy meter, reactive-load compensation, emergency power supply, monitoring device, communication apparatus and various control equipment, in order to enable to detect in time direction and the flow velocity of current, a water (flow) direction and water velocity sensor (without marking in figure) is also set up between torus and the water surface, this sensor is connected with the computer in control room, computer adjusts water wheels direction after calculating the data of sensor in time, thus reach stable electric generation.
Owing to converter can send substantial amounts of heat during work, typically require employing cooling system converter is cooled down, cooling system is by coolant duct, coolant, cooling pump, fin, radiator fans etc. are constituted, the present invention is in order to cool down converter, coolant inlet at above-mentioned converter heater element connects a water inlet pipe, the water inlet of this water inlet pipe is positioned at about 2 meters, underwater place, water inlet pipe connects water pump, the coolant liquid outlet of converter heater element connects outlet pipe, the outlet of this outlet pipe is positioned on the water surface, hot water is drawn；Utilize sea water (river) that the heater element of converter is cooled down, not only save the cost of equipment, save electricity consumption when equipment runs, also reduce maintenance work.
The operation principle of stream generating device of the present invention: when normally working, by the anglec of rotation of rotating mechanism rotation seat on the regulation water surface, tower is made to turn to the impeller direction just to current, current enter impeller endlessly, driving blade rotates, the buoyancy that has of torus due to socket on blade be enough to offset the weight of impeller self, blade is without quickly rotating in the case of overcoming own wt, rotating the mechanical energy obtained and be all converted into electric energy by gear-box and electromotor, electric energy is connected to the grid after converter frequency conversion and transformator transformation；When sensor detects that the direction of current and flow velocity change, the data of sensor are calculated by computer, and regulate the anglec of rotation of rotating mechanism rotation seat on the water surface in time, change current and flow through the area of impeller, thus arrive stable electric generation；When impeller is overhauled by needs, by the anglec of rotation of rotating mechanism rotation seat on the regulation water surface, making tower turn to impeller leading faces towards vertical with current, blade is not impacted by current, remains static；Owing to current can be mingled with foreign body, when needing to remove the foreign body in impeller, by the anglec of rotation of rotating mechanism rotation seat on the regulation water surface, making tower turn to wheel backface just to current, impeller can be played good flushing action by current endlessly.
When impeller shaft and sealing ring rub for a long time and cause sealing ring to wear and tear, the water of a little outside oozes to gear-box, and owing to the proportion of water is than oil weight, water can sink to the outlet pipe of bottom after entering gear-box, read by sensor when water runs up to and to a certain degree arrives moisture detection sensing station, by computer-controlled electromagnetic valve, open electromagnetic valve, water is arranged to water leg, the water of water leg runs up to certain position, water plug pulls water out, and delivers to outside tower, greatly reduces the frequency of maintenance；When the friction produced because of gear engagement in gear-box makes the deterioration of lubricant in gear-box, as long as the electromagnetic valve opened on oil storage tank and outlet pipe simultaneously, the oil in gear-box is just discharged, then is sent into fresh oil from outlet pipe, change oil and just complete, be greatly reduced the cost of maintenance.
The stream generating device of the present invention, under conditions of water velocity is the magneto that 0.3 meter per second, electromotor are rotating speed 16 revs/min, uses the impeller of different-diameter, the different gear-box of speed ratio that rises in the different depth of water, it is thus achieved that generated energy as follows:
By data above it can be seen that the stream generating device of the present invention, generating efficiency is the highest, is a kind of clean energy resource being worth of widely use.
Claims (11)
1. a stream generating device, including being positioned at the mounting platform of the water surface, converter and transformator, mounting platform is provided below
There are impeller, electromotor and gear-box, it is characterised in that: described stream generating device also includes the rotating machine being positioned on mounting platform
Structure and the tower being inverted in water and cabin, cabin is positioned at tower one end away from the water surface, and tower is solid close to the upper end of the water surface
On rotating mechanism；Described electromotor and gear-box are arranged at side, cabin；Described impeller is by wheel hub and some blade structures
Becoming, the central shaft of wheel hub is parallel with the water surface and is connected with electromotor by gear-box, and blade is away from the distal end set of hub centre
Being connected to torus, torus is the cylindrical structure that sidewall is hollow, and the buoyancy that the hollow-core construction of torus makes impeller obtain in water is offset
The weight of impeller self；Described mounting platform is fixed on the suspension framework being made up of floating drum, and suspension framework is by stay cord and ground
Anchoring swims on the water surface surely；Electricity is transported to converter and transformator, through becoming by being positioned at the cable of tower by electromotor
Frequently, it is connected to the grid after transformation；The cross section that the sidewall of torus is parallel with central shaft is right angled triangle, and this right angled triangle is front end
The structure that point rear end is wide；The distal end of blade torsional angle at a certain angle is connected with the sidewall of torus, blade inlet edge and distal end
Intersection point and torus front end edge maintain a certain distance.
Stream generating device the most according to claim 1, it is characterised in that: described floating drum is strip circle floating drum, outstanding
Floating framework includes by crisscross " well " cabinet frame formed of some built-in buoys and the square frame that surrounded by some external floating drums, interior
Putting floating drum to be fixed on the sidewall of external floating drum away from the one end at " well " cabinet frame center, mounting platform is positioned at the well of " well " cabinet frame
Mouthful, four angles of square frame respectively connect one group of stay cord and earth anchor.
Stream generating device the most according to claim 2, it is characterised in that: described rotating mechanism include fixing seat, bearing,
Rotation seat, fixing top board, motor and speed reducer；Fixing seat is cylindrical body, is connected with mounting platform, top and fixing top bottom it
Plate links；Rotation seat is also cylindrical body, and rotation seat is connected with fixing seat by bearing, and the bottom of rotation seat is with tower upper end even
Connect, upper outside face is provided with the big gear teeth can being meshed with little gear；Reductor is installed on fixing top board, and motor is installed on and subtracts
On speed machine, little geared sleeve is connected on the output shaft of reductor.
Stream generating device the most according to claim 3, it is characterised in that: offer centered by described mounting platform and be available for
The metallic plate of the circular hole that tower upper end is passed through, the outward flange of this metallic plate is fixed on " well " cabinet frame, inward flange and rotating machine
The fixing seat of structure connects.
Stream generating device the most according to claim 4, it is characterised in that: the height of described tower is 10-55 rice, leaf
A diameter of 9-100 rice of impeller blade, the quantity of blade is 4-50 sheet, and the height of torus is 0.5-8 rice.
6. according to stream generating device arbitrary described in claim 1-5, it is characterised in that: in described tower close to the water surface but low
Arranging an oil storage at the water surface to fill, this oil storage is filled and is connected with gear-box by repairing pipe, makes the pressure in gear-box slightly below
The external pressure of co-located, it is ensured that the sealing ring between impeller shaft and gear-box bears the pressure of minimum, it is ensured that in gear-box
Oil will not outside seepage.
Stream generating device the most according to claim 6, it is characterised in that: the bottom of described gear-box offers draining
Hole, this osculum is connected with the water leg being arranged at bottom cabin by an outlet pipe, is provided with moisture detection and passes at osculum
Sensor, outlet pipe is provided with electromagnetic valve, and water leg is provided with water plug.
Stream generating device the most according to claim 7, it is characterised in that: described converter is positioned at control chamber, controls
Be additionally provided with in case computer, switch cubicle, distribution box, electric energy meter, reactive-load compensation, emergency power supply, monitoring device, communication apparatus and
Control equipment；On the platform that control chamber and transformator are set between two mutually perpendicular built-in buoys.
Stream generating device the most according to claim 8, it is characterised in that: also set up a water between described torus and the water surface
Flow path direction and water velocity sensor, this sensor is connected with the computer in control chamber, and the data of sensor are entered by computer
Row adjusts water wheels direction after calculating in time, thus reaches stable electric generation.
Stream generating device the most according to claim 9, it is characterised in that: the cooling of heater element in described converter
Liquid inlet connects a water inlet pipe, and the water inlet of this water inlet pipe is positioned at the 2-3 rice of underwater, and water inlet pipe connects water pump, becomes
Frequently the coolant liquid outlet of device heater element connects outlet pipe, and the outlet of this outlet pipe is positioned on the water surface.
11. stream generating devices according to claim 10, it is characterised in that: it is embedded with magnetic field isolation outside described electromotor
Layer, is embedded with puigging outside gear-box.
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| CN201410580612.2A CN104329205B (en) | 2014-10-27 | 2014-10-27 | Water flow power generating device |
| US15/522,257 US10495051B2 (en) | 2014-10-27 | 2015-10-15 | Power generating device having hollow structures |
| PCT/CN2015/000696 WO2016065733A1 (en) | 2014-10-27 | 2015-10-15 | Water flow power generating device |
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| WO2016065733A1 (en) * | 2014-10-27 | 2016-05-06 | 王承辉 | Water flow power generating device |
| CN104832358A (en) * | 2015-05-08 | 2015-08-12 | 王承辉 | High-efficiency water-flow power generating device |
| CN106812650A (en) * | 2015-11-30 | 2017-06-09 | 上海电气风电设备有限公司 | A kind of ocean current formula generating set tower design scheme |
| CN110067691A (en) * | 2017-02-28 | 2019-07-30 | 杭州林东新能源科技股份有限公司 | Ocean power generating device |
| CN107607734A (en) * | 2017-09-05 | 2018-01-19 | 无锡昊瑜节能环保设备有限公司 | A kind of self-powered sensing detection formula flow rate of water flow measurement apparatus |
| CN107701350B (en) * | 2017-10-30 | 2024-08-09 | 株洲南方阀门股份有限公司 | Fluid power generation device with stable power generation |
| CN108444456B (en) * | 2018-02-11 | 2020-05-08 | 华北水利水电大学 | Ecological hydrology monitoring devices |
| CN111197549B (en) * | 2018-11-16 | 2020-12-25 | 杨明恭 | Water flow power generation device |
| CN110056464B (en) * | 2019-05-05 | 2021-03-23 | 咸宁职业技术学院 | Water turbine blade structure capable of buffering instantaneous impact of water flow |
| EP4019764A4 (en) * | 2019-09-12 | 2023-02-22 | Hangzhou Lhd Institute Of New Energy, LLC | Sealing system for ocean power generation equipment |
| CN111636997B (en) * | 2020-06-08 | 2021-04-20 | 绍兴市秀臻新能源科技有限公司 | Ocean current power generation device capable of changing angle |
| CN113236470A (en) * | 2021-06-11 | 2021-08-10 | 佛山市炫鲸科技有限公司 | Constant-rotation-speed power generation method for calculating variable-angle blade based on flow velocity |
| CN114576076A (en) * | 2022-05-06 | 2022-06-03 | 杭州林东新能源科技股份有限公司 | Tidal current energy power generation device and yawing method thereof |
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