CN204663751U - A kind of high-efficient water flow electricity generating device - Google Patents
A kind of high-efficient water flow electricity generating device Download PDFInfo
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- CN204663751U CN204663751U CN201520291970.1U CN201520291970U CN204663751U CN 204663751 U CN204663751 U CN 204663751U CN 201520291970 U CN201520291970 U CN 201520291970U CN 204663751 U CN204663751 U CN 204663751U
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- impeller
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- water flow
- flow electricity
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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
Abstract
The utility model provides a kind of high-efficient water flow electricity generating device, this device comprises the mountion plate being positioned at the water surface, rotating mechanism on mountion plate and the tower cylinder be in water, cabin, generator, impeller, mountion plate is fixed on the suspension framework that is made up of floating drum, the upper end portion of tower cylinder is fixed on rotating mechanism, tower cylinder is cabin away from one end of the water surface, generator is arranged at side, cabin, impeller is made up of wheel hub and some blades, wheel hub is hollow-core construction and the water displacement of its hollow-core construction equals the weight of impeller self, wheel hub bottom surface protrudes out the central shaft of impeller, blade is socketed with torus away from the distal end of hub centre, torus is cylindrical structure.Stream generating device of the present utility model, structure is simple, easy processing, and impeller is without the need to overcoming self weight and fast rotational under the impact of current, and the merit obtained by this fast rotational is all converted into the power of generating, thus greatly improves the efficiency of generating.
Description
Technical field
the utility model relates to a kind of electricity generating device, particularly relates to a kind of hydroelectric installation, more specifically relates to a kind of high-efficient water flow electricity generating device utilizing the kinetic energy of the current bottom horizontal flow sheet in tidewater, ocean current or rivers and creeks to generate electricity.
Background technique
The generating of natural energy is utilized to have wind-power electricity generation and hydroelectric power, general hydroelectric power is built a dam in rivers, water level is raised, the potential energy of water is utilized to drive water turbine generating, the hydroelectric power that this potential energy utilizing the normal throw of current to be formed generates electricity must have certain water-head, and therefore setting model 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 let alone oneself disappear slattern.Along with the continuous minimizing of the energy and the continuous pollution of environment, the new energy of environment protection type become the demand of people's expectation and serious hope, and utilize the generating power by water current in tidewater, ocean current or rivers and creeks, not producing any by product, is 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 just in the ascendant, as can be seen from published data, utilize the electricity generating device of the kinetic energy power generation of current bottom horizontal flow sheet, substantially be all adopt to arrange solid of rotation in water, the rotation of solid of rotation under natural flows effect is utilized to generate electricity, structure can be divided into two classes substantially, one class is the electricity generating device of running shaft and plane-parallel, another kind of is the electricity generating device of running shaft and horizontal plane, because solid of rotation needs the weight overcoming self in the process rotated, need larger water flow dynamic energy could start generating, therefore the generating efficiency of these stream generating devices is not high.For above problem, claimant of the present utility model have developed a kind of new stream generating device, and applied for utility model patent on October 27th, 2014 to State Intellectual Property Office and be authorized, the patent No. is 201420624834.5, this device is the suspension framework utilizing floating drum to build and the inversion tower cylinder be set up on framework, generator and impeller is made to be suspended in water, by the blade distal end socket torus at impeller, and the sidewall of torus is emptied, the buoyancy that impeller is had in water is enough to the gravity of offsetting impeller self, impeller under the impact of current without the need to overcoming self weight and fast rotational, the merit obtained by this fast rotational is all converted into the power of generating, thus the efficiency of generating is greatly improved.In order to realize this technology under different processing conditions and environment, claimant of the present utility model have developed the stream generating device of another structure on this basis.
Summary of the invention
The purpose of this utility model be to provide a kind of utilize tidewater, ocean current or rivers and creeks generating power by water current and structure is simple, the high-efficient water flow electricity generating device of easy processing.
For realizing above object, high-efficient water flow electricity generating device of the present utility model, comprise the mountion plate being positioned at the water surface, frequency variator, transformer and the tower cylinder be positioned under water, generator and impeller, mountion plate is fixed on the suspension framework that is made up of floating drum, mountion plate is provided with rotating mechanism, the upper end portion of tower socket joint approximately level is fixed on rotating mechanism, tower cylinder is cabin away from one end of the water surface, generator is arranged at side, cabin, it is characterized in that: described impeller is made up of wheel hub and some blades, wheel hub is hollow-core construction and the water displacement of its hollow-core construction equals the weight of impeller self, wheel hub bottom surface protrudes out the central shaft of impeller, blade is socketed with torus away from the distal end of hub centre, torus is cylindrical structure.
There is to overcome gear-box the problem produced, above-mentioned generator is permanent magnet generator, and the diameter of generator is 2-10 rice, and the central shaft of impeller is directly connected with the rotating shaft of generator.
Because impeller middle spindle and alternator shaft adopt motive sealing, constantly rub in order to avoid the seal ring between impeller middle spindle and alternator shaft and make seal ring impaired, thus cause the interior work of seeping water, affecting generator of generator, above-mentioned alternator shaft front end sleeve is provided with drain tank, be connected with alternator shaft after the circular hole that the central shaft of impeller is offered through drain tank sidewall, the bottom of drain tank offers weep hole, this weep hole is connected with the collecting annulus be arranged at bottom cabin by an outlet pipe, and collecting annulus is provided with moisture acquisition sensor and water plug.
Because frequency variator can send a large amount of heat in the process of work, in order to cool frequency variator, the heater element of above-mentioned frequency variator is concatenated into the circulation loop that cools by coolant pipe and cooling liquid holding vessel, coolant recirculation pump, frequency variator, cooling liquid holding vessel, coolant recirculation pump are positioned at the control box on mountion plate, connect frequency variator heater element extend to below the water surface with the coolant pipe part of cooling liquid storage tank and be connected with a cooling coil, this cooling coil is positioned at 2-3 rice, underwater.
In order to avoid stream generating device stops generating for a long time, during temperature height than frequency variator of the ambient temperature of frequency variator periphery, compared with hot air to the colder heating original paper of frequency variator, can be congealed into the globule on heating original paper, thus cause frequency variator short circuit, the coolant pipe between above-mentioned cooling liquid holding vessel and coolant recirculation pump is provided with coolant heater.
In order to make the current entering impeller all for generating of doing work, the distal end torsional angle at a certain angle of above-mentioned blade is connected with the madial wall of torus, and intersection point and the torus front end edge of blade inlet edge and distal end maintain a certain distance.
In order to prevent drift and the rotation of mountion plate, above-mentioned floating drum is the circular floating drum of strip, suspension framework comprises by crisscross " well " cabinet frame formed of some built-in buoys and the square frame 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, the well head of mountion plate is positioned at " well " cabinet frame, 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, simultaneously also in order to overhaul and clean impeller needs, above-mentioned rotating mechanism comprises fixed base, bearing, rotation seat, fixing top board, motor and speed reducer; Fixed base is cylinder, is connected, top and fixing top board link bottom it with mountion plate; Rotation seat is also cylinder, and rotation seat is connected with fixed base by bearing, and the bottom of rotation seat is connected with tower cylinder upper end portion, upper outside face is provided with the large gear teeth that can be meshed with small gear; Speed reducer is installed on fixing top board, and motor is installed on speed reducer, and small gear is socketed on the output shaft of speed reducer.
Offer the sheet metal of the circular hole that can pass through for tower cylinder upper end portion centered by above-mentioned mountion plate, the outward edge of this sheet metal is fixed on " well " cabinet frame, inward flange is connected with the fixed base of rotating mechanism.
The preferred 10-55 rice of height of above-mentioned tower cylinder, the preferred 9-100 rice of diameter of impeller blade, the preferred 4-50 sheet of quantity of blade, the height of torus is 0.5-8 rice.
High-efficient water flow electricity generating device of the present utility model, has following advantage:
1, the suspension framework utilizing floating drum to build and the inversion tower cylinder be set up on framework, generator and impeller is made to be suspended in water, by the wheel hub of impeller is made hollow-core construction, the buoyancy that impeller is had in water is enough to the gravity of offsetting impeller self, impeller under the impact of current without the need to overcoming self weight and fast rotational, the merit obtained by this fast rotational is all converted into the power of generating, thus greatly improves the efficiency of generating.
2, impeller rotates when weightlessness, and centrifugal force is zero, can greatly reduce the vibration of tower cylinder, make the rotation of impeller more steady, this not only can reduce maintenance time and the expense of whole electricity generating device, while raising generated energy, also greatly can save the cost of generating.
3, adopt permanent magnet generator, and increase the diameter of generator, eliminate the setting of gear-box, the efficiency of generating can not only be improved, reduce noise, and the trouble that timing replacing machine oil or leakage of oil can be avoided to cause.
4, utilize the coolant pipe of seawater to frequency variator to cool, not only cooling-down effect is obvious, and can save electricity consumption when equipment runs, and also reduces maintenance work, greatly cost-saving.
5, stream generating device of the present utility model, structure is simple, easy processing, and cost is low, and generating efficiency is high, just can generate electricity when water velocity only has 0.3 meter per second, is particularly suitable in river, river, has the place of directed flow to generate electricity in the sea.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of the utility model stream generating device.
Fig. 2 is the sectional structure schematic diagram of stream generating device.
Fig. 3 is the structural representation of wheel backface.
Fig. 4 is the sectional drawing of Fig. 3 along A-A line.
Fig. 5 is that frequency variator cools the structural representation of circulation loop.
Embodiment
As shown in Figure 1, 2, 3, high-efficient water flow electricity generating device of the present utility model, comprises suspension framework 1, mountion plate 2, rotating mechanism 3, tower cylinder 4, cabin 5, generator 6, drain tank 7, impeller 8, control room 9 and transformer 10;
Suspension framework 1 comprises 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, and framework is fixedly swum on the water surface;
Mountion plate 2 is square metal plate 21, and the center of sheet metal offers the circular hole 211 that can pass through for tower cylinder upper end portion, and the outward edge of sheet metal is fixed on the shaft mouth side of " well " cabinet frame by bolt 212;
Rotating mechanism 3 comprises fixed base 31, bearing 32, rotation seat 33, motor 34, speed reducer 35 and fixing top board 36; Fixed base is cylindric, and the lower end surface outward radial of fixed base is extended with ring-type lower edge 311, and the lower edge of fixed base is fixed on by bolt 312 in the circle edge of sheet metal center hole, and top and the fixing top board 36 of fixed base link; Rotation seat is the cylindrical shape that external diameter is less than fixed base internal diameter, rotation seat is connected with fixed base by metal (upper 32, the lower end surface of rotation seat is radially extended with ring-type lower edge 331, and the outer side surface on rotation seat top is provided with the large gear teeth 38 that can be meshed with small gear 37; Speed reducer is installed on fixing top board, and motor is installed on speed reducer, and small gear is socketed on the output shaft of speed reducer;
Tower cylinder 4 is inverted in water, and tower cylinder upper-end surface is radially extended with ring-type upper edge 41, and this upper edge is fixedly connected with the lower edge 331 of rotation seat by bolt 42, is also provided with the cat ladder 43 bottom from the water surface to tower cylinder in tower cylinder;
Cabin 5 is positioned at tower cylinder one end away from the water surface, the bottom in cabin offers collecting annulus 51, collecting annulus is provided with water plug 52 and moisture acquisition sensor 53, generator 6 is positioned at side, cabin, alternator shaft front end sleeve is provided with drain tank 7, the bottom of drain tank offers weep hole 71, this weep hole is connected with collecting annulus by an outlet pipe 72, water causes outside tower cylinder by drinking-water pipe 521 by water plug, in order to prevent impact biological in the Magnetic Field on Water of generator, outside generator, be embedded with magnetic field separation layer 61;
Impeller 8 is made up of wheel hub 81 and blade 82, the axis of wheel hub is parallel with the water surface, wheel hub has hollow cavity 811, the size of hollow cavity will be determined according to the weight of impeller self, the weight that the buoyancy obtained in water to make torus can offset impeller self is as the criterion, wheel hub bottom surface protrudes out the central shaft 83 of impeller, blade is socketed with torus 84 away from the distal end of hub centre, torus is cylindrical structure, the distal end of blade is connected with the madial wall of torus with the torsional angle of 25 °-85 °, the intersection point of blade inlet edge and distal end is the 1/4-1/3 of torus height d to the distance a of torus front end edge, as shown in Figure 4,
One platform 14 is set between mutually perpendicular two built-in buoys, control room 9 and transformer 10 are laid on the platform, frequency variator is arranged in control room, also computer is provided with in control room, switch cubicle, distribution box, electric energy meter, reactive-load compensation, emergency power supply, watch-dog, communication apparatus and various control apparatus, in order to direction and the flow velocity of current can be detected in time, one water (flow) direction and water velocity sensor (without marking in figure) are also set between torus and the water surface, this sensor is connected with the computer in control room, computer adjusts water wheels direction after carrying out calculating to the data of sensor in time, thus to stable electric generation.
Because frequency variator can send a large amount of heat in the process of work, usually need to adopt cooling system to cool frequency variator, cooling system of the present invention is by coolant pipe 92 and cooling liquid holding vessel 93 by the heater element 91 of frequency variator, coolant heater 94 and coolant recirculation pump 95 are concatenated into the circulation loop that cools and are formed, frequency variator, cooling liquid holding vessel, coolant heater and coolant recirculation pump are positioned at control box, coolant pipe part between frequency variator heater element and cooling liquid storage tank extends to below the water surface and is connected with a cooling coil 96, this cooling coil is positioned at 2-3 rice, underwater, the impact that the pressure that expand generation to eliminate hydrothermal solution causes cooling liquid storage tank skin, cooling liquid holding vessel top is provided with opening, opening is socketed with expanding bag 931, as shown in Figure 5.
The working principle of the utility model stream generating device: when normally working, by regulating the angle of swing of rotating mechanism rotation seat on the water surface, tower cylinder is made to turn to impeller just to the direction of current, current enter impeller endlessly, drive vane is rotated, the buoyancy had due to impeller hub cavity is enough to the weight offsetting impeller self, blade is fast rotational when without the need to overcoming own wt, rotate the mechanical energy obtained and be all converted into electric energy by generator, electric energy is connected to the grid after frequency variator frequency conversion and transformer transformation; When sensor detects that the direction of current and flow velocity change, the data of computer to sensor calculate, and regulate the angle of swing of rotating mechanism rotation seat on the water surface in time, change the area that current flow through impeller, thus arrive stable electric generation; When needs overhaul impeller, by regulating the angle of swing of rotating mechanism rotation seat on the water surface, make tower cylinder turn to impeller leading faces towards vertical with current, blade is not subject to the impact of current, remains static; Because current can be mingled with foreign matter, when needing to remove the foreign matter in impeller, by regulating the angle of swing of rotating mechanism rotation seat on the water surface, make tower cylinder turn to wheel backface just to current, current can play good flushing action to impeller endlessly.
Claims (10)
1. a high-efficient water flow electricity generating device, comprise the mountion plate being positioned at the water surface, frequency variator, transformer and the tower cylinder be positioned under water, generator and impeller, mountion plate is fixed on the suspension framework that is made up of floating drum, mountion plate is provided with rotating mechanism, the upper end portion of tower socket joint approximately level is fixed on rotating mechanism, tower cylinder is cabin away from one end of the water surface, generator is arranged at side, cabin, it is characterized in that: described impeller is made up of wheel hub and some blades, wheel hub is hollow-core construction and the water displacement of its hollow-core construction equals the weight of impeller self, wheel hub bottom surface protrudes out the central shaft of impeller, blade is socketed with torus away from the distal end of hub centre, torus is cylindrical structure.
2. high-efficient water flow electricity generating device according to claim 1, is characterized in that: described generator is permanent magnet generator, and the diameter of generator is 2-10 rice, and the central shaft of impeller is directly connected with the rotating shaft of generator.
3. high-efficient water flow electricity generating device according to claim 2, it is characterized in that: described alternator shaft front end sleeve is provided with drain tank, be connected with alternator shaft after the circular hole that the central shaft of impeller is offered through drain tank sidewall, the bottom of drain tank offers weep hole, this weep hole is connected with the collecting annulus be arranged at bottom cabin by an outlet pipe, and collecting annulus is provided with moisture acquisition sensor and water plug.
4. the high-efficient water flow electricity generating device according to claim 1 or 3, it is characterized in that: the heater element of described frequency variator is concatenated into the circulation loop that cools by coolant pipe and cooling liquid holding vessel, coolant recirculation pump, frequency variator, cooling liquid holding vessel, coolant recirculation pump are positioned at the control box on mountion plate, coolant pipe part between frequency variator heater element and cooling liquid storage tank extends to below the water surface and is connected with a cooling coil, and this cooling coil is positioned at 2-3 rice, underwater.
5. high-efficient water flow electricity generating device according to claim 4, is characterized in that: the coolant pipe between described cooling liquid holding vessel and coolant recirculation pump is provided with coolant heater.
6. high-efficient water flow electricity generating device according to claim 5, is characterized in that: the distal end torsional angle at a certain angle of described blade is connected with the madial wall of torus, and intersection point and the torus front end edge of blade inlet edge and distal end maintain a certain distance.
7. high-efficient water flow electricity generating device according to claim 6, it is characterized in that: described floating drum is the circular floating drum of strip, suspension framework comprises by crisscross " well " cabinet frame formed of some built-in buoys and the square frame 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, the well head of mountion plate is positioned at " well " cabinet frame, four angles of square frame respectively connect one group of stay cord and earth anchor.
8. high-efficient water flow electricity generating device according to claim 7, is characterized in that: described rotating mechanism comprises fixed base, bearing, rotation seat, fixing top board, motor and speed reducer; Fixed base is cylinder, is connected, top and fixing top board link bottom it with mountion plate; Rotation seat is also cylinder, and rotation seat is connected with fixed base by bearing, and the bottom of rotation seat is connected with tower cylinder upper end portion, upper outside face is provided with the large gear teeth that can be meshed with small gear; Speed reducer is installed on fixing top board, and motor is installed on speed reducer, and small gear is socketed on the output shaft of speed reducer.
9. high-efficient water flow electricity generating device according to claim 8, it is characterized in that: the sheet metal offering the circular hole that can pass through for tower cylinder upper end portion centered by described mountion plate, the outward edge of this sheet metal is fixed on " well " cabinet frame, inward flange is connected with the fixed base of rotating mechanism.
10. high-efficient water flow electricity generating device according to claim 9, is characterized in that: the preferred 10-55 rice of height of described tower cylinder, the preferred 9-100 rice of diameter of impeller blade, and the preferred 4-50 sheet of quantity of blade, the height of torus is 0.5-8 rice.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520291970.1U CN204663751U (en) | 2015-05-08 | 2015-05-08 | A kind of high-efficient water flow electricity generating device |
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| CN201520291970.1U CN204663751U (en) | 2015-05-08 | 2015-05-08 | A kind of high-efficient water flow electricity generating device |
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| CN204663751U true CN204663751U (en) | 2015-09-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016065733A1 (en) * | 2014-10-27 | 2016-05-06 | 王承辉 | Water flow power generating device |
| WO2019101102A1 (en) * | 2017-11-24 | 2019-05-31 | 李亦博 | Hydroelectric generator in low flow rate conditions |
-
2015
- 2015-05-08 CN CN201520291970.1U patent/CN204663751U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016065733A1 (en) * | 2014-10-27 | 2016-05-06 | 王承辉 | Water flow power generating device |
| US10495051B2 (en) | 2014-10-27 | 2019-12-03 | Chenghui Wang | Power generating device having hollow structures |
| WO2019101102A1 (en) * | 2017-11-24 | 2019-05-31 | 李亦博 | Hydroelectric generator in low flow rate conditions |
| CN111727315A (en) * | 2017-11-24 | 2020-09-29 | 李亦博 | Low-flow-speed hydroelectric generator |
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