CN103277256A - Wind power system based on complex speed-up mechanism - Google Patents
Wind power system based on complex speed-up mechanism Download PDFInfo
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- CN103277256A CN103277256A CN2013102121701A CN201310212170A CN103277256A CN 103277256 A CN103277256 A CN 103277256A CN 2013102121701 A CN2013102121701 A CN 2013102121701A CN 201310212170 A CN201310212170 A CN 201310212170A CN 103277256 A CN103277256 A CN 103277256A
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The invention discloses a wind power system based on a complex speed-up mechanism. The wind power system comprises a wind-to-mechanical energy conversion system, a mechanical-to-hydraulic energy conversion system, a hydraulic energy storage mechanism, a hydraulic-to-electric energy conversion system, and a grid-connected system. The wind-to-mechanical energy conversion system comprises two mutually meshing gear systems, and one gear system is fitted to the mechanical-to-hydraulic energy conversion system and used for converting mechanical energy into hydraulic energy. The wind power system based on the complex speed-up mechanism has the advantages that a hydraulic pump is driven by the novel gear speed-up mechanism to convert wind energy into hydraulic energy, efficiency of a gearbox is improved, mounting and maintenance costs are saved effectively, hydraulic energy is converted to electric energy through a variable displacement motor and a generator unit, and accordingly generator speed is stabilized and power generation quality is improved.
Description
Technical field
The present invention relates to and a kind of new gear speed increasing mechanism, particularly a kind of wind-power generating system based on compound speed increasing mechanism belongs to the Oversea wind power generation field.
Background technique
Because the exhausted day by day and human pollution to environment of fossil fuel, the exploitation of new energy and renewable energy sources has obtained paying close attention to widely.Wind energy is as a kind of renewable energy sources, and advantage has obtained development rapidly because its safety, cleaning, storage volume is huge etc.
Traditional wind generating unit adopts an energy-conversion technique that wind energy is converted into mechanical energy by gear speeder, drives generator then and generates electricity.Because traditional bulky, difficult unstability of adding the nature wind speed of installation and maintenance of gear up mechanism has caused a series of problem.This shows that there is following problem in traditional wind-power electricity generation: traditional gear up mechanism volume weight is huge, expensive, installation and maintenance cost lot of manpower and material resources.When wind speed was lower, owing to blade can only rotate with slower speed, and generator needed high rotational speed, and this just needs a cover speed increasing mechanism, and often the speed increasing mechanism price is very expensive, and this is with regard to cost of increase.Because the instability of natural wind, traditional blower fan gear up is than being constant, and this has just caused generator speed not steady, thereby has influenced the quality of generating.
Summary of the invention
The problems referred to above at wind generating unit existence in the prior art, be that gear-box inefficiency, installation and maintenance cost are too high, the low problem of generating quality, the invention provides a kind of wind-power generating system based on compound speed increasing mechanism, drive oil hydraulic pump by the new gear speed increasing mechanism and carry out wind energy to the conversion of hydraulic pressure energy, realize that by variable displacement motor, generator set hydraulic pressure can be to the conversion of electric energy more simultaneously.
Technological scheme of the present invention is:
A kind of wind-power generating system based on compound speed increasing mechanism, comprise wind energy can converting system, hydraulic accumulation energy mechanism to mechanical energy conversion system, mechanical energy to hydraulic pressure, hydraulic pressure can be to electric energy converting system, grid-connected system, described wind energy comprises two cover pitch wheel systems to mechanical energy conversion system, wherein the set of gears system can converting system match to hydraulic pressure with described mechanical energy, is used for mechanical energy is converted to the hydraulic pressure energy.
Further, described wind energy comprises air guide sleeve, driving gear front cover, clamping panel, driven gear, driving gear, driving gear rear end cover, center multidiameter shaft, cabinet, empennage, pylon, bearing, blade to mechanical energy conversion system; Described air guide sleeve is fixedly set in the front end of center multidiameter shaft; The rear end of air guide sleeve is provided with and air guide sleeve driving gear front cover separately, be provided with respectively the driving gear of fixedlying connected with the driving gear rear end cover with the driving gear front cover between driving gear front cover and the driving gear rear end cover, driving gear front cover and driving gear rear end cover are passed in the multidiameter shaft activity of described center, driving gear, driving gear front cover, driving gear rear end cover can be rotated around the center multidiameter shaft, and described blade is fixedlyed connected with driving gear; Described driven gear and driven gear central shaft are connected, the rich center of described driven gear central shaft multidiameter shaft is provided with several, the distance of driven gear central shaft and center multidiameter shaft guarantees that the gear teeth of driving gear and driven gear are meshing with each other, clamping panel movable supporting on the multidiameter shaft of center is located at by fixed cover in driven gear central shaft two ends, drives the rotation of driven gear central shaft when driven gear rotates; Described cabinet fixed cover is located at multidiameter shaft rear, center, and empennage is connected with the rear end of center multidiameter shaft, and described pylon is arranged at the cabinet below, and the bearing that freely turns to for blower fan is equipped with in the joint of pylon and cabinet.
Further, described center multidiameter shaft is provided with boss, fit in the left side of the right side of described driving gear front cover and center multidiameter shaft boss, and keep the 2-3mm surplus, fit with air guide sleeve in described driving gear front cover left side, the same 2-3mm surplus that keeps is used for guaranteeing that driving gear, driving gear front cover and driving gear rear end cover only rotate around the center multidiameter shaft.
Further, described mechanical energy can converting system comprise driven gear central shaft, coupling, oil hydraulic pump, inflow pipeline, flowline, one-way valve to hydraulic pressure; Described oil hydraulic pump is connected with the driven gear central shaft by coupling, one end of inflow pipeline is connected with the filler opening of oil hydraulic pump, and the other end is connected with fuel tank, and inflow pipeline is provided with one-way valve, one end of flowline is connected with the oil outlet of oil hydraulic pump, and the other end is connected with hydraulic accumulation energy mechanism.
Further, described hydraulic accumulation energy mechanism is hydraulic energy storage device, and the filler opening of described hydraulic energy storage device is connected with flowline.
Further, described hydraulic pressure can comprise speed control unit, variable hydraulic motor, generator set, electric energy feedback unit to the electric energy converting system, the outlet of described hydraulic accumulation energy mechanism is connected with variable hydraulic motor through speed control unit, speed control unit is used for coming by the discharge capacity of controlled variable oil hydraulic motor the rotational speed of controlled variable oil hydraulic motor, the other end of variable hydraulic motor is connected with generator set, and generator set is connected with speed control unit by the electric energy feedback unit.
Further, the electric energy that sends of described generator set is connected with electrical network by described grid-connected system.
The invention has the beneficial effects as follows:
1, a kind of wind-power generating system based on compound speed increasing mechanism of the present invention carries out wind energy to the conversion of hydraulic pressure energy by new gear speed increasing mechanism drive oil hydraulic pump, has improved the efficient of gear-box, has effectively saved the installation and maintenance cost;
2, a kind of wind-power generating system based on compound speed increasing mechanism of the present invention realizes that by variable displacement motor, generator set hydraulic pressure can make generator speed steady to the conversion of electric energy, thereby has improved the quality of generating.
Description of drawings
Fig. 1 always schemes for the structure of a kind of wind-power generating system based on compound speed increasing mechanism of the present invention;
Fig. 2 is the structural drawing of speed increasing mechanism;
Fig. 3 is hydraulic schematic diagram.
Among the figure: 1, air guide sleeve; 2, driving gear front cover; 3, oil hydraulic pump; 4, clamping panel; 5, driven gear; 6, driving gear; 7, driven gear central shaft; 8, screw; 9, driving gear rear end cover; 10, center multidiameter shaft; 11, cabinet; 12, empennage; 13, pylon; 14, bearing; 15, blade; 16, inflow pipeline; 17, flowline; 18, hydraulic energy storage device; 19, speed control unit 20, fuel tank; 21, variable hydraulic motor; 22, generator set; 23, electric energy feedback unit; 24, coupling; 25, one-way valve.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
The structure of a kind of wind-power generating system based on compound speed increasing mechanism of the present invention as shown in Figure 1, comprise wind energy can converting system to mechanical energy conversion system, mechanical energy to hydraulic pressure, hydraulic pressure can be to electric energy converting system, speed control unit, electric energy feedback unit.
Wind energy is mechanical energy by novel speed increasing mechanism with wind energy transformation mainly to mechanical energy conversion system, from left to right comprises air guide sleeve 1, driving gear front cover 2, clamping panel 4, driven gear 5, driving gear 6, driving gear rear end cover 9, center multidiameter shaft 10, cabinet 11, empennage 12, pylon 13, swivel bearing 14, blade 15 successively.Air guide sleeve 1 is connected with center multidiameter shaft 10 by screw thread, (reservation 2-3mm) fits for its right-hand member and driving gear 6 front covers left side, driving gear 6 is connected by screw 8 with driving gear front cover 2, driving gear rear end cover 9 and is enclosed within on the center multidiameter shaft 10, by air guide sleeve 1 and center multidiameter shaft 10 boss constant bearings.Blade 15 is affixed with driving gear 6.Driven gear 4 is connected with clamping panel 4 by driven gear central shaft 7.Clamping panel 4 is fastened on the center multidiameter shaft 10, and driven gear 4 is fastened on the driven gear central shaft 7.Empennage 12 and center multidiameter shaft 10 are by being threaded and fitting with casing 11 back.Pylon 13 and cabinet 11 are by being welded to connect, and pylon 13 is equipped with bearing 14 with cabinet 11 welds below, is used for freely turning to of blower fan.When wind speed reaches the startup wind speed, blade 15 rotations drive driving gears 6 and together rotate with the driving gear front and rear cover, drive driven gear 5 rotations by engagement, transform to mechanical energy thereby finish wind energy, have also finished the requirement of speedup simultaneously.
Mechanical energy comprises driven gear central shaft 7, coupling 24, oil hydraulic pump 3, inflow pipeline 16, flowline 17, one-way valve 25 to hydraulic pressure energy converter structure.Oil hydraulic pump 3 is connected with driven gear central shaft 7 by coupling 24, inflow pipeline 16 1 ends are connected with the filler opening of oil hydraulic pump 3, the other end is connected with fuel tank 20, one-way valve 25 is connected with inflow pipeline 16, flowline 17 1 ends are connected with the oil outlet of oil hydraulic pump 3, and the other end is connected with hydraulic accumulator 18 filler openings.The installation number of oil hydraulic pump 3 is relevant with the driven gear number.Driven gear 5 is by driving gear 6 driven rotary when wind speed reaches the startup wind speed, because driven gear 4 is fixed with driven gear central shaft 7, therefore driven gear central shaft 7 also rotates, and drives oil hydraulic pump 3 work by coupling, can change to hydraulic pressure thereby finish rotating mechanical energy.
Hydraulic accumulation energy mechanism is the mechanism that the hydraulic pressure that mechanical energy transforms can be stored, and comprises hydraulic energy storage device 18, speed control unit 19.Flowline 17 is connected with the filler opening of hydraulic energy storage device 18, and the oil outlet of hydraulic energy storage device 18 is connected with variable hydraulic motor 21 through speed control unit 19.Come the discharge capacity of controlled variable oil hydraulic motor 21 by speed control unit 19, thus the rotational speed of controlled variable oil hydraulic motor 21.
Hydraulic pressure can be the device that hydraulic pressure can be converted to firm power energy to the electric energy converting system, comprises variable hydraulic motor 21, generator set 22, electric energy feedback unit 23.Variable hydraulic motor 21 filler openings are connected with the oil outlet of hydraulic energy storage device 18, and variable hydraulic motor 21 delivery outlets are connected with generator set 22.The electric energy that generator set 22 sends is connected with electrical network by grid-connecting apparatus.Hydraulic accumulation energy mechanism provides high pressure oil by speed control unit 19 to variable hydraulic motor 21, make variable hydraulic motor 21 rotate, thereby drive generator set 22 work, the electric energy that sends feeds back to speed control unit 19 via electric energy feedback unit 23, regulate the flow of hydraulic variable motor 21, thereby the rotating speed of control generator set 22 improves the quality of generating.
When wind speed reaches when starting wind speed, because driving gear 6 and blade 15 are connected by screw, together rotation has driven the rotation of driven gear 5, thus the feasible oil hydraulic pump that is connected with gear shaft 3 work, finished mechanical speedup and hydraulic accumulation energy.Hydraulic accumulation energy mechanism provides high pressure oil to variable hydraulic motor 21, makes variable hydraulic motor 21 work, thereby has driven generator set 22 work.The electric energy that grid-connecting apparatus sends generator set 22 is parallel on the electrical network, by electric energy feedback unit 23 electric energy that sends is fed back to speed control unit 19 simultaneously, control the discharge capacity of variable hydraulic motor 21, thereby controlled the rotating speed of generator set 22, improved generating efficiency.
The above only is preferred embodiment of the present invention, not in order to limit the present invention.All any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. wind-power generating system based on compound speed increasing mechanism, it is characterized in that: comprise wind energy can converting system, hydraulic accumulation energy mechanism to mechanical energy conversion system, mechanical energy to hydraulic pressure, hydraulic pressure can be to electric energy converting system, grid-connected system, described wind energy comprises two cover pitch wheel systems to mechanical energy conversion system, wherein the set of gears system can converting system match to hydraulic pressure with described mechanical energy, is used for mechanical energy is converted to the hydraulic pressure energy.
2. a kind of wind-power generating system based on compound speed increasing mechanism according to claim 1, it is characterized in that: described wind energy comprises air guide sleeve (1), driving gear front cover (2), clamping panel (4), driven gear (5), driving gear (6), driving gear rear end cover (9), center multidiameter shaft (10), cabinet (11), empennage (12), pylon (13), bearing (14), blade (15) to mechanical energy conversion system; Described air guide sleeve (1) is fixedly set in the front end of center multidiameter shaft (10); The rear end of air guide sleeve (1) is provided with and air guide sleeve (1) driving gear front cover (2) separately, be provided with respectively the driving gear (6) of fixedlying connected with driving gear rear end cover (9) with driving gear front cover (2) between driving gear front cover (2) and the driving gear rear end cover (9), driving gear front cover (2) and driving gear rear end cover (9) are passed in described center multidiameter shaft (10) activity, make driving gear (6), driving gear front cover (2), driving gear rear end cover (9) can be around center multidiameter shaft (10) rotation, and described blade (15) is fixedlyed connected with driving gear (6); Described driven gear (5) is connected with driven gear central shaft (7), the rich center multidiameter shaft (10) of described driven gear central shaft (7) is provided with several, driven gear central shaft (7) guarantees that with the distance of center multidiameter shaft (10) driving gear (6) and the gear teeth of driven gear (5) are meshing with each other, clamping panel (4) movable supporting on the center multidiameter shaft (10) is located at by fixed cover in driven gear central shaft (7) two ends, drives driven gear central shaft (7) rotation when driven gear (5) rotates; Described cabinet (11) fixed cover is located at center multidiameter shaft (10) rear, empennage (12) is connected with the rear end of center multidiameter shaft (10), described pylon (13) is arranged at cabinet (11) below, and pylon (13) is equipped with the bearing (14) that freely turns to for blower fan with the joint of cabinet (11).
3. a kind of wind-power generating system based on compound speed increasing mechanism according to claim 2, it is characterized in that: described center multidiameter shaft (10) is provided with boss, fit in the left side of the right side of described driving gear front cover (2) and center multidiameter shaft (10) boss, and keep 2 ~ 3mm surplus, fit with air guide sleeve (1) in described driving gear front cover (2) left side, same 2 ~ 3mm surplus that keeps is used for guaranteeing that driving gear (6), driving gear front cover (2) and driving gear rear end cover (9) only rotate around center multidiameter shaft (10).
4. a kind of wind-power generating system based on compound speed increasing mechanism according to claim 1 is characterized in that: described mechanical energy can converting system comprise driven gear central shaft (7), coupling (24), oil hydraulic pump (3), inflow pipeline (16), flowline (17), one-way valve (25) to hydraulic pressure; Described oil hydraulic pump (3) is connected with driven gear central shaft (7) by coupling (24), one end of inflow pipeline (16) is connected with the filler opening of oil hydraulic pump (3), the other end is connected with fuel tank (20), inflow pipeline (16) is provided with one-way valve (25), one end of flowline (17) is connected with the oil outlet of oil hydraulic pump (3), and the other end is connected with hydraulic accumulation energy mechanism.
5. a kind of wind-power generating system based on compound speed increasing mechanism according to claim 1 is characterized in that: described hydraulic accumulation energy mechanism is hydraulic energy storage device (18), and the filler opening of described hydraulic energy storage device (18) is connected with flowline (17).
6. a kind of wind-power generating system based on compound speed increasing mechanism according to claim 1, it is characterized in that: described hydraulic pressure can comprise speed control unit (19) to the electric energy converting system, variable hydraulic motor (21), generator set (22), electric energy feedback unit (23), the outlet of described hydraulic accumulation energy mechanism is connected with variable hydraulic motor (21) through speed control unit (19), speed control unit (19) is used for coming by the discharge capacity of controlled variable oil hydraulic motor (21) rotational speed of controlled variable oil hydraulic motor (21), the other end of variable hydraulic motor (21) is connected with generator set (22), and generator set is connected with speed control unit (19) by electric energy feedback unit (23).
7. a kind of wind-power generating system based on compound speed increasing mechanism according to claim 1, it is characterized in that: the electric energy that described generator set (22) sends is connected with electrical network by described grid-connected system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310212170.1A CN103277256B (en) | 2013-05-31 | 2013-05-31 | Wind power system based on complex speed-up mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310212170.1A CN103277256B (en) | 2013-05-31 | 2013-05-31 | Wind power system based on complex speed-up mechanism |
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| CN103277256A true CN103277256A (en) | 2013-09-04 |
| CN103277256B CN103277256B (en) | 2015-07-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905711A (en) * | 2019-12-11 | 2020-03-24 | 尚彦 | Automatic control system and automatic control method for water pumping and energy storage |
| CN112610409A (en) * | 2021-01-12 | 2021-04-06 | 王恩芽 | Speed-stabilizing and propeller-changing type wind driven generator |
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| GB2370614A (en) * | 2002-03-12 | 2002-07-03 | Peter Richards | Wind-driven power generating apparatus having an hydraulic turbine |
| US20030168862A1 (en) * | 2001-12-21 | 2003-09-11 | Komatsu Ltd. | Aerogenerator |
| CN101268275A (en) * | 2005-07-27 | 2008-09-17 | 弗兰克·麦克林蒂克 | Methods and apparatus for advanced wind turbine design |
| DE102008036100A1 (en) * | 2007-08-08 | 2009-02-12 | Rosenich, Stefan | Wind power plant has tower, wind wheel and generator, which is operated in motor operation and drives in operating condition of air compressor with electrical net energy |
| CN102141013A (en) * | 2011-03-10 | 2011-08-03 | 江苏大学 | Hydraulic constant-rotation speed output speed increaser for wind driven generating system |
| CN203297042U (en) * | 2013-05-31 | 2013-11-20 | 江苏大学 | Wind power generation system based on compound acceleration mechanism |
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2013
- 2013-05-31 CN CN201310212170.1A patent/CN103277256B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030168862A1 (en) * | 2001-12-21 | 2003-09-11 | Komatsu Ltd. | Aerogenerator |
| GB2370614A (en) * | 2002-03-12 | 2002-07-03 | Peter Richards | Wind-driven power generating apparatus having an hydraulic turbine |
| CN101268275A (en) * | 2005-07-27 | 2008-09-17 | 弗兰克·麦克林蒂克 | Methods and apparatus for advanced wind turbine design |
| DE102008036100A1 (en) * | 2007-08-08 | 2009-02-12 | Rosenich, Stefan | Wind power plant has tower, wind wheel and generator, which is operated in motor operation and drives in operating condition of air compressor with electrical net energy |
| CN102141013A (en) * | 2011-03-10 | 2011-08-03 | 江苏大学 | Hydraulic constant-rotation speed output speed increaser for wind driven generating system |
| CN203297042U (en) * | 2013-05-31 | 2013-11-20 | 江苏大学 | Wind power generation system based on compound acceleration mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905711A (en) * | 2019-12-11 | 2020-03-24 | 尚彦 | Automatic control system and automatic control method for water pumping and energy storage |
| CN112610409A (en) * | 2021-01-12 | 2021-04-06 | 王恩芽 | Speed-stabilizing and propeller-changing type wind driven generator |
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| CN103277256B (en) | 2015-07-08 |
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