CN202690328U - Wind power generation system on water - Google Patents
Wind power generation system on water Download PDFInfo
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- CN202690328U CN202690328U CN201220316986XU CN201220316986U CN202690328U CN 202690328 U CN202690328 U CN 202690328U CN 201220316986X U CN201220316986X U CN 201220316986XU CN 201220316986 U CN201220316986 U CN 201220316986U CN 202690328 U CN202690328 U CN 202690328U
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- energy storage
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- power generation
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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
- 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
- Y02E10/727—Offshore wind turbines
Abstract
The utility model belongs to the technical field of wind power generation, and discloses a wind power generation system on water. The system comprises a floating body which has a non-metal structure or a steel structure and a fixed pitch type fan, a planetary gear box with a bearing and a flywheel, an energy accumulating device, energy storage devices and a controller which are sequentially arranged on the floating body, wherein the fixed pitch type fan is sequentially connected with the planetary gear box, the flywheel and a synchronous motor; output ends of the energy accumulating device are connected with the energy storage devices respectively; and the controller is connected with the energy accumulating device and the energy storage devices respectively and transmit a control command and state information. The wind power generation system on the water is safe and reliable, long in service life, low in cost, and convenient to install and maintain; a pile foundation is not needed; a maintenance vessel is not required; and the system is assembled offshore and can be maintained around the clock, and can also be moved to a coastal area to be maintained. The annual power generation time is more than 4,000 hours.
Description
Technical field
The utility model relates to a kind of device of technical field of wind power generation, specifically a kind of water wind-driven power generation system.
Background technique
The structure of offshore wind farm tower cylinder generally includes pile foundation, tower cylinder and generator set.Pile foundation is used for support tower cylinder and generator set, can be concrete stake basis or steel pipe pile foundation, and steel pipe pile can be divided into again single steel pipe pile or many steel pipe pile foundations; Sometimes also need do ground processes.No matter which kind of basis weight is very large, and single steel pipe pile diameter is 4 to 5 meters, and long 40 to 50 meters, weigh 300 to 450 tons, concrete stake reaches more than the kiloton.With the increase of wind-driven generator power, its weight and basis weight are increasing.Therefore marine transportation and the installation of wind-driven generator and stake machine are the cores of marine wind electric field building-up work, also are the greatest difficulty places.
Generally account for 15% to 25% of gross investment, the piling difficulty is large and be subjected to geological condition restriction, irremovable; Nonetheless also only be suitable for the depth of water less than 30 meters.Installing needs to carry out in target field, and the operations offshore difficulty is large, and its cost generally accounts for about 30% of gross investment, and because cable increases progressively with fed distance, cost generally accounts for 15% to 30% of gross investment.Need specialty lifting and maintenance vessel when blower fan breaks down, cost is high.
Extensive electric power storage energy storage technology is mainly chemical cell and physics accumulation of energy, and the physics accumulation of energy is divided into two kinds of pumped storage and pressurized air, and the pumped storage technology has its narrow limitation: need suitable place and water source, be fit to build reservoir; The construction cost that once drops into is too high, and the construction period is longer; Speed of response is slow.
Compressed-air energy storage operating cost is low, and scale is large.Germany built up grotto capacity 30 ten thousand steres, the compressed-air energy storage power station of air pressure 68-48atm, output power 290,000 kW in 1979.The U.S. and Japan built up the compressed-air energy storage power station respectively at 1991 with calendar year 2001.Narrow limitation is to need special place, and the construction cost that once drops into is too high, and must be used in conjunction with the gas turbine that does not fill preposition air compressing section.This technology is ripe not enough.
Find through the retrieval to prior art, Chinese patent literature CN1925258A, open day 2007-03-07, put down in writing a kind of " using wave and wind energy at field, coastal waters multi-hull ship power generating method ", this technology rises and descends with the wave in the ocean, the kinetic energy that produces and the generating of potential energy pushing generator cohort body, its structure comprises binary or the multi-hull ship that is comprised of hull one, hull two and hull three, but the prior art complex structure, rare earth material with costliness, numerous parts need solve seawater corrosion resistance and maintenance cost is higher, are difficult to apply.
The model utility content
The utility model is for the prior art above shortcomings, a kind of water wind-driven power generation system is proposed, the utility model is safe and reliable, long service life, low cost, do not need pile foundation, installation and easy to maintenance without maintenance vessel, is installed in the coastal waters assembling, can carry out in 24 hours during maintenance, also be movable to coastal maintenance.Annual generating dutation is generally greater than 4000 hours.Exerting oneself is subjected to the little blower fan of air speed influence, and its total price is low, and the 1.5MW gear case of blower weighs below 6 tons, all with sliding bearing or rolling bearing, and the planetary pinion case high speed axis of double double circular arc tooth shape or involute profile or cycloidal tooth profile dress flywheel; And without the independent Yawing mechanism that arranges with turn paddle mechanism.
The utility model is achieved through the following technical solutions, the utility model comprises: the floating body of nonmetal structure or steel structure and set gradually thereon fixed pitch type blower fan, the epicyclic gearbox with bearing and flywheel, energy storage apparatus, energy storage device and controller, wherein: fixed pitch type blower fan links to each other with epicyclic gearbox, flywheel and synchronous machine successively, the output terminal of energy storage apparatus links to each other with energy storage device respectively, and controller is connected with energy storage device with energy storage apparatus respectively and transmits control command and status information.
Sun gear in the described epicyclic gearbox, planet wheel and internal gear are double double circular arc tooth shape, involute profile or cycloidal tooth profile; Described bearing is arranged at the high speed shaft input end of epicyclic gearbox and adopts with sliding bearing or rolling bearing; Described flywheel is arranged at the high speed shaft output terminal of epicyclic gearbox.
Described energy storage device comprises: the multi-channel charger that is arranged at floating body inside that links to each other with controller and storage battery and the water storage tank and the gas holder that are arranged at the floating body outside, wherein: the DC charging end of multi-channel charger links to each other with the both positive and negative polarity of some group storage batteries respectively, be provided with the three-way valve that links to each other with controller between water storage tank, gas holder and the energy storage apparatus, the switching controls instruction that this three-way valve receives self-controller is to realize energy storage apparatus arbitrary being connected to water storage tank or the gas holder.
Described energy storage apparatus comprises: the synchronous machine and the compressor that link to each other with the high speed shaft output terminal of epicyclic gearbox respectively, wherein: fixed pitch type blower fan drives epicyclic gearbox and the further synchronous machine that drives produces in direct current output or the gas holder or water storage tank of drive compression machine with high-pressure air or high-pressure water flow input correspondence, is used for land fluid high-pressure generating.
Utilize only equipment cost of the utility model electricity charge, blower fan is lower than conventional fan, estimate less than at present half.Electrolysis can be with the middle example that desalinizes seawater.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the planetary gear box structure sketch.
Embodiment
The below elaborates to embodiment of the present utility model; the present embodiment is implemented under take technical solutions of the utility model as prerequisite; provided detailed mode of execution and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment
As shown in Figure 1, the present embodiment comprises: the floating body of nonmetal structure or steel structure and set gradually thereon fixed pitch type blower fan 2, the epicyclic gearbox 5 with bearing 3 and flywheel 4, energy storage apparatus 6, energy storage device 7 and controller 8, wherein: fixed pitch type blower fan 2 links to each other with epicyclic gearbox 5, flywheel 4 and synchronous machine successively, the output terminal of energy storage apparatus 6 links to each other with energy storage device 7 respectively, and controller 8 is connected with energy storage device 7 with energy storage apparatus 6 respectively and transmits control command and status information.
Described floating body is provided with GPS navigation device 12 and the flow direction vane 13 that difference controller 8 links to each other, wherein: flow direction vane 13 output wind direction signals are to controller 8, GPS navigation instrument output floating body 1 coordinate reaches towards signal to controller 8, controller 8 is to energy storage apparatus 6 output enabled instructions, make energy storage apparatus 6 drive fixed pitch type blower fan 2 through epicyclic gearbox 5, so that floating body 1 rotates along the minimum direction of power-assisted.
Described energy storage device 7 comprises: the multi-channel charger 14 that is arranged at floating body 1 inside that links to each other with controller 8 and storage battery 15 and the water storage tank 16 and the gas holder 17 that are arranged at floating body 1 outside, wherein: the DC charging end of multi-channel charger 14 links to each other with the both positive and negative polarity of some group storage batteries 15 respectively, be provided with the three-way valve 18 that links to each other with controller 8 between water storage tank 16, gas holder 17 and the energy storage apparatus 6, the switching controls instruction that this three-way valve 18 receives self-controller 8 is to realize energy storage apparatus 6 arbitrary being connected to water storage tank 16 or the gas holder 17.
Described energy storage apparatus 6 comprises: the synchronous machine and the compressor that link to each other with the high speed shaft output terminal of epicyclic gearbox 5 respectively, wherein: fixed pitch type blower fan 2 drives epicyclic gearbox 5 and the further synchronous machine that drives produces in direct current output or the gas holder 17 or water storage tank 16 of drive compression machine with high-pressure air or high-pressure water flow input correspondence, is used for land fluid high-pressure generating.
Described multi-channel charger 14 carries out simultaneously a plurality of storage batteries 15 being charged after the voltage stabilizing rectification processing according to input dc power, and sends charging signals to controller 8 after storage battery 15 is full of.
Described gas holder 17 and water storage tank 16 are made for round structure and by pre-stress concrete, composite material or steel plate.
Described three-way valve 18 built-in pressure transducers, three-way valve 18 delivery pressure signals are to controller 8 and wait for that controller 8 returns the instruction of valve cutting-off controlling when the hydrodynamic pressure in gas holder 17 or the water storage tank 16 reaches predefined value.
Described controller 8 is connected with energy storage device 7 with energy storage apparatus 6 by wireless mode.
As shown in Figure 2, the sun gear 9 in the described epicyclic gearbox 5, planet wheel 10 and internal gear 11 are double double circular arc tooth shape, involute profile or cycloidal tooth profile; Described bearing 3 is arranged at the high speed shaft input end of epicyclic gearbox 5 and adopts with sliding bearing 3 or rolling bearing 3; Described flywheel 4 is arranged at the high speed shaft output terminal of epicyclic gearbox 5.
, exert oneself and load in mixture blower fan 2 by different-diameter blower fan 2 under the condition not affecting blower fan 2 by utilizing to greatest extent the wind-resources principle to arrange blower fan 2 the wind energy turbine set planted agent; Can arrange large fan 2 at 5-7 level wind; Can arrange small-sized fan 2 at 3-5 level wind.By size collocation; High-speed fan 2 and low speed blower fan 2 collocating principles are arranged blower fan 2.Reach complementary on power generation performance and the height, can significantly improve the low velocity wind utilization ratio, economic benefit improves greatly.
The applicable depth of water of floating body is not limit.Floating body is located by GPS, drives blade because floating body is provided with motor through gear-box 5, and instigates motor to drive blade dynamic positioning at sea to allow blower fan 2 be positioned at all the time best wind-engaging orientation through gear-box 5 by flow direction vane 13.
When typhoon etc. is arranged.Floating body 1 can be sailed to the harbor.During large typhoon.Blade is unloaded.Can add heavy parts at the tower bucket, reduce large-scale accent shipment or angle fare to use.
Claims (8)
1. water wind-driven power generation system, it is characterized in that, comprise: the floating body of nonmetal structure or steel structure and set gradually thereon fixed pitch type blower fan, the epicyclic gearbox with bearing and flywheel, energy storage apparatus, energy storage device and controller, wherein: fixed pitch type blower fan links to each other with epicyclic gearbox, flywheel and synchronous machine successively, the output terminal of energy storage apparatus links to each other with energy storage device respectively, and controller is connected with energy storage device with energy storage apparatus respectively and transmits control command and status information;
Described energy storage device comprises: the multi-channel charger that is arranged at floating body inside that links to each other with controller and storage battery and the water storage tank and the gas holder that are arranged at the floating body outside, wherein: the DC charging end of multi-channel charger links to each other with the both positive and negative polarity of some group storage batteries respectively, be provided with the three-way valve that links to each other with controller between water storage tank, gas holder and the energy storage apparatus, the switching controls instruction that this three-way valve receives self-controller is to realize energy storage apparatus arbitrary being connected to water storage tank or the gas holder.
2. water wind-driven power generation according to claim 1 system is characterized in that, the sun gear in the described epicyclic gearbox, planet wheel and internal gear are double double circular arc tooth shape, involute profile or cycloidal tooth profile; Described bearing is arranged at the high speed shaft input end of epicyclic gearbox and adopts with sliding bearing or rolling bearing; Described flywheel is arranged at the high speed shaft output terminal of epicyclic gearbox.
3. water wind-driven power generation according to claim 1 system, it is characterized in that, described floating body is provided with respectively continuous GPS navigation device and the flow direction vane of controller, wherein: flow direction vane output wind direction signals is to controller, GPS navigation instrument output floating body coordinate reaches towards signal to controller, controller is exported enabled instruction to energy storage apparatus, makes energy storage apparatus drive fixed pitch type blower fan through epicyclic gearbox, so that floating body rotates along the minimum direction of power-assisted.
4. water wind-driven power generation according to claim 1 system, it is characterized in that, described energy storage apparatus comprises: the synchronous machine and the compressor that link to each other with the high speed shaft output terminal of epicyclic gearbox respectively, wherein: fixed pitch type blower fan drives epicyclic gearbox and the further synchronous machine that drives produces in direct current output or the gas holder or water storage tank of drive compression machine with high-pressure air or high-pressure water flow input correspondence, is used for land fluid high-pressure generating.
5. water wind-driven power generation according to claim 1 system is characterized in that, simultaneously to a plurality of charge in batteries, and sends charging signals to controller after storage battery is full of after described multi-channel charger carries out the voltage stabilizing rectification and processes according to input dc power.
6. according to claim 1 or 4 described water wind-driven power generation systems, it is characterized in that, described gas holder and water storage tank are round structure and are made by pre-stress concrete, composite material or steel plate.
7. water wind-driven power generation according to claim 1 system, it is characterized in that, the built-in pressure transducer of described three-way valve, three-way valve delivery pressure signal is to controller and wait for that controller returns the instruction of valve cutting-off controlling when the hydrodynamic pressure in gas holder or the water storage tank reaches predefined value.
8. according to the described water wind-driven power generation of above-mentioned arbitrary claim system, it is characterized in that, described controller is connected with energy storage device with energy storage apparatus by wireless mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220316986XU CN202690328U (en) | 2012-07-02 | 2012-07-02 | Wind power generation system on water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220316986XU CN202690328U (en) | 2012-07-02 | 2012-07-02 | Wind power generation system on water |
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| Publication Number | Publication Date |
|---|---|
| CN202690328U true CN202690328U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220316986XU Expired - Fee Related CN202690328U (en) | 2012-07-02 | 2012-07-02 | Wind power generation system on water |
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| CN (1) | CN202690328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734076A (en) * | 2012-07-02 | 2012-10-17 | 袁宗凡 | Water wind power generation system |
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2012
- 2012-07-02 CN CN201220316986XU patent/CN202690328U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734076A (en) * | 2012-07-02 | 2012-10-17 | 袁宗凡 | Water wind power generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20130702 |