CN202194778U - Wind-driven generator - Google Patents
Wind-driven generator Download PDFInfo
- Publication number
- CN202194778U CN202194778U CN2011202999958U CN201120299995U CN202194778U CN 202194778 U CN202194778 U CN 202194778U CN 2011202999958 U CN2011202999958 U CN 2011202999958U CN 201120299995 U CN201120299995 U CN 201120299995U CN 202194778 U CN202194778 U CN 202194778U
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- Prior art keywords
- wind
- oil hydraulic
- driven generator
- hydraulic motor
- hydraulic pump
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000007788 liquid Substances 0.000 claims abstract description 15
- 230000005611 electricity Effects 0.000 claims description 25
- 238000012546 transfer Methods 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims description 4
- 238000010248 power generation Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 7
- 238000011161 development Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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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- Wind Motors (AREA)
Abstract
The utility model provides a wind driven generator, include: a wind wheel including a hub and blades mounted on the hub, for capturing wind energy and converting the captured wind energy into mechanical energy; the hydraulic pump is connected with the wind wheel and used for absorbing mechanical energy and generating high-pressure liquid with the pressure greater than a first preset threshold value through the mechanical energy; the hydraulic motor comprises an output shaft, is used for receiving the high-pressure liquid generated by the hydraulic pump and drives the output shaft to rotate by the high-pressure liquid; and the power generation device is connected with the hydraulic motor and driven by an output shaft of the hydraulic motor to generate power. Aerogenerator can effectual weight, the reduce cost who alleviates aerogenerator.
Description
Technical field
The utility model relates to wind power generation field, is meant a kind of wind-driven generator especially.
Background technique
Along with becoming increasingly conspicuous of social energy problem, environmental problem, more and more important role is played the part of in the development and use of new energy in development of human society.Advantages such as that wind-power electricity generation has is renewable, aboundresources, environmental protection, cost of electricity-generating are relatively low have become the important way that new energy development utilizes, and play an important role to building novel low-carbon society.
Most high-speed wind power generator or the direct-driving type wind power generation machines that adopt band gear-box speedup of the ripe in the market wind-driven generator of using.Along with the demand that the maturation and the development, particularly Oversea wind power generation of wind generating technology are maximized to machine, the wind-driven generator single-machine capacity has the trend that maximizes gradually.Existing wind-driven generator single-machine capacity has reached 6MW-7MW; Increase along with the wind-driven generator single-machine capacity; The weight of wind-driven generator also increases thereupon, and the weight of existing 6MW wind-driven generator has reached the hundreds of ton, and this makes that tower tube and the basis of supporting wind-driven generator are also more and more heavier; Meanwhile, the increase of wind-driven generator weight also brings certain difficulty to the transportation and the installation at sea.In addition, because wind-driven generator weight is very heavy, marine environment is relatively more abominable again, severse weathers such as heavy storm often occur, and the load that the blade of wind-driven generator, cabin, tower tube, basis are born is also very big, greatly influences the working life of wind-driven generator.The reliability of wind-driven generator, maintainable most important for offshore wind generating, this influences the earning rate of wind energy turbine set investment concerning the operation and the maintenance cost of sea turn field.Therefore, along with the maximization of wind-driven generator, the light-weight design of wind-driven generator, improve its reliability etc. and become more and more important.
The model utility content
The utility model proposes a kind of wind-driven generator, can effectively alleviate wind-driven generator weight, reduce cost.
The technological scheme of the utility model is achieved in that
A kind of wind-driven generator comprises:
Wind wheel comprises wheel hub and is installed in the blade on the said wheel hub, is used for capturing wind energy, and converts the wind energy of catching into mechanical energy;
Oil hydraulic pump is connected with said wind wheel, is used to absorb mechanical energy, and produces the highly pressurised liquid of pressure greater than first predetermined threshold value through mechanical energy;
Oil hydraulic motor comprises output shaft, is used to receive the highly pressurised liquid that said oil hydraulic pump produces, and is rotated by the said output shaft of high pressure liquid drives;
Electricity generating device is connected with said oil hydraulic motor, by said hydraulic motor output shaft driving and generating electric energy.
Preferably, also comprise:
The hydraulic pressure transfer conduit connects said oil hydraulic pump and said oil hydraulic motor, is used for the highly pressurised liquid that said oil hydraulic pump produces is delivered to said oil hydraulic motor.
Preferably, the quantity of said oil hydraulic pump is a plurality of, and the quantity of said oil hydraulic motor and the quantity of said oil hydraulic pump are complementary, and connects through said hydraulic pressure transfer conduit is corresponding respectively;
The quantity of said electricity generating device and the quantity of said oil hydraulic motor are complementary, and distinguish corresponding connection with said oil hydraulic motor.
Preferably, also comprise:
Judgment means is used to judge that the wind-force of said wind energy is big or small, and produces corresponding judgment information according to the wind-force of wind energy;
Control gear, the wind-force that is used for showing wind energy when said judgement information are during less than second predetermined threshold value, and the oil hydraulic pump of control respective numbers cuts out.
Preferably, also comprise:
The tower tube, said oil hydraulic motor and said electricity generating device are arranged at the top platform of said tower tube.
Preferably, also comprise:
The cabin is arranged at the top of said tower tube, and said oil hydraulic pump is arranged in the said cabin.
Preferably, also comprise:
Output unit is arranged in the said tower tube, and the power delivery that is used for said electricity generating device is produced is to external electrical network.
The utility model technological scheme adopts hydraulic transmission to replace traditional gear transmission or other kind of drive, and the energy transfer of wind-driven generator realizes through hydraulic pressure, compares traditional wind-driven generator and can omit bulky and heavy gear-box; The utility model also can not need adopt generator heavy as direct wind-driven generator; Greatly alleviated the weight of wind-driven generator; Thereby make the rationally distributed of each parts of wind-driven generator, effectively alleviated wind-driven generator weight, reduced cost; Further, Hydraulic Power Transmission System can adopt a plurality of oil hydraulic pumps, oil hydraulic motor and electricity generating device, can the control section oil hydraulic pump under the situation of low wind speed, oil hydraulic motor and electricity generating device quit work, help raising the efficiency working life with each parts.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of wind-driven generator first embodiment's of the utility model a structural representation;
Fig. 2 is a kind of another embodiment's of wind-driven generator of the utility model a structural representation;
Fig. 3 is the principle schematic of the said wind-driven generator of Fig. 2.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technological scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
With reference to Fig. 1, in a kind of wind-driven generator first embodiment of the utility model, said wind-driven generator 100 comprises wind wheel 1, oil hydraulic pump 2, oil hydraulic motor 6 and electricity generating device 7.
Said wind wheel 1 comprises wheel hub and is arranged on the blade on the said wheel hub, is used for capturing wind energy, and converts the wind energy of catching into mechanical energy.
Said oil hydraulic pump 2 is connected with said wind wheel 1, is used to absorb mechanical energy, and produces the highly pressurised liquid of pressure greater than first predetermined threshold value through mechanical energy.
Said first predetermined threshold value can be set according to conditions of demand and actual demand, can be 1MPa, 3MPa, 5MPa or other numerical value like said first predetermined threshold value, and the utility model does not limit this.
Said oil hydraulic motor 6 comprises output shaft, is used to receive the highly pressurised liquid that said oil hydraulic pump 2 produces, and is rotated by the said output shaft of high pressure liquid drives.
Said electricity generating device 7 is connected with said oil hydraulic motor 6, and the drive work by the rotation of said oil hydraulic motor 6 output shafts produces electric energy.
In another embodiment of the utility model, said wind-driven generator 100 also comprises:
Hydraulic pressure transfer conduit 3 connects said oil hydraulic pump 2 and said oil hydraulic motor 6, is used for the highly pressurised liquid that said oil hydraulic pump 2 produces is delivered to said oil hydraulic motor 6.
In addition, said wind-driven generator 100 also comprises tower tube 8, and said oil hydraulic motor 6 is arranged in the said tower tube 8 with said electricity generating device 7.Preferably said oil hydraulic motor 6 is arranged on the top platform in the said tower tube 8 with said electricity generating device 7, and oil hydraulic motor 6 and electricity generating device 7 are arranged in the tower tube 8, can alleviate the weight in cabin, can shorten the hydraulic pressure transmission path, reduces energy loss.
In addition, said wind-driven generator 100 also comprises:
Preferably, said wind-driven generator 100 also comprises:
Output unit is arranged in the said tower tube 8, and the power delivery that is used for said electricity generating device 7 is produced is to external electrical network.
The technological scheme of the utility model adopts hydraulic transmission to replace traditional gear transmission or other kind of drive; The energy transfer of wind-driven generator realizes through hydraulic pressure; Compare traditional wind-driven generator and can omit Heavy Weight, bulky gear-box; Also can not need adopt generator heavy as the wind-driven generator that directly becomes, greatly alleviated the weight of wind-driven generator, thereby made the rationally distributed of whole wind power generator 100 each parts; Effectively alleviate the weight of wind-driven generator, and reduced cost; Further, oil hydraulic motor 6 and electricity generating device 7 are arranged in the tower tube 8, can alleviate the weight in cabin 5, can shorten the hydraulic pressure transmission path, reduce energy loss.
With reference to Fig. 2; In another embodiment of a kind of wind-driven generator 100 of the utility model; Said wind-driven generator 100 also comprises a plurality of oil hydraulic pump 2, a plurality of oil hydraulic motor 6 and a plurality of electricity generating device 7, in a preferred embodiment except comprising wind wheel 1; The quantity of said oil hydraulic pump 2, oil hydraulic motor 6 and electricity generating device 7 equates; And oil hydraulic pump 2, oil hydraulic motor 6 and electricity generating device 7 connect one to one respectively, and promptly oil hydraulic pump 2 connects an oil hydraulic motor 6, an oil hydraulic motor 6 connects an electricity generating device 7, can connect through hydraulic pressure transfer conduit 3 between said oil hydraulic pump 2 and the said oil hydraulic motor 6.
In addition, said wind-driven generator 100 can also comprise:
Judgment means 9 is used to judge that the wind-force of said wind energy is big or small, and produces corresponding judgment information according to the wind-force of wind energy.
Said judgment means 9 is used to judge the size of wind-force, and said judgement information is the information of expression wind-force size.
Said second predetermined threshold value can be set according to conditions of demand and actual demand, can be 3 grades, 5 grades, 8 grades or other numerical value like said second predetermined threshold value, and the utility model does not limit this.
Said control gear 4 cuts out according to the oil hydraulic pump 2 of corresponding wind control respective amount, and wherein, the size of said wind-force and the corresponding relation of closing between the quantity of oil hydraulic pump 2 also can be according to actual conditions and actual demand settings; When being 6 grades, close 1 oil hydraulic pump 2, when wind-force is 5 grades like wind-force; Close 2 oil hydraulic pumps 2 ... In addition, the size of said wind-force and close the corresponding relation that other can also be arranged between quantity of oil hydraulic pump 2, the utility model does not limit this.
After oil hydraulic pump 2 cuts out; The corresponding oil hydraulic motor 6 and the electricity generating device 7 that are connected with oil hydraulic pump 2 also quit work; Also be the control oil hydraulic motor 6 and electricity generating device 7 that said control gear 4 can be indirect; Certainly, it is understandable that said control gear 4 also can directly be controlled oil hydraulic motor 6 and electricity generating device 7.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (7)
1. a wind-driven generator is characterized in that, comprising:
Wind wheel comprises wheel hub and is installed in the blade on the said wheel hub, is used for capturing wind energy, and converts the wind energy of catching into mechanical energy;
Oil hydraulic pump is connected with said wind wheel, is used to absorb mechanical energy, and produces the highly pressurised liquid of pressure greater than first predetermined threshold value through mechanical energy;
Oil hydraulic motor comprises output shaft, is used to receive the highly pressurised liquid that said oil hydraulic pump produces, and is rotated by the said output shaft of high pressure liquid drives;
Electricity generating device is connected with said oil hydraulic motor, by said hydraulic motor output shaft driving and generating electric energy.
2. wind-driven generator according to claim 1 is characterized in that, also comprises:
The hydraulic pressure transfer conduit connects said oil hydraulic pump and said oil hydraulic motor, is used for the highly pressurised liquid that said oil hydraulic pump produces is delivered to said oil hydraulic motor.
3. wind-driven generator according to claim 2 is characterized in that, the quantity of said oil hydraulic pump is a plurality of, and the quantity of said oil hydraulic motor and the quantity of said oil hydraulic pump are complementary, and connects through said hydraulic pressure transfer conduit is corresponding respectively;
The quantity of said electricity generating device and the quantity of said oil hydraulic motor are complementary, and distinguish corresponding connection with said oil hydraulic motor.
4. wind-driven generator according to claim 3 is characterized in that, also comprises:
Judgment means is used to judge that the wind-force of said wind energy is big or small, and produces corresponding judgment information according to the wind-force of wind energy;
Control gear, the wind-force that is used for showing wind energy when said judgement information are during less than second predetermined threshold value, and the oil hydraulic pump of control respective numbers cuts out.
5. according to each described wind-driven generator of claim 1 to 4, it is characterized in that, also comprise:
The tower tube, said oil hydraulic motor and said electricity generating device are arranged at the top platform of said tower tube.
6. wind-driven generator according to claim 5 is characterized in that, also comprises:
The cabin is arranged at the top of said tower tube, and said oil hydraulic pump is arranged in the said cabin.
7. wind-driven generator according to claim 6 is characterized in that, also comprises:
Output unit is arranged in the said tower tube, and the power delivery that is used for said electricity generating device is produced is to external electrical network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202999958U CN202194778U (en) | 2011-08-17 | 2011-08-17 | Wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202999958U CN202194778U (en) | 2011-08-17 | 2011-08-17 | Wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202194778U true CN202194778U (en) | 2012-04-18 |
Family
ID=45949693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202999958U Expired - Lifetime CN202194778U (en) | 2011-08-17 | 2011-08-17 | Wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202194778U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104395600A (en) * | 2012-04-29 | 2015-03-04 | Lgt先进科技有限公司 | Wind energy system and method for using same |
| CN105003617A (en) * | 2015-07-16 | 2015-10-28 | 河海大学常州校区 | Hydraulic coupler |
| CN105065617A (en) * | 2015-07-16 | 2015-11-18 | 河海大学常州校区 | Hydraulic coupler |
-
2011
- 2011-08-17 CN CN2011202999958U patent/CN202194778U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104395600A (en) * | 2012-04-29 | 2015-03-04 | Lgt先进科技有限公司 | Wind energy system and method for using same |
| CN105003617A (en) * | 2015-07-16 | 2015-10-28 | 河海大学常州校区 | Hydraulic coupler |
| CN105065617A (en) * | 2015-07-16 | 2015-11-18 | 河海大学常州校区 | Hydraulic coupler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102206, Beijing Changping District Huilongguan North Road 31 Industrial Park Patentee after: Sany Heavy Energy Co.,Ltd. Address before: 102206, Beijing Changping District Huilongguan North Road 31 Industrial Park Patentee before: SANY HEAVY ENERGY Co.,Ltd. Address after: 102206, Beijing Changping District Huilongguan North Road 31 Industrial Park Patentee after: SANY HEAVY ENERGY EQUIPMENT Co.,Ltd. Address before: 102206, Beijing Changping District Huilongguan North Road 31 Industrial Park Patentee before: SANY ELECTRIC Co.,Ltd. Address after: 102206, Beijing Changping District Huilongguan North Road 31 Industrial Park Patentee after: SANY HEAVY ENERGY Co.,Ltd. Address before: 102206, Beijing Changping District Huilongguan North Road 31 Industrial Park Patentee before: SANY HEAVY ENERGY EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120418 |
|
| CX01 | Expiry of patent term |