CN103470737B - The intelligent vibration damping device of wind turbine gearbox - Google Patents
The intelligent vibration damping device of wind turbine gearbox Download PDFInfo
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- CN103470737B CN103470737B CN201310453369.3A CN201310453369A CN103470737B CN 103470737 B CN103470737 B CN 103470737B CN 201310453369 A CN201310453369 A CN 201310453369A CN 103470737 B CN103470737 B CN 103470737B
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Abstract
The invention discloses a kind of intelligent vibration damping device of wind turbine gearbox, comprise the damping element retainer be installed on blower fan and the vibration transducer be installed on gear case of blower, damping element retainer is provided with damping element, and vibration transducer and damping element are all connected to controller by conjunction cable.The present invention can change damping characteristic according to the change in magnetic field due to magnetic flow liquid, thus the rigidity of adjustment damping element and damping, meet the vibration damping needs in the large frequency range of wind turbine gearbox; Greatly can strengthen the stiffness tuning scope of system, make damping element all have good damping behavior at low frequency and high frequency; Consume energy very little, the ACTIVE CONTROL under little energy consumption can be realized; Due to vibration transducer, the level of vibration that controller can be measured according to vibration transducer, coupling system model, the damping of magnetic flow liquid in adjustment four damping elements of intelligence, thus realize active, the intelligent control of gear-box vibration amplitude, thus realize good effectiveness in vibration suppression.
Description
Technical field
The present invention relates to a kind of wind turbine gearbox intelligent vibration damping device.
Background technique
At present, along with going from bad to worse of energy shortage and ecotope, countries in the world generally appreciate the significance of generation of electricity by new energy technology, expand a large amount of research and development in fields such as wind energy, nuclear energy, solar energy.Wind energy, as a kind of clean renewable energy sources, obtains the encouragement energetically of national governments, and development rapidly, over nearly 10 years, whole world wind-power electricity generation electric motor power with nearly 30% annual growth develop rapidly, China's installed capacity of wind-driven power increases the fastest, has become the country that global installed capacity of wind-driven power is maximum.Wind energy development can alleviate air pollution and water pollutions, but if dealt with improperly, then can increase noise pollution.Gear-box in wind power generating set is an important mechanical part, as the parts of transferring power, bear dynamic load and static load at run duration simultaneously, gear-box is made to produce complicated vibration & noise, these vibration & noise can have influence on working life and the reliability of whole blower fan, therefore need to adopt certain device by the vibration and noise control of gear-box within the scope of regulation.
Elastic support improves the important means of wind turbine gearbox vibration noise level, and elastic support used at present mainly contains rubber elasticity and supports and liquid composite elastic support.Rubber elasticity supports and mainly utilizes the elasticity of rubber to realize the object of wind turbine gearbox vibration damping, its principle is the geomery by selecting rubber, make the numerical value that all directions stiffness coefficient reaches desired, frictional attenuation effect in being produced by molecule between rubber and the interaction between rubber molecule and bulking agent, the vibration of isolation gear-box.But there is larger dynamic stiffness when high frequency due to rubber, this characteristic not only can not suppress vibration, can worsen dither and the noiseproof feature of system on the contrary.Therefore, when high frequency, rubber elasticity supports and cannot realize the good vibration insulation and noise reduction effect of system.Liquid composite elastic support is the vibration reduction support technology grown up on rubber elasticity brace foundation, this technology increases liquid container in rubber inside, and by the liquid container interconnection of gear-box two toggle sides, compared with supporting with rubber elasticity, the range in stiffness of whole elastic support can be increased, improve the ability suppressing gear-box vibration, but, this technology is according to the passive change rigidity of the level of vibration of gear-box and damping, and the excursion of rigidity and damping is limited, the vibration damping demand of the large frequency range of gear-box cannot be met.
Summary of the invention
The object of the invention is, for overcoming above-mentioned the deficiencies in the prior art, to provide a kind of intelligent vibration damping device of wind turbine gearbox, this device can according to the level of vibration active accommodation system stiffness of gear-box and damping.
For achieving the above object, the present invention adopts following technical proposals:
A kind of intelligent vibration damping device of wind turbine gearbox, comprise the damping element retainer be installed on blower fan and the vibration transducer be installed on wind turbine gearbox, described damping element retainer is provided with damping element, and vibration transducer and damping element are all connected to controller by conjunction cable.
Described damping element comprises the base plate of a band cavity, bottom edge connects rubber plate, Rectifier plate and elastic component from top to bottom successively by bolt, rubber plate is provided with the elastic caoutchouc housing that inner band has cavity, the top of elastic caoutchouc housing is provided with connecting plate, connecting plate is provided with the topping up screw communicated with elastic caoutchouc enclosure interior cavity; The cavity of described base plate and the cavity of elastic caoutchouc housing form a large cavity jointly, and large cavity is divided into upper and lower two-part by elastic component, and one end of Rectifier plate extend in upper half part of large cavity, and Rectifier plate is wound with coil, and coil one end is connected to controller; Be filled with magnetic flow liquid in upper half part of large cavity, in lower half portion, be filled with nitrogen.
Described Rectifier plate has throttle orifice.
The present invention includes damping element retainer, vibration transducer, conjunction cable, controller, damping element, damping element is arranged on damping element retainer, vibration transducer to be arranged on gear-box and to be connected to controller, conjunction cable connection control device and damping element.
Damping element comprises topping up screw, connecting plate, elastic caoutchouc, magnetic flow liquid, coil, rubber plate, Rectifier plate, elastic component, base plate, connecting bolt and nitrogen, connecting plate is arranged on elastic caoutchouc, topping up screw connecting plate is equipped with, elastic caoutchouc is arranged on rubber plate, rubber plate, Rectifier plate and elastic component are connected on base plate by connecting bolt, coil is arranged on Rectifier plate, and Rectifier plate has throttle orifice, is filled with nitrogen between elastic component and base plate.
The signal that controller records according to vibration transducer, in conjunction with blower fan system model, rigidity needed for intelligence computation system vibration damping and damping size, suitable electric current is exported to coil by conjunction cable, coil produces magnetic field on Rectifier plate, the change in magnetic field causes the characteristic variations of magnetic flow liquid, thus changes rigidity and the damping of damping element, realizes the object of system vibration and noise reducing.
Elastic caoutchouc is rubber or metal compounded rubber.
Beneficial effect of the present invention is:
1, because magnetic flow liquid can change damping characteristic according to the change in magnetic field, thus the rigidity of adjustment damping element and damping, therefore, the present invention can meet the vibration damping needs in the large frequency range of wind turbine gearbox;
2, the present invention adopts the form that elastic caoutchouc, magnetic flow liquid and nitrogen chamber are combined, and greatly can strengthen the stiffness tuning scope of system, make damping element all have good damping behavior at low frequency and high frequency;
3, because magnetic flow liquid only needs little electric power can realize the great variety of characteristic, source that therefore the present invention is consumed energy is very little, can realize the ACTIVE CONTROL under little energy consumption;
4, due to vibration transducer, the level of vibration that controller can be measured according to vibration transducer, coupling system model, the damping of magnetic flow liquid in adjustment four damping elements of intelligence, thus realize active, the intelligent control of gear-box vibration amplitude, thus realize good effectiveness in vibration suppression.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is damping element structural representation;
Wherein 1, wind turbine gearbox, 2 damping element retainers, 3, damping element, 4, vibration transducer, 5 conjunction cables, 6 controllers, 7, topping up screw, 8, connecting plate, 9, elastic caoutchouc, 10, magnetic flow liquid, 11, coil, 12, connecting bolt, 13 rubber plates, 14, Rectifier plate, 15, elastic component, 16, nitrogen, 17, base plate.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
In Fig. 1, elastic element retainer 2 is arranged on blower fan, damping element 3 is arranged on elastic element retainer 2 by bolt, two counter-force arm of wind turbine gearbox 1 are arranged between upper and lower two damping elements 3 respectively, vibration transducer 4 is arranged on wind turbine gearbox 1, vibration transducer 4 is connected with controller 6, and 4 elastic elements 3 are connected with controller 6 respectively by conjunction cable 5.
In Fig. 2, connecting plate 8 is connected with elastic caoutchouc 9, topping up screw 7 is arranged on connecting plate 8, elastic caoutchouc 9 is arranged on rubber plate 14, Rectifier plate 14 is connected with rubber plate 14 and base plate 17 by connecting bolt 12 with elastic component 15, coil 11 is connected on Rectifier plate 14, is full of magnetic flow liquid, is full of nitrogen 16 between elastic component 15 and base plate 17 between connecting plate 8, elastic caoutchouc 9, rubber plate 14 and elastic component 15.
The signal that controller 6 records according to vibration transducer, in conjunction with blower fan system model, rigidity needed for intelligence computation system vibration damping and damping size, suitable electric current is exported to coil by conjunction cable, coil produces magnetic field on Rectifier plate, the change in magnetic field causes the characteristic variations of magnetic flow liquid, thus changes rigidity and the damping of damping element, realizes the object of system vibration and noise reducing.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technological scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (1)
1. the intelligent vibration damping device of a wind turbine gearbox, it is characterized in that, comprise the damping element retainer be installed on blower fan and the vibration transducer be installed on wind turbine gearbox, described damping element retainer is provided with damping element, and vibration transducer and damping element are all connected to controller by conjunction cable;
Described damping element comprises the base plate of a band cavity, bottom edge connects rubber plate, Rectifier plate and elastic component from top to bottom successively by bolt, rubber plate is provided with the elastic caoutchouc housing that inner band has cavity, the top of elastic caoutchouc housing is provided with connecting plate, connecting plate is provided with the topping up screw communicated with elastic caoutchouc enclosure interior cavity; The cavity of described base plate and the cavity of elastic caoutchouc housing form a large cavity jointly, and large cavity is divided into upper and lower two-part by elastic component, and one end of Rectifier plate extend in upper half part of large cavity, and Rectifier plate is wound with coil, and coil one end is connected to controller; Be filled with magnetic flow liquid in upper half part of large cavity, in lower half portion, be filled with nitrogen;
Described Rectifier plate has throttle orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310453369.3A CN103470737B (en) | 2013-09-29 | 2013-09-29 | The intelligent vibration damping device of wind turbine gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310453369.3A CN103470737B (en) | 2013-09-29 | 2013-09-29 | The intelligent vibration damping device of wind turbine gearbox |
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| Publication Number | Publication Date |
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| CN103470737A CN103470737A (en) | 2013-12-25 |
| CN103470737B true CN103470737B (en) | 2015-11-04 |
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| CN201310453369.3A Expired - Fee Related CN103470737B (en) | 2013-09-29 | 2013-09-29 | The intelligent vibration damping device of wind turbine gearbox |
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Families Citing this family (11)
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| CN104879475B (en) * | 2015-04-24 | 2017-03-29 | 盐城工学院 | Two-way vibration damping hydraulic pressure brace type wind turbine gearbox erecting device |
| CN104819269B (en) * | 2015-04-24 | 2017-09-29 | 盐城工学院 | Intercommunication tunes vibration reduction support formula high-speed gear box |
| CN106321796A (en) * | 2016-11-09 | 2017-01-11 | 南京创力传动机械有限公司 | Gearbox |
| CN110219967B (en) * | 2019-05-31 | 2024-01-02 | 陕西法士特齿轮有限责任公司 | Automatic transmission with vibration isolation device |
| CN111043285B (en) * | 2019-11-20 | 2021-06-29 | 东风汽车有限公司 | Resonance frequency control device and method for left suspension of gearbox |
| CN112502939A (en) * | 2020-11-19 | 2021-03-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Vibration damper, compressor and air conditioner |
| CN112688463A (en) * | 2020-12-15 | 2021-04-20 | 桂林航天工业学院 | Motor with vibration damper |
| CN112963490B (en) * | 2021-04-28 | 2022-05-31 | 重庆理工大学 | Radial uniform cross-section flow throttling magnetorheological buffering device |
| CN113833826B (en) * | 2021-11-26 | 2022-05-17 | 宁波东力传动设备有限公司 | Magnetic fluid-based secondary gearbox vibration reduction system and method |
| CN116146664B (en) * | 2023-04-23 | 2023-09-22 | 中国第一汽车股份有限公司 | Vibration damper and vehicle |
| CN116576241B (en) * | 2023-07-13 | 2023-09-12 | 吉林大学 | Intelligent vibration damper for gearbox of light loader |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63158334A (en) * | 1986-12-22 | 1988-07-01 | Bridgestone Corp | Vibrationproof device |
| EP1249637A1 (en) * | 2001-04-10 | 2002-10-16 | Bayerische Motoren Werke Aktiengesellschaft | Device for the suppression of vibrations of a moving system |
| CN102588483A (en) * | 2011-01-05 | 2012-07-18 | 苏州巴米特信息科技有限公司 | Novel nitrogen-based elastic element |
| CN102926311A (en) * | 2012-11-12 | 2013-02-13 | 三一重工股份有限公司 | Vibrating roller and driving cab vibration reduction system thereof |
| CN202746548U (en) * | 2012-08-21 | 2013-02-20 | 华锐风电科技(集团)股份有限公司 | Transmission mechanism and wind generating set |
| CN103148158A (en) * | 2013-03-15 | 2013-06-12 | 重庆大学 | Magnetorheological hydraulic engine mount based on extrusion mode |
| CN203532693U (en) * | 2013-09-29 | 2014-04-09 | 山东大学 | Intelligent damping equipment of wind power gear box |
-
2013
- 2013-09-29 CN CN201310453369.3A patent/CN103470737B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63158334A (en) * | 1986-12-22 | 1988-07-01 | Bridgestone Corp | Vibrationproof device |
| EP1249637A1 (en) * | 2001-04-10 | 2002-10-16 | Bayerische Motoren Werke Aktiengesellschaft | Device for the suppression of vibrations of a moving system |
| CN102588483A (en) * | 2011-01-05 | 2012-07-18 | 苏州巴米特信息科技有限公司 | Novel nitrogen-based elastic element |
| CN202746548U (en) * | 2012-08-21 | 2013-02-20 | 华锐风电科技(集团)股份有限公司 | Transmission mechanism and wind generating set |
| CN102926311A (en) * | 2012-11-12 | 2013-02-13 | 三一重工股份有限公司 | Vibrating roller and driving cab vibration reduction system thereof |
| CN103148158A (en) * | 2013-03-15 | 2013-06-12 | 重庆大学 | Magnetorheological hydraulic engine mount based on extrusion mode |
| CN203532693U (en) * | 2013-09-29 | 2014-04-09 | 山东大学 | Intelligent damping equipment of wind power gear box |
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Granted publication date: 20151104 Termination date: 20180929 |