CN104153949A - Condition monitoring device for slidably yaw system of wind generator - Google Patents
Condition monitoring device for slidably yaw system of wind generator Download PDFInfo
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- CN104153949A CN104153949A CN201410354685.XA CN201410354685A CN104153949A CN 104153949 A CN104153949 A CN 104153949A CN 201410354685 A CN201410354685 A CN 201410354685A CN 104153949 A CN104153949 A CN 104153949A
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- yaw
- driftage
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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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Abstract
The invention relates to a condition monitoring device for a slidably yaw system of a wind generator. The condition monitoring device comprises a data collecting device used for acquiring signals of a yaw mechanism; a data collecting card used for receiving the signals monitored by the data collecting device; an upper computer used for receiving and processing the signals transmitted by the data collecting card; a transmitting module used for transmitting the data processed by the upper computer; a computer used for receiving the data transmitted by the transmitting module and storing and analyzing the data through a software. According to the arrangement, changes of relative parameters are monitored during yaw, drive torque of a yaw motor is calculated, work state of the yaw system of a wind turbine is timely judged, safe running of the wind turbine is guaranteed, location of a fault of the yaw system is accurately judged, and maintenance of the wind turbine is supported.
Description
Technical field
The present invention relates to a kind of wind-driven generator sliding type yaw system state monitoring apparatus.
Background technique
Wind-driven generator sliding type yaw system generally by yaw control system, Yawing mechanism, turn round cable protection device three parts and form.Wherein Yawing mechanism is made up of yaw motor, yawing reducer, yaw gear, driftage pawl.
Yaw control system contrasts the wind direction measuring, wind velocity signal and cabin direction, if reach the condition of carrying out yawing rotation, sends driftage instruction, and yaw motor starts, and starts to go off course.In driftage process, Yawing mechanism generally keeps constant yawing velocity.The gearwheel of going off course in Yawing mechanism is fixed on tower cylinder, and yawing reducer is fixedly mounted on engine room foundation.Yaw motor drives driftage pinion rotation by yawing reducer, and driftage small gear engages with driftage gearwheel, promotes cabin and rotates.Cabin is bolted with driftage pawl, and driftage pawl forms sliding friction with driftage bull gear.
Yawing mechanism is subject to the wind wheel that transmits in the cabin active force to Yawing mechanism in driftage process, and the friction damping force of driftage pawl and bull gear, the driving force of yaw motor generation.Wind speed, wind direction, generated output, blade pitch angle, yawing velocity all affect the active force of wind wheel to Yawing mechanism.The friction damping force of Yawing mechanism is mainly relevant with the positive pressure of the friction factor of slide plate, Regulation spring.
The at present sliding type driftage bearing mainly pre-fastening moment of the adjusting bolt by driftage pawl is determined the pressure of friction slide plate, steady to ensure driftage process, and the locking of the structure of going off course under the halted state of going off course.But the pre-fastening moment of bolt in yaw system working procedure due to vibration, wearing and tearing, the factor impact such as lax, bolt pretightening and slide plate positive pressure can change, need to carry out Real-Time Monitoring to the pressure of slip yaw system slide plate, the bolt pretightening that can rationally adjust in the time overhauling by Real-Time Monitoring, and be not only to arrange by regulation and stipulation value.In yaw system work, can implement whether to monitor frictional damping in zone of reasonableness, ensure stability and the reliability of Yawing mechanism operation.
Due to the randomness of wind-resources, wind energy conversion system is in complicated loaded-up condition.Especially in the time that wind energy conversion system seat in the plane is positioned at extreme terrain, the abnormal turbulent flow of wind, can cause wind energy conversion system Yawing mechanism stressed abnormal, causes the faults such as yaw motor burns, yawing reducer gear tooth breakage, yaw gear damage, yaw gear wearing and tearing.
Summary of the invention
Main purpose of the present invention is, a kind of wind-driven generator sliding type yaw system state monitoring apparatus is provided, realize Real-Time Monitoring, data capture, transmission, the analysis of wind energy conversion system correlation behavior parameter in driftage process, judge in time the working state of wind energy conversion system yaw system, not only can ensure the safe operation of wind energy conversion system, and can provide support for the operation maintenance of wind energy conversion system.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of wind-driven generator sliding type yaw system state monitoring apparatus proposing according to the present invention, state for the sliding type yaw system to wind-driven generator is monitored, described yaw system comprises Yawing mechanism, wherein Yawing mechanism comprises yaw motor, yawing reducer, yaw gear, driftage pawl, polarization bearing, engine rooms of wind power generators composition, in described control cabinet, there is the electric power incoming line of described yaw motor, on described driftage pawl, there is adjusting bolt, comprise: data acquisition unit, for obtaining the signal of described Yawing mechanism; Data collecting card, the signal monitoring for receiving described data acquisition unit; Upper-position unit, for receiving the signal of described data collecting card transmission and processing; Transmission module, for transmitting described upper-position unit data after treatment; Computer, for receiving the data of described transmission module transmission, and realizes storage and the analysis of data by software.
Alternatively, aforesaid device, described data acquisition unit comprises current transformer, described current transformer is arranged in described control cabinet, described electric power incoming line is through described current transformer, described current transformer is for monitoring the current value of described yaw motor, and the current value that described upper-position unit is measured according to described current transformer and voltmeter calculate the power of described yaw motor.
Alternatively, aforesaid device, described data acquisition unit comprises accelerometer, described accelerometer is arranged on driftage pawl, is furnished with a preamplifier, for monitoring the vibration parameters of described driftage bearing on described accelerometer.
Alternatively, aforesaid device, described data acquisition unit comprises pressure transducer, described pressure transducer is arranged in described adjusting bolt, for monitoring the pretightening force of described driftage pawl, the pretightening force that described upper-position unit records according to described pressure transducer calculates described yaw gear suffered load in driftage process.
Alternatively, aforesaid device, described data acquisition unit comprises sound level meter, described sound level meter is arranged in described engine rooms of wind power generators, noise signal during for detection of described yaw motor work, the signal that described sound level meter obtains monitoring sends described data collecting card.
Alternatively, aforesaid device, described state detector comprises yaw-angle pickoff, described yaw-angle pickoff is arranged on described driftage bearing, yaw angle during for detection of described yaw motor work, the yaw angle that described upper-position unit records by described yaw-angle pickoff calculates yawing velocity.。
By technique scheme, wind-driven generator sliding type yaw system state monitoring apparatus of the present invention at least has following advantages:
Can realize yaw motor power monitoring, Yawing mechanism slide plate pressure monitoring, driftage pawl vibration monitoring, driftage noise monitoring, yaw speed monitoring; Because the randomness of wind changes, the loaded-up condition of wind energy conversion system is very complicated, turbulent wind in some extreme terrains may cause wind energy conversion system Yawing mechanism to produce fault, by the present invention monitor relevant parameter in driftage process variation, calculate the driving moment of yaw motor, judge in time the working state of wind energy conversion system yaw system, ensure the safe operation of wind energy conversion system, accurately judge yaw system guilty culprit, for the maintenance of wind energy conversion system provides support.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and coordinate accompanying drawing to be described in detail as follows.
Brief description of the drawings
Fig. 1 is the schematic diagram of wind-driven generator sliding type yaw system state monitoring apparatus according to an embodiment of the invention.
Embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of wind-driven generator sliding type yaw system state monitoring apparatus, structure, feature and effect thereof of proposing according to the present invention, be described in detail as follows.In following explanation, the not necessarily same embodiment that different " embodiments " or " embodiment " refer to.In addition, special characteristic, structure or the feature in one or more embodiment can be combined by any suitable form.
As shown in Figure 1, a kind of wind-driven generator sliding type yaw system state monitoring apparatus that one embodiment of the present of invention propose, state for the sliding type yaw system to wind-driven generator is monitored, described yaw system comprises yaw control system, Yawing mechanism, turn round cable protection device, wherein Yawing mechanism comprises yaw motor, yawing reducer, yaw gear, driftage pawl, polarization bearing, engine rooms of wind power generators composition, in described control cabinet, there is the electric power incoming line of described yaw motor, on described driftage pawl, there is adjusting bolt, comprise: data acquisition unit, for obtaining the signal of described Yawing mechanism, data collecting card 110, the signal monitoring for receiving described data acquisition unit, upper-position unit 120, for receiving the signal that described data collecting card 110 transmits and processing, transmission module 130, for described upper-position unit 120 data after treatment, computer 140, the data of transmitting for receiving described transmission module 130, and realize storage and the analysis of data by software.
In another embodiment of the present invention, described data acquisition unit comprises straight-through current transformer 101, three-dimensional accelerometer 102, pressure transducer 104, sound level meter 105, yaw-angle pickoff 106 etc.
In another embodiment of the present invention, described straight-through current transformer 101 is arranged in control cabinet, yaw motor electric power incoming line is passed to current transformer 101, be used for monitoring yaw motor and start with normal, current transformer 101 second sides are delivered to data collecting card 110 after secondary side current being converted to standard 4-20mA current signal by electric current converter.
In another embodiment of the present invention, described three-dimensional accelerometer 102 is arranged on driftage pawl, each three-dimensional accelerometer 102 is furnished with a preamplifier 103, be used for monitoring driftage process, the vibration of driftage bearing, determine that whether driftage process is steady, judge the reason of yaw gear wearing and tearing and vibration, output 4-20mA standard current signal is delivered to data collecting card 110.
In another embodiment of the present invention, described pressure transducer 104 is arranged in the adjusting bolt of driftage pawl, for monitoring the pretightening force of each driftage pawl, output 4-20mA standard current signal is delivered to data collecting card 110, and upper-position unit 120 judges that whether each driftage pawl is consistent to the frictional force of yawing gear ring in time.
In another embodiment of the present invention, described sound level meter 105 is arranged in engine rooms of wind power generators, the noise signal while work for detection of yaw motor, and the noise signal collecting is delivered to data collecting card 110.
In another embodiment of the present invention, described yaw-angle pickoff 106 is arranged on driftage bearing, and the yaw angle while work for detection of yaw motor, delivers to data acquisition module 110 after being converted to 4-20mA standard signal by V/I transducer.
In another embodiment of the present invention, described data collecting card 110 is used for realizing the function such as signals security isolation and high-accuracy data acquisition, monitoring and transmission between data acquisition unit and upper-position unit 120, adopt 16 passage intelligent data acquisition units to carry out touring detection, data capture to multichannel wind-driven generator running parameter, and by RS232 or the RS422/485 communication interface of standard, direct and upper-position unit 120 communications.
In another embodiment of the present invention, described upper-position unit 120 is by design of Configuration Software data capture picture, for receiving the multichannel data that data collecting card 110 sends, realize the functions such as real-time demonstration to each data in wind driven generator yaw system, curve demonstration, storage of history data P.In order to realize the remote monitoring of wind driven generator yaw system data, the multichannel data that adopts data transmission DTU (Data Transfer Unit) module 130 that upper-position unit 120 is collected converts TCP/IP packet to and is uploaded to computer 140 by GPRS or 3G network, can be for example data center server, for the working state of Real-Time Monitoring wind driven generator yaw system.Data center server adopts the fixing IP of application configuration address, is connected with GPRS or 3G network.Records center's management software adopts Development of Configuration Software to realize, and the data of being responsible for that server is received gather, arrange and comprehensively analyze.Data analysis adopts the form of curve to show, can be visual in image represent wind driven generator yaw system Data Dynamic, the variation tendency etc. in when operation.
In another embodiment of the present invention, data acquisition unit mainly gathers the Operational Limits of wind-driven generator in power generation process, signal is generally 0-10V or 4-20mA, needs the signal gathering to comprise: wind speed and direction, ambient temperature, yaw motor working state, yaw angle, driftage lock state, blade angle etc.Data capture need gather multichannel data simultaneously, need carry out with multi-path data collecting device, after multichannel data is converged, delivers to upper-position unit 120 by order wire.
In the time that yawing rotation starts, the yaw angle recording by yaw-angle pickoff 106 and time can calculate yawing velocity, by the number of teeth of yawing gear ring and yaw motor gear, can calculate the rotating speed of yaw motor gear, according to the velocity ratio of yaw motor speed reducer, calculate the rotating speed of yaw motor output shaft, because yaw motor voltage is fixed value, the current value that straight-through current transformer 101 is measured and voltage can be used for obtaining the power of yaw motor, obtain again the moment of generator output shaft according to the rotating speed of generator, by the velocity ratio between speed reducer internal gear, can calculate the moment of each several part in yaw gear and speed reducer, can obtain cabin vibration parameters by three-dimensional accelerometer 102, calculate the load that cabin applies yawing gear ring all directions due to vibration in driftage process, the pretightening force recording in conjunction with pressure transducer 104 again, obtains yawing gear ring suffered load in driftage process.Realize the monitoring that yaw motor driving moment and yawing gear ring is subject to load condition by said method; ensure the normal operation of wind energy conversion system yaw system; in the time breaking down, can find rapidly problem place and shut down and safeguard in time, reducing the loss that fault produces.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a wind-driven generator sliding type yaw system state monitoring apparatus, state for the sliding type yaw system to wind-driven generator is monitored, described yaw system comprises Yawing mechanism, wherein Yawing mechanism comprises yaw motor, yawing reducer, yaw gear, driftage pawl, polarization bearing, engine rooms of wind power generators composition, in described control cabinet, there is the electric power incoming line of described yaw motor, on described driftage pawl, there is adjusting bolt, it is characterized in that, comprising:
Data acquisition unit, for obtaining the signal of described Yawing mechanism;
Data collecting card, the signal monitoring for receiving described data acquisition unit;
Upper-position unit, for receiving the signal of described data collecting card transmission and processing;
Transmission module, for transmitting described upper-position unit data after treatment;
Computer, for receiving the data of described transmission module transmission, and realizes storage and the analysis of data by software.
2. device according to claim 1, it is characterized in that, described data acquisition unit comprises current transformer, described current transformer is arranged in described control cabinet, described electric power incoming line is through described current transformer, described current transformer is for monitoring the current value of described yaw motor, and the current value that described upper-position unit is measured according to described current transformer and voltmeter calculate the power of described yaw motor.
3. device according to claim 1, is characterized in that, described data acquisition unit comprises accelerometer, and described accelerometer is arranged on driftage pawl, is furnished with a preamplifier, for monitoring the vibration parameters of described driftage bearing on described accelerometer.
4. device according to claim 1, it is characterized in that, described data acquisition unit comprises pressure transducer, described pressure transducer is arranged in described adjusting bolt, for monitoring the pretightening force of described driftage pawl, the pretightening force that described upper-position unit records according to described pressure transducer calculates described yaw gear suffered load in driftage process.
5. device according to claim 1, it is characterized in that, described data acquisition unit comprises sound level meter, described sound level meter is arranged in described engine rooms of wind power generators, noise signal during for detection of described yaw motor work, the signal that described sound level meter obtains monitoring sends described data collecting card.
6. according to the device described in any one in claim 1 to 5, it is characterized in that, described state detector comprises yaw-angle pickoff, described yaw-angle pickoff is arranged on described driftage bearing, yaw angle during for detection of described yaw motor work, the yaw angle that described upper-position unit records by described yaw-angle pickoff calculates yawing velocity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354685.XA CN104153949B (en) | 2014-07-24 | Wind-driven generator slidingtype yaw system state monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354685.XA CN104153949B (en) | 2014-07-24 | Wind-driven generator slidingtype yaw system state monitoring apparatus |
Publications (2)
| Publication Number | Publication Date |
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| CN104153949A true CN104153949A (en) | 2014-11-19 |
| CN104153949B CN104153949B (en) | 2017-01-04 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508146A (en) * | 2015-12-22 | 2016-04-20 | 北京金风科创风电设备有限公司 | Yaw testing system of wind generating set |
| CN106338307A (en) * | 2016-08-22 | 2017-01-18 | 北京能高自动化技术股份有限公司 | Wind turbine generator set state monitoring system having yawing state monitoring function and wind turbine generator set state monitoring method thereof |
| CN108757341A (en) * | 2018-05-02 | 2018-11-06 | 明阳智慧能源集团股份公司 | A kind of high intelligent fault diagnosis method of large-scale half direct-drive unit yawing velocity |
| CN109416022A (en) * | 2016-07-08 | 2019-03-01 | 纳博特斯克有限公司 | Windmill drive system and windmill |
| CN109477462A (en) * | 2016-07-08 | 2019-03-15 | 纳博特斯克有限公司 | Windmill drive system and windmill |
| CN110374824A (en) * | 2019-08-26 | 2019-10-25 | 中国船舶重工集团海装风电股份有限公司 | Yaw brake disc safeguards method for early warning and wind power generating set |
| CN111122136A (en) * | 2019-12-19 | 2020-05-08 | 太原重工股份有限公司 | Yaw system test device and method and yaw moment setting method |
| US10907617B2 (en) | 2016-06-30 | 2021-02-02 | Vestas Wind Systems A/S | Diagnostic system and method for use in a wind turbine |
| CN112302871A (en) * | 2020-10-15 | 2021-02-02 | 明阳智慧能源集团股份公司 | Yaw crossing control method for improving availability of wind generating set |
| CN113299167A (en) * | 2021-05-10 | 2021-08-24 | 新能职业培训学校(天津)有限公司 | Teaching aid for yawing system of miniaturized wind generating set |
| CN113357102A (en) * | 2021-07-15 | 2021-09-07 | 西安华控智能系统工程有限公司 | Fault identification algorithm for yaw system of wind generating set |
| CN113530762A (en) * | 2020-04-21 | 2021-10-22 | 纳博特斯克有限公司 | State monitoring device and state monitoring method |
| CN114000985A (en) * | 2020-07-28 | 2022-02-01 | 北京金风慧能技术有限公司 | Monitoring device of yaw brake device of wind generating set |
| CN114135443A (en) * | 2020-09-04 | 2022-03-04 | 纳博特斯克有限公司 | Output device and method, state monitoring device and method, and wind turbine |
| CN115111116A (en) * | 2022-06-21 | 2022-09-27 | 重庆海装风电工程技术有限公司 | Wind generating set engine room yaw wind control method, system, medium and equipment |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508146B (en) * | 2015-12-22 | 2018-07-31 | 北京金风科创风电设备有限公司 | Yaw testing system of wind generating set |
| CN105508146A (en) * | 2015-12-22 | 2016-04-20 | 北京金风科创风电设备有限公司 | Yaw testing system of wind generating set |
| US10907617B2 (en) | 2016-06-30 | 2021-02-02 | Vestas Wind Systems A/S | Diagnostic system and method for use in a wind turbine |
| CN109416022A (en) * | 2016-07-08 | 2019-03-01 | 纳博特斯克有限公司 | Windmill drive system and windmill |
| CN109477462A (en) * | 2016-07-08 | 2019-03-15 | 纳博特斯克有限公司 | Windmill drive system and windmill |
| CN109416022B (en) * | 2016-07-08 | 2021-07-09 | 纳博特斯克有限公司 | Windmill drive system and windmill |
| CN109477462B (en) * | 2016-07-08 | 2021-07-09 | 纳博特斯克有限公司 | Windmill drive system and windmill |
| US11619208B2 (en) | 2016-07-08 | 2023-04-04 | Nabtesco Corporation | Wind turbine drive system and wind turbine |
| CN106338307A (en) * | 2016-08-22 | 2017-01-18 | 北京能高自动化技术股份有限公司 | Wind turbine generator set state monitoring system having yawing state monitoring function and wind turbine generator set state monitoring method thereof |
| CN108757341A (en) * | 2018-05-02 | 2018-11-06 | 明阳智慧能源集团股份公司 | A kind of high intelligent fault diagnosis method of large-scale half direct-drive unit yawing velocity |
| CN108757341B (en) * | 2018-05-02 | 2019-11-05 | 明阳智慧能源集团股份公司 | A kind of high intelligent fault diagnosis method of large-scale half direct-drive unit yawing velocity |
| CN110374824A (en) * | 2019-08-26 | 2019-10-25 | 中国船舶重工集团海装风电股份有限公司 | Yaw brake disc safeguards method for early warning and wind power generating set |
| CN111122136A (en) * | 2019-12-19 | 2020-05-08 | 太原重工股份有限公司 | Yaw system test device and method and yaw moment setting method |
| CN113530762A (en) * | 2020-04-21 | 2021-10-22 | 纳博特斯克有限公司 | State monitoring device and state monitoring method |
| CN114000985A (en) * | 2020-07-28 | 2022-02-01 | 北京金风慧能技术有限公司 | Monitoring device of yaw brake device of wind generating set |
| CN114000985B (en) * | 2020-07-28 | 2023-09-01 | 北京金风慧能技术有限公司 | Monitoring device of yaw brake device of wind generating set |
| CN114135443A (en) * | 2020-09-04 | 2022-03-04 | 纳博特斯克有限公司 | Output device and method, state monitoring device and method, and wind turbine |
| CN114135443B (en) * | 2020-09-04 | 2024-05-17 | 纳博特斯克有限公司 | Output device and method, state monitoring device and method, and windmill |
| CN112302871A (en) * | 2020-10-15 | 2021-02-02 | 明阳智慧能源集团股份公司 | Yaw crossing control method for improving availability of wind generating set |
| CN113299167A (en) * | 2021-05-10 | 2021-08-24 | 新能职业培训学校(天津)有限公司 | Teaching aid for yawing system of miniaturized wind generating set |
| CN113357102A (en) * | 2021-07-15 | 2021-09-07 | 西安华控智能系统工程有限公司 | Fault identification algorithm for yaw system of wind generating set |
| CN113357102B (en) * | 2021-07-15 | 2023-12-26 | 宁夏龙源新能源有限公司 | Fault recognition algorithm for yaw system of wind generating set |
| CN115111116A (en) * | 2022-06-21 | 2022-09-27 | 重庆海装风电工程技术有限公司 | Wind generating set engine room yaw wind control method, system, medium and equipment |
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