CN204535990U - Wind turbine gearbox dynamic response Multi-parameter detection device - Google Patents
Wind turbine gearbox dynamic response Multi-parameter detection device Download PDFInfo
- Publication number
- CN204535990U CN204535990U CN201520268741.8U CN201520268741U CN204535990U CN 204535990 U CN204535990 U CN 204535990U CN 201520268741 U CN201520268741 U CN 201520268741U CN 204535990 U CN204535990 U CN 204535990U
- Authority
- CN
- China
- Prior art keywords
- signal
- module
- wind turbine
- detection device
- turbine gearbox
- Prior art date
- 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 - Fee Related
Links
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a kind of wind turbine gearbox dynamic response Multi-parameter detection device, comprise signal acquisition module, Signal-regulated kinase, signal analysis and processing module and dynamic property evaluation module, described signal acquisition module, Signal-regulated kinase, signal analysis and processing module, dynamic property evaluation module are connected in series successively, signal acquisition module gathers gear case dynamic response parameter, after Signal-regulated kinase shaping, amplification, send into signal analysis and processing module, the signal that will be gathered by signal analysis and processing module imports dynamic property evaluation module.The utility model is provided with signal acquisition module, by the dynamic stress to wind turbine gearbox critical component, displacement, acceleration, noise and temperature detection, realize the Real-Time Monitoring of rotation, lubricating status lower component in closed gear case, the loading conditions of parts can be grasped more all sidedly, provide feasible technical scheme by for the dynamic performance testing of rotation, lubrication system part in closed gear case.
Description
Technical field
The utility model relates to wind-powered electricity generation field, particularly a kind of wind turbine gearbox dynamic response Multi-parameter detection device.
Background technology
Gear case premature failure seriously governs the healthy and rapid development of Wind Power Generation Industry.Wind-powered electricity generation is one of new forms of energy most with prospects, and global wind-powered electricity generation installation amount continues with the speed increment of average annual 20% nearly ten years, and installed capacity in the end of the year 2014 reaches 370GW; China's installed capacity of wind-driven power is doubled growth continuously, becomes the country that installed capacity is maximum, accounts for 27% of the installation of global wind-powered electricity generation.Gear case is the vitals connecting impeller and generator in double-fed fan motor unit, for transferring energy with bear the core component that wind carries.US and European related research institutes statistical data shows: gear case is one of parts that Wind turbines failure rate is the highest, and the downtime caused is the longest.Gear case premature failure makes it cannot meet requirement in serviceable life in 20 year, often 3-5 just needs repairing even overhaul, within 6 ~ 8 years, will change, corresponding maintenance cost and economic loss, up to 20 ~ 500,000 Euros (relevant with wind field position with blower fan size), account for 38% of Wind turbines total cost.
Although China's Wind Power Generation Industry development in recent years is very rapid; but the design and manufaction technology of gear case is still in introduction digestion phase; in-service Wind turbines mostly endures the puzzlement of gear case premature failure to the fullest extent; the problems such as the life-span is short, failure rate is high, poor reliability become increasingly conspicuous; frequently there is the spot replace event of gear case batch in the 2-3MW Wind turbines installed especially in recent years; high maintenance cost and shutdown loss bring huge challenge to the survival and development of wind-powered electricity generation enterprise, bring powerful impact also to the sound development of China's Wind Power Generation Industry.Therefore, test obtains typical wind and carries/true the performance load of operating mode lower tooth roller box critical component by experiment, and this will provide basic data for it design, is conducive to announcement gear case premature failure mechanism.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provide a kind of structure simple, can the wind turbine gearbox dynamic response Multi-parameter detection device of dynamic response parameter of Real-Time Monitoring gear case critical component.
The technical scheme that the utility model solves the problem is: a kind of wind turbine gearbox dynamic response Multi-parameter detection device, comprise signal acquisition module, Signal-regulated kinase, signal analysis and processing module and dynamic property evaluation module, described signal acquisition module, Signal-regulated kinase, signal analysis and processing module, dynamic property evaluation module is connected in series successively, signal acquisition module gathers vibration of bearings signal, bearing temperature signal, Gear-box Noise signal, the displacement signal of planet carrier and sun gear, and the signal collected is sent into Signal-regulated kinase, through Signal-regulated kinase shaping, signal analysis and processing module is sent into after amplifying, by signal analysis and processing module, the signal gathered is imported dynamic property evaluation module.
In above-mentioned wind turbine gearbox dynamic response Multi-parameter detection device, described dynamic property evaluation module involving vibrations specificity analysis module, noise-source analysis module and fatigue load and life prediction analysis module.
In above-mentioned wind turbine gearbox dynamic response Multi-parameter detection device, described signal acquisition module comprises foil gauge, displacement transducer, sound meter, acceleration transducer and temperature sensor, the sun gear of gear case and the tooth root of secondary parallel axis system gear and ring gear place, planet carrier and high speed shaft are equipped with foil gauge, planet carrier, planet axis and sun gear are equipped with displacement transducer, described sound meter is suspended in gear housing, described acceleration transducer is arranged on the bearing seat of gear case inner stages transmission shaft, described temperature sensor is arranged on bearing.
In above-mentioned wind turbine gearbox dynamic response Multi-parameter detection device, institute's displacement sensors is non-contact electric eddy shift sensor.
In above-mentioned wind turbine gearbox dynamic response Multi-parameter detection device, described temperature sensor is platinum resistance.
In above-mentioned wind turbine gearbox dynamic response Multi-parameter detection device, described acceleration transducer is piezoelectric acceleration transducer.
The beneficial effects of the utility model are:
1, the utility model is provided with signal acquisition module, by the dynamic stress to wind turbine gearbox critical component, displacement, acceleration, noise and temperature detection, realize the Real-Time Monitoring of rotation, lubricating status lower component in closed gear case, the loading conditions of parts can be grasped more all sidedly, provide feasible technical scheme by for the dynamic performance testing of rotation, lubrication system part in closed gear case;
2, dynamic property evaluation module involving vibrations specificity analysis module of the present utility model, noise-source analysis module, fatigue load and life prediction analysis module, wherein, the spectrum analysis reflection gear case vibration characteristics of acceleration vibration signal, obtains the sensitivity coefficient of key parameter further; The noise signal analysis identification noise source that sound meter gathers, provides theoretical foundation for reducing noise; Critical component displacement, temperature and stress data can be used for deriving and calculating its fatigue load spectrum, assess its dynamic fatigue property deterioration process in conjunction with fatigue life model.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the structural representation of wind turbine gearbox.
Fig. 3 is the layout schematic diagram of foil gauge of the present utility model on gear.
Fig. 4 is the layout schematic diagram of displacement transducer of the present utility model on planet carrier.
Fig. 5 is the layout schematic diagram of platinum resistance of the present utility model on rolling bearing outer shroud.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, the utility model comprises signal acquisition module 1, Signal-regulated kinase, signal analysis and processing module and dynamic property evaluation module 2, described signal acquisition module 1, Signal-regulated kinase, signal analysis and processing module, dynamic property evaluation module 2 are connected in series successively, and described signal acquisition module 1 comprises foil gauge, displacement transducer, sound meter, acceleration transducer and temperature sensor.
Gear speedup case comprises primary planet train and secondary parallel shafts train, and what adopt sun gear to float all carries mode, and Fig. 2 is shown in structural representation, in figure: 201 represent slow speed turbine stage, 202 represent middling speed level, and 203 represent high speed level, and 204 is planet carrier, 205 is ring gear, 206 is planetary gear, and 207 is sun gear, and 208 is slow-speed shaft, 209 is middling speed axle, and 210 is high speed shaft.Carry except generation moment of torsion because impeller bears wind, also will produce the non-torque load such as all the other five free moments of flexure, thrusts, this brings additional displacement and stress response by giving gear case inner structure.Therefore, the displacement detecting of the critical component such as planet carrier 204, sun gear 207 can disclose the impact of non-torque load on kinematic train engagement and condition of misalignment.
Because 20kW gear case speed increasing ratio is 80, module is less, therefore only arranges 3 foil gauges 101 at the tooth root of sun gear 207, secondary parallel axis system gear, is derived by foil gauge signal respectively by slip ring; Uniform 6 foil gauges 101 of ring gear 205, foil gauge 101 paste position is as shown in Figure 3; Consider that the load level that planet carrier 204 bears is higher, and high speed shaft 210 is comparatively large by load motor properties influence, therefore respectively at planet carrier 204 and high speed shaft 210 surface mount foil gauge 101.
Planet carrier 204, planet axis and sun gear 207 is equipped with non-contact electric eddy shift sensor, the probe 402 of non-contact electric eddy shift sensor is arranged on corresponding bearing seat or gear housing, induction derby 401 is fixed on the end face of measured piece, its mount scheme is shown in Fig. 4, and in figure, 403 is sensor support base.
Gear housing strand threaded hole processed, described sound meter is suspended in gear housing, realizes noise signal and detects.
Kinematic train at different levels all arranges that 13 to acceleration transducer, is fixed on bearing seat by bonding or thread connection, and acceleration transducer is piezoelectric acceleration transducer.
Because high-speed bearing rotating speed is more than 1000rpm, very easily destroy bearing because temperature rise is too high, therefore at outer race fluting sticking temperature sensor 501, temperature sensor 501 is film platinum resistor, and its layout is shown in Fig. 5.
Foil gauge and platinum resistance transducing signal pass to signal analysis and processing module via signal conditioning circuit, and displacement, acceleration and noise signal pass to signal analysis and processing module via data acquisition module.Described dynamic property evaluation module 2 involving vibrations specificity analysis module, noise-source analysis module and fatigue load and life prediction analysis module, wherein, the spectrum analysis of acceleration vibration signal can reflect gear case vibration characteristics, provides theoretical foundation for reducing noise; Critical component displacement, temperature and stress data can be used for deriving and calculating its fatigue load spectrum, assess its dynamic fatigue property deterioration process in conjunction with fatigue life model.
In dynamic property evaluation module, the various signals of gear case are analyzed, obtain the envelope spectrum feature of the temporal signatures of gear case vibration signal, frequency domain character and envelope signal; Then gear case temporal signatures, frequency domain character, operation and Monitoring Data are divided into operation monitoring historical data subset; Feature extraction is carried out to operation monitoring historical data subset, generates into the dynamic property feature database of each parts of gear case; Dynamic property feature database according to each parts of gear case sets up evaluation of dynamic model, by operation monitoring historical data subset to the training of evaluation of dynamic model, obtain the dynamic property real-time evaluation model of Wind turbines testing table gear case, by dynamic property real-time evaluation model, the operation of real-time gear case and Monitoring Data are evaluated, obtain the vibration characteristics of each parts, noise-source analysis and fatigue load and life prediction.
Claims (6)
1. a wind turbine gearbox dynamic response Multi-parameter detection device, it is characterized in that: comprise signal acquisition module, Signal-regulated kinase, signal analysis and processing module and dynamic property evaluation module, described signal acquisition module, Signal-regulated kinase, signal analysis and processing module, dynamic property evaluation module is connected in series successively, signal acquisition module gathers vibration of bearings signal, bearing temperature signal, Gear-box Noise signal, the displacement signal of planet carrier and sun gear, and the signal collected is sent into Signal-regulated kinase, through Signal-regulated kinase shaping, signal analysis and processing module is sent into after amplifying, by signal analysis and processing module, the signal gathered is imported dynamic property evaluation module.
2. wind turbine gearbox dynamic response Multi-parameter detection device as claimed in claim 1, is characterized in that: described dynamic property evaluation module involving vibrations specificity analysis module, noise-source analysis module and fatigue load and life prediction analysis module.
3. wind turbine gearbox dynamic response Multi-parameter detection device as claimed in claim 1, it is characterized in that: described signal acquisition module comprises foil gauge, displacement transducer, sound meter, acceleration transducer and temperature sensor, the sun gear of gear case and the tooth root of secondary parallel axis system gear and ring gear place, planet carrier and high speed shaft are equipped with foil gauge, planet carrier, planet axis and sun gear are equipped with displacement transducer, described sound meter is suspended in gear housing, described acceleration transducer is arranged on the bearing seat of gear case inner stages transmission shaft, described temperature sensor is arranged on bearing.
4. wind turbine gearbox dynamic response Multi-parameter detection device as claimed in claim 3, is characterized in that: institute's displacement sensors is non-contact electric eddy shift sensor.
5. wind turbine gearbox dynamic response Multi-parameter detection device as claimed in claim 3, is characterized in that: described temperature sensor is platinum resistance.
6. wind turbine gearbox dynamic response Multi-parameter detection device as claimed in claim 3, is characterized in that: described acceleration transducer is piezoelectric acceleration transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520268741.8U CN204535990U (en) | 2015-04-29 | 2015-04-29 | Wind turbine gearbox dynamic response Multi-parameter detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520268741.8U CN204535990U (en) | 2015-04-29 | 2015-04-29 | Wind turbine gearbox dynamic response Multi-parameter detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204535990U true CN204535990U (en) | 2015-08-05 |
Family
ID=53749979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520268741.8U Expired - Fee Related CN204535990U (en) | 2015-04-29 | 2015-04-29 | Wind turbine gearbox dynamic response Multi-parameter detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204535990U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792526A (en) * | 2015-04-29 | 2015-07-22 | 湖南科技大学 | Wind power gearbox dynamic response multi-parameter detection device |
| CN109357865A (en) * | 2018-10-31 | 2019-02-19 | 南京高速齿轮制造有限公司 | On-line checking gear-box performance and trouble analysis system |
-
2015
- 2015-04-29 CN CN201520268741.8U patent/CN204535990U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792526A (en) * | 2015-04-29 | 2015-07-22 | 湖南科技大学 | Wind power gearbox dynamic response multi-parameter detection device |
| CN104792526B (en) * | 2015-04-29 | 2018-03-20 | 湖南科技大学 | Wind turbine gearbox dynamic response Multi-parameter detection device |
| CN109357865A (en) * | 2018-10-31 | 2019-02-19 | 南京高速齿轮制造有限公司 | On-line checking gear-box performance and trouble analysis system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104792526B (en) | Wind turbine gearbox dynamic response Multi-parameter detection device | |
| CN201514301U (en) | Rolling bearing frictional moment/rotation speed measurement device | |
| Liu et al. | The structure healthy condition monitoring and fault diagnosis methods in wind turbines: A review | |
| CN104006908B (en) | fan energy consumption monitoring method and system | |
| CN201488848U (en) | Rotary bearing torque tester | |
| CN202661241U (en) | Vibration test device for wind power gear box simulation | |
| CN201497602U (en) | Friction moment measurement device of bearing | |
| CN104392082A (en) | Diagnosis method for initial failure of gearbox of wind generating set based on vibration monitoring | |
| CN103604601A (en) | Fault diagnosis experiment platform based on wind power gearbox working condition simulation | |
| CN101256103A (en) | Megawatt level wind power generation oar-changing bearing friction torque numeric control testing machine and test approach | |
| CN202547923U (en) | Vibration detecting device for pitch-variable bearing of wind turbine generator system | |
| CN102937488A (en) | Real-time measuring device and method capable of measuring dynamic oil membrane pressure distribution and temperature of tilting-pad sliding bearings | |
| CN104515677A (en) | Failure diagnosing and condition monitoring system for blades of wind generating sets | |
| CN204535990U (en) | Wind turbine gearbox dynamic response Multi-parameter detection device | |
| CN104792520A (en) | Fault diagnosis method for gear case of wind turbine generator system | |
| CN202453182U (en) | Fault diagnosis device of gearbox of wind generation set | |
| Keller et al. | Uptower investigation of main and high-speed-shaft bearing reliability | |
| CN207600740U (en) | A kind of monitoring system for wind-driven generator | |
| CN201177538Y (en) | Megawatt grade wind power generation bearing friction torque numerical control test machine | |
| CN104729851B (en) | A kind of simulation of wind energy conversion system planetary gear complex working condition and test device | |
| CN203287193U (en) | Simulation device used for fault diagnosis for main transmission system of wind generating set | |
| Shen et al. | Vibration fault detection of vehicle transmission gearbox based on time-frequency analysis of non-stationary signals | |
| CN211230718U (en) | Fan running state on-line monitoring device | |
| Fu-cheng | Research on online monitoring and diagnosis of bearing fault of wind turbine gearbox based on undecimated wavelet transformation | |
| CN112304606A (en) | Efficient noise and vibration collection and detection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20190429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |