EP3320319A1 - Dispositif de surveillance d'états - Google Patents

Dispositif de surveillance d'états

Info

Publication number
EP3320319A1
EP3320319A1 EP16757138.9A EP16757138A EP3320319A1 EP 3320319 A1 EP3320319 A1 EP 3320319A1 EP 16757138 A EP16757138 A EP 16757138A EP 3320319 A1 EP3320319 A1 EP 3320319A1
Authority
EP
European Patent Office
Prior art keywords
sensor
component
sensor unit
common
rolling bearings
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.)
Withdrawn
Application number
EP16757138.9A
Other languages
German (de)
English (en)
Inventor
Brit Hacke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE102015008978.1A external-priority patent/DE102015008978A1/de
Application filed by Individual filed Critical Individual
Publication of EP3320319A1 publication Critical patent/EP3320319A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/021—Gearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/028—Acoustic or vibration analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/04—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/403—Transmission of power through the shape of the drive components
    • F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05B2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/80—Diagnostics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00—Control
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/334—Vibration measurements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00—Control
    • F05B2270/80—Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges
    • F05B2270/807—Accelerometers

Definitions

  • the invention relates to a device for condition monitoring, in particular a sensor device for monitoring rolling bearings in planetary stages of main gears in wind turbines, which allows an improved early detection of defects in the rolling bearings.
  • the signals are primarily acquired in close proximity to the load and minimally attenuated by an envelope order analysis. At the same time, the load on the bearings is recorded from the same signal basis, so that Conclusions on the remaining shelf life are possible and so a load monitoring is performed.
  • the sensor device according to the invention is applied directly in the interior of the transmission in the power flow in the immediate vicinity of the object under consideration.
  • the application is suitable for both stationary and rotating objects, whereby the sensor device can move together with the object.
  • the signal is directed outwards by the inner sensor device and transferred for further processing.
  • the invention further relates to a sensor device for monitoring rolling bearings in planetary stages of main gears in wind turbines, which allows for improved early detection of defects in the rolling bearings.
  • the path of the signal from the damaged area to the sensor is additionally attenuated due to many components that additionally move relative to one another.
  • the diagnosis is made more difficult and many damages are detected very late or on the basis of further consequential damage.
  • Wind turbines are subject to transient operating conditions. Gears and bearings in wind turbine gearboxes are also designed based on statistical assumptions about wind conditions and the resulting torque for the next 20 years. The real time course of the charges is unknown.
  • Planet stages have a higher power density than spur gears. Due to the development of wind turbines to higher power classes is increasingly on spur gears, which can be better monitored, waived. There are more compact gear with multiple planetary stages are used.
  • the invention has for its object to provide a sensor device for monitoring the bearings in the planetary stage, which allows an improved early detection of defects in the rolling bearings. At the same time, the load on the bearings is recorded in such a way that conclusions can be drawn about the remaining service life of the bearing.
  • Suitable sensor units in the vicinity of the damaged location or in the load flow, vibrations and the forces as well as other measured variables can be detected directly on the affected component in order to minimize damping effects.
  • the individual elements can perform different measuring tasks. These elements can be arranged both in a common structure as well as stand-alone.
  • the sensor unit (1) is applied directly to the surface of the component.
  • the amplifier (2), the transmitter (3) and, if necessary, the sensor unit (1) can be fed by a suitable power supply (4), which is also mounted on the component. Sensor and amplifier must be as close together as possible to reduce signal interference.
  • the power supply (4) can be implemented as active self-supply from other forms of energy, through an additional storage unit or external supply.
  • the transmitter (3) has the task to transmit the measured variables from the rotating component to the stationary receiver (5).
  • the datalogger (6) collects and manages the data. If amplifier (2) is on a stationary component, (3), (4) and (5) can be omitted.
  • the evaluation unit (7) evaluates the measured variables. It can be spatially separated from the measurement setup.
  • the sensor unit (1) can be applied to the component (9).
  • the arrangement should be protected by a suitable covering means (10).
  • measuring points may be interconnected by means of a bridge circuit, eg via a Wheatstone measuring bridge, and possibly supplemented by a temperature compensation.
  • the measured values recorded separately from each other by different arrangements of sensor elements and units according to the invention are archived separately in the data logger (6). This allows a later separate processing of the measured values.
  • Suitable application points are not only the rolling bearing outer and inner rings but also the immediate connection geometries. Suitable application points can be the rolling bearing rings of the planet bearings (13), (19), the planets (17), (23), the planet carrier (14), (20) and the planet carrier bearing (15), (21). These are in the transmission of the wind turbine, to which further the ring gears (16), (22) in the stationary system and the suns (18), (24) belong in non-stationary system.
  • the transmission configuration occurs in drive trains of wind power plants according to the resolved construction (FIG. 5) of the partially resolved construction (FIG. 6) and of the integrated construction (FIG. 7). In all designs, the speed is recorded at the gearbox output or generator input and transferred to the evaluation algorithm or archived in the datalogger.
  • the measuring application can also be used for individual planetary stages in transmissions of wind turbines.
  • the radial bearing reaction force Fr and the axial bearing reaction force F a are detected in the force flow of the rolling bearings.
  • the load assumptions for the design of the gearbox are known, these are compared with the measured values and the Lioh adjusted by means of real load monitoring values.
  • further life forms such as the L 0
  • the same signal base is used both for condition monitoring and for load monitoring.
  • damage signal components occurring by means of envelope curve analysis are separated and statistically processed in such a way that an early detection of developing bearing damage is made possible.
  • the use of the envelope order analysis for processing the signal base makes the low-frequency signal components in the slowly rotating planetary carrier bearings, which are difficult to detect and evaluate with conventional sensors, visible and flow into the condition monitoring.
  • the analysis of the data can be both self-sufficient and integrated into an existing operational management.
  • the database is subjected to the usual evaluation algorithms used in condition monitoring for vibration monitoring of rolling bearings and gears.
  • Statistical characteristic values are formed, which provide information about the state of the gearbox so that the system covers both the condition monitoring and load monitoring areas.
  • the variables mentioned in the above-mentioned variables supplement the data base customary for condition monitoring and are included in the condition evaluation.
  • a single sensor is used for the metrological detection of the entire data to be evaluated.
  • the piezo recessive strain is used to derive on the one hand the vibration to be detected therefrom and on the other hand additionally to determine the force to be detected.
  • the detected vibration is used for Condition Monitoring, the detected force for load monitoring.
  • the sensors are interconnected several times in order to cover different load directions or to arrange the sensors several times on large components.

Abstract

Le système de détection sert à la surveillance de paliers à roulement dans des étages planétaires de trains d'engrenages principaux d'installations éoliennes. Le système de détection exécute une surveillance continuelle des charges et sert en particulier à une reconnaissance précoce d'erreurs dans les paliers à roulement. Au moins deux éléments de détection présentant des principes physiques de mesure différents forment une unité de détection et sont appliqués sur une pièce commune. Par ailleurs, au moins deux éléments de détection présentant des principes physiques de mesure identiques et une orientation spatiale différente forment une unité de détection et sont appliqués sur une pièce commune. En plus, au moins deux éléments de détection présentant des principes physiques de mesure différents ou une orientation spatiale différente sont intégrés dans une structure porteuse commune ou disposés sur une structure porteuse commune. Cette structure est appliquée sur la pièce à surveiller ou à proximité de celle-ci.
EP16757138.9A 2015-07-07 2016-07-05 Dispositif de surveillance d'états Withdrawn EP3320319A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015008978.1A DE102015008978A1 (de) 2014-07-14 2015-07-07 Vorrichtung zur Zustandsüberwachung
PCT/DE2016/000273 WO2017005238A1 (fr) 2015-07-07 2016-07-05 Dispositif de surveillance d'états

Publications (1)

Publication Number Publication Date
EP3320319A1 true EP3320319A1 (fr) 2018-05-16

Family

ID=56801324

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16757138.9A Withdrawn EP3320319A1 (fr) 2015-07-07 2016-07-05 Dispositif de surveillance d'états

Country Status (2)

Country Link
EP (1) EP3320319A1 (fr)
WO (1) WO2017005238A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3789064A1 (fr) 2013-10-24 2021-03-10 Amgen, Inc Injecteur et procédé d'assemblage
CN107560845B (zh) * 2017-09-18 2019-09-20 华北电力大学 一种齿轮箱故障诊断建立方法及装置
CN108361157A (zh) * 2018-02-12 2018-08-03 上海电机学院 一种基于嵌入式系统的风力发电机运行状态监测系统
CN110779716A (zh) * 2019-11-01 2020-02-11 苏州德姆斯信息技术有限公司 嵌入式机械故障智能诊断设备及诊断方法
CN113669214B (zh) * 2021-08-17 2024-05-03 德力佳传动科技(江苏)有限公司 风电齿轮箱行星级运行状态检测的方法、系统和存储介质

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
US5140849A (en) * 1990-07-30 1992-08-25 Agency Of Industrial Science And Technology Rolling bearing with a sensor unit
EP1358453B1 (fr) * 2000-04-10 2007-11-21 The Timken Company Ensemble roulement equipe d'un capteur pour la surveillance de charges
DE102005017054B4 (de) * 2004-07-28 2012-01-05 Igus - Innovative Technische Systeme Gmbh Verfahren und Vorrichtung zur Überwachung des Zustandes von Rotorblättern an Windkraftanlagen
EP1977108B2 (fr) * 2006-01-25 2022-05-18 Vestas Wind Systems A/S Un train épicycloïdal et éolienne comprenant au moins une boîte d'engrenage épicycloïdale
JP5725833B2 (ja) * 2010-01-04 2015-05-27 Ntn株式会社 転がり軸受の異常診断装置、風力発電装置および異常診断システム
FI20105179A (fi) * 2010-02-24 2011-08-25 Espotel Oy Valvontajärjestelmä
DE102010034749A1 (de) * 2010-08-19 2012-02-23 Schaeffler Technologies Gmbh & Co. Kg Vorrichtung zur Überwachung eines rotierenden Maschinenteils
EP2498076A1 (fr) * 2011-03-11 2012-09-12 Hexagon Technology Center GmbH Surveillance de l'usure d'une boîte de vitesse dans une centrale électrique
DE102011117468B4 (de) * 2011-11-02 2022-10-20 Weidmüller Monitoring Systems Gmbh Verfahren, Recheneinheit und Einrichtung zur Überwachung eines Antriebstrangs
DE102012200778A1 (de) * 2012-01-20 2013-07-25 Aktiebolaget Skf Vorrichtung mit wenigstens einem Wälzkörperelement und Verfahren zur Ausgabe eines Signals
EP2870447B1 (fr) * 2012-07-04 2020-05-06 Aktiebolaget SKF (publ) Système de détection de la charge appliquée à un composant de palier, ainsi que procédé et logiciel correspondants
GB2521359A (en) * 2013-12-17 2015-06-24 Skf Ab Viscosity estimation from demodulated acoustic emission

Also Published As

Publication number Publication date
WO2017005238A1 (fr) 2017-01-12

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