WO2007006691A1 - Schnittstellenmodulvorrichtung für eine elektrische maschine zur lebensdauerberechnung eines lagers - Google Patents
Schnittstellenmodulvorrichtung für eine elektrische maschine zur lebensdauerberechnung eines lagers Download PDFInfo
- Publication number
- WO2007006691A1 WO2007006691A1 PCT/EP2006/063863 EP2006063863W WO2007006691A1 WO 2007006691 A1 WO2007006691 A1 WO 2007006691A1 EP 2006063863 W EP2006063863 W EP 2006063863W WO 2007006691 A1 WO2007006691 A1 WO 2007006691A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bearing
- sensor
- electrical machine
- interface module
- service life
- Prior art date
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
- G01M13/04—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
Definitions
- Interface module device for an electric machine for calculating the service life of a bearing
- the present invention relates to an interface module ⁇ device for connection to an electrical machine having a bearing, and for outputting a residual life of the bearing. Moreover, the present invention relates to egg ⁇ ne corresponding electrical machine with this interface of the ⁇ lenmodulvorraum.
- the bearing wear by Nach ⁇ let the lubricating properties of the grease is dependent on the load history of the camp, in particular bearing temperature and speeds, and responsible for a large part of the bearing failures of engines.
- the bearing fatigue is mainly dependent on the load of the bearing by lateral force,tientlei ⁇ tete oscillations and speeds.
- a system senses rolling element loads in real time in a rolling element bearing.
- a plurality of sensors are disposed about one of the inner races and the outer races of the bearing to output sensor data corresponding to detected loads.
- a controller says the La ⁇ gerlebensdauer from the sensor data in advance and determines a load area of the warehouse in real time from the sensor data.
- the sensor data is cyclic, and peaks and valleys become extracted from the sensor data to determine rolling element loads and measured bearing speed.
- patent DE 100 39 015 Cl shows a method and a device for monitoring the pivot bearing of continuous casting support rollers.
- a continuous measurement and storage of the mechanical and thermal stresses (load spectrum) is carried out on one or more pivot bearings.
- the digital measurement results are in one
- Evaluation and storage unit processed and from the total ⁇ number of loads is a ratio of the load ⁇ collective and the limit load capacity of the respective Drehla ⁇ gers calculated.
- the document US 6 529 135 Bl shows an integrated electric motor monitor.
- the operating conditions of the electric motor are monitored and corresponding Prognoseinfor ⁇ mation in a storage means stored.
- the temperature, the engine speed and the winding temperature are monitored.
- the determination of the remaining service life according to the above-mentioned methods usually requires a comprehensive measuring and computing apparatus.
- the object of the present invention is thus to simplify the apparatus for determining the remaining service life of a bearing of an electrical machine.
- an interface module device for connection to an electrical machine, which has at least one bearing, and for outputting ei ⁇ ner remaining life of the bearing with a converter device for converting a raw signal of a transmitter into a digital encoder signal, a time recording device with the one
- Operating time of the electric machine can be determined or recorded, and a computing device for determining a speed from the digital encoder signal to determine a speed load on the bearing over time and to determine a residual life of the bearing from the speed load during the entire operating time.
- the remaining service life is stored as a numerical value in a direction Schlos ⁇ to the computing device of the interface module Senen storage means. This makes it immediately available for numerous applications without special decoding.
- an electrical machine e.g. As an electric motor, equipped with at least one bearing, a transmitter and the above interface module device.
- an electrical machine is any other machine thinking ⁇ bar, which has bearings.
- the bearing is preferably a pivot bearing, but there are also linear La ⁇ ger conceivable, which are also subject to wear.
- the Encoder in or on the electric machine provides a signal about the movement of the electric machine.
- the rotational speed can be determined from the encoder signal and the travel speed can be determined from the encoder signal in the case of linear motors.
- the interface module device according to the invention can be mounted in or on the connection box or the control of the electrical machine.
- the encoder is an optical encoder taltet recovers ⁇ . This enables a high-precision speed resolution.
- the interface module device has at least one further sensor for detecting a physical variable of the electrical machine, wherein a corresponding sensor signal is provided, so that the remaining service life can also be calculated taking into account the sensor signal from the computing device. Thus, the remaining life can be estimated more accurately.
- the at least one sensor serves to detect a lateral force in the bearing. Additionally or alternatively, a sensor for detecting vibrations in the bearing can be provided. Thus, mechanical stresses that cause excessive wear of the bearing, better taken into account.
- in the electric machine can also be a
- Temperature sensor may be provided.
- the state of the lubricants in the bearing can be taken into account.
- the temperature sensor does not have to be mounted directly on the bearing. Rather, it can also be arranged on a winding of the electrical machine, where the winding tempera ture ⁇ a winding of the electric machine capture, so that a temperature model, the storage temperature with the aid of the computing device for calculating the remaining life can be estimated.
- FIG. 1 shows a cross section through an electric motor according to the invention with an interface module for calculating the service life
- FIG. 2 shows a schematic diagram of an interface module ⁇ represent the invention for the remaining lifetime calculation.
- the electric motor shown schematically in FIG. 1 has a rotor RO, which is rotatably mounted on a shaft WE in a housing GE with the aid of two bearings LA.
- An An ⁇ final box AK which is attached to the housing GE of the electric motor, includes an interface module SM, which is used to calculate the remaining life of the bearing LA and is in communication with a controller.
- An encoder GB which is arranged on the housing GE of the electric motor, supplies a control signal for the controller ST and the interface module SM. From this, the two compo ⁇ nenten, possibly calculate the rotational speed of the rotor RO.
- a temperature sensor TS is mounted to monitor the temperature of the bearing. Its output signal is delivered to the interface module SM, possibly also to the controller ST.
- the interface module SM is shown enlarged in FIG 2 Darge ⁇ represents. It has several inputs El, E2 and E3, with which sensor signals can be recorded. Each of these analog sensor signals is converted by a converter WA into a digital signal.
- a computing device RE receives the digital signals of the converter WA.
- a time unit ZE supplies a time signal for the computing device RE. From the sensor signals and the time signal, the computing device RE calculates a Restle ⁇ service life and outputs them to the output Al.
- the Radiostun ⁇ the engine and the associated storage temperatures and speeds are detected.
- These variables can be stored in a memory device (not shown in FIG. 2) for polling at any time.
- the remaining life of the bearing or the bearing LA is determined. The basis for this is the bearing life specified for normal loads.
- the determination of the residual storage life can be carried out directly in the motor or in the converter or in the controller.
- the storage residual service life can then be stored, for example, as a numerical value in the controller ST. There is then the Mög ⁇ friendliness that in defined limits are exceeded a warning or an alarm is issued.
- the bearing tempera ture ⁇ either directly via a temperature sensor TS or indi- rectly determined via a temperature model of the coil temperature and stress variables of the motor can.
- the load-dependent determination of the remaining service life of the bearing can be combined with conventional bearing monitoring.
- the detected sensor signals z. B. temperature and vibration, directly on damage to the camp closed. This allows a bearing failure to be detected at short notice.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Rolling Contact Bearings (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008520843A JP2009501508A (ja) | 2005-07-13 | 2006-07-04 | 軸受の寿命を計算するための電気機械用インタフェースモジュール装置 |
AT06764059T ATE467827T1 (de) | 2005-07-13 | 2006-07-04 | Schnittstellenmodulvorrichtung für eine elektrische maschine zur lebensdauerberechnung eines lagers |
US11/995,606 US7712367B2 (en) | 2005-07-13 | 2006-07-04 | Interface module apparatus for an electrical machine, for calculating the life of a bearing |
CN2006800244762A CN101213436B (zh) | 2005-07-13 | 2006-07-04 | 用于计算轴承寿命的电机接口模块设备 |
DE502006006940T DE502006006940D1 (de) | 2005-07-13 | 2006-07-04 | Schnittstellenmodulvorrichtung für eine elektrische maschine zur lebensdauerberechnung eines lagers |
EP06764059A EP1902293B1 (de) | 2005-07-13 | 2006-07-04 | Schnittstellenmodulvorrichtung für eine elektrische maschine zur lebensdauerberechnung eines lagers |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005032720A DE102005032720B4 (de) | 2005-07-13 | 2005-07-13 | Schnittstellenmodulvorrichtung für eine elektrische Maschine zur Lebensdauerberechnung eines Lagers |
DE102005032720.6 | 2005-07-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007006691A1 true WO2007006691A1 (de) | 2007-01-18 |
Family
ID=37084683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/063863 WO2007006691A1 (de) | 2005-07-13 | 2006-07-04 | Schnittstellenmodulvorrichtung für eine elektrische maschine zur lebensdauerberechnung eines lagers |
Country Status (7)
Country | Link |
---|---|
US (1) | US7712367B2 (de) |
EP (1) | EP1902293B1 (de) |
JP (1) | JP2009501508A (de) |
CN (1) | CN101213436B (de) |
AT (1) | ATE467827T1 (de) |
DE (2) | DE102005032720B4 (de) |
WO (1) | WO2007006691A1 (de) |
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WO2009015735A2 (de) * | 2007-07-31 | 2009-02-05 | Baumer Hübner GmbH | Drehgeber mit überwachung des lagerverschliesses sowie verfahren hierzu |
EP2446998A1 (de) * | 2010-10-27 | 2012-05-02 | JTEKT Corporation | Vorrichtung zur Erkennung des Spindelzustands für Werkzeugmaschinen |
WO2016124191A1 (de) * | 2015-02-06 | 2016-08-11 | Schaeffler Technologies AG & Co. KG | Baukasten für lager und lageranordnung |
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US9080926B2 (en) | 2009-08-27 | 2015-07-14 | Aktiebolaget Skf | Bearing life cycle prognostics |
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US20120183247A1 (en) * | 2011-01-14 | 2012-07-19 | Remy Technologies, L.L.C. | Electric machine with integrated bearing temperature sensor |
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US9255969B2 (en) | 2012-05-21 | 2016-02-09 | General Electric Company | Prognostics and life estimation of electrical machines |
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US12006982B2 (en) * | 2018-07-31 | 2024-06-11 | Tyco Fire & Security Gmbh | Active bearing temperature control |
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KR102077188B1 (ko) * | 2018-10-17 | 2020-04-02 | (주)명성에이앤티(A&T) | 모터용 온도 및 진동 감지 센서장치 |
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CN117871082B (zh) * | 2024-01-22 | 2024-09-17 | 通用技术集团机床工程研究院有限公司 | 一种基于寿命测试的伺服装置可靠性试验平台及试验方法 |
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-
2006
- 2006-07-04 EP EP06764059A patent/EP1902293B1/de not_active Not-in-force
- 2006-07-04 AT AT06764059T patent/ATE467827T1/de active
- 2006-07-04 US US11/995,606 patent/US7712367B2/en not_active Expired - Fee Related
- 2006-07-04 WO PCT/EP2006/063863 patent/WO2007006691A1/de not_active Application Discontinuation
- 2006-07-04 JP JP2008520843A patent/JP2009501508A/ja active Pending
- 2006-07-04 CN CN2006800244762A patent/CN101213436B/zh not_active Expired - Fee Related
- 2006-07-04 DE DE502006006940T patent/DE502006006940D1/de active Active
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009015735A2 (de) * | 2007-07-31 | 2009-02-05 | Baumer Hübner GmbH | Drehgeber mit überwachung des lagerverschliesses sowie verfahren hierzu |
WO2009015735A3 (de) * | 2007-07-31 | 2009-12-17 | Baumer Hübner GmbH | Drehgeber mit überwachung des lagerverschliesses sowie verfahren hierzu |
US8539811B2 (en) | 2007-07-31 | 2013-09-24 | Baumer Hubner Gmbh | Rotary transducer with monitoring of the bearing wear and method therefor |
EP2446998A1 (de) * | 2010-10-27 | 2012-05-02 | JTEKT Corporation | Vorrichtung zur Erkennung des Spindelzustands für Werkzeugmaschinen |
US10286514B2 (en) | 2010-10-27 | 2019-05-14 | Jtekt Corporation | Spindle condition detection device for machine tool |
WO2016124191A1 (de) * | 2015-02-06 | 2016-08-11 | Schaeffler Technologies AG & Co. KG | Baukasten für lager und lageranordnung |
US10101241B2 (en) | 2015-02-06 | 2018-10-16 | Schaeffler Technologies AG & Co. KG | Kit for bearing and bearing arrangement |
Also Published As
Publication number | Publication date |
---|---|
US20080216576A1 (en) | 2008-09-11 |
JP2009501508A (ja) | 2009-01-15 |
CN101213436A (zh) | 2008-07-02 |
EP1902293B1 (de) | 2010-05-12 |
DE502006006940D1 (de) | 2010-06-24 |
EP1902293A1 (de) | 2008-03-26 |
DE102005032720B4 (de) | 2007-04-05 |
DE102005032720A1 (de) | 2007-01-25 |
ATE467827T1 (de) | 2010-05-15 |
CN101213436B (zh) | 2011-06-08 |
US7712367B2 (en) | 2010-05-11 |
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