DK2037212T3 - Fremgangsmåde og sensorindretning til bestemmelse af bøjning og/eller belastning - Google Patents

Fremgangsmåde og sensorindretning til bestemmelse af bøjning og/eller belastning Download PDF

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Publication number
DK2037212T3
DK2037212T3 DK07017913.0T DK07017913T DK2037212T3 DK 2037212 T3 DK2037212 T3 DK 2037212T3 DK 07017913 T DK07017913 T DK 07017913T DK 2037212 T3 DK2037212 T3 DK 2037212T3
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DK
Denmark
Prior art keywords
point
sensor
wind turbine
distance
rotor blade
Prior art date
Application number
DK07017913.0T
Other languages
English (en)
Inventor
Peter Bay Enevoldsen
Ib Frydendal
Original Assignee
Siemens Ag
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
Application filed by Siemens Ag filed Critical Siemens Ag
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Publication of DK2037212T3 publication Critical patent/DK2037212T3/da

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • 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
    • 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
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0224—Adjusting blade pitch
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/04—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring the deformation in a solid, e.g. by vibrating string
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
    • 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
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise
    • 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
    • F05B2270/331—Mechanical loads
    • 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
    • F05B2270/804—Optical devices
    • 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
    • F05B2270/821—Displacement measuring means, e.g. inductive
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Claims (11)

1. Langstrakt del af en vindmølle, som eventuelt er udsat for belastning, og som omfatter en sensorenhed til bestemmelse af bøjning og/eller belastning af den langstrakte del mellem et første punkt (16) og et andet punkt (17), som er tildelt til den samme side (11, 12) af den langstrakte del, hvilken sensorenhed omfatter en nærhedssensor (4) til bestemmelse af afstanden mellem det andet punkt (17) og et tredje punkt (18), hvilket tredje punkt (18) er forbundet med det første punkt (16) af en ikke-fleksibel støtte (5), idet afstanden mellem det første punkt (16) og det tredje punkt (18) er betydeligt længere end afstanden mellem det andet punkt (17) og det tredje punkt (18), kendetegnet ved, at sensorenheden omfatter et sammentrykkeligt og/eller strækbart element (3), der er anbragt mellem det andet punkt (17) og det tredje punkt (18) og omfatter et hult rum (9), der udstrækker sig fra det andet punkt (17) til det tredje punkt (18).
2. Langstrakt del ifølge krav 1, kendetegnet ved, at nærhedssensoren (4) er anbragt på det andet punkt (17) eller på det tredje punkt (18).
3. Langstrakt del ifølge krav 1 eller krav 2, kendetegnet ved, at det sammentrykkelige og/eller strækbare element (3) er en gummistøtte eller eller en teleskopenhed.
4. Langstrakt del ifølge et hvilket som helst af kravene 1 til 3, kendetegnet ved, at nærhedssensoren (4) er en akustisk sensor, en magnetisk sensor, en elektromagnetisk sensor, en kapacitiv sensor eller en induktiv felteffektsensor.
5. Langstrakt del ifølge et hvilket som helst af kravene 1 til 3, kendetegnet ved, at nærhedssensoren (4) er en laserafstandssensor.
6. Vindmøllerotorvinge (1), kendetegnet ved, at den omfatter en langstrakt del ifølge et hvilket som helst af kravene 1 til 5.
7. Vindmøllerotorvinge (1) ifølge krav 6, kendetegnet ved, at den langstrakte del omfatter mindst to sensorenheder.
8. Vindmøllerotorvinge (1) ifølge krav 7, kendetegnet ved, at to sensorenheder er anbragt, således at deres ikke-fleksible støtter udstrækker sig parallelt med hinanden på forskellige sider af (11, 12) den langstrakte del.
9. Vindmøllerotorvinge (1) ifølge krav 7 eller krav 8, kendetegnet ved, at to sensorenheder er anbragt, således at deres ikke-fleksible støtter udstrækker sig vinkelret på hinanden.
10. Vindmøllerotorvinge (1) ifølge et hvilket som helst af kravene 6 til 9, kendetegnet ved, at rotorvingen (1) omfatter en vingerod (8) og en skulder (10), og at sensorenheden er placeret mellem vingeroden (8) og skulderen (10).
11. Vindmølletårn, kendetegnet ved, at det omfatter en langstrakt del ifølge et hvilket som helst af kravene 1 til 5.
DK07017913.0T 2007-09-12 2007-09-12 Fremgangsmåde og sensorindretning til bestemmelse af bøjning og/eller belastning DK2037212T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07017913.0A EP2037212B1 (en) 2007-09-12 2007-09-12 Method and sensor setup for determination of deflection and/or strain

Publications (1)

Publication Number Publication Date
DK2037212T3 true DK2037212T3 (da) 2016-03-29

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Country Link
US (2) US8075267B2 (da)
EP (2) EP2037212B1 (da)
CN (2) CN101387505A (da)
DK (1) DK2037212T3 (da)

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Also Published As

Publication number Publication date
EP2037212B1 (en) 2015-12-30
US8123480B2 (en) 2012-02-28
CN101387505A (zh) 2009-03-18
EP2037213A1 (en) 2009-03-18
EP2037212A1 (en) 2009-03-18
CN101387266B (zh) 2013-03-20
US8075267B2 (en) 2011-12-13
CN101387266A (zh) 2009-03-18
US20090067990A1 (en) 2009-03-12
US20090068014A1 (en) 2009-03-12

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