EP2949864B1 - Component with sensor and sensor installation method - Google Patents

Component with sensor and sensor installation method Download PDF

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Publication number
EP2949864B1
EP2949864B1 EP14170188.8A EP14170188A EP2949864B1 EP 2949864 B1 EP2949864 B1 EP 2949864B1 EP 14170188 A EP14170188 A EP 14170188A EP 2949864 B1 EP2949864 B1 EP 2949864B1
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EP
European Patent Office
Prior art keywords
sensor
component
coupon
cavity
joining
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.)
Active
Application number
EP14170188.8A
Other languages
German (de)
French (fr)
Other versions
EP2949864A1 (en
Inventor
Ken Yves Haffner
George Kirilov Drensky
Jaroslaw Leszek Szwedowicz
Simone Hoevel
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.)
Ansaldo Energia IP UK Ltd
Original Assignee
Ansaldo Energia IP UK Ltd
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 Ansaldo Energia IP UK Ltd filed Critical Ansaldo Energia IP UK Ltd
Priority to EP14170188.8A priority Critical patent/EP2949864B1/en
Publication of EP2949864A1 publication Critical patent/EP2949864A1/en
Application granted granted Critical
Publication of EP2949864B1 publication Critical patent/EP2949864B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/02—Arrangement of sensing elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/003—Arrangements for testing or measuring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/005—Repairing methods or devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/288—Protective coatings for blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
    • F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
    • F05D2230/234—Laser welding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/90—Coating; Surface treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/80—Diagnostics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/83—Testing, e.g. methods, components or tools therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/80—Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/80—Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges
    • F05D2270/808—Strain gauges; Load cells

Definitions

  • the present disclosure relates generally to monitoring parameters of component located in a working fluid and particularly to the installation of measurement devices in a gas turbine steam turbine, HRSG, or boilers.
  • a direct measurement solution is discussed in US patent application 2006/0056959 A1 .
  • the solution involves providing a component for use in a combustion turbine having a substrate with a micro-electromechanical system (MEMS) device affixed to the substrate. At least one deposited connector is in electrical communication with the MEMS device and is used to route a data signal from the MEMs device to a termination location.
  • the MEMS device is deposited in a number of trenches in a thermal barrier coating of the component.
  • US7604402 and US2012/128468 disclose measuring devices for a gas turbine component where the sensors are arranged in a recess of the component.
  • US2011/280279 discloses measuring wireless sensors for a gas turbine.
  • GB2452026 discloses measuring instrumentation for a gas turbine comprising internal passageways connect the leading edge.
  • US2011/100964 discloses a process for welding a gas turbine component.
  • the disclosure is generally based on fixing a coupon embedded with a sensor to a working fluid exposed component.
  • coupons are a known to be used to repairing components the solution provides a simple means of retrofitting components with sensors, in particularly during component repair.
  • a component that is configured to be exposed to the working fluid of a turbine such as a turbine blade, comprises a coupon that is fitted, such as by welding, in or located on the component and a measurement sensor embedded in and/or located on the coupon.
  • the sensor may be configured to measure one or more of a selection of temperature, pressure and strain.
  • the sensor is a self-powered, wireless sensor which may include an antenna.
  • a coating such as a thermal barrier coating covers an outer layer of the sensor and at least part of an outer surface of the coupon.
  • the component includes a measurement channel with a first opening through a surface of the component and a second opening fluidly connected to the sensor.
  • An aspect includes a method of fitting and joining a sensor to a turbine blade, comprising the steps of forming a cavity in the turbine blade, forming a coupon fittable within the cavity, embedding a sensor in or on the coupon and fitting and joining the coupon, with the sensor, in the cavity.
  • the method includes the step of coating the coupon with a thermal barrier coating after the step of fitting and joining of the coupon.
  • a component has a cavity 6 in which a coupon 8 having an embedded sensor 14 may be fixed.
  • a surface of the sensor 14 and at least part of a surface of the coupon 8 is covered with a coating 12, such as a thermal barrier coating, to protect the sensor 14 and the coupon 8.
  • the coating 12 may also extend over the component 2.
  • the sensor may be any type of MEMs sensor including self-powered wireless sensors configured to measure temperature, pressure and/or strain.
  • the coupon 8 may be fixed within the cavity 6 using any known method of fixing coupons to components as part of component repair methods.
  • the fixing/joining may therefore include, brazing and/or welding, including laser welding.
  • coupon 8 may be part of a turbine blade 4.
  • the embedded sensor 14 may further include an antenna 16, also embedded in the coupon 8, to embedded wireless communication with the sensor 14.
  • the coupon itself may take any shape including curved straight, flat or any other shape.
  • it may be formed by any known method or technology including selective laser melting.
  • the component 2 is a turbine blade 4 that includes a measurement channel 18 fluidly connected to a fitted coupon 8 and sensor 14.
  • a property of the working fluid such as pressure
  • the measurement channel 18 with a first end opening to the working fluid and a second end in fluid contact with the sensor 14 is formed prior to the installation of the coupon 8, for example during manufacture of the blade using a techniques including but not limited to Selective Laser Melting, casting, and drilling.
  • the cavity 6 for fitting and joining the coupon 8 is first formed in the component 2.
  • Methods for forming the cavity include machining, electro-chemical processes such as milling, die sinking, or direct build-up by additive manufacturing of the coupon with cavity.
  • a cavity 6 is formed in a component 2, a coupon10, fittable within the cavity 6 is formed, a sensor 14 is embedded in or on the coupon 8 and the coupon 8 is fixed into the cavity.
  • the order which the cavity 6 and coupon 8 are formed is not significant.
  • At least part of a surface of the coupon 8 and a surface of the sensor 14 is covered by a coating 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Description

    TECHNICAL FIELD
  • The present disclosure relates generally to monitoring parameters of component located in a working fluid and particularly to the installation of measurement devices in a gas turbine steam turbine, HRSG, or boilers.
    • BACKGROUND INFORMATION
  • In order to obtain information regarding the internal status and condition of a gas turbine engine, there is a need to measure or at least estimate conditions. While it may be possible to estimate conditions using numerical methods it is preferably to obtain data by direct measurement.
  • A direct measurement solution is discussed in US patent application 2006/0056959 A1 . The solution involves providing a component for use in a combustion turbine having a substrate with a micro-electromechanical system (MEMS) device affixed to the substrate. At least one deposited connector is in electrical communication with the MEMS device and is used to route a data signal from the MEMs device to a termination location. The MEMS device is deposited in a number of trenches in a thermal barrier coating of the component. US7604402 and US2012/128468 disclose measuring devices for a gas turbine component where the sensors are arranged in a recess of the component. US2011/280279 discloses measuring wireless sensors for a gas turbine. GB2452026 discloses measuring instrumentation for a gas turbine comprising internal passageways connect the leading edge. US2011/100964 discloses a process for welding a gas turbine component.
  • The requirement for trenches and routing of connections to distal locations of the component increases the difficulty in retrofitting such solution to existing components.
    • SUMMARY
  • Provided is a component according to claim 1 and a simplified method for retrofitting a component according to claim 6.
  • It attempts to address this problem by means of the subject matters of the independent claims. Advantageous embodiments are given in the dependent claims.
  • The disclosure is generally based on fixing a coupon embedded with a sensor to a working fluid exposed component. As coupons are a known to be used to repairing components the solution provides a simple means of retrofitting components with sensors, in particularly during component repair.
  • In an aspect a component that is configured to be exposed to the working fluid of a turbine such as a turbine blade, comprises a coupon that is fitted, such as by welding, in or located on the component and a measurement sensor embedded in and/or located on the coupon. The sensor may be configured to measure one or more of a selection of temperature, pressure and strain. In a further aspect the sensor is a self-powered, wireless sensor which may include an antenna.
  • In a further aspect a coating, such as a thermal barrier coating covers an outer layer of the sensor and at least part of an outer surface of the coupon.
  • In a further aspect the component includes a measurement channel with a first opening through a surface of the component and a second opening fluidly connected to the sensor.
  • An aspect includes a method of fitting and joining a sensor to a turbine blade, comprising the steps of forming a cavity in the turbine blade, forming a coupon fittable within the cavity, embedding a sensor in or on the coupon and fitting and joining the coupon, with the sensor, in the cavity.
  • In a further aspect the method includes the step of coating the coupon with a thermal barrier coating after the step of fitting and joining of the coupon.
  • It is a further object of the invention to overcome or at least ameliorate the disadvantages and shortcomings of the prior art or provide a useful alternative.
  • Other aspects and advantages of the present disclosure will become apparent from the following description, taken in connection with the accompanying drawings which by way of example illustrate exemplary embodiments of the present invention.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • By way of example, an embodiment of the present disclosure is described more fully hereinafter with reference to the accompanying drawings, in which:
    • Figure 1 is a side cut view of a component with a cavity and a fitted coupon that has an embedded sensor;
    • Figure 2 is a perspective of another example wherein the component is a turbine blade; and
    • Figure 3 is a perspective of an embodiment of the invention wherein the sensor is fitted to the component and the component includes a measurement channel in fluid contact with the embedded sensor.
    DETAILED DESCRIPTION
  • Exemplary embodiments of the present disclosure are now described with references to the drawings, wherein like reference numerals are used to refer to like elements throughout. In the following description, for purposes of explanation, numerous specific details are set forth to provide a thorough understanding of the disclosure. However, the present disclosure may be practiced without these specific details, and is not limited to the exemplary embodiment disclosed herein.
  • In an example shown in Fig 1 a component, has a cavity 6 in which a coupon 8 having an embedded sensor 14 may be fixed. In an exemplary embodiment a surface of the sensor 14 and at least part of a surface of the coupon 8 is covered with a coating 12, such as a thermal barrier coating, to protect the sensor 14 and the coupon 8. The coating 12 may also extend over the component 2.
  • The sensor may be any type of MEMs sensor including self-powered wireless sensors configured to measure temperature, pressure and/or strain.
  • The coupon 8 may be fixed within the cavity 6 using any known method of fixing coupons to components as part of component repair methods. The fixing/joining may therefore include, brazing and/or welding, including laser welding.
  • In an example shown in Fig. 2 coupon 8 may be part of a turbine blade 4. In addition, the embedded sensor 14 may further include an antenna 16, also embedded in the coupon 8, to embedded wireless communication with the sensor 14.
  • The coupon itself may take any shape including curved straight, flat or any other shape. In addition it may be formed by any known method or technology including selective laser melting.
  • In an embodiment according to the invention shown in Fig. 3 the component 2 is a turbine blade 4 that includes a measurement channel 18 fluidly connected to a fitted coupon 8 and sensor 14. In this embodiment direct measurement of a property of the working fluid, such as pressure, is enabled. The measurement channel 18 with a first end opening to the working fluid and a second end in fluid contact with the sensor 14 is formed prior to the installation of the coupon 8, for example during manufacture of the blade using a techniques including but not limited to Selective Laser Melting, casting, and drilling.
  • In an exemplary embodiment where the coupon 8 with embedded sensor 14 is retrofitted to a component as part of a component repair, the cavity 6 for fitting and joining the coupon 8 is first formed in the component 2. Methods for forming the cavity include machining, electro-chemical processes such as milling, die sinking, or direct build-up by additive manufacturing of the coupon with cavity.
  • In an method according to the invention, a cavity 6 is formed in a component 2, a coupon10, fittable within the cavity 6 is formed, a sensor 14 is embedded in or on the coupon 8 and the coupon 8 is fixed into the cavity. The order which the cavity 6 and coupon 8 are formed is not significant.
  • In an exemplary method, at least part of a surface of the coupon 8 and a surface of the sensor 14 is covered by a coating 12.
  • Although the disclosure has been herein shown and described in what is conceived to be the most practical exemplary embodiment, it will be appreciated by those skilled in the art that the present disclosure can be embodied in other specific forms. The presently disclosed embodiments are therefore considered in all respects to be illustrative and not restricted. The scope of the disclosure is indicated by the appended claims rather that the foregoing description and all changes that come within the meaning and range and equivalences thereof are intended to be embraced therein.
    • REFERENCE NUMBERS
    • 2
    Component
    4
    Turbine blade
    6
    Cavity
    8
    Coupon
    12
    Coating
    14
    Sensor
    16
    Antenna
    18
    Measurement channel

Claims (8)

  1. A component (2) configured to be exposed to a working fluid, the component (2) comprising:
    a coupon (8) fitted in or located on the component (2); and
    a measurement sensor (14) embedded in and/or located on the coupon (8);
    wherein the component (2) is a turbine blade (4);
    characterised in that
    the component (2) further including a measurement channel (18) with a first opening through a surface of the component (2) and a second opening fluidly connected to the sensor (14).
  2. The component (2) of claim 1 wherein the measurement sensor (14) is configured to measure one or more of a selection of temperature, pressure and strain.
  3. The component (2) of claim 1 wherein a coating (12) covers an outer layer of the sensor (14) and at least part of an outer surface of the coupon (10).
  4. The component (2) of claim 1 wherein the sensor (14) is a self-powered, wireless sensor (14).
  5. The component (2) of any one of claims 1 to 4 wherein the sensor (14) includes an antenna (16) for wireless communication from the sensor (14).
  6. A method of fitting and joining a sensor (14) to a turbine blade (4), comprising the steps of:
    forming a cavity (6) in the turbine blade (4);
    forming a coupon (8) fittable within the cavity (6);
    embedding the sensor (14) in or on the coupon (8, 10); and
    fitting and joining the coupon (8, in the cavity (6);
    characterised in that
    the method further includes the step of forming a measurement channel (18) with a first end opening to the working fluid and a second end in fluid contact with the sensor (14) prior to the installation of the coupon (8).
  7. The method of claim 6 further including the step of coating (12) the coupon (8) with a thermal barrier coating (12) after the step of fitting and joining the coupon (8).
  8. The method of claim 6 wherein fitting and joining the coupon (8) in the cavity (6) includes laser welding the coupon (8) to the component (2).
EP14170188.8A 2014-05-28 2014-05-28 Component with sensor and sensor installation method Active EP2949864B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14170188.8A EP2949864B1 (en) 2014-05-28 2014-05-28 Component with sensor and sensor installation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14170188.8A EP2949864B1 (en) 2014-05-28 2014-05-28 Component with sensor and sensor installation method

Publications (2)

Publication Number Publication Date
EP2949864A1 EP2949864A1 (en) 2015-12-02
EP2949864B1 true EP2949864B1 (en) 2017-07-05

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017208645A1 (en) * 2017-05-22 2018-11-22 Siemens Aktiengesellschaft Probe head
EP3627254A1 (en) * 2018-09-18 2020-03-25 Siemens Aktiengesellschaft Product manufactured by additive manufacturing containing active component, method of manufacturing and machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7582359B2 (en) 2002-09-23 2009-09-01 Siemens Energy, Inc. Apparatus and method of monitoring operating parameters of a gas turbine
DE102007006723A1 (en) * 2006-03-20 2007-09-27 Alstom Technology Ltd. Measuring device for measuring the temperature of a thermally loaded, provided with a protective surface coating, metallic base body and method for producing such Meßvorichtung
GB2452026B (en) * 2007-07-27 2010-05-05 Assystem Instrumentation rake and aerofoil having instrumentation elements and method of manufacture therefor
DE102008018264A1 (en) * 2008-04-10 2009-10-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlled temperature profile welding method and apparatus therefor
US8348504B2 (en) * 2010-05-12 2013-01-08 Wireless Sensor Technologies, Llc Wireless temperature measurement system and methods of making and using same
US20120128468A1 (en) * 2010-11-22 2012-05-24 Kurt Kramer Schleif Sensor assembly for use with a turbomachine and methods of assembling same

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