DK178987B1 - Method and apparatus for sensing underwater signals - Google Patents

Method and apparatus for sensing underwater signals Download PDF

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Publication number
DK178987B1
DK178987B1 DKPA201570277A DKPA201570277A DK178987B1 DK 178987 B1 DK178987 B1 DK 178987B1 DK PA201570277 A DKPA201570277 A DK PA201570277A DK PA201570277 A DKPA201570277 A DK PA201570277A DK 178987 B1 DK178987 B1 DK 178987B1
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Denmark
Prior art keywords
transducer
piezoelectric element
sensing
coupled
cantilever
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DKPA201570277A
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English (en)
Inventor
Ken Kan Deng
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Ion Geophysical Corp
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
    • H02N1/002—Electrostatic motors
    • H02N1/006—Electrostatic motors of the gap-closing type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/09—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by piezoelectric pick-up
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/09—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by piezoelectric pick-up
    • G01P15/0915—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by piezoelectric pick-up of the shear mode type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/12—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by alteration of electrical resistance
    • G01P15/123—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by alteration of electrical resistance by piezo-resistive elements, e.g. semiconductor strain gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/125—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by capacitive pick-up
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/18—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration in two or more dimensions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V13/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices covered by groups G01V1/00 – G01V11/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P2015/0805—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P2015/0805—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration
    • G01P2015/0822—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass
    • G01P2015/0825—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass for one single degree of freedom of movement of the mass
    • G01P2015/0828—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass for one single degree of freedom of movement of the mass the mass being of the paddle type being suspended at one of its longitudinal ends
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49005—Acoustic transducer

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Acoustics & Sound (AREA)
  • Manufacturing & Machinery (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Pressure Sensors (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Micromachines (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Claims (7)

1. Transducer (200) til registrering af vibrationssignaler, omfattende: en udligger, som er koblet til en base (201), hvilken udligger omfatter en stang (204), der definerer mindst en koblingsflade (220, 221), som er udformet til at modtage et eller flere registrerende elementer (222); og et registrerende materiale til registrering af belastninger, der påføres på stangen (204), hvor det registrerende materiale er indlejret i udliggerens stang (204), hvor det registrerende materiale omfatter et første piezoelektrisk element med en første og en anden overflade, der er orienteret vinklet i forhold til hinanden, hvor mindst en af den første og anden overflade af det første piezoelektriske element er strukturelt koblet til mindst en af stangens (204) koblingsflader (220, 221): hvor det registrerende materiale omfatter et andet piezoelektrisk element, der er indlejret i stangen (204), hvor det andet piezoelektriske element omfatter en tredje og fjerde overflade, der er orienteret vinklet i forhold til hinanden, hvor mindst en af den tredje og fjerde overflade af det andet piezoelektriske element er strukturelt koblet til mindst en af stangens (204) koblingsflader (220, 221), og hvor transduceren (200) også omfatter et tredje og fjerde piezoelektrisk element, der er indlejret i stangen (204), hvor det tredje piezoelektriske element er orienteret parallelt med det første piezoelektriske element, og det fjerde piezoelektriske element er orienteret parallelt med det andet piezoelektriske element; kendetegnet ved, at det første piezoelektriske element og det andet piezoelektriske element strækker sig i det væsentlige ikke-vinkelret på og ikke-parallelt med en længdeakse (224) af stangen (204).
2. Transducer (200) ifølge krav 1, hvor det registrerende materiale omfatter et piezoelektrisk element med forskydningstilstand, og en del af det registrerende materiale, der omfatter det piezoelektriske element med forskydningstilstand, haret parallelogramtværsnit.
3. Transducer (200) ifølge et hvilket som helst af de foregående krav, hvor udliggeren er koblet til basen (201) i en første ende af udliggeren og endvidere omfattende en prøve-masse (210), der er koblet til en anden ende af udliggeren.
4. Transducer (200) ifølge et hvilket som helst af de foregående krav, hvor udliggeren er koblet til basen (201) i en første ende af udliggeren, og det registrerende materiale er indlejret i udliggeren tæt på den første ende af udliggeren.
5. Transducer (200) ifølge et hvilket som helst af de foregående krav, hvor stangen (204) omfatter en rille med en første indvendig væg, en anden indvendig væg og en tredje indvendig væg, hvor den tredje indvendige væg er i det væsentlige parallel med den første indvendige væg, og en del af det registrerende materiale er indlejret i rillen, endvidere hvor delen af det registrerende materiale omfatter et af de piezoelektriske elementer, der er forbundet med den første og tredje indvendige væg, men ikke den anden indvendige væg, hvor overfladerne af det piezoelektriske element strækker sig i det væsentlige ikke-vinkelret på og ikke-parallelt med stangens (204) længdeakse (224).
6. Fremgangsmåde til registrering af vibrationssignaler, omfattende handlingen, hvor der tilvejebringes data fra en transducer (200) ifølge et hvilket som helst af kravene 1-5.
7. Fremgangsmåde ifølge krav 6, endvidere omfattende handlingen, hvor der behandles data fra transduceren (200) til bestemmelse af akustisk acceleration af legemet i mindst en retningskomponent.
DKPA201570277A 2011-02-07 2015-05-12 Method and apparatus for sensing underwater signals DK178987B1 (en)

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Application Number Priority Date Filing Date Title
US201161462656P 2011-02-07 2011-02-07
US201161462617P 2011-02-07 2011-02-07
US201161462656 2011-02-07
US201161462617 2011-02-07
DK201370430A DK178437B1 (da) 2011-02-07 2013-08-02 Fremgangsmåde og indretning til registrering af undervandssignaler
DK201370430 2013-08-02
DK201570277 2015-05-12
DKPA201570277A DK178987B1 (en) 2011-02-07 2015-05-12 Method and apparatus for sensing underwater signals

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US (2) US9502993B2 (da)
EP (2) EP2673663B1 (da)
CN (2) CN103534612B (da)
AU (2) AU2012214506B2 (da)
BR (1) BR112013020039B1 (da)
CA (1) CA2826558C (da)
DK (2) DK178437B1 (da)
RU (1) RU2603438C2 (da)
WO (2) WO2012109266A2 (da)

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