DE10346620A1 - Ultrasonic sensor with a diaphragm and a piezo element - Google Patents

Ultrasonic sensor with a diaphragm and a piezo element Download PDF

Info

Publication number
DE10346620A1
DE10346620A1 DE2003146620 DE10346620A DE10346620A1 DE 10346620 A1 DE10346620 A1 DE 10346620A1 DE 2003146620 DE2003146620 DE 2003146620 DE 10346620 A DE10346620 A DE 10346620A DE 10346620 A1 DE10346620 A1 DE 10346620A1
Authority
DE
Germany
Prior art keywords
diaphragm
ultrasonic sensor
piezo element
damping device
vibration system
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Withdrawn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
DE2003146620
Other languages
German (de)
Inventor
Holger Opfer
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE2003146620 priority Critical patent/DE10346620A1/en
Priority to FR0452243A priority patent/FR2860736B1/en
Publication of DE10346620A1 publication Critical patent/DE10346620A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/30—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups with electronic damping

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

Um einen Ultraschallsensor (100) mit einer Membran (13) und einem Piezoelement (14) als primärem Schwingungssystem (10), das mit einer Dämpfungseinrichtung verbunden ist, zu schaffen, bei dem ein rasches Abklingen einer Schwingung der Membran (13) ermöglicht ist, wird vorgeschlagen, dass die Dämpfungseinrichtung ein sekundäres Schwingungssystem (20) ist, das verzögert anregbar ist.In order to provide an ultrasonic sensor (100) having a diaphragm (13) and a piezoelement (14) as a primary vibration system (10) connected to a damping device, in which rapid decay of vibration of the diaphragm (13) is made possible, It is proposed that the damping device is a secondary vibration system (20), which is delayed excitable.

DE2003146620 2003-10-08 2003-10-08 Ultrasonic sensor with a diaphragm and a piezo element Withdrawn DE10346620A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE2003146620 DE10346620A1 (en) 2003-10-08 2003-10-08 Ultrasonic sensor with a diaphragm and a piezo element
FR0452243A FR2860736B1 (en) 2003-10-08 2004-10-04 ULTRASONIC SENSOR COMPRISING A MEMBRANE AND A PIEZOELECTRIC ELEMENT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2003146620 DE10346620A1 (en) 2003-10-08 2003-10-08 Ultrasonic sensor with a diaphragm and a piezo element

Publications (1)

Publication Number Publication Date
DE10346620A1 true DE10346620A1 (en) 2005-05-04

Family

ID=34353344

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2003146620 Withdrawn DE10346620A1 (en) 2003-10-08 2003-10-08 Ultrasonic sensor with a diaphragm and a piezo element

Country Status (2)

Country Link
DE (1) DE10346620A1 (en)
FR (1) FR2860736B1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010027780A1 (en) * 2010-04-15 2011-10-20 Robert Bosch Gmbh Method for driving an ultrasonic sensor and ultrasonic sensor
EP2463854A1 (en) 2010-12-08 2012-06-13 Robert Bosch GmbH Ultrasound sensor with a dampening device and use of same
DE102013211533A1 (en) * 2013-06-19 2014-12-24 Robert Bosch Gmbh Ultrasonic transducer and method for operating an ultrasonic transducer
DE102016120120A1 (en) * 2016-10-21 2018-04-26 Valeo Schalter Und Sensoren Gmbh Sensor device for a motor vehicle with a arranged on a membrane damping element, arrangement, driver assistance system and motor vehicle
DE102017209823A1 (en) * 2017-06-09 2018-12-13 Robert Bosch Gmbh ultrasonic sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1249628A (en) * 1968-01-12 1971-10-13 Janos Szilard Improvements in or relating to ultrasonic pulse-echo systems
JPH057835Y2 (en) * 1986-06-10 1993-02-26
DE4321949C2 (en) * 1992-07-03 1997-07-10 Murata Manufacturing Co Vibrator unit
DE19605502C1 (en) * 1996-02-14 1997-04-24 Fraunhofer Ges Forschung Ultrasonic transducer for distance measurement

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010027780A1 (en) * 2010-04-15 2011-10-20 Robert Bosch Gmbh Method for driving an ultrasonic sensor and ultrasonic sensor
US8760971B2 (en) 2010-04-15 2014-06-24 Robert Bosch Gmbh Method for controlling an ultrasonic sensor and ultrasonic sensor
US10067099B2 (en) 2010-04-15 2018-09-04 Robert Bosch Gmbh Method for controlling an ultrasonic sensor and ultrasonic sensor
EP2463854A1 (en) 2010-12-08 2012-06-13 Robert Bosch GmbH Ultrasound sensor with a dampening device and use of same
DE102010062593A1 (en) 2010-12-08 2012-06-14 Robert Bosch Gmbh Ultrasonic sensor with a damping device and use thereof
DE102013211533A1 (en) * 2013-06-19 2014-12-24 Robert Bosch Gmbh Ultrasonic transducer and method for operating an ultrasonic transducer
DE102016120120A1 (en) * 2016-10-21 2018-04-26 Valeo Schalter Und Sensoren Gmbh Sensor device for a motor vehicle with a arranged on a membrane damping element, arrangement, driver assistance system and motor vehicle
DE102017209823A1 (en) * 2017-06-09 2018-12-13 Robert Bosch Gmbh ultrasonic sensor

Also Published As

Publication number Publication date
FR2860736B1 (en) 2014-07-04
FR2860736A1 (en) 2005-04-15

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
R016 Response to examination communication
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee