GB2041698A - A sensor for detecting knocking vibrations - Google Patents

A sensor for detecting knocking vibrations Download PDF

Info

Publication number
GB2041698A
GB2041698A GB8002152A GB8002152A GB2041698A GB 2041698 A GB2041698 A GB 2041698A GB 8002152 A GB8002152 A GB 8002152A GB 8002152 A GB8002152 A GB 8002152A GB 2041698 A GB2041698 A GB 2041698A
Authority
GB
United Kingdom
Prior art keywords
sensor
sensor according
piezoelectric disc
combustion engine
disc
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Withdrawn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
GB8002152A
Other languages
English (en)
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
Publication of GB2041698A publication Critical patent/GB2041698A/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/02—Microphones
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
    • G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
    • G01L23/222—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines using piezoelectric devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB8002152A 1979-01-22 1980-01-22 A sensor for detecting knocking vibrations Withdrawn GB2041698A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792902305 DE2902305A1 (de) 1979-01-22 1979-01-22 Sensor zur erfassung von klopfschwingungen

Publications (1)

Publication Number Publication Date
GB2041698A true GB2041698A (en) 1980-09-10

Family

ID=6061107

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8002152A Withdrawn GB2041698A (en) 1979-01-22 1980-01-22 A sensor for detecting knocking vibrations

Country Status (5)

Country Link
JP (1) JPS5599042A (https=)
DE (1) DE2902305A1 (https=)
FR (1) FR2447023A1 (https=)
GB (1) GB2041698A (https=)
IT (1) IT1130868B (https=)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466758A1 (fr) * 1979-09-29 1981-04-10 Nissan Motor Capteur de vibration piezoelectrique
FR2762646A1 (fr) * 1997-04-29 1998-10-30 Siemens Automotive Sa Capteur de cliquetis pour un vehicule automobile
CN105605078A (zh) * 2016-03-11 2016-05-25 大连理工大学 一种用于监测螺栓连接界面的智能垫片装置
CN106286550A (zh) * 2016-09-29 2017-01-04 大连理工大学 一种用于监测螺栓连接状况的智能螺母装置
CN106402124A (zh) * 2016-09-29 2017-02-15 大连理工大学 一种用于监测螺栓连接动态受力状况的智能螺栓装置
CN107355464A (zh) * 2017-07-18 2017-11-17 大连理工大学 一种用于监测螺栓松动的堆栈式压电陶瓷智能垫片
CN110388370A (zh) * 2018-04-20 2019-10-29 关隆股份有限公司 精密螺帽
CN112403874A (zh) * 2020-12-01 2021-02-26 蔡云龙 一种复合绝缘型超声波振子及其应用

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57120825A (en) * 1981-01-21 1982-07-28 Hitachi Ltd Sensor for knocking
US4437334A (en) 1981-02-13 1984-03-20 Franz Pischinger Method and apparatus for detecting knocking combustion
JPS59141028A (ja) * 1983-01-31 1984-08-13 Nissan Motor Co Ltd 座金型圧力センサ
DE3333285A1 (de) * 1983-09-15 1985-04-18 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zum erfassen von kraeften, spannungen bzw. beschleunigungen an maschinen, geraeten oder dgl.
DE3445452A1 (de) * 1984-12-13 1986-06-19 Robert Bosch Gmbh, 7000 Stuttgart Klopfsensor
JP3809919B2 (ja) * 1995-06-09 2006-08-16 株式会社日立製作所 シリンダ内圧検出装置
DE102010042263A1 (de) * 2010-10-11 2012-04-12 Hilti Aktiengesellschaft Sensoranordnung, beispielsweise an einem Ankerbolzen

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466758A1 (fr) * 1979-09-29 1981-04-10 Nissan Motor Capteur de vibration piezoelectrique
FR2762646A1 (fr) * 1997-04-29 1998-10-30 Siemens Automotive Sa Capteur de cliquetis pour un vehicule automobile
EP0875745A1 (fr) * 1997-04-29 1998-11-04 Siemens Automotive S.A. Capteur de cliquetis pour un véhicule automobile
CN105605078A (zh) * 2016-03-11 2016-05-25 大连理工大学 一种用于监测螺栓连接界面的智能垫片装置
CN105605078B (zh) * 2016-03-11 2018-07-13 大连理工大学 一种用于监测螺栓连接界面的智能垫片装置
CN106286550A (zh) * 2016-09-29 2017-01-04 大连理工大学 一种用于监测螺栓连接状况的智能螺母装置
CN106402124A (zh) * 2016-09-29 2017-02-15 大连理工大学 一种用于监测螺栓连接动态受力状况的智能螺栓装置
CN106402124B (zh) * 2016-09-29 2018-11-09 大连理工大学 一种用于监测螺栓连接动态受力状况的智能螺栓装置
CN107355464A (zh) * 2017-07-18 2017-11-17 大连理工大学 一种用于监测螺栓松动的堆栈式压电陶瓷智能垫片
CN110388370A (zh) * 2018-04-20 2019-10-29 关隆股份有限公司 精密螺帽
CN112403874A (zh) * 2020-12-01 2021-02-26 蔡云龙 一种复合绝缘型超声波振子及其应用

Also Published As

Publication number Publication date
IT8019339A0 (it) 1980-01-21
JPS5599042A (en) 1980-07-28
FR2447023A1 (fr) 1980-08-14
IT1130868B (it) 1986-06-18
DE2902305A1 (de) 1980-08-07
FR2447023B3 (https=) 1982-07-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)