KR910005040A - 진동검출기 - Google Patents

진동검출기 Download PDF

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Publication number
KR910005040A
KR910005040A KR1019900011584A KR900011584A KR910005040A KR 910005040 A KR910005040 A KR 910005040A KR 1019900011584 A KR1019900011584 A KR 1019900011584A KR 900011584 A KR900011584 A KR 900011584A KR 910005040 A KR910005040 A KR 910005040A
Authority
KR
South Korea
Prior art keywords
vibration
vibration detector
bush
fixed
ring nut
Prior art date
Application number
KR1019900011584A
Other languages
English (en)
Inventor
사토시 고무라사키
Original Assignee
시키 모리야
미쓰비시덴키 가부시키가이샤
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 시키 모리야, 미쓰비시덴키 가부시키가이샤 filed Critical 시키 모리야
Publication of KR910005040A publication Critical patent/KR910005040A/ko
Priority to KR2019930005302U priority Critical patent/KR930003722Y1/ko

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/04—Measuring characteristics of vibrations in solids by using direct conduction to the detector of vibrations which are transverse to direction of propagation
    • G01H1/06—Frequency
    • 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
    • G01P15/0907—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 compression mode type
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

내용 없음.

Description

진동검출기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 한 실시예의 정면단면도.
제2도는, 제1도중의 링넛에 대한 (a)평면도, (b)측단면도.
제3도는 주파수특성비교선도.

Claims (1)

  1. 중심에 볼트끼움구멍을 갖고 있는 원통부와, 피검출체에 고정시키기 위해 대붙이는 좌면이 형성되어 있는 부시와, 압전소자와 중량체의 적층제로 이루어지고, 상기 원통부에 나사조임된 링넛에 의해 상기 부시의 받침면 상에 결합되어 있는 원통형의 진동-전기변환부를 갖춘 진동검출기에 있어서, 상기 중량체의 직경방향두께에 대해 이보다 작은 직경길이에 해당하는 부분으로 상기 진동-전기전환부를 고정시키고 있는 상기 링넛을 갖추어서 이루고 있음을 특징으로 하는 진동검출기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900011584A 1989-08-01 1990-07-30 진동검출기 KR910005040A (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019930005302U KR930003722Y1 (ko) 1989-08-01 1993-04-02 진동 검출기

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1-198023 1989-08-01
JP1198023A JPH0363528A (ja) 1989-08-01 1989-08-01 振動検出器

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR2019930005302U Division KR930003722Y1 (ko) 1989-08-01 1993-04-02 진동 검출기

Publications (1)

Publication Number Publication Date
KR910005040A true KR910005040A (ko) 1991-03-29

Family

ID=16384240

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900011584A KR910005040A (ko) 1989-08-01 1990-07-30 진동검출기

Country Status (4)

Country Link
US (1) US5150606A (ko)
JP (1) JPH0363528A (ko)
KR (1) KR910005040A (ko)
DE (1) DE4024339C2 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4123786A1 (de) * 1991-07-18 1993-01-21 Bosch Gmbh Robert Klopfsensor
DE4403660B4 (de) * 1993-04-10 2006-08-10 Robert Bosch Gmbh Druckhülse
FR2703772B1 (fr) * 1993-04-10 1995-05-19 Bosch Gmbh Robert Douille de pression, notamment pour un capteur de cognement.
DE19524152C1 (de) * 1995-07-03 1996-05-23 Bosch Gmbh Robert Schwingungsaufnehmer
DE19612541A1 (de) * 1996-03-29 1997-10-02 Bosch Gmbh Robert Schwingungsaufnehmer und Verfahren zu dessen Herstellung
US6247364B1 (en) 1997-10-27 2001-06-19 Thomas P. Kicher & Co. Acceleration transducer and method
JP4222196B2 (ja) * 2003-12-01 2009-02-12 株式会社デンソー 電気回路機器の破壊防止構造
JP4053514B2 (ja) * 2004-05-26 2008-02-27 三菱電機株式会社 内燃機関のノッキングセンサおよびその製造方法
JP4209829B2 (ja) * 2004-10-15 2009-01-14 三菱電機株式会社 ノックセンサ及びその製造方法
JP4121092B2 (ja) * 2005-11-22 2008-07-16 三菱電機株式会社 ノックセンサ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3307054A (en) * 1959-09-15 1967-02-28 Endevco Corp Accelerometer
US3506857A (en) * 1967-03-10 1970-04-14 Bell & Howell Co Compressive mode piezoelectric transducer with isolation of mounting base strains from the signal producing means thereof
DE3037835C2 (de) * 1980-10-07 1982-11-18 Daimler-Benz Ag, 7000 Stuttgart Beschleunigungsaufnehmer
JPH0512740Y2 (ko) * 1988-01-11 1993-04-02
JPH0225834U (ko) * 1988-08-05 1990-02-20
US4964294A (en) * 1988-09-12 1990-10-23 Ngk Spark Plug Co., Ltd. Non-resonating type knock sensor

Also Published As

Publication number Publication date
JPH0363528A (ja) 1991-03-19
US5150606A (en) 1992-09-29
DE4024339C2 (de) 1995-06-01
DE4024339A1 (de) 1991-02-07

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
WICV Withdrawal of application forming a basis of a converted application