KR960018536A - Vibration detection method and apparatus - Google Patents

Vibration detection method and apparatus Download PDF

Info

Publication number
KR960018536A
KR960018536A KR1019950043988A KR19950043988A KR960018536A KR 960018536 A KR960018536 A KR 960018536A KR 1019950043988 A KR1019950043988 A KR 1019950043988A KR 19950043988 A KR19950043988 A KR 19950043988A KR 960018536 A KR960018536 A KR 960018536A
Authority
KR
South Korea
Prior art keywords
piezoelectric ceramic
level
power
output
vibration
Prior art date
Application number
KR1019950043988A
Other languages
Korean (ko)
Other versions
KR0164980B1 (en
Inventor
나루오 이시다
요시오 사이죠
신고오 아라카와
기미아키 와타나베
히데히로 이나바
Original Assignee
미요시 순키치
니홍고오깡 가부시키가이샤
세이지 미츠루
가부시키가이샤 후지세라믹스
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 미요시 순키치, 니홍고오깡 가부시키가이샤, 세이지 미츠루, 가부시키가이샤 후지세라믹스 filed Critical 미요시 순키치
Publication of KR960018536A publication Critical patent/KR960018536A/en
Application granted granted Critical
Publication of KR0164980B1 publication Critical patent/KR0164980B1/en

Links

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
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
    • H10N30/302—Sensors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

진동의 가속도에 대응하는 검출신호를 출력하는 가속도센서(2)와, 그 가속도센서(2)의 출력레벨이 미리설정한 기준레벨을 초과했을때 출력을 발생하는 레벨판정기(3)와 그 레벨판정기(3)의 출력을 표시하는 표시기(4)와 진동을 받았을때 전하를 발생하는 압전세라믹을 사용한 압전세라믹 전원발생부(5)와 그 압전세라믹 전원발생부(5)가 발생하는 전하를 직류전원에 변환하여 그 직류전원을 상기 레벨 판정기 및 표시기의 소비전원으로서 공급하는 직류변환부(6)를 구비한 것이다.An acceleration sensor 2 for outputting a detection signal corresponding to the acceleration of vibration, a level determiner 3 for generating an output when the output level of the acceleration sensor 2 exceeds a preset reference level, and the level An electric charge generated by the piezoelectric ceramic power generator 5 and the piezoceramic power generator 5 using the piezoelectric ceramic that generates charge when the vibration is received and the indicator 4 indicating the output of the determiner 3 And a DC conversion section 6 for converting the DC power to supply the DC power as the power consumption of the level determiner and the indicator.

Description

진동의 검출방법 및 그 장치Vibration detection method and apparatus

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 관한 자발전원(自發電源)에 의한 진동검출방법 및 장치의 설명도이고,1 is an explanatory diagram of a vibration detection method and apparatus by a self-generating source according to the present invention,

제2도는 본 발명에 관한 압전(壓展) 세라믹 전원발생부의 일예를 나타내는 도면이고,2 is a diagram showing an example of a piezoelectric ceramic power generation unit according to the present invention;

제3도는 본 발명에 관한 직류변환부의 일예를 나타내는 도면이고,3 is a diagram showing an example of a DC converter according to the present invention;

제4도는 본 발명에 관한 자발전원에 의한 진동검출장치의 구조예를 나타내는 도면이고,4 is a diagram showing a structural example of a vibration detection device by a self-generating source according to the present invention;

제5도는 본 발명에 관한 압전세라믹 전원발생부의 다른예를 나타내는 도면이다.5 is a diagram showing another example of the piezoelectric ceramic power generator according to the present invention.

Claims (3)

이하의 공정으로 이루어진 진동검출방법.Vibration detection method consisting of the following steps. 이하로 이루어진 진공검출장치.Vacuum detection device consisting of the following. 제2항에 있어서, 그 전원발생수단은 판상형상으로 바이모르프(bi-morph) 구조의 압전세라믹소자와, 상기 압전세라믹소자의 일단을 고정하는 수단과 상기 압전세라믹 소자의 타단에 취부한 추로되며 상기 압전세라믹소자의 휨진동에 의해 전하가 발생하게 되는 진동검출장치.3. The power generating means according to claim 2, wherein the power generating means includes a piezoelectric ceramic element having a bi-morph structure in a plate shape, a means for fixing one end of the piezoelectric ceramic element, and a weight attached to the other end of the piezoelectric ceramic element. And a charge generated by the bending vibration of the piezoelectric ceramic element. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950043988A 1994-11-28 1995-11-27 Method and device for detecting vibration by power source of its own KR0164980B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6292451A JPH08145783A (en) 1994-11-28 1994-11-28 Method and device for detecting vibration by power source of its own
JP94-292451 1994-11-28

Publications (2)

Publication Number Publication Date
KR960018536A true KR960018536A (en) 1996-06-17
KR0164980B1 KR0164980B1 (en) 1999-03-30

Family

ID=17781979

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950043988A KR0164980B1 (en) 1994-11-28 1995-11-27 Method and device for detecting vibration by power source of its own

Country Status (2)

Country Link
JP (1) JPH08145783A (en)
KR (1) KR0164980B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4272177B2 (en) 2005-03-24 2009-06-03 株式会社日立製作所 Impact detection sensor node and impact detection sensor network system
KR100702180B1 (en) * 2005-08-11 2007-04-02 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 an operator vibration monitoring system for earth moving machinery with operation cab
JP2008292319A (en) * 2007-05-24 2008-12-04 Kobe Steel Ltd Vibration sensor system
JP2011187022A (en) * 2010-03-11 2011-09-22 Toshiba Corp Abnormality monitoring system
WO2014024559A1 (en) * 2012-08-06 2014-02-13 日本電気株式会社 Vibration detecting apparatus
JP6235362B2 (en) * 2014-02-12 2017-11-22 積水化学工業株式会社 Piezoelectric vibration sensor
CN103868583A (en) * 2014-03-28 2014-06-18 江南大学 Zigbee wireless acceleration sensor with self-powered function
JP5800345B1 (en) * 2015-02-13 2015-10-28 新川センサテクノロジ株式会社 Wireless sensor, monitoring system and monitoring method using the same
CN110428597A (en) * 2019-07-11 2019-11-08 大唐国际发电股份有限公司张家口发电厂 The disconnected coal signalling alarm equipment of dynamic based on piezoelectric ceramics and its logical design

Also Published As

Publication number Publication date
KR0164980B1 (en) 1999-03-30
JPH08145783A (en) 1996-06-07

Similar Documents

Publication Publication Date Title
GB9917856D0 (en) Piezo-electric tag
ATE167010T1 (en) DEVICE FOR CONVERTING PRESSURE Fluctuations IN FLUID SYSTEMS INTO ELECTRICAL ENERGY
TR199901668T2 (en) Resonant macrosonic synthesis (RMS) energy conversion
CA2261505A1 (en) Ultrasonic generator with supervisory control circuitry
DE50211454D1 (en) DEVICE FOR POWER SUPPLYING A SENSOR
HUP9900179A2 (en) Vibration transducer and loudspeaker
KR960018536A (en) Vibration detection method and apparatus
GB2357198A (en) Method and device for generating voltage peaks in an electrostatic preciptator
CA2175303A1 (en) Device for Establishing and/or Monitoring a Predetermined Filling Level in a Container
ES525788A0 (en) DEVICE FOR TESTING FATIGUE OF A MECHANICAL ORGAN
NO20030751L (en) Seismic source sensor
ES2103226A1 (en) Transformers of electric voltage meters based on mechanical waves
FR2739189B1 (en) VIBRATING GYROMETER
RU1803980C (en) Displacement/code converter
SU678503A1 (en) Sound generator
KR970028558A (en) Pole detection circuit
KR970048504A (en) Multiple sound pressure test device
SE9001660L (en) DEVICE IN SIGNAL SENSOR
RU94016758A (en) ELECTROPOTENTIAL MEASURING DEPTH OF CRACKLES
KR920019183A (en) Image signal converter
KR930013515A (en) Cantilever Active Vibration Control System
RU97119156A (en) DEVICE FOR ACOUSTIC CONTROL OF PROPERTIES OF SOLID MATERIALS
KR950023973A (en) Miniaturized Ultrasonic Fingers
KR910005624A (en) Test call signal generation circuit in electronic switching system
KR970048624A (en) Rain detection device

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee