JPS613408U - piezoelectric sensor - Google Patents

piezoelectric sensor

Info

Publication number
JPS613408U
JPS613408U JP8664484U JP8664484U JPS613408U JP S613408 U JPS613408 U JP S613408U JP 8664484 U JP8664484 U JP 8664484U JP 8664484 U JP8664484 U JP 8664484U JP S613408 U JPS613408 U JP S613408U
Authority
JP
Japan
Prior art keywords
piezoelectric
piezoelectric sensor
plate
detector
piezoelectric plate
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.)
Pending
Application number
JP8664484U
Other languages
Japanese (ja)
Inventor
大介 高畠
幸美 酒井
Original Assignee
株式会社日東
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 株式会社日東 filed Critical 株式会社日東
Priority to JP8664484U priority Critical patent/JPS613408U/en
Publication of JPS613408U publication Critical patent/JPS613408U/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図および第２図は本考案の圧電センサの一実施例を
示す縦断面図および部分斜視図、第３図および第４図は
第１図の圧電センサの使用例を示す縦断面図、第５図は
第３図および第４図におい一で得られる起電力の波形図
、第６図は本考案の他の使用例を示す縦断面図である。 １・・・ケース、２・・・段部、３・・・圧電振動子、
４・・・接着剤、５・・・圧電板、６・・・振動板、７
・：・リード線、８・・・検出子（検出針）、９・・・
絶縁被覆導線（ポリウレタン導線）、１１・・・ポリウ
レタン被覆層、１３・・・被測定液体。1 and 2 are longitudinal sectional views and partial perspective views showing one embodiment of the piezoelectric sensor of the present invention, and FIGS. 3 and 4 are longitudinal sectional views showing an example of use of the piezoelectric sensor of FIG. 1, FIG. 5 is a waveform diagram of the electromotive force obtained in conjunction with FIGS. 3 and 4, and FIG. 6 is a longitudinal sectional view showing another example of use of the present invention. 1... Case, 2... Step part, 3... Piezoelectric vibrator,
4... Adhesive, 5... Piezoelectric plate, 6... Vibration plate, 7
・:・Lead wire, 8...Detector (detection needle), 9...
Insulated conductor wire (polyurethane conductor wire), 11... polyurethane coating layer, 13... liquid to be measured.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）圧電板およびこーの圧電板に形成された電極を有
する圧電振動子と、この圧電振動子に立設されかつ被測
定物との接触時に前記圧電板に機械的変化を与える検出
子とを具備してなることを特徴とする圧電センサ。(1) A piezoelectric vibrator having a piezoelectric plate and an electrode formed on the piezoelectric plate, and a detector installed vertically on the piezoelectric vibrator and causing a mechanical change to the piezoelectric plate when it comes into contact with an object to be measured. A piezoelectric sensor comprising: （２）検出子が検出針である実用新案登録請求の範囲第
１項記載の圧電センサ。(2) The piezoelectric sensor according to claim 1, wherein the detector is a detection needle.
JP8664484U 1984-06-13 1984-06-13 piezoelectric sensor Pending JPS613408U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8664484U JPS613408U (en) 1984-06-13 1984-06-13 piezoelectric sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8664484U JPS613408U (en) 1984-06-13 1984-06-13 piezoelectric sensor

Publications (1)

Publication Number Publication Date
JPS613408U true JPS613408U (en) 1986-01-10

Family

ID=30638143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8664484U Pending JPS613408U (en) 1984-06-13 1984-06-13 piezoelectric sensor

Country Status (1)

Country Link
JP (1) JPS613408U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015190839A (en) * 2014-03-28 2015-11-02 一般社団法人日本建設機械施工協会 Method and system for inspecting concrete structure, and piezoelectric transducer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57132005A (en) * 1981-02-09 1982-08-16 Matsushita Electric Ind Co Ltd Detector for extent of movement

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57132005A (en) * 1981-02-09 1982-08-16 Matsushita Electric Ind Co Ltd Detector for extent of movement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015190839A (en) * 2014-03-28 2015-11-02 一般社団法人日本建設機械施工協会 Method and system for inspecting concrete structure, and piezoelectric transducer

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