JPS59115322U - Pinching type piezoelectric sensor - Google Patents

Pinching type piezoelectric sensor

Info

Publication number
JPS59115322U
JPS59115322U JP926883U JP926883U JPS59115322U JP S59115322 U JPS59115322 U JP S59115322U JP 926883 U JP926883 U JP 926883U JP 926883 U JP926883 U JP 926883U JP S59115322 U JPS59115322 U JP S59115322U
Authority
JP
Japan
Prior art keywords
piezoelectric sensor
type piezoelectric
buffer plate
pinching type
piezoelectric element
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.)
Granted
Application number
JP926883U
Other languages
Japanese (ja)
Other versions
JPH0323544Y2 (en
Inventor
河尻　章吾
横井　真
修二 山下
Original Assignee
日本特殊陶業株式会社
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 日本特殊陶業株式会社 filed Critical 日本特殊陶業株式会社
Priority to JP926883U priority Critical patent/JPS59115322U/en
Publication of JPS59115322U publication Critical patent/JPS59115322U/en
Application granted granted Critical
Publication of JPH0323544Y2 publication Critical patent/JPH0323544Y2/ja
Granted legal-status Critical Current

Links

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  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (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図は、従来の圧電センサーを示す縦断側面図、第２
図は本考案の第一実施例の縦断側面図、第３．４図は本
考案の第二実施例を示し、第３図は縦断側面図、第４図
は半分を第３図Ａ−Ａ線で横断して示す平面図である。 １；圧電素子、５；緩衝板、１０；筐体、１７；緩衝板
、１９；圧電積層体、２１；受圧体。Figure 1 is a vertical side view showing a conventional piezoelectric sensor;
The figure shows a longitudinal sectional side view of the first embodiment of the present invention, Fig. 3.4 shows the second embodiment of the invention, Fig. 3 shows a longitudinal sectional side view, and Fig. 4 shows a half of the Fig. 3 A-A. FIG. 1; Piezoelectric element, 5; Buffer plate, 10; Housing, 17; Buffer plate, 19; Piezoelectric laminate, 21; Pressure receiving body.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）内燃機関のシリンダー壁等の振動体表面に螺着す
るボルト、点火栓等の螺装体の軸部に外嵌する環状形を
なし、かつ前記螺装体の挟圧部に圧着される圧電素子を
備えてなる圧電センサーにおいて前記圧電素子の電極面
に低膨張合金からなる緩衝板を当接したことを特徴とす
る圧電センサー。(1) A bolt that is screwed onto the surface of a vibrating body such as a cylinder wall of an internal combustion engine, or an annular shape that fits onto the shaft of a threaded body such as a spark plug, and which is crimped to the clamping part of the screwed body. 1. A piezoelectric sensor comprising a piezoelectric element, characterized in that a buffer plate made of a low expansion alloy is brought into contact with an electrode surface of the piezoelectric element. （２）緩衝板をインバーによって形成したことを特徴と
する実用新案登録請求の範囲第（１）項記載の圧電セン
サー。(2) The piezoelectric sensor according to claim (1), wherein the buffer plate is made of invar.
JP926883U 1983-01-25 1983-01-25 Pinching type piezoelectric sensor Granted JPS59115322U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP926883U JPS59115322U (en) 1983-01-25 1983-01-25 Pinching type piezoelectric sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP926883U JPS59115322U (en) 1983-01-25 1983-01-25 Pinching type piezoelectric sensor

Publications (2)

Publication Number Publication Date
JPS59115322U true JPS59115322U (en) 1984-08-03
JPH0323544Y2 JPH0323544Y2 (en) 1991-05-22

Family

ID=30140736

Family Applications (1)

Application Number Title Priority Date Filing Date
JP926883U Granted JPS59115322U (en) 1983-01-25 1983-01-25 Pinching type piezoelectric sensor

Country Status (1)

Country Link
JP (1) JPS59115322U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6455430U (en) * 1987-10-01 1989-04-05

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5772020A (en) * 1980-10-23 1982-05-06 Japan Electronic Control Syst Co Ltd Vibration detector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5772020A (en) * 1980-10-23 1982-05-06 Japan Electronic Control Syst Co Ltd Vibration detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6455430U (en) * 1987-10-01 1989-04-05

Also Published As

Publication number Publication date
JPH0323544Y2 (en) 1991-05-22

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