JPS6049431U - Notking sensor - Google Patents

Notking sensor

Info

Publication number
JPS6049431U
JPS6049431U JP14307583U JP14307583U JPS6049431U JP S6049431 U JPS6049431 U JP S6049431U JP 14307583 U JP14307583 U JP 14307583U JP 14307583 U JP14307583 U JP 14307583U JP S6049431 U JPS6049431 U JP S6049431U
Authority
JP
Japan
Prior art keywords
piezoelectric element
sensor
notking
knocking sensor
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.)
Pending
Application number
JP14307583U
Other languages
Japanese (ja)
Inventor
幸秀 橋口
Original Assignee
トヨタ自動車株式会社
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 トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP14307583U priority Critical patent/JPS6049431U/en
Publication of JPS6049431U publication Critical patent/JPS6049431U/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • 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図は従来のノッキングセンサによる出力特性を示す
グラフ、第２図は本考案の一実施例を示す縦断面図、第
３図はその圧電素子周辺部分の状態を示す斜視図、第４
図は上記実施例のノッキングセンサの出力特性を示すグ
ラフを表わす。　　　　−１・・・ノッキングセンサ、
１０・・・振動板、１１・・・圧電素子。Fig. 1 is a graph showing the output characteristics of a conventional knocking sensor, Fig. 2 is a longitudinal sectional view showing an embodiment of the present invention, Fig. 3 is a perspective view showing the state of the area around the piezoelectric element, and Fig. 4 is a graph showing the output characteristics of a conventional knocking sensor.
The figure represents a graph showing the output characteristics of the knocking sensor of the above embodiment. -1...knocking sensor,
10... Vibration plate, 11... Piezoelectric element.

Claims (1)

【実用新案登録請求の範囲】 一円板状の圧電素子及び該圧電素子と積層している円板
状の振動板を備え、上記圧電素子にて内燃機関の振動を
電気信号として検出するノッキングセンサにおいて、 圧電素子又は振動板の内、少なくとも一方がその中心以
外の部分で固定されていることを特徴とするノッキング
センサ。[Claims for Utility Model Registration] A knocking sensor that includes a disc-shaped piezoelectric element and a disc-shaped diaphragm laminated with the piezoelectric element, and detects vibrations of an internal combustion engine as an electrical signal using the piezoelectric element. A knocking sensor characterized in that at least one of the piezoelectric element and the diaphragm is fixed at a portion other than the center thereof.
JP14307583U 1983-09-14 1983-09-14 Notking sensor Pending JPS6049431U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14307583U JPS6049431U (en) 1983-09-14 1983-09-14 Notking sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14307583U JPS6049431U (en) 1983-09-14 1983-09-14 Notking sensor

Publications (1)

Publication Number Publication Date
JPS6049431U true JPS6049431U (en) 1985-04-06

Family

ID=30319479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14307583U Pending JPS6049431U (en) 1983-09-14 1983-09-14 Notking sensor

Country Status (1)

Country Link
JP (1) JPS6049431U (en)

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