JPS5826631U - vibration sensor - Google Patents

vibration sensor

Info

Publication number
JPS5826631U
JPS5826631U JP12042481U JP12042481U JPS5826631U JP S5826631 U JPS5826631 U JP S5826631U JP 12042481 U JP12042481 U JP 12042481U JP 12042481 U JP12042481 U JP 12042481U JP S5826631 U JPS5826631 U JP S5826631U
Authority
JP
Japan
Prior art keywords
vibration sensor
piezoelectric element
vibration
impedance
detection system
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
JP12042481U
Other languages
Japanese (ja)
Inventor
悟 小紫
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP12042481U priority Critical patent/JPS5826631U/en
Publication of JPS5826631U publication Critical patent/JPS5826631U/en
Pending legal-status Critical Current

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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図は従来の振動センサの振動検出回路図を示す。第
２図は従来の他の振動センサの振動検出回路図を示す。 第３図はこの考案の一実施例の振動センサの振動検出回
路図を示す。 図において、１は圧電セラミック、２は出力端子、３は
信号線、４は入力端子、５〜７は抵抗を示す。FIG. 1 shows a vibration detection circuit diagram of a conventional vibration sensor. FIG. 2 shows a vibration detection circuit diagram of another conventional vibration sensor. FIG. 3 shows a vibration detection circuit diagram of a vibration sensor according to an embodiment of this invention. In the figure, 1 is a piezoelectric ceramic, 2 is an output terminal, 3 is a signal line, 4 is an input terminal, and 5 to 7 are resistors.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）振動検出系に装着され、前記振動検出系の振動を
圧電素子で前記振動を電気信号に変換する振動センサに
おいて、 前記圧電素子の電極間に並列にインピーダンス素子を接
続することによって前記インピーダー　ンス素子の電圧
降下を利用して等測的に該圧電素子の直流インピーダン
スを低くしたことを特徴とする、振動センサ。(1) In a vibration sensor that is attached to a vibration detection system and converts the vibration of the vibration detection system into an electrical signal using a piezoelectric element, the impedance element is connected in parallel between the electrodes of the piezoelectric element. A vibration sensor characterized in that the direct current impedance of the piezoelectric element is reduced isometrically by utilizing the voltage drop of the piezoelectric element. （２）前記インピーダンス素子は、抵抗体を含む、実用
新案登録請求の範囲第（１）項記載の振動センサ。(2) The vibration sensor according to claim (1), wherein the impedance element includes a resistor.
JP12042481U 1981-08-13 1981-08-13 vibration sensor Pending JPS5826631U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12042481U JPS5826631U (en) 1981-08-13 1981-08-13 vibration sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12042481U JPS5826631U (en) 1981-08-13 1981-08-13 vibration sensor

Publications (1)

Publication Number Publication Date
JPS5826631U true JPS5826631U (en) 1983-02-21

Family

ID=29914426

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12042481U Pending JPS5826631U (en) 1981-08-13 1981-08-13 vibration sensor

Country Status (1)

Country Link
JP (1) JPS5826631U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011169783A (en) * 2010-02-19 2011-09-01 Honda Motor Co Ltd Output circuit of charge change type sensor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5284781A (en) * 1975-12-31 1977-07-14 Fujitsu Ltd Fault detector for sensing system using piezoelectric sensors

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5284781A (en) * 1975-12-31 1977-07-14 Fujitsu Ltd Fault detector for sensing system using piezoelectric sensors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011169783A (en) * 2010-02-19 2011-09-01 Honda Motor Co Ltd Output circuit of charge change type sensor
US8508217B2 (en) 2010-02-19 2013-08-13 Honda Motor Co., Ltd. Output circuit of charge mode sensor

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