JPH0283430U - - Google Patents

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Publication number
JPH0283430U
JPH0283430U JP16309588U JP16309588U JPH0283430U JP H0283430 U JPH0283430 U JP H0283430U JP 16309588 U JP16309588 U JP 16309588U JP 16309588 U JP16309588 U JP 16309588U JP H0283430 U JPH0283430 U JP H0283430U
Authority
JP
Japan
Prior art keywords
vibration sensor
resonance
base body
case body
sensor according
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
JP16309588U
Other languages
Japanese (ja)
Other versions
JPH07901Y2 (en
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 filed Critical
Priority to JP1988163095U priority Critical patent/JPH07901Y2/en
Publication of JPH0283430U publication Critical patent/JPH0283430U/ja
Application granted granted Critical
Publication of JPH07901Y2 publication Critical patent/JPH07901Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Description

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

第１図は本考案の振動センサの一実施例を示す
図であり、同図ａは同上の断面図であり、同図ｂ
は同上の凹溝（共振緩衝手段）の変形例を示す拡
大断面図、第２図は同上の周波数応答特性を示す
グラフ、第３図は本考案による振動センサの他の
実施例を示す断面図、第４図は従来の振動センサ
を示す断面図、第５図は同上の変形例を示す断面
図、第６図はケース体を結合する前の振動センサ
の周波数応答特性を示すグラフ、第７図は従来の
振動センサの周波数応答特性を示すグラフである
。 １……基体、１ｂ……結合用凹溝（結合機構部
）、１ｃ……突部（共振緩衝手段）、１ｄ……凹
溝（共振緩衝手段）、１ｅ……凸端部（結合機構
部）、２……ネジ部（取り付け部材）、３……樹
脂ケース（ケース体）、３ａ……肉厚部（結合機
構部）、６……圧電素子（信号変換部）、１１…
…端子（信号導出部）、２０……振動センサ。 FIG. 1 is a diagram showing an embodiment of the vibration sensor of the present invention, and FIG.
2 is an enlarged sectional view showing a modified example of the groove (resonance buffering means) same as above, FIG. 2 is a graph showing the frequency response characteristic of the same as above, and FIG. , FIG. 4 is a sectional view showing a conventional vibration sensor, FIG. 5 is a sectional view showing a modified example of the same, FIG. 6 is a graph showing the frequency response characteristics of the vibration sensor before the case body is connected, and FIG. The figure is a graph showing the frequency response characteristics of a conventional vibration sensor. DESCRIPTION OF SYMBOLS 1... Base, 1b... Coupling groove (coupling mechanism part), 1c... Protrusion (resonance buffering means), 1d... Concave groove (resonance buffering means), 1e... Convex end (coupling mechanism part) ), 2... Threaded part (attachment member), 3... Resin case (case body), 3a... Thick part (coupling mechanism part), 6... Piezoelectric element (signal conversion part), 11...
...terminal (signal derivation section), 20...vibration sensor.

Claims (1)

【実用新案登録請求の範囲】 (1) 測定対象物に取付け得る構造を有する基体
と前記基体に固定され前記測定対象物に生じる振
動を電気信号に変換する信号変換部と、前記電気
信号を外部に導出可能な信号導出部を有するケー
ス体とより成り、前記基体と前記ケース体とにわ
たつて形成された結合機構部を有する振動センサ
ーにおいて、前記結合機構部が前記ケース体の共
振の伝達を低減する共振緩衝手段を有することを
特徴とする振動センサ。 (2) 前記共振緩衝手段は、前記基体に形成され
た凹凸部である請求項１記載の振動センサ。 (3) 前記共振緩衝手段は、前記基体に形成され
た幅広凹溝部である請求項１記載の振動センサ。 (4) 前記振動センサは、自動車用エンジン等の
内燃機関の振動検出を行うノツキングセンサであ
る請求項１，２又は３記載の振動センサ。[Claims for Utility Model Registration] (1) A base body having a structure that can be attached to an object to be measured; a signal converter fixed to the base body that converts vibrations generated in the object to be measured into electrical signals; A vibration sensor comprising a case body having a signal derivation part capable of being derived to a signal, and a coupling mechanism part formed across the base body and the case body, wherein the coupling mechanism part transmits resonance of the case body. A vibration sensor characterized by having a resonance damping means for reducing resonance. (2) The vibration sensor according to claim 1, wherein the resonance buffer means is an uneven portion formed on the base body. (3) The vibration sensor according to claim 1, wherein the resonance buffer means is a wide groove formed in the base body. (4) The vibration sensor according to claim 1, 2 or 3, wherein the vibration sensor is a knocking sensor that detects vibrations of an internal combustion engine such as an automobile engine.
JP1988163095U 1988-12-15 1988-12-15 Vibration sensor Expired - Lifetime JPH07901Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988163095U JPH07901Y2 (en) 1988-12-15 1988-12-15 Vibration sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988163095U JPH07901Y2 (en) 1988-12-15 1988-12-15 Vibration sensor

Publications (2)

Publication Number Publication Date
JPH0283430U true JPH0283430U (en) 1990-06-28
JPH07901Y2 JPH07901Y2 (en) 1995-01-11

Family

ID=31447512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988163095U Expired - Lifetime JPH07901Y2 (en) 1988-12-15 1988-12-15 Vibration sensor

Country Status (1)

Country Link
JP (1) JPH07901Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5989529A (en) * 1982-11-15 1984-05-23 三菱電機株式会社 Power limit operation continuing device
JP2014178194A (en) * 2013-03-14 2014-09-25 Nec Corp Vibration detecting device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58213256A (en) * 1982-06-07 1983-12-12 Fuji Ceramic:Kk Acceleration sensor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58213256A (en) * 1982-06-07 1983-12-12 Fuji Ceramic:Kk Acceleration sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5989529A (en) * 1982-11-15 1984-05-23 三菱電機株式会社 Power limit operation continuing device
JP2014178194A (en) * 2013-03-14 2014-09-25 Nec Corp Vibration detecting device

Also Published As

Publication number Publication date
JPH07901Y2 (en) 1995-01-11

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