JPH0187224U - - Google Patents

Info

Publication number
JPH0187224U
JPH0187224U JP18347987U JP18347987U JPH0187224U JP H0187224 U JPH0187224 U JP H0187224U JP 18347987 U JP18347987 U JP 18347987U JP 18347987 U JP18347987 U JP 18347987U JP H0187224 U JPH0187224 U JP H0187224U
Authority
JP
Japan
Prior art keywords
vibration
vibrating body
detection
signal
circuit
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
JP18347987U
Other languages
English (en)
Other versions
JPH0447632Y2 (ja
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 JP1987183479U priority Critical patent/JPH0447632Y2/ja
Publication of JPH0187224U publication Critical patent/JPH0187224U/ja
Application granted granted Critical
Publication of JPH0447632Y2 publication Critical patent/JPH0447632Y2/ja
Expired legal-status Critical Current

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Landscapes

  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例の工具折損検出器１
０の電気的構成を示すブロツク図、第２図は瓔珞
線検波回路１３の原理を示す電気回路図、第３図
は工具折損検出器１０の各構成部分の信号波形図
、第４図はハイパスフイルタ１４の原理を示す電
気回路図、第５図は工具折損検出器１０に適用さ
れる包絡線検波回路１３及びハイパスフイルタ１
４の具体的な電気回路図、第６図は従来の工具折
損検出器１の電気的構成を示すブロツク図、第７
図は包絡線検波回路４の具体的な電気回路図、第
８図は包絡線検波回路４の動作を示す波形図であ
る。 １０……工具折損検出器、１１……振動検出素
子、１３……包絡線検波回路、１４……ハイパス
フイルタ、１７……比較回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 振動体の振動波形を検出し、振動体の定常振動
    波形に重畳される異常振動波形を検波して振動体
    の異常振動状態を検出する振動体の異常振動状態
    検出器において、 振動体の振動を、その振動レベルの変化に応じ
    て電気信号に変換する振動検出素子と、 振動検出素子からの検出信号の包絡線を検波す
    る回路であつて、検出信号の立上がりまたは立下
    がりのいずれか一方に追従し、他方で緩やかに変
    化する信号波形を有する検波信号を出力する、そ
    のような包絡線検波回路と、 包絡線検波回路からの検波信号を高域濾波する
    ハイパスフイルタと、 ハイパスフイルタからの出力信号のレベルと、
    予め定めた基準レベルとを比較する比較回路とを
    備えたことを特徴とする振動体の異常振動状態検
    出器。
JP1987183479U 1987-11-30 1987-11-30 Expired JPH0447632Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987183479U JPH0447632Y2 (ja) 1987-11-30 1987-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987183479U JPH0447632Y2 (ja) 1987-11-30 1987-11-30

Publications (2)

Publication Number Publication Date
JPH0187224U true JPH0187224U (ja) 1989-06-08
JPH0447632Y2 JPH0447632Y2 (ja) 1992-11-10

Family

ID=31474900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987183479U Expired JPH0447632Y2 (ja) 1987-11-30 1987-11-30

Country Status (1)

Country Link
JP (1) JPH0447632Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015172599A (ja) * 2015-06-03 2015-10-01 Ntn株式会社 転がり軸受の異常診断装置および歯車の異常診断装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5227281A (en) * 1975-08-25 1977-03-01 Mitsubishi Electric Corp Semiconductor manufacturing process
JPS54118882A (en) * 1978-03-07 1979-09-14 Hitachi Shipbuilding Eng Co Device for detecting state of machine etc*
JPS5621085A (en) * 1979-07-30 1981-02-27 Seikosha Co Ltd Full electronic analog display watch
JPS56154628A (en) * 1980-05-02 1981-11-30 Chugoku Electric Power Co Ltd:The Device for detecting and processing vibration and loose part

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5227281A (en) * 1975-08-25 1977-03-01 Mitsubishi Electric Corp Semiconductor manufacturing process
JPS54118882A (en) * 1978-03-07 1979-09-14 Hitachi Shipbuilding Eng Co Device for detecting state of machine etc*
JPS5621085A (en) * 1979-07-30 1981-02-27 Seikosha Co Ltd Full electronic analog display watch
JPS56154628A (en) * 1980-05-02 1981-11-30 Chugoku Electric Power Co Ltd:The Device for detecting and processing vibration and loose part

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015172599A (ja) * 2015-06-03 2015-10-01 Ntn株式会社 転がり軸受の異常診断装置および歯車の異常診断装置

Also Published As

Publication number Publication date
JPH0447632Y2 (ja) 1992-11-10

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