JPS6255131U - - Google Patents

Info

Publication number
JPS6255131U
JPS6255131U JP14673885U JP14673885U JPS6255131U JP S6255131 U JPS6255131 U JP S6255131U JP 14673885 U JP14673885 U JP 14673885U JP 14673885 U JP14673885 U JP 14673885U JP S6255131 U JPS6255131 U JP S6255131U
Authority
JP
Japan
Prior art keywords
detecting
abnormal sound
background noise
measuring
detection
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
JP14673885U
Other languages
Japanese (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 JP14673885U priority Critical patent/JPS6255131U/ja
Publication of JPS6255131U publication Critical patent/JPS6255131U/ja
Pending legal-status Critical Current

Links

Landscapes

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

Description

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

第1図は本考案に係る検出装置の実施例を示す
ブロツク図、第2図、第3図はそれぞれ第1図に
係る装置の動作を説明するための暗騒音及び防音
箱内での音圧レベルを示す図、第4図は、第1図
ににおけるA/D変換器のデータ取込みのタイミ
ングを示す図である。 1……測定用マイク、5〜7……測定用フイル
タ、8……アナログスイツチ、9〜11……測定
用整流回路、12〜14……測定用Log増幅器
、18……A/D変換器、19……I/Oポート
、20……cpu、21……監視用マイク、25
〜27……監視用フイルタ、28……アナログス
イツチ、29〜31……監視用整流回路、32〜
34……監視用Log増幅器、42……メータ指
示用サンプルホールド回路、43……メータ切換
用エンコーダー、44……指示計、45……メー
タ切替用スイツチ、46……OG,NG判定用表
示器。
FIG. 1 is a block diagram showing an embodiment of the detection device according to the present invention, and FIGS. 2 and 3 are background noise and sound pressure inside a soundproof box, respectively, to explain the operation of the device according to FIG. FIG. 4, a diagram showing the levels, is a diagram showing the timing of data acquisition by the A/D converter in FIG. 1. 1...Measurement microphone, 5-7...Measurement filter, 8...Analog switch, 9-11...Measurement rectifier circuit, 12-14...Measurement Log amplifier, 18...A/D converter , 19...I/O port, 20...cpu, 21...monitoring microphone, 25
~27...Monitoring filter, 28...Analog switch, 29~31...Monitoring rectifier circuit, 32~
34... Log amplifier for monitoring, 42... Sample hold circuit for meter indication, 43... Encoder for meter switching, 44... Indicator, 45... Switch for meter switching, 46... Display for OG, NG judgment .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 微小異常音を検出する異常音検出手段と、暗騒
音を検出する暗騒音検出手段と、前記暗騒音検出
手段の検出出力を所定値と比較する比較手段と、
前記異常音検出手段の検出手段により微小異常音
を測定する測定手段と、前記比較手段からの比較
結果により、測定手段の動作を制御する制御手段
とを備えたことを特徴とする微小異常音検出装置
abnormal sound detection means for detecting minute abnormal sounds, background noise detection means for detecting background noise, and comparison means for comparing the detection output of the background noise detection means with a predetermined value;
A minute abnormal sound detection system comprising: a measuring means for measuring a minute abnormal sound by the detecting means of the abnormal sound detecting means; and a control means for controlling the operation of the measuring means based on the comparison result from the comparing means. Device.
JP14673885U 1985-09-27 1985-09-27 Pending JPS6255131U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14673885U JPS6255131U (en) 1985-09-27 1985-09-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14673885U JPS6255131U (en) 1985-09-27 1985-09-27

Publications (1)

Publication Number Publication Date
JPS6255131U true JPS6255131U (en) 1987-04-06

Family

ID=31059480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14673885U Pending JPS6255131U (en) 1985-09-27 1985-09-27

Country Status (1)

Country Link
JP (1) JPS6255131U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019035714A (en) * 2017-07-05 2019-03-07 上銀科技股▲フン▼有限公司 Vibration detection method for machine tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019035714A (en) * 2017-07-05 2019-03-07 上銀科技股▲フン▼有限公司 Vibration detection method for machine tool

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