JP2019120628A - 振動信号変換器 - Google Patents
振動信号変換器 Download PDFInfo
- Publication number
- JP2019120628A JP2019120628A JP2018001655A JP2018001655A JP2019120628A JP 2019120628 A JP2019120628 A JP 2019120628A JP 2018001655 A JP2018001655 A JP 2018001655A JP 2018001655 A JP2018001655 A JP 2018001655A JP 2019120628 A JP2019120628 A JP 2019120628A
- Authority
- JP
- Japan
- Prior art keywords
- vibration
- converter
- signal
- vibration signal
- integrator
- 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
Links
- 230000001133 acceleration Effects 0.000 claims abstract description 14
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 238000003745 diagnosis Methods 0.000 abstract description 7
- 230000000737 periodic effect Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000001845 vibrational spectrum Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
ここで、前記演算部は、AD変換器を介して前記入力部および前記積分器と接続し、前記演算部は、前記AD変換器により算出する振動加速度の実効値と前記積分器と前記AD変換器により算出する振動加速度の実効値との比に、1/(2π*それぞれの経路における増幅率の比)を乗じることで前記測定対象回転機の振動周波数を算出することができる。
第1AD変換器120出力の実効値/第2AD変換器140出力の実効値=Kω
が成り立つ。
110…入力部
120…第1AD変換器
130…積分器
140…第2AD変換器
150…演算部
160…電池
170…信号切替部
200…振動センサ
Claims (2)
- 測定対象回転機の振動加速度を示す振動信号を入力する入力部と、
前記振動信号を積分する積分器と、
前記振動信号の実効値と前記積分器の出力信号の実効値との比に基づいて、前記測定対象回転機の振動周波数を算出する演算部を備えたことを特徴とする振動信号変換器。 - 前記演算部は、AD変換器を介して前記入力部および前記積分器と接続し、
前記演算部は、前記AD変換器により算出する振動加速度の実効値と前記積分器と前記AD変換器により算出する振動加速度の実効値との比に、1/(2π*それぞれの経路における増幅率の比)を乗じることで前記測定対象回転機の振動周波数を算出することを特徴とする請求項1に記載の振動信号変換器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018001655A JP7102651B2 (ja) | 2018-01-10 | 2018-01-10 | 振動信号変換器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018001655A JP7102651B2 (ja) | 2018-01-10 | 2018-01-10 | 振動信号変換器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019120628A true JP2019120628A (ja) | 2019-07-22 |
JP7102651B2 JP7102651B2 (ja) | 2022-07-20 |
Family
ID=67307407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018001655A Active JP7102651B2 (ja) | 2018-01-10 | 2018-01-10 | 振動信号変換器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP7102651B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4325882A1 (en) | 2022-08-18 | 2024-02-21 | Yokogawa Electric Corporation | Signal processing device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4608867A (en) * | 1984-03-09 | 1986-09-02 | I E P "N. Belopitov" | Method for the dynamic balancing of rotating machines in assembled condition |
JPH0442023A (ja) * | 1990-06-07 | 1992-02-12 | Shinko Electric Co Ltd | 振動機の振巾検出方法 |
JP2000193517A (ja) * | 1998-12-24 | 2000-07-14 | Yanmar Diesel Engine Co Ltd | 振動モニタ装置 |
JP2007192828A (ja) * | 2003-07-29 | 2007-08-02 | Nsk Ltd | 異常診断装置及びこれを有する転がり軸受装置並びに異常診断方法 |
JP2009300401A (ja) * | 2008-06-17 | 2009-12-24 | Toshiba Corp | プラント監視システムおよびプラント監視方法 |
JP2010085373A (ja) * | 2008-10-02 | 2010-04-15 | Takenaka Komuten Co Ltd | 振動数検出装置、方法、プログラム及び制振装置 |
-
2018
- 2018-01-10 JP JP2018001655A patent/JP7102651B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4608867A (en) * | 1984-03-09 | 1986-09-02 | I E P "N. Belopitov" | Method for the dynamic balancing of rotating machines in assembled condition |
JPH0442023A (ja) * | 1990-06-07 | 1992-02-12 | Shinko Electric Co Ltd | 振動機の振巾検出方法 |
JP2000193517A (ja) * | 1998-12-24 | 2000-07-14 | Yanmar Diesel Engine Co Ltd | 振動モニタ装置 |
JP2007192828A (ja) * | 2003-07-29 | 2007-08-02 | Nsk Ltd | 異常診断装置及びこれを有する転がり軸受装置並びに異常診断方法 |
JP2009300401A (ja) * | 2008-06-17 | 2009-12-24 | Toshiba Corp | プラント監視システムおよびプラント監視方法 |
JP2010085373A (ja) * | 2008-10-02 | 2010-04-15 | Takenaka Komuten Co Ltd | 振動数検出装置、方法、プログラム及び制振装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4325882A1 (en) | 2022-08-18 | 2024-02-21 | Yokogawa Electric Corporation | Signal processing device |
Also Published As
Publication number | Publication date |
---|---|
JP7102651B2 (ja) | 2022-07-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9453760B2 (en) | Device and method for evaluation of vibrations | |
JP3551033B2 (ja) | 軸受剛性評価装置および方法 | |
Xiang et al. | Torsional vibration measurements on rotating shaft system using laser doppler vibrometer | |
WO2015156350A1 (ja) | 入出力装置およびステアリング測定装置 | |
CN105917207A (zh) | 提供包括转动机械部件的机械结构的状态评估的方法及装置 | |
KR101314151B1 (ko) | 주기적 회전 진동을 이용한 6축 진동 센서의 교정 방법 및 장치 | |
RU121070U1 (ru) | Стенд для вибродиагностики упругой системы станка | |
JP2009115537A (ja) | 振動測定方法 | |
US20180128674A1 (en) | Mode-matching of mems resonators | |
EP3451102B1 (en) | Method and apparatus for identifying gear tooth numbers in a gearbox | |
JP5218614B2 (ja) | 異常診断装置、回転装置、鉄道車両、自動車及び異常診断方法 | |
JP7102651B2 (ja) | 振動信号変換器 | |
JP7103133B2 (ja) | 転がり軸受の異常診断方法及び異常診断装置、センサユニット、並びに転がり軸受の異常診断システム | |
KR101012097B1 (ko) | 비접촉식 센서를 이용한 선박용 디젤엔진 크랭크축의 종방향 진동 측정장치 및 이를 이용한 진동 측정방법 | |
Shah et al. | 8 channel vibration monitoring and analyzing system using LabVIEW | |
JP2013024771A (ja) | 振動計及び振動計測装置 | |
JPH11352020A (ja) | ダンパー組立体の動的捩り特性の計測装置及びダンパー組立体の動的捩り特性の計測方法 | |
JP2007248061A (ja) | 異常診断装置及び異常診断方法 | |
Meroño et al. | Measurement techniques of torsional vibration in rotating shafts | |
CN111486943B (zh) | 工业机器人振动状态分析方法、系统、装置及可读存储介质 | |
KR101814793B1 (ko) | 아날로그-디지털 하이브리드 실시간 진동 측정 장치 | |
RU105026U1 (ru) | Система мониторинга вибрационных параметров | |
RU162954U1 (ru) | Устройство для измерения деформации кручения | |
JP2016070767A (ja) | 回転機械の自動振動診断装置 | |
JP2003130762A (ja) | 転がり軸受の評価方法及び転がり軸受の評価装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20201216 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20211027 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20211102 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20211227 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220204 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220325 |
|
TRDD | Decision of grant or rejection written | ||
RD03 | Notification of appointment of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7423 Effective date: 20220530 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20220531 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20220613 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7102651 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |