JPH043322U - - Google Patents
Info
- Publication number
- JPH043322U JPH043322U JP4444090U JP4444090U JPH043322U JP H043322 U JPH043322 U JP H043322U JP 4444090 U JP4444090 U JP 4444090U JP 4444090 U JP4444090 U JP 4444090U JP H043322 U JPH043322 U JP H043322U
- Authority
- JP
- Japan
- Prior art keywords
- waveform
- data
- vibration
- average
- outputting
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第1図〜第3図はこの考案の一実施例を示すも
ので、第1図は構成を示すブロツク図、第2図、
第3図は波形平均データMに基づくスペクトル図
、第4図〜第6図は従来の異常検出装置を示すも
ので、第4図は構成を示すブロツク図、第5図、
第6図は平均化波形を示す波形図である。
図において、1……振動検出器、2……A/D
変換器、4……波形記憶装置、5……平均演算装
置、11……高速フーリエ変換演算装置、12…
…CRTである。なお、各図中同一符号は相当部
分を示す。
Figures 1 to 3 show an embodiment of this invention, with Figure 1 being a block diagram showing the configuration, Figure 2,
Fig. 3 is a spectrum diagram based on waveform average data M, Figs. 4 to 6 show a conventional abnormality detection device, Fig. 4 is a block diagram showing the configuration, Fig. 5,
FIG. 6 is a waveform diagram showing an averaged waveform. In the figure, 1... vibration detector, 2... A/D
Converter, 4... Waveform storage device, 5... Average calculation device, 11... Fast Fourier transform calculation device, 12...
...It is a CRT. Note that the same reference numerals in each figure indicate corresponding parts.
Claims (1)
た振動信号を発する振動検出手段、上記振動信号
をデイジタル信号に変換して上記交流の1サイク
ルの時間分のデータを1個の波形データとして記
憶する記憶手段、複数個の上記波形データの平均
値を演算して波形平均データとして出力する波形
平均データ演算手段、上記波形平均データに基づ
き所定の周波数成分の振幅値を演算して出力する
解析手段を備えた電気機器の異常検出装置。 Vibration detection means that emits a vibration signal in response to the vibration of a container containing a charged part of AC voltage, converts the vibration signal into a digital signal, and stores data for one cycle of the AC as one waveform data. storage means for calculating the average value of the plurality of waveform data and outputting the average value as waveform average data; analysis means for calculating and outputting the amplitude value of a predetermined frequency component based on the waveform average data. Anomaly detection device for electrical equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4444090U JPH043322U (en) | 1990-04-25 | 1990-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4444090U JPH043322U (en) | 1990-04-25 | 1990-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH043322U true JPH043322U (en) | 1992-01-13 |
Family
ID=31557746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4444090U Pending JPH043322U (en) | 1990-04-25 | 1990-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH043322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022106583A (en) * | 2021-01-07 | 2022-07-20 | 株式会社Kelk | Analytical equipment, analysis system and analysis method |
-
1990
- 1990-04-25 JP JP4444090U patent/JPH043322U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022106583A (en) * | 2021-01-07 | 2022-07-20 | 株式会社Kelk | Analytical equipment, analysis system and analysis method |
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