JPH02149498U - - Google Patents
Info
- Publication number
- JPH02149498U JPH02149498U JP5787689U JP5787689U JPH02149498U JP H02149498 U JPH02149498 U JP H02149498U JP 5787689 U JP5787689 U JP 5787689U JP 5787689 U JP5787689 U JP 5787689U JP H02149498 U JPH02149498 U JP H02149498U
- Authority
- JP
- Japan
- Prior art keywords
- electrical equipment
- detects
- value
- positive
- values
- 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
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims 1
- 230000002123 temporal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Alarm Systems (AREA)
Description
第１図は本考案のアナログ信号変動センサ一実
施例の構成図、第２図は第１図の実施例の警報信
号発生動作の説明図、第３図は従来の監視用アナ
ログ信号による正常性判定の説明図である。
１……ＬＰＦ、２，１０……Ａ−Ｄコンバータ
、３，１１……減算器、４，１２……ラツチ回路
、５，１３……タイマー、６，１４……コンパレ
ータ、７……判定値設定器、８……ＯＲ回路、９
……レベル反転回路。
Fig. 1 is a block diagram of an embodiment of the analog signal fluctuation sensor of the present invention, Fig. 2 is an explanatory diagram of the alarm signal generation operation of the embodiment of Fig. 1, and Fig. 3 is a conventional monitoring analog signal for normality detection. It is an explanatory diagram of judgment. 1...LPF, 2,10...A-D converter, 3,11...Subtractor, 4,12...Latch circuit, 5,13...Timer, 6,14...Comparator, 7...Judgment value Setting device, 8...OR circuit, 9
...Level inversion circuit.
Claims (1)
ナログ信号の経時的変動における正および負のピ
ーク値を検出し、それぞれあらかじめ設定する一
定時間内における前記正のピーク値から下降値お
よび負のピーク値からの上昇値がそれぞれの変動
許容値を越えた場合に前記電気設備の動作状態の
異常を示す警報信号を発生する手段を備えてなる
ことを特徴とするアナログ信号変動センサ。 Detects the positive and negative peak values in the temporal fluctuations of analog signals for monitoring the operation of electrical equipment operated in continuous operation, and detects the falling values and negative peak values from the positive peak value within a preset period of time, respectively. An analog signal fluctuation sensor comprising: means for generating an alarm signal indicating an abnormality in the operating state of the electrical equipment when a rise value from the electrical equipment exceeds a respective fluctuation tolerance value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5787689U JPH02149498U (en) | 1989-05-18 | 1989-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5787689U JPH02149498U (en) | 1989-05-18 | 1989-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02149498U true JPH02149498U (en) | 1990-12-20 |
Family
ID=31582981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5787689U Pending JPH02149498U (en) | 1989-05-18 | 1989-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02149498U (en) |
-
1989
- 1989-05-18 JP JP5787689U patent/JPH02149498U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2194698A1 (en) | Monitor for load bearing device | |
| JPH0251504U (en) | ||
| JPH01148831U (en) | ||
| JPH0338990U (en) | ||
| JPS648671U (en) | ||
| JPS62203731U (en) | ||
| JPS62201897U (en) | ||
| JPH0447393U (en) | ||
| JPS60104995U (en) | alarm system | |
| JPH01144983U (en) | ||
| JPH0466694U (en) | ||
| JPS6213992U (en) | ||
| JPS6192043U (en) | ||
| JPH0368078U (en) | ||
| JPS63135237U (en) | ||
| JPH0184148U (en) | ||
| JPS62105501U (en) | ||
| JPS6229725U (en) | ||
| JPS61182825U (en) | ||
| JPS62203171U (en) | ||
| JPS63192828U (en) | ||
| JPS62139758U (en) | ||
| JPH01164773U (en) | ||
| JPS6320072U (en) | ||
| JPS62121527U (en) |