JPS6184638U - - Google Patents
Info
- Publication number
- JPS6184638U JPS6184638U JP16750084U JP16750084U JPS6184638U JP S6184638 U JPS6184638 U JP S6184638U JP 16750084 U JP16750084 U JP 16750084U JP 16750084 U JP16750084 U JP 16750084U JP S6184638 U JPS6184638 U JP S6184638U
- Authority
- JP
- Japan
- Prior art keywords
- current transformer
- trip signal
- motor
- display element
- response
- 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 2
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
図面は本考案の一実施例を示すもの、第１図は
全体のブロツク図、第２図は作用説明用のタイム
チヤートである。
図中、１は変流器、２〜４は第１〜第３の検出
手段、２１は発光ダイオード（表示素子）、２３
はフオトカプラ、２９，３０はケーブル、３３は
発光ダイオード（外部表示素子）を示す。
The drawings show one embodiment of the present invention, FIG. 1 is an overall block diagram, and FIG. 2 is a time chart for explaining the operation. In the figure, 1 is a current transformer, 2 to 4 are first to third detection means, 21 is a light emitting diode (display element), and 23 is a current transformer.
2 is a photocoupler, 29 and 30 are cables, and 33 is a light emitting diode (external display element).
Claims (1)
流器の出力に基づいて前記モータの通電路を監視
するように設けられその通電路で異常状態が所定
時間以上継続したときにトリツプ信号を出力する
検出手段と、前記トリツプ信号の出力に応じて駆
動される表示素子と、この表示素子の駆動に応じ
て動作される少なくとも１個のフオトカプラを備
えたことを特徴とするモータ保護継電器。 A current transformer is provided to detect the load current of the motor, and a current transformer is provided to monitor the energized path of the motor based on the output of the current transformer, and a trip signal is generated when an abnormal condition continues for a predetermined time or more in the energized path. A motor protection relay comprising: a detection means for outputting the trip signal; a display element driven in response to the output of the trip signal; and at least one photocoupler operated in response to the drive of the display element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16750084U JPS6184638U (en) | 1984-11-06 | 1984-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16750084U JPS6184638U (en) | 1984-11-06 | 1984-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6184638U true JPS6184638U (en) | 1986-06-04 |
Family
ID=30725293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16750084U Pending JPS6184638U (en) | 1984-11-06 | 1984-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6184638U (en) |
-
1984
- 1984-11-06 JP JP16750084U patent/JPS6184638U/ja active Pending
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