JPS5916046U - protective relay - Google Patents
protective relayInfo
- Publication number
- JPS5916046U JPS5916046U JP11191282U JP11191282U JPS5916046U JP S5916046 U JPS5916046 U JP S5916046U JP 11191282 U JP11191282 U JP 11191282U JP 11191282 U JP11191282 U JP 11191282U JP S5916046 U JPS5916046 U JP S5916046U
- Authority
- JP
- Japan
- Prior art keywords
- protective relay
- indicator lamp
- circuit
- signal
- output circuit
- 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
Landscapes
- Audible And Visible Signals (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来装置を示す図、第２図は表示モードを示す
図、第３図〜第６図はこの考案の一実施例を示す図であ
る。
図において１は変流器、２は過電流検出回路、３は欠相
検出回路、４は反相検出回路、５〜７は保持回路、８．
１４はオアゲート、９は出力回路、１０は基準クロック
発生回路、１１は分周回路、１２．１３はアンドゲート
、１５は抵抗、１６は表示素子、２０はモータ保護継電
器本体、３０は表示用透明体である。
ａ
し −−
ｃ −↑
トリラフ６
才２図
矛４図FIG. 1 shows a conventional device, FIG. 2 shows a display mode, and FIGS. 3 to 6 show an embodiment of this invention. In the figure, 1 is a current transformer, 2 is an overcurrent detection circuit, 3 is an open phase detection circuit, 4 is an antiphase detection circuit, 5 to 7 are holding circuits, and 8.
14 is an OR gate, 9 is an output circuit, 10 is a reference clock generation circuit, 11 is a frequency dividing circuit, 12.13 is an AND gate, 15 is a resistor, 16 is a display element, 20 is a motor protection relay body, 30 is a transparent display It is the body. a shi -- c -↑ Trilough 6 2nd figure spear 4th figure
Claims (1)
、上記負荷の過電流、欠相反相の各運転異常を各々検出
する各検出回路と、これらの各検出回路による異常の検
出信号によって作動しトリップ信号を発生して上記出力
回路を駆動する回路と、これらの各トリップ状態をそれ
ぞれ表示する少なくとも１個の表示ランプと、この表示
ランプの光信号だけを外部に引き出し表示可能とする表
示用透明体とを備えた保護継電器。An output circuit performs a protective operation in response to an abnormal load operation, and each detection circuit detects each operation abnormality such as overcurrent and open phase of the load, and is activated by the abnormality detection signal from each of these detection circuits. a circuit that generates a trip signal to drive the output circuit, at least one indicator lamp that displays each of these trip states, and a display that allows only the optical signal of this indicator lamp to be drawn out and displayed. Protective relay with transparent body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11191282U JPS5916046U (en) | 1982-07-23 | 1982-07-23 | protective relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11191282U JPS5916046U (en) | 1982-07-23 | 1982-07-23 | protective relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5916046U true JPS5916046U (en) | 1984-01-31 |
Family
ID=30259639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11191282U Pending JPS5916046U (en) | 1982-07-23 | 1982-07-23 | protective relay |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5916046U (en) |
-
1982
- 1982-07-23 JP JP11191282U patent/JPS5916046U/en active Pending
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