JPS6277376U - - Google Patents
Info
- Publication number
- JPS6277376U JPS6277376U JP16905485U JP16905485U JPS6277376U JP S6277376 U JPS6277376 U JP S6277376U JP 16905485 U JP16905485 U JP 16905485U JP 16905485 U JP16905485 U JP 16905485U JP S6277376 U JPS6277376 U JP S6277376U
- Authority
- JP
- Japan
- Prior art keywords
- relay
- normally open
- close
- open contact
- overload
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
Description
第１図はこの考案の過負荷表示回路の一実施例
の電気回路図、第２図は従来回路の電気回路図、
第３図は第２図のタイミングチヤートである。
Ｓ２……操作電源、ＣＣ……閉方向電磁リレー
コイル、ＣＣ１〜ＣＣ３……閉方向電磁リレーの
常開接点、ＣＬ１……閉側位置−トルクリミツト
スイツチの常開接点、ＣＡ……閉側位置リミツト
スイネチ、ＣＴ……閉側復帰遅延リレーのリレー
コイル、ＣＴ１……閉側復帰遅延リレーの常開接
点、ＣＸ……閉側補助リレーのリレーコイル、Ｃ
Ｘ１，ＣＸ２……閉側補時リレーの第１、第２の
常開接点、ＣＤ……閉側過負荷表示器、ＯＣ……
開方向電磁リレーのリレーコイル、ＯＣ１〜ＯＣ
３……開方向電磁リレーの常開接点、ＯＬ１……
開側位置−トルクリミツトスイツトの常開接点、
ＯＡ……開側位置リミツトスイツチ、ＯＴ……開
側復帰遅延リレーのリレーコイル、ＯＴ１……開
側復帰遅延リレーの常開接点、ＯＸ……開側補助
リレーのリレーコイル、ＯＸ１，ＯＸ２……開側
補助リレーの第１、第２の常開接点、ＯＤ……開
側過負表示器。
Fig. 1 is an electric circuit diagram of an embodiment of the overload indicating circuit of this invention, Fig. 2 is an electric circuit diagram of a conventional circuit,
FIG. 3 is a timing chart of FIG. 2. S2...Operating power supply, CC...Closing direction electromagnetic relay coil, CC1-CC3...Normal open contact of the closing direction electromagnetic relay, CL1...Normal open contact of the closed side position-torque limit switch, CA...Closing side Position limit switch, CT...Relay coil of closing side return delay relay, CT1...Normally open contact of closing side return delay relay, CX...Relay coil of closing side auxiliary relay, C
X1, CX2...First and second normally open contacts of the closing side auxiliary time relay, CD...Closing side overload indicator, OC...
Relay coil of open direction electromagnetic relay, OC1~OC
3... Normally open contact of the open direction electromagnetic relay, OL1...
Open position - normally open contact of torque limiter,
OA...Open side limit switch, OT...Relay coil of open side return delay relay, OT1...Normally open contact of open side return delay relay, OX...Relay coil of open side auxiliary relay, OX1, OX2...Open The first and second normally open contacts of the side auxiliary relay, OD...Open side overload indicator.
Claims (1)
ミツトと過負荷により動作するトルクリミツトと
を有する位置−トルク兼用リミツトスイツチを備
えた駆動機構における過負荷表示回路において、
電源に、閉、開方向電磁リレーの各常開接点と各
復帰遅延のリレーのリレーコイルとの各直列回路
と、この各復帰遅延のリレーの各常開接点と閉、
開側位置−トルク兼用リミツトスイツチの各常開
接点と閉、開側位置リミツトスイツチと閉、開側
補助リレーのリレーコイルとの各直列回路と、こ
の各捕助リレーの第１の常開接点と閉、開側過負
荷表示器との各直列回路をそれぞれ接続するとと
もに、前記各復帰遅延のリレーの各常開接点に前
記各補助リレーの各第２の常開接点をそれぞれ並
列接続したことを特徴とする過負荷表示回路。 In an overload indicating circuit in a drive mechanism equipped with a position-torque limit switch having a position limit that operates at the stroke end of a valve such as an electric valve and a torque limit that operates due to overload,
In the power supply, each series circuit of each normally open contact of the close and open direction electromagnetic relay and the relay coil of each return delay relay, and each normally open contact of each return delay relay and close,
Open side position - each normally open contact of the torque limit switch and close, open side limit switch and close, each series circuit with the relay coil of the open side auxiliary relay, and the first normally open contact of each of these auxiliary relays and close , each series circuit with the open side overload indicator is connected respectively, and each second normally open contact of each of the auxiliary relays is connected in parallel to each normally open contact of each of the return delay relays. Overload indication circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16905485U JPH0310448Y2 (en) | 1985-10-31 | 1985-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16905485U JPH0310448Y2 (en) | 1985-10-31 | 1985-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6277376U true JPS6277376U (en) | 1987-05-18 |
| JPH0310448Y2 JPH0310448Y2 (en) | 1991-03-14 |
Family
ID=31102507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16905485U Expired JPH0310448Y2 (en) | 1985-10-31 | 1985-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0310448Y2 (en) |
-
1985
- 1985-10-31 JP JP16905485U patent/JPH0310448Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0310448Y2 (en) | 1991-03-14 |
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