JPS5841094U - Electric shutter reverse phase connection prevention circuit structure - Google Patents
Electric shutter reverse phase connection prevention circuit structureInfo
- Publication number
- JPS5841094U JPS5841094U JP13308181U JP13308181U JPS5841094U JP S5841094 U JPS5841094 U JP S5841094U JP 13308181 U JP13308181 U JP 13308181U JP 13308181 U JP13308181 U JP 13308181U JP S5841094 U JPS5841094 U JP S5841094U
- Authority
- JP
- Japan
- Prior art keywords
- main relay
- reverse phase
- circuit structure
- prevention circuit
- phase connection
- 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
Landscapes
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Motor And Converter Starters (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来知られているシャッターの制御回路、第
２図は、その逆相防止リレーの動作説明図、第３図は、
この考案の実施例であるシャッターの制御回路である。
図において；−１および２・・・開スイッチおよび一閉
スイッチ、３・・・逆相防止用リレー、６・・・モータ
ー、７・・・電磁ブレーキ、１１および２１・・・開動
作用メインリレーおよび閉動作用メインリレー、１２お
よび２２・・・開操作用押ボタンスイッチおよび閉操作
用押ボタンスイッチ、１３および２３・・・自己保持回
路、１４および２４・・・リミットスイッチ、１５およ
び２５・・・安全スイッチ。Fig. 1 is a conventionally known shutter control circuit, Fig. 2 is an explanatory diagram of the operation of the reverse phase prevention relay, and Fig. 3 is:
This is a shutter control circuit that is an embodiment of this invention. In the figure: -1 and 2...open switch and close switch, 3...relay for preventing reverse phase, 6...motor, 7...electromagnetic brake, 11 and 21...main relay for opening operation and main relay for closing operation, 12 and 22...push button switch for open operation and push button switch for closing operation, 13 and 23...self-holding circuit, 14 and 24...limit switch, 15 and 25...・Safety switch.
Claims (1)
転の方向に従って、コンデンサ、開動作用メインリレー
と閉動作用メインリレーとの並列回路および抵抗を接続
し、逆相となったとき、開動作用メインリレーおよび閉
動作用メインリレーにかかる電圧が動作電圧より低くな
るようにしたことを特徴とするシャッターの制御回路。Between the asymmetrical load neutral point and each phase of the three-phase AC power supply, connect a capacitor, a parallel circuit of the main relay for open operation and the main relay for close operation, and a resistor according to the direction of phase rotation so that the phases are reversed. 1. A control circuit for a shutter, wherein the voltage applied to the main relay for opening operation and the main relay for closing operation is lower than the operating voltage when the main relay for opening operation and the main relay for closing operation are operated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13308181U JPS5841094U (en) | 1981-09-09 | 1981-09-09 | Electric shutter reverse phase connection prevention circuit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13308181U JPS5841094U (en) | 1981-09-09 | 1981-09-09 | Electric shutter reverse phase connection prevention circuit structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5841094U true JPS5841094U (en) | 1983-03-18 |
| JPS645995Y2 JPS645995Y2 (en) | 1989-02-15 |
Family
ID=29926560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13308181U Granted JPS5841094U (en) | 1981-09-09 | 1981-09-09 | Electric shutter reverse phase connection prevention circuit structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5841094U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5465314U (en) * | 1977-10-18 | 1979-05-09 |
-
1981
- 1981-09-09 JP JP13308181U patent/JPS5841094U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5465314U (en) * | 1977-10-18 | 1979-05-09 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS645995Y2 (en) | 1989-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5841094U (en) | Electric shutter reverse phase connection prevention circuit structure | |
| JPS5956993U (en) | Reverse rotation prevention device for three-phase motors | |
| JPS6225504Y2 (en) | ||
| JPS602398U (en) | power saver | |
| JPS6011696U (en) | rotating electric machine | |
| JPS58134842U (en) | Three-phase shaya breaker operation circuit | |
| JPS634193U (en) | ||
| JPS6019873U (en) | Electric valve drive control device using a two-winding motor | |
| JPS60177692U (en) | AC elevator main circuit failure detection device | |
| JPS58159843U (en) | Capacitor switching control device | |
| JPS58120187U (en) | Hoist inverter control device | |
| JPS58145045U (en) | Phase advance capacitor automatic control device for power factor improvement | |
| JPS63198338U (en) | ||
| JPS58162792U (en) | AC elevator control circuit | |
| JPS6044469U (en) | Capacitor run type single phase induction motor | |
| JPS5811996U (en) | Motor control circuit | |
| JPS5956933U (en) | Asynchronous closing prevention device for synchronous circuit breakers | |
| JPS5857296U (en) | Simultaneous input prevention circuit in forward/reverse rotation switching circuit of three-phase AC motor | |
| JPS59179493U (en) | Reversing control device for capacitor run motor | |
| JPS59117126U (en) | Electric operation mechanism for tap changer under load | |
| JPS627789U (en) | ||
| JPS6055247U (en) | High voltage power supply switchgear | |
| JPS5892894U (en) | Single phase induction motor starting device | |
| JPS6072490U (en) | Chain block load control device | |
| JPS58127896U (en) | DC motor control device |