JPH0249398U - - Google Patents
Info
- Publication number
- JPH0249398U JPH0249398U JP1988125889U JP12588988U JPH0249398U JP H0249398 U JPH0249398 U JP H0249398U JP 1988125889 U JP1988125889 U JP 1988125889U JP 12588988 U JP12588988 U JP 12588988U JP H0249398 U JPH0249398 U JP H0249398U
- Authority
- JP
- Japan
- Prior art keywords
- side coil
- motor
- reverse rotation
- keep relay
- detection 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Motor And Converter Starters (AREA)
- Control Of Ac Motors In General (AREA)
Description
第１図は本考案の第１実施例を示す回路図、第
２図は第２実施例を示す回路図、第３図は第３実
施例を示す回路図、第４図は第４実施例を示す回
路図、第５図は従来例を示す回路図である。
１……モーター、１Ａ……正転端子、１Ｂ……
逆転端子、２……第１のキープリレー、２Ａ……
オン側コイル、２Ｂ……オフ側コイル、３……開
閉接点、４……第２のキープリレー、４Ａ……正
転側コイル、４Ｂ……逆転側コイル、５……切換
接点、９……電流検知回路、１０……スイツチン
グ素子。
Fig. 1 is a circuit diagram showing a first embodiment of the present invention, Fig. 2 is a circuit diagram showing a second embodiment, Fig. 3 is a circuit diagram showing a third embodiment, and Fig. 4 is a circuit diagram showing a fourth embodiment. FIG. 5 is a circuit diagram showing a conventional example. 1...Motor, 1A...Normal rotation terminal, 1B...
Reverse terminal, 2...1st keep relay, 2A...
On side coil, 2B...Off side coil, 3...Opening/closing contact, 4...Second keep relay, 4A...Forward rotation side coil, 4B...Reverse rotation side coil, 5...Switching contact, 9... Current detection circuit, 10... switching element.
Claims (1)
電ラインに開閉接点を挿入接続するとともに、前
記モーターへの通電制御用のオン側コイルとオフ
側コイルを有する第１のキープリレーと、前記モ
ーターの通電ラインに正逆切換用の切換接点を挿
入接続するとともに、前記モーターの正逆回転制
御用の正転側コイルと逆転側コイルを有する第２
のキープリレーと、この第２のキープリレーの正
転側コイル又は逆転側コイルに流れる電流を検知
する電流検知回路と、前記第１のキープリレーの
オン側コイルに直列に接続され前記検知回路の検
知信号によりオンするスイツチング素子とを備え
たことを特徴とする電動開閉器の駆動回路。 a motor capable of forward and reverse rotation; a first keep relay having an on-side coil and an off-side coil for controlling energization of the motor; a first keep relay having an on-side coil and an off-side coil for controlling energization of the motor; A switching contact for forward/reverse switching is inserted and connected to the line, and a second coil has a forward rotation side coil and a reverse rotation side coil for controlling the forward/reverse rotation of the motor.
a current detection circuit that detects the current flowing through the forward rotation side coil or the reverse rotation side coil of the second keep relay, and a current detection circuit that is connected in series to the on-side coil of the first keep relay and of the detection circuit. A drive circuit for an electric switch, characterized by comprising a switching element that turns on in response to a detection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988125889U JPH0746077Y2 (en) | 1988-09-27 | 1988-09-27 | Electric switch drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988125889U JPH0746077Y2 (en) | 1988-09-27 | 1988-09-27 | Electric switch drive circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0249398U true JPH0249398U (en) | 1990-04-05 |
| JPH0746077Y2 JPH0746077Y2 (en) | 1995-10-18 |
Family
ID=31376895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988125889U Expired - Lifetime JPH0746077Y2 (en) | 1988-09-27 | 1988-09-27 | Electric switch drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0746077Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5875281B2 (en) * | 2011-08-09 | 2016-03-02 | 文化シヤッター株式会社 | Switchgear |
-
1988
- 1988-09-27 JP JP1988125889U patent/JPH0746077Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0746077Y2 (en) | 1995-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0354487U (en) | ||
| JPH01146504U (en) | ||
| JPH0249398U (en) | ||
| JPS5869919U (en) | solenoid drive circuit | |
| JPS6416028U (en) | ||
| JPS60117996U (en) | Shutter control circuit | |
| JPH02139498U (en) | ||
| JPS5834539U (en) | Electric motor burnout prevention device | |
| JPH0324438U (en) | ||
| JPS6298137U (en) | ||
| JPH031632U (en) | ||
| JPS6238044U (en) | ||
| JPS6281426U (en) | ||
| JPS6177635U (en) | ||
| JPH02132215U (en) | ||
| JPS6188498U (en) | ||
| JPS6275545U (en) | ||
| JPS5951410U (en) | delay circuit | |
| JPH01146736U (en) | ||
| JPS63104250U (en) | ||
| JPS62102211U (en) | ||
| JPH0251677U (en) | ||
| JPH023198U (en) | ||
| JPS61164517U (en) | ||
| JPS61191251U (en) |