CN205490282U - Motor control circuit that is just reversing - Google Patents
Motor control circuit that is just reversing Download PDFInfo
- Publication number
- CN205490282U CN205490282U CN201620323565.8U CN201620323565U CN205490282U CN 205490282 U CN205490282 U CN 205490282U CN 201620323565 U CN201620323565 U CN 201620323565U CN 205490282 U CN205490282 U CN 205490282U
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- contactor
- reversion
- normally
- closed contact
- connects
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- Expired - Fee Related
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Abstract
Motor control circuit that is just reversing belongs to motor control field, the utility model discloses a solving the motor and adopting dual interlocking protection scheme, the interlocking degree is not high, the poor problem of job stabilization nature. The utility model discloses a three -phase breaker QS1, single -phase circuit breaker QS2, corotation ac contactor KM1, reversal ac contactor KM2, stop button SB1, corotation start button SB2, reversal start button SB3, lose electric delay relay KT1, KT2, corotation pilot lamp HL1, reversal pilot lamp HL2 and power indicator HL3, button interlocking, ac contactor normally closed contact interlocking, mistake electricity time delay time relay lose the normally closed contact interlocking of electric timing closing. Press several seconds backs of SB3, the reversal could start to really play the interlocking protection.
Description
Technical field
This utility model belongs to Motor Control Field.
Background technology
Motor has been widely used in the various equipment of industrial product.In the occasion of reality application motor, according to
The practical situation of application carries out rotating control to motor.For ensure any time motor can only forward or reverse, need
Use logical interlock circuit that motor is carried out rotating control.The function of logical interlock circuit is to limit turning to of motor,
Ensure can not invert when motor rotates forward, can not rotate forward during motor reversion, it is to avoid the short circuit of three-phase alternating-current supply.
Generally rotating start-up circuit all uses double interlock to protect, i.e. press interlock, the interlocking of A.C. contactor normally-closed contact,
Interlocking degree is the highest.
Summary of the invention
This utility model purpose is that interlocking degree is the highest, working stability in order to solve motor employing double interlock protection scheme
Property difference problem, it is provided that a kind of motor forward/backward rotation control circuit.
Motor forward/backward rotation control circuit described in the utility model, it include three-phase breaker QS1, single-phase circuit breaker QS2,
Rotate forward A.C. contactor KM1, reversion A.C. contactor KM2, stop button SB1, rotate forward start button SB2, reversion
Start button SB3, dead electricity time-delay relay KT1, dead electricity time-delay relay KT2, rotating forward display lamp HL1, reversion refer to
Show lamp HL2 and power supply indicator HL3；
Threephase motor M passes sequentially through rotating forward A.C. contactor KM1 normally opened main contacts KM1-1 and three-phase breaker QS1
Connect three live wires of three phase mains；And A corresponding connection live wire L1, the B corresponding connection live wire of threephase motor M
L2, C corresponding connection live wire L3；Reversion A.C. contactor KM2 normally opened main contacts KM2-1 is connected in parallel on normally opened main contacts
KM1-1 two ends；
Control circuit is connected by single-phase circuit breaker QS2 between live wire L2 and live wire L3；Live wire L2 connects stop button
One end of SB1, the other end of stop button SB1 is simultaneously connected with and rotates forward one end of start button SB2, rotates forward ac contactor
One end of device KM1 normally opened contact KM1-2, one end of reversion start button SB3, A.C. contactor KM2 is normally opened in reversion
One end of contact KM2-2, one end of rotating forward A.C. contactor KM1 normally opened contact KM1-4, reversion A.C. contactor KM2
One end of normally opened contact KM2-4 and one end of power supply indicator HL3；
The other end rotating forward start button SB2 is simultaneously connected with another of rotating forward A.C. contactor KM1 normally opened contact KM1-2
End and one end of reversion start button SB3 motor forward/backward rotation control circuit, invert start button SB3 motor forward/backward rotation
The other end of control circuit connects one end of reversion A.C. contactor KM2 normally-closed contact KM2-3, inverts A.C. contactor
The other end of KM2 normally-closed contact KM2-3 connects one end of dead electricity time-delay relay KT2 normally-closed contact, and dead electricity time delay continues
The other end of electrical equipment KT2 normally-closed contact is simultaneously connected with one end and the dead electricity time-delay relay rotating forward A.C. contactor KM1 coil
One end of KT1 coil；Rotate forward the other end of A.C. contactor KM1 coil and the another of dead electricity time-delay relay KT1 coil
One end is simultaneously connected with live wire L3；
The other end of reversion start button SB3 is simultaneously connected with another of reversion A.C. contactor KM2 normally opened contact KM2-2
End and one end of rotating forward start button SB2 motor forward/backward rotation control circuit, rotate forward start button SB2 motor forward/backward rotation
The other end of control circuit connects the one end rotating forward A.C. contactor KM1 normally-closed contact KM1-3, rotates forward A.C. contactor
The other end of KM1 normally-closed contact KM1-3 connects one end of dead electricity time-delay relay KT1 normally-closed contact, and dead electricity time delay continues
The other end of electrical equipment KT1 normally-closed contact is simultaneously connected with one end and the dead electricity time-delay relay of reversion A.C. contactor KM2 coil
One end of KT2 coil；Invert the other end of A.C. contactor KM2 coil and the another of dead electricity time-delay relay KT2 coil
One end is simultaneously connected with live wire L3；
The other end rotating forward A.C. contactor KM1 normally opened contact KM1-4 connects the one end rotating forward display lamp HL1, rotates forward
The other end of display lamp HL1 connects live wire L3；
The other end of reversion A.C. contactor KM2 normally opened contact KM2-4 connects one end of reversion display lamp HL2, reversion
The other end of display lamp HL2 connects live wire L3；
The other end of power supply indicator HL3 connects live wire L3.
Advantage of the present utility model: motor forward/backward rotation control circuit described in the utility model arranges rationally, simple in construction, tool
There are triple interlock protection, i.e. press interlock, the interlocking of A.C. contactor normally-closed contact, dead electricity time delay relay dead electricity time delay
The normally-closed contact interlocking of Guan Bi, interlocks strong, improves the degree of detection to fault, improve functional reliability.
Accompanying drawing explanation
Fig. 1 is the control circuit figure of motor forward/backward rotation control circuit described in the utility model.
Detailed description of the invention
Detailed description of the invention one: present embodiment is described below in conjunction with Fig. 1, motor forward/backward rotation described in present embodiment controls
Circuit, it includes three-phase breaker QS1, single-phase circuit breaker QS2, rotates forward A.C. contactor KM1, reversion ac contactor
Device KM2, stop button SB1, rotate forward start button SB2, reversion start button SB3, dead electricity time-delay relay KT1,
Dead electricity time-delay relay KT2, rotating forward display lamp HL1, reversion display lamp HL2 and power supply indicator HL3；
Threephase motor M passes sequentially through rotating forward A.C. contactor KM1 normally opened main contacts KM1-1 and three-phase breaker QS1
Connect three live wires of three phase mains；And A corresponding connection live wire L1, the B corresponding connection live wire of threephase motor M
L2, C corresponding connection live wire L3；Reversion A.C. contactor KM2 normally opened main contacts KM2-1 is connected in parallel on normally opened main contacts
KM1-1 two ends；
Control circuit is connected by single-phase circuit breaker QS2 between live wire L2 and live wire L3；Live wire L2 connects stop button
One end of SB1, the other end of stop button SB1 is simultaneously connected with and rotates forward one end of start button SB2, rotates forward ac contactor
One end of device KM1 normally opened contact KM1-2, one end of reversion start button SB3, A.C. contactor KM2 is normally opened in reversion
One end of contact KM2-2, one end of rotating forward A.C. contactor KM1 normally opened contact KM1-4, reversion A.C. contactor KM2
One end of normally opened contact KM2-4 and one end of power supply indicator HL3；
The other end rotating forward start button SB2 is simultaneously connected with another of rotating forward A.C. contactor KM1 normally opened contact KM1-2
End and one end of reversion start button SB3 motor forward/backward rotation control circuit, invert start button SB3 motor forward/backward rotation
The other end of control circuit connects one end of reversion A.C. contactor KM2 normally-closed contact KM2-3, inverts A.C. contactor
The other end of KM2 normally-closed contact KM2-3 connects one end of dead electricity time-delay relay KT2 normally-closed contact, and dead electricity time delay continues
The other end of electrical equipment KT2 normally-closed contact is simultaneously connected with one end and the dead electricity time-delay relay rotating forward A.C. contactor KM1 coil
One end of KT1 coil；Rotate forward the other end of A.C. contactor KM1 coil and the another of dead electricity time-delay relay KT1 coil
One end is simultaneously connected with live wire L3；
The other end of reversion start button SB3 is simultaneously connected with another of reversion A.C. contactor KM2 normally opened contact KM2-2
End and one end of rotating forward start button SB2 motor forward/backward rotation control circuit, rotate forward start button SB2 motor forward/backward rotation
The other end of control circuit connects the one end rotating forward A.C. contactor KM1 normally-closed contact KM1-3, rotates forward A.C. contactor
The other end of KM1 normally-closed contact KM1-3 connects one end of dead electricity time-delay relay KT1 normally-closed contact, and dead electricity time delay continues
The other end of electrical equipment KT1 normally-closed contact is simultaneously connected with one end and the dead electricity time-delay relay of reversion A.C. contactor KM2 coil
One end of KT2 coil；Invert the other end of A.C. contactor KM2 coil and the another of dead electricity time-delay relay KT2 coil
One end is simultaneously connected with live wire L3；
The other end rotating forward A.C. contactor KM1 normally opened contact KM1-4 connects the one end rotating forward display lamp HL1, rotates forward
The other end of display lamp HL1 connects live wire L3；
The other end of reversion A.C. contactor KM2 normally opened contact KM2-4 connects one end of reversion display lamp HL2, reversion
The other end of display lamp HL2 connects live wire L3；
The other end of power supply indicator HL3 connects live wire L3.
First Guan Bi QS1 and QS2, preparation of working well.
When rotating forward startup, pressing rotating forward start button SB2, the normally-closed contact linked with it disconnects KM2 wire loop power supply,
Make KM2 coil can not obtain electric adhesive, play interlock protection, simultaneously mono-group of normally opened contact of SB2 Guan Bi, connected KM1,
KT1 coil simultaneously electric adhesive and KM1 auxiliary normally opened contact KM1-2 Guan Bi, KM1 three-phase main contacts Guan Bi, electricity
Motivation M is rotated forward operation, and the auxiliary normally opened contact KM1-4 Guan Bi of KM1, and HL1 display lamp is bright.KM1's is normal
Closed contact KM1-3 disconnects, and the normally-closed contact of KT1 also disconnects, and adds SB3 normally opened contact, makes KM2 and KT2 coil
Loop has cut-off point at three to interlock simultaneously, thus plays interlock protection very reliably.
When needs invert, pressing SB3, one group of linkage normally-closed contact of first SB3 disconnects, and has cut off rotating forward exchange and has connect
Tentaculum KM1, dead electricity time delay relay KT1 ring current, make KM1, KT1 coil blackout discharge, motor
M rotates forward and shuts down, KT1 trigger simultaneously, and after KT1 time delay, KT1 normally-closed contact could recover Guan Bi, i.e.
Making to press reversion button SB3 and can not invert startup, then must press SB3 after several seconds, reversion could start, thus very
Just playing interlock protection.
After reversion starts successfully, KM2 coil obtains electric, and its normally opened contact KM2-4 closes, and HL2 display lamp is bright.
Detailed description of the invention two: present embodiment is the further restriction to embodiment one, also includes three-phase thermorelay
FR, the coil of three-phase thermorelay FR connects with the stator winding of threephase motor M, and three-phase thermorelay FR's is normal
Closing main contact to be connected in main circuit, the normally closed auxiliary contact of three-phase thermorelay FR is connected in control circuit.
The safety guarantee being provided with beneficially circuit of present embodiment.
Claims (2)
1. motor forward/backward rotation control circuit, it is characterised in that it include three-phase breaker QS1, single-phase circuit breaker QS2,
Rotate forward A.C. contactor KM1, reversion A.C. contactor KM2, stop button SB1, rotating forward start button SB2, invert and open
Dynamic button SB3, dead electricity time-delay relay KT1, dead electricity time-delay relay KT2, rotating forward display lamp HL1, reversion display lamp
HL2 and power supply indicator HL3；
Threephase motor M passes sequentially through rotating forward A.C. contactor KM1 normally opened main contacts KM1-1 and three-phase breaker QS1
Connect three live wires of three phase mains；And A corresponding connection live wire L1, the B corresponding connection live wire of threephase motor M
L2, C corresponding connection live wire L3；Reversion A.C. contactor KM2 normally opened main contacts KM2-1 is connected in parallel on normally opened main contacts
KM1-1 two ends；
Control circuit is connected by single-phase circuit breaker QS2 between live wire L2 and live wire L3；Live wire L2 connects stop button SB1
One end, the other end of stop button SB1 be simultaneously connected with rotate forward start button SB2 one end, rotate forward A.C. contactor KM1
One end of normally opened contact KM1-2, one end of reversion start button SB3, reversion A.C. contactor KM2 normally opened contact KM2-2
One end, rotate forward A.C. contactor KM1 normally opened contact KM1-4 one end, reversion A.C. contactor KM2 normally opened contact
One end of KM2-4 and one end of power supply indicator HL3；
The other end rotating forward start button SB2 is simultaneously connected with the other end rotating forward A.C. contactor KM1 normally opened contact KM1-2
With one end of reversion start button SB3 linkage normally-closed contact, the other end of reversion start button SB3 linkage normally-closed contact connects
One end of reversion A.C. contactor KM2 normally-closed contact KM2-3, reversion A.C. contactor KM2 normally-closed contact KM2-3's
The other end connects one end of dead electricity time-delay relay KT2 normally-closed contact, the other end of dead electricity time-delay relay KT2 normally-closed contact
It is simultaneously connected with one end and the one end of dead electricity time-delay relay KT1 coil rotating forward A.C. contactor KM1 coil；Rotate forward exchange
The other end of catalyst KM1 coil and the other end of dead electricity time-delay relay KT1 coil are simultaneously connected with live wire L3；
The other end of reversion start button SB3 is simultaneously connected with the other end of reversion A.C. contactor KM2 normally opened contact KM2-2
With one end of rotating forward start button SB2 linkage normally-closed contact, the other end rotating forward start button SB2 linkage normally-closed contact connects
Rotate forward one end of A.C. contactor KM1 normally-closed contact KM1-3, rotate forward A.C. contactor KM1 normally-closed contact KM1-3's
The other end connects one end of dead electricity time-delay relay KT1 normally-closed contact, the other end of dead electricity time-delay relay KT1 normally-closed contact
It is simultaneously connected with one end and one end of dead electricity time-delay relay KT2 coil of reversion A.C. contactor KM2 coil；Reversion exchange
The other end of catalyst KM2 coil and the other end of dead electricity time-delay relay KT2 coil are simultaneously connected with live wire L3；
The other end rotating forward A.C. contactor KM1 normally opened contact KM1-4 connects the one end rotating forward display lamp HL1, and rotating forward refers to
Show that the other end of lamp HL1 connects live wire L3；
The other end of reversion A.C. contactor KM2 normally opened contact KM2-4 connects one end of reversion display lamp HL2, and reversion refers to
Show that the other end of lamp HL2 connects live wire L3；
The other end of power supply indicator HL3 connects live wire L3.
Motor forward/backward rotation control circuit the most according to claim 1, it is characterised in that also include three-phase thermorelay
FR, the coil of three-phase thermorelay FR connects with the stator winding of threephase motor M, and three-phase thermorelay FR's is normally closed
Main contact is connected in main circuit, and the normally closed auxiliary contact of three-phase thermorelay FR is connected in control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620323565.8U CN205490282U (en) | 2016-04-18 | 2016-04-18 | Motor control circuit that is just reversing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620323565.8U CN205490282U (en) | 2016-04-18 | 2016-04-18 | Motor control circuit that is just reversing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205490282U true CN205490282U (en) | 2016-08-17 |
Family
ID=56640691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620323565.8U Expired - Fee Related CN205490282U (en) | 2016-04-18 | 2016-04-18 | Motor control circuit that is just reversing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205490282U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769165A (en) * | 2017-11-18 | 2018-03-06 | 襄垣县树元电器有限公司 | The double protection devices of motor delay |
| CN108313234A (en) * | 2018-03-21 | 2018-07-24 | 无锡德林防务装备股份有限公司 | Open type hydraulic system watertight controlling device for doors |
| CN108382537A (en) * | 2018-03-21 | 2018-08-10 | 无锡德林防务装备股份有限公司 | Closed Hydraulic watertight controlling device for doors |
| CN108919743A (en) * | 2018-08-13 | 2018-11-30 | 广东白云学院 | Sunpender motor circuit and control system of platform booms |
| CN109004625A (en) * | 2017-08-11 | 2018-12-14 | 上海英奇电气科技有限公司 | A kind of output loop interlock system |
| CN109217748A (en) * | 2018-11-16 | 2019-01-15 | 横店集团英洛华电气有限公司 | Motor rotation blockage control circuit and its control method for cooking machine |
| CN110745679A (en) * | 2019-10-15 | 2020-02-04 | 徐州立方机电设备制造有限公司 | Electrical locking device of vertical shaft hybrid lifting system |
| CN111005427A (en) * | 2019-12-16 | 2020-04-14 | 安徽锵信网络科技有限公司 | Ceramic urinal installation equipment for environment-friendly toilet |
| CN111313792A (en) * | 2020-04-03 | 2020-06-19 | 安徽中电兴发与鑫龙科技股份有限公司 | Circuit for automatic forward and reverse rotation switching in forward and reverse rotation loop |
| CN111416563A (en) * | 2020-04-22 | 2020-07-14 | 安徽东源电力有限公司 | Power saving method for dynamic flexible adjustment of motor |
| CN111684961A (en) * | 2020-06-23 | 2020-09-22 | 温州大学 | Greenhouse multi-mode intelligent control system |
| CN112260609A (en) * | 2020-10-12 | 2021-01-22 | 河南中烟工业有限责任公司 | Reciprocating type sediment machine control circuit structure of scraping in air supporting pond |
| CN115276475A (en) * | 2022-08-10 | 2022-11-01 | 华能(广东)能源开发有限公司汕头电厂 | Motor forward and reverse rotation double interlocking device |
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2016
- 2016-04-18 CN CN201620323565.8U patent/CN205490282U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004625A (en) * | 2017-08-11 | 2018-12-14 | 上海英奇电气科技有限公司 | A kind of output loop interlock system |
| CN109004625B (en) * | 2017-08-11 | 2024-03-19 | 上海英奇电气科技有限公司 | Output loop interlocking system |
| CN107769165A (en) * | 2017-11-18 | 2018-03-06 | 襄垣县树元电器有限公司 | The double protection devices of motor delay |
| CN108313234A (en) * | 2018-03-21 | 2018-07-24 | 无锡德林防务装备股份有限公司 | Open type hydraulic system watertight controlling device for doors |
| CN108382537A (en) * | 2018-03-21 | 2018-08-10 | 无锡德林防务装备股份有限公司 | Closed Hydraulic watertight controlling device for doors |
| CN108919743A (en) * | 2018-08-13 | 2018-11-30 | 广东白云学院 | Sunpender motor circuit and control system of platform booms |
| CN109217748B (en) * | 2018-11-16 | 2023-10-13 | 浙江联宜电机有限公司 | Motor locked rotor control circuit for food processor and control method thereof |
| CN109217748A (en) * | 2018-11-16 | 2019-01-15 | 横店集团英洛华电气有限公司 | Motor rotation blockage control circuit and its control method for cooking machine |
| CN110745679A (en) * | 2019-10-15 | 2020-02-04 | 徐州立方机电设备制造有限公司 | Electrical locking device of vertical shaft hybrid lifting system |
| CN111005427A (en) * | 2019-12-16 | 2020-04-14 | 安徽锵信网络科技有限公司 | Ceramic urinal installation equipment for environment-friendly toilet |
| CN111313792A (en) * | 2020-04-03 | 2020-06-19 | 安徽中电兴发与鑫龙科技股份有限公司 | Circuit for automatic forward and reverse rotation switching in forward and reverse rotation loop |
| CN111416563A (en) * | 2020-04-22 | 2020-07-14 | 安徽东源电力有限公司 | Power saving method for dynamic flexible adjustment of motor |
| CN111684961A (en) * | 2020-06-23 | 2020-09-22 | 温州大学 | Greenhouse multi-mode intelligent control system |
| CN112260609A (en) * | 2020-10-12 | 2021-01-22 | 河南中烟工业有限责任公司 | Reciprocating type sediment machine control circuit structure of scraping in air supporting pond |
| CN115276475A (en) * | 2022-08-10 | 2022-11-01 | 华能(广东)能源开发有限公司汕头电厂 | Motor forward and reverse rotation double interlocking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20200418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |