CN103618481A - Motor steering controller and control method - Google Patents
Motor steering controller and control method Download PDFInfo
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- CN103618481A CN103618481A CN201310656400.3A CN201310656400A CN103618481A CN 103618481 A CN103618481 A CN 103618481A CN 201310656400 A CN201310656400 A CN 201310656400A CN 103618481 A CN103618481 A CN 103618481A
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Abstract
The invention relates to a motor steering controller and a control method. The motor steering controller comprises a motor, a controller body and the control method. The motor steering controller is characterized in that the controller body is formed by electrically connecting a detecting unit, a diverter switch and a control mode unit, two electromagnetic switches electrically connected with the controller body are additionally arranged between the motor and the three-phase power source, and a rotating shaft of the motor is additionally provided with a revolution speed sensor; the controller body is used for turning off a power switch to finish steering switching of the motor according to the switching order and the state signal value of the electromagnetic switches, and when the revolution speed of the motor is zero, the power switch is turned on, and the motor runs according to the switched steering. The motor steering controller is simple in structure and convenient to operate, the steering conversion of the motor is accurate and reliable, the motor runs stably, the safety of workers and devices is good, the switching time is short, production efficiency is improved, and production cost is reduced.
Description
Technical field
The present invention relates to a kind of rotating direction control method, be specifically related to a kind of motor steering controller and control method.
Background technology
Well-known motor is by changing the connection of any two-phase of three-phase, thereby changes turning to of motor.The mode that switching between motor positive and inverse adopts manually control or constant time lag to control realizes.During switching, need to have a power failure, the line that artificial wiring changes any two-phase under the condition that has people to guard is realized the switching of motor steering, this mode of operation operating time is long, program is complicated, poor stability, easily there is security incident, cause injury to personnel, device damage, also reduced production efficiency simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of easy to operate, motor steering controller and control method that fail safe is good.
Motor steering controller of the present invention and control method, comprise motor, controller and control method, it is characterized in that: described controller is electrically connected to form by detecting unit, diverter switch and control model unit; Between described motor and three phase mains, set up two electromagnetic switch, i.e. electromagnetic switch KA and electromagnetic switch KB, 3 binding posts into and out of line end of electromagnetic switch KB are sequentially electrically connected to three phase mains and motor three phase windings respectively; 3 binding posts of the end of incoming cables of electromagnetic switch KA are electrically connected to three phase mains order, and in 3 binding posts of the leading-out terminal of electromagnetic switch KA, any two are electrically connected to the corresponding two-phase order change of motor three phase windings; Described electromagnetic switch KA and electromagnetic switch KB are electrically connected to controller; Described control method is as follows:
A, on the control model unit of controller, set electromagnetic switch status signal value, status signal value when electromagnetic switch KA, electromagnetic switch KB closed and disconnected, is 1 when closed, is 0 during disconnection;
B, press diverter switch, to control model unit, send and turn to switching signal;
C, detecting unit gather the status signal value of electromagnetic switch KA, electromagnetic switch KB, and status signal value are transferred to control model unit;
D, control model unit compare the status signal value of the status signal value of electromagnetic switch KA, electromagnetic switch KB and setting, when the status signal value of electromagnetic switch KA is " 1 ", forward step e to, when the status signal value of electromagnetic switch KA is " 0 ", forward step F to;
E, electromagnetic switch KA be in closure state, and electromagnetic switch KB is in off-state, motor reverse rotation, control model unit sends and turns to switching command, and mains switch disconnects, and electromagnetic switch KA disconnects, electromagnetic switch KB is closed, motor is converted to and is rotated in the forward by reverse rotation, execution step G;
F, electromagnetic switch KA are off-state, electromagnetic switch KB is closure state, and motor is for being rotated in the forward, and control model unit sends switching command, mains switch disconnects, electromagnetic switch KA is closed, electromagnetic switch KB disconnects, and motor is converted to reverse rotation by being rotated in the forward;
When the rotating speed that G, detecting unit detect motor is zero, control model unit sends electrical instruction, and mains switch is closed, and motor peace turns to running after switching;
H, turn to changeover program to finish, get back to step B, wait for next switching command.
In order better to realize above-mentioned purpose:
The rotating shaft of described motor is provided with speed probe, and described speed probe is electrically connected to detecting unit.
Of the present invention simple in structure, easy to operate, motor steering is changed accurately and reliably, stable, and personnel and device security are good; Switching time is short, has improved production efficiency, has reduced production cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the flow chart of control method of the present invention.
In the drawings, 1, motor, 2, electromagnetic switch KA, 3, electromagnetic switch KB, 4, mains switch, 5, control model unit, 6, detecting unit, 7, diverter switch, 9, speed probe, U
1, three phase mains first-phase, U
2, three phase mains second-phase, U
3, three phase mains third phase, W
1, motor first-phase winding, W
2, motor second-phase winding, W
3, motor third phase winding.
Embodiment
Motor steering controller of the present invention and control method, comprise motor 1, controller and control method.Controller is electrically connected to form by detecting unit 6, diverter switch 7 and control model unit 5.Between motor 1 and three phase mains, set up two electromagnetic switch, i.e. electromagnetic switch KA2 and electromagnetic switch KB3.3 binding posts into and out of line end of electromagnetic switch KB3 are sequentially electrically connected to three phase mains and motor three phase windings respectively, i.e. the first-phase U of three phase mains
1, three phase mains second-phase U
2third phase U with three phase mains
3the corresponding motor first-phase winding W of difference
1, motor second-phase winding W
2with motor third phase winding W
3be electrically connected to.3 binding posts of the end of incoming cables of electromagnetic switch KA2 and the first-phase U of three phase mains
1, three phase mains second-phase U
2third phase U with three phase mains
3order is electrically connected to, and in 3 binding posts of the leading-out terminal of electromagnetic switch KA2, any two are electrically connected to the corresponding two-phase order change of motor three phase windings, as the first-phase U of three phase mains
1with motor first-phase winding W
1, three phase mains second-phase U
2with motor third phase winding W
3, three phase mains third phase U
3with motor second-phase winding W
2corresponding electrical connection.Electromagnetic switch KA2 and electromagnetic switch KB3 are electrically connected to controller.Its control method is as follows:
A, on the control model unit 5 of controller, set the status signal value of electromagnetic switch KA2 and electromagnetic switch KB3, status signal value when electromagnetic switch KA2, electromagnetic switch KB3 closed and disconnected, is 1 when closed, is 0 during disconnection;
B, press the diverter switch 7 on controller, to control model unit 5, send and turn to switching signal;
C, detecting unit 6 gather the status signal value of electromagnetic switch KA2 and electromagnetic switch KB3, and status signal value are transferred to control model unit 5;
D, control model unit 5 compare the status signal value of the status signal value of electromagnetic switch KA2 and electromagnetic switch KB3 and setting, when the status signal value of electromagnetic switch KA is " 1 ", forward step e to, when the status signal value of electromagnetic switch KA is " 0 ", forward step F to;
E, electromagnetic switch KA2 are in closure state, electromagnetic switch KB3 is in off-state, motor 1 reverse rotation, control model unit 5 sends and turns to switching command, mains switch 4 disconnects, electromagnetic switch KA2 disconnects, electromagnetic switch KB3 is closed, motor 1 is converted to and is rotated in the forward by reverse rotation, execution step G;
F, electromagnetic switch KA2 are off-state, and electromagnetic switch KB3 is closure state, and motor 1 is for being rotated in the forward, control model unit 5 sends switching command, mains switch 4 disconnects, and electromagnetic switch KA2 is closed, electromagnetic switch KB3 disconnects, and motor 1 is converted to reverse rotation by being rotated in the forward;
G, detecting unit 6, by the speed probe 9 in the rotating shaft of motor 1, detect the rotating speed of motor 1, and when the rotating speed of motor 1 is zero, control model unit 5 sends electrical instruction, mains switch 4 closures, and motor 1 is pacified the running that turns to after switching;
H, turn to changeover program to finish, get back to step B, wait for next switching command.
During use, when needing the turning to of switch motor, operating personnel only need press the diverter switch 7 on controller, and motor automatically completes and turns to switching.Fail safe simple to operate is good.
Claims (2)
1. a motor steering controller and control method, comprise motor (1), controller and control method, it is characterized in that: described controller is electrically connected to form by detecting unit (6), diverter switch (7) and control model unit (5), between motor (1) and three phase mains, set up two electromagnetic switch, be electromagnetic switch KA(2) and electromagnetic switch KB(3), electromagnetic switch KB(3) 3 binding posts into and out of line end be sequentially electrically connected to three phase mains and motor three phase windings respectively; 3 binding posts of end of incoming cables electromagnetic switch KA(2) are electrically connected to three phase mains order, in 3 binding posts of leading-out terminal electromagnetic switch KA(2), any two are electrically connected to the corresponding two-phase order change of motor three phase windings, electromagnetic switch KA(2) and electromagnetic switch KB(3) be electrically connected to controller; Described control method is as follows:
A, in the control model unit (5) of controller the upper electromagnetic switch KA(2 that sets) and electromagnetic switch KB(3) status signal value, be electromagnetic switch KA(2), electromagnetic switch KB(3) status signal value during closed and disconnected, when closed, being 1, is 0 during disconnection;
B, press the diverter switch (7) on controller, to control model unit (5), send and turn to switching signal;
C, detecting unit (6) gather electromagnetic switch KA(2) and electromagnetic switch KB(3) status signal value, and status signal value is transferred to control model unit (5);
D, control model unit (5) are by electromagnetic switch KA(2) and electromagnetic switch KB(3) status signal value and the status signal value of setting compare, as electromagnetic switch KA(2) status signal value while being " 1 ", forward step e to, as electromagnetic switch KA(2) status signal value while being " 0 ", forward step F to;
E, electromagnetic switch KA(2) in closure state, electromagnetic switch KB(3) in off-state, motor (1) reverse rotation, control model unit (5) sends and turns to switching command, mains switch (4) disconnects, electromagnetic switch KA(2) disconnect, electromagnetic switch KB(3) closure, motor (1) is converted to and is rotated in the forward by reverse rotation, execution step G;
F, electromagnetic switch KA(2) be off-state, electromagnetic switch KB(3) be closure state, motor (1) is for being rotated in the forward, control model unit (5) sends switching command, mains switch (4) disconnects, electromagnetic switch KA (2) is closed, electromagnetic switch KB (3) disconnects, and motor (1) is converted to reverse rotation by being rotated in the forward;
When the rotating speed that G, detecting unit (6) detect motor (1) is zero, control model unit (5) send electrical instruction, mains switch (4) closure, and motor (1) peace turns to running after switching;
H, turn to changeover program to finish, get back to step B, wait for next switching command.
2. motor steering controller according to claim 1 and control method, is characterized in that: the rotating shaft of described motor (1) is provided with speed probe (9), and described speed probe (9) is electrically connected to detecting unit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656400.3A CN103618481A (en) | 2013-12-09 | 2013-12-09 | Motor steering controller and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656400.3A CN103618481A (en) | 2013-12-09 | 2013-12-09 | Motor steering controller and control method |
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| CN103618481A true CN103618481A (en) | 2014-03-05 |
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| CN201310656400.3A Pending CN103618481A (en) | 2013-12-09 | 2013-12-09 | Motor steering controller and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531488A (en) * | 2016-11-25 | 2017-03-22 | 云南电网有限责任公司电力科学研究院 | Anti-reversing device of isolation switch |
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| FR2818006A1 (en) * | 2000-12-12 | 2002-06-14 | Schneider Electric Ind Sa | Electrical motor control/protection unit having switch module with control unit electromagnetic switching unit connected and second control unit power electromagnet connected and micro controller controlled. |
| CN201821309U (en) * | 2010-06-28 | 2011-05-04 | 中国神华能源股份有限公司 | Control circuit for controlling forward rotation and reverse rotation of motor through PLC (programmable logic controller) |
| CN202004704U (en) * | 2010-12-29 | 2011-10-05 | 浙江金盾风机风冷设备有限公司 | Soft start positive/negative rotation switching device of tunnel large-scale axial fan |
| CN202696523U (en) * | 2012-03-12 | 2013-01-23 | 江苏华众长征电气制造有限公司 | Motor positive/negative rotation circuit |
| CN103001552A (en) * | 2012-09-21 | 2013-03-27 | 北京联合大学生物化学工程学院 | Dual interlocking circuit capable of regularly automatically converting, operating and controlling corotation and inversion of motor |
| CN103117690A (en) * | 2013-02-26 | 2013-05-22 | 贵阳冶金机电工艺有限公司 | Integrated control circuit for manual-automatic forward and reverse rotation of motor |
| CN103166538A (en) * | 2013-04-03 | 2013-06-19 | 安徽理工大学 | Reversible magnetic starter of general power-driven multi-turn execution mechanism |
| CN203233143U (en) * | 2013-03-28 | 2013-10-09 | 上海雷诺尔电子有限公司 | Intelligent motor protector suitable for reversible start-up mode |
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2013
- 2013-12-09 CN CN201310656400.3A patent/CN103618481A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2818006A1 (en) * | 2000-12-12 | 2002-06-14 | Schneider Electric Ind Sa | Electrical motor control/protection unit having switch module with control unit electromagnetic switching unit connected and second control unit power electromagnet connected and micro controller controlled. |
| CN201821309U (en) * | 2010-06-28 | 2011-05-04 | 中国神华能源股份有限公司 | Control circuit for controlling forward rotation and reverse rotation of motor through PLC (programmable logic controller) |
| CN202004704U (en) * | 2010-12-29 | 2011-10-05 | 浙江金盾风机风冷设备有限公司 | Soft start positive/negative rotation switching device of tunnel large-scale axial fan |
| CN202696523U (en) * | 2012-03-12 | 2013-01-23 | 江苏华众长征电气制造有限公司 | Motor positive/negative rotation circuit |
| CN103001552A (en) * | 2012-09-21 | 2013-03-27 | 北京联合大学生物化学工程学院 | Dual interlocking circuit capable of regularly automatically converting, operating and controlling corotation and inversion of motor |
| CN103117690A (en) * | 2013-02-26 | 2013-05-22 | 贵阳冶金机电工艺有限公司 | Integrated control circuit for manual-automatic forward and reverse rotation of motor |
| CN203233143U (en) * | 2013-03-28 | 2013-10-09 | 上海雷诺尔电子有限公司 | Intelligent motor protector suitable for reversible start-up mode |
| CN103166538A (en) * | 2013-04-03 | 2013-06-19 | 安徽理工大学 | Reversible magnetic starter of general power-driven multi-turn execution mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531488A (en) * | 2016-11-25 | 2017-03-22 | 云南电网有限责任公司电力科学研究院 | Anti-reversing device of isolation switch |
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Application publication date: 20140305 |