CN105515454A - Four-phase permanent magnet brushless direct current motor servo control system - Google Patents
Four-phase permanent magnet brushless direct current motor servo control system Download PDFInfo
- Publication number
- CN105515454A CN105515454A CN201610088549.XA CN201610088549A CN105515454A CN 105515454 A CN105515454 A CN 105515454A CN 201610088549 A CN201610088549 A CN 201610088549A CN 105515454 A CN105515454 A CN 105515454A
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- China
- Prior art keywords
- triode
- processor
- direct current
- base stage
- magnet brushless
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
Abstract
The invention provides a four-phase permanent magnet brushless direct current motor servo control system. According to the technical scheme, the system comprises a processor. A rotor position detection module for detecting the rotating position of a rotor is arranged and connected with the processor. The processor is connected with a main motor circuit through a light coupling isolation and drive circuit, the main motor circuit is connected with a motor body, the main motor circuit is connected with the processor through a current protection circuit, and in addition, an alarming device for alarming the position of the rotor is connected with the processor. According to the system in the scheme, a Hall sensor is adopted for detecting the position of the rotor of a motor, stable operation of the motor can be guaranteed, the alarming device is arranged, when the rotor deviates, an alarm can be given in time, and faults are avoided.
Description
Technical field
What the present invention relates to is a kind of servo-control system for four phase permanent-magnet brushless direct current machines.
Background technology
In the prior art, known technology is that permanent-magnet brushless DC electric machine relies on its low-power consumption, the advantages such as volume is little, absence of commutator, structure simple, it is large to exert oneself, rotating speed is high, no-spark, noise are low, are widely used in Aero-Space, the field such as electric automobile and daily life.
At present, also little to the research of four phase permanent-magnet brushless DC motor control system both at home and abroad, mostly concentrate in the research of three phase electric machine.But four phase permanent-magnet brushless direct current machines are less than three phase electric machine torque pulsation, motor runs more steadily reliable, can meet the requirement that high stable runs occasion.In recent years, position-sensor-free two kinds is mainly to the position probing of brshless DC motor.Position-sensor-free is to the back electromotive force detection method of Electric Machine Control, and the method operation principle is simple, also easily realizes; But motor low cruise or static time, this method is inapplicable, startup stage need separately design, sometimes may reverse, which adds complexity and the unsteadiness of system.This is the weak point existing for prior art.
Summary of the invention
Object of the present invention is exactly for the deficiency existing for prior art, and a kind of technical scheme of four phase permanent-magnet brushless direct current machine servo-control systems is provided, the system of the program adopts Hall element to detect the position of rotor, can ensure that motor stabilizing runs, and there is alarm, when skew occurs rotor, can report to the police timely, avoid breaking down.
This programme is achieved by the following technical measures: a kind of four phase permanent-magnet brushless direct current machine servo-control systems, comprise processor, the feature of this programme is: have the rotor-position detection module for detection rotor turned position, described rotor-position detection module is connected with described processor, processor is connected with motor main circuit with drive circuit by light-coupled isolation, described motor main circuit is connected with motor body, described motor main circuit is connected with processor by current protecting circuit, in addition, one is had to be connected with described processor for the warning device of reporting to the police to rotor-position, described warning device comprises alarm, and alarm is connected with processor by alarm control circuit.
Described rotor-position detection module is Hall element, and described Hall element is two.Described Hall element is fixed on the edge of DC motor stator circumference.
Described alarm control circuit comprises first triode VT1, the base stage of first triode VT1 is connected with processor, the base stage of first triode VT1 is by first diode D1, slide rheostat RB ground connection, the base stage of first triode VT1 is connected by the first resistance R1 and VCC, the collector electrode of first triode VT1 is connected by the second resistance R2 and VCC, the emitter of first triode VT1 is by the 3rd resistance R3 ground connection, the emitter of first triode VT1 is connected with the base stage of second triode VT2, the base stage of second triode VT2 is by the first electric capacity C1 ground connection, the grounded emitter of second triode VT2, the collector electrode of second triode VT2 is connected by the 4th resistance R4 and VCC, the collector electrode of second triode VT2 is connected with the base stage of the 3rd triode VT3 by the 5th resistance R5, the collector electrode of the 3rd triode VT3 is connected with VCC, the collector electrode of the 3rd triode VT3 is by first voltage-stabiliser tube VD1 ground connection, the emitter of the 3rd triode VT3 is connected with the base stage of the 4th triode VT4, the grounded emitter of the 4th triode VT4, the collector electrode of the 4th triode VT4 is connected with 2 pin of the first chip IC 1, 5 pin of first chip IC 1 are connected with 6 pin, 5 pin of first chip IC 1 are connected with VCC, 7 pin of first chip IC 1 are connected with octal by the 6th resistance R6, 3 pin of first chip IC 1 are connected with the base stage of the 5th triode VT5, the grounded emitter of the 5th triode VT5, the base stage of the 5th triode VT5 is connected with VCC by described alarm.
The first described chip IC 1 is CW9561.
Described VCC is+6V.
The chip that described drive circuit adopts is IR2117.
Described processor is TMS320LF2407A.
Described motor governor circuit comprises four power tubes, and adopt half-bridge to control, each commutation moment only has a power tube conducting.
The beneficial effect of this programme can be learnt according to describing of such scheme, due to have in this scenario position detecting module can timely detection rotor whether in tram; Light-coupled isolation and drive circuit, can realize photoelectricity rapid translating and control motor timely, can also prevent current feedback; Have current protecting circuit, when improper electric current being detected, return in time to processor information, processor controls motor and quits work, protection motor; Motor governor circuit comprises four power tubes, and adopt half-bridge to control, each commutation moment only has a power tube conducting.When skew occurs rotor-position, processor can control alarm control circuit and drive alarm equipment alarm.As can be seen here, compared with prior art, have outstanding substantive distinguishing features and significant progress, its beneficial effect implemented also is apparent in the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention.
Fig. 2 is the circuit diagram of alarm control circuit.
Embodiment
For the technical characterstic of this programme can be clearly demonstrated, below by an embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
Can be found out by accompanying drawing, the one four phase permanent-magnet brushless direct current machine servo-control system of this programme, comprise processor, there is the rotor-position detection module for detection rotor turned position, described rotor-position detection module is connected with described processor, processor is connected with motor main circuit with drive circuit by light-coupled isolation, described motor main circuit is connected with motor body, described motor main circuit is connected with processor by current protecting circuit, in addition, one is had to be connected with described processor for the warning device of reporting to the police to rotor-position; Described warning device comprises alarm, and alarm is connected with processor by alarm control circuit.Described rotor-position detection module is Hall element, and described Hall element is two.Described Hall element is fixed on the edge of DC motor stator circumference.The chip that described drive circuit adopts is IR2117.Described processor is TMS320LF2407A.Described motor governor circuit comprises four power tubes, and adopt half-bridge to control, each commutation moment only has a power tube conducting.
Described alarm control circuit comprises first triode VT1, the base stage of first triode VT1 is connected with processor, the base stage of first triode VT1 is by first diode D1, slide rheostat RB ground connection, the base stage of first triode VT1 is connected by the first resistance R1 and VCC, the collector electrode of first triode VT1 is connected by the second resistance R2 and VCC, the emitter of first triode VT1 is by the 3rd resistance R3 ground connection, the emitter of first triode VT1 is connected with the base stage of second triode VT2, the base stage of second triode VT2 is by the first electric capacity C1 ground connection, the grounded emitter of second triode VT2, the collector electrode of second triode VT2 is connected by the 4th resistance R4 and VCC, the collector electrode of second triode VT2 is connected with the base stage of the 3rd triode VT3 by the 5th resistance R5, the collector electrode of the 3rd triode VT3 is connected with VCC, the collector electrode of the 3rd triode VT3 is by first voltage-stabiliser tube VD1 ground connection, the emitter of the 3rd triode VT3 is connected with the base stage of the 4th triode VT4, the grounded emitter of the 4th triode VT4, the collector electrode of the 4th triode VT4 is connected with 2 pin of the first chip IC 1, 5 pin of first chip IC 1 are connected with 6 pin, 5 pin of first chip IC 1 are connected with VCC, 7 pin of first chip IC 1 are connected with octal by the 6th resistance R6, 3 pin of first chip IC 1 are connected with the base stage of the 5th triode VT5, the grounded emitter of the 5th triode VT5, the base stage of the 5th triode VT5 is connected by described alarm B and VCC.The first described chip IC 1 is CW9561.Described VCC is+6V.
The present invention is not limited in above-mentioned embodiment, the change that those of ordinary skill in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (8)
1. a phase permanent-magnet brushless direct current machine servo-control system, comprise processor, it is characterized in that: have the rotor-position detection module for detection rotor turned position, described rotor-position detection module is connected with described processor, processor is connected with motor main circuit with drive circuit by light-coupled isolation, described motor main circuit is connected with motor body, described motor main circuit is connected with processor by current protecting circuit, in addition, one is had to be connected with described processor for the warning device of reporting to the police to rotor-position;
Described warning device comprises alarm, and alarm is connected with processor by alarm control circuit.
2. four phase permanent-magnet brushless direct current machine servo-control systems according to claim 1, it is characterized in that: described rotor-position detection module is Hall element, and described Hall element are two.
3. four phase permanent-magnet brushless direct current machine servo-control systems according to claim 1, it is characterized in that: described alarm control circuit comprises first triode VT1, the base stage of first triode VT1 is connected with processor, the base stage of first triode VT1 is by first diode D1, slide rheostat RB ground connection, the base stage of first triode VT1 is connected by the first resistance R1 and VCC, the collector electrode of first triode VT1 is connected by the second resistance R2 and VCC, the emitter of first triode VT1 is by the 3rd resistance R3 ground connection, the emitter of first triode VT1 is connected with the base stage of second triode VT2, the base stage of second triode VT2 is by the first electric capacity C1 ground connection, the grounded emitter of second triode VT2, the collector electrode of second triode VT2 is connected by the 4th resistance R4 and VCC, the collector electrode of second triode VT2 is connected with the base stage of the 3rd triode VT3 by the 5th resistance R5, the collector electrode of the 3rd triode VT3 is connected with VCC, the collector electrode of the 3rd triode VT3 is by first voltage-stabiliser tube VD1 ground connection, the emitter of the 3rd triode VT3 is connected with the base stage of the 4th triode VT4, the grounded emitter of the 4th triode VT4, the collector electrode of the 4th triode VT4 is connected with 2 pin of the first chip IC 1, 5 pin of first chip IC 1 are connected with 6 pin, 5 pin of first chip IC 1 are connected with VCC, 7 pin of first chip IC 1 are connected with octal by the 6th resistance R6, 3 pin of first chip IC 1 are connected with the base stage of the 5th triode VT5, the grounded emitter of the 5th triode VT5, the base stage of the 5th triode VT5 is connected with VCC by described alarm.
4. four phase permanent-magnet brushless direct current machine servo-control systems according to claim 3, is characterized in that: the first described chip IC 1 is CW9561.
5. four phase permanent-magnet brushless direct current machine servo-control systems according to claim 3, is characterized in that: described VCC is+6V.
6. four phase permanent-magnet brushless direct current machine servo-control systems according to claim 1, is characterized in that: the chip that described drive circuit adopts is IR2117.
7. four phase permanent-magnet brushless direct current machine servo-control systems according to claim 1, is characterized in that: described processor is TMS320LF2407A.
8. four phase permanent-magnet brushless direct current machine servo-control systems according to claim 1, is characterized in that: described motor governor circuit comprises four power tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610088549.XA CN105515454A (en) | 2016-02-17 | 2016-02-17 | Four-phase permanent magnet brushless direct current motor servo control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610088549.XA CN105515454A (en) | 2016-02-17 | 2016-02-17 | Four-phase permanent magnet brushless direct current motor servo control system |
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| CN105515454A true CN105515454A (en) | 2016-04-20 |
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| CN201610088549.XA Pending CN105515454A (en) | 2016-02-17 | 2016-02-17 | Four-phase permanent magnet brushless direct current motor servo control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026852A (en) * | 2016-06-28 | 2016-10-12 | 无锡新大力电机有限公司 | Control system of motor |
| CN110311996A (en) * | 2018-03-20 | 2019-10-08 | 广东欧珀移动通信有限公司 | Skid off the control method, detection components and electronic device of component |
| CN110307775A (en) * | 2018-03-20 | 2019-10-08 | 广东欧珀移动通信有限公司 | Skid off method for detecting position, detection components and the electronic device of component |
| CN110311997A (en) * | 2018-03-20 | 2019-10-08 | 广东欧珀移动通信有限公司 | Skid off method for detecting position, detection components and the electronic device of component |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026852A (en) * | 2016-06-28 | 2016-10-12 | 无锡新大力电机有限公司 | Control system of motor |
| CN110311996A (en) * | 2018-03-20 | 2019-10-08 | 广东欧珀移动通信有限公司 | Skid off the control method, detection components and electronic device of component |
| CN110307775A (en) * | 2018-03-20 | 2019-10-08 | 广东欧珀移动通信有限公司 | Skid off method for detecting position, detection components and the electronic device of component |
| CN110311997A (en) * | 2018-03-20 | 2019-10-08 | 广东欧珀移动通信有限公司 | Skid off method for detecting position, detection components and the electronic device of component |
| CN110311997B (en) * | 2018-03-20 | 2021-04-13 | Oppo广东移动通信有限公司 | Position detection method of slide-out assembly, detection assembly and electronic device |
| CN110311996B (en) * | 2018-03-20 | 2021-04-13 | Oppo广东移动通信有限公司 | Control method of sliding-out assembly, detection assembly and electronic device |
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Application publication date: 20160420 |
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