CN107786131A - A kind of control system for permanent-magnet synchronous motor - Google Patents
A kind of control system for permanent-magnet synchronous motor Download PDFInfo
- Publication number
- CN107786131A CN107786131A CN201610735427.5A CN201610735427A CN107786131A CN 107786131 A CN107786131 A CN 107786131A CN 201610735427 A CN201610735427 A CN 201610735427A CN 107786131 A CN107786131 A CN 107786131A
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- CN
- China
- Prior art keywords
- permasyn morot
- permanent
- control system
- machine driver
- door machine
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The present invention relates to a kind of control system for permanent-magnet synchronous motor, and for realizing the intelligent control to elevator door-motor, the system includes：Permasyn morot, for controlling elevator door-motor to carry out switching manipulation, incremental optical-electricity encoder is provided with the permasyn morot, the incremental optical-electricity encoder is used for the rotating speed and rotor position information for gathering permasyn morot；Door machine driver, for being powered for permasyn morot, obtains the rotating speed and rotor position information of permasyn morot, drives and control permasyn morot；Power-switching circuit, output voltage for change-over gate machine driver, powered for the incremental optical-electricity encoder in permasyn morot, and pulse signal caused by incremental optical-electricity encoder is converted into incremental encoder input signal, transmitted to door machine driver.Compared with prior art, the present invention has the advantages that simple in construction, good speed adjustment features, easy for installation, integrated level is high and practical.
Description
Technical field
The present invention relates to a kind of electric machine control system, more particularly, to a kind of control system for permanent-magnet synchronous motor.
Background technology
Statistics shows, the failure of elevator 70% occurs on door, it is seen that door machine control system to whole elevator device extremely
Close important；Elevator door-motor is the executing agency of elevator switch door, and the quality of elevator door-motor and its control system performance directly affects
To the quality of elevator overall performance.
Elevator door-motor and its control system are mainly divided to two classes：One kind is made up of direct current generator and its governing system, another
Class is made up of alternating current generator and its governing system.Direct -current electric motor performance is excellent, but complicated, and manufacturing cost is high, maintenance workers
Work amount is big, and commutation spark is produced when particularly running.Asynchronous motor control device torque volume ratio in alternating current generator is low, it is impossible to straight
Tape splicing moves the work of door machine, need to install a larger transmission device of volume additional, and adjusting speed accuracy is not high.
The content of the invention
The purpose of the present invention is to provide a kind of control system for permanent-magnet synchronous motor regarding to the issue above.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of control system for permanent-magnet synchronous motor, for realizing the intelligent control to elevator door-motor, the permanent magnet synchronous electric
Machine control system includes：
Permasyn morot, for controlling elevator door-motor to carry out switching manipulation, it is provided with the permasyn morot
Incremental optical-electricity encoder, the incremental optical-electricity encoder are used for the rotating speed for gathering permasyn morot and rotor-position letter
Breath；
Door machine driver, for being powered for permasyn morot, obtain the rotating speed of permasyn morot and turn
Sub- positional information, drive and control permasyn morot；
Power-switching circuit, it is the increment type in permasyn morot for the output voltage of change-over gate machine driver
Photoelectric encoder is powered, and pulse signal caused by incremental optical-electricity encoder is converted into incremental encoder input signal,
Transmit to door machine driver.
The door machine driver includes EV3200 door machine special purpose drivers.
The control system for permanent-magnet synchronous motor also includes data acquisition unit and data processing module, the data acquisition unit
For obtaining the job information of permasyn morot according to the feedback of door machine driver, the data processing module is used for basis
The job information for the permasyn morot that data acquisition unit obtains, realize data collection, data management, data record and report
Table exports.
The job information of the permasyn morot includes voltage, electric current, rotating speed and the frequency of permasyn morot
Rate.
The data acquisition unit includes power analyzer, and the data processing module is realized by LabVIEW.
The power-switching circuit includes：
Signal conversion sub-circuit, for pulse signal caused by incremental optical-electricity encoder to be converted into incremental encoder
Input signal, and the incremental encoder input signal is transmitted to door machine driver；
Three-terminal voltage-stabilizing integrates sub-circuit, and the voltage for door machine driver to be provided is changed, and is compiled for increment photoelectric
Code device power supply.
The signal conversion sub-circuit includes triode component and resistance, and the triode component includes 3 triodes, institute
State 3 triodes to be respectively connected with incremental optical-electricity encoder and resistance, the resistance is connected with door machine driver.
The circuit of three-terminal voltage-stabilizing integrated is connected with door machine driver and incremental optical-electricity encoder respectively, and three end is steady
Anti- self-oscillation electric capacity, the circuit of three-terminal voltage-stabilizing integrated and increment type light are additionally provided between pressure integrated circuit and door machine driver
Low pass electric capacity is additionally provided between photoelectric coder.
The mode of the door machine driver control permasyn morot includes distance controlling mode and universal frequency converter
Panel control mode, the distance controlling mode are specially to implement step-by-step counting to incremental optical-electricity encoder, and it is same to obtain permanent magnetism
Walk the rotating speed and rotor position information of motor；The panel control mode of the universal frequency converter is specially to make door machine driver
For universal frequency converter, the operation of permasyn morot is controlled, stops, rotating and reverse.
The door machine driver is additionally provided with protection module, to permasyn morot occur excessively stream, overvoltage, it is under-voltage,
Braking protection is carried out to permasyn morot when overheat, overload and output phase shortage.
Compared with prior art, the invention has the advantages that：
(1) incremental optical-electricity encoder is set inside permasyn morot, there are simple in construction, good speed adjustment features, turn
The premium properties such as square volume ratio is high, efficiency high and dynamic response are fast.
(2) door machine driver employs EV3200 door machine special purpose drivers, have it is easy for installation, integrated level is high, controlling
Can be remarkable, safe and reliable and versatile the advantages of.
(3) it is versatile due to EV3200 door machine special purpose drivers, thus drive not fellow disciple's machine need to only change driver
Relevant parameter can accomplish, without researching and developing control system for particular system, save cost.
(4) mode of door machine driver control permasyn morot includes the face of distance controlling mode and universal frequency converter
Plate control mode, there is the electric motor protecting functions such as excessively stream, overvoltage, under-voltage, overheat, overload and output phase shortage, can protect forever
The security performance of magnetic-synchro motor, save motor repair and change the cost of motor, improve operating efficiency.
(5) processing, management, record and the export of data are realized by LabVIEW, realizes that speed is fast, cost of implementation is low
And it is easily operated, improve the operating efficiency to data management.
Brief description of the drawings
Fig. 1 is the structural representation of the system；
Wherein, 1 is permasyn morot, and 2 be EV3200 door machine special purpose drivers, and 3 be 3390 power analyzers, and 4 are
Data processing module, 5 be power-switching circuit.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
As shown in figure 1, present embodiments providing a kind of control system for permanent-magnet synchronous motor, compiled using built-in increment photoelectric
The permasyn morot 1 of code device is used as motor, EV3200 door machines special purpose driver 2 is given birth to from Ai Mo, using 3390 work(
Rate analyzer 3 realizes multi-channel data acquisition function, using the graphical author languages of LabVIEW writes flow chart so as to realize
Data processing module 4 realize data collection, data management, record and form export function, built-in increment photoelectric coding
Device is connected by power-switching circuit 5 with the terminal of EV3200 door machines special purpose driver 2, constitutes good speed adjustment features, a reality
When disposal ability is strong, easy to use, the collection data acquisition and intelligent permanent magnet synchronous motor control system of display and writing function.
Wherein power-switching circuit includes signal conversion sub-circuit, for pulse caused by incremental optical-electricity encoder to be believed
Number incremental encoder input signal is converted into, and the incremental encoder input signal is transmitted to door machine driver；Three
Voltage stabilizing is held to integrate sub-circuit, the voltage for door machine driver to be provided is changed, and is powered for incremental optical-electricity encoder.Letter
Number conversion sub-circuit is using the circuit of three NPN low-power transistor 2N3904 and 1K resistance compositions, by photoelectric encoder
Pulse signal change into the incremental encoder input signal that a machine driver can receive；Circuit of three-terminal voltage-stabilizing integrated, by door machine
The DC24V encoder working powers that driver provides are changed into the power supply needed for photoelectric encoder built in DC12V；Three-terminal voltage-stabilizing collection
Input into circuit accesses 0.33 μ F electric capacity, with the inductive effect of bucking circuit, prevents self-oscillation, output termination
Enter 0.1 μ F electric capacity, to filter out the high-frequency signal of output end, improve the transient response of circuit.
The operation principle of the system is specially：Single-phase 220V power supplys are powered to EV3200 door machines special purpose driver 2, and right
EV3200 door machines special purpose driver 2 programs (nominal parameter of setting permasyn morot 1), exports the three-phase electricity of rated frequency
Press to permasyn morot 1, built-in incremental optical-electricity encoder is through power-switching circuit 5 to EV3200 door machine special purpose drivers
2, to obtain motor speed and rotor position information, 3390 power analyzers 3 gather the output voltage of driver 2, current signal, and
Gathered data is delivered into data processing module 4 and carries out data processing.The mode bag of door machine driver control permasyn morot
Include the panel control mode of universal frequency converter, will door machine driver as universal frequency converter use, for controlling permanent-magnet synchronous
The operation and parking of motor, rotate and reverse function, do not perform a machine specific logical flow；Also bag distance controlling mode, realize
There is the control of velocity sensor vector operation, it is real by carrying out implementation step-by-step counting to photoelectric encoder built in permagnetic synchronous motor
The acquisition of the information of existing rotating speed and position.Door machine driver is additionally provided with protection module, to occur in permasyn morot
Braking protection is carried out to permasyn morot when stream, over-pressed, under-voltage, overheat, overload and output phase shortage.During driving gate machine,
With functions such as gate-width self study, optimization switch gate curves.
According to above-mentioned operation principle, a kind of control system for permanent-magnet synchronous motor is provided in the present embodiment and it is controlled
Door machine, this machine and its control system use in practice, type inspection and exfactory inspection for door machine product.Give birth to
The door machine rated power of production is 48.5W, rated voltage 48V, rated current 1.05A, rated frequency 24Hz.EV3200 doors
Machine special purpose driver exports 24V encoder power supplys, through Power convert electromagnetic isolation circuit, exports 12V power supplys to photoelectric encoder
Power supply.The data such as the 3390 power analyzers collection voltage of permasyn morot, electric current, rotating speed, frequency, through LabVIEW numbers
According to routine processes data, data needed for output.
Claims (10)
1. a kind of control system for permanent-magnet synchronous motor, for realizing the intelligent control to elevator door-motor, it is characterised in that it is described forever
Magnetic-synchro electric machine control system includes：
Permasyn morot, for controlling elevator door-motor to carry out switching manipulation, increment is provided with the permasyn morot
Formula photoelectric encoder, the incremental optical-electricity encoder are used for the rotating speed and rotor position information for gathering permasyn morot；
Door machine driver, for being powered for permasyn morot, obtains rotating speed and the rotor position of permasyn morot
Confidence ceases, and drives and controls permasyn morot；
Power-switching circuit, it is the increment photoelectric in permasyn morot for the output voltage of change-over gate machine driver
Encoder is powered, and pulse signal caused by incremental optical-electricity encoder is converted into incremental encoder input signal, is transmitted
To door machine driver.
2. control system for permanent-magnet synchronous motor according to claim 1, it is characterised in that the door machine driver includes
EV3200 door machine special purpose drivers.
3. control system for permanent-magnet synchronous motor according to claim 1, it is characterised in that the permagnetic synchronous motor control
System also includes data acquisition unit and data processing module, and the data acquisition unit is used to be obtained according to the feedback of door machine driver
The job information of permasyn morot, the data processing module are used for the synchronous permanent-magnet motor obtained according to data acquisition unit
The job information of machine, realize data collection, data management, data record and form export.
4. control system for permanent-magnet synchronous motor according to claim 3, it is characterised in that the permasyn morot
Job information includes voltage, electric current, rotating speed and the frequency of permasyn morot.
5. control system for permanent-magnet synchronous motor according to claim 3, it is characterised in that the data acquisition unit includes work(
Rate analyzer, the data processing module are realized by LabVIEW.
6. control system for permanent-magnet synchronous motor according to claim 1, it is characterised in that the power-switching circuit bag
Include：
Signal conversion sub-circuit, for pulse signal caused by incremental optical-electricity encoder to be converted into incremental encoder input
Signal, and the incremental encoder input signal is transmitted to door machine driver；
Three-terminal voltage-stabilizing integrates sub-circuit, and the voltage for door machine driver to be provided is changed, and is incremental optical-electricity encoder
Power supply.
7. control system for permanent-magnet synchronous motor according to claim 6, it is characterised in that the signal conversion sub-circuit bag
Include triode component and resistance, the triode component includes 3 triodes, 3 triodes respectively with increment type light
Photoelectric coder is connected with resistance, and the resistance is connected with door machine driver.
8. control system for permanent-magnet synchronous motor according to claim 6, it is characterised in that the circuit of three-terminal voltage-stabilizing integrated
It is connected respectively with door machine driver and incremental optical-electricity encoder, between circuit of three-terminal voltage-stabilizing integrated and door the machine driver also
Provided with anti-self-oscillation electric capacity, low pass electric capacity is additionally provided between the circuit of three-terminal voltage-stabilizing integrated and incremental optical-electricity encoder.
9. control system for permanent-magnet synchronous motor according to claim 1, it is characterised in that the door machine driver control is forever
The mode of magnetic-synchro motor includes distance controlling mode and the panel control mode of universal frequency converter, the distance controlling mode
Step-by-step counting specially is implemented to incremental optical-electricity encoder, obtains the rotating speed and rotor position information of permasyn morot；
The panel control mode of the universal frequency converter is specially using door machine driver as universal frequency converter, controls synchronous permanent-magnet motor
The operation of machine, stop, rotating and reverse.
10. control system for permanent-magnet synchronous motor according to claim 1, it is characterised in that the door machine driver is also set
Have protection module, to permasyn morot occur excessively stream, overvoltage, it is under-voltage, overheat, overload and output phase shortage when to forever
Magnetic-synchro motor carries out braking protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610735427.5A CN107786131A (en) | 2016-08-26 | 2016-08-26 | A kind of control system for permanent-magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610735427.5A CN107786131A (en) | 2016-08-26 | 2016-08-26 | A kind of control system for permanent-magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107786131A true CN107786131A (en) | 2018-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610735427.5A Pending CN107786131A (en) | 2016-08-26 | 2016-08-26 | A kind of control system for permanent-magnet synchronous motor |
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| CN (1) | CN107786131A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110862002A (en) * | 2019-12-21 | 2020-03-06 | 上海贝思特门机有限公司 | Integrated control driver for elevator door motor |
-
2016
- 2016-08-26 CN CN201610735427.5A patent/CN107786131A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110862002A (en) * | 2019-12-21 | 2020-03-06 | 上海贝思特门机有限公司 | Integrated control driver for elevator door motor |
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