CN107592038A - A kind of home rice whitener system of brushless electric machine servo controller driving - Google Patents
A kind of home rice whitener system of brushless electric machine servo controller driving Download PDFInfo
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- CN107592038A CN107592038A CN201711043793.5A CN201711043793A CN107592038A CN 107592038 A CN107592038 A CN 107592038A CN 201711043793 A CN201711043793 A CN 201711043793A CN 107592038 A CN107592038 A CN 107592038A
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- electrically connected
- servo controller
- brushless
- circuit
- motor
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Abstract
The invention discloses a kind of home rice whitener system of brushless electric machine servo controller driving,Including servo controller,Brushless servo motor,Man-machine interface and other peripheral hardwares,Servo controller is by rectification circuit,Inversion circuit,Switching Power Supply and digital signal processor composition,One end of rectification circuit is electrically connected with the power supply,The other end of rectification circuit is electrically connected with inversion circuit and Switching Power Supply respectively,Inversion circuit is electrically connected with by triple line and brushless servo motor,Based on BLDC control technologies,Using bus current detection and intervention techniques and busbar voltage detection feed-forward technique control brushless servo motor,Realize current of electric,Torque and speed accurately control,The control of detection and output peripheral hardware signal in combination with input peripheral signal,Realize high performance SERVO CONTROL,Long lifespan,Efficiency high,Temperature rise is low,The regulation of speed and steering indicating light can be realized,Reliability is high.
Description
Technical field
The present invention relates to Mechanical course field, a kind of specific home rice whitener system of brushless electric machine servo controller driving
System.
Background technology
Brush direct current motor is commutated using mechanical brush, and brush life is short, motor using a period of time after, it is necessary to
Open motor and change carbon brush, waste time and energy, brush direct current motor is less efficient, and it is big that the motor feels hot, and output torque is relatively low, and direct current has
Brush motor can not realize speed and turn to and adjust that light sensitive component is easily disturbed by dust.
The content of the invention
For existing the problems of the brush motor at present of this solution, it is an object of the invention to realize high performance servo control
System, using electronic commutation, without changing carbon brush, long lifespan, efficiency high, temperature rise is low, and motor overload ability is strong, using newest electricity
Power electron controls technology, it is possible to achieve the regulation of speed and steering indicating light, judge to have material and without material according to load current detection, no
It is affected by the external environment, reliability is high, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of family of brushless electric machine servo controller driving
With rice mill system, including servo controller, brushless servo motor, man-machine interface and other peripheral hardwares, the servo controller by
Rectification circuit, inversion circuit, Switching Power Supply and digital signal processor composition, one end of rectification circuit are electrically connected with the power supply,
The other end of rectification circuit is electrically connected with inversion circuit and Switching Power Supply respectively, and inversion circuit passes through triple line and brushless servo
Motor is electrically connected with, and the rectification circuit also passes through busbar voltage and the input of bus current and digital signal processor respectively
It is electrically connected with, brushless servo motor is electrically connected with by rate signal and position signalling with digital signal processor respectively, numeral
The input of signal processor is also electrically connected with man-machine interface and other peripheral hardwares, and the output end of digital signal processor electrically connects
It is connected to inversion circuit and other peripheral hardwares.
Preferably, brushless servo motor is made up of motor body, position sensor and electronic switch circuit, position sensing
Device and electronic switch circuit are electrically connected with, and soldering has the first power switch pipe, the second power switch respectively on electronic switch circuit
Pipe and the 3rd power switch pipe, the first power switch pipe, the second power switch pipe and the 3rd power switch pipe respectively with motor
The threephase stator winding of body interior connects.
Preferably, position sensor is made up of the magnetic Hall device of three 120 degree of differences, and magnetic Hall device is uniformly inserted
Enter to one end of motor body internal stator.
Preferably, bus current detection and intervention module, bus current intervention are installed on the bus current of rectification circuit
Module sets the bus current upper limit.
Preferably, female pressure voltage detecting feed-forward module is installed in the busbar voltage of rectification circuit, bus current detection and
Intervention module and female pressure voltage detecting feed-forward module are connected with pi regulator.
Compared with prior art, the beneficial effects of the invention are as follows：The family expenses husk rice of this brushless electric machine servo controller driving
Machine system, based on BLDC control technologies, controlled using bus current detection and intervention techniques and busbar voltage detection feed-forward technique
Brushless servo motor, realize that current of electric, torque and speed accurately control, detection in combination with input peripheral signal and defeated
Go out the control of peripheral hardware signal, realize high performance SERVO CONTROL, using electronic commutation, without changing carbon brush, long lifespan, efficiency
Height, temperature rise is low, and motor overload ability is strong, using newest power electronics control technology, it is possible to achieve the tune of speed and steering indicating light
Section, judge to have material according to load current detection and without material, be not affected by the external environment, reliability is high.
Brief description of the drawings
Fig. 1 is the overall theory diagram of the present invention；
Fig. 2 is the brushless servo motor structure chart of the present invention；
Fig. 3 is the brushless servo motor half-controlled bridge circuit theory diagrams of the present invention；
Fig. 4 is bus current detection and the intervention module block diagram of the present invention；
Fig. 5 is female pressure voltage detecting feed-forward module block diagram of the present invention；
Fig. 6 is the system overall circuit schematic diagram of the present invention.
In figure：1 servo controller, 11 rectification circuits, 12 inversion circuits, 13 Switching Power Supplies, 14 digital signal processors, 2
Brushless servo motor, 21 motor bodies, 22 position sensors, 23 electronic switch circuits, 231 first power switch pipes, 232
Two power switch pipes, 233 the 3rd power switch pipes, 3 man-machine interfaces, 4 other peripheral hardwares.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1-6, a kind of home rice whitener system of brushless electric machine servo controller driving, including servo controller
1st, brushless servo motor 2, man-machine interface 3 and other peripheral hardwares 4, servo controller 1 is by rectification circuit 11, inversion circuit 12, switch
Power supply 13 and digital signal processor 14 are formed, and one end of rectification circuit 11 is electrically connected with the power supply, rectification circuit 11 it is another
End is electrically connected with inversion circuit 12 and Switching Power Supply 13 respectively, and inversion circuit 12 passes through triple line and the electricity of brushless servo motor 2
Property connection, rectification circuit 11 also electrically connected by the input of busbar voltage and bus current and digital signal processor 14 respectively
Connect, bus current detection and intervention module are installed on the bus current of rectification circuit 11, the setting of bus current intervention module is female
The line current upper limit, monitors bus current in real time, and the output of time update speed ring pi regulator is to suppress bus if breasting the tape
Electric current, it is allowed to be no more than limiting value all the time, so as to ensure reliable maximum output current for a long time.Specific implementation introduces speed ring
Feedover link, is calculated by winding back emf, and then removing speed ring error history accumulates, and it is defeated to finally give speed ring
Go out, be provided with the busbar voltage of rectification circuit 11 female pressure voltage detecting feed-forward module, bus current detection and intervention module and
Mother's pressure voltage detecting feed-forward module is connected with pi regulator, and when load changing, motor meeting stall, motor followability are not allowed
Easily carry out, this project introduces the real-time detection of busbar voltage, with reference to the load characteristic of rice mill, introduces velocity feed forward control
System, relatively good solves because velocity perturbation caused by load changing, and faster, speed is more steady for motor response speed, brushless
Servomotor 2 is electrically connected with by rate signal and position signalling and digital signal processor 14 respectively, digital signal processor
14 input is also electrically connected with man-machine interface 3 and other peripheral hardwares 4, and the output end of digital signal processor 14 is electrically connected with
Inversion circuit 12 and other peripheral hardwares 4, brushless servo motor 2 is by motor body 21, position sensor 22 and electronic switch circuit
23 compositions, position sensor 22 and electronic switch circuit 23 are electrically connected with, and position sensor 22 is by three magnetic for differing 120 degree
Hall device forms, and magnetic Hall device is uniformly inserted into one end of the internal stator of motor body 21, by installed in rotor
On magnet steel Hall effect effect, magnetic field is applied to successively on hall device, and according to the different output shapes of three Halls
State change detects the position of rotor magnetic pole, so, with the rotation of rotor, stator winding position sensor VP1,
Under VP2, VP3 control, it can successively be fed with the phase of a phase one, the commutation of each phase winding electric current be realized, in commutation process
In, the rotating excitation field that each phase winding of stator is formed in working gas gap is great-jump-forward, and this rotating excitation field is in 360 degree of electric angles
There are three kinds of magnetic state in the range of degree, every kind of magnetic state continues 120 degree of electrical angles, each phase winding electric current and motor rotor magnetic field
Correlation, a are the first state, and Fo is caused magnetomotive force after winding A-A ' is powered, it is clear that winding current and rotor magnetic
The interaction of field, is rotated in a clockwise direction rotor；After turning over 120 degree of electrical angles, just into the second state, at this moment winding
A-A ' is powered off, and B-B ' is powered therewith, i.e., magnetic field caused by stator winding has turned over 120 degree, and motor stator continues along suitable
Clockwise rotates；Turn 120 degree of electrical angles again, just into the third state, at this moment winding B-B ' is powered off, and C-C ' is powered, stator around
Magnetic field caused by group has turned over 120 degree of electrical angles again, and it continues after driving rotor to turn over 120 degree of electrical angles along clockwise direction
It is then restored to original state, soldering has the first power switch pipe 231, the second power switch pipe respectively on electronic switch circuit 23
232 and the 3rd power switch pipe 233, the first power switch pipe 231, the second power switch pipe 232 and the 3rd power switch pipe 233
Connect respectively with the threephase stator winding inside motor body 21, its stator winding is made generally in multiphase (three-phase, four phases, five
Mutually), rotor by permanent-magnet steel by certain number of pole-pairs (2p=2,4 ...) composition, threephase stator winding respectively with electronic switch
Corresponding device for power switching is coupled in circuit, A, B, C phase winding respectively with the first power switch pipe 231, the second power switch
The power switch pipe 233 of pipe 232 and the 3rd connects, when a certain phase of stator winding is powered, the electric current and rotor permanent-magnet steel
Magnetic field interaction caused by magnetic pole and produce torque, driving rotor rotation, then by position sensor 22 by rotor magnetic steel position
Put and be transformed into electric signal, go to control electronic switch circuit 23, so that stator items winding turns in a certain order, stator is mutually electric
The commutation according to a certain order with the change of rotor-position is flowed, because the conducting order of electronic switch circuit 23 is and angle of rotor
Synchronous, thus the commutation effect of mechanical commutator is served, based on BLDC control technologies, detected and intervened using bus current
Technology and busbar voltage detection feed-forward technique control brushless servo motor 2, realize that current of electric, torque and speed accurately control,
The control of detection and output peripheral hardware signal in combination with input peripheral signal (such as optical signal, magnetic signal), realizes high property
The SERVO CONTROL of energy, using electronic commutation, without changing carbon brush, long lifespan, efficiency high, temperature rise is low, and motor overload ability is strong, adopts
With newest power electronics control technology, it is possible to achieve the regulation of speed and steering indicating light, judge to have according to load current detection
Expect and without material, be not affected by the external environment, reliability is high.
In summary, the home rice whitener system of brushless electric machine servo controller driving proposed by the present invention, based on BLDC
Control technology, brushless servo motor 2 is controlled using bus current detection and intervention techniques and busbar voltage detection feed-forward technique, it is real
Existing current of electric, torque and speed accurately control, the control of detection and output peripheral hardware signal in combination with input peripheral signal
System, realizes high performance SERVO CONTROL, using electronic commutation, without changing carbon brush, long lifespan, efficiency high, temperature rise is low, motor mistake
Loading capability is strong, using newest power electronics control technology, it is possible to achieve the regulation of speed and steering indicating light, examined according to load current
Survey to judge to have material and without material, not be affected by the external environment, reliability is high.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of home rice whitener system of brushless electric machine servo controller driving, including servo controller (1), brushless servo electricity
Machine (2), man-machine interface (3) and other peripheral hardwares (4), it is characterised in that the servo controller (1) is by rectification circuit (11), inverse
Become loop (12), Switching Power Supply (13) and digital signal processor (14) composition, one end of rectification circuit (11) and power supply are electrical
Connection, the other end of rectification circuit (11) are electrically connected with inversion circuit (12) and Switching Power Supply (13) respectively, inversion circuit
(12) be electrically connected with by triple line and brushless servo motor (2), the rectification circuit (11) also respectively by busbar voltage and
The input of bus current and digital signal processor (14) is electrically connected with, and brushless servo motor (2) passes through rate signal respectively
It is electrically connected with position signalling and digital signal processor (14), the input of digital signal processor (14) is also electrically connected with
Man-machine interface (3) and other peripheral hardwares (4), the output end of digital signal processor (14) are electrically connected with inversion circuit (12) and its
His peripheral hardware (4).
2. the home rice whitener system of brush motor servo controller driving as claimed in claim 1, it is characterised in that：It is brushless to watch
Take motor (2) to be made up of motor body (21), position sensor (22) and electronic switch circuit (23), position sensor (22)
It is electrically connected with electronic switch circuit (23), soldering has the first power switch pipe (231), the respectively on electronic switch circuit (23)
Two power switch pipes (232) and the 3rd power switch pipe (233), the first power switch pipe (231), the second power switch pipe
(232) connect with threephase stator winding of the 3rd power switch pipe (233) respectively with motor body (21) inside.
3. the home rice whitener system of brush motor servo controller driving as claimed in claim 2, it is characterised in that：Position passes
Sensor (22) is made up of the magnetic Hall device of three 120 degree of differences, and magnetic Hall device is uniformly inserted into motor body
(21) one end of internal stator.
4. the home rice whitener system of brush motor servo controller driving as claimed in claim 1, it is characterised in that：Rectified current
Bus current detection and intervention module are installed, bus current intervention module is set on bus current on the bus current on road (11)
Limit.
5. the home rice whitener system of brush motor servo controller driving as claimed in claim 1, it is characterised in that：Rectified current
Female pressure voltage detecting feed-forward module, bus current detection and intervention module and female piezoelectricity pressure are installed in the busbar voltage on road (11)
Detection feed-forward module is connected with pi regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043793.5A CN107592038A (en) | 2017-10-31 | 2017-10-31 | A kind of home rice whitener system of brushless electric machine servo controller driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043793.5A CN107592038A (en) | 2017-10-31 | 2017-10-31 | A kind of home rice whitener system of brushless electric machine servo controller driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107592038A true CN107592038A (en) | 2018-01-16 |
Family
ID=61043972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711043793.5A Pending CN107592038A (en) | 2017-10-31 | 2017-10-31 | A kind of home rice whitener system of brushless electric machine servo controller driving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107592038A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1955868A (en) * | 2006-09-20 | 2007-05-02 | 哈尔滨工程大学 | DSP-based electric machine position servo device |
| CN202261131U (en) * | 2011-09-15 | 2012-05-30 | 威海克莱特机电有限公司 | Driving device for integrated brushless direct current motor |
| CN203423640U (en) * | 2013-07-05 | 2014-02-05 | 无锡商业职业技术学院 | Direct-current brushless servo control system |
| CN205334206U (en) * | 2015-12-28 | 2016-06-22 | 西京学院 | Digit AC servo control system |
-
2017
- 2017-10-31 CN CN201711043793.5A patent/CN107592038A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1955868A (en) * | 2006-09-20 | 2007-05-02 | 哈尔滨工程大学 | DSP-based electric machine position servo device |
| CN202261131U (en) * | 2011-09-15 | 2012-05-30 | 威海克莱特机电有限公司 | Driving device for integrated brushless direct current motor |
| CN203423640U (en) * | 2013-07-05 | 2014-02-05 | 无锡商业职业技术学院 | Direct-current brushless servo control system |
| CN205334206U (en) * | 2015-12-28 | 2016-06-22 | 西京学院 | Digit AC servo control system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200623 Address after: 323000 Zhejiang Province, Lishui city Liandu District Park Town Street No. 798 Applicant after: ZHEJIANG YUNLIANG TECHNOLOGY Co.,Ltd. Address before: 323010 Zhejiang Province, Lishui city Liandu District Park Town Street No. 798 Applicant before: ZHEJIANG AEROSTAR MOTOR Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180116 |