CN102420512A - Synchronous motor device and control method thereof - Google Patents
Synchronous motor device and control method thereof Download PDFInfo
- Publication number
- CN102420512A CN102420512A CN2010102952824A CN201010295282A CN102420512A CN 102420512 A CN102420512 A CN 102420512A CN 2010102952824 A CN2010102952824 A CN 2010102952824A CN 201010295282 A CN201010295282 A CN 201010295282A CN 102420512 A CN102420512 A CN 102420512A
- Authority
- CN
- China
- Prior art keywords
- synchronous machine
- processing unit
- main processing
- control
- mcu main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention provides a synchronous motor device and a control method thereof, wherein the directional rotation of the synchronous motor can be realized, the rotating direction of the synchronous motor can be changed in real time, and the rotating direction of the synchronous motor can be accurately controlled. The invention is implemented by using the technical scheme as follows: the synchronous motor device comprises a synchronous motor and a control system thereof; the synchronous motor comprises a stator, a rotor, an upper end cover and a lower end cover, wherein a detection element for sensing the position of a rotor magnet is fixed on the upper or lower end cover of the synchronous motor or on the stator; and the detection element outputs a signal, and the control system controls the current direction of the stator so as to control the rotating direction of the rotor of the synchronous motor. The detection element is a magnetically sensitive Hall element. The detection element is a photosensitive element.
Description
Technical field
The invention belongs to the control technology field of synchronous machine, be specifically related to synchronous machine device and control method thereof, refer to the single-phase claw-pole permanent magnet synchronous motor that slow-speed of revolution self-starting direction is controlled especially.
Background technology
Turning to of single-phase pawl pole permanent-magnet synchronous machine is very at random, position that stops according to rotor and the input direction decision of stator current when starting, and when rotor receives resistance big, synchronous machine change arbitrarily turns to, and rotation direction is not controlled.The mechanical type mode is adopted in the orientation control of existing single-phase pawl utmost point homochronousness motor usually, and this directed control device life-span is short, and noise is big, and there was a mechanical failure through regular meeting, causes directed failure, even damages motor.
Summary of the invention
The object of the present invention is to provide a kind of synchronous machine device and control method thereof, can realize the directed rotation of synchronous machine, the real time altering synchronous machine turns to, and accomplishes accurately to control the synchronous machine rotation direction.
The present invention realizes through following technical scheme:
The synchronous machine device includes synchronous machine and control system thereof; Said synchronous machine includes stator, rotor and end cap up and down; Wherein, be fixed with on the end cap up and down of said synchronous machine or the stator and be used for inductiopn rotor magnetite position Detection element; Said detecting element output signal, the direction of control system control stator current, thus the control synchronous electric motor rotor turns to.
Said detecting element is magnetosensitive Hall (Hall) element.
Said detecting element is a light-sensitive element.
Said control system includes:
Power module is the MCU Main Processing Unit power supply;
MCU Main Processing Unit according to the information of setting, confirms that synchronous machine turns to, MCU Main Processing Unit output synchronous machine action execution command, indication drive circuit works;
Drive circuit under the control of MCU Main Processing Unit, is carried out action, control synchronous machine work and turning to;
Steering detection circuit detects turning to of synchronous machine, and will detect the feedback information MCU Main Processing Unit;
Current detecting and control circuit detect the sense of current, judge that whether sense of current is that rotor orientation is rotated required direction, and will detect the feedback information MCU Main Processing Unit; MCU Main Processing Unit turns to according to detecting sense of current and rotor, confirms to drive the required sense of current of synchronous machine work;
Operation control circuit through showing and operation interface, is selected necessary order, opens the command information that the control MCU Main Processing Unit has been deposited;
MCU Main Processing Unit is according to the information of steering detection circuit and current detecting and control circuit, and pre-set synchronous machine steering order, and whether decision need change the sense of current of input synchronous machine, thereby controls turning to of synchronous machine.
The control method of above-mentioned synchronous machine device, wherein, MCU Main Processing Unit according to the information of setting, confirms that synchronous machine turns to, MCU Main Processing Unit output synchronous machine action execution command, indication drive circuit works; Drive circuit under the control of MCU Main Processing Unit, is carried out action, control synchronous machine work and turning to; Steering detection circuit detects turning to of synchronous machine, and will detect the feedback information MCU Main Processing Unit; Current detecting and control circuit detect the sense of current, judge that whether sense of current is that rotor orientation is rotated required direction, and will detect the feedback information MCU Main Processing Unit; MCU Main Processing Unit turns to according to detecting sense of current and rotor, confirms to drive the required sense of current of synchronous machine work; Operation control circuit through showing and operation interface, is selected necessary order, opens the command information that the control MCU Main Processing Unit has been deposited; MCU Main Processing Unit is according to the information of steering detection circuit and current detecting and control circuit, and pre-set synchronous machine steering order, and whether decision need change the sense of current of input synchronous machine, thereby controls turning to of synchronous machine.
To sum up, the invention has the beneficial effects as follows:
Synchronous machine device of the present invention and control method thereof, control system includes power module, MCU Main Processing Unit, drive circuit, synchronous machine, steering detection circuit, operation control circuit, current detecting and control circuit are formed jointly.MCU Main Processing Unit is according to the information of steering detection circuit and current detecting and control circuit, and pre-set synchronous machine steering order, and whether decision need change the sense of current of input synchronous machine, thereby controls turning to of synchronous machine.MCU judges the direction of motor, also control according to the Hall element, guarantees that motor rotates by same direction.And in motor operation course, monitor rotor-position in real time, accomplish real-time monitoring, control in real time, and real-time as required control break motor drive direction.Judge the direction of motor, also control according to detecting element, guarantee that motor rotates by same direction.And in motor operation course, monitor rotor-position in real time, accomplish real-time monitoring, control in real time, and real-time as required control break motor drive direction.
Description of drawings
Fig. 1 is the control system theory diagram of synchronous machine device of the present invention.
Fig. 2 is the control system circuit diagram of synchronous machine device of the present invention.
Fig. 3 is the control flow sketch map of the control method of synchronous machine device of the present invention.
Embodiment
The invention discloses a kind of synchronous machine device, include synchronous machine and control system thereof; Said synchronous machine includes stator, rotor and end cap up and down; Wherein, be fixed with on the end cap up and down of said synchronous machine or the stator and be used for inductiopn rotor magnetite position Detection element; Said detecting element output signal, the direction of control system control stator current, thus the control synchronous electric motor rotor turns to.
Said detecting element is magnetosensitive Hall (Hall) element.
Said detecting element is a light-sensitive element.
Like Fig. 1, said control system includes:
Power module is the MCU Main Processing Unit power supply;
MCU Main Processing Unit according to the information of setting, confirms that synchronous machine turns to, MCU Main Processing Unit output synchronous machine action execution command, indication drive circuit works;
Drive circuit under the control of MCU Main Processing Unit, is carried out action, control synchronous machine work and turning to;
Steering detection circuit detects turning to of synchronous machine, and will detect the feedback information MCU Main Processing Unit;
Current detecting and control circuit detect the sense of current, judge that whether sense of current is that rotor orientation is rotated required direction, and will detect the feedback information MCU Main Processing Unit; MCU Main Processing Unit turns to according to detecting sense of current and rotor, confirms to drive the required sense of current of synchronous machine work;
Operation control circuit through showing and operation interface, is selected necessary order, opens the command information that the control MCU Main Processing Unit has been deposited;
MCU Main Processing Unit is according to the information of steering detection circuit and current detecting and control circuit, and pre-set synchronous machine steering order, and whether decision need change the sense of current of input synchronous machine, thereby controls turning to of synchronous machine.
Like Fig. 2, said operation control circuit includes display (LCD/LED) and button;
Said power module includes electric power loop and AC/DC and transforms the loop, and it act as: a, transform the loop through AC/DC, alternating current is converted into direct current (+5V or other DC power supplys), and to MCU and all control loops power supply is provided.B, directly power supply is to the control circuit of synchronous machine and other loads, and synchronous machine and other load under the effect of control circuit, carry out action.
Said drive circuit includes synchronous machine and other load control circuits.
Said steering detection circuit includes synchronous machine oriented detection circuit and detecting element; For detecting the electric motor starting direction; And detection signal is imported MCU Main Processing Unit and MCU Main Processing Unit form the closed feedback control loop, judge the foundation that synchronous machine turns to as control.
The control method of above-mentioned synchronous machine device, wherein, MCU Main Processing Unit according to the information of setting, confirms that synchronous machine turns to, MCU Main Processing Unit output synchronous machine action execution command, indication drive circuit works; Drive circuit under the control of MCU Main Processing Unit, is carried out action, control synchronous machine work and turning to; Steering detection circuit detects turning to of synchronous machine, and will detect the feedback information MCU Main Processing Unit; Current detecting and control circuit detect the sense of current, judge that whether sense of current is that rotor orientation is rotated required direction, and will detect the feedback information MCU Main Processing Unit; MCU Main Processing Unit turns to according to detecting sense of current and rotor, confirms to drive the required sense of current of synchronous machine work; Operation control circuit through showing and operation interface, is selected necessary order, opens the command information that the control MCU Main Processing Unit has been deposited; MCU Main Processing Unit is according to the information of steering detection circuit and current detecting and control circuit, and pre-set synchronous machine steering order, and whether decision need change the sense of current of input synchronous machine, thereby controls turning to of synchronous machine.
Like Fig. 3, the control method of said synchronous machine device specifically comprises the steps:
Step 1: power on;
Step 2: MCU Main Processing Unit data initialization;
Step 3: MCU Main Processing Unit is judged the sense of current;
Step 4: drive circuit, under the control of MCU Main Processing Unit, carry out action, control synchronous machine work and turning to;
Step 5: steering detection circuit, detect turning to of synchronous machine;
Step 6: MCU Main Processing Unit judges whether turning to of synchronous machine be correct, in this way, gets into step 7, as not, gets into step 8;
Step 7: drive circuit continues control synchronous machine work and turns to, and gets into step 9;
Step 8: switch the outbound course of synchronous machine electric current, get into step 4;
Step 9: MCU Main Processing Unit judges whether synchronous machine course of work direction is correct, in this way, gets into step 10, as not, gets into step 4;
Step 10: synchronous machine keeps the direction work of setting.
The magnetosensitive Hall element that is used for detection rotor magnetite position is installed on motor stator, and according to different magnetic poles (the N utmost point or the S utmost point), the signal of Hall output is different, and MCU judges the direction of motor, also control according to the Hall element, guarantees that motor rotates by same direction.And in motor operation course, monitor rotor-position in real time, accomplish real-time monitoring, control in real time, and real-time as required control break motor drive direction.
In control principle figure, detecting element is exactly a Hall magnetosensitive or photosensitive, and its effect is to detect magnetite polarity, and its working method does; The direct voltage of input 5V or other numerical value (according to the difference that the Hall model is selected, voltage is different) exists as magnetic field, just has signal output; Opposed polarity, the output signal is different, is the output high level like the N utmost point; S utmost point output low level, when rotor rotates, just can the output frequency square-wave signal relevant with rotor speed; Square-wave signal is the foundation that MCU judges rotor direction, after the rotor direction judgement is confirmed, selects motor stator to need the direction of input current to get final product.
The orientation of motor is through following method control; 1, initially exports high or low (being exactly the position of rotor magnetite) of square-wave signal according to Hall, 2, the direction of current detection signal input current (input stator coil sense of current, the input of different electric currents; On claw pole stator, produce the magnetic field of different rotary direction); 3, MCU according to setting the motor direction of rotation, carries out orientation control according to top 1,2 information.
Magnetosensitive Hall element is installed on the stator coil frame, and when rotor startup moment, Hall just exports signal, according to Hall output signal, judges the direction of rotor.According to the motor steering of setting, the SCM program judgement needs to give the direction of stator current input current, can accurately control motor steering.In motor operation course, the output signal that Hall is real-time, SCM program real-time judge stator current direction accomplishes accurately to control motor steering.
For detecting element, only magnetosensitive Hall can not select, and light-sensitive element can reach this purpose too, and the practical implementation method does; Black, white or easy two or more colors of distinguishing of other light sensitive components on the rotor cylindrical is evenly schemed, detecting element employing light-sensitive element, same, when rotor rotates, also can export the square-wave signal that supplies the MCU judgement, in order to the control motor steering.
Above-mentioned listed concrete implementation is nonrestrictive, to one skilled in the art, is not departing from the scope of the invention, and various improvement and the variation carried out all belong to protection scope of the present invention.For example, change magnetosensitive Hall element into light-sensitive element, be coated with photosensitive material in order to detection rotor position etc., all in this patent protection range at the rotor cylindrical.
Claims (10)
1. the synchronous machine device includes synchronous machine and control system thereof; Said synchronous machine includes stator, rotor and end cap up and down; It is characterized in that: be fixed with on the end cap up and down of said synchronous machine or the stator and be used for inductiopn rotor magnetite position Detection element; Said detecting element output signal, the direction of control system control stator current, thus the control synchronous electric motor rotor turns to.
2. synchronous machine device according to claim 1 is characterized in that: said detecting element is the magnetosensitive Hall element.
3. synchronous machine device according to claim 1 is characterized in that: said detecting element is a light-sensitive element.
4. according to claim 2 or 3 described synchronous machine devices, it is characterized in that: said control system includes: power module is the MCU Main Processing Unit power supply;
MCU Main Processing Unit according to the information of setting, confirms that synchronous machine turns to, MCU Main Processing Unit output synchronous machine action execution command, indication drive circuit works;
Drive circuit under the control of MCU Main Processing Unit, is carried out action, control synchronous machine work and turning to;
Steering detection circuit detects turning to of synchronous machine, and will detect the feedback information MCU Main Processing Unit;
Current detecting and control circuit detect the sense of current, judge that whether sense of current is that rotor orientation is rotated required direction, and will detect the feedback information MCU Main Processing Unit; MCU Main Processing Unit turns to according to detecting sense of current and rotor, confirms to drive the required sense of current of synchronous machine work;
Operation control circuit through showing and operation interface, is selected necessary order, opens the command information that the control MCU Main Processing Unit has been deposited;
MCU Main Processing Unit is according to the information of steering detection circuit and current detecting and control circuit, and pre-set synchronous machine steering order, and whether decision need change the sense of current of input synchronous machine, thereby controls turning to of synchronous machine.
5. synchronous machine device according to claim 4 is characterized in that: said operation control circuit includes display and button.
6. synchronous machine device according to claim 4; It is characterized in that: said power module includes electric power loop and AC/DC transforms the loop; It act as: a, transform the loop through AC/DC; Alternating current is converted into direct current (+5V or other DC power supplys), and power supply is provided to MCU and all control loops.B, directly power supply is to the control circuit of synchronous machine and other loads, and synchronous machine and other load under the effect of control circuit, carry out action.
7. synchronous machine device according to claim 4 is characterized in that: said drive circuit includes synchronous machine and other load control circuits.
8. synchronous machine device according to claim 4; It is characterized in that: said steering detection circuit includes synchronous machine oriented detection circuit and detecting element; For detecting the electric motor starting direction; And detection signal is imported MCU Main Processing Unit and MCU Main Processing Unit form the closed feedback control loop, judge the foundation that synchronous machine turns to as control.
9. like the control method of the said synchronous machine device of claim 4, it is characterized in that: MCU Main Processing Unit, according to the information of setting, confirm that synchronous machine turns to, MCU Main Processing Unit output synchronous machine action execution command, indication drive circuit works; Drive circuit under the control of MCU Main Processing Unit, is carried out action, control synchronous machine work and turning to; Steering detection circuit detects turning to of synchronous machine, and will detect the feedback information MCU Main Processing Unit; Current detecting and control circuit detect the sense of current, judge that whether sense of current is that rotor orientation is rotated required direction, and will detect the feedback information MCU Main Processing Unit; MCU Main Processing Unit turns to according to detecting sense of current and rotor, confirms to drive the required sense of current of synchronous machine work; Operation control circuit through showing and operation interface, is selected necessary order, opens the command information that the control MCU Main Processing Unit has been deposited; MCU Main Processing Unit is according to the information of steering detection circuit and current detecting and control circuit, and pre-set synchronous machine steering order, and whether decision need change the sense of current of input synchronous machine, thereby controls turning to of synchronous machine.
10. the control method of synchronous machine device according to claim 9 is characterized in that: specifically comprise the steps:
Step 1: power on;
Step 2: MCU Main Processing Unit data initialization;
Step 3: MCU Main Processing Unit is judged the sense of current;
Step 4: drive circuit, under the control of MCU Main Processing Unit, carry out action, control synchronous machine work and turning to;
Step 5: steering detection circuit, detect turning to of synchronous machine;
Step 6: MCU Main Processing Unit judges whether turning to of synchronous machine be correct, in this way, gets into step 7, as not, gets into step 8;
Step 7: drive circuit continues control synchronous machine work and turns to, and gets into step 9;
Step 8: switch the outbound course of synchronous machine electric current, get into step 4;
Step 9: MCU Main Processing Unit judges whether synchronous machine course of work direction is correct, in this way, gets into step 10, as not, gets into step 4;
Step 10: synchronous machine keeps the direction work of setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102952824A CN102420512A (en) | 2010-09-27 | 2010-09-27 | Synchronous motor device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102952824A CN102420512A (en) | 2010-09-27 | 2010-09-27 | Synchronous motor device and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102420512A true CN102420512A (en) | 2012-04-18 |
Family
ID=45944785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102952824A Pending CN102420512A (en) | 2010-09-27 | 2010-09-27 | Synchronous motor device and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102420512A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104980068A (en) * | 2015-03-11 | 2015-10-14 | 刘飞宏 | Control method and device for asynchronous low-rotation-speed stable operation of synchronous motor |
| CN106842020A (en) * | 2016-12-26 | 2017-06-13 | 青岛海尔空调器有限总公司 | The detection method and air-conditioner of the motor setup error of air-conditioner |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201215936Y (en) * | 2008-06-11 | 2009-04-01 | 徐享渊 | Single-phase brushless positive and negative rotation control circuit apparatus |
| CN101707464A (en) * | 2009-12-04 | 2010-05-12 | 北京工业大学 | Anti-reversion starting device of line-start permanent magnet synchronous motor and control method thereof |
-
2010
- 2010-09-27 CN CN2010102952824A patent/CN102420512A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201215936Y (en) * | 2008-06-11 | 2009-04-01 | 徐享渊 | Single-phase brushless positive and negative rotation control circuit apparatus |
| CN101707464A (en) * | 2009-12-04 | 2010-05-12 | 北京工业大学 | Anti-reversion starting device of line-start permanent magnet synchronous motor and control method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104980068A (en) * | 2015-03-11 | 2015-10-14 | 刘飞宏 | Control method and device for asynchronous low-rotation-speed stable operation of synchronous motor |
| CN104980068B (en) * | 2015-03-11 | 2017-10-17 | 刘飞宏 | The asynchronous slow-speed of revolution control method for stably operating of synchronous motor and device |
| CN106842020A (en) * | 2016-12-26 | 2017-06-13 | 青岛海尔空调器有限总公司 | The detection method and air-conditioner of the motor setup error of air-conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105743399B (en) | A kind of D-C brushless electric machine no-position control system and its control method | |
| CN103475282B (en) | A kind of control method of the three-phase direct-current brushless motor of applying single Hall element | |
| CN103078573A (en) | Starting method of brushless DC (Direct Current) motor without Hall sensor | |
| CN103187911A (en) | Brushless direct current motor counter electromotive force phase point detecting method | |
| CN204993122U (en) | Permanent -magnet machine drive circuit | |
| US10295371B2 (en) | Electronic device and magnetic sensor integrated circuit | |
| CN105915130A (en) | Control method and device of sensorless permanent magnet motor used for pump | |
| CN1279687C (en) | Method for positioning first-on rotor for alternating current permanent-magnet synchronous motor control system | |
| CN102684588B (en) | Starting detection device and starting method for permanent magnetic synchronous motor speed sensorless | |
| CN108258950A (en) | The control method that permanent-magnet brushless DC electric machine driving starts | |
| US9966883B2 (en) | Magnetic sensor and an integrated circuit | |
| US10505475B1 (en) | Driving method for single-phase DC brushless motor using sensor only in start-up | |
| CN103201943A (en) | Inverter control device, electric compressor, and electric device | |
| CN102420512A (en) | Synchronous motor device and control method thereof | |
| CN106443523A (en) | Magnetic sensor integrated circuit, signal processing method thereof, motor assembly and application apparatus | |
| CN108880388A (en) | A kind of permanent magnet synchronous motor initial position discrimination method and device | |
| CN204993125U (en) | Motor element , integrated circuit who is used for motor drive , fan and pump | |
| CN107086825A (en) | A kind of permagnetic synchronous motor closed-loop control system | |
| CN109981003A (en) | Direct-current brushless motor, robot and method for detecting rotating speed of direct-current brushless motor | |
| CN207410256U (en) | Brushless DC motor control system | |
| CN205725555U (en) | The efficiency improving device of permagnetic synchronous motor | |
| CN104979982A (en) | Miniature single-phase permanent-magnet synchronous motor | |
| CN105429554A (en) | Control method of switched reluctance driving system for pumping unit | |
| CN205178809U (en) | Fan, pump, motor element and be used for motor drive's integrated circuit | |
| KR101224635B1 (en) | Method and appartus for diagnosising short of motor driving system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120418 |