CN2852525Y - Double-driving single-chip microcomputer PWM control device for brushless DC motor with sensor - Google Patents
Double-driving single-chip microcomputer PWM control device for brushless DC motor with sensor Download PDFInfo
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- CN2852525Y CN2852525Y CNU2005200127441U CN200520012744U CN2852525Y CN 2852525 Y CN2852525 Y CN 2852525Y CN U2005200127441 U CNU2005200127441 U CN U2005200127441U CN 200520012744 U CN200520012744 U CN 200520012744U CN 2852525 Y CN2852525 Y CN 2852525Y
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- brushless
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Abstract
The utility model relates to a dual-drive single-chip microcomputer PWM controller for a brushless DC motor with sensors. The utility model belongs to the application of single-chip microcomputer technique in the field of DC motor control. The utility model comprises two groups of three rotor magnetic steel position sensor signals with hall elements. The utility model is characterized in that by adopting PWM technique, the control of phase change can be realized through the time-shared detection of the conducting relation between three rotor magnetic steel position sensor signals with hall elements and six power tubes. The rotation speed of a brushless DC motor can be controlled through the PMW time-shared control of the electric level signal of a single-chip microcomputer control opening. The control of the phase change, the rotation speed and the starting current of the dual-drive brushless DC motor can be realized through the PWM time-shared control. The utility model adopts single-chip microcomputer time-shared control to realize the dual-drive control of the brushless DC motor, and the utility model is provided with a plurality of interfaces for extending functions. The utility model is widely applied to control the phase change, the rotation speed and the starting current of the brushless DC motor for dual-drive electric vehicles with hall sensors on the front wheel and the back wheel. The utility model increases power and speed, and reduces energy consumption.
Description
Technical field the invention relates to the brushless DC machine double-drive single-chip microcomputer PWM control device that brushless DC machine double-drive single-chip microcomputer control device is particularly related to belt sensor.Belong to singlechip technology in the DC MOTOR CONTROL Application for Field.
Prior art before background technology the invention applying date does not have the brushless DC machine double-drive single-chip microcomputer PWM control device of belt sensor, can't realize double-drive single-chip microcomputer control to brshless DC motor.
The purpose of summary of the invention the invention provides a kind of belt sensor brushless DC machine double-drive single-chip microcomputer PWM control device.
The invention solves the technical scheme that its technical problem adopts: comprise three rotor magnetic steel position sensor signals taking from two groups of band Hall elements.Adopt the PWM technology and detect three rotor magnetic steel position sensor signals of two groups of band Hall elements and the relation between 6 power tube conductings by timesharing, realization commutation control, by PWM timesharing control, realize the rotating speed of brshless DC motor to Single-chip Controlling mouth level signal.By the control of PWM timesharing control realization to commutation, rotating speed and the starting current of two driving brshless DC motors.Three rotor magnetic steel position sensor signals taking from two groups of band Hall elements are connected with the single-chip processor i/o input respectively, the single-chip processor i/o output is connected with two inverter inputs respectively, and two inverter output are connected with the control end of two groups of 6 power tubes respectively.Relation between three three rotor magnetic steel position sensor signal states taking from two groups of band Hall elements and two groups of 6 power tube conductings is left among the EPROM of single-chip microcomputer with form.
The beneficial effect of the invention is: by the control of PWM timesharing control realization to commutation, rotating speed and the starting current of two driving brshless DC motors.Adopt the two drive controlling of single-chip microcomputer timesharing control realization, and leave a plurality of interfaces for the function expansion to brshless DC motor.Be applied to the control of commutation, rotating speed and starting current of the brshless DC motor of front and back wheel dual-driven electric car band Hall element, add high-power, raising speed, energy efficient.
Appended drawings 1 is the electrical schematic diagram of the invention.
Embodiment is consulted Fig. 1.The invention single-chip microcomputer adopts U.S. MICROCHIP company 8-bit microcontroller, and present embodiment adopts PIC16C67.Delivery outlet P1 comprises that I/O (1), I/O (2), I/O (3), I/O (4), I/O (5), I/O (6) are connected with the input of 7406 inverse gate circuit respectively.7406 output respectively with six MOSFET power tube VF
1, VF
3, VF
5, VF
2, VF
4, VF
6Control end be connected; Delivery outlet I/O (13) is connected by the input of resistance with discharge circuit LM324; Delivery outlet P2 comprises that I/O (7), I/O (8), I/O (9), I/O (10), I/O (11), I/O (12) are connected with the input of another 7406 inverse gate circuit respectively; The input of discharge circuit LM324 is by capacitance-resistance device ground connection.Input port P0 comprise I/O (14), I/O (15), I/O (16), I/O (17), I/O (18), I/O (19) respectively with three rotor magnetic steel position sensor signal H that take from two groups of band Hall elements
1, H
2, H
3, H
4, H
5, H
6Be connected.The invention realizes the two rotating speed controls that drive of brshless DC motor by output level being carried out PWM timesharing control.The described PMW of the invention is the pulse width modulation controlled technology, is the turn-on and turn-off of utilizing semiconductor switch device, and direct voltage is become the potential pulse row, and the width or the cycle of control potential pulse are to reach a kind of technology of transformation or frequency conversion purpose.In the process of the normal operation of brshless DC motor, single-chip microcomputer is by detecting the cycle from three rotor magnetic steel position sensor signals of two groups of band Hall elements, calculate rotating speed of motor, and with given rotating speed relatively it, as be higher than given rotating speed, then reduce output numerical value, reduce the electric current of motor, reduce the purpose that its commentaries on classics connects to reach.Otherwise, if the rotating speed that records is lower than given rotating speed, then increase output numerical value, and then the electric current of expanded motor, thereby its rotating speed improved.
Claims (1)
1, a kind of belt sensor brushless DC machine double-drive single-chip microcomputer PWM control device comprises three rotor magnetic steel position transducers of two groups of band Hall elements; It is characterized in that three rotor magnetic steel position sensor signals taking from two groups of band Hall elements are connected with the single-chip processor i/o input respectively, the single-chip processor i/o output is connected with two inverter inputs respectively, and two inverter output are connected with the control end of two groups of 6 power tubes respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200127441U CN2852525Y (en) | 2005-06-24 | 2005-06-24 | Double-driving single-chip microcomputer PWM control device for brushless DC motor with sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200127441U CN2852525Y (en) | 2005-06-24 | 2005-06-24 | Double-driving single-chip microcomputer PWM control device for brushless DC motor with sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2852525Y true CN2852525Y (en) | 2006-12-27 |
Family
ID=37586481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200127441U Expired - Fee Related CN2852525Y (en) | 2005-06-24 | 2005-06-24 | Double-driving single-chip microcomputer PWM control device for brushless DC motor with sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2852525Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448950A (en) * | 2018-05-18 | 2018-08-24 | 宁波欧德意物联科技有限公司 | A kind of method and system controlling electrically operated gate based on double brushless motors |
-
2005
- 2005-06-24 CN CNU2005200127441U patent/CN2852525Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448950A (en) * | 2018-05-18 | 2018-08-24 | 宁波欧德意物联科技有限公司 | A kind of method and system controlling electrically operated gate based on double brushless motors |
| CN108448950B (en) * | 2018-05-18 | 2024-05-07 | 宁波欧德意物联科技有限公司 | Method and system for controlling electric door based on double brushless motors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |