CN203313110U - Self-adaptive driver of brushless direct current motor - Google Patents
Self-adaptive driver of brushless direct current motor Download PDFInfo
- Publication number
- CN203313110U CN203313110U CN2013202652231U CN201320265223U CN203313110U CN 203313110 U CN203313110 U CN 203313110U CN 2013202652231 U CN2013202652231 U CN 2013202652231U CN 201320265223 U CN201320265223 U CN 201320265223U CN 203313110 U CN203313110 U CN 203313110U
- Authority
- CN
- China
- Prior art keywords
- motor
- inverter
- driver
- feedback circuit
- corrector
- 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.)
- Expired - Fee Related
Links
- 230000003044 adaptive effect Effects 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract 2
- 230000004069 differentiation Effects 0.000 abstract 1
- 230000009189 diving Effects 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Landscapes
- Control Of Multiple Motors (AREA)
Abstract
Provided is a self-adaptive driver of a brushless direct current motor. The self-adaptive driver of the brushless direct current motor is a DSP (Digital Signal Processor) control system circuit, which comprises a comparator, a PID (Proportion Integration Differentiation) controller, a PWM (Pulse-Width Modulation) controller, an inverter and a dual closed-loop feedback circuit, wherein the output of the inverter is connected with a motor; the dual closed-loop feedback circuit comprises a current feedback circuit and a voltage feedback circuit; a driving sequence corrector is arranged between the PID controller and the PWM controller; the voltage feedback circuit is provided with an interval calculation module and a rotating speed calculation module; the interval calculation module is connected with the inverter, the driving sequence corrector and the rotating speed calculation module; and the rotating speed calculation module is connected with the comparator and the driving sequence corrector. As the arranged driving sequence corrector can be used for automatically correcting each phase driving sequences of the motor, the current direction of the three-phase motor is adaptive to the position of a rotor, the driver can be matched with brushless direct current motors of different wiring methods for normal diving, and the driver is suitable for the brushless direct current motors.
Description
Technical field
The utility model relates to the driver of direct current machine, particularly can automatically adapt to the driver of the brshless DC motor of the arbitrary mode of connection of equal-wattage.
Background technology
In recent years, along with the development of power electronic technology, microelectric technique and novel magnetic material, the advantages such as brshless DC motor (BLDCM) is little, lightweight with its original volume, efficiency is high, moment is large, good speed adjustment features obtain a wide range of applications in fields such as Digit Control Machine Tool, robot, electric motor car, household electrical appliances, business automation equipments.With respect to the common DC motor brshless DC motor have simple in structure, easy to maintenance, life-span long, without advantages such as commutation sparks; With respect to AC induction motor have control simple, without excitation loss, power factor advantages of higher.
On market, most of brshless DC motor must be equipped with driver correspondingly, all can not be compatible between a lot of drivers.Different requirements due to operational environment; often can use different direct current machines; this just need to be equipped with different drivers simultaneously; when the different motor of coupling back panel wiring; driver can't be adjusted drive sequences automatically, causes the direction of motor three-phase current and rotor-position not to mate, and motor can't normally move even and burn; this has inconvenience and occupied fund to equipment control, maintenance.
Chinese utility model patent CN 201690406 U have announced a kind of permanent magnetic brushless direct-current motor driver, comprise switching power circuit, level shifting circuit, power model, the PMSM motor, the busbar voltage testing circuit, the PWM change-over circuit, photoelectric encoder, CPU and host computer, switching power circuit one end is connected with power model, one end is connected with CPU by level conversion switch, CPU is connected with power model by the PWM change-over circuit, the DC310V input is connected with the PMSM motor, the PMSM motor is connected, the PMSM motor is connected with photoelectric encoder, photoelectric encoder is connected with CPU, , the power model three-phase is exported the DC310V input that is connected with CPU simultaneously and is connected with the busbar voltage testing circuit, the busbar voltage testing circuit is connected with CPU.Although this utility model has reached the purpose of utilizing back electromotive force method judgement rotor-position, but its collection to the inverter data and processing are too simple, driver can't adapt to motor automatically, if, while with unconventional motor, mating, often do not drive even motor damage or driver.
Summary of the invention
The utility model is the shortcoming existed in order to overcome above prior art, its technical scheme provided is to provide intelligent each phase drive sequences of motor of revising of a kind of energy, mates the driver that can work with the brshless DC motor of the arbitrary mode of connection of equal-wattage.
For this reason, the utility model provides a kind of brshless DC motor adaptive driver, this brshless DC motor adaptive driver is DSP control system circuit, comprise comparator, PID controller, PWM controller, inverter and two closed-loop feedback circuit, inverter output connects motor, and two closed-loop feedback circuits comprise current feedback circuit and voltage feedback circuit, are provided with the drive sequences corrector between described PID controller and PWM controller.The drive sequences corrector is revised the triggering signal of PWM controller output automatically, to revise duty ratio and the turn-on cycle number of inverter, finally reaches the purpose of controlling brshless DC motor.Voltage feedback circuit is provided with interval computing module and rotating speed computing module, and interval computing module connects inverter, drive sequences corrector and rotating speed computing module, and the rotating speed computing module connects comparator and drive sequences corrector.Voltage sampling circuit detects phase voltage, calculates between region trochanterica, sends into the drive sequences corrector, then calculates rotor speed, sends into comparator and drive sequences corrector, and the setting of two closed-loop feedback control systems makes the more stable of driver.
As brshless DC motor adaptive driver described in the utility model is further illustrated, the current feedback circuit entrance connects inverter, and the current feedback circuit outlet connects the drive sequences corrector.Current sampling circuit detects the inverter output current, through analog input module, sends into the drive sequences corrector,
As brshless DC motor adaptive driver described in the utility model is further illustrated, this driver is provided with warning device, and warning device connects fault detection module, and fault detection module connects inverter.In the time of the inverter abnormal, fault detection module can be sent signal to alarm module, and final PWM controller can stop inverter being sent to triggering signal.
As brshless DC motor adaptive driver described in the utility model is further illustrated, DSP control system circuit adopts the DSPIC30F5015 motor control chip.
The beneficial effects of the utility model are: the drive sequences corrector be provided with due to the utility model, the drive sequences corrector can be revised each phase drive sequences of motor automatically, the sense of current and the rotor-position of three phase electric machine are adapted, and from the brshless DC motor of the different modes of connection, mating can driven.
The accompanying drawing explanation
Fig. 1 is the control principle drawing of brshless DC motor adaptive driver described in the utility model;
Fig. 2 is the schematic circuit of brshless DC motor adaptive driver described in the utility model;
Fig. 3 is the workflow diagram of brshless DC motor adaptive driver described in the utility model;
In figure: 1-drive sequences corrector, 11-comparator, 12-PID controller, 13-rotating speed computing module, 14-PWM controller, 15-alarm module, 16-input module, the interval computing module of 17-, 2-inverter, 3-motor, 4-fault detection module.
Embodiment
In figure, only indicate the main position relevant to the utility model, as shown in Figure 1, the utility model provides a kind of brshless DC motor adaptive driver, comprise PWM controller 14, alarm module 15, input module 16 and two closed loop feedback control circuit, two closed loop feedback control circuits comprise current closed-loop feedback and voltage close loop feedback, 14 outputs of PWM controller connect inverter 2, inverter 2 connects brshless DC motor 3, two closed-loop feedback-control modules are provided with comparator 11 successively, PID controller 12, drive sequences corrector 1 and PWM controller 14, current sampling circuit detects inverter 2 output currents, send into drive sequences corrector 1.
Voltage feedback circuit is provided with interval computing module 17 and rotating speed computing module 13, voltage sampling circuit detects phase voltage, at interval computing module 17, calculate between region trochanterica, send into drive sequences corrector 13, send into rotating speed computing module 13 and calculate rotor speed, send into comparator 11 and drive sequences corrector 1, drive sequences corrector 1 can intelligence be revised the triggering signal that PWM controller 14 is exported, thereby revise duty ratio and the turn-on cycle number of inverter 2, finally reach the control to brshless DC motor 3, and the setting of two closed-loop feedback control systems makes the more stable of driver.
As described in Fig. 2, this brshless DC motor adaptive driver is DSP control system circuit, the core microprocessors of DSP control system circuit is DSPIC30F5015, and the superpower digital signal processing capability of dsp chip makes driver 1 can promptly adjust the output of inverter 2.
As shown in Figure 3, under normal circumstances, driver is by the sequence operation of setting, and PWM controller 14 sends triggering signal for inverter 2, and inverter 2 is given respectively Injection Current between U, V, the W three-phase of brshless DC motor 3, and the size of electric current is determined according to load.By two closed-loop feedback circuits, whether DSP control system circuit ceaselessly monitoring driving sequence is reasonable, if unreasonable, according to rotor-position, revises, and flows to the V end as electric current script U end, after correction, is that the U end flows to the W end.
More than that preferred embodiment of the present utility model is described; be not limited to above-mentioned embodiment; those of ordinary skill in the art is under enlightenment of the present utility model; under the prerequisite without prejudice to the utility model aim and claim; can make conversion like multiple types, within such conversion all falls into protection range of the present utility model.
Claims (4)
1. brshless DC motor adaptive driver, this brshless DC motor adaptive driver is DSP control system circuit, comprise comparator, the PID controller, the PWM controller, inverter and two closed-loop feedback circuit, inverter output connects motor, two closed-loop feedback circuits comprise current feedback circuit and voltage feedback circuit, it is characterized in that: be provided with the drive sequences corrector between described PID controller and PWM controller, described voltage feedback circuit is provided with interval computing module and rotating speed computing module, interval computing module connects inverter, drive sequences corrector and rotating speed computing module, the rotating speed computing module connects comparator and drive sequences corrector.
2. brshless DC motor adaptive driver as claimed in claim 1, is characterized in that: described current feedback circuit entrance connection inverter, current feedback circuit outlet connection drive sequences corrector.
3. brshless DC motor adaptive driver as claimed in claim 1, it is characterized in that: this driver is provided with warning device, and warning device connects fault detection module, and fault detection module connects inverter.
4. brshless DC motor adaptive driver as claimed in claim 1, is characterized in that: described DSP control system circuit employing DSPIC30F5015 motor control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202652231U CN203313110U (en) | 2013-05-16 | 2013-05-16 | Self-adaptive driver of brushless direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202652231U CN203313110U (en) | 2013-05-16 | 2013-05-16 | Self-adaptive driver of brushless direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203313110U true CN203313110U (en) | 2013-11-27 |
Family
ID=49619281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202652231U Expired - Fee Related CN203313110U (en) | 2013-05-16 | 2013-05-16 | Self-adaptive driver of brushless direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203313110U (en) |
-
2013
- 2013-05-16 CN CN2013202652231U patent/CN203313110U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106208884B (en) | A kind of torque security turning off system and method for servo-driver | |
| CN103580558B (en) | Control device and method based on phase angle of phase current of direct-current brushless motor | |
| CN108233811B (en) | Control method and control system of sensorless permanent magnet synchronous motor | |
| CN103546079A (en) | Novel method and novel device for controlling series excited motor | |
| CN111415794A (en) | Electric permanent magnet chuck charging and demagnetizing controller for manipulator and its control method | |
| CN201022185Y (en) | Electromotor controller | |
| Karthik et al. | Analysis of scalar and vector control based efficiency-optimized induction motors subjected to inverter and sensor faults | |
| CN101761284A (en) | Controller of rail transportation safety door | |
| CA2844565A1 (en) | A control system for realizing the change of input power with load and rotating speed simultaneously, by driving multiple electric motors via one inverter bridge | |
| CN110311619B (en) | Motor control circuit and electric automobile | |
| CN203799965U (en) | Pulse polarity conversion module of composite switch | |
| CN209329988U (en) | Servo motor braking circuit, servo motor braking system and robot | |
| CN103248288B (en) | Self-adaptive driver of brushless direct current motor | |
| CN205334206U (en) | Digit AC servo control system | |
| CN212161432U (en) | Permanent magnetic chuck magnetizing and demagnetizing controller for manipulator | |
| CN210167993U (en) | Contactless crane motor controller with fault monitoring function | |
| CN203313110U (en) | Self-adaptive driver of brushless direct current motor | |
| CN210273878U (en) | A high-power motor operating mechanism control device | |
| CN104393801B (en) | A kind of brshless DC motor arrangements for speed regulation and speed regulating method | |
| CN201393194Y (en) | Control system of oil extractor | |
| CN101807874B (en) | Direct current series motor control method and device for realizing electronic moment commutation | |
| CN102185557A (en) | Speed regulation control system of single-phase induction motor | |
| WO2023104193A1 (en) | Bidirectional power supply, and method for controlling bidirectional power supply | |
| CN211239727U (en) | Motor control circuit and electric robot | |
| CN201947218U (en) | Single-phase induction motor speed regulation control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Self-adaptive driver of brushless direct current motor Effective date of registration: 20140422 Granted publication date: 20131127 Pledgee: Bank of China, Limited by Share Ltd, Guangzhou, Panyu branch Pledgor: Guangzhou JingYuan Mechano-Electric Equipment Co., Ltd. Registration number: 2014990000284 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20160516 |