CN203574574U - Brushless direct current electric motor-drive control device of double housing planer - Google Patents
Brushless direct current electric motor-drive control device of double housing planer Download PDFInfo
- Publication number
- CN203574574U CN203574574U CN201320589251.9U CN201320589251U CN203574574U CN 203574574 U CN203574574 U CN 203574574U CN 201320589251 U CN201320589251 U CN 201320589251U CN 203574574 U CN203574574 U CN 203574574U
- Authority
- CN
- China
- Prior art keywords
- brushless
- motor
- direct current
- control device
- electric motor
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 13
- 230000005355 Hall effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
Images
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model provides a brushless direct current motor-drive control device of a double housing planer. The brushless direct current electric motor-drive control device comprises a brushless direct current electric motor which outputs a torque to drive a load of the double housing planer, wherein an input terminal of the brushless direct current electric motor is connected with an inverter, the inverter is connected with a direct current power supply which is used for supplying power for the direct current electric motor, and a controller which outputs a driving signal to the brushless direct current electric motor, a position detection unit is connected on the brushless direct current electric motor and used for detecting a rotator position, an output terminal of the inverter is connected with a current detection unit which is used for detecting current of a winding of the brushless direct current electric motor, the controller is connected with the current detection unit which outputs an current of the winding of the brushless direct current electric motor to the controller, the position detection unit which outputs the rotator position of the brushless direct current electric motor to the controller, and an input terminal of a given speed signal. The brushless direct current motor-drive control device has advantages of being high in control precision and reliability, beneficial for speed regulation, small in size and light in weight.
Description
Technical field
The utility model relates to a kind of metal-planing machine brushless DC motor and drags control device.
Background technology
Domestic metal-planing machine industry, mostly using DC generator-DC motor dual systems as Advocate-drag system, although control relatively simply, volume is large, efficiency is low, easily produce spark when heavily loaded, safeguard inconvenience.
Along with the development of modern cnc technology, machine industry adopts in a large number controls the control motor superior, power density is high, and permanent magnetism BLDCM is exactly one of them, and it is ripe that the control technology of this motor is also tending towards, and owing to taking p-m rotor, electric efficiency is higher.
Summary of the invention
The purpose of this utility model is to provide a kind of metal-planing machine brushless DC motor that improves operating efficiency, control precision, reliability and the reduction price of metal-planing machine to drag control device.
For reaching goal of the invention the technical solution adopted in the utility model, be:
Metal-planing machine brushless DC motor drags control device, it is characterized in that: comprise that output torque drags the brushless DC motor of metal-planing machine load, the input of described brushless DC motor is connected with inverter, on described inverter, be connected with DC power supply to brushless DC motor power supply by it, output drive signal is given its controller, on described brushless DC motor, be connected with the position detection unit that detects its rotor-position, the output of described inverter is connected with the current detecting unit that detects brushless DC motor winding current, described controller is given respectively its current detecting unit with output brushless DC motor winding current, the position detection unit that the rotor-position of output brushless DC motor is given it, the input of given speed signal connects.
Further, described brushless DC motor is a three-phase permanent brushless DC motor.
Further, the control chip of described controller is the DSP of TMS320LF2812.
Further, the detector of described current detecting unit and position detection unit is hall effect sensor.
Further, described inverter is the three winding switching circuits that adopt six IGBT switches.
Further, described DC power supply is that three-phase rectifier adds filter.
The utility model is when work, after brushless DC motor starts, the signal of the position detection unit of feedback is compared with given speed signal, by controller, produce and drive signal, again by the control of switching time in inverter, affect winding conduction time, obtain accelerating or the effect of deceleration, specifically the adjusting of the duty ratio by pwm signal changes average voltage size, and then changes the velocity amplitude of brushless DC motor; Current detecting unit belongs to protected location, when electric current transfinites, feeds back to controller, makes it quit work or regulates other parameters to reduce electric current.
The utility model is when work, and control precision, speed governing and start-stop performance etc. all depend on controller, by the high-speed dsp in controller, complete, and adopts classical pid algorithm and PWM output control mode to complete.
The beneficial effects of the utility model: utilize current novel efficient high and medium power brushless, permanently excited direct current motor, the two closed loops of control device electric current and rotor-position, make device have higher control precision and reliability, and speed governing is convenient; Phase specific volume is little lightweight simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of circuit of the present utility model.
Embodiment
Below in conjunction with specific embodiment, the utility model is further described, but the utility model is not confined to these embodiments.One skilled in the art would recognize that the utility model contained all alternatives, improvement project and the equivalents that within the scope of claims, may comprise.
With reference to Fig. 1, metal-planing machine brushless DC motor drags control device, comprise that output torque drags the brushless DC motor 4 of metal-planing machine load 5, the input of described brushless DC motor 4 is connected with inverter 3, on described inverter 3, be connected with DC power supply 2 to brushless DC motor 4 power supplies by it, output drive signal is given its controller 1, on described brushless DC motor 4, be connected with the position detection unit 7 that detects its rotor-position, the output of described inverter 3 is connected with the current detecting unit 6 that detects brushless DC motor 4 winding currents, described controller 1 is given respectively its current detecting unit 6 with output brushless DC motor 4 winding currents, the position detection unit 7 that the rotor-position of output brushless DC motor 4 is given it, the input of given speed signal connects.
Described brushless DC motor 4 is three-phase permanent brushless DC motors.
The control chip of described controller 1 is the DSP of TMS320LF2812.
Described current detecting unit 6 is hall effect sensor with the detector of position detection unit 7.
Described inverter 3 is the three winding switching circuits that adopt six IGBT switches.
Described DC power supply 2 is that three-phase rectifier adds filter.
The utility model is when work, after brushless DC motor 4 starts, the signal of the position detection unit 7 of feedback is compared with given speed signal, by controller 1, produce and drive signal, again by the control of switching time in inverter 3, affect winding conduction time, obtain accelerating or the effect of deceleration, specifically the adjusting of the duty ratio by pwm signal changes average voltage size, and then changes the velocity amplitude of brushless DC motor 4; Current detecting unit 6 belongs to protected location, when electric current transfinites, feeds back to controller 1, makes it quit work or regulates other parameters to reduce electric current.
The utility model is when work, and control precision, speed governing and start-stop performance etc. all depend on controller 1, by the high-speed dsp in controller 1, complete, and adopts classical pid algorithm and PWM output control mode to complete.
Claims (6)
1. metal-planing machine brushless DC motor drags control device, it is characterized in that: comprise that output torque drags the brushless DC motor of metal-planing machine load, the input of described brushless DC motor is connected with inverter, on described inverter, be connected with DC power supply to brushless DC motor power supply by it, output drive signal is given its controller, on described brushless DC motor, be connected with the position detection unit that detects its rotor-position, the output of described inverter is connected with the current detecting unit that detects brushless DC motor winding current, described controller is given respectively its current detecting unit with output brushless DC motor winding current, the position detection unit that the rotor-position of output brushless DC motor is given it, the input of given speed signal connects.
2. metal-planing machine brushless DC motor according to claim 1 drags control device, it is characterized in that: described brushless DC motor is a three-phase permanent brushless DC motor.
3. metal-planing machine brushless DC motor according to claim 1 and 2 drags control device, it is characterized in that: the control chip of described controller is the DSP of TMS320LF2812.
4. metal-planing machine brushless DC motor according to claim 3 drags control device, it is characterized in that: the detector of described current detecting unit and position detection unit is hall effect sensor.
5. metal-planing machine brushless DC motor according to claim 4 drags control device, it is characterized in that: described inverter is the three winding switching circuits that adopt six IGBT switches.
6. metal-planing machine brushless DC motor according to claim 5 drags control device, it is characterized in that: described DC power supply is that three-phase rectifier adds filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320589251.9U CN203574574U (en) | 2013-09-23 | 2013-09-23 | Brushless direct current electric motor-drive control device of double housing planer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320589251.9U CN203574574U (en) | 2013-09-23 | 2013-09-23 | Brushless direct current electric motor-drive control device of double housing planer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203574574U true CN203574574U (en) | 2014-04-30 |
Family
ID=50542283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320589251.9U Expired - Fee Related CN203574574U (en) | 2013-09-23 | 2013-09-23 | Brushless direct current electric motor-drive control device of double housing planer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203574574U (en) |
-
2013
- 2013-09-23 CN CN201320589251.9U patent/CN203574574U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Gan et al. | New integrated multilevel converter for switched reluctance motor drives in plug-in hybrid electric vehicles with flexible energy conversion | |
| Joice et al. | Digital control strategy for four quadrant operation of three phase BLDC motor with load variations | |
| CN107979321B (en) | Electro-magnetic doubly salient motor driving and charging integrated system with multiplexing excitation windings | |
| CN102075128B (en) | Rotor magnetic shunt mixed excitation synchronous motor driving system and current control method thereof | |
| CN105322838A (en) | Three-level motor power converter for realizing rapid demagnetization | |
| CN103427730A (en) | Permanent magnet brushless direct current motor torque ripple suppression system and method | |
| CN103475285A (en) | Magnetic-levitation-flywheel brushless direct current motor control system | |
| CN203340006U (en) | A high-speed large-power brushless DC motor | |
| CN203574574U (en) | Brushless direct current electric motor-drive control device of double housing planer | |
| CN103248298A (en) | Driving method for DC motor | |
| CN104362909A (en) | Brushless direct-current motor controller | |
| Liu et al. | Pmsm control system research based on vector control | |
| CN204633666U (en) | A kind of electric tool High speed SRM control device | |
| CN204652275U (en) | A kind of permagnetic synchronous motor direct torque control device based on constant switching frequency space vector modulation | |
| CN102664575A (en) | Three-phase half-wave brushless direct-current motor controller with reverse connection protection function | |
| CN203057050U (en) | Electromagnetic torque ripple inhibition device for brushless direct current motor | |
| CN203340009U (en) | A sine-wave-controlled brushless DC motor for a smoke exhaust ventilator | |
| CN207835373U (en) | A kind of control system of automatic adjustment engine speed | |
| CN201418018Y (en) | High-efficient switched reluctance motor | |
| CN203340007U (en) | A brushless DC motor sine wave controller | |
| CN104682654A (en) | Control device and method for electromagnetic type reluctance motor | |
| Lu et al. | Design and implementation of low-power SRM control system | |
| CN204465306U (en) | A kind of electromagnetic type reluctance motor control device | |
| CN203933484U (en) | The sinusoidal wave Frequency Drive Control device of a kind of permagnetic synchronous motor position-sensor-free | |
| WO2012159393A1 (en) | Hybrid dc electric motor with permanent magnet and electric excitation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20140923 |
|
| EXPY | Termination of patent right or utility model |