CN202160140U - High-power high-speed direct-current brushless motor controller - Google Patents
High-power high-speed direct-current brushless motor controller Download PDFInfo
- Publication number
- CN202160140U CN202160140U CN2011202671229U CN201120267122U CN202160140U CN 202160140 U CN202160140 U CN 202160140U CN 2011202671229 U CN2011202671229 U CN 2011202671229U CN 201120267122 U CN201120267122 U CN 201120267122U CN 202160140 U CN202160140 U CN 202160140U
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Abstract
The utility model discloses a high-power high-speed direct-current brushless motor controller which comprises a microcomputer control unit and a power conversion unit. The microcomputer control unit comprises a motor control chip and an isolating type DC/DC (Direct Current) converter. The motor control chip comprises a multi-path 10-bit A/D (Analog to Digital) converter; the multi-path 10-bit A/D (Analog to Digital) converter receives a motor rotating speed control signal and outputs an overvoltage-undervoltage to control output signal; the motor control chip is externally connected with an upper computer through a series communicating interface; the isolating type DC/DC (Direct Current) converter provides a power source to the motor control chip; the power conversion unit comprises a power module; the output end of the power module is respectively connected with the three-phase connecting terminals of a motor; and the microcomputer control unit and the power conversion unit are isolated by high-speed optical coupling. The high-power high-speed direct-current brushless motor controller has the advantages of low switching loss, low electromagnetic radiation, high frequency, and high bus voltage utilization rate, etc. Moreover, the high-power high-speed direct-current brushless motor controller has good stability and low noise when driving the motor to run at a low speed and also has low stray loss and high efficiency when the motor runs at a high speed.
Description
Technical field
The utility model relates to the controller of DC brushless motor field, is specifically related to a kind of Large-power High-Speed controller of DC brushless motor.
Background technology
Driven by Brush-Less DC motor has two kinds of schemes, square wave drive scheme and sine wave drive scheme.The square wave drive scheme: circuit topological structure is simple, and control strategy is realized easily.But the fluctuation of the motor torque of square wave drive is big, and stationarity is poor during low cruise, and noise and vibration is also big, and stray losses such as high-speed cruising time-harmonic wave loss cause efficient to reduce greatly.The sine wave drive scheme: the good noise of motor low cruise stationarity is low, and stray loss is little during high-speed cruising, and efficient is high.But the Control Software more complicated of sine wave drive scheme.
For the heavy-duty motor driver, efficient is unusual important index, and noise also can't neglect with vibration, so generally select the sine wave drive scheme for use.Sine wave drive has several method, like Sine Wave Pulse Width Modulation (SPWM) method, and space vector pulse width modulation (SVPWM) method.
The utility model content
The purpose of the utility model provides a kind of Large-power High-Speed controller of DC brushless motor, reduces the noise and the vibration of motor, and raises the efficiency.
The technical scheme of the utility model is following:
A kind of Large-power High-Speed controller of DC brushless motor; Include microcomputer control unit and Power Conversion unit; It is characterized in that: described microcomputer control unit comprises motor control chip and isolated form DC/DC transducer; Described motor control chip comprises 10 A/D converters of multichannel, the reception motor speed control signal of 10 A/D converters of described multichannel, and output overvoltage/undervoltage control output signal; Said motor control chip is through the external host computer of serial communication interface, and described isolated form DC/DC transducer is that motor control chip provides power supply; Described Power Conversion unit comprises power model, and the output of described power model is connected on respectively on three-phase terminal of motor; Adopt high speed photo coupling to isolate between described microcomputer control unit and the Power Conversion unit.
Described Large-power High-Speed controller of DC brushless motor is characterized in that: described motor control chip adopts the special-purpose microcomputer chip of 16 Electric Machine Control of Ling Yang SPMC75 series.
Described Large-power High-Speed controller of DC brushless motor is characterized in that: said Power Conversion unit adopts the PM450CLA060 of Mitsubishi three-phase 450A600V power model.
The beneficial effect of the utility model:
The utility model circuit structure is novel, has characteristics such as switching loss is little, electromagnetic radiation is low, efficient is high, busbar voltage utilance height, and drive motors stationarity when low cruise is good, noise is low, and stray loss is little when high-speed cruising, efficient is high.
Description of drawings
Fig. 1 is the circuit structure schematic diagram of the utility model microcomputer control unit.
Fig. 2 is the circuit structure schematic diagram of the utility model Power Conversion unit.
Embodiment
Referring to accompanying drawing, a kind of Large-power High-Speed controller of DC brushless motor includes microcomputer control unit and Power Conversion unit; Microcomputer control unit comprises motor control chip and isolated form DC/DC transducer, and motor control chip comprises 10 A/D converters of multichannel, the reception motor speed control signal of 10 A/D converters of multichannel; And output overvoltage/undervoltage control output signal; Motor control chip detects motor rotor position through dedicated location detecting interface, and motor control chip can be uploaded the state parameter of controller to host computer through the external host computer of serial communication interface; Also can accept the control command of host computer; Microcomputer control unit adopts the DC28V power supply, in order to improve interference free performance, adopts the power supply of isolated form DC/DC transducer; The Power Conversion unit comprises power model; The output of power model is connected on respectively on three-phase terminal of motor; Power model inside possesses perfect overcurrent and overheating protection function; Maximum can drive 37 kilowatt motors, and power model adopts the DC270V power supply, and is furnished with 4700uF/400V filter capacitor and soft-start circuit; Adopt high speed photo coupling to isolate between microcomputer control unit and the Power Conversion unit.
Motor control chip adopts the special-purpose microcomputer chip of 16 Electric Machine Control of Ling Yang SPMC75 series; The Power Conversion unit adopts the PM450CLA060 of Mitsubishi three-phase 450A600V power model.
The utlity model has following key property:
Power supply: DC28V, DC270V;
Maximum speed: 6000 rev/mins;
The range of speed control: 10%～100%;
Rated output power: 35 kilowatts;
Controller possesses soft start function;
Controller possesses under-voltage, overvoltage, overcurrent, overheat protective function;
Power model adopts water cooling method.
Claims (3)
1. Large-power High-Speed controller of DC brushless motor; Include microcomputer control unit and Power Conversion unit; It is characterized in that: described microcomputer control unit comprises motor control chip and isolated form DC/DC transducer; Described motor control chip comprises 10 A/D converters of multichannel, the reception motor speed control signal of 10 A/D converters of described multichannel, and output overvoltage/undervoltage control output signal; Said motor control chip is through the external host computer of serial communication interface, and described isolated form DC/DC transducer is that motor control chip provides power supply; Described Power Conversion unit comprises power model, and the output of described power model is connected on respectively on three-phase terminal of motor; Adopt high speed photo coupling to isolate between described microcomputer control unit and the Power Conversion unit.
2. Large-power High-Speed controller of DC brushless motor according to claim 1 is characterized in that: described motor control chip adopts the special-purpose microcomputer chip of 16 Electric Machine Control of Ling Yang SPMC75 series.
3. Large-power High-Speed controller of DC brushless motor according to claim 1 is characterized in that: said Power Conversion unit adopts the PM450CLA060 of Mitsubishi three-phase 450A600V power model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202671229U CN202160140U (en) | 2011-07-26 | 2011-07-26 | High-power high-speed direct-current brushless motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202671229U CN202160140U (en) | 2011-07-26 | 2011-07-26 | High-power high-speed direct-current brushless motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202160140U true CN202160140U (en) | 2012-03-07 |
Family
ID=45767762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202671229U Expired - Fee Related CN202160140U (en) | 2011-07-26 | 2011-07-26 | High-power high-speed direct-current brushless motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202160140U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777404A (en) * | 2012-07-04 | 2012-11-14 | 苏州市职业大学 | Direct current brushless fan controller used for fan of fan filter unit |
| CN103345245A (en) * | 2013-07-29 | 2013-10-09 | 邵阳学院 | Multifunctional motor control strategy test experimental device and application thereof |
-
2011
- 2011-07-26 CN CN2011202671229U patent/CN202160140U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777404A (en) * | 2012-07-04 | 2012-11-14 | 苏州市职业大学 | Direct current brushless fan controller used for fan of fan filter unit |
| CN103345245A (en) * | 2013-07-29 | 2013-10-09 | 邵阳学院 | Multifunctional motor control strategy test experimental device and application thereof |
| CN103345245B (en) * | 2013-07-29 | 2016-01-06 | 邵阳学院 | Multifunctional motor control strategy test experimental device and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20130726 |