CN202929845U - DSP based asynchronous motor control device - Google Patents

DSP based asynchronous motor control device Download PDF

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Publication number
CN202929845U
CN202929845U CN 201220415072 CN201220415072U CN202929845U CN 202929845 U CN202929845 U CN 202929845U CN 201220415072 CN201220415072 CN 201220415072 CN 201220415072 U CN201220415072 U CN 201220415072U CN 202929845 U CN202929845 U CN 202929845U
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CN
China
Prior art keywords
module
dsp
voltage
main control
output
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Application number
CN 201220415072
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Chinese (zh)
Inventor
艾红
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北京信息科技大学
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Priority to CN 201220415072 priority Critical patent/CN202929845U/en
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Publication of CN202929845U publication Critical patent/CN202929845U/en

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Abstract

The utility model discloses a DSP based asynchronous motor control device, which comprises a DSP main control module, a driving circuit module, and a power supply module providing operating voltage for the DSP main control module and the driving circuit module, wherein the driving circuit module is used for converting inputted AC voltage into DC voltage, and controlling the DC voltage to be outputted to an induction motor after being inverted according to six-way PWM pulse control signals outputted by the DSP main control module; and the DSP main control module is mainly used for outputting the PWM pulse control signals, which are isolated by an optocoupler, to the driving circuit module according to an input instruction, DC voltage signals fed back and inverted voltage signals, and carrying out system fault protection according to a fault signal. The DSP based asynchronous motor control device controls the speed regulation of the induction motor by adopting a DSP, thereby improving the reliability and the stability of speed regulation of the induction motor greatly. Meanwhile, the cost is low.

Description

Asynchronous machine control device based on DSP

Technical field

The utility model relates to a kind of induction motor frequency conversion speed-adjusting system, specifically a kind of asynchronous machine control device based on DSP.

Background technology

The exploitation of high-performance speed governing test unit is the focus of current transmission field research, and this industry is mainly monopolized by overseas enterprise at present, and domestic enterprise and school begin one's study for many years, but the practicality achievement is few.What in the domestic speed governing decorum, the control device use was maximum is constant voltage constant frequency control.The requirement that frequency control not only can be satisfied on production technology and production technology is transformed can also saves energy.In ac speed control technology, frequency control is with its excellent speed adjusting performance and energy-efficient, widely the advantage such as range of application and thought the most rising mode of speed regulation both at home and abroad.Converter plant is applied in the universal machines such as blower fan, pump, compressor, can reaches an appreciable energy-saving effect.

The release of powerful digital signal processor DSP makes many control methods that can't realize in the past to be applied in real-time control system.Since digital signal processor DSP occurs, particularly along with the development of control theory and the demand of high performance control, when general monolithic or multi-disc microprocessor can not satisfy complexity and during advanced control algolithm, DSP just becomes the first-selected device of this application scenario.

Therefore, according to ac speed control technology and open-loop voltage/frequency (V/F) control technology, research induction motor V/F frequency conversion speed-adjusting system, utilize the V/F frequency-converting speed-governing control system of a kind of induction motor of digital signal processor DSP design, necessary with the improvement that realizes the electric machine speed regulation performance, have real meaning.

The utility model content

The purpose of this utility model is to provide a kind of asynchronous machine control device based on DSP, thereby can realize improvement and the raising of electric machine speed regulation performance by using dsp processor.

For realizing above-mentioned purpose, the technical scheme that the utility model adopts is as follows:

a kind of asynchronous machine control device based on DSP comprises that DSP main control module, drive circuit module reach the power module that operating voltage is provided for described DSP main control module, drive circuit module, described drive circuit module, after the alternating voltage that is used for inputting converts DC voltage to, export induction motor to after controlling described DC voltage inversion according to six road pwm pulse control signals of described DSP main control module output, simultaneously voltage signal after described d. c. voltage signal, inversion and described drive circuit module fault-signal are fed back to described DSP main control module, described DSP main control module, comprise dsp processor, the clock circuit module that is connected with described dsp processor, the JTAG simulation interface module, extended memory, reset and see the doorway module, communication module, the motor speed feedback module, the analog input module, the digital output module, current sample and over-current detection module, CPLD Logic control module and display module, be mainly used in carrying out system failure protection to described drive circuit module and according to described fault-signal according to the described pwm pulse control signal of voltage signal output after the described d. c. voltage signal of inputting instruction and feedback and inversion after light-coupled isolation.

Described motor speed feedback module adopts Rotary Optoelectrical Encoder of Incremental Type, is connected with induction motor is coaxial, and described dsp processor carries out sample detecting and output display by described Rotary Optoelectrical Encoder of Incremental Type to the rotating speed of induction motor.

Described dsp processor is TMS320F2812.

Described analog input module is by a given analog input of external adjustable potentiometer.

Described drive circuit module comprises rectification filtering module, inversion module, light-coupled isolation module and output voltage detection module:

Described rectification filtering module adopts the uncontrollable full bridge rectifier of three-phase, exports after being used for ac voltage rectifier is become dc voltage filtering;

Described inversion module, comprise intelligent power module, export induction motor to again after described light-coupled isolation module is isolated after being used for controlling described DC voltage inversion according to the pwm pulse control signal of described DSP main control module output, feed back simultaneously the IPM fault-signal to described DSP main control module;

Described output voltage detection module comprises busbar voltage testing circuit and phase current testing circuit, for detection of and the ac voltage signal that feeds back the d. c. voltage signal of described rectification filtering module output and the output of described inversion module to described DSP main control module.

Described intelligent power module adopts 50RSA120.

Described three phase rectifier bridge circuit adopts integration module 6R130G-160.

The dsp processor that the utility model adopts is owing to having concentrated necessary dead band and flexible and changeable multi-channel PWM signal generator and the circuit such as encoder interfaces that are used for the motor speed feedback of increasing of Motor Control, can support the functions such as processing, data exchange and system monitoring of motor steering, instruction generation, control algolithm, thereby the utility model improved reliability, the stability of induction motor speed regulating control greatly, and cost is low simultaneously.

Description of drawings

The structural representation based on the asynchronous machine control device of DSP that Figure 1 shows that the utility model embodiment provides;

Figure 2 shows that power module that the utility model embodiment provides and the connection diagram of DSP main control module and drive circuit module;

Figure 3 shows that the circuit theory diagrams of the power module that the utility model embodiment provides;

Figure 4 shows that the clock circuit circuit theory diagrams;

Figure 5 shows that the wiring diagram of JTAG emulation interface;

Figure 6 shows that the connecting interface schematic diagram of DSP main control module and power module;

Figure 7 shows that power conversion chip TPS767D318 wiring schematic diagram;

Figure 8 shows that the wiring schematic diagram of external memory storage and dsp chip;

Figure 9 shows that the circuit theory diagrams that reset and see the doorway module;

Figure 10 shows that the circuit connection diagram of PWM glistening light of waves coupling buffer circuit;

Figure 11 shows that the circuit theory diagrams of communication serial port level shifting circuit;

Figure 12 ~ 13 are depicted as the circuit theory diagrams of the serial ports transmitting-receiving photoelectric coupled circuit of communication serial port;

Figure 14 shows that the wiring schematic diagram of main control module and encoder interfaces;

Figure 15 shows that the circuit theory diagrams of scrambler feed circuit;

Figure 16 ~ 17 are depicted as the circuit theory diagrams of encoder feedback circuit;

Figure 18 shows that the circuit theory diagrams of analog input module;

Figure 19 shows that the wiring schematic diagram of 10 volts of voltage transitions chips of analog input module;

Figure 20 ~ 21 are depicted as the circuit theory diagrams of digital quantity output circuit;

Figure 22 ~ 23 are depicted as the circuit theory diagrams of current sample and over-current detection circuit;

Shown in Figure 24 is the wiring diagram of CPLD logical circuit and DSP;

Figure 22 ~ 26 are depicted as the logic control schematic diagram of programmable logic device (PLD) after write-in program;

Shown in Figure 27 is the schematic flow sheet of the master control program of DSP main control module;

Figure 28 ~ 29 are depicted as the A/D sampling processing schematic flow sheet of DSP main control module;

Shown in Figure 30 is the SVPWM treatment scheme schematic diagram of DSP main control module.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is further elaborated.

Referring to Fig. 1, the figure shows the asynchronous machine control device structure based on DSP that the utility model embodiment provides.For convenience of explanation, only show the part relevant with the utility model embodiment.

a kind of asynchronous machine control device based on DSP comprises that DSP main control module, drive circuit module reach the power module that operating voltage is provided for described DSP main control module, drive circuit module, described drive circuit module, after the alternating voltage that is used for inputting converts DC voltage to, export induction motor to after controlling described DC voltage inversion according to six road pwm pulse control signals of described DSP main control module output, simultaneously voltage signal after described d. c. voltage signal, inversion and described drive circuit module fault-signal are fed back to described DSP main control module, described DSP main control module, comprise dsp processor, the clock circuit module that is connected with described dsp processor, the JTAG simulation interface module, extended memory, reset and see the doorway module, communication module, the motor speed feedback module, the analog input module, the digital output module, current sample and over-current detection module, CPLD Logic control module and display module, be mainly used in carrying out system failure protection to described drive circuit module and according to described fault-signal according to the described pwm pulse control signal of voltage signal output after the described d. c. voltage signal of inputting instruction and feedback and inversion after optical coupling isolation circuit.

Described motor speed feedback module adopts Rotary Optoelectrical Encoder of Incremental Type, is connected with induction motor is coaxial, and described dsp processor carries out sample detecting and output display by described Rotary Optoelectrical Encoder of Incremental Type to the rotating speed of induction motor.

Described dsp processor is TMS320F2812.

Described analog input module is by a given analog input of external adjustable potentiometer.

Described drive circuit module comprises rectification filtering module, inversion module, light-coupled isolation module and output voltage detection module:

Described rectification filtering module adopts the uncontrollable full bridge rectifier of three-phase, exports after being used for ac voltage rectifier is become dc voltage filtering;

Described inversion module, comprise intelligent power module, export induction motor to again after described light-coupled isolation module is isolated after being used for controlling described DC voltage inversion according to the pwm pulse control signal of described DSP main control module output, feed back simultaneously the IPM fault-signal to described DSP main control module;

Described output voltage detection module comprises busbar voltage testing circuit and phase current testing circuit, for detection of and the ac voltage signal that feeds back the d. c. voltage signal of described rectification filtering module output and the output of described inversion module to described DSP main control module.

Described intelligent power module adopts 50RSA120.Because intelligent power module has short circuit, under-voltage, overheating detection circuit and defencive function, when breaking down, intelligent power module latchs inner 6 ICBT power tubes, simultaneously fault-signal is sent to the power protection interrupt pin of DSP; DSP latchs the output of PWM waveform immediately, and to DSP transmitted power protection interrupt request.

Described three phase rectifier bridge circuit adopts integration module 6R130G-160.

Claims (7)

1. the asynchronous machine control device based on DSP, is characterized in that, comprises that DSP main control module, drive circuit module reach the power module that operating voltage is provided for described DSP main control module, drive circuit module, described drive circuit module, after the alternating voltage that is used for inputting converts DC voltage to, export induction motor to after controlling described DC voltage inversion according to six road pwm pulse control signals of described DSP main control module output, simultaneously voltage signal after described d. c. voltage signal, inversion and described drive circuit module fault-signal are fed back to described DSP main control module, described DSP main control module, comprise dsp processor, the clock circuit module that is connected with described dsp processor, the JTAG simulation interface module, extended memory, reset and see the doorway module, communication module, the motor speed feedback module, the analog input module, the digital output module, current sample and over-current detection module, CPLD Logic control module and display module, be mainly used in carrying out system failure protection to described drive circuit module and according to described fault-signal according to the described pwm pulse control signal of voltage signal output after the described d. c. voltage signal of inputting instruction and feedback and inversion after light-coupled isolation.
2. a kind of asynchronous machine control device based on DSP according to claim 1, it is characterized in that, described motor speed feedback module adopts Rotary Optoelectrical Encoder of Incremental Type, be connected with induction motor is coaxial, described dsp processor carries out sample detecting and output display by described Rotary Optoelectrical Encoder of Incremental Type to the rotating speed of induction motor.
3. a kind of asynchronous machine control device based on DSP according to claim 1, is characterized in that, described dsp processor is TMS320F2812.
4. a kind of asynchronous machine control device based on DSP according to claim 1, is characterized in that, described analog input module is by a given analog input of external adjustable potentiometer.
5. the described a kind of asynchronous machine control device based on DSP of according to claim 1 ~ 4 any one, is characterized in that, described drive circuit module comprises rectification filtering module, inversion module, light-coupled isolation module and output voltage detection module:
Described rectification filtering module adopts the uncontrollable full bridge rectifier of three-phase, exports after being used for ac voltage rectifier is become dc voltage filtering;
Described inversion module, comprise intelligent power module, export induction motor to again after described light-coupled isolation module is isolated after being used for controlling described DC voltage inversion according to the pwm pulse control signal of described DSP main control module output, feed back simultaneously the IPM fault-signal to described DSP main control module;
Described output voltage detection module comprises busbar voltage testing circuit and phase current testing circuit, for detection of and the ac voltage signal that feeds back the d. c. voltage signal of described rectification filtering module output and the output of described inversion module to described DSP main control module.
6. a kind of asynchronous machine control device based on DSP according to claim 5, is characterized in that, described intelligent power module adopts 50RSA120.
7. a kind of asynchronous machine control device based on DSP according to claim 5, is characterized in that, described three phase rectifier bridge circuit adopts integration module 6R130G-160.
CN 201220415072 2012-08-21 2012-08-21 DSP based asynchronous motor control device CN202929845U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102801384A (en) * 2012-08-21 2012-11-28 北京信息科技大学 Induction machine frequency control system based on DSP (Digital Signal Processor)
CN103323660A (en) * 2013-06-09 2013-09-25 广东明阳龙源电力电子有限公司 H half-bridge IPM bus voltage detection circuit
CN103490658A (en) * 2013-09-06 2014-01-01 西安电子科技大学 Drive circuit of single-phase inverter
CN104253551A (en) * 2013-06-27 2014-12-31 无锡乐华自动化科技有限公司 Inverter comprehensive control system
CN104767439A (en) * 2015-01-07 2015-07-08 沙洲职业工学院 PWM pulse width speed regulation signal setting and fault code feedback circuit
CN104810804A (en) * 2015-05-13 2015-07-29 成都英格瑞德电气有限公司 IPM (intelligent power module) device with protection function
CN109217738A (en) * 2018-09-27 2019-01-15 西安航天精密机电研究所 A kind of servo-driver and servo drive control method that four axis is integrated

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102801384A (en) * 2012-08-21 2012-11-28 北京信息科技大学 Induction machine frequency control system based on DSP (Digital Signal Processor)
CN103323660A (en) * 2013-06-09 2013-09-25 广东明阳龙源电力电子有限公司 H half-bridge IPM bus voltage detection circuit
CN104253551A (en) * 2013-06-27 2014-12-31 无锡乐华自动化科技有限公司 Inverter comprehensive control system
CN103490658A (en) * 2013-09-06 2014-01-01 西安电子科技大学 Drive circuit of single-phase inverter
CN104767439A (en) * 2015-01-07 2015-07-08 沙洲职业工学院 PWM pulse width speed regulation signal setting and fault code feedback circuit
CN104767439B (en) * 2015-01-07 2017-04-26 沙洲职业工学院 PWM pulse width speed regulation signal setting and fault code feedback circuit
CN104810804A (en) * 2015-05-13 2015-07-29 成都英格瑞德电气有限公司 IPM (intelligent power module) device with protection function
CN109217738A (en) * 2018-09-27 2019-01-15 西安航天精密机电研究所 A kind of servo-driver and servo drive control method that four axis is integrated

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20130508

Termination date: 20160821