CN205142064U - Well miniwatt brushless DC motor control system suitable for many occasions - Google Patents
Well miniwatt brushless DC motor control system suitable for many occasions Download PDFInfo
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- CN205142064U CN205142064U CN201520944571.0U CN201520944571U CN205142064U CN 205142064 U CN205142064 U CN 205142064U CN 201520944571 U CN201520944571 U CN 201520944571U CN 205142064 U CN205142064 U CN 205142064U
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- dsp controller
- converter
- control system
- module
- motor
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Abstract
The utility model provides a well miniwatt brushless DC motor control system suitable for many occasions, including the power, converter, dc -to -ac converter and the brushless DC motor that connect gradually, its technical essential is: brushless DC motor passes through the speed detection module and connects the DSP controller, the power -on is crossed arrival current detection module and is connected the DSP controller, the DSP controller passes through converter drive circuit and connects the converter, connect the dc -to -ac converter through dc -to -ac converter drive circuit, generating line between converter and the dc -to -ac converter passes through busbar voltage current detection module and connects the DSP controller through AD sampling circuit, the dc -to -ac converter passes through voltage testing with generating line between the brushless DC motor and is connected the DSP controller through AD sampling circuit, DSP controller connection mode is selected and the parameter setting module. The utility model has the characteristics of use that small, application scope is wide, the real -time is good, control accuracy is high.
Description
Technical field:
The utility model relates to a kind of control system of brshless DC motor, is specifically related to a kind of middle low power brushless DC motor control system being applicable to many occasions.
Background technology:
At present, brushless DC motor control system operates mainly in DC power supply, these control system have strict demand to power supply, be only applicable to particular job occasion, the each control unit of control system is relatively independent simultaneously, control is complicated, flexibility is low, power supply input range is narrow, the real-time regulating and controlling poor-performing of system.
Summary of the invention:
The utility model, for overcoming the deficiencies in the prior art, provides a kind of middle low power brushless DC motor control system being applicable to many occasions, and it has the advantages that use volume is little, applied widely, real-time is good, control precision is high.
The middle low power brushless DC motor control system being applicable to many occasions of the present utility model, comprise the power supply connected successively, converter, inverter and brshless DC motor, technical scheme adopted for achieving the above object is: described brshless DC motor is by Rotating speed measring model calling dsp controller, power supply is by input electric cur-rent measure model calling dsp controller, dsp controller connects converter by inverter drive circuit, inverter is connected by inverter driving circuit, bus between converter and inverter connects dsp controller by busbar voltage current detection module through AD sample circuit, bus between inverter with brshless DC motor is connected dsp controller by voltage detection module through AD sample circuit, dsp controller connection mode is selected and parameter setting module.
As further improvement of the utility model, described busbar voltage current detection module is connected dsp controller with voltage detection module respectively by protection module, thus carries out over-voltage over-current protection.
As further improvement of the utility model, described dsp controller connects failure detector circuit, thus carries out fault alarm.
As further improvement of the utility model, described dsp controller connects RS232 interface circuit, CAN transceiver module and display module respectively, thus carry out data communication, and real-time display system control variables and its exterior service data, so that regulate motor operating state, reduction electric machine control system volume, increase level of integrated system in real time.
As further improvement of the utility model, described dsp controller is TMS320F2812 type digital signal processor, and it is stable, control is accurate.
The beneficial effects of the utility model are: the utility model adopts digital signal processor TMS320F2812 to be the main control chip of dsp controller, by model selection and parameter setting module, the input and output voltage electric current of control system and the mode of operation of converter are set, can Real-time Collection input current, bus current voltage and motor speed, and adopt intelligent PID control method to regulate the rotating speed of brshless DC motor, make control system have good control precision by rotating speed, voltage, electric current Three-loop control.The utility model has the function such as over-voltage over-current protection, false alarm; the scope of application is wide, real-time is high, control precision is good; the mode of operation of converter and inverter is changed by the parameter changing pattern and the setting selected in control system; make control system meet the needs of different practical application, achieve the automation of Electric Machine Control.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is power main circuit diagram;
Fig. 3 is overvoltage crowbar figure;
Fig. 4 is current detection circuit figure;
Fig. 5 is drive circuit figure.
Embodiment:
With reference to Fig. 1, this is applicable to the middle low power brushless DC motor control system of many occasions, comprise the power supply 1 connected successively, converter 2, inverter 3 and brshless DC motor 4, described brshless DC motor 4 connects dsp controller 10 by Rotating speed measring module 13, power supply 1 connects dsp controller 10 by input electric cur-rent measure module 5, dsp controller 10 connects converter 2 by inverter drive circuit 18, inverter 3 is connected by inverter driving circuit 17, inverter drive circuit 18 and inverter driving circuit 17 are as shown in Figure 5, bus between converter 2 and inverter 3 is connected dsp controller 10 through AD sample circuit 16 with protection module 12 respectively by busbar voltage current detection module 15, current detection circuit in input electric cur-rent measure module 5 and busbar voltage current detection module as shown in Figure 4, bus between inverter 3 with brshless DC motor 4 is connected dsp controller 10 through AD sample circuit 16 and protection module 12 respectively by voltage detection module 14, the overvoltage crowbar of protection module 12 as shown in Figure 3, dsp controller 10 respectively connection mode is selected and parameter setting module 6, failure detector circuit 11, RS232 interface circuit 7, CAN transceiver module 8 and display module 9.Described dsp controller 10 adopts the digital signal processor TMS320F2812 of TI company to be main control chip.
The utility model with converter 2 with inverter 3 for control object carries out Control System Design, the power main circuit of converter 2 and inverter 3 formation is as shown in Figure 2.Input and output voltage given value of current value and motor base speed set-point pass to dsp controller 10 by the button in model selection and parameter setting module 6 through signal condition, and the current signal detected utilizes the AD sample circuit 16 of inner 12 of dsp controller 10 to be converted to input current set-point by input electric cur-rent measure module 5 by input current.Voltage and current signal utilizes outside AD sample circuit 16 to obtain the feedback signal of feedback signal and velocity measuring module through nursing one's health the FIR filtering with dsp controller 10 inside, respectively as busbar voltage current feedback values and speed feedback value after adjusting through busbar voltage current detection module 15 by busbar voltage electric current.Busbar voltage set point and value of feedback compare and calculate output current set-point through fuzzy voltage-regulation, given value of current value and voltage feedback value product obtain power given value, power given value is compared with the Feedback of Power value calculated by current feedback values and voltage feedback value, variable PWM drive waveforms is exported through calculating, through inverter drive circuit module 18 driving transducer 2, obtain given busbar voltage electric current.Speed setting value and value of feedback compare and regulate through speed by PID, using the given input of the output of rotating speed outer shroud as voltage inter-loop, the voltage actual value detected and set-point are compared, through voltage-regulation output current set-point, given value of current value compares with value of feedback again, export variable PWM drive waveforms through Current adjustment, drive inverter 3 through inverter driving circuit module 17, obtain the electric current and voltage supplying brshless DC motor 4.Meanwhile, control system other equipment external can be made to be convenient to jointly control by RS232 interface circuit 7 and CAN transceiver module 8, display module 9 is display control program external operational parameters in real time, convenient control.Fault detect 11 and protection module 12 make control system work in safe and reliable state.Dsp controller 10 is the converter 2 of main control chip in real time in regulation and control system and inverter 3 by digital signal processor TMS320F2812, makes control system have the wider scope of application.
Claims (5)
1. one kind is applicable to the middle low power brushless DC motor control system of many occasions, comprise the power supply (1) connected successively, converter (2), inverter (3) and brshless DC motor (4), it is characterized in that: described brshless DC motor (4) connects dsp controller (10) by Rotating speed measring module (13), power supply (1) connects dsp controller (10) by input electric cur-rent measure module (5), dsp controller (10) connects converter (2) by inverter drive circuit (18), inverter (3) is connected by inverter driving circuit (17), bus between converter (2) and inverter (3) connects dsp controller (10) by busbar voltage current detection module (15) through AD sample circuit (16), bus between inverter (3) with brshless DC motor (4) is connected dsp controller (10) by voltage detection module (14) through AD sample circuit (16), dsp controller (10) connection mode is selected and parameter setting module (6).
2. a kind of middle low power brushless DC motor control system being applicable to many occasions as claimed in claim 1, is characterized in that: described busbar voltage current detection module (15) is connected dsp controller (10) with voltage detection module (14) respectively by protection module (12).
3. a kind of middle low power brushless DC motor control system being applicable to many occasions as claimed in claim 1, is characterized in that: described dsp controller (10) connects failure detector circuit (11).
4. a kind of middle low power brushless DC motor control system being applicable to many occasions as claimed in claim 1, is characterized in that: described dsp controller (10) connects RS232 interface circuit (7), CAN transceiver module (8) and display module (9) respectively.
5. a kind of middle low power brushless DC motor control system being applicable to many occasions as described in any one of claim 1-4, is characterized in that: described dsp controller (10) is TMS320F2812 type digital signal processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520944571.0U CN205142064U (en) | 2015-11-24 | 2015-11-24 | Well miniwatt brushless DC motor control system suitable for many occasions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520944571.0U CN205142064U (en) | 2015-11-24 | 2015-11-24 | Well miniwatt brushless DC motor control system suitable for many occasions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205142064U true CN205142064U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520944571.0U Expired - Fee Related CN205142064U (en) | 2015-11-24 | 2015-11-24 | Well miniwatt brushless DC motor control system suitable for many occasions |
Country Status (1)
| Country | Link |
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| CN (1) | CN205142064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911277A (en) * | 2017-04-07 | 2017-06-30 | 哈尔滨理工大学 | Control system for permanent-magnet synchronous motor based on matrix converter |
-
2015
- 2015-11-24 CN CN201520944571.0U patent/CN205142064U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911277A (en) * | 2017-04-07 | 2017-06-30 | 哈尔滨理工大学 | Control system for permanent-magnet synchronous motor based on matrix converter |
| CN106911277B (en) * | 2017-04-07 | 2019-03-22 | 哈尔滨理工大学 | Control system for permanent-magnet synchronous motor based on matrix converter |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20161124 |