CN205304661U - Step motor drive control system based on computer control - Google Patents
Step motor drive control system based on computer control Download PDFInfo
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- CN205304661U CN205304661U CN201521102780.7U CN201521102780U CN205304661U CN 205304661 U CN205304661 U CN 205304661U CN 201521102780 U CN201521102780 U CN 201521102780U CN 205304661 U CN205304661 U CN 205304661U
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Abstract
The utility model belongs to the technical field of step motor drives the technique and specifically relates to a step motor drive control system based on computer control. It includes step motor, be used for the input of parameter dial -up parameter dial -up input circuit, be used for data input the computer, be used for data transmission RS -232 serial circuits, be used for the signal arrangement the singlechip, be used for the DA converting circuit of DA conversion and be used for producing drive signal's drive and control circuit. The utility model discloses a computer personnel that realize control concrete operations to step motor, realize digital system control, and the data transmission of its computer then realizes through RS -232 serial circuits, simultaneously, utilize parameter dial -up input circuit to realize the segmentation fine setting to work.
Description
Technical field
This utility model relates to Design of Stepper Motor Control Circuit field, especially a kind of based on computer-controlled step motor drive control system.
Background technology
It is known that, motor is a kind of executive component that electric impulse signal converts to respective corners displacement, it have compared with other types motor easy to control, be prone to open loop accurately control, low cost and other advantages little without accumulated error, volume, therefore be widely used in every field. Being affected by manufacturing process, the step angle of motor is generally large, and there is low-frequency vibration. Along with the development of computer technology, digital technology and microelectric technique, the Drive Control Technique of motor obtains fast development.
Utility model content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model is in that providing a kind of controls system based on computer-controlled step motor drive.
To achieve these goals, this utility model adopts the following technical scheme that
A kind of based on computer-controlled step motor drive control system, it includes parameter dial-up input circuit, computer, RS-232 serial port circuit, single-chip microcomputer, D/A change-over circuit, drives control circuit and motor;
Described computer is entered data into RS-232 serial port circuit and is input a signal into single-chip microcomputer by RS-232 serial port circuit, described parameter dial-up input circuit produces control signal and inputs a signal into single-chip microcomputer, signal is carried out arranging and being fed back to by signal D/A change-over circuit and drive control circuit by described single-chip microcomputer, signal is carried out D/A conversion and inputs the signal after conversion to driving control circuit by described D/A change-over circuit, and described driving control circuit produces drive signal and input a signal into motor.
Preferably, described single-chip microcomputer is AT89S52 single-chip microcomputer, the RST pin of described single-chip microcomputer accesses power supply and by the second resistance eutral grounding by the first electric capacity, the RST pin of described single-chip microcomputer accesses power supply also by the first resistance and the first switch, the XTAL2 pin of described single-chip microcomputer is connected with the XTAL1 pin of self by agitator, described agitator be parallel with the second electric capacity and the 3rd electric capacity that are sequentially connected in series, described second electric capacity and the 3rd electric capacity indirectly.
Preferably, described RS-232 serial port circuit includes serial interface and MAX232 chip, described serial interface be connected with computer and with 14 pins of MAX232 chip, 13 pin serial connection, 4 pins of described MAX232 chip are connected with 5 pins of self by the 5th electric capacity, 6 pins of described MAX232 chip pass through the 4th capacity earth, 3 pins of described MAX232 chip are connected with 1 pin of self by the 6th electric capacity, 2 pins of described MAX232 chip access power supply by the 7th electric capacity, 16 pins of described MAX232 chip pass through the 8th capacity earth, 12 pins of described MAX232 chip and 11 pins are connected with the P3.0 pin of single-chip microcomputer and P3.1 pin respectively.
Preferably, described parameter dial-up input circuit includes the first optocoupler, second optocoupler, 3rd optocoupler, 4th optocoupler, 5th optocoupler, 6th optocoupler, 7th optocoupler and the 8th optocoupler, described first optocoupler, second optocoupler, 3rd optocoupler, 4th optocoupler, 5th optocoupler, 6th optocoupler, the positive pole of the 7th optocoupler and the 8th optocoupler is respectively through the 11st resistance, 12nd resistance, 13rd resistance, 14th resistance, 15th resistance, 16th resistance, 17th resistance and the 18th resistance access power supply, described first optocoupler, second optocoupler, 3rd optocoupler, 4th optocoupler, 5th optocoupler, 6th optocoupler, the negative pole of the 7th optocoupler and the 8th optocoupler is respectively through the first button, second button, 3rd button, 4th button, 5th button, 6th button, 7th button and the 8th button ground connection, described first optocoupler, second optocoupler, 3rd optocoupler, 4th optocoupler, 5th optocoupler, 6th optocoupler, the colelctor electrode of the 7th optocoupler and the 8th optocoupler respectively with the P1.0 pin of single-chip microcomputer, P1.1 pin, P1.2 pin, P1.3 pin, P1.4 pin, P1.5 pin, P1.6 pin and P1.7 pin connect, described first optocoupler, second optocoupler, 3rd optocoupler, 4th optocoupler, 5th optocoupler, 6th optocoupler, the colelctor electrode of the 7th optocoupler and the 8th optocoupler is respectively through the 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance, 9th resistance and the tenth resistance access power supply.
Preferably, described driving control circuit includes the first amplifier, second amplifier, 9th optocoupler, first audion and 74LS74 trigger, the CLK pin of described 74LS74 trigger is connected with single-chip microcomputer, the CLR pin of described 74LS74 trigger and the outfan of the second amplifier connect, Q pin and the GND pin of described 74LS74 trigger are connected with the positive pole of the 9th optocoupler and negative pole respectively, end of oppisite phase and the in-phase end of described first amplifier are connected with D/A change-over circuit, the outfan of described first amplifier and the in-phase end of the second amplifier connect, the end of oppisite phase of described second amplifier and the emitter stage of the first audion connect and pass through the 21st resistance eutral grounding, the base stage of described first audion is connected with the emitter stage of the 9th optocoupler, the colelctor electrode of described 9th optocoupler accesses power supply by the 19th resistance, the colelctor electrode of described first audion is connected with motor and passes through the first inductance coil access power supply, described first inductance coil is parallel with the 20th resistance and the first diode that are sequentially connected in series.
Owing to have employed such scheme, this utility model realizes personnel to step motor control concrete operations by computer, it is achieved digitization system controls, and the data transmission of its computer is then realized by RS-232 serial port circuit;Meanwhile, parameter dial-up input circuit is utilized to realize the segmentation of work is finely tuned, its simple in construction, easy to operate, it is very practical.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of this utility model embodiment;
Fig. 2 is the single chip computer architecture schematic diagram of this utility model embodiment;
Fig. 3 is the electrical block diagram of the RS-232 serial port circuit of this utility model embodiment;
Fig. 4 is the electrical block diagram of the parameter dial-up input circuit of this utility model embodiment;
Fig. 5 is the electrical block diagram of the driving control circuit of this utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that this utility model can be defined by the claims and cover is implemented.
As shown in Figure 1, the one that the present embodiment provides controls system based on computer-controlled step motor drive, and it includes parameter dial-up input circuit 3, computer 1, RS-232 serial port circuit 2, single-chip microcomputer 4, D/A change-over circuit 5, drives control circuit 6 and motor 7;
Computer 1 is entered data into RS-232 serial port circuit 2 and is input a signal into single-chip microcomputer 4 by RS-232 serial port circuit 2, parameter dial-up input circuit 3 produces control signal and inputs a signal into single-chip microcomputer 4, signal is carried out arranging and being fed back to by signal D/A change-over circuit 5 and drive control circuit 6 by single-chip microcomputer 4, signal is carried out D/A conversion and by the signal input after conversion to driving control circuit 6 by D/A change-over circuit 5, drives control circuit 6 to produce drive signal and input a signal into motor 7.
The present embodiment realizes personnel by computer 1 and motor 7 is controlled concrete operations, it is achieved digitization system controls, and the data transmission of its computer 1 is then realized by RS-232 serial port circuit 2; Meanwhile, parameter dial-up input circuit 3 is utilized to realize the segmentation fine setting to work. The actual driving of motor 7 controls then by driving control circuit 6 to realize.
The present embodiment single-chip microcomputer 4 adopts AT89S52 single-chip microcomputer, its single-chip microcomputer 4 particular circuit configurations can adopt circuit structure as shown in Figure 2, namely the RST pin of single-chip microcomputer 4 accesses power supply and by the second resistance R2 ground connection by the first electric capacity C1, the RST pin of single-chip microcomputer 4 switchs K also by the first resistance R1 and the first and accesses power supply, the XTAL2 pin of single-chip microcomputer 4 is connected with the XTAL1 pin of self by agitator T1, agitator T1 be parallel with the second electric capacity C2 and the three electric capacity C3 being sequentially connected in series, the second electric capacity C2 and the three electric capacity C3 indirectly. This circuit utilizes the first switch K can realize the regulation and control to single-chip microcomputer 4 external circuit resistance, and utilizes agitator T1 to realize protected effect.
The RS-232 serial port circuit 2 of the present embodiment can adopt circuit structure as shown in Figure 3, namely serial interface J1 and MAX232 chip U1 is included, serial interface J1 be connected with computer 1 and with 14 pins of MAX232 chip U1, 13 pin serial connection, 4 pins of MAX232 chip U1 are connected with 5 pins of self by the 5th electric capacity C5, 6 pins of MAX232 chip U1 pass through the 4th electric capacity C4 ground connection, 3 pins of MAX232 chip U1 are connected with 1 pin of self by the 6th electric capacity C6, 2 pins of MAX232 chip U1 access power supply by the 7th electric capacity C7, 16 pins of MAX232 chip U1 pass through the 8th electric capacity C8 ground connection, 12 pins of MAX232 chip U1 and 11 pins are connected with the P3.0 pin of single-chip microcomputer 4 and P3.1 pin respectively.
The parameter dial-up input circuit 3 of the present embodiment can adopt circuit structure as shown in Figure 4, namely includes the first optocoupler Q1, second optocoupler Q2, 3rd optocoupler Q3, 4th optocoupler Q4, 5th optocoupler Q5, 6th optocoupler Q6, 7th optocoupler Q7 and the eight optocoupler Q8, the first optocoupler Q1, second optocoupler Q2, 3rd optocoupler Q3, 4th optocoupler Q4, 5th optocoupler Q5, 6th optocoupler Q6, the positive pole of the 7th optocoupler Q7 and the eight optocoupler Q8 is respectively through the 11st resistance R11, 12nd resistance R12, 13rd resistance R13, 14th resistance R14, 15th resistance R15, 16th resistance R16, 17th resistance R17 and the 18 resistance R18 accesses power supply, the first optocoupler Q1, second optocoupler Q2, 3rd optocoupler Q3, 4th optocoupler Q4, 5th optocoupler Q5, 6th optocoupler Q6, the negative pole of the 7th optocoupler Q7 and the eight optocoupler Q8 is respectively through the first button S1, second button S2, 3rd button S3, 4th button S4, 5th button S5, 6th button S6, 7th button S7 and the eight button S8 ground connection, the first optocoupler Q1, second optocoupler Q2, 3rd optocoupler Q3, 4th optocoupler Q4, 5th optocoupler Q5, 6th optocoupler Q6, the colelctor electrode of the 7th optocoupler Q7 and the eight optocoupler Q8 respectively with the P1.0 pin of single-chip microcomputer 4, P1.1 pin, P1.2 pin, P1.3 pin, P1.4 pin, P1.5 pin, P1.6 pin and P1.7 pin connect, the first optocoupler Q1, second optocoupler Q2, 3rd optocoupler Q3, 4th optocoupler Q4, 5th optocoupler Q5, 6th optocoupler Q6, the colelctor electrode of the 7th optocoupler Q7 and the eight optocoupler Q8 is respectively through the 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7, 8th resistance R8, 9th resistance R7 and the ten resistance R10 accesses power supply.
The D/A change-over circuit 5 of the present embodiment adopts DAC0832 conversion chip to carry out the D/A conversion of signal, the driving control circuit 6 of the present embodiment can adopt circuit structure as shown in Figure 5, namely the first amplifier A1 is included, second amplifier A2, 9th optocoupler Q9, first audion M1 and 74LS74 trigger U2, the CLK pin of 74LS74 trigger U2 is connected with DAC0832 conversion chip, the CLR pin of 74LS74 trigger U2 and the outfan of the second amplifier A2 connect, Q pin and the GND pin of 74LS74 trigger U2 are connected with the positive pole of the 9th optocoupler Q9 and negative pole respectively, the end of oppisite phase of the first amplifier A1 and in-phase end are in parallel with single-chip microcomputer 4, the outfan of the first amplifier A1 and the in-phase end of the second amplifier A2 connect, the end of oppisite phase of the second amplifier A2 and the emitter stage of the first audion M1 connect and pass through the 21st resistance R21 ground connection, the base stage of the first audion M1 is connected with the emitter stage of the 9th optocoupler Q9, the colelctor electrode of the 9th optocoupler Q9 accesses power supply by the 19th resistance R19, the colelctor electrode of the first audion M1 is connected with motor 7 and passes through the first inductance coil L1 access power supply, first inductance coil L1 is parallel with the 20th resistance R20 and the first diode D1 that are sequentially connected in series.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in scope of patent protection of the present utility model.
Claims (5)
1. one kind controls system based on computer-controlled step motor drive, it is characterised in that: it includes parameter dial-up input circuit, computer, RS-232 serial port circuit, single-chip microcomputer, D/A change-over circuit, drives control circuit and motor;
Described computer is entered data into RS-232 serial port circuit and is input a signal into single-chip microcomputer by RS-232 serial port circuit, described parameter dial-up input circuit produces control signal and inputs a signal into single-chip microcomputer, signal is carried out arranging and being fed back to by signal D/A change-over circuit and drive control circuit by described single-chip microcomputer, signal is carried out D/A conversion and inputs the signal after conversion to driving control circuit by described D/A change-over circuit, and described driving control circuit produces drive signal and input a signal into motor.
2. as claimed in claim 1 a kind of based on computer-controlled step motor drive control system, it is characterized in that: described single-chip microcomputer is AT89S52 single-chip microcomputer, the RST pin of described single-chip microcomputer accesses power supply and by the second resistance eutral grounding by the first electric capacity, the RST pin of described single-chip microcomputer accesses power supply also by the first resistance and the first switch, the XTAL2 pin of described single-chip microcomputer is connected with the XTAL1 pin of self by agitator, described agitator be parallel with the second electric capacity and the 3rd electric capacity that are sequentially connected in series, described second electric capacity and the 3rd electric capacity indirectly.
3. as claimed in claim 2 a kind of based on computer-controlled step motor drive control system, it is characterized in that: described RS-232 serial port circuit includes serial interface and MAX232 chip, described serial interface be connected with computer and with 14 pins of MAX232 chip, 13 pin serial connection, 4 pins of described MAX232 chip are connected with 5 pins of self by the 5th electric capacity, 6 pins of described MAX232 chip pass through the 4th capacity earth, 3 pins of described MAX232 chip are connected with 1 pin of self by the 6th electric capacity, 2 pins of described MAX232 chip access power supply by the 7th electric capacity, 16 pins of described MAX232 chip pass through the 8th capacity earth, 12 pins of described MAX232 chip and 11 pins are connected with the P3.0 pin of single-chip microcomputer and P3.1 pin respectively.
4. as claimed in claim 2 a kind of based on computer-controlled step motor drive control system, it is characterised in that: described parameter dial-up input circuit includes the first optocoupler, second optocoupler, 3rd optocoupler, 4th optocoupler, 5th optocoupler, 6th optocoupler, 7th optocoupler and the 8th optocoupler, described first optocoupler, second optocoupler, 3rd optocoupler, 4th optocoupler, 5th optocoupler, 6th optocoupler, the positive pole of the 7th optocoupler and the 8th optocoupler is respectively through the 11st resistance, 12nd resistance, 13rd resistance, 14th resistance, 15th resistance, 16th resistance, 17th resistance and the 18th resistance access power supply, described first optocoupler, second optocoupler, 3rd optocoupler, 4th optocoupler, 5th optocoupler, 6th optocoupler, the negative pole of the 7th optocoupler and the 8th optocoupler is respectively through the first button, second button, 3rd button, 4th button, 5th button, 6th button, 7th button and the 8th button ground connection, described first optocoupler, second optocoupler, 3rd optocoupler, 4th optocoupler, 5th optocoupler, 6th optocoupler, the colelctor electrode of the 7th optocoupler and the 8th optocoupler respectively with the P1.0 pin of single-chip microcomputer, P1.1 pin, P1.2 pin, P1.3 pin, P1.4 pin, P1.5 pin, P1.6 pin and P1.7 pin connect, described first optocoupler, second optocoupler, 3rd optocoupler, 4th optocoupler, 5th optocoupler, 6th optocoupler, the colelctor electrode of the 7th optocoupler and the 8th optocoupler is respectively through the 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance, 9th resistance and the tenth resistance access power supply.
5. as claimed in claim 2 a kind of based on computer-controlled step motor drive control system, it is characterized in that: described driving control circuit includes the first amplifier, second amplifier, 9th optocoupler, first audion and 74LS74 trigger, the CLK pin of described 74LS74 trigger is connected with single-chip microcomputer, the CLR pin of described 74LS74 trigger and the outfan of the second amplifier connect, Q pin and the GND pin of described 74LS74 trigger are connected with the positive pole of the 9th optocoupler and negative pole respectively, end of oppisite phase and the in-phase end of described first amplifier are connected with D/A change-over circuit, the outfan of described first amplifier and the in-phase end of the second amplifier connect, the end of oppisite phase of described second amplifier and the emitter stage of the first audion connect and pass through the 21st resistance eutral grounding, the base stage of described first audion is connected with the emitter stage of the 9th optocoupler, the colelctor electrode of described 9th optocoupler accesses power supply by the 19th resistance, the colelctor electrode of described first audion is connected with motor and passes through the first inductance coil access power supply, described first inductance coil is parallel with the 20th resistance and the first diode that are sequentially connected in series.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521102780.7U CN205304661U (en) | 2015-12-25 | 2015-12-25 | Step motor drive control system based on computer control |
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| CN201521102780.7U CN205304661U (en) | 2015-12-25 | 2015-12-25 | Step motor drive control system based on computer control |
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| CN205304661U true CN205304661U (en) | 2016-06-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406783A (en) * | 2015-12-24 | 2016-03-16 | 赵晓玲 | Stepping motor drive control system based on computer control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406783A (en) * | 2015-12-24 | 2016-03-16 | 赵晓玲 | Stepping motor drive control system based on computer control |
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