CN202178732U - Integrated circuit for driving and controlling three groups of stepping motors - Google Patents
Integrated circuit for driving and controlling three groups of stepping motors Download PDFInfo
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- CN202178732U CN202178732U CN2011202207893U CN201120220789U CN202178732U CN 202178732 U CN202178732 U CN 202178732U CN 2011202207893 U CN2011202207893 U CN 2011202207893U CN 201120220789 U CN201120220789 U CN 201120220789U CN 202178732 U CN202178732 U CN 202178732U
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- 238000005516 engineering process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an integrated circuit for driving and controlling three groups of stepping motors, which comprises a universal serial bus (USB) interface module, a controller, three groups of stepping motor driving chips, three groups of two-phase stepping motors, three switching voltage regulators and a low differential pressure linear voltage regulator. The master controller is an automatic voltage regulator (AVR) series single chip microcomputer, is connected with an upper computer personal computer (PC) through the USB interface module, receives data sent by the upper computer PC, processes the data and sends pulse signals and direction signals to the stepping motor driving chips for controlling the stepping motors to perform accurate locating so as to do forward rotation and reversal rotation. Working voltage is supplied to the stepping motor driving chips by the switching voltage regulators, reference voltage and logic voltage are supplied to the driving chips by the low differential pressure linear voltage regulator, and working voltage is supplied to the USB interface module and the master controller by the low differential pressure linear voltage regulator. The integrated circuit for driving and controlling the stepping motors can reach high positional accuracy simply needing open-loop control, and is simple in structure, easy to control and good in instantaneity.
Description
Technical field
The utility model relates to a kind of driving and control of stepping motor, relates to a kind of integrated circuit that drives and control three groups of stepping motors specifically.
Background technology
Along with science and technology development; Motor development variation gradually; And increasingly high to the Position Control requirement of motor, servomotor, brushless electric machine; Disc type electric machines etc. all are widely used; Servomotor, brushless electric machine, disc type electric machine etc. adopt the positional information analog signal that sensor technology obtains sampling and convert digital signal into through A/D converter and send to control end in the accurate control of position, the parameter of setting with control end compares the accurate location of accomplishing motor, and analog signal exists in the reliability and stability that influence control system to a certain extent in a large number in this process; The existence of signal processing circuit and the design of Control Parameter have caused the complexity of control.
Summary of the invention
The purpose of the utility model is to provide a kind of integrated circuit that drives and control three groups of stepping motors, is to use stepping motor to improve the stability of control, reduces the complexity of control system and realizes locational accurate location.
The utility model solves the technical scheme that its technical problem adopted:
The utility model comprise usb interface module, master controller, three groups of step motor drive chips, with the two-phase stepping motor of corresponding group of number of step motor drive chip, with the regulator and the low pressure difference linear voltage regulator of corresponding group of number of step motor drive chip; One end of usb interface module is connected with PC, and the other end of usb interface module is connected with three groups of two-phase stepping motors through master controller, three groups of step motor drive chips; One end of three regulator is connected with external power source, and the other end of three regulator is connected with each group step motor drive chip respectively; Low pressure difference linear voltage regulator is respectively usb interface module, master controller and three groups of step motor drive chips required voltage is provided.
Said three groups of step motor drive chips are made up of first group of 5 chip for driving, second group of 10 chip for driving and the 3rd group of 5 chip for driving respectively; Three groups of two-phase stepping motors are made up of first group of 5 two-phase stepping motor, second group of 10 two-phase stepping motor and the 3rd group of 5 two-phase stepping motors respectively.
In the said usb interface module (1); The DM of usb interface module, DP link to each other with USBDM, the USBDP that USB changes serial port chip; Convert serial communication into usb communication; The reception data-signal RXD that USB changes serial port chip links to each other with PC2, the PC3 of master controller respectively with transmission data-signal TXD; The data that are used between PC and the master controller transmit, and USB interface provides 5V voltage and links to each other with VCC that the input Vin and the USB of low pressure difference linear voltage regulator change serial port chip through diode, for USB commentaries on classics serial port chip provides operating voltage; Output end vo ut links to each other with VCCIO, the VCC of master controller, the VDD of three groups of step motor drive chips, VREF that USB changes serial port chip, and required voltage is provided.
Said master controller links to each other with three groups of step motor drive chips through the I/O mouth; Per two I/O pins link to each other with a chip for driving; PE6, PE7, PF6, PF7, PH0-PH7, PJ0-PJ7 link to each other with the turn signal line DIR of three groups of step motor drive chips; Turning to of control step motor; PC4, PC5, PD0-PD5, PE0-PE5, PF0-PF5 link to each other with the pulse signal-line STEP of three groups of step motor drive chips, the position of control step motor, and four line stepping motors are continuous mutually with two for the OUT1A of step motor drive chip, OUT1B, OUT2A, OUT2B; The maximum of chip for driving is output as 35V voltage, 2.5A electric current, limits the size of current of the motor windings of flowing through through the resistance R 17 on setting chip for driving SENSE1 and the SENSE2, the value of R21.
Said three regulator are that three groups of step motor drive chips provide operating voltage; The power supply that the input pin VIN and the outside of three regulator provide links to each other; Output pin VOUT links to each other with VBB2 with the VBB1 of the chip for driving of three groups of stepping motors respectively; Through selecting different external resistance R 1, R2, the value of capacitor C 1, C5, C6 and inductance L 1 is exported three groups of voltages that stepping motor is required.
The utility model is compared with background technology, and the beneficial effect that has is:
1. just the stepping motor accurate position control be can realize in open loop situations, position transducer and signal processing circuit thereof saved; There are not Control Parameter design problem and wiring simple.
2. can control three groups of stepping motors simultaneously and work simultaneously, operate steadily, and the real-time of control is good.
Therefore, the utility model adopts integrated circuit can satisfy the performance that drives and control three groups of stepping motors.
Description of drawings:
Fig. 1 is the basic composition sketch map of the utility model.
Fig. 2 is the usb interface module circuit diagram of the utility model
Fig. 3 is the stepping motor control circuit figure of the utility model.
Among the figure: 1.USB interface module, 2. master controller (ATxmega128A1-AU), 3. three groups of step motor drive chips (A3977), 4. three groups of two-phase stepping motors, 5. three regulator (1m2596), 6. low pressure difference linear voltage regulator (AS1117-3.3V).
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further
As shown in Figure 1, the utility model comprise usb interface module 1, master controller 2, three groups of step motor drive chips 3, with the two-phase stepping motor 4 of 3 corresponding groups of numbers of step motor drive chip, with the regulator 5 and the low pressure difference linear voltage regulator 6 of 3 corresponding groups of numbers of step motor drive chip; One end of usb interface module 1 is connected with PC, and the other end of usb interface module 1 is connected with three groups of two-phase stepping motors 4 through master controller 2, three groups of step motor drive chips 3; One end of three regulator 5 is connected with external power source; One end of three regulator 5 is connected with each group step motor drive chip 3 respectively, and low pressure difference linear voltage regulator 6 is respectively usb interface module 1, master controller 2 and three groups of step motor drive chips 3 required voltage is provided.Receive the data that PC sends through usb interface module 1, master controller 2 deal with data send pulse signal and direction signal is controlled three groups of two-phase stepping motors, 4 location and forward and backward motion; By regulator 5 is that three groups of step motor drive chips 3 provide different operating voltages; Be that three groups of stepper drive chips 3 provide reference voltage and logic voltage and be that usb interface module 1 provides required voltage with master controller 2 by low pressure difference linear voltage regulator 6.
Said three groups of step motor drive chips 3 are made up of first group of 5 chip for driving, second group of 10 chip for driving and the 3rd group of 5 chip for driving respectively; Three groups of two-phase stepping motors 4 are made up of first group of 5 two-phase stepping motor, second group of 10 two-phase stepping motor and the 3rd group of 5 two-phase stepping motors respectively.
Like Fig. 2, shown in Figure 3; Said usb interface module 1 comprises that USB interface and USB change serial port chip; The DM of USB interface, DP link to each other with USBDM, the USBDP that USB changes serial port chip with DM, DP; Convert serial communication into usb communication, receive the data that PC sends over through USB interface, the data of PC transmission comprise the electric plane No. of 20 stepping motors, turn to and positional information.The reception data-signal RXD that USB changes serial port chip links to each other with PC2, the PC3 of master controller respectively with transmission data-signal TXD; The data that are used between PC and the master controller transmit; USB interface provides 5V voltage and links to each other with VCC that the input Vin of low pressure difference linear voltage regulator 6 and USB change serial port chip through diode F1; For USB changes serial port chip operating voltage is provided; Output end vo ut links to each other with VCCIO, the VCC of master controller 1, the VDD of three groups of step motor drive chips 3, VREF that USB changes serial port chip, and required voltage is provided.
As shown in Figure 3, a stepping motor that drives in first group of two-phase stepping motor with first chip for driving in first group of chip for driving among the figure is an example, and PC4 links to each other with the STEP of chip for driving, and PE6 links to each other with the DIR of chip for driving.The OUT1A of step motor drive chip, OUT1B, OUT2A, OUT2B link to each other with two-phase stepping motor.According to the stepping motor operation principle, master controller 2 sends each phase winding that pulse signal is sent into stepping motor after through chip for driving successively, makes stepping motor rotation step by step.When definite stepping motor rotation direction DIR, send pulse signal through STEP, pulse signal of every transmission, stepping motor is relative turns over a step angle, turns to and umber of pulse according to the data setting that sends over, to meet the requirements of the position.The maximum of chip for driving is output as 35V voltage, 2.5A electric current, limits the size of current of the motor windings of flowing through through the resistance R 17 on setting chip for driving SENSE1 and the SENSE2, the value of R21.
As shown in Figure 3; Be connected to example with first chip for driving in a regulator and the first group of step motor drive chip among the figure; The power supply that the input pin VIN and the outside of regulator provide links to each other; Output pin VOUT links to each other with VBB2 with the VBB1 of the chip for driving of stepping motor respectively, and through selecting non-essential resistance R1, R2, the value of capacitor C 1, C5, C6 and inductance L 1 is exported the required voltage of stepping motor.
Claims (5)
1. integrated circuit that drives and control three groups of stepping motors is characterized in that: comprise usb interface module (1), master controller (2), three groups of step motor drive chips (3), with the two-phase stepping motor (4) of corresponding group of number of step motor drive chip (3), with the regulator (5) and the low pressure difference linear voltage regulator (6) of corresponding group of number of step motor drive chip (3); One end of usb interface module (1) is connected with PC, and the other end of usb interface module (1) is connected with three groups of two-phase stepping motors (4) through master controller (2), three groups of step motor drive chips (3); One end of three regulator (5) is connected with external power source; The other end of three regulator (5) is connected with each group step motor drive chip (3) respectively, and low pressure difference linear voltage regulator (6) is respectively usb interface module (1), master controller (2) and three groups of step motor drive chips (3) required voltage is provided.
2. a kind of integrated circuit that drives and control three groups of stepping motors according to claim 1 is characterized in that: said three groups of step motor drive chips (3) are made up of first group of 5 chip for driving, second group of 10 chip for driving and the 3rd group of 5 chip for driving respectively; Three groups of two-phase stepping motors (4) are made up of first group of 5 two-phase stepping motor, second group of 10 two-phase stepping motor and the 3rd group of 5 two-phase stepping motors respectively.
3. a kind of integrated circuit that drives and control three groups of stepping motors according to claim 1; It is characterized in that: in the said usb interface module (1); The DM of USB interface, DP link to each other with USBDM, the USBDP that USB changes serial port chip; Convert serial communication into usb communication, the reception data-signal RXD that USB changes serial port chip links to each other with PC2, the PC3 of master controller respectively with transmission data-signal TXD, and the data that are used between PC and the master controller transmit; USB interface provides 5V voltage and links to each other with VCC that the input Vin of low pressure difference linear voltage regulator (6) and USB change serial port chip through diode; For USB changes serial port chip operating voltage is provided, output end vo ut links to each other with the VCCIO of USB commentaries on classics serial port chip, the VCC of master controller (2), VDD, the VREF of three groups of step motor drive chips (3), and required voltage is provided.
4. a kind of integrated circuit that drives and control three groups of stepping motors according to claim 1; It is characterized in that: said master controller (2) links to each other with three groups of step motor drive chips (3) through the I/O mouth; Per two I/O pins link to each other with a chip for driving; PE6, PE7, PF6, PF7, PH0-PH7, PJ0-PJ7 link to each other with the turn signal line DIR of three groups of step motor drive chips (3); Turning to of control step motor; PC4, PC5, PD0-PD5, PE0-PE5, PF0-PF5 link to each other with the pulse signal-line STEP of three groups of step motor drive chips (3), the position of control step motor, and four line stepping motors are continuous mutually with two for the OUT1A of step motor drive chip (3), OUT1B, OUT2A, OUT2B; The maximum of chip for driving is output as 35V voltage, 2.5A electric current, limits the size of current of the motor windings of flowing through through the resistance R 17 on setting chip for driving SENSE1 and the SENSE2, the value of R21.
5. a kind of integrated circuit that drives and control three groups of stepping motors according to claim 1; It is characterized in that: said three regulator (5) are that three groups of step motor drive chips (3) provide operating voltage; The input pin VIN of three regulator (5) links to each other with the power supply that the outside provides; Output pin VOUT links to each other with VBB2 with the VBB 1 of the chip for driving (3) of three groups of stepping motors respectively; Through selecting different external resistance R 1, R2, the value of capacitor C 1, C5, C6 and inductance L 1 is exported three groups of voltages that stepping motor is required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202207893U CN202178732U (en) | 2011-06-24 | 2011-06-24 | Integrated circuit for driving and controlling three groups of stepping motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202207893U CN202178732U (en) | 2011-06-24 | 2011-06-24 | Integrated circuit for driving and controlling three groups of stepping motors |
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| Publication Number | Publication Date |
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| CN202178732U true CN202178732U (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202207893U Expired - Fee Related CN202178732U (en) | 2011-06-24 | 2011-06-24 | Integrated circuit for driving and controlling three groups of stepping motors |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291075A (en) * | 2011-06-24 | 2011-12-21 | 浙江理工大学 | Integrated circuit for driving and control three groups of stepper motors |
| CN104972965A (en) * | 2014-04-11 | 2015-10-14 | 信昌机械厂股份有限公司 | Vehicle telescopic horn structure |
-
2011
- 2011-06-24 CN CN2011202207893U patent/CN202178732U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291075A (en) * | 2011-06-24 | 2011-12-21 | 浙江理工大学 | Integrated circuit for driving and control three groups of stepper motors |
| CN102291075B (en) * | 2011-06-24 | 2013-05-01 | 浙江理工大学 | Integrated circuit for driving and control three groups of stepper motors |
| CN104972965A (en) * | 2014-04-11 | 2015-10-14 | 信昌机械厂股份有限公司 | Vehicle telescopic horn structure |
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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: 20120328 Termination date: 20120624 |