CN202818206U - Brush direct current motor control driver - Google Patents
Brush direct current motor control driver Download PDFInfo
- Publication number
- CN202818206U CN202818206U CN2012205044572U CN201220504457U CN202818206U CN 202818206 U CN202818206 U CN 202818206U CN 2012205044572 U CN2012205044572 U CN 2012205044572U CN 201220504457 U CN201220504457 U CN 201220504457U CN 202818206 U CN202818206 U CN 202818206U
- Authority
- CN
- China
- Prior art keywords
- control
- chip
- chip microcomputer
- full
- motor control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses a brush direct current motor control driver, and relates to the field of control and drive. A hardware circuit comprises a single chip microcomputer, an opto-coupler, at least two serial communication chips, an AD converter, a DA converter, an analog PID, two timers, a PLD and a full H-bridge circuit. The opto-coupler is connected with an external limit switch for receiving signals. The serial communication chip 1 is connected with an external sensor, and uses a half-duplex mode for receiving external data. The serial communication chip 2 is connected to a host computer, and uses a full-duplex mode for communication. The brush direct current motor control driver is high in circuit integration, is stable and reliable in work, is convenient for debugging and maintenance, and has the advantages of quick response speed, strong drive ability, complete functions, low cost, strong adaptability for different motors, etc.
Description
Technical field
The utility model relates to control and driving field, be particularly related to a kind of can be applicable to multiple occasion have data receiver, host computer communication, speed ring, position ring, digital PID electric current loop and an analog pid current loop control, and full H bridge drive function brushless motor control driver arranged.
Background technology
The SERVO CONTROL driver is a kind of circuit of controlling with drive motors, is mainly used in control and drives various forms of motors, realizes hi-Fix, follows fast, the servo function such as tenacious tracking.Generally by position, speed, three kinds of modes of electric current (moment) motor is controlled; By modes such as half H bridge, full H bridge, PWM pulse-width modulations motor is driven.In the SERVO CONTROL field, to Electric Machine Control and the common pattern that adopts control circuit and drive circuit separate design of driving.This traditional Design Mode integrated level is low, and the integrated circuit board volume is large, and cost is high; Simultaneously most control circuit adopts the framework of DSP+FPGA, and its sky high cost is not suitable for the relatively low servo-control system of overall performance requirement.
The utility model content
The utility model provides a kind of Electric Machine Control driver that can be applied to multiple servo-control system, has the characteristics such as integrated level height, complete function, driving force be strong, with low cost.
The utility model refers in particular to the control of brushless motor driver in the servo system.
The technical solution adopted in the utility model is as follows: a kind of have a brushless motor control driver, and hardware circuit comprises single-chip microcomputer, optocoupler, at least two serial communication chips, AD conversion, DA conversion, analog pid, two timers, PLD and full H bridge circuits; Described optocoupler is connected the reception signal with outside limit switch; Serial communication chip 1 is connected with external sensor, adopts half-duplex mode to receive external data; Serial communication chip 2 is connected with host computer, adopts full duplex mode to communicate by letter with host computer; Single-chip microcomputer receives and deal with data, realizes speed ring, the position ring control of control algolithm and servo system.
As preferably: the DA controlled quentity controlled variable that the voltage signal that is obtained by current sample provides through feedback and single-chip microcomputer is relatively regulated control output through analog pid; The pulse signal that the 1 generation cycle of timer is fixing also is connected with timer 2, analog pid is regulated control timer 2 and is produced the adjustable pwm signal of pulsewidth, and it is sent to PLD, PLD realizes driving control to full H bridge by the control logic algorithm, consists of the analog electric current loop of Electric Machine Control.
As preferably: sampled through AD by the voltage signal that current sample obtains, be sent to single-chip microcomputer and realize the digital PID control loop by control algolithm, its parameter can be revised by control algolithm, produces pwm signal by single-chip microcomputer.
As preferably: the full H bridge drive circuit that drive motors rotates comprises power drive chip, power chip and triode.
The utility model has the advantage of: integrated control and driving and one, degree of integration is high; External interface is complete, can accept multichannel limit switch signal, external sensor signal and host computer signal, conveniently is applied to complicated servo-control system; Possess two kinds of current loop implementations, can realize the control of speed ring and position ring; Adopt full H bridge type of drive, driving force is strong; Adopt the high chips of cost performance such as single-chip microcomputer+PLD, with low cost than the DSP+FPGA framework.
Description of drawings
The utility model will describe by embodiment and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the theory diagram of this control driver;
Fig. 2 is the embodiment schematic diagram of this control driver.
Embodiment
A kind of have brushless motor to control driver, comprises single-chip microcomputer, optocoupler, serial communication chip, AD conversion, DA conversion, analog pid, two timers, PLD and full H bridge circuits.Can realize the functions such as control algolithm realization, digital current loop and analog electric current loop structure, the realization of control logic algorithm and the driving of the full H bridge of motor of data receiver, host computer Control on Communication, position loop and speed loop, the serial communication chip is the RS422 chip.
In technique scheme, single-chip microcomputer is connected 2 slice with optocoupler with the RS422 conversion chip by the I/O mouth) be connected, carry out exchanges data.Optocoupler is connected with outside limit switch, receives limit switch signal.RS422 chip 1 is connected with external sensor, adopts the half-duplex operation working method to receive external data; RS422 chip 2 is connected with outside host computer, adopts full-duplex mode communication.
In technique scheme, the voltage signal that is obtained by current sample compares by the DA controlled quentity controlled variable that Voltage Feedback and single-chip microcomputer provide, and regulates control through analog pid.Timer 1 produces the fixed cycle pulse signal and is connected with timer 2, and the PID output variable is regulated timer 2 and produced the adjustable pwm signal of pulsewidth, and it is sent to the PLD chip.PLD realizes the driving of full H bridge is controlled by the control logic algorithm, consists of the analog electric current loop of Electric Machine Control.The analog electric current loop pid parameter determined by hardware, can for special parameter brushless motor setting arranged, have the high advantage of loop bandwidth, conveniently be applied to the servo-control system high to required precision.
In technique scheme, the voltage signal that is obtained by current sample can also be sent to single-chip microcomputer after the AD sampling, realize the digital PID control loop by the control algolithm in the single-chip microcomputer.Its parameter can be revised flexibly by control algolithm, directly produces pwm signal by single-chip microcomputer and is sent to the PLD chip.The pid parameter of digital current loop can have brushless motor adaptive online for multiple, and loop bandwidth is low than analog electric current loop, can conveniently be applied to the general servo-control system of precision.
In technique scheme, single-chip microcomputer is connected with the PLD chip, control signal is sent to the control of PLD chip completion logic and produces drive signal, afterwards it is sent to by power pipe driving chip, power tube and triode to consist of full H bridge drive circuit.Full H bridge drive circuit has brushless motor to be connected with the outside, and drive motors rotates.
Anticipate as depicted in figs. 1 and 2, the implementation method of control driver can be as follows:
● the control circuit part
Single-chip microcomputer adopts C8051F340, and optocoupler adopts TLP521-4, and the RS422 chip adopts MAX490ESA.Outside limit switch signal is isolated by optocoupler, and it is sent to single-chip microcomputer.The position signalling that external sensor sends is sent to single-chip microcomputer after changing by RS422 chip 1.Host computer and single-chip microcomputer communicate by RS422 chip 2.After single-chip microcomputer receives the host computer order, by optocoupler and RS422 chip 1 Real-time Collection limit switch and sensing data and obtain the current state of servo system; Afterwards single-chip microcomputer analysis and the order of response host computer provide control signal by control algolithm.
In addition, when single-chip microcomputer by analyze limit switch signal and sensing data judge finish the host computer order after, can transmit completion signal to host computer by RS422 chip 2.
● analog electric current loop and digital current loop section
The analog electric current loop hardware circuit is by timer chip ICM7555ID, PLD chip GAL16V8D-15LJI, the compositions such as DA chip AD5447.Carry out the voltage signal that current sample obtains by sampling resistor, through the DA controlled quentity controlled variable of feedback and single-chip microcomputer output relatively, by being regulated by analog pid, the pwm signal that control timer 1 and timer 2 combination results pulse duration are adjustable also is sent to the PLD chip with it.The pwm signal that the control signal that PLD chip reception single-chip microcomputer transmits and timer group transmit produces the driving signal by logical algorithm, realizes the analog electric current loop of Electric Machine Control.
Digital current loop hardware is comprised of singlechip chip C8051F340 and the AD sampling module of himself.Sample through AD by the voltage signal that sampling resistor obtains, be sent to single-chip microcomputer and realize the digital PID control loop by control algolithm, its parameter can be revised by control algolithm, produces pwm signal by single-chip microcomputer.
● driving circuit section
The power pipe driving chip adopts TPS2816DBV and NL27WZ16, and power tube has two kinds, selects respectively IRFR3411 and IRFR6215, and triode has two kinds, selects respectively BC807 and BC817.Power pipe driving chip, power tube and triode form full H bridge drive circuit, carry out power amplification and drive external motor rotating to driving signal.
As shown in Figure 2, a kind of have brushless motor control driver to carry out calculation process by receiving outside limit switch signal, sensing data and host computer order according to control algolithm and logical algorithm, drive external motor according to host computer order running, realize the closed-loop control to electric current loop, speed ring and position ring.
The utility model can be applicable to the brushless motor that has of multiple servo system and controls driver, and two kinds of loops of the integrated digital electric current loop of innovation and analog electric current loop are in one.For the particular motor that is applied to high-precision servo control, can select the analog pid electric current loop; For the brushless motor that has that is applied to general occasion, can select the digital PID electric current loop.The parameter of digital PID electric current loop can by the control software modification, can be mated the multiple brushless motor that has.This control driver can also be realized the control to speed ring and position ring, integrated whole SERVO CONTROL functions.
Disclosed all features in this specification except the feature of mutual repulsion, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any changes of within spirit of the present utility model and principle, doing, be equal to and substitute and improvement etc., all should be included within the protection range of the present utility model.
Claims (4)
1. one kind has brushless motor control driver, it is characterized in that: hardware circuit comprises single-chip microcomputer, optocoupler, at least two serial communication chips, AD conversion, DA conversion, analog pid, two timers, PLD and full H bridge circuits; Described optocoupler is connected the reception signal with outside limit switch; Serial communication chip 1 is connected with external sensor, adopts half-duplex mode to receive external data; Serial communication chip 2 is connected with host computer, adopts full duplex mode to communicate by letter with host computer; Single-chip microcomputer receives and deal with data, realizes speed ring, the position ring control of control algolithm and servo system.
2. a kind of brushless motor control driver that has according to claim 1 is characterized in that: the DA controlled quentity controlled variable that the voltage signal that is obtained by current sample provides through feedback and single-chip microcomputer is relatively regulated control output through analog pid; The pulse signal that the 1 generation cycle of timer is fixing also is connected with timer 2, analog pid is regulated control timer 2 and is produced the adjustable pwm signal of pulsewidth, and it is sent to PLD, PLD realizes driving control to full H bridge by the control logic algorithm, consists of the analog electric current loop of Electric Machine Control.
3. a kind of brushless motor control driver that has according to claim 1, it is characterized in that: sampled through AD by the voltage signal that current sample obtains, be sent to single-chip microcomputer and realize the digital PID control loop by control algolithm, its parameter can be revised by control algolithm, produces pwm signal by single-chip microcomputer.
4. a kind of brushless motor control driver that has according to claim 1, it is characterized in that: the full H bridge drive circuit that drive motors rotates comprises power drive chip, power chip and triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205044572U CN202818206U (en) | 2012-09-29 | 2012-09-29 | Brush direct current motor control driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205044572U CN202818206U (en) | 2012-09-29 | 2012-09-29 | Brush direct current motor control driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202818206U true CN202818206U (en) | 2013-03-20 |
Family
ID=47877012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205044572U Expired - Fee Related CN202818206U (en) | 2012-09-29 | 2012-09-29 | Brush direct current motor control driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202818206U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105302168A (en) * | 2015-11-19 | 2016-02-03 | 江西洪都航空工业集团有限责任公司 | Low-cost electric steering engine control method based on single-chip microcomputer |
| CN106452231A (en) * | 2016-10-09 | 2017-02-22 | 哈尔滨工程大学 | Brush DC motor driver and control method thereof |
| CN107678122A (en) * | 2017-11-17 | 2018-02-09 | 北京长峰科威光电技术有限公司 | A kind of focus adjusting mechanism safe spacing control method |
-
2012
- 2012-09-29 CN CN2012205044572U patent/CN202818206U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105302168A (en) * | 2015-11-19 | 2016-02-03 | 江西洪都航空工业集团有限责任公司 | Low-cost electric steering engine control method based on single-chip microcomputer |
| CN106452231A (en) * | 2016-10-09 | 2017-02-22 | 哈尔滨工程大学 | Brush DC motor driver and control method thereof |
| CN106452231B (en) * | 2016-10-09 | 2019-05-17 | 哈尔滨工程大学 | A kind of brushed DC motor driver and its control method |
| CN107678122A (en) * | 2017-11-17 | 2018-02-09 | 北京长峰科威光电技术有限公司 | A kind of focus adjusting mechanism safe spacing control method |
| CN107678122B (en) * | 2017-11-17 | 2020-02-07 | 北京长峰科威光电技术有限公司 | Safety limit control method for focusing mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103078575B (en) | Integrated multifunctional controller for low-power direct-current servomotors | |
| CN103199773B (en) | Servo drive system based on bussing technique | |
| CN203434899U (en) | High-precision servo controller used for multiple motors | |
| CN202268916U (en) | RS485 communication isolation module | |
| CN202818206U (en) | Brush direct current motor control driver | |
| CN201186683Y (en) | Intelligent electric steering engine based on RS232 bus communication | |
| CN106452231B (en) | A kind of brushed DC motor driver and its control method | |
| CN204360214U (en) | A kind of embedded intelligence mobile controller of object manipulator | |
| CN102739146A (en) | Servo control system | |
| CN208174589U (en) | A kind of driving control system for electric machine | |
| CN103701369A (en) | Novel high power density DC brushless motor driver circuit | |
| CN203032929U (en) | Digital steering engine controller capable of detecting counter electromotive force | |
| CN103840727A (en) | Intelligent motor drive circuit used for controlling liquid flow | |
| CN201336646Y (en) | DC-motor stepless speed adjusting gear | |
| CN200997078Y (en) | Motor controlling system of omnibearing discretionary movable robot | |
| CN202872713U (en) | Direct-current motor speed regulation system with wireless remote control function | |
| CN201186684Y (en) | Intelligent electric steering engine based on RS485 bus communication | |
| CN207103322U (en) | A kind of laser cleaning control system | |
| CN207098977U (en) | A kind of new Digit Control Machine Tool permanent-magnet servo motor driving control system | |
| CN202818211U (en) | Eight-axis synchronous stepping motor based control system | |
| CN104407543A (en) | Speed regulating switch of electric tool | |
| CN105227031B (en) | A kind of servomotor controller | |
| CN104009701A (en) | Variable frequency controller for alternating current motor | |
| CN111740648B (en) | Intelligent actuator adopting brushless direct current motor and control method thereof | |
| CN203896245U (en) | AC motor frequency-variable controller |
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: 20130320 Termination date: 20180929 |