CN207105979U - A kind of servo carving machine control device based on ARM and DSP - Google Patents

Abstract

The utility model discloses a kind of servo carving machine control device based on ARM and DSP, including ARM single-chip microcomputers, digital signal processor, driving power amplifying circuit, X-axis servomotor, Y-axis servomotor, X-axis encoder for servo motor, Y-axis encoder for servo motor, current amplification circuit and operator lift roll setting control electromagnet, digital signal processor connects ARM single-chip microcomputers, digital signal processor connects X-axis servomotor and Y-axis servomotor by driving power amplifying circuit, X-axis encoder for servo motor and Y-axis encoder for servo motor are all connected with digital signal processor, ARM single-chip microcomputers connect operator lift roll setting by current amplification circuit and control electromagnet.Servo carving machine control device of the present utility model based on ARM single-chip microcomputers uses the control master chip of ARM single-chip microcomputers and digital signal processor as servo carving machine, cost is cheap, performance and function can greatly promote, Interface Expanding is strong, motor driving power amplifying circuit is stable, and operator lift setting pressure control electric current amplifying circuit is stable.

Description

A kind of servo carving machine control device based on ARM and DSP

Technical field

The utility model belongs to the technical field of plane numerical controlled Machine-Tool Control, and in particular to a kind of watching based on ARM and DSP Take carving machine control device.

Background technology

Advertising equipment is as important component in Digit Control Machine Tool, and species is more and more, and application is also more and more wider.Extensively Accusing with the fastest developing speed in equipment has the equipment such as carving machine, wide format printer, laser cutting machine, scroll machine, spray drawing machine.

Carving machine includes coil paper transmission mechanism, the operator feed mechanism for carrying icking tool or painting pen, operator lift setting pressure control Circuit, INTERPOLATION CONTROL OF PULSE device, Driving mechanism driver and parameter testing operation interface processed.Made in stepping carving machine using stepper motor For the executive component of driving, process velocity is low, and noise is big.Control core chip mainly is used as using 51 single-chip microcomputers at present, and it is electric Road is complicated, and cost is high, and fault rate is high.

The commonly used digital signal processor of motor driver is designed, but its application scalability is not strong.ARM chip latest developments gesture For head than more aggressive, it not only has stronger data operation ability, has been also equipped with very powerful application extension ability, such as more Kind and the hardware interface of dataphone, compatible a variety of external memory storages, compatible a variety of display devices etc..Meanwhile ARM monolithics The price of machine is greatly reduced well below digital signal processor, design cost.

Existing servo carving machine product is the most high-end with tri- brands of GRAPHTEC, MIMAKI, ROLAND, its product system Function embodied in row is concentrated mainly on external interface variation, external memory storage uses USB flash disk and SD card, display interface a variety of Optional, the manual/auto optional, computer software of edge profile cutting that patrols carries wedge angle compensation function.And examined from machine technical security Consider, the control circuit that its machine uses is but very complicated, and machine cost and price are all higher.

Servo carving machine is high in machining efficiency without driving noise, straight line in itself.

Therefore, it is necessary to it is a kind of it is new based on ARM and DSP servo carving machine control device to solve the above problems.

Utility model content

Purpose of utility model：The problem of in order to overcome prior art to exist, the utility model provide it is a kind of based on ARM and DSP servo carving machine control device.

In order to solve the above technical problems, the servo carving machine control device of the present utility model based on ARM and DSP is used Technical scheme be：

A kind of servo carving machine control device based on ARM and DSP, including ARM single-chip microcomputers, digital signal processor, drive Dynamic power amplification circuit, X-axis servomotor, Y-axis servomotor, X-axis encoder for servo motor, Y-axis encoder for servo motor, electricity Current amplifier and operator lift roll setting control electromagnet, in addition to reflective photoelectric sensor, limit switch and/or infrared LED, The reflective photoelectric sensor, limit switch and/or infrared LED are all connected with the ARM single-chip microcomputers, at the data signal Manage device and connect the ARM single-chip microcomputers, the digital signal processor connects the X-axis by the driving power amplifying circuit and watched Motor and Y-axis servomotor are taken, the X-axis encoder for servo motor and Y-axis encoder for servo motor are all connected with the numeral letter Number processor, the ARM single-chip microcomputers, which pass through the current amplification circuit and connect the operator lift roll setting, controls electromagnet.

Wherein, the concrete model of ARM single-chip microcomputers is STM32F103ZET6, STM32F107VCT6, STM32F107R8T6 Or STM32F207ZGT6.The concrete model of digital signal processor is TMS32F2806PZA or TMS320F2808PZA.Driving The concrete model of power amplification circuit is L6201PS or L6203.The model of second isolation circuit and the 3rd isolation circuit is HC245。

In addition to camera, reflective photoelectric sensor, limit switch further, in addition to the first isolation circuit, And/or infrared LED, the camera, reflective photoelectric sensor, limit switch and/or infrared LED by described first every The ARM single-chip microcomputers are connected from circuit.Wherein, limit switch is used for the position for detecting the end wall panel of carving machine two.Red-light LED controls Circuit is used to patrol manually in edge profile cutting, and reflective photoelectric sensor control circuit is used for automatic edge identification profile cut and segmentation In formula automatic edge identification profile cut.Camera is another auxiliary equipment for being used for automatic edge identification profile cut, can be substituted anti- Emitting photoelectric sensor.

Further, in addition to LCD12232 interfaces, 4*8 module displays interface, 4*16 module displays interface, section Code display interface device, ILI9328 color screens interface, XPT2406 touch screen interfaces and/or expansible 4*4 keyboard operations interface, are also wrapped Signal conditioning circuit is included, the LCD12232 interfaces, 4*8 module displays interface, 4*16 module displays interface, segment encode are shown Device interface, ILI9328 color screens interface, XPT2406 touch screen interfaces and/or expansible 4*4 keyboard operations interface are by described Signal conditioning circuit connects the ARM single-chip microcomputers.

Further, in addition to decoupling circuit and/or antistatic circuit, in addition to RS232 interface and/or USB interface, The ARM single-chip microcomputers connect RS232 interface and/or USB interface by decoupling circuit and/or antistatic circuit.

Further, in addition to USB flash disk interface and/or SD card interface, the ARM single-chip microcomputers and USB flash disk interface and/or SD Communicating circuit is provided between card interface.The concrete model of communicating circuit is CH375B.

Further, in addition to the second isolation circuit and/or the 3rd isolation circuit, the digital signal processor pass through Second isolation circuit connects the driving power amplifying circuit, and the X-axis encoder for servo motor and Y-axis servomotor are compiled Code device connects the digital signal processor by the 3rd isolation circuit.

Further, the current amplification circuit is H bridge current amplification circuits.The particular type of H bridge current amplification circuits Number it is L6202 or L6225D.

Further, the current amplification circuit includes L6225D chips, the L6225D chips include IN1A ends, IN2A ends, OUT1A ends, SENSEEA ends, GND ends, ENA ends, VCP ends, VSA ends, OUT2A ends and VBOOT ends；The IN1A ends By resistance R49 connection PWM ends, the IN2A ends connect OUT1-U13 by resistance R50 connection DIR ends, the OUT1A ends End, the SENSEEA ends and GND ends are grounded, and the ENA ends are by resistance R51 connection 3.3V voltage ends and pass through electric capacity C31 Ground connection, the VCP ends connection VCP-U13 ends, the OUT2A ends connection OUT2-U13 ends, the VSA ends connection+12V voltages End, the VBOOT ends connection VBOOT-U13 ends.

Further, the VCP-U13 ends are led to by electric capacity C34 connection VCP-U13-1 ends, the VCP-U13-1 ends Resistance R52 connection VBOOT-U13-1 ends are crossed, the VBOOT-U13-1 ends and VBOOT-U13 ends are connecting diode D3 just respectively Pole and the negative pole ,+12V voltage ends and VBOOT-U13-1 ends connect diode D4 positive pole and negative pole respectively, described VBOOT-U13 ends are grounded by+12V the voltage ends ,+12V voltage ends electric capacity C33 connections Suo Shu by electric capacity C32.

Further, the OUT1-U13 ends connect the OUT2- by the resistance R53 being connected in series with electric capacity C35 U13 ends, diode D1 positive pole and negative pole are grounded respectively to be connect respectively with the OUT1-U13 ends, diode D2 positive pole and negative pole Ground and the OUT2-U13 ends, the OUT1-U13 ends are passed through by inductance FB3 connection FORCE1 ends, the OUT2-U13 ends Inductance FB4 connection FORCE2 ends.

Beneficial effect：Servo carving machine control device of the present utility model based on ARM and DSP using ARM single-chip microcomputers and Control master chip of the digital signal processor as servo carving machine, cost is cheap, and performance and function can greatly promote, interface Autgmentability is strong, and motor driving power amplifying circuit is stable, and operator lift setting pressure control electric current amplifying circuit is stable.

Brief description of the drawings

Fig. 1 is the structural representation of the servo carving machine control device of the present utility model based on ARM and DSP.

Fig. 2 is the schematic diagram of operator lift setting pressure control electric current amplifying circuit.

Embodiment

Refer to shown in Fig. 1 and Fig. 2, the servo carving machine control device of the present utility model based on ARM and DSP, be based on The servo carving machine control device of ARM single-chip microcomputers, including ARM single-chip microcomputers, digital signal processor, driving power amplifying circuit, X Axle servomotor, Y-axis servomotor, X-axis encoder for servo motor, Y-axis encoder for servo motor, current amplification circuit and operator Lift roll setting control electromagnet, in addition to reflective photoelectric sensor, limit switch and/or infrared LED, reflection-type photoelectric sensing Device, limit switch and/or infrared LED are all connected with ARM single-chip microcomputers, digital signal processor connection ARM single-chip microcomputers, at data signal Manage device and X-axis servomotor and Y axle servomotors, X-axis encoder for servo motor and Y-axis are connected by driving power amplifying circuit Encoder for servo motor is all connected with digital signal processor, and ARM single-chip microcomputers connect operator lift roll setting control by current amplification circuit Electromagnet processed.

Also include the first isolation circuit, in addition to camera, reflective photoelectric sensor, limit switch and/or infrared LED, it is mono- that camera, reflective photoelectric sensor, limit switch and/or infrared LED connect ARM by the first isolation circuit Piece machine.Wherein, limit switch is used for the position for detecting the end wall panel of carving machine two.Red-light LED control circuit is used to patrol cincture manually In exterior feature cutting, reflective photoelectric sensor control circuit is used for automatic edge identification profile cut and segmented automatic edge identification profile cut In.Camera is another auxiliary equipment for being used for automatic edge identification profile cut, can substitute reflective photoelectric sensor.

DCDC translation circuits are provided between ARM single-chip microcomputers, digital signal processor and 5V power interfaces.5V is external Power supply produces 3.3V voltages by DCDC translation circuits.24V provides power supply for driving power amplifying circuit, while falls for operator lift Knife pressure control circuit provides power supply, and 5V is 12232 grade display modules, isolation circuit 1, isolation circuit 2, isolation circuit 3, electric current Amplifying circuit, signal conditioning circuit, limit switch, infrared LED control circuit and reflective photoelectric sensor provide power supply, 3.3V Keeping parameter to preserve 1, power down for power down keeps 2 chips of parameter preservation, ARM single-chip microcomputers and digital signal processor to provide power supply.

Also include LCD12232 interfaces, 4*8 module displays interface, 4*16 module displays interface, segment display to connect Mouth, ILI9328 color screens interface, XPT2406 touch screen interfaces and/or expansible 4*4 keyboard operations interface, in addition to signal arrange Circuit, LCD12232 interfaces, 4*8 module displays interface, 4*16 module displays interface, segment display interface, ILI9328 Color screen interface, XPT2406 touch screen interfaces and/or expansible 4*4 keyboard operations interface connect ARM by signal conditioning circuit Single-chip microcomputer.

Also include decoupling circuit and/or antistatic circuit, in addition to RS232 interface and/or USB interface, ARM single-chip microcomputers lead to Cross decoupling circuit and/or antistatic circuit connection RS232 interface and/or USB interface.

Also include USB flash disk interface and/or SD card interface, be provided between ARM single-chip microcomputers and USB flash disk interface and/or SD card interface Communicating circuit.The concrete model of communicating circuit is CH375B.

Also include the second isolation circuit and/or the 3rd isolation circuit, digital signal processor is connected by the second isolation circuit Driving power amplifying circuit is connect, X-axis encoder for servo motor is connected with Y-axis encoder for servo motor by the 3rd isolation circuit Digital signal processor.

Current amplification circuit is H bridge current amplification circuits.The concrete model of H bridge current amplification circuits be L6202 or L6225D。

The concrete model of ARM single-chip microcomputers can be STM32F103ZET6, STM32F107VCT6 or STM32F207ZGT6. The concrete model of digital signal processor is TMS32F2806PZA or TMS320F2808PZA.The tool of H bridge current amplification circuits Body model L6202 or L6225D.The tool of the driving power amplifying circuit set between servomotor and digital signal processor Body model L6201PS or L6203.The concrete model of communicating circuit between USB flash disk interface and ARM single-chip microcomputers is CH375B.Outside Connect between signal conditioning circuit between display and ARM single-chip microcomputers, digital signal processor and driving power amplifying device The concrete model of the 3rd isolation circuit between second isolation circuit, encoder for servo motor and digital signal processor is HC245.Key can show " ox copyright of reclaiming wasteland " printed words in long-press when software version number is shown over the display.ARM monolithics Machine is using PWM and direction DIR signals control H bridge current amplification circuits.ARM single-chip microcomputers are controlled using PWM and direction DIR signals H bridge current amplification circuits.

Wherein, control device has also reserved the interface that external U turns concatenation oralia, net turn string module and bluetooth module.

ARM single-chip microcomputers are connected by RS232 interface or USB interface with computer, are received computer end upper computer software and are sent PLT formatted files, or USB flash disk and plt or txt file in SD card are read, after carrying out INTERPOLATION CONTROL OF PULSE, in ARM single-chip microcomputers Portion obtains the instantaneous velocity of two axles of X/Y, is sent to digital signal processor and completes the position control of two axles, drives X-axis Servomotor and Y-axis servomotor, pass through expansible 4*4 input through keyboard pause, function switch, test, origin setting, processing speed The functions such as degree regulation, knife pressure regulation, while connect in LCD12232 interfaces, 4*8 module displays interface, 4*16 module displays Mouth, segment display interface, ILI9328 color screens interface or XPT2406 touch the current machined parameters of screen display, and realization is carved characters Machine is painted, cut, and the function of completing a set of servo carving machine control system is coordinated with ARM single-chip microcomputers and digital signal processor.

Specifically, current amplification circuit includes L6225D chips, L6225D chips include IN1A ends, IN2A ends, OUT1A End, SENSEEA ends, GND ends, ENA ends, VCP ends, VSA ends, OUT2A ends and VBOOT ends；IN1A ends are connected by resistance R49 PWM ends, IN2A ends are by resistance R50 connection DIR ends, and OUT1A ends connection OUT1-U13 ends, SENSEEA ends and GND ends connect Ground, ENA ends are grounded by resistance R51 connection 3.3V voltage ends and by electric capacity C31, VCP ends connection VCP-U13 ends, OUT2A End connection OUT2-U13 ends, VSA ends connection+12V voltage ends, VBOOT ends connection VBOOT-U13 ends.Wherein, ARM single-chip microcomputers Concrete model is STM32F103ZET6, STM32F107VCT6, STM32F107R8T6 or STM32F207ZGT6.

VCP-U13 ends pass through resistance R52 connections VBOOT- by electric capacity C34 connection VCP-U13-1 ends, VCP-U13-1 ends U13-1 ends, VBOOT-U13-1 ends and VBOOT-U13 ends connect diode D3 positive pole and negative pole respectively ,+12V voltage ends and VBOOT-U13-1 ends connect diode D4 positive pole and negative pole respectively, and VBOOT-U13 ends pass through electric capacity C33 connection+12V voltages End ,+12V voltage ends are grounded by electric capacity C32.

OUT1-U13 ends connect OUT2-U13 ends by the resistance R53 being connected in series with electric capacity C35, and diode D1 is just Pole and negative pole are grounded respectively to be grounded and OUT2-U13 ends, OUT1- respectively with OUT1-U13 ends, diode D2 positive pole and negative pole U13 ends pass through inductance FB4 connection FORCE2 ends by inductance FB3 connection FORCE1 ends, OUT2-U13 ends.Wherein, inductance FB3 It is ferrite inductance with FB4.Also include XH-2P terminals, XH-2P terminals include 1 end and 2 ends, FORCE1 ends and FORCE2 ends 1 end and 2 ends are connected respectively.

Inventive principle：ARM single-chip microcomputers are connected by RS232 interface or USB interface with computer, receive computer end host computer The PLT formatted files that software is sent, or USB flash disk and plt or txt file in SD card are read, after carrying out INTERPOLATION CONTROL OF PULSE, in ARM The instantaneous velocity of two axles of X/Y is obtained inside single-chip microcomputer, is sent to digital signal processor, two are completed by digital signal processor The position control of individual axle, drives X-axis servomotor and Y-axis servomotor.Suspended by expansible 4*4 input through keyboard, function is cut Change, test, origin setting, process velocity regulation, the function such as knife pressure regulation, while in LCD12232 interfaces, 4*8 module displays Interface, 4*16 module displays interface, segment display interface, ILI9328 color screens interface or XPT2406 touch screen display Current machined parameters, realize that carving machine is painted, cut, coordinate a set of servo of completion to carve characters with ARM single-chip microcomputers and digital signal processor The function of machine control system.

Servo carving machine control device of the present utility model based on ARM and DSP is used at ARM single-chip microcomputers and data signal Control chip of the device as servo carving machine is managed, the servo carving machine control system possesses USB free drives and moves direct transfer function, speed Degree is fast, noise is low, patrols the features such as edge profile cutting and automatic edge identification profile cut compatibility, small character excellent effect manually.And into This is cheap, and performance and function can greatly promote, and Interface Expanding is strong, and motor driving power amplifying circuit is stable, and operator lift falls Knife Stress control current amplification circuit is stable.

Claims (8)

1. a kind of servo carving machine control device based on ARM and DSP, it is characterised in that including ARM single-chip microcomputers, data signal Processor, driving power amplifying circuit, X-axis servomotor, Y-axis servomotor, X-axis encoder for servo motor, Y-axis servomotor Encoder, current amplification circuit and operator lift roll setting control electromagnet, in addition to reflective photoelectric sensor, limit switch and/ Or infrared LED, the reflective photoelectric sensor, limit switch and/or infrared LED are all connected with the ARM single-chip microcomputers, the number Word signal processor connects the ARM single-chip microcomputers, and the digital signal processor is connected by the driving power amplifying circuit The X-axis servomotor and Y-axis servomotor, the X-axis encoder for servo motor and Y-axis encoder for servo motor are all connected with institute Digital signal processor is stated, the ARM single-chip microcomputers connect the operator lift roll setting by the current amplification circuit and control electromagnetism Iron, the current amplification circuit include L6225D chips, the L6225D chips include IN1A ends, IN2A ends, OUT1A ends, SENSEEA ends, GND ends, ENA ends, VCP ends, VSA ends, OUT2A ends and VBOOT ends；The IN1A ends are connected by resistance R49 PWM ends, the IN2A ends pass through resistance R50 connection DIR ends, the OUT1A ends connection OUT1-U13 ends, the SENSEEA ends It is grounded with GND ends, the ENA ends are grounded by resistance R51 connection 3.3V voltage ends and by electric capacity C31, and the VCP ends connect Connect VCP-U13 ends, the OUT2A ends connection OUT2-U13 ends, the VSA ends connection+12V voltage ends, the VBOOT ends connection VBOOT-U13 ends；Also include the second isolation circuit and/or the 3rd isolation circuit, the digital signal processor passes through described Two isolation circuits connect the driving power amplifying circuit, and the X-axis encoder for servo motor and Y-axis encoder for servo motor are equal The digital signal processor is connected by the 3rd isolation circuit.

2. the servo carving machine control device according to claim 1 based on ARM and DSP, it is characterised in that：Also include the One isolation circuit, in addition to camera, the camera, reflective photoelectric sensor, limit switch and/or infrared LED are logical Cross first isolation circuit and connect the ARM single-chip microcomputers.

3. the servo carving machine control device according to claim 1 based on ARM and DSP, it is characterised in that：Also include LCD12232 interfaces, 4*8 module displays interface, 4*16 module displays interface, segment display interface, ILI9328 color screens Interface, XPT2406 touch screen interfaces and/or expansible 4*4 keyboard operations interface, in addition to signal conditioning circuit, it is described LCD12232 interfaces, 4*8 module displays interface, 4*16 module displays interface, segment display interface, ILI9328 color screens Interface, XPT2406 touch screen interfaces and/or expansible 4*4 keyboard operations interface connect institute by the signal conditioning circuit State ARM single-chip microcomputers.

4. the servo carving machine control device according to claim 1 based on ARM and DSP, it is characterised in that：Also include going Coupling circuit and/or antistatic circuit, in addition to RS232 interface and/or USB interface, the ARM single-chip microcomputers pass through decoupling circuit And/or antistatic circuit connection RS232 interface and/or USB interface.

5. the servo carving machine control device according to claim 1 based on ARM and DSP, it is characterised in that：Also include U Disk interface and/or SD card interface, communicating circuit is provided between the ARM single-chip microcomputers and USB flash disk interface and/or SD card interface.

6. the servo carving machine control device according to claim 1 based on ARM and DSP, it is characterised in that：The electric current Amplifying circuit is H bridge current amplification circuits.

7. the servo carving machine control device according to claim 1 based on ARM and DSP, it is characterised in that：The VCP- U13 ends by electric capacity C34 connection VCP-U13-1 ends, the VCP-U13-1 ends by resistance R52 connection VBOOT-U13-1 ends, The VBOOT-U13-1 ends and VBOOT-U13 ends connect diode D3 positive pole and negative pole respectively ,+12V the voltage ends and VBOOT-U13-1 ends connect diode D4 positive pole and negative pole respectively, the VBOOT-U13 ends by electric capacity C33 connections Suo Shu+ 12V the voltage ends ,+12V voltage ends are grounded by electric capacity C32.

8. the servo carving machine control device according to claim 1 based on ARM and DSP, it is characterised in that：It is described OUT1-U13 ends connect the OUT2-U13 ends with electric capacity C35 by the resistance R53 being connected in series, diode D1 positive pole and negative Pole be grounded respectively with the OUT1-U13 ends, diode D2 positive pole and negative pole be grounded respectively with the OUT2-U13 ends, it is described OUT1-U13 ends pass through inductance FB4 connection FORCE2 ends by inductance FB3 connection FORCE1 ends, the OUT2-U13 ends.