CN102207733A - General laser processing device controller and control method thereof - Google Patents
General laser processing device controller and control method thereof Download PDFInfo
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- CN102207733A CN102207733A CN 201010138018 CN201010138018A CN102207733A CN 102207733 A CN102207733 A CN 102207733A CN 201010138018 CN201010138018 CN 201010138018 CN 201010138018 A CN201010138018 A CN 201010138018A CN 102207733 A CN102207733 A CN 102207733A
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- laser
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- programmable logic
- logic device
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25266—Microcontroller combined with plc
Abstract
The invention discloses a general laser processing device controller and a control method thereof. Laser processing is performed through combining an industrial controller and a programmable logic device, wherein the programmable logic device receives instructions sent by the industrial controller, and works of a laser processing device is controlled through a laser control interface and a general industrial motion control interface according to the instructions; demand for analog quantity and I/O quantity of industrial control can be satisfied, and a motor can be controlled through the programmable logic device.
Description
Technical field
The present invention relates to the automatic control technology field, relate in particular to a kind of general laser process equipment controller and control method.
Background technology
In recent years, industrial laser has become the visual plant in the external mechanical industry, is widely used in operations such as cutting, boring, welding and thermal treatment.Laser-processing system combines with computer numerical control technology can constitute the high-efficiency automatic process equipment, for high-quality, efficiently and processing cheaply opened up wide prospect.For example industrial laser is applied to make the lamination machine and the up-coiler of lithium battery, can enhances productivity greatly and the quality of production.With the up-coiler is example, and present battery pole ear is to be welded on the pole piece with equipment such as ultrasound waves mostly.And can directly on pole piece, cut out the lug shape of wanting with laser instrument, improved machining precision and speed greatly.For the lamination machine, available laser directly cuts out the pole piece shape that is used for lamination.
Laser instrument is of a great variety on the market at present, most of laser process equipment is to the control of laser instrument, peripheral component interconnect) or mode and main-machine communication such as USB the method that adopts substantially all is to buy ready-made laser controlling card, with PCI (Peripheral ComponentInterconnect:; The api function operation laser controlling card that control program provides by calling control card producer, thus realization is to the control of laser instrument.The control card that has also provides the demanded storage function, supports off-line processing.These methods are widely used in fields such as laser markings.
But at industrial control field, there is distinct disadvantage in said method: laser controlling card and industrial control unit (ICU) are difficult to integrated; Laser controlling card api function basic fixed, secondary development is subjected to many restrictions, and efficient is low, and very flexible increases the control system structural complexity, increases the development time.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of general laser process equipment controller and control method, has very high integrated level and dirigibility, has improved the exploitation of laser project and the efficient of research.
The present invention has adopted following technical scheme:
A kind of general laser process equipment controller comprises industrial control unit (ICU) and has the programmable logic device (PLD) of the control interface that is connected to laser process equipment; Described programmable logic device (PLD) realizes and the communicating by letter of described industrial control unit (ICU) by programming; Described industrial control unit (ICU) is used for sending instruction to described programmable logic device (PLD); Described programmable logic device (PLD) is used to receive the instruction that described industrial control unit (ICU) sends, and controls laser process equipment work according to described instruction by described laser controlling interface.
Further, described laser controlling interface comprises first control interface that is connected with pulsed laser and second control interface that is connected with continuous wave laser.
Further, described programmable logic device (PLD) also provides general motion interface.Described universal industrial motion interface comprises encoder interfaces, general digital IO interface, digital analog interface, A/D interface, motor interface.
Further, described programmable logic device (PLD) inside solidification has the XY2-100 agreement of communicating by letter with digital galvanometer.
The present invention also provides a kind of general laser process equipment control method, realizes communicating by letter of programmable logic device (PLD) and industrial control unit (ICU) by programming; Send instruction by described industrial control unit (ICU), described programmable logic device (PLD) receives the instruction that described industrial control unit (ICU) sends, and controls laser process equipment work according to described instruction by the laser controlling interface.
Further, described programmable logic device (PLD) is also by general motion interface control motor.
When carrying out the common laser cutting, described programmable logic device (PLD) receives the instruction from described industrial control unit (ICU), by described laser controlling interface and described general controls motion interface control motor, drives laser instrument and processes.
When carrying out the close cut of high speed and super precision, described programmable logic device (PLD) receives the instruction from described industrial control unit (ICU), converts the positional information of described industrial control unit (ICU) output to galvanometer required data and outputs to galvanometer, by galvanometer control Laser Processing.
Beneficial effect of the present invention is: laser controlling interface and industrial motion interface are integrated together, can satisfy the needs of Industry Control for analog quantity, I/O amount, can realize the control of other motors again by programmable logic device (PLD); Realize the secondary development of controller easily; Control system is simple in structure, and the efficient height has dirigibility; And can be applied to the commercial unit of high-speed, high precision.
Description of drawings
Fig. 1 is the structural representation of the general laser process equipment controller of the present invention embodiment;
Fig. 2 is the synoptic diagram of galvanometer control among the general laser process equipment control method of the present invention embodiment;
Fig. 3 is the compensation of the scrambler a during marking on the fly synoptic diagram among the general laser process equipment control method of the present invention embodiment.
Embodiment
In conjunction with the accompanying drawings the present invention is described in further detail below by embodiment.
The general laser process equipment controller of the present invention embodiment comprises industrial control unit (ICU) and has the programmable logic device (PLD) of the control interface that is connected to laser process equipment as shown in Figure 1.Wherein, programmable logic device (PLD) realizes and the communicating by letter of industrial control unit (ICU) by programming; Industrial control unit (ICU) is used for sending instruction to programmable logic device (PLD), and programmable logic device (PLD) receives the instruction that industrial control unit (ICU) sends, and controls laser process equipment work according to instruction by the laser controlling interface.The laser controlling interface comprises the control interface that is connected respectively to pulsed laser and continuous wave laser.Programmable logic device (PLD) is also expanded the universal industrial motion interface, this interface comprises that encoder interfaces, general digital IO interface, digital analog interface, A/D interface, motor interface provide motion control, can finish motion planning, high-speed real-time interpolation, servo filtering control and servo driving, exterior I/O etc.The XY2-100 agreement that is used for galvanometer communication has also been solidified in programmable logic device (PLD) inside.
Industrial control unit (ICU) is an industrial control unit (ICU) of the prior art, and industrial control unit (ICU) adopts built-in industrial controller PC/104 in the present embodiment; Advanced risc processor), DSP (Digital SignalProcessor: digital signal processor), computer, PC/104-PLUS etc. in other embodiments, industrial control unit (ICU) can also be ARM (Advanced RISC Machines:.The operating system that built-in industrial controller PC/104 upward moves can be multiple, as Linux, Windows etc.; Industrial control unit (ICU) PC/104 adopts the extraordinary RTLinux of real-time performance (RealTime Linux: operating system real-time Linux) in the embodiment of the invention, RTLinux is by revising the kernel of conventional Linux, between Linux and hardware interrupts, increased one deck Real-Time Scheduling module, fine and realize the hard real-time requirement quite simply, and do not influence other programs that original Linux goes up operation; In other words, the application program among the industrial control unit (ICU) PC/104 operates in the RTLinux system as real-time process, satisfies the hard real-time requirement of Industry Control to controller.
The programming device that programmable logic device (PLD) adopts is a programming device of the prior art, adopts FPGA (Field Programmble Gateway Array: field programmable gate array) in the present embodiment; CPLD), ARM, DSP etc. among other embodiment, programming device can also be CPLD (Complex Programmable LogicDevice:.
In the present embodiment, PC/104 can be inserted on the base plate PC/104 slot of the controller that has FPGA, communicates by letter with FPGA by the PC/104 bus protocol; Analog to digital converter), DAC (Digital-to-AnalogConverter: digital to analog converter), I/O interface such as orders expand laser instrument, motor, ADC (Analog-to-Digital Converter: on the base plate, on the working control plate, show as forms such as concrete slot or contact pin, by the signal of FPGA processing from these interfaces.
In one embodiment, integrated PC/104 and the general laser process equipment controller that has a FPGA controller can be made the integrated circuit board form, be inserted into and have ISA (Industrial StandardArchitecture: industrial standard architecture bus) on the industrial computer of slot, substitute PC/104 operation system and application program with computer; Or on control panel, add pci interface, insert in the PCI groove of computer.
Provide the method embodiment that uses above-mentioned general laser process equipment controller that laser process equipment is controlled below.Control method comprises: realize communicating by letter of programmable logic device (PLD) and industrial control unit (ICU) by programming; Industrial control unit (ICU) sends instruction to programmable logic device (PLD); Programmable logic device (PLD) receives the instruction that industrial control unit (ICU) sends, and controls laser process equipment work according to this instruction by the laser controlling interface.Programmable logic device (PLD) is also expanded the universal industrial motion interface, this interface comprises that encoder interfaces, general digital IO interface, digital analog interface, A/D interface, motor interface provide motion control, can finish motion planning, high-speed real-time interpolation, servo filtering control and servo driving, exterior I/O etc.
When carrying out the common laser cutting, programmable logic device (PLD) receives the instruction from industrial control unit (ICU), by laser controlling interface and general controls motion interface control motor, drives laser instrument and processes.
When carrying out the close cut of high speed and super precision, use galvanometer to carry out Laser Processing.Programmable logic device (PLD) inside solidification XY2-100 agreement.Programmable logic device (PLD) receives the instruction from industrial control unit (ICU), converts the positional information of industrial control unit (ICU) output to galvanometer required data and outputs to galvanometer, by galvanometer control Laser Processing.
In the prior art, laser instrument can be divided into two kinds of continuous wave laser and pulsed lasers by the way of output of laser.In the present embodiment, pulsed laser is by the control interface of one 25 pin, and promptly the ON/OFF of may command laser instrument, pulsed frequency, laser power etc. provide control interface by the driven by program among the FPGA and to PC/104; Continuous wave laser provides serial ports and I/O multiple control modes, and the serial ports that uses PC/104 to carry in the present embodiment adds that the I/O interface on the FPGA base plate can satisfy the control requirement of continuous wave laser.
Use for common cut, can drive laser instrument by the control of the motor interface on control panel motor and on processing platform, carry out cutting processing; And for the occasion that needs the high speed and precision marking on the fly, replace Electric Machine Control laser by galvanometer to realize mark in X-Y plane deflection, present embodiment further provides respective description.
Galvanometer is an a kind of high precision, high-speed servo-control system of being made up of drive plate and high speed swinging motor, is mainly used in laser marking, body laser inner carving, light of stage control etc.The principle of work of galvanometer is: import a position signalling, and the swing motor, promptly galvanometer will be swung certain angle by the conversion proportion of certain voltage and angle.Whole process adopts close-loop feedback control, by five big control circuit actings in conjunction such as position transducer, error amplifier, power amplifier, position circuit sectionalizer, current integrators.Galvanometer is divided into two kinds of simulation galvanometer and digital galvanometers by the control interface form, and digital galvanometer adopts the XY2-100 control protocol basically.Present embodiment has been realized the XY2-100 agreement in FPGA inside, convert the galvanometer positional information of PC/104 output to digital galvanometer required data and output to galvanometer, galvanometer is exported corresponding deflection angle according to the eyeglass of instruction control inside, can make laser go out required track in the processing platform marking.
In galvanometer control, the input speed of galvanometer position command has determined the speed of Laser Processing.In order to satisfy the accurate control of laser speed, adopt the mode of FPGA internal clocking.Promptly set up a FIFO (First Input First Output: first in first out) memory block, the galvanometer positional information that storage PC/104 calculates in FPGA inside.FPGA regularly issues galvanometer with positional information by the speed of 20 microseconds.As shown in Figure 2.So just, can solve application computes speed and the unmatched problem of actual required process velocity, the influence of also having avoided operating system timing error and PC/104 bus propagation delay that machining precision is brought.
Needing the occasion of marking on the fly, the encoder interfaces on the plate reads in the reading of position feedback scrambler, and application programs is sent to the position command of galvanometer, adds encoder values and does position compensation, outputs to galvanometer again, as shown in Figure 3.
Laser instrument involved in the present invention is applicable to the laser instrument of IPG Photonics company and other manufacturer production.
Pass through said method, the present invention integrates laser controlling interface and universal industrial motion interface, control and the access of paired pulses laser instrument, continuous wave laser, digital galvanometer, motor, scrambler, ADC, DAC, I/O on a plate, have been realized, have very high integrated level and dirigibility, can freely be provided with flexibly the various parameters of laser instrument, greatly facilitate application programming, exempt the nonconforming puzzlement that brings of laser controlling plate function of choosing, improved development efficiency; Industrial control unit (ICU) PC/104 adopts operating system based on real-time Linux to guarantee the hard real-time of Control Software, has improved control performance; Moreover, because the PC/104 volume is little, make that general laser process equipment controller volume is little, have good stability, advantage such as easy for installation.
Above content be in conjunction with concrete embodiment to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the those of ordinary skill of technical field of the present invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. a general laser process equipment controller is characterized in that: comprise industrial control unit (ICU) and have the programmable logic device (PLD) of the control interface that is connected to laser process equipment; Described programmable logic device (PLD)
Realize and the communicating by letter of described industrial control unit (ICU) by programming;
Described industrial control unit (ICU) is used for sending instruction to described programmable logic device (PLD);
Described programmable logic device (PLD) is used to receive the instruction that described industrial control unit (ICU) sends, and controls laser process equipment work according to described instruction by described laser controlling interface.
2. laser process equipment controller as claimed in claim 1 is characterized in that: described laser controlling interface comprises first control interface that is connected with pulsed laser and second control interface that is connected with continuous wave laser.
3. laser process equipment controller as claimed in claim 1 is characterized in that: described programmable logic device (PLD) also provides general motion interface.
4. laser process equipment controller as claimed in claim 3 is characterized in that: described universal industrial motion interface comprises encoder interfaces, general digital IO interface, digital analog interface, A/D interface, motor interface.
5. as each described laser process equipment controller of claim 1 to 4, it is characterized in that: described programmable logic device (PLD) inside solidification is useful on the XY2-100 agreement of galvanometer communication.
6. general laser process equipment control method is characterized in that:
Realize communicating by letter of programmable logic device (PLD) and industrial control unit (ICU) by programming;
Send instruction by described industrial control unit (ICU), described programmable logic device (PLD) receives the instruction that described industrial control unit (ICU) sends, and controls laser process equipment work according to described instruction by the laser controlling interface.
7. laser process equipment control method as claimed in claim 6 is characterized in that: described programmable logic device (PLD) is also by general motion interface control motor.
8. laser process equipment control method as claimed in claim 7, it is characterized in that: when carrying out the common laser cutting, described programmable logic device (PLD) receives the instruction from described industrial control unit (ICU), by described laser controlling interface and described general controls motion interface control motor, drive laser instrument and process.
9. as claim 7 or 8 described laser process equipment control methods, it is characterized in that: when carrying out the close cut of high speed and super precision, described programmable logic device (PLD) receives the instruction from described industrial control unit (ICU), convert the positional information of described industrial control unit (ICU) output to galvanometer required data and output to galvanometer, by galvanometer control Laser Processing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010138018 CN102207733A (en) | 2010-03-29 | 2010-03-29 | General laser processing device controller and control method thereof |
| PCT/CN2011/070309 WO2011120346A1 (en) | 2010-03-29 | 2011-01-17 | General controller and control method for laser processing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010138018 CN102207733A (en) | 2010-03-29 | 2010-03-29 | General laser processing device controller and control method thereof |
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| CN102207733A true CN102207733A (en) | 2011-10-05 |
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| CN 201010138018 Pending CN102207733A (en) | 2010-03-29 | 2010-03-29 | General laser processing device controller and control method thereof |
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| WO (1) | WO2011120346A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360642A (en) * | 2014-11-17 | 2015-02-18 | 深圳市大族激光科技股份有限公司 | Laser cutting machine numerical control system |
| CN106647461A (en) * | 2016-11-23 | 2017-05-10 | 吉林大学 | ARM-FPGA-based automatic coil winding machine control system |
| CN107491012A (en) * | 2017-09-11 | 2017-12-19 | 南通西塔自动化科技有限公司 | A kind of galvanometer controls converting system |
| CN109967895A (en) * | 2019-03-18 | 2019-07-05 | 北京金橙子科技股份有限公司 | A kind of tab design system of processing |
| CN110125548A (en) * | 2019-04-26 | 2019-08-16 | 北京金橙子科技股份有限公司 | A kind of laser digital communications protocol |
| CN113681180A (en) * | 2021-07-14 | 2021-11-23 | 四川橙科通信技术研究院有限责任公司 | High-precision laser drilling system applied to carrier tape |
| CN115494779A (en) * | 2022-09-30 | 2022-12-20 | 深圳市同科激光智能科技有限公司 | Laser control system, laser control panel and laser processing equipment |
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| CN105407642A (en) * | 2015-11-04 | 2016-03-16 | 广东正业科技股份有限公司 | Laser drilling system and laser drilling method |
| CN107671426B (en) * | 2017-10-23 | 2023-11-03 | 深圳市杰普特光电股份有限公司 | Laser marking device and marking method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360642A (en) * | 2014-11-17 | 2015-02-18 | 深圳市大族激光科技股份有限公司 | Laser cutting machine numerical control system |
| CN106647461A (en) * | 2016-11-23 | 2017-05-10 | 吉林大学 | ARM-FPGA-based automatic coil winding machine control system |
| CN107491012A (en) * | 2017-09-11 | 2017-12-19 | 南通西塔自动化科技有限公司 | A kind of galvanometer controls converting system |
| CN109967895A (en) * | 2019-03-18 | 2019-07-05 | 北京金橙子科技股份有限公司 | A kind of tab design system of processing |
| CN110125548A (en) * | 2019-04-26 | 2019-08-16 | 北京金橙子科技股份有限公司 | A kind of laser digital communications protocol |
| CN113681180A (en) * | 2021-07-14 | 2021-11-23 | 四川橙科通信技术研究院有限责任公司 | High-precision laser drilling system applied to carrier tape |
| CN115494779A (en) * | 2022-09-30 | 2022-12-20 | 深圳市同科激光智能科技有限公司 | Laser control system, laser control panel and laser processing equipment |
| CN115494779B (en) * | 2022-09-30 | 2023-09-05 | 深圳市同科激光智能科技有限公司 | Laser control system, laser control panel and laser processing equipment |
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| WO2011120346A1 (en) | 2011-10-06 |
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Application publication date: 20111005 |