CN102566512B - Based on automatic bearing cutting production line dedicated control circuit and the system of figure programming - Google Patents
Based on automatic bearing cutting production line dedicated control circuit and the system of figure programming Download PDFInfo
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- CN102566512B CN102566512B CN201110407532.3A CN201110407532A CN102566512B CN 102566512 B CN102566512 B CN 102566512B CN 201110407532 A CN201110407532 A CN 201110407532A CN 102566512 B CN102566512 B CN 102566512B
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Abstract
The invention discloses a kind of automatic bearing cutting production line dedicated control circuit based on figure programming and system, control circuit comprises automatic assembly line scheduler module, power module, figure DLL (dynamic link library) module, I/O interface module and communication module, the system of application controls circuit comprises engine and drives generation module, figure editor module, compiling generation module, download module and on-line debugging diagnostic module, described engine drives generation module according to the architecture of described control circuit, generate the system engine that control circuit modules is corresponding, comprise system initialization routine, driver, scheduler program etc., for control algolithm provides interface, the present invention has bearing apparatus manufacturing enterprise and reduces control system production cost, the control system that exploitation has independent intellectual property right provides support, adapt to the control of current bearing system of processing more convenient, easy amendment, the needs of easy expansion.
Description
Technical field
The present invention relates to the control circuit of automatic bearing cutting production line, particularly relate to automatic bearing cutting production line dedicated control circuit and system.
Background technology
Machine Tool Industry, as the important component part of mechanized equipment industry, plays a part very important in the evolution of whole national economy.From industry all in all, China's Machine Tool Industry is in since nineteen ninety-two best developing period at present, and market presents the good situation that supply falls short of demand.Especially, since entering the new rise period from 1999, China's Machine Tool Industry output value increases year by year, and product structure constantly adjusts, and product quality improves day by day.
Although China's Machine Tool Industry has achieved very much progress in recent years, but under the situation that the competition of Present Domestic outer Machine Tool Market is extremely fierce, the Machine Tool Industry of China then seems that competitive power is not strong, and being mainly manifested in China is that lathe consumption big country is not also lathe power, lathe owning amount is large but level is low, product slate still falls behind, product innovation capability is poor, lathe reliability need the aspects such as raising.The use of rolling bearing on lathe is mainly used in following three positions: main shaft, ball-screw and general transmission shaft.Rolling bearing is as the complete sets of basic equipment part of lathe, and its performance directly has influence on the rotating speed of lathe, rotating accuracy, rigidity, anti-trembling vibration cutting ability, noise, temperature rise and thermal deformation etc., and then has influence on the precision, surface quality etc. of processing parts.Therefore, high performance lathe must the high performance bearing of adapted.
. Production of bearing equipment actuality
Precision machine tool bearing technology content is high, added value is high, difficulty of processing is large, and Ge great Company of the world has all dropped into the development that great energy carries out precision machine tool bearing.At present, the external manufacturer producing precision machine tool bearing mainly contains German FAG company, French SNF company, Japanese NSK company, Aktiebolaget SKF of Sweden, Japanese NTN company etc.
There is larger gap in China's bearing industry integral level compared with developed countries, particularly in the development of precision bearing, owing to being subject to restriction and the restriction of process equipment, manufacturing process and correlation technique, at present, the manufacturer of domestic energy batch, the precision machine tool bearing that forms a complete production network only has several company such as Zhouyan Tech Co., Ltd, Luoyang, Harbin Asia Group Company.
. bearing apparatus controller present situation
1）PLC
Programmable Logic Controller (PLC) is a kind of infant industry control device based on microprocessor progressively grown up phase late 1960s, is brand-new product computer technology being applied to industrial control field.In recent years, PLC technology controlled at various industrial stokehold, Automatic production line and obtains applying very widely in the control of all kinds of electromechanical integration equipment.But as the product had a large capacity and a wide range, it is in control accuracy, function and there is certain defect in price; Along with the progress of technology, increasing equipment starts to adopt nonshared control unit, realizes best cost performance.
2) nonshared control unit
The research of domestic Production of bearing control system for processing, also be in the starting stage, the enterprise of a whole set of control system's development, production is very few, the design of controller is in the market separated with the exploitation controlling mechanical system, because this present situation causes the inharmonious development of bearing apparatus control system technology, still there is larger gap compared with external product.
. director demon development scheme present situation
At present, bearing apparatus nonshared control unit program generally adopts enclosed development mode, adopt the high level language core control algolithms such as C, VHDL, be solidificated in when controller dispatches from the factory in the media such as EEPROM or Flash, bearing apparatus manufacturing enterprise cannot modify to control algolithm, cannot customize for the specific demand of terminal client to control algolithm.When new demand produces, by bearing apparatus manufacturing enterprise, demand information is delivered to controller manufacturer, controller manufacturer writes corresponding algorithm routine according to demand.In such a mode, owing to not forming a kind of standardized logical language assembly, in exploitation program process, when particularly new controller, new application model produce, be difficult to develop corresponding control algolithm efficiently, reliably, it is unfavorable to bring for rapid response market, a kind of efficient, reliable development mode of market in urgent need.In addition, under current this development mode, controller intellecture property rests in controller developer hand, and bearing apparatus enterprise does not possess intellecture property, for bearing machining control system Own Brand structure, have a negative impact with the market competition of same kind of products at abroad.
Summary of the invention
Have by oneself with low content of technology for current bearing device fabrication enterprise, lack the technology of independent intellectual property right, the upgrading period of product is long, the property demand of fast-changing market demand and client cannot be adapted to, and the hardware condition made full use of in development of embedded system process, reach the object of few parts, high reliability, in conjunction with current bearing control system development trend, propose the automatic bearing cutting production line dedicated control circuit based on figure programming and system.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows:
Based on the automatic bearing cutting production line dedicated control circuit of figure programming, comprise automatic assembly line scheduler module, power module, figure DLL (dynamic link library) module, I/O interface module and communication module, described figure DLL (dynamic link library) module is connected with automatic assembly line scheduler module respectively with I/O interface module, described communication module realize data transmission between modules and with described circuit and outside RS232 serial communication; Described automatic assembly line scheduler module adopts embedded programmable chip, and executive control program production control line, completes data processing, signal transacting, task scheduling, Systematical control work; Described figure DLL (dynamic link library) module provides human-computer interaction function, and supports online configuration technology, can select displaying contents and mode as required; Described I/O interface module adopts the IO interface mode of full isolation; Described power module provides working power for whole circuit.
Further, described power module adopts the mode of two isolation voltage stabilizing to power to circuit, and the mode of described two isolation voltage stabilizing is Voltage stabilizing module input voltage is 24V
+20%, produce stable 5V, and increase one deck isolation Voltage stabilizing module thereafter.
Apply the system of above-mentioned control circuit, comprise engine and drive generation module, figure editor module, compiling generation module, download module and on-line debugging diagnostic module, described engine drives generation module according to the architecture of described control circuit, generate the system engine that control circuit modules is corresponding, comprise system initialization routine, driver, scheduler program etc., for control algolithm provides interface;
Described figure editor module adopts patterned program developing method, provides the generating mode of Self-defining Structure, for subsequent product exploitation, application debugging, maintenance provide basis; The compiling of the graphic package of described figure editor module editor is generated the custom-built machine language of corresponding control circuit module by described compiling generation module, is embedded into engine and drives in generation module, construction system working procedure; The program code that compiling generation module generates downloads in system hardware platform by described download module; Described on-line debugging diagnostic module can carry out on-the-spot on-line debugging diagnosis to described system.
Further, described system realizes control algorithm design by graphical algorithm design environment, and all figure elements are supplied to designer with the form of control and use, and user's drag and drop control on designer designs the editor of ladder diagram.
Further, described entire system program can adopt the design of componentization, debugs correct control algolithm function.
Beneficial effect of the present invention is: utilize the cutting edge technologies such as embedded SOC controller chip, nonshared control unit PLCization and intelligent control technology, develop meet Vehicles Collected from Market trend intelligent control system, developing and opening formula control system hardware and software platform, research simultaneously meets the plant equipment method for designing of bearing machining demand, for the control system that bearing apparatus manufacturing enterprise reduces control system production cost, exploitation has independent intellectual property right provides support, adapt to the needs that current bearing system of processing controls more convenient, easy amendment, easily expansion.
Accompanying drawing explanation
Fig. 1 is control circuit block diagram;
Fig. 2 is the block diagram of system;
Fig. 3 is the schematic diagram of conventional power source module;
Fig. 4 is the schematic diagram of power module of the present invention;
Fig. 5 is the schematic diagram of figure programming technique of the present invention;
Fig. 6 is control program development mode evolution of the present invention.
Embodiment
Below by the present invention is described further with specific embodiment with reference to the accompanying drawings.
The special control of automatic bearing cutting production line based on figure programming comprises hardware system and software systems two ingredients.Hardware system for core with intelligent controller chip, in conjunction with peripheral function parts, forms automatic bearing production line controller mainboard, completes the operation of Production of bearing line traffic control program, simultaneously by production line mechanical hook-up, form production line control system.The present invention technically improves the system of control circuit and application controls circuit existing, and software section is programming, the debugging acid of automatic assembly line controller, completes the debugging of the exploitation of control program and program, monitoring operation function.By this technology, Electrical Engineer conveniently on the production line designed, can realize the programming to production line operation logic, completes the demand for control for the different processing process needed for disalignment fixed bearing element.System research and development content is as described below:
1. control system hardware
Production line controller mainboard is controller critical piece, be responsible for the execution of automatic assembly line scheduler program, as shown in Figure 1, hardware system mainly comprises structured flowchart: automatic assembly line scheduler module, power module, figure DLL (dynamic link library) module, I/O interface module and communication module five major part.
(1) automatic assembly line scheduler module
This module is the nucleus module of whole system, embedded programmable intelligent chip is adopted to be core, executive control program reaches the object of the safe and reliable operation controlling whole production line, mainly complete the work such as the data processing of whole system, signal transacting, task scheduling, Systematical control, specifically comprise logical signal process, analog signal processing, communication data process, graphic display data process, production line operational management etc.
(2) power module
Whole system working power is provided.Be different from general industry control system, bearing mechanical belongs to precision processing machine, each functional part is expensive, misoperation is easily damaged, control system needs High-reliability power source, and therefore during designing power supply module, the power supply of each intermodule needs to carry out isolation processing to improve the antijamming capability of system, also should be fallen by cycle, the EMC such as burst of pulses test thus effectively ensure that whole control system effectively, reliably, is stably run simultaneously.System adopts single 24V power work mode, anti-reflective connection circuit, in order to ensure convenience and the safety of onsite application.
(3) figure DLL (dynamic link library) module
System man-machine interaction is provided, comprises the functions such as working state of system, Signal aspects, optimum configurations, alarm.The online configuration technology of this module support, user can select displaying contents and mode as required, can directly enter configuration environment and revise configuration when not logging off and running amended configuration is directly come into force, and user when generating the application system being applicable to oneself needss or not revise the source code of software program.
(4) I/O interface module
System adopts the input of full isolation to count interface mode, even if in large impact, strong jamming situation, I/O device operation irregularity, is also unlikely to affect kernel control module work, ensures to produce unpredictable working condition under guaranteeing to cross existing uncertain factor outside.
(5) communication module
Mainly realize data transmission and outside RS232 serial communication between internal system, support conventional communication protocol.
Above 5 module compositions main body of automatic bearing production line controller mainboard, provide the hardware operation platform of whole line production system, by the reasonably combined design of intelligent chip and peripheral components, effectively ensure that security of system reliability service, simultaneously for field-programmable provides hardware running environment.
control System Software
System software platform structured flowchart is as shown in Figure 2:
(1) engine drives generation module
According to the architecture of system hardware platform controller, by the system engine that this CMOS macro cell is corresponding, comprise system initialization routine, driver, scheduler program etc., for control algolithm provides interface.
(2) figure editor module
Platform adopts patterned program developing method, use figure programming than use traditional C language or assembly language exploitation more intuitively, more convenient, and be not easy to make mistakes, general Electrical Engineer can grasp, thus for on-the-spot change debugging bring convenient greatly.There is provided the generating mode of Self-defining Structure, for subsequent product exploitation, application debugging, maintenance provide basis.
(3) generation module is compiled
The compiling of the graphic package of figure editor module editor is generated the custom-built machine language of corresponding hardware platform controller, be embedded in engine modules, construction system working procedure.
(4) download module
By special agreement, this agreement can be existing, also, can be downloaded in system hardware platform by the program code that compiling generation module generates from progressive step programming according to oneself needing.
(5) on-line debugging diagnostic module
Slip-stick artist can carry out on-the-spot on-line debugging diagnosis by this module to control program, thus effectively ensures program correctness and reliability.
key problem in technology: 1. power module design
Traditional mechanized equipment controller, what power supply mode adopted usually is provide 24V as the working power of I/O by Switching Power Supply, provides 5V as the working power of system CPU and peripheral components thereof.Its power mode is illustrated as shown in Figure 3:
In figure, Switching Power Supply turns the parts of direct current as exchanging, serve the effect of isolation 220V and direct current 24V, 5V, but the performance of the direct influential system of the output stability of Switching Power Supply, particularly the fluctuation of 5V power supply signal is by causing the work of system chaotic, causes system failure time serious.This controller adopts the mode of two isolation voltage stabilizing to system power supply, and as shown in Figure 4, for this circuit, isolation Voltage stabilizing module input voltage is 24V
+in 20% scope, all can produce stable 5V, be enough to ensure Switching Power Supply power bad cause output voltage to fluctuate time system CPU can normally be worked.In addition, many one deck isolation Voltage stabilizing modules, effectively can improve the anti-power supply disturbance ability of system.Effectively can be ensured the reliability of chip operation by which, and then ensure correctness and the stability of communication data.By project team's actual measurement surface, the controller using this circuit to form can ensure EMC burst of pulses test level Four.
In addition, under this powering mode, owing to adopting single power supply mode, the selection for Switching Power Supply provides great convenience.
. automatic assembly line controller software engine design and generation
Due to the diversity of embedded chip, make user program transplant difficulty, after having changed embedded chip, need overlapping development control program, made development efficiency low.Therefore, in order to realize different application field controller of automatic measurement, select required CPU flexibly, the simultaneously exploitation of completion system fast again, need to provide a kind of method, make to adopt identical development approach to the system be made up of different CPU, the specific implementation details of abstract different CPU.After selecting concrete CPU, again instantiation is carried out to abstract CPU model.Can using Cotex-M3 chip series as point of penetration, engine configuration realizes the description of utility engines, comprises initialization, timer, interruption, communication etc.Utility engines includes the total attribute of all kinds of CPU and framework, for providing unified structure for the engine configuration of particular CPU, and mutual by between engine characteristics Interface realization general character and characteristic of the characteristic of different CPU.Research and develop successfully, when needing the chip of other type when equipment change, can adopt uses the same method realizes the generation of engine fast.
. figure programming technique
For traditional Production of bearing line nonshared control unit, owing to solidifying when program is and is dispatched from the factory by nonshared control unit producer, and being in enclosed program development pattern, bearing apparatus producer for different processing technology update routines, thus cannot limit the exploitation of new product.The bearing nonshared control unit of the present invention's exploitation, adopt open by design theory, to meet bearing apparatus manufacturing enterprise secondary development control algolithm for target, by the design of software and hardware combining, utilize system software platform, the functions such as on-the-spot program change, download, expansion, debugging can be carried out easily, thus the specific demand of customer personalized requirement and special occasions can be met.In addition, by software platform or the manipulater of project development, the inline diagnosis of scene control program program is achieved.For the possibility that satisfied maintenance is improper or after working long hours, some I/O point damages, abnormal logic can be changed at the scene and input or output the function that a little need not remodify program to point for subsequent use, thus greatly raising maintenance efficiency shortens servicing time.System software platform realizes control algorithm design by graphical algorithm design environment.All figure elements are supplied to designer with the form of control and use, and user's drag and drop control on designer designs ladder diagram.System application model is illustrated in fig. 5 shown below:
4. componentization graphical program development pattern
Traditional nonshared control unit adopts the language development control programs such as C, VHDL substantially, and there is debugging trouble, be difficult to investigate thoroughly the problems such as BUG implicit in program, after particularly introducing pointer operation, problem is more serious.The present invention adopts figure as basic logic module, realizes basic logic and controls.Figure logic module through repeatedly testing, is guaranteed correct when Platform Designing.During programming, user realizes the editor of ladder diagram by the mode of dilatory control, only needs the logic being concerned about control algolithm, without the need to worrying whether program exists BUG problem.In addition, entire system program can adopt the design of componentization, debugs correct control algolithm function, and user can easily by Software Component Design method that platform provides, form a building blocks of function, for subsequent product exploitation, debugging, maintenance bring convenience as shown in Figure 6.This project has achieved the design of ladder diagram and the generation of il instruction at present, and realize ladder design by the control mode of drawing, design result can be run with debugging breakpoints, and monitors register.
. field-programmable diagnostic techniques
Pass through system software platform, the functions such as on-the-spot download program, change, expansion, debugging can be carried out easily, thus really achieve the inline diagnosis of on-the-spot program, such as when certain inputs or outputs an appearance extremely, can debug at the scene and change abnormal logic and input or output and a little reach maintenance object, thus greatly improve maintenance efficiency and shorten servicing time.
Adopt the special control of innovation framework and technology, make the structure of product more compact, cut down the number of intermediate links.Current controller cost is reduced by 20% ~ 30%.To apply 500 production lines every year, every bar production line needs 4 controllers, and average every cost-saving 500 yuan of calculating of platform controller, can be enterprise every year and save production cost about 1,000,000 yuan.
System has field-programmable Debugging function, and service engineer can solve most fault by debugging at the scene, thus can quick solution problem, and improve maintenance efficiency, every platform controller maintenance cost of a year can reduce by 40% ~ 50%.Need safeguard 500 every year, cost-saving 500 yuan of calculating safeguarded by every platform controller, can be enterprise every year and save maintenance cost about 250,000 yuan; If project can be promoted, then the field-programmable diagnostic techniques also for China's Production of bearing line while can bringing huge economic benefit brings brand-new theory.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered as in scope.
Claims (4)
1., based on the automatic bearing cutting production line dedicated control circuit of figure programming, it is characterized in that, comprise hardware system and software systems two ingredients, hardware system with intelligent controller chip for core, in conjunction with peripheral function parts, form automatic bearing production line controller mainboard, complete the operation of Production of bearing line traffic control program, simultaneously by production line mechanical hook-up, form production line control system, hardware system comprises automatic assembly line scheduler module, power module, figure DLL (dynamic link library) module, I/O interface module and communication module, described figure DLL (dynamic link library) module is connected with automatic assembly line scheduler module respectively with I/O interface module, described communication module realizes data transmission between modules and described circuit and outside RS232 serial communication, described automatic assembly line scheduler module adopts embedded programmable chip, and executive control program production control line, completes data processing, signal transacting, task scheduling, Systematical control work, described figure DLL (dynamic link library) module provides human-computer interaction function, and supports online configuration technology, can select displaying contents and mode as required, described I/O interface module adopts the IO interface mode of full isolation, described power module provides working power for whole circuit, described dedicated control circuit comprises engine and drives generation module, figure editor module, compiling generation module, download module and on-line debugging diagnostic module, described engine drives generation module according to the architecture of described control circuit, generate the system engine that control circuit modules is corresponding, comprise system initialization routine, driver, scheduler program, for control algolithm provides interface,
Described figure editor module adopts patterned program developing method, provides the generating mode of Self-defining Structure, for subsequent product exploitation, application debugging, maintenance provide basis; The compiling of the graphic package of described figure editor module editor is generated the custom-built machine language of corresponding control circuit module by described compiling generation module, is embedded into engine and drives in generation module, construction system working procedure; The program code that compiling generation module generates downloads in system hardware platform by described download module; Described on-line debugging diagnostic module can carry out on-the-spot on-line debugging diagnosis to system;
Described dedicated control circuit also comprises automatic assembly line controller software engine, after selecting concrete CPU, carry out instantiation again to abstract CPU model; Engine configuration realizes the description of utility engines, comprises initialization, timer, interruption, communication; Utility engines includes the total attribute of all kinds of CPU and framework, for providing unified structure for the engine configuration of particular CPU, and mutual by between engine characteristics Interface realization general character and characteristic of the characteristic of different CPU; When needing the chip of other type when equipment change, can adopt uses the same method realizes the generation of engine fast.
2. the automatic bearing cutting production line dedicated control circuit based on figure programming according to claim 1, it is characterized in that, described power module adopts the mode of two isolation voltage stabilizing to power to circuit, and the mode of described two isolation voltage stabilizing is Voltage stabilizing module input voltage is 24V
+20%, produce stable 5V, and increase one deck isolation Voltage stabilizing module thereafter.
3. the automatic bearing cutting production line dedicated control circuit based on figure programming according to claim 1, it is characterized in that, control algorithm design is realized by graphical algorithm design environment, all figure elements are supplied to designer with the form of control and use, and user's drag and drop control on designer designs the editor of ladder diagram.
4. the automatic bearing cutting production line dedicated control circuit based on figure programming according to claim 1, is characterized in that, global procedures adopts the design of componentization, debugs correct control algolithm function.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102594113A (en) * | 2012-03-21 | 2012-07-18 | 绍兴文理学院 | Bearing cutting hardware power supply based on chart programming |
| CN103376798B (en) * | 2012-04-24 | 2016-02-17 | 绍兴文理学院 | Based on the system of automatic bearing production line nonshared control unit able to programme |
| CN103984291A (en) * | 2014-05-13 | 2014-08-13 | 浙江东盛精密机械有限公司 | Control system special for bearing operation drawing programming |
| CN108563161A (en) * | 2018-01-22 | 2018-09-21 | 深圳市牧激科技有限公司 | Open type intelligent control method, system and computer readable storage medium |
| CN112084669B (en) * | 2020-09-15 | 2024-01-26 | 任新志 | Electromechanical system electromechanical integrated design method |
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