CN202120103U - Distributed control system used for production process automation - Google Patents
Distributed control system used for production process automation Download PDFInfo
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- CN202120103U CN202120103U CN2011201941729U CN201120194172U CN202120103U CN 202120103 U CN202120103 U CN 202120103U CN 2011201941729 U CN2011201941729 U CN 2011201941729U CN 201120194172 U CN201120194172 U CN 201120194172U CN 202120103 U CN202120103 U CN 202120103U
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- control system
- control
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- dcs
- distributed control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
Disclosed is a distributed control system used for production process automation, comprising an on-site control grade, a process control grade, and a process monitoring grade, wherein the on-site control grade comprises an on-site controlling means; the process control grade comprises a standard input-output plate card connected with the on-site controlling means and a controller connected with the standard input-output plate card; and the process monitoring grade comprises an operation station, a managing machine, and a monitoring machine which are connected via a communication network, with the controller being connected with the operation station. The distributed control system, composed of a process control grade and a process monitoring grade, is a multi-grade computer system with the communication network as the link. The distributed control system integrates 4C technology, realizes production process automation, saves manpower resource, improves production efficiency, reduces production cost, and achieves remote monitoring, networking management, and easy installation, debugging, and maintenance. The distributed control system features high cost performance, easy usage, easy expansion, and the like, and facilitates secondary development.
Description
Technical field
The utility model relates to a kind of computer control system that is used for Automation of Manufacturing Process, particularly a kind of Distributed Control System (DCS) that is used for Automation of Manufacturing Process control.
Background technology
The DCS system is the abbreviation of scattered control system (Distributed Control System); General custom is referred to as Distributed Control System (DCS) at home; Itself because high reliability, opening, dirigibility, be easy to safeguard, advantage such as control function is powerful, at home and abroad be widely used.
That the DCS system adopts is open, standardization, modularization and seriation design; Each computing machine adopts the LAN mode to communicate by letter in the system; Realize information transmission; When needs change or during the expanding system function, can be connected into systematic communication network easily or from network, unload increasing computing machine newly, influence the work of other computing machines of system hardly.And system control merit also is dispersed in and realizes on each computing machine that simultaneity factor adopts fault-tolerant design, when a certain the computing machine Shi Buhui that breaks down causes the forfeiture of other functions of system.In addition, because the task that each computing machine is born in the system is more single, can adopt to the function that needs to realize to have the special purpose computer of ad hoc structure and software, the reliability of every computing machine is improved in the system thereby make.
The complete control algolithm of the control function of this type systematic is abundant, and collection stepless control, sequential control and batch processing are controlled in one, can realize advanced control such as tandem, feedforward, decoupling zero, self-adaptation and PREDICTIVE CONTROL, and can add required special control algolithm easily.
Existing DCS system comprises: workstations such as configuration software, real-time data base and active station; Transmit various data through EPA (HSE) between each workstation, the total system information sharing, co-ordination is to accomplish the general function and the optimization process of control system.
But for medium and small sized unit (I/O point sum is in 500), common DCS system seems, and cost is too expensive, and debugging is installed complicacy, the maintenance maintenance difficulty.
The utility model content
The technical matters that the utility model will solve is: overcome medium and small sized unit (I/O point sum is in 500) and use the DCS system cost high; The system debug difficulty; The defective that maintenance workload is big, provide a kind of and save time, laborsaving, efficiently and cheaply be used for the Distributed Control System (DCS) of Automation of Manufacturing Process.
In order to achieve the above object, the technical scheme of the utility model employing is:
The Distributed Control System (DCS) that is used for Automation of Manufacturing Process is characterized in that comprising: field control level, process control level and process monitoring level; The field control level comprises on-site control device; Process control level comprises the standard input and output integrated circuit board that links to each other with on-site control device, the controller that links to each other with standard input and output integrated circuit board; The process monitoring level comprises active station, supervisor and the monitoring machine that links together through communication network; Wherein, controller and active station link together.
In technique scheme; What control system was made up of process control level and process monitoring level is the multi-level computer system of tie with the communication network; Combine computing machine (Computer), communication (Communication), show the 4C technology of (CRT) and control (Control), thereby realized Automation of Manufacturing Process, save human resources; Improve production efficiency, reduced production cost; Realize remote monitoring, network management, convenient installation, debugging and maintenance.And have the price ratio height, use simple, be easy to advantage such as expansion, and be convenient to secondary development.
As a kind of improvement to technique scheme, the technical matters that the utility model further will solve provides fully independently modularization control system of a kind of fielded system and control system.For this reason, as a kind of optimal technical scheme of the utility model, said process control level is the control box structure, on control box, is provided with the standard connection terminal.
Each being integrally formed of parts design with comprising in the process control level just can receive signal through the standard connection terminal, can accomplish all control function, thereby has realized the fully independently modular design of fielded system and control system.
As a kind of improvement, be provided with electric power system in the further control box of the utility model to this optimal technical scheme.
Can provide fielded system all driving electric through this electric power system, form the high reliability power supply product.
Description of drawings
Fig. 1 is the structural representation of first embodiment of the utility model Distributed Control System (DCS) of being used for Automation of Manufacturing Process;
Fig. 2 is the synoptic diagram of the control box structure of embodiment process control level shown in Figure 1;
Fig. 3 is the structural representation of second embodiment of the utility model Distributed Control System (DCS) of being used for Automation of Manufacturing Process;
Fig. 4 is the structural representation of the 3rd embodiment of the utility model Distributed Control System (DCS) of being used for Automation of Manufacturing Process.
Embodiment
Below in conjunction with accompanying drawing and preferred implementation the utility model is done further explanation.
Fig. 1 shows is the structural representation of first embodiment of the utility model Distributed Control System (DCS) of being used for Automation of Manufacturing Process.As shown in the figure, the system of this embodiment comprises: field control level, process control level and process monitoring level.
The field control level comprises on-site control device;
Process control level comprises the standard input and output integrated circuit board (I/O integrated circuit board) that links to each other with on-site control device, the controller that links to each other with standard input and output integrated circuit board;
The process monitoring level comprises active station, supervisor and the monitoring machine that links together through communication network.
Wherein, controller and active station link together.
Said I/O integrated circuit board is mainly accomplished the conversion (A/D and D/A conversion) of input analog and digital signal; Controller is the core component of process control level, and in this embodiment, controller uses the PID controller, and its task is that completion is the process control of major function with PID, and the application program that the user writes based on " configuration " realizes the control requirement.
In this system; Gather various types of signal (temperature, all kinds of electric signal, flow, displacement, composition, pressure etc.) through on-site control device; Deliver to controller through the I/O integrated circuit board; Feed back to the output of I/O integrated circuit board after the adjusting rule computing that the controller completion is set and convert the required signal of on-the-spot various kinds of equipment (illumination, sound and light alarm, blower fan, freezing unit, all kinds of valve, water pump, air-conditioning etc.) into, and it is controlled automatically through on-site control device.
The process monitoring level then is the platform that operating personnel follow the DCS exchange message.The core that is DCS shows, management devices is followed in operation.Operating personnel keep watch on and control production run through active station, can recognize production operation situation through screen, and the numeral of understanding each process variable is with state.And manually automatically switch, revise setting value through active station at any time as required, operations such as adjustment control signal, manipulation field apparatus are to realize the control to production run.
As a kind of optimal way of this embodiment, process control level is the control box structure, has realized fully independently modularization control system of fielded system and control system.Said fielded system is meant process control level and field control level, and control system is meant the process monitoring level.On control box, be provided with standard connection terminal (figure is last not to be shown).Parts in the control box are connected with extraneous through the standard connection terminal; Thereby only need can accomplish all control function through the steering order that the standard connection terminal receives upper active station; And this standard signal interface can make convenience such as other selected voluntarily DCS system of fielded system and user, PLC system, DDC system be connected; Even the system that the own single-chip microcomputer of user is formed can control fielded system, and good compatibility is arranged, and greatly improved user's choice.
Meanwhile, also integrated electric power system can provide fielded system all driving electric in control box, forms the power supply product of high reliability.
Second embodiment of the utility model is the improvement to first embodiment.As shown in Figure 3, the I/O integrated circuit board is connected through data bus with controller.Can on data bus, connect the signal jamproof system thus; After the various types of signal of on-site control device collection is sent the I/O integrated circuit board with charge free; Behind the information compensation and linearization through the signal jamproof system; Deliver to controller through data bus again, controller is delivered to I/O integrated circuit board output signal through bus after accomplishing computing again, has improved the accuracy of control like this.
Wherein, The signal jamproof system carries out information compensation and the linearization except utilizing software approach; Also be used for to system and outer lead shields in case the space radiation electromagnetic interference (EMI); It shows as: to outer lead isolate, filtering, particularly with power cable, signal cable, umbilical cable layered arrangement; Correct design earth point and earthing device improve earthed system; Forbid the merging of signal cable and umbilical cable, forbid cable of weak electric signal and forceful electric power signal common, the rationally correct shielded cable that uses.Can further improve the safe reliability of system thus.
Simultaneously, also can connect the PLC controller on the data bus, realize function control.
In practical application, can do improvement further to control system according to user's needs, like Fig. 4 demonstration is the structural representation of the 3rd embodiment of the utility model.In this embodiment, be connected through communication network between process control level and the process monitoring level, thus a plurality of process control levels can be set, the I/O point sum of expanding system.
Combine accompanying drawing and embodiment that the utility model has been done detailed explanation above, but the utility model is not limited to this.The technician in any present technique field under the prerequisite of the utility model aim, can make various distortion and modification to the utility model in the ken that is possessed.
Claims (8)
1. the Distributed Control System (DCS) that is used for Automation of Manufacturing Process is characterized in that comprising: field control level, process control level and process monitoring level; The field control level comprises on-site control device; Process control level comprises the standard input and output integrated circuit board that links to each other with on-site control device, the controller that links to each other with standard input and output integrated circuit board; The process monitoring level comprises active station, supervisor and the monitoring machine that links together through communication network; Wherein, controller and active station link together.
2. the Distributed Control System (DCS) that is used for Automation of Manufacturing Process according to claim 1 is characterized in that: standard input/output board cartoon is crossed data bus and is linked to each other with controller.
3. the Distributed Control System (DCS) that is used for Automation of Manufacturing Process according to claim 2 is characterized in that: process control level also comprises the signal jamproof system and is connected on the data bus.
4. the Distributed Control System (DCS) that is used for Automation of Manufacturing Process according to claim 2 is characterized in that: process control level also comprises the PLC controller and is connected on the data bus.
5. the Distributed Control System (DCS) that is used for Automation of Manufacturing Process according to claim 1 is characterized in that: said controller is the PID controller.
6. the Distributed Control System (DCS) that is used for Automation of Manufacturing Process according to claim 1 is characterized in that: said process control level links together through communication network and process monitoring level.
7. according to each described Distributed Control System (DCS) that is used for Automation of Manufacturing Process of claim 1-6, it is characterized in that: said process control level is the control box structure, on control box, is provided with the standard connection terminal.
8. the Distributed Control System (DCS) that is used for Automation of Manufacturing Process according to claim 7 is characterized in that: be provided with electric power system in the control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201941729U CN202120103U (en) | 2011-06-10 | 2011-06-10 | Distributed control system used for production process automation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201941729U CN202120103U (en) | 2011-06-10 | 2011-06-10 | Distributed control system used for production process automation |
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| CN202120103U true CN202120103U (en) | 2012-01-18 |
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| CN2011201941729U Expired - Fee Related CN202120103U (en) | 2011-06-10 | 2011-06-10 | Distributed control system used for production process automation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795594A (en) * | 2013-07-08 | 2014-05-14 | 韶关学院 | Industrial monitoring system based on network terminal |
| CN105911930A (en) * | 2016-06-21 | 2016-08-31 | 上海吞山智能科技有限公司 | Control network system adopting industrial measurement and control executors |
| CN113134914A (en) * | 2021-04-06 | 2021-07-20 | 南通海高数控机械有限公司 | Dry-mixed mortar production line control management system |
| CN114488968A (en) * | 2021-12-13 | 2022-05-13 | 浙江中控技术股份有限公司 | DCS (distributed control system) and palm terminal based automatic production method and system |
-
2011
- 2011-06-10 CN CN2011201941729U patent/CN202120103U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795594A (en) * | 2013-07-08 | 2014-05-14 | 韶关学院 | Industrial monitoring system based on network terminal |
| CN105911930A (en) * | 2016-06-21 | 2016-08-31 | 上海吞山智能科技有限公司 | Control network system adopting industrial measurement and control executors |
| CN113134914A (en) * | 2021-04-06 | 2021-07-20 | 南通海高数控机械有限公司 | Dry-mixed mortar production line control management system |
| CN114488968A (en) * | 2021-12-13 | 2022-05-13 | 浙江中控技术股份有限公司 | DCS (distributed control system) and palm terminal based automatic production method and system |
| CN114488968B (en) * | 2021-12-13 | 2024-03-08 | 浙江中控技术股份有限公司 | Automatic production method and system based on DCS system and palm terminal |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20130610 |