CN103048964A - System and method for controlling door control unit driving control distribution - Google Patents
System and method for controlling door control unit driving control distribution Download PDFInfo
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- CN103048964A CN103048964A CN2012105429885A CN201210542988A CN103048964A CN 103048964 A CN103048964 A CN 103048964A CN 2012105429885 A CN2012105429885 A CN 2012105429885A CN 201210542988 A CN201210542988 A CN 201210542988A CN 103048964 A CN103048964 A CN 103048964A
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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
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Abstract
The invention discloses a system and a method for controlling door control unit driving control distribution. The control system comprises three levels of control, wherein the first level is distribution process control level, the second level is concentrated operation monitoring level, and the third level is integrated information management level; the distribution process control level and the concentrated operation monitoring level are connected by a communication network; the concentrated operation monitoring level is connected to an LAN (local area network) through a gateway; the LAN is connected with the integrated operation monitoring level; and a gateway of the integrated operation monitoring level is connected with other local area networks. Data acquisition and control are realized in place through a field control station and a measurement and control device of a door control unit (DCU), data from process control level is operated and managed in a concentrated way through a monitoring computer of the concentrated operation monitoring level, and parameters of the DCU are modified by monitoring the computer to control an intelligent adjustor. Paved cables are reduced, the cost is saved, the system is convenient to maintain, and all the safety gates can be monitored in real time.
Description
Technical field
The present invention relates to a kind of door control unit and drive control scattered control system and control method.
Background technology
DCS (Distributing Control System) computer control system has another name called distributed computer control system, be called for short collective and distributive type control system (DCS), its essence is and utilize computer technology production run to be concentrated a kind of new control technology of supervision, operation, management and decentralised control.He is mutually developed, permeates and produced by computer technology, signal processing technology, survey control technology, communication network technology and human-machine interface technology, the blind controller system that both had been different from dispersion, be different from again Centralized Control System, it is the advantage that has absorbed both, and a door system engineering that grows up on their basis, have very strong vitality and significant superiority.
Control algolithm is abundant, and collection stepless control, sequential control and batch processing are controlled in one, can realize the advanced control such as tandem, feedforward, decoupling zero, self-adaptation and PREDICTIVE CONTROL, and can add easily required special control algolithm.
Since U.S. Honeywell (Honey Well) first set dcs TDCS-2000 came out in 1975, dcs is widely used in the every field of Industry Control, with the reliability of its height, easily configuration software, abundant control algolithm, open networked capabilities, become gradually the automatically main flow system of control of process industrial.
In recent years, production industry has further improved the factory integrated automation level, pay attention to informationalized construction, particularly the numerous and confused plant level supervisory information system (SIS) that proposes to be fit to own factory of the thermal power plant of various places is realized the exchanges data between factory management infosystem and the various scattered control system to enhance productivity.The level of factory Sis Based On Pi Database is take scattered control system as the basis, take economical operation with improve electricity power enterprise's overall efficiency as purpose, adopt advanced, applicable, effective professional computing method, realize that whole power plant scope internal information is shared, real-time information monitoring and the scheduling of level of factory production run, the while has been improved again the reliability of unit operation.It is for the decision-making of power plant management layer provides truly, reliable real-time running data, for the enterprise under the market promotion provides science, economic index accurately.
The constituted mode of DCS is very flexible, can be formed by supervisory computer station, operator station, engineer station, recording station, field control station and the data acquisition station etc. of special use, also can be made of general server, industrial control computer and Programmable Logic Controller, flexible configuration, configuration are conveniently.So far, hundreds of the manufacturers in the whole world have developed various types of dcss more than 1500 and have planted, DCS is widely used in the industrial circles such as metallurgy, electric power, chemical industry, oil and papermaking with its advanced person, reliable, flexibly and control easy and reasonable prices and obtain numerous industrial users' favor.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of probability that causes the whole system paralysis because a door control unit DCU is out of order that reduces is being provided, and the realization of the mode by communication the data acquisition of opposite house and the modification of parameter, can carry out Real Time Monitoring to the running status of all safety doors, save cost, door control unit easy to maintenance drives control scattered control system and control method.
The objective of the invention is to be achieved through the following technical solutions: door control unit drives the control scattered control system, and it comprises three grades of controls: the first order is the dispersion process controlled stage, and the second level is the centralized operation monitoring level, and the third level is the generalized information management level; Described dispersion process controlled stage comprises field control station, programmable logic controller (PLC) PLC, intelligent regulator and measure and control device; The centralized operation monitoring level comprises slip-stick artist's active station, operator's active station, supervisory control comuter and gateway; The generalized information management level comprises supervisory computer and gateway; Adopt communication network to carry out network connection between dispersion process controlled stage and the centralized operation monitoring level, the centralized operation monitoring level is connected to localized network LAN by gateway, localized network LAN links to each other with the generalized information management level, and the gateway of generalized information management level is connected with other LAN (Local Area Network).
Described field control station comprises on the spot control enclosure LCB, power supply, PC bus, Industrial Control Computer, communication control unit and the automatic display operation of Shou Dong ∕ unit; Its function mainly contains 6 kinds: data acquisition function, Direct Digital control (DDC) function, sequential control function, signal alarm function, printing reports function and data communication function.
Described intelligent regulator is a kind of digitized Controlling Apparatus for Processes, and DC current signal input that can hard to bear 4～20mA is linked to be the master-slave mode communication network by asynchronous communication interface RS-422/485 and RS-232 and host computer.
Slip-stick artist's active station and operator's active station include keyboard, CRT monitor and printer.
Door control unit drives the control decentralized control method and may further comprise the steps:
S1: field control station and the measure and control device of each door control unit DCU are realized data acquisition and control on the spot, and the data that collect are sent to programmable logic device (PLD) PLC;
S2: programmable logic device (PLD) PLC processes and stores the data that receive, and data is sent to the supervisory control comuter of centralized operation monitoring level by data communication network;
S3: the supervisory control comuter of centralized operation monitoring level is to carrying out the centralized operation management from the data of process control level, comprise various optimization calculating, statistical report form, fault diagnosis and display alarm, and the data communication device after will processing is crossed gateway and is connected with LAN LAN;
S4: the operator carries out necessary operation control at slip-stick artist's active station when the running whole system, the slip-stick artist operates control for the generation of carrying out system with when safeguarding at slip-stick artist's active station, and revises the parameter of door control unit DCU by supervisory control comuter control intelligent regulator;
S5: the supervisory computer of generalized information management level receives the data of uploading from the supervisory control comuter of centralized operation monitoring level by LAN LAN, and the data analysis processing to receiving, the generalized information management level can also link to each other with other LAN (Local Area Network) by gateway, all door control unit DCU at a plurality of stations is carried out collective analysis process.
The invention has the advantages that:
(1) reduce the laying of cable, saved construction cost, easy to maintenance;
(2) reduce the probability that causes the whole system paralysis because a door control unit DCU is out of order;
(3) realization of the mode by communication the data acquisition of opposite house and the modification of parameter, can carry out Real Time Monitoring to the running status of all safety doors;
(4) can be connected with other LAN (Local Area Network), conveniently the monitoring computer number of units be expanded.
Description of drawings
Fig. 1 is system architecture synoptic diagram of the present invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing, but the content that the present invention protects is not limited to the following stated.
As shown in Figure 1, door control unit drives the control scattered control system, and it comprises three grades of controls: the first order is the dispersion process controlled stage, and the second level is the centralized operation monitoring level, and the third level is the generalized information management level; Described dispersion process controlled stage comprises field control station, programmable logic controller (PLC) PLC, intelligent regulator and measure and control device; The centralized operation monitoring level comprises slip-stick artist's active station, operator's active station, supervisory control comuter and gateway; The generalized information management level comprises supervisory computer and gateway; Adopt communication network to carry out network connection between dispersion process controlled stage and the centralized operation monitoring level, the centralized operation monitoring level is connected to localized network LAN by gateway, localized network LAN links to each other with the generalized information management level, and the gateway of generalized information management level is connected with other LAN (Local Area Network).
Described field control station comprises on the spot control enclosure LCB, power supply, PC bus, Industrial Control Computer, communication control unit and the automatic display operation of Shou Dong ∕ unit; Its function mainly contains 6 kinds: data acquisition function, Direct Digital control (DDC) function, sequential control function, signal alarm function, printing reports function and data communication function.
Centralized operation monitoring level oriented manipulation person and system engineer, its major function is operation and monitors, have the part management function concurrently, be equipped with supervisory control comuter and external unit and corresponding software, can carry out senior control strategy, fault diagnosis, quality evaluation to production run.
Described intelligent regulator is a kind of digitized Controlling Apparatus for Processes, the DC current signal input of the hard to bear 4～20mA of energy, be linked to be the master-slave mode communication network by asynchronous communication interface RS-422/485 and RS-232 and host computer, accept the control parameter that host computer passes down, and report various procedure parameters.
Described slip-stick artist's active station and operator's active station include keyboard, CRT monitor and printer.
The function of generalized information management level is to realize the generalized information management (mainly comprising production management and operation control) of whole enterprise, except supervisory computer, also be equipped with by the office automation system and factory automation service system, used management information system MIS.
Door control unit drives the control decentralized control method and may further comprise the steps:
S1: field control station and the measure and control device of each door control unit DCU are realized data acquisition and control on the spot, and the data that collect are sent to programmable logic device (PLD) PLC;
S2: programmable logic device (PLD) PLC processes and stores the data that receive, and data is sent to the supervisory control comuter of centralized operation monitoring level by data communication network;
S3: the supervisory control comuter of centralized operation monitoring level is to carrying out the centralized operation management from the data of process control level, comprise various optimization calculating, statistical report form, fault diagnosis and display alarm, and the data communication device after will processing is crossed gateway and is connected with LAN LAN;
S4: the operator carries out necessary operation control at slip-stick artist's active station when the running whole system, the slip-stick artist operates control for the generation of carrying out system with when safeguarding at slip-stick artist's active station, and revises the parameter of door control unit DCU by supervisory control comuter control intelligent regulator;
S5: the supervisory computer of generalized information management level receives the data of uploading from the supervisory control comuter of centralized operation monitoring level by LAN LAN, and the data analysis processing to receiving, the generalized information management level can also link to each other with other LAN (Local Area Network) by gateway, all door control unit DCU at a plurality of stations is carried out collective analysis process.
Claims (5)
1. door control unit drives the control scattered control system, and it is characterized in that: it comprises three grades of controls: the first order is the dispersion process controlled stage, and the second level is the centralized operation monitoring level, and the third level is the generalized information management level; Described dispersion process controlled stage comprises field control station, programmable logic controller (PLC) PLC, intelligent regulator and measure and control device; The centralized operation monitoring level comprises slip-stick artist's active station, operator's active station, supervisory control comuter and gateway; The generalized information management level comprises supervisory computer and gateway;
Adopt communication network to carry out network connection between dispersion process controlled stage and the centralized operation monitoring level, the centralized operation monitoring level is connected to LAN LAN by gateway, LAN LAN links to each other with the generalized information management level, and the gateway of generalized information management level also is connected with other LAN (Local Area Network).
2. door control unit according to claim 1 drives the control scattered control system, and it is characterized in that: described field control station comprises on the spot control enclosure LCB, power supply, PC bus, Industrial Control Computer, communication control unit and the automatic display operation of Shou Dong ∕ unit; Its function mainly contains 6 kinds: data acquisition function, Direct Digital control (DDC) function, sequential control function, signal alarm function, printing reports function and data communication function.
3. door control unit according to claim 1 drives the control scattered control system, it is characterized in that: described intelligent regulator is a kind of digitized Controlling Apparatus for Processes, DC current signal input that can hard to bear 4～20mA is linked to be the master-slave mode communication network by asynchronous communication interface RS-422/485 and RS-232 and host computer.
4. door control unit according to claim 1 drives the control scattered control system, and it is characterized in that: described slip-stick artist's active station and operator's active station include keyboard, CRT monitor and printer.
5. door control unit drives the control decentralized control method, and it is characterized in that: it may further comprise the steps:
S1: field control station and the measure and control device of each door control unit DCU are realized data acquisition and control on the spot, and the data that collect are sent to programmable logic device (PLD) PLC;
S2: programmable logic device (PLD) PLC processes and stores the data that receive, and data is sent to the supervisory control comuter of centralized operation monitoring level by data communication network;
S3: the supervisory control comuter of centralized operation monitoring level is to carrying out the centralized operation management from the data of process control level, comprise various optimization calculating, statistical report form, fault diagnosis and display alarm, and the data communication device after will processing is crossed gateway and is connected with LAN LAN;
S4: the operator carries out necessary operation control at slip-stick artist's active station when the running whole system, the slip-stick artist operates control for the generation of carrying out system with when safeguarding at slip-stick artist's active station, and revises the parameter of door control unit DCU by supervisory control comuter control intelligent regulator;
S5: the supervisory computer of generalized information management level receives the data of uploading from the supervisory control comuter of centralized operation monitoring level by LAN LAN, and the data analysis processing to receiving, the generalized information management level can also link to each other with other LAN (Local Area Network) by gateway, all door control unit DCU at a plurality of stations is carried out collective analysis process.
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| CN2012105429885A CN103048964A (en) | 2012-12-16 | 2012-12-16 | System and method for controlling door control unit driving control distribution |
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| CN104616555A (en) * | 2015-03-06 | 2015-05-13 | 海洋石油工程股份有限公司 | Oil-gas separation analogue simulation system |
| WO2022099632A1 (en) * | 2020-11-13 | 2022-05-19 | 江苏联合创业环保有限公司 | Dcs control system for vertical wet-type high-voltage electrostatic precipitator |
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Application publication date: 20130417 |