CN1363907A - Distributed universal network system for acquiring and controlling analog and digital information - Google Patents

Distributed universal network system for acquiring and controlling analog and digital information Download PDF

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Publication number
CN1363907A
CN1363907A CN 01141303 CN01141303A CN1363907A CN 1363907 A CN1363907 A CN 1363907A CN 01141303 CN01141303 CN 01141303 CN 01141303 A CN01141303 A CN 01141303A CN 1363907 A CN1363907 A CN 1363907A
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control
data collection
digital data
network
general
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郑肖惺
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Abstract

The ivnention relates to a distributive network system for collecting and controlling data of general analog and digital quantities. The system includes information management system network, information processing system network and signal processing system network by using hierarchical network interconnection technique, through mode of progressive information exchange to form an integrated network. The polling processor self for collecting and controlling data of general analog and digital quantities in said information processing system network is an independent signal monitoring system which can monitor program by collecting and controlling digital information. Three layers of monitoring method with all distributed treatment and management mode of executing multi monitoring functions is adopted in the invention. The system provides features of high management efficiency, better management, anti-interference and montoring precision.

Description

Distributed general analog quantity and digital data collection and Control Network System
Technical field
The present invention relates to computer distribution type monitor network and electronic equipment automatic management field, especially relate to the network system of utilizing computer distribution type network and analog quantity and digital data collection and control technology to carry out industrial automation management, intelligent building automatic management, the automatic management of intelligent community, intelligent regional automatic management.
Background technology
Development along with modern society, people are more and more higher to the automatic management requirement of industry manufacturing, communal facility and environmental monitoring, proposed the notion of intelligent managements such as industrial automation management, building automatic management, community's automatic management, regional automatic management.So-called intelligent management, be meant by adopting automatization simulation amount and digital data collection and control technology, installation has the automation system network of analog quantity and digital data collection and control, move specific automatic intelligent management software, to improve industrial manufacturing system, the managerial ability of package system, increase substantially the work efficiency of monitored system, avoid occurring administrative delay and reduce the management error, realize controlled system safety accident free, reduce monitored system energy consumption and alleviate Operation and Maintenance staff working strength, thus improvement work and living environment and raising work and quality of life.Basic network system in the present intellectualized management system is exactly analog quantity and digital data collection and Control Network System, generally comprises information management system and signal monitoring system, employing be to concentrate or the method for collecting and distributing two-layer control.Its course of work is: each signal monitoring system directly carries out data acquisition and control to on-the-spot monitored device, and carries out the message exchange communication with information management system simultaneously.But, because existing signal monitoring system adopts the pattern of message exchange communication and on-site data gathering and the concentrated one of control, thereby cause the signal monitoring system's work-load big, and easily bring communication to disturb and the contradiction of monitoring between the precision, this is because if installation too presses close to the working site or object signal too focuses on, and the signal monitoring system is disturbed greatly by communication and signal so; And if install too away from working site or object signal dispersion treatment too, signal monitoring system monitoring precision can reduce greatly so.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, a kind of efficiency of management is higher, managerial ability is stronger, antijamming capability is better, more excellent distributed general analog quantity and digital data collection and the Control Network System of monitoring precision and provide.
The object of the present invention is achieved like this, a kind of distributed general analog quantity and digital data collection and Control Network System, comprise data acquisition and the control information management system network (information management system network) formed by server and workstation and network infrastructure, by general-purpose simulation amount and digital data collection and analog quantity and digital data collection and the control information disposal system network (information handling system network) controlling the poll processor and equation fieldbus networks infrastructure is formed, and analog quantity and digital data collection and the control signal disposal system network (signal processing system network) formed by RS-485 fieldbus of general-purpose simulation amount and digital data collection and control signal conditioner and the strong interference free performance of tool etc., it is characterized in that described information management system network, the information handling system network, and the mode of signal processing system network using hierarchical network interconnection technique by message exchange step by step connects into a complete distributed general analog quantity and digital data collection and Control Network System; Described general-purpose simulation amount and digital data collection are independently signal monitoring systems with operation intelligent digital information acquisition and control function watchdog routine ability with control poll processor itself; Whole general-purpose simulation amount and digital data collection and Control Network adopt three layers of method for supervising of full distributed processing and carry out the management mode of multiple monitoring function.
Implement distributed general analog quantity of the present invention and digital data collection and Control Network System, owing to increased a special field signal acquisition and Control Network level, adopt three layers of method for supervising of full distributed processing, and the management mode of carrying out multiple monitoring function, the reasonable distribution system loading, thereby can improve monitored system works performance all sidedly, and can independently solve the management quality problem of each administrative unit in the monitored system, help realizing the maximization of monitored system management efficient, significantly improved monitored system management ability, having very strong social benefit and economic benefit, is a kind of strong tool that IT application in management is built.
Description of drawings
Fig. 1 is the system architecture synoptic diagram of an embodiment of distributed general analog quantity of the present invention and digital data collection and Control Network System;
Fig. 2 is the system architecture synoptic diagram of general-purpose simulation amount and digital data collection and control poll processor in the information handling system network of distributed general analog quantity shown in Figure 1 and digital data collection and Control Network System;
Fig. 3 is the system architecture synoptic diagram of general-purpose simulation amount and digital data collection and control signal conditioner in the signal processing system network of distributed general analog quantity shown in Figure 1 and digital data collection and Control Network System;
Fig. 4 is general-purpose simulation amount and digital data collection and the schematic block circuit diagram of controlling the poll processor shown in Figure 2;
Fig. 5 is the general-purpose simulation amount shown in Figure 3 and the schematic block circuit diagram of digital data collection and control signal conditioner;
Fig. 6 is general-purpose simulation amount and digital data collection and the control flow logic diagram of controlling the poll processor shown in Figure 4;
Fig. 7 is the general-purpose simulation amount shown in Figure 5 and the control flow logic diagram of digital data collection and control signal conditioner.
Embodiment
As shown in Figure 1, in one embodiment of the invention, distributed general analog quantity and digital data collection and Control Network System comprise the information management system network, information handling system network and signal processing system network adopt Ethernet interconnection technique, fieldbus networks interconnection technique, RS-485 digital signal communication network technique to connect into a complete electronic equipment monitoring automation supervising the network by specific cables.Whole general-purpose simulation amount and digital data collection and Control Network adopt three layers of method for supervising of full distributed processing and carry out the management mode of multiple monitoring function.
The key of information management system network is server, workstation and network infrastructure.On described information acquisition and Control Network server, exist the public system information of distributed general analog quantity and digital data collection and Control Network System configuration; On the basis of these public system information, also move on described information acquisition and the Control Network server in order to carry out the special data sync and the data-interface program of message exchange task.
As shown in Figure 2, the key of information handling system network is that general-purpose simulation amount and digital data collection are with control poll processor with to equation fieldbus networks infrastructure.General-purpose simulation amount and digital data collection are independently signal monitoring systems with operation intelligent digital information acquisition and control function watchdog routine ability with control poll processor itself.
As shown in Figure 3, the key of signal processing system network is the RS-485 fieldbus of general-purpose simulation amount and digital data collection and control signal conditioner and the strong interference free performance of tool.
As shown in Figure 4, general-purpose simulation amount and digital data collection and control poll processor comprise have work alone and online (or networking) ability to work in order to the embedded microprocessor nucleus module of realizing signal monitoring function, in order to the signal object Strobe Controller module of the monitored signal object of gating, carry out the RS-485 fieldbus driver module of anti-interference digital communication and in order to the Network Interface Module of information uploading and download between realization and information acquisition and the Control Network server in order to realization and on-site signal object.Below each ingredient is described in detail respectively: (1) embedded microprocessor nucleus module:
Mainly by microprocessor (CPU), compositions such as storer, bus controller, clock circuit, I/O (I/O) interface circuit, its major function is to carry out intrinsic can to cooperate multiple monitoring function of realization and information management mode with intelligent network from the intelligent monitoring program of network download; (2) signal object Strobe Controller module:
Mainly form by standard decoding scheme, gating circuit, latch circuit and electronic switching circuit etc., its major function is to determine the selection of signal object, this signal object (being the corresponding digital code information of standard analog and standard digital) is carried out the I/O operation of data message; (3) RS-485 fieldbus driver module:
Mainly form by standard RS485 bus driving circuits, gating circuit and latch circuit etc., its major function is to transmit bus control signal (being address bus, control bus, data bus) to the on-site signal conditioner, the signal specific object is carried out the I/O operation of status information.(4) Network Interface Module:
Mainly form by communications protocol control module and medium access control module.Wherein, communications protocol control module: mainly be made up of circuit such as clock, CPU, storer, bus controller, I/O controllers, its major function is the communications protocol of operative norm.The medium access control module: mainly be made up of circuit such as clock, CPU, storer, bus controller, I/O controller, intermediary transceiver, its major function is the network signal transmission of operative norm.
As shown in Figure 5, general-purpose simulation amount and digital data collection and control data collection and control signal conditioner comprise in order to realize with general-purpose simulation amount and digital data collection and control poll processor between information uploading and download RS-485 fieldbus driver module, in order to determine by the monitored object Strobe Controller module of gating object and the signal object processing module composition changed in order to high-low level adjustment, modulus (A/D) and the digital-to-analogue (D/A) of monitored object being carried out on-site data gathering or control.Below each ingredient is described in detail respectively: (1) RS-485 fieldbus driver module:
Mainly form by standard RS485 bus driving circuits, gating circuit and latch circuit etc., its major function is to receive from general-purpose simulation amount and digital data collection and the bus control signal (being address bus, control bus, data bus) of controlling the poll processor, the signal specific object is carried out the I/O operation of status information.(2) monitored object Strobe Controller module:
Mainly form by standard decoding scheme, gating circuit, latch circuit and electronic switching circuit etc., its major function is to determine the selection of signal object, this signal object (being in-site modeling amount and digital quantity signal) is nursed one's health the I/O operation of back status information; (3) signal object processing module:
Mainly adjust circuit, standard A/D and D/A change-over circuit, gating circuit or latch circuit etc. by high-low level and form, its major function is that selected signal object is carried out signal condition, and nurses one's health the I/O operation of back status information.
As shown in Figure 6, be general-purpose simulation amount and digital data collection and the flow process steering logic block diagram of controlling the poll processor, below the various piece in the block diagram is described in detail:
Information Processing Network system for field bus: be meant the digital communication circuit that connects between upper layer data server and general-purpose simulation amount and digital data collection and the control poll processor;
Fieldbus networks transmission control and agreement steering logic: be meant the digital communication control procedure between upper layer data server and general-purpose simulation amount and digital data collection and the control poll processor;
Embedded microprocessor signal Processing steering logic: be meant the internal signal monitoring processing procedure that general-purpose simulation amount and digital data collection and control poll processor are default;
Input/output signal object coding and address strobe steering logic: be meant between general-purpose simulation amount and digital data collection and control poll processor and lower floor's general-purpose simulation amount and digital data collection and the control signal conditioner and reach signal object synchronous processing process;
Input/output signal processing controls logic: be meant with embedded microprocessor internal control logical transition to be the processing procedure of exterior I/O drives signal logic;
RS-485 signal bus transmission control logic: be meant processing procedure with I/O drives signal and the mutual conversion of RS-485 differential digital signal;
Signal shaping network system for field bus: be meant the digital communication circuit that connects between general-purpose simulation amount and digital data collection and control poll processor and lower floor's general-purpose simulation amount and digital data collection and the control signal conditioner.
As shown in Figure 7, be the flow process steering logic block diagram of general-purpose simulation amount and digital data collection and control signal conditioner, below the various piece in the block diagram is described in detail:
Signal shaping network system for field bus: be meant the digital communication circuit that connects between upper strata general-purpose simulation amount and digital data collection and control poll processor and general-purpose simulation amount and digital data collection and the control signal conditioner;
RS-485 signal bus transmission control logic: be meant processing procedure with I/O drives signal and the mutual conversion of RS-485 differential digital signal;
Input/output signal object coding and address strobe steering logic: be meant between general-purpose simulation amount and digital data collection and control signal conditioner and upper strata general-purpose simulation amount and digital data collection and the control poll processor and reach signal object synchronous processing process;
Input/output signal data latching steering logic: be meant data latching processing procedure to input/output signal;
Simulation and digital quantity signal processing controls logic: be meant the processing procedure of signal object being carried out high-low level adjustment, A/D and D/A conversion;
On-site signal Access Control logic: be meant that the selectivity to signal object inserts processing procedure;
On-site signal lead cable: be meant the signal cable of on-site signal being introduced general-purpose simulation amount and digital data collection and control signal conditioner.
The function of distributed general analog quantity of the present invention and digital data collection and Control Network System is by LAN (being the information management system network), realize that to equation fieldbus networks (being the information handling system network) and three aspects of RS-485 bus network (being the signal processing system network) each complete monitored system all can a supporting described intelligent network.
As shown in Figure 1, the function of general-purpose simulation amount and digital data collection and Control Network System (being information management network system) aspect is as follows:
General-purpose simulation amount and digital data collection and Control Network System are by the various servers that are connected on the network, workstation, the network equipment, general-purpose simulation amount and digital data collection and control poll processor, general-purpose simulation amount and digital data collection and control signal conditioner upgrade the condition managing information of monitored system automatically, and be foundation with this information, can adopt the duty of the whole monitored system of method enforcement assessment of artificial intelligence, and utilize the management function of the predetermined monitored system of monitoring means dynamic adjustments, promote the runnability of monitored system.
As Fig. 2, Fig. 4 and shown in Figure 6, general-purpose simulation amount and digital data collection are as follows with the function of control poll processor (being the Information Processing Network system) aspect:
It is as follows with the process of status monitoring that general-purpose simulation amount and digital data collection and control poll processor are implemented control to each signal object of monitored system: the embedded microprocessor nucleus module moves independently that the artificial intelligence program realizes intelligent signal monitoring function, signal object Strobe Controller module is then handled by the embedded microprocessor nucleus module and is selected the supervisory information signal bang path, can monitor simultaneously 1~256 analog quantity and digital quantity signal object through digitized information channel, RS-485 fieldbus Drive Module is finished general-purpose simulation amount and digital data collection and control poll processor and is being installed in the conversions of on-the-spot general-purpose simulation amount and the pilot signal between digital data collection and the control signal conditioner under the cooperation of signal object Strobe Controller module.The concrete grammar of its realization is that this 1~256 pairing signal object of information channel is carried out hard address coding, and each is by general-purpose simulation amount and digital data collection and control signal conditioner and general-purpose simulation amount and digital data collection and to control data transfer between the poll processor all be to be undertaken by data bus successively according to the value of setting of address bus.General-purpose simulation amount and digital data collection have networking and two kinds of mode of operations of independent operation with control poll processor, and when when networking operator scheme, Network Interface Module has served as the role with the handshake interface of higher level's network.
As Fig. 3, Fig. 5 and shown in Figure 7, the function of general-purpose simulation amount and digital data collection and control signal conditioner (being the signal shaping network system) aspect is as follows:
It is as follows with the process of status monitoring that general-purpose simulation amount and digital data collection and control signal conditioner are implemented control to each signal object of monitored system: RS-485 fieldbus Drive Module receives the bus code signal that general-purpose simulation amount and digital data collection and control poll processor transmit, signal object Strobe Controller module is then connected corresponding signal object according to the bus code signal, the signal object processing module is carried out the high-low level adjustment according to the requirement of bus I/O to signal object, standard A/D or D/A conversion, and finish the operation of corresponding I/O status signal, but timesharing becomes standard analog amount (0~10V or 4~20mA) or standard digital amount (0/1) signal with 1~64 standard or non-standard analog quantity or digital quantity regulation, the concrete grammar of its realization is that 1~64 signal object is addressed with hardware mode, and transmits between general-purpose simulation amount and digital data collection and control signal conditioner and general-purpose simulation amount and digital data collection and control poll processor by data bus in the conditioning back data of will sampling in turn under the control of address bus.

Claims (8)

1. a distributed general analog quantity and digital data collection and Control Network System, comprise data acquisition and the control information management system network (information management system network) formed by server and workstation and network infrastructure, by general-purpose simulation amount and digital data collection and analog quantity and digital data collection and the control information disposal system network (information handling system network) controlling the poll processor and equation fieldbus networks infrastructure is formed, and analog quantity and digital data collection and the control signal disposal system network (signal processing system network) formed by RS-485 fieldbus of general-purpose simulation amount and digital data collection and control signal conditioner and the strong interference free performance of tool etc., it is characterized in that described information management system network, the information handling system network, and the mode of signal processing system network using hierarchical network interconnection technique by message exchange step by step connects into a complete distributed general analog quantity and digital data collection and Control Network System; Described general-purpose simulation amount and digital data collection are independently signal monitoring systems with operation intelligent digital information acquisition and control function watchdog routine ability with control poll processor itself; Whole general-purpose simulation amount and digital data collection and Control Network adopt three layers of method for supervising of full distributed processing and carry out the management mode of multiple monitoring function.
2. distributed general analog quantity according to claim 1 and digital data collection and Control Network System, it is characterized in that, exist the public system information of distributed general analog quantity and digital data collection and Control Network System configuration on information acquisition in described information management system network and the Control Network server; On the basis of these public system information, also move on described information acquisition and the Control Network server in order to carry out the special data sync and the data-interface program of message exchange task.
3. distributed general analog quantity according to claim 1 and 2 and digital data collection and Control Network System, it is characterized in that, described general-purpose simulation amount and digital data collection comprise having the embedded microprocessor nucleus module in order to the realization signal monitoring function that works alone with online (or networking) ability to work with control poll processor, in order to the signal object Strobe Controller module of the monitored signal object of gating, in order to realize and the on-site signal object carries out the RS-485 fieldbus driver module of anti-interference digital communication and in order to the Network Interface Module of information uploading and download between realization and information acquisition and the Control Network server.
4. distributed general analog quantity according to claim 3 and digital data collection and Control Network System, it is characterized in that, described Network Interface Module comprises the communications protocol control module in order to the communications protocol of operative norm, and in order to the medium access control module of the network signal of operative norm transmission.
5. distributed general analog quantity according to claim 3 and digital data collection and Control Network System, it is characterized in that, in described general-purpose simulation amount and digital data collection and control poll processor, 1~256 pairing signal object of information channel is carried out the hard address coding, each all is to be undertaken by data bus successively according to the value of setting of address bus by the data transfer between general-purpose simulation amount and digital data collection and control signal conditioner and general-purpose simulation amount and digital data collection and the control poll processor, thus make described general-purpose simulation amount and digital data collection with control the poll processor can monitor simultaneously 1~256 analog quantity or digital quantity signal object through digitized information channel.
6. distributed general analog quantity according to claim 1 and 2 and digital data collection and Control Network System, it is characterized in that, described general-purpose simulation amount and digital data collection and control signal conditioner comprise in order to information uploading between realization and general-purpose simulation amount and digital data collection and the control poll processor and download RS-485 fieldbus driver module, in order to determine by the monitored object Strobe Controller module of gating object, in order to monitored object is carried out the high-low level adjustment of on-site data gathering or control, the signal object processor module of modulus (A/D) and digital-to-analogue (D/A) conversion.
7. distributed general analog quantity according to claim 6 and digital data collection and Control Network System, it is characterized in that, in described general-purpose simulation amount and digital data collection and control signal conditioner, 1~64 signal object is addressed with hardware mode, and in the conditioning back data of will sampling in turn under the control of address bus by data bus in general-purpose simulation amount and digital data collection with control signal conditioner and general-purpose simulation amount and digital data collection and control between the poll processor and transmit, thereby but make described general-purpose simulation amount and digital data collection and the timesharing of control signal conditioner that 1~64 standard or non-standard analog quantity or digital quantity regulation are become standard analog amount or standard digital amount signal.
8. distributed general analog quantity according to claim 1 and 2 and digital data collection and Control Network System, it is characterized in that described three coating control methods are by LAN (being the information management system network), realize equation fieldbus networks (being the information handling system network) and three aspects of RS-485 bus network (being the signal processing system network).
CN 01141303 2001-09-25 2001-09-25 Distributed universal network system for acquiring and controlling analog and digital information Pending CN1363907A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1311387C (en) * 2003-02-14 2007-04-18 三星电子株式会社 Database table modeling and event handling method for real time alarm management
CN1315074C (en) * 2003-01-24 2007-05-09 英业达股份有限公司 Information processing in mutual aid typed computer network information system possessing intelligent type online information searching function
CN101453393B (en) * 2007-11-28 2013-09-18 新奥特(北京)视频技术有限公司 Enterprise network system for file transmission
CN106790451A (en) * 2016-12-07 2017-05-31 上海远景数字信息技术有限公司 A kind of data acquisition and transmission method and communication management apparatus
CN114326631A (en) * 2021-12-30 2022-04-12 苏伊士水务工程有限责任公司 Verification method and verification processing system for upgrading data acquisition and monitoring control system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1315074C (en) * 2003-01-24 2007-05-09 英业达股份有限公司 Information processing in mutual aid typed computer network information system possessing intelligent type online information searching function
CN1311387C (en) * 2003-02-14 2007-04-18 三星电子株式会社 Database table modeling and event handling method for real time alarm management
CN101453393B (en) * 2007-11-28 2013-09-18 新奥特(北京)视频技术有限公司 Enterprise network system for file transmission
CN106790451A (en) * 2016-12-07 2017-05-31 上海远景数字信息技术有限公司 A kind of data acquisition and transmission method and communication management apparatus
CN106790451B (en) * 2016-12-07 2019-11-19 上海东土远景工业科技有限公司 A kind of data acquisition and transmission method and communication management apparatus
CN114326631A (en) * 2021-12-30 2022-04-12 苏伊士水务工程有限责任公司 Verification method and verification processing system for upgrading data acquisition and monitoring control system

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