CN101436070B - Equipment diagnosis alarming device of decentralized control system - Google Patents
Equipment diagnosis alarming device of decentralized control system Download PDFInfo
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- CN101436070B CN101436070B CN2007100481105A CN200710048110A CN101436070B CN 101436070 B CN101436070 B CN 101436070B CN 2007100481105 A CN2007100481105 A CN 2007100481105A CN 200710048110 A CN200710048110 A CN 200710048110A CN 101436070 B CN101436070 B CN 101436070B
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Abstract
The invention discloses an equipment diagnosis and alarm device for a decentralized control system, which comprises a data communication module, a data processing module, a data storage module and a short message transmitting and receiving module, wherein the data communication module is provided with a control interface and a network interface, and the control interface is connected to an external programmer which sets parameters of the diagnosis and alarm device; the data processing module is connected to the data communication module through a data bus, acquires an equipment status message and an equipment alarm message on the decentralized control system, performs fault diagnosis according to set rules, and determines a final fault message according to the result of fault diagnosis and set alarm strategies; the data storage module stores the alarm message, the fault diagnosis rules, the alarm strategies and the final fault message; and the short message transmitting and receiving module transmits a message according to the final fault message generated by the data processing module. The diagnosis and alarm device has the function of intelligent diagnosis, diagnoses various equipment failures in the decentralized control system according to the acquired equipment status and equipment alarm messages, and can establish communication through an Ethernet-based OPC protocol.
Description
Technical field
The present invention relates to the equipment diagnosis alarming device of the scattered control system in the automation control area.
Background technology
Scattered control system (DCS) is to utilize computer technology that production run is concentrated a kind of advanced control equipment of supervision, operation, management and decentralised control, is widely used in large enterprises such as electric power, metallurgy, chemical industry.Along with the continuous development of modernization industry makes process control more sophisticated in the continuous production, scale enlarges further, make operating personnel increasing to the dependence of automatic control system, if break down in the system, the safety that not only can destroy controlled device, jeopardizes operating personnel, also can be very heavy even short-term stops production the loss that causes, and that the factor that causes fault has is multiple, as fluctuation, electromagnetic interference (EMI), impact, vibration, burn into component failure, open circuit or the short circuit of environment temperature, humidity, power supply, software design problem or the like.The running status that will grasp system as DCS maintainer at any time just seems very necessary, and it is also very important to the correct diagnosis of all kinds of warnings, become increasingly complex, require more and more harsher and be more prone to cause danger along with production run and equipment become, alarm set point also correspondingly constantly increases.In the modern scattered control system (DCS), almost each configuration point all is provided with warning.A pid loop has 15 to 20 warnings usually, comprising circuit complete warning, high range warning, set point deviation alarm and other many warnings.Also might be provided with a lot of system alarms in the The whole control system, the quantity of these system alarms is many.
Existing based on the built-in alarm module of scattered control system (DCS), only can make differentiation to alert levels, can't carry out the artificial intelligence analysis to type of alarm, therefore exist warning message various, the most useful warning message can't be accurately filtered out, thereby the accurate location of dependent failure equipment can't be realized.And traditional maintenance mode, operating personnel are must be at first on-the-spot to arriving among the DCS control, could analyze all kinds of warning messages, and a skilled maintainer general per minute also can only warning of analyzing and processing under the situation of procedure fault confusion.So the failure message treatment effeciency based on artificial judgment is very low, is easy to cause the delay of handling failure.And though external diagnostic alarms device is also arranged on the market but only be confined to a certain brand, because the used internal agreement difference of scattered control system (DCS) of each famous brand on the market.Therefore, this type of diagnostic alarms device need communicate with it at the inner specialized equipment that adds of scattered control system (DCS), because what use is specialized protocol, therefore, its compatibility is very poor, can't be compatible other scattered control system (DCS).
Summary of the invention
The invention provides a kind of equipment diagnosis alarming device with scattered control system of intelligent diagnostics function and reliable and stable communication mode.
Implementation of the present invention is as follows, and this equipment diagnosis alarming device comprises:
The data communication module, comprise control interface and network interface, described network interface and scattered control system are carried out exchanges data, wherein, the data that exchanged are status information of equipment and the equipment alarm information on the scattered control system, and described control interface is connected to external programmer this diagnostic alarms device is carried out parameter setting;
Data processing module, be connected to described data communication module by data bus, data processing module obtains status information of equipment and the equipment alarm information on the scattered control system that the data communication module obtains, carry out fault diagnosis according to the rule of setting, determine device fault information according to the result of fault diagnosis;
Data memory module is connected with described data processing module, preserves described warning message, failure diagnosis information, warning strategy and described device fault information;
Short message transceiving module is connected with described data processing module, and the device fault information that produces according to described data processing module sends note;
Power module is to described data processing module, described data memory module and the power supply of described short message transceiving module.
Diagnostic alarms device of the present invention has the intelligent diagnostics function, according to obtainable status information of equipment of institute and equipment alarm information, diagnose out the equipment failure in the scattered control system (DCS), and, this device is by setting up communication based on the OPC of Ethernet (Object Linking and Embedding (OLE) forProcess Control object connects and telescopiny is controlled) protocol mode and scattered control system (DCS), thereby realized between application program and the industrial control equipment efficiently, reading and writing data flexibly.
Description of drawings
Figure 1A and Figure 1B are equipment diagnosis alarming device outside drawings of the present invention;
Fig. 2 is an equipment diagnosis alarming device cut-away view of the present invention;
Fig. 3 is equipment diagnosis alarming device hardware operation logic figure of the present invention;
Fig. 4 is that equipment diagnosis alarming device software of the present invention constitutes;
Fig. 5 is equipment diagnosis alarming device alarm flow figure of the present invention;
Fig. 6 is equipment diagnosis alarming device querying flow figure of the present invention;
Fig. 7 is an equipment diagnosis alarming device system architecture diagram of the present invention;
Fig. 8 is an equipment diagnosis alarming device communication interface schematic diagram of the present invention.
Embodiment
The present invention aims to provide a kind of equipment diagnosis alarming device, with effective raising equipment control and operational administrative level, aspect equipment control, this device can effectively be caught various warnings and the incident in the control procedure, the running status of all kinds of opertaing devices in the monitoring DCS system, simultaneously, all kinds of warning messages are screened, reject " useless " and report to the police, the clear and definite priority level of Bao Jinging, strategy carries out analyzing and processing to reach the function of control warning and automatic diagnosis to all kinds of warning messages by reporting to the police.All kinds of warning messages are carried out short message prompt, and can utilize SMS that system is carried out communication diagnosis, Device Diagnostic, loop diagnostics etc., to improve electric maintenance, repair efficient.Aspect operational administrative, the operational administrative personnel can utilize the technological parameter of each process control among the message search DCS, the production run dynamic monitoring of complete display is provided, support the reception of production run real time data, the production process data table shows, real-time tendency demonstration and operating parameter warning function etc.To reach the stability of raising system, reduce the purpose of equipment downtime.
At first, be in integrated consideration, the present invention is integrated in all parts of diagnostic alarms device in the cabinet, and the physical dimension of this cabinet is: long 600mm, and wide 800mm, the 1U cabinet of high 37mm is shown in Figure 1A and Figure 1B.
Be provided with opening 102a and 102b, the power light 104 of indication power supply status and the status indicator lamp 106 of indication diagnostic alarms device duty that uses for control interface and network interface at the front panel 102 of cabinet 100.
The rear panel 108 of cabinet 100 is provided with electric source line interface 110, power switch 112, the external antenna 114 of short message transceiving module and the opening 116 of fan of power module.
The inner structure of this diagnostic alarms device 100 comprises with reference to shown in Figure 2:
Data communication module 202 comprises control interface 202a and network interface 202b, and network interface 202a and scattered control system are carried out exchanges data, and wherein, the data that exchanged are status information of equipment and the equipment alarm information on the scattered control system.Among the present invention, network interface 202b connects by the object based on Ethernet and telescopiny is controlled the OPC agreement and scattered control system is carried out exchanges data.Control interface 202b is connected to external programmer this diagnostic alarms device is carried out the parameter setting, such as the renewal for rule base.
Data processing module 204, be connected to data communication module 202 by data bus, data processing module 204 obtains status information of equipment and the equipment alarm information on the scattered control system that data communication module 202 obtains, carry out fault diagnosis according to the rule of setting, determine device fault information according to the result of fault diagnosis.Further, this data processing module 204 comprises: central processing unit 240, according to status information of equipment and the equipment alarm information on the rule treatments scattered control system of setting, produce failure diagnosis information, and device fault information.Internal memory 242, interim store data.Memory controller 244, control data processing module 204 and data communication module 202, and the exchanges data between data processing module 204 and the data memory module 206.Ide interface 246, the ide interface 260 of connection data memory module 206 carries out the exchanges data with data memory module 206.RS 232 interfaces 248, RS 232 interfaces 280 of connection short message transceiving module 208 carry out the exchanges data with short message transceiving module 208.Rule base 250 is preserved the rule that is used to carry out fault diagnosis.
Continuation is with reference to figure 2, and this trouble-shooter also comprises: data memory module 206, be connected with data processing module 204, and preserve warning message, failure diagnosis information, warning strategy and device fault information.This data memory module 206 comprises that one is used for the ide interface 260 of exchanges data.
Short message transceiving module 208 is connected with data processing module 204, and the device fault information that produces according to data processing module 204 sends note.This short message transceiving module 208 comprises that one is used for RS 232 interfaces 280 of exchanges data, also comprises external antenna 114.
Fan 212 is used for heat radiation, and this fan 212 is also by power module 210 power supplies.
The signal trend of this diagnostic alarms device 100 as shown in Figure 3.
The central processing unit 240 of data processing module 204 can be carried out a software, realize the function of soft data collection, data processing (fault diagnosis, the strategy of reporting to the police, experts database maintenance, data query), short message receiving-transmitting, particularly, can constitute with reference to software shown in Figure 4.This software constitutes can have simple software to realize that in the mode of module also the form of combination thereof realizes, sums up, and comprising:
The module that is used for image data is obtained status information of equipment and equipment alarm information from the data communication module;
The module that is used for data query, based on status information of equipment and equipment alarm information, the rule searching storehouse, or based on the short message that short message transceiving module is received, produce the inquiry code and transfer to the image data module;
The module that is used for tracing trouble based on the result in rule searching storehouse, produces fault diagnosis;
Be used to produce the module of device fault information,, produce device fault information based on fault diagnosis;
The module that is used for the maintenance regulation storehouse is upgraded and is safeguarded rule base;
Be used to receive and dispatch the module of note, based on the strategy of reporting to the police, the transmitting-receiving of control note;
Be used for the module that coordination data is handled, coordinate data transmission and processing between the said apparatus.
Above-mentioned software can be carried out following pattern.
Diagnostic mode: at first data acquisition program is by the requirement of OPC protocol specification, gather the related data of disperseing in the control system (DCS), again the data that collect being submitted to data processor handles, data processor with the various kinds of equipment status information that collects and equipment alarm information submit to fault diagnostic program then with experts database in information compare, at last, with the result after the comparison is fault diagnosis result, submit to the short message receiving-transmitting program by the transmission strategy of formulating in the warning strategy, information is sent to the final user by the short message receiving-transmitting program.The operational process of this software is with reference to shown in Figure 5.
Query pattern: at first short message receiving-transmitting program information that short message transceiving module is received is judged, after confirming as Query Information Query Information is offered the data query program, the data query program is converted to Query Information the code that meets the OPC agreement again, transfer to data acquisition program, after data acquisition program collects related data, give the data query program with data back again, carry out code conversion.At last, by the data query program Query Result is returned to the short message receiving-transmitting program and send, finally make the user obtain Query Information.The operational process of this software is with reference to shown in Figure 6.
Fig. 7 is a diagnostic alarms apparatus system Organization Chart of the present invention.With reference to figure 7, diagnostic alarms device 700 of the present invention is connected to by network interface on the communication interface of opc server 704 of scattered control system (DCS) 702.Scattered control system 702 connects all kinds of field control equipment 708 by controller 706, and simultaneously, operator station 710 and engineer station 712 also are connected to scattered control system 702.
After utilizing the DCS controller to finish basic warning processing capacity in the input scan phase, the alarm condition of each point can in time be revised and control online broadcast characteristics.By the Group in the opc server (group), Item parameters such as (items) are set, set up data communication interface, all kinds of warning messages in the scattered control system (DCS) and all kinds of dot information are carried out communication by the data communication module in opc server and the diagnostic alarms device.The communication interface principle of this diagnostic alarms device as shown in Figure 8.
Simultaneously the data that obtain after to communication of data processing module are handled, and result are kept in the data memory module of diagnostic alarms device or directly or regularly send the data to the user by the GSM short message transceiving module.In like manner, short message transceiving module also can receive the inquiry code that maintainer or production operation managerial personnel send by mobile phone, according to predefined inquiry code table, by data processing module the inquiry code is changed, then according to the dot information that obtains after the conversion, by the data communication module opc server of scattered control system (DCS) is inquired about, the result who obtains after the inquiry is passed through SMS transmission module again, return to the inquirer, maintainer or production operation managerial personnel just can make fault judgement to relevant device rapidly or operating parameter is adjusted according to the information of returning, and have improved the stability of system and maintainable greatly.
The operating all kinds of Realtime Alerts information of reflection DCS system that trouble-shooter of the present invention is correct, the duty that can in time reflect each operating point, in case occur all kinds of warnings in the DCS system, the associated maintenance personnel are (less than 60 seconds) in the very first time, can receive the alarming short message that sends by this device, thereby shorten the response time of treatment facility fault greatly.This trouble-shooter can carry out analyzing and processing to all kinds of warning messages that the DCS system is produced, and can determine the rank of warning, guarantees most important information is offered the maintainer.Simultaneously, provide most possible trouble spot information, to help maintainer's fault location fast and accurately.At last, this trouble-shooter can provide all kinds of dot informations to setting among the DCS to carry out message search, for long-range judgment device failure cause provides possibility.Simultaneously, also provide convenience to the inquiry of all kinds of processing parameters for the operational administrative personnel.In time search warning reason and scope provides possibility.The stable operation of raising system has reduced equipment downtime.This device is by setting up communication based on the OPC of Ethernet (Object Linking and Embedding (OLE) forProcess Control object connects and telescopiny is controlled) protocol mode and scattered control system (DCS), thereby realized between application program and the industrial control equipment efficiently, reading and writing data flexibly.
Claims (6)
1. the equipment diagnosis alarming device of a scattered control system is characterized in that, comprising:
The data communication module, comprise control interface and network interface, described network interface and scattered control system are carried out exchanges data, wherein, the data that exchanged are status information of equipment and the equipment alarm information on the scattered control system, and described control interface is connected to external programmer this diagnostic alarms device is carried out parameter setting;
Data processing module, be connected to described data communication module by data bus, data processing module obtains equipment state and the equipment alarm information on the scattered control system that the data communication module obtains, carry out fault diagnosis according to the rule of setting, determine device fault information according to the result of fault diagnosis and the warning strategy of setting;
Data memory module is connected with described data processing module, preserves described warning message, failure diagnosis information, warning strategy and described device fault information;
Short message transceiving module is connected with described data processing module, and the device fault information that produces according to described data processing module sends note;
Power module is to described data processing module, described data memory module and the power supply of described short message transceiving module.
2. diagnostic alarms device as claimed in claim 1 is characterized in that, the network interface of described data communication module connects by the object based on Ethernet and telescopiny is controlled the OPC agreement and scattered control system is carried out exchanges data.
3. diagnostic alarms device as claimed in claim 1 is characterized in that, described data processing module comprises:
Central processing unit, the warning message according on the described scattered control system of setting of rule treatments produces described failure diagnosis information, and described device fault information;
Internal memory, interim store data;
Memory controller is controlled described data processing module and described data communication module, and the exchanges data between described data processing module and the described data memory module;
Ide interface connects the ide interface of described data memory module, carries out the exchanges data with data memory module;
RS 232 interfaces connect described short message transceiving module, carry out the exchanges data with described short message transceiving module;
Rule base is preserved described be used to the carry out rule of fault diagnosis and the strategy of reporting to the police.
4. diagnostic alarms device as claimed in claim 3 is characterized in that, described central processing unit comprises:
The device that is used for image data obtains equipment state and equipment alarm information from described data communication module;
The device that is used for data query based on described equipment state and equipment alarm information, is inquired about described rule base, or based on the short message that the device of transmitting-receiving note is received, produces the device that the inquiry code is transferred to image data;
The device that is used for tracing trouble based on the result in rule searching storehouse, produces fault diagnosis;
Be used to produce the device of device fault information,, produce device fault information based on described fault diagnosis;
The device that is used for the maintenance regulation storehouse upgrades and safeguards described rule base;
Be used to receive and dispatch the device of note, based on described warning strategy, the transmitting-receiving of control note;
Be used for the device that coordination data is handled, coordinate data transmission and processing between the said apparatus.
5. as each described diagnostic alarms device in the claim 1 to 3, it is characterized in that, also comprise:
One fan that is used to dispel the heat, described fan is powered by described power module.
6. diagnostic alarms device as claimed in claim 1 is characterized in that,
Described data communication module, data processing module, data memory module, short message transceiving module, power module and fan place long 600mm, and wide 800mm is in the 1U cabinet of high 37mm;
The front panel of described cabinet is provided with for the opening of described control interface and network interface use, the power light of indication power supply status and the status indicator lamp of indicating described diagnostic alarms device duty;
The rear panel of described cabinet is provided with the external antenna of electric source line interface, power switch and the described short message transceiving module of described power module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007100481105A CN101436070B (en) | 2007-11-12 | 2007-11-12 | Equipment diagnosis alarming device of decentralized control system |
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| CN2007100481105A CN101436070B (en) | 2007-11-12 | 2007-11-12 | Equipment diagnosis alarming device of decentralized control system |
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| CN101436070A CN101436070A (en) | 2009-05-20 |
| CN101436070B true CN101436070B (en) | 2010-08-11 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101825876B (en) * | 2009-11-30 | 2013-01-02 | 浙江大学 | Portable fault diagnosis tester applied to petrochemical production device |
| CN101789970B (en) * | 2010-02-02 | 2012-12-12 | 北京泰豪智能工程有限公司 | Measurement data acquisition system and maintenance method thereof and data acquisition device |
| CN102385380A (en) * | 2011-09-23 | 2012-03-21 | 广西三原高新科技有限公司 | Cluster automobile diagnosis information platform |
| US9785133B2 (en) | 2012-02-10 | 2017-10-10 | Fisher-Rosemount Systems, Inc. | Methods for collaboratively assisting a control room operator |
| CN103914063A (en) * | 2014-03-31 | 2014-07-09 | 华电国际电力股份有限公司技术服务中心 | On-line performance diagnostic system and method for rotary air pre-heater |
| CN105704687A (en) * | 2014-11-28 | 2016-06-22 | 中芯国际集成电路制造（天津）有限公司 | Real-time SMS alarm system |
| CN107209490B (en) * | 2015-01-09 | 2020-03-31 | 西门子公司 | Provisioning of control layer applications for use in an industrial control environment |
| CN104808650A (en) * | 2015-04-03 | 2015-07-29 | 沈阳化工大学 | Fault diagnosis system of oil delivery process |
| CN107228108A (en) * | 2017-08-10 | 2017-10-03 | 张正云 | A kind of hydraulic pneumatic pressure cylinder pressure cylinder warning device |
| CN109521702B (en) * | 2017-09-19 | 2020-11-27 | 蓝星（北京）技术中心有限公司 | Method and server for monitoring running state of distributed control system |
| CN110658803A (en) * | 2019-09-09 | 2020-01-07 | 天津国电津能滨海热电有限公司 | On-line fault alarm device of thermal control equipment |
| CN112180826A (en) * | 2020-09-30 | 2021-01-05 | 苏州艾隆科技股份有限公司 | Operation and maintenance monitoring method and device and storage medium |
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| CN1132253A (en) * | 1995-11-23 | 1996-10-02 | 宝山钢铁(集团)公司 | Blast furnace comprhensive deterministic system |
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