CN101775448A - Fault diagnosis and processing method under blast furnace trough - Google Patents

Fault diagnosis and processing method under blast furnace trough Download PDF

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Publication number
CN101775448A
CN101775448A CN200910273423A CN200910273423A CN101775448A CN 101775448 A CN101775448 A CN 101775448A CN 200910273423 A CN200910273423 A CN 200910273423A CN 200910273423 A CN200910273423 A CN 200910273423A CN 101775448 A CN101775448 A CN 101775448A
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Prior art keywords
fault
response
priority
data base
provides
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CN200910273423A
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Chinese (zh)
Inventor
徐岸非
马智慧
周驰化
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Wisdri Engineering and Research Incorporation Ltd
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Wisdri Engineering and Research Incorporation Ltd
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Priority to CN200910273423A priority Critical patent/CN101775448A/en
Priority to CN2010102056906A priority patent/CN101892335B/en
Priority to CN2010202349298U priority patent/CN201857397U/en
Publication of CN101775448A publication Critical patent/CN101775448A/en
Pending legal-status Critical Current

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Abstract

The invention provides a fault diagnosis and processing method under a blast furnace trough, which is realized by a fault diagnosis and processing program set up on a fault response PC machine, wherein the fault diagnosis and processing program comprises an optical proximity correction (OPC) client, a background database, a fault processing program and an operation interface. An OPC client exchanges data with an OPC server to synchronize and update programmable logic controller (PLC) real-time data; the background database keeps in communication with the fault processing program and provides fault cases and processing methods thereof for the fault processing program; the fault processing program analyzes collected data so as to determine fault contents and is combined with the background database to provide a processing method; and the operation interface provides a fault list, working mode selection and a dialog box. In the invention, only one fault response PC machine is additionally arranged on the basis of the original control system of a blast furnace, and therefore, the equipment investment is small, the occupation area is small and the use effect is good.

Description

Trouble diagnosis and treatment process under the blast furnace groove
Technical field
The present invention relates to feeder system under the blast furnace groove.
Background technology
To have device type less in system under the blast furnace groove, but the characteristics that quantity is more and operation is complicated.Number of devices causes the probability that breaks down higher more, and the different treatment method of different faults or same fault can cause different results, and this just requires the operator to need attention and the processing horizontal that keeps higher in whole process.
Summary of the invention
Technical problem to be solved by this invention is: trouble diagnosis and treatment process under a kind of blast furnace groove is provided, and present method can be to various diagnosing malfunction in the system under the blast furnace groove, and takes corresponding treatment process automatically.
The technical solution adopted in the present invention is: trouble diagnosis and treatment process are to realize that by the trouble diagnosis and the handling procedure that are installed on the failure response PC trouble diagnosis and handling procedure comprise OPC client terminal, background data base, exception handles and operation interface under the blast furnace groove;
OPC client terminal and opc server interaction data carry out the synchronous of PLC real time data and upgrade; Background data base and exception handles are kept in communication, and provide fault case and treatment process for it; Exception handles is analyzed with definite fault content institute's image data, and provides treatment process in conjunction with background data base; Operation interface provides error listing, working mode selection and dialog box.
Advantage of the present invention: only needing on the original Controlling System of blast furnace basis increases a failure response PC, and facility investment is few, takes up an area of for a short time, and result of use is good.
Description of drawings
Fig. 1 is a blast furnace optical fiber ring network topology diagram.
Fig. 2 is the system software controls schema.
Fig. 3 is fault responding process figure.
Among the figure, 1:PLC; 2: active station; 3: host change; 4: the subsystem exchange board; The 5:OPC server; 6: failure response PC.
Embodiment
Trouble diagnosis and treatment system adopt OPC (OLE for Process Control) method and PLC (programmable logic controller) communication under the blast furnace groove, by background data base fault case and treatment process are managed, and case library possesses opening, can expand according to the actual requirements.Simultaneously, according to operator's different requirements, this system can provide multiple processing mode, comprises full-automatic failure response.
As shown in Figure 1, trouble diagnosis and treatment system comprise PLC 1, active station 2, host change 3, subsystem exchange board 4 and opc server 5 under the blast furnace groove, and it also comprises failure response PC 6.Annexation between them is: host change 3 is formed the blast furnace looped network with subsystem exchange board 4, and the PLC 1 and the active station 2 of opc server 5, each system are the looped network website, and failure response PC 6 is by opc server 5 and PLC 1 interaction data.
As shown in Figure 2, the trouble diagnosis of said system and treatment process realize that by trouble diagnosis and handling procedure trouble diagnosis and handling procedure comprise OPC client terminal, background data base, operation interface and exception handles.The OPC client terminal is installed on the failure response PC, and OPC client terminal and opc server interaction data carry out the synchronous of PLC real time data and upgrade.Background data base keeps communicating by letter with exception handles, and provides fault case for it.Operation interface is installed on the failure response PC, and error listing, working mode selection and dialog box are provided.
The background database manager system also is housed on the failure response PC, communicates with exception handles.The background database manager system carries out fault case management, priority management and failure response management; The fault case management system adopts and extracts fault case based on the mode of device class from background data base.
The response of trouble diagnosis and handling procedure is to manage by the priority that background data base provides, fault priority is carried out mark with Arabic numerals, numeral is more little, and priority is high more, and trouble diagnosis and treatment system always show and handle the highest fault of current priority.
The entire work process of trouble diagnosis and treatment system comprises the response of fault and the selection of mode of operation.System reads PLC 1 data by the OPC client terminal, and after fault took place, exception handles carried out fault identification and classification rapidly, and responds the highest fault of priority by the fault priority that background data base provides.Response mode is specified in operation domain in advance or in real time by the operator, comprises backstage handle automatically, report to the police text, dialog box prompting and do not have response.After exception handles inquires the mode of operation of this fault from background data base, handle according to its corresponding response mode.When adopting the background process method, system will respond fast in conjunction with the fault case of background data base, by opc server 5 data of responding process is sent to PLC 1 then, and provides error listing by operation interface.When adopting the processing mode of warning text, system provides error listing by operation interface.When adopting the processing mode of dialog box prompting, system provides dialog box by operation interface, and the option of dialog box comprises backstage processing and manual processing automatically; If select the backstage to handle automatically, with directly the automatic method of handling in backstage is consistent; If select manual processing, then change and manually go to the scene to handle; System also provides error listing by operation interface.If this fault correspondence is the mode of operation of not having response, then system disregards and there is no any prompting, just it is recorded in the database.
Operation interface provide dialog box always show current up-to-date and fault that priority is the highest, it comprises time of failure, fault identification and classified information, failure modes operation domain and fault handling operation domain.
Be described in further detail the present invention and working process thereof below:
1. functional description
Trouble diagnosis and treatment system are based on the general-purpose platform of OPC (OLE for Process Control) method under the blast furnace groove, and its groundwork object is a feeder system under the blast furnace groove, has following basic characteristics:
(1) obtains the PLC real time data based on the OPC method;
(2) master control interface adopts Visual Basic programming;
(3) adopt the background database manager fault case;
(4) case database has expandability;
(5) provide the fault handling suggestion or send the fault handling instruction according to fault priority and system operating mode.
2. system architecture
2.1 network configuration
Blast furnace zone trunk communication network adopts the optical fiber ring network structure as shown in Figure 1.
Each system is equipped with exchange board (comprising host change 3 and subsystem exchange board 4), and by the interconnected formation looped network of optical fiber, each PLC of system 1 is connected to its exchange board by twisted-pair feeder.System has opc server 5, can obtain the real time data of all PLC 1 of blast furnace.According to PLC 1 and control software type selecting difference thereof, the implementation of opc server 5 has following several:
(1) control software is supported opc server 5 (as SIEMENS etc.), makes up and starts opc server 5 by control software;
(2) control software is not supported opc server 5 (as GE FANUC), and need and start opc server 5 this moment by the third party software framework, generally can be finished by the blast furnace level two.
The OPC client terminal of trouble diagnosis and treatment system under the blast furnace groove is obtained the real time data of required PLC 1 to opc server 5.Because looped network self, opc server 5 and client terminal can be from any point network break-ins, also can be by the industrial computer double as OPC client terminal of subsystem.
2.2 software principle
The control flow of trouble diagnosis and treatment system as shown in Figure 2 under the blast furnace groove.
Adopt the mode of system's industrial computer (being failure response PC 6) double as OPC client terminal under the groove among Fig. 2, trouble diagnosis and handling procedure under the mounting groove on the industrial computer.Industrial computer is obtained the real time data of PLC 1 as the OPC client terminal from opc server 5, carries out fault identification and classification by system, and finishes failure response in conjunction with the mode of operation that background data base and operator set by dialog box.
3. mode of operation
Trouble diagnosis and treatment system comprise three parts under the blast furnace groove: OPC client terminal, background data base and operator interface (operation interface).
3.1OPC client terminal
The major function of OPC client terminal is and the opc server interaction data.Customer end adopted Microsoft VisualStudio.NET writes, and can read and write data to server according to the specified scanning period.
After system started, the OPC client-side program started automatically, and is connected to server automatically according to the network address and the network title of the opc server 5 that presets, and carried out the synchronous and renewal of the real time data of PLC 1.
3.2 background database manager
Background data base carries out fault case and priority management, is fault identification and The classification basis.
3.2.1 fault case management
The mode based on device class is adopted in the management of the fault case of trouble diagnosis and treatment system under the groove.It is listed that the common faults case is for example shown 3-1.
Failure modes table under the table 3-1 groove
Figure G200910273423XD00041
The fault case management also comprises the management of fault handling mode.At arbitrary fault, system all provides at least a processing scheme.
The fault case management has extensibility, and the maintenance personnel can add new case according to practical situation.
3.2.2 fault priority management
The response of trouble diagnosis and treatment system is based on fault priority under the groove, and its principle is for always showing and handling the highest fault of current priority.Fault priority is carried out mark with Arabic numerals, and numeral is more little, and priority is high more.
The fault priority management is open, and the maintenance personnel can make amendment to the priority that presets or increases new priority code according to practical situation.
3.2.3 failure response management
The failure response flow process as shown in Figure 3.
The processing mode of all faults all is stored in the background data base.In case fault takes place, system can read corresponding processing mode according to the specified mode of operation of operator in database.
3.3 operator interface
Operator interface adopts error listing and ejects the mode of dialog box.
3.3.1 error listing
Error listing is used for phylogenetic all faults under the track, promptly comprises real time fail and historical failure.List content comprises:
(1) time of failure;
(2) fault identification and classified information, are then classified according to operator's manual selection if multiple possibility is arranged after the identification if identification back be single failure then Direct Classification;
(3) fault handling mode.
3.3.2 working mode selection
For the fault of arbitrary classification, all can be by operator or the Administrator of upper level its mode of operation of making an appointment more.Mode of operation commonly used comprises:
(1) handle automatically on the backstage: the back takes place without operator's manual confirmation in fault, directly sends automatic processing command by the backstage, and operator interface only limits to the text prompt of error listing;
(2) warning text display: fault only is recorded in the text of error listing after taking place, additional not any response action;
(3) dialog box prompting: fault is recorded in it in text of error listing after taking place, but the backstage does not respond action, but the ejection dialog box comprises the content of fault and handles suggestion between its highlight, and the operator can be according to practical situation mandate background process or manual processing voluntarily;
(4) do not have response: fault is not carried out any response after taking place, and is not recorded in error listing yet.
3.3.3 dialog box
The dialog box that system provides is operator's a main means of intervention, and dialog box always shows current up-to-date and fault that priority is the highest, comprises following content:
(1) time of failure;
(2) fault identification and classified information;
(3) failure modes operation domain: have multiple possibility after some fault identification, the operator can carry out manual classification;
(4) fault handling operation domain: if the mode of operation of such fault is " dialog box prompting ", can eject dialog box after then fault produces and between the highlight of operation domain in provide the fault handling suggestion.The operator can select " handling automatically " according to suggestion or close box by oneself.

Claims (7)

1. trouble diagnosis and treatment process under the blast furnace groove is characterized in that:
This method is to realize that by the trouble diagnosis and the handling procedure that are installed on the failure response PC trouble diagnosis and handling procedure comprise OPC client terminal, background data base, exception handles and operation interface;
OPC client terminal and opc server interaction data carry out the synchronous of PLC real time data and upgrade; Background data base and exception handles are kept in communication, and provide fault case and treatment process for it; Exception handles is analyzed with definite fault content institute's image data, and provides treatment process in conjunction with background data base; Operation interface provides error listing, working mode selection and dialog box.
2. using method according to claim 1 is characterized in that:
The background database manager system is housed on the failure response PC, communicates with exception handles;
The background database manager system carries out fault case management, priority management and failure response management;
The fault case management is adopted and is extracted fault case based on the mode of device class from background data base.
3. using method according to claim 1 is characterized in that fault case and treatment process that background data base provides see the following form:
Figure F200910273423XC00021
4. using method according to claim 2, it is characterized in that: the response of trouble diagnosis and handling procedure is to manage by the priority that background data base provides, fault priority is carried out mark with Arabic numerals, numeral is more little, priority is high more, and trouble diagnosis and treatment system always show and handle the highest fault of current priority.
5. using method according to claim 4, it is characterized in that the response of trouble diagnosis and treatment system and the flow process of working mode selection are: system reads plc data by the OPC client terminal, after fault takes place, exception handles carries out fault identification and classification rapidly, and the highest fault of the fault priority that provides by background data base response priority, response mode is specified in operation domain in advance or in real time by the operator, comprise that the backstage handles automatically, the warning text, dialog box prompting and do not have response, after exception handles inquires the mode of operation of this fault from background data base, handle according to its corresponding response mode.
6. trouble diagnosis according to claim 4 and treatment process, it is characterized in that operation interface provides dialog box always show current up-to-date and fault that priority is the highest, it comprises time of failure, fault identification and classified information, failure modes operation domain and fault handling operation domain.
7. according to each described using method in the claim 1~6, the concrete grammar that it is characterized in that system fault response is: when adopting the background process method, system will respond fast in conjunction with the fault case of background data base, by opc server the data of responding process are sent to PLC then, and provide error listing by operation interface; When adopting the processing mode of warning text, system provides error listing by operation interface; When adopting the processing mode of dialog box prompting, system provides dialog box by operation interface, the option of dialog box comprises backstage processing and manual processing automatically, if selecting the backstage handles automatically, automatically the method for handling with direct backstage is consistent, if select manual processing, then change and manually go to the scene to handle; System also provides error listing by operation interface, if this fault correspondence is the mode of operation of not having response, then system disregards and there is no any prompting, just it is recorded in the database.
CN200910273423A 2009-12-28 2009-12-28 Fault diagnosis and processing method under blast furnace trough Pending CN101775448A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN200910273423A CN101775448A (en) 2009-12-28 2009-12-28 Fault diagnosis and processing method under blast furnace trough
CN2010102056906A CN101892335B (en) 2009-12-28 2010-06-09 Method for diagnosing and processing faults below blast furnace groove
CN2010202349298U CN201857397U (en) 2009-12-28 2010-06-09 Under-tank fault diagnosis and treatment system of blast furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910273423A CN101775448A (en) 2009-12-28 2009-12-28 Fault diagnosis and processing method under blast furnace trough

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106789281A (en) * 2016-12-28 2017-05-31 青岛海天炜业过程控制技术股份有限公司 A kind of method that disconnection reconnecting is realized during OPC protocol communications
CN107209490A (en) * 2015-01-09 2017-09-26 西门子公司 For the supply of the key-course application used in industrial control condition

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107209490A (en) * 2015-01-09 2017-09-26 西门子公司 For the supply of the key-course application used in industrial control condition
US11226605B2 (en) 2015-01-09 2022-01-18 Siemens Aktiengesellschaft Provisioning of control layer applications for use in industrial control environments
CN106789281A (en) * 2016-12-28 2017-05-31 青岛海天炜业过程控制技术股份有限公司 A kind of method that disconnection reconnecting is realized during OPC protocol communications
CN106789281B (en) * 2016-12-28 2019-12-31 青岛海天炜业过程控制技术股份有限公司 Method for realizing disconnection reconnection in OPC protocol communication process

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