CN202189272U - Monitoring and diagnosing system of a thermal generator set - Google Patents
Monitoring and diagnosing system of a thermal generator set Download PDFInfo
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- CN202189272U CN202189272U CN2011201875765U CN201120187576U CN202189272U CN 202189272 U CN202189272 U CN 202189272U CN 2011201875765 U CN2011201875765 U CN 2011201875765U CN 201120187576 U CN201120187576 U CN 201120187576U CN 202189272 U CN202189272 U CN 202189272U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 238000003745 diagnosis Methods 0.000 claims description 22
- 238000010248 power generation Methods 0.000 claims description 19
- 238000007435 diagnostic evaluation Methods 0.000 claims description 16
- 230000000052 comparative effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
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Abstract
The utility model discloses a monitoring and diagnosing system of a thermal generator set, wherein the system comprises a real-time data acquisition unit for acquiring real-time data, a state judging unit used to compare the real-time data with a pre-determined threshold range, and a diagnosing and evaluating unit used to produce diagnosing and evaluating scheme. By adopting the monitoring and diagnosing system of the thermal generator, individual dependency of the whole scheme is reduced by comparing with diagnostic historical information, and efficiency of the whole monitoring and diagnosing procedure is improved; on the other side, the real-time data can be utilized more efficiently and comprehensively.
Description
Technical field
The utility model relates to a kind of thermal power generation unit monitoring and diagnosis system.
Background technology
In the fuel-burning power plant,, need monitor the thermal power generation unit equipment for production safety, stable.Usually, can adopt dcs, real-time dataBase system to wait the real-time performance index of the equipment of acquisition, and come the state of equipment is judged, overhaul or adjust determining whether based on these indexs.Usually, the discovery of equipment deficiency, make a report on and the record of affirmation and plant issue often all is artificial the completion.In the mode of this manual work, whole efficiency for monitoring handlability on the low side, monitor data is relatively poor on the one hand, is not easy whole monitor data is carried out utilization cmpletely; On the other hand, this mode has stronger individual dependence, that is to say; The personnel that have only a certain equipment of long period of operation are estimating apparatus situation from the data that monitor effectively, and combines the maintenance history etc. of this equipment to judge whether equipment is adjusted or repaired, and other staff are difficult to that then monitored equipment is had more understanding; Especially for the new person; Just because of the existence of this restriction, make them not only can't improve technical level fast, and can't when breaking down, in time take suitable solution; Therefore, this strong excessively personnel's dependence has potential danger.
The utility model content
In order to address the above problem, the utility model provides thermal power generation unit monitoring and diagnosis system.
The utility model provides a kind of thermal power generation unit monitoring and diagnosis system; Wherein this thermal power generation unit comprises at least one steam power plant; This system comprises: the real-time data acquisition unit; Be connected to said at least one steam power plant, and be used to receive real time data from this at least one steam power plant; The state judging unit; Receive said real time data from said real-time data acquisition unit, and be used for generating to the newspaper of these one or more steam power plants under the condition that real time data at one or more steam power plants of said at least one steam power plant exceeds threshold range and examine signal; The diagnostic evaluation unit, the said newspaper that is used to receive from said state judging unit is examined signal, and examines the comparative result generation diagnostic evaluation scheme of signal and diagnostic history information based on said newspaper.
Through above thermal power generation unit monitoring and diagnosis system; On the one hand through comparing the individual dependence that has reduced whole proposal with diagnostic history information; And improved the efficient of whole monitoring and diagnosis process, also make real time data can access more effectively comprehensive utilization on the other hand.
Other feature and advantage of the utility model will partly specify in embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of instructions, is used to explain the utility model with following embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation according to the thermal power generation unit monitoring and diagnosis system of a kind of embodiment of the utility model; And
Fig. 2 is the process flow diagram according to the thermal power generation unit monitoring and diagnosis method of a kind of embodiment of the utility model.
Embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to the utility model.Should be understood that embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
Fig. 1 shows the structural representation according to the thermal power generation unit monitoring and diagnosis system of a kind of embodiment of the utility model.Wherein, this thermal power generation unit comprises at least one steam power plant.
As shown in Figure 1, this thermal power generation unit monitoring and diagnosis system comprises real-time data acquisition unit 110, state judging unit 120 and diagnostic evaluation unit 130.Wherein, said real-time data acquisition unit 110 is connected to said at least one steam power plant, and obtains real time data from this at least one steam power plant.Said state judging unit 120 is electrically connected to said real-time data acquisition unit 110, and is used for the said real time data of 110 receptions from said real-time data acquisition unit, and this real time data and predetermined threshold value scope are compared.The real time data of the one or more steam power plants in said at least one steam power plant exceeds under the condition of said threshold range, and said state judging unit 120 generates to the newspaper of these one or more steam power plants examines signal.Said diagnostic evaluation unit 130 is connected to said state judging unit 120, is used for receiving said newspaper from said state judging unit 120 and examines signal, and said newspaper is examined signal with diagnostic history information compares, generation diagnostic evaluation scheme.
Preferably, can set different threshold ranges for each steam power plant based on facility information, said facility information comprises information such as unit type and device fabrication merchant.
Not only can set different threshold ranges, when the real time data of being gathered comprises a plurality of parameter, can also threshold range be set respectively to each parameter for different steam power plants.Wherein said parameter comprises temperature, pressure, rotating speed, voltage and current etc.
When having a plurality of parameter in the real time data, if exceeding, the one or more parameters at least one parameter of real time data are these one or more parameters difference preset threshold scopes, confirm that then this real time data exceeds the threshold range to this real time data.
Said diagnostic history information comprises overall diagnostic history information and diagnosis of case historical information; Wherein, The historical diagnostic message that said overall diagnostic history information is based on the historical diagnostic message of a plurality of steam power plants in said at least one steam power plant and/or obtains from the outside; Such as the various statistic of the historical data that can comprise all steam power plants, for example: most common failure, the most common failure when a certain special parameter exceeds threshold range (exceeding standard such as electric current) etc.Said diagnosis of case information is based on the historical diagnostic message of the specific individual equipment in said at least one steam power plant, comprises historical diagnosis, maintenance, changes record etc.
Preferably, said newspaper is examined and is also comprised in the following message at least one in the signal: real time data, these real time datas and the said threshold ratio that exceeds said one or more steam power plants of said threshold range result and facility information of these one or more steam power plants etc.
In a kind of embodiment of the utility model; Said thermal power generation unit monitoring and diagnosis system also comprises display unit; The user is used for showing that said newspaper examines information and/or said diagnostic evaluation scheme that signal comprises, so that can in time clearly control to the operation of whole thermal power generation unit.
In a kind of embodiment of the utility model; Said thermal power generation unit monitoring and diagnosis system also comprises database; Wherein said diagnostic evaluation unit obtains said diagnostic history information from this database, and can the diagnostic evaluation scheme that generated be stored in the said database.The comprehensive utilization that this not only can help all data can also promote sharing of information, also can make in many ways and can in time control the situation of particular device.
Fig. 2 is the process flow diagram according to the thermal power generation unit monitoring and diagnosis method of a kind of embodiment of the utility model.
In step 210, obtain real time data from said at least one steam power plant.
In step 220; Said real time data and predetermined threshold value scope are compared, and the real time data of the one or more steam power plants in said at least one steam power plant exceeds to generate to the newspaper of these one or more steam power plants under the condition of said threshold range and examines signal.
Preferably, can set different threshold ranges for each steam power plant based on facility information, said facility information comprises information such as unit type and device fabrication merchant.
Not only can set different threshold ranges, when the real time data of being gathered comprises a plurality of parameter, can also threshold range be set respectively to each parameter for different steam power plants.Wherein said parameter comprises temperature, pressure, rotating speed, voltage and current etc.
When having a plurality of parameter in the real time data, if exceeding, the one or more parameters at least one parameter of real time data are these one or more parameters difference preset threshold scopes, confirm that then this real time data exceeds the threshold range to this real time data.
Preferably, said newspaper is examined and is also comprised in the following message at least one in the signal: real time data, these real time datas and the said threshold ratio that exceeds said one or more steam power plants of said threshold range result and facility information of these one or more steam power plants etc.
In step 230, said newspaper is examined signal and diagnostic history information compares, generate the diagnostic evaluation scheme.
Said diagnostic history information comprises overall diagnostic history information and diagnosis of case historical information; Wherein, The historical diagnostic message that said overall diagnostic history information is based on the historical diagnostic message of a plurality of steam power plants in said at least one steam power plant and/or obtains from the outside; Such as the various statistic of the historical data that can comprise all steam power plants, for example: most common failure, the most common failure when a certain special parameter exceeds threshold range (exceeding standard such as electric current) etc.Said diagnosis of case information is based on the historical diagnostic message of the specific individual equipment in said at least one steam power plant, comprises historical diagnosis, maintenance, changes record etc.
In a kind of embodiment of the utility model, this method can also may further comprise the steps: said diagnostic evaluation scheme is verified, and stored being verified as correct diagnostic evaluation scheme.
Through above thermal power generation unit monitoring and diagnosis system and method; On the one hand through comparing the individual dependence that has reduced whole proposal with diagnostic history information; And improved the efficient of whole monitoring and diagnosis process, also make real time data can access more effectively comprehensive utilization on the other hand.
Need to prove that in addition each the concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, also can carry out combination in any between the various embodiment of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.
Claims (3)
1. thermal power generation unit monitoring and diagnosis system, wherein this thermal power generation unit comprises at least one steam power plant, it is characterized in that, this system comprises:
The real-time data acquisition unit is connected to said at least one steam power plant, and is used to receive the real time data from this at least one steam power plant;
The state judging unit; Receive said real time data from said real-time data acquisition unit, and be used for generating to the newspaper of these one or more steam power plants under the condition that real time data at one or more steam power plants of said at least one steam power plant exceeds threshold range and examine signal;
The diagnostic evaluation unit, the said newspaper that is used to receive from said state judging unit is examined signal, and examines the comparative result generation diagnostic evaluation scheme of signal and diagnostic history information based on said newspaper.
2. system according to claim 1; It is characterized in that; This system also comprises database, and wherein said diagnostic evaluation unit is used to obtain the said diagnostic history information from this database, and can the diagnostic evaluation scheme that generated be stored in the said database.
3. system according to claim 1 and 2 is characterized in that, this said display unit that also comprises is used for showing that said newspaper examines information and/or said diagnostic evaluation scheme that signal comprises.
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CN2011201875765U CN202189272U (en) | 2011-06-03 | 2011-06-03 | Monitoring and diagnosing system of a thermal generator set |
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CN2011201875765U CN202189272U (en) | 2011-06-03 | 2011-06-03 | Monitoring and diagnosing system of a thermal generator set |
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CN202189272U true CN202189272U (en) | 2012-04-11 |
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CN2011201875765U Expired - Lifetime CN202189272U (en) | 2011-06-03 | 2011-06-03 | Monitoring and diagnosing system of a thermal generator set |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102288911A (en) * | 2011-06-03 | 2011-12-21 | 中国神华能源股份有限公司 | System and method for monitoring and diagnosing thermal generator set |
CN108897303A (en) * | 2018-06-22 | 2018-11-27 | 丘莲清 | System and method is used in a kind of maintenance of steam power plant |
CN109298700A (en) * | 2018-11-16 | 2019-02-01 | 湖南省湘电试验研究院有限公司 | A kind of method and system of real-time judge thermal power unit operation abnormal parameters variation |
-
2011
- 2011-06-03 CN CN2011201875765U patent/CN202189272U/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102288911A (en) * | 2011-06-03 | 2011-12-21 | 中国神华能源股份有限公司 | System and method for monitoring and diagnosing thermal generator set |
CN108897303A (en) * | 2018-06-22 | 2018-11-27 | 丘莲清 | System and method is used in a kind of maintenance of steam power plant |
CN109298700A (en) * | 2018-11-16 | 2019-02-01 | 湖南省湘电试验研究院有限公司 | A kind of method and system of real-time judge thermal power unit operation abnormal parameters variation |
CN109298700B (en) * | 2018-11-16 | 2020-12-04 | 湖南省湘电试验研究院有限公司 | Method and system for judging abnormal change of operation parameters of thermal power generating unit in real time |
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Granted publication date: 20120411 |