CN107991100A - A kind of diesel engine method for detecting operation state and system - Google Patents

A kind of diesel engine method for detecting operation state and system Download PDF

Info

Publication number
CN107991100A
CN107991100A CN201610976456.0A CN201610976456A CN107991100A CN 107991100 A CN107991100 A CN 107991100A CN 201610976456 A CN201610976456 A CN 201610976456A CN 107991100 A CN107991100 A CN 107991100A
Authority
CN
China
Prior art keywords
data
diesel engine
fault diagnosis
operation data
fault
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610976456.0A
Other languages
Chinese (zh)
Inventor
李锋
欧阳辉
彭海成
李晋
郭琳
裴晓通
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China General Nuclear Power Corp
Fujian Ningde Nuclear Power Co Ltd
Original Assignee
China General Nuclear Power Corp
Fujian Ningde Nuclear Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China General Nuclear Power Corp, Fujian Ningde Nuclear Power Co Ltd filed Critical China General Nuclear Power Corp
Priority to CN201610976456.0A priority Critical patent/CN107991100A/en
Publication of CN107991100A publication Critical patent/CN107991100A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00Testing of engines
    • G01M15/04Testing internal-combustion engines
    • G01M15/05Testing internal-combustion engines by combined monitoring of two or more different engine parameters

Abstract

The application, which provides a kind of diesel engine method for detecting operation state and system, method, to be included:Obtain and record the operation data of the working status of the characterization each work system of diesel engine, operation data include discrete data and continuous data;Operation data are added in the running state data list of corresponding work system;The running state data list of each work system of diesel engine is shown with predetermined manner;Judge whether diesel engine breaks down according to operation data, if so, Analysis on Fault Diagnosis is carried out according to the operation data in preset time period before and after the moment of breaking down, according to analysis result generation fault diagnosis report.Such scheme provides enough data for diesel engine fault point and supports, it will also belong to the operation data under identical work system at the same time to be added in same running state data list, so that it is no longer isolated between the operation data collected, realize fast positioning and the diagnosis of diesel engine fault.

Description

A kind of diesel engine method for detecting operation state and system
Technical field
The present invention relates to fault detection technique field, and in particular to a kind of diesel engine method for detecting operation state and system.
Background technology
It is more and more with the type and quantity of electrical equipment, among these electrical equipments, not only there are fire pump, spray The electrical equipment such as the fire-fighting equipments such as pump, the life pump of reliable power supply also in need, elevator, to meet the reliable of these equipment electricity consumptions Property, when municipal power grid can not reliable power supply when, generally use diesel emergency generating set is as above-mentioned each equipment in the design Stand-by power supply.
Generally use Emergency diesel event recorder device carries out the operating status of Emergency diesel in the prior art Record, it records line style data in data only include in diesel engine operational process, causes the Emergency diesel event recorder Device is only capable of realizing the record to sequential of alarming, since prior art means limit the Emergency diesel in the process of running very The value volume and range of product of more important signal record is less, each execution after can not completely reproducing the emergency diesel-oil and breaking down The course of work of mechanism, and then accurate positionin to failure and diagnosis have an impact.
For example, governor throttle lever was a stroke measurment indicator originally in diesel engine body, and stroke distances 35mm, angle Spend the machinery output for 0~60 °.Emergency diesel event recorder device can not record the working status of throttle lever at present. Diesel engine is during startup, once throttle lever occurs due to not having teletransmission tracer signal in design, in the diesel engine test starting period Between, once bite or stroke, which occurs, in body governor deviation, it will be unable to positioning failure.For another example the electricity in diesel engine body Sub- governor sends the DC current Regulate signal of a continuous 0~1A, existing emergency diesel-oil to throttle lever executing agency Machine event recorder device can not be detected this Regulate signal, once electron speed regulator is abnormal, then diesel engine will work and lose Often, it is difficult to fault location.
Further, due to mutually isolated between the mass data in the Emergency diesel event recorder device, nothing Method forms effective data-link, can only be in the case where there is engineer's subjective judgement of abundant spot debugging experience, just can be from flood tide waveform number According to the extremely a small amount of fault message of middle extraction, workload is huge, time-consuming and laborious, inefficiency.
How to realize that the fast positioning of diesel engine fault and diagnosis become those skilled in the art's technology urgently to be resolved hurrily and ask One of topic.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of diesel engine method for detecting operation state and system, to realize diesel oil The fast positioning of machine failure and diagnosis.
To achieve the above object, the embodiment of the present invention provides following technical solution:
A kind of diesel engine method for detecting operation state, including:
Obtain and record and be used for the operation for characterizing the working status of each work system of diesel engine in diesel engine operational process Data, the operation data include discrete data and continuous data;
The work system for the diesel engine belonging to operation data that judgement is got;
The operation data are added in the running state data list of corresponding work system;
The running state data list of each work system of the diesel engine is shown with predetermined manner;
Judge whether the diesel engine breaks down according to the operation data, if so, before according to the moment of breaking down The operation data in preset time period carry out Analysis on Fault Diagnosis afterwards, according to analysis result generation fault diagnosis report.
Preferably, it is described according to preset time before and after the moment of breaking down in above-mentioned diesel engine method for detecting operation state Operation data in section carry out Analysis on Fault Diagnosis, including:
Using the fault diagnosis report stored in historical data base and the failure operation number to match with fault diagnosis report According to the priori as fault diagnosis, according to the priori and the operation before and after the moment of breaking down in preset time period Data carry out Analysis on Fault Diagnosis, generate fault diagnosis report;
Using the operation data in preset time period before and after the failure moment as the fault diagnosis report with generation Matched fault data, the historical data base is imported by the fault diagnosis report of generation and matched fault data.
Preferably, in above-mentioned diesel engine method for detecting operation state, the operation data include at least:For characterizing diesel oil Machine body instrument system, diesel engine speed regulation control system, generator electrical protection systems, diesel engine oil air water auxiliary system, bavin The operation data of the operating status of oil machine group start-stop control system and diesel engine same period control system.
Preferably, in above-mentioned diesel engine method for detecting operation state, further include:
Judge with the presence or absence of the fault diagnosis report of redundancy in the historical data base, if so, rejecting the failure of redundancy Diagnosis report and matched fault data.
Preferably, in above-mentioned diesel engine method for detecting operation state, further include:
The operation of the diesel engine is analyzed according to the history data in the operation data and historical data base got State, generates diesel engine operating status assessment report.
A kind of diesel engine condition monitoring system, including:
Data acquisition unit, is used to characterize each work system of diesel engine for obtaining and recording in diesel engine operational process Working status operation data;
Data sorting unit, the work system of the diesel engine belonging to operation data got for judgement;By the fortune Row data are added in the running state data list of corresponding work system;
Display control unit, for controlling display to show with predetermined manner the fortune of each work system of the diesel engine Row status data list;
Breakdown judge unit, for judging whether the diesel engine breaks down according to the operation data, if so, to Failure diagnosis unit exports trigger signal;
Failure diagnosis unit, for after the trigger signal of the breakdown judge unit output is got, event to occur in foundation Operation data before and after the barrier moment in preset time period carry out Analysis on Fault Diagnosis, according to analysis result generation fault diagnosis report Accuse.
Preferably, in above-mentioned diesel engine condition monitoring system, the failure diagnosis unit, including:
Sub- diagnosis unit, for using the fault diagnosis report stored in historical data base and with fault diagnosis report phase Priori of the failure operation data matched somebody with somebody as fault diagnosis, presets according to the priori and before and after the moment of breaking down Operation data in period carry out Analysis on Fault Diagnosis, generate fault diagnosis report;
Data import unit, for using the operation data before and after the failure moment in preset time period as with life Into the matched fault data of fault diagnosis report, the fault diagnosis report of generation and matched fault data are imported into institute State historical data base.
Preferably, in above-mentioned diesel engine condition monitoring system, further include:
Fault diagnosis report extraction unit, for judging in the historical data base with the presence or absence of the fault diagnosis report of redundancy Accuse, if so, rejecting the fault diagnosis report of redundancy and matched fault data.
Preferably, in above-mentioned diesel engine condition monitoring system, further include:
Operating status assessment unit, for according to the history data in the operation data and historical data base got The operating status of the diesel engine is analyzed, generates diesel engine operating status assessment report.
Preferably, in above-mentioned diesel engine condition monitoring system, the display control unit, specifically for that will show The display area of device is divided into multiple sub-viewing areas, and each display area corresponds to the operation for showing a diesel engine work system Status data list.
Based on above-mentioned technical proposal, diesel engine method for detecting operation state provided in an embodiment of the present invention and system, pass through The discrete data and continuous data for the working status for being used to characterize each work system of diesel engine are obtained, is diesel engine fault Divide and enough data supports are provided, while the operation data belonged under identical work system are also added to same operating status number According in list so that it is no longer isolated between the operation data collected, so as to be more convenient for user to diesel engine work system Operation conditions judgement, when a failure occurs, facilitate user to carry out accident analysis, realize the fast positioning of diesel engine fault And diagnosis.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of diesel engine method for detecting operation state disclosed in the embodiment of the present application;
Fig. 2 is a kind of flow chart of diesel engine method for detecting operation state disclosed in another embodiment of the application;
Fig. 3 is a kind of structure diagram of diesel engine condition monitoring system disclosed in the embodiment of the present application;
Fig. 4 is a kind of structure diagram of diesel engine condition monitoring disclosed in another embodiment of the application.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment, belongs to the scope of protection of the invention.
In order to realize the fast positioning of diesel engine fault, the embodiment of the present application discloses one kind and is used for realization diesel engine fault The diesel engine method for detecting operation state and system of fast positioning.
Fig. 1 is a kind of flow chart of diesel engine method for detecting operation state disclosed in the embodiment of the present application.
Referring to Fig. 1, diesel engine method for detecting operation state includes disclosed in the embodiment of the present application:
Step S101:Obtain diesel engine operation data;
It is directed to the Emergency diesel event recorder device that current emergency diesel-oil unit uses and can only records discrete type and (opens Measure pass) input signal, lack and be used for the analog input signal for characterizing diesel engine work system in diesel engine operational process, cause When some failures occurs in diesel engine, Emergency diesel event recorder device can not carry out monitoring running state and failure point Analysis.Therefore, in this step, the diesel engine operation data got are for being used to characterize diesel oil in diesel engine operational process The operation data of the working status of each work system of machine, the operation data are including discrete data (analog data) and continuously Type data (analog data), provide complete data support, specifically, needing reality so as to detect and position to diesel engine fault When obtain diesel engine work system which operation data, can voluntarily be selected according to user demand, as long as it can ensure that to bavin Oil machine accident analysis provides enough data and supports.
When carrying out operation data acquisition, its acquisition mode can depending on the characteristic according to current collection point, such as:
Electron speed regulator DC adjustment signal is gathered using contactless measurement scheme, when gathering the direct current signal, The direct current signal is transformed into standard signal, using the continuous data of standard signal collection as needed for;
, will using contact or contactless stroke/angle transmitter collection governor oil door rod position indicative signal The position indicative signal is transformed into standard signal, using the continuous data of standard signal collection as needed for;
Recorded by way of to operation data acquisition and storage failure occur front and rear various protection acts sequential and The transient wave situation of the analog signals such as speed and current voltage, the data foundation of abundance is provided for diesel engine failure diagnosis.
Step S102:The work system for the diesel engine belonging to operation data that judgement is got;
In this step, be directed to mass data in the device of Emergency diesel event recorder described in the prior art it Between it is mutually isolated, effective data-link can not be formed, can only just may be used in the case where there is engineer's subjective judgement of abundant spot debugging experience The problem of extremely a small amount of fault message is extracted from flood tide Wave data, this step to the diesel engine got by running number According to classifying at that time so that belong to interrelated between the operation data of same diesel engine work system, to facilitate user Data are carried out to check and analyze.
Specifically, in this step, can be by way of judging to run Data Identification after operation data are got Judge the work system belonging to the operation data, be divided into the operation data acquisition system for belonging to the work system, i.e. this When, the operation data include an identification information for being used to characterize the work system described in it, can determine whether by the identification information Work system described in it.Certainly, can also be by analyzing its corresponding data-interface when classifying to the operation data Mode determine its corresponding work system, at this time, when get operation data when, the data for judging to obtain the operation data connect The address information of mouth, judges the corresponding work system of the address information, the corresponding work of the address information by default mapping ruler System is the corresponding work system of operation data, and the operation data are divided into the operation for the work system that mapping obtains In data acquisition system.
Step S103:The operation data are added in the running state data list of corresponding work system;
The running state data list in this step can be regarded as the operation data made referrals in above-mentioned steps.
Step S104:The running state data list of each work system of the diesel engine is shown with predetermined manner;
In this step, can be by pre- in order to enable possessing relevance between operation data under each work system If the rule mode that shows the operation data under same work system in same display area so that it is a certain run data and with Possess relevance between its other adjacent operation data, enable a user to more quickly judge a certain work system Working status, for example, by carrying out region division to the display area of display, be divided into some sub- viewing areas Domain, each sub-viewing areas are used for the operation data for showing corresponding work system.Can certainly only display user it work as Operation data under the work system of preceding selection.
When carrying out operation data display, display mode can be shown in a manner of data list, of course for general The variation tendency of operation data more intuitively shows user, can also be by will first belong to same collection point pair in this step The operation data answered are presented to user by the way of data sheet, data variation curve or other figures, and user can quickly sentence The operation conditions for the work system of breaking.
Certainly, in this step, can when the operation data for causing to get due to diesel engine fault exceed preset range The operation data beyond preset range are labeled using default mark, for example, by beyond the fortune of the preset range Row data are shown in red.
Step S105:Judge whether the diesel engine breaks down according to the operation data, if so, performing step S106;
Step S106:Analysis on Fault Diagnosis is carried out according to the operation data in preset time period before and after the moment of breaking down, According to analysis result generation fault diagnosis report, wherein, the fault diagnosis report includes:The time broken down and position, The influence of failure to unit etc..
Referring to technical solution disclosed in the above embodiments of the present application, it is used to characterize each work system of diesel engine by obtaining Working status discrete data and continuous data, provide enough data for diesel engine fault point and support, while will also The operation data belonged under identical work system are added in same running state data list so that the operation data collected Between it is no longer isolated, so as to be more convenient for judgement of the user to the operation conditions of diesel engine work system, when a failure occurs, User is facilitated to carry out accident analysis.
In order to further improve the reliability of the fault diagnosis report, the abundant application to the historical data of storage, this Apply in method disclosed in above-described embodiment, the step S106 can also use the fault diagnosis report stored in historical data base Priori and knowledge base of the fault data corresponding with its as fault diagnosis, provide data for accident analysis and support, wherein, The data stored in the historical data base include:History data, historical failure diagnosis report and with the history therefore The fault data that barrier diagnosis report matches.
Specifically, it can include referring to Fig. 2, the step S106:
Step S1061:Match using the fault diagnosis report stored in historical data base and with fault diagnosis report Priori of the failure operation data as fault diagnosis, according to the priori and preset time before and after the moment of breaking down Operation data in section carry out Analysis on Fault Diagnosis, generate fault diagnosis report;
Step S1062:Using the operation data in preset time period before and after the failure moment as the event with generation Hinder the matched fault data of diagnosis report, the fault diagnosis report of generation and matched fault data are imported into the history Database.
In the above method that the application provides, the substantial amounts of fault diagnosis report and number of faults that are stored in historical data base According to being no longer the invalid data that occupies memory space, but will there is very high value in the historical data stored in database " experience " preserves, and as the priori and knowledge of this fault diagnosis, is provided for this fault diagnosis with higher Targetedly fault diagnosis report data source, further increase the reliability of far.
In the above method, in order to facilitate accident analysis, the operation data should include at least:Channel number, data type, adopt Sample moment and data value.
In the above method, the work system of the diesel engine of required monitoring includes at least:Diesel engine body instrument system, diesel oil Machine speed-adjusting and control system, generator electrical protection systems, diesel engine oil air water auxiliary system, diesel engine unit start-stop control system and Diesel engine same period control system, the operation data include at least the operation number for the operating status for being used to characterize above-mentioned each system According to.
It is understood that have in the fault diagnosis report stored in the historical data base generated in the above-mentioned methods very much The fault diagnosis report repeated, such as same failure problems, in historical data base can there are multiple fault diagnosis reports, Or having the repeated fault diagnosis report of single failure, these redundant datas cause the waste of a large amount of memory spaces, at the same time Fault diagnosis is impacted, it is therefore desirable to effective report (data) is extracted in these fault diagnosis reports, and is rejected Those useless reports (redundancy report).Thus, in method disclosed in the above embodiments of the present application, it can also include:Judge institute State in historical data base whether there is redundancy fault diagnosis report, if so, reject redundancy fault diagnosis report and and its Matched fault data.
Certainly, in order to instruct user to diesel engine progress later maintenance and maintenance, side disclosed in the above embodiments of the present application In method, while fault diagnosis report is generated, the diesel engine fortune for instructing user to safeguard diesel engine can be also generated Row status assessment reports that is, the above method can also include:According to the history in the operation data and historical data base got The operating status of diesel engine described in Operational Data Analysis, generates diesel engine operating status assessment report, and the diesel engine runs shape State assessment report includes:Influence degree, maintenance and maintenance suggestion of current failure etc..
The above method is directed to, disclosed herein as well is a kind of diesel engine condition monitoring system, both can mutually borrow Mirror, referring to Fig. 3, which can include:
Data acquisition unit 100, is used to characterize each work of diesel engine for obtaining and recording in diesel engine operational process The operation data of the working status of system;
Data sorting unit 200, the work system of the diesel engine belonging to operation data got for judgement;By described in Operation data are added in the running state data list of corresponding work system;
Display control unit 300, for controlling display to show each work system of the diesel engine with predetermined manner Running state data list;
Breakdown judge unit 400, for judging whether the diesel engine breaks down according to the operation data, if It is to export trigger signal to failure diagnosis unit 500;
Failure diagnosis unit 500, for after the trigger signal of the breakdown judge unit output is got, foundation to occur Operation data before and after fault moment in preset time period carry out Analysis on Fault Diagnosis, according to analysis result generation fault diagnosis report Accuse.
Wherein, the operation data that the data acquisition unit 100 is got include discrete data (analog data) and Continuous data (analog data).When carrying out operation data acquisition, its acquisition mode can be according to the spy of current collection point Depending on property, such as:Electron speed regulator DC adjustment signal is gathered using contactless measurement scheme, is gathering the direct current signal When, the direct current signal is transformed into standard signal, using the continuous data of standard signal collection as needed for;Using connecing Touch or contactless stroke/angle transmitter collection governor oil door rod position indicative signal, the position instruction is believed Number standard signal is transformed into, using the continuous data of standard signal collection as needed for.The data acquisition unit 100 is logical Cross and front and rear various protection acts occur for failure sequential and speed and current electricity are recorded to the mode of operation data acquisition and storage The transient wave situation of the analog signals such as pressure, the data foundation of abundance is provided for diesel engine failure diagnosis.
It is directed between the mass data in the device of Emergency diesel event recorder described in the prior art and mutually isolates, Effective data-link can not be formed, can only be in the case where there is engineer's subjective judgement of abundant spot debugging experience, just can be from flood tide waveform The problem of extracting data extremely a small amount of fault message, detecting system disclosed in the present application can pass through the data grouping sheet Member 200 and display control unit 300 excessively classify at that time the diesel engine operation data got so that belong to same It is interrelated between the operation data of diesel engine work system, check and analyze to facilitate user to carry out data.
Specifically, the data sorting unit 200 after operation data are got, can run data mark by judgement The mode of knowledge judges the work system belonging to the operation data, is divided into the operation data acquisition system for belonging to the work system In (running state data list), i.e. at this time, the operation data include a mark for being used to characterize the work system described in it Information, the work system described in it is can determine whether by the identification information.Certainly, the data sorting unit 200 is to the fortune , can also be determining the operation by way of analyzing the address of the operation data corresponding data interface when row data are classified The corresponding work system of data, at this time, when getting operation data, judges to obtain the address of the data-interface of the operation data Information, judges the corresponding work system of the address information, the corresponding work system of the address information is by default mapping ruler The operation data, are divided into the operation data acquisition system for the work system that mapping obtains by the corresponding work system of operation data In.
In order to enable possess relevance, the display control unit 300 between operation data under each work system Can be by way of preset rules show the operation data under same work system in same display area so that a certain fortune Possess relevance between row data and other operation data adjacent thereto, enable a user to more quickly judge certain The working status of one work system, for example, the display control unit 300 to the display area of display by carrying out region Division, is divided into several adjacent sub-viewing areas, and each sub-viewing areas is used to show corresponding job family The operation data of system.It can certainly only show the operation data under the work system that user currently selects, at this time, the display Device control unit 300 obtain user arrive the work system selection instruction of user after, judge the selection instruction corresponding to job family System, controls the display to show the corresponding operation data of the work system.Certainly, the display control unit 300 is being controlled Display processed can in a manner of data list to operation data show, of course for by run data variation tendency more Add and intuitively show user, the display control unit 300 can also include a data processing unit, the data processing list Member be used for according to get belong to same collection point it is corresponding operation data generation data sheet, data variation curve or other Figure, the display control unit 300 control display with the side of the data sheet, data variation curve or other figures Formula shows the operation data.
Certainly, the observation fault data being more prone in order to facilitate user, the breakdown judge unit 400 are additionally operable to, when Due to when the operation data that diesel engine fault causes to get exceed preset range, being exported to the display control unit 300 Mark instruction, control the display control unit 300 using default mark to the operation data beyond preset range into Rower is noted, for example, will be shown in red beyond the operation data of the preset range, or the change curve that is shown in display or The appropriate location addition failure identification of figure.
It is corresponding with the above method, the failure diagnosis unit 300, including:
Sub- diagnosis unit, for using the fault diagnosis report stored in historical data base and with fault diagnosis report phase Priori of the failure operation data matched somebody with somebody as fault diagnosis, presets according to the priori and before and after the moment of breaking down Operation data in period carry out Analysis on Fault Diagnosis, generate fault diagnosis report;
Data import unit, for using the operation data before and after the failure moment in preset time period as with life Into the matched fault data of fault diagnosis report, the fault diagnosis report of generation and matched fault data are imported into institute State historical data base.
In said system, the substantial amounts of fault diagnosis report and fault data that are stored in historical data base are no longer to occupy to deposit The invalid data in space is stored up, but " experience " that has very high value in the historical data stored in database is preserved, The priori and knowledge of this fault diagnosis are carried out as the failure diagnosis unit 300, is provided for this fault diagnosis Data source with higher targetedly fault diagnosis report, further increases the reliability of far.
It is corresponding with the above method, in order to eliminate the fault diagnosis report and fault data of redundancy in historical data base, this It can also include in system disclosed in application above-described embodiment:The fault diagnosis report extraction unit 600 being connected with storage unit, The historical data base used in above-described embodiment, the Trouble Report extraction unit 600 are stored with the storage unit For judging with the presence or absence of the fault diagnosis report of redundancy in the historical data base, if so, rejecting the fault diagnosis of redundancy Report and matched fault data.
It is corresponding with the above method, in order to instruct user to carry out later maintenance and maintenance, the above-mentioned reality of the application to diesel engine Applying system disclosed in example can also include:Operating status assessment unit 700, for judging bavin when fault diagnosis judging unit 400 When oil machine breaks down, the diesel engine is analyzed according to the history data in the operation data and historical data base got Operating status, generate diesel engine operating status assessment report.
For convenience of description, it is divided into various modules during description system above with function to describe respectively.Certainly, this is being implemented The function of each module can be realized in same or multiple softwares and/or hardware during application.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment Divide mutually referring to what each embodiment stressed is the difference with other embodiment.Especially for system or For system embodiment, since it is substantially similar to embodiment of the method, so describing fairly simple, related part is referring to method The part explanation of embodiment.System and system embodiment described above is only schematical, wherein the conduct The unit that separating component illustrates may or may not be it is physically separate, can be as the component that unit is shown or Person may not be physical location, you can with positioned at a place, or can also be distributed in multiple network unit.Can root Factually border needs to select some or all of module therein realize the purpose of this embodiment scheme.Ordinary skill Personnel are without creative efforts, you can to understand and implement.
Professional further appreciates that, with reference to each exemplary unit of the embodiments described herein description And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and The interchangeability of software, generally describes each exemplary composition and step according to function in the above description.These Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical solution.Specialty Technical staff can realize described function to each specific application using distinct methods, but this realization should not Think beyond the scope of this invention.
Can directly it be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology In any other form of storage medium well known in field.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation There are any actual relationship or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain Lid non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that Also there are other identical element in process, method, article or equipment including the key element.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the present invention. A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one The most wide scope caused.

Claims (10)

  1. A kind of 1. diesel engine method for detecting operation state, it is characterised in that including:
    Obtain and record and be used for the operation data for characterizing the working status of each work system of diesel engine in diesel engine operational process, The operation data include discrete data and continuous data;
    The work system for the diesel engine belonging to operation data that judgement is got;
    The operation data are added in the running state data list of corresponding work system;
    The running state data list of each work system of the diesel engine is shown with predetermined manner;
    Judge whether the diesel engine breaks down according to the operation data, if so, according to pre- before and after the moment of breaking down If the operation data in the period carry out Analysis on Fault Diagnosis, according to analysis result generation fault diagnosis report.
  2. 2. diesel engine method for detecting operation state according to claim 1, it is characterised in that when the foundation breaks down Operation data before and after quarter in preset time period carry out Analysis on Fault Diagnosis, including:
    Made using the fault diagnosis report stored in historical data base and the failure operation data to match with fault diagnosis report For the priori of fault diagnosis, according to the priori and the operation data before and after the moment of breaking down in preset time period Analysis on Fault Diagnosis is carried out, generates fault diagnosis report;
    Operation data in preset time period before and after the failure moment are matched as the fault diagnosis report with generation Fault data, the fault diagnosis report of generation and matched fault data are imported into the historical data base.
  3. 3. diesel engine method for detecting operation state according to claim 1, it is characterised in that the operation data are at least wrapped Include:For characterizing diesel engine body instrument system, diesel engine speed regulation control system, generator electrical protection systems, diesel engine oil The operation data of the operating status of air water auxiliary system, diesel engine unit start-stop control system and diesel engine same period control system.
  4. 4. diesel engine method for detecting operation state according to claim 1, it is characterised in that further include:
    Judge with the presence or absence of the fault diagnosis report of redundancy in the historical data base, if so, rejecting the fault diagnosis of redundancy Report and matched fault data.
  5. 5. diesel engine method for detecting operation state according to claim 1, it is characterised in that further include:
    The operating status of the diesel engine is analyzed according to the history data in the operation data and historical data base got, Generate diesel engine operating status assessment report.
  6. A kind of 6. diesel engine condition monitoring system, it is characterised in that including:
    Data acquisition unit, for obtaining and recording the work for being used for characterizing each work system of diesel engine in diesel engine operational process Make the operation data of state;
    Data sorting unit, the work system of the diesel engine belonging to operation data got for judgement;By the operation number According to being added in the running state data list of corresponding work system;
    Display control unit, for controlling display to show with predetermined manner the operation shape of each work system of the diesel engine State data list;
    Breakdown judge unit, for judging whether the diesel engine breaks down according to the operation data, if so, to failure Diagnosis unit exports trigger signal;
    Failure diagnosis unit, for after the trigger signal of breakdown judge unit output is got, during according to breaking down Operation data before and after quarter in preset time period carry out Analysis on Fault Diagnosis, according to analysis result generation fault diagnosis report.
  7. 7. diesel engine condition monitoring system according to claim 6, it is characterised in that the failure diagnosis unit, Including:
    Sub- diagnosis unit, for what is matched using the fault diagnosis report stored in historical data base and with fault diagnosis report Priori of the failure operation data as fault diagnosis, according to the priori and preset time before and after the moment of breaking down Operation data in section carry out Analysis on Fault Diagnosis, generate fault diagnosis report;
    Data import unit, for using the operation data before and after the failure moment in preset time period as with generation The matched fault data of fault diagnosis report, will go through described in the fault diagnosis report of generation and the importing of matched fault data History database.
  8. 8. diesel engine condition monitoring system according to claim 6, it is characterised in that further include:
    Fault diagnosis report extraction unit, for judge in the historical data base whether there is redundancy fault diagnosis report, If so, reject the fault diagnosis report of redundancy and matched fault data.
  9. 9. diesel engine condition monitoring system according to claim 6, it is characterised in that further include:
    Operating status assessment unit, for according to the history data analysis in the operation data and historical data base got The operating status of the diesel engine, generates diesel engine operating status assessment report.
  10. 10. diesel engine condition monitoring system according to claim 6, it is characterised in that the display control is single Member, specifically for the display area of display is divided into multiple sub-viewing areas, each display area, which corresponds to, shows a bavin The running state data list of oil machine work system.
CN201610976456.0A 2016-10-27 2016-10-27 A kind of diesel engine method for detecting operation state and system Pending CN107991100A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610976456.0A CN107991100A (en) 2016-10-27 2016-10-27 A kind of diesel engine method for detecting operation state and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610976456.0A CN107991100A (en) 2016-10-27 2016-10-27 A kind of diesel engine method for detecting operation state and system

Publications (1)

Publication Number Publication Date
CN107991100A true CN107991100A (en) 2018-05-04

Family

ID=62029590

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610976456.0A Pending CN107991100A (en) 2016-10-27 2016-10-27 A kind of diesel engine method for detecting operation state and system

Country Status (1)

Country Link
CN (1) CN107991100A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108710349A (en) * 2018-05-16 2018-10-26 珠海格力电器股份有限公司 A kind of failure data acquisition method and fault data processing system
CN109900485A (en) * 2019-04-09 2019-06-18 无锡康明斯涡轮增压技术有限公司 Method for diagnosing faults, device and the fault diagnosis system of engine aspirating system
CN110672947A (en) * 2019-09-29 2020-01-10 龙岩学院 Intelligent electrical engineering measurement system and measurement method
CN110989432A (en) * 2019-11-29 2020-04-10 北京京能电力股份有限公司 System and method for analyzing unit start-stop sequence logic
CN112253294A (en) * 2020-10-23 2021-01-22 江铃汽车股份有限公司 Remote online monitoring and optimizing method for SCR efficiency of diesel engine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1332422A (en) * 2000-06-22 2002-01-23 株式会社日立制作所 Remote monitoring diagnostic system and method
DE102006061894A1 (en) * 2006-12-28 2008-07-03 Robert Bosch Gmbh Fuel injection system's e.g. fuel injector, malfunctioning diagnosing device for motor vehicle, has controlling and evaluating unit to diagnose malfunctioning of system from sensor signal by considering diagnostic operating condition
WO2011073175A1 (en) * 2009-12-14 2011-06-23 Spheretech International Diagnostic method for a diesel engine
CN102494899A (en) * 2011-11-25 2012-06-13 华南理工大学 Composite fault diagnosis method for diesel engine and diagnosis system
CN102765643A (en) * 2012-05-31 2012-11-07 天津大学 Elevator fault diagnosis and early-warning method based on data drive

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1332422A (en) * 2000-06-22 2002-01-23 株式会社日立制作所 Remote monitoring diagnostic system and method
DE102006061894A1 (en) * 2006-12-28 2008-07-03 Robert Bosch Gmbh Fuel injection system's e.g. fuel injector, malfunctioning diagnosing device for motor vehicle, has controlling and evaluating unit to diagnose malfunctioning of system from sensor signal by considering diagnostic operating condition
WO2011073175A1 (en) * 2009-12-14 2011-06-23 Spheretech International Diagnostic method for a diesel engine
CN102494899A (en) * 2011-11-25 2012-06-13 华南理工大学 Composite fault diagnosis method for diesel engine and diagnosis system
CN102765643A (en) * 2012-05-31 2012-11-07 天津大学 Elevator fault diagnosis and early-warning method based on data drive

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
周根明,唐晓霞,郭霆,周少华: "基于AHP 方法的船舶柴油机健康状态评估", 《智能化与控制》 *
黄麟,林叶春, 李大亮: "计算机控制故障监测系统在船舶柴油机中的应用", 《船电技术》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108710349A (en) * 2018-05-16 2018-10-26 珠海格力电器股份有限公司 A kind of failure data acquisition method and fault data processing system
CN109900485A (en) * 2019-04-09 2019-06-18 无锡康明斯涡轮增压技术有限公司 Method for diagnosing faults, device and the fault diagnosis system of engine aspirating system
CN110672947A (en) * 2019-09-29 2020-01-10 龙岩学院 Intelligent electrical engineering measurement system and measurement method
CN110989432A (en) * 2019-11-29 2020-04-10 北京京能电力股份有限公司 System and method for analyzing unit start-stop sequence logic
CN112253294A (en) * 2020-10-23 2021-01-22 江铃汽车股份有限公司 Remote online monitoring and optimizing method for SCR efficiency of diesel engine
CN112253294B (en) * 2020-10-23 2021-09-17 江铃汽车股份有限公司 Remote online monitoring and optimizing method for SCR efficiency of diesel engine

Similar Documents

Publication Publication Date Title
CN107991100A (en) A kind of diesel engine method for detecting operation state and system
US9310345B2 (en) Sensor system, computer, and machine
CN110414155A (en) A kind of detection of fan part temperature anomaly and alarm method with single measuring point
CN108051709A (en) Transformer state online evaluation analysis method based on artificial intelligence technology
GB2476246A (en) Diagnosing an operation mode of a machine
CN106201828A (en) A kind of virtual-machine fail detection method based on data mining and system
CN103675355B (en) Anemoscope monitoring method and system
CN105044499A (en) Method for detecting transformer state of electric power system equipment
CN103180793A (en) Anomaly diagnostic device and industrial machine
CN105003453A (en) Online monitoring and fault diagnosis system of mine fan
CN106762343B (en) The diagnostic method of hydraulic generator set thrust bearing failure based on online data
CN109946535A (en) A kind of fault arc detection method
CN204113701U (en) A kind of mine fan on-line monitoring and fault diagnosis system
CN110646685B (en) Comprehensive evaluation method for state of switch cabinet
CN114781476B (en) System and method for analyzing faults of measuring equipment
CN107710089A (en) Shop equipment diagnostic device and shop equipment diagnostic method
CN111627199A (en) Hydropower station dam safety monitoring system and monitoring method
CN112686405A (en) Power distribution network fault area division method based on fault tree
CN107863755A (en) Machine upkeep and diagnostic system and method
CN105806614B (en) Thermal power plant's rotary machinery fault diagnosis method and system based on Embedded Double server
CN110085005A (en) Marine generator monitoring method, device, system and storage medium
CN107025355A (en) A kind of ship fault diagnosis method and system based on fuzzy nearness
AU2023210611A1 (en) Method and apparatus for operating state analysis and early warning of auxiliary device of hydroelectric station, and decision support system for hydroelectric production
CN104297680B (en) A kind of switch detection method and system
CN106596110B (en) The automatic analyzing and diagnosing method of turbine-generator units waterpower imbalance fault based on online data

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180504