WO2007013467A1 - 機器管理方法、その機器管理方法に用いる分析システム、及び、分析用データ構造、その機器管理方法に用いる保守点検支援装置 - Google Patents
機器管理方法、その機器管理方法に用いる分析システム、及び、分析用データ構造、その機器管理方法に用いる保守点検支援装置 Download PDFInfo
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- WO2007013467A1 WO2007013467A1 PCT/JP2006/314691 JP2006314691W WO2007013467A1 WO 2007013467 A1 WO2007013467 A1 WO 2007013467A1 JP 2006314691 W JP2006314691 W JP 2006314691W WO 2007013467 A1 WO2007013467 A1 WO 2007013467A1
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- diagnosis
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
- F16T1/38—Component parts; Accessories
- F16T1/48—Monitoring arrangements for inspecting, e.g. flow of steam and steam condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
- F01K13/006—Auxiliaries or details not otherwise provided for
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/20—Administration of product repair or maintenance
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
- G07C3/08—Registering or indicating the production of the machine either with or without registering working or idle time
Definitions
- the present invention relates to a technique for managing a large number of devices represented by steam traps and valves installed in a factory.
- each partial diagnosis if any of the diagnostic target traps is defective, replace or repair the defective trap, and manage the diagnostic results of each managed trap. If there is a comprehensive trap management ledger (in other words, a management database) to be recorded for the total number of target traps, each of the traps to be diagnosed for each partial diagnosis is included in each partial diagnosis. The results of the previous diagnosis were additionally recorded in the trap management ledger.
- a comprehensive trap management ledger in other words, a management database
- Patent Document 1 Japanese Patent Laid-Open No. 2002-140745
- the management target traps to be diagnosed in the periodic partial diagnosis are sequentially replaced. Even if the diagnostic results for each of the diagnostic target traps are additionally recorded in the trap management ledger, the diagnostic results for each managed trap recorded in the trap management ledger include the timing, frequency, interval, etc. of the diagnosis. In this aspect, there are some cases where the diagnostic conditions are different from each other. For this reason, based on the diagnostic results of each managed trap recorded in this trap management ledger, the use status of each managed trap and the cause of failure, etc. However, analysis of managed traps does not result in an analysis under the same comparative conditions, and this improves the usage status of each managed trap. And failure cause prayers minute, such as there was a problem to be inaccurate.
- the exhaustive diagnosis for diagnosing the total number of managed traps is periodically performed, and each managed trap is determined for each exhaustive diagnosis. Since the diagnostic results are additionally recorded in the trap management ledger, based on the diagnostic results of each managed trap recorded in this trap management ledger, the use status of each managed trap is analyzed and the cause of failure is analyzed. If this is the case, the managed traps will be analyzed under the same comparison conditions (that is, the conditions of diagnosis, the number of times, the interval, etc. are the same). The analysis method itself for accurately and efficiently analyzing the quality of use status and the cause of failure of each trap to be managed is still well established. There was.
- the main object of the present invention is to provide a device management method, an analysis system, and an analysis data structure that are effective in solving the above problems.
- the first characteristic configuration of the device management method according to the present invention is that a total number diagnosis for diagnosing whether each device is normal or defective is regularly performed on the total number of devices to be managed, and the total number of each time Record the diagnosis result for each diagnosis, and if there is a defective device, replace or repair the defective device, and generate a defect for each of the managed devices based on the diagnosis results of the 100% diagnosis.
- the point is to create analytical data showing the frequency.
- regular exhaustive diagnosis here is not limited to strictly exhaustive diagnosis every predetermined period, but for example, it is almost regular, such as exhaustive diagnosis every half year or exhaustive diagnosis every year. The same applies to the following.
- the term "frequency of occurrence of failure of a managed device" as used herein is strictly speaking not the frequency of failure of a single managed device itself (that is, the frequency of occurrence of failure of one device itself) This means the frequency of failure of the installed equipment at the installation site of one managed device. Therefore, a failure occurs twice for the managed device installed in one installed portion, and management is performed for each failure.
- the force that the number of occurrences of defects is 1 for each replaced device itself.
- the number of occurrences of failures of the managed device installed in the installation section is 2
- the frequency of occurrence of defects is calculated as times. And to this The same applies to the following.
- the second characteristic configuration of the device management method according to the present invention is to periodically perform exhaustive diagnosis for diagnosing whether each device is normal or defective with respect to the total number of devices to be managed.
- Each managed device is classified into a plurality of classification types according to a predetermined classification standard, and the diagnosis result is recorded for each exhaustive diagnosis at each time.
- the defective device is replaced or repaired.
- Data or analysis data indicating the frequency of occurrence of failure of each managed device in the classification type is created.
- either one of the analytical data may be obtained under the same comparison conditions for all the devices to be managed under the same comparison conditions, that is, the diagnosis time, frequency, interval, etc. I'll do it.
- the third characteristic configuration of the device management method according to the present invention is to periodically perform exhaustive diagnosis for diagnosing whether each device is normal or defective with respect to the total number of devices to be managed.
- Each managed device is classified into a plurality of classification types for each classification criterion according to a plurality of predetermined classification criteria, and the diagnosis result is recorded for each exhaustive diagnosis of each time, and when there is a defective device, Replace or repair a defective device, and based on the results of all the multiple diagnoses and the classification type for each classification standard to which each managed device belongs, the frequency of occurrence of failure for each managed device and the above
- the analysis data showing the correlation with the plurality of classification types for each classification criterion or the analysis data indicating the frequency of occurrence of defects in each managed device in the classification type for each classification criterion is created. [0017] With this configuration, any one of the analytical data can be obtained under the same comparison conditions for the total number of managed devices, that is, under the same conditions such as the diagnosis time, frequency, and interval. .
- a fourth characteristic configuration of the device management method according to the present invention is to perform a re-diagnosis for diagnosing whether the replaced or repaired device is normal or defective for each exhaustive diagnosis each time.
- the replacement or repair of the equipment is completed, and when the defect is confirmed by the re-diagnosis, the replacement or repair of the equipment is repeated until the normality is confirmed by the re-diagnosis.
- the replacement or repair of the device is repeated until normality is confirmed by rediagnosis. Therefore, in every 100% diagnosis, a defective device is left in a defective state due to a replacement error or repair error. By avoiding leaving it unattended, it is possible to ensure that the defective device is in a normal state.
- the fairness of the analytical data created based on the diagnosis results of all the multiple diagnoses that is, the fairness of the analytical data obtained by determining the frequency of occurrence of defects for each managed device under the same comparison conditions. This can further increase the accuracy of the analysis of the use status of each managed device and the cause of the failure using the analysis data.
- the first characteristic configuration of the analysis system according to the present invention is an input means for inputting a diagnosis result of exhaustive diagnosis for diagnosing whether each device is normal or defective with respect to the total number of devices to be managed.
- Storage means for accumulating and storing the diagnostic results for each exhaustive diagnosis inputted by the input means, and each of the management target devices based on the diagnostic results of the exhaustive diagnostics stored multiple times stored in the storage means.
- Analytical data showing the frequency of defects And an arithmetic means that is created according to the setting program.
- the storage means in contrast to inputting the diagnosis result for each exhaustive diagnosis by the input means, the storage means accumulates and stores the inputted diagnostic results for each exhaustive diagnosis. . Therefore, the storage means stores the diagnosis results of all of the multiple diagnoses.
- the calculation means creates analysis data indicating the frequency of occurrence of defects for each of the devices to be managed based on the setting program based on the diagnosis results of the total number of times diagnosis stored in the storage means.
- analytical data indicating the frequency of occurrence of defects in each managed device calculated under the same comparison conditions for all the managed devices, i.e., the diagnosis time, frequency, and interval, etc. Can be obtained.
- analysis data can be automatically created by a calculation means, thereby simplifying the entire analysis work including the creation of the analysis data, and thus the entire equipment management work. And it can also be efficient.
- the second characteristic configuration of the analysis system includes a diagnosis result of exhaustive diagnosis for diagnosing whether each device is normal or defective with respect to the total number of devices to be managed, and each of the managed devices.
- the storage means Based on the storage means for storing, the diagnosis results of the exhaustive diagnosis stored multiple times by the storage means, and the categorization classification of each managed device, the failure occurrence frequency for each managed device and the plurality of the classifications Computation means for creating analysis data indicating the correlation with the species or analysis data indicating the occurrence frequency of defects of each managed device in the classification type according to the setting program There to a certain point.
- the storage means in contrast to inputting the diagnosis result for each exhaustive diagnosis by the input means, the storage means accumulates and stores the input diagnostic results for each exhaustive diagnosis. . Therefore, the storage means stores the diagnosis results of the exhaustive diagnosis over a plurality of times, and stores the belonging classification type of each managed device input by the input means.
- the computing means sets any one of the above-mentioned analysis data based on the diagnosis result of the total number of times diagnosis stored in the storage means and the classification type to which each managed device belongs. Create according to the program. Therefore, in this data creation, the above-mentioned data for analysis can be obtained under the same comparison conditions with respect to the total number of devices to be managed, that is, conditions with the same diagnosis time, frequency, interval, and the like.
- the analysis data is used to analyze the quality of use of each managed device and the cause of failure in relation to a plurality of classification types, the second characteristic described above is obtained.
- accurate and efficient analysis can be performed, and this makes the analysis system extremely useful for device management.
- the third characteristic configuration of the analysis system according to the present invention is the result of exhaustive diagnosis for diagnosing whether each device is normal or defective with respect to the total number of devices to be managed, and each of the devices to be managed.
- Analytical data indicating the correlation between the occurrence frequency of defects for each target device and the plurality of classification types for each classification criterion, or failure of each management target device for each classification type for each classification criterion Lies in is provided with a computing means to create the analysis data that indicates the occurrence frequency according to the setting program.
- the storage means in contrast to inputting the diagnosis result for each exhaustive diagnosis by the input means, the storage means accumulates and stores the input diagnostic results for each exhaustive diagnosis of each time. . Therefore, the storage means stores the diagnosis results of the exhaustive diagnosis over a plurality of times and considers the belonging classification type for each classification criterion of each managed device input by the input means.
- the calculation means is for any one of the above-mentioned analysis based on the diagnosis result of the total number of times diagnosis stored in the storage means and the classification type for each classification criterion to which each of the devices to be managed belongs. Create data according to the setting program. Therefore, in this data creation, the above analytical data can be obtained under the same comparison conditions for all the devices to be managed, that is, under the same conditions such as diagnosis time, frequency, and interval.
- analysis data can be automatically created by a calculation means, thereby simplifying the entire analysis work including the creation of the analysis data, and thus the entire equipment management work. And it can also be efficient.
- the first characteristic configuration of the data structure for analysis according to the present invention is that a total number diagnosis for diagnosing whether each device is normal or defective is performed periodically with respect to the total number of devices to be managed, and each time
- the data structure of the analysis data created in the device management in the form of replacing or repairing the defective device when the diagnosis result is recorded for each of all the diagnosis of It is configured to display the frequency of occurrence of defects for each of the management target devices obtained based on the diagnosis results of the exhaustive diagnosis over a plurality of times;
- the failure occurrence frequency of each managed device obtained based on the diagnosis result of the complete diagnosis obtained by periodic exhaustive diagnosis that is, the total number of managed devices is the same.
- the failure frequency of each managed device determined under the comparison conditions (conditions of diagnosis, number of times, intervals, etc.) is displayed as analysis data. [0038] Therefore, if the quality of use of each managed device and the cause of failure are analyzed based on the frequency of occurrence of defects for each managed device displayed, the first feature described above is obtained. As with the device management method with this, accurate and efficient analysis can be performed, and in this respect, the analysis data is extremely useful for device management.
- the second characteristic configuration of the data structure for analysis according to the present invention is that all the diagnostics for diagnosing whether each device is normal or defective for all the devices to be managed are periodically performed.
- Each managed device is classified into a plurality of classification types according to a predetermined classification standard, and the diagnosis result is recorded for each exhaustive diagnosis at each time, and if there is a defective device, the defective device is replaced.
- the configuration is such that the correlation between the failure occurrence frequency for each of the plurality of classification types or the failure occurrence frequency of each management target device in the classification type is displayed.
- the frequency and frequency of failure of each managed device determined under the same comparison conditions are the same for all managed devices.
- the frequency of failure of each managed device in the classification type obtained under the same comparison conditions for the total number of managed devices or the total number of managed devices can be displayed by analysis data.
- the third characteristic configuration of the data structure for analysis according to the present invention is that a total number diagnosis for diagnosing whether each device is normal or defective is performed periodically with respect to the total number of devices to be managed.
- Each device to be managed is classified into a plurality of classification types for each classification criterion according to a plurality of predetermined classification criteria, and the diagnosis result is recorded for each exhaustive diagnosis of each time.
- the data structure of the analysis data created in the device management in the form of replacing or repairing the defective device the diagnosis result of the all-time diagnosis performed multiple times and the managed device Correlation between the frequency of failure for each of the managed devices determined based on the classification type for each classification criterion to which each belongs, and a plurality of the classification types for each classification criterion, or the above for each classification criterion Management target devices by classification type
- the configuration is such that the frequency of occurrence of each defect is displayed.
- the failure occurrence frequency and classification of each managed device obtained under the same comparison conditions are the same for all managed devices. Analyze the correlation between multiple classification types for each standard, or the frequency of failure occurrence of each managed device for each classification standard obtained under the same comparison conditions for the total number of managed devices. Can be displayed.
- the analysis data used in the implementation according to each of the above characteristic configurations may be any data that can display the contents, such as written data printed on paper or electronic data displayed on a display using a computer. Data in such a form may be used.
- the display form of various correlations shown based on the analysis data in the implementation of each feature configuration is not limited to the display form showing the correlation using graphs, tables, and formulas, but also figures, symbols, A display form that visually indicates the correlation using color or the like may be used.
- the display format of the failure occurrence frequency in each analysis data is not limited to the numerical display of the frequency, but is a numerical display of the number of failure occurrences on the premise that the sampling period is the same for all the managed devices. It may be a display form that visually shows the frequency and frequency by using graphs, tables, figures, symbols, colors, etc.
- Another one of the subjects of the present invention is a maintenance / inspection support apparatus for performing maintenance / inspection of equipment for plant equipment based on a plurality of maintenance / inspection guideline forces selected.
- the maintenance / inspection support apparatus according to the present invention refers to the device arrangement data managed by the device arrangement data management unit and the device arrangement data management unit for managing the arrangement data of the device obtained from the input device arrangement data.
- a device attribute value acquisition unit that acquires a device attribute value of the device of interest identified by an identification symbol that is also read by the ID tag force attached to the device of interest as the maintenance target device specified, and for the device of interest Device evaluation data by acquiring device diagnosis data acquisition unit for acquiring device diagnosis data, device attribute values acquired by the device attribute value acquisition unit and device diagnosis data acquired by the device diagnosis data acquisition unit for each device
- a device evaluation data generation unit for generating a device, and adding a history code for enabling history management of the device evaluation data, thereby decomposing the device evaluation data.
- a database management unit that registers device registration data and extracts device evaluation data that conforms to search conditions. Access the database through the database management unit and classify the device evaluation data while referring to the classification criteria table.
- the display part which displays the analysis result by a process part is provided.
- the important point of this maintenance / inspection support device is that the analysis results obtained by the equipment analysis processing unit are used for the maintenance / inspection work management of the plant equipment, and are obtained from the database through these analysis results and the database management unit. Based on device evaluation data! In other words, the device analysis processing unit can calculate graphs and evaluation maps indicating the frequency of failure of each device and display them on the display unit to easily grasp the state of the device.
- any one of the following three data can be taken.
- the first is analytical data indicating the frequency of failure occurrence (number of failure occurrences, Z unit period) obtained based on the results of multiple 100% periodic exhaustive diagnosis for each managed device.
- the second analysis is based on the diagnosis result of a plurality of periodic exhaustive diagnoses for each managed device, and shows the frequency of failure of the managed device for each classification type to which the managed device belongs. Data.
- classification types such as managed devices used for general piping and managed devices used for main pipes, and the frequency of failure occurrence of managed devices is measured for each classification type. Obtain data for analysis. If the analysis data obtained in this way has a high frequency of failure of equipment related to a specific classification type despite the same installation conditions, the equipment of that classification type will meet the installation conditions. Can be estimated as non-conforming. Therefore, it is possible to accurately and efficiently analyze the quality of use of each managed device and the cause of failure.
- the third is an analysis for indicating the frequency of occurrence of failure of the managed device in the classification criteria to which the managed device belongs based on the diagnosis result of a plurality of periodic exhaustive diagnoses for each managed device. It is data.
- classification criteria refer to the usage of piping to which managed equipment is installed and the type of managed equipment. These classification criteria further include classification species. For example, the classification types such as those used for general pipes and those used for main pipes are included in one classification standard called “use”. In addition, classification types such as float type 'packet type' and disk type are included in one classification standard called type. Under such settings, by obtaining the failure frequency of the managed device for each classification criterion, for example, if the frequency of failure of the managed device belonging to a plurality of specific classification criteria is high, the device It can be estimated that the installation conditions are incompatible. Therefore, it is possible to accurately and efficiently analyze the quality of use of each managed device and the cause of failure.
- FIGS 1 and 2 show a number of steam traps T installed in steam-using equipment such as chemical plants.
- the management unit 1 used for management of This management unit 1 also has the power of a diagnostic device 2, a portable personal computer 3 (hereinafter abbreviated as a portable personal computer), and an ID tag reader 4.
- the diagnostic device 2 includes keys 5 as an operation unit, a small display 6 as a display unit, a built-in CPU 7 (central processing unit) as a calculation unit, and a built-in memory 8 as a storage unit.
- Memory 8 stores a diagnostic program Pa. This diagnostic device 2 is operated by the execution of the diagnostic program Pa by the CPU7.
- the diagnostic device 2 includes a probe 9.
- the vibration and temperature detection signals from the sensor 10 are input to the diagnostic device 2 through the connection code 11 (or wireless communication means such as infrared communication means).
- the ID tag reader 4 is mounted on the tip of the arm 12 mounted on the probe 9 so as to be switchable between a protruding posture indicated by a one-dot chain line and a retracted posture indicated by a solid line.
- a protruding posture indicated by a one-dot chain line When the ID tag reader 4 is brought close to each of the traps to be diagnosed T with the arm 12 in the protruding position, the area number or trap number of the corresponding trap T recorded in the ID tag 13
- the trap identification information la is read by the ID tag reader 4 and input to the diagnostic device 2.
- the portable personal computer 3 includes a keyboard 14a as an operation unit, a touch pen 14b, a mouse (not shown), a display 15 as a display unit, a built-in CPU 16 as a calculation unit, and a built-in hard disk 17 as a storage unit.
- the hard disk 17 stores a management program Pb. This portable personal computer 3 operates by executing the management program Pb by the CPU 16.
- the portable personal computer 3 can bidirectionally communicate with the diagnostic device 2 via the connection cord 18 (or wireless communication means such as infrared communication means).
- the trap identification information la read by the ID tag reader 4 is input to the portable personal computer 3 along with the input to the diagnostic device 2.
- the memory 8 of the diagnostic device 2 stores trap attribute information lb such as the type, application, and steam pressure used for each of the diagnostic target traps T. Diagnostic device 2 is read by ID tag reader 4 The trap attribute information lb of the diagnosis target trap T specified by the trap identification information la is read from the memory 8. The read trap attribute information lb and the detected vibration and temperature detected by the sensor 10 are evaluated by using the criterion information Da.
- the criterion information Da includes, for example, a table for obtaining the trap type, temperature, vibration force, steam leakage amount, and the like. Judgment standard information Da is stored in memory 8. As a result of this evaluation, the amount of steam leakage is obtained, so that whether the trap T to be diagnosed is normal or defective is also judged. In addition, the type of failure is judged as large, medium, small, blown, or clogged.
- the diagnostic device 2 determines whether each of the traps T to be diagnosed is normal or defective, along with the trap reference information Id for multiple items such as the diagnosis date and time and remarks input by operating the keys 5 etc. Are stored in the memory 8 as trap diagnosis results Ic (trap diagnosis information). At this time, the trap diagnosis result Ic is associated with the trap identification information la and the trap attribute information lb. This information is also transmitted to the portable PC 3.
- the diagnostic device 2 is connected to the diagnostic target trap T specified by the trap identification information la read by the ID tag reader 4 (or the diagnostic target trap T specified by operating the keys 5 or the like). ! / The above four information la 'lb' Ic 'Id is displayed on the small display 6 in the scroll display form.
- the hard disk 17 of the portable personal computer 3 includes trap attribute information lb for each diagnosis target trap T (in other words, a trap to be managed) lb, trap diagnosis result Ic in each diagnosis by the diagnostic device 2.
- a management database Db is stored in which trap reference information Id and the like are recorded in association with trap identification information la.
- the portable computer 3 that receives the trap diagnosis result Ic from the diagnostic device 2 operates the database update function, and the trap diagnosis result Ic and the trap reference information Id are the management database Db for the identified trap T to be diagnosed. Recorded cumulatively.
- the portable personal computer 3 uses the trap as its database creation function. A registration process in which a management trap T (ie, an unregistered trap) corresponding to the identification information la is newly added to the management database Db Do it. Then, the trap diagnosis result Ic and the trap reference information Id transmitted from the diagnostic device 2 for the management target trap T are recorded in the management database Db.
- a management trap T ie, an unregistered trap
- the portable personal computer 3 is a database that displays the above four pieces of information Ia to Id for each of the managed traps T registered in the management database Db on the display 15 in a table format as shown in FIG. A display function is provided.
- the diagnostic target trap T specified by the trap identification information la read by the ID tag reader 4 or the diagnostic target trap T specified by the operation of the keyboard 14a or touch pen 14b is included. Scroll the table on display 15 so that it is visible.
- the recorded contents of the management database Db are written or rewritten accordingly.
- the portable personal computer 3 (in other words, the management program Pb) has a map function and an analysis data creation function in addition to the database update / creation function and the database display function described above.
- a map function instead of displaying the database in the table format as shown in FIG. 4, a schematic facility diagram image G indicating a facility where a number of traps T to be managed as shown in FIG. Displayed on display 15 based on equipment map information Dc stored in drive disk 17.
- an indicator E (icon) indicating each of the diagnostic target traps T is stored in the hard disk 17 and the equipment map image is arranged according to the actual trap position based on the trap arrangement information Dd of each of the diagnostic target traps T. Overlay on G and display on display 15.
- the portable personal computer 3 corresponds to the indicator E when one of the indicators E displayed on the equipment diagram image G on the display 15 is selected by the operation of the touch pen 14b and the execution is instructed.
- Each information Ia to Id about the managed trap T to be read is read from the management database Db and displayed in a separate frame in the equipment diagram image G on the display 15.
- the portable personal computer 3 uses an indicator E based on the trap attribute information lb of each managed trap T recorded in the management database Db as shown in FIG.
- the usage of the corresponding trap T is displayed according to the difference in shape.
- the mouth is for general use, ⁇ for tracing, and ⁇ for main pipe. It is recorded cumulatively in the management database Db.
- the number of failures N of the corresponding trap T during the most recent setting period (for example, 3 years) due to the difference in the border color and pattern of the indicator E is displayed.
- the thin solid line has 0 borders
- the thin dashed line has 1 border
- the thick solid border has multiple borders.
- the number N of failures occurring here is the installation part of one managed trap T that is not the number of failures occurring in one managed trap T itself. This means the number of defects of installation traps in
- the portable personal computer 3 also has a data display function in the form of a table as shown in FIG. 4 for the analysis data creation function, and each information Ia to Id of the managed trap ⁇ ! Is displayed.
- This indication is displayed when the classification type of the item (that is, the general type, trace type, main management type, etc. for the item of use) is specified as a search condition by operating the keyboard 14a, touch pen 14b, etc.
- the recorded information Ia to Id in the management database Db for only the managed trap T that matches the classification type is displayed on the display 15 in tabular form. For example, if “Float Expression” is specified for the type item in the trap attribute information lb as the search condition, the record information Ia to Id in the management database Db is displayed only for the float type trap in the managed trap T. 15 Is displayed.
- the portable personal computer 3 also has the following analysis data creation function.
- the graph display is instructed with the two items of the information Ia to Id of the managed trap T specified by the operation of the keyboard 14a or touch pen 14b, the recorded information Ia in the management database Db Based on ⁇ Id, the number of traps belonging to each classification type of one item and belonging to each classification type of the other item (that is, the number of traps of the classification type for two items) is displayed on the display 15. This display is done in a specified graph format such as a 3D bar graph or pie graph.
- the graph as shown in Fig. 6 will be displayed on the display 15 Is displayed.
- the graph as shown in Fig. 7 will be displayed. To 15 Is displayed.
- equipment diagram information Dc and trap placement information Dd to be stored in the hard disk 17 of the portable personal computer 3 are created, and the created equipment The figure information Dc and the trap placement information Dd are stored in the hard disk 17 of the portable personal computer 3.
- the diagnostician confirms the trap attribute information lb and the trap reference information Id for each managed trap T, and detects the trap attribute information. Write the lb and trap reference information Id to the management database Db of the portable PC 3 by operating the keyboard 14a and touch pen 14b. This creates a new management database Db for the total number of traps T to be managed.
- the ID tag 13 is attached, the trap identification information la is read, and the trap attribute information lb and the trap reference information Id are written.
- each trap T of each trap T to be managed from the management database Db of the portable personal computer 3
- Attribute information lb and trap reference information Id are written to memory 8 of diagnostic device 2.
- the diagnostic device 2 diagnoses each trap T to be managed, and stores the diagnostic result Ic in the memory 8 of the diagnostic device 2 and writes it to the management database Db of the portable personal computer 3.
- the current status of the entire managed trap T based on the trap diagnosis result Ic for the total number of managed traps T recorded in the management database Db of the portable personal computer 3 ( For example, the defect rate, the total amount of steam leakage, and the loss due to steam leakage are reported to the management client.
- the total number of traps T to be managed for example, traps with lower vapor leakage in normal conditions, traps that are more suitable for installation, usage conditions, etc.
- the initial update is the difference between the total update to be replaced in (1) and the partial update in which only defective traps in the managed trap T are repaired or replaced with recommended traps.
- the diagnostic device 2 rediagnoses whether the replaced or repaired device is normal or defective. When normality is confirmed by re-diagnosis, the replacement or repair of the trap T to be managed is completed. On the other hand, if a defect is confirmed by re-diagnosis, the replacement or repair of the managed trap T is repeated until normality is confirmed by re-diagnosis.
- the diagnosis by the diagnostic device 2 ie, the trap identification by the ID tag reader 4 for each trap T
- the information la is read, and the diagnosis performed by applying the probe 9 to the trap T) is performed on the total number of the traps T to be managed, for example, periodically every year or every six months.
- the diagnostic device 2 rediagnoses whether the replaced or repaired device is normal or defective. Re-diagnosis is normal When confirmed, the managed trap T will not be replaced or repaired.
- trap or repair of the managed trap ⁇ is repeated until normality is confirmed by re-diagnosis.
- the trap or trap to be replaced or repaired confirmed to be normal by re-diagnosis, as a record of replacement or repair, as a record of replacement or repair, the trap or the fact of replacement or repair, and the trap after replacement or repair Attribute information lb, trap diagnosis result Ic, trap reference information Id is additionally recorded in the management database Db of the portable personal computer 3.
- the diagnosis unit 2 the portable personal computer 3, and the ID tag reader 4 are connected to the diagnostic unit 1, as in the diagnosis before the initial update accompanied by the creation of the management database Db.
- the diagnostic form for diagnosing each of the traps T to be managed another diagnostic form may be adopted. That is, the diagnostician carries only the diagnostic device 2 having the ID tag reader 4 and diagnoses each of the traps T to be managed, and after that diagnosis, each of the diagnostic target traps T recorded in the memory 8 of the diagnostic device 2
- a diagnostic form may be used in which the trap diagnosis results Ic and trap reference information Id are collectively written in the management database Db of the portable personal computer 3.
- the analysis data creation function includes, for example, display of the usage by the shape of the indicator E, display of the number of occurrences of failure N by the type of border of the indicator E, and recording of only the traps T to be managed for the specified classification type Information Ia to Id display and graph display functions. Report the analysis results to the client and take appropriate measures based on the analysis results.
- the portable personal computer 3 described above is a device for plant equipment such as a trap T in the plant equipment (the power that is taken up by the trap T here as such equipment is represented by the equipment t in the following sentence.
- the maintenance and inspection of the plant equipment is effectively assisted by using signals from the ID tag reader 4 and the diagnostic device 2.
- an all-update course that repeats all-diagnosis, which diagnoses the total number of managed devices after performing a total update to replace all devices subject to maintenance and inspection with recommended devices.
- a partial renewal course that periodically repeats a complete diagnosis to diagnose the total number of managed devices after performing a partial update to repair or replace only defective devices among the devices subject to maintenance and inspection. It assists workers effectively when performing maintenance inspections of plant equipment in accordance with the maintenance inspection guidelines. For this reason, the portable personal computer 3 has functions as shown in FIG. 8 constructed by programs and nodeware.
- this portable personal computer 3 conveys information to the worker easily and graphically through the display unit 15, and inputs commands by simple operation of the operation units 14a and 14b through the graphic screen.
- the graphic user interface has been fully adopted.
- the GUI unit 30 realizes such a graphic user interface, operates in close cooperation with the OS installed in the portable personal computer 3, and is produced by the portable personal computer 3 described below. It is linked with the functional section related to equipment maintenance inspection work assist.
- the device arrangement data management unit 31 is a digitalized device arrangement map data force that shows how the devices to be subjected to maintenance and inspection work are arranged.
- the map data on the plant site and the device position are linked.
- the device layout data is read and managed by external force.
- an assist screen as shown in Fig. 5 is displayed on the display unit 15 based on the device arrangement data managed by the device arrangement data management unit 31, and then the maintenance inspection is performed. Let the worker specify the device of interest that should be the device.
- the target device specified by the worker is confirmed by the target device specification unit 32.
- the identification symbol (trap identification information la) read from the ID tag 13 through the ID tag reader 4 attached to the target device is the device attribute value (trap) stored in the memory 8 of the diagnostic device 2 in the above embodiment. Since the attribute information lb) can be used as a key code, the portable personal computer 3 can acquire the device attribute value of the device specified by this identification symbol. In order to acquire the device attribute value of the device specified through the ID tab 13 in this way, a device attribute value acquisition unit 33 is prepared.
- the diagnosis signal (trap diagnosis result Ic) sent from the diagnosis device 2 is the device diagnosis data when the diagnosis device 2 diagnoses the device identified by the ID tab 13, that is, the device of interest.
- the acquisition unit 34 processes it as device diagnosis data indicating the normality or failure of each device.
- the device attribute value acquired by the device attribute value acquisition unit 33 and the device diagnosis data acquired by the device diagnosis data acquisition unit 34 are sent to the device evaluation data generation unit 35, where the corresponding device is selected.
- the device evaluation data is combined with a specific identification symbol in a linked form.
- the device evaluation data for each device of interest generated in this way is stored in the database Db.
- Each time periodic maintenance inspections are performed, device evaluation data for each device is stored in the database Db, and the device evaluation data is handled as history information for each device. Therefore, a history code (date and time) is loaded and registered in the database Db so that the device evaluation data can be managed, and the database management unit extracts device evaluation data that matches the search conditions including the history conditions. Is prepared.
- the classification processing unit 37 has a function of classifying the device evaluation data while accessing the database Db through the database management unit 36 and referring to the classification standard table 38.
- the device analysis processing unit 39 that analyzes the operating state of each device based on the history of the device evaluation data, as described above, performs an algorithm for statistical analysis such as the frequency of occurrence of defects, and the analysis results such as graphs and maps. It has a graphics algorithm that converts it into a shape. Since the frequency of occurrence of defects is greatly affected by the location and conditions used, the equipment evaluation data that is the source of analysis is the data extracted directly from the database Db and the classification processed by the classification processor 37. Are used depending on the purpose of the analysis.
- Part 40 calculates the economic effect of inspection and maintenance work by calculating the failure rate of each device, the total amount of steam leakage, and the amount of loss due to steam leakage.
- the total number of devices to be managed is updated after the total number of devices subject to maintenance inspection is replaced with the recommended devices.
- Total number update course that periodically repeats all diagnosis to be diagnosed and maintenance
- a partial update course has been proposed in which only a defective device of the devices to be inspected is repaired or replaced with a recommended device, and then a complete diagnosis that periodically diagnoses the total number of devices to be managed is repeated. Which of these two courses is appropriate depends on the plant equipment. Therefore, the question of which course should be selected according to the plant equipment to be inspected can be solved by evaluating past performance.
- assist information for selecting one of the two courses described above as a maintenance inspection guide based on the economic effect evaluated by the performance evaluation unit 40 e.g., economic effect by course at various plant sites.
- An assist information generating unit 41 having an algorithm for generating the is prepared.
- the algorithm for generating the assist information can be easily constructed by using a decision theory such as an expert system.
- the assist information generation unit 41 also has an algorithm for selecting a recommended device to be used at a specific location from the analysis result, and can advise a recommended device to the worker when replacing the device at the specific location.
- each of the managed devices is classified into a plurality of classification types (for example, for general use, for tracing and for main management) according to a predetermined classification standard (for example, usage). Based on the results of 100% diagnosis of multiple classifications and the classification type to which each managed device belongs, the frequency of failure occurrence for each managed device, and the failure of each managed device for each classification type A device management method for creating data for analysis showing the occurrence frequency and the correlation between the occurrence frequency of defects and a plurality of the above-mentioned classification types is shown.
- each of the devices to be managed is classified into a plurality of classification types (for example, for general use's 'Trace / Main use', etc.) according to a plurality of predetermined classification criteria (for example, application and type).
- the classification type for each classification criterion to which each of the managed devices and the diagnostic results of multiple diagnosis and the managed device Based on the above, analysis data indicating the correlation between the frequency of occurrence of defects for each managed device and the plurality of classification types for each classification criterion, or the failure of each managed device for each classification type for each classification criterion
- a device management method that creates analysis data indicating the frequency of occurrence may be adopted.
- the classification type 1 shows an analysis system including a calculation means for generating, according to a setting program, the occurrence frequency of each of the management target devices and the analysis data indicating the correlation between the failure occurrence frequency and the plurality of classification types.
- the storage means stores and stores the results, and the storage means for storing the belonging classification type for each classification criterion of each managed device input by the input means; Analytical data indicating the correlation between the frequency of occurrence of defects for each managed device and the multiple classification types for each classification criterion based on the classification category belonging to each classification criterion for each managed device, or for each classification criterion Even if an analysis system is used that includes calculation means for creating analysis data indicating the frequency of failure of each managed device in the classification type according to the setting program There.
- the present invention is applied to the maintenance and management of maintenance and inspection work for a large number of devices represented by steam traps and valves installed in factories.
- FIG. 1 is a perspective view of a management unit.
- FIG. 3 Perspective view showing diagnostic form
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Priority Applications (7)
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AU2006273345A AU2006273345B2 (en) | 2005-07-25 | 2006-07-25 | Device management method, analysis system used for the device management method, analysis data structure, and maintenance inspection support apparatus used for the device management method |
EP20060781603 EP1914688A4 (en) | 2005-07-25 | 2006-07-25 | DEVICE MANAGEMENT METHOD, ANALYSIS SYSTEM USED BY THE DEVICE MANAGEMENT METHOD, ANALYSIS DATA STRUCTURE, AND MAINTENANCE INSPECTION SUPPORT DEVICE USED BY THE DEVICE MANAGEMENT METHOD |
US11/996,542 US8494811B2 (en) | 2005-07-25 | 2006-07-25 | Device management method, analysis system used for the device management method, analysis data structure, and maintenance inspection support apparatus used for the device management method |
JP2007528483A JP5010473B2 (ja) | 2005-07-25 | 2006-07-25 | 機器管理用分析システム、及び、保守点検支援装置 |
KR1020087002242A KR101348324B1 (ko) | 2005-07-25 | 2006-07-25 | 분석 시스템 및 보수 점검 지원 장치 |
CA2616455A CA2616455C (en) | 2005-07-25 | 2006-07-25 | Device management method, analysis system used for the device management method, analysis data structure, and maintenance inspection support apparatus used for the device management method |
CN2006800272175A CN101238491B (zh) | 2005-07-25 | 2006-07-25 | 机器管理方法、该机器管理方法所采用的分析系统、以及分析用数据结构、其机器管理方法所采用的维修检查支援装置 |
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