Work assisting system, work assisting device, work assisting method and recording medium

Abstract

The present invention provides a work assisting system, a work assisting device, a work assisting method and a recording medium. The work assisting system comprises: a storage unit that stores work data representing work performed for the maintenance of multiple devices for each device; a setting unit that sets at least one of a plurality of predefined attributes for the work data stored in the storage unit; an extraction unit that extracts the work data set with the specified attribute by analyzing the attribute set to the work data; and a providing unit that provides the work data extracted by the extraction unit.

Description

Technical Field

[0001] The present invention relates to a work assisting system, a work assisting device, a work assisting method and a recording medium.

[0002] This application claims priority based on Japanese Patent Application No. 2020-059781 filed in Japan on March 30, 2020, and the contents are incorporated herein by reference. Background Art

[0003] Generally, in factories, manufacturing plants, etc. (hereinafter, when collectively referred to as "factories"), maintenance is performed regularly or irregularly from the viewpoint of preventing abnormal operations, maintaining performance, etc. For example, in a factory that has built a distributed control system (DCS), maintenance (equipment maintenance) of field equipment (measurers, operators) called field equipment is performed regularly or irregularly.

[0004] The operations performed in equipment maintenance are roughly divided into field operations and management operations. Field operations are operations that operators go to the site where field equipment is installed and use the terminal device for field operations (tools for field operations) to perform. Examples of such field operations include operations such as confirmation of the status of field equipment and various settings for field equipment. In contrast, management operations are operations that operators take out operation data stored in the terminal device for field operations and use the terminal device for management operations (tools for management operations). Examples of such management operations include operations such as confirmation of the field operations performed and creation of reports. In addition, there are also cases where field operations and management operations are performed by the same operator.

[0005] Japanese Patent Application Publication No. 2011-203775 discloses a conventional device for maintaining field equipment. In this device, only the parameters that the administrator has set to be displayable are displayed among the parameters of the field equipment. This eliminates the need for field workers to find parameters to be changed from all parameters, thus reducing their workload.

[0006] Conventional field operation tools used in the above-mentioned field operations output all the operation data obtained in the past in units of field devices. Therefore, when the operation data of a plurality of field devices are required in the above-mentioned management operation, all the operation data obtained in the past for the plurality of field devices need to be imported into the management operation tool. Furthermore, the operator of the management operation needs to find the required operation data from the huge amount of operation data imported into the management operation tool, so there is a problem that errors are easily generated and the operation efficiency is reduced. Summary of the invention

[0007] One embodiment of the present invention provides a work support system, a work support device, a work support method, and a recording medium that can prevent the occurrence of errors in work performed during equipment maintenance and improve work efficiency.

[0008] In order to solve the above-mentioned problems, the operation assistance system (1) according to the first mode of the present invention may also include: a storage unit (13, 23) for storing operation data (WD1, WD2) representing operations performed for maintaining multiple devices (FD) for each of the above-mentioned devices; a setting unit (14b-1, 24a-1) for setting at least one attribute of a plurality of predetermined attributes for the above-mentioned operation data stored in the above-mentioned storage unit; an extraction unit (14b-2, 24a-2) for extracting the above-mentioned operation data to which the specified attributes are set by analyzing the attributes set for the above-mentioned operation data; and a providing unit (12, 22) for providing the above-mentioned operation data extracted by the above-mentioned extraction unit.

[0009] Furthermore, in the work support system according to the first aspect of the present invention, the work data may be data in which work information indicating the content of the work performed for maintaining the equipment is associated with identification information for identifying the equipment.

[0010] Furthermore, in the work support system according to the first aspect of the present invention, the attribute may be set for the identification information.

[0011] Alternatively, in the work support system according to the first aspect of the present invention, the attribute may be settable individually for at least one of the identification information and the work information.

[0012] In the work support system according to the first aspect of the present invention, the plurality of predetermined attributes may include a first attribute indicating a management unit of a device and a second attribute defining a process for the work data.

[0013] Furthermore, in the work support system according to the first aspect of the present invention, when the attribute set to the work data is the first attribute, the extraction unit may extract the work data to which the first attribute matching the input management unit is set.

[0014] Furthermore, in the work support system according to the first aspect of the present invention, when the attribute set to the work data is the second attribute, the extraction unit may extract the work data to which the second attribute indicating that the work data can be processed is set.

[0015] In addition, in the operation assistance system according to the first mode of the present invention, the above-mentioned storage unit, the above-mentioned setting unit and the above-mentioned extraction unit can also be arranged in a first terminal device (10) used in on-site operations of equipment maintenance, and the above-mentioned providing unit can be arranged in a second terminal device (20, 20A) used in management operations of equipment maintenance.

[0016] Alternatively, in the operation assistance system according to the first mode of the present invention, the storage unit and the setting unit may be arranged in a first terminal device (10A) used in on-site operations of equipment maintenance, and the extraction unit and the providing unit may be arranged in a second terminal device (20, 20B) used in management operations of equipment maintenance.

[0017] In addition, in the operation assistance system according to the first mode of the present invention, the above-mentioned operation assistance system can also have a storage device (30), the above-mentioned storage device stores the above-mentioned operation data output from the above-mentioned first terminal device and set with the above-mentioned attributes, and the above-mentioned second terminal device reads the above-mentioned operation data stored in the above-mentioned storage device.

[0018] According to the second mode of the present invention, the operation assisting device (10B) may also include: a storage unit (13) for storing operation data (WD1) representing operations performed for maintaining multiple devices (FD) for each of the above-mentioned devices; a setting unit (14b-1) for setting at least one attribute of a plurality of predetermined attributes for the above-mentioned operation data stored in the above-mentioned storage unit; an extraction unit (14b-2) for extracting the above-mentioned operation data to which the specified attributes are set by analyzing the attributes set for the above-mentioned operation data; and a providing unit (12) for providing the above-mentioned operation data extracted by the above-mentioned extraction unit.

[0019] According to the third-party operation assistance method of the present invention, the operation data (WD1) representing the operation performed for maintaining multiple devices can be stored for each of the above-mentioned devices (S12), and at least one of the predetermined multiple attributes can be set for the stored operation data (S13). By analyzing the attributes set for the above-mentioned operation data, the above-mentioned operation data with the specified attributes set can be extracted (S14), and the extracted above-mentioned operation data can be provided.

[0020] According to the fourth mode of the present invention, the recording medium can also be a computer-readable recording medium that records a work assistance program, and the above-mentioned work assistance program enables the computer to: store the work data (WD1) representing the work performed for maintaining multiple devices for each of the above-mentioned devices (S12); set at least one attribute of a plurality of predetermined attributes for the stored work data (S13); extract the above-mentioned work data with the specified attributes set by analyzing the attributes set to the above-mentioned work data (S14); and provide the extracted above-mentioned work data (S24).

[0021] Effects of the Invention

[0022] According to one aspect of the present invention, there is an effect that it is possible to prevent errors from occurring during work performed during equipment maintenance and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 1 is a block diagram showing the overall configuration of a work support system according to a first embodiment of the present invention.

[0024] Figure 2 This is a block diagram showing a main part configuration of a field work terminal device in the first embodiment of the present invention.

[0025] Figure 3 It is a diagram showing the data structure of job data in the first embodiment of the present invention.

[0026] Figure 4 This is a diagram showing an example of an attribute table in the first embodiment of the present invention.

[0027] Figure 5 This is a block diagram showing a main part configuration of a management work terminal device in the first embodiment of the present invention.

[0028] Fig. 6A This is a flowchart showing the work assisting method in the first embodiment of the present invention.

[0029] Figure 6B This is a flowchart showing the work assisting method in the first embodiment of the present invention.

[0030] Figure 7 It is a block diagram showing the main configuration of a field work terminal device and a management work terminal device included in a work support system according to a second embodiment of the present invention.

[0031] Figure 8 It is a block diagram showing the main configuration of a field work terminal device and a management work terminal device included in a work support system according to a third embodiment of the present invention.

[0032] Fig. 9 1 is a block diagram showing a main part configuration of a field work terminal device according to a fourth embodiment of the present invention.

[0033] Fig.10 It is a block diagram showing the main configuration of a field work terminal device and a management work terminal device included in a work support system according to a fifth embodiment of the present invention.

[0034] Fig.11 It is a block diagram showing the main configuration of a field work terminal device and a management work terminal device included in a work support system according to a sixth embodiment of the present invention. DETAILED DESCRIPTION

[0035] Hereinafter, with reference to the accompanying drawings, a work assisting system, a work assisting device, a work assisting method and a recording medium according to an embodiment of the present invention will be described in detail. Hereinafter, an overview of an embodiment of the present invention will be described first, and then an embodiment of the present invention will be described in detail.

[0036] [summary]

[0037] The embodiment of the present invention can prevent the occurrence of errors and improve the work efficiency in the management work of equipment maintenance. Here, the previous field work tools used in the field work of equipment maintenance have become specifications for outputting all the work data obtained in the past in units of equipment. Therefore, in the case where the work data of multiple devices are required in the management work of equipment maintenance, all the work data obtained in the past need to be imported into the management work tool for these multiple devices. In addition, the operator of the management work needs to find the required work data from the huge work data imported into the management work tool.

[0038] In addition, as described above, for a plurality of devices, all the operation data obtained in the past need to be imported into the management operation tool. Therefore, the processing load of the management operation tool for importing the operation data becomes large. In addition, the storage place (e.g., memory) of the management operation tool for importing the operation data is insufficient in capacity.

[0039] In addition, factories are often managed by units such as areas or units where multiple devices are installed. However, the same identification information (label name) may be used between these areas or units to identify the devices. For example, in order to improve production capacity, in two areas where the same device is installed in parallel, the corresponding devices in each area may use the same identification information. In such a case, it is difficult to specify a certain device from the devices that are using the same identification information.

[0040] Thus, in the past, in order to output the specification of operation data from the field operation tool to the management operation tool in units of equipment, a large amount of unnecessary operation data was imported into the management operation tool for the specified management purpose. Therefore, in the management operation, it is necessary to find the required operation data from the huge operation data, which is easy to cause errors and poor operation efficiency. In addition, the processing load for importing the operation data into the management operation tool becomes large, resulting in insufficient capacity of the storage place for the imported operation data. In addition, when different devices use the same identification information, it is possible to import operation data that is difficult to distinguish between different devices into the management operation tool, which sometimes causes errors.

[0041] In an embodiment of the present invention, first, operation data representing operations performed for maintaining the equipment is stored for each device, and at least one of a plurality of predetermined attributes is set for the stored operation data. Next, the operation data with specified (specific) attributes set is extracted by parsing the attributes set in the operation data, and the extracted operation data is provided. Thus, since only the operation data with specified attributes set (for example, operation data required for a specified management purpose) is extracted and displayed, it is possible to prevent errors from occurring in the management operations of equipment maintenance and improve operation efficiency. In addition, it is possible to reduce the load of processing for importing operation data into a management operation tool, and it is possible to suppress insufficient capacity of a storage location for the imported operation data.

[0042] [First embodiment]

[0043] <Work support system>

[0044] Figure 1 1 is a block diagram showing the overall structure of a work support system according to a first embodiment of the present invention. Figure 1 As shown, the work support system 1 of this embodiment includes: a field work terminal device 10 (first terminal device), a management work terminal device 20 (second terminal device) and a work data storage device 30 (storage device). Such a work support system 1 supports work (especially management work) performed in the maintenance of field equipment FD (equipment).

[0045] The field operation terminal device 10, the management operation terminal device 20, and the operation data storage device 30 are connected to each other so as to be communicable via the network N. For example, the field operation terminal device 10 is connected to the network N wirelessly, and the management operation terminal device 20 and the operation data storage device 30 are connected to the network N by wire. In addition, the connection method of the field operation terminal device 10, the management operation terminal device 20, and the operation data storage device 30 is arbitrary.

[0046] The field device FD is, for example, a sensor device such as a flow meter or a temperature sensor, a valve device such as a flow control valve or an on-off valve, an actuator device such as a fan or a motor, or a device installed on the site of another factory. A plurality of such field devices FD are installed in the factory, and each field device FD is centrally managed (controlled) by a controller (not shown). In addition, when the field device FD is connected to the field operation terminal device 10 via a cable C or is connected by short-distance wireless communication, it can communicate with the field operation terminal device 10.

[0047] As factories where field devices FD are installed, in addition to chemical and other industrial factories, there are factories that manage and control well sources such as gas fields and oil fields or their surroundings, factories that manage and control power generation such as hydraulic power, thermal power, and atomic power, factories that manage and control environmental power generation such as solar power and wind power, and factories that manage and control water supply and drainage, dams, etc. In addition, the above-mentioned factories are just examples, and it should be noted that the present invention is not limited to the above-mentioned factories. For example, it can also be applied to the case of acquiring and managing operation data on equipment installed for the maintenance of buildings, bridges, tunnels, etc.

[0048] The field operation terminal device 10 is a portable terminal device used by a field worker FW who performs field operations at a site of a factory where a field device FD is installed. The field operation terminal device 10 can be connected to the field device FD via a cable C. The field operation terminal device 10 communicates with the field device FD via the cable C to acquire parameters set in the field device FD, set parameters of the field device FD, calibrate the field device FD, etc. The field operation terminal device 10 will be described in detail later.

[0049] The management operation terminal device 20 is, for example, a terminal device installed in the office of the management worker MW who performs management operations and used by the management worker MW. The management operation terminal device 20 is different from the field operation terminal device 10 and is not necessarily portable. The management operation terminal device 20 is used to obtain the operation data obtained by the field operation terminal device 10, confirm the field operation being performed, create a report, etc. In addition, the details of the management operation terminal device 20 will be described later.

[0050] The operation data storage device 30 is a device for storing the operation data exchanged between the field operation terminal device 10 and the management operation terminal device 20. Figure 1Although not shown in the figure, the field work in the factory is mostly performed by a plurality of field workers FW using the field work terminal device 10. The work data storage device 30 stores the work data outputted individually from the plurality of field work terminal devices 10. The work data storage device 30 can be implemented by cloud computing. In addition, when the field work terminal device 10 and the management work terminal device 20 directly exchange work data, the work data storage device 30 can be omitted.

[0051] <Terminal device for field work>

[0052] Figure 2 1 is a block diagram showing the main structure of the field operation terminal device in the first embodiment of the present invention. Figure 2 As shown, the field operation terminal device 10 includes an operation unit 11, a display unit 12 (providing unit), a storage unit 13, a processing unit 14, a communication unit 15, a communication unit 16, and an input / output unit 17. Such a field operation terminal device 10 is realized by, for example, a notebook or tablet computer.

[0053] The operation unit 11 includes input devices such as a keyboard and a pointing device, and outputs instructions corresponding to the operations of the field operator using the field operation terminal device 10 (instructions to the field operation terminal device 10) to the processing unit 14. The display unit 12 includes a display device such as a liquid crystal display device, and the display unit 12 displays various information output from the processing unit 14. In addition, the operation unit 11 and the display unit 12 may be physically separated, or may be a physically integrated display device such as a touch panel type liquid crystal display device having both a display function and an operation function.

[0054] The storage unit 13 includes auxiliary storage devices such as HDD (hard disk drive) and SSD (solid state drive), and stores various information. The storage unit 13 stores, for example, operation data WD1 and attribute table TB. The operation data WD1 is data indicating the operation performed for maintaining the field device FD. The attribute table TB is a table storing predetermined attributes that can be set to the operation data.

[0055] Figure 3 1 is a diagram showing the data structure of the operation data in the first embodiment of the present invention. Figure 3 As shown in the figure, the operation data WD1 is data that associates the basic device information (device information), history information, and operation information with the device name (identification information) of the field device FD. Alternatively, the operation data WD1 may be data that associates only the operation information with the device name of the field device FD. The operation data WD1 includes a plurality of items having the same or similar identifier for each device name of the field device FD. Figure 3 The data of the structure shown.

[0056] The device name of the field device FD is information given to the field device FD for identifying the field device FD. The device name of the field device FD is, for example, a device tag preset in the field device FD. In addition, in the field operation terminal 10, the operation data WD1 is basically managed based on the device name of the field device FD.

[0057] The basic device information is information that identifies the field device FD. The basic device information includes, for example, the device name (tag name), type (model name), manufacturing company, and unique number assigned during manufacturing of the field device FD. The history information is information that indicates the history of operations performed to maintain the field device FD. The history information includes, for example, information that arranges in time series the summary (rough outline) of operations performed to maintain the field device FD and information that indicates the operation contents of the field operation terminal device 10.

[0058] The operation information is information indicating the content of the operation performed to maintain the field device FD. In the operation information, as the content of the operation performed to maintain the field device FD, for example, Figure 3 As shown, it may include "parameters", "calibration", "cycle test", "status confirmation", "setting", "adjustment", "check", etc.

[0059] When multiple types of operations are performed on the field device FD, the operation information includes information indicating the contents of the multiple types of operations. For example, when "calibration" and "cycle test" are performed on a certain field device FD, the "operation" associated with the field device FD includes information indicating the contents of the "calibration" operation and information indicating the contents of the "cycle test" operation.

[0060] In addition, when a specified operation is performed multiple times on a certain field device FD, the operation information associated with the field device FD includes information indicating the operation content for each date and time when the specified operation is performed. Figure 3 As shown, when the "calibration" operation is performed on a certain field device FD on August 3, 2016, August 10, 2017, and August 7, 2018, the operation information associated with the field device FD includes information indicating the content of the "calibration" operation for each date and time. In addition, the information indicating the content of the operation can include the result of the operation.

[0061] Figure 4 FIG. 1 is a diagram showing an example of an attribute table in the first embodiment of the present invention. Figure 4As shown, the attributes stored in the attribute table TB include a management unit attribute (first attribute) indicating a management unit of the field device FD and a processing attribute (second attribute) defining processing of the work data WD1.

[0062] As the management unit attributes indicating the management unit of the field device FD, there are "installation location", "device type", "device number", "device name", "manufacturer", "model", etc. The attribute "installation location" indicates the installation location of the field device FD (in other words, what kind of location the field device FD belongs to), and can indicate not only the physical location of the factory but also the logical hierarchy of the factory. The attribute "installation location" is defined as "ZZ unit in YY area in XX factory" by a predetermined designated character string, for example.

[0063] The attribute "device type" indicates the type of the field device FD (in other words, what quantity the field device FD measures). As the attribute "device type", for example, a pressure gauge, a flow meter, a thermometer, a level gauge, etc. are specified. The attribute "device number" indicates a number for identifying the field device FD. As the attribute "device number", for example, a number inherent to the field device FD, a temporary serial number, or other numbers are specified.

[0064] The attribute "device name" indicates the name set for the field device FD. As the attribute "device name", for example, a tag name that refers to the type, function, management number, etc. of the field device FD is specified. For example, when the type of the field device FD is a pressure gauge (pressure measurement), the type of the field device FD is transmission, and the management number of the field device FD is "001", a tag name of "PT-001" is specified.

[0065] The attribute "maker" indicates the maker (manufacturer) of the field device FD. As the attribute "maker", for example, a unique name such as "○○ Co., Ltd." or "△△ Co., Ltd." is specified. The attribute "type" indicates the type of the field device FD. In the attribute "type", not only the form and installation components of the field device FD can be specified, but also the type of components of the field device FD can be specified. For example, a character string "EJA110J-DMS1G-81" obtained by adding a character string "-DMS1G-81" indicating the type of components of the field device FD (the material of the liquid contact part) to the character string "EJA110J" indicating the form of the field device FD can be specified as the attribute "type".

[0066] As processing attributes for defining the processing of the job data WD1, there are "access rights", "visibility", "input and output", "report output", "output destination", "record", "delegation", etc. The attribute "access rights" indicates whether the job data with the attribute set can be referenced or edited. The attribute "visibility" indicates whether the existence of the job data with the attribute set can be confirmed. The attribute "input and output" indicates that the job data with the attribute set can be output to the outside or the job data with the attribute set can be input from the outside.

[0067] "Report output" indicates whether the operation data with this attribute set can be included in the operation report. In addition, as the operation data included in the operation report, the client of the operation, the date of submission of the operation report, the unit name, the type of equipment, the equipment name, the manufacturer, the installation location, the test date, the equipment number, the type, the temperature, the tester, the operator, the operation company, etc. are listed. "Output destination" indicates, for example, the output location of the operation data with the attribute "input and output" set. As the output destination, a specified address, a USB (Universal Serial Bus) device, and other devices can be determined.

[0068] "Record" indicates whether to record the operation data for which this attribute is set. "Delegation" indicates whether to delegate inspection, approval, etc. of the operation data for which this attribute is set. When delegating inspection, approval, etc. of operation data to an arbitrary person (for example, the management worker MW), the attribute "Delegation" is set to the data in the operation data that needs inspection, approval, etc.

[0069] Such a property is set, for example, Figure 3 The device name of the field device FD shown. Alternatively, Figure 3 At least one of the device name, device basic information, history information, and operation information of the field device FD shown is set separately. For example, since the attribute "installation location" mentioned above is information inherent to the field device FD, it is set as Figure 3 In addition, the above-mentioned "access rights" or "input and output" may also need to be controlled for each data included in the work data WD1, so it is possible to set at least one of the device name, basic device information, history information, and work information of the field device FD separately.

[0070] In addition, the attributes of the upper data set as the operation data are effective for the lower data. Figure 3In the example shown, "calibration" included in the work information is the upper data, and "2016 / 08 / 03", "2017 / 08 / 10", and "2018 / 08 / 07" indicating the implementation date thereof are the lower data. Therefore, as the "access right" to "calibration" included in the work information, when "reference is allowed" is set, "2016 / 08 / 03", "2017 / 08 / 10", and "2018 / 08 / 07" indicating the implementation date thereof can also be referenced.

[0071] In addition, when the same type of attribute is set for the upper and lower data of the operation data but the content is different, the content of the attribute set in the lower data is effective. Figure 3 In the example shown, when "reference is allowed" is set as the "access right" to the upper data, that is, the operation information, and "reference is not allowed" is set as the "access right" to the lower data, that is, the "adjustment", the "adjustment" is not allowed to be referenced. In addition, it is also possible to select whether to make the attribute set in the upper data of the operation data effective for the lower data.

[0072] In addition, all attributes can be set for each terminal, each user, each location, and each period. The terminal is the field operation terminal device 10 or the management operation terminal device 20, and all attributes can be set for each unique number assigned to the terminal. The user is the field worker FW using the field operation terminal device 10 or the management worker MW using the management operation terminal device 20, and all attributes can be set for each login account.

[0073] The place is a place where the field operation terminal device 10 or the management operation terminal device 20 is used, and all attributes can be set for each factory, each office, each fixed point, etc. The period is the period during which the field operation terminal device 10 or the management operation terminal device 20 can be used. For example, all attributes can be set within a limited period from November 8, 2020 to November 15, 2020.

[0074] The processing unit 14 controls the operation of the field operation terminal device 10 based on the operation instruction input from the operation unit 11. The processing unit 14 includes an execution unit 14a and an attribute management unit 14b, and executes various operations on the field device FD, stores the obtained operation data as operation data WD1 in the storage unit 13, and sets the attributes for the operation data WD1. In addition, the setting of the attributes can be performed when the operation data is stored in the storage unit 13, or after the operation data is stored in the storage unit 13.

[0075] The execution unit 14a controls the communication unit 15 to acquire parameters set in the field device FD, set parameters of the field device FD, calibrate the field device FD, etc. For example, the execution unit 14a acquires designated information (basic information, measured values, set values, etc.) from the field device FD. In addition, the execution unit 14a executes and controls calibration of the field device FD (for example, pressure calibration, temperature calibration, etc.), and stores the result in the storage unit 13 as work data WD1.

[0076] The attribute management unit 14b includes an attribute editing unit 14b-1 (setting unit) and an attribute analyzing unit 14b-2 (extraction unit), and manages the attributes set to the work data WD1 using the attribute table TB stored in the storage unit 13. The attribute editing unit 14b-1 sets an arbitrary attribute to the work data WD1, or cancels the attribute set in the work data WD1.

[0077] The attribute editing unit 14b-1 may set the attribute when storing the operation data in the storage unit 13, or may set the attribute after storing the operation data in the storage unit 13. In addition, the attribute editing unit 14b-1 may set or cancel the attribute based on the instruction from the operation unit 11, or may set or cancel the attribute based on a predetermined pointer.

[0078] The attribute analysis unit 14b-2 analyzes the attributes set in the job data WD1 to extract the job data to which the specified attributes are set. For example, the attribute analysis unit 14b-2 analyzes the attributes set in the job data WD1 based on the instruction from the operation unit 11 to extract the job data to which the specified attributes are set as instructed by the operation unit 11.

[0079] Specifically, when the attribute set to the operation data WD1 is a management unit attribute indicating the management unit of the aforementioned field device FD, the attribute analyzing unit 14b-2 extracts operation data in which a management unit attribute consistent with the management unit input from the operating unit 11 is set. Also, when the attribute set to the operation data WD1 is a processing attribute that specifies the processing of the aforementioned operation data WD1, the attribute analyzing unit 14b-2 extracts operation data in which an operation attribute indicating that the operation is possible (operable) is set.

[0080] The communication unit 15 communicates with the field device FD connected via the cable C under the control of the processing unit 14. The communication unit 16 communicates via the network N under the control of the processing unit 14. Figure 4 When the address of the job data storage device 30 is set in the attribute “output destination” shown, the communication unit 16 communicates with the job data storage device 30 via the network N under the control of the processing unit 14 .

[0081] The input / output unit 17 inputs and outputs various information under the control of the processing unit 14. For example, the input / output unit 17 can read or write various information from a removable recording medium (for example, a non-volatile memory such as a USB memory) to input and output various information. Figure 4 When the recording medium attached to the input / output unit 17 is set in the attribute “output destination” shown, the input / output unit 17 performs input / output with the attached recording medium.

[0082] The functions of the field operation terminal device 10 (for example, the functions of the execution unit 14a or the attribute management unit 14b implemented by the processing unit 14) are implemented in the form of software, for example, by installing a program that implements those functions (for example, including a program not shown stored in the storage unit 13). In other words, the functions of the field operation terminal device 10 are implemented by the cooperation of software and hardware resources. Such functions of the field operation terminal device 10 are implemented by, for example, a hardware processor (computer) such as a CPU (Central Processing Unit) executing a program (software).

[0083] The program for realizing the functions of the field operation terminal device 10 can be distributed in a state recorded in a computer-readable recording medium such as a CD-ROM or DVD (registered trademark)-ROM, for example, or distributed via a network such as the Internet. In addition, the functions of the field operation terminal device 10 can also be realized using hardware such as FPGA (Field-Programmable Gate Array), LSI (Large Scale Integration), and ASIC (Application Specific Integrated Circuit).

[0084] <Terminal device for management work>

[0085] Figure 5 1 is a block diagram showing the main structure of the management operation terminal device in the first embodiment of the present invention. Figure 5 As shown, the management terminal device 20 includes an operation unit 21, a display unit 22 (providing unit), a storage unit 23, a processing unit 24, a communication unit 25, and an input / output unit 26. Such a management terminal device 20 is realized by, for example, a notebook or desktop computer.

[0086] The operation unit 21, the display unit 22 and the storage unit 23 are Figure 2The operation unit 11, display unit 12 and storage unit 13 of the field operation terminal device 10 shown in the figure are the same. However, the operation data WD2 stored in the storage unit 23 is Figure 2 The work data WD2 is a part of the work data WD1 stored in the storage unit 13 of the field work terminal device 10. In other words, the work data WD2 is a part of the work data WD1 extracted.

[0087] The processing unit 24 controls and manages the operation of the work terminal device 20 based on the operation instruction input from the operation unit 21. The processing unit 24 includes an attribute management unit 24a and an information utilization unit 24b, and sets attributes for the work data WD2 and performs various processes for utilizing the work data WD2. Here, as various processes for utilizing the work data WD2, for example, a confirmation process of the performed on-site work, a report (report) creation process, etc. are listed.

[0088] The attribute management unit 24a and Figure 2 The attribute management unit 14b of the field work terminal device 10 shown in the figure is provided with an attribute editing unit 24a-1 (setting unit) and an attribute analyzing unit 24a-2 (extraction unit). The attribute editing unit 24a-1 sets an arbitrary attribute to the work data WD2, or cancels the attribute set to the work data WD2. For example, the attribute editing unit 24a-1 sets or cancels the attribute based on the instruction from the operation unit 21.

[0089] The attribute analysis unit 24a-2 analyzes the attributes set in the job data WD2 to extract the job data in which the specified attributes are set. For example, the attribute analysis unit 24a-2 analyzes the attributes set in the job data WD2 based on the instruction from the operation unit 21 to extract the job data in which the specified attributes are set as instructed by the operation unit 21.

[0090] The information utilization unit 24b includes a report creation unit 24b-1. The report creation unit 24b-1 creates a report using the work data WD2 stored in the storage unit 23 based on the instruction from the operation unit 21. The report creation unit 24b-1 creates a report using, for example, data with the attribute "report output" set in the work data WD2 stored in the storage unit 23. In addition, the information utilization unit 24b also performs confirmation processing of the performed on-site work based on the instruction from the operation unit 21.

[0091] The communication unit 25 performs communication via the network N under the control of the processing unit 24. For example, the communication unit 25 communicates with the operation data storage device 30 via the network N to obtain the operation data stored in the operation data storage device 30 (the operation data output from the field operation terminal device 10). The input / output unit 26 performs input / output of various information under the control of the processing unit 24. For example, the input / output unit 26 may read or write various information from a removable recording medium (for example, a non-volatile memory such as a USB memory) to input / output various information.

[0092] The functions of the management operation terminal device 20 (for example, the functions of the attribute management unit 24a or the information utilization unit 24b implemented by the processing unit 24) are implemented in the form of software, for example, by installing a program that implements those functions (for example, including a program not shown stored in the storage unit 23). In other words, the functions of the management operation terminal device 20 are implemented by the cooperation of software and hardware resources. Such functions of the management operation terminal device 20 are implemented by, for example, a hardware processor (computer) such as a CPU executing a program (software).

[0093] The program for realizing the functions of the management operation terminal device 20 can be distributed by recording in a computer-readable recording medium such as a CD-ROM or DVD (registered trademark)-ROM, for example, or distributed via a network such as the Internet. In addition, the functions of the management operation terminal device 20 can also be realized by using hardware such as FPGA (Field-Programmable Gate Array), LSI (Large Scale Integration), ASIC (Application Specific Integrated Circuit), etc.

[0094] <Work support method>

[0095] Fig. 6A as well as Figure 6B : is a flowchart showing a work assisting method in a first embodiment of the present invention. Fig. 6A is a flowchart showing an example of the operation of the field operation terminal device 10. Figure 6B The flowchart shows an example of the operation of the management work terminal device 20. The maintenance work is started when the field worker FW issues a start instruction to the operation unit 11 of the field work terminal device 10. Fig. 6A Flowchart shown.

[0096] If you start Fig. 6AIn the process of the flowchart shown in FIG. 1 , the maintenance work of the field device FD is first performed using the field operation terminal device 10 (step S11). Specifically, in a state where the field operation terminal device 10 is connected to the field device FD via the cable C, the execution unit 14a of the field operation terminal device 10 controls the communication unit 15 to check the parameters set to the field device FD, set the parameters of the field device FD, perform a predetermined test, a predetermined adjustment, etc.

[0097] Next, the processing unit 14 performs processing to store the work data indicating the work content of the maintenance work performed in step S11 as work data WD1 in the storage unit 13 (step S12). Figure 3 As shown, the work data WD1 is data in which device basic information, history information, and work information are associated with the device name of the field device FD. Therefore, the processing unit 14 stores the work data indicating the work content of the maintenance work performed in step S11 in association with the device name of the field device FD.

[0098] In addition, the attribute editing unit 14b-1 performs a process of setting attributes for the work data WD1 stored in the storage unit 13 (step S13). In addition, for easy understanding, an example of setting attributes for the work data WD1 stored in the storage unit 13 is given for description, but the attributes may be set when the work data is stored in the storage unit 13. The attribute editing unit 14b-1 sets the attributes based on, for example, an instruction from the operation unit 11. Alternatively, it may be based on a predetermined pointer.

[0099] For example, based on an instruction from the operation unit 11, Figure 3 The device name of the field device FD shown is set with the attribute "installation location". As a specific example of the attribute "installation location", for example, "ZZ unit in YY area in XX factory" is listed. This attribute can be inputted by the field worker FW using the field work terminal device 10 by operating the operation unit 11 one by one, or by selecting from the candidates of "installation location" prepared in advance.

[0100] When the above processing is completed, a process of extracting the work data to which the specified attribute is set is performed (step S14). This process is performed, for example, by the field worker FW inputting the specified attribute to the operation unit 11 of the field work terminal device 10 and issuing an extraction start instruction. When the specified attribute is input from the operation unit 11 and the extraction start instruction is issued, the attribute analysis unit 14b-2 performs a process of extracting the work data to which the specified attribute is set by analyzing the attribute set to the work data WD1.

[0101] For example, suppose that after the field worker FW inputs the above-mentioned "ZZ unit in YY area in XX factory", an extraction start instruction is issued. Then, the attribute analysis unit 14b-2 extracts the work data set with "ZZ unit in YY area in XX factory" as the attribute "installation location" from the work data WD1 stored in the storage unit 13.

[0102] Then, the processing unit 14 performs a process of outputting the extracted operation data (step S15). For example, when the address of the operation data storage device 30 is set as the output destination of the extracted operation data, the processing unit 14 controls the communication unit 16 to perform a process of sending the extracted operation data to the operation data storage device 30 via the network N. The operation data sent via the network N is stored in the operation data storage device 30. Through the above process, Fig. 6A A series of processing in the flowchart shown is completed.

[0103] The management worker MW starts the process by instructing the operation unit 21 of the management operation terminal 20 to read the operation data. Figure 6B If you start Figure 6B In the process of the flowchart shown in FIG. 1 , the processing unit 24 of the management operation terminal device 20 first reads the operation data output from the field operation terminal device 10 (step S21). For example, the processing unit 24 controls the communication unit 25 to read the operation data stored in the operation data storage device 30.

[0104] Here, it is also possible to read only necessary work data from the work data stored in the work data storage device 30. For example, when the management worker MW instructs the operation unit 21 of the management work terminal device 20 to read work data, the management worker MW inputs a designated attribute. Then, the attribute analysis unit 24a-2 analyzes the attributes set in the work data stored in the work data storage device 30, extracts the work data in which the designated attribute is set, and reads only the work data.

[0105] Next, the processing unit 24 performs a process of storing the operation data read in step S21 as operation data WD2 in the storage unit 23 (step S22). In addition, when the attribute analysis unit 24a-2 has performed a process of extracting operation data to which a specified attribute is set from the operation data stored in the operation data storage device 30, the processing unit 24 performs a process of storing the extracted operation data as operation data WD2 in the storage unit 23.

[0106] When the above processing is completed, a process of extracting the work data to which the specified attribute is set is performed (step S23). This process is performed, for example, by the management worker MW inputting the specified attribute to the operation unit 21 of the management work terminal device 20 and issuing an extraction start instruction. When the specified attribute is input from the operation unit 21 to issue an extraction start instruction, the attribute analysis unit 24a-2 analyzes the attribute set to the work data WD2 to extract the work data to which the specified attribute is set.

[0107] The extracted operation data is outputted to the display unit 22 by the processing unit 24. Thus, the operation data extracted in step S23 is displayed on the display unit 22 (step S24). For example, in the above-mentioned step S23, if the management operator MW inputs the attribute "report output" to the operation unit 21 of the management operation terminal device 20 and then issues an extraction start instruction, the operation data required for report creation will be displayed on the display unit 22. Thus, when the management operator MW creates a report using the function of the report creation unit 24b-1, he can correctly select the information to be recorded in the report creation. Through the above processing, Figure 6B A series of processing in the flowchart shown is completed.

[0108] As described above, in the present embodiment, the operation data representing the maintenance operation performed on the field device FD is stored in the field operation terminal device 10, at least one of a plurality of predetermined attributes is set for the stored operation data WD1, and the operation data to which the specified attribute is set is extracted by analyzing the attribute set for the operation data WD1. Then, the extracted operation data is displayed in the management operation terminal device 20. In addition, if necessary, the management operation terminal device 20 can also extract required data from the operation data extracted by the field operation terminal device 10 based on the attribute.

[0109] Thus, in the present embodiment, attributes are set in the operation data representing the maintenance operation performed on the field device FD, and the required operation data is extracted based on the attributes. Thus, the management worker MW who performs the management operation can easily extract the required information from the operation data representing the maintenance operation performed on the field device FD, so that the occurrence of errors in the operation performed during the equipment maintenance can be prevented and the operation efficiency can be improved.

[0110] In addition, in the present embodiment, the attributes set in the operation data can be set for each terminal, each user, each location, and each period. Therefore, for example, the field worker FW can also extract the operation data of the operation performed on the field device FD for each date when the operation is performed. As a result, the management worker MW can easily confirm the confirmation of the field operation performed every day without error, without having to find the required operation data from the huge operation data.

[0111] In addition, in the present embodiment, for example, an attribute "installation location" can be set for the operation data. By specifying the installation location, the field device FD installed at the specified location can be extracted from the plurality of field devices FD installed in the factory. Thus, even if the same identification information (tag name) is used in the plurality of field devices FD, the operation data of each field device FD can be individually extracted.

[0112] In the present embodiment, the management terminal device 20B may import only the work data extracted from the work data WD1 by the attribute analysis unit 24a-2 as work data WD2. In this way, the storage capacity of the work data WD2 (the capacity of the storage unit 23) can be reduced.

[0113] [Second Embodiment]

[0114] Figure 7 1 is a block diagram showing the main structure of the on-site operation terminal device and the management operation terminal device of the operation support system according to the second embodiment of the present invention. Figure 1 In addition, Figure 7 In Figure 2 , Figure 5 The same structures as shown are marked with the same reference numerals.

[0115] like Figure 7 As shown in the figure, the work support system of this embodiment has Figure 1 The terminal device 10 for field work shown in the figure is a terminal device 20A for management work (second terminal device). The terminal device 20A for management work is Figure 5 The management operation terminal device 20 shown in the figure omits the structure of the attribute management unit 24a and the attribute table TB. In other words, the management operation terminal device 20A of this embodiment is Figure 5 The management work terminal device 20 shown is configured to omit the function of setting the attribute of the work data WD2 stored in the storage unit 23 and extracting the work data to which the specified attribute is set from the work data WD2 stored in the storage unit 23 .

[0116] In such a management work terminal device 20A, the content of the work data extracted in the field work terminal device 10 is displayed on the display unit 22. In addition, as in the first embodiment, the management worker MW can refer to the content displayed on the display unit 22 and create a report using the function of the report creation unit 24b-1. In addition, the management worker MW can also refer to the content displayed on the display unit 22 to confirm the field work performed.

[0117] As described above, in this embodiment, the operation data representing the maintenance operation performed on the field device FD is stored in the field operation terminal device 10, the attributes of the stored operation data WD1 are set, and the operation data with the specified attributes set is extracted. Then, the extracted operation data is displayed in the management operation terminal device 20A. Thus, the management worker MW who performs the management operation can prevent the occurrence of errors in the operation performed in the equipment maintenance and improve the operation efficiency.

[0118] [Third Embodiment]

[0119] Figure 8 1 is a block diagram showing the main structure of the on-site operation terminal device and the management operation terminal device of the operation support system according to the third embodiment of the present invention. Figure 1 In addition, Figure 8 In, with Figure 7 Likewise with Figure 2 , Figure 5 The same structures as shown are marked with the same reference numerals.

[0120] like Figure 8 As shown in the figure, the work support system of this embodiment includes a field work terminal device 10A (first terminal device) and a management work terminal device 20B (second terminal device). The field work terminal device 10A is a terminal device for Figure 2 The terminal device 10 for field work shown in the figure omits the structure of the attribute analysis unit 14b-2. Figure 5 The management terminal device 20 shown in the figure omits the structure of the attribute editing unit 24a-1.

[0121] In other words, the field operation terminal device 10A of this embodiment is Figure 2 The field operation terminal device 10 shown in the figure omits the structure of the function of extracting the operation data with the specified attribute set from the operation data WD1 stored in the storage unit 13. In addition, the management operation terminal device 20B of this embodiment is from Figure 5 The management work terminal device 20 shown is configured to omit the function of setting attributes for the work data WD2 stored in the storage unit 23 .

[0122] In such a field operation terminal device 10A, the attribute of the operation data WD1 is set, and the operation data WD1 with the set attribute is output in units of field devices FD. In addition, in the management operation terminal device 20B, the operation data WD1 output from the field operation terminal device 10A is imported as the operation data WD2, and the operation data with the specified attribute set is extracted from the imported operation data WD2 and displayed on the display unit 22. In addition, the management operation terminal device 20B may import only the operation data extracted from the operation data WD1 in the attribute analysis unit 24a-2 as the operation data WD2. By doing so, the capacity of the storage place of the operation data WD2 can be suppressed.

[0123] In this embodiment, as in the first and second embodiments, the management worker MW can create a report using the function of the report creation unit 24b-1 by referring to the content displayed on the display unit 22. The management worker MW can also confirm the performed on-site work by referring to the content displayed on the display unit 22.

[0124] As described above, in this embodiment, the field operation terminal device 10A stores the operation data representing the maintenance operation performed on the field device FD, and sets the attributes of the stored operation data WD1. Furthermore, the management operation terminal device 20B extracts the operation data with the specified attributes set, and displays the extracted operation data. Thus, the management worker MW who performs the management operation can prevent the occurrence of errors in the operation performed during the equipment maintenance and improve the operation efficiency.

[0125] [Fourth Embodiment]

[0126] Fig. 9 4 is a block diagram showing the main part structure of the field operation terminal device according to the fourth embodiment of the present invention. Figure 1 In addition, Fig. 9 In, with Figure 2 , Figure 5 The same structures are denoted by the same reference numerals.

[0127] like Fig. 9 As shown in FIG. 1 , the field operation terminal device 10B (operation support device) of this embodiment is Figure 1 The processing unit 14 of the field operation terminal device 10 shown in the figure is provided with the information utilization unit 24b. In other words, the field operation terminal device 10B of this embodiment can be said to be a Figure 5 The functions of the management operation terminal device 20 shown are set in Figure 2The structure of the field operation terminal device 10 is shown. In such a field operation terminal device 10B, it is possible to store the operation data obtained from the field device FD, set and cancel the attributes of the operation data, extract the operation data with the specified attributes set, display the extracted operation data, and create a report, etc., by a single device.

[0128] As described above, in this embodiment, the field operation terminal device 10B stores the operation data representing the maintenance operation performed on the field device FD, sets the attributes of the stored operation data WD1, extracts the operation data with the specified attributes set, and displays the extracted operation data. Therefore, the field operator FW can perform not only field operations but also management operations. In the management operation, since the operation data with the specified attributes set is displayed, it is possible to prevent errors in the operation performed during equipment maintenance and improve the operation efficiency.

[0129] [Fifth Embodiment]

[0130] Fig.10 1 is a block diagram showing the main structure of the on-site operation terminal device and the management operation terminal device of the operation support system according to the fifth embodiment of the present invention. Figure 1 In addition, Fig.10 In, with Figure 5 , Figure 8 The same structures as shown are marked with the same reference numerals.

[0131] like Fig.10 As shown in the figure, the work support system of this embodiment is to Figure 8 The management operation terminal device 20B provided in the operation support system of the third embodiment shown in the figure is replaced by Figure 5 In other words, the work support system of this embodiment is based on the structure of the management work terminal device 20. Figure 8 The management work terminal device 20B shown in the figure is provided with a configuration of a function (attribute editing unit 24 a - 1 ) for setting attributes for the work data WD2 stored in the storage unit 23 .

[0132] exist Figure 8 In the work support system of the third embodiment shown in FIG. 1 , the management work terminal device 20B cannot set attributes for the work data WD2 stored in the storage unit 23. In contrast, in the present embodiment, a management work terminal device 20B is provided instead of the management work terminal device 20B. Figure 5 Since the management work terminal device 20 is shown, it is possible to set attributes for the work data WD2 stored in the storage unit 23 in the management work terminal device 20.

[0133] As described in the first embodiment, the management work terminal device 20 can import only the work data extracted from the work data WD1 by the attribute analysis unit 24a-2 as the work data WD2. In this way, the capacity of the storage location of the work data WD2 can be suppressed.

[0134] As described above, in this embodiment, the field operation terminal device 10A stores the operation data representing the maintenance operation performed on the field device FD, and sets the attributes of the stored operation data WD1. Furthermore, the management operation terminal device 20 extracts the operation data with the specified attributes set, displays the extracted operation data, and can also set the attributes of the stored operation data WD2. Thus, the management worker MW who performs the management operation can prevent the occurrence of errors in the operation performed during the equipment maintenance and improve the operation efficiency.

[0135] [Sixth Embodiment]

[0136] Fig.11 1 is a block diagram showing the main structure of the on-site operation terminal device and the management operation terminal device of the operation support system according to the sixth embodiment of the present invention. Figure 1 In addition, Fig.11 In, with Figure 2 , Figure 8 The same structures are denoted by the same reference numerals.

[0137] like Fig.11 As shown in the figure, the work support system of this embodiment is to Figure 8 The on-site operation terminal device 10A provided in the operation support system of the third embodiment shown in the figure is replaced by Figure 2 In other words, the work support system of this embodiment is based on the structure of the on-site work terminal device 10 shown in FIG. Figure 8 The illustrated field work terminal device 10A is provided with a configuration of a function (attribute analyzing unit 14 b - 2 ) for analyzing the attributes set in the work data WD1 to extract work data in which the specified attributes are set.

[0138] exist Figure 8 In the work support system of the third embodiment shown, the work data WD1 with set attributes is output from the field work terminal device 10A in units of the field device FD. In contrast, in the present embodiment, since the field work terminal device 10 is provided in place of the field work terminal device 10A, the work data with set specified attributes can be extracted from the work data WD1 stored in the storage unit 13 and output.

[0139] As described in the first embodiment, the management work terminal device 20 can import only the work data extracted from the work data WD1 by the attribute analysis unit 24a-2 as the work data WD2. In this way, the capacity of the storage location of the work data WD2 can be suppressed.

[0140] As described above, in this embodiment, the field operation terminal 10 stores the operation data representing the maintenance operation performed on the field device FD, sets the attributes of the stored operation data WD1, and extracts the operation data with the specified attributes set. Furthermore, the management operation terminal 20B extracts the operation data with the specified attributes set, and displays the extracted operation data. Thus, the management worker MW who performs the management operation can prevent the occurrence of errors in the operation performed during the equipment maintenance and improve the operation efficiency.

[0141] The above describes the operation assisting system, operation assisting device, operation assisting method and recording medium according to the embodiment of the present invention, but the present invention is not limited to the above embodiment and can be freely changed within the scope of the present invention. For example, in the above embodiment, the operation data output from the on-site operation terminal device 10, 10A is stored as the operation data WD2 in the storage unit 23 of the management operation terminal device 20, 20A, 20B. However, in the management operation terminal device 20, 20A, 20B, the operation data output from the on-site operation terminal device 10, 10A may not be stored, but may be displayed on the display unit 22, or may be used in the information utilization unit 24b.

Claims

1. A work assistance system comprising: a storage unit storing operation data indicating operations performed for maintaining the plurality of devices for each of the devices; a setting unit that sets at least one of a plurality of predetermined attributes to the operation data stored in the storage unit; an extracting unit that extracts the job data to which a specified attribute is set by analyzing the attribute set to the job data; as well as a providing unit that provides the operation data extracted by the extracting unit, The operation data is data in which operation information indicating the content of an operation performed to preserve the device is associated with identification information for identifying the device. The operation information includes the operation performed for the maintenance of the equipment as upper-level data and the date and time when the operation is performed as lower-level data. The setting unit sets the first attribute to the identification information and sets the second attribute to at least one of the identification information and the operation information, among the plurality of attributes including a first attribute indicating a management unit of a device for the operation data stored in the storage unit and a second attribute specifying processing of the operation data. The extraction unit extracts the job data to which a designated attribute is set by analyzing the first attribute and the second attribute set to the job data, wherein the second attribute set to the upper-level data is effective to the lower-level data.

2. The work support system according to claim 1, wherein: When the attribute set to the operation data is the first attribute, the extraction unit extracts the operation data to which the first attribute matching the input management unit is set.

3. The work support system according to claim 1, wherein: When the attribute set to the job data is the second attribute, the extraction unit extracts the job data to which the second attribute indicating that the job data can be processed is set.

4. The work support system according to any one of claims 1 to 3, wherein: The storage unit, the setting unit, and the extraction unit are provided in a first terminal device used in field work of equipment maintenance. The providing unit is provided in a second terminal device used in management work of equipment maintenance.

5. The work support system according to any one of claims 1 to 3, wherein: The storage unit and the setting unit are provided in a first terminal device used in field work of equipment maintenance. The extracting unit and the providing unit are provided in a second terminal device used in management work of equipment maintenance.

6. The work support system according to claim 4, wherein: The work support system includes a storage device that stores the work data output from the first terminal device and to which the attribute is set. The second terminal device reads the operation data stored in the storage device.

7. The work support system according to claim 5, wherein: The work support system includes a storage device that stores the work data output from the first terminal device and to which the attribute is set. The second terminal device reads the operation data stored in the storage device.

8. A work assisting device comprising: a storage unit storing operation data indicating operations performed for maintaining the plurality of devices for each of the devices; a setting unit that sets at least one of a plurality of predetermined attributes to the operation data stored in the storage unit; an extracting unit that extracts the job data to which a specified attribute is set by analyzing the attribute set to the job data; as well as a providing unit that provides the operation data extracted by the extracting unit, The operation data is data in which operation information indicating the content of an operation performed to preserve the device is associated with identification information for identifying the device. The operation information includes the operation performed for the maintenance of the equipment as upper-level data and the date and time when the operation is performed as lower-level data. The setting unit sets the first attribute to the identification information and sets the second attribute to at least one of the identification information and the operation information, among the plurality of attributes including a first attribute indicating a management unit of a device for the operation data stored in the storage unit and a second attribute specifying processing of the operation data. The extraction unit extracts the job data to which a designated attribute is set by analyzing the first attribute and the second attribute set to the job data, wherein the second attribute set to the upper-level data is effective to the lower-level data.

9. A method for assisting a job, storing operation data representing operations performed for maintaining a plurality of devices for each of the devices, At least one of a plurality of predetermined attributes is set for the stored operation data, extracting the job data to which the specified attribute is set by analyzing the attribute set to the job data, providing the extracted operation data, The operation data is data in which operation information indicating the content of an operation performed to preserve the device is associated with identification information for identifying the device. The operation information includes the operation performed for the maintenance of the equipment as upper-level data and the date and time when the operation is performed as lower-level data. Among the plurality of attributes including a first attribute indicating a management unit of a device for the operation data stored in the storage unit and a second attribute defining processing of the operation data, the first attribute is set for the identification information, and the second attribute is set for at least one of the identification information and the operation information, The job data to which a designated attribute is set is extracted by analyzing the first attribute and the second attribute set to the job data, wherein the second attribute set to the upper data is effective to the lower data.

10. A recording medium, which is a computer-readable recording medium having a work support program recorded thereon, The job assist program enables the computer to: storing, for each of the plurality of devices, operation data indicating operations performed to maintain the plurality of devices; Setting at least one of a plurality of predetermined attributes for the stored operation data; extracting the job data to which a specified attribute is set by analyzing the attribute set to the job data; as well as providing the extracted operation data, The operation data is data in which operation information indicating the content of an operation performed to preserve the device is associated with identification information for identifying the device. The operation information includes the operation performed for the maintenance of the equipment as upper-level data and the date and time when the operation is performed as lower-level data. Among the plurality of attributes including a first attribute indicating a management unit of a device for the operation data stored in the storage unit and a second attribute defining processing of the operation data, the first attribute is set for the identification information, and the second attribute is set for at least one of the identification information and the operation information, The job data to which a designated attribute is set is extracted by analyzing the first attribute and the second attribute set to the job data, wherein the second attribute set to the upper data is effective to the lower data.

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