Authentication information display system, information terminal, and authentication information display method

Abstract

This authentication information display system comprises: an identification data acquiring unit that acquires identification data of a work machine; a device data storage unit that stores device data indicating a relationship between a device mounted on the work machine and authentication information of the device; a display data generating unit that generates display data including authentication information of the device mounted on the work machine on the basis of the identification data and the device data; and a display control unit that causes a display device to display the display data.

Description

Authentication information display system, information terminal, and authentication information display method

[0001] The present disclosure relates to an authentication information display system, an information terminal, and an authentication information display method.

[0002] As described in Patent Document 1, devices that use radio waves must be certified by a public institution to be in compliance with laws and regulations such as the Radio Law.

[0003] JP 2018-040687 A

[0004] When equipment requiring authentication is installed on a work machine, there is a demand for technology that can easily confirm that the equipment is authenticated.

[0005] The present disclosure aims to confirm that equipment installed on a work machine is authenticated.

[0006] According to the present disclosure, there is provided an authentication information display system comprising: an identification data acquisition unit that acquires identification data of a work machine; an equipment data storage unit that stores equipment data indicating the relationship between equipment mounted on the work machine and authentication information for the equipment; a display data generation unit that generates display data including authentication information for equipment mounted on the work machine based on the identification data and the equipment data; and a display control unit that displays the display data on a display device.

[0007] According to the present disclosure, it is possible to confirm that the equipment installed on a work machine is authenticated.

[0008] FIG. 1 is a diagram schematically showing an authentication information display system for a work machine according to an embodiment. FIG. 2 is a block diagram showing a work machine according to an embodiment. FIG. 3 is a diagram showing authentication information for Japan, the United States, and Europe. FIG. 4 is a block diagram showing an information terminal and a server according to an embodiment. FIG. 5 is a diagram explaining vehicle data according to an embodiment. FIG. 6 is a diagram explaining equipment data according to an embodiment. FIG. 7 is a diagram showing a nameplate according to an embodiment. FIG. 8 is a flowchart showing an authentication information display method according to an embodiment. FIG. 9 is a diagram explaining a method of using an information terminal according to an embodiment. FIG. 10 is a diagram explaining a method of using an information terminal according to an embodiment. FIG. 11 is a diagram explaining a method of using an information terminal according to an embodiment. FIG. 12 is a diagram explaining a method of using an information terminal according to an embodiment. FIG. 13 is a diagram explaining a method of using an information terminal according to an embodiment. FIG. 14 is a diagram explaining a method of using an information terminal according to an embodiment. FIG. 15 is a diagram explaining a method of using an information terminal according to an embodiment. FIG. 16 is a diagram explaining a method of using an information terminal according to an embodiment. FIG. 17 is a diagram explaining a method of using an information terminal according to an embodiment. FIG. 18 is a diagram explaining a method of using an information terminal according to an embodiment. FIG. 19 is a diagram explaining a method of using an information terminal according to an embodiment. FIG. 20 is a block diagram showing a computer system according to an embodiment.

[0009] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings, but the present disclosure is not limited to the embodiments. The components of the embodiments described below can be combined as appropriate. In addition, some components may not be used.

[0010] [Working Machine] Fig. 1 is a diagram that schematically shows an authentication information display system 1 for a working machine 2 according to an embodiment. Fig. 2 is a block diagram that shows the working machine 2 according to an embodiment.

[0011] The work machine 2 operates at a work site. In this embodiment, the work machine 2 is a hydraulic excavator. The work machine 2 has a running body with tracks, a rotating body supported on the running body, and a work implement supported on the rotating body. The work implement has a boom connected to the rotating body, an arm connected to the boom, and a bucket connected to the arm.

[0012] A user of the authentication information display system 1 carries an information terminal 3. The information terminal 3 includes a mobile terminal. An example of the information terminal 3 is a smartphone. The information terminal 3 may also be a tablet terminal. Examples of users of the authentication information display system 1 include the operator of the work machine 2, a maintenance technician for the work machine 2, an employee of the manufacturing company that manufactures the work machine 2, an employee of the sales company that sells the work machine 2, and an employee of a rental company that rents out the work machine 2.

[0013] As shown in FIG. 2 , the work machine 2 has an on-board controller 4 , a position sensor 5 connected to the on-board controller 4 , and equipment 6 connected to the on-board controller 4 .

[0014] The position sensor 5 detects the position of the work machine 2. The position sensor 5 detects the position of the work machine 2 using a global navigation satellite system (GNSS). The global navigation satellite system includes a global positioning system (GPS). The global navigation satellite system detects the absolute position of the work machine 2, which is defined by coordinate data of latitude, longitude, and altitude. The global navigation satellite system detects the position of the work machine 2, which is defined in a global coordinate system. The global coordinate system is a coordinate system fixed to the Earth. The position sensor 5 includes a GNSS receiver, and detects the absolute position (coordinates) of the work machine 2.

[0015] The equipment 6 is an electronic device. The equipment 6 uses radio waves. The equipment 6 generates radio waves. The work machine 2 has a plurality of equipment 6. At least one equipment 6 of the plurality of equipment 6 includes a wireless communication device. In the example shown in FIG. 2 , the equipment 6 includes a first wireless communication device 6A, a second wireless communication device 6B, and a radar device 6C.

[0016] The first wireless communication device 6A communicates using a first communication method (first communication protocol). The first wireless communication device 6A performs long-distance communication. The first wireless communication device 6A communicates using a mobile phone line or a communication satellite line.

[0017] The on-board controller 4 transmits operation data of the work machine 2 to the vehicle management server 100 via the first wireless communication device 6A. Examples of the operation data of the work machine 2 include the operating time of the work machine 2, the operating position of the work machine 2, and the fuel consumption amount of the work machine 2.

[0018] The second wireless communication device 6B communicates using a second communication method (second communication protocol). The second wireless communication device 6B performs short-range communication. The second wireless communication device 6B communicates using a wireless LAN (Local Area Network) or a wireless PAN (Personal Area Network).

[0019] The on-board controller 4 transmits the identification data of the work machine 2 to the information terminal 3 via the second wireless communication device 6B. The identification data of the work machine 2 is pre-stored in the on-board controller 4. The identification data of the work machine 2 includes unique data of the work machine 2. The identification data of the work machine 2 includes the type of work machine 2, the model of the work machine 2, and the production number of the work machine 2.

[0020] The on-board controller 4 transmits position data indicating the position of the work machine 2 to the information terminal 3 via the second wireless communication device 6B. The position data of the work machine 2 is detected by the position sensor 5. The on-board controller 4 transmits the detection data of the position sensor 5 as the position data of the work machine 2 to the information terminal 3 via the second wireless communication device 6B.

[0021] The on-board controller 4 may transmit operation data of the work machine 2 to the information terminal 3 via the second wireless communication device 6B.

[0022] The radar device 6C detects, in a non-contact manner, obstacles around the work machine 2. The radar device 6C detects obstacles by emitting radio waves and receiving radio waves reflected by the obstacles.

[0023] The devices 6 mounted on the work machine 2 are not limited to the example shown in Figure 2. For example, if the work machine 2 is remotely operated, wireless communication equipment for remote operation may be mounted on the work machine 2. If the work machine 2 has a keyless entry system including an ID key, wireless communication equipment for the keyless entry system may be mounted on the work machine 2. Furthermore, the number of devices 6 mounted on the work machine 2 is not limited to three, and may be one, two, or any multiple of four or more.

[0024] [Certification Information Display System] Equipment 6 that uses radio waves must be certified by a public institution to be in compliance with laws and regulations such as the Radio Act. When equipment 6 that requires certification is installed on a work machine 2, it is necessary to obtain certification known as type certification and radio certification that conforms to the laws and regulations of the destination (country) of the work machine 2. Certification conditions vary depending on the destination of the work machine 2.

[0025] If the equipment 6 is certified, it is mandatory to display certification information indicating that the equipment 6 is certified. The certification information differs depending on the destination of the work machine 2. Fig. 3 is a diagram showing certification information in Japan, the United States, and Europe. As shown in Fig. 3, the certification information includes at least one of a certification number and a certification mark. Note that in Fig. 3, the certification information in Japan is called a technical conformity mark, the certification information in the United States is called an FCC mark, and the certification information in Europe is called a CE mark.

[0026] Requirements for displaying the authentication information include displaying the authentication information on the device 6, displaying the authentication information in a user manual for the device 6, and displaying the authentication information on the packaging for the device 6. When the device 6 is authenticated, for example, a label containing the authentication information is affixed to the device 6, or the authentication information is printed on both the user manual and the packaging.

[0027] There are cases where the authentication information of the device 6 mounted on the work machine 2 needs to be checked. For example, there are cases where the authentication information of the device 6 needs to be checked at the time of customs clearance or at the request of the radio competent authority. If a label with the authentication information is affixed to the device 6, it is not easy to check the label if the device 6 has already been installed in the work machine 2.

[0028] On the other hand, depending on the destination of the work machine 2, electromagnetic display of the authentication information on a display device external to the device 6 may be permitted.

[0029] The authentication information display system 1 displays the authentication information of the device 6 on the display device 11 of the information terminal 3. By displaying the authentication information of the device 6 on the display device 11 of the information terminal 3, it is possible to easily confirm the authentication information of the device 6 and that the device 6 has been authenticated.

[0030] In the following description, a work machine 2 equipped with a device 6 that requires authentication information verification will be referred to as a target work machine 2S, as appropriate.

[0031] The identification data of the target work machine 2S is input to the authentication information display system 1 via the information terminal 3. The authentication information display system 1 displays the authentication information of the equipment 6 mounted on the target work machine 2S on the display device 11 of the information terminal 3, based on the identification data of the target work machine 2S input from the information terminal 3.

[0032] 1, the authentication information display system 1 includes an information terminal 3 and a server 7. The server 7 includes an application server 7A, a production information management server 7B, and an authentication management server 7C.

[0033] The application server 7A communicates with the information terminal 3. The application server 7A operates application software based on instructions from the information terminal 3. The application server 7A transmits processing results by the application software to the information terminal 3. The production information management server 7B pre-stores vehicle data indicating the relationship between the work machine 2 and the identification data of the work machine 2. The authentication management server 7C pre-stores equipment data indicating the relationship between the equipment 6 mounted on the work machine 2 and the authentication information of the equipment 6. In the embodiment, the equipment data indicates the relationship between the identification data of the work machine 2, the product number of the equipment 6 mounted on the work machine 2, the destination of the work machine 2, and the authentication information of the equipment 6 at the destination.

[0034] The identification data and position data of the target work machine 2S are transmitted from the on-board controller 4 to the information terminal 3 via the second wireless communication device 6B. The identification data of the target work machine 2S includes the type of the target work machine 2S, the model of the target work machine 2S, and the production number of the target work machine 2S. The information terminal 3 transmits the identification data and position data of the target work machine 2S to the application server 7A.

[0035] The application server 7A compares the identification data of the target work machine 2S transmitted from the information terminal 3 with the vehicle data stored in the production information management server 7B to identify the target work machine 2S. The application server 7A also identifies the destination of the target work machine 2S based on the position data of the target work machine 2S. The application server 7A identifies the equipment 6 mounted on the target work machine 2S and the authentication information for the equipment 6 based on the identified target work machine 2S and the equipment data stored in the authentication management server 7C. The application server 7A displays the equipment 6 mounted on the target work machine 2S and the authentication information for the equipment 6 on the display device 11 of the information terminal 3.

[0036] 4 is a block diagram showing an information terminal 3 and a server 7 according to an embodiment. In the following explanation, for simplicity, the application server 7A, the production information management server 7B, and the authentication management server 7C are considered to be one server 7. The information terminal 3 is capable of wireless communication with the server 7.

[0037] The information terminal 3 includes a communication device 8 , an input device 9 , a camera 10 , a display device 11 , and a terminal controller 12 .

[0038] The communication device 8 communicates with the on-board controller 4 of the work machine 2. The communication device 8 acquires communication data from the on-board controller 4. The input device 9 generates input data when operated by the user. An example of the input device 9 is a touch panel. The input device 9 may be a computer keyboard, a mouse, or a voice input device. The camera 10 acquires image data. The camera 10 is able to capture images of the work machine 2 and acquire image data of at least a portion of the work machine 2. The display device 11 displays display data and provides it to the user. An example of the display device 11 is a flat panel display such as a liquid crystal display or an organic EL display.

[0039] The terminal controller 12 includes a computer system. The terminal controller 12 communicates wirelessly with the server 7. Communication data acquired by the communication equipment 8 is input to the terminal controller 12. Input data generated by the input device 9 is input to the terminal controller 12. Image data acquired by the camera 10 is input to the terminal controller 12. The terminal controller 12 causes the display device 11 to display display data.

[0040] The server 7 includes a computer system and has a vehicle data storage unit 13, an equipment data storage unit 14, an identification data acquisition unit 15, a work machine identification unit 16, a destination identification unit 17, an equipment identification unit 18, a selection unit 19, and a display data generation unit 20.

[0041] The vehicle data storage unit 13 stores vehicle data that indicates the relationship between the work machine 2 and the work machine 2 identification data.

[0042] Figure 5 is a diagram illustrating vehicle data according to the embodiment. As shown in Figure 5, in the embodiment, the vehicle data indicates the relationship between a plurality of work machines 2 managed by the authentication information display system 1 and the identification data of each of the plurality of work machines 2. The identification data is assigned to the work machine 2, for example, when the work machine 2 is manufactured. The vehicle data is determined, for example, when the work machine 2 is manufactured, and is stored in advance in the vehicle data storage unit 13.

[0043] The equipment data storage unit 14 stores equipment data that indicates the relationship between the equipment 6 mounted on the work machine 2 and the authentication information for the equipment 6. When multiple pieces of equipment 6 are mounted on one work machine 2, the equipment data storage unit 14 stores equipment data relating to each of the multiple pieces of equipment 6. When multiple pieces of equipment 6 are mounted on one work machine 2, the equipment data indicates the relationship between the multiple pieces of equipment 6 and the authentication information for each of the multiple pieces of equipment 6. The equipment data storage unit 14 also stores authentication information for the destination of the work machine 2.

[0044] Figure 6 is a diagram illustrating equipment data according to an embodiment. As shown in Figure 6, in an embodiment, the equipment data indicates the relationship between the identification data of each of a plurality of work machines 2, the product number of the equipment 6 mounted on the work machine 2, the destination of the work machine 2, and the authentication information of the equipment 6 at the destination. As explained with reference to Figure 3, the authentication information differs depending on the destination of the work machine 2. One or more pieces of equipment 6 are mounted on one work machine 2. One or more pieces of authentication information are assigned to one piece of equipment 6. The equipment data is determined, for example, when the work machine 2 is manufactured, and is stored in advance in the equipment data storage unit 14.

[0045] The identification data acquisition unit 15 acquires the identification data of the work machine 2 from the information terminal 3. As described above, the identification data of the work machine 2 is pre-stored in the on-board controller 4. The identification data of the work machine 2 includes the type of work machine 2, the model of the work machine 2, and the production number of the work machine 2. The terminal controller 12 of the information terminal 3 transmits the identification data of the work machine 2 to the server 7. The identification data acquisition unit 15 acquires the identification data of the work machine 2 transmitted from the information terminal 3.

[0046] The identification data may include at least one of a symbol, code, and nameplate attached to the work machine 2. For example, if a symbol such as a one-dimensional code or two-dimensional code is attached as identification data to the rotating body (car body) of the work machine 2, the user may read the symbol with the camera 10 of the information terminal 3. If a code such as a PIN code (Personal Identification Number) is attached as identification data to the rotating body of the work machine 2, the user may operate the input device 9 of the information terminal 3 to input the code. If a nameplate is attached to the rotating body of the work machine 2 as identification data, the user may operate the input device 9 of the information terminal 3 to input the product unique number written on the nameplate, or may read the nameplate with the camera 10 of the information terminal 3. The terminal controller 12 of the information terminal 3 may transmit the identification data of the work machine 2 input from the input device 9 or the identification data of the work machine 2 acquired by the camera 10 to the server 7.

[0047] Figure 7 is a diagram showing a nameplate 21 according to the embodiment. As shown in Figure 7, the nameplate 21 lists the model 21A, serial number 21B, year and month of manufacture 21C, product unique number 21D, and one-dimensional code 21E of the work machine 2 as identification data for the work machine 2. The user may operate the input device 9 of the information terminal 3 to input the product unique number 21D listed on the nameplate 21, or may use the camera 10 of the information terminal 3 to read the one-dimensional code 21E listed on the nameplate 21.

[0048] The work machine identification unit 16 compares the identification data of the work machine 2 sent from the information terminal 3 with the vehicle data stored in the vehicle data storage unit 13, and identifies the target work machine 2S equipped with equipment 6 that requires verification of authentication information.

[0049] The destination specifying unit 17 specifies the destination of the work machine 2. The destination specifying unit 17 specifies the country in which the work machine 2 is located. In the embodiment, the destination specifying unit 17 acquires position data of the work machine 2 from the information terminal 3. The position data of the work machine 2 is detected by a position sensor 5 mounted on the work machine 2. The destination specifying unit 17 specifies the destination of the work machine 2 based on the position data of the work machine 2.

[0050] The destination specifying unit 17 may specify the destination of the work machine 2 based on input data from the input device 9 that indicates the destination of the work machine 2. The user can operate the input device 9 of the information terminal 3 to input the country in which the target work machine 2S is located. The destination specifying unit 17 may specify the destination of the work machine 2 based on input data from the input device 9 that is generated by operation by the user. If the information terminal 3 is equipped with a position sensor, the destination specifying unit 17 may specify the destination of the work machine 2 based on position data detected by the position sensor equipped on the information terminal 3.

[0051] The equipment identification unit 18 compares the identification data of the target work machine 2S identified by the work machine identification unit 16 with the equipment data stored in the equipment data storage unit 14, and identifies the equipment 6 mounted on the target work machine 2S and the authentication information of the equipment 6.

[0052] When a plurality of devices 6 are mounted on the target work machine 2S, the selection unit 19 selects at least one device 6 from the plurality of devices 6.

[0053] The display data generation unit 20 generates display data including authentication information for the equipment 6 mounted on the target work machine 2S based on the identification data and equipment data. The display data generated by the display data generation unit 20 is transmitted to the terminal controller 12 of the information terminal 3. The terminal controller 12 displays the display data generated by the display data generation unit 20 on the display device 11. In the embodiment, the terminal controller 12 functions as a display control unit that displays the display data on the display device 11.

[0054] When a single target work machine 2S is equipped with multiple pieces of equipment 6, the display data displayed on the display device 11 may include a list of the multiple pieces of equipment 6. When a single target work machine 2S is equipped with multiple pieces of equipment 6, the display data displayed on the display device 11 may include authentication information for the piece of equipment 6 selected by the selection unit 19.

[0055] The authentication information displayed on the display device 11 is the authentication information for the destination specified by the destination specification unit 17. The display data generation unit 20 generates display data including authentication information corresponding to the destination of the work machine 2.

[0056] [Authentication Information Display Method] Fig. 8 is a flowchart showing an authentication information display method according to the embodiment. Fig. 9 to Fig. 19 are diagrams each explaining how to use the information terminal 3 according to the embodiment.

[0057] Figure 9 is a diagram showing the input screen of the information terminal 3 when inputting identification data for a work machine 2. As shown in Figure 9, an input section 22 for inputting identification data and selection buttons 23 for selecting a method for inputting the identification data are displayed on the display device 11 of the information terminal 3. The input section 22 and selection buttons 23 are examples of input devices 9. Furthermore, a message 24 prompting the user to input identification data and a message 25 prompting the user to select a method for inputting the identification data are displayed on the input screen of the information terminal 3. Figure 9 shows an example of a user inputting identification data from the input section 22. The input section 22 includes an input section 22A for the type (model) of the target work machine 2S, an input section 22B for the model of the target work machine 2S, and an input section 22C for the production number (machine number) of the target work machine 2S. The selection buttons 23 include a selection button 23A for selecting an input method for reading the one-dimensional code on the nameplate 21, a selection button 23B for selecting an input method for acquiring image data of the nameplate 21, and a selection button 23C for selecting an input method for acquiring identification data from the on-board controller 4 of the target work machine 2S via the second wireless communication device 6B. After the identification data has been input into the input unit 22, the confirmation button 26 is tapped, whereby the identification data is input into the terminal controller 12. Tapping the selection button 23 changes the input method for the identification data.

[0058] FIG. 10 is a diagram showing the input screen of the information terminal 3 after the selection button 23C shown in FIG. 9 has been selected. The communication device 8 of the information terminal 3 is capable of communicating with each of the multiple work machines 2. When multiple work machines 2 are present around the information terminal 3, identification data is transmitted from the on-board controller 4 of each of the multiple work machines 2 to the information terminal 3. As shown in FIG. 10 , the input screen of the information terminal 3 displays a list 27 of the multiple work machines 2 with which communication with the communication device 8 has been established. In the example shown in FIG. 10 , the list 27 includes a first work machine 27A, a second work machine 27B, a third work machine 27C, and a fourth work machine 27D. In addition, a message 28 prompting the user to select one target work machine 2S from the list 27 is displayed on the input screen of the information terminal 3. The target work machine 2S is selected by tapping one of the multiple work machines (27A, 27B, 27C, 27D) in the list 27. By tapping the return button 29, the input screen shown in FIG. 9 is displayed again, and the user can select the method for inputting the identification data again.

[0059] Figure 11 is a diagram showing the input screen of the information terminal 3 after the third work machine 27C shown in Figure 10 has been selected. By tapping the Confirm button 26 on the input screen of the information terminal 3 shown in Figure 11, the target work machine 2S is confirmed as the third work machine 27C. Identification data of the confirmed target work machine 2S is sent from the information terminal 3 to the server 7. The identification data acquisition unit 15 acquires the identification data of the target work machine 2S (step S1).

[0060] FIG. 12 is a diagram showing the input screen of the information terminal 3 when inputting the destination of the target work machine 2S. As shown in FIG. 12, an input unit 30 for inputting the destination and selection buttons 31 for selecting the destination input method are displayed on the display device 11 of the information terminal 3. The input unit 30 and selection buttons 31 are examples of input devices 9. The input screen of the information terminal 3 also displays a message 32 prompting the user to input the destination and a message 33 prompting the user to select the destination input method. FIG. 12 shows an example in which the user inputs the destination from the input unit 30. The selection buttons 31 include a selection button 31A for selecting the input method for acquiring position data from the on-board controller 4 of the target work machine 2S via the second wireless communication device 6B. After the destination is input into the input unit 30, the confirm button 34 is tapped, whereby the destination is input into the terminal controller 12. The destination input method is changed by tapping the selection button 31.

[0061] Fig. 13 is a diagram showing the input screen of the information terminal 3 after the selection button 31A shown in Fig. 12 has been selected. Position data of the target work machine 2S is transmitted from the on-board controller 4 of the target work machine 2S to the information terminal 3. As shown in Fig. 13, a list 35 of multiple destinations (countries) calculated based on the position data of the target work machine 2S is displayed on the input screen of the information terminal 3. In the example shown in Fig. 13, the list 35 includes a first destination 35A, a second destination 35B, and a third destination 35C. In addition, a message 36 prompting the user to select one destination from the list 35 is displayed on the input screen of the information terminal 3. By tapping one of the multiple destinations (35A, 35B, 35C) in the list 35, the destination of the target work machine 2S is selected. Note that by tapping the return button 37, the screen returns to the input screen shown in Fig. 12, and the user can redo their selection of the destination input method.

[0062] Figure 14 is a diagram showing the input screen of the information terminal 3 after the third destination 35C shown in Figure 13 has been selected. By tapping the Confirm button 34 on the input screen of the information terminal 3 shown in Figure 14, the destination is confirmed as the third destination 35C. The confirmed position data of the target work machine 2S is transmitted from the information terminal 3 to the server 7. The destination identification unit 17 acquires the position data of the target work machine 2S (step S2).

[0063] The work machine identification unit 16 compares the identification data of the work machine 2 sent from the information terminal 3 with the vehicle data stored in the vehicle data storage unit 13, and identifies the target work machine 2S equipped with equipment 6 that requires verification of authentication information (step S3).

[0064] The destination specifying unit 17 specifies the destination of the target work machine 2S based on the position data of the target work machine 2S (step S4).

[0065] The equipment identification unit 18 compares the identification data of the target work machine 2S identified by the work machine identification unit 16 with the equipment data stored in the authentication management server 7C, and identifies the equipment 6 mounted on the target work machine 2S and the authentication information for the equipment 6 (step S5).

[0066] The display data generator 20 generates display data including a list of the plurality of devices 6 mounted on the target work machine 2S based on the identification data and the equipment data. The terminal controller 12 causes the display device 11 to display the display data including the list of the plurality of devices 6 (step S6).

[0067] FIG. 15 is a diagram showing the output screen of the information terminal 3 displaying a list 38 of devices 6 mounted on the target work machine 2S. As shown in FIG. 15, the output screen of the information terminal 3 displays a list 38 of multiple devices 6 mounted on the target work machine 2S. The devices 6 in the list 38 are authenticated devices 6. In the example shown in FIG. 15, the list 38 includes a first device 38A, a second device 38B, a third device 38C, and a fourth device 38D. In addition, a message 39 prompting the user to select a device 6 for which authentication information confirmation is required from the list 38 is displayed on the output screen of the information terminal 3. The list 38 includes the device name and product number of each of the multiple devices 6. By tapping one device from the multiple devices (38A, 38B, 38C, 38D) in the list 38, the device 6 for which authentication information confirmation is required is selected. Note that by tapping the return button 40, the screen returns to the input screen shown in FIG. 14 and the user can redo their destination selection. Also, a switch button 41 for displaying detailed data about the device 6 is displayed on the display screen.

[0068] Fig. 16 is a diagram showing the output screen of the information terminal 3 after the switch button 41 is operated. As shown in Fig. 16, when the switch button 41 is operated, the output screen shown in Fig. 15 is changed to the output screen shown in Fig. 16. As shown in Fig. 16, when the switch button 41 is operated, detailed data of each of the multiple devices (38A, 38B, 38C, 38D) is displayed.

[0069] The selection unit 19 selects one device 6 from the plurality of devices 6 mounted on the target work machine 2S based on input data generated by tapping one device from the plurality of devices (38A, 38B, 38C, 38D). The display data generation unit 20 generates display data including a list of authentication information for the devices 6 selected by the selection unit 19. The terminal controller 12 causes the display device 11 to display the display data including the list of authentication information for the selected devices 6 (step S7).

[0070] FIG. 17 is a diagram showing the output screen of the information terminal 3 after the first device 38A shown in FIG. 16 has been selected. As shown in FIG. 17 , a list 42 of authentication information for the first device 38A is displayed on the output screen of the information terminal 3. In the example shown in FIG. 17 , the list 42 includes authentication information 42A, display information 42B of the device 6, display information 42C of the user's manual for the device 6, and display information 42D of the package for the device 6. Furthermore, a message 43 prompting the user to select one piece of authentication information from the list 42 is displayed on the output screen of the information terminal 3. By tapping one piece of authentication information from the multiple pieces of authentication information (42A, 42B, 42C, 42D) in the list 42, the authentication information to be displayed on the display device 11 of the information terminal 3 is selected. Note that by tapping the return button 44, the display returns to the output screen shown in FIG. 15 or 16 , allowing the user to redo the selection of the device 6.

[0071] 18 is a diagram showing the output screen of the information terminal 3 after the display information 42B of the device 6 shown in FIG. 17 has been selected. The display data generation unit 20 generates display data including an authentication image 45 showing the authentication number and authentication mark to be displayed on the device 6. As shown in FIG. 18, the authentication image 45 showing the authentication number and authentication mark to be displayed on the device 6 is displayed on the output screen of the information terminal 3. Also, a message 46 indicating that the authentication image 45 is the authentication number and authentication mark corresponding to the device 6 is displayed on the output screen of the information terminal 3. Note that by tapping the return button 47, the display returns to the output screen shown in FIG. 17, and the user can reselect the authentication information to be displayed on the display device 11.

[0072] FIG. 19 is a diagram showing the output screen of the information terminal 3 after the display information 42C of the user manual shown in FIG. 17 has been selected. The display data generation unit 20 generates display data including an authentication image 48 indicating the user manual of the device 6. The laws and regulations of the destination country may require that the user manual state that an electromagnetic mark has been attached and how to display it. As shown in FIG. 19, the authentication image 48 indicating the user manual of the device 6 is displayed on the output screen of the information terminal 3. The output screen of the information terminal 3 also displays a message 49 indicating that the authentication image 48 is the user manual corresponding to the device 6. Note that by tapping the return button 50, the display returns to the output screen shown in FIG. 17, allowing the user to reselect the information to be displayed on the display device 11.

[0073] [Computer System] FIG. 20 is a block diagram showing a computer system 1000 according to an embodiment. The above-described on-board controller 4, server 7, and terminal controller 12 each include a computer system 1000. The computer system 1000 includes a processor 1001 such as a central processing unit (CPU), a main memory 1002 including a nonvolatile memory such as a read-only memory (ROM) and a volatile memory such as a random access memory (RAM), a storage 1003, and an interface 1004 including an input / output circuit. The functions of the above-described on-board controller 4, server 7, and terminal controller 12 are stored in the storage 1003 as computer programs. The processor 1001 reads the computer programs from the storage 1003, loads them into the main memory 1002, and executes the above-described processes according to the computer programs. The computer programs may be distributed to the computer system 1000 via a network.

[0074] According to the above-described embodiment, the computer program enables the computer system 1000 to acquire identification data of the work machine 2, generate display data including authentication information of the equipment 6 mounted on the work machine 2 based on the identification data and equipment data indicating the relationship between the equipment 6 mounted on the work machine 2 and the authentication information of the equipment 6, and display the display data on the display device 11.

[0075] [Effects] As described above, the authentication information display system 1 comprises an identification data acquisition unit 15 that acquires identification data of the work machine 2, an equipment data storage unit 14 that stores equipment data indicating the relationship between the equipment 6 mounted on the work machine 2 and the authentication information of the equipment 6, a display data generation unit 20 that generates display data including the authentication information of the equipment 6 mounted on the work machine 2 based on the identification data and the equipment data, and a terminal controller 12 that is a display control unit that displays the display data on the display device 11.

[0076] According to this embodiment, by inputting the identification data of the target work machine 2S into the information terminal 3, the authentication information of the equipment 6 mounted on the target work machine 2S is displayed on the display device 11 of the information terminal 3. Therefore, the user can easily confirm that the equipment 6 has been authenticated and the authentication information of the equipment 6.

[0077] 15 and 16 , the display data displayed on the display device 11 includes a list 38 of the multiple devices 6. By displaying the list 38 of the multiple devices 6 on the display device 11, the user can easily check the multiple devices 6 mounted on the work machine 2.

[0078] The authentication information display system 1 includes a selection unit 19 that selects at least one device 6 from a plurality of devices 6. As described with reference to Fig. 17 , the display data displayed on the display device 11 includes the authentication information of one device 6 (38A) selected by the selection unit 19. A list 42 of authentication information for one device 6 is displayed on the display device 11, allowing the user to easily check the multiple pieces of authentication information for the device 6.

[0079] The authentication information differs depending on the destination of the work machine 2. According to this embodiment, the authentication information displayed on the display device 11 is the authentication information for the destination specified by the destination specification unit 17. The user can easily check the authentication information that is suitable for the destination.

[0080] [Another embodiment] In the above-described embodiment, the device 6 is a device that uses radio waves. The device 6 does not have to use radio waves. The device 6 may be any device that requires certification by a public institution. The device 6 may be, for example, an engine of the work machine 2.

[0081] In the above-described embodiment, the terminal controller 12 of the information terminal 3 may have some or all of the functions of the server 7. Some or all of the vehicle data storage unit 13, equipment data storage unit 14, identification data acquisition unit 15, work machine identification unit 16, destination identification unit 17, equipment identification unit 18, selection unit 19, and display data generation unit 20 may be provided in the terminal controller 12 of the information terminal 3.

[0082] For example, the terminal controller 12 of the information terminal 3 may be equipped with an identification data acquisition unit 15 that acquires identification data of the work machine 2, an equipment data storage unit 14 that stores equipment data indicating the relationship between the equipment 6 mounted on the work machine 2 and the authentication information of the equipment 6, a display data generation unit 20 that generates display data including the authentication information of the equipment 6 mounted on the work machine 2 based on the identification data and the equipment data, and a display control unit that displays the display data on the display device 11. If all of the functions of the server 7 are provided in the terminal controller 12 of the information terminal 3, the server 7 may be omitted.

[0083] Each of the vehicle data storage unit 13, the equipment data storage unit 14, the identification data acquisition unit 15, the work machine identification unit 16, the destination identification unit 17, the equipment identification unit 18, the selection unit 19, the display data generation unit 20, and the display control unit may be provided in separate hardware (computer systems).

[0084] 1...Authentication information display system, 2...Construction machine, 3...Information terminal, 4...On-board controller, 5...Position sensor, 6...Equipment, 6A...First wireless communication device, 6B...Second wireless communication device, 6C...Radar device, 7...Server, 7A...Application server, 7B...Production information management server, 7C...Authentication management server, 8...Communication equipment, 9...Input device, 10...Camera, 11...Display device, 12...Terminal controller (display control unit), 13...Vehicle data storage unit, 14...Equipment data storage unit, 15...Identification data acquisition unit, 16...Production Industry machine identification section, 17...destination identification section, 18...equipment identification section, 19...selection section, 20...display data generation section, 21...nameplate, 21A...model, 21B...serial number, 21C...manufacturing date, 21D...product unique number, 21E...one-dimensional code, 22...input section, 22A...input section, 22B...input section, 22C...input section, 23...selection button, 23A...selection button, 23B...selection button, 23C...selection button, 24...message, 25...message, 26...confirmation button, 27...list, 27A...first industry machine, 27 B...second work machine, 27C...third work machine, 27D...fourth work machine, 28...message, 29...return button, 30...input section, 31...selection button, 31A...selection button, 32...message, 33...message, 34...confirm button, 35...list, 35A...first destination, 35B...second destination, 35C...third destination, 36...message, 37...return button, 38...list, 38A...first device, 38B...second device, 38C...third device, 38D...fourth device, 39...message Message, 40...return button, 41...switch button, 42...list, 42A...authentication information, 42B...display information, 42C...display information, 42D...display information, 43...message, 44...return button, 45...authentication image, 46...message, 47...return button, 48...authentication image, 49...message, 50...return button, 100...vehicle management server, 1000...computer system, 1001...processor, 1002...main memory, 1003...storage, 1004...interface.

Claims

1. An authentication information display system comprising: an identification data acquisition unit that acquires identification data of a work machine; an equipment data storage unit that stores equipment data indicating the relationship between equipment mounted on the work machine and authentication information for the equipment; a display data generation unit that generates display data including authentication information for the equipment mounted on the work machine based on the identification data and the equipment data; and a display control unit that displays the display data on a display device.

2. The authentication information display system according to claim 1, wherein the device is a wireless communication device.

3. The authentication information display system according to claim 1, wherein the work machine is equipped with a plurality of devices, and the device data storage unit stores device data relating to each of the plurality of devices.

4. The authentication information display system according to claim 3, wherein the display data includes a list of a plurality of the devices.

5. An authentication information display system according to claim 4, further comprising a selection unit that selects at least one device from the plurality of devices, and the display data includes authentication information of the device selected by the selection unit.

6. The authentication information display system according to claim 1, wherein the identification data includes the type of the work machine, the model of the work machine, and the production number of the work machine.

7. The authentication information display system according to claim 1, wherein the identification data includes at least one of a symbol, a code, and a nameplate attached to the work machine.

8. The authentication information display system according to claim 1, wherein the authentication information includes at least one of an authentication number and an authentication mark.

9. The authentication information display system according to claim 1, wherein the authentication information includes a user manual for the device.

10. The certification information display system according to claim 1, wherein the equipment data storage unit stores certification information for the destination of the work machine.

11. An authentication information display system according to claim 10, further comprising a destination specification unit that specifies the destination of the work machine, and the authentication information displayed on the display device is authentication information for the destination specified by the destination specification unit.

12. The authentication information display system according to claim 11, wherein the destination specification unit specifies the destination based on input data from an input device indicating the destination of the work machine.

13. The authentication information display system according to claim 12, wherein the destination specifying unit specifies the destination based on position data of the work machine.

14. An information terminal comprising: an identification data acquisition unit that acquires identification data of a work machine; an equipment data storage unit that stores equipment data indicating the relationship between equipment mounted on the work machine and authentication information for the equipment; a display data generation unit that generates display data including authentication information for the equipment mounted on the work machine based on the identification data and the equipment data; and a display control unit that displays the display data on a display device.

15. An authentication information display method comprising: acquiring identification data of a work machine; generating display data including authentication information of equipment mounted on the work machine based on the identification data and equipment data indicating the relationship between the identification data and equipment mounted on the work machine and authentication information for the equipment; and displaying the display data on a display device.

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