KR101529322B1 - Multi function display device - Google Patents

Abstract

SUMMARY OF THE INVENTION The present invention provides a multifunctional display device capable of displaying various kinds of image data corresponding to multifunctionality of a display device among a limited capacity of a storage device of a display device.

The image storage section 26 of the multifunction display device 20 stores first image data for displaying the vehicle body basic information and the processing function of the CPU 28 as the display control processing section 30 is the image storage section 26 ), The vehicle body basic information of the hydraulic excavator is displayed (the processing function as the first display control device) using the first image data stored in the storage section With respect to the information, the information is displayed using the second image data read from the external storage medium 45 (processing function as the second display control apparatus).

A multi-function display device, an image storage unit, a display control processing unit, a CPU,

Description

[0001] MULTI FUNCTION DISPLAY DEVICE [0002]

The present invention relates to a multifunctional display device mounted on a working machine such as a hydraulic excavator, and more particularly to a multifunctional display device having a function of displaying basic body information of a working machine and a function of displaying information having a lower frequency of use than the basic information of the vehicle body, Function display device having a function as a display device.

BACKGROUND ART In recent years, electronic control of working machines such as a hydraulic excavator has progressed, and accordingly, display apparatuses mounted on a working machine have evolved, and a liquid crystal monitor has been mounted to display detailed information and the like. Functionality enhancement includes multifunctionality in which basic information of a vehicle body such as a remaining amount of fuel and a cooling water temperature is displayed, and various information such as a failure diagnosis function is displayed (Patent Documents 1 and 2).

On the other hand, when various functions are to be exerted on the control device, as a result of storing a plurality of control programs in the control device, the memory capacity of the storage device increases and the operation speed becomes slow. In Patent Document 3, in order to solve such a problem, a part of a control program such as an inspection program and a trouble diagnosis program which is not always used in a portable external storage device is stored, and the external storage device is controlled It is proposed that the control program in the external storage device is read and used in the control device.

[Patent Document 1] Japanese Patent Application Laid-Open No. 2003-128386

[Patent Document 2] Japanese Patent Application Laid-Open No. 2005-82961

[Patent Document 3] Japanese Patent Application Laid-Open No. 6-20127

However, the above-mentioned prior art has the following problems.

When the display device is made multifunctional, not only a control program according to the number of functions is required but also image data for executing these control programs (functions) (image data for displaying information or images Data) is required. The amount of data is larger than that of the control program.

Although not described in Patent Documents 1 and 2, image data is generally stored in a storage device of a display device. However, if all the image data is stored in the storage unit of the display apparatus in accordance with the multifunctionality of the display apparatus, it is necessary to increase the capacity of the storage apparatus in order to cope with the increase in the data amount. Increasing the capacity of the storage device increases the cost.

In Patent Document 3, only a control program is stored in a portable external storage device, and it can not cope with an increase in image data.

An object of the present invention is to provide a multifunctional display device capable of displaying various kinds of image data corresponding to a multifunctionality of a display device among a limited capacity of a storage device of a display device.

(1) In order to achieve the above object, the present invention provides a multifunction display device mounted on a working machine, comprising: a first storage device for storing first image data for displaying body basic information of a working machine; A first display control device for displaying the vehicle body basic information of the working machine by using the display control means, display switching means, an external storage medium mounting portion to which the external storage medium is detachably mounted, And a second display control device for displaying at least information less frequently used than the vehicle body basic information by using second image data read from the external storage medium when the display switching means operates .

As described above, the second display control device is provided separately from the first display control device, and the second display control device uses the second image data read from the external storage medium for information less frequently used than the vehicle body basic information (First storage device) of the multifunctional display device may simply store the first image data for displaying the vehicle body basic information, so that the display of the limited capacity of the storage device (first storage device) Various image data can be displayed corresponding to the multifunctionality of the apparatus.

(2) In the above-mentioned (1), preferably, the second display control device includes a processing function for performing a predetermined process, and is displayed using the second image data read from the external storage medium And the information whose frequency of use is lower than that of the vehicle body basic information includes a user interface for executing the predetermined processing.

As a result, a user interface for performing various processes such as version up and download can be displayed in the limited capacity of the storage device (first storage device), and the process can be performed smoothly.

(3) In the above-mentioned (1), preferably, the second display control device downloads a version-up program stored in the external storage medium, and upgrades one or more controllers mounted on the worker Wherein the information having lower version frequency than the vehicle body basic information displayed using the second image data read from the external storage medium includes a user interface for executing the version up function .

As a result, a user interface for performing version-up of the controller mounted on the working machine can be displayed in the limited capacity of the storage device (first storage device), and the version-up can be smoothly performed.

(4) In the above-mentioned (1), it is preferable that the second display control device includes a display function of displaying information with lower frequency of use than the vehicle body basic information by using the second image data, And a download function for downloading the vehicle body information stored in the information controller from the mounted information controller to the external storage medium, wherein the vehicle body basic information is displayed using the second image data read from the external storage medium And the information with low frequency of use includes a user interface for executing the download function.

As a result, the user interface for downloading the vehicle body information from the information controller mounted on the working machine can be displayed in a limited capacity of the storage device (first storage device) to smoothly download the vehicle body information.

(5) In the above-mentioned (1), preferably, it is detected whether or not the external storage medium is mounted on the external storage medium mounting portion, and when it is detected that the external storage medium is mounted on the external storage medium mounting portion, Further comprising: an external storage medium connection detecting processing device for storing second image data read out from the external storage medium in an erasable second storage device, wherein the second display control device comprises: It is assumed that information with lower frequency of use is displayed than the vehicle body basic information by using image data.

Thus, the second image data stored in the external storage medium can be used to promptly display less frequently used information than the vehicle body basic information.

According to the present invention, it is possible to display various image data corresponding to multifunctionality of the display device among the limited capacity of the storage device of the multifunctional display device.

In addition, a user interface for performing various processes such as version up and download can be displayed in a limited capacity of the storage device (first storage device), and the process can be performed smoothly.

Furthermore, by using the second image data stored in the external storage medium, it is possible to quickly display the information with lower frequency of use than the vehicle body basic information.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.

(Configuration)

1 is a diagram showing an overall configuration of a control system including a multifunctional control device according to an embodiment of the present invention.

1, the control system according to the present embodiment includes a multifunctional display device 20, a body controller 51, an engine controller 52, and an information controller 53, Respectively. The multifunctional display device 20, the vehicle body controller 51, the engine controller 52, and the information controller 53 are the same as those in the first embodiment, except that the present invention is applied to a hydraulic excavator (working machine) It is mounted on a hydraulic excavator (to be described later). The vehicle body controller 51 electronically controls the hydraulic drive unit 15 of the hydraulic excavator and the engine controller 52 controls an electronic governor provided in the engine 16 And controls the engine revolution speed and the output torque by controlling the fuel injection amount. The hydraulic drive apparatus 15 includes a hydraulic pump rotationally driven by the engine 16, a plurality of hydraulic actuators driven by pressure oil discharged from the hydraulic pump, and driven by a driven member such as a front working machine, A control valve for controlling the flow of pressure oil supplied to the hydraulic actuator, and a hydraulic device such as an operation lever device for operating the corresponding hydraulic actuator by operating the control valve. The vehicle body controller 51 detects the operation amount of the operation lever device, for example, and controls the tilting angle (capacity) of the hydraulic pump so as to discharge the flow amount corresponding to the operation amount.

The multifunctional display device 20 includes a fuel remaining amount sensor 41 for detecting the remaining amount of fuel to be supplied to the engine 16, a cooling water temperature sensor 42 for detecting the cooling water temperature of the engine 16, Of the operating oil temperature sensor 43 for detecting the oil temperature of the operating fluid of the engine controller 52 and the detected values of these sensors and the detected values of the detected values of these sensors transmitted from the bodycontroller 51 and the engine controller 52 via the vehicle body network 50 Outside vehicle body data is displayed as vehicle body basic information (to be described later). The information controller 53 receives the fuel remaining amount sensor 41, the cooling water temperature sensor 42, the operating oil temperature sensor 42, and the operating fluid temperature sensor 42 from the multifunctional display device 20, the body controller 51 and the engine controller 52 through the vehicle body network 50, And various pieces of data including the detected values of the vehicle body data 43 and other body data, and collects (stores) and accumulates them in the database. Further, the information controller 53 wirelessly transmits the accumulated moving data to the server of the management company via the communication device 64 at predetermined time intervals (for example, once a day) .

The multifunctional display device 20 has a function of displaying the vehicle basic information of the above-described hydraulic excavator and a function of displaying information with lower frequency of use than the vehicle basic information and performing a predetermined process. Hereinafter, the functions of the multifunctional display device 20 will be described in detail.

The multifunctional display device 20 includes an input interface 21, an external storage medium loading section 22, an external storage medium interface 23, a communication section 24, a program storage section (first ROM) 25, An image memory unit (second ROM) 26, a RAM 27, a CPU 28, an image control unit 31, and a display unit 32. [

The input interface 21 inputs the detection values of the fuel remaining amount sensor 41, the cooling water temperature sensor 42 and the operation oil temperature sensor 43 as detection signals, And inputs an operation signal from the key switch unit 44 (described later).

The external storage medium interface 23 is for detecting whether or not the external storage medium 45 is mounted on the external storage medium mounting portion 22 And also inputs data from the external storage medium 45 and outputs data to the external storage medium 45. [ The external storage medium 45 is, for example, a USB memory. The communication unit 24 inputs / outputs data to / from the vehicle body network 50.

The program storage unit (first ROM) 25 stores a predetermined program used in the calculation of the CPU 28. The image storage unit (second ROM) And stores image data (first image data). The RAM 27 stores image data during calculation or image data for displaying information less frequently used than body basic information read from the external storage medium 45 via the external storage medium interface 23 ) Is temporarily stored.

The CPU 28 receives data from the input interface 21, the external storage medium interface 23, the communication unit 24, the image storage unit 26 and the RAM 27 and stores them in the program storage unit 25 And performs predetermined arithmetic processing based on the program.

The image control unit 31 outputs the display data to the display unit 32 based on the calculation result of the CPU 28 and displays predetermined information on the display unit 32. [ The display section 32 is constituted by, for example, a liquid crystal display panel.

Fig. 2 is a diagram showing the appearance of a hydraulic excavator equipped with a control system equipped with the multifunctional display device 20 according to the embodiment of the present invention.

2, the hydraulic excavator includes a traveling body 1, a swing body 2 pivotally mounted on the traveling body 1 through a swinging device 3, And a front working machine 6 provided so as to be able to move forward in the center of the front part. The front working machine 6 is composed of a boom 7, an arm 8 and a bucket 9. The traveling body 1 is driven by the left and right traveling motors 13a and 13b and the swing body 2 is driven by a swing motor 14 built in the swing device 3 and the boom 7, The bucket cylinder 8 and the bucket 9 are driven by the boom cylinder 10, the arm cylinder 11 and the bucket cylinder 12, respectively. The traveling motors 13a and 13b, the swing motor 14, the boom cylinder 10, the arm cylinder 11 and the bucket cylinder 12 constitute a plurality of actuators of the hydraulic drive apparatus 15 described above.

The cabin 5 is mounted on the swivel body 2 and the above-described multifunctional display device 20 and operation lever device are disposed in the cabin of the cabin 5. [

3 is a view showing a display operation portion including the display portion 32 of the multifunctional display device 20. As shown in Fig. The display operation portion of the multifunctional display device 20 has a display portion 32 and an operation key switch portion 44. [ The display section 32 is constituted by a display panel such as a liquid crystal or the like, and in the illustrated example, a normal screen 100 (described later) is displayed. The operation key switch unit 44 is disposed below the display unit 32 and includes a plurality of function keys 44a to 44g of F1 to F7 and a menu key 44h and a back monitor key 44i.

Next, the operation processing contents of the CPU 28 of the multi-function display device 20 will be described. 1, the CPU 28 has a processing function as an external storage medium connection detection processing section 29 and a processing function as a display control processing section 30. [ The program for executing these processing functions is stored in the program storage unit 25 and the data of the image displayed on the display unit 32 is stored in the image storage unit 26 and the external storage medium 45 It is divided and memorized. The program for performing the processing function as the display control processing section 30 stored in the program storage section 25 displays the image data thereof (image data stored in the image storage section 26 and the external storage medium 45) And a program for executing a predetermined process (e.g., version up, download, etc.). Hereinafter, their details will be described with reference to Figs. 4 to 23. Fig.

4 is a flowchart showing a processing function as the external storage medium connection detection processing section 29 of the CPU 28. [

As described above, the external storage medium interface 23 detects whether or not the external storage medium 45 is mounted on the external storage medium mounting portion 22, and the CPU 28 inputs the detection result, It is determined whether or not the external storage medium 45 is attached to the medium mounting portion 22 (step S11). If the determination result is NO, the process is repeated. When the determination result is YES, the monitoring image data storage process (step S20), the failure diagnosis image data storage process (step S30), the upgrade image data storage process (step S40), and the download image data storage process .

FIG. 5 is a flowchart showing details of monitoring image data saving processing (step S20), FIG. 6 is a flowchart showing details of the failure diagnosis image data saving processing (step S30), FIG. S40), and Fig. 8 is a flowchart showing the details of the download image data saving process (step S50).

5, the CPU 28 accesses the external storage medium 45 via the external storage medium interface 23 and stores the image data of the monitoring processing in the external storage medium 45 (Step S21). If the judgment result is YES, the image data of the monitoring process is read from the external storage medium 45 and temporarily stored in the RAM 27 (step S22). If the determination result is NO, the process is terminated (step S23).

6, the CPU 28 accesses the external storage medium 45 via the external storage medium interface 23 and writes the image of the failure diagnosis process in the external storage medium 45 (Step S31). If the determination result is YES, the image data of the failure diagnosis process is read from the external storage medium 45 and temporarily stored in the RAM 27 (step S32 ). If the determination result is NO, the process is terminated (step S33).

7, the CPU 28 accesses the external storage medium 45 via the external storage medium interface 23 and stores the version-upgraded programs (the respective programs) in the external storage medium 45 (Step S41). If the determination result is YES, the control unit 10 inputs the version information of the control program of the target controller via the vehicle body network 50 (step S42) (Step S43). If the determination result is YES, the image data of the version-up processing is compared with the version information of the version-up program in the external storage medium 45 From the storage medium 45, and temporarily stores it in the RAM 27 (step S44). If the determination result of step S41 or step S43 is NO, the process is terminated (step S45).

8, the CPU 28 accesses the external storage medium 45 via the external storage medium interface 23 and stores the free space required for the download processing in the external storage medium 45 (Step S51). If the determination result is YES, the image data of the download processing is read from the external storage medium 45 and temporarily stored in the RAM 27 (step S52). If the determination result is NO, the process is terminated (step S53).

Fig. 9 is a flowchart showing a processing function of the CPU 28 as the display control unit processing unit 30. Fig. The CPU 28 uses the image data of the image storage unit 26 first and displays the normal screen 100 shown in Fig. 3 on the display unit 32 as an initial screen (step S61). Subsequently, it is determined whether the menu key 44h is pressed (whether it is ON) (step S62). If the determination result is NO and the menu key 44h is not pressed, the process is repeated do. It is judged whether or not the image data read from the external storage medium 45 is stored in the RAM 27 (step S63). If the judgment result is NO and the RAM 27 is stored in the external storage medium 10, the image data stored in the image storage section 26 is used and the screen of the display section 32 is displayed on the normal screen 100 from the menu screen 10 shown in Fig. 10 (Step S64). If the determination result is YES, the screen is switched to the screen 120 of the menu screen display 2 as shown in FIG. 11 (step S65).

In the screen 110 of Fig. 10, only the item 111a of the maintenance menu is displayed, and the cursor K indicated by hatching hatching is displayed on the item 111a. The screen 120 of the menu screen display 2 of Fig. 11 is a screen image of the monitor image data storage process shown in Figs. 5 to 8, the failure diagnostic image data storage process, the version-up image data storage process, (The external storage medium 45 stores the image data of the monitoring process, the image data of the failure diagnosis process, the version-up program, and the controller that requires version-up processing, (In the case where there is a free space required for the downloading process). In this screen 120, an item 121a of the maintenance menu is displayed using the image data stored in the image storage section 26, and the item 121a acquired from the external storage medium 45 and stored in the RAM 27 Items 121b, 121c, 121d, and 121e for monitoring, failure diagnosis, version upgrade, and download are additionally displayed using the image data of the monitoring process, the failure diagnosis process, the version upgrade process, and the download process. Item 121b is monitoring, item 121c is a failure diagnosis, item 121d is a version-up, and item 121e is a download. In the initial screen immediately after switching to the screen 120 of the menu screen display 2, the cursor K indicated by hatching hatching is displayed in the item 121a of the maintenance menu. In the case where all of the monitoring image data saving processing, the failure diagnosis image data saving processing, the upgrade image data saving processing, and the download image data saving processing shown in Figs. 5 to 8 are not affirmed, Only items related to judgment are displayed on the screen 120. [

Subsequently, the CPU 28 executes a menu screen process (step S70). It is determined again whether or not the menu key 44h is pressed (whether or not it is turned on) (step S66). If the determination result is NO and the menu key 44h is not pressed, the menu screen process at step S70 is repeated , The process returns to step S61 to switch the screen of the display section 32 to the normal screen 100. [

12 is a flowchart showing the details of the menu screen process in step S70.

The CPU 28 determines whether the item [111a (FIG. 10) or (121a) (FIG. 11) of the maintenance menu is selected as the menu item (step S71). Whether or not the maintenance menu item 111a or 121a is selected can be determined by checking whether or not the cursor K is displayed on the maintenance menu item 111a or 121a in the menu screens 110 and 120 shown in Figs. Quot; determination " function key 44f is pressed in the displayed state. If the determination result is YES, the process proceeds to the maintenance menu process (step S80). If the determination result is NO, whether or not there is any item other than the maintenance menu items 111a and 121a on the menu screens 110 and 120 (Step S72). This judgment is to judge which of the screen 110 of the menu screen display 1 or the screen 120 of the menu screen display 2 is currently displayed on the display unit 32 and this judgment is made by the RAM 27, by checking whether each image data of the monitoring process, the failure diagnosis process, the version-up process, and the download process is stored. When the determination result is NO, the screen 110 of the menu screen display 1 having only the item 111a of the maintenance menu is displayed. In this case, the process of step S71 is repeated. In the case where the determination result is YES, the screen 120 of the menu screen display 2 including the items 121b to 121e other than the item 121a of the maintenance menu is displayed. In this case, Is selected (step S73).

Here, on the screen 120 of the menu screen display 2, the cursor K can be moved downward by pressing the function key 44e of " down ", and by pushing the function key 44d of "Lt; / RTI > The CPU 28 determines that the item of monitoring has been selected when the cursor K is moved to the item of monitoring 121b and the function key 44f of "determination" is pressed in this state.

If the judgment result in the step S73 is YES, the process goes to the monitoring process (step S90). If the judgment result is NO, whether or not the fault diagnosis item is selected (step S74) (Step S75), whether or not the item of download is selected (step S76) are sequentially determined. If the result of the determination is YES, a failure diagnosis process (step S100) S120). Also, in these judgment processing, the CPU 28 also judges whether or not the cursor K is moved by the monitoring items 121c, 121d, and 121e, and when the "determination" function key 44f is pressed in this state, Is selected. If the determination result of step S76 is NO, the process returns to the determination of step S71.

Fig. 13 is a flowchart showing details of maintenance menu processing in step S80, Fig. 14 is a flowchart showing the details of the monitoring processing in step S90, Fig. 15 is a flowchart showing the details of the failure diagnosis processing in step S100, Is a flowchart showing the details of the version upgrade process in step S110, and Fig. 17 is a flowchart showing the details of the download process in step S120.

In the maintenance menu process shown in Fig. 13, the CPU 28 uses the image data of the image storage unit 26 and displays the maintenance item screen 130 shown in Fig. 18 on the display unit 32 Step S81). In the maintenance item screen 130 of Fig. 18, maintenance items 131a to 131e are displayed. The maintenance item 131b is an engine oil and the maintenance item 131c is a fuel filter and the maintenance item 131d is an engine oil filter and the maintenance item 131e is an engine oil filter, Is a hydraulic oil filter. Subsequently, when any one of the maintenance items 131a to 131e is selected, for example, the maintenance detail screen 140 as shown in Fig. 19 is displayed on the display unit 32 (step S82). The maintenance detail screen 140 shown in Fig. 19 is for the case where the maintenance item 131b of the engine oil is selected, and details of the maintenance information of the selected item (engine oil) are displayed. The maintenance items 131a to 131e can be selected by operating the function keys 44d to 44f as in the case of the screen 120 of the menu screen display 2 described above.

In the monitoring process shown in Fig. 14, the CPU 28 uses the image data of the monitoring process acquired from the external storage medium 45 and stored in the RAM 27, and displays the monitoring screen 150 shown in Fig. 20 And displays it on the display unit 32 (step S91). In the monitoring screen 150 of FIG. 20, the monitoring status is displayed together with the monitoring items 151a to 151d. The monitoring item 151a is the engine speed, the monitoring item 151b is the engine target rotation speed, the monitoring item 151c is the fuel temperature, and the monitoring item 151d is the cooling water temperature.

In the failure diagnosis process shown in Fig. 15, the CPU 28 uses the image data of the failure diagnosis process acquired from the external storage medium 45 and stored in the RAM 27, On the display unit 32 (step S101). In the fault diagnosis item screen 160 of Fig. 21, the fault diagnosis target controller items 161a to 161d and the presence or absence of a fault (result) are displayed. The fault diagnosis target controller item 161a is the body controller 51, the fault diagnosis target controller item 161b is the information controller 53, the fault diagnosis target controller item 161c is the engine controller 52, The target controller item 161d is a monitor controller (multifunctional display device) 20. In the illustrated example, the fault diagnosis target controller item 161c of the engine controller 52 is displayed as " faulty ", indicating that the engine controller 52 has a fault. Subsequently, the operator selects the fault diagnosis target controller item indicated as " faulty " and starts fault diagnosis (step S102). In the example shown in Fig. 21, the cursor K indicated by the halftone hatching is displayed in the column of " Result ". In this state, when the "decision" function key 44f is pressed, For example, a failure diagnosis result screen 170 as shown in FIG. 22 on the display unit 32 using the image data of the failure diagnosis process stored in the RAM 27 (step S103). In the failure diagnosis result screen 170 shown in FIG. 22, there is a failure in the rotation sensor of the engine controller 52. The fault diagnosis itself is performed in each controller and the result information of the fault diagnosis is transmitted to the multifunctional control device 20 via the vehicle body network 50. The CPU 28 of the multifunctional control device 20 transmits the information to the RAM (27).

16, the CPU 28 uses the image data of the version-up processing acquired from the external storage medium 45 and stored in the RAM 27, and updates the version-up The item screen 180 is displayed on the display unit 32 (step S111). 23, the version up items 181a to 181d of each controller and the necessity of version up are displayed. The version up item 181a is the body controller 51. The version up item 181b is the information controller 53. The version up item 181c is the engine controller 52 and the version up item 181d is the monitor Controller (multifunctional display) 20. In the example shown in the figure, the version up item 181b of the information controller 53 is displayed as " necessary ", indicating that version control of the control program of the information controller 53 is required. Subsequently, the operator selects a version-up item indicated as " Needed ", and starts version-up. In the example shown in Fig. 23, the cursor K indicated by the halftone hatching is displayed in the column of " version up ". When the " determination " function key 44f is pressed in this state, (Latest version control program) of the target controller from the storage medium 45 (step S112), and transmits the program to the target controller via the vehicle body network 50 (step S113). Subsequently, it is determined whether or not the version upgrade has been completed normally (step S114). If the determination result is YES, the process is terminated (step S115). If the determination result is NO, the processes of steps S113 and S114 are terminated Repeat. While the version up of the target controller is being performed, the CPU 28 displays on the display unit 32 that the version is up.

17, the CPU 28 transmits a download instruction signal to the information controller 53 through the vehicle body network 50, and requests the transmission of the movable data (step S121). Then, it receives the moving data from the information controller 53 through the vehicle body network 50 and transmits it to the external storage medium 45 (step S122). Then, the process is terminated (step S124). If the result of the determination is NO, the processes of steps S122 and S123 are repeated do. While the download is being performed, the CPU 28 uses the image data of the download processing acquired from the external storage medium 45 and stored in the RAM 27, and displays on the display unit 32 that the image data is being downloaded .

In the above description, only the fault diagnosis target controller item 161c of the engine controller 52 is displayed as " faulty " in the fault diagnosis item screen 160 of Fig. 21, 180), only the version up item 181b of the information controller 53 is indicated as "necessary" and the cursor K is displayed on the item and the function key 44f of "determination" However, if a plurality of items are displayed as "faulty" or "necessary", the desired item can be selected by moving the cursor K to a desired item and pressing the function key 44f .

As is apparent from the above description, in the present embodiment, the first image data stored in the image storage section 26 is the normal image 100 shown in Fig. 3, the screen of the menu screen display 1 shown in Fig. 10 The maintenance item item 121a on the screen 120 of the menu screen display 2 shown in FIG. 11, the maintenance item screen 130 shown in FIG. 18, The information displayed on the normal screen 100 and the maintenance detailed screen 140 shown in Fig. 19, including the image data for displaying the detailed screen 140, is the basic body information and stored in the external storage medium 45 The second image data includes items 121b, 121c, 121d and 121e for monitoring, failure diagnosis, version up and download on the screen 120 of the menu screen display 2 shown in Fig. 11, A monitoring screen 150, the fault diagnosis item screen 160 shown in FIG. 21, the fault shown in FIG. 22 Only the result screen 170, the information displayed on the version-up item screen 180 shown in Fig. 23, and the image data for displaying a download processing screen (not shown) This information is less frequently used.

The image storage unit (second ROM) 26 shown in Fig. 1 constitutes a first storage device for storing first image data for displaying the vehicle body basic information, and the display control processing unit Among the processing functions of steps S71 and S64 shown in FIG. 9 and the processing functions of steps S71 and S80 shown in FIG. 12 among the processing functions of step S70, Of the processing functions of the menu key 44h and the display control processing unit 30 of the CPU 28 are the same as the steps S62, S63, and S63 shown in Fig. 9, The processing function of S66 constitutes a display switching means and the external storage medium mounting section 22 constitutes an external storage medium mounting section to which the external storage medium 45 is detachably mounted, Among the processing functions as the processing function of step S65 shown in Fig. 9, , The processing functions of step S70 (S71 to S76, step S80, step S90, step S100, step S110, step S120 shown in Fig. 12) are such that the external storage medium 45 is mounted on the external storage medium mounting part 22, When the display switching means is operated, at least second image data read from the external storage medium (45) is used to constitute a second display control device for displaying less frequently used information than the vehicle body basic information.

The processing functions (processing functions of version up process and download process) in step S110 (steps S111 to S115 shown in Fig. 16) and step S120 (steps S121 to S124 shown in Fig. 17) An item 121d and an item 121e on the screen 120 of the menu screen display 2 shown in Fig. 11 and the item 121d on the screen 120 shown in Fig. 11 correspond to a processing function for performing predetermined processing among the processing functions of the second display control apparatus, The version-up items 181a to 181d in the version-up item screen 180 shown in FIG. 23 constitute a user interface for executing the predetermined process.

The processing functions (processing functions of steps S11 to S50 shown in FIG. 4) as the external storage medium interface 23 and the external storage medium connection detection processing section 29 of the CPU 28 are the same as those of the external storage medium mounting section 22, If it is detected that the external storage medium 45 is loaded in the external storage medium mounting portion 22 and the second image data read from the external storage medium 45 is detected Wherein the second display control unit is configured to store the first image data in the RAM 27 as an erasable second storage device, Information that is less frequently used than information is displayed.

(action)

<Normally>

In the normal state, the external storage medium 45 is not mounted, and the normal screen 100 shown in Fig. 3 is displayed on the display section 32 of the multi-function display device 20. [ The operator of the hydraulic excavator can recognize the basic body information of the vehicle such as the fuel remaining amount, the cooling water temperature, and the operating oil temperature by viewing the normal screen 100. The operator switches the screen of the display section 32 to the screen 110 of the menu screen display 1 shown in Fig. 10 when the menu switch 44h is pressed while the normal screen 100 is displayed (step S61 → S62 → S63 → S64). Only the maintenance menu item 111a is displayed on the screen 110 of the menu screen display 1. When the operator selects the maintenance menu item 111a by pressing the function key 44f, Item screen 130 (steps S70? S71? S80? S81). Further, by pressing one of the maintenance items 131a to 131e by pressing the function key 44f, details of the corresponding item are displayed (step S82).

&Lt; When the external storage medium 45 is mounted >

When the service source attaches the external storage medium 45 to the external storage medium mounting portion 22 of the multifunction display device 20 at the time of circulating the service source, the image data stored in the external storage medium 45 is read (Step S11? S20? S21? S22, step S11? S30? S31? S32, step S11? S40? S41? S42? S43? S44, step S11? S50? S51? S52).

Thereafter, the service source switches the screen of the display unit 32 to the screen 120 of the menu screen display 2 shown in Fig. 11 when the menu switch 44h is pressed while the normal screen 100 is displayed ( Steps S61? S62? S63? S65). Items 121a to 121e are displayed on the screen 120 of the menu screen display 2 at this time. In this state, the service source operates the function keys 44d and 44e to move the cursor K, and presses the function key 44f to select a desired item (step S70).

When the item 121a of the maintenance menu is selected, the maintenance item screen 130 is displayed (step S71? S80? S81).

When the monitoring item 121b is selected, the service person switches to the monitoring screen 150 shown in Fig. 20 (steps S71? S72? S73? S90? S91) The desired body information such as the number of the vehicle can be obtained by numerical values.

When the fault diagnosis item 121c is selected (step S71? S72? S73? S74? S100? S101), the fault diagnosis target item screen 161 (Step S102? Step S103), the service source switches the details of the failure diagnosis result, such as a failure site, to the failure diagnosis result screen 170 as shown in FIG. 22 .

When the version up item 121d is selected (step S71? S72? S73? S74? S75? S110? S111), the version up item screen 181 ) Is selected, the version of the program of the target controller such as the information controller 53 is upgraded (Step S112? S113? S114? S115).

When the download item 121e is selected, the screen is switched to a screen during download which is not shown, and the movable data stored in the information controller 53 is downloaded to the external storage medium 45 (steps S71, S72, S73, S74? S75? S120? S121? S122? S123? S124).

Thereafter, the service source removes the external storage medium 45 from the external storage medium mounting unit 22, takes it to the management office, accesses the server of the management company through the intra-company network, stores the downloaded operating data in the server do. After that, when the creation of the latest version-up program is completed, the latest version of the control program is downloaded to the external storage medium 45 and prepared for the next version-up process.

(effect)

According to the present embodiment configured as described above, the following effects can be obtained.

1. The image storage unit (second ROM) 26 of the multifunctional display device 20 stores first image data for displaying the vehicle body basic information and has a processing function as a display control processing unit 30 of the CPU 28 (Work function as the first display control device) and displays the vehicle body basic information of the hydraulic excavator (work machine) using the first image data stored in the image storage section 26 , Information on trouble diagnosis, version upgrade, download and the like is displayed using the second image data read from the external storage medium 45 (the processing function as the second display control device) The image storage section 26 (first storage device) included in the image storage section 26 may only store the first image data for displaying the vehicle body basic information, To cope with multifunctionality Various image data can be displayed.

2. The display control processing unit 30 of the CPU 28 has a processing function that has a processing function for performing predetermined processing such as version up and download and uses the second image data read from the external storage medium 45 The user interface for performing the predetermined process is displayed, so that a user interface for performing various processes such as version up and download among the limited capacity of the image storage unit 26 is displayed and the process can be performed smoothly .

3. The processing function as the external storage medium connection detecting processing unit 29 of the CPU 28 detects whether or not the external storage medium 45 is loaded in the external storage medium loading unit 22, The second image data read out from the external storage medium 45 is stored in the erasable RAM 27 and the second image data read out from the external storage medium 45 is stored in the RAM 27 as the display control processing unit 30 of the CPU 28 Since the processing function executes the processing function as the second display control apparatus by using the image data stored in the RAM 27, it is possible to use the second image data read from the external storage medium 45 Information with low frequency of use can be displayed promptly.

(Other variations)

In the above embodiment, the CPU 28 reads out the second image data from the external storage medium 45 and temporarily stores it in the RAM 27 (steps S22, S32, S44, and S52) (Step S65, step S91, step S101, step S103, step S111) and displays the predetermined image on the display unit 32 using the second image data stored in the RAM 27 The second image data read from the external storage medium 45 may be directly used for display on the display unit 32 instead of being stored in the storage unit 27. [

In the above embodiment, the menu key 44h is used as the display switching means, and the processing functions of the steps S62 and S63 shown in Fig. 9 are used. By pushing the menu key 44h, (Step S62). If it is detected that the external storage medium 45 is mounted on the external storage medium mounting portion 22, the display may be automatically switched over to the screen 120 of the menu screen display 2 good.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing the overall configuration of a control system including a multifunctional control device according to an embodiment of the present invention; FIG.

Fig. 2 is a view showing a hydraulic excavator equipped with a control system equipped with a multi-function display device according to an embodiment of the present invention; Fig.

3 is a view showing a display operation portion including a display portion of the multifunctional display device and showing a state in which a normal screen is displayed on the display portion.

4 is a flowchart showing a processing function as an external storage medium connection detecting processor of the CPU.

5 is a flowchart showing details of monitoring image data saving processing;

6 is a flowchart showing the details of the failure diagnostic image data saving process.

7 is a flowchart showing the details of the version-up image data saving processing;

8 is a flowchart showing details of download image data saving processing;

9 is a flowchart showing a processing function as a display control unit processing unit of the CPU.

10 is a diagram showing a state in which a screen of a menu screen display 1 is displayed on a display section;

11 is a diagram showing a state in which a screen of the menu screen display 2 is displayed on the display section.

12 is a flowchart showing details of menu screen processing;

13 is a flowchart showing details of maintenance menu processing;

14 is a flowchart showing the details of the monitoring process;

15 is a flowchart showing details of a failure diagnosis process;

16 is a flowchart showing details of a version-up process;

17 is a flowchart showing details of a download process;

18 is a view showing a state in which a maintenance item screen is displayed on the display unit;

19 is a diagram showing a state in which a maintenance detail screen is displayed on a display unit;

20 is a diagram showing a state in which a monitoring screen is displayed on a display unit;

21 is a diagram showing a state in which a failure diagnostic item screen is displayed on the display unit;

22 is a diagram showing a state in which a failure diagnosis result screen is displayed on the display unit;

23 is a diagram showing a state in which a version-up item screen is displayed on the display unit;

Description of the Related Art

1:

2:

3: Swing device

5: Cabin

6: Front working machine

7: Boom

8: arm

9: Bucket

10: Boom cylinder

11: arm cylinder

12: Bucket cylinder

13a and 13b:

14: Swivel motor

15: Hydraulic drive device

16: engine

20: Multifunction Display

21: input interface

22: External storage medium mounting part

23: External storage medium interface

24:

25: Program storage unit (first ROM)

26: Image storage unit (second ROM)

27: RAM

28: CPU

29: External storage medium connection detection processing unit (external storage medium detection processing apparatus)

30: Display control processing section (first and second display control apparatus)

31:

32:

41: Fuel level sensor

42: Cooling water temperature sensor

43: Operation oil temperature sensor

44: Operation key switch

50: Bodywork network

51:

52: Engine controller

53: Information controller

64: communication device

100: Normal screen

110: Menu screen (display 1)

120: Menu screen (display 2)

130: Maintenance Item Screen

140: Maintenance Detail Screen

150: Monitoring screen

160: Fault diagnosis screen

170: Fault diagnosis result screen

180: Version Up Item Screen

Claims (5)

A multi-function display device mounted on a working machine, A first storage device for storing first image data for displaying basic body information of a work machine; A first display control device for displaying the body basic information of the working machine using the first image data, Display switching means, An external storage medium mounting portion in which an external storage medium is detachably mounted; Wherein when the external storage medium is mounted on the external storage medium mounting portion and the display switching means is operated, at least the second image data read from the external storage medium is used to set the information less frequently used than the vehicle body basic information And a second display control device for displaying, And a control section that detects whether or not the external storage medium is mounted on the external storage medium mounting section and, when it is detected that the external storage medium mounting section is mounted on the external storage medium mounting section, 2 external storage medium connection detection processing device for storing the data in the storage device, Wherein the second display control device displays information having a frequency of use less than the vehicle body basic information by using the second image data stored in the second storage device. The image display apparatus according to claim 1, wherein the second display control device includes a processing function for performing a predetermined process, and the second display control device displays the use frequency of the second basic image data, which is displayed using the second image data read from the external storage medium And the low-level information includes a user interface for executing the predetermined processing. The apparatus according to claim 1, wherein the second display control device includes a version-up function for downloading a version-up program stored in the external storage medium and upgrading one or more controllers mounted on the worker, Characterized in that the information having lower frequency of use than the body basic information displayed using the second image data read from the external storage medium includes a user interface for executing the version up function. . The information processing apparatus according to claim 1, wherein the second display control device comprises: a display function of displaying information having lower frequency of use than the body basic information by using the second image data; And the downloading function for downloading the vehicle body information stored in the external storage medium to the external storage medium, wherein the information having lower frequency of use than the vehicle body basic information displayed using the second image data read from the external storage medium, And a user interface for executing a download function. delete

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