JP2016082948A - Mobile vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mobile vehicle equipped with a display for displaying information of more convenient information.SOLUTION: A tractor 1 activates an implement on the basis of a control by a control device 3. The tractor is equipped with a display 2 in the vicinity of a driving seat 161, and the display 2 displays the operation state of the implement and the set state of the control by the control device 3. In the case where an abnormality occurs, on the other hand, the display 2 displays a warning prior to the operation state and the set state. Moreover, the display 2 has an encoder dial 22 for adjusting the set state, an enter button 23, and command buttons 24, 25, 26, 27 and 28.SELECTED DRAWING: Figure 8

Description

  The present invention relates to a work vehicle, and more particularly, to a work vehicle provided with a display.

  Conventionally, a tractor which is a typical work vehicle is known (see Patent Document 1). The tractor works the farm field using a work machine. There is also known a work vehicle including a display device arranged in the vicinity of a driver seat (see Patent Document 2). According to the work vehicle provided with such a display device, the operator can confirm a detailed work situation.

  On the other hand, there has been a demand for a work vehicle equipped with a device for displaying more convenient information. For example, there has been a demand for a work vehicle capable of confirming the operating state of the work implement based on the control setting state. There has also been a demand for a work vehicle that can appropriately set the operating conditions of the work implement.

JP 2014-73136 A JP 2013-183709 A

  An object of this invention is to provide the working vehicle provided with the display which displays more convenient information.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

  According to a first aspect of the present invention, in the work vehicle that operates the work machine based on the control by the control device, the display includes a display in the vicinity of the driver's seat, and the display depends on the operating state of the work machine and the control device. The control setting state is displayed.

  According to a second aspect of the present invention, in the work vehicle according to the first aspect, when an abnormality occurs, the display gives priority to display a warning over the operating state and the set state. is there.

  According to a third aspect of the present invention, in the work vehicle according to the first or second aspect, the display has an operation unit for adjusting the set state.

  As effects of the present invention, the following effects can be obtained.

  According to the invention which concerns on Claim 1, a display displays the operating state of a working machine, and the setting state of control by a control apparatus. In this way, the display displays more convenient information. Further, the operator can confirm the operating state of the work machine based on the control setting state by the display. Therefore, the operator can appropriately set the operating condition of the work machine.

  According to the invention of claim 2, when an abnormality occurs, the display gives priority to displaying the warning over the operating state and the set state. In this way, the display displays information that contributes to improving safety. That is, the operator can confirm the operating state of the work implement based on the control setting state and a warning including an abnormality in the operating state.

  According to the invention which concerns on Claim 3, a display has an operation part for adjusting a setting state. Thus, the operator can easily adjust the setting state while looking at the display.

It is a perspective view of a tractor. It is the figure seen from the arrow X of FIG. It is the figure seen from the arrow Y of FIG. It is the figure seen from the arrow Z of FIG. It is a figure which shows the driver's seat of a tractor, and its periphery. It is a figure which shows an operator's visual field. It is a figure which shows the information network of a tractor. It is a figure which shows a display. It is a figure which shows the control system regarding a display. It is a block diagram which shows schematic structure of a remote monitoring system. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display. It is a figure which shows the screen displayed on the display.

  The technical idea of the present invention can be applied to any work vehicle. In the present application, description will be made using a tractor which is a typical work vehicle.

  First, the tractor 1 will be briefly described.

  FIG. 1 shows a tractor 1. 2 is a view as seen from the arrow X in FIG. 1, and FIG. 3 is a view as seen from the arrow Y in FIG. FIG. 4 is a view seen from the arrow Z in FIG. In addition, in the figure, the front-back direction, the left-right direction, and the up-down direction of the tractor 1 are represented.

  The tractor 1 mainly includes a frame 11, an engine 12, a transmission 13, a front axle 14, and a rear axle 15. Further, the tractor 1 includes a cabin 16. The cabin 16 has a cockpit inside, and an accelerator pedal 162 and a shift lever 163 are arranged in addition to the driver's seat 161 (see FIG. 5).

  The frame 11 forms a skeleton at the front portion of the tractor 1. The frame 11 constitutes the chassis of the tractor 1 together with the transmission 13 and the rear axle 15. The engine 12 described below is supported by the frame 11.

  The engine 12 converts thermal energy obtained by burning fuel into kinetic energy. That is, the engine 12 generates rotational power by burning fuel. The engine 12 is connected to an engine control device (not shown). When the operator operates the accelerator pedal 162 (see FIG. 5), the engine control device changes the operating state of the engine 12 according to the operation. Further, the engine 12 is provided with an exhaust purification device 12E. The exhaust purification device 12E oxidizes particulates, carbon monoxide, hydrocarbons, etc. contained in the exhaust.

  The transmission 13 transmits the rotational power of the engine 12 to the front axle 14 and the rear axle 15. The rotational power of the engine 12 is input to the transmission 13 via a coupling mechanism. The transmission 13 is provided with a continuously variable transmission (not shown). When the operator operates the shift lever 163 (see FIG. 5), the continuously variable transmission changes the operating state of the transmission 13 according to the operation. The transmission 13 includes a continuously variable transmission, a forward / reverse switching device, and an auxiliary transmission (not shown).

  The front axle 14 transmits the rotational power of the engine 12 to the front tire 141. The rotational power of the engine 12 is input to the front axle 14 via the transmission 13. The front axle 14 is provided with a steering device (not shown). When the operator operates the handle 164 (see FIG. 5), the steering device changes the steering angle of the front tire 141 according to the operation.

  The rear axle 15 transmits the rotational power of the engine 12 to the rear tire 151. The rotational power of the engine 12 is input to the rear axle 15 via the transmission 13. The rear axle 15 is provided with a PTO output device (not shown). When the operator operates the PTO switch 165 (see FIG. 5), the PTO output device transmits rotational power to the working machine to be pulled according to the operation. The rear axle 15 is provided with a link mechanism (not shown). A work machine such as a rotary is connected to the link mechanism.

  Further, the tractor 1 includes a headlamp 18 and a work lamp 19 so that it can run and work at night. The headlamp 18 is provided on the front surface of the bonnet 17 that covers the engine 12. The headlamp 18 is composed of a pair of high beam units arranged in the upper stage and a pair of low beam units arranged in the lower stage. A pair of work lights 19 are provided on the upper front surface of the cabin 16 and a pair on the upper rear surface. The work lamp 19 improves workability by illuminating the vicinity of the tractor 1 when working.

  Further, the tractor 1 includes a shaft (hereinafter referred to as “PTO shaft”) for inputting rotational power to the work machine (not shown). Further, the tractor 1 includes a clutch (hereinafter referred to as “PTO clutch”) that switches the PTO shaft to a rotating state or a stopped state (not shown).

  Next, the cockpit of the tractor 1 will be described.

  FIG. 5 shows the driver seat 161 and its surroundings. FIG. 6 shows the field of view of the operator.

  As described above, the cabin 16 has a cockpit inside, and an accelerator pedal 162 and a shift lever 163 are arranged in addition to the driver's seat 161. Around the driver's seat 161, there are a brake pedal 166, a clutch pedal 167, a reverser lever 168, a speed dial 169, an instrument panel 170, a control panel 171, a speed change lever (not shown), and an elevating dial (not shown). A lift switch 174 and the like are arranged. The operator can operate the tractor 1 by operating the accelerator pedal 162 and the shift lever 163 while sitting on the driver's seat 161. Note that when the operator operates the shift lever 163, the auxiliary transmission is activated (not shown). Then, the rotational power is transmitted according to the operation position of the shift lever 163 (any one of “ultra-low speed”, “first speed”, and “second speed” positions).

  Further, the tractor 1 includes the display 2 in the vicinity of the driver seat 161. The display 2 is disposed on the right front side of the driver seat 161 so that the operator can operate with the right hand. Hereinafter, the information network of the tractor 1 will be briefly described, and the display 2 and a control system related to the display 2 will be described.

  FIG. 7 shows an information network of the tractor 1. FIG. 8 shows the display 2. FIG. 9 shows a control system related to the display 2.

  The tractor 1 is provided with information networks in various places so that the maximum performance can be exhibited. Specifically, in addition to the engine 12, the transmission 13, the instrument panel 170, the control panel 171, and the display 2 constitute a controller area network (CAN) that can share information with each other.

  In the tractor 1, the display 2 is arranged on the side console (see FIGS. 5 and 6). The display 2 has a liquid crystal panel 21, an encoder dial 22, and an enter button 23. The display 2 has five command buttons 24, 25, 26, 27, and 28. The encoder dial 22, the enter button 23, and the five command buttons 24, 25, 26, 27, and 28 are examples of operation units, respectively.

  The liquid crystal panel 21 is provided in the center of the front surface of the display 2. The liquid crystal panel 21 can display a predetermined screen based on an instruction from the control device 3. For example, the liquid crystal panel 21 can display the opening screen S <b> 1 based on an instruction from the control device 3. In addition, the liquid crystal panel 21 can display other screens based on instructions from the control device 3. The liquid crystal panel 21 may be a so-called touch panel.

  The encoder dial 22 is provided on the right side of the upper surface of the display 2. The encoder dial 22 can transmit the operator's intention to scroll the tab or traverse the highlight to the control device 3 when selecting the element displayed on the liquid crystal panel 21. For example, the encoder dial 22 can transmit the operator's intention to scroll the tab to the control device 3 when selecting a displayed number or English character. Further, the encoder dial 22 can transmit the operator's intention to traverse highlights to the control device 3 when selecting the displayed icon.

  The enter button 23 is provided integrally with the encoder dial 22. The enter button 23 can transmit to the control device 3 the operator's intention that one of the elements displayed on the liquid crystal panel 21 has been determined. For example, the enter button 23 can transmit the operator's intention to the effect that the number or letter has been determined among the displayed numbers or letters to the control device 3. In addition, the enter button 23 can transmit the operator's intention to the effect that the one of the displayed icons has been determined to the control device 3. In the display 2, the enter button 23 has a structure in which the encoder dial 22 itself is pushed, but may have a structure in which a push button is provided on the upper end surface of the encoder dial 22.

  The command buttons 24, 25, and 26 are provided on the upper front portion of the display 2. The command buttons 24, 25, and 26 can transmit an operator's intention to switch to another screen to the control device 3 when a predetermined screen is displayed on the liquid crystal panel 21. For example, the command buttons 24 and 25 can transmit the operator's intention to switch to the shortcut screen to the control device 3 when the home screen S4 is displayed on the liquid crystal panel 21. Further, the command button 26 can transmit the operator's intention to switch to the home screen S4 to the control device 3 when the customization screen S11 is displayed on the liquid crystal panel 21.

  A command button 27 is also provided at the upper front of the display 2. Specifically, it is provided at a position adjacent to the command button 26. As with the enter button 23, the command button 27 can transmit the operator's intention to the effect that the one element has been determined to the control device 3. For example, the command button 27 can transmit the operator's intention to the effect that the number or letter has been determined among the displayed numbers or letters to the control device 3. Further, the command button 27 can transmit the operator's intention to the effect that the one of the displayed icons has been determined to the control device 3. Further, the command button 27 can transmit the operator's intention to store the setting items to the control device 3.

  A command button 28 is also provided at the upper front of the display 2. Specifically, it is provided at a position adjacent to the command button 27. The command button 28 can transmit the operator's intention to return to the previous screen to the control device 3 when a predetermined screen is displayed on the liquid crystal panel 21. For example, the command button 28 can transmit the operator's intention to return to the home screen S4 to the control device 3 when the customization screen S11 is displayed on the liquid crystal panel 21. Further, the command button 28 can transmit the operator's intention to return to the customization screen S11 to the control device 3 when the switch setting screens S12 and S13 are displayed on the liquid crystal panel 21.

  By the way, the control apparatus 3 of this tractor 1 can set a control aspect for every control object. That is, the control device 3 can set the control mode for each control target such as a constant speed clutch, a speed increasing clutch, an elevating actuator, and a tilting actuator. The constant speed clutch and the speed increasing clutch are included in the continuously variable transmission. The elevating actuator and the tilting actuator are included in the link mechanism.

  The control device 3 includes a processing unit 30 and a storage unit 31. The processing unit 30 includes a microcomputer such as a CPU (Central Processing Unit).

  The storage unit 31 includes a memory such as a ROM (Random Access Read Only Memory) that cannot be rewritten, a volatile memory such as a RAM (Random Access Memory), a hard disk drive, and a flash memory. Information such as programs and maps is stored in the storage unit 31. The processing unit 30 can execute a program stored in the ROM after reading the program on the RAM. Moreover, the memory | storage part 31 can memorize | store and preserve | save the control aspect set for every control object.

  In addition, the control system of the tractor 1 has a switch 4 as an operation tool (see FIG. 6). In the tractor 1, the switch 4 is disposed on the handle column. The switch 4 can transmit the operator's intention to switch to the set control mode all at once to the control device 3. In other words, the control device 3 is programmed to switch to the set control mode all at once when the operator presses the switch 4.

  With such a configuration, the control device 3 can store the control mode set for each control target, and is set again to the “ON” state after the operator sets the switch 4 (operation tool) to the “OFF” state. Control is performed based on the control mode. As a result, the tractor 1 (work vehicle) always switches to the set control mode when the operator places the operating tool in the “ON” state. Therefore, the tractor 1 (work vehicle) does not require resetting of the control mode, so that operability is improved.

  Furthermore, the control device 3 of the tractor 1 can adjust the control mode for each control target. For example, the control device 3 can adjust the response characteristics of the continuously variable transmission. If it demonstrates concretely, the control apparatus 3 can adjust the acceleration characteristic at the time of start. Since the control apparatus 3 has the memory | storage part 31, it can memorize | store and preserve | save such adjustment content.

  Later, as an example, an operation method for adjusting the acceleration characteristics at the time of starting will be described, and an operation method for saving the adjustment contents will be described (see FIG. 19). In addition, an operation method for reproducing stored adjustment contents will be described. Here, “reproduction” refers to reading saved adjustment contents into an execution state.

  In addition, the tractor 1 can store adjustment contents in an external memory (such as a USB memory). That is, the display 2 is provided with a port of the control device 3, and the adjustment contents can be stored in the external memory 32 inserted into the port.

  Next, an example in which the remote monitoring system is applied to the tractor 1 will be described.

  FIG. 10 shows a schematic configuration of a remote monitoring system 10 for remotely monitoring the tractor 1. The remote monitoring system 10 is provided in each of a remote monitoring device (management server) 5, one or more user terminal devices 6 connected to the remote monitoring device 5 via a network 7, and one or more tractors 1. And a remote monitoring terminal device 4 connected to the remote monitoring device 5 via a communication network 8.

  The remote monitoring device 5 is installed in a remote monitoring center located far away from the tractor 1 and stores (accumulates) the operating state and work plan of the tractor 1. The remote monitoring device 5 is connected to a user terminal device 6 such as a personal computer, a tablet computer, or a mobile terminal via a network such as a LAN (Local Area Network) or the Internet. The information stored in the remote monitoring device 5 is read by the remote monitoring terminal device 4 and used by the operator, and is read by the user terminal device 6 and is read by the owner of the tractor 1 or a user such as a dealer. It has come to be used.

  The remote monitoring terminal device 4 and the remote monitoring device 5 are connected to each other via a communication network 8 so that information can be transmitted and received between the remote monitoring terminal device 4 and the remote monitoring device 5. It is possible. Accordingly, the tractor 1 can be remotely monitored at the remote monitoring center, or the operator can read the information stored in the remote monitoring device 5 with the tractor 1 and check it.

  The remote monitoring device 5 is, for example, a desktop personal computer. The remote monitoring device 5 may be a notebook personal computer.

  By using the remote monitoring system 10 to allow an operator to determine and operate operator information and work implement information using the tractor 1, it is necessary for the operator or the like to manually input the operator name and work implement name later in the daily work report. Disappear.

  Furthermore, the tractor 1 can adjust the height position of the work implement with the laser beam emitted horizontally as a reference plane. And the tractor 1 can set the tolerance | permissible_range with respect to a reference plane regarding the height position of a working machine, and the deviation | shift amount of a tolerance | permissible_range.

  The tractor 1 is a power mode control that increases the rotational speed of the engine 12 (this is referred to as “engine rotational speed”) when the load applied to the rotary is large, and an eco that reduces the engine rotational speed when the load applied to the rotary is small. Mode control can be executed. In addition, the tractor 1 can execute control (this is referred to as “anti-stall control”) that reduces the traveling speed when the load applied to the rotary increases. Information relating to power mode control, eco mode control, and anti-stall control is included in information such as programs and maps.

  Next, the screen displayed on the display 2 will be described.

  11 to 35 show screens displayed on the display 2. However, each screen in each figure simply represents only the part necessary for the description of the present invention.

  First, an opening screen S1 is displayed on the display 2 (see FIG. 11). On the opening screen S1, a symbol mark Sm is displayed near the center. The symbol mark Sm is a design symbolizing the supplier manufacturer. The symbol mark Sm floats on a black background image and gives a strong impression to the operator.

  Next, the lock release screen S2 is displayed on the display 2. On the unlock screen S2, four scroll boxes for entering the password are displayed in a horizontal row. Any one of these scroll boxes selected is highlighted. Each scroll box can scroll numbers from 0 to 9 or English letters from A to F. The operator can select a number or alphabet by turning the encoder dial 22 and press the enter button 23 to determine.

  In the unlock screen S2, it is possible to select numbers or letters by pressing the command buttons 25 and 26 and to determine by pressing the command button 27. The decision can also be canceled by pressing the command button 28. In addition, if the password is wrong, a message to that effect is displayed. On the unlock screen S2, a dialog box in which the name of the operator is written and a dialog box in which the work schedule is written are displayed. The operator can grasp his / her work schedule from these dialog boxes.

  If the password is entered incorrectly on the unlock screen S2, the guidance screen S3 is displayed. The guidance screen S3 is a screen for notifying an incorrect input of a password. When the guidance screen S3 is displayed for a predetermined time, the screen returns to the original unlock screen S2. The operator can input the password again on the unlock screen S2. When the correct password set is entered, the screen moves to the next screen. On the other hand, every time a password is entered incorrectly on the unlock screen S2, a guidance screen S3 is displayed. If an erroneous input is repeated 10 times on the unlock screen S2, a warning sound is generated.

  Next, the home screen S4 is displayed on the display 2 (see FIG. 12). On the home screen S4, eight icons for selecting a menu are displayed in two rows. For each icon, one of the selected icons is highlighted. The highlight is traversed according to the rotation of the encoder dial 22. The operator can determine by selecting the desired icon by turning the encoder dial 22 and pressing the enter button 23.

  On the home screen S4, any of the eight icons cannot be selected by pressing a command button (any one of 24, 25, 26, 27, and 28), but is determined by pressing the command button 27. Can do. Further, when the command button 28 is pressed, the screen can return to the unlock screen S2. In addition, when the button labeled “Previous Page” or the button labeled “Next Page” is selected and determined, the screen is switched to another home screen S5. Icons that cannot be selected are grayed out.

  Next, it is assumed that a button labeled “Previous Page” or a button labeled “Next Page” is selected and determined on the home screen S4.

  On the display 2, another home screen S5 is displayed. Also on the home screen S5, as with the home screen S4, eight icons for selecting menus are displayed in two upper and lower rows. For each icon, one of the selected icons is highlighted. The highlight is traversed according to the rotation of the encoder dial 22. The operator can determine by selecting the desired icon by turning the encoder dial 22 and pressing the enter button 23.

  In the home screen S5, as in the home screen S4, any of the eight icons cannot be selected by pressing a command button (any one of 24, 25, 26, 27, and 28). It can be determined by pressing button 27. Further, when the command button 28 is pressed, the screen can return to the unlock screen S2. In addition, when the button labeled “Previous Page” or the button labeled “Next Page” is selected and determined, the screen is switched to the home screen S4.

  Here, the registration method to the “free 1” icon or the “free 2” icon will be briefly described by taking the registration to “free 1” as an example. First, when the command button 24 corresponding to the “free 1” icon is pressed long (for example, 3 seconds), the screen changes to a registration screen (not shown). Then, by operating the encoder dial 22 on the registration screen to select a desired icon and pressing the enter button 23, the icon is registered as the “free 1” icon, and the icon is changed to “free 1”. Is displayed.

  Next, it is assumed that an icon marked “tractor information” is selected, selected and determined on the home screen S4.

  A tractor information screen S6 is displayed on the display 2 (see FIG. 13). On the tractor information screen S6, eight icons for selecting menus are displayed in two rows. For each icon, one of the selected icons is highlighted. The highlight is traversed according to the rotation of the encoder dial 22. The operator can determine by selecting the desired icon by turning the encoder dial 22 and pressing the enter button 23.

  In the figure, icons of traveling speed, traveling speed, slip ratio, and total traveling distance by GPS (Global Positioning System) observation are displayed from the top to the bottom on the left side. Further, from the top to the bottom of the right side, icons of A mode traveling speed and engine rotational speed, B mode traveling speed and engine rotational speed, engine load factor, and engine rotational speed are displayed.

  Further, the operator can appropriately change the display content of the tractor information screen S6. Specifically, the eight icons displayed on the tractor information screen S6 can be changed as appropriate.

  Here, the icon representing the “total travel distance” at the lowest position on the left side is selected and determined.

  A change confirmation screen S7 is displayed on the display 2. On the change confirmation screen S7, a description for confirming the change of the display content and two icons are displayed. For each icon, one of the selected icons is highlighted. The highlight is traversed according to the rotation of the encoder dial 22. The operator can determine by selecting the desired icon by turning the encoder dial 22 and pressing the enter button 23.

  Here, the icon marked “YES” is selected and determined. When the icon marked “NO” is selected and determined, the process returns to the tractor information screen S6.

  Next, an item selection screen S8 is displayed on the display 2. In the item selection screen S8, eight icons for selecting an item to be displayed are displayed instead of the item “total travel distance”. For each icon, one of the selected icons is highlighted. The highlight is traversed according to the rotation of the encoder dial 22. The operator can determine by selecting the desired icon by turning the encoder dial 22 and pressing the enter button 23.

  In the figure, the item “engine load factor” is selected and highlighted. In addition, the same items as the eight items displayed on the tractor information screen S6 are shown. In addition to the eight items, the information items of the tractor 1 displayed on the tractor information screen S6 include PTO rotation speed, instantaneous fuel consumption, lift position, tilt angle, cylinder position for horizontal control, remaining work time, total Fuel consumption, odometer, trip meter, cooling water temperature, battery voltage, engine speed increase range in power mode control, engine speed decrease range in eco mode control, travel speed decrease rate in anti-stall control, work Contents and workers are included.

  When the command button 28 is pressed on the item selection screen S8, the screen can return to the tractor information screen S6. In addition, when the button labeled “Previous Page” or the button labeled “Next Page” is selected and determined, the screen is switched to another item selection screen (not shown). In another item selection screen, other items of the eight items are displayed. In the tractor 1, three types of item selection screens are provided.

  Here, the icon representing “engine speed” is selected and determined.

  An item confirmation screen S9 is displayed on the display 2 (see FIG. 14). On the item confirmation screen S9, a word for confirming the selected item and two icons are displayed. For each icon, one of the selected icons is highlighted. The highlight is traversed according to the rotation of the encoder dial 22. The operator can determine by selecting the desired icon by turning the encoder dial 22 and pressing the enter button 23.

  Here, the icon marked “YES” is selected and determined. If the icon marked “NO” is selected and determined, the process returns to the item selection screen S8.

  Next, the tractor information screen S10 is displayed on the display 2. As with the tractor information screen S6, the tractor information screen S10 also displays eight icons for selecting menus in the upper and lower rows. For each icon, one of the selected icons is highlighted. The highlight is traversed according to the rotation of the encoder dial 22. The operator can determine by selecting the desired icon by turning the encoder dial 22 and pressing the enter button 23.

  In the figure, from the top to the bottom of the left side, icons of traveling speed, traveling speed, slip ratio, and total fuel consumption by GPS observation are displayed. In addition, from the upper right side to the lower side, icons of a lift position, an inclination angle, a cylinder position for horizontal control, and an engine rotation speed are displayed.

  Thus, on the tractor information screen S8, the display content can be changed as appropriate by changing the eight icons as appropriate. The tractor information screen S10 is a screen in which items displayed from the tractor information screen S8 are changed.

  Next, on the home screen S4, an icon labeled “tractor setting” is selected and determined.

  A customization screen S11 is displayed on the display 2 (see FIG. 15). On the customization screen S11, eight icons for selecting menus are displayed in two columns on the left and right. For each icon, one of the selected icons is highlighted. The highlight is traversed according to the rotation of the encoder dial 22. The operator can determine by selecting the desired icon by turning the encoder dial 22 and pressing the enter button 23.

  In the customization screen S11, any of the eight icons cannot be selected by pressing a command button (any one of 24, 25, 26, 27, and 28), but is determined by pressing the command button 27. Can do. In addition, when the command button 28 is pressed, it is possible to return to the home screen S4. In addition, when a button labeled “Previous Page” or a button labeled “Next Page” is selected and determined, the screen is switched to another customization screen S28 (see FIG. 22). Icons that cannot be selected are grayed out (not shown).

  Next, it is assumed that the icon marked “Automatic switch setting 1” on the customization screen S11 is selected and determined. A switch setting screen S12 is displayed on the display 2 (see FIG. 15).

  Next, it is assumed that the icon marked “Automatic switch setting 2” on the customization screen S11 is selected and determined. On the display 2, a switch setting screen S13 is displayed.

  By using the switch setting screens S12 and S13, the operator can create a control type according to the state of the farmland or the work content. For example, it is possible to create a control type suitable for tillage work on a certain farmland. In addition, it is possible to create a control type suitable for a standing work on a certain farmland. The operator can select one control type from among a plurality of control types.

  In the switch setting screens S12 and S13, the control type cannot be selected by pressing the command button (any one of 24, 25, 26, 27, and 28), but is determined by pressing the command button 27. I can. Further, when the command button 28 is pressed, the customization screen S11 can be returned.

  Next, a case is assumed where an icon written as “elevation interlocking PTO” on the customization screen S11 is selected and determined.

  The display 2 displays a lift interlocking customization screen S14 (see FIG. 16). The elevation interlocking customization screen S14 is a screen for selecting whether or not to execute control for automatically raising the link mechanism after the rotation of the PTO shaft is stopped. Further, the elevation interlocking customization screen S14 is a screen for adjusting the time from when the rotation of the PTO shaft stops until the link mechanism starts to rise. In addition, the elevation interlock customization screen S14 adjusts the height of the rotary at which the rotation of the PTO shaft stops in the control to automatically stop the rotation of the PTO shaft after the rotation of the PTO shaft stops and the link mechanism rises. It is a screen.

  When the command button 28 is pressed on the elevation interlocking customization screen S14, the customization screen S11 can be returned.

  Next, it is assumed that an icon marked “turning up” on the customization screen S11 is selected and determined.

  The display 2 displays a turning interlocking customization screen S15. The turning interlocking customization screen S15 is a screen for adjusting the response speed of the control for raising the rotary during turning.

  When the command button 28 is pressed on the turn interlocking customization screen S15, the customization screen S11 can be returned to. Furthermore, when the button labeled “Previous Page” or the button labeled “Next Page” is selected and determined, the screen switches to another swivel interlocking customization screen (not shown).

  Next, it is assumed that an icon marked “horizontal control” on the customization screen S11 is selected and determined. Here, “horizontal control” refers to automatic rotary tilt control.

  On the display 2, a horizontal control customization screen S16 (see FIG. 17) is displayed. In the horizontal control customization screen S16, the response speed (automatic sensitivity) for the lifting / lowering operation of the rotary can be determined.

  When the command button 28 is pressed on the horizontal control customization screen S16, the screen can return to the customization screen S11.

  Next, it is assumed that the button labeled “next page” on the horizontal control customization screen S16 is selected and determined.

  On the display 2, another horizontal control customization screen S17 is displayed. In this horizontal control customization screen S17, the response speed (horizontal control sensitivity) for the rotary operation of the rotary can be determined.

  When the command button 28 is pressed on the horizontal control customization screen S17, it is possible to return to the customization screen S11. Further, when the button labeled “Previous Page” is selected and determined, the screen can return to the horizontal control customization screen S16.

  Next, it is assumed that the button labeled “next page” on the horizontal control customization screen S17 is selected and determined.

  On the display 2, another horizontal control customization screen S18 is displayed. On the horizontal control customization screen S18, the rotary descending speed (squeezing speed) can be determined.

  When the command button 28 is pressed on the horizontal control customization screen S18, it is possible to return to the customization screen S11. Further, when the button labeled “Previous Page” is selected and determined, the screen can return to the horizontal control customization screen S17. When the button labeled “next page” is selected and determined, the screen can return to the horizontal control customization screen S16.

  Next, it is assumed that the icon labeled “travel” on the customization screen S11 is selected and determined.

  A travel customization screen S19 is displayed on the display 2 (see FIG. 18). On the travel customization screen S19, the acceleration characteristic can be adjusted for each operation position of the shift lever 163 (positions of “ultra-low speed”, “first speed”, “second speed”).

  When the command button 28 is pressed on the travel customization screen S19, the screen can return to the customization screen S11. Further, when the button labeled “Previous Page” or the button labeled “Next Page” is selected and determined, the screen is switched to another travel customization screen S20.

  Here, it is assumed that the button labeled “next page” on the travel customization screen S19 is selected and determined.

  On the display 2, a travel customization screen S20 is displayed. In the travel customization screen S20, it is possible to select whether or not accelerator-linked travel is permitted for each operation position of the shift lever 163 (in the present tractor 1, the positions of “ultra low speed” and “first speed”).

  When the command button 28 is pressed on the travel customization screen S20, the screen can return to the customization screen S11. Furthermore, when the button labeled “Previous page” is selected and determined, the display can return to the travel customization screen S19. When the button labeled “Next Page” is selected and determined, the screen switches to another travel customization screen (not shown).

  Next, an operation method for saving the adjustment contents and an operation method for reproducing the saved adjustment contents will be described.

  The operator needs to select and determine the icon marked “Memory” on the customization screen S11.

  Then, the internal memory operation screen S21 is displayed on the display 2 (see FIG. 19). In the internal memory operation screen S21, two icons are displayed on the left and up and down. In the internal memory operation screen S21, two icons are displayed on the right side and above.

  The icon labeled “Memory 1” is a portion where one storage area of the storage unit 31 can be selected. The icon labeled “Memory 2” is a portion where the other storage area of the storage unit 31 can be selected.

  The icon marked “Read” is a part that can instruct the reproduction of the adjustment content stored in the storage unit 31. The icon marked “memory” is a part that can instruct the storage unit 31 to save the adjustment contents.

  In the internal memory operation screen S21, the storage destination or reference destination of the adjustment contents can be determined by the two icons on the left side. In addition, with the two icons on the right side, it is possible to instruct the reproduction by reading the adjustment content or to save the adjustment content.

  When the command button 28 is pressed on the internal memory operation screen S21, the screen can return to the customization screen S11. Further, when the button labeled “Previous Page” or the button labeled “Next Page” is selected and determined, the screen is switched to another internal memory operation screen (not shown).

  In addition, the tractor 1 can erase all information from the storage unit 31 of the control device 3. That is, in the tractor 1, the control device 3 can be initialized. Here, “information” refers to all information including date, date, and adjustment contents.

  Below, the operation method for initializing the control apparatus 3 is demonstrated.

  The operator needs to select and determine the icon labeled “Initialization” on the customization screen S11. Then, an initialization screen S22 is displayed on the display 2. In the initialization screen S22, it is possible to instruct deletion of all information from all storage areas of the storage unit 31. That is, it can be returned to the shipping state.

  Next, it is assumed that an icon marked “engine automatic control” on the home screen S4 is selected and determined (see FIG. 20).

  On the display 2, an engine automatic control screen S23 is displayed. The engine automatic control screen S23 is for setting an increase range of the engine rotation speed in the power mode control, a decrease range of the engine rotation speed in the eco mode control, and a decrease rate of the traveling speed when the load applied to the rotary increases. This is the screen.

  On the engine automatic control screen S23, four boxes are displayed in a vertical line. One of the selected boxes is highlighted. The highlight is traversed according to the rotation of the encoder dial 22. The operator can determine by selecting any of the four boxes by turning the encoder dial 22 and pressing the enter button 23.

  In the engine automatic control screen S23, four boxes cannot be selected by pressing a command button (any one of 24, 25, 26, 27, and 28), but it is determined by pressing the command button 27. it can. In addition, when the command button 28 is pressed, it is possible to return to the home screen S4.

  Next, it is assumed that an icon marked “power tread” on the home screen S4 is selected and determined.

  A tread adjustment screen S24 is displayed on the display 2 (see FIG. 21). The tread adjustment screen S24 is a screen for selecting a tread for the rear tire 151. On the tread adjustment screen S24, the tread value (unit: millimeter (mm)) of the rear tire 151 is displayed with icons indicating “1200”, “1260”, “1320”, “1380”, “1440”, “1500”. Has been. The tread of the rear tire 151 is adjusted to one of these values. Note that an icon highlighted in orange indicates that the actual tread value is “1320”.

  These six icons are highlighted in blue so you can see that they are selected. The blue highlight is traversed according to the rotation of the encoder dial 22. The operator can determine by selecting the desired icon by turning the encoder dial 22 and pressing the enter button 23. Then, the operator selects and determines an icon marked “Adjustment start”. Then, a hydraulic cylinder operates and a tread is adjusted (not shown).

  When the tread adjustment is completed, that is, when the tread is adjusted to the selected and determined value, the display 2 displays another tread adjustment screen S25. The tread adjustment screen S25 is a screen for guiding the tread adjustment of the front tire 141.

  When the button labeled “Previous Page” is selected and determined on the tread adjustment screen S25, the screen returns to the tread adjustment screen S24. By returning to the tread adjustment screen S24, the operator can redo the tread adjustment of the rear tire 151.

  Next, a description will be given of the case where the button marked “next page” is selected and determined on the tread adjustment screen S25.

  Still another tread adjustment screen S26 is displayed on the display 2. The tread adjustment screen S26 is a screen for guiding the adjustment of the length of the cutting angle stopper bolt. The length of the cutting angle stopper bolt needs to be adjusted to correspond to the tread of the front tire 141. The steering angle range of the front tire 141 is set according to the length of the turning angle stopper bolt.

  The pair of rear tires 151 may be configured to adjust the tread by making one wheel independent. In this case, when the icon marked “power tread” on the home screen S4 is selected and determined, the tread adjustment screen S27 is displayed on the display 2. The tread adjustment screen S27 is a screen for adjusting one wheel independently.

  Next, it is assumed that the icon “display setting” on the home screen S4 is selected and determined (see FIG. 12).

  A customization screen S28 is displayed on the display 2 (see FIG. 22). The customization screen S28 is a screen for adjusting the settings of the display 2.

  On the customization screen S28, two icons are displayed on the left and up and down, and two icons are displayed on the right and up and down. Any one of the four icons selected is highlighted. The highlight is traversed according to the rotation of the encoder dial 22. The operator can determine by selecting the desired icon by turning the encoder dial 22 and pressing the enter button 23.

  In the customization screen S28, an icon cannot be selected by pressing a command button (any one of 24, 25, 26, 27, and 28), but can be determined by pressing the command button 27. In addition, when the command button 28 is pressed, it is possible to return to the home screen S4. Icons that cannot be selected are grayed out (not shown).

  Here, it is assumed that an icon marked “brightness setting” on the customization screen S28 is selected and determined.

  On the display 2, a brightness setting screen S29 is displayed. On the brightness setting screen S29, the brightness (brightness) of the liquid crystal panel 21 can be set. On the brightness setting screen S29, a slide bar is displayed in which one end side is in a direction in which the screen brightness is reduced and the other end side is in a direction in which the brightness is increased. In addition, a value (unit:%) indicating the brightness of the screen is displayed on the right side of the slide bar. The length of the slide bar indicator (outlined portion) corresponds to the luminance.

  The operator can determine by extending or shortening the indicator by turning the encoder dial 22 and pressing the enter button 23.

  In the lower dialog box, the operation method is described. When the command button 28 is pressed, it is possible to return to the customization screen S28.

  Next, it is assumed that an icon marked “date / time setting” on the customization screen S28 is selected and determined.

  A date and time setting screen S30 is displayed on the display 2. On the date and time setting screen S30, the date and time displayed on the liquid crystal panel 21 can be set. The set date and time are displayed at the bottom of each screen except for the opening screen S1 and the warning screens S41, S42, S43 (see FIG. 27).

  On the date and time setting screen S30, five scroll boxes for displaying “year”, “month”, “day”, “hour”, and “minute” are displayed. Any one of these scroll boxes selected is highlighted. Each scroll box can scroll through numbers. The operator can select a number by turning the encoder dial 22 and can determine by pressing the enter button 23.

  When the command button 28 is pressed on the date / time setting screen S30, the screen can return to the customization screen S28.

  Next, an icon labeled “setting for interrupt display during operation” on the customization screen S28 is selected and determined.

  The display 2 displays an interrupt setting screen S31 (see FIG. 23). Dialog locks are displayed on the interrupt setting screen S31. A select switch is displayed on the left side of the dialog box.

  Dialog locks is a part that can be selected as to whether or not to execute a function of switching from the current screen to a predetermined screen when the operator operates a shift lever or the like. When the select switch is “ON”, this function is executed. That is, when the select switch is “ON” and the operator operates the shift lever or the like, the current screen is switched to a predetermined screen. On the other hand, when the select switch is “OFF”, the current screen is maintained even if the operator operates the shift lever or the like. The operator can select either “ON” or “OFF” by turning the encoder dial 22 and press the enter button 23 to determine.

  In the interrupt setting screen S31, either “ON” or “OFF” cannot be selected by pressing a command button (any one of 24, 25, 26, 27, and 28). It can be determined by pressing. An explanation of the operation method is described next to each select switch. When the command button 28 is pressed, it is possible to return to the customization screen S28.

  Next, a case where the operator operates the shift lever will be described.

  When the operator operates the shift lever, the control device 3 automatically switches the screen of the display 2 to the shift lever operation screen S32.

  When the command button 28 is pressed on the shift lever operation screen S32, the current screen (the screen before switching to the shift lever operation screen S32) can be returned.

  Next, a case where the operator operates the lift dial will be described.

  When the operator operates the lift dial, the control device 3 automatically switches the screen of the display 2 to the lift dial operation screen S33.

  When the command button 28 is pressed on the elevation dial operation screen S33, the current screen (the screen before switching to the elevation dial operation screen S33) can be returned.

  Next, a case where the operator operates the lift switch 174 will be described.

  When the operator operates the up / down switch 174, the control device 3 automatically switches the screen of the display 2 to the up / down switch operation screen S34 (see FIG. 24).

  When the command button 28 is pressed on the lift switch operation screen S34, the current screen (the screen before switching to the lift switch operation screen S34) can be returned.

  Further, in the present display 2, even when the depth dial 174 for adjusting the tilling depth is operated, the current screen is switched to a predetermined screen.

  When the operator operates the depth dial 174, the control device 3 automatically switches the screen of the display 2 to the depth dial operation screen S35.

  If the command button 28 is pressed on the depth dial operation screen S35, the current screen (the screen before switching to the depth dial operation screen S35) can be returned.

  Next, it is assumed that an icon marked “Startup lock setting” on the customization screen S28 is selected and determined (see FIG. 22).

  On the display 2, an activation lock setting screen S36 is displayed (see FIG. 25). On the activation lock setting screen S36, it is possible to switch whether the lock at the time of activation is valid or invalid. On the activation lock setting screen S36, an icon marked “change password” and a switch are displayed. In the lower dialog box, the operation method is described.

  In the figure, since the switch is switched to “ON”, input of a personal identification number (password) is requested on the unlock screen S2. On the other hand, when the switch is “OFF”, the lock at the time of activation is invalid.

  At the time of shipment, the switch is switched to “OFF”. Therefore, when the lock at the time of activation is validated, the operator switches the switch to “ON”. The operator can select either “ON” or “OFF” by turning the encoder dial 22 and press the enter button 23 to determine.

  When the switch is “OFF” and switched to “ON”, a password setting screen S37 is displayed. The operator can select a number or an alphabetic character by turning the encoder dial 22 and press the enter button 23 in the same manner as the input on the unlock screen S2.

  When an arbitrary four-digit personal identification number is input and an icon marked “Next” is selected and determined, a personal identification number re-input screen S38 is displayed on the display 2. Here, the operator inputs the same number as the 4-digit password entered on the password setting screen S37. In this way, the personal identification number to be input on the unlock screen S2 can be set. In the lower dialog box, information on erroneous input is displayed.

  On the other hand, when the icon marked “change password” is selected and determined on the activation lock setting screen S36, a password input screen S39 is displayed on the display 2. Here, the operator inputs the current password. The operator can select a number or an alphabetic character by turning the encoder dial 22 and press the enter button 23 in the same manner as the input on the unlock screen S2. Information on incorrect input is displayed in the lower dialog box.

  When the current security code is input on the security code input screen S39, a security code setting screen S37 is displayed. Here, the operator inputs an arbitrary 4-digit password as a new password.

  When an arbitrary four-digit personal identification number is input and an icon marked “Next” is selected and determined, a personal identification number re-input screen S38 is displayed on the display 2. Here, the operator inputs the same number as the 4-digit password entered on the password setting screen S37.

  In this way, the personal identification number to be input on the unlock screen S2 can be changed. In the lower dialog box, information on erroneous input is displayed.

  If the command button 28 is pressed on the activation lock setting screen S36, the screen can return to the customization screen S28 (not shown).

  Next, the case where the icon marked “OFF” is selected and determined on the home screen S4 will be described.

  A black screen S40 whose entire surface is a black image is displayed on the display 2 (see FIG. 26). At the same time, the brightness of the liquid crystal panel 21 and the backlight 29 is lowered. The black screen S40 is also displayed when a predetermined condition is satisfied in a state where an arbitrary screen is displayed.

  Then, when the encoder dial 22, the enter button 23, or the command buttons 24-28 are operated while the black screen S40 is displayed, the control device 3 displays the current screen (the screen before switching to the black screen S40). The display 2 is controlled to return to. When the predetermined condition is not satisfied, the control device 3 controls the display 2 to return to the current screen (the screen before switching to the black screen S40).

  Even when the black screen S40 is displayed on the liquid crystal panel 21, the display 2 automatically displays a warning screen when a warning needs to be displayed.

  On the display 2, a tab button Tk is displayed below the screen when a warning is issued. Thus, the display 2 gives priority to display the warning over the operating state of the actuator and the setting state by the control device 3 when an abnormality occurs. When the operator selects and determines the tab button Tk, the current screen is switched to a predetermined screen.

  When the control device 3 detects an abnormality from various information, the control device 3 displays a tab button Tk on the screen of the display 2. The tab button Tk is provided with an illustration and a character string indicating the content of the abnormality. The tab button Tk has a different color depending on the severity of the abnormal content. Specifically, the tab button Tk whose abnormality content is severe is represented in red. Further, the tab button Tk having a medium abnormality content is displayed in yellow. Further, the tab button Tk having a slight abnormality content is displayed in gray.

  Next, when the operator selects and determines the tab button Tk, the control device 3 automatically switches the screen of the display 2 to the severe warning screen S41, the medium warning screen S42, or the minor warning screen S43 (see FIG. 27). . In each of the warning screens S41, S42, and S43, a dialog box in which the abnormality content is described is displayed. The dialog box has different colors depending on the severity of the abnormal content. Specifically, the frame portion of the dialog box in the severe warning screen S41 is displayed in red. Further, the dialog box in the medium warning screen S42 has a yellow frame portion. Furthermore, the frame portion of the dialog box in the minor warning screen S43 is displayed in gray.

  In each of the warning screens S41, S42, and S43, a countermeasure method is displayed below the warning content. Further, when the command button 28 is pressed, the current screen (the screen before switching to each of the warning screens S41, S42, and S43) can be returned.

  Next, a case will be described in which the icon marked “Camera 1” is selected and determined on the home screen S4 (see FIG. 28).

  On the display 2, a back interlocking setting screen S44 is displayed. In the back interlocking setting screen S44, it is possible to set whether or not to automatically switch to the camera screen S45 when the reverser lever 168 is operated to the retracted position.

  On the back interlocking setting screen S44, a select switch is displayed. If the operator operates the reverser lever 168 to the retracted position when the select switch is “ON”, the current screen is switched to the camera screen S45. On the other hand, when the select switch is “OFF”, even if the operator operates the reverser lever 168, the current screen is maintained. The operator can select either “ON” or “OFF” by turning the encoder dial 22 and press the enter button 23 to determine.

  In the back interlocking setting screen S44, either “ON” or “OFF” cannot be selected by pressing a command button (any one of 24, 25, 26, 27, and 28). It can be determined by pressing 27. In the lower dialog box, the operation method is described. When the command button 28 is pressed, it is possible to return to the home screen S4.

  Next, a case will be described in which an icon marked “work machine interlock” is selected and determined on the home screen S5 (see FIG. 29).

  On the display 2, a work implement interlocking screen S46 is displayed. In the work implement interlocking screen S46, the interlocking state between the tractor 1 and the work implement can be set. The operator can set and check the interlocking state between the tractor 1 and the work implement by using the work implement interlocking screen S46.

  In the work implement interlocking screen S46, three icons indicating the work implement name and ON or OFF are displayed. The three icons are a list of work machines that can be linked. On the eco-tralink screen S5, the operator can turn the encoder dial 22 to select a desired icon and press the enter button 23 to switch between ON and OFF. ON indicates that the link is being performed, and OFF indicates that the link is not being performed.

  Some work machines can be interlocked with the tractor 1. As a work machine that can be interlocked with the tractor 1, there is a loader attached to the front part of the tractor 1, or a rotary, a sprayer or a broadcaster attached to the rear part of the tractor 1. When a work machine capable of interlocking is mounted on the tractor 1, the tractor 1 and the work machine can be interlocked. Interlocking means that the tractor 1 operates optimally according to the operation of the work implement.

  In addition, when the command button 28 is pressed on the work implement interlocking screen S46, the home screen S5 can be returned.

  Next, the case where the icon labeled “Laser” is selected and determined on the home screen S5 will be described.

  A laser screen S47 is displayed on the display 2 (see FIG. 30). In the laser screen S47, a dialog box is displayed near the center. In this dialog box, the value of the height position of the rotary with respect to the reference plane (unit: millimeter (mm)) is described. The symbol “+” indicates that the rotary height position is above the reference plane, and the symbol “−” indicates that the rotary height position is below the reference plane.

  On the laser screen S47, an instruction image is displayed on the left side. This instruction image is lit or blinks according to the change in the height position of the rotary. Furthermore, on the laser screen S47, two icons are displayed so as to be selectable. The two icons are each highlighted to show that they are selected. The highlight is traversed according to the rotation of the encoder dial 22.

  The allowable range with respect to the reference plane is referred to as “ON grade width”. On the other hand, the deviation amount of the allowable range, that is, the vertical deviation of the allowable range with respect to the reference plane is referred to as “offset position”.

  Here, a case where the icon marked “sensitivity setting” is selected and determined will be described.

  On the display 2, an ON grade width screen S48 is displayed. The ON grade width screen S48 is a screen for setting an allowable range.

  The operator scrolls and selects the value of the ON grade width by turning the encoder dial 22. When the encoder dial 22 is rotated clockwise, the value of the ON grade width increases, and when the encoder dial 22 is rotated counterclockwise, the value of the ON grade width decreases.

  On the ON grade width screen S48, the value of the ON grade width cannot be selected by pressing a command button (any one of 24, 25, 26, 27, and 28), but is determined by pressing the command button 27. I can. On the ON grade width screen S48, when the command button 28 is pressed, the screen can return to the laser screen S47.

  Next, a case where the icon marked “offset position” on the laser screen S47 is selected and determined will be described.

  On the display 2, an offset position screen S49 is displayed. The offset position screen S49 is a screen for setting an offset position value.

  The operator scrolls and selects the offset position value by turning the encoder dial 22. When the encoder dial 22 is rotated clockwise, the value of the offset position is increased, and when the encoder dial 22 is rotated counterclockwise, the value of the offset position is decreased.

  In the offset position screen S49, the value of the offset position cannot be selected by pressing the command button (any one of 24, 25, 26, 27, and 28), but it is determined by pressing the command button 27. it can. On the offset position screen S49, when the command button 28 is pressed, the screen can return to the laser screen S47.

  Further, when the command button 28 is pressed on the laser screen S47, the home screen S5 can be returned.

  Next, a case will be described in which the icon “loader” is selected and determined on the home screen S5 (see FIG. 29).

  On the display 2, a loader screen S50 is displayed. The loader screen S50 is a screen for displaying bucket height information and angle information. In the loader screen S50, a height position index and a rotation angle index can be set.

  It should be noted that the bucket is not limited to operate within the height position index, but can operate beyond this index. Also, the bucket is not limited to operate within the range of rotation angle indicators, but can operate beyond this indicator.

  A front loader that is a working machine can be attached to the front portion of the tractor 1 (not shown). The front loader includes a bucket (not shown). The tractor 1 can carry out earth and sand transporting work by raising and lowering and rotating the bucket.

  When the command button 28 is pressed on the loader screen S50, the home screen S5 can be returned.

  Next, a case where an icon marked “USB” is selected and determined on the home screen S5 will be described (see FIG. 31).

  On the display 2, an external memory operation screen S51 is displayed. On the external memory operation screen S51, three selectable icons are displayed vertically.

  The upper icon is labeled “BACKUP”, and is a part that can instruct the external memory 32 to save the adjustment contents. The lower icon is marked “Restore” and is a part that can instruct the reproduction of the adjustment contents stored in the external memory 32. The icon in the middle is marked “Erase”, and is a part that can instruct the deletion of the adjustment contents stored in the external memory 32.

  In the external memory operation screen S51, the highlight cannot be traversed by pressing a command button (any one of 24, 25, 26, 27, and 28), but is determined by pressing the command button 27. I can. In the lower dialog box, the operation method is described. When the command button 28 is pressed on the external memory operation screen S51, it is possible to return to the customization screen S11.

  Next, the case where the icon marked “memo” is selected and determined on the home screen S5 will be described.

  A work machine selection screen S52 is displayed on the display 2 (see FIG. 32). On the work machine selection screen S52, a work machine selection image composed of eight icons with names of work machines is displayed in a selectable manner. One of the eight icons selected is highlighted. The highlight display is traversed according to the rotation of the encoder dial 22.

  In the work implement selection screen S52, the operator can select a desired icon by turning the encoder dial 22 and press the enter button 23 to determine. Here, the icon marked “Rotary 2” is selected and determined.

  Next, a work machine attachment memo screen S53 corresponding to “Rotary 2” is displayed on the display 2. On the work machine attachment memo screen S53, a diagram of the link mechanism of the tractor 1 is shown as a diagram of a portion where the work machine is mounted. As the five item names, “work machine name”, “3P switching”, “top link length”, “lift link hole”, and “lower link hole” are described. 3P switching means the switching position of the 3P switching switch. Five input fields indicate the already input state, and “rotary”, “3”, “650”, “upper”, and “previous” are input in the input field.

  In the work machine attachment memo screen S53, the operator can check the work machine mounting conditions. Further, when it is desired to change the contents of the input field on the work machine attachment memo screen S53, the operator can select the desired input field by turning the encoder dial 22 and press the enter button 23 to determine. Here, the input field in which “upper” is input is selected and determined.

  Next, an input screen S54 is displayed on the display 2. In the input screen S <b> 54, the operator can select a desired character by turning the encoder dial 22 and press the enter button 23 to determine it. Further, on the input screen S54, a desired character or the like can be selected by pressing the command buttons 24-27, and can be determined by pressing the enter button 23. Then, when the enter button 23 is pressed after all desired input contents have been input, the input contents are stored, and a work implement attachment memo screen S53 reflecting the input contents is displayed.

  Next, the case where the icon marked “Calendar” on the home screen S5 (see FIG. 31) is selected and determined will be described.

  The display 2 displays a calendar screen S55 that is one screen of the work plan (see FIG. 33). The calendar screen S55 is acquired from the remote monitoring device 5. In the calendar displayed on the calendar screen S55, today's date (January 15, 2014 in the figure) is displayed in orange, and the date when the work plan is registered (January 2014 in the figure). 20th, 21st, 28th, and 30th) are displayed in light blue.

  On the calendar screen S55, a dialog box in which the work schedule for today is written is displayed at the bottom. In the dialog box, “Hojo Seigo A1-A20” is written. This indicates that the work content to be performed today by the tractor 1 is the field maintenance work, the work place is from the section A1 to the section A20 of the field, and the order of the work is the order of the sections A1, A2,. ing.

  On the calendar screen S55, four selectable icons are displayed. One of the selected icons is highlighted. The highlight display is traversed according to the rotation of the encoder dial 22.

  In the calendar screen S55, the operator can select a desired icon by turning the encoder dial 22 and press the enter button 23 or the command button 27 to decide.

  When the icon marked “schedule confirmation” is selected and determined, a schedule confirmation screen S56 is displayed on the display 2. When the icon marked “schedule registration” is selected and determined, a schedule registration screen S57 is displayed on the display 2. In addition to these two icons, an icon marked “Previous Month” and an icon marked “Next Month” are displayed.

  The icon labeled “Previous Month” is an icon for displaying the calendar of the previous month of the displayed month. The icon marked “next month” is an icon for displaying the calendar of the next month of the displayed month.

  When the icon marked “schedule confirmation” is determined, a schedule confirmation screen S56, which is one screen of the work plan, is displayed on the display 2. The schedule confirmation screen S56 is acquired from the remote monitoring device 5. On the schedule confirmation screen S56, six selectable icons are displayed. One of the selected icons is highlighted. The highlight display is traversed according to the rotation of the encoder dial 22.

  The icon described as “Previous page” is an icon for displaying the previous page (calendar screen S55). The icon described as “next page” is an icon for displaying the next page (continuation of schedule confirmation screen S56 (not shown)). The four icons in the center of the screen indicate the number of each work plan, and the corresponding work date and time and work contents are written on the right side of each icon. The schedule confirmation screen S56 allows the operator to confirm today and future work plans.

  In the schedule confirmation screen S56, the operator selects the work plan icon by turning the encoder dial 22, and inputs the work progress information by pressing the enter button 23 or the command button 27 for a short time (for example, less than 3 seconds). be able to.

  In the schedule confirmation screen S56, the operator selects the work plan icon by turning the encoder dial 22, and deletes the work plan by pressing and holding the enter button 23 or the command button 27 (for example, 3 seconds or more). be able to.

  On the other hand, when the icon marked “schedule registration” is determined on the calendar screen S55, the schedule registration screen S57 is displayed on the display 2. The schedule registration screen S57 is acquired from the remote monitoring device 5. On the schedule registration screen S57, the work date and time and the repetition frequency of the corresponding work can be set.

  Moreover, today's schedule screen S58 on which today's work schedule is recorded is displayed in front of the home screen S4 following the lock release screen S2.

  Next, the case where the icon marked “user” is selected and determined on the home screen S5 will be described (see FIG. 34).

  An operator display screen S59 is displayed on the display 2. On the operator display screen S59, two selectable icons are displayed. The upper icon is labeled “Select worker at startup”. Further, the currently set operator name (“MURATA” in the figure) is written in the icon at the center of the screen. On the left side of this icon, a number (No. 1 in the figure) corresponding to the currently set operator name is displayed. Operation guidance is displayed in the lower dialog box.

  If the enter button 23 is pressed and a check mark is displayed on the upper icon, a dialog box with the operator name is displayed on the unlock screen S2. This screen is illustrated as another unlock screen S60.

  In the operator display screen S59, the operator can select a desired icon by turning the encoder dial 22 and press the enter button 23 or the command button 27 to decide. Here, the icon at the center of the screen is selected and determined.

  Next, an operator selection screen S61 is displayed on the display 2. In the operator selection screen S61, the operator can select and determine his / her operator information from a plurality of operator information (operator names, etc.) registered in advance. The determined operator information is automatically transmitted to the management server. Thereby, in the remote monitoring device 5, operator information can be reflected in the daily work report.

  Next, a case will be described in which the icon marked “work” is selected and determined on the home screen S5.

  The work machine display screen S62 is displayed on the display 2 (see FIG. 35). On the work machine display screen S62, two selectable icons are displayed.

  The upper icon is labeled “Select work contents at startup”. In addition, the currently set work machine name (rotary in the figure) is written in the icon at the center of the screen. On the left side of this icon, a number (No. 1 in the figure) corresponding to the currently set work machine name is displayed. Operation guidance is displayed in the lower dialog box.

  In the work implement display screen S62, the operator can select a desired icon by turning the encoder dial 22 and press the enter button 23 or the command button 27 to make a determination. Here, the icon at the center of the screen is selected and determined.

  Next, a work machine selection screen S63 is displayed on the display 2. On the work machine selection screen S63, the operator can select and determine the work machine information to be used this time from a plurality of pre-registered work machine information (work machine name, etc.). The determined work machine information is automatically transmitted to the management server. As a result, the work machine information can be reflected in the daily work report on the management server side.

  When the power of the display 2 is switched off, such as when the operation of the tractor 1 is completed, the same screen as the opening screen (see FIG. 12) is displayed for a predetermined time (within 10 seconds).

1 Tractor (work vehicle)
2 Display 3 Control device 22 Encoder dial (operation part)
23 Enter button (operation unit)
24 Command button (operation unit)
25 Command button (operation unit)
26 Command button (operation unit)
27 Command button (operation unit)
28 Command button (operation unit)

Claims (3)

In a work vehicle that operates a work machine based on control by a control device,
It has a display near the driver's seat,
The work vehicle characterized in that the display displays an operating state of the work implement and a set state of control by the control device.   2. The work vehicle according to claim 1, wherein when an abnormality occurs, the display gives priority to display a warning over the operating state and the set state.   The work vehicle according to claim 1, wherein the display includes an operation unit for adjusting the setting state.