JP2010030509A - Carbon dioxide discharge amount display of working vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To display a carbon dioxide discharge amount against consumed fuel of an engine in a working vehicle, notify the carbon dioxide discharge amount associated with the driving operation of an operator, enhance the consciousness for reducing the carbon dioxide discharge amount, and contribute to the security of the global environment. <P>SOLUTION: An engine speed detection means (32) for detecting the engine speed is provided. A carbon dioxide discharge amount calculating means for calculating the carbon dioxide discharge amount to the fuel consumption based on the driving number of rotation of the engine is provided on a controller (21). The carbon dioxide discharge amount calculated by the carbon dioxide discharge amount calculating means is displayed on a display screen (29). <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a carbon dioxide emission display device for a work vehicle such as a combine.

In an exhaust gas management system, it comprises data collecting means for collecting drive history data of drive sources of a plurality of managed devices, and processing means for obtaining management data of management target exhaust gases of a plurality of managed devices based on the drive history data. A device that performs management processing to reduce the emission amount using management data for a plurality of devices to be managed is known (Patent Document 1).
JP 2001-227397 A

  The present invention calculates and displays carbon dioxide emissions relative to fuel consumption from the number of engine revolutions in a work vehicle, notifies the operator of carbon dioxide emissions associated with driving operations, and improves awareness of carbon dioxide reduction. Is.

  According to the first aspect of the present invention, the engine speed detecting means (32) for detecting the engine speed is provided, and the controller (21) calculates carbon dioxide emission with respect to fuel consumption based on the engine speed. An emission amount calculating means is provided, and the carbon dioxide emission amount calculated by the carbon dioxide emission amount calculating means is displayed on the display screen (29).

  As a result, the engine rotational speed is detected by the engine rotational speed detecting means (32), the carbon dioxide emission calculating means calculates the carbon dioxide emission relative to the fuel consumption based on the engine rotational speed, and the display screen ( 29).

  According to a second aspect of the present invention, the work vehicle is provided with airframe control means (36) for controlling the airframe, and the control screen of the airframe control means (36) can be displayed on the display screen (29). 2. The carbon dioxide emission of a work vehicle according to claim 1, wherein when a control reference value is inputted and set to the control means (36), a necessary control reference value is also inputted and set to the carbon dioxide emission calculating means simultaneously. A quantity display device is used.

  Thereby, in addition to the operation of the first aspect of the invention, the control state of the accelerator control means (36) provided in the work vehicle is displayed on the display screen (29), and the accelerator control means (36). When the control reference value is input and set, the necessary control reference value is also input and set to the carbon dioxide emission calculating means.

  According to the first aspect of the present invention, the operator boarding the work vehicle can specifically recognize the carbon dioxide emission amount with respect to the fuel consumption of the engine, and can control the reduction awareness of the carbon dioxide emission amount to perform the operation. Can contribute to the conservation of the global environment.

  According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, the control state of the airframe control means (36) can be known from the display screen (29), and the airframe control means (36 When the control reference value is input and set to), the control reference value can be simultaneously input and set to the carbon dioxide emission calculating means, and the setting operation of the control reference value can be simplified.

Hereinafter, embodiments of the present invention shown in the drawings will be described.
First, the overall structure of a combine equipped with the present invention will be described with reference to FIG. FIG. 1 is an overall side view of the combine. The left and right traveling crawlers 2 and 2 are arranged below the traveling vehicle body 1 of the combine. On the traveling vehicle body 1, a control unit 3 with a seat on the right front is provided, and an engine (not shown) and a grain are disposed on the rear side. A grain storage grain tank 4 is provided, a threshing unit 5 is mounted on the left side of the traveling vehicle body 1, a sorting unit 6 is provided below the threshing unit 5, and a cutting and conveying unit is disposed on the front side of the traveling vehicle body 1. 7 is provided to be raised and lowered. Further, a waste treatment device 8 is provided behind the threshing unit 5 and the Glen tank 4.

Next, the control unit 3 will be described with reference to FIG.
A front operation box 3b is provided on the front side of the seat 3a of the control unit 3, and a side operation box 3c is provided on the left side. A power steering lever 11 is provided at the right end of the front operation box 3b, and a monitor display 12 is provided at the front. The side operation box 3c includes a switch panel 13 that displays on / off of the switch from the front side to the rear side, an accelerator lever 14 that adjusts the fuel injection amount of the engine, and a continuously variable transmission that continuously changes the driving power and working power from the engine. A transmission main gear shift lever 15 for transmission (not shown), a sub transmission gear 16 for sub transmission (not shown), a cutting and threshing clutch lever 17 for turning on and off the power to the cutting and conveying section 7 and the threshing section 5 are provided. It is arranged.

Next, a control block configuration will be described with reference to FIG.
The display changeover switch 22, various switches 23, and various sensors 24 are connected to the input side of the microcomputer 21 via an input interface. In addition, various actuators 26 are connected to the output side of the microcomputer 21 via an output interface, and an engine controller 27 and a liquid crystal display 28 are connected via a communication interface. The liquid crystal display screen of the liquid crystal display 28 29 is provided in front of the seat 3a of the control unit 3 as shown in FIG.

  The storage device of the microcomputer 21 stores control reference values such as the rated engine speed, idling engine speed, and engine displacement, and the amount of carbon dioxide generated by the fuel consumed by the engine based on the engine speed. Carbon dioxide emission amount calculation means for calculating is provided, engine driving state storage means for storing the driving rotation state of the engine, and carbon dioxide emission amount storage means for sequentially storing the calculated carbon dioxide emission amount.

  Then, when the combine control setting mode is called and the control reference values such as the airframe type, engine type, engine displacement, engine rated speed, idling speed, etc. in the accelerator control means described later are input and set by an input means such as a personal computer. A control reference value is set in accordance with the carbon dioxide emission calculating means. Therefore, the carbon dioxide emission amount with respect to the fuel consumption amount of the engine is calculated by a predetermined calculation formula based on the set reference value and the detected engine speed.

  In addition, the display screen 29 of the liquid crystal display 28 displays monitor displays indicating various operating states and control states of the aircraft, and carbon dioxide emissions relative to the fuel consumption of the engine from the start of use of the combiner to the present. It is possible to display in parallel, or to switch and display various monitor displays and carbon dioxide emissions every predetermined time.

  Further, when displaying the carbon dioxide emission amount, the fluctuations of the engine driving rotation state, idling rotation state and carbon dioxide emission amount may be graphically displayed in time series so that the fluctuations can be understood. Also, calculate the idling rotation time ratio with respect to the engine drive time, compare the preset idling reference ratio, and display the idling operation with little or no idling operation. An alarm may be issued.

  According to the above configuration, by specifically notifying the operator of the carbon dioxide emission amount, it is possible to improve the awareness of carbon dioxide reduction and to promote a driving operation that leads to carbon dioxide reduction.

  In addition, when displaying the carbon dioxide emissions relative to the fuel consumption of the engine on a monitor, the total carbon dioxide emissions required for fuel production are also displayed together, and the product carbon dioxide emissions required for the manufacture of combine You may make it display according to quantity.

  Further, when the carbon dioxide emission amount with respect to the fuel consumption amount of the engine is displayed on the monitor, as shown in FIG. 5, the carbon dioxide emission amount with respect to the fuel consumption amount from the past predetermined date and time until now is stored and displayed. You may do it.

  Also, a reset switch that resets the stored value of carbon dioxide emission is provided, and when the reset switch is turned on, the stored value of carbon dioxide emission is reset and the storage of carbon dioxide emission starts from a new date and time. Also good. According to the above-described configuration, it is possible to know the carbon dioxide emission amount in a short period or a short time, and it is possible to improve awareness of carbon dioxide reduction.

Next, the accelerator control for the combine will be described with reference to FIGS. 6 and 7.
An accelerator control means is incorporated in the combine microcomputer 21. This accelerator control means operates the accelerator lever so as to efficiently perform the engine rotation output in accordance with each operation of the combine traveling, cutting, and the soot discharging operation of the Glen tank.

  When the accelerator control switch (not shown) is turned on, the engine speed at the time of travel stop is maintained at a predetermined low speed, and when the main speed change lever 15 is operated in the acceleration / deceleration direction during travel, the amount of lever operation is reduced. The engine speed increases or decreases accordingly. Also, at the time of mowing work, when the mowing / threshing clutch lever is operated to the on position and power is transmitted from the engine to the mowing part and the threshing part to start the mowing work, the engine speed is automatically maintained at the rated speed. Control. In addition, when the soot discharge lever is turned on during the soot discharge operation, the engine speed gradually increases from the standard low speed to the rated speed, and when the aircraft stops traveling, the engine speed is set to a predetermined value. Control to keep at low speed.

  As shown in FIG. 6, on the input side of the accelerator controller 31, the engine speed is input from the engine speed sensor 32, and the accelerator-controlled moving travel information, cutting operation information, and soot discharge from the accelerator-controlled position sensor 33 group. Work information and travel stop information are input respectively.

Next, the write control of the engine accelerator rated rated speed of the engine in the accelerator control means will be described based on FIG. In the following, “engine rated speed” means that the engine's accelerator control rated speed is displayed unless otherwise noted. When the number writing process is selected (step S1), the process proceeds to a process for writing the current engine speed. Then, when the monitor screen displays “Please adjust the engine speed to the rated speed” on the display screen 29 (step S2), the operator operates the accelerator lever 14 to rotate the engine speed sensor 32. While checking the number display, adjust the engine speed to the rated speed. Next, the operation proceeds to a process for reading the rated engine speed of the accelerator controlled by a predetermined switch operation (step S3), the rated speed detected by the engine speed sensor 32 is read, and the engine rated speed is read into the EEPROM as a storage device. Is written and stored. Next, the operation proceeds to the accelerator control target data setting process by a predetermined switch operation, the stored engine rated speed is set as control target data (step S4), and the process is terminated.

  According to the above configuration, it is possible to accurately set the rated rotational speed of the engine, which is the control reference value for accelerator control, based on the actual rotational speed of the engine, and for a plurality of rated rotational speeds having different rotational speeds. Setting can be prevented and an increase in management programs can be prevented.

Next, another embodiment will be described based on FIG.
This accelerator control means corresponds to the combine type A having a 4-row type and a 5-row type, and the accelerator control rated rotational speed is determined by the actual rotational speed of the engine as in the embodiment of FIG. A program for 4 speed engine rated speed 2600 rpm and a program for 5 speed engine rated speed 2800 rpm are stored in advance, and any of these programs based on the stored rated speed It is intended to select or set.

  When the control is started, the accelerator rated reference position writing process is executed, and the rotational speed detected by the engine rotational speed sensor 32 is written and stored as the engine rated rotational speed (step S11). Next, it is determined whether or not the stored rated engine speed is near 2800 rpm (step S12). If Yes, a program for the rated engine speed of 2800 rpm is set and set as a control program for the accelerator control means (step S12). Step S13). If the answer is No, a program for the rated engine speed of 2600 rpm is set as a control program for the accelerator control means (step S13). According to the said structure, accelerator control can be performed appropriately, preventing the increase in the management program by the difference in engine rated speed.

  Moreover, you may comprise as FIG. When the control is started, the accelerator rated reference position writing process is executed as described above, and the actual rotational speed is written and stored as the engine rated rotational speed (step S21). Next, it is determined whether or not the stored engine rated speed is not abnormal in the vicinity of 2800 rpm (step S22). If Yes, a program for an engine rated speed of 2800 rpm is set as an accelerator control program (step S22). If the answer is No, a program for an engine rated speed of 2600 rpm is set as an accelerator control program (step S23). According to the said structure, the increase in the management program by the difference in the rated rotation speed of an engine can be prevented, and accelerator control can be performed smoothly, aiming at protection of an engine.

  Moreover, you may comprise as FIG. When the control is started, the accelerator rated reference position writing process is executed as described above, and the actual rotational speed is written and stored as the accelerator control rated rotational speed of the engine (step S31). Next, it is determined whether or not the stored rated engine speed is not abnormal in the vicinity of 2800 rpm (step S32). If Yes, a program for the rated engine speed of 2800 rpm is set as an accelerator control program (step S32). S33). If it is No, it is determined whether or not the set engine rated speed is abnormal (step S34), and if it is No, a program for an engine rated speed of 2600 rpm is set as an accelerator control program (step S34). Step S35). If Yes, a program for rated engine speed of 2600 rpm is set as an accelerator control program, and a setting abnormality of the rated speed is displayed on the display screen. According to the above configuration, it is possible to prevent an increase in the management program due to a difference in engine rated speed, execute accelerator control while protecting the engine, and prevent abnormal setting of the engine rated speed.

Next, another embodiment of the accelerator control will be described with reference to FIGS.
As shown in FIG. 11, on the input side of the accelerator control controller 31, the engine speed is input from the engine speed sensor 32, and the accelerator control moving travel information, cutting work information,籾 Discharge work information and travel stop information are input respectively. The accelerator control controller 31 and the accelerator control switch panel controller 36 are connected by inter-controller communication means 37 such as CAN communication, and the accelerator control switch panel controller 36 and the display device 38 are connected by synchronous communication means 38.

  As shown in FIG. 12, when the control is started, the accelerator control rated rotational speed of the engine is set and stored in the same manner as in the above embodiment, and the stored accelerator control rated rotational speed is transmitted from the accelerator control controller 31 to the CAN communication means 37. And sent to the accelerator sensor switch panel 36 (step S41). Next, it is determined whether or not the stored rated engine speed is not abnormal near 2800 rpm (step S42). If Yes, monitor communication data is calculated using the conversion formula for the rated speed 2800 rpm program (step S43). . If No, it is determined whether or not the set engine rated speed is abnormal (step S44). If No, monitor transmission data is calculated using a conversion formula for the rated speed 2600 rpm program (step S45). ), Yes, the monitor transmission data is calculated by the conversion formula of the program for rated speed 2600 rpm. According to the said structure, the increase in the management program by the difference in the rated rotation speed of an engine can be prevented, and accelerator control can be performed, aiming at protection of an engine. Further, even when the display conversion formula of the engine rotation bar differs due to the difference in engine rated speed, the engine rated speed received in the accelerator control switch panel 36 can be properly converted and displayed on the display screen.

Next, the engine idling speed setting configuration in the accelerator control will be described with reference to FIG.
When this control is started, the engine idling speed 2000 rpm writing process is called by a predetermined switch operation, and the engine speed is adjusted to 2000 rpm while the accelerator lever 14 is operated and the engine speed sensor 32 detects and confirms the engine speed. (Step S51). Next, the process proceeds to the current engine speed writing process, and the current engine speed is written and stored in the EEPROM of the storage device (step S52). Next, the process proceeds to a reading process of the engine speed 2000 rpm, the stored engine speed 2000 rpm is read (step S53), and is set as target data of the engine idling speed when the traveling is stopped in the accelerator control of the combine. (Step S54).

  In the case where an adjustment range of the engine speed 2000 rpm is set to 1800 rpm to 2200 rpm and the engine speed is actually 2000 rpm, an unpleasant chatter sound is generated due to resonance in the cabin. The rotation speed is adjusted with. According to the above configuration, the accelerator control can be performed while preventing the occurrence of chatter sound during idling rotation in the accelerator control.

Next, another embodiment will be described based on FIG.
In this embodiment, in the accelerator control, the rated speed of the engine itself is stored separately from the rated speed of the accelerator control of the engine, and the control target speed of the accelerator control is set based on the rated speed of the engine itself. Then, accelerator control is performed.

  As shown in FIG. 14, when this control is started, the routine proceeds to the engine rated reference value writing process, the accelerator lever 14 is adjusted to the rated speed of the engine itself, and the control reference value is stored in the computer. (Step S61). Next, the process proceeds to a process for reading the rated speed of the engine itself, and the stored rated speed of the engine itself is read and stored (step S62). Next, the process proceeds to the accelerator control target data group setting process, and the rated speed of the engine itself is set as target control data (step S63). According to the said structure, the increase in the management program by the difference in the engine rated speed in accelerator control can be prevented.

Next, another embodiment will be described based on FIG.
In this embodiment, in the accelerator control, the rated rotational speed of the engine itself is stored separately from the accelerator controlled rated rotational speed of the engine, and the accelerator control controller 31 and the accelerator control switch panel are set with the rated rotational speed of the engine itself as a control reference value. When the set reference value is set in the controller 36, the set reference value of the accelerator controller 31 is prioritized and the accelerator control is performed.

  As shown in FIG. 15, when this control is started, the routine proceeds to a process for reading the rated speed of the engine itself (step S71), and then the rated speed of the engine itself stored in the accelerator control controller 31 and the accelerator control are stored. It is determined whether or not the rated rotational speed of the engine itself stored in the switch panel controller 36 matches (step S72). If No, the rated speed of the engine itself stored in the accelerator controller 31 is validated (step S73), and set processing is performed as a target data group for accelerator control (step S74). Further, it is determined whether or not the rated rotational speed of the engine itself is matched (step S72). If Yes, the matched rated rotational speed of the engine itself is set as a target data group for accelerator control (step S72). Step S75). According to the above configuration, the accelerator control can be smoothly performed while preventing an increase in the management program due to a difference in the rated engine speed in the accelerator control.

Next, the embodiment of FIG. 16 will be described.
In the present embodiment, when the engine rated engine speed of the accelerator control is read, the engine is displayed at the head of the sensor reference value item in the monitor display control only when the engine rated engine speed is not written as a reference value. The writing process of the rated number of revolutions is displayed, and the sensor reference value is set quickly.

  As shown in FIG. 16, when the accelerator control is started, the process proceeds to a process of reading the engine rated speed (step S81), and it is determined whether or not the initial value of the engine rated speed has been written (step S82). If Yes, writing of the reference value of the engine rated speed is permitted, and the engine rated speed is written (step S83). If it is No, the stored engine rated speed is called, and the control target data group for accelerator control is set (step S84). According to the said structure, an engine rated speed can be set rapidly, preventing the increase in the management program by the difference in the engine rated speed in accelerator control.

Next, the embodiment of FIG. 17 will be described.
In this embodiment, the rated engine speed set in the accelerator control controller 31 and the accelerator control switch panel controller 36 can be always rewritten by controller check means such as a personal computer, and the engine rated engine speed for acceleration control is read. In the process, only when the engine rated speed has not been written, the engine rated speed item is displayed at the top of the sensor reference value item group in the monitor display control, and the engine rated speed is written. Is to be performed quickly.

  As shown in FIG. 17, when the accelerator control is started, the process proceeds to a process for reading the engine rated speed (step S91), and it is determined whether or not the initial value of the engine rated speed is written (step S92). If it is, writing of the reference value of the engine rated speed is permitted (step S93), and the engine rated speed is set as a writing reference value by a personal computer or the like (step S94). On the other hand, if the answer is No, the process proceeds to the setting process of the control target data group for accelerator control (step S95), and the engine rated speed is written and set by a personal computer or the like. According to the said structure, an engine rated speed can be set rapidly, preventing the increase in the management program by the difference in the engine rated speed in accelerator control.

Next, the embodiment of FIG. 18 will be described.
The present embodiment relates to the setting of the engine rated speed as a reference value, and is displayed only when the engine rated speed has not been written at the time of reading the accelerator rated engine speed. In the interrupt display on the screen, “write setting of engine rated speed is not set” is displayed to prevent forgetting to set engine rated speed.

  As shown in FIG. 18, when engine rated speed setting control is started, the process proceeds to a process for reading engine rated speed (step S101), and it is determined whether or not an initial value of engine rated speed is set. (Step S102) If Yes, the display screen indicates that “the engine rated speed is not set” (Step S103), and if No, the process ends. According to the above configuration, forgetting to set the engine rated speed can be prevented while preventing an increase in the management program due to the difference in the engine rated speed in the accelerator control.

Next, another embodiment will be described based on FIG.
The present embodiment relates to the storage control of the engine rated speed in the accelerator control. When the engine rated speed is read in the accelerator control, the monitor is only executed when the engine rated speed is not set once. In the display control, an interrupt display indicates that "the engine rated speed is not set", and when this display is displayed, if a predetermined switch (for example, horn stop switch) is operated, the engine rated speed is set. The mode is shifted to prevent forgetting to set the engine rated speed.

  As shown in FIG. 19, when the engine rated speed setting control is started, the process proceeds to a process for reading the engine rated speed (step S111), and it is determined whether or not the engine rated speed is not set (step S112). If Yes, the display screen displays that “the engine rated speed has not been set” (step S113). Next, it is determined whether or not the horn stop switch has been turned on (step S114). If the answer is Yes, the mode shifts to the engine rated speed setting mode, and the engine rated speed is set (step S115). If it is, the process ends. According to the above configuration, forgetting to set the engine rated speed can be prevented while preventing an increase in the management program due to the difference in the engine rated speed in the accelerator control.

Next, another embodiment will be described based on FIG.
This embodiment relates to setting control of the engine rated speed. When reading the engine rated speed, the interrupt display in the monitor display control is performed only when the engine rated speed is not set once. When the message “Engine rated speed is not set” is displayed and this switch is displayed, if the specified switch (for example, horn stop switch) is operated, the engine rated speed is turned off even if the sensor check switch is turned off. The mode is shifted to the setting mode to prevent forgetting to set the engine rated speed.

  As shown in FIG. 20, when the engine rated speed setting control is started, the process proceeds to a process for reading the engine rated speed (step S121), and it is determined whether or not the engine rated speed is not set (step S122). ), No, the process ends. If Yes, the display screen displays that “the engine rated speed is not set” (step S123), and then determines whether or not the horn stop switch is turned on (step S124). Then, the mode shifts to the engine rated speed setting mode (step S125). Next, it is determined whether or not there is a request for setting a reference value for the engine rated speed (step S126). If Yes, the engine rated speed is written, and if No, the process ends. According to the above configuration, forgetting to set the engine rated speed can be prevented while preventing an increase in the management program due to the difference in the engine rated speed in the accelerator control.

Next, another embodiment will be described based on FIG.
The present embodiment relates to setting control of the engine rated speed, and the engine rated speed is read by both the accelerator control controller 31 and the accelerator control switch panel controller 36 when reading the engine rated speed for accelerator control. Only when the engine rated speed is not set once, the message “No engine rated speed is set” is displayed in the interrupt display on the display screen. When a predetermined switch (for example, horn stop switch) is operated, even if the sensor check function is turned off, the engine enters the rated engine speed setting mode to prevent forgetting to set the engine rated engine speed. It is.

  As shown in FIG. 21, when the engine rated speed setting control is started, the process proceeds to a process for reading the engine rated speed (step S131), and it is determined whether or not the engine rated speed is not set (step S132). , It ends when it is No. If Yes, it is displayed on the display screen that “the engine rated speed is not set” (step S133), and then it is determined whether or not the horn stop switch has been turned on (step S134). Then, the process proceeds to the engine rated speed setting process mode (step S135). Next, it is determined whether or not there is a request for setting a reference value for the engine rated speed (step S136). If Yes, the process proceeds to the engine rated speed setting processing mode, and the accelerator control switch panel controller 36 is informed. The engine rated speed is set (step S137). Next, the CAN communication means requests the accelerator control controller 31 to set the engine rated speed, and the accelerator control controller 31 is also set to the engine rated speed. According to the above configuration, it is possible to prevent forgetting to set the engine rated speed when replacing the controller, while preventing an increase in the management program due to the difference in the engine rated speed in the accelerator control.

Next, another embodiment will be described based on FIG.
The present embodiment relates to the engine rated speed setting process in the accelerator control, and the engine rated speed is stored in both the accelerator control controller 31 and the accelerator control switch panel controller 36 when the engine rated speed setting process is performed. Only when the engine rated speed has never been set, the display screen will display an interrupt display stating that "the engine rated speed has not been set". When the switch (for example, the horn stop switch) is operated, even if the sensor check function is turned off, the mode shifts to the engine rated speed setting mode to prevent forgetting to set the engine rated speed.

  As shown in FIG. 22, when the setting control of the engine rated speed starts, the process proceeds to a process for reading the set value of the engine rated speed (step S141), and it is determined whether or not the engine rated speed is not set ( If YES in step S142), the display screen displays that "the engine rated speed has not been set" (step S143), and if NO, the accelerator control controller 31 and the accelerator control switch panel controller 36 store it. It is determined whether or not the rated engine speed is inconsistent (step S144). If Yes, the process proceeds to step S143, and if No, the process ends. Next, it is determined whether or not the horn stop switch has been turned on (step S145), and if Yes, the process proceeds to the engine rated speed setting processing mode (step S146). Next, it is determined whether or not there is a request for setting a reference value of the engine rated speed (step S147). If Yes, the engine rated speed setting processing mode is entered, and the accelerator control switch panel controller 36 receives the engine rating. A rotation speed setting process is performed (step S148). Next, the CAN communication means makes a request for setting the engine rated speed to the accelerator controller 31, and the engine rated speed is also set in the accelerator controller 31 (step S149).

  According to the above configuration, it is possible to prevent forgetting to set the engine rated speed when replacing the controller, while preventing an increase in the management program due to the difference in the engine rated speed in the accelerator control.

Next, abnormality display in the monitor display control of the combine will be described with reference to FIG.
In this monitor display control, the monitor indicator 12 is provided with an hour meter to display the accumulated operation time, and the display time for interrupt display on the display screen 29 when an abnormality occurs due to the length of the accumulated operation time of the hour meter. Is changed to long and short.

  As shown in FIG. 23, when the abnormality display control of the monitor is started, it is determined whether or not the cumulative operation time of the hour meter of the monitor display 12 is longer than a certain value (step S151). The abnormal display time stored in the EEPROM (not shown) is shortened (step S152). Thus, in the case of an abnormal display, the stored abnormal display time is read, and an abnormal display is performed on the display screen 29 based on the abnormal display time (step S153). According to the above configuration, when the combine operating time becomes longer and gets used to the driving operation, the contents of the abnormal display can be intuitively understood even in a short abnormal display time, and the trouble of displaying a long abnormal display every time is eliminated. be able to.

  Moreover, you may comprise as FIG. When the abnormality display control of the monitor is started, it is determined whether or not the number of times of abnormality display on the display screen 29 is greater than a certain number (step S161), and if it is Yes, the abnormality display stored in the EEPROM of the monitor control controller. The time is shortened (step S162). Therefore, in the case of an abnormal display, the stored abnormal display time is read, and an abnormal display is made on the display screen 29 based on the abnormal display time (step S163). According to the above configuration, if the combine operation time becomes long and the experience of abnormality display is gained, the contents of the abnormality display can be intuitively understood even in a short abnormality display time, and the trouble of displaying a long abnormality display every time is eliminated. be able to.

Combine side view Top view of combine control unit Control block diagram Display screen of display device Display screen of display device Control block diagram flowchart flowchart flowchart flowchart Control block diagram flowchart flowchart flowchart flowchart flowchart flowchart flowchart flowchart flowchart flowchart flowchart flowchart flowchart

Explanation of symbols

32 Engine speed detection means 21 Controller 29 Display screen 36 Airframe control means

Claims (2)

  An engine speed detecting means (32) for detecting the engine speed is provided, and the controller (21) is provided with a carbon dioxide emission calculating means for calculating the carbon dioxide emission with respect to the fuel consumption based on the engine speed, A carbon dioxide emission display device for a work vehicle, characterized in that the carbon dioxide emission calculated by the carbon dioxide emission calculation means is displayed on a display screen (29).   The work vehicle is provided with airframe control means (36) for controlling the airframe, configured to display the control state of the airframe control means (36) on the display screen (29), and controlled by the airframe control means (36). 2. The carbon dioxide emission display device for a work vehicle according to claim 1, wherein when a reference value is input and set, a control reference value required for the carbon dioxide emission calculation means is also input and set simultaneously.

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