JP7042668B2 - Field work machine - Google Patents

Description

The present invention relates to a field work machine.

In recent years, various field work support systems have been used to support farm work in the field. In particular, a field work machine equipped with a field work support system that supports workers so that work can be performed efficiently is widely used.

As a field work machine provided with such a field work support system, for example, Patent Document 1 discloses a tractor provided with a field work support terminal having a touch panel type liquid crystal display. According to this tractor, the worker can receive support for field work by obtaining various information such as field management information, soil information, Internet information, autonomous driving information, etc. through the field work support terminal. Such support is advantageous from the viewpoint of labor saving in agricultural work.

Japanese Unexamined Patent Publication No. 2002-186309.

By the way, in the technology as in Patent Document 1, since the touch panel type liquid crystal display is adopted, it may be difficult to operate when the distance between the driver's seat and the screen is large. There was also a request to configure the display screen, which is frequently checked during work, so that it can be displayed immediately with a simple operation.

Therefore, it is desired to realize a field work machine having excellent operability of operations related to the display function.

The field work machine according to the present invention includes a traveling machine, a field work device, a display unit, an operation unit, and a control unit, and the operation unit includes a display screen selection operation tool and a display screen initialization operation tool. The control unit has a lever-shaped operation member independent of the operation unit, and the control unit selects from a plurality of predetermined display screen groups based on a display screen selection operation for the display screen selection operation tool. When at least one display screen is displayed on the display unit and the initialization operation for the display screen initialization operation tool is performed, the type of display screen displayed when the initialization operation is performed is selected. Regardless, a predetermined initial display screen is displayed on the display unit, and the control unit has a maintenance mode that can be operated when the operation unit fails. In the maintenance mode, an artificial operation on the operation unit is performed. It is characterized in that at least a part of the above can be replaced by an artificial operation on the lever-shaped operating member .

According to this configuration, both the change and selection of the display screen and the display of the initial display screen can be performed by a simple operation, so that the operability is excellent.

Further, according to this configuration, even if the operation unit fails, the necessary operation can be performed. In addition, the operation method can be arbitrarily selected according to the preference of the operator.

The field work machine according to the present invention includes a traveling machine body, a field work device, a display unit, an operation unit, and a control unit, and the operation unit includes a display screen selection operation tool and a display screen initialization operation tool. The control unit uses at least one display screen selected based on the display screen selection operation for the display screen selection operation tool from a plurality of predetermined display screen groups as the display unit. When the display screen is displayed and the initialization operation for the display screen initialization operation tool is performed, the predetermined initial display screen is displayed regardless of the type of the display screen displayed when the initialization operation is performed. Displayed on the display unit, the control unit includes a specific operation control mode for controlling a specific operation of the field work apparatus, and the display unit is set to the specific operation control mode while the specific operation control mode is activated. When the corresponding specific operation setting screen can be displayed and an artificial operation is performed on the display screen initialization operation tool while the specific operation setting screen is being displayed, the specific operation and the said are performed to the operator. When the discontinuation guidance display screen indicating that the worker's consent for discontinuing the specific operation control mode is requested is displayed on the display unit and the worker performs an artificial operation to approve the discontinuation. , It is characterized by executing the discontinuation.

According to this configuration, when it becomes necessary to stop a specific operation, the operation can be stopped promptly.

Hereinafter, preferred embodiments of the present invention will be described. However, the scope of the present invention is not limited by the preferred embodiments described below.

As one aspect of the field work machine according to the present invention, the field work device is a seedling planting device having a seedling stand that can reciprocate in the left-right direction, and the specific operation is such that the seedling stand is used. It is preferable that the work is edge-aligned to move to either the left or right end of the reciprocating range of motion.

According to this configuration, when it becomes necessary to stop the edge alignment work, the operation can be stopped promptly.

Further features and advantages of the invention will be further clarified by the following illustration of exemplary and non-limiting embodiments described with reference to the drawings.

Side view of rice transplanter according to embodiment of this invention Top view of the operation unit according to the embodiment of the present invention Top view of the controller according to the embodiment of the present invention Schematic diagram of the control system according to the embodiment of the present invention Display screen according to the embodiment of the present invention

An embodiment of the field work machine according to the present invention will be described with reference to FIGS. 1 to 5. In the present embodiment, a case where the field work machine according to the present invention is a rice transplanter 100 that performs rice planting work in the field will be described as an example. The field work machine according to the present invention is not limited to the rice transplanter, and may be, for example, a tractor, a combine, a passenger management machine, or the like.

[Basic configuration of rice transplanter 100]
Hereinafter, the basic configuration of the rice transplanter 100 according to the present embodiment will be described (FIG. 1). The rice transplanter 100 includes a traveling machine 1, a seedling planting device 2 (an example of a field work device), and a control unit 3.

As shown in FIG. 1, the traveling machine body 1 includes an engine 11, wheels 12 including a pair of left and right front wheels 12a and rear wheels 12b, and a driver's seat 13 on which an operator can sit and perform various driving operations. , And a meter panel 14 including a monitor 14a (an example of a display unit) and a steering wheel portion 15 are provided in front of the driver's seat 13. In the following explanation, based on the worker seated in the driver's seat 13, the front direction of the worker is "front", the back direction of the worker is "rear", and the right hand side of the worker is "right". , The left hand side of the worker is defined as "left".

Further, as shown in FIG. 1, the seedling planting device 2 includes a seedling planting section 21 for planting seedlings in the field and a seedling mounting table 22 for placing seedlings planted in the field by the seedling planting section 21. , A fertilizer application unit 23 that supplies fertilizer to the field, and is connected to the traveling machine body 1 via an elevating hydraulic cylinder 24 and a link mechanism 25 that perform an elevating operation of the seedling planting device 2. The seedling planting section 21 and the fertilizing section 23 can independently control the operation or stop. Further, the seedling planting device 2 is configured in a multi-row planting type (for example, 8-row planting), and the number of planting rows can be changed by operating each row clutch (not shown). That is, for example, it is possible to control whether or not the seedling planting work is performed and whether or not the fertilization work is performed every two rows.

The seedling stand 22 is driven back and forth laterally by the planting power transmitted from the engine 11. In addition, the seedling planting section 21 operates in conjunction with the reciprocating lateral feed drive of the seedling stand 22 to plant seedlings in the field.

The seedling planting device 2 is configured to rise when the elevating hydraulic cylinder 24 is retracted, and to descend toward the field scene when the elevating hydraulic cylinder 24 is extended, and the position where the seedling planting device 2 is most raised. In, the link mechanism 25 takes a horizontal posture. Further, when the seedling planting device 2 is lowered and the float 21a of the seedling planting portion 21 is in contact with the field scene, the seedling planting work can be carried out.

The raising and lowering operation of the seedling planting device 2 is controlled by a lever-shaped operating member 152 provided on the handle portion 15. When the lever-shaped operating member 152 is operated upward, the seedling planting device 2 stops the seedling planting operation and rises so as to be separated from the field. On the contrary, when the lever-shaped operating member 152 is operated downward, the seedling planting device 2 descends so as to be in contact with the field and starts the seedling planting operation. This function is used before and after the turning motion of the rice transplanter 100 at the shore. That is, when the rice transplanter 100 approaches the shore of the field, the field is operated upward to interrupt the seedling planting work, and after turning, when the work running involving the seedling planting work is started again, the field is lowered. Operate in the direction to resume the seedling planting work.

As shown in FIG. 3, the handle portion 15 includes a controller 151 (an example of an operation unit), a lever-shaped operation member 152, and a steering wheel 153. The controller 151 and the lever-shaped operating member 152 are provided adjacent to the steering post of the steering 153. More specifically, the controller 151 is provided at the position on the left side of the steering 153, and the lever-shaped operating member 152 is provided at the position on the right side of the steering 153.

As shown in FIG. 2, the controller 151 has a monitor operation button 151a (example of display screen selection operation tool), a "back" button 151b (example of display screen initialization operation tool), and a seedling planting device on the front panel thereof. Rotor control button group 151c for controlling the operation or stop of the rotor (not shown) and the depth at which the rotor cultivates the field, automatic planting button 151d for switching the enable / disable of the automatic planting start function, seedlings A field hardness button 151e that instructs the planting device 2 to make fine adjustments according to the hardness of the surface of the field, and a drug button group 151f that switches the operation or stop of the herbicide spraying device and the insecticide fungicide spraying device. Equipped.

[Control system of rice transplanter 100]
As shown in FIG. 4, the control unit 3 includes a display control unit 31 that controls a display screen displayed on the monitor 14a, and a main control unit 32 that controls the traveling machine body 1 and the seedling planting device 2.

The display control unit 31 displays on the monitor 14a one display screen selected from a plurality of display screens D1 to D7 (examples of display screen groups) to which different functions are assigned. The display control unit 31 changes the display screens to be displayed on the monitor 14a in a preset order based on the artificial operation of the monitor operation button 151a (FIG. 5).

Before the artificial operation for the monitor operation button 151a is performed, the home display screen D1 (example of the initial display screen) is displayed on the monitor 14a. Information that is frequently checked during the rice transplanting work by the rice transplanter 100 is collected on the home display screen D1. For example, in the present embodiment, information on the number of plants, planting depth, fertilizer application amount, and seedling collection amount is displayed on the home display screen D1.

When the monitor operation button 151a is rotated to the right while the home display screen D1 is displayed on the monitor 14a, the display screen is changed in the order of the edge alignment support function setting screen D2 and the automatic straight-ahead function setting screen D3. .. Contrary to the above, when the monitor operation button 151a is rotated to the left while the home display screen D1 is displayed on the monitor 14a, the area system information display screen D4, the Monroe setting screen D5, the function setting screen D6, It is changed in the order of. Further, when the monitor operation button 151a is rotated to the right while the automatic straight-ahead function setting screen D3 is displayed on the monitor 14a, the function setting screen D6 is displayed, and the monitor operation button 151a is left while the function setting screen D6 is displayed. When rotated in the direction, the automatic straight-ahead function setting screen D3 is displayed. That is, when the monitor operation button 151a is rotated to the right, the display screens are changed in the order of display screens D1, D2, D3, D6, D5, D4, and D1.

When any of the display screens D1 to D6 is displayed and the monitor operation button 151a is pressed down, the screen shifts to a screen where detailed settings of the functions assigned to the display screen can be set. For example, if the monitor operation button 151a is pressed while the home display screen D1 is displayed, the screen shifts to a display screen (not shown) in which the setting values of each item of the number of plants, planting depth, fertilizer application amount, and seedling amount can be changed. do.

Further, regardless of which of the display screens D1 to D6 is displayed, the error information display screen D7 is displayed on the monitor 14a when any abnormality occurs in the traveling machine body 1 or the seedling planting device 2. The display of the error information display screen D7 takes precedence over any of the display screens D1 to D6 displayed when the abnormality occurs, and is displayed in place of the display screens D1 to D6. With this configuration, it is possible to promptly notify the operator of the occurrence of an abnormality regardless of which of the display screens D1 to D6 is displayed on the monitor 14a. The error information display screen D7 is selected from a warning screen D7a for notifying an abnormality with a high degree of urgency or a notification screen D7b for notifying an abnormality with a low degree of urgency.

Here, regardless of which of the display screens D1 to D7 is displayed, when the "back" button 151b is pressed, the home display screen D1 is displayed on the monitor 14a. With this configuration, the home display screen D1 in which information frequently checked during work is aggregated can be displayed with a simple operation.

The control unit 3 includes a maintenance mode in case of a failure of the controller 151. When the control unit 3 detects a failure of the controller 151, or when an artificial operation for the maintenance changeover switch (not shown) is performed, the control unit 3 starts the operation in the maintenance mode. In the maintenance mode, the artificial operation for the monitor operation button 151a can be replaced by the artificial operation for the lever-shaped operation member 152. Specifically, the rotation operation for the monitor operation button 151a is replaced by the horizontal operation for the lever-shaped operation member 152, and the pressing operation for the monitor operation button 151a is replaced by the downward operation for the lever-shaped operation member 152. With this configuration, even if the controller 151 fails, the display screen displayed on the monitor 14a can be changed, and the operations necessary for recovery can be performed.

Further, the control unit 3 guides the edge-aligning work (example of specific operation) for moving the seedling mounting table 22 to either the left or right end of the reciprocating lateral feed drive range (example of specific operation control mode). Equipped with.

In order to carry out the seedling planting work by the rice transplanter 100, it is necessary to place the seedlings on the seedling stand 22.
The seedlings placed on the seedling stand 22 are mat-shaped seedlings formed in a rectangular mat shape according to the shape of the seedling stand 22. In order to collect seedlings in order from one of the left and right ends of the lower end of the mat-shaped seedling to the other end, the seedling mounting table 22 is moved to either the left or right end of the reciprocating lateral feed drive range. In this state, the mat-shaped seedlings are placed on the seedling stand 22. Therefore, before placing the mat-shaped seedlings on the seedling stand 22, it is necessary to move the seedling stand 22 to either the left or right end. This work is called end-alignment work, and the guidance mode is a mode having a function of guiding this end-alignment work.

When the monitor operation button 151a is operated to display the edge alignment support function setting screen D2, the monitor 14a displays a display screen prompting the operator to input whether or not to activate the guidance mode. If the monitor operation button 151a is pressed here, the guidance mode is activated. In the guidance mode, the display control unit 31 displays information and instructions that need to be transmitted to the operator on the monitor 14a to guide the operator so that the edge alignment work can be smoothly performed, and also mainly. The control unit 32 monitors and controls the states of the traveling machine 1 and the seedling planting device 2 as necessary.

When the "back" button 151b is pressed while the guidance mode is running, a display screen (example of a cancellation guidance display screen) for requesting the consent of the operator to cancel the guidance mode is displayed on the monitor 14a. Here, when the "return" button 151b is further pressed or the monitor operation button 151a is pressed, the guidance mode is terminated and the control of the traveling machine body 1 and the seedling planting device 2 is released.

[Other embodiments]
Finally, other embodiments of the field working machine according to the present invention will be described. The configurations disclosed in each of the following embodiments can be applied in combination with the configurations disclosed in other embodiments as long as there is no contradiction.

In the above embodiment, the configuration in which the field work machine according to the present invention is a rice transplanter 100 provided with the seedling planting device 2 has been described as an example. However, without being limited to such a configuration, the field work machine according to the present invention may be, for example, a rice transplanter equipped with a sowing device, or a field work machine such as a tractor, a combine harvester, or a passenger management machine. It may be a machine. When the field work machine is a tractor, various field work devices such as a ridge device, a ridge sowing device, a multi-work device, a fertilizer spraying device, and a boom sprayer device can be attached as the field work device. Further, a display screen capable of making various settings corresponding to the work contents of each field work machine or field work device may be configured to be displayed on the display unit.

In the above embodiment, when an abnormality occurs in the traveling machine 1 or the seedling planting device 2, the error information display screen is replaced with any of the display screens D1 to D6 displayed when the abnormality occurs. The configuration in which D7 is displayed has been described as an example. However, without being limited to such a configuration, the abnormality notification screen may be displayed on top of other display screens, or may be displayed side by side with other display screens.

In the above embodiment, a configuration in which a specific operation controlled in the specific operation control mode is an edge-aligning operation has been described as an example. However, without being limited to such a configuration, the specific operation controlled in the specific operation control mode is an operation related to various functions such as automatic straight-ahead operation, fertilizer application amount control, and automatic planting restart after turning along the shore. May be.

In the above embodiment, the configuration including the controller 151 including the monitor operation button 151a and the “back” button 151b has been described as an example. However, without being limited to such a configuration, the display screen selection operation tool and the display screen initialization operation tool may be provided in other parts. For example, it may be provided integrally with the steering or may be provided in the vicinity of the driver's seat.

It should be understood that with respect to other configurations, the embodiments disclosed herein are exemplary in all respects and the scope of the invention is not limited thereto. Those skilled in the art will be able to easily understand that modifications can be made as appropriate without departing from the spirit of the present invention. Therefore, another embodiment modified without departing from the spirit of the present invention is naturally included in the scope of the present invention.

The present invention can be used for, for example, rice transplanters, tractors, combines, passenger management machines, and the like.

100: Rice transplanter 1: Traveling machine 11: Engine 12: Wheels 12a: Front wheels 12b: Rear wheels 13: Driver's seat 14: Meter panel 14a: Monitor 15: Steering wheel 151: Controller 151a: Monitor operation button 151b: "Back" button 151c: Rotor control button group 151d: Automatic planting button 151e: Field hardness button 151f: Drug button group 152: Lever-shaped operation member 153: Steering 2: Seedling planting device 21: Seedling planting part 21a: Float 22: Seedling Platform 23: Fertilizer application unit 24: Hydraulic cylinder for raising and lowering 25: Link mechanism 3: Control unit 31: Display control unit 32: Main control unit D1: Home display screen

Claims (3)

It is equipped with a traveling machine, a field work device, a display unit, an operation unit, and a control unit.
The operation unit includes a display screen selection operation tool, a display screen initialization operation tool, and a display screen initialization operation tool.
It has a lever-shaped operating member that is independent of the operating unit .
The control unit displays at least one display screen selected based on the display screen selection operation for the display screen selection operation tool from the plurality of predetermined display screen groups on the display unit, and displays the display screen on the display unit. When the initialization operation for the display screen initialization operation tool is performed, a predetermined initial display screen is displayed on the display unit regardless of the type of display screen displayed when the initialization operation is performed. ,
The control unit includes a maintenance mode that can be operated when the operation unit fails, and in the maintenance mode, at least a part of the artificial operation on the operation unit can be replaced by the human operation on the lever-shaped operation member. Field work machine. It is equipped with a traveling machine, a field work device, a display unit, an operation unit, and a control unit.
The operation unit has a display screen selection operation tool and a display screen initialization operation tool.
The control unit displays at least one display screen selected based on the display screen selection operation for the display screen selection operation tool from the plurality of predetermined display screen groups on the display unit, and displays the display screen on the display unit. When the initialization operation for the display screen initialization operation tool is performed, a predetermined initial display screen is displayed on the display unit regardless of the type of display screen displayed when the initialization operation is performed. ,
The control unit includes a specific operation control mode for controlling a specific operation of the field work apparatus, and a specific operation setting screen corresponding to the specific operation control mode is displayed on the display unit while the specific operation control mode is activated. Can be displayed and
When an artificial operation is performed on the display screen initialization operation tool while the specific operation setting screen is being displayed , the worker is asked to cancel the specific operation and the specific operation control mode. A cancellation guidance display screen indicating that consent is requested is displayed on the display unit.
When the worker performs an artificial operation to consent to the cancellation, the field work machine that executes the cancellation. The field work device is a seedling planting device having a seedling stand that can reciprocate in the left-right direction.
The field work machine according to claim 2 , wherein the specific operation is an edge-aligning operation for moving the seedling stand to one of the left and right ends of the range of motion of the reciprocating operation.

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