JP2021118731A - Agricultural work machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an agricultural work machine having enhanced convenience for a user regarding operation or warning. SOLUTION: A farm work machine 1 for performing a predetermined farm work, a display device 71 capable of displaying a warning about the farm work, a voice output device 76 for outputting voice guidance corresponding to the warning, and a state in which the farm work is abnormal. When information indicating that the farm work is in an abnormal state is input from the detection means 16a, 16b, 24a, 60 and the detection means 16a, 16b, 24a, 60, which detect the presence of the information, a warning corresponding to the information is issued. A control device 61 that controls the display device 71 so as to be displayed on the display device 71, and controls the voice output device 76 so that the voice output device 76 outputs voice guidance including a solution to the abnormal state. To be equipped. [Selection diagram] Fig. 4

Description

The present invention relates to an agricultural work machine.

Conventionally, a self-propelled pest control machine (passenger management machine, fruit tree pest control machine, etc.) equipped with a control device for performing various operations is known. There is known a technique for generating a sound to warn (notify) an agricultural work machine provided with such a control device, for example, when an abnormality occurs or an operating state is inappropriate.

For example, in the technique described in Patent Document 1, the agricultural work machine is provided with various sensors, and the controller receives the detection signal of the sensors and causes the voice alarm unit to output a voice alarm. When an abnormality occurs in any of the sensors, the controller causes the voice alarm unit to output a voice alarm having a content indicating the name of the sensor in which the abnormality has occurred. In the technique described in Patent Document 2, when the spraying amount of the chemical solution and the set amount of the spraying condition are different, the control device notifies by buzzer or voice that the spraying condition is inappropriate. In the technique described in Patent Document 3, when the steering timing is not appropriate (too early), the control device notifies by buzzer or voice that the steering timing is not appropriate.

In addition to these techniques, there are conventionally known agricultural work machines that notify a user of a warning by using a visual device such as an indicator light or a liquid crystal display.

Japanese Unexamined Patent Publication No. 2000-31516 Japanese Unexamined Patent Publication No. 2012-60899 Japanese Unexamined Patent Publication No. 2012-120481

In the conventional technology, various problems remain in terms of convenience. Further, although the warnings have been described in Patent Documents 1 to 3, the convenience has been insufficient in the past with respect to the operation method (operation procedure or usage method) of the electronic device provided in the agricultural work machine. For example, a label describing the usage method is installed near the operation unit, an instruction manual using a paper medium or an electronic medium is provided, or the usage method is displayed on the liquid crystal display unit. However, when a label is used, there is a problem that sufficient explanation cannot be given due to the limitation of the size of the label. When a paper-based instruction manual is used, it is troublesome to find out where the necessary information is located. When an instruction manual in an electronic medium is used, a device (for example, a smartphone, etc.) for viewing the instruction manual is required. When the display on the liquid crystal display unit is used, it is difficult to provide sufficient information as with the above-mentioned label, and the screen to be operated and the information providing screen regarding the operation method are the same. After memorizing the contents of the information about the operation method, it is necessary to return to the operation screen and perform the operation. In any of these cases, for safety, the user needs to suspend the work and then refer to the operation method.

An auditory device such as a buzzer may be used as in Patent Documents 1 to 3, but an auditory device using an indicator lamp or a liquid crystal display may also be used. However, when an auditory device such as a buzzer is used, the user can immediately know that some abnormality has occurred, but when there are multiple buzzer sounding factors, it is possible to grasp which problem is occurring. You can't. In some cases, the ringing pattern is used properly according to the factor, but even in that case, the user needs to remember the correspondence between the ringing pattern and the factor. When an indicator light is used, there is a problem that visibility may be lowered due to dirt on the indicator light. Alternatively, the display may go unnoticed due to the user's attention elsewhere. A common drawback when a buzzer or indicator light is used is that the user must know in advance what to do to eliminate the abnormal condition. Another drawback is that the user must refer to the necessary information. When an auditory device with a liquid crystal display is used, it is necessary for the user to move his / her line of sight in order to read the content displayed on the visual device. During work, there is shaking and vibration caused by the movement of the vehicle, which reduces the visibility of the visual device and increases the burden on the user.

An object of the present invention is to provide an agricultural work machine that is more convenient for the user in terms of operation or warning.

The present invention is a farm work machine (1) for performing a predetermined farm work, and includes a display device (71) capable of displaying a warning regarding the farm work, and a voice output device (76) for outputting voice guidance corresponding to the warning. , Input information indicating that the farm work is in an abnormal state from the detection means (16a, 16b, 24a, 60) for detecting that the farm work is in an abnormal state and the detection means (16a, 16b, 24a, 60). At that time, the display device (71) is controlled so that the warning corresponding to the information is displayed on the display device (71), and the voice guidance including the solution to the abnormal state is sent to the voice output device (76). A control device (61) that controls an audio output device (76) so as to output the sound is provided.

According to the farm work machine (1), when the control device (61) inputs information indicating that the farm work is in an abnormal state from the detection means (16a, 16b, 24a, 60), a warning corresponding to the information is issued. A voice guidance displayed on the display device (71) and further including a solution to the abnormal state is output from the voice output device (76). Therefore, the user can not only recognize the abnormal state visually, but also know the solution to the abnormal state (that is, the solution to return to the normal state) through hearing by listening to the voice guidance. can. There is no need to interrupt work and refer to the instruction manual in order to resolve the abnormal condition. For example, it is not necessary to refer to the display device (71) to know the solution for a certain abnormality. Therefore, the convenience for the user is enhanced with respect to the warning issued based on the control performed by the control device (60, 61).

Agricultural work is the spraying of chemicals, and the detection means (16a, 16b, 24a, 60) can detect that the chemicals cannot be sprayed per unit area as an abnormal state, and the control device (61). ) Displays a warning on the display device (71) that the spraying amount of the drug cannot be used when the information indicating that the drug cannot be sprayed is input, and the drug is sprayed. The voice output device (76) may output voice guidance including a solution for spraying in an amount. In the agricultural work machine (1), the amount of the chemical sprayed per unit area is set, and in order to spray the chemical according to the sprayed amount, for example, the speed of the vehicle, the spray pressure of the chemical, the capacity of the spray pump, and the spray nozzle (5). ) Must meet the specified conditions. If the predetermined conditions are not satisfied, the detection means (16a, 16b, 24a, 60) detects that the spraying amount of the drug cannot be sprayed, and a warning to that effect is displayed by the display device (71). ) Is displayed. In addition, the voice output device (76) outputs a voice guidance including a solution (for example, an instruction to reduce the speed of the vehicle) for spraying with the spray amount of the drug. Therefore, the user can easily know the solution for spraying the drug by the amount of the drug sprayed by listening to the voice guidance.

Either or both of the display device (71) and the audio output device (76) may be separate from the control device (61). In this case, the display device (71) or the audio output device (76) can be miniaturized. There are no restrictions on the layout of each separate device, for example, the display device (71) or voice output device (76) is placed in a position that is convenient for the user (that is, easy to see or listen to voice guidance). While being installed, the control device (61) can be installed at a position where it is easy to prevent the occurrence of a failure.

According to the present invention, the convenience for the user is enhanced with respect to the operation or warning.

It is a right side view which shows one Embodiment of the agricultural work machine of this invention. It is a transmission system diagram of the agricultural work machine of FIG. It is a piping system diagram of the agricultural work machine of FIG. It is a block diagram which shows the structure around the electronic device of the agricultural work machine of FIG. It is a figure which shows the example in which the operation device, the display device, and the control device are integrally provided. It is a figure which shows an example of the hardware composition of an electronic device. It is a figure which shows the operation example of the program in a control device. It is a figure which shows an example of various voice guidance corresponding to a main screen. It is a figure which shows an example of various voice guidance corresponding to the occurrence of a warning. It is a figure which shows an example of various voice guidance corresponding to a spraying plan. It is a figure which shows an example of various voice guidance corresponding to the selection / editing of a spray nozzle. It is a figure which shows an example of various voice guidance corresponding to speed correction and setting of a spray width.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the description of the drawings, the same elements are designated by the same reference numerals, and duplicate description will be omitted.

The basic configuration of the pest control machine (agricultural work machine) 1 according to the embodiment will be described with reference to FIG. The pest control machine 1 is a self-propelled passenger management machine including a vehicle 2 and a boom nozzle device 3 which is a chemical spraying device. The pest control machine 1 sprays the chemical solution (drug) stored in the chemical solution tank 10 while running the vehicle 2 in the field. The pest control machine 1 sprays a chemical solution (predetermined agricultural work) based on an operation performed by a driver (user).

A front axle 8 and a rear axle 9 (see FIG. 2) extending in the width direction of the vehicle 2 are attached to each of the front portion and the rear portion of the vehicle body frame 4 of the vehicle 2. The front wheels 6 and the rear wheels 7 are attached to the front axle 8 and the rear axle 9, respectively, via knuckles 8a and 9a extending in the vertical direction. In the pest control machine 1, four-wheel drive traveling is possible by the drive rotation of the front wheels 6 and the rear wheels 7.

The vehicle body frame 4 is provided with a chemical solution tank 10 at a central portion in the front-rear direction thereof. A recess is formed in the center of the front end portion of the chemical solution tank 10, and a driver's seat 11 on which the driver sits is provided in the recess. An engine room 13 is provided behind the chemical tank 10. The engine room 13 is provided with an engine 21 as a drive source, a spray pump 22 for spraying a chemical solution, and the like (see FIG. 2).

The boom nozzle device 3 described above is attached to the vehicle body frame 4 in front of the operating device unit 12. The central portion of the boom nozzle device 3 in the left-right direction is supported by the vehicle body frame 4, and the boom nozzle device 3 can swing like a pendulum. More specifically, a four-section link device 41 is installed at the front end of the vehicle body frame 4 so as to extend forward. The boom nozzle device 3 fixed to the front link of the four-section link device 41 can be moved up and down.

The boom nozzle device 3 has a center boom (not shown) extending in the left-right direction and a pair of side booms 50 connected to both left and right ends of the center boom. The boom nozzle device 3 is provided with an opening / closing mechanism 55 for opening / closing the side booms 50 and 50 with respect to the center boom. The opening / closing mechanism 55 rotates the side boom 50 around both ends of the center boom, and rotates the side boom 50 around the base end of the side boom 50. By opening and closing the side boom 50 and moving it up and down sequentially or simultaneously, the side boom 50 can be deployed and retracted. The opening / closing mechanism 55 deploys the side boom 50 so as to be in line with the center boom in the used state.

The transmission system of the pest control machine 1 in the vehicle 2 will be described with reference to FIG. In the vehicle 2, the power required for spraying the chemical solution by the spray pump 22 and running the vehicle 2 is supplied by the power of the engine 21. An electromagnetic clutch 28 for turning on / off the spray pump 22 is provided between the engine 21 and the spray pump 22. For example, a gear type speed reducer 24 is installed in front of the engine 21. A hydrostatic transmission (Hydraulic Static Transmission, hereinafter referred to as HST) 25 for transmitting the power of the engine 21 to the speed reducer 24 is provided between the speed reducer 24 and the engine 21. The HST 25 is a mechanism that uses the power of the engine 21 to generate an electric pressure, and supplies rotational driving force to the front wheels 6 and the rear wheels 7 by the electric pressure to drive the vehicle 2. The rotational power of the engine 21 is transmitted to the rear axle 9 via the HST 25, the speed reducer 24, and the rear differential 30 which is a transmission device attached to the rear axle 9. Further, the rotational power of the engine 21 is transmitted to the knuckle 8a via the universal shaft 29 extending further in the front-rear direction from the speed reducer 24 and the front differential 31 which is a transmission device attached to the front axle 8. The speed reducer 24 is provided with a vehicle speed sensor 24a for measuring the speed of the vehicle 2.

The piping system in the pest control machine 1 will be described with reference to FIG. A liquid feed valve 17, a drain plug 18, and a strainer 19 are provided in this order on the first supply line L1 that connects the chemical liquid tank 10 and the spray pump 22. The second supply line L2 connected to the discharge side of the spray pump 22 is provided with a pressure adjusting device 16 for adjusting the spray pressure by the spray pump 22. The pressure adjusting device 16 includes a pressure sensor 16a for measuring the spray pressure, a flow rate sensor 16b for measuring the spray flow rate, and a pressure adjusting motor 16c for adjusting the spray pressure. The pressure adjusting device 16 is connected to a center liquid feeding line L3 connected to the spray pipe 46a of the center boom and a pair of side liquid feeding lines L4 and L4 connected to the liquid feeding pipe 51 of the side boom 50. A plurality of spray nozzles 5 for spraying a drug are attached to the spray pipe 46a and the liquid feed pipe 51. Further, the pressure adjusting device 16 is connected to the chemical liquid tank 10 via the first return line L5 and the second return line L6. A cock 15a is provided on the first return line L5. The second return line L6 is connected to the discharge side of the jet pump 15. A foot valve 15b is provided on the second return line L6. The first return line L5 joins the discharge side of the jet pump 15 and the upstream side of the foot valve 15b.

As shown in FIG. 1, the front end portion of the vehicle body frame 4 is provided with an operating device for driving operation and an operating device for spraying chemical solution (chemical solution) at intervals on the front side of the driver's seat 11. The equipment unit 12 is arranged. The operation device unit 12 includes a handle 23 for steering the vehicle 2, operation switches 12a for operating the vehicle 2, and a pressure adjustment handle for controlling the pressure adjusting device 16 to adjust the pressure of the chemical solution (the pressure adjusting handle 12). (Not shown) and.

Subsequently, with reference to FIGS. 4, 5 and 6, a configuration relating to an electronic device having a display / sound reproduction function included in the control device 1 of the present embodiment will be described. As shown in FIG. 4, the control device 1 includes the above-mentioned operation switches 12a, a first electronic device 60 for controlling the vehicle 2, and sensors (vehicle speed) for measuring each state related to spraying the chemical solution. It includes a sensor 24a, a pressure sensor 16a and a flow rate sensor 16b), actuators (pressure adjusting motor 16c and an electromagnetic clutch 28), and a second electronic device 80 having a display / sound reproduction function. In the pest control device 1, the first electronic device 60 and the second electronic device 80 are separate bodies, but the first electronic device 60 and the second electronic device 80 may be integrated. When the first electronic device 60 and the second electronic device 80 are separate bodies, data can be exchanged between these electronic devices by in-vehicle communication. As the in-vehicle communication, for example, CAN (Controller Area Network) or the like can be used.

As shown in FIGS. 5 and 6, the second electronic device 80 includes a touch panel (operation device) 72 for the user to make settings (operations) regarding the spraying of the chemical solution, and various information (warnings) regarding the spraying of the chemical solution. A liquid crystal display device (display device) 71 capable of displaying (including), an audio output device (voice output device) 76 that outputs voice guidance to the user, and a controller unit (control device) 61 that controls these devices. It has both. Therefore, the second electronic device 80 is provided at a position within reach of the user seated in the driver's seat 11 and easily visible to the user, such as in front of the driver's seat 11 (see FIG. 1). As shown in FIG. 5, the display device 80 may include a touch panel 72 as an operating device displayed on the liquid crystal display device 71.

As shown in FIG. 6, the second electronic device 80 includes a core controller unit 61, and a peripheral device 70 that exchanges signals with the controller unit 61 via the peripheral device interface 65. The controller unit 61 includes a CPU 62 which is an arithmetic unit and a ROM 63 and a RAM 64 which are storage devices. The peripheral device 70 includes a liquid crystal display device 71, a touch panel 72, a button 73, a USB interface 74, a communication interface 75 with the vehicle 2, an audio output device 76, and a rotary encoder 77. The rotary encoder 77 may be attached to a dial 78 (see FIG. 5) operated by the user. That is, the second electronic device 80 may include a dial 78 and a rotary encoder 77 as operating devices. The second electronic device 80 may include a plurality of buttons 73 as operating devices. For example, six buttons 73 are arranged vertically on the left side and the right side of the liquid crystal display device 71, respectively. For example, the six buttons 73 on the left side may be F1 to F6 buttons in order from the top, and the six buttons 73 on the right side may be F7 to F12 buttons in order from the top.

In the ROM 63, the basic software (OS) 66 that manages the controller unit 61, the program 67 that executes the control related to the control device 1 and the processing related to the voice guidance, and a plurality of voice data 68 necessary for executing the voice guidance (See FIGS. 8 to 12) and are stored. In the voice data 68, the above-mentioned states regarding the spraying of the chemical solution are associated with the voice reproduction conditions by the program 67.

The first electronic device 60 also has the same configuration as the controller unit 61 of the second electronic device 80. The first electronic device 60 inputs information regarding the spraying of the chemical solution from the operating device of the second electronic device 80, and controls the actuators (pressure adjusting motor 16c and the electromagnetic clutch 28) of the pest control device 1. Further, the first electronic device 60 inputs the measured values of the above-mentioned states regarding the spraying of the chemical solution from the sensors (vehicle speed sensor 24a, pressure sensor 16a and flow rate sensor 16b) of the pest control device 1, and the spraying of the chemical solution is abnormal. Determine if it is in a state. The first electronic device 60 and the sensors correspond to detection means for detecting that the farm work is in an abnormal state.

In the pest control machine 1 having the above configuration, the state of operation related to the spraying of the chemical solution or the operation method of the second electronic device 80 and the solution when the spraying of the chemical solution is in an abnormal state are used by voice guidance through hearing. It is possible to guide people. 8 and 10 to 12 show an example of a voice guidance list relating to an operation state or an operation method. FIG. 9 shows an example of a voice guidance list regarding a solution solution when a warning occurs. As shown in each figure, the frequency of voice guidance and voice guidance is defined for each operation and state (phenomenon). The operation / state (phenomenon) described in "when" shown in FIGS. 8 to 12 corresponds to the audio reproduction condition.

In the control work, the amount of the chemical solution to be sprayed per unit area is required to be a specified amount (for example, 100 L per 10 a). In the operating device of the second electronic device 80, the amount of the chemical solution to be sprayed per unit area can be set. Further, the spray nozzle 5 attached to the spray pipe 46a and the liquid supply pipe 51 (boom nozzle device 3) has a different correlation (characteristic) of the spray amount (L / 10a) with respect to the spray pressure (MPa) depending on the type. .. In the operating device of the second electronic device 80, the type of spray nozzle 5 to be attached can be set. The sum of the spray amounts of each spray nozzle 5 corresponds to the total spray amount (target value) of the chemical solution by the pest control machine 1. On the other hand, the first electronic device 60 communicates with the second electronic device 80 and each sensor, and the specified spraying amount set by the user and the characteristics of the spray nozzle 5 used for spraying set by the user. Using the speed of the vehicle 2 obtained from the vehicle speed sensor 24a, the spray pressure at which the spray amount per unit area is a specified amount is calculated, and the calculated value and the value of the pressure sensor 16a are calculated with respect to the pressure adjusting device 16. The pressure adjusting motor 16c is controlled so that

A process in the second electronic device 80 (that is, an operation example of the program 67) will be described with reference to FIG. 7. The controller unit 61 of the second electronic device 80 monitors the vehicle information and the state of the input device (step S01). The vehicle information referred to here is the speed of the vehicle 2, the spray pressure of the chemical solution, and the spray flow rate of the chemical solution. The input device is an operating device such as a liquid crystal display device 71, a touch panel 72, a button 73, and a rotary encoder 77 (dial 78). Next, the controller unit 61 determines whether or not the audio reproduction condition is satisfied (step S02). For example, when the touch panel 72 is operated while a specific figure is displayed on the liquid crystal display device 71, the controller unit 61 controls the audio output device 76, and the effect of the operation is performed. Is output as voice guidance. For example, when an operation for changing the setting of the spray amount per unit area is performed, the controller unit 61 inputs information regarding the spray amount per unit area. When the controller unit 61 inputs the information, the controller unit 61 reads out the voice data associated with the voice reproduction condition from the ROM 63 (step S03), and provides voice guidance to the effect that the target spray amount has been set (for example, "spray amount of". The target value has been changed. ”“ The target spray amount is 〇〇L / 10a. ”, Etc.) is output to the audio output device 76 (step S04) (see FIG. 8). In addition, in FIGS. 8 to 12, the "total spraying amount" means the "spraying amount per unit area" or its target value (target spraying amount).

Alternatively, the user operates the input device of the second electronic device 80 to set the type of the spray nozzle 5 before the work. At this time, when an input device such as the touch panel 72 or the button 73 is operated by the user, the controller unit 61 inputs information regarding the type of the spray nozzle 5 to be used. When the controller unit 61 inputs the information, the controller unit 61 reads out the voice data associated with the voice reproduction condition from the ROM 63 (step S03), and voice guidance (for example, "setting" that the type of the spray nozzle 5 is set. Has been changed. ”Is output to the audio output device 76 (step S04) (see FIG. 11). As shown in FIGS. 8, 10, 11 and 12, the audio data 68 has the effect of the operation. Or, the content that the user should operate next is included.

Alternatively, during the control work, the spray pressure is controlled so that the spray amount per unit area is constant even if the speed of the vehicle 2 fluctuates. However, the spray pressure calculated based on the measured value of the vehicle speed sensor 24a may exceed the capacity of the spray pump 22. This is a kind of abnormal spraying of the drug solution. In this state, since spraying cannot be performed with a predetermined spraying amount, information indicating that spraying cannot be performed with a predetermined spraying amount is output from the first electronic device 60 to the second electronic device 80, and the second The controller unit 61 of the electronic device 80 inputs the information. When the controller unit 61 inputs the information, the controller unit 61 causes the liquid crystal display device 71 to display a warning that the spraying cannot be performed with a predetermined spraying amount. At the same time, the controller unit 61 reads the voice data associated with the voice reproduction condition from the ROM 63 (step S03), and voice guidance (for example, "spraying") including a solution for spraying at a predetermined spraying amount. Please reduce the amount or speed. ”Etc.) Is output to the audio output device 76 (step S04) (see FIG. 9). As shown in FIG. 9, the audio data 68 includes a solution to an abnormal state in farm work (ie, a solution to return to a normal state). The voice guidance may include a warning, and the warning and the subsequent solution may be output from the audio output device 76.

According to the pest control machine 1 of the present embodiment, the user operates using the operating device, and the pest control machine 1 is controlled by the first electronic device 60. When the controller unit 61 of the second electronic device 80 inputs information related to farm work, the audio guidance corresponding to the information is output from the audio output device 76. Therefore, the user does not need to read the instruction manual or the corresponding one, and can know the state of operation or the method of operation to be performed through hearing by listening to the voice guidance. For example, it is not necessary to refer to the liquid crystal display device 71 to know the operation method for a certain operation. Therefore, the convenience for the user is enhanced with respect to the operation of the operating device. By changing from the conventional visual guidance to the auditory guidance, it is not necessary to look at the screen of the display device, and the burden on the user is reduced. Furthermore, the problems and drawbacks of the above-mentioned conventional techniques are improved.

When the user sets the amount of the drug to be sprayed per unit area using the operating device, the audio output device 76 outputs a voice guidance to the effect that the amount of the drug to be sprayed has been set. Therefore, the user can start the spraying work of the drug through hearing without visually confirming anything. The amount of the drug sprayed is one of the important setting items in the drug spraying work. Convenience in the chemical spraying operation is enhanced in that it is easy to confirm that the chemical spraying amount has been set.

Alternatively, when the user sets the type of the spray nozzle 5 using the operating device, the audio output device 76 outputs a voice guidance to the effect that the type of the spray nozzle 5 has been set. Therefore, the user can start the spraying work of the drug through hearing without visually confirming anything. The type of spray nozzle is one of the important setting items in the spraying work of the chemicals. Convenience in the chemical spraying work is enhanced in that it is easy to confirm that the type of spray nozzle has been set.

From the viewpoint of warning, when the first electronic device 60 inputs information indicating that the farm work is in an abnormal state from the detection means, a warning corresponding to the information is displayed on the liquid crystal display device 71, and further, the warning is displayed. Voice guidance including a solution to the abnormal state is output from the audio output device 76. Therefore, the user can not only recognize the abnormal state visually, but also know the solution to the abnormal state (that is, the solution to return to the normal state) through hearing by listening to the voice guidance. can. There is no need to interrupt work and refer to the instruction manual in order to resolve the abnormal condition. For example, it is no longer necessary to refer to the audio output device 76 to find a solution to an anomaly. Therefore, the convenience for the user is enhanced with respect to the warning issued based on the control performed by the first electronic device 60 and the second electronic device 80. By audibly presenting the solution, it is not necessary to look at the screen of the display device, and the burden on the user is reduced. Furthermore, the problems and drawbacks of the above-mentioned conventional techniques are improved.

In the agricultural work machine, the amount of the chemical sprayed per unit area is set, and in order to spray the chemical according to the sprayed amount, for example, the speed of the vehicle 2, the spray pressure of the chemical, the capacity of the spray pump 22, and the type of the spray nozzle 5. Etc. need to meet the predetermined conditions. If the predetermined condition is not satisfied, the detection means detects that the chemical cannot be sprayed at the set spraying amount, and a warning to that effect is displayed on the liquid crystal display device 71. In addition, the audio output device 76 outputs a voice guidance including a solution (for example, an instruction to reduce the speed of the vehicle) for spraying with the spray amount of the drug. Therefore, the user can easily know the solution for spraying the drug by the amount of the drug sprayed by listening to the voice guidance.

Although the embodiment of the present invention has been described above, the present invention is not limited to the above embodiment. For example, from the viewpoint of the operation method, either or both of the operation device and the audio output device may be separate from the control device. In this case, the operation device or the voice output device can be miniaturized. There are no restrictions on the layout of each separate device, for example, while installing the operation device or voice output device in a position that is convenient for the user (that is, easy to operate or easy to hear voice guidance). The control device can also be installed at a position where it is easy to prevent the occurrence of failure.

Further, from the viewpoint of warning, either or both of the display device and the audio output device may be separate from the control device. In this case, the display device or the audio output device can be miniaturized. There are no restrictions on the layout of each separate device, for example, the control device while installing the display device or voice output device in a position that is convenient for the user (that is, easy to see or listen to voice guidance). Can also be installed in a position where it is easy to prevent the occurrence of failures.

The present invention can also be applied to agricultural work other than spraying a chemical solution. In addition to the voice guidance shown in FIGS. 8 to 12, various voice guidance may be output to the voice output device. For example, the voice output device may output voice guidance regarding adjustment of the flow rate sensor 16b, clock setting, screen brightness setting, diagnostic screen, usage screen, flow rate display unit setting, or voice guidance setting.

1 ... Control machine (agricultural work machine), 2 ... Vehicle, 5 ... Spray nozzle, 16 ... Pressure regulating device, 16a ... Pressure sensor (detecting means), 16b ... Flow sensor (detecting means), 16c ... Pressure regulating motor, 22 ... Spray pump, 24a ... Vehicle speed sensor (detection means), 28 ... Electromagnetic clutch, 60 ... First electronic device (control device, detection means), 61 ... Controller unit (control device), 68 ... Voice data, 71 ... Liquid crystal display device (Display device), 72 ... Touch panel (operation device), 73 ... Button (operation device), 76 ... Audio output device (audio output device), 77 ... Rotary encoder (operation device), 78 ... Dial (operation device), 80 … Second electronic device.

Claims (3)

It is an agricultural work machine (1) that performs a predetermined agricultural work.
A display device (71) capable of displaying a warning regarding farm work, and
A voice output device (76) that outputs voice guidance corresponding to the warning, and
Detection means (16a, 16b, 24a, 60) for detecting that the farm work is in an abnormal state, and
When information indicating that the farm work is in an abnormal state is input from the detection means (16a, 16b, 24a, 60), the warning corresponding to the information is displayed on the display device (71). A control device (61) that controls the display device (71) and controls the voice output device (76) so that the voice guidance including a solution to the abnormal state is output to the voice output device (76). ), And an agricultural work machine (1). The farming work is the spraying of chemicals,
The detection means (16a, 16b, 24a, 60) can detect that the chemical cannot be sprayed by the amount of the chemical sprayed per unit area as the abnormal state.
When the control device (61) inputs the information indicating that spraying cannot be performed with the spray amount of the drug, the display device (61) warns that spraying cannot be performed with the spray amount of the drug. The agricultural work machine (1) according to claim 1, wherein the voice guidance including the solution for spraying at the spraying amount of the drug is output to the voice output device (76) while being displayed on 71). ). The agricultural work machine (1) according to claim 1 or 2, wherein either or both of the display device (71) and the audio output device (76) are separate from the control device (61).

Images