JP2021073898A - Work machine - Google Patents

Abstract

To provide a work machine that can properly transmit work information to a server.SOLUTION: A work machine includes: a work unit for performing a ground work; a measurement unit for measuring work information that is information generated while the work unit works; and a communication unit 27 capable of communicating with an external server 17. The communication unit transmits the work information measured by the measurement unit 21 to a server when the work unit is in a working state.SELECTED DRAWING: Figure 2

Description

The present invention relates to a working machine.

Conventionally, as a working machine, for example, the working machine described in Patent Document 1 is known. The work machine described in Patent Document 1 can communicate with a work unit that performs ground work (“seedling planting device [12]” in the document) and an external server (“management center [6]” in the document). A communication unit (“line communication unit [59]” in the literature) is provided. In the work machine described in Patent Document 1, at the end of work, work information (“work history information” in the document), which is information generated during work by the work unit, is transmitted from the communication unit to the server.

Japanese Unexamined Patent Publication No. 2014-187914

In the work machine described in Patent Document 1, all work information is transmitted to the server at the end of the work. Therefore, there is a concern that the amount of work information transmitted to the server will be excessive.

In view of the above situation, there is a demand for a work machine capable of appropriately transmitting work information to a server.

The features of the present invention include a work unit that performs ground work, a measurement unit that measures work information that is information generated during work by the work unit, and a communication unit that can communicate with an external server. The communication unit is to transmit the work information measured by the measurement unit to the server when the work unit is in the working state.

According to this feature configuration, when the work unit is in the working state, the work information is transmitted from the communication unit to the server, so that the work information is transmitted to the server as the work is performed by the work unit. It will be. As a result, the work information can be appropriately transmitted to the server so that the work information transmitted to the server does not become excessive. That is, according to this feature configuration, it is possible to realize a work machine capable of appropriately transmitting work information to the server.

Further, in the present invention, it is preferable that the communication unit receives information from the server when an artificially operated operation tool is operated.

According to this feature configuration, when the operator operates the operation tool, the communication unit receives information from the server. Thereby, the information necessary for the work by the working unit can be obtained at the timing desired by the worker (for example, at the start of the work).

Further, in the present invention, it is preferable that the working portion is a planting portion for performing a seeding operation.

According to this feature configuration, work information is transmitted to the server as the planting work is performed. Here, in a work machine (planting machine) provided with a seeding portion, due to the nature of the work, the planting work is not duplicated at the same position, and the work information is duplicated at the same position. Will not be sent to the server. As a result, when performing precision agriculture, a field map relating to the relationship between work information and position information can be obtained with high accuracy so that a plurality of work information does not overlap at the same position.

Further, in the present invention, it is preferable that the seeding portion is a seeding portion for performing a seeding operation.

According to this feature configuration, work information is transmitted to the server as the sowing work is performed. Here, in a working machine (sowing machine) provided with a sowing portion, the sowing work is not duplicated at the same position due to the nature of the work. As a result, when performing precision agriculture, a field map relating to the relationship between work information and position information can be obtained with high accuracy so that a plurality of work information does not overlap at the same position.

Further, in the present invention, it is preferable that the planting portion is a planting portion for planting seedlings.

According to this feature configuration, work information is transmitted to the server as the planting work is performed. Here, in a working machine (rice transplanter) provided with a planting portion, the planting work of seedlings is not duplicated at the same position due to the nature of the work. As a result, when performing precision agriculture, a field map relating to the relationship between work information and position information can be obtained with high accuracy so that a plurality of work information does not overlap at the same position.

Further, in the present invention, the measuring unit is a soil-creation depth sensor that detects the soil-creation depth, which is the depth from the field surface to the tillage board, and the work information is the soil-creation depth sensor detected by the soil-creation depth sensor. It is preferable that the soil is deep.

According to this feature configuration, when performing precision agriculture, it is possible to obtain a field map relating to the relationship between the soil depth and the position information as a highly accurate one in which a plurality of soil depths do not overlap at the same position. ..

It is a left side view which shows a passenger rice transplanter. It is a block diagram which shows the control structure.

A mode for carrying out the present invention will be described with reference to the drawings. In the following description, the direction of the arrow F is the "front side of the aircraft", the direction of the arrow B is the "rear side of the aircraft", the direction on the left side toward the direction of the arrow F is the "left side of the aircraft", and the direction is the direction of the arrow F. The direction on the right side is the "right side of the aircraft".

[Overall configuration of passenger rice transplanter]
FIG. 1 shows a passenger rice transplanter (corresponding to the “working machine” according to the present invention). The machine is provided with a traveling machine 1. The traveling machine body 1 is provided with a pair of left and right front wheels 2F and a pair of left and right rear wheels 2B. A driving portion 3 is provided at the front portion of the traveling machine body 1. The driving unit 3 is provided with an engine E and a bonnet 4 for accommodating the engine E.

A driving unit 5 is provided behind the driving unit 3. The driver unit 5 is provided with a driver's seat 6 and a steering handle 7. At the rear part of the traveling machine 1, a planting portion 8 (corresponding to the “working portion”, “planting portion” and “planting portion” according to the present invention) for planting seedlings is via a link mechanism 9. It is connected so that it can be raised and lowered. A hydraulic cylinder C for raising and lowering the planting portion 8 is provided over the rear portion of the traveling machine body 1 and the planting portion 8.

The planting section 8 rotatably supports a seedling stand 10 on which mat-shaped seedlings are placed, a planting device 11 that takes out seedlings from the lower part of the seedling stand 10 and plants them on the rice field surface, and a planting device 11. A planting case 12 to be planted and a float 13 provided at the lower part of the planting portion 8 so as to be swingable up and down and grounded on the rice field surface are provided. The power transmission path from the engine E to the planting portion 8 is provided with a planting clutch (not shown) for turning on / off the power transmission to the planting portion 8. A fertilizer application unit 14 for performing fertilizer application work is provided between the operation unit 5 and the planting unit 8.

A GPS antenna unit 15 is provided at the front portion of the traveling machine body 1. The GPS antenna unit 15 is a device that receives radio waves transmitted from GPS (Global Positioning System) and acquires the position information of the machine. The GPS antenna unit 15 is attached to an attachment frame 16 provided at the front portion of the traveling machine body 1.

[Control configuration]
FIG. 2 is a block diagram showing a control configuration related to the machine and the server 17. The control configuration related to this machine includes a control device 18, a float sensor 19, a planting clutch sensor 20, and a soil depth sensor 21 (corresponding to the "measurement unit" and the "soil depth sensor" according to the present invention). An artificially operated operation tool 22, a GPS antenna unit 15, and a smartphone 23 are provided.

The float sensor 19 detects whether or not the float 13 is in contact with the ground surface. In the present embodiment, the float sensor 19 is configured by a potentiometer that detects the vertical height position (vertical swing angle) of the float 13. The planting clutch sensor 20 detects whether the planting clutch is in the on state or the off state. The soil depth sensor 21 detects the soil depth, which is the depth from the field surface to the tillage board, as information (work information) generated during the work by the planting unit 8.

The control device 18 includes a work state determination unit 24, a work information acquisition unit 25, a fertilizer application control unit 26, and a communication unit 27.

The work state determination unit 24 determines whether or not the planting unit 8 is in the work state. Here, the "working state" of the planting portion 8 is, for example, a state in which the planting clutch is in the engaged state (including a state in which the planting clutch is switched to the engaged state), and the planting portion 8 (including a state in which the planting clutch is switched to the engaged state). This is in the state where the float 13) is in contact with the ground surface, the state where the running index tool (marker) is used, and the area (planting area) that is the target of work in the work plan acquired in advance or created in the field. The aircraft is in a position.

In the present embodiment, the working state determination unit 24 determines whether or not the planting unit 8 is in the working state based on the detection result of the float sensor 19 and the detection result of the planting clutch sensor 20. Specifically, the work state determination unit 24 detects that the float 13 is in contact with the field surface by the float sensor 19 and that the planting clutch is in the engaged state by the planting clutch sensor 20. If so, it is determined that the planting unit 8 is in the working state.

The work information acquisition unit 25 acquires the soil depth detected by the soil depth sensor 21. The soil depth detected by the soil depth sensor 21 is associated with the position information related to the position where the soil depth is detected based on the position information from the GPS antenna unit 15.

The fertilizer application control unit 26 calculates the fertilizer application amount for each field section based on the field map (field map related to the fertilizer application plan) to which the planned fertilizer application amount is assigned for each field section and the position information from the GPS antenna unit 15. In addition, the fertilizer application unit 14 is driven according to the amount of fertilizer applied.

The server 17 is built on the cloud. The server 17 includes a field map generation unit 28 and a field map storage unit 29. The field map generation unit 28 creates a field map to which work information is assigned to each section of the field, for example, a field map to which the soil depth is assigned to each section of the field (a field map related to the soil depth).

In the field map storage unit 29, a plurality of field maps are stored in layers as layer maps. The field map storage unit 29 stores, for example, a field map related to taste, a field map related to yield, a field map related to fertilization, a field map related to soil depth, and a field map related to fertilization planning.

The communication unit 27 is configured to be able to communicate with the external server 17. The communication between the communication unit 27 and the server 17 may be performed via the smartphone 23, or may be performed without the smartphone 23.

When the work state determination unit 24 determines that the planting unit 8 is in the working state, the communication unit 27 transmits the soil depth detected by the soil depth sensor 21 to the server 17. The soil depth detected by the soil depth sensor 21 is transmitted to the server 17 in a state in which the position information related to the position where the soil depth is detected is associated with each other.

The communication unit 27 receives the field map stored in the field map storage unit 29 from the server 17 when the artificially operated operation tool 22 is operated. In the present embodiment, when the operator operates the operating tool 22, the communication unit 27 receives the field map related to the fertilization plan from the server 17. The operation tool 22 may be a dedicated operation tool for instructing that information is received from the server 17, or an operation tool for starting and operating the planting work by the planting unit 8 (for example, planting). It may be an operating tool for raising and lowering the portion 8 and turning on / off the planting clutch).

[Another Embodiment]
(1) In the above embodiment, the communication unit 27 receives information from the server 17 when the artificially operated operation tool 22 is operated. However, the communication unit 27 may receive information from the server 17 when the planting unit 8 is in the working state.

(2) In the above embodiment, the "working section" and the "planting section" according to the present invention are the planting section 8. However, the "working part" and the "planting part" according to the present invention may be a sowing part for performing the sowing work. Further, the "working unit" according to the present invention may be a working unit other than the planting unit that performs the planting work as long as it is a working unit that performs the ground work.

Here, the "working state" of the seeding portion includes, for example, a state in which the seeding clutch for turning on / off the power transmission to the seeding portion is in the on state (a state in which the seeding clutch is switched to the on state) is included. ), The sowing part (float) is in contact with the field surface, the running index tool (marker) is used, and the area (sowing) that is the target of work in the work plan acquired in advance or created in the field. This unit is located in the area).

(3) In the above embodiment, the "measurement unit" according to the present invention is the soil depth sensor 21, and the work information transmitted to the server 17 is the soil depth detected by the soil depth sensor 21. Is. However, the "measurement unit" according to the present invention is not limited to the soil depth sensor 21, and the work information transmitted to the server 17 is limited to the soil depth detected by the soil depth sensor. It is not something that is done. The work information transmitted to the server 17 may be, for example, the slip ratio of the wheels, the uneven shape of the tillage board, the shape of the field, and the work route. Further, in the case of a work machine that performs tillage work or puddling work, the work information transmitted to the server 17 may be the cultivating depth or the puddling depth.

(4) In the above embodiment, the machine receives the field map related to the fertilizer application plan from the server 17 and performs the fertilizer application work based on the field map related to the fertilizer application plan. However, the present invention is not limited to the configuration according to the above embodiment. For example, the interval between planting seedlings, the amount of seedlings taken, the depth of seedlings planted, and the amount of chemicals (eg, herbicides, fungicides, insecticides) sprayed. Regarding the planned amount, the machine may be configured to receive the planned field map to which the planned amount is assigned for each section of the field from the server 17 and perform the work based on the planned field map.

(5) When a plurality of soil depths are detected at substantially the same position, for example, the detected value (soil depth data) of the soil depth sensor 21 can be handled based on the ideas shown in the following 1 to 6. it can.
1. 1. Only one soil depth data is adopted. As a result, control confusion can be prevented.
2. Adopt the deeper soil depth data. This makes it possible to prevent over-sowing of fertilizer.
3. 3. Use the shallower soil depth data. This makes it possible to sow a large amount of fertilizer to prevent poor growth.
4. The soil depth data obtained by averaging multiple soil depth data is adopted.
5. After the worker determines what soil depth data is correct, the soil depth data selected by the worker is adopted.
6. If the orientation of the work equipment at the time when the soil depth is detected is different, multiple soil depth data are adopted after associating each soil depth data with the orientation of the work equipment. As a result, the method of sowing fertilizer can be changed according to the work direction such as the subsequent top dressing work.

The present invention can be used not only for a passenger rice transplanter, but also for a passenger seeder, a passenger management machine, a combine harvester, a tractor, and a drone.

8 Planting part (working part, planting part, planting part)
17 Server 21 Soil depth sensor (measurement unit, soil depth sensor)
22 Operation tool 27 Communication unit

Claims (6)

The work department that performs ground work and
A measurement unit that measures work information, which is information generated during work by the work unit,
Equipped with a communication unit that can communicate with an external server
The communication unit is a work machine that transmits the work information measured by the measurement unit to the server when the work unit is in a working state. The work machine according to claim 1, wherein the communication unit receives information from the server when an artificially operated operation tool is operated. The working machine according to claim 1 or 2, wherein the working unit is a planting unit that performs planting work. The working machine according to claim 3, wherein the planting portion is a seeding portion for performing a seeding operation. The working machine according to claim 3, wherein the planting portion is a planting portion for planting seedlings. The measuring unit is a soil depth sensor that detects the soil depth, which is the depth from the field surface to the tillage board.
The work machine according to any one of claims 1 to 5, wherein the work information is the soil depth detected by the soil depth sensor.

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