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KR-102960778-B1 - Weeding device for paddy fields and method of weeding paddy fields using the same, method of preparing cultivated crops, and navigation program

KR102960778B1KR 102960778 B1KR102960778 B1KR 102960778B1KR-102960778-B1

Abstract

A weeding device for a water paddy that can further enhance the weeding effect of the water paddy is provided. This weeding device for a water paddy (100) is a device that is propelled by an underwater screw propulsion mechanism (40) while floating on water, and the screw propulsion mechanism (40) is equipped with a screw (41L, 41R), a driving mechanism (48L, 48R) that drives the screw (41L, 41R), and a control unit (50) that controls the driving mechanism (48L, 48R). The control unit (50) performs a pass route management process that moves at predetermined intervals.

Inventors

  • 시오지 요시유키
  • 나카무라 데츠야

Assignees

  • 가부시키가이샤 뉴그린

Dates

Publication Date
20260507
Application Date
20200817
Priority Date
20190821

Claims (15)

  1. It is a water-based weeding device propelled by an underwater screw propulsion mechanism while floating on water, and The above screw propulsion mechanism comprises a screw, a driving mechanism for driving the screw, and a control unit for controlling the driving mechanism. The above control unit is configured to execute a route management process for managing the route of the weed control device for the water supply, and The above pass route management process sets the pass route to move at predetermined intervals, and at the same time, When setting the above passage route, mud film diffusion information regarding the interval at which the mud film, stirred by the above screw, spreads is obtained, and A weed control device for water supply, characterized by setting the spacing between adjacent routes of the passage route based on the acquired mud film diffusion information.
  2. It is a water-based weeding device propelled by an underwater screw propulsion mechanism while floating on water, and The above screw propulsion mechanism comprises a screw, a driving mechanism for driving the screw, and a control unit for controlling the driving mechanism. The above control unit is configured to execute a route management process for managing the route of the weed control device for the water supply, and The above pass route management process sets the pass route to move at predetermined intervals, and at the same time, A weed control device for a paddy field, characterized by acquiring area information regarding an area prone to weed growth and an area difficult to grow, and setting a passage route such that the passage frequency of the area prone to weed growth and the area difficult to grow increases more than the passage frequency of the area difficult to grow.
  3. It is a water-based weeding device propelled by an underwater screw propulsion mechanism while floating on water, and The above screw propulsion mechanism comprises a screw, a driving mechanism for driving the screw, and a control unit for controlling the driving mechanism. The above control unit is configured to execute a route management process for managing the route of the weed control device for the water supply, and The above pass route management process sets the pass route to move at predetermined intervals, and at the same time, A weeding device for water supply, characterized by acquiring information on wind direction and, based on the information on wind direction, setting a passage route such that the frequency of passage in the wind upstream area becomes greater than the frequency of passage in the wind downstream area between the wind upstream area and the wind downstream area.
  4. In any one of paragraphs 1 to 3, the pass route management processing is, Acquire location information of the water by reading multiple coordinate data regarding the main part of the water, and A weeding device for a water supply that establishes a passage route through the water supply based on the acquired location information of the water supply.
  5. In any one of paragraphs 1 to 3, the pass route management processing is, A weeding device for a paddy field that returns the inside of the paddy field in the shape of a checkerboard to set a passage route that passes repeatedly in the vertical and horizontal directions, a passage route that passes only in the vertical direction, or a passage route that passes only in the horizontal direction.
  6. In any one of paragraphs 1 to 3, the pass route management processing is, A water-use weeding device that, when it recognizes that the water-use weeding device is stuck in the same position due to an obstacle, performs an avoidance process to avoid the obstacle by an avoidance action including a reverse motion or a turning motion and returns to the original route of passage.
  7. In any one of paragraphs 1 to 3, the pass route management processing is, A water-use weeding device that performs a process to identify an area that the water-use weeding device is not passing through, and sets a passage route to move toward the said area that is not passing through.
  8. In any one of paragraphs 1 to 3, the pass route management processing is, A weeding device for water supply, configured to allow input of control parameters from a manager's smartphone by means of an application program configured to change control parameters regarding the setting of the above-mentioned passage route.
  9. In any one of paragraphs 1 to 3, the pass route management processing is, A weeding device for a paddy field that divides and manages sections of packaging including a paddy field, and sets the passage route in the divided sections.
  10. In any one of paragraphs 1 to 3, the control unit, A weeding device for water supply that performs time-of-operation management processing to limit operation between early morning, including sunrise and the time before sunrise or the time after sunrise, and evening, including sunset or the time before sunset.
  11. A method for weeding a rice paddy, characterized by weeding the rice paddy using a weeding device for a rice paddy described in any one of claims 1 to 3.
  12. This is a method of cultivating crops in a paddy field where seedlings are planted and filled with water, and A method for preparing a cultivated crop characterized by including a weeding process that operates a water-use weeding device described in any one of claims 1 to 3.
  13. This is a method of cultivating crops in a paddy field where seedlings are planted and filled with water, and Using a water-based weeding device propelled by an underwater screw propulsion mechanism while floating on water, A method for producing a cultivated crop, characterized by including a weeding process in which the operating time is set between an early morning operating start time including sunrise and the time before sunrise or after sunrise, and an operating end time back from sunset by the amount of time during which the mud film agitated by the screw propulsion mechanism remains, and the weeding process is performed by operating the weeding device for the rice paddy by limiting the operating time.
  14. It is a navigation program recorded on a storage medium for navigating a water-based weeding device propelled by an underwater screw propulsion mechanism while floating on water, and A navigation program recorded on a storage medium characterized by being configured to enable management processing in the control unit of a water-use weeding device described in any one of claims 1 to 3.
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Description

Weeding device for paddy fields and method of weeding paddy fields using the same, method of preparing cultivated crops, and navigation program The present invention relates to a weed control technology for paddy fields. Weed control devices for paddy fields, such as the Aigamo robot, are being developed to prevent or suppress the growth of weeds by inhibiting photosynthesis of weeds below the water surface through stirring the mud in the paddy field to generate a mud film (see, for example, Patent Document 1). FIG. 1 is a perspective view illustrating an embodiment of a water-use weeding device according to one form of the present invention, wherein (a) of the figure is a view taken from the upper left side of the front side, (b) of the figure is a view taken with the solar panel of (a) separated, and (c) of the figure is a view taken from the upper left side of the rear side of (b). FIG. 2 is an explanatory diagram of an embodiment of a water-use weeding device according to one form of the present invention, wherein (a) is a top view, (b) is a left side view, (c) is a bottom view, (d) is a front view, and (e) is a rear view. FIG. 3 is an exploded perspective view illustrating an embodiment of a water-use weeding device according to one form of the present invention, wherein (a) is a view taken from the upper left side of the front side and (b) is a view taken from the upper left side of the rear side. FIG. 4 is a block diagram illustrating an embodiment of a water-use weeding device according to one form of the present invention. FIG. 5 is a schematic diagram ((a), (b)) illustrating an example of a passage route set for one pavement (water supply). FIG. 6 is a schematic explanatory diagram ((a) to (c)) illustrating an example of a passage route set for one pavement (water supply). FIG. 7 is a flowchart illustrating a pass route management process (including operating time zone management process) executed by a single-board computer of a control board as a pass route setting device. Figure 8 is a graph explaining the relationship between the amount of power generated and the amount of daily solar radiation referenced to set the operating time in the operating time management process. FIG. 9 is a flowchart illustrating the operating time management process executed by a single-board computer of a control board as an operating time setting device. FIG. 10 is a block diagram illustrating one embodiment of an anti-theft device equipped with a water-use weeding device according to the present embodiment. Figure 11 is a flowchart illustrating the anti-theft processing performed by a single-board computer on a control board as an anti-theft device. FIG. 12 is a flowchart illustrating the pass route setting process executed by a single-board computer on a control board as a pass route setting device. FIG. 13 is a drawing illustrating an image in which multiple weeding devices for a paddy field according to the present embodiment are arranged with respect to a paddy field (paddy field). FIG. 14 is a block diagram illustrating a weed management system for a paddy field used for the management of a weeding device for a paddy field according to one embodiment of the present invention. Hereinafter, embodiments of the present invention will be described with appropriate reference to the drawings. Furthermore, the drawings are schematic. Therefore, it should be noted that the relationship between thickness and planar dimensions, ratios, etc., may differ from reality, and there are parts in which the dimensional relationships or ratios differ from one another. Furthermore, the embodiments described below are intended to illustrate devices or methods for embodying the technical concept of the present invention, and the technical concept of the present invention is not limited to the materials, shapes, structures, arrangements, etc., of the constituent parts in the following embodiments. The weeding device for paddy fields of the present embodiment is a device used for a period of about one month from harrowing to after transplanting. As shown in FIGS. 1 and 2, the weeding device for paddy fields (100) comprises a float body (10) in the shape of a roughly rectangular frame that can float on water, a resin base plate (20) provided on the upper surface of the float body (10), a solar panel (80) spaced apart from the base plate (20) through four corner posts (22), a machine room (30) provided in the center of the upper surface of the base plate (20), a screw propulsion mechanism (40) provided in the lower part of the machine room (30), and a positioning/direction sensor device (90), such as a GPS, provided on the upper surface of the base plate (20). As illustrated in FIGS. 3 and 4, a control board (50), a pair of drive motors (48L, 48R), a battery (60), and a charge controller (70) are arranged in the machine room (30) and connected via the necessary lines. The periphery of the machine room (30) is covered by four support pan