KR102035963B1 - Boat for spraying agrochemical - Google Patents

Abstract

Disclosed is a boat for spraying pesticides with improved rigidness and durability. According to an embodiment of the present invention, the boat for spraying pesticides comprises: a boat body structure allowing a propulsion device, a steering device, and a pesticide tank to be installed on an upper surface thereof, having an overall flat lower surface, and floating on a water surface of a paddy field; a spray device installed on the boat body structure to spray pesticides accommodated in the pesticide tank, spray the pesticides in a left and a right side direction of the boat body structure for wade-range spraying in an early stage of cultivation when a cultivation crop is not exposed above the water surface of the paddy field, and spray the pesticides downwards towards a water surface of a limited range positioned within a prescribed distance behind the boat body structure from a rear end of the boat body structure for narrow-range spraying in a middle stage of cultivation when the cultivation crop is exposed above the water surface of the paddy field; and a control device installed on the boat body structure to control the propulsion device, the steering device, and the spray device in accordance with a command signal wirelessly received by a remote controller.

Description

Pesticide Spray Boat {Boat for spraying agrochemical}

The present invention relates to a pesticide spraying boat, and more particularly, to a pesticide spraying boat which is remotely controlled to move along the water surface of Munon and spray pesticides.

In recent years, various mechanization and automation techniques have been applied to agriculture, which is a labor-intensive industry, and pesticides are used in a padded field where crops such as rice are grown using a remotely controlled pesticide spraying boat. Techniques for spraying are introduced.

However, as disclosed in Korean Patent Publication No. 10-1566377, the conventional technique of simply discharging the pesticide using the pesticide discharge hose, there is a problem that it is difficult to change the pesticide spraying direction and adjust the pesticide spraying range.

In addition, as disclosed in Korean Patent Publication No. 10-1460945, the conventional technique of spraying pesticides only in the side direction of the boat is a crop grown directly by the pesticide stock when used in the middle of cultivation when the crop is exposed to the water surface of Munon. The leaves or stems of the leaves, but rather a problem that causes the weakening of cultivated crops. Moreover, the existing technology uses a plurality of parts and a power transmission means to change the spraying direction of the spray nozzles arranged in the side direction of the boat to the front and rear of the boat within an angle, which makes the manufacturing process complicated and high manufacturing cost. There is a problem that its utility is very poor. This is because when the boat moves along the water surface of Munon, the spray direction of the spray nozzles arranged in the side direction of the boat is naturally changed.

In addition, since the existing technology comprises a simple flat structure of the bottom of the pesticide spraying boat, when the pesticide loading of the pesticide spraying boat is increased or the pesticide spraying boat is loaded with a large amount of pesticide, In some cases, the bottom portion of the flat plate structure may be bent or distorted, resulting in the flooding or overturning of the pesticide spraying boat. On the other hand, if the thickness of the bottom portion of the flat plate structure is increased, the manufacturing cost of the pesticide spraying boat is increased, as well as the overall weight of the pesticide spraying boat is increased, making it difficult to handle the user.

Technical problem to be solved by the present invention, it is easy to adjust the pesticide spraying direction and the pesticide spraying range according to the growth state of the cultivated crops, the pesticide raw material is directly sprayed on the cultivated crops even in the middle of cultivation when the cultivated crops are exposed on the water surface of Munon On the other hand, it is possible to provide a pesticide spraying boat that enables thinner and lighter weight of the hull while improving its rigidity and durability.

A pesticide spraying boat according to an embodiment of the present invention has a propulsion device for generating wind, a steering device for changing a direction of wind generated from the propulsion device, and a pesticide tank containing pesticide along the water surface of Munon. A boat for moving and spraying pesticides, comprising: a hull structure having the propulsion device, the steering device, and the pesticide tank installed on an upper surface thereof and having a generally flat bottom surface and floating on the surface of Munnon; It is installed on the hull structure and sprays the pesticides contained in the pesticide tank, and is configured to spray pesticides in the left and right side direction of the hull structure for widespread spraying in the early stage of cultivation in which the cultivated crop is not exposed over the water surface of Munon, A spraying device configured to spray the pesticide downwardly toward a limited range of water located within a predetermined distance from the rear end of the hull structure to the rear of the hull structure for narrow-range spraying of the cultivation medium exposed over the water surface of the Munnon; And a control device installed in the hull structure to control the propulsion device, the steering device, and the spreading device according to a command signal wirelessly received from a remote controller, wherein the spreading device is configured to pressurize a pesticide moving pipe connected to the pesticide tank. Generating a pump to move the pesticide contained in the pesticide tank through the pesticide moving tube; And a support tube structure having one end portion inserted into an inner hollow of the pesticide moving tube and the other end positioned outside of the pesticide moving tube, and a tubular structure having an inner hollow. As one end is coupled to the other end of the support tube structure, the first axis is rotatably coupled to the rotation center and the other end is extended toward the inner center of the second axis forming a constant inclination with the first axis, tapering toward the end And a nozzle structure having a spray pipe structure having a spray hole for spraying pesticide to the outside thereof.

In one embodiment, the spreading device, the one end is coupled to the rear end upper surface of the hull structure and the other end is bent above the hull structure to be combined with the nozzle structure to the nozzle structure to the rear end of the hull structure Further comprising a fixing plate for fixing, wherein the support tube structure of the nozzle structure is configured such that the other end located outside the pesticide moving tube is inserted into the through hole formed in the other end of the fixing plate and coupled to the fixing plate do.

In one embodiment, the support pipe structure of the nozzle structure, the labyrinth seal (labyrinth seal) is formed on the outer surface of the one end is inserted into the pesticide moving tube, the outer end of the other end coupled to the fixing plate A screw thread is formed on a surface thereof, and the screw member is screwed to the outer surface of the other end of the support tube structure to be in close contact with a periphery of the through hole of the fixing plate into which the support tube structure is inserted. .

In one embodiment, the propulsion device installed in the hull structure, the electric motor for rotating the propeller using the power of the battery to rotate the propeller in the forward or reverse direction under the control of the control device; And a housing formed of a mesh structure or a porous structure in the form of a tunnel having openings at the front side and the rear side of the hull structure, respectively, to accommodate the propeller rotated by the electric motor in the inner space.

In one embodiment, the boat for spraying the pesticide, when the spraying device sprays the pesticide downward toward the water surface located behind the hull structure for narrow-range spraying of the cultivation medium, the hull structure forwards It further comprises a pressing structure for moving and pressing the cultivated crop below the water until the cultivated crop is out of the pesticide application range of the spreading device.

In one embodiment, the pressing structure comprises: a frame structure, one end of which is coupled to the rear end of the hull structure and the other end of which extends toward the water surface behind the hull structure; And a plate structure that is coupled to the other end of the frame structure and presses the cultivated crops below the surface of water to be disposed in the pesticide application range of the spreading device.

In one embodiment, the plate structure includes a plurality of through holes through which non-non-water passes.

In one embodiment, the plate structure is rotatably coupled to the frame structure in the vertical direction, is supported by the rear end of the hull structure at one end adjacent to the rear end of the hull structure is rotated range of the plate structure It includes a stopper to limit it.

In one embodiment, the hull structure, the upper structure which is formed integrally with the synthetic resin as a material and forms an upper portion of the repair; And a lower structure which is integrally formed from one synthetic resin and is coupled to a lower portion of the upper structure to form the upper structure and an inner space, wherein the lower structure corresponds to a rear end corresponding to a stern at the front end corresponding to the bow. A bottom plate having a length of greater than the width from the left end to the right end and having a generally flat plate shape, and having a bottom surface in contact with the water surface; A side plate portion extending upward from the periphery of the bottom plate portion to form the internal space by engaging with the upper structure; And a plurality of wall portions each protruding from an upper surface of the bottom plate portion and positioned in the inner space, wherein each wall portion has a thin plate structure in which a lower end is integrally connected to an upper surface of the bottom plate portion, and is parallel to other wall portions. Is extended, but is configured to extend in the longitudinal direction of the base plate.

In one embodiment, the lower structure is formed on the bottom surface of the rear end portion of the bottom plate portion so that the stern portion of the boat does not slide to the right by generating frictional resistance with water when the boat including the lower structure rotates left, A first step portion in which a center portion of the bottom surface is recessed toward the top surface side of the bottom plate portion rather than a left portion of the bottom surface with respect to the width direction of the bottom plate portion; And a bottom surface of the rear end portion of the bottom portion of the bottom portion of the boat so that the stern portion of the boat does not slide to the left side by generating frictional resistance with water when the boat is turned to the right. It further includes a second stepped portion formed to be recessed to the upper surface side of the bottom plate portion than the right portion of the bottom surface.

In one embodiment, the first stepped portion and the second stepped portion, respectively, the step is started at one point between the center point and the rear end of the base plate portion is configured to increase the step toward the rear end of the base plate portion.

According to the present invention, by using a nozzle structure which is configured to be rotatable and fixed to the rear end of the boat hull, the pesticide can be widely sprayed in the left and right side directions of the boat or the pesticide can be sprayed to a limited range of water located behind the boat. By spraying, it is possible to easily adjust the pesticide spraying direction and the pesticide spraying range according to the growth state of the cultivated crop.

In addition, by using the pressing structure installed at the rear end of the boat by pressing the cultivated crop below the water until the cultivated crop located in the rear of the boat is outside the pesticide application range, the cultivated crop is exposed to the water surface of Munon Also, the pesticide raw material may not be directly sprayed on the cultivated crop, and the damage of the cultivated crop by the pesticide raw material may be prevented.

In addition, unlike the general boat, the bottom plate portion corresponding to the bottom of the boat has a generally flat plate-like structure, and by providing a plurality of wall portions extending in the longitudinal direction of the boat on the bottom plate portion, the depth of the boat in Munnon is low. Not only does it make it easier to move, but it also prevents warpage or warping of the base plate with a plate structure even when the boat load increases or the direction of the boat changes suddenly. Its rigidity and durability can be improved.

Furthermore, it will be apparent to those skilled in the art from the following description that various embodiments in accordance with the present invention can solve various technical problems not mentioned above.

1 is a perspective view showing a pesticide spray boat according to an embodiment of the present invention.
Figure 2 is an exploded perspective view showing a pesticide spray boat shown in FIG.
3 is a bottom perspective view showing a bottom of the lower structure shown in FIG.
4 is an enlarged view illustrating a portion E of FIG. 2.
5 is a view showing a nozzle structure of the pesticide spray boat according to an embodiment of the present invention.
FIG. 6 is a view illustrating a rotation operation of the nozzle structure shown in FIG. 5.
FIG. 7 is a vertical cross-sectional view illustrating a AA ′ portion of the pressing structure shown in FIG. 2.
Figure 8 is a block diagram showing a control device for a pesticide spraying boat according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in order to clarify a solution to the technical problem of the present invention. However, in the description of the present invention, if the description of the related known technology makes the gist of the present invention clear, the description thereof will be omitted. In addition, terms used in the present specification are terms defined in consideration of functions in the present invention, and they may vary according to the intention or convention of the designer, the manufacturer, or the like. Therefore, the definitions of terms to be described below should be made based on the contents throughout the specification.

1 is a perspective view of a pesticide spraying boat 100 according to an embodiment of the present invention.

As shown in Figure 1, the pesticide spraying boat 100 according to an embodiment of the present invention, is controlled through a remote control device is configured to spray along the water surface of Munnon and spray pesticides. To this end, the pesticide spraying boat 100 may include the hull structure 110, the propulsion device 120, the steering device 130, the pesticide tank 140, the spraying device 150 and the electrical equipment box 160. And, according to the embodiment may further comprise a pressing structure 170.

The hull structure 110 corresponds to the main body of the pesticide spraying boat 100, and is provided with a propulsion device 120, a steering device 130, a pesticide tank 140, and the like on the upper surface thereof, and a flat bottom surface as a whole. It is configured to float on the water surface of Munnon. As will be described again below, the hull structure 110 may each include an upper structure and a lower structure which are integrally formed using a synthetic resin as a material and are coupled to each other to form a sealed inner space.

The propulsion device 120 is provided in the hull structure 110 and is configured to generate wind to the rear of the hull structure 110. To this end, the propulsion device 120 may include a power unit 124 and a housing 126 to rotate the propeller 122. The power unit 124 may be configured to rotate the propeller 122 under the control of a control device (not shown) disposed inside the electrical equipment box 160.

The power unit 124 may include an electric motor that rotates the propeller 122 using the power of the battery, but rotates the propeller 122 in the forward or reverse direction under the control of the control device. According to an embodiment, the power unit 124 may include an engine that burns fuel and rotates the propeller instead of the electric motor.

The housing 126 is formed of a tunnel-like mesh structure or a porous structure having openings at the front side and the rear side of the hull structure 110, respectively, and is rotated by the power unit 124 in the inner space of the propeller 122. ) Can be accommodated.

The steering device 130 is installed in the hull structure 110 and is configured to change the direction of the wind generated by the propulsion device 120 to the left or right side of the hull structure 110 within a predetermined angle range. To this end, the steering device 130 may include a pair of rudders, servomotors, and the like. In this case, the pair of rudders may be arranged behind the propulsion device 120 through which the wind generated by the propeller 122 propagates, and may be configured to synchronize left and right by the same angle at the same time. The servo motor may be configured to rotate the pair of rudders left or right by a predetermined angle under the control of the control device.

Pesticide tank 140 is configured to receive a pesticide in a liquid state. In this case, the pesticide tank 140 may be composed of a polyethylene-based synthetic resin, such as HDPE (High Density Polyethylene). The pesticide tank 140 may be formed with an input port through which the pesticide is input and a supply port for supplying the received pesticide to the spraying device 150.

The sprinkling apparatus 150 is provided so that the pesticide installed in the hull structure 110 and accommodated in the pesticide tank 140 may be sprayed on Munnon. As will be described again below, the spreading device 150 is configured to spray pesticides in the left and right side directions of the hull structure 110 for widespread spraying in the early stage of cultivation, in which the cultivated crop is not exposed above the water surface of Munon, while the cultivated crop is It is configured to spray the pesticide downward toward a limited range of water located within a predetermined distance from the rear end of the hull structure 110 to the rear end of the hull structure 110 for the narrow-range spraying of the cultivation medium exposed over the water surface of Munon.

To this end, the spreading device 150 may include a pesticide moving tube 152 and a pump, a nozzle structure 154 and a fixing plate 156.

The pesticide movement pipe 152 forms a pesticide movement path from the pesticide tank 140 to the nozzle structure 154. The pump generates pressure on the pesticide moving tube 152 connected to the pesticide tank 140 to move the pesticide contained in the pesticide tank 140 to the nozzle structure 154 through the pesticide moving tube 152. In this case, the pump may be accommodated inside the electrical box 160. The nozzle structure 154 is configured to spray the pesticide delivered through the pesticide moving tube 152. The fixed plate 156 has one end coupled to the rear end upper surface of the hull structure 110, and the other end thereof is bent upward of the hull structure 110 to be coupled to the nozzle structure 154 so that the nozzle structure 154. ) May be fixed to the rear end of the hull structure 110.

The electrical equipment box 160 is configured to accommodate electrical and electronic components applied to the pesticide spraying boat 100. The electrical equipment box 160 may accommodate a control device for controlling the overall operation of the pesticide spraying boat (100). In this case, the control device may be configured to control the propulsion device 120, the steering device 130, and the sprinkling device 150 according to a command signal wirelessly received from the remote controller operated by the user. According to an exemplary embodiment, an operation panel 162 may be provided on an outer surface of the electronic device box 160 to receive a command signal directly from a user. In this case, the control device may control the operation of the main boat 100 according to the command signal received from the remote controller or input through the operation panel 162.

The pressing structure 170, when the spraying device 150 sprays the pesticide downward toward the water surface behind the hull structure 110 for the narrow-range spraying of the cultivation medium, the hull structure moves forward to grow the crops It is configured to press the cultivated crop below the water until it is out of the pesticide application range of the spreading device.

2 is an exploded perspective view of the pesticide spraying boat 100 shown in FIG.

As shown in FIG. 2, the hull structure 110 of the pesticide spraying boat 100 may include an upper structure 110a and a lower structure 110b. According to an embodiment, the hull structure 110 may further include a buffer cover 119.

The upper structure 110a is a part constituting the topside area of the hull structure 110, and the propelling device 120, the steering device 130, the pesticide tank 140, the spreading device ( 150, the electrical equipment box 160, etc. are installed, the pressing structure 170 is coupled to the stern side rear end is configured to be fixed.

The upper structure 110a may be integrally formed by injection molding using synthetic resin as a material. For example, the upper structure 110a may be formed of a composite material including synthetic resin such as Fiber Reinforced Plastics (FRP) or Plastic Matrix Cmposites (PMC). In one embodiment, the upper structure 110a may include a first flange portion 118a protruding outward of the upper structure 110a at the edge of the upper structure 110a.

The lower structure 110b is a portion including a boot-top area and a bottom area of the hull structure 110. The lower structure 110b is coupled to the lower portion of the upper structure 110a and is connected to the upper structure 110a. And to form an enclosed interior space.

The lower structure 110b may be integrally formed by injection molding using synthetic resin as a material. For example, the lower structure 110b may be formed of a composite material including synthetic resin, such as Fiber Reinforced Plastics (FRP) or Plastic Matrix Cmposites (PMC).

In addition, the lower structure 110b may include a bottom plate portion 112, a side plate portion 114, and a plurality of wall portions 116a, 116b, 116c, and 116d.

The base plate 112 has a length from the front end corresponding to the bow of the hull structure 110 to the rear end corresponding to the stern of the hull structure 110 greater than the width from the left end to the right end. It has a generally flat plate shape and is configured to have a bottom in contact with the water surface. For example, the length of the base plate 112 may be configured to be 1.8 to 3 times larger than its maximum width.

The side plate portion 114 is configured to extend upward from the periphery of the base plate portion 112 to engage with the upper structure 110a to form a closed inner space between the upper plate and the upper structure 110a. To this end, the lower structure 110b protrudes from the distal end of the side plate portion 114 to the outside of the lower structure 110b, and the second flange portion 118b coupled with the first flange portion 118a of the upper structure 110a. ) May be further included.

The wall parts 116a, 116b, 116c, and 116d respectively protrude from the upper surface of the base plate 112 and are configured to be located in an inner space formed between the upper structure 110a and the lower structure 110b. In this case, each of the wall portion has a thin plate structure in which the lower end thereof is integrally connected with the upper surface of the bottom plate portion 112, and extends in parallel with the other wall portion, so as to extend in the longitudinal direction of the bottom plate portion 112. It is composed.

Since the base plate 112 has a flat structure having a length greater than the width, both ends of the longitudinal direction are bent or warped more severely than both ends of the width direction when a load or an external force is applied. The plurality of wall portions 116a, 116b, 116c, and 116d described above are formed on the upper surface of the bottom plate portion 112, thereby preventing both end portions in the longitudinal direction of the bottom plate portion 112 from bending upwards or downwards or twisting from side to side. can do.

In addition, the plurality of wall portions 116a, 116b, 116c, and 116d are spaced apart from each other on the left side of the base plate 112 with respect to the center line between the left and right ends of the base plate 112. The wall part 116a and the 2nd wall part 116b and the 3rd wall part 116c and the 4th wall part 116d which are mutually spaced apart and located in the right side of the base plate part 112 with respect to the said center line are included. can do.

As shown in FIG. 2, the second wall portion 116b is located closer to the centerline of the bottom plate portion 112 than the first wall portion 116a, and the third wall portion 116c is the bottom plate portion than the fourth wall portion 116d. When located close to the center line of the 112, the separation distance between the first wall portion 116a and the second wall portion 116b located on the left side of the base plate 112, or the third located on the right side of the base plate 112 The separation distance between the wall portion 116c and the fourth wall portion 116d may be shorter than the separation distance between the second wall portion 116b and the third wall portion 116c.

Through such an arrangement method, while minimizing the number of wall portions formed on the upper surface of the bottom plate portion 112, the overall rigidity and durability of the lower structure 110b may be improved.

3 is a bottom perspective view of the lower structure 110b shown in FIG. 2.

As shown in FIG. 3, the bottom plate portion 112 is formed from the first reference line X between the center point G and the front end F of the bottom plate portion 112 to the rear end R of the bottom plate portion 112. A flat portion 112a formed as a whole as a part and a portion from the first reference line X to the front end F of the base plate 112, which is generally flat, and the bottom plate at the first reference line X side. It may include an inclined portion (112b) configured to be inclined to gradually increase upward toward the front end (F) side of the portion (112). Here, the center point G of the base plate 112 may be located vertically downward based on the center of gravity of the main boat 100 or the first hull structure 110.

Meanwhile, the lower structure 110b may further include a first stepped portion S1 and a second stepped portion S2 formed on the bottom surface of the rear end portion of the bottom plate portion 112.

The first stepped portion S1 is formed on the bottom surface of the rear end portion of the bottom plate 112 to generate frictional resistance with water when the main boat 100 is left turned, whereby the stern portion of the main boat 100, that is, the lower structure. The rear end portion of 110b is not slid to the right. In this case, the first stepped portion S1 has an upper surface of the bottom plate portion 112 with a central portion (a peripheral portion of the center line C) of the bottom surface of the bottom plate portion based on the width direction of the bottom plate portion 112 than the left portion of the bottom surface. It may be formed by recessed in the side.

The second stepped portion S2 has a bottom plate 112 formed on the bottom surface of the rear end portion to generate frictional resistance with water during the right turn of the main boat 100, so that the stern portion of the main boat 100, that is, the lower structure. The rear end portion of the 110b does not slide to the left side. In this case, the second stepped portion S2 may be formed by recessing the center portion of the bottom surface of the bottom plate portion toward the top surface side of the bottom plate portion 112 rather than the right side portion of the bottom surface based on the width direction of the bottom plate portion 112.

The first stepped portion S1 and the second stepped portion S2 are each the bottom plate portion 112 at a second reference line Y between the center point G and the rear end R of the bottom plate portion 112, respectively. It may be configured to gradually increase the step toward the rear end (R) of. That is, the first stepped portion S1 and the second stepped portion S2 are respectively started with the step at the first point y1 and the second point y2 on the second reference line Y, and thus the bottom plate portion 112. It may be configured to have a maximum step at the rear end (R) of.

In this way, since the step of the first step portion S1 and the step of the second step portion S2 increase toward the rear end R of the bottom plate portion 112, the inertia and width in the width direction of the main boat 100 are increased. When the external force is applied, the largest frictional resistance is generated at the rear end of the lower structure (110b). That is, even when the pesticide spraying boat 100 rotates left or right according to the remote control of the user while moving from Munon at high speed, the stern portion of the pesticide spraying boat 100 does not slide to the opposite side of the rotation direction. As a result, the direction change of the pesticide spraying boat 100 is made stable.

In FIG. 4, region E of FIG. 2 is shown in an enlarged view.

As shown in FIG. 4, the hull structure 110 of the pesticide spraying boat 100 may further include a buffer cover 119. The buffer cover 119 has an insertion groove 119a into which the first flange portion 118a of the upper structure 110a and the second flange portion 118b of the lower structure 110b are coupled to each other and inserted. (119a) Covers the outer surface of the first flange portion 118a and the second flange portion 118b inserted into the inlet groove and seals the engagement surface between the first flange portion 118a and the second flange portion 118b. It is configured to. To this end, the buffer cover 12 may be made of a material having elasticity and waterproofness, such as butadiene rubber (BR), styrene butadiene rubber (SBR), or solution styrene butadiene rubber (SSBR).

On the other hand, the spraying device 150 is installed in the hull structure 110 to spray the pesticides, the pressure generated in the pesticide tank 140 connected to the pesticide moving tube 152, the pesticides contained in the pesticide tank 140 to the pesticide moving pipe ( And a spraying nozzle structure 154 delivered from the pesticide moving tube 152 and a pump for moving through 152.

5 illustrates a nozzle structure 154 of a pesticide spray boat according to an embodiment of the present invention.

As shown in FIG. 5, the nozzle structure 154 includes a support tube structure 154a, a spray tube structure 154b, and a screw member 154c.

The support tube structure 154a is a tubular structure extending with a first axis (x-axis) as an inner center thereof, one end of which is inserted into the inner hollow of the pesticide moving tube 152 and the other end of the supporting tube structure 152. It is configured to be located outside of).

The support tube structure 154a may be configured such that the other end of the pesticide moving tube 152 is inserted into a through hole formed in the fixing plate 156 to be coupled to the fixing plate 156. To this end, a labyrinth seal is formed on an outer surface of one end of the support tube structure 154a inserted into the pesticide moving tube 152 and the other of the support tube structure 154a coupled to the fixing plate 156. A thread may be formed on the end outer surface to which the screw member 154c is coupled. In this case, the screw member 154c may be screwed to the outer surface of the other end of the support tube structure 154a to be in close contact with the periphery of the through hole of the fixing plate 156 into which the support tube structure 154a is inserted.

The injection pipe structure 154b is a pipe-shaped structure having an inner hollow, one end of which is coupled to the other end of the support pipe structure 154a and rotatably coupled to a rotational axis of the first axis x. The other end extends with the second axis D1 forming a predetermined inclination (θxz) with the first axis (x) as an inner center, and is tapered toward the end to spray the pesticide to the outside. A ball is formed. As shown in FIG. 5, when the nozzle structure 154 is adjusted to spray the pesticide downward toward the water surface behind the hull structure 110, the second axis D1 corresponding to the pesticide injection direction of the injection pipe structure 154b. Is located on the xz plane which is a vertical plane and is inclined downward by a predetermined inclination θxz with respect to the first axis x.

6 illustrates a rotational operation of the nozzle structure 154 shown in FIG. 5.

As shown in FIG. 6, the injection pipe structure 154b of the nozzle structure 154 may rotate at an angle with respect to the first axis x, which is the central axis of the support pipe structure 154a, as the rotation center.

That is, as shown in FIG. 6, when the nozzle structure 154 is adjusted to inject a wide range of pesticides in the side direction of the hull structure 110, the second axis D2 corresponding to the pesticide injection direction of the injection pipe structure 154b. ) Is positioned on the xy plane, which is a horizontal plane, and is inclined to the left by a predetermined tilt θxy with respect to the first axis x.

Referring back to FIG. 2, the pressing structure 170 is coupled to the rear end of the hull structure 110. The pressing structure 170, when the nozzle structure 154 of the spreading device 150 sprays the pesticide downward toward the water surface behind the hull structure for the narrow-range spraying of the cultivation medium, the hull structure 110 is a propulsion device ( Moving forward by 120) is configured to press the cultivated crop below the water surface until the cultivated crop is out of the pesticide application range of the spreading device 150. That is, the cultivated crop exposed to the water surface of Munon is primarily pressed down the surface by the bottom of the hull structure 110 as the pesticide spraying boat 100 moves, and is pressed secondly when the hull structure 110 passes. The structure 170 is pressed down the surface of the water. To this end, the pressing structure 170 may include a frame structure 172 and a plate structure 174.

In this case, the frame structure 172 may be configured such that one end thereof is coupled to the rear end of the hull structure 110 and the other end thereof extends toward the water surface behind the hull structure 110.

The plate structure 174 is coupled to and supported by the other end of the frame structure 172 and is configured to press down the cultivated crop located in the pesticide spreading range of the spreading device 150 below the water surface. In this case, the plate structure 174 may include a plurality of through holes 176 through which non-non-water passes. In addition, the plate structure 174 may be rotatably coupled to the other end of the frame structure 172 in the vertical direction. To this end, the plate structure 174 may include a pressing plate portion 174a, a coupling portion 174b and a stopper 174c.

The pressing plate portion 174a may have a flat plate shape as a whole. The pressing plate portion 174a may be provided with a plurality of through holes 176 through which non-non-water passes. In this case, each of the plurality of through holes 176 extends in the width direction of the pressing plate portion 174a corresponding to the width direction of the hull structure 110, and corresponds to the length direction of the hull structure 110. The pressing plate portion 174a may be configured to be arranged side by side in the longitudinal direction.

One end of the coupling portion 174b is connected to the pressing plate portion 174a and the other end thereof is rotatably coupled to the frame structure 172 to rotate the pressing plate portion 174a in the vertical direction.

The stopper 174c is located at one end of the pressing plate portion 174a adjacent to the rear end of the hull structure 110 and is supported by the rear end of the hull structure 110 to limit the rotation range of the entire plate structure 174. It can be configured to. That is, when the pressing plate portion 174a is rotated downward so that the bottom surface of the pressing plate portion 174a is coplanar with the bottom surface of the hull structure 110, the stopper 174c contacts the rear end portion of the hull structure 110. Therefore, the pressing plate portion 174a may be limited to no longer rotate downward.

FIG. 7 is a vertical cross-sectional view of a portion A-A 'of the pressing structure 170 shown in FIG. 2.

As shown in FIG. 7, the pressing structure 170 may include a plurality of through holes 176. In addition, the inner wall of each through hole 176, the inclined surface 178 so that the water located on the bottom surface of the pressing structure 170 rises to the upper surface of the pressing structure 170 as the pesticide spraying boat 100 moves forward. This can be formed. In this case, each of the inclined surfaces 178 may be configured to be inclined to rise upward gradually toward the rear of the hull structure 110.

As such, upward flow and vortex are generated on the upper surface of the pressing structure 170 through the plurality of through holes 176, so that the pesticide sprayed on the upper portion of the pressing structure 170 may be rapidly mixed with the water of non-nonon. have.

8 is a block diagram of a control device 800 of a pesticide spraying boat according to an embodiment of the present invention.

As shown in FIG. 8, the control device 800 includes a wireless communication unit 810 and a control unit 850, and further includes an input unit 820, a display unit 830, a power supply unit 840, and the like, according to an embodiment. It may include.

The wireless communication unit 810 is configured to receive a command signal of a user transmitted wirelessly from a remote controller through an antenna and transmit the received command signal to the control unit 850.

The controller 850 is configured to control an operation of the pesticide spraying boat 100 according to a command signal of the user received through the wireless communication unit 810. To this end, the controller 850 may optionally include hardware such as a general-purpose processor for executing control logic, an application-specific integrated circuit (ASIC), other chipsets, logic circuits, registers, and memory. The controller 850 may be configured by combining hardware and software. That is, the control logic of the controller 850 may be configured as a computer program and stored in its own memory or a separate storage unit of the controller 850, and the stored computer program may be configured to be executed through hardware of the controller 850.

The controller 850 may include a command signal receiver 851, a propulsion device controller 852, a steering device controller 853, and a pump controller 854 as functional components that are functionally divided.

 The command signal receiver 851 receives a user's command signal from the remote controller through the wireless communication unit 810.

When the received command signal is an acceleration command signal or a deceleration command signal for adjusting the speed of the pesticide spraying boat 100, the propulsion device control unit 852 is a propulsion installed in the pesticide spraying boat 100, respectively according to the command signal Increase or decrease the output of device 120.

When the received command signal is a direction change command signal for changing the direction of the pesticide spraying boat 100, the steering device control unit 853 is a steering device 130 installed in the pesticide spraying boat 100 in accordance with the command signal Control the servo motor to rotate the rudder to the left or right by a certain angle.

In addition, when the received command signal is a spray command signal for spraying the pesticide of the pesticide spraying boat 100, the pump control unit 854 according to the command signal spraying device 150 installed in the pesticide spraying boat 100 The pesticide is sprayed through the nozzle structure 154 by controlling the pump. In one embodiment, when the output of the propulsion device 120 is increased or decreased, the pump control unit 854 automatically controls the pump of the spraying device 150 through the nozzle structure 154 without the user's separate operation, respectively. It may be configured to increase the injection amount of the pesticide sprayed.

For example, when an acceleration command signal is received from the remote controller, the propulsion device controller 852 increases the output of the propulsion device 120 installed in the pesticide spraying boat 100 according to the acceleration command signal. When the output of the propulsion device 120 is increased, the pump control unit 854 automatically controls the pump of the spreading device 150 without the user's separate operation, thereby increasing the amount of spray of pesticide sprayed through the nozzle structure 154 Can be.

On the other hand, the input unit 820 may be configured to directly receive a user's command signal, optionally including input means such as a switch, a button, a touch sensor. The display unit 830 may be configured to selectively include visual output means such as a display panel, an LED, a lamp, and the like, to display a power state, an operation state, a pesticide remaining amount, and the like of the pesticide spraying boat 100. The input unit 820 and the display unit 830 may be disposed on the operation panel 162 of the electronic box 160. The power supply unit 840 may be configured to supply power required for the operation of the pesticide spraying boat 100. To this end, the power supply unit 840 may include a battery module capable of charging and discharging and a battery management system (BMS) for managing the battery module.

As described above, according to the present invention, by using the nozzle structure that is configured to be rotatable on its own and fixed to the rear end of the boat hull, a limited range of spraying pesticides extensively in the left and right side directions of the boat or located at the rear of the boat By spraying the pesticide to the surface of the, it is possible to easily adjust the pesticide application direction and the pesticide application range according to the growth state of the cultivated crop.

In addition, by using the pressing structure installed at the rear end of the boat by pressing the cultivated crop below the water until the cultivated crop located in the rear of the boat is outside the pesticide application range, the cultivated crop is exposed to the water surface of Munon Also, the pesticide raw material may not be directly sprayed on the cultivated crop, and the damage of the cultivated crop by the pesticide raw material may be prevented.

In addition, unlike the general boat, the bottom plate portion corresponding to the bottom of the boat has a generally flat plate-like structure, and by providing a plurality of wall portions extending in the longitudinal direction of the boat on the bottom plate portion, the depth of the boat in Munnon is low. Not only does it make it easier to move, but it also prevents warpage or warping of the base plate with a plate structure even when the boat load increases or the direction of the boat changes suddenly. Its rigidity and durability can be improved.

Furthermore, the embodiments according to the present invention can solve various technical problems other than the contents mentioned in the related art as well as the related art.

So far, the present invention has been described with reference to specific embodiments. However, it will be apparent to those skilled in the art that various modifications may be implemented in the technical scope of the present invention. Therefore, the above-described embodiments should be considered in descriptive sense only and not for purposes of limitation. That is, the true technical scope of the present invention is shown in the claims, and all differences within the equivalent range will be construed as being included in the present invention.

100: pesticide spraying boat 110: hull structure
120: propulsion device 130: steering device
140: pesticide tank 150: spraying device
152: pesticide moving tube 154: nozzle structure
154a: support pipe structure 154b: injection pipe structure
156: fixed plate 160: electrical box
170: push structure 172: frame structure
174: Plate Structure

Claims (8)

A pesticide spraying boat for spraying pesticides while moving along the water surface of Munon with a propulsion device for generating wind, a steering device for changing the direction of wind generated from the propulsion device, and a pesticide tank containing pesticide,
A hull structure in which the propulsion device, the steering device, and the pesticide tank are installed on an upper surface thereof and have a generally flat bottom surface and float on the water surface of Munnon;
It is installed on the hull structure and sprays the pesticides contained in the pesticide tank, but is configured to spray pesticides in the left and right side direction of the hull structure for widespread spraying in the early stage of cultivation in which the cultivated crop is not exposed over the water surface of Munon, cultivated crops A spraying device configured to spray the pesticide downwards toward a limited range of water located within a predetermined distance from the rear end of the hull structure to the rear of the hull structure for narrow-range spraying of the cultivation medium exposed over the water surface of the Munnon; And
A control device installed in the hull structure to control the propulsion device, the steering device, and the spraying device according to a command signal wirelessly received from a remote controller;
The spraying device,
A pump for generating pressure in the pesticide moving pipe connected to the pesticide tank to move the pesticide contained in the pesticide tank through the pesticide moving pipe;
A tubular structure extending from a first axis to an inner center, a support tube structure having one end inserted into an inner hollow of the pesticide moving tube and the other end positioned outside of the pesticide moving tube, and a tubular structure having an inner hollow One end is coupled to the other end of the support tube structure, the first axis is rotatably coupled to the center of rotation, and the other end extends from the inner center to the second axis forming a predetermined slope with the first axis, the outer pesticide at the end A nozzle structure having an injection pipe structure in which injection holes are injected to the air; And
A fixing plate having one end coupled to a rear upper surface of the hull structure and the other end bent upward of the hull structure to be coupled to the nozzle structure to fix the nozzle structure to the rear end of the hull structure,
The support tube structure of the nozzle structure is configured to be coupled to the fixing plate is inserted into the through-hole formed in the other end of the fixed plate the other end located outside the pesticide moving tube,
In the support tube structure of the nozzle structure, a labyrinth seal is formed on an outer surface of the one end inserted into the pesticide moving tube, and a screw member is coupled to an outer surface of the other end coupled to the fixing plate. Thread is formed,
And the screw member is screwed to the outer surface of the other end of the support tube structure to be in close contact with a periphery of a through hole of the fixing plate into which the support tube structure is inserted. delete delete The method of claim 1,
The propulsion device is installed the hull structure,
An electric motor that rotates the propeller using the power of a battery, but rotates the propeller in a forward or reverse direction under the control of the control device; And
Pesticide spraying characterized in that it comprises a housing having a propeller rotated by the electric motor at least in the inner space is formed of a tunnel-like mesh structure or a porous structure having openings in the front side and the rear side of the hull structure, respectively boat. The method of claim 1,
The pesticide spraying boat, when the spraying device sprays the pesticide downward toward the water surface located behind the hull structure for narrow-range spraying of the cultivation medium, the hull structure is moved forward and the cultivated crop is The boat for spraying pesticides further comprising a pressing structure for pressing the cultivated crops below the water until it is out of the spraying range of the spraying device. The method of claim 5,
The pressing structure,
A frame structure having one end coupled to a rear end of the hull structure and the other end extending toward the water surface behind the hull structure; And
And a plate structure coupled to the other end of the frame structure and configured to press the cultivated crop located below the surface of the water in the pesticide spraying range of the spreading device. The method of claim 6,
The plate structure is a pesticide spraying boat, characterized in that it comprises a plurality of through holes through which the non-non-water passes. The method of claim 6,
The plate structure includes a stopper rotatably coupled to the frame structure in the vertical direction and supported by a rear end portion of the hull structure at one end adjacent to the rear end portion of the hull structure to limit the rotation range of the plate structure. Pesticide spraying boat, characterized in that.

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