JP2003265088A - Method and system for controlling insect pest in tea garden - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a new method for controlling insect pests in tea garden enabling a specified quantity of an agrochemical to be easily applied to a specified area even by beginners having little experience in such a work or even in case of using new nozzles varied in agrochemical discharge quantities, and to provide a system for carrying out the method. <P>SOLUTION: The method comprises the following practices. An insect pest- controlling machine 3 is mounted with a flow meter S1 for measuring the application flow of the agrochemical, and a traveling machine body 2 is mounted with a speed meter S2 for measuring its traveling speed. Based on the measurements given by these meters S1 and S2, the application quantity of the agrochemical per present area is calculated. Based on the result, the application flow of the agrochemical in the insect pest-controlling machine 3 and/or the traveling speed of the traveling machine body 2 are/is altered so as to realize a desired agrochemical application quantity per area. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tea plant control method and apparatus for controlling pests parasitic on tea plants by a control machine mounted on a traveling machine body, and particularly to a spray amount per unit area suitable for the control. It relates to the controlled means.

[0002]

BACKGROUND OF THE INVENTION Conventionally, there is a ride-on type tea plant control device in which a traveling machine is equipped with a pest control machine and a tea plant is sprayed with a chemical to control pests of the tea plant. The amount of medicine sprayed in this device is adjusted by an operator based on experience by adjusting the supply pressure of the medicine by a pressure controller or manually changing the traveling speed of the traveling machine body.

The above-mentioned work of controlling the amount of sprayed chemicals in the control work requires experience in order to spray a predetermined amount of chemicals over a predetermined area, which is difficult for beginners and even for experienced users. It was a troublesome task. Furthermore, when using a new nozzle with a different amount of spray, the conventional experience is useless, and in order to be able to spray a predetermined amount of medicine on a predetermined area, it is necessary to repeat the spraying work several times and gain experience. There was a need.

[0004]

[Technical problem attempted to be developed] The present invention has been made from such a background, and even in the case of using a new nozzle having a small amount of ejection or a beginner who has little experience in tea field control, This is an attempt to develop a new method and apparatus for controlling a tea plantation, which makes it possible to easily spray a predetermined amount of a medicine on a predetermined area.

[0005]

[Means for Solving the Problems] That is, the method for controlling a tea plantation according to claim 1 is a method for controlling pests of a tea plant by mounting a control machine for spraying a chemical on a traveling machine body, wherein the control machine is A flow meter for measuring the sprayed flow rate of the medicine is provided, and a speedometer for measuring the traveling speed is provided on the traveling machine body. Calculate the application amount, and based on this calculated value, change either or both of the application flow rate of the chemical in the pest control machine and the traveling speed of the traveling machine to be the desired application amount of the chemical per unit area. It is characterized by. According to the present invention, it is possible to uniformly apply an ideal amount of a drug sprayed per unit area without experience. In addition, it reduces wasteful spraying of chemicals, lowers the cost of controlling tea plants, and is good for the surrounding environment.

In addition to the requirements of claim 1, the method of controlling tea plantations according to claim 2 sets in advance the amount of the chemical sprayed per desired unit area, and the set value and the calculated current unit. The method is characterized by comparing the amount of the chemical sprayed per area and automatically controlling either one or both of the opening / closing amount of the spray amount control valve and the traveling speed of the traveling machine body according to the difference. According to the present invention, the spray amount of the medicine is automatically controlled so as to be an ideal uniform amount, so that the burden on the operator is greatly reduced.

Furthermore, in addition to the requirements of claim 1, the method of controlling a tea plantation according to claim 3 sets in advance a spray amount of a medicine per desired unit area, and sets this set value and the calculated current unit. Compare the amount of chemical sprayed per area, and display the spray amount control valve or the specified travel speed adjustment value on the display panel according to this difference, and then adjust the spray amount manually based on this specified adjustment value. It is characterized in that either one or both of the valve opening / closing amount and the traveling speed of the traveling machine body are changed. According to this invention,
The amount of chemical sprayed becomes an ideal uniform amount, and the manufacturing cost of a device that realizes this can be kept low.

Furthermore, the tea plant control device according to claim 4 is:
In a device comprising a traveling machine traveling in a tea garden and a control machine for spraying a pest control agent for tea trees mounted on the control machine, a flow meter for measuring the supply flow rate of the chemical is provided in the control machine. In addition to being provided, a spray amount control valve is provided for the supply pipe system, and further, the traveling machine body is provided with a speedometer for measuring traveling speed, and further calculated from the measured values of the flow meter and the speedometer. The actual spray amount per unit area is compared with the set value of the spray amount per unit area set in advance by the operator before work, and the opening / closing amount of the spray amount control valve or It is characterized by comprising a control device having a control circuit for changing either or both of the traveling speeds of the traveling machine body. According to the present invention, the spraying amount of the medicine per unit area can be made uniform by the automatic control even if it has no experience. In addition, it reduces wasteful spraying of chemicals, lowers the cost of controlling tea plants, and is good for the surrounding environment.

Further, the tea plant control apparatus according to claim 5 is:
In a device comprising a traveling machine traveling in a tea garden and a control machine for spraying a pest control agent for tea trees mounted on the control machine, a flow meter for measuring the supply flow rate of the chemical is provided in the control machine. In addition to being provided, a spray amount control valve is provided for the supply pipe system, and further, the traveling machine body is provided with a speedometer for measuring traveling speed, and further calculated from the measured values of the flow meter and the speedometer. The actual amount of spray per unit area is compared with the set value of the desired amount of spray per unit area set in advance by the operator before work, and the amount of spray per desired unit area is calculated according to this difference. It is characterized in that it is provided with a display panel for displaying a specified value for adjusting either or both of a spraying amount control valve for controlling the amount and a traveling speed of the traveling machine body. According to the present invention, it is possible to uniformly apply an ideal amount of a drug sprayed per unit area without experience. In addition, it reduces wasteful spraying of chemicals, lowers the cost of controlling tea plants, and is good for the surrounding environment.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will now be described based on the illustrated embodiments. In the following description, first, the tea plantation control apparatus according to the present invention will be described, and then the tea garden control method according to the present invention will be described together with the description of the operating state of the tea garden control apparatus. The device indicated by reference numeral 1 in the drawing is
A riding type tea plant control device according to the present invention, which comprises a gate-shaped traveling machine body 2 traveling across a tea ridge A, and a control machine 3 mounted on the rear side of the traveling machine body 2. Consists of

Each device will be described below. First, the traveling body 2 will be described.
And a traveling device 23 to which a crawler provided below is applied
It consists of and. The gate-shaped frame 20 is composed of four leg frames 21 provided at the front, rear, left and right, and an upper deck frame 22 provided above the leg frames 21. The deck 2a is formed. Various devices for traveling and tea garden management work are installed on the upper deck 2a. Specifically, a driver's seat 24 is provided near the front center of the upper deck 2a, and in front of it. A control device 25 such as an operating lever is provided. Further, an engine 26 is provided at the center of the lower part on the upper deck 2a, and a hydraulic pump 27P is driven by this engine 26, and hydraulic oil in the hydraulic oil tank 27 drives the hydraulic motor M1 of the traveling device 23 and the chemical pump 35. To drive. Upper deck 2
A fuel tank 28 for the engine 26 is provided on the left front side on a, and a battery or the like is appropriately provided. Further, a control device C for controlling the control machine 3 is provided. A roof frame 4 is provided on the traveling machine body 2, and a roof sheet 5 is provided on the top of the roof frame 4.

Next, the control machine 3 will be described. Pest control machine 3
Is an individual ridge distribution pipe unit 3 including an arc-shaped distribution pipe 31 and a support frame 32 that supports the distribution pipe 31 in a fixed state.
0, a motor cylinder 33 for performing the projecting / withdrawing operation of the individual furrowing pipe unit 30, and a chemical liquid tank 34.
The chemical liquid pump 35 that sends the chemical liquid in the chemical liquid tank 34 to the spray pipe 31, the supply pipe 36 that branches into three pipes from the middle of supplying the chemical liquid in the chemical liquid tank 34 to the spray pipe 31, And a pressure control valve 38, which is an example of a spray amount control valve, and the like.

As an example, the individual furrow spraying tube unit 30 has a length substantially equal to the width of the tea furrow A on the rear side of the traveling machine body 2 so that the chemical solution can be sprayed to the three rows of tea furrows A by one run. Three individual ridge distribution pipe units 30 are arranged side by side. When the three individual furrow distribution pipe units 30 are described separately, the description will be given separately from the right side in the rear view of FIG. 2 with reference numerals 30A, 30B, and 30C.

The central individual ridge spreading pipe unit 30B is
It is provided so as to be movable up and down with respect to the rear part of the traveling machine body 2. Specifically, the spray pipe 31 of the individual furrow spray pipe unit 30B
As shown in FIG. 3, a support frame 32 for supporting the above is vertically swingably locked by a link mechanism, supported by a hydraulic cylinder 29 provided on the traveling machine body 2, and moved up and down. In addition, this center individual ridge spreading pipe unit 3
With respect to 0B, the individual ridge spreading pipe units 30A and 30C are connected to the left and right respectively. That is, with respect to both ends of the support frame 32 of the central individual ridge distribution pipe unit 30B, the individual ridge distribution pipe units 30A, 3A are rotatably supported.
The support frame 32 of 0C is connected.

As described above, the individual ridge distribution pipe units 30A and 30C projecting to the left and right of the traveling machine body 2 are rotatably connected to each other so that the chemical solution spreading position in the lateral direction of the traveling machine body 2 and The moving body 2 is configured so as to be able to project and retreat at the retreat position moved toward the center. Further, in the present embodiment, the motor cylinder 33 for performing the overhanging / leaving operation is provided so that the overhanging / leaving operation can be performed electrically from the driver seat 24. Specifically, the main bodies of the motor cylinders 33A and 33B are rotatably connected to the left and right of the central support frame 32 at their rear ends with the cylinder rods facing outward. On the other hand, the cylinder rods of these motor cylinders 33A and 33B are rotatably connected to the support frame 32 of the adjacent individual ridge distribution pipe units 30A and 30C. The supply pipes 36 from the chemical liquid pump 35 are connected to the spray pipes 31 of the individual furrow spray pipe units 30A, 30B, 30C, respectively, and the supply pipes 36A, 36 branched from the middle thereof.
An opening / closing valve 37 to which an electromagnetic valve or the like is applied is provided at B and 36C.

The spray port 31a in the spray pipe 31
In principle, the one in which the chemical solution is spread in the shape of a hollow cone is applied, but, for example, the injection ports 31a sprayed in a substantially linear shape may be provided at a plurality of locations. As a matter of course, as such an injection port 31a, a disk-shaped injection port capable of adjusting the spray mode may be used so that the operator can appropriately set the spray mode.

Next, as shown in the side view of FIG. 3, the chemical liquid tank 34 has a bottom portion 32a having a substantially trapezoidal shape with a short side, and is installed between the front and rear leg frames 21.
The bottom portion 32a of each of the left and right chemical liquid tanks 34 is located directly above the traveling device 23, while the upper half of the tank is located on the upper deck 2a. Further, the chemical liquid tank 34 is installed so as to fit within the vehicle width of the traveling machine body 2 as shown in the rear view of FIG. 2. The above is a general configuration of the riding-type tea plantation control apparatus 1, and can be modified into various other known configurations. Further, the present invention may be carried out in the form of the riding type tea garden control device 1 as described above, or may be carried out by a rail automatic traveling type tea plant control device which does not board a person, or a wireless control type tea garden control device. You may implement with an apparatus etc.

As a feature of the present invention, the supply pipe 36 before being branched into three is provided with a flow meter S1 for measuring the supply flow rate of the medicine as shown in FIGS. A pressure control valve 38, which is an example of a spraying amount control valve, is provided on the upstream side of the meter S1. Further, as shown in FIG. 3, a speed measuring hydraulic motor M2 is provided for a supply pipe for supplying hydraulic oil from the hydraulic pump 27P to the hydraulic motor M1 driving the traveling device 23. A speedometer S2 including a rotary encoder or the like that can measure the traveling speed by measuring the number of revolutions is provided. Of course, the speedometer S2 may be provided at a position of the wheel of the traveling device 23 besides this. Further, the manipulator 25 is provided with a display panel 6 that displays the current traveling speed, the current amount of drug sprayed per unit area, and the set ideal amount of drug sprayed per unit area.
The flow meter S1, speedometer S2, pressure control valve 38,
The on-off valve 37, the display panel 6 and the like are connected to the control device C. Although the pressure control valve 38 and the flowmeter S1 are provided on the supply pipe before branching, they may be provided on the supply pipes 36A, 36B, 36C after branching, respectively.

In the control device C, means for inputting an ideal chemical spray amount per unit area, means for inputting measured values of the flowmeter S1 and speedometer S2, and the flowmeter S1 and speedometer S2. A means for calculating the current drug application amount per unit area from the measured value, and the difference between the current drug application amount per unit area and the set ideal drug application amount per unit area is calculated. A means for selecting an adjustment amount of the pressure adjustment valve 38 according to the above, a means for outputting a pressure adjustment control signal to the pressure adjustment valve 38, a current traveling speed, and a current amount of the chemical sprayed per unit area. An automatic control circuit having means for displaying and outputting the amount of medicine sprayed per unit area on the display panel 6 is provided.

An example of the tea plant control device 1 of the present invention has the above-described specific form, and the tea plant control method will be described below together with this operation mode. First, the tea garden control device 1 is moved to position the spray pipe 31 on the tea ridge A, and the chemical liquid pump 35 of the control device 3 is driven. Then, before carrying out the disinfection prevention spraying work, a desired spraying amount is set to, for example, 1500 L / 10a. Next, the opening / closing valve 37 of each spray pipe 31 is opened to start spraying the medicine, and the tea plant control device 1 is advanced.

When the spraying of the medicine is started, the flow rate of the medicine is measured by the flow meter S1. Further, the speedometer S2 measures the current moving distance and the speed obtained by dividing the current moving distance by the moving time. Further, the sprayed area is calculated from the moving distance. It should be noted that the program is set so that the calculation formulas of the spraying area are different when the spraying pipes are three, two and one.

The chemical spray amount (L) measured by the flow meter S1 and the calculated spray area [a (R)]
From this, the amount of drug sprayed per unit area (L / 10a) is calculated. In this embodiment, specifically, 10a
The amount of medicine sprayed per (R) is calculated and displayed on the display panel 6, and the unit area is 10 as in this embodiment.
In addition to a, the application amount can be modified and calculated so that the application amount is calculated and displayed in various areas such as 1a and 20a.

Then, the calculated drug application amount per unit area (L / 10a) is compared with the initially set drug application amount per unit area (L / 10a), and the difference is determined according to the difference. Automatically controls the pressure control valve 38. At this time, of course, the opening and closing amount of the pressure control valve 38 is set to be different depending on whether the number of the spray pipes 31 to be sprayed is three, two or one. And this pressure control valve 3
By the control of 8, the actual spray amount (L / 10a) of the medicine per unit area is almost the preset spray amount (L / 10a).
/ 10a).

On the display panel 6, the amount of medicine sprayed per unit area (L / 10a) set as an example,
Calculated actual drug application amount per unit area (L /
10a), and the current traveling speed measured by the speedometer S2 is displayed.

[0025]

Other Embodiments The basic embodiment of the present invention is as described above, but various other modifications can be made. That is, in addition to the arch-shaped spray pipe 31 arranged on the tea ridge A shown in the basic embodiment, as shown in FIG. 5, a mosquito worm for controlling mosquito worms parasitic on a branch of a tea plant. It is also a preferred embodiment to provide a spray pipe 39 for use. In the present embodiment, the spreading tube 39 for scallops is
As an example, it is provided on both sides of the traveling device 23, and a total of four scabbards 39 for worms are provided facing the side end surface of the tea ridge A.

In the above embodiment, the calculated drug application amount per unit area (L / 10a) and the initially set drug application amount per unit area (L / 10a).
Although the embodiment in which the pressure control valve 38 is automatically controlled according to the difference between the above and the above is shown, the spraying amount control valve that achieves the set spraying amount (L / 10a) of the medicine per unit area is shown. Alternatively, an operator may control the spraying amount control valve or the traveling machine body 2 by manually displaying the designated travel speed adjustment value of the traveling machine body 2. Figure 6
In the case shown in (1), the designated pressure value, which is the regulation designated value, is displayed on the display panel 6, and the pressure of the pressure regulator 38M equipped with a manually operated spray amount regulating valve is manually adjusted. It is an embodiment.

Further, as the spray amount control valve used in the present invention, as in the above-described basic embodiment and other embodiments, the pressure control valve 38 and the pressure controller 38M are used to control the supply pressure of the medicine. In addition to changing the spray amount of the drug by changing it, it is possible to use a proportional valve such as a solenoid valve that changes the spray amount of the drug by changing the supply flow rate of the drug.

Further, instead of controlling the spray amount of the drug by using the pressure control valve 38 or the proportional valve, it is possible to change the spray amount of the drug by controlling the traveling speed.
Further, it is also possible to control the spray amount of the medicine by both controlling the pressure regulating valve 38 and the proportional valve and controlling the traveling speed.

[0029]

According to the method for controlling a tea plantation according to claim 1,
From the measured values measured by the flowmeter S1 and the speedometer S2, the current spraying amount of the chemical agent per unit area is calculated, and based on this calculated value, the spraying flow rate of the chemical agent in the pest control machine 3 or the traveling speed of the traveling machine body 2 is calculated. Since either or both of them are changed so that the desired amount of the drug is sprayed per unit area, the amount of drug sprayed per unit area can be made uniform even with no experience. . In addition, it reduces wasteful spraying of chemicals, lowers the cost of controlling tea plants, and is good for the surrounding environment.

According to the method for controlling a tea plantation according to a second aspect, a desired amount of the drug sprayed per unit area is set in advance, and the set value and the calculated current amount of the drug sprayed per unit area are calculated. In comparison, one or both of the opening / closing amount of the spray amount control valve and the traveling speed of the traveling machine body 2 are automatically controlled according to this difference, so that the burden on the operator is greatly reduced.

Further, according to the method for controlling a tea plantation according to claim 3, a desired spraying amount of the drug per unit area is set in advance, and the set value and the calculated current spraying amount of the drug per unit area are set. The display panel 6 displays the adjusted value of the spray amount control valve or the specified value of the traveling speed of the traveling body 2 according to the difference, and the opening / closing amount of the spray amount regulating valve or the traveling of the traveling body 2 is manually operated. Since either one or both of the speeds is changed, the spray amount of the drug becomes an ideal uniform amount, and the manufacturing cost of the device that realizes this can be kept relatively low.

Furthermore, according to the tea plant control apparatus of the fourth aspect, the control device 3 has a flow meter S for measuring the supply flow rate of the chemical.
1 is provided, a spray amount control valve is provided for the supply pipe system, and the traveling machine body 2 is further provided with a speedometer S2 for measuring the traveling speed, and the flowmeter S1 and the speedometer S2 are provided. The actual application amount per unit area calculated from the measured value is compared with the set value of the application amount per unit area set in advance by the operator before work, and the application amount is adjusted according to this difference. Since the control device C is provided with a control circuit that changes either one or both of the valve opening / closing amount and the traveling speed of the traveling machine body 2, the amount of the drug sprayed per unit area can be reduced without experience. By the automatic control, the ideal amount can be uniformly performed. In addition, it reduces wasteful spraying of chemicals, lowers the cost of controlling tea plants, and is good for the surrounding environment.

Further, according to the tea plant control apparatus of the present invention, either one or both of the spraying amount control valve and the traveling speed of the traveling machine body 2 for the desired spraying amount per unit area can be designated. Since the display panel 6 for displaying is displayed, the operator has experience by manually adjusting the spraying amount control valve or the traveling speed of the traveling machine body 2 in accordance with the designated adjustment value displayed on the display panel 6. Even if it is not necessary, the amount of the drug sprayed per unit area can be made uniform evenly. In addition, it reduces wasteful spraying of chemicals, lowers the cost of controlling tea plants, and is good for the surrounding environment.

[Brief description of drawings]

FIG. 1 is a perspective view showing a usage state of a tea plantation control apparatus of the present invention.

FIG. 2 is a rear view of the same.

FIG. 3 is a side view of the same.

FIG. 4 is an explanatory view schematically showing an example of a control route for carrying out the tea garden control method of the present invention.

FIG. 5 is an explanatory diagram showing another embodiment in which a spreading tube for controlling mosquitoes is provided.

FIG. 6 is an explanatory diagram showing another embodiment in which a spray amount of a medicine is controlled by a manual operation using a pressure regulator.

[Explanation of symbols]

1 Tea plant control equipment 2 traveling aircraft 2a Upper deck 20 portal frame 21 leg frame 22 Upper deck frame 23 Traveling device 24 driver's seat 25 pilot 26 engine 27 Hydraulic oil tank 27P hydraulic pump 28 Fuel tank 29 hydraulic cylinder 3 control machine 30, 30A, 30B, 30C individual ridge spreading tube unit 31 spray tubes 31a spout 32 Support frame 33, 33A, 33B Motor cylinder 34 Chemical tank 35 chemical pump 36, 36A, 36B, 36C Supply pipe 37 on-off valve 38 Pressure control valve 38M pressure regulator 39 Spreading tubes for insects 4 roof frame 5 roof sheet 6 Display panel A tea ridge C control device M1 hydraulic motor M2 speed measurement hydraulic motor S1 flow meter S2 speedometer

Claims (5)

[Claims] 1. A method for exterminating pests and diseases of tea plants by mounting a pest control device for spraying a chemical on a traveling machine body,
The control machine is provided with a flow meter for measuring the sprayed flow rate of the chemical, and the traveling machine body is provided with a speedometer for measuring the traveling speed, and the current unit is measured from these flow meters and the measurement value measured by the speedometer. Calculate the spray amount of the drug per area, and based on this calculated value, either or both of the spray flow rate of the chemical in the control machine and the traveling speed of the traveling machine becomes the desired spray amount of the drug per unit area. A method for controlling a tea plantation, which is characterized in that 2. A desired drug application amount per unit area is set in advance, the set value is compared with the calculated current drug application amount per unit area, and the application amount is determined according to the difference. 2. The method for controlling a tea plantation according to claim 1, wherein either one or both of the opening / closing amount of the control valve and the traveling speed of the traveling machine body are automatically controlled. 3. A desired spraying amount of the drug per unit area is set in advance, the set value is compared with the calculated current spraying amount of the drug per unit area, and the sprayed amount is determined according to the difference. The specified value for adjusting the travel speed of the control valve or the traveling machine is displayed on the display panel, and based on this specified value, either the opening / closing amount of the spray control valve or the traveling speed of the machine is changed manually. The method for controlling a tea plantation according to claim 1, wherein: 4. A device comprising a traveling machine for traveling in a tea garden and a control machine for spraying a chemical for controlling pests of tea trees, which is mounted on the machine, and the control machine is provided with a supply flow rate of the chemical. In addition to providing a flow meter for measuring, a spray amount control valve is provided for the supply pipe system, and further, the traveling machine body is provided with a speedometer for measuring traveling speed. The actual application amount per unit area calculated from the measured value is compared with the set value of the application amount per unit area set in advance by the operator before work, and the application amount is adjusted according to this difference. A tea plant control device, comprising a control device having a control circuit for changing one or both of the valve opening / closing amount and the traveling speed of the traveling machine body. 5. A device comprising a traveling machine for traveling in a tea garden and a control machine for spraying a drug for controlling pests of tea trees, which is mounted on the machine, wherein the supply flow rate of the chemical is supplied to the control machine. In addition to providing a flow meter for measuring, a spray amount control valve is provided for the supply pipe system, and further, the traveling machine body is provided with a speedometer for measuring traveling speed. The actual application amount per unit area calculated from the measured value is compared with the desired application amount setting value per unit area set in advance by the operator before the work, and the desired value is calculated according to this difference. A tea plantation control device comprising a display panel that displays a specified value for adjusting either or both of a spraying amount control valve for controlling the spraying amount per unit area and a traveling speed of a traveling machine body.