JPH0723639A - Device for automatically applying fertilizer and agrochemical to golf course of the like - Google Patents

Abstract

PURPOSE:To provide the subject device capable of reducing the application amounts of fertilizers and agrochemicals for the prevention of environmental pollutions and of saving labors, and useful for the growth of lawn grasses by disposing a thermometer and a hygrometer for the measurement of peripheral environments and a fertilize and agrochemical-supplying unit capable of being controlled with a microcomputer for each of plural applying stations. CONSTITUTION:This device for automatically applying fertilizers and agrochemicals to a golf course, etc., is provided with a thermometer.hygrometer 2 for measuring the peripheral environment, and a fertilizer.agrochemical-supplying unit 1 containing a raw solution tank 9 for storing the raw solution of the fertilizer and the agrochemical, a constant volume pump 10 for delivering the solution, a solution delivery electromagnetic value 7 for controlling the delivery of the raw solution of the fertilizer and the agrochemical into a water-supplying piping, and a flow meter for measuring the delivery volume of the raw solution of the fertilizer and the agrochemical. The switching operations of the water-supplying electromagnetic valve 4 and the solution delivery electromagnetic valve 7 in the unit for controlling the supply of the fertilizer and the agrochemical are controlled with a microcomputer, and the raw solution of the fertilizer and the agrochemical stored in the raw solution tank 9 is diluted and individually and automatically applied for each application station.

Description

Detailed Description of the Invention

[001]

BACKGROUND OF THE INVENTION The present invention relates to a golf course, a ground,
The present invention relates to an automatic fertilizer and pesticide spraying device for growing lawns in open spaces.

[002]

2. Description of the Related Art Fertilizer and pesticide application on golf courses, etc.
It is performed manually using a power sprayer or an automatic sprayer.

[003]

The above-mentioned known techniques are all carried out manually, and require a tank for storing a stock solution diluted with water, and further store a diluted fertilizer pesticide. It is necessary to move the tank to each sprinkling point. That is, there is a problem that it cannot be sprayed without a tank car and manpower. In addition, the applicant of the present application is directed to Japanese Patent Application No. 2-339 regarding automatic watering control technology controlled by a microcomputer.
No. 247, "Automatic watering control device for golf course, etc." has been filed, but it is an object to apply the above automatic watering control technique when spraying fertilizer pesticides.

[004]

According to the present invention, a golf course or the like is provided with a plurality of spraying stations each having a water supply solenoid valve for controlling the water supply to a sprinkler and individually controlling watering on a lawn. Each spraying station is equipped with a temperature / humidity meter for measuring the surrounding environment, a flow meter for measuring the liquid supply flow rate, a stock solution tank for storing the fertilizer / pesticide pesticide stock solution, and a constant flow rate for sending the solution. A water supply solenoid valve for controlling water supply to a pump and a sprinkler, and a fertilizer / agricultural chemical supply unit including a liquid flow solenoid valve for controlling liquid supply to a water supply pipe are provided, and a water supply solenoid valve for the fertilizer / agrochemical supply unit. A control device that controls the opening and closing of the liquid feeding solenoid valve by a microcomputer is provided, and microcomputer control is performed for each spraying station based on the ambient environment data measured by the temperature and hygrometer. By controlling the water supply solenoid valve and the liquid supply solenoid valve, the water supply from the water source device is controlled by the water supply solenoid valve, and the supply of the fertilizer / pesticide pesticide solution from the stock solution tank is controlled by the solution supply solenoid valve. The stock solution of fertilizer and pesticide stored in the stock solution tank is diluted and automatically sprayed individually.

[0095]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the embodiments shown in the drawings. Referring to FIG. 1, a plurality of spraying stations (a plurality of green areas) A ₁ , A ₂ , A ₃ , ...
Set _N. The water source amount (or water supply facility) 5 is provided for all spraying stations (or shared for a plurality of spraying stations for each group), and each spraying station A ₁ , A ₂ , A ₃ , ... A. Every _N ,
A sprinkler 3 and a water supply pipe 6 for watering the lawn are provided. Water source device 20 and each spraying station A ₁ ,
_{A 2,} A 3, and a water pipe 6 · · · _{A N,} connected via a water supply pipe 17 and the check valve 16. Each spraying station _{A 1,} A _2, A 3, to · · · _{A N,} the fertilizer pesticide supply unit 1, independently provided separately.

Referring to FIG. 2, the fertilizer / agricultural chemicals supply unit 1 includes a water supply solenoid valve 4 for controlling water supply to the sprinkler 3, a constant flow pump 5 for supplying a constant amount of water to the water supply pipe, and a water supply pipe. 6, a liquid feed solenoid valve 7 for controlling the liquid feed of fertilizer and pesticide, a flow meter 8 for measuring the liquid feed flow rate, and a stock solution tank 9 for storing a stock solution of fertilizer and pesticide. Further, in the spraying station A, a temperature / humidity meter 2 for measuring the surrounding environment is provided for each spraying station.

The control device 10 compares the measured ambient environment data input from the temperature / humidity meter 2 with the previously recorded annual humidity / temperature data, and outputs the detection data signal, and the measured data calculation means 11 is provided. A control signal generator 12 for generating a control signal from the measurement data calculator 11 and a water supply solenoid valve 4 based on the control signal from the control signal generator 12.
Also, the solenoid valve control means 13 for outputting an opening / closing control signal to the liquid feeding solenoid valve 7 is compared with the control signal from the control signal generating means 12 and the measured liquid feeding amount input from the flowmeter 8, and the constant flow rate pump 10 is supplied. Constant flow rate control means 14 for outputting a flow rate control signal
And a water supply solenoid valve 4, a liquid feeding solenoid valve 7 and a constant flow pump 5 are controlled by the microcomputer. Although the control device (microcomputer) 10 is provided in the fertilizer pesticide supply unit 1 in the embodiment, a plurality of spraying stations A ₁ , A ₂ , A ₃ ,. ... in which the a _N may be centralized control. The automatic fertilizer / pesticide spraying control device for a golf course or the like according to the present invention includes a plurality of spraying stations A ₁ , A ₂ , A ₃ ,
Every ··· _{A N,} temperature and of each of the spraying station A
With the hygrometer 2, each spraying station A ₁ , A ₂ , A ₃ , ...
・ Measure the ambient environment of A _N. Control device (microcomputer) 1
At 0, the measurement data calculation means 11 uses the temperature / humidity meter 2
The input measurement ambient environment data S ₁ and the previously recorded annual humidity / temperature data are compared and calculated to output a detection data signal S ₂ .

The control signal generating means 12 calculates the detection data signal S ₂ from the measurement data calculating means 11 to calculate the control signal S 2.
₃ is generated. The data of the control signal generating means 12 are as follows. ( ₁ ) Temperature data range: −5 ° C. to 50 ° C. ( ₂ ) Humidity data range: 0 to 100% RH The solenoid valve control means 13 controls the solenoid valve 4 and the solenoid valve 4 based on the control signal S ₃ from the control signal generating means 12. Open / close control signals S ₄ and S ₅ are output to the solenoid valve 7. Constant flow rate control means 1
Reference numeral 4 outputs a flow rate control signal to the constant flow rate pump 10 based on the control signal S ₃ from the control signal generating means 12. Therefore, when the control device (microcomputer) 10 determines that the fertilizer and pesticide should be sprayed on the lawn of the golf course, the opening / closing control signals S ₄ and S ₅ for the water supply solenoid valve 4 and the liquid delivery solenoid valve 7 are determined.
Is "open", and the constant flow rate signal S ₆ for a constant flow rate pump 10, "closed", and then diluted with water supply from the water source device supplies a stock solution of fertilizer pesticides water supply pipe, feeding the sprinkler 4 Liquid and diluted fertilizer pesticide sprinkler 4
Spray more on the lawn. Thus, the spraying of the fertilizer pesticide on the lawn is carried out at the individual spraying stations (green) A ₁ ,
_{A 2,} A 3, automatically controlled individually depending on the weather conditions of each · · · _{A N.}

By adding a temperature / humidity meter 2 or a moisture meter of the fertilizer / agricultural chemical supply unit to measure the moisture and temperature at or near the root of the lawn, the water supply solenoid valve is controlled by the control device (microcomputer) 10, 10A. By controlling No. 4, the automatic fertilizer-pesticide application controller of the present invention can function as the automatic watering apparatus of the prior invention even when the application of fertilizer-pesticide is not required. Further, in the embodiment, only the temperature / humidity meter 2 is connected as a sensor to the control device (microcomputer) 10, 10A, but by utilizing the fact that the degree of reflection of light rays and the color of the lawn surface are different due to the growth of the lawn. By connecting various sensors to detect the growth condition of the lawn, the application amount and timing of the fertilizer / pesticide application can be controlled according to the growth condition of the lawn by applying the present invention.

[0101]

INDUSTRIAL APPLICABILITY The present invention can reduce the amount of applied fertilizer and pesticide by automatically controlling the application of spray according to the surrounding environment of each spray station, and at the same time, the fertilizer and pesticide required by the lawn for each spray station. It is possible to maintain proper growth by maintaining good health by appropriately determining the appropriate amount of fertilizer and agrochemicals and controlling them optimally. In addition, by reducing the amount of sprayed agricultural chemicals, it is possible to reduce the pollution caused by the agricultural chemicals flowing out from the golf course. In addition, when spraying fertilizer pesticides, the spraying site fixed type and spraying site dilution method at each spraying station eliminates the need for fertilizer pesticide tank trucks, and the stock solution is supplied by changing the cartridge supply method. Labor can be saved.

[Brief description of drawings]

FIG. 1 is a schematic view showing the outline of an automatic fertilizer-pesticide spraying device for a golf course or the like according to the present invention.

FIG. 2 is a block diagram of an automatic fertilizer and agrochemical application device for each application station.

[Explanation of symbols]

 1 Fertilizer and agrochemical supply unit 2 Temperature / humidity meter 3 Sprinkler 4 Water supply solenoid valve 5 Stock solution tank 6 Water supply pipe 7 Liquid delivery solenoid valve 8 Flow meter 9 Constant flow pump 10 Controller (microcomputer)

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location B05B 12/12

Claims (3)

[Claims] 1. A golf course or the like has a sprinkler for sprinkling water supplied to the lawn from a water source device water supply pipe, and a water supply solenoid valve for controlling water supply to the sprinkler. A plurality of spraying stations that are individually controlled are provided, and each spraying station has a temperature / humidity meter for measuring the surrounding environment and a stock solution tank for storing the stock solution of fertilizer and pesticide; A fertilizer-pesticide supply unit including a flow rate pump; a liquid-feed solenoid valve for controlling the feed of the fertilizer-pesticide stock solution to the water supply pipe; and a flow-meter for measuring the feed-rate flow rate of the fertilizer-pesticide stock solution. A control device that controls the opening and closing of the water supply solenoid valve and the liquid feed solenoid valve of the fertilizer and agrochemical supply control unit with a microcomputer is provided, and based on the ambient environment data measured by a temperature / humidity meter for each spraying station, Microcomputer control outputs an open / close control signal to the water supply solenoid valve and the liquid feed solenoid valve, and the water supply solenoid valve feeds water from the water source amount, and the liquid feed solenoid valve supplies the fertilizer and pesticide stock solution stored in the stock solution tank. An automatic fertilizer-pesticide spraying device for golf courses, etc., which is characterized by diluting the stock solution of fertilizer and pesticide stored in the stock solution tank at each spraying station and automatically spraying it individually. 2. An automatic fertilizer-pesticide spraying apparatus for a golf course or the like according to claim 1, wherein the stock solution tank is a concentrated fertilizer-pesticide cartridge filled with a stock solution of fertilizer-pesticide, and the fertilizer-pesticide is supplied by a cartridge exchange system. 3. A measurement data calculating means for comparing and calculating ambient environment data input from a temperature / humidity meter and prerecorded annual humidity / temperature data, and outputting a detection data signal to the control device. Control signal generating means for generating a control signal from the computing means, solenoid valve control means for outputting an opening / closing control signal to the water supply solenoid valve and the liquid feeding solenoid valve based on the control signal from the control signal generating means, and the control signal generating means Comprised of a microcomputer having a function as a constant flow rate control means for comparing the control signal from and the measured liquid feed amount input from the flow meter and outputting a flow rate control signal to the constant flow rate pump, for each spraying station, Based on the ambient environment data measured with a temperature / humidity meter, the microcomputer control of the control unit outputs an opening / closing control signal to the water supply solenoid valve and the liquid feeding solenoid valve,
The automatic fertilizer-pesticide spraying device for a golf course or the like according to claim 1, wherein the water supply from the water source device is controlled by a water supply solenoid valve, and the supply of the stock solution of the fertilizer pesticide stored in the stock solution tank is controlled via the liquid-feed solenoid valve.