JPH027705B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a configuration in which the spraying operation of a speed sprayer is remotely and centrally controlled by a control display panel provided on the side of the cockpit.

Speed sprayers drive around the branches and leaves of fruit trees, lowering the height of the vehicle and spraying continuously to ensure that the chemical solution adheres to the complex tree shape, so it has the characteristic of spraying an excessive amount of chemical solution. However, as a result, the operator has to deal with the trouble of operating the supply valve of the spray nozzle, which is divided into multiple parts such as the upper left and right parts, and the complicated driving handle between the trees, and at the same time, there is a problem that an unnecessary amount of chemical solution is sprayed.

The present invention has been proposed in view of this point.

Next, the configuration will be explained based on the drawings in which the present invention is implemented.

FIG. 1 is a side view of a speed sprayer embodying the present invention, in which a is a cockpit, c is a spraying device, and d is a running section. b is a control display panel attached to a part of the front operation panel of driver's seat a. Reference numeral 4 indicates an electric valve, which is arranged on the side of the driver's seat.
3 indicates a nozzle, and the spray liquid is dispersed by the wind power of an axial fan installed in the spray device c.

FIG. 2 is a flowchart of chemical spraying, where 2 indicates a chemical tank, in which the chemical is sucked in by the operation of the pump 5, passes through the pressure regulator 7, and passes through the electric valve 4 to the spray pipe 6.
It passes through the inside and is ejected from the nozzle 3. In this embodiment, there are four sets of electric valves 4, including upper and lower left LH,
It is divided into LL, upper and lower right RH, and RL.
These four sets of step switches are set on the control display panel b, and are connected to the photoelectric switch LS, which is an embodiment of the object sensing switch 1, and are connected to the conductive valve (SOV).
Instruct 4. The BL is connected to the case that covers the photoelectric switch LS with a blower, and constantly blows air.

Here, electrical control which is an embodiment of the present invention will be explained. FIG. 3 is an electric circuit diagram, and FIG. 4 is a circuit diagram of an instruction unit that automatically controls the electric valve 4 for dispersing instructions from a sensor.

When the MS is turned on with the main switch, the relay MR is activated.
is energized and main power is applied, and at the same time the blower
BL is driven. Here, when the RL step switch is pressed (first time), manual operation is started and a solenoid valve (SOV), which is an embodiment of the motor-operated valve 4, is opened.

When the step switch is pressed further (second time), it becomes automatic and power is applied to the photoelectric switch LS.
When an object is detected, the solenoid valve (SOV) opens,
A few seconds of off-day play has been applied.

FIG. 4, which shows the control instruction unit, will be explained in more detail.

(1) In the case of manual operation When step switch RL is pressed, the output is output to counter IC A and OR1 becomes H. Next, TR1 turns ON, the RS relay turns ON, and the solenoid valve (SOV)
is opened, the chemical solution is sprayed, and at the same time, the flashing LED-1 turns on.

(2) In the case of automatic operation When step switch RL is pressed again (second time), it is output to counter IC B, TR2 is turned ON, RP is excited, RPP is closed, the automatic mode is turned on, and at the same time the photoelectric Power is applied to switch LS. At this time, H is input to B of AND1.

Here, when an object (a fruit tree) is detected by the photoelectric switch, OUT of LS is outputted to L, input A of NOT becomes L, the output becomes H, and diode D1 turns on to charge capacitor C1. C
When 1 is charged, the A input of AND1 becomes H, so the output Y becomes H, the OR becomes H, and TR
RS is excited through 1, and the solenoid valve (SOV) is opened. When the object disappears, the OUT of LS becomes H, so the input of NOT becomes H, the output becomes L, and D
1 becomes OFF. When D1 turns OFF, the A input of AND1 becomes L with a delay of several seconds due to the time constants of C1 and R1. Therefore, after the object disappears, continue spraying the chemical solution for several seconds to ensure that it also adheres to the back of the object.

(3) To stop manual and automatic spraying Press RL again (3rd time) to stop the counter IC.
Since AB both become H, the output Y of AND2 becomes H.
The counter IC has been reset.
AB becomes LL and manual and automatic circuits stop.

As mentioned above, operations (1), (2), and (3) are repeated to respond to the desired complex object, and all you have to do is select the operation of the step switches RL, RH, LH, and LL. .

As mentioned above, a control display panel is installed on the side of the driver's seat of the speed sprayer to remotely control the ON/OFF of the multiple spray nozzles, allowing the driver to avoid the branches and leaves of fruit trees and concentrate solely on driving. It is now possible to reliably spray only objects such as trees. Therefore, it is safe because the driver can concentrate on driving even in complicated tree areas such as slopes, and since unnecessary chemical liquid is not sprayed, it is possible to prevent liquid chemical pollution from being washed away as in the past. .

In addition, in operation, you can switch between manual and automatic spraying by simply pressing a switch. For example, in the case of dwarf cultivation, you can stop the upper nozzle, or when only one side of the field is needed, you can manually operate one side. Reliable spraying is possible without using chemical solutions.

[Brief explanation of drawings]

Fig. 1 is a side view of a speed sprayer embodying the present invention, Fig. 2 is a chemical spraying flow diagram, Fig. 3 is an electric circuit diagram, and Fig. 4 is a circuit diagram of a control instruction unit. ...Control display panel, c...
Spraying device, d... Traveling part, 1... Object sensing switch, 2... Chemical tank, 3... Nozzle, 4... Electric valve (SOV), 5... Pump, 6... Spraying pipe, 7
...Pressure regulator, LS...Photoelectric switch, MS...
Main switch, RL, RH, LH, LL...Step switch, BL...Blower, IC...Counter IC,
TR1, TR2...transistor, MR, RP, RS
... Relay, LED ... Flashing lamp, L1, L2
... Indicator light, b-1 ... Control instruction unit.

Claims (1)

[Claims] 1. An object detection switch is installed on the spray vehicle, which is equipped with a cockpit, a chemical tank, and a spraying device, to detect an object such as a fruit tree and instruct the electric valve installed in the spray pipe that communicates with the spray nozzle to spray the chemical solution. 1. A speed sprayer characterized in that a chemical spraying vehicle configured to automatically start and stop said electric valve, said electric valve being remotely and centrally controlled by a control display panel provided on the side of a driver's seat.