RU2363130C1 - Quadratic-cluster method of sowing - Google Patents

Abstract

FIELD: agriculture.

SUBSTANCE: sowing method consists in location control of seed clusters. By edges of field area perpendicularly to driving direction of aggregate and parallel to soil surface there are generated laser beams. Beams are alignment reference of distances. Field length multiple of sowing pitch. Beams activate and deactivate optical instrument, installed on seeding-machine. Optical instrument measures traversed by seeding-machine path and connected to electronic control device of seeding-machine. Control device, in turn, by means of electric circuit controls switching of actuator of seeds feeding by seeding-machine sections. Seeds feeding is implemented at moments when distance between seeding-machine and alignment reference of distances is multiple of value of defined sowing pitch.

EFFECT: labour coefficient decreasing and accuracy increasing of location of seeds clusters on field by angled of squares.

1 dwg

Description

The invention relates to agriculture, in particular to methods of sowing.

There is a method of sowing using a square-nesting seeder by forming furrows and planting seeds in them with the formation of nests according to the signals of magnetic impulse sensors interacting with ferromagnetic dimensional tracker [1].

The disadvantage of this method is the impossibility of multiple use of dimensional track markers located on the soil surface and their large number.

The closest is the method of ultrasonic control of the seeders during square-nesting sowing, which consists in the fact that ultrasonic pulses of a certain frequency and duty cycle emitted by the device mounted on the seeder are used. These pulses are reflected from the resonant amplifier, again captured by the same device and actuate the actuator at those times when the distance between the seeder and the resonant reflector is equal to or a multiple of the specified distance between the sockets [2].

The disadvantage of this method is the lack of directivity of radiation and reception, which leads to significant errors during sowing.

The objective of the present invention is to reduce the complexity of the method of sowing and increase the accuracy of placement of nests of seeds on the field at the corners of the squares.

The problem is achieved in that along the edges of the field, the length of which is a multiple of the sowing step, laser beams are generated perpendicular to the direction of movement of the seeder and parallel to the soil surface, which are the reference points for distances that activate and deactivate an optical device mounted on the seeder that measures the distance traveled by the sowing unit and connected with an electronic control device of the seeder, which in turn, by means of an electric circuit, controls the actuation of the seed feed actuator projections of drills, at those instants when the distance between the drill and the base reference distances predetermined value multiple of seeding step.

The drawing shows a diagram of a square-nest seeding.

Before sowing along the edges of the field, the length of which is a multiple of the sowing step, laser beams are generated at the beginning and at the end of the headland, which are the basis for reading the distances. In this case, the lines of action of the laser beams are perpendicular to the direction of movement of the seeder and parallel to the surface of the soil. At the beginning of the first rut, when the seeder crosses the line of action of the laser beam, the optical device 1 mounted on the seeder is activated, which begins to determine the movement of the seeder. The optical device 1 transmits the measurement results of the seeder movement to an electronic control device (not shown) via circuit 2. In this case, at the time when the seeder moves a predetermined sowing step t, the electronic control device drives the seed supply actuator 3 via an electric circuit 3 seeder sections that eject portions of seeds into the furrows and form nests on the same transverse line. At the end of the first rut, when crossing the line of action of the laser beam, the optical device 1 is turned off. Next, the seeder makes a technological turn and begins to move in the opposite direction along the second run. In this case, the inclusion of the optical device 1 and the further work of the seeder occurs according to the scheme described previously. Since the field length is a multiple of the sowing step, the nests are located across the field in transverse lines, which provides a square-nested sowing.

Information sources

1. AS of the USSR No. 103878, class A01C 7/04, 1955.

2. AS of the USSR No. 127497, cl. АСС 7/04, 1960 - prototype.

Claims (1)

A square-nested method of sowing, including controlling the placement of seed nests, characterized in that along the edges of the field, the length of which is a multiple of the sowing step, laser beams are generated perpendicular to the direction of movement of the aggregate and parallel to the soil surface, which are the basis for counting distances that activate and deactivate the optical device mounted on the seeder, measuring the distance traveled by the seeder and connected to the electronic control device of the seeder, which, in turn, is controlled by an electric circuit m turning actuator sections sowing seed feed mechanism, at the moments when the distance between the drill and the base reference distances predetermined value multiple of seeding step.

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