SU1436944A1 - Hydraulic automatic water outlet - Google Patents

Abstract

The invention relates to agriculture and is intended to automate the irrigation of closed irrigation systems. The goal is to expand the range of application and improve accuracy. The outlet includes a housing 1 with an inlet 2 and an outlet 3 with nozzles and a diaphragm valve 4 and is equipped with a outlet outlet switch 20 and an off relay 21. The relays 20 and 21 are of the membrane type and are interconnected by the rod 24. The relay 21 by the rod 22 is connected with the relay 18 of starting and stopping the hydraulic drive of the pump 6 of the membrane type. The rod 8 of the pump 6 interacts with the hydraulic actuator 9. The hydraulic actuator 9 includes two chambers 10 with diaphragms 11 interconnected by the rod 15. On the rods 15, 22 and 22 are installed spool valves. When water is supplied to the water outlet, it fills the working chamber of hydraulic drive 9, enters the pump biv chamber of the outlet outlet 21. The outlet time is determined by the relay setting. 1 hp ff, 1 ill. Yu

Description

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The invention relates to agriculture and is intended to automate closed irrigation systems.

The purpose of the invention is to expand the range of application and increase the accuracy of operation by eliminating the viscosity effect on the outlet outlet operation mode 5.

The drawing shows the outlet in the initial position.

The outlet includes a housing 1 with an inlet 2 and an outlet 3 with nozzles, a valve 4c x; diaphragm actuator 5, diaphragm pump 6, containing hydraulic actuator with diaphragm 7 and rod 8 interacting with hydraulic actuator 9. The latter contains two chambers 10 separated by membranes 11 into working 12 and drive 13 cavities. Between . chambers 10 is located spool valve 14 with stem 15. Cavity 13: communicated through unregulated throttle 16. Cavity 12 of the left chamber communicated with the drive pump pump 6 and vice versa. In this way, synchronization of the operation of the outlets is ensured. As soon as the membrane 11 occupy the extreme position, the dispenser 14 is switched.

The discharge of water from the working cavity 12 of the left chamber 10 stops and fluid flows from the nozzle 2 into it. A reverse movement of the membrane 11 begins. From the working cavity 12 of the right chamber 10, the liquid is discharged.

When the diaphragm 11 of the right chamber 10 of the actuator 9 approaches to the extreme right position, it drives the diaphragm pump 6, the distributor 14 moves to the position shown by solid lines.

The volume of fluid is squeezed out through the distributor 25 into the working cavity 28 of the outlet outlet switch 20. The volume of this cavity is regulated by the change of the handles 2 and 3 through the distributor 14. 20 by the length of the stem 24, its minimum volume

The pump 6 is communicated with the pipe 2 through the check valve 17.

The hydraulic actuator 9 is equipped with a relay 18 of the start and stop of the membrane type, the working cavity 19 of which is in communication with the nozzle 2.

is set at the first outlet, which is commissioned first, and the maximum - at the final outlet, which is included last. When the relay 20 is triggered, the distributor 25 switches the pump b to supply the operating outlet. The outlet is equipped with a relay 20 turning on 25 whose fluid into the working cavity of the relay 21

and a membrane-type switching relay 21. The relay 18 for starting and stopping is connected with the switch-off relay 21 by the valve 22 of the spool valve 23. The switch-on relay 20 and switch-off relay 21 are connected by the stem 24 of the switch valve and the water outlet.

During this period of time, water from the supramembrane cavity 29 enters the discharge. The membrane 4 is raised by the pressure in the nozzle 2, the water flows into the nozzle 3.

; the first distributor 25. The stem 24 is made. The outlet is open until the pump is b

adjustable in length.

The working cavity 26 of the shutdown relay 21 communicates with the outlet nozzle 3 or, via a check valve 27, with the pump 6.

The working cavity 12 of the right chamber of the hydraulic actuator 9 communicates with the nozzles 2 through the distributor 23 and through the distributor 14 of the hydraulic actuator 9 with the nozzle 3.

The working cavity 28 of the switch-on relay 20 communicates with the pump 6 and the nozzle 2 through the distributor 23.

The overmembrane cavity 29 of the valve 4 communicates with the inlet 2 and outlet 3 nozzles through the valve 25.

The outlet works as follows.

35

will not fill the cavity 26 of the relay 21, while filling the cavity 29, the pressure in it rises, the water outlet closes.

The distributor 23, moving, stops the flow of water into the working cavity 12 of the chamber 10. The pump b stops. The outlet is closed until the next cycle.

At the end of irrigation, the water from the channels or pipelines 40 is released from the last outflow, the pressure in the control system drops and the diaphragm of the relay 18 for starting and stopping the hydraulic actuator 9 moves to the leftmost position, switching the distributor 23 so that water from the nozzle 2 during the subsequent water supply at

When water is supplied to the system, it is delivered to the working cavity in relay 18.

and a membrane outlet 29 of the outlet. When this working cavity 12 of the drive 9 of the pump b communicated with the pipe 2. The system is ready for the next cycle of operation.

Claims (2)

1 .. A hydraulic automatic water outlet, including a housing with inlet and outlet nozzles, a valve with a diaphragm actuator 55 and a hydraulic relay for switching on and off, kinematically connected through a slide valve stem and made with diaphragm actuators having the operating time of the pump drive 6 and vice versa. In this way, synchronization of the operation of the outlets is ensured. As soon as the membrane 11 occupy the extreme position, the dispenser 14 is switched. The discharge of water from the working cavity 12 of the left chamber 10 stops and fluid flows from the nozzle 2 into it. A reverse movement of the membrane 11 begins. From the working cavity 12 of the right chamber 10, the liquid is discharged. When the diaphragm 11 of the right chamber 10 of the actuator 9 approaches to the extreme right position, it drives the diaphragm pump 6, the distributor 14 moves to the position shown by solid lines. The volume of fluid is squeezed out through the distributor 25 into the working cavity 28 of the outlet outlet switch 20. The volume of this cavity is regulated by varying the length of the stem 24, its minimum volume is set at the first outlet, which is commissioned first, and the maximum - at the final outlet, which is included last. When triggered by the relay 20, the valve 25 switches the pump b to the supply of working fluid in the working cavity of the relay 21 shutdown, outlets. During this period of time, water from the supramembrane cavity 29 enters the discharge. The membrane 4 is raised by the pressure in the nozzle 2, the water flows into the nozzle 3. Outlet open until pump b  Outlet open until pump b 35 will not fill the cavity 26 of the relay 21, while filling the cavity 29, the pressure in it rises, the water outlet closes. The distributor 23, moving, stops the flow of water into the working cavity 12 of the chamber 10. The pump b stops. The outlet is closed until the next cycle. At the end of irrigation, the water from the channels or pipelines 40 is released from the last outflow, the pressure in the control system drops and the diaphragm of the relay 18 for starting and stopping the hydraulic actuator 9 moves to the leftmost position, switching the distributor 23 so that water from the nozzle 2 during the subsequent water supply at   the network enters the working cavity in relay 18 1 .. A hydraulic automatic water outlet, including a housing with inlet and outlet nozzles, a valve with a diaphragm actuator 55 and a hydraulic relay for switching on and off, kinematically connected through a slide valve stem and made with diaphragm actuators having working cavities communicated through a gold-optic distributor with an outlet nozzle, characterized in that, in order to expand the range of application and improve operation accuracy by eliminating the effect of fluid viscosity on the operation mode, it is equipped with a membrane-type pump, which has a relay membrane type start and stop and hydraulic actuator containing two membrane chambers made with working and driving cavities and kinematically interconnected by means of a slide valve spool valve, while the start and stop relay Asosa through the slide valve stem of the hydraulic chambers of the hydraulic actuator are communicated through a throttle, with the pump hydraulic actuator connected via a non-return valve to the inlet pipe and through the hydraulic distributor of the switching on and off relays and the non-return valve to the outlet pipe, through the hydraulic distributor - with the input and through the distributor of the start and stop relays - with the outlet nozzles. 2. A water outlet according to claim 1, characterized in that the spool valve distributor stem is It is connected with the hydraulic actuator of the switching off switch on and off of the discharge outlet, and the drive cavities are membrane-filled with the possibility of changing its length.