Water distributor

FIELD: agriculture.

SUBSTANCE: invention relates to agriculture, and is intended for the use in water distribution in pressure irrigation systems. The water distributor comprises a distributing housing which is successively switched relative to the smooth surface of the housing, and which by a sealing device is adjacent to the mating surface of the housing. For water distribution the displacing means and the sealing device at the areas of movement with the stepwise movement promote the removal of the distributing housing from the mating surface of the housing.

EFFECT: invention is aimed at the reduction of wear in the area of the sealing device and the mating surface of the housing of the water distributor.

16 cl, 5 dwg

 

The invention relates to a water dispenser.

For a controlled on-time service several garden irrigation devices, such as devices of the rectangular or circular spray irrigation, drip or root irrigation, or similar known programmable computers of irrigation in combination with water dispensers. The water dispenser is connected through the entry of water withdrawal of water of the irrigation computer and on the other hand has multiple outputs with respectively one output of water. The distributor housing is rotatably mounted in the housing of the water dispenser and, depending on the angular position, connects one of the outputs of water to a common input of receipts, respectively, the other outputs, by contrast, is blocked. The serial switching device for a hydraulic signal cycle computer of irrigation distribution switches corps further to the next exit. Further, the switching signal from the irrigation computer contains information about the pressure change in total input input, in particular for temporary disconnection of water inflow to the irrigation computer. Step switch in a typical performance includes a spindle with a spiral guide surface is movable in the direction of the axis of the helix, depending on the pressure �odes, meet the return spring of the piston, which captures when you rotate the spindle around the axis of the distributor housing, and the freewheel mechanism. The principle of operation of such known dispensers water generally known.

Distribution enclosure may contain, for example, a disk-shaped sealing plate perpendicular to the axis of rotation of the movable plane, which during the process of irrigation water head pressed into the distributor in the direction of the axis to a mating surface of the housing around the outlets of the water and through a sealing device sealing between the plate and mating surface until appointed to present to the irrigation supply water closes all other outlets.

A further switch of the distributor housing after disconnecting the water supply takes place under decreasing with continued angular rotation of the water pressure. The friction between the sealing device and into contact with him sealing surface, the movement of the sealing device to the edges of the sealing surfaces and the dirt between the sealing plate and the adjacent surface of the housing can lead to severe movement for further switching and to wear, for example, also in the form of scratches and leaks in the seal device.

From US patent descriptions 3 924 A, US 3 022 642 A and US4 125 124 A known water distributor, which is attached to the switch housing step switch through rocker control switches between its discrete positions. Thus appropriately so organized rocker control that the step switch in the sequence of certain provisions enable moves along parallel to the axis of rotation of the guide in the transition position to the next, respectively, once back, and forward again. The axis of rotation of the device serial switching is thus relatively compacted distribution housing surface of the housing perpendicular, so that is rigidly connected to the serial device switching distribution housing during separate stages moving from the surface of the body and back to her. Since the position of the distributor body relative to the device serial switching fixed, applied with rocker control must be performed in such a way that its stable position in a separate working angular positions relative to its axial position is always identical. This is the only way to ensure flawless in all positions of the seal exits.

The basis of the invention the task is to reduce the aforementioned disadvantages of PR� this water dispenser.

The invention described in claim 1 of the claims. The dependent claims contain preferred designs and development of an invention.

The shift of the distribution of the housing along the axis from a mating surface reduces friction preferred way during the distribution of angular rotation body around the axis of rotation during further switching the friction between the seal device and pivoted about him sealing surface. Preferably at the site turning movements, with a further switch, sealed surface and is pivoted relative to the seal device will be fully axially separated from each other.

Means for moving causing axial shift of the distribution of the housing relative to the mating surface in the housing, in the first performance to lie radially within the circle, which concerns a seal device, distributed around the axis of rotation.

In a preferred execution of the means for moving may lie within the field relevant to the sealing device. The funds move, preferably to the seal device, which is typically made of soft, having the elasticity of rubber material, motionless. Preferably, the means for moving the device o�deposits are located in a control housing, rotating relative to the housing. This mover can interact, in particular, the mating surface in the housing for relative shift along the axis. Means for moving have a beveled surface, preferably in the direction of the relative movement at the further switching as hits.

Axial shift of the distribution of the housing friction and decreases in the complete withdrawal of the device seals against the sealing surfaces are greatly reduced. In addition, in the complete dissipation of the device seals against the sealing surfaces there is an effect of cleaning the surfaces of contact of the device seals and sealing surfaces, each of the inner volume water dispenser water with a reduced pressure flows into the outputs, so that the dirt between the surfaces of contact, wash off and wear is reduced.

The invention is further described by means of preferred examples of implementation with reference to the drawings.

It shows:

Fig.1 - section water dispenser.

Fig.2 - distribution case.

Fig.3 - interacting with control housing part of the housing of the distributor.

Fig.4 - distribution case and part of the distributor housing Assembly.

Fig.5 - the upbeat premeiotic�th position of the distributor housing.

Fig.1 shows a perspective view of a water dispenser with a cross section of the housing GE in the middle. The water dispenser is on the output side four separately controllable water outlet, of which Fig.1 shows the water exits A1, A2, A3 and A6. Common to all of the water exits the water inlet to the water dispenser of Fig.1, not shown, and may, for example, be located on the return for the observer of Fig.1 the side of the case. In the flow direction between the unrepresented water inlet and several outlets is water-conducting internal volume WR water dispenser.

Outputs of water are in the form of channels in the bottom of the hull GU. The bottom shell forms around the channel inputs outputs water sealed surface DF, which is located essentially perpendicular to the axis of rotation DA. Distribution case VK is rotated around the axis DA of rotation in several discrete operating positions. The number of discrete operating positions correspond, as a rule, the number of outputs of water. In each position one of several outputs are connected via the water stream with the water-conducting internal volume of WR, the other outputs of water, on the contrary, closed distribution housing VK.

Distribution housing for selective connection of single water outlet with water-conducting internal volume WR has multiple segments, distributed�'s around the axis DA of rotation at equal angular distances, one of which the segment forms the recess AU, which is located in the appropriate position for the currently selected output water. Other segments contain on the lower surface of the distributor housing, located along the axis opposite the sealing surface, the device DS seal, which can be, in particular, to a segment of an annular seal, preferably a material having rubber elasticity.

In shown in Fig.1 position the rotary axis DA of rotation of the distributor housing recess AU is located above the output A3 of the water so that the water from the inlet water dispenser can flow through the internal volume of WR to the output A3 of the water and attached to the irrigation device. Distribution case VK is rotated by means of a step switch after the process of irrigation in the selected water outlet one-step switch in the arrow direction SR around the axis of rotation to another discrete position to conduct a new irrigation through another water outlet.

Step switch can operate on the known principle of sliding at a high water pressure in the internal volume of WR towards the return spring along the RF axis of rotation DA from the junction of the housing of the piston KO and rigidly connected with him steadily�of rotation and movable along the axis of the spindle with spiral WE and mechanism of free running FS. Thus the following rotation around the axis of rotation occurs when reducing water pressure in the internal volume of WR that starts previously connected a computer to the overlapping irrigation water supply outside water dispenser. When the pressure in the internal volume of the WR KO piston with return spring RF returns shown in Fig.1 initial axial position while using the spiral and locked the freewheel mechanism is rotated in the direction of the SR cycle. The principle of such a hydraulic switching of the distributor to the new exit is applicable in different variants and therefore here not further explained. The details shown in Fig.1 speed switch for the sense of the invention further do not matter.

Fig.2 shows a preferred execution of the distributor housing VK for such a water dispenser. Distribution case VK has a disk-shaped sealing plate DT, the plane of the disk which is perpendicular to the axis DA of rotation. From the sealing plate DT in the direction of the axis of rotation of leave provided for connecting the rack KD, whereby the distributor housing can be connected without the possibility of rotation, but axially movable with the piston KO speed�about the switch. Connective KD rack are located in the view of Fig.1 within the piston KO. Connective KD rack by engagement in a complementary counter structures piston KO realize transmission of rotation on the distributor housing VK turning the piston around KO axis DA of rotation. May be provided for imparting rotation to another structural detail of a step switch.

On the bottom, facing in the axial direction from the connecting struts KD the surface of the sealing plate DT is the seal device with five annular seals which are respectively equal angular segments around the axis DA of rotation. Scallop AU made the following angular segment of the sealing plate DT, as shown in Fig.1 and explained.

The distributor housing with sealing plate DT and connecting struts KD preferably made by casting under pressure of the body. Preferably usually consists of having the elasticity of rubber dense material of the seal device manufactured using two-component injection molding along with a hard plastic junction enclosure.

On the lower surface of the sealing plate DT-form protruding along the axis and out along the axis beyond the device DS seal with�exousia protrusions VN. At least two, preferably three offset ledge VN are located in the circular direction is uniformly distributed around the axis DA of rotation. In the preferred embodiment the bias protrusions VN is located within an annular seal device of the seal.

Fig.3 shows in a perspective view obliquely from above of the lower part of the GU body water dispenser with views of the sealing surface DF the lower part, which contains several outlets, from where you can see A1 and A3 to A6. Water outlet A2 is closed surrounding the axis of rotation of the column SZ corps.

Outputs of water are described in the original example from the sealing surface DF is essentially parallel to the axis of rotation DA down and form openings in the sealing surface DF. To exit A4 water flange such holes denoted by AK, which, as described for Fig.2 biased protrusions, interacts with the angular turning of the distributor housing with a body portion.

Fig.4 shows an intermediate position during installation distribution enclosure VK on the lower part of the GU body. The sealing plate Annularly surrounds the column SZ the bottom of the housing and centered relatively to the axis of rotation DA. Trimming in discrete operating position located above one of the exits water dredging AU sealing the�trees occurs during further Assembly with the connection of the connecting struts KD with mating structures of the piston.

Fig.5 shows a fragment of similar to Fig.1 is a perspective view obliquely from the bottom of the dispenser section, and in the view of Fig.5 the sealing plate is in an intermediate step position of the step switch around the axis of rotation between two discrete operating positions. The direction of rotation of the SR at step switching of the arrow on the switch body. In this intermediate position the distributor housing is given to bias the protrusions VN-axis from the sealing surfaces DF, with a small gap SP remains between the device DS seals and sealing surface. Biased protrusions VN move along the sealing surfaces between two adjacent in the circular direction outputs. From lifting device DS seal over the sealing surface DF, first, the friction device of the seal with the sealing surface during the step of switching is reduced, and in one area of the traffic disappears, and secondly, through the gap SP between the seals and sealing surface of the lower shell can pass water and to wash away particles of dirt. A further switch may occur incrementally over one or several angular positions.

If distribution case takes one of the discrete operating positions, displacing the tabs VN example, be in the outlet exits the water for example in Fig.1 at the output of A6. Biased protrusions VN are the preferred way in the direction of the sequential shift SR beveled leading surface SF, which form as approach the edge AK of the holes of the respective outputs when you start moving sequential shift, and upon further displacement of the disperse distribution of the housing along the axis from the bottom of the GU body. The shift of the distribution of the housing from the lower housing can only occur against gravity distribution housing. On Fig presents.5 an intermediate position biased protrusions are located on the sealing surfaces between adjacent outputs of the water and flops in series are included the direction of the SR. In this case, the bearing surface between the bias protrusions VN and minor sealing surface and sliding on each other contact surfaces can be withdrawn with little friction.

Upon reaching the next discrete operating position in series the direction of movement of the sealing plate falls again with a seal device for sealing the surface and at the next irrigation sealing plate with increased strength at elevated water pressure, then current in the internal volume of WR, the pressure on the sealing surface and sredstv�e this effectively seals the irrelevant outputs.

Above and in the claims, as well as taken from the drawings, the indicia preferably implemented separately or in various combinations. The invention is not limited to the described examples of manufacturing and different way, is variable within a professional capacity.

1. Water dispenser that contains multiple outputs (A1 to A6) and the distributor housing (VK, DT), which rotates relative to the housing (GE) around the axis (DA) of rotation and centered by means of a step switch step by step working in discrete angular positions respectively on one of the multiple outputs, which respectively overlaps not the currently selected outputs from water-conducting internal volume (WR), which between distribution housing (VK, DT) and the surrounding surface of the housing (DF) restricting outputs, provided by the device (DS) seal as a mating surface, moreover, the distribution housing (VK, DT) is located opposite the mating surface, essentially axially relative to the axis (DA) of rotation and discrete working positions receives the first relative axial position to the mating surface and being provided for displacing means (VN), which plots the displacement speed when switching between successive slave�chimi corner the provisions removed the distributor housing to the second relative axial position with great relative to the first relative position of clearance to the mating surface,
characterized in that
a distribution housing (VK, DT) is connected without the possibility of rotation, but axially movably with the step switch,
bias means (VN) and a device (DS) seal located in pivoting relative to the housing distribution housing(VK, DT) so that the bias means (VN) interact with the mating surface in the housing for relative axial movement.

2. The water dispenser according to claim 1, characterized in that the displacing means (VN) are radially arranged separately with a field device (DS) seal.

3. The water dispenser according to claim 1, characterized in that the displacing means (VN) arranged radially in the area of exits.

4. The water dispenser according to one of claims. 1-3, characterized in that the displacing means (VN) contain the axial projections on the switch housing (DT).

5. The water dispenser according to claim 3, characterized in that the discrete positions of the protrusions (VN) is sent to the outputs.

6. The water dispenser according to claim 4, characterized in that the discrete positions of the protrusions (VN) is sent to the outputs.

7. The water dispenser according to claim 5, characterized in that the protrusions (VN, SF) with stepwise movement adjacent to edges (AK) openings outputs and glide through them.

8. The water dispenser according to claim 6, characterized in that the protrusions (VN, SF) with stepwise motion�research Institute adjacent to the edges (AK) openings outputs and glide through them.

9. The water dispenser according to claim 1, characterized in that the device (DS) of the seal is located on the switch housing (DT).

10. The water dispenser according to claim 9, characterized in that the device (DS) of the seal and the distributor housing (VK, DT) is formed as a single structural parts by the method of two-component injection molding.

11. The water dispenser according to claim 1, characterized in that the displacing means (VN) lead to a complete discharge device (DS) of the seal against the mating surface (DF).

12. The water dispenser according to claim 2, characterized in that the displacing means (VN) lead to a complete discharge device (DS) of the seal against the mating surface (DF).

13. The water dispenser according to claim 3, characterized in that the displacing means (VN) lead to a complete discharge device (DS) of the seal against the mating surface (DF).

14. The water dispenser according to claim 4, characterized in that the displacing means (VN) lead to a complete discharge device (DS) of the seal against the mating surface (DF).

15. The water dispenser according to claim 1, characterized in that the displacing means (VN) contain several maps in a circular direction uniformly distributed partial structures.

16. The water dispenser according to claim 1, characterized in that the distributor body comprises a disk-shaped sealing Tarek�, which lies essentially in a plane perpendicular to the axis of rotation.



 

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3 dwg

FIELD: agriculture.

SUBSTANCE: device of automatic control of mist-generating plant relates to gardening, namely to vegetative propagation of horticultural crops by the method of herbaceous cuttings. The device comprises operating mode switches on the number of units of mist-generating plant, a commutation switch to connect the power source to the units of mist-generating plant and cyclical timing relay that determines the duration of the presence or absence of each unit power. The cyclical timing relay consists of a microcontroller, a real-time clock, a memory module, two encoders, control buttons and an alphanumeric LCD display.

EFFECT: device of automatic control of mist-generating plant provides optimisation of watering mode by an independent set of time of watering and the time of pause separately for several intervals within the day, such as morning, day, evening and night.

1 dwg

FIELD: agriculture.

SUBSTANCE: the device comprises a system of injection wells, output wells and water distribution network with wells and surge units for aerosol moisturing. The injection wells contain gas-vapour or electric generators installed along the outer frame and inside the aquifer. The output wells contain pumps. The water distribution network with wells and surge units for aerosol moisturing is installed on the irrigated plot of the field. The gas-vapour generator contains a combustion chamber. The combustion chamber has a lid on one of its sides with an inlet valve to feed pressurized air from the piston compressor. Another side of the combustion chamber is fitted with outlet from extracting burned gas, combined nozzles for injecting the mixture of fuel thermal breakdown products and conductive fluid. The combined nozzles are installed on the combustion chamber wall in series one after another. The burner nozzles are installed adjacent to combined nozzles, they are used for injecting hot products of thermal breakdown of conducting fluid and products of burning the gaseous fuel-air mixture. The burner nozzle is connected with the piston valve mechanism. The piston valve mechanism contains a cylinder with a piston and a spring. The cylinder is fitted with a duct feeding pressurized air from the receiver. The receiver has a back flow valve and ducts fitted water-injecting nozzles. The ducts are connected with the cylindrical part of the valve mechanism. The cylindrical part of the valve mechanism has a blow valve for releasing the gas-vapour mixture into the atmosphere and a flange for fixation on the casting pipe of the injection well. The injection well is connected with the tubing string. The surge unit contains a receiving chamber. The receiving chamber has a back flow valve with water pressure. The receiving chamber is connected with the mixing chamber. The mixing chamber is fitted with a nozzle, and the surge unit is installed on a pillar. The pillar is connected inside the well to the water distribution network. The water network has a hinge connection to change the inclination angle of the bore, a jointed support used to rotate it the bore on the platform and a combustion chamber with expanding nozzle. The burner nozzles have a frame with hoses for conductive fluid feeding. The hoses are connected with cylindrical ducts. The cylindrical ducts are located inside the frame in the insulated layer. The electrodes are installed on one side of the cylindrical ducts. The electrodes are connected to the surge generator. Nozzles are installed on another end of cylindrical ducts. The nozzles are installed at an angle in relation to each other and are connected to the spraying nozzle blasting chamber. The spraying nozzle has a bottom with gas stream outlets.

EFFECT: the construction ensures high production yield of crops.

3 cl, 14 dwg

FIELD: irrigation systems used for automatic watering of plants on restricted area plots.

SUBSTANCE: apparatus has accumulating vessel with bottom opening closed with valve, auxiliary vessel, two float valves, one of float valves being adapted for supplying of water into accumulating vessel and other float valve being adapted for cutting-off water supply. Valve floats are arranged in auxiliary vessel disposed below accumulating vessel bottom and connected by means of flexible pipes with hermetically sealed vessels provided with porous bottoms deepened into soil. When water is sucked through porous bottoms into soil, water level in auxiliary vessel is lowered and float valves are opened, with water being delivered into accumulating vessel through one of float valves. When predetermined water level is reached, valve for discharge opening is opened, water is supplied into low-pressure irrigation system and is further delivered through second float valve into auxiliary vessel. As a result, water level in auxiliary vessel is increased to cut-off water supply into accumulating vessel.

EFFECT: increased efficiency and simplified construction.

2 dwg

FIELD: agricultural engineering, in particular, system for automatic protection and controlling of self-propelled multi-tower sprinkling machines.

SUBSTANCE: hydraulic system has locking device equipped with hydraulic drive and positioned at entrance end of machine, controllable hydraulic relay connected to control pipe extending through each tower and connected to hydraulic relay control unit and through narrowing device to pressure pipeline, return valve, normally open locking valves and actuating devices with tower position sensors disposed on rods which are fixed on housing bars of synchronization mechanism for intermediate supporting carts, hydraulically controlled valve mounted in feeding line of hydraulic drive for terminating cart and hydraulically communicated with control pipe. Actuating devices are connected through inlet pipe unions with control pipe via normally open locking valve by means of T-pipe, and through outlet pipe union with atmosphere. Tower position sensors are formed from plates made of fluorinated plastic material and equipped with slot widening at its ends. Plates are fixed on rods of synchronization mechanism by means of bolt connection so that said plates are movable axially of rod. Silicone pipe positioned within slot is joined with inlet and outlet pipe unions rigidly fixed within housing of synchronization mechanism for intermediate towers. Hydraulic communication between narrowing device and pressure pipeline is provided through return valve.

EFFECT: simplified construction and enhanced reliability in operation.

4 dwg

FIELD: agriculture, in particular, irrigation systems, more particular, controlling of water flows supplied into upstream of open irrigation system.

SUBSTANCE: apparatus has upper, lower and minimum level sensors made in the form of hermetic contacts mounted on floats, in upstream water-intake construction, within hollow sleeves cooperating with magnets immovably fixed on sleeves. Hermetic contact of upper level sensor is connected to power unit through time delay relay, receiving-transmitting unit connected to unit for controlling of electric engine of downstream pump-and-power unit, control unit for main electric hydraulic relay and in parallel with end switch mounted on hydraulic drive of locking apparatus engageable with stop positioned on hydraulic drive stem in upper position of pump. Hermetic contact of lower level sensor is connected to power unit through time delay relay, receiving-transmitting unit, unit for controlling electric engine of downstream pump-and-power unit, control unit of additional electric hydraulic relay and in parallel with second end switch also mounted on hydraulic drive of locking apparatus and engageable with said stop in lower position of pump. Hermetic contact of minimum level sensor is connected to power unit and unit for controlling electric engine of upstream pump-and-power unit.

EFFECT: increased efficiency by providing automatic controlling of water flow rate supplied to upstream of open irrigation system.

1 dwg

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