FR2804831A1 - System for spraying plants uses first tubing parallel to ground with parallel branch having vessel where water and fertilizer are mixed before going in the perpendicular branch whose end nozzle is buried in the ground - Google Patents

Abstract

System uses a first tubing (1) parallel to the ground and having a perpendicular branch (7) whose end nozzle (20) is buried in the ground. A parallel branch (8) is mounted on the first tubing and has a vessel (5) where water and fertilizer are mixed before going into the fluid circuit.

Description

<B> DEVICE </ B> FOR <B> DISPERSION OF FLUIDS A </ B> PROXIMITY <B> VEGETABLE ROOTS <BR> The invention relates to a device for the dispersion of fluids under <B> 1 level. </ B> and more particularly water, added or not with substances such as fertilizers, <B> to </ B> immediate proximity of the plant roots.

Irrigation of cultivated areas of greater or lesser importance, accompanied or not by the spread of fertilizers or substances intended to promote the growth of plants, raises many difficulties. <B>. </ B> cultivated are of little importance, for example in the case of a vegetable garden <B> to </ B> individual use, it is possible to be satisfied with not very complex devices. This will allow <B> to <B> <B> watering <B> to </ B> fertilizer distribution manually or possibly using simple devices that connect to a conventional water supply source, for example via a garden hose.

<B> A </ B> conversely, in the case of larger cultivated areas, it will be possible to provide installations implanted <B> at </ B> remain, which will allow, <B> to </ B> from a centralized station, to control and trigger the supply of water and additional substances over the entire <B> to </ B> area.

These installations are expensive and entail high maintenance costs. In addition, their use requires special training. The investment is not always justified with regard to the volumes and surfaces cultivated.

On the other hand, there is no satisfactory solution for the treatment of medium-sized surfaces, either to answer <B> to </ B> purely personal needs, or even for small-scale artisanal operations. To accommodate such surfaces, it is necessary to have mobile facilities that are easy to set up and deposit, to maintain, or to modify. implementation, while preserving low cost of implementation and operation.

The invention proposes to meet this need and to remedy the drawbacks mentioned above by producing a device for the dispersion of fluids below the ground level, comprising means <B> to </ B> both simple and reliable for controlling the amount of concentration of the fluid dispersed underground, with or without the presence of fertilizer, and without requiring a complex and expensive installation.

In object, the invention comprises two tubular elements able to transport fluids <B> to </ B> from a given source, comprising at least one branch connected to a tank designed to receive additive substances and means for controlling the fluid pressure within the circuit.

The invention will be better understood from the following description of a preferred embodiment, and with reference to the accompanying drawings in which: FIG. 1 represents an embodiment of the device according to the invention, FIG. 2 is an enlarged sectional view of the additive receptacle connected to the dispersing device. according to the invention, <B> - </ B> Figure <B> 3 </ B> is a detail view of the end portion of the device intended to be inserted into the ground, and <B> - < FIG. 4 illustrates an alternative embodiment of the end portion shown <B> to <B> 3. </ B>

With reference to the accompanying drawings, and more particularly <B> to </ B>, the <B> 1, </ B> device for the dispersion of fluids below the ground level according to the present invention comprises a first tubular element < B> (1) </ B> substantially parallel to the ground and connected <B> to </ B> the source of water supply, and a second tubular element <B> (7), </ B> said tubular elements being composed or several tubes of circular sections and designed to allow the circulation of fluid.

first tubular element <B> (1) </ B> is connected by one end (2) <B> to </ B> a source of water supply. The connection can be made perfectly by using commercially available parts or components, for example standard connectors <B> to </ B> screws or <B> '</ B> clips.

first valve <B> (3) </ B> is mounted on the first tubular element <B> (1), at </ B> near the end (2) valve <B> (3) </ B> is provided to allow hose connection (4) to the first tubular element <B> (1). </ B>

Preferably, the first tubular element <B> (1) </ B> will be disposed in the plane parallel <B> to </ B> the ground surface.

The free end (4 ') of the hose (4) is intended to be connected <B> to the </ B> bottom of a receptacle <B> (5), </ B> designed to receive additives under powdery or liquid form, such as fertilizers.

The free end of the first tubular element <B> (1) </ B> comprises second valve <B> (6) </ B> allowing the connection of a second tubular element <B> (7) </ B> perpendicular to the first tubular element <B> (1) </ B> and directed to the ground.

A U-shaped parallel <B> (8) </ B> branch is mounted on the first tubular element <B> (1), </ B> between the <B> valve (3) </ B> and the valve <B> (6). </ B>

Two valves <B> (9), </ B> respectively (9 '), are mounted at the ends of the branch <B> (8), at </ B> near the connection points to the first tubular element <B> (1). </ B>

The base <B> (10) </ B> of the branch <B> (8) </ B> is cut in the middle, the free ends of the ducts forming the side branches of the branch being connected <B> to < / B> a cover <B> (Il 1) </ B> associated with the receptacle The dimensions of the flexible pipe (4) are defined in such a way that the receptacle <B> (5) </ B> can be positioned under, and connected to the cover <B> (11 </ B>). Between the bypass <B> (8) </ B> and the end valve <B> (6) </ B> of the first tubular element <B> (1 </ B>) a valve (12) is provided, in order to interrupt the flow of fluid before the valve <B> (6). </ B>

According to a preferred embodiment, the valve 2) is a valve <B> to </ B> piston.

The valve allows the connection to the first tubular element <B> (1) </ B> of a second tubular element <B> (7) </ B> perpendicular and directed towards the ground.

The second tubular element <B> (7) </ B> has an upper tube <B> (T) </ B> positioned above the ground surface and a lower tube <B> (T) </ B > designed to penetrate the ground.

The tube <B> (T) </ B> has <B> to </ B> immediate proximity of the fitting valve <B> (6), </ B> a pressure gauge <B> 3), </ B> to control the pressure of the luide from the first tubular element <B> (1). </ B>

Under the manometer <B> (13), </ B> is provided a valve (14) allowing, if necessary, to interrupt the flow of fluid <B> to </ B> inside the second tubular element <B> (7), </ B> for example if the pressure indicated by the manometer <B> 3) </ B> appears to be too important in relation to the area or the nature of the plants <B> to </ B> treat.

The free end of the tube <B> (T) </ B> has a connector <B> (15) </ B> for connecting the tube <B> (T) </ B> for <B> to < / B> be inserted in the <B> 1. </ B>

According to a preferred embodiment, the tube <B> (T) </ B> will be arranged in the form of a cone so that its free end forms a nozzle (20), facilitating its insertion into the cultivated surface.

The tube <B> (T) </ B> has in its upper part a connecting element <B> (Il S) </ B> corresponding to the connector <B> (Il 5) </ B> mounted <B> at the end of the tube <B> (T). </ B>

In an advantageous embodiment, it will be possible to <B> at </ B> close to the <B> (15 ') </ B> fitting of the tube <B> (T) </ B> of the gripping means < B> (16), </ B> such as handles or fins to facilitate the establishment or release of said tube <B> (T). </ B>

tube nozzle (20) <B> (7) </ B> will have peripheral holes <B> (17) </ B> to allow the passage of fluid into the ground, as shown <B> to </ B> the figure <B> 3. </ B> number, as well as the dimensions and layouts of iphériques <B> (17), </ B> will be defined according to the desired pressure, from surface <B> to </ B> irrigate or plant nature <B> to </ B> treat.

To implement the device according to the invention, it will suffice after mounting the various elements described above, to connect the end (2) first tubular element <B> (1) to </ B> a source of supply and release the fluid.

nozzle (20) of the tube <B> (7) </ B> must first be inserted into <B> 1 </ B> soil, <B> to </ B> the desired location, <B> to < / B> proximity of roots and plants <B> to </ B> treat.

In the simplest case, that is to say, when one seeks only to irrigate an area, it will be sufficient to control the flow and the pressure of the water through the device by means of the valves (12) and (14), and <B> of the manometer <B> (13). </ B>

it is desired to combine the watering with the distribution of active substances such as fertilizers, it will be appropriate, before putting the device into operation, to introduce the desired additive into the receptacle and to connect the latter to the lid <B> (11) . </ B>

By modifying the pressure of the water circulating through the valves and <B> (9 ') </ B> <B> to </ B> inside the derivation <B> (8), </ B> one can control the additive concentration of the fluid injected into the tubing downstream of the valve (12).

Figure 2 is an enlarged view of the additive receptacle <B> (5) </ B> shown <B> to </ B> 1. </ B>

This figure more particularly represents the path of the fluid <B> to </ B> the interior of the receptacle <B> (5). </ B>

The fluid is introduced into the bypass through the inlet valve <B> (9), </ B> under a pressure of the order of four bars, and enters the receptacle <B> (5) </ B> through an inlet port <B> (1 </ B> Oa) provided on the side of the cover <B> (11). </ B>

The inlet pressure of the fluid causes the suspension of additi previously introduced into said receptacle.

A second water supply is provided in the lower receptacle <B> (5), </ B> through the <B> (3) </ B> and the flexible hose (4). The pressure delivered corresponds to that of the network and is of the order of 2 bars. The meeting of opposite currents and different pressures causes a vortex <B> to </ B> inside the receptacle <B> (5), </ B> and facilitates the dissolution or dispersion of the additives in the fluid.

The fluid thus enriched with fertilizers or other substances is then directed towards the tubular device through an outlet orifice <B> (1 </ B> Ob) provided on the side of the lid <B> (11), </ B> in correspondence of the inlet port <B> (1 </ B> at a lower pressure of approximately <B> 30% at </ B> the inlet pressure.

By acting on the valve (12), we modify the pressure <B> to </ B> l> interior receptacle <B> (5) </ B> and we can thus cause the inversion of the vortex, which accelerates the fluid mixture / additives.

Advantageously, the outlet valve (9 ') will comprise at least two positions, making it possible to regulate the pressure at the bypass outlet and thus to control the fertilizer dosage of the fluid injected into the circuit. According to a preferred embodiment, there will be a filter <B> (25) </ B> on the bottom of the receptacle <B> (5) <B> to </ B> cover the orifice of connecting the end (4) of the flexible pipe (4), in order to prevent the particles of suspended additive from closing off said pipe while falling back.

The filter <B> (25) </ B> may for example be made of a metal fabric.

Advantageously, cover <B> (11) </ B> will comprise in its upper part an idange orifice (21) to facilitate the maintenance of the receptacle <B> (5). </ B>

FIG. 4 is a detail view of an alternative embodiment of the end portion of the second tubular element <B> (7). </ B>

Advantageously, the end element will have the shape of a fork having a plurality of teeth having terminal orifices.

This variant is more particularly intended for the treatment of small plants and plants closely planted, such as vegetables.

The fork can be telescopic and thus allow adjustment in length as needed.

Similarly, the extremity element <B> (T) </ B> can be adapted in size or configuration depending on the parameters of the zone <B> to </ B> to process. <B> It </ B> will be sufficient to uncouple the end element from the rest of the device via the <B> connector (15). </ B>

The above description makes it possible to appreciate the simplicity of the device according to the invention.

Indeed, the device has only a limited number of component elements, easy to assemble and to set up. Similarly, disassembly of these elements, for example to ensure maintenance or replacement, does not pose any particular difficulty.

The device according to the invention also allows accurate dosing and fast additives, and thus a control more fair of the amount of water used. tests have shown that it is possible to save up to <50% </ B> of water in hot weather.

The enriched fluid is injected <B> close to the roots of plants, and thus avoids the formation of crusts on the surface, as is the case with conventional watering or dispersion devices, while providing that amount of fertilizer that is strictly necessary.

using flexible connecting means, for example a garden hose, to bring the water back to the end portion of the first tubular element <B> (1), </ B> it will be easy to move the device in any point from the surface <B> to </ B> to process.

The use of the device is also compatible with standard pressures provided by the water supply networks, without the need to provide auxiliary devices such as balloon compressors.

Finally, the use of the device does not require any particular technical competence. <B> It </ B> will suffice in practice <B> to </ B> the user to control pressure in and, if <B> y < / B> takes place, the concentration of additives.

The invention is not limited to the embodiment given above <B> to </ B> by way of non-limiting example.

In particular, the shape and the dimensions of the end element intended to be inserted into the ground will be able to vary or be adapted according to the needs, without leaving the frame of the invention.

Claims (1)

<B> CLAIMS </ B> <B> 1. </ B> Device for the dispersion of fluids <B> to </ B> near plant roots, comprising a first tubular element <B> (1) </ B> in the plane parallel to the ground and connected <B> to </ B> the source of water supply and a second tubular element <B> (7) </ B> perpendicular to the ground, characterized in that <B> (8) </ B> in the form of <B> U </ B> is connected in parallel with the first tubular element <B> (1), </ B> between a first <B> valve ( 3) </ B> and a second valve <B> (6) </ B> connected to the second tubular element <B> (7), the base <B> 0) </ B> of said bypass being cut in the middle and the free ends of the ducts forming the lateral branches of the branch being connected <B> to </ B> a cover <B> (11) </ B> associated <B> to </ B> a receptacle <B> (5). </ B> 2. Device according to claim 1, characterized in that said hose (4) connected between the first valve (B) (3). on the premie r element <B> (1) </ B> and the lower part of the receptacle <B> (5). </ B> <B> 3. </ B> The device according to claim 2, characterized in that filter <B> (25) </ B> is placed on the bottom of the receptacle <B> (5), </ B> above the connection port of the flexible pipe (4) 4. Device according to one of the preceding claims, characterized in that the cover <B> (11) </ B> has in its upper part a drain hole <B> </ B> of the receptacle <B> (5). </ B> <B> 5. </ B> Device according to one of the preceding claims, characterized in that an inlet valve <B> (9) </ B> and an outlet valve (9 ') are mounted <B> at </ B> the end of the derivation <B> (8), at </ B> proximity of the connection points to the first tubular element <B> (1). </ B> <B> 6. </ B> Device according to claim <B> 5, </ B> characterized in that the outlet valve (9 ') comprises at least two positions for regulating the pressure at the outlet of bypass. <B> 7. </ B> Device according to one of the preceding claims, characterized in that a valve (12) is mounted between the bypass <B> (8) </ B> and the valve <B> ( 6) </ B> on the first tubular element <B> (1). </ B> <B> 8. </ B> Device according to claim 7, characterized in that tap ( 12) is a valve <B> to </ B> piston. <B> 9. </ B> Device according to one of the preceding claims, characterized in that the second tubular element <B> (7) </ B> comprises an upper tube <B> (T) </ B> positioned above the ground surface and a lower tube <B> (7) </ B> whose free end forms a nozzle (20) having ipherical ports <B> (17) </ B> for the passage of the fluid in the ground. <B> 0. </ B> Device according to claim 9, characterized in that the tube <B> (T) </ B> comprises a manometer <B> (13) to </ B> > immediate proximity of the valve <B> (6), </ B> to control the fluid pressure from the first tubular element <B> (1) </ B> a valve (14) mounted under the pressure gauge <B> (13) </ B> to interrupt the flow of fluid <B> to </ B> inside the second tubular element <B> (7). </ B> <b> 1. </ B> Next device the claim <B> 9, </ B> characterized in that gripping means <B> (16) </ B> are provided <B> to </ B> immediate close fitting <B> (Il S) </ B> binding the tube <B> (T) </ B> to the tube <B> (T). </ B> <B>. </ B> Device according to one of the claims <B> 1 to 8, </ B> characterized in that the second tubular element <B> (7) </ B> comprises an upper tube <B> (T) </ B> positioned above the surface of the ground and a lower tube < B> (T) </ B> whose free end form fork comprising a plurality of teeth having orific terminals.