KR101023987B1 - Sprinkler system, method for producing the sprinkler system, affusion, method for producing the affusion, and method for cooling by fine brume - Google Patents

Abstract

The sprinkling body 1 includes a plurality of sprinkling balls 10, the sprinkling balls 10 are composed of neighboring sprinkling balls 10A.10B, and the neighboring sprinkling balls 10A.10B are connected to the water pressure P. The center line LA.LB is formed to intersect with the water side. Therefore, a method for producing a watering tube and a watering tube having a watering hole which enables uniform watering to a wider area and ensures proper watering strength at a position near the watering tube at a low watering height. Can provide.

Sprinkler, Sprinkler, Irrigation Tube

Description

Sprinkler system, method for producing the sprinkler system, affusion, method for producing the affusion, and method for cooling by fine brume}

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a cross-sectional view showing the principle that water escaped from the water hole of the water spray body of Embodiment 1 of the present invention collides to promote the miniaturization of water droplets according to water pressure, and to weaken the water pressure of the emergency water flow.

FIG. 2 is a cross-sectional view illustrating the shape of the sprinkler viewed from various directions and the position where the centerline of the neighboring sprinkler of FIG. 1 intersects;

Fig. 3 is a sectional view schematically showing the constitution of the irrigation tube of Embodiment 2 of the present invention in which the sprinkling holes 10A. 10B are formed in the tube in a planar state such that its center line intersects on the sprinkling side.

Figure 4 (a) and Figure 4 (b) schematically shows the configuration of the watering tube of Embodiment 2 of the present invention, Figure 4 (a) is formed with a watering hole adjacent to parallel to the longitudinal direction of the watering tube It is a perspective view which shows schematic structure at the time of watering of a watering tube, and FIG.4 (b) is sectional drawing seen from the AA 'line which shows the state of the watering hole at the time of watering of the watering tube of FIG.4 (a).

5 (a) and 5 (b) schematically show the configuration of the watering tube of Embodiment 2 of the present invention, and FIG. 5 (a) shows that the adjacent watering holes are parallel to the tube cross-sectional direction of the watering tube. Fig. 5 (b) is a sectional view seen from the line B-B 'showing the state of the watering hole at the time of watering of the watering tube of Fig. 5 (a). .

6 (a) to 6 (c) are cross-sectional views schematically showing the configuration of the watering tube and the conventional watering tube of Embodiment 2 of the present invention, and FIG. 6 (a) has an X-drilled water hole. 6 is a cross-sectional view showing a watering tube of an embodiment of the present invention, Figure 6 (b) is a cross-sectional view showing a conventional watering tube having a diagonally perforated watering hole, Figure 6 (c) is a vertically perforated watering Sectional drawing of a conventional irrigation tube having a ball.

Fig. 7 is a perspective view showing the dispersion state of the emergency water near the sprinkler of the conventional watering tube shown in Fig. 6 (b).

Fig. 8 is a perspective view showing a dispersion state of emergency water in the vicinity of the sprinkling hole of the watering tube of Embodiment 2 of the present invention shown in Fig. 6 (a).

9 (a) to 9 (c) are diagrams showing the difference between the watering patterns of the watering tube of the second embodiment of the present invention and the conventional watering tube, and FIG. 9 (a) is shown in FIG. 6 (a). Fig. 9 (b) shows the relationship between the watering distance and the watering distance of the X-drilled sprinkler of Fig. 6 (b). Fig. 9 (c) is a diagram showing the relationship between the irrigation intensity and the watering distance of the vertically perforated sprinkler of Fig. 6 (c).

10 (a) to 10 (c) are graphs showing the difference in the watering distribution of the irrigation tube and the conventional irrigation tube of Embodiment 2 of the present invention, and FIG. Fig. 10 (b) shows the relationship between the watering distance and the watering distance of the diagonally drilled watering hole of Fig. 6 (b). Fig. 10 (c) is a graph showing the relationship between the irrigation intensity and the watering distance of the vertically perforated sprinkler of Fig. 6 (c).

11 (a) to 11 (c) are planar distribution diagrams showing the difference between the watering distributions of the watering tube and the conventional watering tube of Embodiment 2 of the present invention, and FIG. FIG. 11 (b) is a distribution diagram showing the sprinkling area of the diagonally punched sprinkler of FIG. 6 (b), and FIG. 11 (c). ) Is a distribution diagram showing the sprinkling area of the non-water of the vertically punched sprinkler of FIG.

12 is a sectional view of a watering tube for explaining the position of the watering hole.

13 (a) and 13 (b) show a watering tube of Embodiment 3 made by combining and arranging an X-drilled sprinkler and an obliquely-drilled sprinkler, and FIG. 13 (a) shows a perspective view. Fig. 13B is a sectional view seen from the line C-C '.

14 (a) to 14 (c) are graphs showing the water distribution of the irrigation tube shown in FIGS. 13 (a) and 13 (b), and FIG. 14 (a) shows an X-drilled water hole. Fig. 14 (b) is a diagram showing an individual sprinkling distribution according to an obliquely punched sprinkling hole, and Fig. 14 (c) is a view showing a composite of individual sprinkling distributions for each sprinkler. A diagram showing the distribution of watering of the receiving tube.

Fig. 15 (a) and Fig. 15 (b) are distribution diagrams in a planar state showing the sprinkling distribution of each sprinkler of the watering tube shown in Figs. 13 (a) and 13 (b). Is a distribution chart showing the individual watering distribution according to the X punched sprinkler, Figure 15 (b) is a distribution chart showing the individual watering distribution according to the diagonally punched sprinkler.

Fig. 16 is a schematic diagram illustrating a watering state in a vinyl house of the watering tube shown in Figs. 13A and 13B.

17 (a) and 17 (b) schematically show the configuration of a watering tube in a state in which water passes inside the used in the fourth embodiment, and FIG. 17 (a) is a perspective view, and FIG. 17 ( b) is sectional drawing seen from the D-D 'line | wire of (a).

Figure 18 is a schematic diagram illustrating a method for performing a tax cooling of the plastic house using the watering tube of the present invention.

19 (a) and 19 (b) are diagrams illustrating the method of Embodiment 4 for local irrigation through the irrigation tube of the present invention, and FIG. 19 (a) is a front view of a state in which the irrigation tube is installed in the culture medium. Figure 19 (b) is a side view showing a state in which a watering tube is placed in the culture medium.

20 (a) and 20 (b) are diagrams illustrating a conventional method of local irrigation through drip water, and FIG. 20 (a) is a front view of a state in which a watering tube is placed in a culture medium. 20 (b) is a view showing a side view of a state in which a watering tube is placed in a culture medium.

Fig. 21 is a schematic diagram showing a watering state in a plastic house of a conventional watering tube.

22 (a) and 22 (b) are schematic diagrams showing a watering state in a plastic house of a conventional watering hole vertically perforated, and FIG. 22 (a) shows watering to sufficiently perform watering near the watering tube. Is a view showing a state of contacting the ceiling of a vinyl house, and FIG. 22 (b) is a view showing a state in which an unkilled area is generated when water is sprayed so as not to contact the ceiling of a vinyl house.

Fig. 23 is a schematic diagram showing the watering state in a plastic house provided with cold cooling sand.

Fig. 24 is a schematic view showing a watering tube attached to a wall of a plastic house by a watering tube having a vertically drilled conventional watering hole.

25 is a cross-sectional view of a conventional watering tube for changing the emergency direction in the radial direction of water according to the water pressure through the inclined surface of the watering hole of the watering tube.

Fig. 26 is a table showing the hole diameters of the sprinkler tubes and the positions of the irrigation tubes of the watering tube of Embodiment 3 formed by combining the X-drilled sprinkler and the diagonally-drilled sprinkler.

Fig. 27 is a table showing the results obtained regarding the effect of spraying water using a watering tube on the room temperature and temperature in the vinyl house through the tax cooling test of Embodiment 4;

The present invention is used as a nozzle for sprinkling, a method for producing a water spray, a water spray body, used in watering operations or tax cooling in cultivation of soft vegetables, seedlings, such as tap water, etc. A method for producing a watering tube and a tax cooling method.

In the field of agricultural horticulture, cultivation of soft vegetables, seedlings, and the like is carried out in so-called plastic houses. Daily watering is indispensable for the cultivation of soft vegetables and seedlings.

However, in the watering operation, a method of performing watering while attaching a spraying hole or the like in which shower-type water is obtained at the tip of the hose and moving in the house is common. This irrigation usually starts around March when the temperature rises, especially during the summer months of July to the end of September. The temperature in the house in summer is over 40 degrees, which is one of the big burdens for farming.

In recent years, an irrigation tube (for example, "Sumisansui R House" of Co., Ltd.) has been developed for the purpose of energy saving of such work. This watering tube 170 is installed in the center of the vinyl house 171, for example, as shown in Figure 21, and has the same watering hole as before, it is necessary for a short time without moving in the plastic house 171 It is made to perform watering.

In the watering tube 170 described above, a method of combining the diameter of the sprinkler and the elevation of the sprinkler was introduced to increase the uniformity of the irrigation.

Here, when forming the sprinkling hole in the conventional watering tube 170, a method of forming the sprinkling hole through the punch, drilling needle or laser light irradiation from the vertical direction with respect to the flat sheet of raw material has been taken. Hereinafter, this drilling method is called vertical drilling.

In the sprinkling hole formed as described above, the water rises in a direction perpendicular to the in-line interview line of the tubular watering tube 170 by the hydraulic pressure, that is, in the tubular tube in the radial direction.

Such spraying water of the spraying water is sprayed from the spraying water and is maintained as a rod-shaped spraying water for a while, but fine droplets gradually begin to separate due to air resistance, and the droplets are rapidly dispersed at some point. It begins.

However, the above-mentioned conventional watering tube has the following watering height problem and watering intensity peak problem.

That is, due to the problem of watering height, in the prior art, a watering hole is installed at a high elevation position for watering near the watering tube, and the watering tube is sprayed at a height of, for example, about 3m. In many cases, a method of dropping droplets in the vicinity was used. This is because, after the spraying water sprayed from the watering hole of the conventional watering tube is sprayed as described above, the spraying water is maintained for a while, and then a minute droplet starts to be separated by air resistance gradually. Because it has the property of starting to disperse, it needs to swell up until the rod-like water stream is dispersed.

This technique allows watering near the watering tube, but the height to the ceiling of the vinyl house 171 is not sufficient, as shown in Figs. 22 (a) and 22 (b), or Fig. 23. As shown in FIG. 1, the cold-cold yarn 172, that is, when installing a thin cloth, cannot be pumped up to a height that requires watering so as to suppress the temperature inside the plastic house 171. There was a problem that sufficient watering could not be performed.

In this regard, a method of reducing the flow rate and suppressing the peak of the irrigation intensity by setting the water sprayer near the hose smaller than other water sprayers has been proposed (for example, Japan published on August 30, 1986). See "Public Utility Model Publication No. 3-26376".

In addition, there is a water spray hole 30 shown in FIG. 25 in which an inclined surface 31 for blocking and changing the emergency direction of water due to water pressure is formed on the sheet opening wall surface (for example, as of June 27, 2000). Japanese Unexamined Patent Publication No. 2000-176319).

As such, there has been a demand for a watering hole having a low watering height and watering near the watering tube. On the other hand, another problem with conventional irrigation tubes relates to the peak of the irrigation intensity, i.e., the homogenization of the spraying distribution.

According to the conventional technique shown in Fig. 21, in the sprinkling near the irrigation tube through the high angle sprinkler, the distribution of the sprinkling is concentrated in a narrow range so that the irrigation intensity (mm / hr) becomes stronger than that of other sprinkling regions. Show a tendency. As a countermeasure in this regard, a method is disclosed in Japanese Unexamined Utility Model Publication No. 3-26376 (August 30, 1986). The more you can see the narrowing range. Therefore, in order to ensure the uniformity of watering near the watering tube, more watering is required. Thus, when a large number of water holes are formed in the watering tube, it is difficult to apply uniform water pressure upstream and downstream of the watering hose. The problem of not being able to lengthen the length of the sprinkling hose, that is, the problem of longness occurs.

In addition, using the spraying holes 30 (see FIG. 25) described in the Japanese Patent Application Laid-Open No. 2000-176319 (published June 27, 2000), each spraying hole can spray a larger area. In recent years, however, it has been required to perform uniform watering at a lower watering height. Specifically, in the case of spraying in the state of performing a tunnel coating of about 60cm in height is required a sprayer can be sprayed uniformly at a very low spraying height. As such, when the restriction on the height of the watering is strict, it is difficult to perform uniform watering through the watering tube in which the watering hole 30 is formed, and in particular, there is a problem that uniform watering near the watering tube is difficult.

Accordingly, the present invention is to solve the above problems, it is possible to spray evenly to a wider area, and also the spraying water to ensure a suitable spraying strength in the vicinity of the water pipe or watering tube at a low watering height It is an object of the present invention to provide a water spray having a water spray, a water spray production method, a watering tube, a watering tube production method, and a tax cooling method.

In order to solve the above problems, the water sprayer of the present invention has a water sprayer having a plurality of water sprayers, which has a neighboring water sprayer formed so that its center line intersects on the side where water is discharged by water pressure. It features.

According to the above invention, the emergency water which escaped by water pressure from the neighboring water hole collides after being discharged from the water body to disperse and flow each other's water streams. This collision weakens the flow of emergency water, that is, the water hammer pressure of the emergency water stream, and at the same time, the water droplets are atomized and can be changed into a mist type micro water droplet.

That is, conventional watering nozzles such as watering nozzles and watering tubes generally have a conical periphery in which the opening wall surface of the watering hole on the sheet is perpendicular to the sheet cross section and widens toward the surface, or narrows toward the surface. It has a sprinkling hole formed in a conical shape, that is, a cone-shaped sprinkler hole, which is generally cylindrical with respect to the sheet and that becomes wider or narrower with respect to the surface. Then, the water escaping from the neighboring sprinkler does not collide and escapes in the shape of a rod in a radial extension line, so the water is sprayed at a long distance according to the water pressure.

For this reason, although it can sprinkle far and wide, in order to sprinkle in the vicinity of a sprinkler, it is necessary to make it fly upwards once, and it is necessary to raise a watering height. Moreover, even if it makes it fly upward, it cannot spray in the large area | region near the waterway body.

On the other hand, the sprinkler of the present invention has a neighboring sprinkler hole formed so that its center line crosses on the side where water is discharged by water pressure. Therefore, when water pressure is applied, the direction of the emergency water flow emerged from the water spray body is changed by colliding with the emergency water flow from the neighboring water hole. In addition, since the impact of the emergency water flow is suppressed by this collision, the watering distance and the watering height are reduced.

In addition, since the water which escapes in a rod shape is disturbed by this protrusion, the watering area near the watering tube is widened as the number of the emergency water is atomized and changes to the mist-type micro water. For this reason, since it is not necessary to make it fly upward once like a conventional watering tube, a watering height can be made low.

As a result, it is possible to provide a sprinkler that enables uniform sprinkling from a position near the sprinkler to a wider region without increasing the sprinkling height.

In addition, the water spray body of this invention can be comprised with a sheet-like thing. Here, a sheet means having a thickness of about 0.1 mm to 4 mm, and preferably of 0.2 mm to 1 mm. The material of the sheet is not limited to resin, but may be metal or rubber. In addition, the sheet is not necessarily limited to a wide one, but may be a small one such as a nozzle used for the tip of the sprayer or the like.

In addition, the number of the adjacent watering holes formed so that the center line may cross may be two or more, although it does not specifically limit, It is preferable to set it as two. If there are three or more neighboring sprayers, very high precision is required when forming the sprayers in order to intersect their centerlines at one point; however, when two are used, the centerlines can be easily positioned at one point by placing them on the same plane. Can be crossed.

In addition, the method of producing a water spray body of the present invention, in the method of manufacturing a water spray body having a plurality of water holes, characterized in that the water spray hole adjacent to the neighboring so that the center line crosses on the side of the water to escape by water pressure, have.

According to the above invention, the sprinkler is manufactured by forming a neighboring sprinkler hole so that its center line crosses the side where water is discharged by water pressure.

Therefore, it is possible to provide a method for producing a trickle, which enables uniform watering from a position near the trickle to a wider area.

In order to solve the above problems, the watering tube of the present invention has a watering tube having a plurality of watering holes, wherein the watering tube has a neighboring watering hole formed so that its center line intersects on the side where water is discharged by water pressure. I am doing it.

That is, the water which has escaped to the watering hole formed toward the surface in order to escape the water in the radial direction by the hydraulic pressure as in the prior art does not collide with the water that escaped from the neighboring watering holes and escapes in the form of a rod in a radial extension line. Therefore, the water is sprayed over a long distance according to the water pressure.

Therefore, although it can spray water from a distance, it is necessary to make it fly upwards once in order to spray water in the vicinity of a watering tube, and it is necessary to raise the watering height.

Moreover, even if it makes it fly upward, it cannot spray in the large area | region near the waterway body.

On the other hand, the watering tube of the present invention has a neighboring watering hole formed so that its center line intersects on the side where water is discharged by water pressure. Thus, the emergency water under hydraulic pressure collides with the emergency water from a neighboring sprayer and changes its direction. That is, the emergency water flow of the emergency water which escaped from the neighboring water hole collides in the vicinity of the watering tube, and the force of water is suppressed by this collision. Therefore, this suppression reduces the sprinkling distance and the sprinkling height of the emergency water.

In addition, since the emergency water flying in the rod shape is disturbed by the suppression caused by the collision, and the mist type micro drop changes, the emergency water is dispersed and the emergency area is widened. For this reason, it can spray water uniformly in the large area | region vicinity of a watering tube.                         

As a result, it is possible to provide a watering tube having a watering hole which enables uniform watering to a wider area, and can secure an appropriate watering strength at a position near the watering tube at a low watering height.

The watering tube of the present invention, in order to solve the above problems, in the watering tube having a plurality of sprinkling holes, in the case of water emergency at a water pressure of 0.2MPa to the water to emerge from the watering tube by water pressure It is characterized by having a neighboring water hole formed to collide with the emergency water.

According to the above invention, by the water supply pressure of about 0.2 MPa which is usually used for irrigation application of plant cultivation, the emergency water flow of the water which escaped from the neighboring water sprayer can collide in the vicinity of the watering tube.

Therefore, the water supply tube does not use a special device equipped with a power to obtain a high water pressure in order to escape the water from the water sprinkler, and the emergency water flow of the water sprinkled from the neighboring water sprinkler at a water pressure that is obtained through the general tap water You can surely collide in the vicinity of.

As a result, it is possible to provide a watering tube having a watering hole which enables uniform watering to a wider area, and can secure an appropriate watering strength at a position near the watering tube at a low watering height.

In addition, a supply pressure smaller than 0.2 MPa, specifically, supply pressure within the range of 0.05 MPa-0.2 MPa may be used for the watering operation of facility cultivation. Therefore, it is more preferable that the neighboring water spray hole is formed so that the emergency water collides with the hydraulic pressure side from the irrigation tube by the hydraulic pressure when the water is emergency with a hydraulic pressure of 0.05 MPa.

It is preferable that the inclined surface which changes the emergency direction in the radial direction of water according to water pressure is formed in the opening wall surface of the said adjacent watering hole.

With the above configuration, when the water pressure is applied and the water emerges from the watering tube, the direction of the water is partially blocked by the inclined surface and changed. In addition, the force of water is suppressed by this inclined surface at this time. Therefore, the watering distance and the watering height are further reduced by this suppression.

In addition, since the water which escapes in a rod shape is disturbed by the suppression by the inclined surface, water is dispersed and the watering area is widened.

As a result, it is possible to provide a sprinkler that enables uniform sprinkling to a wider area at a lower position of the sprinkler at a lower sprinkling height.

If the neighboring sprinkler has a thickness of the tube in the planar state L, and the height from the tube surface on the opposite side to the intersection of the center line of the neighboring sprinkler is H,

0.5 × L <H <L + 50 mm (One)

It is desirable to satisfy the relationship.

With the above configuration, since water that has escaped from neighboring water spray holes can be reliably collided in the vicinity of the watering tube, a water spray body that enables uniform watering to a large area in the vicinity of the water spray body can be provided. have.                         

The watering tube of the present invention may have a watering hole formed by combining the neighboring watering hole and the watering hole formed so that the center line does not intersect the centering line of the other watering hole on the side where the water escapes by water pressure.

Therefore, it can be sprayed in the vicinity of the watering tube through the neighboring watering hole, and the watering at a position away from the watering tube through the conventional watering hole whose center line does not intersect the centering line of other watering holes. Therefore, it is possible to secure a wide watering area even with a smaller number of watering holes than in the prior art.

In addition, the conventional sprinkling hole has an inclined surface that changes the emergency direction in the radial direction of the water in accordance with the water pressure is formed on the opening wall surface, but in order to make the water in the radial direction by the hydraulic pressure toward the surface or perpendicular to the opening wall surface There is a thing formed in the shape of the tip which widens a tip.

In the manufacturing method of the watering tube of the present invention, in order to solve the above problems, in the method of producing a watering tube having a plurality of watering holes, forming a watering hole from the diagonal direction with respect to the watering tube in a plane state, It is characterized by forming a neighboring sprinkler so that the center line intersects on the side which makes water fly by water pressure.

According to the above invention, when the watering hole is formed in the watering tube, a tubular opening is formed from the diagonal direction with respect to the watering tube in a planar state. In addition, although a cylindrical shape is common as a cylindrical opening, it is not necessarily limited to this, For example, a polygonal cylinder may be sufficient.

Therefore, it is possible to easily form a neighboring water hole formed so that its center line crosses the side where the water is discharged by water pressure.

As a result, it is possible to provide a method for producing a watering tube having a watering hole which enables uniform watering to a wider area and ensures a suitable watering strength at a position near the watering tube at a low watering height. .

In the manufacturing method of the said watering tube, it is preferable to form the said watering hole by irradiating a laser beam.

Therefore, it is possible to easily form the desired water spray hole precisely, surely and easily.

It is also possible to perform tax cooling using the present watering tube. The watering tube of the present invention is inexpensive because the structure is very simple compared to the conventional cooling system equipped with a power sprayer. Therefore, it is possible to realize tax cooling which has been very expensive in the past at a very low cost.

The watering tube of the present invention may use a watering method in which the watering tube is placed in contact with the surface of the culture medium and sprayed. In this case, for example, the direction of water scattered from the neighboring watering holes is lower than the horizontal direction. It is desirable to spray as much as possible.

Therefore, even in a condition where there is a very strict restriction on the sprinkling height and the sprinkling width, sufficient watering can be uniformly carried out in a desired range.

That is, since the direction of the emergency water discharged from the sprinkling hole is lower than the horizontal direction, it is possible to suppress either the sprinkling height and the sprinkling width of the emergency water compared with the direction of the emergency water is higher than the horizontal direction. In addition, the watering tube is laid so as to contact the surface of the culture medium, so that the water can be prevented from adhering to the crop. Therefore, it is very suitable for the irrigation method to a crop body which does not like fine water droplets floating in air, such as a flower.

Thus, according to the watering method using the watering tube of this invention, even if the restriction | limiting in the watering height and watering width is severe, it can spray water uniformly to a desired area | region.

Other objects, features and effects of the present invention will be fully understood from the following description. Further advantages of the present invention will become apparent from the following description with reference to the accompanying drawings.

Embodiment 1

An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

1 shows an embodiment of the water spray body of the present invention, in which emergency water emerged from the water spray collides with each other to promote the miniaturization of water droplets according to the water pressure, and also the flow of the emergency water, that is, the water pressure of the emergency water stream. It is sectional drawing which shows the principle of weakening iii). As shown in this figure, the water sprayer 1 of this embodiment has a group of neighboring water sprayers 10A.10B, and each of the centering lines LA and LB of each of the water sprayers 10A.10B is provided. Is intersected at the intersection C on the side where the water is discharged by the water pressure P.                     

Therefore, the water which escaped from each of these watering holes 10A.10B collides near the intersection C of the side which makes water fly by the water pressure P of the watering body 1, and by this collision The miniaturization of water escaping from 10A.10B) can be facilitated while at the same time weakening the hydraulic pressure of the emergency water stream.

That is, when the emergency water escaped from the water sprayer 10A. 10B collides in the vicinity of the water sprayer 1, it can spray a very wide range near the sheet constituting the water sprayer 1 as shown by the broken line in FIG. Can be.

In addition, as the emergency water spreads over a wide range, the water pressure of the emergency water can be weakened. Therefore, it is possible to prevent the formation of a dent or a water channel in a part of the watering region under the influence of the water hammer. In addition, when treating it as a group of sprinkler without distinguishing the sprinkler 10A.10B, it will just describe as the sprinkler 10 below.

Incidentally, inclined surfaces 12A. 12B are formed in the opening wall surfaces 11A. 11B of the sprinkling holes 10A. 10B to change the emergency direction of water according to the water pressure P, respectively. Therefore, when water rises by the water pressure P, the direction of water is partially blocked by this inclined surface 12A. 12B, and changes, and the momentum of water is suppressed. As the blocking by the inclined surface 12A.12B is made before the emergency water collides at the intersection point C, further suppression of the watering distance and miniaturization of the water droplets can be realized. Thereby, water can be sprayed more reliably to the very wide range of the vicinity of the sheet | seat which comprises the water spray body 1. As shown in FIG.

FIG. 2 is a cross-sectional view illustrating the shape of the sprinkler viewed from various directions and the position where the center lines of neighboring sprinklers of FIG. 1 intersect. First, the shape of the watering hole 10 will be described based on FIG. As shown in the figure, the sprinkling holes 10A. 10B of the sprinkling body 1 of the present embodiment are formed in the same shape and only have different perforation directions. More specifically, when viewed from above or below, the outer circumferential circle is formed in an elliptical shape, and when viewed from the perforation direction, the outer circumferential circle is formed in a circular shape. Therefore, the center line (perforation center line) LA.LB of the water spray hole 10A.10B of this embodiment means the straight line which connected the center of the outer periphery circle when it sees from the perforation direction.

In addition, as shown in Fig. 2, the ovals of the outer circumference when the watering hole 10A. 10B is viewed from the watering side or the opposite side of the watering body 1 are all almost in line with the focal point. That is, the ellipse is formed in a shape in which the major axis is located almost in a straight line. Therefore, the emergency water from the water spray holes 10A. 10B can be efficiently collided near the surface of the water spray body 1.

Next, based on FIG. 2, the distance from the watering body 1 to the intersection C of the center line of the watering hole 10A, 10B is demonstrated. As shown in the figure, the distance from the water sprayer 1 to the intersection C is specified by the distance H (mm) from the surface on the opposite side of the sheet constituting the water sprayer 1, not the watering-side surface. do. If the thickness of the sheet of the sprinkler 1 in the planar state is L (mm), this distance (H) is expressed by the following equation (1).

0.5 x L (mm) <H (mm) <L (mm) + 50 (mm). (One)

It is desirable to satisfy the relationship.

For this reason, it is possible to reliably collide the water from the spray hole 10A. 10B near the surface of the spray body 1, to weaken the water hammer, and to spray the water extensively.

In addition, as described in the above formula (1), H may be larger than half of the sheet thickness L, and the water from the sprinkling holes 10A. 10B in the sprinkling holes 10 inside the sheet of the sprinkler 1 may be used. The numbers may collide.

Moreover, it is preferable that the distance H from the water spray 1 to the intersection C satisfies the following formula (2), and more preferably satisfies the formula (3).

1.0 x L (mm) <H (mm) <L (mm) + 20 (mm). (2)

1.5 x L (mm) <H (mm) <L (mm) + 10 (mm). (3)

As shown in Fig. 2, the diameter of the sprinkler 10A.10B is seen in the semi-perforated direction, that is, the perforated outer diameter of the sprinkler 10A.10B, i.e. The diameter R of the perforation outer circumference of the smaller one is used. The diameter R of the watering hole 10A. 10B is preferably formed within the range of 0.05 mm or more and 2.0 mm or less, but is not limited thereto and is adjusted according to the thickness of the sheet, the supply water pressure, and the like.

As shown in FIG. 2, the distance D between the center line LA and the center line LB at the position intersecting the watering side surface of the sheet as shown in FIG. It will be shown by using. The distance D between the watering hole 10A and the watering hole 10B is preferably formed within a range of 0 mm or more and 20 mm or less, but is not limited thereto and is adjusted according to the thickness of the sheet, the water supply pressure, or the like.

When the direction of puncture of the watering hole 10A and the watering hole 10B is expressed using the angle X formed between the center line LA and the center line LB and the watering side of the sheet, X is preferably 20 ° or more. It is more preferable that it is 60 degrees or less.

When the watering holes 10A.10B are formed to satisfy the above conditions with respect to the H, D, R, and X, the non-water from the watering holes 10A.10B is more reliably near the surface of the watering body 1. They can collide at, weakening their water pressure and at the same time spraying them extensively.

The sprinkling body 1 having the plurality of sprinkling holes of the present embodiment described above can be produced by forming the sprinkling balls adjacent to each other so that their centerlines intersect on the side where the water escapes by water pressure. In addition, in the detailed description of the present invention, as described above, a method of puncturing the centerline of the two spraying holes to cross the side where water is discharged by water pressure is referred to as X puncture.

Embodiment 2

Another embodiment of the present invention will be described below with reference to FIGS. 3 to 11 (c). In addition, although the watering tube which is a water spray body is demonstrated in embodiment of this invention, a water spray body is not necessarily limited to this, For example, it may be used for the water spray nozzle of a sprayer, etc. In addition, for the convenience of description, the same code | symbol is attached | subjected about the member which has the same function as the member shown in the drawing of said embodiment, and the description is abbreviate | omitted.

In this embodiment, the case where the water spray body of this invention is implemented with a watering tube is demonstrated. 3 shows a state in which the sprinkling hole 10 is formed in a planar tube such that its center line intersects on the sprinkling side. Although the method of forming the watering hole 10, that is, a group (one pair) of adjacent watering holes 10A.10B in a tube is not specifically limited, For example, the method of using a laser beam is mentioned.

Next, the arrangement example of the sprinkling hole adjacent to the watering tube which is the sprinkling body of this embodiment is demonstrated based on FIG.4 (a), FIG.4 (b), FIG.5 (a), and FIG.5 (b).

In the watering tube 2 of the present embodiment shown in Fig. 4 (a), two sheets of a sheet made of thermoplastic synthetic resin film, such as thin polyethylene, are stacked in two, and the peripheral portion in the width direction of these stacked sheets is heat-sealed. By making it into close contact with each other, it is formed into a tubular shape having a pair of two-shaped portions 23.23.

Although the thickness of this sheet | seat is about 0.5 mm, for example, it is not necessarily limited to this, For example, it is applicable also to the thickness of about 0.1 mm-about 3.0 mm.

Therefore, the watering tube 2 expands by water pressure at the time of watering, that is, at the time of watering, and becomes a tubular shape of, for example, about 30 mm to 40 mm in diameter, but becomes flat at the time of non-water passing. In addition, the watering tube 2 of this embodiment does not necessarily need to have the release part 23.23. In addition, the diameter of the watering tube 2 is not specifically limited, It can set suitably according to the water quantity, water pressure, etc. which are supplied to the watering tube 2.

In addition, as shown in Fig. 4 (a), the sprinkling hole 10 is configured by arranging the sprinkling hole 10A and the sprinkling hole 10B neighboring in parallel in the tube length direction. Further, the watering holes 10 are arranged at substantially equal intervals in the longitudinal direction of the tube. As such, the watering hole 10 is formed by forming the watering hole 10A and the watering hole 10B as a unit.

The watering tube 2 described above is excellent in repeated-pressure fatigue strength and also has swelling resistance, heat resistance, cold resistance, tear resistance and impact resistance. In addition, although not shown in the watering tube 2, the some rib extended in the longitudinal direction may be formed in the surface. For this reason, it can prevent that the watering tube 2 is easily twisted at the time of water flow.

This watering tube 2 is connected to a pump not shown at the time of watering, and a hydraulic pressure of about 0.2 MPa is applied by the pump. Then, the emergency from the neighboring sprinkling holes 10A. 10B of the watering tube 2 is formed to collide near the intersection C of the center line LA.LB.

When the above watering tube 2 is tubular, a plurality of watering holes 10... Are formed at predetermined intervals along the length direction. In addition, in Figs. 4A and 4B, these watering holes 10... Are arranged in one row (1) at predetermined intervals in the longitudinal direction of the watering tube 1 at the first upper limit of the tubular cross section. Although not limited to this, it may be formed in a plurality of strings (a plurality of rows) at predetermined intervals in the longitudinal direction of the watering tube 1 at the first upper limit of the cross-sectional circle.

In addition, it is possible to form the watering hole 10... In one or several lines not only in the first upper limit of the tubular cross section but also in the second upper limit. In addition, the spacing of the watering holes 10... Is set at a predetermined interval in consideration of the seedling spacing of plant cultivation and the like.

In addition, the watering hole 10A.10B of the watering hole 10 of the watering tube 2 of this embodiment heats the sheet | seat which is a flat raw material, ie, the release part 23.23, at the time of manufacture of the watering tube 2. In the unsealed step, it is formed at an angle of puncture angle X (see Fig. 2), not in the vertical direction. Although 20-80 degree is applicable as this puncturing angle X, Preferably it is 30-60 degree. This can change the watering range or the watering range of the water.

Formation of this watering hole 10A. 10B is performed by irradiation of a laser beam, for example in this embodiment. However, the present invention is not necessarily limited thereto, and may be formed by, for example, punching or punching.

Also, as shown in Fig. 2, this watering hole 10A.10B is formed by injecting a laser beam from the surface of the sheet and penetrating it toward the back side of the sheet, and at the opening wall surface 11A.11B from the surface of the sheet. It has the inclined surface 12A.12B and the opposing surface which become small gradually a hole diameter over the back surface side of a sheet | seat.

That is, the inclined surface which changes the emergency direction of the water in the radial direction by the water pressure by forming the conical opening, which is tapered from the tube surface toward the rear surface of the tube, for example, from the oblique direction with respect to the watering tube 2 in the planar state. 12A.12B is formed in the opening wall surface 11A.11B.

Specifically, the laser beam having a circular cross section through a convex lens (not shown) is penetrated through the sheet when it enters obliquely at a drilling angle X from the surface side of the sheet. For this reason, as shown in FIG. 2, the hole diameter is formed in the surface side of a sheet | seat larger than the back surface side.

In addition, although the conical-shaped opening which becomes thin from the tube surface toward the back surface of a tube in this way can be formed from oblique direction, it is mainly due to passing a convex lens, but is mainly caused by the energy of laser beam gradually attenuating.                     

Thus, as is clear from Fig. 2, the inclined surfaces 12A. 12B on the vertical side have an inclination angle larger than the drilling angle X, while the tapered surface opposite thereto has an inclination angle smaller than the drilling angle X.

For this reason, when facing the watering hole 10A.10B from the upper direction of a sheet | seat, a part of the back surface watering hole of the sheet back surface side is partly masked, ie, blocked by the inclined surface 12A.12B.

In the watering tube 2, the laser beam is penetrated through the sheet in a thin state, but the present invention is not necessarily limited thereto, and the laser beam may be a parallel line having a circular cross section. That is, when a tubular opening is formed in an oblique direction, for example, with respect to the watering tube 2 in a planar state, the inclined surface 12A. 12B which changes the emergency direction to the radial direction of water by hydraulic pressure is 11 A of opening wall surfaces. It is also possible to form a spray hole formed in .11B). In order to puncture in this way, it is necessary to carry out, for example, to enlarge the energy of a laser beam.

Fig. 4B is a cross sectional view taken along the line A-A 'showing the state of the watering hole at the time of watering of the watering tube 2 of Fig. 4A. As shown in the figure, the emergency water emerged from each of the watering holes 10A.10B at the time of the watering of the watering tube 2 and is substantially parallel to the longitudinal direction of the tube and the centerline LA of the watering holes 10A.10B. It collides in the vicinity of the intersection C with LB.

It is preferable that the number of the group of neighboring watering holes 10A.10B which comprise the watering hole 10 of the watering tube 2 of this embodiment is an even number, and it is especially preferable that it is two pieces. For example, if the sprinkler 10 is composed of a group of neighboring odd number of sprinklers, the perforation center line of the entire hole formed needs to be completely concentrated at one point. Otherwise, the flow of emergency water from the neighboring odd number of spatters will not be concentrated at one point, which will break the balance of the collision. Thus, it is different from the designed watering shape.

Further, when the watering hole 10 is composed of three or more odd neighboring watering holes, there is another difficulty. It focuses not only on the point of intersection of the perforation center line of each sprayer, but also on the diameter of the hole, the shape of the hole, and the pressure applied to each of the neighboring sprayers in order to concentrate the emergency streams (discharge streams) from neighboring sprayers at one point. Although it is necessary to make it the same, it is very difficult to satisfy all of these conditions.

Therefore, it is preferable that the watering hole 10 formed so that the center line may cross | intersect like the watering tube 2 of this embodiment is comprised from two watering holes 10A.10B.

Here, as shown in Fig. 4 (b), the sprinkling hole 10 formed by the X drilling will be described as an example, and the conditions such as the hole diameter, the hole shape, and the water pressure applied to each of the sprinkling holes will be described. Since the watering hole 10 is composed of the watering holes 10A.10B having the same hole diameter and the same hole shape, assuming that there is no water flow inside the watering tube 2, the hydrostatic pressure is the watering hole 10A and the watering hole. 10B is the same.

However, the sprinkling hole 10A having a hole formed from the inner side to the outer side of the tube from the upstream side to the downstream side from the upstream side to the downstream side of the water flowing inside the sprinkling hole 10A has a hole formed from the inner side to the outer side of the tube. Compared with the influence of water flow, the pressure of the water to be raised increases. That is, the watering hole (10A) and the watering hole (10B) are arranged in parallel with the water flow inside the watering tube (2), so that the watering hole (10A) and the watering hole (10B) when the water emergency Pressures are different.

In other words, the influence of the kinetic energy generated by the water flow inside the watering tube 2 is different in the sprinkling hole 10A and the sprinkling hole 10B. That is, since the emergency direction of the emergency water from the watering hole 10A is the opposite direction to the water flow in the watering tube 2, it is considered that there is no influence of the kinetic energy generated by the water flow. On the other hand, since the emergency direction of the emergency water from the watering hole 10B is the same direction as the water flow in the watering tube 2, the kinetic energy generated by the water flow acts positively, that is, increases the water pressure.

Here, if the specific gravity of water is l, the speed of water is V (m / s), and the acceleration of gravity is g (m / s ² ), the kinetic energy generated by the water flow is V ² / 2g (g · m). It is represented by

Therefore, the total water pressure acting on each of the spray holes 10A. 10B is larger in the spray hole 10B than the spray hole 10A. This becomes a detrimental factor of crossing the water discharged from the watering holes 10A. 10B at one point near the intersection C.

On the other hand, in the watering tube 2 of the present embodiment, since the center of gravity LA.LB of the two sprinkling holes 10A.10B in pairs is located on the same plane, a pair of emergency water flows, which is the minimum unit, The intersection is secured. In addition, the pair of sprinkling holes 10A.10B have the same hole diameter and shape and are in a symmetrical relationship, so that the balance is good.

In the watering tube 2 of the present embodiment, an even number of watering holes 10A.10B are formed, and an intersection C of the center line LA.LB is formed in the watering tube 2 of the watering tube 2. Located near the surface. That is, the center line LA of the watering hole 10A and the center line LB of the watering hole 10B are located on the same plane and intersect near the surface of the watering tube. Therefore, even if there is a slight difference in the water pressure of the emergency water from the watering hole 10A.10B due to the water flow inside the watering tube 2, this causes the emergency water to collide in the vicinity of the watering tube 2 and the hydraulic pressure It is not enough to weaken and affect the wide dispersion of water.

Therefore, the even array consisting of the sprinkler with the even number of sprinkler should be arranged on the same plane with the centerline of the pair of the sprinkler. You do not have to focus on one point.

In addition, as shown in Fig. 1 explaining the emergency water flow (discharge water flow) near the watering hole 10, the point of collision of the emergency water flow shown in the image table of the broken line in the figure must coincide with the intersection point C of the drilling center line. no. This makes it possible to make the direction of the emergency water flow completely coincide with the puncturing center line when diagonally perforated to form a water spray hole 10, such as a watering tube 2, which is not so thick (a sheet having a thickness of about 0.2 mm to 1.0 mm). This is because the perforation length (the length of the inclined surfaces 12A. 12B) cannot be sufficiently secured.

Thus, it is considered difficult to precisely control the direction of emergency water flow when the sheet or plate thickness is not significant (several mm or more) by simply obliquely drilling a flat plate such as the above-described sheet. Therefore, in the case of using the watering body for the use of agricultural watering tube, considering the puncturing accuracy, manufacturing difficulty, and the required thickness of the sheet or plate, the neighboring watering hole is made to be an even arrangement rather than an odd arrangement. This is preferred.                     

5 (a) and 5 (b) show the arrangement of the spray holes 10A. 10B arranged in parallel with the tube cross-sectional direction. As shown in Fig. 5 (a), the arrangement of the watering holes 10A.10B will be described as the watering holes 20. In addition, since the watering tube 3 shown in FIG. 5 (a) is the same as the watering tube 2 described above except that the watering hole 20 is formed instead of the watering hole 10, The description will be omitted.

Fig. 5 (b) is a sectional view seen from B-B 'showing the state of the watering hole 20 at the time of water passing through the watering tube 3 of Fig. 5 (a). As shown in the figure, at the time of watering of the watering tube 3, the center line LA, LB of the watering hole 10A. 10B emerges from each of the watering holes 10A. 10B so as to be substantially parallel to the tube cross-sectional direction. The emergency water collides near the intersection point (C).

Also, as shown in the drawing, when the spray holes 10A.10B are disposed in parallel to the cross-sectional direction of the tube, the directions of the spray holes 10A.10B are all directed to the water flow direction flowing inside the watering tube 3. Almost perpendicular to Thus, the pressure of the water escaping from each of the watering holes 10A. 10B is not affected by the water flow flowing inside the watering tube 3.

In addition, in the above description, the watering hole 10A and the watering hole 10B are arranged parallel to the longitudinal direction of the tube and parallel to the cross-sectional direction of the tube (vertical to the longitudinal direction of the tube). The irrigation tube 3 arranged at) was described. However, the arrangement of the watering hole 10A and the watering hole 10B, which are neighboring watering holes, is not limited to these, and the arrangement between the watering tube 2 and the watering tube 3, that is, the longitudinal direction of the tube It may be arranged so that it is positioned diagonally with respect to.                     

6 (a) to 11 (c), a watering tube which is one embodiment of the water spray body of the present invention and a conventional watering tube are compared. 6 (a) to 6 (c) are cross-sectional views schematically showing the structure of the watering tube and the conventional watering tube of the present embodiment, and FIGS. 6 (a), 6 (b) and 6 (c). Conventional watering tube having a watering tube (3) formed with the watering hole (20) in the order of), the watering hole (20) formed in the opening wall surface of the inclined surface to change the emergency direction in the radial direction of the water by the water pressure ( 4) shows a conventional watering tube 5 having a sprinkling hole 50 whose center line substantially coincides with the emergency direction in the radial direction of water by hydraulic pressure.

FIG. 7 is a perspective view showing the dispersion state of the emergency water near the sprinkling hole 30 of the conventional watering tube 4 shown in FIG. 6 (b). As shown in the figure, in the vicinity of the sprinkling hole 30 is dispersed in a mist through a flat water flow area of about several cm in length.

Fig. 8 is a perspective view showing the dispersion state of the emergency water near the sprinkling hole 20 of the watering tube 3 of the present embodiment shown in Fig. 6A. As described above, the sprinkling hole 20 has two neighboring sprinkling holes 10A formed so that their centerline LA.LB intersects at the intersection C near the watering side surface of the irrigation tube 3. 10B). Thus, as shown in the figure, the two emergency waters from the watering hole 20 collide near the intersection C near the watering-side surface of the watering tube 3. Therefore, the emergency water is dispersed in the mist form immediately in the vicinity of the irrigation tube 3 without passing through the flat water flow area of about several centimeters in length, and becomes mist type micro water droplets.

For this reason, as shown in FIG. 8, since the watering tube 3 can form the dispersion water flow area extremely wide in the vicinity, especially near the watering tube 4 than the conventional watering tube 4 shown in FIG. You can spray in a wide range of areas.

9 (a) to 9 (c) are diagrams showing the watering patterns of the respective watering tubes shown in FIGS. 6 (a) to 6 (c). As shown in Fig. 9 (a), the watering tube 3 of the present embodiment has a sprinkling hole 20 formed by X drilling. Therefore, the dispersion of the emergency water starts immediately after the dispersion point is located near the watering tube 3 and discharged. In addition, since the emergency water collides immediately after the discharge and most of the kinetic energy of the emergency water flow is used for dispersing the emergency water, it can be sprayed with a wide spraying water in the vicinity of the sprinkling tube as a mist type micro water droplet having a very small water hammer pressure.

In addition, since the watering height and the watering distance can be made very small, it is very suitable for performing uniform watering in a limited space. Both the watering height and the watering distance from the watering hole 20 can be suppressed to 1/3 or less of the watering hole 50. Therefore, when the watering tube 3 is used, the watering height can be set significantly low. For example, the watering height can be suppressed to about 60 cm and the watering distance to about 80 cm.

On the other hand, the watering tube 4 having the watering hole 30 formed in the watering hole through the oblique perforation shown in Fig. 9 (b) is the emergency direction in the radial direction of water by the water pressure in the watering hole 30 As it changes, it can promote the dispersion of the emergency water.

However, unlike the emergency water discharged from the water sprayer 30, the emergency water discharged from the water sprayer 30 is not dispersed by the collision of a plurality of emergency water streams. Due to this, as shown in the figure, the distance from the irrigation tube to the dispersing time is farther than the irrigation tube 3 having the X-drilled sprinkling ball 20, so that water is sprayed near the irrigation tube 4. It is difficult. Further, both the watering distance and the watering height are larger than the watering tube 3. Moreover, the water droplets of the watering tube 4 are rough compared to the water droplets of the watering tube 3 of the present embodiment, and the water hammer pressure of the emergency water is also increased.

9 (c) shows a conventional irrigation tube 5 having a vertically perforated sprinkler 50. The sprinkling pattern of the vertically perforated sprinkler 50 of the conventional irrigation tube 5 maintains a rod-shaped sprinkler flow for a while after being sprayed from the sprinkler 50 as shown in the drawing, but by air resistance. Gradually fine droplets begin to separate and at some point the dispersion of the droplets begins rapidly.

In this way, the distance from the vertically perforated sprinkling hole 50 of the watering tube 5 to the time of dispersion of the emergency water stream discharged is very long compared with the watering tube 3 of Fig. 9A. Therefore, it is very difficult to spray in the vicinity of the watering tube 5. Moreover, the watering droplets of the watering tube 5 are very rough compared to the watering droplets of the watering tube 3 of the present embodiment, and the water pressure of the emergency water is also very large.

In addition, as shown in Figs. 10B and 10C, the watering intensity of 5 mm / hr or more, which is the target of the watering amount required for plants and the like, is shown that the watering tube 4 is used for the watering by the conventional watering hole 30. It is in the range of about 0.6 m to about 1.8 m from the position of), and in the sprinkling by the conventional watering hole 50, it is in the range of about 1.8 m to about 3.2 m from the position of the watering tube 5. As such, it is not possible to carry out a sufficient amount of watering, especially in the vicinity of conventional watering tubes.                     

On the other hand, in FIG. 10 (a) showing the watering distribution of the watering tube 3 of the present embodiment, a watering intensity of 5 mm / hr or more appears in the range of 0 m to about 0.8 m from the position of the watering tube 3. . In this way, when the watering tube 3 of the present embodiment is used, it is possible to perform uniform watering in the vicinity of the watering tube, which is particularly difficult in the related art.

In addition, this irrigation intensity | strength (m / hr) shows how much water is sprinkled per hour, and it takes the same calculation method as what is called rain, and the unit is the same.

In addition, the plan view of the watering distribution of the watering tube 3.4.5 is shown as shown in Figs. 11 (a), 11 (b) and 11 (c), respectively. In addition, these sprinklings were all sprinkled with the same sprinkling elevation and the same sprinkling diameter with respect to the sprinkling hole (20.30.50). In addition, all water supply pressures are 0.2 Mpa. In addition, the above-described sprinkler diameter 0.3 mmφ is a perforated outer circumference of the sprinkler 10A.10B viewed from the semi-perforated direction as shown in FIG. The diameter (R) of the perforated outer circumference of the smaller one is said. In addition, although the water supply pressure is set to about 0.2 MPa in the above-mentioned example, the water supply pressure can be appropriately set according to the inner diameter, the water, etc. of the watering hole.

The spraying distribution shown in Figs. 11 (a) to 11 (c) shows that the spraying holes 20 can be sprayed into the near area rather than the spraying holes 30.50, and that each of the sprayable areas is different. Can be. In this way, the sprinkling hole 20 can sprinkle a short-range area within about 0.5 mm from the irrigation tube that the conventional sprinkling hole 30.50 could not spray evenly. In addition, when the watering hole 20 and the conventional watering hole 30.50 of this embodiment are combined, uniform watering can be performed in arbitrary wide range.

As described above, the watering tube of the present embodiment has a uniform watering distribution even with a few watering holes, and thus it is not necessary to form a large number of watering holes in order to obtain a uniform watering distribution as in the prior art. Therefore, it is possible to prevent the water pressure between the water spray holes formed on the side connected to the pump in question and the water spray holes formed on the side where the pump is not connected when forming a large number of water spray holes.

That is, the watering tube of the present embodiment can evenly spray the vicinity of the watering tube with a smaller number of watering holes than the conventional one. Therefore, it is possible to increase the length of the irrigation tube, that is, increase the elongation of the irrigation tube by preventing the occurrence of non-uniformity of hydraulic pressure as described above.

In addition, since the uncorrelated energy is reduced due to the small particle size of the sprayed water droplets, that is, the dropping speed of the particulate water drops due to the sprinkling caused by the mist-type particulate water droplets, it is possible to perform a mild irrigation without burdening the crop. In addition, since uncorrelated energy is reduced, the watering distance and the watering height become small.

(Manufacturing method of a tube for irrigation)

The watering tube having a plurality of watering holes of the present embodiment forms a watering hole from an oblique direction with respect to the tube in a planar state, thereby forming a watering hole adjacent to the center line to cross the side where the water is driven by water pressure. That is, it can be produced through X perforation.

For example, in the manufacturing method of the irrigation tube 2.3 of this embodiment, when forming the sprinkling hole 10.20 in the irrigation tube 2.3, an end becomes thinner from the tube surface to the tube back surface to the tube in a planar state. The cone-shaped opening is formed from the diagonal direction. In addition, the shape of the water spray hole 10.20 is not necessarily limited to this, For example, it may be a polygonal thrust type.

Therefore, the adjacent watering holes 10A. 10B can be easily formed so that the center line intersects on the side where water is discharged by water pressure.

As a result, it has a watering hole (10.20) which can ensure a uniform watering to a wider area reliably, and does not require much watering height and can secure an appropriate watering strength near the watering tube (2.3) It is possible to provide a method for producing the watering tube (2.3).

Here, in the manufacturing method of the irrigation tube 2.3 of this embodiment, when forming the watering hole in the irrigation tube 2.3, it is also possible to form a cylindrical opening in the tube of a planar state from oblique direction. In addition, although a cylindrical shape is common as a cylindrical opening, it is not necessarily limited to this, For example, a polygonal cylinder may be sufficient.

Thus, the impact of emergency water flow from neighboring water holes 10A. 10B allows uniform watering to a wider area, and does not require much watering height and is suitable for the position near the watering tube 2.3. It is possible to provide a method for producing a watering tube (2.3) having a watering hole (10.20) that can ensure the watering strength.

In addition, the manufacturing method of the irrigation tube 2.3 of this embodiment is formed by irradiating a laser beam, when forming the watering hole 10.20. Therefore, the desired inclined surface 12 can be formed precisely, surely and easily.

Moreover, in the said embodiment, the watering tube (2.3) overlaps two sheets which consist of thermoplastic synthetic resin films, such as polyethylene of thin thickness, and consists of heat-sealing the peripheral part of the width direction mutually overlapped.

However, the present invention is not necessarily limited thereto, and may be, for example, a watering tube made of a thick pipe or a hose. This watering tube consists of a pipe or a hose of thickness 0.2mm-4.0mm, for example, As a material, For example, thermoplastic resins, such as polyethylene, a polyvinyl chloride, polyvinylidene chloride, a polyamide, polyester, Natural rubber, synthetic rubber, elastomers and the like. These materials are suitably selected alone or in combination. If necessary, these materials may also contain an infrared ray inhibitor, an antioxidant, a colorant, and other additives. Through this, it is possible to obtain the same watering situation as the watering tube (2.3).

Embodiment 3

Another embodiment of the present invention will be described below with reference to Figs. In addition, for the convenience of description, the same code | symbol is attached | subjected about the member which has the same function as the member shown in the figure of the said embodiment, and the description is abbreviate | omitted.

First, the position of the watering hole formed in the watering tube will be described. 12 is a cross-sectional view of the watering tube cut in the tube cross-sectional direction at the time of water flow. As shown in the drawing, the intersection of the central axis of two neighboring spraying holes constituting the spraying hole 20 from the X axis having the center O of the irrigation tube as the origin and the X axis of the first upper limit among the Y axes ( The angle which counted the angle to C) counterclockwise is defined as the angle which specifies the position of the sprinkling hole 20. FIG. In addition, this angle can also be referred to as the angle formed by the straight line passing through the origin O and the intersection C and the X axis, counted from the X axis of the first upper limit as a starting point. In addition, in the case of the watering hole made of one hole having no intersection point C, the position of the watering hole is specified at an angle to the center of the watering side of the watering hole, not the intersection C.

Figure 13 (a) and Figure 13 (b) is a view showing the watering tube of the present embodiment arranged by combining the X-drilled sprinkler and the diagonally-drilled sprinkler, Fig. 13 (a) shows a perspective view Fig. 13B is a sectional view seen from the line C-C '. As shown in the figure, the watering tube 6 of the present embodiment is made by combining the watering hole 20 and the watering hole 30 described in the above embodiment.

In addition, in the experiment of this embodiment, as the watering tube 6 which combined the watering hole 20 and the watering hole 30, as shown in FIG. 13 (a) and FIG. 13 (b), the watering hole 20 Was placed in a straight line at a position of about 20 degrees and a position of about 160 degrees on the tube, and the watering hole 30 was disposed in a straight line at a position of about 35 degrees and a position of about 145 degrees, respectively.

In addition, as shown in Figs. 13A and 26, both the sprinkling hole 20 and the sprinkling hole 30 have a hole diameter of 0.3 mmφ, and the sprinkling hole 30 with respect to one sprinkling hole 20. It was decided to arrange two. In addition, the water supply pressure was about 0.2 MPa.

The sprinkling distribution of the water discharged from the sprinkling hole 20.30 of the combined watering tube 6 is as shown in Figs. 14 (a) and 14 (b), respectively.

Further, the distribution of the non-water sprinkled from the entire watering tube 6 is shown in Fig. 14 (c). As shown in the figure, the spraying intensity could be secured relatively uniformly from the near position to the far position of the watering tube 6.

15 (a) and 15 (b) are distribution charts in a planar state showing the watering distribution of each watering hole of the watering tube 6; The sum of the diagonal regions of Fig. 15 (a) showing the individual watering distribution through the watering hole 20 and Fig. 15 (b) showing the individual watering distribution through the watering hole 30 is the watering tube 6 It is the area to be sprayed by. In this regard, it can be seen that the irrigation tube 6 can be sprayed especially on a large area in the vicinity thereof.

Further, the watering situation in the plastic house 100 of the watering tube 6 is as shown in Figure 16, where the watering hole 20 is located near the watering tube 6, the watering hole 30 A little farther position is taken from this watering tube 6.

Here, the sprinkling hole 20 is extremely suppressed the emergency distance of the emergency water through the miniaturization of water droplets and the water hammer pressure, it can be sprayed at a very low watering height near the watering tube (6). Thus, as shown in Fig. 16, even when tunneling, for example, about 60 cm in height, is performed, the emergency water can be sprayed in the vicinity of the irrigation tube 6 without contacting the seat member or the like where tunneling has been performed. Can be.

As described above, the watering tube 6 of the present embodiment can be easily watered in the vicinity of the water spraying hole, which is very difficult to spray with a conventional water sprayer even under conditions in which the watering height is extremely limited. In addition, the watering tube 6 may be suitably used even when spraying the drug in a limited space for the purpose of pest control, soil disinfection, etc. of the crop.                     

In addition, the combination of the watering hole is not limited to the above combination, and may be a combination of the watering hole (10.20) and the watering hole (30.50) (see Figs. 4 (a) to 6 (c)) and other conventional watering holes. do.

As described above, the watering to the near position of the watering tube 6 is performed by the watering hole 20 having the inclined surface 11, the watering to the position away from the watering tube 6 to the watering hole 30 As a result, the water can be sprayed uniformly over a wide area from the vicinity of the watering tube 6 to the far side.

Therefore, the watering tube 6 having the watering hole 20 which can ensure the uniform watering to a wider area reliably and can secure the proper watering strength near the watering tube 6 at a low watering height. ) Can be provided.

In addition, if you want to ensure a certain watering area in the area near the watering tube only with the conventional watering hole (30.50), it is necessary to form a plurality of watering holes (30.50…) having different hole diameters in the watering tube. When combined with the watering hole 20 like the watering tube 6 of the present embodiment, it is only necessary to form a smaller number of watering holes 20 than in the prior art. Therefore, since the uniformity of the internal water pressure improves when the watering tube 6 is formed long, the elongation can be improved.

Embodiment 4

Another embodiment of the present invention will be described with reference to FIGS. 17A and 17B and FIG. 18 as follows. In this embodiment, the method of carrying out tax cooling of a vinyl house using the watering tube 2 demonstrated in the said embodiment is demonstrated.                     

(Test Methods)

The tax cooling test using the watering tube of this embodiment was performed as follows.

(Tube for watering)

Sprinkler Diameter: 0.3mmφ

Position of watering hole: about 10 degrees and about 170 degrees (refer to Embodiment 3 for the specific method of hole position)

(Trial vinyl house)

7.2 m wide pipe house

Cultivated crops: cucumber

Cultivated Dice: 4

(Watering tube installation method)

2 units at 2 meters above ground

(Sprinkling treatment method)

1 minute spray every hour (11:00, 12:00, 13:00)

Water supply pressure: 0.2MPa

17 (a) and 17 (b) are diagrams schematically showing the configuration of the watering tube 2 in a state where water passes through the inner side used in the present embodiment, and FIG. 17 (a) is a perspective view. (B) is sectional drawing seen from the D-D 'line | wire of (a).

In the experiment, as the watering tube 2 having the watering hole 10 formed therein, the watering hole 10 was positioned at about 10 degrees and about 170 degrees on the tube as shown in FIGS. 17 (a) and 17 (b). The ones arranged in a straight line were used.

In the watering tube 2 of the present embodiment, as shown in Fig. 17 (a), two rows of watering holes 10 are formed, and the watering holes 10 in each row are all formed at substantially equal intervals. In addition, as shown in the figure, the position intersected at about the center of the line segment when waterline is dropped on the line segment connecting the water line 10 in the other row to the water line 10 in the other row. In the watering hole 10 is formed. That is, in the irrigation tube 2 used in this embodiment, as shown in FIG. 17 (b), the watering hole 10 is alternately formed at the first upper limit and the second upper limit of the sectional view.

18 is a schematic view illustrating a method of performing a tax cooling of a vinyl house using the watering tube of the present invention. As shown in the figure, the mist-like microdroplets of non-water sprayed from the watering hole 10 of the irrigation tube 2 disposed above are sprayed and sprayed onto the crop 110 which is a cultivated crop. Therefore, the temperature in the vinyl house 100 can be lowered through the heat of vaporization of the emergency water.

FIG. 27 shows the results obtained with respect to the effect of spraying water using the watering tube 2 on the room temperature and humidity in the vinyl house 100 through the above-described tax cooling test.

As shown in FIG. 27, when watering was performed for 1 minute every 1 hour through the watering tube 2, the temperature in the vinyl house 100 dropped about 4 ° C to 5 ° C after about 8 minutes. And this cooling effect lasted about 15 minutes after watering, and after about 30 minutes, it returned to the temperature before watering. In addition, although the relative humidity in the vinyl house 100 is 10% to 15% higher than before the watering with the temperature decrease due to the watering, the increase in the relative humidity of this degree is not particularly noticeable.

In addition, in the present embodiment, the two watering tubes 2 are disposed on the four ridges in the plastic house 100 and sprinkled with water for 1 hour to spray the water, but the number of watering tubes and the watering interval are limited thereto. It can be set according to the cooling effect required.

As described above, vaporization is promoted as the non-water sprayed from the watering hole of the irrigation tube is made fine by the effect of the X-hole and becomes a mist-type water droplet, and this heat of vaporization reduces the room temperature of the vinyl house by about 5 ° C. Can be.

Here, the apparatus for providing the cooling of the inside of a plastic house has conventionally been equipped with the power sprayer for generating the fog, the nozzle which blows off the fog, and the means for moving a nozzle in the house. However, this device has been very expensive.

On the other hand, by performing the cooling of the tax using the watering tube provided with the X-punched sprinkler of the present embodiment, it is possible to realize the cooling of the tax at a very low cost (about 1/10 or less of the conventional apparatus).

In addition, the watering tube of this embodiment is not limited only to the tax cooling of a vinyl house, It can be used also for tax cooling, a disinfection, washing | cleaning, etc. of a livestock house.

[Embodiment 5]                     

Another embodiment of the present invention will be described below with reference to Figs. 19 (a), 19 (b), 20 (a) and 20 (b). In the present embodiment, the watering tube 3 described in the above embodiment is used, but is placed below the crop body 110 (the crop medium 110 cultivation medium side) and locally irrigated to the cultivation medium 120. It demonstrates. In addition, you may use the watering tube 2 instead of the watering tube 3. In addition, for the convenience of description, the same code | symbol is attached | subjected about the member which has the same function as the member shown in the figure of said embodiment, and the description is abbreviate | omitted.

19 (a) and 19 (b) illustrate the method of the present embodiment for local irrigation through the irrigation tube 3 of the present invention, and FIG. 19 (a) is for irrigation to the culture medium 120. The front view of the state in which the tube 3 was laid is shown, and FIG. 19 (b) is the side view of the state in which the watering tube 3 was laid in the culture medium 120. In FIG. In addition, the case where the crops 110 are cultivated in two rows on one side of the culture medium 120 as shown in Fig. 19A is described.

The watering tube 2 is laid in contact with the surface of the culture medium 120 near the center of the two rows of crops 110, as shown in Fig. 19 (a), and in this state is fed to the crops 110 on both sides. In order to spray the water, two rows of sprinkling holes 20 are formed at substantially equal intervals as shown in FIG. Each row of the sprinkling hole 20 is preferably formed below the release portion 23 so that the emergency direction of the emergency water is lower than the horizontal direction as shown in the same figure. As a result, the height of the watering can be suppressed to be extremely low, and therefore, it can be appropriately used for the cultivation of crops, for example, in which non-watering water is not sprinkled, such as flowers.

Here, each row of the sprinkling hole 20 is formed below the release portion 23 according to the position definition of the sprinkling hole 20 described using FIG. 12 and the position of the range of 180 degrees or less than 270 degrees and And / or the sprinkling hole 20 is formed in a straight line at a position in the range of 270 degrees or more and less than 360 degrees.

Next, a conventional local irrigation method using the irrigation tube 200 that performs irrigation through the drip number of the drop hole 210 using FIGS. 20 (a) and 20 (b) will be described. 20 (a) shows a state in which the irrigation tube 200 is placed in contact with the culture medium 120 at substantially the center of the crop 110 row. As shown in the figure, when water is discharged from the drop hole 210 in the watering through the drop water, the drop of water is only dropped directly below it is to perform local watering.

Therefore, in the conventional watering through drip water, the range in which the drip penetrates is limited to the range in which the drip penetrates in the cultivation medium, so that it is sufficient to just place only the center of the crop 110 as shown in FIG. 20 (a). Can not be watered. Therefore, it is necessary to install the watering tube 200 in at least each of the rows of the crops 110.

In addition, in the early stages of cultivation before crops take root in a wide range of cultivation medium, if water does not penetrate the wide range of cultivation medium, there is a need for watering the crops that are located in the range where water does not penetrate. This is very cumbersome.

In addition, in the irrigation through the drop water, since the point score is repeatedly dropped in the same region of the culture medium, the dropping position is lost and a specific water passage is formed. As a result, there is a problem that the penetration of water into the culture medium becomes more uneven. For this reason, it is very difficult to spray evenly over the wide range of culture medium by dripping through the conventional drip water.

On the other hand, in the watering method of the present embodiment shown in Figs. 19A and 19B, the sprinkling water which can evenly spray the vicinity described using Figs. 8 to 11C in the above embodiment. It is a method of using the irrigation tube 2 which has the ball 20.

Therefore, as shown in the drawing (a), by placing one irrigation tube 2 at the center of the rows of crops 110, sufficient watering can be uniformly performed for both crops 110. In addition, sufficient watering can be uniformly performed for each of the crops 110 in each row as shown in FIG. Therefore, even when used as a watering method to the crops 110 in the early stage of cultivation before rooting in a wide range, watering through manual labor is unnecessary.

In addition, since the emergency water (spray water) from the water sprayer 20 collides in the vicinity of the water sprayer 20 and becomes a mist type micro water droplet, the water hammer pressure on the culture medium 120 is very weak compared to the drip water. Become. Therefore, the spraying may be repeatedly performed to solve a problem of the watering method through the drip water, in which a specific area of the culture medium 120 is dug and water passages are generated, resulting in uneven penetration of the emergency water into the medium.

As described above, the local watering method using the watering tube of the present embodiment can uniformly water a large area in the vicinity of the watering tube at a low watering height. Therefore, the present invention can be suitably used for growing crops in a very narrow range, such as a method of growing crops in a width of about 30 cm, which is popular in recent years for the purpose of reducing labor force.

In addition, when a method of irrigating the crops which do not like fine water droplets floating in the air or the crops with limited watering width downward than the horizontal plane of the emergency water flow using a conventional water sprayer or dripping water, Although there is a problem with the panel, when the X-drilled sprinkler is used as in the present embodiment, since the medium is almost not dug, the problem can be solved.

In addition, this invention is not limited to each embodiment mentioned above, A various change is possible within the scope of this invention.

As mentioned above, the sprinkler of this invention has the adjacent sprinkling hole formed so that the centerline may cross on the side which makes water fly by water pressure.

Accordingly, it is possible to provide a sprinkler that enables uniform sprinkling from a location near the sprinkler to a wider area without increasing the sprinkling height by atomizing the water droplet of the non-water and changing it into a mist type micro-water droplet. Effect.

The watering tube of the present invention has a neighboring sprinkling hole formed so that its centerline crosses on the side where water is discharged by hydraulic pressure.

Accordingly, it is possible to provide a sprinkling tube that enables uniform sprinkling from a location near the sprinkler to a larger area without increasing the sprinkling height by atomizing the water droplets of the non-water and changing them into a mist type micro-water droplet. Effect.

The watering tube of the present invention has a neighboring watering hole formed so that the emergency water collides on the side of watering the water from the watering tube by the water pressure when the water is made to emergency at a pressure of 0.2 MPa.

Accordingly, the water pressure of the degree used for the irrigation work for plant cultivation is used, thereby achieving the effect of providing a water spray body that enables uniform watering from a position near the water spray body to a wide area at a low watering height.

It is preferable that the inclined surface which changes the emergency direction to the radial direction of the water by water pressure is formed in the opening wall surface of the said adjacent watering hole.

This achieves the effect of providing a sprinkler which enables uniform sprinkling from a location near the sprinkler to a wider area at a lower sprinkling height.

The thickness of the tube in the plane of the neighboring sprinkler is referred to as L, and if the height from the sprinkling side and the opposite tube surface to the intersection of the centerline of the neighboring sprinkler is H, 0.5 × L <H <L + 50 mm … (One)

It is desirable to satisfy the relationship.

As a result, it is possible to more reliably perform uniform watering from a position near the watering body to a wide area.

The watering tube of the present invention may be configured by combining the neighboring sprinkler and another sprinkler.

As a result, a wider watering area can be secured through a smaller number of watering holes than in the prior art.

Specific embodiments or examples made in the detailed description of the invention are intended to clarify the technical details of the present invention, and are not to be construed as limited to such specific examples, and the spirit of the present invention and the claims set forth below Various changes can be carried out within.

Claims (17)

In the spray body comprising a plurality of spray holes, A water spray body, characterized in that it has a neighboring water hole formed so that the center line crosses the water to escape the water by hydraulic pressure. The water spray body according to claim 1, wherein a diameter R of a perforated outer circumferential circle having a smaller size in the neighboring water sprayer is 0.05 mm or more and 2.0 mm or less. The water spray body according to claim 1, wherein a distance D of the neighboring water sprayers is 0 mm or more and 20 mm or less. The water spray body according to claim 1, wherein an angle (X) formed between the center line of the neighboring water sprayer and the surface of the water escape side is 20 ° or more and 80 ° or less. The spraying body according to claim 1, wherein the number of neighboring spraying holes is even. In the manufacturing method of the water spray body which has a some water hole, A method for producing a water spray body, characterized in that for forming the neighboring water spray holes so that the center line crosses on the side of the water to escape the water. In a watering tube having a plurality of spray holes, An irrigation tube, characterized in that it has a neighboring water hole formed to cross the center line on the side to discharge the water by hydraulic pressure. In a watering tube having a plurality of spray holes, A watering tube, characterized in that it has a neighboring water hole formed so that the emergency water collides from the watering tube to the water emergency side by the hydraulic pressure in the case of water emergency at 0.2MPa water pressure. The watering tube according to claim 7 or 8, wherein an inclined surface that changes the emergency direction in the radial direction of the water in accordance with the water pressure is formed on the opening wall surface of the adjacent watering hole. The method according to claim 7 or 8, wherein the neighboring sprinkler is the thickness of the tube in the planar state L, and the height from the tube surface on the opposite side to the intersection of the center line of the neighboring sprinkler is H, 0.5 × L <H <L + 50 mm (One) Irrigation tube, characterized in that to satisfy the relationship. The watering tube according to claim 7 or 8, wherein a diameter (R) of a perforated outer circumferential circle having a smaller size in the neighboring watering hole is 0.05 mm or more and 2.0 mm or less. The watering tube according to claim 7 or 8, wherein the distance D of the neighboring water sprayer is 0 mm or more and 20 mm or less. The watering tube according to claim 7 or 8, wherein an angle (X) formed between the centerline of the neighboring water sprayer and the surface of the water-flushing side is 20 ° or more and 80 ° or less. The irrigation tube according to claim 7 or 8, wherein the number of neighboring sprinkler holes is even. In the manufacturing method of the watering tube which has a some water hole, A watering hole is formed from the diagonal direction with respect to the watering tube of a planar state, A method for producing a watering tube, characterized in that for forming a watering hole adjacent to the center line to cross the water to escape the water by hydraulic pressure. The method for manufacturing a watering tube according to claim 15, wherein the watering hole is formed by irradiating a laser beam. An irrigation tube having a plurality of water holes and having a neighboring water hole formed so that its center line intersects on the side where water is discharged by water pressure, or It is carried out using a watering tube having a neighboring watering hole which has a plurality of watering holes and formed to collide with the water which emerged from the watering tube from the watering tube to the watering side by water pressure in case of water emergency with a water pressure of 0.2MPa. Tax-cooling method characterized by the above-mentioned.

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