FR2525496A1 - Self regulating irrigation drip-feed - has circular labyrinth with radial passage and flexible elastic metering diaphragm - Google Patents

Self regulating irrigation drip-feed - has circular labyrinth with radial passage and flexible elastic metering diaphragm Download PDF

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Publication number
FR2525496A1
FR2525496A1 FR8207192A FR8207192A FR2525496A1 FR 2525496 A1 FR2525496 A1 FR 2525496A1 FR 8207192 A FR8207192 A FR 8207192A FR 8207192 A FR8207192 A FR 8207192A FR 2525496 A1 FR2525496 A1 FR 2525496A1
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France
Prior art keywords
labyrinth
flexible elastic
semi
water
radial passage
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Granted
Application number
FR8207192A
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French (fr)
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FR2525496B1 (en
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Priority to FR8207192A priority Critical patent/FR2525496B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • A01G25/023—Dispensing fittings for drip irrigation, e.g. drippers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion

Abstract

The self-regulating drip feed delivers predetermined quantities of water onto an irrigation zone using a semi-laminar and semi-turbulent hydraulic system. It comprises a circular labyrinth (8) in a concentric zigzag pattern (12,13,14), followed by a direct radial passage (15) connecting the periphery (17) to the distribution orifice (10). A flexible elastic diaphragm has one face (16') working against the labyrinth, and the other (16) against the water inlet (4). The base (1) of the unit can have a profiled nozzle (2) for insertion in the water supply pipe.

Description

L'objet de l'invention concerne un dispositif autoréqulateur agricole pour la distribution goutte à goutte destiné à l'irrigation des terres. The object of the invention relates to an agricultural self-leveling device for drip distribution intended for land irrigation.

Il est destiné à assurer la répartition de quantité
d'eauprédéterminée volumétriquement et d'une façon continue sur
les espaces à arroser.It is intended to ensure the distribution of quantity
predetermined volume of water volumetrically and continuously over
spaces to water.

Il est connu d'utiliser des goutteurs autorégulants.  It is known to use self-regulating drippers.

Les uns sont à autorégulation proportionnelle qui s'effectue à partir d'un seuil élevé de 1,5 bar jusqu'à 4 bars avec un régime laminaire. Les autres sont à régulation alternative régulant depuis 0,5 bars, mais entre 3 et 4 bars la dispersion des résultats est importante car le régime est turbulent.Some are proportional self-regulation which is carried out from a high threshold of 1.5 bar up to 4 bar with a laminar regime. The others are with alternative regulation regulating from 0.5 bars, but between 3 and 4 bars the dispersion of the results is important because the regime is turbulent.

L'objet de l'invention supprime ces inconvénients et permet d'équilibrer la plage de régulation tout en l'élevant de à à 6 bars en utilisant un régime hydraulique à la fois semi laminaire et semi turbulent. The object of the invention eliminates these drawbacks and makes it possible to balance the regulation range while increasing it from to to 6 bars by using a hydraulic regime which is both semi-laminar and semi-turbulent.

Il se caractérise par la combinaison d'un labyrinthe en chicane circulaire avec échancrure radiale de circuit direct imprimée sur sa face de contact et d'une membrane mobile et souple, élastique et déformable sous l'effet de la pression d'eau qui la fait plaquer contre le labyrinthe. It is characterized by the combination of a labyrinth in circular baffle with radial notch of direct circuit printed on its contact face and a mobile and flexible membrane, elastic and deformable under the effect of the water pressure which makes it press against the labyrinth.

Sur les dessins annexés donnés à titre d'exemple non limitatif d'une des formes de réalisation de l'objet de l'invention, la figure 1 représente, vu en élévation et en coupe, le dispositif dans son ensemble. La figure 2 montre le détail constructif du labyrinthe caractérisant l'invention. In the accompanying drawings given by way of nonlimiting example of one of the embodiments of the object of the invention, FIG. 1 represents, seen in elevation and in section, the device as a whole. Figure 2 shows the constructive detail of the labyrinth characterizing the invention.

Le distributeur goutte à goutte est constitué figure 1 par une base 1 comportant à sa partie axiale un élément d'ajutage profilé et tubulaire 2 qu'on introduit dans une canalisation d'alimentation 3 afin d'ancrer une jonction étanche
Ce conduit 4 débouche dans une capacité 5 étanchéisée par un couvercle ou carter 6 dont le parement infèrieur 7 comporte gravé un labyrinthe circulaire 8 figure 2.The drip dispenser is constituted in FIG. 1 by a base 1 comprising at its axial part a profiled and tubular nozzle element 2 which is introduced into a supply pipe 3 in order to anchor a tight junction
This conduit 4 opens into a capacity 5 sealed by a cover or casing 6 whose lower facing 7 has etched a circular labyrinth 8 in FIG. 2.

Dans l'axe de ce labyrinthe est disposé le conduit d'écoulement 9 dont la base 10 est de diamètre réduit. In the axis of this labyrinth is disposed the flow conduit 9, the base 10 of which is of reduced diameter.

Dans la capacité 5 est placée une membrane souple élastique et déformable 11. In capacity 5 is placed a flexible elastic and deformable membrane 11.

Le labyrinthe 8 est réalisé par un flasque comportant une série de gorges circulaires concentriques 12, 13, 14 et autres.  The labyrinth 8 is produced by a flange comprising a series of concentric circular grooves 12, 13, 14 and the like.

Urne lare échancrure radiale 15 relie la périphérie à l'orifice d'écoulement 10
Le parement supèrieur ].6' de la membrane 11 entre progressivement en contact avec le labyrinthe 8.Large radial indentation urn 15 connects the periphery to the flow orifice 10
The upper facing] .6 'of the membrane 11 progressively comes into contact with the labyrinth 8.

C'est la combinaison des effets du labyrinthe en chicane 8 du circuit direct 15 et de la membrane élastique déformable sous l'effet de la pression d'eau subie par la face 16 que se caractérise 1' invention. It is the combination of the effects of the baffle labyrinth 8 of the direct circuit 15 and of the elastic membrane deformable under the effect of the water pressure undergone by the face 16 that the invention is characterized.

Le circuit direct 15 10 est ouvert à faible pression et s'obture progressivement au fur et à mesure que la pression augmente. The direct circuit 15 10 is open at low pressure and gradually closes as the pressure increases.

Sous l'effet de la pression d'eau,la membrane obture ce circuit 15 et seui le labyrinthe assure l'écoulement de la périphérie 17 vers le centre 10. Under the effect of the water pressure, the membrane closes this circuit 15 and only the labyrinth ensures the flow from the periphery 17 to the center 10.

C'est la conjugaison de ces deux circuits qui assure avec une précision maximale la régulation proportionnelle du goutte à goutte de 0,4 " 6 bars. It is the combination of these two circuits which ensures with maximum precision the proportional regulation of the drip of 0.4 "6 bars.

Ce distributeur permet l'utilisation de rampes d'adductions plus larges pour un diamètre nominal elevé ce qui abaisse le prix de revient du coût des installations à l'hectare. This distributor allows the use of wider supply ramps for a high nominal diameter which lowers the cost price of the cost of installations per hectare.

Il corrige automatiquement des baisses de pressions importantes qui se produisent dans les conduits alimentant plusieurs distributeurs. It automatically corrects significant pressure drops that occur in the conduits supplying several distributors.

I1 assure un débit uniforme quel que soit le nombre et l'écartement des positionnements sur un même conduit. I1 ensures a uniform flow regardless of the number and spacing of the positions on the same duct.

Toutefois les formes, dimensions et dispositions des différents éléments pourront varier dans la limite des équivalents comme d'ailleurs les matières utilisées pour leur fabrication, sans changer pour cela la conception générale de l'invention qui vient d'être décrite.  However, the shapes, dimensions and arrangements of the various elements may vary within the limit of the equivalents, as moreover the materials used for their manufacture, without thereby changing the general conception of the invention which has just been described.

Claims (4)

REVENDICATIONS 10 Dispositif autorégulant pour distributeur soulte à goutte destiné à assurer la répartition de quantités prédéterminées d'eau sur une zone d'irrigation par application d'un régime hydraulique semi laminaire et semi turbulent, se caractérisant par la combinaison d'obord d'un labyrinthe (8) en chicane circulaire concentrique (12, 13, 14) ensuite avec un circuit direct radial (15) raccordant la périphérie (17) avec l'orifice de distribution (10) et enfin avec une membrane souple élastique et déformable dont une face (16') entre en contact avec le labyrinthe (8) et l'autre face (16) avec l'admission d'eau 4. 10 Self-regulating device for drop-in distributor intended to ensure the distribution of predetermined quantities of water over an irrigation zone by application of a semi-laminar and semi-turbulent hydraulic regime, characterized by the first combination of a labyrinth (8) in concentric circular baffle (12, 13, 14) then with a direct radial circuit (15) connecting the periphery (17) with the dispensing orifice (10) and finally with a flexible elastic and deformable membrane, one face (16 ') comes into contact with the labyrinth (8) and the other face (16) with the water inlet 4. 20 Dispositif suivant la revendication 1 se caractérisant par le fait que la base (1) du distributeur goutte à goutte comporte en sa partie axiale un élément d'ajutage profilé (2) et tubulaire, qu'on introduit dans la conduite d'adduction d'eau (3). 20 Device according to claim 1 characterized in that the base (1) of the drip dispenser comprises in its axial part a profiled and tubular nozzle element, which is introduced into the supply line d water (3). 30 Dispositif suivant la revendication 1 se caractérisant par le fait que le conduit (4) débouche dans la capacité (5) étanchéisée par le couvercle (6) dont le parment interne comporte un labyrinthe circulaire (8). 30 Device according to claim 1 characterized in that the conduit (4) opens into the capacity (5) sealed by the cover (6) whose inner face comprises a circular labyrinth (8). 40 Dispositif suivant la revendication 1 se caractérisant parr le fait que dans l'axe du labyrinthe (8) est disposé un orifice d'évacuation (9) à diamètre d'écoulement inférieur réduit. 40 Device according to claim 1, characterized in that in the axis of the labyrinth (8) is disposed an evacuation orifice (9) with reduced lower flow diameter. 50 Dispositif suivant la revendication 1 se caractérisant par le fait que dans la capacité (3) est positionnée une membrane souple élastique et déformable (11) dont le parement inférieur (lo) est orienté vers l'admission (4) et le parement supérieur (16') vers le labyrinthe (8).  50 Device according to claim 1 characterized in that in the capacity (3) is positioned a flexible elastic and deformable membrane (11) whose lower facing (lo) is oriented towards the inlet (4) and the upper facing ( 16 ') to the labyrinth (8).
FR8207192A 1982-04-23 1982-04-23 AGRICULTURAL SELF-REGULATING DEVICE FOR DRIP DISPENSERS Expired FR2525496B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8207192A FR2525496B1 (en) 1982-04-23 1982-04-23 AGRICULTURAL SELF-REGULATING DEVICE FOR DRIP DISPENSERS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8207192A FR2525496B1 (en) 1982-04-23 1982-04-23 AGRICULTURAL SELF-REGULATING DEVICE FOR DRIP DISPENSERS

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FR2525496A1 true FR2525496A1 (en) 1983-10-28
FR2525496B1 FR2525496B1 (en) 1988-03-04

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2687540A1 (en) * 1992-02-26 1993-08-27 Naan Irrigation Systems Drop (drip) irrigation apparatus
US5413282A (en) * 1993-10-28 1995-05-09 James Hardie Irrigation, Inc. Pressure compensating emitter with shut down flush
EP3342279A4 (en) * 2015-08-27 2019-03-27 Enplas Corporation Emitter and drip irrigation tube

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112205282B (en) * 2020-11-12 2021-10-01 中国水利水电科学研究院 Drip irrigation emitter and drip irrigation system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024670A2 (en) * 1979-09-04 1981-03-11 Dan Bron A self-regulating constant output nozzle for a supply line

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024670A2 (en) * 1979-09-04 1981-03-11 Dan Bron A self-regulating constant output nozzle for a supply line

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2687540A1 (en) * 1992-02-26 1993-08-27 Naan Irrigation Systems Drop (drip) irrigation apparatus
ES2064257A2 (en) * 1992-02-26 1995-01-16 Naan Irrigation Systems Drip irrigation apparatus
US5443212A (en) * 1992-02-26 1995-08-22 Naan Irrigation Systems Drip irrigation apparatus
US5413282A (en) * 1993-10-28 1995-05-09 James Hardie Irrigation, Inc. Pressure compensating emitter with shut down flush
EP3342279A4 (en) * 2015-08-27 2019-03-27 Enplas Corporation Emitter and drip irrigation tube
US11044856B2 (en) 2015-08-27 2021-06-29 Enplas Corporation Emitter and drip irrigation tube

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Publication number Publication date
FR2525496B1 (en) 1988-03-04

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