EP2181772A1 - Dispositif d'irrigation - Google Patents

Dispositif d'irrigation Download PDF

Info

Publication number: EP2181772A1
Authority: EP; European Patent Office
Prior art keywords: irrigation device; liquid jet; liquid; functional surface; guide channels
Prior art date: 2007-03-07
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP10000556A

Other languages

German (de)

English (en)

Other versions

EP2181772B1 (fr

Inventor

Christoph Schiedt

Thomas Renner

Reiner Frey

Eugen Bischler

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Gardena Manufacturing GmbH

Original Assignee

Gardena Kress and Kastner GmbH

Gardena Manufacturing GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2007-03-07

Filing date

2008-03-06

Publication date

2010-05-05

2008-03-06 Application filed by Gardena Kress and Kastner GmbH, Gardena Manufacturing GmbH filed Critical Gardena Kress and Kastner GmbH

2008-03-06 Priority to PL10000556T priority Critical patent/PL2181772T3/pl

2010-05-05 Publication of EP2181772A1 publication Critical patent/EP2181772A1/fr

2012-05-09 Application granted granted Critical

2012-05-09 Publication of EP2181772B1 publication Critical patent/EP2181772B1/fr

Status Active legal-status Critical Current

2028-03-06 Anticipated expiration legal-status Critical

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Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
- B05B1/262—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors
- B05B1/267—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors the liquid or other fluent material being deflected in determined directions
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
- B05B3/0417—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet comprising a liquid driven rotor, e.g. a turbine
- B05B3/0432—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet comprising a liquid driven rotor, e.g. a turbine the rotation of the outlet elements being reversible

Definitions

the invention relates to an irrigation device for irrigating vegetation with a liquid, wherein the irrigation device is designed for stationary operation, with an exit nozzle from which the liquid emerges in operation in the form of a liquid jet in an exit direction and a control deflector, the control deflector being aligned in the exit direction the liquid jet can be arranged and is adapted to influence the direction of the liquid jet.
Such irrigation devices are known from the prior art. They are used to water plants and lawns in gardens.
the generically provided control deflectors are used in such irrigation devices to reduce the throw distance, so that even a short range around the irrigation device can be irrigated around.
the control deflectors known from the prior art are planar deflector surfaces which can be adjusted in a preferably adjustable manner Beam path of the liquid jet can be engaged to affect its direction or the direction of a portion of the liquid.
the liquid jet is usually slightly fanned out at the outlet from the outlet nozzle, in particular in the vertical direction, so that the throwing distance is not uniform, but an annular surface is supplied with liquid.
a lawn sprinkler in which a vertically emerging liquid jet is deflected by means of a rotatable sleeve while the jet simultaneously causes a rotational movement of the sleeve.
the sleeve widens at a distal end and thus allows a radial discharge of the water in a wide fanned-out form.
the object of the invention is to develop a generic irrigation device to the effect that a defined spray pattern is achieved beyond the control deflector.
control deflector is associated with a flow guide, which counteracts a fanning of the liquid jet in a horizontal extension direction transversely to the beam direction.
a flow-guiding device can be designed as a separate component and attached to the control deflector by means of fastening means.
the flow guide is formed by a corresponding shape of the control deflector.
the flow guiding device is designed in such a way that a fanning of the liquid jet is avoided by the impact of the liquid on the control deflector. Instead, the already caused by the outlet nozzle fanning either maintained or even achieved a pooling of the liquid jet over the fanning of the liquid jet to the outlet nozzle.
the defined relative position of the outlet nozzle and control deflector ensures that the effect of the control deflector on the liquid jet always remains approximately the same.
a control deflector according to the invention in irrigation devices in which the Exit direction of the liquid jet relative to a vertical main axis of the irrigation device has a radial component.
the control deflector used in irrigation devices according to this development not primarily the deflection of the liquid jet in the radial direction, since this radial component is already due to the orientation of the outlet nozzle. Instead, the throwing distance is deliberately reduced by the control deflector in order in particular to be able to supply liquid to the vicinity around the watering device.
the exit direction of the liquid jet preferably includes an angle between 30 ° and 70 ° with a vertical.
Irrigation devices in which the outlet nozzle and the control deflector are mutually positionally stable rotatable about a vertical main axis of the watering device are particularly advantageous.
the control deflector is preferably designed pivotable about a horizontal axis, wherein it is particularly advantageous if it is designed lockable in free pivot positions or in defined pivot locking positions. This allows the control deflector to be oriented differently depending on the application, so that the effect on the caused deflection angle and the proportion of the liquid jet, which is deflected by the control deflector, is occasionally adaptable.
the flow guiding device comprises a functional surface for influencing the jet direction, wherein the functional surface is preferably provided in one piece on the control deflector.
the functional surface has a shape by means of which the deflection can take place without causing a fanning of the liquid jet.
Such a designed flow guide is particularly inexpensive to manufacture, since it only requires a special shape of the control deflector.
the shaped functional surface can be integrally formed on the housing of the watering device.
the functional surface is formed uneven.
Such an uneven functional surface can be used selectively in order to influence the discharge direction of the liquid in such a way that the portion of the liquid influenced by the deflector is discharged in a defined and unexpanded manner.
At least one guide channel is provided on the functional surface, which is arranged or can be arranged such that the liquid jet emerging from the outlet nozzle enters the guide channel.
a plurality of guide channels are provided, into which the liquid jet enters.
the guide channels cause a reorientation of the liquid jet.
the expansion of the liquid jet usually caused by the impact on the control deflector is compensated for by the reorientation of the liquid in the guide channel (s).
the guide channels are designed to be open on one side, so that the liquid jet coming from the outlet nozzle can penetrate this open side.
several, in particular three or more guide channels are provided.
the guide channels are preferably formed by providing guide grooves in the functional surface or guide ribs on the functional surface are.
the guide channels formed by these guide grooves or guide ribs preferably have an average depth of at least 2 mm, in particular of at least 4 mm. This depth ensures that at least a large part of the liquid can be conducted in the guide channels.
the width of the guide channels is preferably less than 5 mm, in particular less than 3 mm. As a result, the realignment of the liquid is particularly well guaranteed.
the guide channels in the outlet direction of the liquid are aligned with each other aligned.
the liquid that enters the various guide channels is particularly effectively united by this orientation again to a new liquid jet.
a particularly advantageous embodiment provides that a Scholeitkanal is provided which extends approximately in the discharge direction of the liquid jet, and that Mauleitkanäle are provided, which are aligned in the exit direction of the liquid jet to the Hauptleitkanal and open into this.
the main guide channel preferably has a larger cross-section than the secondary guide channels.
the functional surface is preferably concave.
the liquid jet or a part thereof impinges on the flow guide device within the depression formed by the concave shaping. As a result, an expansion is counteracted.
a different degree of bundling can be achieved.
the flow guide is designed such that the beam direction is influenced only with respect to a vertical direction component.
This can be achieved, in particular, by virtue of the fact that the flow-guiding device relates to an imaginary plane, which is spanned by the axis of rotation of the watering device and the outlet direction of the liquid jet, is formed symmetrical plane.
the flow guide device has a flow guide groove extending in a main extension direction, whose main extension direction preferably spans a vertical plane with the exit direction of the liquid jet.
the Strömungsleitrinne is arranged so that the liquid jet is injected from the outlet nozzle into the channel and bounced there on the flow guide.
the channel shape prevents the jet of liquid from fanning out before it leaves the channel in a reflected manner.
the groove is preferably formed so that it runs on the vertical plane and is symmetrical to the plane.
the Strömungsleitrinne can be provided as Strömungsleitnut in a planar portion of the Steuerdeflektors.
the Strömungsleitrinne comprises two in a transition region interconnected, mutually angled leg surfaces, wherein the angle between the leg surfaces between 10 ° and 170 °, preferably between 70 ° and 110 °, in particular 90 °.
This results in a much more uniform irrigation density both in the radial direction and in the circumferential direction than in known irrigation devices.
the cross section of such Strömungsleitrinne is at least partially V-shaped, which leads to particularly positive deflection properties of Strömungsleitrinne.
the Strömungsleitrinne can be formed directly by the leg surfaces or additionally comprise a separate, preferably integrally connected to the leg surfaces component, which is arranged between the leg surfaces.
the degree of bundling can be influenced by the preferably fixed angle between the leg surfaces. The larger the angle, the less the tendency of the jet of liquid to fray. Particularly advantageous is an angle of about 90 ° has been found. In a particularly advantageous embodiment, the leg surfaces abut each other almost directly. A remaining, very small transition region is only slightly rounded for technical reasons.
the Strömungsleitrinne in the transition region has a mean inner radius of less than 6mm, preferably less than 4mm, in particular less than 1 mm. It is particularly advantageous if the cross section of the Strömungsleitrinne is circular segment-shaped and has a uniform inner radius.
the concrete choice of an inner radius depends on the amount of water that is distributed by the irrigation device.
the transition area can form a valley groove.
FIGS. 1 and 2 show a first inventive irrigation device 10.
This has an approximately cylindrical basic shape and has at its in the illustrated functional position lower end via a connecting piece 12 which is connectable to a holding device, not shown.
This holding device ensures in operation for the illustrated vertically aligned along a main axis 2 functional position.
a discharge assembly 14 Opposite at the top of a discharge assembly 14 is provided. Part of this discharge assembly 14 is a discharge nozzle 16, which is aligned in an obliquely upward direction 4.
An upper portion of the irrigation device 10 is formed rotatable relative to a lower portion about the main axis 2.
the relative movement is achieved in operation in a manner not shown by the flow of the liquid, which is passed through the irrigation device 10 from the connecting piece 12 to the discharge nozzle 16.
the covered angle range for the relative movement is adjustable by dials 18.
the relative rotation ensures that the liquid emerging through the outlet nozzle 16 is distributed in the region of a circular or circular-segment-shaped surface.
the discharge assembly 14 comprises, in addition to the discharge nozzle 16, a control deflector 30, which is pivotably connected to a housing section 20 about a horizontal pivot axis 6.
the adjustment of the swivel angle of the control deflector is done via a Justierrad 22 can be achieved, which is pivotally hinged to the housing portion 20.
the control deflector 30 can thereby be moved between an upper pivoted position in which it is not aligned in the exit direction 4 with the exit nozzle 16 and a lower pivot position in which liquid emerging from the exit nozzle 16 comes into contact with the control deflector 30.
the control deflector is in each case in its upper pivot position.
the control deflector 30 On its inner surface 40, which faces the outlet nozzle 16, the control deflector 30 is designed as a flow-guiding device 40, 42.
the inner surface 40 as part of a Strömungsleitrinne two V-shaped and arranged at an angle of about 80 ° including leg surfaces 40a, 40b. These leg surfaces 40a, 40b are connected to one another in a transition region and form a valley groove 42 there.
the irrigation fluid usually water, optionally with fertilizer additives
the outlet nozzle 16 is output in the form of a liquid jet.
This liquid jet is slightly fanned out in the horizontal direction and fanned out to a greater extent in the vertical direction.
the control deflector 30 When the control deflector 30 is set in a lower pivot position, the liquid jet bounces at an acute angle in the region of the valley groove 42 on the inner surface 40 of the control deflector 30. The irrigation liquid is thereby deflected with respect to their direction, so that the leaving the valley groove 42 in a liquid Close range around the watering device impinges on plants or lawn in the area.
the Control deflector are set so that only an upper part of the vertically fanned liquid jet impinges on the control deflector 30 and is thereby reduced in its throwing distance.
FIGS. 3a to 3c show an alternative control deflector 130. This can in the embodiment of the Figures 1 and 2 replace the control deflector 30 provided there.
This second embodiment of a control deflector has a surface portion 138 on its side facing the liquid jet, on which parallel to the outlet direction 4 of the liquid jet guide ribs 144 are provided which extend orthogonally from the surface portion 138.
These six guide ribs 144 define a total of five intermediate guide channels 142, which are aligned parallel to each other.
the guide ribs 144 are here as out Figure 3c View is formed so that they have in the direction of the exit direction 4 has a rising depth.
the guide channels 142 each have a width of about 2 mm and an exit-side depth of also about 2 mm.
the liquid jet which emerges in the direction of the outlet direction 4 from the corresponding opening of the watering device, inevitably has a slight expansion, which is reinforced in the course of the impact on the surface element 138.
the guide channels 142 compensate for this expansion by each receiving a portion of the liquid jet and realign this part of the liquid with respect to its direction of movement. Accordingly, at the exit side of the guide channels 142, the liquid exits with a largely uniform direction 5a.
FIGS. 4a to 4d Another embodiment is in the FIGS. 4a to 4d shown.
the peculiarity of this Steuerdeflektor 230 of FIGS. 4a to 4d is that although he according to the embodiments of the FIGS. 3a to 3c a plurality of guide channels 242a, 242b, but these are not formed parallel to each other, but to run towards each other. In approximately parallel to the outlet direction 4 of the liquid jet while a Scholeitkanal 242a is aligned.
a total of six secondary ducts 242b are provided, of which at least some run at an acute angle to the main duct 242a and open into it.
the guide channels each have an approximately semicircular cross-section.
the Hautleitkanal 242a has a width of about 3mm and a depth of about 1.5mm.
the Volunteerleitkanäle 242b are formed slightly smaller.
This herringbone-like structure means that the liquid jet, which has already been slightly widened as it emerges from the nozzle, which is further widened in the course of the impact on the surface element 238, is recombined to the desired extent.
the exit of the liquid at the end of the guide channels 242a, 242b in the direction 5b is consequently not only largely parallel, as in the embodiment of FIGS. 3a to 3c , but also as a largely uniform liquid jet.
FIGS. 4a to 4d Another special feature of the embodiment of the FIGS. 4a to 4d is that the guide channels 242a, 242b are not separated from each other by guide ribs, but are provided as groove-like depressions directly in the surface element 238.
it is a turbine sprinkler.
a reduction of the throwing distance can be achieved with other types of sprinklers, for example impulse sprinklers.

Landscapes

Nozzles (AREA)
Massaging Devices (AREA)
Fluid-Driven Valves (AREA)
Infusion, Injection, And Reservoir Apparatuses (AREA)
Sink And Installation For Waste Water (AREA)
Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

EP10000556A 2007-03-07 2008-03-06 Dispositif d'irrigation Active EP2181772B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
PL10000556T PL2181772T3 (pl)	2007-03-07	2008-03-06	Urządzenie nawadniające

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE102007012273A DE102007012273A1 (de)	2007-03-07	2007-03-07	Bewässerungsvorrichtung
EP08004136A EP1967279B1 (fr)	2007-03-07	2008-03-06	Dispositif d'irrigation

Related Parent Applications (2)

Application Number	Title	Priority Date	Filing Date
EP08004136 Previously-Filed-Application		2008-03-06
EP08004136.1 Division		2008-03-06

Publications (2)

Publication Number	Publication Date
EP2181772A1 true EP2181772A1 (fr)	2010-05-05
EP2181772B1 EP2181772B1 (fr)	2012-05-09

Family

ID=39338653

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP10000556A Active EP2181772B1 (fr)	2007-03-07	2008-03-06	Dispositif d'irrigation
EP08004136A Active EP1967279B1 (fr)	2007-03-07	2008-03-06	Dispositif d'irrigation

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
EP08004136A Active EP1967279B1 (fr)	2007-03-07	2008-03-06	Dispositif d'irrigation

Country Status (4)

Country	Link
EP (2)	EP2181772B1 (fr)
AT (2)	ATE556780T1 (fr)
DE (2)	DE102007012273A1 (fr)
PL (2)	PL2181772T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2651566B1 (fr) *	2010-12-16	2016-10-12	Husquarna AB	Déflecteur pour un extincteur automatique à eau
US11305304B2 (en)	2018-05-09	2022-04-19	Metzerplas Cooperative Agricultural Organization Ltd.	Rotating sprinkler

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3391868A (en)	1966-02-17	1968-07-09	Ralph D. Cooney	Rotary sprinkler with variable range
FR2346968A1 (fr) *	1976-04-07	1977-11-04	Mangon Michel	Arroseur projecteur rotatif et secteurs a grandes portees variables de liquide en brouillard continu
EP0901832A2 (fr) *	1997-09-09	1999-03-17	Dan Mamtirim	Asperseur de bande
US20060226261A1 (en)	2005-03-30	2006-10-12	Robert Rodeman	Double curved surface deflector system for rotary sprinklers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE490515C (de)		1930-01-29	Georg Bode	Bewaesserungsturbine mit rinnenaehnlichen Fluegeln
CH80782A (de)	1918-07-31	1919-09-16	Georg Chiogna	Rasensprenger
US1778994A (en) *	1929-11-06	1930-10-21	Joseph H Allen	Lawn-spray-control device
US1840721A (en) *	1930-04-03	1932-01-12	James W Ingram	Rotatable sprinkler
DE889236C (de) *	1951-08-24	1953-09-10	Karl Ludwig Lanninger	Getriebeloser Weitstrahlregner
US4984740A (en) *	1989-06-19	1991-01-15	Hodge Robert B	Water sprinkler with variable stream-distance adjustment

2007
- 2007-03-07 DE DE102007012273A patent/DE102007012273A1/de not_active Withdrawn
2008
- 2008-03-06 AT AT10000556T patent/ATE556780T1/de active
- 2008-03-06 EP EP10000556A patent/EP2181772B1/fr active Active
- 2008-03-06 EP EP08004136A patent/EP1967279B1/fr active Active
- 2008-03-06 AT AT08004136T patent/ATE483529T1/de active
- 2008-03-06 PL PL10000556T patent/PL2181772T3/pl unknown
- 2008-03-06 DE DE502008001459T patent/DE502008001459D1/de active Active
- 2008-03-06 PL PL08004136T patent/PL1967279T3/pl unknown

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3391868A (en)	1966-02-17	1968-07-09	Ralph D. Cooney	Rotary sprinkler with variable range
FR2346968A1 (fr) *	1976-04-07	1977-11-04	Mangon Michel	Arroseur projecteur rotatif et secteurs a grandes portees variables de liquide en brouillard continu
EP0901832A2 (fr) *	1997-09-09	1999-03-17	Dan Mamtirim	Asperseur de bande
US20060226261A1 (en)	2005-03-30	2006-10-12	Robert Rodeman	Double curved surface deflector system for rotary sprinklers

Also Published As

Publication number	Publication date
EP1967279A1 (fr)	2008-09-10
DE102007012273A1 (de)	2008-09-11
ATE483529T1 (de)	2010-10-15
ATE556780T1 (de)	2012-05-15
PL2181772T3 (pl)	2012-11-30
EP2181772B1 (fr)	2012-05-09
PL1967279T3 (pl)	2011-03-31
EP1967279B1 (fr)	2010-10-06
DE502008001459D1 (de)	2010-11-18

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