EP3899278A1 - Système de pompe - Google Patents

Système de pompe

Info

Publication number
EP3899278A1
EP3899278A1 EP19832092.1A EP19832092A EP3899278A1 EP 3899278 A1 EP3899278 A1 EP 3899278A1 EP 19832092 A EP19832092 A EP 19832092A EP 3899278 A1 EP3899278 A1 EP 3899278A1
Authority
EP
European Patent Office
Prior art keywords
hose
atomizer
nozzle
pump
pump system
Prior art date
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
EP19832092.1A
Other languages
German (de)
English (en)
Other versions
EP3899278B1 (fr
Inventor
Sebastian Mangold
Manuel FIESEL
Leon LUCK
Björn FREISINGER
Tanja MESSMER
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.)
J Wagner GmbH
Original Assignee
J Wagner 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.)
Filing date
Publication date
Application filed by J Wagner GmbH filed Critical J Wagner GmbH
Publication of EP3899278A1 publication Critical patent/EP3899278A1/fr
Application granted granted Critical
Publication of EP3899278B1 publication Critical patent/EP3899278B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
    • F04B43/1261—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing the rollers being placed at the outside of the tubular flexible member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
    • B05B9/0423—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material for supplying liquid or other fluent material to several spraying apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/085—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump
    • B05B9/0872—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being a peristaltic pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/1238—Machines, pumps, or pumping installations having flexible working members having peristaltic action using only one roller as the squeezing element, the roller moving on an arc of a circle during squeezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
    • F04B43/1292—Pumps specially adapted for several tubular flexible members

Definitions

  • Electrohydrodynamic atomization of fluids is becoming increasingly important in the field of coating processes.
  • a device is known from PCT / EP2018 / 060117 which, using electrohydrodynamic atomization, e.g. Applying care products such as sunscreen to a person's body.
  • Peristaltic pumps so-called roller pumps or peristaltic pumps
  • a fluid is pressed forward by mechanical deformation of a hose section and is thus pumped.
  • Pumps of this type are also used in the above-mentioned devices in order to convey a fluid to be atomized to the atomizer nozzles, at which the fluid is then subjected to a high voltage in order to bring about the electro-hydrodynamic atomization.
  • volume flow through the pump is applied to the remaining open nozzles.
  • the object of the invention is therefore, starting from one
  • Fluid tank for several nozzles to clog the nozzles avoid in order to enable electrohydrodynamic atomization in the required quality.
  • the invention relates to a pump system for a
  • Atomizer nozzle system with at least two atomizer nozzles, in particular for an electrohydrodynamic atomizer, the pump system comprising at least one hose package and at least one pump rotor and at least one roller body for forming a roller region of a peristaltic pump.
  • the pump system is characterized in that the hose package comprises at least the same number of hose channels as the number of atomizing nozzles, preferably at least two, in particular three hose channels, and that each hose channel has one
  • Connection is assigned to an atomizer nozzle and connects it to the rolling area.
  • each individual atomizer nozzle with its own hose channel forces a volume flow through each individual atomizer nozzle, so that in the event of an onset of blockage, the subsequently conveyed volume of the fluid unites
  • Hose packages can be easily provided in the device without the need to run individual hoses.
  • a preferred embodiment provides that everyone
  • Hose channel connects a fluid tank through the rolling area with an atomizer nozzle directly.
  • each nozzle is supplied with fluid from the fluid tank directly, without the need for a hydraulic one
  • predetermined volume flow is forced at each individual atomizer nozzle, which leads to reliable electrohydrodynamic atomization.
  • an embodiment provides that a
  • a division into at least two, preferably three or more hose channels is formed in front of the rolling area and these hose channels through the rolling area up to a respective atomizer nozzle assigned to the respective hose channel
  • Rolling area must be provided. In the rolling area, in which the delivery pressure for the application of the individual
  • Atomizer nozzles are generated must then be separate
  • Hose channels are provided so that a division, for example by Y elements or the like, takes place beforehand.
  • An advantageous further development also provides that at least one atomizer nozzle with at least two
  • Hose channels is connected.
  • each hose channel promoting a defined fluid volume, increased process reliability and error avoidance in electrohydrodynamic atomization can be achieved, since smaller cross-sections can be used and redundancies are achieved.
  • smaller hose diameters e.g. tighter bending radii can be realized in the housing, which gives the design freedom of the
  • At least two, preferably three, in particular four rolling elements are in the
  • each rolling element is individually assigned to at least one hose channel.
  • Rolling element groups the rolling element groups having several
  • Rolling elements include, for each hose channel an offset of the rolling movements between the hose channels can be generated by the individual groups of rolling elements e.g.
  • a further expedient embodiment provides that at least two, preferably three pump rotors are formed are, wherein each pump rotor moves at least one rolling element or at least one rolling element group and is assigned to at least one hose channel.
  • the invention further provides a method for operating an electrohydrodynamic atomizer, the atomizer
  • atomizer nozzles Includes atomizer nozzles, and includes a pump system according to the invention described above and each via the pump system
  • a defined volume flow of a fluid is forced onto the atomizing nozzle.
  • Electrohydrodynamic atomization is based on the
  • An expedient development of the method is characterized in that a hydraulically generated free jet in the form of a fluid column is created at the outlet of an atomizer nozzle, which atomization occurs only after a free jet area through electrohydrodynamic interaction
  • Electrohydrodynamic interactions develop more degrees of freedom, so that there is a finer atomization outside the previously geometrically defined nozzle channel.
  • a fluid channel in the atomizer nozzle of 3 mm to 15 mm, preferably in the region of an insulator, a free jet of 10 mm to 15 mm.
  • the fluid is brought far in front of the nozzle opening, and the atomization process can develop freely in relation to the surroundings, the direction of the atomization being determined by the
  • Output of the fluid flow is predetermined.
  • a hose package in the sense of the invention is understood to mean any accumulation of hoses that can be used in a peristaltic pump (roller pump). It is irrelevant whether the hose package is designed as a jointly extruded multi-channel hose or as a combination of individual hoses.
  • a purap system in the sense of the invention also includes the necessary hoses, since in the case of a peristaltic pump (roller pump) the pump volume is given by the tube section which is processed by the roller bodies by one contained therein
  • Fig.l is an exploded view of a
  • FIG. 2 shows a plan view of a peristaltic pump with a visible rolling area
  • FIG. 3 shows a cross section through a hose package
  • FIG. 4a shows a schematic illustration of a free jet from a nozzle opening
  • B shows a schematic illustration of a free jet from a cylindrical atomizing nozzle
  • 4c shows a schematic representation of a free jet from a conical atomizing nozzle.
  • Peristaltic pump It consists of a pump housing a motor 3 is arranged from an upper housing section 1 and a lower housing section 2.
  • the motor 3 has on its output shaft a gear arrangement 4 which drives a rolling element group 5 shown here.
  • Rolling element group 5 in the present case comprises four rolling elements 6 which are rotatably arranged on a pump rotor 7.
  • Such peristaltic pumps / peristaltic pumps are known from the prior art for use with individual tubes.
  • FIG. 10 A corresponding peristaltic pump 10 is shown in FIG.
  • roller bodies 6 arranged on the pump rotor 7 deform a hose channel 22 (shown schematically as a line) in a roller region 21 in order to pump a fluid by pumping.
  • a hose channel 22 shown schematically as a line
  • Hose channel 22 runs through a pump inlet 23 into the housing 1, 2 through the rolling region 21 (dashed lines
  • hose channel 22 continues in the direction of an atomizing nozzle (not shown) assigned to it.
  • the pump inlet 23 leads the hose channel 22 in the direction of the fluid tank (not shown), either a single hose channel 22 reaching to the fluid or a plurality of hose channels being brought together to form a single fluid tank hose (not shown).
  • Hose guides 25 and 26 are preferably provided for guiding a plurality of hose channels in the rolling region 21, wherein
  • Housing section 2 are arranged, and a hose guide (not shown) for the hose channel 22 in the upper
  • Housing section 1 can be arranged. At the pump outlet 24, the multiple hose channels can then be executed together, or there are corresponding multiple hose guides (not shown) for the individual ones
  • Figure 3 shows a hose package 30, as in a
  • the hose package 30 comprises a first hose channel 31, a second hose channel 32 and a third hose channel 33, which in the present case are connected to one another via connecting webs 34.
  • a hose package 30 are produced, for example, in the extrusion process and may well also have further hose channels or in a different geometry of hose channels, e.g. be arranged in a triangular or square shape.
  • Exemplary dimensions can be specified as follows, the dimensions depending on the application and / or installation space and the fluid to be transported can be varied.
  • the hose channels 31, 32 and 33 have a diameter in cross section of 0.7 mm and a wall thickness of 0.6 mm.
  • the webs 34 in turn have a width as a distance between the tubes of 0.2 mm and a thickness of
  • FIG. 4a to 4c show different variants of the
  • FIG. 4a shows a schematic illustration, in which the atomizer nozzle through a nozzle opening 40 in a nozzle body 41 is formed. Due to the hydraulic pump pressure of the pump system according to the invention, a fluid 42 is symmetrical about a central axis 43 through the nozzle opening 40
  • Exit nozzle opening 40 as a columnar free jet 44.
  • the free jet 44 emerges over a free jet length 45 essentially as a fluid column, the only starting from a distance 46
  • Atomizing effect 47 uses the electrohydrodynamic atomizer.
  • FIG. 4b there is a cylindrical nozzle attachment on the nozzle body 51
  • the hydraulically conveyed fluid 55 flows through the nozzle body 51, the cylindrical nozzle attachment 52 and forms via a
  • the atomizer nozzle therefore comprises a hydraulic section 60, which extends from the length 61 of the cylindrical
  • Nozzle attachment 52 and the length of the free jet 56 is composed. To generate the electrohydrodynamic atomization is on
  • the input of the cylindrical nozzle attachment 52 provides the coupling of a high voltage 62. In principle, however, it is conceivable to introduce the high voltage elsewhere in order to achieve the electrohydrodynamic atomization.
  • a conical nozzle attachment 72 is provided on the nozzle body 71 to form an atomizer nozzle 70. At the end of the conical
  • Nozzle attachment 72 is provided with a nozzle opening 74 which is symmetrical about a central axis 73.
  • the hydraulically conveyed fluid 75 flows through the nozzle body 71
  • cylindrical nozzle attachment 72 and forms a
  • a conical hydraulic section 80 which is composed of the length 81 of the conical nozzle attachment 72 and the length of the free jet 76.
  • electrohydrodynamic atomizer in which the atomizing effect is improved by the hydraulic generation of a free jet, in particular the atomizing effect only occurs after a free jet length 45, 56, 76 after emerging from a nozzle opening.
  • Variant 2 of the formation of a hydraulically generated free jet in front of an atomizer nozzle is

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Nozzles (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Special Spraying Apparatus (AREA)

Abstract

La présente invention concerne un système de pompe pour un système de buses pour brumisateur comprenant au moins deux buses pour brumisateur, en particulier pour un brumisateur électrohydrodynamique, ainsi qu'un procédé de fonctionnement d'un brumisateur électrohydrodynamique, ledit système de pompe comportant au moins un ensemble de tuyaux flexibles, ainsi qu'au moins un rotor de pompe (7) et au moins un élément roulant (6) pour former une zone de roulement d'une pompe péristaltique, l'ensemble de tuyaux flexibles comportant au moins le même nombre de canaux de tuyau flexibles que le nombre de buses pour brumisateur et chaque canal de tuyau flexible étant affecté à une buse pour brumisateur et raccordant ladite buse à la zone de roulement.
EP19832092.1A 2018-12-21 2019-12-19 Système de pompe Active EP3899278B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018133406 2018-12-21
PCT/EP2019/086285 WO2020127715A1 (fr) 2018-12-21 2019-12-19 Système de pompe

Publications (2)

Publication Number Publication Date
EP3899278A1 true EP3899278A1 (fr) 2021-10-27
EP3899278B1 EP3899278B1 (fr) 2023-09-27

Family

ID=69105838

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19832092.1A Active EP3899278B1 (fr) 2018-12-21 2019-12-19 Système de pompe

Country Status (7)

Country Link
US (1) US20220023898A1 (fr)
EP (1) EP3899278B1 (fr)
JP (1) JP2022515785A (fr)
KR (1) KR20210106543A (fr)
CN (1) CN113439162B (fr)
DE (1) DE102019135149A1 (fr)
WO (1) WO2020127715A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2076476A (en) * 1980-05-08 1981-12-02 Warner Lambert Uk Ltd Peristaltic fluid-machines
US9909579B2 (en) * 2014-06-09 2018-03-06 Blue-White Industries, Ltd. Overmolded tubing assembly and adapter for a positive displacement pump
GB2494623B (en) * 2011-09-02 2013-09-25 Tristel Plc Pump apparatus
DE102013101157B4 (de) * 2013-02-06 2015-06-18 Miele & Cie. Kg Dosiereinrichtung für Flüssigmittel
KR102534696B1 (ko) * 2017-04-21 2023-05-22 요트. 바그너 게엠베하 액체용 정전기 분무기 및 정전기 분무기의 동작 방법
EP3612316B1 (fr) * 2017-04-21 2023-05-10 J. Wagner GmbH Pulvérisateur électrostatique pour pulvériser des liquides

Also Published As

Publication number Publication date
CN113439162B (zh) 2023-12-15
CN113439162A (zh) 2021-09-24
DE102019135149A1 (de) 2020-06-25
WO2020127715A1 (fr) 2020-06-25
KR20210106543A (ko) 2021-08-30
JP2022515785A (ja) 2022-02-22
US20220023898A1 (en) 2022-01-27
EP3899278B1 (fr) 2023-09-27

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