WO2012028169A1 - Dispositif et procédé de nettoyage d'une surface - Google Patents

Dispositif et procédé de nettoyage d'une surface Download PDF

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Publication number
WO2012028169A1
WO2012028169A1 PCT/EP2010/062619 EP2010062619W WO2012028169A1 WO 2012028169 A1 WO2012028169 A1 WO 2012028169A1 EP 2010062619 W EP2010062619 W EP 2010062619W WO 2012028169 A1 WO2012028169 A1 WO 2012028169A1
Authority
WO
WIPO (PCT)
Prior art keywords
cleaned
flow
flow guide
cleaning
outlet
Prior art date
Application number
PCT/EP2010/062619
Other languages
German (de)
English (en)
Inventor
Lothar Munder
Original Assignee
Lothar Munder
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 Lothar Munder filed Critical Lothar Munder
Priority to PCT/EP2010/062619 priority Critical patent/WO2012028169A1/fr
Priority to DE202011102092U priority patent/DE202011102092U1/de
Publication of WO2012028169A1 publication Critical patent/WO2012028169A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/14—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum cleaning by blowing-off, also combined with suction cleaning

Definitions

  • the invention relates to a device for cleaning a surface, with a cover for limiting a cleaning effective range, with an outlet for acting on the cleaning effective range with a fluid suction flow and with a arranged outside the outlet inlet for acting on the cleaning effective range with a fluid pressure stream.
  • a device for the treatment of surfaces which comprises a conical suction hood.
  • a suction pipe is connected to a central cone tip of the extraction hood. Furthermore, in an outer edge region of
  • Extraction hood Air and spray nozzles distributed along a circumference. These serve for the production of air and
  • Liquid jets which are aligned in the direction of the surface to be cleaned and at the same time inwardly towards a central axis of the suction hood.
  • the present invention has the object underlying to improve a device of the type mentioned above so that a particularly good cleaning effect is achieved if necessary without the use of a cleaning liquid.
  • Flow cross-section of the cleaning effective range in the direction from the inlet to the outlet seen at least substantially constant or decreases.
  • the device according to the invention makes it possible, the fluid,
  • Dirt particles can interact, which are deposited on the surface to be cleaned.
  • the dirt particles are, in particular, dust or hair, which can or can be removed particularly well by the device according to the invention from a surface to be cleaned.
  • the flow guide surface adjoins the inlet with an outer region or adjoins the outlet with an inner region.
  • the flow guide with his outer region adjoins the inlet and with its inner region adjacent to the outlet, so that the fluid pressure flow is guided along its entire flow path between the inlet and the outlet parallel or narrowing between the flow guide surface and the surface to be cleaned.
  • Flow cross-section in height is at least substantially constant or decreases.
  • an equally planar flow guide surface thus results in the simplest case.
  • an adjusting device for adjusting an inclination and / or a
  • Curvature of the flow guide provided. This has the advantage that the course of the height of the flow cross section is variably adjustable and thus, if necessary, the flow characteristics of the
  • the adjustment device has the advantage that the flow guide can be adjusted in its inclination and / or curvature of the inclination and / or curvature of a surface to be cleaned. In this way, it is possible to deform the flow guide surface so that they are at least largely parallel to the cleaning along their extent
  • Flow guide is formed, which for adjusting the inclination and / or the curvature of the flow guide to be cleaned Surface is at least partially deformable. It is preferred to produce the flow-guiding element from an elastically deformable material, in particular from an elastomer.
  • Cover is provided so that the flow guide is covered during a cleaning operation up from the cover.
  • a particularly simple construction of the device results, however, when the cover is effective as a flow guide.
  • Cover is in particular as described above, at least partially deformable to adapt the course of the
  • a measuring device for measuring the distance between the flow guide and the surface to be cleaned is provided. This makes it possible to move the device and / or a surface to be cleaned under
  • Flow control surface is adapted to the course of the surface to be cleaned.
  • the device is stationary and the surface to be cleaned is moved, that the surface to be cleaned is stationary and the device is moved, or that both the surface to be cleaned and the device to be moved.
  • the non-contact cleaning of a workpiece and the maintenance of a minimum distance has the additional advantage that a device surrounding the medium can be sucked from the outside in a region between an outer edge of the flow guide and the surface to be cleaned and in a turbulent flow can mix with the fluid pressure stream. This is where in the
  • the distance is one of the to be cleaned
  • the invention further relates to a method for cleaning a surface in which a cleaning effective range is limited by a cover, wherein the cleaning effective range through an outlet with a fluid suction flow and through an outside of the outlet
  • the invention is based on the further object of a method of
  • This object is achieved in that the fluid pressure flow is guided along a flow guide surface, wherein the height of a between the surface to be cleaned and the
  • Flow guide adjacent flow cross section of the Cleaning effective range seen in the direction of the inlet to the outlet at least substantially constant or decreases.
  • the fluid suction flow is many times greater than the fluid pressure flow, in particular by a factor of at least 10.
  • Preferred suction flows are for example in the range between 30 liters / sec and 150 liters / sec.
  • Preferred pressure flows are, for example, in the range between 30 liters / min and 150 liters / min (values refer to 1 bar absolute pressure).
  • the invention further relates to the use of an input
  • the invention relates to a cleaning system, which a
  • Figure 1 is a perspective view of an embodiment of a
  • FIG. 2 shows a bottom view of the device according to FIG. 1;
  • 3a shows a side view of an embodiment of a
  • FIGS. 3b to 3e of Figure 3a corresponding side views of others Embodiments of a cleaning system
  • FIG. 4 shows a side view corresponding to FIG. 3a of another
  • Embodiment Apparatus for cleaning a surface Embodiment Apparatus for cleaning a surface
  • FIG. 5 shows a bottom view corresponding to FIG. 2 of another
  • Embodiment of a device for cleaning a surface Embodiment of a device for cleaning a surface.
  • FIG. 1 An embodiment of a device for cleaning a surface is shown in Figure 1 and indicated generally by the reference numeral 10.
  • the device comprises a cover 12, which is annular disk-shaped in particular annular disk-shaped.
  • the device 10 further comprises a central suction line 14 which is connectable or connected at its free end 16 with a per se known and therefore not shown in the drawing suction device.
  • the suction line 14 opens at a central opening 20 (compare Figures 2 and 3a) of the cover 12.
  • the opening 20 has a cross-section of, for example, between about 5 cm 2 and about 500 cm 2 .
  • the cover 12 forms an annular disc-shaped flow guide 22, the underside of which serves as a flow guide surface 24 for a fluid pressure flow described below.
  • the flow guide surface is preferably closed, but may also have small-area openings (for example for the arrangement of one or more measuring devices, not shown, for measuring a distance between the cover 12 and a surface to be cleaned or
  • the device 10 further comprises a device 26 for generating
  • the device 26 comprises a pressure line 28, which is arranged adjacent to a boundary 30 of the cover 12, for example, as shown in Figures 2 and 3a at the bottom of the cover 12th
  • the pressure line 28 extends annularly around the aperture 20 around.
  • the pressure line 28 is made of a flexibly bendable material, for example an elastomer, so that the Pressure line of the deformation of a flow guide 24 (see Figure 4) is deformed accordingly.
  • the pressure line 28 has a plurality of Fluidaustrittso réelleen 32, which distributed along the circumference of the pressure line 28, in particular regularly distributed, are arranged. At least two
  • Fluid outlet openings 32 are located opposite each other with respect to the outlet 44. Preferably, at least four fluid outlet openings 32 are provided.
  • Scope of the printing device 26 extending slot-shaped
  • the Fluidaustrittso réelleen 32 are formed for example by holes in a wall 34 of the pressure line 28.
  • the hole axes are aligned so that a fluid pressure flow, which emerges from the pressure line 28 through the fluid outlet opening 32, facing away from the cover 12 at the same time in the direction of a surface to be cleaned 36 and in the direction of the opening 20 of the cover 12 are aligned.
  • flow directions 38 of a fluid pressure flow denoted by 38 in FIGS. 2 and 3a which are inclined with respect to a direction perpendicular to the surface 36 to be cleaned, are preferably between approximately 20 ° and 70 °.
  • a fluid inlet 40 which is arranged in particular on the upper side of the cover 12, is provided, which communicates fluid-effectively with the pressure line 28.
  • the pressure of the fluid is
  • a port 42 of the fluid input 40 is connectable or connected to a known per se and therefore not shown in the drawing pressure supply unit.
  • the opening 20 defines an outlet 44, by means of which a cleaning active area 46 can be acted upon by a suction flow 48.
  • the device 26 forms with the Fluidaustrittso réelleen 32 an inlet 50 for acting on the cleaning Wirk Schemes 46 with a fluid pressure flow 52nd
  • the cleaning effective range 46 is limited by the surface to be cleaned 36 itself and by the flow guide 24. Starting from the annularly around the outlet 44 extending around inlet 50 in the direction of the outlet 44 toward a height 54 of
  • Flow guide surface 24 is spaced from the surface 36 to be cleaned. In this way, a fluid flow 58 from the environment of the device 10 can enter the cleaning active region 46 and in this way support the detachment of the dirt particles 56 from the surface 36 to be cleaned by means of the fluid pressure flow.
  • the surface to be cleaned 36 is, for example, the surface of a workpiece 60 (not shown).
  • the workpiece 60 with the surface 36 to be cleaned and the device 10 together form a cleaning system 62.
  • the device 10 shown in Figure 3b differs from that described above with reference to Figure 3a
  • the devices 10 illustrated in FIGS. 3c and 3d differ from the devices 10 described above with reference to FIGS. 3a and 3b in that fluid outlet openings 32 of the pressure device 26 are not located in relation to the flow guide surface 24
  • Direction to the surface to be cleaned 36 are arranged offset in height, but at least substantially at height of
  • the pressure device 26 of the device 10 according to Figure 3d is spaced from the boundary 30 of the cover 12.
  • the device 10 shown in Figure 3e is characterized in that the fluid outlet openings 32 are not formed by the pressure line 28 but by inclined to the flow guide 24 inclined recesses 70 in the material of the cover 12.
  • the recesses 70 are above the fluid inlet 40 and at the top of the
  • the workpiece 60 according to FIG. 4 does not have a planar surface 36 but has a curved surface 36.
  • the device 10 for cleaning this curved surface corresponds in its essential structure of the below
  • the device 10 according to Figure 4 has on the underside of the cover 12 on a flow guide 24, which is adapted in its course, that is in its inclination and curvature, the course of the surface to be cleaned 36 such that a cleaning effective range 46 is formed, which extends from the inlet 50 in the direction of the outlet 44 at a substantially constant distance to the surface 36 to be cleaned.
  • an adjusting device designated overall by the reference numeral 64 is provided.
  • the adjusting device comprises at least one actuator 66, which at least indirectly connected to a portion 68 of the cover 12.
  • the cover 12 is in the form of an elastically deformable
  • Flow guide 22 is formed. This is in particular a flat, annular elastomeric disk.
  • the actuator 66 is, for example, one at the
  • Suction line 14 hinged actuating cylinder Suction line 14 hinged actuating cylinder.
  • An extension 72 of the actuating cylinder is associated with a greater curvature of the flow guide 24, so that workpieces 60 can be cleaned with a smaller radius.
  • a shortening 74 of the actuating cylinder is associated with a less pronounced curvature of the flow guide 24, so that workpieces with a larger radius can be cleaned.
  • a further shortening of the actuating cylinder is associated with the fact that the
  • Surface 36 can be cleaned while maintaining a substantially constant height 54 of the flow cross-section of the cleaning effective range 46.
  • FIG. 5 shows a further device 10 for cleaning a surface 36.
  • the device 10 according to FIG. 5 has a cover 12, which forms a flow-guiding element 22 with a flow-guiding surface 24, which likewise extends annularly around an outlet 44 for a fluid suction flow.
  • the flow guide surface 24 is not, as in the embodiments described above,
  • the outlet 44 is slit-shaped.
  • the course of the aperture 20 of the cover 12 is matched to the course of the boundary 30 of the cover 12 such that a width 76 between the aperture 20 and the rim 30 along the annular profile of the cover 12 is substantially constant.
  • the course of the device 26 for generating a fluid pressure flow is adapted to the course of the edge 30 of the cover 12. In this way, along the circumference of the device 26 seen the distance between a fluid outlet opening 32 and the outlet 44 in FIG
  • outlets 44 may be provided.
  • cover 12 is oval or polygonal, in particular rectangular shapes.
  • Flow guide surface 24 of a cover 12 is for example between about 100 cm 2 for small workpieces and about 10000 cm 2 or more for large, in particular web-shaped workpieces, motor vehicle bodies or packaging (for example, packaging must be cleaned in the course of the delivery of outer packaging or raw materials for the production of pharmaceuticals before these raw materials or outer packaging can be used in a production environment).

Landscapes

  • Cleaning In General (AREA)

Abstract

L'invention concerne un dispositif (10) pour le nettoyage d'une surface, comprenant un élément de recouvrement (12) destiné à délimiter une zone d'action de nettoyage, une sortie pour solliciter la zone d'action de nettoyage avec un flux d'aspiration de fluide, et une entrée située en dehors de la sortie pour solliciter la zone d'action de nettoyage avec un flux de fluide sous pression. Une surface de guidage d'écoulement pour guider le flux de fluide sous pression est réalisée de manière à ce que la hauteur d'une section transversale d'écoulement de la zone d'action de nettoyage se trouvant entre la surface à nettoyer et la surface de guidage de l'écoulement, vue dans la direction de l'entrée vers la sortie, soit au moins sensiblement constante ou diminue.
PCT/EP2010/062619 2010-08-30 2010-08-30 Dispositif et procédé de nettoyage d'une surface WO2012028169A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP2010/062619 WO2012028169A1 (fr) 2010-08-30 2010-08-30 Dispositif et procédé de nettoyage d'une surface
DE202011102092U DE202011102092U1 (de) 2010-08-30 2011-06-21 Vorrichtung zur Reinigung einer Oberfläche

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/062619 WO2012028169A1 (fr) 2010-08-30 2010-08-30 Dispositif et procédé de nettoyage d'une surface

Publications (1)

Publication Number Publication Date
WO2012028169A1 true WO2012028169A1 (fr) 2012-03-08

Family

ID=43759841

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/062619 WO2012028169A1 (fr) 2010-08-30 2010-08-30 Dispositif et procédé de nettoyage d'une surface

Country Status (2)

Country Link
DE (1) DE202011102092U1 (fr)
WO (1) WO2012028169A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4310470C1 (de) 1993-03-31 1994-01-27 Rainer Rauschenbach Vorrichtung für die Behandlung von Oberflächen
DE19530976A1 (de) * 1995-08-23 1997-02-27 Paul Recktenwald Umluftstaubsauger
DE10034278A1 (de) * 2000-07-14 2002-01-24 Joerg R Bauer Reinigendes Umluftsystem
US20030131440A1 (en) * 1999-05-21 2003-07-17 Lewis Illingworth Cannister and upright vortex vacuum cleaners
US20040088820A1 (en) * 1998-07-06 2004-05-13 Tomonori Kato Vacuum cleaner
WO2010003812A1 (fr) * 2008-06-26 2010-01-14 Commissariat A L'energie Atomique Procédé et dispositif de décontamination particulaire de surface par extraction améliorée

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4310470C1 (de) 1993-03-31 1994-01-27 Rainer Rauschenbach Vorrichtung für die Behandlung von Oberflächen
DE19530976A1 (de) * 1995-08-23 1997-02-27 Paul Recktenwald Umluftstaubsauger
US20040088820A1 (en) * 1998-07-06 2004-05-13 Tomonori Kato Vacuum cleaner
US20030131440A1 (en) * 1999-05-21 2003-07-17 Lewis Illingworth Cannister and upright vortex vacuum cleaners
DE10034278A1 (de) * 2000-07-14 2002-01-24 Joerg R Bauer Reinigendes Umluftsystem
WO2010003812A1 (fr) * 2008-06-26 2010-01-14 Commissariat A L'energie Atomique Procédé et dispositif de décontamination particulaire de surface par extraction améliorée

Also Published As

Publication number Publication date
DE202011102092U1 (de) 2011-09-22

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