EP1056550B1 - Cleaning head in a device for cleaning the window and facade surfaces - Google Patents
Cleaning head in a device for cleaning the window and facade surfaces Download PDFInfo
- Publication number
- EP1056550B1 EP1056550B1 EP99907259A EP99907259A EP1056550B1 EP 1056550 B1 EP1056550 B1 EP 1056550B1 EP 99907259 A EP99907259 A EP 99907259A EP 99907259 A EP99907259 A EP 99907259A EP 1056550 B1 EP1056550 B1 EP 1056550B1
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- EP
- European Patent Office
- Prior art keywords
- cleaning head
- cleaning
- head according
- water
- contact elements
- 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.)
- Expired - Lifetime
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 141
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000002706 hydrostatic effect Effects 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000003860 storage Methods 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000003599 detergent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- 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
- A47L1/00—Cleaning windows
- A47L1/02—Power-driven machines or devices
Definitions
- the invention relates to a cleaning head for a cleaning device for window and facade surfaces, with the cleaning head preferably a generally trough-shaped open end Cleaning chamber has an annular, revolving Suction channel is surrounded.
- the cleaning head can be, for example Ultrasonic cleaning head act with a resonator plate is provided, which forms the bottom of the cleaning chamber.
- the Resonator plate is connected to a piezo oscillator, which causes the ultrasonic vibrations from the resonator plate transferred to the wash water in the cleaning chamber be the cleaning chamber when operating the cleaning head fills.
- the cavitation caused by the ultrasonic energy triggers the Dirt particles on the surface to be cleaned quickly and effectively.
- the fed into the cleaning chamber with overpressure Cleaning liquid causes a gap between the end edges of the peripheral wall of the cleaning chamber and the surface to be cleaned, the cleaning liquid / dirt mixture through this gap into the cleaning chamber surrounding suction channel occurs, for example as a cross-sectional rectangular groove in the edge of the circumferential Wall can be formed and via a discharge channel is connected to a vacuum source.
- the cleaning liquid / dirt mixture is mixed with air in the Suction channel sucked in.
- the invention preferably relates to a cleaning head, in whose cleaning chamber detergents such as Brushes arranged that rotate during the cleaning process.
- the cleaning liquid can from the brush holders against the surface to be cleaned is sprayed.
- Suction channel preferably in a ring shape, can be provided by a be surrounded by another annular channel into which a Compressed air source is introduced from the outside into the air Suction channel is sucked in.
- the cleaning head works with other means, for example with water vapor can be provided with suitable additives and to be cleaned Surface is directed.
- DE-A-21 21 500 discloses a cleaning head of a cleaning device, which one Sliding shoe in the form of a peripheral frame, under which during the cleaning process Wash water flows through that formed on the edge of the cleaning head Suction channels is suctioned off. These suction channels are external from one circumferential Surround the contact strip that lies against the window during the cleaning process and prevents outside air from being sucked into the cleaning head. When the cleaning process is completed, the slide shoe is withdrawn. It is not a means provided to remove residual washing liquid remaining on the disc.
- US-A-3,999,442 discloses a brush cleaning head that rolls on the cleaning disc expires, between the peripheral wall of the cleaning head and a small open gap remains on the disc.
- the cleaning liquid is replaced by a Suction device sucked out of the cleaning chamber, which in the rear end wall opens into the cleaning chamber.
- the present invention has for its object to design a cleaning head so that after the cleaning process is complete, all of the liquid that remains located in the area of the cleaning head, are automatically removed from the disc can.
- the invention provides that towards the end of the cleaning process when the water supply is set down to the cleaning head, punctiform depositing devices that preferably in the form of pins or plungers, over the end plane of the cleaning head be extended and a gap of predetermined width between the cleaning head and cause and maintain the surface to be cleaned.
- punctiform depositing devices that preferably in the form of pins or plungers, over the end plane of the cleaning head be extended and a gap of predetermined width between the cleaning head and cause and maintain the surface to be cleaned. This can extremely effective air is sucked in from outside into the area of the cleaning head and can be sucked through the suction channel, leaving all the remaining liquid under the cleaning head is removed.
- Tappets, pins or the like are preferably provided as contact elements, which between a withdrawn starting position and the advanced one Settling position in which they rest on the surface to be cleaned, are movable.
- the plunger or the like of the settling device are advantageous by a spring device in the withdrawn Preloaded, in which it is aligned with the frontal plane of the Close the cleaning head flush or withdrawn a little are.
- the plunger or the like extended or advanced to the desired Gap between the cleaning head and the surface to be cleaned to manufacture or maintain. Can be used to advance the plunger Wash water of the cleaning device can be used.
- the cleaning head is in the area of the short edges the most rectangular cleaning chamber for example two each other has opposite pairs of plungers, these pairs each be attached to a common latch that is slidable arranged in the rear area of the cleaning head is.
- An expandable container can be provided behind this latch be, for example, an expandable at the ends closed hose or the like made of a rubber-like Material that can be connected to a water source and that Water supply advances the bolt until it stops, which causes the plungers to travel a predetermined distance of about 0.2 to 0.5 mm, preferably about 0.3 mm, over the end plane of the cleaning head advance.
- the cleaning head with several hydrostatic Storage facilities may be provided, which is particularly preferred is when it is a cleaning head with rotating Detergents.
- the cleaning head can, for example four opposing pairs of hydrostatic Have location facilities, with two pairs in the Corner areas of the cleaning head and two pairs in each middle area. In between, the above described two pairs of depositing devices provided his.
- the hydrostatic bearing devices according to the invention also for cleaning heads without a tappet can be provided.
- the hydrostatic bearing devices each have an end wall that is in the end plane of the Cleaning head, i.e. arranged flush with the peripheral walls are the cleaning chamber and the circumferential suction channel as well as a compressed air supply duct surrounding the latter limit.
- a trough-shaped depression is formed, which is elongated runs centrally in the end wall and into which a channel flows out via a pipe system with the cleaning liquid source is connectable. If the hydrostatic bearing facilities liquid when operating the cleaning head is supplied, then that which emerges from the channel is distributed Water first in the trough-shaped depression and from there evenly over the remaining bulkhead to this way a predetermined size gap between the cleaning head and the surface to be cleaned. On this hydrostatic Storage slides the cleaning head while ensuring the Distance to the cleaning surface, so that the feed of the cleaning head practically no counteracting frictional forces and one Damage to the surface and the cleaning head reliably is avoided.
- Fig. 1 shows an end view of a cleaning head 1, the one Contains cleaning chamber 2 by an annular circumferential Suction channel 3 is surrounded. There are 5 in the cleaning chamber 2 Brushes 4 arranged, which rotate during the cleaning process. there cleaning fluid escapes from openings, which is the result of the rotation of the brushes distributed in a circle (reference number 5) and is sprayed against the window to be cleaned.
- the Bristles 6 of the rotating brushes 4 lie on the one to be cleaned Surface and carry out an effective cleaning process.
- the suction channel 3 is separated from one another by two on the base body designated overall by reference number 7 of the cleaning head 1 attached walls 8, 9 formed, the preferably consist of sheet metal.
- the suction channel 3 opens into the rear area of the cleaning head 1 in a circumferential Ring channel 10, the through holes 11 of a transverse wall 13 is connected to a collecting space 14 from which the aspirated liquid / dirt / air mixture through a line 15 is suctioned off, which is connected to a vacuum source.
- the cleaning head contains 8 hydrostatic bearing devices 16, which face each other in pairs and in which the face 17 facing cleaning surface each one elongated trough-shaped depression is formed in the opens a channel 19 through which water can be supplied, the under the face 17 a thin layer of water as a hydrostatic Bearing of the cleaning head during the cleaning process formed.
- a channel 19 Through the channel 19 at the end of a cleaning process by connection to the vacuum source of the cleaning device also air is sucked in, the residual liquid of the aspirates surrounding area.
- the cleaning head 1 also contains four settling devices 20, two of which also face each other in pairs.
- the settling devices 20 each have a plunger 21 which after or just before turning off the water supply to the hydrostatic Bearing over the end plane 22 (Fig. 2) of the cleaning head 1 can be advanced by a gap predetermined Width between the cleaning head and the one to be cleaned Adjust or maintain area.
- Fig. 2 shows a section through the edge region of the cleaning chamber 2.
- the channels 19 of the perpendicular to the end plane 22 of the hydrostatic bearing devices 16 are at their in the figure 2 upper end connected to a hose system 24 through which water supplied to the hydrostatic bearing devices 16 can be.
- the settling devices 20 each contain one Pin or plunger 21, the shaft 25 a bore 26 of the wall 22 passes through and carries a head portion 27 on the end face in the illustrated rear position of the settling device abuts the lower edge 28 of the associated wall section.
- a shaft 29 is attached to the shaft 25, on which a biased coil spring 30 supports the other ends on the The upper edge of the associated wall section rests.
- the shaft 25 also passes through the transverse wall 13, one behind it lying further transverse wall 31 and is anchored in a bolt 32, behind which there is an expandable body 33, which is provided with a water connection 34.
- the expandable container 33 which consists of a rubber-like Material is introduced, whereby the cross bar 32 by one small distance, for example a few millimeters, in FIG. 4 is moved down until the cross bar 32 on the fixed Wall 31 hits. This is the advanced position of the head sections 27 of the settling devices 20 are defined.
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Accessories Of Cameras (AREA)
Abstract
Description
Die Erfindung betrifft einen Reinigungskopf für eine Reinigungsvorrichtung für Fenster- und Fassadenflächen, wobei der Reinigungskopf vorzugsweise eine stirnseitig offene, allgemein wannenförmige Reinigungskammer hat, die von einem ringförmigen, umlaufenden Absaugkanal umgeben ist.The invention relates to a cleaning head for a cleaning device for window and facade surfaces, with the cleaning head preferably a generally trough-shaped open end Cleaning chamber has an annular, revolving Suction channel is surrounded.
Bei dem Reinigungskopf kann es sich beispielsweise um einen Ultraschallreinigungskopf handeln, der mit einer Resonatorplatte versehen ist, die den Boden der Reinigungskammer bildet. Die Resonatorplatte steht mit einem Piezoschwinger in Verbindung, der die Ultraschallschwingungen hervorruft, die von der Resonatorplatte auf das Waschwasser in der Reinigungskammer übertragen werden, das beim Betrieb des Reinigungskopfs die Reinigungskammer ausfüllt.The cleaning head can be, for example Ultrasonic cleaning head act with a resonator plate is provided, which forms the bottom of the cleaning chamber. The Resonator plate is connected to a piezo oscillator, which causes the ultrasonic vibrations from the resonator plate transferred to the wash water in the cleaning chamber be the cleaning chamber when operating the cleaning head fills.
Die durch die Ultraschallenergie auftretende Kavitation löst die Schmutzpartikel auf der zu reinigenden Fläche schnell und wirkungsvoll. Die mit Überdruck in die Reinigungskammer zugeführte Reinigungsflüssigkeit ruft beim Betrieb einen Spalt zwischen den stirnseitigen Randkanten der Umfangswand der Reinigungskammer und der zu reinigenden Fläche hervor, wobei das Reinigungsflüssigkeits/Schmutz-Gemisch durch diesen Spalt in den die Reinigungskammer umgebenden Saugkanal eintritt, der beispielsweise als querschnittlich rechteckige Nut in die Randkante der umlaufenden Wand ausgebildet sein kann und über einen Abführkanal mit einer Unterdruckquelle in Verbindung steht. Das Reinigungsflüssigkeits/Schmutz-Gemisch wird zusammen mit Luft in den Saugkanal eingesaugt.The cavitation caused by the ultrasonic energy triggers the Dirt particles on the surface to be cleaned quickly and effectively. The fed into the cleaning chamber with overpressure Cleaning liquid causes a gap between the end edges of the peripheral wall of the cleaning chamber and the surface to be cleaned, the cleaning liquid / dirt mixture through this gap into the cleaning chamber surrounding suction channel occurs, for example as a cross-sectional rectangular groove in the edge of the circumferential Wall can be formed and via a discharge channel is connected to a vacuum source. The cleaning liquid / dirt mixture is mixed with air in the Suction channel sucked in.
Bevorzugt betrifft die Erfindung jedoch einen Reinigungskopf, in dessen Reinigungskammer Reinigungsmittel wie z.B. Bürsten angeordnet sind, die beim Reinigungsvorgang rotieren. Die Reinigungsflüssigkeit kann dabei aus den Bürstenhalterungen gegen die zu reinigende Fläche gespritzt werden. Ein die Reinigungskammer vorzugsweise ringförmig umgebender Absaugkanal kann von einem weiteren ringförmigen Kanal umgeben sein, in den aus einer Druckluftquelle Luft eingeführt wird, die von außen in den Absaugkanal eingesaugt wird.However, the invention preferably relates to a cleaning head, in whose cleaning chamber detergents such as Brushes arranged that rotate during the cleaning process. The cleaning liquid can from the brush holders against the surface to be cleaned is sprayed. In the cleaning chamber Suction channel, preferably in a ring shape, can be provided by a be surrounded by another annular channel into which a Compressed air source is introduced from the outside into the air Suction channel is sucked in.
Es liegt auch im Rahmen der Erfindung, daß der Reinigungskopf mit anderen Mitteln arbeitet, beispielweise mit Wasserdampf, der mit geeigneten Zusätzen versehen sein kann und auf die zu reinigende Fläche gerichtet wird.It is also within the scope of the invention that the cleaning head works with other means, for example with water vapor can be provided with suitable additives and to be cleaned Surface is directed.
Damit der Reinigungskopf über die zu reinigende Fläche, beispielsweise eine Fensterscheibe, geführt werden kann, ohne diese zu verkratzen, muß gewährleistet sein, daß der Reinigungskopf bei seiner Bewegung keinen direkten Kontakt mit der Fensterscheibe hat. Dies wird auf besonders vorteilhafte Weise durch Ausbildung von sogenannten hydrostatischen Lagern erreicht, die einen Gesichtspunkt der vorliegenden Erfindung darstellen und weiter unten näher beschrieben sind.So that the cleaning head over the surface to be cleaned, for example a window pane that can be run without this to scratch, it must be ensured that the cleaning head no direct contact with the window pane during its movement Has. This is done in a particularly advantageous manner Training of so-called hydrostatic bearings achieved that constitute an aspect of the present invention; and are described in more detail below.
Wenn der Reinigungsvorgang beendet ist, wird die Zufuhr von Reinigungsflüssigkeit oder Dampf in die Reinigungskammer abgestellt, wodurch dann auch die dünne Flüssigkeits- oder Dampf-Schicht entfällt, die den Spalt zwischen dem Reinigungskopf und der zu reinigenden Fläche beim Betrieb herstellt und aufrecht erhält. Dies hat bei den bisher bekannten Reinigungsköpfen zur Folge, daß diese nun direkt an der zu reinigenden Fläche anliegen, gegen die der Reinigungskopf beispielsweise mittels pneumatischer oder hydraulischer Kolben/Zylinderanordnungen, auf die hier nicht näher eingegangen werden muß, angedrückt sein kann. Wenn der Reinigungskopf am Ende des Reinigungsvorgangs an der Scheibe etc. anliegt, kann nicht die gesamte zurückgebliebene Flüssigkeit abgesaugt werden, so daß zumindest in einzelnen Bereichen, meist in den Ecken des Reinigungskopfes, Flüssigkeit auf der Scheibe zurückbleibt. Diese müßte durch eine Bedienungsperson von Hand nachgetrocknet werden, um eine einwandfrei gereinigte Scheibe, Fassadenfläche oder dergleichen zu erhalten.When the cleaning process is finished, the feed of Cleaning liquid or steam placed in the cleaning chamber, then the thin layer of liquid or vapor omits the gap between the cleaning head and the surface to be cleaned manufactures and maintains during operation. This has been the case with the cleaning heads known to date the consequence that these now lie directly on the surface to be cleaned against which the Cleaning head, for example by means of pneumatic or hydraulic piston / cylinder arrangements, to which there is no need to go into detail here, can be pressed. If the cleaning head is in contact with the window etc. at the end of the cleaning process, cannot remove all the remaining liquid, so at least in individual areas, usually in the corners of the cleaning head, liquid on the Disc remains. This would have to be dried by hand by an operator to a properly cleaned pane, facade surface or the like receive.
Die DE-A-21 21 500 offenbart einen Reinigungskopf einer Reinigungsvorrichtung, der einen Gleitschuh in Form eines umlaufenden Rahmens hat, unter dem beim Reinigungsvorgang Waschwasser hindurchströmt, das aus am Rand des Reinigungskopfes ausgebildeten Saugkanälen abgesaugt wird. Diese Saugkanäle sind außen von einem umlaufenden Berührungsstreifen umgeben, der beim Reinigungsvorgang an der Scheibe anliegt und verhindert, daß von außen Luft in den Reinigungskopf eingesaugt wird. Wenn der Reinigungsvorgang abgeschlossen ist, wird der Gleitschuh zurückgezogen. Es sind keine Mittel vorgesehen, um auf der Scheibe zurückbleibende restliche Waschflüssigkeit zu beseitigen.DE-A-21 21 500 discloses a cleaning head of a cleaning device, which one Sliding shoe in the form of a peripheral frame, under which during the cleaning process Wash water flows through that formed on the edge of the cleaning head Suction channels is suctioned off. These suction channels are external from one circumferential Surround the contact strip that lies against the window during the cleaning process and prevents outside air from being sucked into the cleaning head. When the cleaning process is completed, the slide shoe is withdrawn. It is not a means provided to remove residual washing liquid remaining on the disc.
Die US-A-3,999,442 offenbart einen Bürstenreinigungskopf, der auf Rollen an der zu reinigenden Scheibe abläuft, wobei zwischen der Umfangswand des Reinigungskopfes und der Scheibe ein kleiner offener Spalt verbleibt. Die Reinigungsflüssigkeit wird durch eine Absaugvorrichtung aus der Reinigungskammer abgesaugt, die in die rückwärtige Abschlußwand der Reinigungskammer einmündet.US-A-3,999,442 discloses a brush cleaning head that rolls on the cleaning disc expires, between the peripheral wall of the cleaning head and a small open gap remains on the disc. The cleaning liquid is replaced by a Suction device sucked out of the cleaning chamber, which in the rear end wall opens into the cleaning chamber.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, einen Reinigungskopf so auszubilden, daß nach Beendigung des Reinigungsvorgangs die gesamte Flüssigkeit, die sich noch im Bereich des Reinigungskopfes befindet, selbsttätig von der Scheibe beseitigt werden kann.The present invention has for its object to design a cleaning head so that after the cleaning process is complete, all of the liquid that remains located in the area of the cleaning head, are automatically removed from the disc can.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst.This object is achieved by the features of
Vorteilhafte Ausgestaltungen der Erfindungen sind in den Unteransprüchen gekennzeichnet. Advantageous embodiments of the inventions are characterized in the subclaims.
Die Erfindung sieht vor, daß gegen Ende des Reinigungsvorganges, wenn die Wasserzufuhr zu dem Reinigungskopf abgestellt wird, punktuell wirkende Absetzeinrichtungen, die bevorzugt die Form von Stiften oder Stößel haben, über die Stirnebene des Reinigungskopfs hinaus ausgefahren werden und einen Spalt vorbestimmter Breite zwischen dem Reinigungskopf und derzu reinigenden Fläche hervorrufen und aufrechterhalten. Hierdurch kann äußerst wirkungsvoll Luft von außen in den Bereich des Reinigungskopfs eingesaugt und durch den Absaugkanal abgesaugt werden, wobei die gesamte restliche Flüssigkeit unter dem Reinigungskopf entfernt wird.The invention provides that towards the end of the cleaning process when the water supply is set down to the cleaning head, punctiform depositing devices that preferably in the form of pins or plungers, over the end plane of the cleaning head be extended and a gap of predetermined width between the cleaning head and cause and maintain the surface to be cleaned. This can extremely effective air is sucked in from outside into the area of the cleaning head and can be sucked through the suction channel, leaving all the remaining liquid under the cleaning head is removed.
Als Kontaktelemente sind bevorzugt Stößel, Stifte oder dergleichen vorgesehen, die zwischen einer zurückgezogenen Ausgangslage und der vorgeschobenen Absetzlage in der sie an der zu reinigenden Fläche anliegen, verschiebbar sind.Tappets, pins or the like are preferably provided as contact elements, which between a withdrawn starting position and the advanced one Settling position in which they rest on the surface to be cleaned, are movable.
Die Stößel oder dergleichen der Absetzeinrichtung sind vorteilhafterweise durch eine Federeinrichtung in die zurückgezogene Ausgangslage vorgespannt, in der sie mit der Stirnebene des Reinigungskopfes bündig abschließen oder ein wenig zurückgezogen sind.The plunger or the like of the settling device are advantageous by a spring device in the withdrawn Preloaded, in which it is aligned with the frontal plane of the Close the cleaning head flush or withdrawn a little are.
Wenn am Ende des Reinigungsvorgangs die Zufuhr von Reinigungsflüssigkeit in die Reinigungskammer abgestellt wird oder -was bevorzugt ist- kurz bevor dies geschieht, werden die Stößel oder dergleichen ausgefahren bzw. vorgeschoben, um den gewünschten Spalt zwischen dem Reinigungskopf und der zu reinigenden Fläche herzustellen oder beizubehalten. Zum Vorschub der Stößel kann Waschwasser der Reinigungsvorrichtung verwendet werden.If at the end of the cleaning process the supply of cleaning liquid is placed in the cleaning chamber or something is preferred - just before this happens, the plunger or the like extended or advanced to the desired Gap between the cleaning head and the surface to be cleaned to manufacture or maintain. Can be used to advance the plunger Wash water of the cleaning device can be used.
Wenn der Reinigungskopf im Bereich der kurzen Ränder der meist rechteckigen Reinigungskammer beispielsweise zwei einander gegenüberliegende Paare von Stößeln aufweist, können diese Paare jeweils an einem gemeinsamen Riegel befestigt sein, der verschieblich im hinteren Bereich des Reinigungskopfes angeordnet ist. Hinter diesem Riegel kann ein expandierbarer Behälter vorgesehen sein, beispielsweise ein expandierbarer an den Enden geschlossener Schlauch oder dergleichen aus einem gummiartigen Material, der mit einer Wasserquelle verbindbar ist und bei der Zufuhr von Wasser den Riegel bis zu einem Anschlag vorschiebt, wodurch die Stößel um eine vorgegebene Strecke von etwa 0,2 bis 0,5 mm, bevorzugt etwa 0,3 mm, über die Stirnebene des Reinigungskopfes vorrücken.If the cleaning head is in the area of the short edges the most rectangular cleaning chamber for example two each other has opposite pairs of plungers, these pairs each be attached to a common latch that is slidable arranged in the rear area of the cleaning head is. An expandable container can be provided behind this latch be, for example, an expandable at the ends closed hose or the like made of a rubber-like Material that can be connected to a water source and that Water supply advances the bolt until it stops, which causes the plungers to travel a predetermined distance of about 0.2 to 0.5 mm, preferably about 0.3 mm, over the end plane of the cleaning head advance.
Infolge dieses Spalts, der nicht auf die oben angegebenen Abmessungen beschränkt ist, sondern von der Größe des Reinigungskopfs, den Arbeitsparametern etc. abhängt, kann auch nach dem Abstellen der Wasserzufuhr in die Reinigungskammer solange ungehindert Luft aus der Umgebung in den Bereich des Reinigungskopfes eintreten und aus dem Absaugkanal abgesaugt werden, bis die gesamte Fensterfläche im Bereich des Reinigungskopfs vollständig abgetrocknet ist. Auf diese Weise kann eine Fläche ohne manuelle Nachbearbeitung automatisch gereinigt werden.As a result of this gap, which does not reach the dimensions specified above is limited, but by the size of the cleaning head, depends on the working parameters etc., can also after the Shut off the water supply in the cleaning chamber unhindered Air from the environment in the area of the cleaning head enter and be sucked out of the suction channel until the entire window area in the area of the cleaning head is complete is dry. In this way, an area without manual post-processing can be cleaned automatically.
Nach dem oben erwähnten anderen Gesichtspunkt der vorliegenden Erfindung kann der Reinigungskopf mit mehreren hydrostatischen Lagereinrichtungen versehen sein, was insbesondere dann bevorzugt ist, wenn es sich um einen Reinigungskopf mit rotierenden Reinigungsmitteln handelt. Der Reinigungskopf kann dabei beispielsweise vier einander gegenüberliegende Paare von hydrostatischen Lageeinrichtungen haben, wobei sich zwei Paare in den Eckbereichen des Reinigungskopfs und jeweils zwei Paare im mittleren Bereich befinden können. Dazwischen können die oben beschriebenen zwei Paare von Absetzeinrichtungen vorgesehen sein. Es wird aber betont, daß die hydrostatischen Lagereinrichtungen erfindungsgemäß auch bei Reinigungsköpfen ohne Absetzstößel vorgesehen sein können.From the other aspect of the present mentioned above Invention, the cleaning head with several hydrostatic Storage facilities may be provided, which is particularly preferred is when it is a cleaning head with rotating Detergents. The cleaning head can, for example four opposing pairs of hydrostatic Have location facilities, with two pairs in the Corner areas of the cleaning head and two pairs in each middle area. In between, the above described two pairs of depositing devices provided his. However, it is emphasized that the hydrostatic bearing devices according to the invention also for cleaning heads without a tappet can be provided.
Weiter wird vorgeschlagen, daß die hydrostatischen Lagereinrichtungen jeweils eine Stirnwand haben, die in der Stirnebene des Reinigungskopf liegt, d.h. bündig mit den Umfangswänden angeordnet sind, die die Reinigungskammer und den umlaufenden Absaugkanal sowie einen ebentuell den letzteren umgebenden Druckluftzufuhrkanal begrenzen.It is also proposed that the hydrostatic bearing devices each have an end wall that is in the end plane of the Cleaning head, i.e. arranged flush with the peripheral walls are the cleaning chamber and the circumferential suction channel as well as a compressed air supply duct surrounding the latter limit.
In der Stirnwand der Lagereinrichtungen ist vorzugsweise jeweils eine muldenförmige Vertiefung ausgebildet, die langgestreckt mittig innerhalb der Stirnwand verläuft und in die ein Kanal einmündet, der über ein Leitungssystem mit der Reinigungsflüssigkeitsquelle verbindbar ist. Wenn den hydrostatischen Lagereinrichtungen beim Betrieb des Reinigungskopfs Flüssigkeit zugeführt wird, dann verteilt sich das aus dem Kanal austretende Wasser zunächst in der muldenförmigen Vertiefung und von dort gleichmäßig über der verbleibenden Stirnwand, um auf diese Weise einen Spalt vorbestimmter Größe zwischen dem Reinigungskopf und der zu reinigenden Fläche herzustellen. Auf diesen hydrostatischen Lagern gleitet der Reinigungskopf unter Gewährleistung des Abstands zur Reinigungsfläche, so daß dem Vorschub des Reinigungskopf praktisch keine Reibungskräfte entgegenwirken und eine Beschädigung der Fläche sowie des Reinigungskopfs zuverlässig vermieden ist.In the end wall of the storage devices is preferably in each case a trough-shaped depression is formed, which is elongated runs centrally in the end wall and into which a channel flows out via a pipe system with the cleaning liquid source is connectable. If the hydrostatic bearing facilities liquid when operating the cleaning head is supplied, then that which emerges from the channel is distributed Water first in the trough-shaped depression and from there evenly over the remaining bulkhead to this way a predetermined size gap between the cleaning head and the surface to be cleaned. On this hydrostatic Storage slides the cleaning head while ensuring the Distance to the cleaning surface, so that the feed of the cleaning head practically no counteracting frictional forces and one Damage to the surface and the cleaning head reliably is avoided.
Weiter wird mit großem Vorteil vorgeschlagen, daß in dem Leitungssystem der hydrostatischen Lagereinrichtungen ein Umschaltorgan angeordnet ist, das nicht nur die Zufuhr von Wasser unterbinden, sondern die hydrostatischen Lagereinrichtungen mit der Unterdruckquelle bzw. Vakuumquelle der Reinigungsvorrichtung verbinden kann. Dies hat zur Folge, daß die auf der zu reinigenden Fläche verbliebene Flüssigkeit nicht nur durch den umlaufenden, ringförmigen Saugkanal, sondern auch durch die hydrostatischen Lagereinrichtungen abgesaugt wird. Hierdurch ist die Wirksamkeit des abschließenden Trocknungsvorgangs zusätzlich erhöht.It is also proposed with great advantage that in the pipe system a switching element of the hydrostatic bearing devices is arranged, which not only prevent the supply of water, but the hydrostatic bearing equipment with the Vacuum source or vacuum source of the cleaning device can connect. This has the consequence that the to be cleaned Remaining liquid not only through the circulating, annular suction channel, but also through the hydrostatic Storage facilities is suctioned off. This is the Effectiveness of the final drying process additionally elevated.
Weitere Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung einer Ausführungsform des erfindungsgemäßen Reinigungskopfes sowie anhand der Zeichnung. Dabei zeigen:
- Fig. 1
- eine Stirnansicht eines Bürstenreinigungskopfs;
- Fig. 2
- einen Schnitt durch einen Seitenwandbereich des Bürstenreinigungskopfs entlang der Linie II-II;
- Fig. 3
- einen Schnitt durch den Bürstenreinigungskopfs entlang der Linie III-III in Fig. 1 und
- Fig. 4
- einen Schnitt durch den Bürstenreinigungskopf entlang der Linie IV-IV in Fig. 1.
- Fig. 1
- an end view of a brush cleaning head;
- Fig. 2
- a section through a side wall portion of the brush cleaning head along the line II-II;
- Fig. 3
- a section through the brush cleaning head along the line III-III in Fig. 1 and
- Fig. 4
- a section through the brush cleaning head along the line IV-IV in Fig. 1st
Fig. 1 zeigt eine Stirnansicht eines Reinigungskopfs 1, der eine
Reinigungskammer 2 enthält, die von einem ringförmig umlaufenden
Absaugkanal 3 umgeben ist. In der Reinigungskammer 2 sind 5
Bürsten 4 angeordnet, die beim Reinigungsvorgang rotieren. Dabei
tritt aus Öffnungen Reinigungsflüssigkeit aus, die sich infolge
der Rotation der Bürsten kreisförmig verteilt (Bezugszeichen 5)
und so gegen die zu reinigende Scheibe gespritzt wird. Die
Borsten 6 der rotierenden Bürsten 4 liegen an der zu reinigenden
Fläche an und führen einen wirkungsvollen Reinigungsvorgang aus.Fig. 1 shows an end view of a
Der Absaugkanal 3 ist durch zwei im geringen Abstand voneinander
an dem insgesamt mit dem Bezugszeichen 7 bezeichneten Basiskörper
des Reinigungskopfs 1 angebrachte Wände 8, 9 gebildet, die
bevorzugt aus Metallblech bestehen. Der Absaugkanal 3 mündet im
rückwärtigen Bereich des Reinigungskopfs 1 in einen umlaufenden
Ringkanal 10 ein, der über Durchgangsbohrungen 11 einer Querwand
13 mit einem Sammelraum 14 in Verbindung steht, aus dem das
abgesaugte Flüssigkeits/Schmutz/Luft-Gemisch durch eine Leitung
15 abgesaugt wird, die mit einer Vakuumquelle verbunden ist.The
Der Reinigungskopf enthält 8 hydrostatische Lagereinrichtung 16,
die sich jeweils paarweise gegenüberliegen und in deren der zu
reinigenden Fläche zugekehrten Stirnfläche 17 jeweils eine
langgestreckte muldenförmige Vertiefung ausgebildet ist, in die
ein Kanal 19 einmündet, durch den Wasser zuführbar ist, das
unter der Stirnfläche 17 eine dünne Wasserschicht als hydrostatisches
Lager des Reinigungskopfs beim Reinigungsvorgang
ausbildet. Durch den Kanal 19 kann gegen Ende eines Reinigungsvorgangs
durch Verbindung mit der Vakuumquelle der Reinigungsvorrichtung
auch Luft eingesaugt werden, die Restflüssigkeit des
umgebenden Bereichs absaugt. The cleaning head contains 8
Der Reinigungskopf 1 enthält ferner vier Absetzeinrichtungen 20,
von denen sich ebenfalls jeweils zwei paarweise gegenüberliegen.
Die Absetzeinrichtungen 20 haben jeweils einen Stößel 21, der
nach oder kurz vor dem Abstellen der Wasserzufuhr zu den hydrostatischen
Lagern über die Stirnebene 22 (Fig. 2) des Reinigungskopfs
1 hinaus vorschiebbar ist, um einen Spalt vorbestimmter
Breite zwischen dem Reinigungskopf und der zu reinigenden
Fläche einzustellen bzw. aufrecht zu erhalten.The cleaning
Fig. 2 zeigt einen Schnitt durch den Randbereich der Reinigungskammer
2. Dort befindet sich eine Seitenwand 22, die sowohl die
hydrostatischen Lagereinrichtungen 16 bildet als auch die Stößel
21 der Absetzeinrichtungen 20 hält. Erkennbar sind auch die
flachen muldenförmigen Vertiefungen 18 in den Stirnflächen 17
der hydrostatischen Lagereinrichtungen. Zwischen den hydrostatischen
Lagereinrichtungen 16 und den Absetzeinrichtungen 20
sind Abschnitte 23 der Wand 22 weggeschnitten.Fig. 2 shows a section through the edge region of the cleaning chamber
2. There is a
Die senkrecht zur Stirnebene 22 verlaufenden Kanäle 19 der
hydrostatischen Lagereinrichtungen 16 sind an ihrem in der Figur
2 oberen Ende mit einem Schlauchsystem 24 verbunden, durch das
den hydrostatischen Lagereinrichtungen 16 Wasser zugeführt
werden kann.The
Es wird nun auf Fig. 4 Bezug genommen, die die Absetzeinrichtungen
20 zeigt. Die Absetzeinrichtungen 20 enthalten jeweils einen
Stift oder Stößel 21, dessen Schaft 25 eine Bohrung 26 der Wand
22 durchgreift und stirnseitig einen Kopfabschnitt 27 trägt, der
in der dargestellten rückwärtigen Position der Absetzeinrichtung
an der Unterkante 28 des zugehörigen Wandabschnitts anliegt. An
dem Schaft 25 ist ein Bund 29 angebracht, an dem sich eine
vorgespannte Schraubenfeder 30 abstützt, die anderenends auf der
Oberkante des zugehörigen Wandabschnitts aufliegt. Referring now to Fig. 4, the
Der Schaft 25 durchgreift ferner die Querwand 13, eine dahinter
liegende weitere Querwand 31 und ist in einem Riegel 32 verankert,
hinter dem sich ein expandierbarer Körper 33 befindet,
der mit einem Wasseranschluß 34 versehen ist.The
Zum Vorschub der Kopfabschnitte 27 über die Stirnebene 22 des
Reinigungskopfs 1 hinaus wird unter Druck stehendes Wasser in
den expandierbaren Behälter 33, der aus einem gummiartigen
Material besteht, eingeführt, wodurch der Querriegel 32 um eine
kleine Strecke, beispielsweise einige Millimeter, in Figur 4
nach unten bewegt wird, bis der Querriegel 32 auf die feststehende
Wand 31 auftrifft. Hierdurch ist die vorgeschobene Position
der Kopfabschnitte 27 der Absetzeinrichtungen 20 definiert.To advance the head portions 27 over the
Wenn die Wasserzufuhr abgestellt und ein Absperrorgan geöffnet
ist, das das Abfließen der Flüssigkeit auf dem Behälter 33 erlaubt,
kehren die Stößel durch Federkraft in die in Figur 4
dargestellt Ausgangslage zurück.When the water supply is shut off and a shut-off valve is opened
which allows the liquid to flow off on the
Claims (9)
- A cleaning head of a cleaning device for window and façade surfaces, comprising a cleaning chamber (2) which is encompassed by an annularly surrounding suction channel (3) which is defined by walls (8, 9) that terminate in the front plane (22) of said cleaning head (1), said cleaning chamber (2) having supplied thereto a cleaning liquid which is sucked off by a vacuum source connected to said suction channel (3),
wherein said cleaning head (1) comprises a plurality of hydrostatic bearing means (16) on the exiting liquid layer of which said cleaning head (1) is sliding during the cleaning process, and wherein said cleaning head (1) comprises a plurality of lifting devices (20) including pin- or pusher-like contact elements (27) that can be pushed forwards beyond the front plane (22) of said cleaning head (1). - The cleaning head according to claim 1,
characterized in that said contact elements (25, 27) are each biased by a spring means (30) into a retracted initial position in which they do not protrude from said front plane (22). - The cleaning head according to claim 1 or 2,
characterized in that said contact elements (25, 27) can be pushed forwards by the supply of water. - The cleaning head according to any one of claims 1 to 3,
characterized in that two respectively opposite contact elements (25, 27) are secured to a transverse bar (32) which is slidably arranged. - The cleaning head according to claim 4,
characterized in that an expandable container (33) which is connectable to a source of water is arranged behind said transverse bar (32) at the side facing away from the front side of said cleaning head (1). - The cleaning head according to any one of claims 1 to 5,
characterized in that said cleaning chamber has the shape of a tub that is open at the front side. - The cleaning head according to claim 1,
characterized in that said hydrostatic bearing means (16) are each provided with a front wall (17) arranged to be flush with the edges of circumferential walls (8, 9) of said cleaning head (1). - The cleaning head according to any one of claims 1 or 7,
characterized in that the front wall (17) of said hydrostatic bearing means (16) has formed therein a respective trough-like flat recess (18) in which a through-hole (19) terminates that is connectable via a conduit system (24) to a water container. - The cleaning head according to any one of claims 1 to 8,
characterized in that said conduit system (24) has arranged therein a switch-over unit which can connect said hydraulic bearing means (16) to said vacuum source.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19806928 | 1998-02-19 | ||
| DE19806928A DE19806928C2 (en) | 1998-02-19 | 1998-02-19 | Cleaning head of a cleaning device for window and facade surfaces |
| PCT/DE1999/000134 WO1999042226A1 (en) | 1998-02-19 | 1999-01-20 | Cleaning head in a device for cleaning the window and facade surfaces |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1056550A1 EP1056550A1 (en) | 2000-12-06 |
| EP1056550B1 true EP1056550B1 (en) | 2002-09-18 |
Family
ID=7858270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99907259A Expired - Lifetime EP1056550B1 (en) | 1998-02-19 | 1999-01-20 | Cleaning head in a device for cleaning the window and facade surfaces |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1056550B1 (en) |
| AT (1) | ATE224244T1 (en) |
| AU (1) | AU2711299A (en) |
| DE (3) | DE19806928C2 (en) |
| ES (1) | ES2184414T3 (en) |
| WO (1) | WO1999042226A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19836527A1 (en) * | 1998-08-12 | 2000-02-24 | Dornier Tech Gmbh & Co | Liquid cleaning system for vertical surfaces of facades and plate glass windows incorporates inner box fed with fluid and fluid is sucked from outer box back to reservoir |
| DE10322201B3 (en) * | 2003-05-16 | 2004-08-26 | Taurus Instruments Gmbh | Automatic cleaning system for facade of building has two rotating brush heads in housings one above the other and connected to suction pipes |
| DE102004023414B4 (en) * | 2003-05-16 | 2006-10-12 | Taurus Instruments Gmbh | Device for automatic cleaning of building facades and flat surfaces |
| CN117145878B (en) * | 2023-10-30 | 2023-12-26 | 烟台汇龙轴承科技有限公司 | Automatic bearing assembling machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1537273A (en) * | 1920-04-06 | 1925-05-12 | Francis W Tully | Window-cleaning apparatus |
| FR96261E (en) * | 1968-02-28 | 1972-06-16 | Tanguy Pierre | Appliance to clean windows and flat surfaces. |
| DE2121500A1 (en) * | 1970-05-02 | 1971-11-25 | Marzorati, Pierantonio, Desio, Mailand (Italien) | Method and device for cleaning the surface of solids with liquids |
| JPS5221823B2 (en) * | 1974-02-27 | 1977-06-13 | ||
| DE4220599A1 (en) * | 1992-06-24 | 1994-01-13 | Remmers Chemie Gmbh & Co | Cleaning system for building facades - feeds cleaning agent to pressure generator and to exchangeable cleaning mechanism |
| DE19545517C2 (en) * | 1995-12-06 | 1998-12-03 | Iren Dornier | Steam cleaning device |
| DE19715562C1 (en) * | 1997-04-15 | 1998-08-27 | Fidor Vermoegensverwaltung Gmb | Brush cleaning head |
-
1998
- 1998-02-19 DE DE19806928A patent/DE19806928C2/en not_active Expired - Fee Related
- 1998-02-19 DE DE19857668A patent/DE19857668C2/en not_active Expired - Fee Related
-
1999
- 1999-01-20 DE DE59902748T patent/DE59902748D1/en not_active Expired - Fee Related
- 1999-01-20 WO PCT/DE1999/000134 patent/WO1999042226A1/en active IP Right Grant
- 1999-01-20 ES ES99907259T patent/ES2184414T3/en not_active Expired - Lifetime
- 1999-01-20 EP EP99907259A patent/EP1056550B1/en not_active Expired - Lifetime
- 1999-01-20 AT AT99907259T patent/ATE224244T1/en not_active IP Right Cessation
- 1999-01-20 AU AU27112/99A patent/AU2711299A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| DE19806928C2 (en) | 2000-01-20 |
| DE19857668A1 (en) | 2000-03-02 |
| DE19857668C2 (en) | 2000-08-03 |
| WO1999042226A1 (en) | 1999-08-26 |
| DE19806928A1 (en) | 1999-09-02 |
| ES2184414T3 (en) | 2003-04-01 |
| EP1056550A1 (en) | 2000-12-06 |
| ATE224244T1 (en) | 2002-10-15 |
| DE59902748D1 (en) | 2002-10-24 |
| AU2711299A (en) | 1999-09-06 |
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