EP2046180A1 - Cleaning apparatus for a preferably planar surface - Google Patents
Cleaning apparatus for a preferably planar surfaceInfo
- Publication number
- EP2046180A1 EP2046180A1 EP07787431A EP07787431A EP2046180A1 EP 2046180 A1 EP2046180 A1 EP 2046180A1 EP 07787431 A EP07787431 A EP 07787431A EP 07787431 A EP07787431 A EP 07787431A EP 2046180 A1 EP2046180 A1 EP 2046180A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning device
- suction cup
- suction
- fan
- fans
- 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
Links
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
-
- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/38—Machines, specially adapted for cleaning walls, ceilings, roofs, or the like
-
- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
-
- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4063—Driving means; Transmission means therefor
- A47L11/4066—Propulsion of the whole machine
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/002—Arrangements for cleaning building facades
-
- 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
- A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
Definitions
- the invention relates to a cleaning device for a preferably flat surface, in particular a window, with a cleaning device and a cleaning device holding the cleaning device on the surface holding suction cup, which also bears with an open side of the surface edge sealing, also with a suction device for generating a negative pressure in the suction cup.
- Such a cleaning device must, especially if it is to operate in the manner of a so-called autonomous window cleaner, be reliably held on the surface to be cleaned, which requires a sufficiently high adhesive force.
- a negative pressure is generated in at least one space located between the surface and the cleaning device.
- a force with which the cleaning device is pressed against the surface results as the product of the difference between the negative pressure and the normal pressure in an environment of the cleaning device on the one hand and the area of the area (or areas, if there are several) of the area on which the vacuum is present, on the other hand.
- it is therefore possible to manage a sufficiently large surface area at a lower negative pressure or with a lower surface area at a high negative pressure.
- this cleaning device can move over a vertical surface, which is occupied in the usual way with tiles, leaving recessed joints between two tiles, without Impact of liability move. Also forces between seals on the cleaning device, which limit the space to be acted upon by the negative pressure, and the surface are comparatively small; therefore, this device can move over the surface with relatively moderate friction.
- the part of the device that must be subjected to the negative pressure is therefore called "suction cup”.
- WO 03/013944 A2 discloses a device which, instead of a suction bell of the type described, uses a number of small suction cups in order to hold the device on the surface to be traveled. Therefore, a relatively good vacuum must be generated in each of the spaces bounded by these suction cups and the surface in order to hold the device securely on the surface. Vacuum pumps are provided for generating the corresponding vacuums, and this also with redundancy to ensure adequate operational safety. Whether the inherently high forces between the suction cups and the surface allow displacements of the suction cups and the entire device over the surface remains open or would have to be the subject of further development in the realization case.
- the invention is based on the object, a cleaning device of the type mentioned in such a way that it can achieve a sufficient adhesive force on the surface to be cleaned with the least possible effort, moreover, a high fault tolerance should be achieved, so no negative effects should occur when the cleaning device overflows a dirt or unevenness on the surface to be cleaned or if there is a failure of a resource in the cleaning device.
- the suction cup is provided with motor-operated drive rollers for moving the suction cup with the cleaning device, and the suction device has at least two fans, each with its own associated outlet opening.
- An advantage achieved by the invention consists essentially in the fact that initially a relatively simple design and thus safe and reliable working device is provided, wherein the suction device reaches a high efficiency.
- a suction cup of the type defined which has a relatively large contact area with the surface to be machined and accordingly manages with a relatively low vacuum.
- the necessary for autonomous moving motorized drive rollers belong to the suction cup, so are placed in an interior of the suction cup.
- the suction cup has two fans, each with its own associated outlet opening. This has the advantage that the adhesion of the device to the surface to be machined is not questioned even if one of these fans fails.
- the outlet openings are each provided with a closure flap.
- the closure caps are advantageously closed in the manner of a valve in the idle state. This can be done by gravity with appropriate attachment;
- preferred in the context of the invention is an embodiment in which the closure flaps are held by spring elements in their closed position. It is not absolutely necessary that a closure flap seal the associated outlet opening tightly; it is only necessary that the closing flap limits the additional flow of air into the outlet opening so that the negative pressure can be sufficiently maintained.
- the suction cup has two or more fans connected in series with each other, wherein the outlet of the first fan is connected to the inlet of the second fan and the last of the fans into the outlet opening for blowing out from air escapes from the suction cup.
- a significantly lower negative pressure in the suction cup can be achieved, since - at least theoretically - the achievable negative pressure doubles with each stage.
- Even with this arrangement of the fans results in failure of a fan redundant operation, as a remaining functioning fan still applies sufficient suction power to produce the necessary for the necessary adhesive force vacuum.
- this mode of operation it is at least possible to have the cleaning device travel to a safe parking situation in an "emergency program", wherein a still active fan sucks the air readily through the impeller of the inactive fan.
- this arrangement has the advantage that - since only one outlet opening is present - no flap is required.
- the suction bell is provided with a sealing skirt arranged on the edge.
- the cleaning device of the cleaning device can be selected according to the requirements; a preferred embodiment is that the suction cup is rectangular and the cleaning device is formed with a peripheral side parallel to the suction cup arranged cleaning strip.
- Fig. 1 is a schematic view of a first embodiment from below;
- Fig. 2 is a cross-sectional view of the same embodiment as viewed in the direction of the arrows along the dotted line in Fig. 1;
- FIG 3 is a cross-sectional view of a second embodiment.
- Each cleaning device 1 is provided (see Figures 2 and 3) for use on a flat, vertical surface 2 of a particular vertical window pane 3, in particular, a mode of operation as an autonomous window cleaner comes into consideration.
- a cleaning device 4 As well as a cleaning device 5 holding the cleaning device 4 in abutment with the surface 2 to be cleaned, which sealingly abuts the surface 2 to be cleaned with an open side.
- a suction device 6, 7, 8, 9 is provided for generating a negative pressure in the suction cup 5.
- the suction bell 5 is connected via two in particular movable arms 6 with the cleaning device 4.
- the two fans 6 and 7 offer in particular an increased reliability, since - at least with a suitable dimensioning - with a fan 6 or 7 at least ensures that the cleaning device 1 can be transferred by means of an "emergency program" in a safe parking position.
- the outlet openings 10 and 11 it is necessary for the outlet openings 10 and 11 to be provided with closure flaps 12 (only one shown in FIG. 2), which are closed in the manner of a valve in the idle state, since otherwise the still active fan 6 or 7 would be air via the outlet opening 1 1 or 10 of the failed fan 7 or 6 would suck.
- the closure flaps 12 are loaded with spring elements 13; As shown in FIG. 2, the spring element 13 acts on the motor 8 of the fan 6, which motor is fixedly connected to the suction bell 5.
- the suction cup 2 also has two (or even more) fans 6 and 7, which are, however, connected in series with each other, that is, the outlet of the first fan 6 is connected to the inlet of the second fan 7.
- the second fan 3 then opens into the only existing outlet opening 10th
- the second embodiment initially has the advantage that in the suction cup 5, a lower negative pressure and thus better adhesion to the surface to be cleaned can be achieved because - at least theoretically - the achievable negative pressure with each additional fan 7 doubles.
- a high reliability is given because in case of failure of a fan 6, 7, the further fan 7 or 6 through the then inactive fan 6 and 7, the air can suck through, so that in the result, only a reduction of the negative pressure in the suction cup. 5 occurs. Again, then there is the possibility already described to move the cleaning device 1 in a safe parking position.
- the suction bell 5 is provided with an edge-side, divided sealing skirt 14, which ensures a seal against the surface 2 to be cleaned.
- Next 19 actuated drive rollers 18 are indicated in the drawing via motors, which are provided for the method of the suction cup 5 together with the cleaning device 4.
- the two drive rollers 18 shown can be seen as representatives of an optionally larger number of drive rollers 18 with or without associated motor drive, depending on the application and design of the cleaning device 1 in an individual case.
- the suction cup 5 is so large that it covers the drive rollers 18, and that the drive rollers 18 are arranged in its interior. In this way, the region of the surface 2 that can be acted upon by the negative pressure is maximized, which further advantageously increases the operational reliability of the cleaning device 1.
- the described arrangements of the fans 6 and 7 can basically be used in any type of suction cup 5;
- the suction cup 5 - as shown in Fig. 1 - be rectangular, wherein the cleaning device 4 arranged by a peripheral side parallel to the suction cup 5 cleaning bar 15 with arranged thereon and the surface 2 contacting porous, cleaning liquid and detached from the surface 2 dirt receiving wiper body 16 may be formed.
- any other type and design of a cleaning device 4 is also conceivable here.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning In General (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006033669A DE102006033669A1 (en) | 2006-07-20 | 2006-07-20 | Cleaning device for a preferably flat surface |
PCT/EP2007/057160 WO2008009614A1 (en) | 2006-07-20 | 2007-07-12 | Cleaning apparatus for a preferably planar surface |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2046180A1 true EP2046180A1 (en) | 2009-04-15 |
EP2046180B1 EP2046180B1 (en) | 2010-06-30 |
Family
ID=38553230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07787431A Not-in-force EP2046180B1 (en) | 2006-07-20 | 2007-07-12 | Cleaning apparatus for a preferably planar surface |
Country Status (5)
Country | Link |
---|---|
US (1) | US7950097B2 (en) |
EP (1) | EP2046180B1 (en) |
AT (1) | ATE472284T1 (en) |
DE (2) | DE102006033669A1 (en) |
WO (1) | WO2008009614A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106491053A (en) * | 2016-11-27 | 2017-03-15 | 无锡同心塑料制品有限公司 | A kind of plug-type ceiling wiping arrangement |
CN106808353A (en) * | 2017-01-15 | 2017-06-09 | 浙江海洋大学 | A kind of oil tank automatic cleaning machine people |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103356119B (en) * | 2012-04-05 | 2017-06-20 | 科沃斯机器人股份有限公司 | Have suctorial adsorbent equipment and its glass cleaning device |
US9215962B2 (en) * | 2014-03-13 | 2015-12-22 | Ecovacs Robotics, Inc. | Autonomous planar surface cleaning robot |
CN104930226B (en) * | 2014-03-17 | 2019-04-19 | 科沃斯家用机器人有限公司 | Gas bleeder valve for adsorbent equipment and the absorption robot with the gas bleeder valve |
JP6192629B2 (en) * | 2014-11-04 | 2017-09-06 | 三菱電機株式会社 | Cleaning device |
CN107989389A (en) * | 2017-11-17 | 2018-05-04 | 中国建筑股份有限公司 | Glass curtain wall clean robot and its operating method |
CN111466816A (en) * | 2020-04-29 | 2020-07-31 | 福州晋安汇星针科技有限公司 | Wind pressure sucking disc formula outer wall dust collecting equipment |
CN111956118B (en) * | 2020-08-07 | 2021-11-19 | 南京蹑波物联网科技有限公司 | Walking robot |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7036915U (en) * | 1971-01-07 | Schoettler B | Valve closure for the ventilation nozzle of motor-operated systems for room ventilation | |
JPH0779885A (en) * | 1993-09-13 | 1995-03-28 | Suzuki Motor Corp | Cleaning device for structural body |
JPH07237198A (en) * | 1994-02-28 | 1995-09-12 | Tadashi Fujita | Surface treatment device for structure |
US5852984A (en) * | 1996-01-31 | 1998-12-29 | Ishikawajimi-Harima Heavy Industries Co., Ltd. | Underwater vehicle and method of positioning same |
JPH11171063A (en) * | 1997-12-16 | 1999-06-29 | Nihon Bisoh Co Ltd | Wall surface suction moving device |
DE19958890C1 (en) * | 1999-12-07 | 2001-02-15 | Bsh Bosch Siemens Hausgeraete | Mobile surface treatment device has safety device detecting release from surface for operation of retention device preventing it from falling from surface |
DE10020503A1 (en) * | 2000-04-26 | 2001-10-31 | Bsh Bosch Siemens Hausgeraete | Machining appliance incorporates vacuum generator between machining appliance and machined surface, with support and working appliance |
DE10065405A1 (en) * | 2000-12-27 | 2002-07-04 | Bsh Bosch Siemens Hausgeraete | Cleaner for glass surfaces has oscillating drive for cleaning pad via eccentric mounted on pad via ring |
WO2003013944A2 (en) * | 2001-08-06 | 2003-02-20 | Smart Robotics Ltd. | Vehicle with a mechanism for attachment to a surface |
US20030106176A1 (en) * | 2001-12-10 | 2003-06-12 | Jyh-Sheng Wang | Automatic washing system and apparatus for tall building |
DE102004014273A1 (en) * | 2004-03-22 | 2005-10-13 | BSH Bosch und Siemens Hausgeräte GmbH | Surface machining system |
DE102004014281B4 (en) * | 2004-03-22 | 2020-07-30 | BSH Hausgeräte GmbH | Surface processing system |
ITPC20050001U1 (en) * | 2005-01-24 | 2006-07-25 | Bell Srl | IMPROVED HAIR DRYER |
-
2006
- 2006-07-20 DE DE102006033669A patent/DE102006033669A1/en not_active Withdrawn
-
2007
- 2007-07-12 US US12/374,497 patent/US7950097B2/en not_active Expired - Fee Related
- 2007-07-12 WO PCT/EP2007/057160 patent/WO2008009614A1/en active Application Filing
- 2007-07-12 DE DE502007004272T patent/DE502007004272D1/en active Active
- 2007-07-12 EP EP07787431A patent/EP2046180B1/en not_active Not-in-force
- 2007-07-12 AT AT07787431T patent/ATE472284T1/en active
Non-Patent Citations (1)
Title |
---|
See references of WO2008009614A1 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106491053A (en) * | 2016-11-27 | 2017-03-15 | 无锡同心塑料制品有限公司 | A kind of plug-type ceiling wiping arrangement |
CN106491053B (en) * | 2016-11-27 | 2021-10-12 | 无锡同心塑料制品有限公司 | Push-pull type ceiling wiping device |
CN106808353A (en) * | 2017-01-15 | 2017-06-09 | 浙江海洋大学 | A kind of oil tank automatic cleaning machine people |
Also Published As
Publication number | Publication date |
---|---|
US7950097B2 (en) | 2011-05-31 |
DE502007004272D1 (en) | 2010-08-12 |
WO2008009614A1 (en) | 2008-01-24 |
EP2046180B1 (en) | 2010-06-30 |
DE102006033669A1 (en) | 2008-01-24 |
ATE472284T1 (en) | 2010-07-15 |
US20100005606A1 (en) | 2010-01-14 |
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