EP1764022A2 - Appareil aspirateur pour operations nettoyage avec un accumulateur rechargeable - Google Patents

Appareil aspirateur pour operations nettoyage avec un accumulateur rechargeable Download PDF

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Publication number
EP1764022A2
EP1764022A2 EP06019496A EP06019496A EP1764022A2 EP 1764022 A2 EP1764022 A2 EP 1764022A2 EP 06019496 A EP06019496 A EP 06019496A EP 06019496 A EP06019496 A EP 06019496A EP 1764022 A2 EP1764022 A2 EP 1764022A2
Authority
EP
European Patent Office
Prior art keywords
housing
suction device
suction
accumulator
cooling plates
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
EP06019496A
Other languages
German (de)
English (en)
Other versions
EP1764022A3 (fr
EP1764022B1 (fr
Inventor
Dirk Salmon
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.)
Vermop Salmon GmbH
Original Assignee
Vermop Salmon 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 Vermop Salmon GmbH filed Critical Vermop Salmon GmbH
Publication of EP1764022A2 publication Critical patent/EP1764022A2/fr
Publication of EP1764022A3 publication Critical patent/EP1764022A3/fr
Application granted granted Critical
Publication of EP1764022B1 publication Critical patent/EP1764022B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/365—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the vertical type, e.g. tank or bucket type
    • 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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2857—User input or output elements for control, e.g. buttons, switches or displays
    • 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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
    • A47L9/2884—Details of arrangements of batteries or their installation
    • 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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2889—Safety or protection devices or systems, e.g. for prevention of motor over-heating or for protection of the user
    • 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 suction device for cleaning purposes, in particular for vacuuming, with a housing having on a bottom a plurality of rollers, at least one of which is pivotally mounted, and a connection opening formed in the housing for releasably connecting a suction nozzle to the housing,
  • Vacuum cleaners which have an electric motor as a suction air source, which is supplied via a pull-out and einrollbares power cord with mains power. These are an indispensable part of cleaning practice.
  • pulling out and rolling in the power cord and looking for suitable power outlets has proved cumbersome, especially for larger buildings.
  • the DE 35 40 898 A1 a hand vacuum cleaner, which has integrated, rechargeable batteries and can therefore be operated without a power cord.
  • this hand vacuum cleaner is not suitable for cleaning larger areas and has only a limited power and dirt absorption capacity.
  • the invention is based on the idea to combine for the first time a rollable and equipped with a separate suction suction device with a rechargeable battery that supplies power to the suction motor, the accumulator is disposed in the housing near the bottom of the housing.
  • a suction device is provided, which makes it possible to achieve an extremely flexible and efficient cleaning process even in large and complicated facilities such as hospitals, hotels or the like.
  • the suction device is very mobile due to the rollers provided on the housing, and this mobility is not disturbed by handling operations of a power cable required in the prior art, but the device can be used continuously. This not only results in a significantly reduced and simplified cleaning process, but the cleaning person is also relieved of incriminating handling operations of the power cord, which must be made mostly bent.
  • the arrangement of the accumulator in the housing near the bottom of the housing contributes to the fact that the suction device can be stably retracted even with rapid operation and frequent changes of direction.
  • the accumulator has at least one lithium-ion cell, which is preferably accommodated in an accumulator housing.
  • the use of lithium-ion cells gives a particularly powerful and comparatively lightweight accumulator, which has a high charging capacity and allows a considerable number of charging operations. It is particularly preferred that the accumulator has a capacity of at least 10 Ah. This makes it possible that the suction device according to the invention can be operated over a longer period, within which larger complexes such as floors of a hotel or wards of a hospital can be cleaned.
  • a state of charge detection device for detecting the state of charge of the accumulator, in combination with a turn-off, which is in communication with the state of charge detection device and is adapted to interrupt the power supply from the accumulator to the engine, when the state of charge of the accumulator falls below a predetermined value.
  • the suction device further comprises a state of charge indicator, which is in communication with the state of charge detection device.
  • the cleaning person can coordinate the cleaning process in terms of time and space to the respective state of charge and the remaining operating time of the suction device.
  • the accumulator is accessible and preferably exchangeable via a flap or a cover on the underside of the housing.
  • the interchangeability makes it possible for the cleaning person to carry out an accumulator change if necessary, in order to immediately continue the respective cleaning process after a brief interruption without having to wait for a loading process.
  • the arrangement of the flap or the lid on the underside of the housing has proven to be a particularly safe and secure place.
  • the suction device contacts the housing, which are connected on the one hand via a corresponding wiring to the suction motor and on the other hand in conductive contact with are conductive terminals on the accumulator. Between the contacts and the conductive terminals on the accumulator thus form pairs of contacts for the positive pole and negative pole of the DC powered suction device.
  • the contacts are preferably coated with precious metal, particularly preferably silver, gold or rhodium, in order to conduct the flow of current through the contact points with as little loss as possible.
  • thermally highly conductive cooling plates are provided which are preferably made of aluminum as a good conductive metal and are designed and arranged so that they do not touch each other and abut against a contact to absorb the resulting heat and the surrounding plastic and the surrounding To give off air.
  • the thermally highly conductive cooling plates thus directly absorb the heat at the contact by touching the contact and release the resulting heat over a large area to the surrounding plastic, which is an electrical insulator. Since the cooling plates are attached directly to the contacts, optimum heat conduction is achieved. However, this measure requires that the cooling plates do not touch, so that no electrical short circuit between the positive and negative poles of the accumulator can occur, which would destroy the accumulator.
  • the cooling plates have an opening whose cross-section corresponds to the outer shape of the associated contact.
  • cooling plates are formed identically, so that they are interchangeable in the suction device.
  • the storage for the provision of spare parts is simplified, but also enables efficient production of the cooling plates. If necessary, this also means that a further opening is provided in the cooling plates, which has a function only in the case of replacement of the cooling plates or allows additional positional fixation by engagement with a mounting pin.
  • the suction device further comprises second cooling elements, in particular second cooling plates, which are arranged in the housing of the accumulator.
  • second cooling elements in particular second cooling plates, which are arranged in the housing of the accumulator.
  • Another preferred measure for improving the heat dissipation is to provide the cooling plates with ribs through which the heat-emitting surface can be increased.
  • the cooling plates on a fold, which engages around the housing. This measure serves to ensure an exact positioning of the cooling plates, also relative to the contacts.
  • an on / off switch for the naturally aspirated engine can in principle be arranged at any point of the suction device.
  • the switch for the suction motor is provided on a side surface of the housing.
  • This switch is preferably a push button switch, which facilitates the actuation of the switch provided on the side surface of the housing, since with a stiff switch there is a risk of the suction device rolling away when the switch is actuated.
  • the at least one outlet opening and / or the inlet opening is formed in each case in a side surface of the housing.
  • the at least one outlet opening and the inlet opening are provided on opposite sides of the housing.
  • the suction device may not roll away during use, for example, when working on an inclined plane.
  • the side surface provided with the at least one outlet opening is designed as a standing surface. It is particularly preferred that the suction device can be placed on a flat surface without closing the at least one outlet opening, so that the suction device can also work while it is placed on the above-mentioned footprint.
  • the embodiments described above are particularly advantageous because they allow, according to an embodiment of the present invention, the top of the housing to equip with a removable or swing-lid, which can be arranged and configured trouble-free. This results in a particularly free and uncomplicated access to the interior of the housing with a simple design.
  • the suction device according to the invention further comprises at least one additional filter, which is arranged downstream of the suction motor in the suction passage.
  • the suction device according to the invention can be used effectively even with increased purity requirements, as they are made for example in hospitals.
  • the at least one additional filter is a particulate matter / germ filter, in particular a HEPA filter.
  • a suction device 1 as a preferred embodiment of the present invention is shown schematically in Figures 1 and 2 in a partially cutaway perspective view and in a sectional view, respectively.
  • the suction device 1 is used for cleaning purposes, in particular for vacuuming, but can also be designed as a more universal suction device, which is designed for example for wet suction or the like.
  • the suction device 1 is designed to be equipped with a suction nozzle not shown in detail, which in a known manner, for example, a flexible hose, a stable handle and at its end a suction nozzle element, which may be equipped with rollers, additional brushes or the like, for example can.
  • the suction device 1 has a largely closed housing 2, which has on its underside three rollers 4, 6, namely two rigid rollers 4 on its back and a pivotable roller 6 in the region of the front.
  • a connection opening 8 is formed, which serves for releasably connecting the above-discussed suction nozzle to the housing 2.
  • the connection opening 8 is equipped in the present embodiment with a bayonet closure to allow a simple and rapid connection of the suction nozzle, although a different engagement means such as a thread can be provided.
  • a suction passage 12 extends in the housing, which ends in the present embodiment in a plurality of outlet openings 10 formed in the housing.
  • the outlet openings 10 in the present embodiment are located on a side face opposite the connection opening 8 of the housing.
  • the suction passage 12 extends through a suction motor 14, which is an electric motor designed to generate an air flow.
  • a dirt receiving means in the form of a vacuum cleaner bag 16 which may be made for example of a suitable paper, but also of any other material.
  • a filter 18 which serves to protect the suction motor 14 from contamination, which are not retained by the vacuum cleaner bag 16.
  • the power supply of the suction motor 14 is carried out in the present embodiment by a rechargeable battery 20, which is arranged in the housing 2 near the bottom of the housing.
  • Accumulator 20, as best seen in FIG. 2 includes a plurality of lithium-ion cells 22, only one of which is shown in FIG. The cells 22 are received in an accumulator 24 having a plurality of corresponding receiving compartments.
  • the accumulator 20 and the accumulator housing 24 is connected via a Flap 28 accessible at the bottom of the housing and can be easily removed from the housing 2 and reused in this way or be replaced by another accumulator 20.
  • the connection of the accumulator 20 to the suction device 1 is advantageously carried out via contacts described later.
  • the accumulator can also be charged in the state provided within the housing 2, via a connection socket 36 which can be connected to a mains supply by means of a suitable mains cable in order to charge the accumulator.
  • the suction device comprises a charge state detecting means, not further shown in the figures, for detecting the state of charge of the accumulator, and a shutdown means not shown in detail, which communicates with the state of charge detection means and is adapted to interrupt the power supply from the accumulator 20 to the motor 14, when the state of charge of the accumulator falls below a predetermined value.
  • the state of charge detection device can have, for example, a voltage measuring device in order to close its charge state based on the voltage delivered by the rechargeable battery.
  • the shutdown device may be configured to break the power supply based on a rated voltage of the secondary battery of 2.4 V as soon as the voltage measured by the state of charge detection device is less than 2.0 V.
  • the state of charge detection device is further connected to a state of charge indicator 26, which is arranged on the rear side surface of the housing 2 and displays the state of charge of the accumulator 20, for example via a scale, a color representation, a digital display a pointer or the like.
  • the lower half of the housing 2 of the suction device is shown in each case in order to better represent the measures for dissipating the heat generated by the flow of current.
  • the accumulator is charged outside the suction device in a charging station until the electrical capacity of the accumulator is reached.
  • For operating the suction device of this accumulator is inserted into the corresponding, shown in Fig. 2 compartment in the sucker, whose pointing to the inside of the suction device wall 2 'in Fig. 3 to 5 is shown.
  • two pairs of contacts, plus and minus are necessary. The contacts are arranged so that touch the contact pairs of the accumulator and sucker. In Fig.
  • 3 to 5 pin-shaped contacts 34 are shown, to which the wiring 38 is mounted, with which the current is supplied via the operating switch to the suction motor.
  • the contacts 34, as well as the mating contacts on the accumulator (not shown) consist of a highly electrically conductive metal, which is coated with precious metals, such as gold, silver or rhodium, to lead the flow of current through the contact points of the contact pairs plus and minus as little loss , Despite these measures, a voltage drop can not be avoided at the transition point, which leads to an undesirable heat development. This heat development could lead to the contact pins to such a high temperature increase that the contacts can soften or melt the surrounding plastic material. For this reason, the heat always generated must be dissipated to the surrounding plastic.
  • the pin-shaped contacts 34 are in direct contact with cooling plates 36a, 36b, which have a through opening 35, which are matched to the outer dimensions of the contacts 34, the contacts 34 touch and thus for optimum heat conduction between contacts 34 and Cooling plates 36a, 36b provide.
  • the cooling plates 36a, 36b must not touch, whereas the plastic of the housing is an electrical insulator and thus does not represent a technical problem.
  • the cooling plates 36a, 36b are made of a thermally highly conductive material, usually made of metal. A particularly preferred material is aluminum.
  • the cooling plates shown in FIGS. 3 and 4 have a further opening 40a, 40b, which serves to make the two cooling plates 36a, 36b identical, so that they are interchangeable in the illustrated embodiment.
  • the additional openings 40a, 40b can also be used to cooperate with mounting lugs, not shown in the figures, on the housing wall 2 'in order to produce a better fixation of the cooling plates relative to the housing of the suction device.
  • cooling plates 36a, 36b are each provided with a fold 37, which form-fit embrace a corresponding fold in the housing 2 ', which surrounds the receiving space for the accumulator.
  • cooling plates 36a, 36b may additionally be provided to provide them with ribs (not shown in the figures), wherein any shaping of the ribs is possible, as long as this increases the relevant surface for the release of the heat.
  • the battery housing can also be usefully provided with cooling plates in order to improve the heat transport from the contacts 34 to both sides.
  • the cooling plates 36a, 36b directly contact the contacts 34 and thus absorb and dissipate the heat where it is generated.
  • the rear surface of the housing 2 provided with the outlet openings 10 is formed as a standing surface in the present embodiment, the rollers 4 protrude beyond the rear side surface so that the suction device can be placed on a flat surface without closing the outlet openings 10.
  • a lid 32 is further provided, which is pivotally mounted on the housing in the present embodiment via a hinge and has a latching device 32 'to lock the lid 32 in the closed state on the housing 2.
  • an additional filter 33 is arranged in the suction passage 12 downstream of the suction motor 14 in the present embodiment.
  • This is configured in the present embodiment as a fine dust or germ filter, in the form of a so-called HEPA filter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Cleaning In General (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
EP06019496A 2005-09-19 2006-09-18 Appareil aspirateur pour operations nettoyage avec un accumulateur rechargeable Not-in-force EP1764022B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202005014736U DE202005014736U1 (de) 2005-09-19 2005-09-19 Saugvorrichtung für Reinigungszwecke

Publications (3)

Publication Number Publication Date
EP1764022A2 true EP1764022A2 (fr) 2007-03-21
EP1764022A3 EP1764022A3 (fr) 2008-02-27
EP1764022B1 EP1764022B1 (fr) 2011-04-27

Family

ID=36121028

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06019496A Not-in-force EP1764022B1 (fr) 2005-09-19 2006-09-18 Appareil aspirateur pour operations nettoyage avec un accumulateur rechargeable

Country Status (3)

Country Link
EP (1) EP1764022B1 (fr)
AT (1) ATE506885T1 (fr)
DE (2) DE202005014736U1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010043577A1 (de) 2010-11-08 2012-05-10 Alfred Kärcher Gmbh & Co. Kg Sauggerät
GB2502132B (en) * 2012-05-17 2014-11-05 Dyson Technology Ltd Autonomous vacuum cleaner
DK2897513T3 (en) 2012-09-18 2017-02-06 Kaercher Gmbh & Co Kg Alfred BATTERY COVER DUST

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3540898A1 (de) 1984-11-19 1986-05-28 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Wiederaufladbare, kabellose staubsaugervorrichtung
DE4212643A1 (de) 1992-04-15 1993-10-21 Siemens Ag Staubsauger mit einem Sauggebläse
DE4340771C2 (de) 1993-06-08 2002-03-07 Samsung Kwangju Electronics Co Automatische Reinigungsvorrichtung
WO2005055794A1 (fr) 2003-12-08 2005-06-23 Shop Vac Corporation Aspirateur-souffleur combine portable rechargeable

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE973277C (de) * 1951-11-16 1960-01-07 Vorwerk & Co Elektrowerke Kg Elektrische Schalteinrichtung fuer elektrische Stromverbraucher
DE1703053A1 (de) * 1965-06-28 1971-12-23 Cons Foods Corp Schlauchanschlusskupplung fuer Staubsauger
DE3708087A1 (de) * 1987-03-13 1988-09-22 Henkel Kgaa Fahrbarer bodenreinigungsautomat
GB2293282B (en) * 1994-09-19 1998-07-15 Numatic Int Ltd Improvements in and relating to vacuum cleaning apparatus
SE9503753D0 (sv) * 1995-10-25 1995-10-25 Electrolux Ab Anordning vid en dammsugare
US6017163A (en) * 1998-02-11 2000-01-25 Ecolab, Inc. Floor finish distribution apparatus
DE19820603C1 (de) * 1998-05-08 2000-03-16 Duepro Ag Schaltgehäuse für einen Akkupack
JP4306938B2 (ja) * 2000-07-24 2009-08-05 三洋電機株式会社 電気掃除機
US7014949B2 (en) * 2001-12-28 2006-03-21 Kabushiki Kaisha Toshiba Battery pack and rechargeable vacuum cleaner
US7210193B2 (en) * 2002-04-04 2007-05-01 Moore Glen E Portable cleaning assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3540898A1 (de) 1984-11-19 1986-05-28 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Wiederaufladbare, kabellose staubsaugervorrichtung
DE4212643A1 (de) 1992-04-15 1993-10-21 Siemens Ag Staubsauger mit einem Sauggebläse
DE4340771C2 (de) 1993-06-08 2002-03-07 Samsung Kwangju Electronics Co Automatische Reinigungsvorrichtung
WO2005055794A1 (fr) 2003-12-08 2005-06-23 Shop Vac Corporation Aspirateur-souffleur combine portable rechargeable

Also Published As

Publication number Publication date
ATE506885T1 (de) 2011-05-15
DE502006009381D1 (de) 2011-06-09
EP1764022A3 (fr) 2008-02-27
EP1764022B1 (fr) 2011-04-27
DE202005014736U1 (de) 2006-03-16

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