EP2292130A2 - Appareil d'aspiration avec flotteur - Google Patents

Appareil d'aspiration avec flotteur Download PDF

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Publication number
EP2292130A2
EP2292130A2 EP10009332A EP10009332A EP2292130A2 EP 2292130 A2 EP2292130 A2 EP 2292130A2 EP 10009332 A EP10009332 A EP 10009332A EP 10009332 A EP10009332 A EP 10009332A EP 2292130 A2 EP2292130 A2 EP 2292130A2
Authority
EP
European Patent Office
Prior art keywords
suction device
housing
air flow
process air
filter
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
EP10009332A
Other languages
German (de)
English (en)
Other versions
EP2292130B1 (fr
EP2292130A3 (fr
Inventor
Holger Lepold
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.)
Individual
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Individual
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Filing date
Publication date
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Publication of EP2292130A2 publication Critical patent/EP2292130A2/fr
Publication of EP2292130A3 publication Critical patent/EP2292130A3/fr
Application granted granted Critical
Publication of EP2292130B1 publication Critical patent/EP2292130B1/fr
Active 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0042—Gaskets; Sealing means
    • 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0023—Recovery tanks
    • A47L7/0028—Security means, e.g. float valves or level switches for preventing overflow
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action

Definitions

  • the present invention relates to a suction device for a nipple, with a housing in which a centrifugal separator for the separation of dirt particles and / or liquid from a suction device flowing through the process air stream and a float are provided.
  • a sucker usually comprises a suction nozzle, a suction channel and a suction device.
  • the process air flow which is generated by a provided in the suction device, driven by a motor radial fan, enters through the suction nozzle in the suction channel and continues to flow into the suction device.
  • the process stream entering the vacuum cleaner is permeated with moisture, foam, dirt and / or dust.
  • the process air flow is subjected to centrifugal separation, so that liquid and / or dust and dirt are collected in a collecting container provided in the suction device.
  • the DE 30 34 400 A1 describes a suction device for a wet-dry vacuum cleaner with a float, ie a device for filling level shutdown.
  • the known suction device also has a centrifugal separator, which is configured substantially as a downwardly circular, ie towards the bottom of the collecting container open circular cylindrical inner wall.
  • a centrifugal separator configured substantially as a downwardly circular, ie towards the bottom of the collecting container open circular cylindrical inner wall.
  • foaming for example if the liquid absorbed contains a cleaning agent.
  • the foam can be entrained by the process air flow or, in the case of a high filling level in the collecting tank, mix with the process air flow.
  • the object of the present invention is thus to further develop a generic suction device, so that the risk of adverse effects on the function of dust, dirt, moisture and foam is reduced as much as possible and the suction device variable for a wet-dry vacuum cleaner or for a Dry vacuum cleaner is usable.
  • the solution consists in a device having the features of claim 1. According to the invention it is provided that a filter body surrounding the float is fixedly mounted on the housing and that the filter body enclosing, substantially cup-shaped cyclone insert is removably attached to the housing.
  • the float is surrounded by a filter body fixedly attached to the housing.
  • the filter body prevents entrained residues of particles such as dirt or dust from entering the flow path of the purified process air stream following centrifugal separation. Therefore, these impurities can affect neither the function of the float nor the function of the engine. These impurities are also no longer blown out of the housing with the purified process air stream.
  • the inventively the filter body enclosing cyclone insert is removably attached to the housing, so that it can be easily removed and replaced. The cyclone insert and the filter body can thus be easily cleaned.
  • the cyclone insert can be replaced by another filter for dry dust and / or dirt, which can also be removably attached to the housing and enclosing the inventively provided filter body.
  • the suction device according to the invention can also be used for a pure dry vacuum cleaner.
  • a particularly preferred embodiment provides that the upper free edge of the cyclone insert is spaced from the housing and an opening for the purified process air flow is formed.
  • the purified process air stream enters the intended flow path counter to the direction of movement of the deposited impurities one. This additionally prevents moisture, foam, dust and / or dirt from entering the flow path for the purified process air stream.
  • An additional advantageous measure is that the area of the upper free edge of the cyclone insert is formed radially widened. Thus, the cross section of the passage opening for the purified process air flow is formed enlarged. This facilitates the access of the purified process air stream in the intended flow path.
  • a circumferential protective shield may be provided on the housing at a radial distance from the upper free edge of the cyclone insert. If the process air stream still contains impurities, they are deposited on the shield. The separated liquid forms with foam, dust and / or dirt interspersed drops that drain on the shield. These drops can not be carried along by the process air flow as they are too heavy for this purpose. To optimize this effect, the shield can surmount the free upper edge of the cyclone insert.
  • the cyclone insert is, for example.
  • a bayonet lock removably attached to the housing so that it can be removed and re-assembled in a particularly simple manner.
  • the filter body is substantially cup-shaped and surrounds the float, so that the float is protected and possibly entrained residues of moisture, foam, dirt and / or dust are retained particularly reliable.
  • the filter body can be designed, for example, as a filter grid, perforated filter, paper filter or fleece filter.
  • the design as a filter grid or hole filter made of plastic is preferred because such a filter body can be easily cleaned from the outside.
  • separate air chambers and outlet openings for the process air flow on the one hand and for a, for cooling a drive motor serving, cooling air flow on the other hand are provided in the housing.
  • the process air flow and the cooling air flow in led separate air chambers and blown out of separate outlet openings. Therefore, any moisture contained in the process air flow can not penetrate into the area of the cooling air flow and thus into the area of the engine and damage it.
  • the suction device may comprise in a manner known per se a lower part designed as a collecting container and an upper part, or it may comprise, in a manner known per se, a lower part formed as a collecting container and an upper part and a middle part arranged between lower part and upper part. Then, all components essential for the function of the suction device according to the invention can expediently be provided on the upper part and / or on the middle part, so that the lower part serves only as a collecting container and can be emptied and cleaned in a simple manner.
  • FIGS. 1 to 3 show an embodiment of a suction device 10 according to the invention for a sucker.
  • the suction device 10 comprises a lower part 11 designed as a collecting container, a middle part 12 and a top part 13.
  • the upper part 13 and the middle part 12 are screwed together.
  • the unit of upper part 13 and central part 12 is also referred to as a suction head.
  • the middle part 12 is detachably connected to the lower part 11 by means of a lever closure 14.
  • At the lower part 11 is an inlet nozzle 15 for a suction channel, for example.
  • a known per se suction hose (not shown).
  • the middle part 12 has a motor 16 in a manner known per se, in the exemplary embodiment in the form of a bypass fan motor (not shown).
  • the bypass blower motor 16 is provided with an axial fan 17 for generating a cooling airflow K and a centrifugal fan 18 for generating a process airflow P.
  • process air and cooling air are separated from each other.
  • the cooling air flow K flows through the bypass fan motor and cools it.
  • the process air flow P is used to suck in contaminants such as moisture, dirt and / or dust.
  • the axial fan 17 and the radial fan 18 are separated by a seal 19 such that cooling air flow K and process air flow P can not mix with each other.
  • the lower part 11 facing bottom 21 of the central part 12 has a float 22 which is arranged vertically movable along the central axis M of the suction device 10.
  • the float 22 is used in a conventional manner for level measurement of accumulated in the lower part 11 of water and / or foam. The float closes upon reaching a predetermined level height in the lower part 11 of the flow path for the process air flow P. This completes the suction process.
  • the float 22 is particularly large and slightly designed to be able to respond to the level of a water-foam mixture.
  • the float 22 is surrounded by a filter body 23, which consists in the embodiment of plastic.
  • the filter body 23 is formed in the embodiment as a substantially cup-shaped filter grid with a cylindrical filter wall 24 and a filter bottom 25.
  • the filter body 23 is fixedly connected to the bottom 21 of the central part 12 and surrounds the float 22.
  • the filter body 23 serves to retain in the process air flow P possibly existing residues of moisture, foam, dirt and / or dust. It protects the float 22 from contamination and mechanical damage when installing a cyclone insert (see below).
  • the filter body 23 is enclosed by a cyclone insert 26, which consists in the embodiment of a plastic.
  • the cyclone insert 26 is formed in the embodiment substantially cup-shaped with a cylindrical cyclone insert wall 27 and a cyclone insert bottom 28.
  • the cyclone insert bottom 28 is provided with small openings 29 and a handle 31.
  • the openings 29 serve to ensure that the collected water or a water-foam mixture can come into contact with the float 22 so that it can measure the filling level in the lower part 11 and, if necessary, as described above, the flow path for the process air stream P can block.
  • the openings 29 are used to ensure that when removing the upper part 13 and middle part 12 from the lower part 11, the standing at high level of the lower part 11 in the cyclone insert 26 water can drain.
  • the cyclone insert 26 is removably attached in the embodiment by means of a bayonet lock 32 on the bottom 21 of the central part 12.
  • the handle 31 is used for easy handling of the cyclone insert 26 during assembly or disassembly.
  • the filter body 23 protects the float 22 against mechanical damage during assembly or disassembly of the cyclone insert 26.
  • the upper free edge 33 of the cyclone insert 26 is spaced in the mounted state from the bottom 21 of the central part 12. As a result, a passage opening 34 for the process air flow P is formed. To increase the passage opening 34 of the upper free edge 33 of the cyclone insert 26 is formed radially widened, widened funnel-shaped in the embodiment.
  • a circumferential shield 35 is attached to the bottom 21 of the central part 12.
  • the shield 35 is in the embodiment of a plastic. Its vertical height is dimensioned so that the protective shield projects beyond the upper free edge 33 of the cyclone insert 26 in the direction of the lower part 11.
  • the shield 35 serves to separate moisture, foam, dirt and / or dust from the process air stream P.
  • the cyclone insert 26 can be replaced by a known per se cartridge filter, which can also, for example, by means of a handle, by means of a corresponding bayonet catch on the bottom 21 of the central part 12 can be attached (not shown).
  • the cartridge filter encloses the filter body 23 as well as the cyclone insert 26 completely.
  • the cartridge filter may be a paper, nonwoven or plastic filter. With the cartridge filter, the suction device 10 is equipped for use as a pure dry vacuum cleaner.
  • the suction device 10 generates in operation in a conventional manner by means of the radial fan 18 a process air flow P, starting from a suction nozzle (not shown) via a suction channel, for example.
  • a suction pipe and / or a suction hose (not shown) until the process air flow P enters through the inlet port 15 into the interior of the lower part 11.
  • the inlet port 15 is curved so that the process air flow P enters the base 11 substantially tangentially and is forced into a circular flow of high velocity around the cyclone insert 26. Due to the centrifugal forces occurring in the process air flow P present impurities such as liquid, foam, dirt and / or dust, are thrown outwards in the direction of the inner wall of the lower part 11 so that they impinge on the inner wall, are deposited there and in the lower Range of trained as a collecting container base 11 fall or expire.
  • impurities such as liquid, foam, dirt and / or dust
  • the thus purified process air flow P enters through the passage opening 34 into the intermediate space 36 between the cyclone insert 26 and the filter body 23.
  • the process air flow P must circumvent the surrounding protective shield 35, since it covers the passage opening 34. If residues of impurities, such as moisture, foam, dirt and / or dust, are still contained in the process air stream P, they collide against the protective shield 35 and are thus separated from the process air flow P.
  • the optionally separated from the process air flow P liquid collects to drops that drain from the shield 35 in the direction of the lower part 11. These drops are too large and heavy to be carried along by the purified process air flow P in the direction of the passage opening 34.
  • the flow path of the process air flow P through the passage opening 34 is preferred to a possible passage through the openings 29 in the bottom 28 of the cyclone insert 26, because the cross section of the openings 29 is much smaller than the cross section of the passage opening 34th
  • the purified process air flow P enters through the wall 24 of the filter body 23 in the interior thereof.
  • the filter body 23 serves as a further barrier for impurities that could still be contained in the process air flow P despite the measures described so far.
  • the impurities are deposited on the wall 24 of the filter body 23.
  • the process air flow P flows around the float 22 and enters into a circulating separate air chamber 37 in the interior of the middle part 12.
  • the air chamber 37 opens into a provided in the middle part 12 separate outlet opening 38, through which the purified process air flow P exits the suction device 10. With the process air flow P occur no impurities such as moisture, dust and / or dirt from the outlet opening 38.
  • the cooling air flow K generated by the bypass fan motor 16 by means of the axial fan 17 occurs, after flowing through the motor, into a further circulating separate air chamber 39 in the interior of the central part 12.
  • the air chamber 39 opens into a provided in the middle part 12 separate outlet opening 41, through which the cooling air flow exiting the suction device 10.
  • This guidance of process air flow P and cooling air flow K prevents the two air streams from mixing and, for example, moisture from penetrating into the bypass fan motor 16 and damaging it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Centrifugal Separators (AREA)
EP20100009332 2009-09-08 2010-09-08 Appareil d'aspiration avec flotteur Active EP2292130B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910040489 DE102009040489A1 (de) 2009-09-08 2009-09-08 Sauggerät

Publications (3)

Publication Number Publication Date
EP2292130A2 true EP2292130A2 (fr) 2011-03-09
EP2292130A3 EP2292130A3 (fr) 2013-11-20
EP2292130B1 EP2292130B1 (fr) 2014-11-12

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Family Applications (1)

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EP20100009332 Active EP2292130B1 (fr) 2009-09-08 2010-09-08 Appareil d'aspiration avec flotteur

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EP (1) EP2292130B1 (fr)
DE (1) DE102009040489A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112869650A (zh) * 2021-03-11 2021-06-01 苏州三六零机器人科技有限公司 基站和清洁设备
CN115299823A (zh) * 2022-07-28 2022-11-08 深圳市无限动力发展有限公司 污水箱和洗地机
CN115363490A (zh) * 2021-05-21 2022-11-22 深圳银星智能集团股份有限公司 集污箱组件、维护基站和清洁系统
CN116135126A (zh) * 2021-11-16 2023-05-19 哈高有限责任公司 用于地面清洁机的污水箱中的吸入接管的过滤单元
DE102022121266A1 (de) 2022-08-23 2024-02-29 Hawig Maschinenfabrik Gesellschaft mit beschränkter Haftung Ansaugschutzvorrichtung und Reinigungsvorrichtung mit einer solchen Ansaugschutzvorrichtung
US12171385B2 (en) 2021-03-11 2024-12-24 Chengdu Quanjing Intelligent Technology Co., Ltd. Base station and cleaning equipment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11910989B2 (en) 2021-02-25 2024-02-27 Techtronic Cordless Gp Integrated cyclonic separator in a wet-dry vacuum

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3034400A1 (de) 1980-09-12 1982-03-25 Alfred Kärcher GmbH & Co, 7057 Winnenden Fliehkraftabscheider zur abscheidung von schmutzteilchen und fluessigkeiten aus einem gasstrom

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3820310A (en) * 1973-01-29 1974-06-28 Singer Co Vacuum cleaner inlet baffle
NL8900810A (nl) * 1988-12-30 1990-07-16 Eduard Thomas Jacobus Van Der Inrichting voor het verwijderen van stof en vloeistof van vloeren en dergelijke oppervlakken.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3034400A1 (de) 1980-09-12 1982-03-25 Alfred Kärcher GmbH & Co, 7057 Winnenden Fliehkraftabscheider zur abscheidung von schmutzteilchen und fluessigkeiten aus einem gasstrom

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112869650A (zh) * 2021-03-11 2021-06-01 苏州三六零机器人科技有限公司 基站和清洁设备
US12171385B2 (en) 2021-03-11 2024-12-24 Chengdu Quanjing Intelligent Technology Co., Ltd. Base station and cleaning equipment
CN115363490A (zh) * 2021-05-21 2022-11-22 深圳银星智能集团股份有限公司 集污箱组件、维护基站和清洁系统
CN116135126A (zh) * 2021-11-16 2023-05-19 哈高有限责任公司 用于地面清洁机的污水箱中的吸入接管的过滤单元
CN115299823A (zh) * 2022-07-28 2022-11-08 深圳市无限动力发展有限公司 污水箱和洗地机
DE102022121266A1 (de) 2022-08-23 2024-02-29 Hawig Maschinenfabrik Gesellschaft mit beschränkter Haftung Ansaugschutzvorrichtung und Reinigungsvorrichtung mit einer solchen Ansaugschutzvorrichtung
WO2024041980A1 (fr) 2022-08-23 2024-02-29 Hawig Maschinenfabrik Gmbh Dispositif de protection d'arrivée d'air et dispositif de nettoyage doté d'un tel dispositif de protection d'arrivée d'air

Also Published As

Publication number Publication date
EP2292130B1 (fr) 2014-11-12
DE102009040489A1 (de) 2011-03-10
EP2292130A3 (fr) 2013-11-20

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