EP2644076B1 - Aspirateur - Google Patents

Aspirateur Download PDF

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Publication number
EP2644076B1
EP2644076B1 EP13001511.8A EP13001511A EP2644076B1 EP 2644076 B1 EP2644076 B1 EP 2644076B1 EP 13001511 A EP13001511 A EP 13001511A EP 2644076 B1 EP2644076 B1 EP 2644076B1
Authority
EP
European Patent Office
Prior art keywords
filter
pressure
pressure sensor
flow
suction
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.)
Active
Application number
EP13001511.8A
Other languages
German (de)
English (en)
Other versions
EP2644076A1 (fr
Inventor
Eugen Bruntner
Michael Seeling
Pablo Villalva Hernández-Franch
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.)
Electrostar GmbH
Original Assignee
Electrostar 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 Electrostar GmbH filed Critical Electrostar GmbH
Priority to PL13001511T priority Critical patent/PL2644076T3/pl
Publication of EP2644076A1 publication Critical patent/EP2644076A1/fr
Application granted granted Critical
Publication of EP2644076B1 publication Critical patent/EP2644076B1/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
    • 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
    • A47L9/19—Means for monitoring filtering operation
    • 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
    • A47L7/0095—Suction cleaners or attachments adapted to collect dust or waste from power 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
    • 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
    • A47L9/20—Means for cleaning filters
    • 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
    • A47L9/2805—Parameters or conditions being sensed
    • A47L9/2821—Pressure, vacuum level or airflow
    • 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
    • A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
    • 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

Definitions

  • the invention relates to a sucker according to the preamble of claim 1.
  • a sucker according to the preamble of claim 1 is made, for example US-A-20080201898 known.
  • Suckers serve to suck off the suction material that accumulates when working with the connected device or accessory.
  • Devices are, for example, working tools, such as drills, angle grinders and the like, in whose work is boring dust, dust and the like.
  • This suction material is sucked off immediately by the vacuum cleaner.
  • the suction material enters the flow space in front of the filter via the suction connection. He holds back the suction and leaves only the air passing through, which flows in the flow space after the filter and from there via motor back to the outside.
  • the retained suction material settles on the outside of the filter. Over time, the filter is added through the suction material, so that no sufficient volume flow is available.
  • the invention has the object of providing the generic vacuum cleaner in such a way that a cleaning of the filter takes place only if it is necessary.
  • the pressure in the flow space upstream of and in the flow space downstream of the filter is detected by the pressure sensor via the measuring points.
  • the pressure difference between the pressures in the two flow spaces increases. If the pressure difference value reaches a limit, this indicates that the filter is so far added with suction material that a cleaning is required. Even if you work with small hoses or devices with small suction cross sections on the vacuum cleaner, the contamination of the filter can be reliably measured. This makes it possible to approach the limit much more reliably, without having to accept malfunctions in the filter cleaning.
  • the signal generated by the controller may in one embodiment be sent to a warning device, for example an optical and / or audible warning element, such as a warning lamp or a horn.
  • a warning device for example an optical and / or audible warning element, such as a warning lamp or a horn.
  • the illumination of, for example, the warning lamp or the sounding of an acoustic Signals indicates to the user that a filter cleaning is required.
  • control signal is used to automatically initiate the filter cleaning. Then the user of the nipple does not have to intervene to perform the filter cleaning. About the pressure difference measurement, the filter cleaning is performed only when it is actually required.
  • the filter cleaning can be carried out with the aid of a vibrating device, with which the filter for filter cleaning is put into shaking motion.
  • the shaking movements cause the suction material adhering to the filter to fall, so that the filter is cleaned.
  • the vibrator receives the corresponding signal from the controller.
  • a pressure sensor is connected to each measuring point. This makes it possible to measure the absolute pressure value in the two flow spaces. By subtracting the two pressures in a microprocessor of the controller, the actual pressure drop across the filter can be determined. In addition, it is possible to determine the pressure loss via the connected devices or accessories. The pressure loss corresponds to the pressure in the tank minus the absolute pressure. By evaluating the pressures in the microprocessor, it is then advantageously possible to call up a suitable parameter set in order to call the functions cleaning, engine speed or warning message according to the current operating state. Thus, it is advantageously possible, for example, to control the engine speed as a function of the pressure values.
  • each measuring point can be connected to each measuring point and a common pressure sensor. It forms a differential pressure sensor with which the pressure difference between both flow spaces before and after the filter is detected.
  • an absolute pressure sensor in addition to a differential pressure sensor, is provided which detects the absolute pressure downstream of the filter and converts the minimum air flow determined. It can be preselected by the user for the respective application.
  • the nipple has a container 1, which serves as a dust collecting space 2 for 3 suction.
  • a connection 5 to which a device via a suction hose in a known manner can be connected.
  • an upper part 6 is placed, which carries a motor 7 of the nipple.
  • a filter 8 with at least one filter element, with which the suction material located in the suction flow is caught. The air passes through the filter element while the suction material hangs on the outside of the filter element. Over time, the filter element settles so that it has to be cleaned.
  • the filter element is offset by a vibrator 9 in vertical vibrations, whereby the adhering to the outside of the filter element suction product drops and falls down into the plenum 2.
  • the vibrating device 9 is known and therefore will not be described in detail.
  • the filter 8 is attached hanging on a housing part 14 of the upper part 6.
  • a measuring point 12 which is formed by an opening in the housing part 11, which opens into the flow space 10.
  • a second measuring point 13 is provided in a wall of the housing part 14 and also formed as an opening. It flows into the collection room 2.
  • a differential pressure sensor 15 is connected via lines 17, 18. He sits advantageously on a printed circuit board 19 which is housed in an electronics compartment 20 of the upper part 6. The differential pressure sensor 15 detects the pressure difference between the collecting space 2 and the flow space 3 via the two measuring points 12, 13.
  • control signal automatically switches on when the limit value of the differential pressure ⁇ P is exceeded, the vibrator 9, so that an automatic filter cleaning takes place. It is automatically stopped time-controlled, so that immediately afterwards the suction process can be continued.
  • Fig. 2 In the embodiment according to Fig. 2 are located in the housing part 11 two measuring points 12, 25, which are formed by openings in the housing part 11 and open into the flow chamber 10.
  • a third measuring point 13 is provided in the wall of the housing part 14 and is also formed as an opening. It flows into the collection room 2.
  • the differential pressure sensor 15 is connected via lines 17, 18, which sits advantageously on the printed circuit board 19.
  • an absolute pressure sensor 16 which is advantageously also on the printed circuit board 19 sits.
  • the differential pressure sensor 15 detects the pressure difference between the collecting space 2 and the flow space 10 via the two measuring points 12, 13.
  • the absolute sensor 16 connected to the measuring point 25 detects the absolute pressure in the flow space 10.
  • the pressure difference is the measure of the degree of soiling of the filter 8, as shown in the embodiment according to Fig. 1 has been described.
  • a pressure sensor 15, 16 is connected to the two measuring points 12, 13 respectively via the line 17, 18, a pressure sensor 15, 16 is connected. Both pressure sensors 15, 16 sit on the printed circuit board 19, which is housed in the electronics compartment 20 of the upper part 6.
  • the pressure sensors 15, 16 are part of a controller whose components are advantageously also arranged on the printed circuit board 19.
  • the electronics compartment 20 is located in the upper region of the upper part 6.
  • On a front panel 21 of the upper part 6, the at least one warning device 22 and a socket 23 are provided, to which the respective vacuum cleaner is connected.
  • the absolute pressure in the flow space 10 measured by the pressure sensor 16 advantageously detects the pressure loss through the suction harness and the dust generators connected thereto. At the same time also a disturbance detected by blockages outside the plenum 2 and passed to the warning device 22.
  • the pressure sensor 15 detects via the measuring point 12, the pressure P 2 in the flow chamber 10 and the pressure sensor 16 via the measuring point 13, the pressure P 1 in the plenum 2.
  • the pressure difference is again a measure of the degree of contamination of the filter 8.
  • the function is the same as in the embodiment according to Fig. 1 ,
  • the vibrator 9 is actuated, which is either turned on by the user or automatically started.
  • the vibrating device 9 generates shaking movements acting on the filter element, through which the suction material adhering to the outside of the filter element drops down into the collecting space 2.
  • the cleaning can be timed by the vibrator is automatically switched off after a predetermined time. Of course, the user can turn off the vibrator 9 by itself after a suitable time appearing to him.
  • a device is connected to the connection 5 via the suction hose (not shown), which generates only a small amount of suction material, such as a small angle grinder, for example, a suction power that is as high as that of a large angle grinder with a correspondingly high output is not required to extract the resulting suction material , Low-power devices will not attract much suction.
  • the filter element is due to the low seizure of suction only slightly.
  • both pressures P 1 and P 2 are relatively high and differ only slightly from each other.
  • the controller can provide a signal to the motor 7 to reduce its speed.
  • the high speed is not required for the resulting low amount of suction material.
  • the suction power of the motor 7 can be adjusted to the amount of accumulated material and thus to the power of the device connected to the port 5.
  • the pressure sensors 15, 16 are not only used to initiate the filter cleaning, but also to adapt to the performance of the device connected to the vacuum cleaner.
  • the motor 7 is switched off. This can be done by manual shutdown of the motor 7 in the manual initiation of the filter cleaning.
  • the controller also generates a corresponding switching signal with which the motor 7 is turned off before the filter cleaning.
  • the control sends a switch-on signal to the motor 7 after the filter has been cleaned, so that this automatically switched on again and thus the suction process can be continued.
  • an automatic cleaning during the suction process can be performed.
  • Such filter cleaning are known and therefore not described in detail. It can be used both compressed air, differences between tank pressure and atmospheric pressure as well as shaking of all kinds.
  • the measuring point 13, via which the pressure P 1 is detected, is provided on the upper part 6 such that it can not be covered by the suction material 3 located in the collecting space 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Claims (7)

  1. Aspirateur avec au moins un raccord d'aspiration (5) pour un appareil, avec au moins un moteur (7), avec au moins un filtre (8) et avec au moins une chambre de circulation (2) avant le filtre (8) et au moins une chambre de circulation (10) après celui-ci, dans lequel les deux chambres de circulation (2, 10) sont respectivement dotées d'au moins un point de mesure (12, 13, 25) auxquels au moins un capteur de pression (15, 16) est raccordé, lequel est connecté par signal à une commande qui émet un signal lorsque la différence de pression (ΔP) entre les pressions (P1, P2) dans les deux chambres de circulation (2, 10) atteint une valeur limite,
    caractérisé en ce que l'un des capteurs de pression (15) est un capteur de pression différentielle qui est relié à deux points de mesure (12, 13) pour la détection de la pression différentielle (ΔP) entre les deux chambres de circulation (2, 10), et en ce que l'autre capteur de pression (16) est un capteur de pression absolue qui détecte la pression (P2) après le filtre (8).
  2. Aspirateur selon la revendication 1,
    caractérisé en ce qu'il est possible, grâce à la commande, de commander le régime du moteur en fonction de la pression différentielle.
  3. Aspirateur selon la revendication 1 ou 2,
    caractérisé en ce qu'un dispositif d'avertissement (22) reçoit le signal de la commande.
  4. Aspirateur selon la revendication 3,
    caractérisé en ce que le dispositif d'avertissement (22) présente un élément d'avertissement optique et/ou acoustique, tel une lampe d'avertissement ou un avertisseur sonore.
  5. Aspirateur selon l'une des revendications 1 à 4,
    caractérisé en ce que le signal de la commande est pris en compte pour l'initialisation automatique d'un nettoyage du filtre.
  6. Aspirateur selon la revendication 5,
    caractérisé en ce que l'on prévoit un dispositif vibreur (9) avec lequel on soumet le filtre (8) à des mouvements de vibration pour le nettoyage du filtre.
  7. Aspirateur selon la revendication 6,
    caractérisé en ce que, pour le nettoyage du filtre (8), on guide un flux d'air dans le sens contraire au flux d'aspiration à travers le filtre (8).
EP13001511.8A 2012-03-27 2013-03-25 Aspirateur Active EP2644076B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13001511T PL2644076T3 (pl) 2012-03-27 2013-03-25 Odsysacz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012003280U DE202012003280U1 (de) 2012-03-27 2012-03-27 Sauger

Publications (2)

Publication Number Publication Date
EP2644076A1 EP2644076A1 (fr) 2013-10-02
EP2644076B1 true EP2644076B1 (fr) 2015-12-16

Family

ID=46083365

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13001511.8A Active EP2644076B1 (fr) 2012-03-27 2013-03-25 Aspirateur

Country Status (5)

Country Link
EP (1) EP2644076B1 (fr)
DE (1) DE202012003280U1 (fr)
DK (1) DK2644076T3 (fr)
ES (1) ES2563182T3 (fr)
PL (1) PL2644076T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3730024B1 (fr) * 2019-04-23 2021-12-29 Hilti Aktiengesellschaft Procédé de commande d'un procédé de nettoyage dans un dispositif d'aspiration des poussières et dispositif d'aspiration des poussières

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK3119260T3 (en) 2014-03-20 2018-07-23 Kaercher Gmbh & Co Kg Alfred Method of cleaning a filter of a vacuum cleaner and vacuum cleaner
DE102015214036A1 (de) * 2015-07-24 2017-01-26 BSH Hausgeräte GmbH Vorrichtung zur Steuerung einer Reinigung einer Filtereinheit für Staubsauger
DE102016118248A1 (de) * 2015-10-30 2017-05-04 Vorwerk & Co. Interholding Gmbh Reinigungsgerät, insbesondere Haushaltsstaubsauger
DE102016100780A1 (de) 2016-01-19 2017-07-20 Festool Gmbh Sauggerät
CN105796010A (zh) * 2016-05-23 2016-07-27 江苏美的清洁电器股份有限公司 尘满提示方法、尘满提示装置及吸尘器
EP3498142A1 (fr) * 2017-12-18 2019-06-19 HILTI Aktiengesellschaft Nettoyage efficace du filtre

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19900484A1 (de) * 1999-01-08 2000-08-10 Wap Reinigungssysteme Meßsystem zur Reststaubüberwachung für Sicherheitssauger
JP3476066B2 (ja) * 1999-07-19 2003-12-10 シャープ株式会社 電気掃除機
US20080201898A1 (en) * 2007-02-23 2008-08-28 Charbonneau Gary P Self-cleaning filter arrangement with activation signal for floor care apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3730024B1 (fr) * 2019-04-23 2021-12-29 Hilti Aktiengesellschaft Procédé de commande d'un procédé de nettoyage dans un dispositif d'aspiration des poussières et dispositif d'aspiration des poussières

Also Published As

Publication number Publication date
DE202012003280U1 (de) 2012-04-18
ES2563182T3 (es) 2016-03-11
DK2644076T3 (da) 2016-04-04
PL2644076T3 (pl) 2016-06-30
EP2644076A1 (fr) 2013-10-02

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