EP2644073B1 - Sauger - Google Patents

Sauger Download PDF

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Publication number
EP2644073B1
EP2644073B1 EP13001510.0A EP13001510A EP2644073B1 EP 2644073 B1 EP2644073 B1 EP 2644073B1 EP 13001510 A EP13001510 A EP 13001510A EP 2644073 B1 EP2644073 B1 EP 2644073B1
Authority
EP
European Patent Office
Prior art keywords
filter
current
pressure
processor
sucker
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
EP13001510.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2644073A1 (de
Inventor
Michael Seeling
Pablo Villalva Hernández-Franch
Eugen Bruntner
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 PL13001510T priority Critical patent/PL2644073T3/pl
Publication of EP2644073A1 publication Critical patent/EP2644073A1/de
Application granted granted Critical
Publication of EP2644073B1 publication Critical patent/EP2644073B1/de
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
    • A47L9/28—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
    • A47L9/2831—Motor parameters, e.g. motor load or speed
    • 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
    • A47L9/10—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
    • 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
    • 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
    • A47L9/2836—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
    • A47L9/2842—Suction motors or blowers
    • 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

Definitions

  • the invention relates to a sucker according to the preamble of claim 1.
  • suckers serve to suck off the suction material occurring when working with the device connected to the vacuum cleaner instantaneously.
  • the device is connected via a suction hose to the suction port of the nipple.
  • the device is connected via a cable to the device socket of the vacuum cleaner.
  • the connected device may be, for example, a drill or a grinder.
  • the suction material that accumulates when working with such devices is immediately sucked off at the work area and reaches the container of the vacuum cleaner via the suction connection.
  • the sump remains hanging on the outside of the filter as the air passes through the filter and returns to the outside via the engine.
  • the filter is added so that filter cleaning is required. Frequently, the filter cleaning takes place at a time when the filter still has sufficient permeability.
  • the vacuum cleaner does not take into account the current / power consumption of the connected device. This results in the vacuum cleaner working with too high a suction power, even though the connected device itself only generates a small amount of suction material.
  • suckers EP 1 972 248 A2 .
  • EP 2 047 784 A2 It is known in suckers ( EP 1 972 248 A2 .
  • EP 2 047 784 A2 to use a current sensor that detects the current through the device socket.
  • the current value is evaluated by a processor to detect whether the connected tool is in operation or not.
  • the invention is based on the object, the generic vacuum cleaner in such a way that the filter cleaning can be adapted to the power / power consumption of the connected device.
  • the current / power consumption of the device connected to the device socket is measured by means of the current / power sensor. Based on the current / power consumption value, the processor outputs the signal for filter cleaning, which takes into account the current / power consumption of the connected device.
  • a filter cleaning in much larger time intervals is necessary than in a device with a high current / power consumption. In this way, the filter cleaning is initiated depending on the current / power consumption of the connected device only when this cleaning is actually required.
  • the signal provided by the current / power sensor to the processor may also be used to control and / or regulate the speed of the motor in accordance with the current / power consumption of the connected device.
  • a lower suction power is required as in a powerful device in which a much larger amount of suction material, such as drilling dust, grinding dust and the like is obtained.
  • the user of the vacuum cleaner therefore does not need to know the power of the connected device; Rather, the sucker according to the invention automatically adjusts to the current / power consumption of the connected device.
  • a table is advantageously stored in the different current / power consumption values of devices to be connected and the associated Speed values of the motor of the vacuum cleaner and / or the period of time are specified when the signal for filter cleaning is to be delivered.
  • the pressure in the flow direction behind the filter of Sucker detected with the help of at least one pressure sensor. It provides a corresponding pressure signal to the processor which, in conjunction with the current / power consumption value, is used to cause the processor to generate the filter cleaning signal.
  • the nipple according to the invention has two pressure sensors which detect the pressure in front of and behind the filter and deliver the corresponding pressure values to the processor.
  • the pressure absolute values can be recorded in these two air-tight sealed rooms. Due to the knowledge of the absolute values of the two pressures, the time of the beginning of the filter cleaning can be adapted very precisely to the degree of contamination of the filter.
  • the sensors and the processor are advantageously located on a common board, which is also advantageously housed in a sealed against the suction flow container space.
  • the invention will be explained in more detail with reference to an embodiment schematically illustrated in the drawing.
  • the drawing shows a schematic representation of a sucker according to the invention.
  • the nipple has a container 1, in which at least one filter 2 is housed.
  • the suction flow is generated by a motor 4. With the suction flow, the suction material produced by a device 6 connected to a suction connection 5 is sucked into the container 1.
  • the air flow with the suction material flows through the filter 2, on which the suction material is retained.
  • the air flow flows through the filter 2 and flows through the motor 4 in a known manner to the outside.
  • the sucker is provided in the embodiment with a vibrator 7, with which the filter 2 is shaken to shake off the suction material adhering to it. It then falls down into a collecting space within the container 1.
  • the vibrating device 7 is known in such suckers and is therefore not explained in detail.
  • the filter cleaning can also be achieved in that by switching corresponding (not shown) valves, an air flow opposite to the suction flow is generated. This air flow flows through the filter 2 from the inside to the outside, whereby the suction material adhering to the outside of the filter 2 is blown off and falls down into the collecting space.
  • the device 6 which is for example a tool such as a drill or grinder, is connected to a socket 8 of the nipple.
  • a suction hose (not shown) connects the device 6 to the suction connection 5, via which the suction material arising when working with the device is sucked into the container 1 of the suction device.
  • a board 9 is housed, on which a power / power sensor 10, two pressure sensors 11, 14 and a processor 12 sit.
  • a table 13 is stored with various parameters, with the filter in a manner to be described in response to the current / power consumption of the device 6 is initiated.
  • the current / power decrease of the device 6 connected to the socket 8 is detected as the value X.
  • a high power / current consumption of the device 6 leads to a correspondingly high amount of suction material per unit of time. This in turn means that the filter 2 is added relatively quickly because the suction material deposits on passing through the filter 2 on the outside.
  • a device 6 with a low power / power consumption then falls less suction material when working with the device 6 at. Accordingly, less suction material is sucked in the time unit, so that a cleaning of the filter 2 is required only at longer intervals.
  • the current / power consumption values detected by the current / power sensor 10 are supplied to the processor 12, which compares these values with the values stored in the table 13. For example, this table states that with a power / power consumption of, for example, up to 500 watts, a filter cleaning after ten minutes, with a power / power consumption of, for example, up to 1000 watts after five minutes and at a power / power consumption of, for example, more than 2000 watts after Minute must be performed.
  • the microprocessor 12 sends after the appropriate time a shutdown signal to the motor 4 and a switch-on to the vibrator 7. It puts the filter 2 in shaking movements, whereby the appended to the outside of the filter suction material is shaken off and down into a plenum of the container falls. The filter cleaning will automatically after a predetermined Time is over. Via the processor 12, the motor 4 can be turned on again.
  • the filter cleaning depending on the current / power consumption of the device 6 can be optimally performed.
  • the filter cleaning takes place only when it is actually required.
  • the speed of the motor 4 can be adapted to the connected device 6. Is the current / power consumption of the device 6 low, then falls when working with the device 6 less suction material. Then, a lower power of the nipple is sufficient to suck the suction material from the working area of the device 6.
  • Table 13 therefore also specifies the speed of the motor 4 to be set as a function of the current / power consumption of the connected device 6 as a parameter.
  • the processor 12 adjusts the rotational speed of the motor by means of the control in accordance with the value supplied by the current / power sensor 10.
  • the filter cleaning is initiated taking into account the current / power consumption of the device 6 and the pressure value determined by the pressure sensor 11.
  • the pressure sensor 11 is provided in the sucker so that it measures the pressure in the flow direction behind the filter 2.
  • the pressure value is supplied to the processor 12. Based on the values supplied by the current / power sensor 10 and the pressure sensor 11, he controls the filter cleaning.
  • the time of filter cleaning can be determined even more accurately. So not only the current / power consumption of the device 6 is detected, but also the pressure behind the filter 2.
  • the pressure behind the filter 2 is a measure of how much the filter 2 is added. As soon as the pressure value reaches a predetermined value, the motor 4 is switched off via the processor 12 and the vibrator 7 is switched on.
  • the pressure value is also stored as a parameter as a function of the current / power value, so that a filter cleaning is not started until it is actually required.
  • the filter cleaning is initiated when the value measured by the pressure sensor 11 exceeds a limit of, for example, 180 mbar.
  • the filter cleaning is started when reaching, for example, a pressure of 130 mbar.
  • the cleaning of the filter 2 is initiated only when the corresponding pressure value is measured by the pressure sensor 11 at the respective power / power consumption.
  • the drawing shows a further embodiment of how the pressure sensor 11 can be used.
  • the pressure sensor 11 is connected to two measuring points 15 and 16, which lie in the flow direction of the air flow in front of and behind the filter 2 and are formed by openings in the walls of these spaces.
  • the pressure sensor 11 is in this case a differential pressure sensor, which detects the pressure difference between the spaces in front of and behind the filter 2 via the two measuring points 15, 16.
  • the space lying in front of the filter 2 is the collecting space which is located in the container 1 and into which the suction material adhering to the filter 2 falls during the cleaning process.
  • the pressure difference is a measure of the degree of contamination of the filter 2.
  • the pressure difference is relatively low. However, the more the filter 2 is added, the greater the pressure difference.
  • the processor 12 to which the pressure difference value is supplied leads in conjunction with the current / power value supplied by the sensor 10 taking into account the stored value Parameters in Table 13 indicate the beginning of filter cleaning.
  • both pressure sensors 11 and 14 are used, of which the pressure sensor 11 is connected to the measuring point 16 in the flow direction behind the filter 2 and the pressure sensor 14 to a measuring point 17 in the flow direction of the suction air before the filter 2.
  • the pressure values of the two pressure sensors 11, 14 are supplied to the processor 12, which in turn initiates, in conjunction with the current / power value supplied by the sensor 10 taking into account the stored parameters in the table 13, the beginning of the filter cleaning.
  • the described embodiments of the nipple are characterized in that a filter cleaning can be carried out very quickly with respect to the degree of clogging of the filter.
EP13001510.0A 2012-03-27 2013-03-25 Sauger Active EP2644073B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13001510T PL2644073T3 (pl) 2012-03-27 2013-03-25 Ssawka

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012003282U DE202012003282U1 (de) 2012-03-27 2012-03-27 Sauger

Publications (2)

Publication Number Publication Date
EP2644073A1 EP2644073A1 (de) 2013-10-02
EP2644073B1 true EP2644073B1 (de) 2016-02-10

Family

ID=46083366

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13001510.0A Active EP2644073B1 (de) 2012-03-27 2013-03-25 Sauger

Country Status (5)

Country Link
EP (1) EP2644073B1 (pl)
DE (1) DE202012003282U1 (pl)
DK (1) DK2644073T3 (pl)
ES (1) ES2565309T3 (pl)
PL (1) PL2644073T3 (pl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2789283B1 (de) * 2013-04-12 2017-04-26 Festool GmbH Sauggerät und Verfahren zum Betreiben eines Sauggeräts
HUE038875T2 (hu) 2014-03-20 2018-12-28 Kaercher Gmbh & Co Kg Alfred Eljárás egy porszívó szûrõjének tisztítására és porszívó
DE102015214036A1 (de) * 2015-07-24 2017-01-26 BSH Hausgeräte GmbH Vorrichtung zur Steuerung einer Reinigung einer Filtereinheit für Staubsauger
DE102016100780A1 (de) 2016-01-19 2017-07-20 Festool Gmbh Sauggerät
DE102017125893A1 (de) * 2016-11-07 2018-05-09 Festool Gmbh Sauggerät mit einer Anschlussvorrichtung
EP3498142A1 (de) 2017-12-18 2019-06-19 HILTI Aktiengesellschaft Effiziente filterabreinigung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2047784A2 (en) * 2007-10-11 2009-04-15 BLACK & DECKER INC. Vacuum electronic switch detection system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4747850B2 (ja) * 2006-01-20 2011-08-17 日立工機株式会社 集塵機
JP5185551B2 (ja) * 2007-03-19 2013-04-17 日立工機株式会社 集塵機

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2047784A2 (en) * 2007-10-11 2009-04-15 BLACK & DECKER INC. Vacuum electronic switch detection system

Also Published As

Publication number Publication date
DK2644073T3 (da) 2016-05-30
ES2565309T3 (es) 2016-04-01
DE202012003282U1 (de) 2012-04-18
EP2644073A1 (de) 2013-10-02
PL2644073T3 (pl) 2016-08-31

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