EP2505115A2 - Aspirateur et procédé destiné au fonctionnement en fonction de la durée de fonctionnement d'un aspirateur - Google Patents

Aspirateur et procédé destiné au fonctionnement en fonction de la durée de fonctionnement d'un aspirateur Download PDF

Info

Publication number: EP2505115A2
Authority: EP; European Patent Office
Prior art keywords: vacuum cleaner; power; suction; operating time; suction fan
Prior art date: 2011-03-31
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

EP12161402A

Other languages

German (de)

English (en)

Other versions

EP2505115B1 (fr

EP2505115A3 (fr

Inventor

Alexander Flegler

Stefan Kraft

Florian Schmitt

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.)

BSH Hausgeraete GmbH

Original Assignee

BSH Bosch und Siemens Hausgeraete 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.)

2011-03-31

Filing date

2012-03-27

Publication date

2012-10-03

2012-03-27 Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH

2012-10-03 Publication of EP2505115A2 publication Critical patent/EP2505115A2/fr

2017-03-29 Publication of EP2505115A3 publication Critical patent/EP2505115A3/fr

2020-05-06 Application granted granted Critical

2020-05-06 Publication of EP2505115B1 publication Critical patent/EP2505115B1/fr

Status Not-in-force legal-status Critical Current

2032-03-27 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
- A47L9/2836—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
- A47L9/10—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
- A47L9/28—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

Definitions

the invention relates to a method for operating a vacuum cleaner equipped with a suction fan, wherein in particular the service life of the suction fan is detected.
the invention further relates to a vacuum cleaner with a suction fan, wherein the vacuum cleaner is equipped with a timer for detecting the operating time.
a method and vacuum cleaner of the type mentioned are from the Japanese patent application JP 62289216 A1 known.
the vacuum cleaner disclosed therein is equipped with a device for measuring the operating time. Once the vacuum cleaner is put into operation, the device counts the period of use and stores it in an electronic storage device. From the accumulated period of use is deduced the amount of dust absorbed and thus on the degree of filling of the dust filter bag. Once the measured operating time reaches a predetermined threshold since the last cleaning of the vacuum cleaner, this is communicated to the user by a light signal so that it can make a renewed cleaning of the vacuum cleaner, for example by replacing the dust filter bag.
the vacuum cleaner known from this document has upstream of the Staubabscheide worn on an optical sensor for detecting the entrained in the suction air flow amount of dust.
the sensor consists of a light-emitting unit and a light-receiving unit, between which the suction air flow is passed.
the dust conveyed in the suction air stream is optically detected and the measurement result stored continuously in a storage medium, so that the dust volume taken up since the last cleaning of the vacuum cleaner can be calculated.
the power of the suction fan is gradually increased, so that the suction power of the vacuum cleaner can be kept substantially constant regardless of the degree of filling of Staubabscheide listening.
This method requires by the need for a reliable and accurate optical sensor working a considerable amount of equipment.
Another vacuum cleaner and a method for its operation are disclosed in the publication DE 10 2008 010 068 A1 known.
two pressure sensors are provided, on the one hand measure the vacuum applied to the suction nozzle and on the other hand, the negative pressure in the inlet region of the suction fan and feed this signal each autonomous control loops.
a control device decides which of the control circuits takes over the control of the suction power in the specific suction task.
the performance of the suction fan is increased when the dust filter bag has increased flow resistance due to a large amount of absorbed dust.
the suction power is adjusted when the suction nozzle changes from a hard surface to a resilient carpet and reduces the amount of air drawn in between the suction nozzle and the floor in a low-resistance manner.
the invention has the object of compensating with simple apparatus means which increases with increasing degree of filling of the separator, in particular the dust filter bag, increasing pressure loss.
the invention is further based on the object reliably notify the user the actual or suspected reaching a filling limit of the separator.
the object underlying the invention is achieved in terms of a method for operating a vacuum cleaner equipped with a suction fan, in which the operating time of the suction fan is detected, that the power of the suction fan is increased in dependence on the detected increased operating time.
the suction fan has a power control, which is in operative connection with the timer.
the power for the purposes of the present invention is the electrical power that receives the suction fan. In the simplest case, the power increases linearly with the operating time. Of course, time-performance functions are possible, for. B. a gradual increase depending on the operating time.
the suction fan creates a vacuum to pick up dust-laden suction air through a suction channel and to strip the dust from the air in a separator.
the blower is downstream of the separator.
the suction channel upstream of the separation device, through which the suction air flows in order to reach the separation device usually comprises a suction nozzle and a suction pipe and / or a suction hose.
the separation device may comprise, for example, a dust filter bag or a centrifugal separator or cyclone separator.
the invention is based on the consideration that the operating time can serve as a measure of the recorded amount of dust.
the object underlying the invention is further achieved with reference to a generic method in that the achievement of a threshold for a measured or suspected accumulated dust pickup is communicated by a reduction in the power of the suction fan.
the threshold value for the measured or assumed accumulated dust uptake within the meaning of the invention can be, for example, a threshold value for the operating time, the assumption then being that the operating time is a measure of the cumulative dust uptake.
the threshold for the measured or suspected dust intake but z. B. also be a threshold value for a cumulative amount of dust, which was determined by means of a means for determining the entrained in Saug Kunststoffstrom amount of dust (eg., From the cited prior art known optical sensor system) was determined.
the power increases with increasing operating time preferably from a predetermined minimum power to a predetermined maximum power.
the power at the start of operation after cleaning the Staubsaucers corresponds to the minimum line and is increased with increasing operating time of the vacuum cleaner to the maximum power.
the power at the start of operation after cleaning the Staubsaucers corresponds to the minimum line and is increased with increasing operating time of the vacuum cleaner to the maximum power.
the user be notified of reaching a threshold for the duration of operation by a signal. The user is therefore not required to follow the time elapsed since the last cleaning of the vacuum cleaner, but is made aware of the need for re-cleaning.
a vacuum cleaner suitable for carrying out this method is preferably provided with a signaling means for indicating the achievement of a threshold for the operating period.
the signal means may, for. B. be a light source and / or an acoustic signal.
the signal can also consist in that the power of the suction fan no longer increases, but is reduced to indicate that the threshold is reached or exceeded.
the dust content in the suction air flow is determined and the threshold value for the operating time and / or the operating time-dependent control of the power of the suction fan is changed as a function of the measured dust content.
the slope of the linear relationship can be made dependent on the measured dust content, preferably on the measured dust content averaged over the operating time.
the slope is proportional to the measured dust content, particularly preferably to the measured over the operating time measured Dust content.
the height of the steps (preferably proportional) or the time interval of the steps (preferably anti-proportional) can be adjusted as a function of the measured bar content, preferably to the measured dust content averaged over the operating period.
the assumed degree of filling of the separating device more precisely coincides with its actual filling level, so that the time interval between two cleaning operations on the vacuum cleaner can be increased if the suction air flow previously carried only a relatively small amount of dust.
the dust load in the suction air flow is relatively high, a cleaning process on the vacuum cleaner is rather necessary and displayed.
the threshold value is preferably determined by extrapolation of the functional relationship between operating time and power. It is preferably the time when the maximum power is reached.
a suitable for carrying out this method vacuum cleaner is preferably equipped with means for determining the entrained in the suction air flow amount of dust, which are in operative connection with a device for power control and / or the timer. These means can, as known from the prior art, for example, consist of an optical sensor system.
the dust content in the suction air flow is not used to establish the functional relationship between operating time and power for the operating time-dependent power increase and / or for determining the threshold value. Also derived from a dust content value, z. B. the cumulative dust content, is preferably not used.
the previously recorded operating duration of the suction fan is preferably automatically reset when the vacuum cleaner is being cleaned.
the operating time is therefore the operating time after the last reset.
a suitable vacuum cleaner is preferably provided with means for resetting the timer, for example with a simple switch, which is operated by the user after the cleaning of the vacuum cleaner.
an electronic detection for example by a vacuum switch, take place.
the method according to the invention is also advantageously characterized in that the time intervals between successive cleaning operations are averaged and the mean value is used as a threshold value for the operating time and / or for the operating-time-dependent control of the power of the suction fan.
the normal dust load in the usual working environment of the vacuum cleaner flows into the estimate of the degree of filling of the dust collection chamber of the separator.
the dust collecting space is usually provided for receiving a dust filter bag.
the invention can also be used in vacuum cleaners which have a centrifugal separator or cyclone separator.
a vacuum cleaner suitable for this purpose is preferably characterized by means for averaging the operating time detected by the timer between successive cleaning operations on the vacuum cleaner.
a vacuum cleaner suitable for this purpose preferably has means for setting the desired suction power, by means of which the threshold value for the operating time and / or the power of the suction fan can be changed as a function of the desired suction power.
Vacuum cleaner 1 shown consists of a subframe 2, the housing 3 receives an electric motor driven suction fan 4.
the suction fan 4 is fluidly connected upstream with a separation device 5, which receives a replaceable dust filter bag 6.
a separation device 5 receives a replaceable dust filter bag 6.
the dust filter bag 6 opens a recessed into the housing 3 suction channel 7, which in turn cooperates via a flexible suction hose 8 and a telescopic suction tube 9 with a suction nozzle 10.
the suction nozzle 10 is placed on the substrate to be cleaned and moved after switching on the suction fan 4 back and forth.
the dust located on the ground is sucked together with ground-level air into the separator 5 and deposited in the dust filter bag 6, wherein in the flow channel between the suction nozzle 10 and Separator 5 forms a negative pressure.
the cleaned air stream is passed through the suction fan 4 and escapes through an exhaust port 11 in the housing 3 in the direction of arrow 12.
the housing 3 has a lid, not shown, after the opening of the separator 5 and thus the dust filter bag 6 located there are accessible ,
a timer 13 is arranged, which is activated when switching on the suction fan 4 and determines its operating time and accumulates accumulates.
the timer 13 is operatively connected to a device 14 for detecting a cleaning process on the vacuum cleaner 1, wherein the cleaning in the embodiment includes in particular the replacement of the dust filter bag 6.
the device 14 When inserting a new dust filter bag 6, the device 14 outputs a signal to the timer 13, which deletes the previously stored operating duration of the suction fan 4.
the determination of the operating time begins again and is transmitted to a power control 15 of the suction fan 4, which determines its performance as a function of the accumulated since the last maintenance, ie the last replacement of the dust filter bag, the vacuum cleaner 1 operating time increases and thus compensates the suspected pressure loss in the flow channel through the filling dust filter bag 6 in whole or in part.
FIG. 2 shows the course of the blower voltage U as a measure of the performance of the suction fan 4 as a function of the operating time (time t) since the last change of the dust filter bag 6 in a particularly simple embodiment of the present invention.
the power of the suction fan 4 starting from an initial power, increases linearly continuously with increasing operating time, starting from a minimum power 16, until the time t1, the maximum blower power 17 is reached. It is irrelevant whether the vacuum cleaner 1 is operated continuously or with time interruptions in this time interval.
the vacuum cleaner 1 emits an optical, tactile or acoustic signal which draws the user's attention to the presumed necessity of cleaning the vacuum cleaner 1 by replacing the dust filter bag 6.
the power of the suction fan is significantly, but not completely reduced, whereby the delivery is possibly avoided as disturbing perceived signals.
the suction fan 4 continues to run with greatly reduced, but still perceptible performance to avoid the impression of a device defect.
the vacuum cleaner 1 is equipped with means for setting the desired suction power, for example with a user-operated dial wheel acting on a potentiometer, this suction power setting can be taken into account in the determination of the operating time threshold value t1 ( Fig. 4 ). If the user continuously requests a low suction power (curve A), a later filling of the dust filter bag 6 is suspected, so that the threshold value t1 "can be shifted backward in time, but if a high suction power is always desired (curve B), the threshold value becomes It is understood that also changing specifications of the suction power can be included in the calculation of the threshold value t1.
Fig. 5 shows a possible power / time diagram for a vacuum cleaner, which is provided with means for determining the entrained in Saugluftstrom amount of dust.
the suction air flow of this vacuum cleaner initially has a relatively low dust content, whereby a threshold value t1 'can be extrapolated. After an operating period t3, the dust content increases significantly. The power of the aspirator is subsequently increased faster, the threshold t1 "is reached more quickly.

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Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Electric Vacuum Cleaner (AREA)

EP12161402.8A 2011-03-31 2012-03-27 Aspirateur et procédé destiné au fonctionnement en fonction de la durée de fonctionnement d'un aspirateur Not-in-force EP2505115B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE102011006539.3A DE102011006539B4 (de)	2011-03-31	2011-03-31	Staubsauger und Verfahren zum betriebsdauerabhängigen Betreiben eines Staubsaugers

Publications (3)

Publication Number	Publication Date
EP2505115A2 true EP2505115A2 (fr)	2012-10-03
EP2505115A3 EP2505115A3 (fr)	2017-03-29
EP2505115B1 EP2505115B1 (fr)	2020-05-06

Family

ID=45954386

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP12161402.8A Not-in-force EP2505115B1 (fr)	2011-03-31	2012-03-27	Aspirateur et procédé destiné au fonctionnement en fonction de la durée de fonctionnement d'un aspirateur

Country Status (3)

Country	Link
EP (1)	EP2505115B1 (fr)
DE (1)	DE102011006539B4 (fr)
RU (1)	RU2012112040A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102017213431B4 (de) *	2017-08-02	2019-11-14	BSH Hausgeräte GmbH	Staubsauger
DE102017124925A1 (de) *	2017-10-25	2019-04-25	Miele & Cie. Kg	Staubsauger und Verfahren zum Betreiben eines Staubsaugers
DE102020207694B4 (de)	2020-06-22	2023-11-02	BSH Hausgeräte GmbH	Verfahren zum Erkennen eines Fehlerzustands in einem Reinigungsroboter
DE102024112520A1 (de)	2024-05-03	2025-11-06	Alfred Kärcher SE & Co. KG	Verfahren zum Betreiben einer Staubsaugvorrichtung und Staubsaugvorrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS62289216A (ja)	1986-06-10	1987-12-16	Matsushita Electric Ind Co Ltd	乾燥機等のフイルタ−清掃時期報知装置
JP2668899B2 (ja)	1987-11-18	1997-10-27	松下電器産業株式会社	電気掃除機
DE102008010068A1 (de)	2008-02-20	2009-08-27	BSH Bosch und Siemens Hausgeräte GmbH	Vorrichtung zur automatischen Saugleistungsregelung eines Staubsaugers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE8029093U1 (de) *	1980-10-31	1982-04-15	Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart	Staubsauger
KR910009450B1 (ko) *	1987-10-16	1991-11-16	문수정	초전도 코일 및 그 제조법
JP3198653B2 (ja) *	1992-09-07	2001-08-13	松下電器産業株式会社	掃除機
ES2152997T3 (es) *	1994-04-21	2001-02-16	Bsh Bosch Siemens Hausgeraete	Circuito para regular la potencia de aspiracion de un aspirador de polvo.
TW579289B (en) *	2001-05-23	2004-03-11	Toshiba Tec Kk	Vacuum cleaner
DE102008005150B4 (de) *	2008-01-18	2013-09-26	BSH Bosch und Siemens Hausgeräte GmbH	Staubsauger und Verfahren zum Betreiben eines Staubsaugers
DE102009035717A1 (de) *	2009-07-31	2011-02-10	Miele & Cie. Kg	Verfahren zur Anzeige eines Füllgrads eines Staubbeutels und Steuerungsvorrichtung zur Ausführung des Verfahrens

2011
- 2011-03-31 DE DE102011006539.3A patent/DE102011006539B4/de not_active Expired - Fee Related
2012
- 2012-03-27 EP EP12161402.8A patent/EP2505115B1/fr not_active Not-in-force
- 2012-03-29 RU RU2012112040/12A patent/RU2012112040A/ru not_active Application Discontinuation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS62289216A (ja)	1986-06-10	1987-12-16	Matsushita Electric Ind Co Ltd	乾燥機等のフイルタ−清掃時期報知装置
JP2668899B2 (ja)	1987-11-18	1997-10-27	松下電器産業株式会社	電気掃除機
DE102008010068A1 (de)	2008-02-20	2009-08-27	BSH Bosch und Siemens Hausgeräte GmbH	Vorrichtung zur automatischen Saugleistungsregelung eines Staubsaugers

Also Published As

Publication number	Publication date
EP2505115B1 (fr)	2020-05-06
RU2012112040A (ru)	2013-10-10
DE102011006539A1 (de)	2012-10-04
EP2505115A3 (fr)	2017-03-29
DE102011006539B4 (de)	2019-11-14

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