DE2748174A1 - Vacuum cleaner with filter indicator - has control switch switching off machine when filter needs cleaning - Google Patents
Vacuum cleaner with filter indicator - has control switch switching off machine when filter needs cleaningInfo
- Publication number
- DE2748174A1 DE2748174A1 DE19772748174 DE2748174A DE2748174A1 DE 2748174 A1 DE2748174 A1 DE 2748174A1 DE 19772748174 DE19772748174 DE 19772748174 DE 2748174 A DE2748174 A DE 2748174A DE 2748174 A1 DE2748174 A1 DE 2748174A1
- Authority
- DE
- Germany
- Prior art keywords
- vacuum cleaner
- switch
- filter
- monitoring device
- machine
- 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.)
- Withdrawn
Links
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
- A47L9/28—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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
Description
Staubsauger mit Oberwachungseinrichtung Vacuum cleaner with monitoring device
für die Filterdurchlässigkeit. for the filter permeability.
Die Erfindung bezieht sich auf einen Staubsauger mit Oberwachungseinrichtung für die Filterdurchlässigkeit zur Verbindung mit staubverursachenden Maschinen, insbesondere Werkzeugmaschinen. Wenn die Absaugleistung eines solchen Staubsaugers durch Zusetzen des Filters unter einen bestimmten Mindestwert sinkt, zeigt eine von einer Oberwachungseinrichtung gesteuerte Signallampe dies an. Sofern es sich um Staubsauger handelt, die ausschließlich zu Reinigungszwecken verwendet werden, reicht eine solche Signalgabe aus, da außer dem schlechteren Wirkungsgrad des Staubsaugers keine sonstigen Nachteile auftreten. Wird dagegen ein Staubsauger für die Absaugung von Staub, Spänen od. dgl. an Werkzeugmaschinen eingesetzt, dann kann ein weiteres Arbeiten mit zugesetztem Filter gesundheitliche Schäden bei der Bedienungsperson hervorrufen, welche den nicht abgesaugten Staub einatmet. Die Aufgabe der vorliegenden Erfindung ist es, eine Oberwachungseinrichtung zu schaffen, die nicht nur durch ein Signal das Zusetzen des Filters anzeigt, sondern gleichzeitig auch die angeschlossene Maschine stillsetzt. Dies wird erfindungsgemäß durch die Anordnung eines Stromanschlusses, insbesondere einer Steckdosefür die Maschine am Staubsauger erreicht, wobei der Stromanschluß von der Oberwachungseinrichtung bei zugesetztem Filter ausgeschaltet wird. Auf diese Weise ist ein Obersehen der Signalanlage ausgeschlossen, vielmehr kann die Bedienungsperson mit dem Gerät erst dann wieder weiterarbeiten, wenn der Filter entsprechend gereinigt wurde.The invention relates to a vacuum cleaner with a monitoring device for filter permeability for connection with dust-producing machines, in particular machine tools. When the suction power of such a vacuum cleaner by clogging the filter falls below a certain minimum value, this is indicated by a signal lamp controlled by a monitoring device. Provided it is a vacuum cleaner that is used exclusively for cleaning purposes such signaling is sufficient, because apart from the poorer efficiency the vacuum cleaner no other disadvantages occur. On the other hand, it becomes a vacuum cleaner for the suction of dust, chips or the like. Used on machine tools, then Further work with added filters can be harmful to health Produce operator who inhales the dust that has not been extracted. The task The present invention is to provide a monitoring device which not only indicates the clogging of the filter by a signal, but at the same time also stops the connected machine. According to the invention, this is achieved by the Arrangement of a power connection, in particular a socket for the machine on Vacuum cleaner reached, with the power connection from the monitoring device at clogged filter is switched off. In this way there is an overlook of the signal system excluded, rather the operator can only then use the device again keep working when the filter has been cleaned accordingly.
Vorzugsweise ist ein besonderer Ein- und Ausschalter für den Stromanschluß vorgesehen, welcher von der Oberwachungseinrichtung gesteuert wird. Dabei ist es zweckmäßig, nur die Ausschaltung durch die überwachungseinrichtung vornehmen zu lassen, während die Einschaltung nur von hand möglich sein soll. Auf diese Weise wird vermieden, daß nach einiger Zeit auf ungewollte Weise eine selbsttätige Wiedereinschaltung der Maschine erfolgt. Besonders geeignet ist für diesen Zweck ein Bimetallschalter. Zusätzlich sollte jedoch noch die bekannte, von der Oberwachungseinrichtung gesteuerte Sichtanzeige, insbesondere Lampe, vorgesehen sein, damit die Bedienungsperson beim selbsttätigen Ausschalten der Maschine sofort erkennen kann, weshalb die Abschaltung erfolgte.A special on / off switch for the power connection is preferred provided, which is controlled by the monitoring device. It is there expedient to only switch off by the monitoring device while switching on should only be possible by hand. In this way this prevents an unintentional automatic restart after a while the machine takes place. A bimetal switch is particularly suitable for this purpose. In addition, however, the known, controlled by the monitoring device should be used Visual display, in particular lamp, be provided so that the operator when automatic shutdown of the machine can immediately recognize why the shutdown took place.
blach einem weiteren Merkmal der Erfindung ist der mit dem Ein- und Ausschalter elektrisch hintereinander geschaltete Stromanschluß zusammen mit diesem parallel zum Staubsaugermotor angeordnet. Bei Verwendung eines Bimetallschalters ist dessen Heizwicklung zweckmäßig elektrisch hintereinander mit einem Schalter der Oberwachungseinrichtung verbunden, und mit diesem zusammen wiederum parallel zum Staubsaugermotor geschaltet. Zur Regelung der Zeit vom Ansprechen der Oberwachungseinrichtung bis zum Abschalten der angeschlossenen Maschine wird für die lieizwicklung des Bimetallschalters ein Vorwiderstand verwendet.Another feature of the invention is that with the input and Off switch electrically connected in series power connection together with this arranged parallel to the vacuum cleaner motor. When using a bimetal switch its heating coil is useful electrically one behind the other with a switch the monitoring device connected, and together with this in turn connected in parallel to the vacuum cleaner motor. To regulate the time of response the monitoring device until the connected machine is switched off A series resistor is used for the coil of the bimetal switch.
Dadurch wird verhindert, daß der Bimetallschalter schon dann abschaltet, wenn sich beim Arbeiten lediglich ein kurzfristiger Knick im Saugschlauch ergibt. Im Stromkreis der Heizwicklung ist weiterhin noch der Einn- und Ausschalter angeordnet, so daß bei Abschalten durch den Bimetallschalter das Aufheizen der Heizwicklung ebenfalls beendet wird. Wenn die Sichtanzeige mit einem Schalter der Oberwachungseinrichtung elektrisch hintereinander und zusammen mit diesen parallel zum Staubsaugermotor geschaltet ist, dann bleibt jedoch die Sichtanzeige trotz abgeschalteter Heizwicklung des Bimetallschalters erhalten.This prevents the bimetal switch from switching off as soon as if there is only a brief kink in the suction hose while working. The on / off switch is still located in the heating coil circuit, so that when the bimetal switch is switched off, the heating coil is heated up is also terminated. If the visual display with a switch of the monitoring device electrically one behind the other and together with these parallel to the vacuum cleaner motor is switched, however, the visual display remains despite the heating coil being switched off of the bimetal switch.
Die Zeichnung zeigt ein Ausführungsbeispiel der Erfindung.The drawing shows an embodiment of the invention.
Es stellen dar: Figur 1 die teilweise geschnittene Vorderansicht eines Staubsaugers, Figur 2 ein Schaltbild.The figures show: FIG. 1 the partially sectioned front view of a Vacuum cleaner, Figure 2 is a circuit diagram.
Außen auf dom Staubsaugergehluse 1 sind die Steckdose 2 zum Anschluß einer Werkzeugiaschine und die Sichtanzeige 3 für den Filterzustand in Form einer Lampe angeordnet.Outside on the dome vacuum cleaner housing 1 are the socket 2 for connection a machine tool and the display 3 for the filter condition arranged in the form of a lamp.
Innerhalb des Gehäuses sind, wie gestrichelt dargestellt ist, die Oberwachungseinrichtung 4 und der Bimetallschalter 5 vorgesehen.Inside the housing are, as shown in dashed lines, the Monitoring device 4 and the bimetal switch 5 are provided.
Aus dem Schaltbild nach Fig. 2 ist ersichtlich, daß der Staubsaugermotor 6 über den Schalter 7 am Netz angeschlossen ist. Durch den Unterdruck, der sich beim Zusetzen des nicht dargestellten Filters des Staubsaugers zwischen Motorgebläse und Filter ergibt, wird ein Pneumatikschalter 8 zum Ansprechen gebracht. Durch diesen Pneumatikschalter wird die Lampe 3, welche elektrisch parallel zum Staubsaugermotor 6 geschaltet ist, mit Spannung versorgt. Außerdem liegt ebenfalls parallel zum Staubsaugermotor 6 die Steckdose 2, in deren Stromkreis der Bimetallschalter 5 angeordnet ist. Dessen Heizwicklung lo liegt in Hintereinanderschaltung mit einem Vorwiderstand 9 ebenfalls parallel zum Staubsaugermotor 6, jedoch nach dem Pneumatikschalter 8.From the circuit diagram of Fig. 2 it can be seen that the vacuum cleaner motor 6 is connected to the mains via switch 7. Because of the negative pressure when adding the filter, not shown, of the vacuum cleaner between the motor fan and filter results, a pneumatic switch 8 is made to respond. Through this Pneumatic switch is the lamp 3, which is electrically parallel to the vacuum cleaner motor 6 is switched, supplied with voltage. It is also parallel to the vacuum cleaner motor 6 the socket 2, in the circuit of which the bimetal switch 5 is arranged. Whose Heating winding lo is also connected in series with a series resistor 9 parallel to the vacuum cleaner motor 6, but after the pneumatic switch 8.
Wenn nunmehr der Pneumatikschalter 8 schließt, dann leuchtet die Signallampe 3 auf und die Heizwicklung 10 des Bimetallschalters 5 wird über den Vorwiderstand 9 erwärmt. Dieser Vorwiderstand bestimmt die Zeit, die vom Ansprechen des Pneumatikschalters 8 bis zum Auslösen des Bimetallschalters vergehen soll. Sobald die entsprechende Temperatur erreicht ist, öffnet sich der Bimetallschalter 5, wodurch gleichzeitig die Steckdose 2 und die Heizwicklung lo des Bimetallschalters 5 stromlos werden. Die nicht dargestellte angeschlossene Maschine kont daher zum Stillstand, und die Bedienungsperson kann an der Signallanpe 3 erkennen, daß die Abschaltung infolge zu starker Zusetzung des Filters erfolgte. Nach Reinigung des Filters wird dann der Bimetallschalter 5 von Hand eingeschaltet, und da der Pneumatikschalter 8 infolge des freien Filters wieder öffnet, liegt Spannung an der Steckdose 2 und die angeschlossene Maschine kann wiederum arbeiten.When the pneumatic switch 8 now closes, the signal lamp lights up 3 and the heating coil 10 of the bimetal switch 5 is via the series resistor 9 heated. This series resistance determines the time it takes for the Pneumatic switch 8 should pass before the bimetal switch is triggered. As soon as the appropriate Temperature is reached, the bimetal switch 5 opens, whereby at the same time the socket 2 and the heating coil lo of the bimetal switch 5 are de-energized. The connected machine, not shown, therefore comes to a standstill, and the Operator can see on the signal flap 3 that the shutdown as a result The filter was too clogged. After cleaning the filter is then the bimetal switch 5 switched on by hand, and since the pneumatic switch 8 as a result of the free filter opens again, there is voltage at socket 2 and the connected Machine can work again.
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772748174 DE2748174A1 (en) | 1977-10-27 | 1977-10-27 | Vacuum cleaner with filter indicator - has control switch switching off machine when filter needs cleaning |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772748174 DE2748174A1 (en) | 1977-10-27 | 1977-10-27 | Vacuum cleaner with filter indicator - has control switch switching off machine when filter needs cleaning |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2748174A1 true DE2748174A1 (en) | 1979-05-03 |
Family
ID=6022403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19772748174 Withdrawn DE2748174A1 (en) | 1977-10-27 | 1977-10-27 | Vacuum cleaner with filter indicator - has control switch switching off machine when filter needs cleaning |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2748174A1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3219391A1 (en) * | 1982-05-24 | 1983-11-24 | Guido Oberdorfer Wap-Maschinen, 7919 Bellenberg | Vacuum cleaner |
DE3325498A1 (en) * | 1983-07-14 | 1985-01-31 | Kaltenbach & Voigt Gmbh & Co, 7950 Biberach | Process and device for extracting dusts |
DE3538449A1 (en) * | 1985-10-29 | 1987-04-30 | Buero Hans Nerb Ing | Method and device for monitoring the cleaning state of food lines for free-flowing foods |
DE9005070U1 (en) * | 1990-05-04 | 1991-06-20 | WAP Reinigungssysteme GmbH & Co, 7919 Bellenberg | Automatic switch-on for a suction device |
EP0563788A1 (en) * | 1992-04-02 | 1993-10-06 | WAP Reinigungssysteme GmbH & Co. | Working process for a wet-dry cleaner having an automatic cut-out system and wet-dry cleaner operating accordingly |
EP0564817A1 (en) * | 1992-03-27 | 1993-10-13 | WAP Reinigungssysteme GmbH & Co. | Wet-dry cleaner with deduster and additional electric tool |
US5256906A (en) * | 1991-04-19 | 1993-10-26 | Makita Corporation | Mechanism for switching from independent to synchronous, or vice versa the operational setting of a dust collector with a receptacle for supplying another power tool with which the dust collector is to be operated synchronously |
US5747973A (en) * | 1996-12-11 | 1998-05-05 | Shop Vac Corporation | Current regulating switch circuit |
DE29806182U1 (en) | 1998-04-03 | 1998-06-18 | Wacker Werke GmbH & Co. KG, 80809 München | Cable drum with integrated suction air source |
GB2377622A (en) * | 2001-07-16 | 2003-01-22 | Vax Ltd | Vacuum cleaner with indicator to show the absence of a filter element |
-
1977
- 1977-10-27 DE DE19772748174 patent/DE2748174A1/en not_active Withdrawn
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3219391A1 (en) * | 1982-05-24 | 1983-11-24 | Guido Oberdorfer Wap-Maschinen, 7919 Bellenberg | Vacuum cleaner |
DE3325498A1 (en) * | 1983-07-14 | 1985-01-31 | Kaltenbach & Voigt Gmbh & Co, 7950 Biberach | Process and device for extracting dusts |
DE3538449A1 (en) * | 1985-10-29 | 1987-04-30 | Buero Hans Nerb Ing | Method and device for monitoring the cleaning state of food lines for free-flowing foods |
DE9005070U1 (en) * | 1990-05-04 | 1991-06-20 | WAP Reinigungssysteme GmbH & Co, 7919 Bellenberg | Automatic switch-on for a suction device |
US5256906A (en) * | 1991-04-19 | 1993-10-26 | Makita Corporation | Mechanism for switching from independent to synchronous, or vice versa the operational setting of a dust collector with a receptacle for supplying another power tool with which the dust collector is to be operated synchronously |
EP0564817A1 (en) * | 1992-03-27 | 1993-10-13 | WAP Reinigungssysteme GmbH & Co. | Wet-dry cleaner with deduster and additional electric tool |
EP0563788A1 (en) * | 1992-04-02 | 1993-10-06 | WAP Reinigungssysteme GmbH & Co. | Working process for a wet-dry cleaner having an automatic cut-out system and wet-dry cleaner operating accordingly |
US5747973A (en) * | 1996-12-11 | 1998-05-05 | Shop Vac Corporation | Current regulating switch circuit |
DE29806182U1 (en) | 1998-04-03 | 1998-06-18 | Wacker Werke GmbH & Co. KG, 80809 München | Cable drum with integrated suction air source |
GB2377622A (en) * | 2001-07-16 | 2003-01-22 | Vax Ltd | Vacuum cleaner with indicator to show the absence of a filter element |
GB2377622B (en) * | 2001-07-16 | 2004-09-01 | Vax Ltd | Vacuum cleaner with indicator to show the abscence of a filter element |
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Legal Events
Date | Code | Title | Description |
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8139 | Disposal/non-payment of the annual fee |