EP2257211B1 - Fernausschaltgerät für eine absaug- oder belüftungsvorrichtung - Google Patents

Fernausschaltgerät für eine absaug- oder belüftungsvorrichtung Download PDF

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Publication number
EP2257211B1
EP2257211B1 EP09726589.6A EP09726589A EP2257211B1 EP 2257211 B1 EP2257211 B1 EP 2257211B1 EP 09726589 A EP09726589 A EP 09726589A EP 2257211 B1 EP2257211 B1 EP 2257211B1
Authority
EP
European Patent Office
Prior art keywords
sealing member
suction
shut
down device
shutter
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
EP09726589.6A
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English (en)
French (fr)
Other versions
EP2257211A2 (de
Inventor
Gilles Lely
Manuel Didierjean
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.)
Aldes Aeraulique SA
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Aldes Aeraulique SA
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Filing date
Publication date
Application filed by Aldes Aeraulique SA filed Critical Aldes Aeraulique SA
Publication of EP2257211A2 publication Critical patent/EP2257211A2/de
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Publication of EP2257211B1 publication Critical patent/EP2257211B1/de
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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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/38—Built-in suction cleaner installations, i.e. with fixed tube system to which, at different stations, hoses can be connected
    • 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
    • A47L9/32—Handles

Definitions

  • the invention relates to a remote shutdown device for a suction or ventilation installation.
  • a suction or ventilation installation generally comprises a suction box, a motorized suction turbine pneumatically connected to the outlet orifice of the box and at least one pipe, one end of which opens into the box.
  • the suction assembly is disposed with its dust container in a technical room and the duct opening into the box is part of a network of ducts connecting the plant to suction sockets. arranged in the areas to be cleaned.
  • Each suction port is closed by a hinged lid and can receive the rear end of a hose whose front end with a handle is adapted to receive a rigid tubular extension or suction members.
  • the document EP 0 695 137 discloses a remote shut-off device for a suction or ventilation installation, comprising a suction duct and a shutter, the suction duct being intended to be connected to the suction or ventilation installation at a downstream end, in the direction of flow of the suction flow, and to be connected to a suction nozzle at an upstream end, the shutter being pivoted between a suction position in which it not closing the duct, so as to achieve suction at the nozzle, and a closed position, in which it closes the duct, so as to generate a significant depression downstream of the stop device, for be detected by the suction or ventilation system in order to generate a stop.
  • Another known device is described by the document DE 31 42 060 A1 .
  • the invention aims to overcome this disadvantage by providing a remote shutdown device for a suction or ventilation system to prevent an unwanted shutdown of the installation during its restart.
  • the invention relates to a remote stop device of the aforementioned type, characterized in that it comprises elastic return means, arranged to return the shutter from the closed position to the suction position when the depression downstream of the shutter is low, that is to say after stopping the suction or ventilation system, the shutter being actuated by actuating means on a first part of the race , so as to partially close the suction duct, and being designed to be actuated solely by the depression created in the suction duct downstream of the shutter, on a second stroke portion, so as to completely close the duct suction.
  • the actuating means are for example in the form of a button.
  • the return means thus make it possible to avoid the risk of manipulation error by the user by ensuring that the shutter is in the suction position when the system is restarted.
  • the efforts required to operate the button are limited. Indeed, the actuation of the button is performed on a limited stroke, corresponding to the first part of the shutter stroke. In other words, the button does not accompany the shutter over its entire course. Thus, the effort to be applied to the button by the user, necessary to oppose the return force generated by the elastic return means, is substantially reduced. The ergonomics of the stop device is thus improved.
  • the user first actuates the button so that the shutter is driven on the first part of its stroke, then the depression continues alone to cause the shutter on the remaining part of the race, until the complete shutter suction duct. As seen above, this last position is maintained until the stop of the installation.
  • the stop device comprises a body having a wall delimiting the suction duct, and a portion forming an outgrowth with respect to the suction duct in which are housed, at least in part, the shutter, the means actuation and / or elastic return means.
  • the body comprises an abutment against which the shutter is intended to come to bear in the closed position.
  • the shutter position is precisely determined by the position of the stop.
  • the stop is formed in the inner wall of the suction duct.
  • the elastic return means comprise a tension spring comprising a first end connected to the body and a second end connected to the shutter.
  • the stop device comprises stops arranged to delimit the stroke of the actuating means.
  • the body is formed of two complementary molded parts, each delimiting a portion of the suction duct and the protrusion.
  • This feature facilitates the mounting of the stop device.
  • the shutter comprises a closure wall having a shape complementary to that of the section of the suction duct, the wall having a concave face turned towards the downstream end of the suction duct, in a position of shutter.
  • the suction duct has a substantially cylindrical shape, the shutter being arranged, because of the concavity of its closure wall, so that said wall is arranged, in position d shutter, in the extension of the inner wall of the suction duct.
  • the suction pipe has a surface continuity when the shutter is in the suction position. The risk of clogging and loss of loads inside the duct are then limited.
  • the actuating means are slidably mounted on the body and cooperate with the shutter so as to allow its rotation during the translation of the actuating means.
  • the shutter comprises a heel intended to come into contact with a cam of the actuating means, during the rotation of the shutter on the first stroke portion, the heel being disengaged from the cam during the rotation of the shutter on the second part of the race.
  • the shutter comprises a foot, having a generally elongated shape, attached to the closure wall, behind the concave face, the heel being disposed at the free end of the foot, the axis of rotation of the shutter being attached to the foot, between the heel and the end of the foot attached to the closure wall.
  • the second end of the elastic return means is connected to the shutter, at the heel or a zone located near it.
  • the shutter has a center of gravity which is offset with respect to its center of rotation, so that, after actuation of the shutter on the first part of the race, the projection of the center gravity, on the axis passing through the center of rotation and oriented along the axis of the suction duct, is spaced from the center of rotation.
  • the shutter comprises an arm driven in rotation by the actuating means, on the first part of the shutter stroke.
  • the shutter comprises an arm rotated by the actuating means on the first part of the shutter stroke.
  • the second end of the elastic return means is connected to the shutter, at the arm or an area located near it.
  • the casing 2 is connected to one or more suction wall outlets 6, distributed in a building, via ducts 7.
  • the ends of the ducts are equipped with flaps or butterflies 8, 9, as is known to the prior art.
  • a tubular hose 10, comprising a connection piece 11, is inserted into the wall socket so as to ensure a tight connection between the pipe and the hose.
  • the hose 10 further comprises a second end connected to a remote stop device 12 forming a handle, the structure of which will be detailed below.
  • the remote shut-off device is furthermore equipped with a tubular nozzle 13, intended for attaching suction accessories, with or without an extension tube.
  • the Figures 2 to 7 represents a remote stop device 12 for a suction or ventilation installation 1.
  • the latter comprises a body 14 intended to form a handle and delimiting a suction duct 15, as well as a shutter 19 pivotally mounted on the body 14.
  • the suction duct 15 is intended to be connected to the hose 10 at a downstream end 16, in the direction of flow of the suction flow F, and to be connected to the suction nozzle 13 at one end. upstream 17. More particularly, the downstream end 16 has an internal thread 18 intended to cooperate with a thread of the hose 10, the upstream end having external ribs for fixing the endpiece 13.
  • the shutter 19 is pivotally mounted on the body 14, between a suction position ( Figures 2 to 4 ) in which it does not close the duct 15, so as to be able to achieve suction at the endpiece 13, and a closed position ( figure 6 ), in which it closes the conduit 15, so as to generate a significant depression downstream of the stop device 12, to be detected by the suction or ventilation system 1 to generate its stop.
  • the axis of rotation of the shutter 19 is designated by the reference A.
  • the shutter 19 is actuated by a button 20 on a first stroke portion, so as to partially close the suction duct 15 ( figure 5 ), and is designed to be actuated solely by the depression created in the suction duct 15 downstream of the shutter 19, on a second stroke portion, so as to completely close the suction duct 15 ( figure 6 ).
  • the body 14 is formed of two complementary molded parts, each delimiting a portion of the suction duct 15. For reasons of visibility, a part of the body has been removed from the figures 3 and 5 to 7 .
  • the body further defines a housing 23 for the button 20 and the shutter 19, each portion of the body 14 forming a portion of said housing 23.
  • the housing 23 forms, at least in part, an outgrowth with respect to the suction duct 15 .
  • the inner wall of the suction duct 15 further comprises a stop 24 against which the shutter 19 is intended to bear in the closed position.
  • the shutter 19 has a closure wall 25 having a concave shape complementary to that of the section of the suction duct 15, as can be seen in FIG. figure 4 .
  • the concavity is turned towards the downstream end 16 of the suction duct 15, in the suction position of the shutter 19.
  • the suction duct 15 also has a substantially cylindrical shape, the shutter 19 being arranged, because of the concavity of its closure wall 25, so that said wall is arranged, in the suction position of the shutter 19, in the extension of the inner wall of the suction duct 15, as appears more particularly in the figure 4 .
  • the shutter 19 further comprises a foot 26, having a generally elongate shape, attached to the closure wall 25, behind the concave face.
  • a heel 27 is disposed at the free end of the foot 26.
  • the axis of rotation A of the shutter 19 is attached to the foot 26, between the heel 27 and the end of the foot attached to the closure wall 25.
  • the heel 27 is intended to come into contact with a cam 28 formed on the button 20, during the rotation of the shutter 19 on the first stroke portion, the heel 27 being disengaged from the cam 28 during the rotation of the the shutter 19 on the second part of the race.
  • the button 20 is slidably mounted on the body 14 and thus cooperates with the shutter 19 so as to allow its rotation during the translation of the button 20.
  • the stroke of the button 20 is delimited by the stops 21,22 provided on the body 14.
  • the stop device 12 comprises resilient return means 29, arranged to return the shutter 19 from the closed position to the suction position, when the depression downstream of the shutter is low, that is, ie after stopping the suction or ventilation system 1.
  • the elastic return means comprise a tension spring 29 comprising a first end connected to the body 14, on the downstream end 16 side thereof with respect to the shutter 19, and a second end connected to the shutter 19, at the heel 27 or an area located near it, the foot 26 then forming a lever arm.
  • the shutter 19 is held in the suction position by the elastic return means 29 as shown in FIGS. Figures 3 and 4 .
  • the installation can then be started, preferably remotely.
  • the starting means of the installation are known to those skilled in the art and will not be detailed here.
  • the shutter 19 partially closes the suction duct 15 and is subjected to a torque exerted by the depression established downstream of the shutter, on the side of the end 16 of the body 14.
  • This torque reaches a value sufficient to oppose the return spring 29 so that the shutter 19 continues its pivoting movement under the action of the depression until it abuts against the stop 24 of the 14. In this position, the duct 15 is completely closed and the value of the depression downstream of the shutter 19 increases rapidly until reaching a threshold value detected by the installation and triggering its shutdown.
  • the effort required to operate the button 20 are limited. Indeed, the actuation of the button 20 is performed on a limited stroke and the button does not accompany the shutter 19 on the entire stroke of the latter. Therefore, the effort to be applied to the button by the user, necessary to oppose the return force generated by the elastic return means 29, is substantially reduced. The ergonomics of the stop device is thus improved.
  • the depression downstream of the shutter 19 drops gradually to a threshold from which the return means 29 exert a greater torque on the shutter 19 that the depression itself.
  • the structure of the stop device differs in that the shutter 19 has a generally cylindrical or spherical shape and is pivotally mounted in a housing 30 of the body of complementary shape.
  • the shutter has a through-hole 31 whose inner wall is located in line with that of the suction duct 15, in the suction position of the shutter 19, as can be seen in FIG. figure 8 .
  • the stop device 12 has in this a structure similar to that of a ball valve.
  • the shutter is designed so that its center of gravity G is offset from its center of rotation R.
  • the shutter 19 is arranged so that, in the suction position, the projection of the center of gravity G, on the axis B passing through the center of rotation and oriented along the axis C of the suction duct 15, either coincides with the center of rotation R.
  • the center of gravity G is located at the right of the center of rotation R of the shutter.
  • Button 20 differs from that described with reference to the embodiment shown in FIGS. Figures 2 to 7 in that it is pivotally actuated relative to the body 14.
  • the shutter 19 comprises an arm 32 coming into contact with the button 20 so as to be driven by it, on the first stroke portion of the shutter 19, the second end of the elastic return means 29 being linked. at the shutter, at the arm 32 or an area located near it.
  • the actuation of the button 20 causes the shutter 19 to rotate on a first part of its stroke.
  • the shutter thus partially closes the suction duct 15.
  • the projection P of the center of gravity G is offset with respect to the center of rotation R, upstream thereof.
  • the shutter could be arranged so that the projection P is offset downstream of the center of rotation R.
  • the shutter 19 After stopping the installation, the shutter 19 returns to its original position by means of elastic return means 29.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Flow Control Members (AREA)
  • Endoscopes (AREA)
  • Ventilation (AREA)

Claims (15)

  1. Fernausschaltgerät (12) für eine Absaug- oder Belüftungsvorrichtung (1), umfassend eine Absaugleitung (15) sowie einen Verschluss (19), wobei die Absaugleitung ausgelegt ist, um mit der Absaug- oder Belüftungsvorrichtung auf der Ebene eines nachgelagerten Endes (16) in der Richtung der Zirkulierung des Absaugflusses (F) verbunden zu sein, und um mit einem Absaug-Ansatzstück (13) an einem vorgelagerten Ende verbunden zu sein, wobei sich der Verschluss (19) zwischen einer Absaugposition, in der er die Leitung (15) nicht verschließt, um eine Absaugung auf der Ebene des Ansatzstücks (13) durchführen zu können, und einer Verschlussposition dreht, in der er die Leitung (15) verschließt, um einen bedeutenden Unterdruck nachgelagert vom Ausschaltgerät (12) zu erzeugen, der ausgelegt ist, um von der Absaug- oder Belüftungsvorrichtung (1) nachgewiesen zu werden, um seine Ausschaltung zu erzeugen, wobei das Gerät elastische Rückholmittel (29) umfasst, die ausgelegt sind, um den Verschluss (19) aus der Verschlussposition in die Absaugposition zurückzuführen, wenn der Unterdruck nachgelagert vom Verschluss schwach ist, d.h. nach dem Ausschalten der Absaug- oder Belüftungsvorrichtung, dadurch gekennzeichnet, dass der Verschluss (19) durch Betätigungsmittel (20) auf einem ersten Teil des Laufs betätigt wird, um teilweise die Absaugleitung (15) zu schließen, und entworfen ist, um ausschließlich durch den Unterdruck betätigt zu werden, der in der Absaugleitung (15), nachgelagert vom Verschluss (19), auf einem zweiten Teil des Laufs erzeugt wird, um die Absaugleitung (15) vollständig zu schließen,
  2. Ausschaltgerät (12) nach Anspruch 1, dadurch gekennzeichnet, dass es einen Körper (14) aufweist, der eine Wand umfasst, die die Absaugleitung (15) begrenzt, und einen Teil (23), der einen Vorsprung mit Bezug auf die Absaugleitung bildet, in der, mindestens teilweise, der Verschluss (19), die Betätigungsmittel (20) und/oder die elastischen Rückholmittel (29) aufgenommen sind.
  3. Ausschaltgerät (12) nach Anspruch 2, dadurch gekennzeichnet, dass der Körper (14) einen Anschlag (24) umfasst, wobei der Verschluss (19) dazu ausgelegt ist, gegen diesen in der Verschlussposition aufzuliegen.
  4. Ausschaltgerät (12) nach Anspruch 3, dadurch gekennzeichnet, dass der Anschlag (24) in der inneren Wand der Absaugleitung (15) angeordnet ist.
  5. Ausschaltgerät (12) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die elastischen Rückholmittel eine Zugfeder (29) aufweisen, die ein erstes Ende umfasst, das mit dem Körper (14) verbunden ist, und ein zweites Ende, das mit dem Verschluss (19) verbunden ist.
  6. Ausschaltgerät (12) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass es Anschläge (21, 22) umfasst, die angeordnet sind, um den Lauf der Betätigungsmittel (20) zu begrenzen.
  7. Ausschaltgerät (12) nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass der Körper (14) aus zwei komplementären geformten Teilen gebildet ist, die jeweils einen Teil der Absaugleitung (15) und des Vorsprungs (23) begrenzen.
  8. Ausschaltgerät (12) nach einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, dass der Verschluss (19) eine Verschlusswand (25) umfasst, die eine Form aufweist, die komplementär zu derjenigen des Abschnitts der Absaugleitung (15) ist, wobei die Verschlusswand (25) eine konkave Seite aufweist, die in der Verschlussposition auf die Seite des nachgelagerten Endes (16) der Absaugleitung (15) gerichtet ist.
  9. Ausschaltgerät (12) nach Anspruch 8, dadurch gekennzeichnet, dass die Absaugleitung (15) eine im Wesentlichen zylindrische Form aufweist, wobei der Verschluss (19) aufgrund der Konkavität seiner Verschlusswand (25) derart angeordnet ist, dass sich die Wand in der Verschlussposition in der Verlängerung der inneren Wand der Absaugleitung (15) befindet.
  10. Ausschaltgerät (12) nach einem der Ansprüche 2 bis 9, dadurch gekennzeichnet, dass die Betätigungsmittel (20) gleitend auf dem Körper (14) montiert sind und mit dem Verschluss (19) zusammenarbeiten, um seine Drehung bei der Translation der Betätigungsmittel zu ermöglichen.
  11. Ausschaltgerät (12) nach Anspruch 10, dadurch gekennzeichnet, dass der Verschluss (19) einen Absatz (27) umfasst, der ausgelegt ist, um mit einem Nocken (28) der Betätigungsmittel (20) bei der Drehung des Verschlusses (19) auf dem ersten Teil des Laufs in Kontakt zu kommen, wobei der Absatz (27) vom Nocken (28) bei der Drehung des Verschlusses (19) auf dem zweiten Teil des Laufs gelöst ist.
  12. Ausschaltgerät (12) nach Anspruch 11, dadurch gekennzeichnet, dass der Verschluss (19) einen Fuß (26) umfasst, der im Allgemeinen eine verlängerte Form aufweist, der an die Verschlusswand (25), hinter der konkaven Seite, befestigt ist, wobei der Absatz (27) auf der Ebene des freien Endes des Fußes (26) angeordnet ist, wobei die Drehachse (A) des Verschlusses an den Fuß (26), zwischen dem Absatz (27) und dem Ende des Fußes, das mit der Verschlusswand (25) verbunden ist, befestigt ist.
  13. Ausschaltgerät (12) nach Anspruch 5 und nach einem der Ansprüche 11 und 12, dadurch gekennzeichnet, dass das zweite Ende der elastischen Rückholmittel (29) auf der Ebene des Absatzes (27) oder eines Bereichs, der sich in der Nähe dieses befindet, mit dem Verschluss (19) verbunden ist.
  14. Ausschaltgerät (12) nach einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, dass der Verschluss (19) einen Schwerpunkt (G) aufweist, der mit Bezug auf sein Drehzentrum (R) versetzt ist, so dass nach der Betätigung des Verschlusses (19) auf dem ersten Teil des Laufs die Projektion (P) des Schwerpunkts (G) auf die Achse (B), die durch das Drehzentrum (R) verläuft und gemäß die Achse (C) der Absaugleitung (15) ausgerichtet ist, vom Drehzentrum (R) entfernt ist.
  15. Ausschaltgerät (12) nach Anspruch 14, dadurch gekennzeichnet, dass der Verschluss (19) einen Arm (32) umfasst, der durch die Betätigungsmittel (20) auf dem ersten Teil des Laufs des Verschlusses in Drehung versetzt wird, und das zweite Ende der elastischen Rückholmittel (29) auf der Ebene des Arms (32) oder eines Bereichs, der sich in der Nähe dieses befindet, mit dem Verschluss (19) verbunden ist.
EP09726589.6A 2008-03-31 2009-03-17 Fernausschaltgerät für eine absaug- oder belüftungsvorrichtung Active EP2257211B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0801760A FR2929096B1 (fr) 2008-03-31 2008-03-31 Dispositif d'arret a distance pour une installation d'aspiration ou de ventilation
PCT/FR2009/050431 WO2009122081A2 (fr) 2008-03-31 2009-03-17 Dispositif d'arret a distance pour une installation d'aspiration ou de ventilation

Publications (2)

Publication Number Publication Date
EP2257211A2 EP2257211A2 (de) 2010-12-08
EP2257211B1 true EP2257211B1 (de) 2015-01-07

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Application Number Title Priority Date Filing Date
EP09726589.6A Active EP2257211B1 (de) 2008-03-31 2009-03-17 Fernausschaltgerät für eine absaug- oder belüftungsvorrichtung

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EP (1) EP2257211B1 (de)
ES (1) ES2533786T3 (de)
FR (1) FR2929096B1 (de)
WO (1) WO2009122081A2 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3001116A1 (de) * 1980-01-14 1981-07-16 Bär Elektrowerke KG, 5885 Schalksmühle Verfahren zur steuerung der leistung eines staubsaugermotors
DE3142060A1 (de) * 1981-10-23 1983-05-05 Progress-Elektrogeräte Mauz & Pfeiffer GmbH & Co, 7000 Stuttgart Staubsauger mit einem saugschlauch
USRE36584E (en) * 1986-10-01 2000-02-29 Lindsay Mfg, Inc. Method for controlling a vacuum cleaner or a central vacuum cleaner
FR2703897B1 (fr) 1993-04-13 1995-08-25 Bousset Serge Dispositif de commande à distance pour centrale d'aspiration intégrée.

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Publication number Publication date
WO2009122081A3 (fr) 2009-12-30
EP2257211A2 (de) 2010-12-08
ES2533786T3 (es) 2015-04-14
FR2929096A1 (fr) 2009-10-02
FR2929096B1 (fr) 2010-03-12
WO2009122081A2 (fr) 2009-10-08

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