EP1690272A1 - Circuit et dispositif de detection de diverses positions d'un element de porte - Google Patents

Circuit et dispositif de detection de diverses positions d'un element de porte

Info

Publication number
EP1690272A1
EP1690272A1 EP04819262A EP04819262A EP1690272A1 EP 1690272 A1 EP1690272 A1 EP 1690272A1 EP 04819262 A EP04819262 A EP 04819262A EP 04819262 A EP04819262 A EP 04819262A EP 1690272 A1 EP1690272 A1 EP 1690272A1
Authority
EP
European Patent Office
Prior art keywords
switching
plunger
switching device
switch
door
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.)
Granted
Application number
EP04819262A
Other languages
German (de)
English (en)
Other versions
EP1690272B1 (fr
Inventor
Konrad Bleier
Walter Gramlich
Bernhard Götz
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.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1690272A1 publication Critical patent/EP1690272A1/fr
Application granted granted Critical
Publication of EP1690272B1 publication Critical patent/EP1690272B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
    • H01H13/183—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift for actuation by moving a closing member, e.g. door, cover
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/06—Movable parts; Contacts mounted thereon
    • H01H15/10—Operating parts
    • H01H15/102—Operating parts comprising cam devices
    • H01H15/105—Adjustable cams
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/06—Movable parts; Contacts mounted thereon
    • H01H15/10—Operating parts
    • H01H15/14—Operating parts adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift

Definitions

  • the present invention relates to a switching device, in particular a door contact switch according to the preamble of claim 1.
  • the invention further relates to an arrangement for detecting different positions of a door element according to the preamble of claim 6.
  • the invention relates to a household appliance according to the preamble of claim 11th
  • a function can be provided which switches an interior lighting and / or other electrical consumers on or off when a door is opened.
  • This function is expediently triggered by a so-called door contact switch, since this can provide a reliable switching signal depending on the opening position of the door.
  • door contact switches usually comprise an actuator which can be displaced against the force of a spring and which is operatively connected to an electrical switch. If the door is moved from its closed position into an open position, the actuator, for example a plunger, which can be moved by spring force, is actuated. This triggers the switch and delivers a different switching signal compared to the depressed position of the plunger.
  • Such door contact switches are used in refrigerator cabinets to switch on interior lighting and can activate cooking space lighting in cooking appliances as soon as an oven door is opened.
  • Sabbath circuit which prevents the lighting from being switched on when the oven door is opened.
  • Sabbath mode may be desirable or necessary for religious reasons.
  • Methods and devices for operating cooking devices with a so-called Sabbath mode include known from US 58 08 278 and from US 60 66 837. In this case, manual influence on certain functions of the cooking device is prevented during certain definable periods by means of electronic circuits.
  • An object of the present invention is to be able to influence a mechanical switching function when opening a door element of an electrical household appliance in a simple manner.
  • This object is achieved with a switching device with the features of The preamble of claim 1 is achieved in that an operative connection between a mechanical switching element and an electrical switch actuable by it can be separated.
  • the switching device according to the invention thus makes it possible to deactivate an electrical switching function, which is normally triggered by the switching element, as required.
  • Such a switching function can be, for example in a cooking appliance, a cooking space lighting which can be switched on by opening an oven door.
  • the electrical switching function can, for example, also switch off an electric hot air blower of an open muffle of a cooking appliance when a door to the cooking space is opened.
  • the switch-on and switch-off function for the cooking space lighting and / or for other consumers can be deactivated in this way by separating the operative connection between the switching element and the electrical switch.
  • a wide variety of switching functions can be triggered by means of the switching device according to the invention.
  • the switching function in an electrical cooling device can, for example, cause the interior lighting to be switched on when a front door is opened.
  • the separable active connection between the switching element and the electrical switch can result in the interior lighting no longer being switched on as soon as the door is opened.
  • a particular advantage of the mechanically deactivatable switching function is that electrical switching devices which have or enable a so-called Sabbath function can be made available with the switching device according to the invention. Since some regions do not allow you to switch on electrical lighting after dusk during certain periods - e.g. during the Sabbath - the problem may arise that a cooking appliance that has a switching function to switch on the lighting when opening the oven door while of the Sabbath can no longer be used. Otherwise it could happen, for example, that a cooking process was started before dusk and continued beyond. It would then no longer be possible to open the oven door without first switching off the appliance. However, it would also no longer be possible to switch the appliance on again for ready cooking, as this is also prohibited during the Sabbath.
  • the switching device according to the invention now makes it possible, in a simple and inexpensive manner, to deactivate all such switching functions by disconnecting the operative connection between the switching element and the electrical switch before the cooking process is started.
  • the switching device according to the invention is suitable for installation in all electrical devices in which the opening of a door is intended to trigger a switching function.
  • Fridges and freezers can also be equipped with a Sabbath function in this way, in which the light remains switched off even when the door is opened.
  • switching functions that are connected to an opening of a door element can be deactivated in many other household appliances.
  • the switching element between its at least two operating positions can perform an essentially translational or a rotational movement.
  • this can preferably be a plunger which can be displaced linearly against spring force and which is displaced by contact with the door element.
  • the door element can in particular be an openable housing flap of the domestic appliance, for example a front door or front flap of a cooking space of a cooking appliance or a refrigerator door or the like.
  • the switching device in this way forms a door contact switch, consisting of a switch, a spring, a housing and a plunger, which work together to evaluate the position of the door.
  • the electrical switch can either close a contact in a direct manner or can also control a downstream electrical or electronic unit.
  • the switching element or the plunger When the door element is open or at least partially open, the switching element or the plunger is pushed into its first operating position by the action of the spring force, which therefore represents a rest position.
  • the switching element or the plunger When the door element is closed, the switching element or the plunger is pressed into its second operating position.
  • the electrical switch can in particular have a displaceable switching pin which can be actuated by a cam on the outer circumference of the displaceable plunger.
  • the plunger can be made rotatable about its longitudinal axis, so that the operative connection between the switching element and the electrical switch can be separated by rotating the plunger by a certain angle.
  • the cam on the outer circumference of the displaceable plunger must therefore not describe the entire circumference of the plunger, but only one circumferential segment, so that the operative connection between the actuatable switching pin of the switch and the displaceable plunger is broken by simply rotating the plunger. With a simple rotation of the ram, a user can switch the door query active or passive.
  • An advantageous variant can provide that two on the outer circumference of the plunger or more cams are provided, so that activation or deactivation of the door contact switch is made possible by rotating the plunger through an angle of, for example, approximately 90 degrees.
  • These at least four different angular positions of the plunger are preferably defined by a suitable latching element which can prevent the plunger from being inadvertently rotated.
  • An arrangement according to the invention for detecting at least two different positions of a movable door element with the features of claim 6 provides that a Wii-k connection between the door element and the switching device according to the invention can be separated.
  • the plunger can be brought out of the engagement area of the door element, for example, by moving or countersinking it.
  • the plunger can optionally also be countersunk by means of a link mechanism - similar to a ballpoint pen mechanism - and can thus be brought out of the engagement area of the door element.
  • an alternative variant provides that the operative connection between the switching device and the door element can be separated by releasing a trough arranged in the door element for receiving the tappet.
  • the trough can be released, for example, by means of a slide, so that the plunger can dip into the trough released when the door element is closed and when the slide is open.
  • the invention has the advantage that the user of the electrical device can determine whether the detection of the door end position is switched on or not. It can also have a direct impact on various functions that are linked to this door query. This can be, for example, the switching on and off of lighting, energy saving, heating or a hot air blower motor or the like.
  • the switching device according to the invention or the arrangement according to the invention is particularly suitable for installation in a household appliance according to one of claims 11 to 13.
  • FIG. 1 shows a schematic front view of a cooking appliance with an open front flap and a cooking chamber accessible from the front
  • Figure 2 is a schematic perspective view of an embodiment of a switching device according to the invention.
  • FIGS 3 to 5 are schematic representations of the switching device according to Figure 2 in different operating states.
  • the cooking appliance 10 has a cooking chamber 12 which is accessible from the outside in the horizontal direction by means of a front flap 14 which can be swiveled downwards.
  • a door contact switch 20 on the side of a frame 16 of a housing front 18 of the cooking device 10, which is covered by the front flap 14 when the front flap 14 is closed and is therefore not visible from the outside.
  • the door contact switch 20 is switched by the front flap 14 and thus has at least two operating states.
  • a first operating state identifies a closed front flap 14, while a second operating state identifies an at least partially open front flap 14.
  • the door contact switch 20 can, for example, switch a cooking space lighting 22, an electric hot air blower 24 or other electrical consumers of the cooking device 10.
  • the door contact switch 20 can be deactivated, so that the switching functions provided by opening and closing the front flap 14 are no longer triggered.
  • the door contact switch 20 comprises a switching element 26 which is in a separable operative connection with an electrical switch 38.
  • the switching element 26 comprises a linearly displaceable plunger 48, which is held in a first operating position L by means of spring force. This first operating position L is illustrated in FIGS. 2 and 3, respectively.
  • the spring is designed as a helical spring 28, which is arranged around and around the outer circumference of the plunger 48 is supported against a housing projection 30.
  • An end face 32 of the plunger 48 can be contacted by the closing front flap 14, whereby the plunger 48 is displaced to the left against the force of the coil spring 28 into a second operating position L when the front flap 14 is fully closed (see FIG. 4).
  • a switching cam 34 arranged on the outer circumference 2 of the plunger 48 acts on a switching pin 36 of the electrical switch 38.
  • the electrical switch 38 can be, for example, a conventional microswitch, the electrical contact of which is opened or closed by linearly moving the switching pin 36.
  • the linear displacement of the plunger 48 is converted by means of the switching cams 34 into a linear displacement of the switching pin 36 of the electrical switch which is perpendicular thereto.
  • Figure 5 illustrates the possible separation of the operative connection between switching element 26 and electrical switch 38.
  • a detent spring 40 is provided, which is anchored in the housing 42 of the door contact switch 20 and on a corresponding recess or elevation on the outer circumference of the Plunger 48 acts.
  • the detent spring 40 can be, for example, a leaf spring or the like, the free end of which can engage in two separate recesses 44 on the outer circumference of the plunger 48.
  • the two cutouts 44 are preferably separated from one another by a web 46 or the like, over which the detent spring 40 must slide when the plunger 48 is rotated about its longitudinal axis. In this way, the plunger 48 can be stabilized in at least two possible angular positions, each of which characterize an activation or deactivation of the door contact switch 20.
  • a preferred embodiment of the door contact switch 20 according to the invention can provide that the plunger 48 can in each case be rotated through 90 degrees in a predetermined direction.
  • a defined angular position of the detent spring 40 can ensure that rotation in the other direction is blocked.
  • at least four separate recesses 44 are provided on the outer circumference of the plunger 48, which are each separated from one another by webs 46, so that the detent spring 40 can be in engagement with one of the four recesses 44, which means that one of the two possible ones States of the door contact switch 20 can be defined.
  • the operation of the door contact switch 20 is very simplified in this way, since the user does not have to take into account whether the plunger 48 is in the correct angular position.
  • the plunger 48 only needs to be rotated 90 degrees further in the defined direction in order to activate or deactivate the active engagement between the switching cams 34 and the switching pin 36.
  • An alternative way of deactivating the switching functions of the door contact switch 20 can also be that the plunger 48 is no longer moved into its second operating position L when the front flap 14 is completely closed, but remains in its first operating position L at all times.
  • This can be achieved, for example, by opening a slide 50 on the inside of the front flap 14 facing the door contact switch 20, so that the part of the plunger 48 protruding from the frame 16 of the cooking device 10 into a recess previously closed by the slide 50 52 can dip.
  • This trough 52 is preferably so deep that the tappet 48 is not pressed even when the front flap 14 is completely closed, but is held in its first operating position L by the force of the helical spring 28.

Landscapes

  • Push-Button Switches (AREA)
  • Electric Ovens (AREA)
  • Burglar Alarm Systems (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

L'invention concerne un circuit comportant un élément de commutation mobile (26) et un commutateur électrique (38) interagissant avec celui-ci, l'interaction entre l'élément de commutation (26) et le commutateur électrique (38) pouvant être séparée. L'invention concerne également un dispositif de détection d'au moins deux positions différentes d'un élément de porte mobile, l'interaction entre l'élément de porte et le circuit pouvant être séparée. Le dispositif selon l'invention et le circuit sont notamment adaptés à une utilisation dans des appareils ménagers tels que par ex. des réfrigérateurs ou des fours électriques.
EP04819262A 2003-11-28 2004-11-26 Circuit et dispositif de detection de diverses positions d'un element de porte Expired - Lifetime EP1690272B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10355603A DE10355603A1 (de) 2003-11-28 2003-11-28 Schaltvorrichtung und Anordnung zur Erfassung unterschiedlicher Positionen eines Türelements
PCT/EP2004/053127 WO2005052970A1 (fr) 2003-11-28 2004-11-26 Circuit et dispositif de detection de diverses positions d'un element de porte

Publications (2)

Publication Number Publication Date
EP1690272A1 true EP1690272A1 (fr) 2006-08-16
EP1690272B1 EP1690272B1 (fr) 2011-02-09

Family

ID=34625336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04819262A Expired - Lifetime EP1690272B1 (fr) 2003-11-28 2004-11-26 Circuit et dispositif de detection de diverses positions d'un element de porte

Country Status (5)

Country Link
US (1) US20070103887A1 (fr)
EP (1) EP1690272B1 (fr)
AT (1) ATE498191T1 (fr)
DE (2) DE10355603A1 (fr)
WO (1) WO2005052970A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10914472B2 (en) 2017-01-03 2021-02-09 Samsung Electronics Co., Ltd. Oven

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006052428A1 (de) 2006-11-07 2008-05-08 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät zur Pflege von Wäschestücken, insbesondere Wäschetrockner
WO2009049081A1 (fr) * 2007-10-09 2009-04-16 Acp, Inc. Circuit d'air pour appareil de cuisson comprenant un système de chauffage combiné
US7872576B2 (en) * 2007-12-27 2011-01-18 Andreh Kalatizadeh Switching device and method
EP2106721B1 (fr) * 2008-03-31 2010-06-30 Vauth-Sagel Holding GmbH & Co. KG Capteur d'actionnement pour un élément de meuble mobile par rapport à un corps de meuble
EP2390573A1 (fr) * 2010-05-27 2011-11-30 Electrolux Home Products Corporation N.V. Appareil de cuisine à allumage au gaz
EP2390580B1 (fr) * 2010-05-27 2014-10-01 Electrolux Home Products Corporation N.V. Agencement de commutation et appareil domestique comportant un tel agencement de commutation
DE102010063464A1 (de) * 2010-12-17 2012-06-21 BSH Bosch und Siemens Hausgeräte GmbH Anschlusselement, Haushaltsgerät mit solchem Anschlusselement und Einsetzmodul
DE102011011956A1 (de) * 2011-02-22 2012-08-23 Diehl Ako Stiftung & Co. Kg Elektronisches Haushaltsgerät
US8572808B2 (en) * 2012-02-23 2013-11-05 Sub-Zero, Inc. Controlled closure system for a hinge
US9115904B2 (en) * 2012-05-18 2015-08-25 Bsh Home Appliances Corporation Home appliance having a hideaway label plate
DE102013103451B4 (de) 2012-11-13 2016-07-28 Stego-Holding Gmbh Türkontaktschalter, insbesondere für Schaltschränke
US10564618B2 (en) * 2013-01-17 2020-02-18 Bar-Ore Computers Ltd. Time controlled switch
USD737219S1 (en) * 2013-05-14 2015-08-25 Stego-Holding Gmbh Door contact switch
US9734961B2 (en) 2015-05-15 2017-08-15 Whirlpool Corporation Method of controlling an appliance door position switch for Sabbath mode operation
GB2560007B (en) * 2017-02-24 2021-01-20 Tadmor Ronen Sabbath controller for a hot water tank
DE102017130812A1 (de) * 2017-12-20 2019-06-27 Veka Ag Schaltkontakteinheit zur Montage an einem Falz zwischen einem Blendrahmen und einem Fenster- oder Türflügel
KR102132485B1 (ko) 2018-04-16 2020-07-09 엘지전자 주식회사 조리기기
US11612263B2 (en) * 2020-11-11 2023-03-28 Haier Us Appliance Solutions, Inc. Oven appliance and methods of operating during a religious holiday

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US5808278A (en) * 1995-12-06 1998-09-15 Whirlpool Corporation Electronic appliance and a sabbath mode therefor
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10914472B2 (en) 2017-01-03 2021-02-09 Samsung Electronics Co., Ltd. Oven
EP3545238B1 (fr) * 2017-01-03 2023-09-06 Samsung Electronics Co., Ltd. Four

Also Published As

Publication number Publication date
DE10355603A1 (de) 2005-06-30
US20070103887A1 (en) 2007-05-10
ATE498191T1 (de) 2011-02-15
WO2005052970A1 (fr) 2005-06-09
EP1690272B1 (fr) 2011-02-09
DE502004012182D1 (de) 2011-03-24

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