EP3080370A1 - Appareil ménager comportant un moyen de fermeture - Google Patents

Appareil ménager comportant un moyen de fermeture

Info

Publication number
EP3080370A1
EP3080370A1 EP14805570.0A EP14805570A EP3080370A1 EP 3080370 A1 EP3080370 A1 EP 3080370A1 EP 14805570 A EP14805570 A EP 14805570A EP 3080370 A1 EP3080370 A1 EP 3080370A1
Authority
EP
European Patent Office
Prior art keywords
household appliance
door
flux guide
coil
closure device
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
EP14805570.0A
Other languages
German (de)
English (en)
Other versions
EP3080370B1 (fr
Inventor
Andreas Kasack
Roman Goldberg
Thomas Bödrich
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 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 Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3080370A1 publication Critical patent/EP3080370A1/fr
Application granted granted Critical
Publication of EP3080370B1 publication Critical patent/EP3080370B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/20—Parameters relating to constructional components, e.g. door sensors
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • D06F39/14—Doors or covers; Securing means therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
    • E05C19/166—Devices holding the wing by magnetic or electromagnetic attraction electromagnetic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/40—Opening or locking status of doors
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/44—Opening, closing or locking of doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0042—For refrigerators or cold rooms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/022—Latches

Definitions

  • the present invention relates to a household appliance with a closure device for closing a door.
  • a door is locked in the locked state by mechanical positive engagement.
  • the doors are equipped with hooks or eyes, which are guided into the interior of the closure when closing.
  • some household appliances have a mechanical opening button.
  • Document EP 0 109 590 B1 describes a safety door lock in which all components of the safety device and for the opening and closing of the door are combined in one housing, so that only one component is required for these functions.
  • Two limit position sensor and a solenoid of the electromechanical locking device are combined in a housing to form a unit.
  • the object is achieved by a household appliance, wherein the household appliance a closure device with a permanent magnet for exerting a holding force to hold the door and a coil for generating a
  • Countermagnetic field to cancel the holding force includes.
  • the closure device on the one hand enables the opening of the door from the inside and on the other hand releases the door via a door opening button.
  • the non-positive closure provides holding forces in two stages. A lower holding force to hold the door and an increased holding force, which prevents non-violent opening of the door, so a Verrieglung is equal to set. Both power levels can be switched or canceled by targeted control of the coil with each other.
  • a household appliance is a device that is used for household management. This may be a large household appliance such as a washing machine, a tumble dryer, a dishwasher, a cooking appliance, an extractor hood or a household appliance such as a dishwasher. a fridge, a freezer or a
  • Fridge-freezer can also be a small household appliance, such as
  • a water heater for example, a water heater, a coffee machine, a food processor or a vacuum cleaner.
  • the closure device is arranged in the door or a housing of the household appliance.
  • the technical advantage achieved that the holding power can be transferred efficiently.
  • the door or the housing of the household appliance comprises wholly or partially a magnetically highly permeable material for coupling with the generated magnetic field.
  • the magnetically conductive material for example, the technical advantage is achieved that the holding force of the door or the housing is generated.
  • Closure means a magnetically highly permeable flux guide for guiding the magnetic field generated by the permanent magnet.
  • the technical advantage is achieved that the magnetic field can be guided to a predetermined location.
  • the coil is wound around the Flussleit Gland.
  • the technical advantage is achieved that the magnetic field of the coil can be superimposed on the magnetic field of the permanent magnet efficiently.
  • the technical advantage is achieved that a magnetic circuit with two Fluxing can be realized, which can be efficiently provided with a coil for superimposing a magnetic field.
  • a first permanent magnet and a second permanent magnet are arranged between the first flux guide and the second flux guide.
  • the coil is wound around the first flux guide and the second flux guide.
  • the first flux guide comprises a first coil and the second flux guide comprises a second coil.
  • Locking means a movable magnetically highly permeable control armature for guiding the magnetic field.
  • control armature is coupled via an elastic element with the flux guide.
  • the elastic element may also be connected or coupled to the housing. The elastic element generates a force for the separation of control armature and flux guide.
  • the control armature can be placed on the first ferromagnetic flux guide and the second ferromagnetic flux guide.
  • the control armature is coupled via a first elastic element to the first flux guide and a second elastic element to the second flux guide.
  • the technical advantage is achieved, for example, that the control armature can be performed on both Flussleit Swissen.
  • any element that generates a force for separating the control armature and the flux guide can be used as the elastic element
  • Locking means a switch for detecting the position of the control armature.
  • Household appliance an elastic element between the closure device and the door.
  • the technical advantage is achieved that the door is automatically pressed from a low holding force.
  • Fig. 1 is a schematic view of a closure device
  • FIGS. 2A to 2H show different phases when closing, releasing and opening a door by means of the closure device
  • Figs. 4A and 4B show two different arrangements of the closure device.
  • Figures 5A and 5B show two circuits for driving the shutter.
  • FIG. 1 shows a schematic view of a magnetic closure device 103 with two permanent magnets 105-1 and 105-2 and a coil 107 in the currentless state.
  • a door 101 is opened a gap wide with respect to the shutter 103.
  • the closure device 103 is arranged in a housing of the household appliance 100 and can interact via the generated magnetic field with a high-permeability closure anchor 1 17, which is arranged in a door 101 of the household appliance.
  • Ferromagnetic closure anchor 1 17 may for example comprise an iron core.
  • the closure device 103 comprises two parallel flux guides 109-1 and 109-2, between which the permanent magnets 105-1 and 105-2 are arranged.
  • the coil 107 is wound around the two flux guides 109-1 and 109-2 and can generate a magnetic field superimposed on the magnetic field generated by the two permanent magnets 105-1 and 105-2.
  • the closure device 103 comprises a control armature 1 1 1 via which the magnetic field can be influenced.
  • the control anchor 1 1 1 comprises a highly permeable material.
  • the control armature 1 1 1 is fixed with a prestressed elastic spring element 1 13 to the permanent magnet 105-2, such as a helical compression spring.
  • the magnetic field lines 1 19 extend within the two flux guides 109-1 and 109-2, the two permanent magnets 105-1 and 105-2 and the control armature 11.1.
  • a further elastic spring element 1 15 is arranged, which presses the door 101 as soon as the holding force falls below the spring force.
  • the spring element 1 15 is realized for example by a helical compression spring or an elastic door seal.
  • the holding force of the door is generated by magnetic force.
  • Different Zuhaltement in the unlocked and locked state are realized when opening, locking or unlocking by a magnetic field change by means of the electric coil 107 and / or an iron core or magnetic displacement by the control armature 1 1 1. This allows low locking forces in the unlocked state, i. Operating forces less than 50 N and high
  • FIG. 2A shows the closure device 103 in the currentless state of the coil 107.
  • the door 101 is opened a gap and is held by the elastic element 15 at a distance from the closure device 103.
  • the control armature 1 1 1 is pressed by the magnetic field of the permanent magnets 105-1 and 105-2 to the Flußleit Glae 109-1 and 109-2, so that the magnetic field is directed into the region of the control armature 1 1 1.
  • Fig. 2B shows the shutter 103 in a deenergized state of the coil 107 after a manual pressing and closing the door 101.
  • the door 101 is pressed against the spring force of the elastic member 1 15 to the shutter 103 and in this position from the magnetic field of the magnet 105-1 held, which exerts a holding force on the closure anchor 1 17 in the door.
  • the holding force in this state is, for example, 50 N.
  • On the other side of the closure device 103 is the other side of the closure device 103 .
  • Fig. 2C shows the shutter 103 in a state at the beginning of positive energization of the coil 107.
  • the magnetic field generated by the coil 107 superimposes the magnetic field generated by the permanent magnets 105-1 and 105-2.
  • the magnetic field in the region of the control armature 1 1 1 repealed (opposite direction of the field lines).
  • the control armature 1 1 1 is then pressed by the spring element 1 13 to the outside.
  • Closure device 103 is thereby amplified the magnetic field in the region of the closure anchor 1 17, so that the holding force between the closure device 103 and the closure anchor 1 17 increases and the door 101 is locked.
  • the holding force on the door 101 in this state is, for example, 280 N. Thereafter, the current through the coil 107 is interrupted.
  • Fig. 2D shows the closure device 103 in de-energized state of the coil 107.
  • the control armature 1 1 1 is of the elastic member 1 13 at a distance from the
  • the spring element 1 13 generates a
  • FIG. 2E shows the closure device 103 in a more positively energized state of the coil 107 after the initiation of an opening phase for unlocking and opening the door 101.
  • Fluxes 109-1 and 109-2 closed. This is initiated by the fact that the coil 107 is briefly energized for a short time. The magnetic field thus generated by the coil 107 amplifies that magnetic field generated by the permanent magnets 105-1 and 105-2. As a result, the field lines on the left side of the flux guides 109-1 and 109-2 interact with the control armature 11 1. The force exerted on the control armature 1 1 1 force exceeds the force of the spring element 1 13, so that the control armature 1 1 1 is again attracted to the flux conductors 109-1 and 109-2. The holding force on the door 1 1 1 is thereby increased again short term.
  • FIG. 2F shows the closure device 103 in the more positively energized state of the coil 107 with the control anchor 1 1 1 applied. Both the control anchor 1 1 1 and the closure anchor 1 17 are held on the Flussleit Sharingen 109-1 and 109-2.
  • FIG. 2G shows the closure device 103 in a de-energized state of the coil 107 with the control anchor 1 1 applied. In the de-energized state, the position of the element remains
  • Tax anchor 1 1 1 received. This state corresponds to the state of FIG. 2B, which results shortly after the door 101 is closed.
  • FIG. 2H shows the closure device 103 in a negatively energized state of the coil 107.
  • a reverse magnetic field is generated by the coil 107, which eliminates the holding force of the permanent magnet 105-1.
  • the holding force is in this state, for example, 0N.
  • the door 101 is then pressed by the elastic member 1 15 to the outside and can be opened manually.
  • the electrical control of the coil 107 can be pulse-like or time-limited with direct current or alternating current by means of a circuit.
  • FIG. 3A shows an embodiment of the closure device 103, in which the
  • Coil winding of the coil 107-1 to the first flux guide 109-1 is axially opposite to the coil winding of the coil 107-2 to the second flux guide 109-2.
  • the coil 107-1 and the coil 107-2 are connected in series.
  • the control anchor 1 1 1 is attached via a single elastic element 1 13.
  • the elastic element 15 is arranged for opening and / or stopping the door 101 in the region of the closure device 103.
  • the winding sense of each partial coil is chosen so that the magnetic effect of the partial coils is complementary. Basically, a division of the coil is not necessary.
  • the elastic member 1 13 may be connected or coupled to the housing, so that this generates a force for the separation of control armature 1 1 1 and flux guide 109-1 and 109-2.
  • FIG. 3B shows an embodiment of the closure device 103 in which the
  • Coil winding of the coil 107-1 is about the first flux guide 109-1 axially in the same direction as the coil winding of the coil 107-2 to the second flux guide 109-2.
  • the coil 107-1 and the coil 107-2 are connected in series.
  • the control armature 1 1 1 is attached via two elastic elements 1 13-1 and 1 13-2 to the ferromagnetic Flussleit Glaen.
  • one or more elastic elements may be provided.
  • the elastic elements 1 13-1 and 1 13-2 provide a force which counteracts the magnetic field.
  • the elastic element 1 15 is arranged in the region of a hinge, not shown, or in the front wall of the household appliance. In general, a plurality of elastic elements may be provided for this purpose.
  • Fig. 3C shows an embodiment of the closure device 103 with two coils 107-1 and 107-2, which can be controlled individually.
  • the control armature 1 1 1 is reset in this embodiment by two elastic elements 1 13-1 and 1 13-2.
  • FIG. 4A shows an arrangement of the electrically controlled part of the closure device in the housing 121 of the household appliance 100.
  • the closure anchor 17 is arranged in the door 101. If the door 101 at a suitable location consists at least partly of magnetically highly permeable material, the door forms the closure anchor 1 17.
  • Closing anchor 1 17 does not have to be designed as a separate part
  • FIG 4B shows an arrangement of the electrically controlled part of the closure device in the door 101 of the household appliance 100.
  • the closure anchor 1 17 is arranged in the housing 121.
  • Fig. 5A shows a circuit 200 for driving the shutter 103.
  • Circuit 200 includes a voltage source 201, resistors 203-1, 203-2 and 203-3, and probes 205-1, 205-2, 205-3. Depending on the location of the switches 203-1, 203-2 and 203-3 The circuit 200 energizes the coil 107 with two differently sized currents in the positive direction or a current in the negative direction, which are defined via the resistors 203-1, 203-2 and 203-3. This can be effected unlocking or locking and opening of the door 101. In general, however, other circuits with one or more coils may be used.
  • Fig. 5B shows another circuit 200 for driving the shutter 103.
  • the voltage source is inserted opposite to Fig. 5A. Circuits of the door status monitoring switches are not shown in the schematics.
  • the locked / unlocked status of the locking device can be checked by interrogating an electrical switching state of a switch which is electrically opened or closed by the parts moving during the locking or unlocking, such as the control armature 11.1.
  • the door open / close status can be checked by interrogating the electrical switching state of a switch which is electrically opened or closed by the moving during closing or opening moving parts, such as the door 101 or the closure anchor 1 17 on the door 101 becomes.
  • the closure device 103 makes it possible to open the door 101 from the inside in the unlocked state, so that a zip fastener with child safety function is achieved.
  • the opening of the door 101 is reached via a door opening button, which releases or raises the door 101.
  • the closure device 103 is robust with respect to the vertical tolerance layers, such as in a hanging window.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

La présente invention concerne un appareil ménager 100 comportant une porte 101, l'appareil ménager 100 comportant un moyen de fermeture 103 pourvu d'au moins un aimant permanent 105-1, 105-2 destiné à appliquer une force de retenue servant à maintenir la porte 101 et une bobine 107 destinée à générer un champ magnétique antagoniste servant à annuler la force de retenue.
EP14805570.0A 2013-12-10 2014-11-27 Appareil ménager comportant un moyen de fermeture Active EP3080370B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013225347.8A DE102013225347A1 (de) 2013-12-10 2013-12-10 Haushaltsgerät mit einer Verschlusseinrichtung
PCT/EP2014/075803 WO2015086333A1 (fr) 2013-12-10 2014-11-27 Appareil ménager comportant un moyen de fermeture

Publications (2)

Publication Number Publication Date
EP3080370A1 true EP3080370A1 (fr) 2016-10-19
EP3080370B1 EP3080370B1 (fr) 2020-05-13

Family

ID=52000840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14805570.0A Active EP3080370B1 (fr) 2013-12-10 2014-11-27 Appareil ménager comportant un moyen de fermeture

Country Status (5)

Country Link
EP (1) EP3080370B1 (fr)
CN (1) CN105814270B (fr)
DE (1) DE102013225347A1 (fr)
RU (1) RU2650067C2 (fr)
WO (1) WO2015086333A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
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CN111254660A (zh) * 2018-11-30 2020-06-09 青岛海尔洗衣机有限公司 一种用于洗衣机的电磁锁紧机构及洗衣机

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CN107440570A (zh) * 2017-03-27 2017-12-08 广西梧州四海建筑工程有限责任公司 一种厨具挂架
DE102017209390B4 (de) 2017-06-02 2022-08-11 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Öffnungsvorrichtung
DE102017211069A1 (de) 2017-06-29 2019-01-03 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Öffnungsvorrichtung
WO2019150226A1 (fr) * 2018-01-30 2019-08-08 Agco Corporation Verrou de sécurité d'écran de protection contre les risques
FR3085804B1 (fr) * 2018-09-12 2021-09-10 Commissariat Energie Atomique Adaptateur d'interface a fixer autour d'une borne d'accumulateur electrochimique, integrant au moins un verrou magnetique pour fixation magnetique avec conduction electrique de la borne a un busbar
CN116950505B (zh) * 2022-04-14 2026-01-20 广东美的厨房电器制造有限公司 门锁总成及烹饪装置
DE102024122119A1 (de) * 2024-08-02 2026-02-05 Pierburg Gmbh Stationäre Ladevorrichtung mit einer magnetischen Verriegelungsvorrichtung

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CN111254660A (zh) * 2018-11-30 2020-06-09 青岛海尔洗衣机有限公司 一种用于洗衣机的电磁锁紧机构及洗衣机

Also Published As

Publication number Publication date
DE102013225347A1 (de) 2015-06-11
EP3080370B1 (fr) 2020-05-13
RU2650067C2 (ru) 2018-04-06
CN105814270A (zh) 2016-07-27
CN105814270B (zh) 2018-05-29
WO2015086333A1 (fr) 2015-06-18

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