EP2845532B1 - Appareil ménager doté de mécanisme automatique d'ouverture de porte - Google Patents

Appareil ménager doté de mécanisme automatique d'ouverture de porte Download PDF

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Publication number
EP2845532B1
EP2845532B1 EP14183228.7A EP14183228A EP2845532B1 EP 2845532 B1 EP2845532 B1 EP 2845532B1 EP 14183228 A EP14183228 A EP 14183228A EP 2845532 B1 EP2845532 B1 EP 2845532B1
Authority
EP
European Patent Office
Prior art keywords
door
push element
household appliance
closed position
program
Prior art date
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Active
Application number
EP14183228.7A
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German (de)
English (en)
Other versions
EP2845532A1 (fr
Inventor
Stefan Tiekötter
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.)
Miele und Cie KG
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Miele und Cie KG
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Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP2845532A1 publication Critical patent/EP2845532A1/fr
Application granted granted Critical
Publication of EP2845532B1 publication Critical patent/EP2845532B1/fr
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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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4251—Details of the casing
    • A47L15/4257—Details of the loading door
    • A47L15/4259—Arrangements of locking or security/safety devices for doors, e.g. door latches, switch to stop operation when door is open
    • 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
    • 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
    • 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
    • A47L15/0034—Drying phases, including dripping-off phases
    • 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A47L15/488—Connections of the tub with the ambient air, e.g. air intake or venting arrangements
    • 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
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/20—Time, e.g. elapsed operating time
    • 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
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/22—Loading doors, e.g. door latches, inflatable door seals
    • 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

Definitions

  • the invention relates to a household appliance for carrying out a treatment program, such as a dishwashing, washing or baking program, comprising an appliance body which encloses a treatment chamber having a loading opening, a door with which the loading opening can be closed in a fluid-tight manner during the treatment program, and a Maximum retraction and extension position sliding element, wherein the door can be brought into a closed position provided for carrying out the treatment program, in which the door is pressed by means of the sliding element in a pressing direction against the device body, with a door seal being arranged between the door and the device body, and wherein the sliding element interacts with a door lock, with which the door is locked in the closed position.
  • a treatment program such as a dishwashing, washing or baking program
  • Such a household appliance is from the DE 44 43 849 A1 known.
  • the door With the sliding element, the door is automatically set up in an open position with a certain gap width under program control, in particular to support the drying process.
  • the door lock On the one hand, it is possible for the door lock to remain locked in the open position.
  • an alternative embodiment is also indicated, in which the door lock is also unlocked when the door is automatically opened in the form of a gap.
  • the first embodiment has the handling disadvantage that when the door is opened manually, the user has to “tear over” the door against the door-closing force in order to release the locking mechanism—this prevents the door from being opened quickly.
  • the WO 2011/003714 A1 describes a dishwasher which has a locking means which interacts with a door lock, with which the door is locked in the closed position, the door lock being unlocked by pulling the locking means against the appliance body.
  • the U.S. 2011/279004 A1 describes a dishwasher that has a push element, the push element pressing the door against the appliance body and the push element being connected to the door at the same time by means of magnetic force.
  • the invention addresses the problem of providing a household appliance and a method for operating the household appliance, which enables convenient handling and safe use as required.
  • the household appliance according to the invention for carrying out a treatment program has an appliance body which has a treatment chamber which has a loading opening encloses.
  • the household appliance can be, for example, a dishwasher, a washing machine, a microwave, a steam cooker or an oven, but it is preferably a water-bearing household appliance, in particular a dishwasher.
  • the domestic appliance includes a door with which the loading opening can be closed in a fluid-tight manner during the treatment program.
  • it has a pusher element that is mounted so that it can be displaced between a maximum retraction and maximum extension position.
  • a control device is used to control the displacement of the thrust element.
  • the door can be brought into a closed position in which the door is pressed against the appliance body by means of the sliding element in a pressing direction with the interposition of a door seal. In the closed position, the door is in a door position relative to the device body, which is provided for carrying out the treatment program. In the closed position, the loading opening is closed in a fluid-tight manner and the door is locked.
  • the sliding element is designed in such a way that it interacts with a door lock, as a result of which the door is locked.
  • the push element on the device side and the door lock on the door side are preferably connected to one another in a non-positive manner.
  • the domestic appliance has a door opening mechanism in which a movement of the sliding element can cause the door to move out of the closed position in the pressing direction, thereby triggering unlocking of the door lock.
  • the displacement of the thrust element is triggered by the control device.
  • the unlocking therefore does not require any force to be applied by the user, instead it is carried out by the device-side triggered and controlled displacement of the sliding element.
  • the sliding element is pushed in the direction of a maximum retraction position, whereby the door is moved even further in the pressing direction, starting from the closed position in which the door is already pressed against the body of the device with the door seal interposed and which represents the fluid-tight position of use for carrying out a treatment program .
  • the door seal is designed in such a way that it ensures fluid tightness in the closed position and, on the other hand, is sufficiently flexible so that, starting from the closed position, it allows the door to move in the pressing direction over a predetermined travel path.
  • This is in particular at least 1 mm, preferably at least 3 mm, in particular 3 to 6 mm.
  • the household appliance preferably has a drive for moving the pusher element. This is designed to be reversible in its drive direction, i.e. set up to move the pusher element in two opposite directions, in particular to move it in and out.
  • the drive has means for transmitting a force to the thrust element. It is preferably a motor drive, in particular an electric motor.
  • the control device is connected to the drive in terms of control technology in order to control the displacement of the thrust element via the drive.
  • An exemplary embodiment of the invention provides a switch with which it is possible to monitor whether the pushing element has reached a maximum retracted position. This is arranged and designed in such a way that when this position is reached, the door lock is already necessarily unlocked and the sliding element is thus separated from the door, i.e. in particular there is no longer a force-fit connection between them.
  • a further exemplary embodiment provides that the door opening mechanism is set up to reverse the displacement of the sliding element depending on a signal from the switch.
  • the switch is preferably connected to the control device in terms of signals.
  • the control device controls the drive based on a signal from the switch in such a way that the drive direction is reversed and the pusher element is thus moved back out of the maximum retracted position.
  • the door opening mechanism is preferably designed to bring about unlocking of the door lock and a gap-by-gap door opening depending on the user's desire to open the door.
  • the inventive design of the household appliance and its operating method has particular advantages if the household appliance is a fully integrated household appliance, in particular a handleless, fully integrated household appliance, in particular a handleless, fully integrated dishwasher.
  • the household appliance preferably has a sensor with which a user's wish to open the door can be detected. This can be, for example, an optical, acoustic or capacitive sensor.
  • the sensor is preferably able to detect an approach to the decorative front, a movement along the decorative front or a knock on the decorative front of the household appliance designed as fully integrated as a door opening request.
  • the sensor is signal-connected to the control device, so that depending on one by the Sensor detected door opening request, the controller can emit a control signal to the pusher.
  • the sliding element is designed to open the door a gap wide.
  • the sliding element By moving the sliding element in the extension direction, i.e. in the direction of its maximum extended position, the sliding element pushes the door into an open position.
  • the pusher element can be moved in particular in such a way that when the pusher element is in its maximum extended position, the user can reach into the door rebate so that he can open the door completely. This makes it easy to handle even a handleless household appliance. Since the user does not have to overcome any locking mechanism, he is able to open the door particularly conveniently with minimal effort.
  • a door opening mechanism thus provides that the pushing element is initially pushed in a first direction after detecting a door opening request given by the user, causing the door to move out of the closed position in the pressing direction. This triggers the unlocking of the door lock. The direction of displacement of the sliding element is then automatically reversed, whereby the door is opened a gap by the sliding element.
  • spring means can also be present in one exemplary embodiment, which are arranged between the door and the device body, preferably on the device body. Instead of the sliding element or together with the sliding element, these can bring about the opening of the door as soon as the door lock is unlocked. They are arranged and designed in such a way that when the door is pressed against the body of the device, they store energy, which you transfer to the door after unlocking it, thereby pushing the door open a little. As a result, the door can be set up particularly quickly.
  • the household appliance is also designed to allow the door to be opened automatically for a wide gap during the course of an operating program.
  • the door is automatically opened a gap wide at a time specified by the operating program, for example in a dishwasher in a manner known per se during a program section DRYING, in order to release steam through the gap into the environment and thus achieve improved and accelerated drying .
  • the household appliance preferably has a second door opening mechanism that differs from this, which is characterized in particular by the fact that the door is opened by the Sliding element is set up a gap without releasing the lock between the sliding element and the door lock.
  • a particularly safe door opening mechanism is provided, since the door is reliably prevented from falling down even if the door spring is defective.
  • This second door opening mechanism is particularly suitable for realizing an automatic gap-wide door opening that takes place during the course of an operating program, since this is not prompted directly by the user, but takes place according to the program. This type of automatic, gap-width door opening thus occurs suddenly for the user or typically in such a way that the user does not immediately stand ready in anticipation of the door opening.
  • the sliding element is thus designed on the one hand to open the door in the unlocked state according to the first door opening mechanism and also to open the door in the locked state according to the second door opening mechanism.
  • the door is preferably opened dependently, in particular exclusively dependently, on the control of the pusher element by the control device or on the sequence of movements of the pusher element specified by the control device, either according to the first door opening mechanism or according to the second door opening mechanism.
  • a door is opened in the unlocked state according to the first door opening mechanism when, in particular exclusively when a door opening request submitted by the user is detected, while a door is opened in the locked state according to the second door opening mechanism when the operating program provides for a door opening according to the program.
  • the sliding element in the household appliance in which the door is initially in the closed position is, as already described, initially pushed up to a maximum retracted position of the sliding element in the retracting direction and then pushed back in the opposite direction, with the door thereby being pushed put up a crack.
  • the sliding element according to the second door opening mechanism starting from the situation in which the door is initially in the closed position, the sliding element is displaced in the extending direction without prior displacement in the retracting direction, so that the door is opened up a little in the locked state.
  • the invention enables convenient handling and safe use as required, since if the user requests the door to be opened, the door is opened unlocked, so that the door is easy for the user to handle. If the door is opened according to the program, the door is opened with the door lock locked instead, so that an error, such as a defective door spring, poses no danger.
  • the security aspect On the other hand, it is negligible, since the user deliberately triggers the door opening and therefore expects it, so that there is no potential risk in this case.
  • the solution according to the invention can be implemented with comparatively little structural effort.
  • the various functions, in particular opening and closing the door and unlocking the lock, and the different door opening mechanisms are achieved exclusively by moving the sliding element.
  • a large number of variants can be implemented simply by changing the housing electronics or the software.
  • FIG. 1 shows a schematic representation of a household appliance 1 according to the invention.
  • This has a housing body 2 which encloses a treatment chamber and on the front side of which a loading opening 3 can be closed in a fluid-tight manner by a horizontally pivotable door 4 .
  • FIG. 2 shows a schematic representation of a section of a household appliance 1 according to the invention in cross section.
  • the door 4 shown in sections is provided with a decorative front 5 .
  • the door 4 is in the closed position, in which it seals the loading opening 3 (not shown here) in a fluid-tight manner, and a sliding element 7 in the "0" position is frictionally connected to a door lock 6 on the door, and the household appliance 1 is thus locked.
  • the door lock can, for example, have a spring-loaded movable latching hook which engages in an opening of the sliding element.
  • the inventive design of the household appliance 1 allows the unlocking, ie the release of the sliding element 7 from the door lock 6 does not have to be done manually by the operator using the force "F", instead this is done by the Movement of the pushing element 7 by means of the drive 9 and controlled by a control device, not shown.
  • a sensor not shown
  • an opening signal is triggered by the control device (not shown).
  • the pusher element 7 is moved further in the direction of the maximum Retraction position 13 is shifted until the maximum retraction position 13 is detected by the limit switch 10.
  • the travel distance for this is only a few millimeters.
  • the door 4 With this displacement of the sliding element 7, the door 4 is initially pulled further in the pressing direction 16 against the door seal 8 and the distance “D” is thereby reduced. Above a certain force, the door seal 8 cannot be compressed any further and the push element 7 "overshoots" the closing or holding force of the door lock 6 - the door 4 and push element 7 are separated from one another. The counterforce of the door seal 8 supports the release. As soon as the limit switch 10 is actuated by the pusher element 7, the electric motor 9 reverses and the pusher element 7 is pushed in the opposite direction to the pressing direction 16, pushing the door 4 open - the operator can now move the door 4 through the handle into the in open the door fold completely.
  • the door is slightly pushed open by the expansion of the door seal 8, which is caused by its elasticity, so that the operator can grasp it to open it.
  • This process is preferably supported by one or more spring elements 17 arranged on the body 2 of the household appliance 1 .
  • the one or more spring elements can be torsion springs, leaf springs or plate springs.
  • spring-loaded tappets can also be used.
  • Another opening mechanism runs when the opening process of the door 4 is not manually requested by the user, but takes place according to the operating program - for example at a Dishwasher at the end of the program, preferably immediately after the drying phase.
  • the pushing element 7 is automatically shifted in the extension direction ("S1") until a second limit switch 11,12 recognizes the position "door partially open” or “door opened”.
  • the non-positive locking of the sliding element 7 with the closure 6 remains.
  • the operator In order to open the door 4 completely, the operator must now release the door 4 from the door lock 6 using the force "F” or tear over the door lock 6 ". After the door 4 has been fully opened, the push element 7 is returned to the position "0" moved.
  • a door opening mechanism and a method for a door opening mechanism are disclosed, with which all opening conditions occurring in practice can be implemented, the advantages being particularly evident in a fully integrated dishwasher 1 with a handleless decorative panel 5 .

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Washing And Drying Of Tableware (AREA)

Claims (8)

  1. Appareil ménager (1) pour la mise en œuvre d'un programme de traitement, tel qu'un programme de rinçage, de lavage ou de préparation d'aliments, comprenant un corps d'appareil (2) qui entoure un espace de traitement présentant une ouverture de chargement (3),
    une porte (4) avec laquelle l'ouverture de chargement (3) peut être fermée de manière étanche aux fluides pendant le programme de traitement,
    un élément de poussée (7) monté de manière à pouvoir être déplacé entre une position de rétraction et une position de déploiement maximales,
    ainsi qu'un dispositif de commande permettant de commander le déplacement de l'élément de poussée (7), dans lequel la porte (4) peut être amenée dans une position de fermeture prévue pour la mise en œuvre du programme de traitement et dans laquelle la porte (4) est pressée contre le corps d'appareil (2) au moyen de l'élément de poussée (7) dans un sens de pression (16) avec interposition d'un joint de porte (8), et
    dans lequel l'élément de poussée (7) coopère avec une fermeture de porte (6) avec laquelle la porte (4) est verrouillée dans la position de fermeture,
    caractérisé en ce
    qu'avec un déplacement de l'élément de poussée (7), un mouvement de la porte (4) contre le joint de porte (8) hors de la position de fermeture dans le sens de pression (16) peut être provoqué, moyennant quoi un déverrouillage de la fermeture de porte (6) est déclenché,
    et qu'avec un déplacement de l'élément de poussée (7) dans le sens opposé, la porte (4) peut être placée avec une largeur d'au moins une fente par l'élément de poussée (7).
  2. Appareil ménager (1) selon la revendication précédente,
    caractérisé en ce
    qu'un entraînement (9), de préférence un entraînement (9) motorisé, est prévu pour l'élément de poussée (7).
  3. Appareil ménager (1) selon au moins l'une des revendications précédentes,
    caractérisé en ce
    qu'un commutateur (10) est prévu, avec lequel l'atteinte de la position de rétraction maximale (13) de l'élément de poussée (7) peut être surveillée.
  4. Appareil ménager (1) selon au moins l'une des revendications précédentes,
    caractérisé en ce
    qu'un capteur est prévu, avec lequel une demande d'ouverture de porte d'un utilisateur peut être détectée.
  5. Appareil ménager (1) selon au moins l'une des revendications précédentes,
    caractérisé en ce
    qu'avec un déplacement de l'élément de poussée (7), un mouvement de la porte (4) hors de la position de fermeture à l'opposé du sens de pression (16) peut être provoqué, moyennant quoi la porte (4) peut être placée avec une largeur d'une fente sans qu'un déverrouillage de la fermeture de porte (6) ne soit effectué.
  6. Procédé de fonctionnement d'un appareil ménager (1) selon l'une des revendications précédentes, lequel comprend un corps d'appareil (2) entourant un espace de traitement présentant une ouverture de chargement et une porte (4) qui est amenée dans une position de fermeture prévue à cet effet pour la mise en oeuvre d'un programme de traitement, dans laquelle position de fermeture ladite porte est pressée contre le corps d'appareil (2) dans un sens de pression (16) au moyen d'un élément de poussée (7) monté de manière à pouvoir être déplacé,
    dans lequel un joint de porte (8) est disposé entre la porte (4) et le corps d'appareil (2), de sorte que l'ouverture de chargement (3) est fermée de manière étanche aux fluides pendant le programme de traitement, et
    dans lequel l'élément de poussée (7) coopère avec une fermeture de porte (6) avec laquelle la porte (4) est verrouillée dans la position de fermeture,
    caractérisé en ce
    qu'avec un déplacement de l'élément de poussée (7), un mouvement de la porte (4) contre le joint de porte (8) hors de la position de fermeture dans le sens de pression (16) peut être provoqué, moyennant quoi un déverrouillage de la fermeture de porte (4) est déclenché,
    et qu'après le déverrouillage de la fermeture de porte (6), l'élément de poussée (7) est déplacé dans le sens opposé, moyennant quoi la porte (4) est placée avec une largeur d'au moins une fente par rapport à l'élément de poussée (7).
  7. Procédé selon la revendication 6,
    caractérisé en ce
    que la rotation du sens de mouvement de l'élément de poussée (7) est déclenchée par un commutateur (10) dès que celui-ci détecte l'atteinte d'une position de rétraction maximale (10) de l'élément de poussée (7).
  8. Procédé selon au moins l'une des revendications 6 à 7,
    caractérisé en ce
    que le programme de traitement présente une section de programme dans laquelle une ouverture de porte automatique selon le programme est effectuée, dans laquelle la porte (4) est placée avec une largeur d'une fente par l'élément de poussée (7) sans que le verrouillage de la fermeture de porte (6) ne soit libéré.
EP14183228.7A 2013-09-04 2014-09-02 Appareil ménager doté de mécanisme automatique d'ouverture de porte Active EP2845532B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013109620.4A DE102013109620A1 (de) 2013-09-04 2013-09-04 Haushaltgerät mit automatischem Türöffnungsmechanismus

Publications (2)

Publication Number Publication Date
EP2845532A1 EP2845532A1 (fr) 2015-03-11
EP2845532B1 true EP2845532B1 (fr) 2023-04-26

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EP (1) EP2845532B1 (fr)
DE (1) DE102013109620A1 (fr)

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WO2018110286A1 (fr) * 2016-12-14 2018-06-21 パナソニックＩｐマネジメント株式会社 Lave-vaisselle
KR102385798B1 (ko) * 2017-05-17 2022-04-14 삼성전자주식회사 세탁기 및 세탁기의 제어 방법
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CN109209131A (zh) * 2018-09-17 2019-01-15 珠海格力电器股份有限公司 一种自动开门装置及具有该自动开门装置的洗碗机
CN109209130A (zh) * 2018-09-17 2019-01-15 珠海格力电器股份有限公司 一种自动开门装置及具有该自动开门装置的洗碗机
CN109209132A (zh) * 2018-09-21 2019-01-15 珠海格力电器股份有限公司 一种自动开门装置及具有该自动开门装置的洗碗机
CN109589007B (zh) * 2018-12-20 2024-01-26 珠海格力电器股份有限公司 门锁组件及烤箱
DE102019201718A1 (de) * 2019-02-11 2020-08-13 BSH Hausgeräte GmbH Wäschebehandlungsgerät
CN115299832A (zh) * 2022-08-05 2022-11-08 佛山市百斯特电器科技有限公司 一种开门控制方法、装置、洗涤设备及存储介质

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