EP2846676A2 - Haushaltsgerät - Google Patents
HaushaltsgerätInfo
- Publication number
- EP2846676A2 EP2846676A2 EP13721665.1A EP13721665A EP2846676A2 EP 2846676 A2 EP2846676 A2 EP 2846676A2 EP 13721665 A EP13721665 A EP 13721665A EP 2846676 A2 EP2846676 A2 EP 2846676A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- drive
- household appliance
- locking
- appliance according
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- 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
- A47L15/4261—Connections of the door to the casing, e.g. door hinges
-
- 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
-
- 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
-
- 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
Definitions
- the present invention relates to a household appliance, in particular a dishwasher.
- a household appliance in particular a dishwasher.
- a conventional dishwasher such as a dishwasher with a pull-lock
- a certain amount of force on the part of the operator is connected, which is sometimes perceived as uncomfortable.
- An object of the present invention is to provide an improved home appliance which is characterized by a simple mechanism for opening or unlocking the door.
- a household appliance in particular a dishwasher, with a door, a drive, an actuating element and a flexible element is proposed.
- the flexible element is adapted to transmit a tensile force from the drive to the actuator for opening or unlocking the door.
- the tensile force can be easily transmitted mechanically from the drive to the actuator.
- a flexible element can be produced inexpensively.
- Flexible means that the flexible element can transmit a tensile force and no or only a small compressive force.Furthermore, "flexible” can encompass that the flexible element deforms considerably under the influence of the tensile force or other forces in the operation of the domestic appliance.
- the flexible element can be used in a first stood straight and in a second state at least in sections along a circle segment, for example, with a radius between 20 cm and 3 mm, preferably between 5 cm and 5 mm and more preferably between 20 mm to 10 mm extend.
- the flexible element can also be designed to be elastic or pliable. Furthermore, the flexible element can be partially or completely made of plastic, in particular fiber-reinforced plastic. As plastic polyamide can be used. As fibers, for example, glass fibers or other fibers can be used, which differ chemically from the base material.
- the drive can be designed for example as an electric motor.
- opening / closing means a movement of the door to release (open) or close (close) access to a room behind the door.
- Unlocking / locking the door means an actuation of a locking element which releases an opening of the door (unlocking) or blocking such an opening (locking).
- the opening and unlocking can also take place simultaneously, just as the closing and locking can take place simultaneously. This is the case, for example, with a door lock in which the unlocking of the door with an opening thereof and / or the locking of the door associated with a closing thereof.
- the flexible element for transmitting the tensile force is positively engaged with a drive-side element.
- This positive connection can be provided detachably, so that the flexible element can be decoupled from the drive.
- the flexible element can comprise a section having the tensile force and a further section adjoining this section, which is rather unloaded, that is, transmits no forces.
- This relieved further portion becomes longer or shorter depending on the operating direction of the operating member.
- the relieved further section can extend into a rounded housing, so that it can be accommodated to save space.
- receiving and / or engagement elements are arranged for the positive engagement along the flexible element, wherein the drive-side element has corresponding engagement and / or receiving elements. According to one embodiment, therefore, the flexible element can have receiving elements and the drive-side element has corresponding engagement elements.
- the flexible element may comprise the engagement elements and the drive-side element corresponding receiving elements.
- engagement elements are openings, holes or pockets.
- receiving elements are protrusions, noses or teeth.
- the engagement or receiving elements are each arranged linearly one behind the other on the flexible element or drive-side element. Furthermore, it can be provided that only one (or several) of the engagement element (s) with one (or more) receiving element (s) is engaged (standing), while the other engagement and receiving elements are out of engagement with each other.
- the flexible element is designed in the form of a rope ladder, wherein rungs of the rope ladder define openings thereof, which form the receiving elements.
- the receiving elements are formed, which form the receiving elements.
- a rope ladder can be produced, for example, simply by injection molding. Accordingly, the rope ladder is then formed of plastic.
- the drive-side element has teeth which form the engagement elements.
- the drive-side element is designed in the form of a toothed wheel.
- the gear has the teeth forming the engagement elements.
- Such a gear can be easily made of metal or plastic, for example. By Turning the gear always get new teeth with new openings in engagement.
- the flexible element can be easily moved by means of the drive-side element.
- the gear may be of such a diameter that it only needs to make part of a full turn to open or unlock or lock the door.
- a transmission lever is provided, which is connected at its one end to a flexible element, pivotably mounted at its other end and is further adapted to adjust by means of pivoting the actuating element for opening or unlocking the door.
- the transmission lever with a central portion of the same act directly or indirectly on the actuating element.
- a transmission element can be arranged between the transmission lever and the actuating element.
- the transmission element may for example be pivotally mounted on the transmission lever.
- the transmission lever can act on the actuating element over the entire actuating path in a straight line.
- the flexible element can in particular cohesively or positively, for example, with one end of the transmission lever. B. by means of hook.
- "Joined” also includes that the flexible element and the transmission lever can be integrally formed.
- “Integral” means that the flexible element and the transmission lever are formed from one and the same piece of material.
- the flexible element and the transmission lever can be formed by a particular injection molding of a piece of plastic, in particular polyamide (for example nylon).
- the plastic in particular the polyamide, may be provided with fiber reinforcement.
- the plastic may have a glass fiber content of between 1 and 10%, preferably between 6 and 8%.
- the flexible element and the transmission lever can each be made of different plastics, which, however, are produced in a single injection molding tool.
- the other end of the transmission lever may be formed thickened the same for the pivotable mounting and held in a recess of a housing.
- the flexible element for transmitting the tensile force on a drive-side element is wound up.
- the drive-side element is designed as a coil.
- the coil is easy to produce.
- the coil may be in the form of a shaft.
- the flexible element is designed in the form of a band.
- the band may be formed for example as a plastic or metal band.
- the flexible element is windable at its one end on the drive-side element, fixed at its other end and further adapted to act with a portion thereof between the one and the other end on the actuating element to this opening or Unlock the door to adjust.
- the flexible element can be guided between its one end and its other end around a transmission element which acts on the actuating element.
- the flexible element could also be guided directly around the actuating element.
- the flexible element has at least temporarily a U-shaped course. During the transmission of the tensile force from the drive-side element to the actuating element, the flexible element slides over the transmission element or the actuating element. The movement of the actuator to open or unlock the door or to close or unlock the door is thus shortened or Extend the extending between the one and the other end extending portion of the flexible element.
- the flexible element for opening or unlocking the door is adjustable in a first direction by means of the drive and can be reset for closing or locking the door by means of the drive in a second direction opposite to the first direction.
- both the adjustment and the rear portion of the actuating element in dependence on the drive is thus controlled by this.
- a locking or locking dynamics as well as an opening or unlocking dynamics can thus be designed without intervention of an operator and controlled. Just jerky movements, for example when closing the door, as they are found in conventional dishwashers, can be designed so gentle and elegant. In particular when closing the door, a damped movement of the door can thus be achieved. As a result, it is possible to achieve the feeling of a particular value of the household appliance with the operator.
- the flexible member may be decoupled from the drive for closing or locking the door.
- a control of the drive can be made simpler.
- a return spring is provided, which loads the actuating element for the return part in the second direction, wherein the drive is adapted to relieve the actuating element in the second direction.
- the return movement of the actuating element thus results from a cooperation of the restoring spring and the drive.
- the mentioned, damped closing movement of the door can be done easily.
- the actuating element is designed as a locking element of a door lock of the household appliance or door opening ram.
- the locking element can be arranged on the body of the household appliance or on the door. Accordingly, the locking element can engage in a recess in the door or in the body in order to lock them together.
- the locking element may be formed, for example, as a striker.
- a "door opener ram” is a ram which is moved substantially perpendicular to the door to force it therethrough.
- the door opener ram may be disposed on the carcass or on the door
- the door opener ram is extended to open the door and retracted to close it Closing movement of the door can be generated by another spring, which biases the door in the direction of the body.
- the locking element is adjustable by means of the drive from a locking position in which it engages positively in the door against an acting in the first direction return spring in an unlocked position in which it releases the door for opening it and against a back is secured by the return spring positively.
- a lever is further provided, which reverses the positive locking when closing the door, whereby the return spring actuates the locking element in the second direction in the locking position and pulls the door in the closed position.
- This type of door lock unlocking the door with a slight opening of the same door and the locking of the door with a slight closing of the same goes.
- This type of door lock can also be referred to as a "pull-lock”.
- a sensor which detects the rear part of the locking element, for example by monitoring the position of the locking element or by monitoring the position of the lever of the door lock.
- a control device coupled to the sensor then actuates the drive according to an embodiment in such a way that the drive slowly releases the actuating element in the first direction, while the return spring actuates the actuating element in the first direction. tion element loaded in the second direction.
- a control device is provided, which is adapted to drive the drive for actuating the locking element from a first position thereof to a second position thereof when it determines that the door is not in its closed position in the first position of the locking element located.
- the locking element is retracted in the first position with respect to the body of the household appliance and thus corresponds to the locking position, but with the difference that the locking element does not engage positively in the door.
- the locking element In the second position, the locking element is extended and releases the door for opening the same and is also secured in a form-fitting manner against a return part by the return spring. The second position therefore corresponds to the unlocked position.
- the lever is inadvertently operated, but without closing the door, the locking element passes due to the action of the return spring in its first position, ie in its locking position, but the locking element does not engage in the door.
- the door would have to be pushed with high force, so that the locking element, in particular the striker, deviates upward and thereafter engages with said recess to lock the door to the carcass.
- This procedure is also referred to as "manual override" or “manual self-healing" of the door. With the control device described above, this case is detected. Accordingly, then the drive moves the locking element back to its second position, ie unlocked position, before the door is closed. The overpressure is thus avoided.
- a sensor is provided, which detects a movement of the actuating element due to a force applied to the door pressure force in its closed position.
- a control device is provided, which controls the drive for opening or unlocking the door as a function of the detected movement of the door.
- An opening request of the operator can be signaled to the door and detected by the sensor in particular by short pressure, for example 20 Newton.
- the door is pressed by the pressure more strongly in the rotating door seal, which in turn leads to a movement of the actuating element, which is detected by the sensor.
- the sensor can be designed, for example, as a resistive, capacitive, inductive, optical or piezoelectric sensor.
- the sensor may comprise one or more coils which interact with a measuring object arranged on the actuating element.
- the measuring object for example in the form of a metal object, can be fastened to a carrier element which can be actuated by means of the actuating element.
- the carrier element may be in contact with the actuating element for this purpose.
- the carrier element by means of a spring, in particular a leg spring, are pressed against the actuating element.
- the sensor may include two coils to detect the direction of movement of the actuator, from front to back or from back to front. This can be important to B. a pressure build-up in a washing container of the household appliance (eg., Heating rinse water and consequently expanding air within the washing) to distinguish from a door opening wish, which comes by pressure on the door from the outside (from front to back). For the door opening request, only one direction is decisive. Therefore, influences from other directions should be eliminated. There may be a cap between the sensor and the measurement object in order to keep tolerances as small as possible.
- the door is formed without handles.
- the household appliance has a child safety function.
- this child-safety function can be provided by means of the sensor, which detects a movement of the actuating element due to a pressure force applied to the door in the closed position, and the control device. hen, which controls the drive for generating the pressure force in response to the detected movement of the door. The control device then controls the drive only to open or unlock the door when the pressure force curve corresponds to a predetermined pattern.
- this pattern may include a double press of the door within a period of 3 seconds, in particular 1 second.
- a mechanical child safety device in the form of a child safety lever can be provided in the door lock. When activated, the actuator will not move.
- the drive then starts only briefly and is then turned off by a control device, which is set up to detect the high counteracting force acting on the actuating element by means of a sensor.
- the sensor can monitor the supply current of the drive for this purpose.
- a control device is provided, which is set up to control the drive for opening the door for drying support, which increases the energy efficiency.
- the household appliance can be set up such that the actuating element opens the door by a maximum of 50 to 150 mm, preferably 90 to 1 to 10 mm. This allows a comfortable gripping the door.
- the dimensions refer to a distance between the Tuerberber- edge and an upper edge of the opening in the body of the household appliance, which closes the door or releases.
- FIG. 1 shows a schematic side view of a dishwasher according to one embodiment
- FIG. 2 is an enlarged view II of Figure 1 in partially broken-away view.
- 3 shows a perspective view of various components of a module from FIG. 2;
- 4 shows a perspective view of a section in a region IV of FIG. 2;
- FIG. 5 is a plan view of a region V of FIG. 2;
- FIG. 6 shows a section VI-VI of FIG. 5;
- FIG. 7 the view from FIG. 2, but in particular without a door lock
- FIG. 8 shows a section VIII-VIII of FIG. 2
- FIG. 9 shows a perspective view of a door opening module according to a further embodiment.
- the same or functionally identical elements have been given the same reference numerals, unless stated otherwise.
- the dishwasher 1 shows a schematic side view of a household appliance in the form of a dishwasher 1.
- This has a washing container 2 for receiving items to be washed.
- a door 3 is pivotably connected to a body 4 forming the washing container 2 by means of a joint 5.
- the door 3 is designed handle-less and may have a decorative plate.
- the dishwasher 1 further comprises a module 6 and a door lock 7, which are each arranged below an upper cover 1 1 of the body 4.
- the door lock 7 comprises an actuating element in the form of a locking element 12 (see FIG. 8), which according to the exemplary embodiment is designed in the form of a striker.
- a recess 13 into which engages the locking member 12 in the closed position of the door 3 and pulls them in the direction of the washing container 2 against a seal, not shown.
- the seal is arranged circumferentially around the opening of the washing compartment 2. This will be a gas and liquid-tight completion of the washing compartment 2 in the closed position of the door 3 achieved.
- Figure 2 shows an enlarged view II of Figure 1 in partially broken-away representation.
- the dishwasher 1 has a frame 14 which is arranged on the washing container 2 on the opening side.
- the door lock 7 is fixed to the frame 14.
- the module 6 is in turn releasably attached to the door lock 7, as will be explained in more detail later with reference to FIGS 5 and 6.
- the door 3 In the closed position, the door 3 extends perpendicular to the plane of the paper under the frame 14.
- the structure of the module 6 will be explained in more detail below with reference to FIG. 2 and FIG. 3, the latter showing the door module in a perspective view.
- the module 6 comprises a housing 15 (see FIG. 2), which is composed of two parts 16, 17. Inside the housing 15 is a drive in the form of an electric motor
- the electric motor 21 drives a drive-side element in the form of a toothed wheel 23.
- the electric motor 21 can be designed, for example, as a cost-effective DC motor with a supply voltage of, for example, between 10 and 15 V.
- the gear 23 has a plurality of teeth 24 on its circumference.
- module 6 is a flexible, limp element in the form of a rope ladder
- the rope ladder 25 comprises rungs 26 with openings 27 formed therebetween (see FIG. 3).
- the teeth 24 form engagement elements, which can be brought into engagement with the receiving element-forming openings 27. In each case there is always at least one tooth 24 with an opening 27 or the respective associated rung
- the rope conductor 25 is formed of a flexible plastic.
- the rope conductor 25 has a free end 31 and is attached at its other end 32 to a transmission lever 33.
- the rope conductor 25 is attached at its end 32 at one end 34 of the transmission lever 33.
- the rope conductor 25 and the transmission lever 33 can be manufactured as a part of the same plastic, for example by injection molding.
- the plastic may, for example, be nylon, in particular having a glass fiber content of between 1 and 10%, preferably between 6 and 8%.
- the plastic can be PA 66 GF 7. In order to increase the rigidity of the transmission lever 33, this stiffening ribs 35, which are arranged in particular triangular, have.
- the transmission lever 33 At its other end 36 of the transmission lever 33 is provided with a rounded portion 37, with which it engages in a recess 41 in the housing 15, in particular in the part 17. This results in a pivotability of the transmission lever 33 in the recess 41 about an axis 42.
- the axis 42 is perpendicular to a plane E (see also Figure 8), in which the locking element 12 is movable.
- a transmission element in the form of a bridge 44 about an axis 45 Spaced from the axis 42, for example, approximately in the middle between the two ends 32, 36, a transmission element in the form of a bridge 44 about an axis 45 (see also Figures 4 and 8) is pivotally mounted on the transmission lever 33.
- the axis 45 extends parallel to the axis 42.
- the bridge 44 has a beam shape.
- the pressure surface 46 is adapted to press against an end 48 (see FIG. 8) of the locking element 12 to move it from its locking position, as shown in solid line in FIG. 8, into its unlocked position, as shown in dashed line in FIG. to move.
- the module 6 also has an electronic circuit board 47.
- a controller 51 for example arranged in the form of a microprocessor.
- the electronic board 47 has a sensor 52, which is integrated in a carrier plate 53 of the electronic board 47.
- the sensor 52 may be arranged so as to penetrate the carrier plate 53 perpendicular to the main extension plane thereof.
- the sensor 52 includes two coils 54 configured to generate a magnetic field.
- the two coils 54 are covered by a cap 55 fixed to the carrier plate 53 in the direction of a measuring object in the form of an aluminum plate 56.
- the aluminum plate 56 is held by two pins 57 on a support member 61.
- the support plate 53 of the electronic board 47 extends with a portion 62 thereof, which includes the sensor 52, between the transmission lever 33 and the Alplättchen 56.
- the support plate 53 is disposed above the transmission lever 33.
- the support member 61 has a contact surface 63 facing the end 48 (see FIG. 8) of the locking member 12 at one end thereof.
- the support member 61 is spring loaded.
- a leg spring 65 may be provided which engages with its one leg 66 at the end 64 and is supported on the housing 15 at the other end.
- FIG. 4 shows in perspective and in section a region IV from FIG. 2.
- the part 16 of the housing 15 has a crescent-shaped pocket 67 which is open on one side 71 towards the rope conductor 25 and is otherwise delimited by a bottom 72 and an arcuate side wall 73.
- the floor 72 may have a slot 74 through which a shaft 23 carrying the gear 23 (not shown) passes, so that the gear 23 is arranged inside the pocket 67.
- the pocket 67 may be closed by a cover, not shown, opposite the bottom 72.
- the arcuate side wall 73 acts as a deflection for the rope ladder 25.
- a portion 75 of the rope ladder 25 transmits a tensile force from the gear 23 to the transmission lever 33 between the end 34 of the transmission lever 33 and the teeth 24 respectively engaged with the rope ladder 25.
- the section 75 is increasingly shortened and there results a section 76 (shown in dashed lines in FIG. 4).
- the section 76 of the rope ladder 25 is deflected by means of the arcuate side wall 73, that is bent.
- the pocket 76 is adapted to receive the entire portion 76 in the unlatching position of the locking element 12.
- the arc which then describes the section 76, for example, may have a radius of between 1 and 4 cm.
- the section 75 also bends relative to the end 34, while the locking element 12 is moved from its locking position to its unlocked position. Thereby, the required articulation in the region of the connection of the end 34 of the transfer lever 33 and the end 32 of the rope ladder 25 is provided.
- the door lock 7, see FIG. 2 can be separated from the module 6.
- the module 6 can initially be easily attached to the door 7 are mounted and if necessary, for example, malfunction of the same, simply replaced.
- FIG. 5 shows a detailed view V from FIG. 2
- FIG. 6 shows a section VI-VI from FIG. 5
- FIG. 7 shows the module 6 in a plan view without the door lock 7.
- the housing 16 has a recess 78 (see FIGS. 4 and 5) into which, for example, two snap hooks 77 as well as, for example, three support tabs 81 protrude.
- a housing 82 of the lock 7 has a contour 83 corresponding to the recess 78. At the contour 83 notches 84 are formed.
- the door lock 7 is inserted from one side (seen from below in accordance with the embodiment in FIG. 6) into the recess 78 (see also FIG. 7).
- the snap hooks 77 bend (see arrows in FIG. 6). As soon as the housing 82 comes into abutment with the support lugs 81, the snap hooks 77 snap behind the notches 84.
- the construction of the door lock 7 will be explained in more detail below with reference to FIG. 8, which shows a section VIII-VIII of FIG.
- the locking element 12 has a hook 86, which engages in the locking position of the locking element 12 in the recess 13 (see Figure 1).
- the other end of the locking element 12 is formed by two legs 87 (only one of the legs 87 can be seen in FIG.
- the legs 87 receive a return spring 91 (see Figures 6 and 8) between them, which abuts at its one end 90 against a portion 92 which is fixedly connected to the housing 82 of the door lock 7, and which with its other End 93 against the legs 87 acts.
- the outermost ends of the legs 87 together form the end 48.
- the recess 13 (see FIG. 1) is released in the unlocking position of the locking element 12, so that the door 3 can be opened manually by the operator.
- the door 3 can also be automatically opened by a further device of the dishwasher 1.
- a further device of the dishwasher 1 is not shown in detail in the figures, it can be easily realized on the basis of the same principle of operation (as shown above).
- the bridge 44 would not act on the door lock 7, but on a door-opening plunger 94, which is shown by way of example in FIG.
- the door open tappet 94 would push the unlocked door 3 from its closed position to the open position.
- a differently functioning device for opening the door 3 could be used.
- a spring comes into consideration, which biases the door 3 from its closed position to its open position, so that the door 3 automatically opens after unlocking the locking element 12 due to the action of the spring.
- the door 3 again manually, which in particular after a few seconds, for example, when placing a forgotten cup in the dish rack, may be the case so actuates an unspecified door section a lever 95 of the door lock 7, which in Figure 8 is shown.
- the actuation of the lever 95 causes the hook 86 to be highlighted behind the step 88 and set on the step 88.
- the hitherto existing form fit between the Hook 86 and the step 88 repealed, the unlocked position of the locking element 12 thus canceled.
- the hook 86 thus comes into engagement with the recess 13.
- the return spring 91 pushes the hook 86 hereafter, ie in the return direction R, wherein the locking element 12 enters its locking position.
- this return part of the locking element 12 is braked by the electric motor 21 by slowing down the force applied by the pressure surface 46 of the bridge 44 to the end 48 of the locking element 12 in the adjustment direction V.
- the control device 51 controls the electric motor 21 for this purpose accordingly. This creates a damped closing and locking movement of the door 3.
- the hook 86 pulls the door 3 towards the seal, not shown, at the end of the closing and locking movement.
- the electric motor 21 changes its direction of rotation, for which purpose the control device 51 can reverse-polarize it accordingly.
- control device 51 can control the electric motor 21 in such a way that, immediately after it has actuated the locking element 12 from the locking position into the unlocked position, it changes its direction of rotation and spares the bridge 44 back into its starting position shown in FIGS. 4 and 8.
- the module 6 only has the task of unlocking the door lock 7. The return parts of the locking element 12 is then undamped.
- the gear 23 has to make only about half a turn both for unlocking and for locking the door 3, short unlocking and locking times can be achieved.
- the door 3 can be closed again immediately after opening, for example, if only one cup is placed in the dish rack during operation of the dishwasher 1.
- the control device 51 can furthermore be signal-coupled with a sensor 96 which detects whether the door is in its closed or open position. Then actuates an operator accidentally or intentionally the lever 95 of the door lock 7 without the door 3 is closed, it does not control the electric motor 21. Consequently, the bridge 44 does not move and the locking member 12 does not move from its unlocked position to its locking position.
- the control device 51 may be provided so that it can reject the locking. Lungselements 12 allows by controlling the electric motor 21 accordingly. Immediately after the return part of the locking element 12, the electric motor 21 actuates this again from its locking into its unlocked position. Overpressing the door 3, as described in the introduction, is therefore not required.
- the operator presses against the door 3 in the direction of the body 4, whereby this presses slightly into the seal, not shown.
- the recess 13 or a limiting this, not shown door section acts against the hook 86 and thereby presses the locking member 12 against the adjustment V with the end 48 against the contact surface 63 of the support member 61.
- the Alplättchen 56 moves relative to the of the Coils 54 generated magnetic field. The corresponding change in the magnetic field over time is evaluated by the control device 51.
- a predetermined threshold for example, if the force applied to the door 3 by the operator person force exceeds 20 Newton, this is interpreted as a door opening request and the electric motor 21 is turned on, whereupon this actuates the locking element 12 from the locking to the unlocked position. Thereafter, the door 3 can be opened manually or otherwise, as described above.
- the controller 51 may be provided to provide a child safety device.
- the control device 51 can only drive the electric motor 21 to unlock the door 3 when it is signaled by the sensor 51 that a force of 20 Newton has been applied to the door 3 twice in a period of 1 second.
- a different signal may be required to overcome the parental control.
- a mechanical child safety device can also be provided.
- control device 51 with a control device 97 (see Figure 1) of the dishwasher 1 be signal-technically coupled.
- the control device 97 controls a washing program of the dishwasher 1. If the door 3 are opened at the end of the program for drying support, the control device 97 outputs a corresponding signal to the control device 51, which then drives the electric motor 21 to unlock the locking element 12.
- FIG. 9 shows a perspective view of a module 6 according to a further embodiment.
- the module 6 according to FIG. 9 differs from the module 6 shown in FIGS. 1-8 in that, instead of the rope conductor 25, a flexible element in the form of a belt 101 is provided.
- the band 101 may be formed of, for example, steel or plastic.
- a transmission element in the form of a deflecting part 102 is provided.
- the band 101 can be wound on a spool 104 at its one end 103.
- the coil 104 could be formed by a shaft.
- the coil 104 is driven by the electric motor 21 via the three-stage gear 22.
- the band 101 is fixed, for example, to the housing 15, see FIG.
- the deflection part 102 can itself act against the end 48 (see FIG.
- the carrier element 61 can be supported on the side 106 of the deflection part 102 by means of springs 11 and act with its contact surface 63 against the end 48 of the locking element 12 (see FIG. 8). Then presses an operator, as described in connection with Figures 1-8, with a force of, for example, 20 Newton against the door 3 in the direction of the body 4, the support member 61 moves by compression of the springs 1 1 1 against the adjustment direction V.
- the aluminum plate 56 of the support member 61 moves relative to the stationarily provided sensor 52, which is for example fixed to the housing 15.
- the corresponding signal is then used by the control device 51 to drive the electric motor 21. If the signal exceeds a predetermined threshold value, then the electric motor 21 controls the gearbox 22 accordingly, so that the band 101 is wound onto the spool 104, thereby shortening the distance between the spool 104 and the end 105, as a result Deflection part 102 by the action of a portion 1 12 of the belt 101 in the adjustment direction V moves (see Figure 8). As a result, the locking element 12 is moved from its locking position into its unlocked position.
- FIGS. 1 to 8 apply correspondingly to the exemplary embodiment according to FIG. 9.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Washing And Drying Of Tableware (AREA)
- Lock And Its Accessories (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL13721665T PL2846676T3 (pl) | 2012-05-10 | 2013-05-03 | Urządzenie gospodarstwa domowego |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012207836A DE102012207836A1 (de) | 2012-05-10 | 2012-05-10 | Haushaltsgerät |
| PCT/EP2013/059263 WO2013167490A2 (de) | 2012-05-10 | 2013-05-03 | Haushaltsgerät |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2846676A2 true EP2846676A2 (de) | 2015-03-18 |
| EP2846676B1 EP2846676B1 (de) | 2019-12-11 |
Family
ID=48407488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP13721665.1A Active EP2846676B1 (de) | 2012-05-10 | 2013-05-03 | Haushaltsgerät |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2846676B1 (de) |
| DE (1) | DE102012207836A1 (de) |
| PL (1) | PL2846676T3 (de) |
| WO (1) | WO2013167490A2 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12473752B2 (en) | 2020-06-01 | 2025-11-18 | Lg Electronics Inc. | Household appliance |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012211254A1 (de) | 2012-06-29 | 2014-01-02 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerät mit einer Verriegelungsanordnung und einem Türgewichtsausgleichssystem |
| DE102012223219A1 (de) * | 2012-12-14 | 2014-06-18 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerät |
| DE102015222580A1 (de) | 2015-11-16 | 2017-05-18 | BSH Hausgeräte GmbH | Wasserführendes Haushaltsgerät und Verfahren zum Betreiben eines wasserführenden Haushaltsgeräts |
| DE102016205762A1 (de) | 2016-04-07 | 2017-10-12 | BSH Hausgeräte GmbH | Wasserführendes Haushaltsgerät und Verfahren zum Betreiben eines wasserführenden Haushaltsgeräts |
| KR102373683B1 (ko) | 2020-05-22 | 2022-03-15 | 엘지전자 주식회사 | 가전기기 |
| CN113208530B (zh) * | 2021-06-25 | 2022-04-01 | 华帝股份有限公司 | 洗碗机及洗碗机的控制方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5644247U (de) * | 1979-09-13 | 1981-04-21 | ||
| IT1223657B (it) * | 1988-07-01 | 1990-09-29 | Omp Off Meccano Plast | Dispositivo di comando dello sblocco del portello di macchine lavatrici a carica frontale |
| EP0481503A1 (de) * | 1990-10-17 | 1992-04-22 | Zanker GmbH | Türverriegelung für einen Haushaltsgerät |
| IT1250393B (it) * | 1991-06-13 | 1995-04-07 | Zanussi Elettrodomestici | Dispositivo di bloccaggio della porta per macchine lavatrici o asciugatrici di biancheria. |
| US6510858B1 (en) * | 2000-08-09 | 2003-01-28 | Steris Inc. | Load lifting/lowering mechanism for a washer |
| CA2705540C (en) * | 2007-11-20 | 2014-09-30 | Wrh Walter Reist Holding Ag | Drive for conveyor means or conveyed objects |
| EP2394559B1 (de) | 2010-05-12 | 2013-07-31 | Miele & Cie. KG | Spülautomat, insbesondere Haushaltgeschirrspülmaschine, mit einer automatisch zu öffnenden Tür |
| DK2336469T3 (en) * | 2011-04-06 | 2016-05-02 | V Zug Ag | Dishwasher with self-locking door |
-
2012
- 2012-05-10 DE DE102012207836A patent/DE102012207836A1/de not_active Withdrawn
-
2013
- 2013-05-03 EP EP13721665.1A patent/EP2846676B1/de active Active
- 2013-05-03 PL PL13721665T patent/PL2846676T3/pl unknown
- 2013-05-03 WO PCT/EP2013/059263 patent/WO2013167490A2/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2013167490A2 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12473752B2 (en) | 2020-06-01 | 2025-11-18 | Lg Electronics Inc. | Household appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013167490A2 (de) | 2013-11-14 |
| WO2013167490A3 (de) | 2014-01-03 |
| DE102012207836A1 (de) | 2013-11-14 |
| EP2846676B1 (de) | 2019-12-11 |
| PL2846676T3 (pl) | 2020-05-18 |
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