EP1014001B1 - Dispositif de commande d'appareils à commande électrique, notamment appareils de cuisson électriques - Google Patents

Dispositif de commande d'appareils à commande électrique, notamment appareils de cuisson électriques Download PDF

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Publication number
EP1014001B1
EP1014001B1 EP99125184A EP99125184A EP1014001B1 EP 1014001 B1 EP1014001 B1 EP 1014001B1 EP 99125184 A EP99125184 A EP 99125184A EP 99125184 A EP99125184 A EP 99125184A EP 1014001 B1 EP1014001 B1 EP 1014001B1
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EP
European Patent Office
Prior art keywords
control element
control
plate
arrangement according
displacement
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.)
Expired - Lifetime
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EP99125184A
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German (de)
English (en)
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EP1014001A3 (fr
EP1014001A2 (fr
Inventor
Knappe Gerd
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.)
EGO Elektro Geratebau GmbH
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EGO Elektro Geratebau GmbH
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Publication of EP1014001A2 publication Critical patent/EP1014001A2/fr
Publication of EP1014001A3 publication Critical patent/EP1014001A3/fr
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Publication of EP1014001B1 publication Critical patent/EP1014001B1/fr
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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
    • H05B3/746—Protection, e.g. overheat cutoff, hot plate indicator
    • 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
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • F24C7/083—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on tops, hot plates

Definitions

  • the invention relates to an arrangement for controlling electrically controllable devices, in particular electric cooking devices, according to the preamble of claim 1.
  • the preferred application of the invention is control of electrically operated household appliances, in particular electric cooking appliances, for example electric cookers with a glass ceramic hob and / or an electric one Oven.
  • Generic control arrangements have at least one on an outside of a plate of the device can be arranged or arranged, manually operated control element, from an assigned holding device to or is kept near the plate.
  • a control device of the device Sensor device for detecting the position and / or change in position of the control element provided.
  • By suitable Movement of the control element can be a desired switching state can be set.
  • Knobs can be used individually or as an assembly summarized on a front plate of a stove or the like. be arranged below the usual working level. Because of this arrangement, the scales of these knobs can sometimes difficult to read. There is also a risk that the knobs are reached and operated by toddlers become. Keeping them clean can be problematic. The installation the rotary knobs with corresponding mechanical holder devices usually requires a lot of space. These problems can partly by the arrangement of knobs on the Device top are fixed.
  • EP 0 797 227 shows this one especially for mounting on glass ceramic plates suitable version, in which the knobs are attached by means of a holding magnets arranged on the underside of the glass ceramic plate be held magnetically through the plate. Knobs must have a certain minimum height in order for they can be easily gripped and twisted by hand. she can therefore handle cookware in the hob area to disturb. There is also a free one for their operation Hand necessary to hold the button securely and twist it can.
  • both in the known knobs also with the sliders on the way to the desired one Run through all intermediate positions and, if necessary, the Switching states assigned to intermediate positions at least taken or activated for a short time.
  • the invention has for its object a generic Arrangement for controlling electrically controllable devices to create a safe setting with simple operation of a desired switching state.
  • the invention proposes an arrangement with the features of claim 1. Further developments the invention are specified in the dependent claims, the Wording by reference to the component of the description is made.
  • a control arrangement is characterized by this from that at least one control element as automatic in a Return position slider is formed, which in at least one direction of displacement along the plate is movable.
  • a slide or slide button creates the possibility of a move as such as a switching event without using it, for example for setting a desired switching state on the exact observance of one corresponding to this state Displacement path arrives.
  • a self-resetting slide in contrast to conventional knobs or slide valves, not necessary to operate it with the Fingers of one hand can be gripped and moved, but can for example with the elbow, forearm or be operated from the back of a hand. This makes it easier Operation especially when, for example, both hands to hold a pot or the like.
  • An inventive Slide switch is also particularly advantageous to digital further processing of sensor signals or Control signals adapted because a tax effective adjustment with subsequent return to the rest position as a for example, detectable by a digital counter Event is treatable.
  • analog / digital converters that with conventional knob or slider elements for the generation of digitally processable Signals that have to be used can be dispensed with.
  • Some advantages of the invention may be in only one single direction of displacement tax effective Slider buttons can be used.
  • the control element based on the Rest position to generate at least two different ones Control signals in at least two different Displacement directions can be shifted for tax purposes. This allows the number of with a single control possible settings increase advantageously because the Direction of displacement now as a further input parameter for Control can be used.
  • the individual directions of displacement in any, possibly quite small levels Angles must be aligned parallel to the plate surface can, it is preferred if at least two counterparallel switchable displacement directions are provided, whereby a uniaxial bidirectional slide switch can be implemented is. There are also multi-axis sliders possible.
  • a move event to control the Device can vary greatly depending on the circumstances advantageous types are made. So is for operational security reasons and advantageous to avoid incorrect operations provided that the sensor device with the Control device is coupled or cooperates that a tax effective postponement only when one is exceeded Minimum displacement in the respective direction of displacement entry. This can result in a lower threshold be created for a tax effective postponement, so that with an unintentional small movement of the Actuator and / or when moving in one of an intended direction of displacement deviating direction there is no tax effect. This ensures that only deliberate, targeted shifts have a tax effect result.
  • the sensor device is coupled to the control device in this way, that in the event of a tax-effective postponement a minimum shift width a single control signal is generated, preferably within certain limits regardless of the maximum deflection from the rest position displacement range reached.
  • This allows the respective Direction of displacement assigned a yes / no statement that are particularly easy to process digitally. So can for example a certain direction of displacement Oven function (hot air, grill, bottom heat, top heat, Lower and upper heat, circulating air, etc.) can be assigned to the in each case via the key or slide process in the assigned Direction of displacement is adjustable.
  • a cooktop switch can for example a certain parboiling level can be selected, e.g. parboiling at 60% or 80% the nominal power.
  • the coupling is designed in such a way that with a tax effective shift a number of Control signals depending on a holding period in the displaced or deflected state is generated.
  • a such time-dependent control can, for example step by step through menu items of a definable Control menus or for the gradual setting of temperature values or to select the operating mode in a predefined one Order can be used.
  • control in such a way that a Control signal depending on the number of consecutive, tax effective shifts in a given Direction of displacement is generated. So a user can use Multiple shifts a desired tax state adjust, where appropriate the number of shifts or touch operations counted and only then by another Tactile process is increased if this is briefly within a predefinable time limit after a previous one Touching takes place.
  • the switching status achieved in each case can be for the user easily recognizable, for example by an optical display displayed and / or made acoustically recognizable.
  • holding device for mounting the control element on the plate, everyone can suitable holding device can be used, in particular also one with positive and / or non-positive acting mechanical holders and / or guides.
  • Holding device on the opposite of the control element Arranged inside the panel so that it is on the operator side can't bother.
  • the holding device is preferably as a device for generating a, preferably magnetic, Force field formed, the non-contact, in particular through the plate, onto the control element works and holds it to or near the plate.
  • a control element is preferably used exclusively by Force of the force field held on the plate, so that more Holding devices are not necessary.
  • the control element can only be touch-free in the area of the job be held at which it should be operated and it can for example for cleaning purposes without the aid of Tools are removed from the plate.
  • the plate for example a glass ceramic plate, preferably no openings, passages, recesses, brackets o. Like. That could act as dirt traps or through which dirt enters the area of the inside of the plate could penetrate.
  • the plate can be made of one material exist that the force field lines are practically undiminished lets through.
  • the control element can, for example, on the Outside, i.e. the top or the front of the Plate rest, with a special configuration of the directly adjacent part to a smooth or low-friction Movements can contribute.
  • control element is to be understood that this without direct mechanical connection is maintained. It can of course touch the plate.
  • the reset function according to the invention also by mechanical means, such as return springs or the like, is achievable, the reset function is preferred also effected without contact.
  • the holder device can for this purpose at least one, preferably held stationary Holding magnets and the control element at least one in the same direction have polarized magnets. Then e.g. on the north-facing pole of the holding magnet and a this and the plate facing south pole of the magnet on or opposite in the control element and define via the relative position with the smallest possible mutual distance between the Magnet the rest position, where opposing poles Holding magnet and control element magnet face each other.
  • the Interplay of appropriately polarized magnets, in particular Permanent magnet on both sides of the plate has one opposite also possible arrangement with a magnet on a Side of the plate and a magnetizable, for example ferromagnetic material on the other hand, the advantage a particularly sharp energy minimum of the magnetic Field in the area of minimum distance, so that the Rest position particularly reliably and precisely, too if, for example, frictional forces of an exact setting counteract.
  • the holding device an inner magnet arrangement with at least one inner magnetic pole facing the disk and with radial disk parallel Distance to an outer magnet arrangement opposite Has polarity.
  • the inner Magnet arrangement can be the rest position of the control element be defined, while the outer magnet assembly essentially supports the guiding and resetting of the slide. Due to the opposite polarity of inner and outer magnet arrangement can be achieved that to a attraction caused by the inner magnet arrangement in Direction to the rest position through the outer magnet arrangement caused repulsion of the actuator in the direction to the rest position, which means particularly large restoring forces to be provided.
  • the outer Magnetic arrangement ring-shaped and / or rectangular around the inner magnet arrangement can be arranged.
  • a suitable one magnetic guide for the uniaxial or described biaxial, bidirectional slide arrangements can be thereby achieve that the holding device for generation a multiple rotationally symmetrical force field, in particular Magnetic field is formed, preferably the force field a two-fold or a four-fold rotational symmetry with Has axis of rotation perpendicular to the plate.
  • the Sensor device at least one on the inside of the Plate arranged sensor, which on a through Actuation of the control element causes a change Field, especially a magnetic, electromagnetic or electric field.
  • a sensor can, for example work capacitively, optically or inductively.
  • the sensor device preferably has at least one Magnetic field sensitive sensor in the effective range of a magnet of the control element is arranged or can be arranged. It can be a reed contact or switch or act a coil or the like. Hall sensors are preferred permanently reliable due to the lack of moving parts work and their output signals in the form of DC voltages are particularly easy and safe to process.
  • the Sensor can have the same physical appearance be influenceable, also for holding the control element is used, in particular by a magnetic field.
  • a further development of the invention provides that the sensor device at least two for emitting sensor signals has trained sensors and that the control device at least one logical link unit to the logical Linking the sensor signals or from the sensor signals derived signals.
  • This makes it possible to use relatively few, for example only two sensors one over the number of sensors goes beyond the multitude of different ones Set switching states that result from the states the individual sensors through logical links e.g. after the rules of Boolean algebra.
  • the sensor device can in particular with the control device cooperate that when the control element is removed from the Plate the device is switched to a stable off state or is switched.
  • a manually operable, Electromechanical on / off switch created be, in particular the protection against unauthorized persons Use especially by children playing.
  • This standby function can be faster Promote commissioning if necessary, as it is in the standby function certain basic functions can already be activated.
  • the schematic vertical section in FIG. 1 shows a control arrangement 1 for controlling an electric cooker, its top or work surface by a horizontal Glass ceramic plate 2 is defined, the one or have several hotplates spaced from each other can.
  • the intended for the individual hotplates in particular are designed as radiant heaters arranged on the inside or underside 3 of the plate and give their radiant heat through the plate to the other Outside or top 4 from, placed on the cooking vessels can be.
  • At the top of a separate Surrounded frame, consistently flat and costly thick Plates are in a row adjacent to or next to each other arranged several manually operated controls, with which the individual heaters are independent of each other manually controlled, e.g. switched on and off as well as adjusted to different operating performances can be.
  • the control element 5 shown in section is one of, for example, four to ten between the Hobs and an outer edge of the plate immediately adjacent to each other in a row parallel to the outer edge arranged controls.
  • the control element 5 has the shape of a square truncated pyramid and is at a height that is about twice the Thickness of the glass ceramic plate 3 corresponds, compared to common knobs very flat.
  • the flat, square Top 6 and the parallel, square, flat underside 7, the entire surface on the top of the plate 4 rests, are connected via lateral inclined surfaces 8, 9, the outside of which is easily profiled, for example can be ribbed or nubbed.
  • the very simple structure Control element 5 consists essentially of two parts, namely a rectangular recess at the bottom Plastic body 10 and one in the rectangular recess cuboid permanent magnets 11, which is flush with the bottom 7 of the body 10.
  • the top of the plate 4 is free of projections or depressions, which is a mechanical guide or movement limitation parallel to the surface of the freely movable plate Control element 5 could cause.
  • the magnet 11 is like this aligned that its magnetic north pole of the bottom 7 or, when the actuating element is attached, the plate 2 and its inner magnetic field leading to the South Pole essentially perpendicular to the underside 7 or plate 2 is aligned. It can be a permanent magnet with high coercive field strength, for example around an iron-neodymium-boron permanent magnet act.
  • Holding device 15 with several each cuboid Permanent magnets 16 to 20 create a permanent one magnetic force field or magnetic field that is so strong that the overlying slide 5 with lateral pressure on the inclined surfaces 8 or 9 parallel to the plate surface limited relatively easy to move, but a Lift off the control element from the plate surface to Overcoming the magnetic attraction between Holding device 15 and control element 5 a conscious Operator effort required.
  • the holding device 15 a first formed by the cuboid magnet 16 or inner magnet arrangement
  • the polarity of attached control element in the same direction as the polarity of the Control element magnet 11 is aligned so that over the north pole of the control element magnet 11 and the south pole of the central holding magnet 16 with one of the Plate thickness opposite the corresponding minimum distance.
  • Around the central magnet 16 by four similar, directly abutting cuboid permanent magnets 17 to 20 an outer, second magnet arrangement in the form of a inner magnet 16 completely enclosing rectangular ring arranged.
  • the magnets 16 to 20 of the holding device are attached to the top of a circuit board 21, which at the assembly of the device in this way below the glass ceramic plate is attached that the magnets with their planes Top surfaces pressed flat on the underside of the plate 3 become.
  • the outer magnets have one of the central magnets 16 radial distance parallel to the plate approximately in the order of magnitude the plate thickness or from a few millimeters to a few Centimeters, and the outer magnets have one to the inner one Magnets 16 opposite polarity, with their north poles are directed to the underside of the plate 3.
  • the central one Longitudinal axis 22 and the central transverse axis 23 mirror-symmetrical Magnet arrangement of the holding device 15 generates a characterized by the dashed field lines, with respect to an axis of rotation running perpendicular to the plate 2 two-fold rotationally symmetrical magnetic field with two perpendicular standing on each other, defined by the mirror planes Preferred directions between the inner south pole and an outer north pole.
  • a Sensor device 25 with two Hall sensors 26, 27 provided, to an evaluation carried by the circuit board 21 Control circuit are connected and in the installed state in the immediate vicinity of the underside 3 of the glass ceramic plate are arranged.
  • the magnetic field sensitive Hall sensors 26, 27 are each on the central longitudinal axis or mirror axis 22 of the holding device 15 approximately in the middle between the central one Holding magnet 16 and the narrow-side outer magnet 17 or 18 arranged and thereby lie in one of the magnetic field Holding device only weak and parallel to the surface area area of the Hall sensor. They are in the Effective range of that generated by the control element magnet 11 Magnetic field that penetrates the area of the Hall sensors at an angle and in the central position shown in Fig. 1 or Rest position of the control element 5 at the location of both Hall sensors 26, 27 is essentially the same strength.
  • the centrally arranged magnet 16 has a square shape essentially a non-contact through the plate 2 through acting on the magnet 11 of the control element 5 Holding and centering function through which the slide 5 Absence of external displacement forces in that shown in FIG. 1 Center position or rest position is held.
  • 17 to 20 support the centering function by the north-facing poles facing the plates are symmetrically repulsive centering on the north pole of the control element magnet 11 Act.
  • the magnets of the outer magnet arrangement serve essentially a non-contact, magnetic guidance of the control element 5 and its automatic reset after releasing the button, whereby the restoring force is also non-contact due to the magnetic permeable plate 2 is conveyed magnetically.
  • Resetting forces occur when the slide 5 is moved in all four perpendicular to the side edges of the outer Magnet arrangement standing directions of displacement.
  • the external magnets arranged on the longer sides 19, 20 are significantly closer to the central magnet 16 than that the shorter sides arranged magnets 17, 18 takes the Restoring force in the direction of displacement perpendicular to the longer one Mirror plane 22 significantly more than parallel to Mirror plane 22.
  • the elongated parallel to this direction Rectangular arrangement thus creates a magnetic Guide trough or a guide groove, starting from the rest position over the central magnet 16 shifts parallel to the longer game axis 22, ie in the direction of a the Hall sensors 26, 27 are relatively easily possible while Shifts across this direction magnetically strong is counteracted.
  • the magnetic holding device 25 therefore not only fulfills a holding function that controls 5 against accidental Lifting or falling off secures and on the top of the plate holds, but also the function of a side guide, the one shift essentially only in two counter-parallel directions 28 and 29 parallel to plane 22 allows. Furthermore, an automatic provision in the centric rest position. With the two Hall sensors 26, 27 the displacement movement of the shift button 5 in the direction of displacement 28 or the counterparallel to it Direction of displacement 29 can be detected.
  • the Hall sensors are preferably the digital ones Deliver output signals so that, for example, a a predeterminable voltage value corresponds to a logic high level or a logic high level, while falling below the threshold a low logic level or a logic low level assigned.
  • the corresponding levels or signals can a logical link unit of the control device are supplied from the sensors 26, 27 associated with prevailing magnetic conditions Derives switching signals.
  • the interpretation can be such that at mounted slide element 5 in its rest position both Sensors 26, 27 due to the essentially identical magnetic field strength provide a logical high level from which the Linking logic the presence of a control button in Rest position closes and the electrical device in a standby state or standby state switches in the basic functions are activated.
  • the connected link unit leads out the input values of the two sensors 26, 27 of the displacement switching signal assigned in the direction of displacement 28 from which, for example, a certain parboil rate the assigned hob is set.
  • both Hall sensors 26, 27 deliver a logical due to the low magnetic field strength Low level back.
  • the logic logic can from this a control signal for a stable off state cause the general by removing the control established.
  • a uniaxial bidirectional slide switch by suitable arrangement other sensors, for example between the central magnet 16 and the long side magnets 19, 20 on the short one Mirror plane 23 of the arrangement 15 can lie at one two-axis bidirectional slide switch in the manner of a Joysticks can be expanded.
  • Hall sensors can also use other magnetic field sensitive Sensors such as reed contacts, coils or the like can be provided.
  • non-magnetic sensors for example capacitive or inductive sensors are possible.
  • Such push buttons have many convenient switching options realize that can be used if necessary. So are with the the exemplary embodiment described the magnetic field strengths, the sensors and suitable thresholds in the evaluation electronics adjusted so that with a tax effective shift in one of the directions of displacement 28, 29 when exceeded of a lower threshold a single control signal is generated, regardless of the actual displacement.
  • evaluation electronics with a clock and a counter it is also possible with a tax effective Shift the holding time in the deflected state determine and depending on the holding time a corresponding Generate control signal.
  • one Direction of shift one up and the opposite Downward direction. counts can be displayed optically and / or acoustically to help an operator achieve the desired Switch function or the like.
  • Design circuit so that a desired control signal or a switching state corresponding to this by a Predeterminable number of discrete tax-effective shifts is effected so that, for example, the grill function of a Oven over a certain number, for example three short successive shifts can be adjustable can.
  • the invention also allows that for example a control signal depending on one Displacement of the control element is generated. For this can possibly have several along one direction of displacement Sensors can be arranged with increasing displacement gradually effective from the magnetic field of the slide 5 can be detected.
  • Slide buttons or pulse buttons of the type mentioned can in Range of electric cooking appliances, for example, preferably gradual setting of temperature values and / or used for operating mode selection in oven controls become.
  • a hotplate control for example also the preselection of a performance level or one free selectable heating / heating time possible.
  • a biaxial Button can e.g. a second setting via an axis and A temperature setting is made via another axis become.
  • the invention is not limited to use limited to cooking appliances with glass ceramic plates. So can non-contact actuators on any, magnetically inactive, horizontal, vertical or inclined housing walls of a device magnetically held become.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Switches With Compound Operations (AREA)
  • Cookers (AREA)
  • Electric Stoves And Ranges (AREA)
  • Food-Manufacturing Devices (AREA)
  • Baking, Grill, Roasting (AREA)

Claims (16)

  1. Dispositif pour la commande d'appareils à commande électrique, notamment d'appareils pour la cuisson des aliments, avec au moins un élément de réglage disposé ou pouvant être disposé à une face extérieure d'une plaque, avec un moyen de retenue associé à l'élément de réglage pour retenir l'élément de réglage auprès de la plaque et avec un moyen de détection prévu pour agir de concert avec un moyen de commande pour la détection de la position et/ou du changement de position de l'élément de réglage, caractérisé en ce qu'au moins un élément de réglage (5) est réalisé en tant que coulisseau revenant automatiquement à sa position de repos, qui peut être déplacé le long de la plaque (2) dans au moins une direction de déplacement (28, 29).
  2. Dispositif d'après la revendication 1, caractérisé en ce que l'élément de réglage (5) est déplaçable avec un effet de commande à partir d'une position de repos dans au moins deux directions de déplacement (28, 29) différentes pour la génération d'au moins deux signaux de commande différents, il étant préférable que l'élément de réglage soit déplaçable avec un effet de commande à partir de la position de repos dans deux directions de déplacement (28, 29) antiparallèles et/ou en quatre directions de déplacement orthogonales entre elles.
  3. Dispositif d'après la revendication 1 ou 2, caractérisé en ce que le moyen de détection (25) agit de concert avec le moyen de commande de telle manière qu'un déplacement avec un effet de commande soit produit seulement après le dépassement d'une ampleur de déplacement minimale en direction du déplacement.
  4. Dispositif d'après une des revendications précédentes, caractérisé en ce que le moyen de détection (25) agit de concert avec le moyen de commande de telle manière qu'au cas d'un déplacement avec un effet de commande un signal de commande individuel peut être produit indépendamment de l'ampleur du déplacement.
  5. Dispositif d'après une des revendications précédentes, caractérisé en ce que le moyen de détection agit de concert avec le moyen de commande de telle manière qu'au cas d'un déplacement avec un effet de commande un certain nombre de signaux de commande peut être produit selon une durée de retenue en position déplacée.
  6. Dispositif d'après une des revendications précédentes, caractérisé en ce que le moyen de détection agit de concert avec le moyen de commande de telle manière qu'il est possible de produire un signal de commande dépendant d'un nombre de déplacements consécutifs à brève échéance, qui présentent un effet de commande, dans une direction de déplacement.
  7. Dispositif d'après une des revendications précédentes, caractérisé en ce que le moyen de détection (25) agit de concert avec le moyen de commande de telle manière qu'au cas d'un enlèvement de l'élément de réglage (5) de la plaque (2) l'appareil est mis dans un état hors circuit stable.
  8. Dispositif d'après une des revendications précédentes, caractérisé en ce que le moyen de détection (25) agit de concert avec le moyen de commande de telle manière qu'au cas où l'élément de réglage (5) se trouverait en position de repos, l'appareil est mis dans un état d'attente différant de l'état hors circuit.
  9. Dispositif d'après une des revendications précédentes, caractérisé en ce que le moyen de détection (25) comprend au moins deux détecteurs (26, 27) capables d'émettre des signaux de détecteur, et en ce que le moyen de commande présente au moins un élément logique pour l'enchaínement logique des signaux de détecteur ou de signaux dérivés des signaux de détecteur.
  10. Dispositif d'après une des revendications précédentes, caractérisé en ce que le moyen de détection (25) présente au moins un détecteur (26, 27) disposé sur la face intérieure (3) de la plaque (2), qui réagit à une modification produite par un actionnement de l'élément de réglage (5) d'un champ agissant notamment à travers la plaque, de préférence magnétique et/ou en ce que le moyen de détection (25) présente au moins un détecteur sensible aux champs magnétiques, notamment au moins un élément à effet Hall (26, 27) disposé ou pouvant être disposé de préférence dans le domaine d'efficacité d'un aimant (11 ) de l'élément de réglage.
  11. Dispositif d'après une des revendications précédentes, caractérisé en ce qu'on ne prévoit qu'un seul détecteur (26, 27) pour chaque moyen de déplacement (28, 29).
  12. Dispositif d'après une des revendications précédentes, caractérisé en ce que le moyen de retenue (15) est disposé sur la face intérieure (3) de la plaque (2), à l'opposé de l'élément de réglage (5), et/ou en ce que le moyen de retenue (15) est réalisé en tant que moyen de génération d'un champ de force de préférence magnétique agissant sans contact mécanique sur l'élément de réglage, l'élément de réglage (5) étant de préférence retenu à la plaque (2) exclusivement par la force du champ de force.
  13. Dispositif d'après une des revendications précédentes, caractérisé en ce que l'élément de réglage (5) peut être éloigné de la plaque (2) sans l'aide d'outils.
  14. Dispositif d'après une des revendications précédentes, caractérisé en ce que le moyen de retenue (15) présente au moins un aimant de retenue et que l'élément de réglage présente au moins un aimant (11 ) pouvant être disposé dans le domaine d'efficacité de l'aimant de retenue (16).
  15. Dispositif d'après une des revendications précédentes, caractérisé en ce que le moyen de retenue (15) est réalisé pour la génération d'un champ magnétique présentant une symétrie rotative d'un certain ordre, le champ magnétique présentant de préférence une symétrie rotative d'ordre deux ou quatre et/ou en ce que le moyen de retenue présente une première structure d'aimants (16) avec un pôle magnétique orienté vers la plaque et, à une certaine distance, une deuxième structure d'aimants (17, 18, 19, 20) dont la polarité est orientée dans le sens opposé, une deuxième structure d'aimants (17, 18, 19, 20) présentant de préférence une forme annulaire et/ou rectangulaire et étant disposée avec un écart radial autour d'une première structure d'aimants (16) intérieure.
  16. Dispositif d'après une des revendications précédentes, caractérisé en ce qu'on prévoit un moyen de guidage agissant uniquement sans contact mécanique pour le guidage de l'élément de réglage (5) le long de la direction de déplacement (28, 29), le moyen de guidage étant constitué de préférence par le moyen de retenue (15).
EP99125184A 1998-12-21 1999-12-17 Dispositif de commande d'appareils à commande électrique, notamment appareils de cuisson électriques Expired - Lifetime EP1014001B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19859105A DE19859105A1 (de) 1998-12-21 1998-12-21 Anordnung zur Steuerung von elektrisch ansteuerbaren Geräten, insbesondere Elektrokochgeräten
DE19859105 1998-12-21

Publications (3)

Publication Number Publication Date
EP1014001A2 EP1014001A2 (fr) 2000-06-28
EP1014001A3 EP1014001A3 (fr) 2001-10-04
EP1014001B1 true EP1014001B1 (fr) 2003-12-03

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Application Number Title Priority Date Filing Date
EP99125184A Expired - Lifetime EP1014001B1 (fr) 1998-12-21 1999-12-17 Dispositif de commande d'appareils à commande électrique, notamment appareils de cuisson électriques

Country Status (5)

Country Link
US (1) US6498326B1 (fr)
EP (1) EP1014001B1 (fr)
AT (1) ATE255712T1 (fr)
DE (2) DE19859105A1 (fr)
ES (1) ES2212453T3 (fr)

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Also Published As

Publication number Publication date
ES2212453T3 (es) 2004-07-16
DE59907930D1 (de) 2004-01-15
EP1014001A3 (fr) 2001-10-04
EP1014001A2 (fr) 2000-06-28
DE19859105A1 (de) 2000-06-29
US6498326B1 (en) 2002-12-24
ATE255712T1 (de) 2003-12-15

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