EP3077730B1 - Dispositif de cuisson à gaz - Google Patents

Dispositif de cuisson à gaz Download PDF

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Publication number
EP3077730B1
EP3077730B1 EP14815052.7A EP14815052A EP3077730B1 EP 3077730 B1 EP3077730 B1 EP 3077730B1 EP 14815052 A EP14815052 A EP 14815052A EP 3077730 B1 EP3077730 B1 EP 3077730B1
Authority
EP
European Patent Office
Prior art keywords
switching element
magnet
spindle shaft
cooking device
gas cooking
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.)
Active
Application number
EP14815052.7A
Other languages
German (de)
English (en)
Other versions
EP3077730A1 (fr
Inventor
Paulo Marcos Andrade Soares
Alejandro Cabarga Herrera
Oscar Peña Martín
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL14815052T priority Critical patent/PL3077730T3/pl
Publication of EP3077730A1 publication Critical patent/EP3077730A1/fr
Application granted granted Critical
Publication of EP3077730B1 publication Critical patent/EP3077730B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges

Definitions

  • the invention is based on a gas cooking device according to the preamble of claim 1.
  • a gas cooking device which has a spindle shaft which is rotatably mounted.
  • the gas cooking device comprises an operating knob which is rotatably supported by the spindle shaft.
  • the control knob is coupled to a magnet which is moved on a surface of a magnetically actuated switching element when the control knob rotates.
  • the switching element designed as a reed switch changes its switching state depending on a movement of the magnet.
  • ES 2 378 935 A1 discloses a gas cooking device according to the preamble of claim 1.
  • the object of the invention is in particular to provide a generic device with an advantageous construction.
  • the object is achieved by the features of claim 1, while advantageous refinements and developments of the invention can be found in the subclaims.
  • the invention is based on a gas cooking device, in particular a gas cooking device, with at least one spindle shaft which is rotatably and / or axially displaceably mounted between at least two end positions, and with at least one magnet which is provided to actuate at least one magnetically actuatable switching element.
  • the at least one magnet in a mounted state at least in the axial direction of the at least one spindle shaft, in particular be fixedly attached to the at least one spindle shaft and intended to actuate the at least one switching element in at least one of the at least two end positions of the at least one spindle shaft .
  • a “gas cooking device” is to be understood in particular to mean at least a part, in particular a subassembly, of a gas cooking device, in particular a gas hob.
  • the gas cooking device can also comprise the entire gas cooking device.
  • a “spindle shaft” is to be understood in particular to mean an element which is intended, in particular, to move at least one first element in at least one operating state at least one control toggle, which is attached to the at least one spindle shaft, in particular in an assembled state, preferably by means of a material and / or positive and / or non-positive connection to at least one further element, in particular to the at least one magnet.
  • a “magnet” is to be understood in particular to mean an element which is provided in at least one operating state for generating a magnetic field. Various configurations of the at least one magnet that appear sensible to a person skilled in the art are conceivable.
  • the at least one magnet could have at least one electrically conductive material which, in particular, is flowed through by electrical current in the at least one operating state and advantageously generates a magnetic field as a function of the electrical current.
  • the at least one magnet preferably has at least one ferromagnetic and / or ferrimagnetic material.
  • the at least one magnet is particularly advantageously designed as a permanent magnet.
  • the phrase that the at least one magnet is intended to "actuate" the at least one magnetically actuatable switching element is to be understood in particular to mean that the at least one magnet is intended to change, in particular, a switching state of the at least one magnetically actuable switching element by the contactless action of a magnetic field emanating from the at least one magnet.
  • the at least one magnet is preferably coupled in the axial direction to a movement of the at least one spindle shaft, wherein an axial displacement of the at least one spindle shaft in particular results in a movement of the at least one magnet in the axial direction, which is preferably at least proportional and particularly preferably identical to the displacement of the at least one spindle shaft is formed.
  • the at least one magnet could in particular be rotatably mounted relative to the at least one spindle shaft.
  • the at least one magnet is arranged at least essentially, in particular entirely, immovably relative to the at least one spindle shaft.
  • a “switching element” is to be understood in particular as an element which is intended to establish and / or separate an electrically conductive connection between at least two points, in particular contact points of the switching element.
  • the at least one switching element is preferably provided to change at least one switching state, in particular to switch between the at least two contact points, as a function of at least one control signal, which is advantageously generated by the at least one magnet.
  • this is at least one switching element provided to switch reversibly between at least two switching states.
  • a switching operation of the at least one switching element is advantageously reversible, advantageously can be carried out as often as desired, in particular can be repeated.
  • a "magnetically actuable" switching element is to be understood in particular as a switching element which is intended to change the switching state as a function of at least one magnetic parameter.
  • the magnetic parameter could be designed as magnetization of at least a part of the at least one magnetically actuatable switching element.
  • the magnetic parameter is advantageously designed in particular as an external magnetic field, preferably generated by the at least one magnet.
  • An “axial direction” of the at least one spindle shaft is to be understood in particular to mean a direction which is oriented at least substantially parallel to a longitudinal direction of extension of the at least one spindle shaft.
  • a “longitudinal direction of extension” of the at least one spindle shaft is to be understood in particular to mean a direction which is parallel to a longest side of a smallest, which is just just enclosing the at least one spindle shaft.
  • “Provided” is to be understood in particular to be specially programmed, designed and / or equipped. The fact that an object is provided for a specific function should in particular be understood to mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.
  • a generic device with an advantageous construction can be provided.
  • a compact design can be achieved.
  • a stable and / or long-lasting design can advantageously be achieved.
  • a switching process can be brought about and / or triggered particularly advantageously by a mechanical movement, in particular by displacement in the axial direction, of the at least one spindle shaft.
  • the gas cooking device comprises the at least one magnetically actuable switching element, which in particular enables a high degree of flexibility to be achieved.
  • the gas cooking device can advantageously be flexibly adapted to different needs by varying a magnetic field strength of the at least one magnet, in particular during manufacture.
  • mechanical tolerances in particular can be compensated for.
  • the at least one magnetically actuatable switching element could have at least one Hall sensor.
  • the at least one switching element preferably has at least one reed switch.
  • a “reed switch” is to be understood in particular as a switching element which has at least one, in particular elongated and preferably magnetically actuatable switching tongue, which is provided for making an electrically conductive contact with at least one further switching part, in particular another, in particular elongated and preferably magnetically actuated switching tongue.
  • the at least one switching element additionally comprises at least one container in which the at least one switching tongue and in particular the at least one further switching part are arranged in an assembled state, in particular in an airtight manner.
  • the at least one switching tongue and in particular the at least one further switching part are arranged in an assembled state, in particular in an airtight manner.
  • the at least one magnet is provided for switching the at least one switching element without contact, in particular while avoiding contact between a surface of the at least one magnet and a surface of the at least one switching element.
  • the at least one magnet and the at least one switching element are advantageously spaced apart from one another by a distance of at least 0.2 mm, in particular of at least 0.5 mm, advantageously of at least 0.7 mm and preferably of at least 1 mm.
  • the at least one magnet is provided for actuating the at least one switching element, preferably in the axial direction by a distance of at most 3 mm, in particular at most 2.5 mm, advantageously at most 2 mm and preferably at most 1 mm to be moved, in particular relative to the at least one switching element.
  • An “actuation” of the at least one switching element is to be understood in particular to mean switching of the at least one switching element induced from the outside, advantageously by the magnet. As a result, a small space requirement can be achieved in particular.
  • the at least one magnet when viewed in a plan view, could in particular exclusively cover an overlap area of the at least one switching tongue and the at least one further switching part of the at least one switching element, the switching process of the at least one switching element advantageously taking place in the overlap area.
  • the at least magnet covers, in particular in an assembled state, the at least one switching element, however, at least essentially when viewed in a plan view.
  • the at least one magnet “at least essentially covers” the at least one switching element when viewed in a plan view is to be understood in particular to mean that the at least one magnet when viewed in plan view and in the assembled state has a proportion of at least 80 %, in particular of at least 90% and advantageously of at least 98% of a surface of the at least one switching element facing the at least one magnet.
  • a reliable and / or functional gas cooking device can thereby be achieved.
  • the gas cooking device comprises at least one control knob, which is provided in particular in at least one operating state for moving the at least one spindle shaft at least in the axial direction.
  • An "operating knob” is to be understood in particular as an element which is intended to receive an input variable from an operator during an operating operation and in particular to be contacted directly by an operator, touching the operating knob being detected and / or being exerted on the operating knob Actuating force is detected and / or mechanically transmitted to actuate a unit. As a result, a high level of comfort for an operator can be achieved.
  • the gas cooking device comprises at least one ignition unit, which is provided to ignite at least one gas flame when the at least one switching element is actuated.
  • the ignition unit can in particular be at least partially integrated in a control and / or regulating unit of a gas cooking appliance.
  • a functional design and / or a high level of comfort for an operator can thereby be achieved.
  • a short reaction time can be achieved between actuation of the at least one control knob and ignition of the gas flame.
  • Fig. 1 shows a gas cooking device 24, which is designed as a gas hob, with a gas cooking device 10, which is designed as a gas cooking device.
  • the gas cooking device is designed as a gas grill and / or gas cooker, in particular as a gas camping cooker. Further configurations of the gas cooking appliance that appear to be useful to a person skilled in the art are also conceivable.
  • the gas cooking device 10 comprises a burner 26, which is provided for generating a gas flame.
  • the gas cooking device 10 comprises a pan support 28.
  • the pan support 28 essentially surrounds the burner 26 when viewed in a plan view, the burner 26 being arranged essentially in the center of the pan support 28.
  • the gas cooking device 10 comprises a base body 30, on which the pot support 28 is arranged in an assembled state.
  • the gas cooking device 10 comprises an operating knob 20 and a spindle shaft 12 to which the operating knob 20 is attached (see. Fig. 2 ).
  • the spindle shaft 12 penetrates the base body 30.
  • the control knob 20 is provided for moving the spindle shaft 12 and is fastened to the spindle shaft 12 in the assembled state.
  • the spindle shaft 12 has a fastening area 32 for fastening the control knob 20.
  • the control knob 20 is attached to the spindle shaft 12 in a form-fitting and / or non-positive manner.
  • the control knob could be attached to the spindle shaft by means of a clamp connection.
  • the control knob could be attached to the spindle shaft by means of an adhesive connection.
  • a latching connection and / or a clip connection and / or a lock is also conceivable.
  • further connections which appear sensible to a person skilled in the art are conceivable.
  • the spindle shaft 12 In an initial position, the spindle shaft 12 is arranged in a first of the end positions.
  • the spindle shaft 12 is moved in the axial direction 18 - for example by actuating the control knob 20 by an operator - the spindle shaft 12 is moved in the axial direction 18 into a second of the end positions.
  • a distance by which the spindle shaft 12 can be moved in the axial direction 18 is limited by a spring of a mechanical valve (not shown). This also defines a distance between the two end positions.
  • the control knob 20 is provided to rotate the spindle shaft 12 about an axis of rotation 34 of the spindle shaft 12.
  • the axis of rotation 34 is essentially aligned in the axial direction 18 of the spindle shaft 12.
  • the control knob 20 is provided for setting a heating level.
  • a gas flow supplied to the burner 26 is regulated to generate the gas flame. This could, for example, be done electrically, for example by means of a control unit that regulates the passage of an electric valve.
  • the gas flow is regulated by the mechanical valve.
  • the gas cooking device has two control knobs and two spindle shafts, a first of the control knobs being attached to a rotatably mounted first of the spindle shafts and a second of the control knobs being attached to a second of the spindle shafts axially displaceably mounted between two end positions.
  • the control knob 20 is provided for entering an ignition request, depending on which ignition of the gas flame generated by the burner 26 takes place.
  • the control knob 20 is provided for a movement of the spindle shaft 12 in the axial direction 18.
  • the gas cooking device 10 comprises a magnetically actuatable switching element 16, a magnet 14 which is provided to actuate the magnetically actuated switching element 16, and an ignition unit 22.
  • the magnet 14 In the assembled state, the magnet 14 is in the axial direction 18 of the spindle shaft 12 attached to the spindle shaft 12.
  • the magnet 14 is fastened to the spindle shaft 12 in a form-fitting and / or non-positive manner.
  • the magnet 14 is fastened to the spindle shaft 12 by means of a clamp connection.
  • At least one projection is provided on the spindle shaft in order to secure a position of the magnet relative to the spindle shaft.
  • a latching connection and / or a clip connection and / or a connection established by means of a lock is also conceivable.
  • further connections which appear to be useful to a person skilled in the art are conceivable.
  • the gas cooking device 10 comprises an electronic circuit board 36, on which the switching element 16 is arranged in the assembled state.
  • the switching element 16 is soldered to the electronic board 36.
  • a longitudinal extent of the switching element 16 is oriented essentially parallel to a surface of the electronic board 36.
  • the switching element 16 projects beyond the surface of the electronic board 36 by a maximum of 2 mm with respect to the axial direction 18.
  • the switching element 16 is designed to be temperature-resistant.
  • the switching element 16 is in a functional state up to temperatures of at least 125 ° C.
  • the switching element 16 has a reed switch which is designed as a "normally open" switch (cf. Fig. 4 ).
  • the switching element 16 has two elongated switching tongues 38 which are arranged in an initial position of the switching element 16 in the axial direction 18 overlapping and spaced apart.
  • the switching element 16 has a container 40 in which the switching tongues 38 are arranged airtight.
  • the gas cooking device 10 comprises a supply unit 42 (cf. Fig. 2 and 3rd ).
  • the supply unit 42 is used as a voltage source, in particular as a DC voltage source, educated.
  • the supply unit 42 applies a voltage to the switching element 16.
  • the supply unit 42 and a first of the switching tongues 38 are electrically connected to one another.
  • a second of the switching tongues 38 is connected to the ignition unit 22.
  • one or more adaptation components such as filters and / or amplifiers, are arranged between the second switching tongue and the ignition unit.
  • the adaptation components could be integrated in the ignition unit.
  • the electronic board 36 has a recess through which the spindle shaft 12 extends in the assembled state (cf. Fig. 2 and 3rd ).
  • the switching element 16 is fastened on a first side, namely an upper side, of the electronic board 36 in the assembled state.
  • the valve is arranged on a second side, facing away from the switching element 16, namely a lower side, of the electronic circuit board 36.
  • the spindle shaft 12 extends through the recess to the second side.
  • the spindle shaft 12 is supported in the assembled state on the valve, namely on the spring of the valve.
  • the magnet 14 In the assembled state, the magnet 14 is fastened to the spindle shaft 12 on the first side of the electronic board 36.
  • the switching element 16 is arranged in the axial direction 18 between the magnet 14 and the electronic board 36.
  • the magnet 14 When viewed in a plan view, in which the axial direction 18 is oriented essentially parallel to a viewing direction, the magnet 14 essentially covers the switching element 16.
  • the magnet 14 is essentially cylindrical, a thickness oriented in the axial direction 18 being substantially smaller than a diameter of the magnet 14.
  • a distance between the magnet 14 and the switching element 16 is selected to be sufficiently large to achieve an open state of the switching element 16.
  • the magnet 14 is also moved. As a result, a distance between the magnet 14 and the switching element 16 is reduced.
  • a magnetic field generated by the magnet 14 at the location of the switching element 16 is sufficiently large to cause the switching element 16 to switch. The magnet 14 actuates in the second end position Spindle shaft 12, the switching element 16.
  • the switching tongues 38 When the magnet 14 moves in the axial direction 18, the switching tongues 38, triggered by the magnetic field of the magnet 14, come into contact in an overlap region. This causes switching element 16 to switch.
  • the magnet 14 and the switching element 16 are spaced apart from one another in the axial direction 18. Thus, the magnet 14 switches the switching element 16 without contact.
  • a distance between the magnet 14 and the switching element 16 in the second end position is essentially 0.5 mm.
  • the magnet 14 is moved in the axial direction 18 by a distance of essentially 2 mm.
  • the switching element 16 When the switching element 16 is actuated and thus switched, electrical current flows between the supply unit 42 and the ignition unit 22 through the switching element 16 (an electrical return line from the ignition unit 22 to the supply unit 42 is not shown in the figures for the sake of clarity).
  • the ignition unit 22 registers an actuation of the switching element 16.
  • the ignition unit 22 ignites the gas flame when the switching element 16 is actuated. This enables a cooking process.
  • An electronic component for example, which is provided for converting a DC voltage signal into an AC voltage signal, could be arranged between an output of the ignition unit and an input of an ignition unit which is provided for igniting the gas flame.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Claims (7)

  1. Dispositif de cuisson à gaz, en particulier dispositif de cuisson à gaz, avec au moins un arbre de broche (12), logé en rotation axiale et entre au moins deux positions terminales, caractérisé par au moins un élément de commande actionnable magnétiquement (16) et au moins un aimant (14), prévu afin d'actionner l'au moins un élément de commande actionnable magnétiquement (16), dans lequel l'au moins un aimant (14) est, dans un état monté au moins en direction axiale (18) de l'au moins un arbre de broche (12), fixé à l'au moins un arbre de broche (12) et prévu afin d'actionner l'au moins un élément de commande (16) dans au moins une des au moins deux positions terminales de l'au moins un arbre de broche (12), dans lequel l'au moins un aimant (14) couvre au moins essentiellement l'au moins un élément de commande (16) en vue du dessus.
  2. Dispositif de cuisson à gaz selon la revendication 1, caractérisé en ce que l'au moins un élément de commande (16) présente au moins un commutateur Reed.
  3. Dispositif de cuisson à gaz selon l'une des revendications 1 ou 2, caractérisé en ce que l'au moins un aimant (14) est prévu afin d'actionner l'au moins un élément de commande (16) sans contact.
  4. Dispositif de cuisson à gaz selon l'une des revendications précédentes, caractérisé en ce que l'au moins un aimant (14) est prévu afin d'être déplacé d'une distance maximale de 3 mm pour un actionnement de l'au moins un élément de commande (16).
  5. Dispositif de cuisson à gaz selon l'une des revendications précédentes, caractérisé par au moins une manette de commande (20) prévue pour un déplacement de l'au moins un arbre de broche (12) au moins en direction axiale (18).
  6. Dispositif de cuisson à gaz selon l'une des revendications précédentes, caractérisé par au moins une unité d'allumage (22) prévue afin d'allumer au moins une flamme de gaz lors d'un actionnement de l'au moins un élément de commande (16).
  7. Appareil de cuisson à gaz, en particulier champ de cuisson à gaz, avec au moins un dispositif de cuisson à gaz (10) selon l'une des revendications précédentes.
EP14815052.7A 2013-12-04 2014-11-25 Dispositif de cuisson à gaz Active EP3077730B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14815052T PL3077730T3 (pl) 2013-12-04 2014-11-25 Urządzenie gazowe do gotowania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201331774A ES2537272B1 (es) 2013-12-04 2013-12-04 Dispositivo de cocción a gas
PCT/IB2014/066307 WO2015083038A1 (fr) 2013-12-04 2014-11-25 Dispositif de cuisson à gaz

Publications (2)

Publication Number Publication Date
EP3077730A1 EP3077730A1 (fr) 2016-10-12
EP3077730B1 true EP3077730B1 (fr) 2020-05-20

Family

ID=52117932

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14815052.7A Active EP3077730B1 (fr) 2013-12-04 2014-11-25 Dispositif de cuisson à gaz

Country Status (4)

Country Link
EP (1) EP3077730B1 (fr)
ES (1) ES2537272B1 (fr)
PL (1) PL3077730T3 (fr)
WO (1) WO2015083038A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110906377B (zh) * 2018-09-14 2024-06-14 伊莱克斯家用电器股份公司 切换组件、切换机构以及燃气灶
WO2023208588A1 (fr) * 2022-04-28 2023-11-02 BSH Hausgeräte GmbH Cuisinière à gaz domestique comprenant un allumeur

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6446622B1 (en) * 2000-10-18 2002-09-10 Grand Hall Enterprise Co., Ltd. Stove ignition structure
GB0025759D0 (en) * 2000-10-20 2000-12-06 Grand Hall Entpr Co Ltd Liquefied gas amount measuring device
US7425128B2 (en) * 2006-06-29 2008-09-16 Illinois Tool Works Inc. Rotary actuated reed switch control
CN101839502A (zh) * 2009-03-16 2010-09-22 张大庆 具有磁控点火开关的燃气具阀体总成
EP2256414A3 (fr) * 2009-05-27 2012-07-18 BSH Bosch und Siemens Hausgeräte GmbH Agencement de commande pour un appareil de cuisson au gaz
ES2378935B1 (es) * 2009-12-17 2013-03-14 BSH Electrodomésticos España S.A. Válvula de gas con un elemento de accionamiento para un interruptor eléctrico.
CN101826863A (zh) * 2010-05-10 2010-09-08 浙江苏泊尔家电制造有限公司 一种用于电器的吸盘式旋钮开关

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2015083038A1 (fr) 2015-06-11
ES2537272B1 (es) 2016-03-23
EP3077730A1 (fr) 2016-10-12
ES2537272A1 (es) 2015-06-05
PL3077730T3 (pl) 2020-11-16

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