EP3102880B1 - Brûleur à gaz, poste de cuisson, et cuisinière - Google Patents

Brûleur à gaz, poste de cuisson, et cuisinière Download PDF

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Publication number
EP3102880B1
EP3102880B1 EP15708281.9A EP15708281A EP3102880B1 EP 3102880 B1 EP3102880 B1 EP 3102880B1 EP 15708281 A EP15708281 A EP 15708281A EP 3102880 B1 EP3102880 B1 EP 3102880B1
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EP
European Patent Office
Prior art keywords
gas
gas burner
valve
thermocouple
switches
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
EP15708281.9A
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German (de)
English (en)
Other versions
EP3102880A1 (fr
Inventor
Melca Gutierrez Humara
Luis Antonio Palacios Valdueza
Oscar Peña Martín
Emilio Placer Maruri
Roberto Saiz Gonzalez
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
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BSH Hausgeraete GmbH
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Publication date
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Publication of EP3102880A1 publication Critical patent/EP3102880A1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
    • F23D14/725—Protection against flame failure by using flame detection devices
    • 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
    • F24C3/122—Arrangement or mounting of control or safety devices on stoves
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2237/00—Controlling
    • F23N2237/02—Controlling two or more burners

Definitions

  • the present invention relates to a gas burner arrangement, a hotplate and a stove.
  • a hotplate can have a gas burner arrangement with a gas valve, a gas burner and a feed line connecting the gas valve with the gas burner.
  • the gas burner arrangement can comprise a thermocouple for flame monitoring a flame of the gas burner. As soon as heat is applied to the thermocouple by the flame of the gas burner, this supplies a solenoid valve of the gas valve with electrical voltage. If the flame goes out, the thermocouple cools down and no longer applies electrical voltage to the solenoid valve. The solenoid valve closes the gas valve to interrupt the flow of fuel gas from the gas valve to the gas burner. This prevents unwanted combustion of unburned fuel gas.
  • the EP 1 251 316 B1 describes a gas burner arrangement with a plurality of gas burners and a plurality of gas valves, a mechanically actuable switch being provided in an electrical connection between a respective thermocouple of a gas burner and the gas valve.
  • the mechanically actuated switches of all gas burners are mechanically coupled to one another by means of a connecting piece. By actuating the connector, all switches are opened at the same time.
  • the DE 200 00 259 U1 describes a gas stove top.
  • the upper part of the gas stove includes an on-off switch, with the help of which all burners of the upper part of the gas stove can be switched off immediately by closing the corresponding safety valves.
  • the WO 2007/020178 A1 describes a time control for a gas hob.
  • the gas hob includes a main switch, when actuated, a gas supply to gas burners of the gas hob is interrupted.
  • thermocouple for regulating a fuel gas flow to the gas burner and a thermocouple for flame monitoring of a flame of the gas burner is assigned.
  • Each thermocouple is coupled to the gas valve assigned to it with the aid of an electrical circuit in such a way that when the flame of the gas burner goes out, the fuel gas flow to the gas burner is interrupted with the aid of the gas valve, each electrical circuit having an electrically actuable switch, the electrically actuable switch Switches for interrupting the electrical circuits between the thermocouples and the gas valves can be controlled with the aid of a common control device, and the electrically actuable switches are closed in an initial state.
  • thermocouple When the flame of the gas burner is detected, the thermocouple is set up to transmit a continuous signal to the gas valve assigned to it, the thermocouple being set up to interrupt the continuous signal when the flame of the gas burner goes out, so that the gas valve connects the fuel gas flow to the Gas burner interrupts.
  • the electrically actuable switch is set up to interrupt the continuous signal of the thermocouple, so that the gas valve interrupts the fuel gas flow to the gas burner.
  • the common control device is in particular set up to interrupt the electrical circuits at the same time. Because the switches can be actuated electrically and can be controlled jointly with the aid of the common control device, a mechanical connection of the switches can be dispensed with. This results in less wear on the switches compared to known arrangements. Furthermore, the electrically operated switches can be easily encapsulated so that they are not contaminated or damaged. In addition, by eliminating the mechanical coupling of the switches to one another, they can be positioned anywhere. This increases the degrees of freedom in the structural design of the gas burner arrangement.
  • thermocouple is set up to transmit a continuous signal to the gas valve assigned to it when the flame of the gas burner is detected, the thermocouple being set up to transmit the continuous signal when the To interrupt the flame of the gas burner so that the gas valve interrupts the fuel gas flow to the gas burner.
  • thermocouple generates an electrical voltage when exposed to heat.
  • a solenoid valve of the gas valve is controlled with the electrical voltage.
  • the solenoid valve is usually closed, ie when there is no voltage on it.
  • the solenoid valve is opened and the fuel gas flow from the gas valve to the gas burner is released. If the burner flame goes out, the thermocouple no longer generates an electrical voltage and the solenoid valve of the gas valve is closed in order to interrupt the flow of fuel gas to the gas burner.
  • the electrically actuable switch is set up to interrupt the continuous signal of the thermocouple, so that the gas valve interrupts the fuel gas flow to the gas burner.
  • the electrically actuable switch is in particular set up to interrupt the electrical circuit even when the thermocouple does not transmit a continuous signal to the gas valve.
  • the common control device is arranged directly on the gas valves.
  • the common control device has a printed circuit board on which the electrically actuable switches are arranged.
  • the electrically operated switches are clipped into the circuit board, for example.
  • the circuit board can be connected to valve housings of the gas valves.
  • the circuit board can be clamped or screwed onto the valve housing.
  • the electrically actuable switches are relays.
  • the electrically actuated switches are particularly attached to the valve housings of the gas valves.
  • the electrically actuable switches in particular housings of the electrically actuable switches, are clamped onto the valve housing.
  • the electrically operated switches are electronically operated switches.
  • An electronically actuated switch is an electronic component that realizes the function of a switch in the form of a semiconductor component.
  • the electronically operated switch can also be referred to as an electronic switch.
  • Examples of electronically actuated switches are analog switches or semiconductor switches. This results in a particularly low-wear construction of the gas burner arrangement. This increases the life of the gas burner assembly.
  • each electrically actuable switch is fastened to a valve housing of a respective gas valve.
  • each electrically actuable switch is clamped on the valve housing.
  • the common control device has a button for switching the electrically actuable switches.
  • the button is in particular a hand switch.
  • the common control device can be controlled in such a way that it opens the electrically actuable switches all at the same time.
  • the electrically actuable switches are closed in an initial state.
  • the initial state can also be referred to as the default state.
  • the functionality of a stove with such a gas burner arrangement is further ensured even in the event of a malfunction of one of the electrically actuated switches.
  • a hotplate with such a gas burner arrangement is proposed.
  • the hotplate can be part of a household appliance.
  • a stove with such a gas burner arrangement and / or such a hotplate is proposed.
  • the stove is particularly a household appliance.
  • the Fig. 1 shows a schematic view of a stove 1.
  • the stove 1 is in particular a gas stove.
  • the cooker 1 is a household appliance.
  • the cooker 1 has a hotplate 2 with a gas burner arrangement 3.
  • the gas burner arrangement 3 has at least two gas burners 4-8.
  • the number of gas burners 4 - 8 is unlimited.
  • the gas burner arrangement 3 can have five gas burners 4-8.
  • a gas valve 9-13 is assigned to each gas burner 4-8.
  • the gas valves 9-13 are preferably gas control valves.
  • the gas valves 9-13 are set up to regulate or optionally interrupt a fuel gas flow or gas volume flow to the respective gas burner 4-8.
  • Each gas valve 9-13 is attached to a main gas line 14.
  • the gas valves 9-13 are preferably connected to the main gas line 14.
  • thermocouple 20 - 24 is also assigned to each gas burner 4 - 8 ( Fig. 4 ). Each thermocouple 20-24 is arranged adjacent to the gas burner 4-8 assigned to it. In the Fig. 4 the thermocouples 20-24 are shown in an unmounted state, that is, the Thermocouples 20 - 24 are in the Fig. 4 not yet arranged adjacent to the gas burner 4 - 8 assigned to it. For example, the thermocouples 20-24 can each be clamped to a burner housing of the corresponding gas burner 4-8 or otherwise firmly connected to it. Each thermocouple 20 - 24 is set up to a flame 25 ( Fig. 2 ) of the gas burner 4 - 8 assigned to the respective thermocouple 20 - 24.
  • each thermocouple 20-24 is coupled to its associated gas valve 9-13 by means of an electrical circuit 26-30 such that when the flame of the gas burner 4-8 is extinguished, the fuel gas flow to the gas burner 4-8 is by means of the gas valve 9-13 is interrupted.
  • the thermocouple 20-24 generates an electrical voltage when the flame 25 is present on the gas burner 4-8, with the aid of which the gas valve 9-13 is kept in an open state.
  • the gas valve 9-13 can comprise a solenoid valve. As soon as the flame 25 of the gas burner 4-8 extinguishes, an electromagnet of the solenoid valve is no longer energized and the gas valve 9-13 interrupts the flow of fuel gas to the gas burner 4-8.
  • Each electrical circuit 26-30 has an electrically actuable switch 31- 35 ( Fig. 2 , 3rd and 4th ) on.
  • the electrically actuable switches 31-35 can be relays, for example.
  • the electrically actuated switches 31-35 can be electronically actuated switches.
  • the electrically operable switches 31-35 are closed.
  • the gas burner arrangement 3 has a common control device 36 for the common and in particular simultaneous actuation of the electrically actuable switches 31-35.
  • the electrically actuable switches 31-35 can thus be controlled to interrupt the electrical circuits 26-30 using the common control device 36.
  • the thermocouple 20-24 is set up to transmit a continuous signal to the gas valve 9-13 assigned to it when the flame 25 of the gas burner 4-8 is detected.
  • the thermocouple 20-24 is further configured to interrupt the continuous signal when the flame 25 of the gas burner 4-8 goes out, so that the gas valve 9-13 interrupts the fuel gas flow to the gas burner 4-8.
  • the electrically actuable switch 31-35 of each electrical circuit 26-30 is for this purpose set up to interrupt the continuous signal of the thermocouple 20-24 so that the gas valve 9-13 interrupts the fuel gas flow to the gas burner 4-8.
  • the common control device 36 is arranged directly on the gas valves 9-13.
  • the common control device 36 has a circuit board 37 on which the electrically actuable switches 31-35 can be arranged.
  • the circuit board 37 is attached to the gas valves 9-13.
  • the circuit board 37 is clamped or screwed to the gas valves 9-13.
  • Each electrically actuable switch 31-35 is connected to a valve housing 38-42 ( Fig. 4 ) of a respective gas valve 9-13 attached.
  • the electrically actuable switches 31-35 can be clamped to the respective valve housings 38-42.
  • the common control device 36 for switching the electrically actuable switches 31-35 has a common button 43.
  • the button 43 is in particular a hand switch. With the help of the button 43, all the switches 31-35 can be switched simultaneously.
  • thermocouple 20-24 detects the flame 25 on the gas burners 4-8 flows to the respective gas burner 4 - 8.
  • button 43 By actuating the button 43, all normally closed electrically actuable switches 31-35 are opened, so that the signal from the thermocouple 20-24 is no longer transmitted to the respective solenoid valve of the gas valves 9-13.
  • the gas valves 9-13 interrupt the fuel gas flow from the main gas line 14 to the respective gas burner 4-8.
  • the flames 25 of the gas burners 4-8 extinguish.
  • the button 43 is thus an emergency stop switch for the hotplate 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Combustion (AREA)
  • Feeding And Controlling Fuel (AREA)

Claims (9)

  1. Agencement de brûleur à gaz (3) pour un plan de cuisson (2), comportant au moins deux brûleurs à gaz (4-8), à chacun desquels sont associés une soupape à gaz (913) pour régler un écoulement de gaz combustible vers le brûleur à gaz (4-8) et un thermocouple (20-24) pour surveiller la flamme d'une flamme (25) du brûleur à gaz (4-8), dans lequel chaque thermocouple (20-24) est couplé avec la soupape à gaz (9-13) qui lui est associée à l'aide d'un circuit de commutation électrique (26-30) de telle manière que, lors d'une extinction de la flamme (25) du brûleur à gaz (4-8), l'écoulement de gaz combustible vers le brûleur à gaz (4-8) est interrompu à l'aide de la soupape à gaz (9-13), chaque circuit de commutation électrique (26-30) comprenant un commutateur (31-35) actionnable électriquement, dans lequel les commutateurs (31-35) actionnables électriquement peuvent être commandés pour interrompre les circuits de commutation électriques (26-30) entre les thermocouples (20-24) et les soupapes à gaz (9-13) à l'aide d'un dispositif de commande commun (36), les commutateurs actionnables électriquement (31-35) étant fermés dans un état initial, et le thermocouple (20-24) est configuré pour transmettre, en cas de détection d'une flamme (25) du brûleur à gaz (4-8), un signal continu à la soupape à gaz (9-13) qui lui est associée, et dans lequel le thermocouple (20-24) est configuré de manière à interrompre le signal continu en cas d'extinction de la flamme (25) du brûleur à gaz (4-8) de façon à ce que la soupape à gaz (9-13) interrompe l'écoulement de gaz combustible vers le brûleur à gaz (4-8), et le commutateur actionnable électriquement (31-35) est configuré de manière à interrompre le signal continu du thermocouple (20-24) de façon à ce que la soupape à gaz (9-13) interrompe l'écoulement de gaz combustible vers le brûleur à gaz (4-8).
  2. Agencement de brûleur à gaz selon la revendication 1, caractérisé en ce que le dispositif de commande commun (36) est disposé directement sur les soupapes à gaz (9-13).
  3. Agencement de brûleur à gaz selon la revendication 1 ou 2, caractérisé en ce que le dispositif de commande commun (36) comprend une carte à circuit imprimé (37) sur laquelle les commutateurs actionnables électriquement (31-35) sont disposés.
  4. Agencement de brûleur à gaz selon l'une des revendications 1 à 3, caractérisé en ce que les commutateurs actionnables électriquement (31-35) sont des relais.
  5. Agencement de brûleur à gaz selon l'une des revendications 1 à 4, caractérisé en ce que les commutateurs actionnables électriquement (31-35) sont des commutateurs actionnables électroniquement.
  6. Agencement de brûleur à gaz selon l'une des revendications 1 à 5, caractérisé en ce que chaque commutateur actionnable électriquement (31-35) est fixé à un corps de soupape (38-42) d'une soupape à gaz (9-13) respective.
  7. Agencement de brûleur à gaz selon l'une des revendications 1 à 6, caractérisé en ce que le dispositif de commande commun (36) comprend un bouton-poussoir (43) pour commuter les commutateurs actionnables électriquement (31-35).
  8. Plan de cuisson (2) comprenant un agencement de brûleur à gaz (3) selon l'une des revendications 1 à 7.
  9. Cuisinière (1) comprenant un agencement de brûleur à gaz (3) selon l'une des revendications 1 à 7 et/ou un plan de cuisson (2) selon la revendication 8.
EP15708281.9A 2014-02-03 2015-01-22 Brûleur à gaz, poste de cuisson, et cuisinière Active EP3102880B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201430132A ES2542254B1 (es) 2014-02-03 2014-02-03 Disposición de quemadores de gas, punto de cocción, y cocina
PCT/IB2015/050492 WO2015114496A1 (fr) 2014-02-03 2015-01-22 Système de brûleurs à gaz, zone de cuisson et cuisinière

Publications (2)

Publication Number Publication Date
EP3102880A1 EP3102880A1 (fr) 2016-12-14
EP3102880B1 true EP3102880B1 (fr) 2020-03-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15708281.9A Active EP3102880B1 (fr) 2014-02-03 2015-01-22 Brûleur à gaz, poste de cuisson, et cuisinière

Country Status (3)

Country Link
EP (1) EP3102880B1 (fr)
ES (1) ES2542254B1 (fr)
WO (1) WO2015114496A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3522545C1 (de) * 1985-06-24 1987-01-02 Bosch Siemens Hausgeraete Schaltungsanordnung zur zeitgesteuerten Abschaltung eines Gasbrenners
IT243260Y1 (it) * 1999-01-15 2002-03-01 Whirlpool Co Piano di cottura a gas
US6164958A (en) * 1999-09-20 2000-12-26 Huang; Tai-Tung Safety system for gas range
ITMI20010222U1 (it) * 2001-04-19 2002-10-21 Whirlpool Co Dispositivo di sicurezza per apparecchi domestici di cottura a gas
EP1564487A2 (fr) * 2004-02-11 2005-08-17 Diehl AKO Stiftung & Co. KG Dispositif de commande pour un brûleur à gaz indépendant du réseau
TR201816089T4 (tr) * 2005-08-16 2018-11-21 Bsh Hausgeraete Gmbh Bir gazlı pişirme alanı için zaman kontrolü.

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
ES2542254B1 (es) 2016-05-17
ES2542254A1 (es) 2015-08-03
EP3102880A1 (fr) 2016-12-14
WO2015114496A1 (fr) 2015-08-06

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