EP0926437B1 - Aménagement des brûleurs à gaz pour une surface de cuisson - Google Patents

Aménagement des brûleurs à gaz pour une surface de cuisson Download PDF

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Publication number
EP0926437B1
EP0926437B1 EP98124267A EP98124267A EP0926437B1 EP 0926437 B1 EP0926437 B1 EP 0926437B1 EP 98124267 A EP98124267 A EP 98124267A EP 98124267 A EP98124267 A EP 98124267A EP 0926437 B1 EP0926437 B1 EP 0926437B1
Authority
EP
European Patent Office
Prior art keywords
gas
burner
valve
arrangement according
actuating element
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
Application number
EP98124267A
Other languages
German (de)
English (en)
Other versions
EP0926437A1 (fr
Inventor
Bernd Dipl.-Ing. Mühle
Werner Gronnenberg
Jörn Dipl.-Ing. Naumann
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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP0926437A1 publication Critical patent/EP0926437A1/fr
Application granted granted Critical
Publication of EP0926437B1 publication Critical patent/EP0926437B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
    • F23D14/065—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head with injector axis inclined to the burner head axis
    • 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
    • F24C3/08—Arrangement or mounting of burners
    • F24C3/085—Arrangement or mounting of burners on ranges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14062—Special features of gas burners for cooking ranges having multiple flame rings

Definitions

  • the present invention relates to a gas burner arrangement for hotplates a multi-circuit gas burner with an internal burner with side gas-air mixture outlet openings and with low burning power and with one at a distance ring-shaped outer burner with gas-air mixture outlet openings arranged by the inner burner is equipped, as well as with a manually operated gas valve Passing through, dosing and shutting off the multi-circuit burner via separate Pipelines feedable burner gas.
  • Such gas burner assemblies are usually used for heating, heating and preparing food for use, especially where there is high heating output be required.
  • multi-circuit burners constructed in this way Heating outputs up to 5 kW and above can be realized.
  • Such burners are particularly suitable such burners as wok burners.
  • Multi-circuit gas burners are also used, to increase the control bandwidth by switching individual on and off To achieve burner circuits, the heating output of which can also be changed. On such burner is e.g. known from US 5 158 067 A.
  • a gas burner arrangement designed according to these points of view is according to the invention, characterized in that the hand-operated gas fitting three via an actuator that is adjustable in a plurality of adjustment positions and intermediate positions has gas duct branches that can be opened and closed by valves, two of which valve-actuated gas duct branches open for one each fixed gas throughput and another valve-loaded gas duct branch for an influenceable via the actuator and the associated valve variable gas flow rate is designed so that a first of the gas channel branches with fixed assigned gas flow rate to the internal burner and starting from the Reset to zero if necessary after a preliminary stretch of the actuator setting whose full adjustment distance is opened by the associated valve and that the two other gas duct branches are assigned to the external burner and via a Part of the adjustment path that keeps the first gas duct branch open the assigned valves are activated.
  • the gas burner arrangement according to the invention characterized in that the gas duct branches assigned to the external burner over an end section of the line that keeps the first gas channel branch open Adjustment distance of the actuator via the valves are activated, and that in the Starting position of this end section of the valve for the gas duct branching with the variable gas throughput fully opened and lockable in position analogous to the end position is.
  • the gas burner arrangement according to the invention is thus characterized by a simple one Construction from that with high maximum burning power and relatively low minimum burning power can be operated in a user-friendly manner.
  • the one with constant performance Internal burners can, for example, have a power between 300 W to 500 W. be designed and serves both as a burner for the lowest combustion power and preferred as a pilot burner, i.e. in its close range the ignition element is preferably to arrange which, depending on the form of use of the gas burner arrangement according to the invention by a piezo voltage generator or by an electronic one Voltage generator can be influenced.
  • the use of a piezo voltage generator is preferred rather for portable gas burner units, in which an external Power supply is not secured.
  • a Thermocouple to be arranged, possibly as a so-called flame monitoring element serves and acts on a closure element in the gas fitting, so that the gas flow to the burner is interrupted when the flame on the inner burner goes out is.
  • the external burner can now, for example, have a maximum output of 5,000 W. be designed, this output of the external burner by throttling the gas supply can be regulated down to approx. 1,000 W.
  • Both the gas supply for performance of the internal burner as well as the gas supply for the minimum output of the external burner are set as fixed values by gas duct branches in the gas valve dosed so that even at these relatively low values in the overall design of the High burner security is guaranteed.
  • the maximum power of the burner is then achieved by an additional third channel branching in the valve, each can be variably set up to the maximum value at the operator's request can.
  • the necessary Gas injector nozzle arrangement in the area of which the fuel gas mixes with the primary air will be arranged for the internal burner directly in the burner head while the corresponding one Gas injector nozzle arrangement for the external burner in the vicinity of the gas valve is arranged.
  • the gas injector nozzle arrangement is provided up to the focal point completely sufficient to become a to lead good flame formation.
  • gas burner assemblies 4 and associated gas fittings 5 for two hotplates On a base frame, consisting of two angle strips 2 equipped with feet 1 and an intermediate base board 3 are gas burner assemblies 4 and associated gas fittings 5 for two hotplates attached.
  • the completely identical trained gas burner arrangements 4 each have two burner circuits, namely one Inner burner 6 and an outer burner 7 arranged around it, and are with its supply channel for the gas-air mixture intended for the external burner 7 V-shaped in the direction of the gas fittings 5.
  • the vertical Level to the gas-air guide channel 8 for the external burner 7 is opposite in the lower area of the burner head of each of the gas burner arrangements 4 a connection provided for a gas output 9 starting from the respective fitting 5, the gas injector nozzle arrangement arranged in the burner head of the gas burner arrangement 4 10 leads.
  • the gas coming from the valve 5 is passed through a gas nozzle 13, which is part of the fitting body, taking primary air blown.
  • the intensive mixing of injected gas and suction Air to the external burner 7 is found in the gas-air supply duct 8 which is long enough instead of.
  • an axially displaceable pipe socket 14 with an intake funnel 14 ' is assigned, over which the effective distance of the gas-air supply channel 8 to the nozzle 13 is changeable, whereby the air intake can also be changed.
  • This pipe socket 14 can be actuated via an angle lever 15 mounted in the base plate by a rotary knob assembly 16, the - not shown - operating button protrudes from the control panel - also not shown.
  • the gas supply for the gas burner arrangements 4 of the two hotplates of the hob takes place centrally via a gas line 17 which is T-shaped between the two fittings 5 is connected to the two fittings 5.
  • the two fittings 5 are constructed and arranged symmetrically to one another. They each contain three Gas channel branches, which have a rotary knob arrangement 18, which have a - not shown - open operating button protruding beyond the control panel and can be closed.
  • One of the gas duct branches in the valve 5 is designed for constant gas throughput and the gas supply line 9 to Internal burner 6 assigned. After an initial rotary movement of the rotary toggle device 18, this gas channel branch is opened completely, for the whole further adjustment path of this rotary toggle device 18.
  • an ignition electrode 20 is arranged in the vicinity of the inner burner 6.
  • the ignition voltage for generating the ignition sparks is generated at the Embodiment according to FIGS. 1 and 5 with the aid of an ignition generator 21, which by one of the rotary toggle devices e.g. operable by axial pushing Contact 24 is activated or in the embodiment of FIGS. 2 and 4 by the Actuation of a piezo element on which the rotary toggle device 18 acts by prepared by the advance rotary movement or pushing-in movement of the Rotary toggle device at the time of opening of said gas channel branch a striking movement is exerted on the piezo element 25.
  • thermocouple 22 is arranged over which - as long as the flame on the inner burner 6 is present - a main valve 23 is kept open for the gas outlet.
  • the nozzle 13 and thus each of the gas burner arrangement 4 are assigned to the external burner 7.
  • the flame of the inner burner 6 is ignited.
  • One of the two assigned to the external burner 7 and to the gas nozzle 13 guided gas channel branches is variable with regard to the gas flow rate and can until the end of a predetermined angle of rotation of the rotary toggle device be completely closed.
  • the second of the gas channel branches led to the gas nozzle 13 remains fully open during this time and is used for secure gas supply for the external burner 7 at minimum heating output.
  • the design and arrangement of the gas burners for two hotplates is designed in this way and chosen that for simple and similar components for the both hotplate units can be used.
  • the gas fittings 5 as well their associated adjustment mechanisms for the addition of air in the area of the nozzles 13 are mirror images and largely identical; the design of the Two-circuit gas burner arrangements 4 are completely identical. Nevertheless, it allows this Design that the actuators for the cooker areas apart are close together on the front panel and an operating block form.

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

Claims (9)

  1. Aménagement de brûleurs à gaz pour une surface de cuisson avec un brûleur à gaz à plusieurs sections, qui est équipé d'un brûleur intérieur à orifices latéraux de sortie d'un mélange gaz-air et à faible puissance de chauffe, ainsi que d'un brûleur extérieur en forme d'anneau, placé à distance du brûleur intérieur, à orifices de sortie d'un mélange gaz-air, ainsi qu'avec une robinetterie de gaz pouvant être commandée manuellement pour le passage, le dosage et la coupure du gaz du brûleur pouvant être amené au brûleur à plusieurs sections par l'intermédiaire de conduites séparées, caractérisé en ce que la robinetterie de gaz (5) pouvant être commandée manuellement présente trois branchements de conduites de gaz ouvrables et fermables au moyen de soupapes par l'intermédiaire d'un organe de commande réglable dans une multitude de positions de réglage et de positions intermédiaires, dont deux branchements de conduites de gaz exposés à la soupape sont ouverts pour respectivement un débit de gaz prédéfini de manière fixe, et un autre branchement de conduites de gaz exposé à la soupape est exécuté pour un débit de gaz variable, influençable par l'intermédiaire de l'organe de commande (18) et de la soupape correspondante, de sorte qu'un premier des branchements de conduites de gaz à débit de gaz prédéfini de manière fixe, attribué au brûleur intérieur (5) et partant de la position zéro selon éventuellement une trajectoire préalable du réglage de l'organe de commande, est ouvert sur la pleine trajectoire de réglage au moyen de la soupape correspondante, et que les deux autres branchements de conduites de gaz sont attribués au brûleur extérieur (7) et sont activés par les soupapes correspondantes sur une trajectoire partielle de la trajectoire de réglage maintenant le premier branchement de conduites de gaz ouvert.
  2. Aménagement de brûleurs à gaz selon la revendication 1, caractérisé en ce que les branchements de conduites de gaz attribués au brûleur extérieur (7) sont activables sur une trajectoire partielle terminale de la trajectoire de réglage de l'organe de commande (18) maintenant le premier branchement de conduites de gaz ouvert par l'intermédiaire de ses soupapes, et en ce que, en position de départ de cette trajectoire partielle terminale, la soupape pour le branchement de conduites de gaz à débit de gaz variable est ouverte complètement et est fermée jusqu'à une position finale.
  3. Aménagement de brûleurs à gaz selon l'une des revendications 1 ou 2, caractérisé en ce qu'un élément d'allumage (20) d'un dispositif d'allumage est placé dans la partie des orifices de sortie du mélange air-gaz du brûleur intérieur (6).
  4. Aménagement de brûleurs à gaz selon la revendication 3, caractérisé en ce que le dispositif d'allumage comporte un transmetteur de tension piézoélectrique à charges de pointe (25).
  5. Aménagement de brûleurs à gaz selon la revendication 4, caractérisé en ce qu'un mécanisme de battement influençant le transmetteur de tension piézoélectrique à charges de pointe (25) est tendu après que la trajectoire partielle du réglage de l'organe de commande soit surmontée et en ce que, au début de la trajectoire de réglage maintenant le branchement de conduites de gaz ouvert vers le brûleur intérieur, la trajectoire de réglage est libérée.
  6. Aménagement de brûleurs à gaz selon la revendication 3, caractérisé en ce que le dispositif d'allumage comporte un transmetteur de tension électronique à charges de pointe (21) qui est activable par l'intermédiaire d'un commutateur (24) commandable par l'organe de commande 18 par pression axiale.
  7. Aménagement de brûleurs à gaz selon l'une des revendications 1 à 6, caractérisé en ce qu'une sonde thermique (22) est placée dans la partie de la flamme du brûleur intérieur (6), au moyen de laquelle, en cas d'exposition à la flamme, l'alimentation en gaz réglée vers les brûleurs est assurée par l'intermédiaire de la robinetterie à gaz, également à l'extérieur de l'influence de l'organe de commande dans le sens de pression axiale.
  8. Aménagement de brûleurs à gaz selon l'une des revendications 1 à 7, caractérisé en ce que le dispositif à buse d'injection de gaz (10) pour le brûleur intérieur est disposé dans la partie inférieure de la tête du brûleur (4).
  9. Aménagement de brûleurs à gaz selon l'une des revendications 1 à 8, caractérisé en ce que le dispositif à buse d'injection de gaz pour le brûleur extérieur 7 est disposé à proximité de la robinetterie à gaz, à laquelle la buse de gaz (13) est attribuée, laquelle est orientée de manière centrée sur l'orifice d'entrée de la conduite d'arrivée du gaz et de l'air (14) pour le brûleur extérieur (7) dans la tête du brûleur (4).
EP98124267A 1997-12-23 1998-12-18 Aménagement des brûleurs à gaz pour une surface de cuisson Expired - Lifetime EP0926437B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19757733 1997-12-23
DE19757733A DE19757733A1 (de) 1997-12-23 1997-12-23 Gasbrenneranordnung

Publications (2)

Publication Number Publication Date
EP0926437A1 EP0926437A1 (fr) 1999-06-30
EP0926437B1 true EP0926437B1 (fr) 2003-07-02

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ID=7853296

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EP98124267A Expired - Lifetime EP0926437B1 (fr) 1997-12-23 1998-12-18 Aménagement des brûleurs à gaz pour une surface de cuisson

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EP (1) EP0926437B1 (fr)
DE (2) DE19757733A1 (fr)
ES (1) ES2202730T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008014841B4 (de) * 2008-03-07 2015-05-28 E.G.O. Elektro-Gerätebau GmbH Gasbrenner-Modul für ein Gaskochfeld sowie Gaskochfeld

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2804496B1 (fr) * 2000-01-28 2002-07-19 Sourdillon Sa Bruleur a gaz a multiples couronnes de flammes
US6619279B1 (en) * 2002-01-14 2003-09-16 Tsung-Ming Liao Broiler switch structure
DE102010006276A1 (de) * 2010-01-25 2011-07-28 E.G.O. Elektro-Gerätebau GmbH, 75038 Zweikreis-Brennersystem und Verfahren zum Betrieb eines solchen Zweikreis-Brennersystems
DE102012219039A1 (de) * 2012-10-18 2014-04-24 E.G.O. Elektro-Gerätebau GmbH Verfahren zum Betrieb eines Gaskochgeräts und Gaskochgerät

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2545196B1 (fr) * 1983-04-29 1985-08-16 Gaz De France Bruleur pour combustibles gazeux a systemes d'allumage et de securite incorpores
US5158067A (en) * 1991-10-21 1992-10-27 Dutro Company Wok adapted portable food cooker
IT1258754B (it) * 1992-01-13 1996-02-27 Smeg Spa Bruciatore perfezionato per fornelli di cottura a gas a tre fiamme concentriche
IT1281854B1 (it) * 1995-03-17 1998-03-03 Over All S R L Bruciatori a gas per piani di cottura in vetroceramico e per riscaldamento

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008014841B4 (de) * 2008-03-07 2015-05-28 E.G.O. Elektro-Gerätebau GmbH Gasbrenner-Modul für ein Gaskochfeld sowie Gaskochfeld

Also Published As

Publication number Publication date
DE19757733A1 (de) 1999-06-24
EP0926437A1 (fr) 1999-06-30
ES2202730T3 (es) 2004-04-01
DE59808898D1 (de) 2003-08-07

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