WO2012011032A1 - Plaque de cuisson à gaz - Google Patents

Plaque de cuisson à gaz Download PDF

Info

Publication number
WO2012011032A1
WO2012011032A1 PCT/IB2011/053162 IB2011053162W WO2012011032A1 WO 2012011032 A1 WO2012011032 A1 WO 2012011032A1 IB 2011053162 W IB2011053162 W IB 2011053162W WO 2012011032 A1 WO2012011032 A1 WO 2012011032A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
valve
main valve
gas hob
hob
Prior art date
Application number
PCT/IB2011/053162
Other languages
German (de)
English (en)
Inventor
Paulo Marcos Andrade Soares
Javier Corral Ricalde
Melca Gutierrez Humara
Emilio Placer Maruri
Original Assignee
BSH Bosch und Siemens Hausgeräte 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 Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to CN2011800361184A priority Critical patent/CN103003635A/zh
Priority to EP11749245.4A priority patent/EP2596291A1/fr
Priority to EA201291428A priority patent/EA201291428A1/ru
Publication of WO2012011032A1 publication Critical patent/WO2012011032A1/fr

Links

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/005—Regulating fuel supply using electrical or electromechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/14—Fuel valves electromagnetically operated

Definitions

  • the present invention relates to a gas hob with a plurality of gas burners.
  • Gas stoves or built-in kitchens with countertops often include gas hobs that are either inserted into a gas stove or embedded in a worktop.
  • a metal tray is used, in which the gas burners are used.
  • Below the gas burners and the cooking surface then run the valves for controlling the gas supply to the individual burners.
  • the available space is usually very limited. This is especially true if a gas hob is to be installed in built-in kitchens and cabinets.
  • a gas cooking apparatus arrangement in which a main valve unit is provided as an interface to a gas supply line of the gas range.
  • a corresponding main valve unit controls the supply of gas to individual burner valve units and provides an additional safety device for the automatic blocking of a gas supply in case of malfunction of one or more burners.
  • Another main valve is described in WO 2009/146730, which is designed with an electrically operated valve member and wherein the inlet and outlet ports are either coaxially offset or perpendicular to each other.
  • Most solenoid valves are used as main valves, which are operated either with DC or AC voltage.
  • Corresponding known solenoid valves are not flexible and usually do not meet the requirements of the given in hobs cramped space specifications. It is therefore an object of the present invention to provide an improved gas hob.
  • a gas hob which a plurality of gas burners, a coupled to a gas supply line main mechanical valve for blocking or Passing a gas flow to the gas burners and a solenoid assembly for actuating the main valve comprises.
  • the solenoid assembly is mechanically releasably coupled to the main valve.
  • the mechanical main valve and the solenoid assembly are designed to operate it separately and individually. It is thereby possible to couple different solenoid assemblies, for example either DC or AC, to the main mechanical valve.
  • the coupling is preferably carried out mechanically, for example by means of a lever mechanism, a transmission or the like.
  • the solenoid assembly and the main valve are coupled together by means of a linkage or a pin.
  • the solenoid assembly includes a housing separate from the main valve for a solenoid.
  • a valve body may be embodied in a different material from the housing of the electromagnet.
  • the main valve is arranged in the manner of an angle valve in the region of a corner of the gas hob.
  • an inflow, an outflow and a valve plunger of the main valve perpendicular to each other.
  • the valve stem opens or closes depending on its position a flow cross-section of the main valve.
  • the central axes of the inflow and outflow are then offset from one another.
  • the valve stem is guided in a valve chamber, which connects the inflow and outflow together.
  • the valve chamber is designed, for example, cylindrical and can with a valve stem, according to the Geometry of the valve chamber is adapted to open or release a cross section of the chamber and thus determine a gas flow.
  • the inflow is directed at the intended installation of the gas hob down.
  • the gas hob may be provided with a formed on its underside in the region of a corner valve.
  • an inflow port is directed downwardly, and a valve stem axis and a center axis of the outflow port are perpendicular to each other and form a corner which is parallel to the corner of the outer contours of the gas hob.
  • the main valve is equipped with an inflow and an outflow, which are arranged coaxially with each other.
  • a central axis of the Einströmstutzens which may be tubular
  • a central axis of the Ausströmstutzens which may also be tubular
  • a valve portion may be provided which forms a valve chamber.
  • a valve stamper is preferably provided for changing a flow cross-section of the main valve, the valve stamper intersecting the coaxial axis of the inflow stub and the outflow stub at an angle which is smaller than 90 °.
  • the inflow or the outflow is equipped with a threaded connection, for example, for connection to a gas connection line or to a gas cooktop internal gas line to the gas burners.
  • the inflow or outflow can also have a connector, a quick-connection connection or a bayonet connection.
  • the threaded connection, the connector, the quick-connection connection or the bayonet connection are gas-tight.
  • Quick Connection connections so quick connector, known, which are used in gas fittings.
  • the connector, the quick connection connection or the bayonet connection is designed such that a rotation of the main valve about a common coaxial axis of the inflow and the outflow is gas-tight. This makes it easier to install the main valve in a prefabricated gas hob with supply and discharge for gas.
  • the main valve can be easily installed adapted to the installation conditions with regard to its orientation about the longitudinal axis.
  • a coaxial axis of the inflow and outflow stubs and the valve stems extend in a plane.
  • This level is preferably below and parallel to a cooking surface of the gas hob.
  • the cooking surface is understood to be the plane on which the cookware is placed on the gas burners, for example with the aid of pan supports.
  • a flow cross-section of a valve section which connects the inflow pipe and the outlet pipe, can be changed.
  • the valve stem is guided in a direction to a coaxial axis of the inflow and the Ausströmstutzens, and the direction includes with the coaxial axis at an angle between 45 ° and 90 °.
  • the valve stem is preferably mechanically coupled to the solenoid assembly.
  • a releasable connection between, for example, a shaft of the valve stem and a connecting piece of the electromagnet assembly is installed.
  • FIG. 1 shows a schematic representation of a first embodiment of a gas hob in plan view
  • Figure 2 is a perspective view of the first embodiment of the gas hob
  • Figure 3 is a perspective view of a section of the first embodiment of the gas hob with a main valve
  • Figure 4 cross-sectional views of a first embodiment of a main valve for a gas hob
  • Figure 5 is a schematic representation of a second embodiment of a gas hob in plan view
  • Figure 6 is a perspective view of a section of the second embodiment of the gas hob with a main valve
  • Figure 7 cross-sectional views of a second embodiment of a main valve for a gas hob.
  • FIG. 1 shows a schematic representation of a first embodiment of a gas hob in plan view.
  • the gas hob 1 in this case comprises a plurality of burner devices 4, 5, 6, 7, which are indicated by dashed lines in the figure 1 only schematically.
  • a gas supply line 25 is provided, run from the distribution lines 8 to the gas burners 4, 5, 6, 7, to supply them with combustion gas.
  • Other control valves for example, to adjust the performance of the individual burners during the cooking process, are not explicitly shown here.
  • the interface between an external gas connection 2 and the internal gas supply line 25 is provided by a main valve 3.
  • the main valve 3 is used for safe operation of the gas hob or the gas hob. In case of a malfunction interrupts, for example triggered by a suitable control, the main valve 3 a gas flow to the gas burners 4, 5, 6, 7.
  • the solenoid assembly 9 and the main valve 3 are separate components.
  • FIG. 2 shows a perspective view of the gas hob from its underside.
  • the gas hob 1 essentially comprises a sheet metal trough 1 1, in which the gas burners are mounted from above O.
  • supply lines, fittings such as control valves and the main valve are provided on the bottom, which is visible in perspective in Figure 2, supply lines, fittings such as control valves and the main valve are provided.
  • the embodiment of a gas hob 1 in Figure 2 has a corner valve 12 as the main valve. It recognizes a downwardly directed U inflow 10, which is coupled, for example, to an external gas supply line. At right angles to the inflow neck 10, a discharge nozzle 13 extends. It can be seen in Figure 2 also the valve body 18 connecting these two nozzles.
  • FIG. 3 shows an enlarged detail of the cooktop from below.
  • the mechanical main valve 12 with its valve body 18, which comprises a valve chamber, as described below, which connects the inflow pipe 10 and the exhaust pipe 13 with one another, so that a gas flow is possible in the opened state of the valve.
  • a shaft 17 which coincides with a in the 3 unrecognizable valve stamper is connected, and its position determines a flow area within the valve body 18.
  • an electromagnet arrangement 9 is provided, which is mechanically connected to the shaft 17 via an arm 19 as a coupling means. By operating or activating the electromagnet 9, the shaft 17 is inserted or withdrawn into the valve 12. That is, the valve 12 releases a flow or blocks a gas flow. It can be seen that the electromagnet arrangement 9 comprises a housing 30 which is separated from the main valve body 3. In the housing 30, the actual electromagnet, which is not visible here, installed.
  • FIG. 4 shows cross-sectional views in detail of a main valve designed as an angle valve.
  • FIG. 4A shows a side view of the main valve 12 in blocking operation, that is to say in the closed state.
  • FIG. 4B shows the same sectional view in the opened state. It can be seen a valve body 18 which forms a valve chamber 24 in the interior. To the valve chamber 24 performs a Einströmstutzen 10, which is rohrformig and a discharge nozzle 13, which is also rohrformig.
  • a valve temple 16 is inserted, which is guided along its valve stem axis 21 in the valve chamber 24.
  • the valve stem 16 is provided with a valve stem 17, which is mechanically coupled via a coupling means, such as a clamp or a lever 19 to a connector 20 of an electromagnet assembly, not shown here.
  • the valve chamber 24 is closed by a plug 23 having an opening for guiding the valve body shaft 17.
  • the Einströmstutzen 10 down U. It can be seen that in the blocking operation, as shown in Figure 4A, the gas G of the valve stem 16, the one Closing opening of the valve chamber 24 to the inflow, is blocked. Thus, no gas G passes through the valve chamber 24 to the outflow 13th
  • the valve stem 16 is partially withdrawn from the valve chamber 24 and releases an opening from the inflow pipe 10 into the valve chamber 24, so that the gas G can flow through the valve chamber 24 and reaches the outlet pipe 13.
  • valve stem 16 The removal or the mechanical movement of the valve stem 16 via its shaft 17 is effected by a mechanical coupling of the movement of an electromagnet, not shown here.
  • the connection to the electromagnet is designed releasably, so that various available electromagnet arrangements can be used.
  • the valve stem 16 is provided with a sealing ring 22 which presses on a bearing surface 29 of the valve chamber 24 in the closed state and sealingly closes.
  • FIGS. 4C and 4D show the main valve 12 in the form of an angle valve in plan view. That is, it is from the top (practically through the metal sheet of the trough 1 shown in Figure 3 1) looked at the main valve 12.
  • 4C again shows the blocking state of the main valve 12 shown in FIG. 4A.
  • FIG. 4D corresponds to the position of the valve stem, as shown in FIG. 4B. It can be seen, with reference to FIGS. 4A-4D, that on the one hand the central axis 15 of the outflow nozzle 13 and the central axis 14 of the inflow nozzle 10 are perpendicular to one another and, on the other hand, that the central axis 21 of the valve stem 16 and of the valve stem 17 are vertical.
  • the respective center axes of the inflow neck 10, the outflow neck 13 and the valve stem, ie the valve movement, form a right-angled tripod.
  • FIG. 5 schematically shows a second embodiment of a gas cooktop in plan view.
  • a main gas line 2, 25 runs parallel to one side of the cooktop 1.
  • the main gas line 2, 25 is interrupted by the main valve 3, which is actuated by means of an electromagnet arrangement 9.
  • four gas burners 4, 5, 6, 7 are schematically indicated, which are connected via supply lines 8 with the gas supply line 25 present downstream of the main valve 3.
  • FIG. 6 shows a perspective cutaway view of the underside of the cooktop with a second embodiment of a main valve. 6 shows the main gas line sections 2, 25 and the main valve 26.
  • the outlet connection is coupled to the gas supply line 25, which supplies the gas burners provided with gas. provides.
  • FIG. 7 shows the second embodiment of the main valve in cross section.
  • the main valve comprises a valve body 18, which forms a valve chamber 24A, 24B, which can be closed by a valve stem 16.
  • the valve body 18 is adjoined by an inlet connection piece 10 equipped with a connection thread and a discharge connection piece 13 equipped with a quick connector 27.
  • the central axis 14 of the Einströmstutzens 10 and the central axis 15 of the Ausströmstutzens 13 extend coaxially, so falling on each other.
  • the direction of movement of the valve stem 16 and its shaft 17 and the central axis 21 of the valve stem cuts this coaxial axis, ie the common axis 14, 15 of inflow and outflow at an angle which is smaller than 90 °.
  • the angle for example, at a particularly acute angle, the main valve 26 can be designed to save space.
  • the closed state of the main valve that is, the valve stem lies on a support surface 29 in the cross section of the valve body 18 and sealingly closes, for example, provided with a ring seal 22 from. That is, the inflow port 10 is separated gas-tight from the discharge port 13.
  • FIG. 7B shows the main valve 26 in the opened state.
  • the valve stem 16 is pulled out of its closed position along the shaft axis 21 and thus releases an opening between a left portion 24A of the valve chamber and a right portion 24B of the valve chamber.
  • the coaxial design of a main valve allows easy use in a straight, for example, parallel to one side of the hob, extending main gas line.
  • the installation of a corresponding main valve 26 is facilitated by the configuration of the connecting means to the connecting piece. For example, in the embodiment of FIG.
  • the inflow pipe 10 is provided with a thread 28, so that a gas-tight connection to the inlet pipe 2 can be made easily via a suitably configured sleeve. Threads are particularly cheap and easy to manufacture.
  • the outlet 13 is equipped with a quick connector, for example with a snap or clamping mechanism 27. This allows a quick connection of the internal gas distribution pipe 25, which is equipped with a correspondingly compatible connection piece.
  • the combination of a thread 28 on the one hand and a quick connector 27 on the other hand allows even in the installation situation, a rotation of the main valve to the coaxial axis 14, 15. It is thus particularly easy to use the main valve 26 in an existing or prefabricated cooktop and the spatial Adapt conditions.
  • the proposed gas hobs with main valves is particularly cost effective and inexpensive to produce. Furthermore, the non-integrated design of the main valve, ie without integrated electromagnet, allows flexible use. In particular, it is possible to use known electromagnetic actuators which are operated either with direct current or with alternating current.
  • the proposed valve designs are particularly space-saving, inexpensive and easy to use in cramped conditions of gas hob arrangements. Used reference signs:

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Magnetically Actuated Valves (AREA)
  • Baking, Grill, Roasting (AREA)
  • Taps Or Cocks (AREA)
  • Valve Housings (AREA)

Abstract

L'invention concerne une plaque de cuisson à gaz (1) comprenant plusieurs brûleurs de gaz (4, 5, 6, 7), une soupape principale (3) mécanique accouplée à un conduit de raccordement au gaz (2), destinée à bloquer ou à laisser passer un flux de gaz vers les brûleurs de gaz (4, 5, 6, 7) et un dispositif électromagnétique (9) pour actionner la soupape principale (3). Le dispositif électromagnétique (9) est mécaniquement accouplé de manière amovible à la soupape principale (3).
PCT/IB2011/053162 2010-07-23 2011-07-15 Plaque de cuisson à gaz WO2012011032A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2011800361184A CN103003635A (zh) 2010-07-23 2011-07-15 燃气灶具
EP11749245.4A EP2596291A1 (fr) 2010-07-23 2011-07-15 Plaque de cuisson à gaz
EA201291428A EA201291428A1 (ru) 2010-07-23 2011-07-15 Газовая варочная панель

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESP201031145 2010-07-23
ES201031145A ES2407591A1 (es) 2010-07-23 2010-07-23 Encimera de cocción a gas

Publications (1)

Publication Number Publication Date
WO2012011032A1 true WO2012011032A1 (fr) 2012-01-26

Family

ID=44514866

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2011/053162 WO2012011032A1 (fr) 2010-07-23 2011-07-15 Plaque de cuisson à gaz

Country Status (5)

Country Link
EP (1) EP2596291A1 (fr)
CN (1) CN103003635A (fr)
EA (1) EA201291428A1 (fr)
ES (1) ES2407591A1 (fr)
WO (1) WO2012011032A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016051295A1 (fr) * 2014-09-29 2016-04-07 BSH Hausgeräte GmbH Appareil de réglage d'écoulement de gaze de surface de cuisson à gaz, son procédé de fabrication, et surface de cuisson à gaz
EP3354983A1 (fr) * 2017-01-27 2018-08-01 Aga Rangemaster Limited Cuisinière à gaz et procédé d' ajustement à combustibles différents

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107975826B (zh) * 2017-12-01 2023-07-25 广东顾家电器有限公司 一种易于拆洗的智能燃气灶具

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387405A1 (fr) * 1977-04-12 1978-11-10 Borg Warner Soupape de surete
US4168719A (en) * 1976-04-06 1979-09-25 Steel Radiators Limited Gas control unit for a burner
US6164958A (en) * 1999-09-20 2000-12-26 Huang; Tai-Tung Safety system for gas range
WO2009037132A1 (fr) 2007-09-17 2009-03-26 BSH Bosch und Siemens Hausgeräte GmbH Ensemble plaque de cuisson à gaz
KR20090044128A (ko) * 2007-10-31 2009-05-07 동양매직 주식회사 플러그 밸브 조립체
WO2009146730A2 (fr) 2008-05-02 2009-12-10 Coprecitec, S.L. Unité de distribution de gaz pour appareil de cuisson

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2586029Y (zh) * 2002-12-12 2003-11-12 王银祥 燃气瓶安全阀

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168719A (en) * 1976-04-06 1979-09-25 Steel Radiators Limited Gas control unit for a burner
FR2387405A1 (fr) * 1977-04-12 1978-11-10 Borg Warner Soupape de surete
US6164958A (en) * 1999-09-20 2000-12-26 Huang; Tai-Tung Safety system for gas range
WO2009037132A1 (fr) 2007-09-17 2009-03-26 BSH Bosch und Siemens Hausgeräte GmbH Ensemble plaque de cuisson à gaz
KR20090044128A (ko) * 2007-10-31 2009-05-07 동양매직 주식회사 플러그 밸브 조립체
WO2009146730A2 (fr) 2008-05-02 2009-12-10 Coprecitec, S.L. Unité de distribution de gaz pour appareil de cuisson

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016051295A1 (fr) * 2014-09-29 2016-04-07 BSH Hausgeräte GmbH Appareil de réglage d'écoulement de gaze de surface de cuisson à gaz, son procédé de fabrication, et surface de cuisson à gaz
EP3354983A1 (fr) * 2017-01-27 2018-08-01 Aga Rangemaster Limited Cuisinière à gaz et procédé d' ajustement à combustibles différents
GB2559158A (en) * 2017-01-27 2018-08-01 Aga Rangemaster Group Plc A gas cooker and method of conversion
GB2559158B (en) * 2017-01-27 2020-09-30 Aga Rangemaster Group Plc A gas cooker and method of conversion

Also Published As

Publication number Publication date
EA201291428A1 (ru) 2013-07-30
CN103003635A (zh) 2013-03-27
ES2407591A1 (es) 2013-06-13
EP2596291A1 (fr) 2013-05-29

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