EP2840317A1 - Appareil de cuisson au gaz et procédé de fonctionnement d'un appareil de cuisson au gaz - Google Patents

Appareil de cuisson au gaz et procédé de fonctionnement d'un appareil de cuisson au gaz Download PDF

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Publication number
EP2840317A1
EP2840317A1 EP14176577.6A EP14176577A EP2840317A1 EP 2840317 A1 EP2840317 A1 EP 2840317A1 EP 14176577 A EP14176577 A EP 14176577A EP 2840317 A1 EP2840317 A1 EP 2840317A1
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EP
European Patent Office
Prior art keywords
gas
cooking appliance
unit
power
energy
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.)
Withdrawn
Application number
EP14176577.6A
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German (de)
English (en)
Inventor
Ulrich WÄCHTER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau 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 EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Publication of EP2840317A1 publication Critical patent/EP2840317A1/fr
Withdrawn legal-status Critical Current

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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 relates to a gas cooking appliance with a gas unit with gas burner and control device for its control and with a power supply unit with energy storage. Likewise, the invention relates to a method for operating a corresponding gas cooking appliance.
  • a generic gas cooking appliance is from the DE 102009027399 A1 known.
  • the energy storage is used to temporarily take over the power supply of the gas cooking appliance during a power failure.
  • this gas cooking appliance is fundamentally dependent on the fact that, as a rule, the energy is supplied by an external power source, for example a power grid or a generator. Especially in environments with particularly unreliable power supplies, such as camping, can not be reliably ensured by the provision of an energy storage in this gas cooking appliance that a complete cooking process can be completed.
  • a gas appliance or gas cooking appliance has a gas unit with at least one gas burner and an electronic control device for controlling this gas burner and a power supply unit with a rechargeable energy storage and a power supply.
  • the energy store forms an exclusive source or the only direct source of electrical energy for the gas unit.
  • the consumption of electrical energy by the gas unit on the one hand and the supply of electrical energy by the power supply on the other hand can be decoupled.
  • the gas unit is supplied during operation only with energy from the energy storage, which is discharged. In particular, it is possible to charge the energy store with sufficient energy for a complete cooking process. Since such a gas cooking appliance usually is not permanently cooked and typically it is not much more time during the day in operation than in operation, sufficient for charging and a very unreliable power supply, which may have longer interruptions. Such unreliable power supplies, there are, for example, camping or outdoor use. Therefore, the gas cooking appliance according to the invention is also and just for such uses.
  • the gas burner can be designed, for example, for a gas hob or as a corresponding heating device for a gas oven.
  • the gas unit is controlled by the electronic control device typically with respect to the output power.
  • a desired temperature for cooking or baking can be set.
  • the electronic control device may be configured to ensure ignition of escaping gas.
  • the power supply is designed exclusively for charging the energy store.
  • This allows a particularly simple design, it being assumed that a direct supply of the gas unit with electrical energy through the power supply is not necessary. Rather, the necessary for the operation of the gas unit electrical energy is taken exclusively from the energy storage.
  • the power supply has a plurality of inputs, wherein these are further preferably inputs to the gas cooking appliance.
  • the inputs are even more preferably designed for different voltage levels and / or types of voltages and, in turn, are more preferably independent of each other. In this way, it can be achieved that different types of energy sources can be used for charging the energy store, which can be advantageous in particular for mobile operation that involves frequent changes of location.
  • the inputs can be suitable for example for DC and / or AC voltage.
  • DC voltage is also to be understood as voltages with a superimposed AC voltage component whose arithmetic mean represents a DC voltage.
  • AC voltage is to be understood not only sinusoidal, but also sinusoidal or all non-sinusoidal voltage forms.
  • the AC voltage is not limited to a specific frequency, but can take any frequency. In particular, it may be a mains frequency of typically 50 Hz, which prevails in many European power grids.
  • a further input for connecting an electrical system of a camping vehicle and / or an energy generator such as a solar cell or a wind turbine is also advantageous to provide, in addition to an input for connecting a common power network, a further input for connecting an electrical system of a camping vehicle and / or an energy generator such as a solar cell or a wind turbine.
  • the respective inputs can be advantageously adapted to the expected voltage levels and types of voltage, for example by the provision of boosters or buck converters, rectifiers or the like. in gas cooking appliance.
  • At least one input of the voltage supply device is connected to a power source which is selected from the group of: solar cell, plug-in power supply, wind power generator, on-board power, in particular 12V on-board power of a vehicle or trailer, mains voltage, in particular 230V mains voltage, fuel cell or fuel cell operated with Gas, preferably from a gas source, which also supplies the gas cooking appliance with gas, thermogenerator, preferably operated by waste heat of the gas unit, dynamo.
  • a power source which is selected from the group of: solar cell, plug-in power supply, wind power generator, on-board power, in particular 12V on-board power of a vehicle or trailer, mains voltage, in particular 230V mains voltage, fuel cell or fuel cell operated with Gas, preferably from a gas source, which also supplies the gas cooking appliance with gas, thermogenerator, preferably operated by waste heat of the gas unit, dynamo.
  • thermogenerator which can usefully utilize the waste heat of the gas unit or the gas burner that is generated anyway.
  • the electronic control device can have storage means which contain a program code, in the execution of which the electronic control device controls an energy flow during a cooking process in such a way that the gas unit is supplied exclusively with electrical energy from the energy store.
  • This can be advantageous, for example, if the power supply is designed in such a way that it can also supply the gas unit directly with electrical energy without having to remove energy from the energy store.
  • the electronic control device can control the flow of energy, for example by opening and closing relays or other electrical switches. It is thus also possible, for example, to provide two operating modes of a gas cooking appliance. In a first mode of operation, the gas unit is supplied directly with electrical energy through the power supply, for example from a public power grid. In a second operating mode, the gas unit is supplied with electrical energy exclusively from the energy store of the gas cooking appliance.
  • the energy storage can be charged regardless of the time in which energy is consumed exactly when energy is available for charging.
  • the power supply has a maximum power output, which is less than a maximum power consumption of the gas unit. This allows a simple and cost-effective design of the power supply. Due to the operating mode described with an exclusive power supply of the gas unit from the energy storage a higher maximum power output of the power supply is not required.
  • the gas unit further comprises at least one gas valve, wherein more preferably in each case a gas valve is associated with a gas burner and even more preferably a respective gas valve for control by the electronic control device is communicatively connected thereto.
  • the electronic control device can open and close the respective gas valves, as well as possibly control the amount of gas per unit time, which flows through the respective gas valve.
  • a respective gas burner can be switched on and off, wherein its power output can be controlled, for example, to set a desired temperature or power level.
  • the gas unit further comprises at least one flame monitoring device, wherein each preferably a flame monitoring device is associated with a gas burner and more preferably with the electronic control device communicating or signal transmitting connected.
  • a flame monitoring device can, for example, as a camera, as a temperature sensor or the like. be executed. It allows feedback to the electronic control device as to how a flame develops on a particular gas burner and how hot it is.
  • the gas unit further preferably has an operating unit with input means and / or display means.
  • Input means can, for example, knobs, switches, electronic buttons or the like.
  • Display means may be, for example, light-barped displays or visual displays or a display, as well as buzzers such as buzzer or the like.
  • Such an operating unit allows the user to easily and normally set a power of a respective gas burner. For example, various cooking levels or power levels may be provided, which the user may select by means of an input means configured as a rotary knob, the power level being displayed simultaneously by an LCD display. However, the operator panel may also provide feedback to the user about other data or events, such as error messages.
  • the energy store is preferably designed as an accumulator or as a group of several accumulators. This allows a simple design using proven technology.
  • the voltage of the rechargeable battery is preferably converted by a voltage converter and / or an inverter and thus adapted to an operating voltage of the gas unit.
  • the gas cooking appliance may further preferably have a charging electronics, which can be controlled and monitored by a microcontroller, which also takes, for example, a bus communication with other units.
  • a microcontroller which also takes, for example, a bus communication with other units.
  • the microcontroller may be part of a control or regulation of the inverter.
  • the charging electronics may also be formed from one or more integrated electronic components associated with the inputs, which undertake the monitoring and / or control of the charging process, independently of the microcontroller.
  • means for interrupting a circuit of the accumulator downstream electronics are present.
  • a value of the discharge depth of the rechargeable battery can be limited, in particular in order to protect it against damage by deep discharge.
  • the state of charge of the accumulator can be monitored in various ways, which in themselves are known to the person skilled in the art.
  • Information of a charging electronics can be transmitted for example via a bus system to other control components or to an operating unit or to other modules connected to the bus system. Conversely, information from connected to the bus system devices of the charging electronics or other power electronics can be provided.
  • the energy store has a capacity which is sufficient at least for a complete typical cooking process of the gas unit, in particular an approximately one-quarter to one-hour cooking process. This corresponds to a typical operating time of the gas cooking appliance during a cooking process. In many situations, one hour even corresponds to a typical or maximum operating time of the gas cooker per day, so that then almost a full day is available for charging, which should be sufficient even with unreliable power supply in the rule.
  • the energy store is preferably charged with a power which is less than a power necessary for operating the gas unit. But it can also be the same size. Charging is always possible, especially while the gas unit is not in operation. It can also be in operation. This allows the above-described decoupling of energy consumption and extraction of energy from an external to the gas cooking appliance energy source, at the same time corresponding means for charging the energy storage can be performed easily and inexpensively.
  • FIGURE shows a block diagram of a gas cooking appliance according to the invention and schematically a gas cooking appliance according to the invention.
  • the gas cooking appliance has an energy store in the form of a rechargeable battery 1, which is connected via a relay 5 to a voltage converter 2, which in turn is connected to an inverter 3.
  • a relay 5 By means of the relay 5, the flow of current from the accumulator 1 can be interrupted, for example, not to fall below a certain minimum voltage below which threatens damage to the accumulator 1.
  • an electronic switch may also be used, for example a MOSFET, bipolar transistor or the like.
  • the voltage converter 2 and the inverter 3 is supplied from the accumulator 1 DC voltage, which is typically a battery voltage of 1.2 volts to 48 volts, increased and reversed. Thus it can be used as input voltage for other components.
  • a charging electronics 11 For charging the accumulator 1, a charging electronics 11 with a microcontroller 4 and a total of three inputs 10 is provided.
  • the microcontroller 4 monitors the charging process of the accumulator 1 and also a possible discharge of the accumulator 1.
  • different types of voltage sources such as a public power grid, a solar cell or a 12V electrical system of a camping vehicle can be connected.
  • the charging electronics 11 To monitor the state of charge and the charging of the battery 1 is provided that the charging electronics 11, the parameters charge current (I charge ), load current (I load ), battery voltage (U battery ), accumulator temperature (T battery ) and ambient temperature (T U ) determined. Thus, an efficient and gentle charge of the accumulator 1 can be achieved.
  • the accumulator 1, the voltage converter 2, the inverter 3, the charging electronics 11 with the microcontroller 4, the relay 5 or the switch formed thereby and the inputs 10 form a power supply unit of the gas cooking appliance.
  • the accumulator 1 has the function of a rechargeable energy storage.
  • the inputs 10 and the charging electronics 11 together form a power supply.
  • the gas cooking appliance further comprises a gas unit 12.
  • the gas unit 12 has a number of gas burners, which can be controlled by means of a group of gas valves 14 and can be monitored by respective flame monitoring devices 13.
  • the gas unit 12 also has an electronic control device 7 with a bus interface 6, wherein the electronic control device 7 takes over the control of the gas cooking appliance. It is also an operating unit 8 is provided, which is designed for inputting and displaying operating states. The operating unit 8 is connected to the electronic control device 7 via the bus interface 6.
  • the charging electronics 11 and further, not directly relevant modules 9 are connected via the bus interface 6 to the electronic control device 7. This also makes it possible in particular for the charging electronics 11 and the electronic control device 7 to communicate with one another, for example in order to tune charging and discharging operations.
  • the electronic control device 7 controls by appropriate connections, the group of gas valves 14 and receives via the flame monitoring devices 13 corresponding feedback on the operating state of the gas burner.
  • the electronic control device 7 and thus also the operating unit 8 and all other connected components are supplied by the inverter 3 with power, which in turn relates its energy from the voltage converter 2 and thus ultimately from the accumulator 1.
  • the accumulator 1 is the only source of electrical energy. It is not necessary for a source of energy connected to one of the inputs 10 to supply the full power for operating the gas cooking appliance. Rather, even during operation of the gas cooking appliance, a power failure or a power failure from the outside occur, which does not interfere with the operation or a typical cooking process.
  • the capacity of the accumulator 1 is sufficient for a typical cooking process, for example one hour. If the power source is reconnected, it can be used to recharge the rechargeable battery 1.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)
  • Regulation And Control Of Combustion (AREA)
EP14176577.6A 2013-07-16 2014-07-10 Appareil de cuisson au gaz et procédé de fonctionnement d'un appareil de cuisson au gaz Withdrawn EP2840317A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201310213953 DE102013213953A1 (de) 2013-07-16 2013-07-16 Gaskochgerät und Verfahren zum Betrieb eines Gaskochgeräts

Publications (1)

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EP2840317A1 true EP2840317A1 (fr) 2015-02-25

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EP14176577.6A Withdrawn EP2840317A1 (fr) 2013-07-16 2014-07-10 Appareil de cuisson au gaz et procédé de fonctionnement d'un appareil de cuisson au gaz

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EP (1) EP2840317A1 (fr)
DE (1) DE102013213953A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3102881A2 (fr) * 2014-02-03 2016-12-14 BSH Hausgeräte GmbH Ensemble foyer gaz, plan de cuisson et cuisinière
CN113757733A (zh) * 2021-08-19 2021-12-07 宁波方太厨具有限公司 燃气灶的控制方法及系统

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07180842A (ja) * 1993-12-24 1995-07-18 Tokyo Gas Co Ltd ガス機器
DE20021024U1 (de) * 2000-12-12 2001-03-29 RATIONAL AG, 86899 Landsberg Gasgerät zur thermischen Gargutzubereitung
WO2006116849A1 (fr) * 2005-05-02 2006-11-09 Cropley Holdings Ltd. Procede et appareil de cuisson avec un gaz combustible obtenu au moyen d'un electrolyseur
JP2008008536A (ja) * 2006-06-28 2008-01-17 Rinnai Corp ガスコンロ
JP2008249197A (ja) * 2007-03-29 2008-10-16 Osaka Gas Co Ltd ガス機器
DE102009027399A1 (de) 2009-07-01 2011-01-05 BSH Bosch und Siemens Hausgeräte GmbH Gaskochgerät mit einem elektrischen Energiespeicher
EP2444741A2 (fr) * 2010-10-25 2012-04-25 E.G.O. Elektro-Gerätebau GmbH Four de cuisson au gaz
EP2444726A2 (fr) * 2010-10-25 2012-04-25 E.G.O. Elektro-Gerätebau GmbH Brûleur à gaz pour un champ de cuisson au gaz et champ de cuisson au gaz ainsi que procédé destiné au fonctionnement d'un tel champ de cuisson au gaz

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19752472A1 (de) * 1997-11-27 1999-06-02 Miele & Cie Anordnung und Verfahren zum Steuern einer Heizvorrichtung für Gaskochmulden
DE102005012002A1 (de) * 2005-03-16 2006-10-12 Diehl Ako Stiftung & Co. Kg Elektronische Steuerung eines Gasherdes
DE102007058945A1 (de) * 2007-12-07 2009-06-10 BSH Bosch und Siemens Hausgeräte GmbH Kochstelle und Verfahren zur Temperaturregelung der Kochstelle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07180842A (ja) * 1993-12-24 1995-07-18 Tokyo Gas Co Ltd ガス機器
DE20021024U1 (de) * 2000-12-12 2001-03-29 RATIONAL AG, 86899 Landsberg Gasgerät zur thermischen Gargutzubereitung
WO2006116849A1 (fr) * 2005-05-02 2006-11-09 Cropley Holdings Ltd. Procede et appareil de cuisson avec un gaz combustible obtenu au moyen d'un electrolyseur
JP2008008536A (ja) * 2006-06-28 2008-01-17 Rinnai Corp ガスコンロ
JP2008249197A (ja) * 2007-03-29 2008-10-16 Osaka Gas Co Ltd ガス機器
DE102009027399A1 (de) 2009-07-01 2011-01-05 BSH Bosch und Siemens Hausgeräte GmbH Gaskochgerät mit einem elektrischen Energiespeicher
EP2444741A2 (fr) * 2010-10-25 2012-04-25 E.G.O. Elektro-Gerätebau GmbH Four de cuisson au gaz
EP2444726A2 (fr) * 2010-10-25 2012-04-25 E.G.O. Elektro-Gerätebau GmbH Brûleur à gaz pour un champ de cuisson au gaz et champ de cuisson au gaz ainsi que procédé destiné au fonctionnement d'un tel champ de cuisson au gaz

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3102881A2 (fr) * 2014-02-03 2016-12-14 BSH Hausgeräte GmbH Ensemble foyer gaz, plan de cuisson et cuisinière
CN113757733A (zh) * 2021-08-19 2021-12-07 宁波方太厨具有限公司 燃气灶的控制方法及系统

Also Published As

Publication number Publication date
DE102013213953A1 (de) 2015-01-22

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