EP1847780B1 - Four de cuisson domestique - Google Patents

Four de cuisson domestique Download PDF

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Publication number
EP1847780B1
EP1847780B1 EP07106356A EP07106356A EP1847780B1 EP 1847780 B1 EP1847780 B1 EP 1847780B1 EP 07106356 A EP07106356 A EP 07106356A EP 07106356 A EP07106356 A EP 07106356A EP 1847780 B1 EP1847780 B1 EP 1847780B1
Authority
EP
European Patent Office
Prior art keywords
gas
cooking oven
electronic
gas burner
controlling device
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
EP07106356A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1847780A1 (fr
Inventor
Jean-Pierre Carmes
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.)
FagorBrandt SAS
Original Assignee
FagorBrandt SAS
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 FagorBrandt SAS filed Critical FagorBrandt SAS
Priority to PL07106356T priority Critical patent/PL1847780T3/pl
Publication of EP1847780A1 publication Critical patent/EP1847780A1/fr
Application granted granted Critical
Publication of EP1847780B1 publication Critical patent/EP1847780B1/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
    • F24C1/00—Stoves or ranges in which the fuel or energy supply is not restricted to solid fuel or to a type covered by a single one of the following groups F24C3/00 - F24C9/00; Stoves or ranges in which the type of fuel or energy supply is not specified
    • F24C1/02—Stoves or ranges in which the fuel or energy supply is not restricted to solid fuel or to a type covered by a single one of the following groups F24C3/00 - F24C9/00; Stoves or ranges in which the type of fuel or energy supply is not specified adapted for the use of two or more kinds of fuel or energy supply
    • F24C1/04—Stoves or ranges in which the fuel or energy supply is not restricted to solid fuel or to a type covered by a single one of the following groups F24C3/00 - F24C9/00; Stoves or ranges in which the type of fuel or energy supply is not specified adapted for the use of two or more kinds of fuel or energy supply simultaneously
    • 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
    • F24C3/128—Arrangement or mounting of control or safety devices on ranges in baking ovens

Definitions

  • the present invention relates to a cooking oven, and preferably a domestic cooking oven.
  • the present invention relates to the operation of a domestic cooking oven during a cooking sequence and also during a pyrolytic cleaning mode.
  • a known domestic cooking oven can be supplied with electrical energy.
  • This electric domestic cooking oven comprises a muffle, one or more electric heating elements being adapted to heat the air contained in the muffle.
  • An electric household cooking oven may also include an electronic power board for managing the power supply of the electric heating elements.
  • the electronic power card is controlled by control devices arranged on a control panel. These control members may be, for example, electromechanical switches and / or electronic switches.
  • a domestic gas cooking oven comprises a muffle, one or more gas burners being adapted to heat the air contained in the muffle.
  • These burners are generally arranged under the bottom wall or the top wall of the muffle.
  • the temperature of the air contained in the muffle is generally regulated by a thermostat controlling a gas flow control valve supplying the gas burner. This valve makes it possible to increase or decrease the gas flow supplying the gas burner by constantly being lit.
  • the present invention aims to provide a domestic cooking oven for controlling at least one gas burner and at least one electric heating element from common electrical control means.
  • a portion of the control means are identical for an electric domestic cooking oven and a domestic gas cooking oven.
  • the control panels of domestic electric and gas cooking ovens are structurally identical.
  • the electromechanical and / or electronic control means can be used on domestic gas and electric cooking ovens. While the control means known to those skilled in the art realizing the design of ovens domestic gas cookers do not allow to transpose them from a domestic gas cooking oven to an electric household cooking oven. Traditional control means used in domestic gas cooking ovens are specifically designed to supply gas heating means.
  • the present invention is directed to a domestic cooking oven comprising a cooking chamber, an electric control assembly consisting of a control interface and an electronic power control device, said control interface comprising means for electromechanical and / or electronic control.
  • the electronic power control device controls, by switching means, at least one electric heating element and an electronic control device for managing the supply of gas to at least one gas burner adapted to heat the gas. cooking chamber.
  • the electric control assembly is common to electric household cooking ovens and domestic gas cooking ovens.
  • the components required for this electrical control assembly are standardized and purchased by the manufacturer on a larger scale to reduce the cost of obtaining an oven according to the invention.
  • the manufacturer of domestic cooking oven has the ability to easily design cooking ovens with or without a gas supply module consisting of members for supplying gas to at least one gas burner.
  • the gas supply module can easily be replaced by at least one electric heating element when designing a domestic cooking oven without having to modify the structure of said oven.
  • Said at least one heating element connects to the electronic power control device in place of the electronic control device for managing the gas supply.
  • the gas supply module is replaceable by at least one electric heating element since the temperature regulation of the cooking chamber is identical for a domestic cooking oven comprising at least one gas burner or electric heating elements.
  • the electric control assembly can be used to control either an electric cooking oven or a gas cooking oven.
  • the electronic power control device is implanted on a first electronic card and the electronic control device for managing the gas supply is implanted on a second electronic card.
  • the first electronic board of the electronic power control device is identical for the cooking ovens domestic electric and domestic gas cooking ovens.
  • Said two electronic cards may form a single entity according to another embodiment of the invention.
  • the switching means of the electronic power control device are electrical relays. These electrical relays are located on an electronic power board.
  • the control means of the control interface are connected only to the electronic power control device.
  • the electronic control device for managing the gas supply is connected only to the electronic power control device.
  • No control means of the electrical control assembly controls a member of the gas supply module.
  • the gas supply module is fully controlled by the electronic control device for gas supply management.
  • the electronic control device for managing the gas supply controls at least two gas supply solenoid valves of the at least one gas burner, said at least two solenoid valves being connected in series and upstream of said at least one gas burner. on a gas supply line.
  • a first solenoid valve is a safety means for supplying gas to the at least one gas burner. Said first solenoid valve is constantly open during an operating cycle and is closed upon detection of a malfunction of the domestic cooking oven.
  • a second solenoid valve is a means for regulating the temperature of the oven cooking chamber.
  • the electronic control device for managing the gas supply controls at least one incandescent ignition means of the at least one gas burner.
  • the at least one gas burner may be automatically ignited by the incandescent ignition means disposed proximate to the at least one burner.
  • Said incandescent element allows ignition of the gas by a rise in temperature in a range between 1300 ° C and 1500 ° C.
  • an ionization electrode is adapted to detect the presence of flames in said at least one burner.
  • the ionization electrode is directly connected to the electronic control device for managing the gas supply.
  • the electronic control device for managing the gas supply is adapted to open and close at least one solenoid valve so as to supply all or nothing said at least one gas burner.
  • the heating of the air contained in the muffle is regulated by putting into operation and stopping at least one gas burner and not by a change in gas flow rate supplying said at least one gas burner.
  • the rise in temperature in the cooking chamber is no longer prohibited in the range between 35 ° C and 150 ° C. It can indeed vary easily in this temperature range by simply changing the firing times of the at least one gas burner.
  • the temperature regulation of the cooking chamber is between 35 ° C and 300 ° C in the cooking mode of said oven.
  • the temperature regulation of the cooking chamber is between 450 ° C and 510 ° C in the pyrolytic cleaning mode of said oven.
  • a temperature sensor is connected directly to the electronic power control device to implement the temperature control of the at least one electric heating element and the at least one gas burner.
  • This temperature probe is disposed in the cooking chamber.
  • the electronic power control device is adapted to regulate the temperature of the cooking chamber according to a set temperature by an on / off mode of operation. This operating mode allows the opening and closing of the relays of the electronic power control device to regulate the temperature of the cooking chamber according to the set temperature.
  • the electronic control device for managing the gas supply is a slave of the electronic power control device.
  • control means of a domestic gas cooking oven are identical to those mounted in domestic electric cooking ovens and in this way to achieve economies of scale for the appliance manufacturer.
  • control strips can be almost similar in order to use common part numbers for domestic gas cooking ovens and electric household cooking ovens.
  • said at least one electric heating element of the domestic cooking oven is a grill element mounted in the cooking chamber.
  • the grill element is an electric grill
  • the electronic power control device being adapted to turn on or off the grill element so as to regulate the temperature of the cooking chamber according to a set temperature
  • said at least one gas burner and the grill element being controlled simultaneously by said electronic power control device and the electronic control device for managing the gas supply.
  • the electronic power control device controls at least one switching means to turn on and off said at least one electric heating element.
  • the electronic power control device controls at least one switching means of the electrical power supply of said at least one electric heating element.
  • Said switching means of the electronic power control device is in series with at least one switching means of the electronic control device for managing the supply of gas for supplying and extinguishing said at least one electric heating element.
  • Said at least one switching means of the electronic power control device is upstream of said at least one switching means of the electronic control device for managing the gas supply.
  • a domestic cooking appliance 1 according to the invention.
  • This domestic cooking appliance 1 is such that a range comprising a domestic cooking oven.
  • the domestic cooking oven 1 may also be intended to be integrated into a built-in cabinet.
  • This oven 1 comprises a muffle 2 for receiving the food to be cooked.
  • the front face 3 of the muffle 2 is closed by a door 4, and comprises an upper wall 5, side walls 6, a bottom wall 7 and a bottom wall 8.
  • Said furnace 1 also comprises at least one heating means 9 disposed under the bottom wall 8 of said muffle 2.
  • the muffle 2 could also include several burners 9 below the bottom wall 8 of the muffle 2.
  • the muffle 2 also comprises in this embodiment an electric heating element 10 supplied in all or nothing disposed under the upper wall 5 of the muffle 2.
  • This heating element 10 makes it possible to raise the muffle temperature 2 more quickly in cooking mode.
  • This electric heating element 10 makes it possible to assign a grill function to this cooking oven 1.
  • the domestic cooking oven 1 comprises control means 15 adapted to turn on and off the gas burner 9 and the electric heating element 10 so as to regulate the temperature of the air contained in the muffle 2 as a function of a temperature. deposit.
  • the domestic cooking oven 1 comprises a cooking chamber 2, an electrical control assembly 16 consisting of a control interface 17 and an electronic power control device 18.
  • the electrical control unit 16 is connected in known manner to an electricity source 11 outside the domestic cooking oven 1.
  • Said control interface 17 comprises electromechanical and / or electronic control means 19.
  • the electronic power control device 18 controls by switching means 20 at least one electric heating element 10 and an electronic control device for managing the gas supply 21 of at least one gas burner 9 adapted to heat the gas. cooking chamber 2.
  • the electrical control assembly 17 can be used to control either an electric cooking oven or a gas cooking oven.
  • the electronic control device for managing the gas supply 21 is slave to the electronic power control device 18.
  • the switching means 20 of the electronic power control device 18 are electrical relays.
  • the control means 19 of the control interface 17 are connected only to the electronic power control device 18.
  • the control means 19 of the control interface 17 electrically control the electronic power control device 18.
  • the control means 19 of the control interface 17 can not directly control at least one component of the power supply module. 22.
  • the electrical control assembly 16 does not include any component for supplying gas to the at least one gas burner 9.
  • the control means 19 of the control interface 17 do not include, for example, a tap.
  • the electronic control device for managing the gas supply 21 is connected only to the electronic power control device 18.
  • the control of the members included in the gas supply module 22 are controlled solely by the link connecting the electronic control device for managing the gas supply 21 with the electronic control device 18.
  • the electronic control device for managing the gas supply 21 controls at least two solenoid valves 23 for supplying gas to the at least one gas burner 9, said at least two solenoid valves 23 being connected in series and upstream of said at least two a gas burner 9 on a gas supply pipe 24.
  • the electronic control device for managing the gas supply 21 is adapted to open and close at least one solenoid valve 23 so as to supply all or nothing said at least one gas burner 9.
  • a first solenoid valve 23 is a safety means for supplying gas to the at least one gas burner 9. Said first solenoid valve 23 is constantly open during an operating cycle and is closed as soon as a malfunction of the cooking oven is detected. domestic 1.
  • a second solenoid valve 23 is a means for regulating the temperature of the cooking chamber 2 of the oven 1.
  • the control means of the at least two solenoid valves 23 are integrated in the electronic control device for managing the gas supply 21.
  • This electronic control device for managing the gas supply 21 is an electronic card adapted to electronically control opening and closing said at least two solenoid valves 23.
  • the electronic control device for managing the gas supply 21 controls at least one incandescent ignition means 25 of the at least one gas burner 9.
  • Said at least one incandescent ignition means 25 is electric and disposed near the at least one gas burner 9. This electric ignition means 25 is adapted to ignite said at least one gas burner 9 when it is powered in gas.
  • the ignition of the gas is carried out by the rising incandescent element at a temperature of between 1300 ° C. and 1500 ° C. Said incandescent element is fed directly by the electronic control device for managing the gas supply 21.
  • the cooking chamber 2 comprises a temperature probe 26 connected directly to the electronic power control device 18 to implement the temperature regulation of the at least one electric heating element 10 and the at least one gas burner 9.
  • the temperature sensor 26 is adapted to continuously measure the average temperature in the cooking chamber 2.
  • Said temperature sensor 26 makes it possible, among other things, to regulate the temperature in the cooking chamber 2 as a function of the actual temperature measured at the temperature probe 26 and a predetermined set temperature.
  • the gas supply module 22 of the domestic cooking oven 1 will now be described.
  • This gas supply module 22 comprises a gas supply pipe 24 which is connected in known manner to a source of gas 12 outside the domestic cooking oven 1.
  • this gas supply pipe 24 At the inlet of this gas supply pipe 24 is mounted at least two solenoid valves 23. Said at least two solenoid valves 23 open or close the gas supply of the supply line 24 from electrical information emitted by the electronic control device for managing the gas supply 21.
  • said at least two solenoid valves 23 have an open position and a closed position. In the open position, the flow rate of gas entering the gas supply pipe 24 is constant.
  • Said at least two solenoid valves 23 are connected in series by said gas supply pipe 24.
  • Said first solenoid valve 23 is mounted upstream of said second solenoid valve 23 on the gas supply pipe 24.
  • the first solenoid valve 23 having a safety function makes it possible to cut off the gas supply the most upstream.
  • Said at least two solenoid valves 23 are mounted upstream of the at least one gas burner 9 on the gas supply pipe 24.
  • Said at least two solenoid valves 23 comprise opening and closing means for supplying said at least one gas burner 9 in all or nothing.
  • said at least two solenoid valves 23 are controlled by the electronic control device for managing the gas supply 21.
  • Said electronic control device for managing the gas supply 21 is adapted to electrically control the opening and the closing said at least two solenoid valves 23.
  • a traditional regulation of an electric household cooking oven temperature can be implemented from the temperature measured by the temperature sensor 26 and a predetermined set temperature.
  • the temperature regulation of the cooking chamber 2 is between 35 ° C. and 300 ° C in the cooking mode of said oven 1.
  • the temperature regulation of the cooking chamber 2 is between 450 ° C and 510 ° C in the pyrolytic cleaning mode of said oven 1.
  • Maintaining the required setpoint temperature in the cooking chamber 2 is then implemented by the opening and closing alternative of at least one solenoid valve 23, thus allowing the on-off supply of the at least one burner gas 9.
  • Said at least one gas burner 9 may have a power of the order of 2500W.
  • said at least two solenoid valves 23 When said at least two solenoid valves 23 are open, said at least one gas burner 9 is at full power.
  • the flow rate of gas introduced into the gas supply pipe 24 is at the maximum.
  • the presence of the ignition of the at least one incandescent ignition means 25 allows the automatic ignition of the at least one gas burner 9 and at full power.
  • the temperature inside the cooking chamber 2 can be maintained around the set temperature.
  • said at least one control solenoid valve 23 when the temperature in the cooking chamber 2 is greater than the set temperature, said at least one control solenoid valve 23 is closed. When the difference between the temperature in the cooking chamber 2 and the target temperature reaches a predetermined threshold value lower than said set temperature, said at least one control solenoid valve 23 is open to allow the temperature rise of the enclosure cooking 2.
  • an ionization electrode 27 is adapted to detect the presence of flame at the level of the at least one gas burner 9 Said ionization electrode 27 is connected to ionization signal management means integrated into the electronic control device for managing the gas supply 21.
  • said at least one incandescent ignition means 25 is placed at a distance from an ionization electrode 27.
  • the ionization electrode 27 is located at a first end of said at least one gas burner 9 and said at least one incandescent ignition means 25 is located at a second end of the at least one gas burner 9.
  • the first end of said at least one gas burner 9 corresponds to an area located near the first flame, in the firing order, of said at least one gas burner 9 and the second end to a zone located near the last flame, in the order of ignition, of the at least one gas burner 9.
  • said at least one incandescent ignition means 25 is placed near the first flame of the flame path (not shown) of the at least one gas burner 9 and an ionization electrode 27 near the last flame of said flame path of said at least one gas burner 9.
  • Said at least one gas burner 9 comprises a flame path where openings are provided in an internal gas supply ramp allowing the passage of the ignited gas. Said openings of the flame path are provided along the at least one gas burner 9 and where the heat must be diffused in the cooking chamber 2.
  • the internal gas supply ramp of said at least one gas burner 9 of a domestic cooking oven 1 is generally U-shaped.
  • the first flame of the flame path is disposed at one end of the internal supply ramp U-shaped gas of said at least one gas burner 9 and the last flame of the flame path at another end of the U-shaped gas supply inner ramp of said at least one gas burner 9.
  • Said ionization electrode 27 and said at least one incandescent ignition means 25 are situated opposite on the internal gas supply ramp of the at least one gas burner 9.
  • Said at least one incandescent ignition means 25 is placed at the beginning of the internal gas supply ramp of the at least one gas burner 9 and the ionisation electrode 27 at the end of said internal supply ramp. gas of said at least one gas burner 9.
  • the complete ignition of the at least one gas burner 9 is ensured. If a partial or complete ignition failure occurs on said at least one gas burner 9, the ionization electrode 27 detects the non-presence of flame and the signal of said ionization electrode 27 is transmitted to the electronic control device for controlling the gas supply 21 for shutting off the supply of gas to the at least one gas burner 9.
  • the grill element 10 When selecting a combined cooking mode, the grill element 10 is also operated.
  • a grill element 10 is mounted in the cooking chamber 2.
  • the grill element 10 is an electric grill, the electronic power control device 18 being adapted to turn on or off the grill element 10 so as to regulate the temperature of the cooking chamber 2 according to a temperature setpoint, and said at least one gas burner 9 and the grill element 10 being controlled simultaneously by said electronic control device 18.
  • the operation of the grill element 10 in all or nothing is also managed by the electronic power control device 18 and the control means 19 of the control interface 17 may include means for selecting the cooking modes and means for selecting a set temperature.
  • the electric grill element 10 may comprise two heating resistors making it possible to obtain powers of the order of 1800W with a single heating resistor and 2600W by simultaneously supplying the two heating resistors.
  • a domestic cooking oven according to the invention makes it possible to standardize the control members of an electric cooking oven and a gas cooking oven.
  • the structure of the electric cooking oven and the gas cooking oven may be identical.
  • the domestic cooking oven manufacturer reduces the cost of obtaining a cooking oven according to the invention.
  • the gas supply module is replaceable by an electric heating element to easily convert a gas cooking oven into an electric cooking oven.
  • the heating elements of the gas and electric type are thus considered as interchangeable modules.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)
  • Electric Stoves And Ranges (AREA)
  • Electric Ovens (AREA)
  • Cookers (AREA)
  • Constitution Of High-Frequency Heating (AREA)
EP07106356A 2006-04-18 2007-04-17 Four de cuisson domestique Active EP1847780B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07106356T PL1847780T3 (pl) 2006-04-18 2007-04-17 Piekarnik domowy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0603754A FR2899957B1 (fr) 2006-04-18 2006-04-18 Four de cuisson domestique

Publications (2)

Publication Number Publication Date
EP1847780A1 EP1847780A1 (fr) 2007-10-24
EP1847780B1 true EP1847780B1 (fr) 2009-10-28

Family

ID=37709604

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07106356A Active EP1847780B1 (fr) 2006-04-18 2007-04-17 Four de cuisson domestique

Country Status (6)

Country Link
EP (1) EP1847780B1 (pl)
AT (1) ATE447142T1 (pl)
DE (1) DE602007002939D1 (pl)
ES (1) ES2335442T3 (pl)
FR (1) FR2899957B1 (pl)
PL (1) PL1847780T3 (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11454399B2 (en) 2020-11-18 2022-09-27 Haier Us Appliance Solutions, Inc. Bake algorithm for gas oven with electric bake element

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2545928B1 (es) * 2014-03-14 2016-06-29 Coprecitec, S.L. Método de implementación de un aparato electrodoméstico de cocción a gas y aparato electrodoméstico de cocción a gas que implementa dicho método
CN106152767B (zh) * 2016-08-05 2020-01-31 广州市东霸节能科技有限公司 一种点火针自干燥方法及装置
CN106705146A (zh) * 2017-01-16 2017-05-24 胡小庆 一种可智能切换加热方式的电加热炉具

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1009670A (fr) * 1948-06-15 1952-06-03 Liotard Metallurg Perfectionnement aux cuisinières à gaz
US6030205A (en) * 1995-08-18 2000-02-29 General Electric Company Gas oven control
CA2218968A1 (en) * 1995-08-18 1999-04-17 James Rollins Maughan Gas oven fuel control with proof of ignition
FR2758385B1 (fr) * 1997-01-10 1999-04-02 Eurofours Sa Four bi-energie fonctionnant au gaz ou au fioul et a l'electricite et procede de chauffage de l'enceinte d'un tel four
US6943324B2 (en) * 2003-04-10 2005-09-13 Maytag Corporation Combination heating system for a cooking appliance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11454399B2 (en) 2020-11-18 2022-09-27 Haier Us Appliance Solutions, Inc. Bake algorithm for gas oven with electric bake element

Also Published As

Publication number Publication date
ES2335442T3 (es) 2010-03-26
EP1847780A1 (fr) 2007-10-24
ATE447142T1 (de) 2009-11-15
PL1847780T3 (pl) 2010-03-31
FR2899957A1 (fr) 2007-10-19
DE602007002939D1 (de) 2009-12-10
FR2899957B1 (fr) 2008-06-13

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