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WO2023121577A1 - Four doté d'élément chauffant - Google Patents

Four doté d'élément chauffant Download PDF

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Publication number
WO2023121577A1
WO2023121577A1 PCT/TR2021/051491 TR2021051491W WO2023121577A1 WO 2023121577 A1 WO2023121577 A1 WO 2023121577A1 TR 2021051491 W TR2021051491 W TR 2021051491W WO 2023121577 A1 WO2023121577 A1 WO 2023121577A1
Authority
WO
WIPO (PCT)
Prior art keywords
heating element
heating
power
state
oven
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.)
Ceased
Application number
PCT/TR2021/051491
Other languages
English (en)
Inventor
Fatih ZUNGOR
Metin OZTURK
Gozde SIMSEK
Ebru GEZGIN SARIGUZEL
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.)
Mamur Teknoloji Sistemleri Sanayi AS
Original Assignee
Mamur Teknoloji Sistemleri Sanayi AS
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 Mamur Teknoloji Sistemleri Sanayi AS filed Critical Mamur Teknoloji Sistemleri Sanayi AS
Priority to PCT/TR2021/051491 priority Critical patent/WO2023121577A1/fr
Publication of WO2023121577A1 publication Critical patent/WO2023121577A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • F24C7/085—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on baking ovens
    • 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
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/087—Arrangement or mounting of control or safety devices of electric circuits regulating heat

Definitions

  • the invention relates to an oven with heating element connected in such a way that the power limitation is reduced.
  • the heating element can be a turbo heating element, which can be located on the bottom wall of the cooking chamber and on the upper wall of the chamber. All of these heating elements can be found in the cooking chamber in the literature.
  • the heating elements are connected in parallel to each other. Therefore, the user can select the type of cooking they desire to rotate the knob on the oven. For example, a user can activate the upper heating element to cook the top of the food better. In ovens with this type of feature, the heating elements can exceed their power limit. Ovens are being developed to prevent power overload and reduce power limit values.
  • EP3765793A1 relates to power control systems and methods.
  • the invention therein describes a power control system and method where phase control of the parallel-connected heaters in the cooking chamber allows the detection and modification of the current level.
  • the power control systems and methods include a power control logic configured to selectively apply electrical power obtained from an external source to a large number of heating elements to implement a heating algorithm.
  • the power control logic is configured to measure the electrical power provided to multiple heating elements, estimate an amount of electrical power required to activate one or more of the heating elements, and monitor power usage for each. The next heating element to be activated is determined based on the number of heating elements, monitored power usage, and the heating algorithm.
  • the system may include a voltage sensing network to detect electrical power obtained from an external source and a high-power current sensing resistor to detect current flow along a circuit path that supplies power to multiple heating elements.
  • the object of the invention is to develop an oven in which the power limit is reduced by providing power control by electrically connecting the heating elements in the muffle in series or parallel in built-in ovens.
  • the invention includes an oven comprising a housing; a cooking chamber in a cavity provided on a front wall of the housing where cooking is performed; a first heating element, a second heating element, and a third heating element that are electrically connected to each other and are connected to a power grid at the walls of the cooking chamber to perform the cooking.
  • the oven has a power limit is arranged such that in a first state where at least two heating elements are connected in series to each other in a manner suitable for a predetermined power value, or a second state where at least two heating elements are connected in parallel to each other. In this way, the power limitation of the heating elements that provide heating in the cooking chamber is reduced.
  • each heating element has resistant that are mounted on the corresponding walls of the cooking chamber.
  • the first heating element, the second heating element and the third heating element are connected in series with each other.
  • an oven with the desired heating state can be provided.
  • the amount of current passing over the heating elements is reduced.
  • the power consumption of the heating elements can be reduced. With this power reduction, a configuration can be achieved where the oven provides low-cost heating.”
  • the second heating element and the third heating element are connected in series with each other. In this way, the amount of current passing over the second and third heating elements is reduced. As a result, by increasing the amount of current passing through the cooking elements, both power efficiency and heating efficiency are achieved.
  • the first heating element and the third heating element are connected in series with each other. In this way, the amount of current passing over the first and third heating elements is reduced. In this case, a configuration is obtained in which the oven with power reduction is such that it provides economical heating.
  • the second heating element and the third heating element are connected in parallel to each other. In this way, the net resistance value provided by the parallel connection of the second and third heating elements is reduced and the amount of current passing over them is increased. In this case, it is desired to reduce the power drawn by the heating element on the side wall of the cooking chamber and to provide cooking efficiency with the heating provided by the other cooking elements of a cooked food.
  • the first heating element in the first state, is connected in parallel. In this way, both power efficiency and heating efficiency are provided by increasing the amount of current passing over the cooking elements.
  • the second heating element is connected in parallel in the first state. In this way, both power efficiency and heating efficiency are provided by increasing the amount of current passing over the cooking elements.
  • the first heating element in the second state, is connected in series. In this way, both power efficiency and heating efficiency are provided by reducing the amount of current drawn by the increasing cooking elements in the second state.
  • the first heating element is adjusted to include a predetermined first resistance value.
  • the first heating element where the heating values are in accordance with the determined standards, can be connected to provide power efficiency and heating efficiency.
  • the second heating element is adjusted to include a predetermined second resistance value.
  • the second heating element where the heating values are in accordance with the determined standards, can be connected to provide power efficiency and heating efficiency.
  • the third heating element is adjusted to include a predetermined third resistance value.
  • the third heating element where the heating values are in accordance with the determined standards, can be connected to provide power efficiency and heating efficiency.
  • a preferred embodiment of the invention is such that the first heating element is a turbo heating element on one side wall of the cooking chamber. In this way, the first heating element provides a turbo heating for heating the food cooked in the cooking chamber and performs the heating in a power efficient manner according to the specified connection configurations.
  • a preferred embodiment of the invention is such that the second heating element is a lower heating element on a lower wall of the cooking chamber.
  • the second heating element provides a bottom heating element for heating the food cooked in the cooking chamber and performs the heating in a power efficient manner according to the determined connection configurations.
  • a preferred embodiment of the invention is such that the third heating element is an upper heating element on an upper wall of the cooking chamber.
  • the third heating element provides a top heating for heating the food cooked in the cooking chamber and performs the heating in a power efficient manner according to the determined connection configurations.
  • Figure 1 is a front perspective view of an oven that is the subject of the invention.
  • Figure 2 is a schematic illustration of a cooking chamber for an oven of the invention.
  • Figure 3 is a schematic illustration of a first configuration in which the heating elements in the cooking chamber of an oven of the invention are connected in a first state.
  • Figure 4 is a schematic illustration of the connections of the heating elements in the cooking chamber of an oven of the invention in a second state.
  • Figure 5 is a schematic illustration of a second configuration in which the heating elements in the cooking chamber of an oven of the invention are connected in a first state.
  • Figure 6 is a schematic illustration of a third configuration in which the heating elements in the cooking chamber of an oven of the invention are connected in a first state.
  • FIG 1 an oven which is the subject of the invention is shown from the front perspective.
  • a cooking chamber for an oven that is the subject of the invention is shown schematically.
  • the oven that is the subject of the invention especially in a built-in oven (10) used in homes, provides heating efficiency during cooking, thus reducing the power drawn, that is, the power limitation.
  • the oven (10) is a casing (12) that surrounds it and keeps it together.
  • the housing (12) has the skin thickness and height according to the oven (10) standards in the literature.
  • heating elements (18) (20) (22) are connected on the free side walls of the cooking chamber (14) in order for the cooking process to take place. Heating elements (18) (20) (22) are connected on different walls for cooking.
  • a first heating element (18) is preferably connected to a rear wall of the cooking chamber (14) in the oven (10). Thus, with the heating provided from the back wall of the food to be cooked, it is possible to heat the food from the side.
  • the first heating element (18) is a turbo heating element.
  • a second heating element (20) is preferably connected in the oven (10) on a lower wall of the cooking chamber (14).
  • the second heating element (18) is a sub-grid.
  • a third heating element (22) is preferably connected to an upper wall of the cooking chamber (14) in the oven (10).
  • the third heating element (18) is an upper heating element.
  • the cooking elements are connected to each other and operated simultaneously, and cooking can be done in a way that ensures power efficiency in the cooking process.
  • Figure 3 shows schematically a first configuration of the heating elements in the cooking chamber of an oven of the invention, in which connections in a first state are provided.
  • Figure 4 the connections of the heating elements in the cooking chamber of an oven of the invention in a second state are shown schematically.
  • Figure 5 schematically shows a second configuration of the heating elements in the cooking chamber of an oven of the invention, in which connections in a first state are provided.
  • Figure 6 schematically shows a third configuration in which the heating elements in the cooking chamber of an oven of the invention are connected in a first state. It is desired that the power consumed by the heating elements (18) (20) (22) can be reduced by reducing the current flowing over the heating elements (18) (20) (22) in the cooking chamber (14), and the oven (10) provided by reducing the power is desired to provide economical heating.
  • the first heating element (18), the second heating element (20) and the third heating element (22) are connected in series to each other for a first state (24) in connection with being fed from a mains voltage (16) and by increasing the net resistance value, the amount of current drawn is reduced.
  • the mains voltage (16) is an alternating voltage provider and becomes 230 VAC.
  • heating efficiency can also be achieved by the simultaneous activation of the heating elements (18) (20) (22).
  • the first heating element 18 is configured as a turbo heating element and has a first resistance value 28 of 29 Q (Ohm).
  • the maximum power value (34) provided by the first heating element (18) can be 1800 W (watt) in the literature.
  • the second heating element (20) is configured as a sub-grid and has a second resistance value (30) of 48 Q (Ohm).
  • the maximum power value (34) provided by the second heating element (20) can be 1100 W (watt) in the literature.
  • approximately 1.89 A (ampere) current flows over the 48 Q (Ohm) resistor (30), and 172 W (watts) (34) power is provided.
  • the third heating element (22) is configured as an upper heating element and has a third resistance value (32) of 44 Q (Ohm).
  • the maximum power value 34 provided by the third heating element 22 can be 1200 W (watt) (34) in the literature.
  • the third heating element (22) is connected in series so as to provide the first state (24)
  • approximately 172 W (watts) (34) of power is provided on the 44 Q (Ohm) resistor 32.
  • a total of 430 W (watts) of power is provided for cooking food in the cooking chamber.
  • 4100 W (watt) power is consumed for the cooking chamber (14) standards in the literature in which all heating elements are connected in parallel
  • 430 W (watt) power is consumed with the first configuration in Figure 3.
  • the mains voltage (16) is an alternating voltage provider and becomes 230 VAC.
  • heating efficiency can also be achieved in the second state (26) by having the heating elements (18) (20) (22) switch on at the same time.
  • the first heating element (18) is again configured as a turbo heating element and its first resistance value (28) is 29 Q (Ohm).
  • a current of approximately 4.42 A (ampere) passes over the 29 Q (Ohm) resistor (28) and 566 W (watt) (34) power is provided.
  • the second heating element (20) is configured as a sub-grid and its second resistance value (30) is again 48 Q (Ohm).
  • the second heating element (20) when the second heating element (20) is connected in parallel so as to provide the second condition (26), a current of approximately 2.11 A (ampere) passes over the 48 Q (Ohm) resistor (30), and 213 W (watts) (34) power is provided.
  • the third heating element (22) is also configured as the upper heating element and its third resistance value (32) is 44 Q (Ohm).
  • approximately 221 W (watts) (34) of power is provided over the 44 Q (Ohm) resistor 32.
  • a total power of 1000 W (watts) is provided for cooking food in the cooking chamber.
  • the second heating element (20) and the third heating element (22) are connected in series to each other for the first state in connection with a mains voltage (16).
  • the amount of current passing over the second and third heating elements (20) (22) is reduced.
  • the first heating element (18) is connected in parallel to the connection line of the second and third heating elements (20) (22) connected in series.
  • the amount of current passing over the second and third heating elements (20) (22) is increased, thus providing power efficiency and heating efficiency.
  • the mains voltage (16) is an alternating voltage provider and is again 230 VAC. In this second configuration, heating efficiency can also be achieved by the heating elements (18) (20) (22) being activated at the same time.
  • the first heating element (18) is again configured as a turbo heating element and its first resistance value (28) is 29 Q (Ohm).
  • first resistance value (28) is 29 Q (Ohm).
  • 1800 W (watt) (34) power is provided over the 29 Q (Ohm) resistance (28) as in the literature.
  • the second heating element (20 is configured as a sub-grid and its second resistance value (30) is 48 Q (Ohm).
  • the third heating element (22) is also configured as the upper heating element and its third resistance value (32) is again 44 Q (Ohm).
  • the third heating element (22) is connected in series so as to provide the first state (24)
  • approximately 383 W (watts) (34) of power is provided over the 44 Q (Ohm) resistor 32.
  • the first heating element (18) and the third heating element (22) are connected in series to each other for the first state in connection with being fed from a mains voltage (16).
  • the amount of current passing over the first and third heating elements (18) (22) is reduced.
  • the second heating element (20) is connected in parallel to the connection line of the first and third heating elements (18) (22) connected in series.
  • the mains voltage (16) is an alternating voltage provider and is again 230 VAC.
  • heating efficiency can also be achieved by enabling the heating elements (18) (20) (22) to be switched on at the same time.
  • the first heating element (18) is again configured as a turbo heating element and its first resistance value (28) is 29 Q (Ohm).
  • first resistance value (28) is 29 Q (Ohm).
  • 288 W (watts) (34) power is provided over the 29 Q (Ohm) resistor (28).
  • the second heating element (20) is configured as a sub-grid and its second resistance value (30) is 48 Q (Ohm).
  • the second heating element (20) is connected in series in a way that ensures the first state (24), 1100 W (watt) (34) power is provided over the 48 Q (Ohm) resistance (30) as in the literature.
  • the third heating element (22) is also configured as the upper heating element and its third resistance value (32) is again 44 Q (Ohm).
  • the third heating element (22) is connected in series so as to provide the first state (24)
  • approximately 437 W (watts) (34) of power is provided over the 44 Q (Ohm) resistor 32.
  • a total power of 1825 W (watts) is provided for cooking food in the cooking chamber.
  • 1825 W (watt) power is consumed with the third configuration in Figure 6.
  • This in addition to preventing the loss of heating efficiency provided by the simultaneous operation of the oven (10), also provides an economically heated oven (10) in which the power limitation is reduced, that is, the consumed power value (34) is reduced.
  • Power control can be done in the range of 400-2600W.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)

Abstract

L'invention concerne un four comprenant une enveloppe (12); une chambre de cuisson (14), dans une cavité accessible sur une paroi avant de l'enveloppe (12), dans laquelle la cuisson est effectuée; un premier élément chauffant (18), un deuxième élément chauffant (20) et un troisième élément chauffant (22) connectés électriquement entre eux et connectés à un réseau électrique (16) disposé au niveau des parois de la chambre de cuisson (14), afin d'effectuer la cuisson; et un limitateur de puissance est disposé de sorte que, dans un premier état (24), au moins deux éléments chauffants (18, 20, 22) sont connectés entre eux en série de manière appropriée afin d'obtenir une valeur de puissance prédéfinie (30), ou que, dans un second état (26), au moins deux éléments chauffants (18, 20, 22) sont connectés entre eux en parallèle.
PCT/TR2021/051491 2021-12-24 2021-12-24 Four doté d'élément chauffant Ceased WO2023121577A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/TR2021/051491 WO2023121577A1 (fr) 2021-12-24 2021-12-24 Four doté d'élément chauffant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR2021/051491 WO2023121577A1 (fr) 2021-12-24 2021-12-24 Four doté d'élément chauffant

Publications (1)

Publication Number Publication Date
WO2023121577A1 true WO2023121577A1 (fr) 2023-06-29

Family

ID=86903492

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2021/051491 Ceased WO2023121577A1 (fr) 2021-12-24 2021-12-24 Four doté d'élément chauffant

Country Status (1)

Country Link
WO (1) WO2023121577A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2073455A (en) * 1980-04-03 1981-10-14 Appliance Control Syst Pty Electrical power control systems
US20060162573A1 (en) * 2002-11-01 2006-07-27 Chung Yin Yip Electric toaster
US20070039945A1 (en) * 1999-03-30 2007-02-22 Stockley Enterprises, Llc Programmable combination oven

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2073455A (en) * 1980-04-03 1981-10-14 Appliance Control Syst Pty Electrical power control systems
US20070039945A1 (en) * 1999-03-30 2007-02-22 Stockley Enterprises, Llc Programmable combination oven
US20060162573A1 (en) * 2002-11-01 2006-07-27 Chung Yin Yip Electric toaster

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