WO2023033401A1

WO2023033401A1 - Cooking appliance and control method thereof

Info

Publication number: WO2023033401A1
Application number: PCT/KR2022/012054
Authority: WO
Inventors: 이슬기; 김성민; 황금철
Original assignee: 삼성전자주식회사
Priority date: 2021-09-01
Filing date: 2022-08-11
Publication date: 2023-03-09
Also published as: KR20230033361A

Abstract

A cooking appliance according to an aspect of the invention disclosed herein may comprise: a temperature sensor; a plurality of heaters including a first heater and a second heater; a power circuit; a battery; a power network electrically connected to the temperature sensor, the first heater, the second heater, the power circuit, and the battery; and a processor electrically connected to the power network. The processor may: control the power network to supply one of the first heater and the second heater with power from the power circuit; and on the basis of an output signal of the temperature sensor, control the power network to supply the first heater and the second heater with power from the power circuit and the battery.

Description

Cooking device and its control method

The disclosed invention relates to a cooking device and a control method thereof, and relates to a cooking device capable of reducing cooking time and a control method thereof.

The cooking device is a device that cooks food by heating food. The cooking device includes, for example, a gas oven that heats food by burning gas, an electric oven that heats food by converting electrical energy into heat energy, a microwave oven that heats food by irradiating microwaves thereto, A gas range for heating a container containing food by burning gas, or an induction heating device for heating a container containing food by generating a magnetic field may be included.

In general, a cooking device consumes a lot of power to heat food. On the other hand, in a home, a circuit breaker is generally provided to prevent a large amount of power from being consumed in order to detect a short circuit and prevent a fire caused by accumulation. Circuit breakers limit the amount of power the cooking device can use.

Due to the limited amount of power, cooking time by the cooking device may increase.

One aspect of the disclosed invention is to provide a cooking device capable of reducing cooking time and a control method thereof.

One aspect of the disclosed invention is to provide a cooking apparatus including an auxiliary power source and a control method thereof in order to reduce cooking time.

A cooking device according to an aspect of the disclosed outbreak includes a temperature sensor; a plurality of heaters including a first heater and a second heater; power circuit; battery; a power network electrically connected to a temperature sensor, the first heater, the second heater, the power circuit, and the battery; and a processor electrically connected to the power network. The processor controls the power network to supply power to one of the first heater and the second heater in the power circuit, and the power circuit and the battery based on the output signal of the temperature sensor. The power network may be controlled to supply power to the first heater and the second heater.

According to one aspect of the disclosed outbreak, a control method of a cooking apparatus including a plurality of heaters including a first heater and a second heater is configured to either one of the first heater and the second heater in a power circuit of the cooking apparatus. supply power; and supplying power to the first heater and the second heater from the power circuit and a battery of the cooking device based on an output signal of a temperature sensor provided in the cooking device.

A cooking apparatus according to an aspect of the disclosed outbreak includes a plurality of heaters including a first heater and a second heater; power circuit; battery; a power network electrically connected to the first heater, the second heater, the power circuit, and the battery; and a processor electrically connected to the power network. The processor controls the power network to supply power to the first heater and the second heater in the power circuit, and the power based on output levels of the first heater and the second heater based on a user input. The circuit and the battery may control the power network to supply power to the first heater and the second heater.

According to one aspect of the disclosed invention, a cooking device capable of reducing a cooking time and a control method thereof may be provided.

One aspect of the disclosed invention may provide a cooking apparatus including an auxiliary power source and a control method thereof in order to shorten a cooking time.

1 shows a cooking device according to an embodiment.

Figure 2 shows the C-C' cross section shown in Figure 1;

Figure 3 shows the cooking chamber shown in Figure 1;

4 shows a configuration of a cooking device according to an embodiment.

5 illustrates an example of a power network included in a cooking device according to an embodiment.

6 illustrates an example of a power network included in a cooking device according to an embodiment.

7 illustrates an example of a power network included in a cooking device according to an embodiment.

8 illustrates an example of a power network included in a cooking device according to an embodiment.

9 illustrates an example of an operation of a cooking device according to an embodiment.

10 illustrates an example of an operation of a cooking device according to an embodiment.

11 illustrates an example of an operation of a cooking device according to an embodiment.

12 illustrates an example of an operation of a cooking device according to an embodiment.

13 illustrates an example of an operation of a cooking device according to an embodiment.

14 shows a cooking device according to an embodiment.

15 shows a configuration of a cooking device according to an embodiment.

Like reference numbers designate like elements throughout the specification. This specification does not describe all elements of the embodiments, and general content or overlapping content between the embodiments in the technical field to which the present invention belongs is omitted. The term 'unit, module, member, or block' used in the specification may be implemented as software or hardware, and according to embodiments, a plurality of 'units, modules, members, or blocks' may be implemented as one component, It is also possible that one 'part, module, member, block' includes a plurality of components.

Throughout the specification, when a part is said to be "connected" to another part, this includes not only the case of being directly connected but also the case of being indirectly connected, and indirect connection includes being connected through a wireless communication network. do.

In addition, when a certain component is said to "include", this means that it may further include other components without excluding other components unless otherwise stated.

Throughout the specification, when a member is said to be located “on” another member, this includes not only a case where a member is in contact with another member, but also a case where another member exists between the two members.

Terms such as first and second are used to distinguish one component from another, and the components are not limited by the aforementioned terms.

Expressions in the singular number include plural expressions unless the context clearly dictates otherwise.

In each step, the identification code is used for convenience of explanation, and the identification code does not explain the order of each step, and each step may be performed in a different order from the specified order unless a specific order is clearly described in context. there is.

Hereinafter, the working principle and embodiments of the present invention will be described with reference to the accompanying drawings.

1 shows a cooking device according to an embodiment. Figure 2 shows the C-C' cross section shown in Figure 1; Figure 3 shows the cooking chamber shown in Figure 1; 4 shows a configuration of a cooking device according to an embodiment.

Referring to FIGS. 1 , 2 , 3 and 4 , the cooking device 1 may include a main body 10 accommodating parts constituting the cooking device 1 .

The main body 10 includes a front panel 11 forming a front surface of the main body 10, a side panel 12 forming a side surface of the main body 10, and a rear surface of the main body 10. It may include a rear panel 13 forming a rear surface and an upper panel 14 forming an upper surface of the main body 10 .

An electrical compartment cover 17 covering the front surface of the electrical compartment 50 may be provided on the front upper portion of the front panel 11 . The control panel 40 may be mounted on the control room cover 17 .

A suction part 12a may be provided on the side panel 12 so that air can be sucked into the electrical compartment 50 . External air sucked into the electrical compartment 50 through the suction part 12a flows inside the electrical compartment 50 and can cool electrical components.

In the cooking device 1, a cooking chamber 20 provided inside the body 10 to have an open front surface may be provided. For example, the cooking chamber 20 may have a box shape with an open front. Food to be cooked may be taken in and out of the cooking chamber 20 through the open front of the cooking chamber 20 .

The cooking chamber 20 includes an upper wall 21 defining an upper surface of the cooking chamber 20, a lower wall 22 defining a lower surface of the cooking chamber 20, and a right side of the cooking chamber 20. A right wall 24 defining the right side wall, a left wall 23 defining the left side of the cooking compartment 20, and a rear wall 25 defining the rear side of the cooking compartment 20. ) may be included. Here, the lower wall 22 of the cooking compartment 20 may be referred to as a “bottom plate” of the cooking compartment 20 .

A plurality of supports may be provided on both

side walls

23 and 24 of the cooking chamber 20 . A rack on which food can be placed may be mounted on the plurality of supports.

A divider capable of dividing the cooking chamber 20 into a plurality of pieces may be detachably mounted on the plurality of supports. The plurality of cooking chambers 20 divided by the dividers do not have to be the same in size, and may have different sizes. The divider is made of an insulating material and can insulate the cooking chamber 20 divided into a plurality of pieces.

The cooking device 1 may further include a door 30 provided to open and close the cooking chamber 20 . Specifically, the door 30 may be rotatably provided to open and close the front surface of the cooking chamber 20 . The door 30 may be installed on the main body 10 so as to be rotatable. A door handle may be provided on the door 30 . Specifically, the door handle may be provided on the front upper portion of the door 30 so that the user can easily open and close the cooking compartment 20 by gripping the door handle.

The cooking device 1 may be provided with an electrical compartment 50 for accommodating electric appliances. For example, the electrical cabinet 50 may be provided above the cooking chamber 20 . A heat insulating material may be disposed between the electrical chamber 50 and the cooking chamber 20 to insulate the electrical chamber 50 and the cooking chamber 20 . The insulating material may be disposed not only between the electrical chamber 50 and the cooking chamber 20, but also to completely cover the cooking chamber 20 so as to insulate the cooking chamber 20 from the outside of the cooking apparatus 1.

As shown in FIG. 4 , for example, the electrical components of the cooking device 1 include an input button 110, a display 120, a temperature sensor 130, a power circuit 140, a battery 150, a first A heater 160 , a second heater 170 , a third heater 180 , a power network 200 and/or a processor 190 may be included.

The input button 110 and the display 120 may be provided on the control panel 40 . The power circuit 140 , the battery 150 , the power network 200 , the first heater 160 , and the processor 190 may be provided in the control room 50 . In addition, the first heater 160 and the second heater 170 may be provided between the left and

right side walls

23 and 24 of the cooking chamber 20 and the side panel 12, and the third heater 180 may be provided in the cooking chamber ( 20) may be provided inside (eg, inside the upper wall).

The input button 110 may obtain a user input related to the operation of the cooking device 1 . For example, the input button 110 may obtain a user input for selecting a cooking course. A cooking course may include a series of instructions for heating food for a specific amount of time in a specific cooking method (eg, bake, grill, or microwave heat). For example, the cooking course includes heating for a first time using the first heater 160, heating for a second time using the second heater 170, and heating for a third time using the third heater 180. A series of heating operations may be included. The cooking course is heating for a fourth time using the first heater 160 and the second heater 170, heating for a fifth time using the second heater 170 and the third heater 180, and heating for a third time. A series of operations of heating for a sixth time using the heater 180 and the first heater 160 may be included. Also, the cooking course may include an operation of heating the first heater 160 , the second heater 170 , and the third heater 180 for a seventh time.

The input button 110 may obtain a user input for selecting a specific heating method. The heating method may include operating at least one of the first heater 160 , the second heater 170 , and the third heater 180 . For example, the heating method may include an operation of operating the first heater 160 , operating the second heater 170 , or operating the third heater 180 . The heating method operates the first heater 160 and the second heater 170, or operates the second heater 170 and the third heater 180, or operates the third heater 180 and the first heater It may include activating 160. Also, the heating method may include an operation of operating the first heater 160 , the second heater 170 , and the third heater 180 .

The input button 110 may obtain a user input for setting a heating time and target temperature together with a heating method.

The input button 110 may obtain a user input for preheating. The cooking apparatus 1 may control the

heaters

160 , 170 , and 180 to preheat the cooking chamber 20 before heating food in response to a user input for preheating.

Also, the input button 110 may obtain a user input for quick cooking or quick heating. The cooking apparatus 1 may control the

heaters

160 , 170 , and 180 to heat the cooking chamber 20 with the maximum amount of heat in response to a user input for rapid cooking or rapid heating.

The input button 110 may provide an electrical signal (user input signal) (eg, a voltage signal or a current signal) corresponding to a user input to the processor 190 . The processor 190 may identify the user input based on processing the user input signal.

The input button 110 may include a tact switch, a push switch, a slide switch, a toggle switch, a micro switch, a touch switch, or a dial.

The display 120 may receive data representing the operation of the cooking device 1 from the processor 190 and display an image representing the operation of the cooking device 1 . For example, the display 120 may display a cooking course selected by the user. The display 120 may display an expected cooking time according to a cooking course. The display 120 may display the remaining time until cooking is completed while heating the food.

The display 120 may include, for example, a Liquid Crystal Display (LCD) panel or a Light Emitting Diode (LED) panel.

The temperature sensor 130 may be installed inside the cooking chamber 20 or installed in a duct connected to the cooking chamber 20 .

The temperature sensor 130 may measure the temperature of the air inside the cooking chamber 20 or the temperature of the air discharged from the cooking chamber 20 (hereinafter referred to as 'internal temperature of the cooking chamber'), and measure the measured temperature of the cooking chamber 20. An electrical signal (temperature signal) corresponding to the internal temperature of may be provided to the processor 190 . The processor 190 may identify the internal temperature of the cooking compartment 20 based on processing the temperature signal of the temperature sensor 130 .

The temperature sensor 130 may include, for example, a thermistor whose electrical resistance changes according to temperature.

The power circuit 140 may receive AC power from an external AC power source (eg, household commercial power supply). The power circuit 140 may include, for example, electromagnetic interference filters (EMI) filters or power factor correction circuits.

The power circuit 140 may convert AC power into DC power and convert a voltage of the converted DC power. The power circuit 140 may include, for example, a rectifier circuit or a DC-DC converter.

The power circuit 140 may be electrically connected to electrical components of the cooking apparatus 1 and may provide power to the electrical components. For example, the power circuit 140 may provide AC power to the first heater 160, the second heater 170, or the third heater 180, and may provide DC power to the input button 110, the display ( 120), the temperature sensor 130, the battery 150, or the processor 190.

The battery 150 may receive DC power from the power circuit 140 and may provide DC power to the first heater 160 , the second heater 170 , or the third heater 180 .

The battery 150 may convert DC power received from the power circuit 140 into chemical energy and store the converted chemical energy. In other words, the battery 150 may store electrical energy in the form of chemical energy.

The battery 150 may convert stored chemical energy into electrical energy and provide DC power to the first heater 160 , the second heater 170 , or the third heater 180 .

The first heater 160 may include a microwave source that emits microwaves into the cooking chamber 20 .

The first heater 160 may include, for example, a transformer that increases the voltage of the AC power received from the power circuit 140, a magnetron that emits microwaves using the AC power of the increased voltage, and microwaves. It may include an antenna for emitting or a waveguide for guiding microwaves to the cooking chamber 20 . Microwaves emitted in the cooking chamber 20 can penetrate into the inside of the food to be cooked, and can heat both the outside and the inside of the food to be cooked.

The second heater 170 may heat ambient air. For example, the second heater 170 may heat ambient air by emitting Joule's heat due to electrical resistance.

A fan 171 for flowing air heated by the second heater 170 may be provided near the second heater 170 . The fan 171 may be rotated by a motor 172 . The motor 172 may receive power from the power circuit 140 or the battery 150 under the control of the processor 190 and may rotate using the supplied power.

The fan 171 may blow, for example, air heated by the second heater 170 into the cooking chamber 20 . The fan 171 passes the vicinity of the second heater 170 by sucking air in the cooking chamber 20, for example, and blows the air passing through the vicinity of the second heater 170 into the cooking chamber 20. can be put

As such, the second heater 170 may function as a convection heater supplying heated air to the cooking chamber 20 .

The second heater 170 and the fan 171 may increase the temperature inside the cooking chamber 20 and heat food in the cooking chamber 20 by the heated air inside the cooking chamber 20 .

The third heater 180 may directly emit radiant heat to the food to be cooked inside the cooking chamber 20 . In other words, the third heater 180 may directly radiate radiant heat to the food to be cooked rather than heating the surrounding air.

The third heater 180 may be provided under the upper wall 21 of the cooking chamber 20, for example. The third heater 180 may include, for example, a halogen heater, a carbon heater, a quartz tube heater, a ceramic heater, a near-infrared heater, and the like.

The third heater 180 can directly emit radiant heat to the surface of the food to be cooked and can heat the food by the radiant heat. Due to the radiant heat, the surface of the food

As such, the third heater 180 may function as a broil heater or a grill heater that emits radiant heat.

The power network 200 may be electrically connected to the power circuit 140 and/or the battery 150, and may also be electrically connected to the first heater 160, the second heater 170 and/or the third heater 180. can be connected to

The power network 200 supplies power from the power circuit 140 and/or battery 150 to the first heater 160, the second heater 170, and/or the third heater in response to a control signal from the processor 190. (180) can be distributed. For example, power network 200 may include a plurality of switches that are closed or opened (turned on or off) in response to a power control signal from processor 190 .

For example, the power network 200 may allow the power circuit 140 to provide power to all of the first heater 160 , the second heater 170 , and the third heater 180 . The power network 200 may allow the power circuit 140 to provide power to the first heater 160 and the second heater 170 and the battery 150 to provide power to the third heater 180. there is.

The construction and operation of power network 200 is described in more detail below.

The processor 190 may be electrically connected to the input button 110 , the display 120 , the temperature sensor 130 and/or the power network 200 .

The processor 190 may process an output signal of the input button 110 and/or the temperature sensor 130 . The processor 190 may provide a control signal to the power network 200 based on processing the output signal.

The processor 190 may include a memory 191 that stores or stores a program (a plurality of instructions) or data for processing an output signal and providing a control signal. The memory 191 includes volatile memories such as Static Random Access Memory (S-RAM) and Dynamic Random Access Memory (D-RAM), Read Only Memory (ROM), and EpiROM (EPROM). Non-volatile memory such as Erasable Programmable Read Only Memory (EPROM) may be included.

The memory 191 may be implemented as a semiconductor device integrated with the processor 190 . Also, the memory 191 may be implemented as a semiconductor device separate from the processor 190 .

The processor 190 may further include a processor core (eg, an arithmetic circuit and a memory circuit) that processes signals based on programs or data stored in the memory 191 and outputs control signals.

The processor 190 may process an output signal (user input signal) of the input button 110 and identify a user input. For example, the processor 190 may identify a cooking course or a heating method and heating time based on an output signal of the input button 110 .

The processor 190 may control operations of the first heater 160 , the second heater 170 , and/or the third heater 180 to perform a cooking course according to a user input.

For example, in response to the identified cooking course, the processor 190 selects at least one heater among the first heater 160, the second heater 170, and the third heater 180 according to a time order according to the cooking course. A series of control signals may be output to the power network 200 to supply power. In addition, the processor 190, in response to the identified heating method and heating time, powers to at least one heater among the first heater 160, the second heater 170, and the third heater 180 according to the heating method. A control signal may be output to the power network 200 to supply.

Processor 190 sends a series of control signals to power network 200 to supply power to

heaters

160, 170, 180 to power circuit 140 and/or battery 150 in response to the identified cooking course. can output

For example, the processor 190 may determine a target power for the identified cooking course and compare the target power with maximum power that can be supplied by the power circuit 140 . The processor 190 may determine a target power for the identified heating method and compare the target power with maximum power that can be supplied by the power circuit 140 . The processor 190 controls the power network 200 to supply power to the

heaters

160, 170, and 180 from the power circuit 140 and the battery 150 based on the target power exceeding the maximum power. signal can be output. Also, the processor 190 sends a control signal to the power network 200 to supply power to the

heaters

160, 170, and 180 from the power circuit 140 based on the target power not exceeding the maximum power. can output

The processor 190 may identify a user input for preheating or rapid heating. The processor 190 supplies power to the power circuit 140 and/or the battery 150 to the

heaters

160, 170, and 180 based on a user input for preheating or quick heating (a power network ( 200) can output a control signal.

For example, the processor 190 may supply power to the

heaters

160, 170, and 180 from both the power circuit 140 and the battery 150 in response to a user input to perform preheating or rapid heating. A control signal may be output to the power network 200 .

The processor 190 may process the output signal (temperature signal) of the temperature sensor 130 and identify the internal temperature of the cooking chamber 20 . Also, the processor 190 may identify a target temperature based on a cooking course according to a user input.

The processor 190 may control the operation of the first heater 160 , the second heater 170 , and/or the third heater 180 so that the identified internal temperature maintains a target temperature according to the cooking course.

For example, the processor 190 supplies power to at least one of the first heater 160, the second heater 170, and the third heater 180 based on the comparison between the internal temperature and the target temperature. A series of control signals may be output to the power network 200 to do so. The processor 190 uses the power network 200 to supply power to at least one of the first heater 160, the second heater 170, and the third heater 180 based on the internal temperature lower than the target temperature. A control signal can be output to Also, the processor 190 may output a control signal to the power network 200 not to supply power to the

heaters

160 , 170 , and 180 based on the internal temperature higher than the target temperature.

The processor 190 outputs a control signal to the power network 200 to supply power to the power circuit 140 and/or the battery 150 to the

heaters

160, 170, and 180 based on the identified internal temperature. can do.

For example, the processor 190 may use the power network 200 to supply power to the

heaters

160, 170, and 180 in the power circuit 140 and the battery 150 based on the internal temperature being less than the target temperature. A control signal can be output to In addition, the processor 190 outputs a control signal to the power network 200 to supply power to the

heaters

160, 170, and 180 from the power circuit 140 based on the internal temperature exceeding the target temperature. can do.

As another example, the processor 190 supplies power to the

heaters

160 , 170 , and 180 from the power circuit 140 and the battery 150 based on a difference between the internal temperature and the target temperature being greater than or equal to a reference value. A control signal may be output to the power network 200 . In addition, the processor 190 sends power to the power network 200 to supply power to the

heaters

160, 170, and 180 in the power circuit 140 based on the difference between the internal temperature and the target temperature being less than the reference value. A control signal can be output.

As described above, the cooking apparatus 1 includes a power circuit 140 for providing external AC power to the

heaters

160, 170, and 180 as a main power source, and

heaters

160, 170, and 180 as auxiliary power sources. battery 150 providing direct current power to 180 and power network 200 allowing power circuit 140 and/or battery 150 to supply power to

heaters

160, 170, 180 can do.

In addition, the cooking apparatus 1 supplies power to the

heaters

160, 170, and 180 from the power circuit 140 and/or the battery 150 based on a user input and/or the internal temperature of the cooking chamber 20. The power network 200 may be controlled to supply.

Accordingly, the cooking apparatus 1 may increase the amount of heat output by the

heaters

160 , 170 , and 180 . In addition, the cooking apparatus 1 can shorten the heating time (or cooking time) for heating the food to be cooked.

In the following, the configuration of the power network 200 is described in detail.

As shown in FIG. 5 , the cooking apparatus 1 includes an input button 110, a display 120, a temperature sensor 130, a power circuit 140, a battery 150, a first heater 160, It may include a second heater 170 , a third heater 180 , a power network 200 and/or a processor 190 .

The power network 200 may include a first switch 210 , a second switch 220 , a third switch 230 and/or a sixth switch 260 .

Each of the first, second, and

third switches

210, 220, and 230 is connected to the first heater 160, the second heater 170, and/or the second heater 160 in the power circuit 140 and/or the battery 150. 3 The supply of electric power to the heater 180 may be allowed or blocked. In addition, the sixth switch 260 may permit or block power supply to the battery 150 from the power circuit 140 .

Each of the

switches

210, 220, 230, and 260 may include, for example, a semiconductor device switch. Each of the

switches

210, 220, 230, and 260 may be, for example, a metal-oxide-semiconductor field effect transistor (MOSFET), a bipolar junction transistor (BJT), or It may include an insulated gate bipolar transistor (IGBT). In addition, each of the

switches

210, 220, 230, and 260 is a pair of metal-oxide-semiconductor field effect transistors connected back-to-back, or a pair of bipolar junction transistors connected back-to-back, or a pair of back-to-back connected transistors. It may include a pair of insulated gate bipolar transistors connected two-back.

Each of

switches

210, 220, 230, 260 may include, for example, an electro-mechanical switch. Each of the

switches

210, 220, 230, and 260 may include, for example, a relay.

The first switch 210 may be connected to the power circuit 140 and the first heater 160 between the power circuit 140 and the first heater 160 .

The first switch 210 includes a first control terminal 211 (eg, a gate of an n-channel MOSFET or a base of an npn BJT) and a first input terminal 212 (eg, a drain or a drain of an n-channel MOSFET). a collector of an npn BJT) and a first output terminal 213 (eg, a source of an n-channel MOSFET or an emitter of an npn BJT). The first control terminal 211 may be connected to the processor 190, the first input terminal 212 may be connected to the power circuit 140, and the first output terminal 213 may be connected to the first heater 160. there is.

The first switch 210 may control power supplied to the first heater 160 from the power circuit 140 under the control of the processor 190 . The first switch 210 receives the first power control signal from the processor 190 through the first control terminal 211 and, depending on the received first power control signal, controls the first power control signal from the first input terminal 212. The electrical connection to 1 output terminal 213 can be allowed or blocked.

AC power or DC power may be supplied from the power circuit 140 to the first heater 160 while the first switch 210 is closed (on). Accordingly, the first heater 160 may emit microwaves to the cooking chamber 20 .

The second switch 220 may be connected to the power circuit 140 and the second heater 170 between the power circuit 140 and the second heater 170 .

The second switch 220 may include a second control terminal 221 , a second input terminal 222 , and a second output terminal 223 . The second control terminal 221 may be connected to the processor 190, the second input terminal 222 may be connected to the power circuit 140, and the second output terminal 223 may be connected to the second heater 170. there is.

The second switch 220 may control power supplied from the power circuit 140 to the second heater 170 under the control of the processor 190 . The second switch 220 receives a second power control signal from the processor 190 through the second control terminal 221, and outputs a second power control signal from the second input terminal 222 depending on the received second power control signal. The electrical connection to the 2 output terminals 223 can be allowed or blocked.

AC power or DC power may be supplied from the power circuit 140 to the second heater 170 while the second switch 220 is closed (on). Accordingly, the second heater 170 may supply heated air to the cooking chamber 20 .

The third switch 230 may be connected to the battery 150 and the third heater 180 between the battery 150 and the third heater 180 .

The third switch 230 may include a third control terminal 231 , a third input terminal 232 , and a third output terminal 233 . The third control terminal 231 is connected to the processor 190, the third input terminal 232 is connected to the battery 150, and the third output terminal 233 is connected to the third heater 180. .

The third switch 230 may control power supplied from the battery 150 to the third heater 180 under the control of the processor 190 . The third switch 230 receives the third power control signal from the processor 190 through the third control terminal 231, and in accordance with the received third power control signal, the third input terminal 232 generates a second power control signal. The electrical connection to the three output terminals 233 can be allowed or blocked.

DC power may be supplied from the battery 150 to the third heater 180 while the third switch 230 is closed (on). Accordingly, the third heater 180 may emit radiant heat to the cooking chamber 20 .

The sixth switch 260 may be connected to the power circuit 140 and the battery 150 between the power circuit 140 and the battery 150 .

The sixth switch 260 may include a sixth control terminal 261 , a sixth input terminal 262 , and a sixth output terminal 263 . The sixth control terminal 261 may be connected to the processor 190, the sixth input terminal 262 may be connected to the battery 150, and the sixth output terminal 263 may be connected to the power circuit 140.

The sixth switch 260 may control power supplied from the power circuit 140 to the battery 150 under the control of the processor 190 . For example, while the

heaters

160 , 170 , and 180 are not operating, the sixth switch 260 allows the power circuit 140 to charge the battery 150 in the power circuit 140 to the battery 150 . power can be supplied.

DC power may be supplied from the power circuit 140 to the battery 150 while the sixth switch 260 is closed (on). Thereby, the battery 150 can be charged.

The processor 190 may operate at least one of the first heater 160 , the second heater 170 , and/or the third heater 180 based on a user input or the temperature of the cooking chamber 20 . Specifically, the processor 190 closes (or closes) at least one of the first switch 210, the second switch 220, and/or the third switch 230 based on a user input or the temperature of the cooking chamber 20. A control signal to be turned on may be output to the power network 200 .

For example, the processor 190 closes (turns on) the second switch 220 to supply power to the second heater 170 in the power circuit 140 based on a cooking course including baking. )can do. The processor 190 closes (turns on) the third switch 230 to supply power to the third heater 180 from the battery 150 based on a cooking course including broil or grill. )can do. In addition, the processor 190 supplies power to the first heater 160 and the second heater 170 from the power circuit 140 based on a cooking course including heating, baking, and broiling using microwaves And the first, second and

third switches

210, 220 and 230 may be closed (turned on) so that the battery 150 supplies power to the third heater 180.

As another example, the processor 190 supplies power to the first heater 160 and the second heater 170 from the power circuit 140 and supplies power to the third heater (from the battery 150) based on a user input for preheating. The first, second, and

third switches

210, 220, and 230 may be closed (turned on) to supply power to 180.

As another example, the processor 190 supplies power to the first heater 160 and the second heater 170 from the power circuit 140 based on a difference between the measured temperature and the target temperature being greater than or equal to the reference value, and the battery In 150 , the first, second, and

third switches

210 , 220 , and 230 may be closed (turned on) to supply power to the third heater 180 .

Accordingly, the cooking apparatus 1 can increase the amount of heat output by the

heaters

160, 170, and 180 using the battery 150, and shorten the heating time (or cooking time) for heating the food to be cooked. can do.

As shown in FIG. 6 , the power network 200 includes a first switch 210, a second switch 220, a third switch 230, a fourth switch 240, a fifth switch 250 and / or a sixth switch 260 may be included.

Each of the switches ,,,,, supplies power to the first heater 160, the second heater 170, and/or the third heater 180 from the power circuit 140 and/or the battery 150. Supply can be allowed or blocked. Each of the switches ,,,,,, may include, for example, a semiconductor element switch such as a metal-oxide-semiconductor field effect transistor, a bipolar junction transistor, or an insulated gate bipolar transistor. Further, each of the switches ,,,,, may include an electro-mechanical switch, such as a relay, for example.

The first switch 210 may be connected to the power circuit 140 and the first heater 160 between the power circuit 140 and the first heater 160 . Connection and operation of the first switch 210 may be the same as that of the first switch 210 shown in FIG. 5 .

The second switch 220 may be connected to the power circuit 140 and the second heater 170 between the power circuit 140 and the second heater 170 . Connection and operation of the second switch 220 may be the same as that of the second switch 220 shown in FIG. 5 .

The third switch 230 may be connected to the battery 150 and the third heater 180 between the battery 150 and the third heater 180 . Connection and operation of the third switch 230 may be the same as that of the third switch 230 shown in FIG. 5 .

Between the sixth switch 260 , the power circuit 140 and the battery 150 may be connected to the power circuit 140 and the battery 150 . Connection and operation of the sixth switch 260 may be the same as that of the sixth switch 260 shown in FIG. 5 .

The fourth switch 240 may be connected to the battery 150 and the second heater 170 between the battery 150 and the second heater 170 .

The fourth switch 240 may include a fourth control terminal 241 , a fourth input terminal 242 , and a fourth output terminal 243 . The fourth control terminal 241 is connected to the processor 190, the fourth input terminal 242 is connected to the battery 150, and the fourth output terminal 243 is connected to the second heater 170. .

The fourth switch 240 may control power supplied from the battery 150 to the second heater 170 under the control of the processor 190 . The fourth switch 240 receives the fourth power control signal from the processor 190 through the fourth control terminal 241, and the fourth input terminal 242 controls the fourth power control signal depending on the received fourth power control signal. The electrical connection to the 4 output terminals 243 can be allowed or blocked.

DC power may be supplied from the battery 150 to the second heater 170 while the fourth switch 240 is closed (on).

The fifth switch 250 may be connected to the power circuit 140 and the third heater 180 between the power circuit 140 and the third heater 180 .

The fifth switch 250 may include a fifth control terminal 251 , a fifth input terminal 252 , and a fifth output terminal 253 . The fifth control terminal 251 is connected to the processor 190, the fifth input terminal 252 is connected to the power circuit 140, and the fifth output terminal 253 is connected to the third heater 180. there is.

The fifth switch 250 may control power supplied from the power circuit 140 to the third heater 180 under the control of the processor 190 . The fifth switch 250 receives a fifth power control signal from the processor 190 through the fifth control terminal 251 and, depending on the received fifth power control signal, transmits a second power control signal from the fifth input terminal 252. 5 The electrical connection to the output terminal 253 can be allowed or blocked.

AC power or DC power may be supplied from the power circuit 140 to the third heater 180 while the fifth switch 250 is closed (on).

The processor 190 closes at least one of the

switches

210 , 220 , 230 , 240 , and 250 based on a user input or the temperature of the cooking chamber 20 , based on a user input or the temperature of the cooking chamber 20 . A (on) control signal may be output to the power network 200 .

For example, the processor 190 may close (turn on) the second switch 220 to supply power to the second heater 170 in the power circuit 140 based on a cooking course including baking. there is. Also, the processor 190 may close (turn on) the fifth switch 250 to supply power to the third heater 180 in the power circuit 140 based on a cooking course including broil or grill. there is.

In addition, the processor 190 supplies power to the first heater 160 and the second heater 170 from the power circuit 140 based on a cooking course including heating, baking, and broiling using microwaves And the first, second and

third switches

210, 220 and 230 may be closed (turned on) so that the battery 150 supplies power to the third heater 180. Alternatively, the processor 190 may supply power to the first heater 160 and the third heater 180 from the power circuit 140 and supply power to the second heater 170 from the battery 150. , the fourth and

fifth switches

210, 240, and 250 may be closed (turned on).

As another example, the processor 190 may supply power to the

heaters

160 , 170 , and 180 from the power circuit 140 and the battery 150 to all

switches

210 and 220 based on a user input for preheating. , 230, 240, 250) can be closed (turned on). Thereby, power can be supplied from both the power circuit 140 and the battery 150 to the second heater 170 and the third heater 180, and the second heater 170 and the third heater 180 Increased heat output is possible.

After the preheating is completed, the processor 190 closes the first, second, and

fifth switches

210, 220, and 250 to supply power to the

heaters

160, 170, and 180 in the power circuit 140 ( turn on).

In addition, the processor 190 supplies power from the power circuit 140 and the battery 150 to the

heaters

160, 170, and 180 based on a difference between the measured temperature and the target temperature being greater than or equal to a reference value. The

switches

210, 220, 230, 240, and 250 may be closed (turned on). The processor 190 supplies power to the

heaters

160, 170, and 180 from the power circuit 140 based on a difference between the measured temperature and the target temperature being less than the reference value, and the first, second, and third steps are performed. The 5 switches 210, 220, and 250 may be closed (turned on).

heaters

As shown in FIG. 7 , the cooking apparatus 1 includes an input button 110, a display 120, a temperature sensor 130, a power circuit 140, a battery 150, a first heater 160, A second heater 170 , a third heater 180 , a fourth heater 175 , a fifth heater 185 , a power network 200 , and/or a processor 190 may be included.

Like the second heater 170, the fourth heater 175 may function as a convection heater supplying heated air to the cooking chamber 20, and may assist the second heater 170. In other words, the fourth heater 175 is provided adjacent to the second heater 170 and may operate as an auxiliary heater for the second heater 170 .

The fifth heater 185 may function as a broil heater or grill heater that emits radiant heat like the third heater 180, and the third heater 180 connected to the battery 150 is the fifth heater 185 can assist In other words, the third heater 180 is provided adjacent to the fifth heater 185 and may operate as an auxiliary heater of the fifth heater 185 .

The power network 200 includes a first switch 210, a second switch 220, a third switch 230, a fourth switch 240, a fifth switch 250 and/or a sixth switch 260. can include

The fourth switch 240 may be connected to the battery 150 and the fourth heater 175 between the battery 150 and the fourth heater 175 . The fourth control terminal 241 of the fourth switch 240 is connected to the processor 190, the fourth input terminal 242 is connected to the battery 150, and the fourth output terminal 243 is connected to the fourth heater. (175) can be connected.

The fourth switch 240 may control power supplied from the battery 150 to the fourth heater 175 under the control of the processor 190 . DC power may be supplied from the battery 150 to the fourth heater 175 while the fourth switch 240 is closed (on).

The fifth switch 250 may be connected to the power circuit 140 and the fifth heater 185 between the power circuit 140 and the fifth heater 185 . The fifth control terminal 251 of the fifth switch 250 is connected to the processor 190, the fifth input terminal 252 is connected to the power circuit 140, and the fifth output terminal 253 is connected to the fifth It may be connected to the heater 185.

The fifth switch 250 may control power supplied from the power circuit 140 to the fifth heater 185 under the control of the processor 190 . AC power or DC power may be supplied from the power circuit 140 to the fifth heater 185 while the fifth switch 250 is closed (on).

The processor 190 closes at least one of the

switches

For example, the processor 190 may close (turn on) the second switch 220 to supply power to the second heater 170 in the power circuit 140 based on a cooking course including baking. there is. Also, the processor 190 may close (turn on) the fifth switch 250 to supply power to the fifth heater 185 in the power circuit 140 based on a cooking course including broil or grill. there is.

As another example, the processor 190 supplies power to the first heater 160, the second heater 170, and the fifth heater 185 in the power circuit 140 based on a user input for preheating, and the battery ( In operation 150 , all

switches

210 , 220 , 230 , 240 , and 250 may be closed (turned on) to supply power to the third heater 180 and the fourth heater 175 . Thereby, power can be supplied from both the power circuit 140 and the battery 150 to the second heater 170 and the third heater 180, and the second heater 170 and the third heater 180 Increased heat output is possible.

The processor 190 supplies power to the first heater 160, the second heater 170, and the fifth heater 185 from the power circuit 140 based on the measured temperature reaching the target temperature. The first, second and

fifth switches

210, 220 and 250 may be closed (turned on).

As another example, the processor 190 may close (turn on) all the

switches

210 , 220 , 230 , 240 , and 250 based on a difference between the measured temperature and the target temperature equal to or greater than the reference value. Also, the processor 190 may close (turn on) the first, second, and

fifth switches

210, 220, and 250 on the basis that the difference between the measured temperature and the target temperature is less than the reference value.

heaters

As shown in FIG. 8 , the power network 200 may include a first switch 210 , a second switch 220 , a fifth switch 250 and/or a sixth switch 260 .

Each of the

switches

210, 220, 250, and 260 is connected to the first heater 160, the second heater 170, and/or the third heater 180 in the power circuit 140 and/or the battery 150. Power supply can be allowed or cut off. Each of the

switches

210, 220, 250, and 260 may include, for example, a semiconductor device switch such as a metal-oxide-semiconductor field effect transistor, a bipolar junction transistor, or an insulated gate bipolar transistor. Additionally, each of the

switches

210, 220, 250, and 260 may include an electro-mechanical switch such as, for example, a relay.

The fifth switch 250 may be connected to the power circuit 140 and the third heater 180 between the power circuit 140 and the third heater 180 . Connection and operation of the second switch 220 may be the same as that of the fifth switch 250 shown in FIG. 6 .

The sixth switch 260 may be connected to the power circuit 140 and the battery 150 between the power circuit 140 and the battery 150 . The sixth control terminal 261 of the sixth switch 260 is connected to the processor 190, the sixth input terminal 262 is connected to the battery 150, and the sixth output terminal 263 is connected to the power circuit ( 140) can be connected.

The sixth switch 260 may control power supplied from the battery 150 to the power circuit 140 or power supplied from the power circuit 140 to the battery 150 under the control of the processor 190. . For example, while the

heaters

160, 170, and 180 are operating, the sixth switch 260 supplies power from the battery 150 to the power circuit 140 so that the battery 150 assists the power circuit 140. supply can be allowed. In addition, the sixth switch 260 supplies power to the battery 150 in the power circuit 140 so that the power circuit 140 charges the battery 150 while the

heaters

160 , 170 , and 180 are not operating. supply can be allowed.

The sixth switch 260 is a pair of metal-oxide-semiconductor field effect transistors connected back-to-back, or a pair of bipolar junction transistors connected back-to-back, or back-to-back, allowing bidirectional current. It may include a pair of connected insulated gate bipolar transistors.

The processor 190 closes (turns on) at least one of the

switches

210, 220, 250, and 260 based on a user input or the temperature of the cooking chamber 20, based on a user input or the temperature of the cooking chamber 20. ) can be output to the power network 200.

For example, the processor 190 may supply power to the

heaters

160, 170, and 180 from the power circuit 140 and the battery 150 based on a user input for preheating. 220, 250, 260) can be closed (turned on).

fifth switches

210, 220, and 250 to supply power to the

heaters

160, 170, and 180 in the power circuit 140 ( turn on).

heaters

Together with FIG. 9 , the operation 1000 of the cooking apparatus 1 is described.

The cooking device 1 may obtain a user input for heating (1010).

For example, a user may input a command (or user input) to the cooking device 1 through the input button 110 . The user may select a cooking course for heating the food to be cooked through the input button 110 . In addition, the user may select a heating method, heating time, and/or target temperature for heating the food to be cooked through the input button 110 .

The processor 190 may receive an electrical signal corresponding to a user input from the input button 110 . The processor 190 may identify the cooking course selected by the user based on the output signal of the input button 110 . Alternatively, the processor 190 may identify the heating method, heating time, and/or target temperature selected by the user.

The cooking device 1 may identify whether power can be supplied through the power circuit 140 (1020).

For example, the processor 190 may identify whether power can be supplied to the

heaters

160 , 170 , and 180 through the power circuit 140 . When the power circuit 140 is malfunctioning or power is not supplied from an external AC power source, the processor 190 may operate using power supplied from the battery 150 .

The processor 190 may identify whether the power circuit 140 is malfunctioning and whether power is supplied from an external AC power source in order to identify whether power can be supplied through the power circuit 140 .

If power supply through the power circuit 140 is not possible (No in 1020), the cooking device 1 may operate the

heaters

160, 170, and 180 using the battery 150 (1025). .

For example, the processor 190 may control the power network 200 to supply power to the

heaters

160 , 170 , and 180 from the battery 150 .

The processor 190 may close (turn on) the third switch 230 of the power network 200 shown in FIG. 5 . The processor 190 may close (turn on) the third switch 230 and the fourth switch 240 of the power network 200 shown in FIGS. 6 and 7 . In addition, the processor 190 closes (turns on) the first switch 210, the second switch 220, the fifth switch 250, and the sixth switch 260 of the power network 200 shown in FIG. can do.

If power supply through the power circuit 140 is possible (YES in 1020), the cooking apparatus 1 may identify whether the expected power consumption is equal to or greater than the allowable power consumption (1030).

For example, the processor 190 may identify the expected power consumption of the cooking device 1 based on a user input through the input button 110 . The processor 190 may identify expected power consumption of the cooking device 1 based on the cooking course selected by the user. The processor 190 may store a lookup table including expected power consumption for each of a plurality of cooking courses in the memory 191 and may identify the expected power consumption by referring to the lookup table of the memory 191 .

Also, the processor 190 may identify the expected power consumption of the cooking device 1 based on the heating method, heating time, and/or target temperature selected by the user. For example, the processor 190 may identify a heater to be operated among the

heaters

160, 170, and 180 based on the heating method, and identify expected power consumption based on the identified heater's power consumption and target temperature. can

The allowable power can be established empirically or empirically. The allowable power may be set based on the allowable power of circuit breakers commonly used in homes.

The processor 190 may compare the expected power consumption with the allowable power and identify whether the expected power consumption is greater than or equal to the allowable power.

If the expected power consumption is not greater than the allowable power consumption (No in 1030), the cooking apparatus 1 may operate the

heaters

160, 170, and 180 using the power circuit 140 (1035).

For example, the processor 190 supplies power from the power circuit 140 to the

heaters

160, 170, and 180 based on the low power consumption of the cooking device 1 to heat the food to be cooked. It is possible to control the power network 200 so that it can be supplied.

The processor 190 may close (turn on) the first switch 210 and the second switch 220 of the power network 200 shown in FIG. 5 . The processor 190 may close (turn on) the first switch 210, the second switch 220, and the fifth switch 250 of the power network 200 shown in FIGS. 6 and 7 . Also, the processor 190 may close (turn on) the first switch 210, the second switch 220, and the fifth switch 250 of the power network 200 shown in FIG. 8 .

If the expected power consumption is equal to or greater than the allowable power consumption (YES in 1030), the cooking apparatus 1 may operate the

heaters

160, 170, and 180 using the power circuit 140 and the battery 150 (1040). ).

For example, the processor 190 controls the heaters 160 in the power circuit 140 and the battery 150 based on the fact that the power to be consumed by the cooking device 1 to heat the food to be cooked is equal to or greater than the allowable power. The power network 200 may be controlled to supply power to , 170 and 180 .

The processor 190 may close (turn on) the first switch 210 , the second switch 220 , and the third switch 230 of the power network 200 shown in FIG. 5 . The processor 190 includes the first switch 210, the second switch 220, the third switch 230, the fourth switch 240 and the fifth switch of the power network 200 shown in FIGS. 6 and 7. 250 can be closed (turned on). In addition, the processor 190 closes (turns on) the first switch 210, the second switch 220, the fifth switch 250, and the sixth switch 260 of the power network 200 shown in FIG. can do.

As described above, the cooking apparatus 1 supplies power to the

heaters

160, 170, and 180 from at least one of the power circuit 140 and/or the battery 150 based on the expected power consumption. can Accordingly, the cooking apparatus 1 may supply power greater than allowable power to the

heaters

160 , 170 , and 180 .

Together with FIG. 10 , the operation 1100 of the cooking apparatus 1 is described.

The cooking device 1 may obtain a user input for heating (1110).

For example, a user may input a user command (or user input) for the cooking device 1 through the input button 110 . The processor 190 may identify a user command (or user input) based on an output signal of the input button 110 .

The user may input a user command (or user input) for quickly cooking or heating the food through the input button 110 .

Operation 1110 may be the same as operation 1010 shown in FIG. 9 .

The cooking device 1 may identify whether or not a user input for rapid heating has been obtained (1120).

For example, the processor 190 may identify a user command (or user input) for quickly cooking or heating the food based on the output signal of the input button 110 .

If the user input for quick heating is not obtained (No in 1120), the cooking apparatus 1 may operate the heaters using the power circuit 140 (1125).

For example, the processor 190 may supply power to the

heaters

160, 170, and 180 in the power circuit 140 based on not obtaining a user input for quick heating, the power network 200 can control.

Operation 1125 may be the same as operation 1035 shown in FIG. 9 .

When a user input for rapid heating is obtained (YES in 1120), the cooking apparatus 1 may operate the

heaters

160, 170, and 180 using the power circuit 140 and the battery 150 (1130). ).

For example, the processor 190 may supply power to the

heaters

160, 170, and 180 from the power circuit 140 based on obtaining a user input for quick heating, and the power circuit 140 and The power network 200 may be controlled so that the battery 150 supplies power to the

heaters

160 , 170 , and 180 .

Operation 1130 may be the same as operation 1040 shown in FIG. 9 .

As described above, the cooking apparatus 1 may supply power to the

heaters

160, 170, and 180 from the power circuit 140 and the battery 150 based on a user input for rapid heating. . Accordingly, the cooking device 1 can shorten the cooking time in response to a user input.

Together with FIG. 11 , the operation 1200 of the cooking apparatus 1 is described.

The cooking apparatus 1 may obtain a user input for preheating (1210).

For example, the user may input a user command (or user input) for heating (preheating) the cooking chamber 20 in advance to cook food through the input button 110 . A user may input a target temperature for preheating together with a user command for preheating.

The processor 190 may identify a user command (or user input) for preheating the cooking chamber 20 and a target temperature for preheating, based on an output signal of the input button 110 .

The cooking apparatus 1 may operate the

heaters

160, 170, and 180 using the power circuit 140 and the battery 150 (1220).

For example, the processor 190 may supply power to the

heaters

160, 170, and 180 from the power circuit 140 and the battery 150 based on a user input for quick heating. The network 200 may be controlled.

Operation 1220 may be the same as operation 1040 shown in FIG. 9 .

The cooking apparatus 1 may first identify whether or not the temperature measured during preheating is equal to or higher than the target temperature (1230).

For example, the temperature sensor 130 may measure the temperature of the inside of the cooking chamber 20 or the temperature of air discharged from the cooking chamber 20, and may output an electrical signal corresponding to the measured temperature. The processor 190 may identify the measured temperature of the cooking chamber 20 based on the output signal of the temperature sensor 130 .

The processor 190 may compare the measured temperature with a target temperature based on a user input, and may identify whether or not the measured temperature during preheating is first higher than the target temperature.

If the measured temperature is not higher than the target temperature (No in 1230), the cooking device 1 may continue preheating.

If the measured temperature is equal to or greater than the target temperature (Yes in S1230), the cooking apparatus 1 may operate the

heaters

160, 170, and 180 using the power circuit 140 (S1240).

For example, the processor 190 operates the power network 200 to supply power to the

heaters

160, 170, and 180 from the power circuit 140 based on the measured temperature being equal to or higher than the target temperature for the first time. can control. The processor 190 may control the power network 200 to supply power to the

heaters

160, 170, and 180 from the power circuit 140 based on the temperature measured after the preheating operation is completed.

Operation 1240 may be the same as operation 1035 shown in FIG. 9 .

As described above, the cooking apparatus 1 may supply power to the

heaters

160 , 170 , and 180 from the power circuit 140 and the battery 150 during the preheating operation. Accordingly, the cooking device 1 can quickly preheat the cooking chamber 20 .

Together with FIG. 12 , the operation 1300 of the cooking apparatus 1 is described.

The cooking device 1 may obtain a user input for heating (1310).

For example, the user may input a user command (or user input) for cooking or heating the food through the input button 110 . A user may input a target temperature for heating together with a user command for heating.

Operation 1310 may be the same as operation 1010 shown in FIG. 9 .

For example, the processor 190 may identify a user command (or user input) for heating the cooking chamber 20 and a target temperature for heating, based on an output signal of the input button 110 .

The cooking device 1 may identify whether a difference between the target temperature and the measured temperature of the cooking chamber 20 is greater than or equal to the reference temperature (S1320).

For example, the processor 190 may identify the measured temperature of the cooking chamber 20 based on the output signal of the temperature sensor 130 .

The processor 190 may identify whether the measured temperature of the cooking chamber 20 is less than the target temperature and whether a difference between the target temperature and the measured temperature of the cooking chamber 20 is equal to or greater than the reference temperature. The reference temperature may represent an allowable temperature error during temperature control of the cooking chamber 20 and may be set experimentally or empirically.

If the difference between the target temperature and the measured temperature of the cooking chamber 20 is not equal to or greater than the reference temperature (No in S1320), the cooking apparatus 1 may operate the heaters using the power circuit 140 (S1325).

For example, the processor 190 supplies power to the

heaters

160, 170, and 180 from the power circuit 140 based on a difference between the target temperature and the measured temperature of the cooking chamber 20 being smaller than the reference temperature. It is possible to control the power network 200 to supply.

Operation 1325 may be the same as operation 1035 shown in FIG. 9 .

When the difference between the target temperature and the measured temperature of the cooking compartment 20 is equal to or greater than the reference temperature (YES in 1320), the cooking device 1 uses the power circuit 140 and the battery 150 to operate the

heaters

160 and 170. , 180) can be operated (1330).

For example, the processor 190 supplies power to the

heaters

160, 170, and 180 in the power circuit 140 based on a difference between the target temperature and the measured temperature of the cooking chamber 20 being equal to or greater than the reference temperature. The power network 200 may be controlled to supply power to the

heaters

160 , 170 , and 180 from the power circuit 140 and the battery 150 .

Operation 1330 may be the same as operation 1040 shown in FIG. 9 .

As described above, the cooking apparatus 1 supplies power to the

heaters

160, 170, and 180 from the power circuit 140 and the battery 150 based on the measured temperature of the cooking chamber 20. can Accordingly, the cooking device 1 can shorten the cooking time in response to a user input.

Together with FIG. 13 , the operation 1400 of the cooking apparatus 1 is described.

The cooking apparatus 1 may operate the

heaters

160 , 170 , and 180 using the power circuit 140 ( 1410 ).

For example, the processor 190 configures the power network 200 to supply power to the

heaters

160, 170, and 180 from the power circuit 140 in order to heat food to be cooked or the cooking chamber 20. The power network 200 may be controlled to supply power to the

heaters

160 , 170 , and 180 from the power circuit 140 and the battery 150 .

The cooking device 1 may identify whether the measured temperature of the cooking chamber 20 is equal to or higher than the target temperature (1420).

Also, the processor 190 may compare the measured temperature with a target temperature based on a user input, and may identify whether the measured temperature of the cooking compartment 20 is equal to or greater than the target temperature.

If the measured temperature is not higher than the target temperature (No in 1420 ), the cooking device 1 may continue to heat the food to be cooked or the cooking chamber 20 .

If the measured temperature is equal to or greater than the target temperature (Yes in S1420), the cooking device 1 may charge the battery 150 using the power circuit 140 (S1430).

For example, the processor 190 may control the power network 200 to stop heating the food to be cooked or the cooking chamber 20 based on the measured temperature being equal to or higher than the target temperature. The processor 190 may open (turn off) the first, second and

third switches

210, 220 and 230 of the power network 200 shown in FIG. The processor 190 opens (turns off) the first, second, third, fourth and

fifth switches

210, 220, 230, 240 and 250 of the power network 200 shown in FIGS. 6 and 7 )can do. Also, the processor 190 may open (turn off) the first, second, and

fifth switches

210, 220, and 250 of the power network 200 shown in FIG. 8 .

Also, the processor 190 may control the power network 200 to charge the battery 150 based on the measured temperature being equal to or greater than the target temperature. The processor 190 may close (turn on) the sixth switch 260 of the power network 200 shown in FIGS. 5, 6, 7, and 8 .

The cooking device 1 may identify whether the measured temperature of the cooking chamber 20 is less than the target temperature (1440).

For example, the processor 190 may identify the measured temperature of the cooking chamber 20 based on the output signal of the temperature sensor 130, and determine whether the measured temperature of the cooking chamber 20 is less than a target temperature. can be identified.

If the measured temperature is not less than the target temperature (No in S1440), the cooking device 1 may continue to stop heating.

If the measured temperature is less than the target temperature (YES in S1440), the cooking apparatus 1 may operate the

heaters

160, 170, and 180 using the power circuit 140 (S1450).

For example, the processor 190 may control the power network 200 to stop charging the battery 150 based on the measured temperature being less than the target temperature. The processor 190 may open (turn off) the sixth switch 260 of the power network 200 shown in FIGS. 5, 6, 7, and 8 .

In addition, the processor 190 controls the power network 200 to supply power to the

heaters

160, 170, and 180 from the power circuit 140 based on the measured temperature being less than the target temperature, or The circuit 140 and the battery 150 may control the power network 200 to supply power to the

heaters

160 , 170 , and 180 . The processor 190 may close (turn on) the first, second and

third switches

210, 220 and 230 of the power network 200 shown in FIG. The processor 190 closes (turns on) the first, second, third, fourth and

fifth switches

210, 220, 230, 240 and 250 of the power network 200 shown in FIGS. 6 and 7. can do. Also, the processor 190 may close (turn on) the first, second, and

fifth switches

210, 220, and 250 of the power network 200 shown in FIG. 8 .

As described above, the cooking device 1 may intermittently charge the battery 150 according to the measured temperature of the cooking chamber 20 .

As a result, power supply using the battery 150 can be increased. In addition, a separate charging time for charging the battery 150 may be shortened.

14 shows a cooking device according to an embodiment. 15 shows a configuration of a cooking device according to an embodiment.

Referring to FIGS. 14 and 15 , the cooking device 300 may include a main body 310 accommodating parts constituting the cooking device 300 .

The main body 310 includes a front panel 311 forming a front surface of the main body 310, a side panel 312 forming a side surface of the main body 310, and a rear surface of the main body 310. It may include a rear panel forming a rear surface and an upper panel 314 forming a top surface of the main body 10 .

The upper panel 314 of the main body 310 is provided with a cooking plate 320 having a flat plate shape on which a cooking vessel can be placed. The cooking plate 320 may be made of a reinforced oil such as ceramic glass so as not to be easily damaged.

A control panel 340 may be provided on a front portion of the top panel 314 . However, the position of the control panel 340 is not limited to the top panel 314, and may be provided in various positions such as the front panel or side panel of the body 310.

An electrical compartment 350 accommodating electric appliances may be provided in the cooking apparatus 300 . For example, the electrical cabinet 350 may be provided below the cooking plate 320 .

Electrical components of the cooking apparatus 300, for example, as shown in FIG. 15 , an input button 410, a display 420, a temperature sensor 430, a power circuit 440, a battery 450, a first A heater 460 , a second heater 470 , a third heater 480 , a power network 200 and/or a processor 490 may be included.

The input button 410 and the display 420 may be provided on the control panel 340 of the top panel 314 .

The input button 410 may obtain a user input related to the operation of the cooking device 300 . For example, the input button 410 obtains a user command (or user input) for operating at least one of the first heater 460, the second heater 470, and/or the third heater 480 from the user. can do. The input button 410 may obtain power levels of the heaters 460, 470, and 480 from the user.

The input button 410 may provide an electrical signal (user input signal) corresponding to a user input (eg, a voltage signal or a current signal) to the processor 490 . The processor 490 may identify the user input based on processing the user input signal.

The input button 410 may include a tact switch, a push switch, a slide switch, a toggle switch, a micro switch, a touch switch, or a dial.

The display 420 may obtain data representing the operation of the cooking device 300 from the processor 490 and display an image representing the operation of the cooking device 300 . For example, the display 420 may display a heater in operation. The display 420 may display the output level of the heater in operation.

The display 420 may include, for example, a Liquid Crystal Display (LCD) panel or a Light Emitting Diode (LED) panel.

The temperature sensor 430 may measure the local temperature of the cooking plate 320 and provide an electrical signal (temperature signal) corresponding to the measured local temperature of the cooking plate 320 to the processor 490. there is. The processor 490 may identify the temperature of the cooking vessel based on processing the temperature signal of the temperature sensor 430 .

The temperature sensor 430 may include, for example, a thermistor whose electrical resistance changes according to temperature.

The power circuit 200 and the battery 450 may provide DC power to the first heater 460 , the second heater 470 , or the third heater 480 .

The power circuit 200 and the battery 450 may be the same as the power circuit 140 and the battery 150 shown in FIG. 4 .

The first heater 460 may include a first driving circuit 461 and a first coil 462 .

The first driving circuit 461 may receive DC power from the power circuit 200 or the battery 450 and convert the DC power into AC power according to a control signal of the processor 490 . The first driving circuit 461 may provide the converted AC power to the first coil 462 . The first driving circuit 461 may include, for example, an inverter.

The first coil 462 may receive AC power and generate an AC magnetic field. For example, when AC current is supplied to the first coil 462, a magnetic field may be induced around the first coil 462. In particular, an alternating magnetic field whose size and direction change with time may be induced around the first coil 462 .

The magnetic field B around the first coil 462 can pass through the tempered glass cooking plate 320 and reach the cooking vessel placed on the cooking plate 320 .

An eddy current rotating around the magnetic field may be generated in the cooking vessel due to the alternating magnetic field. As such, a phenomenon in which eddy currents are generated due to an alternating magnetic field is called an electromagnetic induction phenomenon. Due to the eddy current, heat due to electrical resistance may be generated in the cooking vessel. The cooking container may be heated by the heat caused by the electrical resistance, and the food contained in the cooking container may be heated.

The second heater 470 may include a second driving circuit 471 and a second coil 472, and the third heater 480 may include a third driving circuit 481 and a third coil 482. can do.

The second and third driving circuits 471 and 481 may be substantially the same as the first driving circuit 461 .

Also, the second and third coils 472 and 482 may be substantially the same as the first coil 462 . As shown in FIG. 14 , the first coil 462 may have a different size from the second and third coils 472 and 482 . For example, the first coil 462 may be larger than the second and third coils 472 and 482, and the maximum power of the first coil 462 is greater than the second and third coils 472 and 482. may be greater than the maximum output of

The power network 200 may be electrically connected to the power circuit 440 and/or the battery 450, and may also be electrically connected to the first heater 460, the second heater 470 and/or the third heater 480. can be connected to

The power network 200 supplies power from the power circuit 140 and/or battery 150 to the first heater 160, the second heater 170, and/or the third heater in response to a control signal from the processor 490. (180) can be distributed.

The power network 200 may include a plurality of switches that are closed or opened (turned on or off) in response to a power control signal from the processor 190 .

For example, as shown in FIG. 5 , the power network 200 may include a first switch 210 , a second switch 220 , a third switch 230 and a sixth switch 260 . The operation of the power network 200 may be substantially the same as the operation established with FIG. 5 above.

As another example, the power network 200 includes a first switch 210, a second switch 220, a third switch 230, a fourth switch 240, and a fifth switch 250 as shown in FIG. and a sixth switch 260 . The operation of the power network 200 may be substantially the same as the operation established with FIG. 6 above.

As another example, the power network 200 includes a first switch 210, a second switch 220, a third switch 230, a fourth switch 240, and a fifth switch 250 as shown in FIG. and a sixth switch 260 . In addition, the cooking apparatus 300 may further include a fourth heater and a fifth heater, and an operation of the power network 200 may be substantially the same as that set forth in FIG. 7 .

As another example, the power network 200 may include a first switch 210 , a second switch 220 , a fifth switch 250 and a sixth switch 260 as shown in FIG. 8 . The operation of the power network 200 may be substantially the same as the operation established with FIG. 8 above.

The processor 490 may process an output signal of the input button 410 . Processor 490 may provide a control signal to power network 200 based on processing the output signal.

The processor 490 may include a memory 491 that stores or stores a program (a plurality of instructions) or data for processing an output signal and providing a control signal.

The processor 490 may control operations of the first heater 460 , the second heater 470 , and/or the third heater 480 to heat the cooking vessel according to a user input.

For example, the processor 490 supplies DC power to at least one of the first heater 460, the second heater 470, and the third heater 480 based on a user input for selecting the heater. A control signal may be output to the network 200 .

Also, the processor 490 may output a driving signal to the driving circuit to supply AC power to at least one heater based on a user input for selecting the power of the heater.

The processor 490 may identify expected power consumption of the cooking device 300 based on a user input through the input button 410 . The processor 490 may identify expected power consumption of the cooking device 300 based on the output of the heater selected by the user. The processor 490 may store a lookup table including expected power consumption for each of a plurality of outputs in the memory 491 , and identify the expected power consumption by referring to the lookup table of the memory 491 . The allowable power may be set based on the allowable power of circuit breakers commonly used in homes, and may be set empirically or experimentally.

The processor 490 may compare the expected power consumption with the allowable power.

If the expected power consumption is equal to or greater than the allowable power consumption, the cooking apparatus 300 may operate the heaters 460 , 470 , and 480 using the power circuit 440 . For example, the processor 490 may supply power to the heaters 460, 470, and 480 from the power circuit 440 based on the low power consumption of the cooking device 300 to heat the cooking vessel. The power network 200 can be controlled so that

When the expected power consumption is equal to or greater than the allowable power consumption, the cooking apparatus 300 may operate the heaters 460 , 470 , and 480 using the power circuit 440 and the battery 450 . For example, the processor 490 controls the heaters 460 in the power circuit 440 and the battery 450 based on the fact that the power to be consumed by the cooking device 300 to heat the food to be cooked is equal to or greater than the allowable power. The power network 200 may be controlled to supply power to , 470 and 480 .

As described above, the cooking apparatus 300 supplies power to the heaters 460, 470, and 480 from at least one of the power circuit 440 and/or the battery 450 based on the expected power consumption. can Accordingly, the cooking apparatus 300 may supply power higher than allowable power to the heaters 460 , 470 , and 480 , and cooking time may be shortened.

A cooking device according to an embodiment includes a temperature sensor; a plurality of heaters including a first heater and a second heater; power circuit; battery; a power network electrically connected to a temperature sensor, the first heater, the second heater, the power circuit, and the battery; and a processor electrically coupled with the power network.

The processor controls the power network to supply power to one of the first heater and the second heater in the power circuit, and the power circuit and the battery based on the output signal of the temperature sensor. The power network may be controlled to supply power to the first heater and the second heater.

Accordingly, the cooking device can provide greater power to the first heater and the second heater without the power consumed by the cooking device exceeding the maximum allowable power, and the cooking time by the cooking device can be shortened. there is.

The temperature sensor may be provided inside the chamber or in a duct connected to the chamber.

The processor supplies power to one of the first heater and the second heater in the power circuit based on a difference between the target temperature and the temperature based on the output signal of the temperature sensor being equal to or greater than the reference temperature, and the battery The power network may be controlled to supply power to the other one of the first heater and the second heater.

Accordingly, the cooking device can quickly increase the internal temperature of the chamber when the internal temperature of the chamber is significantly lower than the target temperature, and the cooking time by the cooking device can be shortened.

The processor may supply power to one of the first heater and the second heater in the power circuit based on a difference between the target temperature and the temperature based on the output signal of the temperature sensor being less than the reference temperature. The power network can be controlled.

Accordingly, the cooking device can accurately control the internal temperature of the chamber when the internal temperature of the chamber approaches the target temperature.

The processor supplies power to one of the first heater and the second heater in the power circuit based on the fact that the temperature based on the output signal of the temperature sensor does not reach the target temperature after a user input for heating. and control the power network to supply power to the other one of the first heater and the second heater from the battery.

Accordingly, the cooking device can quickly increase the internal temperature of the chamber during preheating, and the cooking time by the cooking device can be shortened.

The processor controls the power network to supply power to one of the first heater and the second heater in the power circuit based on the temperature based on the output signal of the temperature sensor reaching the target temperature. can do.

The processor may control the power network to supply power to the battery from the power circuit based on a temperature based on an output signal of the temperature sensor being greater than or equal to the target temperature.

Accordingly, the cooking device may charge the battery during cooking and increase the amount of power supplied to the heaters by the battery.

The processor may control the power network to supply power to one of the first heater and the second heater in the power circuit based on a temperature based on an output signal of the temperature sensor being less than the target temperature. there is.

Accordingly, the cooking device may discharge the battery in order to shorten the cooking time.

The processor may control the power network to supply power to the first heater and the second heater from the power circuit and the battery, based on a user input for preheating the chamber.

The processor identifies power consumption for cooking of the cooking device based on a user input for cooking, and the power circuit and the battery determine the power consumption based on a predetermined maximum power of the cooking device. The power network may be controlled to supply power to the first heater and the second heater.

Accordingly, the cooking device may provide greater power to the first heater and the second heater without the power consumed by the cooking device exceeding the maximum allowable power.

The power network may include: a first switch provided between the first heater and the power circuit, allowing or blocking the power circuit from supplying power to the first heater; and a second switch provided between the second heater and the battery to allow or block supply of power from the battery to the first heater.

The power network may include: a third switch provided between the first heater and the battery, allowing or blocking supply of power from the battery to the first heater; and a fourth switch provided between the second heater and the power circuit to allow or block supply of power from the power circuit to the first heater.

The plurality of heaters may further include a third heater provided adjacent to the first heater and a fourth heater provided adjacent to the second heater. The power network may include: a third switch provided between the third heater and the battery, allowing or blocking supply of power from the battery to the third heater; and a fourth switch provided between the fourth heater and the power circuit to allow or block supply of power from the power circuit to the fourth heater.

The power network may further include a fifth switch provided between the power circuit and the battery to enable or block the power circuit from supplying power to the battery.

Meanwhile, the disclosed embodiments may be implemented in the form of a recording medium storing instructions executable by a computer. Instructions may be stored in the form of program codes, and when executed by a processor, create program modules to perform operations of the disclosed embodiments. The recording medium may be implemented as a computer-readable recording medium.

Computer-readable recording media include all types of recording media in which instructions that can be decoded by a computer are stored. For example, there may be read only memory (ROM), random access memory (RAM), magnetic tape, magnetic disk, flash memory, optical data storage device, and the like.

The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-temporary' only means that the storage medium is a tangible device and does not contain signals (e.g., electromagnetic waves), and this term refers to the case where data is stored semi-permanently in the storage medium. It does not discriminate when it is temporarily stored. For example, 'non-temporary storage medium' may include a buffer in which data is temporarily stored.

According to one embodiment, the method according to various embodiments disclosed in this document may be provided by being included in a computer program product. Computer program products may be traded between sellers and buyers as commodities. A computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play Store™) or on two user devices (e.g. It can be distributed (eg downloaded or uploaded) online, directly between smartphones. In the case of online distribution, at least a part of a computer program product (eg, a downloadable app) is stored on a device-readable storage medium such as a memory of a manufacturer's server, an application store server, or a relay server. It can be temporarily stored or created temporarily.

As above, the disclosed embodiments have been described with reference to the accompanying drawings. Those of ordinary skill in the art to which the disclosed embodiments belong will understand that the disclosed embodiments may be implemented in other forms without changing the technical spirit or essential features of the disclosed embodiments. The disclosed embodiments are illustrative and should not be construed as limiting.

Claims

temperature Senser;

a plurality of heaters including a first heater and a second heater;

power circuit;

battery;

a power network electrically connected to a temperature sensor, the first heater, the second heater, the power circuit, and the battery; and

a processor electrically connected to the power network;

the processor,

Controlling the power network to supply power to one of the first heater and the second heater in the power circuit;

Controlling the power network to supply power to the first heater and the second heater from the power circuit and the battery based on the output signal of the temperature sensor.
The method of claim 1, wherein the temperature sensor,

A cooking device provided inside a chamber or in a duct connected to the chamber.
The method of claim 1, wherein the processor,

Based on the fact that the difference between the temperature based on the output signal of the temperature sensor and the target temperature is equal to or greater than the reference temperature, the power circuit supplies power to one of the first heater and the second heater, and the battery supplies power to the first heater. A cooking device that controls the power network to supply power to the other one of the heater and the second heater.
The method of claim 3, wherein the processor,

The power network to supply power to one of the first heater and the second heater in the power circuit based on a difference between the target temperature and the temperature based on the output signal of the temperature sensor being less than the reference temperature. cooking equipment to control.
The method of claim 1, wherein the processor,

Based on the fact that the temperature based on the output signal of the temperature sensor has not reached the target temperature after a user input for heating, the power circuit supplies power to any one of the first heater and the second heater, and in the battery The cooking device controlling the power network to supply power to the other one of the first heater and the second heater.
The method of claim 5, wherein the processor,

Controlling the power network so that the power circuit supplies power to one of the first heater and the second heater based on the fact that the temperature based on the output signal of the temperature sensor reaches the target temperature.
The method of claim 6, wherein the processor,

and controlling the power network to supply power to the battery from the power circuit based on a temperature based on an output signal of the temperature sensor being greater than or equal to the target temperature.
The method of claim 7, wherein the processor,

Controlling the power network to supply power to one of the first heater and the second heater in the power circuit based on a temperature based on an output signal of the temperature sensor being less than the target temperature.
The method of claim 1, wherein the processor,

Controlling the power network to supply power to the first heater and the second heater from the power circuit and the battery, based on a user input for preheating the chamber.
The method of claim 1, wherein the processor,

Identifying power consumption for cooking of the cooking device based on a user input for cooking;

Controlling the power network to supply power from the power circuit and the battery to the first heater and the second heater based on that the power consumption is greater than or equal to a predetermined maximum power of the cooking device.
The method of claim 1, wherein the power network,

a first switch provided between the first heater and the power circuit to allow or block supply of power from the power circuit to the first heater; and

and a second switch provided between the second heater and the battery to allow or block supply of electric power from the battery to the first heater.
12. The method of claim 11, wherein the power network comprises:

a third switch provided between the first heater and the battery and allowing or blocking power supply from the battery to the first heater; and

and a fourth switch provided between the second heater and the power circuit to permit or block supply of power from the power circuit to the first heater.
The method of claim 11, wherein the plurality of heaters,

Further comprising a third heater provided adjacent to the first heater and a fourth heater provided adjacent to the second heater,

The power network,

a third switch provided between the third heater and the battery to allow or block supply of electric power from the battery to the third heater; and

and a fourth switch provided between the fourth heater and the power circuit to permit or block power supply from the power circuit to the fourth heater.
12. The method of claim 11, wherein the power network comprises:

and a fifth switch provided between the power circuit and the battery to allow or block power from the power circuit to supply power to the battery.
In the control method of a cooking apparatus including a plurality of heaters including a first heater and a second heater,

supplying power to one of the first heater and the second heater in a power circuit of the cooking device;

and supplying power to the first heater and the second heater from the power circuit and a battery of the cooking device based on an output signal of a temperature sensor provided in the cooking device.