KR20090106075A - Cooker and method for controlling the same - Google Patents

Abstract

PURPOSE: A cooker and a method for controlling the same are provided to cook food based on the cooking temperature which is set up in advance by being equipped with a plurality of heating sources. CONSTITUTION: A cooker comprises a plurality of heating sources, an input unit(60), and a controller(70). The heating source heats the food in a cavity(1). The input unit is inputted with the number of the heating sources driving for heating food in the cavity and the driving temperature of the heating source. The controller controls the heating source to be driven at the preset driving temperature when the actuating time of the heating source driving at the driving temperature passes the preset standard time. The preset driving temperature is set up as 70% of the maximum driving temperature of the heating source. The standard time set up as 10 minute unit.

Description

Cooker and method for controlling the same}

The present invention relates to a cooking appliance, and more particularly, to a cooking appliance having a plurality of heating sources and a control method thereof.

A cooking appliance is a home appliance that cooks food using electricity or gas. The cooking apparatus is provided with a heating source for heating food, such as an electric component such as a magnetron for generating microwaves, a heater for generating heater heat, and a convection device for circulating high temperature air. One or more of these heating sources are driven at the same time to cook food that is seated inside the cooking chamber.

Looking at the cooking process of the food by such a cooking apparatus, one or more heating sources are driven at the driving temperature input by the user so that the internal temperature of the cooking chamber maintains a preset cooking temperature. However, in the case of cooking food using a plurality of heating sources, when each heating source is driven at the driving temperature, since the heat of each heating source is substantially supplied to the inside of the cooking chamber, the internal temperature of the cooking chamber may be low. The food may be overheated beyond the set cooking temperature.

The present invention is to solve the problems according to the prior art as described above, an object of the present invention is to provide a cooking apparatus for precisely cooking food according to a preset cooking temperature using a plurality of heating sources and a control method thereof. It is.

According to an embodiment of the present invention for achieving the above object, the present invention comprises a plurality of heating sources for heating food in the cooking chamber; An input unit configured to receive the number of the heating sources and the driving temperature of the heating sources to drive the food in the cooking chamber; And when the input unit receives an operation signal for driving a plurality of the heating sources at a driving temperature higher than a predetermined reference temperature, when the driving time of the heating source driving at the driving temperature passes a predetermined reference time. The circle is controlled to be driven at the preset set driving temperature.

According to another embodiment of the present invention, a plurality of heating sources for heating food in the cooking chamber; An input unit configured to receive the number of the heating sources and the driving temperature of the heating sources to drive the food in the cooking chamber; And when the input unit receives an operation signal for driving a plurality of the heating sources at a driving temperature equal to or greater than a predetermined reference temperature, when the driving time of the heating source driving at the driving temperature passes the predetermined first reference time. When the heating source is driven at the first preset driving temperature and the driving time of the heating source for driving at the first preset driving temperature passes the second preset reference time, the heating source is preset second preset driving. A control unit controlling to be driven at a temperature; It includes.

According to another embodiment of the invention, the present invention (A) the control unit, the step of determining the number of heating source to drive among the plurality of heating source; (B) determining, by the controller, whether the driving temperature of the heating source is equal to or higher than a predetermined reference temperature when it is determined in step (A) that a plurality of the heating sources are driven; And (C) if the driving temperature is greater than or equal to the reference temperature in step (B), the control unit determines whether the heating source is the driving temperature according to whether or not the driving time of the heating source has passed a predetermined reference time. Or controlling to be driven at a predetermined set driving temperature; It includes.

According to the present invention, there is an advantage that food can be efficiently cooked using a plurality of heating sources at the same time.

Hereinafter, with reference to the accompanying drawings an embodiment of a cooking appliance according to the present invention will be described in detail.

1 is a configuration diagram schematically showing an embodiment of a cooking appliance according to the present invention.

Referring to FIG. 1, in the present embodiment, as the heating source for cooking food in the cooking chamber 1, the magnetron 10, the upper heater 20, the bottom heater 30, and the convection device 40 are provided. Used.

The magnetron 10 oscillates the microwave for cooking food in the cooking chamber (1). The upper heater 20 and the bottom heater 30 generate heater heat for cooking food in the cooking chamber 1. The heater heat of the upper heater 20 and the bottom heater 30 radiates heat of food in the cooking chamber 1. For example, a halogen heater may be used as the upper heater 20, and a siege heater may be used as the bottom heater 30. In addition, the convection device 40 circulates hot air into the cooking chamber 1 to heat convection of the food in the cooking chamber 1.

In addition, the cooking chamber 1 is provided with a temperature sensor 50. The temperature sensor 50 detects a temperature inside the cooking chamber 1.

In addition, the input unit 60 receives an operation signal for cooking food in the cooking chamber 1. More specifically, the input unit 60, the number of the heating source to be used for cooking food in the cooking chamber 1, that is, the magnetron 10, the upper heater 20, the bottom heater 30 and An operation signal for selecting any one or two or more of the convection device 40 is received. In addition, the input unit 60 receives a driving temperature for driving the heating source used for cooking food in the cooking chamber 1. The input unit 60 receives the driving temperature at a temperature or a predetermined driving level for each step as shown in Table 1 below.

operating level temperature (° F) One 300 2 310 3 320 4 330 5 340 6 350 7 375 8 400 9 425 10 450

And the control unit 70 controls the operation of the heating source. In detail, the controller 70 may be any one of the magnetron 10, the upper heater 20, the bottom heater 30, and the convection device 40 according to an operation signal input by the input unit 60. Or two or more are controlled to be driven. In addition, the controller 70 controls the heating source to be driven at the driving temperature when only one of the heating sources is driven, and when the two or more of the heating sources are driven, the predetermined driving temperature is preset. The heating source is controlled to be driven at the driving temperature or a predetermined predetermined temperature (hereinafter referred to as a 'setting driving temperature') according to whether or not the temperature is equal to or higher than the reference temperature (hereinafter referred to as 'reference temperature').

In other words, the control unit 70 controls to be driven at the driving temperature when two or more of the heating sources are driven. When the driving temperature is equal to or higher than the reference temperature, when the driving time of the heating source driven at the driving temperature passes a predetermined time (hereinafter referred to as 'reference time'), the controller 70 The heating source is controlled to be driven to the set driving temperature.

For example, the reference temperature may be set to 450 ° F, which is the maximum driving temperature at which the heating source can be driven, that is, 315 ° F, which is 70% of the driving level 10. The reference time may include first and second reference times, the first reference time may be set to 10 minutes, and the second reference time may be set to 20 minutes. In addition, the set driving temperature includes first and second set driving temperatures set to 315 ° F or 225 ° F, which are respectively 70% or 50% of the maximum drive temperature.

More specifically, when the driving temperature input by the input unit 60 is greater than or equal to the reference temperature, the controller 70 controls the heating source to be driven at the driving temperature input by the input unit 60. When the driving time of the heating source driven to the driving temperature passes the first reference time, the controller 70 controls the heating source to be driven to the first predetermined driving temperature. When the driving time of the heating source driven to the second set driving temperature passes the second reference time, the controller 70 controls the heating source to be driven to the second set driving temperature.

Hereinafter, with reference to the accompanying drawings an embodiment of a cooking apparatus control method according to the present invention will be described in more detail.

2 is a control flowchart showing an embodiment of a cooking apparatus control method according to the present invention.

Referring to FIG. 2, first, the input unit 60 receives an operation signal, that is, the number of heating sources to drive and the temperature at which the heating sources are driven, that is, the driving temperature. In operation S13, it is determined whether the input unit 60 receives an operation signal for driving two or more heating sources.

When it is determined in step S13 that the input unit 60 receives an operation signal for driving a plurality of heating sources, the controller 70 determines whether the driving temperature is equal to or higher than a reference temperature. If it is determined in step S15 that the driving temperature input by the input unit 60 is greater than or equal to the reference temperature, the control unit 70 controls the heating source to be driven to the driving temperature.

Meanwhile, when the heating source is driven at the driving temperature in step S17, the controller 70 determines whether the driving time of the heating source driving at the driving temperature has passed a first reference time. If it is determined in step S19 that the driving time of the heating source driving at the driving temperature has passed the first reference time, the controller 70 controls the heating source to be driven at the first predetermined driving temperature. (S21)

In addition, the control unit 70 determines whether or not the driving time of the heating source driving at the first set temperature has passed a second reference time in step S17. (S23) And the control unit 70, If it is determined that the driving time of the heating source driven to the first set temperature has passed the second reference time, the heating source is controlled to be driven to the second set driving temperature.

Next, the control unit 70 determines whether cooking of food is completed. (S27) Completion of cooking of food in step S19 is based on an operation signal input by the input unit 60 in step S11. Thus it can be completed or forced by the user. If it is determined that cooking of the food is completed in step S27, the control unit 70 controls the heating source to be stopped.

On the other hand, it is determined in step S13 that the input unit 60 receives an operation signal for driving one heating source, or in step S15, the driving temperature input by the input unit 60 is determined to be less than the reference temperature. In this case, the control unit 70 controls the heating source to be driven at the driving temperature. (S31) The control unit 70 determines whether cooking of food is completed, and accordingly the heating source is stopped. (S33) (S29).

Within the scope of the basic technical spirit of the present invention as well as many other modifications are possible to those skilled in the art, the scope of the present invention should be interpreted based on the appended claims. .

In the above-described embodiment, the heating source includes, but is not necessarily limited to, the magnetron, the upper heater, the bottom heater, and the convection device. For example, the heating source may include two or three of the magnetron, the upper heater, the bottom heater, and the convection device.

Further, in the above-described embodiment, the reference time and the set driving temperature include the first and second reference time, the second and the second set driving time, respectively, but the reference time and the set driving temperature include three or more values. can do. In other words, the control unit may control the heating source to be driven at three or more set driving temperatures depending on whether three or more reference times have elapsed.

According to the cooking apparatus and the control method according to the present invention configured as described above, when cooking the food using a plurality of heating sources, if the driving temperature for driving the heating source input by the user is a predetermined temperature or more The heating source is driven at a predetermined driving temperature which is set to a temperature lower than the driving temperature by a predetermined temperature depending on whether the driving time of the heating source has passed a predetermined reference time. Therefore, according to the present invention, when cooking food by driving a plurality of heating sources, the internal temperature of the cooking chamber maintains a preset cooking temperature corresponding to the driving temperature input by the user, so that food is not overheated and the preset cooking is performed. The effect of cooking accurately with temperature can be expected.

1 is a configuration diagram schematically showing an embodiment of a cooking appliance according to the present invention.

Figure 2 is a control flow diagram showing an embodiment of a cooking apparatus control method according to the present invention.

Claims (18)

A plurality of heating sources for heating food in the cooking chamber; An input unit configured to receive the number of the heating sources and the driving temperature of the heating sources to drive the food in the cooking chamber; And When the input unit receives an operation signal for driving a plurality of the heating sources at a driving temperature equal to or greater than a predetermined reference temperature, when the driving time of the heating source driving at the driving temperature passes a predetermined reference time, the heating source. A control unit controlling to be driven at the predetermined set driving temperature; Cooking appliance comprising a. The method of claim 1, The set driving temperature is set to 70% of the maximum driving temperature of the heating source. A plurality of heating sources for heating food in the cooking chamber; An input unit configured to receive the number of the heating sources and the driving temperature of the heating sources to drive the food in the cooking chamber; And When the input unit receives an operation signal for driving a plurality of the heating sources at a driving temperature equal to or higher than a predetermined reference temperature, when the driving time of the heating source driving at the driving temperature passes a predetermined first reference time, When the heating source is driven to the preset first preset driving temperature, and the driving time of the heating source to be driven to the first preset driving temperature passes the second preset reference time, the heating source is preset second preset driving temperature. A control unit controlling to be driven by; Cooking appliance comprising a. The method of claim 3, wherein The first set driving temperature is set to 70% of the maximum driving temperature of the heating source, The second preset driving temperature is set to 50% of the maximum driving temperature of the heating source. The method according to claim 1 or 3, And the reference temperature is set to 70% of the maximum driving temperature of the heating source. The method according to claim 1 or 3, The reference time is cooked in 10 minutes. The method according to claim 1 or 3, The heating source, cooking apparatus including at least two or more of the magnetron, the upper heater, the bottom heater and the convection device. The method of claim 7, wherein And the control unit determines that a plurality of the heating sources are driven when the input unit receives an operation signal for driving at least the upper heater, the bottom heater, and the convection device among the heating sources. (A) the control unit, determining the number of heating sources to drive among the plurality of heating sources; (B) determining, by the controller, whether the driving temperature of the heating source is equal to or higher than a predetermined reference temperature when it is determined in step (A) that a plurality of the heating sources are driven; And (C) If the control unit determines that the driving temperature is greater than or equal to the reference temperature in the step (B), the heating source is the driving temperature or not depending on whether or not the driving time of the heating source has passed a predetermined reference time. Controlling to be driven at a predetermined set driving temperature; Cooking apparatus control method comprising a. The method of claim 9, In the step (A), And the controller is configured to determine that at least one of the heating source is driven when at least one of the magnetron, the upper heater, the bottom heater, and the convection device is driven. The method of claim 9, In the step (B), And the reference temperature is set to 70% of the maximum driving temperature of the heating source. The method of claim 9, In the step (B), And the reference temperature is set to 315 ° F. The method of claim 9, Step (C) is (C1) controlling, by the control unit, the heating source to be driven at the driving temperature for a predetermined reference time; (C2) controlling, by the controller, the heating source to be driven at the set driving temperature; Cooking apparatus control method comprising a. The method of claim 9, Step (C) is (C1) controlling, by the control unit, the heating source to be driven to the driving temperature; (C2) determining, by the controller, whether the driving time of the heating source driving at the composition temperature has passed a predetermined reference time in the step (C1); And (C3) controlling, by the control unit, to drive the heating source to the set driving temperature when the driving time of the heating source driving to the driving temperature in the step (C2) passes a preset reference time; Cooking apparatus control method comprising a The method according to claim 13 or 14, Step (C) is a cooking appliance control method that is repeated at least one or more times. The method of claim 9, In the step (C), The control unit may determine that the heating source is excluded when it is determined that one of the heating sources is driven in step (A) or when the driving temperature is determined to be equal to or greater than the reference temperature in step (B). Cooking apparatus control method for controlling to be driven to the drive temperature. The method of claim 9, In the step (C), The reference time is cooker control method is set in units of 10 minutes. The method of claim 9, In the step (C), The set reference temperature is, A first set reference temperature set to 70% of the maximum drive temperature of the heating source; And A second set reference temperature set to 50% of the maximum driving temperature of the heating source; Cooking apparatus control method comprising a.

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