KR20060091857A - Control device and method of electric oven range - Google Patents

Abstract

The present invention relates to a control apparatus and method for an electric oven lane that can be controlled in an optimal state of the cooking operation of the top portion and the bottom portion in the electric oven range.

That is, the present invention, in the electric oven range having the first to third heaters, a key input unit for inputting a user request command, a temperature sensing unit for sensing the temperature inside the oven unit, the sensing through the temperature sensing unit A controller for controlling the first to third heaters to be selectively driven in consideration of a current amount according to a preset temperature, and controlling driving of the first to third heaters according to a control signal of the controller It includes a load driving unit.

Therefore, the control apparatus and method of the electric oven range according to the present invention can start the cooking and can perform the desired cooking in a minimum time by controlling the driving of the heater in consideration of the amount of current in the temperature rise period can minimize the power consumption As a result, the user's satisfaction can be improved by obtaining the optimum effect at the minimum time.

Electric Microwave Oven / Heater

Description

Control apparatus and method of electric oven range {Method and apparatus for controlling of (a) electronic oven range}

1 is a perspective view showing a general electric oven range.

Figure 2 is a graph showing a control process of the electric oven range according to the prior art.

Figure 3 is a block diagram showing a control device of the electric oven range according to the present invention.

4 is a flowchart showing a control method of the electric oven range according to the present invention.

5 is a graph showing a control process of the electric oven range according to the present invention.

<Description of Symbols for Major Parts of Drawings>

720: key input unit 730: temperature sensing unit

740: control unit 750: load driving unit

751 to 753: first to third heaters

760: display unit

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oven range, and more particularly, to an apparatus and method for controlling an electric oven lane that enables optimal control of cooking operations in a top portion and a bottom portion in an electric oven range.

In general, the oven range (Oven) is formed in the oven (Oven) for heating the cooking material by dry heat after sealing the cooking material and mainly on the top of the oven, and cooked by directly heating the cooking material on the upper surface Range is combined and integrated into one kitchen appliance, which is divided into gas oven and electric oven range according to the type of heat source.

The gas oven range mainly uses gas as fuel to ignite and burn a plurality of burners, and the electric oven range uses ceramic heaters and sheath heaters, unlike electric ovens, by using electricity. Heater, halogen heater (Halogen heater) such as heating using a variety of heaters.

The electric oven range is heating the outside and the inside of the material at the same time faster cooking speed than the gas oven range, high thermal efficiency, the use of electricity is higher than the gas oven range, the use is increasing trend.

Hereinafter, an electric oven range according to the prior art will be described with reference to the accompanying drawings.

1 is a perspective view showing an electric oven range according to the prior art, Figure 2 is a graph showing the operating state of the electric oven range.

The electric oven range according to the prior art, as shown in Figure 1, the electric oven range 1 is formed in the shape of a hexahedron as a whole.

The electric oven range 1 is formed in the top burner 10 and the upper end of the top burner 10 to cook by placing a container containing food to adjust the operation of the electric oven (1). The control unit 20, the oven burner 30 formed on the lower side of the top burner unit 10 to cook food by tropical flow, and the lower cooker formed on the lower side of the oven unit 30, a simple cooking function or storage Drawer portion 40 that functions is coupled to form an integral.

The top burner unit 10 forms a top of the electric oven range 1, and a plurality of electric burners 12 equipped with a far infrared heater or a halogen heater are formed on the top of the top burner unit 10. do.

In addition, a top surface of the top burner part 10 is formed of ceramic glass 14 that transmits far infrared rays generated from the electric burner 12 to form a top burner part in which the electric burner 12 is formed. The upper surface of 10) is shielded.

The control unit 20 is configured to control the operation of the electric oven range 1 upward from the rear end of the top burner unit 10. The front side of the control unit 20 is formed with a display (Display, 22) that displays the operating state and cooking time, etc. of the electric oven range 1, the user side of the display 22 is the electric oven range A plurality of operation knobs 24 are further provided to enable operation of operation (1).

In addition, an oven unit 30 is formed below the top burner unit 10. The oven unit 30 is selectively shielded by the oven door 50 in an enclosed space for cooking food by heat generated from a plurality of heaters using electricity as a heat source.

The oven unit 30 has a plurality of heaters for heating the food and a convection fan (Convectionfan) for forced convection to help the food is evenly cooked.

In addition, a handle 52 is formed on the front upper portion of the oven door 50 so that the user can easily grip the oven door 50 to open and close the oven door 50, so that the inside of the oven unit 30 can be checked. The front view window 54 formed of heat-resistant glass penetrating the oven door 50 is provided.

On the other hand, the drawer unit 40 formed below the oven unit 30 may be provided with a separate heater to warm the cooked food or to make simple cooking, simply to cook or food necessary for cooking It is formed in the form of a drawer so that it can be stored in the lower portion of the oven 30 is possible to withdraw / enter.

Hereinafter will be described the operation of the vent tube having the configuration as described above.

After the user opens the oven door 50 of the oven unit 30 to put food into the oven unit 30 and then closes the oven door 50 to seal the inside of the oven unit 30. By operating the operation knob 24 formed on one side of the control unit 20 to heat the internal temperature of the oven unit 30 to a desired temperature through a plurality of heaters formed inside the oven unit 30.

In the food that is cooked while being heated in the oven unit 30, a high temperature harmful gas such as carbon monoxide is formed to fill the inside of the oven unit 30, and the high temperature harmful gas is at one end of the oven unit. 30 through the vent tube 32 in communication with one side, the rear of the top burner unit 10 and the gap formed by the lower end of the control unit 20 are guided.

High temperature harmful gas induced to the other end of the vent tube 32 is discharged downward from the gap between the lower end of the control unit 20 by the shape of the vent tube 32 bent in a substantially '∩' shape to the oven portion. (30) The harmful gas inside is exhausted to the outside.

As described above, the electric oven range according to the related art is controlled by a plurality of heaters. As illustrated in FIG. 2, the inner heater repeats on / off at 1700 W, and the out heater is 1100 W. The on / off repeats, and the bottom heater repeats on / off at 1750W.

That is, when the inner heater is turned on for a preset time (10 seconds) and then has an off time, the out heater has a time when the inner heater is turned off and a preset time (2 seconds). It can be seen that during the preset time (50 seconds) after overlapping to prevent the transient current.

In addition, the bottom heater is turned off after maintaining the on state for about three times longer than the inner heater is turned on, and is simultaneously turned on when the inner heater is turned on again. It can be seen that the state.

Then, the oven lamp (not shown) is switched to the off state after maintaining only the initial set time, the blow fan (not shown) is switched to the on state when the oven internal temperature is above the preset temperature (100 degrees). do.

Therefore, the electric oven range according to the prior art as described above using only the pre-stored table as the inner (out) heater, the out (out) heater, the bottom (bottom) heater always on / off only at the same cycle. By controlling, there was a time when it was impossible to cope with fluctuations or abnormalities in the oven.

Therefore, the time required for cooking even for the same dish is long, and there is a problem in that power consumption is increased.

In order to solve such a problem, an object of the present invention is to be able to cook the electric oven in the shortest time with the optimum time.

An apparatus for controlling an electric oven range according to the present invention for achieving the above object includes a key input unit for inputting a user request command and an internal temperature of the oven unit in an electric oven range having first to third heaters. A controller for controlling the first to third heaters to be selectively driven in consideration of a current amount according to a preset temperature, and a temperature detected by the temperature detector, and a control signal of the controller. Accordingly, it is configured to include a load driver for controlling the driving of the first to third heaters, which is characterized.

Preferably, the control unit calculates the initial on time of the first to third heaters by a preset equation, and the preset temperature is set by the first to third heaters according to whether a preset temperature is detected through the temperature sensing unit. Its characteristics are in controlling the on time of the.

More preferably, the first to third heaters are alternately heated in accordance with a control signal of the controller to drive to reach a preset temperature.

Hereinafter, an apparatus and method for controlling an electric oven range according to the present invention will be described in detail with reference to the accompanying drawings.

3 is a block diagram showing a control apparatus of the electric oven range according to the present invention, Figure 4 is a flow chart showing a control method of the electric oven range according to the present invention.

As shown in FIG. 3, the control apparatus of the electric oven range according to the present invention includes a key input unit 720 for inputting a user request command, a temperature sensing unit 730 for detecting an internal temperature of the oven unit, Control unit 740 that controls the temperature detected by the temperature sensing unit 730 to selectively drive the first to third heaters (751) (752) (753) in consideration of the amount of current in accordance with a predetermined temperature. ), A load driver 750 for controlling driving of the first to third heaters 751, 752, and 753 according to a control signal of the controller 740, and a control signal of the controller 740. Accordingly, the display unit 760 is configured to display an operation state and the like.

Referring to the control device operation of the electric oven range according to the present invention configured as described above are as follows.

When the user inputs a power-on command through the key input unit 720 and selects a desired cooking course, the control unit 740 controls the load driving unit 750 to perform a corresponding cooking according to the cooking course selected by the user. Print the command.

In addition, the controller 740 calculates the initial on time of the first to third heaters 751, 752 and 753 by the following equation, and the on time is varied according to whether or not the preset set temperature is reached. To control.

Inner Heater On Time = (0.1 × (Set Temperature / 3)) × 0.9

Second Heater On Time = (0.53 × (Set Temperature / 3))

Bottom Heater On Time = (0.03 × Set Temperature)

That is, the on time of each of the first to third heaters may be set through Equations 1 to 3, and the cooking time may be added / decreased according to the set temperature to maintain the set temperature.

Therefore, as shown in FIG. 5, unlike the prior art shown in FIG. 2, the driving time of the first to third heaters 751, 752 and 753 is sensed by the set temperature and accordingly, respectively. The on time can be set differently.

As described above, by applying the on time calculated by Equations 1 to 3, the first heater 751 is initially switched from the off state to the on state after a set time has elapsed. The second heater 752 may be driven first, and the on time of the third heater 753 may be shortened.

The control method of the electric oven range according to the present invention configured as described above will be described with reference to FIG. 4. First, a user inputs a power on command and selects a desired course (S101 to S102).

Then, cooking is started according to the selected course (S103).

Subsequently, the driving of the plurality of first to third heaters is selectively controlled according to the preset temperature (S104).

Finally, when the cooking is completed (S105).

As described above, the first to third heaters are alternately heated to reach a preset temperature, and according to the preset temperature of each of the first to third heaters according to a preset formula to use the optimal amount of power in the home. Since the on time of the first to third heaters can be varied, the first to third heaters are controlled simultaneously or alternately.

As described above, the control apparatus and method of the electric oven range according to the present invention has the following effects.

First, the cooking is started and the desired cooking can be performed in a minimum time by controlling the driving of the heater in consideration of the amount of current in the temperature rise section.

Second, you can minimize the amount of power consumed because you can cook the dishes you want in a minimum amount of time.

Third, the user's satisfaction can be improved by obtaining the optimum effect in the minimum time.

Claims (3)

In the electric oven range with the first to third heaters, A key input unit for inputting a user request command; A temperature sensing unit for sensing an internal temperature of the oven unit; A controller configured to control the first to third heaters to be selectively driven in consideration of the amount of current according to a preset temperature according to a temperature detected by the temperature sensing unit; And, And a load driver for controlling driving of the first to third heaters according to the control signal of the controller. The method of claim 1, The controller calculates an initial on time of the first to third heaters by a preset equation, and according to whether a preset temperature is sensed through the temperature sensing unit, the preset temperature is turned on of the first to third heaters. Electric oven range control device, characterized in that to control the time. The method of claim 1, And the first to third heaters are driven to alternately heat according to a control signal of the controller to drive to reach a preset temperature.

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