KR20030066981A - Combined Radio and Cooking Microwave Oven and The Same Control Method - Google Patents

Abstract

PURPOSE: A combined radio and microwave oven and a method for controlling operation of the same are provided to reduce costs by coupling only the radio circuit to the control unit of microwave oven, while achieving improved use convenience. CONSTITUTION: A combined radio and microwave oven comprises a control unit(5) for performing a cooking function and controlling a power of a radio in accordance with the execution of cooking function; a radio circuit(30) connected to the control unit; an operating unit(20) for turning on/off the radio circuit, which performs a combined radio operating and cooking function; and a speaker(31) for outputting voice signals generated from the radio circuit. A method comprises the steps of judging whether a user has selected the function other than the radio function; turning off the radio and performing a cooking function if the function other than the radio function has selected; and performing a radio function if the radio function has selected.

Description

Combined Radio and Cooking Microwave Oven and The Same Control Method

The present invention relates to a microwave oven having a radio function and a control method thereof, and more particularly, to a microwave combined microwave oven that automatically turns off the radio while the cooking function of the microwave oven is used and automatically turns on the radio when cooking is completed.

In general, while housewives are working in the kitchen, the housewife listens to the radio by bringing the radio to the kitchen in order to change the mood of the housewife or to obtain information necessary for the housewife. In this case, there is a hassle to have a separate radio, the Korean Patent Registration No. 1996-0003258 proposed by the applicant (Title: microwave oven with a radio function and its mode control method) equipped with a radio function I have proposed a microwave oven. In the proposed invention, it is provided with a selection key for selecting a separate radio function using a keypad and a display device applied to the microwave oven controller. When the radio mode is selected, the microwave function is turned off and the radio function is mainly focused. If the microwave mode is selected, the radio is turned off and the microwave-oriented operation is performed. In addition, a control key for selecting a frequency modulation method (AM / FM) is provided on the control panel. The power / volume key is used as a volume control key in a radio mode, and as a power level selection key in a microwave mode. Is used as a pre-assigned frequency band selection means in the radio mode, and is used for cooking time and power level selection in the microwave mode, and the selected frequency band and cooking time are displayed on the LCD.

Such a microwave oven with a conventional radio function has a problem of increasing the cost of the product by using an expensive radio dedicated circuit using a digital frequency band selection method, and the operation of the rest of the functions are limited depending on the operation mode selection. Inconvenience occurs, and since only a predetermined frequency band is selected using the numeric keys, there is a problem in that a radio cannot be used because a predetermined frequency cannot be used when using a different frequency according to a region.

Therefore, in order to solve the above problems, the present invention includes an analog radio circuit and an adjusting means for selecting a different frequency according to a region in a controller for controlling a microwave oven, and the microwave function is provided in a radio operating state. If you select it, you can turn off the radio to perform the cooking function of the microwave oven, restore the radio to its original operation state after completion of the cooking function, and provide a radio-compatible microwave oven to perform the radio alarm function to turn on the radio at the scheduled time. For the purpose of

1 is an overall configuration showing a schematic configuration of a microwave oven according to the present invention.

2 is a front view showing the configuration of a control panel of a microwave oven according to an embodiment of the present invention.

3 is a block diagram showing a configuration of a microwave oven according to the present invention.

4a to 4c are flowcharts showing the operation of the microwave oven according to the present invention.

(Explanation of symbols for the main parts of the drawing)

1: microwave oven 3: control panel

5 control unit 10 display unit

20: operation unit 21: microwave operation unit

21a: Knob for setting the cooking time 22: Radio on / off switch

23: volume control knob 24: frequency adjustment knob

26: high frequency output unit 30: radio circuit unit

31: Speaker

In order to achieve the above object, the present invention performs a food cooking function of the microwave oven, the control unit for controlling the radio power in accordance with whether the cooking function; A radio circuit connected to the control unit; A radio operation unit for turning on / off the radio and adjusting radio frequency and volume; And a speaker for outputting a voice signal generated by the radio circuit.

In addition, the present invention provides a method for controlling a radio provided in a microwave oven, comprising: determining whether a user selects a function other than a radio; Turning off the radio and performing a cooking function when a function other than the radio is selected; And performing a radio function when the radio function is selected.

The performing of the cooking function may include determining a radio on / off key input; Turning on the radio port when there is a radio on / off key input; Turning off the radio port if there is no radio on / off key input; Performing a selected cooking function and determining whether an operation is completed; And initializing a cooking-related port and a ram, and the performing of the radio function may include determining whether a radio alarm function is selected; Performing radio when the alarm function is not selected; And performing an alarm function when the alarm function is selected.

In addition, performing the radio may include determining a radio on / off key input; Determining whether the radio port is on when the key is input and whether the flag is on, turning off the flag when the flag is on, and turning on the flag when the flag is off; And determining whether the radio port is on and the flag is on, and turning on the radio port when all are on, and turning off the radio port when not on. The performing of the alarm function includes turning off the radio port. step; Turning on the radio port and turning off the flag; Setting a reservation time and determining whether the reservation time setting is completed; Determining whether the reservation time matches the current time; And turning on the radio port and turning on the flag.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

1 is an overall configuration diagram showing a schematic configuration of a microwave oven according to the present invention. 3) is installed, and a speaker 31 for outputting a voice signal generated from a radio circuit is installed at one lower side of the control panel (3).

2 is a front view showing the configuration of a control panel of a microwave oven according to an embodiment of the present invention, the display unit 10 for displaying the cooking time, the alarm time and the radio frequency on one side of the control panel (3) Is installed, and the operation unit 20 installed below the display unit 10 includes a microwave oven operation unit 21 for selecting or executing a cooking and alarm function of the microwave oven, a switch 22 for turning on / off the radio, and a radio. It consists of a volume control knob 23 for adjusting the volume of the radio frequency control knob 24 for adjusting the frequency of the radio. A speaker 31 for outputting a voice signal generated from a radio circuit is installed below one side of the control panel 3.

In another embodiment of the present invention, it is also possible to use the cooking time input knob 21a and the volume adjusting knob 23 as one knob.

3 is a block diagram showing a configuration of a microwave oven according to the present invention. In FIG. 3, the operation unit 20 selects and executes a cooking function, an alarm function, and a radio function of the microwave oven 1, and the control unit 5 controls an input signal of the operation unit 20 while controlling all functions of the microwave oven. It outputs control signals for controlling food cooking, alarming and radio functions. The display unit 10 displays a signal output from the control unit 5 according to the input signal of the operation unit 20, and the high frequency output unit 26 outputs a high frequency in accordance with the high frequency generation signal output from the control unit 5 Cooking of food is possible, and the radio circuit unit 30 performs a radio function according to the radio on / off signal output from the controller 5.

4 is a flowchart illustrating the operation of a microwave oven according to the present invention. In FIG. 4, in the method of controlling a radio circuit provided in a microwave oven, when the user selects a function other than the radio by determining whether the user selects a function other than the radio when the user uses the microwave (S1), the radio is selected. Determining a radio on / off key input to turn off and performing a cooking function (S2), terminating if there is a radio on / off key input, and turning off a radio port if there is no radio on / off key input (S3) ). After performing the selected cooking function and determining whether the operation is completed, if the cooking function is completed, the step S5 of initializing the cooking-related port and the ram may be performed to determine whether the radio port is on and the flag is on ( S11), if all are on, the radio port is turned on (S12). If not, the radio port is turned off (S13).

Meanwhile, when the radio function is selected in step S1, it is determined whether the radio alarm function is selected (S6), and when the alarm function is not selected, the step of determining the radio on / off key input is performed (S7). If is not input, perform the step S7 again, if a key is input is determined whether the radio port is on and whether the flag is on (S8), if the flag is on (off the flag (S9)), the flag is If it is off, the step of turning on the flag (S10). When the radio port is on and the flag is on (S11), the radio port is turned on when all of them are on (S12). When the radio port is not on, the radio port is turned off.

In step S6, when the alarm function is selected, the radio port is turned off (S14), the radio port is turned on, and the flag is turned off (S15) to set a reservation time and whether the reservation time setting is completed. Determine (S16). When the step S16 is completed, it is determined whether the reservation time and the current time match (S17). If the reservation time and the current time match, the radio port is turned on and the flag is turned on (S18).

As described above, the present invention has the advantage that low cost configuration is possible by combining only the radio circuit to the microwave control unit without using a separate radio control unit, there is an advantage that can select a different broadcast frequency locally, the radio Since the on / off can be controlled by a program, the operation of the radio can be automatically restored according to whether the cooking function is performed, thereby solving the inconvenience of resetting the radio.

In addition, the convenience of using the radio alarm function is improved.

In the above, the present invention has been illustrated and described with respect to certain preferred embodiments. However, the present invention is not limited only to the above-described embodiments, and those skilled in the art to which the present invention pertains may vary without departing from the spirit of the technical idea of the present invention described in the claims below. It will be possible to carry out the change.

Claims (5)

A control unit which performs a food cooking function and controls radio power according to whether the cooking function is performed; A radio circuit connected to the control unit; An operation unit for integrating a radio operation function and a food cooking function to turn on / off the radio circuit and adjust radio frequency and volume; And a speaker for outputting a voice signal generated by the radio circuit. The microwave oven according to claim 1, wherein the control unit further includes an alarm function for turning on the radio at a scheduled time. A method of controlling a radio circuit provided in a microwave oven, Determining whether the user has selected a function other than radio; Turning off the radio and performing a cooking function when a function other than the radio is selected; And When the radio function is selected, a radio-controlled microwave control method comprising the step of performing a radio function. The method of claim 3, wherein the performing of the cooking function comprises: determining a radio on / off key input; Turning off the radio port if there is no radio on / off key input; Performing a selected cooking function and determining whether an operation is completed; And And a step of initializing the cooking-related port and the ram. 4. The method of claim 3, wherein performing the radio function comprises: determining whether a radio alarm function is selected; Determining a radio on / off key input when the alarm function is not selected; Determining whether the radio port is on when the key is input and whether the flag is on, turning off the flag when the flag is on, and turning on the flag when the flag is off; Determining whether the radio port is on and the flag is on and turning on the radio port if all are on, and turning off the radio port if not on; Turning off the radio port when an alarm function is selected; Turning on the radio port and turning off the flag; Setting a reservation time and determining whether the reservation time setting is completed; Determining whether the reservation time matches the current time; And And turning on the radio port and turning on the flag.