KR20000009384A - Tone controller of microwave oven and control method - Google Patents

Abstract

PURPOSE: A controller and a control method of the tone of a microwave oven are provided to make a user record his favorite sound freely and to make the user recognize the operation situation which the tone indicates. CONSTITUTION: The tone controller of a microwave oven is installed by the units:a key input unit(40); a speaker(50); a sound processing unit(60); a sensor unit(70); a control unit(80); a magnetron driving unit(90); a magnetron(100); and a data storing unit(110);:Herein, the sound processing unit converts the tone data corresponding to the sound being input via the speaker as well as outputs the input sound by the sound which is corresponding to the tone data via the speaker.

Description

Microwave Beep Control System and Method

The present invention relates to a beep control device and method of a microwave oven, and more particularly, to a beep control device and method of a microwave oven can be used to record the sound of the signal freely.

In general, a microwave oven is a cooking apparatus that generates microwaves by a high voltage and cooks food by dielectric heating action of the microwaves.

The microwave oven may include a key input unit including a plurality of selection keys for inputting a cooking course, a sensor unit including a plurality of sensors for sensing a weight and quantity of food, a cooking progress state, and the key. A control unit for generating a control signal for controlling the cooking operation according to the cooking course input through the input unit, the weight and quantity of the food detected through the sensor unit, and the cooking progress, and applying a high voltage according to the control signal of the control unit. A magnetron driver for driving the magnetron by applying it to a magnetron, a magnetron for oscillating microwaves by a high voltage applied from the magnetron driver, and a beep generator for outputting a predetermined signal sound according to the operation state of the microwave oven. do.

The operation process of the microwave oven configured as described above is as follows.

First, when a user inputs a cooking course (for example, warming, frozen food, thawed cooking, cooking steel / weak, reservation time, type of food, etc.) by operating a selection key of a key input unit, the control unit inputs the user. According to one cooking course, a control signal for generating microwaves is applied to the magnetron driver.

In response to a control signal from the controller, a power supply voltage input from the outside is converted into a high voltage level (for example, about 2 [KV]) suitable for oscillation of the microwave through the magnetron driver, and is applied to the magnetron, and is applied from the magnetron driver. Microwaves are oscillated from the magnetron by the high voltage.

Microwaves oscillated from the magnetron are guided to the cooking chamber through the waveguide, and food in the cooking chamber is heated and cooked by the microwaves guided from the magnetron to the cooking chamber via the waveguide.

At this time, the weight and quantity of food in the cooking chamber and the cooking progress status are sensed by sensors of the sensor unit (for example, a weight sensor, an infrared sensor, and a gas sensor), and a corresponding detection signal is applied to the controller.

The control unit detects the weight and quantity of the food and the cooking progress by the sensing signal applied from the sensor unit to determine the cooking time and the end of cooking, and controls the driving of the magnetron according to the determination result, thereby completing the cooking. At this point in time, a control signal for stopping driving of the magnetron is output to the magnetron driver.

Here, according to the operation of each component of the microwave oven, a predetermined sound signal is generated through the signal sound generator under control of the controller.

For example, an operation sound for operating the selection key of the key input unit, a signal for notifying when the food is turned over during cooking, that is, a turnover time signal, and a cooking end sound for when cooking is finished are output.

However, the conventional microwave oven as described above has a problem in that each signal sound output through the signal sound generator is composed of a simple melody, and thus it is not easy to distinguish from each other.

Therefore, the present invention has been made to solve the above problems of the prior art, by allowing the user to freely record the desired sound and to use the recorded sound as a signal sound, it is easy to distinguish between the signal sound and the user has a sound signal The present invention relates to a beep control device and method of a microwave oven, which can easily recognize an instructing operation state.

Microwave oven sound signal control apparatus according to the present invention for achieving the above object, a signal sound input and output device for inputting and outputting the sound signal, and converts the sound input through the signal sound input and output device to the corresponding signal sound data and the sound signal The voice signal processing unit converts the data into a corresponding sound through the signal sound input / output device, and stores the signal sound data converted by the voice signal processing unit in a data storage unit, and the sound signal data stored according to the operation state of the microwave oven. And a control unit for reading from the data storage unit and outputting the data to the voice signal processing unit.

In accordance with an aspect of the present invention, there is provided a method for controlling a beep of a microwave oven, comprising: an input step of inputting a desired sound by a user, a data storage step of converting and storing the sound input from the input step into beep data; According to the operation of the microwave is characterized in that consisting of the sound signal reproduction step of converting the stored sound signal data to the corresponding sound output.

1 is a perspective view showing the appearance of a microwave oven to which the present invention is applied;

Figure 2 is a schematic block diagram showing a beep control device of a microwave oven according to a preferred embodiment of the present invention,

FIG. 3 is a flowchart for describing an operation process of the controller illustrated in FIG. 2.

<Explanation of symbols for the main parts of the drawings>

40: key input section 41: signal recording mode selection key

42: Record item selection key 43: Record key

50: speaker 60: voice signal processing unit

80: control unit 110: data storage unit

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing the appearance of a microwave oven to which the present invention is applied, and as can be seen from the same drawing, the appearance of a microwave oven to which the present invention is applied includes a body portion 10 and the body portion 10. A cooking chamber 20 formed inside to cook food, a door 30 on one side of which is rotatably installed on the front surface of the body 10 so as to open and close the cooking chamber 20, and a hinge; Beep mode selection key 41 for selecting the beep recording mode, recording item selection key 42 for selecting the recording item, and recording key 43 for operating the sound recording, a plurality of inputs for cooking course, etc. Key input unit 40 including a selection key of the, and a speaker 50 for inputting the sound signal for recording and output the recorded signal sound.

FIG. 2 is a schematic block diagram showing a microwave signal tonic control device according to a preferred embodiment of the present invention. The microwave signal tone control device according to the present invention includes a key input unit 40 and a speaker 50. The voice signal processor 60, the sensor 70, the controller 80, the magnetron driver 90, the magnetron 100, and the data storage 110 are configured.

In FIG. 2, the voice signal processor 60 converts a sound input through the speaker 50 into signal sound data corresponding thereto, and outputs the sound corresponding to the signal sound data through the speaker 50.

In addition, the sensor unit 70 includes a plurality of sensors (for example, a weight sensor, an infrared sensor, a gas sensor, etc.) for detecting the weight and quantity of the food and the cooking progress, and detecting the plurality of sensors. The value is converted into a corresponding sensing signal and input to the controller 80.

The controller 80 stores the signal sound signal data converted through the voice signal processor 60 in the data storage unit 110 and stores the signal sound data corresponding to the operation state of the microwave oven. Is read out and output to the voice signal processing unit 60.

In addition, the magnetron driver 90 is driven by applying a high voltage to the magnetron 90 according to a control signal applied from the controller 80, the magnetron 90 is a microwave by a high voltage applied from the magnetron driver 90. Oscillate.

The data storage unit 110 stores the beep data applied from the control unit 80, and reads the beep data of the corresponding address according to the control signal of the control unit 80 and applies it to the control unit 80.

An operation process of the present invention configured as described above will be described with reference to FIGS.

First, when a power supply voltage is applied from the outside to the microwave oven, each component of the microwave oven including the controller 80 is initialized (S10).

At this time, when the user operates the signal sound recording mode selection key 41 of the key input unit 40 to select the signal sound recording mode, the corresponding key signal is input from the key input unit 40 to the controller 80 (S20).

By the key signal input from the key input unit 40, the controller 80 is switched to the mode for recording the beep.

Then, when the user operates the recording item selection key 42 to select a recording item (for example, a turnover signal, a cooking end signal sound, an error occurrence signal sound, etc.) (S30), the corresponding key signal is a key input unit ( 40 is input to the control unit 80, the control unit 80 determines the recording item selected by the user by the key signal from the key input unit 40.

Then, when the user inputs a sound (for example, the user's upbringing or music, etc.) through the speaker 50 while pressing the recording key 43 (S40a), the recording key (40) is input from the key input unit 40. The key signal according to the operation of 43 is input to the control unit 80, and the control unit 80 controls the data to convert the sound input through the speaker 50 by the key signal from the key input unit 40. Is applied to the voice signal processor 60 (S40b).

The sound input through the speaker 50 is converted into data through the voice signal processor 60 by the control signal from the controller 80 and input to the controller 80 (S40c).

For example, an analog signal input through the speaker 50 is converted into digital tone data.

Then, when the user completes the input of the sound and releases the pressing state of the recording key 43, that is, releases the finger from the recording key 43, the corresponding key signal is transmitted from the key input unit 40 to the controller 80. In response to the key signal from the key input unit 40, the controller 80 stops output of the control signal applied to the voice signal processing unit 60 to convert the sound input through the speaker 50. (S40d).

In addition, the controller 80 stores the signal sound data input from the voice signal processor 60 in the data storage 110 by designating an address corresponding to the recording item selected in the step S30 (S50).

At this time, when the user wants to record a sound to another recording item, the user operates the recording item selection key 42 again as in steps S30 to S40 to select another recording item, and then operates the recording key 43. When the sound is recorded through the speaker 50, the sound is recorded in another recording item, and in the case of re-recording the already recorded sound, by operating the recording key 43 again as in step S40, the speaker If you input sound again through 50, the sound is re-recorded.

Next, the controller 80 determines whether the recording is completed by the key signal from the key input unit 40 (S60). When the recording is completed, when the user operates the recording mode selection key 41 again, The corresponding key signal is input from the key input unit 40 to the control unit 80, and the control unit 80 determines that recording is completed by the key signal from the key input unit 40, and switches to the cooking mode for cooking. .

At this time, the user operates the selection key of the key input unit 40 to select a cooking course (for example, manual cooking, automatic cooking, warming, frozen food, thawing cooking, cooking steel / weak, reservation time, type of food, etc.). If it is selected (S70), the corresponding key signal from the key input unit 40 is input to the control unit 80, the control unit 80 by the key signal input from the key input unit 40, the cooking course selected by the user In accordance with the control signal for generating a microwave is applied to the magnetron driving unit 90 (S80a).

The power supply voltage input from the outside by the control signal from the control unit 80 is transformed to a high voltage level (for example, about 2 [KV]) suitable for oscillation of the microwave through the magnetron driving unit 90, so that the magnetron 100 The microwave is oscillated from the magnetron 100 by the high voltage applied to the magnetron driver 90.

Microwaves oscillated by the magnetron 100 are guided to the cooking chamber 20 through the waveguide, not shown, and the food in the cooking chamber 20 by the microwaves guided from the magnetron 100 to the cooking chamber 20 through the waveguide. This is cooked by heating.

Here, the weight and quantity of food in the cooking chamber 20 and the cooking progress are detected by the sensors of the sensor unit 70 (for example, a weight sensor, an infrared sensor, a gas sensor, etc.), and a corresponding detection signal is detected. It is applied to the control unit 80 (S80b).

The control unit 80 detects the weight and quantity of food and the cooking progress by the sensing signal applied from the sensor unit 70 to determine the cooking time and the end of cooking, and the magnetron 100 according to the determination result. ) Is controlled (S80c).

At this time, the control unit 80 reads out the sound signal data corresponding to the recording item corresponding to each cooking situation (for example, the turnover of the food, that is, the sound indicating the turnover, etc.) from the data storage unit 110, and generates a voice. The sound signal processing unit 60 converts the signal sound data applied from the control unit 80 into a corresponding sound signal through the speaker 50 and outputs the signal sound (S90).

Then, when the end of cooking, the control unit 80 outputs a control signal for stopping the driving of the magnetron 100 to the magnetron driving unit 90 (S100), while the sound signal data corresponding to the recording item at the end of cooking Read out from the data storage unit 11 and apply to the voice signal processing unit 60, the voice signal processing unit 60 corresponding to the sound signal data at the end of cooking applied from the control unit 80 through the speaker 50 The signal is converted into a signal sound and output (S110).

That is, the termination sound of the sound recorded by the user from the speaker 50 is output.

As described above, the present invention can freely record a user's desired sound and use it as various signal sounds according to the operation state of the microwave, so that it is easy to distinguish between the signal sounds and the user easily recognizes the operation condition indicated by the signal sound. There is an effect that the use of the microwave can be convenient.

In addition, according to the present invention, when the initial beeper recorded at the time of product shipment is unsatisfactory or the sound of the recorded beep sounds tired, the beeper can be freely changed to another sound so that the user can feel free to use the sound. Has the effect of inspiring.

Claims (3)

In the microwave, A signal sound input / output device for inputting and outputting a signal sound; A voice signal processing unit for converting the sound input through the signal input / output device into corresponding sound signal data, and converting the signal sound data into the corresponding sound through the signal input / output device; And a control unit for storing the sound signal data converted by the voice signal processor and reading the stored sound signal data from the data storage unit and outputting the stored sound signal data to the voice signal processor. Microwave beep control device. In the microwave, An input step of inputting a user desired sound, A data storage step of converting and storing the sound input in the input step into signal sound data; 10. A method for controlling a beep of a microwave oven, comprising: a beep reproducing step of converting and storing stored beep data in accordance with an operation state of a microwave to a corresponding sound; The method of claim 2, wherein the recording operation is performed for each of the recording items, and the control operation for reproducing each of the recording items is performed according to the operation state of the microwave. .