KR20080085366A - Reading system of a microwave range - Google Patents

Abstract

A reading system of a microwave is provided to display various menus on a screen by combining characters corresponding to food information read from a two-dimensional barcode. A reading system(100) of a microwave comprises a barcode(200) for storing food information, a reading unit(120) for reading the food information of the barcode, a memory unit(150), a control unit(130), and a display unit(160). The memory unit stores a plurality of characters to perform a command regarding the food information read from the reading unit. The control unit allows at least one characters corresponding to the food information transmitted from the reading unit to be searched in the memory and then combined. The display unit displays the characters combined according to the command of the control unit.

Description

Reading system of a microwave range.

1 is a perspective view of a microwave oven according to an embodiment of the present invention;

2 is a block diagram illustrating a reading system of a microwave oven according to an embodiment of the present invention;

3 is a flowchart of a method for controlling a microwave oven according to an embodiment of the present invention.

4 is a flowchart illustrating a method for controlling a microwave oven according to another embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

1: casing 2: cooking chamber

5: door 6: magnetron

110: input unit 120: reading unit

130: control unit 140: cooking unit

150: memory unit 160: display unit

170: sound unit

The present invention relates to a reading system of a microwave oven, and more particularly, in the preparation of a food on which a two-dimensional bar code is printed, information of a food scanned once is stored, a plurality of characters of a predetermined bit are searched and combined, A reading system of a microwave oven for displaying information.

In general, the microwave oven is placed on the turntable inside the microwave to cook food easily at home, and then select the type of cooking, using the microwave (MICROWAVE) to vibrate the molecular molecules in the food to vibrate the molecular friction It is an electronic product that uses, thaws, warms, or cooks food.

In the conventional method of cooking food using such a microwave oven, in order to cook frozen food or food, a user places food to be cooked on a turntable inside the microwave, sets a time, and then presses a start button. Cooked.

In order to set the food cooking time, the user can use the time setting button on the OPERATING PANEL on the front of the microwave oven or press the preset time button according to several types of food.

However, this cooking method has a problem that a user must go through a lot of trial and error because the user has to find the cookbook for each menu or input the cooking information directly through the experience.

In addition, since such a microwave oven has a limitation in arranging menu keys of an operation panel, there is a problem in that the number of automatic cooking selection menus is limited.

The present invention has been made to solve the above problems of the prior art, an object of the present invention is to store a plurality of characters of a certain bit, and extracts a character corresponding to the information of the food read from the two-dimensional barcode The present invention provides a reading system of a microwave oven which is displayed after being combined with a display unit.

It is another object of the present invention to provide a microwave reading system that provides convenience of use without the need for rescanning of a food scanned once by reading the two-dimensional bar code storing the food information and then reading the food information. To provide.

Still another object of the present invention is to provide a reading system of a microwave oven, in which a user performs cooking by automatically setting an optimal cooking time for a corresponding food without having to set cooking time.

It is still another object of the present invention to provide a microwave reading system that makes it easy to visually identify by reading a two-dimensional bar code in which food information is stored and then manually or automatically displaying the information of the food.

Technical means according to the present invention for achieving the above object is a bar code for storing food information; A reading unit that reads food information of the barcode; A memory unit for storing a plurality of characters for indicating the read food information; A control unit for controlling an operation of displaying at least one letter corresponding to the food information received from the reading unit by combining and displaying the at least one character in the memory unit; And a display unit for displaying the combined characters according to the instructions of the controller.

According to the present invention, the present invention automatically or selectively stores barcode information once scanned, eliminating the hassle of scanning every time when cooking frequently used foods, and storing the stored information at any time regardless of whether the barcode printing portion is damaged. The food may be cooked using an optimal barcode.

In addition, by displaying the food name in a combination of a plurality of characters represented by a certain bit, the expression of the food name has various advantages.

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

1 is a perspective view of a microwave oven according to an embodiment of the present invention, and FIG. 2 is a control block diagram of a reading system of the microwave oven according to an embodiment of the present invention.

That is, in the microwave oven, a cooking chamber 2 for accommodating food is formed in the rectangular casing 1, and a door 5 for opening and closing the front opening of the cooking chamber 2 is attached to the front of the cooking chamber 2. have.

In addition, a component chamber 10 for accommodating various device components is formed at one side of the cooking chamber 2.

The component chamber 10 has a high voltage transformer (HVT 11) for generating a high voltage according to the supply of power, a high voltage capacitor (HVC) 12 and a high voltage capacitor (HVC) 12 for charging a high voltage from the HVT 11. The magnetron 15 for generating electromagnetic waves and supplying them into the cooking chamber 2 is housed in accordance with the supply of the voltage.

In addition, a blower fan 13 is attached to the rear wall of the component chamber 10 to cool the heat generated during the operation of the component parts.

In front of the component chamber 10, an operation panel 25 for attaching the component parts in the component chamber 10 is attached.

The operation panel 25 includes a bar code printed on a food wrapping paper, an input unit 110 composed of a plurality of keys including a start key 30 for executing a recent cooking mode stored in the memory unit 150 and a scan key for scanning instructions. The reading unit 120 is configured to scan the food information and scan the stored food information and the display unit 160 to display the cooking state of the food.

As shown in FIG. 2, the configuration unit 100 of the microwave reading system includes an input unit 110, a reading unit 120, a control unit 130, a cooking unit 140, a memory unit 150, and a display unit ( 160 and the sound unit 170.

The input unit 110 is provided in the operation panel, and includes a time key for manually setting a cooking time according to a user's preference, and a cooking time for some foods set in advance. It consists of a setting key, a scan key for scanning bar codes printed on food wrappers, a start key for instructing cooking of food, a door key for opening and closing the door of a microwave oven, and an up and down key for determining the output priority of food information. The key signal input by the user is transmitted to the controller 130.

The reading unit 120 is provided in the operation panel, and when the barcode 200 printed on the food wrapping paper comes into contact with or approaches, the reading unit 120 reads the information of the food stored in the barcode and transmits the information to the control unit 130.

Here, the barcode is a one-dimensional or two-dimensional barcode printed on a food wrapping paper, and the one-dimensional barcode (not shown) is a combination of letters and numbers in black and white bar-shaped symbols. The two-dimensional bar code 200 is a bar code that flattens braille or mosaic codes in both horizontal and vertical directions, and encodes a large amount of information such as letters, numbers, and pictures into two-dimensional symbols in small squares.

In addition, in the embodiment, it is more preferable to apply a two-dimensional bar code that can store 100 times more information than a one-dimensional bar code.

The reading unit 120 includes a barcode reader for reading a one-dimensional barcode, and a charge coupled device (CCD) imaging device for reading a two-dimensional barcode.

Here, the readout unit 120 including the CCD imaging device forms an image of the two-dimensional barcode 200 to be placed on the top of one optical system to the CCD imaging device through the optical system (lens), so that light is an electrical signal. When it is changed, it is converted into digital data to read food information.

In addition to the CCD image pickup device, it may include a complementary metal oxide semiconductor (CMOS).

The controller 130 receives the information of the food read by the reading unit 120, analyzes the received food information, and stores the information of the transmitted food when a cooking start key signal of the input unit 110 is input by the user. For transmission to the memory unit 150 for.

Here, the food information preferably includes information such as food name, cooking time, cooking temperature of the food.

In addition, when the food information is transmitted from the reading unit 120, the controller 130 analyzes the food name in the food information, extracts a character corresponding to the food name from the memory unit, and then controls the display unit 160 to display a combination of at least one character. do. At this time, the combined food name is transmitted to the memory unit to be stored, but the recently combined food name is stored in the highest rank.

In addition, the controller 130 controls the output of food information read in advance through the display unit 160 when the user wants to select and cook without reading a barcode. In this case, the controller 130 outputs only the food name, and the food cooking information according to the food name. According to the control of food cooking, and when the food name is output to control the most recently read food name is output to the highest rank.

That is, the control unit 130 manages the food information data read from the reading unit 120 and when the user's command is input through the input unit 140, the display unit 160 is displayed so that the data corresponding to the input signal is displayed through the display unit. To control.

In addition, the controller 130 outputs the information stored in the memory unit 150 according to the food information stored in the bar code of the food, and controls the driving of the HVT 11 and the blowing fan 13 according to the output information, food Prepare foods to suit their characteristics.

In addition, the control unit 130 controls the driving of the HVT 11 and the blowing fan 13 according to the cooking conditions by the user's manual input to cook food according to the input conditions.

The cooking unit 140 drives the HVT 11 and the blowing fan 13 to cook food according to the instructions of the control unit.

The memory unit 150 stores the food information read according to the instructions of the controller, but sequentially stores the recently read food information as the highest ranking, and if the food information according to the instructions of the controller 130 is transmitted, the food name of the food information. Search for the character corresponding to the transmitted to the control unit, and if a specific food name is selected by the user to extract the cooking information of the food corresponding to the food name and transmits to the control unit 130.

The memory unit 150 preferably uses an EEPROM capable of stably storing data for a long period of time without a power supply and electrically erasing and rewriting the recorded data. The food information is food name and cooking information of the food corresponding to the food name.

In addition, the data of the food information stored in the memory unit 150 may be stored in a ranking designated by the user according to the user's instructions through the input unit.

The food name of the food information stored in the memory unit 150 is composed of a plurality of characters are output through the display unit, that is, if the food name is stored in about 2000 characters of a combination of uppercase and lowercase letters, numbers, Korean, etc. For example, approximately 2000 characters can be represented as 11 bits.

Here, n-bit data can represent 2n different values. Accordingly, the number of characters that can be represented by 11 bits is 211. Therefore, since 2048 characters are represented, each character is represented by 11 bits.

For example, assuming that the food name is 10 characters maximum, the 10-character food name is a combination of 10 characters represented by 11 bits, and the 10-character food name is 110 bits in total.

That is, if the food name is Shinmyeon among the food information read through the barcode, in order to display the Shinmyeon on the display unit, a 'new' character is searched in 11 bits and 'la' character is searched in 11 bits according to the instruction of the controller 130. After that, the '11' characters are searched in the next 11 bits, and the remaining 7 spaces are treated as blanks and the retrieved characters are transmitted to the controller.

Here, the bit is the minimum unit of data processed in binary and is represented by only two numbers, 0 and 1, which are the minimum units represented by a computer. A computer collects several of these bits to represent specific information, and n-bit data can represent 2 ^ n different values.

According to the stored food names, even a small amount of memory unit can search and combine various food names, and each letter is searched and combined, so that the search speed is fast and the accuracy can be improved.

The display unit 160 displays the combined food name, scanned food information, etc. according to the instructions of the controller so that the user can visually recognize the food. At this time, it is preferable to output the food name according to the recently read priority when outputting the food name.

The sound unit 170 outputs a sound for notifying completion of food preparation and scanning completion according to the instruction of the control unit, so that the user can easily recognize the sound.

Accordingly, when cooking through the microwave, it is not necessary to scan and read the barcode every time, and even if the barcode portion of the packaging is damaged, the pre-read food information is extracted and selected and cooked according to the stored food cooking information. There is no inconvenience to repurchase or exchange food.

3 is a flowchart of a method for automatically controlling a reading system of a microwave oven according to an exemplary embodiment of the present invention with reference to FIG. 2.

First, when the power is turned on (S11) and the operating power is supplied from the outside, and the barcode printed on the food is to be scanned, the scan key provided in the input unit is turned on (S12), and the barcode portion is close to the reading unit (S13). Then, the image of the two-dimensional barcode 200 is formed on the CCD image pickup device through the optical system (lens), and when the light is converted into an electrical signal, it is converted into digital data to read the food information and then analyzed (S14). Transfer to the control unit (S15).

Next, when the user starts the start key provided in the input unit, that is, the cooking start key for instructing cooking (S16), the food information transmitted to the control unit is transmitted to the memory unit 150, and the memory unit 150 is transmitted. The food information is stored (S17).

At this time, the food information stored in the memory unit is stored in the highest order is output first to the display unit 160 according to the user's instructions.

If the storage amount of the memory unit 150 is full, the food information of the lowest rank is deleted and the currently read food information is stored in the best rank.

Next, the driving of the HVT 11 and the blower fan 13 is controlled according to the information output from the controller 130, and the food is cooked according to the cooking algorithm input from the bar code according to the characteristics of the food (S18).

In addition, the food name and the food information are displayed on the display unit when the food is cooked according to a user's instruction without scanning the barcode. In this case, the output food name includes a plurality of food names corresponding to the information read from the barcode as a predetermined bit in the memory unit. By searching for characters and outputting them after combining each character in the control unit, the method of expressing a food name can be diversified, thereby increasing the width of the food name.

4 is a flowchart of a manual control method of a reading system of a microwave oven according to an exemplary embodiment of the present invention with reference to FIG. 2.

First, when the power source is turned on (S21) and the operating power is supplied from the outside to scan the barcode printed on the food, turn on the scan key provided in the input unit (S22) and then move the barcode portion closer to the reading unit (S23). Then, the image of the two-dimensional bar code 200 is formed on the CCD image pickup device through the optical system (lens), and when the light is converted into an electrical signal, it is converted into digital data and the food information is read and analyzed (S24). Transfer to the control unit (S25).

Next, when the memory key for manually storing the food information read by the user is turned on (S26), the controller determines whether the storage state of the memory unit is full (S27) and then determines whether to overwrite. If the storage state of the memory unit is full, the storage is automatically stored in the highest rank (S28). If the storage state of the memory unit is not full, the storage is stored in the rank designated by the user using up and down keys (S29).

Next, when the user starts the start key provided in the input unit, that is, the cooking start key for instructing cooking (S30), the driving of the HVT 11 and the blower fan 13 is controlled according to the information output from the controller 130. In accordance with the cooking algorithm input from the bar code according to the characteristics of the food is cooked food (S31).

In addition, the food name and the food information are displayed on the display unit when the food is cooked according to a user's instruction without scanning the barcode. In this case, the output food name includes a plurality of food names corresponding to the information read from the barcode as a predetermined bit in the memory unit. By extracting the characters and outputting them after combining each character in the control unit, it is possible to diversify the expression method of the food name has the advantage that the width of the food name is widened.

The present invention is not limited to the above-described embodiments, and various changes can be made by those skilled in the art without departing from the gist of the present invention as claimed in the following claims.

As described in detail above, the present invention eliminates the hassle of scanning every time when cooking frequently used food by automatically or selectively storing the barcode information scanned once, regardless of the case where the barcode printing portion is damaged At any time, the stored information may be used to cook food using an optimal barcode.

In addition, there is an advantage that the expression of the food name can be varied by displaying the food name in a combination of a plurality of characters represented by a certain bit.

Claims (8)

A bar code storing food information; A reading unit that reads food information of the barcode; A memory unit for storing a plurality of characters for indicating the read food information; A control unit for controlling an operation of displaying at least one letter corresponding to the food information received from the reading unit by combining and displaying the at least one character in the memory unit; And And a display unit for displaying the combined characters according to the instructions of the control unit. The method of claim 1, wherein the barcode is The reading system of the microwave oven characterized by the two-dimensional barcode. The method of claim 1, wherein the character is A reading system for a microwave oven, characterized by 11 bits. The method of claim 1, wherein the memory unit A reading system of a microwave oven, characterized by automatically storing recently read food information in the highest rank. The method of claim 1, wherein the memory unit A microwave reading system according to claim 1, which is an EEPROM. The method of claim 1, And an input unit for designating a ranking of the food information and instructing cooking of the food. The method of claim 6, wherein the memory unit And the food information is stored in a designated order according to a user's instruction. The method of claim 1, wherein the memory unit And when the storage space is full, deleting the food information stored in the lowest rank and storing the recently read food information in the highest rank.

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