KR19990032842A - Microwave oven with data communication function - Google Patents

Abstract

The disclosed microwave oven relates to a microwave oven having a data communication function to expand and add various functions by having a data communication function with an external device. The present invention, a key input unit operated by the user; A load driving and display unit for performing a heating / cooking operation of the microwave oven and displaying this state; A data input / output unit for inputting or outputting predetermined information from the outside; And a control unit which receives an operation command of the key input unit and controls the load driving and heating / cooking operations of the display unit in accordance with information previously stored in the data storage unit or information input from the data input / output unit.

Description

Microwave oven with data communication function

The present invention relates to a microwave oven, and more particularly, to a microwave oven having a data communication function for expanding and adding various functions to a microwave oven.

In general, a microwave oven is a heating apparatus for cooking food using microwaves, and as shown in FIG. 1, the cabinet 60, which is divided into left and right spaces to form an appearance of the microwave oven, has a front opening at one side. 52 is provided, and the apparatus room 54 in which various circuit devices are provided on the other side is provided.

In addition, the door 62 that opens and closes the front open portion under the state in which the cooking chamber 52 is formed as described above, and the rotating plate 64 on which the food to be cooked are placed are rotatably installed.

The rotating plate 64 is provided with a rotating plate driving unit 33 (shown in FIG. 2) composed of a motor and various gears not shown on the bottom thereof, and is configured to rotate the rotating plate 64 when cooking.

Meanwhile, a magnetron (MGT), a high voltage transformer (HVT), a high pressure capacitor (HC), and a cooling fan (FAN) cooling the magnetron (MGT), which generate microwaves, are electrically connected to the apparatus chamber 54. The front panel is provided with an operation panel 66 for operating these devices and displaying their status.

In addition, the cooling fan (FAN) is forced to blow the air to cool the magnetron (MGT), and the air guide 50 for inducing the heated air to the cooking chamber 52 through the heat exchange effect is a cabinet (60) It is provided on one side.

Meanwhile, as shown in FIG. 2, the circuit diagram of the conventional microwave oven includes an on / off switch 11, a menu selection switch 12, a temperature setting switch 13, and a time setting switch of the microwave oven. A key input section 10 composed of 14 parts is provided, and the key input section 10 is formed in the operation panel 66 shown in FIG.

In addition, the control unit 20 is provided to control the driving of the various loads for the cooking operation in accordance with the switch operation of each of the key input unit (10). Here, the control unit 20 controls the cooking operation using the microcomputer 21, but utilizes predetermined information stored in advance from the data storage unit 22, for example, cooking temperature, cooking time, and the like.

The data storage unit 22 is preferably configured as a ROM (Read Only Memory) in which the information is not erased even when the power supply is interrupted.

In addition, a load driving and display unit 30 driven by the controller 20 to perform a cooking operation is provided. The load driving and display unit 30 includes a magnetron driving unit 31 for driving the magnetron (MGT) to generate microwaves, an illumination (not shown) for the cooking chamber, and an illumination and fan driving unit 32 for driving the cooling fan (FAN). And a rotating plate driving unit 33 for rotating the rotating plate 64, and a display unit 34 displaying such a cooking state.

Here, the magnetron driver 31 generates microwaves through circuit elements such as a high voltage transformer (HVT), a high voltage diode (HD), a high voltage capacitor (HC), and a magnetron (MGT) shown in FIG. 52) is discharged to the inside, and the high heat generated in the magnetron (MGT) is forcedly cooled by the cooling fan (FAN).

In addition, the display unit 34 is preferably formed together with the key input unit 10 in the operation panel 66 shown in FIG.

In the conventional microwave oven configured as described above, as the door 62 is opened from the cabinet 60, a cooking container containing food is introduced into and out of the cooking chamber 52 through the front of the cabinet 60. The rotating plate 64 is placed on top.

Thereafter, the microwave oven is operated according to the manipulation of the key input unit 10 while the door 62 is closed. That is, the user sets the desired cooking temperature and time using the temperature setting switch 13 and the time setting switch 14, and starts cooking with the on / off switch 11.

Here, the microcomputer 21 of the control unit 20 detects each of the switches 11, 13, 14 on / off described above, and thus the magnetron driver 31, the lighting and fan driver 32, and The rotary plate driving unit 33 is operated to heat and cook food in the cooking chamber 52.

That is, the commercial AC power input from the outside is supplied to the magnetron (MGT), the high pressure capacitor (HC) and the high voltage diode (HD) through the high voltage transformer (HVT) shown in Figure 1, and thus from the magnetron (MGT) Microwaves are generated and emitted into the cooking chamber 52 to cook food. In addition, the microcomputer 21 drives the cooling fan 32 for turning on the lamp (not shown) of the cooking chamber and cooling the magnetron (MGT), and rotating the rotating plate 64 on which food is placed to increase cooking efficiency. To improve. In addition, such a cooking setting and the progress state are displayed through the display unit 34 to inform the user of such a cooking state.

On the other hand, by operating the menu selection switch 12, the user selects a desired menu, and the cooking temperature and time according to this menu are automatically set / controlled to perform the cooking operation. Here, the microcomputer 21 reads information such as temperature and time corresponding to the input of the menu selection switch 12 from the data storage unit 22 to control the cooking operation and accordingly performs a predetermined cooking process. do.

However, the conventional microwave oven as described above may cook a menu stored in advance in the data storage unit when cooking according to a menu selection, but since the menu is very limited, there is a problem that the user's selection is narrow.

In addition, when adding a new menu, the data storage unit and the various circuit elements have to be replaced, and various new functions cannot be added.

The present invention has been made to solve the above-mentioned drawbacks, and an object of the present invention is to provide a data communication function with an external device in a microwave oven so that various functions can be expanded and added. To provide a microwave.

1 is a perspective view showing the appearance and mounting state of each component of a typical microwave oven,

2 is a circuit diagram showing a conventional microwave oven,

Figure 3 is a circuit diagram showing a preferred embodiment of a microwave oven having a data communication function according to the present invention

4 is a state diagram of use of a microwave oven having a data communication function according to the present invention.

Explanation of symbols on the main parts of the drawings

10: key input unit 20: control unit

21: microcomputer 22: data storage unit

30: load driving and display unit 40, 71: data input / output unit

70: Personal Computer 73: Cable

Features of the microwave oven having a data communication function according to the present invention for realizing this, the key input unit operated by the user; A load driving and display unit for performing a heating / cooking operation of the microwave oven and displaying this state; A data input / output unit for inputting or outputting predetermined information from the outside; And a control unit which receives an operation command of the key input unit and controls the load driving and heating / cooking operations of the display unit in accordance with information previously stored in the data storage unit or information input from the data input / output unit.

Preferably, the data input / output unit mutually inputs / outputs predetermined information through another data input / output unit of the personal computer, and transmits mutual information through a wired cable or transmits mutual information through a wireless infrared port.

In addition, the data input / output unit inputs and outputs predetermined information through a removable memory card, so that various functions can be expanded and added to the microwave oven.

Hereinafter, a preferred embodiment of the present invention will be described in more detail with reference to the accompanying drawings, the same components as in the prior art will be described with the same reference numerals.

Figure 3 is a circuit diagram showing a preferred embodiment of a microwave oven having a data communication function according to the present invention, Figure 4 is a state diagram of the use of the microwave oven having a data communication function according to the present invention.

As shown in the drawing, the key input unit operated by the user includes a microwave on / off switch 11, a menu selection switch 12, a temperature setting switch 13, and a time setting switch 14. The key input unit 10 is formed in the operation panel 66 shown in FIG.

In addition, the load driving and display unit 30 performs the heating / cooking operation of the microwave and displays this state, the magnetron driving unit 31 for driving the magnetron (MGT) shown in Figure 2, the illumination of the cooking chamber (not shown) ) And a display unit 34 including an illumination and a fan driver 32 for driving the cooling fan FAN, a rotary plate driver 33 for rotating the rotary plate 64, and the like and a cooking state thereof. It is composed.

Here, the display unit 34 is formed with the key input unit 10 on the operation panel 66, the magnetron driving unit 31 is a high voltage transformer (HVT), a high voltage diode (HD) shown in FIG. ), Microwaves are generated through circuit elements such as a high pressure capacitor (HC) and a magnetron (MGT) and emitted into the cooking chamber 52, and the high temperature generated by the magnetron (MGT) is a cooling fan (FAN). Forced cooling by

The data input / output unit 40 inputs or outputs predetermined information from the outside, and applies it to the controller 20 to be described later. In this case, the data input / output unit 40 inputs / outputs predetermined information through another data input / output unit 71 of the personal computer 70 or inputs / outputs predetermined information through a memory card (not shown). It is preferable to configure so that various functions can be expanded to a stove.

In addition, the control unit 20 including the microcomputer 21 and the data storage unit 22 receives an operation command of the key input unit 10, and stores information previously stored in the data storage unit 22 or the data input / output unit ( 40 is configured to control the heating / cooking operation of the load driving and display unit 30 according to the information input from 40). Here, the data storage unit 22 is configured as a ROM (Read Only Memory) that does not erase the information even when the power supply is stopped as described above.

If described in more detail the operation of the microwave oven having a data communication function according to the present invention configured as described above.

First, as the door 62 is opened from the cabinet 60, a cooking vessel containing food enters and leaves the cooking chamber 52 through the front of the cabinet 60, and the cooking vessel is at the top of the rotary dish 64. After being placed in, the microwave oven is operated in accordance with the operation of the key input unit 10 in the state in which the door 62 is closed.

That is, as described above, the user sets the desired cooking temperature and time using the temperature setting switch 13 and the time setting switch 14, and starts cooking with the on / off switch 11. Here, the microcomputer 21 of the control unit 20 detects each of the switches 11, 13, 14 on / off described above, and thus the magnetron driver 31, the lighting and fan driver 32, and The rotary plate driving unit 33 is operated to heat and cook food in the cooking chamber 52.

At this time, the commercial AC power input from the outside is supplied to the magnetron (MGT), the high-pressure capacitor (HC) and the high-voltage diode (HD) through the high voltage transformer (HVT) shown in Figure 1, and thus from the magnetron (MGT) Microwaves are generated and emitted into the cooking chamber 52 to cook food. In addition, the microcomputer 21 drives the cooling fan 32 for turning on the lamp (not shown) of the cooking chamber and cooling the magnetron (MGT), and rotating the rotating plate 64 on which food is placed to increase cooking efficiency. To improve. In addition, such a cooking setting and the progress state are displayed through the display unit 34 to inform the user of such a cooking state.

In addition, during automatic cooking, the user operates the menu selection switch 12 to select a desired menu, whereby the cooking temperature and time according to the menu are automatically set / controlled so that the cooking operation may be performed. Here, the microcomputer 21 reads information such as temperature and time corresponding to the input of the menu selection switch 12 from the data storage unit 22 to control the cooking operation and accordingly performs a predetermined cooking process. Will be.

Meanwhile, the microwave oven of the present invention can input new information in addition to the previously stored information as described above. When such a new function and menu are added, the data input / output unit 40 receives predetermined information from the outside. The microwave is applied to the control unit 20 to operate the microwave with new functions and menus.

In more detail, the data input / output unit 40 inputs and outputs predetermined information through another data input / output unit 71 of the personal computer 70 as shown in FIG. The CPU 72 applies various types of information and functions to the data input / output unit 71 and transmits the same to the data input / output unit 40 of the microwave oven.

Here, the personal computer 70 can perform a variety of control through the information stored in the internal hard disk and diskette, it is possible to adjust the microwave oven of the present invention as a kind of remote terminal. Therefore, the temperature change and the time according to the new menu are possible.

In addition, it is also possible to input a variety of food cooking methods, etc. in the microwave or to receive information on the food cooking method from the microwave to be output to a manual such as a cookbook through a screen or a printer.

Here, the various information transmission of the data input and output unit 40, 71 is applicable to a variety of devices, for example, wired cable 73 by applying the RS-232C serial transmission port commonly used in the personal computer 70, for example. Although it is preferable to transmit to a), a wireless infrared port (not shown) widely used in recent years may be applied while the predetermined distance is maintained.

Meanwhile, a memory card (not shown) may be detachably mounted on the data input / output unit 40 of the microwave oven, and various types of memory cards may be replaced and replaced in some cases, thereby inputting and outputting predetermined information. Do.

According to the microwave oven having a data communication function according to the present invention as described above, by allowing the microwave oven to have a data communication function with an external device, it is possible to expand and add various menus and new functions in addition to the pre-stored functions. There is an effect of improving the convenience.

In addition, since various new functions can be added without replacing the data storage unit and various circuit elements, there is another effect of greatly improving the expandability of the device.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

Claims (5)

A key input unit operated by a user; A load driving and display unit for performing a heating / cooking operation of the microwave oven and displaying this state; A data input / output unit for inputting or outputting predetermined information from the outside; And And a control unit for receiving the operation command of the key input unit and controlling the load driving and heating / cooking operations of the display unit according to information previously stored in the data storage unit or information input from the data input / output unit. Microwave oven with communication function. The method of claim 1, wherein the data input and output unit A microwave oven having a data communication function, characterized in that it inputs and outputs predetermined information through another data input / output unit of a personal computer. 3. The data input / output unit of claim 2, wherein each data input / output unit Microwave oven having a data communication function characterized in that to transmit information to each other through a wired cable. 3. The data input / output unit of claim 2, wherein each data input / output unit Microwave oven having a data communication function, characterized in that for transmitting mutual information through a wireless infrared port. The method of claim 1, wherein the data input and output unit A microwave oven having a data communication function, characterized in that for inputting and outputting predetermined information through a removable memory card.