KR100531368B1 - Key Panel of The Microwave Oven - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a key panel of a microwave oven capable of constituting many keys in a key panel of a small space, comprising: a first key panel comprising two or more function keys; A second key panel configured to configure two or more function keys so as to correspond one-to-one with a function key of the first key panel, and to be movable in an up / down direction on a front surface of the first key panel; First and second contact portions respectively installed at the same positions of the first and second key panels corresponding to each other, and capable of transmitting signals according to contact states; When the first contact portion and the second contact portion are in contact with each other, the first contact portion is recognized as a function key input of a second key panel when a key is input. Since it is configured to include a microcomputer, by configuring a multi-layer key panel having an open cover (sliding type or open / close type), two or more function keys can be installed at one key position to provide more function keys to the user. Can be.

Description

Key Panel of Microwave Oven

The present invention relates to a microwave oven, and more particularly, to a menu key panel of a microwave oven.

Recently, as a device for cooking at home, a gas range, a gas oven, a microwave oven, an electric oven and the like have been widely used.

Here, the microwave oven is a device for cooking by heating the object to be cooked in the cooking room (Cavity) by using the microwave (Micro Wave) generated from the built-in magnetron as the main heating source.

In addition, recently, a microwave oven with a built-in heater (Heater) has been developed and commercially available to provide a variety of heating conditions.

Such a microwave oven with a built-in heater is useful in that the object to be cooked can be heated by selectively using heat generated by the heater as a heating source and microwaves generated by the magnetron.

In addition, with the development of a microwave oven equipped with a magnetron and a heater, as well as providing a variety of heating conditions and at the same time providing a variety of heating conditions are also increasing the type of dishes provided to the user.

At this time, each cooking menu provided by the microwave is provided to the user by configuring a key panel provided in the front of the microwave oven as an independent key.

Hereinafter, a key panel configuration of a microwave oven according to the prior art will be described with reference to FIG. 1.

As shown in the drawing, the key panel 1 of the microwave oven according to the prior art is divided into keys according to various cooking objects, keys distinguished according to various types of dishes, numeric keys for inputting cooking time, It consists of keys separated by commands.

The user input of the key panel 1 configured as described above is input to a microcomputer (not shown), and the microcomputer inputs to a kind of cooking object, a cooking type, a cooking time, or various commands input through the key panel 1. Therefore, the whole system is controlled to perform the corresponding operation.

As shown in Fig. 1, the key panel 1 of the microwave oven according to the prior art has one key independent of one function, and the number of keys constituting the key panel 1 is 30. To 50 or more.

In addition, in order to perform a plurality of functions using one key, a key panel may be configured by setting a hidden function to one key.

At this time, the hidden function is to operate in a function different from the operation at the first key input in a specific operating state of the microwave oven.

However, the above-described key panel of the microwave oven according to the related art has the following problems.

First, in the conventional case, since a key panel is composed of one independent key for one function, space limitation of the key panel is followed.

Secondly, in order to perform a plurality of functions through a single key, a hidden function is set for each key and used, thereby causing inconvenience to a user's key panel operation.

Accordingly, the present invention has been made to solve the above-mentioned problems of the prior art, and an object of the present invention is to provide a key panel of a microwave oven, which is capable of constituting many keys in a key panel of a small space.

According to an aspect of the present invention, there is provided a key panel of a microwave oven comprising: a first key panel composed of two or more function keys; A second key panel configured to configure two or more function keys so as to correspond one-to-one with a function key of the first key panel, and to be movable in an up / down direction on a front surface of the first key panel; First and second contact portions respectively installed at the same positions of the first and second key panels corresponding to each other, and capable of transmitting signals according to contact states; When the first contact portion and the second contact portion are in contact with each other, the first contact portion is recognized as a function key input of a second key panel when a key is input. It is composed of microcomputers and has its features.

delete

Other objects, features and advantages of the present invention will become apparent from the following detailed description of embodiments taken in conjunction with the accompanying drawings.

Hereinafter, a key panel of a microwave oven according to the present invention will be described with reference to the accompanying drawings.

First embodiment

2 is a configuration diagram showing a first embodiment of a key panel of a microwave oven according to the present invention, and with reference to this, a first embodiment of a key panel of the microwave oven according to the present invention will be described.

As shown, the key panel of the microwave oven according to the present invention comprises a first key panel 10 composed of two or more function keys; A second key panel 20 comprising two or more function keys different from the first key panel 10 and installed on the front surface of the first key panel 10 so as to be movable in an up / down direction; First and second contact portions 30a and 30b provided at predetermined positions of the first and second key panels 10 and 20 respectively corresponding to each other; When the first contact portion and the second contact portion 30a and 30b are in contact with each other, the first contact portion is recognized as a function key input of the second key panel 20 when a key is input. And a microcomputer (not shown) recognized as a function key input of the panel 10.

Referring to the key panel structure of the microwave oven configured as described above, the first and second key panels 10 and 20 are each composed of a plurality of different function keys.

In addition, the second key panel 20 is disposed on the front surface of the first key panel 10 so as to be movable up / down sliding.

In addition, the first contact portion 30a and the second contact portion 30b are contact points capable of transmitting signals, and are formed at the same positions corresponding to each other of the first key panel 10 and the second key panel 20. When the second key panel 20 is positioned in front of the first key panel 10, the first contact portion 30a and the second contact portion 30b are formed to contact each other. The contact portion 30a and the second contact portion 30b are selectively contacted by the sliding movement operation of the second key panel 20. When the second key panel 20 is moved to the correct position, the second contact portion 30b is moved. Is in contact with the first contact portion 30a.

At this time, when the user wants to use the function key of the first key panel 10, the second key panel 20 is used after sliding in the up or down direction.

On the other hand, when the user wants to use the function key of the second key panel 20, the user moves the second key panel 20 to the correct position. In other words, the first and second contact portions 30a and 30b are used in contact with each other.

Second embodiment

3 is a configuration diagram showing a second embodiment of the key panel of the microwave oven according to the present invention, and with reference to this, a second embodiment of the key panel of the microwave oven according to the present invention will be described.

As shown, the key panel of the microwave oven according to the present invention comprises: a first key panel 10 'consisting of two or more function keys; A second key panel (20 ') composed of two or more function keys different from the first key panel (10') and provided to be opened and closed on one side of the first key panel (10 '); First and second contact portions 30a 'and 30b' installed at predetermined positions of the first and second key panels 10 'and 20' corresponding to each other; When the first contact portion 30a 'and the second contact portion 30b' are in contact with each other, the key is recognized as a function key input of the second key panel 20 'when the key is pressed. And a microcomputer (not shown) recognized as a function key input of the first key panel 10 '.

Referring to the key panel structure of the microwave oven configured as described above, the first and second key panels 10 ', 20' are each composed of a plurality of different function keys as in the first embodiment described above.

The second key panel 20 ′ is installed to be open / closed on one side (left / right / up / down) of the first key panel 10 ′.

In addition, the first contact portion 30a 'and the second contact portion 30b' are contact points capable of transmitting signals, and are located at the same positions corresponding to each other of the first key panel 10 'and the second key panel 20'. In this case, when the second key panel 20 'is positioned in front of the first key panel 10', the first contact portion 30a 'and the second contact portion 30b' are in contact with each other. That is, the first contact portion 30a 'and the second contact portion 30b' are selectively contacted by the opening and closing operation of the second key panel 20 '. When closed, the second contact portion 30b 'comes into contact with the first contact portion 30a.

At this time, when the user wants to use the function key of the first key panel 10 ', the second key panel 20' is opened and used (FIG. 3B).

On the other hand, when the user wants to use the function key of the second key panel 20 ', the user closes the second key panel 20' to the correct position and then uses it (Fig. 3 (A)). In other words, the first and second contact portions 30a 'and 30b' are used in contact with each other.

In this case, since the second key panels 20 and 20 'are positioned in front of the first and second contact parts 30a, 30b / 30a' and 30b ', the first key panel 10, 10 ') is composed of function keys that are used more frequently than function keys.

In other words, as shown in Figs. 2 and 3, the first key panels 10 and 10 'installed at the lower side in the normal position (states in which the first and second contacts are in contact) are configured as additional function keys, and the upper side is The second key panels 20 and 20 'provided at the upper portion are configured as main function keys.

4 is a cross-sectional view of a key panel in a state in which the first and second contacts of the present invention are in contact. Referring to this, the internal microcomputer of the microwave oven includes the first key panels 10 and 10 'and the second key. An operation of recognizing key input of the panels 20 and 20 'will be described.

As shown, the arrow (↓) position of the second key panel 20, 20 '(predetermined function key) while the user is in contact with the first and second contact portions 30a, 30b / 30a', 30b '. If you press), the pressing force of the corresponding function key is transmitted to the ⓑ part through ⓐ part is transmitted to the lower plate 40 connected to the microcomputer.

At this time, the microcomputer determines whether the first and second contact parts 30a, 30b / 30a ', and 30b' are in contact with each other and is input through the first key panels 10 and 10 '(ⓑ). The force to be recognized is a function key of the second key panels 20 and 20.

Meanwhile, when the first and second contact parts 30a, 30b / 30a ', and 30b' are not in contact with each other, that is, the user slides or opens the second key panels 20 and 20 'to make the first contact. When the key panels 10 and 10 'are input, the force input through the first key panels 10 and 10' (ⓑ) is recognized as a function key of the first key panels 10 and 10 '.

Therefore, in the present invention, two or more function keys are provided at one key position by configuring the key panel of the microwave oven in multiple layers.

The key panel of the microwave oven according to the present invention described above constitutes a multi-layered key panel having an open lid (sliding type or opening / closing type) form, thereby realizing the effect that two or more function keys are installed at one key position. More function keys can be provided.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention.

Therefore, the technical scope of the present invention should not be limited to the contents described in the embodiments, but should be defined by the claims.

1 is a view showing a key panel configuration of a microwave oven according to the prior art

2 is a block diagram showing a first embodiment of the key panel of the microwave oven according to the present invention;

3 is a block diagram showing a second embodiment of the key panel of the microwave oven according to the present invention;

4 is a cross-sectional view of a key panel in a state where the first and second contacts of the present invention are in contact;

Explanation of symbols for main parts of the drawings

10, 10 ': first key panel 20, 20': second key panel

30a, 30a ': first contact 30b, 30b': second contact

40: bottom plate

Claims (2)

In the key panel of the microwave oven, A first key panel composed of two or more function keys; A second key panel configured to configure two or more function keys so as to correspond one-to-one with a function key of the first key panel, and to be movable in an up / down direction on a front surface of the first key panel; First and second contact portions respectively installed at the same positions of the first and second key panels corresponding to each other, and capable of transmitting signals according to contact states; And, If the first contact portion and the second contact portion is in contact with the state of the key input when the key is recognized as a function key input of the second key panel, if not in contact with the key input micom to recognize the function key input of the first key panel Key panel of the microwave oven, characterized in that comprising a. delete