KR20010018754A - door having controller for microwave oven - Google Patents

Abstract

PURPOSE: A door integrated with a controller is provided to conveniently select and control a cooking mode according to the sorts of food by improving the position of the controller controlling the drive of a microwave oven. CONSTITUTION: A door integrated with a controller comprises a door panel forming an entire frame to selectively open and close a cooking compartment; a front plate made from a transparent material and integrated with the front of the door panel; and a door frame structuring the rear side of the door panel at a regular interval with the front plate. Herein, a controller unit(300) is integrally placed between the front plate and the doorframe to select a cooking mode for all kinds of food. Then, a user touches an indicating mode(222) on the front plate and electric current of a human being is conducted to a conductive switch and a circuit pattern. Therefore, a microwave oven starts cooking in a selected cooking mode.

Description

Controller having a microwave oven door {door having controller for microwave oven}

The present invention relates to a microwave oven, and more particularly, to a controller-integrated door in which a controller is integrated into a door of a microwave oven so that an operation for cooking food in the microwave can be performed more smoothly.

Wall-mounted microwave ovens (OTRs) of microwave ovens are configured to perform the function of smoothly discharging cooking heat and various driving heat generated when operating the equipment to the outside at the same time. It is used in the upper part, that is, installed in a wall.

In the conventional wall-mounted microwave oven as shown in FIG. 1, a main body 10 having a cooking chamber (not shown) is formed in the wall 1 or the like by a cabinet to cook various foods therein, as shown in FIG. The front of the main body is hinged (not shown) is coupled to the door 20 for selectively opening and closing the interior of the cooking chamber, the controller unit for controlling the selective cooking of various foods on one side of the main body ( 30).

At this time, the upper part of the main body 10 which is the upper side of the door is provided with a discharge grill 40 so that various smells and smoke can be discharged to the outside through the inside.

The door is a door panel 21 forming an overall skeleton, a front plate 22 made of a glass material made of a transparent material as a whole so that the inside of the cooking chamber is visible by being integrated with the front of the door panel, and the front plate It is largely composed of a door frame 23 constituting the rear of the door having a predetermined interval.

In addition, the controller unit 30 is formed by sequentially installing the keypad 31, the control panel 32, the bracket 33, the circuit board 34, and the like from the outer surface, that is, the front surface of the microwave oven.

In the keypad 31, a plurality of selection buttons 31a are provided to control the cooking of various foods by the user. The keypad 31 is configured to be electrically energized with the circuit board 34, and the circuit board 34 As the LCD for the display is integrated, it is exposed to the outside through the bracket 33, the control panel 32, the keypad 31, and the like to display the current state so that the user can easily know various control states.

Therefore, when using a wall-mounted microwave oven according to the needs of the user, first, food to be cooked by opening the door 20 of the main body 10 is put into the cooking chamber inside the main body.

In such a state, the door 20 is closed again to seal the cooking chamber with respect to the outside of the main body, and then a selection button required among the selection buttons 31a provided on the keypad 31 of the controller unit 30 is operated. Thus, the user can selectively control the microwave operation.

That is, according to the control method for various cooking methods such as cooking time, cooking intensity, and the like, when the user selects a required mode, the magnetron is generated due to the control of various circuit components provided on the circuit board 34, and the food is cooked inside the cooking chamber. Will be performed.

At this time, the user can easily see this information as various information such as the current cooking status is displayed on the LCD.

When the cooking is completed by the various processes as described above, the user opens the door to take out the cooked food inside the cooking chamber to complete all the processes.

However, in the conventional wall-mounted microwave oven that performs the operation as described above, the position of the LCD portion for displaying the display in the process of selecting the user's selective food cooking process as shown in FIG. As it is positioned, the user always faces upwards, while the position of the hand for selecting each mode is also upwards.

This is because the controller that selects the various controls of the microwave oven is located on the side of the door and thus has limitations on the mounting position of each mode. This causes inconvenience to various operations when continuous operation is performed. Caused dissatisfaction.

The above problem is a problem that occurs particularly seriously, such as a microwave oven that is installed on the upper side of the user's key, such as a wall-mounted microwave oven, the application of such a wall-mounted microwave oven is gradually increasing. Considering this, it is one of the problems that can cause consumers to lower the reliability.

The present invention has been made in order to improve the above-mentioned conventional problems, to improve the position of the controller unit for controlling the operation of the microwave oven so that the user can conveniently select and control the cooking mode according to various types of food Its purpose is.

1 is a configuration diagram showing an installation state of a typical wall-mounted microwave oven.

Figure 2 is a cross-sectional view showing the internal structure of the door of a typical wall-mounted microwave oven.

Figure 3 is an exploded perspective view showing a controller structure of a typical wall-mounted microwave oven.

Figure 4 is a schematic configuration diagram showing a state of use for operating a typical wall-mounted microwave oven.

5 is a configuration diagram showing an installation state of the wall-mounted microwave oven according to the present invention.

Figure 6 is a front view of the door of the wall-mounted microwave oven according to the present invention.

FIG. 7 is a cross-sectional view taken along line II-II of FIG. 6. FIG.

FIG. 8 is a longitudinal sectional view of main parts taken along line III-III of FIG. 6; FIG.

FIG. 9 is a longitudinal sectional view of principal parts taken along a line IV-IV of FIG. 6; FIG.

10 is a schematic configuration diagram showing a state of use for operating the wall-mounted microwave oven according to the present invention.

Explanation of symbols on the main parts of the drawings

200: door 210: door panel

220: front panel 221: coating layer

222: display mode 230: door frame

300: controller 340: circuit board

341: LCD 350: conductive switch

360: switch pad 370: shield cover

According to a feature of the present invention for achieving the above object, the present invention is a door panel forming a frame of the door and the front plate integrated with the front surface of the door panel made of a transparent material, and a constant distance from the front plate It comprises a door frame constituting the rear of the door panel and a controller unit for operating a cooking mode between the front plate and the door frame.

The controller unit has a plurality of conductive parts in contact with a rear surface of the front board constituting the door while the other end of the circuit board is mounted with the various circuit components of the door panel and the circuit pattern formed on the circuit board, the other end is in contact A switch and a switch pad for supporting the respective conductive switches on a circuit board may be provided.

The conductive switch is made of a conductive rubber material having elasticity, and the length of the conductive switch is longer than the length between the front side of the circuit board and the rear side of the front plate so that both sides thereof are always connected to the circuit board and the front plate. Make sure that it is in contact with the front panel.

Forming a coating layer coated with a conductive ceramic on a portion of the inner surface of the front plate which is a close contact portion of each conductive switch is characterized in that the conduction to the circuit pattern formed on each circuit board can be made more smoothly according to the user's selection.

A shield cover is mounted to cover the circuit board inside the front plate and the door frame to prevent damage to various circuits of the circuit board due to various moisture generated during cooking.

Hereinafter, with reference to the accompanying Figures 4 to 9 showing the configuration of the present invention in one embodiment as follows.

Figure 5 is a block diagram showing the installation state of the wall-mounted microwave oven according to the invention, Figure 6 is a state view of the door of the wall-mounted microwave oven according to the invention from the front, Figure 7 is a II- of FIG. Fig. 8 is a cross-sectional view showing a cross-sectional view taken along the line II, and Fig. 8 is a longitudinal cross-sectional view showing a cross section taken along the line III-III of Fig. 6, Fig. 9 is a longitudinal cross-sectional view showing a cross-sectional view taken along the line IV-IV of Fig. 6, and Fig. 10 As a schematic configuration diagram showing a state of use for operating a wall-mounted microwave oven according to the present invention, the present invention provides a user with a lower inner side of the door 200 between the front plate 220 and the door frame 230. Accordingly, the controller 300 may be integrally provided to operate the various foods selectively.

The controller 300 is installed on the door panel 210 and the circuit board 340 on which various circuit components are mounted, and one end of the circuit pattern formed on the circuit board and the other end of the door ( A plurality of conductive switches 350 in close contact with the rear of the front plate 220 constituting the 200, and the switch pad 360 to support the respective conductive switches on the circuit board 340 so as not to leave the position It is largely composed.

At this time, the electric wire 342 for power connection and signal transmission to the circuit board 340 is simply configured to be arranged along one side of the interior of the door 200 as shown in Figure 7 so that the detailed description thereof will be omitted. do.

In addition, when the conductive switch 350 is mounted between the circuit board 340 and the front plate 220, the conductive rubber has elasticity so that both surfaces thereof are always completely in contact with the circuit board 340 and the front plate 220. The length of the circuit board 340 may be longer than that between the front surface of the circuit board 340 and the rear surface of the front plate 220.

The circuit board 340 is integrally provided with an LCD 341 for displaying the operation state and cooking progress state of each microwave oven so that a user can easily grasp the state.

A coating layer 221 coated with a conductive ceramic is formed on a portion of the inner surface of the front plate 220, which is a portion where one end of each conductive switch is in close contact.

This is to more accurately sense when the user presses the front plate 220 on which the conductive switch 350 is located in order to perform an operation so that the conductive pattern can be smoothly formed by the circuit pattern formed on each circuit board 340. to be.

In addition, by forming a wider area to sense the user's contact as described above, the operation description according to each area, that is, the time adjustment, the amount of food to be cooked, fast cooking, etc. This is because the display mode 222 can be formed more smoothly.

In addition, the front plate as described above, even if the glass material is fine, but by any contact with the human body may be any material that can be made a certain amount of conductivity.

In addition, the shield cover 370 is mounted to surround the circuit board 340 inside the front plate 220 and the door frame 230 to prevent damage to various circuits of the circuit board due to various moisture generated during cooking. To be able.

This, even though the door frame 230 may be prevented to some extent as described above, but in order to prevent damage to various circuit components due to the impact, such as a separate shield cover 370, such as a separate reinforcing plate It is more preferable to mount.

Therefore, when the user wants to operate the controller unit 300 for the use of the microwave oven, as shown in FIG. 10, the cooking required by the user among the display modes 222 that are simply displayed through the front panel 220. When the display mode is touched with a hand or the like, the current of the human body is conducted and transferred to the conductive switch 350 made of conductive rubber, and subsequently, the conductive pattern is conducted with the circuit pattern formed on the circuit board 340 to achieve its control. It will be possible.

When the human body is in contact with the front plate 220 made of a glass material in the above, the glass material may also be weak, but the conductive may be made, and the thickness of the front plate is coated with a conductive ceramic coating layer 221 This is possible as long as the challenge can be made sufficiently.

On the other hand, the controller-integrated door having the same structure as the present invention is not a technology that can be applied only to the wall-mounted microwave oven.

That is, it is possible to apply the same to a general microwave oven, and thus, the design aspect can be more easily understood by those skilled in the field.

As described above, the present invention is provided with an integrated controller for controlling the operation of the microwave oven in the door of the microwave oven, but the position of the controller is configured to be located on the lower side of the door, so that the operation of the controller according to the needs of the user is more convenient. In addition, the LCD which displays various states can also be properly positioned at the user's eye level, thereby improving the user's reliability of the product.

In addition, it is possible to improve the appearance quality of the product can additionally obtain the effect that the user is satisfied in terms of design.

Claims (5)

The door panel forming the frame of the door A front plate integrated with a front surface of the door panel and made of a transparent material, a door frame forming a rear side of the door panel with a predetermined distance from the front plate, The controller integrated door of the microwave oven, characterized in that it comprises a controller unit for operating to select a cooking mode between the front plate and the door frame. The method of claim 1, Controller part, A circuit board on which various circuit parts of the door panel are mounted; A plurality of conductive switches in close contact with the rear surface of the front plate constituting the door while one end thereof contacts the circuit pattern formed on the circuit board; And a switch pad for supporting each of the conductive switches on a circuit board. The method of claim 2, The conductive switch is composed of conductive rubber material with elasticity, and its length is longer than the length between the front of the circuit board and the back of the front board. When both sides are mounted between the circuit board and the front board, both sides of the conductive switch are always The controller-integrated door of a microwave oven, characterized in that the plate is in contact with the plate. The method of claim 2, Forming a coating layer coated with a conductive ceramic on a portion of the inner surface of the front plate, which is a close contact portion of each conductive switch, so that the conductive pattern to the circuit pattern formed on each circuit board can be made more smoothly according to the user's choice. Range controller integrated door. The method according to claim 1 or 2, The controller integrated door of the microwave oven, characterized in that the shield cover is installed inside the front plate and the door frame to prevent damage to the various circuits of the circuit board due to various moisture generated during cooking.