KR20000004981U - microwave - Google Patents

Abstract

The present invention relates to a microwave oven, the purpose of which is to improve the front panel opening to which the control panel is attached to prevent foreign substances from entering the control device.

In the microwave according to the present invention, the cooking chamber 20 is formed in the upper space of the cabinet 10, and the electrical equipment room 50 is formed in the lower space, so that the control panel 40 corresponds to the electrical cabinet 50 and the front of the cabinet 10. Since the plate 11 is mounted at the lower end portion, the rectangular opening 12 is formed at the lower end of the front plate 11 of the cabinet 10 so that the control device 42 mounted on the rear surface of the control panel 40 is connected. The foreign matter inflow prevention part 13 which protrudes to the front side along the boundary surface which comprises the opening part 12 is provided.

Therefore, even if the food flowing in the cooking chamber 20 flows down between the control panel 40 and the cabinet 10 front plate 11, it is prevented from entering the control device 42 by the inflow prevention unit 13. By doing so, there is an advantage that no electric shock or breakdown occurs.

Description

microwave

The present invention relates to a microwave oven, and more particularly, to a rectangular open portion structure of a cabinet front plate in which a control panel is mounted on a lower part of a door.

In general, a microwave oven is a mechanism in which food is cooked by frictional heat between molecules by repeatedly converting a molecular array of moisture contained in a food to radiate a high frequency of 2450 MHz in a magnetron into a cooking chamber. Recently, various models have been proposed. 1 is a perspective view showing a monitor look type (MONITOR LOOK TYPE) microwave oven.

As shown in the figure, the monitor look type microwave oven is provided with a cooking chamber 1a on the upper part of the cabinet 1 on the rectangular parallelepiped forming an appearance, and an electrical equipment compartment 4 on which a plurality of electrical appliances are installed.

The electronics compartment 4 includes a magnetron (not shown), a high voltage transformer (not shown), a capacitor 4a, and the like, which oscillate high frequency to the cooking chamber 1a, and have a cabinet facing the electrical equipment compartment 4 and the front side. Under the front panel 5 of (1), a control panel 3 provided with a plurality of operation buttons for setting cooking conditions of a microwave oven is mounted. The back of the control panel 3 is provided with a PCB assembly 3a which is operated by an input signal of an operation button. Therefore, a rectangular opening 5a is formed in the lower part of the cabinet 1 facing the back of the control panel 3 so as to communicate with the outside, so that the PCB assembly 3a is formed. It extends to the inside of the yarn 4.

On the other hand, the cooking chamber (1a) formed on the cabinet (1) is one side is open, the door (2) for opening and closing it is coupled to the cabinet 1, the front plate (5) upper side through the hinge member rotatably coupled. .

Therefore, when the user puts food in the cooking chamber 1a and operates the microwave oven through the operation button while the door 2 is closed, the microwave is radiated from the magnetron to the inside of the cooking chamber 1a, whereby the food irradiated by the high frequency. The cooking takes place by the frictional heat generated as the molecular sequence of moisture is rapidly converted.

However, in the conventional microwave oven, since the control panel 3 is mounted below the door 2 and the rectangular opening 5a is formed under the front plate 5 facing the control panel 3, the cooking chamber is provided. When the food overflows in (1a), it is introduced into the PCB assembly (3a) consisting of a plurality of electrical components through the opening (5a) to generate a breakdown phenomenon. That is, the overflowing food flows down between the control panel 3 and the front plate 5 and falls to the PCB assembly (a) mounted on the back of the control panel 3 through the opening 5a. There is a problem in that the occurrence of a short circuit and an electric shock is caused to reduce the reliability of the overall product.

The present invention is to solve this problem, the purpose of the present invention is the lower part of the front panel of the cabinet because the control room is mounted on the lower portion of the front panel corresponding to the electrical equipment compartment is formed in the upper compartment of the cabinet and the electrical compartment in the lower space The rectangular opening is configured to be connected to the control device mounted on the back of the control panel, and the foreign matter spilled inside the cooking compartment is provided between the control panel and the cabinet front plate by providing a foreign matter inflow prevention part protruding forward along the boundary forming the opening. It is to provide a microwave that is prevented from flowing into the control device by the inflow prevention unit even flows down.

1 is a partial cross-sectional view schematically showing a microwave oven of the conventional monitor look type.

2 is a perspective view showing a monitor look type microwave oven to which the present invention is applied.

Figure 3 is a partial cutaway perspective view showing a front plate structure of a microwave oven according to the present invention.

4 is a partial cross-sectional view showing an opening of the cabinet front plate according to the present invention.

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

10. cabinet 11. front panel

12. Opening section 13. Inflow prevention section

40. Control panel 42. Control device

The present invention for achieving the above object is a cabinet in which a high frequency radiation is radiated in the upper inner space and a cooking compartment in which food is cooked, and a electrical equipment compartment in which a plurality of electrical equipment is mounted in the lower space, a cabinet front plate corresponding to the front of the electrical equipment compartment The control panel is coupled to the lower side and is equipped with a control panel with a plurality of operation buttons, an open portion that is open in a square shape on the front panel corresponding to the back of the control panel, and is mounted on the back of the control panel, and has a control unit installed to extend into the interior of the electrical equipment room through the opening. In the stove,

The front plate is formed to be bent toward the front side along the edge of the opening portion is characterized in that the inlet prevention portion is provided to prevent foreign substances entering the gap between the control panel and the front plate to enter the control device.

Hereinafter, one preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a perspective view showing the overall structure of the monitor look type microwave oven to which the present invention is applied, Figures 3 and 4 is a partial cross-sectional view showing a perspective view of the front plate and the control panel shown in accordance with the present invention.

As shown in the monitor look type microwave oven according to the present invention, the cooking chamber 20 is formed in the upper space of the cabinet 10 having a rectangular hexahedral shape, the electrical equipment room is installed a plurality of electrical appliances in the lower space ( 50) is provided to be partitioned.

The door 30 that opens and closes the cooking chamber 20 is coupled to one upper surface of the cabinet 10 front plate 11. One end of the door 30 is rotatably coupled to the cabinet 10 via a hinge member, and the other end is configured with a latch device 31 and a handle 32 to maintain a locked state. In the cooking chamber 20, a cooking plate 21 on which food is placed is installed, which is formed of a rectangular plate of glass material through which high frequency is transmitted.

In addition, the electrical equipment room 50 includes a magnetron (not shown) radiating high frequency to the cooking chamber 20 and a high voltage transformer (not shown) and a capacitor 51 for applying a high voltage to the magnetron. The control panel 40 is mounted. On the front of the control panel 40, a plurality of operation buttons 41 are configured as a means for manipulating the cooking stroke, and on the back, a plurality of electric parts and PCBs for operating the microwave through a signal input through the operation button 41. A control device 42 composed of an assembly or the like is provided.

The control device 42 is connected to a plurality of electrical components mounted in the electrical equipment room 50, for this purpose is opened in a rectangular shape on the lower side of the front plate 11 of the cabinet 10 facing the control panel 40. The opening part 12 is formed. On the other hand, the opening 12 is formed with a foreign matter inflow prevention portion 13 bent to the front side as a characteristic element of the present invention, foreign matter flowing through the gap between the control panel 40 and the front plate (11). Flow into the control device 42 is prevented.

That is, a rectangular open portion 12 is formed at the lower side of the front plate 11, and a foreign material inflow preventing portion 13 is formed to be bent 90 degrees so as to protrude toward the front side along the boundary surface forming the open portion 12. It is. Therefore, even if liquid food flows from the cooking chamber 20 located above and flows in between the control panel 40 and the cabinet 10 front plate 11, this is controlled by the inflow preventing unit 13. Rather than flow directly down the inflow prevention portion 13 and the cabinet 10 flows down the front plate (11).

Next will be described the operation and effect of the microwave oven according to the present invention configured as described above.

First, on the cooking plate 21 provided on the bottom surface of the cooking chamber 20, a food or a container in which it is placed is placed. When the microwave oven is operated by operating the operation button 41 provided on the front of the control panel 40 while the door 30 is closed, high frequency radiation is emitted from the magnetron to the cooking chamber 20. The food irradiated at such a high frequency is uniformly cooked by the heat of friction due to the rapid molecular transformation of water.

After the cooking is completed and the operation is stopped, the door 30 is grabbed by the handle 32 and pulled forward so that the latch 31 comes out, and the door 30 rotates clockwise around the hinge member. The front part is opened, and the food placed in the cooking dish 21 is taken out through this.

On the other hand, during the cooking process or due to carelessness of the user overflows the soup or foreign matter, etc. of the food to the bottom of the cooking chamber 20 continues to flow on the front plate 11, this liquid foreign matter is the opening portion 12 It is prevented from falling into the control device 42 by the foreign matter inflow prevention portion 13 formed to protrude along the interface of the.

That is, since the foreign matter inflow prevention part 13 which protrudes forward along the boundary of the opening part 12 formed so that the control apparatus 42 may extend and install in the electrical equipment compartment 50 is provided, the control panel 40 and a cabinet are provided. (10) Foreign substances entering between the front plate 11 do not directly penetrate into the control device 42 composed of a plurality of electrical components by the inflow prevention unit 13 and flow down to the outside.

Therefore, even if food containing water spills due to carelessness of the user, it is suppressed from flowing into the control device 42, so that short shortage or insulation breakdown does not occur, thereby improving product reliability.

As described in detail above, the microwave oven according to the present invention is mounted on the rear of the control panel because the cooking compartment is formed in the upper space of the cabinet and the electrical compartment is formed in the lower space of the cabinet, so that the control panel is mounted at the lower end of the cabinet front plate corresponding to the electrical compartment. A rectangular opening is formed at the lower end of the front plate of the cabinet so that the control device is connected, and a foreign material inflow prevention part protruding forward along the boundary forming the opening is provided.

Therefore, even when the food flowing in the cooking chamber flows down between the control panel and the cabinet front plate, it is prevented from flowing into the control apparatus by the inflow preventing unit, thereby preventing an electric shock or an insulation breakdown phenomenon.

Claims (1)

Cabinet 10, which is a high-frequency radiation in the upper interior space is cooked food is cooked and the electrical equipment compartment 50 is installed in the lower space a plurality of electrical equipment is formed, corresponding to the front of the electrical equipment compartment 50 The control panel 40 coupled to the lower side of the cabinet 10 front panel 11 and provided with a plurality of operation buttons 41 is opened in a square shape on the front panel 11 corresponding to the rear surface of the control panel 40. In the microwave oven equipped with a control unit 42 is mounted to the open portion 12, the control panel 40, the rear side is extended to the interior of the electrical equipment room 50 through the opening portion 12, The front plate 11 is formed to be bent toward the front side along the boundary of the open portion 12 is that foreign matter entering the clearance between the control panel 40 and the front plate 11 is introduced into the control device 42. Microwave oven characterized in that the inlet prevention portion 13 is provided to prevent.