KR200229356Y1 - A insulation structure for over the range - Google Patents

Abstract

The present invention relates to a heat insulating structure of a microwave oven. The present invention relates to a heat insulating structure of a microwave oven. In the present invention, the insulator 50 is installed on one side of the cavity 30 to insulate one side of the cavity 30, and an insulation space 52 is formed inside the insulator 50. The adiabatic space 52 communicates with the interior of the stirrer pan chamber 42 installed at one side of the cavity 30 in the insulator 50. The inside of the stirrer pan chamber 42 is agitated with microwaves and convection of air through the inside of the cooking chamber 32 and the stirrer pan chamber 42 and the heat insulating space 52 to the heat insulating space 52. By placing relatively high temperature air serves to insulate the cooking chamber 32 and the outside. According to the present invention as described above there is an advantage that the configuration for the insulation of the cooking chamber 32 is simplified.

Description

A insulation structure for over the range

The present invention relates to a microwave oven, and more particularly to a heat insulating structure of the microwave oven for heat insulation in the cooking chamber.

1 is a cross-sectional view showing the configuration of a microwave oven according to the prior art. As shown in the drawing, the cooking chamber 3 in which cooking is performed is provided in the cavity 1 serving as a frame of the microwave oven. The cooking chamber 3 heats the food using microwave and heater heat in an environment shielded from the outside as the door (not shown) is opened or closed.

One side of the cavity 1 corresponding to the side of the cooking chamber 3 is provided with an electrical equipment chamber 5 in which electrical components such as a magnetron 7 and a high voltage transformer 8 for oscillating microwaves are installed. The cooling fan motor 9 is installed above the electrical compartment 5, and the cooling fan 9 ′ is rotated by the cooling fan motor 9 to replace the electrical components installed in the electrical compartment 5. Cooled.

The turntable motor 10 is installed on the lower surface of the cavity 1, and the turntable motor 10 rotates the turntable 10 ′ in the cooking chamber 3. The turntable 10 ′ is a portion on which food is placed, and the microwaves are evenly transmitted to the food while being rotated while the food is placed thereon.

On the other hand, the stirrer fan 11 is installed on one side of the cavity 1, that is, the side opposite to the electric compartment 5. The stirrer pan 11 stirs the microwaves oscillated in the magnetron 7 and injected into the cooking chamber 3 so that the microwaves are transmitted to the entire cooking chamber 3. The stirrer fan 11 is installed inside the stirrer fan chamber 12, and the stirrer fan 11 is rotated by a fan motor 13 installed outside the stirrer fan chamber 12.

The insulator 14 is installed to cover the side surface of the cavity 1 including the stirrer pan chamber 12 in order to prevent the heat inside the cooking chamber 3 from being discharged through the side surface of the cooking chamber 3. do. Such an insulator 14 is filled with a wool, which is a heat insulating material.

Next, a heater chamber 15 is installed on the upper surface of the cavity 1, and an upper heater 16 is installed inside the heater chamber 15. The upper heater 16 is installed on the upper surface of the cavity 1 to provide heater heat to the inside of the cooking chamber 3. In addition, a convection fan 17 is installed inside the heater chamber 15 to allow the heat of the upper heater 16 to convex in the cooking chamber 3. The convection fan 17 is driven by a fan motor 18.

In addition, an exhaust fan assembly 19 is installed at an upper end of the rear surface of the cavity 1 to perform a hood function. The exhaust fan assembly 19 serves to suck the smoke generated in the gas oven range, etc. installed in the lower portion of the microwave oven through the lower surface of the microwave oven and discharge the smoke to the outside.

Reference numeral 20 is an outer case.

In the present invention having such a configuration, the microwaves are injected from the magnetron 7 into the cooking chamber 3, and the stirrer pan 11 is stirred by the microwaves to reflect the entire cooking chamber 3. Will heat.

In addition, depending on the type of cooking, the upper heater 16 generates heat and the convection fan 17 is rotated to transmit convective heat to the inside of the cooking chamber 3 to heat the food. In addition, the food is heated by using the microwaves together with the heat of the upper heater 16.

However, the above-described prior art has the following problems.

The insulator 14 and the heat insulator 14 'are used to prevent heat dissipation through the side of the cavity 1, which is relatively inferior in assembly and expensive in material.

That is, filling the heat insulator 14 'in the insulator 14 during the assembling process of the microwave oven is very cumbersome, and the wool used as the heat insulator 14' is relatively expensive, thereby increasing the manufacturing cost. .

Therefore, an object of the present invention is to solve the problems of the prior art as described above, and to simplify the thermal insulation structure for preventing heat release of the cavity.

Another object of the present invention is to make the convection inside the cooking chamber more smooth.

1 is a cross-sectional view showing the configuration of a microwave oven according to the prior art.

Figure 2 is a cross-sectional view showing the configuration of a preferred embodiment of the heat insulating structure of the microwave oven according to the present invention.

Figure 3 is an operating state showing that the embodiment of the present invention is operated.

Explanation of symbols on the main parts of the drawings

30: cavity 32: cooking chamber

34: turntable assembly 36: battlefield

37: magnetron 38: high voltage transformer

40: Stirrer fan 42: Stirrer fan chamber

43: through 44: fan motor

50: insulator 52: insulation space

60: convection heater assembly 62: vent fan assembly

66: outer case

According to a feature of the present invention for achieving the object as described above, the present invention is provided in a cavity having a cooking chamber for performing cooking using a heater heat and microwave, and is provided in the chamber installed on one side of the cavity An insulator having a stirrer pan that stirs the microwaves and convections the heater heat, and an insulating space that covers one side of the cavity including the chamber and is filled with the hot air supplied from the cooking chamber by the stirrer pan. It is configured to include.

The chamber is provided with a plurality of through-holes for communication with the insulating space inside the insulator, the communication hole for communicating the insulating space and the cooking chamber is formed on the side wall of the cavity in which the insulator is mounted.

According to the present invention having such a configuration, it is possible to perform insulation of one side of the cavity by using relatively hot air inside the cooking chamber without using a separate heat insulator, so that the configuration of the microwave is relatively simple. There is this.

Hereinafter, a preferred embodiment of the heat insulation structure of the microwave oven according to the present invention as described above will be described in detail with reference to the accompanying drawings.

2 and 3, the cooking chamber 32 is formed inside the cavity 30 serving as a frame of the microwave oven. The inside of the cooking chamber 32 is heated by the microwave or heater heat. The cooking chamber 32 is provided with a turntable assembly 34 for rotating the food so as to uniformly heat the whole food.

An electrical equipment room 36 is provided at one side of the cavity 30 corresponding to the cooking chamber 32. The electrical component room 36 is provided with electrical components for irradiating microwaves into the cooking chamber 32. As such, examples of the electric component installed in the electric compartment 36 include a magnetron 37 and a high voltage transformer 38.

A cooling fan assembly 39 is installed at the upper portion of the electric compartment 36 to cool the heat generated from the magnetron 37 and the high pressure transformer 38.

On the other hand, one side of the cavity 30 corresponding to the opposite side of the electric chamber 36 is provided with a stirrer pan 40 for stirring the microwaves irradiated into the cooking chamber 32 from the magnetron 37. That is, the stirrer pan chamber 42 is installed on one side of the cavity 30, and the stirrer fan 40 is installed therein. Such a stirrer fan 40 should be manufactured by applying the principle of the general fan so that the air can be convection, unlike the prior art that only stirred the microwave.

The stirrer fan chamber 42 is formed with a plurality of through-holes 43 for communication with the insulating space 52 to be described below. The through hole 43 is preferably formed along the surface of the stirrer pan chamber 42 corresponding to the circumferential direction of the stirrer fan 40.

And a fan motor 44 for driving the stirrer fan 40 is mounted to the outside of the stirrer fan chamber 42, more specifically to the outside of the insulator 50 to be described below.

In addition, the insulator 50 is installed to cover the entirety of one side of the cavity 30 in which the stirrer pan chamber 42 is installed. The insulator 50 has a heat insulating space 52 communicating therewith with the stirrer pan chamber 42 and the cooking chamber 32, respectively. Here, the communication between the cooking chamber 32 and the heat insulating space 52 is made by the communication hole 33 perforated on the side wall of the cavity 30.

Next, the convection heater assembly 60 is installed on the upper surface of the cavity 30 to provide convection by providing heater heat to the inside of the cooking chamber 32. A vent pan assembly 62 is installed at the rear end of the cavity 30 to provide a hood function and a driving force for air flow in the microwave oven. Reference numeral 66 denotes an outer case constituting the appearance of the microwave oven.

Hereinafter will be described the action of the heat insulation structure of the microwave oven according to the present invention having the configuration as described above.

In the cooking chamber, the food is heated by the microwave generated from the magnetron 37 or the heater heat generated from the convection heater assembly. At this time, the stirrer pan 40 serves to transfer the air in the cooking chamber 32 to the heat insulating space 52 while simultaneously stirring the microwaves to deliver more to the food.

Therefore, when cooking using only microwaves, the stirrup pan 40 serves to stir the microwaves, and also sucks the air inside the cooking chamber 32 into the stirrer pan chamber 42. The through hole 43 is transferred to the heat insulating space (52).

In this case, relatively high temperature air is filled in the heat insulating space 52 to form one heat insulating layer between the cooking chamber 32 and the outside. On the other hand, the air in the heat insulating space 52 is transferred to the inside of the cooking chamber 32 by the operation of the stirrer pan 40, as shown in FIG.

As a result, air of a relatively high temperature is always present in the heat insulating space 52 during the cooking by the operation of the stirrer pan 40 such that heat of the cooking chamber 32 is not transmitted to the outside. In addition, the air in the cooking chamber 32 is convexed back to the cooking chamber 32 through the stirrer pan chamber 42 and the adiabatic space 52 by the stirrer pan 40 to help convection inside the cooking chamber 32.

On the other hand, the adiabatic action by the stirrer pan 40 as described above is also performed when the cooking proceeds using the convection heat provided from the convection heater assembly 60.

That is, even when cooking using the convection heat of the convection heater assembly 60, the stirrer pan 40 is rotated, wherein the stirrer pan 40 does not stir the microwave, the cooking chamber ( The convection of the air is caused between the 32 and the heat insulating space 52, so that the air of a relatively high temperature is present in the heat insulating space 52 to perform heat insulation between the inside and the outside of the cooking chamber 32.

In the heat insulation structure of the microwave oven according to the present invention as described in detail above to form a heat insulation space in the interior of the insulator and to allow a relatively high temperature air flows into the heat insulation space to perform the heat insulation between the cooking chamber and the outside. .

Therefore, the configuration for the heat insulation is relatively simple to facilitate the assembly work of the microwave oven, it is possible to lower the manufacturing cost of the microwave oven because it does not need to use a separate heat insulating material.

In addition, since the convection inside the cooking chamber is smoothed by the convection action of the stirrer pan for supplying air to the adiabatic space, the inside temperature of the cooking chamber can be maintained uniformly and can be quickly increased.

Claims (2)

A cavity having a cooking chamber which performs cooking using a heater heat and a microwave, A stirrer fan provided in a chamber installed at one side of the cavity to stir the microwaves and convection the heater heat; And an insulator covering one side surface of the cavity including the chamber and having an insulation space filled therein with the hot air supplied from the cooking chamber by the stirrer pan. The method of claim 1, wherein the chamber is formed with a plurality of through-holes for communication with the insulation space inside the insulator, the communication hole for communicating the insulation space and the cooking chamber is formed on the side wall of the cavity in which the insulator is mounted. Insulation structure of microwave oven.