KR0118794Y1 - Cooling fan air direction control device of electronic range - Google Patents

Abstract

The present invention relates to a cooling fan fondant adjusting device for a microwave oven for cooling a magnetron and a high voltage transformer mounted in an electric equipment compartment of a microwave oven, in particular, a main body, an electric equipment compartment, a magnetron and a high pressure transformer, a high pressure capacity, In the cooling fan wind direction adjusting device of the microwave oven consisting of a cooling fan and a guide, the air direction of the cooling air is guided to the magnetron so that the cooling air supplied by the cooling fan can be cooled more efficiently than the magnetron. Microwave oven consisting of an upward wind direction guide mounted on the front upper portion of the guide inclined upward from the upper side, and guided to the high pressure transformer and the high pressure capacity, and downward wind guide mounted on the front lower portion of the guide tilted upward from the rear. Of the cooling fan wind direction control device of the Cooling of magnetron, high pressure transformer and high pressure capacity is more efficient by equipping the guide with upward wind direction guide to concentrate the cooling air to the magnetron and downward wind guide to concentrate the cooling air to the high pressure and high pressure capacity. You can.

Description

Microwave Cooling Fan Wind Direction Adjuster

The present invention relates to a cooling fan wind direction control device of a microwave oven for cooling the magnetron and the high-pressure transformer mounted in the electronics compartment of the microwave oven, in particular, more cooling air flows into the magnetron, high-pressure transformer and high-pressure capacity intensively The present invention relates to a cooling fan wind direction adjusting device for a microwave oven capable of more efficiently cooling a magnetron, a high pressure transformer, and a high pressure capacity.

In general, a microwave oven for cooking food by dielectric heating by high frequency, as shown in Figure 1, the main body 1 for forming the appearance of the microwave oven, and the electrical equipment compartment partitioned on one side of the main body ( 2) a magnetron 3 for oscillating a high frequency so as to be cooked by dielectric heating of food, a high voltage transformer 4 for generating a high voltage such that the high frequency is oscillated from the magnetron 3, and a high pressure capacity 5 ), A fan (6) rotated to cool the high pressure capacity (5), the high pressure transformer (4), and the magnetron (3), and external air is rotated by the rotation of the fan (6). (3) and the high pressure transformer (4) and a guide (7) for guiding the outside air to cool the high pressure capacity (5).

In the conventional microwave oven, since the guide 7 is simply formed, cooling air introduced from the outside by the fan 6 more efficiently flows into the magnetron 3 and the high pressure transformer 4. There was a problem that the cooling efficiency of the parts is not reduced.

That is, although the magnetron 3 is installed in the upper part of the electrical equipment compartment 2 and the high voltage transformer 4 is installed in the lower part of the electrical equipment compartment 2, all the cooling air supplied from the outside is supplied. There is a problem that the magnetron 3 and the high-pressure transformer 4 cannot be cooled more efficiently by being uniformly supplied in the direction.

The present invention was made in view of the above-mentioned problems, and the object of the present invention is to efficiently introduce more cooling air into the magnetron, the high pressure transformer, and the high pressure capacity so that the magnetron, the high pressure transformer, and the high pressure capacity are more efficient. The present invention provides a cooling fan wind direction adjusting device for a microwave oven that can be cooled.

In order to achieve the above object, a cooling fan wind direction adjusting apparatus for a microwave oven according to the present invention includes a main body for forming an external appearance of a microwave oven, an electrical equipment compartment partitioned on one side of the main body, and an upper portion of the electrical equipment compartment. And a magnetron that oscillates high frequency so that food can be cooked by dielectric heating, and generates a high voltage so that the high frequency is oscillated from the magnetron, and a high voltage transformer mounted on the lower part of the electrical equipment compartment, high pressure capacity, and high pressure capacity A cooling fan rotated to cool the high pressure transformer and the magnetron, and external air guides and supports the external air so that external air cools the magnetron, the high pressure transformer and the high pressure capacity by the rotation of the cooling fan. Guides fixed to the rear wall of the electrical equipment room A cooling fan wind direction adjusting device of a microwave oven, wherein the cooling air supplied by the cooling fan guides the wind direction of the cooling air to the magnetron to be inclined upwardly upward from the rear to allow the cooling air to be cooled more efficiently. The upward wind direction guide mounted on the front upper part of the guide, and the air direction of the cooling air to the high pressure transformer and the high pressure capacity to cool the high pressure transformer and the high pressure capacity sheet more efficiently and from the rear upwards. It characterized by consisting of a downward wind direction guide is mounted on the front lower portion of the guide inclined downward.

According to the cooling fan wind direction control device of the microwave oven according to the present invention, the cooling air to the upwind direction guide, high-pressure transformer and high-pressure capacity so that the cooling air flows intensively into the magnetron in the guide that guides the flow of the wind direction The downward wind guide is installed so that the magnetron, the high pressure transformer and the high pressure capacity can be cooled more efficiently.

1 is a cross-sectional view schematically showing the internal structure of a microwave oven applied to a conventional example.

Figure 2 is a perspective view showing a portion of the microwave oven is equipped with a cooling fan wind direction adjustment apparatus applied to the present invention.

Figure 3 is a cross-sectional view schematically showing a cross section of the cooling fan wind direction adjusting device applied to the present invention.

* Explanation of symbols for main parts of the drawings

10: main body 20: electrical equipment room

21: magnetron 22: high voltage transformer

23: high pressure capacity 25: rear wall

30: cooling fan 41: support

42: motor 51: guide

61: upward wind guide 62: downward wind guide

Hereinafter, with reference to the accompanying drawings an embodiment of a cooling fan wind direction adjusting apparatus of a microwave oven according to the present invention will be described in detail.

2 is a perspective view showing a portion of the microwave oven equipped with a cooling fan wind direction adjusting device applied to the present invention, Figure 3 is a cross-sectional view schematically showing a cross-section of the cooling fan wind direction adjusting device applied to the present invention. .

In FIG. 2 and FIG. 3, reference numeral 10 denotes a main body for forming an external appearance of a microwave oven, the inside of which is divided into a cooking chamber for dielectric heating of food by high frequency and cooking, and an electrical equipment chamber 20 in which electrical components are disposed. It is formed.

In addition, a magnetron 21 for oscillating a high frequency is installed at an upper portion of the center of the electrical equipment compartment 20 so that food stored in the cooking chamber is dielectrically heated, and at the lower portion of the magnetron 21 in the magnetron 21. The high voltage transformer 22 and the high voltage capacity 23 which generate a high voltage so that high frequency oscillates are mounted.

In addition, the support 41 is fixed to the electrical equipment room 25, and the support 41 is equipped with a motor 42 which generates rotational power when the microwave oven is operated, and on the shaft of the motor 42. The cooling fan 30 which is rotated by the rotational power of the motor 42 to supply the cooling air is mounted.

In addition, the support (41) is fixed to the guide 51, the front and rear open to guide the flow of the cooling air supplied by the cooling fan 30, the cooling on the upper portion of the front surface of the guide 51 In order to cool the magnetron 21 more efficiently, the cooling air supplied by the fan 30 guides the air direction of the cooling air to the magnetron 21 upwardly upward from the rear to upwardly upward. ) Is installed.

In addition, in the lower portion of the front surface of the guide 51, the direction of the air for cooling the high-pressure transformer 22 and the high-pressure capacity 23 to cool more efficiently, the high-pressure transformer 22 and the high-pressure copy A downward wind direction guide 62 is provided to be inclined downward from the rear to guide the city 23.

Next, the effect of the cooling fan wind direction control device of the microwave oven according to the present invention configured as described above will be described.

First, when food is stored in a cooking chamber and the power is turned on in order to cook food by dielectric heating, high voltage is generated in the high voltage transformer 22 of the electrical equipment compartment 20.

In addition, the high voltage generated in the high voltage transformer 22 is applied to the magnetron 21, and when a high voltage is applied to the magnetron 21, the high frequency of 2450 MHz is oscillated in the magnetron 21.

In addition, the high frequency oscillated by the magnetron 21 is guided to the waveguide to be radiated into the cooking chamber to cook food by heating the food stored in the cooking chamber.

On the other hand, since the high frequency is generated in the magnetron 21 and the high voltage is generated in the high-voltage transformer 22, the magnetron 21, the high-voltage transformer 22 and the high-pressure capacity 23 is generated heat.

In addition, power is applied to the motor 42 at the same time as the operation of the microwave oven, so that rotational power is generated in the motor 42, and the cooling fan 30 is rotated by the rotational power of the motor 42. .

In addition, by the rotation of the cooling fan 30, the cooling air is introduced into the electrical equipment compartment 20 from the outside.

At this time, the front of the guide 51 for guiding the flow of the cooling air is installed with an upward wind direction guide 61 installed inclined upwardly from the rear and a downward wind guide 62 installed inclined downwardly upward from the rear, In addition, the magnetron 21 mounted on the top of the electrical equipment compartment 20 and the high pressure transformer 22 and the high pressure capacity 23 mounted on the lower portion of the electrical equipment compartment 20 can be cooled more efficiently. Can be.

That is, more air for cooling flows into the magnetron 21 mounted on the upper part of the electrical equipment room 20 by the upward wind guide 61 to cool the magnetron 21 more efficiently. More cooling air flows into the high pressure transformer 22 and the high pressure capacity 23 mounted in the lower part of the electrical equipment compartment 20 by the downward wind direction guide 62, and thus the high pressure transformer 22 and The high pressure capacity 23 can be cooled more efficiently.

As described above, according to the cooling fan wind direction adjusting device of the microwave oven according to the present invention, a cooling guide is provided with an upward wind direction guide, a high pressure transformer and a high pressure capacity so that the cooling air flows intensively into the magnetron in the guide that guides the flow of the wind direction. By installing a downward wind guide to concentrate the air, there is a very practical effect of cooling the magnetron, the high pressure transformer and the high pressure capacity more efficiently.

Claims (1)

The main body 10 forming the appearance of the microwave oven, the electrical equipment compartment 20 formed on one side of the main body 10, and the upper portion of the electrical equipment compartment 20 is mounted on the top of the electrical food compartment so that the food can be heated to cook. A magnetron 21 for oscillating a high frequency, a high voltage generating 22 to generate a high voltage so as to oscillate a high frequency in the magnetron 21, a high voltage transformer 22 mounted at a lower portion of the electrical equipment compartment 20, a high pressure capacity 23, Cooling fan 30 rotated to cool the high pressure capacity 23, the high pressure transformer 22, and the magnetron 21, and external air is rotated by the rotation of the cooling fan 30. 21) guides the outside air to cool the high pressure transformer 22 and the high pressure capacity 23 and is fixed to the rear wall 25 of the electrical equipment compartment 20 through the support 41. Of the microwave oven, characterized in that consisting of (51) In the cooling fan wind direction adjusting device, the air direction of the cooling air is guided to the magnetron 21 so that the cooling air supplied by the cooling fan 30 cools the magnetron 21 more efficiently. Cooling air to cool the upward direction guide 61 mounted on the front upper portion of the guide 51 and the high-pressure transformer 22 and the high-pressure capacity 23 more efficiently inclined upward from the Microwave oven characterized in that the wind direction is guided to the high-pressure transformer (22) and the high-pressure capacity (23) consisting of a downward wind direction guide (62) mounted on the lower front of the guide 51 inclined downward from the rear upwards. Cooling fan wind direction control device.