KR19990009603A - Electric appliance chiller of microwave - Google Patents

Abstract

The electronic device cooling apparatus of the microwave according to the present invention cools the electrical equipment such as the first and second transformers and the first and second magnetrons installed on the outer surface of the cavity by the external air sucked through the front lower end of the product. In the microwave oven having a cooling means to be discharged to the outside through the back panel, the cooling means does not collide with each other when the air sucked into one of the front lower part of the product flows along the outer rear surface of the cavity during operation. The first and second rotations which are simultaneously rotated by receiving the driving force of the motor on both ends of one motor installed on the rear surface of the cavity to form the divided airflow divided into two places and respectively cool the electric field dividedly disposed at two points of the divided airflow. It is characterized by the fact that it is provided with a second fan, which can provide sufficient cooling effect to the electrical equipment, and at the same time, the air passes through the exhaust port. Depending on when discharged to eliminate the vortex phenomenon and noise, which is capable of preventing a temperature rise of the product in advance.

Description

Electric appliance chiller of microwave

The present invention relates to an industrial microwave oven using a plurality of transformers and magnetrons, and more particularly, the outside air is sucked and guided to the rear (rear) at the same time as the fan is rotated through the inlet formed in the front lower end of the microwave oven. The present invention relates to an electric equipment cooling apparatus for a microwave oven, which is configured to efficiently cool electrical equipment (eg, transformers, magnetrons, etc.) disposed in a machine room and then be discharged through an exhaust port formed in a back panel.

In a conventional microwave oven, as shown in FIG. 1, an outer panel 20 is installed to cover both sides and an upper portion of the cavity 10, and the outside of the cavity 10 is provided with external air at the lower end of the front surface of the product. And the base panel 40 is installed at a predetermined interval so that the air flows to the machine room 30 formed at a predetermined interval on one side of the cavity 10 and the outer panel 20 at the same time. The back panel 50 is provided at the rear side of the back side 10 at a predetermined interval so that air passing through the machine room 30 flows to the back side of the cavity 10.

At this time, in the front of the product between the cavity 10 and the base panel 40, an inlet 60 is installed in the transverse direction so that outside air is sucked into the product, and in the machine room 30 On the outer sidewall of the cavity 10, the first and second transistors 70 and 71 are provided such that when the outside air sucked through the inlet 60 passes through the machine room 30, the outside air is contacted and cooled. Is installed, one side of the back panel 50 is provided with an exhaust port 51 to circulate the inside of the product to discharge the air and waste heat cooling the electrical components to the outside of the product.

On one side of the cavity 10 adjacent to the machine room 30 side, a cooling means 80 is provided to forcibly suck the outside air through the inlet 60, and the rear of the cavity 10. On one side of the cooling means 80 is provided with a cooling means 80, the duct 90 is installed to guide the air sucked in accordance with the operation in two directions of the predetermined position, the cavity 10 The first and second magnetrons 100 and 101 are installed in the up and down direction at regular intervals so as to be cooled by the air discharged through the duct 90 at two exit sides of the duct 90 with respect to the rear surface of the duct 90. have.

At this time, the cooling means 80 is composed of a motor 81 which is driven by receiving power, and a propeller-type fan 82 that is rotated by receiving the driving force of the motor 81.

The duct 90 is bent in an inverted C shape so that the air generated by the driving of the cooling means 80 flows into one place and bisects in an up and down direction. The duct 90 is formed at the upper and lower outlets (not shown). The first magnetron 100 and the second magnetron 101 are provided adjacent to each other.

However, according to the conventional electrical equipment cooling apparatus for a microwave oven configured as described above, the first and second transformers 70 and 71 are provided on the side wall of the cavity 10, and the first and second magnetrons 100 are provided. 101 is installed on the rear surface of the cavity 10 to be simultaneously cooled by one propeller-type cooling means 80, but such a structure has an intake port at the lower end of the front surface of the product when the cooling means 80 is operated. The outside air sucked through the 60 flows through the gap between the cavity 10 and the base panel 40 and is supplied to the machine room 30 while the flow is bent at a right angle, thereby providing the first and second transformers 70. (71) was not cooled sufficiently.

In addition, when the air passing through the machine room 30 is supplied to the first and second magnetrons 100 and 101 while the flow is bent at right angles again through the gap between the cavity 10 and the back panel 50. Due to the fan 82 and the duct 90 of the airflow shortage occurred, the first and the second magnetron (100, 101) did not sufficiently cool.

In addition, although the air passing through the first and second magnetrons 100 and 101 is discharged through one exhaust port 51 formed at one side of the back panel 50 so as to be discharged to the outside of the product, this structure is The exhaust port 51 does not immediately discharge the air and waste heat passing through the first and second magnetrons 100 and 101, but stagnates inside the product and collides with new air continuously supplied to generate vortex phenomena. Simultaneously with noise, there is a problem that the cooling efficiency is lowered by raising the temperature inside the product.

Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to prevent the air from being sucked to the front and bottom of the product according to the rotation of the two-way fan does not collide with each other, the flow is divided into two directions naturally in two places It is to provide a microwave electric equipment cooling device to sufficiently cool the partitioned whole sugar, and to immediately remove the vortex phenomenon and noise as it is immediately discharged through the exhaust port, and to prevent the temperature rise inside the product. have.

Electric equipment cooling apparatus for a microwave oven according to the present invention made to achieve the above object, the first and second transformer and the first and second transformer is installed on the outer surface of the cavity by the outside air sucked through the front lower end of the product In the microwave oven having a cooling means for cooling the electrical equipment, such as 2 magnetron, and then discharged to the outside through the back panel, the cooling means is the air sucked into one of the lower front of the product when the cooling means is the outer back of the cavity The driving force of the motor is provided at both ends of a single motor installed at the rear of the cavity to cool each of the electric fields divided at two points of the divided airflow, while forming a divided gas which is divided into two places without colliding with each other when flowing along the flow path. It is characterized in that it is provided with a first fan and a second fan that is rotated simultaneously.

1 is a rear view showing an electric equipment cooling apparatus of a microwave oven according to the related art;

2 is a rear view showing the electric equipment cooling apparatus of the microwave oven according to the present invention.

Explanation of symbols for the main parts of the drawings

200: cavity 230: back panel

231, 232: first and second exhaust mechanism 250: cooling means

251: motor 252, 253: first and second fan

260, 261: first and second trans 270, 271: first and second duct

280, 281: first and second magnetrons

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 2, the microwave oven of the present invention is provided with an outer panel 210 so as to cover both sides and an upper portion of the cavity 200. At the same time as the air is sucked in, the base panel 220 is installed at a predetermined interval so that the air flows to the rear surface of the cavity 200, and the rear side of the cavity 200 from the rear surface of the cavity 200 so that air flows. The back panel 230 is installed at a predetermined interval.

At this time, in the front of the product between the cavity 200 and the base panel 220, the inlet port 240 is installed in the horizontal direction so that the outside air is sucked into the product, the back panel 230 First and second exhaust mechanisms 231 and 232 are installed at the upper left and right sides of the product so as to circulate the inside of the product and discharge the air and waste heat from which the electronic parts are cooled to the outside of the product.

Cooling means 250 is installed at the center of the rear surface of the cavity 200 to forcibly suck external air through the inlet port 240, and the lower side of the cooling means 250 with respect to the rear surface of the cavity 200. First and second transformers 260 and 261 are installed on the left and right sides to cool by being in primary contact with the sucked air, and the upper and left sides of the cooling means 250 are cooled on the rear surface of the cavity 200. The first and second ducts 270 and 271 are provided to receive air generated according to the operation of the means 250 and to guide the air to the predetermined positions in two directions. The rear surface of the cavity 200 is provided with the first and second ducts 270 and 271. First and second magnetrons 280 and 281 are installed at the outlet side of the first and second ducts 270 and 271 so as to be cooled by the air discharged through the first and second ducts 270 and 271. It is.

In this case, the cooling means 250 is a motor 251 driven by receiving power and the first and second fans 252 installed at both ends of the motor 251 to be rotated in response to the driving force of the motor 251. 253).

The inlet side of the first duct 270 and the second duct 271 are respectively provided at an upper portion adjacent to the first fan 252 and the second fan 253 of the cooling means 250, and the outlet side thereof is The first magnetron 280 and the second magnetron 281 are provided in close proximity to the inner wall facing each other.

The first and second magnetrons 280 and 281 are disposed in close proximity between the first exhaust mechanism 231 and the second exhaust mechanism 232.

In the drawing, reference numeral 201 denotes that air and odor circulated in the cooking chamber (not shown) formed inside the cavity 200 are exhausted to the outside of the product through the first and second exhaust mechanisms 231 and 232. The cooking chamber exhaust mechanism is installed on one side of the rear surface of the cavity 200.

Next, the operation and effect of the present invention configured as described above will be described.

When the microwave oven is operated, the motor 251 of the cooling means 250 is driven by being supplied with power, and the first and second fans fixed by motor shafts (not shown) at both ends of the motor 251. (252) 253 are rotated at the same time, the outside air is sucked through the inlet port 240 provided on the lower front of the product in accordance with the rotation operation of these first and second fans (252, 253).

At this time, the air sucked through the inlet port 240 flows horizontally through the gap between the cavity 200 and the base panel 220 and at the same time vertically through the gap between the cavity 200 and the back panel 230. The first and second transformers 260 and 261 are generated when the first and second transformers 260 and 261 are in close contact with the surfaces of the first and second transformers 260 and 261 provided on the rear surface of the cavity 200. The waste heat is cooled, and the air passing through the first and second transformers 260 and 261 forms a split air stream within an area in which the first and second fans 252 and 263 are rotated. At the same time, the first and second magnetrons 280 are guided by the first and second ducts 270 and 271 respectively installed on the upper sides of the first and second fans 252 and 253 via the cavity 200. Concentrated injection toward the 281 and the second contact to cool the waste heat generated during the operation of the first and second magnetrons (280, 281). .

In addition, the air passing through the first and second magnetrons 280 and 281 is provided with the first and second magnet furnaces 280 and 281 adjacent to the upper left and right sides of the back panel 230, respectively. Immediately discharged to the outside through the two exhaust mechanisms (231, 232) is stagnated inside the product to eliminate the factors causing eddy currents and noise or increase the internal temperature.

Therefore, since the cooling means 250 of the present invention has a structure in which the first and second fans 252 and 253 are adopted in one motor 251, the air flow is divided into two places by sucking external air to one place. It is possible to form, and it is possible to increase the cooling effect by dividing the electrical equipment at the position at which the split stream is formed.

As described above, according to the microwave oven cooling apparatus according to the present invention, the external air sucked into the front lower end of the product according to the rotation of the two-way fan does not collide with each other, the flow is divided into two directions naturally, and at regular intervals. The first and second transformers and the first and second magnetrons arranged in a sequential manner pass through the product and are discharged smoothly to the outside of the product, thereby providing sufficient cooling effect on the electrical equipment. As the air is immediately discharged through the exhaust port, it is possible to eliminate the vortex phenomenon and noise and to prevent the temperature rise inside the product.

Claims (5)

After cooling the electrical equipment such as the first and second transformers and the first and second magnetrons installed on the outer surface of the cavity by the outside air sucked through the front lower part of the product, they are cooled to be discharged to the outside through the back panel. In a microwave oven provided with means, The cooling means divides the electric field disposed at two points of the divided airflow, forming a divided airflow which is divided into two places without colliding with each other when the air sucked into one of the front lower ends of the product flows along the outer rear surface of the cavity during operation. An electric equipment cooling apparatus according to claim 1, further comprising first and second fans which are simultaneously rotated by receiving a driving force of the motor at both ends of one motor installed at the rear of the cavity to cool the water. The method of claim 1, The first and second transformers and the first and second magnetrons are connected to the lower and upper left and right ends of the first and second fans by the air sucked by the cooling means, respectively, through the cavity. Electric equipment cooling apparatus of a microwave oven, characterized in that each divided. The method of claim 1, Between the first and second fans and the first and second magnetrons, the air generated during the operation of the cooling means is guided closely to the first and second magnetrons, respectively. Electric equipment cooling apparatus of a microwave oven, characterized in that the duct is installed. The method of claim 3, The first duct and the second duct are respectively installed at an upper portion of the inlet side adjacent to the first fan and the second fan, and the outlet side of the first duct and the second duct face each other. Electric equipment cooling apparatus of a microwave oven, characterized in that installed close to each side wall. The method of claim 1, The back panel is characterized in that the first and second magnetrons are formed in the vicinity of the first and second magnetrons so that air and waste heat passing through the first and second magnetrons are smoothly discharged to the outside of the product. Electric equipment chiller.