KR100437409B1 - Microwave oven having the function of humidifying - Google Patents

Abstract

The microwave oven of the present invention is intended to prevent drying by heating food by spraying water into a heating chamber in which food is heated. Microwave oven of the present invention, the water tank 40 is installed on one side inside the microwave; A nozzle nozzle 62 in which water is sprayed is installed in the cavity assembly so as to face the inside of the heating chamber, and an injection nozzle 60 having a water nozzle part supplied with water and an air nozzle part supplied with high pressure air; A water supply pipe 44 for communicating water from the water tank to the water nozzle part of the injection nozzle; And it comprises a pump 50 for supplying a high pressure air to the air nozzle portion of the injection nozzle.

Description

Microwave oven having the function of humidifying

The present invention relates to a microwave oven, and more particularly, to a microwave oven configured to be able to humidify the inside of the heating chamber with respect to the food to be dried when heating the food by microwave or the like.

A general microwave oven as shown in FIG. 1 is an apparatus for heating a heating object using a microwave. Looking at the configuration, at the inner center of the cavity assembly (1) forming the basic frame of the microwave oven, a heating chamber (2) for supplying microwaves to embed the heating object is formed, the adjacent side of the heating chamber In the electrical chamber 10, which is equipped with an electrical component for generating a microwave is formed. The heating chamber (2) is configured to be opened and closed by the door (4) to a space for heating the food by the microwave supplied in the state of the food to be heated therein.

And the electric chamber 10 is configured to be covered by the outer casing (6). Inside the electric compartment 10, a magnetron 12 for oscillating microwaves, a high pressure transformer 14 for applying a high pressure to the magnetron, air for cooling the electric parts and passing through the inside of the heating chamber 2 Blowing fan 16 etc. for forming a flow are provided.

When the electrical components installed in the electric compartment 10 are operated, the microwave is supplied to the inside of the heating chamber 2, and heating of the food is started. When food is usually heated inside the heating chamber 2 of a microwave oven, especially when it is heated by microwave, the food is characterized by being very dry. However, when the food to be dried is dried, moisture contained in the food is drained, which adversely affects the taste of the food.

The present invention is to compensate for the above disadvantages, and to provide a microwave oven having a function to humidify the interior of the heating chamber to prevent excessive drying of the food being heated in the heating chamber. .

1 is an exploded perspective view of a conventional general microwave oven.

2 is an exploded perspective view of a microwave oven according to the present invention;

Figure 3 is a cross-sectional view of the injection nozzle of the present invention.

Figure 4 is an enlarged cross-sectional view of the connection portion of the water tank and the casing of the present invention.

Explanation of symbols on the main parts of the drawings

30 ..... Cavity assembly 32 ..... Heating chamber

34 ..... Battlefield 40 ..... Water Tank

40a ..... suction line 40b ..... connector

40c ..... Holder 42 ..... Casing

44 .... water supply pipe 44a ..... holder

44b ..... Sealing ring 46 ..... Water nozzle part

50 ..... Pump 54 ..... Air Supply Line

56 ..... Air nozzle part 60 ..... Injection nozzle

62 ..... Nozzle

Microwave according to the present invention for achieving the above object, the water tank is installed on one side inside the microwave; A spray nozzle having a nozzle unit for spraying water toward the inside of the heating chamber and having a water nozzle unit for supplying water and an air nozzle unit for supplying high pressure air; Communication means for communicating water from the water tank to the water nozzle portion of the injection nozzle; And a pump for supplying high-pressure air to the air nozzle part of the injection nozzle, wherein the water tank is detachably installed in a casing installed in the electric compartment of the microwave oven. It is installed in front of the furnace electrical compartment, the water tank is configured to be detachable to the casing in the front of the microwave oven.

In addition, the injection nozzle is showing an embodiment installed on the upper surface of the cavity, it is supported by a holder fixed to the upper surface of the cavity.

And according to an embodiment of the communication means, the suction pipe is installed in the water tank and the lower end is contained in water; A connection pipe connected to the suction pipe and installed to protrude outward of the water tank; One side is connected to the connection pipe, the other side is characterized in that consisting of a water supply pipe connected to the water nozzle portion of the injection nozzle.

The water supply pipe is connected to the casing, and the connection pipe is connected to the water supply pipe through one side of the casing. The connecting pipe is supported in a state where the outer end protrudes out of the water tank by a holder provided outside the water tank. And the connecting portion of the casing and the water supply pipe is supported by a holder, it is preferable that a sealing ring for waterproofing is installed inside the holder into which the outer end of the connecting pipe is inserted.

According to the present invention, it is expected that the convenience of being able to impart a humidification function inside the heating chamber of the microwave oven heated by microwaves or to form a water film on the surface of the food, thereby preventing excessive drying of the heated food. do.

Next, the present invention will be described in more detail with reference to the embodiments of the present invention shown in the drawings. 2, a perspective view is shown in which the humidifying device according to the present invention is applied to the cavity assembly 30 so that the basic features of the present invention can be clearly shown.

As shown, the cavity assembly 30 is provided with a space-applied heating chamber 32 (Cavity) for heating food, and the electrical component chamber 34 is formed in a portion adjacent to the heating chamber 32. have. In the electric compartment 34, electrical components for generating microwaves for supplying food to the heating chamber are built in, for example, a magnetron, a high voltage transformer, and the like are installed, and these components are omitted for convenience of illustration. have.

In addition, according to the present invention, the water tank 40 is provided in the front portion of the electric compartment 34. The water tank 40, which can be built into the water to be supplied to the heating chamber 32, may be detachably installed in the cavity assembly 30, as shown, corresponding to the electrical equipment room 34 It is also possible to be integrally installed in the cavity assembly. As in the illustrated embodiment, the water tank 40 may be installed to be detachable inside the casing (42).

Next, referring to FIG. 3 and FIG. 4, the microwave oven including the humidifier according to the present invention will be described in more detail. As shown, a water supply pipe 44 is provided between the casing 42 and the spray nozzle 60 in which the water tank 40 is installed.

The injection nozzle 60 is configured to be fixed to the cavity assembly 30 so as to inject water into the interior of the heating chamber 32, for example, a holder 70 fixed to the upper portion of the cavity assembly 30. It is fixed by the, and the outlet end is provided so that it may face the heating chamber 32 inside. In addition, the injection nozzle 60 is connected to an air supply pipe 54 through which high pressure air is supplied, and the high pressure air generated by the pump device 50 is supplied into the supply supply pipe 54. It is configured to be.

3 shows an internal configuration of the injection nozzle 60. As shown, the water supply pipe 44 for supplying the water is injected as the high pressure air is discharged at a high speed, the internal pressure drops when the high-pressure air is discharged inside the injection nozzle (60) ) Are also connected together. That is, the water nozzle part 46 connected to the water supply pipe 44 is formed at the inner center portion of the injection nozzle 60, and the air connected to the air supply pipe 54 is formed at the outer circumferential portion of the water nozzle part 46. The nozzle part 56 is formed.

Therefore, when the pump device 50 connected to the mall air supply pipe 54 is driven and the high pressure air is supplied to the air supply pipe 54, the air nozzle 56 connected to the air supply pipe 54 provides high-speed air. It is injected through the nozzle part 62 with a very small diameter. As the air is injected, the pressure inside the water nozzle unit 46 is greatly reduced, and the pressure inside the water supply pipe 44 is also substantially reduced. According to the pressure drop in the water supply pipe 44, the water in the water tank 40 is supplied along the water supply pipe 44 and discharged through the end of the water nozzle part 46. The water discharged in this way is sprayed through the nozzle unit 62 like the water sprayed at a high speed, so that the sprayed water can be sprayed through the nozzle unit 62 in the form of a fog.

As described above, since the nozzle part 62, which is an end of the injection nozzle 60, faces the inside of the heating chamber 32 on the upper surface of the cavity assembly 30, the nozzle 62 is substantially formed by the injection nozzle 60. The injected water is supplied into the heating chamber 32 so that the humidity of the heating chamber can be maintained high. Therefore, by applying the present invention, when heating the food in the heating chamber 32 by the microwave, it is possible to form a water film on the surface of the food using the sprayed water to prevent the food from being too dry do.

Next, the coupling relationship between the water tank 40 and the casing 42 will be described with reference to FIG. 4. As shown, the suction pipe 40a is installed inside the water tank 40, and the suction pipe 40a is installed downward to be contained in the water in the water tank 40. As shown in FIG. The upper end of the suction pipe 40a is connected to the connecting pipe 40b, and the connecting pipe 40b is formed of, for example, an L-shaped connecting pipe and protrudes to the outer surface of the water tank 40. The outer end of the state is provided. And the outer end of the connecting pipe (40b) is connected to the water supply pipe (44). Therefore, since the suction pipe 40a in which the lower end is immersed in the water in the water tank 40 is configured to be connected to the water supply pipe 44 through the connection pipe 40b, the suction pipe 40a is substantially inside the water tank 40. It is configured so that water can always be supplied to the water supply pipe 44.

The connecting pipe 40b is installed to maintain a fixed position by, for example, a holder 40c attached to an outer surface of the water tank 40. On the outer circumference of the outer end of the connecting pipe 40b, a radially protruding packing protrusion 40d is formed, and the holder 40c is fitted with the packing protrusion 40d in the middle. By being fixed to the outer side surface of the tank 40, it becomes possible to keep the connection pipe 40b substantially fixed.

The water supply pipe 44 is connected to a pipe-shaped holder 44a fixed to the outer side of the casing 42. The outer end of the connecting pipe 40b is coupled to the inside of the holder 44a. At this time, the outer end of the connecting pipe 40b is a rubber sealing ring installed on the inner surface of the holder 44a. By being in close contact with the inside of the 44b, when the connection pipe 40b is connected to the water supply pipe 44 through the holder 44a, water can be prevented from leaking to the outside.

Through such a configuration, when the water tank 40 is inserted into the casing 42, the connection pipe 40b installed outside the water tank 40 is connected to the water supply pipe 44 connected to the casing 42. It is coupled to be in close contact with each other, it is possible to supply the water in the water tank 40 to the water supply pipe (44).

Next will be described the overall operation of the microwave oven with a humidification function of the present invention having the configuration as described above. Like the supply of microwaves, the food starts to heat up inside the heating chamber 32. When the humidification function for the heating chamber 32 is required, the humidification function according to the present invention is operated automatically or by the user's choice, such as heating food.

When the humidification function is operated, the pump 50 is operated to inject the compressed air through the air supply pipe 54 at a high pressure. Therefore, the high pressure and high speed air is supplied to the air nozzle part 56 formed in the circumference inside the injection nozzle 60, and the air is injected at a high speed to the nozzle part 62. As the air is injected, the internal pressure of the water nozzle part 46 inside the injection nozzle 60 drops rapidly. Accordingly, the water in the water tank 40 flows into the water supply pipe 44 through the suction pipe 40a and the connection pipe 40b, and then is supplied to the water nozzle part 46 of the injection nozzle 60. . In the water nozzle unit 46, like the air injected at high pressure, water is injected through the nozzle unit 62, so that the water in the nozzle portion 62 can be sprayed in the form of a mist.

The water sprayed through the nozzle unit 62 is sprayed into the heating chamber 32 of the microwave oven as described above. Therefore, the inside of the heating chamber 32 where the food is heated by the microwave can maintain a sufficient humidity by the above-mentioned water spray, and furthermore, by forming a water film on the surface of the food, it is possible to prevent the food from being excessively dried during heating. do.

As described above, according to the present invention, by using the pump 50 for injecting a high-pressure air, it is basic to configure the water in the water tank 40 can be injected into the heating chamber 32 It can be seen that the technical idea.

In addition to microwaves, microwave ovens with various heaters have recently been released, and it is natural that the present invention can be applied to microwave ovens with various heaters.

Within the scope of the basic technical spirit of the present invention, many other modifications are possible to those skilled in the art, and the present invention should be interpreted based on the appended claims.

According to the present invention as described above, it can be seen that the water is sprayed into the heating chamber that is heating the food. Therefore, the water film may be formed on the surface of the food being heated by the microwave, and the humidity inside the heating chamber may be sufficiently increased, thereby preventing the food from being excessively dried by the heating. In addition, this point will appear as an advantage that can provide the proper heating characteristics while maintaining the taste of the substantially heated food.

Claims (10)

A water tank installed at one side of the microwave oven; A nozzle nozzle 62 in which water is sprayed is installed in the cavity assembly so as to face the inside of the heating chamber, and having a water nozzle part supplied with water and an air nozzle part supplied with high pressure air; Communication means for communicating water from the water tank to the water nozzle portion of the injection nozzle; And It comprises a pump for supplying high pressure air to the air nozzle portion of the injection nozzle, The water tank is a microwave oven having a humidification function, characterized in that detachably installed in the casing (42) is installed in the electrical equipment room of the microwave oven. delete delete The microwave oven according to claim 1, wherein the casing is installed at the front of the electric compartment while the front surface is opened, and the water tank is detachable from the casing at the front of the microwave oven. The microwave oven according to claim 1 or 4, wherein the injection nozzle is provided on an upper surface of the cavity. The microwave oven of claim 5, wherein the injection nozzle is supported by a holder fixed to the upper surface of the cavity. The method of claim 1 or 4, wherein the communication means; A suction pipe 40a installed inside the water tank, the lower end of which is contained in water; A connecting pipe 40b connected to the suction pipe and installed to protrude outward from the water tank; Microwave oven having a humidification function, characterized in that the one side is connected to the connection pipe, the other side is composed of a water supply pipe 44 is connected to the water nozzle portion of the injection nozzle. The microwave oven according to claim 7, wherein the water supply pipe is connected to the casing (42), and the connection pipe is connected to the water supply pipe through one side of the casing. The humidifying function according to claim 7, wherein the connecting pipe (40b) is supported by a holder (40c) installed on the outside of the water tank, the outer end of the connecting pipe (40b) is projected to the outside of the water tank. Microwave oven. The connecting portion of the casing 42 and the water supply pipe 44 is supported by a holder 44a, and the inside of the holder 44a into which the outer end of the connecting pipe 40b is inserted. Microwave oven with a humidification function, characterized in that the sealing ring 44b for waterproofing is installed.