JP2008292090A - Radio-frequency heating device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a radio-frequency heating device having simple and inexpensive construction for preventing the fall of condensed water droplets by vapor generated from an object to be heated, on the tray of the radio-frequency heating device. <P>SOLUTION: On the lower side of an exhaust port 3 for exhausting vapor generated from an object to be heated to the outside of the radio-frequency heating device, a protruded portion 11 is provided which is protruded to the outside of the radio-frequency heating device. The protruded portion 11 has a horizontal plane or a recessed shape, or a stepped horizontal plane or a stepped recessed shape on the lower side where condensed water droplets fall from the exhaust port 3. It receives the falling water droplets to prevent the fall of the condensed water droplets 13, when appearing outside the radio-frequency heating device, on the tray. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a countermeasure against condensation in a high-frequency heating device.

An example of a conventional high-frequency heating device is shown in FIG. 6 (see, for example, Patent Document 1). FIG. 6 shows a cross-sectional view of the main part of the side surface of the conventional high-frequency heating device described in Patent Document 1. As shown in FIG. 6, an exhaust duct having an exhaust port 2 for exhausting air to the outside of the heating chamber 1 for storing the object to be heated and an exhaust port B3 for exhausting air to the outside of the high-frequency heating device. 4 is a compartment formed on the top plate 5 of the heating chamber 1, and in a position facing the exhaust duct 4 of the top plate 5, a water reservoir portion for temporarily storing water condensed in the exhaust duct 4 6 is integrally formed as a recess.
Japanese Patent Laid-Open No. 2003-74873

  The above-described conventional high-frequency heating device is intended to prevent water droplets dewed by steam generated from an object to be heated from coming out of the high-frequency heating device even when cooking is performed for a long time. However, the conventional configuration requires an exhaust duct, which is disadvantageous in terms of cost. Moreover, it had the subject that it cannot use in the high frequency heating apparatus which cannot provide an exhaust duct on the structure.

  The present invention solves the above-mentioned conventional problem from the viewpoint that there is no problem for the user if water droplets condensed outside the high-frequency heating device are not dropped on the table on which the high-frequency heating device is placed. Therefore, an object of the present invention is to provide a high-frequency heating device that can prevent water droplets from dropping on a table with a simple configuration.

  In order to solve the above-described conventional problems, a high-frequency heating device of the present invention includes a heating chamber that houses an object to be heated, a high-frequency generator that radiates high-frequency radio waves to the heating chamber, and a machine room that houses the high-frequency generator. A cooling fan for cooling the machine room, and an exhaust port for discharging steam generated from the object to be heated to the outside of the high-frequency heating device, projecting outward of the high-frequency heating device below the exhaust port Protruding portions are provided to receive water droplets that are condensed from the steam generated from the object to be heated and dripped from the exhaust port.

  As a result, even if there is no exhaust duct, condensed water drops will not drop on the table.

  The high-frequency heating device of the present invention can be applied to a type without an exhaust duct and can be provided at a low cost, and can be provided at home, for business use, etc. This is useful as a high-frequency heating apparatus.

A first invention includes a heating chamber that houses an object to be heated, a high-frequency generator that radiates high-frequency radio waves to the heating chamber, a machine room that houses the high-frequency generator, a cooling fan that cools the machine chamber, An exhaust port for discharging steam generated from the object to the outside of the high-frequency heating device, and a protrusion projecting outward from the high-frequency heating device is provided below the exhaust port to generate from the object to be heated. The steam is condensed and receives water droplets dripping from the exhaust port, and even without an exhaust duct, the condensed water droplets can be prevented from dripping on the pedestal and the exhaust duct is unnecessary. Can be provided at low cost.

  In the second invention, the exhaust plate is provided in the exterior plate of the high-frequency heating device and the protrusion is integrally formed. Since the protrusion is integrally formed on the exterior plate, no additional parts are required, thereby further reducing the cost. It can be provided at low cost.

  The third invention has a configuration in which an exhaust port is provided in the exterior plate of the high-frequency heating device and a projecting portion made of a separate part from the exterior plate is attached to the lower portion of the exhaust port, compared to a configuration in which the projecting portion is integrally formed. The degree of freedom in the shape of the projecting portion can be improved to reliably receive water droplets.

  According to a fourth aspect of the present invention, the projecting portion constitutes the outermost end toward the outer side of the exterior plate, and the rear surface of the apparatus main body may be disposed in contact with the wall. Since the projecting portion hits the wall to secure a space between the exhaust port and the wall, the exhaust performance of steam, hot air, etc. can be maintained well.

  In the fifth aspect of the present invention, the portion of the protrusion that receives the water droplets is a stepped horizontal surface, and the number of water droplets is reduced while further reducing costs by reducing the number of steps when the protrusion is integrally formed with the exterior plate. Can be stored.

  In the sixth aspect of the invention, the portion of the protrusion that receives the water droplets has a concave shape, so that the condensed water that drops can be reliably received and stored.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
1 is a cross-sectional view of the main part of the high-frequency heating device according to Embodiment 1 of the present invention viewed from the side, FIG. 2 is a cross-sectional view of the main part viewed from the front, and FIG. 3 is a rear view of the main part viewed from the back. It is.

  1, 2, and 3, the high-frequency heating device includes a heating chamber 1 that stores an object to be heated, a high-frequency generator 7 that radiates high-frequency radio waves to the heating chamber 1, and a machine that stores the high-frequency generator 7. A cooling fan 9 for cooling the chamber 8, the high-frequency generator and the like, an intake port 10 for taking air into the heating chamber 1, and an exhaust port 2 for discharging the taken air out of the heating chamber 1. And an exhaust port B3 for exhausting the air exhausted from the exhaust port 2 to the outside of the high-frequency heating device, and a protrusion 11 located below the exhaust port B3 and projecting outward of the high-frequency heating device. It is configured. The protrusion 11 is composed of the same parts as the exterior plate 15 having the exhaust port B3, and is drawn so as to have a horizontal plane for receiving water droplets, and its rear side end is the outermost side of the exterior plate 15 It protrudes to the end.

  About the high frequency heating apparatus comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

When the high-frequency heating device operates, the high-frequency generation device 7 and the cooling fan 9 operate to heat the article to be heated 12 and generate steam. The air taken in from the intake port 10 goes out of the heating chamber 1 from the exhaust port 2 together with the vapor generated from the heated object 12, and is discharged out of the high-frequency heating device from the exhaust port B3. Since the exhaust port B3 is in contact with the outside air, the temperature is lower than the air containing the steam discharged from the exhaust port B3, and the air containing the steam is condensed at the exhaust port B3, and the water droplet 13 is generated. The longer the cooking time, the more water droplets 13 begin to drip below the exhaust port B3. The dripping water droplet 13 finally falls to the horizontal surface of the protrusion 11, but the water droplet 13 is received and collected on the horizontal surface, and is not dropped further below, but is dropped on the table on which the high-frequency cooker is placed. There is no. Since the amount of the water droplet 13 to be stored is determined by the area of the horizontal surface of the protruding portion 11, the area of the horizontal surface of the protruding portion 11 must be determined in consideration of ingredients, cooking time, environmental temperature, and the like.

  Further, since the protruding portion 11 constitutes the outermost end toward the outer side, when the apparatus main body is provided in contact with a wall or the like, the protruding portion 11 hits the wall and the exhaust port 3 and the like. The space between the walls is secured, and the exhaust port 3 is not blocked, so that steam and hot air can be reliably exhausted.

  Moreover, in the said structure, since the exhaust port B3 and the protrusion part 11 are integrally formed in the exterior plate 15 which is one component, a separate component is not required and cost reduction can be aimed at.

  Although the protruding portion 11 is composed of the same parts, the present invention is not limited to this, and the same effect can be obtained even if it is composed of other parts (not shown) and attached. In this case, the degree of freedom of the shape of the protruding portion is increased, and it becomes possible to easily form a shape that reliably receives a water droplet.

  Moreover, in the said structure, although the drawing part 11 is drawn so that it may have a horizontal surface, as described in the right side of the figure, this protrusion part 11B can also be made into a concave shape, Although the man-hour increases, more water droplets 13 can be collected.

(Embodiment 2)
4 is a cross-sectional view of the main part of the high-frequency heating device according to Embodiment 2 of the present invention as viewed from the side, FIG. 2 is a cross-sectional view of the main part as viewed from the front, and FIG. is there.

  The difference between the second embodiment and the first embodiment is that the portion of the protrusion 14 that receives water droplets is drawn so as to have a horizontal plane in a stepped manner. Others are the same as those of the first embodiment, and the same drawing numbers are assigned and the description is omitted.

  In the high-frequency heating device of the second embodiment, the horizontal plane of the portion that receives the water droplets of the projecting portion 14 is stepped, so that the path length through which the water droplets 13 flow is longer than in the first embodiment, and the water droplets 13 It becomes easy to collect in the protrusion part C14, and it becomes possible to receive more water droplets while having a shape that can be easily and easily formed.

  Also in the second embodiment, as shown on the side of FIG. 4, the portion of the protruding portion 14B that receives the water droplets may be formed in a concave shape, which may be provided in a step shape, or may be configured as a separate product. It may be attached.

  As described above, the high-frequency heating device according to the present invention can be applied to a type without an exhaust duct, and can be provided at a low cost, even if there is no exhaust duct, the condensed water drops do not drop on the table. It is suitable for a high-frequency heating device with a steam function with more water droplets, and can be widely applied.

Sectional drawing of the principal part which looked at the high frequency heating apparatus in Embodiment 1 of this invention from the side surface Cross-sectional view of the main part seen from the front The main part rear view seen from the back Sectional drawing of the principal part which looked at the high frequency heating apparatus in Embodiment 2 of this invention from the side surface The main part rear view seen from the back Sectional view of the main part of a conventional high-frequency heating device viewed from the side

Explanation of symbols

3 Exhaust port B
11 Projection 11B Projection B
13 Water drop 14 Protrusion C
14B Protrusion D

Claims (6)

A heating chamber for storing an object to be heated, a high-frequency generator for radiating high-frequency radio waves to the heating chamber, a machine room for storing the high-frequency generator, a cooling fan for cooling the machine room, and steam generated from the object to be heated An exhaust port for discharging outside the high-frequency heating device, and provided with a projecting portion projecting outward of the high-frequency heating device below the exhaust port so that the vapor generated from the object to be heated is condensed. A high-frequency heating device configured to receive water droplets dripped from the exhaust port. The high frequency heating apparatus according to claim 1, wherein an exhaust port is provided in an exterior plate of the high frequency heating apparatus and a protrusion is integrally formed. The high-frequency heating device according to claim 1, wherein an exhaust port is provided in the exterior plate of the high-frequency heating device, and a projecting portion made of a separate part from the exterior plate is attached to the lower portion of the exhaust port. The high-frequency heating device according to any one of claims 1 to 3, wherein the protruding portion constitutes an outermost end toward an outer side of the exterior plate. The high-frequency heating device according to any one of claims 1 to 3, wherein a portion of the protruding portion that receives water drops is a stepped horizontal surface. The high-frequency heating device according to any one of claims 1 to 3, wherein a portion of the protruding portion that receives water droplets has a concave shape.

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