JP2004239465A - Heating cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a heating cooker having simplified construction for steam cooking of heated objects, while securing an effective space in a heating chamber. <P>SOLUTION: The heating cooker comprises the heating chamber 1 for storing the heated objects 10, a microwave generator 9 for supplying microwaves, a cooking plate 11 detachably placed in the heating chamber 1 and having a capacity large enough to store steam cooking water, and a heated object placement table 12 detachably provided on the cooking plate 11, on which the heated objects 10 are placed and in which a steam port 12a is provided for supplying steam to the heated objects 10. The cooking plate 11 is irradiated with the microwaves to heat the water for steam cooking. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a heating cooker, and more particularly to a heating cooker having a steam cooking function of heating an object to be heated by generating steam.
[0002]
[Prior art]
Conventional heating cookers are provided with a removable steam container with a lid inside which a water absorbing body that absorbs water for generating steam is provided above and below the object to be heated, and are generated by microwave heating. The heated steam is released into the heating chamber to heat the object to be heated with the steam and the microwave (for example, see Patent Document 1).
[0003]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 8-135579 (page 2-3, FIG. 1)
[0004]
[Problems to be solved by the invention]
In a conventional heating cooker, a rail is provided in a heating chamber, an object to be heated is placed on a shelf placed on the rail, and a steam container is placed above and below the object to be heated. And heating was performed by irradiating microwaves from below. However, in such a conventional heating cooker, when performing steam cooking, rails, shelves, and a steam container must be set in a heating chamber, which is very troublesome. The usability was very poor, as the heating chamber was too narrow to heat large objects to be heated.
[0005]
In addition, when steam cooking is not performed, these accessories are unnecessary, and the user has to secure a storage space for the accessories.
[0006]
The present invention has been made to solve the above-described problems, and has an easy-to-use heating cooker that can secure an effective space in a heating chamber and can steam-heat an object to be heated with a simple configuration. The purpose is to provide.
[0007]
[Means for Solving the Problems]
A heating cooker according to the present invention has a heating chamber for storing an object to be heated, a high-frequency generator for supplying high frequency, and a volume that is detachably mounted on the heating chamber and that can store steam cooking water. A cooking dish having a heating object mounting table provided detachably on the cooking dish, and provided with a steam port for mounting the object to be heated and supplying steam to the object to be heated. The cooking dish is irradiated to heat water to perform steam cooking.
[0008]
Further, at the time of steam cooking, a lid is arranged so as to face the cooking dish via the object to be heated.
[0009]
Further, the hole diameter of the steam port is set to λ / 4 or less with respect to a high frequency wavelength λ supplied by the high frequency generator.
[0010]
Further, at the time of steam cooking, a steam density adjusting member for increasing the density of steam is provided in a space smaller than the volume of the heating chamber.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Embodiment 1 FIG.
Hereinafter, Embodiment 1 of the present invention will be described with reference to FIGS. FIG. 1 is a configuration diagram of a heating cooker according to Embodiment 1 of the present invention, and FIG. 2 is a top view of a heated object mounting table shown in FIG.
[0012]
In FIG. 1, a shelf 3 on which a square dish (not shown) is placed is provided on both side walls of a heating chamber 1, and a ceramic fixed with an adhesive 4 such as silicon is provided on the bottom of the heating chamber 1. Bottom plate 5 made of a non-dielectric material such as is provided. Below the bottom plate 5, a rotary antenna 6 for diffusing high frequency is provided. A waveguide 7 and a motor 8 are provided in a lower part of the heating chamber 1, and a high frequency generated from a high frequency generator 9 is diffused from the lower part of the heating chamber 1 through the waveguide 7 by the rotating antenna 6. It is supplied into the heating chamber 1.
[0013]
On the other hand, on a bottom plate 5 provided at the bottom of the heating chamber 1, a cooking dish 11 made of a non-dielectric material such as ceramic and having a capacity for storing water is removably mounted. The cooking dish 11 has a structure in which the object to be heated 10 can be directly placed to perform heating cooking. A heating object mounting table 12 made of metal such as stainless steel and configured to cover the upper surface of the cooking dish 11 is detachably mounted on the cooking dish 11. Then, water is put into the cooking dish 11, the object-to-be-heated mounting table 12 is placed, and the object-to-be-heated 10 is placed thereon, thereby performing steam cooking.
[0014]
When the object to be heated 10 is heated by high frequency, the object to be heated 12 may be removed to perform high frequency cooking, or another heating table made of a non-dielectric material such as ceramic may be used. Alternatively, high-frequency cooking may be performed.
[0015]
Further, the object-to-be-heated mounting table 12 is placed so as to be substantially flush with the edge of the cooking dish 11. For example, when the object-to-be-heated 10 is taken in and out of the heating chamber 1, a container may be hit against the edge. The usability has been improved so that there is no need to worry. Further, the depth of the cooking dish 11 is preferably set to an appropriate height so that the water is hardly spilled even when it is carried in a state in which the water is stored and the inside volume of the cooking dish is not reduced, for example, about 3 cm.
[0016]
As shown in FIG. 2, the heated object mounting table 12 is provided with a plurality of steam ports 12a, and supplies steam to the heated object 10 from the steam ports 12a to perform steam cooking. The hole diameter of the steam port 12a is set to λ / 4 or less (λ is the wavelength of a high frequency) so that only the steam is supplied to the heating chamber 1 without passing the high frequency generated from the high frequency generator 9. ing.
[0017]
Next, the operation will be described. First, water is poured into the cooking dish 11, the object-to-be-heated mounting table 12 is placed on the cooking dish 11, and the object to be heated 10 is mounted on the object-to-be-heated mounting table 12. By driving the high frequency generator 9, high frequency is supplied into the heating chamber 1 via the waveguide 7 and the rotating antenna 6, and the high frequency supplied into the heating chamber 1 heats water on the cooking dish 11. I do. The steam generated by the heating is supplied to the heated object 10 from the steam port 12a of the heated object mounting table 12, and performs steam cooking. Here, since the object-to-be-heated mounting table 12 is made of metal and the hole diameter of the steam port 12a is λ / 4 or less, the high frequency supplied from the rotating antenna 6 only discharges the water of the cooking dish 11. It is heated and is not supplied to the heating chamber 1. Therefore, since the object to be heated 10 is heated only by the steam, cooking like a steamer becomes possible. When the high frequency is passed through the steam port 12a, the water boils, and the object to be heated 10 is heated by the high frequency before the steam cooking is started, so that the steam cooking cannot be performed well. Can solve the problem.
[0018]
As described above, according to Embodiment 1, the high frequency supplied into the heating chamber 1 heats only the water on the cooking dish 11 and is not supplied to the object 10 to be heated. Therefore, since the object to be heated 10 is heated only by the steam, cooking like a steamer becomes possible, and the performance of steam cooking is improved. Further, since the cooking dish 11 and the heating object placing table 12 are configured to be detachable, the cooking dish 11 and the heating object placing table 12 can be removed and washed after the heating and cooking is completed, and the cooking dish 11 and the heating object placing table 12 remain on the cooking dish 11. Disposal of water is easy, and cooking can be performed sanitarily. Further, the depth of the cooking dish 11 is configured such that water is hardly spilled even when it is carried in a state where water is arranged, so that handling is further improved.
[0019]
Further, in the first embodiment, since the bottom plate 5 is provided separately from the cooking plate 11 and the periphery of the bottom plate 5 is fixed by the adhesive 4, water or the like flows into the lower side of the cooking plate 11 by any chance. However, it can be prevented from flowing into the rotating antenna 6 side. Also, by closing the opening of the cooking dish 11 with the heating object mounting table 12, when the heating object mounting table 12 is placed on the cooking dish 11, the object to be heated is accidentally dropped into the water of the cooking dish 11. Mistakes such as mistakes can be prevented. Further, in a portion of the cooking dish 11 on which the object-to-be-heated mounting table 12 is mounted, a table-holding means such as a groove 11a may be formed to hold the object-to-be-heated mounting table 12 well. preferable. With such a configuration, the object-to-be-heated mounting table 12 becomes difficult to move on the cooking dish 11, and the usability is further improved. In addition, the cooking dish 11 can be used as a substitute for the cooking square dish by removing the heated object placing table 12 and placing it on the shelf 3, so that the number of accessories can be reduced.
[0020]
Embodiment 2 FIG.
FIG. 3 is a configuration diagram of a heating cooker according to Embodiment 2 of the present invention. The same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. In the second embodiment, an example is shown in which a lid 2 is provided on a shelf 3 formed on both side walls of a heating chamber 1 above an object 10 to be heated. By mounting the lid 2 on the shelf 3, the steam supplied from the steam port 12a into the heating chamber 1 can be efficiently supplied to the object to be heated 10. The lid 2 and the cooking dish 11 have substantially the same shape, so that the lid 2 and the cooking dish 11 can be shared.
[0021]
According to the second embodiment, by providing the lid 2, it is possible to provide a heating cooker capable of performing more efficient steam cooking. In addition, the cooking dish 11 can be used as a substitute for the cooking square dish by removing the heated object placing table 12 and placing it on the shelf 3, so that the number of accessories can be reduced. Further, since the cooking dish 11 can be used also as the lid 2, the cost can be reduced. The lid 2 may also be placed upside down on the shelf 3 so that it can be used as a cooking square dish, like the cooking dish 11. With such a configuration, the cooking dish 11 and the lid 2 are placed on the shelf 3 and cooking in a plurality of stages becomes possible, and usability is improved. Note that the lid 2 is preferably made of a non-dielectric material such as ceramic in order to perform multi-stage cooking.
[0022]
Embodiment 3 FIG.
FIG. 4 is a configuration diagram of a heating cooker according to Embodiment 3 of the present invention. Note that the same components as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted. In the third embodiment, the steam from the cooking dish 11 is provided by providing the steam cover 13 which is a steam density adjusting member provided so as to surround the object to be heated 10 and further covering the steam cover 13 with the lid 2. Further, the heat is supplied to the object to be heated 9 more efficiently. In addition, convex portions 13a are provided on the edges of the steam cover 13 and the upper portions of the four corners. Thereby, when the cover 2 is put on the steam cover 13, a gap can be provided by the height of the projection 13 a.
[0023]
According to the third embodiment, the steam cover 13 and the lid 2 are provided on the object-to-be-heated mounting table 12 so as to cover the object to be heated 10, so that the steam from the cooking dish 11 is smaller than the internal volume of the heating chamber. It can be confined in the space formed by the steam cover 13 and the lid 2 which is a space. And it can be made into a more hot and humid state with a smaller amount of water, and the effect of steam can be further improved. Since there is a gap between the steam cover 13 and the lid 2 corresponding to the protrusion 13a, an appropriate amount of steam can be left in the steam cover 13 and excess steam can escape to the outside. , Can prevent food from becoming too messy with steam.
[0024]
Embodiment 4 FIG.
FIG. 5 is a perspective view of a steam cover of a heating cooker according to Embodiment 4 of the present invention, and FIG. 6 is a perspective view showing a case where a plurality of steam covers shown in FIG. 5 are used. Note that the same components as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted. In the figure, a steam cover bottom plate 14 is detachably mounted on the steam cover 13. Further, a protrusion 13a is provided at the edge of the steam cover 13 and the upper portion of the four corners, and a recess 13b is provided at the bottom of the steam cover 13 at a corner opposite to the protrusion 13a. Then, the projection 13a of the steam cover 13 and the recess 13b of another steam cover 13 are fitted to each other, so that the plurality of steam covers 13 can be stacked one on another.
[0025]
According to the fourth embodiment, steam cooking can be performed in accordance with an object to be heated by a combination of the removable steam cover bottom plate 14 and the steam cover 13. For example, if the object to be heated is short, a large number of objects to be heated can be steam cooked by placing the steam cover bottom plate 14 on the steam cover 13 and stacking the steam cover 13 in a plurality of stages. Also, if the steam cover bottom plate 14 is removed and used in a plurality of stages, steam cooking can be performed even on a tall object to be cooked. Furthermore, if the structure of the steam cover 13 is made foldable as shown in FIG. 7, the steam cover 13 can be stored compactly when steam cooking is not performed.
[0026]
Embodiment 5 FIG.
FIG. 8 is a configuration diagram of a heating cooker according to Embodiment 5 of the present invention. Note that the same components as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted. In the fifth embodiment, a steam cover 13 is provided so as to surround the side surface of the object 10 to be heated, and a lid 2a is placed on the steam cover 13 so that steam generated from water on the cooking dish 11 can be more efficiently used. It is configured to be supplied to. A plurality of shelves 3 are provided so that when the lid 2a is placed on the shelf 3, a predetermined gap is formed between the steam cover 13 and the lid 2a.
[0027]
According to the fifth embodiment, by providing a plurality of shelves 3 at predetermined intervals on the side surface of the heating chamber 1, the steam cover 13 and the lid can be provided without providing the steam cover 13 with the projection 13a as in the third embodiment. Since an appropriate gap is formed between the second embodiment and the second embodiment, the same effect as in the third embodiment can be obtained with a simpler configuration. Further, by providing a plurality of shelves 3, it is possible to cope with steam covers of various heights, and it is possible to widen the range of use of steam cooking. The position of the shelf 3 is such that the lowermost shelf 3 from the bottom surface is higher than the height of the steam cover 13. 13 is suitable for cooking in a plurality of stages.
[0028]
Embodiment 6 FIG.
FIG. 9 is a configuration diagram of a heating cooker according to a sixth embodiment of the present invention, FIG. 10 is an enlarged cross-sectional view of a main part showing a configuration of a fixed portion of the lid 2 shown in FIG. 9, and FIG. 11 is a steam density shown in FIG. It is a perspective view which shows the structure of the cooking pan which is an adjustment member. Note that the same components as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted.
[0029]
In the sixth embodiment, a steamer is constituted by the cooking pan 15 and the lid 2 as shown in FIG. 11, and the object to be heated 10 is placed in the cooking pan 15 to perform steam cooking. An appropriate amount of hole 15a is provided on the bottom surface of the cooking pan 15 so that steam passes therethrough, and steam from the steam port 12a is supplied into the cooking pan 15 from the hole 15a. Further, the lid 2 is formed so as to fit into an edge of the cooking pan 15 having a U-shaped cross section, and a plurality of convex portions 15b are provided in a fitting portion with the lid 2. The lid 2 is sandwiched and fixed between the convex portion 15b and the outer peripheral portion 15c of the edge. Further, a steam vent hole 15d is provided at an edge of the cooking pan 15, so that an appropriate amount of steam can be vented. The projections 15b and the steam vent holes 15d are provided at appropriate positions in positions as shown in FIG.
[0030]
According to the sixth embodiment, since the steamer is constituted by the cooking pan 15 and the lid, a heating cooker capable of performing steam cooking in a space smaller than the volume of the heating chamber 1 can be provided. Since the steam vent hole 15d is provided at the edge of the cooking pan 15, an appropriate amount of steam can be left in the cooking pan 15, and excess steam can be released outside the cooking pan 15, so that the food is steamed. It is possible to prevent too much trouble. Also, if the steam vent hole 15d is provided only near the exhaust port (not shown) in the heating chamber 1, the steam generated in the steamer and coming out of the steam vent hole 15d smoothly flows out of the heating chamber 1. Since the person goes out, the door glass (not shown) of the heating chamber 1 does not become cloudy even during steam cooking, and since steam does not easily adhere to the inside of the heating chamber 1, cleaning after the cooking is completed becomes easy.
[0031]
In the sixth embodiment, the case where the steam vent hole 15d of the cooking pan 15 is disposed near the exhaust port of the heating chamber 1 has been described. However, as in the third to fifth embodiments, the gap between the steam cover and the lid is exhausted. The same effect can be obtained by disposing it near the mouth.
[0032]
Embodiment 7 FIG.
FIG. 12 is a sectional view of a cooking dish of a heating cooker according to Embodiment 7 of the present invention. As shown in the figure, the inner bottom surface of the cooking dish 11 is formed as an inclined surface, and when steam cooking is performed, the water put in the cooking dish 11 is gathered at a central portion to increase the steam generation efficiency. Note that the central portion where water collects is configured to be disposed above the rotating antenna.
[0033]
According to the seventh embodiment, the water put in the cooking dish 11 at the time of steam cooking is collected on the upper part of the rotating antenna by the cooking dish 11 having the inclination, so that even if the amount of water in the cooking dish 11 is small, it is possible to ensure the efficiency efficiently. Steam can be generated. In addition, when the cooking dish 11 is used as a lid, generated steam adheres to the lid, and water droplets flow toward an outer peripheral portion of the lid. It is possible to prevent sticking and to prevent the object to be heated from being steamed more than necessary and to be messed up.
[0034]
Embodiment 8 FIG.
FIG. 13 is a diagram showing a relationship between a steam cover or a cooking pan of a heating cooker and a steam port of a cooking dish according to Embodiment 8 of the present invention. In the heating cooker provided with the steam density adjusting member for increasing the steam density in a space smaller than the volume of the heating chamber such as the steam cover or the cooking pan shown in the third to seventh embodiments, as shown in FIG. It is preferable that the steam port 12a of the heated object mounting table 12 is provided in substantially the same range as the bottom surface of the adjusting member. With such a configuration, since steam can be intensively supplied to the inside of the steam density adjusting member, better steam cooking can be realized with less water.
[0035]
【The invention's effect】
As described above, according to the present invention, the cooking dish having the function of storing water is provided detachably in the heating chamber when performing steam cooking. A simple cooking device can be provided. Further, the heated object mounting table provided on the cooking dish is formed of a metal such as stainless steel and provided with a steam port having a hole diameter that does not pass high frequency, so that water in the cooking dish is heated only by high frequency, The object to be heated is not subjected to high-frequency heating, so that more efficient steam cooking can be performed with a simple configuration.
[Brief description of the drawings]
FIG. 1 is a configuration diagram of a heating cooker according to a first embodiment of the present invention.
FIG. 2 is a top view of the heated object mounting table shown in FIG. 1;
FIG. 3 is a configuration diagram of a heating cooker according to a second embodiment of the present invention.
FIG. 4 is a configuration diagram of a heating cooker according to a third embodiment of the present invention.
FIG. 5 is a perspective view of a steam cover of a heating cooker according to Embodiment 4 of the present invention.
FIG. 6 is a perspective view of a steam cover of a heating cooker according to a fourth embodiment of the present invention.
FIG. 7 is a view showing how the steam cover shown in FIG. 5 or 6 is folded.
FIG. 8 is a configuration diagram of a heating cooker according to a fifth embodiment of the present invention.
FIG. 9 is a configuration diagram of a heating cooker according to a sixth embodiment of the present invention.
FIG. 10 is an enlarged sectional view of a main part of the lid shown in FIG. 9;
FIG. 11 is a perspective view of a cooking pan of the heating cooker shown in FIG. 9;
FIG. 12 is a sectional view of a cooking dish of a heating cooker according to a seventh embodiment of the present invention.
FIG. 13 is a diagram illustrating a relationship between a steam port of a cooking dish and a steam cover of the heating cooker according to the eighth embodiment of the present invention.
[Explanation of symbols]
1 heating room, 2 lids, 2a lids, 3 shelves, 4 adhesives, 5 bottom plates,
6 rotating antenna, 7 waveguide, 8 motor, 9 high frequency generator,
10 heated object, 11 cooking dish, 12 heated object mounting table, 12a steam port,
13 steam cover, 13a protrusion, 13b recess, 14 steam cover bottom plate,
15 cooking pan, 15a steam port, 15b convex part, 15c outer peripheral part,
15d Steam vent hole.

Claims (4)

A heating chamber for storing an object to be heated, a high-frequency generator for supplying high frequency, a cooking dish detachably mounted in the heating chamber and having a volume capable of storing water for steam cooking, and the cooking dish. A heating object mounting table that is provided detachably and has a steam port for mounting the object to be heated and supplying steam to the object to be heated; and A cooking device characterized by heating and steam cooking. The heating cooker according to claim 1, wherein a lid is disposed so as to face the cooking dish via the object to be heated during steam cooking. The heating cooker according to claim 1, wherein the hole diameter of the steam port is set to λ / 4 or less with respect to a high frequency wavelength λ supplied by the high frequency generator. 2. The cooking device according to claim 1, wherein at the time of steam cooking, a steam density adjusting member for increasing the density of steam is provided in a space smaller than the volume of the heating chamber.

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