JPH0975203A - Cooking container and heat cooker using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a cooking container which has high heat-insulating properties and requires no shifts in the course of cooking, by constituting the container of a pot consisting of a side having a vacuum layer between its inner wall made of a magnetic substance and outer wall made of a nonmagnetic substance and a bottom made of a magnetic substance, and a lid with a heat insulation part which covers the upper part of the pot detachably. SOLUTION: A cooking container 10 comprises a main body 11 and a lid 12 which covers the main body 11 detachably. The side of the main body 11 comprises an inner wall 11a made of a magnetic substance such as SUS 430 or iron and an outer wall 11c made of a nonmagnetic substance with a vacuum layer 11b between them. The bottom 11d of the main body 11 is also made of a magnetic substance. The upper end of the main body 11 has the form of a flange 11e used as handles. The lid 12 is provided with a flange 12e which is in contact with the flange 11e in such a way as to be detached freely, and a part between its outer wall 12a and inner wall 12c is an heat insulation part 12b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooking container which has a high heat insulating property and is easy to use, and a heating cooking device which can perform good cooking using this cooking container.

[0002]

2. Description of the Related Art In recent years, a heat insulation container having a vacuum layer has been used. The body of the heat insulating container has a double structure, and a vacuum layer is formed between the inner wall and the outer wall made of stainless steel. The top of the main body is equipped with a lid that can be removed by a handle that also serves as a flange. The lid has a structure in which a space between the outer wall and the inner wall is filled with a heat insulating material.

Thus, for example, when heat cooking is performed using a separately prepared cooking container, highly efficient cooking can be performed using this heat retaining device. In other words, when the cooking container containing the food to be cooked is cooked using another cooking device, it is not necessary to use this cooking device for the entire cooking process, The cooking container is removed from the container and stored in the heat retaining device. The inside of the heat insulating container is kept warm by the vacuum layer, and heat is radiated through the gap between the main body and the lid. Therefore, the contained cooking container is sufficiently kept warm, and cooking of the cooked food can proceed even if it is not heated from the outside. In particular, when performing cooking that requires a long time of heating such as curry or stew, the heat insulating container is effective.

[0004]

The heat-retaining container has an excellent effect that the heat-retaining performance is high and the electric power consumed by the heating cooker at the time of cooking can be saved, but the following problems are encountered. I have it.

That is, in order to perform cooking using the heat retaining container, the cooking container is once heated by using the cooking device, and when the temperature reaches a certain temperature, the cooking container is removed from the cooking device and the inside of the heat retaining container is removed. It means that they must be housed in. This work is quite troublesome, and if the timing of removing it from the cooker is incorrect, the effect of the heat insulation container may not be fully exerted, or the quality of the finished cooked product may deteriorate. Further, the work of removing the cooking container that is hot during heating from the cooking device may cause burns unless gloves are used. Also,
Even though the heat insulation container has high heat insulation performance, the temperature is lowered with a certain temperature gradient due to the influence of the external temperature and the heat radiation from the gap between the main body and the lid. Therefore, when high-quality cooking is performed, that is, even when trying to keep the temperature constant, it cannot be performed.

The present invention is intended to solve the problems of the above-described conventional structure, and its first object is to provide a cooking container which has a high heat insulating property and does not need to be moved during cooking. There is. Also, using this cooking container,
A second object of the present invention is to provide a heating cooking device capable of highly efficient cooking with high-quality cooking.
A third object is to provide a heating and cooking device that is safer and easier to use. A fourth object of the present invention is to provide a heating and cooking device which has a lightweight cooking container and is easier to handle.

[0007]

The first means for achieving the first object of the present invention is to use an inner wall of a magnetic material and an outer wall of a non-magnetic material, and to provide a vacuum layer between the inner wall and the outer wall. The cooking container has a pan provided with the above-mentioned side surface and the bottom surface of the magnetic body, and a lid provided with a heat insulating portion that detachably covers the top of the pan.

A second means of the present invention for achieving the second object is a cooking vessel which constitutes the first means of the present invention,
A heating and cooking device comprising a heating coil for generating a high frequency magnetic field and an induction heating cooker for induction heating the cooking container.

The third means of the present invention for attaining the third object is, in particular, that a heating provided with a resin skirt portion having a hole through which air flows between the cooking container and the induction heating cooker. It is a cooking device.

Further, a fourth means of the present invention for achieving the fourth object is to provide a magnetic inner pot having a removable lid on an upper portion, and a container having a vacuum layer covering a side surface of the inner pot. A cooking container having a lid provided with a heat insulating portion that removably covers the upper portion of the inner pot, and an induction heating cooker having a heating coil for generating a high-frequency magnetic field to induction-heat the cooking container. The heating and cooking device is provided with a resin skirt having a hole through which air flows between the container and the induction heating cooker.

[0011]

The first means of the present invention is a pot having a side surface having a vacuum layer between an inner wall of a magnetic body and an outer wall of a non-magnetic body, and a bottom having a bottom made of a magnetic body, and an upper portion of the pot being heat-insulated. As the structure is covered with a lid having a section, the bottom surface can be directly heated by using a heating cooker, the heat retention performance is high, and the cooking container does not need to be moved during cooking.

The second means of the present invention is to perform predetermined heating by controlling the electric power supplied to the heating coil by induction heating the bottom surface and the inner wall of the cooking container by the high frequency magnetic field generated by the heating coil of the induction heating cooker. It is a heating and cooking device that can keep the temperature constant for a certain period of time and cook with good results.

The third means of the present invention is to provide a skirt portion having a hole through which air flows between the induction heating cooker and the cooking vessel, and remove the cooking vessel and then remove the surface of the induction heating cooker. It is a convenient cooking device that can keep the temperature around room temperature.

Further, the fourth means of the present invention is to provide a convenient cooking device which has a heat-retaining function and a cooking container as a separate body to make the cooking container lightweight and easy to handle.

[0015]

【Example】

(Embodiment 1) A first embodiment of the cooking container of the present invention will be described below. FIG. 1 is a sectional view showing the configuration of the present embodiment. The cooking container 10 of the present embodiment includes a main body 11 and a lid 12 that detachably covers the main body 11. The main body 11 has an inner wall 11a formed of a magnetic material such as SUS430 or iron on the side surface and an outer wall 11c formed of a non-magnetic material, and a vacuum layer 11b is provided between them. The bottom surface 11d of the main body 11 is also made of a magnetic material. The upper end of the main body 11 is a flange portion 11e that also serves as a handle. The lid 12 includes a flange portion 12e that removably contacts the flange portion 11e,
A heat insulating portion 12b is formed between the outer wall 12a and the inner wall 12c. In this embodiment, the heat insulating portion 12b is made of expanded polystyrene resin or the like.

The operation of this embodiment will be described below. It is assumed that the food to be cooked is accommodated in the cooking container 10 and heating is performed by a heating cooker (not shown). Cooking container 1
In the case of 0, the bottom surface 11d of the main body 11 is made of a magnetic material and can be directly heated by the heating cooker. Further, since the vacuum layer 11b is formed between the inner wall 11a and the outer wall 11c on the side surface of the main body 11, and the lid 12 is provided with the heat insulating portion 12b inside, the heat retaining effect is very high. In other words, heat is dissipated during cooking only through the gap between the flange portion 12e of the lid 12 and the flange portion 11e of the main body 11. Since the side surface of the main body 11 is the vacuum layer 11b, the heat dissipation from the side surface is extremely high. There are few. Therefore, when this cooking container 10 is used, the heat loss due to heat dissipation is small, so that it takes only a short time to reach a predetermined temperature. Once the temperature reaches the specified temperature, it is possible to maintain the specified temperature by supplying only the heat loss due to heat radiation from the heating cooker. Therefore, the cooking process proceeds with almost no power consumption. It can be done.

Further, the cooking container 5 of this embodiment uses a magnetic material such as SUS430 or iron for the bottom surface 11d of the main body 11 and the inner wall 11a of the side surface. Therefore, the bottom surface 11d and the inner wall 11a on the side surface are induction-heated when receiving a high-frequency magnetic field, and it is possible to use an induction heating cooker that generates a high-frequency magnetic field as a heating cooker. It is a thing.

As described above, according to the present embodiment, it is possible to realize a cooking container which has a high heat retention performance and does not need to be moved during cooking. In addition, as a heating cooker to be used, an induction heating cooker capable of safe cooking without using fire can be used.

(Second Embodiment) Next, a heating and cooking apparatus according to a second embodiment of the present invention will be described. FIG. 2 is a sectional view showing the configuration of the present embodiment. The heating and cooking device of this embodiment is
It comprises the cooking container 10 described in the first embodiment and the induction heating cooker 13 for heating the cooking container 10. The induction heating cooker 13 includes a top plate 13a made of ceramic or the like on the surface, a heating coil 13b for generating a high frequency magnetic field under the top plate 13a, and an inverter 13c for supplying high frequency power to the heating coil 13b inside. I have it.

The operation of the embodiment will be described below. When the cooking container 10 is placed on the top plate 13a of the induction heating cooker 13 and a cooking start switch (not shown) is pressed, cooking is started. That is, the inverter 13c
Supplies high frequency power to the heating coil 13b. The heating coil 13b generates a high frequency magnetic field according to the supplied high frequency power. This high frequency magnetic field is applied to the main body 1 of the cooking container 10.
1 and the inner wall 11a on the side surface of the main body 11. The bottom surface 11d and the inner wall 11a are SU
It is composed of a magnetic material such as S430 or iron. Therefore, the bottom surface 11d and the inner wall 11a generate heat by being induction-heated by the high-frequency magnetic field interlinked. Due to this heat generation, the food in the cooking container 10 is heated, and cooking proceeds. At this time, as described in Example 1, the cooking container 10 has extremely excellent heat retention characteristics,
The time required for the food to reach a predetermined temperature is short. After reaching the predetermined temperature, the inverter 1
3c can reduce the high frequency power supplied to the heating coil 13b. That is, by supplying only the electric power necessary for keeping the cooking container 10 warm, the cooking container 10 can accurately maintain the temperature of the food contained therein at a predetermined temperature. When the cooking is completed in this way, the cooking container 10 is detached from the induction heating cooker 13 and used for eating. At this time, the removal is performed at the end of cooking, the temperature of the outer wall 11c is not so high, and the cooking container 10 has the flange portion 11e and the flange portion 12e, so that it can be safely performed.

As described above, according to this embodiment, it is not necessary to remove the cooking container 10 until the cooking is completed, and since the heat retaining performance of the cooking container 10 is very good, the electric power consumed by the induction heating cooker 13 is reduced. Therefore, it is possible to realize a heating cooking device which is highly efficient and requires a small amount of heat, and can maintain the temperature of a cooked product at a predetermined temperature for an exactly required time so that the cooked product can be cooked with high performance.

(Embodiment 3) Next, a heating and cooking apparatus according to a third embodiment of the present invention will be described. FIG. 3 is a sectional view for explaining the overall structure of this embodiment. The heating and cooking apparatus of this embodiment includes an induction heating cooker 13 and an induction heating cooker 1.
3 and an induction heating cooker 13
And a skirt portion 14 provided between the cooking container 10 and the cooking container 10. The resin skirt portion 14 has a vacuum layer 11
First support portion 14 for supporting the wall surface of the main body 11 having b
A has a hole 14b through which air circulates, and a corrugated second support portion 14c that supports the bottom surface 11d of the main body 11 that constitutes the cooking container 10.

The operation of the embodiment will be described below. In the second embodiment, the bottom surface 11d and the inner wall 1 forming the side surface of the main body 11 that constitutes the cooking container 10 shown in FIG.
1a is a magnetic substance such as SUS430 or iron, and has a configuration suitable for using the induction heating cooker 13 as a heating cooker. As described above, this is safe because it is not necessary to remove the cooking container 10 until the end of cooking, and the heat retention performance of the cooking container 10 is very good. This is a heating and cooking apparatus having an excellent effect that the temperature of the food to be cooked can be maintained at a high temperature and at a predetermined temperature for exactly the required time, so that the food can be cooked with high performance. However, the structure of the second embodiment has a possibility that the user may get burned.
That is, the top plate 13a of the induction heating cooker 13 is
During cooking, the radiant heat from the cooking container 10 or the transferred heat causes the temperature to rise considerably. Therefore, when cooking is finished and the cooking container 10 is removed from the induction heating cooker 13, the high temperature of the top plate 13a continues. However, this high temperature state is unknown to the user because there is no indication. Therefore, if the user touches the top plate 13a of the induction heating cooker 13 at the end of cooking, there is a possibility of being burned.

In this respect, the structure of this embodiment has a hole 1 through which air flows between the induction heating cooker 13 and the cooking container 10.
The skirt portion 14 having 4b is provided.
This skirt portion 14 is made of resin, and the induction heating cooker 1
The heating coil 13b of No. 3 does not generate heat even when receiving a high frequency magnetic field. That is, the heat received by the top plate 13a of the induction heating cooker 13 is only from the bottom surface 11d made of the magnetic material of the main body 11 and the inner wall 11a. The heat radiated from the main body 11 to the induction heating cooker 13 has a hole 14b through which air circulates in the first support portion 14a forming the skirt portion 14.
The heat is dissipated through b. According to experiments, the height of the skirt portion 14 is appropriately about 5 mm or less.

With the above construction, even if the cooking container 10 is removed from the induction heating cooker 13 at the end of cooking, the temperature of the top plate 13a of the induction heating cooker 13 is around room temperature, and there is no risk of being burned. It realizes a simple cooking device.

(Fourth Embodiment) Next, a heating and cooking apparatus according to a fourth embodiment of the present invention will be described with reference to FIG. The heating and cooking apparatus according to the present embodiment is an induction heating cooker 13.
And a cooking container 15 provided on the upper part of the induction heating cooker 13.
And a skirt portion 20 provided between the induction heating cooker 13 and the cooking container 15. Cooking container 15
Is a magnetic inner pot 17 having a removable lid 16 on the top, a container 18 having a vacuum layer 18b covering the side surface of the inner pot 17, and a heat insulating portion 19b detachably covering the upper part of the inner pot 17. And a lid 19 provided. The end portion of the inner pot 17 is a flange portion 17d. The container 18 has an outer wall 18 a and an inner wall 18 that are shaped according to the shape of the inner pot 17.
c, and a vacuum layer 18b is formed between the outer wall 18a and the inner wall 18c. The end of the container 18 is a flange portion 18d on which the flange portion 17d of the inner pot 17 overlaps. That is, the inner pot 17 is removable from the container 18 by the flange portion 17d. Further, the lid 19 has the heat insulating portion 19b between the outer wall 19a and the inner wall 19c, and the end portion thereof is a flange portion 19d overlapping with the flange portion 17d. The skirt portion 20 made of resin has a hole 20b through which air circulates in a first support portion 20a that supports the wall surface of the container 18 having the vacuum layer 18b, and a corrugated shape that supports the bottom surface 17e of the inner pot 17. The second supporting portion 20c is provided.

The operation of this embodiment will be described below. In the third embodiment, the cooking container 10 itself has a heat retaining function. That is, the main body 11 that constitutes the cooking container 10 includes the vacuum layer 11b, and the lid 12 includes the heat insulating portion 12b. Therefore, cooking container 1
The weight of 0 is heavy, which makes it inconvenient to handle.

In this respect, the cooking container 15 of this embodiment has a lid 19
The container 18 is detachably provided, and the inner pot 17 is detachably attached to the container 18. Further, a vacuum layer 18b is attached to the container 18 and a lid 19
The heat insulating portion 19b is provided in the. Therefore, when the cooking by the induction heating cooker 13 is completed, the lid 19 can be removed and only the inner pot 17 can be carried. That is, since only the inner pot 17 can be taken out and handled, the weight to be handled is light. Further, the surface temperature of the induction heating cooker 13 at the end of cooking does not cause a large temperature rise for the same reason as described in the third embodiment.

As described above, according to the present embodiment, even if the cooking vessel 15 is removed from the induction heating cooker 13 at the end of cooking, the temperature of the top plate 13a of the induction heating cooker 13 does not become high and burns. The present invention realizes a heating and cooking device that is safe and can handle the cooking container 15 easily.

[0030]

The first means of the present invention is a pan having a side surface that uses an inner wall of a magnetic material and an outer wall of a non-magnetic material and has a vacuum layer between the inner and outer walls, and a bottom surface of the magnetic material. The present invention realizes a cooking container which has a high heat insulating property and does not need to be moved during cooking as a structure having a lid provided with a heat insulating portion that detachably covers the upper portion of the pan.

A second means of the present invention comprises a cooking container which constitutes the first means of the present invention, and an induction heating cooker which has a heating coil for generating a high frequency magnetic field and induction heats the cooking container. With such a configuration, it is possible to realize a heating and cooking device that is safe, highly efficient, and capable of cooking a cooked product with high quality.

Further, the third means of the present invention is a safe and easy-to-use cooking apparatus, in particular, in which a resin skirt portion having a hole through which air flows is provided between the cooking container and the induction heating cooker. Is realized.

Further, the fourth means of the present invention is such that a magnetic inner pot having a removable lid on the upper portion, a container having a vacuum layer covering the side surface of the inner pot, and the upper portion of the inner pot are removable. A cooking container having a lid having a heat insulating portion for covering; and an induction heating cooker having a heating coil for generating a high-frequency magnetic field to induction-heat the cooking container, and between the cooking container and the induction heating cooker. By providing a resin skirt portion having a hole through which air circulates, a heating and cooking device that realizes a lightweight cooking container and easier handling is realized.

[Brief description of drawings]

FIG. 1 is a sectional view showing a configuration of a cooking container that is a first embodiment of the present invention.

FIG. 2 is a cross-sectional view showing the configuration of a heating and cooking apparatus that is a second embodiment of the present invention.

FIG. 3 is a cross-sectional view showing the configuration of a heating and cooking apparatus that is a third embodiment of the present invention.

FIG. 4 is a cross-sectional view showing the configuration of a heating and cooking device according to a fourth embodiment of the present invention.

[Explanation of symbols]

 10 Cooking Container 11a Inner Wall 11b Vacuum Layer 11c Outer Wall 11d Bottom 12 Lid 12b Heat Insulation 13 Induction Cooker 13b Heating Coil 14 Skirt 14b Hole 15 Cooking Vessel 17 Inner Pan 18 Vessel 18b Vacuum Layer 19 Lid 19a Heat Insulation 20b Skirt 20 Hole

Claims (4)

[Claims] 1. A pan provided with an inner wall made of a magnetic material and an outer wall made of a non-magnetic material and having a side surface having a vacuum layer between the inner wall and the outer wall and a bottom surface of the magnetic material, and an upper portion of the pan being detachably covered. A cooking container having a lid provided with a heat insulating portion. 2. A heating cooking apparatus comprising: the cooking container according to claim 1; and an induction heating cooker that has a heating coil that generates a high-frequency magnetic field and that induction-heats the cooking container. 3. The heating and cooking device according to claim 2, wherein a resin skirt portion having a hole through which air flows is provided between the cooking container and the induction heating cooker. 4. A magnetic inner pot having a removable lid on the top, a container having a vacuum layer for covering the side surface of the inner pot, and a lid having a heat insulating portion for detachably covering the upper part of the inner pot. And a induction heating cooker that has a heating coil that generates a high-frequency magnetic field and that induction-heats the cooking container, and has a hole through which air flows between the cooking container and the induction heating cooker. A cooking device with a resin skirt.