JP2011030807A - Electromagnetic induction heating container and electromagnetic induction heating cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electromagnetic induction heating container with excellent appearance like an earthen pot, wherein a request to save energy is considered, and also to provide an electromagnetic induction heating cooker such as an electromagnetic induction rice cooker, using the electromagnetic induction heating container as an inner pot. <P>SOLUTION: The electromagnetic induction heating container includes: a first metal layer formed on the outer peripheral surface of a container body by arc thermal spraying; a second metal layer formed on the first metal layer by arc thermal spraying; a ceramic layer formed on the second metal layer by ceramic coating; and a magnetic body formed in the container body and performing an electromagnetic induction actuation by a high frequency current. The electromagnetic induction heating cooker using the electromagnetic induction heating container is also provided. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an electromagnetic induction heating container and an electromagnetic induction heating cooker using the electromagnetic induction heating container.

  Today, household electrification is progressing, and all electrified houses are attracting attention. For example, even kitchens that have conventionally used gas are moving to IH (Induction Heating) cookers. Under such circumstances, pans and pans capable of electromagnetic induction heating have been developed.

  Moreover, in such an electromagnetic induction heating container, fluororesin processing is performed to prevent scorching such as stewed dishes and curry reheating. Patent Document 1 discloses a cooking device in which a non-adhesive layer mainly composed of a fluororesin is coated on the inner surface of a cooking vessel and a soaking layer made of a non-magnetic metal material having a predetermined thickness and having a predetermined thickness is provided on the rear surface. Propose.

JP 11-99064 A

  However, in the conventional electromagnetic induction heating vessel, aluminum (Al) processing is performed on the outer peripheral surface, and it is a pan without appearance. In addition, today, protection of the global environment is screamed, and from the viewpoint of energy saving, development of an electromagnetic induction heating container and an electromagnetic induction heating cooker with low power consumption is also desired.

  Accordingly, the present invention provides an electromagnetic induction heating container having a good appearance of a clay pot-like appearance, and an electromagnetic induction heating container that takes into account the demand for energy saving, and an electromagnetic induction rice cooker using the electromagnetic induction heating container as an inner pot. An object is to provide an induction heating cooker.

  According to the present invention, the above-described problem is that the first metal layer formed on the outer peripheral surface of the container body by arc spraying, the second metal layer formed by arc spraying on the first metal layer, and This can be achieved by providing an electromagnetic induction heating container having a ceramic layer formed by ceramic coating on the second metal layer and a magnetic body that is formed on the container main body and performs an electromagnetic induction action by a high-frequency current.

  The first metal layer is, for example, iron having a layer thickness of 0.3 to 0.5 mm, and the second metal layer is, for example, aluminum having a layer thickness of 30 to 50 μm.

  According to the present invention, there is provided a first metal layer forming process for forming a first metal layer on the outer peripheral surface of a container body by arc spraying, and a second metal by arc spraying on the first metal layer. A second metal layer forming process for forming a layer, a process for performing ceramic coating on the second metal layer, and a process for forming a magnetic body on the container body based on an electromagnetic induction effect by a high-frequency current. This can be achieved by providing a method for manufacturing an induction heating container.

  Moreover, the thickness of the peripheral edge part of the said container main body is a structure thicker than the thickness of the other part of this container main body.

  Furthermore, the electromagnetic induction heating cooking appliance which can set the said electromagnetic induction heating container so that attachment or detachment is possible can be provided.

  The present invention provides an electromagnetic induction heating container having an excellent appearance of an earthenware pot-like appearance, and further supports an electromagnetic induction heating container corresponding to a demand for energy saving, and an electromagnetic induction rice cooker using the electromagnetic induction heating container as an inner pot. An induction heating cooker can be provided.

3 is a perspective view of the electromagnetic induction heating container of Embodiment 1. FIG. 3 is a cross-sectional view of a container body in the electromagnetic induction heating container of Embodiment 1. FIG. 3 is a cross-sectional view of a container body in the electromagnetic induction heating container of Embodiment 1. FIG. It is a figure explaining the structure of arc spraying. It is sectional drawing of the container main body in the electromagnetic induction heating container of Embodiment 2. It is sectional drawing of the electromagnetic induction heating cooking appliance of Embodiment 3.

Embodiments of the present invention will be described below with reference to the drawings.
(Embodiment 1)
FIG. 1 is an external view of the electromagnetic induction heating container of this example.
The electromagnetic induction heating container 1 shown in the figure is described by taking a cooking pan as an example, and the container body 2 is provided with handles 3 and 4 on both sides. In the following description, the handles 3 and 4 are omitted in order to explain the cross-sectional configuration of the container body 2.

  FIG. 2 is a diagram showing a cross-sectional configuration of the container body 2, and the container body 2 is made of aluminum (Al). In addition, as shown to the figure, it is good also as a structure which coat | covers aluminum (Al) 7 on the surrounding surface by using iron (Fe) as the base material 6. In addition, fluororesin processing 8 and 9 is applied to prevent scorching. This fluororesin processing is, for example, a method in which a fluororesin paint 8 is primed and PTFE (tetrafluoroethylene resin (polytetrafluoroethylene)) 9 is overcoated, or a fluororesin paint is primed and dried at 150 ° C. for 10 minutes. Then, a method of electrostatically coating PFA (tetrafluoroethylene) powder can be used. In addition, you may comprise a fluororesin (PTFE (polytetrafluoroethylene)) by 1 layer.

  On the other hand, as shown in FIG. 3, an aluminum (Al) layer 10 is first formed on the outer peripheral surface of the iron (Fe) base 6, and further, iron (Fe) 11, aluminum (Al) 12, and ceramic 13. Each layer is formed. Here, the layer of iron (Fe) 11 is, for example, 0.3 to 0.5 mm, the layer of aluminum (Al) 12 is, for example, 30 to 50 μm, and the ceramic layer 13 is, for example, 30 μm.

  Here, the formation of the metal layer of iron (Fe) 11 is performed by arc spraying. Specifically, an arc discharge is generated between two metal wires, the wire is melted by this discharge energy, the molten metal is pulverized, and sprayed onto the outer peripheral surface of the container body 2. A metal layer of 3 to 0.5 mm is formed.

  FIG. 4 is a diagram for explaining arc spraying on the aluminum (Al) layer 10 by an arc spraying machine. The outer peripheral surface of the container main body 2 as a base material and the head portion of the arc sprayer 17 are arranged facing each other, and the arc sprayer 17 is attached so as to be movable in the direction of the arrow by a moving mechanism (not shown).

  The arc sprayer 17 uses an iron (Fe) wire 18 to which an anode is applied and an iron (Fe) wire 19 to which a cathode is applied. The wire 18 extends to an arc portion 16 through a nozzle 15 and is used as a wire. 19 extends to the arc portion 16 through the nozzle 14, and an electric spark is generated in the arc portion 16, so that both wires 18 and 19 are melted. In addition, compressed air is sent to the arc portion 21 through the nozzle 23, and the molten metal is refined and sprayed onto the outer peripheral surface of the container body 2.

  Further, the head portion of the arc sprayer 17 rotates in the direction of the arrow as described above, and the iron (with a thickness of 0.3 to 0.5 mm, for example) having a uniform thickness on the outer peripheral surface of the container body 2 (described above). A layer of Fe) 11 is deposited.

  For example, as shown in the figure, the arc sprayer 17 moves in the directions of arrows a and b to perform uniform spraying on the outer peripheral surface of the container body 2.

  The head of the arc sprayer 17 is driven by a control circuit (not shown). For example, the moving speed and direction of the arc sprayer 17 are controlled based on information stored in advance, and Uniform spraying is performed on the outer peripheral surface.

An aluminum (Al) 12 layer is further formed on the iron (Fe) 11 metal layer. The aluminum (Al) 12 layer is also formed by arc spraying in the same manner as described above. For example, a layer of 30 to 50 μm is formed.
Ceramic coating 13 is further performed on the aluminum (Al) 12 layer, and coating including ceramic particles is performed on the aluminum (Al) 12 layer. Therefore, the external appearance of the electromagnetic induction heating container 1 is an earthenware pot, and an electromagnetic induction heating container having an excellent external appearance can be obtained.

In the above description, the metal layer of iron (Fe) 11 or aluminum (Al) 12 is formed by arc spraying. However, plasma spraying or the like may be used.
(Embodiment 2)

  Next, Embodiment 2 of the present invention will be described. In this example, the external configuration of the electromagnetic induction heating container 1 is the same as that of FIG. 1 described above, and is composed of a container body 2 and a lid 3, and the container body 2 is provided with handles 3 and 4 on both sides. . The lid 3 is provided with a grip portion 5.

  FIG. 5 is a diagram showing a cross-sectional configuration of the container body 20 of the present example, and the container body 2 is made of aluminum (Al) as described above. In addition, as shown to the figure, it is good also as a structure which coat | covers aluminum (Al) 7 on the surrounding surface by making iron (Fe) into the base material 6. FIG. Further, scoring prevention fluororesin processing 8 and 9 is applied. Further, the fluororesin processing 8 and 9 is the same as described above, and is formed by, for example, a method of undercoating the fluororesin paint 8 and further overcoating PTFE (tetrafluoroethylene resin (polytetrafluoroethylene)) 9. Yes.

  On the other hand, the outer peripheral surface of the container body 20 is also formed of iron (Fe) 21, aluminum (Al) 22, and ceramic 23 layers. Further, arc spraying is used to form each layer of iron (Fe) 21 and aluminum (Al) 22 as described above.

  As shown in FIG. 5, the container body 20 of the present example has a peripheral edge 20 a that is thicker than the other part 20 b. Usually, the thickness of the peripheral edge portion is processed to about 2.0 mm, but the peripheral edge portion 20a of the container body 20 of this example is processed to 3.0 mm. Therefore, the side part 20b of the container main body 20 other than the peripheral edge part 20a is, for example, 1.3 mm thick and has a structure with excellent thermal efficiency. That is, heat heated by a magnetic body (not shown) is transmitted to the contents through the container body 20 that is thinner than before, and the contents can be efficiently heated.

Further, since the peripheral edge portion 20a of the container body 20 is formed thick, the heavy feeling of the container body 20 itself is increased, and an electromagnetic induction heating container having effects in terms of both energy saving and appearance can be provided.
In the above description, the metal layer of iron (Fe) 11 or aluminum (Al) 12 is formed by arc spraying. However, plasma spraying or the like may be used.
(Embodiment 3)

Next, a third embodiment of the present invention will be described.
This example is an invention of an electromagnetic induction heating cooker configured to be detachable using the electromagnetic induction heating container having the configuration of the first and second embodiments as an inner pot.

FIG. 6 is a cross-sectional view showing the configuration of the electromagnetic induction heating cooker used in the present embodiment. In addition, this example demonstrates the example of an electromagnetic induction heating rice cooker as an electromagnetic induction heating cooking appliance.
The electromagnetic induction heating rice cooker 30 is composed of a main body 31 and a lid portion 32, and the aforementioned container main body 2 or 20 (electromagnetic induction heating container) is set in the main body 30. A heating coil 34 for electromagnetic induction heating is disposed near the lower surface of the container body 2 or 20. The heating coil 34 is spirally rotated and connected in series to a high-frequency power source, and a high-frequency current is supplied to the heating coil 34. The heating coil 34 is driven and controlled by a control circuit (not shown).

A magnetic body 35 is disposed on the bottom surface of the container body 2 or 20 adjacent to the heating coil 34. As the magnetic body 35, an iron-based material having magnetism, for example, a material such as stainless steel (SUS430) is used. And if an electric current is sent through the said heating coil 34, an eddy current will generate | occur | produce in the magnetic body 35, it will generate | occur | produce and heat the container main body 2 or 20 (electromagnetic induction heating container).
By comprising in this way, electromagnetic induction heating cooking appliances, such as the electric rice cooker 30, can be comprised using the electromagnetic induction heating container 1 corresponding to the above-mentioned energy saving, and the electromagnetic induction heating cooking appliance corresponding to energy saving It can also be. In particular, there is a high demand for ecological products in recent years, and it is possible to provide an electromagnetic induction heating cooker with a good image.

In the above description of the embodiment, the example of the electromagnetic induction heating rice cooker has been described as the electromagnetic induction heating cooker 1 of the present invention. However, the present invention is not limited to the electromagnetic induction heating rice cooker, and cooking using an electromagnetic induction heating method is employed. It can be applied to all vessels.
Moreover, copper (Cu) and a copper alloy can also be used as a metal layer, and also an iron alloy can be used.

DESCRIPTION OF SYMBOLS 1 ... Electromagnetic induction heating container 2 ... Container main body 3, 4, ... Handle 5 ... Grip part 6 ... Base material 8, 9, ... Fluororesin processing 10, ... Aluminum (Al) layer 11 ..Iron (Fe) 11
12. Aluminum (Al)
13 .. Ceramic 14, 15... Nozzle 16.. Arc part 17.. Arc spraying machine 18, 19.. Wire rod 20 .. Container body 20 a. Electromagnetic induction heating rice cooker 31 ·· Body 32 · · Lid 34 · · Heating coil 35 · · Magnetic material

Claims (8)

A first metal layer formed on the outer peripheral surface of the container body by arc spraying;
A second metal layer formed by arc spraying on the first metal layer;
A ceramic layer formed by ceramic coating on the second metal layer;
A magnetic body that is formed in the container body and performs electromagnetic induction action by a high-frequency current;
An electromagnetic induction heating container characterized by comprising: The first metal layer is iron having a thickness of 0.3 to 0.5 mm, and the second metal layer is aluminum having a thickness of 30 to 50 µm. Electromagnetic induction heating container. A first metal layer forming process for forming a first metal layer on the outer peripheral surface of the container body by arc spraying;
A second metal layer forming process for forming a second metal layer on the first metal layer by arc spraying;
A process of performing ceramic coating on the second metal layer;
Forming a magnetic body based on an electromagnetic induction effect by a high-frequency current in the container body;
The manufacturing method of the electromagnetic induction heating container characterized by performing. 4. The electromagnetic induction heating container according to claim 3, wherein the first metal layer is iron having a layer thickness of 50 mm, and the second metal layer is aluminum having a layer thickness of 30 to 50 [mu] m. Method. 3. The electromagnetic induction heating container according to claim 1, wherein a thickness of a peripheral edge portion of the container body is thicker than a thickness of another part of the container body. 5. The method of manufacturing an electromagnetic induction heating container according to claim 3, wherein a thickness of a peripheral edge portion of the container body is thicker than a thickness of the other part of the container body. An electromagnetic induction heating cooker capable of detachably setting the electromagnetic induction heating container according to any one of claims 1 to 6. The electromagnetic induction heating cooker according to claim 7, wherein the cooker is an electromagnetic induction heating rice cooker.

Images