WO2017022953A1

WO2017022953A1 - Method for manufacturing kitchen container capable of performing induction heating

Info

Publication number: WO2017022953A1
Application number: PCT/KR2016/007002
Authority: WO
Inventors: 정효태
Original assignee: 강릉원주대학교산학협력단
Priority date: 2015-08-05
Filing date: 2016-06-30
Publication date: 2017-02-09
Also published as: KR20170017165A

Abstract

In order to implement a kitchen container capable of performing induction heating, the present invention provides a method for manufacturing a kitchen container capable of performing induction heating, the method comprising: a first step for providing a container body part containing a metal material; a second step for forming a sputtering deposition layer on the outer bottom surface of the container body part; and a third step for forming a plating layer on the sputtering deposition layer, using the sputtering deposition layer as an electrode of a plating process.

Description

Manufacturing method of kitchen container capable of induction heating

The present invention relates to a kitchen container and a method for manufacturing the same, and more particularly, to a kitchen container capable of induction heating and a method for manufacturing the same.

When the magnetic force line generated from the coil passes through the kitchen vessel capable of induction heating, eddy current is generated by the resistance component of the material constituting the kitchen vessel, and the eddy current is converted into heat by the resistance component, so the kitchen vessel itself generates heat. Cooking can be performed.

Induction heating of a kitchen vessel made of metal occurs at a specific frequency, and typically aluminum kitchen vessels do not induction heating. Therefore, the application of induction heating to aluminum kitchenware, which is widely used due to its light weight, requires a technical solution.

In order to implement induction heating in an aluminum kitchenware, an iron plate cladding technique was attempted on the bottom of a container. The problem with this technique is that the difference between the thermal expansion of the aluminum plate and the cladding iron plate causes the iron plate to deviate or deform upon repeated use of the container.

As another technical method for implementing induction heating in an aluminum kitchenware, an attempt has been made to perform iron spray coating on an aluminum base plate. In the case of applying the thermal spray coating technology, if the finished product is defective, a partial repair (repair) is impossible, and thus the entire manufacturing product must be disposed of, resulting in a problem of increasing manufacturing cost. If the thermal deformation of the thermal spray process is severe and can not be used because a certain thickness or more is required, there is a problem that the use of a thin aluminum kitchen vessel for light weight is limited.

As described above, the aluminum kitchen vessel is not implemented induction heating in the existing commercial frequency range. The present invention is to solve the problem of thermal fatigue of the iron material for aluminum induction heating, the manufacturing cost and light weight of the thermal spray coating, a kitchen vessel and a method of applying a uniform and stable coating technology induction heating is implemented on the aluminum base plate It aims to provide. However, these problems are exemplary, and the scope of the present invention is not limited thereby.

According to an aspect of the present invention, there is provided a method of manufacturing an induction heating capable kitchen container. The method of manufacturing a kitchen container capable of induction heating may include a first step of providing a container body portion containing a metal material; Forming a sputtering deposition layer on an outer bottom surface of the container body portion; And a third step of forming a plating layer on the sputtering deposition layer by using the sputtering deposition layer as an electrode of a plating process.

In the method of manufacturing a kitchen container capable of induction heating, the container body portion contains aluminum (Al), the plating layer contains at least one selected from iron (Fe), nickel (Ni) and cobalt (Co), The sputtering deposition layer may contain at least one selected from copper (Cu), iron (Fe), nickel (Ni), cobalt (Co), and aluminum (Al).

In the manufacturing method of the kitchen vessel capable of induction heating, the container body portion contains aluminum (Al), the sputtering deposition layer is copper (Cu), iron (Fe), nickel (Ni), cobalt (Co) and aluminum At least one selected from (Al) may be contained.

In the method of manufacturing a kitchen container capable of induction heating, the plating layer contains at least one selected from iron (Fe), nickel (Ni) and cobalt (Co), and the sputtering deposition layer is copper (Cu), iron ( Fe), nickel (Ni), cobalt (Co) and aluminum (Al) may contain at least one selected from.

In the method of manufacturing the kitchen container capable of induction heating, the sputtering deposition layer may contain at least one selected from copper (Cu), iron (Fe), nickel (Ni), cobalt (Co) and aluminum (Al). have.

In the method of manufacturing an induction heating capable kitchen container, the sputtering deposition layer and the plating layer may include a material that can be induction heated by an induction range operating in a commercial frequency range.

The method of manufacturing a kitchen container capable of induction heating may further include forming fine surface irregularities on an outer bottom surface of the container body after the first step and before the second step.

The method of manufacturing the kitchen container capable of induction heating may further include, after the third step, forming a ceramic coating layer on the container body, the sputtering deposition layer, and the plating layer.

The method of manufacturing the kitchen container capable of induction heating may further include corroding a surface of the sputtering deposition layer after the second step and before the third step.

The method of manufacturing a kitchen container capable of induction heating may include forming a second sputtering deposition layer on an inner bottom surface of the container body portion; And forming a second plating layer on the second sputtering deposition layer by using the second sputtering deposition layer as an electrode of a plating process.

According to another aspect of the present invention, a kitchen container capable of induction heating is provided. The induction heating capable kitchen vessel includes a container body portion containing a metal material; A sputtering deposition layer formed on the outer bottom surface of the container body portion; And a plating layer formed on the sputtering deposition layer, wherein the plating layer is formed using the sputtering deposition layer as an electrode of a plating process.

The kitchen container capable of induction heating, the second sputtering deposition layer formed on the inner bottom surface of the container body portion; And a second plating layer formed on the second sputtering deposition layer, wherein the second plating layer may be formed using the second sputtering deposition layer as an electrode of a plating process.

According to one embodiment of the present invention made as described above, it is possible to implement induction heating in a kitchen container made of a relatively light weight aluminum, the thickness of the existing kitchen induction heating container by reducing the thickness of the aluminum kitchen container It can overcome the limitation, can improve the thermal fatigue phenomenon, can lower the manufacturing cost, can provide a beautiful kitchen container and its manufacturing method. Furthermore, by providing the plating layer to be more strongly attached (adhesive) on the container body portion, it is possible to provide a kitchen container with increased durability and a manufacturing method thereof. Of course, the scope of the present invention is not limited by these effects.

1 to 3 are diagrams sequentially illustrating kitchen containers sequentially implemented according to a manufacturing method according to an embodiment of the present invention.

4 is a view conceptually illustrating a configuration in which the kitchen vessel finally implemented by the manufacturing method according to an embodiment of the present invention is induction heated by the induction range.

5 is a diagram illustrating a kitchen vessel finally implemented by the manufacturing method according to another embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various forms, and the following embodiments are intended to complete the disclosure of the present invention, the scope of the invention to those skilled in the art It is provided to inform you completely. In addition, in the drawings, at least some of the components may be exaggerated or reduced in size. Like numbers in the drawings refer to like elements.

Throughout the specification, when referring to one component, such as a layer or region, being located "on" another component, said one component directly "contacts" the other component, or between It may be interpreted that there may be other intervening components. On the other hand, when referring to one component located directly on another component, it is interpreted that there are no other components intervening therebetween.

1 to 3 are views illustrating kitchen containers sequentially implemented according to a manufacturing method according to an embodiment of the present invention.

Referring to FIG. 1, a kitchen container 100a having a container body 120 is provided. The container body 120 may be made of a metal material. For example, the container body 120 may contain a conductive metal. Specifically, the container body 120 may contain aluminum (Al).

For convenience, the surface of the container body portion 120 may include an outer bottom surface 120a, an outer side surface 120b, an inner bottom surface 120c, and an inner side surface 120d. The inside of the kitchen vessel 100a may be understood as a portion defining a space in which a cooking object is accommodated, and the outside of the kitchen vessel 100a may include a portion that contacts the heating source.

Referring to FIG. 2, a sputtered deposition layer 142 is formed on at least a portion of the outer bottom surface of the container body 120. Further, the sputter deposition layer 142 may be formed to extend from the outer bottom surface of the container body portion 120 to at least a portion of the outer side surface. The sputtered deposition layer 142 is formed by a sputtering process, which is a physical vapor deposition (PVD) process.

The sputtering deposition layer 142 may be used as an electrode (or an auxiliary electrode) in a plating process to form a plating layer on the sputtering deposition layer 142 later. In addition, the sputtering deposition layer 142 may also serve as an adhesive layer for improving the adhesion (adhesive force) between the container body 120 and the plating layer.

In order to achieve this purpose, the sputtering deposition layer 142 may contain at least one selected from copper (Cu), iron (Fe), nickel (Ni), cobalt (Co) and aluminum (Al). The kind of the material is exemplary, and the technical spirit of the present invention is not limited to the kind of the exemplary material. On the other hand, the sputtered deposition layer 142 may be configured to include a material that can be induction heated by the induction range operating in the commercial frequency range.

In addition, the sputtered deposition layer 142 may be formed by a chemical vapor deposition (CVD) process or an atomic layer deposition (ALD) process.

In order to increase the adhesion between the container body portion 120 and the sputtering deposition layer 142, if necessary, surface fine unevenness may be formed on at least a portion of the container body portion 120 in contact with the sputtering deposition layer 142. have. In order to form the surface fine unevenness, for example, a sand blasting process may be performed on at least a portion of the container body 120 which is in contact with the sputtering deposition layer 142.

Referring to FIG. 3, the plating layer 144 is formed on the sputtering deposition layer 142. The sputtering deposition layer 142 may be understood as an adhesive layer for improving adhesion between the plating layer 144 and the container body 120. The sputtering deposition layer 142 and the plating layer 144 formed on at least a portion of the outer bottom surface of the container body 120 may be referred to as the outer induction heating layer 140, and the outer induction heating layer 140 may be induction. It may include a material that can be induction heated by the range.

The plating layer 144 may contain a magnetic material such as iron (Fe), nickel (Ni), or cobalt (Co). For example, the plating layer 144 may contain at least one selected from iron (Fe), nickel (Ni), and cobalt (Co). As another example, the plating layer 144 may contain iron (Fe) and nickel (Ni). For example, the plating layer 144 may include an iron-nickel alloy containing 30% to 80% nickel. For example, the plating layer 144 may include an Fe—Ni 45% alloy containing 45% nickel. As another example, the plating layer 144 may include an invar alloy or permalloy, which is a Fe-Ni-based alloy. Further, the plating layer 144 may optionally be further formed by further containing chromium (Cr). The above-described composition of the plating layer 144 is an exemplary composition for better understanding and the scope of the present invention is not limited only to this specific composition.

In order to solve the problem that the plating layer 144 having the above-described composition is not easily plated directly on the container body 120, the present inventors introduced the sputtering deposition layer 142 described above. In the plating process in which the plating layer 144 is implemented, the sputter deposition layer 142 may be used as a plating electrode (or a plating auxiliary electrode).

On the other hand, in the kitchen vessel (100c) capable of induction heating according to some embodiments of the present invention, the thickness of the plating layer 144 may be 150㎛ or more, strictly, may have a range of 150㎛ to 1000㎛ And more strictly in the range of 150 μm to 500 μm. Induction heating capable kitchen vessel (100c) in this range is recognized without a short circuit by the induction range can be carried out induction heating.

In the kitchen vessel 100c capable of induction heating according to some embodiments of the present invention, the thickness of the plating layer 144 may be even more strictly in the range of 200 μm to 400 μm. Induction heating capable kitchen vessel (100c) in this range is recognized without a short circuit by the induction range while reducing the boiling time of water can be carried out induction heating.

In the kitchen container 100c capable of induction heating according to some embodiments of the present invention, the thickness of the plating layer 144 may be even more strictly in the range of 250 μm to 400 μm. Induction heating capable kitchen vessel (100c) in this range is recognized without a short circuit by the induction range while having the same or better performance than the kitchen container with the spray coating layer can be carried out induction heating.

In the manufacturing method according to the modified embodiments of the present invention, at least a portion of the surface of the sputtering deposition layer 142 may be corroded before the plating layer 144 is formed on the sputtering deposition layer 142. When the plating layer 144 is formed on the sputtered deposition layer 142 that corroded the surface, the induction range may be recognized without a short circuit so that induction heating may be performed smoothly.

Induction heating capable kitchen container 100c according to some embodiments of the present invention, although not shown in Figure 3, the ceramic coating layer formed on the container body 120, sputtering deposition layer 142 and the plating layer 144 It may further include. The ceramic coating layer may be formed by anodizing the surface of the plating layer 144. In order to improve adhesion of the ceramic coating layer, a sand blasting process may be selectively performed on the plating layer 144 before forming the ceramic coating layer.

Referring to FIG. 4, the kitchen vessel 100c capable of induction heating according to some embodiments of the present disclosure may be induction heated by the induction range 300. Induction range 300 may include an induction range operating in the existing commercial frequency range. When the magnetic force line M generated in the coil 320 of the induction range 300 passes through the sputtering deposition layer 142 and / or the plating layer 144 capable of induction heating, the sputtering deposition layer 142 and / or the plating layer 144. Vortex current can be generated by the resistance of the magnetic material (or iron-based material) constituting the). Since the eddy current is converted into heat by the resistance, the sputtering deposition layer 142 and / or the plating layer 144 itself may be heated to heat the container body 120 to cook.

Referring to Figure 5, the kitchen vessel (100d) finally implemented by the manufacturing method according to another embodiment of the present invention is the inner induction heating layer 150 formed on at least a portion of the inner bottom surface of the container body portion 120 ) May be further included. Further, the inner induction heating layer 150 may be formed to extend from the inner bottom surface of the container body portion 120 to at least a portion of the inner side surface. Since the inner induction heating layer 150 capable of induction heating is formed on at least the inner bottom surface of the container body 120, the heating efficiency for the object to be cooked may be further improved.

The inner induction heating layer 150 may include a second sputter deposition layer 152; And a second plating layer 154 formed on the second sputtering deposition layer 152. In the plating process of forming the second plating layer 154, the second sputtering deposition layer 152 may be used as a plating electrode (or a plating auxiliary electrode).

The materials constituting the sputtering deposition layer 142 and the second sputtering deposition layer 152 may be the same. In addition, the materials constituting the plating layer 144 and the second plating layer 154 may be the same. However, the technical spirit of the present invention is not limited thereto. For example, as long as the second sputtering deposition layer 152 and / or the second plating layer 154 are made of a material capable of induction heating, the sputtering deposition layer 142 may be used. ) And / or the plating layer 144.

Forming the sputtering deposition layer 142 and forming the second sputtering deposition layer 152 may be performed simultaneously, sequentially, or in reverse order. In addition, the forming of the plating layer 144 and the forming of the second plating layer 154 may be performed simultaneously, sequentially, or in reverse order.

On the other hand, although not shown in the drawings, in the kitchen vessel finally implemented by the manufacturing method according to another embodiment of the present invention, the above-described outer induction heating layer 140 is not provided and the inner induction heating layer 150 described above. ) May only be provided on the container body 120.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Claims

Providing a container body portion containing a metallic material;

Forming a sputtering deposition layer on an outer bottom surface of the container body portion; And

A third step of forming a plating layer on the sputtering deposition layer using the sputtering deposition layer as an electrode of a plating process;

Including, the method of manufacturing a kitchen container capable of induction heating.
The method of claim 1,

The container body portion contains aluminum (Al), the plating layer contains at least one selected from iron (Fe), nickel (Ni) and cobalt (Co), the sputtering deposition layer is copper (Cu), iron ( Fe), nickel (Ni), cobalt (Co) and aluminum (Al) containing at least one selected from, a method for producing an induction heating capable kitchen vessel.
The method of claim 1,

The container body portion contains aluminum (Al), and the sputtering deposition layer contains at least one selected from copper (Cu), iron (Fe), nickel (Ni), cobalt (Co) and aluminum (Al), Induction heating method of manufacturing a kitchen container.
The method of claim 1,

The plating layer contains at least one selected from iron (Fe), nickel (Ni) and cobalt (Co), and the sputtering deposition layer is copper (Cu), iron (Fe), nickel (Ni), and cobalt (Co). And at least one selected from aluminum (Al).
The method of claim 1,

The sputtering deposition layer containing at least one selected from copper (Cu), iron (Fe), nickel (Ni), cobalt (Co) and aluminum (Al), the method of manufacturing an induction heating capable kitchen vessel.
The method of claim 1,

The sputtering deposition layer and the plating layer comprises a material that can be induction heated by the induction range operating in the commercial frequency range, the method of manufacturing an induction heating capable kitchen vessel.
The method of claim 1,

After the first step and before the second step,

Forming a surface fine concavo-convex on the outer bottom surface of the container body portion; further comprising, the method of manufacturing a kitchen container capable of induction heating.
The method of claim 1,

After the third step,

Forming a ceramic coating layer on the container body portion, the sputtering deposition layer and the plating layer; further comprising, induction heating capable of manufacturing a kitchen container.
The method of claim 1,

After the second step and before the third step,

Corroding the surface of the sputtered deposition layer; further comprising, the method of manufacturing a kitchen container capable of induction heating.
The method of claim 1,

Forming a second sputtered deposition layer on an inner bottom surface of the container body portion; And

Forming a second plating layer on the second sputtering deposition layer using the second sputtering deposition layer as an electrode of a plating process;

Further comprising, a method of manufacturing a kitchen container capable of induction heating.
A container body portion containing a metal material;

A sputtering deposition layer formed on the outer bottom surface of the container body portion; And

A plating layer formed on the sputtering deposition layer;

The plating layer is formed using the sputter deposition layer as an electrode of the plating process,

Induction heating kitchen utensils.
The method of claim 11,

A second sputtered deposition layer formed on an inner bottom surface of the container body portion; And

And a second plating layer formed on the second sputtered deposition layer.

The second plating layer is formed using the second sputtered deposition layer as an electrode of the plating process,

Induction heating kitchen utensils.
The method of claim 11,

The container body portion contains aluminum (Al), the plating layer contains at least one selected from iron (Fe), nickel (Ni) and cobalt (Co), the sputtering deposition layer is copper (Cu), iron ( Fe), nickel (Ni), cobalt (Co) and aluminum (Al) containing at least any one of the kitchen vessel capable of induction heating.
The method of claim 11,

The container body portion contains aluminum (Al), and the sputtering deposition layer contains at least one selected from copper (Cu), iron (Fe), nickel (Ni), cobalt (Co) and aluminum (Al), Induction heating kitchenware.
The method of claim 11,

The plating layer contains at least one selected from iron (Fe), nickel (Ni) and cobalt (Co), and the sputtering deposition layer is copper (Cu), iron (Fe), nickel (Ni), and cobalt (Co). And at least one selected from aluminum (Al).
The method of claim 11,

The sputtering deposition layer contains at least one selected from copper (Cu), iron (Fe), nickel (Ni), cobalt (Co) and aluminum (Al), kitchenware capable of induction heating.