KR19990073452A - A Method Of Fabricating An Aluminium Cooker Having Magnetic Material For Use In An Induction Heater - Google Patents
A Method Of Fabricating An Aluminium Cooker Having Magnetic Material For Use In An Induction Heater Download PDFInfo
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- KR19990073452A KR19990073452A KR1019990028316A KR19990028316A KR19990073452A KR 19990073452 A KR19990073452 A KR 19990073452A KR 1019990028316 A KR1019990028316 A KR 1019990028316A KR 19990028316 A KR19990028316 A KR 19990028316A KR 19990073452 A KR19990073452 A KR 19990073452A
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Abstract
본 발명은 전자파유도가열기에 사용되도록 자성체의 발열강판을 부착하는 알루미늄 조리기의 제조방법에 관한 것으로서, 수개의 다공이 천설된 페라이트계 스텐인레스강재의 발열판을 조리기의 바닥면에 압착공법에 의하여 부착함으로써, 국부적인 고열발생을 억제하면서 조리기의 전체바닥면에 골고루 열을 분산할 수 있어 열효율을 증대시킬 수가 있다. 또한, 스테인레스강재의 발열판에 의하여 조리기의 내구성 및 내식성이 향상된다.The present invention relates to a method for manufacturing an aluminum cooker attaching a heating steel sheet of a magnetic material to be used in an electromagnetic induction heater, by attaching a heating plate of a ferrite stainless steel material in which several pores are laid on the bottom surface of the cooker by a pressing method. In addition, the heat efficiency can be increased by uniformly distributing heat to the entire bottom of the cooker while suppressing local high heat generation. In addition, durability and corrosion resistance of the cooker are improved by the heating plate made of stainless steel.
Description
본 발명은 통상의 알루미늄 또는 알루미늄합금 조리기를 전자파유도가열기(induction heater)에 사용될 수 있도록 그 조리기의 밑바닥에 발열유도를 위한 자성체의 강판을 강고하게 부착하여 되는 자성체의 알루미늄 조리기의 제조방법에 관한 것이다.The present invention relates to a method for manufacturing a magnetic aluminum cooker by firmly attaching a steel sheet of a magnetic material for induction of heat to the bottom of the cooker so that a conventional aluminum or aluminum alloy cooker can be used in an electromagnetic induction heater (induction heater). will be.
일반적으로 알루미늄 또는 알루미늄합금은 성형성 및 가공성이 우수할 뿐만 아니라 열전도성이 우수하기 때문에 후라이팬, 밥솥, 냄비등의 주방용조리기로서 널리 이용되고 있다.In general, aluminum or aluminum alloy is widely used as a cooking cooker such as a frying pan, a rice cooker, and a pot because of excellent moldability and processability as well as excellent thermal conductivity.
이러한 주방용조리기는 자체가열수단이 구비되어 있지 않은 것과 자체가열수단이 구비되어 있는 것이 있는데, 자체가열수단이 구비되어 있지 않은 경우에는 전기곤로, 가스레인지, 연탄, 나무등으로 가열하여 조리를 하며, 자체가열수단이 구비되어 있는 전기오븐, 전기후라이팬, 전기밥솥, 전기포트등은 그 안에 내장된 유도코일에 의하여 자체적으로 가열하여 조리를 한다.These kitchen cookers are not equipped with a self-heating means and there is a self-heating means, if the self-heating means are not equipped with an electric stove, gas range, briquettes, wood, etc. to cook. Electric ovens, electric pans, rice cookers, electric pots, etc., which are equipped with self-heating means, are heated and cooked by induction coils built therein.
그러나, 이와같이 알루미늄등의 재질로 된 주방용조리기는 경량이면서 열전도성이 우수한 성질을 갖는 반면에 비자성체로 성형되어 있기 때문에, 근래에 각광받고 있는 유도가열기에서는 사용될 수 없는 문제점이 있다.However, since the kitchen cooker made of aluminum or the like has a property of being lightweight and excellent in thermal conductivity while being formed of a non-magnetic material, there is a problem that it cannot be used in an induction heater that is recently spotlighted.
또한, 알루미늄은 연질성을 갖기 때문에 전기후라이팬, 전기밥솥, 전기포트, 또는 가스레인지등에 의해 발생되는 열에 의해 변형되기 쉬운 점이 있을 뿐만아니라, 상기와 같은 전열기를 사용함에 있어서는 수분등에 의한 조리중 잘못하면 감전 사고등이 발생될 수도 있다. 더우기, 전자레인지등을 사용하는 경우에는 전자파를 강제적으로 조사하기 때문에 신체기능에 장애가 있을 수도 있다.In addition, since aluminum is soft, it may be easily deformed by heat generated by an electric frying pan, an electric rice cooker, an electric pot, or a gas cooker. Electric shock accidents may occur. In addition, when using a microwave oven forcibly irradiated with electromagnetic waves may impair physical function.
본 발명은 전술한 문제점을 개선하기 위하여 이루어진 것으로서, 알루미늄재질의 조리기의 바닥면에 자성체를 띄는 클래드금속의 강판을 압착공법에 의하여 강고하게 매설함으로써 전자파유도가열기에 사용되게 함과 동시에 이 자성체의 강판에 의하여 조리기의 전체바닥면의 부분적인 고열발생의 억제와 균일한 열전달의 효과를 얻게 하는 데 그 목적이 있다.The present invention has been made to improve the above-mentioned problems, and the steel plate of the clad metal having a magnetic substance on the bottom surface of the aluminum cooker is firmly embedded by the crimping method to be used in the electromagnetic wave induction heater and at the same time The purpose of the steel sheet is to suppress the partial high heat generation and uniform heat transfer of the entire bottom surface of the cooker.
상기의 목적을 달성하기 위하여, 본 발명은 조리기의 바닥면에 수개의 천공이 천설된 스테인레스강재의 발열판을 압축공정에 의해 매설하는 것을 특징으로 하고 있다.In order to achieve the above object, the present invention is characterized in that the heating plate of the stainless steel material in which several perforations are laid on the bottom surface of the cooker by a compression process.
도1a는 발열강판의 평면도이고, 도1b는 그 단면도Figure 1a is a plan view of the heating steel sheet, Figure 1b is a cross-sectional view
도2는 발열강판이 부착된 조리용기의 단면도Figure 2 is a cross-sectional view of the cooking vessel with a heating plate
이하, 본 발명은 첨부도면에 의하여 상세히 설명한다.Hereinafter, the present invention will be described in detail by the accompanying drawings.
도1a는 발열판의 평면도이며, 도1b는 그 단면도이다.Fig. 1A is a plan view of the heating plate, and Fig. 1B is a sectional view thereof.
발열판(20)은 소정의 크기의 스테인레스강을 프레스가공에 의해 형성한 후에, 그 상면에 동심선상을 따라 다수개의 소정의 구멍(20c)을 천공기에 의해 천설하여 형성된 것이고, 그 중앙부에는 통공(20a)이 형성되어 있다. 상면에 천설되는 구멍(20c)은 도1b에 도시된 바와 같이 저면으로 돌출되는 돌출부(20b)를 갖는다. 이 때 스테인레스강은 바람직하게는 철성분이 많이 함유된 페라이트계 스테인레스강을 사용함으로써 많은 전자파를 유도하여 발열량이 증대되도록 할 수 있다.The heat generating plate 20 is formed by pressing a plurality of predetermined holes 20c along a concentric line on the upper surface of the heating plate 20 by forming a stainless steel having a predetermined size, and forming a through hole 20a in the center portion thereof. ) Is formed. The hole 20c laid in the upper surface has a projection 20b projecting to the bottom as shown in Fig. 1B. At this time, the stainless steel is preferably made of ferritic stainless steel containing a lot of iron components can induce a lot of electromagnetic waves to increase the amount of heat generated.
발열판의 형상은 원형, 장방형, 육각형등의 여러 형상을 가질 수도 있다.The shape of the heating plate may have various shapes such as a circle, a rectangle, and a hexagon.
이와같이 형성된 발열판(20)의 하면을 조리기(10)의 바닥면에 향하도록 놓고 나서 가압프레스에서 1,000kg/㎠ ∼ 2,000kg/㎠의 압력으로 압착함으로써 돌출부(20b)가 조리기의 바닥면에 관입됨으로써 발열판(20)이 매설되어 조리기의 바닥면에 견고하게 결착되게 된다. 미설명 부호 30은 불소수지 코팅막이다.The lower surface of the heating plate 20 thus formed is faced to the bottom surface of the cooker 10, and then pressed by a pressure of 1,000 kg / cm 2 to 2,000 kg / cm 2 in a pressurized press, so that the protrusion 20b is introduced into the bottom surface of the cooker. The heating plate 20 is embedded is firmly bound to the bottom surface of the cooker. Reference numeral 30 is a fluororesin coating film.
이와같이 형성된 조리기는 유도가열기로 부터의 전자파를, 자성체의 발열판(20)에 발생시키면 발열판(20)은 자화성을 띄게 되어 축적된 열이 알루미늄판(10a)의 바닥면에 신속하게 전달됨으로써 조리기내의 대류현상에 의하여 음식물이 조리된다.The cooker thus formed generates electromagnetic waves from the induction heater on the heating plate 20 of the magnetic material, and the heating plate 20 becomes magnetizable so that the accumulated heat is quickly transferred to the bottom surface of the aluminum plate 10a. The food is cooked by the convection phenomenon in the inside.
상술한 바와 같이 본 발명에 의하면, 발열판은 스테인레스강으로 되어 있어 국부적인 열전도율이 좋고 또한, 조리기는 알루미늄재로 되어 있어 스테인레스강보다 전체적인 열전도율이 좋기 때문에, 유도가열기에서 발생되는 전자파는 발열판을 거쳐 조리기로 전달되기 때문에 조리기의 국부적인 고열발생을 억제함과 동시에 전체바닥면에 열을 균일하게 전달할 수 있어 열효율의 증대는 물론, 조리시간을 단축시킬 수가 있다.As described above, according to the present invention, since the heating plate is made of stainless steel and has a good thermal conductivity, and the cooker is made of aluminum and the overall thermal conductivity is better than that of stainless steel, the electromagnetic wave generated in the induction heater passes through the heating plate. Since it is transmitted to the cooker, local high heat generation of the cooker can be suppressed and heat can be uniformly transferred to the entire bottom surface, thereby increasing the thermal efficiency and shortening the cooking time.
또한, 스테인레스강재의 발열판이 부착됨으로써 조리기의 바닥면에 대한 내구성과 내식성이 향상되어 조리기의 수명이 오래간다.In addition, since the heating plate of the stainless steel is attached, durability and corrosion resistance of the bottom surface of the cooker are improved, and the life of the cooker is long.
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KR1019990028316A KR19990073452A (en) | 1999-07-13 | 1999-07-13 | A Method Of Fabricating An Aluminium Cooker Having Magnetic Material For Use In An Induction Heater |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100402929B1 (en) * | 2000-09-01 | 2003-10-30 | 정우실업 주식회사 | Producing method of kitchen utensil for induction range and device thereof |
KR20040014783A (en) * | 2002-08-12 | 2004-02-18 | 이명곤 | Cooking pan and manufacturing method of it |
KR20040023418A (en) * | 2002-09-11 | 2004-03-18 | 백선흠 | Magnetic metal board for cooker of eletromagnetic induction heating method |
KR100764545B1 (en) * | 2006-06-21 | 2007-10-09 | 주식회사 에이아이씨 | An induction range pot and a manufacture method thereof |
KR100883420B1 (en) * | 2007-01-23 | 2009-02-11 | 주식회사 대성쿡웨어 | Bottom structure of cooking receptacle |
-
1999
- 1999-07-13 KR KR1019990028316A patent/KR19990073452A/en not_active Application Discontinuation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100402929B1 (en) * | 2000-09-01 | 2003-10-30 | 정우실업 주식회사 | Producing method of kitchen utensil for induction range and device thereof |
KR20040014783A (en) * | 2002-08-12 | 2004-02-18 | 이명곤 | Cooking pan and manufacturing method of it |
KR20040023418A (en) * | 2002-09-11 | 2004-03-18 | 백선흠 | Magnetic metal board for cooker of eletromagnetic induction heating method |
KR100764545B1 (en) * | 2006-06-21 | 2007-10-09 | 주식회사 에이아이씨 | An induction range pot and a manufacture method thereof |
KR100883420B1 (en) * | 2007-01-23 | 2009-02-11 | 주식회사 대성쿡웨어 | Bottom structure of cooking receptacle |
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