WO2017104898A1 - Electrically-heated cooker - Google Patents

Electrically-heated cooker Download PDF

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Publication number
WO2017104898A1
WO2017104898A1 PCT/KR2016/002225 KR2016002225W WO2017104898A1 WO 2017104898 A1 WO2017104898 A1 WO 2017104898A1 KR 2016002225 W KR2016002225 W KR 2016002225W WO 2017104898 A1 WO2017104898 A1 WO 2017104898A1
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Prior art keywords
inner pot
main body
electric heating
inner container
present
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PCT/KR2016/002225
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French (fr)
Korean (ko)
Inventor
정준호
이의환
송재준
박철우
김준우
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주식회사 대유위니아
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Publication of WO2017104898A1 publication Critical patent/WO2017104898A1/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/02—Cooking-vessels with enlarged heating surfaces
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/086—Pressure-cookers; Lids or locking devices specially adapted therefor with built-in heating means

Abstract

The present invention relates to an electrically-heated cooker, and in particular to an electrically-heated cooker comprising a main body, an inner container accommodated therein, and a lid for opening and closing the top surface of the main body, wherein at least a part of the side surface of the inner container is formed to be wavy to increase the surface area for heat transfer in the inner container and to allow active convection phenomenon to take place therein, thereby allowing uniform heating of the inner container, and, in particular, allowing thermal insulation to be improved as the heat from a side heater can be more uniformly distributed in the inner container when keeping warm.

Description

전기 가열 조리기Electric heating cooker
본 발명은 전기 가열 조리기에 관한 것이다.The present invention relates to an electric heating cooker.
보다 상세하게는 내솥의 열전달면적이 증대되고, 내솥 내부에서의 열대류 현상이 활발하게 일어날 수 있으므로 내솥의 균일한 가열이 가능하고, 특히, 보온 시 사이드히터에 의한 열이 내솥 내에 보다 골고루 분포되게 할 수 있으므로 보온 성능을 높일 수 있는 전기 가열 조리기에 관한 것이다.In more detail, the heat transfer area of the inner pot is increased, and tropical flow phenomenon in the inner pot can be actively performed, so that the inner pot can be uniformly heated, and in particular, the heat caused by the side heater is more evenly distributed in the inner pot. The present invention relates to an electric heating cooker capable of increasing thermal insulation performance.
일반적으로 전기 가열 조리기는 전기를 가열원으로 사용하여 다양한 조리를 수행하는 전기기구로써, 조리물(예를 들면, 대표적으로 쌀 등)이 수용되는 내솥과, 상기 내솥이 수용되는 본체와, 상기 본체의 상부를 개폐하는 뚜껑과, 상기 내솥을 가열하기 위한 전기가열장치 등을 구비하여 쌀과 같은 조리물을 밥과 같이 취식 가능한 형태로 생성하는 기능을 수행하게 된다.In general, an electric heating cooker is an electric appliance that uses electricity as a heating source to perform various cooking, and includes an inner pot for receiving food (for example, rice, etc.), a main body for receiving the inner pot, and the main body. A lid for opening and closing an upper portion of the lid and an electric heating device for heating the inner pot may perform a function of generating a food such as rice in a edible form such as rice.
이러한 종래의 전기 가열 조리기로는 대한민국 등록특허공보 제10-1362287호에 게재된 전기 압력밥솥이 있다.Such a conventional electric heating cooker is an electric pressure cooker disclosed in Republic of Korea Patent Publication No. 10-1362287.
종래의 전기 압력밥솥은, 히터가 내부에 마련되고 상부가 개방되어 있는 본체 케이스와, 상기 본체 케이스의 내부에 안치되며 다수의 플랜지부가 상부에 마련되는 내솥과, 상기 본체 케이스에 힌지결합되며 개방된 본체 케이스의 상부를 덮도록 배치되며 회전가능한 핸들이 설치되는 외부커버를 포함하는 뚜껑조립체를 구비하는 전기 압력밥솥에 있어서, 상기 내솥은, 상단 가장자리의 외주면에는 테이퍼진 경사면이 형성되어 있고, 상기 뚜껑조립체는, 상기 핸들에 의하여 회전하되 가장자리에 상기 내솥의 플렌지부에 체결되는 걸림부가 형성되는 내부커버와; 상기 내솥을 밀폐시킬 수 있도록 상기 내솥의 상부를 가로지르도록 배치되며 가장자리 내주면에 상기 테이퍼진 경사면과 대응되는 형상을 가지는 밀폐면이 형성되며 금속소재로 이루어진 밀폐부재; 및 상기 밀폐부재 및 상기 내부커버에 각각 결합되어 있으며 전기에 의하여 동작하여 상기 내부커버와 상기 밀폐부재를 서로 멀어지거나 근접하는 방향으로 이동시키는 구동수단을 포함하되, 상기 구동수단은, 상기 내부커버에 배치되며 구동축을 포함하는 구동모터; 및 상기 밀폐부재에 배치되며 상기 구동축과 연결되어 상기 구동축의 회전에 따라서 상기 밀폐부재가 구동축과 동축방향으로 이동가능하게 하는 회전변환부재;를 포함한다.The conventional electric pressure cooker is a main body case having a heater provided therein and the upper part is opened, an inner pot placed inside the main body case and having a plurality of flange portions provided thereon, and hinged to the main body case and opened. An electric pressure cooker having a lid assembly disposed to cover an upper portion of a main body case and including an outer cover on which a rotatable handle is installed, wherein the inner pot has a tapered inclined surface formed on an outer circumferential surface of an upper edge thereof, and the lid The assembly includes an inner cover which rotates by the handle but has a locking portion formed at an edge thereof and fastened to a flange of the inner pot; A sealing member disposed to cross the upper portion of the inner pot so as to seal the inner pot, and a sealing member having a shape corresponding to the tapered inclined surface on an inner circumferential surface thereof, the sealing member made of a metal material; And driving means coupled to the sealing member and the inner cover and operated by electricity to move the inner cover and the sealing member in a direction away from or in proximity to each other, wherein the driving means is connected to the inner cover. A drive motor disposed and including a drive shaft; And a rotation converting member disposed on the sealing member and connected to the driving shaft to allow the sealing member to move coaxially with the driving shaft in accordance with the rotation of the driving shaft.
하지만, 종래의 전기 압력밥솥은 내솥의 측면이 일반적인 원통형상이므로 열전달면적이 일정하여 열대류 현상이 활발하지 못하므로 실질적으로 내솥의 균일한 가열이 어렵다는 문제점이 있다.However, the conventional electric pressure cooker has a problem in that it is difficult to uniformly heat the inner pot since the side of the inner pot is generally cylindrical in shape, so that the heat transfer area is constant and the tropical flow phenomenon is not active.
본 발명에 따른 전기 가열 조리기는 음식물의 조리시간이 다소 길다는 문제점이 있다.Electric heating cooker according to the present invention has a problem that the cooking time of the food is rather long.
본 발명에 따른 전기 가열 조리기는 보온 시 사이드히터에 의한 열이 내솥 내에 골고루 분포되지 못하므로 보온 성능이 떨어진다는 문제점이 있다.The electric heating cooker according to the present invention has a problem in that the heat retaining performance is poor because heat by the side heater is not evenly distributed in the inner pot during warming.
[특허문헌][Patent Documents]
(특허문헌 1) KR10-1362287 B1 (Patent Document 1) KR10-1362287 B1
본 발명은 전술한 문제를 해결하기 위해 안출된 것으로서, 내솥의 열전달면적이 증대되고, 내솥 내부에서의 열대류 현상이 활발하게 일어날 수 있으므로 내솥의 균일한 가열이 가능하고, 특히, 보온 시 사이드히터에 의한 열이 내솥 내에 보다 골고루 분포되게 할 수 있으므로 보온 성능을 높일 수 있는 전기 가열 조리기를 제공하는데 그 목적이 있다.The present invention has been made to solve the above-described problem, the heat transfer area of the inner pot is increased, the tropical flow phenomenon inside the inner pot can be active, even heating of the inner pot is possible, in particular, the side heater It is an object of the present invention to provide an electric heating cooker that can increase the thermal insulation performance because heat can be more evenly distributed in the inner pot.
상기와 같은 과제를 해결하기 위한 본 발명의 전기 가열 조리기는, 본체와, 상기 본체의 내부에 수납되는 내솥, 및 상기 본체의 상면을 개폐하는 뚜껑을 포함하되, 상기 내솥의 측면 중 적어도 일부는 웨이브지게 형성되는 것을 특징으로 한다.Electric heating cooker of the present invention for solving the above problems includes a main body, an inner pot accommodated in the interior of the main body, and a lid for opening and closing the upper surface of the main body, at least a portion of the inner pot is wave It is characterized in that the fork formed.
또한, 상기 내솥의 하면은 웨이브지게 형성되는 것을 특징으로 한다.In addition, the bottom of the inner pot is characterized in that the wave is formed.
본 발명에 따른 전기 가열 조리기는 다음과 같은 장점이 있다.Electric heating cooker according to the present invention has the following advantages.
본 발명에 따른 전기 가열 조리기는 내솥의 열전달면적이 증대되고, 내솥 내부에서의 열대류 현상이 활발하게 일어날 수 있으므로 내솥의 균일한 가열이 가능하다는 장점이 있다.Electric heating cooker according to the present invention has the advantage that the heat transfer area of the inner pot is increased, the tropical phenomenon can occur actively in the inner pot is possible uniform heating of the inner pot.
본 발명에 따른 전기 가열 조리기는 음식물의 조리시간이 단축된다는 장점이 있다.Electric heating cooker according to the present invention has the advantage that the cooking time of the food is shortened.
본 발명에 따른 전기 가열 조리기는 보온 시 사이드히터에 의한 열이 내솥 내에 보다 골고루 분포되게 할 수 있으므로 보온 성능을 높일 수 있다는 장점이 있다.Electric heating cooker according to the present invention has the advantage that the heat by the side heater can be more evenly distributed in the inner pot when warming, thereby increasing the thermal insulation performance.
도 1은 본 발명의 바람직한 실시예에 따른 전기 가열 조리기를 도시한 사시도.1 is a perspective view showing an electric heating cooker according to a preferred embodiment of the present invention.
도 2는 본 발명의 바람직한 실시예에 따른 전기 가열 조리기의 내솥을 도시한 사시도.Figure 2 is a perspective view showing the inner pot of the electric heating cooker according to a preferred embodiment of the present invention.
도 3은 도 2의 A-A 부분을 절취하여 도시한 단면도.3 is a cross-sectional view taken along the line A-A of FIG.
이하에서는 도면을 참조하여 본 발명의 바람직한 실시예에 대하여 상세히 설명한다.Hereinafter, with reference to the drawings will be described in detail a preferred embodiment of the present invention.
참고적으로 이하에서 설명될 본 발명의 구성들 중 종래기술과 동일한 구성에 대해서는 전술한 종래기술을 참조하기로 하고 별도의 상세한 설명은 생략한다.For reference, with respect to the same configuration as the prior art of the configuration of the present invention to be described below will be referred to the above-mentioned prior art and a detailed description thereof will be omitted.
도 1은 본 발명의 바람직한 실시예에 따른 전기 가열 조리기(10)를 도시한 사시도이고, 도 2는 본 발명의 바람직한 실시예에 따른 전기 가열 조리기(10)의 내솥(300)을 도시한 사시도이고, 도 3은 도 2의 A-A 부분을 절취하여 도시한 단면도이다.1 is a perspective view showing an electric heating cooker 10 according to a preferred embodiment of the present invention, Figure 2 is a perspective view showing the inner pot 300 of the electric heating cooker 10 according to a preferred embodiment of the present invention. 3 is a cross-sectional view taken along the line AA of FIG. 2.
도 1 내지 도 3에 도시된 바와 같이, 본 발명의 바람직한 실시예에 따른 전기 가열 조리기(10)는, 본체(100)와, 본체(100)의 내부에 수납되는 내솥(300), 및 본체(100)의 상면을 개폐하는 뚜껑(200)을 포함하되, 내솥(300)의 측면 중 적어도 일부는 웨이브지게 형성되는 것을 포함한다.1 to 3, the electric heating cooker 10 according to the preferred embodiment of the present invention includes a main body 100, an inner pot 300 accommodated inside the main body 100, and a main body ( Including a lid 200 for opening and closing the upper surface of 100, at least a portion of the side of the inner pot 300 includes a wave formed.
본체(100)는 전기 가열 조리기(10)의 외관 하부를 이루고, 내부에 상부가 개방된 공간이 형성된다. 본체(100)의 상부에는 뚜껑(200)이 설치된다.The main body 100 forms a lower portion of the external appearance of the electric heating cooker 10, and a space in which the upper portion is opened is formed therein. The lid 200 is installed above the main body 100.
뚜껑(200)은 본체(100)에 힌지 결합되어 본체(100)의 개방된 상부를 개폐하는 역할을 한다. 뚜껑(200)은 전기 가열 조리기(10)의 외관 상부를 이룬다. Lid 200 is hinged to the main body 100 serves to open and close the open upper portion of the main body 100. Lid 200 forms the upper portion of the electric heating cooker 10.
본체(100)의 내부에 형성된 공간에는 내솥(300) 수납된다. 내솥(300)은 조리물(예를 들면, 대표적으로 쌀 등)이 수용되는 용기이다. 내솥(300)은 내솥(300)의 하부에 위치하도록 본체(100) 내부에 설치되는 하부히터(미도시), 내솥(300)의 측면 일부를 둘러싸게 위치하도록 본체(100) 내부에 설치되는 사이드히터(미도시) 및 내솥(300)의 상부에 위치하도록 뚜껑(200)의 하부에 설치되는 상부히터(미도시)에 의해 가열될 수 있다. 하부히터(미도시)는 유도가열히터인 것이 바람직하고, 사이드히터(미도시)는 면상발열히터인 것이 바람직하다. 내솥(300)은 각각의 히터들에 의해 가열되어 내부의 조리물이 조리되거나, 조리된 조리물을 보온상태로 보관할 수 있다. The inner pot 300 is accommodated in the space formed inside the main body 100. The inner pot 300 is a container in which food (for example, rice, etc.) is accommodated. The inner pot 300 has a lower heater (not shown) installed inside the main body 100 so as to be positioned below the inner pot 300, and a side installed inside the main body 100 so as to surround a part of the side surface of the inner pot 300. It may be heated by an upper heater (not shown) installed in the lower portion of the lid 200 to be positioned above the heater (not shown) and the inner pot (300). The lower heater (not shown) is preferably an induction heating heater, and the side heater (not shown) is preferably a planar heating heater. The inner pot 300 may be heated by respective heaters to cook food therein, or to keep the cooked food in a warm state.
내솥(300)은 측면 중 적어도 일부가 웨이브지게 형성되어 웨이브부(310)를 이룬다. 또한, 내솥(300)은 하면도 웨이브지게 형성되어 웨이브부(310)를 이룬다. 웨이브부(310)는 내솥(300)의 하면에서 측면 중앙부근까지에 걸쳐 형성되는 것이 바람직하며, 내솥(300)의 내면과 외면에 각각에 형성되어 있다. 웨이브부(310)는 내솥(300)의 외면과 내면에 올록볼록하게 형성된다. 웨이브부(310)는 각각의 히터들, 특히, 하부히터(미도시)와 사이드히터(미도시)에 의해 가해지는 열이 보다 많이 내솥(300) 내부에 전해지도록 내솥(300)의 열전달면적을 증가시키는 역할을 하는 동시에, 웨이브부(310)가 형성된 내솥(300)의 표면 부근에서 다소 온도차를 발생시켜 내솥(300) 내부의 유체 대류현상을 촉진시킨다. 이에 따라, 조리물의 조리시간을 단축시켜주며, 열대류로 인한 내솥(300) 내부 표면과 내솥 내부의 중앙 부근의 온도차가 줄어들게 되므로 조리물에 대한 균일한 가열이 가능해져 내솥(300) 내부의 조리물이 골고루 잘 익게 된다. 이와 더불어, 조리가 끝난 조리물을 보온상태로 보관할 경우 특히, 사이드히터(미도시)에 의한 열이 내솥(300) 측면 일부에 형성된 웨이브부(310)를 통해 내솥(300) 내에 보다 골고루 분포되게 할 수 있으므로 보온 성능을 높일 수 있다. Inner pot 300 is at least a portion of the side is formed to form a wave 310. In addition, the inner pot 300 is formed to be waved on the lower surface to form a wave 310. The wave portion 310 is preferably formed from the lower surface of the inner pot 300 to the vicinity of the central side, is formed on each of the inner and outer surfaces of the inner pot (300). Wave portion 310 is formed convexly on the outer surface and the inner surface of the inner pot (300). The wave part 310 may provide a heat transfer area of the inner pot 300 so that the heat applied by the heaters, in particular, the lower heater (not shown) and the side heater (not shown) is transmitted to the inner pot 300 more. At the same time, the temperature difference is generated in the vicinity of the surface of the inner pot 300 in which the wave part 310 is formed, thereby facilitating convection in the inner pot 300. Accordingly, the cooking time of the food is shortened, and the temperature difference between the inner surface of the inner pot 300 and the inner portion of the inner pot due to tropical flow is reduced, so that uniform heating of the food is possible, and the cooking inside the inner pot 300 is cooked. The water cooks evenly. In addition, when the cooked food is kept in a warm state, in particular, the heat caused by the side heater (not shown) is more evenly distributed in the inner pot 300 through the wave portion 310 formed on the inner part of the inner pot 300. As it can, thermal insulation performance can be improved.
내솥(300)의 상단에는 걸림부(320)가 형성된다. 걸림부(320)는 내솥(300) 상단 둘레를 따라 일정간격으로 복수 개가 반경방향 외측으로 형성되어 있으며, 본 발명에서는 여섯 개의 걸림부(320)가 형성되어 있다. 걸림부(320)는 뚜껑(200)에 장착된 잠금링(미도시)의 회동에 따라 잠금링(미도시)과 결합 또는 분리되어 내솥(300)을 밀폐(잠금상태)시키거나 밀폐해제(잠금해제상태) 시킬 수 있게 한다.A catching part 320 is formed at an upper end of the inner pot 300. The engaging portion 320 is formed in a plurality of radially outward at a predetermined interval along the upper circumference of the inner pot 300, in the present invention, six engaging portions 320 are formed. The locking part 320 is coupled or separated with the locking ring (not shown) according to the rotation of the locking ring (not shown) mounted on the lid 200 to seal (lock the state) or release the seal (locking) the inner pot 300. Release).
내솥(300)의 외주면에는 손잡이(330)가 형성된다. 손잡이(330)는 걸림부(320)의 하부에 형성되며, 좌우 대칭되는 위치에 각각 하나씩 형성된다. 손잡이(330)는 내솥(300)을 본체(100)에서 분리하거나 내솥(300)을 본체(100)에 수납시킬 때 사용자가 손으로 잡고 용이하게 내솥(300)을 본체(100)에 착탈할 수 있게 한다. A handle 330 is formed on the outer circumferential surface of the inner pot 300. The handle 330 is formed on the lower portion of the locking portion 320, one each formed in the position symmetrical. The handle 330 detaches the inner pot 300 from the main body 100 or when the inner pot 300 is accommodated in the main body 100, the user can easily attach and detach the inner pot 300 to the main body 100. To be.
상술한 바와 같이, 본 발명의 바람직한 실시예를 참조하여 설명하였지만, 해당기술분야의 당업자는 특허청구범위에 기재된 본 발명의 사상 및 영역으로부터 벗어나지 않는 범위 내에서 본 발명을 다양하게 수정 또는 변형하여 실시할 수 있다.As described above, although described with reference to a preferred embodiment of the present invention, those skilled in the art will be practiced by variously modifying or modifying the present invention without departing from the spirit and scope of the invention described in the claims. can do.
[부호의 설명][Description of the code]
10 : 전기 가열 조리기 100 : 본체10: electric heating cooker 100: main body
200 : 뚜껑 300 : 내솥200: lid 300: inner pot
310 : 웨이브부 320 : 걸림부310: wave portion 320: locking portion
330 : 손잡이330 handle

Claims (2)

  1. 본체;main body;
    상기 본체의 내부에 수납되는 내솥; 및 An inner pot housed inside the main body; And
    상기 본체의 상면을 개폐하는 뚜껑;을 포함하되, Including; lid to open and close the upper surface of the main body,
    상기 내솥의 측면 중 적어도 일부는 웨이브지게 형성되는 것을 특징으로 하는 전기 가열 조리기.At least some of the sides of the inner pot is formed electric wave cooker, characterized in that the wave.
  2. 제1항에 있어서, The method of claim 1,
    상기 내솥의 하면은 웨이브지게 형성되는 것을 특징으로 하는 전기 가열 조리기.The bottom of the inner pot is an electric heating cooker, characterized in that the wave form.
PCT/KR2016/002225 2015-12-15 2016-03-07 Electrically-heated cooker WO2017104898A1 (en)

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KR10-2015-0179290 2015-12-15

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