KR0132744Y1 - Heating element of electric rice cooker - Google Patents
Heating element of electric rice cooker Download PDFInfo
- Publication number
- KR0132744Y1 KR0132744Y1 KR2019950038004U KR19950038004U KR0132744Y1 KR 0132744 Y1 KR0132744 Y1 KR 0132744Y1 KR 2019950038004 U KR2019950038004 U KR 2019950038004U KR 19950038004 U KR19950038004 U KR 19950038004U KR 0132744 Y1 KR0132744 Y1 KR 0132744Y1
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- Prior art keywords
- heating plate
- inner pot
- coupling
- rice cooker
- heating
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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
- A47J27/004—Cooking-vessels with integral electrical heating means
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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
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S220/00—Receptacles
- Y10S220/912—Cookware, i.e. pots and pans
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
본 고안은 전기밥솥에서 히터에 의해 가열되는 전열판과 취사용기와의 밀착성이 개선되도록 한 전기보온밥솥의 가열체에 관한 것으로 종래에는 가열판이 평면형태이거나 사발모양을 갖도록 외경을 상부로 소정길이 연장한 연장부를 형성한 것이 제안되었으나 실제 사용할 때 가열판이 가열되는 경우 열팽창에 의하여 변형이 되어 내솥과의 접촉성이 좋지 않게 되어 열효율을 저하시키는 요인이 되었다.The present invention relates to a heating element of the electric insulation rice cooker to improve the adhesion between the heating plate and the cooker is heated by the heater in the electric rice cooker, conventionally extending the outer diameter to a predetermined length to the top so that the heating plate has a flat shape or bowl shape. It is proposed that the part is formed, but when the heating plate is heated in actual use, it is deformed by thermal expansion, resulting in poor contact efficiency with the inner pot, which causes a decrease in thermal efficiency.
본 고안에서는 히터에 의해 가열되는 가열판과 내솥과의 열전달이 매우 양호하도록 하기 위하여 내부에 음식물을 담기는 내솥의 바닥면 및 측면하부면과 밀착되도록 둘레에 상측으로 연장부가 형성된 사발형상으로서 접촉면을 확대하여 열저도율을 향상하도록 한 가열판으로 구성된 전기보온밥솥에 있어서, 상기 내솥과 밀착되어 열전도하도록 하는 가열판 둘레의 연장부 상측단에 별도의 분리 구성된 연결부를 설치하되 열팽창에 의한 변형을 수용하도록 완충기능을 갖는 결합부재에 의해 지지결합되도록 함을 특징으로 하는 것임.In the present invention, the contact surface is enlarged as a bowl shape having an extension portion formed on the upper side so as to be in close contact with the bottom surface and the lower side surface of the inner pot containing food therein, so that the heat transfer between the heating plate heated by the heater and the inner pot is very good. In the electric thermal rice cooker consisting of a heating plate to improve the thermal conductivity, by installing a separate separate connection to the upper end of the extension portion around the heating plate to be in close contact with the inner pot to conduct heat buffer function to accommodate deformation due to thermal expansion It is characterized in that to be supported by the coupling member having a.
Description
제1도는 본 고안의 가열판구조를 보인 도면으로서, (a)는 상측 연결부가 결합된 상태이고, (b)는 상기 결합부의 확대도.1 is a view showing a heating plate structure of the present invention, (a) is a state in which the upper connection is coupled, (b) is an enlarged view of the coupling portion.
제2도는 본 고안의 분리상태 부분단면도임.2 is a partial cross-sectional view of the separated state of the present invention.
제3도는 본 고안의 사용상태 단면도.3 is a cross-sectional view of the use state of the present invention.
제4도는 종래의 가열판구조에 의한 사용상태 단면도.4 is a cross-sectional view of a state of use of the conventional heating plate structure.
제5도는 종래의 다른 가열판 구조를 보인 단면도.5 is a cross-sectional view showing another conventional heating plate structure.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1,10 : 히터 2.20 : 가열판1,10: heater 2.20: heating plate
3,30 : 내솥 21 : 연장부3,30: inner pot 21: extension part
100 : 가열판 110 : 연장부100: heating plate 110: extension part
111 : 요철부A 120 : 히터111: uneven portion A 120: heater
130 : 내솥 140 : 연결부130: inner pot 140: connection portion
141 : 요철부 B 150 : 결합판141: uneven portion B 150: bonding plate
160 : 결합테 161 : 플랜지160: joining frame 161: flange
170 : 결합볼트 171 : 너트170: coupling bolt 171: nut
180 : 완충스프링180: buffer spring
본 고안은 전기밥솥에 관한 것으로 특히 히터에 의해 가열된 가열판과 취사용기와의 열전도를 향상하여 열효율을 높일 수 있도록 한 전기보온밥솥의 가열체에 관한 것이다.The present invention relates to an electric rice cooker, and more particularly to a heating element of the electric heat cooker to improve the thermal efficiency by improving the thermal conductivity of the heating plate and the cooker heated by the heater.
전기보온밥솥은 전기에 의한 저항발열을 열원으로 하여 음식물 특히 밥을 취사하는 것으로서 사용이 간편하고 장시간 음식을 따뜻하게 보존하는 것으로 일반 가정에서 널리 사용되고 있는 취사도구이다.Electric heat cooker is a cooking utensil that is widely used in general households to cook foods, especially rice by using resistance heat generated by electricity as a heat source, and to keep food warm for a long time.
이와 같은 전기보온밥솥은 제4도에 도시된 바와 같이 전기를 에너지로 하여 저항발열하는 히터(1)와 상기 히터(1)에 의해 가열되는 가열판(2)과 상기 가열판(2)에 접촉되어 열전도에 의해 전달된 열로 담겨진 음식물을 조리하는 내솥(3)으로 구성되어 있다.As shown in FIG. 4, the electric thermal rice cooker is in contact with the heater 1 for generating resistance heat using electricity as energy, the heating plate 2 heated by the heater 1, and the heating plate 2 to heat conduction. It consists of an inner pot (3) for cooking food contained in the heat transferred by.
상기 종래의 가열판(2)은 평평한 모양으로 구성된 것으로 내솥(3)의 바닥면 만을 가열하도록 한 구조로서 종래의 전기보온밥솥은 음식물이 담겨지는 내솥(3)의 바닥면만이 상기 가열판(2)에 국부적으로 접촉하여 가열되는 방식으로 조리가 된다.The conventional heating plate (2) has a flat shape and is configured to heat only the bottom surface of the inner pot (3). In the conventional electric rice cooker, only the bottom surface of the inner pot (3) in which food is contained is provided on the heating plate (2). Cooking is done in a locally contacted and heated manner.
상기 가열판(2)과 내솥(3)과의 사이에는 최대로 넓은 면적이 밀착 접촉된 상태로 유지되어야만 열전도가 양호하여 열효율이 좋게 되므로 가열판(2)과 내솥(3)과의 밀착 접촉정도와 접촉면적의 확대는 제품의 성능을 좌우하는 중요한 요소이다.The contact between the heating plate (2) and the inner pot (3) is in close contact with the heating plate (2) and the inner pot (3) because only a large area must be maintained in close contact between the heating plate (2) and the inner pot (3). Expanding the area is an important factor in determining the performance of the product.
이와 같은 종래의 내솥은 바닥면만의 국부적인 가열에 의하여 안에 담겨진 조리물(쌀)에 열이 골고루 전달되지 않기 때문에 조리시간이 많이 걸리게 된다.Such a conventional inner pot takes a lot of cooking time because heat is not evenly transferred to the food (rice) contained therein by local heating only on the bottom surface.
이와 같이 조리시간이 길어지게 되는 원인은 히터(1)의 발열량에 비해 가열판(2)에 의한 내솥(3)으로의 열전도가 불량하여 열전달 효울이 떨어지는데 기인한 것이다.The reason for the longer cooking time is due to poor heat transfer to the inner pot 3 by the heating plate 2 compared to the amount of heat generated by the heater 1, resulting in poor heat transfer efficiency.
이와 같은 문제점을 개선하기 위하여 본 출원인은 선출원인 실용신안 등록출원 제95 - 17740호를 통하여 열전달이 양호하게 이루어 질 수 있도록 한 발열체의 구조를 제안한 바 있다.In order to improve such a problem, the present applicant has proposed a structure of a heating element through which good heat transfer can be made through Utility Model Registration Application No. 95-17740, which is a prior application.
즉 상기 선출원의 특징은 제5도에 도시된 바와 같이 히터(11)와 상기 히터(11)에 의해 가열되는 가열판(12)과 상기 가열판(12)을 통해 전달받아 내부에 음식물이 담겨진 내솥(13)를 간접가열하도록 하는 전기밥솥에서 상기 가열판(12)이 사발모양을 갖도록 외경을 상부로 소정길이 연장한 연장부(14)를 형성하였다.That is, the characteristics of the first application is the inner pot 13 in which food is contained therein, as received through the heating plate 12 and the heating plate 12 heated by the heater 11 and the heater 11 as shown in FIG. In the electric rice cooker to indirectly heat the) was formed an extension 14 extending the predetermined length to the upper diameter so that the heating plate 12 has a bowl shape.
따라서 상기 가열판(12)의 연장부(14)에 의하여 내솥(13)의 바닥면 및 측면부가 직접적으로 접촉하여 가열되게 되므로 열전달이 양호하게 된다.Therefore, the bottom and side portions of the inner pot 13 are directly contacted and heated by the extension part 14 of the heating plate 12, so that the heat transfer is good.
그러나 상기 선출원의 경우 실제 사용할 때 가열판(12)이 가열되는 경우 열팽창에 의하여 변형이 되어 내솥(13)과의 접촉성이 좋지 않게 되어 열효율을 저하시키는 요인이 되었다.However, in the case of the above-described application, when the heating plate 12 is heated in actual use, the heating plate 12 is deformed due to thermal expansion, and the contact with the inner pot 13 is not good, resulting in a lowering of the thermal efficiency.
즉 제5도의 (b)와 같이 히터(11)가 내장된 가열판이 열팽창에 의하여 늘어나는 경우 내솥(13)을 둘러싼 연장부(14) 부분이 벌어지면 틈(A)이 형성되어 열전도를 떨어뜨리게 되는 것이다.That is, when the heating plate in which the heater 11 is built in as shown in (b) of FIG. 5 is extended by thermal expansion, when a portion of the extension part 14 surrounding the inner pot 13 is opened, a gap A is formed to lower the thermal conductivity. will be.
왜냐하면 물이나 음식물이 담긴 내솥과 히터에 의해 직접가열되는 가열판의 상승온도가 다르기 때문에 팽창율도 커다란 차이가 있게 된다.Because the rise temperature of the heating plate which is directly heated by the inner pot containing water or food and the heater is different, there is a big difference in expansion rate.
따라서 이때 형성되는 틈(A)의 이격상태에 의하여 열효율을 저하시키는 요인이 되는 것이다.Therefore, the thermal efficiency is reduced by the spaced state of the gap A formed at this time.
이와 같은 선출원의 미비점을 개선하기 위하여 안출된 본 고안에서는 히터에 의해 가열되는 가열판과 내솥와의 열전달이 매우 양호하도록한 전기보온밥솥의 가열체를 제공하는데 그 목적이 있다.The present invention devised to improve the drawback of such a prior application has an object to provide a heating body of the electric heat cooker so that the heat transfer between the heating plate and the inner pot is heated by the heater is very good.
상기의 목적을 달성하기 위하여 본 고안에서는 내부에 음식물을 담기는 내솥의 바닥면 및 측면하부면과 밀착될 수 있도록 둘레에 상측으로 연장부가 형성된 사발형상으로서 접촉면을 확대하여 열전도율을 향상하도록 한 가열판으로 구성된 전기보온밥솥의 상기 내솥과 밀착되어 열전도하도록 하는 가열판 연장부의 상단에는 별도의 연결부를 제작하여 부가적으로 설치하여 열팽창에 의한 이격됨을 방지하므로서 열전도가 양호하도록 하며, 상기 연결부의 결합이 용이하도록 각각 요철결합부을 형성하고 동시에 이를 지지할 수 있는 결합테와 결합나사 및 완충스프링으로 된 결합부재를 구비함을 특징으로 하는 것이다.In order to achieve the above object, the present invention is a bowl having an extension portion formed on the upper side so as to be in close contact with the bottom surface and the lower side surface of the inner pot containing food therein, and the heating plate to enlarge the contact surface to improve thermal conductivity. At the upper end of the heating plate extension portion that is in close contact with the inner pot of the configured electric rice cooker to make the heat conduction, by making a separate connection to additionally installed to prevent the separation by thermal expansion, so that the thermal conductivity is good, respectively, to facilitate the connection of the connection portion Forming a concave-convex coupling portion and at the same time characterized in that it comprises a coupling member made of a coupling frame and a coupling screw and a buffer spring.
이하 첨부된 도면에 의거하여 본 고안을 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
제1도의 (a)는 본 고안 가열판(100)의 구성상태로 상기 가열판(100)과 별도로 제작된 연결부(140)가 결합된 상태를 보여주는 부분단면도이고, (b)는 결합부의 부분확대도이며, 제2도는 본 고안의 사용상태를 보여주는 단면도이다.Figure 1 (a) is a partial cross-sectional view showing a state in which the connection portion 140 manufactured separately from the heating plate 100 in the configuration state of the present invention heating plate 100, (b) is a partial enlarged view of the coupling portion 2 is a cross-sectional view showing a state of use of the present invention.
본 고안은 전원에 의한 저항발열로 음식물을 조리하도록 하는 취사기구로서 내부에 음식물을 담도록 하며 본체와 분리가능하도록 구성된 내솥(130)과; 상기 내솥(130)의 바닥 및 측면하부와 밀착되어 열전도율을 향상하도록 둘레에 상측으로 연장부(110)가 형성된 사발형상으로서 내부에 히터(120)가 내장 설치된 가열판(100)으로 구성된다.The present invention is a cooking appliance for cooking food by the resistance heat generated by the power source to contain food in the inner pot 130 and configured to be separated from the main body; The inner plate 130 is in close contact with the bottom and side lower portion of the bowl to form an extension portion 110 is formed on the upper side so as to improve the thermal conductivity is composed of a heating plate 100 installed therein.
상기 내솥(130)과 밀착되어 열을 전도하며 둘레 연장부(110)의 상단주 연부에는 결합이 용이하도록 요철결합부A(111)가 형성된 가열판(100)과; 상기 연장부(110)의 요철결합부A(111)에 일치되어 결합이 용이하도록 하부에 요철결합부B(141)가 형성된 링형상으로 된 연결부(140)와; 상기 연결부(140)를 고정하기 위한 결합부재로 구성된다.A heating plate 100 in close contact with the inner pot 130 and conducting heat, and having a concave-convex coupling portion A 111 formed at an upper circumferential edge of the circumferential extension portion 110 to facilitate coupling; A connecting portion 140 having a ring shape in which a concave-convex coupling portion B 141 is formed at the lower portion thereof so as to coincide with the concave-convex coupling portion A 111 of the extension portion 110; It is composed of a coupling member for fixing the connection portion 140.
상기 결합부재는 연결부(140)의 둘레에 끼워 결합되며 플랜지(161)가 형성된 결합테(160)와; 상기 결합테(160)의 플렌지(161)와 하단의 결합판(150) 사이를 상호 연결하는 결합볼트(170)와 너트(171) 및 완충기능을 갖도록 이에 끼어지는 완충스프링(180)으로 구성된다.The coupling member is coupled to the circumference of the connecting portion 140 and coupled to the coupling frame 160, the flange 161 is formed; It is composed of a coupling bolt 170 and a nut 171 and a buffer spring (180) sandwiched therein so as to have a cushioning function, interconnecting between the flange 161 of the coupling frame 160 and the coupling plate 150 at the bottom. .
이와 같은 구성으로된 본 고안의 작용 및 효과를 살펴본다.It looks at the operation and effects of the present invention made in such a configuration.
본 고안의 사용상태를 살펴보면 내부에 장착 설치된 히터(120)에 의해 가열판(100)이 가열되면서 점점 온도가 상승하게 된다.Looking at the state of use of the present invention as the heating plate 100 is heated by the heater 120 installed therein is gradually increased in temperature.
따라서 내솥(130)에는 물을 포함한 음식물이 담긴 상태에서 상기 가열판(100)에 밀착접촉된 상태에서 열이 전도되어 조리가 이루어진다.Therefore, the inner pot 130 is cooked by conducting heat in a state of being in close contact with the heating plate 100 in a state containing food containing water.
이때 가열판(100)과 내솥(130)의 상승온도는 커다란 차이가 있게 된다.At this time, the rising temperature of the heating plate 100 and the inner pot 130 is a big difference.
따라서 상호 열팽창정도가 다르게 되므로 가열판(100)의 연장부(110)와 내솥(130)의 외측면 사이에 틈이 생기는 이격현상이 발생할 수 있으나 본 고안은 가열판(100)의 연장부(110)의 상측에 상호 분리 형성된 연결부(140)가 별도로 부가적으로 설치되어 열팽창에 의한 이격현상을 방지하도록 하는 것이다.Therefore, since the mutual thermal expansion degree is different, a gap may occur between the extension part 110 of the heating plate 100 and the outer surface of the inner pot 130, but the present invention may provide the separation of the extension part 110 of the heating plate 100. The connecting portions 140 formed on top of each other are separately installed to prevent the separation phenomenon due to thermal expansion.
즉 히터(120)에 의해 고온으로 가열되는 가열판(100)의 열은 자체전도에 의해 연장부(110)로 열전달되며, 이에 접촉된 연결부(140)에도 열이 전도된다.That is, heat of the heating plate 100 heated to a high temperature by the heater 120 is heat transferred to the extension part 110 by self conduction, and heat is also conducted to the connection part 140 in contact with it.
이때 가열판(100)은 열팽창이 있게 되어 내솥(130)과의 팽창을 차이에 의한 이격이 발생될 우려가 있으나 상측에 부가적으로 설치접촉된 연결부(140)은 상기 가열판의 연장부(110)와 상호 분리된 상태이므로 가열판(100)과 일체상태의 과도한 열팽창이 방지되므로 전체적으로 열팽창에 의한 변형을 줄일 수 있게 된다.In this case, the heating plate 100 may be thermally expanded, which may cause separation due to the difference between the expansion of the inner pot 130 and the connection part 140 additionally installed in contact with the upper portion of the heating plate 100. Since they are separated from each other, excessive thermal expansion of the heating plate 100 and the integrated state is prevented, thereby reducing deformation due to thermal expansion as a whole.
상기 연결부(140)를 지지하는 결합부재는 결합판(150)의 하측으로 완충스프링(180)이 끼워진 상태이므로 열팽창에 의한 변형을 스프링의 탄성변형에 의해 상쇄되도록 하므로서 파손을 방지하며, 항상 견고한 밀착상태를 유지하도록 하여 열전도율을 높이도록 한 것이다.The coupling member for supporting the connection portion 140 is a state in which the shock absorbing spring 180 is inserted into the lower side of the coupling plate 150, thereby preventing the deformation due to thermal expansion by the elastic deformation of the spring to prevent breakage, and always close tight It is to maintain the state to increase the thermal conductivity.
따라서 가열판(100)과 내솥(130)사이에 밀착성이 확보되어 열전도율을 높이게 되므로서 열효율 좋아 더욱 빠른 조리가 가능하게 되며, 아울러 에너지를 절약하게 된다.Therefore, the adhesiveness between the heating plate 100 and the inner pot 130 is secured, thereby increasing the thermal conductivity, so that the cooking efficiency is faster and faster cooking is possible, and energy is also saved.
이상 살펴본 바와 같이 본 고안은 전기보온밥솥의 가열판 구조의 변경을 통하여 열전달을 향상하며, 특히 히터의 열이 조리용 내솥에 골고루 전달되도록 하여 고른 취사작업을 수행하도록 하며 취사 후 보온기능을 향상시킨 것으로 매우 유익한 기술인 것이다.As described above, the present invention improves heat transfer by changing the structure of the heating plate of the electric rice cooker, and in particular, the heat of the heater is evenly transmitted to the cooking inner pot to perform even cooking and improve the heat retaining function after cooking. It is a very informative technique.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019950038004U KR0132744Y1 (en) | 1995-12-04 | 1995-12-04 | Heating element of electric rice cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019950038004U KR0132744Y1 (en) | 1995-12-04 | 1995-12-04 | Heating element of electric rice cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970026870U KR970026870U (en) | 1997-07-24 |
| KR0132744Y1 true KR0132744Y1 (en) | 1998-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019950038004U KR0132744Y1 (en) | 1995-12-04 | 1995-12-04 | Heating element of electric rice cooker |
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| Country | Link |
|---|---|
| KR (1) | KR0132744Y1 (en) |
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1995
- 1995-12-04 KR KR2019950038004U patent/KR0132744Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
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| KR970026870U (en) | 1997-07-24 |
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