KR19990003440A - Microwave door - Google Patents

Microwave door Download PDF

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Publication number
KR19990003440A
KR19990003440A KR1019970027309A KR19970027309A KR19990003440A KR 19990003440 A KR19990003440 A KR 19990003440A KR 1019970027309 A KR1019970027309 A KR 1019970027309A KR 19970027309 A KR19970027309 A KR 19970027309A KR 19990003440 A KR19990003440 A KR 19990003440A
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KR
South Korea
Prior art keywords
door
projection
projection plate
seating surface
microwave oven
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KR1019970027309A
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Korean (ko)
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KR100233436B1 (en
Inventor
이정희
Original Assignee
윤종용
삼성전자 주식회사
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Application filed by 윤종용, 삼성전자 주식회사 filed Critical 윤종용
Priority to KR1019970027309A priority Critical patent/KR100233436B1/en
Publication of KR19990003440A publication Critical patent/KR19990003440A/en
Application granted granted Critical
Publication of KR100233436B1 publication Critical patent/KR100233436B1/en

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/6414Aspects relating to the door of the microwave heating apparatus
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/76Prevention of microwave leakage, e.g. door sealings
    • H05B6/766Microwave radiation screens for windows

Abstract

본 발명은 전자렌지의 도어에 관한 것으로, 그 목적은 투영판의 양단부위가 끼워져 결합되는 도어판넬의 안착면을 개선하여 도어 내부로 공기가 유입되는 것을 방지하는 것이다.The present invention relates to a door of a microwave oven, and an object thereof is to improve a seating surface of a door panel to which both ends of a projection plate are fitted and coupled to prevent air from flowing into the door.

본 발명에 따른 전자렌지의 도어(140)는 투영판(143)의 좌우 양측단부위와 대응하는 도어판넬(141)의 안착면(141b)에 투영판(143)과 밀착되는 돌기(141d)를 상하로 연장되게 구성하였다. 따라서 투영판(143)의 양측단부가 안착면(141b) 좌우 양측에 형성된 체결홈(141c)에 끼워지면서 돌기(141d)의 선단부와 밀착되어 안착면(141b)과의 틈새가 발생되지 않아 도어(140) 내부로 이물질이 유입되는 것이 방지되며, 사용자가 조리실(120)을 잘 볼 수 있는 이점이 있다.The door 140 of the microwave oven according to the present invention has a projection 141d in close contact with the projection plate 143 on the seating surface 141b of the door panel 141 corresponding to the left and right end portions of the projection plate 143. It was configured to extend up and down. Accordingly, both side ends of the projection plate 143 are fitted into the fastening grooves 141c formed on the left and right sides of the mounting surface 141b, and are closely contacted with the front end of the protrusion 141d so that a gap with the mounting surface 141b does not occur. 140, the foreign matter is prevented from entering the inside, there is an advantage that the user can see the cooking chamber 120 well.

Description

전자렌지의 도어Microwave door

본 발명은 전자렌지의 도어에 관한 것으로, 더욱 상세하게는 광투과성 재질의 투영판이 결합되는 도어판넬의 안착면에 관한 것이다.The present invention relates to a door of a microwave oven, and more particularly, to a seating surface of a door panel to which a projection plate of a light transmissive material is coupled.

일반적으로 전자렌지는 마그네트론에서 기본파 2450MHz의 고주파를 조리실 내부로 방사하여 음식물에 함유된 수분의 분자배열을 반복 변환시킴으로써, 분자들간의 마찰열에 의해 음식물이 조리되는 기구이다.In general, a microwave oven is a mechanism in which food is cooked by frictional heat between molecules by radiating a high frequency of 2450 MHz of fundamental waves in a magnetron into a cooking chamber and repeatedly converting a molecular arrangement of moisture contained in the food.

이러한 기능을 하는 전자렌지는 외관을 이루는 하우징에 조리실과 전장품실이 구획되게 형성되며, 전장품실에 고주파를 발진하여 조리실로 방사하는 마그네트론, 고압트랜스 및 냉각팬 등이 설치된다. 하우징의 전면부에는 조리실을 개폐하는 도어가 힌지결합되어 있는데, 이의 구조는 도 1과 2에 도시한 바와 같다.The microwave oven having such a function is formed so that the cooking chamber and the electrical equipment compartment are partitioned in the housing forming the exterior, and a magnetron, a high voltage transformer, a cooling fan, etc., which radiate into the cooking chamber by oscillating high frequency in the electrical equipment compartment are installed. A door for opening and closing the cooking chamber is hinged to the front part of the housing, and its structure is as shown in FIGS. 1 and 2.

도어(10)는 외형 몸체를 이루며 중심부위에 투영공간(11a)이 형성된 사각형상의 도어판넬(11)과 도어판넬(11)의 후면부에 설치되어 고주파가 누설되는 것을 차단하는 스크린(12), 이의 전면부에 투영공간(11a)을 덮도록 결합되는 광투과성 재질의 사각 투영판(13) 등으로 크게 이루어져 있다. 한편, 투영판(13)의 설치를 위해 도어판넬(11)의 전면부에는 사각 형상으로 내곡된 안착면(11b)이 형성되어 있으며, 안착면(11b)의 상단과 하단에 가로방향으로 양면접착테이프(14)가 부착되고 이의 좌우 양측단부에는 도 2에 도시한 바와 같이 체결홈(11c)이 형성되어 있다. 따라서 투영판(13)의 좌우 양측단부를 체결홈(11c)에 각각 끼워 결합하고, 상측과 하측단부를 누르면 양면접착테이프(14)에 부착 견고하게 고정됨으로써, 사용자는 투영판(13)과 투영공간(11a)을 통해 전자렌지의 작동시 조리실(미도시) 내부를 볼 수 있게 된다.The door 10 forms an outer body and is provided with a rectangular door panel 11 and a rear surface of the door panel 11 having a projection space 11a formed on the center of the screen 12 to block leakage of high frequency, and the front thereof. It consists of a rectangular projection plate 13 of a light-transmissive material and the like coupled to cover the projection space (11a) to the portion. On the other hand, for the installation of the projection plate 13, the front surface of the door panel 11 is formed with a mounting surface 11b curved in a rectangular shape, both sides adhesively in the horizontal direction on the top and bottom of the mounting surface (11b) The tape 14 is attached, and fastening grooves 11c are formed at both left and right ends thereof as shown in FIG. Accordingly, the left and right both ends of the projection plate 13 are fitted into the fastening grooves 11c, respectively, and the upper and lower ends are firmly attached to the double-sided adhesive tape 14 by pressing the upper and lower ends, thereby allowing the user to project the projection plate 13 and the projection. Through the space 11a, the inside of the cooking chamber (not shown) can be seen when the microwave oven is operated.

그러나 이러한 전자렌지의 도어(10)는 조리시 발생되는 뜨거운 공기가 도어내부로 유입되는 문제점이 있다. 즉, 투영판(13)의 상 하측단과 안착면(11b)사이에 양면접착테이프(14)가 개재되기 때문에, 도 2에 도시한 바와 같이 체결홈(11c)에 끼워져 결합되는 투영판(13)의 좌우 양측단부위는 안착면(11b)에서 양면접착테이프(14) 두께 만큼 이격되어 틈새(A)가 발생하게 되고, 이 틈새(A)를 통해 이물질, 특히 수분을 함유한 뜨거운 공기가 투영공간(11a)으로 유입되어 조리실 내부가 명확히 보이지 않게 되며, 심한 경우에는 물방울이 맺혀 미관상 지저분하게 된다.However, the door 10 of the microwave oven has a problem that hot air generated during cooking is introduced into the door. That is, since the double-sided adhesive tape 14 is interposed between the upper and lower ends of the projection plate 13 and the seating surface 11b, the projection plate 13 fitted and coupled to the fastening groove 11c as shown in FIG. 2. The left and right both ends of the gap are spaced apart by the thickness of the double-sided adhesive tape 14 from the seating surface 11b, and a gap A is generated through the gap A, where hot air containing foreign matter, in particular moisture, is projected. (11a) is introduced into the cooking chamber is not clearly visible, in severe cases water droplets form aesthetically messy.

본 발명은 이러한 문제점을 해결하기 위한 것으로, 본 발명의 목적은 투영판의 좌우 양측단부위와 대응하는 도어판넬의 안착면에 투영판과 밀착되는 돌기를 상하로 연장되게 구성함으로써, 투영판의 양측단부가 안착면 좌우 양측에 형성된 체결홈에 끼워져면서 돌기의 선단부와 밀착되어 안착면과의 틈새가 발생되지 않는 전자렌지의 도어를 제공하는 것이다.SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and an object of the present invention is to configure projections closely contacting the projection plate to the seating surface of the door panel corresponding to the left and right side end portions of the projection plate so that the projection plate extends up and down. The end is inserted into the fastening grooves formed on both sides of the seating surface while being in close contact with the tip of the projection to provide a door of the microwave oven does not generate a gap with the seating surface.

도 1은 종래 전자렌의 도어를 보인 분해사시도이다.1 is an exploded perspective view showing a door of a conventional microwave oven.

도 2는 도 1의 Ⅱ-Ⅱ선에 따른 단면도로서, 종래 도어판넬에 결합되는 투영판의 체결구조를 보인 것이다.FIG. 2 is a cross-sectional view taken along line II-II of FIG. 1 and shows a fastening structure of a projection plate coupled to a conventional door panel.

도 3은 본 발명이 적용되는 전자렌지의 전체적인 구조를 보인 사시도이다.3 is a perspective view showing the overall structure of a microwave oven to which the present invention is applied.

도 4는 도 3의 Ⅳ-Ⅳ선에 따른 단면도로서, 본 발명에 따른 도어판넬과 투영판의 체결구조를 보인 것이다.4 is a cross-sectional view taken along the line IV-IV of FIG. 3, showing the fastening structure of the door panel and the projection plate according to the present invention.

도 5는 본 발명에 따른 도어판넬의 안착부를 확대하여 보인 발췌사시도이다.5 is an exploded perspective view showing an enlarged seating portion of the door panel according to the present invention.

*도면의 주요부분에 대한 부호 설명** Description of symbols on the main parts of the drawings *

100..하우징 110..조리접시 120..조리실 130..콘트롤판넬100. Housing 110. Cooking plate 120. Cooking room 130. Control panel

140..도어 141..도어판넬 141a..투영공간 141b..안착면140..door 141.door panel 141a.projection space 141b.mounting surface

141c..체결홈 141d..돌기 142..스크린 143..투영판141c..Tightening groove 141d.Protrusion 142.Screen 143.Projection board

144..양면접착테이프144. Double-Sided Adhesive Tape

이러한 목적을 달성하기 위한 본 발명은, 내부에 조리실이 마련된 하우징, 조리실을 개폐하는 도어, 도어의 몸체를 이루며 도어의 폐쇄시 조리실을 볼 수 있도록 중심부위에 투영공간이 형성된 도어판넬, 도어판넬의 전면부에 안착면이 형성되며 안착면에 마련되어 투영공간을 덮는 광투과성 재질의 투영판, 안착면의 양단부에 형성되어 투영판의 양단부가 끼워져 결합되는 체결홈을 갖춘 전자렌지에 있어서, 투영판의 양단부위와 대응하는 안착면에는 투영판의 양단부위와 밀착되도록 돌기가 마련되는 것을 특징으로 한다.The present invention for achieving the above object, the housing provided with a cooking chamber therein, the door to open and close the cooking chamber, the body of the door to form a projection space on the center so that the cooking chamber can be seen when the door is closed, the front of the door panel A microwave oven having a seating surface formed on a part and provided on the seating surface to cover a projection space, and a fastening groove formed at both ends of the seating surface to be fitted with both ends of the projection plate to be coupled to each other. The mounting surface corresponding to the portion is characterized in that the projection is provided to be in close contact with both ends of the projection plate.

이하에서는 본 발명에 따른 하나의 바람직한 실시예를 첨부도면을 참조하여 상세히 설명한다. 도 3은 본 발명이 적용되는 전자렌지의 전체적인 구조를 보인 사시도이고, 도 4는 본 발명에 따른 투영판과 안착면 사이의 체결구조를 보인 단면도이다. 도 5는 본 발명의 특징적 요소인 돌기를 확대하여 보인 발췌사시도이다.Hereinafter, one preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings. Figure 3 is a perspective view showing the overall structure of the microwave oven to which the present invention is applied, Figure 4 is a cross-sectional view showing a fastening structure between the projection plate and the mounting surface according to the present invention. Figure 5 is an exploded perspective view showing an enlarged process of the characteristic elements of the present invention.

전자렌지는 이들에 도시한 바와 같이, 외형 몸체를 이루는 하우징(100) 내부에 일면이 개구된 조리실(120)과 전장품실(미도시)이 구획되게 형성되어 있다. 조리실(120)에는 턴테이블 방식의 조리접시(110)가 설치되며, 전장품실에는 고주파를 발진하여 조리실(120)로 방사하는 마그네트론(미도시), 마그네트론에 고전압을 인가하는 고압트랜스(미도시), 열을 발생하는 전기부품을 냉각하는 냉각팬(미도시) 등이 구성된다. 하우징(100)의 전면부에는 조리실(120)을 개폐하는 도어(140)가 힌지결합되어 있으며, 이의 일측부에는 조리행정을 조작할 수 있도록 다수의 조작버튼(131)이 구성된 콘트롤판넬(130)이 마련된다.As shown in the microwave oven, the cooking chamber 120 and the electrical equipment compartment (not shown) having one surface opened in the housing 100 constituting the outer body are partitioned. The cooking chamber 120 is provided with a turntable type cooking plate 110, and in the electrical equipment room, a magnetron (not shown) that oscillates high frequency and radiates to the cooking chamber 120, a high voltage transformer (not shown) for applying a high voltage to the magnetron, Cooling fan (not shown) etc. which cool the electrical component which generate | occur | produce heat are comprised. A door 140 for opening and closing the cooking chamber 120 is hinged to the front portion of the housing 100, and a control panel 130 having a plurality of operation buttons 131 configured at one side thereof to manipulate a cooking stroke. Is provided.

이 도어(140)는 외형 몸체를 이루며 전자렌지의 작동 중에 조리실(120) 내부를 볼 수 있도록 중심부위에 투영공간(141a)이 형성된 사각형상의 도어판넬(141), 도어판넬(141)의 배면부에 마련되어 고주파가 외부로 누설되는 것을 차단하는 망사형상의 스크린(142) 등으로 크게 이루어져 있다. 그리고 도어(140)의 전면부에는 사각형상을 이루도록 내곡된 안착면(141b)이 마련되어 있으며, 여기에는 투영공간(141a)을 덮도록 광투과성 재질로 이루어진 사각의 투영판(143)이 설치된다. 이를 위해 안착면(141b)의 상하측에 가로방향으로 양면접착테이프(144)가 부착되며, 안착면(141b)의 좌우측에 투영판(143)의 단부가 끼워져 결합되는 체결홈(141c)이 형성되는데, 본 발명의 특징적인 요소로 체결홈(141c)과 인접하며 투영판(143)의 단부위와 접하는 안착면(141b)에는 상하 길이방향으로 돌기(141d)가 형성되어 있다. 이 돌기(141d)의 길이는 투영판(143)의 상하 길이와 동일하다. 따라서 투영판(143)은 좌우 양측단부를 도어판넬(141)의 안착면(141b) 좌우 양측에 형성된 체결홈(141c)에 각각 끼워결합한 후, 이의 상하단을 눌러 양면접착테이프(144)에 부착하게 되면 견고하게 고정된다. 이 때, 투영판(143)의 양측단부위는 본 발명의 특징적인 작용으로 돌기(141d)의 선단과 밀착됨으로써, 투영판(143)과 안착면(141b)사이에는 틈새가 발생되지 않아 투영공간(141a)으로 이물질이 유입되는 것이 방지된다.The door 140 is formed in a rectangular door panel 141 and a rear part of the door panel 141 which form an outer body and have a projection space 141a formed on the center so that the inside of the cooking chamber 120 can be seen during operation of the microwave oven. It is largely composed of a mesh screen 142 or the like for blocking high frequency leakage to the outside. In addition, the front surface of the door 140 is provided with a seating surface 141b curved to form a quadrangular shape, and a rectangular projection plate 143 made of a light transmissive material is installed to cover the projection space 141a. To this end, the double-sided adhesive tape 144 is attached to the upper and lower sides of the seating surface 141b in a horizontal direction, and fastening grooves 141c are formed at the left and right sides of the seating surface 141b so that the ends of the projection plate 143 are fitted. However, as a characteristic element of the present invention, a projection 141d is formed on the seating surface 141b adjacent to the fastening groove 141c and in contact with the end of the projection plate 143 in the vertical direction. The length of this projection 141d is the same as the up and down length of the projection plate 143. Therefore, the projection plate 143 is fitted to both sides of the left and right end portions of the fastening grooves 141c formed on the left and right sides of the seating surface 141b of the door panel 141, and then press the upper and lower ends thereof so as to attach to the double-sided adhesive tape 144. When firmly fixed. At this time, both end portions of the projection plate 143 are in close contact with the tip of the projection 141d by the characteristic function of the present invention, so that a gap does not occur between the projection plate 143 and the seating surface 141b, so that the projection space Foreign matter is prevented from entering into 141a.

이와 같이 구성된 본 발명에 따른 전자렌지는 조리실(120)에 피조리물을 넣고 도어(140)를 닫은 다음 조작버튼(131)을 눌러 작동시키면 조리가 수행되는데, 사용자는 광투과성 재질의 투영판(143)과 투영공간(141a)을 통해 조리상태를 외부에서 볼 수 있다. 한편, 조리중에 수분이 함유된 뜨거운 공기가 발생되는데, 투영판(143)이 앞에서 설명한 바와 같이 안착면(141b)에 틈새없이 밀접하게 부착되어 있기 때문에 뜨거운 공기가 투영공간(141a)으로 유입되는 것이 방지된다.The microwave oven according to the present invention configured as described above is placed in the cooking chamber 120, closes the door 140, and then operates by pressing the operation button 131, and the cooking is performed by the user. The cooking state can be viewed from the outside through the 143 and the projection space 141a. On the other hand, hot air containing moisture is generated during cooking. Since the projection plate 143 is closely attached to the seating surface 141b without any gap as described above, the hot air is introduced into the projection space 141a. Is prevented.

이상에서 상세히 설명한 바와 같이, 본 발명에 따른 전자렌지의 도어는 투영판의 좌우 양측단부위와 대응하는 도어판넬의 안착면에 투영판과 밀착되는 돌기를 상하로 연장되게 구성하였다. 따라서 투영판의 양측단부가 안착면 좌우 양측에 형성된 체결홈에 끼워지면서 돌기의 선단부와 밀착되어 안착면과의 틈새가 발생되지 않아 도어내부로 이물질이 유입되는 것이 방지되며, 사용자가 조리실을 잘 볼 수 있는 이점이 있다.As described in detail above, the door of the microwave oven according to the present invention is configured to extend up and down the projections in close contact with the projection plate on the seating surface of the door panel corresponding to the left and right both ends of the projection plate. Therefore, both ends of the projection plate are inserted into the fastening grooves formed on the left and right sides of the seating surface, and are closely contacted with the tip of the projection, so that no foreign matter is introduced into the door because the gap with the seating surface is not generated. There is an advantage to this.

Claims (1)

내부에 조리실(120)이 마련된 하우징(100), 상기 조리실(120)을 개폐하는 도어(140), 상기 도어(140)의 몸체를 이루며 상기 도어(140)의 폐쇄시 상기 조리실(120)을 볼 수 있도록 중심부위에 투영공간(141a)이 형성된 도어판넬(141), 상기 도어판넬(141)의 전면부에 안착면(141b)이 형성되며 상기 안착면(141b)에 마련되어 상기 투영공간(141a)을 덮는 광투과성 재질의 투영판(143), 상기 안착면(141b)의 양단부에 형성되어 상기 투영판(143)의 양단부가 끼워져 결합되는 체결홈(141c)을 갖춘 전자렌지에 있어서, 상기 투영판(143)의 양단부위와 대응하는 상기 안착면(141b)에는 상기 투영판(143)의 양단부위와 밀착되도록 돌기(141d)가 마련되는 것을 특징으로 하는 전자렌지의 도어.A housing 100 having a cooking chamber 120 provided therein, a door 140 that opens and closes the cooking chamber 120, forms a body of the door 140, and when the door 140 is closed, the cooking chamber 120 is viewed. A door panel 141 having a projection space 141a formed on the center thereof, and a seating surface 141b is formed at a front surface of the door panel 141. The projection space 141a is provided on the seating surface 141b. In the microwave oven having a projection plate 143 made of a transparent light covering material, a fastening groove (141c) formed at both ends of the seating surface 141b and fitted at both ends of the projection plate 143 to be engaged. Doors of a microwave oven, characterized in that the projection (141d) is provided on the mounting surface (141b) corresponding to both ends of the 143 so as to be in close contact with both ends of the projection plate (143).
KR1019970027309A 1997-06-25 1997-06-25 Apparatus for preventing moisture intrusion to the door of a microwave oven KR100233436B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100379910B1 (en) * 2000-04-07 2003-04-11 호세엔지니어링 주식회사 Fermented animal feed
KR100437423B1 (en) * 1996-12-27 2004-09-04 주식회사 엘지이아이 Door assembly of microwave oven related to supporting structure of door glass to directly support door glass between door panel and doorframe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970002480U (en) * 1995-06-09 1997-01-24 Viewing structure of microwave oven

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100437423B1 (en) * 1996-12-27 2004-09-04 주식회사 엘지이아이 Door assembly of microwave oven related to supporting structure of door glass to directly support door glass between door panel and doorframe
KR100379910B1 (en) * 2000-04-07 2003-04-11 호세엔지니어링 주식회사 Fermented animal feed

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