KR950011980A - Flap opening and closing device of intake duct for microwave - Google Patents

Flap opening and closing device of intake duct for microwave Download PDF

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Publication number
KR950011980A
KR950011980A KR1019930022836A KR930022836A KR950011980A KR 950011980 A KR950011980 A KR 950011980A KR 1019930022836 A KR1019930022836 A KR 1019930022836A KR 930022836 A KR930022836 A KR 930022836A KR 950011980 A KR950011980 A KR 950011980A
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KR
South Korea
Prior art keywords
flap
intake duct
opening
flap opening
closing
Prior art date
Application number
KR1019930022836A
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Korean (ko)
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KR950013658B1 (en
Inventor
민상기
Original Assignee
배순훈
대우전자 주식회사
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Priority to KR1019930022836A priority Critical patent/KR950013658B1/en
Publication of KR950011980A publication Critical patent/KR950011980A/en
Application granted granted Critical
Publication of KR950013658B1 publication Critical patent/KR950013658B1/en

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/642—Cooling of the microwave components and related air circulation systems
    • H05B6/6423—Cooling of the microwave components and related air circulation systems wherein the microwave oven air circulation system is also used as air extracting hood

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Ovens (AREA)

Abstract

본 발명은 전자렌지용 흡기덕트의 플랩(Flap)개폐장치에 관한 것으로, 전자렌지용 흡기덕트에서 출구쪽에 설치된 플랩의 수직하방 위치에 해당되는 외측 공간부에 설치되는 구동모터와 상기 구동모터의 모터축에 끼워져 회동되는 피니언으로 이루어지는 구동수단과, 상기 구동수단을 구성하는 피니언과 맞물린 상태에서 상하 직선운동하면서 플랩을 개폐시키는 플랙개폐수단과, 상기 플랩개폐수단의 이동거리 상한점과 하한점에 각각 설치되고, 상기 구동모터와 전기적으로 연결되어 플랩개폐수단과의 접촉에 의하여 "ON" 또는 "OFF"되면서 상기 구동모터의 구동을 제어하는 구동모터제어수단으로 이루어지는 플랩개폐장치를 제공하므로써 전자렌지용 흡기덕트에서 플랩의 개폐동작이 아무런 소음발생없이 간단히 이루어질 수 있도록 하고, 플랩이 개방된 상태를 유지하더라도 전류가 인가되지 않도록 하여 전력손실을 방지할 수 있도록 한 것이다.The present invention relates to a flap opening and closing device of the intake duct for a microwave oven, the drive motor and the motor of the drive motor is installed in the outer space corresponding to the vertically downward position of the flap provided on the outlet side in the microwave intake duct A driving means comprising a pinion fitted to the shaft and pivoting, a flap opening and closing means for opening and closing the flap while linearly moving up and down while being engaged with the pinion constituting the drive means, and an upper and lower limit of the movement distance of the flap opening and closing means, respectively. It is installed, and electrically connected to the drive motor for the microwave by providing a flap opening and closing device consisting of a drive motor control means for controlling the drive of the drive motor while being "ON" or "OFF" by contact with the flap opening and closing means The opening and closing operation of the flap in the intake duct can be made easily without any noise, and the flap is opened. Even if maintaining the state is a manner that reduces the power loss by preventing the current applied.

Description

전자렌지용 흡기덕트의 플랩개폐장치Flap opening and closing device of intake duct for microwave

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1 도는 종래 전자렌지용 흡기덕트의 사시도.1 is a perspective view of an intake duct for a conventional microwave oven.

제 2 도는 종래 전자렌지용 흡기덕트의 플랩(Flap)의 개폐동작을 나타내는 단면도.2 is a cross-sectional view showing the opening and closing operation of a flap of a conventional intake duct for a microwave oven.

제 3 도는 본 발명에 따른 전자렌지용 흡기덕트의 플랩개폐장치의 설치상태 단면도로서,3 is a cross-sectional view of the installation state of the flap opening and closing device of the intake duct for a microwave oven according to the present invention,

(a)는 플랩이 닫혀진 상태의 단면도.(a) is sectional drawing with the flap closed.

(b)는 플랩이 개방된 상태의 단면도.(b) is sectional drawing with a flap open.

제 4 도는 본 발명에 따른 전자렌지용 흡기덕트의 플랩개폐장치에서의 구동모터 제어회로도로서,4 is a drive motor control circuit diagram of the flap opening and closing apparatus of the intake duct for a microwave oven according to the present invention.

(a)는 플랩이 닫혀진 상태를 나타내는 회로도.(a) is a circuit diagram which shows the state in which a flap was closed.

(b)는 플랩이 개방되는 동작중인 상태를 나타내는 회로도.(b) is a circuit diagram which shows the operating state in which a flap is opened.

(c)는 플랩이 완전히 개방된 상태를 나타내는 회로도.(c) is a circuit diagram which shows the state in which a flap was fully open.

(d)는 플랩이 닫혀지는 동작중인 상태를 나타내는 회로도이다.(d) is a circuit diagram which shows the operating state in which a flap is closed.

Claims (4)

전자렌지용 흡기덕트(30)에서 그 출구쪽에 설치된 플랩(32)의 수직하방위치에 해당하는 외측공간부에 설치된 구동모터(34)와, 그 구동모터(34)의 모터축(36)에 결합되어 회동하는 피니언(38)으로 이루어지는 구동수단(40)과, 상기 구동수단(40)을 구성하는 피니언(38)과 맞물린 상태에서 상단이 플랩(32)의 뒤쪽면에 결합되고 내부에 가이드봉(42)이 끼워져 상기 피니언(38)의 회동에 따라 상하 직선운동하면서 플랩(32)을 개폐시켜주는 플랩개폐수단(44)과, 상기 플랩개폐수단(44)의 이동거리 상한점과 하한점에 해당하는 흡기덕트(30) 외측벽에 각각 설치되고, 상기 구동모터(34)와 전기적으로 연결되어 플랩개폐수단(44)과의 접촉에 의하여 "ON" 또는 "OFF"되면서 상기 구동모터(34)의 구동을 제어하는 구동모터제어수단(46)으로 이루어진 것을 특징으로 하는 전자렌지용 흡기덕트의 플랩개폐장치.Coupled to the drive motor 34 provided in the outer space corresponding to the vertically downward position of the flap 32 provided on the outlet side of the microwave intake duct 30, and the motor shaft 36 of the drive motor 34 The upper end is coupled to the rear surface of the flap 32 in a state in which it is engaged with the driving means 40 including the pinion 38 which rotates and the pinion 38 constituting the driving means 40, 42 is fitted to the flap opening and closing means 44 for opening and closing the flap 32 while moving up and down linearly in accordance with the rotation of the pinion 38, and the upper and lower limit of the moving distance of the flap opening and closing means 44 Respectively installed on the outer wall of the intake duct 30 and electrically connected to the driving motor 34 to drive the driving motor 34 while being "ON" or "OFF" by contact with the flap opening and closing means 44. For a microwave oven, characterized in that consisting of a drive motor control means 46 for controlling the Flap opening and closing device of the ducts. 제 1 항에 있어서, 상기 플랩(32)은 그 뒷면 중앙부에 플랩개폐수단(44)과의 결합을 위한 결합편(48)을 수직방향으로 일체로 형성하고, 상기 결합편(48)의 일측면으로부터는 결합돌기(50)를 돌설하여 된 것을 특징으로 하는 전자렌지용 흡기덕트의 플랩개폐장치.According to claim 1, wherein the flap (32) is formed integrally in the vertical direction with the coupling piece 48 for engagement with the flap opening and closing means 44 in the center of the back, one side of the coupling piece 48 The flap opening and closing device of the intake duct for a microwave oven, characterized in that it is formed by protruding the engaging projection (50). 제 1 항에 있어서, 상기 플랩개폐수단(44)은 사각기둥형태로 이루어지되, 그 상단에 플랩(32)의 결합편(48)상에 돌설된 결합돌기(50)가 끼워지는 결합장공(52)이 형성되고, 그 몸체 일측면에는 구동수단(40)을 구성하는 피니언(38)과 맞물리는 랙기어(54)가 상하방향으로 형성되며, 상기 랙기어(54) 반대쪽의 몸체 중앙부에는 구동모터제어수단(46)과 접촉되는 작동간(56)이 돌설되는 한편, 몸체의 내부 중심에는 일정깊이의 가이드봉 삽입홈(58)이 형성된 것을 특징으로 하는 전자렌지용 흡기덕트의 플랩개폐장치.According to claim 1, wherein the flap opening and closing means 44 is made of a rectangular pillar shape, the coupling hole 52 is fitted into the engaging projection 50 protruding on the coupling piece 48 of the flap 32 ) Is formed, a rack gear 54 engaging with the pinion 38 constituting the drive means 40 is formed in the vertical direction on one side of the body, the drive motor in the center of the body opposite the rack gear 54 While the operation 56 is in contact with the control means 46 is protruding, the flap opening and closing device of the intake duct for a microwave oven, characterized in that the guide rod insertion groove 58 of a predetermined depth is formed in the inner center of the body. 제 1 항에 있어서, 상기 구동모터제어수단(46)은 상기 플랩개폐수단(44)의 상하방향 이동거리상의 상한점에 해당하는 흡기덕트(38) 외측벽에 설치되는 제 1 스위치(60)와 하한점에 해당하는 흡기덕트 외측벽에 설치되는 제 2 스위치(62)로 이루어지며, 이들 각각은 전자렌지 내부에 별도로 설치되어 조리시간을 설정하는 타이머와 연결된 콘트롤러(64) 및 상기 콘트롤러(64)로부터 신호를 받아 전류의 흐름방향을 스위칭시켜 주는 스위칭소자(66)와 전기적으로 연결된 것을 특징으로 하는 전자렌지용 흡기덕트의 플랩개폐장치.The first switch (60) and the lower limit of claim 1, wherein the driving motor control means (46) is provided on an outer wall of the intake duct (38) corresponding to an upper limit on the vertical movement distance of the flap opening and closing means (44). It consists of a second switch 62 is installed on the outer wall of the intake duct corresponding to the point, each of which is a signal from the controller 64 and the controller 64 connected to a timer that is separately installed inside the microwave to set the cooking time The flap opening and closing device of the intake duct for a microwave oven, characterized in that it is electrically connected to a switching element 66 for switching the current flow direction. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930022836A 1993-10-30 1993-10-30 Duct of electronic range KR950013658B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930022836A KR950013658B1 (en) 1993-10-30 1993-10-30 Duct of electronic range

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Application Number Priority Date Filing Date Title
KR1019930022836A KR950013658B1 (en) 1993-10-30 1993-10-30 Duct of electronic range

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KR950011980A true KR950011980A (en) 1995-05-16
KR950013658B1 KR950013658B1 (en) 1995-11-13

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100821755B1 (en) * 2006-11-30 2008-04-14 엘지전자 주식회사 Oven
KR100826704B1 (en) * 2007-01-03 2008-04-30 엘지전자 주식회사 Gas oven range

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