KR0132850Y1 - Apparatus for alarm of over-pressure in electric pressure rice cooker - Google Patents

Apparatus for alarm of over-pressure in electric pressure rice cooker Download PDF

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Publication number
KR0132850Y1
KR0132850Y1 KR2019960026727U KR19960026727U KR0132850Y1 KR 0132850 Y1 KR0132850 Y1 KR 0132850Y1 KR 2019960026727 U KR2019960026727 U KR 2019960026727U KR 19960026727 U KR19960026727 U KR 19960026727U KR 0132850 Y1 KR0132850 Y1 KR 0132850Y1
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South Korea
Prior art keywords
alarm
overpressure
corrugated pipe
pressure cooker
pressure
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KR2019960026727U
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Korean (ko)
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KR19980013130U (en
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이세경
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배순훈
대우전자주식회사
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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
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/09—Safety devices
    • 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
    • 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 전기보온 압력밥솥의 과압경보장치에 관한 것으로서, 특히 통상의 전기보온 압력밥솥에 있어서, 내부용기와 연통되게 설치되는 한편, 상부로 돌기가 형성되어 내부용기의 증기압에 따라 돌기가 이동되는 주름관과; 상기 주름관의 돌기에 의한 스위치 접점신호를 입력받는 입력수단과; 상기 입력수단의 신호를 입력받아 경보음 출력신호를 제공하는 제어수단과; 상기 제어수단의 출력신호로 부져를 동작시켜 경보음으로써 과압을 확인케 하는 경보수단으로 구성된 것으로서, 압력밥솥의 안전사용을 더욱 보완한 특징을 지닌다.The present invention relates to an overpressure alarm device of an electric thermal pressure cooker, and in particular, in a conventional electric thermal pressure cooker, while being installed in communication with the inner container, a protrusion is formed at the top to move the projection according to the vapor pressure of the inner container. Corrugated tube; Input means for receiving a switch contact signal by the projection of the corrugated pipe; Control means for receiving a signal from the input means and providing an alarm sound output signal; It is configured as an alarm means for confirming the overpressure by operating the buzzer by the output signal of the control means, and has a feature that further complements the safe use of the pressure cooker.

Description

전기보온 압력밥솥의 과압경보장치Overpressure alarm device of electric thermal pressure cooker

본 고안은 전기보온 압력밥솥의 가압경보장치에 관한 것으로서, 보다 상세하게는 내부압력상태에 따라 변화되는 주름관과, 이 주름관에 의해 작동되는 스위치,제어수단,경보수단으로 구성된 과압경보장치을 설치하여 주름관의 변화로 의해 경보장치가 발하도록 된 전기보온압력밥솥의 과압경보장치에 관한 것이다.The present invention relates to a pressure alarm device of the electric thermal pressure cooker, and more specifically, to the corrugated pipe installed by the overpressure alarm device composed of a corrugated pipe that is changed according to the internal pressure state, the switch, the control means, the alarm means operated by the corrugated pipe. It relates to an overpressure alarm device of an electric thermal pressure cooker to be issued by the alarm device by the change of.

일반적으로 전기보온압력밥솥은 그 내부에 발열수단이 내장되고, 그 상부에는 밥솥뚜껑(11)이 설치되는 밥솥본체(1)와, 상기 밥솥본체(1) 내부에 밀폐가능케 안치되는 내솥용기(12) 등으로 구성된다.In general, the electric thermal pressure cooker has a heating means built therein, the upper part of the rice cooker body 11 is installed with a rice cooker lid 11, and the inner pot container 12 is enclosed to be sealed in the rice cooker body (1). ) And the like.

그리고, 상기 밥솥본체(1)에는 제1도에 도시된 바와 같이, 상기 내솥용기(12)와 연통되게 제1증기배출구(2)와 솔레노이드밸브인 제2증기배출구(3)가 설치되며, 상기 제1증기배출구(2)에는 내솥용기(12) 속의 증기를 외부로 강제배출시키는 강제개방장치(미도시)가 연통되게 설치된다.In addition, as shown in FIG. 1, the cooker main body 1 is provided with a first steam outlet 2 and a second steam outlet 3 which is a solenoid valve so as to communicate with the inner pot container 12. The first steam outlet (2) is provided in communication with a forced opening device (not shown) for forcibly discharging the steam in the inner pot container 12 to the outside.

이와같이 된 제1증기배출구(2) 및 제2증기배출구(3)는 각각 통상적으로 밥솥내의 압력에 따라 증기를 배출하도록 된 구조로써 제1증기배출구(2)는 약2기압시, 제2증기배출구(3)는 약3기압시에 증기를 배출하도록 되어 있는 바, 이러한 제1,2증기배출구는 그 기압에 따라 정확하게 배출시켜야 함은 안전한 압력밥솥을 구현시키는 주요수단일 수밖에 없다.The first steam outlet (2) and the second steam outlet (3) as described above are typically configured to discharge steam in accordance with the pressure in the rice cooker, the first steam outlet (2) is about 2 atm, the second steam outlet (3) is to discharge the steam at about 3 atm, the first and second steam outlets must be discharged correctly according to the pressure is the main means to implement a safe pressure cooker.

그런데, 상기와 같은 전기보온압력밥솥은 통상 제1증기배출구(2)와 제2증기배출구(3)가 미세한 구멍을 지니는 구조로 되어 있어 종종 음식물의 부산물에 의해 막히곤 하여 안전수단의 역할로써 충분치 못해 왔다. 따라서 내부의 비정상상태인 즉, 과압력상태가 유발될 수 있으며, 이 과압력상태를 적절한 시점에서 해결치 못하면 경우에 따라 폭발 등의 위험도 내재되어 있었던 것이다.By the way, the electric heat pressure cooker as described above has a structure in which the first steam outlet (2) and the second steam outlet (3) has a minute hole is often blocked by the by-products of the food is sufficient as a role of safety means I haven't been. Therefore, an abnormal state inside, that is, an overpressure state may be caused, and if the overpressure state cannot be solved at an appropriate time, a risk such as an explosion is inherent.

본 고안은 상기와 같은 위험 등을 해결하기 위해 창출된 것으로서, 제1,2증기배출구의 고장으로 인해 과압상태가 될 때 소정의 경고음이 자동으로 발하게 하여 적시에 과압상태를 해제유도케 함으로서, 압력밥솥의 안전한 사용에 기여하는 전기보온압력밥솥의 과압경보장치를 제공하는데 그 목적이 있다.The present invention was created in order to solve the above-mentioned risks, and when the overpressure is caused by the failure of the first and second steam outlets, a predetermined warning sound is automatically issued to induce timely release of the overpressure, An object of the present invention is to provide an overpressure alarm device for an electric thermal pressure cooker that contributes to the safe use of a rice cooker.

제1도는 일반적인 전기보온 압력밥솥의 증기배출구를 보인 부분단면도.1 is a partial cross-sectional view showing a steam outlet of a general electric pressure cooker.

제2도는 본 고안 전기보온압력밥솥에 과압경보장치가 설치된 것을 보인 개략도.2 is a schematic view showing that the overpressure alarm device is installed in the present invention electric heat pressure cooker.

제3도는제2도의 일 실시예를 보인 상세회로도.3 is a detailed circuit diagram showing an embodiment of FIG.

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

4 : 주름관 5 : 제어수단4: corrugated pipe 5: control means

6 : 경보수단 7 : 입력수단6: alarm means 7: input means

상기의 목적을 달성하기 위해 본 고안은 통상의 전기보온 압력밥솥에 있어서, 밥솥 내부용기와 연통되게 설치되는 한편, 상부로 돌기가 형성되어 내부용기의 증기압에 따라 돌기가 이동되는 주름관과; 상기 주름관의 돌기에 의한 스위치 접점신호를 입력받는 입력수단과; 상기 입력수단의 신호를 입력받아 경보음 출력신호를 제공하는 제어수단과; 상기 제어수단의 출력신호로 부져를 동작시켜 경보음으로써 과압을 확인케 하는 경보수단으로 구성된 특징이 있다.In order to achieve the above object, the present invention is a common electric thermal pressure cooker, which is installed in communication with the inner container of the cooker, and formed with a projection to the upper portion of the corrugated pipe is moved according to the vapor pressure of the inner container; Input means for receiving a switch contact signal by the projection of the corrugated pipe; Control means for receiving a signal from the input means and providing an alarm sound output signal; It is characterized in that the alarm means for confirming the overpressure by operating the buzzer by the output signal of the control means by the alarm sound.

이하, 첨부된 도면에 의거하여 본 고안의 바람직한 일 실시예를 상세히 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

제2도는 본 고안 전기보온압력밥솥에 과압경보장치가 설치된 것을 보인 개략도이고, 제3도는 제2도의 일 실시예를 보인 상세회로도이다. 본 고안은 종래기술과 동일한 기술은 동일부호로써 설명한다.Figure 2 is a schematic diagram showing that the overpressure alarm device is installed in the present invention electric heat pressure cooker, Figure 3 is a detailed circuit diagram showing an embodiment of FIG. The present invention will be described with the same reference numerals as the prior art.

제2도에 있어서, 본 고안은 내솥용기(12)와 연통되게 제1증기배출구(2)와 솔레노이드밸브인 제2증기배출구(3)가 설치된 전기보온 압력밥솥에 있어서, 상기 내솥용기(12)와 연통되게 설치되어 내솥내의 증기압 팽창에 따라 그 높,낮이가 변화되는 주름관(4)이 더 포함된다.In Figure 2, the present invention is in the electric heat pressure cooker is installed in the first steam outlet (2) and the second steam outlet (3) which is a solenoid valve in communication with the inner pot container 12, the inner pot container (12) It is installed in communication with the corrugated pipe (4) is further changed in height and height as the vapor pressure expansion in the inner pot.

여기서, 상기 주름관(4)은 높,낮이 이동이 용이하도록 그 측면에 주름(4c)이 형성되는 한편, 주름관(4)의 상부로 돌출형성된 돌기(4b) 및 내솥용기에 용접 등으로 고정되는 소정길이로 연장형성된 지지편(4a)이 형성된다.Here, the corrugated pipe (4) is formed on the side of the corrugation (4c) to facilitate the movement of height, height, while being fixed to the projection (4b) and the inner pot container formed by protruding to the upper portion of the corrugated pipe (4) The support piece 4a extended by the predetermined length is formed.

그리고, 상기 주름관(4)의 돌기(4b)에 의한 스위치 접점신호가 후술하는 제어수단(5)으로 입력되게 하는 스위치(SW)와 풀업저항(R1)으로 구성된 입력수단(7)과, 상기 입력수단(7)의 스위치신호를 입력단(P11)을 통해 입력받고 그 출력단(P01)으로 경보음신호를 제공하는 제어수단(5)과, 상기 제어수단(5)의 출력신호로 부져음을 발생시키도록 저항(R2), 트랜지스터(Q), 부져(B)로 구성된 경보수단(6)으로 이루어진다.And input means 7 consisting of a switch (SW) and a pull-up resistor (R1) for causing the switch contact signal by the projection (4b) of the corrugated pipe 4 is input to the control means 5 to be described later, and the input Control means (5) for receiving the switch signal of the means (7) through the input terminal (P11) and providing an alarm sound signal to its output terminal (P01), and generating a buzzer sound as an output signal of the control means (5). And alarm means 6 composed of a resistor R2, a transistor Q, and a buzzer B.

상기 스위치접점신호는 증기배출구의 고장으로 인한 설정과압 이후에 동작되는 것이 그 동작상 바람직하다.The switch contact signal is preferably operated after the set overpressure due to a failure of the steam outlet.

이상의 설명은 본 고안의 일 실시예에 불과하며, 본 고안의 그 구성요지 범위내에서 예컨데, 주름과의 형상, 돌기 등 얼마든지 변경 및 개조가 가능하다.The above description is only one embodiment of the present invention, and within the scope of the present invention, for example, the shape of the wrinkles, projections, etc. can be changed and modified as much as possible.

상술한 바와 같이 구성된 본 고안의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention configured as described above are as follows.

먼저, 본 고안은 공지의 제1증기배출구(2) 및 제2증기배출구(3)로써 밥솥내의 압력에 따라 증기를 배출시키는 안전수단외에 과압경보잔치가 구비되는 바, 이 과압경보장치는 일정기압에서 증기배출구가 개방되어 증기를 배출되지 못한 시점에서 동작된다.First, the present invention is provided with an overpressure alarm ban in addition to safety means for discharging steam according to the pressure in the rice cooker as the first steam outlet (2) and the second steam outlet (3), the overpressure alarm device is a constant atmospheric pressure In this case, the steam outlet is opened and the steam is not discharged.

즉, 제1증기배출구(2) 및 제2증기배출구(3)의 고장으로 인해 내솥내부가 비전상적인 과압상태로 되면 주름관(4)으로 유입되는 증기압 팽창에 의해 양측의 주름(4c)이 늘어나 소정길이까지 연장되고, 이에 주름관(4) 상부에 형성된 돌기(4b)가 입력수단(7)의 스위치(SW)를 접촉 온시킨다.That is, when the inner pot becomes an abnormal overpressure due to a failure of the first steam outlet 2 and the second steam outlet 3, the wrinkles 4c on both sides are increased by the expansion of the vapor pressure introduced into the corrugated pipe 4. It extends to a predetermined length, and the projection 4b formed on the corrugated pipe 4 contacts the switch SW of the input means 7 on.

이어, 상기 스위치(SW)온은 전압(Vcc)이 풀업저항(R1)을 통해 접지측으로 흐르게 되면서 로우전위(0V)가 제어수단(5)의 입력단(P11)으로 입력되며, 상기 제어 수단(5)은 과압상태로 판단하여 출력단(P01)인 경보수단(6)에 소정의 경보음신호를 출력한다. 이 경보음 출력신호로 경보수단(6)의 트랜지스터(Q)를 턴온시켜부져(B)가 동작되도록 함으로써 경보음이 발하도록 한다.Subsequently, as the switch SW is turned on, the voltage Vcc flows to the ground side through the pull-up resistor R1, and the low potential 0V is input to the input terminal P11 of the control means 5, and the control means 5 Is judged to be an overpressure state and outputs a predetermined alarm sound signal to the alarm means 6 which is the output stage P01. The alarm sound output signal causes the transistor Q of the alarm means 6 to be turned on so that B is operated to generate an alarm sound.

그리하여 사용자가 경보음을 듣고 적절히 과압상태를 해제시키면 이에 주름관(4)으로 유입되는 증기압이 적어짐에 의해 양측의 주름(4C)이 줄어들어 원래의 상태로 복귀되고, 주름관(4)의 돌기(4b)가 스위치(SW)와 이격되어 스위치접점이 오프된다. 상기 스위치(SW) 오프는 전압(Vcc)이 풀업저항(R1)을 통해 고전위(5V)가 제어수단(5)의 입력단(P11)으로 입력되며, 상기 제어수단(5)은 과압해제 상태로 판단하여 출력단(P01)인 경보수단(6)에 소정의 경보음 차단신호를 출력한다. 이 경보음 차단 출력신호로 경보수단(6)의 트랜지스터(Q)를 턴오프시켜 부져(B)가 동작되지 않도록 함으로써 경보음 발생을 멈춘다.Thus, when the user hears the alarm sound and releases the overpressure state appropriately, the steam pressure flowing into the corrugated pipe 4 decreases, thereby reducing the corrugations 4C on both sides and returning to the original state, and the projection 4b of the corrugated pipe 4 is reduced. Is spaced apart from the switch SW and the switch contact is turned off. In the switch SW off, the voltage Vcc is input to the input terminal P11 of the control means 5 by the high potential 5V through the pull-up resistor R1, and the control means 5 is in the overpressure release state. It determines and outputs a predetermined alarm sound cutoff signal to the alarm means 6 which is the output terminal P01. The alarm sound generation output is stopped by turning off the transistor Q of the alarm means 6 with the alarm sound interruption output signal so that the buoy B is not operated.

이상에서 살펴본 바와 같이 본 고안은 과얍력상태를 적절한 시점에서 해결을 유도케 하는 과압경보장치를 부가함으로서, 압력밥솥의 안전사용에 기여함과 더불어 기능추가로 인한 제품의 신뢰도를 향상시키는데도 유용한 효과가 있다.As discussed above, the present invention adds an overpressure alarm device that induces an overpressure condition to be resolved at an appropriate time point, and contributes to the safe use of the pressure cooker, and is also useful for improving the reliability of the product due to the addition of functions. There is.

Claims (3)

통상의 전기보온 압력밥솥에 있어서, 밥솥 내부용(12)와 연통되게 설치되는 한편, 상부로 돌기(4b)가 형성되어 내부용기(12)의 증기압에 따라 돌기(4b)가 이동되는 주름관(4)과; 상기 주름관(4)의 돌기(4b)에 의한 스위치 접점신호를 입력받는 입력수단(7)과; 상기 입력수단(7)의 신호를 입력받아 경보음 출력신호를 제공하는 제어수단(5)과; 상기 제어수단(5)의 출력신호로 부져(B)를 동작시켜 경보음으로써 과압을 확인케 하는 경보수단(6)으로 구성된 것을 특징으로 한 전기보온 압력밥솥의 과압경보장치.In a typical electric thermal pressure cooker, the corrugated pipe 4 is installed to communicate with the inside of the rice cooker 12, while the protrusions 4b are formed on the upper portion and the protrusions 4b are moved in accordance with the vapor pressure of the inner container 12. )and; Input means (7) for receiving a switch contact signal by the projection (4b) of the corrugated pipe (4); Control means (5) for receiving a signal from the input means (7) and providing an alarm sound output signal; An over-pressure alarm device for an electric thermal pressure cooker, characterized in that it comprises an alarm means (6) for operating the buzzer (B) by the output signal of the control means (5) to check the overpressure by the alarm sound. 제1항에 있어서, 상기 주름관(4)은 높,낮이 이동이 용이하도록 그 측면에 주름(4c)이 형성되는 한편, 주름관(4)의 상부로 돌출형성된 돌기(4b) 및 내솥용기에 용접 등으로 고정되는 소정길이로 연장형성된 지지편(4a)이 형성된 것을 특징으로 한 전기보온 압력밥솥의 과압경보장치.According to claim 1, The corrugated pipe (4) is formed on the side of the corrugation (4c) to facilitate the movement of height, height, while welding to the projection (4b) and the inner pot container protruding to the upper portion of the corrugated pipe (4) An over-pressure alarm device of an electric thermal pressure cooker, characterized in that the support piece (4a) is formed extending to a predetermined length fixed to the back. 제1항에 있어서, 상기 스위치접점신호는 증기배출구의 고장으로 인한 설정과압 이후에 동작되도록 한 것을 특징으로 한 전기보온 압력밥솥 과압경보장치.According to claim 1, wherein the switch contact signal electric insulation pressure cooker overpressure alarm device characterized in that the operation after the set overpressure due to the failure of the steam outlet.
KR2019960026727U 1996-08-30 1996-08-30 Apparatus for alarm of over-pressure in electric pressure rice cooker KR0132850Y1 (en)

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