KR100231033B1 - Security apparatus for microwave oven - Google Patents

Security apparatus for microwave oven Download PDF

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KR100231033B1
KR100231033B1 KR1019970027791A KR19970027791A KR100231033B1 KR 100231033 B1 KR100231033 B1 KR 100231033B1 KR 1019970027791 A KR1019970027791 A KR 1019970027791A KR 19970027791 A KR19970027791 A KR 19970027791A KR 100231033 B1 KR100231033 B1 KR 100231033B1
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switch
primary
microwave
pole
input terminal
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KR1019970027791A
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Korean (ko)
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KR19990003831A (en
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최순덕
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윤종용
삼성전자주식회사
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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
    • H05B6/66Circuits
    • H05B6/666Safety circuits

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  • Electromagnetism (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Electric Ovens (AREA)

Abstract

본 발명의 전자렌지 안전장치는 3극모니터스위치(M1)의 스위칭 동작에 따라 전원입력단(1), 1차스위치(P), 3극모니터스위치(M1) 순으로 연결된 폐회로를 이루거나 전원입력단(1)과, 1차스위치(P), 3극모니터스위치(M1), 고압트랜스포머(H.V.T)의 1차측권선 및, 2차스위치(S) 순으로 연결된 폐회로를 이루어, 별도의 스위치를 추가로 장착하지 않고도 미국안전규격 및 캐나다안전규격을 동시에 만족시킬 수 있고, 어, 제조비용을 절감할 수 있을 뿐만 아니라 미국 모델과 캐나다 모델의 와이어하니스를 공용화할 수 있어 제조효율을 증대할 수 있는 효과가 있다.The microwave safety device of the present invention forms a closed circuit connected to the power input terminal 1, the primary switch P, and the 3-pole monitor switch M1 according to the switching operation of the 3-pole monitor switch M1 or the power input terminal ( 1) and the closed circuit connected to the primary switch (P), the 3-pole monitor switch (M1), the primary winding of the high voltage transformer (HVT), and the secondary switch (S) in order to install additional switches. It can satisfy the US safety standard and Canadian safety standard at the same time, and can reduce the manufacturing cost and also increase the manufacturing efficiency by sharing the wire harness of US model and Canadian model. .

Description

전자렌지 안전장치Microwave Safety Device

본 발명은 전자렌지 안전장치에 관한 것으로, 좀더 상세하게는 미국 및 캐나다의 안전규격을 동시에 만족시키는 전자렌지 안전장치에 관한 것이다.The present invention relates to a microwave safety device, and more particularly, to a microwave safety device that satisfies the safety standards of the United States and Canada at the same time.

일반적으로, 전자렌지는 열전도 및 열복사등을 이용한 종래의 외부가열방식의 조리기구와는 달리 마그네트론이라는 마이크로파발진관에 고압전기를 가하여 마이크로파를 발생시키고, 이러한 마이크로파를 음식물에 가하여 음식물을 가열조리한다.In general, a microwave oven generates microwaves by applying a high-voltage electric power to a microwave oscillation tube called magnetron, unlike a conventional external heating type cookware using heat conduction and heat radiation, and heats and cooks food by applying such microwaves to food.

상기와 같이 음식물에 마이크로파를 가하면 음식물을 구성하고 있는 분자들이 빠른속도로 회전함에 따라 많은 마찰열이 발생하게 되고, 이 열에 의하여 식품을 가열조리하는 것이다.When microwave is applied to the food as described above, a lot of frictional heat is generated as the molecules constituting the food rotate at a high speed, and the food is heated and cooked by this heat.

상기와 같은 전자렌지는 각나라마다 안전규격이 정하여져 있는데, 미국안전규격에 의한 전자렌지 안전장치는 도 1에 도시된 바와 같이, 전원입력단(1)에 1차스위치 (P)와, 모니터스위치(M), 2차스위치(S)가 차례로 직렬 연결되어 폐회로를 이루고, 상기 모니터스위치(M)의 양단에 고압트랜스포머(H.V.T)의 1차측권선의 양단이 연결되어 있다.As described above, the microwave oven has a safety standard for each country. The microwave safety device according to the US safety standard has a primary switch (P) and a monitor switch (1) at the power input terminal (1) as shown in FIG. M), the secondary switch (S) is connected in series to form a closed circuit, and both ends of the primary winding of the high voltage transformer (HVT) are connected to both ends of the monitor switch (M).

그리고, 캐나다안전규격에 의한 전자렌지 안전장치는 도 2에 도시된 바와 같이, 전원입력단(1)에 1차스위치(P)와 모니터스위치(M)가 차례로 직렬 연결되어 폐회로를 이루고 있고, 서로 직렬 연결된 고압트랜스포머(H.V.T)의 1차측권선과 2차스위치(S)가 상기 모니터스위치(M)의 양단에 병렬 연결되어 있다.In the microwave safety device according to the Canadian safety standard, as shown in FIG. 2, the primary switch P and the monitor switch M are sequentially connected to the power input terminal 1 in series to form a closed circuit, and are connected to each other in series. The primary winding of the connected high voltage transformer (HVT) and the secondary switch (S) are connected in parallel to both ends of the monitor switch (M).

또한, 미국 및 캐나다안전규격을 동시에 만족시키는 전자렌지의 안전장치는 도 3에 도시된 바와 같이, 전원입력단(1)에 1차스위치(P)와, 모니터스위치(M), 첫 번째 2차스위치(S1)가 차례로 직렬 연결되어 폐회로를 이루고, 서로 직렬 연결된 고압트랜스포머(H.V.T)의 1차측권선과 두 번째 2스위치(S2)가 상기 모니터스위치(M)의 양단에 병렬 연결되어 있다.In addition, the microwave safety device that satisfies the US and Canadian safety standards at the same time, as shown in Figure 3, the primary switch (P), the monitor switch (M), the first secondary switch in the power input terminal (1) S1 is sequentially connected in series to form a closed circuit, and the primary winding and the second second switch S2 of the high voltage transformer HVT connected in series are connected to both ends of the monitor switch M in parallel.

그러나, 상기와 같은 종래의 전자렌지 안전장치는, 미국안전규격과 캐나다안전규격이 상이하여 2차스위치의 위치가 다름에 따라 미국안전규격과 캐나다안전규격을 만족시키는 전자렌지를 별도로 생산하여야 하는 문제점이 있고, 이러한 문제점을 해소하여 미국안전규격과 캐나다안전규격을 동시에 만족시키는 전자렌지의 안전장치는, 2차스위치를 1개 더 추가하여야 함에 따라 제조비용이 상승하는 문제점이 있었다.However, the conventional microwave safety device as described above, because the US safety standard and Canadian safety standard is different, the position of the secondary switch is different, the problem of producing a microwave oven that satisfies the US safety standard and Canadian safety standard separately In order to solve this problem, the microwave safety device that satisfies the US safety standard and the Canadian safety standard at the same time, there is a problem that the manufacturing cost increases as one additional secondary switch.

본 발명은 상기와 같은 종래의 제문제점을 해소하기 위한 것으로, 3극모니터스위치를 사용하여 미국안전규격과 캐나다안전규격을 동시에 만족시킬 수 있는 전자렌지 안전장치를 제공하는데 그 목적이 있다.The present invention is to solve the above problems, it is an object of the present invention to provide a microwave safety device that can satisfy the US safety standards and Canadian safety standards at the same time using a three-pole monitor switch.

이러한 목적을 달성하기 위한 본 발명에 따른 전자렌지 안전장치는, 1차스위치와, 3극모니터스위치 및, 2차스위치를 포함하여 구성되며, 상기 3극모니터스위치의 스위칭동작에 의해 전원입력단, 1차스위치, 3극모니터스위치 순으로 연결된 폐회로를 이루거나 전원입력단과, 1차스위치, 모니터스위치, 고압트랜스포머의 1차측권선 및, 2차스위치순으로 연결된 폐회로를 이루는 것을 특징으로 한다.Microwave safety device according to the present invention for achieving this object, comprising a primary switch, a three-pole monitor switch, and a secondary switch, the power input terminal by the switching operation of the three-pole monitor switch, 1 It consists of a closed circuit connected in the order of the primary switch, the three-pole monitor switch, or a closed circuit connected in the order of the power input terminal, the primary winding of the primary switch, the monitor switch, the high voltage transformer, and the secondary switch.

제1도는 미국안전규격을 만족시키는 종래의 전자렌지 안전장치의 회로도.1 is a circuit diagram of a conventional microwave safety device that satisfies the US safety standards.

제2도는 캐나다안전규격을 만족시키는 종래의 전자렌지 안전장치의 회로도.2 is a circuit diagram of a conventional microwave safety device that meets Canadian safety standards.

제3도는 미국 및 캐나다안전규격을 동시에 만족시키는 종래의 전자렌지 안전장치의 회로도.3 is a circuit diagram of a conventional microwave safety device that satisfies the US and Canada safety standards at the same time.

제4도는 본 발명에 따른 전자렌지 안전장치의 회로도이다.4 is a circuit diagram of a microwave safety device according to the present invention.

* 도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings

P : 1차스위치 S : 2차스위치P: Primary switch S: Secondary switch

M1 : 3극모니터스위치 H.V.T : 고압트랜스포머M1: 3-pole monitor switch H.V.T: High voltage transformer

이하, 첨부된 도면을 참조하여 본 발명을 상세히 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail the present invention.

도 4는 본 발명에 따른 전자렌지 안전장치의 회로도로서, 본 발명에 따른 전자렌지 안전장치는, 3극모니터스위치(M1)의 스위칭동작에 따라 전원입력단(1), 1차스위치(P), 3극모니터스위치(M1)순으로 연결된 폐회로를 이루거나 전원입력단(1)과, 1차스위치(P), 3극모니터스위치(M1), 고압트랜스포머(H.V.T)의 1차측권선 및, 2차스위치(S)순으로 연결된 폐회로를 이루고 있다.4 is a circuit diagram of a microwave safety device according to the present invention, the microwave safety device according to the present invention, the power input terminal 1, the primary switch (P), according to the switching operation of the three-pole monitor switch (M1), Make a closed circuit connected in the order of the 3-pole monitor switch (M1) or the primary input winding (1), the primary switch (P), the 3-pole monitor switch (M1), the primary winding of the high voltage transformer (HVT), and the secondary switch. (S) in order to form a closed circuit.

상기와 같이 연결 구성된 전자렌지 안전장치에서, 1차스위치(P; Primary Switch)는 전자렌지의 조리실 도어가 열릴 때 마이크로파 발진을 중단시키기 위해 고압트랜스포머(H.V.T; High Voltage Transformer)의 1차측전압을 차단하도록 개방된다.In the microwave safety device configured as described above, the primary switch (P; primary switch) cuts off the primary side voltage of the high voltage transformer (HVT) to stop the microwave oscillation when the cooking door of the microwave oven is opened. To open.

그리고, 2차스위치(S; Secondary switch)는 제어수단(도시하지 않음)에 의해 "온/오프"시간이 제어되어 전자렌지의 출력을 다양화시키는 것으로, 전자렌지의 조리실도어가 열리면 도어감지스위치(도시하지 않음)가 이를 감지하여 제어수단으로 입력하고, 제어수단은 2차스위치(S)을 개방시키도록 되어 있다.Secondary switch (S) is a "on / off" time is controlled by a control means (not shown) to diversify the output of the microwave, when the cooking door of the microwave oven door detection switch ( (Not shown) detects this and inputs it to the control means, which controls the secondary switch S to open.

그리고, 상기 3극모니터스위치(M1; Monitor switch)는 1차스위치(P)와 2차스위치(S)을 감시하고 있다가, 전자렌지의 조리실도어가 열렸음에도 불구하고 1차스위치 (P)와 2차스위치(S)가 제기능을 하지 못할 경우 퓨즈선을 끊어 고압트랜스포머 (H.V.T)의 1차단으로 공급되는 전압을 차단한다.The three-pole monitor switch (M1) monitors the primary switch (P) and the secondary switch (S), and although the cooking chamber door of the microwave oven is opened, If the secondary switch (S) does not function properly, cut off the fuse wire to cut off the voltage supplied to the primary stage of the high voltage transformer (HVT).

상기와 같이 구성된 전자렌지 안전장치의 작용 및 효과를 상세히 설명하면 다음과 같다.Referring to the operation and effects of the microwave safety device configured as described above in detail as follows.

본 발명의 전자렌지 안전장치는 3극모니터스위치(M1)가 닫히면 전원입력단 (1), 1차스위치(P), 3극모니터스위치(M1)순으로 연결된 폐회로가 형성되고, 3극 모니터스위치(M1)가 개방되면 전원입력단(1)과, 1차스위치 (P), 3극모니터스위치(M1), 고압트랜스포머(H.V.T)의 1차측권선 및, 2차스위치(S)순으로 연결된 폐회로가 형성된다.In the microwave safety device of the present invention, when the 3-pole monitor switch M1 is closed, a closed circuit connected to the power input terminal 1, the primary switch P, and the 3-pole monitor switch M1 is formed, and the 3-pole monitor switch ( When M1) is open, a closed circuit is connected in order to the power input terminal 1, the primary switch P, the 3-pole monitor switch M1, the primary winding of the high voltage transformer HVT, and the secondary switch S. do.

상기와 같은 전자렌지에서 음식물이 조리실내에 위치되고 도어가 닫혔을 경우에는 1차스위치(P)는 닫히고, 3극모니터스위치(M1)는 개방된다.In the above microwave oven, when food is placed in the cooking chamber and the door is closed, the primary switch P is closed and the three-pole monitor switch M1 is opened.

따라서, 전원입력단(1), 1차스위치(P), 3극모니터스위치(M1), 고압트랜스포머 (H.V.T), 2차스위치(S)순으로 연결된 폐회로가 형성된다.Therefore, a closed circuit connected to the power input terminal 1, the primary switch P, the 3-pole monitor switch M1, the high voltage transformer H.V.T, and the secondary switch S is formed.

이와 같은 상태에서, 사용자가 조리 시작키를 누르면 메인릴레이(도시하지 않음)와 2차스위치(S)가 제어수단(도시하지 않음)에 의해 제어되어, 고압트랜스포머 (H.V.T)에 전원이 공급되어 마이크로파를 발진시킨다.In this state, when the user presses the cooking start key, the main relay (not shown) and the secondary switch S are controlled by the control means (not shown), so that power is supplied to the high voltage transformer (HVT) and the microwave Oscillate.

그리고, 상기와 같이 조리하는 도중에 사용자가 조리실도어를 열면 1차스위치 (P)와 2차스위치(S)가 개방되어 마이크로파가 발진되는 것을 정지시킨다.Then, when the user opens the cooking chamber door during the cooking as described above, the primary switch P and the secondary switch S are opened to stop the microwave generation.

그러나, 조리실도어가 열렸음에도 불구하고 1차스위치(P)와 2차스위치(S)가 제기능을 하지 못할 경우 3극모니터스위치(M1)가 퓨즈선을 끊어 고압트랜스포머 (H.V.T)의 1차단으로 공급되는 전원을 차단한다.However, if the primary switch (P) and the secondary switch (S) fail to function even though the cooking door is opened, the three-pole monitor switch (M1) cuts the fuse wire to the first stage of the high voltage transformer (HVT). Shut off the power supply.

이상에서 살펴본 바와 같이 본 발명에 따르면, 별도의 스위치를 추가로 장착하지 않고도 미국안전규격 및 캐나다안전규격을 동시에 만족시킬 수 있어, 제조비용 절감할 수 있을 뿐만 아니라 미국모델과 캐나다모델의 와이어하니스를 공용화할 수 있어 제조효율을 증대할 수 있는 효과가 있다.As described above, according to the present invention, the US safety standard and the Canadian safety standard can be satisfied at the same time without additional installation of additional switches, thereby reducing the manufacturing cost and providing the wire harness of the US model and the Canadian model. Since it can be shared, the manufacturing efficiency can be increased.

Claims (1)

1차스위치와, 3극모니터스위치 및, 2차스위치를 포함하여 구성되며, 상기 3극모니터스위치의 스위칭동작에 의해 전원입력단, 1차스위치 및, 3극모니터스위치 순으로 연결되는 폐회로를 이루거나 전원입력단과, 1차스위치, 3극모니터스위치, 고압트랜스포머의 1차측권선 및, 2차스위치 순으로 연결된 폐회로를 이루는 전자렌지의 안전장치.It comprises a primary switch, a three-pole monitor switch, and a secondary switch, and by the switching operation of the three-pole monitor switch to form a closed circuit connected in order to the power input terminal, the primary switch, and the three-pole monitor switch A safety device for a microwave oven comprising a closed circuit connected to a power input terminal, a primary switch, a 3-pole monitor switch, a primary winding of a high voltage transformer, and a secondary switch.
KR1019970027791A 1997-06-26 1997-06-26 Security apparatus for microwave oven KR100231033B1 (en)

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KR1019970027791A KR100231033B1 (en) 1997-06-26 1997-06-26 Security apparatus for microwave oven

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KR100231033B1 true KR100231033B1 (en) 1999-11-15

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950009098A (en) * 1993-09-21 1995-04-21 배순훈 Microwave Safety Device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950009098A (en) * 1993-09-21 1995-04-21 배순훈 Microwave Safety Device

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