KR960043448A - Voltage changeover alarm - Google Patents

Voltage changeover alarm Download PDF

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Publication number
KR960043448A
KR960043448A KR1019950014131A KR19950014131A KR960043448A KR 960043448 A KR960043448 A KR 960043448A KR 1019950014131 A KR1019950014131 A KR 1019950014131A KR 19950014131 A KR19950014131 A KR 19950014131A KR 960043448 A KR960043448 A KR 960043448A
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KR
South Korea
Prior art keywords
voltage
power
switching
output
unit
Prior art date
Application number
KR1019950014131A
Other languages
Korean (ko)
Inventor
류웅상
Original Assignee
배순훈
대우전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950014131A priority Critical patent/KR960043448A/en
Publication of KR960043448A publication Critical patent/KR960043448A/en

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Abstract

본 발명은 전압전환 경보장치에 관한 것으로, 교류전원을 입력받아 직류전원으로 변환하고 정류하여 출력하는 전원입력부와, 상기 전원입력부에서 출력된 전압을 충전하는 전압충전부와, 상기 전압충전부에서 충전된 전압의 인가를 스위칭하는 스위칭 트랜지스터와, 상기 스위칭 트랜지스터의 스위칭 상태에 따라 여자되는 트랜스포머와, 상기 트랜스포머의 2차측 코일에 여자된 전압을 정류시킨 후 부하에 공급하는 전압출력부를 구비하는 전원공급장치에 있어서, 상기 전원입력부의 출력단에 접속되어 인가되는 전압을 감지하여 부하측에 전원의 인가를 제어하는 전압전환감지부와, 상기 전압전환감지부에서 출력된 전압을 인가받아 경보음을 발생하는 경보장치를 구비하여 정격전압이 110V로 설정되어 있는 각종 전자기기에 설정되어 있는 정격 전압 보다 높은 전압이 인가되면 자동으로 경보를 수행함과 동시에 공급전원을 차단시키는 것이다.The present invention relates to a voltage switching alarm device, the power input unit for receiving the AC power is converted to DC power, rectified and output, a voltage charging unit for charging the voltage output from the power input unit, the voltage charged in the voltage charging unit A power supply comprising a switching transistor for switching the application of a voltage, a transformer excited according to the switching state of the switching transistor, and a voltage output unit for rectifying the voltage excited by the secondary coil of the transformer and supplying it to a load. And a voltage change detection unit for controlling the application of power to the load side by sensing a voltage applied to the output terminal of the power input unit, and an alarm device for generating an alarm sound by receiving the voltage output from the voltage change detection unit. Rated voltage set in various electronic devices with the rated voltage of 110V When a voltage higher than the voltage is applied, it automatically alarms and cuts off the power supply.

Description

전압전환 경보장치Voltage changeover alarm

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 일반적인 전원 공급 장치의 회로도.1 is a circuit diagram of a typical power supply.

Claims (2)

교류전원을 입력받아 직류전원으로 변환하고 정류하여 출력하는 전원입력부(10)와, 상기 전원입력부(10)에서 출력된 전압을 충전하는 전압충전부(20)와, 상기 전압충전부(20)에서 충전된 전압의 인가를 스위칭하는 스위칭 트랜지스터(30)와, 상기 스위칭 트랜지스터(30)의 스위칭 상태에 따라 여자되는 트랜스포머(T)와, 상기 트랜스포머(T)의 2차측 코일에 여자된 전압을 정류시킨 후 부하에 공급하는 전압출력부(50)를 구비하는 전원공급장치에 있어서, 상기 전원입력부(10)의 출력단에 접속되어 인가되는 전압을 감지하여 부하측에 전원의 인가를 제어하는 전압전환감지부(40)와, 상기 전압전환감지부(40)에서 출력된 전압을 인가받아 경보음을 발생하는 경보장치(60)을 구비하는 것을 특징으로 하는 전압전환 경보장치.A power input unit 10 for receiving AC power, converting into DC power, rectifying and outputting the voltage, a voltage charging unit 20 for charging a voltage output from the power input unit 10, and a voltage charged in the voltage charging unit 20. After switching the switching transistor 30 for switching the application of voltage, the transformer T excited according to the switching state of the switching transistor 30, and the voltage excited on the secondary coil of the transformer T, the load In the power supply having a voltage output unit 50 for supplying to the power supply, the voltage switching sensing unit 40 for controlling the application of power to the load side by sensing the voltage applied to the output terminal of the power input unit 10 And an alarm device (60) generating an alarm sound upon receiving the voltage output from the voltage switch detection unit (40). 제1항에 있어서, 상기 전압전환감지부(40)는 전원입력부(10)에서 출력된 전압을 분배하는 저항(R41,R42)과, 상기 저항(R41,R42)에서 출력된 전압을 기준전압과 비교하는 비교기(COMP1)와, 상기 비교기(COMP1)의 일측단자에 접속되어 기준전압을 설정하는 제너다이오드(ZD1)와, 상기 비교기(COMP1)의 출력단에 접속되어 경보를 발생하는 신호를 출력하는 트랜지스터(Q)로 구성됨을 특징으로 하는 전압전환 경보장치.The voltage change detection unit 40 includes a resistor (R41, R42) for distributing the voltage output from the power input unit 10, the voltage output from the resistor (R41, R42) and the reference voltage A comparator COMP1 to compare, a Zener diode ZD1 connected to one terminal of the comparator COMP1 to set a reference voltage, and a transistor connected to an output terminal of the comparator COMP1 to output a signal for generating an alarm. Voltage switching alarm device characterized in that consisting of (Q). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950014131A 1995-05-31 1995-05-31 Voltage changeover alarm KR960043448A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950014131A KR960043448A (en) 1995-05-31 1995-05-31 Voltage changeover alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950014131A KR960043448A (en) 1995-05-31 1995-05-31 Voltage changeover alarm

Publications (1)

Publication Number Publication Date
KR960043448A true KR960043448A (en) 1996-12-23

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ID=66587689

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950014131A KR960043448A (en) 1995-05-31 1995-05-31 Voltage changeover alarm

Country Status (1)

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KR (1) KR960043448A (en)

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