KR900006841A - Power failure detection and power drop detection circuit for computer control system - Google Patents

Power failure detection and power drop detection circuit for computer control system Download PDF

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Publication number
KR900006841A
KR900006841A KR1019880013633A KR880013633A KR900006841A KR 900006841 A KR900006841 A KR 900006841A KR 1019880013633 A KR1019880013633 A KR 1019880013633A KR 880013633 A KR880013633 A KR 880013633A KR 900006841 A KR900006841 A KR 900006841A
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KR
South Korea
Prior art keywords
power
unit
battery
peripheral device
output
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KR1019880013633A
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Korean (ko)
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KR940007804B1 (en
Inventor
현운몽
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최근선
주식회사 금성사
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Priority to KR1019880013633A priority Critical patent/KR940007804B1/en
Publication of KR900006841A publication Critical patent/KR900006841A/en
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Publication of KR940007804B1 publication Critical patent/KR940007804B1/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Sources (AREA)

Abstract

내용 없음No content

Description

컴퓨터 제어시스템을 위한 정전방지 및 파워강하 검출회로Power failure detection and power drop detection circuit for computer control system

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

제 2 도는 본 발명 컴퓨터 전원전압검출 및 밧데리 자동충전의 회로도.2 is a circuit diagram of the computer power supply voltage detection and battery automatic charging of the present invention.

제 3 도는 본 발명 컴퓨터 제어 시스템에 대한 블록도.3 is a block diagram of a computer control system of the present invention.

제 4 도는 본 발명 컴퓨터의 파워강하 처리에 대한 신호흐름도.4 is a signal flow diagram for the power drop processing of the computer of the present invention.

Claims (2)

잡음제거부(21)를 통과한 입력교류전원(AC)이 스위칭 모우드파워 서플라이 (22), DC/DC변환기(23)를 통해 주변장치(31) 및 각 시스템에 구동전원을 인가하게한 컴퓨터전원회로에 있어서, 상기 잡음제거부(21)의 출력이 다이오드(D24), 콘덴서 ( C23)를 통해 직류로 변환된 후 상호 역구동하는 포토커플러(PC1), 트랜지스터(Q25)를 제어하여, 마이크로프로세서(29), 주변장치제어부(30)에 파워강하검출회로를 인가하게한 파워강화검출부(27)와, 상기 스위칭모우드파워 서플라이(22)의 출력이 비교기(CP21)를 통해 밧데리(BA1)의 출력전원과 비교된 후 연속구동하는 트랜지스터 (Q21), 전계효과트랜지스터(F21)를 구동하여 밧데리(BA1)의 충전을 자동제어하게한 밧데리자동충전부(24)와, 상기 밧데리(BA1)의 출력전원이 비교기(CP22)를 통해 설정기준전원과 비교된 후 트랜지스터(Q22)를 구동하여, 상기 주변장치제어부(30)에 밧데리 저전위검출신호를 인가하게한 밧데리 저전위검출부(25)와, 상기 주변장치제어부(30)로 부터의 파워오프신호가 상호역구동하는 트랜지스터(Q23)(Q24)를 통해 릴레이코일(RL)을 제어한 후 릴레이스위치(RS)를 제어하여, 상기 DC/DC변환기(23)의 입력전원을 차단하게한 1차전원단부(26)와, 상기 마이크로프로세서(51)의 출력이 메모리백업부(33)에 저장됨과 아울러 메모리(32)의 출력데이타로 상기 주변장치제어부(30)를 통해 주변장치(31)를 제어하게한 컴퓨터제어시스템부(34)를 구성하여 된 것을 특징으로 하는 컴퓨터제어시스템을 위한 정전방지 및 파워강화 검출회로.Computer AC power supplying AC power passing through the noise canceling unit 21 to apply the driving power to the peripheral device 31 and each system through the switching mode power supply 22 and the DC / DC converter 23. In the circuit, the output of the noise canceling unit 21 is converted to direct current through a diode (D 24 ), a capacitor (C 23 ) and then controls the photocoupler (PC 1 ) and the transistor (Q 25 ) which are driven backwards. The microprocessor 29, the power enhanced detection unit 27 for applying the power drop detection circuit to the peripheral device control unit 30, and the output of the switching mode power supply 22 are connected to the battery through the comparator CP 21 . and (BA 1) successive transistor (Q 21) for driving after being compared with the output power of the field-effect transistor (F 21) to the drive automatic control to a battery automatic charging unit 24 to charge the battery (BA 1), After the output power of the battery BA 1 is compared with the set reference power through the comparator CP 22 The battery low potential detection unit 25, which drives the transistor Q 22 to apply the battery low potential detection signal to the peripheral device control unit 30, and the power-off signal from the peripheral device control unit 30 are mutually related. After the relay coil RL is controlled through the reverse driving transistor Q 23 and Q 24 , the relay switch RS is controlled to cut off the input power of the DC / DC converter 23. The unit 26 and the output of the microprocessor 51 are stored in the memory backup unit 33 and the peripheral device 31 is controlled by the peripheral device control unit 30 with the output data of the memory 32. An electrostatic prevention and power enhancement detection circuit for a computer control system, characterized in that the computer control system unit 34 is configured. 제 1 항에 있어서, 상기 컴퓨터제어시스템부(34)는 순간 정전시 상기 마이크로프로세서(29)에 인터럽트가 발생하고, 밧데리의 과방전상태이면, 데이타를 상기 밧데리백업부(33)에 대피시키고, 정전상태이면, 상기 주변장치(31)의 동작중을 판별하여, 계속동작중이면, 사용자로부터 요구된 서비스를 수행한 후 상기 메모리백업부(33)에 데이타를 대피시키고, 일정시간후에도 계속정전상태이면, 시스템의 동작을 완전히 정지시키고, 전원이 회복되면, 밧데리 과방전상태를 판별하여, 과방전이면, 충전을 위한 시간을 딜레이한후 시스템을 재시작하는 것을 특징으로한 컴퓨터 제어시스템을 위한 정전방지 및 파워강하 검출회로.The computer control system 34 of claim 1, wherein the computer control system unit 34 interrupts the microprocessor 29 during a momentary power failure, and evacuates data to the battery backup unit 33 when the battery is in an over discharge state. In the case of a power failure state, the peripheral device 31 is determined to be in operation. If the operation continues, the memory backup unit 33 is evacuated after performing a service requested by the user. If it is, the operation of the system is completely stopped, and if the power is restored, the battery overdischarge state is determined. If the overdischarge is performed, the system is restarted after delaying the charging time and restarting the system. And a power drop detection circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880013633A 1988-10-19 1988-10-19 Power supervising circuit for computer system KR940007804B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880013633A KR940007804B1 (en) 1988-10-19 1988-10-19 Power supervising circuit for computer system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880013633A KR940007804B1 (en) 1988-10-19 1988-10-19 Power supervising circuit for computer system

Publications (2)

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KR900006841A true KR900006841A (en) 1990-05-09
KR940007804B1 KR940007804B1 (en) 1994-08-25

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KR1019880013633A KR940007804B1 (en) 1988-10-19 1988-10-19 Power supervising circuit for computer system

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010067593A (en) * 2001-02-19 2001-07-13 심건 The equipment with auto parking when power failure and auto start when recovered from power failure
KR20020026145A (en) * 2001-12-27 2002-04-06 윤수용 BioCure
KR100324310B1 (en) * 1998-04-13 2002-06-20 김영환 Reset circuit of micro computer
KR100461560B1 (en) * 2002-07-26 2004-12-10 주식회사 엘씨케이전자 Voltage Dip dictecting system of an alternating current supplied to PLC

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100324310B1 (en) * 1998-04-13 2002-06-20 김영환 Reset circuit of micro computer
KR20010067593A (en) * 2001-02-19 2001-07-13 심건 The equipment with auto parking when power failure and auto start when recovered from power failure
KR20020026145A (en) * 2001-12-27 2002-04-06 윤수용 BioCure
KR100461560B1 (en) * 2002-07-26 2004-12-10 주식회사 엘씨케이전자 Voltage Dip dictecting system of an alternating current supplied to PLC

Also Published As

Publication number Publication date
KR940007804B1 (en) 1994-08-25

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