KR950012994A - High efficiency dc converter - Google Patents

High efficiency dc converter Download PDF

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Publication number
KR950012994A
KR950012994A KR1019930022131A KR930022131A KR950012994A KR 950012994 A KR950012994 A KR 950012994A KR 1019930022131 A KR1019930022131 A KR 1019930022131A KR 930022131 A KR930022131 A KR 930022131A KR 950012994 A KR950012994 A KR 950012994A
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KR
South Korea
Prior art keywords
circuit
switch
main switching
transistor
output
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Application number
KR1019930022131A
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Korean (ko)
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KR960008907B1 (en
Inventor
최학기
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최학기
주식회사 성원전자
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Priority to KR93022131A priority Critical patent/KR960008907B1/en
Publication of KR950012994A publication Critical patent/KR950012994A/en
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Publication of KR960008907B1 publication Critical patent/KR960008907B1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)

Abstract

본 발명은 직류 전류를 공급하는 직류변환장치에 관한 것이다. 더욱 구체적으로 모든 전자 제품, 특히 원격 제어 방식의 전자 제품에도 간편하게 적용할 수 있는 직류변환장치에 관한 것이다.The present invention relates to a direct current converter for supplying a direct current. More specifically, the present invention relates to a direct current converter that can be easily applied to all electronic products, in particular, remote control electronic products.

본 발명의 교효율 직류 변환 장치는, (+)전압이 공급되는 주 스위칭 트랜지스터(Q1)과 (-)전압이 공급되는 주 스위칭 트랜지스터(Q2)와, 상기 주 스위칭 트랜지스터(Q1,Q2)사이에 연결되는 주 트랜지스터(T1)와, 구동 트랜지스터(T2)와, 상기 구동 트랜지스터(T2)와 연결된 구동량 조절회로(4), 콘덴서(C8) 및 제1스위치(SW1)로 구성되는 정궤환 회로(2)와, 제1출력(output;P1)의 부하 전압 검출신호가 입력되는 단안정 멀티바이브레이터(6)와, 상기 단안정 멀티바이브레이터(6)에 의하여 제어되며, 구동량 조절회로(4)에 연결되는 제2스위치(SW2)와, 상기 정궤환 회로(2)의 권선(L5)으로부터 출력된 비안정 출력 전압을 입력하여 안정된 정전압으로 출력하는 레귤레이터 IC(8)와, 과부하 및 과전류가 걸렸을 때 주 스위칭 구동회로를 정지시키기 위하여 스위치(SW1)를 개방상태로 트리거시키기 위한 SCR소자(TH1)로 구성되는 것을 특징으로 한다.The inefficient DC converter of the present invention includes a main switching transistor Q1 supplied with a positive voltage, a main switching transistor Q2 supplied with a negative voltage, and a main switching transistor Q1, Q2. Positive feedback circuit composed of a main transistor (T1), a driving transistor (T2) to be connected, a driving amount control circuit (4), a capacitor (C8) and a first switch (SW1) connected to the driving transistor (T2) ( 2), the monostable multivibrator 6 into which the load voltage detection signal of the first output P1 is input, and the monostable multivibrator 6 are controlled and supplied to the drive amount adjusting circuit 4. When the second switch SW2 to be connected, the regulator IC 8 which inputs the unstable output voltage output from the winding L5 of the positive feedback circuit 2 and outputs it at a stable constant voltage, and when an overload and an overcurrent are applied To stop the main switching drive circuit, switch SW1 is opened. It characterized in that the device consists of a SCR (TH1) for trigger.

Description

고효율 직류 변환 장치.High efficiency DC converter.

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

제1도는 본 발명의 고효율 직류 변환 장치의 블럭 회로도.1 is a block circuit diagram of a high efficiency DC converter of the present invention.

제2도는 본 발명의 고효율 직류 변환 장치의 상세 회로도.2 is a detailed circuit diagram of the high efficiency DC converter of the present invention.

Claims (4)

직류 변환 장치에 있어서, (+) 전압이 공급되는 주 스위칭 트랜지스터(Q1)와(-)전압이 공급되는 주 스위칭 트랜지스터(Q2)와, 상기 주 스위칭 트랜지스터(Q1,Q2) 사이에 연결되는 주 트랜스포머(T1)와, 구동 트랜지스터(T2)와, 상기 구동 트랜스포머(T2)와 연결된 구동량 조절회로(4), 콘덴서(C8) 및 제1스위치(SW1)로 구성되는 정궤환 회로(2)와, 제1출력(output : P1)의 부하 전압 검출 신호가 입력되는 단안정 멀티바이브레이터(6)와, 상기 단안정 멀티바이브레이터(6)에 의하여 제어되며, 구동량 조절회로(4)에 연결되는 제2스위치(SW2)와, 상기 정궤환 회로(2)의 권선(L5)으로부터 출력된 비안정 출력 전압을 입력하여 안정된 정전압으로 출력하는 레귤레이터 IC(8)와, 과부하 및 과전류가 걸렸을 때 주 스위칭 구동회로를 정지시키기 위하여 스위치(SW1)를 개방상태로 트리거시키기 위한 SCR 소자(TH1)로 구성되는 것을 특징으로 하는 고효율직류 변환 장치.In the DC converter, a main switching transistor Q1 supplied with a positive voltage and a main switching transistor Q2 supplied with a negative voltage and a main transformer connected between the main switching transistors Q1 and Q2 are supplied. (T1), a drive transistor (T2), a positive feedback circuit (2) consisting of a drive amount control circuit (4), a capacitor (C8) and a first switch (SW1) connected to the drive transformer (T2), A second stable multivibrator 6 to which a load voltage detection signal of a first output P1 is input, and a second stable multivibrator 6 controlled by the monostable multivibrator 6 and connected to a driving amount adjusting circuit 4; A regulator IC 8 that inputs a switch SW2, an unstable output voltage output from the winding L5 of the positive feedback circuit 2, and outputs a stable constant voltage; and a main switching drive circuit when an overload and an overcurrent are applied. When the switch SW1 is triggered in the open state to stop the A high efficiency DC converter, comprising: an SCR element (TH1) for turning. 제1항에 있어서, 주 스위칭 회로가 오프된 상태하에서는 대기용 전원을 항시 출력할 수 있도록, 1차측에 저항(R1), 콘덴서(C1) 및 다이악(D4)로 구성된 발진 회로와, 상기 발진 출력을 정류하기 위한 다이오드(D8) 및 평활용 콘덴서(C12)를 2차측에 설치한 것을 특징으로 하는 고효율 직류 변환 장치.The oscillation circuit according to claim 1, wherein the oscillation circuit comprising a resistor (R1), a condenser (C1), and a diaak (D4) on the primary side so that the standby power can be always output when the main switching circuit is turned off. A high efficiency direct current conversion device comprising a diode (D8) and a smoothing capacitor (C12) for rectifying the output on the secondary side. 제1항에 있어서, 제1스위치(SW1)가 트랜지스터(Q7)와 다이오드(D7)의 병렬 회로로서, 절연부(2차측)에 설치된 것을 특징으로 하는 고효율 직류 변환 장치.The high efficiency direct current conversion device according to claim 1, wherein the first switch (SW1) is a parallel circuit of the transistor (Q7) and the diode (D7), and is provided in an insulating section (secondary side). 제1항에 있어서, 제2스위치(SW2)가 트랜지스터(Q5)인 것을 특징으로 고효율 직류 변환 장치.The high efficiency direct current converter according to claim 1, wherein the second switch (SW2) is a transistor (Q5). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR93022131A 1993-10-23 1993-10-23 High efficiency dc converter KR960008907B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR93022131A KR960008907B1 (en) 1993-10-23 1993-10-23 High efficiency dc converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR93022131A KR960008907B1 (en) 1993-10-23 1993-10-23 High efficiency dc converter

Publications (2)

Publication Number Publication Date
KR950012994A true KR950012994A (en) 1995-05-17
KR960008907B1 KR960008907B1 (en) 1996-07-05

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KR93022131A KR960008907B1 (en) 1993-10-23 1993-10-23 High efficiency dc converter

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KR960008907B1 (en) 1996-07-05

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