KR100470599B1 - 전자기기의 회로를 보호할 수 있는 전원공급장치 - Google Patents
전자기기의 회로를 보호할 수 있는 전원공급장치 Download PDFInfo
- Publication number
- KR100470599B1 KR100470599B1 KR10-2002-0063108A KR20020063108A KR100470599B1 KR 100470599 B1 KR100470599 B1 KR 100470599B1 KR 20020063108 A KR20020063108 A KR 20020063108A KR 100470599 B1 KR100470599 B1 KR 100470599B1
- Authority
- KR
- South Korea
- Prior art keywords
- power
- electronic device
- transistor
- circuit
- control unit
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/125—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers
- H02H7/1252—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers responsive to overvoltage in input or output, e.g. by load dump
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
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- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0006—Arrangements for supplying an adequate voltage to the control circuit of converters
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0083—Converters characterised by their input or output configuration
- H02M1/009—Converters characterised by their input or output configuration having two or more independently controlled outputs
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
Abstract
Description
Claims (9)
- 외부로부터 공급되는 교류전원을 정류하여 제1직류전원 및 제2직류전원을 출력하는 정류부;상기 제1직류전원을 승압하여 전자기기의 회로에 공급하는 주전원변압부;상기 제2직류전원에 의해 구동되며, 상기 제2직류전원이 수신되면 상기 제1직류전원이 승압되도록 상기 주전원변압부를 동작시키는 스위칭조정부; 및상기 스위칭조정부에 대한 상기 제2직류전원의 공급여부를 제어하는 제어부;를 포함하며,상기 제어부는 상기 전자기기의 회로에 공급되는 전원을 감지하며, 감지된 상기 전원이 소정치 이상으로 상승하면 상기 스위칭조정부에 대한 상기 제2직류전원의 공급을 차단하는 것을 특징으로 하는 전원공급장치.
- 제 1항에 있어서,상기 제어부는 감지된 상기 전원이 단락되면 상기 스위칭조정부에 대한 상기 제2직류전원의 공급을 차단하는 것을 특징으로 하는 전원공급장치.
- 제 2항에 있어서,상기 제2직류전원을 승압하는 보조전원변압부; 및상기 보조전원변압부에 의해 승압된 상기 제2직류전원을 상기 제어부의 출력신호에 따라 상기 스위칭조정부에 공급하는 포토 커플러;를 더 포함하는 것을 특징으로 하는 전원공급장치.
- 제 3항에 있어서, 상기 제어부는,상기 스위칭조정부에 대한 상기 제2직류전원의 공급여부를 결정하는 트랜지스터;를 포함하는 것을 특징으로 하는 전원공급장치.
- 제 4항에 있어서,상기 트랜지스터는 이미터단이 접지되고, 컬렉터단이 상기 포토 커플러의 발광다이오드의 입력단과 연결되며, 베이스단이 상기 전자기기의 입력단과 연결되는 것을 특징으로 하는 전원공급장치.
- 제 5항에 있어서,상기 트랜지스터는 NPN형 트랜지스터로 구현되는 것을 특징으로 하는 전원공급장치.
- 제 6항에 있어서, 상기 제어부는,상기 트랜지스터의 베이스단 및 상기 전자기기의 입력단 사이에 위치되며, 상기 전자기기의 입력단으로 입력되는 상기 제1직류전원이 소정치 이상인 경우에 상기 트랜지스터를 턴-온 시키는 제너다이오드;를 더 포함하는 것을 특징으로 하는 전원공급장치.
- 제 7항에 있어서, 상기 제어부는,상기 트랜지스터의 컬렉터단과 상기 전자기기의 입력단 사이에 연결되며, 상기 전자기기의 입력단이 단락된 경우에 상기 스위칭조정부에 공급되는 상기 제2직류전원을 차단하는 다이오드;를 더 포함하는 것을 특징으로 하는 전원공급장치.
- 제 8항에 있어서, 상기 제어부는,일단이 상기 전자기기의 입력단과 연결되며, 타단이 접지된 적어도 둘 이상의 전압분배저항;을 더 포함하며,상기 전압분배저항에 인가된 전압에 기초하여 상기 전자기기에 공급되는 전원을 감지하는 것을 특징으로 하는 전원공급장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0063108A KR100470599B1 (ko) | 2002-10-16 | 2002-10-16 | 전자기기의 회로를 보호할 수 있는 전원공급장치 |
JP2003355135A JP4213556B2 (ja) | 2002-10-16 | 2003-10-15 | 電子機器の回路が保護可能な電源供給装置 |
CNB200310101221XA CN1271777C (zh) | 2002-10-16 | 2003-10-15 | 可以保护电器电路的电源 |
US10/685,564 US6975523B2 (en) | 2002-10-16 | 2003-10-16 | Power supply capable of protecting electric device circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0063108A KR100470599B1 (ko) | 2002-10-16 | 2002-10-16 | 전자기기의 회로를 보호할 수 있는 전원공급장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040033835A KR20040033835A (ko) | 2004-04-28 |
KR100470599B1 true KR100470599B1 (ko) | 2005-03-10 |
Family
ID=32105588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0063108A Expired - Fee Related KR100470599B1 (ko) | 2002-10-16 | 2002-10-16 | 전자기기의 회로를 보호할 수 있는 전원공급장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6975523B2 (ko) |
JP (1) | JP4213556B2 (ko) |
KR (1) | KR100470599B1 (ko) |
CN (1) | CN1271777C (ko) |
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Citations (5)
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JPH0568329A (ja) * | 1991-09-10 | 1993-03-19 | Matsushita Electric Ind Co Ltd | 電源回路の保護装置 |
KR19980030301A (ko) * | 1996-10-29 | 1998-07-25 | 배순훈 | 모니터에 있어서 쇼트시 전원보호회로 |
KR19980024492U (ko) * | 1996-10-31 | 1998-07-25 | 배순훈 | 모니터의 스위칭 전원 보호 회로 |
JPH10210388A (ja) * | 1997-01-22 | 1998-08-07 | Victor Co Of Japan Ltd | テレビジョン受像機の電源回路 |
KR19980030033U (ko) * | 1996-11-28 | 1998-08-17 | 배순훈 | 모니터의 스위칭 전원 보호 회로 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS62144567A (ja) * | 1985-12-18 | 1987-06-27 | Fuji Electric Co Ltd | スイッチング電源保護回路 |
JPS63191886A (ja) * | 1987-02-04 | 1988-08-09 | Matsushita Electronics Corp | 蛍光体 |
JPS63274363A (ja) * | 1987-04-28 | 1988-11-11 | Toko Inc | スイツチング電源回路 |
JP2771936B2 (ja) * | 1993-05-27 | 1998-07-02 | 東北リコー株式会社 | 直流電源回路 |
US5956240A (en) * | 1996-11-15 | 1999-09-21 | Thomson Consumer Electronics, Inc. | Quick-reset circuit for auxiliary power supply |
JPH10336879A (ja) * | 1997-05-27 | 1998-12-18 | Funai Electric Co Ltd | スイッチング電源 |
US6181101B1 (en) * | 1999-03-12 | 2001-01-30 | Yazaki Corporation | Intelligent junction box |
DE19942023A1 (de) * | 1999-09-03 | 2001-03-08 | Moeller Gmbh | Schaltungsanordnung für den Überspannungsschutz eines Leistungstransistors zur Steuerung einer induktiven Last |
US6775164B2 (en) * | 2002-03-14 | 2004-08-10 | Tyco Electronics Corporation | Three-terminal, low voltage pulse width modulation controller IC |
-
2002
- 2002-10-16 KR KR10-2002-0063108A patent/KR100470599B1/ko not_active Expired - Fee Related
-
2003
- 2003-10-15 JP JP2003355135A patent/JP4213556B2/ja not_active Expired - Fee Related
- 2003-10-15 CN CNB200310101221XA patent/CN1271777C/zh not_active Expired - Fee Related
- 2003-10-16 US US10/685,564 patent/US6975523B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0568329A (ja) * | 1991-09-10 | 1993-03-19 | Matsushita Electric Ind Co Ltd | 電源回路の保護装置 |
US5381294A (en) * | 1991-09-10 | 1995-01-10 | Matsushita Electric Industrial Co., Ltd. | Device for protecting power supply circuit |
KR19980030301A (ko) * | 1996-10-29 | 1998-07-25 | 배순훈 | 모니터에 있어서 쇼트시 전원보호회로 |
KR19980024492U (ko) * | 1996-10-31 | 1998-07-25 | 배순훈 | 모니터의 스위칭 전원 보호 회로 |
KR19980030033U (ko) * | 1996-11-28 | 1998-08-17 | 배순훈 | 모니터의 스위칭 전원 보호 회로 |
JPH10210388A (ja) * | 1997-01-22 | 1998-08-07 | Victor Co Of Japan Ltd | テレビジョン受像機の電源回路 |
Also Published As
Publication number | Publication date |
---|---|
US20040080961A1 (en) | 2004-04-29 |
CN1497829A (zh) | 2004-05-19 |
CN1271777C (zh) | 2006-08-23 |
KR20040033835A (ko) | 2004-04-28 |
US6975523B2 (en) | 2005-12-13 |
JP2004140367A (ja) | 2004-05-13 |
JP4213556B2 (ja) | 2009-01-21 |
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