KR100972368B1 - Led 램프 조도제어용 보호회로 - Google Patents
Led 램프 조도제어용 보호회로 Download PDFInfo
- Publication number
- KR100972368B1 KR100972368B1 KR1020100038409A KR20100038409A KR100972368B1 KR 100972368 B1 KR100972368 B1 KR 100972368B1 KR 1020100038409 A KR1020100038409 A KR 1020100038409A KR 20100038409 A KR20100038409 A KR 20100038409A KR 100972368 B1 KR100972368 B1 KR 100972368B1
- Authority
- KR
- South Korea
- Prior art keywords
- power
- transistor
- led
- constant current
- led lamp
- Prior art date
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/345—Current stabilisation; Maintaining constant current
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/395—Linear regulators
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
- H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/395—Linear regulators
- H05B45/397—Current mirror circuits
-
- 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
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Abstract
Description
도 2는 기존 커런터미러를 사용한 정전류회로
도 3은 본 발명의 디밍용 LED 컨버터 보호회로
도 4은 본 발명의 디밍용 LED 컨버터 보호회로(부하가변시)
3: 정전류생성부 4: 구동전력 출력부
5. LED 모듈 부하부
Claims (1)
- 전원보호장치인 휴즈와 전원 노이즈 필터인 인덕터로 구성된 입력전원필터부(1);
상기 입력전원필터부에 연결되어 AC전원을 정류하는 정류부(2);
이미터가 부하단에 연결되고 베이스가 제 2트랜지스터(Q2)의 이미터에 연결되며 컬렉터가 제 2트랜지스터의 베이스에 연결되는 제 1트랜지스터(Q1)와, 이미터가 제 1트랜지스터(Q1)의 베이스에 연결되고 베이스가 제 1트랜지스터의 컬렉터에 연결되며 컬렉터가 직류전원의 일단에 연결되는 제 2트랜지스터(Q2)와, 제 1트랜지스터의 이미터와 베이스사이에 연결된 바이어스저항(R2)와, 제 2트랜지스터의 베이스와 컬렉터사이에 연결된 바이어스 저항(R1)으로 구성된 정전류소자들이 병렬로 연결되어 구성된 정전류생성부(3); 및
상기 정전류생성부의 양 단자에 각각 직렬로 연결된 저항(R14,R15) 및 병렬로 연결된 콘덴서(C3)로 구성된 구동전력출력부(4)를 포함하는 것을 특징으로 하는 LED 램프 조도제어용 보호회로.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100038409A KR100972368B1 (ko) | 2010-04-26 | 2010-04-26 | Led 램프 조도제어용 보호회로 |
PCT/KR2011/002776 WO2011136495A2 (ko) | 2010-04-26 | 2011-04-19 | Led 램프 조도제어용 보호회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100038409A KR100972368B1 (ko) | 2010-04-26 | 2010-04-26 | Led 램프 조도제어용 보호회로 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100972368B1 true KR100972368B1 (ko) | 2010-07-26 |
Family
ID=42646013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020100038409A KR100972368B1 (ko) | 2010-04-26 | 2010-04-26 | Led 램프 조도제어용 보호회로 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR100972368B1 (ko) |
WO (1) | WO2011136495A2 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101424245B1 (ko) * | 2012-08-11 | 2014-08-13 | (주)참슬테크 | 멀티 디밍 제어를 수행하는 조명 제어시스템 및 멀티 디밍 제어방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105766066B (zh) | 2013-11-26 | 2019-09-20 | Lg伊诺特有限公司 | 用于led照明的电力供应装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0535352A (ja) * | 1991-07-30 | 1993-02-12 | Sharp Corp | 定電流回路 |
JPH05131681A (ja) * | 1991-11-07 | 1993-05-28 | Minolta Camera Co Ltd | Ledアレイ装置 |
KR100456194B1 (ko) | 2004-01-02 | 2004-11-09 | (주)태진기술 | 정전압 발생회로 |
KR20050017617A (ko) * | 2003-08-01 | 2005-02-22 | (주)에프씨아이 | 지능형 전력증폭기의 바이어스 회로 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05299739A (ja) * | 1992-04-24 | 1993-11-12 | Tokyo Electron Ltd | 発光素子の保護回路 |
KR100845305B1 (ko) * | 2007-02-07 | 2008-07-10 | (주)매크로웨이 테크놀러지 | 엘이디 조명 제어장치 및 그 방법 |
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2010
- 2010-04-26 KR KR1020100038409A patent/KR100972368B1/ko active IP Right Grant
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2011
- 2011-04-19 WO PCT/KR2011/002776 patent/WO2011136495A2/ko active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0535352A (ja) * | 1991-07-30 | 1993-02-12 | Sharp Corp | 定電流回路 |
JPH05131681A (ja) * | 1991-11-07 | 1993-05-28 | Minolta Camera Co Ltd | Ledアレイ装置 |
KR20050017617A (ko) * | 2003-08-01 | 2005-02-22 | (주)에프씨아이 | 지능형 전력증폭기의 바이어스 회로 |
KR100456194B1 (ko) | 2004-01-02 | 2004-11-09 | (주)태진기술 | 정전압 발생회로 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101424245B1 (ko) * | 2012-08-11 | 2014-08-13 | (주)참슬테크 | 멀티 디밍 제어를 수행하는 조명 제어시스템 및 멀티 디밍 제어방법 |
Also Published As
Publication number | Publication date |
---|---|
WO2011136495A2 (ko) | 2011-11-03 |
WO2011136495A3 (ko) | 2011-12-29 |
WO2011136495A9 (ko) | 2012-03-01 |
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