KR100916144B1 - 고압방전등용 음향공명 제거회로 - Google Patents
고압방전등용 음향공명 제거회로 Download PDFInfo
- Publication number
- KR100916144B1 KR100916144B1 KR1020080010714A KR20080010714A KR100916144B1 KR 100916144 B1 KR100916144 B1 KR 100916144B1 KR 1020080010714 A KR1020080010714 A KR 1020080010714A KR 20080010714 A KR20080010714 A KR 20080010714A KR 100916144 B1 KR100916144 B1 KR 100916144B1
- Authority
- KR
- South Korea
- Prior art keywords
- circuit
- voltage
- oscillation
- output
- discharge lamp
- Prior art date
Links
- 230000010355 oscillation Effects 0.000 claims abstract description 35
- 239000000872 buffer Substances 0.000 claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Images
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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
-
- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/02—Details
-
- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
Claims (1)
- 전원공급용 SMPS를 포함하는 고압방전등용 전자식 안정기에 구비되며, 고압방전등인 램프에서의 음향공명현상을 제거하는데 사용되는 고압방전등용 음향공명 제거회로에 있어서,상기 안정기에 구비되는 전원공급용 SMPS의 출력단에 전압분배를 위한 2개의 저항(R1)(R2)을 연결하고 상기 저항 R2에 커패시터(C1)를 병렬 연결하며;상기 R1과 R2의 저항 사이에 제1슈미트리거 인버터(U2A) 및 제2슈미트리거 인버터(U3A)의 연속 배열에 의한 발진판단회로(10)를 연결하며;상기 발진판단회로(10)의 제2슈미트리거 인버터(U3A) 출력신호에 따라 공급전압(Vcc)을 인가받도록 발진회로(20)를 구비하되, 이 발진회로(20)는 제2슈미트리거 인버터가 High신호를 발생시 제2슈미트리거 인버터로부터 공급전압을 인가받도록 제3슈미트리거 인버터(U4A)가 연결되고 상기 제3슈미트리거 인버터(U4A)에 저항(R3) 및 커패시터(C2)를 연결하여 구성하며;상기 발진회로(20)의 출력전압을 입력받는 제1버퍼(U5A)를 연결하고 상기 제1버퍼(U5A)의 출력단에 전압분배 후 충방전을 행하면서 최종 공급전압(Voffset)을 출력하도록 2개의 저항(R4)(R5)과 커패시터(C3) 및 제2버퍼(U6A)를 연결하며;상기 제2버퍼(U6A)를 통과한 최종 공급전압(Voffset)은 주파수가변회로(30)를 통하여 안정기에 구비되는 램프구동용 드라이브IC(U1)에 인가되게 구성하되, 상기 주파수가변회로(30)는 최종 공급전압을 입력받아 신호를 증폭 발진시키도록 트랜지스터(Q6)를 구비하고 이 트랜지스터(Q6)의 출력측에 다이오드(D6)를 연결하여 램프구동용 드라이브IC(U1)측으로 신호흐름을 유도하며 이 다이오드(D6)의 출력측에 커패시터(Ct) 및 저항(Rt)을 연결하여 주파수를 가변한 후 램프구동용 드라이브IC(U1)에 인가되도록 구성한 것을 특징으로 하는 고압방전등용 음향공명 제거회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080010714A KR100916144B1 (ko) | 2008-02-01 | 2008-02-01 | 고압방전등용 음향공명 제거회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080010714A KR100916144B1 (ko) | 2008-02-01 | 2008-02-01 | 고압방전등용 음향공명 제거회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090084497A KR20090084497A (ko) | 2009-08-05 |
KR100916144B1 true KR100916144B1 (ko) | 2009-09-08 |
Family
ID=41205044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080010714A KR100916144B1 (ko) | 2008-02-01 | 2008-02-01 | 고압방전등용 음향공명 제거회로 |
Country Status (1)
Country | Link |
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KR (1) | KR100916144B1 (ko) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1064688A (ja) | 1996-08-22 | 1998-03-06 | Minebea Co Ltd | 高輝度放電灯点灯装置 |
JP2007317637A (ja) | 2006-04-27 | 2007-12-06 | Iwasaki Electric Co Ltd | 高圧放電灯点灯装置 |
-
2008
- 2008-02-01 KR KR1020080010714A patent/KR100916144B1/ko not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1064688A (ja) | 1996-08-22 | 1998-03-06 | Minebea Co Ltd | 高輝度放電灯点灯装置 |
JP2007317637A (ja) | 2006-04-27 | 2007-12-06 | Iwasaki Electric Co Ltd | 高圧放電灯点灯装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20090084497A (ko) | 2009-08-05 |
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