KR200314000Y1 - 고압방전등용 자기식 안정기의 단락 보호회로 - Google Patents
고압방전등용 자기식 안정기의 단락 보호회로 Download PDFInfo
- Publication number
- KR200314000Y1 KR200314000Y1 KR20-2003-0005332U KR20030005332U KR200314000Y1 KR 200314000 Y1 KR200314000 Y1 KR 200314000Y1 KR 20030005332 U KR20030005332 U KR 20030005332U KR 200314000 Y1 KR200314000 Y1 KR 200314000Y1
- Authority
- KR
- South Korea
- Prior art keywords
- input
- ballast
- short circuit
- power
- capacitor
- 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.)
- Ceased
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims 2
- 238000009499 grossing Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000002950 deficient Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
Classifications
-
- 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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
- H05B41/288—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2921—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2926—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions
-
- 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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
- H05B41/288—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/2881—Load circuits; Control thereof
-
- 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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
- H05B41/288—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2921—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2925—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
Claims (3)
- AC입력전원으로부터 펄스전압을 발생하여 램프에 인가함으로써 고압방전등을 점등하는 작용을 하는 이그나이터수단을 포함하는 고압방전등용 자기식 안정기에 부가되는 회로로서,상기 이그나이터수단을 포함하는 안정기의 출력양단이 단락상태인지를 감지하는 단락감지수단,상기 단락감지수단의 감지신호에 따라, 단락상태로 감지된 경우에는 전원입력부에 입력되는 전압을 차단하고, 단락상태가 아닌 것으로 감지된 경우에는 입력전원을 연결하는 입력단속수단을 포함하는데,상기 입력단속수단은,상기 안정기의 입력양단에 연결된 콘덴서 C10의 충전전압을 전기적으로 절연된 상태로 전달받는 포토커플러 PC3와; 상기 PC3의 출력에 의해 게이트제어되어 턴온/오프되며 애노드극은 릴레이 RL1의 솔레노이드를 통해 전원입력부의 한 선에 연결되고 캐소드극은 전원입력부의 다른 한 선에 연결되는 SCR소자 Q1과; 상기 RL1의 솔레노이드에 의해 동작하며 상기 PC3으로부터 출력된 신호에 의해 Q1이 턴온된 경우에는 입력전원을 전원선에 공급하지 않도록 차단하고, Q1이 턴오프된 경우에는 입력전원을 전원선에 연결하는 릴레이 스위치 SW를 포함하는 것을 특징으로 하는, 고압방전등용 안정기의 단락 보호회로.
- 제1항에 있어서, 상기 입력단속수단은상기 포토커플러 PC3 내부의 트랜지스터에 전압을 공급하기 위하여 입력전원을 정류하여 평활하는 다이오드 D1,D2,D3,D4 및 콘덴서 C2와 제너다이오드 ZD1를 추가로 포함하는 것을 특징으로 하는, 고압방전등용 안정기의 단락 보호회로.
- 제1항에 있어서, 상기 단락감지수단은,상기 안정기의 출력양단에 연결된 콘덴서 C12와,베이스가 상기 콘덴서 C12의 충전전압을 입력받도록 연결되어, 상기 콘덴서 C12에 충전전압이 없으면 상기 PC3을 동작시키고, 상기 콘덴서 C12에 충전전압이 있으면 상기 PC3을 동작시키지 않도록 연결된 트랜지스터 Q5를 포함하는 것을 특징으로 하는 고압방전등용 안정기의 단락 보호회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20-2003-0005332U KR200314000Y1 (ko) | 2003-02-24 | 2003-02-24 | 고압방전등용 자기식 안정기의 단락 보호회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20-2003-0005332U KR200314000Y1 (ko) | 2003-02-24 | 2003-02-24 | 고압방전등용 자기식 안정기의 단락 보호회로 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2003-0001691A Division KR100452341B1 (ko) | 2003-01-10 | 2003-01-10 | 고압방전등용 자기식 안정기의 단락 보호회로 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR200314000Y1 true KR200314000Y1 (ko) | 2003-05-22 |
Family
ID=49333965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR20-2003-0005332U Ceased KR200314000Y1 (ko) | 2003-02-24 | 2003-02-24 | 고압방전등용 자기식 안정기의 단락 보호회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR200314000Y1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101009669B1 (ko) | 2004-03-31 | 2011-01-19 | 엘지디스플레이 주식회사 | 액정표시장치용 백라이트 유닛 |
CN109302773A (zh) * | 2018-11-15 | 2019-02-01 | 常州格林照明股份有限公司 | 一种led投光灯驱动电路 |
-
2003
- 2003-02-24 KR KR20-2003-0005332U patent/KR200314000Y1/ko not_active Ceased
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101009669B1 (ko) | 2004-03-31 | 2011-01-19 | 엘지디스플레이 주식회사 | 액정표시장치용 백라이트 유닛 |
CN109302773A (zh) * | 2018-11-15 | 2019-02-01 | 常州格林照明股份有限公司 | 一种led投光灯驱动电路 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9942955B2 (en) | LED lamp using switching circuit | |
US20140009076A1 (en) | Straight tube led illumination lamp | |
JP6502375B2 (ja) | 蛍光灯互換タイプのled照明装置とそのための感電保護装置 | |
US7102297B2 (en) | Ballast with end-of-lamp-life protection circuit | |
EP1665904A1 (en) | Ballast with lampholder arc protection | |
KR100452341B1 (ko) | 고압방전등용 자기식 안정기의 단락 보호회로 | |
KR200314000Y1 (ko) | 고압방전등용 자기식 안정기의 단락 보호회로 | |
US6504318B1 (en) | Supply coupling of a fluorescent lamp | |
KR200168319Y1 (ko) | 비상구 유도등 점등제어장치 | |
KR20000063467A (ko) | 비상등 안정기 회로 | |
KR100452342B1 (ko) | 고압방전등용 자기식 안정기의 무부하 보호회로 | |
KR100447796B1 (ko) | 방전등용 안정기의 자기진단 점등 회로 | |
KR200160956Y1 (ko) | 가로등 점등장치의 이상여부 표시회로 | |
KR100726021B1 (ko) | 절환부를 구비한 형광등 안정기 | |
KR101441061B1 (ko) | 고압 방전등용 안정기 | |
KR200157198Y1 (ko) | 가로등 점등장치 | |
KR200213362Y1 (ko) | 방전등용안정기 | |
KR101039867B1 (ko) | 정전력형 안정기 회로 | |
KR200243678Y1 (ko) | 가로등 방전등과 안정기의 이상여부 표시회로 | |
CN103428978B (zh) | 灯具驱动电路及使用该电路的灯具 | |
KR200313999Y1 (ko) | 고압방전등용 자기식 안정기의 무부하 보호회로 | |
KR200339198Y1 (ko) | 고압방전등의 안정기 보호회로 | |
KR100320060B1 (ko) | 과전압 보호회로를 갖는 형광등용 전자식 안정기 | |
KR200254339Y1 (ko) | 에이치아이디 램프 장치 | |
KR200296241Y1 (ko) | 가로등 점등장치의 이상 여부 감시장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
U107 | Dual application of utility model | ||
UA0107 | Dual application for utility model registration |
Comment text: Dual Application of Utility Model Registration Patent event date: 20030224 Patent event code: UA01011R07D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 20030509 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 1 Payment date: 20030225 |
|
UG1601 | Publication of registration | ||
T201 | Request for technology evaluation of utility model | ||
UT0201 | Request for technical evaluation |
Patent event date: 20031118 Comment text: Request for Technology Evaluation of Utility Model Patent event code: UT02011R01D |
|
UR1001 | Payment of annual fee |
Payment date: 20040409 Start annual number: 2 End annual number: 3 |
|
T701 | Written decision to grant on technology evaluation | ||
UT0701 | Decision on maintenance of utility model |
Patent event date: 20040429 Comment text: Written Decision on Result of Technology Evaluation Patent event code: UT07011S01D |
|
EXTG | Ip right invalidated | ||
UC2102 | Extinguishment |