JP2008288170A - 照明装置 - Google Patents
照明装置 Download PDFInfo
- Publication number
- JP2008288170A JP2008288170A JP2007134687A JP2007134687A JP2008288170A JP 2008288170 A JP2008288170 A JP 2008288170A JP 2007134687 A JP2007134687 A JP 2007134687A JP 2007134687 A JP2007134687 A JP 2007134687A JP 2008288170 A JP2008288170 A JP 2008288170A
- Authority
- JP
- Japan
- Prior art keywords
- dielectric barrier
- barrier discharge
- lamp
- lamp current
- lamps
- 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.)
- Abandoned
Links
Images
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
- H05B41/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
【解決手段】並列に接続した複数(N本)の誘電体バリア放電ランプ2を備え、初期のランプ電流値lsに対して、条件式(N−1)/N≦le/lsを満たすエラー基準値leを設定する。検出されたランプ電流がエラー基準値leを下回るときには、不点の誘電体バリア放電ランプ2が存在することを検出する照明装置1を提供することが可能となる。
【選択図】図1
Description
2…誘電体バリア放電ランプ
3…点灯回路
4…ランプ電流検出部
10…光洗浄装置
Claims (1)
- 電気的に並列に接続された複数の誘電体バリア放電ランプと、
前記誘電体バリア放電ランプに高周波電圧を印加する点灯回路と、
前記誘電体バリア放電ランプのランプ電流の値を検出する電流検出回路と、
前記電流検出回路が検出したランプ電流値が条件式(N−1)/N≦le/ls(ここで誘電体バリア放電ランプの本数をN,全ての誘電体バリア放電ランプを点灯した時の初期ランプ電流値をlsとする)を満たすように設定された基準値leを下回ったときには、不点の誘電体バリア放電ランプが存在すると判定する検出手段と、
を有することを特徴とする照明装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007134687A JP2008288170A (ja) | 2007-05-21 | 2007-05-21 | 照明装置 |
TW097118136A TW200924565A (en) | 2007-05-21 | 2008-05-16 | Illumination device |
CNA200810100664XA CN101312608A (zh) | 2007-05-21 | 2008-05-20 | 照明装置 |
KR1020080046500A KR20080102979A (ko) | 2007-05-21 | 2008-05-20 | 조명 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007134687A JP2008288170A (ja) | 2007-05-21 | 2007-05-21 | 照明装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2008288170A true JP2008288170A (ja) | 2008-11-27 |
Family
ID=40100982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007134687A Abandoned JP2008288170A (ja) | 2007-05-21 | 2007-05-21 | 照明装置 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2008288170A (ja) |
KR (1) | KR20080102979A (ja) |
CN (1) | CN101312608A (ja) |
TW (1) | TW200924565A (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002158097A (ja) * | 2000-11-16 | 2002-05-31 | Tdk Corp | 放電灯点灯装置 |
JP2005174909A (ja) * | 2003-11-17 | 2005-06-30 | Harison Toshiba Lighting Corp | バックライトユニット |
-
2007
- 2007-05-21 JP JP2007134687A patent/JP2008288170A/ja not_active Abandoned
-
2008
- 2008-05-16 TW TW097118136A patent/TW200924565A/zh unknown
- 2008-05-20 CN CNA200810100664XA patent/CN101312608A/zh active Pending
- 2008-05-20 KR KR1020080046500A patent/KR20080102979A/ko not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002158097A (ja) * | 2000-11-16 | 2002-05-31 | Tdk Corp | 放電灯点灯装置 |
JP2005174909A (ja) * | 2003-11-17 | 2005-06-30 | Harison Toshiba Lighting Corp | バックライトユニット |
Also Published As
Publication number | Publication date |
---|---|
TW200924565A (en) | 2009-06-01 |
KR20080102979A (ko) | 2008-11-26 |
CN101312608A (zh) | 2008-11-26 |
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