JP2005235606A - 放電灯点灯装置 - Google Patents
放電灯点灯装置 Download PDFInfo
- Publication number
- JP2005235606A JP2005235606A JP2004043908A JP2004043908A JP2005235606A JP 2005235606 A JP2005235606 A JP 2005235606A JP 2004043908 A JP2004043908 A JP 2004043908A JP 2004043908 A JP2004043908 A JP 2004043908A JP 2005235606 A JP2005235606 A JP 2005235606A
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- Prior art keywords
- transformer
- discharge lamp
- voltage
- igniter
- magnetic
- 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.)
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- Circuit Arrangements For Discharge Lamps (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
【解決手段】 絶縁性の筐体41内に構成されたソケット18に、HIDバルブ19の口金に直接嵌合できる形状となっている。破線で示す部分はトランスTRが配置される部分を示し、トランスTRが配置される部分を除く筐体41には磁束を遮蔽する磁気シールド材42(網掛けの部分)を筐体41の内部もしくは外部に取り付ける。磁気シールド材42は、イグナイタ17のトランスTR部分を除く位置のみに配置される。これで磁気シールド材42による磁束の吸収を抑えることができることから、トランスTRに基づく昇圧への影響を極力抑えてHIDバルブ19を点灯するのに十分な高いパルス電圧を得ることができる。
【選択図】 図4
Description
15 インバータ
161〜163 給電線
17 イグナイタ
18 ソケット
19 HIDバルブ
211〜213 接続端子
TR トランス
41 筐体
42,421 磁気シールド材
Claims (1)
- 高パルス電圧を発生させ高圧放電灯の点灯を行うための放電灯点灯装置において、
前記高圧放電灯に印加して放電を促す前記高パルス電圧を生成するイグナイタが収納された絶縁性の筐体に、前記イグナイタを構成するトランスの主磁束が通過する部分を除き磁気シールド材で遮蔽したことを特徴する放電灯点灯装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004043908A JP4435598B2 (ja) | 2004-02-20 | 2004-02-20 | 放電灯点灯装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004043908A JP4435598B2 (ja) | 2004-02-20 | 2004-02-20 | 放電灯点灯装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005235606A true JP2005235606A (ja) | 2005-09-02 |
JP4435598B2 JP4435598B2 (ja) | 2010-03-17 |
Family
ID=35018333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004043908A Expired - Fee Related JP4435598B2 (ja) | 2004-02-20 | 2004-02-20 | 放電灯点灯装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4435598B2 (ja) |
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2004
- 2004-02-20 JP JP2004043908A patent/JP4435598B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP4435598B2 (ja) | 2010-03-17 |
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