JP4353293B2 - 交流電源装置 - Google Patents
交流電源装置 Download PDFInfo
- Publication number
- JP4353293B2 JP4353293B2 JP2007251728A JP2007251728A JP4353293B2 JP 4353293 B2 JP4353293 B2 JP 4353293B2 JP 2007251728 A JP2007251728 A JP 2007251728A JP 2007251728 A JP2007251728 A JP 2007251728A JP 4353293 B2 JP4353293 B2 JP 4353293B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- transformer
- discharge lamp
- secondary winding
- power supply
- 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.)
- Expired - Fee Related
Links
- 238000004804 winding Methods 0.000 claims description 124
- 239000003990 capacitor Substances 0.000 claims description 60
- 238000010586 diagram Methods 0.000 description 10
- 239000004973 liquid crystal related substance Substances 0.000 description 10
- 238000007796 conventional method Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- H05B41/14—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
- H05B41/282—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
- H05B41/2825—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 by means of a bridge converter in the final stage
- H05B41/2827—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 by means of a bridge converter in the final stage using specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Inverter Devices (AREA)
- Ac-Ac Conversion (AREA)
Description
P1〜P4 1次巻線
P5a,P5b,P6a,P6b 巻線
S1〜S4 2次巻線
C1〜C6 コンデンサ
Ca1〜Can,Cb1〜Cbn バラストコンデンサ
D1〜D4 ダイオード
Q1〜Q4 スイッチ素子
L1〜L4 リアクトル
L1r〜L4r リーケージインダクタンス
Q1g〜Q4g ゲート信号
Vina,Vinb 直流電源
1a〜1f インバータ基板
3a,3b, パネル
7−1〜7−n 放電灯
10,10a 制御回路
Claims (5)
- 直列に接続された第1スイッチ素子と第2スイッチ素子とからなる第1スイッチ手段を有し第1直流電源の直流電圧を前記第1スイッチ手段のオン/オフにより正負非対称波形の第1交流電圧を発生して負荷の一端に出力する第1交流電圧発生回路と、
直列に接続された第3スイッチ素子と第4スイッチ素子とからなる第2スイッチ手段を有し前記第1直流電源の直流電圧又は第2直流電源の直流電圧を前記第2スイッチ手段のオン/オフにより前記第1交流電圧に対して180度位相差を有する正負非対称波形の第2交流電圧を発生して前記負荷の他端に出力する第2交流電圧発生回路と、
前記第1スイッチ手段をオン/オフさせるとともに前記第1スイッチ手段のオン/オフに対して180度位相差を設けて前記第2スイッチ手段をオン/オフさせる制御回路とを備え、
前記負荷の両端電圧は正負対称波形の交流電圧であり、
各スイッチ素子は、ソフトスイッチング動作を行うことを特徴とする交流電源装置。 - 前記第1交流電圧発生回路は、前記第1スイッチ手段に接続される1次巻線と誘起される電圧を前記第1交流電圧として出力する2次巻線とを有する第1トランスを有し、
前記第2交流電圧発生回路は、前記第2スイッチ手段に接続される1次巻線と誘起される電圧を前記第2交流電圧として出力する2次巻線とを有する第2トランスを有することを特徴とする請求項1記載の交流電源装置。 - 前記第1交流電圧発生回路は、前記第1トランスの2次巻線と前記負荷の一端との間に接続された第1コンデンサを有し、
前記第2交流電圧発生回路は、前記第2トランスの2次巻線と前記負荷の他端との間に接続された第2コンデンサを有することを特徴とする請求項2記載の交流電源装置。 - 前記第1交流電圧発生回路は、前記第1トランスの2次巻線と前記負荷の一端との間に前記第1トランスの1次巻線及び2次巻線間のリーケージインダクタンスを有し、
前記第2交流電圧発生回路は、前記第2トランスの2次巻線と前記負荷の他端との間に前記第2トランスの1次巻線及び2次巻線間のリーケージインダクタンスを有することを特徴とする請求項2記載の交流電源装置。 - 前記第1交流電圧発生回路は、前記第1トランスの2次巻線と前記負荷の一端との間に接続された第1巻線を有し、
前記第2交流電圧発生回路は、前記第2トランスの2次巻線と前記負荷の他端との間に接続された第2巻線を有することを特徴とする請求項2記載の交流電源装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007251728A JP4353293B2 (ja) | 2007-09-27 | 2007-09-27 | 交流電源装置 |
PCT/JP2008/066321 WO2009041261A1 (ja) | 2007-09-27 | 2008-09-10 | 交流電源装置 |
CN200880105253A CN101796888A (zh) | 2007-09-27 | 2008-09-10 | 交流电源装置 |
KR1020107004565A KR20100039427A (ko) | 2007-09-27 | 2008-09-10 | 교류 전원 장치 |
US12/674,988 US20110103109A1 (en) | 2007-09-27 | 2008-09-10 | Ac power source apparatus |
TW097135316A TW200922102A (en) | 2007-09-27 | 2008-09-15 | AC power supply device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007251728A JP4353293B2 (ja) | 2007-09-27 | 2007-09-27 | 交流電源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009087552A JP2009087552A (ja) | 2009-04-23 |
JP4353293B2 true JP4353293B2 (ja) | 2009-10-28 |
Family
ID=40511150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007251728A Expired - Fee Related JP4353293B2 (ja) | 2007-09-27 | 2007-09-27 | 交流電源装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20110103109A1 (ja) |
JP (1) | JP4353293B2 (ja) |
KR (1) | KR20100039427A (ja) |
CN (1) | CN101796888A (ja) |
TW (1) | TW200922102A (ja) |
WO (1) | WO2009041261A1 (ja) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0619299U (ja) * | 1992-08-20 | 1994-03-11 | 株式会社エンプラス | 冷陰極管点灯装置 |
JP2004241136A (ja) * | 2003-02-03 | 2004-08-26 | Tdk Corp | 放電灯点灯装置及びその放電灯点灯装置を備えた表示装置 |
JP2005050701A (ja) * | 2003-07-29 | 2005-02-24 | Mitsubishi Electric Corp | 放電灯点灯装置 |
US7187139B2 (en) * | 2003-09-09 | 2007-03-06 | Microsemi Corporation | Split phase inverters for CCFL backlight system |
JP2006101639A (ja) * | 2004-09-29 | 2006-04-13 | Sanken Electric Co Ltd | スイッチング電源装置 |
US7309964B2 (en) * | 2004-10-01 | 2007-12-18 | Au Optronics Corporation | Floating drive circuit for cold cathode fluorescent lamp |
US7564193B2 (en) * | 2005-01-31 | 2009-07-21 | Intersil Americas Inc. | DC-AC converter having phase-modulated, double-ended, full-bridge topology for powering high voltage load such as cold cathode fluorescent lamp |
JP2008544740A (ja) * | 2005-06-21 | 2008-12-04 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ガス放電供給回路のインバータを駆動する方法 |
-
2007
- 2007-09-27 JP JP2007251728A patent/JP4353293B2/ja not_active Expired - Fee Related
-
2008
- 2008-09-10 CN CN200880105253A patent/CN101796888A/zh active Pending
- 2008-09-10 WO PCT/JP2008/066321 patent/WO2009041261A1/ja active Application Filing
- 2008-09-10 KR KR1020107004565A patent/KR20100039427A/ko not_active Application Discontinuation
- 2008-09-10 US US12/674,988 patent/US20110103109A1/en not_active Abandoned
- 2008-09-15 TW TW097135316A patent/TW200922102A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
US20110103109A1 (en) | 2011-05-05 |
KR20100039427A (ko) | 2010-04-15 |
WO2009041261A1 (ja) | 2009-04-02 |
JP2009087552A (ja) | 2009-04-23 |
CN101796888A (zh) | 2010-08-04 |
TW200922102A (en) | 2009-05-16 |
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