JPH01101191U - - Google Patents
Info
- Publication number
- JPH01101191U JPH01101191U JP19530787U JP19530787U JPH01101191U JP H01101191 U JPH01101191 U JP H01101191U JP 19530787 U JP19530787 U JP 19530787U JP 19530787 U JP19530787 U JP 19530787U JP H01101191 U JPH01101191 U JP H01101191U
- Authority
- JP
- Japan
- Prior art keywords
- switching elements
- voltage
- pulsating
- discharge lamp
- lamp lighting
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Description
第1図乃至第3図は本考案の一実施例を示す構
成図、第4図は従来例を示す基本構成図、第5図
は他の従来例を示す概略構成図、第6図乃至び第
10図はそれぞれ更に異なる従来例を示す回路構
成図である。
1……交流電源、2……整流する装置、3,8
……高周波出力電圧を得る装置、4……金属製ケ
ース、55……非磁性体の金属製遮蔽板、A……
電力変換手段、Q1,Q2,Q3……複数のスイ
ツチング素子。
1 to 3 are block diagrams showing an embodiment of the present invention, FIG. 4 is a basic block diagram showing a conventional example, FIG. 5 is a schematic block diagram showing another conventional example, and FIGS. FIG. 10 is a circuit configuration diagram showing further different conventional examples. 1... AC power supply, 2... Rectifying device, 3, 8
...Device for obtaining high frequency output voltage, 4...Metal case, 55...Metal shielding plate made of non-magnetic material, A...
Power conversion means, Q1, Q2, Q3... multiple switching elements.
Claims (1)
電圧に整流する装置と、脈動直流電圧に結合され
複数のスイツチング素子により高周波出力電圧を
得る装置とを含んで成る電力変換手段と、この電
力変換手段を収納する金属製ケースとを備えて成
る放電灯点灯装置において、前記複数のスイツチ
ング素子を前記金属製ケースに装着するとともに
、この装着された複数のスイツチング素子と金属
製ケースとの間に、1枚の非磁性体の金属製遮蔽
板を絶縁して介挿し、この非磁性体の金属製遮蔽
板と前記整流する装置の負極側出力端とを同電位
にしたことを特徴とする放電灯点灯装置。 A power conversion means comprising a device that receives power from an AC power source and rectifies the AC voltage into a pulsating DC voltage, and a device that is coupled to the pulsating DC voltage and obtains a high-frequency output voltage using a plurality of switching elements; In the discharge lamp lighting device, the plurality of switching elements are mounted on the metal case, and one or more switching elements are mounted between the plurality of mounted switching elements and the metal case. Discharge lamp lighting characterized in that two non-magnetic metal shielding plates are inserted in an insulated manner, and the non-magnetic metal shielding plates and the negative output terminal of the rectifying device are made to have the same potential. Device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987195307U JP2560355Y2 (en) | 1987-12-23 | 1987-12-23 | Discharge lamp lighting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987195307U JP2560355Y2 (en) | 1987-12-23 | 1987-12-23 | Discharge lamp lighting device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01101191U true JPH01101191U (en) | 1989-07-07 |
JP2560355Y2 JP2560355Y2 (en) | 1998-01-21 |
Family
ID=31485990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987195307U Expired - Lifetime JP2560355Y2 (en) | 1987-12-23 | 1987-12-23 | Discharge lamp lighting device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2560355Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006250782A (en) * | 2005-03-11 | 2006-09-21 | Mitsubishi Electric Corp | Earth wire connection detector |
JP2019041545A (en) * | 2017-08-28 | 2019-03-14 | プロライト株式会社 | Power supply unit |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54156401A (en) * | 1978-05-31 | 1979-12-10 | Toshiba Electric Equip | Electric apparatus |
JPS58103196U (en) * | 1981-12-31 | 1983-07-13 | アンリツ株式会社 | Shielded electronic circuit unit |
JPS60241237A (en) * | 1984-05-15 | 1985-11-30 | Mitsubishi Electric Corp | Hybrid ic device |
JPS613614U (en) * | 1984-06-13 | 1986-01-10 | 株式会社東芝 | fluorescent lamp device |
JPS61159890U (en) * | 1985-03-26 | 1986-10-03 |
-
1987
- 1987-12-23 JP JP1987195307U patent/JP2560355Y2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54156401A (en) * | 1978-05-31 | 1979-12-10 | Toshiba Electric Equip | Electric apparatus |
JPS58103196U (en) * | 1981-12-31 | 1983-07-13 | アンリツ株式会社 | Shielded electronic circuit unit |
JPS60241237A (en) * | 1984-05-15 | 1985-11-30 | Mitsubishi Electric Corp | Hybrid ic device |
JPS613614U (en) * | 1984-06-13 | 1986-01-10 | 株式会社東芝 | fluorescent lamp device |
JPS61159890U (en) * | 1985-03-26 | 1986-10-03 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006250782A (en) * | 2005-03-11 | 2006-09-21 | Mitsubishi Electric Corp | Earth wire connection detector |
JP2019041545A (en) * | 2017-08-28 | 2019-03-14 | プロライト株式会社 | Power supply unit |
Also Published As
Publication number | Publication date |
---|---|
JP2560355Y2 (en) | 1998-01-21 |
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