JPH0225198U - - Google Patents
Info
- Publication number
- JPH0225198U JPH0225198U JP10410888U JP10410888U JPH0225198U JP H0225198 U JPH0225198 U JP H0225198U JP 10410888 U JP10410888 U JP 10410888U JP 10410888 U JP10410888 U JP 10410888U JP H0225198 U JPH0225198 U JP H0225198U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- drive
- lighting device
- circuit
- switching element
- 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.)
- Pending
Links
- 230000005669 field effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Power Conversion In General (AREA)
Description
第１図はこの考案の一実施例であるスイツチン
グ素子としてのＭＯＳＦＥＴとドライブ回路及び
パルストランスとの接続状態を示す図、第２図は
従来のＭＯＳＦＥＴとドライブ回路及びパルスト
ランスとの接続状態を示す図、第３図は従来から
用いられている超高圧水銀灯等の放電灯点灯装置
の一例を示す図、第４図はこの従来の放電灯点灯
装置におけるドライブ回路の一例を示す回路図、
第５図は放電灯が大電力の場合、ＭＯＳＦＥＴを
並列接続したインバータ・トランスＴ１の１次側
の従来の回路図、第６図は第２図の具体的構成を
示す回路図である。図中、
３３，３３ａ１，３３ａ２，３３ａ３，３３ａ
４，３３ａ５，３３ｂ１，３３ｂ２，３３ｂ３，
３３ｂ４，３３ｂ５：ドライブ回路、Ａ１，Ｂ１
，Ｃ１，Ｄ１，Ｅ１，Ａ２，Ｂ２，Ｃ２，Ｄ２，
Ｅ２：ＭＯＳＦＥＴ、ＴＡ１，ＴＡ２：パルスト
ランス、３５：制御回路、３７：放電灯。
Fig. 1 shows the connection state between a MOSFET as a switching element, which is an embodiment of this invention, and a drive circuit and a pulse transformer, and Fig. 2 shows a connection state between a conventional MOSFET, a drive circuit, and a pulse transformer. 3 is a diagram showing an example of a conventionally used discharge lamp lighting device such as an ultra-high pressure mercury lamp, and FIG. 4 is a circuit diagram showing an example of a drive circuit in this conventional discharge lamp lighting device.
FIG. 5 is a conventional circuit diagram of the primary side of an inverter transformer T1 in which MOSFETs are connected in parallel when the discharge lamp has high power, and FIG. 6 is a circuit diagram showing a specific configuration of FIG. 2. In the figure, 33, 33a 1 , 33a 2 , 33a 3 , 33a
4 , 33a 5 , 33b 1 , 33b 2 , 33b 3 ,
33b 4 , 33b 5 : Drive circuit, A 1 , B 1
, C 1 , D 1 , E 1 , A 2 , B 2 , C 2 , D 2 ,
E2 : MOSFET, TA1 , TA2 : pulse transformer, 35: control circuit, 37: discharge lamp.
Claims (1)
ータ回路を有する電源回路とよりなる放電灯点灯
装置において、前記インバータ回路は並列接続さ
れた複数個のスイツチング素子と、これらスイツ
チング素子の各々を駆動するそれぞれのドライブ
回路と、これらドライブ回路に電力を供給するパ
ルストランスとを有し、前記パルストランスに接
続された各々のドライブ回路は各ドライブ回路の
駆動するスイツチング素子の配列順序に沿つて配
置されることにより、各々のドライブ回路からス
イツチング素子までの接続線が相互に交差しない
ようにしたことを特徴とする放電灯点灯装置。 (2) スイツチング素子はＭＯＳ型電解効果トラ
ンジスタを用いることを特徴とする請求項(1)に
記載の放電灯点灯装置。[Claims for Utility Model Registration] (1) A discharge lamp lighting device comprising a discharge lamp and a power supply circuit having an inverter circuit for lighting the discharge lamp, the inverter circuit comprising a plurality of switching elements connected in parallel. , respective drive circuits that drive each of these switching elements, and a pulse transformer that supplies power to these drive circuits, and each drive circuit connected to the pulse transformer has a switching element that is driven by each drive circuit. A discharge lamp lighting device characterized in that connection lines from each drive circuit to a switching element are arranged in accordance with the arrangement order of the elements so that they do not cross each other. (2) The discharge lamp lighting device according to claim (1), wherein the switching element uses a MOS field effect transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10410888U JPH0225198U (en) | 1988-08-08 | 1988-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10410888U JPH0225198U (en) | 1988-08-08 | 1988-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0225198U true JPH0225198U (en) | 1990-02-19 |
Family
ID=31335533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10410888U Pending JPH0225198U (en) | 1988-08-08 | 1988-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0225198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002223504A (en) * | 2001-01-24 | 2002-08-09 | Nippon Yusoki Co Ltd | Motor controller for forklift |
-
1988
- 1988-08-08 JP JP10410888U patent/JPH0225198U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002223504A (en) * | 2001-01-24 | 2002-08-09 | Nippon Yusoki Co Ltd | Motor controller for forklift |
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