JPH0225200U - - Google Patents
Info
- Publication number
- JPH0225200U JPH0225200U JP10410788U JP10410788U JPH0225200U JP H0225200 U JPH0225200 U JP H0225200U JP 10410788 U JP10410788 U JP 10410788U JP 10410788 U JP10410788 U JP 10410788U JP H0225200 U JPH0225200 U JP H0225200U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- field effect
- effect transistors
- mos field
- turned
- 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
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000005669 field effect Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009499 grossing Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図はこの考案の大電力の放電灯に対し、Ｍ
ＯＳＦＥＴを並列接続したインバータトランスＴ
１の一次側の回路図、第２図は第１図の回路の具
体的な構成である梯子型の回路を示す斜視図、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図は放電灯
３７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５図はこの考案の他の実施例を示す１石式
のスイツチング回路の具体的構成を示す図である
。
図中、１：交流電源、２：整流回路、３，４，
５，６：電解コンデンサ、７：平滑回路、８：ト
ランス、９：偏磁防止用のコンデンサ、１０，１
１：ＭＯＳＦＥＴ群、１０―１，１０―２，１０
―３，１０―４，１０―５，１１―１，１１―２
，１１―３，１１―４，１１―５：ＭＯＳＦＥＴ
、１２：スイツチング回路。
Figure 1 shows the high power discharge lamp of this invention.
Inverter transformer T with OSFETs connected in parallel
1 is a circuit diagram of the primary side, FIG. 2 is a perspective view showing a ladder-type circuit that is a specific configuration of the circuit in FIG. 1, and FIG. 3 is a conventionally used discharge lamp such as an ultra-high pressure mercury lamp. A diagram showing an example of a lighting device, FIG. 4 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 37 has a high power, and FIG. 5 is another implementation of this invention. FIG. 2 is a diagram illustrating a specific configuration of a one-stone switching circuit as an example. In the figure, 1: AC power supply, 2: rectifier circuit, 3, 4,
5, 6: Electrolytic capacitor, 7: Smoothing circuit, 8: Transformer, 9: Capacitor for preventing biased magnetism, 10, 1
1: MOSFET group, 10-1, 10-2, 10
-3,10-4,10-5,11-1,11-2
, 11-3, 11-4, 11-5: MOSFET
, 12: Switching circuit.
Claims (1)
ータ回路を有する電源部とよりなる放電灯点灯装
置において、前記電源部は、前記インバータ回路
内にオン―オフする少なくとも２つのＭＯＳ型電
界効果トランジスタの組とこれらＭＯＳ型電界効
果トランジスタに電流を供給する少なくとも２つ
の電解コンデンサとを有し、前記少なくとも２つ
の電解コンデンサの正側端子間で、オンしている
少なくとも２つのＭＯＳ型電界効果トランジスタ
の全てのドレインで接続され、かつ前記電解コン
デンサの負側端子間で、オンしている少なくとも
２つのＭＯＳ型電界効果トランジスタの全てのソ
ースで接続されたことを特徴とする放電灯点灯装
置。 In a discharge lamp lighting device comprising a discharge lamp and a power supply unit having an inverter circuit for lighting the discharge lamp, the power supply unit includes at least two MOS field effect transistors that are turned on and off in the inverter circuit. and at least two electrolytic capacitors that supply current to these MOS field effect transistors, and all of the at least two MOS field effect transistors that are turned on between the positive terminals of the at least two electrolytic capacitors. A discharge lamp lighting device characterized in that the drains of the electrolytic capacitor are connected to each other, and the sources of at least two turned-on MOS field effect transistors are connected between the negative terminals of the electrolytic capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10410788U JPH0225200U (en) | 1988-08-08 | 1988-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10410788U JPH0225200U (en) | 1988-08-08 | 1988-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0225200U true JPH0225200U (en) | 1990-02-19 |
Family
ID=31335532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10410788U Pending JPH0225200U (en) | 1988-08-08 | 1988-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0225200U (en) |
-
1988
- 1988-08-08 JP JP10410788U patent/JPH0225200U/ja active Pending
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