JPS63125396U - - Google Patents
Info
- Publication number
- JPS63125396U JPS63125396U JP1553987U JP1553987U JPS63125396U JP S63125396 U JPS63125396 U JP S63125396U JP 1553987 U JP1553987 U JP 1553987U JP 1553987 U JP1553987 U JP 1553987U JP S63125396 U JPS63125396 U JP S63125396U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- discharge lamp
- winding
- inverter
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 5
- 238000007599 discharging Methods 0.000 claims 1
- 238000009499 grossing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Description
第１図はこの考案の一実施例であるシヨートア
ーク型の放電灯点灯装置の主要部の回路図で、第
２図はキセノンランプ等のシヨートアーク型の放
電灯の従来の点灯装置の回路図である。
図中、１：放電灯、２，３，７：コンデンサ、
５，６，８：ダイオード、４，９：抵抗、１０：
コントロール回路、１１：ＭＯＳＦＥＴ、１２：
インバータトランス。
Figure 1 is a circuit diagram of the main parts of a short arc type discharge lamp lighting device, which is an embodiment of this invention, and Figure 2 is a circuit diagram of a conventional lighting device for a short arc type discharge lamp such as a xenon lamp. . In the figure, 1: discharge lamp, 2, 3, 7: capacitor,
5, 6, 8: Diode, 4, 9: Resistor, 10:
Control circuit, 11: MOSFET, 12:
inverter transformer.
Claims (1)
イツチング素子を含む電源回路を有し、前記イン
バータトランスの二次側巻線には、整流回路と平
滑回路と放電灯点灯時に必要なオープン電圧を供
給する放電用コンデンサを含む重畳回路を含むイ
ンバータ回路よりなる放電灯点灯装置において、
前記インバータ回路にフライバツク方式を用いる
と共に、このインバータトランスにおける放電灯
点灯回路の巻線とは別巻線を設け、この別巻線上
の電位を検出して、前記重畳回路内の放電用のコ
ンデンサの電圧を制御するコントロール回路を設
けたことを特徴とする放電灯点灯装置。 The primary winding of the inverter transformer has a power supply circuit including semiconductor switching elements, and the secondary winding of the inverter transformer has a rectifier circuit, a smoothing circuit, and a discharge circuit that supplies the open voltage necessary for lighting the discharge lamp. In a discharge lamp lighting device consisting of an inverter circuit including a superimposed circuit including a capacitor for
In addition to using a flyback method for the inverter circuit, a separate winding from the winding of the discharge lamp lighting circuit is provided in the inverter transformer, and the potential on this separate winding is detected to determine the voltage of the discharging capacitor in the superimposed circuit. A discharge lamp lighting device characterized by being provided with a control circuit for controlling the discharge lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1553987U JPS63125396U (en) | 1987-02-06 | 1987-02-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1553987U JPS63125396U (en) | 1987-02-06 | 1987-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63125396U true JPS63125396U (en) | 1988-08-16 |
Family
ID=30806565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1553987U Pending JPS63125396U (en) | 1987-02-06 | 1987-02-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63125396U (en) |
-
1987
- 1987-02-06 JP JP1553987U patent/JPS63125396U/ja active Pending
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