JPH0292695U - - Google Patents
Info
- Publication number
- JPH0292695U JPH0292695U JP52789U JP52789U JPH0292695U JP H0292695 U JPH0292695 U JP H0292695U JP 52789 U JP52789 U JP 52789U JP 52789 U JP52789 U JP 52789U JP H0292695 U JPH0292695 U JP H0292695U
- Authority
- JP
- Japan
- Prior art keywords
- lighting
- control circuit
- circuit
- arc lamp
- short arc
- 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
- 229910052724 xenon Inorganic materials 0.000 claims description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は、本考案の放電灯点灯回路図を示す。
第２図は本考案の点灯回路の点灯状態制御回路を
示した図である。
図中：１：キセノンシヨートアークランプ、４
：インバータ回路、７：検出回路、９：点灯状態
制御回路、９３：定電力制御部、９４：定電流制
御部、９５：過電圧警報発生回路。
FIG. 1 shows a discharge lamp lighting circuit diagram of the present invention.
FIG. 2 is a diagram showing a lighting state control circuit of the lighting circuit of the present invention. In the diagram: 1: xenon short arc lamp, 4
: inverter circuit, 7: detection circuit, 9: lighting state control circuit, 93: constant power control section, 94: constant current control section, 95: overvoltage alarm generation circuit.
Claims (1)
を有するインバータ回路と、前記キセノンシヨー
トアークランプの点灯電流と点灯電圧の検出回路
と、この検出回路の信号に基づく点灯状態制御回
路とを有する装置において、 前記点灯状態制御回路は、通常点灯時に働く定
電流制御回路と、点灯電圧が設定時間以上上昇し
た時働く過電圧警報発生回路と、この時自動的に
切替わる定電力制御回路とを有することを特徴と
するキセノンシヨートアークランプ点灯装置。[Scope of Claim for Utility Model Registration] A xenon short arc lamp, an inverter circuit having a semiconductor element, a detection circuit for the lighting current and lighting voltage of the xenon short arc lamp, and a lighting state control circuit based on a signal from the detection circuit. In the device, the lighting state control circuit includes a constant current control circuit that operates during normal lighting, an overvoltage alarm generation circuit that operates when the lighting voltage rises for more than a set time, and a constant power control circuit that automatically switches at this time. A xenon short arc lamp lighting device characterized by having:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52789U JPH0292695U (en) | 1989-01-09 | 1989-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52789U JPH0292695U (en) | 1989-01-09 | 1989-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0292695U true JPH0292695U (en) | 1990-07-23 |
Family
ID=31199636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52789U Pending JPH0292695U (en) | 1989-01-09 | 1989-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0292695U (en) |
-
1989
- 1989-01-09 JP JP52789U patent/JPH0292695U/ja active Pending
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