JPS63125397U - - Google Patents

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Publication number
JPS63125397U
JPS63125397U JP1554087U JP1554087U JPS63125397U JP S63125397 U JPS63125397 U JP S63125397U JP 1554087 U JP1554087 U JP 1554087U JP 1554087 U JP1554087 U JP 1554087U JP S63125397 U JPS63125397 U JP S63125397U
Authority
JP
Japan
Prior art keywords
comparator
ultra
high pressure
pressure mercury
mercury lamp
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
Application number
JP1554087U
Other languages
Japanese (ja)
Other versions
JPH0749760Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1554087U priority Critical patent/JPH0749760Y2/en
Publication of JPS63125397U publication Critical patent/JPS63125397U/ja
Application granted granted Critical
Publication of JPH0749760Y2 publication Critical patent/JPH0749760Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Circuit Arrangements For Discharge Lamps (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はこの考案の一実施例である超高圧水銀
灯点灯装置における制御システムの主要部の概略
を示す図、第2図は従来の超高圧水銀灯点灯装置
における制御システムの主要部の概略を示す図、
第3図は従来及びこの考案の超高圧水銀灯点灯装
置のブロツク図、第4図は超高圧水銀灯の点灯時
における電圧・電流特性を示す図である。 図中、1:ランプ、6,7:比較器(オペアン
プ)、32:スイツチングインバータ、35:検
出比較回路、36:制御回路、C:コンデンサ、
〜R13:抵抗、VR〜VR:可変抵抗
、Tr:トランジスタ。
Fig. 1 is a diagram showing an outline of the main parts of the control system in an ultra-high pressure mercury lamp lighting device, which is an embodiment of this invention, and Fig. 2 is a diagram showing an outline of the main parts of the control system in a conventional ultra-high pressure mercury lamp lighting device. figure,
FIG. 3 is a block diagram of the conventional ultra-high pressure mercury lamp lighting device and the present invention, and FIG. 4 is a diagram showing the voltage/current characteristics when the ultra-high pressure mercury lamp is lit. In the figure, 1: lamp, 6, 7: comparator (op amp), 32: switching inverter, 35: detection comparison circuit, 36: control circuit, C: capacitor,
R1 to R13 : Resistor, VR1 to VR4 : Variable resistor, Tr: Transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 交流電源と、この交流電源を整流、平滑する回
路を一次側に備えた半導体スイツチング素子を含
むインバータトランスと、このインバータトラン
スの二次側に整流、平滑回路を介して超高圧水銀
灯及び超高圧水銀灯を点灯させるためのスタータ
と、この二次側に設けられた整流、平滑回路の出
力部から電流及び電圧を検出し、各々の基準信号
と比較する検出比較回路と、この検出比較回路か
らの信号に基づいて、前記半導体スイツチング素
子を制御する制御回路とを備えた超高圧水銀灯点
灯装置において、前記検出比較回路は点灯時に得
られる電流信号を制御するための第1の比較器と
、超高圧水銀灯の電圧の上昇に伴つて得られる電
力信号を制御するための第2の比較器とを有し、
前記第1の比較器の出力は前記制御回路の入力端
に接続され、第2の比較器の出力端は、前記第1
の比較器の基準信号に接続されていることを特徴
とする超高圧水銀灯点灯装置。
An inverter transformer that includes an AC power source, a semiconductor switching element with a circuit for rectifying and smoothing the AC power on the primary side, and an ultra-high pressure mercury lamp and an ultra-high pressure mercury lamp on the secondary side of the inverter transformer via a rectifying and smoothing circuit. A starter for lighting the starter, a detection comparison circuit that detects current and voltage from the output section of the rectification and smoothing circuit provided on the secondary side, and compares them with each reference signal, and a signal from this detection comparison circuit. In the ultra-high pressure mercury lamp lighting device, the detection and comparison circuit includes a first comparator for controlling a current signal obtained during lighting, and a control circuit for controlling the semiconductor switching element. a second comparator for controlling the power signal obtained as the voltage increases;
The output of the first comparator is connected to the input of the control circuit, and the output of the second comparator is connected to the first
An ultra-high pressure mercury lamp lighting device, characterized in that it is connected to a reference signal of a comparator.
JP1554087U 1987-02-06 1987-02-06 Ultra high pressure mercury lamp lighting device Expired - Lifetime JPH0749760Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1554087U JPH0749760Y2 (en) 1987-02-06 1987-02-06 Ultra high pressure mercury lamp lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1554087U JPH0749760Y2 (en) 1987-02-06 1987-02-06 Ultra high pressure mercury lamp lighting device

Publications (2)

Publication Number Publication Date
JPS63125397U true JPS63125397U (en) 1988-08-16
JPH0749760Y2 JPH0749760Y2 (en) 1995-11-13

Family

ID=30806566

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1554087U Expired - Lifetime JPH0749760Y2 (en) 1987-02-06 1987-02-06 Ultra high pressure mercury lamp lighting device

Country Status (1)

Country Link
JP (1) JPH0749760Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0339299U (en) * 1989-08-25 1991-04-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0339299U (en) * 1989-08-25 1991-04-16

Also Published As

Publication number Publication date
JPH0749760Y2 (en) 1995-11-13

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