JPS6282598U - - Google Patents

Info

Publication number
JPS6282598U
JPS6282598U JP17512785U JP17512785U JPS6282598U JP S6282598 U JPS6282598 U JP S6282598U JP 17512785 U JP17512785 U JP 17512785U JP 17512785 U JP17512785 U JP 17512785U JP S6282598 U JPS6282598 U JP S6282598U
Authority
JP
Japan
Prior art keywords
discharge lamp
amplifier circuit
circuit
switching element
control circuit
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
JP17512785U
Other languages
Japanese (ja)
Other versions
JPH0518878Y2 (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 JP1985175127U priority Critical patent/JPH0518878Y2/ja
Publication of JPS6282598U publication Critical patent/JPS6282598U/ja
Application granted granted Critical
Publication of JPH0518878Y2 publication Critical patent/JPH0518878Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図は本考案の一実施例の要部を示す回路構
成図、第２図は本考案の他の実施例を示す回路構
成図、第３図は本考案のさらに他の実施例を示す
回路構成図、第４図は従来例を示す回路構成図、
第５図及び第６図は夫々他の従来例の要部を示す
回路構成図である。 ２は放電灯、４はイグナイタ、５はチヨツパ回
路、５′はフルブリツジ型インバータ回路、６は
第２の制御回路、８は第１の制御回路、１３は遅
延回路、１４は増幅回路、Ｒ７は抵抗である。 Fig. 1 is a circuit diagram showing the main parts of one embodiment of the invention, Fig. 2 is a circuit diagram showing another embodiment of the invention, and Fig. 3 is a circuit diagram showing still another embodiment of the invention. Circuit configuration diagram, FIG. 4 is a circuit configuration diagram showing a conventional example,
FIGS. 5 and 6 are circuit configuration diagrams showing main parts of other conventional examples, respectively. 2 is a discharge lamp, 4 is an igniter, 5 is a chopper circuit, 5' is a full bridge type inverter circuit, 6 is a second control circuit, 8 is a first control circuit, 13 is a delay circuit, 14 is an amplifier circuit, R 7 is resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 直流電圧をスイツチングするスイツチング素子
と、このスイツチング素子を介して電源が供給さ
れる放電灯と、電源投入直後に高電圧を発生して
放電灯を点灯始動に至らしめるイグナイタと、放
電灯に流れる電流を検出する抵抗と、該抵抗にて
検出された電圧を増幅する増幅回路と、放電灯の
点灯始動後に増幅回路からの信号を受けて上記ス
イツチング素子のオンデユーテイを小さくする第
１の制御回路と、増幅回路出力により上記イグナ
イタをオフさせる第２の制御回路と、増幅回路と
第２の制御回路との間に介在し、放電灯が点灯始
動するまで増幅回路の出力を遅延させる遅延回路
とを具備して成る放電灯点灯装置。 A switching element that switches DC voltage, a discharge lamp to which power is supplied via this switching element, an igniter that generates high voltage to start the discharge lamp immediately after the power is turned on, and a current that flows through the discharge lamp. an amplifier circuit that amplifies the voltage detected by the resistor; and a first control circuit that receives a signal from the amplifier circuit and reduces the on-duty of the switching element after the discharge lamp starts lighting. A second control circuit that turns off the igniter using the amplifier circuit output, and a delay circuit that is interposed between the amplifier circuit and the second control circuit and delays the output of the amplifier circuit until the discharge lamp starts lighting. A discharge lamp lighting device consisting of.
JP1985175127U 1985-11-14 1985-11-14 Expired - Lifetime JPH0518878Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985175127U JPH0518878Y2 (en) 1985-11-14 1985-11-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985175127U JPH0518878Y2 (en) 1985-11-14 1985-11-14

Publications (2)

Publication Number Publication Date
JPS6282598U true JPS6282598U (en) 1987-05-26
JPH0518878Y2 JPH0518878Y2 (en) 1993-05-19

Family

ID=31114156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985175127U Expired - Lifetime JPH0518878Y2 (en) 1985-11-14 1985-11-14

Country Status (1)

Country Link
JP (1) JPH0518878Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02288097A (en) * 1989-04-27 1990-11-28 Matsushita Electric Ind Co Ltd Power source device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828731A (en) * 1971-07-15 1973-04-16
JPS4881663U (en) * 1971-12-29 1973-10-05
JPS4919593A (en) * 1972-06-15 1974-02-21
JPS53119774U (en) * 1977-03-02 1978-09-22

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828731A (en) * 1971-07-15 1973-04-16
JPS4881663U (en) * 1971-12-29 1973-10-05
JPS4919593A (en) * 1972-06-15 1974-02-21
JPS53119774U (en) * 1977-03-02 1978-09-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02288097A (en) * 1989-04-27 1990-11-28 Matsushita Electric Ind Co Ltd Power source device

Also Published As

Publication number Publication date
JPH0518878Y2 (en) 1993-05-19

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