JPH0348899U - - Google Patents

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Publication number
JPH0348899U
JPH0348899U JP10886389U JP10886389U JPH0348899U JP H0348899 U JPH0348899 U JP H0348899U JP 10886389 U JP10886389 U JP 10886389U JP 10886389 U JP10886389 U JP 10886389U JP H0348899 U JPH0348899 U JP H0348899U
Authority
JP
Japan
Prior art keywords
circuit
capacitor
discharge lamp
switch element
negative side
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
Application number
JP10886389U
Other languages
Japanese (ja)
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 JP10886389U priority Critical patent/JPH0348899U/ja
Publication of JPH0348899U publication Critical patent/JPH0348899U/ja
Pending 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 drawings]

第１図、第２図…それぞれ本考案の実施例を示
す回路図。第３図ａおよびｂ…第１図、第２図回
路の放電電流波形図。第４図…従来回路の回路図
。第５図ａおよびｂ…従来回路の放電電流波形図
。 １…電源、２…全波整流器、３…平滑用コンデ
ンサ、４…共振用コンデンサ、５…共振用インダ
クタンス、６…トランジスタ、７…ダイオード、
８…電流帰還用トランス、９…バラスト用インダ
クタンス、１０，１１…コンデンサ、１２…予熱
用コンデンサ、１３…放電灯、１４…抵抗。 FIGS. 1 and 2 are circuit diagrams each showing an embodiment of the present invention. FIGS. 3a and 3b: Discharge current waveform diagrams of the circuits of FIGS. 1 and 2. FIG. 4...Circuit diagram of a conventional circuit. FIGS. 5a and 5b are discharge current waveform diagrams of a conventional circuit. 1... Power supply, 2... Full wave rectifier, 3... Smoothing capacitor, 4... Resonant capacitor, 5... Resonant inductance, 6... Transistor, 7... Diode,
8... Current feedback transformer, 9... Ballast inductance, 10, 11... Capacitor, 12... Preheating capacitor, 13... Discharge lamp, 14... Resistor.

補正 平１．１２．１１ 図面の簡単な説明を次のように補正する。 明細書の第７頁１１行目の「第５図ａおよびｂ
」を「第５図ａ，ｂおよびｃ」に訂正する。Amendment 1.12.11. The brief description of the drawing is amended as follows. "Figure 5 a and b" on page 7, line 11 of the specification
" should be corrected to "Figure 5 a, b and c".

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電源１と全波整流器２と平滑用コンデンサ３か
らなる回路、平滑用コンデンサ３の正側から共振
用コンデンサ４と共振用インダクタンス５の並列
回路とスイツチ素子６を介して負側に至る回路、
同じく正側から放電灯１３のフイラメント、予熱
用コンデンサ１２及びもう一方のフイラメント、
バラスト用インダクタンス９、電流帰還用トラン
ス８を介してスイツチ素子６、負側に至る回路、
電流帰還用トランス８の２次側の一端とスイツチ
素子６の入力及び他端とコンデンサ１０を介して
負側に至る回路、スイツチ素子６の入力とダイオ
ード７のカソード、そのアノードと抵抗１４を介
して負側に至る回路を備えたものにおいて、放電
灯の放電電流の流れる経路に直流分をしや断する
素子を挿入したことを特徴とした放電灯点灯回路
。 A circuit consisting of a power supply 1, a full-wave rectifier 2, and a smoothing capacitor 3, a circuit from the positive side of the smoothing capacitor 3 to the negative side via a parallel circuit of a resonance capacitor 4 and a resonance inductance 5, and a switch element 6,
Similarly, from the positive side, the filament of the discharge lamp 13, the preheating capacitor 12, and the other filament,
A circuit leading to the switch element 6 and the negative side via the ballast inductance 9 and the current feedback transformer 8,
A circuit connected to the negative side via one end of the secondary side of the current feedback transformer 8, the input and other end of the switch element 6, and the capacitor 10, the input of the switch element 6, the cathode of the diode 7, its anode, and the resistor 14. What is claimed is: 1. A discharge lamp lighting circuit comprising a circuit leading to a negative side of the discharge lamp, characterized in that an element for cutting off a direct current component is inserted in a path through which a discharge current of the discharge lamp flows.
JP10886389U 1989-09-18 1989-09-18 Pending JPH0348899U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10886389U JPH0348899U (en) 1989-09-18 1989-09-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10886389U JPH0348899U (en) 1989-09-18 1989-09-18

Publications (1)

Publication Number Publication Date
JPH0348899U true JPH0348899U (en) 1991-05-10

Family

ID=31657478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10886389U Pending JPH0348899U (en) 1989-09-18 1989-09-18

Country Status (1)

Country Link
JP (1) JPH0348899U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101035973B1 (en) * 2010-10-25 2011-05-23 현대엠코 주식회사 Exterior insulation panel unit and exterior insulation system using the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5778797A (en) * 1980-10-31 1982-05-17 Nippon Electric Co Device for firing discharge lamp

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5778797A (en) * 1980-10-31 1982-05-17 Nippon Electric Co Device for firing discharge lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101035973B1 (en) * 2010-10-25 2011-05-23 현대엠코 주식회사 Exterior insulation panel unit and exterior insulation system using the same

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