JPS59141698U - High frequency lighting circuit for fluorescent lamps - Google Patents

High frequency lighting circuit for fluorescent lamps

Info

Publication number
JPS59141698U
JPS59141698U JP3402583U JP3402583U JPS59141698U JP S59141698 U JPS59141698 U JP S59141698U JP 3402583 U JP3402583 U JP 3402583U JP 3402583 U JP3402583 U JP 3402583U JP S59141698 U JPS59141698 U JP S59141698U
Authority
JP
Japan
Prior art keywords
lighting circuit
frequency lighting
high frequency
ballast capacitor
fluorescent lamps
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
JP3402583U
Other languages
Japanese (ja)
Inventor
千代　忠夫
Original Assignee
株式会社日立製作所
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 by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP3402583U priority Critical patent/JPS59141698U/en
Publication of JPS59141698U publication Critical patent/JPS59141698U/en
Pending legal-status Critical Current

Links

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来の螢光ランプの高周波点灯回路を示す図、
第２図は本考案の一実施例を示す図、第３図は実施例に
おけるバラスト用コンデンサ容量とランプ管電流との関
係を示す図、第４図は実施例におけるランプ管電流とラ
ンプ照度との関係を示す図である。 ９．１０：バイアス抵抗、１１：チョークコイル、１２
：共振コンデンサ、１３：インバータトランス、１４．
１６．１８．２０．２２．２４：バラスト用コンデンサ
、１５．１７，１９，２１．２３：開閉素子（ロック式
トグルスイッチ）　、Ｎｔ、　Ｎ２ｅＮ３：インバータ
トランスの１次巻線、Ｎ５：インバータトランスの２次
巻線。 ＩＮＰＵＴ ｌＮｔ’Ｌｌ’ｌ’Figure 1 is a diagram showing the high frequency lighting circuit of a conventional fluorescent lamp.
Fig. 2 is a diagram showing an embodiment of the present invention, Fig. 3 is a diagram showing the relationship between the ballast capacitor capacity and lamp tube current in the embodiment, and Fig. 4 is a diagram showing the relationship between the lamp tube current and lamp illuminance in the embodiment. FIG. 9.10: Bias resistance, 11: Choke coil, 12
: Resonant capacitor, 13: Inverter transformer, 14.
16.18.20.22.24: Ballast capacitor, 15.17, 19, 21.23: Switching element (locking toggle switch), Nt, N2eN3: Primary winding of inverter transformer, N5: Inverter transformer primary winding Secondary winding. INPUT lNt'Ll'l'

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] インバータトランスの２次側コイルと負荷用螢光ランプ
″との間にバラスト用コンデンサが直列に配設された螢
光ランプの自励トランジスタ式高周波点灯回路において
、前記バラスト用コンデンサと並列に、バラスト用コン
デンサと当該バラスト用コンデンサと直列に接続された
開閉素子とを１組とする素子群を、数組配設したことを
特徴とする螢光ランプの高周波点灯回路。In a self-excited transistor type high frequency lighting circuit for a fluorescent lamp in which a ballast capacitor is arranged in series between the secondary coil of an inverter transformer and a load fluorescent lamp, a ballast capacitor is connected in parallel with the ballast capacitor. A high-frequency lighting circuit for a fluorescent lamp, characterized in that several sets of elements are arranged, each of which includes a ballast capacitor and a switching element connected in series with the ballast capacitor.
JP3402583U 1983-03-11 1983-03-11 High frequency lighting circuit for fluorescent lamps Pending JPS59141698U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3402583U JPS59141698U (en) 1983-03-11 1983-03-11 High frequency lighting circuit for fluorescent lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3402583U JPS59141698U (en) 1983-03-11 1983-03-11 High frequency lighting circuit for fluorescent lamps

Publications (1)

Publication Number Publication Date
JPS59141698U true JPS59141698U (en) 1984-09-21

Family

ID=30164793

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3402583U Pending JPS59141698U (en) 1983-03-11 1983-03-11 High frequency lighting circuit for fluorescent lamps

Country Status (1)

Country Link
JP (1) JPS59141698U (en)

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