JPS6168498U - - Google Patents
Info
- Publication number
- JPS6168498U JPS6168498U JP15269684U JP15269684U JPS6168498U JP S6168498 U JPS6168498 U JP S6168498U JP 15269684 U JP15269684 U JP 15269684U JP 15269684 U JP15269684 U JP 15269684U JP S6168498 U JPS6168498 U JP S6168498U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- inverter circuit
- oscillation
- capacitor
- lighting device
- 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
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図乃室第３図は本考案の各実施例を示す回
路図、第４図は従来の放電灯点灯装置の回路図で
ある。
６，６′……インバータ回路、７……放電灯、
９……共振コンデンサ、１０，１０′……双方向
性スイツチング素子、１１……正の温度係数を持
つ抵抗素子、１２……発振維持回路、１４……コ
ンデンサ、Ｔｒ……トランジスタ、Ｔ……発振ト
ランス。
FIG. 1 and FIG. 3 are circuit diagrams showing each embodiment of the present invention, and FIG. 4 is a circuit diagram of a conventional discharge lamp lighting device. 6, 6'...Inverter circuit, 7...Discharge lamp,
9... Resonance capacitor, 10, 10'... Bidirectional switching element, 11... Resistance element with a positive temperature coefficient, 12... Oscillation sustaining circuit, 14... Capacitor, Tr... Transistor, T... Oscillating transformer.
Claims (1)
の非インバータ回路側に共振コンデンサと双方向
性スイツチング素子の直列回路を接続したことを
特徴とする放電灯点灯装置。 (2) インバータ回路の二次側に接続した放電灯
の非インバータ回路側に共振コンデンサと双方向
性スイツチング素子と正の温度計数を持つ抵抗素
子の直列回路を接続したことを特徴とする実用新
案登録請求の範囲第１項に記載の放電灯点灯装置
。 (3) 前記インバータ回路は発振トランスと、直
流電圧の入力でオン・オフを繰り返して発振トラ
ンスを発振状態にするトランジスタと、発振トラ
ンスに付設した帰還巻線に誘起される電圧を整流
してコンデンサに加えてこのコンデンサの充電電
圧を前記トランジスタに駆動電圧として付与し発
振維持させる発振維持回路を含むことを特徴とす
る実用新案登録請求の範囲第１項及び第２項に記
載の放電灯点灯装置。[Claims for Utility Model Registration] (1) A discharge lamp lighting device characterized in that a series circuit of a resonant capacitor and a bidirectional switching element is connected to the non-inverter circuit side of a discharge lamp connected to the secondary side of an inverter circuit. Device. (2) A utility model characterized in that a series circuit of a resonant capacitor, a bidirectional switching element, and a resistive element with a positive temperature coefficient is connected to the non-inverter circuit side of the discharge lamp connected to the secondary side of the inverter circuit. A discharge lamp lighting device according to claim 1. (3) The inverter circuit includes an oscillation transformer, a transistor that repeatedly turns on and off in response to DC voltage input to make the oscillation transformer oscillate, and a capacitor that rectifies the voltage induced in the feedback winding attached to the oscillation transformer. The discharge lamp lighting device according to claims 1 and 2, characterized in that it further includes an oscillation sustaining circuit that applies the charging voltage of the capacitor as a drive voltage to the transistor to maintain oscillation. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15269684U JPS6168498U (en) | 1984-10-09 | 1984-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15269684U JPS6168498U (en) | 1984-10-09 | 1984-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6168498U true JPS6168498U (en) | 1986-05-10 |
Family
ID=30710749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15269684U Pending JPS6168498U (en) | 1984-10-09 | 1984-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6168498U (en) |
-
1984
- 1984-10-09 JP JP15269684U patent/JPS6168498U/ja active Pending
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