JPS61169999U - - Google Patents
Info
- Publication number
- JPS61169999U JPS61169999U JP5362185U JP5362185U JPS61169999U JP S61169999 U JPS61169999 U JP S61169999U JP 5362185 U JP5362185 U JP 5362185U JP 5362185 U JP5362185 U JP 5362185U JP S61169999 U JPS61169999 U JP S61169999U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- lighting
- preheating
- ballast element
- ballast
- 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
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
Description
第１図は本考案の一つの実施例である雑音低減
回路を付加した放電灯用点灯装置を示す回路図、
第２図は従来の放電灯用点灯装置回路図、第３図
Ａ，Ｂは本考案の効果を説明するための図である
。
１……交流電源、２……全波整流器、３……平
滑用コンデンサ、４，５……整流器、６……平滑
用コンデンサ、７……定電圧素子、８……発振回
路、９……出力トランス、１０……トランジスタ
、１１……点灯用バラスト素子、１２……予熱用
バラスト素子、１３……放電灯、１４……インダ
クタ、１３ａ，１３ｂ……予熱電極。
FIG. 1 is a circuit diagram showing a discharge lamp lighting device with a noise reduction circuit added, which is one embodiment of the present invention.
FIG. 2 is a circuit diagram of a conventional discharge lamp lighting device, and FIGS. 3A and 3B are diagrams for explaining the effects of the present invention. 1... AC power supply, 2... Full wave rectifier, 3... Smoothing capacitor, 4, 5... Rectifier, 6... Smoothing capacitor, 7... Constant voltage element, 8... Oscillation circuit, 9... Output transformer, 10... Transistor, 11... Ballast element for lighting, 12... Ballast element for preheating, 13... Discharge lamp, 14... Inductor, 13a, 13b... Preheating electrode.
Claims (1)
バラスト素子と、この点灯用バラスト素子と直列
に接続された予熱電極を有する放電灯と、この放
電灯と並列に接続された予熱電流を供給するため
の予熱バラスト素子と、前記点灯用バラスト素子
に電流を供給するためのスイツチ素子と、このス
イツチ素子のオン・オフ動作を制御するための発
振回路と、発振回路の電源を前記点灯用バラスト
素子と放電灯および放電灯と並列に接続された予
熱バラスト素子を介してとつている放電灯用点灯
装置において、スイツチング素子と直列に雑音低
減を目的とした回路を挿入したことを特徴とする
放電灯用安定器。 A lighting ballast element for stabilizing the lighting current of the discharge lamp, a discharge lamp having a preheating electrode connected in series with the lighting ballast element, and a discharge lamp connected in parallel with the discharge lamp to supply the preheating current. a preheating ballast element for supplying current to the lighting ballast element, a switch element for supplying current to the lighting ballast element, an oscillation circuit for controlling the on/off operation of the switch element, and a power supply for the oscillation circuit to the lighting ballast element. and a discharge lamp lighting device for a discharge lamp which is lit via a preheating ballast element connected in parallel with the discharge lamp, characterized in that a circuit for the purpose of noise reduction is inserted in series with the switching element. Ballast for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5362185U JPS61169999U (en) | 1985-04-12 | 1985-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5362185U JPS61169999U (en) | 1985-04-12 | 1985-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61169999U true JPS61169999U (en) | 1986-10-21 |
Family
ID=30574658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5362185U Pending JPS61169999U (en) | 1985-04-12 | 1985-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61169999U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5616079U (en) * | 1979-07-14 | 1981-02-12 |
-
1985
- 1985-04-12 JP JP5362185U patent/JPS61169999U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5616079U (en) * | 1979-07-14 | 1981-02-12 |
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