JPS58150298U - Discharge lamp lighting circuit - Google Patents
Discharge lamp lighting circuitInfo
- Publication number
- JPS58150298U JPS58150298U JP4740182U JP4740182U JPS58150298U JP S58150298 U JPS58150298 U JP S58150298U JP 4740182 U JP4740182 U JP 4740182U JP 4740182 U JP4740182 U JP 4740182U JP S58150298 U JPS58150298 U JP S58150298U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- lighting circuit
- lamp lighting
- diode
- filament
- 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 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 1
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
第１図は従来例の具体回路図、第２図は同上のコンデン
サＣ３どチョークＬ工との共振回路によるコンデンサＣ
３の共振電圧特性図、第３図は同上の無負荷時における
動作説明図、第４図は本考案の一実施例の具体回路図、
第５図は同上の他の実施例の具体回路図である。
１は放電灯、Ｌｌはチョーク、Ｆ□、Ｆ２はフィラメン
ト、Ｃ３はコンデンサ、Ｎ□、Ｎ２は予熱巻線、Ｄ３は
第１のダイオード、Ｄ４は第２のダイオードを示す。
テ
サ
３
電
圧
ＥＶ）
起ｌＮ７Ｅ（約４５０Ｖｒｍｓ）
ｆ＋ ｆ２
発′ＦＪＦＬ周浪数ｆFigure 1 is a specific circuit diagram of a conventional example, and Figure 2 is a capacitor C3 created by a resonant circuit with a choke L construction.
3 is a resonant voltage characteristic diagram of No. 3, FIG. 3 is an explanatory diagram of the same operation at no load, and FIG. 4 is a specific circuit diagram of an embodiment of the present invention.
FIG. 5 is a specific circuit diagram of another embodiment same as above. 1 is a discharge lamp, Ll is a choke, F□, F2 are filaments, C3 is a capacitor, N□, N2 are preheating windings, D3 is a first diode, and D4 is a second diode. tesa 3 Voltage EV) Start IN7E (approx. 450Vrms) f+ f2 Start 'FJFL frequency f
Claims (1)
電灯の非電源側の両フィラメント間に接続されて前記チ
ョークと共振して放電灯を起動させるのに必要な電圧を
得るためのコンデンサと、放電灯の起動に際しフィラメ
ントの両端に並列に接続されてフィラメントを予熱する
予熱巻線とを具備し、放電灯に交番電圧を印加して放電
灯を点灯するようにした放電灯点灯回路において、予熱
巻線とフィラメントとで形成される予熱閉路内に第１の
ダイオードを挿入接続し、チョークと予熱巻線とコンデ
ンサとで無負荷時に形成される無負荷ループ内に第１の
ダイオードとは直列逆方向に第２のダイオードを挿入接
続して成ることを特徴とする放電灯点灯回路。, a discharge lamp, a choke connected in series with the discharge lamp, and a choke connected between both filaments on the non-power side of the discharge lamp to resonate with the choke to obtain the voltage necessary to start the discharge lamp. A discharge lamp lighting circuit comprising a capacitor and a preheating winding connected in parallel to both ends of a filament to preheat the filament when starting the discharge lamp, and applying an alternating voltage to the discharge lamp to light the discharge lamp. , a first diode is inserted and connected in a preheating closed circuit formed by a preheating winding and a filament, and the first diode and a A discharge lamp lighting circuit characterized by comprising a second diode inserted and connected in series in the reverse direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4740182U JPS58150298U (en) | 1982-03-31 | 1982-03-31 | Discharge lamp lighting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4740182U JPS58150298U (en) | 1982-03-31 | 1982-03-31 | Discharge lamp lighting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58150298U true JPS58150298U (en) | 1983-10-08 |
Family
ID=30058360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4740182U Pending JPS58150298U (en) | 1982-03-31 | 1982-03-31 | Discharge lamp lighting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58150298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01243397A (en) * | 1988-03-24 | 1989-09-28 | Kyoshin Denki Seisakusho:Kk | Lighting device for electric discharge lamp |
-
1982
- 1982-03-31 JP JP4740182U patent/JPS58150298U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01243397A (en) * | 1988-03-24 | 1989-09-28 | Kyoshin Denki Seisakusho:Kk | Lighting device for electric discharge lamp |
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