JPS6379097U - - Google Patents
Info
- Publication number
- JPS6379097U JPS6379097U JP17351386U JP17351386U JPS6379097U JP S6379097 U JPS6379097 U JP S6379097U JP 17351386 U JP17351386 U JP 17351386U JP 17351386 U JP17351386 U JP 17351386U JP S6379097 U JPS6379097 U JP S6379097U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- transistor
- capacitor
- current
- series
- 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 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は、本考案による点灯装置の一実施例を
示す回路図、第２図は、従来例の第１図相当図で
ある。
４……電流制限用インダクタンス、６……放電
灯、６１……予熱電極、６２……予熱電極、７…
…コンデンサ、８……トランジスタ、９……電流
変成器、９１……一次巻線、９２……二次巻線、
１８……第１の起動抵抗、１９……第２の起動抵
抗。
FIG. 1 is a circuit diagram showing an embodiment of a lighting device according to the present invention, and FIG. 2 is a diagram corresponding to FIG. 1 of a conventional example. 4... Current limiting inductance, 6... Discharge lamp, 61... Preheating electrode, 62... Preheating electrode, 7...
... Capacitor, 8 ... Transistor, 9 ... Current transformer, 91 ... Primary winding, 92 ... Secondary winding,
18...First starting resistance, 19...Second starting resistance.
Claims (1)
を直列接続してなる自励式インバータ回路と、前
記ＬＣ並列共振回路と並列接続された予熱電極を
有する放電灯と電流制限用インダクタンスとの直
列回路と、前記放電灯の予熱電極を介して該放電
灯に並列接続されたコンデンサと、該コンデンサ
の一端と前記トランジスタのベース間とに接続さ
れた第１の起動抵抗と、前記コンデンサの他端と
前記トランジスタのベース間とに接続された第２
の起動抵抗及び前記放電灯に直列接続された一次
巻線を有し、該放電灯の予熱電流、又は放電電流
を検出し、二次巻線に発生する電圧により前記ト
ランジスタを導通する電流変成器とを備えたこと
を特徴とする放電灯点灯装置。 a self-excited inverter circuit formed by connecting an LC parallel resonant circuit and a transistor in series to a DC power source; a series circuit of a discharge lamp and a current limiting inductance having a preheating electrode connected in parallel to the LC parallel resonant circuit; a capacitor connected in parallel to the discharge lamp via a preheating electrode of the discharge lamp; a first starting resistor connected between one end of the capacitor and the base of the transistor; and a first starting resistor connected between the other end of the capacitor and the base of the transistor. the second connected between the bases and
A current transformer having a starting resistor and a primary winding connected in series to the discharge lamp, detects a preheating current or a discharge current of the discharge lamp, and conducts the transistor by a voltage generated in the secondary winding. A discharge lamp lighting device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17351386U JPS6379097U (en) | 1986-11-12 | 1986-11-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17351386U JPS6379097U (en) | 1986-11-12 | 1986-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6379097U true JPS6379097U (en) | 1988-05-25 |
Family
ID=31111041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17351386U Pending JPS6379097U (en) | 1986-11-12 | 1986-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6379097U (en) |
-
1986
- 1986-11-12 JP JP17351386U patent/JPS6379097U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6379097U (en) | ||
| JPS6384900U (en) | ||
| JPH0376395U (en) | ||
| JPS5931198U (en) | Cold cathode discharge lamp lighting device | |
| JPH0425486U (en) | ||
| JPH01142198U (en) | ||
| JPS621394U (en) | ||
| JPS5985599U (en) | discharge lamp lighting device | |
| JPS61153446U (en) | ||
| JPS61141800U (en) | ||
| JPS62193371U (en) | ||
| JPH0340893U (en) | ||
| JPH0244298U (en) | ||
| JPS6260000U (en) | ||
| JPS61153448U (en) | ||
| JPH01113997U (en) | ||
| JPH01159396U (en) | ||
| JPH01159395U (en) | ||
| JPH01113996U (en) | ||
| JPH0186197U (en) | ||
| JPS6390945U (en) | ||
| JPS6237199U (en) | ||
| JPH0244296U (en) | ||
| JPS621395U (en) | ||
| JPS60175496U (en) | discharge lamp lighting device |