JPH046200U - - Google Patents
Info
- Publication number
- JPH046200U JPH046200U JP4598090U JP4598090U JPH046200U JP H046200 U JPH046200 U JP H046200U JP 4598090 U JP4598090 U JP 4598090U JP 4598090 U JP4598090 U JP 4598090U JP H046200 U JPH046200 U JP H046200U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- trigger pulse
- oscillation
- discharge lamp
- 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
- 230000010355 oscillation Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は、本考案の実施例に係る第１放電灯の
点灯装置のブロツク図、第２図は、その回路図、
第３図は、他の実施例に係る第２放電灯の点灯装
置のブロツク図、第４図は、その回路図、第５図
は、各電圧、電流、パルス等の波形図である。
１０ａ，１０ｂ……第１、第２放電灯の点灯装
置、１２……整流回路、１４，１５……直流電源
端子、２０……スイツチ回路、２６……充電回路
、３２……発振回路、トリガパルス回路、７４…
…コンデンサ、７６……トリガダイオード、７８
……タイマ回路、８０……限時動作ａ接点。
FIG. 1 is a block diagram of a lighting device for a first discharge lamp according to an embodiment of the present invention, and FIG. 2 is a circuit diagram thereof.
FIG. 3 is a block diagram of a lighting device for a second discharge lamp according to another embodiment, FIG. 4 is a circuit diagram thereof, and FIG. 5 is a waveform diagram of each voltage, current, pulse, etc. 10a, 10b... lighting device for the first and second discharge lamps, 12... rectifier circuit, 14, 15... DC power supply terminal, 20... switch circuit, 26... charging circuit, 32... oscillation circuit, trigger Pulse circuit, 74...
...Capacitor, 76...Trigger diode, 78
...Timer circuit, 80...Time-limited operation a contact.
Claims (1)
列接続させたスイツチ回路と、２個のコンデンサ
を直列接続させた充電回路と、を並列接続し、前
記スイツチ回路の中間端子と前記充電回路の中間
端子とに直列接続されたコイルとコンデンサとよ
り成る発振回路と、この発振回路に接続された放
電灯に係る前記スイツチ回路のいずれかのトラン
ジスタのベース端子に接続されたトリガパルス回
路と、を備え、 前記トリガパルス回路に接続された側のトラン
ジスタのベース端子にトリガパルス電圧を加えな
がら発振回路に発信電流を誘起させて成る放電灯
の点灯装置。 ２ 前記トリガパルス回路とこのトリガパルス回
路に接続された側のトランジスタとの接続を電源
投入後の所定時間後に開路させるためのタイマ回
路を有して成る実用新案登録請求の範囲第１項記
載の放電灯の点灯装置。[Claims for Utility Model Registration] 1. A switch circuit in which two transistors are connected in series and a charging circuit in which two capacitors are connected in series are connected in parallel between DC power supply terminals, an oscillation circuit comprising a coil and a capacitor connected in series to an intermediate terminal and an intermediate terminal of the charging circuit; and an oscillation circuit connected to the base terminal of one of the transistors of the switch circuit related to the discharge lamp connected to the oscillation circuit. A discharge lamp lighting device, comprising: a trigger pulse circuit, which induces an oscillation current in an oscillation circuit while applying a trigger pulse voltage to a base terminal of a transistor connected to the trigger pulse circuit. 2. A utility model according to claim 1, comprising a timer circuit for opening the connection between the trigger pulse circuit and the transistor connected to the trigger pulse circuit after a predetermined time after power is turned on. Discharge lamp lighting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4598090U JPH046200U (en) | 1990-04-27 | 1990-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4598090U JPH046200U (en) | 1990-04-27 | 1990-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH046200U true JPH046200U (en) | 1992-01-21 |
Family
ID=31560650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4598090U Pending JPH046200U (en) | 1990-04-27 | 1990-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046200U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0241667A (en) * | 1988-07-29 | 1990-02-09 | Kuroi Electric Ind Co | Inverter circuit for lighting fluorescent lamp |
-
1990
- 1990-04-27 JP JP4598090U patent/JPH046200U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0241667A (en) * | 1988-07-29 | 1990-02-09 | Kuroi Electric Ind Co | Inverter circuit for lighting fluorescent lamp |
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