JPS624098U - - Google Patents
Info
- Publication number
- JPS624098U JPS624098U JP9609485U JP9609485U JPS624098U JP S624098 U JPS624098 U JP S624098U JP 9609485 U JP9609485 U JP 9609485U JP 9609485 U JP9609485 U JP 9609485U JP S624098 U JPS624098 U JP S624098U
- Authority
- JP
- Japan
- Prior art keywords
- normally closed
- thermal switch
- parallel
- discharge lamp
- closed thermal
- 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
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は本考案の始動装置の一実施例の回路図
、第２図は同上の回路のヒータ電圧波形図、第３
図は従来の始動装置の回路図、第４図は同上の回
路の正規点灯に至るまでの要部電圧電流波形図、
第５図は同上の正規点灯に至るまでに半波点灯が
生じた場合のヒータ電圧波形図であり、４はダイ
オード、５は常閉サーマルスイツチ、６はヒータ
、７はインピーダンス要素、９は限流要素、１０
は定電圧要素である。
Figure 1 is a circuit diagram of one embodiment of the starting device of the present invention, Figure 2 is a heater voltage waveform diagram of the same circuit, and Figure 3 is a diagram of the heater voltage waveform of the same circuit.
The figure is a circuit diagram of a conventional starting device, and Figure 4 is a voltage and current waveform diagram of the main parts of the same circuit up to regular lighting.
Figure 5 is a heater voltage waveform diagram when half-wave lighting occurs before normal lighting as described above, where 4 is a diode, 5 is a normally closed thermal switch, 6 is a heater, 7 is an impedance element, and 9 is a limiter. flow element, 10
is a constant voltage element.
Claims (1)
の両フイラメントの非電源側端子に、ダイオード
と常閉サーマルスイツチとの直列回路を接続し、
前記ダイオードに並列に上記常閉サーマルスイツ
チ駆動用のヒータを接続し、かつ、該常閉サーマ
ルスイツチと並列にインピーダンス要素を接続し
た放電灯始動装置において、上記ヒータと並列に
定電圧要素を接続すると共に上記常閉サーマルス
イツチが閉路している際に該定電圧要素に流れる
電流を制限する限流要素を備えたことを特徴とす
る放電灯始動装置。 Connect a series circuit of a diode and a normally closed thermal switch to the non-power side terminals of both filaments of a discharge lamp connected to an AC power supply via a stabilizing element,
In the discharge lamp starting device, a heater for driving the normally closed thermal switch is connected in parallel to the diode, and an impedance element is connected in parallel with the normally closed thermal switch, and a constant voltage element is connected in parallel with the heater. A discharge lamp starting device characterized in that it further comprises a current limiting element that limits the current flowing through the constant voltage element when the normally closed thermal switch is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9609485U JPS624098U (en) | 1985-06-25 | 1985-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9609485U JPS624098U (en) | 1985-06-25 | 1985-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS624098U true JPS624098U (en) | 1987-01-12 |
Family
ID=30655421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9609485U Pending JPS624098U (en) | 1985-06-25 | 1985-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS624098U (en) |
-
1985
- 1985-06-25 JP JP9609485U patent/JPS624098U/ja active Pending
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