JPS62150899U - - Google Patents
Info
- Publication number
- JPS62150899U JPS62150899U JP3842286U JP3842286U JPS62150899U JP S62150899 U JPS62150899 U JP S62150899U JP 3842286 U JP3842286 U JP 3842286U JP 3842286 U JP3842286 U JP 3842286U JP S62150899 U JPS62150899 U JP S62150899U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- capacitor
- lighting device
- charging
- circuit
- 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 5
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は、この考案による放電灯用点灯装置の
一実施例を示すブロツク図、第２図は同実施例に
おける要部の具体的な回路図、第３図は従来の放
電灯用点灯装置の一例を示す図、第４図は従来の
放電灯用点灯装置における重畳回路の放電用コン
デンサの充電電圧曲線を示す図ある。
図中、Ｔｒ１，Ｔｒ２：インバータ回路を構成
するトランジスタ、Ｔ２：トランス、ＳＷ：スイ
ツチ、Ｃ：放電用コンデンサ、７：放電灯、８：
電圧検出回路。
Fig. 1 is a block diagram showing an embodiment of a lighting device for a discharge lamp according to this invention, Fig. 2 is a specific circuit diagram of the main parts of the same embodiment, and Fig. 3 is a conventional lighting device for a discharge lamp. FIG. 4 is a diagram showing a charging voltage curve of a discharging capacitor in a superimposed circuit in a conventional lighting device for a discharge lamp. In the figure, Tr 1 , Tr 2 : transistors constituting the inverter circuit, T 2 : transformer, SW: switch, C: discharge capacitor, 7: discharge lamp, 8:
Voltage detection circuit.
Claims (1)
結ぶ線路に設けられたコンデンサと、このコンデ
ンサを充電する充電回路を備え、この充電回路は
、コンデンサの両端電圧が所定の値になつたとき
にコンデンサへの充電を終了するスイツチ機構を
含むことを特徴とする放電灯用点灯装置。 It includes a capacitor installed on the line connecting the main power supply circuit that drives the discharge lamp and the discharge lamp, and a charging circuit that charges this capacitor. A lighting device for a discharge lamp, characterized by including a switch mechanism for ending charging of a capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3842286U JPS62150899U (en) | 1986-03-18 | 1986-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3842286U JPS62150899U (en) | 1986-03-18 | 1986-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62150899U true JPS62150899U (en) | 1987-09-24 |
Family
ID=30850651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3842286U Pending JPS62150899U (en) | 1986-03-18 | 1986-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62150899U (en) |
-
1986
- 1986-03-18 JP JP3842286U patent/JPS62150899U/ja active Pending
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