JPH034499U - - Google Patents
Info
- Publication number
- JPH034499U JPH034499U JP6465389U JP6465389U JPH034499U JP H034499 U JPH034499 U JP H034499U JP 6465389 U JP6465389 U JP 6465389U JP 6465389 U JP6465389 U JP 6465389U JP H034499 U JPH034499 U JP H034499U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- circuit
- inductance
- heat generation
- resonant
- 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
- 230000020169 heat generation Effects 0.000 claims 2
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は本考案の一実施例の回路図、第２、第
４、第５図は本考案の部品配置図の一実施例の構
成説明図、第３図は従来の回路図である。
１…直流電源、２…共振用コンデンサ、３…共
振用インダクタンス、４…熱検知素子、５…バラ
スト用インダクタンス、６…帰還トランス、７…
放電灯、８…予熱用コンデンサ、９…トランジス
タ、１０…ダイオード、１１…コンデンサ、１２
…抵抗、１３…プリント基板、１４…導体。
FIG. 1 is a circuit diagram of an embodiment of the present invention, FIGS. 2, 4, and 5 are configuration explanatory diagrams of an embodiment of the component layout diagram of the present invention, and FIG. 3 is a conventional circuit diagram. 1... DC power supply, 2... Capacitor for resonance, 3... Inductance for resonance, 4... Heat detection element, 5... Inductance for ballast, 6... Feedback transformer, 7...
Discharge lamp, 8... Preheating capacitor, 9... Transistor, 10... Diode, 11... Capacitor, 12
...Resistor, 13...Printed circuit board, 14...Conductor.
Claims (1)
周波電圧に変換し放電灯を点灯させる放電灯点灯
回路において、コンデンサとインダクタンスを並
列に接続した共振回路の共振用インダクタンスと
放電灯と直列に接続されたバラスト用インダクタ
ンスの発熱を検知して、異常発熱時に回路を停止
させる停止回路を設けたことを特徴とした放電灯
点灯回路。 In a discharge lamp lighting circuit that converts DC voltage into high-frequency voltage via a transistor inverter to light the discharge lamp, there is a resonant inductance in a resonant circuit in which a capacitor and an inductance are connected in parallel, and a ballast inductance connected in series with the discharge lamp. A discharge lamp lighting circuit characterized by being equipped with a stop circuit that detects heat generation and stops the circuit in the event of abnormal heat generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6465389U JPH034499U (en) | 1989-06-02 | 1989-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6465389U JPH034499U (en) | 1989-06-02 | 1989-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH034499U true JPH034499U (en) | 1991-01-17 |
Family
ID=31595789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6465389U Pending JPH034499U (en) | 1989-06-02 | 1989-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH034499U (en) |
-
1989
- 1989-06-02 JP JP6465389U patent/JPH034499U/ja active Pending
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