JPS61202899U - - Google Patents
Info
- Publication number
- JPS61202899U JPS61202899U JP8723385U JP8723385U JPS61202899U JP S61202899 U JPS61202899 U JP S61202899U JP 8723385 U JP8723385 U JP 8723385U JP 8723385 U JP8723385 U JP 8723385U JP S61202899 U JPS61202899 U JP S61202899U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- filament
- lighting device
- lamp lighting
- limiting element
- 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.)
- Granted
Links
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000009730 filament winding Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図はこの考案の構成を示す回路図、第２図
はこの考案の第１の実施例の回路図、第３図はこ
の考案の第２の実施例の要部回路図、第４図はポ
ジスタの抵抗―温度特性図、第５図はこの考案の
第３の実施例の要部回路図、第６図はこの考案の
第４の実施例の回路図、第７図は従来の放電灯点
灯装置の回路図、第８図は放電ランプのエミツタ
消耗状態の説明図、第９図は発振トランスの２次
電圧の波形図、第１０図は放電ランプの構造を示
す斜視図である。
９……高周波インバータ回路、１０，１１……
放電ランプ、１４〜１６……電流ヒユーズ、１７
〜１９……ポジスタ、Ｐ１，Ｐ２……過大電流制
限素子、ＯＴ……発振トランス、ＮＦ１，ＮＦ２
……フイラメント巻線、ａ，ｂ……フイラメント
。
Fig. 1 is a circuit diagram showing the configuration of this invention, Fig. 2 is a circuit diagram of a first embodiment of this invention, Fig. 3 is a main part circuit diagram of a second embodiment of this invention, and Fig. 4 is a resistance-temperature characteristic diagram of a POSISTOR, FIG. 5 is a circuit diagram of the main part of the third embodiment of this invention, FIG. 6 is a circuit diagram of a fourth embodiment of this invention, and FIG. FIG. 8 is an explanatory diagram of the emitter consumption state of the discharge lamp, FIG. 9 is a waveform diagram of the secondary voltage of the oscillation transformer, and FIG. 10 is a perspective view showing the structure of the discharge lamp. 9... High frequency inverter circuit, 10, 11...
Discharge lamp, 14-16...Current fuse, 17
~19...Posistor, P1 , P2 ...Overcurrent limiting element, OT...Oscillation transformer, NF1 , NF2
...Filament winding, a, b...Filament.
Claims (1)
次巻線に放電ランプの両フイラメント間を接続す
るとともに、前記発振トランスのフイラメント巻
線に前記放電ランプの各フイラメントを接続した
放電灯点灯装置において、前記発振トランスのフ
イラメント巻線と前記放電ランプのフイラメント
との間に過大電流制限素子を介挿接続したことを
特徴とする放電灯点灯装置。 (2) 前記過大電流制限素子が電流ヒユーズであ
る実用新案登録請求の範囲第(1)項記載の放電灯
点灯装置。 (3) 前記過大電流制限素子がサーモスイツチで
ある実用新案登録請求の範囲第(1)項記載の放電
灯点灯装置。 (4) 前記過大電流制限素子がポジスタである実
用新案登録請求の範囲第(1)項記載の放電灯点灯
装置。[Claims for Utility Model Registration] (1) 2 of oscillation transformer of high frequency inverter circuit
In the discharge lamp lighting device, the filament of the discharge lamp is connected to the next winding, and each filament of the discharge lamp is connected to the filament winding of the oscillation transformer. A discharge lamp lighting device characterized in that an overcurrent limiting element is inserted and connected between the filament and the filament. (2) The discharge lamp lighting device according to claim (1), wherein the overcurrent limiting element is a current fuse. (3) The discharge lamp lighting device according to claim (1), wherein the overcurrent limiting element is a thermoswitch. (4) The discharge lamp lighting device according to claim (1), wherein the overcurrent limiting element is a POSISTOR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985087233U JPH0539600Y2 (en) | 1985-06-10 | 1985-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985087233U JPH0539600Y2 (en) | 1985-06-10 | 1985-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61202899U true JPS61202899U (en) | 1986-12-19 |
| JPH0539600Y2 JPH0539600Y2 (en) | 1993-10-07 |
Family
ID=30639260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985087233U Expired - Lifetime JPH0539600Y2 (en) | 1985-06-10 | 1985-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0539600Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5034263U (en) * | 1973-07-23 | 1975-04-12 |
-
1985
- 1985-06-10 JP JP1985087233U patent/JPH0539600Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5034263U (en) * | 1973-07-23 | 1975-04-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0539600Y2 (en) | 1993-10-07 |