JPS62200684A - Xenon lamp burner - Google Patents
Xenon lamp burnerInfo
- Publication number
- JPS62200684A JPS62200684A JP61041429A JP4142986A JPS62200684A JP S62200684 A JPS62200684 A JP S62200684A JP 61041429 A JP61041429 A JP 61041429A JP 4142986 A JP4142986 A JP 4142986A JP S62200684 A JPS62200684 A JP S62200684A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- xenon lamp
- voltage
- output
- supply 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
- 229910052724 xenon Inorganic materials 0.000 title claims description 23
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 title claims description 23
- 239000003990 capacitor Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 ［発（］の技術分野］ この発明はキセノンランプ点灯回路に関する。[Detailed description of the invention] [Technical field of] The present invention relates to a xenon lamp lighting circuit.
［従来技術とその問題点］
従来のキセノンランプ点灯回路においては、電圧や温度
等に対するアークの安定性を確保するため、チョッパ回
路やＤＣ−ＤＣコンバータ等からの直流の出力に高圧イ
ンパルスを重畳させる構成となっていた。チョッパ回路
等の使用により、キセノンランプの点灯は確実になるが
、その反面、外部へ妨害ノイズがリークする等の問題が
あり、その対策が困難であるとともに、点灯回路のコス
トを高価なものにしていた。[Prior art and its problems] In conventional xenon lamp lighting circuits, high-voltage impulses are superimposed on the DC output from chopper circuits, DC-DC converters, etc. in order to ensure arc stability against voltage, temperature, etc. It was configured. The use of a chopper circuit, etc. makes it possible to ensure the lighting of the xenon lamp, but on the other hand, there are problems such as interference noise leaking to the outside, which is difficult to countermeasure, and also increases the cost of the lighting circuit. was.
［発明の［１的］
この発明は上記のＩＧ情を鑑みてなされたものでその目
的とするところは、チョッパ回路等を使用することなく
、確実にキセノンランプを点灯させる安価なキセノンラ
ンプ点灯回路を提供することにある。[Object 1 of the Invention] This invention was made in view of the above-mentioned IG circumstances, and its purpose is to provide an inexpensive xenon lamp lighting circuit that reliably lights a xenon lamp without using a chopper circuit or the like. Our goal is to provide the following.
［発明の要点］
この発明は上記の［１的を達成するため、高圧インパル
ス発生昇圧回路の出力端に、管電圧供給回路及びこれと
並列接続された時定数を右するメイン電源回路を接続し
たことを費点とするものである。[Summary of the Invention] In order to achieve the above-mentioned [Object 1], the present invention connects a tube voltage supply circuit and a main power supply circuit that controls a time constant connected in parallel to the output terminal of the high-voltage impulse generation booster circuit. This is considered a cost point.
［実施例］
以下、図面を参照して、この考案の一実施例について詳
細に説明する。[Example] Hereinafter, an example of this invention will be described in detail with reference to the drawings.
本実施例の回路構成を第１図に示す、Ｓｌは電源スィッ
チで、Ｓ２は始動時一定時間オン状態となるタイマー等
で構成されるトリガースイッチである。ＴＩは高圧発生
用トランスであり、その２次側には、ダイオードＤＩ、
コンデンサＣＩ、放電ギャップ３が接続されている。放
電ギヤー２プ３を介して発生する高圧インパルスは、パ
ルストランス等で構成される高圧重畳用トランスＴ２を
介して、直流回路に重畳される構成となっている。The circuit configuration of this embodiment is shown in FIG. 1. Sl is a power switch, and S2 is a trigger switch composed of a timer or the like that is turned on for a certain period of time at the time of starting. TI is a transformer for high voltage generation, and on the secondary side there are diodes DI,
A capacitor CI and a discharge gap 3 are connected. The high-voltage impulse generated via the discharge gear 2p3 is superimposed on the DC circuit via a high-voltage superimposition transformer T2 composed of a pulse transformer or the like.
Ａ Ｃ’ｉ［ｉ：源は整流ブリッジｌによりｆｆｉ流さ
れる。整流ブリッジｌの出力回路である直流回路は、始
動時にキセノンランプ２に電圧を供給する管供給電圧回
路と、キセノンランプ２の点灯を維持するメイン電源回
路より成る。抵抗Ｒ１を介して整流ブリッジ１の出力を
平滑するｆ滑コンデンサＣ２の１・１一端には、抵抗Ｒ
２とＲ３より成る分圧回路が接続されており、その分圧
点より抵抗Ｒ４，ダイオードＤ２を介して高圧重畳用ト
ランスＴ２の２次側（出力側）の一端に至っている。こ
れらにより、管供給電圧回路が構成される。A C'i[i: The source is ffi-fed by the rectifying bridge l. The DC circuit, which is the output circuit of the rectifier bridge 1, consists of a tube supply voltage circuit that supplies voltage to the xenon lamp 2 during startup, and a main power supply circuit that maintains the lighting of the xenon lamp 2. A resistor R is connected to one end of the f-smoothing capacitor C2, which smooths the output of the rectifying bridge 1 via the resistor R1.
A voltage dividing circuit consisting of T2 and R3 is connected, and the voltage dividing point reaches one end of the secondary side (output side) of the high voltage superimposing transformer T2 via a resistor R4 and a diode D2. These constitute a tube supply voltage circuit.
一方、メイン電源回路は、抵抗Ｒ５とＲ６より成る分圧
回路、その分圧点より抵抗Ｒ７、ダイオードＤ３を介し
て高圧毛長用トランスＴ２の２次側の一端に結合する回
路及びダイオードＤ３の出力側と整流器ｌの負側とを結
合するコンデンサＣ３、Ｃ４より成る。On the other hand, the main power supply circuit includes a voltage dividing circuit consisting of resistors R5 and R6, a circuit connecting the voltage dividing point to one end of the secondary side of the high voltage hair length transformer T2 via a resistor R7 and a diode D3, and a circuit connecting the voltage dividing point to one end of the secondary side of the high voltage hair length transformer T2. It consists of capacitors C3 and C4 that connect the output side to the negative side of rectifier l.
次に、動作を説明すると、まず電源スィッチＳ１をオン
すると、抵抗Ｒ１，Ｒ２，Ｒ４，ダイオードＤ２を経て
キセノンランプ２に管供給電圧が印加される。ここでト
リガースイッチＳ２がトリガーされ、高圧発生用トラン
スＴＩの２次側に高圧が発生し、コンデンサＣｔが充電
されるため、放電ギャップ３にて放電が起こり、これが
高圧インパルスとして高圧重畳用トランスＴ２を通って
キャノンランプ２に供給される。これにより、キセノン
ランプ２が放電を開始すると、抵抗Ｒ５、Ｒ７，コンデ
ンサＣ３を経て、メイン電圧がキセノンランプに供給さ
れ点灯する。第２図に、第１図の回路の各部の信号のタ
イミングを示しであるので参照されたい。Next, the operation will be explained. First, when the power switch S1 is turned on, the tube supply voltage is applied to the xenon lamp 2 via the resistors R1, R2, R4, and the diode D2. At this point, the trigger switch S2 is triggered, and a high voltage is generated on the secondary side of the high voltage generation transformer TI, and the capacitor Ct is charged, so that discharge occurs in the discharge gap 3, and this is generated as a high voltage impulse in the high voltage superimposition transformer T2. It is supplied to the cannon lamp 2 through. As a result, when the xenon lamp 2 starts discharging, the main voltage is supplied to the xenon lamp via resistors R5, R7, and capacitor C3, and the xenon lamp is turned on. Please refer to FIG. 2, which shows the timing of signals in each part of the circuit of FIG. 1.
次に１点灯状態下で負荷のキセノンランプ２に変化が生
じた場合、例えば何らかの理由によりランプ電流が増加
（キセノンランプ２の両端の電圧上シ１）シた場合につ
いて説明する。この場合、抵抗Ｒ５とＲ６の分圧点の電
圧ｖ８が減少し、これがキセノンランプ２の印加電圧を
下げるよう作用するため、電圧は制御される。同様に電
流が減少した場合もキセノンランプに印加される電圧は
制御される。このように、メイン電源回路はキセノンラ
ンプ２の負荷状態の変化を制御し、確実な点灯を維持す
る働きがある。Next, a case will be described in which a change occurs in the xenon lamp 2 as a load under one lighting condition, for example, a case where the lamp current increases (the voltage across the xenon lamp 2 increases) for some reason. In this case, the voltage v8 at the voltage dividing point of the resistors R5 and R6 decreases, which acts to lower the voltage applied to the xenon lamp 2, so that the voltage is controlled. Similarly, when the current decreases, the voltage applied to the xenon lamp is also controlled. In this way, the main power supply circuit has the function of controlling changes in the load condition of the xenon lamp 2 and maintaining reliable lighting.
本実施例の回路は、例えば、液晶画像のプロジェクタ装
置の光源回路等に適用できる。The circuit of this embodiment can be applied to, for example, a light source circuit of a liquid crystal image projector device.
［発明の効果］
以りの説明から明らかなようにこの発明ではチョッパ回
路等を使用することなく、始動時には高電圧インパルス
を管供給電圧回路の出力に重量してキセノンランプを起
動し、点灯中はキセノンランプの状！８を、上記管供給
電圧回路に並列接続した１時定数を有するメイン電源回
路で安定に制御している。したがって、妨害ノイズの電
源ライン等へのリークの問題はなく、確実にキセノンラ
ンプを点灯でき、コスト上も安価に構成でき、その効果
は大きい。[Effects of the Invention] As is clear from the above description, the present invention does not use a chopper circuit or the like, but instead applies a high voltage impulse to the output of the tube supply voltage circuit at startup to start the xenon lamp and keep it lit during lighting. It looks like a xenon lamp! 8 is stably controlled by a main power supply circuit having a time constant of 1 connected in parallel to the tube supply voltage circuit. Therefore, there is no problem of interference noise leaking to the power supply line, etc., the xenon lamp can be reliably lit, and the structure can be constructed at low cost, which is highly effective.
第１図はこの発明の一実施例を示す回路構成図、第２図
は第１図の回路の各部の信号のタイミングチャートであ
る。
Ｒ２、Ｒ３，Ｒ４＆Ｄ２・・・・・・管供給電圧回路。
Ｒ５、Ｒ６，Ｒ７、Ｄ３＆Ｃ３、Ｃ４・・・・・・メイ
ン電源回路、Ｔｌ、Ｄｌ、Ｃ１，３＆Ｔ２・・・・・・
高圧インパルス発生昇圧回路。
代理人 弁理Ｌ 町 １）俊 正
第１図
第２図FIG. 1 is a circuit configuration diagram showing an embodiment of the present invention, and FIG. 2 is a timing chart of signals of various parts of the circuit of FIG. R2, R3, R4 & D2...Tube supply voltage circuit. R5, R6, R7, D3 & C3, C4... Main power supply circuit, Tl, Dl, C1, 3 & T2...
High voltage impulse generation boost circuit. Attorney L Town 1) Tadashi Toshi Figure 1 Figure 2
Claims (1)
パルス出力を直流に重畳させてキセノンランプを点灯さ
せるキセノンランプ点灯回路において、上記高圧インパ
ルス発生昇圧回路の出力端に、並列接続された管電圧供
給回路と時定数を有するメイン電源回路の出力を接続し
たことを特徴とするキセノンランプ点灯回路。In a xenon lamp lighting circuit that lights a xenon lamp by superimposing a high-voltage impulse output from a high-voltage impulse generation booster circuit on direct current at startup, a tube voltage supply circuit and a tube voltage supply circuit connected in parallel are connected to the output end of the high-voltage impulse generation booster circuit. A xenon lamp lighting circuit characterized in that an output of a main power supply circuit having a time constant is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61041429A JPS62200684A (en) | 1986-02-28 | 1986-02-28 | Xenon lamp burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61041429A JPS62200684A (en) | 1986-02-28 | 1986-02-28 | Xenon lamp burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62200684A true JPS62200684A (en) | 1987-09-04 |
Family
ID=12608122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61041429A Pending JPS62200684A (en) | 1986-02-28 | 1986-02-28 | Xenon lamp burner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62200684A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007176692A (en) * | 2005-12-28 | 2007-07-12 | Toshiba Elevator Co Ltd | Handrail structure of passenger conveyor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS563144B2 (en) * | 1974-04-20 | 1981-01-23 | ||
| JPS60216946A (en) * | 1983-06-22 | 1985-10-30 | エムハート インコーポレーテッド | Power blind rivet clamp machine |
-
1986
- 1986-02-28 JP JP61041429A patent/JPS62200684A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS563144B2 (en) * | 1974-04-20 | 1981-01-23 | ||
| JPS60216946A (en) * | 1983-06-22 | 1985-10-30 | エムハート インコーポレーテッド | Power blind rivet clamp machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007176692A (en) * | 2005-12-28 | 2007-07-12 | Toshiba Elevator Co Ltd | Handrail structure of passenger conveyor |
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