JPH0429112U - - Google Patents
Info
- Publication number
- JPH0429112U JPH0429112U JP7026290U JP7026290U JPH0429112U JP H0429112 U JPH0429112 U JP H0429112U JP 7026290 U JP7026290 U JP 7026290U JP 7026290 U JP7026290 U JP 7026290U JP H0429112 U JPH0429112 U JP H0429112U
- Authority
- JP
- Japan
- Prior art keywords
- lamp
- pressure discharge
- discharge lamp
- circuit
- cooling means
- 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
- 238000001816 cooling Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000004907 flux Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は、本考案の第１の実施例を示す回路図
、第２図は同上のランプ電圧とフアン風量の関係
を示すグラフ図、第３図は同上のランプ電圧及び
フアン風量を示すタイムチヤート、第４図は同上
のランプ光束を示すタイムチヤート、第５図は、
本考案の第２の実施例を示す回路図、第６図は同
上のランプ電圧とフアン風量の関係を示すグラフ
図、第７図は同上のランプ電圧とフアン風量を示
すタイムチヤート、第８図は同上のランプ光束を
示すタイムチヤート、第９図は、本考案の第３の
実施例を示す回路図、第１０図は、本考案の第４
の実施例を示す回路図、第１１図は、従来のプロ
ジエクター装置を示す構成ブロツク図、第１２図
は、同上の光学系に係る構成原理図、第１３図は
、同上の回路図、第１４図は、同上のフアンの風
量を示すタイムチヤートである。
１……高圧放電灯装置、３……高圧放電ランプ
、４……点灯回路、８……強制空冷手段、１０…
…ランプ電圧検出回路、１１……風量制御回路、
１２……判定回路、１３……タイマー回路、１４
……電圧検出回路、ＳＷ１……メインスイツチ、
ＳＷ２……フアンスイツチ。
Fig. 1 is a circuit diagram showing the first embodiment of the present invention, Fig. 2 is a graph showing the relationship between the lamp voltage and fan air volume as above, and Fig. 3 is a time diagram showing the lamp voltage and fan air volume as above. Chart, Figure 4 is a time chart showing the luminous flux of the same lamp, Figure 5 is,
A circuit diagram showing a second embodiment of the present invention, Fig. 6 is a graph showing the relationship between the lamp voltage and fan air volume as above, Fig. 7 is a time chart showing the lamp voltage and fan air volume as above, and Fig. 8 9 is a time chart showing the luminous flux of the same lamp as above, FIG. 9 is a circuit diagram showing the third embodiment of the present invention, and FIG. 10 is the fourth embodiment of the present invention.
FIG. 11 is a block diagram showing a conventional projector device, FIG. 12 is a diagram showing the principle of construction of the optical system, and FIG. FIG. 14 is a time chart showing the air volume of the same fan. DESCRIPTION OF SYMBOLS 1... High pressure discharge lamp device, 3... High pressure discharge lamp, 4... Lighting circuit, 8... Forced air cooling means, 10...
... Lamp voltage detection circuit, 11 ... Air volume control circuit,
12... Judgment circuit, 13... Timer circuit, 14
... Voltage detection circuit, SW1 ... Main switch,
SW2...Fan switch.
Claims (1)
、前記ランプの温度を低減させる強制空冷手段と
を備えた高圧放電灯装置において、高圧放電ラン
プの両端にランプ電圧検出回路を設け、前記強制
空冷手段の風量を、前記強制空冷手段の電源側に
設けた風量制御回路により前記ランプ電圧検出回
路の出力に基づいて、略比例して制御したことを
特徴とする高圧放電灯装置。 (2) 前記ランプ電圧検出回路と前記風量制御回
路の間に判定回路を設け、前記高圧放電ランプの
ランプ電圧が一定値以下の状態では、前記強制空
冷手段が動作しない構成としたことを特徴とする
請求項１記載の高圧放電灯装置。 (3) 前記点灯回路の電源側であつて、前記風量
制御回路の電源より点灯回路側にタイマー回路を
設け、このタイマー回路により制御されるフアン
スイツチを前記風量制御回路の電源側に設け、ラ
ンプ消灯後も一定時間は、前記強制空冷手段に電
源を供給するように構成すると共に、ランプ消灯
後も一定時間は、前記風量制御回路がその電源側
に設けた電圧検出回路により制御されて、前記強
制空冷手段が動作するように構成したことを特徴
とする請求項１記載の高圧放電灯装置。 (4) 高圧放電ランプと、該ランプの点灯回路と
、前記ランプの温度を低減させる強制空冷手段を
備えた高圧放電灯装置において、前記強制空冷手
段の電源をランプ両端からとつたことを特徴とす
る高圧放電灯装置。[Claims for Utility Model Registration] (1) In a high-pressure discharge lamp device comprising a high-pressure discharge lamp, a lighting circuit for the lamp, and forced air cooling means for reducing the temperature of the lamp, the lamps are installed at both ends of the high-pressure discharge lamp. A voltage detection circuit is provided, and the air volume of the forced air cooling means is controlled approximately proportionally based on the output of the lamp voltage detection circuit by an air volume control circuit provided on the power supply side of the forced air cooling means. High pressure discharge lamp equipment. (2) A determination circuit is provided between the lamp voltage detection circuit and the air volume control circuit, and the forced air cooling means does not operate when the lamp voltage of the high-pressure discharge lamp is below a certain value. The high pressure discharge lamp device according to claim 1. (3) A timer circuit is provided on the power supply side of the lighting circuit, which is closer to the lighting circuit than the power supply of the air volume control circuit, and a fan switch controlled by the timer circuit is provided on the power supply side of the air volume control circuit, and the lamp The configuration is such that power is supplied to the forced air cooling means for a certain period of time even after the lamp is turned off, and the air volume control circuit is controlled by a voltage detection circuit provided on the power supply side for a certain period of time even after the lamp is turned off. 2. The high pressure discharge lamp device according to claim 1, further comprising a forced air cooling means. (4) A high-pressure discharge lamp device comprising a high-pressure discharge lamp, a lighting circuit for the lamp, and forced air cooling means for reducing the temperature of the lamp, characterized in that power for the forced air cooling means is taken from both ends of the lamp. High pressure discharge lamp equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7026290U JPH0429112U (en) | 1990-06-29 | 1990-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7026290U JPH0429112U (en) | 1990-06-29 | 1990-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0429112U true JPH0429112U (en) | 1992-03-09 |
Family
ID=31606273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7026290U Pending JPH0429112U (en) | 1990-06-29 | 1990-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429112U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004103032A1 (en) * | 2003-05-14 | 2004-11-25 | Matsushita Electric Industrial Co., Ltd. | Device and method for lighting high-voltage discharge lamp |
| JP2006059824A (en) * | 2001-09-26 | 2006-03-02 | Japan Storage Battery Co Ltd | Discharge lamp lighting device |
| JP2016091728A (en) * | 2014-10-31 | 2016-05-23 | 株式会社小糸製作所 | Vehicle lamp system and control unit |
-
1990
- 1990-06-29 JP JP7026290U patent/JPH0429112U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006059824A (en) * | 2001-09-26 | 2006-03-02 | Japan Storage Battery Co Ltd | Discharge lamp lighting device |
| WO2004103032A1 (en) * | 2003-05-14 | 2004-11-25 | Matsushita Electric Industrial Co., Ltd. | Device and method for lighting high-voltage discharge lamp |
| JP2016091728A (en) * | 2014-10-31 | 2016-05-23 | 株式会社小糸製作所 | Vehicle lamp system and control unit |
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