JPH0824876B2 - Light irradiation device - Google Patents
Light irradiation deviceInfo
- Publication number
- JPH0824876B2 JPH0824876B2 JP62228431A JP22843187A JPH0824876B2 JP H0824876 B2 JPH0824876 B2 JP H0824876B2 JP 62228431 A JP62228431 A JP 62228431A JP 22843187 A JP22843187 A JP 22843187A JP H0824876 B2 JPH0824876 B2 JP H0824876B2
- Authority
- JP
- Japan
- Prior art keywords
- light irradiation
- light
- housing
- cooling
- ventilation holes
- 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.)
- Expired - Fee Related
Links
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Drying Of Solid Materials (AREA)
- Coating Apparatus (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ この発明はショートアーク型の放電灯からの放射光を
被照射物に導いて、被照射物を光処理する光照射装置に
関するものである。Description: TECHNICAL FIELD The present invention relates to a light irradiation device that guides light emitted from a short arc type discharge lamp to an object to be irradiated and optically processes the object to be irradiated.
［従来の技術］ 光照射によって、接着剤，塗料，インク及びレジスト
等を硬化させたり乾燥させたり、また、逆に溶融させた
り軟化させたり、様々な処理をすることが行われてい
る。そして、上記被照射物である接着剤，塗料，イン
ク，レジスト等は、例えばキセノンランプや超高圧水銀
灯等のショートアーク型の放電灯からの光を利用して、
被照射物に光照射処理が行われている。[Prior Art] Various treatments such as curing and drying of adhesives, paints, inks, resists, and the like, and conversely melting and softening, are performed by light irradiation. Then, the adhesive, paint, ink, resist, etc., which are the objects to be irradiated, use light from a short arc type discharge lamp such as a xenon lamp or an ultra-high pressure mercury lamp,
Light irradiation processing is performed on the object to be irradiated.
光照射処理には、CD用ピックアップレンズの接着や電
子部品の基板への仮止めなどのように微小域に光を照射
しなければならない場合があり、この場合、従来より導
光ファイバを用いて上記ショートアーク型の放電灯から
の光を導き光照射する装置が知られている。In the light irradiation process, there are cases where it is necessary to irradiate light to a minute area such as adhesion of a pickup lens for CD or temporary fixing of electronic parts to a substrate.In this case, a light guide fiber is conventionally used. There is known a device that guides light from the short arc type discharge lamp and irradiates the light.
第３図は従来の光照射装置の概略説明図であり、１は
ショートアーク型の放電灯（以下ランプという）、1aは
ランプ１の上端に設けられたねじ込のためのリード棒、
1bは下部端子、２′はこのランプ１の保持体、２′ａは
保持体通風孔であり、この保持体２にランプ１のリード
棒1aをねじ込んで保持する。３は前記ランプ１の放電ア
ークの中心がその第１焦点に位置するように配置された
楕円集光鏡、3aはこの楕円集光鏡３の底部開口部、５は
ランプ１からの光を被照射物に導くための導光ファイ
バ、51′は導光ファイバ取付ホルダで、この導光ファイ
バ５の出射側の先端部に集光レンズ54を取付ける。６′
は集光鏡保持板、6a′はこの集光鏡保持板６′の通風
孔、７′は筐筒、７′ａは筐筒７′の通風孔、71はスタ
ンドアーム、72はスタンド、73はスタンド底板、10′は
送風ファンである。またＰは電源部で、l1,l2はリード
線であり、この電源部Ｐにも不図示の冷却ファンが設け
られている。FIG. 3 is a schematic explanatory view of a conventional light irradiation device, 1 is a short arc type discharge lamp (hereinafter referred to as a lamp), 1a is a lead rod for screwing provided on the upper end of the lamp 1,
Reference numeral 1b is a lower terminal, 2'is a holder for the lamp 1, 2'a is a holder ventilation hole, and the lead rod 1a of the lamp 1 is screwed into and held by the holder 2. Reference numeral 3 denotes an elliptical focusing mirror arranged so that the center of the discharge arc of the lamp 1 is located at its first focal point, 3a denotes a bottom opening of the elliptical focusing mirror 3, and 5 denotes light from the lamp 1. A light guide fiber 51 'for guiding the object to be irradiated is a light guide fiber attachment holder, and a condenser lens 54 is attached to the tip of the light guide fiber 5 on the emission side. 6 '
Is a condenser mirror holding plate, 6a 'is a ventilation hole of the condenser mirror holding plate 6', 7'is a housing cylinder, 7'a is a ventilation hole of the housing cylinder 7 ', 71 is a stand arm, 72 is a stand, 73 Is a stand bottom plate and 10 'is a blower fan. Further, P is a power supply unit, l 1 and l 2 are lead wires, and the power supply unit P is also provided with a cooling fan (not shown).
第３図の装置において、導光ファイバ５の入射側端面
5aは楕円集光鏡３の第２焦点に位置するように設置され
ており、導光ファイバ５の端面5aから入射したランプ１
の光は出射側でレンズ54により再び集光されて被照射物
に光照射される。そして、この筐筒７′の内部は送風フ
ァン10′からの風が筐筒７′の通風孔７′ａより入り、
集光鏡３の底部開口部3aもしくは通風孔6a′を経て保持
体通風孔２′ａより外部へ排出されることにより冷却さ
れる。In the device of FIG. 3, the incident side end face of the light guide fiber 5
5a is installed so as to be located at the second focal point of the elliptical focusing mirror 3, and the lamp 1 incident from the end surface 5a of the light guide fiber 5
The light is condensed again by the lens 54 on the emission side and is irradiated onto the irradiation object. The air from the blower fan 10 'enters the inside of the casing 7'through the ventilation holes 7'a of the casing 7'.
It is cooled by being discharged to the outside from the holder ventilation hole 2'a through the bottom opening 3a of the condenser mirror 3 or the ventilation hole 6a '.
［発明が解決しようとする問題点］ 上記のような従来の光照射装置は、筐体の下部に導光
ファイバを取付けているために、筐体を空間で支持する
支柱や取付部材が必要であり、また、導光ファイバが下
から出ているため操作をする際に煩わしく、その上、装
置が大がかりになって小型化できないという問題があっ
た。[Problems to be Solved by the Invention] In the conventional light irradiating device as described above, since the light guide fiber is attached to the lower portion of the housing, a column or a mounting member for supporting the housing in space is required. In addition, there is a problem that the light guide fiber is protruding from the bottom, which is troublesome to operate, and in addition, the device becomes large and cannot be downsized.
その上、ランプ用の電源部と光照射部が別体であるた
め、広いスペースを必要とし、操作性が悪いという問題
があった。In addition, since the power source unit for the lamp and the light irradiation unit are separate units, there is a problem that a wide space is required and the operability is poor.
そこで、前記電源部と光照射部とを一体にすることが
考えられてるが、その場合、発熱体は光照射部と電源部
の２つになるが、この２つの冷却系を互いに別の冷却系
で冷却すると装置が小型化できないという問題があっ
た。Therefore, it is considered to integrate the power supply unit and the light irradiation unit. In that case, the heat generating unit has two units, the light irradiation unit and the power supply unit, and these two cooling systems are separately cooled. There was a problem that the device could not be downsized if cooled by the system.
この発明はかかる問題点を解決するためになされたも
ので、電源部と光照射部とを一体化し、冷却系を１つに
し、これによって冷却可能でコンパクトな光照射装置を
提供することを目的とする。The present invention has been made to solve the above problems, and an object thereof is to provide a compact and light-irradiating device capable of cooling by integrating a power supply unit and a light-irradiating unit into one cooling system. And
［問題点を解決するための手段］ 上記の目的を達成するために、この発明の光照射装置
は光照射部と電源部とを複数の通風孔を設けた仕切板で
仕切り、さらに、電源部側の筐体外壁には冷却風取入口
を設け、かつ前記光照射部側の筐体外壁には冷却ファン
もしくは冷却ダクト取付口を設けた構成を有するもので
ある。[Means for Solving Problems] In order to achieve the above object, the light irradiation device of the present invention divides the light irradiation unit and the power supply unit by a partition plate having a plurality of ventilation holes, and further, the power supply unit. The cooling air intake is provided on the outer wall of the housing on the side, and the cooling fan or the cooling duct mounting opening is provided on the outer wall of the housing on the side of the light irradiation unit.
［作用］ 上記の構成を有することにより、仕切板に設けられた
通風孔により光照射部に入る冷却風の通風方向や風量を
制御することができる。[Operation] With the above configuration, it is possible to control the ventilation direction and volume of the cooling air entering the light irradiation section by means of the ventilation holes provided in the partition plate.
［実施例］ 第１図（ａ）はこの発明の一実施例を示す光照射装置
の主要部の断面図で、同図（ｂ）は同図（ａ）の平面図
であり、21はランプ保持体支持板、22はこのランプ保持
体支持板21の支柱、23は電源コード取付端子、４はコー
ルドミラーからなる平面反射鏡、41はスペーサ、51は導
光ファイバ取付ホルダ、52はビス、53は熱線カットフィ
ルタ、６は鋳物で一体成形された支持フレーム、6aは支
持フレーム６の通風孔、７は筐体、7aは電源部の筐体外
壁に設けられた冷却風取入口である吸気孔、7a′は筐体
底部吸気孔、８は支柱、９は受光した熱線による熱を放
熱するための放熱フィン9aを取付けたフィン支持板、10
は排風ファンとして機能する冷却ファン、11はシャッタ
板、12はシャッタ板11を駆動するロータリソレノイド、
13は光照射部と電源部を仕切る仕切板、14は制御板、14
aは制風板通風孔、15はランプ制風板、16,17は遮光兼通
風筒、Ｈは光照射部、Ｐは電源部である。[Embodiment] FIG. 1 (a) is a sectional view of a main part of a light irradiation device showing an embodiment of the present invention, FIG. 1 (b) is a plan view of FIG. 1 (a), and 21 is a lamp. A holder support plate, 22 a column of this lamp holder support plate 21, 23 a power cord attachment terminal, 4 a flat reflecting mirror made of a cold mirror, 41 a spacer, 51 a light guide fiber attachment holder, 52 a screw, Reference numeral 53 is a heat ray cut filter, 6 is a support frame integrally formed by casting, 6a is a ventilation hole of the support frame 6, 7 is a housing, and 7a is a cooling air intake provided on the outer wall of the housing of the power supply unit. Holes, 7a 'are intake holes at the bottom of the housing, 8 are columns, 9 is a fin support plate to which heat radiation fins 9a for radiating heat from the received heat rays are attached, 10
Is a cooling fan that functions as an exhaust fan, 11 is a shutter plate, 12 is a rotary solenoid that drives the shutter plate 11,
13 is a partition plate that separates the light irradiation unit from the power supply unit, 14 is a control plate, 14
a is a ventilation plate ventilation hole, 15 is a lamp ventilation plate, 16 and 17 are light blocking and ventilation tubes, H is a light irradiation part, and P is a power supply part.
また、第２図は第１図の仕切板13を詳細に示した図
で、13a,13b,13c,13dはこの仕切板13に設けられた通風
孔で、13aはステム1cの封止部周辺を冷却するためにそ
の近傍に、また、13bはシャッタ板11の駆動源であるロ
ータリソレノイド12を冷却するためにその近傍に、さら
に13cは導光ファイバ５の端面5aを冷却するためにその
近傍に、13dは制風板14の通風孔14aの近傍に、それぞれ
配設される。そして、電源部に設けられた吸気孔7aは第
１図（ｂ）に示す位置でもよいし、冷却ファン10と同じ
側に設けてもよい。また、第１図，第２図において、第
３図と同一符号は同一または相当部分を示す。Further, FIG. 2 is a view showing the partition plate 13 of FIG. 1 in detail, 13a, 13b, 13c and 13d are ventilation holes provided in this partition plate 13 and 13a is the periphery of the sealing portion of the stem 1c. In order to cool the end face 5a of the light guide fiber 5 and 13b in the vicinity thereof for cooling the rotary solenoid 12 which is the drive source of the shutter plate 11. Further, 13d are arranged in the vicinity of the ventilation holes 14a of the wind control plate 14, respectively. The intake hole 7a provided in the power supply unit may be provided at the position shown in FIG. 1 (b) or may be provided on the same side as the cooling fan 10. Further, in FIGS. 1 and 2, the same reference numerals as those in FIG. 3 indicate the same or corresponding portions.
第１図において、冷却ファン10による排気によって、
電源部Ｐに冷却風取入口である吸気孔7aから吸込まれた
空気は、矢印の方向に進み、電源部Ｐを冷却して後、前
述の各冷却に必要な部所に対応して設けられた仕切板13
の各通風孔13a,13b,13c,13dから光照射部Ｈに流入す
る。通風孔13aからの風はランプ１のステム1cの方向
へ、また、通風孔13dからの風は制風板14の通風孔14aを
経て、ランプ制風板15に沿い、ランプ制風板15の下部も
しくは側端から支持フレーム６の通風孔6aを経て楕円集
光鏡３の裏面を冷却するか、もしくは楕円集光鏡３の反
射面及びランプ１を冷却した後、楕円集光鏡３の底部開
口部3aを通過して冷却ファン10から排気される。また、
通風孔13cからの風は導光ファイバ取付ホルダ51付近へ
導いて導光ファイバ５の入射側端面5aや熱線カットフィ
ルタ53を空冷し、さらに、通風孔13bの風はロータリソ
レノイド12を冷却しながら光照射部Ｈ内を通風して排気
される。また一方、筐体底部吸気孔7a′から流入した空
気はコールドミラーからなる平面反射鏡４と放熱フィン
9aを取付けたフィン支持板９の間を冷却しながら光照射
部Ｈ内を通り、冷却ファン10から排気される。In FIG. 1, by the exhaust by the cooling fan 10,
The air sucked into the power source section P from the intake hole 7a, which is a cooling air intake, travels in the direction of the arrow to cool the power source section P, and is provided corresponding to the above-mentioned necessary parts for cooling. Partition plate 13
From the respective ventilation holes 13a, 13b, 13c, 13d into the light irradiation part H. The wind from the ventilation hole 13a is directed toward the stem 1c of the lamp 1, and the wind from the ventilation hole 13d passes through the ventilation hole 14a of the wind control plate 14 and follows the lamp ventilation plate 15 along the lamp ventilation plate 15. After cooling the back surface of the elliptical focusing mirror 3 through the ventilation holes 6a of the support frame 6 from the lower portion or the side edge, or after cooling the reflecting surface of the elliptical focusing mirror 3 and the lamp 1, the bottom portion of the elliptical focusing mirror 3 is cooled. After passing through the opening 3a, it is exhausted from the cooling fan 10. Also,
The air from the ventilation hole 13c is guided to the vicinity of the light guide fiber mounting holder 51 to air-cool the incident side end surface 5a of the light guide fiber 5 and the heat ray cut filter 53, and the air from the ventilation hole 13b cools the rotary solenoid 12. The light irradiation section H is ventilated and exhausted. On the other hand, the air that has flowed in through the air intake hole 7a 'at the bottom of the housing is cooled by the flat reflecting mirror 4 made of a cold mirror and the heat radiation fin.
While cooling the space between the fin support plates 9 to which 9a is attached, it passes through the inside of the light irradiation section H and is exhausted from the cooling fan 10.
本実施例の導光ファイバ取付ホルダには、取付構造の
同一な種々のタイプの導光ファイバや、直接照射の光学
ユニットなどが適宜交換取付られて使用される。In the light guide fiber attachment holder of this embodiment, various types of light guide fibers having the same attachment structure, optical units for direct irradiation, etc. are appropriately exchanged and attached for use.
尚、上記実施例においては、仕切板13に４個の通風孔
を設けた場合について説明したが、仕切板13の各通風孔
は４個に限らず、必要に応じて必要な場所に必要な個数
設けることができるのは当然のことである。In the above embodiment, the case where the partition plate 13 is provided with four ventilation holes has been described. However, the number of each ventilation hole of the partition plate 13 is not limited to four, and the ventilation holes may be provided at necessary places as needed. As a matter of course, it is possible to provide a number.
また、本実施例では、光照射部は平面反射鏡を用いて
コンパクトにして、かつ、導光ファイバを筐体７の側部
に設けて作業制を良くしている。また、上記実施例にお
いて、光照射部Ｈ側の筐体外壁に冷却ファン10を設けた
が、筐体と冷却ファン10を冷却ダクトを介して接続して
も良い。この場合、本実施例の冷却ファン10の取付け位
置に冷却ダクトと接続される冷却ダクト取付口を形成す
れば、同様の効果を得ることができる。Further, in this embodiment, the light irradiating section is made compact by using a plane reflecting mirror, and the light guide fiber is provided on the side portion of the housing 7 to improve the work control. Further, in the above embodiment, the cooling fan 10 is provided on the outer wall of the housing on the side of the light irradiation section H, but the housing and the cooling fan 10 may be connected via a cooling duct. In this case, the same effect can be obtained by forming a cooling duct mounting port connected to the cooling duct at the mounting position of the cooling fan 10 of this embodiment.
［発明の効果］ 以上詳細に説明したとおり、この発明は光照射部と電
源部とを複数の通風孔を設けた仕切板で仕切り、さら
に、電源部側の筐体外壁には冷却風取入口を設け、かつ
前記光照射部側の筐体外壁には冷却ファンもしくは冷却
ダクト取付口を設けた構成を有するので、仕切板に設け
られた通風孔により光照射部に入る冷却風の通風方向及
び量を制御することができるので、必要な冷却箇所に必
要量の風を送風することができる。[Effects of the Invention] As described in detail above, according to the present invention, the light irradiation unit and the power supply unit are partitioned by a partition plate having a plurality of ventilation holes, and further, the cooling air intake port is provided on the outer wall of the housing on the power supply unit side. And a cooling fan or a cooling duct attachment port is provided on the outer wall of the housing on the side of the light irradiation unit, so that the ventilation direction of the cooling air entering the light irradiation unit by the ventilation holes provided in the partition plate and Since the amount can be controlled, the required amount of air can be blown to the required cooling location.
さらに、電源部と光照射部が１つ筐体に納められてい
るので、装置が小型になる。Furthermore, since the power supply unit and the light irradiation unit are housed in a single housing, the device becomes compact.
第１図（ａ）はこの発明の一実施例を示す光照射装置の
主要部の断面図で、同図（ｂ）は同図（ａ）の平面図、
第２図は第１図の仕切板を詳細に示した図、第３図は従
来の光照射装置の側断面図である。 図中． 1:ランプ、3:楕円集光鏡 4:平面反射鏡、5:導光ファイバ 7:筐体、9:フィン支持板 10:冷却ファン、11:シャッタ板 12:ロータリソレノイド 13:仕切板 13a,13b,13c,13d:通風孔FIG. 1 (a) is a sectional view of a main part of a light irradiation device showing an embodiment of the present invention, FIG. 1 (b) is a plan view of FIG. 1 (a),
FIG. 2 is a detailed view of the partition plate of FIG. 1, and FIG. 3 is a side sectional view of a conventional light irradiation device. In the figure. 1: Lamp, 3: Elliptical focusing mirror 4: Planar reflecting mirror, 5: Light guide fiber 7: Case, 9: Fin support plate 10: Cooling fan, 11: Shutter plate 12: Rotary solenoid 13: Partition plate 13a, 13b, 13c, 13d: ventilation holes
Claims (3)
反射鏡と光出射部とからなる光照射部と、電源部とを１
つの筐体に収納した光照射装置において、前記光照射部
と電源部とを複数の通風孔を設けた仕切板で仕切り、さ
らに、電源部側の筐体外壁には冷却風取入口を設け、か
つ前記光照射部側の筐体外壁には冷却ファンもしくは冷
却ダクト取付口を設けたことを特徴とする光照射装置。1. A light source comprising a short arc type discharge lamp, a condenser mirror, a plane reflecting mirror and a light emitting section, and a power source section.
In the light irradiation device housed in one housing, the light irradiation unit and the power supply unit are partitioned by a partition plate having a plurality of ventilation holes, and further, a cooling air intake is provided on the outer wall of the housing on the power supply unit side, Further, the light irradiation device is characterized in that a cooling fan or a cooling duct attachment port is provided on an outer wall of the housing on the light irradiation portion side.
の冷却風通風孔と、放電灯下部封止部及び集光鏡の冷却
風通風孔と、平面反射鏡及び光出射部の冷却風通風孔と
を含むことを特徴とする特許請求の範囲第（１）項記載
の光照射装置。2. The ventilation holes provided in the partition plate are cooling air ventilation holes in the discharge lamp upper sealing portion, cooling air ventilation holes in the discharge lamp lower sealing portion and the condenser mirror, and a flat reflecting mirror and a light emitting portion. 7. The light irradiation device according to claim 1, further comprising: a cooling air ventilation hole.
配置されることを特徴とする特許請求の範囲第（１）項
または第（２）項記載の光照射装置。3. The light irradiating device according to claim 1, wherein an incident end face of the light guide fiber is arranged in the light emitting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62228431A JPH0824876B2 (en) | 1987-09-14 | 1987-09-14 | Light irradiation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62228431A JPH0824876B2 (en) | 1987-09-14 | 1987-09-14 | Light irradiation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6475068A JPS6475068A (en) | 1989-03-20 |
| JPH0824876B2 true JPH0824876B2 (en) | 1996-03-13 |
Family
ID=16876377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62228431A Expired - Fee Related JPH0824876B2 (en) | 1987-09-14 | 1987-09-14 | Light irradiation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0824876B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW568988B (en) * | 2001-03-26 | 2004-01-01 | Benq Corp | Light device with cooling means |
| JP2012078292A (en) * | 2010-10-05 | 2012-04-19 | Shimadzu Corp | Gas chromatograph |
-
1987
- 1987-09-14 JP JP62228431A patent/JPH0824876B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6475068A (en) | 1989-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100530649B1 (en) | Projector | |
| JPH1144799A (en) | Optical path split type ultraviolet irradiation device | |
| KR101080538B1 (en) | Projection type display apparatus and cooling apparatus of lamp | |
| JP2004069966A5 (en) | ||
| JP4852907B2 (en) | Display panel bonding equipment | |
| US6906840B1 (en) | Optical modulator, optical device having the optical modulator and projector having the same | |
| CN108427239A (en) | Light supply apparatus and projection arrangement | |
| JPH0824876B2 (en) | Light irradiation device | |
| KR100857936B1 (en) | Light source unit and projector apparatus | |
| JPH07114993B2 (en) | Light irradiation device | |
| JP2005241969A (en) | Heat absorbing device for optical device and projector device | |
| JP2668833B2 (en) | Light irradiator | |
| JP2007115541A (en) | Light source unit | |
| JPS5914838A (en) | Light source apparatus | |
| JPH0618585Y2 (en) | Light irradiator | |
| JPH0729081B2 (en) | Light irradiation device | |
| JP2000162397A (en) | Ultraviolet curing device | |
| JP2004292799A (en) | Resin hardening device | |
| JPH0546004Y2 (en) | ||
| KR0133675Y1 (en) | Radiator structure of projector | |
| JP2003084368A (en) | Projector | |
| JPH053214Y2 (en) | ||
| CN114114815B (en) | Heating device, light source device and projection device | |
| JPH01250907A (en) | Light guide fiber unit and light irradiating device using said unit | |
| JPH10286509A (en) | Ultraviolet-ray radiation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |