JPS62265854A - Light source unit - Google Patents
Light source unitInfo
- Publication number
- JPS62265854A JPS62265854A JP61110030A JP11003086A JPS62265854A JP S62265854 A JPS62265854 A JP S62265854A JP 61110030 A JP61110030 A JP 61110030A JP 11003086 A JP11003086 A JP 11003086A JP S62265854 A JPS62265854 A JP S62265854A
- Authority
- JP
- Japan
- Prior art keywords
- light source
- lamp
- source unit
- base
- reflector
- 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
- 239000000758 substrate Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 abstract description 11
- 239000000470 constituent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910000680 Aluminized steel Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Landscapes
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
- Connection Of Plates (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は情報読取装置等に使用する光源ユニットに関し
、特にハロゲンランプや白熱ランプ等のランプ光を原稿
の読取位置に集光する反射板を有する光源ユニットに関
するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a light source unit used in an information reading device, etc., and particularly to a light source having a reflector that focuses lamp light from a halogen lamp, incandescent lamp, etc. onto a reading position of an original. It's about units.
従来の技術
ハロゲン２／プや白熱ランプ等のランプ光を原稿の読取
位置に集光する反射板を有する光源ユニットは、ランプ
光が可視光から赤外光まで広範囲の分光分布特性を有し
、赤外光が熱線となって放出されるため、光源ユニット
が加熱される。したがって、基板や反射板の熱膨張係数
が異なると熱膨張量が違うために変形するおそれがある
。そのため従来の光源ユニットは、基板や反射板等の構
成部材を同じ材質にするか、一体部材とすることにより
変形を防いでいた（特開昭５８−７６６４号公報）。Conventional technology A light source unit that includes a reflector that focuses lamp light from a halogen lamp, incandescent lamp, etc. onto a document reading position has lamp light that has a wide range of spectral distribution characteristics from visible light to infrared light. Since the infrared light is emitted as a heat ray, the light source unit is heated. Therefore, if the thermal expansion coefficients of the substrate and the reflecting plate are different, the amount of thermal expansion will be different and there is a risk of deformation. For this reason, in conventional light source units, deformation has been prevented by using the same material for the constituent members such as the substrate and the reflecting plate, or by making them integral members (Japanese Patent Application Laid-open No. 7664/1983).
発明が解決しようとする問題点
しかし、前記従来の光源ユニットにおいては、反射板は
ランプ光を最も有効に反射する材質（例えば高純度アル
ミニウム材のＡ１０６０等）を使用するため、反射板以
外の構成部材（例えば光源ユニットの基板等の反射面を
必要としない部材）までも同じ材質で構成していた。そ
のため光源ユニットの構成部材は、それぞれの機能に応
じて最適な材質を用いることは困難であり、コスト高に
なる。又、異なる材質で構成すると、光源ユニットが温
度上昇により熱変形をする等の問題があった。Problems to be Solved by the Invention However, in the conventional light source unit, the reflector uses a material that most effectively reflects lamp light (for example, A1060 made of high-purity aluminum material), so structures other than the reflector are required. Even the members (for example, members that do not require a reflective surface, such as the substrate of the light source unit) were made of the same material. Therefore, it is difficult to use optimal materials for the constituent members of the light source unit according to their respective functions, resulting in high costs. Furthermore, if the light source unit is made of different materials, there are problems such as thermal deformation of the light source unit due to temperature rise.
問題点を解決するだめの手段
本発明は、かかる問題点を解決するもので、機能に応じ
て最適な材質で反射板と基板を設けて、反射板を基板に
対して両端で取付け、少なくともその一方の端部は基板
と反射板との間で摺動可能に取付けるよう構成したもの
である。Means to Solve the Problems The present invention solves these problems by providing a reflector and a substrate made of the most suitable material according to the function, and attaching the reflector to the substrate at both ends. One end is configured to be slidably attached between the substrate and the reflector.
作 用 この技術的な手段による作用は次のようになる。For production The effect of this technical means is as follows.
すなわち、ハロゲンランプや白熱ランプ等のランプ光に
含まれる赤外光が熱線となって光源ユニットの反射板や
基板を加熱し熱膨張した場合にも、反射板と基板は摺動
可能に取付けているため、それぞれが異なった熱膨張係
数であっても、それによる熱膨張量の差を吸収し、変形
を防ぐものである。さらに、光源ユニットの構成部材を
、それぞれの機能に応じて最適な材質が使用可能となり
、コストダウンを図ることができるものである。In other words, even if the infrared light contained in lamp light from a halogen lamp, incandescent lamp, etc. turns into heat rays and heats the reflector and substrate of the light source unit, causing thermal expansion, the reflector and substrate should be slidably attached. Therefore, even if they have different coefficients of thermal expansion, they absorb the difference in the amount of thermal expansion and prevent deformation. Furthermore, it is possible to use the most suitable materials for the constituent members of the light source unit according to their respective functions, and it is possible to reduce costs.
実施例
以下、本発明の一実施例を添付図面にもとづいて説明す
る。第１図及び第２図において、１は光源ユニットの基
板、２は原稿を照明するラング、３ａ、ｓｂはランプへ
の電力供給端子、４はランプ光を光源の読取位置へ集光
させる反射板、５は前記基板に前記反射板を摺動可能に
取付ける係合部材である。前記反射板４は一端をねじ６
ａにより前記基板１に取付け、他端を前記基板１に設け
た突起部１ａと遊嵌するＵ溝４ａにより前記ランプ２の
長手方向に摺動可能に保合部材で取付けている。Embodiment Hereinafter, one embodiment of the present invention will be described based on the accompanying drawings. In Figures 1 and 2, 1 is the board of the light source unit, 2 is the rung that illuminates the document, 3a and sb are power supply terminals to the lamp, and 4 is a reflector that focuses the lamp light to the reading position of the light source. , 5 is an engagement member that slidably attaches the reflector to the substrate. The reflector plate 4 has one end fixed to a screw 6.
The lamp 2 is attached to the substrate 1 by a hole 1a, and the other end is attached by a retaining member so as to be slidable in the longitudinal direction of the lamp 2 through a U groove 4a that loosely fits into a protrusion 1a provided on the substrate 1.
原稿の読取時ランプ２が点灯すると、ランプ光に含まれ
る赤外光が熱線となり、基板１及び反射板４は加熱され
、それぞれの材質（例えば基板としてアルミダイキャス
ト又は樹脂による成形品等を用い、反射板として高純度
アルミニウム材又はアルミメッキ鋼板等を用いる。）に
応じて熱膨張する。しかしこの時、基板１と反射板の熱
膨張量の差は、保合部材５で摺動可能に取付けられたＵ
溝４ａで吸収され、変形が防止されるものである。When the lamp 2 is turned on when reading a document, the infrared light contained in the lamp light turns into heat rays, heating the substrate 1 and the reflecting plate 4. , a high-purity aluminum material or an aluminized steel plate is used as the reflector). However, at this time, the difference in the amount of thermal expansion between the substrate 1 and the reflector is caused by the difference between the U
It is absorbed by the groove 4a to prevent deformation.
この実施例において、保合部材を反射板の一端にのみ設
けたが、反射板の両端に設けた場合も同様な効果を得る
。In this embodiment, the retaining member was provided only at one end of the reflector, but the same effect can be obtained even if the retainer is provided at both ends of the reflector.
さらにこの実施例において、反射板にＵ溝を、基板に突
起部を設けたが、反射板に突起部を、基板にＵ溝を設け
た場合も同様の効果を得るものである。Further, in this embodiment, a U-groove is provided on the reflector and a protrusion is provided on the substrate, but the same effect can be obtained by providing a protrusion on the reflector and a U-groove on the substrate.
発明の効果
本発明は、光源ユニットの基板と反射板を摺動可能に取
付けたものであるので、光源ランプによる熱膨張量の差
を吸収し、光源ユニットの熱変形を防ぐものである。さ
らＫ、光源ユニットの構成部材を、それぞれの機能に応
じて最適な材質が使用可能となり、コストダウンを図る
ことができ、実用的にきわめて有用である。Effects of the Invention In the present invention, since the substrate of the light source unit and the reflection plate are slidably attached, the difference in the amount of thermal expansion due to the light source lamps is absorbed, and thermal deformation of the light source unit is prevented. Furthermore, it is possible to use the most suitable materials for the constituent members of the light source unit according to their respective functions, which makes it possible to reduce costs and is extremely useful in practice.
第１図は本発明の一実施例における光源ユニットの正断
面図、第２図は同光源ユニットの部分斜視図である。
１・−基板、１ａ−・・−突起部、４・ ・反射板、４
ａ ・・Ｕ溝、５−係合部材。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名１−
一一基様
４山・−Ｕ清
Ｓ−一一イ１８劣Ｐ不】FIG. 1 is a front sectional view of a light source unit according to an embodiment of the present invention, and FIG. 2 is a partial perspective view of the same light source unit. 1.--Substrate, 1a--Protrusion, 4.--Reflector, 4
a...U groove, 5-engaging member. Name of agent: Patent attorney Toshio Nakao and 1 other person1-
11 group-like 4 mountains - U Qing S - 11 I 18 inferior P not]
Claims (1)
読取位置に集光する反射板と、この反射板を両端部で取
付ける基板とを備え、前記反射板の少なくとも一方の端
部を前記基板に対し摺動可能に取付けた光源ユニット。The lamp includes a lamp that illuminates the original, a reflector that focuses the light of the lamp onto a reading position on the surface of the original, and a substrate to which the reflector is attached at both ends, and at least one end of the reflector is attached to the A light source unit that is slidably attached to the board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61110030A JPS62265854A (en) | 1986-05-14 | 1986-05-14 | Light source unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61110030A JPS62265854A (en) | 1986-05-14 | 1986-05-14 | Light source unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62265854A true JPS62265854A (en) | 1987-11-18 |
Family
ID=14525329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61110030A Pending JPS62265854A (en) | 1986-05-14 | 1986-05-14 | Light source unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62265854A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002035622A (en) * | 2000-07-24 | 2002-02-05 | Iseki & Co Ltd | Automatic rice feeding device |
| EP2622259B2 (en) † | 2010-09-27 | 2020-04-15 | Zumtobel Lighting GmbH | Lighting module assembly comprising an led on a circuit board |
-
1986
- 1986-05-14 JP JP61110030A patent/JPS62265854A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002035622A (en) * | 2000-07-24 | 2002-02-05 | Iseki & Co Ltd | Automatic rice feeding device |
| EP2622259B2 (en) † | 2010-09-27 | 2020-04-15 | Zumtobel Lighting GmbH | Lighting module assembly comprising an led on a circuit board |
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