JPS5918684A - Photo interrupter - Google Patents
Photo interrupterInfo
- Publication number
- JPS5918684A JPS5918684A JP57127865A JP12786582A JPS5918684A JP S5918684 A JPS5918684 A JP S5918684A JP 57127865 A JP57127865 A JP 57127865A JP 12786582 A JP12786582 A JP 12786582A JP S5918684 A JPS5918684 A JP S5918684A
- Authority
- JP
- Japan
- Prior art keywords
- light
- case
- transparent
- emitting element
- cases
- 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
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000004727 Noryl Substances 0.000 description 1
- 229920001207 Noryl Polymers 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000001044 red dye Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/12—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
この発明は、防塵型にしたフォトインタラプタの改良に
関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an improvement in a dust-proof photointerrupter.
従来の一般的な防塵型の７オトインタラグタは、第１図
（４）に示すように、発光素子１と受光素子２を不透光
性のケース３および４内にそれぞれ互いに対向させて配
置し、この発光素子１から放射した光がケース３の開口
部５．更にケース３の開口部６を経て、受光素子２に入
射するように光路な形成する。この光路空間によって例
えば物体の検出を行なうようになっている。As shown in FIG. 1 (4), a conventional general dust-proof type 7-meter interlagter has a light-emitting element 1 and a light-receiving element 2 arranged facing each other in non-transparent cases 3 and 4, respectively. The light emitted from the light emitting element 1 is transmitted through the opening 5 of the case 3. Further, an optical path is formed so that the light passes through the opening 6 of the case 3 and enters the light receiving element 2. For example, objects are detected using this optical path space.
また、これら開口部５および６には、防塵用の透明板７
および８が嵌め込まれ接着されている。In addition, a transparent plate 7 for dustproofing is provided in these openings 5 and 6.
and 8 are fitted and glued.
この透明板７の構造は、第１図（Ｂ）で示すように、は
ぼ中央部に突出段部９が一体成型されている。As shown in FIG. 1(B), the transparent plate 7 has a structure in which a protruding step portion 9 is integrally molded at the center of the plate.
この突出段部９がケース３の開口部５に嵌め込まれるよ
うになっている。This protruding step portion 9 is fitted into the opening 5 of the case 3.
しかし乍ら、上述したフォトインクラシタは、ケース３
および４の内部に透明板７および８の一部分が収納され
得る空間が必要となるため、特殊なケースを必要とする
欠点がある。However, the above-mentioned photo incrushator is
Since a space is required inside the transparent plates 7 and 4 in which a portion of the transparent plates 7 and 8 can be housed, there is a drawback that a special case is required.
また、その製造に当っては、透明板２および８を各ケー
スの下方開放面より内部に挿入し、突出段部９を開口部
５および６にそれぞれ嵌め込んだ後、接着等により固着
する。最後に、発光素子１および受光素子２を各ケース
に挿入し所定位置に１．！、１定する。このように、透
明板を各ケースの内側から挿入接着する為に、細かい作
業が必閥となり、従って製造工程における作業性が悪い
欠点がある。In manufacturing the transparent plates 2 and 8, the transparent plates 2 and 8 are inserted into each case from the lower open surface, and the protruding step portions 9 are fitted into the openings 5 and 6, respectively, and then fixed by adhesive or the like. Finally, insert the light-emitting element 1 and the light-receiving element 2 into each case and place them in the predetermined positions. ! , 1 constant. In this way, since the transparent plate is inserted and bonded from the inside of each case, detailed work is required, which has the drawback of poor workability in the manufacturing process.
この発明の目的は、上述した従来の欠点を除去し、製造
工程における作業性を向上させた防塵型のフォトインタ
ラプタを提供することにある。An object of the present invention is to provide a dust-proof photointerrupter that eliminates the above-mentioned conventional drawbacks and improves workability in the manufacturing process.
この発明のフォトインタラプタによれば、発光素子およ
び受光素子側の透明板を一体構造として形成し、これを
予じめ発光素子および受光素子を組み込んだ各ケースの
開口部に、ケースの外側より嵌め込んだことを特徴とす
るものである。According to the photointerrupter of the present invention, the transparent plate on the side of the light emitting element and the light receiving element is formed as an integral structure, and this is fitted from the outside of the case into the opening of each case in which the light emitting element and the light receiving element are installed in advance. It is characterized by its intricacy.
以下図面を参照し乍らこの発明の一実施例を説明する。An embodiment of the present invention will be described below with reference to the drawings.
第２図は、その構造を示したもので、第１図と同一な部
分には同一番号を付す。先ず、射出成型等の方法により
、不透光性のケース３および４を、これらを結合する部
材１１と共に一体成形する。このケース３．４には、第
１図のものと同様に光を通過させる開口部５および６が
対向して形成されている。このケースの材料としては、
カーゼンを充填したポリカーゴネート或はノリルを用い
るのが一般的である。FIG. 2 shows its structure, and the same parts as in FIG. 1 are given the same numbers. First, by a method such as injection molding, the non-transparent cases 3 and 4 are integrally molded together with the member 11 that connects them. This case 3.4 has opposing openings 5 and 6 through which light passes, similar to that in FIG. The materials for this case are:
It is common to use casene-filled polycargonate or noryl.
次に、発光素子１および受光素子２をケース３および４
の下方開放面より挿入し、所定位置に固着する。この場
合、発光素子１および受光素子２を開口部５．６を介し
て対向して配置し、この光路によって物体等の検出を行
なう検出部を構成する。Next, the light emitting element 1 and the light receiving element 2 are attached to cases 3 and 4.
Insert it from the lower open surface and fix it in place. In this case, the light-emitting element 1 and the light-receiving element 2 are arranged to face each other with an opening 5.6 in between, and constitute a detection section that detects an object or the like through this optical path.
そして、開口部５，６部に、一体で構成される透明体１
０を嵌め込み設定する。この透明体１０は第３図に取り
出して示すように、発光素子側の透明板部分１２および
受光素子側の透明板部分１４を対向させ、この透明板部
分１２゜１４の一端側舎連結部材１６によって連結して
いる。ｒに、各透明板部分１２．１４の外側には、各ケ
ースの開口部５および６に嵌め込むことができる突出段
部１８および２ｏが一体成型されている。この透明体１
ｏの材料としては、アクリル或いはポリカーゴネート等
の光透過率の良い材料を用い、射出成型等により製造す
る。A transparent body 1 formed integrally is placed in the openings 5 and 6.
Insert and set 0. As shown in FIG. 3, this transparent body 10 has a transparent plate portion 12 on the light emitting element side and a transparent plate portion 14 on the light receiving element side facing each other, and a side connecting member 16 at one end of the transparent plate portion 12° 14. It is connected by On the outside of each transparent plate portion 12.14, protruding steps 18 and 2o are integrally molded, which can be fitted into the openings 5 and 6 of each case. This transparent body 1
As the material of o, a material with good light transmittance such as acrylic or polycarbonate is used, and it is manufactured by injection molding or the like.
しかし、これに限らず、採用する発光素子の発光波長に
対して光透過性を有していれば良いので、例えばＧａ
Ａｓ赤外線発光ダイオードを用いる場合には赤色染料を
添加した材料とすることもできる。However, the invention is not limited to this, as long as it has optical transparency for the emission wavelength of the light emitting element to be employed, for example, Ga
When using an As infrared light emitting diode, a material to which red dye is added may also be used.
この透明体１ｏを光路中に組み込むためには、第２図で
示したように、透明体１ｏの開放端の両端部を矢印２２
で示す方向に指等によって押圧挾持する。この場合、こ
の透明体１ｏの弾性力に抗して、両端部を内側に適当な
間隔となるまで曲げる。この状態を維持し乍ら、連結部
月１６から先に光路中に挿入し、ケース３，４の連結部
１１の頂面に当接させると共に、突出段部１Ｂ、２０を
開口部５，６に嵌入させる。その後、挾持していた指を
離せば、この透明体１０は、自己の復元力によって所定
位置に固定されるようになる。これによって、開口部５
゜６は外部から遮へいされ、粉塵等がケース内部に浸入
しなくなる。この状態を第４図に示す。In order to incorporate this transparent body 1o into the optical path, as shown in FIG.
Press and hold with your fingers in the direction shown. In this case, both ends are bent inward against the elastic force of the transparent body 1o until an appropriate distance is reached. While maintaining this state, the connecting portion 16 is inserted into the optical path first and brought into contact with the top surface of the connecting portion 11 of the cases 3 and 4, and the protruding step portions 1B and 20 are inserted into the openings 5 and 6. be inserted into. Thereafter, when the fingers holding the transparent body 10 are released, the transparent body 10 is fixed in a predetermined position by its own restoring force. As a result, the opening 5
゜6 is shielded from the outside, preventing dust etc. from entering the inside of the case. This state is shown in FIG.
尚、この発明は上述した実施例のみに限定されず種々の
変更を加え得るものである。例えは、上述の例では、透
明体１０をケースの開口部に嵌め込むだけであったが、
接着剤によって固着することもできる。この場合、振動
が激しい環境の下で使用するのに有利となる。It should be noted that the present invention is not limited to the above-described embodiments, but can be modified in various ways. For example, in the above example, the transparent body 10 was simply fitted into the opening of the case,
It can also be fixed with adhesive. In this case, it is advantageous for use in environments with severe vibrations.
また、防塵構造となっていない一般のフォトインタラシ
タに透明体１０を嵌め込むこともでき、この場合、透明
板部分の厚さ分だけ検出光路長が短かくなるが簡単に防
塵構造とすることができる。Furthermore, the transparent body 10 can be fitted into a general photointeracitor that does not have a dust-proof structure. In this case, the detection optical path length will be shortened by the thickness of the transparent plate part, but the dust-proof structure can be easily formed. I can do it.
以上説明したように、この発明によれば、防塵用の２枚
の透明板を一体構造にし１フォトインタラプタ組立ての
最後の工程で光路中に嵌め込むことができるので、組立
て作業効率が著しく向−１ニする。As explained above, according to the present invention, two transparent plates for dustproofing can be made into an integral structure and can be fitted into the optical path in the last step of assembling one photointerrupter, so the efficiency of assembly work can be significantly improved. Do 1.
まだ、非防塵型の７オトインタラゾタに特別な改造を加
えることなく、容易に防塵型のフォトインタラプタにす
ることができる。Still, it is possible to easily make a dust-proof type photo interrupter without making any special modifications to the non-dust-proof type 7-oto interrupter.
第１図（Ａ）は従来のフォトインタラプタの構成を示す
縦断面図、第１図（Ｂ）は第１図（Ａｔの透明体を表わ
す斜視図、第２図はこの発明のフォトインタラプタの一
実施例の構成を分解しで示す断面図、第３図は第２図の
透明体を表わす斜視図。
第４図は第２図実施例の完成状態を示す断面図である。
１・・・発光集子、２・・・受光素子、３，４・・・ク
ース、５，６・・・開口部、１０・・・透明体、１２゜
１４・・・透明板部分、１６・・・連結部材、１８゜出
願人代理人 弁理士 鈴 江 武 諸策１図
第２図FIG. 1(A) is a vertical sectional view showing the structure of a conventional photointerrupter, FIG. 1(B) is a perspective view showing a transparent body of FIG. 3 is a perspective view showing the transparent body of FIG. 2. FIG. 4 is a sectional view showing the completed state of the embodiment of FIG. 2. 1... Light emitting collector, 2... Light receiving element, 3, 4... Coos, 5, 6... Opening, 10... Transparent body, 12° 14... Transparent plate portion, 16... Connection Parts, 18゜Applicant's Representative Patent Attorney Takeshi Suzue Various Plans Figure 1 Figure 2
Claims (1)
した不透光性の第１のケースと、この第１のケースと一
体的に構成され前記第１の開口部からの放射光を受光し
得るように対向して形成した第２の開口部を有する不透
光性の第２のケースと、上記対向設定される第１および
第２の開口部間にそれぞれ対応する透明板部分を有しこ
の透明板部分相互を弾性的に連結して構成した透明体と
を具え、この透明体を前記開口部間に嵌め込んだことを
特徴とするフォトインタラシタ。a non-light-transmitting first case having a first opening through which the light emitted from the light emitting element passes; A non-light-transmitting second case having second openings formed to face each other so as to receive light, and transparent plate portions corresponding to each other between the first and second openings set to face each other. 1. A photointeracitor comprising: a transparent body configured by elastically connecting the transparent plate portions to each other; and the transparent body is fitted between the openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57127865A JPS5918684A (en) | 1982-07-22 | 1982-07-22 | Photo interrupter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57127865A JPS5918684A (en) | 1982-07-22 | 1982-07-22 | Photo interrupter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5918684A true JPS5918684A (en) | 1984-01-31 |
| JPH0355990B2 JPH0355990B2 (en) | 1991-08-27 |
Family
ID=14970560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57127865A Granted JPS5918684A (en) | 1982-07-22 | 1982-07-22 | Photo interrupter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5918684A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02297978A (en) * | 1988-12-06 | 1990-12-10 | Nec Corp | Photo interrupter |
| US5285085A (en) * | 1990-10-05 | 1994-02-08 | Sharp Kabushiki Kaisha | Photo-coupling device with improved light shading plate holding means |
-
1982
- 1982-07-22 JP JP57127865A patent/JPS5918684A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02297978A (en) * | 1988-12-06 | 1990-12-10 | Nec Corp | Photo interrupter |
| US5285085A (en) * | 1990-10-05 | 1994-02-08 | Sharp Kabushiki Kaisha | Photo-coupling device with improved light shading plate holding means |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0355990B2 (en) | 1991-08-27 |
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