JPH037905A - Optical connector - Google Patents
Optical connectorInfo
- Publication number
- JPH037905A JPH037905A JP14249989A JP14249989A JPH037905A JP H037905 A JPH037905 A JP H037905A JP 14249989 A JP14249989 A JP 14249989A JP 14249989 A JP14249989 A JP 14249989A JP H037905 A JPH037905 A JP H037905A
- Authority
- JP
- Japan
- Prior art keywords
- optical
- optical fiber
- fiber
- conductor element
- sleeve
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 68
- 239000013307 optical fiber Substances 0.000 claims abstract description 46
- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims description 33
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 abstract 5
- 230000000694 effects Effects 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4202—Packages, e.g. shape, construction, internal or external details for coupling an active element with fibres without intermediate optical elements, e.g. fibres with plane ends, fibres with shaped ends, bundles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、発光素子、あるいは、受光素子を収納し、こ
れらと光ファイバを結合する光コネクタの構造に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to the structure of an optical connector that accommodates a light emitting element or a light receiving element and connects them to an optical fiber.
従来の技術
光ファイバは、耐ノイズ性を要求される各種制御器、ロ
ボットなどの産業分野に利用されている。2. Description of the Related Art Optical fibers are used in industrial fields such as various controllers and robots that require noise resistance.
光ファイバを用いた応用例として、簡易光ファイバリン
クがあり、これは光ファイバ、発光素子、受光素子およ
びこれらを結合する光コネクタから構成されている。一
般に光コネクタは耐ノイズ性の向上、およびＥＭＩ対策
などのために、金属もしくは導電性樹脂により形成され
ている。An example of an application using an optical fiber is a simple optical fiber link, which is composed of an optical fiber, a light emitting element, a light receiving element, and an optical connector that connects these elements. Optical connectors are generally made of metal or conductive resin in order to improve noise resistance and prevent EMI.
この光ファイバリンクにおける、発光素子あるいは受光
素子が収納されるとともに光ファイバが結合された従来
の光コネクタの斜視図を第３図に示し、これを参照して
説明する。A perspective view of a conventional optical connector in which a light emitting element or a light receiving element is accommodated and an optical fiber is coupled in this optical fiber link is shown in FIG. 3, and will be described with reference to this.
１は金属製箱体で、−面に光ファイバ結合用の筒体２が
突出して取り付けられ、内部に光手導体素子が収納され
る中空部を有しており、中空部へ光手導体素子を装着し
、筒体２へ光ファイバ３を結合し、光伝送を行なう。４
は、光手導体素子のノードである。また、第４図は従来
例の光コネクタ金属製箱体１の断面図で、この金属製箱
体１の一面に突出して取り付けられた、光ファイバ結合
用の筒体２の内部に、光手導体素子を収納する中空部ら
へ光ファイバを導（、中空部６を形成しである。Reference numeral 1 denotes a metal box body, on which a cylinder body 2 for coupling optical fibers is attached protruding from the negative side, and has a hollow part in which an optical conductor element is housed. is attached, the optical fiber 3 is coupled to the cylinder 2, and optical transmission is performed. 4
are the nodes of the optical conductor element. FIG. 4 is a sectional view of a conventional optical connector metal box 1. An optical fiber coupling tube 2, which is attached to one surface of the metal box 1 in a protruding manner, has an optical fiber. The optical fiber is guided into the hollow part that accommodates the conductor element (the hollow part 6 is formed).
発明が解決しようとする課題
しかしながら、従来の構成では、光コネクタが金属であ
るため、内部に収納される光手導体素子のアノード、カ
ソード端子が光コネクタに対し、電気的に絶縁されてい
なければならないという制約が生じる。即ち、樹脂パッ
ケージタイプ、もしくはケース端子を備えた、キャンタ
イプの光手導体素子を用いなければならない。Problems to be Solved by the Invention However, in the conventional configuration, since the optical connector is made of metal, the anode and cathode terminals of the optical conductor element housed inside must be electrically insulated from the optical connector. There is a restriction that it cannot be done. That is, a resin package type or a can type optical conductor element equipped with a case terminal must be used.
樹脂パッケージタイプは、耐湿性に劣るという問題点が
、ケース端子を備えたキャンタイプは２端子（アノード
端子、カソード端子のみ）のものに比べて価格が高いと
いう問題点があった。The resin package type has a problem of inferior moisture resistance, and the can type with a case terminal has a problem that it is more expensive than the two-terminal type (only an anode terminal and a cathode terminal).
また、光手導体素子と、光ファイバが直接結合するため
、光手導体素子の装着具合、または、光ファイバの挿入
具合によっては、光手導体素子の表面、もしくは、光フ
ァイバの端面を傷付けてしまうという問題点があった。In addition, since the optical conductor element and the optical fiber are directly coupled, depending on how the optical conductor element is installed or how the optical fiber is inserted, the surface of the optical conductor element or the end face of the optical fiber may be damaged. There was a problem with it being put away.
本発明は、上記従来の問題点を解決するものでコストの
低減および信頼性の向上を図ることのできる光コネクタ
を提供することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide an optical connector that solves the above-mentioned conventional problems and can reduce costs and improve reliability.
課題を解決するための手段
この目的を達成するために、本発明の光コネクタは、金
属もしくは導電性樹脂により形成された光コネクタ枠部
（本体）より、光手導体素子を絶縁するための、非導電
性のスリーブを装着、−本化しており、さらに、スリー
ブの光ファイバ結合部位に、光ファイバの径よりも形状
が小さく、かつ、光路をさえぎらないようなしゃへい部
を設けた構成を有している。Means for Solving the Problems In order to achieve this object, the optical connector of the present invention includes: It is equipped with a non-conductive sleeve, and also has a shielding part that is smaller than the diameter of the optical fiber and does not block the optical path at the optical fiber coupling part of the sleeve. are doing.
作用
この構成によって、非導電性のスリーブが光コネクタと
光手導体素子とを絶縁するため、２端子の素子が使用で
き、コストダウンを図ることができる。Effect: With this configuration, the non-conductive sleeve insulates the optical connector and the optical conductor element, so a two-terminal element can be used and costs can be reduced.
また、光ファイバ結合部位に、設けたしゃへい部により
、光ファイバの光手導体素子への接触を防ぐことができ
るため、光手導体素子の表面および光ファイバ端面の損
傷がなく、高信頼性を得ることができる。In addition, the shield provided at the optical fiber coupling site prevents the optical fiber from coming into contact with the optical conductor element, which prevents damage to the surface of the optical conductor element and the end face of the optical fiber, ensuring high reliability. Obtainable.
実施例
以下、本発明の一実施例について、第１図に示した斜視
図、および、第２図に示した断面図を参照して説明する
。EXAMPLE Hereinafter, an example of the present invention will be described with reference to the perspective view shown in FIG. 1 and the sectional view shown in FIG.
本発明の光コネクタは、金属製の箱体７の一面に光ファ
イバ８結合用の筒体９が突出して取り付けられ、内部に
光手導体素子１０が収納される中空部１１を有し、その
中空部１１に、光手導体素子１０を金属製箱体７から絶
縁するための、非導電性のスリーブ１２を装着、−本化
した構造である。そして、さらに、光手導体素子１０を
、金属製箱体７から絶縁するための非導電性のスリーブ
１２において光ファイバ結合部位１３に、光ファイバの
径よりも形状が小さく、かつ、光路をさえぎらないよう
なしゃへい部を設けである。１４は、光ファイバ挿入部
、１５は光手導体素子装着部である。The optical connector of the present invention has a cylinder 9 for coupling optical fibers 8 protrudingly attached to one surface of a metal box 7, and has a hollow part 11 in which an optical conductor element 10 is housed. It has a structure in which a non-conductive sleeve 12 for insulating the optical conductor element 10 from the metal box 7 is attached to the hollow part 11. Furthermore, in the non-conductive sleeve 12 for insulating the optical conductor element 10 from the metal box body 7, the optical fiber coupling portion 13 is provided with a material having a shape smaller than the diameter of the optical fiber and blocking the optical path. A shield is provided so that there is no problem. 14 is an optical fiber insertion part, and 15 is an optical conductor element mounting part.
非導電性のスリーブにより光手導体素子の収納部と、金
属製の光コネクタ枠部とが絶縁されているため、従来の
ように、内部に収納される光手導体素子において、アノ
ード端子およびカソード端子が光コネクタ枠部に対し、
電気的に絶縁されていなければならないという制約は一
切生じない。Since the housing of the optical conductor element and the metal optical connector frame are insulated by a non-conductive sleeve, the anode terminal and cathode terminal of the optical conductor element housed inside are insulated from the optical connector frame. If the terminal is against the optical connector frame,
There is no restriction that electrical isolation is required.
即ち、樹脂パッケージタイプ、もしくは、ケース端子を
備えたキャンタイプの光手導体素子を用いる必要性がな
くなる。そこで、アノード、カソードの２端子のみのキ
ャンタイプ光手導体素子の使用が可能となる。よって、
樹脂パッケージタイプの光半導体を使用した場合より、
耐湿性の良好な光コネクタモジュールを実現できる。ま
た、ケース端子を備えた３端子のキャンタイプ光手導体
素子を使用した場合より、低コストな光コネクタモジュ
ールが提供できる。耐ノイズ性、および静電破壊に対し
ても、金属により光コネクタを形成しており良好である
。That is, there is no need to use a resin package type or a can type optical conductor element equipped with a case terminal. Therefore, it becomes possible to use a can type optical conductor element having only two terminals, an anode and a cathode. Therefore,
Compared to using a resin package type optical semiconductor,
An optical connector module with good moisture resistance can be realized. Furthermore, it is possible to provide an optical connector module at a lower cost than when using a three-terminal can type optical conductor element equipped with a case terminal. The optical connector is made of metal and has good resistance to noise and electrostatic discharge.
さらに、非導電性のスリーブにおいて、光ファイバ結合
部位に、光ファイバの径よりも形状が小さく、かつ、光
路をさえぎらないような、しゃへい部を設けであるため
、光コネクタと光ファイバを結合させた場合、光手導体
素子の装着具合、または、光ファイバの挿入具合によっ
て、光手導体素子と、光ファイバが直接接触するような
ことがなく、光手導体素子の表面、もしくは、光ファイ
バの端面を傷付けてしまうという不具合が生じない。Furthermore, since the non-conductive sleeve has a shielding part at the optical fiber coupling part that is smaller than the diameter of the optical fiber and does not block the optical path, it is possible to couple the optical connector and the optical fiber. In this case, depending on how the optical conductor element is installed or how the optical fiber is inserted, there is no direct contact between the optical conductor element and the optical fiber, and the surface of the optical conductor element or the optical fiber is not in direct contact with each other. There is no problem of damaging the end face.
また、本発明の構造を用いることにより、光コネクタへ
装着する素子の形状の違いに対しては。Furthermore, by using the structure of the present invention, differences in the shape of elements attached to the optical connector can be handled.
スリーブのみを入替えることにより対応でき、従来の技
術のように、使用する素子の形状に応じて光コネクタを
形成しなくてもよいというメリットがある。This can be achieved by replacing only the sleeve, and there is an advantage that there is no need to form an optical connector according to the shape of the element used, unlike the conventional technology.
発明の効果
本発明によれば、光手導体素子の収納部に、光ファイバ
との接触を防ぐためのしゃへい部を備えた、絶縁用のス
リーブを設けることにより、低コスト化および信頼性の
向上を図った優れた光コネクタを実現できる。Effects of the Invention According to the present invention, cost reduction and reliability improvement can be achieved by providing an insulating sleeve with a shielding part for preventing contact with an optical fiber in the storage part of the optical conductor element. It is possible to realize an excellent optical connector that achieves
第１図は本発明の一実施例における光コネクタの展開斜
視図、第２図はその要部の断面図、第３図は従来の光コ
ネクタの斜視図、第４図はその要部断面図である。
１・・・・・・金属製箱体、２・・・・・・光ファイバ
結合用筒体、３・・・・・・光ファイバ ４・・・・・
・光手導体素子のリード、５・・・・・・光手導体素子
収納用中空部、６・・・・・・光ファイバ挿入用中空部
、７・・・・・・金属製箱体、８・・・・・・光ファイ
バ ９・・・・・・光ファイバ結合用筒体、１０・・・
・・・光手導体素子、１１・・・・・・光手導体素子収
納用中空部、１２・・・・・・スリーブ、１３・・・・
・・光ファイバ結合部位、１４・・・・・・光ファイバ
挿入部、１５・・・・・・光手導体素子装着部。Fig. 1 is an exploded perspective view of an optical connector according to an embodiment of the present invention, Fig. 2 is a sectional view of its main parts, Fig. 3 is a perspective view of a conventional optical connector, and Fig. 4 is a sectional view of its main parts. It is. 1...Metal box, 2...Cylinder for optical fiber coupling, 3...Optical fiber 4...
・Lead of optical conductor element, 5...Hollow part for storing optical conductor element, 6...Hollow part for inserting optical fiber, 7...Metal box body, 8... Optical fiber 9... Optical fiber coupling cylinder, 10...
... Optical conductor element, 11 ... Hollow part for storing the light hand conductor element, 12 ... Sleeve, 13 ...
. . . Optical fiber coupling site, 14 . . . Optical fiber insertion portion, 15 . . . Optical conductor element mounting portion.
Claims (2)
、内部に光手導体素子が収納される中空部を有する光コ
ネクタ枠部を、金属、もしくは導電性樹脂により形成し
、かつ、前記光手導体素子の収納される中空部において
前記光手導体素子に前記光コネクタ枠部より絶縁するた
めの、非導電性のスリーブを装着して一体化したことを
特徴とする光コネクタ。(1) An optical connector frame portion having a hollow portion in which a cylinder for coupling optical fibers is attached in a protruding manner and an optical conductor element is housed therein is formed of metal or conductive resin; 1. An optical connector characterized in that a non-conductive sleeve is attached and integrated to the optical conductor element in a hollow portion in which the optical conductor element is housed for insulating it from the optical connector frame.
ためのスリーブに、光ファイバ結合部位に同光ファイバ
の径よりも形状が小さく、かつ光路をさえぎらないよう
なしゃへい部を設けたことを特徴とする請求項１記載の
光コネクタ。(2) The sleeve for insulating the optical conductor element from the optical connector frame is provided with a shielding portion at the optical fiber coupling portion that is smaller in shape than the diameter of the optical fiber and does not block the optical path. The optical connector according to claim 1, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14249989A JPH037905A (en) | 1989-06-05 | 1989-06-05 | Optical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14249989A JPH037905A (en) | 1989-06-05 | 1989-06-05 | Optical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH037905A true JPH037905A (en) | 1991-01-16 |
Family
ID=15316759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14249989A Pending JPH037905A (en) | 1989-06-05 | 1989-06-05 | Optical connector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH037905A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005538376A (en) * | 2002-09-10 | 2005-12-15 | ウオーターズ・インベストメンツ・リミテツド | Method for controlling chromatographic columns and absorbent density |
| WO2015037337A1 (en) * | 2013-09-11 | 2015-03-19 | ウシオ電機株式会社 | Optical fiber device |
-
1989
- 1989-06-05 JP JP14249989A patent/JPH037905A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005538376A (en) * | 2002-09-10 | 2005-12-15 | ウオーターズ・インベストメンツ・リミテツド | Method for controlling chromatographic columns and absorbent density |
| WO2015037337A1 (en) * | 2013-09-11 | 2015-03-19 | ウシオ電機株式会社 | Optical fiber device |
| JP2015055714A (en) * | 2013-09-11 | 2015-03-23 | ウシオ電機株式会社 | Optical fiber apparatus |
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