【発明の詳細な説明】 本発明は１本または複数本の光フアイバーを貫
通させた単極または多極エポキシ樹脂気密端子板
の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a monopolar or multipolar epoxy resin hermetic terminal plate having one or more optical fibers passed through it.
近年光フアイバーの応用範囲が極めて広くな
り、一般通信への応用以外に電気機器への応用も
行なわれるようになつて来た。かかる電気機器と
しては例えば開閉器、変圧器、直流送電関連の電
気機器等がある。かかる機器において光信号ある
いは電気エネルギーを光に変えて導入し、取り出
すために光フアイバーの利用が計られている。ま
たかかる機器においては機器内の絶縁特性の保
持、冷却、消弧等のため一般的には六弗化硫黄
（SF6）ガスを使用し、このSF6ガスは一般に大気
圧以上６Kg／cm以下の定圧状態で封入されてい
る。かかる電気機器において用いられる端子板か
ら封入されたSF6ガスが漏洩すると機器そのもの
の使用不能をもたらすので許されるものではな
い。 In recent years, the scope of application of optical fiber has become extremely wide, and in addition to its application to general communications, it has also come to be applied to electrical equipment. Examples of such electrical equipment include switches, transformers, and electrical equipment related to DC power transmission. In such devices, optical fibers are used to convert optical signals or electrical energy into light, introduce it, and extract it. In addition, in such equipment, sulfur hexafluoride (SF6 ) gas is generally used to maintain insulation properties, cooling, arc extinguishing, etc. inside the equipment, and this SF6 gas is generally used at a pressure above atmospheric pressure and below 6 kg/cm. It is sealed under constant pressure. If the enclosed SF6 gas leaks from the terminal board used in such electrical equipment, it is unacceptable because it will render the equipment itself unusable.
光フアイバーはその構成から種々のものがある
が本発明において用いる光フアイバーは例えば直
径0.1〜0.5mm、通常0.2〜0.3mmの一本のフイラメ
ントを保護被覆で被覆したもの（以下シングル型
光フアイバーと称する）である。上記シングル型
光フアイバーのフイラメントは芯線の周囲に通常
石英、多成分ガラス、シリコーン樹脂等のクラツ
ド層を設けてなり、フイラメントの周囲に例えば
ナイロン被覆内層、繊維材料中間層、および例え
ばポリエチレンまたはポリ塩化ビニル被覆最外層
をこの順序で重ねた保護被覆を有している。なお
これらの保護被覆は他の構成のものであることは
良く知られており、ここで詳細に説明する必要は
ないであろう。 There are various types of optical fibers depending on their configuration, but the optical fiber used in the present invention is, for example, a single filament with a diameter of 0.1 to 0.5 mm, usually 0.2 to 0.3 mm, coated with a protective coating (hereinafter referred to as a single type optical fiber). ). The filament of the above-mentioned single-type optical fiber is usually provided with a cladding layer such as quartz, multicomponent glass, silicone resin, etc. around the core wire, and around the filament there is, for example, an inner coating layer of nylon, an intermediate layer of fiber material, and a cladding layer of, for example, polyethylene or polychloride. It has a protective coating consisting of the outermost vinyl coating layer in this order. It should be noted that other configurations of these protective coatings are well known and need not be described in detail here.
かかる保護被覆を有する光フアイバーを貫通さ
せた上記各種電気機器用の端子板としてエポキシ
樹脂注形材料を注形して作つた端子板が開発され
ている。 A terminal board made by casting an epoxy resin casting material has been developed as a terminal board for the above-mentioned various electrical devices through which an optical fiber having such a protective coating is passed.
かかる端子板において、端子板自体の機器開口
部への取り付け部の気密シールは従来の手段で達
成できるが、光フアイバーはその構造から完全気
密とはいえず、機器内の高圧SF6ガスが光フアイ
バーの繊維材料中間層の顕微鏡的微細空〓を通つ
て漏洩する欠点を有していた。 In such a terminal board, an airtight seal of the attachment part of the terminal board itself to the device opening can be achieved by conventional means, but optical fiber cannot be said to be completely airtight due to its structure, and the high-pressure SF6 gas inside the device may be exposed to light. The fiber had the disadvantage of leaking through the microscopic microscopic voids in the interlayer of the fiber material.
本発明者等は上述した光フアイバーの構造に由
来する光フアイバー貫通端子板の欠陥を除去する
ため、端子板内に位置するシングル型光フアイバ
ーの保護被覆の例えばポリエチレンで作られた最
外層の一部を除去し、繊維材料中間層を露出さ
せ、この部分に低粘度のエポキシ樹脂接着剤を含
浸し、硬化させることにより、上述した微細空〓
を封止させ、気密シール性を保持しうることを見
出した。しかしながら、上記エポキシ樹脂接着剤
を含浸させ、硬化させるとき、エポキシ樹脂接着
剤は、残された保護被覆の界面でその含浸が停止
せず、保護被覆最外層の残つている部分の間〓中
にも浸透して行く。このためシングル型光フアイ
バーの強度が低下し、光損失をもたらし、更に外
部応力がかかると断線することがあることが判つ
た。このため本発明者等は保護被覆最外層が除去
されたシングル型光フアイバーの残された各端部
に金属スリーブを圧着固定し、これによつてエポ
キシ樹脂接着剤の浸透を防止させることにより、
上記欠点を防止しうることも見出した。 In order to eliminate the defects of the optical fiber penetrating terminal plate due to the structure of the optical fiber described above, the present inventors have proposed that the outermost layer, for example made of polyethylene, of the protective coating of the single type optical fiber located in the terminal plate be removed. The above-mentioned microscopic voids are created by removing a portion of the fiber material to expose the intermediate layer of the fiber material, impregnating this portion with a low-viscosity epoxy resin adhesive, and curing it.
It has been found that it is possible to seal and maintain airtight sealing properties. However, when impregnating and curing the epoxy resin adhesive, the epoxy resin adhesive does not stop its impregnation at the interface of the remaining protective coating, and the epoxy resin adhesive does not stop its impregnation at the interface of the remaining protective coating, and the epoxy resin adhesive does not stop impregnating the adhesive between the remaining parts of the outermost layer of the protective coating. It also permeates. It has been found that this reduces the strength of the single type optical fiber, resulting in optical loss, and that it may break if external stress is applied. For this reason, the present inventors crimped and fixed a metal sleeve to each remaining end of a single optical fiber whose outermost protective coating had been removed, thereby preventing penetration of the epoxy resin adhesive.
It has also been found that the above drawbacks can be prevented.
端子板は上述した如く処理を施した１本または
複数本のシングル型光フアイバーを、目的とする
端子板の金型内に挿入し、組立て、通常の方法で
エポキシ注形材料を注形して製造する。 To make a terminal board, one or more single optical fibers treated as described above are inserted into a mold for the intended terminal board, assembled, and then cast with epoxy casting material in the usual manner. Manufacture.
以下図面を参照して本発明を説明する。 The present invention will be explained below with reference to the drawings.
図において１はエポキシ樹脂注形端子板であつ
て、必要な数のシングル型光フアイバー２（図示
の例では３本）が貫通している。シングル型光フ
アイバー２は例えばポリエチレンからなる最外層
３、例えばポリアミド繊維材料からなる中間層
４、例えばナイロンからなる内層５からなる保護
被覆を有している。本発明においては繊維材料中
間層４の微細空〓から電気機器内の例えばSF6ガ
スの漏洩するのを防止するため、端子板１内に位
置するシングル型光フアイバー２の最外層３の一
部を除去し、繊維材料中間層４を露出させ、ここ
にエポキシ樹脂接着剤を含浸させ、硬化させる。
このときエポキシ樹脂接着剤が、最外層３の除去
されずに残つている保護被覆の界面６から保護被
覆内に浸透するのを防ぐことはこのままでは不可
能であつた。このため前述した種々の支障を生じ
た。本発明ではかかるエポキシ樹脂接着剤の浸透
を防止するため、保護被覆の最外層３の界面６の
可及的近くに金属スリーブ７を圧着固定する。８
は０リング溝であり、ここに０リングを入れて端
子板１を機器本体に取り付けるときの気密シール
を形成する。９は取り付け孔で端子板１を機器本
体に取り付けるときの取付具（図示せず）を挿入
できるようにしてある。 In the figure, reference numeral 1 denotes an epoxy resin cast terminal board through which a necessary number of single type optical fibers 2 (three in the illustrated example) pass through. The single optical fiber 2 has a protective coating consisting of an outermost layer 3 made of polyethylene, for example, an intermediate layer 4 made of polyamide fiber material, for example, and an inner layer 5 made of nylon, for example. In the present invention, a part of the outermost layer 3 of the single type optical fiber 2 located in the terminal plate 1 is used to prevent leakage of SF6 gas in electrical equipment from the microscopic voids in the fiber material intermediate layer 4. is removed to expose the fiber material intermediate layer 4, which is impregnated with an epoxy resin adhesive and cured.
At this time, it was impossible to prevent the epoxy resin adhesive from penetrating into the protective coating from the interface 6 of the protective coating remaining without being removed in the outermost layer 3. This caused the various problems mentioned above. In the present invention, in order to prevent such penetration of the epoxy resin adhesive, a metal sleeve 7 is crimped and fixed as close as possible to the interface 6 of the outermost layer 3 of the protective coating. 8
is an O-ring groove, and an O-ring is inserted here to form an airtight seal when attaching the terminal plate 1 to the main body of the device. Reference numeral 9 denotes a mounting hole into which a mounting tool (not shown) for mounting the terminal plate 1 to the main body of the device can be inserted.
本発明によればシングル型光フアイバー２に、
上述した如く金属スリーブ７を圧着固定すること
により、接着剤が、界面６を通つて保護被覆最外
層内部へ浸透するのを防止することができ、従来
注形作業時に問題となつていたシングル型光フア
イバーの亀裂形成、欠損および断線等による欠陥
をなくすことができる。 According to the present invention, the single optical fiber 2 includes:
By crimping and fixing the metal sleeve 7 as described above, it is possible to prevent the adhesive from penetrating into the outermost layer of the protective coating through the interface 6, and it is possible to prevent the adhesive from penetrating into the outermost layer of the protective coating. Defects such as crack formation, chipping, and disconnection of optical fibers can be eliminated.
このように事前に処理したシングル型光フアイ
バーを１本または複数本目的とする端子板り金型
に挿入し、常法によりエポキシ樹脂注形材料で一
体的に成形することにより気密化された単極また
は多極光フアイバー貫通端子板を作ることができ
る。 One or more single optical fibers that have been treated in advance are inserted into the desired terminal plate mold, and then integrally molded with epoxy resin casting material using a conventional method to create an airtight single fiber. Pole or multipolar fiber optic feedthrough terminal boards can be made.
本発明で使用するエポキシ樹脂接着剤およびエ
ポキシ樹脂注形材料は市場で入手できる任意のも
のを使用でき、例えばアラルダイト（スイス：チ
バガイギー社製品）、エポン（アメリカ：シエル
ケミカル社製品）等がある。また含浸硬化および
注形硬化法自体は周知の任意の方法で実施でき
る。 Any commercially available epoxy resin adhesive and epoxy resin casting material used in the present invention can be used, such as Araldite (Switzerland: Ciba Geigy), Epon (USA: Siel Chemical), and the like. Further, the impregnation curing and casting curing methods themselves can be carried out by any known method.
図は本発明により製造された端子板の一具体例
を示す縦断面図である。 １はエポキシ樹脂端子板、２はシングル型光フ
アイバー、３は保護被覆最外層、４は繊維材料中
間層、５は保護被覆内層、６は界面、７は金属ス
リーブ、８は０リング溝。 The figure is a longitudinal sectional view showing a specific example of a terminal board manufactured according to the present invention. 1 is an epoxy resin terminal board, 2 is a single type optical fiber, 3 is an outermost layer of protective coating, 4 is a fiber material intermediate layer, 5 is an inner layer of protective coating, 6 is an interface, 7 is a metal sleeve, and 8 is an O-ring groove.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4862282AJPS58166304A (en) | 1982-03-26 | 1982-03-26 | Method for manufacturing optical fiber hermetic terminal board |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4862282AJPS58166304A (en) | 1982-03-26 | 1982-03-26 | Method for manufacturing optical fiber hermetic terminal board |
| Publication Number | Publication Date |
|---|---|
| JPS58166304A JPS58166304A (en) | 1983-10-01 |
| JPS6247282B2true JPS6247282B2 (en) | 1987-10-07 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4862282AGrantedJPS58166304A (en) | 1982-03-26 | 1982-03-26 | Method for manufacturing optical fiber hermetic terminal board |
| Country | Link |
|---|---|
| JP (1) | JPS58166304A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| JPH01179060A (en)* | 1988-01-06 | 1989-07-17 | Canon Inc | image recording device |
| JPH01297986A (en)* | 1988-05-26 | 1989-12-01 | Canon Inc | Camera integrated recording device |
| JPH0251479U (en)* | 1988-10-04 | 1990-04-11 | ||
| CN106154441A (en)* | 2016-08-29 | 2016-11-23 | 成都全码特时代科技有限公司 | A kind of side emission type optical tool bit that can be used for improving general-purpose interface |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63290753A (en)* | 1987-05-25 | 1988-11-28 | Hitachi Ltd | video printer |
| JPH01179060A (en)* | 1988-01-06 | 1989-07-17 | Canon Inc | image recording device |
| JPH01297986A (en)* | 1988-05-26 | 1989-12-01 | Canon Inc | Camera integrated recording device |
| JPH0251479U (en)* | 1988-10-04 | 1990-04-11 | ||
| CN106154441A (en)* | 2016-08-29 | 2016-11-23 | 成都全码特时代科技有限公司 | A kind of side emission type optical tool bit that can be used for improving general-purpose interface |
| Publication number | Publication date |
|---|---|
| JPS58166304A (en) | 1983-10-01 |
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