JP2003235140A - Long flame retardant composite element - Google Patents
Long flame retardant composite elementInfo
- Publication number
- JP2003235140A JP2003235140A JP2002033858A JP2002033858A JP2003235140A JP 2003235140 A JP2003235140 A JP 2003235140A JP 2002033858 A JP2002033858 A JP 2002033858A JP 2002033858 A JP2002033858 A JP 2002033858A JP 2003235140 A JP2003235140 A JP 2003235140A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- outer tube
- plastic
- insulating layer
- retardant composite
- 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
Landscapes
- Insulated Conductors (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
- Electric Cable Installation (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、建物の内外、橋梁
添架やトンネル等に配置する水冷管、流体輸送管、電線
・ケーブル等の難燃性複合長尺体に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flame-retardant composite elongated body such as a water cooling pipe, a fluid transportation pipe, an electric wire / cable, etc., which is arranged inside and outside a building, on a bridge bridge, a tunnel, or the like.
【０００２】[0002]
【従来の技術】水冷管、流体輸送管、電線・ケーブル等
の長尺体は地中埋設が主な敷設方法であり、火災等によ
る火炎に晒される心配は殆どなかった。しかし、近年最
外層がプラスチック製管からなる長尺体が普及してくる
につれて屋外配管、屋外配線が採用されだし、橋梁への
添架、最終ユーザへの引込み等で屋外に露出して配置さ
れることが多くなってきている。このようなプラスチッ
ク製管が最外層となっている長尺体を屋外に配置した場
合、火災発生による燃焼の危険性があるために、耐燃焼
性に優れた長尺体の出現が望まれていた。2. Description of the Related Art Long-distance bodies such as water-cooled pipes, fluid transportation pipes, electric wires and cables are mainly buried in the ground, and there is almost no risk of exposure to flames due to fire or the like. However, in recent years, with the widespread use of a long body made of plastic pipe as the outermost layer, outdoor piping and outdoor wiring have been adopted. There are many things going on. When a long body with such a plastic pipe as the outermost layer is placed outdoors, there is a risk of burning due to a fire, so the appearance of a long body with excellent combustion resistance is desired. It was
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、最外層
に耐燃焼性に優れたプラスチック製管を備えた長尺体の
出現は未だなされておらず、この課題は解決されていな
いのが現状である。また、電線・ケーブルにおいては導
体からの発熱により許容電流が決められるため温度上昇
をできるだけ抑え、その分だけ許容電流を大きくし効果
的な送電が可能とするため送風等により電線・ケーブル
を冷却することが行われているがその効果は十分ではな
いのが現状である。However, the appearance of a long body having a plastic tube excellent in combustion resistance in the outermost layer has not yet been made, and this problem is not solved at present. . Also, in electric wires and cables, the allowable current is determined by the heat generated from the conductor, so the temperature rise is suppressed as much as possible, and the allowable current is increased accordingly and effective power transmission is possible, so the electric wires and cables are cooled by blowing air, etc. However, the effect is not sufficient at present.
【０００４】そこで、本発明者はプラスチックの難燃性
には限界があるとして、プラスチック製管の内側（下
層）に或いは金属管の内側（下層）に熱放散剤（材）を
充填し、火災による温度上昇を極力抑え、例え燃えても
延焼を防ぐことを考え、また、プラスチック製管の内側
に充填する熱放散剤により電線・ケーブル導体からの発
熱を取り除くことを考え、鋭意研究の結果、本発明を完
成させるに至った。Therefore, the present inventor has determined that the flame retardancy of plastic is limited, and the inside of the plastic pipe (lower layer) or the inside of the metal pipe (lower layer) is filled with a heat dissipating agent (material) to cause a fire. As a result of diligent research, we thought to suppress the temperature rise due to, to prevent the spread of fire even if it burns, and to remove the heat generated from the electric wire / cable conductor by the heat dissipation agent filled inside the plastic pipe. The present invention has been completed.
【０００５】[0005]
【発明が解決するための手段】本発明の第１は、プラス
チック製内管と、プラスチック製外管とからなり、前記
内管と外管との間の空隙に熱放散性ジェルが充填されて
いることを特徴とする難燃性複合長尺体である。A first aspect of the present invention comprises a plastic inner tube and a plastic outer tube, wherein a space between the inner tube and the outer tube is filled with a heat-dissipating gel. It is a flame-retardant composite elongated body characterized in that
【０００６】本発明の第２は、プラスチック製内管と、
該内管外周に金属を周回巻きした周回巻き層と、該周回
巻き層の外側に設けたプラスチック製外管とからなり、
前記周回巻き層の空隙に熱放散性ジェルが充填されてい
ることを特徴とする難燃性複合長尺体である。A second aspect of the present invention is a plastic inner tube,
A winding layer in which a metal is wound around the outer circumference of the inner tube, and a plastic outer tube provided outside the winding layer,
The flame-retardant composite elongated body is characterized in that voids of the winding layer are filled with a heat-dissipating gel.
【０００７】本発明の第３は、電気伝導性導体の外周に
設けた絶縁層と、該絶縁層の外側に設けたプラスチック
製外管とからなり、前記絶縁層とプラスチック製外管と
の間の空隙に熱放散性ジェルが充填されていることを特
徴とする難燃性複合長尺体である。A third aspect of the present invention comprises an insulating layer provided on the outer periphery of the electrically conductive conductor and a plastic outer tube provided outside the insulating layer, and between the insulating layer and the plastic outer tube. Is a flame-retardant composite elongated body, characterized in that the voids thereof are filled with a heat-dissipating gel.
【０００８】本発明の第４は、電気伝導性導体の外周に
設けた絶縁層と、該絶縁層の外側に設けた金属製外管と
からなり、前記絶縁層と金属製外管との間の空隙に熱放
散性ジェルが充填されていることを特徴とする難燃性複
合長尺体である。A fourth aspect of the present invention comprises an insulating layer provided on the outer periphery of the electrically conductive conductor and a metallic outer tube provided outside the insulating layer, and between the insulating layer and the metallic outer tube. Is a flame-retardant composite elongated body, characterized in that the voids thereof are filled with a heat-dissipating gel.
【０００９】本発明の第５は、電気伝導性導体の外周に
設けた絶縁層と、該絶縁層の外側に設けた金属製管と、
該金属製管の外側に設けたプラスチック製外管とからな
り、前記絶縁層と金属製管との間、または／もしくは金
属製管とプラスチック製外管との空隙に熱放散性ジェル
が充填されていることを特徴とする難燃性複合長尺体で
ある。In a fifth aspect of the present invention, an insulating layer provided on the outer periphery of the electrically conductive conductor, and a metal pipe provided outside the insulating layer,
A plastic outer tube provided on the outer side of the metal tube, wherein a heat-dissipating gel is filled between the insulating layer and the metal tube or / or in a space between the metal tube and the plastic outer tube. It is a flame-retardant composite elongated body characterized in that
【００１０】本発明難燃性複合長尺体は外側に設けたプ
ラスチック製外管の内側に熱放散性ジェルが充填されて
いることで、該長尺体が火災に遭遇しても放熱性ジェル
層により火災による熱が放散され、外側プラスチック製
外管の内側に存在する内管や電線・ケーブルの絶縁体が
焼失するのを遅らせ、或いは小規模な火災の場合は焼失
を防ぐことができる。また、本発明を電線・ケーブルに
採用することにより、外管の内側（下層）に充填した熱
放散性ジェルにより内部で発熱する熱が外部に放散さ
れ、従って内部温度の上昇が抑えられ、電線・ケーブル
の許容電流を大きくとることができる。The flame-retardant composite elongated body of the present invention has a heat-dissipating gel filled inside a plastic outer tube provided on the outside, so that even if the elongated body encounters a fire, a heat-dissipating gel is formed. The layers dissipate the heat of the fire, delaying the burnout of the inner tube and the insulation of the wires / cables present inside the outer plastic outer tube, or prevent it in the case of a small fire. In addition, by adopting the present invention to an electric wire / cable, heat generated inside is dissipated to the outside by the heat-dissipating gel filled inside (lower layer) of the outer tube, and accordingly, an increase in internal temperature is suppressed, and the electric wire・ The allowable current of the cable can be increased.
【００１１】[0011]
【発明の実施の形態】以下本発明を図示した実施形態に
より説明する。図１は本発明の１実施形態を示すもの
で、図１に示す難燃性複合長尺体１は長尺プラスチック
管で、ポリエチレン等の熱可塑性プラスチックからなる
内管１１、ポリ塩化ビニル等の熱可塑性プラスチックか
らなる外管１２、前記内管１１と外管１２との空隙に充
填された熱放散性ジェル１３とで構成されている。BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to the illustrated embodiments. FIG. 1 shows one embodiment of the present invention. The flame-retardant composite elongated body 1 shown in FIG. 1 is a long plastic pipe, such as an inner pipe 11 made of a thermoplastic such as polyethylene, polyvinyl chloride or the like. It is composed of an outer tube 12 made of a thermoplastic and a heat-dissipating gel 13 filled in a space between the inner tube 11 and the outer tube 12.
【００１２】前記内管１１と外管１２との空隙に充填さ
れる熱放散性ジェル１３としては熱伝導率が１×１０-3
ｃａｌ／ｓｅｃ・ｃｍ・℃のシリコーンジェルが好適で
あり、その他としては水ガラスに水と塩酸を混合したジ
ェル等でも良く、熱放散性に優れたジェルであれば材質
は問わない。また、熱伝導率を高めるためにジェルにア
ルミニウム粉、カーボン粉末等の熱伝導性フィラーを添
加することも有効である。The heat-dissipating gel 13 filled in the space between the inner tube 11 and the outer tube 12 has a thermal conductivity of 1 × 10 -3.
A cal / sec.cm.degree. C. silicone gel is suitable, and other materials such as a gel obtained by mixing water glass with water and hydrochloric acid may be used, and any material may be used as long as it has excellent heat dissipation. It is also effective to add a heat conductive filler such as aluminum powder or carbon powder to the gel in order to increase the heat conductivity.
【００１３】本発明難燃性複合長尺体１は外側に設けた
プラスチック製外管１２の内側に熱放散性ジェル１３が
充填されていることで、該長尺体１が火災に遭遇しても
放熱性ジェル１３の層により火災による熱が放散され、
外側プラスチック製外管１２の内側に存在する内管１１
が焼失するのを遅らせ、或いは小規模な火災の場合は焼
失を防ぐことができる。In the flame-retardant composite elongated body 1 of the present invention, since the heat dissipating gel 13 is filled inside the plastic outer tube 12 provided on the outside, the elongated body 1 encounters a fire. The heat of the fire is dissipated by the layer of heat dissipation gel 13,
Inner tube 11 existing inside outer plastic outer tube 12
Can be slowed down or prevented in the case of a small fire.
【００１４】図２は本発明の第２の実施形態で、図２に
示す難燃性複合長尺体２は、プラスチック製内管２１
と、該内管２１の外周に金属帯状を周回巻きした周回巻
き層２２と、該周回巻き層２２の外側に設けたプラスチ
ック製外管２３とからなり、前記周回巻き層２２の空隙
に熱放散性ジェル２４が充填されて構成されている。本
実施形態は内管２１の外周に金属帯状を周回巻きした周
回巻き層２２を設けることにより、内管２１が周回巻き
層２２で保護され、内管２１内に導入される気体、液体
等を加圧した状態で輸送することが可能となる。FIG. 2 shows a second embodiment of the present invention. The flame-retardant composite elongated body 2 shown in FIG.
And a winding layer 22 in which a metal strip is wound around the outer circumference of the inner tube 21, and a plastic outer tube 23 provided outside the winding layer 22. It is configured by being filled with the sex gel 24. In the present embodiment, by providing the winding layer 22 in which a metal strip is wound around the outer circumference of the inner pipe 21, the inner pipe 21 is protected by the winding layer 22 and gas, liquid, etc. introduced into the inner pipe 21 are protected. It becomes possible to transport in a pressurized state.
【００１５】本発明難燃性複合長尺体２は外側に設けた
プラスチック製外管２３の内側に熱放散性ジェル２４が
充填されていることで、該長尺体２が火災に遭遇しても
放熱性ジェル２４の層により火災による熱が放散され、
外側プラスチック製外管２３の内側に存在する周回巻き
層２２や内管２１が焼失するのを遅らせ、或いは小規模
な火災の場合は焼失を防ぐことができる。The flame-retardant composite elongated body 2 of the present invention has a plastic outer tube 23 provided on the outside filled with a heat-dissipating gel 24, so that the elongated body 2 encounters a fire. The heat of the fire is dissipated by the layer of heat dissipation gel 24,
It is possible to delay burnout of the winding layer 22 and the inner pipe 21 existing inside the outer plastic outer pipe 23, or to prevent burnout in the case of a small fire.
【００１６】図３は本発明の第３の実施形態で、図３に
示す難燃性複合長尺体３は、銅からなる電気伝導性導体
３１の外周に紙、プラスチック等からなる絶縁層３２を
設けたケーブルコア３５と、該ケーブルコア３５の外側
に設けたプラスチック製外管３３とからなり、前記ケー
ブルコア３５とプラスチック製外管３３との間の空隙に
熱放散性ジェル３４を充填して構成したものである。FIG. 3 shows a third embodiment of the present invention. The flame-retardant composite elongated body 3 shown in FIG. 3 has an electrically conductive conductor 31 made of copper and an insulating layer 32 made of paper, plastic or the like on the outer periphery thereof. And a plastic outer tube 33 provided on the outside of the cable core 35. The gap between the cable core 35 and the plastic outer tube 33 is filled with a heat-dissipating gel 34. It is configured by.
【００１７】本発明難燃性複合長尺体は外側に設けたプ
ラスチック製外管の内側に熱放散性ジェルが充填されて
いることで、該長尺体が火災に遭遇しても放熱性ジェル
層により火災による熱が放散され、外側プラスチック製
外管の内側に存在する内管や電線・ケーブルの絶縁体が
焼失するのを遅らせて火災時に必要とされる時間電力を
供給でき、或いは小規模な火災の場合は焼失を防ぐこと
ができる。また、充填した熱放散性ジェルは導体３１で
発熱する熱を外部へ放散してケーブルコアの温度上昇を
抑え、電線・ケーブルの許容電流を大きくすることを可
能とする。In the flame-retardant composite elongated body of the present invention, the heat-dissipating gel is filled inside the plastic outer tube provided on the outside, so that even if the elongated body encounters a fire, the heat-dissipating gel is formed. The layers dissipate the heat from the fire, delaying the burnout of the inner tube and the insulation of the wires / cables inside the outer plastic outer tube to provide the power needed for the fire, or on a small scale. In case of a serious fire, it can prevent burning. Further, the filled heat-dissipating gel dissipates the heat generated by the conductor 31 to the outside, suppresses the temperature rise of the cable core, and makes it possible to increase the allowable current of the wire / cable.
【００１８】図４は本発明の第４の実施形態で、図４に
示す難燃性複合長尺体４は、銅等からなる電気伝導性導
体４１の外周に絶縁油を浸漬した絶縁紙を巻き付け又は
プラスチック絶縁体を押出被覆して設けた絶縁層４２と
からなるケーブルコア４３と、該ケーブルコア４３の外
側にステンレス、アルミニウム、銅等からなる金属材で
形成した金属製外管４４とからなり、前記ケーブルコア
４３と金属製外管４４との間の空隙に熱放散性ジェル４
５が充填されて構成されている。FIG. 4 is a fourth embodiment of the present invention. The flame-retardant composite elongated body 4 shown in FIG. 4 is an insulating paper in which insulating oil is immersed in the outer periphery of an electrically conductive conductor 41 made of copper or the like. From a cable core 43 formed of an insulating layer 42 provided by winding or extruding a plastic insulator, and a metal outer tube 44 formed of a metal material such as stainless steel, aluminum, or copper on the outside of the cable core 43. The heat-dissipating gel 4 in the space between the cable core 43 and the metal outer tube 44.
5 is filled and configured.
【００１９】本発明難燃性複合長尺体４は外側に設けた
金属製外管４４の内側に熱放散性ジェル４５が充填され
ていることで、該長尺体４が火災に遭遇し、熱伝導性の
良い金属からなる外管４４の熱を放熱性ジェル４５の層
により断熱するとともに熱を長手方向に放散し、内部の
ケーブルコアを火災による熱から守って焼失するのを遅
らせ、或いは小規模な火災の場合は焼失を防ぐことがで
きる。また、最外層を熱伝導性に優れる金属外管４４と
することにより、ケーブルコア４３の発熱を熱放散性ジ
ェルを介して外気へより放散し易くし、電線・ケーブル
の許容電流をより大きくすることができる。In the flame-retardant composite elongated body 4 of the present invention, a heat-dissipating gel 45 is filled inside the metal outer tube 44 provided on the outside, so that the elongated body 4 encounters a fire, The heat of the outer tube 44 made of a metal having good thermal conductivity is insulated by the layer of the heat-dissipating gel 45, and the heat is dissipated in the longitudinal direction to protect the inner cable core from the heat caused by the fire and delay the burning, or In the case of a small fire, it can prevent burning. In addition, by making the outermost layer a metal outer tube 44 having excellent heat conductivity, it is possible to more easily dissipate the heat generated by the cable core 43 to the outside air via the heat dissipative gel, and to increase the allowable current of the wire / cable. be able to.
【００２０】図５は本発明の第５の実施形態で、図５に
示す難燃性複合長尺体５は、銅等からなる電気伝導性導
体５１の外周に設けた紙、プラスチック等からなる絶縁
層５２と、該絶縁層５２の外側に設けた金属製管５３
と、該金属製管５３の外側にポリ塩化ビニルで成形した
プラスチック製外管５４とからなり、金属製管５３とプ
ラスチック製外管５４との空隙に熱放散性ジェル５５が
充填されて構成されている。なお、更に前記絶縁層５２
と金属製管５３との間にも放熱性ジェル５５を充填して
もよく、または金属製管５３とプラスチック製外管５４
との空隙には熱放散性ジェルを充填せずに、絶縁層５２
と金属製管５３との間にのみ放熱性ジェル５５を充填す
るようにしてもよい。FIG. 5 shows a fifth embodiment of the present invention. The flame-retardant composite elongated body 5 shown in FIG. 5 is made of paper, plastic or the like provided on the outer periphery of the electrically conductive conductor 51 made of copper or the like. Insulating layer 52 and metal pipe 53 provided outside the insulating layer 52
And a plastic outer tube 54 formed of polyvinyl chloride on the outside of the metal tube 53, and the heat dissipating gel 55 is filled in the space between the metal tube 53 and the plastic outer tube 54. ing. Further, the insulating layer 52
A heat-releasing gel 55 may be filled between the metal pipe 53 and the metal pipe 53, or the metal pipe 53 and the plastic outer pipe 54 may be filled.
The space between the insulating layer 52 and the heat dissipating gel is not filled.
The heat-dissipating gel 55 may be filled only between the metal tube 53 and the metal tube 53.
【００２１】本発明難燃性複合長尺体５は絶縁層５２と
金属製管５３との間、または／もしくは金属製管５３と
プラスチック製外管５４との空隙に熱放散性ジェル５５
が充填されていることで、該長尺体５が火災に遭遇して
も放熱性ジェル層により火災による熱が放散され、内側
に存在する電線・ケーブルの絶縁体５２が焼失するのを
遅らせ、或いは小規模な火災の場合は焼失を防ぐことが
できる。The flame-retardant composite elongated body 5 of the present invention has a heat-dissipating gel 55 between the insulating layer 52 and the metal tube 53 and / or in the space between the metal tube 53 and the plastic outer tube 54.
By filling the long body 5 with a fire, the heat of the fire is dissipated by the heat-dissipating gel layer even when the long body 5 encounters a fire, and the burnout of the insulator 52 of the electric wire / cable existing inside is delayed, Alternatively, in the case of a small fire, it can prevent burning.
【００２２】次に、本発明の難燃効果を実験により検証
した。先ず、内径１００ｍｍ、厚さ約１０ｍｍのポリエ
チレン製内管に、厚さ０．３５ｍｍのステンレス製帯状
体を５％ギャップを有するように２層周回巻きして周回
巻き層を設け、該周回巻き層のギャップに熱放散性ジェ
ルとして熱伝導率が１×１０-3ｃａｌ／ｓｅｃ・ｃｍ・
℃のシリコーンジェルを充填し、最外層に約５ｍｍ厚の
ポリエチレンを設けた図２に示す難燃性複合長尺体（輸
送管）を作成した。Next, the flame retardant effect of the present invention was verified by experiments. First, a polyethylene inner tube having an inner diameter of 100 mm and a thickness of about 10 mm is wound around two layers of a stainless steel strip having a thickness of 0.35 mm so as to have a 5% gap to form a winding layer, and the winding layer is provided. Thermal conductivity of 1 x 10 -3 cal / sec · cm · as a heat-dissipating gel in the gap
A flame-retardant composite long body (transport pipe) shown in FIG. 2 was prepared in which a silicone gel at 0 ° C. was filled and polyethylene having a thickness of about 5 mm was provided in the outermost layer.
【００２３】一方、比較のために上記難燃性複合長尺体
（輸送管）と同一仕様とし、周回巻きしたステンレス製
帯状体ギャップにシリコーンジェルを充填しない長尺体
を作成し難燃試験を実施した。On the other hand, for comparison, a flame-retardant test was carried out by preparing a long body having the same specifications as the above-mentioned flame-retardant composite long body (transport pipe) and not filled with silicone gel in the gap of the spirally wound stainless steel strip. Carried out.
【００２４】試験は１．８ｍの長さの長尺体を試料と
し、ＩＥＥＥ３８３に規定する垂直トレイ燃焼試験で実
施した。試験の結果、本発明難燃性複合長尺体は、ポリ
エチレン製外管の延焼長が約０．５ｍであり、火炎が直
接当たったところは外管が溶けて落ちたが、周回巻き層
並びに内管は健全であった。一方、熱放散性ジェルを充
填しなかった比較例の長尺体は着火後15分で全長にわた
り火が回り、火炎が直接当たった個所は内管も溶け落ち
ていた。The test was carried out by a vertical tray burning test specified in IEEE 383, using a long body having a length of 1.8 m as a sample. As a result of the test, in the flame-retardant composite long body of the present invention, the spread length of the polyethylene outer tube was about 0.5 m, and when the flame was directly hit, the outer tube was melted and dropped. The inner tube was sound. On the other hand, the long body of the comparative example which was not filled with the heat-dissipating gel ignited over the entire length 15 minutes after ignition, and the inner tube at the point directly hit by the flame had also melted down.
【００２５】[0025]
【発明の効果】上述したように、本発明難燃性複合長尺
体は外側に設けたプラスチック製外管または金属製外管
の内側に熱放散性ジェルが充填されていることで、該長
尺体が火災に遭遇しても放熱性ジェルの層により火災に
よる熱が放散され、外側プラスチック製外管の内側に存
在する内管や電線・ケーブルの絶縁体が焼失するのを遅
らせ、或いは小規模な火災の場合は焼失を防ぐことがで
き、該長尺体を屋外に敷設し、例え火災にあっても初期
の必要とされる時間、内管への延焼を食い止めることが
できるので、建物の内外、橋梁添架やトンネル等に敷設
する水冷管、流体輸送管、電線・ケーブルとしての使用
を可能とした優れた効果を有するものである。As described above, the flame-retardant composite elongated body of the present invention has a plastic outer tube or a metal outer tube provided on the outer side thereof, and the heat dissipating gel is filled on the inner side of the outer tube. Even if the scale encounters a fire, the heat of the fire is dissipated by the layer of heat-dissipating gel and the burnout of the inner pipe and electric wire / cable insulation inside the outer plastic outer pipe is delayed or reduced. In the case of a large-scale fire, it is possible to prevent the building from burning out, and by laying the elongated body outdoors, it is possible to prevent the spread of fire to the inner pipe for the initial required time even if there is a fire. It has an excellent effect that it can be used as a water cooling pipe, a fluid transportation pipe, an electric wire / cable laid inside and outside of a bridge, a bridge bridge or a tunnel.
【００２６】また、本発明を電線・ケーブルに採用する
と、ケーブルコアで発熱する熱を熱放散性ジェルをかい
して外部に放散する効果があるために、電線・ケーブル
の許容電流を大きくすることができる効果も有するもの
である。When the present invention is applied to electric wires / cables, the heat generated in the cable core is effectively dissipated to the outside through the heat-dissipating gel. Therefore, the allowable current of the electric wires / cables should be increased. It also has the effect of being able to.
【図１】本発明の一実施形態を示す断面説明図である。FIG. 1 is a cross-sectional explanatory view showing an embodiment of the present invention.
【図２】本発明の第２の実施形態を示す断面説明図であ
る。FIG. 2 is an explanatory cross-sectional view showing a second embodiment of the present invention.
【図３】本発明の第３の実施形態を示す断面説明図であ
る。FIG. 3 is an explanatory cross-sectional view showing a third embodiment of the present invention.
【図４】本発明の第４の実施形態を示す断面説明図であ
る。FIG. 4 is an explanatory cross-sectional view showing a fourth embodiment of the present invention.
【図５】本発明の第５の実施形態を示す断面説明図であ
る。FIG. 5 is a cross-sectional explanatory view showing a fifth embodiment of the present invention.
１ 難燃性複合長尺体 ２ 難燃性複合長尺体 ３ 難燃性複合長尺体 ４ 難燃性複合長尺体 ５ 難燃性複合長尺体 １１ 内管 １２ 外管 １３ 熱放散性ジェル ２１ プラスチック製内管 ２３ プラスチック製外管 ２４ 熱放散性ジェル ３１ 電気伝導性導体 ３２ 絶縁層 ３３ プラスチック製外管 ３４ 熱放散性ジェル ３５ ケーブルコア ４１ 電気伝導性導体 ４２ 絶縁層 ４３ ケーブルコア ４４ 金属製外管 ４５ 熱放散性ジェル ５１ 電気伝導性導体 ５２ 絶縁層 ５３ 金属製管 ５４ プラスチック製外管 ５５ 熱放散性ジェル１１ 1 Flame-retardant composite long body 2 Flame-retardant composite long body 3 Flame retardant composite long body 4 Flame-retardant composite long body 5 Flame-retardant composite long body 11 inner tube 12 outer tube 13 Heat-dissipating gel 21 Plastic inner tube 23 Plastic outer tube 24 Heat-dissipating gel 31 Electrically conductive conductor 32 insulating layer 33 Plastic outer tube 34 Heat-dissipating gel 35 cable core 41 Electrically conductive conductor 42 insulating layer 43 cable core 44 Metal outer tube 45 Heat-dissipating gel 51 Electrically conductive conductor 52 insulating layer 53 Metal tube 54 Plastic outer tube 55 Heat-dissipating gel 11
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｈ０１Ｂ 7/17 Ｈ０２Ｇ 1/06 ３１１Ａ 7/42 Ｈ０１Ｂ 7/34 Ｄ Ｈ０２Ｇ 1/06 ３１１ 7/18 Ｚ Ｆターム(参考） 3H111 AA01 BA01 BA15 CA52 CB04 CB05 CB14 CB23 CB24 DA11 DB01 DB23 4F100 AB01D AB01E AB04 AK01A AK01B AK01E AK04 AK52 AR00C AR00E BA03 BA06 BA07 BA10E DA11 DA11A DA11B GB90 JG01E JG04E JJ07 JJ10C JJ10E 5G313 AB01 AB09 AB10 AC03 AD08 5G315 EA02 5G369 AA04 BA04 DC06 EA02 ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 7 Identification code FI theme code (reference) H01B 7/17 H02G 1/06 311A 7/42 H01B 7/34 D H02G 1/06 311 7/18 Z F term (reference) 3H111 AA01 BA01 BA15 CA52 CB04 CB05 CB14 CB23 CB24 DA11 DB01 DB23 4F100 AB01D AB01E AB04 AK01A AK01B AK01E AK04 AK52 AR00C AR00E BA03 BA06 BA07 BA10E DA11 DA11A DA11B GB90 JG01E JG04E JJ07 JJ10C JJ10E 5G313 AB01 AB09 AB10 AC03 AD08 5G315 EA02 5G369 AA04 BA04 DC06 EA02
Claims (5)
管とからなり、前記内管と外管との間の空隙に熱放散性
ジェルが充填されていることを特徴とする難燃性複合長
尺体。1. A flame-retardant composite length comprising a plastic inner tube and a plastic outer tube, wherein a heat-dissipating gel is filled in a space between the inner tube and the outer tube. Scale.
を周回巻きした周回巻き層と、該周回巻き層の外側に設
けたプラスチック製外管とからなり、前記周回巻き層の
空隙に熱放散性ジェルが充填されていることを特徴とす
る難燃性複合長尺体。2. A plastic inner tube, a revolving layer in which a metal is wound around the outer periphery of the inner tube, and a plastic outer tube provided on the outer side of the revolving layer, wherein a gap is formed in the revolving layer. A flame-retardant composite long body filled with a heat-dissipating gel.
該絶縁層の外側に設けたプラスチック製外管とからな
り、前記絶縁層とプラスチック製外管との間の空隙に熱
放散性ジェルが充填されていることを特徴とする難燃性
複合長尺体。3. An insulating layer provided on the outer periphery of the electrically conductive conductor,
A flame-retardant composite long strip, comprising a plastic outer tube provided outside the insulating layer, and a space between the insulating layer and the plastic outer tube is filled with a heat-dissipating gel. body.
縁層と、該絶縁層の外側に設けた金属製外管とからな
り、前記絶縁層と金属製外管との間の空隙に熱放散性ジ
ェルが充填されていることを特徴とする難燃性複合長尺
体。4. An air gap between the insulating layer and the metallic outer tube, which comprises an insulating layer having an insulating layer provided on the outer periphery of the electrically conductive conductor and a metallic outer tube provided outside the insulating layer. A flame-retardant composite elongated body characterized by being filled with a heat-dissipating gel.
該絶縁層の外側に設けた金属製管と、該金属製管の外側
に設けたプラスチック製外管とからなり、前記絶縁層と
金属製管との間、または／もしくは金属製管とプラスチ
ック製外管との空隙に熱放散性ジェルが充填されている
ことを特徴とする難燃性複合長尺体。5. An insulating layer provided on the outer periphery of the electrically conductive conductor,
A metal pipe provided outside the insulating layer and a plastic outer pipe provided outside the metal pipe, and between the insulating layer and the metal pipe, and / or the metal pipe and the plastic pipe. A flame-retardant composite elongated body, characterized in that the space between the outer tube and the outer tube is filled with a heat-dissipating gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002033858A JP4057308B2 (en) | 2002-02-12 | 2002-02-12 | Flame retardant composite long body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002033858A JP4057308B2 (en) | 2002-02-12 | 2002-02-12 | Flame retardant composite long body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003235140A true JP2003235140A (en) | 2003-08-22 |
| JP4057308B2 JP4057308B2 (en) | 2008-03-05 |
Family
ID=27776528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002033858A Expired - Fee Related JP4057308B2 (en) | 2002-02-12 | 2002-02-12 | Flame retardant composite long body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4057308B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007018916A (en) * | 2005-07-08 | 2007-01-25 | Auto Network Gijutsu Kenkyusho:Kk | Manufacturing method and apparatus of shielding conductor |
| JP2007149550A (en) * | 2005-11-29 | 2007-06-14 | Auto Network Gijutsu Kenkyusho:Kk | Shield conductor and manufacturing method of same |
| JP2013245741A (en) * | 2012-05-25 | 2013-12-09 | Natl Inst For Land & Infrastructure Management Mlit | Hydrogen containing gas supply system for use in utility tunnel |
| KR101608425B1 (en) * | 2015-09-11 | 2016-04-01 | 현대파이프(주) | A Polymeric Feed Tube with Improved Wear Resistance and A Preparation Method Thereof |
| CN106352166A (en) * | 2016-11-17 | 2017-01-25 | 临沂太阳雨新型建材有限公司 | Novel blue porcelainflame-retardant multipurpose pipe with lining strengthening frame |
| CN110085361A (en) * | 2019-04-26 | 2019-08-02 | 浙江秦山电缆有限公司 | A kind of cable with firewall functionality |
| CN112700922A (en) * | 2020-12-21 | 2021-04-23 | 常熟闪通电力科技有限公司 | Three-core heat dissipation cable with compact structure |
-
2002
- 2002-02-12 JP JP2002033858A patent/JP4057308B2/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007018916A (en) * | 2005-07-08 | 2007-01-25 | Auto Network Gijutsu Kenkyusho:Kk | Manufacturing method and apparatus of shielding conductor |
| JP2007149550A (en) * | 2005-11-29 | 2007-06-14 | Auto Network Gijutsu Kenkyusho:Kk | Shield conductor and manufacturing method of same |
| JP2013245741A (en) * | 2012-05-25 | 2013-12-09 | Natl Inst For Land & Infrastructure Management Mlit | Hydrogen containing gas supply system for use in utility tunnel |
| KR101608425B1 (en) * | 2015-09-11 | 2016-04-01 | 현대파이프(주) | A Polymeric Feed Tube with Improved Wear Resistance and A Preparation Method Thereof |
| CN106352166A (en) * | 2016-11-17 | 2017-01-25 | 临沂太阳雨新型建材有限公司 | Novel blue porcelainflame-retardant multipurpose pipe with lining strengthening frame |
| CN110085361A (en) * | 2019-04-26 | 2019-08-02 | 浙江秦山电缆有限公司 | A kind of cable with firewall functionality |
| CN112700922A (en) * | 2020-12-21 | 2021-04-23 | 常熟闪通电力科技有限公司 | Three-core heat dissipation cable with compact structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4057308B2 (en) | 2008-03-05 |
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