WO2021212857A1 - Câble optique de communication à double usage intérieur et extérieur et câble électrique - Google Patents

Câble optique de communication à double usage intérieur et extérieur et câble électrique Download PDF

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Publication number
WO2021212857A1
WO2021212857A1 PCT/CN2020/134151 CN2020134151W WO2021212857A1 WO 2021212857 A1 WO2021212857 A1 WO 2021212857A1 CN 2020134151 W CN2020134151 W CN 2020134151W WO 2021212857 A1 WO2021212857 A1 WO 2021212857A1
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WO
WIPO (PCT)
Prior art keywords
curved surface
isolation
protective layer
low
isolation component
Prior art date
Application number
PCT/CN2020/134151
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English (en)
Chinese (zh)
Inventor
凌卫康
Original Assignee
苏州专创光电科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 苏州专创光电科技有限公司 filed Critical 苏州专创光电科技有限公司
Priority to CN202080005258.4A priority Critical patent/CN113711320B/zh
Publication of WO2021212857A1 publication Critical patent/WO2021212857A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/22—Cables including at least one electrical conductor together with optical fibres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation

Definitions

  • the invention belongs to the technical field of electric power and cables, and particularly relates to an indoor and outdoor dual-purpose communication optical cable and an indoor and outdoor dual-purpose optical cable.
  • the above-mentioned background technology has the following disadvantages: (1) SZ twisted cable equipment is expensive, occupies a large area, and has high working noise; (2) The production speed is slow; (3) The twisted loose tube or insulated wire causes the product performance to decrease; ( 4) The thermal expansion and contraction performance of the tying yarn is different from the loose tube or insulating layer material. Temperature changes can easily damage the loose tube or insulating layer, and even the internal photoconductor, causing communication/power interruption.
  • the purpose of the present invention is to disclose an indoor and outdoor dual-purpose communication optical cable and an indoor and outdoor dual-purpose cable, which are implemented by the following technical solutions.
  • An indoor and outdoor dual-purpose communication optical cable which has four isolation components, four loose tubes, a protective layer, and an outer sheath located outside the protective layer; it is characterized in that the isolation component is composed of an isolation component body, and the isolation component
  • the main body is formed by connecting the outer side surface, the first curved surface, the second curved surface, the fourth curved surface, and the third curved surface in turn.
  • the first curved surface and the second curved surface form the lower side surface, the third curved surface and the fourth curved surface
  • the curved surface forms the upper side surface.
  • the outer side surface is a part of the cylindrical surface.
  • the first curved surface is recessed in the direction of the upper side surface, the second curved surface protrudes below the lower side surface, the third curved surface protrudes above the upper side surface, and the fourth curved surface
  • the lower side surface is recessed, and the inner side of the isolation component body is a straight line; the four isolation components are distributed along the circumferential direction with gaps in the same direction. This gap is called a containing cavity, and each containing cavity has a loose tube.
  • each loose tube There are multiple optical fibers in each loose tube; the loose tube in each accommodating cavity is tangent to the second curved surface of one of the isolation parts, and the loose tube in each gap is the third bend of the other isolation part
  • the surface and the third curved surface are tangent; the inner sides of all the isolation parts overlap, the outer sides of all the isolation parts are on the same cylindrical surface, and the protective layer covers all the isolation parts and the loose tube.
  • An indoor and outdoor dual-purpose communication optical cable which has four isolation components, four loose tubes, a protective layer, and an outer sheath located outside the protective layer; it is characterized in that the isolation component is composed of an isolation component body, and the isolation component
  • the main body is formed by connecting the outer side surface, the first curved surface, the second curved surface, the fourth curved surface, and the third curved surface in turn.
  • the first curved surface and the second curved surface form the lower side surface, the third curved surface and the fourth curved surface
  • the curved surface forms the upper side surface.
  • the outer side surface is a part of the cylindrical surface.
  • the first curved surface is recessed in the direction of the upper side surface, the second curved surface protrudes below the lower side surface, the third curved surface protrudes above the upper side surface, and the fourth curved surface
  • the lower side surface is recessed, the inner side of the isolation component body is a straight line, and the interior of the isolation component body has a reinforcing hole; the four isolation components are distributed in the same direction along the circumferential direction with gaps, which are called accommodating cavities.
  • Each has a loose tube, and each loose tube has multiple optical fibers; the loose tube in each accommodating cavity is tangent to the second curved surface of one of the isolation parts, and the loose tube in each gap is The third curved surface and the third curved surface of the other isolating part are tangent; the inner sides of all isolating parts overlap, the outer sides of all isolating parts are on the same cylindrical surface, and the protective layer covers all isolating parts and loose sleeves Tube; there are reinforcements in the reinforcement holes.
  • This application has the following main beneficial effects: the structure is more stable and reliable, the loose tube/insulated wire is more convenient to take and place, the stripping is more convenient, the utilization rate of the reinforcement is higher, the product weight is lighter, the cost is higher, and the production is more convenient and more convenient. fast.
  • FIG. 1 is a schematic diagram of a section of the anatomical three-dimensional structure of the isolation component used in this application.
  • Fig. 2 is an enlarged schematic cross-sectional structure diagram of Fig. 1.
  • FIG. 3 is a schematic diagram of the cross-sectional structure of Embodiment 1.
  • FIG. 3 is a schematic diagram of the cross-sectional structure of Embodiment 1.
  • Fig. 4 is an enlarged schematic view of the structure at A in Fig. 3.
  • Fig. 5 is a schematic cross-sectional structure diagram of another isolation component used in this application.
  • FIG. 6 is a schematic diagram of a three-dimensional structure after anatomy in Example 2.
  • FIG. 7 is an enlarged schematic diagram of the cross-sectional structure of FIG. 6.
  • FIG. 8 is a schematic diagram of a three-dimensional structure after anatomy of Example 3.
  • FIG. 8 is a schematic diagram of a three-dimensional structure after anatomy of Example 3.
  • Fig. 9 is an enlarged schematic cross-sectional structure diagram of Fig. 8.
  • FIG. 10 is a schematic diagram of a three-dimensional structure after anatomy of Example 4.
  • FIG. 10 is a schematic diagram of a three-dimensional structure after anatomy of Example 4.
  • FIG. 11 is an enlarged schematic diagram of the cross-sectional structure of FIG. 10.
  • FIG. 12 is a schematic diagram of a three-dimensional structure after anatomy of Example 5.
  • FIG. 12 is a schematic diagram of a three-dimensional structure after anatomy of Example 5.
  • FIG. 13 is an enlarged schematic cross-sectional structure diagram of FIG. 12.
  • FIG. 14 is a schematic diagram of another cross-sectional structure of the cable core of Example 6.
  • FIG. 14 is a schematic diagram of another cross-sectional structure of the cable core of Example 6.
  • FIG. 1 to Figure 4 an indoor and outdoor dual-purpose communication optical cable, with four isolation components 1, four loose tubes 2, a protective layer 4, and an outer sheath 5 located outside the protective layer 4; its features
  • the isolation member 1 is composed of an isolation member body 11, and the isolation member body 11 is formed by connecting the outer side surface 12, the first curved surface 131, the second curved surface 132, the fourth curved surface 142, and the third curved surface 141 in turn.
  • the first curved surface 131 and the second curved surface 132 constitute the lower side surface 13
  • the third curved surface 141 and the fourth curved surface 142 constitute the upper side surface 14
  • the outer side surface 12 is a part of the cylindrical surface
  • the first curved surface 131 is upwardly
  • the second curved surface 132 protrudes below the lower side surface
  • the third curved surface 141 protrudes above the upper side surface
  • the fourth curved surface 142 is recessed toward the lower side surface.
  • the inner side of the isolation member body 11 is a straight line ;
  • the four isolating parts 1 are distributed along the circumferential direction with gaps in the same direction. The gaps are called accommodating cavities 3.
  • Each accommodating cavity 3 has a loose tube 2 and each loose tube has multiple optical fibers 21 ;
  • the loose tube in each accommodating cavity 3 is tangent to the second curved surface 132 of one of the isolation components, and the loose tube in each gap is tangent to the third curved surface 141 and the third curved surface of the other isolation component 141 is tangent; the inner sides of all the isolation parts overlap, the outer sides of all the isolation parts are on the same cylindrical surface, and the protective layer 4 covers all the isolation parts and the loose tube.
  • FIG. 5 and 7 Please refer to Figures 5 and 7, and refer to Figures 1 to 4, an indoor and outdoor dual-purpose communication optical fiber cable, with four isolation components 1, four loose tubes 2, a protective layer 4, and located outside the protective layer 4.
  • the outer sheath 5 It is characterized in that the isolating member 1 is composed of an isolating member body 11, and the isolating member body 11 is composed of an outer side surface 12, a first curved surface 131, a second curved surface 132, a fourth curved surface 142, and a third The curved surface 141 is connected end to end in turn.
  • the first curved surface 131 and the second curved surface 132 constitute the lower side surface 13, the third curved surface 141 and the fourth curved surface 142 constitute the upper side surface 14, and the outer side surface 12 is a part of the cylindrical surface.
  • the first curved surface 131 is recessed toward the upper side
  • the second curved surface 132 protrudes below the lower side
  • the third curved surface 141 protrudes above the upper side
  • the fourth curved surface 142 is recessed toward the lower side.
  • the inner side of 11 is a straight line, and there is a reinforcing hole 111 inside the isolation component body 11; the four isolation components 1 are distributed along the circumferential direction with gaps in the same direction.
  • each containing cavity 3 has A loose tube 2 has multiple optical fibers 21 in each loose tube; the loose tube in each accommodating cavity 3 is tangent to the second curved surface 132 of one of the isolation parts, and the loose tube in each gap
  • the sleeve is tangent to the third curved surface 141 and the third curved surface 141 of another isolating part; the inner sides of all isolating parts overlap, the outer sides of all isolating parts are on the same cylindrical surface, and the protective layer 4 covers All isolation parts and loose tubes; there is a reinforcement 6 in the reinforcement hole 111.
  • FIG. 8 and Figure 9 Please refer to Figure 1 to Figure 7, an indoor and outdoor dual-purpose communication optical cable, with four isolation components 1, four loose tubes 2, a protective layer 4, and located outside the protective layer 4.
  • the outer sheath 5 It is characterized in that the isolating member 1 is composed of an isolating member body 11, and the isolating member body 11 is composed of an outer side surface 12, a first curved surface 131, a second curved surface 132, a fourth curved surface 142, and a third The curved surface 141 is connected end to end in turn.
  • the first curved surface 131 and the second curved surface 132 constitute the lower side surface 13, the third curved surface 141 and the fourth curved surface 142 constitute the upper side surface 14, and the outer side surface 12 is a part of the cylindrical surface.
  • the first curved surface 131 is recessed toward the upper side
  • the second curved surface 132 protrudes below the lower side
  • the third curved surface 141 protrudes above the upper side
  • the fourth curved surface 142 is recessed toward the lower side.
  • the isolation component body The inner side of 11 is a straight line
  • the isolation member body 11 has a reinforcement hole 111 inside
  • the outer side surface 12 has a tear opening 121 that communicates with the reinforcement hole 111;
  • the gap is called the accommodating cavity 3.
  • Each accommodating cavity 3 has a loose tube 2, and each loose tube has a plurality of optical fibers 21; the loose tube in each accommodating cavity 3 and one of them
  • the second curved surface 132 of the isolation component is tangent, and the loose tube in each gap is tangent to the third curved surface 141 and the third curved surface 141 of the other isolation component; the inner sides of all the isolation components coincide, all The outer sides of the isolation parts are on the same cylindrical surface, and the protective layer 4 covers all the isolation parts and the loose tube; there is a reinforcement 6 in the reinforcement hole 111.
  • an indoor and outdoor dual-purpose communication optical fiber cable having four isolation components 1, four loose tubes 2, a protective layer 4; characterized in that the isolation components 1 is composed of an isolating component body 11, which is formed by connecting the outer side surface 12, the first curved surface 131, the second curved surface 132, the fourth curved surface 142, and the third curved surface 141 in turn.
  • the first curved surface 131 and the second curved surface 132 constitute the lower side surface 13
  • the third curved surface 141 and the fourth curved surface 142 constitute the upper side surface 14
  • the outer side surface 12 is a part of the cylindrical surface
  • the first curved surface 131 is recessed toward the upper side
  • the second The curved surface 132 protrudes below the lower side surface
  • the third curved surface 141 protrudes above the upper side surface
  • the fourth curved surface 142 is recessed toward the lower side surface.
  • the inner side of the isolation component body 11 is a straight line, and the isolation component body 11 There is a reinforcement hole 111 inside, and a tear opening 121 connected to the reinforcement hole 111 is provided on the outer side surface 12; There is a loose tube 2 in each of 3, and each loose tube has multiple optical fibers 21; the loose tube in each accommodating cavity 3 is tangent to the second curved surface 132 of one of the isolating parts, and each The loose tube in the gap is tangent to the third curved surface 141 and the third curved surface 141 of another isolating part; the inner sides of all isolating parts overlap, and the outer sides of all isolating parts are on the same cylindrical surface, and the protective layer 4 Cover all the isolation parts and loose tube; the reinforcement hole 111 has a reinforcement member 6, and the protective layer 4 is spaced with alignment grooves 7 and positioning grooves 8 along the circumferential direction.
  • the alignment grooves 7 are formed by circular cylindrical grooves 72 And open groove 71, the ring cylindrical groove 72 is located on the inner surface of the protective layer 4 and presents a circular column shape distribution, the open groove 71 is located directly above the circular cylindrical groove 72 and penetrates the upper surface of the protective layer 4, the circular cylindrical groove 72 is located directly above the tear opening 121, the positioning groove 8 is located directly above the accommodating cavity 3, and the accommodating cavity 3 is located in the protective layer 4.
  • FIG. 12 and Figure 13 Please refer to Figure 1 to Figure 11, an indoor and outdoor dual-purpose communication optical cable, with four isolation components 1, four loose tubes 2, a protective layer 4, and located outside the protective layer 4.
  • the outer sheath 5 It is characterized in that the isolating member 1 is composed of an isolating member body 11, and the isolating member body 11 is composed of an outer side surface 12, a first curved surface 131, a second curved surface 132, a fourth curved surface 142, and a third The curved surface 141 is connected end to end in turn.
  • the first curved surface 131 and the second curved surface 132 constitute the lower side surface 13, the third curved surface 141 and the fourth curved surface 142 constitute the upper side surface 14, and the outer side surface 12 is a part of the cylindrical surface.
  • the first curved surface 131 is recessed toward the upper side
  • the second curved surface 132 protrudes below the lower side
  • the third curved surface 141 protrudes above the upper side
  • the fourth curved surface 142 is recessed toward the lower side.
  • the isolation component body The inner side of 11 is a straight line
  • the isolation member body 11 has a reinforcement hole 111 inside
  • the outer side surface 12 has a tear opening 121 that communicates with the reinforcement hole 111;
  • the gap is called the accommodating cavity 3.
  • Each accommodating cavity 3 has a loose tube 2, and each loose tube has a plurality of optical fibers 21; the loose tube in each accommodating cavity 3 and one of them
  • the second curved surface 132 of the isolation component is tangent, and the loose tube in each gap is tangent to the third curved surface 141 and the third curved surface 141 of the other isolation component; the inner sides of all the isolation components coincide, all The outer side of the isolation component is on the same cylindrical surface, and the protective layer 4 covers all the isolation components and the loose tube;
  • the reinforcing hole 111 has a reinforcing member 6, and the protective layer 4 has alignment grooves 7 and positioning at intervals along the circumferential direction.
  • Slot 8 the alignment groove 7 is composed of a circular cylindrical groove 72 and an open groove 71.
  • the circular cylindrical groove 72 is located on the inner surface of the protective layer 4 and presents a circular cylindrical shape distribution, and the open groove 71 is located directly above the circular cylindrical groove 72 And penetrating the upper surface of the protective layer 4, the circular cylindrical groove 72 is located directly above the tear opening 121, the positioning groove 8 is located directly above the accommodating cavity 3, and the accommodating cavity 3 is located in the protective layer 4.
  • an indoor and outdoor dual-purpose communication optical cable refer to Example 1 to Example 5, the difference is that the accommodating cavity 3 is formed by an isolating element similar in shape to the isolating component 1 In this case, the loose tube can be located in the reinforced hole 111.
  • the isolation element 9 has a small gap or a gap larger than that of the isolation component 1, so that loose tubes of different sizes/cores can be placed; that is to say, in Examples 1-5
  • the size of the isolation component 1 can be different or the same; the size of the accommodating cavity 3 can be the same or different.
  • the loose tube can also be replaced by insulated wires or bare wires.
  • the so-called insulated wires are wires whose conductors are covered with an insulating layer. There is no insulation layer, so it becomes a dual-purpose cable for indoor and outdoor use.
  • isolation components loose tubes, insulated wires, and isolation elements in this application are not limited to four or four, and can also be other multiple or more.
  • the indoor and outdoor dual-purpose communication optical fiber cable described in this application is characterized in that the material of the isolation member is plastic, preferably polypropylene or polyethylene, or low-smoke, halogen-free, flame-retardant composite material or low-smoke, low-halogen, flame-retardant composite material Material.
  • the indoor and outdoor dual-purpose communication optical cable described in this application is characterized in that the material of the loose tube is plastic, preferably modified polypropylene or polyethylene or polybutylene terephthalate.
  • the indoor and outdoor dual-purpose communication optical fiber cable described in this application is characterized in that the model of the optical fiber is G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a Or A1b or A1c or A1d.
  • the indoor and outdoor dual-purpose communication optical fiber cable described in this application is characterized in that the material of the protective layer is plastic, preferably polypropylene or polyethylene, or low-smoke and halogen-free flame-retardant composite material or low-smoke and low-halogen flame-retardant composite Material.
  • the indoor and outdoor dual-purpose communication optical fiber cable described in this application is characterized in that the material of the outer sheath is plastic, preferably polypropylene or polyethylene or low-smoke halogen-free flame-retardant composite material or low-smoke low-halogen flame-retardant Composite materials.
  • the indoor and outdoor dual-purpose communication optical cable described in this application is characterized in that the material of the reinforcing member is steel or iron or aluminum with copper or glass fiber reinforced plastic or glass fiber yarn rope or aramid yarn rope.
  • the indoor and outdoor dual-purpose communication optical cable described in this application is characterized in that the material of the isolation element is plastic, preferably polypropylene or polyethylene or low-smoke halogen-free flame-retardant composite material or low-smoke, low-halogen flame-retardant composite Material.
  • the indoor and outdoor dual-purpose cable described in this application is characterized in that the material of the conductor is copper or aluminum or an alloy.
  • the isolation component clamps the loose tube or insulated wire, and the protective layer defines the isolation component, so the structure of the entire product is stable and reliable; at the same time, because the isolation component has a certain toughness, it can make the loose tube/ Insulated wires are easily put in and out.
  • polyester binding yarns can also be used to bind outside the isolation component to make the structure more stable.
  • the tearing opening can be conveniently inserted and taken out of the reinforcement.
  • the reinforcement is extruded together.
  • the reinforcement cannot be easily taken out and can only be discarded, resulting in unnecessary
  • the reinforcement can be placed as needed, and when it is scrapped, it can be taken out and reused.
  • the alignment groove is cut downward to reach the tear opening.
  • adjacent alignment grooves are cut down at approximately the middle position to reach the positioning groove, and then cut downward to reach the accommodating cavity.
  • the loose tube or insulated wire can be easily taken out or put in, which is convenient for inspection and replacement, and at the same time, it is more convenient to peel off the protective layer.
  • SZ twisted cable equipment is not required, which solves the technical problem (1); the use of extruder to extrude isolation parts, etc., the speed is more than 8 times that of SZ twisted cable, which solves the technical problem (2); It solves the technical problem (3); there is no need to tie the yarn, even if the yarn is used, it is not wrapped on the loose tube or the insulating layer, so the technical problem (4) is solved; in addition, the application also achieves rapid stripping , Replace the loose tube or insulated wire; make the protective layer cutting more labor-saving, find the loose tube or insulated wire more accurate/fast and timely; the reinforcement can be placed according to needs, can be reused and many other technical problems.
  • the invention has the following main beneficial effects: the structure is more stable and reliable, the loose tube/insulated wire is more convenient to take and place, the stripping is more convenient, the utilization rate of the reinforcement is higher, the product weight is lighter, the cost is higher, and the production is more convenient and more convenient. fast.
  • the above-mentioned embodiments are only preferred technical solutions of the present invention, and should not be regarded as limitations to the present invention.
  • the protection scope of the present invention should be based on the technical solutions described in the claims, including equivalent replacement solutions of the technical features in the technical solutions described in the claims. That is, equivalent replacement and improvement within this scope are also within the protection scope of the present invention.

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Abstract

L'invention concerne un câble optique de communication à double usage intérieur et extérieur, comprenant quatre composants d'isolation (1), quatre buffertubers (2), une couche de protection (4), et une gaine externe (5) disposée à l'extérieur de la couche de protection (4) ; les composants d'isolation (1) chacun étant formé par un corps de composant d'isolation (11) ; le corps de composant d'isolation (11) est formé par liaison séquentielle d'une face latérale externe (12), une première face incurvée (131), une deuxième face incurvée (132), une quatrième face incurvée (142) et une troisième face incurvée (141) bout à bout ; les bords latéraux internes de tous les composants d'isolation (1) coïncident les uns avec les autres, et les côtés extérieurs de tous les composants d'isolation (1) se trouvent sur la même face cylindrique ; et la couche de protection (4) recouvre tous les composants d'isolation (1) et les buffertubers (2). La présente invention concerne également un câble électrique. La présente invention présente les effets bénéfiques principaux suivants : la structure est stable et fiable, le ramassage et la mise en place de buffertubers (2) ou des fils isolants sont pratiques, le décapage est pratique, le taux d'utilisation d'un renforcement est plus élevé, le poids d'un produit est léger, le coût est élevé, et la production est pratique et rapide.
PCT/CN2020/134151 2020-04-23 2020-12-06 Câble optique de communication à double usage intérieur et extérieur et câble électrique WO2021212857A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202080005258.4A CN113711320B (zh) 2020-04-23 2020-12-06 一种室内外两用通信光缆及电缆

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CN202010324576.9A CN111383800A (zh) 2020-04-23 2020-04-23 一种室内外两用通信光缆及电缆
CN202010324576.9 2020-04-23

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CN111383800A (zh) * 2020-04-23 2020-07-07 苏州专创光电科技有限公司 一种室内外两用通信光缆及电缆
CN112037979B (zh) * 2020-08-25 2021-11-09 杭州富通通信技术股份有限公司 一种5g用抗压光电混合缆
CN112509733B (zh) * 2020-11-26 2022-05-20 飞洲集团股份有限公司 一种高压直流光纤电力复合海缆

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