WO2021212857A1

WO2021212857A1 - Indoor and outdoor dual-purpose communication optical cable and electrical cable

Info

Publication number: WO2021212857A1
Application number: PCT/CN2020/134151
Authority: WO
Inventors: 凌卫康
Original assignee: 苏州专创光电科技有限公司
Priority date: 2020-04-23
Filing date: 2020-12-06
Publication date: 2021-10-28
Also published as: CN111383800A; CN113711320B; CN113711320A

Abstract

An indoor and outdoor dual-purpose communication optical cable, comprising four isolation components (1), four buffertubers (2), a protective layer (4), and an outer sheath (5) provided outside the protective layer (4); the isolation components (1) each are formed by an isolation component body (11); the isolation component body (11) is formed by sequentially connecting an outer side face (12), a first curved face (131), a second curved face (132), a fourth curved face (142) and a third curved face (141) end to end; the inner side edges of all the isolation components (1) coincide with one another, and the outer sides of all the isolation components (1) are on the same cylindrical face; and the protective layer (4) covers all the isolation components (1) and the buffertubers (2). The present invention also relates to an electrical cable. The present invention has the following main beneficial effects: the structure is stable and reliable, the pick-up and placement of buffertubers (2) or insulating wires are convenient, the stripping is convenient, the utilization rate of a reinforcer is higher, the weight of a product is light, the cost is high, and the production is convenient and fast.

Description

Indoor and outdoor dual-purpose communication optical cable and cable

Technical field

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.

Background technique

As a pillar industry in the national economy, wire and cable are increasingly used in applications. However, after the production of the optical cable in the prior art is completed, it needs to be twisted by SZ to form a cable, that is, the reinforcement is placed in the center, the loose tube is twisted forward and backward around the reinforcement, and then the strand is wrapped with polyester yarn. , Form a stable cable core structure, and add multiple layers of protection to the cable core to form an optical cable or cable.

technical problem

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.

Technical solutions

In order to solve the above problems, 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. 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.

Beneficial effect

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.

Description of the drawings

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.

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.

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.

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.

FIG. 11 is an enlarged schematic diagram of the cross-sectional structure of FIG. 10.

12 is a schematic diagram of a three-dimensional structure after anatomy of Example 5. FIG.

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.

In order to enable those in the technical field to understand and implement this application more accurately and clearly, the reference numerals are further described below in conjunction with the accompanying drawings of the specification. In the figures: 1-isolation component, 11-isolation component body, 12-outer side, 13—lower side surface, 111—reinforced hole, 131—first curved surface, 132—second curved surface, 14—upper side surface, 141—third curved surface, 142—fourth curved surface, 2-loose tube, 21 —Optical fiber, 3—accommodating cavity, 4—protective layer, 5—outer sheath, 6—reinforcement, 121—tear opening, 72—ring cylindrical groove, 71—open groove, 7—alignment groove, 8—Locating slot, 9—Isolating element.

The best mode of the present invention

Please see Figure 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, and 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, and 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.

Embodiments of the present invention

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, and the fourth curved surface 142 is recessed toward the lower side. The isolation component body 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. The gap is called the containing cavity 3, and 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.

Please refer to Figure 8 and Figure 9, and 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, and 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, and 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.

Please refer to Figures 10 and 11, and refer to Figures 1 to 9, 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, and the second The curved surface 132 protrudes below the lower side surface, the third curved surface 141 protrudes above the upper side surface, and 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.

Please refer to Figure 12 and Figure 13, and 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, and 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, and 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.

Please refer to Figure 14, and refer to Figures 1 to 13, 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.

Of course, further, it can also be considered that 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.

Of course, further, in the above-mentioned implementation examples of the present application, 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.

The 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.

In this application, 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.

In this application, polyester binding yarns can also be used to bind outside the isolation component to make the structure more stable.

In this application, the tearing opening can be conveniently inserted and taken out of the reinforcement. In the prior art, the reinforcement is extruded together. When the cable is scrapped, the reinforcement cannot be easily taken out and can only be discarded, resulting in unnecessary In this application, the reinforcement can be placed as needed, and when it is scrapped, it can be taken out and reused.

In this application, the alignment groove is cut downward to reach the tear opening. On the protective layer, 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. Furthermore, 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.

In this application, 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.

Industrial applicability

This application has been manufactured into a product. 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.

Claims

An indoor and outdoor dual-purpose communication optical cable, which has a plurality of isolation components, a plurality of loose tubes, a protective layer, and an outer sheath located outside the protective layer; and 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. 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 coincide, 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; the loose tube The material is plastic; the material of the protective layer is polypropylene or polyethylene or low-smoke halogen-free flame-retardant composite material or low-smoke low-halogen flame-retardant composite material; 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.
An indoor and outdoor dual-purpose communication optical cable, which has a plurality of isolation components, a plurality of loose tubes, a protective layer, and an outer sheath located outside the protective layer; and 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; reinforced hole with reinforcement; the material of the loose tube is plastic; the material of the protective layer is polypropylene or polyethylene or low-smoke and halogen-free flame-retardant composite material or low-smoke and low-halogen flame-retardant composite material; 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 material of the reinforcement is steel or iron or Aluminum tape copper or glass fiber reinforced plastic or glass fiber yarn rope or aramid yarn rope.
An indoor and outdoor dual-purpose communication optical cable, which has a plurality of isolation components, a plurality of loose tubes, a protective layer, and an outer sheath located outside the protective layer; and 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, the interior of the isolation component body has a reinforced hole, and the outer surface has a tear opening communicating with the reinforced hole; the four isolation components are distributed along the circumferential direction with gaps in the same direction, This gap is called the accommodating cavity. Each accommodating cavity has a loose tube, and each loose tube has a plurality of optical fibers; the loose tube in each accommodating cavity is connected to the first part of one of the isolation parts. The two curved surfaces are tangent, and the loose tube in each gap is tangent to the third and third curved surfaces of the other isolating part; the inner sides of all isolating parts coincide, and the outer surfaces of all isolating parts are on the same cylindrical surface On the upper part, the protective layer covers all the isolation parts and the loose tube; there are reinforcements in the reinforcement hole; the material of the loose tube is plastic; the material of the protective layer is polypropylene or polyethylene or low-smoke and halogen-free Flame-retardant composite material or low-smoke and low-halogen flame-retardant composite material; 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 material of the reinforcement is steel or iron or aluminum with copper or glass fiber reinforced plastic or glass fiber yarn or aramid yarn.
An indoor and outdoor dual-purpose communication optical cable, which has a plurality of isolation components, a plurality of loose tubes, and a protective layer; it is characterized in that the isolation component is composed of an isolation component body, and the isolation component body is composed of an outer side surface, a first curved surface, and a first curved surface. The two curved surfaces, the fourth curved surface, and the third curved surface are connected end to end in turn. The first curved surface and the second curved surface constitute the lower side surface, the third curved surface and the fourth curved surface constitute the upper side surface, and the outer side surface is a cylinder. A part of the surface, the first curved surface is recessed in the direction of the upper side, the second curved surface protrudes below the lower side, the third curved surface protrudes above the upper side, and the fourth curved surface is recessed in the direction of the lower side. The inner side of the isolation component body The side is a straight line, the inside of the isolation component body has a reinforced hole, and the outer surface has a tear opening communicating with the reinforced hole; the four isolation components are distributed in the same direction along the circumferential direction, and the gap is called a containing cavity. There is a loose tube in the cavity, and each loose tube has multiple optical fibers; the loose tube in each cavity is tangent to the second curved surface of one of the isolation parts, and the loose tube in each gap The sleeve is tangent to the third curved surface and the third curved surface 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 covers all isolating parts And loose casing; there are reinforcements in the reinforcement hole, and the protective layer has alignment grooves and positioning grooves distributed along the circumferential direction. The alignment grooves are composed of ring cylindrical grooves and open grooves. The ring cylindrical grooves are located on the inner surface of the protective layer. The open groove is located directly above the ring cylindrical groove and penetrates the upper surface of the protective layer, the ring cylindrical groove is located directly above the tear opening, and the positioning groove is located directly above the accommodating cavity. The accommodating cavity Located in the protective layer; the material of the loose tube is plastic; the material of the protective layer is polypropylene or polyethylene or low-smoke halogen-free flame-retardant composite material or low-smoke low-halogen flame-retardant composite material; the optical fiber The model 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 material of the reinforcement is steel or iron or aluminum with copper or Glass fiber reinforced plastic or glass fiber yarn rope or aramid yarn rope.
An indoor and outdoor dual-purpose communication optical cable, which has a plurality of isolation components, a plurality of loose tubes, a protective layer, and an outer sheath located outside the protective layer; and 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, the interior of the isolation component body has a reinforced hole, and the outer surface has a tear opening communicating with the reinforced hole; the four isolation components are distributed along the circumferential direction with gaps in the same direction, This gap is called the accommodating cavity. Each accommodating cavity has a loose tube, and each loose tube has a plurality of optical fibers; the loose tube in each accommodating cavity is connected to the first part of one of the isolation parts. The two curved surfaces are tangent, and the loose tube in each gap is tangent to the third and third curved surfaces of the other isolating part; the inner sides of all isolating parts coincide, and the outer surfaces of all isolating parts are on the same cylindrical surface On the upper part, the protective layer covers all the isolation parts and loose tubes; the reinforcement holes are equipped with reinforcement parts, and the protective layer is distributed with alignment grooves and positioning grooves at intervals along the circumferential direction. The alignment grooves are composed of ring cylindrical grooves and open grooves. , The ring cylindrical groove is located on the inner surface of the protective layer and presents a ring column shape distribution, the opening groove is located directly above the ring cylindrical groove and penetrates the upper surface of the protective layer, the ring cylindrical groove is located directly above the tear opening, and the positioning groove Located directly above the accommodating cavity, the accommodating cavity is in the protective layer; the material of the loose tube is plastic; the material of the protective layer is polypropylene or polyethylene or low-smoke halogen-free flame-retardant composite material or low-smoke Low-halogen flame-retardant composite material; 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 reinforcement The material is steel or iron or aluminum with copper or glass fiber reinforced plastic or glass fiber yarn rope or aramid yarn rope.
An indoor and outdoor dual-purpose cable, which has a plurality of isolation components, a plurality of insulated wires, a protective layer, and an outer sheath located outside the protective layer; characterized in that the isolation component is composed of an isolation component body, and the isolation component body is composed of The outer side surface, the first curved surface, the second curved surface, the fourth curved surface, and the third curved surface are connected end to end in turn. The first curved surface and the second curved surface constitute the lower side surface, and the third curved surface and the fourth curved surface It forms the upper side surface, the outer side surface is a part of the cylindrical surface, the first curved surface is concave in the direction of the upper side, the second curved surface protrudes below the lower side, the third curved surface protrudes above the upper side, and the fourth curved surface is on the lower side The inner side of the isolation component body is a straight line; the four isolation components are distributed in the same direction along the circumferential direction, and the gap is called the accommodating cavity. Each accommodating cavity has an insulated wire, and the insulated wire is The conductor is covered with a wire with an insulating layer; the insulated wire in each accommodating cavity is tangent to the second curved surface of one of the isolation components, and the insulated wire in each gap is connected to the third curved surface and the third curved surface of the other isolation component. The three curved surfaces are tangent; the inner sides of all the isolation parts coincide, the outer sides of all the isolation parts are on the same cylindrical surface, and the protective layer covers all the isolation parts and insulated wires; the material of the protective layer is polypropylene or Polyethylene or low-smoke halogen-free flame-retardant composite material or low-smoke low-halogen flame-retardant composite material; 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 material of the conductor is copper or aluminum or alloy.
An indoor and outdoor dual-purpose cable, which has a plurality of isolation components, a plurality of insulated wires, a protective layer, and an outer sheath located outside the protective layer; characterized in that the isolation component is composed of an isolation component body, and the isolation component body is composed of The outer side surface, the first curved surface, the second curved surface, the fourth curved surface, and the third curved surface are connected end to end in turn. The first curved surface and the second curved surface constitute the lower side surface, and the third curved surface and the fourth curved surface It forms the upper side surface, the outer side surface is a part of the cylindrical surface, the first curved surface is concave in the direction of the upper side, the second curved surface protrudes below the lower side, the third curved surface protrudes above the upper side, and the fourth curved surface is on the lower side The inner side of the isolation component body is a straight line, and the interior of the isolation component body has a reinforced hole; the four isolation components are distributed in the same direction along the circumferential direction, and the gap is called a containing cavity, and each containing cavity has An insulated wire, an insulated wire is a wire covered with an insulating layer on the outside of the conductor; the insulated wire in each accommodating cavity is tangent to the second curved surface of one of the isolation parts, and the insulated wire in each gap is isolated from the other The third curved surface and the third curved surface of the component are tangent; the inner sides of all the isolation components overlap, the outer sides of all the isolation components are on the same cylindrical surface, and the protective layer covers all the isolation components and insulated wires; reinforcement holes There is a reinforcement inside; the material of the protective layer is polypropylene or polyethylene or low-smoke halogen-free flame-retardant composite material or low-smoke low-halogen flame-retardant composite material; the material of the isolation element is plastic, preferably polypropylene or poly Ethylene or low-smoke halogen-free flame-retardant composite material or low-smoke low-halogen flame-retardant composite material; the material of the conductor is copper or aluminum or alloy.
An indoor and outdoor dual-purpose cable, which has a plurality of isolation components, a plurality of insulated wires, a protective layer, and an outer sheath located outside the protective layer; characterized in that the isolation component is composed of an isolation component body, and the isolation component body is composed of The outer side surface, the first curved surface, the second curved surface, the fourth curved surface, and the third curved surface are connected end to end in turn. The first curved surface and the second curved surface constitute the lower side surface, and the third curved surface and the fourth curved surface It forms the upper side surface, the outer side surface is a part of the cylindrical surface, the first curved surface is concave in the direction of the upper side, the second curved surface protrudes below the lower side, the third curved surface protrudes above the upper side, and the fourth curved surface is on the lower side Recessed in the direction, the inner side of the isolation component body is a straight line, the interior of the isolation component body has a reinforced hole, and the outer surface has a tear opening that communicates with the reinforced hole; the four isolation components are distributed in the same direction along the circumferential direction with a gap, the gap It is called the accommodating cavity. Each accommodating cavity has an insulated wire. The insulated wire is a wire whose conductor is covered with an insulating layer; the insulated wire in each accommodating cavity is the second bend of one of the isolation parts The surface is tangent, the insulated wire in each gap is tangent to the third curved surface and the third curved surface of another isolating part; the inner sides of all isolating parts coincide, and the outer sides of all isolating parts are on the same cylindrical surface, protecting The layer covers all the isolation parts and insulated wires; there are reinforcements in the reinforcement holes; the material of the protective layer is polypropylene or polyethylene or low-smoke and halogen-free flame-retardant composite materials or low-smoke and low-halogen flame-retardant composite materials; The material of the isolation element is plastic, preferably polypropylene or polyethylene, or low-smoke, halogen-free and flame-retardant composite material or low-smoke and low-halogen flame-retardant composite material; the material of the conductor is copper or aluminum or an alloy.
An indoor and outdoor dual-purpose cable, which has a plurality of isolation components, a plurality of insulated conductors, and a protective layer; and is characterized in that the isolation component is composed of an isolation component body, and the isolation component body is composed of an outer side surface, a first curved surface, and a second curved surface. The first curved surface and the second curved surface constitute the lower side surface, the third curved surface and the fourth curved surface constitute the upper side surface, and the outer side surface is a cylindrical surface. In one part, the first curved surface is recessed in the direction of the upper side, the second curved surface is protruded below the lower side, the third curved surface is protruded above the upper side, and the fourth curved surface is recessed in the direction of the lower side. The inner side of the isolation component body is Straight line, the inside of the isolation part body has a reinforced hole, and the outer surface has a tear opening that communicates with the reinforced hole; the four isolation parts are distributed along the circumferential direction with gaps in the same direction. The gap is called a containing cavity, and each containing cavity There is an insulated wire in the middle, and the insulated wire is a wire covered with an insulating layer; the insulated wire in each accommodating cavity is tangent to the second curved surface of one of the isolation parts, and the insulated wire in each gap is connected to the 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 insulated wires There are reinforcements in the reinforcement holes, and the protective layer has alignment grooves and positioning grooves distributed along the circumferential direction. The alignment grooves are composed of ring cylindrical grooves and open grooves. The ring cylindrical grooves are located on the inner surface of the protective layer and present a ring The column shape is distributed, the opening groove is located directly above the circular cylindrical groove and penetrates the upper surface of the protective layer, the circular cylindrical groove is located directly above the tear opening, the positioning groove is located directly above the accommodating cavity, and the accommodating cavity is located in the protective layer The material of the protective layer is polypropylene or polyethylene or low-smoke halogen-free flame-retardant composite material or low-smoke low-halogen flame-retardant composite material; the material of the isolation element is plastic, preferably polypropylene or polyethylene or low-smoke Halogen-free flame-retardant composite material or low-smoke and low-halogen flame-retardant composite material; the material of the conductor is copper or aluminum or alloy.
An indoor and outdoor dual-purpose cable, which has a plurality of isolation components, a plurality of insulated wires, a protective layer, and an outer sheath located outside the protective layer; characterized in that the isolation component is composed of an isolation component body, and the isolation component body is composed of The outer side surface, the first curved surface, the second curved surface, the fourth curved surface, and the third curved surface are connected end to end in turn. The first curved surface and the second curved surface constitute the lower side surface, and the third curved surface and the fourth curved surface It forms the upper side surface, the outer side surface is a part of the cylindrical surface, the first curved surface is concave in the direction of the upper side, the second curved surface protrudes below the lower side, the third curved surface protrudes above the upper side, and the fourth curved surface is on the lower side Recessed in the direction, the inner side of the isolation component body is a straight line, the interior of the isolation component body has a reinforced hole, and the outer surface has a tear opening that communicates with the reinforced hole; the four isolation components are distributed in the same direction along the circumferential direction with a gap, the gap It is called the accommodating cavity. Each accommodating cavity has an insulated wire. The insulated wire is a wire whose conductor is covered with an insulating layer; the insulated wire in each accommodating cavity is the second bend of one of the isolation parts The surface is tangent, the insulated wire in each gap is tangent to the third curved surface and the third curved surface of another isolating part; the inner sides of all isolating parts coincide, and the outer sides of all isolating parts are on the same cylindrical surface, protecting The layer covers all the isolation parts and insulated wires; there are reinforcements in the reinforcement holes, and the protective layer has alignment grooves and positioning grooves distributed along the circumferential direction. The alignment grooves are composed of ring cylindrical grooves and open grooves. The groove is located on the inner surface of the protective layer and presents a circular column shape distribution, the open groove is located directly above the circular cylindrical groove and penetrates the upper surface of the protective layer, the circular cylindrical groove is located directly above the tear opening, and the positioning groove is located in the accommodating cavity The accommodating cavity is located in the protective layer; the material of the protective layer is polypropylene or polyethylene or low-smoke halogen-free flame-retardant composite material or low-smoke low-halogen flame-retardant composite material; the material of the isolation element 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 material of the conductor is copper or aluminum or an alloy.