CN113711320A

CN113711320A - Indoor and outdoor dual-purpose communication optical cable and cable

Info

Publication number: CN113711320A
Application number: CN202080005258.4A
Authority: CN
Inventors: 凌卫康
Original assignee: Suzhou Zhuanchuang Photoelectric Technology Co ltd
Current assignee: Hunan Litong Hengyu Cable Technology Co ltd
Priority date: 2020-04-23
Filing date: 2020-12-06
Publication date: 2021-11-26
Anticipated expiration: 2040-12-06
Also published as: WO2021212857A1; CN113711320B; CN111383800A

Abstract

An indoor and outdoor dual-purpose communication optical cable is provided with four isolation components (1), four loose tubes (2), a protective layer (4) and an outer sheath (5) positioned outside the protective layer (4); the isolation component (1) is composed of an isolation component body (11), and the isolation component body (11) is formed by sequentially connecting an outer side surface (12), a first bending surface (131), a second bending surface (132), a fourth bending surface (142) and a third bending surface (141) end to end; the inner side edges of all the isolation components (1) are overlapped, the outer side surfaces of all the isolation components (1) are on the same cylindrical surface, and the protective layer (4) covers all the isolation components (1) and the loose tubes (2). And to electrical cables. The method has the following main beneficial effects: the structure is more stable and reliable, the loose tube (2) or the insulated wire is more convenient to take and place, the stripping is more convenient, the utilization rate of the reinforcing part is higher, the product weight is lighter, the cost is higher, and the production is more convenient and faster.

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

The use of electric wire and cable as a supporting industry in national economy is increasing. However, after the optical cable in the prior art is produced, SZ stranding is required to form a cable, that is, the reinforcement is placed at the center, the loose tube is stranded around the reinforcement in the forward and reverse directions, and then the twisted body is wrapped with polyester binder to form a stable cable core structure, and multiple layers of protection are added to the cable core to form the optical cable or the cable.

Technical problem

The above background art has the following disadvantages: (1) SZ stranding cabling equipment is expensive, occupies a large area and has large working noise; (2) the production speed is slow; (3) the performance of the product is reduced by twisting the twisted loose tube or the insulated wire; (4) the binding yarn and the loose tube or the insulating layer are different in thermal expansion and cold contraction performance, and the loose tube or the insulating layer and even the internal photoconductor are easy to be damaged by temperature change, so that communication/power interruption is caused.

Technical solution

In order to solve the problems, the invention aims to disclose an indoor and outdoor dual-purpose communication optical cable and an indoor and outdoor dual-purpose cable, which are realized by adopting the following technical scheme.

An indoor and outdoor dual-purpose communication optical cable comprises four isolation components, four loose tubes, a protective layer and an outer sheath positioned outside the protective layer; the isolating component is characterized by comprising an isolating component body, wherein the isolating component body is formed by sequentially connecting an outer side surface, a first curved surface, a second curved surface, a fourth curved surface and a third curved surface end to end, the first curved surface and the second curved surface form a lower side surface, the third curved surface and the fourth curved surface form an upper side surface, the outer side surface is a part of the surface of a cylinder, the first curved surface is concave towards the upper side surface direction, the second curved surface is convex towards the lower side surface, the third curved surface is convex towards the upper side surface, the fourth curved surface is concave towards the lower side surface direction, and the inner side edge of the isolating component body is a straight line; the four isolation components are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities, each accommodating cavity is internally provided with a loose tube, and each loose tube is internally provided with a plurality of optical fibers; the loose tube in each accommodating cavity is tangent to the second bending surface of one isolating component, and the loose tube in each gap is tangent to the third bending surface and the third bending surface of the other isolating component; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer covers all the isolation parts and the loose sleeve.

An indoor and outdoor dual-purpose communication optical cable comprises four isolation components, four loose tubes, a protective layer and an outer sheath positioned outside the protective layer; the isolating component is characterized by comprising an isolating component body, wherein the isolating component body is formed by sequentially connecting an outer side face, a first bending face, a second bending face, a fourth bending face and a third bending face end to end, the first bending face and the second bending face form a lower side face, the third bending face and the fourth bending face form an upper side face, the outer side face is a part of the surface of a cylinder, the first bending face is sunken towards the upper side face, the second bending face is protruded towards the lower side face, the third bending face is protruded towards the upper side face, the fourth bending face is sunken towards the lower side face, the inner side edge of the isolating component body is a straight line, and reinforcing holes are formed in the isolating component body; the four isolation components are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities, each accommodating cavity is internally provided with a loose tube, and each loose tube is internally provided with a plurality of optical fibers; the loose tube in each accommodating cavity is tangent to the second bending surface of one isolating component, and the loose tube in each gap is tangent to the third bending surface and the third bending surface of the other isolating component; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer covers all the isolation parts and the loose sleeve; the reinforcing hole is internally provided with a reinforcing piece.

Advantageous effects

The 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 reinforcing part is higher, the weight of the product is lighter, the cost is higher, the production is more convenient and faster.

Drawings

FIG. 1 is a schematic, anatomical perspective view of a spacer member useful in the present application.

Fig. 2 is an enlarged cross-sectional structure diagram of fig. 1.

FIG. 3 is a schematic cross-sectional structure of example 1.

Fig. 4 is an enlarged schematic view of fig. 3 at a.

FIG. 5 is a cross-sectional structural view of another isolation member useful in the present application.

Fig. 6 is a schematic perspective view of a dissected segment of the example 2.

Fig. 7 is an enlarged cross-sectional view of fig. 6.

Fig. 8 is a schematic perspective view of a dissected segment of the example 3.

Fig. 9 is an enlarged cross-sectional view of fig. 8.

Fig. 10 is a schematic perspective view of a dissected segment of the example 4.

Fig. 11 is an enlarged cross-sectional view of fig. 10.

Fig. 12 is a schematic perspective view of a dissected segment of the example 5.

Fig. 13 is an enlarged cross-sectional view of fig. 12.

Figure 14 is a schematic view of a further cross-sectional structure of the cable core of example 6.

In order that those skilled in the art will more accurately and clearly understand and practice the present application, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which: 1-isolation component, 11-isolation component body, 12-outer side face, 13-lower side face, 111-reinforcing hole, 131-first bending face, 132-second bending face, 14-upper side face, 141-third bending face, 142-fourth bending face, 2-loose tube, 21-optical fiber, 3-accommodating cavity, 4-protective layer, 5-outer sheath, 6-reinforcing piece, 121-tearing opening, 72-annular cylindrical groove, 71-open groove, 7-alignment groove, 8-positioning groove and 9-isolation element.

Best mode for carrying out the invention

Referring to fig. 1 to 4, an indoor and outdoor dual-purpose communication optical cable includes four isolation components 1, four loose tubes 2, a protective layer 4, and an outer sheath 5 located outside the protective layer 4; the isolating component 1 is characterized in that the isolating component body 11 is composed of an outer side surface 12, a first bending surface 131, a second bending surface 132, a fourth bending surface 142 and a third bending surface 141 which are sequentially connected end to end, the first bending surface 131 and the second bending surface 132 form a lower side surface 13, the third bending surface 141 and the fourth bending surface 142 form an upper side surface 14, the outer side surface 12 is a part of a cylinder surface, the first bending surface 131 is concave towards the upper side surface, the second bending surface 132 is convex towards the lower side surface, the third bending surface 141 is convex towards the upper side surface, the fourth bending surface 142 is concave towards the lower side surface, and the inner side edge of the isolating component body 11 is a straight line; the four isolation components 1 are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities 3, each accommodating cavity 3 is provided with a loose tube 2, and each loose tube is internally provided with a plurality of optical fibers 21; 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 is tangent to the third curved surface 141 and the third curved surface 141 of the other isolation part; the inner sides of all the isolation parts are overlapped, 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 tubes.

Modes for carrying out the invention

Referring to fig. 5 and 7, and fig. 1 to 4, an indoor and outdoor dual-purpose optical communication cable includes four isolation members 1, four loose tubes 2, a protective layer 4, and an outer sheath 5 located outside the protective layer 4; the isolating component 1 is characterized in that the isolating component body 11 is composed of an outer side surface 12, a first bending surface 131, a second bending surface 132, a fourth bending surface 142 and a third bending surface 141 which are sequentially connected end to end, the first bending surface 131 and the second bending surface 132 form a lower side surface 13, the third bending surface 141 and the fourth bending surface 142 form an upper side surface 14, the outer side surface 12 is a part of a cylinder surface, the first bending surface 131 is concave towards the upper side surface direction, the second bending surface 132 is convex towards the lower side surface, the third bending surface 141 is convex towards the upper side surface, the fourth bending surface 142 is concave towards the lower side surface direction, the inner side edge of the isolating component body 11 is a straight line, and a reinforcing hole 111 is formed in the isolating component body 11; the four isolation components 1 are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities 3, each accommodating cavity 3 is provided with a loose tube 2, and each loose tube is internally provided with a plurality of optical fibers 21; 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 is tangent to the third curved surface 141 and the third curved surface 141 of the other isolation part; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer 4 covers all the isolation parts and the loose sleeve; the reinforcement hole 111 has the reinforcement 6 therein.

Referring to fig. 8 and 9 and fig. 1 to 7, an indoor and outdoor dual-purpose optical communication cable has four isolation members 1, four loose tubes 2, a protective layer 4, and an outer sheath 5 located outside the protective layer 4; the isolation component 1 is characterized in that the isolation component body 11 is composed of an isolation component body 11, the isolation component body 11 is formed by sequentially connecting an outer side surface 12, a first bending surface 131, a second bending surface 132, a fourth bending surface 142 and a third bending surface 141 end to end, the first bending surface 131 and the second bending surface 132 form a lower side surface 13, the third bending surface 141 and the fourth bending surface 142 form an upper side surface 14, the outer side surface 12 is a part of a cylinder surface, the first bending surface 131 is sunken towards the upper side surface direction, the second bending surface 132 is sunken towards the lower side surface, the third bending surface 141 is protruded towards the upper side surface, the fourth bending surface 142 is sunken towards the lower side surface direction, the inner side edge of the isolation component body 11 is a straight line, the isolation component body 11 is internally provided with a reinforcing hole 111, and the outer side surface 12 is provided with a tearing port 121 communicated with the reinforcing hole 111; the four isolation components 1 are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities 3, each accommodating cavity 3 is provided with a loose tube 2, and each loose tube is internally provided with a plurality of optical fibers 21; 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 is tangent to the third curved surface 141 and the third curved surface 141 of the other isolation part; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer 4 covers all the isolation parts and the loose sleeve; the reinforcement hole 111 has the reinforcement 6 therein.

Referring to fig. 10 and 11, and fig. 1 to 9, an indoor and outdoor dual-purpose optical communication cable has four isolation members 1, four loose tubes 2, and a protective layer 4; the isolation component 1 is characterized in that the isolation component body 11 is composed of an isolation component body 11, the isolation component body 11 is formed by sequentially connecting an outer side surface 12, a first bending surface 131, a second bending surface 132, a fourth bending surface 142 and a third bending surface 141 end to end, the first bending surface 131 and the second bending surface 132 form a lower side surface 13, the third bending surface 141 and the fourth bending surface 142 form an upper side surface 14, the outer side surface 12 is a part of a cylinder surface, the first bending surface 131 is sunken towards the upper side surface direction, the second bending surface 132 is sunken towards the lower side surface, the third bending surface 141 is protruded towards the upper side surface, the fourth bending surface 142 is sunken towards the lower side surface direction, the inner side edge of the isolation component body 11 is a straight line, the isolation component body 11 is internally provided with a reinforcing hole 111, and the outer side surface 12 is provided with a tearing port 121 communicated with the reinforcing hole 111; the four isolation components 1 are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities 3, each accommodating cavity 3 is provided with a loose tube 2, and each loose tube is internally provided with a plurality of optical fibers 21; 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 is tangent to the third curved surface 141 and the third curved surface 141 of the other isolation part; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer 4 covers all the isolation parts and the loose sleeve; strengthen having reinforcement 6 in the hole 111, protective layer 4 has counterpoint groove 7 and constant head tank 8 along circumference interval distribution, counterpoint groove 7 comprises annular column shape groove 72 and open slot 71, annular column shape groove 72 is located on the protective layer 4 internal surface and presents the distribution of annular column shape, open slot 71 is located directly over annular column shape groove 72 and runs through the upper surface of protective layer 4, annular column shape groove 72 is located directly over tearing mouthful 121, constant head tank 8 is located directly over holding chamber 3, holding chamber 3 is located protective layer 4.

Referring to fig. 12 and 13 and fig. 1 to 11, an indoor and outdoor dual-purpose optical communication cable has four isolation members 1, four loose tubes 2, a protective layer 4, and an outer sheath 5 located outside the protective layer 4; the isolation component 1 is characterized in that the isolation component body 11 is composed of an isolation component body 11, the isolation component body 11 is formed by sequentially connecting an outer side surface 12, a first bending surface 131, a second bending surface 132, a fourth bending surface 142 and a third bending surface 141 end to end, the first bending surface 131 and the second bending surface 132 form a lower side surface 13, the third bending surface 141 and the fourth bending surface 142 form an upper side surface 14, the outer side surface 12 is a part of a cylinder surface, the first bending surface 131 is sunken towards the upper side surface direction, the second bending surface 132 is sunken towards the lower side surface, the third bending surface 141 is protruded towards the upper side surface, the fourth bending surface 142 is sunken towards the lower side surface direction, the inner side edge of the isolation component body 11 is a straight line, the isolation component body 11 is internally provided with a reinforcing hole 111, and the outer side surface 12 is provided with a tearing port 121 communicated with the reinforcing hole 111; the four isolation components 1 are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities 3, each accommodating cavity 3 is provided with a loose tube 2, and each loose tube is internally provided with a plurality of optical fibers 21; 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 is tangent to the third curved surface 141 and the third curved surface 141 of the other isolation part; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer 4 covers all the isolation parts and the loose sleeve; strengthen having reinforcement 6 in the hole 111, protective layer 4 has counterpoint groove 7 and constant head tank 8 along circumference interval distribution, counterpoint groove 7 comprises annular column shape groove 72 and open slot 71, annular column shape groove 72 is located on the protective layer 4 internal surface and presents the distribution of annular column shape, open slot 71 is located directly over annular column shape groove 72 and runs through the upper surface of protective layer 4, annular column shape groove 72 is located directly over tearing mouthful 121, constant head tank 8 is located directly over holding chamber 3, holding chamber 3 is located protective layer 4.

Referring to fig. 14 and fig. 1 to 13, an indoor and outdoor optical communication cable, referring to embodiments 1 to 5, is different in that a receiving cavity 3 is replaced by a spacer member 9 having a shape similar to that of a spacer member 1, in which case a loose tube may be located in a reinforcing hole 111.

Of course, further, it is also conceivable that the spacer elements 9 are small gaps, or gaps larger than the spacer members 1, so that loose tubes of different sizes/core counts can be placed; that is, the sizes of the spacer members 1 in the embodiment examples 1 to 5 may be different or the same; the accommodating cavities 3 may be the same or different in size.

Of course, in the above embodiment of the present application, the loose tube may be replaced by an insulated wire or a bare wire, the insulated wire is a wire in which a conductor is covered with an insulating layer, and the bare wire is a wire in which only a conductor and no insulating layer are provided outside, which becomes an indoor and outdoor dual-purpose cable.

The number of the isolation members, the loose tubes, the insulated wires, and the isolation members in the present application is not limited to four or four, and may be other numbers or plural numbers.

The indoor and outdoor dual-purpose communication optical cable is characterized in that the isolation component is made of plastic, preferably polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke low-halogen flame-retardant composite material.

The indoor and outdoor dual-purpose communication optical cable is characterized in that the loose tube is made of plastic, preferably modified polypropylene or polyethylene or polybutylene terephthalate.

The indoor and outdoor dual-purpose communication optical cable is characterized in that the type of the optical fiber is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b, A1c or A1 d.

The indoor and outdoor dual-purpose communication optical cable is characterized in that the protective layer is made of plastic, preferably polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke low-halogen flame-retardant composite material.

The utility model provides an indoor outer dual-purpose communication optical cable, its characterized in that the material of oversheath is plastics, preferred polypropylene or polyethylene or low smoke and zero halogen flame retardant composite or low smoke and low halogen flame retardant composite.

The indoor and outdoor dual-purpose communication optical cable is characterized in that the reinforcing piece is made of steel, iron, aluminum tape, copper, glass fiber reinforced plastic, glass fiber yarn rope or aramid yarn rope.

An indoor outer dual-purpose communication optical cable that a kind of this application said, characterized in that the material of isolation component is plastics, preferably polypropylene or polyethylene or low smoke and zero halogen flame retardant composite or low smoke and low halogen flame retardant composite.

The indoor and outdoor dual-purpose cable is characterized in that the conductor is made of copper or aluminum or an alloy.

In the application, the isolation component clamps the loose tube or the insulated wire, and the protective layer limits the isolation component, so that the whole product has a stable and reliable structure; meanwhile, the isolation component has certain toughness, so that the loose tube/the insulated wire can be easily put in and taken out.

In the application, polyester tying yarn substances can be tied outside the isolation component, so that the structure is more stable.

In this application, the reinforcement can conveniently be put into and take out to the tear notch, and among the prior art, the reinforcement is the extrusion molding together, and when the cable was scrapped, the reinforcement can't conveniently be taken out, can only abandon, has caused unnecessary extravagant, and can place the reinforcement as required in this application, when scrapping, can take out and reuse.

In this application, the tear notch can be reachd to the alignment groove is cut downwards, and on the protective layer, the constant head tank can be reachd to the approximate intermediate position downcut of adjacent alignment groove, and the holding chamber can be reachd to the downcut again, and then can conveniently take out or put into loose tube or insulated wire, the inspection of being convenient for, the change of also being convenient for makes simultaneously to open and shell the protective layer more convenient.

The technical problem (1) is solved without SZ stranding cabling equipment; the plastic extruding machine is adopted to extrude the isolation component and the like, the speed is more than 8 times of that of SZ stranding cabling, and the technical problem (2) is solved; no twisting is needed, and the technical problem (3) is solved; the binding yarn is not needed, and the binding yarn is not bound on the loose tube or the insulating layer even if the binding yarn is used, so the technical problem (4) is solved; in addition, the method achieves quick stripping and replacement of the loose sleeve or the insulated wire; the cutting of the protective layer is more labor-saving, and the loose tube or the insulated wire is more accurately/quickly searched in time; the reinforcing piece can be placed according to needs, can be repeatedly used and the like.

Industrial applicability

The application has been manufactured into products. 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 reinforcing part is higher, the weight of the product is lighter, the cost is higher, the production is more convenient and faster. The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.

Claims

An indoor and outdoor dual-purpose communication optical cable is provided with a plurality of isolation components, a plurality of loose tubes, a protective layer and an outer sheath positioned outside the protective layer; the isolating component is characterized by comprising an isolating component body, wherein the isolating component body is formed by sequentially connecting an outer side surface, a first curved surface, a second curved surface, a fourth curved surface and a third curved surface end to end, the first curved surface and the second curved surface form a lower side surface, the third curved surface and the fourth curved surface form an upper side surface, the outer side surface is a part of the surface of a cylinder, the first curved surface is concave towards the upper side surface direction, the second curved surface is convex towards the lower side surface, the third curved surface is convex towards the upper side surface, the fourth curved surface is concave towards the lower side surface direction, and the inner side edge of the isolating component body is a straight line; the four isolation components are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities, each accommodating cavity is internally provided with a loose tube, and each loose tube is internally provided with a plurality of optical fibers; the loose tube in each accommodating cavity is tangent to the second bending surface of one isolating component, and the loose tube in each gap is tangent to the third bending surface and the third bending surface of the other isolating component; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer covers all the isolation parts and the loose sleeve; the material of the loose tube is plastic; the protective layer is made of polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke low-halogen flame-retardant composite material; the type of the optical fiber is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b, A1c or A1 d.
An indoor and outdoor dual-purpose communication optical cable is provided with a plurality of isolation components, a plurality of loose tubes, a protective layer and an outer sheath positioned outside the protective layer; the isolating component is characterized by comprising an isolating component body, wherein the isolating component body is formed by sequentially connecting an outer side face, a first bending face, a second bending face, a fourth bending face and a third bending face end to end, the first bending face and the second bending face form a lower side face, the third bending face and the fourth bending face form an upper side face, the outer side face is a part of the surface of a cylinder, the first bending face is sunken towards the upper side face, the second bending face is protruded towards the lower side face, the third bending face is protruded towards the upper side face, the fourth bending face is sunken towards the lower side face, the inner side edge of the isolating component body is a straight line, and reinforcing holes are formed in the isolating component body; the four isolation components are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities, each accommodating cavity is internally provided with a loose tube, and each loose tube is internally provided with a plurality of optical fibers; the loose tube in each accommodating cavity is tangent to the second bending surface of one isolating component, and the loose tube in each gap is tangent to the third bending surface and the third bending surface of the other isolating component; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer covers all the isolation parts and the loose sleeve; the reinforcing part is arranged in the reinforcing hole; the material of the loose tube is plastic; the protective layer is made of polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke low-halogen flame-retardant composite material; the type of the optical fiber is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b, A1c or A1 d; the reinforcing member is made of steel, iron, aluminum, copper or glass fiber reinforced plastic, glass fiber yarn or aramid fiber yarn.
An indoor and outdoor dual-purpose communication optical cable is provided with a plurality of isolation components, a plurality of loose tubes, a protective layer and an outer sheath positioned outside the protective layer; the isolation component is characterized by comprising an isolation component body, wherein the isolation component body is formed by sequentially connecting an outer side surface, a first bending surface, a second bending surface, a fourth bending surface and a third bending surface end to end, the first bending surface and the second bending surface form a lower side surface, the third bending surface and the fourth bending surface form an upper side surface, the outer side surface is a part of the surface of a cylinder, the first bending surface is sunken towards the upper side surface direction, the second bending surface is protruded towards the lower side surface, the third bending surface is protruded towards the upper side surface, the fourth bending surface is sunken towards the lower side surface direction, the inner side edge of the isolation component body is a straight line, a reinforcing hole is formed in the isolation component body, and a tearing opening communicated with the reinforcing hole is formed in the outer side surface; the four isolation components are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities, each accommodating cavity is internally provided with a loose tube, and each loose tube is internally provided with a plurality of optical fibers; the loose tube in each accommodating cavity is tangent to the second bending surface of one isolating component, and the loose tube in each gap is tangent to the third bending surface and the third bending surface of the other isolating component; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer covers all the isolation parts and the loose sleeve; the reinforcing part is arranged in the reinforcing hole; the material of the loose tube is plastic; the protective layer is made of polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke low-halogen flame-retardant composite material; the type of the optical fiber is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b, A1c or A1 d; the reinforcing member is made of steel, iron, aluminum, copper or glass fiber reinforced plastic, glass fiber yarn or aramid fiber yarn.
An indoor and outdoor dual-purpose communication optical cable is provided with a plurality of isolation components, a plurality of loose tubes and a protective layer; the isolation component is characterized by comprising an isolation component body, wherein the isolation component body is formed by sequentially connecting an outer side surface, a first bending surface, a second bending surface, a fourth bending surface and a third bending surface end to end, the first bending surface and the second bending surface form a lower side surface, the third bending surface and the fourth bending surface form an upper side surface, the outer side surface is a part of the surface of a cylinder, the first bending surface is sunken towards the upper side surface direction, the second bending surface is protruded towards the lower side surface, the third bending surface is protruded towards the upper side surface, the fourth bending surface is sunken towards the lower side surface direction, the inner side edge of the isolation component body is a straight line, a reinforcing hole is formed in the isolation component body, and a tearing opening communicated with the reinforcing hole is formed in the outer side surface; the four isolation components are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities, each accommodating cavity is internally provided with a loose tube, and each loose tube is internally provided with a plurality of optical fibers; the loose tube in each accommodating cavity is tangent to the second bending surface of one isolating component, and the loose tube in each gap is tangent to the third bending surface and the third bending surface of the other isolating component; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer covers all the isolation parts and the loose sleeve; the protective layer is internally provided with a reinforcing piece, the protective layer is circumferentially distributed with alignment grooves and positioning grooves at intervals, each alignment groove consists of a ring-column-shaped groove and an open groove, the ring-column-shaped groove is positioned on the inner surface of the protective layer and distributed in a ring-column shape, the open grooves are positioned right above the ring-column-shaped grooves and penetrate through the upper surface of the protective layer, the ring-column-shaped groove is positioned right above the tearing port, the positioning grooves are positioned right above the accommodating cavity, and the accommodating cavity is positioned in the protective layer; the material of the loose tube is plastic; the protective layer is made of polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke low-halogen flame-retardant composite material; the type of the optical fiber is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b, A1c or A1 d; the reinforcing member is made of steel, iron, aluminum, copper or glass fiber reinforced plastic, glass fiber yarn or aramid fiber yarn.
An indoor and outdoor dual-purpose communication optical cable is provided with a plurality of isolation components, a plurality of loose tubes, a protective layer and an outer sheath positioned outside the protective layer; the isolation component is characterized by comprising an isolation component body, wherein the isolation component body is formed by sequentially connecting an outer side surface, a first bending surface, a second bending surface, a fourth bending surface and a third bending surface end to end, the first bending surface and the second bending surface form a lower side surface, the third bending surface and the fourth bending surface form an upper side surface, the outer side surface is a part of the surface of a cylinder, the first bending surface is sunken towards the upper side surface direction, the second bending surface is protruded towards the lower side surface, the third bending surface is protruded towards the upper side surface, the fourth bending surface is sunken towards the lower side surface direction, the inner side edge of the isolation component body is a straight line, a reinforcing hole is formed in the isolation component body, and a tearing opening communicated with the reinforcing hole is formed in the outer side surface; the four isolation components are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities, each accommodating cavity is internally provided with a loose tube, and each loose tube is internally provided with a plurality of optical fibers; the loose tube in each accommodating cavity is tangent to the second bending surface of one isolating component, and the loose tube in each gap is tangent to the third bending surface and the third bending surface of the other isolating component; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer covers all the isolation parts and the loose sleeve; the protective layer is internally provided with a reinforcing piece, the protective layer is circumferentially distributed with alignment grooves and positioning grooves at intervals, each alignment groove consists of a ring-column-shaped groove and an open groove, the ring-column-shaped groove is positioned on the inner surface of the protective layer and distributed in a ring-column shape, the open grooves are positioned right above the ring-column-shaped grooves and penetrate through the upper surface of the protective layer, the ring-column-shaped groove is positioned right above the tearing port, the positioning grooves are positioned right above the accommodating cavity, and the accommodating cavity is positioned in the protective layer; the material of the loose tube is plastic; the protective layer is made of polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke low-halogen flame-retardant composite material; the type of the optical fiber is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b, A1c or A1 d; the reinforcing member is made of steel, iron, aluminum, copper or glass fiber reinforced plastic, glass fiber yarn or aramid fiber yarn.
An indoor and outdoor dual-purpose cable is provided with a plurality of isolation components, a plurality of insulated wires, a protective layer and an outer sheath positioned outside the protective layer; the isolating component is characterized by comprising an isolating component body, wherein the isolating component body is formed by sequentially connecting an outer side surface, a first curved surface, a second curved surface, a fourth curved surface and a third curved surface end to end, the first curved surface and the second curved surface form a lower side surface, the third curved surface and the fourth curved surface form an upper side surface, the outer side surface is a part of the surface of a cylinder, the first curved surface is concave towards the upper side surface direction, the second curved surface is convex towards the lower side surface, the third curved surface is convex towards the upper side surface, the fourth curved surface is concave towards the lower side surface direction, and the inner side edge of the isolating component body is a straight line; the four isolating components are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities, each accommodating cavity is internally provided with an insulated wire, and the insulated wires are wires of which conductors are externally coated with insulating layers; the insulated wire in each accommodating cavity is tangent to the second curved surface of one isolating component, and the insulated wire in each gap is tangent to the third curved surface and the third curved surface of the other isolating component; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer covers all the isolation parts and the insulated conducting wires; the protective layer is made of polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke low-halogen flame-retardant composite material; the isolation element is made of plastic, preferably polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke 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 is provided with a plurality of isolation components, a plurality of insulated wires, a protective layer and an outer sheath positioned outside the protective layer; the isolating component is characterized by comprising an isolating component body, wherein the isolating component body is formed by sequentially connecting an outer side face, a first bending face, a second bending face, a fourth bending face and a third bending face end to end, the first bending face and the second bending face form a lower side face, the third bending face and the fourth bending face form an upper side face, the outer side face is a part of the surface of a cylinder, the first bending face is sunken towards the upper side face, the second bending face is protruded towards the lower side face, the third bending face is protruded towards the upper side face, the fourth bending face is sunken towards the lower side face, the inner side edge of the isolating component body is a straight line, and reinforcing holes are formed in the isolating component body; the four isolating components are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities, each accommodating cavity is internally provided with an insulated wire, and the insulated wires are wires of which conductors are externally coated with insulating layers; the insulated wire in each accommodating cavity is tangent to the second curved surface of one isolating component, and the insulated wire in each gap is tangent to the third curved surface and the third curved surface of the other isolating component; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer covers all the isolation parts and the insulated conducting wires; the reinforcing part is arranged in the reinforcing hole; the protective layer is made of polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke low-halogen flame-retardant composite material; the isolation element is made of plastic, preferably polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke 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 is provided with a plurality of isolation components, a plurality of insulated wires, a protective layer and an outer sheath positioned outside the protective layer; the isolation component is characterized by comprising an isolation component body, wherein the isolation component body is formed by sequentially connecting an outer side surface, a first bending surface, a second bending surface, a fourth bending surface and a third bending surface end to end, the first bending surface and the second bending surface form a lower side surface, the third bending surface and the fourth bending surface form an upper side surface, the outer side surface is a part of the surface of a cylinder, the first bending surface is sunken towards the upper side surface direction, the second bending surface is protruded towards the lower side surface, the third bending surface is protruded towards the upper side surface, the fourth bending surface is sunken towards the lower side surface direction, the inner side edge of the isolation component body is a straight line, a reinforcing hole is formed in the isolation component body, and a tearing opening communicated with the reinforcing hole is formed in the outer side surface; the four isolating components are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities, each accommodating cavity is internally provided with an insulated wire, and the insulated wires are wires of which conductors are externally coated with insulating layers; the insulated wire in each accommodating cavity is tangent to the second curved surface of one isolating component, and the insulated wire in each gap is tangent to the third curved surface and the third curved surface of the other isolating component; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer covers all the isolation parts and the insulated conducting wires; the reinforcing part is arranged in the reinforcing hole; the protective layer is made of polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke low-halogen flame-retardant composite material; the isolation element is made of plastic, preferably polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke 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 is provided with a plurality of isolation components, a plurality of insulated wires and a protective layer; the isolation component is characterized by comprising an isolation component body, wherein the isolation component body is formed by sequentially connecting an outer side surface, a first bending surface, a second bending surface, a fourth bending surface and a third bending surface end to end, the first bending surface and the second bending surface form a lower side surface, the third bending surface and the fourth bending surface form an upper side surface, the outer side surface is a part of the surface of a cylinder, the first bending surface is sunken towards the upper side surface direction, the second bending surface is protruded towards the lower side surface, the third bending surface is protruded towards the upper side surface, the fourth bending surface is sunken towards the lower side surface direction, the inner side edge of the isolation component body is a straight line, a reinforcing hole is formed in the isolation component body, and a tearing opening communicated with the reinforcing hole is formed in the outer side surface; the four isolating components are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities, each accommodating cavity is internally provided with an insulated wire, and the insulated wires are wires of which conductors are externally coated with insulating layers; the insulated wire in each accommodating cavity is tangent to the second curved surface of one isolating component, and the insulated wire in each gap is tangent to the third curved surface and the third curved surface of the other isolating component; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer covers all the isolation parts and the insulated conducting wires; the protective layer is internally provided with a reinforcing piece, the protective layer is circumferentially distributed with alignment grooves and positioning grooves at intervals, each alignment groove consists of a ring-column-shaped groove and an open groove, the ring-column-shaped groove is positioned on the inner surface of the protective layer and distributed in a ring-column shape, the open grooves are positioned right above the ring-column-shaped grooves and penetrate through the upper surface of the protective layer, the ring-column-shaped groove is positioned right above the tearing port, the positioning grooves are positioned right above the accommodating cavity, and the accommodating cavity is positioned in the protective layer; the protective layer is made of polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke low-halogen flame-retardant composite material; the isolation element is made of plastic, preferably polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke 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 is provided with a plurality of isolation components, a plurality of insulated wires, a protective layer and an outer sheath positioned outside the protective layer; the isolation component is characterized by comprising an isolation component body, wherein the isolation component body is formed by sequentially connecting an outer side surface, a first bending surface, a second bending surface, a fourth bending surface and a third bending surface end to end, the first bending surface and the second bending surface form a lower side surface, the third bending surface and the fourth bending surface form an upper side surface, the outer side surface is a part of the surface of a cylinder, the first bending surface is sunken towards the upper side surface direction, the second bending surface is protruded towards the lower side surface, the third bending surface is protruded towards the upper side surface, the fourth bending surface is sunken towards the lower side surface direction, the inner side edge of the isolation component body is a straight line, a reinforcing hole is formed in the isolation component body, and a tearing opening communicated with the reinforcing hole is formed in the outer side surface; the four isolating components are distributed along the circumferential direction with gaps in the same direction, the gaps are called as accommodating cavities, each accommodating cavity is internally provided with an insulated wire, and the insulated wires are wires of which conductors are externally coated with insulating layers; the insulated wire in each accommodating cavity is tangent to the second curved surface of one isolating component, and the insulated wire in each gap is tangent to the third curved surface and the third curved surface of the other isolating component; the inner side edges of all the isolation parts are overlapped, the outer side surfaces of all the isolation parts are on the same cylindrical surface, and the protective layer covers all the isolation parts and the insulated conducting wires; the protective layer is internally provided with a reinforcing piece, the protective layer is circumferentially distributed with alignment grooves and positioning grooves at intervals, each alignment groove consists of a ring-column-shaped groove and an open groove, the ring-column-shaped groove is positioned on the inner surface of the protective layer and distributed in a ring-column shape, the open grooves are positioned right above the ring-column-shaped grooves and penetrate through the upper surface of the protective layer, the ring-column-shaped groove is positioned right above the tearing port, the positioning grooves are positioned right above the accommodating cavity, and the accommodating cavity is positioned in the protective layer; the protective layer is made of polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke low-halogen flame-retardant composite material; the isolation element is made of plastic, preferably polypropylene or polyethylene or a low-smoke halogen-free flame-retardant composite material or a low-smoke low-halogen flame-retardant composite material; the material of the conductor is copper or aluminum or an alloy.