CN217061585U

CN217061585U - Composite communication cable

Info

Publication number: CN217061585U
Application number: CN202220476355.8U
Authority: CN
Inventors: 王文宏
Original assignee: Ningbo Lianda Electronic Equipment Co ltd
Current assignee: Ningbo Lianda Electronic Equipment Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-07-26
Anticipated expiration: 2032-03-04

Abstract

The present disclosure provides a composite communication cable, including a signal transmission cable assembly and an optical cable assembly, the signal transmission cable assembly includes a protection layer and a plurality of sets of wire pairs arranged in the protection layer, the optical cable assembly includes a fiber core and a coating layer coated on the periphery of the fiber core; wherein, the protective layer is connected with the coating layer through a connecting part. The composite communication cable can meet the requirement of signal transmission of a communication network and can also meet the requirement that optical fiber signals directly enter a home; the signal transmission cable assembly is connected with the optical cable assembly through the connecting part, so that the signal transmission cable assembly and the optical cable assembly are easy to peel off, and the signal transmission cable assembly is convenient to be connected with equipment and the optical cable assembly is convenient to be connected with the optical connector box.

Description

Composite communication cable

Technical Field

The present disclosure relates to the field of cable technology, and more particularly, to a composite communication cable.

Background

Common broadband access methods include Fiber To The Building (FTTB), Fiber To The Home (FTTH), Local Area Network access (LAN), and The like.

Fiber To The Building (Fiber To The Building, abbreviated as FTTB) is To use digital broadband technology To access optical signals To a terminal box of an office Building or an apartment Building To realize The access of optical signals. For example, a building builds 200 million wide bands, and if only one user is in the building, the user can be divided into 200 million wide bands for use; if there are five users in the building, the five users can be divided into 40 million broadband uses. As users in a building share optical fiber signals, the bandwidth allocated to each user drops sharply as the number of users increases.

Fiber To The Home (Fiber To The Home, FTTH for short) generally sets up a total optical path terminal in The computer lab, and then connects To The broadband box Fiber dividing frame of The corridor through The optical splitter or The optical distribution network of different proportions, then inserts into The user's Home through The rubber-insulated-wire optical Fiber, still disposes The optical modem in The user's Home for insert The signal To The user's computer through The net twine, because The multistage inserts, it is comparatively inconvenient.

Local Area Network access (LAN) generally places an optical fiber transceiver in a machine room, the middle of which is connected by an optical cable, and places an optical fiber transceiver and an exchanger in a broadband box of a corridor for accessing signals to a computer Network card of a user through a Network cable. Due to the multi-section access, the use is inconvenient. Therefore, none of the communication cables used in the conventional broadband access method can satisfy the functions of both optical fiber access and network signal transmission.

SUMMERY OF THE UTILITY MODEL

The present disclosure provides a composite communication cable to at least solve the above technical problems existing in the prior art.

A composite communication cable according to the present disclosure includes a signal transmission cable assembly including a protective layer and a plurality of sets of wire pairs disposed within the protective layer; the optical cable assembly comprises a fiber core and a coating layer coated on the periphery of the fiber core; wherein the protective layer is connected with the coating layer through a connecting part.

In one embodiment, the connecting portion includes a first connecting portion, a second connecting portion and a reinforcing layer covering the outer periphery of the covering layer, the first connecting portion is covered on the outer periphery of the covering layer, the second connecting portion is covered on the outer periphery of the reinforcing layer, and the first connecting portion is connected to the second connecting portion.

In one embodiment, the first connecting portion and the second connecting portion have an overlapping portion at the connecting portion.

In an embodiment, the connecting portion further includes a suspension portion, the first connecting portion and the second connecting portion are connected by the suspension portion, and a line connecting a center of the first connecting portion and a center of the second connecting portion and a center line of the suspension portion are in the same straight line.

In an embodiment, the connecting portion includes a suspension wire portion and a reinforcing layer sleeved on the outer periphery of the covering layer, the protective layer and the reinforcing layer are in line contact to form a line contact portion, and the suspension wire portion covers the outside of the line contact portion.

In an embodiment, the connecting portion includes a suspension wire portion and a reinforcing layer sleeved on the outer periphery of the covering layer, a gap exists between the protective layer and the reinforcing layer, and the gap is filled by the suspension wire portion to connect the protective layer and the reinforcing layer.

In an embodiment, the connecting portion includes a first connecting portion sleeved on the periphery of the protective layer and a second connecting portion sleeved on the periphery of the covering layer, and the first connecting portion is connected with the second connecting portion.

In one embodiment, the line contact between the protection layer and the cladding layer forms a line contact portion, and the connection portion is wrapped outside the line contact portion.

In one embodiment, a gap exists between the protection layer and the cladding layer, and the gap is filled by the connection portion to connect the protection layer and the cladding layer.

In an embodiment, the reinforcing layer includes a sheath layer disposed inside the second connecting portion and a reinforcing member disposed between the sheath layer and the coating layer.

In the disclosure, signal transmission of a communication network can be realized through a signal transmission cable assembly, so that data is accessed into equipment of a user; the fiber core is arranged in the center of the optical cable assembly, so that the optical fiber signal can be transmitted through the optical cable assembly; therefore, the composite communication cable can meet the requirement of signal transmission of a communication network and can also meet the requirement that optical fiber signals directly enter the home. Furthermore, the protective layer of the signal transmission cable assembly is connected with the coating layer of the optical cable assembly through the connecting part, so that the signal transmission cable assembly and the optical cable assembly are easy to peel off, and the signal transmission cable assembly is convenient to be connected with equipment and the optical cable assembly is convenient to be connected with the optical connector box.

It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present disclosure, nor do they limit the scope of the present disclosure. Other features of the present disclosure will become apparent from the following description.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:

in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

Fig. 1 shows a schematic cross-sectional view of a composite communications cable according to an exemplary embodiment of the present disclosure (the connection portion includes a reinforcing layer and an overlap portion);

fig. 2 shows a cross-sectional schematic view of a composite communications cable according to an exemplary embodiment of the present disclosure (the connection portion includes a reinforcement layer and a messenger portion);

fig. 3 shows a cross-sectional schematic view of a composite communications cable (the connection portion includes a reinforcement layer) according to one exemplary embodiment of the present disclosure;

fig. 4 shows a cross-sectional schematic view of a composite communications cable according to one exemplary embodiment of the present disclosure (the connection portion does not include a reinforcement layer);

fig. 5 shows a schematic cross-sectional view of a composite communication cable according to an exemplary embodiment of the present disclosure (protective layer directly connected to the covering).

The reference numbers in the figures illustrate: 1. a signal transmission cable assembly; 2. an optical cable assembly; 3. a connecting portion; 11. a protective layer; 12. wire pair; 13. tearing the rope; 21. a fiber core; 22. a coating layer; 23. a reinforcing layer; 31. a first connection portion; 32. a second connecting portion; 33. a wire hanging part; 121. a twisted pair; 221. a cladding layer; 222. a coating layer; 223. an outer coating layer; 231. a sheath layer; 232. a reinforcement; 312. an overlapping portion.

Detailed Description

In order to make the objects, features and advantages of the present disclosure more apparent and understandable, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

Embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, a composite communication cable according to an exemplary embodiment of the present disclosure includes a signal transmission cable assembly 1 and an optical cable assembly 2, where the signal transmission cable assembly 1 includes a protective layer 11 and a plurality of sets of pairs 12 (in the illustrated embodiment of the present disclosure, the number of sets of pairs 12 is four, for example) disposed in the protective layer 11, each set of pairs 12 includes a twisted pair 121 formed by twisting two single wires and a shielding layer covering the periphery of the twisted pair 121, and each single wire includes a copper conductor and an insulating layer disposed on the copper conductor; the optical cable assembly 2 includes a core 21 and a cladding 22 covering the periphery of the core 21, and the cladding 22 includes a cladding 221, a coating layer 222 and an outer coating layer 223 in sequence from the core 21 to the outside. Wherein the protective layer 11 of the signal transmission cable assembly 1 is connected with the coating layer 22 of the optical cable assembly 2 through the connection portion 3, i.e., the protective layer 11 and the outer coating layer 223 are connected through the connection portion 3.

In the present embodiment, the core 21 is located at the central portion of the optical cable assembly 2, and the core 21 having a diameter of 4 μm to 50 μm and mainly composed of high purity silica is generally used, and a very small amount of dopant such as germanium dioxide, phosphorus pentoxide, etc. is further doped therein to increase the refractive index of the core 21 to light, thereby achieving a better function of transmitting optical signals. The cladding 221 is a high-purity silica layer having a diameter of 125 μm (it should be understood that, in the cross section of the optical cable assembly 2, the cladding 221 is in a circular ring shape concentric with the core 21, the diameter of the cladding 221 refers to the maximum diameter of the circular ring concentric with the core 21, and the 125 μm here is not absolute 125 μm and may be slightly deviated within a specified tolerance), and a dopant such as boron oxide is further doped in an extremely small amount to suitably reduce the refractive index of the cladding 221 with respect to light, so that the refractive index of the cladding 221 with respect to light is slightly lower than that of the core 21 with respect to light, and thus the optical signal is transmitted in the core 21 in a closed manner. The coating layer 222 is made of acrylate, organic silicon or silicon rubber and the like, the outer coating layer 223 is made of polypropylene or nylon and the like, the two layers of coating materials of the coating layer 222 and the outer coating layer 223 are arranged to protect the fiber core 21 from being corroded by water vapor and being scratched mechanically, the overall mechanical strength and bending strength of the optical cable assembly 2 are improved, the service life of a product can be prolonged, and the use effect and the structural stability of the composite communication cable can be guaranteed.

The protective layer 11 of the signal transmission cable assembly 1 may be made of any of a variety of materials, including but not limited to polyvinyl chloride, polyethylene, glass fiber reinforced plastic, low smoke and zero halogen, polyurethane, and thermoplastic polyurethane, to protect the internal structure of the signal transmission cable assembly 1. The insulating layer of the single wire may be made of polyethylene or other materials capable of producing an insulating effect in actual production, and is not limited herein. The shielding layer coated on the periphery of the twisted pair 121 can well resist external electromagnetic interference, and can control electromagnetic wave radiation of the twisted pair, so that normal work of other surrounding equipment and networks cannot be interfered.

It is understood that the signal transmission of the communication network is enabled through the signal transmission cable assembly 1 in the present disclosure, so that data is accessed to the device of the user; since the center of the optical cable assembly 2 is provided with the fiber core 21, the transmission of optical fiber signals can be realized through the optical cable assembly 2; the protective layer 11 of the signal transmission cable assembly 1 is connected with the coating layer 22 of the optical cable assembly 2 through the connecting part 3, so that the signal transmission cable assembly 1 and the optical cable assembly 2 are combined together, the signal transmission requirement of a communication network can be met, an optical fiber signal can directly enter a home, the signal transmission cable assembly 1 and the optical cable assembly 2 are easy to peel off, and the signal transmission cable assembly 1 is convenient to be connected with equipment and the optical cable assembly 2 is convenient to be connected with an optical connector box.

In one embodiment, the connecting portion 3 includes a first connecting portion 31, a second connecting portion 32 and a reinforcing layer 23 covering the outer periphery of the covering layer 22, the first connecting portion 31 is disposed on the outer periphery of the protective layer 11 of the signal transmission cable assembly 1, the second connecting portion 32 is disposed on the outer periphery of the reinforcing layer 23, and the first connecting portion 31 is connected to the second connecting portion 32. The first connection portion 31 and the second connection portion 32 have an overlapping portion 312 at a connection portion (see fig. 1).

In this embodiment, the stability of the internal structure of the optical cable assembly 2 is further increased by providing the reinforcing layer 23. The first connecting portion 31 and the second connecting portion 32 are made of the same material, and a plurality of materials can be selected, including but not limited to at least one of polyvinyl chloride, polyethylene, glass fiber reinforced plastic material, low smoke and zero halogen material, polyurethane and thermoplastic polyurethane. First connecting portion 31 and second connecting portion 32 are integrated into one piece, in process of production, adopt on the sheath machine with first connecting portion 31 and the same mould extrusion moulding of second connecting portion 32 appearance can, reduced operating procedure, improved production efficiency greatly. Set up connecting portion 3 and increased compound communication cable's prevent wind, rain-proof and ageing resistance performance, not only can prolong the life of product, can also guarantee compound communication cable's result of use and the stability of structure, effectively solved the unable problem of using in the open air of ordinary net twine.

Referring to fig. 2, in an embodiment, the connecting portion 3 includes a first connecting portion 31, a second connecting portion 32, a hanging portion 33 and a reinforcing layer 23 covering the outer periphery of the covering layer 22, the first connecting portion 31 covers the outer periphery of the protective layer 11 of the signal transmission cable assembly 1, the second connecting portion 32 covers the outer periphery of the reinforcing layer 23, the first connecting portion 31 and the second connecting portion 32 are connected by the hanging portion 33, and a connecting line between the center of the first connecting portion 31 and the center of the second connecting portion 32 is located on the same straight line with a center line of the hanging portion 33.

In this embodiment, the stability of the internal structure of the cable assembly 2 is further increased by providing the reinforcing layer 23. First connecting portion 31, second connecting portion 32 and hang line portion 33 and adopt the same material, and have multiple material to choose for use, including but not limited to at least one material in polyvinyl chloride, polyethylene, glass fiber reinforced plastic material, low smoke and zero halogen material, polyurethane and the thermoplastic polyurethane and make, preferred adoption low smoke and zero halogen material in this disclosure to effectively reduce the production of the poisonous and harmful substance when the conflagration takes place, ensure user's life safety. Wherein the suspension wire portion 33 can be connected between the first connecting portion 31 and the second connecting portion 32 by glue, that is, the suspension wire portion 33 is connected to the first connecting portion 31 and the second sheath connecting portion 3 by gluing (not shown in the figure); alternatively, the first connecting portion 31, the second connecting portion 32 and the hanging wire portion 33 are preferably integrally formed. In the production process, the sheathing machine is extruded and molded by a mold with the same shape as the first connecting part 31, the second connecting part 32 and the hanging wire part 33, so that the operation steps are reduced, the production efficiency is greatly improved, and the structure is stable. Set up connecting portion 3 and increased compound communication cable's prevent wind, rain-proof and ageing resistance performance, not only can prolong the life of product, can also guarantee compound communication cable's result of use and the stability of structure, effectively solved the unable problem of using in the outdoor of ordinary net twine. The connecting portion 3 is provided with a suspending portion 33, which increases the distance between the signal transmission cable assembly 1 and the optical cable assembly 2, facilitates the peeling-off between the two, and facilitates the connection of the signal transmission cable assembly 1 with equipment and the connection of the optical cable assembly 2 with an optical connector box.

In one embodiment, the connecting portion 3 includes a hanging portion 33 and a reinforcing layer 23 covering the outer periphery of the covering layer 22, the protective layer 11 of the signal transmission cable assembly 1 and the reinforcing layer 23 of the connecting portion 3 are in line contact to form a line contact portion, and the hanging portion 33 covers the outside of the line contact portion. It will be appreciated that there may also be a gap between the protective layer 11 of the signal transmission cable assembly 1 and the reinforcement layer 23 of the connection portion 3, and the gap is filled by the messenger portion 33 to connect the protective layer 11 with the reinforcement layer 23.

Referring to fig. 3, preferably, the suspension wire portion 33, the protective layer 11 and the reinforcing layer 23 are made of the same material, and there are a plurality of materials that can be selected, including but not limited to at least one of polyvinyl chloride, polyethylene, glass fiber reinforced plastic material, low smoke zero halogen material, polyurethane and thermoplastic polyurethane, and the suspension wire portion 33, the protective layer 11 and the reinforcing layer 23 are integrally formed. The composite communication cable is made of the same materials, so that the structure of the composite communication cable is uniform and stable, the integral forming mode is adopted, and in the production process, the sheath machine is extruded and formed by a die with the same appearance as the hanging wire part 33, the protective layer 11 and the reinforcing layer 23, so that the operation steps are reduced, the production efficiency is greatly improved, and the stable structure can be ensured. In an embodiment not shown, the suspension wire portion 33, the protection layer 11 and the reinforcement layer may be made of different materials according to specific application scenarios, for example, the reinforcement layer 23 may be polyvinyl chloride for environmental protection and flame retardation, low smoke halogen-free flame retardant polyolefin for environmental protection, or environmental protection polyurethane. The suspending line portion 33 may be bonded between the protective layer 11 and the reinforcing layer 23, that is, the suspending line portion 33 is bonded to the protective layer 11 and the reinforcing layer 23 by an adhesive.

Referring to fig. 4, in an embodiment, the connection portion 3 includes a first connection portion 31 disposed on the outer periphery of the protection layer 11 of the signal transmission cable assembly 1, and a second connection portion 32 disposed directly on the outer periphery of the covering layer 22, wherein the first connection portion 31 is connected to the second connection portion 32. It is understood that the first connection portion 31 and the second connection portion 32 have an overlapping portion 312 at the connection; alternatively, the connecting portion 3 further includes a hanging portion 33, the first connecting portion 31 and the second connecting portion 32 are connected by the hanging portion 33, and a line connecting the center of the first connecting portion 31 and the center of the second connecting portion 32 is aligned with the center line of the hanging portion 33 (not shown). The materials and connection modes used by the parts of the connecting part 3 refer to the above, and are not described herein again.

Referring to fig. 5, in an embodiment, a line contact between the protective layer 11 of the signal transmission cable assembly 1 and the covering layer 22 of the optical cable assembly 2 forms a line contact portion, and the connection portion 3 is covered outside the line contact portion; alternatively, a gap exists between the protective layer 11 of the signal transmission cable assembly 1 and the covering layer 22 of the optical cable assembly 2, and the gap is filled by the connection portion 3 to connect the protective layer 11 and the covering layer 22. It is understood that the materials used for the connection portion 3 and the connection manner with the protection layer 11 and the covering layer 22 are as described above, and therefore, detailed description thereof is omitted.

Referring to fig. 1, in one possible embodiment, the reinforcing layer 23 includes a jacket layer 231 disposed inside the second connection portion 32, and a reinforcing member 232 disposed between the cover 22 and the jacket layer 231.

In this embodiment, an aramid yarn may be specifically used as the reinforcement 232 to improve the insulation and mechanical strength of the optical cable assembly 2, and the sheath layer 231 may be made of a plurality of materials, including but not limited to at least one of polyvinyl chloride, polyethylene, glass fiber reinforced plastic material, low smoke zero halogen material, polyurethane, and thermoplastic polyurethane, according to specific application.

In any of the above embodiments, the signal transmission cable assembly 1 includes at least one tear string 13, and the tear string 13 is disposed inside the protective layer 11. Tear rope 13 and have fire prevention flame retardant material's composition, set up and tear rope 13 and not only can increase the tensile strength of signal transmission cable subassembly 1 to increase the holistic tensile strength of composite communication cable, and can absorb the heat that gives off at composite communication cable in the use, can also make things convenient for the constructor to peel off protective layer 11 when the construction. The tearing rope 13 is arranged on the inner side of the protective layer 11 and is not exposed, so that the protective layer 11 is prevented from being torn apart by misoperation when the tearing rope 13 is not needed to be used. When the protective layer 11 needs to be peeled, the protective layer 11 is first cut to expose the tear string 13, and then the tear string 13 is pulled to peel the protective layer 11.

In an embodiment not shown, the center of the signal transmission cable assembly 1 may also be provided with a strength member. The reinforcing member can be made of metal materials such as high-strength phosphated steel wires and other non-hydrogen-evolution materials; or with non-metallic materials such as fibre reinforced composites. In addition, the reinforcing member may also be a cross frame, the cross frame forms four regions inside the signal transmission cable assembly 1, and the plurality of pairs 12 are separately arranged in the four regions, so that the composite communication cable can be applied to not only a hundred-million network but also a gigabit network. The cross-shaped framework is made of a plurality of materials which can be selected and selected, and the cross-shaped framework is made of at least one material of polyvinyl chloride, polyethylene, glass fiber reinforced plastic materials, low-smoke halogen-free materials, polyurethane and thermoplastic polyurethane. The reinforcing member is provided to support the internal structure of the signal transmission cable assembly 1, ensuring the structural stability of the whole.

In the description of the present disclosure, it is to be understood that the orientation or positional relationship indicated by the orientation terms is generally based on the orientation or positional relationship shown in the drawings, and is for convenience only to facilitate the description of the present disclosure and to simplify the description, and in the case of not having been stated to the contrary, these orientation terms are not intended to indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be taken as limiting the scope of the present disclosure; the terms "inner" and "outer" refer to the interior and exterior relative to the contours of the components themselves.

Spatially relative terms, such as "above … …", "above … …", "above … …", "above", and the like, may be used herein for ease of description to describe the spatial relationship of one or more components or features to other components or features as illustrated in the figures. It is understood that the spatially relative terms are intended to encompass not only the orientation of the component as depicted in the figures, but also different orientations in use or operation. For example, if an element in the figures is turned over in its entirety, elements "above" or "over" other elements or features would include elements "below" or "beneath" other elements or features. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". Further, these components or features may also be oriented at 0 at various other angles (e.g., rotated 90 degrees or at other angles), all of which are intended to be encompassed herein.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, elements, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the disclosure described herein are capable of operation in other sequences than those illustrated or described herein.

The present disclosure has been illustrated by the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the present disclosure to the scope of the described embodiments. Further, it will be understood by those skilled in the art that the present disclosure is not limited to the above embodiments, and that many variations and modifications may be made in accordance with the teachings of the present disclosure, all of which fall within the scope of the present disclosure as claimed. The scope of the disclosure is defined by the appended claims and equivalents thereof.

Claims

1. A composite communications cable, comprising:

a signal transmission cable assembly (1), the signal transmission cable assembly (1) comprising a protective layer (11) and a plurality of sets of wire pairs (12) disposed within the protective layer (11); and

the optical cable component (2), the optical cable component (2) includes a fiber core (21) and a coating layer (22) coated on the periphery of the fiber core (21);

wherein the protective layer (11) is connected with the cladding layer (22) through a connecting part (3).

2. The composite communication cable according to claim 1, wherein the connecting portion (3) comprises a first connecting portion (31), a second connecting portion (32) and a reinforcing layer (23) sleeved on the outer periphery of the covering layer (22), the first connecting portion (31) is sleeved on the outer periphery of the protective layer (11), the second connecting portion (32) is sleeved on the outer periphery of the reinforcing layer (23), and the first connecting portion (31) is connected with the second connecting portion (32).

3. The composite communication cable according to claim 2, wherein the first connection portion (31) and the second connection portion (32) have an overlap (312) at the connection.

4. The composite communication cable according to claim 2, wherein the connection portion (3) further comprises a hanging portion (33), the first connection portion (31) and the second connection portion (32) are connected by the hanging portion (33), and a line connecting the center of the first connection portion (31) and the center of the second connection portion (32) and a center line of the hanging portion (33) are in the same straight line.

5. The composite communication cable according to claim 1, wherein the connecting portion (3) comprises a hanging wire portion (33) and a reinforcing layer (23) sleeved on the outer periphery of the covering layer (22), the protective layer (11) and the reinforcing layer (23) are in line contact to form a line contact portion, and the hanging wire portion (33) covers the outside of the line contact portion.

6. The composite communication cable according to claim 1, wherein the connecting portion (3) comprises a hanging portion (33) and a reinforcing layer (23) sleeved on the outer periphery of the covering layer (22), a gap exists between the protective layer (11) and the reinforcing layer (23), and the gap is filled by the hanging portion (33) to connect the protective layer (11) and the reinforcing layer (23).

7. The composite communication cable according to claim 1, wherein the connection portion (3) comprises a first connection portion (31) fitted around the outer periphery of the protective layer (11) and a second connection portion (32) fitted around the outer periphery of the covering layer (22), the first connection portion (31) being connected to the second connection portion (32).

8. The composite communication cable according to claim 1, wherein the line contact between the protective layer (11) and the covering layer (22) forms a line contact portion, the connection portion (3) being covered outside the line contact portion.

9. Composite communication cable according to claim 1, characterized in that a gap is present between the protective layer (11) and the covering layer (22), and the gap is filled by the connection portion (3) to connect the protective layer (11) with the covering layer (22).

10. The composite communication cable of claim 2 wherein the reinforcement layer (23) comprises a jacket layer (231) disposed inside the second connecting portion (32) and a strength member (232) disposed between the cladding layer (22) and the jacket layer (231).