Moisture-proof composite communication cable

Abstract

The invention discloses a moisture-proof composite communication cable which comprises a moisture-proof composite communication cable outer layer, and the moisture-proof composite communication cable outer layer sequentially comprises an outer sheath, a water-blocking tape, an inner sheath, a silica gel supporting framework responsible for internal supporting and water-blocking yarns filled in gaps between internal cables from outside to inside. The interior of the moistureproof composite communication cable is divided into three channels by a silica gel support skeleton, and the three channels are respectively provided with a leaky coaxial cable and two groups of optical cable power line composite cables. The invention provides the moisture-proof composite communication cable which integrates the optical fiber, the power line, the leaky coaxial cable and temperature and humidity detection, is suitable for network communication coverage in environments such as pits and caves, and realizes single-line multifunctional application.

Description

Technical Field

[0001] The present invention relates to the technical field of communication cables, and in particular to a moisture-proof composite communication cable that integrates optical fiber transmission, power supply, leaky coaxial cable signal coverage, and temperature and humidity monitoring functions. Background Art

[0002] Communication cables are the basic carriers of information transmission, used to achieve long-distance transmission of signals, data or electricity, and are widely used in telecommunications, networking, industrial control, energy transmission and other fields.

[0003] Traditional communication cabling requires laying optical fibers, power lines, leaky coaxial cables, and temperature and humidity sensors separately, resulting in complex wiring, high costs, and difficult construction. In addition, the humid environment can easily lead to aging of cable insulation and signal attenuation, affecting equipment reliability. Summary of the Invention

[0004] The present invention provides a moisture-proof composite communication cable to solve the problems raised in the above background technology.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A moisture-proof composite communication cable comprises an outer layer of the moisture-proof composite communication cable, wherein the outer layer of the moisture-proof composite communication cable comprises, from the outside to the inside, an outer sheath, a water-blocking tape, an inner sheath, a silicone support skeleton for internal support, and water-blocking yarn for filling the gaps between the internal cables. The interior of the moisture-proof composite communication cable is divided into three channels by the silicone support skeleton, and the three channels are respectively equipped with a leaky coaxial cable and two groups of optical cable power line composite cables.

[0006] As a further improvement of the present technical solution, the leaky coaxial cable structure comprises, from outside to inside, a leaky coaxial cable outer sheath, a leaky coaxial cable outer conductor, a leaky coaxial cable insulating medium and a leaky coaxial cable inner conductor, and the leaky coaxial cable outer conductor is provided with openings arranged at equal intervals.

[0007] As a further improvement of the present technical solution: the optical cable and power line composite cable comprises, from the outside to the inside, the total outer sheath of the optical cable and power line composite cable, the total tinned copper braided mesh shielding layer of the optical cable and power line composite cable, the total aluminum foil shielding layer of the optical cable and power line composite cable, and the optical cable and power line composite cable water-blocking yarn filling the gaps between the internal cables; the optical cable and power line composite cable is internally configured with an optical cable and two power lines.

[0008] As a further improvement of this technical solution: the optical cable line comprises, from outside to inside, an optical cable outer sheath, an optical cable tinned copper braided mesh shielding layer, an optical cable aluminum foil shielding layer, an optical cable water-blocking yarn, an optical cable loose tube, an optical fiber, and a central reinforcement member.

[0009] As a further improvement of the present technical solution: the power cord comprises, from outside to inside, a power cord outer sheath, a power cord tinned copper braided mesh shielding layer, a power cord aluminum foil shielding layer, a power cord water-blocking yarn, a power cord core insulation layer and a power cord core.

[0010] As a further improvement of the technical solution: the outer sheath is provided with a positioning groove and a temperature and humidity detection belt.

[0011] As a further improvement of the present technical solution: temperature and humidity label installation grooves are arranged at equal intervals on the temperature and humidity detection belt, and temperature and humidity label modules are installed in the temperature and humidity label installation grooves.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention realizes optical fiber transmission, power supply and wireless communication coverage through a single cable, reducing wiring complexity.

[0013] 2. RFID temperature and humidity tag modules are periodically distributed along the cable. These passive tags are powered by electromagnetic waves from the leaky coaxial cable and transmit temperature and humidity signals along the leaky coaxial cable to a remote receiver for signal processing. If a module is damaged, it can be removed using the small grooves on either side of the mounting slot. A new module can be placed and locked onto the raised sections on either side of the mounting slot to complete the replacement.

[0014] 3. The optical cable and power cord adopt a double-layer shielding design to isolate signal interference.

[0015] 4. The outer layer of the cable contains a water-blocking tape layer, and the inside is filled with water-blocking yarn to make the entire cable moisture-proof.

[0016] 5. A silicone support skeleton is used inside the cable, and a structure that combines external support with internal separation is adopted to separate and fix the cables in their respective positions. At the same time, the skeleton is used in conjunction with the outer sheath of the leaky coaxial cable to ensure a fixed radiation direction.

[0017] 6. There are two raised positioning grooves on the outermost sheath of the cable, and the installation direction of the cable can be determined according to the positioning grooves.

[0018] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the description, the following preferred embodiments of the present invention are described in detail with reference to the accompanying drawings. The specific implementation methods of the present invention are given in detail by the following embodiments and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 This is a schematic cross-sectional view of a moisture-proof composite communication cable proposed by the present invention; Figure 2 This is a schematic diagram of the cross-sectional structure of the leaky coaxial cable proposed by the present invention; Figure 3 This is a schematic cross-sectional view of the optical fiber power line composite cable proposed in the present invention; Figure 4 Schematic diagram of the structure of the temperature and humidity detection belt on the surface of the outer sheath in the present invention; Figure 5 This is a schematic diagram of the structure of the temperature and humidity detection belt on the surface of the outer sheath in the present invention.

[0020] In the accompanying drawings, the components represented by the reference numerals are as follows: A1, outer sheath; A2, water-blocking tape; A3, inner sheath; A4, silicone support frame; A5, water-blocking yarn; A6, positioning groove; B, leaky coaxial cable; B1, cable outer sheath; B2, leaky coaxial cable outer conductor; B3, leaky coaxial cable outer conductor; B4, leaky coaxial cable insulation medium; B5, leaky coaxial cable inner conductor; C, optical fiber cable, power supply line composite cable; C1, optical fiber cable, power supply line composite cable overall outer sheath; C2, optical fiber cable, power supply line composite cable overall tinned copper braided mesh shield; C3, optical fiber cable, power supply line composite cable overall aluminum foil shield; C4, optical fiber cable power supply C12, power cord outer sheath; C13, power cord tinned copper braided shield; C14, power cord aluminum foil shield; C15, power cord water-blocking yarn; C16, power cord core insulation; C17, power cord core; D, temperature and humidity detection tape; D1, RFID temperature and humidity tag module; D2, RFID temperature and humidity tag installation slot. DETAILED DESCRIPTION

[0021] The principles and features of the present invention are described below with reference to the accompanying drawings. The examples given are only used to explain the present invention and are not intended to limit the scope of the present invention. The following paragraphs describe the present invention in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in exact proportions. They are only used to facilitate and clearly illustrate the purpose of the embodiments of the present invention.

[0022] See also Figure 1 In an embodiment of the present invention, a moisture-proof composite communication cable includes an outer layer of the moisture-proof composite communication cable. The outer layer of the moisture-proof composite communication cable comprises, from the outside to the inside, an outer sheath A1, a water-blocking tape A2, an inner sheath A3, a silicone support skeleton A4 responsible for internal support, and a water-blocking yarn A5 filling the gaps between internal cables. The interior of the moisture-proof composite communication cable is divided into three channels by the silicone support skeleton A4. The three channels are respectively configured with a leaky coaxial cable B and two groups of optical cable power line composite cables C.

[0023] Among them, the outer sheath A1 is made of PE and plays an overall protective role for the cable; the water-blocking tape A2 is made of polyester non-woven fabric, adhesive, high-speed expansion polymer water-absorbing resin and other materials, and plays a radial waterproof role for the entire cable; the inner sheath A3 is made of PE and plays a separating role; the silicone support skeleton A4 separates the internal wires according to fixed positions, which not only maintains the balance characteristics of the cable but also improves the installation reliability; the water-blocking yarn A5 is a composite of nylon and polyacrylate expanded fiber, which plays a longitudinal waterproof role for the entire cable; the positioning groove A6 can determine the installation direction of the cable.

[0024] See also Figure 2 The structure of the leaky coaxial cable B is composed of a leaky coaxial cable outer sheath B1, a leaky coaxial cable outer conductor B2, a leaky coaxial cable insulating medium B4 and a leaky coaxial cable inner conductor B5 from the outside to the inside. The leaky coaxial cable outer conductor B2 is provided with openings B3 arranged at equal intervals.

[0025] Among them, the outer sheath B1 of the leaky coaxial cable is made of PE and plays an overall protective role for the cable. The angle formed by the two straight edges on the outer sheath fits into the supporting frame to fix the direction of the leaky coaxial cable; the outer conductor B2 of the coaxial cable is made of copper and has periodic openings along the longitudinal direction of the cable, through which electromagnetic radiation is transmitted outward; the periodic openings B3 are the openings of the outer conductor of the coaxial cable; the insulating medium B4 of the leaky coaxial cable is made of low-density polyethylene LDPE and plays an insulating and moisture-proof role; the inner conductor B5 of the leaky coaxial cable is made of copper and is responsible for the longitudinal transmission of the signal.

[0026] See also Figure 3, the optical cable power line composite cable C is composed of the optical cable power line composite cable total outer sheath C1, the optical cable power line composite cable total tinned copper braided mesh shielding layer C2, the optical cable power line composite cable total aluminum foil shielding layer C3, and the optical cable power line composite cable water-blocking yarn C4 filling the gaps between the internal cables. The optical cable power line composite cable C is equipped with one optical cable and two power cords. The optical cable is composed of the optical cable outer sheath C5, the optical cable tinned copper braided mesh shielding layer C6, the optical cable aluminum foil shielding layer C7, the optical cable water-blocking yarn C8, the optical cable loose tube C9, the optical fiber C10, and the central reinforcement member C11. The power cord is composed of the power cord outer sheath C12, the power cord tinned copper braided mesh shielding layer C13, the power cord aluminum foil shielding layer C14, the power cord water-blocking yarn C15, the power cord core insulation layer C16 and the power cord core C17.

[0027] Among them, the total outer sheath C1 of the power cable composite cable is made of PE and plays an overall protective role for the cable; the total tinned copper braided mesh shield C2 of the optical cable power cable composite cable is an anti-interference shield layer, which is matched with the aluminum foil shield layer; The total aluminum foil shielding layer C3 of the optical cable, power cable and composite cable is an anti-interference shielding layer, matched with the tinned copper braided shielding layer; The water-blocking yarn C4 for composite cables of optical cables and power lines is made of nylon and polyacrylate expanded fibers, which provides longitudinal waterproofing for the entire cable. The outer sheath of the optical cable is C5, made of PE, which plays an overall protective role for the optical cable; Cable tinned copper braided shield C6, anti-interference shield, matched with aluminum foil shield; Optical cable aluminum foil shield C7, anti-interference shield, matched with tinned copper braided shield; The optical cable water-blocking yarn C8 is a composite of nylon and polyacrylate expanded fibers, which provides longitudinal waterproofing for the entire cable. The optical cable loose tube C9 is made of polypropylene PP and plays a protective role for the optical fiber; Optical fiber C10, a cable is equipped with a total of 6X12 core optical fibers for signal transmission; The central reinforcement C11 is made of fiber reinforced plastic (FRP) and strengthens the stability of the optical cable. The outer sheath of the power cord is C12, made of PE, which provides overall protection for the power cord; The power cable is made of tinned copper braided mesh shield C13, which is an anti-interference shield and is matched with the aluminum foil shield; Power cable aluminum foil shield C14, anti-interference shield, matched with tinned copper braid shield; The power cord water-blocking yarn C15 is a composite of nylon and polyacrylate expanded fibers, which provides longitudinal waterproofing for the entire cable. The power cord core insulation layer is C16, made of PVC, which plays an insulating role; Power cord core C17, each power cord is equipped with 4X4mm 2 The power cord serves as the power supply.

[0028] Specifically, the outer sheath A1 is provided with a positioning groove A6 and a temperature and humidity detection belt D. The temperature and humidity detection belt D is provided with RFID temperature and humidity tag installation grooves D2 at equal intervals. The RFID temperature and humidity tag installation grooves D2 are installed with RFID temperature and humidity tag modules D1.

[0029] The RFID temperature and humidity tag module D1 is a passive module powered by electromagnetic waves from a leaky coaxial cable. It is responsible for measuring temperature and humidity. There are small grooves on both sides of the module for securing it when it is installed in the mounting slot. The distance between two adjacent modules is 10 meters. RFID temperature and humidity tag installation slot D2 is used to install the RFID temperature and humidity tag module. There is a small groove at each end of the outside of the installation slot to facilitate removal when replacing the module. There are raised parts at both ends of the inner wall of the installation slot to clamp and fix the module.

[0030] The working principle of the present invention is: like Figure 5 As shown, a moisture-proof composite communication cable connects two workstations to transmit signals. The power supply in workstation 1 supplies power to the electrical equipment in workstation 2 through a power cord; the network device 1 in workstation 1 and the network device 2 in workstation 2 establish a network through an optical cable; the base station device in workstation 1 transmits / receives wireless signals to the devices in the space through which the leaky cable passes through the leaky coaxial cable to transmit signals; the RFID temperature and humidity tags on the cable (the number in the figure is for reference only) transmit wireless signals to the RFID signal receiving device, which is then internally integrated and transmitted to the network device 1 in workstation 1 to monitor the temperature and humidity of the space through which the cable passes.

[0031] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in this industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with this profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. A moisture-proof composite communication cable, characterized in that: The invention comprises an outer layer of a moisture-proof composite communication cable, wherein the outer layer of the moisture-proof composite communication cable comprises, from the outside to the inside, an outer sheath (A1), a water-blocking tape (A2), an inner sheath (A3), a silicone support skeleton (A4) for internal support, and a water-blocking yarn (A5) for filling the gaps between the internal cables. The interior of the moisture-proof composite communication cable is divided into three channels by the silicone support skeleton (A4), and the three channels are respectively equipped with a leaky coaxial cable (B) and two groups of optical cable power line composite cables (C).

2. A moisture-proof composite communication cable according to claim 1, characterized in that: The structure of the leaky coaxial cable (B) comprises, from the outside to the inside, a leaky coaxial cable outer sheath (B1), a leaky coaxial cable outer conductor (B2), a leaky coaxial cable insulating medium (B4) and a leaky coaxial cable inner conductor (B5), and openings (B3) arranged at equal intervals are provided on the leaky coaxial cable outer conductor (B2).

3. The moisture-proof composite communication cable according to claim 1, characterized in that: The optical cable and power line composite cable (C) comprises, from the outside to the inside, a total outer sheath (C1) of the optical cable and power line composite cable, a total tinned copper braided mesh shielding layer (C2) of the optical cable and power line composite cable, a total aluminum foil shielding layer (C3) of the optical cable and power line composite cable, and a water-blocking yarn (C4) of the optical cable and power line composite cable filling the gaps between the internal cables. The optical cable and power line composite cable (C) is internally configured with an optical cable and two power lines.

4. A moisture-proof composite communication cable according to claim 3, characterized in that: The optical cable comprises, from outside to inside, an optical cable outer sheath (C5), an optical cable tinned copper braided mesh shielding layer (C6), an optical cable aluminum foil shielding layer (C7), an optical cable water-blocking yarn (C8), an optical cable loose tube (C9), an optical fiber (C10), and a central reinforcement member (C11).

5. The moisture-proof composite communication cable according to claim 3, characterized in that: The power cord comprises, from outside to inside, a power cord outer sheath (C12), a power cord tinned copper braided mesh shielding layer (C13), a power cord aluminum foil shielding layer (C14), a power cord water-blocking yarn (C15), a power cord core insulation layer (C16), and a power cord core (C17).

6. The moisture-proof composite communication cable according to claim 1, characterized in that: The outer sheath (A1) is provided with a positioning groove (A6) and a temperature and humidity detection belt (D).

7. The moisture-proof composite communication cable according to claim 6, characterized in that: RFID temperature and humidity tag installation slots (D2) are arranged at equal intervals on the temperature and humidity detection belt (D), and RFID temperature and humidity tag modules (D1) are installed in the RFID temperature and humidity tag installation slots (D2).

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