High-strength tensile photoelectric composite cable

Abstract

The utility model discloses a high-strength tensile photoelectric composite cable, which comprises a silver-plated copper stranded wire and a tightly-packaged optical fiber, the tightly-packaged optical fiber comprises an optical fiber main body, a wrapping layer is fixedly sleeved outside the optical fiber main body, a primary coating layer is fixedly sleeved outside the wrapping layer, a tightly-sleeved coated layer is fixedly sleeved outside the primary coating layer, and the tightly-sleeved coated layer is fixedly sleeved outside the silver-plated copper stranded wire. A tensile mechanism is arranged outside the silver-plated copper stranded wire, the tensile mechanism comprises a second tensile fiber and a sheath layer, a plurality of groups of soft reinforcing rods are arranged inside the sheath layer, and the soft reinforcing rods are arranged along the length direction of the silver-plated copper stranded wire; through the designed tensile mechanism, when the cable is subjected to high-strength tensile force and impact in use, the tensile performance of the cable can be improved, the reliability and the stability of signal transmission of the cable are improved, the situation that the cable is broken is reduced, and the service life of the cable is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of cables, and in particular relates to a high-strength tensile-resistant photoelectric composite cable. Background Art

[0002] Optoelectronic composite cable is a new type of access method for copper core access network system. It brings together transmission lines and optical fiber lines, and can provide power supply and data transmission to network switching equipment at the same time. Therefore, optoelectronic composite cable is very popular among construction engineering companies. Optoelectronic composite cable is composed of two power supply lines and multiple optical fiber lines. It has good bending performance and lateral pressure resistance, and has small outer diameter, light weight, small space occupation, and convenient construction. It solves the problem of equipment power consumption in network construction, saves wire cost and construction cost, and has higher stability.

[0003] When the optoelectronic composite cable in the prior art is used, the cable is prone to breakage when facing high-intensity tension and impact force. The stability and reliability of the signal transmission of the cable under high-intensity tension and impact affect the use effect of the cable. For this reason, we propose a high-strength tensile-resistant optoelectronic composite cable. Utility Model Content

[0004] The purpose of the utility model is to provide a high-strength tensile-resistant optoelectronic composite cable to solve the problem of the stability and reliability of the signal transmission of the cable under high-strength tensile force and impact, which is raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength tensile-resistant optoelectronic composite cable, comprising a silver-plated copper stranded wire and a tight-buffered optical fiber, the tight-buffered optical fiber comprising an optical fiber body, a cladding is fixedly arranged on the outside of the optical fiber body, a primary coating is fixedly arranged on the outside of the cladding, a tight-buffered coated layer is fixedly arranged on the outside of the primary coating, a tensile-resistant mechanism is arranged on the outside of the silver-plated copper stranded wire, the tensile-resistant mechanism comprises a second tensile-resistant fiber filament and a sheath layer, a plurality of groups of flexible reinforcing rods are arranged inside the sheath layer, the flexible reinforcing rods are arranged along the length direction of the silver-plated copper stranded wire, a plurality of groups of arc strips are evenly and fixedly arranged between the flexible reinforcing rods and along the length direction of the flexible reinforcing rods, and reinforcing ribs are arranged inside the tight-buffered optical fiber.

[0006] Preferably, a buffer layer is fixedly provided on the outside of the silver-plated copper stranded wire, and a rubber sheath is fixedly provided on the outside of the buffer layer.

[0007] Preferably, a filling layer is provided between the buffer layer, the rubber sheath and the tight-packed optical fiber.

[0008] Preferably, the first tensile-resistant fiber is fixedly sheathed on the outer sleeve of the second tensile-resistant fiber, a central strip is fixedly arranged between the two groups of the rubber sheaths and the tight-wrapped optical fibers, and the central strip is arranged along the length direction of the silver-plated copper stranded wire.

[0009] Preferably, the sheath layer is a high temperature resistant fluoroplastic sheath, the filling layer is a polyethylene cotton filler, and the buffer layer is a semi-conductive non-woven fiber cloth.

[0010] Preferably, a fire-resistant and flame-retardant layer is filled between the outer wall of the first tensile-resistant fiber filament and the inner wall of the sheath layer, and the fire-resistant and flame-retardant layer is a flame-retardant soft polyvinyl chloride sheath.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model has a designed tensile mechanism, which can increase the tensile strength of the cable when the cable is subjected to high-intensity tension and impact during use, improve the reliability and stability of the cable's signal transmission, reduce the occurrence of cable breakage, and increase the service life of the cable.

[0013] (2) The fire-resistant and flame-retardant layer designed in the utility model has the characteristics of high temperature resistance and flame retardancy when a fire occurs during use, which can effectively reduce the spread of fire and reduce personal injury and property loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the sheath layer structure of the utility model;

[0016] In the figure: 100, silver-plated copper stranded wire; 101, tight-buffered optical fiber; 102, optical fiber body; 103, tight-buffered coated layer; 104, primary coating layer; 105, cladding; 200, sheath layer; 201, arc strip; 202, filling layer; 203, first tensile-resistant fiber filament; 204, second tensile-resistant fiber filament; 205, central strip; 206, reinforcing rib; 207, buffer layer; 208, rubber sheath; 209, soft reinforcing rod; 300, fire-resistant and flame-retardant layer. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example 1

[0019] See also Figure 1 and Figure 2 The utility model provides a technical solution: a high-strength tensile-resistant optoelectronic composite cable, which realizes optoelectronic composite by combining a silver-plated copper stranded wire 100 and an optical fiber main body 102 on a cable, including a silver-plated copper stranded wire 100 and a tight-wrapped optical fiber 101, the tight-wrapped optical fiber 101 including an optical fiber main body 102, a cladding 105 is fixedly arranged on the outer sleeve of the optical fiber main body 102, the cladding 105 is high-purity silica, a primary coating layer 104 is fixedly arranged on the outer sleeve of the cladding 105, a tight-wrapped coated layer 103 is fixedly arranged on the outer sleeve of the primary coating layer 104, both the primary coating layer 104 and the tight-wrapped coated layer 103 are acrylic resins, and a tensile-resistant mechanism is arranged on the outer side of the silver-plated copper stranded wire 100, and the tensile-resistant mechanism includes The second tensile-resistant fiber filament 204 and the sheath layer 200, the second tensile-resistant fiber filament 204 and the first tensile-resistant fiber filament 203 are woven from PBO fiber filaments, and have a tensile strength of 5.8GPa and a breaking strength of 7.5kg, which are international high-end products. The breaking load is about 11 times that of the traditional nickel-plated copper wire, and has an EMI electromagnetic shielding performance equivalent to that of metal. A plurality of groups of soft reinforcing rods 209 are arranged inside the sheath layer 200, and the soft reinforcing rods 209 are arranged along the length direction of the silver-plated copper stranded wire 100. A plurality of groups of arc strips 201 are evenly and fixedly arranged between the soft reinforcing rods 209 and along the length direction of the soft reinforcing rods 209, and reinforcing ribs 206 are arranged inside the tight-wrapped optical fiber 101;

[0020] A buffer layer 207 is fixedly disposed on the outside of the silver-plated copper stranded wire 100, and a rubber sheath 208 is fixedly disposed on the outside of the buffer layer 207;

[0021] A filling layer 202 is provided between the buffer layer 207, the rubber sheath 208 and the tight-wrapped optical fiber 101;

[0022] The first tensile-resistant fiber 203 is fixedly sheathed on the outer sleeve of the second tensile-resistant fiber 204, and the second tensile-resistant fiber 204 and the first tensile-resistant fiber 203 have tensile resistance. A central strip 205 is fixedly arranged between the two groups of rubber sheaths 208 and the tight-wrapped optical fiber 101, and the central strip 205 is arranged along the length direction of the silver-plated copper stranded wire 100;

[0023] The sheath layer 200 is a high temperature resistant fluoroplastic sheath, the filling layer 202 is a polyethylene cotton filling material, and the buffer layer 207 is a semi-conductive non-woven fiber cloth.

[0024] The utility model adopts the designed tensile mechanism to increase the tensile performance of the cable when the cable is subjected to high-intensity pulling force and impact during use, improve the reliability and stability of the cable's signal transmission, reduce the occurrence of cable breakage, and increase the service life of the cable.

[0025] Example 2

[0026] Based on Example 1, please refer to Figure 1 and Figure 2 A fire-resistant flame-retardant layer 300 is filled between the outer wall of the first tensile-resistant fiber filament 203 and the inner wall of the sheath layer 200. The fire-resistant flame-retardant layer 300 has the characteristics of high temperature resistance and flame retardancy. The fire-resistant flame-retardant layer 300 is a flame-retardant soft polyvinyl chloride sheath.

[0027] The fire-resistant and flame-retardant layer 300 designed in the utility model has the characteristics of high temperature resistance and flame resistance when a fire occurs during use, which can effectively reduce the spread of fire and reduce personal injury and property loss.

[0028] The working principle and use process of this utility model:

[0029] When the utility model is in use, when the cable is subjected to high-strength pulling force or impact force, the arc strip 201, the soft reinforcing rod 209, the first tensile-resistant fiber filament 203, the second tensile-resistant fiber filament 204, the central strip 205 and the reinforcing rib 206 can enhance the strength and tensile resistance of the silver-plated copper strand 100 and the tight-wrapped optical fiber 101, so that the cable is not easy to break when subjected to high-strength pulling force or impact force, thereby improving the service life of the cable;

[0030] Through the fire-resistant and flame-retardant layer 300, when a fire occurs during use, the fire-resistant and flame-retardant layer 300 inside the cable has the characteristics of high temperature resistance and flame retardancy, which can effectively reduce the spread of fire and reduce personal injury and property loss.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-strength tensile-resistant optoelectronic composite cable, comprising a silver-plated copper strand (100) and a tight-buffered optical fiber (101), wherein the tight-buffered optical fiber (101) comprises an optical fiber body (102), wherein a cladding (105) is fixedly sheathed outside the optical fiber body (102), wherein a primary coating layer (104) is fixedly sheathed outside the cladding (105), and wherein a tight-buffered coating layer (103) is fixedly sheathed outside the primary coating layer (104), wherein: The silver-plated copper stranded wire (100) is provided with a tensile resistance mechanism on the outside, the tensile resistance mechanism comprises a second tensile resistance fiber (204) and a sheath layer (200), a plurality of groups of soft reinforcing rods (209) are provided inside the sheath layer (200), the soft reinforcing rods (209) are provided along the length direction of the silver-plated copper stranded wire (100), a plurality of groups of arc strips (201) are evenly and fixedly provided between the soft reinforcing rods (209) and along the length direction of the soft reinforcing rods (209), and a reinforcing rib (206) is provided inside the tight-buffered optical fiber (101).

2. The high-strength tensile-resistant optoelectronic composite cable according to claim 1, characterized in that: A buffer layer (207) is fixedly provided on the outside of the silver-plated copper stranded wire (100), and a rubber sheath (208) is fixedly provided on the outside of the buffer layer (207).

3. The high-strength tensile-resistant optoelectronic composite cable according to claim 2 is characterized in that: A filling layer (202) is provided between the buffer layer (207), the rubber sheath (208) and the tight-packed optical fiber (101).

4. The high-strength tensile-resistant optoelectronic composite cable according to claim 3 is characterized in that: The first tensile-resistant fiber (203) is fixedly sheathed on the outer portion of the second tensile-resistant fiber (204), and a central strip (205) is fixedly arranged between the two groups of rubber sheaths (208) and the tight-wrapped optical fiber (101), and the central strip (205) is arranged along the length direction of the silver-plated copper stranded wire (100).

5. The high-strength tensile-resistant optoelectronic composite cable according to claim 4 is characterized in that: A fire-resistant and flame-retardant layer (300) is filled between the outer wall of the first tensile-resistant fiber filament (203) and the inner wall of the sheath layer (200).

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