High-strength collision-resistant communication optical cable

Abstract

The utility model discloses a high-strength collision-resistant communication optical cable which comprises optical fibers and a protective sleeve, an anti-collision frame is arranged between the optical fibers and the protective sleeve, the end face of the protective sleeve is provided with an anti-collision sleeve, an anti-collision frame reinforcing rib and a supporting rib, the supporting rib is fixedly installed on the side end face of the reinforcing rib, and the optical fibers and the supporting rib are alternately and circumferentially arrayed on the outer side of the reinforcing rib. A filling layer is arranged in a gap between the anti-collision frame and the protective sleeve, a puncture-resistant layer is arranged on the outer side of the anti-collision sleeve, and a corrosion-resistant layer is arranged on the outer side of the puncture-resistant layer. According to the utility model, the anti-collision frame is arranged between the optical fiber and the protective sleeve, physical isolation is provided for the optical fiber due to the existence of the anti-collision frame, and the optical fiber is prevented from directly contacting with the protective sleeve or other hard parts when being subjected to external impact, extrusion or vibration, so that the optical fiber damage caused by direct collision is effectively prevented; and the side surfaces of the supporting ribs are provided with certain axial intervals, so that the optical fiber can be bent, and the installation and laying of the optical cable are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of communication optical cables, and specifically relates to a high-strength and impact-resistant communication optical cable. Background Art

[0002] An optical cable is manufactured to meet the performance specifications of optics, mechanics or environment. It is a communication cable assembly that uses one or more optical fibers placed in a coated sheath as a transmission medium and can be used alone or in groups. The optical cable mainly consists of optical fibers, plastic protective sleeves, metal strengthening members and plastic outer skins.

[0003] With the rapid development of cities in recent years, asphalt roads extend in all directions and high-rise buildings spring up. At present, in road construction and other aspects, it is easy for construction workers to accidentally dig and break the optical cable during operation, directly resulting in communication interruption. It is necessary to perform optical fiber fusion or replace the entire section of the optical cable, and the repair cost is high and time-consuming, thus causing significant economic losses. Therefore, a high-strength and impact-resistant communication optical cable is needed. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a high-strength and impact-resistant communication optical cable, which has the advantage of strong impact resistance and solves the problem that the existing optical cable has too low structural strength and is easy to be crushed or dug and broken.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A high-strength and impact-resistant communication optical cable, including an optical fiber and a protective sleeve, wherein an anti-collision frame is arranged between the optical fiber and the protective sleeve, and an anti-collision sleeve is arranged at the end face of the protective sleeve;

[0006] The anti-collision frame is provided with reinforcing ribs and support ribs. The support ribs are fixedly installed on the side end face of the reinforcing ribs. The optical fiber and the support ribs are alternately arranged in a circumferential array outside the reinforcing ribs. A filling layer is arranged in the gap between the anti-collision frame and the protective sleeve. An anti-puncture layer is arranged outside the anti-collision sleeve, and a corrosion-resistant layer is arranged outside the anti-puncture layer.

[0007] Preferably, the anti-collision frame of the high-strength and impact-resistant communication optical cable of the utility model is made of ASA material.

[0008] Preferably, the support rib is a "T"-shaped plate structure, the outer end face of the support rib is an arc surface structure, and the optical fiber is tangent to the side wall of the support rib and the inner wall of the protective sleeve.

[0009] Preferably, the support ribs are arranged at equal intervals along the extension direction of the reinforcing ribs, and the axial distance between the support ribs is equal to the axial length of the support ribs.

[0010] Preferably, as a high-strength and impact-resistant communication optical cable of the present utility model, the anti-collision sleeve includes an inner protection ring, an outer protection ring and buffer ribs. The buffer ribs are of a "V" shape and are circumferentially and equally arrayed between the inner protection ring and the outer protection ring. The anti-collision sleeve is made of rubber material.

[0011] Preferably, as a high-strength and impact-resistant communication optical cable of the present utility model, the anti-collision sleeve includes an inner protection ring, an outer protection ring and buffer ribs. The buffer ribs are of a "V" shape and are circumferentially and equally arrayed between the inner protection ring and the outer protection ring. The anti-collision sleeve is made of rubber material.

[0012] Preferably, the corrosion-resistant layer of the present utility model is made of polytetrafluoroethylene.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. By arranging an anti-collision frame between the optical fiber and the protective sleeve, the anti-collision frame provides physical isolation for the optical fiber, avoiding direct contact between the optical fiber and the protective sleeve or other hard components when the optical fiber is subjected to external impact, extrusion or vibration, thus effectively preventing optical fiber damage caused by direct collision, such as fracture, microcracks or excessive bending. And there is a certain axial distance on the side of the support ribs, enabling the optical fiber to be bent, which is convenient for the installation and laying of the optical cable.

[0015] 2. By arranging an anti-collision sleeve composed of an inner protection ring, an outer protection ring and V-shaped buffer ribs on the outer side of the optical cable, the V-shaped buffer ribs are designed to be easily bent. When the optical cable is impacted, these ribs can absorb and disperse the impact energy through their own deformation, effectively reducing the impact force directly transmitted to the core part of the optical fiber, thereby significantly reducing the risk of optical fiber damage caused by impact. The V-shaped buffer ribs are usually evenly distributed along the circumferential direction of the optical cable, forming an equal response to impacts from different directions. When the impact comes from a certain specific direction, the buffer ribs at the corresponding position first bend, converting the impact force into bending energy, and the remaining ribs that do not directly bear the impact can also provide lateral support to prevent the optical cable from deflecting or twisting due to the impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is of the present utility model Figure 1 the enlarged view at A in;

[0018] Figure 3 is a schematic diagram of the sectional structure of the present utility model;

[0019] Figure 4It is a schematic diagram of the anti-collision frame structure of the utility model.

[0020] In the figure: 1. optical fiber; 2. protective cover; 3. anti-collision frame; 301. reinforcing ribs; 302. supporting ribs; 4. anti-collision cover; 401. inner protective ring; 402. outer protective ring; 403. buffer ribs; 5. puncture-resistant layer; 6. corrosion-resistant layer; 7. filling layer. DETAILED DESCRIPTION

[0021] See also Figures 1-4 A high-strength collision-resistant communication optical cable comprises an optical fiber 1 and a protective cover 2, an anti-collision frame 3 is arranged between the optical fiber 1 and the protective cover 2, and an anti-collision cover 4 is arranged on the end face of the protective cover 2;

[0022] The anti-collision frame 3 has reinforcing ribs 301 and supporting ribs 302, and the supporting ribs 302 are fixedly mounted on the side end surface of the reinforcing ribs 301. The optical fibers 1 and the supporting ribs 302 are arranged in an alternating circular array on the outside of the reinforcing ribs 301. A filling layer 7 is arranged in the gap between the anti-collision frame 3 and the protective cover 2. A puncture-resistant layer 5 is arranged on the outside of the anti-collision cover 4, and a corrosion-resistant layer 6 is arranged on the outside of the puncture-resistant layer 5.

[0023] The optical cable is provided with an anti-collision frame 3 between the optical fiber 1 and the protective cover 2. The existence of the anti-collision frame 3 provides physical isolation for the optical fiber 1, preventing the optical fiber 1 from directly contacting the protective cover 2 or other hard components when subjected to external impact, extrusion or vibration, thereby effectively preventing damage to the optical fiber 1 caused by direct collision. Combined with the structure of the anti-collision cover 4, when the optical cable is impacted, these ribs can absorb and disperse the impact energy through their own deformation, effectively reducing the impact force directly transmitted to the core part of the optical fiber 1, thereby significantly reducing the risk of damage to the optical fiber 1 due to impact.

[0024] The anti-collision frame 3 is made of ASA material.

[0025] ASA material has good mechanical and physical properties, including high strength, high toughness and good processability. It also has strong weather resistance and can resist degradation and aging caused by ultraviolet radiation.

[0026] The support rib 302 is a “T”-shaped plate structure, and the outer end surface of the support rib 302 is a curved surface structure. The optical fiber 1 is tangent to the side wall of the support rib 302 and the inner wall of the protective cover 2 .

[0027] The support ribs 302 provide support for the optical fiber 1. When the optical cable is impacted, the support ribs 302 protect the optical cable through their own structural strength to prevent it from being bent or broken by the impact, thereby improving the impact resistance of the optical cable.

[0028] The support ribs 302 are arranged in an equidistant array along the extending direction of the reinforcing ribs 301 , and the axial spacing between the support ribs 302 is equal to the axial length of the support ribs 302 .

[0029] A certain gap is provided between the support ribs 302, enabling the optical cable to bend at a small angle, thus facilitating the cable laying and routing.

[0030] The anti-collision sleeve 4 includes an inner protective ring 401, an outer protective ring 402, and buffer ribs 403. The buffer ribs 403 are in a "V" shape and are equidistantly arranged in a circular array between the inner protective ring 401 and the outer protective ring 402. The anti-collision sleeve 4 is made of rubber material.

[0031] When the optical cable is impacted, the outer protective ring 402 and the inner protective ring 401 squeeze the buffer ribs 403, causing the buffer ribs 403 to undergo elastic deformation, thereby converting kinetic energy into elastic potential energy, and greatly reducing the impact on the internal pipeline.

[0032] The puncture-resistant layer 5 is made of poly(p-phenylene benzobisoxazole) fiber woven fabric.

[0033] Poly(p-phenylene benzobisoxazole) fiber has extremely high puncture resistance, preventing the optical cable from being broken by puncture of external sharp objects.

[0034] The corrosion-resistant layer 6 is made of polytetrafluoroethylene.

[0035] Polytetrafluoroethylene has extremely high chemical inertness and is hardly eroded by all chemicals, including strong acids, strong bases, strong oxidants, and solvents, which can greatly extend the service life of the optical cable.

[0036] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A high-strength, collision-resistant communication optical cable, comprising an optical fiber (1) and a protective sheath (2), characterized in that: An anti-collision frame (3) is arranged between the optical fiber (1) and the protective cover (2), and an anti-collision cover (4) is arranged on the end surface of the protective cover (2); The anti-collision frame (3) has reinforcing ribs (301) and supporting ribs (302), the supporting ribs (302) are fixedly mounted on the side end surface of the reinforcing ribs (301), the optical fibers (1) and the supporting ribs (302) are arranged in an alternating circular array on the outside of the reinforcing ribs (301), a filling layer (7) is arranged in the gap between the anti-collision frame (3) and the protective cover (2), a puncture-resistant layer (5) is arranged on the outside of the anti-collision cover (4), and a corrosion-resistant layer (6) is arranged on the outside of the puncture-resistant layer (5).

2. A high-strength collision-resistant communication optical cable according to claim 1, characterized in that: The anti-collision frame (3) is made of ASA material.

3. A high-strength collision-resistant communication optical cable according to claim 2, characterized in that: The support rib (302) is a "T"-shaped plate-like structure, the outer end surface of the support rib (302) is a curved surface structure, and the optical fiber (1) is tangent to the side wall of the support rib (302) and the inner wall of the protective sleeve (2).

4. A high-strength collision-resistant communication optical cable according to claim 3, characterized in that: The support ribs (302) are arranged in an equidistant array along the extension direction of the reinforcing ribs (301), and the axial spacing of the support ribs (302) is equal to the axial length of the support ribs (302).

5. The high-strength collision-resistant communication optical cable according to claim 1, characterized in that: The anti-collision sleeve (4) comprises an inner protective ring (401), an outer protective ring (402) and buffer ribs (403); the buffer ribs (403) are of a "V"-shaped structure; the buffer ribs (403) are arranged in an equidistant circular array between the inner protective ring (401) and the outer protective ring (402); and the anti-collision sleeve (4) is made of rubber material.

6. A high-strength collision-resistant communication optical cable according to claim 1, characterized in that: The puncture-resistant layer (5) is made by weaving poly(p-phenylene benzobisoxazole) fibers.

7. The high-strength collision-resistant communication optical cable according to claim 1, characterized in that: The corrosion-resistant layer (6) is made of polytetrafluoroethylene.

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