Optical fiber communication cable

Abstract

The utility model relates to an optical fiber communication cable, which comprises an outer sheath, aramid yarn, a solid aluminum sheet and a communication structure, and is characterized in that the communication structure is arranged, the periphery of an optical fiber is coated with a loose tube, and a cable core filler is filled, so that the extrusion of the loose tube to the optical fiber is slowed down, and the optical fiber can be prevented from being damaged due to excessive pressure; the loose tubes are annularly distributed and tightly attached to the outside of the loose tubes, the pulling deformation degree of the loose tubes is reduced when the loose tubes and the inner sheath extrude each other, the gaps between the annularly distributed loose tubes are filled with the filling ropes, the effect of reducing compression deformation on the outer sides of the loose tubes is also achieved, and the waterproof layer has the passive water blocking property and can play a role in blocking water from permeating inwards, so that the service life of the loose tubes is prolonged, and the service life of the loose tubes is prolonged. And the central reinforcing core and the optical fibers are prevented from being damaged by moisture.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fibers, in particular to an optical fiber communication cable. Background Art

[0002] Fiber optic communication is one of the important ways of modern information transmission. Fiber optic is the abbreviation of optical fiber, which is a fiber made of glass or plastic that can be used as a tool for light wave transmission. Fiber optic must be covered with several layers of protective structure before use. The covered cable is called optical cable.

[0003] Optical fiber is a fiber made of glass or plastic. It is long and slender and needs to be covered with a protective layer and an insulating layer as an outer layer to form an optical cable. The protective layer and the insulating layer can prevent the surrounding environment from damaging the optical fiber. If the protective layer and the insulating layer do not have a water-blocking effect and good toughness, the protective layer and the insulating layer will be easily damaged and cracked, which will affect the use of optical fiber communication cables. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In order to solve the above technical problems, the utility model provides an optical fiber communication cable.

[0006] (II) Technical solution

[0007] Based on this, the utility model provides the following technical solutions: an optical fiber communication cable, comprising an outer sheath, aramid yarn, a solid aluminum sheet and a communication structure, wherein the outer sheath is adhered to the outer end surface of the aramid yarn, the solid aluminum sheet is connected to the inner side of the aramid yarn, the outer side surface of the communication structure is adhered to the inner side surface of the solid aluminum sheet, the communication structure comprises a central reinforcing core, an optical fiber, a cable core filler, an inner sheath and a loose tube, the optical fiber is located on the outer side of the central reinforcing core, the cable core filler is located between the outer side and the inner side of the loose tube, the inner sheath is ring-connected to the outer side of the optical fiber, and the inner side surface of the inner sheath is fit-connected to the outer side surface of the loose tube.

[0008] Preferably, the inner sheath comprises a water-blocking layer, an inner protective layer, a soft body block and a filling rope, the inner protective layer is adhesively connected to the inner side surface of the water-blocking layer, the back of the soft body block is fixedly connected to the inner end surface of the inner protective layer, and the filling rope is located on the inner side of the inner protective layer.

[0009] Preferably, the outer sheath includes an insulating layer, an adhesive layer, a tough block and a soft ball, the adhesive layer is connected to the inner side of the insulating layer through the tough block, the tough block is located between the insulating layer and the adhesive layer, the soft ball is movably fitted on the outer side of the tough block, and the soft ball moves between the insulating layer and the adhesive layer.

[0010] Preferably, the outer side of the inner sheath is connected to the inner side of the solid aluminum sheet, six optical fibers are arranged on the outer side of the central reinforcing core and are evenly distributed in a ring shape, and a loose tube is connected to the outer side of each optical fiber.

[0011] Preferably, the front end face of the soft block is fitted and connected to the outer side face of the loose tube, the filling rope is gap-fitted on the outside of the loose tube, the water-blocking layer is annular, the soft block is flexible and non-slip, and is provided at six locations and evenly distributed in a ring shape about the center of the circle.

[0012] Preferably, the adhesive layer is adhered to the outer peripheral surface of the aramid yarn, and the tough block is a block with a hemispherical structure, which has good tear resistance and deformation force. The soft ball has excellent elasticity, and cooperates with the tough block to provide support between the insulating layer and the adhesive layer, and is also beneficial to enhance the toughness of the outer sheath, so that it can be deformed after being pulled by force and is not easily damaged.

[0013] Preferably, the water-blocking layer is made of a water-blocking tape material, has a passive water-blocking property, and can play a role in blocking water from penetrating inwardly, and the inner protective layer is made of polyethylene material.

[0014] Preferably, the cable core filler is a glass fiber material, which, as a reinforcing material in the composite material, has a heat insulating effect, ensures the roundness of the cable, and avoids damage to the optical fiber due to excessive pressure when squeezing the loose sleeve.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides an optical fiber communication cable, which has the following beneficial effects:

[0017] 1. The optical fiber communication cable is provided with a communication structure. The outer periphery of the optical fiber is coated with a loose tube and filled with a cable core filler, so as to reduce the squeezing of the loose tube on the optical fiber and avoid damage to the optical fiber due to excessive pressure. Due to the flexibility and anti-slip property of the soft block, it is closely attached to the outside of the loose tube, so as to reduce the pulling deformation of the loose tube when the loose tube and the inner sheath are squeezed. The filling rope is filled in the interval between the loose tubes distributed in an annular shape, so as to reduce the compression deformation of the outer side. The water-blocking layer has a passive water-blocking property, so as to prevent water from penetrating inward and avoid the central reinforcing core and the optical fiber from being damaged due to moisture.

[0018] 2. This optical fiber communication cable has an adhesive layer tightly adhered to the outer peripheral surface of the aramid yarn, which makes it easy to compound the outer sheath on the outer periphery of the communication structure. The hemispherical structure of the tough block provides support between the insulating layer and the adhesive layer. Its own properties have good tear resistance and deformation force. Combined with the soft ball with excellent elasticity, it is also beneficial to enhance the toughness of the outer sheath, so that it will not deform after being pulled by force and is not easy to be damaged, thereby not easily damaging the optical fiber communication cable and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the communication structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the planar cross-sectional structure of the inner sheath of the utility model;

[0022] Figure 4 It is a schematic diagram of the planar cross-sectional structure of the outer sheath of the utility model.

[0023] In the figure: outer sheath-1, aramid yarn-2, solid aluminum sheet-3, communication structure-4, central reinforcing core-41, optical fiber-42, cable core filler-43, inner sheath-44, loose tube-45, water-blocking layer-441, inner sheath-442, soft block-443, filling rope-444, insulating layer-11, adhesive layer-12, tough block-13, soft ball-14. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-2 A fiber optic communication cable comprises an outer sheath 1, an aramid yarn 2, a solid aluminum sheet 3 and a communication structure 4, wherein the outer sheath 1 is adhered to the outer end surface of the aramid yarn 2, the solid aluminum sheet 3 is connected to the inner side of the aramid yarn 2, the outer side surface of the communication structure 4 is adhered to the inner side surface of the solid aluminum sheet 3, the communication structure 4 comprises a central reinforcing core 41, an optical fiber 42, a cable core filler 43, an inner sheath 44 and a loose tube 45, the optical fiber 42 is located on the outer side of the central reinforcing core 41, the cable core filler 43 is located between the outer side of 21 and the inner side of the loose tube 45, and the inner The sheath 44 is connected to the outer side of the optical fiber 42, the inner side of the inner sheath 44 is fitted and connected to the outer side of the loose tube 45, the outer side of the inner sheath 44 is connected to the inner side of the solid aluminum sheet 3, six optical fibers 42 are provided on the outer side of the central reinforcing core 41, and are evenly distributed in a ring shape, and a loose tube 45 is connected to the outside of the optical fiber 42. The cable core filler 43 is a glass fiber material, which serves as a reinforcing material in the composite material and has an insulating effect to ensure the roundness of the cable and avoid damage to the optical fiber 42 due to excessive pressure when the loose tube 45 is squeezed.

[0026] See also Figure 3-4 , an optical fiber communication cable, the inner sheath 44 includes a water blocking layer 441, an inner protective layer 442, a soft block 443 and a filling rope 444, the inner protective layer 442 is adhesively connected to the inner side of the water blocking layer 441, the back of the soft block 443 is fixedly connected to the inner end surface of the inner protective layer 442, and the filling rope 444 is located on the inner side of the inner protective layer 442.

[0027] Preferably, the outer sheath 1 includes an insulating layer 11, an adhesive layer 12, a tough block 13 and a soft ball 14, the adhesive layer 12 is connected to the inner side of the insulating layer 11 through the tough block 13, the tough block 13 is located between the insulating layer 11 and the adhesive layer 12, the soft ball 14 is movably matched on the outer side of the tough block 13, and the soft ball 14 moves between the insulating layer 11 and the adhesive layer 12, the front end face of the soft block 443 is fitted with the outer side of the loose tube 45, the filling rope 444 is gap-fitted on the outer side of the loose tube 45, the water-blocking layer 441 is annular, and the soft block 443 has flexibility and anti-slip properties. The adhesive layer 12 is adhered to the outer peripheral surface of the aramid yarn 2, and the tough block 13 is a block in a hemispherical structure with good tear resistance and deformation force. The soft ball 14 has excellent elasticity and cooperates with the tough block 13 to provide support between the insulating layer 11 and the adhesive layer 12, and is also beneficial to enhance the toughness of the outer sheath 1, so that it deforms after being pulled by force and is not easy to be damaged. The water-blocking layer 441 is made of a water-blocking tape material with passive water-blocking properties, which can prevent water from penetrating inward, and the inner protective layer 442 is made of polyethylene.

[0028] In summary, by setting up the communication structure 4, the outer periphery of the optical fiber 42 is coated with a loose tube 45, and is filled with a cable core filler 43. The cable core filler 43 is a glass fiber material, which has a heat-insulating effect. As a reinforcing material in the composite material, when the inner sheath 44 is squeezed inward, the squeezing of the optical fiber 42 by the loose tube 45 is slowed down, and the optical fiber 42 can be prevented from being damaged due to excessive pressure. Due to the flexibility and anti-slip property of the soft block 443, its morphological structure matches the outer arc of the loose tube 45, and can be closely attached to the outside of the loose tube 45, so as to enhance a layer of flexibility between the loose tube 45 and the water-blocking layer 441, and slow down the pulling deformation of the loose tube 45 when the loose tube 45 and the inner sheath 44 are squeezed. The filling rope 444 is filled in the annular distribution. The spacing between the loose sleeves 45 of the cloth also reduces the compression deformation of the outer side. The water-blocking layer 441 has a passive water-blocking property, which can prevent water from penetrating inward and prevent the central reinforcing core 41 and the optical fiber 42 from being damaged by moisture. The adhesive layer 12 is tightly adhered to the outer peripheral surface of the aramid yarn 2, which is convenient for compounding the outer sheath 1 on the outer periphery of the communication structure 4. The hemispherical structure of the tough block 13 provides support between the insulating layer 11 and the adhesive layer 12. Its own properties have good tear resistance and deformation force. Combined with the soft ball 14 with excellent elasticity, it is also beneficial to enhance the toughness of the outer sheath 1, so that it is deformed after being pulled by force and is not easy to be damaged, thereby not easily damaging the optical fiber communication cable and extending its service life.

[0029] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and wiring arrangement in detail.

[0030] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[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. An optical fiber communication cable, characterized in that: The device comprises an outer sheath (1), an aramid yarn (2), a solid aluminum sheet (3) and a communication structure (4), wherein the outer sheath (1) is bonded to the outer end surface of the aramid yarn (2), the solid aluminum sheet (3) is connected to the inner side of the aramid yarn (2), and the outer side surface of the communication structure (4) is bonded to the inner side surface of the solid aluminum sheet (3); The communication structure (4) comprises a central reinforcing core (41), an optical fiber (42), a cable core filler (43), an inner sheath (44) and a loose tube (45), wherein the optical fiber (42) is located on the outer side of the central reinforcing core (41), the cable core filler (43) is located between the outer side of (21) and the inner side of the loose tube (45), the inner sheath (44) is ring-connected to the outer side of the optical fiber (42), and the inner side surface of the inner sheath (44) is fitted and connected to the outer side surface of the loose tube (45); The outer sheath (1) comprises an insulating layer (11), an adhesive layer (12), a tough block (13) and a soft ball (14); the adhesive layer (12) is connected to the inner side of the insulating layer (11) through the tough block (13); the tough block (13) is located between the insulating layer (11) and the adhesive layer (12); the soft ball (14) is movably fitted on the outer side of the tough block (13); and the soft ball (14) moves between the insulating layer (11) and the adhesive layer (12).

2. An optical fiber communication cable according to claim 1, characterized in that: The inner sheath (44) comprises a water-blocking layer (441), an inner protective layer (442), a soft body block (443) and a filling rope (444); the inner protective layer (442) is adhesively connected to the inner side surface of the water-blocking layer (441); the back of the soft body block (443) is fixedly connected to the inner end surface of the inner protective layer (442); and the filling rope (444) is located on the inner side of the inner protective layer (442).

3. The optical fiber communication cable according to claim 1, characterized in that: The outer side of the inner sheath (44) is connected to the inner side surface of the solid aluminum sheet (3).

4. An optical fiber communication cable according to claim 2, characterized in that: The front end surface of the soft body block (443) is fitted and connected to the outer side surface of the loose tube (45), and the filling rope (444) is loosely fitted on the outer side of the loose tube (45).

5. The optical fiber communication cable according to claim 1, characterized in that: The adhesive layer (12) is adhered to the outer peripheral surface of the aramid yarn (2), and the tough block (13) is a block in a hemispherical structure.

6. The optical fiber communication cable according to claim 2, characterized in that: The water blocking layer (441) is made of a water blocking tape.

7. The optical fiber communication cable according to claim 1, characterized in that: The cable core filler (43) is glass fiber material.

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