CN206696503U - A kind of ribbon cables - Google Patents

Abstract

The utility model discloses a ribbon-shaped optical fiber cable, which comprises an optical fiber ribbon and a rectangular groove. The periphery of the optical fiber ribbon is covered with an insulating inner layer. The optical fiber ribbon is arranged in the rectangular groove. A filling layer is arranged, a shielding layer is arranged outside the rectangular groove, a reinforcing core is arranged between the rectangular groove and the shielding layer, a first insulating layer is arranged outside the shielding layer, an inner sheath is arranged outside the first insulating layer, and the inner sheath A second insulating layer is arranged outside, a strengthening layer is arranged outside the second insulating layer, a water-blocking layer is arranged outside the strengthening layer, and an outer sheath layer is arranged outside the water-blocking layer. The utility model has good stretch resistance performance and water blocking performance, large transmission capacity, fast speed and good anti-interference performance, and is suitable for the occasion of establishing a relatively large-scale network.

Description

A ribbon fiber optic cable

technical field

The utility model relates to an optical fiber cable, in particular to a ribbon optical fiber cable.

Background technique

Optical fiber communication has been widely used due to its advantages of large information capacity, good confidentiality, light weight, small size, and long distance without repeaters. Broader and deeper levels of development. The application of optical fiber is bringing profound impact and changes to human life. Existing optical fiber cables are insufficient in strength and tensile strength, and there are hidden dangers of breaking during the winding process and at both ends of the cable. Their single functions cause a lot of inconvenience in the current signal transmission process. Existing products need to be equipped with both optical and electrical cables, but optical fibers are usually not resistant to bending, which will cause optical fiber breakage.

The utility model patent with the publication number CN 202494801 discloses a sealed optical fiber ribbon array. The optical fiber ribbon of the optical fiber array penetrates into the metal sleeve assembly to form a sealing system. The gap between the ribbon optical fiber and the metal sleeve assembly is filled Solder and seal. The gap between the ribbon optical fiber and the gold-plated sleeve of the ribbon optical fiber array is filled with gold or tin solder and is welded and sealed to form a sealing assembly, which solves the problem of metallization sealing between the optical fiber and the sleeve, and improves stability and reliability. sex.

The utility model with the notification number CN 204631334 discloses an optical fiber, which includes at least three optical fiber bodies, fiber filaments and a protective sleeve. Inside. The optical fiber is provided with a mesh fiber thread and a protective sheath outside the fiber body, and each fiber body is connected to each other through the fiber thread. Because multiple optical fiber bodies are in contact with each other, when the optical fiber is bent, the contact surface of the fiber filaments of the optical fiber body will contact and rub, which will easily wear the fiber filaments and cause damage to the optical fiber. Tensile properties are poor.

The utility model patent with the notification number CN 205984326 discloses a ribbon-shaped optical fiber cable with mixed copper wires. There is a groove in the center of the insulating layer, and the groove is used to place the ribbon-shaped optical fiber. The ribbon-shaped optical fiber and the groove There is a free space between the inner walls, and the ribbon-shaped optical fiber is a flat-shaped optical fiber ribbon formed by arranging a plurality of single optical fibers in a row and fixing them with adhesive edges. There is a gap between the optical fiber of the ribbon optical fiber cable and the inner wall of the groove, which increases the bending flexibility of the ribbon optical fiber, but the stretch resistance of the ribbon optical fiber is poor.

Utility model content

In view of this, the purpose of this utility model is to provide a ribbon-shaped optical fiber cable for the deficiencies of the prior art. Fiber resistance to stretching.

In order to achieve the above object, the utility model adopts the following technical solutions:

A ribbon-shaped optical fiber cable, wherein the ribbon-shaped optical fiber cable includes an optical fiber ribbon and a rectangular groove, the outer periphery of the optical fiber ribbon is covered with an insulating inner layer, the optical fiber ribbon is arranged in the rectangular groove, and the distance between the rectangular groove and the optical fiber ribbon is A filling layer is arranged between them, a shielding layer is arranged outside the rectangular groove, a reinforcing core is arranged between the rectangular groove and the shielding layer, a first insulating layer is arranged outside the shielding layer, an inner sheath is arranged outside the first insulating layer, and an inner sheath is arranged outside the first insulating layer. A second insulating layer is arranged outside the sheath, a reinforcement layer is arranged outside the second insulation layer, a water-blocking layer is arranged outside the reinforcement layer, and an outer sheath layer is arranged outside the water-blocking layer.

Preferably, an opening is provided on the rectangular slot.

Preferably, the reinforcing core is a non-metallic reinforcing core.

Preferably, a metal conductor is arranged between the inner sheath and the insulating layer.

Preferably, there are multiple reinforcing cores arranged around the rectangular groove.

The beneficial effects of the utility model are:

The utility model uses a rectangular groove to place the optical fiber ribbon, so that the optical fiber ribbon can be completely covered in the rectangular groove, and the rectangular groove is made of soft silica gel material to avoid damage to the optical fiber ribbon when it is bent; a filling layer is added between the rectangular groove and the optical fiber ribbon to reduce The gap between the optical fiber ribbon and the rectangular groove prevents the optical fiber ribbon from shaking in the rectangular groove, and the filling layer can also protect the optical fiber ribbon from bending.

In the utility model, a plurality of non-metal reinforcing cores are arranged around the rectangular groove, which increases the strength and tensile performance of the entire optical fiber cable. A shielding layer, an insulating layer and an inner sheath are arranged outside the non-metallic reinforced core, and a metal conductor is arranged outside the inner sheath. The metal conductor can transmit electricity, so that the optical fiber cable can be used for communication transmission. Between the metal conductor and the optical fiber ribbon Multi-layer protection is set between them to avoid mutual winding, which enhances the stability of optical fiber cable signal transmission.

The utility model is provided with a four-layer structure composed of an insulating layer, a strengthening layer, a water blocking layer and an outer sheath layer outside the metal conductor. Good waterproof effect improves the overall performance of the fiber optic cable and prolongs the service life of the fiber optic cable. The utility model has the advantages of large transmission capacity, small loss, strong anti-electromagnetic interference, long service life, etc., and can be widely used in communication, fire protection, hospitals, colleges, enterprises and other special optical fiber and cable occasions.

Description of drawings

Fig. 1 is a structural schematic diagram of a ribbon optical fiber cable of the present invention.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

As shown in Figure 1, a ribbon-shaped optical fiber cable includes an optical fiber ribbon 1 and a rectangular groove 2. The outer periphery of the optical fiber ribbon 1 is covered with an insulating inner layer. The optical fiber ribbon 1 is arranged in the rectangular groove 2. A filling layer 3 is arranged between them, and the filling layer 3 may be composed of polypropylene resin. The optical fiber ribbon 1 is placed in the rectangular groove 2 so that the optical fiber ribbon 1 can be completely covered in the rectangular groove 2. The rectangular groove 2 is made of soft silicone material to avoid damage to the optical fiber ribbon 1 when it is bent; between the rectangular groove 2 and the optical fiber ribbon 1 The filling layer 3 is added to reduce the gap between the optical fiber ribbon 1 and the rectangular groove 2, so as to prevent the optical fiber ribbon 1 from shaking in the rectangular groove 2, and the filling layer 3 can also protect the optical fiber ribbon 1 from bending. Openings 4 are processed at both ends of the rectangular groove 2 to facilitate placing the optical fiber ribbon 1 in the groove, and the openings at both ends of the rectangular groove 2 are blocked after the filler is filled to facilitate processing.

A shielding layer 6 is arranged outside the rectangular slot 2, and a plurality of reinforcing cores 5 are arranged between the rectangular slot 2 and the shielding layer 6. The reinforcing cores 5 are non-metallic reinforcing cores, which increase the strength and tensile performance of the entire optical fiber cable. An insulating layer 7 is arranged outside the shielding layer 6, an inner sheath 8 is arranged outside the insulating layer 7, an insulating layer 9 is arranged outside the inner sheath 8, and a metal conductor 13 is arranged between the insulating layer 9 and the inner sheath 8, and the metal conductor 13 can To transmit electricity, the fiber optic cable can be used for communication transmission, and multiple layers of protection are provided between the metal conductor 13 and the fiber ribbon 1 to avoid mutual winding and enhance the stability of signal transmission of the fiber optic cable.

In the utility model, a reinforcing layer 10 is arranged outside the insulating layer 9 , a water-blocking layer 11 is arranged outside the reinforcing layer 10 , and an outer sheath layer 12 is arranged outside the water-blocking layer 11 . The ribbon-shaped optical fiber cable is provided with a four-layer structure composed of an insulating layer 9, a strengthening layer 10, a water-blocking layer 11, and an outer sheath layer 12 outside the metal conductor 13 in sequence. The structural strength of the water blocking layer 11 maintains a good waterproof effect, improves the overall performance of the optical fiber cable, and prolongs the service life of the optical fiber cable. The utility model has the advantages of large transmission capacity, small loss, strong anti-electromagnetic interference, long service life, etc., and can be widely used in communication, fire protection, hospitals, colleges, enterprises and other special optical fiber and cable occasions.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model without limitation, other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solution of the utility model, as long as they do not depart from the technical solution of the utility model The spirit and scope should be included in the claims of the present utility model.

Claims (5)

1. A ribbon-shaped optical fiber cable, characterized in that: the ribbon-shaped optical fiber cable comprises an optical fiber ribbon and a rectangular groove, the outer periphery of the optical fiber ribbon is covered with an insulating inner layer, the optical fiber ribbon is arranged in the rectangular groove, and the rectangular groove A filling layer is arranged between the optical fiber ribbon, a shielding layer is arranged outside the rectangular groove, a reinforcing core is arranged between the rectangular groove and the shielding layer, a first insulating layer is arranged outside the shielding layer, an inner sheath is arranged outside the first insulating layer, A second insulating layer is arranged outside the inner sheath, a reinforcing layer is arranged outside the second insulating layer, a water-blocking layer is arranged outside the reinforcing layer, and an outer sheath layer is arranged outside the water-blocking layer. 2. A ribbon-shaped optical fiber cable according to claim 1, characterized in that: the rectangular slot is provided with an opening. 3. A ribbon-shaped optical fiber cable according to claim 2, wherein the reinforcing core is a non-metallic reinforcing core. 4. A ribbon optical fiber cable according to claim 3, characterized in that: a metal conductor is arranged between the inner sheath and the insulating layer. 5. A ribbon-shaped optical fiber cable according to claim 4, characterized in that there are multiple reinforcing cores arranged around the rectangular groove.