CN215264165U - Indoor and outdoor universal optical cable - Google Patents

Abstract

The utility model provides an indoor outer general optical cable, including a plurality of optical units, every optical unit includes that at least one is painted optic fibre and the cladding is the sleeve pipe of an at least painted optic fibre, a plurality of optical unit outside cladding enhancement layers, enhancement layer outside cladding inner sheath, inner sheath outside cladding water blocking layer, water blocking layer outside cladding metal level, metal level outside cladding oversheath, wherein, at least one easy groove of shelling along optical cable axial extension is seted up to the lateral surface of inner sheath. The utility model discloses easily be under construction, changed traditional construction method, when getting into indoorly from the open air, need not to carry out the butt fusion with other indoor optical cables, or through switching equipment, but directly get rid of armor and oversheath, the inner sheath optical cable directly gets into indoorly, and the inner sheath is slotty, can directly tear with the hand, reduced the circuit attenuation rather than other equipment switching, improve the circuit quality, and the convenience of greatly increased construction improves the efficiency of construction, reduce the engineering time, reduce the cost of registering the house.

Description

Indoor and outdoor universal optical cable

Technical Field

The utility model relates to an optical cable technical field, concretely relates to indoor outer general optical cable.

Background

At present, with the requirements of 5G, intelligent manufacturing and the like on optical networks, the construction of fiber-to-the-home networks is developed vigorously, and application places relate to various occasions such as families, schools, hospitals, banks, factories, data centers and the like. When faced with different application sites or wiring environments, the conventional approach is to use different cables in different environments, or to switch over by other connection means. This approach to joint wiring can result in reduced reliability of the communication system, increased line optical attenuation, reduced line quality, and can reduce construction efficiency and increase construction and maintenance costs.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned technical problem, an indoor outer general optical cable is provided, easily construction, traditional construction method has been changed, when outdoor getting into indoorly, need not to carry out the butt fusion with other indoor optical cables, or through switching equipment, but directly get rid of armor and oversheath, the inner sheath optical cable directly gets into indoorly, and the inner sheath is slotted, can directly tear with the hand, the circuit attenuation of switching with other equipment has been reduced, the circuit quality is improved, and the convenience of greatly increased construction, the efficiency of construction is improved, reduce the engineering time, reduce the cost of registering one's residence.

The utility model adopts the technical scheme as follows:

the utility model provides an indoor outer general optical cable, includes a plurality of optical unit, every the optical unit includes at least one colored optic fibre and cladding the sleeve pipe of at least one colored optic fibre, a plurality of optical unit outside cladding enhancement layers, enhancement layer outside cladding inner sheath, inner sheath outside cladding water-blocking layer, water-blocking layer outside cladding metal level, metal level outside cladding oversheath, wherein, at least one easy groove of shelling along optical cable axial extension is seted up to the lateral surface of inner sheath.

The sleeve pipe with the inner sheath all adopts low smoke and zero halogen material.

The reinforcing layer is made of water-blocking glass yarns.

The reinforced layer is made of water-blocking aramid fiber.

The water-blocking layer adopts a water-blocking tape.

The metal layer is a metal strip.

The outer sheath is made of high-density polyethylene material.

The outer sheath is made of low-smoke halogen-free flame-retardant polyolefin material.

The easy-stripping grooves are 4 and are arranged at intervals of 90 degrees along the circumferential direction of the optical cable by 1.

The easy-stripping groove is triangular along the radial section of the optical cable.

The utility model has the advantages that:

the utility model discloses an indoor outer general optical cable, tensile strength is strong, anti side pressure ability is good, flame retardant grade is high, and adopt full dry-type structure, the full cross-section blocks water, whole construction does not have oleamen, sanitation and hygiene, easily construction when the optical cable is used, traditional construction method has been changed, when outdoor entering is indoor, need not to carry out the butt fusion with other indoor optical cables, or through switching equipment, but directly get rid of armor and oversheath, the inner sheath optical cable directly gets into indoorly, and the inner sheath is slotty, can directly tear with the hand, the circuit attenuation of switching with other equipment has been reduced, improve the circuit quality, and the convenience of greatly increased construction, the efficiency of construction is improved, reduce the engineering time, reduce the cost of registering one's residence.

Drawings

Fig. 1 is a schematic structural view of an indoor and outdoor universal optical cable according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the utility model discloses general optical cable of indoor outer includes a plurality of light units 1, every light unit 1 includes at least one colored optic fibre 11 and cladding sleeve pipe 12 of at least one colored optic fibre 11, a plurality of light unit outside cladding enhancement layers 2, 2 outside cladding inner sheaths 3 of enhancement layer, 3 outside cladding water-blocking layers 4 of inner sheath, 4 outside cladding metal levels 5 of water-blocking layers, 5 outside cladding oversheath 6 of metal level, wherein, at least one easy groove 7 of shelling along optical cable axial extension is seted up to the lateral surface of inner sheath 3.

The utility model discloses an embodiment, sleeve pipe 12 can adopt low friction and low shrinkage's low smoke and zero halogen material, has the advantage that the shrinkage is little after, be difficult for increasing the optic fibre loss of stranding low temperature, and its cladding is one or many colored optic fibre 11, constitutes the fire-retardant light unit of easy peeling off full-dry type, easily realizes the separation of colored optic fibre 11 and sleeve pipe 12, once peels off length and can reach 150 mm. In a specific embodiment of the present invention, as shown in fig. 1, the number of the light units 1 may be 9, and in other embodiments of the present invention, the number of the light units 1 may be other.

In an embodiment of the present invention, the reinforcing layer 2 can be made of water-blocking glass yarn, which is not easy to be transversely broken, has excellent hydrophilic expansion performance, can enhance the tensile strength of the optical cable, and provides a certain lateral pressure resistance. The utility model discloses a further embodiment, enhancement layer 2 still can be other nonmetal enhancement layers, for example still can adopt the aramid fiber that blocks water, has that tensile ability is strong, the advantage that the performance of blocking water is good.

In an embodiment of the present invention, the inner sheath 3 may be made of high flame retardant low smoke halogen-free material with high oxygen index and low shrinkage, and may pass the flame retardant rating test of the european union building code CPR certification B2 ca. In an embodiment of the present invention, the outer side surface of the inner sheath 3 may be formed with at least one easy-peeling groove 7 extending along the axial direction of the optical cable, for example, as shown in fig. 1, the number of the easy-peeling grooves 7 may be 4, and 1 is formed along the circumferential direction of the optical cable at intervals of 90 degrees. In one embodiment of the present invention, as shown in fig. 1, the easy-peeling groove 7 is triangular in cross section along the radial direction of the optical cable, and a vertex of the triangle is located on the outer side surface of the inner sheath 3. The inner sheath is easy to be directly torn by hand by arranging the easy-to-peel groove 7 on the outer side surface of the inner sheath 3.

In an embodiment of the present invention, the water-blocking layer 4 may be formed by winding a high-expansion water-blocking tape. In an embodiment of the present invention, the metal layer 5 may be formed by winding a metal tape, such as a double-layered coated aluminum tape. Through the armor of water-blocking tape and strap, not only can improve tensile, the anti side pressure performance of optical cable, but also can make the optical cable have excellent rodent resistant characteristic.

In one embodiment of the present invention, the outer sheath 6 may be made of high-density polyethylene material with high strength, wear resistance and low friction coefficient. The utility model discloses a another embodiment, oversheath 6 still can adopt low smoke and zero halogen flame retardant polyolefin material, and low smoke and zero halogen flame retardant polyolefin material can further improve the fire behaviour of optical cable, is applicable to the special environment that has the requirement to high fire behaviour and prevent rodent performance.

According to the utility model discloses indoor outer general optical cable, tensile strength is strong, anti side pressure ability is good, flame retardant grade is high, and adopt full dry-type structure, the total cross-section blocks water, whole construction does not have oleamen, sanitation and hygiene, easily construction when the optical cable is used, traditional construction methods has been changed, when getting into from outdoor, need not to carry out the butt fusion with other indoor optical cables, or through switching equipment, but directly get rid of armor and oversheath, the inner sheath optical cable directly gets into indoorly, and the inner sheath is slotted, can directly tear with the hand, the circuit attenuation of switching with other equipment has been reduced, improve the line quality, and the convenience of greatly increased construction, the efficiency of construction is improved, reduce the engineering time, reduce the cost of registering one's residence.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. The utility model provides an indoor outer general optical cable, its characterized in that includes a plurality of optical units, every optical unit includes at least one colored optic fibre and cladding the sleeve pipe of at least one colored optic fibre, a plurality of optical unit outside cladding enhancement layers, enhancement layer outside cladding inner sheath, inner sheath outside cladding water blocking layer, water blocking layer outside cladding metal level, metal level outside cladding oversheath, wherein, at least one easy groove of shelling along optical cable axial extension is seted up to the lateral surface of inner sheath.

2. An indoor and outdoor universal optical cable as claimed in claim 1, wherein said sleeve and said inner sheath are both made of low smoke zero halogen material.

3. An indoor and outdoor optical cable as claimed in claim 1, wherein the reinforcing layer is made of water-blocking glass yarn.

4. An indoor and outdoor universal optical cable as claimed in claim 1, wherein the reinforcing layer is made of water-blocking aramid.

5. An indoor and outdoor universal optical cable according to claim 1, wherein the water-blocking layer is a water-blocking tape.

6. An indoor and outdoor universal optical cable as claimed in claim 1, wherein the metal layer is a metal tape.

7. An indoor and outdoor universal optical cable as claimed in claim 1, wherein the outer sheath is made of high density polyethylene.

8. An indoor and outdoor universal optical cable as claimed in claim 1, wherein the outer sheath is made of low smoke halogen-free flame retardant polyolefin material.

9. An indoor and outdoor universal optical cable as claimed in claim 1, wherein the number of the easy-stripping grooves is 4, and 1 groove is formed at intervals of 90 degrees along the circumferential direction of the optical cable.

10. An indoor and outdoor optical cable as claimed in claim 9, wherein the easy-peeling groove has a triangular cross section along the radial direction of the optical cable.

Images