CN210925561U

CN210925561U - Water-blocking square optical fiber composite bunched cable

Info

Publication number: CN210925561U
Application number: CN201922162644.1U
Authority: CN
Inventors: 薛洋蕾; 吴建达; 王军懿; 朱嘉颖; 翁奇锋; 汪琪; 陈许青
Original assignee: Shaoxing Electric Power Equipment Co ltd
Current assignee: Shaoxing Electric Power Equipment Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-03
Anticipated expiration: 2029-12-06

Abstract

The utility model relates to the technical field of cables, concretely relates to compound bunched cable of return side optic fibre blocks water. The utility model relates to a compound bunched cable of square optic fibre that blocks water, including optic fibre, first cable, second cable, third cable and fourth cable, optic fibre and first cable are connected through vertical splice bar, first cable and second cable pass through vertical splice bar and connect, second cable and third cable pass through the transverse connection muscle and connect, third cable and fourth cable pass through vertical splice bar and connect, transverse connection muscle and vertical splice bar all are equipped with the rectangular trompil of an ellipse, first cable, second cable, third cable and fourth cable all include a plurality of electrically conductive unit and water-blocking area.

Description

Water-blocking square optical fiber composite bunched cable

Technical Field

The utility model relates to the technical field of cables, concretely relates to compound bunched cable of return side optic fibre blocks water.

Background

The power fiber to the home can meet the self-development requirement of the smart grid and can comprehensively support integration of three networks. The power fiber to the home can realize the co-construction and sharing of network infrastructure, greatly reduce the implementation cost of three-network integration, improve the comprehensive operation efficiency of the network, and has obvious advantages in the aspects of energy conservation and environmental protection. The power fiber-to-the-home technology realizes that the problem that the photoelectric composite cable enters the home only needs one-time construction and one channel, can replace the multiple construction of a plurality of circuits such as the traditional electric wire, network cable, telephone wire, cable television and the like, and greatly saves the cable resource and public safety. The cable laying can be completed simultaneously, the fiber-to-the-home can be completed, the power high-speed data network platform is constructed by matching with the EPON (passive optical network based on the Ethernet mode) technology, and the services such as data, voice, video and the like can be provided. Users can directly access the Internet through the power optical fiber, dial digital phones and watch high-definition televisions, support automatic coordination control on intelligent household appliances such as air conditioners, electric water heaters and electric cookers, and synchronously realize the integrated reading and comprehensive application of three meters of electric meters, water meters and gas meters.

The parallel bundling type optical fiber composite low-voltage cable is an optical fiber composite cable formed by compounding an optical unit on a parallel bundling overhead insulated cable in parallel, has the functions of a communication optical cable and a common parallel bundling type overhead insulated cable, integrates the functions of optical fiber communication and power transmission, can finish optical fiber home-entry while laying the cable, avoids secondary wiring, and effectively reduces the cost of construction, network construction and the like. With the comprehensive start of the power fiber-to-the-home pilot engineering construction, the parallel-bundled fiber composite low-voltage cable is also paid more attention. An insulation layer is prepared outside a cable core wire and an optical unit by adopting an extrusion insulation method to serve as a sheath (namely an insulation sheath) outside the parallel cluster type optical fiber composite low-voltage overhead insulated cable.

The existing optical fiber composite bunched cable has poor water resistance and cannot adapt to a humid environment.

Disclosure of Invention

For solving the difference of prior art, the utility model relates to a compound bunched cable of return side optic fibre blocks water, concrete scheme is as follows:

the utility model provides a compound bunched cable of square optic fibre that blocks water, includes optic fibre, first cable, second cable, third cable and fourth cable, optic fibre and first cable pass through vertical splice bar and connect, first cable and second cable pass through vertical splice bar and connect, second cable and third cable pass through transverse connection muscle and connect, third cable and fourth cable pass through vertical splice bar and connect, transverse connection muscle and vertical splice bar all are equipped with the rectangular trompil of an ellipse, first cable, second cable, third cable and fourth cable all include a plurality of conductive unit and the area that blocks water.

The water-blocking tape is internally provided with a conductive unit, the conductive unit comprises a central conductor bundle, and a plurality of conductor bundles are arranged on the outer side of the central conductor bundle. Prior art is a conductor bundle, the utility model discloses set up a plurality of electrically conductive units, electrically conductive unit sets up the toughness that a plurality of conductor bundles can strengthen the cable again, and the turn of being convenient for is difficult for the fracture.

And 6 conductor bundles are arranged outside the central conductor bundle. The conductor bundles are ensured to be densely arranged, and the relative displacement is prevented.

And water blocking yarns are arranged among the plurality of conductive units. Can better play the role of water resistance.

The first cable, the second cable, the third cable and the fourth cable each include 6 conductive elements. The conductive units are ensured to be densely arranged, and the relative displacement is prevented.

The optical fiber comprises an inflaming retarding polyolefin outer sleeve, an optical fiber water blocking tape is arranged in the inflaming retarding polyolefin outer sleeve, a central reinforcing core is arranged in the optical fiber water blocking tape, a plurality of optical fiber conducting units are uniformly distributed on the outer side of the central reinforcing core, each optical fiber conducting unit comprises a central fiber core, and a plurality of fiber cores are uniformly distributed on the outer side of the central fiber core. The prior art is a fiber core, the utility model is provided with a plurality of optical fiber conduction units, and the optical fiber conduction units are also provided with a plurality of fiber cores; the flame-retardant polyolefin jacket can also play a role in fire resistance; the optical fiber water-blocking tape can play a water-blocking role.

And 6 optical fiber conducting units are uniformly distributed on the outer side of the central reinforced core. The optical fiber conducting units are ensured to be densely arranged, and the relative displacement is prevented.

5 fiber cores are uniformly distributed on the outer side of the central fiber core. The dense arrangement of the fiber cores is ensured, and the relative displacement is prevented.

The utility model relates to a water-blocking square optical fiber composite bunched cable improves the waterproof performance of the cable through the arrangement of the water-blocking tape; and simultaneously the utility model discloses a transverse connection muscle and vertical splice bar all are equipped with the rectangular trompil of an ellipse, can save material, when needs are with cable or optic fibre separation (for example when maintaining), can conveniently separate (tear can) simultaneously.

Drawings

Fig. 1 is a schematic structural view of a water-blocking return optical fiber composite bunched cable of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

wherein the reference numbers: 1. a first cable; 11. an insulating layer; 12. a conductive unit; 121. a water blocking tape; 122. a central conductor bundle; 123. a conductor bundle; 124. water-blocking yarn; 2. a second cable; 3. a third cable; 4. a fourth cable; 5. an optical fiber; 51. a flame retardant polyolefin jacket; 52. a central reinforcing core; 53. an optical fiber conducting unit; 54. a central core; 55. a fiber core; 56. an optical fiber water blocking tape; 6. transverse connecting ribs; 7. vertical connecting ribs; 8. an oval-shaped elongated opening.

Detailed Description

This is further illustrated below in connection with FIGS. 1-2:

a water-blocking square optical fiber composite bunched cable comprises an optical fiber 5, a first cable 1, a second cable 2, a third cable 3 and a fourth cable 4, wherein the optical fiber 5 is connected with the first cable 1 through a vertical connecting rib 7, the first cable 1 is connected with the second cable 2 through the vertical connecting rib 7, the second cable 2 is connected with the third cable 3 through a transverse connecting rib 6, the third cable 3 is connected with the fourth cable 4 through the vertical connecting rib 7, the transverse connecting rib 6 and the vertical connecting rib 7 are respectively provided with an oval strip-shaped opening 8, the first cable 1, the second cable 2, the third cable 3 and the fourth cable 4 respectively comprise (the first cable 1, the second cable 2, the third cable 3 and the fourth cable 4 respectively comprise an insulating layer 11, a water-blocking tape 121 is arranged in the insulating layer 11, a plurality of conductive units 12 and a water-blocking tape 121 (a plurality of conductive units 12 are arranged in the water-blocking tape), the conductive units 12 comprise a central conductor bundle 122, a plurality of conductor bundles 123 are arranged outside the central conductor bundle 122. Prior art is a conductor bundle 123, the utility model discloses set up a plurality of electrically conductive unit 12, electrically conductive unit 12 sets up the toughness that a plurality of conductor bundles 123 can strengthen the cable again, and the turn of being convenient for is difficult for the fracture. Outside the central conductor bundle 122, 6 conductor bundles 123 are provided. The conductor bundles 123 are ensured to be densely arranged, and relative displacement is prevented. Water blocking yarn 124 is disposed between the plurality of conductive units 12. Can better play the role of water resistance. The first cable 1, the second cable 2, the third cable 3 and the fourth cable 4 each comprise 6 conductive elements 12. The conductive units 12 are ensured to be densely arranged, and the relative displacement is prevented.

The optical fiber 5 comprises an inflaming retarding polyolefin outer sleeve 51, an optical fiber water blocking tape 56 is arranged in the inflaming retarding polyolefin outer sleeve 51, a central reinforced core 52 is arranged in the optical fiber water blocking tape 56, a plurality of optical fiber conducting units 53 are uniformly distributed on the outer side of the central reinforced core 52, each optical fiber conducting unit 53 comprises a central fiber core 54, and a plurality of fiber cores 55 are uniformly distributed on the outer side of the central fiber core 54. The prior art is a fiber core 55, the utility model is provided with a plurality of optical fiber conduction units 53, and the optical fiber conduction units 53 are provided with a plurality of fiber cores 55, so that the toughness of the cable can be enhanced, the cable is convenient to bend and is not easy to break; the flame retardant polyolefin jacket 51 can also play a role in fire resistance; the optical fiber water blocking tape 56 can play a water blocking role. And 6 optical fiber conducting units 53 are uniformly distributed outside the central reinforced core 52. The optical fiber conducting units 53 are ensured to be densely arranged, and the relative displacement is prevented. The 5 cores 55 are uniformly distributed outside the central core 54. The dense arrangement of the fiber cores 55 is ensured, and the relative displacement is prevented.

The water-blocking square optical fiber composite bunched cable improves the water resistance of the cable through the arrangement of the water-blocking tape 121; simultaneously the utility model discloses a transverse connection muscle 6 and vertical splice bar all 7 are equipped with an oval rectangular trompil 8, can save material, simultaneously when needs are with cable or optic fibre separation (for example when maintaining), can conveniently separate (tear can).

The above-mentioned embodiment is only used for explaining the utility model concept, and not to the limit of the utility model protection, and all utilize this concept to be right the utility model discloses carry out insubstantial change, all shall fall into the scope of protection of the utility model.

Claims

1. The utility model provides a compound bunched cable of return side of blocking water optic fibre which characterized in that: the optical fiber and the first cable are connected through a vertical connecting rib, the first cable and the second cable are connected through a vertical connecting rib, the second cable and the third cable are connected through a transverse connecting rib, the third cable and the fourth cable are connected through a vertical connecting rib, the transverse connecting rib and the vertical connecting rib are provided with an oval strip-shaped opening, and the first cable, the second cable, the third cable and the fourth cable all comprise a plurality of conductive units and a water blocking tape.

2. The water-blocking cube optical fiber composite bunched cable of claim 1, wherein: a central conductor bundle is arranged in the water-blocking tape, and a plurality of conductor bundles are arranged on the outer side of the central conductor bundle.

3. The water-blocking cube optical fiber composite bunched cable of claim 2, wherein: and 6 conductor bundles are arranged outside the central conductor bundle.

4. The water-blocking cube optical fiber composite bunched cable of claim 1, wherein: and water blocking yarns are arranged among the plurality of conductive units.

5. The water-blocking cube optical fiber composite bunched cable of claim 1, wherein: the first cable, the second cable, the third cable and the fourth cable each include 6 conductive elements.

6. The water-blocking cube optical fiber composite bunched cable of claim 1, wherein: the optical fiber comprises an inflaming retarding polyolefin outer sleeve, an optical fiber water blocking tape is arranged in the inflaming retarding polyolefin outer sleeve, a central reinforcing core is arranged in the optical fiber water blocking tape, a plurality of optical fiber conducting units are uniformly distributed on the outer side of the central reinforcing core, each optical fiber conducting unit comprises a central fiber core, and a plurality of fiber cores are uniformly distributed on the outer side of the central fiber core.

7. The water-blocking cube optical fiber composite bunched cable of claim 6, wherein: and 6 optical fiber conducting units are uniformly distributed on the outer side of the central reinforced core.

8. The water-blocking cube optical fiber composite bunched cable of claim 6, wherein: 5 fiber cores are uniformly distributed on the outer side of the central fiber core.