CN215116901U

CN215116901U - Four-core multi-branch length optical fiber cable assembly

Info

Publication number: CN215116901U
Application number: CN202023326666.6U
Authority: CN
Inventors: 聂青青; 张英; 马才华; 李文风; 钱杰
Original assignee: Jiangsu Trigiant Sensing Technology Co ltd
Current assignee: Jiangsu Trigiant Sensing Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-12-10
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to an optical cable technical field, specifically speaking relates to a four-core multi-branch length optical fiber cable subassembly. The optical cable branching device comprises a DLC/UPC connector, a branching device, a stainless steel hose and a 4-core optical cable, wherein the A end and the B end are arranged at two ends of the 4-core optical cable, the A end and the B end are respectively connected with the branching device at the A end and the branching device at the B end, two ends of the branching device which is not connected with the 4-core optical cable are connected with the connector through the stainless steel hose, and four branch sub-cables of the 4-core optical cable are arranged in the stainless steel hose. The utility model discloses an in the design, through the sub-cable of stainless steel hose protection branch, make the sub-cable of branch connect and have certain pull resistance, applicable in the environment of multiple complicacy, the utility model discloses a high accuracy distributor injecting glue device of independently researching and developing can guarantee the size of branch length for glue solidification speed effectively improves production efficiency.

Description

Four-core multi-branch length optical fiber cable assembly

Technical Field

The utility model relates to an optical cable technical field, specifically speaking relates to a four-core multi-branch length optical fiber cable subassembly.

Background

Along with the continuous deep development of optical fiber communication, the use of optical cable is more and more popular, and optical fiber cable subassembly becomes the indispensable appurtenance of being connected between optic fibre and the optic fibre, and in current optical fiber cable subassembly technique, the material is usually more fragile, receives external force and damages easily, leads to life short, does not possess effectual protection device, and compressive capacity is weak, causes wearing and tearing easily when the installation is crooked, and the discernment is not strong moreover, is difficult to distinguish. Therefore, a branch length optical fiber cable assembly with strong identification, good protection effect, good toughness and good tensile strength is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a many branches of four-core length optical fiber cable subassembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the present invention provides the following technical solutions: a four-core multi-branch length optical fiber cable assembly comprises a connector 1, a splitter 2, a stainless steel hose 3 and a 4-core optical cable 4, wherein two ends of the 4-core optical cable 4 are an end A and an end B, the end A and the end B are respectively connected with the splitter 2, and two ends, which are not connected with the phi 7.0mm4 core optical cable 4, of the splitter 2 are connected with the connector 1 through the stainless steel hose 4.

The splitter 2 includes an a-end splitter 201 and a B-end splitter 202. The total length of the a-end splitter 201 is set to 40mm, and the total length of the B-end splitter 202 is set to 24 mm.

The specification of the 4-core optical cable 4 is phi 7.0mm, the optical fiber type is G657.A2, two ends are respectively set as an A end and a B end, the A end is RRU, the B end is BBU, the A end is connected with the A-end splitter 201, the B end is connected with the B-end splitter 202, four branch sub-cables are arranged in the 4-core optical cable 4, and the four branch sub-cables are respectively a first sub-cable 401, a second sub-cable 402, a third sub-cable 403 and a fourth sub-cable 404.

The stainless steel hose 3 comprises a phi 2.1 stainless steel hose 301 and a phi 2.8 stainless steel hose 302, wherein the phi 2.1 stainless steel hose 301 is arranged at the A end and connected with the 4A end of the 4-core optical cable through an A-end splitter 201, and the phi 2.8 stainless steel hose 302 is arranged at the B end and connected with the 4B end of the 4-core optical cable through a B-end splitter 202.

The first sub-cable 401 and the second sub-cable 402 respectively penetrate through a stainless steel hose 301 with the diameter of 2.1mm at the end A, the length of the first sub-cable is set to 41mm, the third sub-cable 403 and the fourth sub-cable 404 respectively penetrate through a stainless steel hose 301 with the diameter of 2.1mm at the end A, the length of the third sub-cable is set to 61mm, the first sub-cable 401 and the second sub-cable 402 respectively penetrate through a stainless steel hose 302 with the diameter of 2.8mm at the end B, the length of the first sub-cable is set to 479mm, the third sub-cable 403 and the fourth sub-cable 404 respectively penetrate through a stainless steel hose 302 with the diameter of 2.8mm at the end B, and the length of the third sub-cable is set to 527 mm.

The connector 1 is provided with a DLC/UPC2.0 connector 101 and a DLC/UPC3.0 connector 102, wherein the end A is connected with the DLC/UPC2.0 connector 101, the end B is connected with the DLC/UPC3.0 connector 102, the DLC/UPC2.0 connector 101 is connected with the first sub-cable 401, the second sub-cable 402, the third sub-cable 403 and the fourth sub-cable 404 at the end A, the DLC/UPC3.0 connector 102 is connected with the first sub-cable 401, the second sub-cable 402, the third sub-cable 403 and the fourth sub-cable 404 at the end B, and the surfaces of the DLC/UPC2.0 connector 101 and the DLC/UPC3.0 connector 102 are respectively provided with a laser mark 103 for identification.

Compared with the prior art, the utility model discloses beneficial effect as follows:

the utility model discloses the material chooses low smoke and zero halogen material for use, and nontoxic tasteless environmental protection has higher intensity, rigidity and fine toughness, adopts the high accuracy divider injecting glue device of independently researching and developing, can guarantee the size of branch length, and has stronger fire-retardant and prevent UV effect and can guarantee the mechanical properties and the environmental performance of optical cable, and the reinforcing element chooses imported aramid fiber for use in the optical cable simultaneously, guarantees the mechanical properties of optical cable;

drawings

FIG. 1 is a schematic view of the assembly mounting structure of the present invention;

fig. 2 is a schematic view of an a-end splitter of the present invention;

fig. 3 is a schematic diagram of the B-end splitter of the present invention.

In the figure: 1. a connector; 101. DLC/UPC2.0 connectors; 102. DLC/UPC3.0 connectors; 103. laser marking; 2. a splitter; 201. an A-end splitter; 202. a B-end splitter; 3. a stainless steel hose; 301. phi 2.1 stainless steel hose; 302 phi 2.8 stainless steel hose; 4. phi 7.0mm4 core optical cable; 401. a first sub-cable; 402. a second sub-cable; 403. a third sub-cable; 404. and a fourth sub-cable.

Detailed Description

In order to clarify technical problems, technical solutions, implementation processes and performance displays, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are for illustrative purposes only. The utility model discloses, be not used for limiting the utility model discloses. Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.

As shown in fig. 1 to 3, a four-core multi-branch length optical fiber cable assembly includes a connector 1, a splitter 2, a stainless steel hose 3 and a 4-core optical cable 4, wherein two ends of the 4-core optical cable 4 are an a end and a B end, the a end and the B end are respectively connected to the splitter 2, and two ends of the splitter 2, which are not connected to the phi 7.0mm4 core optical cable 4, are connected to the connector 1 through the stainless steel hose 4.

The splitter 2 includes an a-end splitter 201 and a B-end splitter 202. The total length of the a-end splitter 201 is set to 40mm, and the total length of the B-end splitter 202 is set to 24 mm. 2 inner chambers of branching ware use epoxy AB glue fixed aramid fiber, and aramid fiber is in the state of flare-outing when fixed, guarantees to connect when doing tensile test, connector 1 does not receive to lead, adopts the high accuracy distributor injecting glue device of independently researching and developing, guarantees the size of branch length for glue solidification speed effectively improves production efficiency, and has guaranteed the reliability that the deconcentrator bonded, strengthens branch stretching resistance, and the pulling force of optical cable subassembly branch department can reach 180N.

The specification of the 4-core optical cable 4 is 7.0mm in diameter, the type of the optical fiber is G657.A2, two ends of the 4-core optical cable are respectively set as an A end and a B end, the A end is RRU, the B end is BBU, the A end is connected with the A-end splitter 201, the B end is connected with the B-end splitter 202, four branch sub-cables are arranged in the 4-core optical cable 4, a cable stripper is used for stripping a sheath of the 4-core optical cable 4, a sheath skin of 115mm is stripped from the A end, a sheath skin of 581mm is stripped from the B end, aramid fibers and 4 sub-cables with diameter of 0.9mm are exposed, the sub-cables are respectively a first sub-cable 401, a second sub-cable 402, a third sub-cable 403 and a fourth sub-cable 404, the sub-cables are flexible and non-tensile, and the joint tension can reach 70N by assembling the stainless steel hose 3 at the joint, so that the 4-core optical cable 4 has certain tensile property, and can be applicable to various complex environments.

The stainless steel hose 3 has the good flexibility, corrosion resistance, high temperature resistance, wear resistance and tensile resistance, and comprises a phi 2.1 stainless steel hose 301 and a phi 2.8 stainless steel hose 302, wherein the phi 2.1 stainless steel hose 301 is arranged at the A end and connected with the A end of the 4-core optical cable 4 through an A-end splitter 201, and the phi 2.8 stainless steel hose 302 is arranged at the B end and connected with the B end of the 4-core optical cable 4 through a B-end splitter 202.

The connector 1 is provided with a DLC/UPC2.0 connector 101 and a DLC/UPC3.0 connector 102, wherein an A end is connected with the DLC/UPC2.0 connector 101, a B end is connected with the DLC/UPC3.0 connector 102, the DLC/UPC2.0 connector 101 is connected with a first sub-cable 401, a second sub-cable 402, a third sub-cable 403 and a fourth sub-cable 404 of the A end, the DLC/C3.0 connector 102 is connected with the first sub-cable 401, the second sub-cable 402, the third sub-cable 403 and the fourth sub-cable 404 of the B end, and laser marks 103 are arranged on the surfaces of the DLC/UPC2.0 connector 101 and the DLC/UPC3.0 connector 102 according to the processes of penetration, insertion and disassembly, core solidification, crimping, assembly, grinding, end detection and final optical performance detection, so that the corresponding relation of the joints is convenient to identify and can be distinguished by visual observation, and the installation is simple.

During the packing, adopt the good bellows of elasticity, will the utility model discloses an AB both ends connector parts penetrates in the bellows to use the ribbon ligature, guarantee the security in the transportation.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The four-core multi-branch-length optical fiber cable assembly is characterized by comprising a connector (1), a splitter (2), a stainless steel hose (3) and a phi 7.0mm4 core optical cable (4), wherein the two ends of the phi 7.0mm4 core optical cable (4) are an A end and a B end, the A end and the B end are respectively connected with the splitter (2), one end of the splitter (2) is connected with the phi 7.0mm4 core optical cable (4), and the other end of the splitter is connected with the connector (1) through the stainless steel hose (3).

2. A four-core multi-branch length fiber optic cable assembly according to claim 1, wherein the splitter (2) comprises an a-end splitter (201) and a B-end splitter (202).

3. A four-core multi-branch length optical fiber cable assembly according to claim 1, wherein the phi 7.0mm4 core optical cable (4) is 7.0mm in specification, the two ends are respectively set as an a end and a B end, the a end is an RRU, the B end is a BBU, the a end is connected with an a-end splitter (201), the B end is connected with a B-end splitter (202), and four branch sub-cables, namely a first sub-cable (401), a second sub-cable (402), a third sub-cable (403) and a fourth sub-cable (404), are arranged in the phi 7.0mm4 core optical cable (4).

4. A four-core multi-branch length fiber optic cable assembly according to claim 1, wherein the stainless steel hose (3) comprises a phi 2.1 stainless steel hose (301) and a phi 2.8 stainless steel hose (302), the phi 2.1 stainless steel hose (301) being disposed at an a end connected to the phi 7.0mm4 core cable (4) a end by an a-end splitter (201), the phi 2.8 stainless steel hose (302) being disposed at a B end connected to the phi 7.0mm4 core cable (4) B end by a B-end splitter (202).

5. A four-core multi-branch length optical fiber cable assembly according to claim 3, wherein the first sub-cable (401) and the second sub-cable (402) are respectively penetrated into a stainless steel hose (301) of 2.1mm at a end, the length is set to 41mm, the third sub-cable (403) and the fourth sub-cable (404) are respectively penetrated into a stainless steel hose (301) of 2.1mm at a end, the length is set to 61mm, the first sub-cable (401) and the second sub-cable (402) are respectively penetrated into a stainless steel hose (302) of 2.8mm at a B end, the length is set to 479mm, and the third sub-cable (403) and the fourth sub-cable (404) are respectively penetrated into a stainless steel hose (302) of 2.8mm at a B end, the length is set to 527 mm.

6. A four-core multi-branch length optical fiber cable assembly according to claim 1, wherein the connector (1) is provided with a DLC/UPC2 connector (101) and a DLC/UPC3 connector (102), the DLC/UPC2 connector (101) is connected at an a-end, the DLC/UPC3 connector (102) is connected at a B-end, the DLC/UPC2 connector (101) is connected with the first sub-cable (401), the second sub-cable (402), the third sub-cable (403) and the fourth sub-cable (404) at the a-end, the DLC/UPC3 connector (102) is connected with the first sub-cable (401), the second sub-cable (402), the third sub-cable (403) and the fourth sub-cable (404) at the B-end, and the DLC/UPC2 connector (101) and the DLC/UPC3 connector (102) are each provided with a laser marking (103) on a surface for easy identification.