CN201749240U - A pre-connected optical cable - Google Patents

Abstract

The utility model discloses a pre-connection optical cable, including main distribution, constitute with main distribution branch optical cable more in the main distribution, set up at least one floor optical cable branch point on the main distribution, the one end of main distribution branch optical cable stretches out from floor optical cable branch point department, and the main distribution branch optical cable other end is the branch tail optical fiber, and the branch tail optical fiber exposes in main distribution bottom. The beneficial effects of the utility model reside in that: the branch of the main optical cable at each floor can be connected with each individual horizontal home-entering optical cable according to service opening requirements without branching the vertical main optical cable on site by adopting a factory pre-customized mode, so that the system installation cost and the installation time are greatly reduced; the input end of the main optical cable is in a pre-connection mode and is in plug-and-play with main distribution equipment (optical cross-connecting boxes or optical sub-boxes and the like); each floor trunk cable branch can provide a pre-connection or non-pre-connection mode to be connected with a floor wiring box or a user terminal and the like.

Description

A pre-connected optical cable

technical field

The utility model relates to the field of optical cables, in particular to a pre-connected optical cable capable of realizing optical fiber to the home in modern communication engineering. the

Background technique

At present, with the development of science and technology, people's requirements for information transmission bandwidth continue to increase, and FTTH technology has begun to enter thousands of households. FTTH technology refers to the installation of optical network units at residential or business users, and is the closest optical access network application type to users except FTTD (fiber to the desktop) in the optical cable access series. The remarkable technical feature of FTTH is that it not only provides greater bandwidth, but also enhances the transparency of the network to data format, rate, wavelength and protocol, relaxes the requirements for environmental conditions and power supply, and simplifies maintenance and installation. However, the existing indoor main access optical cables are all ordinary optical cables. If it is necessary to split the fiber into the home, it needs to be installed separately at an additional cost. The cost of installation and construction (welding) is high, and the construction period is long. The technical level of construction personnel is required to be high. At the same time, branch optical cables have low reliability and are prone to failure. The above reasons seriously restrict the development of FTTH technology. Therefore, a pre-connected optical cable capable of realizing fiber-to-the-home has become a research hotspot in this field. the

Contents of the invention

The purpose of this utility model is to provide a kind of pre-connection optical cable, which can solve the deficiencies in the known technology, and adopt the method of factory pre-customization, and the process of splicing out the optical fiber branches on each floor in the building is passed in the factory. The production equipment is realized, and it is easier to install, which greatly reduces the system installation cost and installation time. the

In order to achieve the above object, the utility model is realized through the following technical solutions: a pre-connected optical cable, including a main distribution line, the main distribution line is composed of a plurality of main distribution branch optical cables, and at least one floor optical cable branch point is set on the main distribution line , one end of the main distribution branch optical cable protrudes from the branch point of the floor optical cable, the other end of the main distribution branch optical cable is a branch pigtail, and the branch pigtail is exposed at the bottom of the main distribution. the

A pre-connected connector is installed on one end of the main distribution branch optical cable and the branch pigtail. the

The floor optical cable branch sleeve is installed outside the branch point of the floor optical cable. the

A stay rope is installed at the top of the main wiring. the

The beneficial effect of the utility model is that: the factory pre-customizes the process of splicing out the optical fiber branches on each floor of the building through production equipment in the factory, and the vertical trunk optical cables can be split without on-site branching. The branch of the main optical cable on each floor is connected with each individual horizontal entry optical cable according to the needs of service opening, which greatly reduces the system installation cost and installation time; the installation is convenient, the technical requirements for the installers are low, and the installation cost is reduced; the main optical cable input The end adopts the pre-connection method to realize plug-and-play with the main distribution room equipment (optical cross-connection box or optical distribution box, etc.); the main optical cable branch of each floor can provide pre-connection or non-pre-connection method to connect with the floor distribution box or user terminal ; After the optical cable is produced, it can be put into use after being tested by the factory, which can improve the connection speed and reliability from the shaft to the end user. the

Description of drawings

Accompanying drawing 1 is the schematic structural diagram of the front view of the utility model. the

Numbers shown in the attached drawings: 1. branch casing of floor optical cable; 2. main wiring; 3. branch pigtail; 4. branch optical cable of main wiring; 5. pull rope; 6. pre-connection connector. the

Detailed ways

Below in conjunction with specific embodiment, further set forth the utility model. It should be understood that these embodiments are only used to illustrate the present utility model and are not intended to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of the application. the

The pre-connection optical cable described in the utility model has a main structure including a main wiring 2 . The main distribution line 2 is composed of a plurality of main distribution branch optical cables 4, and at least one floor optical cable branch point is set on the main distribution line 2, and the floor optical cable branch points correspond to the positions of each floor. One end of the main distribution branch optical cable 4 protrudes from the branch point of the floor optical cable, and this end is the data output end. The other end of the main wiring branch optical cable 4 is a branch pigtail 3, which is exposed at the bottom of the main wiring 2, and the branch pigtail 3 is a data input end. In order to facilitate connection with users and distribution boxes, one end (data output end) of the main distribution branch optical cable 4 and the branch pigtail 3 are provided with a pre-connection joint 6 . When in use, the branch pigtail 3 is connected to the building optical cable distribution box through the pre-connection joint 6, and one end (data output end) of the branch optical cable 4 of the main distribution can provide pre-connection or non-pre-connection with the floor distribution box or user Terminal connection, so as to achieve the purpose of splitting fiber into the home. All branches and joints of the pre-connected optical cable described in the utility model are prefabricated in a factory, which can ensure product reliability. the

The further technical feature of the utility model is that: preferably, the floor optical cable branch sleeves 1 are pre-installed outside the branch points of the optical cable on each floor. The floor optical cable branch sleeve 1 can protect the branch point and the main distribution branch optical cable 4 . the

In the utility model, in order to facilitate the installation of the main wiring 2, it is preferable to install a stay rope 5 on the top of the main wiring 2, and the stay rope 5 can assist the installation of the main wiring 2 to improve the installation efficiency of the utility model. the

Claims (4)

1. pre-connection optical cable, comprise main wiring (2), it is characterized in that: form by many main wiring branched cables (4) in the main wiring (2), at least one floor fiber cable branch point is set on the main wiring (2), one end of main wiring branched cable (4) stretches out from floor fiber cable branch point, main wiring branched cable (4) other end is branch's tail optical fiber (3), and branch's tail optical fiber (3) exposes in main wiring (2) bottom.

2. a kind of pre-connection optical cable according to claim 1 is characterized in that: an end of described main wiring branched cable (4) and branch's tail optical fiber (3) are gone up pre-connection joint (6) are installed.

3. a kind of pre-connection optical cable according to claim 1 and 2 is characterized in that: the outside floor fiber cable branch sleeve pipe (1) of installing of floor fiber cable branch point.

4. a kind of pre-connection optical cable according to claim 3 is characterized in that: stay cord (5) is installed on main wiring (2) top.

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