CN211123401U - Multi-branch-head optical cable free of fiber melting pre-plug - Google Patents
Multi-branch-head optical cable free of fiber melting pre-plug Download PDFInfo
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- CN211123401U CN211123401U CN201921797787.3U CN201921797787U CN211123401U CN 211123401 U CN211123401 U CN 211123401U CN 201921797787 U CN201921797787 U CN 201921797787U CN 211123401 U CN211123401 U CN 211123401U
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Abstract
The utility model provides a multi-branch head optical cable of a pre-plug without melting fiber. The utility model discloses the optical cable is rational in infrastructure, and the ability of protection optic fibre is strong, accords with the requirement of high intensive, branching type, and optical cable sheath material adopts low smoke and zero halogen flame retardant polyolefin material, satisfies combustion behavior and environmental protection performance requirement. The optical cable type adopts the tight-sleeved optical fiber as a basic unit, so that the strength of the optical fiber can be enhanced, and the optical cable can be waterproof. The optical cable sheath is made of black low-smoke halogen-free flame-retardant polyolefin material, so that the optical cable sheath is attractive and elegant, and meets the requirements of most indoor and outdoor dual-purpose cables. The optical cable adopts a branching type, and optical fibers can be flexibly branched at any position of the optical cable to be laid; two plugs are pre-connected to two ends of the branched optical fiber at the opening of the sheath, so that a series optical path can be formed, and direct connection can be realized; connecting a section of optical fiber or link in series; some sensors are strung in. The connection of the pre-connected serial plugs ensures that the plug connection is stable and reliable, the plug type can be optional, and the plug and play device is flexible and convenient.
Description
Technical Field
The utility model discloses optical communication technical field, concretely relates to exempt from to melt many branchs head optical cable of fine pre-plug.
Background
Generally, the number of optical fibers in an optical cable is determined by engineering design requirements and various factors, and an optical cable with more than 2 cores is called a multi-core optical cable according to the convention. Most optical cables are directly connected from one local end to another local end no matter how many cores are, and the optical cables are allowed to be connected in the middle. There are also situations where it is necessary to download a signal halfway, which requires the optical power or fiber to be downloaded, so called splitting or splitting, at the middle opening of the cable. A multi-core optical cable in which a part of optical fibers is easily branched in the middle is called a branch type optical cable. The operation of splitting a portion of the optical fiber at the opening of the sheath at a position somewhere in the middle of the longitudinal direction of the optical fiber cable is called fiber splitting, and such optical fiber cable is called a branch type optical fiber cable.
Similar to a branch optical cable, a part of optical fiber can be conveniently separated by opening a sheath at a necessary position in the middle along the longitudinal direction of the optical cable, only two ends of the cut optical fiber are separated to be connected with a plug, the separated optical fiber and signals thereof also return to the optical cable, similar to a certain service area between two places AB in a highway, and then return to the highway to continue to move forwards after a certain function or purpose is realized. The whole optical cable can be opened at multiple positions in the middle to be pre-connected with a plurality of serial plugs.
The functions that can be realized by a pair of series plugs are as follows: (1) the direct connection through the converter is equivalent to the situation that the direct connection has no branch, and the link optical power can be attenuated or the link power can be tested. (2) And a section of optical fiber or a link is connected in series, so that the extension of an optical fiber line is realized. (3) Some sensors are connected in series or devices with certain functions are realized, and the test and transmission of phase, temperature, stress, direction or length change at a certain position are realized; it can also be used to monitor a certain signal and transmit this signal to the receiving end.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a many branchs head optical cable of exempting from to melt fine pre-plug makes plug and play after the engineering construction finishes, need not to melt the plug again, has realized exempting from to melt fine, nimble use, plug and play's purpose.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
the utility model provides a multi-branch head optical cable of a pre-plug without melting fiber, which comprises an optical cable connector and an optical cable main cable, wherein the optical cable connector comprises an optical cable branching unit, an optical cable connecting unit and an optical cable connecting unit; the optical cable branching unit comprises an optical cable input port and a coupler; the optical cable connection unit comprises an optical cable plug end and an adapter; the optical cable connecting unit comprises a box body and a buckle; the tail end of the optical cable branching unit is connected with the optical cable splicing unit; the tail end of the optical cable branching unit is connected with the optical cable splicing unit.
According to the multi-branch-head optical cable of the melting-fiber-free pre-plug, the adapter is provided with the internal thread, the optical cable plug end is provided with the external thread, the external thread is matched with the internal thread, and the adapter and the optical cable plug end are plugged together through the external thread and the internal thread.
According to the multi-branch-head optical cable of the melting-fiber-free pre-plug, one end of the optical cable branching unit is provided with the optical cable, the input port of the optical cable is connected with one end of the coupler, and the other end of the coupler is connected with the bare optical cables.
According to the multi-branch-head optical cable of the melting-fiber-free pre-plug, one end of the optical cable connection unit is connected with the optical cable main cables at one end of the optical cable branching unit, one end of the optical cable connection unit forms an optical cable finished end, and the optical cable finished end is an idle port for stopping the optical cable main cables.
According to the multi-branch-head optical cable of the melting-fiber-free pre-plug, the optical cable main cable is structurally a multi-core bundle-shaped circular leading-in structure, namely, the tight-sleeved optical fibers are used as basic units and are twisted into a cable core, and the periphery of the cable core is wound with the non-metal reinforcing elements.
According to the multi-branch-head optical cable of the pre-plug without the fusion fiber, the optical cable main cable is wrapped by the low-smoke halogen-free sheath, the two reinforcing components are symmetrically embedded in the sheath, and the sheath is symmetrically provided with the depressions in the direction which is perpendicular to the connecting line of the reinforcing components and passes through the center of the optical cable.
According to the multi-branch-head optical cable of the pre-plug without the molten fiber, the optical cable is wrapped by the low-smoke halogen-free sheath, the two reinforcing components are symmetrically embedded in the sheath, and the sheath is symmetrically provided with the depressions in the direction perpendicular to the connecting line of the reinforcing components and passing through the center of the optical cable.
The utility model discloses this kind of exempt from to melt fine optical cable of many branches head of plug in advance rational in infrastructure, the ability reinforce of protection optic fibre accords with high intensive, the requirement of branching type, and optical cable sheath material adopts low smoke and zero halogen flame retardant polyolefin material, satisfies combustion behavior and environmental protection performance requirement. The optical cable type adopts the tight-sleeved optical fiber as a basic unit, so that the strength of the optical fiber can be enhanced, and the optical cable can be waterproof. The optical cable sheath is made of black low-smoke halogen-free flame-retardant polyolefin material, so that the optical cable sheath is attractive and elegant, meets the requirements of most indoor and outdoor dual-purpose cables, and more importantly meets the sunlight irradiation aging resistance of the optical cable. The optical cable adopts a branching type, introduces the concept of pre-connecting a serial plug, and can flexibly branch optical fibers at any position of the optical cable to be laid; two plugs are pre-connected to two ends of the branched optical fiber at the opening of the sheath to form a series optical path. The series plug can realize that: direct connection; connecting a section of optical fiber or link in series; some sensors are strung in. The pre-connected serial plugs are connected when leaving the factory, so that the plug connection is stable and reliable, the plug type can be selected at will, and the plug is flexible to use, plug and play and flexible and convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will discuss the drawings required to be used in the description of the embodiments or the prior art, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings thereof can be obtained according to the embodiments shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of the multi-branch optical cable of the pre-plug without melting fiber.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments described in the present disclosure, all other embodiments obtained by a person skilled in the art without creative efforts are within the scope of the present disclosure.
An embodiment of the utility model provides a target orbital motion analogue means, the orbital motion gesture that can accurate simulation target changes.
Referring to fig. 1, the utility model provides a multi-branch head optical cable of a pre-plug without melting fiber, which comprises an optical cable connector and an optical cable main cable, wherein the optical cable connector comprises an optical cable branching unit 1, an optical cable connecting unit 2 and an optical cable connecting unit 3; the optical cable branching unit 1 comprises an optical cable input port and a coupler; the optical cable connection unit 2 comprises an optical cable plug end and an adapter; the optical cable splicing unit 3 comprises a box body and a buckle; one end of the optical cable branching unit 1 is connected with the optical cable connecting unit 2, and the other end of the optical cable branching unit 1 is connected with the optical cable connecting unit 3.
Fusion fiber-free pre-connectorized plug optical cables have many advantages and advantages in cable development, pre-connectorization and in-field lay applications, summarized as follows:
the optical cable is reasonable in structure, the cable comprises basic component elements such as optical fibers, reinforcing elements and sheaths, the optical fibers are protected, and branching is facilitated.
The optical cable structure is suitable for forming different core numbers, meets the requirements of high density and branch type, and is suitable for the environment and application requirements of various laying application occasions.
The optical cable can be suitable for single-mode and multi-mode optical fibers of various types.
The optical cable can meet various standard requirements of international, domestic, industry and user requirements.
The optical cable sheath material is made of low-smoke halogen-free flame-retardant polyolefin material, and meets the requirements of combustion performance and environmental protection performance.
The optical cable type adopts the tight-buffered optical fiber as a basic unit, not only can enhance the strength of the optical fiber, but also can prevent water, and accords with the technical development trend and the application development habit of most indoor optical cables.
The optical cable meets the requirements of the mechanical properties of the relevant standards.
The optical cable meets the environmental performance requirements and environmental performance requirements of relevant standards such as attenuation temperature characteristics, high temperature characteristics, low temperature characteristics and the like.
The optical cable sheath is made of black low-smoke halogen-free flame-retardant polyolefin material, so that the optical cable sheath is attractive and elegant, meets the requirements of most indoor and outdoor dual-purpose cables, and more importantly meets the sunlight irradiation aging resistance of the optical cable.
The outer diameter of the optical cable is designed to be 15.00mm, so that the optical cable can meet the design requirements of different core numbers, does not influence the limitation of laying pipelines, and is favorable for operating space redundancy during branching and fiber splitting.
The optical cable adopts a branching type, introduces the concept of pre-connecting a serial plug, and can flexibly branch optical fibers at any position of the optical cable to be laid; two plugs are pre-connected to two ends of the branch optical fiber at the opening of the sheath to form a series optical path, and the introduction of the transmission concept is innovative and is a technical design suitable for special industrial application.
The series plug can realize that: direct connection; connecting a section of optical fiber or link in series; some sensors are strung in.
The pre-connected serial plugs are connected when leaving the factory, so that the plug connection is stable and reliable, the plug type can be selected at will, the plug is flexible to use, is more stable and safer than a plug temporarily connected on site, and is time-saving, labor-saving, plug-and-play, flexible and convenient.
The series plug can also be changed into a pre-finished optical cable, which is changed along with laying application, thereby saving time and labor.
The connecting plug can be multi-level and multi-type protection, which does not affect the construction laying and can effectively protect the connection and the plug branch.
The idea of pre-plugging the plug accords with the development trend of the prior art, namely plug and play can be realized without welding and connection on site, and the application prospect can be very wide along with the continuous maturity of the technology and the type.
The optical cable has high mechanical strength, is safe and reliable, and can meet the requirements of various conditions in normal laying.
Further, the utility model relates to an in the embodiment of the preferred of the multi-branch head optical cable of fuse-free fibre pre-plug, the adapter is provided with the internal thread, optical cable plug end is provided with the external screw thread, the external screw thread with the internal thread cooperatees and sets up, the adapter with optical cable plug end passes through the external screw thread with the internal thread is pegged graft together. The optical cable can be directly used in a plug and play mode and can communicate without welding. When the optical fiber connector is used, the optical fiber connector and the optical fiber connector are oppositely inserted, so that optical signal intercommunication can be realized, convenience and rapidness are realized, special equipment is not needed during construction, safety and reliability are realized, and the connector can reach the IP68 protection grade and is suitable for indoor and outdoor use. Because the connection mode is simple, the working time and the working space can be saved, and the labor cost is saved because not so many people are needed to work in a matching way.
Further, the utility model relates to an in the embodiment of the preferred of the multi-branch head optical cable of melting fibre pre-plug, optical cable branching unit 1 one end is the optical cable main push-towing rope, the optical cable input port links to each other with coupler one end, the other end of coupler is connected with a plurality of optic fibre.
Further, in the embodiment of the present invention, the optical cable connection unit 3 is connected to the optical cable main cables at one end of the optical cable branching unit 1, the optical cable connection unit 3 is connected to the optical cable main cables at one end thereof, and the optical cable connection unit 3 is connected to the optical cable main cable at one end thereof.
Furthermore, in the preferred embodiment of the optical cable with multiple branch heads of the pre-plug without melting the fiber, the structure of the main cable of the optical cable is a multi-core bundle-shaped circular lead-in, i.e. the tight-buffered fiber is used as a basic unit, twisted into a cable core, and wound with the non-metal reinforcing element.
TABLE 1 Cable Parameters
TABLE 1
Further, in the preferred embodiment of the optical cable with multiple taps and without pre-plugging the melting fiber, the main cable of the optical cable is wrapped with a low-smoke halogen-free sheath, two reinforcing members are symmetrically embedded in the sheath, and the connection line of the reinforcing members is perpendicular to the direction of passing through the center of the optical cable.
The utility model discloses this kind of exempt from to melt fine optical cable of many branches head of plug in advance rational in infrastructure, the ability reinforce of protection optic fibre accords with high intensive, the requirement of branching type, and optical cable sheath material adopts low smoke and zero halogen flame retardant polyolefin material, satisfies combustion behavior and environmental protection performance requirement. The optical cable type adopts the tight-sleeved optical fiber as a basic unit, so that the strength of the optical fiber can be enhanced, and the optical cable can be waterproof. The optical cable sheath is made of black low-smoke halogen-free flame-retardant polyolefin material, so that the optical cable sheath is attractive and elegant, meets the requirements of most indoor and outdoor dual-purpose cables, and more importantly meets the sunlight irradiation aging resistance of the optical cable. The optical cable adopts a branching type, introduces the concept of pre-connecting a serial plug, and can flexibly branch optical fibers at any position of the optical cable to be laid; two plugs are pre-connected to two ends of the branched optical fiber at the opening of the sheath to form a series optical path. The series plug can realize that: direct connection; connecting a section of optical fiber or link in series; some sensors are strung in. The pre-connected serial plugs are connected when leaving the factory, so that the plug connection is stable and reliable, the plug type can be selected at will, and the plug is flexible to use, plug and play and flexible and convenient.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A multi-branch-head optical cable of a pre-plug without melting fiber comprises an optical cable connector and an optical cable main cable, and is characterized in that the optical cable connector comprises an optical cable branching unit (1), an optical cable connecting unit (2) and an optical cable connecting unit (3); the optical cable branching unit (1) comprises an optical cable input port and a coupler; the optical cable connection unit (2) comprises an optical cable plug end and an adapter; the optical cable splicing unit (3) comprises a box body and a buckle; one end of the optical cable branching unit (1) is connected with the optical cable connecting unit (2), and the other end of the optical cable branching unit (1) is connected with the optical cable connecting unit (3).
2. The optical cable of claim 1, wherein the adapter is provided with an internal thread, the cable plug end is provided with an external thread, the external thread and the internal thread are cooperatively arranged, and the adapter and the cable plug end are plugged together through the external thread and the internal thread.
3. The optical cable with multiple branch heads of the pre-plug without melting fibers as claimed in claim 1, wherein one end of the optical cable branching unit (1) is an optical cable main cable, the optical cable input port is connected with one end of a coupler, and the other end of the coupler is connected with a plurality of optical fibers.
4. The optical cable with multiple branch heads of a pre-plug without melting fiber as claimed in claim 3, wherein one end of the optical cable connection unit (3) is connected to the optical cable main cables at one end of the optical cable branching unit (1), one end of the optical cable connection unit (3) forms an optical cable terminating end, and the optical cable terminating end is a free port for terminating the optical cable main cables.
5. The optical cable of claim 3, wherein the main cable is a multi-core bundle-like round lead-in cable, which is formed by twisting tight-buffered optical fibers as basic units into a cable core and winding non-metallic reinforcing elements around the cable core.
6. The optical cable with multiple taps of claim 5, wherein the main cable is wrapped with a low smoke and zero halogen sheath, two reinforcing members are symmetrically embedded in the sheath, and the sheath is symmetrically recessed in a direction perpendicular to the connecting line of the reinforcing members and passing through the center of the optical cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921797787.3U CN211123401U (en) | 2019-10-24 | 2019-10-24 | Multi-branch-head optical cable free of fiber melting pre-plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921797787.3U CN211123401U (en) | 2019-10-24 | 2019-10-24 | Multi-branch-head optical cable free of fiber melting pre-plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211123401U true CN211123401U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921797787.3U Active CN211123401U (en) | 2019-10-24 | 2019-10-24 | Multi-branch-head optical cable free of fiber melting pre-plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211123401U (en) |
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2019
- 2019-10-24 CN CN201921797787.3U patent/CN211123401U/en active Active
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