CN212364648U

CN212364648U - Optical fiber assembly for emission control system

Info

Publication number: CN212364648U
Application number: CN202021078981.9U
Authority: CN
Inventors: 杨溢
Original assignee: Xi'an Laikai Photoelectric Technology Co ltd
Current assignee: Xi'an Laikai Photoelectric Technology Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-01-15
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses an optical fiber assembly for launching control system, including the optic fibre circulator, lock pin bridge and adapter, the lock pin bridge includes metal body and ceramic lock pin, lock pin bridge and adapter looks adaptation are passed through to the one end of optic fibre circulator, be equipped with the first optical cable that is parallel to each other in the optic fibre circulator respectively, second optical cable and third optical cable, first optical cable, the tip of second optical cable and third optical cable all extends to the optic fibre circulator outside and is connected with first connector respectively, second connector and third connector, first optical cable, the outside of second optical cable and third optical cable all is equipped with the optical cable protective sheath, the same end of optical cable protective sheath and the tip fixed connection of optic fibre circulator, and crisscross being provided with a plurality of between two adjacent optical cable protective sheaths and preventing the kink structure. The utility model discloses the technical fault of the unstable or broken string of data transmission who has avoided appearing when the optic fibre line is tensile or bend has strengthened the anti ability of buckling of optic fibre greatly.

Description

Optical fiber assembly for emission control system

Technical Field

The utility model relates to an optical communication technical field, in particular to an optical fiber assembly for launching control system.

Background

Existing fiber optic assemblies for launch control systems are typically multi-fiber optical interface structures, which typically result in inefficient use of fiber and low transmission bandwidth. In the optical fiber communication, the cost of the optical fiber accounts for a great proportion of the total cost, if the use mode of the existing optical fiber can be changed, the optical signal is transmitted and received by adopting one optical fiber, the optical communication cost is greatly reduced, the equipment investment is saved, the optical fiber consumption is reduced, the system reliability is improved, and the optical fiber communication system has high industrial value.

In the prior art, when the optical cable is directly connected with the optical fiber equipment for output originally, when the optical cable is subjected to tension or repeatedly bent for many times, the optical cable is easily bent in the optical fiber equipment to influence data transmission, and even the optical fiber can be broken in serious conditions. This requires that the optical fiber structure should have a certain bending resistance and tensile resistance, and the technical defects of the precision optical fiber assembly in the prior art become technical problems to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an optical fiber assembly for a launch control system, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an optical fiber assembly for a launch control system comprises an optical fiber circulator, a ferrule bridge and an adapter, wherein the ferrule bridge comprises a metal pipe body and a ceramic ferrule, one end of the optical fiber circulator is matched with the adapter through the ferrule bridge, a first optical cable, a second optical cable and a third optical cable which are parallel to each other are respectively arranged in the optical fiber circulator, the end parts of the first optical cable, the second optical cable and the third optical cable extend to the outside of the optical fiber circulator and are respectively connected with a first connector, a second connector and a third connector, optical cable protective sleeves are respectively sleeved on the outer sides of the first optical cable, the second optical cable and the third optical cable, the same end of each optical cable protective sleeve is fixedly connected with the end part of the optical fiber circulator, a plurality of bending prevention structures are arranged between two adjacent optical cable protective sleeves in a staggered mode, each bending prevention structure comprises a groove formed in one side of each optical cable protective sleeve, the optical cable protective sleeve is characterized in that connecting shafts are rotatably connected to the inner walls of the two sides of the groove, connecting rods are movably sleeved on the outer walls of the connecting shafts, a T-shaped block is integrally connected to the tail ends of the connecting rods, a T-shaped groove is formed in the other side of the optical cable protective sleeve, and the T-shaped block is matched with the T-shaped groove.

Preferably, the T-shaped grooves are respectively arranged on the upper end face and the lower end face of the same optical cable protective sleeve in a staggered manner.

Preferably, one end of the metal pipe body is fixedly connected with the adapter through welding, and the other end of the metal pipe body is fixedly connected with the inner side of the optical fiber circulator through welding.

Preferably, the first optical cable, the second optical cable and the third optical cable are respectively connected with the optical fibers in the first connector, the second connector and the third connector in a mode of optical fiber fusion.

Preferably, both sides of the optical fiber circulator are fixedly connected with mounting rings.

Preferably, the first connector, the second connector and the third connector are each one of an MT connector or an MPO connector.

Compared with the prior art, the utility model discloses following beneficial effect has: the optical fiber assembly for the emission control system has the advantages that firstly, the ferrule bridge connector can realize the connection of the adapter and the optical fiber circulator, the structure of the whole optical fiber assembly is simple and compact, the size is small, the complexity of network wiring of the optical fiber assembly can be reduced, the optical cable protective sleeve can play a role in protecting a first optical cable, a second optical cable and a third optical cable and can also play a role in guiding the optical fiber assembly, the first optical cable, the second optical cable and the third optical cable can be connected with optical fibers in the optical fiber circulator, through the arrangement of the bending-resistant structure, when the optical fiber assembly is used, only the T-shaped block is embedded into the T-shaped groove, the bending-resistant capability and the stretching-resistant capability between two adjacent optical cable protective sleeves can be effectively enhanced, meanwhile, the T-shaped rod and the T-shaped block can freely move through the connecting shaft, the disassembly is convenient, the flexibility of the optical cable protective sleeve is greatly increased, and, the optical fiber cable bending device is convenient to operate, and the technical fault that data transmission is unstable or the cable is broken when the optical fiber cable is stretched or a certain program is bent is avoided.

Drawings

Fig. 1 is a schematic diagram of an overall structure of an optical fiber assembly for a launch control system according to the present invention;

FIG. 2 is a cross-sectional view of a ferrule bridge for a fiber optic assembly of a launch control system according to the present invention;

fig. 3 is an enlarged schematic structural diagram of a point a of the optical fiber assembly for the launch control system according to the present invention.

In the figure: 1. a fiber optic circulator; 2. a ferrule bridge; 3. an adapter; 4. a metal pipe body; 5. a ceramic ferrule; 6. a first optical cable; 7. a second optical cable; 8. a third optical cable; 9. a first connector; 10. a second connector; 11. a third connector; 12. an optical cable protective sheath; 13. an anti-buckling structure; 14. a groove; 15. a connecting shaft; 16. a connecting rod; 17. a T-shaped block; 18. a T-shaped slot; 19. and (7) installing a ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, an optical fiber assembly for a launch control system comprises an optical fiber circulator 1, a ferrule bridge 2 and an adapter 3, wherein the ferrule bridge 2 comprises a metal tube 4 and a ferrule 5, one end of the optical fiber circulator 1 is adapted to the adapter 3 through the ferrule bridge 2, a first optical cable 6, a second optical cable 7 and a third optical cable 8 which are parallel to each other are respectively arranged in the optical fiber circulator 1, ends of the first optical cable 6, the second optical cable 7 and the third optical cable 8 extend to the outside of the optical fiber circulator 1 and are respectively connected with a first connector 9, a second connector 10 and a third connector 11, optical cable protective sleeves 12 are respectively sleeved on the outside of the first optical cable 6, the second optical cable 7 and the third optical cable 8, the same end of the optical cable protective sleeve 12 is fixedly connected with the end of the optical fiber circulator 1, and adjacent two crisscross a plurality of bending-proof structure 13 that is provided with between the optical cable protective sheath 12, bending-proof structure 13 is including seting up in the recess 14 of optical cable protective sheath 12 one side, the both sides inner wall of recess 14 rotates and is connected with connecting axle 15, connecting rod 16 has been cup jointed in the outer wall activity of connecting axle 15, the terminal an organic whole of connecting rod 16 is connected with T-shaped piece 17, T-shaped groove 18 has been seted up to the opposite side of optical cable protective sheath 12, T-shaped piece 17 with T-shaped groove 18 looks adaptation.

In this embodiment, preferably, the T-shaped grooves 18 are respectively disposed on the upper end face and the lower end face of the same cable protective sheath 12 in a staggered manner.

In this embodiment, preferably, one end of the metal pipe 4 is fixedly connected to the adapter 3 by welding, and the other end is fixedly connected to the inner side of the optical fiber circulator 1 by welding.

In this embodiment, the first optical cable 6, the second optical cable 7 and the third optical cable 8 are preferably connected to the optical fibers in the first connector 9, the second connector 10 and the third connector 11 by optical fiber fusion splicing.

In this embodiment, it is preferable that both sides of the optical fiber circulator 1 are fixedly connected with mounting rings 19.

In this embodiment, it is preferable that the first connector 9, the second connector 10, and the third connector 11 are all one of MT connectors or MPO connectors.

It should be noted that, the present invention is an optical fiber assembly for launch control system, when in use, the ferrule bridge 2 can realize the connection between the adapter 3 and the optical fiber circulator 1, so that the structure of the whole optical fiber assembly is simple and compact, the volume is small, and the complexity of the network wiring of the optical fiber assembly can be reduced, the optical cable protective sleeves 12 can protect the first optical cable 6, the second optical cable 7 and the third optical cable 8, and can also play a guiding role to ensure that the first optical cable 6, the second optical cable 7 and the third optical cable 8 can be connected with the optical fibers in the optical fiber circulator 1, by providing the anti-bending structure 13, when in use, only the T-shaped block 17 is embedded into the T-shaped groove 18, the anti-bending capability and the anti-stretching capability between the two adjacent optical cable protective sleeves 12 can be effectively enhanced, and the T-shaped rod and the T-shaped block can freely move through the connecting shaft, convenient to detach has greatly increased optical cable protective sheath 12's flexibility, and whole optical fiber assembly for launching control system simple structure, convenient operation has avoided the technical fault of the unstable or broken string of data transmission that appears when the optic fibre line is tensile or certain procedure is bent.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A fiber optic assembly for a launch control system comprising a fiber optic circulator (1), a ferrule bridge (2), and an adapter (3), characterized in that: the ferrule bridge (2) comprises a metal tube body (4) and a ceramic ferrule (5), one end of the optical fiber circulator (1) is matched with the adapter (3) through the ferrule bridge (2), a first optical cable (6), a second optical cable (7) and a third optical cable (8) which are parallel to each other are respectively arranged in the optical fiber circulator (1), the end parts of the first optical cable (6), the second optical cable (7) and the third optical cable (8) extend to the outside of the optical fiber circulator (1) and are respectively connected with a first connector (9), a second connector (10) and a third connector (11), optical cable protective sleeves (12) are respectively sleeved on the outer sides of the first optical cable (6), the second optical cable (7) and the third optical cable (8), the same end of each optical cable protective sleeve (12) is fixedly connected with the end part of the optical fiber circulator (1), and adjacent two crisscross a plurality of structure (13) of preventing bending that is provided with between optical cable protective sheath (12), prevent structure (13) of bending including seting up in recess (14) of optical cable protective sheath (12) one side, the both sides inner wall of recess (14) rotates and is connected with connecting axle (15), connecting rod (16) have been cup jointed in the outer wall activity of connecting axle (15), the terminal body coupling of connecting rod (16) has T shape piece (17), T shape groove (18) have been seted up to the opposite side of optical cable protective sheath (12), T shape piece (17) with T shape groove (18) looks adaptation.

2. A fiber optic assembly for a launch control system according to claim 1, wherein: the T-shaped grooves (18) are respectively arranged on the upper end face and the lower end face of the same optical cable protective sleeve (12) in a staggered mode.

3. A fiber optic assembly for a launch control system according to claim 1, wherein: one end of the metal pipe body (4) is fixedly connected with the adapter (3) through welding, and the other end of the metal pipe body is fixedly connected with the inner side of the optical fiber circulator (1) through welding.

4. A fiber optic assembly for a launch control system according to claim 1, wherein: the first optical cable (6), the second optical cable (7) and the third optical cable (8) are respectively connected with optical fibers in the first connector (9), the second connector (10) and the third connector (11) in an optical fiber fusion mode.

5. A fiber optic assembly for a launch control system according to claim 1, wherein: and both sides of the optical fiber circulator (1) are fixedly connected with mounting rings (19).

6. A fiber optic assembly for a launch control system according to claim 1, wherein: the first connector (9), the second connector (10) and the third connector (11) are all one of MT connectors or MPO connectors.