CN213843610U

CN213843610U - 400G high-speed optical module internal connector

Info

Publication number: CN213843610U
Application number: CN202023349074.6U
Authority: CN
Inventors: 毕鹏军; 张孟勇; 江波; 陈曲; 汤榕煊
Original assignee: Shenzhen Bynet Communication Technology Co ltd
Current assignee: Shenzhen Bynet Communication Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-07-30
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a 400G high-speed optical module in-connection connector, which comprises a channel optical fiber, a 16-core MT ferrule and two 12-core Mini-MT ferrules; the 16-core MT ferrule is provided with a first plug-in end connected with a 16-channel interface of the optical module and a first connecting end for connecting a channel optical fiber; the first connecting end is provided with sixteen first optical channel interfaces for connecting channel optical fibers, the 12-core Mini-MT ferrule is provided with a second plugging end and a second connecting end, the second connecting end is provided with twelve second optical channel interfaces for connecting the channel optical fibers, the first connecting end is provided with a first groove, the first optical channel interfaces are located on the bottom surface of the first groove, the second connecting end is provided with a second groove, the second optical channel interfaces are located on the bottom surface of the second groove, the inner side wall of the first groove is provided with a first perspective window communicated with the outer side surface of the 16-core MT ferrule, the inner side wall of the second groove is provided with a second perspective window communicated with the outer side surface of the 12-core Mini-MT ferrule, and the 12-core Mini-MT ferrule is small in size and meets the requirement of a 400G optical module.

Description

400G high-speed optical module internal connector

Technical Field

The utility model relates to an optical communication technical field, in particular to connector in 400G high-speed optical module.

Background

The construction of 5G networks is an important part of the new national infrastructure, and the transmission rate of high-speed optical modules used in the core network and the bearer network is changing from 100G to 400G. The high-speed optical module is currently developed towards miniaturization, high density and low power consumption, and the manufacturability of the structural design and the universality of material selection are also considered to meet the cost requirement.

The connecting component in the high-speed optical module is an important component of the optical module, however, because the 400G high-speed optical module adopts an internal connection scheme of parallel 8-channel signal transmission and 8-channel signal reception, the internal narrow space, the complex manufacturing process and the high cost pressure, the traditional high-speed optical module can not meet the development requirement of the current 400G high-speed optical module.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connector in 400G high speed optical module to the not enough of prior art, this connector in 400G high speed optical module can solve above-mentioned problem well.

In order to meet the above requirements the utility model provides a technical scheme that its technical problem adopted is:

the connector comprises a channel optical fiber, a 16-core MT core insert and two 12-core Mini-MT core inserts; the 16-core MT ferrule is provided with a first plug-in end connected with a 16-channel interface of an optical module and a first connecting end for connecting the channel optical fiber; the optical fiber connector comprises a first connecting end, a 12-core Mini-MT ferrule and a second connecting end, wherein the first connecting end is provided with sixteen first optical channel interfaces for connecting a channel optical fiber, the 12-core Mini-MT ferrule is provided with the second plugging end and the second connecting end, the second connecting end is provided with twelve second optical channel interfaces for connecting the channel optical fiber, the first connecting end is provided with a first groove, the first optical channel interfaces are located on the bottom surface of the first groove, the second connecting end is provided with a second groove, the second optical channel interfaces are located on the bottom surface of the second groove, a first perspective window communicated with the outer side surface of the 16-core MT ferrule is arranged on the inner side wall of the first groove, and a second perspective window communicated with the outer side surface of the 12-core Mini-MT ferrule is arranged on the inner side wall of the second groove.

High-speed optical module in-connection connector of 400G, wherein, encircle on the first connection end first recess is equipped with cofferdam structure.

High-speed optical module in-connection connector of 400G, wherein, be equipped with the first position platform of ending on the first link, it ends the position platform to be equipped with the second on the second link.

400 high-speed optical module in-connection connector of G, wherein, be equipped with first location and perforate along its plug direction in the 16 core MT lock pin, first location is perforated and is equipped with two and sets up respectively the both sides of first recess, be equipped with second location and perforate along its plug direction on the 12 core Mini-MT lock pin, second location is perforated and is equipped with two and sets up respectively the both sides of second recess.

400 high-speed optical module in-connection connector of G, wherein, sixteen first light channel interface and twelve the second light channel interface all is a font and arranges, passageway optic fibre is equipped with sixteen roots and is a font and arranges, every adjacent four passageway optic fibre is constituteed a set ofly, four groups wherein in the passageway optic fibre is two sets ofly the length of passageway optic fibre is greater than another two sets ofly the length of passageway optic fibre, two sets of longer passageway optic fibre and one 12 core Mini-MT lock pins are connected, and are two sets of shorter passageway optic fibre and another 12 core Mini-MT lock pins are connected.

High-speed optical module in-connection connector of 400G, wherein, two sets of longer passageway optic fibre and two sets of shortages passageway optic fibre sets up in turn.

The beneficial effects of the utility model reside in that: the utility model discloses a 400G high-speed optical module in-connection connector, including 16 core MT lock pins and two 12 core Mini-MT lock pins and channel optical fibers, wherein two 12 core Mini-MT lock pins only use 8 channels, 16 core MT lock pins are connected with 16 channel interfaces of an optical module, two 12 core Mini-MT lock pins are respectively connected with two 8 channel interfaces of the optical module, the transmission rate of each channel is 50G, thereby realizing the transmission rate of 400G bit/s, the 12 core Mini-MT lock pins are small in size and less than one half of the volume of the traditional lock pins, thereby meeting the miniaturization requirement of the 400G optical module, the production process of the 12 core Mini-MT lock pins is basically the same as that of the 16 core MT lock pins, the production can be carried out on the same production line, a manufacturer does not need to introduce new equipment and a production line, the resource integration is facilitated, the material turnover time is reduced, the production efficiency is improved, the equipment cost and the production cost are reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

fig. 1 is an overall schematic diagram of a connector in a 400G high-speed optical module according to the present invention.

Fig. 2 is another view of the connector in the 400G high-speed optical module according to the present invention.

Fig. 3 is a bird's eye view of the whole structure of the connector in the 400G high-speed optical module of the present invention.

Fig. 4 is an enlarged view of a 12-core Mini-MT ferrule of the connector in the 400G high-speed optical module of the present invention.

Fig. 5 is a top view of the connector in the 400G high-speed optical module according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The connector in the 400G high-speed optical module according to the preferred embodiment of the present invention, as shown in fig. 1-5, includes a channel fiber 1, a 16-core MT ferrule 2, and two 12-core Mini-MT ferrules 3; the 16-core MT ferrule 2 is provided with a first plug-in end 4 connected with a channel interface of the optical module 16 and a first connecting end 5 connected with the channel optical fiber 1; sixteen first optical channel interfaces 6 for connecting the channel optical fiber 1 are arranged on the first connecting end 5, a 12-core Mini-MT ferrule 3 is provided with a second plugging end 7 and a second connecting end 8, twelve second optical channel interfaces 9 for connecting the channel optical fiber 1 are arranged on the second connecting end 8, a first groove is arranged on the first connecting end 5, the first optical channel interface 6 is positioned on the bottom surface of the first groove (not shown), a second groove 11 is arranged on the second connecting end 8, the second optical channel interface 9 is positioned on the bottom surface of the second groove 11, a first perspective window 12 communicated with the outer side surface of the 16-core MT ferrule 2 is arranged on the inner side wall of the first groove to conveniently observe the plugging condition of the channel optical fiber 1, a second perspective window 13 communicated with the outer side surface of the 12-core Mini-MT ferrule 3 is arranged on the inner side wall of the second groove 11 to conveniently observe the plugging condition of the channel optical fiber 1, the utility model discloses a 400G high-speed optical module in-connection connector, including 16 core MT lock pin 2 and two 12 core Mini-MT lock pins 3 and channel fiber 1, wherein two 12 core Mini-MT lock pins 3 only use 8 channels, 16 core MT lock pin 2 is connected with 16 channel interface of optical module, two 12 core Mini-MT lock pins 3 are respectively connected with two 8 channel interface of optical module, the transmission rate of each channel is 50G, thereby realizing the transmission rate of 400G bit/s, 12 core Mini-MT lock pin 3 has high precision, positioning is accurate, no on-line coupling is needed during connection, not only accords with the performance requirement of optical module manufacturer, but also improves the production efficiency, reduces the production cost, 12 core Mini-MT 3 has small volume, is less than one half of the volume of the traditional lock pin, therefore accords with the miniaturized requirement of 400G optical module, the production process of 12 core Mini-MT lock pin 3 is basically the same as 16 core MT 2, the production can be carried out on the same production line, new equipment and a production line are not required to be introduced by a manufacturer, resource integration is facilitated, material turnover time is shortened, production efficiency is improved, and equipment cost and production cost are reduced.

Preferably, a cofferdam structure 14 is provided on the first connection end 5 around the first groove to provide protection for the channel fiber 1.

Preferably, the first connecting end 5 is provided with a first stop table 15, which plays a role of clamping and positioning when the 12-core Mini-MT ferrule 3 is plugged onto the channel interface of the optical module 16, and the second connecting end 8 is provided with a second stop table 16, which plays a role of clamping and positioning when the 12-core Mini-MT ferrule 3 is plugged onto the channel interface of the optical module 8, so as to prevent over-insertion or under-insertion.

Preferably, 16 core MT lock pins 2 are internally provided with two first positioning through holes 17 along the plugging direction, the two first positioning through holes 17 are respectively arranged at two sides of the first groove, and are specifically arranged at two sides of the

cofferdam structure

14, 12 core Mini-MT lock pins 3 are provided with two second positioning through holes 18 along the plugging direction, and the two second positioning through holes 18 are respectively arranged at two sides of the second groove 11, so that the two second positioning through holes can be conveniently fixed at a fixed position through fixing screws.

Preferably, sixteen first optical channel interfaces 6 and twelve second optical channel interfaces 9 are arranged in a straight line, the channel optical fibers 1 are provided with sixteen and arranged in a straight line, each adjacent four channel optical fibers 1 form a group, the lengths of two groups of channel optical fibers 1 in the four groups of channel optical fibers 1 are greater than the lengths of the other two groups of channel optical fibers 1, two groups of longer channel optical fibers 1 in the four groups of channel optical fibers 1 are connected with one 12-core Mini-MT ferrule 3, and two groups of shorter channel optical fibers 1 in the four groups of channel optical fibers 1 are connected with the other 12-core Mini-MT ferrule 3 so as to match the distance between the respective plugging positions of the two 12-core Mini-MT ferrules 3 and the 16-core MT ferrule 2.

Preferably, two sets of longer channel fiber 1 and two sets of shorter channel fiber 1 set up in turn, and in the actual installation environment, two 12 core Mini-MT lock pins 3 are the upper and lower position relation, and the deformation direction that can comply channel fiber 1 with corresponding channel fiber 1 arranges in turn, reduces stress, avoids channel fiber 1 to twist round and twist and leads to the circuit confusion, has also avoided the crack to appear in the connection of channel fiber 1 and the light channel interface that sets up side by side simultaneously.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. A400G high-speed optical module internal connector is characterized by comprising a channel optical fiber, a 16-core MT inserting core and two 12-core Mini-MT inserting cores; the 16-core MT ferrule is provided with a first plug-in end connected with a 16-channel interface of an optical module and a first connecting end for connecting the channel optical fiber; the optical fiber connector comprises a first connecting end, a 12-core Mini-MT ferrule and a second connecting end, wherein the first connecting end is provided with sixteen first optical channel interfaces for connecting a channel optical fiber, the 12-core Mini-MT ferrule is provided with the second plugging end and the second connecting end, the second connecting end is provided with twelve second optical channel interfaces for connecting the channel optical fiber, the first connecting end is provided with a first groove, the first optical channel interfaces are located on the bottom surface of the first groove, the second connecting end is provided with a second groove, the second optical channel interfaces are located on the bottom surface of the second groove, a first perspective window communicated with the outer side surface of the 16-core MT ferrule is arranged on the inner side wall of the first groove, and a second perspective window communicated with the outer side surface of the 12-core Mini-MT ferrule is arranged on the inner side wall of the second groove.

2. The connector of claim 1, wherein a dam structure is disposed on the first connecting end around the first groove.

3. The connector of claim 2, wherein a first stop is disposed on the first connecting end, and a second stop is disposed on the second connecting end.

4. The connector of claim 1, wherein the 16-core MT ferrule has two first positioning holes disposed along the insertion direction, and the two first positioning holes are disposed on two sides of the first groove, respectively, and the 12-core Mini-MT ferrule has two second positioning holes disposed along the insertion direction, and the two second positioning holes are disposed on two sides of the second groove, respectively.

5. The connector of claim 1, wherein sixteen first optical channel interfaces and twelve second optical channel interfaces are arranged in a line, sixteen channel fibers are arranged in a line, each adjacent four channel fibers form a group, two of the four groups of channel fibers have a length greater than that of the other two groups of channel fibers, two longer groups of channel fibers are connected to one 12-core Mini-MT ferrule, and two shorter groups of channel fibers are connected to the other 12-core Mini-MT ferrule.

6. The connector of claim 5, wherein two sets of longer channel fibers alternate with two sets of shorter channel fibers.