CN218272809U

CN218272809U - Optical fiber connecting assembly of high-speed optical module

Info

Publication number: CN218272809U
Application number: CN202222811220.5U
Authority: CN
Inventors: 汪洋; 毕鹏军; 江波; 汤岳云; 张孟勇
Original assignee: Shenzhen Bynet Communication Technology Co ltd
Current assignee: Shenzhen Bynet Communication Technology Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-01-10
Anticipated expiration: 2032-10-24

Abstract

The utility model relates to an optical fiber connecting component of a high-speed optical module, which comprises a channel optical fiber group, a first inserting core and two second inserting cores; the channel fiber group is connected on the connecting end of first lock pin, the channel fiber group is two sets of and connects respectively on the connecting end of two second lock pins, be equipped with the inclined plane on the terminal surface of the grafting end of first lock pin and/or second lock pin, the inclined plane is X with the contained angle of the extension face of terminal surface, the value scope of X is 8 +/-0.2, this optical fiber coupling assembling is small, the capacity is high, transmission rate is fast, can satisfy the communication connection of the high-speed optical module of 200G of present mainstream, and set up the inclined plane and can reduce return loss, fine improvement in the aspect of technology and performance has been played.

Description

Optical fiber connecting assembly of high-speed optical module

Technical Field

The utility model relates to an optical communication technical field, in particular to optical fiber connection assembly of high-speed optical module.

Background

In terms of communication, data centers play an undeletable role. The data center is a set of complex facilities, the high-speed optical module is widely applied as a core device for realizing photoelectric conversion, the development trend of the high-speed optical module is to be developed towards a long distance and a high speed, the data center mainly adopts a large-scale and ultra-large-scale structure, and the large-scale data center framework is gradually developed from original 10G,40G and 100G to 100G,200G and 400G. At present, the mobile user has the most main requirement for the mobile network to be high transmission rate, and in order to meet the user requirement, the mobile network has been developed to 5G, the intermediate transmission rate is 100Gbit/s, and the slew rate is 200G/400G. The 5G key performance mainly includes user experience rate, connection number density, end-to-end delay, flow density, mobility and user peak rate, wherein a large number of 100G/200G/400G high-speed high-density low-loss parallel optical connection assemblies need to be used, and the optical fiber connection assembly of the high-speed optical module, as one of core components, also meets a large amount of market demands, so that in order to meet the market demands, an optical fiber connection assembly of the high-speed optical module is specially proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-speed optical module's optical fiber connection subassembly to prior art not enough, this high-speed optical module's optical fiber connection subassembly 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 optical fiber connecting assembly of the high-speed optical module comprises a channel optical fiber group, a first inserting core and two second inserting cores; the channel optical fiber group is connected to the connecting end of the first ferrule, the channel optical fiber group is divided into two groups and respectively connected to the connecting ends of the two second ferrules, the end face of the inserting end of the first ferrule and/or the second ferrule is provided with an inclined plane, the included angle between the inclined plane and the extending surface of the end face is X, and the value range of the X is 8 degrees +/-0.2 degrees.

Optical fiber connection subassembly of high-speed optical module, wherein, still be equipped with plane portion on the grafting end terminal surface of second lock pin, plane portion and correspond with it the inclined plane forms jointly the grafting end terminal surface of second lock pin, the width of plane portion is 1mm.

Optical fiber connection subassembly of high-speed optical module, wherein, still be equipped with first gluey window on the lateral wall of second lock pin, plane portion is located first gluey window with the second lock pin corresponds between the inclined plane, the second lock pin corresponds the inclined plane orientation deviates from the direction of first gluey window.

Optical fiber connection subassembly of high-speed optical module, wherein, on the first lock pin the inclined plane forms the whole terminal surface of the grafting end of first lock pin, first lock pin corresponds be equipped with the grafting guide foot on the inclined plane, the grafting guide foot is equipped with two and locates respectively both ends about first lock pin.

Optical fiber connection subassembly of high-speed optical module, wherein, be equipped with the second on the lateral wall of first lock pin and glue the window, on the first lock pin the inclined plane orientation one side of window is glued to the second.

The optical fiber connecting assembly of the high-speed optical module of the utility model is characterized in that the channel optical fiber groups are divided into two groups, each group comprises two channel optical fiber units, and each channel optical fiber unit comprises a plurality of channel optical fibers; the four channel optical fiber units are arranged on the connecting end of the first inserting core side by side and are respectively connected with the two second inserting cores in sequence and alternately along the arrangement direction.

High speed optical module's optical fiber connection subassembly, wherein, two in the second lock pin, one of which the second lock pin is connected the passageway fiber length of first lock pin is greater than another the second lock pin is connected the passageway fiber length of first lock pin.

The beneficial effects of the utility model reside in that: the optical fiber connecting assembly is small in size, high in capacity and high in transmission rate, can meet the requirement of communication connection of a 200G high-speed optical module which is mainstream at present, can reduce return loss by arranging the inclined plane, and achieves good improvement on the aspects of process and performance.

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 the utility model discloses high-speed optical module's optical fiber connection subassembly's overall structure birds-eye view.

Fig. 2 is an enlarged view of a portion of the structure of fig. 1.

Fig. 3 is a side view of the optical fiber connection assembly of the high-speed optical module of the present invention.

Detailed Description

The terms "first," "second," "third," and "fourth," etc. in the description and claims of the invention and in the accompanying drawings are used for distinguishing between different elements and not for describing a particular sequential order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

"plurality" means two or more. "and/or" describes the association relationship of the associated object, indicating that there may be three relationships, for example, a and/or B, which may indicate: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

Also, the terms "upper, lower, left, right, upper, lower, longitudinal" and the like, which denote orientation, are used with reference to the attitude and position of the device or apparatus in the present disclosure during normal use.

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 optical fiber connection assembly of the high-speed optical module of the preferred embodiment of the present invention, as shown in fig. 1-3, includes a channel optical fiber set 1, a first ferrule 2 and two second ferrules 3, wherein the first ferrule 2 is a 16FMT ferrule, the second ferrule 3 is a miniaturized MT ferrule, the first ferrule 2 is connected to an external optical fiber connector of the optical module, and the two second ferrules 3 are connected to an internal chip structure of the optical module; the channel optical fiber group 1 is connected to the connecting end of the first ferrule 2, the channel optical fiber group 1 is divided into two groups and respectively connected to the connecting ends of the two second ferrules 3, the end faces of the plugging ends of the first ferrule 2 and/or the second ferrule 3 are provided with inclined faces 4, the scheme preferably selects the arrangement mode that the inclined faces 4 are respectively arranged on the end faces of the plugging ends of the first ferrule 2 and the second ferrule 3, specifically, the included angle between the inclined face 4 on the second ferrule 3 and the extension face of the end face of the plugging end of the second ferrule 3 is X, the included angle between the inclined face 4 on the first ferrule 2 and the extension face of the end face of the plugging end of the first ferrule 2 is also X, and the value range of X is 8 +/-0.2 degrees; the optical fiber connecting assembly is small in overall size, high in capacity and high in transmission rate, wherein in the channel optical fiber design of 16 channels, 8 channels are used for transmitting end signal transmission, the other 8 channels are used for receiving end signal transmission, each channel adopts 25G transmission rate, and the total amount of the channels is 200G, so that the communication connection of the currently mainstream 200G high-speed optical module can be met, the inclined surface 4 is arranged, the return loss can be reduced, and the fine process and the improvement in performance are achieved.

Preferably, the end face of the insertion end of the second ferrule 3 is further provided with a planar portion 3a, the planar portion 3a and an inclined surface 4 corresponding to the planar portion 3a, that is, the inclined surface 4 on the second ferrule 3, together form an end face 31 of the insertion end of the second ferrule 3, the planar portion 3a is arranged side by side with the inclined surface 4, specifically, the side wall of the second ferrule 3 is further provided with a first glue window 5 so as to facilitate observation of the butt joint condition of the sockets during optical fiber assembly, the planar portion 3a is located between the first glue window 5 and the inclined surface 4 corresponding to the second ferrule 3, the inclined surface 4 corresponding to the second ferrule 3 faces a direction deviating from the first glue window 5, wherein the width of the planar portion 3a in the direction parallel to the inclined surface 4 is 1mm, a platform face with a width of 1mm is required to be left on the upper half portion of the end face, and the design can be well coupled with an optical module device.

Preferably, the inclined plane 4 on the first ferrule 2 forms the whole end surface of the plugging end of the first ferrule 2, the inclined plane 4 is provided with two plugging guide pins 6, and the two plugging guide pins 6 are respectively arranged at the left end and the right end of the first ferrule 2 to play a role in guiding plugging.

Preferably, be equipped with second glue window 7 on the lateral wall of first lock pin 2 to observe the butt joint condition of socket when assembling optic fibre, inclined plane 4 on the first lock pin 2 is towards one side of second glue window 7, sets up inclined plane 4 and does not light and play and avoid return loss, but also can play the effect of direction grafting.

Preferably, the channel fiber groups 1 are divided into two groups, and each group includes two channel fiber units 1a, specifically, the channel fiber group 1 includes 16 channel fibers, and each channel fiber unit 1a includes a plurality of channel fibers a1, specifically 4; four passageway fiber unit 1a are arranged side by side on the link end of first lock pin 2, and along arranging the direction respectively with two second lock pins 3 in proper order alternate connection, also from the left side to the optical fiber on the right odd number position is connected with one of them second lock pin 3, the optical fiber on the even number position is connected with another second lock pin 3, and the comparison is avoided the unilateral side to divide equally two sets of in two second lock pins and is connected, and the fault-tolerant rate of connecting the communication can be promoted to this mode of arranging, also more makes things convenient for the non-defective products test before the warehouse-out.

Preferably, in the two second ferrules 3, the length of the channel fiber of one second ferrule 3 connected to the first ferrule 2 is greater than the length of the channel fiber of the other second ferrule 3 connected to the first ferrule 2, so as to identify and butt the corresponding interface, and avoid misconnection.

It will be understood that modifications and variations are possible to those skilled in the art in light of the above teachings and that all such modifications and variations are considered to be within the purview of the invention as set forth in the appended claims.

Claims

1. The optical fiber connecting assembly of the high-speed optical module is characterized by comprising a channel optical fiber group, a first inserting core and two second inserting cores; the channel optical fiber group is connected to the connecting end of the first ferrule, the channel optical fiber group is divided into two groups and respectively connected to the connecting ends of the two second ferrules, the end face of the inserting end of the first ferrule and/or the second ferrule is provided with an inclined plane, the included angle between the inclined plane and the extending surface of the end face is X, and the value range of the X is 8 degrees +/-0.2 degrees.

2. The optical fiber connection assembly of the high-speed optical module according to claim 1, wherein a planar portion is further disposed on the insertion end surface of the second ferrule, the planar portion and the corresponding inclined surface together form the insertion end surface of the second ferrule, and the width of the planar portion is 1mm.

3. The optical fiber connection assembly of the high-speed optical module according to claim 2, wherein a first glue window is further disposed on a sidewall of the second ferrule, the planar portion is located between the first glue window and the inclined surface corresponding to the second ferrule, and the inclined surface corresponding to the second ferrule faces a direction away from the first glue window.

4. The optical fiber connection assembly of claim 1, wherein the inclined surface of the first ferrule forms an entire end surface of the insertion end of the first ferrule, the inclined surface corresponding to the first ferrule is provided with two insertion guide pins, and the two insertion guide pins are respectively disposed at left and right ends of the first ferrule.

5. The optical fiber connection assembly of the high-speed optical module according to claim 1 or 4, wherein a second glue window is disposed on a sidewall of the first ferrule, and the inclined surface on the first ferrule faces one side of the second glue window.

6. The fiber optic connection assembly of a high-speed optical module of claim 1, wherein the channel fiber groups are divided into two groups each comprising two channel fiber units, the channel fiber units comprising a plurality of channel fibers; the four channel optical fiber units are arranged on the connecting end of the first inserting core side by side and are respectively connected with the two second inserting cores in sequence and alternately along the arrangement direction.

7. The fiber optic connection assembly of the high-speed optical module according to claim 6, wherein the length of the channel fiber of one of the second ferrules connected to the first ferrule is greater than the length of the channel fiber of the other second ferrule connected to the first ferrule.