CN217718172U

CN217718172U - QSFP-DD one-in-many QSFP high-speed active optical cable

Info

Publication number: CN217718172U
Application number: CN202221853045.XU
Authority: CN
Inventors: 龚本晨; 孙莉萍; 孙洪君; 刘世安; 盛于邦
Original assignee: Accelink Technologies Co Ltd; Wuhan Telecommunication Devices Co Ltd
Current assignee: Accelink Technologies Co Ltd; Wuhan Telecommunication Devices Co Ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-11-01
Anticipated expiration: 2032-07-18

Abstract

The utility model relates to an optical communication technical field especially relates to a QSFP-DD one minute multiple QSFP high-speed active optical cable, including QSFP-DD optical module subassembly, a plurality of QSFP optical module subassembly and one minute multiple transmission optical cable, one minute multiple transmission optical cable includes soft tail cover, a plurality of pyrocondensation pipe and sleeve, and the one end of a plurality of pyrocondensation pipe inserts the one end of soft tail cover, and the other end of soft tail cover is connected with an optical cable, and the other end of a plurality of pyrocondensation pipes connects an optical cable respectively, and the sleeve cup joints at the junction of soft tail cover and a plurality of pyrocondensation pipe; the other end of the optical cable connected with the soft tail sleeve in the one-to-many transmission optical cable is connected with the QSFP-DD optical module assembly, and the other ends of the optical cables connected with the heat shrinkable tubes in the one-to-many transmission optical cable are correspondingly connected with the QSFP-DD optical module assemblies one by one. The utility model discloses adaptation data center market high density that can be better, high speed, the demand of nimble collocation, just the utility model discloses a structural design makes it have more the high reliability.

Description

QSFP-DD one-in-many QSFP high-speed active optical cable

Technical Field

The utility model relates to an optical communication technical field especially relates to a QSFP-DD one minute multiple QSFP high-speed active optical cable.

Background

With the development of the internet in recent years, the number of internet users, application types, network bandwidth and the like all show explosive growth, and great influence is generated on the society and the life of people. The development of point-to-point technologies, online video, social networking, and mobile networking is continuously engulping network bandwidth. Meanwhile, with the rapid development of technologies such as cloud computing and big data, a cloud network with a super data center as a core has more urgent requirements on bandwidth, and in the face of the situation, a one-to-many high-speed active optical cable with high density, high reliability and high speed and capable of being flexibly matched is urgently needed in the field so as to meet the development requirements of the times.

In view of the above, how to overcome the defects existing in the prior art and how to satisfy the above requirements is an urgent problem to be solved in the technical field.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an one of the purpose lies in satisfying among the prior art to high density, high reliability, high speed, the demand of the one minute or more high-speed active optical cable that can arrange in a flexible way, provides a QSFP-DD one minute or more QSFP high-speed active optical cable, adopts the interconnection of two kinds of different encapsulation ports of QSFP-DD and QSFP, adaptation data center market high density that can be better, high speed, the demand of arranging in a flexible way, just the utility model discloses a structural design makes it have more high reliability.

The utility model discloses a realize like this:

the utility model provides a QSFP-DD one-in-many QSFP high-speed active optical cable, including QSFP-DD optical module subassembly, a plurality of QSFP optical module subassembly and one-in-many transmission optical cable, one-in-many transmission optical cable includes soft tail cover, a plurality of pyrocondensation pipe and sleeve, and a plurality of one end of pyrocondensation pipe is inserted the one end of soft tail cover, the other end of soft tail cover is connected with an optical cable, and an optical cable is connected respectively to a plurality of the other end of pyrocondensation pipe, the sleeve cup joints the junction of soft tail cover and a plurality of pyrocondensation pipe; the other end of the optical cable connected with the soft tail sleeve in the one-to-many transmission optical cable is connected with the QSFP-DD optical module component, and the other ends of a plurality of optical cables connected with a plurality of heat shrinkable tubes in the one-to-many transmission optical cable are correspondingly connected with a plurality of QSFP optical module components one by one.

Further, the QSFP-DD optical module component comprises a QSFP-DD optical transmission component and a QSFP-DD optical reception component, wherein:

the QSFP-DD optical transmission component is used for converting the electric signal into an optical signal and transmitting the optical signal;

the QSFP-DD optical receiving component is used for receiving optical signals sent by the QSFP optical module component and converting the optical signals into electrical signals.

Furthermore, the QSFP-DD light emitting assembly comprises eight groups of laser assemblies and eight paths of laser emission driving circuits, and the eight groups of laser assemblies are connected with the eight paths of laser emission driving circuits in a one-to-one correspondence manner.

Furthermore, the QSFP-DD optical receiving component comprises eight groups of detector components and eight paths of transimpedance amplifier circuits, and the eight groups of detector components are connected with the eight paths of transimpedance amplifier circuits in a one-to-one correspondence manner.

Further, the QSFP optical module component includes a QSFP light emitting component and a QSFP light receiving component, in which:

the QSFP optical transmission component is used for converting the electric signal into an optical signal and transmitting the optical signal;

the QSFP optical receiving component is used for receiving the optical signal sent by the QSFP-DD optical module component and converting the optical signal into an electrical signal.

Furthermore, the QSFP optical emission component comprises two groups of laser components and two laser emission driving circuits, and the two groups of laser components are connected with the two laser emission driving circuits in a one-to-one correspondence manner.

Furthermore, the QSFP optical receiving component comprises two groups of detector components and two paths of transimpedance amplifier circuits, and the two groups of detector components are connected with the two paths of transimpedance amplifier circuits in a one-to-one correspondence mode.

Furthermore, the QSFP optical module assemblies and the heat shrinkable tubes are two or four in number.

Furthermore, the sleeve adopts a circular structure anti-pulling design; 16 cores in each optical cable are arranged in a circular shape; the soft tail sleeve is designed by adopting a lengthened spiral structure.

Further, the optical interfaces of the QSFP-DD optical module assembly and the QSFP optical module assembly are directly connected with an optical cable by using an MT/MINI MT/JUNMPER optical interface optical fiber connector.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a QSFP-DD one minute multiple QSFP high-speed active optical cable, QSFP-DD end and QSFP end can deal with the use of data center mainstream port, regard as QSFP-DD/QSFP encapsulation simultaneously, the speed dilatation of compatible follow-up product. The requirements of high density, high speed and flexible collocation of the optical module in the market are met.

The soft tail sleeve of the one-to-many transmission optical cable adopts a spiral structure design, so that the side tension of the optical cable is improved, the bending angle of the tail end of the product is increased, the overall stability of the product is improved, and the application scene of a terminal client is better adapted.

The optical interface of the QSFP-DD/QSFP optical module component can be directly connected with a transmission optical cable by using an MT/MINI MT/JUNMPER optical interface optical fiber connector, so that the optical path reflection in an optical path link can be optimized, the optical link loss is reduced, and more stable optical transmission performance is provided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that 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 according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a QSFP-DD one-to-many QSFP high-speed active optical cable according to an embodiment of the present invention;

fig. 2 is a schematic view of a one-to-many transmission optical cable structure according to an embodiment of the present invention;

FIG. 3 is a schematic view of a soft tail sleeve with an elongated spiral structure according to an embodiment of the present invention;

fig. 4 is a schematic view of another angle structure of the soft tail sleeve provided by the embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a soft tail sleeve provided in an embodiment of the present invention;

fig. 6 is a schematic diagram of an optical path interface and an optical cable connection provided in an embodiment of the present invention;

fig. 7 is a schematic diagram of a QSFP-DD/QSFP end photoelectric conversion principle according to an embodiment of the present invention.

Detailed Description

In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Example 1

As shown in fig. 1 and referring to fig. 2, embodiment 1 of the present invention provides a QSFP-DD one-to-many QSFP high-speed active optical cable, including a QSFP-DD optical module assembly 1, a plurality of QSFP optical module assemblies 2 and a one-to-many transmission optical cable 3, where the one-to-many transmission optical cable 3 includes a pigtail sleeve 301, a plurality of heat-shrinkable tubes 302 and a sleeve 303, one end of the plurality of heat-shrinkable tubes 302 is inserted into one end of the pigtail sleeve 301, the other end of the pigtail sleeve 301 is connected to an optical cable, the other end of the plurality of heat-shrinkable tubes 302 is connected to an optical cable, and the sleeve 303 is sleeved at a connection between the pigtail sleeve 301 and the plurality of heat-shrinkable tubes 302; the other end of the optical cable connected with the soft tail sleeve 301 in the one-to-many transmission optical cable 3 is connected with the QSFP-DD optical module component 1, and the other ends of a plurality of optical cables connected with a plurality of heat shrink tubes 302 in the one-to-many transmission optical cable 3 are connected with a plurality of QSFP optical module components 2 in a one-to-one correspondence manner.

In the preferred embodiment, the number of QSFP optical module assemblies 2 and heat shrink tubes 302 is the same and preferably two or four. For example, the QSFP optical module assemblies 2 shown in fig. 1 are four, that is, the one-to-many transmission cable 3 is a one-to-four transmission cable, and the number of the corresponding heat shrinkable tubes 302 is also four; for example, if the one-to-many transmission cable 3 shown in fig. 2 is a one-to-two transmission cable and the number of heat shrinkable tubes 302 is two, the number of corresponding QSFP optical module assemblies 2 is two.

In the preferred embodiment, the one-to-many transmission cable 3 uses OM2/OM3/OM4 optical fiber, up to 100 meters. Referring to fig. 2, the sleeve 303 of the one-in-many transmission cable 3 is designed to be anti-pulling in a circular structure, two sides of the sleeve are respectively connected with the soft tail sleeve 301 and the heat shrink tube 302, the soft tail sleeve 301 and the heat shrink tube 302 are respectively connected with the optical cables, 16 cores in each optical cable are arranged in a circular shape, if a one-in-two transmission cable is adopted, 32 cores can be formed, and if a one-in-four transmission cable is adopted, 64 cores can be formed. In the product use, soft tail cover 301 can guarantee that the optical cable possesses certain elasticity when using, reduces the tensile force in the optical cable use. The heat shrink tube 302 can increase the activity space of the optical cable branch in the splitter, and plays a certain role in protecting the bending of the optical cable.

Referring to fig. 3, 4 and 5, in the preferred embodiment, the soft tail sleeve 301 adopts an elongated spiral structure design, so that the side tension of the optical cable and the bending angle of the tail end of the product can be improved, the overall stability of the product can be improved, and the application scenario of the end client can be better adapted. Referring to fig. 5, the end of the soft tail sleeve 301 is a trapezoid structure to facilitate the insertion of the heat shrinkable tube 302 and then the compression at the smaller diameter, and the movement at the larger diameter.

Referring to fig. 6 and 7, in the preferred embodiment, the optical interfaces of QSFP-DD optical module assembly 1 and QSFP optical module assembly 2 are directly connected to the optical cable using MT/MINI MT/JUNMPER optical interface fiber connectors, which can optimize optical path reflection in the optical path link, reduce optical link loss, and provide more stable optical transmission performance. Referring to fig. 6, wherein a represents an optical module assembly mounted circuit board, B represents QSFP-DD optical module assembly 1 or QSFP optical module assembly 2,C represents an optical cable, and D represents an MT/MINI MT/JUNMPER optical interface fiber connector.

Fig. 7 is to be described first, and may show the photoelectric conversion principle of QSFP-DD optical module assembly 1, or may show the photoelectric conversion principle of QSFP optical module assembly 2. When the photoelectric conversion principle of the QSFP-DD optical module assembly 1 is shown, the light emitting assembly in fig. 7 is a QSFP-DD light emitting assembly, and the light receiving assembly is a QSFP-DD light receiving assembly; in order to show the photoelectric conversion principle of the QSFP optical module assembly 2, the light emitting assembly in fig. 7 is a QSFP light emitting assembly, and the light receiving assembly is a QSFP light receiving assembly.

Referring to fig. 7, in the present preferred embodiment, the QSFP-DD optical module assembly 1 includes a QSFP-DD optical transmission component and a QSFP-DD optical reception component, in which: the QSFP-DD optical transmission component is used for converting the electric signal into an optical signal and transmitting the optical signal; the QSFP-DD optical receiving component is used for receiving optical signals sent by the QSFP optical emitting component of the QSFP optical module component 2 and converting the optical signals into electric signals. The output and input optical signal functions of the QSFP-DD optical module assembly 1 of the embodiment are realized by an MT/MINI MT/JUNMPER optical interface optical fiber connector arranged on the QSFP-DD optical module assembly.

In this preferred embodiment, the QSFP-DD light emitting assembly includes eight sets of laser assemblies and eight laser emission driving circuits, and the eight sets of laser assemblies and the eight laser emission driving circuits are connected in a one-to-one correspondence. Specifically, referring to fig. 7, a laser module 1 is connected to a laser emission driving circuit 1, a laser module 2 is connected to a laser emission driving circuit 2, and so on, the laser module corresponding to the serial number is connected to the laser emission driving circuit for eight paths, which is schematically shown in the figure and only shows two paths.

In the preferred embodiment, the QSFP-DD optical receiving component includes eight groups of detector components and eight paths of transimpedance amplifier circuits, and the eight groups of detector components are connected with the eight paths of transimpedance amplifier circuits in a one-to-one correspondence manner. Specifically, referring to fig. 7, a detector assembly 1 is connected to a transimpedance amplifier circuit 1, a detector assembly 2 is connected to a transimpedance amplifier circuit 2, and so on, the corresponding serial number detector assembly is connected to the transimpedance amplifier circuit, and eight paths are shown in the figure, and only two paths are shown.

Referring to fig. 7, in the present preferred embodiment, the QSFP optical module component 2 includes a QSFP light emitting component and a QSFP light receiving component, where: the QSFP optical transmission component is used for converting the electric signal into an optical signal and transmitting the optical signal; the QSFP optical receiving component is used for receiving optical signals sent by the QSFP-DD optical emitting component of the QSFP-DD optical module component 1 and converting the optical signals into electric signals. The output and input optical signal functions of the QSFP optical module assembly 2 of the present embodiment are realized by the MT/MINI MT/JUNMPER optical interface fiber connector provided thereon.

In this preferred embodiment, the QSFP light-emitting component includes two sets of laser components and two laser emission driving circuits, and the two sets of laser components are connected to the two laser emission driving circuits in a one-to-one correspondence. Specifically, referring to fig. 7, the laser module 1 is connected to the laser emission driving circuit 1, the laser module 2 is connected to the laser emission driving circuit 2, and so on, and the laser module with the corresponding serial number is connected to the laser emission driving circuit.

In this preferred embodiment, the QSFP optical receiving component includes two sets of detector components and two sets of transimpedance amplifier circuits, and the two sets of detector components are connected to the two sets of transimpedance amplifier circuits in a one-to-one correspondence. Specifically, referring to fig. 7, the detector module 1 is connected to the transimpedance amplifier circuit 1, the detector module 2 is connected to the transimpedance amplifier circuit 2, and so on, the detector module corresponding to the serial number is connected to the transimpedance amplifier circuit.

To sum up, the utility model provides a QSFP-DD one minute many QSFP high-speed active optical cable, QSFP-DD end and QSFP end can deal with the use of data center mainstream port, regard as QSFP-DD/QSFP encapsulation simultaneously, can compatible follow-up product's speed dilatation. The requirements of high density, high speed and flexible collocation of the optical module in the market are met. The soft tail sleeve of the one-to-many transmission optical cable adopts a spiral structure design, so that the side tension of the optical cable is improved, the bending angle of the tail end of the product is increased, the overall stability and reliability of the product are improved, and the application scene of a terminal client is better adapted. The optical interface of the QSFP-DD/QSFP optical module component can be directly connected with a transmission optical cable by using an MT/MINI MT/JUNMPER optical interface optical fiber connector, so that the optical path reflection in an optical path link can be optimized, the optical link loss is reduced, and more stable optical transmission performance is provided.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The parts of the invention not described in detail are conventional technical means in the art.

Claims

1. A QSFP-DD one-to-many QSFP high-speed active optical cable is characterized by comprising a QSFP-DD optical module assembly (1), a plurality of QSFP optical module assemblies (2) and a one-to-many transmission optical cable (3), wherein the one-to-many transmission optical cable (3) comprises a soft tail sleeve (301), a plurality of heat-shrinkable tubes (302) and a sleeve (303), one ends of the heat-shrinkable tubes (302) are inserted into one end of the soft tail sleeve (301), the other end of the soft tail sleeve (301) is connected with an optical cable, the other ends of the heat-shrinkable tubes (302) are respectively connected with an optical cable, and the sleeve (303) is sleeved at the connection position of the soft tail sleeve (301) and the heat-shrinkable tubes (302); the other end of the optical cable connected with the soft tail sleeve (301) in the one-to-many transmission optical cable (3) is connected with the QSFP-DD optical module assembly (1), and the other ends of a plurality of optical cables connected with a plurality of heat-shrinkable tubes (302) in the one-to-many transmission optical cable (3) are connected with a plurality of the QSFP optical module assemblies (2) in a one-to-one correspondence mode.

2. The QSFP-DD one-in-many QSFP high-speed active optical cable according to claim 1, wherein the QSFP-DD optical module assembly (1) comprises a QSFP-DD optical transmission assembly and a QSFP-DD optical reception assembly, wherein:

the QSFP-DD optical receiving component is used for receiving optical signals sent by the QSFP optical module component (2) and converting the optical signals into electric signals.

3. The QSFP-DD one-in-many QSFP high-speed active optical cable according to claim 2, wherein the QSFP-DD optical transmission assembly comprises eight groups of laser assemblies and eight laser emission driving circuits, and the eight groups of laser assemblies are connected with the eight laser emission driving circuits in a one-to-one correspondence manner.

4. The QSFP-DD one-in-many QSFP high-speed active optical cable according to claim 2, wherein the QSFP-DD optical receiving component comprises eight sets of detector components and eight paths of transimpedance amplifier circuits, and the eight sets of detector components are connected with the eight paths of transimpedance amplifier circuits in a one-to-one correspondence manner.

5. The QSFP-DD one-in-many QSFP high-speed active optical cable according to claim 1, wherein the QSFP optical module component (2) comprises a QSFP optical transmit component and a QSFP optical receive component, wherein:

the QSFP optical receiving component is used for receiving optical signals sent by the QSFP-DD optical module component (1) and converting the optical signals into electric signals.

6. The QSFP-DD one-in-many QSFP high-speed active optical cable according to claim 5, wherein the QSFP optical transmission assembly comprises two groups of laser assemblies and two laser emission driving circuits, and the two groups of laser assemblies are connected with the two laser emission driving circuits in a one-to-one correspondence manner.

7. The QSFP-DD one-in-many QSFP high-speed active optical cable according to claim 5, wherein the QSFP optical receiving component comprises two sets of detector components and two paths of transimpedance amplifier circuits, and the two sets of detector components are connected with the two paths of transimpedance amplifier circuits in a one-to-one correspondence manner.

8. The QSFP-DD one-in-many QSFP high speed active optical cable according to any of claims 1 to 7, wherein the number of the QSFP optical module assemblies (2) and the heat shrink tubes (302) is the same and two or four.

9. The QSFP-DD one-in-many QSFP high-speed active optical cable according to any one of claims 1 to 7, wherein the sleeve (303) adopts a round structure anti-pulling design; 16 cores in each optical cable are arranged in a circle; the soft tail sleeve (301) is designed by adopting a lengthened spiral structure.

10. The QSFP-DD one-in-many QSFP high-speed active optical cable according to any one of claims 1 to 7, wherein the optical interfaces of the QSFP-DD optical module assembly (1) and the QSFP optical module assembly (2) are directly connected to the optical cable using MT/MINI MT/JUNMPER optical interface fiber connectors.