CN220983583U - Pre-terminated optical cable - Google Patents
Pre-terminated optical cable Download PDFInfo
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- CN220983583U CN220983583U CN202322412797.3U CN202322412797U CN220983583U CN 220983583 U CN220983583 U CN 220983583U CN 202322412797 U CN202322412797 U CN 202322412797U CN 220983583 U CN220983583 U CN 220983583U
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- Prior art keywords
- core
- optical cable
- sleeve
- main optical
- aramid fiber
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- 230000003287 optical effect Effects 0.000 title claims abstract description 54
- 239000013307 optical fiber Substances 0.000 claims abstract description 29
- 229920006231 aramid fiber Polymers 0.000 claims description 35
- 239000000835 fiber Substances 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 2
- 239000004760 aramid Substances 0.000 description 4
- 229920003235 aromatic polyamide Polymers 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a pre-terminated optical cable, which comprises an X-core main optical cable, wherein the X-core main optical cable (3) comprises an outer sheath (3-1) and Z Y core tubes (3-2), the Y core tubes (3-2) comprise sub-tube outer sheaths (3-5) and optical fibers, one end of the X-core main optical cable is provided with a first stripping section, Z Y core tubes (3-2) are reserved in the first stripping section, and the end parts of the Z Y core tubes (3-2) are respectively connected with Y-core MPO connectors (2); the X-core main optical cable is characterized in that a second stripping section is arranged at the other end of the X-core main optical cable, optical fibers are reserved in the second stripping section, the optical fibers (3-6) penetrate into an X-core sleeve (4), the optical fibers in the X-core sleeve (4) are connected with an X-core MPO connector (1), the lengths of the X-core main optical cable and a Y-core branch part are not limited, Z Y-core branch sub-tubes in the X-core main optical cable penetrate through the X-core sleeve together, the process difficulty is reduced, and the application scene is wider.
Description
Technical Field
The utility model relates to a pre-terminated optical cable, in particular to a 16-core MPO-to-2 optical cable8 MPO pre-terminated optical cable belongs to data center wiring technical field.
Background
With the continuous increase of data traffic in the 5G age, the data transmission and bandwidth pressure of the bearer network are continuously increased, the transmission rate of the backbone network is continuously updated from 10G/40G/100G to 200G/400G and other higher rates, and the different rates determine different interfaces of active devices such as switches and wiring products, such as duplex LC interfaces, MPO/MTP interfaces and the like. 16-core MPO (multi-fiber) to 2 in data center optical fiber wiring productThe 8-core MPO optical fiber jumper is mainly used for connection and conversion between unnecessary rate ports. Due to the limitation of the manufacturing process, the products on the market at present mainly comprise short-distance optical fiber jumpers, and the overlong length of the optical fiber jumpers is not a proper choice no matter whether the optical fiber jumpers are used for safety consideration of machine room cross-cabinet application or the manufacturing process of the jumpers.
According to the current practice, the outer sheath is peeled off from the 16-core optical cable, then a sleeve is threaded again every 8 cores, the length of the sleeve is limited, the requirement on labor is high, the length of the sleeve can be generally only threaded within 3 meters, the difficulty of threading the sleeve by more than 3 meters is greatly increased, and the damage to the optical fiber is easily caused. And the 3.5mm diameter 16-core cable section is also unsuitable for use in remote applications across cabinets and the like. Currently similar 16-core MPO to 28-Core MPO optical fiber jumper, wherein one end of a 16-core MPO connector is an optical cable with the diameter of about 3.5mm, the other end of the 16-core MPO connector is stripped off the outer protective skin of the outer optical cable according to the required length, an optical cable protective tube is sleeved again on each 8 cores, the 8-core MPO optical fiber connector is manufactured, the joint of the 16-core optical cable and two 8-core optical cables is fixedly connected through a branching device sleeve, and therefore the 16-core MPO is converted into 2And manufacturing the 8-core MPO optical fiber jumper.
Disclosure of utility model
The utility model aims to provide a pre-terminated optical cable which can be suitable for long-distance application occasions.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
The utility model provides a pre-terminated optical cable, includes X core trunk optical cable, X core trunk optical cable contains outer sheath, Z root Y core pipe, Y core pipe contains sub-pipe outer sheath and optic fibre, its characterized in that: one end of the X-core main optical cable is provided with a first stripping section, Z Y-core tubes are reserved in the first stripping section, and the ends of the Z Y-core tubes are respectively connected with Y-core MPO connectors; the other end of the X-core main optical cable is provided with a second stripping section, the second stripping section is reserved with optical fibers, the optical fibers penetrate into an X-core sleeve, the optical fibers in the X-core sleeve are connected with an X-core MPO connector, X, Y, Z is a positive integer, such as 16, 8, 2 and Y respectively Z=X。
Specifically, the X-core backbone cable further includes a first aramid layer. At this time, the first peeling section still keeps first aramid fiber layer, first aramid fiber layer turns back to outside X core trunk optical cable and through first area glue pyrocondensation pipe pyrocondensation fixed.
At the other end, the second peeling section is still reserved a first aramid fiber layer, the first aramid fiber layer turns back to outside the X-core main optical cable, and the X-core sleeve, the first aramid fiber layer and the outer sheath are fixed by the second rubber heat shrinkage pipe in a heat shrinkage mode. Specifically, the Y core tube further comprises a second aramid fiber layer, the second stripping section further retains the second aramid fiber layer, and the optical fiber and the second aramid fiber layer penetrate into the X core sleeve.
The X-core sleeve comprises a third aramid fiber layer and a sub-sleeve, the optical fiber of the second stripping section penetrates into the sub-sleeve, and the third aramid fiber layer is turned outwards of the X-core sleeve.
The joint of the X core sleeve and the X core main optical cable is sleeved with a protective sleeve, and the second glued heat-shrinkable tube is fixed outside the protective sleeve in a heat-shrinkable manner.
According to the X-core main optical cable and the Y-core branch part, the lengths of the X-core main optical cable and the Y-core branch part are not limited, Z Y-core branch sub-tubes in the X-core main optical cable pass through the X-core sleeve together, the process difficulty is reduced, and the application scene is wider.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic illustration of a preterminated fiber optic cable.
Fig. 2 is a cross-sectional view of a 16-core backbone cable.
Fig. 3 is a schematic diagram of one end connection of a preterminated fiber optic cable.
Fig. 4 is a schematic view of a first connection at the other end of a preterminated fiber optic cable.
Fig. 5 is a schematic view of a second connection at the other end of the preterminated fiber optic cable.
Detailed Description
16-Core MPO (multi-functional fiber) to 2The 8-core MPO pre-terminated optical cable has a structure shown in fig. 1 and comprises a 16-core MPO connector 1, an 8-core MPO connector 2, a 16-core main optical cable 3, a 16-core sleeve 4, a first heat shrink tube 5 with glue, a protective sleeve 6, a second heat shrink tube 7 with glue and the like.
As shown in fig. 2, the 16-core main optical cable 3 comprises two outer jackets 3-1, 8 core tubes 3-2 and two filling ropes 3-3, a first aramid layer 3-4, and the 8 core tube 3-2 comprises a sub-tube outer jacket 3-5, an optical fiber 3-6) and an aramid layer 3-7.
When the pre-terminated optical cable is manufactured, firstly, the outer sheath 3-1 at one end of the 16-core main optical cable 3 is peeled off according to the required length to expose the 8-core tube 3-2 and the filling ropes 3-3, the two filling ropes 3-3 are cut along the cut of the outer sheath 3-1, the aramid fiber 3-4 is cut at a proper distance from the cut of the outer sheath 3-1, the rest exposed aramid fiber 3-4 is turned back along the direction of the 16-core main optical cable 3, and the aramid fiber 3-4 is fixed by heat shrinkage through the first rubber-covered heat shrinkage tube 5. The ends of the two 8-core tubes 3-2 are respectively manufactured into 8-core MPO connectors 2 as shown in fig. 3.
The other end of the 16-core main optical cable 3 is as follows:
Stripping the outer sheath 3-1 by 50-100 cm, cutting off the exposed two filling ropes 3-3 along the root of the incision, and cutting off the first aramid fiber layer 3-4 at a proper distance from the incision of the outer sheath 3-1; the outer sheath 3-5 of the sub-tube of the 8-core tube 3-2 is peeled off along the root of the incision to expose the optical fiber 3-6 and the second aramid fiber layer 3-7, the second aramid fiber layers of the two 8-core tubes 3-2 are reserved with corresponding strand numbers, and the rest are cut along the root of the incision. Then, the 16-core sleeve 4 is penetrated together with the optical fiber 3-6 and the second aramid fiber layer 3-7, the aramid fiber 3-4 is turned back along the direction of the 16-core main optical cable 3, and the 16-core sleeve 4, the first aramid fiber layer 3-4 and the outer sheath 3-1 are fixed by thermal shrinkage through the second thermal shrinkage pipe 7 with glue, as shown in figure 4.
The other end of the 16-core main optical cable 3 is in a second mode:
The 16-core sleeve 4 can comprise a third aramid fiber layer 4-1 and a sub-sleeve 4-2. Stripping the outer sheath 3-1 by 50-100 cm, cutting off the exposed two filling ropes 3-3 along the root of the incision, and cutting off the aramid fibers 3-4 at a proper distance from the incision of the outer sheath 3-1; the outer sheath 3-5 of the sub-tube of the 8-core tube 3-2 is peeled off along the root of the incision, the optical fiber 3-6 and the second aramid fiber layer 3-7 are exposed, and the second aramid fiber layer 3-7 is cut along the root of the incision. The optical fibers 3-6 in the two 8 core tubes 3-2 are penetrated into the sub-tubes 4-2 of the 16 core tube 4 together, the third aramid fiber layer 4-1 in the 16 core tube 4 is turned out of the joint for a proper distance, the penetrating protection tube 6 is arranged at the joint of the 16 core tube 4 and the 16 core main optical cable 3, and then the two tubes are fixed by heat shrinkage through the second glued heat shrinkage tube 7. Finally, a 16-core MPO connector 1 is fabricated at the other end of the 16-core ferrule 4, as shown in fig. 5.
The mode of the pre-terminated optical cable is not limited to the optical cable with 16 cores and 8 cores, and the optical cables with other cores and similar structures are also applicable.
The above embodiments do not limit the present utility model in any way, and all technical solutions obtained by equivalent substitution or equivalent transformation fall within the protection scope of the present utility model.
Claims (7)
1. The pre-terminated optical cable comprises an X-core main optical cable, wherein the X-core main optical cable (3) comprises an outer sheath (3-1) and Z Y core tubes (3-2), and the Y core tubes (3-2) comprise sub-tube outer sheaths (3-5) and optical fibers, and are characterized in that: one end of the X-core main optical cable is provided with a first stripping section, Z Y core tubes (3-2) are reserved in the first stripping section, and the end parts of the Z Y core tubes (3-2) are respectively connected with Y core MPO connectors (2); the X-core main optical cable is characterized in that a second stripping section is arranged at the other end of the X-core main optical cable, an optical fiber is reserved in the second stripping section, the optical fiber (3-6) penetrates into an X-core sleeve (4), an X-core MPO connector (1) is connected with the optical fiber in the X-core sleeve (4), X, Y, Z is a positive integer, and Y is the same as the positive integerZ=X。
2. The pre-terminated fiber optic cable of claim 1, wherein: the X-core main optical cable further comprises a first aramid fiber layer (3-4).
3. The pre-terminated fiber optic cable of claim 2, wherein: the first peeling section is also provided with a first aramid fiber layer (3-4), and the first aramid fiber layer (3-4) is turned back to the outside of the X-core main optical cable (3) and is fixed through heat shrinkage of a first rubber heat shrinkage tube (5).
4. The pre-terminated fiber optic cable of claim 2, wherein: the second peeling section is also reserved with a first aramid fiber layer (3-4), the first aramid fiber layer (3-4) is turned back to the outside of the X-core main optical cable (3), and the X-core sleeve (4), the first aramid fiber layer (3-4) and the outer sheath (3-1) are fixed by the second heat shrinkage pipe (7) with glue in a heat shrinkage mode.
5. The pre-terminated fiber optic cable of claim 4, wherein: the Y-shaped core tube (3-2) further comprises a second aramid fiber layer (3-7), the second stripping section further retains the second aramid fiber layer (3-7), and the optical fiber (3-6) and the second aramid fiber layer (3-7) penetrate into the X-shaped core sleeve (4).
6. The pre-terminated fiber optic cable of claim 4, wherein: the X-core sleeve (4) comprises a third aramid fiber layer (4-1) and a sub-sleeve (4-2), the optical fiber of the second stripping section penetrates into the sub-sleeve (4-2), and the third aramid fiber layer (4-1) is outwards turned to the outside of the X-core sleeve (4).
7. The pre-terminated fiber optic cable of claim 6, wherein: the joint of the X-core sleeve (4) and the X-core main optical cable (3) is sleeved with a protective sleeve (6), and the second heat shrinkage tube (7) with glue is fixed outside the protective sleeve (6) in a heat shrinkage manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322412797.3U CN220983583U (en) | 2023-09-06 | 2023-09-06 | Pre-terminated optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322412797.3U CN220983583U (en) | 2023-09-06 | 2023-09-06 | Pre-terminated optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220983583U true CN220983583U (en) | 2024-05-17 |
Family
ID=91043230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322412797.3U Active CN220983583U (en) | 2023-09-06 | 2023-09-06 | Pre-terminated optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220983583U (en) |
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2023
- 2023-09-06 CN CN202322412797.3U patent/CN220983583U/en active Active
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