CN209103861U - A kind of layer-twisted type bipolar DC power supply submarine optical fiber cable - Google Patents
A kind of layer-twisted type bipolar DC power supply submarine optical fiber cable Download PDFInfo
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- CN209103861U CN209103861U CN201822062661.3U CN201822062661U CN209103861U CN 209103861 U CN209103861 U CN 209103861U CN 201822062661 U CN201822062661 U CN 201822062661U CN 209103861 U CN209103861 U CN 209103861U
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Abstract
The utility model discloses a kind of layer-twisted type bipolar DC power supply submarine optical fiber cables, and internal structure is identical, and outer armor layer then uses aramid fiber braiding armouring and steel wire to be twisted two kinds of structures of armouring.Its internal cable core structure includes that a light unit and two electric units, Unit three are twisted, and fills up packing material between twisted gap.External structure: a wherein wrapped waterstop of cable core, waterstop are coated with aramid fiber braiding layer, oversheath are extruded outside aramid fiber braiding layer；Another wrapped waterstop of cable core, waterstop are coated with steel wire and are twisted armor, and oversheath is extruded outside armor.Submarine optical fiber cable provided by the utility model passes through the combination of two direct current conductors and a light unit, the transmission of photoelectric information can be achieved, the problem of current loop can be solved in single sea cable, sea cable engineering construction cost, the cost of cable laying operation cost and maintenance are reduced, while being also made that tremendous contribution to save ocean routing.
Description
Technical field
The utility model relates to the communications fields, especially submarine optical fiber cable, and in particular to a kind of layer-twisted type bipolar DC power supply
Submarine optical fiber cable.
Background technique
With carrying forward vigorously for ocean power's strategy, submarine optical fiber cable is more and more extensive to be applied to various island and seashore and sight
The transmission of survey grid information.So that subsea networks system is preferably constructed, common technique is needed using two submarine optical fiber cables at present
It is able to achieve the transmission of positive and negative anodes electric energy, significantly increases manufacturing cost.Bipolar DC power supply structure of submarine optical fiber cable is simple, over long distances
It is low that electric energy transmits economic cost.Therefore exploitation bipolar DC power supply submarine optical fiber cable is the new side of ocean network line development from now on
To sea cable construction laid down cost can be substantially reduced.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of layer-twisted type bipolar DC power supply submarine optical fiber cable,
Be characterized in that: its cable core includes two electric units and a light unit, and the electric unit is used for transmission electric energy, the electric unit packet
Include: copper conductor extrudes insulating sheath outside the copper conductor；The light unit is used for transmission optical signal；The light unit includes:
Stainless steel light unit, the stainless steel light unit are twisted one layer of inner steel wire outside, one layer of light unit are extruded outside the inner steel wire
Sheath；Two electric units and a light unit carry out the twisted molding of three cores, and the electric unit and light unit are twisted between gap
Packing material, wrapped one layer of band outside the electric unit and light unit are filled up, the band outside is equipped with armor, and armor is
Aramid fiber weaves armor or steel wire armor layer, extrudes oversheath on the outside of the armor.
Further, electric unit is the copper conductor that D.C. resistance is 1 Ω, effectively reduces the electric energy loss of long distance transmission.
Further, insulating sheath is externally provided with polyethylene layer, guarantees good insulation performance.
Further, light unit includes stainless steel light unit, inner steel wire and light unit sheath.Stainless steel light unit be containing
There is optical fiber and the fiber paste stainless steel tube that blocks water, for maximum core number up to 96 cores, inner steel wire is zinc-coated wire, and light unit sheath is poly- second
Alkene sheath.
Further, packing material is packing or gasket for packing, makes sea cable cable core rounding.
Further, band is waterstop, plays the role of longitudinal water-blocking.
Further, aramid fiber braiding armor is the braiding of 9480 Du Pont's aramid fibers, can effectively enhance the tensile strength of sea cable, and
And it is able to maintain the flexibility of sea cable.
Further, steel wire armor layer is zinc-coated wire armouring, can effectively enhance the mechanical strength of sea cable.
Further, oversheath is polyethylene outer sheath, has good seawater corrosion resistance and protection cable core performance.
The transmission of photoelectric information can be realized by the combination of two electric units and a light unit for the utility model, single
The problem of current loop can be solved in submarine optical fiber cable, substantially reduces submarine optical fiber cable construction cable laying operation cost.Bipolar DC power supply
Structure of submarine optical fiber cable is simple, and it is low that long range electric energy transmits economic cost, while being also made that tremendous contribution to save ocean routing,
It is the new direction of ocean network line development from now on, provides new direction for the construction of underwater network line.
Detailed description of the invention
Fig. 1 is the bipolar submarine optical fiber cable of layer-twisted type (aramid fiber braiding armouring) sectional view.
Fig. 2 is the bipolar submarine optical fiber cable of layer-twisted type (steel wire is twisted armouring) sectional view.
In figure, 1. copper conductors, 2. insulating sheaths, 3. packing materials, 4. bands, 5. stainless steel light units, armour steel in 6.
Silk, 7. light unit sheaths, 8. aramid fibers weave armor, 9, oversheath, 10. steel wire armor layers.
Specific embodiment
The technical solution of the utility model is further described in the following with reference to the drawings and specific embodiments, but this is practical
Novel protection scope is without being limited thereto.
Embodiment 1
The submarine optical fiber cable as shown in Figure 1, a kind of layer-twisted type bipolar DC is powered, armor weave armor 8 using aramid fiber,
Cable core structure includes two electric units and a light unit, and the electric unit is used for transmission electric energy, and the electric unit includes: that copper is led
Body 1 extrudes insulating sheath 2 outside the copper conductor 1 and forms electric unit.The light unit is used for transmission optical signal；The light list
Member includes: stainless steel light unit 5, and one layer of inner steel wire 6 is twisted outside the stainless steel light unit 5, is extruded outside the inner steel wire 6
One layer of light unit sheath 7.
Two electric units and light unit three cores of progress are twisted and form, in light unit and electric unit in stranding process
Packing material 3 is inserted in gap, it is wrapped with band 4 to whole after being twisted, it is coated after wrapped with aramid fiber braiding armor 8, then
Polyethylene outer sheath 9 is extruded outside aramid fiber braiding armor 8.
Embodiment 2
The submarine optical fiber cable as shown in Fig. 2, a kind of layer-twisted type bipolar DC is powered, armor use steel wire armor layer 10, cable
Cored structure includes two electric units and a light unit, and the electric unit is used for transmission electric energy, and the electric unit includes: copper conductor
1, insulating sheath 2 is extruded outside the copper conductor 1 forms electric unit.The light unit is used for transmission optical signal；The light unit
Include: stainless steel light unit 5, one layer of inner steel wire 6 is twisted outside the stainless steel light unit, extrudes one outside the inner steel wire 6
Layer light unit sheath 7 forms light unit.
Two electric units and light unit three cores of progress are twisted and form, in light unit and electric unit in stranding process
Packing material 3, wrapped one layer of band 4 outside the electric unit and light unit are inserted in gap, there is wire armoring in the band outside
Layer 10 extrudes polyethylene outer sheath 9 on the outside of the steel wire armor layer 10.
The utility model realizes the loop transfer between route by a submarine optical fiber cable, substantially reduces submarine optical fiber cable construction
Cable laying operation cost.Bipolar DC structure of submarine optical fiber cable of powering is simple, and it is ocean from now on that it is low that long range electric energy transmits economic cost
The new direction of network line development provides new direction for the construction of underwater network line.
Claims (6)
- The submarine optical fiber cable 1. a kind of layer-twisted type bipolar DC is powered, it is characterised in that: its cable core includes: two electric units and a light Unit；The electric unit is used for transmission electric energy, and the electric unit includes: copper conductor, extrudes insulating sheath outside the copper conductor； The light unit is used for transmission optical signal, and the light unit includes: stainless steel light unit, twisted one outside the stainless steel light unit Layer inner steel wire, the inner steel wire extrude one layer of light unit sheath outside；Two electric units and a light unit carry out the twisted molding of three cores, and the electric unit and light unit are filled out between being twisted gap Full packing material, wrapped one layer of band outside the electric unit and light unit are equipped with armor on the outside of the band, and armor is virtue Synthetic fibre weaves armor or steel wire armor layer, extrudes oversheath on the outside of the armor.
- The submarine optical fiber cable 2. a kind of layer-twisted type bipolar DC described in accordance with the claim 1 is powered, it is characterised in that: the insulation shield Cover peripheral hardware polyethylene layer.
- The submarine optical fiber cable 3. a kind of layer-twisted type bipolar DC described in accordance with the claim 1 is powered, it is characterised in that: the light unit In, stainless steel light unit is containing optical fiber and the fiber paste stainless steel tube that blocks water, and maximum core number is 96 cores, and the inner steel wire is zinc-plated Steel wire, the light unit sheath are pe sheath.
- The submarine optical fiber cable 4. a kind of layer-twisted type bipolar DC described in accordance with the claim 1 is powered, it is characterised in that: the filling material Material is packing or gasket for packing.
- The submarine optical fiber cable 5. a kind of layer-twisted type bipolar DC described in accordance with the claim 1 is powered, it is characterised in that: the band is Waterstop.
- The submarine optical fiber cable 6. a kind of layer-twisted type bipolar DC described in accordance with the claim 1 is powered, it is characterised in that: the oversheath For polyethylene outer sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822062661.3U CN209103861U (en) | 2018-12-10 | 2018-12-10 | A kind of layer-twisted type bipolar DC power supply submarine optical fiber cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822062661.3U CN209103861U (en) | 2018-12-10 | 2018-12-10 | A kind of layer-twisted type bipolar DC power supply submarine optical fiber cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209103861U true CN209103861U (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822062661.3U Active CN209103861U (en) | 2018-12-10 | 2018-12-10 | A kind of layer-twisted type bipolar DC power supply submarine optical fiber cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411146A (en) * | 2018-12-10 | 2019-03-01 | 江苏通光海洋光电科技有限公司 | A kind of layer-twisted type bipolar DC power supply submarine optical fiber cable |
-
2018
- 2018-12-10 CN CN201822062661.3U patent/CN209103861U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411146A (en) * | 2018-12-10 | 2019-03-01 | 江苏通光海洋光电科技有限公司 | A kind of layer-twisted type bipolar DC power supply submarine optical fiber cable |
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