CN208621798U - One kind being suitable for strong electrical field ADSS optical cable - Google Patents
One kind being suitable for strong electrical field ADSS optical cable Download PDFInfo
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- CN208621798U CN208621798U CN201821277623.3U CN201821277623U CN208621798U CN 208621798 U CN208621798 U CN 208621798U CN 201821277623 U CN201821277623 U CN 201821277623U CN 208621798 U CN208621798 U CN 208621798U
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- restrictive coating
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- optical cable
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Abstract
The utility model discloses one kind to be suitable for strong electrical field ADSS optical cable, including optical fiber layer (1), PE inner restrictive coating (2), aramid yarn layer (3) and the high anti-electric-mark external sheath layer (4) set gradually from the inside to the outside；The optical fiber layer (1) includes metalloid core reinforcer (11), being twisted on metalloid core reinforcer (11) has several fiber units (12), and the fiber unit (12) includes the Loose tube (121) and optical fiber (124) set gradually from outside to inside；The high anti-electric-mark external sheath layer (4) includes the first restrictive coating (41) and the second restrictive coating (42), is equipped with tensile layer (43) between the first restrictive coating (41) and the second restrictive coating (42).The utility model has both structural strength height and the low advantage of manufacturing cost, and has good anti-electric-mark ability, long service life.
Description
Technical field
The utility model relates to a kind of optical cables, especially a kind of to be suitable for strong electrical field ADSS optical cable.
Background technique
In the special optical cable application in China, ADSS optical cable the nineties from beginning to use in power communication.Most
In first ADSS optical cable application, product requirement imperfect technical specification and management regulation, and in general, the use of optical cable
Service life usually requires that at 25 years or more, in addition the application of ADSS optical cable is more special, is answered than other its requirement in this way
The requirement of use light combination cable is just more harsh, and existing ADSS cable configuration intensity is lower, and service life does not ensure well,
In order to improve its structural strength, needs using more reinforcement material phenyl-diformyl phenylenediamines (aramid fiber), and be arranged in multilayer, add
Strong material phenyl-diformyl phenylenediamine (aramid fiber) is expensive, and the country lacks production capacity, and inadequate supply also frequently occurs
The case where；Under the adverse circumstances such as sleet, potential difference causes leakage current in moist cable surface, interrupts generation by leakage current
Fuel factor meeting calcination cable surface, generates electric trace, further shortens the service life of optical cable.Therefore, existing ADSS optical cable
There is a problem of cannot be considered in terms of structural strength and manufacturing cost, anti-electric-mark ability is poor, service life is short.
Utility model content
The purpose of the utility model is to provide one kind to be suitable for strong electrical field ADSS optical cable.It has both structural strength height and
The low advantage of manufacturing cost, and there is good anti-electric-mark ability, long service life.
The technical solution of the utility model includes: a kind of be suitable for strong electrical field ADSS optical cable, including what is set gradually from the inside to the outside
Optical fiber layer, PE inner restrictive coating, aramid yarn layer and high anti-electric-mark external sheath layer；The optical fiber layer includes metalloid core reinforcer,
Being twisted on metalloid core reinforcer has several fiber units, and the fiber unit includes the pine set set gradually from outside to inside
Tube layer and optical fiber；The high anti-electric-mark external sheath layer includes the first restrictive coating and the second restrictive coating, and the first restrictive coating and second are protected
Tensile layer is equipped between jacket layer.
For one kind above-mentioned suitable for strong electrical field ADSS optical cable, the upper and lower surfaces of the tensile layer are equipped with strip bulge,
The outer surface of the inner surface of first restrictive coating and the second restrictive coating is equipped with the bar shaped indent with strip bulge cooperation.
For one kind above-mentioned suitable for strong electrical field ADSS optical cable, the PE inner restrictive coating is interior equipped with glass fiber yarn and fire-retardant
Material.
One kind above-mentioned is suitable for strong electrical field ADSS optical cable, and the tensile layer is by high-intensitive aramid line and glass fiber yarn
It constitutes.
One kind above-mentioned is suitable for strong electrical field ADSS optical cable, the diameter phase of the high intensity aramid line and glass fiber yarn
Together.
One kind above-mentioned is filled with cable cream suitable for strong electrical field ADSS optical cable in the gap between the fiber unit.
One kind above-mentioned is suitable for strong electrical field ADSS optical cable, filled with fibre in the gap between the optical fiber and Loose tube
Cream.
Compared with prior art, the utility model be successively arranged from the inside to the outside optical fiber layer, PE inner restrictive coating, aramid yarn layer and
High anti-electric-mark external sheath layer；Wherein, optical fiber layer is that several fiber units are stranded in the structure on metalloid core reinforcer, often
The outer layer of a fiber unit is Loose tube structure, and optical fiber is arranged in Loose tube, is protected outside PE inner restrictive coating and high anti-electric-mark
Aramid yarn layer is set between jacket layer, so that the structural strength of optical cable is higher, more saves the use of aramid fiber, reduces the system of optical cable
This is caused, the structural strength high advantage low with manufacturing cost has been taken into account；In addition, glass fiber yarn and high-intensitive aramid fiber in tensile layer
Line collocation compensate for aramid fiber as rigidity it is big caused by flexibility and resilience performance difference disadvantage, so that the utility model is being guaranteed knot
There is good resilience, with longer service life, inside and outside high-intensitive aramid line and aramid yarn layer in the case where structure intensity
Collocation, structural strength is big, while multiple tracks aramid yarn layer being arranged between inner restrictive coating and high anti-electric-mark external sheath layer with existing
It compares, saves the use of aramid fiber, save the cost.
The high anti-electric-mark external sheath layer of the utility model is the structure of one layer of tensile layer of collocation among two layers of restrictive coating, and in
Between tensile layer upper and lower surfaces be equipped with strip bulge, with the outer surface of the inner surface and the second restrictive coating of the first restrictive coating
The cooperation of bar shaped indent, connection is even closer, is not easy delamination, the tensile layer under the adverse circumstances such as sleet, between two layers of restrictive coating
It can effectively prevent water penetration to the second restrictive coating, in the case where the first sheath layer surface causes leakage current to generate electric trace, still
So energy the second restrictive coating of effective protection is not influenced by leakage current, to protect internal fiber unit, high anti-electric-mark oversheath
The three layers structure of layer improves the anti-electric-mark ability of high anti-electric-mark external sheath layer entirety, and cable is made to use the longevity with longer
Life.
To sum up, the utility model has both structural strength height and the low advantage of manufacturing cost, and has good anti-electric-mark
Ability, long service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of high anti-electric-mark external sheath layer；
Fig. 3 is the transverse sectional view of fiber unit.
The label in accompanying drawing is: 1- optical fiber layer, 2-PE inner restrictive coating, 3- aramid yarn layer, 4- high anti-electric-mark external sheath layer,
11- metalloid core reinforcer, 12- fiber unit, 13- cable cream, 21- glass fiber yarn, 22- flame-proof material, the first sheath of 41-
Layer, the second restrictive coating of 42-, 43- tensile layer, 121- Loose tube, 124- optical fiber, 125- fiber paste.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
Embodiment: one kind being suitable for strong electrical field ADSS optical cable, and structure is as shown in Figure 1 to Figure 3, including successively sets from the inside to the outside
Optical fiber layer 1, PE inner restrictive coating 2, aramid yarn layer 3 and the high anti-electric-mark external sheath layer 4 set；The optical fiber layer 1 includes in nonmetallic
Heart reinforcer 11, being twisted on metalloid core reinforcer 11 has several fiber units 12, and the fiber unit 12 includes by outer
To the interior Loose tube 121 and optical fiber 124 set gradually；The high anti-electric-mark external sheath layer 4 includes the first restrictive coating 41 and second
Restrictive coating 42 is equipped with tensile layer 43 between first restrictive coating 41 and the second restrictive coating 42.
The upper and lower surfaces of the tensile layer 43 are equipped with strip bulge, the inner surface and the second sheath of the first restrictive coating 41
The outer surface of layer 42 is equipped with the bar shaped indent with strip bulge cooperation.
Glass fiber yarn 21 and flame-proof material 22 are equipped in the PE inner restrictive coating 2.
The tensile layer 43 is made of high-intensitive aramid line and glass fiber yarn.
The high intensity aramid line is identical with the diameter of glass fiber yarn.
Cable cream 13 is filled in gap between the fiber unit 12.
Fiber paste 125 is filled in gap between the optical fiber 124 and Loose tube 121.
The utility model is successively arranged outside optical fiber layer 1, PE inner restrictive coating 2, aramid yarn layer 3 and high anti-electric-mark from the inside to the outside and protects
Jacket layer 4；Wherein, optical fiber layer 1 is that several fiber units 12 are stranded in the structure on metalloid core reinforcer 11, each optical fiber
Unit 12 is 121 structure of Loose tube, and optical fiber 124 is arranged in Loose tube 121, protects outside PE inner restrictive coating 2 and high anti-electric-mark
Aramid yarn layer 3 between jacket layer 4, structural strength is higher, more saves the use of aramid fiber, reduces the manufacturing cost of optical cable, simultaneous
The structural strength high advantage low with manufacturing cost is cared for；In addition, glass fiber yarn and high-intensitive aramid line are arranged in pairs or groups in tensile layer 43
Compensate for aramid fiber as rigidity it is big caused by flexibility and resilience performance difference disadvantage, make the utility model in guarantee structural strength
In the case where have good resilience, have longer service life；High-intensitive aramid line and the inside and outside collocation of aramid yarn layer, knot
Structure intensity is big, at the same with it is existing inner restrictive coating between high anti-electric-mark external sheath layer be arranged multiple tracks aramid yarn layer compared with, section
The use of aramid fiber, save the cost are saved；The high anti-electric-mark external sheath layer 4 of the utility model is one layer of collocation among two layers of restrictive coating
The structure of tensile layer 43, and intermediate 43 upper and lower surfaces of tensile layer are equipped with strip bulge, the inner surface with the first restrictive coating 41
Cooperate with the bar shaped indent of the outer surface of the second restrictive coating 42, connection is even closer, delamination is not easy, in adverse circumstances such as sleet
Under, the tensile layer 43 between two layers of restrictive coating can effectively prevent water penetration to the second restrictive coating 42, in 41 table of the first restrictive coating
Face causes leakage current, in the case where generating electric trace, still can the second restrictive coating of effective protection 42 do not influenced by leakage current, thus
Fiber unit 12 inside protection, it is whole that the three layers structure of high anti-electric-mark external sheath layer 4 improves high anti-electric-mark external sheath layer 4
Anti-electric-mark ability, make cable have longer service life；To sum up, the utility model has both structural strength height and manufacturing cost
Low advantage, and there is good anti-electric-mark ability, long service life.
Claims (7)
1. one kind is suitable for strong electrical field ADSS optical cable, it is characterised in that: including optical fiber layer (1), the PE set gradually from the inside to the outside
Inner restrictive coating (2), aramid yarn layer (3) and high anti-electric-mark external sheath layer (4)；The optical fiber layer (1) includes that metalloid core is reinforced
Part (11), being twisted on metalloid core reinforcer (11) has several fiber units (12), the fiber unit (12) include by
The outer Loose tube (121) and optical fiber (124) set gradually in；The high anti-electric-mark external sheath layer (4) includes the first restrictive coating
(41) and the second restrictive coating (42) tensile layer (43), are equipped between the first restrictive coating (41) and the second restrictive coating (42).
2. according to claim 1 a kind of suitable for strong electrical field ADSS optical cable, it is characterised in that: the tensile layer (43)
Upper and lower surfaces are equipped with strip bulge, and the inner surface of the first restrictive coating (41) and the outer surface of the second restrictive coating (42) are equipped with
With the bar shaped indent of strip bulge cooperation.
3. according to claim 1 a kind of suitable for strong electrical field ADSS optical cable, it is characterised in that: the PE inner restrictive coating
(2) glass fiber yarn (21) and flame-proof material (22) are equipped in.
A kind of be suitable for strong electrical field ADSS optical cable 4. according to claim 1, it is characterised in that: the tensile layer (43) by
High-intensitive aramid line and glass fiber yarn are constituted.
5. according to claim 4 a kind of suitable for strong electrical field ADSS optical cable, it is characterised in that: the high intensity aramid line
It is identical with the diameter of glass fiber yarn.
6. according to claim 1 a kind of suitable for strong electrical field ADSS optical cable, it is characterised in that: the fiber unit (12)
Between gap in be filled with cable cream (13).
A kind of be suitable for strong electrical field ADSS optical cable 7. according to claim 1, it is characterised in that: the optical fiber (124) with
Fiber paste (125) are filled in gap between Loose tube (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277623.3U CN208621798U (en) | 2018-08-09 | 2018-08-09 | One kind being suitable for strong electrical field ADSS optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277623.3U CN208621798U (en) | 2018-08-09 | 2018-08-09 | One kind being suitable for strong electrical field ADSS optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208621798U true CN208621798U (en) | 2019-03-19 |
Family
ID=65709248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821277623.3U Active CN208621798U (en) | 2018-08-09 | 2018-08-09 | One kind being suitable for strong electrical field ADSS optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208621798U (en) |
-
2018
- 2018-08-09 CN CN201821277623.3U patent/CN208621798U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191111 Address after: 313009 No. 2299 East strong Garden Road, Nanxun Economic Development Zone, Huzhou, Zhejiang Patentee after: Zhejiang Dongtong optical network IOT Technology Co., Ltd Address before: 313000 Huzhou Province Economic Development Zone, Nanxun City, East Park Road, No. 2299 Patentee before: Zhejiang Dongtong Wulian Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |