CN106558357B - A kind of flexible cable of compressive resistance - Google Patents
A kind of flexible cable of compressive resistance Download PDFInfo
- Publication number
- CN106558357B CN106558357B CN201710008530.4A CN201710008530A CN106558357B CN 106558357 B CN106558357 B CN 106558357B CN 201710008530 A CN201710008530 A CN 201710008530A CN 106558357 B CN106558357 B CN 106558357B
- Authority
- CN
- China
- Prior art keywords
- transmission unit
- support element
- elastomer
- ellipse
- protective layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/185—Sheaths comprising internal cavities or channels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/189—Radial force absorbing layers providing a cushioning effect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
Abstract
The present invention provides a kind of flexible cables of compressive resistance, including an electrical transmission unit, one optical transmission unit, one support element, two elastomers and it is coated on electrical transmission unit, optical transmission unit, support element, multi-protective layer outside elastomer, the cross section of the multi-protective layer is ellipse, the support element extends along the short axle of the ellipse and supports two elastomer, two elastomer is symmetrical about the long axis of the ellipse, and the contact multi-protective layer, the electrical transmission unit and optical transmission unit are separately positioned on the both sides of the support element, and it is symmetrical along the long axis of the ellipse, the electrical transmission unit and optical transmission unit do not contact the multi-protective layer and the support element, and wherein, the elasticity modulus of the elastomer is less than the elasticity modulus of the support element.
Description
Technical field
The present invention relates to a kind of cable, the flexible cable of especially a kind of compressive resistance and be used as communication apparatus and user terminal
Between electric power, digital signal duplicate transmissions optoelectrical cable.
Background technology
A kind of self-supporting cable is described in international application WO 97/40504, is had around insulated electric conductor
Band is shielded, band is shielded when cable is hung on fixed point and effectively protects cable.Cable can be equipped in above-mentioned zone
Pipe.International application WO 2004/006272 describes a kind of cable, the shielding strip band with partially electronically conductive material, the shielding
Band is laid in the region between insulated electric conductor and cable sheathing along cable.Conductor wire is entire along it in band
Length and lay and formed effective protection with when cable is penetrated by conductive body cut off cable voltage.Moreover, pipe also can cloth
It is placed in this cable.
The cable of the above-mentioned type is highly suitable for their purpose, but if they are equipped with the pipe for optical cable, then
It will appear problem.When manufacturing or handling cable, pipe may deform, and this deformation leads to that optical fiber can not possibly be installed.Such as
When cable is hung by suspension equipment along cable or by binding apparatus when cable end is held, it is possible that this
Kind deformation.The cable that the cable on embedment ground may be deformed due to stone, and even be placed in seabed may be subjected to making pipe
The power of deformation.Pipe can be made very strong so that it is resistant to deformation force.This can have the disadvantages that：Pipe can become very
Firm and all cables will be rigid and be difficult to handle.
Invention content
Based on solving the above problems, the present invention provides a kind of flexible cables of compressive resistance, including an electrical transmission unit, one
Optical transmission unit, a support element, two elastomers and be coated on electrical transmission unit, optical transmission unit, support element, outside elastomer
The cross section of multi-protective layer, the multi-protective layer is ellipse, and the support element extends along the short axle of the ellipse
And two elastomer is supported, two elastomer is symmetrical about the long axis of the ellipse, and contacts the multilayer and protect
Sheath, the electrical transmission unit and optical transmission unit are separately positioned on the both sides of the support element, and along the ellipse
Long axis is symmetrical, and the electrical transmission unit and optical transmission unit do not contact the multi-protective layer and the support element, and
And wherein, the elasticity modulus of the elastomer is less than the elasticity modulus of the support element.
According to an embodiment of the invention, the support element is shape narrow among two hem widths.
According to an embodiment of the invention, the closed cavity of an alternating compression is respectively provided in the elastomer.
According to an embodiment of the invention, the multi-protective layer includes water barrier, inner sheath, armor, oversheath successively.
According to an embodiment of the invention, the electrical transmission unit includes 2-3 root power transmission conductors.
According to an embodiment of the invention, the optical fiber transmission unit includes 2 optical fiber.
According to an embodiment of the invention, the electrical transmission unit and optical transmission unit are non-circular cross-section, long axis with
The long axis of the ellipse is conllinear.
According to an embodiment of the invention, packing material, and the bullet of the packing material are filled in the multi-protective layer
Property modulus be more than the elastomer elasticity modulus.
According to an embodiment of the invention, the elastomer is thermoplastic elastomer (TPE).
According to an embodiment of the invention, the elastomer is thermoplastic polyurethane.
Advantages of the present invention is as follows：
（1）Its section is ellipse, with certain stationarity when placement（Long axis is parallel to the ground）, supporter can support
Pressure is kept off, the damage to electrical transmission unit and optical transmission unit is prevented；
（2）Electrical transmission unit and optical transmission unit cross section are ellipse, have and preferably keep out external pressure
Effect；
（3）The electrical transmission unit and optical transmission unit of protected side, are released stress merely with elastomer, and
Closed cavity is opened up in elastomer, when it is under pressure, deformation slot deformation can be made to release stress, preferably
Protect cable.
Description of the drawings
Fig. 1 is the cross-sectional view of the flexible cable of first embodiment of the invention；
Fig. 2 is the cross-sectional view of the of the invention second flexible cable for being strength.
Specific implementation mode
Referring to Fig. 1, the flexible cable of compressive resistance provided by the invention, including an electrical transmission unit, an optical transmission unit, one
Support element 7, two elastomers 3 and it is coated on electrical transmission unit, optical transmission unit, support element 7, the multilayer protection outside elastomer 3
The cross section of layer 1, the multi-protective layer 1 is ellipse, and the support element 7 extends and supports along the short axle of the ellipse
Two elastomer 3, two elastomer 3 is symmetrical about the long axis of the ellipse, and contacts the multi-protective layer
1, the electrical transmission unit and optical transmission unit are separately positioned on the both sides of the support element 7, and along the length of the ellipse
Axial symmetry is distributed, and the electrical transmission unit and optical transmission unit do not contact the multi-protective layer 1 and the support element 7, and
And wherein, the elasticity modulus of the elastomer 3 is less than the elasticity modulus of the support element 7.
The support element 7 is the narrow shape in two hem widths centre.The cross sectional shape phase of phase shape and the multi-protective layer
Match, wherein the ratio between the long axis of the ellipse of the cross section of the multi-protective layer and short axle are 1.5-2.5, at this point it is possible to ensure
Sufficient accommodating space, can also achieve the purpose that flat.
In addition, the multi-protective layer 1 includes successively water barrier, inner sheath, armor, oversheath, but it is not limited only to this,
Can also include other layers, such as electro-magnetic screen layer etc..The electrical transmission unit and optical transmission unit have insulating protective layer 4
It is isolated with filler, and is filled with packing material in the multi-protective layer 1, the elasticity modulus of the packing material is more than described
The elasticity modulus of elastomer 3.The electrical transmission unit includes 2-3 roots power transmission conductor 5, and the optical fiber transmission unit includes 2 light
Fibre 6.The electrical transmission unit and optical transmission unit are non-circular cross-section, and long axis is conllinear with the long axis of ellipse.
Referring to Fig. 2, the present invention also provides a kind of improved flat flexible cables, wherein having respectively in the elastomer 3
There is the closed cavity 8 of an alternating compression, the section of the closed cavity 8 can be oval, circle or other shapes.Remaining each section
Construction is consistent with the content of figure, and details are not described herein.
Finally it should be noted that：Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and simultaneously
The non-restriction to embodiment.For those of ordinary skill in the art, it can also do on the basis of the above description
Go out other various forms of variations or variation.There is no necessity and possibility to exhaust all the enbodiments.And thus drawn
The obvious changes or variations that Shen goes out are still in the protection scope of this invention.
Claims (7)
1. a kind of flexible cable of compressive resistance, including an electrical transmission unit, an optical transmission unit, a support element, two elastomers with
And it is coated on electrical transmission unit, optical transmission unit, support element, the multi-protective layer outside elastomer, the cross of the multi-protective layer
Section is ellipse, and the support element extends along the short axle of the ellipse and support two elastomer, two elasticity
Body is symmetrical about the long axis of the ellipse, and contacts the multi-protective layer, the electrical transmission unit and optical transport list
Member is separately positioned on the both sides of the support element, and symmetrical along the long axis of the ellipse, the electrical transmission unit and
Optical transmission unit does not contact the multi-protective layer and the support element, and wherein, and the elasticity modulus of the elastomer is small
In the elasticity modulus of the support element；Wherein, the support element is shape narrow among two hem widths, is had respectively in the elastomer
There is the closed cavity of an alternating compression；Support element elastomer described in the partial face contact of two hem widths；The multilayer is protected
Packing material is filled in sheath, and the elasticity modulus of the packing material is more than the elasticity modulus of the elastomer.
2. the flexible cable of compressive resistance according to claim 1, it is characterised in that：The multi-protective layer include successively every
Water layer, inner sheath, armor, oversheath.
3. the flexible cable of compressive resistance according to claim 1, it is characterised in that：The electrical transmission unit includes 2-3 roots
Power transmission conductor.
4. the flexible cable of compressive resistance according to claim 1, it is characterised in that：The optical transmission unit includes 2 light
It is fine.
5. the flexible cable of compressive resistance according to claim 1, it is characterised in that：The electrical transmission unit and optical transport list
Member is non-circular cross-section, and long axis is conllinear with the long axis of ellipse.
6. the flexible cable of compressive resistance according to claim 1, it is characterised in that：The elastomer is thermoplastic elastic
Body.
7. the flexible cable of compressive resistance according to claim 6, it is characterised in that：The elastomer is thermoplastic poly ammonia
Ester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710008530.4A CN106558357B (en) | 2017-01-05 | 2017-01-05 | A kind of flexible cable of compressive resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710008530.4A CN106558357B (en) | 2017-01-05 | 2017-01-05 | A kind of flexible cable of compressive resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106558357A CN106558357A (en) | 2017-04-05 |
| CN106558357B true CN106558357B (en) | 2018-09-25 |
Family
ID=58445456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710008530.4A Active CN106558357B (en) | 2017-01-05 | 2017-01-05 | A kind of flexible cable of compressive resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106558357B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107393646A (en) * | 2017-08-25 | 2017-11-24 | 骆伟法 | Buried resistance to compression composite cable |
| CN108198654B (en) * | 2017-12-28 | 2020-10-16 | 欣德森电缆有限公司 | Pressure-resistant flexible cable |
| CN108923350A (en) * | 2018-08-12 | 2018-11-30 | 江苏捷通管业科技有限公司 | A kind of novel multi-layer power pipe |
| CN111354510B (en) * | 2020-02-14 | 2021-08-03 | 江苏华能电缆股份有限公司 | Distributed sensing load-bearing detection cable |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971851B (en) * | 2014-05-26 | 2016-04-27 | 滨州东力电力设计有限公司 | A kind of optoelectronic composite cable |
| WO2016073862A2 (en) * | 2014-11-07 | 2016-05-12 | Cable Components Group, Llc | Compositions for compounding, extrusion and melt processing of foamable and cellular halogen-free polymers |
| CN204720193U (en) * | 2015-07-02 | 2015-10-21 | 淮南文峰航天电缆有限公司 | Flexible electromagnetic pulse resistant cable |
| CN205487454U (en) * | 2016-04-05 | 2016-08-17 | 天长市徽宁电器仪表厂 | Withstand voltage control cable |
-
2017
- 2017-01-05 CN CN201710008530.4A patent/CN106558357B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106558357A (en) | 2017-04-05 |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180720 Address after: 055550 Xiaohe Zhuang village, Ningjin County, Xingtai City, Hebei Applicant after: JINGLAN CABLE CO., LTD. Address before: 226300 Jiang Haizhi Huiyuan 266 New Century Avenue, Nantong hi tech Zone, Nantong, Jiangsu Applicant before: Nantong Voight Optoelectronics Technology Co., Ltd. |
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