CN103377764A - Communication transmission cable - Google Patents
Communication transmission cable Download PDFInfo
- Publication number
- CN103377764A CN103377764A CN2013102762772A CN201310276277A CN103377764A CN 103377764 A CN103377764 A CN 103377764A CN 2013102762772 A CN2013102762772 A CN 2013102762772A CN 201310276277 A CN201310276277 A CN 201310276277A CN 103377764 A CN103377764 A CN 103377764A
- Authority
- CN
- China
- Prior art keywords
- wires
- layer
- screen
- wrapped
- shielding 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.)
- Pending
Links
Images
Abstract
The invention provides a communication transmission cable. The innermost layer of the cable is four wires, the four wires are divided into an upper layer and a lower layer, the upper layer and the lower layer are respectively provided with two wires, the wires on the upper layer and the wires on the lower layer are arrayed in an alignment mode, and each wire is formed by a plurality of silvered copper wires in a twisting mode. The cable comprises three shielding layers. The first shielding layer wraps all the wires and is a pressed film structure, wherein according to the pressed film structure, two layers of polyethylene films wrap a tinned copper wire mesh. The periphery of the four arrayed wires is wrapped by the second shielding layer, and the second shielding layer is a copper plated fiber braiding layer. The periphery of the second shielding layer is wrapped by the third shielding layer, according to the third shielding layer, alloy wires are used as shielding material and are formed by tin aluminum alloy in a drawing mode, and the third shielding layer and polyethylene are pressed into a whole to form a surface layer insulation structure. The three kinds of shielding layers are adopted for the communication transmission cable, therefore electromagnetic shielding performance of the cable is greatly improved, by the adoption of the compound pressing of the shielding layers and the insulation material, using of the insulation material is reduced, and the size and weight of the cable are reduced.
Description
Technical field
The present invention relates to the communication transfer field of cables, be specifically related to a kind of communication transmission cable.
Background technology
Be accompanied by the development of modern communication technology, the demand of signal high-frequency transmission particularly, between inside communication equipment and communication equipment, a large amount of high-frequency transmission modes are used, also produced a large amount of stronger electromagnetic interference, the distortion of signal transmission is therefore also more and more higher to the requirement of cable together, also can produce the mutual interference of signal phase between the cable.So, disturbed for anti-stop signal, guarantee signal transmission quality, a kind of jamming-proof transmission cable need to be provided, in addition, the use of a large amount of insulating material causes cable size to increase, and has increased the volume and weight of cable.Therefore, provide a kind of good shield effectiveness that has, the volume that reduces in right amount again insulating material simultaneously is those skilled in the art's urgent problems.
Summary of the invention
In order to solve the problems of above-mentioned existence, the present invention aims to provide a kind of good shield effectiveness that has, and does not need again simultaneously the communication transmission cable of the insulating barrier that adds.
The invention provides a kind of communication transmission cable, the innermost layer of described cable is four wires, and described four wires are divided into two-layer up and down, and the upper and lower respectively are provided with two wires, the wire contraposition of the upper and lower is arranged, and every wire is many stranded the forming of silver-gilt copper wire all; Described cable comprises three layers of screen, every wire of the first screen parcel, and the first screen is the press mold structure of two layers of polyethylene film double team tin-coated copper silk screen; The secondary shielding layer is wrapped in the periphery of four wires that arrange, and described secondary shielding layer is the Cu coated fibre braid; The 3rd screen is wrapped in the periphery of secondary shielding layer, the 3rd screen for the B alloy wire that pulls into Sn-Al alloy as shielding material, be pressed into integrally formed top layer insulation system with polyethylene, the proportioning of Sn-Al alloy is: tin 1.5%-4.5%, rare earth element 0.1%-0.5%, all the other are fine aluminium.
Further, described Sn-Al alloy also comprises copper 1%-5%, magnesium 0.5%-2.3%.
Further, the polyethylene of described the 3rd screen is the polyethylene foamed with low dielectric loss coefficient.
Further, being provided with filler between four parcel the first screen wires fills the gap.
Further, described cable also comprises two-layer separator, and the first separator is wrapped in the periphery of four wires that arrange, and the secondary shielding layer is wrapped in the periphery of the first separator, the second separator is located at the periphery that is wrapped in the secondary shielding layer, and the 3rd screen is wrapped in the periphery of the second separator.
Further, the thickness of described the first screen is 0.12mm, and the thickness of secondary shielding layer is 0.10mm, and the thickness of the 3rd screen is 0.45mm.
The invention provides a kind of communication transmission cable, the innermost layer of described cable is four wires, and described four wires are divided into two-layer up and down, and the upper and lower respectively are provided with two wires, the wire contraposition of the upper and lower is arranged, and every wire is many stranded the forming of silver-gilt copper wire all; Described cable comprises three layers of screen, every wire of the first screen parcel, and the first screen is the press mold structure of two layers of polyethylene film double team tin-coated copper silk screen; The secondary shielding layer is wrapped in the periphery of four wires that arrange, and described secondary shielding layer is the Cu coated fibre braid; The 3rd screen is wrapped in the periphery of secondary shielding layer, the 3rd screen for the B alloy wire that pulls into Sn-Al alloy as shielding material, be pressed into integrally formed top layer insulation system with polyethylene.
Among the present invention, this communication transmission cable adopts three kinds of different screens, has greatly improved the capability of electromagnetic shielding of cable; In addition, adopt the compound suppressing of screen and insulating material, reduced the use of insulating material, reduced the volume and weight of cable.
Description of drawings
The sectional structure schematic diagram of a kind of communication transmission cable that Fig. 1 provides for the embodiment of the invention 1.
The sectional structure schematic diagram of a kind of communication transmission cable that Fig. 2 provides for the embodiment of the invention 2.
Embodiment
Further specify technical scheme of the present invention below by embodiment:
With reference to Fig. 1, the invention provides a kind of communication transmission cable, the innermost layer of described cable is four wires 1, described four wires 1 are divided into two-layer up and down, the upper and lower respectively are provided with two wires 1, and wire 1 contraposition of the upper and lower is arranged, and every wire 1 is many stranded the forming of silver-gilt copper wire all; Described cable comprises three layers of screen, and every wire 1, the first screen 2 of the first screen 2 parcels is the press mold structure of two layers of polyethylene film double team tin-coated copper silk screen; Secondary shielding layer 3 is wrapped in the periphery of four wires 1 that arrange, and described secondary shielding layer 3 is the Cu coated fibre braid; The 3rd screen 4 is wrapped in the periphery of secondary shielding layer 3, the 3rd screen 4 for the B alloy wire that pulls into Sn-Al alloy as shielding material, be pressed into integrally formed top layer insulation system with polyethylene, the proportioning of Sn-Al alloy is: tin 1.5%%, rare earth element 0.1%%, all the other are fine aluminium.
Among the present invention, described communication transmission cable adopts three kinds of different screens, has greatly improved the capability of electromagnetic shielding of cable; In addition, adopt the compound suppressing of screen and insulating material, reduced the use of insulating material, reduced the volume and weight of cable.
With reference to Fig. 2, the invention provides a kind of communication transmission cable, the innermost layer of described cable is four wires, described four wires are divided into two-layer up and down, the upper and lower respectively are provided with two wires, and the wire contraposition of the upper and lower is arranged, and every wire is many stranded the forming of silver-gilt copper wire all; Described cable comprises three layers of screen, every wire of the first screen parcel, and the first screen is the press mold structure of two layers of polyethylene film double team tin-coated copper silk screen; The secondary shielding layer is wrapped in the periphery of four wires that arrange, and described secondary shielding layer is the Cu coated fibre braid; The 3rd screen is wrapped in the periphery of secondary shielding layer, the 3rd screen for the B alloy wire that pulls into Sn-Al alloy as shielding material, be pressed into integrally formed top layer insulation system with polyethylene, the proportioning of Sn-Al alloy is: tin 4.5%, rare earth element 0.5%, copper 2.0%, magnesium 1.3%, all the other are fine aluminium; Further, described communication transmission cable also comprises two-layer separator, wherein, the first separator 5 is wrapped in the periphery of four wires that arrange, secondary shielding layer 3 is wrapped in the periphery of the first separator 5, the second separator 6 is located at the periphery that is wrapped in secondary shielding layer 3, and the 3rd screen 4 is wrapped in the periphery of the second separator 6.
By two-layer separator and three layers of screen are set, can further improve the capability of electromagnetic shielding of cable.
Among the present invention, described communication transmission cable adopts three kinds of different screens, has greatly improved the capability of electromagnetic shielding of cable; In addition, adopt the compound suppressing of screen and insulating material, reduced the use of insulating material, reduced the volume and weight of cable.
In above-described embodiment 1 and embodiment 2, the polyethylene of described the 3rd screen is the polyethylene foamed with low dielectric loss coefficient.Be provided with filler between four parcel the first screen wires the gap is filled, this filler can be gasket for packing, is provided with 5 gasket for packings in Fig. 1.
The thickness of described the first screen is 0.12mm, and the thickness of secondary shielding layer is 0.10mm, and the thickness of the 3rd screen is 0.45mm.
Top embodiment has just carried out exemplary description to the present invention; obvious realization of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the method design of invention and the various improvement that technical scheme is carried out; or directly apply to other occasion without improving the design that will invent and technical scheme, all in protection scope of the present invention.
Claims (6)
1. a communication transmission cable is characterized in that, the innermost layer of described cable is four wires, described four wires are divided into two-layer up and down, the upper and lower respectively are provided with two wires, and the wire contraposition of the upper and lower is arranged, and every wire is many stranded the forming of silver-gilt copper wire all; Described cable comprises three layers of screen, every wire of the first screen parcel, and the first screen is the press mold structure of two layers of polyethylene film double team tin-coated copper silk screen; The secondary shielding layer is wrapped in the periphery of four wires that arrange, and described secondary shielding layer is the Cu coated fibre braid; The 3rd screen is wrapped in the periphery of secondary shielding layer, the 3rd screen for the B alloy wire that pulls into Sn-Al alloy as shielding material, be pressed into integrally formed top layer insulation system with polyethylene, the proportioning of Sn-Al alloy is: tin 1.5%-4.5%, rare earth element 0.1%-0.5%, all the other are fine aluminium.
2. communication transmission cable according to claim 1 is characterized in that, described Sn-Al alloy also comprises copper 1%-5%, magnesium 0.5%-2.3%.
3. communication transmission cable according to claim 1 is characterized in that, the polyethylene of described the 3rd screen is the polyethylene foamed with low dielectric loss coefficient.
4. communication transmission cable according to claim 1 is characterized in that, is provided with filler between four parcel the first screen wires the gap is filled.
5. each described communication transmission cable according to claim 1-4, it is characterized in that, described cable also comprises two-layer separator, the first separator is wrapped in the periphery of four wires that arrange, the secondary shielding layer is wrapped in the periphery of the first separator, the second separator is located at the periphery that is wrapped in the secondary shielding layer, and the 3rd screen is wrapped in the periphery of the second separator.
6. each described communication transmission cable is characterized in that according to claim 1-4, and the thickness of described the first screen is 0.12mm, and the thickness of secondary shielding layer is 0.10mm, and the thickness of the 3rd screen is 0.45mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102762772A CN103377764A (en) | 2013-07-02 | 2013-07-02 | Communication transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102762772A CN103377764A (en) | 2013-07-02 | 2013-07-02 | Communication transmission cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103377764A true CN103377764A (en) | 2013-10-30 |
Family
ID=49462753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102762772A Pending CN103377764A (en) | 2013-07-02 | 2013-07-02 | Communication transmission cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103377764A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680685A (en) * | 2013-12-20 | 2014-03-26 | 浙江南网电气有限公司 | Dry overall shield insulating tubular bus |
| CN105741927A (en) * | 2013-12-04 | 2016-07-06 | 江苏亨通线缆科技有限公司 | Corrosion-resistant type flame-retardant orbital digital signal cable |
| CN111332336A (en) * | 2020-03-11 | 2020-06-26 | 郑州铁路职业技术学院 | Device and method for monitoring and early warning train speed of test line |
| US11875921B2 (en) * | 2017-10-24 | 2024-01-16 | Northrop Grumman Systems Corporation | Lightweight carbon nanotube cable comprising a pair of plated twisted wires |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225565B1 (en) * | 1999-06-07 | 2001-05-01 | The Untied States Of America As Represented By The Secretary Of The Navy | Flexible cable providing EMI shielding |
| CN200983283Y (en) * | 2006-11-20 | 2007-11-28 | 扬州市红旗电缆制造有限公司 | Signal transmission cable for road monitoring network |
| CN201622886U (en) * | 2010-01-26 | 2010-11-03 | 江苏赛特电气有限公司 | Self-regulating heating signal cable for oil-gas pipeline |
| CN102982887A (en) * | 2012-11-26 | 2013-03-20 | 晶锋集团股份有限公司 | Shielding communication cable |
-
2013
- 2013-07-02 CN CN2013102762772A patent/CN103377764A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225565B1 (en) * | 1999-06-07 | 2001-05-01 | The Untied States Of America As Represented By The Secretary Of The Navy | Flexible cable providing EMI shielding |
| CN200983283Y (en) * | 2006-11-20 | 2007-11-28 | 扬州市红旗电缆制造有限公司 | Signal transmission cable for road monitoring network |
| CN201622886U (en) * | 2010-01-26 | 2010-11-03 | 江苏赛特电气有限公司 | Self-regulating heating signal cable for oil-gas pipeline |
| CN102982887A (en) * | 2012-11-26 | 2013-03-20 | 晶锋集团股份有限公司 | Shielding communication cable |
Non-Patent Citations (1)
| Title |
|---|
| 中国标准出版社: "《中国国家标准汇编》", 30 September 2012 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105741927A (en) * | 2013-12-04 | 2016-07-06 | 江苏亨通线缆科技有限公司 | Corrosion-resistant type flame-retardant orbital digital signal cable |
| CN103680685A (en) * | 2013-12-20 | 2014-03-26 | 浙江南网电气有限公司 | Dry overall shield insulating tubular bus |
| CN103680685B (en) * | 2013-12-20 | 2016-08-17 | 浙江南网电气有限公司 | Dry type full-shield insulative tubular bus |
| US11875921B2 (en) * | 2017-10-24 | 2024-01-16 | Northrop Grumman Systems Corporation | Lightweight carbon nanotube cable comprising a pair of plated twisted wires |
| CN111332336A (en) * | 2020-03-11 | 2020-06-26 | 郑州铁路职业技术学院 | Device and method for monitoring and early warning train speed of test line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102231303B (en) | Shielding digital communication cable | |
| CN103377764A (en) | Communication transmission cable | |
| CN101174493B (en) | Communication transmission cable | |
| CN102982887A (en) | Shielding communication cable | |
| CN202816421U (en) | Minitype soft super-light data transmission cable | |
| CN208834801U (en) | One kind is around aluminium foil double shield cable architecture | |
| CN101599319B (en) | Light weather-proof signal shielding cable | |
| CN203596212U (en) | Signal cable | |
| CN205069154U (en) | Electric power and control signal composite cable | |
| CN201984900U (en) | Outdoor digital communication cable | |
| CN201845607U (en) | Tinned copper coated aluminum-magnesium communication PCM (pulse code modulation) junction cable | |
| CN204857293U (en) | Ocean engineering equips with low pressure frequency conversion cable | |
| CN211578425U (en) | Anti-interference connecting cable | |
| CN2729870Y (en) | Railway digital signal cable with internal shielding layer | |
| CN105070386A (en) | Reinforced anti-extrusion variable frequency cable | |
| CN210200334U (en) | Special shielding super-five data cable for wind power generation | |
| CN202632875U (en) | Communication cable with high water seepage resistant performance | |
| CN203150176U (en) | Anti-ultraviolet composite cable | |
| CN203150175U (en) | Special high voltage-resisting miniature power cable | |
| CN205194367U (en) | Shielding binode constructs cable | |
| CN204143952U (en) | Shield type communication data cable | |
| CN203733922U (en) | Cross linked polyvinyl chloride coaxial radio frequency cable | |
| CN213025534U (en) | Cable for 5G communication | |
| CN207124054U (en) | Anti- electromagnetic interference electric wire | |
| CN201877207U (en) | Thin two-layer co-extrusion foaming coaxial cable for insulation semiconductor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131030 |