CN204010815U - A kind of circular coaxial cable for high-frequency data transmission - Google Patents
A kind of circular coaxial cable for high-frequency data transmission Download PDFInfo
- Publication number
- CN204010815U CN204010815U CN201420458525.5U CN201420458525U CN204010815U CN 204010815 U CN204010815 U CN 204010815U CN 201420458525 U CN201420458525 U CN 201420458525U CN 204010815 U CN204010815 U CN 204010815U
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- Prior art keywords
- pair twist
- transmssion line
- circular
- coaxial cable
- coated
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/20—Cables having a multiplicity of coaxial lines
Abstract
The utility model discloses a kind of circular coaxial cable for high-frequency data transmission, comprise electric wire, pair twist signal transmssion line, parallel signal transmission line, outer shielding layer, ground wire and and oversheath, oversheath is arranged on the outermost layer of cable, the internal layer surface of oversheath is connected with outer shielding layer, and the inside of outer shielding layer is coated with electric wire, pair twist signal transmssion line, ground wire and parallel signal transmssion line.Described parallel signal transmission line comprises four pairs of parallel signal transmission lines pair, described pair twist signal transmssion line comprises some pair twist signal transmssion line cable cores, four pairs of described parallel signal transmission lines are to forming circular distribution with part pair twist signal transmssion line cable core, and circular inside is coated with and has neither part nor lot in the transmission of pair twist signal cable core, electric wire and the ground wire that form circular distribution.Circular eight shaft cables of the present utility model have that transmission speed is fast, shield effectiveness good, stability is excellent and connect up feature easily.
Description
Technical field
The utility model relates to high-frequency signal wire rod field, specifically refers to a kind of circular coaxial cable for high-frequency data transmission.
Background technology
In recent years, along with popularizing of 3C number, high-frequency data transmission causes more and more people's concern.Traditional high-frequency data transmission wire rod adopts USB2.0 standard more, exist difference differential impedance high, transmission delay differences is large, and decay, near-end loss, long-range loss, volume of transmitted data all exist certain defect, can not adapt to the requirement of modern product in speed, range of application is relatively limited to.And more and more stronger along with modern's space layout idea, has also proposed new requirement for volume exclusion, the convenience of high-frequency data transmission wire rod.Directly by the cable core of coaxial configuration and other, electric wire cable core is stranded forms in process of production for the structure of tradition USB3.1 coaxial line, because the cable core to coaxial configuration is not fixed, it easily causes the fixing inhomogeneous situation of extruding and position to the cable core of coaxial configuration in process of production, thereby affected the cable core of coaxial configuration in the time of test high-frequency transmission performance, the differential signal decay between the cable core of coaxial configuration and the conversion of difference common mode cannot reach the user demand in market.
Utility model content
The purpose of this utility model is to provide a kind of circular coaxial cable for high-frequency data transmission, has that transmission speed is fast, shield effectiveness good, stability is excellent and connect up feature easily.
The utility model can be achieved through the following technical solutions:
The utility model discloses a kind of circular coaxial cable for high-frequency data transmission, comprise electric wire, pair twist signal transmssion line, parallel signal transmission line, outer shielding layer, ground wire and and oversheath, oversheath is arranged on the outermost layer of cable, the internal layer surface of oversheath is connected with outer shielding layer, and the inside of outer shielding layer is coated with electric wire, pair twist signal transmssion line, ground wire and parallel signal transmssion line.Described parallel signal transmission line comprises four pairs of parallel signal transmission lines pair, described pair twist signal transmssion line comprises some pair twist signal transmssion line cable cores, four pairs of described parallel signal transmission lines are to forming circular distribution with part pair twist signal transmssion line cable core, and circular inside is coated with and has neither part nor lot in the transmission of pair twist signal cable core, electric wire and the ground wire that form circular distribution.Adopt parallel signal transmission line to the circular distribution of pair twist signal transmission cable, internal signal position is even, interference reduces greatly, has both effectively improved transmission speed, has reduced again the interference between diverse location, has ensured the stability of transmission; Adopt the right form of line to occur, avoided the interference of signal transmission to each other of single cable,, avoid traditional coaxial configuration cable core because structure is unfixing and the impact of the inhomogeneous high-frequency signal transmission causing of position distribution; Adopt the wrapped structure by the fixing arrangement arranged side by side of the cable core set of two coaxial configurations of cotton paper can effectively reduce rear operation and make the impact on its high frequency signal attenuation, ensure the high stability of high-frequency signal transmission.
Preferably, described parallel signal transmission line is to comprising two coaxial cable cores, described coaxial cable core is wrapped stranded by cotton paper, can make two coaxial cable cores with right being formed into occurring of parallel signal transmission line by cotton paper is stranded, convenient fixing, convenience is the processing processing of operation afterwards, has effectively promoted the yield of product.
Preferably, described pair twist signal transmssion line is USB2.0 pair twist signal transmssion line, described pair twist signal transmission cable core comprises pair twist signal metal conductor, fluoroplastic insulation layer and metallic conduction screen, described fluoroplastic insulation layer is coated on pair twist signal metal conductor outer surface, described metallic conduction covers layer and is coated on fluoroplastic insulation layer outer surface, and described metallic conduction screen is aluminium foil.Using fluoroplastics as insulating barrier, media stabilize, transmission attenuation is little, loss of signal is little, and minimum internal delay is poor, has ensured the stability of transmission.
Preferably, described coaxial cable core comprises coaxial signal metallic conductor, fluoroplastics overcoat and internal shield, and described fluoroplastics overcoat is coated on the outer surface of coaxial signal metallic conductor, and described internal shield is coated on fluoroplastics overcoat outer surface.Using fluoroplastics as overcoat, media stabilize, transmission attenuation is little, loss of signal is little, and minimum delay is poor, has ensured the stability of transmission.
Preferably, described internal shield comprises copper cash winding layer and fluoroplastics screen, and described copper cash winding layer is wrapped in described fluoroplastic insulation layer outer surface, and described fluoroplastics screen is coated on copper cash winding layer outer surface.The material of described fluoroplastics screen is that flexibility is good, and shield effectiveness is good, and copper foil layer is coated on copper cash winding layer surface, has not only strengthened shield effectiveness, also guarantees the signal attenuation that wire rod produces because of production in rear processing procedure.
Preferably, described metallic conductor is tin-coated copper, and described oversheath is PVC insulating barrier or TPE insulating barrier, has high-tensile, high elongation rate, and the long advantage of anti-aging, life-span.Meanwhile, the color of oversheath can be set as required, conveniently carry out the identification of product, also improve the discrimination of follow-up wiring.
High-frequency data transmission cable described in the utility model, compared with traditional transmission cable, has following beneficial effect:
The first, transmission speed is fast, adopts circular parallel signal transmission line to transmitting the circular distribution of cable core with pair twist signal, and each position signalling transmission speed is consistent, and no signal transmission short slab, effectively promotes transmission speed;
The second, shield effectiveness is good, and parallel signal transmission line and pair twist holding wire are circular fixed arrangement, and position distribution is even, the interference that effectively reduction causes with each other;
Three, stability is excellent, and parallel signal transmission line, electric wire and pair twist holding wire independently arrange, and coordinates and is provided with overcoat, insulating barrier or screen simultaneously, effectively inner hop is protected, and improves stability;
Four, wiring is convenient, adopts circular appearance, and threading via hole is convenient, wire rod softness, and wiring operations is simple.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of a kind of circular coaxial cross-section of cable for high-frequency data transmission of the utility model;
Accompanying drawing 2 is the right cross section structure schematic diagram of parallel signal transmission line of a kind of circular coaxial cable for high-frequency data transmission of the utility model;
Reference numeral comprises: 1, oversheath, 2, parallel signal transmission line, 3, pair twist signal transmssion line, 4, electric wire, 21, parallel signal transmission line pair, 31, pair twist signal transmission cable, 41, electric wire pair, 211, coaxial cable core, 212, cotton paper, 2111, coaxial signal metallic conductor, 2112, fluoroplastics overcoat, 2113, internal shield, 21131, copper cash winding layer, 21132, fluoroplastics screen, 311, coaxial signal metallic conductor, 312, fluoroplastic insulation layer, 313, metallic conduction screen.
Embodiment
In order to make those skilled in the art person understand better the technical solution of the utility model, below in conjunction with embodiment and accompanying drawing, the utility model product is described in further detail.
As shown in Figure 1, the utility model discloses a kind of circular coaxial cable for high-frequency data transmission, comprise electric wire 4, pair twist signal transmssion line 3, parallel signal transmission line 2, outer shielding layer 5, ground wire 6 and and oversheath 1, oversheath 1 is arranged on the outermost layer of cable, the internal layer surface of oversheath 1 is connected with outer shielding layer 5, and the inside of outer shielding layer 5 is coated with electric wire 4, pair twist signal transmssion line 3, ground wire 6 and parallel signal transmssion line 2.Described parallel signal transmission line 2 comprises that four pairs of parallel signal transmission lines are to 21, described pair twist signal transmssion line 3 comprises some pair twist signal transmssion line cable cores 31, four pairs of described parallel signal transmission lines to 21 and part pair twist signal transmssion line cable core 31 form circular distribution, circular inside is coated with and has neither part nor lot in the pair twist signal transmission cable core 31, electric wire 4 and the ground wire 6 that form circular distribution.Described oversheath 1 is PVC insulating barrier or TPE insulating barrier.Described outer shielding layer 5 is double-layer shielding structure, is made up of respectively aluminium foil and copper wire woven.
As shown in Figure 1, described parallel signal transmission line comprises two coaxial cable cores 211 to 21, and described coaxial cable core 211 is wrapped stranded by cotton paper 212.
As shown in Figure 1, described pair twist signal transmssion line 3 is USB2.0 pair twist signal transmssion line, described pair twist signal transmssion line cable core 31 comprises pair twist signal metal conductor 311, fluoroplastic insulation layer 312 and metallic conduction screen 313, described fluoroplastic insulation layer 312 is coated on pair twist signal metal conductor 311 outer surfaces, described metallic conduction covers layer 313 and is coated on fluoroplastic insulation layer 312 outer surface, and described metallic conduction screen 313 is aluminium foil.
As shown in Figure 2, described coaxial cable core 211 comprises coaxial signal metallic conductor 2111, fluoroplastics overcoat 2112 and internal shield 2113, described fluoroplastics overcoat 2112 is coated on the outer surface of coaxial signal metallic conductor 2111, and described internal shield 2113 is coated on fluoroplastics overcoat 2112 outer surfaces.
As shown in Figure 2, described internal shield 2113 comprises copper cash winding layer 21131, fluoroplastics screen 21132, described copper cash winding layer 21131 is wrapped in described fluoroplastic insulation layer 2112 outer surface, and described fluoroplastics screen 21132 is coated on copper cash winding layer 21131 outer surfaces.
The above, be only preferred embodiment of the present utility model, not the utility model done to any pro forma restriction; The those of ordinary skill of all industry all can be implemented the utility model with the above shown in by specification accompanying drawing swimmingly; But all those skilled in the art are not departing within the scope of technical solutions of the utility model, can utilize disclosed above technology contents and a little change, the modification of making and the equivalent variations developing, be equivalent embodiment of the present utility model; Meanwhile, the change of any equivalent variations that all foundations essence technology of the present utility model is done above embodiment, modification and differentiation etc., within all still belonging to the protection range of the technical solution of the utility model.
Claims (6)
1. the circular coaxial cable for high-frequency data transmission, comprise electric wire (4), pair twist signal transmssion line (3), parallel signal transmission line (2), outer shielding layer (5), ground wire (6) and and oversheath (1), oversheath (1) is arranged on the outermost layer of cable, the internal layer surface of oversheath (1) is connected with outer shielding layer (5), the inside of outer shielding layer (5) is coated with electric wire (4), pair twist signal transmssion line (3), ground wire (6) and parallel signal transmssion line (2), it is characterized in that: described parallel signal transmission line (2) comprises that four pairs of parallel signal transmission lines are to (21), described pair twist signal transmssion line (3) comprises some pair twist signal transmssion line cable cores (31), four pairs of described parallel signal transmission lines form circular distribution to (21) and part pair twist signal transmssion line cable core (31), circular inside is coated with and has neither part nor lot in the pair twist signal transmission cable core (31) that forms circular distribution, electric wire (4) and ground wire (6).
2. the circular coaxial cable for high-frequency data transmission according to claim 1, it is characterized in that: described parallel signal transmission line comprises two coaxial cable cores (211) to (21), described coaxial cable core (211) is wrapped stranded by cotton paper (212).
3. the circular coaxial cable for high-frequency data transmission according to claim 1 and 2, it is characterized in that: described pair twist signal transmssion line (3) is USB2.0 pair twist signal transmssion line, described pair twist signal transmission cable (31) comprises pair twist signal metal conductor (311), fluoroplastic insulation layer (312) and metallic conduction screen (313), described fluoroplastic insulation layer (312) is coated on pair twist signal metal conductor (311) outer surface, described metallic conduction covers layer (313) and is coated on fluoroplastic insulation layer (312) outer surface, described metallic conduction screen (313) is aluminium foil.
4. the circular coaxial cable for high-frequency data transmission according to claim 3, it is characterized in that: described coaxial cable core (211) comprises coaxial signal metallic conductor (2111), fluoroplastics overcoat (2112) and internal shield (2113), described fluoroplastics overcoat (2112) is coated on the outer surface of coaxial signal metallic conductor (2111), and described internal shield (2113) is coated on fluoroplastics overcoat (2112) outer surface.
5. the circular coaxial cable for high-frequency data transmission according to claim 4, it is characterized in that: described internal shield (2113) comprises copper cash winding layer (21131) and fluoroplastics screen (211312), described copper cash winding layer (21131) is wrapped in described fluoroplastic insulation layer (2112) outer surface, and described fluoroplastics screen (211312) is coated on copper cash winding layer (21131) outer surface.
6. according to the circular coaxial cable for high-frequency data transmission described in claim 4 or 5, it is characterized in that: described oversheath (1) is PVC insulating barrier or TPE insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458525.5U CN204010815U (en) | 2014-08-14 | 2014-08-14 | A kind of circular coaxial cable for high-frequency data transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458525.5U CN204010815U (en) | 2014-08-14 | 2014-08-14 | A kind of circular coaxial cable for high-frequency data transmission |
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| Publication Number | Publication Date |
|---|---|
| CN204010815U true CN204010815U (en) | 2014-12-10 |
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| CN201420458525.5U Active CN204010815U (en) | 2014-08-14 | 2014-08-14 | A kind of circular coaxial cable for high-frequency data transmission |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957612A (en) * | 2016-06-24 | 2016-09-21 | 安徽宜德电子有限公司 | Longitudinally-wrapped aluminum plastic composite band coaxial cable |
| WO2017014950A1 (en) * | 2015-07-22 | 2017-01-26 | The Chemours Company Fc, Llc | Usb cable for super speed data transmission |
| CN106782807A (en) * | 2017-03-02 | 2017-05-31 | 东莞福川电线电缆科技有限公司 | A kind of shielding practicality earphone cord high |
| CN108091437A (en) * | 2018-01-23 | 2018-05-29 | 苏州科宝光电科技有限公司 | Intelligent automobile control system high-frequency data cable |
| JP2019029262A (en) * | 2017-08-01 | 2019-02-21 | 住友電気工業株式会社 | Production method of multicore cable and multicore cable |
| CN109859888A (en) * | 2019-02-01 | 2019-06-07 | 神宇通信科技股份公司 | A kind of high speed parallel cable of digital communication |
| US10784022B1 (en) | 2019-04-15 | 2020-09-22 | Cheng Uei Precision Industry Co., Ltd. | Cable structure |
-
2014
- 2014-08-14 CN CN201420458525.5U patent/CN204010815U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017014950A1 (en) * | 2015-07-22 | 2017-01-26 | The Chemours Company Fc, Llc | Usb cable for super speed data transmission |
| CN106448908A (en) * | 2015-07-22 | 2017-02-22 | 科慕埃弗西有限公司 | USB cable for super speed data transmission |
| CN105957612A (en) * | 2016-06-24 | 2016-09-21 | 安徽宜德电子有限公司 | Longitudinally-wrapped aluminum plastic composite band coaxial cable |
| CN106782807A (en) * | 2017-03-02 | 2017-05-31 | 东莞福川电线电缆科技有限公司 | A kind of shielding practicality earphone cord high |
| JP2019029262A (en) * | 2017-08-01 | 2019-02-21 | 住友電気工業株式会社 | Production method of multicore cable and multicore cable |
| CN108091437A (en) * | 2018-01-23 | 2018-05-29 | 苏州科宝光电科技有限公司 | Intelligent automobile control system high-frequency data cable |
| CN109859888A (en) * | 2019-02-01 | 2019-06-07 | 神宇通信科技股份公司 | A kind of high speed parallel cable of digital communication |
| US10784022B1 (en) | 2019-04-15 | 2020-09-22 | Cheng Uei Precision Industry Co., Ltd. | Cable structure |
| EP3726540A1 (en) * | 2019-04-15 | 2020-10-21 | Cheng Uei Precision Industry Co., Ltd. | Cable structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |