CN204792177U - High temperature resistant high frequency data transmits coaxial cable - Google Patents
High temperature resistant high frequency data transmits coaxial cable Download PDFInfo
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- CN204792177U CN204792177U CN201520376871.3U CN201520376871U CN204792177U CN 204792177 U CN204792177 U CN 204792177U CN 201520376871 U CN201520376871 U CN 201520376871U CN 204792177 U CN204792177 U CN 204792177U
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- oversheath
- signal transmission
- coaxial cable
- pair twist
- parallel signal
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Abstract
The utility model discloses a high temperature resistant high frequency data transmits coaxial cable, including electronics line, pair twist signal transmission line, parallel signal transmission line and oversheath, the oversheath setting is outmost the cable, and electronics line, pair twist signal transmission line and parallel signal transmission line set up in the inside of oversheath, the inside cellular texture that is of oversheath, the material of oversheath is polyphenylene sulphone resin. The utility model discloses a coaxial cable has that high temperature resistance is good, long service life, low cost and the fast characteristics of transmission speed.
Description
Technical field
The utility model relates to high-frequency signal transmission wire material field, specifically refers to a kind of high-temperature-resistant high-frequency transfer of data coaxial cable.
Background technology
In recent years, along with popularizing of 3C number, high frequency data transfer causes the concern of more and more people, and therefore, high frequency data transfer coaxial cable has prospect more widely.Traditional high frequency data transfer wire rod many employings USB2.0 standard, there is differential impedance high, transmission delay differences is large, and decay, all there is certain defect in near-end loss, remote loss, volume of transmitted data, can not adapt to the requirement of modern product in speed, range of application compares limitation.But, current high frequency data transfer coaxial cable is in the selection of sheath material, basic is polyvinylchloride and thermoplastic elastomer (TPE) TPE, the main component of thermoplastic elastomer (TPE) TPE is polyvinylchloride, polypropylene PP, polythene PE and polystyrene PS etc., the serviceability temperature of polyvinylchloride is generally no more than 85 DEG C, the serviceability temperature of polypropylene PP is generally no more than 45 DEG C, the serviceability temperature of polythene PE is generally no more than 40 DEG C, the serviceability temperature of polystyrene PS is generally no more than 70 DEG C, directly constrain the use of high frequency data transfer coaxial cable in high-temperature severe environment, thus the useful life causing high frequency data transfer coaxial cable is too short.Repair and replacement frequency crosses the problems such as high.
Utility model content
The purpose of this utility model is to provide a kind of high-temperature-resistant high-frequency transfer of data coaxial cable, has that heat-resisting quantity is good, long service life, the feature that with low cost, applied widely and transmission speed is fast.
The utility model can be achieved through the following technical solutions:
The utility model discloses a kind of high-temperature-resistant high-frequency transfer of data coaxial cable, comprise electric wire, pair twist signal transmssion line, parallel signal transmission line and oversheath, oversheath is arranged on the outermost layer of cable, electric wire, pair twist signal transmssion line and parallel signal transmssion line are arranged on the inside of oversheath, described oversheath inside is alveolate texture, the oversheath of described oversheath to be material be polyphenylene sulphone resin.Polyphenylene sulphone resin english abbreviation is PPSU, and polyphenylene sulphone resin PPSU is a kind of unbodied thermal plastic, has heigh clarity, high hydrolytic stability.Goods can stand the moise-heat sterilization of repetition, routine use temperature reaches as high as 180 DEG C, compare traditional polyvinylchloride, polypropylene PP, polythene PE, the lifting of polystyrene PS resistance to elevated temperatures clearly, extend the scope of application of high frequency data transfer coaxial cable.And, by alveolate texture, both form a large amount of heat insulation pores in polyphenylene sulphone resin PPSU inside and promote resistance to elevated temperatures further, effectively simplify the course of processing again, save material cost.
As further improvement of the utility model, described oversheath is flat, described parallel signal transmission line is arranged on the inner side of oversheath, and described parallel signal transmission line comprises four pairs of parallel signal transmission lines pair, and described four pairs of parallel signal transmission lines are to being double-deck laid out in parallel; Described electric wire is arranged on the opposite side of oversheath inside, and described electric wire comprises pair of electrons line pair, and described electric wire is to vertical arrangement; Described pair twist signal transmssion line is arranged between described parallel signal transmission line and electric wire.Employing platypelloid type designs, and can meet comparatively narrow space requirement, very convenient wiring in practice of construction wiring; Adopt parallel signal transmission line to two-layer side by side and electric wire vertical point both sides and pair twist holding wire are arranged between two parties, both effectively utilized platypelloid type space, also very convenient in processing, effectively improve the effect shielded; The form adopting line right occurs, ensure that the stability of signal transmission, avoids the impact of the high-frequency signal transmission that conventional coaxial structure cable core causes because structure is unfixing and position distribution is uneven, substantially increases the speed of transmission; The structure adopting the wrapped cable core set by two coaxial configurations of aluminium foil to fix arranged in parallel effectively can reduce the impact of rear operation making on its high frequency signal attenuation, ensures the high stability of high-frequency signal transmission.
As further improvement of the utility model, described oversheath is circular, the internal layer surface of described oversheath is connected with outer shielding layer, 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, described four pairs of parallel signal transmission lines form circular distribution to part pair twist signal transmssion line cable core, circular inside is coated with the pair twist Signal transmissions cable core having neither part nor lot in and form circular distribution, electric wire and ground wire.Adopt parallel signal transmission line to distribution circular with pair twist signal transmission cable, internal signal position is even, and interference reduces greatly, both effectively improves transmission speed, again reduces the interference between diverse location, ensure that the stability of transmission; Adopt the right form of line to occur, avoid the interference of single cable Signal transmissions to each other, avoid the impact of the high-frequency signal transmission that conventional coaxial structure cable core causes because structure is fixing and position distribution is uneven; The structure adopting the wrapped cable core set by two coaxial configurations of cotton paper to fix arranged in parallel effectively can reduce the impact of rear operation making on its high frequency signal attenuation, ensures the high stability of high-frequency signal transmission.
As further improvement of the utility model, described parallel signal transmission line is to comprising two coaxial cable cores, and described coaxial cable core is wrapped stranded by aluminium foil, stranded by aluminium foil, making two coaxial cable cores with parallel signal transmission line to connecting up, effectively reducing the difficulty of processing.
As further improvement of the utility model, described pair twist signal transmssion line is USB2.0 pair twist signal transmssion line, comprises some pair twist Signal transmissions cable cores.
As further improvement of the utility model, described coaxial cable core comprises coaxial signal metallic conductor, fluoroplastics overcoat and internal shield, 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 internal delay is poor, ensure that the stability of transmission.
Preferably, described internal shield comprises copper cash winding layer, copper foil layer and polyester layer, and described copper cash winding layer is wrapped in described fluoroplastic insulation layer outer surface, and described copper foil layer is coated on copper cash winding layer outer surface, and described polyester layer is coated on copper foil layer outer surface.The material of described copper foil tape is Copper Foil, and its flexibility is good, and shield effectiveness is good, and copper foil layer is coated on copper cash winding layer surface, not only enhances shield effectiveness, also guarantees the signal attenuation that wire rod produces because of production in rear processing procedure; Polyester layer, as protective layer, can be selected the polyester material without color as required, thus effectively distinguish in the application of product.
High frequency data transfer cable described in the utility model, compared with traditional transmission cable, has following beneficial effect:
The first, heat-resisting quantity is good, and polyphenylene sulphone resin PPSU the highest daily serviceability temperature is 180 DEG C, and a large amount of insulated bubble of alveolate texture formation in addition, effectively promote the resistance to elevated temperatures of high frequency data transfer coaxial cable;
The second, long service life, the oversheath of coaxial cable selects polyphenylene sulphone resin to carry out cellular processing characteristics, effectively promotes its heat-resisting quantity, extends its useful life;
Three, with low cost, by alveolate texture, effectively save the material cost of polyphenylene sulphone resin, simplify difficulty of processing;
Four, applied widely, adopt the high frequency data transfer coaxial cable of this oversheath not to be only applicable to conventional place, be also applicable to high temperature application region, expanded its scope of application;
Five, transmission speed is fast, with USB3.1 transmission standard at platypelloid type or circular oversheath inner Rational Arrangement parallel signal transmission line, electric wire and pair twist holding wire, effectively promotes transmission speed.
Accompanying drawing explanation
Fig. 1 is the structural representation in the cross section of a kind of high-temperature-resistant high-frequency transfer of data of the utility model coaxial cable embodiment 1;
Fig. 2 is the cross section structure schematic diagram of a kind of high-temperature-resistant high-frequency transfer of data of the utility model coaxial cable embodiment 2.
In figure, mark comprises: 1, oversheath, and 2, parallel signal transmission line, 3, pair twist signal transmssion line, 4, electric wire, 5, outer shielding layer, 21, parallel signal transmission line pair, 31, pair twist Signal transmissions cable core, 41, electric wire pair.
Embodiment
In order to make those skilled in the art person understand the technical solution of the utility model better, below in conjunction with embodiment and accompanying drawing, the utility model product is described in further detail.
Embodiment 1
As shown in Figure 1, the utility model discloses a kind of high-temperature-resistant high-frequency transfer of data coaxial cable, comprise electric wire 4, pair twist signal transmssion line 3, parallel signal transmission line 2 and oversheath 1, oversheath 1 is arranged on the outermost layer of cable, electric wire 4, pair twist signal transmssion line 3 are arranged on the inside of oversheath 1 with parallel signal transmssion line 2, described oversheath 1 inside is alveolate texture, described oversheath 1 for material be the oversheath of polyphenylene sulphone resin.
As shown in Figure 1, described oversheath 1 is in flat, and described parallel signal transmission line 2 is arranged on the inner side of oversheath 1, and described parallel signal transmission line 2 comprises four pairs of parallel signal transmission lines to 21, and described four pairs of parallel signal transmission lines are double-deck laid out in parallel to 21; Described electric wire 4 is arranged on the opposite side of oversheath 1 inside, and described electric wire 4 comprises pair of electrons line to 41, and described electric wire is vertically arranged to 41; Described pair twist signal transmssion line 3 is arranged between parallel signal transmission line 2 and electric wire 4.
As shown in Figure 1, described parallel signal transmission line comprises two coaxial cable cores to 21, and described coaxial cable core is wrapped stranded by aluminium foil.Described pair twist signal transmssion line 3 is USB2.0 pair twist signal transmssion line 3, comprises some pair twist Signal transmissions cable cores 31.Described coaxial cable core comprises coaxial signal metallic conductor, fluoroplastics overcoat and internal shield.
Embodiment 2
As shown in Figure 2, the utility model discloses a kind of high-temperature-resistant high-frequency transfer of data coaxial cable, comprise electric wire 4, pair twist signal transmssion line 3, parallel signal transmission line 2 and oversheath 1, oversheath 1 is arranged on the outermost layer of cable, electric wire 4, pair twist signal transmssion line 3 are arranged on the inside of oversheath 1 with parallel signal transmssion line 2, described oversheath 1 inside is alveolate texture, described oversheath 1 for material be the oversheath of polyphenylene sulphone resin.
As shown in Figure 2, described oversheath 1 is circular, the internal layer surface of described 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 and parallel signal transmssion line 2, described parallel signal transmission line 2 comprises four pairs of parallel signal transmission lines to 21, described pair twist signal transmssion line 3 comprises some pair twist signal transmssion line 3 cable cores, described four pairs of parallel signal transmission lines form circular distribution to 21 and part pair twist signal transmssion line 3 cable core, circular inside is coated with the pair twist Signal transmissions cable core 31 having neither part nor lot in and form circular distribution, electric wire 4 and ground wire.
As shown in Figure 2, described parallel signal transmission line comprises two coaxial cable cores to 21, and described coaxial cable core is wrapped stranded by aluminium foil.Described pair twist signal transmssion line 3 is USB2.0 pair twist signal transmssion line 3, comprises some pair twist Signal transmissions cable cores 31.Described coaxial cable core comprises coaxial signal metallic conductor, fluoroplastics overcoat and internal shield.
The above, be only preferred embodiment of the present utility model, not does any pro forma restriction to the utility model; The those of ordinary skill of all industry all can shown in by specification accompanying drawing and the above and implement the utility model swimmingly; But all those skilled in the art are not departing within the scope of technical solutions of the utility model, disclosed above technology contents can be utilized and make a little change, modify with differentiation equivalent variations, be Equivalent embodiments of the present utility model; Meanwhile, all according to substantial technological of the present utility model to the change of any equivalent variations that above embodiment is done, modify and differentiation etc., within the protection range all still belonging to the technical solution of the utility model.
Claims (6)
1. a high-temperature-resistant high-frequency transfer of data coaxial cable, comprise electric wire (4), pair twist signal transmssion line (3), parallel signal transmission line (2) and oversheath (1), oversheath (1) is arranged on the outermost layer of cable, electric wire (4), pair twist signal transmssion line (3) and parallel signal transmssion line (2) are arranged on the inside of oversheath (1), it is characterized in that: described oversheath (1) inside for alveolate texture, described oversheath (1) for material be the oversheath of polyphenylene sulphone resin.
2. high-temperature-resistant high-frequency transfer of data coaxial cable according to claim 1, is characterized in that:
Described oversheath (1) is in flat, described parallel signal transmission line (2) is arranged on oversheath (1) inner side, described parallel signal transmission line (2) comprises four pairs of parallel signal transmission lines to (21), described four pairs of parallel signal transmission lines to (21) in double-deck laid out in parallel; Described electric wire (4) is arranged on the inner opposite side of oversheath (1), and described electric wire (4) comprises pair of electrons line to (41), and described electric wire is vertically arranged to (41); Described pair twist signal transmssion line (3) is arranged between described parallel signal transmission line (2) and electric wire (4).
3. high-temperature-resistant high-frequency transfer of data coaxial cable according to claim 1, it is characterized in that: described oversheath (1) is for circular, the internal layer surface of described 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 and parallel signal transmssion line (2), described parallel signal transmission line (2) comprises four pairs of parallel signal transmission lines to (21), described pair twist signal transmssion line (3) comprises some pair twist signal transmssion line (3) cable cores, described four pairs of parallel signal transmission lines form circular distribution to (21) and part pair twist signal transmssion line (3) cable core, circular inside is coated with the pair twist Signal transmissions cable core (31) having neither part nor lot in and form circular distribution, electric wire (4) and ground wire.
4. high-temperature-resistant high-frequency transfer of data coaxial cable according to Claims 2 or 3, is characterized in that: described parallel signal transmission line comprises two coaxial cable cores to (21), and described coaxial cable core is wrapped stranded by aluminium foil.
5. high-temperature-resistant high-frequency transfer of data coaxial cable according to claim 4, is characterized in that: described pair twist signal transmssion line (3) is USB2.0 pair twist signal transmssion line (3), comprises some pair twist Signal transmissions cable cores (31).
6. high-temperature-resistant high-frequency transfer of data coaxial cable according to claim 5, is characterized in that: described coaxial cable core comprises coaxial signal metallic conductor, fluoroplastics overcoat and internal shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520376871.3U CN204792177U (en) | 2015-06-03 | 2015-06-03 | High temperature resistant high frequency data transmits coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520376871.3U CN204792177U (en) | 2015-06-03 | 2015-06-03 | High temperature resistant high frequency data transmits coaxial cable |
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| Publication Number | Publication Date |
|---|---|
| CN204792177U true CN204792177U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520376871.3U Active CN204792177U (en) | 2015-06-03 | 2015-06-03 | High temperature resistant high frequency data transmits coaxial cable |
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| Country | Link |
|---|---|
| CN (1) | CN204792177U (en) |
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2015
- 2015-06-03 CN CN201520376871.3U patent/CN204792177U/en active Active
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