CN103871538A - Shielding body in extremely-thin coaxial cable - Google Patents
Shielding body in extremely-thin coaxial cable Download PDFInfo
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- CN103871538A CN103871538A CN201410090243.9A CN201410090243A CN103871538A CN 103871538 A CN103871538 A CN 103871538A CN 201410090243 A CN201410090243 A CN 201410090243A CN 103871538 A CN103871538 A CN 103871538A
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Abstract
The invention discloses a shielding body in an extremely-thin coaxial cable. The shielding body is formed by weaving extremely-thin metal wire strips, wherein the metal wire strips are divided into two groups, the two groups of metal wire strips are different in component, wrapping operations are carried out by the two groups of metal wire strips from top to bottom in different helix angles, and the metal wire strips are divided into a positive rotation group and a negative rotation group. According to the shielding body in the extremely-thin coaxial cable, disclosed by the invention, the structural design is reasonable, the material selecting and matching is appropriate, the preparation technology is simple, convenient and scientific, a prepared finished product has a good comprehensive mechanical performance, the chemical performance and the physical performance are stable, the shielding performance and the transmission performance of a radio signal are prominent, and thus the using performance of a prepared extremely-thin coaxial cable can be more excellent.
Description
Technical field
The present invention relates to shield in a kind of Ultrathin coaxial cable, relate in particular to a kind of shielding properties good, and there is shield in the Ultrathin coaxial cable of well anti-corrosion, anti-oxidant and tensile strength, belong to Ultrathin coaxial cable technical field.
Background technology
In recent years, along with the continuous quickening of mobile phone, the notebook computer consumer electronics product that is representative and communication, medical treatment, the microminiaturized development trend of military electronic product, performance requirement improves constantly, and the traditional wiring such as flat cable, the flexible PCB element that transmits various frequency signals in these products is transmitted rapidly the Ultrathin coaxial cable that speed is higher, frequency band is wider and anti-electromagnetic interference is strong and replaces.Particularly middle nineteen nineties in last century mobile communication universal, promoted especially research and development and the large-scale production of Ultrathin coaxial cable.
In existing technology, Ultrathin coaxial cable is made up of inner wire, plastic insulation, mesh shields body and crust mostly, and wherein, mesh shields body makes by the braiding of tinsel strip adoption or the non-woven mode winding plastic insulator of material of the same race mostly.Due to, the material of mesh shields body is single, and therefore, its combination property is also comparatively single, limit its screening ability to radio signal and the ability of cope with bad environment, also affected to a certain extent laser propagation effect and the serviceability of Ultrathin coaxial cable simultaneously.
Summary of the invention
For the demand, the invention provides shield in a kind of Ultrathin coaxial cable, this shield reasonable in design, material apolegamy is proper, has good mechanics, chemistry and physical property simultaneously, and signal shielding ability is outstanding.
The present invention is shield in a kind of Ultrathin coaxial cable, this shield is formed by the braiding of very fine wires lines, described wire lines are divided into two groups, two groups of wire lines composition differences, and carrying out wrapped operation from top to bottom with different helical angles, described wire lines are divided into dextrorotation group and negative rotation group.
In a preferred embodiment of the present invention, the main component of described dextrorotation group wire lines is fine copper silk thread and aluminium wire line.
In a preferred embodiment of the present invention, the main component of described negative rotation group wire lines is tin-coated copper silk thread and almag silk thread.
In a preferred embodiment of the present invention, the string diameter ratio of described dextrorotation group and negative rotation group wire lines is about 0.95:1.
In a preferred embodiment of the present invention, the helical angle that described dextrorotation group wire lines form in braiding process is 13 ° to 14.5 °.
In a preferred embodiment of the present invention, the helical angle that described negative rotation group wire lines form in braiding process is-12 ° to-13.5 °.
The present invention has disclosed shield in a kind of Ultrathin coaxial cable, this shield reasonable in design, material apolegamy is proper, preparation technology is easy, science, the finished product making has good comprehensive mechanical property, and chemistry and stable physical property, the shielding of radio signal and transmission performance are outstanding, make the serviceability of the Ultrathin coaxial cable making more good.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of shield in embodiment of the present invention Ultrathin coaxial cable;
In accompanying drawing, the mark of each parts is as follows: 1, dextrorotation group, 2, negative rotation group.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Fig. 1 is the structural representation of shield in embodiment of the present invention Ultrathin coaxial cable; This shield is formed by the braiding of very fine wires lines, and described wire lines are divided into two groups, two groups of wire lines composition differences, and carry out wrapped operation from top to bottom with different helical angles, described wire lines are divided into dextrorotation group 1 and negative rotation group 2.
In the Ultrathin coaxial cable of mentioning in the present invention, in shield, the main component of dextrorotation group 1 wire lines is fine copper silk thread and aluminium wire line; The main component of negative rotation group 2 wire lines is tin-coated copper silk thread and almag silk thread; The string diameter ratio of dextrorotation group 1 and negative rotation group 2 wire lines is about 0.95:1; The helical angle that dextrorotation group 1 wire lines form in braiding process is 13 ° to 14.5 °; The helical angle that negative rotation group 2 wire lines form in braiding process is-12 ° to-13.5 °.
In the Ultrathin coaxial cable that the present invention mentions, the concrete preparation process of shield is as follows:
A) preparation dextrorotation group wire lines, main component and the percentage composition proportioning thereof of dextrorotation group wire lines are: fine copper silk thread 55%: aluminium wire line 45%; Wherein, the wire diameter of single wires of fine copper silk thread is about 0.02mm, and the wire diameter of single wires of aluminium wire line is about 0.08mm, both number of share of stocks are than being 5:1, equipment choosing doubling up-coiler, the rotating speed of up-coiler is controlled at 600-620rpm, and the string diameter of the dextrorotation group wire lines that make is about 0.17mm;
B) preparation negative rotation group wire lines, main component and the percentage composition proportioning thereof of negative rotation group wire lines are: tin-coated copper silk thread 45%: almag silk thread 55%; Wherein, the wire diameter of single wires of tin-coated copper silk thread is about 0.03mm, and the wire diameter of single wires of almag silk thread is about 0.12mm, both number of share of stocks are than being 3:1, equipment choosing doubling up-coiler, the rotating speed of up-coiler is controlled at 700-720rpm, and the string diameter of the negative rotation group wire lines that make is about 0.19mm;
C) the wrapped operation of wire lines, in wrapped operation implementation process, dextrorotation group and negative rotation group wire lines, respectively with 13 ° of helical angles with-13.5 °, under the drive of annulus braiding frame, are coated with top-down braiding of clockwise and counterclockwise direction respectively; Wherein, the coated radical of dextrorotation group wire lines is 7, and the coated radical of negative rotation group wire lines is 6, and the rotating speed of annulus braiding frame is controlled at 240-260rpm, and translational speed is 0.1m/s, and the braiding netting index of the shield forming is 128 nets;
D) shield reprocessing, reprocessing comprise tighten up, the processing such as cutting edge, heat-sealing.
The present invention has disclosed shield in a kind of Ultrathin coaxial cable, this shield reasonable in design, material apolegamy is proper, preparation technology is easy, science, the finished product making has good comprehensive mechanical property, and chemistry and stable physical property, the shielding of radio signal and transmission performance are outstanding, make the serviceability of the Ultrathin coaxial cable making more good.
The above; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; the variation that can expect without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range that claims were limited.
Claims (6)
1. shield in a Ultrathin coaxial cable, it is characterized in that, this shield is formed by the braiding of very fine wires lines, described wire lines are divided into two groups, two groups of wire lines composition differences, and carrying out wrapped operation from top to bottom with different helical angles, described wire lines are divided into dextrorotation group and negative rotation group.
2. shield in Ultrathin coaxial cable according to claim 1, is characterized in that, the main component of described dextrorotation group wire lines is fine copper silk thread and aluminium wire line.
3. shield in Ultrathin coaxial cable according to claim 1, is characterized in that, the main component of described negative rotation group wire lines is tin-coated copper silk thread and almag silk thread.
4. according to shield in the Ultrathin coaxial cable described in claims 1 to 3, it is characterized in that, the string diameter ratio of described dextrorotation group and negative rotation group wire lines is about 0.95:1.
5. shield in Ultrathin coaxial cable according to claim 1, is characterized in that, the helical angle that described dextrorotation group wire lines form in braiding process is 13 ° to 14.5 °.
6. shield in Ultrathin coaxial cable according to claim 1, is characterized in that, the helical angle that described negative rotation group wire lines form in braiding process is-12 ° to-13.5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410090243.9A CN103871538A (en) | 2014-03-13 | 2014-03-13 | Shielding body in extremely-thin coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410090243.9A CN103871538A (en) | 2014-03-13 | 2014-03-13 | Shielding body in extremely-thin coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103871538A true CN103871538A (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410090243.9A Pending CN103871538A (en) | 2014-03-13 | 2014-03-13 | Shielding body in extremely-thin coaxial cable |
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| Country | Link |
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| CN (1) | CN103871538A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201622888U (en) * | 2009-12-29 | 2010-11-03 | 天津亿鑫通科技股份有限公司 | Ultrathin coaxial cable |
| CN201804597U (en) * | 2010-08-19 | 2011-04-20 | 神宇通信科技股份公司 | Superfine coaxial cable |
| CN201829220U (en) * | 2010-09-15 | 2011-05-11 | 萧添荣 | Woven coaxial cable |
| US20110266050A1 (en) * | 2010-04-30 | 2011-11-03 | Advanced Flexible Circuits Co., Ltd. | Cable bundling structure in slidable engagement with cable |
-
2014
- 2014-03-13 CN CN201410090243.9A patent/CN103871538A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201622888U (en) * | 2009-12-29 | 2010-11-03 | 天津亿鑫通科技股份有限公司 | Ultrathin coaxial cable |
| US20110266050A1 (en) * | 2010-04-30 | 2011-11-03 | Advanced Flexible Circuits Co., Ltd. | Cable bundling structure in slidable engagement with cable |
| CN201804597U (en) * | 2010-08-19 | 2011-04-20 | 神宇通信科技股份公司 | Superfine coaxial cable |
| CN201829220U (en) * | 2010-09-15 | 2011-05-11 | 萧添荣 | Woven coaxial cable |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140618 |