CN103871680A - High-quality micro coaxial cable - Google Patents
High-quality micro coaxial cable Download PDFInfo
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- CN103871680A CN103871680A CN201410090306.0A CN201410090306A CN103871680A CN 103871680 A CN103871680 A CN 103871680A CN 201410090306 A CN201410090306 A CN 201410090306A CN 103871680 A CN103871680 A CN 103871680A
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- coaxial cable
- composite insulator
- ultrathin coaxial
- micro coaxial
- shield
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Abstract
The invention discloses a high-quality micro coaxial cable, which comprises an outer sheath, a composite insulator and an inner conductor, wherein the composite insulator is of a multi-layer structure, each layer is sequentially formed at the exterior of the inner conductor through a coating and sintering process, the outer sheath is directly coated at the exterior of the composite insulator, the interior of the composite insulator is provided with a shield structure, and the shield structure adopts a silver plated copper film. The high-quality micro coaxial cable has the advantages that the structure design is ingenious; the interior of the structure is additionally provided with the composite insulator structure; the plastic insulator and the mesh shield of the traditional process are originally combined to form a fixing part, so the structure and preparation flow of the micro coaxial cable are greatly simplified, the position precision and size precision of each component of the micro coaxial cable are certainly improved, and the better stability and synchronism can be obtained when the micro coaxial cable transmits signals.
Description
Technical field
The present invention relates to a kind of Ultrathin coaxial cable, relate in particular to a kind of high-quality Ultrathin coaxial cable of rational in infrastructure, function admirable, 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, its preparation flow comprises: the wire drawing of inner wire, pipe strand, the extruding of plastic insulation, being wrapped and the cladding process of crust etc. of mesh shields body.In sum, the traditional handicraft operation of Ultrathin coaxial cable is various, and preparation flow is long, and cost is higher, and positional precision between inner each structural member is stable not, dimensional accuracy is on the low side, has limited to a certain extent the high performance performance of Ultrathin coaxial cable.
Summary of the invention
For the demand, the invention provides a kind of high-quality Ultrathin coaxial cable, this Ultrathin coaxial cable structural design uniqueness, the plastic insulation in traditional handicraft and mesh shields body have been carried out organic combination by the compound inslation body structure of setting up in it, simplify structure and the preparation technology of Ultrathin coaxial cable, made Ultrathin coaxial cable obtain more good serviceability.
The present invention is a kind of high-quality Ultrathin coaxial cable, this Ultrathin coaxial cable comprises crust, composite insulator and inner wire, described composite insulator designs for sandwich construction, each layer takes shape in outside inner wire by coated sintering process successively, described crust is directly coated on the outside of composite insulator, in described composite insulator, be provided with shield structure, described shield structure is silver-plated copper film.
In a preferred embodiment of the present invention, the primary raw material of described composite insulator and percentage composition proportioning thereof are: fluoroplastics 92%-95%, relevant auxiliary agent: 5%-8%.
In a preferred embodiment of the present invention, described shield is arranged at the postmedian of composite insulator, and its external diameter is about the 60%-65% of compound inslation body diameter.
In a preferred embodiment of the present invention, the gross thickness of described shield is about 0.03-0.032mm, and the thickness of silvering is about 0.008-0.01mm.
The present invention has disclosed a kind of high-quality Ultrathin coaxial cable, this Ultrathin coaxial cable structural design uniqueness, the plastic insulation in traditional handicraft and mesh shields body have been carried out organic combination by the compound inslation body structure of setting up in it, make both form a fixed part, structure and the preparation flow of Ultrathin coaxial cable are simplified, improve to a certain extent positional precision and dimensional accuracy between the each parts of Ultrathin coaxial cable, made Ultrathin coaxial cable can obtain better stability and synchronism in the time of signal transmission.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of embodiment of the present invention high-quality Ultrathin coaxial cable;
In accompanying drawing, the mark of each parts is as follows: 1, crust, 2, composite insulator, 3, inner wire, 4, shield.
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 embodiment of the present invention high-quality Ultrathin coaxial cable; This Ultrathin coaxial cable comprises crust 1, composite insulator 2 and inner wire 3, described composite insulator 2 designs for sandwich construction, each layer takes shape in outside inner wire 3 by coated sintering process successively, described crust 1 is directly coated on the outside of composite insulator 2, in described composite insulator 2, be provided with shield 4 structures, described shield 4 structures are silver-plated copper film.
In the high-quality Ultrathin coaxial cable of mentioning in the present invention, the primary raw material of composite insulator 2 and percentage composition proportioning thereof are: fluoroplastics 92%-95%, relevant auxiliary agent: 5%-8%; Shield 4 is arranged at the postmedian of composite insulator 2, and its external diameter is about the 60%-65% of composite insulator 2 external diameters; This structure has effectively been guaranteed the ability of shield 4 radio wave shield, the useful life of simultaneously also having improved Ultrathin coaxial cable.
The gross thickness of above-mentioned shield 4 is about 0.03-0.032mm, and the thickness of silvering is about 0.008-0.01mm, and this structural design makes shield 4 have high strength and screening ability.
The concrete preparation process of the high-quality Ultrathin coaxial cable that the present invention mentions is as follows:
A) prepare inner wire, inner wire adopts 7, and diameter is about the silver-plated copper B alloy wire of 0.03mm, by stranded processes bunchy, makes the inner wire that diameter is about 0.16-0.18mm;
B) composite insulator is Overmolded, and composite insulator entirety adopts repeatedly cladding process moulding, and its primary raw material and percentage composition proportioning thereof are: fluoroplastics 92%, relevant auxiliary agent 8%; Wherein, fluoroplastics are selected polytetrafluoroethylgranule granule, and granularity is about 500 orders, selection of auxiliary naphtha; Preparation process is as follows: first, raw material is heated in reactor to 140 DEG C-150 DEG C, after fully stirring, makes pasty state material; Then, be coated for the first time operation, pasty state material is evenly coated in the conductor, coating thickness is controlled at 0.06-0.07mm, naturally cools to room temperature; Then, shield volume is attached to the first cover surface, the silver-plated copper film that shield is 0.03-0.032mm, silvering is in outside, and its thickness is about 0.008-0.01mm; Finally, be coated for the second time operation, pasty state material be evenly coated on to silvering one side of shield, its coating thickness is controlled at 0.04-0.045mm, naturally cools to room temperature, completes the Overmolded of composite insulator;
C) composite insulator thermoset forming, thermoset forming carries out in sintering furnace, sintering furnace temperature is controlled at 360 DEG C-375 DEG C, sintering time is controlled at 8-10 minute, after sintering completes in sintering furnace slow cooling to room temperature;
D) coated crust, crust material selection self-adhering-type polyester film, its coated THICKNESS CONTROL is at 0.04-0.05mm.
The present invention has disclosed a kind of high-quality Ultrathin coaxial cable, this Ultrathin coaxial cable structural design uniqueness, the plastic insulation in traditional handicraft and mesh shields body have been carried out organic combination by the compound inslation body structure of setting up in it, make both form a fixed part, structure and the preparation flow of Ultrathin coaxial cable are simplified, improve to a certain extent positional precision and dimensional accuracy between the each parts of Ultrathin coaxial cable, made Ultrathin coaxial cable can obtain better stability and synchronism in the time of signal transmission.
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 (4)
1. a high-quality Ultrathin coaxial cable, it is characterized in that, this Ultrathin coaxial cable comprises crust, composite insulator and inner wire, described composite insulator designs for sandwich construction, each layer takes shape in outside inner wire by coated sintering process successively, described crust is directly coated on the outside of composite insulator, is provided with shield structure in described composite insulator, and described shield structure is silver-plated copper film.
2. high-quality Ultrathin coaxial cable according to claim 1, is characterized in that, the primary raw material of described composite insulator and percentage composition proportioning thereof are: fluoroplastics 92%-95%, relevant auxiliary agent: 5%-8%.
3. high-quality Ultrathin coaxial cable according to claim 1, is characterized in that, described shield is arranged at the postmedian of composite insulator, and its external diameter is about the 60%-65% of compound inslation body diameter.
4. high-quality Ultrathin coaxial cable according to claim 3, is characterized in that, the gross thickness of described shield is about 0.03-0.032mm, and the thickness of silvering is about 0.008-0.01mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410090306.0A CN103871680A (en) | 2014-03-13 | 2014-03-13 | High-quality micro coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410090306.0A CN103871680A (en) | 2014-03-13 | 2014-03-13 | High-quality micro coaxial cable |
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| Publication Number | Publication Date |
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| CN103871680A true CN103871680A (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410090306.0A Pending CN103871680A (en) | 2014-03-13 | 2014-03-13 | High-quality micro coaxial cable |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01232611A (en) * | 1988-03-14 | 1989-09-18 | Sumitomo Electric Ind Ltd | Coaxial core and multi-core cable using it |
| CN201017722Y (en) * | 2007-01-31 | 2008-02-06 | 浙江兆龙线缆有限公司 | Single core ultramicro Co-axial cable |
| CN201503726U (en) * | 2009-08-19 | 2010-06-09 | 贺建和 | Superfine coaxial cable |
| CN201741784U (en) * | 2010-07-15 | 2011-02-09 | 中国电子科技集团公司第二十三研究所 | Super flexible low-loss stable-phase radio-frequency cable |
| CN202183257U (en) * | 2011-08-17 | 2012-04-04 | 广州丰泰美华电缆有限公司 | Minuteness, coaxial and high temperature-resisting FEP (Fluorinated Ethylene Propylene) wire |
-
2014
- 2014-03-13 CN CN201410090306.0A patent/CN103871680A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01232611A (en) * | 1988-03-14 | 1989-09-18 | Sumitomo Electric Ind Ltd | Coaxial core and multi-core cable using it |
| CN201017722Y (en) * | 2007-01-31 | 2008-02-06 | 浙江兆龙线缆有限公司 | Single core ultramicro Co-axial cable |
| CN201503726U (en) * | 2009-08-19 | 2010-06-09 | 贺建和 | Superfine coaxial cable |
| CN201741784U (en) * | 2010-07-15 | 2011-02-09 | 中国电子科技集团公司第二十三研究所 | Super flexible low-loss stable-phase radio-frequency cable |
| CN202183257U (en) * | 2011-08-17 | 2012-04-04 | 广州丰泰美华电缆有限公司 | Minuteness, coaxial and high temperature-resisting FEP (Fluorinated Ethylene Propylene) wire |
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Application publication date: 20140618 |