CN203444855U - Four-twisted-wire high speed data communication cable with function of anti-interference - Google Patents
Four-twisted-wire high speed data communication cable with function of anti-interference Download PDFInfo
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- CN203444855U CN203444855U CN201320409387.7U CN201320409387U CN203444855U CN 203444855 U CN203444855 U CN 203444855U CN 201320409387 U CN201320409387 U CN 201320409387U CN 203444855 U CN203444855 U CN 203444855U
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Abstract
The utility model discloses a four-twisted-wire high speed data communication cable with a function of anti-interference. The four-twisted-wire high speed data communication cable includes four twisted wires, and a cross-shaped skeleton having four cavities formed by a transverse blade and a vertical blade, wherein the four cavities are respectively a first cavity, a second cavity, a third cavity and a fourth cavity, and the four twisted wires are arranged in the four cavities; outside surfaces of the first cavity, the second cavity, the third cavity and the fourth cavity are respectively coated with aluminum foil shielding layers longitudinally; an aluminum foil shielding layer wraps the outer surfaces of the four twisted wires and the cross-shaped skeleton, and an inner sheath layer wraps the outer surface of the aluminum foil shielding layer, and a plurality of cotton threads are filled between the aluminum foil shielding layer and the four twisted wires, and between the aluminum foil shielding layer and the cross-shaped skeleton; and an outer sheath layer wraps the outer surface of the inner sheath layer, and a metal braiding layer is arranged between the inner sheath layer and the outer sheath layer. The four-twisted-wire high speed data communication cable with the function of anti-interference is supported tightly and solidly, phenomenon that a cable may be squashed when the cable is bended is prevented, and return loss, characteristic impedance and crosstalk attenuation of a category-8 digital cable are greatly improved.
Description
Technical field
The utility model relates to digital cable field, is specifically related to a kind of four lines with anti-interference function to high-speed data communication cable.
Background technology
Along with the high speed development of data communication and information technology, the improving constantly of the fast development of network technology and computing power, people are also more and more higher to the requirement of comprehensive wiring system performance.From traditional audio frequency copper core pair twist local cable to today up to gigabit than local area network technology, along with network rate improves day by day, mean the raising of operating frequency, more easily produce electromagnetic radiation and capacitive coupling.Simultaneously, in surrounding environment, can constantly there is new electromagnetic interference source to produce, the radiation of the higher generation of network operating frequency is also more serious, and the equilibrium response of the non-shadow data cable of UTP has been not enough to offset electromagnetic radiation and the extraneous electromagnetic interference (Electro Magnetic Compatibility in the time of only meeting 30～40MHz transfer of data) of express network itself, adopt shield technology can effectively prevent that outside electromagnetic interference from entering cable inside (skin effect of metal screen layer), stop cable internal signal to external radiation (reflection effect of metal screen layer) simultaneously.Because the competition of each manufacturer is also more and more fierce, how to guarantee, under the minimum prerequisite of manufacturing cost, to improve the first-time qualification rate of product, the performance index that farthest improve and improve product seem particularly important.
Utility model content
The utility model object is to provide a kind of four lines with anti-interference function to high-speed data communication cable, and the closely sturdy support of this four demand pairs word communication cable, to avoid wire rod to cause the phenomenon of flattening when the complications; Return loss, characteristic impedance and the crosstalk attenuation of 8 class digital cables have greatly been improved.
For achieving the above object, the technical solution adopted in the utility model is: a kind of four lines with anti-interference function, to high-speed data communication cable, comprising: eight copper conductors, and this copper conductor is outer insulating layer coating all; In described eight copper conductors, two copper conductors form the first strand to line, and two copper conductors form the second strand to line; Two copper conductors form the 3rd strand to line; Two copper conductors form the 4th strand to line;
" ten " character skeleton being formed by translamella sheet and perpendicular blade, this " ten " character skeleton has the first, second, third and the 4th cavity that translamella sheet and perpendicular blade form thus, described the first strand is positioned at described the first cavity to line, described the second strand is positioned at described the second cavity to line, described the 3rd strand is positioned at described the 3rd cavity to line, and described the 4th strand is positioned at described the 4th cavity to line;
Described the first strand is 15 ~ 15.5mm to the pitch of line, and described the second strand is 13.5 ~ 13.9mm to the pitch of line, and described the 3rd strand is 14.2 ~ 14.6mm to the pitch of line, and described the 4th strand is 12.7 ~ 13.1mm to the pitch of line;
Described the first strand to line, the second strand to line, the 3rd strand to line, the 4th strand to the line equal vertical foil shielding layer that is surrounded by of outer surface separately;
One foil shielding layer is coated on described the first strand line, the second strand is twisted line and " ten " character skeleton outer surface line, the 4th line, the 3rd strand;
Described foil shielding layer and described the first strand are twisted being filled with some cotton threads between line and " ten " character skeleton line, the 4th line, the 3rd strand line, the second strand;
One inner restrictive coating is coated on described foil shielding layer outer surface;
One external sheath layer is coated on described inner restrictive coating outer surface, and a wire sheathing is between described inner restrictive coating and external sheath layer.
Further improved technical scheme in technique scheme is as follows:
1. in such scheme, described the first strand is 15.2mm to the pitch of line, and described the second strand is 13.7mm to the pitch of line, and described the 3rd strand is 14.5mm to the pitch of line, and described the 4th strand is 13mm to the pitch of line.
2. in such scheme, described translamella sheet and perpendicular blade length are separately 5.5 ~ 6mm.
3. in such scheme, described translamella sheet and perpendicular blade thickness are separately 0.75 ~ 0.8 mm.
Because technique scheme is used, the utility model compared with prior art has following advantages and effect:
1. the utlity model has four lines of anti-interference function to high-speed data communication cable, formed four new closed inner chamber shielding cavities and first strand to the pitch of line, be 15 ~ 15.5mm, described the second strand is 13.5 ~ 13.9mm to the pitch of line, described the 3rd strand is 14.2 ~ 14.6mm to the pitch of line, described the 4th strand is 12.7 ~ 13.1mm to the pitch of line, it utilizes reflection, absorption and skin effect realize and prevent electromagnetic interference and electromagnetic radiation, effectively prevent that external electromagnetic interference from entering cable, also stop internal signal to radiate simultaneously, disturb the work of miscellaneous equipment, improved greatly the return loss of 8 class digital cables, characteristic impedance and crosstalk attenuation, and due to the formation of inner chamber shielding mode, reduced by every pair of phase-splitting shielding operation that line shields respectively, thereby improved production efficiency, reduced raw material input cost.
2. the utlity model has four lines of anti-interference function to high-speed data communication cable, its inner restrictive coating is coated on described foil shielding layer outer surface, one external sheath layer is coated on described inner restrictive coating outer surface, one wire sheathing is between described inner restrictive coating and external sheath layer and due to the introducing of intracavity shielding construction, reduced by every pair of unit screen that line is right, on cost, obtained larger room for promotion, through calculating, the integrated cost of capital and interest has reduced nearly 38% than original product; ; Secondly, institute's foil shielding layer and described the first strand are twisted being filled with some cotton threads between line and " ten " character skeleton line, the 4th line, the 3rd strand line, the second strand, closely sturdy support of cable, to avoid wire rod to cause the phenomenon of flattening when the complications, has improved roundness.
Accompanying drawing explanation
In above accompanying drawing: 1, copper conductor; 2, insulating barrier; 3, the first strand is to line; 4, the second strand is to line; 5, the 3rd strand is to line; 6, the 4th strand is to line; 7, translamella sheet; 8, perpendicular blade; 9, " ten " character skeleton; 10, wire sheathing; 11, foil shielding layer; 12, inner restrictive coating; 13, external sheath layer; 14, foil shielding layer; 15, cotton thread.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: a kind of four lines with anti-interference function, to high-speed data communication cable, comprising: eight copper conductors 1, this copper conductor 1 is outer insulating layer coating 2 all; In described eight copper conductors 1, two copper conductors form the first strand 3, two copper conductors of line are formed to the second strand to line 4; Two copper conductors form the 3rd strand to line 5; Two copper conductors form the 4th strand to line 6;
" ten " character skeleton 9 being formed by translamella sheet 7 and perpendicular blade 8, this " ten " character skeleton 9 has the first, second, third and the 4th cavity that translamella sheet 7 and perpendicular blade 8 forms thus, described the first strand is positioned at described the first cavity to line 3, described the second strand is positioned at described the second cavity to line 4, described the 3rd strand is positioned at described the 3rd cavity to line 5, and described the 4th strand is positioned at described the 4th cavity to line 6;
Described the first strand is 15 ~ 15.5mm to the pitch of line 3, and described the second strand is 13.5 ~ 13.9mm to the pitch of line 4, and described the 3rd strand is 14.2 ~ 14.6mm to the pitch of line 5, and described the 4th strand is 12.7 ~ 13.1mm to the pitch of line 6;
Described the first strand to line 3, the second strand to line 4, the 3rd strand to line 5, the 4th strand to the line 6 equal vertical foil shielding layer 14 that is surrounded by of outer surface separately;
One foil shielding layer 11 is coated on described the first strand line 3, the second strand is twisted line 6 and " ten " character skeleton 9 outer surfaces line 5, the 4th line 4, the 3rd strand;
Described foil shielding layer 11 and described the first strand are twisted being filled with some cotton threads 15 between line 6 and " ten " character skeleton 9 line 5, the 4th line 4, the 3rd strand line 3, the second strand;
One inner restrictive coating 12 is coated on described foil shielding layer 11 outer surfaces;
One external sheath layer 13 is coated on described inner restrictive coating 12 outer surfaces, and a wire sheathing 10 is between described inner restrictive coating 12 and external sheath layer 13.
Above-mentioned the first strand is 15.2mm to the pitch of line 3, and described the second strand is 13.7mm to the pitch of line 4, and described the 3rd strand is 14.5mm to the pitch of line 5, and described the 4th strand is 13mm to the pitch of line 6.
Above-mentioned translamella sheet 7 and perpendicular blade 8 length d 1 is separately 5.5 ~ 6mm.
Above-mentioned translamella sheet 7 and perpendicular blade 8 thickness d 4 is separately 0.75 ~ 0.8 mm.
While adopting above-mentioned four lines with anti-interference function to high-speed data communication cable, formed four new closed inner chamber shielding cavities and first strand to the pitch of line, be 15 ~ 15.5mm, described the second strand is 13.5 ~ 13.9mm to the pitch of line, described the 3rd strand is 14.2 ~ 14.6mm to the pitch of line, described the 4th strand is 12.7 ~ 13.1mm to the pitch of line, it utilizes reflection, absorption and skin effect realize and prevent electromagnetic interference and electromagnetic radiation, effectively prevent that external electromagnetic interference from entering cable, also stop internal signal to radiate simultaneously, disturb the work of miscellaneous equipment, improved greatly the return loss of 8 class digital cables, characteristic impedance and crosstalk attenuation, and due to the formation of inner chamber shielding mode, reduced by every pair of phase-splitting shielding operation that line shields respectively, thereby improved production efficiency, reduced raw material input cost, secondly, there are four lines of anti-interference function to high-speed data communication cable, its inner restrictive coating is coated on described foil shielding layer outer surface, one external sheath layer is coated on described inner restrictive coating outer surface, one wire sheathing, between described inner restrictive coating and external sheath layer and due to the introducing of intracavity shielding construction, has reduced by every pair of unit screen that line is right, has obtained larger room for promotion on cost, through calculating, the integrated cost of capital and interest has reduced nearly 38% than original product.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection range of the present utility model.
Claims (4)
1. there are four lines of anti-interference function to a high-speed data communication cable, it is characterized in that: comprising: eight copper conductors (1), this copper conductor (1) is outer insulating layer coating (2) all; In described eight copper conductors (1), two copper conductors form the first strand to line (3), and two copper conductors form the second strand to line (4); Two copper conductors form the 3rd strand to line (5); Two copper conductors form the 4th strand to line (6);
" ten " character skeleton (9) being formed by translamella sheet (7) and perpendicular blade (8), this " ten " character skeleton (9) has the first, second, third and the 4th cavity that translamella sheet (7) and perpendicular blade (8) form thus, described the first strand is positioned at described the first cavity to line (3), described the second strand is positioned at described the second cavity to line (4), described the 3rd strand is positioned at described the 3rd cavity to line (5), and described the 4th strand is positioned at described the 4th cavity to line (6);
Described the first strand is 15 ~ 15.5mm to the pitch of line (3), and described the second strand is 13.5 ~ 13.9mm to the pitch of line (4), and described the 3rd strand is 14.2 ~ 14.6mm to the pitch of line (5), and described the 4th strand is 12.7 ~ 13.1mm to the pitch of line (6);
Described the first strand to line (3), the second strand to line (4), the 3rd strand to line (5), the 4th strand to line (6) the equal vertical foil shielding layer (14) that is surrounded by of outer surface separately;
One foil shielding layer (11) is coated on described the first strand line (3), the second strand is twisted line (6) and " ten " character skeleton (9) outer surface line (5), the 4th line (4), the 3rd strand;
Described foil shielding layer (11) and described the first strand are twisted being filled with some cotton threads (15) between line (6) and " ten " character skeleton (9) line (5), the 4th line (4), the 3rd strand line (3), the second strand;
One inner restrictive coating (12) is coated on described foil shielding layer (11) outer surface;
One external sheath layer (13) is coated on described inner restrictive coating (12) outer surface, and a wire sheathing (10) is positioned between described inner restrictive coating (12) and external sheath layer (13).
2. four lines with anti-interference function according to claim 1 are to high-speed data communication cable, it is characterized in that: described the first strand is 15.2mm to the pitch of line (3), described the second strand is 13.7mm to the pitch of line (4), described the 3rd strand is 14.5mm to the pitch of line (5), and described the 4th strand is 13mm to the pitch of line (6).
3. four lines with anti-interference function according to claim 1, to high-speed data communication cable, is characterized in that: described translamella sheet (7) and perpendicular blade (8) length are separately 5.5 ~ 6mm.
4. four lines with anti-interference function according to claim 1, to high-speed data communication cable, is characterized in that: described translamella sheet (7) and perpendicular blade (8) thickness are separately 0.75 ~ 0.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320409387.7U CN203444855U (en) | 2013-07-10 | 2013-07-10 | Four-twisted-wire high speed data communication cable with function of anti-interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320409387.7U CN203444855U (en) | 2013-07-10 | 2013-07-10 | Four-twisted-wire high speed data communication cable with function of anti-interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203444855U true CN203444855U (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320409387.7U Expired - Lifetime CN203444855U (en) | 2013-07-10 | 2013-07-10 | Four-twisted-wire high speed data communication cable with function of anti-interference |
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| Country | Link |
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| CN (1) | CN203444855U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064277A (en) * | 2014-06-30 | 2014-09-24 | 江苏亨通线缆科技有限公司 | Anti-electromagnetic interference network cable |
| CN104361948A (en) * | 2014-12-02 | 2015-02-18 | 安徽渡江电缆集团有限公司 | Anti-interference communication cable |
| CN104766667A (en) * | 2015-04-25 | 2015-07-08 | 杜志刚 | Electrical cable higher in safety |
-
2013
- 2013-07-10 CN CN201320409387.7U patent/CN203444855U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064277A (en) * | 2014-06-30 | 2014-09-24 | 江苏亨通线缆科技有限公司 | Anti-electromagnetic interference network cable |
| CN104064277B (en) * | 2014-06-30 | 2016-06-01 | 江苏亨通线缆科技有限公司 | Electromagnetism interference network cable |
| CN104361948A (en) * | 2014-12-02 | 2015-02-18 | 安徽渡江电缆集团有限公司 | Anti-interference communication cable |
| CN104766667A (en) * | 2015-04-25 | 2015-07-08 | 杜志刚 | Electrical cable higher in safety |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |