CN1832055A - High-speed high-performance data communication cable for network and manufacturing method thereof - Google Patents
High-speed high-performance data communication cable for network and manufacturing method thereof Download PDFInfo
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- CN1832055A CN1832055A CN 200610034922 CN200610034922A CN1832055A CN 1832055 A CN1832055 A CN 1832055A CN 200610034922 CN200610034922 CN 200610034922 CN 200610034922 A CN200610034922 A CN 200610034922A CN 1832055 A CN1832055 A CN 1832055A
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Abstract
A high speed data communication cable used on network is prepared as forming cable by four pairs of cable lines as each pair being prepared by twisting two cable lines and being covered with insulation protective sheath, forming each signal line by conductor cable core and insulation cover, packing Teflon or PE material with cross form section in insulation protective sheath and applying copper covered steel conductor as conductor cable core and using flame proof CMP Teflon to prepare insulation protective sheath and insulation cover.
Description
Technical field
The present invention relates to the signal-transmitting cable line, especially a kind of high-speed high-performance communication cable and manufacture craft thereof.
Background technology
At notification number is that CN2266183, the day for announcing to be on October 29th, 1997 a kind ofly be made up of the identical cable of eight root architectures with being called to disclose in the utility model of computer network with high-speed high-performance data communication cable, per two strands become a pair of together, four pairs of outsides are established an outer jacket again, and every cable is made up of conductor, first insulating barrier, second insulating barrier, colour circle.This utility model transmission performance improves greatly, and transmission rate reaches 100Mbps, and distributed capacitance is little, and decay is few, and anti-cross-talk ability is strong.
Be CN1622229 at publication number, open day be to disclose in the invention of computer network with high-speed high-performance data communication cable and the similar technical scheme of above-mentioned utility model on June 1st, 2005 and be called.
Because every cable is made up of conductor, first insulating barrier, second insulating barrier, colour circle in the such scheme.During manufacturing, the assurance of the concentricity of conductor and first and second insulating barrier, difficulty is bigger; And the core shift that concentricity causes inadequately makes that the impedance fluctuations of cable is bigger.Not matching of impedance causes a part of signal signal under certain specific frequency to be reflected to emission source, so that the leakage of signal, so just produced return loss.The concentricity of cable and cable core cylindricity are poor, cause on the one hand outwards radiation signal, also can not offset all external interference on the other hand, so produce long-range cross-talk.
In addition, in the technique scheme, do not become the twisted wire pitch of a twisted pair wire, the description of the distance (be called for short " lay ") of the adjacent strand of same cable between crest in promptly single twisted pair wire about per two strands together.Because not staggering in the crosspoint of the lay of each twisted pair wire, causes phase mutual interference between each twisted pair wire; Easily produce near-end crosstalk.And single twisted pair wire lay is inconsistent, also is one of reason that produces return loss.
Summary of the invention
The technical problem to be solved in the present invention provides that a kind of anti-crosstalk performance is strong, high flame retardant, temp. variation resistant, corrosion-resistant, anti-aging, the life-span long and have perfect high flame resistance, smog that distributes under the high temperature and toxin are very low and can be by the high-speed high-performance communication cable of the every technical indicator of fluke network test CAT6e.
Identical by fluke network C AT6e test with the electrical characteristic parameter of CAT5e test, have: 1. characteristic impedance (IMPEDANCE); 2. return loss (RETURN LOSS); 3. near-end crosstalk (NEXT); 4. far-end crosstalk (FEXT); 5. adjacent lines is to comprehensive near-end crosstalk (PSNEXT); 6. attenuation to crosstalk ratio (ACR); 7. equivalent far-end crosstalk (ELFEXT); 8. far-end equivalence cross-talk summation (PSELFEXT); 9. decay (ATTENUATION).But, test by CAT6e, its return loss, near-end crosstalk are than CAT5e strictness 50%, and frequency range can reach 250MHz.
The technical scheme that the present invention solves its technical problem is: the network signal cable, become a pair of and every pair of mutually different holding wire of lay is wrapped up in insulating sleeve and formed outward by four pairs of per two strands together, every holding wire all is made up of conductor cable core and insulation sheath, the cross section is housed in the described insulating sleeve is criss-cross foaming Teflon (Teflon) filler, with each to mutual strand around holding wire be separated from each other, total lay is a definite value; Described conductor cable core plates silver coating again by stretching steel core external application copper coating and makes, and described insulation sheath and described insulating sleeve are made by the CMP Teflon (Teflon) of high flame resistance, low smoke Halogen.
Above-mentioned cable can be made by following technology:
One, the production technology of system silver-copper plated steel clad cable core:
1) the steel billet bar is drawn into steel bar;
2) steel bar is stretched again and anneal simultaneously, obtain the stretching steel core 11 of required external diameter;
3) will draw steel wire as conductor, the surface be again by the Overmolded cable core that makes required external diameter and be provided with copper coating (12) of the continuously extruded copper material of special process;
4) cable core plating silver coating 13 makes silver-copper plated steel clad cable core 1.
Two, coremaking line wears above-mentioned cable core respectively in the insulation sheath 2 of required external diameter of white, green, orange, blue and brown isochrome, makes the heart yearn of required external diameter.
Three, system pair twist
1. with white green dichromatism heart yearn, make first pair twist of regulation lay;
2. with white orange dichromatism heart yearn, make second pair twist of regulation lay;
3. with white blue dichromatism heart yearn, make the 3rd pair twist of regulation lay;
4. with white brown dichromatism heart yearn, make the 4th pair twist of regulation lay;
Four, stranding
By white indigo plant, green, white palm fibre and white each line of orange snap in respectively in four quadrants of criss-cross foaming Teflon (Teflon) filler or PE filler adjacent order mutually in vain, around together, make semi-finished product with the total lay strand of equalization.
Five, the outer quilt of extrusion
The semi-finished product that stranding is good, outside are given as security the CMP Teflon (Teflon) of one deck high flame resistance, low smoke Halogen again.
In the present invention, described conductor cable core can be made by copper is silver-plated.
In the present invention, described conductor cable core can be made by naked copper.
The present invention has following beneficial effect: because the surface roughness of cable core is very little, smooth; The concentricity height; The pitch of pair twist is stable; The unanimity that puts in order that each line of stranding is right; The compartmentation of cross filler in addition.Therefore, performances such as opposing near-end crosstalk of the present invention, return loss, far-end crosstalk are all good.
Exceed 2 times because kelvin effect, copper covered steel cable core can play the laser propagation effect of the long-pending copper cable heart yearn of same cross-sectional, and mechanical strength is more excellent; Therefore, the material cost of manufacturing is lower than 40%.
Insulation sheath and insulating sleeve are made by the CMP Teflon (Teflon) of high flame resistance, low smoke Halogen, have determined this cable to have perfect high flame resistance, and smog that distributes under the high temperature and toxin are very low.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is the perspective view of network service cable of the present invention;
Fig. 2 is the cross section structure schematic diagram of network service cable of the present invention;
Fig. 3 is the cross section structure schematic diagram of the cable core of network service cable of the present invention.
Embodiment
Execution mode one: as shown in Figure 1, external diameter is that Teflon (Teflon) insulating sleeve 3 interior four pairs of per two strands of suit of 6.2 ± 0.3mm become a pair of together and every pair of mutually different cable of lay is formed, every cable is that the outer external diameter of wrapping up in of the conductor cable core 1 of 0.58mm is that the insulation sheath 2 of 0.95mm constitutes by external diameter all, conductor cable core 1 plates silver coating 13 again by stretching steel core 11 external application copper coatings 12 and makes (referring to Fig. 3), the cross section also is housed in the insulating sleeve is criss-cross foaming Teflon (Teflon) filler, with each to mutual strand around holding wire be separated from each other; Total lay is 130 ± 5mm; Insulation sheath 2 is made by Teflon (Teflon).
Execution mode two: except that cable core substituted with silver-plated copper, all the other structure and materials were all identical.
Execution mode three: except that cable core substituted with naked copper, all the other structure and materials were all identical; The surface roughness of naked copper is lower.
Aforementioned cable can be made by following technology:
One, the production technology of system silver-copper plated steel clad cable core:
1) φ 6.0mm steel billet bar is drawn into φ 2.2mm steel bar;
2) φ 2.2mm steel bar is stretched again and anneal simultaneously, obtain the stretching steel core 11 of external diameter 0.5mm;
3) basic principle of the continuously extruded coating of copper covered steel continuously extruded Overmolded (referring to paper " the continuously extruded coating of Copper Clad Steel Contact Wire base is shaped and studies " 10006 fortune new recruits 116028 Song Baoyun Liu Yuan literary compositions) is to utilize frictional force to push as power; On the basis of continuous extruding technology method, the boots seat is placed the top of squeegee roller, allow heart yearn to pass die cavity like this, thereby copper material directly is coated on the stretching steel core 11, and extrude from die orifice simultaneously with heart yearn, can make external diameter 0.58mm and be provided with the cable core of copper coating 12;
4) cable core plating silver coating 13 makes silver-copper plated steel clad cable core 1.
Two, coremaking line, the external diameter that above-mentioned cable core is worn white, green, orange, blue and brown isochrome respectively is in the insulation sheath 2 of 0.95 ± 0.05mm, makes the heart yearn that external diameter is 0.95 ± 0.05mm.
Three, system pair twist
1. with white green dichromatism heart yearn, the lay of 10.3 ± 0.5mm is made first pair twist;
2. with white orange dichromatism heart yearn, the lay of 11.7 ± 0.5mm is made second pair twist;
3. with white blue dichromatism heart yearn, the lay of 13.8 ± 0.5mm is made the 3rd pair twist;
4. with white brown dichromatism heart yearn, the lay of 15.7 ± 0.5mm is made the 4th pair twist
Four, stranding
By white indigo plant, green, white palm fibre and white each line of orange snap in respectively in four quadrants of criss-cross foaming Teflon (Teflon) filler or PE filler adjacent order mutually in vain, are 130 ± 5mm with total lay, strand is made semi-finished product around together.
Five, the outer quilt of extrusion
The semi-finished product that stranding is good, outside are given as security the CMP Teflon (Teflon) of one deck high flame resistance, low smoke Halogen again.
Execution mode two: except that cable core substituted with silver-plated copper, all the other structure and materials were all identical.
Execution mode three: except that cable core substituted with naked copper, all the other structure and materials were all identical.
Claims (5)
1, a kind of high-speed high-performance communication cable, become a pair of by four pairs of per two laies strands together, and every pair of mutually different holding wire of lay is wrapped up in the insulating sleeve composition outward, every holding wire all is made up of conductor cable core and insulation sheath, it is characterized in that: the cross section is housed in the described insulating sleeve is criss-cross foaming Teflon (Teflon) filler, with each to mutual strand around holding wire be separated from each other; Described conductor cable core (1) plates silver coating (13) again by stretching steel core (11) external application copper coating (12) and makes, and described insulation sheath (2) and described insulating sleeve (3) are made by the CMP Teflon (Teflon) of high flame resistance, low smoke Halogen.
2, high-speed high-performance communication cable according to claim 1 is characterized in that: the lay of four pairs of cables is respectively 10.3 ± 0.5mm, 11.7 ± 0.5mm, 13.8 ± 0.5mm, 15.7 ± 0.5mm.
3, high-speed high-performance communication cable according to claim 1 is characterized in that: described conductor cable core (1) is made by copper is silver-plated.
4, high-speed high-performance communication cable according to claim 1 is characterized in that: described conductor cable core (1) is made by naked copper.
5. technology of making the described high-speed high-performance communication cable of claim 1 may further comprise the steps:
One, the production technology of system silver-copper plated steel clad cable core:
1) steel bar is drawn into steel wire;
2) steel wire is drawn into fine rule and annealing simultaneously again, obtains the stretching steel core standard size (11) of required external diameter;
3) will draw steel wire as conductor, the surface be again by the Overmolded cable core that makes required external diameter and be provided with copper coating (12) of the continuously extruded copper material of special process;
4) if need higher one-level cable core can be plated silver coating (13), make silver-copper plated steel clad cable core (1).
Two, coremaking line is worn above-mentioned cable core (1) respectively in the insulation sheath (2) of the required external diameter of giving as security white, green, orange, blue and brown isochrome, makes required external diameter heart yearn.
Three, system pair twist
1) with white green dichromatism heart yearn, makes first pair twist that the regulation lay arrives;
2), make second pair twist of regulation lay with white orange dichromatism heart yearn;
3), make the 3rd pair twist of regulation lay with white blue dichromatism heart yearn;
4), make the 4th pair twist of regulation lay with white brown dichromatism heart yearn.
Four, stranding
By white indigo plant, green, white palm fibre and white each line of orange snap in respectively in four quadrants of criss-cross foaming Teflon (Teflon) filler or PE filler adjacent order mutually in vain, around together, make semi-finished product with the total lay strand of equalization.
Five, the outer quilt of extrusion
The semi-finished product that stranding is good, outside are given as security the CMP Teflon (Teflon) of one deck high flame resistance, low smoke Halogen again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610034922 CN1832055A (en) | 2006-04-12 | 2006-04-12 | High-speed high-performance data communication cable for network and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610034922 CN1832055A (en) | 2006-04-12 | 2006-04-12 | High-speed high-performance data communication cable for network and manufacturing method thereof |
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| CN1832055A true CN1832055A (en) | 2006-09-13 |
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| CN 200610034922 Pending CN1832055A (en) | 2006-04-12 | 2006-04-12 | High-speed high-performance data communication cable for network and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882487A (en) * | 2009-05-05 | 2010-11-10 | 上海端翔机电有限公司 | Category 6 digital communication local area network cable for naval vessel |
| CN102082005A (en) * | 2010-12-29 | 2011-06-01 | 东莞基立线缆有限公司 | Cross-type network cable |
-
2006
- 2006-04-12 CN CN 200610034922 patent/CN1832055A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882487A (en) * | 2009-05-05 | 2010-11-10 | 上海端翔机电有限公司 | Category 6 digital communication local area network cable for naval vessel |
| CN102082005A (en) * | 2010-12-29 | 2011-06-01 | 东莞基立线缆有限公司 | Cross-type network cable |
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