CN203150299U - Tensile type communication cable - Google Patents
Tensile type communication cable Download PDFInfo
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- CN203150299U CN203150299U CN 201320125724 CN201320125724U CN203150299U CN 203150299 U CN203150299 U CN 203150299U CN 201320125724 CN201320125724 CN 201320125724 CN 201320125724 U CN201320125724 U CN 201320125724U CN 203150299 U CN203150299 U CN 203150299U
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Abstract
The utility model discloses a tensile type communication cable. The cable comprises a steel conductor, a copper axis conductor, eight copper conducting wires and an outer sheath body. Each two of the eight copper conducting wires are twisted to form four twisted pairs for information communication. The outer sheath body comprises a first sub sheath, a second sub sheath and a third sub sheath. The center part of the first sub sheath, the second sub sheath and the third sub sheath is provided with an upside-down Y shaped connecting part. The outer surface of the steel conductor is coated by the first sub sheath. The outer surface of a first inner sheath layer is coated by the second sub sheath. The outer surface of the second inner sheath layer is coated by the third sub sheath. One end of each of a plurality of metal conducting wires is wound on the surface of the steel conductor, and the other end is connected with a metal braided layer. According to the tensile type communication cable, the ability of preventing the influence on the use performance of the cable by the signal mutual interference is greatly raised, and while the transmission characteristics of the communication cable product are ensured, the ability of preventing the influence on the use performance of the cable by the signal interference and extension is greatly raised.
Description
Technical field
The utility model relates to a kind of telecommunication cable, relates in particular to a kind of stretch-proof type communications cable.
Background technology
The structure of common single type telecommunication cable: its primary structure of the cable of pair twist structure is that copper conductor extrudes one deck insulation outward, stranding behind the single line pair twist, the structure of polyolefin oversheath is adopted in the outside, the coaxial cable primary structure is that inner wire extrudes outward or the insulation of wrapped one deck, adopt aluminium foil or braiding as the structure of polyolefin behind the outer conductor as oversheath then, because the said structure of telecommunication cable limitation, in exterior finish distributing system, automated detection system, cause that stretching is big, quality is unstable, the wiring is loaded down with trivial details, unreliable and influence serviceability.
Summary of the invention
The utility model provides a kind of stretch-proof type communications cable, and that this stretch-proof type communications cable has is not easy to crack, meet that water does not decompose, stretch-proof, characteristics such as corrosion-resistant, and it is special because of environment for use to have increased cable greatly; Avoid the mutual interference of signal phase and influenced serviceability, when guaranteeing telecommunication cable product transmission characteristic, increased cable greatly because signal disturbs, stretching influences the ability of serviceability.
For achieving the above object, the technical solution adopted in the utility model is: a kind of stretch-proof type communications cable comprises: steel conductor, copper spindle guide body, eight copper conductor and oversheath bodies that are coated with polyethylene layer; Described copper spindle guide external surface is coated with plastic insulating layer, and this plastic insulating layer outer surface is coated with wire sheathing, and first inner restrictive coating is coated on described wire sheathing outer surface;
Four pairs of twisted wires as information communication of stranded formation are right in twos for described eight copper conductors, described four twisted pair wire centerings, first twisted wire to, second twisted wire to, the 3rd twisted wire to the 4th twisted wire to being arranged in order counterclockwise and stranded formation conduction cable core, first twisted wire to the 3rd twisted wire pair and second twisted wire to the 4th twisted wire to alternately, described four twisted pair wires all are coated with foil shielding layer to outer surface separately, one polyester belt is wrapped in described foil shielding layer outer surface, and second inner restrictive coating is coated on described polyester belt outer surface;
Described oversheath body comprises the first sub-sheath, the second sub-sheath and the 3rd sub-sheath, this first sub-sheath, the second sub-sheath and the 3rd sub-sheath center have one " people " font connecting portion, the first muscle portion of company, second of this " people " font connecting portion connects muscle portion and the 3rd muscle portion of company is connected to the described first sub-sheath, the second sub-sheath and the 3rd sub-sheath respectively, the first sub-sheath is coated on described steel conductor outer surface, the second sub-sheath is coated on the described first inner restrictive coating outer surface, and the 3rd sub-sheath is coated on the described second inner restrictive coating outer surface;
Some plain conductors alternately, this plain conductor one end is wound in described steel conductive surface, and the plain conductor other end passes the described first sub-sheath successively, the first muscle portion of company, second connects muscle portion, the second sub-sheath and first inner restrictive coating and is electrically connected to described wire sheathing;
Described first twisted wire to the right pitch of the 3rd twisted wire greater than second twisted wire to the pitch right with the 4th twisted wire, the right pitch of described first twisted wire is greater than the right pitch of the 3rd twisted wire, the right pitch of described second twisted wire is greater than the right pitch of the 4th twisted wire;
Adjacent segments apart from design formula is: 0.002＜∣
-
∣≤0.013,
The pitch design of being separated by formula is: 0.001＜∣
-
∣≤0.011;
H1 is the right pitch of first twisted wire, h2 be second twisted wire to or the right pitch of the 4th twisted wire, h3 is the right pitch of the 3rd twisted wire.
It is as follows further to improve technical scheme in the technique scheme:
1, in the such scheme, the right pitch of described first twisted wire is 15 ~ 15.5mm, and the right pitch of described second twisted wire is 13.5 ~ 13.9mm, and the right pitch of described the 3rd twisted wire is 14.2 ~ 14.6mm, and the right pitch of described the 4th twisted wire is 12.7 ~ 13.1mm.
2, in the such scheme, the right pitch of described first twisted wire is 15.2mm, and the right pitch of described second twisted wire is 13.7mm, and the right pitch of described the 3rd twisted wire is 14.4mm, and the right pitch of described the 4th twisted wire is 12.9mm.
3, in the such scheme, described four twisted pair wire strands form the conduction cable core, and this conduction cable core twisting pitch is that the 4th twisted wire is to 10 times of 12.9mm.
4, in the such scheme, it is 120 ° that the described first muscle portion of company, second connects the adjacent angle of muscle portion and the first muscle portion of company.
5, in the such scheme, described steel conductor and copper conductor be annealed PROCESS FOR TREATMENT all.
6, in the such scheme, described foil shielding layer is made up of laminated polyester film and the aluminium foil layer that is positioned at its medial surface, and described polyester film layer thickness is 0.020 ± 0.002mm, and described aluminium foil layer thickness is 0.014 ± 0.002 mm.
Because technique scheme is used, the utility model compared with prior art has following advantage:
1, the utlity model has the mixed type telecommunication cable of stretch-proof, anti-interference function, both effectively solved the circumstance complication of cable in work progress, for example the wiring of cable brings many inconvenience in the power supply-distribution system of machine room and the distribution system in the building, can produce certain electromagnetic field around during the cable operation, thereby the interference other system can cause other problems such as equipment operation troubles when serious; Avoided pulling cable, have better tensile strength and elongation, both guaranteed to satisfy the self-supporting ability of cable, also solved the problem of cable phase mutual interference in running simultaneously, guaranteed the long-term stability of transmission characteristic, have advantages such as emergency maintenance makes things convenient for, can use repeatedly again, have tangible economic benefit and promotional value, the test of material rising-heat contracting-cold in the time of standing variation of ambient temperature, therefore can prolong the useful life of cable, be difficult for being corroded long service life.
2, the utlity model has the mixed type telecommunication cable of stretch-proof, anti-interference function, broken through traditional strand to line after the circular configuration of stranding, improve the surplus of communication cable cross-talk (NEXT, FEXT) index 1% effectively, even also improved the 1dB surplus of loss (INSERTION LOSS), increase by 1.5% stability of characteristic impedance (IMPEDANCE), when guaranteeing the stable transmission performance of cable, increased the performance of the transmission electricity of copper cable simultaneously.
3, the utlity model has the mixed type telecommunication cable of stretch-proof, anti-interference function, adopt specific strand to become core pitch and strand that line is made up to string pitch collocation and the cable core that specifically conducts electricity, reduce transmission of electric signals and produced the electromagnetic induction influence in its loop, reduce the cross-talk of the communications cable greatly, wherein the electric field of capacitive sensing generation has both positive and negative polarity, can cancel each other after the adjacent two induction fields stack, reduce mutual capacitively coupled, take into account other electric parameter simultaneously, also avoided signal of telecommunication delay inequality to increase.
4, the utility model stretch-proof type communications cable, it comprises some plain conductors alternately, this plain conductor one end is wound in described steel conductive surface, the plain conductor other end passes the described first sub-sheath successively, the first muscle portion of company, second connects muscle portion, the second sub-sheath and first inner restrictive coating and is electrically connected to described wire sheathing, avoid power loss and the signal reflex of signal to postback the source of sending, improved the stability of signal power and performance.
Description of drawings
Accompanying drawing 1 is the utility model stretch-proof type communications cable structural representation one;
Accompanying drawing 2 is the utility model stretch-proof type communications cable structural representation two.
In the above accompanying drawing: 1, steel conductor; 2, copper spindle guide body; 3, copper conductor; 31, polyethylene layer; 4, oversheath body; 41, the first sub-sheath; 42, the second sub-sheath; 43, the 3rd sub-sheath; 5, plastic insulating layer; 6, wire sheathing; 7, first inner restrictive coating; 8, conduction cable core; 81, first twisted wire is right; 82, second twisted wire is right; 83, the 3rd twisted wire is right; 84, the 4th twisted wire is right; 9, foil shielding layer; 10, polyester belt; 11, second inner restrictive coating; 12, " people " font connecting portion; 121, first connects muscle portion; 122, second connects muscle portion; 123, the 3rd connects muscle portion; 13, plain conductor; 14, copper wire woven shield.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment 1: a kind of stretch-proof type communications cable comprises: steel conductor 1, copper spindle guide body 2, eight copper conductor 3 and oversheath bodies 4 that are coated with polyethylene layer 31; Described copper spindle guide body 2 outer surfaces are coated with plastic insulating layer 5, and these plastic insulating layer 5 outer surfaces are coated with wire sheathing 6, the first inner restrictive coatings 7 and are coated on described wire sheathing 6 outer surfaces;
Four pairs of twisted wires as information communication of stranded formation are right in twos for described eight copper conductors 3, described four twisted pair wire centerings, first twisted wire is arranged in order 84 the 83 and the 4th twisted wire and stranded formation conduction cable core 8 the 82, the 3rd twisted wire counterclockwise to 81, second twisted wire, first twisted wire to the 81 and the 3rd twisted wire to 83 and second twisted wire to the 82 and the 4th twisted wire to 84 alternately, described four twisted pair wires all are coated with foil shielding layer 9 to outer surface separately, one polyester belt 10 is wrapped in described foil shielding layer 9 outer surfaces, and second inner restrictive coating 11 is coated on described polyester belt 10 outer surfaces;
Described oversheath body 4 comprises the first sub-sheath 41, the second sub-sheath 42 and the 3rd sub-sheath 43, this first sub-sheath 41, the second sub-sheath 42 and the 3rd sub-sheath 43 centers have one " people " font connecting portion 12, first of this " people " font connecting portion 12 connects muscle portion 121, the second muscle portion 122 of company and the 3rd connects muscle portion 123 and is connected respectively to the described first sub-sheath 41, the second sub-sheath 42 and the 3rd sub-sheath 43, the first sub-sheath 41 is coated on described steel conductor 1 outer surface, the second sub-sheath 42 is coated on described first inner restrictive coating, 7 outer surfaces, and the 3rd sub-sheath 43 is coated on described second inner restrictive coating, 11 outer surfaces;
Some plain conductors 13 alternately, these plain conductor 13 1 ends are wound in described steel conductor 1 surface, and plain conductor 13 other ends pass the described first sub-sheath 41 successively, the first muscle portion 121 of company, second connects muscle portion's 122, second sub-sheath 42 and first inner restrictive coating 7 and is electrically connected to described wire sheathing 6;
Described first twisted wire to the 81 and the 3rd twisted wire to 83 pitch greater than second twisted wire to the 82 and the 4th twisted wire to 84 pitch, described first twisted wire to 81 pitch greater than the 3rd twisted wire to 83 pitch, described second twisted wire to 82 pitch greater than the 4th twisted wire to 84 pitch;
Adjacent segments apart from design formula is: 0.002＜∣
-
∣≤0.013,
The pitch design of being separated by formula is: 0.001＜∣
-
∣≤0.011;
H1 is first twisted wire to 81 pitch, and h2 is second twisted wire to the 82 or the 4th twisted wire to 84 pitch, and h3 is the 3rd twisted wire to 83 pitch.
Described first twisted wire is 15.2mm to 81 pitch, and described second twisted wire is 13.7mm to 82 pitch, and described the 3rd twisted wire is 14.4mm to 83 pitch, and described the 4th twisted wire is 12.9mm to 84 pitch.
Above-mentioned four twisted pair wire strands form conduction cable core 8, and these conduction cable core 8 twisting pitch are the 4th twisted wire to 84 10 times.
It is 120 ° that the above-mentioned first muscle portion of company, second connects the adjacent angle of muscle portion and the first muscle portion of company.
Embodiment 2: a kind of stretch-proof type communications cable comprises: steel conductor 1, copper spindle guide body 2, eight copper conductor 3 and oversheath bodies 4 that are coated with polyethylene layer 31; Described copper spindle guide body 2 outer surfaces are coated with plastic insulating layer 5, and these plastic insulating layer 5 outer surfaces are coated with wire sheathing 6, the first inner restrictive coatings 7 and are coated on described wire sheathing 6 outer surfaces;
Four pairs of twisted wires as information communication of stranded formation are right in twos for described eight copper conductors 3, described four twisted pair wire centerings, first twisted wire is arranged in order 84 the 83 and the 4th twisted wire and stranded formation conduction cable core 8 the 82, the 3rd twisted wire counterclockwise to 81, second twisted wire, first twisted wire to the 81 and the 3rd twisted wire to 83 and second twisted wire to the 82 and the 4th twisted wire to 84 alternately, described four twisted pair wires all are coated with foil shielding layer 9 to outer surface separately, one polyester belt 10 is wrapped in described foil shielding layer 9 outer surfaces, and second inner restrictive coating 11 is coated on described polyester belt 10 outer surfaces;
Described oversheath body 4 comprises the first sub-sheath 41, the second sub-sheath 42 and the 3rd sub-sheath 43, this first sub-sheath 41, the second sub-sheath 42 and the 3rd sub-sheath 43 centers have one " people " font connecting portion 12, first of this " people " font connecting portion 12 connects muscle portion 121, the second muscle portion 122 of company and the 3rd connects muscle portion 123 and is connected respectively to the described first sub-sheath 41, the second sub-sheath 42 and the 3rd sub-sheath 43, the first sub-sheath 41 is coated on described steel conductor 1 outer surface, the second sub-sheath 42 is coated on described first inner restrictive coating, 7 outer surfaces, and the 3rd sub-sheath 43 is coated on described second inner restrictive coating, 11 outer surfaces;
Be provided with copper wire woven shield 14 between the described the 3rd sub-sheath 43 and first inner restrictive coating 11, both can not increase external diameter, can guarantee the tractive effort of needs again, thereby guaranteed the adhesive between the 3rd sub-sheath 43 and first inner restrictive coating 11, played humidification, have very big tensile strength, also can eliminate or reduce the stress of cable when mobile or twisting states, the useful life of improving cable; Secondly, further strengthened interference free performance.
Some plain conductors 13 alternately, these plain conductor 13 1 ends are wound in described steel conductor 1 surface, and plain conductor 13 other ends pass the described first sub-sheath 41 successively, the first muscle portion 121 of company, second connects muscle portion's 122, second sub-sheath 42 and first inner restrictive coating 7 and is electrically connected to described wire sheathing 6;
Described first twisted wire to the 81 and the 3rd twisted wire to 83 pitch greater than second twisted wire to the 82 and the 4th twisted wire to 84 pitch, described first twisted wire to 81 pitch greater than the 3rd twisted wire to 83 pitch, described second twisted wire to 82 pitch greater than the 4th twisted wire to 84 pitch;
Adjacent segments apart from design formula is: 0.002＜∣
-
∣≤0.013,
The pitch design of being separated by formula is: 0.001＜∣
-
∣≤0.011;
H1 is first twisted wire to 81 pitch, and h2 is second twisted wire to the 82 or the 4th twisted wire to 84 pitch, and h3 is the 3rd twisted wire to 83 pitch.
Described first twisted wire is 15.5mm to 81 pitch, and described second twisted wire is 13.8mm to 82 pitch, and described the 3rd twisted wire is 14.6mm to 83 pitch, and described the 4th twisted wire is 13 mm to 84 pitch.
Above-mentioned four twisted pair wire strands form conduction cable core 8, and these conduction cable core 8 twisting pitch are that the 4th twisted wire is to 10 times of 84 pitches.
Above-mentioned foil shielding layer 9 is made up of laminated polyester film and the aluminium foil layer that is positioned at its medial surface, and described polyester film layer thickness is 0.020 ± 0.002mm, and described aluminium foil layer thickness is 0.014 ± 0.002 mm; It is 120 ° that the above-mentioned first muscle portion of company, second connects the adjacent angle of muscle portion and the first muscle portion of company; Above-mentioned steel conductor 1 and copper conductor 3 be annealed PROCESS FOR TREATMENT all.
Foregoing is further described below.
The design of aluminum foil material
According to telecommunication cable standard and requirement, shielding is made up of one deck single face clad aluminum foil and a drain wire, and the single face clad aluminum foil requires to see for details following table:
The specification requirement of single face clad aluminum foil
Weave copper wire material used design
According to telecommunication cable standard and requirement, the braided material of armour can be single circular copper wire or zinc-plated circular copper wire, allows unidirectional sub-thread broken string length to be not more than 150mm, and trimmed is answered in the broken string termination
The main performance index of finished cable
Conductor DC resistance (20 ℃) :≤9 6 Ω/km;
The characteristic impedance of paired cable (20 ℃): 100 ± 15 Ω;
The characteristic impedance of coaxial cable (20 ℃): 75 ± 15 Ω;
The insulation resistance of cable: 〉=10000 M Ω km.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement 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, and all should be encompassed within the protection range of the present utility model.
Claims (7)
1. a stretch-proof type communications cable is characterized in that: comprising: steel conductor (1), copper spindle guide body (2), eight copper conductor (3) and oversheath bodies (4) that are coated with polyethylene layer (31); Described copper spindle guide body (2) outer surface is coated with plastic insulating layer (5), and this plastic insulating layer (5) outer surface is coated with wire sheathing (6), and first inner restrictive coating (7) is coated on described wire sheathing (6) outer surface;
Four pairs of twisted wires as information communication of stranded formation are right in twos for described eight copper conductors (3), described four twisted pair wire centerings, first twisted wire is to (81), second twisted wire is to (82), the 3rd twisted wire is to (83) and the 4th twisted wire is arranged in order counterclockwise to (84) and stranded formation conduction cable core (8), first twisted wire to (81) and the 3rd twisted wire to (83) and second twisted wire to (82) and the 4th twisted wire to (84) alternately, described four twisted pair wires all are coated with foil shielding layer (9) to outer surface separately, one polyester belt (10) is wrapped in described foil shielding layer (9) outer surface, and second inner restrictive coating (11) is coated on described polyester belt (10) outer surface;
Described oversheath body (4) comprises the first sub-sheath (41), the second sub-sheath (42) and the 3rd sub-sheath (43), this first sub-sheath (41), the second sub-sheath (42) and the 3rd sub-sheath (43) center have one " people " font connecting portion (12), first of this " people " font connecting portion (12) connects muscle portion (121), the second muscle portion (122) of company and the 3rd connects muscle portion (123) and is connected respectively to the described first sub-sheath (41), the second sub-sheath (42) and the 3rd sub-sheath (43), the first sub-sheath (41) is coated on described steel conductor (1) outer surface, the second sub-sheath (42) is coated on described first inner restrictive coating (7) outer surface, and the 3rd sub-sheath (43) is coated on described second inner restrictive coating (11) outer surface;
Some plain conductors (13) alternately, these plain conductor (13) one ends are wound in described steel conductor (1) surface, and plain conductor (13) other end passes the described first sub-sheath (41) successively, the first muscle portion (121) of company, second connects muscle portion (122), the second sub-sheath (42) and first inner restrictive coating (7) and is electrically connected to described wire sheathing (6);
Described first twisted wire to (81) and the 3rd twisted wire to the pitch of (83) greater than second twisted wire to (82) and the 4th twisted wire pitch to (84), described first twisted wire to the pitch of (81) greater than the pitch of the 3rd twisted wire to (83), described second twisted wire to the pitch of (82) greater than the pitch of the 4th twisted wire to (84);
Adjacent segments apart from design formula is: 0.002＜∣
-
∣≤0.013,
The pitch design of being separated by formula is: 0.001＜∣
-
∣≤0.011;
H1 be first twisted wire to the pitch of (81), h2 is second twisted wire to (82) or the 4th twisted wire pitch to (84), h3 is that the 3rd twisted wire is to the pitch of (83).
2. the communications cable according to claim 1, it is characterized in that: described first twisted wire is 15 ~ 15.5mm to the pitch of (81), described second twisted wire is 13.5 ~ 13.9mm to the pitch of (82), described the 3rd twisted wire is 14.2 ~ 14.6mm to the pitch of (83), and described the 4th twisted wire is 12.7 ~ 13.1mm to the pitch of (84).
3. the communications cable according to claim 2, it is characterized in that: described first twisted wire is 15.2mm to the pitch of (81), described second twisted wire is 13.7mm to the pitch of (82), described the 3rd twisted wire is 14.4mm to the pitch of (83), and described the 4th twisted wire is 12.9mm to the pitch of (84).
4. according to each described communications cable in the claim 1 ~ 3, it is characterized in that: described four twisted pair wire strands form conduction cable core (8), and this conduction cable core (8) twisting pitch is that the 4th twisted wire is to (84) 10 times.
5. according to each described communications cable in the claim 1 ~ 3, it is characterized in that: described foil shielding layer (9) is made up of laminated polyester film and the aluminium foil layer that is positioned at its medial surface, described polyester film layer thickness is 0.020 ± 0.002mm, and described aluminium foil layer thickness is 0.014 ± 0.002 mm.
6. according to each described communications cable in the claim 1 ~ 3, it is characterized in that: it is 120 ° that the described first muscle portion of company, second connects the adjacent angle of muscle portion and the first muscle portion of company.
7. according to each described communications cable in the claim 1 ~ 3, it is characterized in that: described steel conductor (1) and copper conductor (3) be annealed PROCESS FOR TREATMENT all.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320125724 CN203150299U (en) | 2013-03-19 | 2013-03-19 | Tensile type communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320125724 CN203150299U (en) | 2013-03-19 | 2013-03-19 | Tensile type communication cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203150299U true CN203150299U (en) | 2013-08-21 |
Family
ID=48977808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320125724 Withdrawn - After Issue CN203150299U (en) | 2013-03-19 | 2013-03-19 | Tensile type communication cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203150299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064276A (en) * | 2013-03-19 | 2014-09-24 | 江苏亨通线缆科技有限公司 | Anti-tensile type communication cable |
-
2013
- 2013-03-19 CN CN 201320125724 patent/CN203150299U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064276A (en) * | 2013-03-19 | 2014-09-24 | 江苏亨通线缆科技有限公司 | Anti-tensile type communication cable |
| CN104064276B (en) * | 2013-03-19 | 2017-06-06 | 江苏亨通线缆科技有限公司 | The stretch-proof type communications cable |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20170606 |
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| AV01 | Patent right actively abandoned |