CN203351234U - Photoelectric composite data cable with star-shaped structure - Google Patents
Photoelectric composite data cable with star-shaped structure Download PDFInfo
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- CN203351234U CN203351234U CN 201320266410 CN201320266410U CN203351234U CN 203351234 U CN203351234 U CN 203351234U CN 201320266410 CN201320266410 CN 201320266410 CN 201320266410 U CN201320266410 U CN 201320266410U CN 203351234 U CN203351234 U CN 203351234U
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Abstract
The utility model discloses a photoelectric composite data cable with a star-shaped structure. The photoelectric composite data cable comprises a optical fiber unit, a first communication stranded wire pair and a second communication stranded wire pair formed by intertwisting four copper conductors wrapped by insulating layers two by two for information communication, a first electric power stranded wire pair and a second electric power stranded wire pair formed by intertwisting four second copper conductors wrapped by insulating layers two by two for power transmission, and a pentagon-star framework, wherein a surface of the pentagon-star framework is plated with a metal layer, an aluminum layer of an aluminum foil layer is located at an inner side and thus forms electrical contact with the metal layer of the pentagon-star framework, a steel wire closely wraps an outer surface of the aluminum foil layer to form an armor layer, a plurality of pores are arranged inside the pentagon-star framework, and the dielectric constant of the framework is 1.0<epsilon<2.3. The photoelectric composite data cable with a star-shaped structure effectively improves allowance of an crosstalk index of a cable for communication by 1%, and even improves allowance of insertion loss by 1dB, increases stability of characteristic impedance by 1.5%, and at the same time, effectively prevents external electromagnetic interference from entering the cable, and stops internal signals from radiating out.
Description
Technical field
The utility model relates to a kind of data cable, relates in particular to a kind of photoelectricity complex data cable of hub-and-spoke configuration.
Background technology
The structure of common single type telecommunication cable: its primary structure of cable is that copper conductor extrudes one deck insulation outward, stranding after the single line pair twist, outside adopts the structure of polyolefin oversheath, said structure limitation due to telecommunication cable, in exterior finish distributing system, automated detection system, cause that stretching is large, quality is unstable, it is loaded down with trivial details to connect up, unreliable and affect serviceability.
Summary of the invention
The utility model provides a kind of photoelectricity complex data cable of hub-and-spoke configuration, and this photoelectricity complex data cable improves the surplus of communication cable cross-talk index 1% effectively, has even also improved the 1dB surplus of loss, increases by 1.5% stability of characteristic impedance; Also effectively prevent that external electromagnetic interference from entering cable, also stop internal signal to radiate, disturb the work of miscellaneous equipment, improved greatly return loss, characteristic impedance and the crosstalk attenuation of digital cable simultaneously simultaneously.
For achieving the above object, the technical solution adopted in the utility model is: a kind of photoelectricity complex data cable of hub-and-spoke configuration comprises: the fiber unit formed by four telecommunication optical fibers that are positioned at loose sleeve pipe, four the first copper conductors that are coated with insulating barrier in twos stranded form as the first communication twisted wire of information communication to, second communication twisted wire to, four the second copper conductors that are coated with insulating barrier in twos stranded form as the first electric power twisted wire of electric power transfer to, the second electric power twisted wire to the pentagon star frame; Described pentagon star frame is followed successively by the first cavity, the second cavity, the 3rd cavity, the 4th cavity and the 5th cavity in the counterclockwise direction, described pentagon star frame plated surface is covered with metal level, described fiber unit, the first communication twisted wire to, second communication twisted wire to, the first electric power twisted wire to, the second electric power twisted wire to laying respectively in described the first cavity, the second cavity, the 3rd cavity, the 4th cavity and the 5th cavity; One aluminium foil layer formed with the PET film by aluminium lamination coat described fiber unit, first communicate by letter twisted wire to, second communication twisted wire to, the first electric power twisted wire to, the second electric power twisted wire to the pentagon star frame, form and electrically contact thereby the aluminium lamination of described aluminium foil layer is positioned at the metal level of inboard and pentagon star frame; One steel wire is closely wrapped forms armour in described aluminium foil layer outer surface, and a restrictive coating is coated on described armour outer surface;
Described first communication twisted wire to the right pitch of the first electric power twisted wire be greater than the second communication twisted wire to the right pitch of the second electric power twisted wire, the right pitch of described the first twisted wire is greater than the right pitch of the 3rd twisted wire, and the right pitch of described the second twisted wire is greater than the right pitch of the 4th twisted wire;
Adjacent segments apart from design formula is: 0.003<∣
-
∣≤0.013,
The pitch design of being separated by formula is: 0.002<∣
-
∣≤0.011;
H1 is the right pitch of the first communication twisted wire, h2 be the second communication twisted wire to or the right pitch of the second electric power twisted wire, h3 is the right pitch of the first electric power twisted wire;
The foaming structure that there are several pores in described pentagon star frame.
Further improve technical scheme in technique scheme as follows:
1, in such scheme, the right pitch of described the first communication twisted wire is 15 ~ 15.5mm, the right pitch of described second communication twisted wire is 13.5 ~ 13.9mm, and the right pitch of described the first electric power twisted wire is 14.2 ~ 14.6mm, and the right pitch of described the second electric power twisted wire is 12.7 ~ 13.1mm.
2, in such scheme, the right pitch of described the first communication twisted wire is 15.2mm, and the right pitch of described second communication twisted wire is 13.7mm, and the right pitch of described the first electric power twisted wire is 14.4mm, and the right pitch of described the second electric power twisted wire is 12.9mm.
3, in such scheme, described the first communication twisted wire is 0.5mm to, second communication twisted wire centering the first copper conductor diameter, and described the first electric power twisted wire is 0.5mm to, second electric power twisted wire centering the second copper conductor sectional area
2.
4,, in such scheme, the material of described pentagon star frame is PP or PE.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1, the photoelectricity complex data cable of the utility model hub-and-spoke configuration, adopt star-like skeleton as main anti-interference element, the hybrid architecture of cable and optical cable, described fiber unit, the first communication twisted wire pair, second communication twisted wire pair, the first electric power twisted wire pair, the second electric power twisted wire is to laying respectively at described the first cavity, the second cavity, the 3rd cavity, in the 4th cavity and the 5th cavity, the foaming structure that there are several pores in described pentagon star frame, and the dielectric constant 1.0<ε of skeleton<2.3, this structure is conducive to reduce the impact of material on the electric capacity index.
2, the photoelectricity complex data cable of the utility model hub-and-spoke configuration, its pentagon star frame plated surface is covered with metal level, thereby the aluminium lamination of aluminium foil layer is positioned at inboard to be electrically contacted with the metal level formation of pentagon star frame, form five shielding closed inner chambers, effectively improve the surplus of communication cable cross-talk (NEXT, FEXT) index 1%, even also improve the 1dB surplus of loss (INSERTION LOSS), increased by 1.5% stability of characteristic impedance (IMPEDANCE); Also effectively prevent that external electromagnetic interference from entering cable, also stop internal signal to radiate, disturb the work of miscellaneous equipment, improved greatly return loss, characteristic impedance and the crosstalk attenuation of digital cable simultaneously simultaneously.
3, the photoelectricity complex data cable of the utility model hub-and-spoke configuration, it is as the first communication twisted wire pair of information communication, second communication twisted wire pair, the first electric power twisted wire pair as electric power transfer, the second electric power twisted wire is to adopting specific strand to arrange in pairs or groups to string pitch, reduced transmission of electric signals and produced the electromagnetic induction impact on its loop, greatly reduce the cross-talk of the communications cable, the electric field that wherein capacitive sensing produces has both positive and negative polarity, after adjacent two induction field stacks, can cancel each other, by theory, calculate, reduce mutual capacitively coupled, taken into account other electric parameter simultaneously, also avoided signal of telecommunication delay inequality to increase.
4, the photoelectricity complex data cable of the utility model hub-and-spoke configuration, adopt steel wire as main stretch, adopt star-like skeleton as main anti-interference element, the hybrid architecture of cable and optical cable, corrosion resistant polyolefine material, have not easy to crack, meet that water does not decompose, stretch-proof, the characteristics such as corrosion-resistant, greatly increased cable because of environment for use is special, the mutual interference of signal phase affects serviceability ability.
The accompanying drawing explanation
Accompanying drawing 1 is the utility model photoelectricity complex data construction of cable schematic diagram one;
Accompanying drawing 2 is the utility model photoelectricity complex data construction of cable schematic diagram two.
In above accompanying drawing: 1, loose sleeve pipe; 2, telecommunication optical fiber; 3, fiber unit; 4, the first copper conductor; 41, the first communication twisted wire pair; 42, second communication twisted wire pair; 5, the second copper conductor; 51, the first electric power twisted wire pair; 52, the second electric power twisted wire pair; 6, pentagon star frame; 61, the first cavity; 62, the second cavity; 63, the 3rd cavity; 64, the 4th cavity; 65, the 5th cavity; 7, metal level; 8, aluminium foil layer; 81, aluminium lamination; 82, PET film; 9, steel wire; 10, restrictive coating; 111, insulating barrier; 112, insulating barrier; 12, pore.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment 1: a kind of photoelectricity complex data cable of hub-and-spoke configuration comprises: the first copper conductor 4 that the fiber unit that is comprised of four telecommunication optical fibers 2 that are positioned at loose sleeve pipe 13, four are coated with insulating barrier 111 is stranded in twos to be formed as the first communication twisted wire of information communication 41, the second communication twisted wire is to 42, four the second copper conductors 5 that are coated with insulating barrier 112 stranded formation as the first electric power twisted wire of electric power transfer the 51, second electric power twisted wire 52 and pentagon star frame 6 in twos; Described pentagon star frame 6 is followed successively by the first cavity 61, the second cavity 62, the 3rd cavity 63, the 4th cavity 64 and the 5th cavity 65 in the counterclockwise direction, described pentagon star frame 6 plated surfaces are covered with metal level 7, described fiber unit 3, the first communication twisted wire to 41, the second communication twisted wire lays respectively in described the first cavity 61, the second cavity 62, the 3rd cavity 63, the 4th cavity 64 and the 5th cavity 65 52 the 51, second electric power twisted wire the 42, first electric power twisted wire; One aluminium foil layer formed with PET film 82 by aluminium lamination 81 8 coat described fiber unit 3, first communicate by letter twisted wire to 41, the second communication twisted wire to the 42, first electric power twisted wire to the 51, second electric power twisted wire to 52 and pentagon star frame 6, thereby the aluminium lamination 81 of described aluminium foil layer 8 is positioned at inboard, with the metal level formation of pentagon star frame 6, electrically contact; One steel wire 9 is closely wrapped forms armour in described aluminium foil layer 8 outer surfaces, and a restrictive coating 10 is coated on described armour outer surface;
Described the first communication twisted wire to the 41 and first electric power twisted wire to 51 pitch be greater than the second communication twisted wire to the 42 and second electric power twisted wire to 52 pitch;
Adjacent segments apart from design formula is: 0.003<∣
-
∣≤0.013,
The pitch design of being separated by formula is: 0.002<∣
-
∣≤0.011;
H1 is the first communication twisted wire to 41 pitch, and h2 is the second communication twisted wire to the 42 or second electric power twisted wire to 52 pitch, and h3 is the first electric power twisted wire to 51 pitch;
There is several pores 12 in described pentagon star frame 6, the dielectric constant 1.0<ε of skeleton<2.3.
Above-mentioned the first communication twisted wire is 15.2mm to 41 pitch, and described second communication twisted wire is 13.7mm to 42 pitch, and described the first electric power twisted wire is 14.4mm to 51 pitch, and described the second electric power twisted wire is 12.9mm to 52 pitch.
Above-mentioned the first communication twisted wire to 41, the second communication twisted wire is 0.5mm to the first copper conductor 4 diameters in 42, described the first electric power twisted wire is 0.5mm to the 51, second electric power twisted wire to the second copper conductor 5 sectional areas in 52
2.
The material of above-mentioned pentagon star frame 6 is PP.
Embodiment 2: a kind of photoelectricity complex data cable of hub-and-spoke configuration comprises: the first copper conductor 4 that the fiber unit that is comprised of four telecommunication optical fibers 2 that are positioned at loose sleeve pipe 13, four are coated with insulating barrier 111 is stranded in twos to be formed as the first communication twisted wire of information communication 41, the second communication twisted wire is to 42, four the second copper conductors 5 that are coated with insulating barrier 112 stranded formation as the first electric power twisted wire of electric power transfer the 51, second electric power twisted wire 52 and pentagon star frame 6 in twos; Described pentagon star frame 6 is followed successively by the first cavity 61, the second cavity 62, the 3rd cavity 63, the 4th cavity 64 and the 5th cavity 65 in the counterclockwise direction, described pentagon star frame 6 plated surfaces are covered with metal level 7, described fiber unit 3, the first communication twisted wire to 41, the second communication twisted wire lays respectively in described the first cavity 61, the second cavity 62, the 3rd cavity 63, the 4th cavity 64 and the 5th cavity 65 52 the 51, second electric power twisted wire the 42, first electric power twisted wire; One aluminium foil layer formed with PET film 82 by aluminium lamination 81 8 coat described fiber unit 3, first communicate by letter twisted wire to 41, the second communication twisted wire to the 42, first electric power twisted wire to the 51, second electric power twisted wire to 52 and pentagon star frame 6, thereby the aluminium lamination 81 of described aluminium foil layer 8 is positioned at inboard, with the metal level formation of pentagon star frame 6, electrically contact; One steel wire 9 is closely wrapped forms armour in described aluminium foil layer 8 outer surfaces, and a restrictive coating 10 is coated on described armour outer surface;
Described the first communication twisted wire to the 41 and first electric power twisted wire to 51 pitch be greater than the second communication twisted wire to the 42 and second electric power twisted wire to 52 pitch;
Adjacent segments apart from design formula is: 0.003<∣
-
∣≤0.013,
The pitch design of being separated by formula is: 0.002<∣
-
∣≤0.011;
H1 is the first communication twisted wire to 41 pitch, and h2 is the second communication twisted wire to the 42 or second electric power twisted wire to 52 pitch, and h3 is the first electric power twisted wire to 51 pitch.
There is several pores 12 in described pentagon star frame 6, the dielectric constant 1.0<ε of skeleton<2.3.
Above-mentioned the first communication twisted wire to 41, the second communication twisted wire is 0.5mm to the first copper conductor 4 diameters in 42, described the first electric power twisted wire is 0.5mm to the 51, second electric power twisted wire to the second copper conductor 5 sectional areas in 52
2.
The material of above-mentioned pentagon star frame 6 is PE.
Comparative Examples 1: a kind of photoelectricity complex data cable comprises: the fiber unit formed by four telecommunication optical fibers that are positioned at loose sleeve pipe, four the first copper conductors that are coated with insulating barrier in twos stranded form as the first communication twisted wire of information communication to, second communication twisted wire to, four the second copper conductors that are coated with insulating barrier in twos stranded form as the first electric power twisted wire of electric power transfer to, the second electric power twisted wire to the pentagon star frame; Described pentagon star frame is followed successively by the first cavity, the second cavity, the 3rd cavity, the 4th cavity and the 5th cavity in the counterclockwise direction, described fiber unit, the first communication twisted wire to, second communication twisted wire to, the first electric power twisted wire to, the second electric power twisted wire to laying respectively in described the first cavity, the second cavity, the 3rd cavity, the 4th cavity and the 5th cavity; One aluminium foil layer formed with the PET film by aluminium lamination coat described fiber unit, first communicate by letter twisted wire to, second communication twisted wire to, the first electric power twisted wire to, the second electric power twisted wire to the pentagon star frame.Its relative the utility model has increased the cross-talk that transmission of electric signals produces electromagnetic induction impact and the communications cable on its loop, has also extended signal of telecommunication delay inequality.
Comparative Examples 2: a kind of photoelectricity complex data cable comprises: the fiber unit formed by four telecommunication optical fibers that are positioned at loose sleeve pipe, four the first copper conductors that are coated with insulating barrier in twos stranded form as the first communication twisted wire of information communication to, second communication twisted wire to, four the second copper conductors that are coated with insulating barrier in twos stranded form as the first electric power twisted wire of electric power transfer to, the second electric power twisted wire to the pentagon star frame; Described pentagon star frame is followed successively by the first cavity, the second cavity, the 3rd cavity, the 4th cavity and the 5th cavity in the counterclockwise direction, described fiber unit, the first communication twisted wire to, second communication twisted wire to, the first electric power twisted wire to, the second electric power twisted wire to laying respectively in described the first cavity, the second cavity, the 3rd cavity, the 4th cavity and the 5th cavity; One aluminium foil layer formed with the PET film by aluminium lamination coat described fiber unit, first communicate by letter twisted wire to, second communication twisted wire to, the first electric power twisted wire to, the second electric power twisted wire to the pentagon star frame; Described pentagon star frame plated surface is covered with metal level, thereby the aluminium lamination of described aluminium foil layer is positioned at inboard, with the metal level formation of pentagon star frame, electrically contacts.
Above-described embodiment is only explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the 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 (5)
1. the photoelectricity complex data cable of a hub-and-spoke configuration, it is characterized in that: comprising: the fiber unit (3) formed by four telecommunication optical fibers (2) that are positioned at loose sleeve pipe (1), four the first copper conductor (4) stranded formation in twos that are coated with insulating barrier (111) are communicated by letter twisted wire to (41) as first of information communication, the second communication twisted wire is to (42), four the second copper conductor (5) stranded formation in twos that is coated with insulating barrier (112) as the first electric power twisted wire of electric power transfer to (51), the second electric power twisted wire is to (52) and pentagon star frame (6), described pentagon star frame (6) is followed successively by the first cavity (61) in the counterclockwise direction, the second cavity (62), the 3rd cavity (63), the 4th cavity (64) and the 5th cavity (65), described pentagon star frame (6) plated surface is covered with metal level (7), described fiber unit (3), the first communication twisted wire is to (41), the second communication twisted wire is to (42), the first electric power twisted wire is to (51), the second electric power twisted wire lays respectively at described the first cavity (61) to (52), the second cavity (62), the 3rd cavity (63), in the 4th cavity (64) and the 5th cavity (65), one aluminium foil layer (8) formed with PET film (82) by aluminium lamination (81) coat described fiber unit (3), first communicate by letter twisted wire to (41), second communication twisted wire to (42), the first electric power twisted wire to (51), the second electric power twisted wire to (52) and pentagon star frame (6), the aluminium lamination (81) of described aluminium foil layer (8) thus the metal level that is positioned at inboard and pentagon star frame (6) forms and electrically contacts, one steel wire (9) is closely wrapped forms armour in described aluminium foil layer (8) outer surface, and a restrictive coating (10) is coated on described armour outer surface,
Described the first communication twisted wire to (41) and the first electric power twisted wire to the pitch of (51) be greater than the second communication twisted wire to (42) and the second electric power twisted wire the pitch to (52);
Adjacent segments apart from design formula is: 0.003<∣
-
∣≤0.013,
The pitch design of being separated by formula is: 0.002<∣
-
∣≤0.011;
H1 is the pitch of the first communication twisted wire to (41), the h2 pitch to (52) that is the second communication twisted wire to (42) or the second electric power twisted wire, and h3 is the pitch of the first electric power twisted wire to (51);
There are several pores (12) in described pentagon star frame (6).
2. photoelectricity complex data cable according to claim 1, it is characterized in that: described the first communication twisted wire is 15 ~ 15.5mm to the pitch of (41), described second communication twisted wire is 13.5 ~ 13.9mm to the pitch of (42), described the first electric power twisted wire is 14.2 ~ 14.6mm to the pitch of (51), and described the second electric power twisted wire is 12.7 ~ 13.1mm to the pitch of (52).
3. photoelectricity complex data cable according to claim 1, it is characterized in that: described the first communication twisted wire is 15.2mm to the pitch of (41), described second communication twisted wire is 13.7mm to the pitch of (42), described the first electric power twisted wire is 14.4mm to the pitch of (51), and described the second electric power twisted wire is 12.9mm to the pitch of (52).
4. photoelectricity complex data cable according to claim 1, it is characterized in that: described the first communication twisted wire is 0.5mm to (41), second communication twisted wire to the first copper conductor (4) diameter in (42), and described the first electric power twisted wire is 0.5mm to (51), the second electric power twisted wire to the second copper conductor (5) sectional area in (52)
2.
5. photoelectricity complex data cable according to claim 1, it is characterized in that: the material of described pentagon star frame (6) is PP or PE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320266410 CN203351234U (en) | 2013-05-16 | 2013-05-16 | Photoelectric composite data cable with star-shaped structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320266410 CN203351234U (en) | 2013-05-16 | 2013-05-16 | Photoelectric composite data cable with star-shaped structure |
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| Publication Number | Publication Date |
|---|---|
| CN203351234U true CN203351234U (en) | 2013-12-18 |
Family
ID=49751101
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320266410 Expired - Lifetime CN203351234U (en) | 2013-05-16 | 2013-05-16 | Photoelectric composite data cable with star-shaped structure |
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| Country | Link |
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| CN (1) | CN203351234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103258586A (en) * | 2013-05-16 | 2013-08-21 | 江苏亨通线缆科技有限公司 | Photoelectrical composite data cable of star structure |
-
2013
- 2013-05-16 CN CN 201320266410 patent/CN203351234U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103258586A (en) * | 2013-05-16 | 2013-08-21 | 江苏亨通线缆科技有限公司 | Photoelectrical composite data cable of star structure |
| CN103258586B (en) * | 2013-05-16 | 2016-07-20 | 江苏亨通线缆科技有限公司 | The photoelectric composite data cable of hub-and-spoke configuration |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |
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| CX01 | Expiry of patent term |