CN203397767U - Multifunctional network data transmission cable - Google Patents
Multifunctional network data transmission cable Download PDFInfo
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- CN203397767U CN203397767U CN201320392128.8U CN201320392128U CN203397767U CN 203397767 U CN203397767 U CN 203397767U CN 201320392128 U CN201320392128 U CN 201320392128U CN 203397767 U CN203397767 U CN 203397767U
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- twisted wire
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Abstract
The utility model discloses a multifunctional network data transmission cable. The multifunctional network data transmission cable includes: an optical fiber unit which is formed by two pairs of communication optical fibers in a low-smoke halogen-free flame retardant layer; a first communication twisted wire pair, a second communication twisted wire pair, a third communication twisted wire pair, and a fourth communication twisted wire pair which are formed by eight copper wires coated with an insulation layer being twisted in pairs for information communication; and a pentagon star frame. A plurality of aramid fibers are filled between the low-smoke halogen-free flame retardant layer and two pairs of the communication optical fibers; an inner sheath layer coats the outer surface of the optical fiber unit, the first communication twisted wire pair, the second communication twisted wire pair, the third communication twisted wire pair, the fourth communication twisted wire pair and the pentagon star frame; an outer sheath layer coats the outer surface of the inner sheath layer; and a metal woven layer is arranged between the outer sheath layer and the inner sheath layer. The multifunctional network data transmission cable can effectively solve the problems of the repeated cable laying and the single signal transmission, and is stable in structure and stable in performance; and the frame is used to increase the distance between the wire pairs, so that the anti-crosstalk effect of the cable is improved.
Description
Technical field
The utility model relates to a kind of data transmission cable, relates in particular to a kind of multifunctional network data transfer cable.
Background technology
Common network light signal and the network signal of telecommunication adopt optical cable and cable for digital communication to transmit respectively.Two kinds of cables in use need to adopt different penetration pipes to lay respectively, and cost is higher; While two kinds of cables, because cable line is many when laying, affect attractive in appearance.
The structure of cable: the structure of common digital cable be single line through strand to after stranding with PVC the circular configuration as sheath, the Indoor Residential Ecological that is mainly laid in is done finishing netting twine; The structure of optical cable is mainly fiber cores, photosphere and outer protection layer and forms, main transmission network light signal.
Due to the above-mentioned use limitation of cable, in residence interior trims, two kinds of cables need to lay respectively, and cost is higher; It is more that while two kinds of cables take the interior space, affects attractive in appearance.
Summary of the invention
The utility model provides a kind of multifunctional network data transfer cable, this network data transmission cable adopts light unit to add cable for digital communication, effectively having solved cable repeats to lay, signal transmission Single-issue, four pairs of Xian Duiheguang unit are effectively fixed in the employing of pentalpha skeleton, make it Stability Analysis of Structures, stable performance; And the employing of skeleton increases line to spacing, has strengthened the anti-cross-talk effect of cable.
For achieving the above object, the technical solution adopted in the utility model is: a kind of multifunctional network data transfer cable, comprising: the fiber unit being formed by two pairs of telecommunication optical fibers that are positioned at low-smoke non-halogen flame-retardant layer, eight copper conductors that are coated with insulating barrier between two stranded form as the first communication twisted wire of information communication to, second communication twisted wire to, third communication twisted wire to, four-way letter twisted wire to 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, third communication twisted wire to, four-way letter twisted wire to laying respectively in described the first cavity, the second cavity, the 3rd cavity, the 4th cavity and the 5th cavity; Between described low-smoke non-halogen flame-retardant layer and two pairs of telecommunication optical fibers, be filled with some aramid fiber silks;
One inner restrictive coating be coated on described fiber unit, the first communication twisted wire to, second communication twisted wire to, third communication twisted wire to, four-way letter twisted wire to pentagon star frame outer surface; One external sheath layer is coated on described inner restrictive coating outer surface, between described external sheath layer and inner restrictive coating, has wire sheathing.
In technique scheme, further improve technical scheme as follows:
In such scheme, described the first communication twisted wire is to being greater than second communication twisted wire to believing the right pitch of twisted wire with four-way with the right pitch of third communication twisted wire.
Because technique scheme is used, the utility model compared with prior art has following advantages:
The utility model multifunctional network data transfer cable, it comprises Yi Genguang unit and first, second, third and the 4th pair of line group; Described line group is comprised to eight single metal wires, the stranded formation first, second, third between two of these eight single metal wires and the 4th line pair, adopt optical cable to add the new product of cable for digital communication unification, have transmission network light signal and network electric signal function concurrently simultaneously, avoid repeating to lay, reduce laid down cost, improve the aesthetic property of interior decoration; Secondly, due to the restrictive coating of cable, meet water and do not decompose, greatly facilitate emergency maintenance, improve maintenance efficiency and repair quality, be a kind of new product with development prospect, the performance index of product meet products standards requirement, have obvious economic benefit and promotional value.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model multifunctional network data transfer cable structural representation;
Accompanying drawing 2 is the utility model fiber unit structural representation.
In above accompanying drawing: 1, low-smoke non-halogen flame-retardant layer; 2, telecommunication optical fiber; 3, fiber unit; 4, copper conductor; 41, the first communication twisted wire pair; 42, second communication twisted wire pair; 43, third communication twisted wire pair; 44, four-way letter twisted wire pair; 5, aramid fiber silk; 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, insulating barrier; 8, inner restrictive coating; 9, external sheath layer; 10, wire sheathing.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: a kind of multifunctional network data transfer cable, comprising: the copper conductor 4 that the fiber unit 3 being comprised of two pairs of telecommunication optical fibers 2 that are positioned at low-smoke non-halogen flame-retardant layer 1, eight are coated with insulating barrier 7 is stranded between two to be formed as the first communication twisted wire of information communication 41, second communication twisted wire to 42, third communication twisted wire to 43, four-way letter twisted wire is to 44 and pentagon star frame 6; 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 fiber unit 3, the first communication twisted wire to 41, second communication twisted wire to 42, third communication twisted wire to 43, four-way letter 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 44; Between described low-smoke non-halogen flame-retardant layer 1 and two pairs of telecommunication optical fibers 2, be filled with some aramid fiber silks 5;
One inner restrictive coating 8 be coated on described fiber unit 3, the first communication twisted wire to 41, second communication twisted wire to 42, third communication twisted wire to 43, four-way letter twisted wire is to 44 and pentagon star frame 6 outer surfaces; One external sheath layer 9 is coated on described inner restrictive coating 8 outer surfaces, between described external sheath layer 9 and inner restrictive coating 8, has wire sheathing 10.
Above-mentioned the first communication twisted wire to 41 and third communication twisted wire to 43 pitch be greater than second communication twisted wire to 42 and four-way letter twisted wire to 44 pitch.
While adopting above-mentioned multifunctional network data transfer cable, the transmission that it had both guaranteed network light signal, has taken into account again the transmission of the network signal of telecommunication, reduces the cost that cable repeats to lay, and reduces the space that cable takies.Avoid house wiring disorderly and unsystematic simultaneously, facilitate wiring and the maintenance of cable.Adopt environmental protection flame retardant PVC sheath, improved the fire resistance of cable, increase the indoor use coefficient of safety of cable.
The successful exploitation of the utility model technology, guaranteeing that optical cable and cable for digital communication transmission characteristic are simultaneously, break through the traditional construction of cable and technique, a composite rope meets the transmission of two kinds of signals simultaneously, effectively reduce the expense of laying of cable, reduce cable and take up room, make interior decoration more attractive in appearance, safety simultaneously.This practical product has promotion prospect and market value widely.
The development process of the utility model technology is as follows:
The content of the utility model exploitation:
The main performance index of finished cable
Light cell mesh:
Optical fiber specification: 9/125(G657A2);
Insulation resistance: >=5000M Ω km;
Minimum bending radius :≤10D(is static);
≤ 15D(is dynamic);
Decay :≤0.38dB/km(1310nm);
≤0.25?dB/km（1550nm）
Data are twisted line part:
Conductor direct current line loop resistance (20 ℃) :≤176 Ω/km;
The characteristic impedance of cable (20 ℃, 1～100MHz): 100 ± 15 Ω;
The mutual capacitance of cable :≤5.6nF/100m;
The insulation resistance of cable: >=10000M Ω km;
Capacitive unbalance to earth :≤330pF/100m;
The maximum continuous firing temperature of oversheath of cable is: 60 ℃.
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 (3)
1. a multifunctional network data transfer cable, is characterized in that: comprising: the fiber unit (3) being formed by the two pairs of telecommunication optical fibers (2) that are positioned at low-smoke non-halogen flame-retardant layer (1), eight copper conductors (4) that are coated with insulating barrier (7) between two stranded form the first communication twisted wire as information communication to (41), second communication twisted wire to (42), third communication twisted wire to (43), four-way letter twisted wire to (44) and pentagon star frame (6); 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, and described fiber unit (3), the first communication twisted wire lay respectively in described the first cavity (61), the second cavity (62), the 3rd cavity (63), the 4th cavity (64) and the 5th cavity (65) (44) (43), four-way letter twisted wire (42), third communication twisted wire (41), second communication twisted wire; Between described low-smoke non-halogen flame-retardant layer (1) and two pairs of telecommunication optical fibers (2), be filled with some aramid fiber silks (5);
One inner restrictive coating (8) is coated on described fiber unit (3), the first communication twisted wire believes that to (43), four-way twisted wire is to (44) and pentagon star frame (6) outer surface to (42), third communication twisted wire to (41), second communication twisted wire; One external sheath layer (9) is coated on described inner restrictive coating (8) outer surface, between described external sheath layer (9) and inner restrictive coating (8), has wire sheathing (10).
2. multifunctional network data transfer cable according to claim 1, is characterized in that: described the first communication twisted wire is greater than second communication twisted wire to (42) and the pitch of four-way letter twisted wire to (44) to (41) and third communication twisted wire to the pitch of (43).
3. multifunctional network data transfer cable according to claim 1, it is characterized in that: described the first communication twisted wire is greater than the pitch of third communication twisted wire to (43) to the pitch of (41), described second communication twisted wire is greater than the pitch of four-way letter twisted wire to (44) to the pitch of (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320392128.8U CN203397767U (en) | 2013-07-03 | 2013-07-03 | Multifunctional network data transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320392128.8U CN203397767U (en) | 2013-07-03 | 2013-07-03 | Multifunctional network data transmission cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203397767U true CN203397767U (en) | 2014-01-15 |
Family
ID=49909283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320392128.8U Expired - Lifetime CN203397767U (en) | 2013-07-03 | 2013-07-03 | Multifunctional network data transmission cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203397767U (en) |
-
2013
- 2013-07-03 CN CN201320392128.8U patent/CN203397767U/en not_active Expired - Lifetime
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Legal Events
| 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: 20140115 |