CN104392796A - Compact anti-interference composite cable - Google Patents
Compact anti-interference composite cable Download PDFInfo
- Publication number
- CN104392796A CN104392796A CN201410723052.1A CN201410723052A CN104392796A CN 104392796 A CN104392796 A CN 104392796A CN 201410723052 A CN201410723052 A CN 201410723052A CN 104392796 A CN104392796 A CN 104392796A
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- CN
- China
- Prior art keywords
- cable core
- wire
- outside
- coated
- signal line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/1033—Screens specially adapted for reducing interference from external sources composed of a wire-braided conductor
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The invention discloses a compact anti-interference composite cable. A cable core comprises three signal line pairs and three wires. Each of the signal line pairs comprises two parallel longitudinal signal lines which are covered with insulation materials and sub-shielding layers. The three signal line pairs are distributed symmetrically in the cable core, the axis connection line of the two signal lines of each signal line pair is along the cable core radial direction, and each wire is disposed between the adjacent two signal lines. The outside of the cable core is covered with a lapping layer, a main shielding layer and a sheath layer successively. According to the composite cable, the signal lines and the wires in the cable core are arranged symmetrically, the magnetic field distribution is uniform, the anti-interference performance is good, the cable core structure is compact and stable, and positions of the signal lines in the cable core cannot be changed easily by external forces.
Description
Technical field
The present invention relates to field of cable technology, particularly relate to a kind of compact anti-disturbance composite cable.
Background technology
Telecommunication cable is used to the cable transmitting phone, telegram, fax paper, TV and broadcast program, data and other signals.Formed by the wire stranding of more than a pair mutually insulated.Telecommunication cable has that message capacity is large, transmission stability is high, the advantages such as good confidentiality, but different due to environment for use, and the impact that cause of external environment on telecommunication cable is also different.But the interference free performance of the communications cable of prior art is particularly important in information transmission, the communications cable is without self pulling force simultaneously, installs and needs auxiliary appliance, after built on stilts, wire rod is not firm, unstable, easily damages, there is potential safety hazard, waste time and energy during maintenance, useful life is shorter.
Summary of the invention
In order to solve the technical problem existed in background technology, the present invention proposes a kind of compact anti-disturbance composite cable, realizing the duplicate transmissions of electric power and signal, compact conformation and stable, anti-jamming effectiveness is excellent.
A kind of compact anti-disturbance composite cable that the present invention proposes, comprises cable core, lapping layer and total screen, restrictive coating;
Cable core comprise three holding wires to three wires, holding wire is to comprising parallel the first longitudinal holding wire, secondary signal line, first holding wire comprises the first signal body being positioned at middle part and the first insulating barrier being coated on the first signal external body, secondary signal line comprises the secondary signal body being positioned at middle part and the second insulating barrier being coated on secondary signal external body, first holding wire and secondary signal line parallel is longitudinal and outside is extruded with insulating material, insulating material outside is coated with sub-shield, and wire comprises the 3rd insulating barrier being positioned at center conductor He being coated on conductor outside;
Three holding wires are to symmetrical in cable core, the connecting shaft line of the first holding wire that each holding wire is right and secondary signal line is along cable core radial direction, and the first holding wire relative to secondary signal line away from cable core center, each wire adjacent two holding wires between and against right the first screen of two holding wires;
Lapping layer is coated on cable core outside, and total screen is coated on lapping layer outside, and restrictive coating comprises inner sheath and oversheath, and it is outside that inner sheath is coated on total screen, and oversheath is coated on inner sheath outside.
Preferably, the angle between the first holding wire that adjacent two holding wires are right and the connecting shaft line of secondary signal line is 120 degree.
Preferably, the sidewall of three wires is all against lapping layer.
Effectively, sub-shield adopts double-sided aluminum plastic composite band, and be aluminium foil in the middle of it, two sides is plastic layer.
Preferably, total screen is bimetallic braid, adopts finer wire and copper free wire braiding to form.
In the present invention, the compact anti-disturbance composite cable proposed, cable core comprise three holding wires to three wires, holding wire is to comprising parallel the first longitudinal holding wire, secondary signal line, first holding wire and secondary signal line parallel is longitudinal and outside is coated with insulating material and sub-shield, three holding wires are to symmetrical in cable core, the connecting shaft line of the first holding wire that each holding wire is right and secondary signal line is along cable core radial direction, and the first holding wire relative to secondary signal line away from cable core center, each wire adjacent two holding wires between, cable core outside is coated lapping layer successively, total screen and restrictive coating.In said structure arrangement, on the one hand, being symmetrical arranged of holding wire and wire in cable core, Distribution of Magnetic Field is even, and interference free performance is excellent; On the other hand, the setting of sub-shield and total screen, prevents the electromagnetic interference of electromagnetic interference between cable core inner lead and holding wire and cable core outside further; Again on the one hand, cable core structure is compact and stable, and external force is the position of malleable holding wire in cable core not.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of compact anti-disturbance composite cable that the present invention proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of compact anti-disturbance composite cable that the present invention proposes.
With reference to Fig. 1, a kind of compact anti-disturbance composite cable that the present invention proposes, comprises cable core, lapping layer 3 and total screen 4, inner sheath 5 and oversheath 6;
Cable core comprise three holding wires to three wires 2, holding wire is to comprising parallel the first longitudinal holding wire 11, secondary signal line 12, first holding wire 11 comprises the first signal body 111 being positioned at middle part and the first insulating barrier 112 being coated on the first signal body 111 outside, secondary signal line 12 comprises the secondary signal body 121 being positioned at middle part and the second insulating barrier 122 being coated on secondary signal body 121 outside, first holding wire 11 is parallel with secondary signal line 12 longitudinal and outside is extruded with insulating material 13, insulating material 13 outside is coated with sub-shield 14, sub-shield 14 adopts double-sided aluminum plastic composite band, be aluminium foil in the middle of it, two sides is plastic layer, wire 2 comprises the 3rd insulating barrier 22 being positioned at center conductor 21 and being coated on conductor 21 outside, the setting of holding wire and wire, realizes the signal of cable and the comprehensive transmission of electric power,
At holding wire to in the concrete layout of wire 2, three holding wires are to symmetrical in cable core, the connecting shaft line of the first holding wire 11 that each holding wire is right and secondary signal line 12 is along cable core radial direction, angle between the connecting shaft line of two holding wires that adjacent two holding wires are right is 120 degree, and the first holding wire 11 relative to secondary signal line 12 away from cable core center, each wire 2 adjacent two holding wires between and against the sidewall of right the first screen 13, three wires 2 of two holding wires all against lapping layer 3; Cable core structure is compacter and stable, and rationally, cable core internal magnetic field is evenly distributed in wire and holding wire distribution simultaneously;
Lapping layer 3 is coated on cable core outside, and total screen 4 is bimetallic braid, and adopt finer wire and copper free wire braiding to form, it is outside that total screen 4 is coated on lapping layer 3, and it is outside that inner sheath 5 is coated on total screen 4, and oversheath 6 is coated on inner sheath 5 outside; The setting of duplex sheath, improves the anticorrosion antiwear performance of cable.
In the present embodiment, the compact anti-disturbance composite cable proposed, cable core comprise three holding wires to three wires, holding wire is to comprising parallel the first longitudinal holding wire, secondary signal line, first holding wire and secondary signal line parallel is longitudinal and outside is coated with insulating material and sub-shield, three holding wires are to symmetrical in cable core, the connecting shaft line of the first holding wire that each holding wire is right and secondary signal line is along cable core radial direction, and the first holding wire relative to secondary signal line away from cable core center, each wire adjacent two holding wires between, cable core outside is coated lapping layer successively, total screen and restrictive coating.In said structure arrangement, on the one hand, being symmetrical arranged of holding wire and wire in cable core, Distribution of Magnetic Field is even, and interference free performance is excellent; On the other hand, the setting of sub-shield and total screen, prevents the electromagnetic interference of electromagnetic interference between cable core inner lead and holding wire and cable core outside further; Again on the one hand, cable core structure is compact and stable, and external force is the position of malleable holding wire in cable core not.
In a specific embodiment, sub-shield 14 adopts double-sided aluminum plastic composite band, be aluminium foil in the middle of it, two sides is plastic layer, total screen 4 is bimetallic braid, adopts finer wire and copper free wire braiding to form, improves the capability of electromagnetic shielding of cable further, do not affect the pliability of cable, and the finer wire in total screen improves the stretch-proof performance of cable simultaneously; In addition sub-shield 14 is containing aluminum metal, and total screen 4, containing iron and copper metal, the scope of anti-electromagnetic-radiation realizes complementary.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (5)
1. a compact anti-disturbance composite cable, is characterized in that, comprises cable core, lapping layer (3) and total screen (4), restrictive coating;
Cable core comprise three holding wires to three wires (2), holding wire is to comprising parallel longitudinal the first holding wire (11), secondary signal line (12), first holding wire (11) comprises the first signal body (111) being positioned at middle part and the first insulating barrier (112) being coated on the first signal body (111) outside, secondary signal line (12) comprises the secondary signal body (121) being positioned at middle part and the second insulating barrier (122) being coated on secondary signal body (121) outside, first holding wire (11) is parallel with secondary signal line (12) longitudinal and outside is extruded with insulating material (13), insulating material (13) outside is coated with sub-shield (14), wire (2) comprises the 3rd insulating barrier (22) being positioned at center conductor (21) and being coated on conductor (21) outside,
Three holding wires are to symmetrical in cable core, the connecting shaft line of the first holding wire (11) that each holding wire is right and secondary signal line (12) is along cable core radial direction, and the first holding wire (11) relative to secondary signal line (12) away from cable core center, each wire (2) adjacent two holding wires between and against right the first screen (13) of two holding wires;
Lapping layer (3) is coated on cable core outside, it is outside that total screen (4) is coated on lapping layer (3), restrictive coating comprises inner sheath (5) and oversheath (6), it is outside that inner sheath (5) is coated on total screen (4), and oversheath (6) is coated on inner sheath (5) outside.
2. compact anti-disturbance composite cable according to claim 1, is characterized in that, the angle between the first holding wire (11) that adjacent two holding wires are right and the connecting shaft line of secondary signal line (12) is 120 degree.
3. compact anti-disturbance composite cable according to claim 2, is characterized in that, the sidewall of three wires (2) is all against lapping layer (3).
4. compact anti-disturbance composite cable according to claim 1, is characterized in that, sub-shield (14) adopts double-sided aluminum plastic composite band, and be aluminium foil in the middle of it, two sides is plastic layer.
5. compact anti-disturbance composite cable according to claim 4, is characterized in that, total screen (4) is bimetallic braid, adopts finer wire and copper free wire braiding to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410723052.1A CN104392796A (en) | 2014-12-02 | 2014-12-02 | Compact anti-interference composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410723052.1A CN104392796A (en) | 2014-12-02 | 2014-12-02 | Compact anti-interference composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104392796A true CN104392796A (en) | 2015-03-04 |
Family
ID=52610680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410723052.1A Pending CN104392796A (en) | 2014-12-02 | 2014-12-02 | Compact anti-interference composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104392796A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017152610A1 (en) * | 2016-03-07 | 2017-09-14 | 合一智能科技（深圳）有限公司 | Composite cable |
| CN107431312A (en) * | 2015-04-21 | 2017-12-01 | 株式会社自动网络技术研究所 | Connector for communication |
-
2014
- 2014-12-02 CN CN201410723052.1A patent/CN104392796A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107431312A (en) * | 2015-04-21 | 2017-12-01 | 株式会社自动网络技术研究所 | Connector for communication |
| WO2017152610A1 (en) * | 2016-03-07 | 2017-09-14 | 合一智能科技（深圳）有限公司 | Composite cable |
| EP3285265A4 (en) * | 2016-03-07 | 2018-05-30 | Heyi Intelligent Technology (Shenzhen) Co., Ltd. | Composite cable |
| US10446292B2 (en) | 2016-03-07 | 2019-10-15 | Heyi Intelligent Technology (Shenzhen) Co., Ltd | Composite cable |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150304 |
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| RJ01 | Rejection of invention patent application after publication |