CN201655414U - Multicore 3G communication cable - Google Patents
Multicore 3G communication cable Download PDFInfo
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- CN201655414U CN201655414U CN2010201842042U CN201020184204U CN201655414U CN 201655414 U CN201655414 U CN 201655414U CN 2010201842042 U CN2010201842042 U CN 2010201842042U CN 201020184204 U CN201020184204 U CN 201020184204U CN 201655414 U CN201655414 U CN 201655414U
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Abstract
The utility model relates to a multicore 3G communication cable which comprises a cable core formed by stranding two conductors with insulating layers. A cable core unit is formed by successively lapping one layer of PP (Polypropylene) foaming film longitudinally placing a ground wire, and lapping one layer of aluminum plastic composite strip and one layer of printed aluminum plastic composite strip outside the cable core. A plurality of the cable core units form a cable, of which the outside is successively placed with a ground wire longitudinally, lapped with one layer of double-faced aluminum plastic composite strip, woven with a total shielding layer, placed with a tearing wire longitudinally, and wrapped with one layer of outer sheath in an extrusion way, wherein the number of the cable core units is 16, and the cable is formed by arranging 5 inner cable core units and 11 outer cable core units. The aluminum coated side of the aluminum plastic composite strip faces outward, and the plastic coated side faces inward. The aluminum coated side of the printed aluminum plastic composite strip faces inward, the plastic coated side faces outward, and the aluminum coated side is printed with figures. The insulating layers are made of colored foaming PP material. The cable has superior electrical property, light weight, high tensile strength, strong shielding effect, low industrial cost, convenient large-scale production and post processing, flame resistance and environmental protection.
Description
Technical field
The utility model relates to a kind of cable, and particularly a kind of 3G (Third Generation) Moblie technical equipment system that is used for carries out the multicore 3G telecommunication cable that signal transmits usefulness in limited space.
Background technology
At present, 3G (Third Generation) Moblie has become development one of field the most rapidly.Chinese having become above the U.S. has the maximum country of mobile phone.Macrocell base stations in the mobile communication system, microcell base station, repeater, indoor covering system etc. will be developed rapidly.China will increase several ten thousand of all kinds of base stations newly every year now, and a year demand 3G telecommunication cable has reached more than 60,000 kilometers.The demand of annual 3G telecommunication cable will be above 100,000 kilometers in a few years from now on.And connect the feeder line, wire jumper, coupling assembling of communications transmit equipment and transmitting antenna and other is the also correspondingly sharply increase of demand of the supporting various cables of mobile communication system.Compare with the 2G cable that can only transmit sound in the past, the 3G cable requires to transmit sound, data message and image simultaneously.The 2G cable requires to have only 80% to the degree of screening of interference signal, and the 3G cable then requires up to 100%.The working frequency range of 3G is very high, and is also higher to the quality requirement of communication network, and to the performance requirement of the cable that uses, as the decay under the high frequency, voltage standing wave ratio, third order intermodulation, mechanical and physical performance etc. all can have corresponding raising.
The frequency of utilization of 3G telecommunication cable is range limited in its decay and the size of standing wave value.The decay of cable increases with frequency and increases sharply, and standing wave influence (being the inhomogeneities influence) also increases and obviously increases with frequency, causes the energy of loss on the cable too much to lose the effect of its transmission of power.Under high-frequency, the pad value of cable also changes with bending that cable bore, mechanical stress and situation such as aging, presents unsteadiness.In addition, when the transversary size comparability of the electromagnetic wavelength of cable transmission and cable is intended, high order harmonic component can occur, decay is sharply risen, and influence is along the first-harmonic of cable transmission, thereby the frequency of utilization scope of cable is restricted.In addition, common cable produces a large amount of smog, poison gas and corrosive gas when burning, and the harm personal security also exerts an influence to high-accuracy control system simultaneously.
Summary of the invention
In view of the deficiency that prior art exists, the utility model provides a kind of multicore 3G telecommunication cable.This cable has characteristics such as physical dimension compactness, in light weight, electric performance stablity, good, the anti-electromagnetic interference of soft resistance to wear, shield effectiveness height, flame-proof environmental protection.Can satisfy the latest requirement of current 3G (Third Generation) Moblie signal transmission.
The technical scheme that the utility model is taked for achieving the above object is: a kind of multicore 3G telecommunication cable, it is characterized in that: comprise with two conductor strands becoming core with insulating barrier, wrapped successively one deck PP foam films, the vertical core unit of putting a ground wire, wrapped layer of aluminum plastic composite strip and one deck lettering aluminium-plastic tape formation outside core, several described cores unit stranding vertically successively outside it is put a ground wire, the two-sided aluminium-plastic tape of wrapped one deck, is woven total screen, vertically puts a tear line, extrudes one deck oversheath.Described several cores unit is ten six roots of sensation, arranges the stranding formation by interior five, outer 11.Described aluminium-plastic tape covers aluminium and faces laterally, covers to mould to face to the inside.Described lettering aluminium-plastic tape covers aluminium and faces to the inside, covers to mould to face laterally, covers on the aluminium face and is printed on numeral.Described insulating barrier adopts the foaming polypropylene material that has color.
The beneficial effects of the utility model are: (1) superior electrical property: for reducing decay, we select the inner and outer conductor of tin-coated copper for use, reduce the conductor decay.Aspect the reduction diectric attenuation, select the less polypropylene insulation expanded material of dielectric constant and dielectric loss tangent for use, the foam degrees of insulation cable core reaches more than 60% dielectric constant 2.36; Outside the stranding layer, twine simultaneously the PP foam films, keep the relative distance of internal and external conductor, the more effective decay that reduces cable.The frequency of utilization scope of cable depends on the requirement of communication system to decay and standing wave value.By the improvement of structural design and processes, can produce the 3G telecommunication cable of low decay and standing wave, make the frequency of utilization scope of cable be able to broadening and raising.
(2) cable is in light weight, and tensile strength is big: the expanded polypropylene insulation, density is little, tensile strength is big.The low smoke and zero halogen density of material also is significantly less than conventional P VC material, and whole cable weight is lightened.
(3) shield effectiveness is strong: the shielding construction that adopts double-layer shielding+total shielding, the overall shield effectiveness of cable is reached more than 99.5%, the independent double-layer shielding structure of while multicore, effectively prevented electromagnetic interference mutual between the core, the total shielding of high density braiding effectively strengthens the cable interference of electronic signal to external world again.
(4) industrial cost is low, and be convenient to length production and back processing: the double-layer shielding layer has adopted double-deck aluminium-plastic tape shielding construction to replace braiding structure of the prior art, has promptly simplified technology, and the copper wire weaving of comparing has reduced industrial cost again.Adopt plastic-aluminum combined belt surface lettering, reduced core lettering operation; The polypropylene insulation material has very strong heat resistance simultaneously, convenient back processing thermoplastic shaping.
(5) flame-proof environmental protection: adopt the high mollielast polyolefine material of low-smoke non-halogen flame-retardant as jacket material, its soft resistance to wear is that PVC is incomparable, thereby, improved the gentle right property and the scratch-resistant performance of cable, be convenient to the circuit connection.Simultaneously, the low smoke and zero halogen material can not produce a large amount of black smog and harmful chlorine body when fire burns, can avoid health and equipment are caused serious harm, reduces the fire quadratic loss.
Description of drawings
Fig. 1 is the utility model core unit cross section structure schematic diagram.
Fig. 2 is the utility model cross section structure schematic diagram.
Embodiment
As shown in Figure 1, multicore 3G telecommunication cable, comprise conductor 1-1, insulating barrier 1-2, PP foam films 1-3, ground wire 1-4, aluminium-plastic tape 1-5 and lettering aluminium-plastic tape 1-6, conductor 1-1 is a diameter 0.5mm tinned wird, outside conductor 1-1, extrude a layer insulating 1-2, insulating barrier 1-2 adopts the expanded polypropylene material that has color, foam degrees 60%.The insulated wire of two different colours is twisted becoming core 2 according to pitch 30mm, the PP foam films 1-3 that a wrapped layer thickness is 0.1mm outside it, outside PP foam films 1-3 vertical put a diameter 0.5mm tin-coated copper ground wire 1-4 after, wrapped again layer of aluminum plastic composite strip 1-5, aluminium-plastic tape 1-5 must cover aluminium and face laterally, cover to mould and face to the inside, and then wrapped one deck lettering aluminium-plastic tape 1-6, the aluminium that covers of lettering aluminium-plastic tape 1-6 faces to the inside, cover to mould and face laterally, cover and be printed on numeral on the face of moulding, promptly be printed on the 1-16 font size, to make things convenient for the later stage to arrange, above structure constitutes core unit 1.
As shown in Figure 2, with several cores unit 1, the utility model is 16, by interior be five be outward 11 the order strandings, in the stranding process, fold up the zinc-plated ground wire 4 of diameter 0.5mm, wrapped one deck gauge thickness is the two-sided aluminium-plastic tape 5 of 0.05mm outside it, weave total screen 6 after wrapped again, weave total screen 6 and adopt the braiding of 10 gangs of filament diameter 0.15mm of 24 ingots tinned copper wire, outside it, extrude one deck oversheath 8 again, in the process of extruding, indulge and put a tear line 7 to make things convenient for post-production.Oversheath 11 adopts the high soft elastic polyolefin material of low-smoke non-halogen flame-retardant.
Claims (5)
1. multicore 3G telecommunication cable, it is characterized in that: comprise with two conductor (1-1) strands becoming core (2) with insulating barrier (1-2), wrapped successively one deck PP foam films (1-3) outside core (2), the vertical ground wire (1-4) of putting, the core unit (1) that wrapped layer of aluminum plastic composite strip (1-5) and one deck lettering aluminium-plastic tape (1-6) constitute, several described cores unit (1) stranding, vertical successively ground wire (4) of putting outside it, the two-sided aluminium-plastic tape of wrapped one deck (5), weave total screen (6), the vertical tear line (7) of putting, extrude one deck oversheath (8).
2. multicore 3G telecommunication cable according to claim 1 is characterized in that: described several cores unit (1) are ten six roots of sensation, arrange the stranding formation by interior five, outer 11.
3. multicore 3G telecommunication cable according to claim 1 is characterized in that: described aluminium-plastic tape (1-5) covers aluminium and faces laterally, covers to mould to face to the inside.
4. multicore 3G telecommunication cable according to claim 1 is characterized in that: described lettering aluminium-plastic tape (1-6) covers aluminium and faces to the inside, covers to mould to face laterally, covers on the aluminium face and is printed on numeral.
5. multicore 3G telecommunication cable according to claim 1 is characterized in that: described insulating barrier (1-2) adopts the foaming polypropylene material that has color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201842042U CN201655414U (en) | 2010-05-10 | 2010-05-10 | Multicore 3G communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201842042U CN201655414U (en) | 2010-05-10 | 2010-05-10 | Multicore 3G communication cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201655414U true CN201655414U (en) | 2010-11-24 |
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ID=43120658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201842042U Expired - Fee Related CN201655414U (en) | 2010-05-10 | 2010-05-10 | Multicore 3G communication cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN201655414U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871583A (en) * | 2014-02-24 | 2014-06-18 | 安徽华海特种电缆集团有限公司 | Low-smoke halogen-free K3-grade computer cable for 1E type nuclear power station |
| CN105355317A (en) * | 2015-12-08 | 2016-02-24 | 浙江兆龙线缆有限公司 | Line pair shielding mechanism of CAT8 line shielding structure |
| CN105390212A (en) * | 2015-12-08 | 2016-03-09 | 浙江兆龙线缆有限公司 | Eight-type cable shielding process |
| CN105390207A (en) * | 2015-12-08 | 2016-03-09 | 浙江兆龙线缆有限公司 | Eight-type cable shielding structure |
-
2010
- 2010-05-10 CN CN2010201842042U patent/CN201655414U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871583A (en) * | 2014-02-24 | 2014-06-18 | 安徽华海特种电缆集团有限公司 | Low-smoke halogen-free K3-grade computer cable for 1E type nuclear power station |
| CN105355317A (en) * | 2015-12-08 | 2016-02-24 | 浙江兆龙线缆有限公司 | Line pair shielding mechanism of CAT8 line shielding structure |
| CN105390212A (en) * | 2015-12-08 | 2016-03-09 | 浙江兆龙线缆有限公司 | Eight-type cable shielding process |
| CN105390207A (en) * | 2015-12-08 | 2016-03-09 | 浙江兆龙线缆有限公司 | Eight-type cable shielding structure |
| CN105355317B (en) * | 2015-12-08 | 2017-08-29 | 浙江兆龙线缆有限公司 | The line of eight class line shielding constructions is to shielding body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LIU SHILONG Free format text: FORMER OWNER: TIANJIN YIXINTONG TECHNOLOGY CO., LTD. Effective date: 20120613 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300384 NANKAI, TIANJIN TO: 300384 HEDONG, TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120613 Address after: 300384 Tianjin City Hedong District days Road West Guanyun in 6-4-409 Patentee after: Liu Shilong Address before: 300384 off the coast of Tianjin City Huayuan Industrial Zone Branch Road No. 11 Thai ring Patentee before: Tianjin Yixintong Technology Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN YIXINTONG MICROELECTRONICS CO., LTD. Free format text: FORMER OWNER: LIU SHILONG Effective date: 20121112 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300384 HEDONG, TIANJIN TO: 300385 XIQING, TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121112 Address after: The 300385 Xiqing Economic Development Zone Tianjin Saida Avenue and the west side of the intersection of three port road Patentee after: Tianjin YXT Microelectronics Co. Ltd. Address before: 300384 Tianjin City Hedong District days Road West Guanyun in 6-4-409 Patentee before: Liu Shilong |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20130510 |