CN206711639U - 17 core aggregation of data cables - Google Patents

Abstract

The utility model provides a kind of 17 core aggregation of data cables, mutually twist pair twist screen unit cable group, insulating unit cable group, insulating unit line group and the polypropylene filled core of sum in the inner including overcoat and parcel, the overcoat is made up of polyester aluminium laminated film screen layer, proof copper-wire braided screen layer and restrictive coating successively from inside to outside, and the pair twist screen unit cable group is by three groups of 2 × 0.2mm²Pair twist screen unit cable forms, and the insulating unit cable group is by a 6 × 0.2mm²Insulating unit cable forms, and the insulating unit line group is by four 0.2mm²Insulating unit line forms.17 core aggregation of data cable described in the utility model, the cable has excellent electric property and mechanical and physical performance, and have good flexibility, impact resistance, heat-proof aging, resistant to chemical etching, acid and alkali-resistance is oily, electron-irradiation resisting, electromagnetism interference, the excellent characteristics such as smoke density is low during with burning, is discharged without poisonous halogen acid gas, be nonflammable, can be long-term use of within the temperature range of regulation.

Description

17 core aggregation of data cables

Technical field

The utility model belongs to high speed data transfer composite cable field, more particularly, to a kind of 17 core aggregation of data Cable.

Background technology

At present, cable is as the energy and truck forward direction high density, high capacity development, development and skill with science and technology The horizontal progress of art, while its structural behaviour improves, the requirement to the energy and passage-cable of information transfer also increases therewith Height, existing cable can not meet transmission demand, and the single diameter of conductor uses more in 17 common core aggregation of data cables 0.2mm annealed copper wires, structure is hard, and it is oxidizable easily to break, and reduces cable service life；In common 17 core aggregation of data cable 0.2mm²Pair twist screen unit cable is without inner restrictive coating, in finished cable after a period of time is bent repeatedly, due to metal fatigue meeting Cause the copper wire fracture of wire of braiding in unit cable, the copper wire broken end for propping up out can be punctured adjacent exhausted in the protection of no inner sheath Edge layer, cause the risk of cable quality problem very high, reduce cable service life；Insulated in common 17 core aggregation of data cable Using common polythene material, though and the polythene material chemical property is good, resist cold, radiation hardness, temperature grade is relatively low, easily by Environmental stress and be cracked, be not suitable for bad environments, such as highly corrosive, the occasion of higher temperature requirement；Common 17 core data In composite cable woven shield use proof copper-wire braided, count 75%, this count is lax, shield effectiveness compared with Difference, anti-electromagnetic interference capability be not high；Oversheath uses common 70 DEG C of polyvinyl chloride materials in common 17 core aggregation of data cable Material, though and the pvc material chemical property is preferable, be not suitable for that temperature range is wide, the high occasion of flame-retardancy requirements, also have Toxic gas is discharged in burning, smoke delivery is high, and certain injury is had to human body.It is new for such a situation, this practicality Type proposes a kind of 17 core aggregation of data cables, and the cable has excellent electric property and mechanical and physical performance, and has soft Soft good, impact resistance, heat-proof aging, resistant to chemical etching, acid and alkali-resistance is oily, electron-irradiation resisting, electromagnetism interference, cigarette when having burning The excellent characteristics such as density is low, is discharged without poisonous halogen acid gas, be nonflammable, can be long-term use of within the temperature range of regulation.

Utility model content

In view of this, the utility model is directed to a kind of 17 core aggregation of data cables, and the cable has excellent electricity Gas performance and mechanical and physical performance, and have good flexibility, impact resistance, heat-proof aging, resistant to chemical etching, acid and alkali-resistance is oily, anti-electronics Radiation, electromagnetism interference, the excellent characteristics such as smoke density is low when having burning, is discharged without poisonous halogen acid gas, be nonflammable, can It is long-term use of within the temperature range of regulation.

To reach above-mentioned purpose, what the technical solution of the utility model was realized in：

A kind of 17 core aggregation of data cables, including overcoat and parcel mutually twist the pair twist screen unit cable of sum in the inner Group, insulating unit cable group, insulating unit line group and polypropylene filled core, the overcoat is from inside to outside successively by polyester aluminium THIN COMPOSITE Film screen layer, proof copper-wire braided screen layer and restrictive coating composition；

The pair twist screen unit cable group is by three groups of 2 × 0.2mm²Pair twist screen unit cable forms, the insulating unit cable Group is by a 6 × 0.2mm²Insulating unit cable forms, and the insulating unit line group is by four 0.2mm²Insulating unit line forms.

Further, the 2 × 0.2mm²Pair twist screen unit cable wrapped laminated polyester film, tin-coated copper successively from inside to outside The one layer of low smoke halogen-free flame-retardant polyolefin inner restrictive coating extruded after silk screen layer and braiding, the 2 × 0.2mm²Pair twist shielding is single First cable is made up of two first insulated single wires of pair twist.

Further, first insulated single wire includes the first tinned copper conductor and its outer one layer of first crosslinking extruded gathers Ethene insulating barrier, first tinned copper conductor include 19 0.12mm tinned copper conductor silks for mutually twisting sum, the tin-coated copper The count of silk screen layer is not less than 90%.

Further, the 6 × 0.2mm²Wrapped polyester film outside insulating unit cable, the 6 × 0.2mm²Insulating unit cable Formed by the second insulated single wire stranded cable of seven different colours, second insulated single wire include the second tinned copper conductor and its outside The one layer of second crosslinked polyetylene insulated layer extruded, it is tin plating that second tinned copper conductor includes 19 0.12mm for mutually twisting sum Copper conductor silk.

Further, the 0.2mm²What insulating unit line extruded including 19 tinned copper conductors of 0.12mm the 3rd and outside it One layer of the 3rd crosslinked polyetylene insulated layer.

Relative to prior art, 17 core aggregation of data cable described in the utility model has the advantage that：

(1) 17 core aggregation of data cable described in the utility model, there is excellent electric property and mechanical-physical Can, and have good flexibility, impact resistance, heat-proof aging, resistant to chemical etching, acid and alkali-resistance is oily, electron-irradiation resisting, electromagnetism interference, tool The excellent characteristics such as smoke density is low when having burning, is discharged without poisonous halogen acid gas, be nonflammable, can be within the temperature range of regulation It is long-term use of.

(2) 2 × 0.2mm described in the utility model²Pair twist screen unit cable from inside to outside successively wrapped laminated polyester film, The one layer of low smoke halogen-free flame-retardant polyolefin inner restrictive coating extruded after tinned copper wire screen layer and braiding, the 2 × 0.2mm²Pair twist Screen unit cable is made up of two insulated single wires of pair twist.Accomplish that the tinned copper wire in protection location cable is compiled by extruding inner sheath Screen layer is knitted, avoids cable from bending the insulating barrier that the broken end after causing tinned copper wire metal fatigue punctures adjacent insulated wire repeatedly, The risk of quality problems is substantially reduced, improves the service life of cable.

(3) the first insulated single wire described in the utility model includes the first tinned copper conductor and its outer one layer first extruded Crosslinked polyetylene insulated layer, first tinned copper conductor includes 19 0.12mm tinned copper conductor silks for mutually twisting sum, described The count of tinned copper wire screen layer is not less than 90%.Requirement to count strengthens shield effectiveness, improves anti-electricity Magnetic disturbance ability.

(4) 6 × 0.2mm described in the utility model²Wrapped polyester film outside insulating unit cable, the 6 × 0.2mm²Absolutely Edge unit cable is formed by the second insulated single wire stranded cable of seven different colours, and second insulated single wire is led including the second tin-coated copper Body and its outer one layer of second crosslinked polyetylene insulated layer extruded, second tinned copper conductor include 19 and mutually twist sum 0.12mm tinned copper conductor silks.The insulation of cable uses cross-linking polyethylene materials, by carrying out electron irradiation, irradiation to polyethylene Equipment is 2.0Mev dynamitron, and irradiation dose is 30 × 10⁴Gy, the mechanical property of cable is substantially increased, it is resistance to ESC performance, resistance to corrosive chemicals energy, the combination property such as creep resistance and electrical property, and obviously Improve temperature resistant grade.

Brief description of the drawings

Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model. In accompanying drawing：

Fig. 1 is 17 core aggregation of data construction of cable schematic diagrames described in the utility model embodiment；

Fig. 2 is 17 2 × 0.2mm of core aggregation of data cable described in the utility model embodiment²Pair twist screen unit cable Structural representation；

Fig. 3 is 17 6 × 0.2mm of core aggregation of data cable described in the utility model embodiment²Insulation strands unit cable Structural representation；

Fig. 4 is 17 core aggregation of data cable 0.2mm described in the utility model embodiment²Insulating unit cable architecture is illustrated Figure.

Description of reference numerals：

1-2×0.2mm²Pair twist screen unit cable；2-6×0.2mm²Insulating unit cable；3-0.2mm²Insulating unit line；4- Polypropylene filled core；The compound lapped shielding layer of 5- polyester aluminium；6- weaves tinned copper wire screen layer；7- sheaths；101- first is tin plating Copper conductor；The first crosslinked polyetylene insulated layers of 102-；103- laminated polyester films；104- tin-coated copper shielding layer of copper wires；The low cigarettes of 105- Halogen-free anti-flaming polyolefin inner restrictive coating；The tinned copper conductors of 201- second；The second crosslinked polyetylene insulated layers of 202-；203- polyester Film；The tinned copper conductors of 301- the 3rd；The 3rd crosslinked polyetylene insulated layers of 302-.

Embodiment

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can To be mutually combined.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that For to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately It is described, " multiple " are meant that two or more.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition State concrete meaning of the term in the utility model.

Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

17 core aggregation of data cables of one kind as shown in Figure 1, including overcoat and parcel mutually twist the pair twist screen of sum in the inner Unit cable group, insulating unit cable group, insulating unit line group and polypropylene filled core 4 are covered, the overcoat is from inside to outside successively by gathering Ester aluminium laminated film screen layer 5, proof copper-wire braided screen layer 6 and restrictive coating 7 form；The pair twist screen unit cable group is by three group 2 ×0.2mm²Pair twist screen unit cable 1 forms, and the insulating unit cable group is by a 6 × 0.2mm²Insulating unit cable 2 forms, institute Insulating unit line group is stated by four 0.2mm²Insulating unit line 3 forms.With excellent electric property and mechanical and physical performance, and Have good flexibility, impact resistance, heat-proof aging, resistant to chemical etching, acid and alkali-resistance is oily, electron-irradiation resisting, electromagnetism interference, there is burning When smoke density it is low, without the excellent characteristics such as poisonous halogen acid gas release, nonflammable, can make for a long time within the temperature range of regulation With.

Wherein, the 2 × 0.2mm²The wrapped laminated polyester film 103, tin plating successively from inside to outside of pair twist screen unit cable 1 The one layer of low smoke halogen-free flame-retardant polyolefin inner restrictive coating 105 extruded after shielding layer of copper wires 104 and braiding, the 2 × 0.2mm²It is right Screen unit cable 1 is twisted to be made up of two first insulated single wires of pair twist.Accomplish plating in protection location cable by extruding inner sheath Tin shielding layer of copper wires 104, avoid cable from bending the broken end after causing tinned copper wire metal fatigue repeatedly and puncture adjacent insulated wire Insulating barrier, the risk of quality problems is substantially reduced, improve the service life of cable.

Wherein, first insulated single wire includes the first tinned copper conductor 101 and its outer one layer of first crosslinking extruded gathers Ethene insulating barrier 102, first tinned copper conductor 101 includes 19 0.12mm tinned copper conductor silks for mutually twisting sum, described The count of tinned copper wire screen layer 104 is not less than 90%.Requirement to count strengthens shield effectiveness, improves anti- Electromagnetic interference capability.

Wherein, the 6 × 0.2mm²Wrapped polyester film 203 outside insulating unit cable 2, the 6 × 0.2mm²Insulating unit cable 2 are formed by the second insulated single wire stranded cable of seven different colours, and second insulated single wire includes the He of the second tinned copper conductor 201 Its outer one layer of second crosslinked polyetylene insulated layer 202 extruded, second tinned copper conductor 201 include 19 and mutually twist sum 0.12mm tinned copper conductor silks.0.2 mm²Insulating unit line 3 includes 19 tinned copper conductors 301 of 0.12mm the 3rd and its One layer of the 3rd crosslinked polyetylene insulated layer 302 extruded outside.The insulation of cable uses cross-linking polyethylene materials, by polyethylene Electron irradiation is carried out, irradiation apparatus is 2.0Mev dynamitron, and irradiation dose is 30 × 10⁴Gy, substantially increase The mechanical property of cable, environmental stress cracking resistance, resistance to corrosive chemicals energy, creep resistance and electrical property etc. are comprehensive Can, and obviously improve temperature resistant grade.

The beneficial effects of the utility model are：0.2mm²Conductor use 19 strands of filament diameters as 0.12mm tinned wirds It is twisted, causes cable overall structure is very soft to be not easily broken, and improve the service life of cable, while is easy to weld. Accomplish tinned copper wire screen layer 104 in protection location cable by extruding inner sheath, avoiding cable from bending repeatedly causes tin-coated copper Broken end after silk metal fatigue punctures the insulating barrier of adjacent insulated wire, substantially reduces the risk of quality problems, improves making for cable Use the life-span.The insulation of cable uses cross-linking polyethylene materials, by carrying out electron irradiation, irradiation apparatus 2.0Mev to polyethylene Dynamitron, irradiation dose be 30 × 10⁴Gy, substantially increase the mechanical property of cable, resisting environmental stress and cracking Performance, resistance to corrosive chemicals energy, the combination property such as creep resistance and electrical property, and obviously improve heatproof etc. Level, will not decompose and be carbonized below 200 DEG C, Long-term service temperature up to 90 DEG C, the thermal life up to 40 years, the braiding copper of cable Silk shielding is woven using tinned copper wire, and count is not less than 90%, under the protection of high density screen layer, is had good anti- Protect interference performance of the extraneous electromagnetism to cable.The jacket material of cable uses low-smoke halide-free fireproof composite polyolefine material, the material Material except with it is fire-retardant the characteristics of in addition to, also burning when without hydracid toxic gas, smoke delivery is low, in some particular fields Close, substantially reduce after cable fire and damaged to the person.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in Protection domain within.

Claims (5)

1. A kind of 1. 17 core aggregation of data cables, it is characterised in that：Mutually twist the pair twist screen of sum in the inner including overcoat and parcel Cover unit cable group, insulating unit cable group, insulating unit line group and polypropylene filled core (4), the overcoat from inside to outside successively by Polyester aluminium laminated film screen layer (5), proof copper-wire braided screen layer (6) and restrictive coating (7) composition；

   The pair twist screen unit cable group is by three groups of 2 × 0.2mm²Pair twist screen unit cable (1) forms, the insulating unit cable group By a 6 × 0.2mm²Insulating unit cable (2) forms, and the insulating unit line group is by four 0.2mm²Insulating unit line (3) group Into.
2. 2. 17 core aggregation of data cable according to claim 1, it is characterised in that：2 × the 0.2mm²Pair twist shielding is single First cable (1) is from inside to outside successively extrude one layer after wrapped laminated polyester film (103), tinned copper wire screen layer (104) and braiding Low smoke halogen-free flame-retardant polyolefin inner restrictive coating (105), the 2 × 0.2mm²Pair twist screen unit cable (1) is by two of pair twist One insulated single wire forms.
3. 3. 17 core aggregation of data cable according to claim 2, it is characterised in that：First insulated single wire includes the One tinned copper conductor (101) and its outer one layer of first crosslinked polyetylene insulated layer (102) extruded, first tinned copper conductor (101) 19 0.12mm tinned copper conductor silks for mutually twisting sum are included, the count of the tinned copper wire screen layer (104) is not Less than 90%.
4. 4. 17 core aggregation of data cable according to claim 2, it is characterised in that：6 × the 0.2mm²Insulating unit cable (2) wrapped polyester film (203) outside, the 6 × 0.2mm²Insulating unit cable (2) by seven different colours the second insulated single wire Stranded cable forms, and second insulated single wire includes the second tinned copper conductor (201) and its outer one layer of second poly- second of crosslinking extruded Alkene insulating barrier (202), second tinned copper conductor (201) include 19 0.12mm tinned copper conductor silks for mutually twisting sum.
5. 5. 17 core aggregation of data cable according to claim 3, it is characterised in that：The 0.2mm²Insulating unit line (3) Including 19 tinned copper conductors (301) of 0.12mm the 3rd and its outer one layer of the 3rd crosslinked polyetylene insulated layer (302) extruded.