CN208368200U - A kind of airfield lighting shielded cable - Google Patents
A kind of airfield lighting shielded cable Download PDFInfo
- Publication number
- CN208368200U CN208368200U CN201820968755.4U CN201820968755U CN208368200U CN 208368200 U CN208368200 U CN 208368200U CN 201820968755 U CN201820968755 U CN 201820968755U CN 208368200 U CN208368200 U CN 208368200U
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Abstract
The utility model discloses the utility model to disclose a kind of airfield lighting shielded cable, and cable includes 4 groups of power lines and 1 group of control line unit composition, and the power wire core successively includes: conductor, the third insulating layer of second from inside to outside.The control line unit is made of 6 control conductors: control conductor includes conductor, the third insulating layer of second from inside to outside, and aluminium-plastic tape, shielding layer of copper wires and sheath is arranged in control line unit outer jacket.Protective coverings of cable is followed successively by inner sheath, concentric shielding layer of copper wires, oversheath from inside to outside；The control line unit sheath, the inner sheath of cable and oversheath are the high anti-tear sheath rubber of LSOH anti-flaming.The utility model cable has excellent resistance to bend(ing) energy, can shield higher hamonic wave and electromagnetic interference, meets the transmission and signal control of aricraft electrical power, long service life and safe and reliable.
Description
Technical field
The utility model relates to a kind of airport shielded cable, specially a kind of airfield lighting shielded cable, belongs to cable preparation
Technical field.
Background technique
With the implementation of state aviation strategy, China's Civil Aviation Industry will make international hub airport during " 13 ",
Build Jing-jin-ji region, the Yangtze River Delta, the world-class airfield complex in Pearl River Delta, Accelerating The Construction Harbin, Shenzhen, Kunming, Chengdu, Chongqing, Xi'an,
The international airlines hinge such as Urumchi, strengthening region property hub airport function, implementation section busy trunk lines airport creates, relocate and
Capacity Expansion Project builds feeder route airport and general airport.It is expected that 260, main line airport will be built up, 500, general airport is built up
More than.Therefore, all kinds of airport private cable demands are growing.
Airport private cable is mainly used for the transmission and signal control of aricraft electrical power, but due to airport spaciousness, lays environment
Climate change is larger, and one kind is needed to have resistance to day and night temperature, resistance to bend(ing) energy, the cable that can shield higher hamonic wave and electromagnetic interference
Match therewith, therefore, to guarantee conveying and signal detection of the airport to aricraft electrical power, develops a kind of airport shielded cable and just show
It obtains particularly necessary.
Utility model content
The utility model provides a kind of airfield lighting shielded cable in view of the deficiencies of the prior art, and the cable is for aircraft electricity
Source, computer system are connected with the power supply of radar station electrical power trans mission/distribution system, have excellent shielding properties, fire-retardant, resist bending, resistance to ring
The performances such as border, and the power Transmission for keeping cable excellent can also transmit detection control signal.
A kind of airfield lighting shielded cable described in the utility model, the control line unit including the heart in the cable is arranged,
In control line unit all around around more power wire cores, a control line unit and four power wire core twisted synthesizing cables
Core, laying up pitch scope control is at 14~16 times；The high anti-tear rubber inner sheath of LSOH anti-flaming is extruded outside cable core, is protected inside
It covers external application copper wire uniform winding and forms metal screen layer, it is 8~10 times that copper wire, which winds pitch,；The finally Halogen outside metal screen layer
The high anti-tear rubber oversheath of low-smoke and flame retardant；The control line unit includes cable, and the cable centerline is equipped with an aramid fiber
Strengthening core controls insulated wire cores around the six roots of sensation using aramid fiber strengthening core as the center of circle outside aramid fiber strengthening core, is externally provided in cable core by cable
The halogen-free flameproof band that core tightens is overlapped wrapped one layer of aluminium-plastic tape outside halogen-free flameproof band, and aluminium faces outwardly, Duplication >=20%,
Thin copper wire woven shield is woven outside aluminium-plastic tape, is passed through catenary suspension type continuous vulcanization outside thin copper wire woven shield and is connected the crowded rubber production of sulphur
Line extrudes the high anti-tear eraser sheath of LSOH anti-flaming.
It is further improved, the power wire core is by power line conductor and the ethylene-propylene rubber being extruded in outside power line conductor
Insulating layer is constituted.
It is further improved, the control insulated wire cores are by control line conductor and the second being extruded in outside control line conductor third
Rubber insulation layer is constituted.
It is further improved, the cross-sectional sizes of the used copper wire of the metal screen layer are the section two of power core conductor
/ mono-.
Compared with prior art, the utility model has the beneficial effects that:
The utility model this method technique is advanced, and cable insulation uses EPDM to insulate for the cross-linking type second third of base-material
Rubber, tensile strength >=8.0MPa of the third insulation rubber of second, elongation at break >=300%, volume resistivity >=1 × 1015Ω·
Cm has excellent insulation performance；Oversheath is using the high anti-tear sheath rubber of LSOH anti-flaming, tensile strength >=11MPa,
Elongation at break >=300%, anti-tear >=6.50N/mm, oxygen index (OI) >=35；
The utility model is by the way that construction of cable innovative design, 4 groups of power lines add 1 group of control line unit to constitute cable core；Control
Line unit processed is located at the center of power line, stable structure；Shielded layer is all devised outside control line unit and cable power line, can be shielded
Higher hamonic wave and electromagnetic interference are covered, cabling power transmission of electricity is effectively ensured and signal controls environment electromagnetics, electric field shielding, it is ensured that cable
Shield effectiveness, electric power transmission and signal control work independently, and do not interfere with each other；
The utility model uses aluminum plastic belt+proof copper-wire braided shielding construction in control line unit, uses outside cable power core
Copper wire is uniformly distributed winding shielding construction, can shield higher hamonic wave and electromagnetic interference, and cabling power transmission of electricity and signal is effectively ensured
Control environment electromagnetics, electric field shielding, it is ensured that cable shield effect, electric power transmission and signal control work independently, and do not interfere with each other；
The utility model uses that EVA is fire-retardant for base-material, high anti-tear elastomer Halogen rubber, the tensile strength of sheath rubber
>=11MPa, elongation at break >=300%, anti-tear >=6.5N/mm, oxygen index (OI) >=35, LSOH anti-flaming highly resistance after vulcanization crosslinking
Sheath rubber is torn compared with thermoplastic halogen-free sheath material, elasticity resists this performance, cracking resistance, wear-resisting property excellent, is able to satisfy electricity
The demand of transmission of electricity of the cable under the spacious round-the-clock environment in airport.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
Utility model is described further below by way of specific embodiment, and in conjunction with attached drawing.
As shown in Figure 1, a kind of airfield lighting shielded cable, the control line unit including the heart in the cable is arranged, are controlling
Line unit all around around more power wire cores, a control line unit and four power wire cores are twisted into cable core, at
Cable pitch range is controlled at 14~16 times；The high anti-tear rubber inner sheath 3 of LSOH anti-flaming is extruded outside cable core, outside inner sheath
Metal screen layer 4 is formed with copper wire uniform winding, it is 8~10 times that copper wire, which winds pitch,；Finally Halogen is low outside metal screen layer
The anti-tear rubber oversheath 5 of the fire-retardant height of cigarette；
The power wire core is by power line conductor 1 and 2 structure of ethylene-propylene rubber insulated layer being extruded in outside power line conductor
At.
The control line unit includes cable, and the cable centerline is equipped with an aramid fiber strengthening core 11, in aramid fiber plus
Strong core is outer to control insulated wire cores around the six roots of sensation using aramid fiber strengthening core as the center of circle, and the control insulated wire cores are by control line conductor 6
And the ethylene-propylene rubber insulated layer 7 being extruded in outside control line conductor is constituted；The halogen-free flameproof for tightening cable core is externally provided in cable core
Band is overlapped wrapped one layer of aluminium-plastic tape 8 outside halogen-free flameproof band, and aluminium faces outwardly, Duplication >=20%, outside aluminium-plastic tape
Thin copper wire woven shield 9 is woven, passes through catenary suspension type continuous vulcanization outside thin copper wire woven shield and connects sulphur and squeeze rubber production line to extrude Halogen low
The anti-tear eraser sheath 10 of the fire-retardant height of cigarette.
A kind of preparation method of airfield lighting shielded cable, includes the following steps:
1) raw material of the insulation of second third, the high anti-tear sheath of LSOH anti-flaming are processed into completely respectively by mixer first
Foot connects the rubber compound rubber of sulphur extrusion；
2) pass through catenary suspension type continuous vulcanization outside power core conductor and connect the crowded rubber production line extrusion ethylene-propylene rubber insulated layer of sulphur, extrusion temperature
Control is at 80 DEG C~90 DEG C, and production linear speed control is at 5~10 ms/min, and core heats in closed jet chimney and connects after extrusion
Continuous vulcanization, jet chimney pressure control is in 0.9MPa~1.0MPa；It is cooled into power wire core using water cooled pipeline after vulcanization,
Cooling section coolant-temperature gage is controlled at 30 DEG C~50 DEG C；
3) pass through catenary suspension type continuous vulcanization outside control core conductor and connect the crowded rubber production line extrusion ethylene-propylene rubber insulated layer of sulphur, extrusion temperature
Control is at 80 DEG C~90 DEG C, and production linear speed control is at 20~25 ms/min, and core heats in closed jet chimney and connects after extrusion
Continuous vulcanization, jet chimney pressure control is in 0.8MPa~0.9MPa；Control insulation is cooled into using water cooled pipeline after vulcanization
Core, cooling section coolant-temperature gage are controlled at 30 DEG C~50 DEG C；
4) then 6 control insulated wire cores are twisted into the cable core of control line unit with back twist cage cable-former, at
The control of cable pitch range is in 12~14 times of laying up diameter, piece aramid fiber strengthening core of cable core center-filled, and with halogen-free flameproof band
The cable core of control line unit is tightened；
5) wrapped one layer of aluminium-plastic tape being then overlapped outside the cable core of control line unit, aluminium faces outwardly, Duplication >=
20%；
6) it is then woven in the aluminium-plastic tape external application thin copper wire of control line unit, count >=81%；
7) then pass through catenary suspension type continuous vulcanization outside the thin copper wire braiding layer of control line unit and connect sulphur and squeeze rubber production line to extrude Halogen low
The fire-retardant anti-tear sheath rubber of height of cigarette；Extrusion temperature is controlled at 85 DEG C~95 DEG C, and production linear speed control is at 10~15 ms/min, line
Core heats continuous vulcanization in closed jet chimney, and jet chimney pressure control is in 0.9MPa~1.0MPa；After vulcanization using
Water cooled pipeline is cooling, and cooling section coolant-temperature gage is controlled at 30 DEG C~50 DEG C.
8) 4 power wire cores, 1 control line unit are twisted as cable core, control line list with back twist cage cable-former
First center for being located at 4 power wire cores, laying up diameter of the laying up pitch scope control at 14~16 times, and will with halogen-free flameproof band
Cable core tightens；
9) then pass through catenary suspension type continuous vulcanization outside cable conductor and connect sulphur and squeeze rubber production line and extrude the high anti-tear interior shield of LSOH anti-flaming
Cover rubber；Extrusion temperature is controlled at 85 DEG C~95 DEG C, and production linear speed control is at 8~12 ms/min, and core is in closed steam pipe
Road heats continuous vulcanization, and jet chimney pressure control is in 0.9MPa~1.2MPa；It is cooling using water cooled pipeline after vulcanization, it is cooling
Section coolant-temperature gage control is at 30 DEG C~50 DEG C；
10) then in cable inner sheath external application copper wire uniform winding, the section of copper wire be power core conductor two/
One, copper wire winds the inner sheath outer diameter that pitch is 8~10 times；
11) finally pass through catenary suspension type continuous vulcanization outside copper wire winding layer and connect sulphur and squeeze rubber production line and extrude the high anti-tear shield of LSOH anti-flaming
Cover rubber；Extrusion temperature is controlled at 85 DEG C~95 DEG C, and production linear speed control is at 5~8 ms/min, and core is in closed steam pipe
Road heats continuous vulcanization, and jet chimney pressure control is in 0.9MPa~1.2MPa；It is cooling using water cooled pipeline after vulcanization, it is cooling
Section coolant-temperature gage control is at 30 DEG C~50 DEG C.
The utility model this method technique is advanced, and cable insulation uses EPDM to insulate for the cross-linking type second third of base-material
Rubber, tensile strength >=8.0MPa of the third insulation rubber of second, elongation at break >=300%, volume resistivity >=1 × 1015Ω·
Cm has excellent insulation performance；Oversheath is using the high anti-tear sheath rubber of LSOH anti-flaming, tensile strength >=11MPa,
Elongation at break >=300%, anti-tear >=6.50N/mm, oxygen index (OI) >=35；
The utility model is by the way that construction of cable innovative design, 4 groups of power lines add 1 group of control line unit to constitute cable core；Control
Line unit processed is located at the center of power line, stable structure；Shielded layer is all devised outside control line unit and cable power line, can be shielded
Higher hamonic wave and electromagnetic interference are covered, cabling power transmission of electricity is effectively ensured and signal controls environment electromagnetics, electric field shielding, it is ensured that cable
Shield effectiveness, electric power transmission and signal control work independently, and do not interfere with each other；
The utility model uses aluminum plastic belt+proof copper-wire braided shielding construction in control line unit, uses outside cable power core
Copper wire is uniformly distributed winding shielding construction, can shield higher hamonic wave and electromagnetic interference, and cabling power transmission of electricity and signal is effectively ensured
Control environment electromagnetics, electric field shielding, it is ensured that cable shield effect, electric power transmission and signal control work independently, and do not interfere with each other；
The utility model uses that EVA is fire-retardant for base-material, high anti-tear elastomer Halogen rubber, the tensile strength of sheath rubber
>=11MPa, elongation at break >=300%, anti-tear >=6.5N/mm, oxygen index (OI) >=35, LSOH anti-flaming highly resistance after vulcanization crosslinking
Sheath rubber is torn compared with thermoplastic halogen-free sheath material, elasticity resists this performance, cracking resistance, wear-resisting property excellent, is able to satisfy electricity
The demand of transmission of electricity of the cable under the spacious round-the-clock environment in airport.
The above is only the preferred embodiment of the utility model.It should be pointed out that for the ordinary skill people of this field
For member, under the premise of not departing from this utility model principle, several variations and modifications can also be made, these also should be regarded as
Belong to the protection scope of the utility model.
Claims (4)
1. a kind of airfield lighting shielded cable, which is characterized in that the control line unit including the heart in the cable is arranged, in control line
Unit all around around more power wire cores, a control line unit and four power wire cores are twisted into cable core, stranding
Pitch range is controlled at 14~16 times；The high anti-tear rubber inner sheath of LSOH anti-flaming is extruded outside cable core, in inner sheath external application
Copper wire uniform winding forms metal screen layer, and it is 8~10 times that copper wire, which winds pitch,；Finally low smoke, zero halogen hinders outside metal screen layer
The high anti-tear rubber oversheath of combustion；The control line unit includes cable, and the cable centerline is equipped with an aramid fiber strengthening core,
Insulated wire cores are controlled around the six roots of sensation using aramid fiber strengthening core as the center of circle outside aramid fiber strengthening core, is externally provided in cable core and tightens cable core
Halogen-free flameproof band is overlapped wrapped one layer of aluminium-plastic tape outside halogen-free flameproof band, and aluminium faces outwardly, Duplication >=20%, multiple in plastic-aluminum
Thin copper wire woven shield is woven outside crossed belt, is passed through catenary suspension type continuous vulcanization outside thin copper wire woven shield and is connected sulphur and squeeze rubber production line and extrudes nothing
The high anti-tear eraser sheath of halogen low-smoke and flame retardant.
2. airfield lighting shielded cable according to claim 1, it is characterised in that: the power wire core is led by power line
Body and the ethylene-propylene rubber insulated layer being extruded in outside power line conductor are constituted.
3. airfield lighting shielded cable according to claim 1, it is characterised in that: the control insulated wire cores are by controlling
Line conductor and the ethylene-propylene rubber insulated layer being extruded in outside control line conductor are constituted.
4. airfield lighting shielded cable according to claim 1, it is characterised in that: the used copper of the metal screen layer
The cross-sectional sizes of silk are the half in the section of power core conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820968755.4U CN208368200U (en) | 2018-06-22 | 2018-06-22 | A kind of airfield lighting shielded cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820968755.4U CN208368200U (en) | 2018-06-22 | 2018-06-22 | A kind of airfield lighting shielded cable |
Publications (1)
| Publication Number | Publication Date |
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| CN208368200U true CN208368200U (en) | 2019-01-11 |
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ID=64926351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820968755.4U Active CN208368200U (en) | 2018-06-22 | 2018-06-22 | A kind of airfield lighting shielded cable |
Country Status (1)
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| CN (1) | CN208368200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878009A (en) * | 2018-06-22 | 2018-11-23 | 无锡市明珠电缆有限公司 | A kind of airfield lighting shielded cable and preparation method thereof |
-
2018
- 2018-06-22 CN CN201820968755.4U patent/CN208368200U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878009A (en) * | 2018-06-22 | 2018-11-23 | 无锡市明珠电缆有限公司 | A kind of airfield lighting shielded cable and preparation method thereof |
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