CN202930118U

CN202930118U - Intelligent and environment-friendly optical fiber composite medium-voltage power cable

Info

Publication number: CN202930118U
Application number: CN 201220618696
Authority: CN
Inventors: 薛家喜; 王卫东
Original assignee: JIANGSU CARENANO CABLE GROUP Co Ltd
Current assignee: JIANGSU CARENANO CABLE GROUP Co Ltd
Priority date: 2012-11-21
Filing date: 2012-11-21
Publication date: 2013-05-08
Anticipated expiration: 2022-11-21

Abstract

The utility model discloses an intelligent and environment-friendly optical fiber composite medium-voltage power cable, which comprises a cable conductor, a taping layer and an outer sheath layer. The taping layer and the outer sheath layer are sequentially arranged outside the cable conductor. The cable conductor comprises mutually twisted power cable cores, a communication optical cable, an on-line monitoring optical cable and fillings. The on-line monitoring optical cable comprises monitoring optical fibers, an optical fiber ferrule, nonmetallic reinforcing pieces and a sheath, wherein the monitoring optical fibers, the optical fiber ferrule, the nonmetallic reinforcing pieces and the sheath are successively arranged from inside to outside. According to the technical scheme of the utility model, the intelligent and environment-friendly optical fiber composite medium-voltage power cable has the advantages of reasonable structure design and advanced manufacturing process. Meanwhile, the disadvantages of the monitoring optical cable, namely poor tensile strength, unsatisfactory flame-retardant performance, undesirable environmental protection property and the like, are overcome. The comprehensive protection property and the adaptability of the cable are also improved.

Description

Optical fiber composite intelligent environmental protection medium-pressure power cable

Technical field

The utility model relates to a kind of medium-pressure power cable, particularly a kind of optical fiber composite intelligent environmental protection medium-pressure power cable that can realize electric power transfer and communications and on-line monitoring.

Background technology

Optical fiber composite intelligent environmental protection medium-pressure power cable, it is a kind of novel optical fiber composite cable, except having the functions such as common power cable, telecommunication cable and on-line monitoring, also have the functions such as LSOH anti-flaming environmental protection, can be used for medium voltage electricity intelligence transmission line, also can be used for integration of three networks Project Realization on-line monitoring electric power networks function, to realize national intelligence environment protection power grid construction.

Along with domestic intelligent grid is built iterative method and development; and the mankind are to the ecological environmental protection pay attention to day by day; the intelligent environmental protection type fiber composite power cable will progressively be subject to users' favor; with the staple product that progressively becomes in the intelligent grid construction; satisfy intelligence environment protection electric network information, automation, interactive requirement; have stronger advantage and use widely, will provide safe and reliable guarantee for the intelligent grid construction.

The research and development achievement of optical fiber composite intelligent medium-pressure power cable also has announcement in patent documentation at present; such as utility model patent ZL201220039903.7 disclosed " a kind of optical fiber composite intelligent medium-pressure power cable "; in designing in structure; online detecting/monitoring light unit does not have the more protection measure; as easy as rolling off a logly occur that optical fiber is broken, crush injury; cause on-line monitoring to lose efficacy; although the intelligent function of electric power transfer, communications and on-line monitoring is arranged; but do not possess the functions such as LSOH anti-flaming environmental protection, can only be applicable to common place.So being needed further to promote various performances, optical fiber composite intelligent medium-pressure power cable comes the satisfying the market needs.

The utility model content

The purpose of this utility model is to provide a kind of optical fiber composite intelligent environmental protection medium-pressure power cable, prevents cable in use, and the on-line monitoring optical fibre in optical cable occurs breaking or crush injury equivalent damage problem.

The technical solution of the utility model is such: a kind of optical fiber composite intelligent environmental protection medium-pressure power cable comprises cable core and is successively set on cable core outer belting layer and outer jacket; Described cable core comprises power cable core, communications optical cable and on-line monitoring optical cable and the filling that twists together, and described on-line monitoring optical cable comprises monitoring optical fiber, ferrule, non-metal reinforcement member and sheath from inside to outside successively.

Be provided with successively oxygen barrier layer and armour between described belting layer and outer jacket.

Described power cable core is followed successively by metallic conductor, conductor screen, insulating barrier, insulation shielding and metallic shield from inside to outside.

Described communications optical cable comprises multi-core fiber bundle, sleeve pipe, reinforcement from inside to outside successively, belting layer and sheath block water.

Described outer jacket, oxygen barrier layer, filling, belting layer are the LSOH anti-flaming environment-friendly materials.

Described non-metal reinforcement member is the aramid yarn reinforcement.

The advantage of technical scheme provided by the utility model is; adopt medium-pressure power cable core, communications optical cable and the design of on-line monitoring optical cable three-in-one structure; and the on-line monitoring optical cable aramid yarn reinforcement and sheath have been increased; monitoring optical fiber is well protected; the stretching resistance of on-line monitoring optical cable, anti-extrusion ability have been strengthened, more accurately monitoring cable operating temperature and deflection.this cable sheath adopts and extrudes halogen-free and low-smoke flame-retardant polyolefin oxygen barrier material, improved the cable-flame retardant grade, the galvanized steel strip armouring has strengthened the anti-extrusion ability of cable, outer jacket adopts halogen-free and low-smoke flame-retardant polyolefin ring protection jacking, other auxiliary material are filled, band, all adopt the LSOH anti-flaming environment-friendly materials, thereby strengthened the electric power transfer of cable, communication and monitoring operational support ability, environmental protection and safety comprehensive protective capacities, the various performances of cable are significantly improved, can satisfy more broadly the Code in Hazardous Special Locations user demands such as intelligent grid engineering construction.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the communications optical cable structural representation;

Fig. 3 is on-line monitoring cable configuration schematic diagram.

Embodiment

The utility model is described in further detail below in conjunction with embodiment, but not as to restriction of the present utility model.

See also Fig. 1, Fig. 2 and Fig. 3, the utility model optical fiber composite intelligent environmental protection medium-pressure power cable is followed successively by cable core, belting layer 5, oxygen barrier layer 6, armour 7 and outer jacket 8 from inside to outside.Cable core comprises power cable core 1, communications optical cable 2 and the on-line monitoring optical cable 3 that twists together and fills 4.Power cable core 1 is selected 3, and communications optical cable 2 is selected 3, is placed in the cable core outer void stranded together, and monitoring optical cable 3 is selected 1, is placed in the cable core center, fills 4 and is placed in the twisted cable core space.On-line monitoring optical cable 3 comprises monitoring optical fiber 31, ferrule 32, non-metal reinforcement member 33 and sheath 34 from inside to outside successively.Monitoring optical fiber 31 can arrange 2～12 cores, adopt the central beam tube type structure, ferrule 32 adopts the PBT material to extrude, non-metal reinforcement member 33 adopts the aramid yarn material, stranded outside ferrule, sheath 34 adopts aluminum plastic composite belt longitudinal bag and LSOH anti-flaming environment-friendly polyolefin binding type protective cover material to extrude.

Outer jacket 8 adopts the form that extrudes; select halogen-free and low-smoke flame-retardant polyolefin ring protection jacking; armour 7 adopts double-tape armor; select the galvanized steel strip material; oxygen barrier layer 6 adopts the form that extrudes; select the LSOH anti-flaming oxygen barrier layer material of oxygen index more than 35, belting layer 5 and fill 4 and all select the halogen-free flame-proof environmental protection material.

Power cable core 1 is followed successively by metallic conductor 11, conductor screen 12, insulating barrier 13, insulation shielding 14 and metallic shield 15 from inside to outside.Metallic conductor 11 adopts and forms stranded pressing of annealed copper, conductor screen 12, insulating barrier 13 and insulation shielding 14 adopt three-layer co-extruded dry cross-linking technique to make, material is selected respectively crosslinkable type conductor screen material, XLPE Insulation Material, insulation shielding material, metallic shield 15 adopts copper strips wrapped, and wrapped Duplication is greater than 15%.

Described communications optical cable 2 comprises multi-core fiber bundle 21, sleeve pipe 22, reinforcement 23 from inside to outside successively, belting layer 24 and sheath 25 block water.21 every groups of maximums of multi-core fiber bundle can be held 12 core fibres, adopt layer-twisted type 1+6 structure, every optical cable can hold 72 core fibres, 3 optical cables can realize that 216 core fibres transmit simultaneously, and sleeve pipe 22 adopts the PBT material to extrude, and adopt fine cream to fill between the pipe inner fiber, reinforcement 23 is the FRP glass fiber material, be placed in the communications optical cable center, 24 protective actions that block water of belting layer that block water, sheath 25 adopts aluminum plastic composite belt longitudinal bag+LSOH anti-flaming environment-friendly polyolefin binding type protective cover materials to extrude.

The utility model adopts rational structural design and advanced manufacturing process to make fiber composite power cable, overcome the deficiency of the performances such as monitoring optical cable tensile, anti-extrusion and cable Halogen, fire-retardant, environmental protection, strengthen cable integrated protection characteristic, reached various performances and the adaptability of this optical fiber composite intelligent environmental protection medium-pressure power cable.

Claims

1. an optical fiber composite intelligent environmental protection medium-pressure power cable, comprise cable core and be successively set on cable core outer belting layer (5) and outer jacket (8); Described cable core comprises power cable core (1), communications optical cable (2) and the on-line monitoring optical cable (3) that twists together and fills (4), it is characterized in that: described on-line monitoring optical cable (3) comprises monitoring optical fiber (31), ferrule (32), non-metal reinforcement member (33) and sheath (34) from inside to outside successively.

2. optical fiber composite intelligent environmental protection medium-pressure power cable according to claim 1, is characterized in that: be provided with successively oxygen barrier layer (6) and armour (7) between described belting layer (5) and outer jacket (8).

3. optical fiber composite intelligent environmental protection medium-pressure power cable according to claim 1, it is characterized in that: described power cable core (1) is followed successively by metallic conductor (11), conductor screen (12), insulating barrier (13), insulation shielding (14) and metallic shield (15) from inside to outside.

4. optical fiber composite intelligent environmental protection medium-pressure power cable according to claim 1, it is characterized in that: described communications optical cable (2) comprises multi-core fiber bundle (21), sleeve pipe (22), reinforcement (23), the belting layer that blocks water (24) and sheath (25) from inside to outside successively.

5. the described optical fiber composite intelligent of any one environmental protection medium-pressure power cable according to claim 2 to 4 is characterized in that: described outer jacket (8), oxygen barrier layer (6), fill (4) and belting layer (5) is the LSOH anti-flaming environment-friendly materials.

6. the described optical fiber composite intelligent of any one environmental protection medium-pressure power cable according to claim 2 to 4, it is characterized in that: described non-metal reinforcement member (33) is the aramid yarn reinforcement.