CN207624441U

CN207624441U - A kind of low-voltage cable

Info

Publication number: CN207624441U
Application number: CN201721607819.XU
Authority: CN
Inventors: 王成刚; 钱东召
Original assignee: Jiangxi Southeast Crosslinked Power Cable Co Ltd
Current assignee: Jiangxi Southeast Crosslinked Power Cable Co Ltd
Priority date: 2017-11-27
Filing date: 2017-11-27
Publication date: 2018-07-17
Anticipated expiration: 2027-11-27

Abstract

The utility model discloses a kind of low-voltage cables, including cable conductor unit, optical cable unit, fiber unit, the cable conductor unit, optical cable unit, fiber unit are twisted into cable core around nonmetallic strengthening core, outside the cable core and gap is coated with filled layer, it is coated with wrapping layer outside the filled layer, shielded layer is coated with outside the wrapping layer, external insulation layer is coated with outside the shielded layer, it is coated with waterproof layer outside the external insulation layer, sheath is coated with outside the waterproof layer.The setting of the utility model overall structure is reasonable, integrates optical fiber and electrical power distribution cable, avoids secondary wiring, can effectively reduce the expenses such as construction, network construction；It is equipped with nonmetallic strengthening core in cable, traction-resistant fibre or steel wire are set in external insulation layer as tensile cord, can effectively reinforce the pull resistance of cable；It is effectively impermeable equipped with waterproof layer, there is good practicability.

Description

A kind of low-voltage cable

Technical field

The utility model is related to a kind of cable more particularly to a kind of low-voltage cables.

Background technology

Existing low-voltage cable refers to that 1KV cables below are low-voltage cable, and this cable is relatively common, and specification is more, Also more common, and optical fiber composite low-voltage cable builds one of the important cable products in covering as multi-internet integration, has merged logical The function of letter and electric power, can effectively realize the multi-internet integration of telecommunications network, electric transmission network, internet etc., reduce network and build and cover Cost is one of highest " multi-internet integration " product of current cost performance.

At present China's cable producer can research and develop and produce optical fiber composite low-voltage cable enterprise it is few, and all cable core all It is composed using more power and an optical cable, although this spline structure is simple, because power wire core conductor uses metal material, and What optical cable used is all nonmetallic materials, but in cable core manufacturing process, power wire core and optical cable laying tension are inconsistent, to hold The optical fiber composite low-voltage cable shape for easily leading to finished product is in serpentine, is not easy to poling and is coated with, and is being coated with installation or was using Cheng Zhong when optical fiber composite low-voltage cable is by external forces, because optical fiber all concentrates in an optical cable, be easy to cause optical fiber It is damaged, is scrapped so as to cause whole optical fiber composite low-voltage cable simultaneously.

Utility model content

To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of improved optical fiber composite low-voltage cable, it It is realized using following technical scheme：

A kind of low-voltage cable, including cable conductor unit, optical cable unit, fiber unit, the cable conductor unit, optical cable Unit, fiber unit are twisted into cable core around nonmetallic strengthening core, and the cable core outside and gap are coated with filled layer, described It is coated with wrapping layer outside filled layer, shielded layer is coated with outside the wrapping layer, external insulation is coated with outside the shielded layer Layer, it is coated with waterproof layer outside the external insulation layer, sheath is coated with outside the waterproof layer.

Further, the cable conductor unit center portion is equipped with conductor thread core, and insulation is coated with outside the conductor thread core Layer.

Further, the cable conductor unit is four.

Further, the optical cable unit center portion is equipped with heat detection optical cable, is coated with outside the heat detection optical cable The outside of optical harness spool, the optical harness spool is coated with cable jacket.

Further, the fiber unit center portion is equipped with optical fiber, and the outer fiber is coated with fiber optic bundle spool, the light It is coated with optical fiber jacket outside fine bunch pipe.

Further, it is evenly distributed with tensile cord in the external insulation layer.

Compared with prior art, the beneficial effects of the utility model：The setting of the utility model overall structure is reasonable, collects optical fiber With electrical power distribution cable, secondary wiring is avoided, can effectively reduces the expenses such as construction, network construction；It is equipped in cable Nonmetallic strengthening core sets traction-resistant fibre or steel wire as tensile cord in external insulation layer, can effectively reinforce the pull resistance of cable； It is effectively impermeable equipped with waterproof layer, there is good practicability.

Description of the drawings

Fig. 1 is the viewgraph of cross-section of the utility model；

In figure, 1, cable conductor core；2, insulating layer；3, heat detection optical cable；4, optical harness spool；5, cable jacket； 6, nonmetallic strengthening core；7, optical fiber；8, fiber optic bundle spool；9, optical fiber jacket；10, filled layer；11, wrapping layer；12, shielded layer； 13, external insulation layer；14, tensile cord；15, waterproof layer；16, housing.

Specific implementation mode

The utility model preferred embodiment is provided below in conjunction with the accompanying drawings, the technical solution of the utility model is described in detail.

As shown in Figure 1, a kind of low-voltage cable, including cable conductor unit, optical cable unit, fiber unit, the cable are led Body unit, optical cable unit, fiber unit are twisted into cable core around nonmetallic strengthening core 6, are coated with gap outside the cable core There is filled layer 10, wrapping layer 11 is coated with outside the filled layer 10, shielded layer 12 is coated with outside the wrapping layer 11, it is described It is coated with external insulation layer 13 outside shielded layer 12, is coated with waterproof layer 15 outside the external insulation layer 13, outside the waterproof layer 15 Portion is coated with sheath 17.

The cable conductor unit center portion is equipped with conductor thread core 1, and insulating layer 2 is coated with outside the conductor thread core 1.

The cable conductor unit is four.

The optical cable unit center portion is equipped with heat detection optical cable 3, and optical cable bunch is coated with outside the heat detection optical cable 3 The outside of pipe 4, the optical harness spool 4 is coated with cable jacket 5.

The fiber unit center portion is equipped with optical fiber 7, and fiber optic bundle spool 8, the optical fiber bunch are coated with outside the optical fiber 7 Optical fiber jacket 9 is coated with outside pipe 8.

Tensile cord 14 is evenly distributed in the external insulation layer 13.

Claims

1. a kind of low-voltage cable, including cable conductor unit, optical cable unit, fiber unit, it is characterised in that：The cable conductor Unit, optical cable unit, fiber unit are around nonmetallic strengthening core（6）It is twisted into cable core, is coated with gap outside the cable core There is filled layer（10）, the filled layer（10）Outside is coated with wrapping layer（11）, the wrapping layer（11）Outside is coated with shielding Layer（12）, the shielded layer（12）Outside is coated with external insulation layer（13）, the external insulation layer（13）Outside is coated with waterproof layer （15）, the waterproof layer（15）Outside is coated with sheath（17）.

2. a kind of low-voltage cable according to claim 1, it is characterised in that：The cable conductor unit center portion is equipped with conductor Core（1）, the conductor thread core（1）Outside is coated with insulating layer（2）.

3. a kind of low-voltage cable according to claim 2, it is characterised in that：The cable conductor unit is four.

4. a kind of low-voltage cable according to claim 3, it is characterised in that：The optical cable unit center portion is equipped with heat detection Optical cable（3）, the heat detection optical cable（3）Outside is coated with optical harness spool（4）, the optical harness spool（4）External packet It is covered with cable jacket（5）.

5. a kind of low-voltage cable according to claim 4, it is characterised in that：The fiber unit center portion is equipped with optical fiber（7）, The optical fiber（7）Outside is coated with fiber optic bundle spool（8）, the fiber optic bundle spool（8）Outside is coated with optical fiber jacket（9）.

6. a kind of low-voltage cable according to claim 5, it is characterised in that：The external insulation layer（13）Inside it is evenly distributed with Tensile cord（14）.