CN205645370U - Medium voltage fireproof cable - Google Patents

Medium voltage fireproof cable Download PDF

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Publication number
CN205645370U
CN205645370U CN201620321695.8U CN201620321695U CN205645370U CN 205645370 U CN205645370 U CN 205645370U CN 201620321695 U CN201620321695 U CN 201620321695U CN 205645370 U CN205645370 U CN 205645370U
Authority
CN
China
Prior art keywords
layer
fire
cable
cable core
halogen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620321695.8U
Other languages
Chinese (zh)
Inventor
蒋建忠
李金连
陈明华
梁国华
齐宏文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Shuguang Cable Co Ltd
Original Assignee
Yangzhou Shuguang Cable Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yangzhou Shuguang Cable Co Ltd filed Critical Yangzhou Shuguang Cable Co Ltd
Priority to CN201620321695.8U priority Critical patent/CN205645370U/en
Application granted granted Critical
Publication of CN205645370U publication Critical patent/CN205645370U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a medium voltage fireproof cable, including the cable core, set gradually in the cable core outside that first nothing is steamed not to be had steamedly around the band around covering, armor and oversheath layer around the band around covering, insulating layer, fire - resistant silicone rubber layer, second, cable core and first nothing are steamed around setting up the filling layer between the covering. This medium voltage fireproof cable has excellent electrical property, fire resistance and fire behaviour, has prolonged the life of cable, can guarantee the noncongestion of power supply line when the conflagration takes place, for the relief of disaster, it provides the safety guarantee to flee.

Description

One is pressed fire-resisting cable
Technical field
This utility model relates to field of cables, particularly to a kind of be applicable to intermediate distribution system pressure fire-resistant Cable.
Background technology
At present the electric pressure overwhelming majority of fireproof power cable product concentrates on 1kV and following, and some are special If large-scale tall buildings thing, national large-scale key project etc. use 0.6-1kV low voltage distribution cable as usual, Its cable consumption and laying installation workload, more usual building becomes decades of times to increase, and cable laying space becomes Several times of growths, both consumptive materials, consume energy again;And cable laying is too much, excessive in building, safety also can be given Use brings adverse effect.Therefore, the occasion not only having needed mesohigh power transmission and distribution as these but also having required flame-retardant It is necessary for using medium voltage fire.It is fire-resistant that existing middle pressure fire-resisting cable arranges combination outside cable core Layer, due to the refractory material used and unreasonable structure, causes current-carrying capacity of cable on the low side, and heating occurs in cable Phenomenon;The outside diameter of cable is made troubles to laying installation relatively greatly simultaneously, too increases product cost.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides one and can ensure when fire occurs to supply Electric line unimpeded, for the disaster relief, escape provides safety guarantee, heat-proof quality is good middle pressure fire-resisting cable.
The technical solution of the utility model is as follows:
One is pressed fire-resisting cable, including cable core, is orderly arranged outside each the first Halogen twining package tape at described cable core Lapping layer, thermal insulation layer, fire-resistant silicon rubber layer, the second Halogen twining package tape lapping layer, armor and external sheath layer; Between described cable core and the first Halogen twining package tape lapping layer, packed layer is set.
Preferably, described cable core includes three groups of cores the most stranded, and each core includes copper conductor respectively, It is orderly arranged outside each semiconductive belting layer, conductor shield, insulating barrier, insulation screen at described copper conductor With copper strips lapping layer.
Preferably, the material of described packed layer is alkali-free glass cord.
Preferably, described insulating layer material is low smoke and zero halogen oxygen barrier material.
Preferably, described fire-resistant silicon rubber layer uses ceramic macromolecule composite fire silicone rubber.
Preferably, described armor is the galvanized steel strip that double-layer partition is wrapped.
One of the present utility model is pressed fire-resisting cable designed by optimization, use new functional layer to design, newly Technique, improves the electrical property of cable, fire resistance, halogen-free flameproof performance, extends use longevity of cable Life.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
In figure, 1-core, 2-the first Halogen twining package tape lapping layer, 3-thermal insulation layer, 4-fire-resistant silicon rubber layer, 5-the second Halogen twining package tape lapping layer, 6-armor, 7-external sheath layer, 8-packed layer, 11-copper conductor, 12- Semiconductive belting layer, 13-conductor shield, 14-insulating barrier, 15-insulation screen, 16-copper strips lapping layer.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing to this Utility model is described in further detail.
With reference to the structural representation shown in Fig. 1, this utility model includes that three groups of cores 1 the most stranded are constituted Cable core, be orderly arranged outside each the first Halogen twining package tape lapping layer 2, thermal insulation layer 3, fire-resistant silicon at described cable core Rubber layer the 4, second Halogen twining package tape lapping layer 5, armor 6 and external sheath layer 7;Described cable core and first Between Halogen twining package tape lapping layer 2, packed layer 8 is set;Described core 1 includes copper conductor 11 respectively, in institute State copper conductor 11 and be orderly arranged outside each semiconductive belting layer 12, conductor shield 13, insulating barrier 14 and insulation Screen layer 15, copper strips lapping layer 16.
Copper conductor 11 described in the utility model selects the annealed copper conductor meeting GB/T3956-2008;Described half Conduction belting layer 12 is semiconductive material, should meet GB/T12706.2-2008 regulation;Conductor shield 13, Insulating barrier 14, insulation screen 15 use three-layer co-extruded technology to extrude simultaneously, and shielding material should meet GB/T12706.2-2008 specifies, insulant is XLPE, also should meet GB/T12706.2-2008 regulation; Packing material is alkali-free glass cord, and band is low smoke and zero halogen twining package tape, has high temperature resistant and high flame resistance, Be conducive to tightening cable core simultaneously;Thermal insulation layer 3 material is low smoke and zero halogen oxygen barrier layered material, and oxygen barrier layer thickness should accord with Closing GB/T12706.1-2008 regulation, owing to its heat conduction, anti-flammability are the best, the moisture of precipitation can play The effect fully lowered the temperature flame retardant coating, fully ensures that the high flame-retardant property of cable;Described fire-resistant silicon rubber layer 4 Use ceramic macromolecule composite fire silicone rubber, in the case of by flame ablation, it is possible to formed one layer good Good isolation layer, stops burning away of flame, plays good flameproof effect;Armoring material is galvanized steel Band, wrapped for Double-layer gap;External sheath layer 7 is low-smoke halogen-free flame-retardant sheath material, has low-smoke non-halogen flame-retardant Performance, jacket thickness should meet GB/T12706.2-2008 regulation.This utility model is designed by optimization, makes By new material, new construction, new technology, improve the electrical property of cable, fire resistance, halogen-free flameproof performance, Extend the service life of cable.
Certain above-mentioned embodiment only for technology of the present utility model design and feature are described, its object is to allow Person skilled in the art will appreciate that content of the present utility model and implements according to this, can not limit this with this The protection domain of utility model.All modifications done according to the spirit of this utility model main technical schemes, All should contain within protection domain of the present utility model.

Claims (2)

1. press a fire-resisting cable in, including cable core, it is characterised in that be orderly arranged outside each the first Halogen twining package tape lapping layer, thermal insulation layer, fire-resistant silicon rubber layer, the second Halogen twining package tape lapping layer, armor and external sheath layer at described cable core;Between described cable core and the first Halogen lapping layer, packed layer is set;The material of described packed layer is alkali-free glass cord;The material of described thermal insulation layer is low smoke and zero halogen oxygen barrier material;Described fire-resistant silicon rubber layer uses ceramic macromolecule composite fire silicone rubber;Described armor is the galvanized steel strip that double-layer partition is wrapped.
One the most according to claim 1 is pressed fire-resisting cable, it is characterized in that, described cable core includes three groups of cores the most stranded, each core includes copper conductor respectively, is orderly arranged outside each semiconductive belting layer, conductor shield, insulating barrier, insulation screen and copper strips lapping layer at described copper conductor.
CN201620321695.8U 2016-04-15 2016-04-15 Medium voltage fireproof cable Active CN205645370U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620321695.8U CN205645370U (en) 2016-04-15 2016-04-15 Medium voltage fireproof cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620321695.8U CN205645370U (en) 2016-04-15 2016-04-15 Medium voltage fireproof cable

Publications (1)

Publication Number Publication Date
CN205645370U true CN205645370U (en) 2016-10-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620321695.8U Active CN205645370U (en) 2016-04-15 2016-04-15 Medium voltage fireproof cable

Country Status (1)

Country Link
CN (1) CN205645370U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112447323A (en) * 2019-08-27 2021-03-05 江苏亨通电力电缆有限公司 Medium-voltage fireproof power cable and manufacturing process thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112447323A (en) * 2019-08-27 2021-03-05 江苏亨通电力电缆有限公司 Medium-voltage fireproof power cable and manufacturing process thereof

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