CN208908157U - The novel oxygen barrier insulating refractory midium voltage cable of isolation - Google Patents

The novel oxygen barrier insulating refractory midium voltage cable of isolation Download PDF

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Publication number
CN208908157U
CN208908157U CN201822048006.2U CN201822048006U CN208908157U CN 208908157 U CN208908157 U CN 208908157U CN 201822048006 U CN201822048006 U CN 201822048006U CN 208908157 U CN208908157 U CN 208908157U
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Prior art keywords
winding
layer
oxygen barrier
fire
conductor
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CN201822048006.2U
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Chinese (zh)
Inventor
陈义军
费尤战
房忠军
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JIANGSU JIANGYANG CABLE CO Ltd
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JIANGSU JIANGYANG CABLE CO Ltd
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Abstract

The utility model relates to a kind of novel oxygen barrier insulating refractory midium voltage cables of isolation.Including conductor (1), the outer winding insulation of the conductor (1) and shielding form cable core, the outer winding fire resisting separation layer (8) of several cable cores, outer winding fire prevention oxygen barrier layer (9) of fire resisting separation layer (8), the outer winding back-fire relief thermal insulation layer (10) of fire prevention oxygen barrier layer (9), the outer winding steel-tape armouring layer (11) of thermal insulation layer (10), the outer winding low smoke and zero halogen outer jacket (12) of steel-tape armouring layer (11).The utility model processing performance is excellent to be compared with previous fire-proof medium-voltage cable, is reduced production cost, is improved production efficiency, fire resistance is also greatly improved.

Description

The novel oxygen barrier insulating refractory midium voltage cable of isolation
Technical field
The utility model relates to a kind of novel oxygen barrier insulating refractory midium voltage cables of isolation, belong to field of cable technology.
Background technique
With the development of skyscraper with the raising of fire-protection rating and the reinforcement of people's awareness of safety, middle pressure fire-resisting cable answered It transports and gives birth to, and demand is increasing sharply, but there is no unified production specification, national wire and cable quality currently on the market The technical specification of the issued midium voltage cable of Supervision Test Center.Recently before, middle pressure fire-resisting cable flame retardant coating is mainly using pottery Porcelain SiClx rubber makees fire resisting fireprotection layer, and production efficiency is low, material construction is high.
Utility model content
The utility model in view of the foregoing drawbacks, purpose regard for oneself with provide it is a kind of with very good mechanical properties and electric property A kind of oxygen barrier insulating refractory midium voltage cable of novel isolation.
The technical solution adopted in the utility model is thus: the novel oxygen barrier insulating refractory midium voltage cable of isolation, including conductor (1), the outer winding insulation of the conductor (1) and shielding form cable core, and the outer winding fire resisting separation layer (8) of several cable cores is described Fire resisting separation layer (8) outer winding fire prevention oxygen barrier layer (9), the outer winding back-fire relief thermal insulation layer (10) of fire prevention oxygen barrier layer (9), it is described every The outer winding steel-tape armouring layer (11) of thermosphere (10), the outer winding low smoke and zero halogen outer jacket (12) of steel-tape armouring layer (11).
Conductor (1) surface is overlapped wrapped formation core with semi-conductive tape (2).
The outer winding conductor shielding (3) of several cores, the outer winding XLPE insulation (4) of conductor shielding (3) are described The outer winding insulation shielding (5) of XLPE insulation, the outer winding copper strip shielding (6) of insulation shielding (5).
Setting filling (7) between several cable cores.
The utility model has the advantages that: processing performance is excellent to be compared with previous fire-proof medium-voltage cable, is reduced and is produced into This, improves production efficiency, fire resistance is also greatly improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
1, conductor 2 in figure, semi-conductive tape 3, conductor shielding 4, XLPE insulation 5, insulation shielding 6, copper strip shielding 7, filling, 8, Fire resisting separation layer 9, fire prevention oxygen barrier layer 10, back-fire relief thermal insulation layer 11, steel-tape armouring 12, low smoke and zero halogen outer jacket.
Specific embodiment
The novel oxygen barrier insulating refractory midium voltage cable of isolation, including conductor 1, the conductor 1 outer winding insulation and shielding are formed Cable core, the outer winding fire resisting separation layer 8 of several cable cores, the fire resisting separation layer 8 outer winding fire prevention oxygen barrier layer 9, the fire prevention The outer winding back-fire relief thermal insulation layer 10 of oxygen barrier layer 9, the outer winding steel-tape armouring layer 11 of the thermal insulation layer 10, the steel-tape armouring layer 11 it is outer around If low smoke and zero halogen outer jacket 12.
The 1 surface semi-conductive tape 2 of conductor is overlapped wrapped formation core.
The outer winding conductor shielding 3 of several cores, the conductor shielding 3 outer winding XLPE insulation 4, the XLPE insulation Outer winding insulation shielding 5, the outer winding copper strip shielding 6 of the insulation shielding 5.
Setting filling 7 between several cable cores.
Further explanation is made to the utility model below, more preferably to understand the utility model:
The utility model uses the conductor 1 for meeting GB/T 3956-2008 requirement;1 surface of conductor can be made with semi-conductive tape 2 It is overlapped wrapped;Semiconductive conductor shielding 3, crosslinked polyetylene insulated 4, semi-conductive insulation shield 5, copper strip shielding 6, three-core cable at Using glass cord filling 7 when cable, wrapped mineral fire resisting separation layer 8, ceramic fireproof band make fire resisting separation layer 8, squeeze The low oxygen barrier layered material of smog Halogen is wrapped, outer wrapped ceramic fireproof fire guard forms fire prevention oxygen barrier layer 9, extrudes one layer of ceramic Polyolefin makees back-fire relief thermal insulation layer 10.Wrapped steel-tape armouring layer 11 extrudes low smoke and zero halogen outer jacket 12.
Since the cable uses fire resisting separation layer 8, fire prevention 10 3 layers of fire-proof and thermal-insulation work of oxygen barrier layer 9 and back-fire relief thermal insulation layer Skill, to effectively prevent influence of the propagation of flame to insulated wire cores, it is ensured that in the case where the danger such as fire, still make electricity Line of force road is safely operated within a certain period of time, to ensure the life of the people, life and wealth to a large extent Produce safety.
The utility model: 2. ceramic low-smoke halogen-free polyolefins have excellent machinery and electric property, dielectric under room temperature Intensity >=25kV/mm, volume resistivity >=1.0 × 1014Ω cm has and the hardness of electric cable material with low smoke and halogen free ad eundem, resistance to Mill, tear resistance;Price is more economical, and using common cable material of polyolefin process equipment, one-pass molding, simple process can connect Continuous production, compares Ceramic silicon rubber, does not need reheating or steam vulcanization (cure), and energy consumption is smaller, and technological operation is simpler, production Cost is lower;Excellent safety and the feature of environmental protection: it is low smoke and zero halogen, heavy metal free, non-toxic and tasteless, meet ROHS standard requirements;
High fire resistance rating: meet GB/T 19216, the CWZ highest fire resistance rating of BS6387, IEC 60331, GA306.2 mark It is quasi-.

Claims (4)

1. the novel oxygen barrier insulating refractory midium voltage cable of isolation, which is characterized in that including conductor (1), the outer winding of the conductor (1) is exhausted Edge and shielding form cable core, the outer winding fire resisting separation layer (8) of several cable cores, the outer winding fire prevention of fire resisting separation layer (8) Oxygen barrier layer (9), the outer winding back-fire relief thermal insulation layer (10) of fire prevention oxygen barrier layer (9), the outer winding steel-tape armouring of thermal insulation layer (10) Layer (11), the outer winding low smoke and zero halogen outer jacket (12) of steel-tape armouring layer (11).
2. the oxygen barrier insulating refractory midium voltage cable of novel isolation according to claim 1, which is characterized in that the conductor (1) Surface is overlapped wrapped formation core with semi-conductive tape (2).
3. the oxygen barrier insulating refractory midium voltage cable of novel isolation according to claim 2, which is characterized in that several cores Outer winding conductor shielding (3), the outer winding XLPE insulation (4) of conductor shielding (3), the outer winding insulation shielding of the XLPE insulation (5), the outer winding copper strip shielding (6) of the insulation shielding (5).
4. the oxygen barrier insulating refractory midium voltage cable of novel isolation according to claim 1, which is characterized in that between several cable cores Setting filling (7).
CN201822048006.2U 2018-12-07 2018-12-07 The novel oxygen barrier insulating refractory midium voltage cable of isolation Active CN208908157U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822048006.2U CN208908157U (en) 2018-12-07 2018-12-07 The novel oxygen barrier insulating refractory midium voltage cable of isolation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822048006.2U CN208908157U (en) 2018-12-07 2018-12-07 The novel oxygen barrier insulating refractory midium voltage cable of isolation

Publications (1)

Publication Number Publication Date
CN208908157U true CN208908157U (en) 2019-05-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822048006.2U Active CN208908157U (en) 2018-12-07 2018-12-07 The novel oxygen barrier insulating refractory midium voltage cable of isolation

Country Status (1)

Country Link
CN (1) CN208908157U (en)

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