CN208903738U - A kind of high fire-retardance fireproof power cable - Google Patents
A kind of high fire-retardance fireproof power cable Download PDFInfo
- Publication number
- CN208903738U CN208903738U CN201821767118.7U CN201821767118U CN208903738U CN 208903738 U CN208903738 U CN 208903738U CN 201821767118 U CN201821767118 U CN 201821767118U CN 208903738 U CN208903738 U CN 208903738U
- Authority
- CN
- China
- Prior art keywords
- layer
- cable
- oversheath
- coated
- flame retardant
- 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.)
- Expired - Fee Related
Links
- 239000003063 flame retardant Substances 0.000 claims abstract description 38
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000000576 coating method Methods 0.000 claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 239000011819 refractory material Substances 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 68
- 239000000779 smoke Substances 0.000 claims description 21
- 229920000098 polyolefin Polymers 0.000 claims description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 6
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 4
- 235000008429 bread Nutrition 0.000 claims description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000003500 flue dust Substances 0.000 abstract description 3
- 230000000505 pernicious effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a kind of high fire-retardance fireproof power cables, including cable body, the outer surface of cable body is coated with oversheath, and oversheath includes insulating layer, insulating layer is coated with flame retardant coating far from the side of oversheath, and flame retardant coating is coated with insulation screen far from the side of insulating layer.The utility model passes through cable body, oversheath, filled layer, the setting of metal screen layer and cable core, increase filled layer, the tensile property of cable is effectively promoted, it is being internally provided with multiple refractory material simultaneously, further improve power cable flame-retardant performance, it ensure that safety when cable uses, cable is anti-in the case of fire prolongs combustion, self-gravitation, no pernicious gas release, and the flue dust generated when burning is few, it meets environmental requirements, it is bad to solve flame-retardant performance when in use simultaneously, a large amount of dense smokes can be generated when burning, it is unfavorable for the evacuation of personnel, not the problem of not can guarantee safety when cable uses.
Description
Technical field
The utility model relates to field of cable technology, specially a kind of high fire-retardance fireproof power cable.
Background technique
With the development of society, the progress of science and technology, numerous power plant, metallurgy, oil play are sent out to large-scale grouping of the world economy direction
Exhibition, skyscraper, public entertainment place, subway and underground street etc. continue to bring out, and electricity consumption is growing day by day, wire and cable
Not only can transmission & distribution electric energy, transmitting information, but also be " blasting fuse " easy to cause fire, currently, the fire-resisting cable used on the market still with
Based on traditional two or more layers mica tape overlapping around-packing technology, the structure and common plastics cable of fire-resisting cable are most important not
It is exactly that flame retardant coating is increased between its conductor and insulating layer with point, usual flame retardant coating is formed by Mica tape, followed by
Mineral insulated cable, mineral insulated cable have excellent fire resistance, since magnesium oxide mineral insulation cable needs are special
Manufacturing and processing equipment, and external sheath layer is full copper, cost is higher, is somewhat limited in terms of practical application, one
As the power cable that uses flame-retardant performance is bad when in use, a large amount of dense smokes can be generated when burning, are unfavorable for personnel
Evacuation, not can guarantee cable use when safety.
Utility model content
The purpose of this utility model is to provide a kind of high fire-retardance fireproof power cable, have good excellent of flame-retardant performance
Point, solves when in use that flame-retardant performance is bad, and a large amount of dense smokes can be generated when burning, are unfavorable for the evacuation of personnel,
Not the problem of not can guarantee safety when cable uses.
To achieve the above object, the utility model provides the following technical solutions: a kind of high fire-retardance fireproof power cable, including
Cable body, the outer surface of the cable body are coated with oversheath, and the oversheath includes insulating layer, and the insulating layer is separate
The side of oversheath is coated with flame retardant coating, and the flame retardant coating is coated with insulation screen, the insulation far from the side of insulating layer
Shielded layer is coated with inner sheath far from the side of flame retardant coating, and filled layer, the filled layer packet are coated on the inside of the oversheath
Include oxygen barrier layer, the oxygen barrier layer is provided with low-smoke and halogen-free flame retardant polyolefin jacket layer far from the side of filled layer, the low cigarette without
Halogen flame retardant polyolefin sheath is provided with glass fiber belt around the cladding far from the side of oxygen barrier layer, and the filled layer is far from oversheath
Side be coated with metal screen layer, the inside of the metal screen layer is enclosed with cable core.
Preferably, the cable core is drawn by oxygen-free copper bar material.
Preferably, the cable core is set as multiply, is twisted by multiple insulated wire cores, and the surface packet of multiple cores
It is wrapped with protective layer, and protective layer is located at the inside of metal screen layer.
Preferably, the flame retardant coating is made of ceramic low-smoke halogen-free polyolefin refractory material.
Preferably, the oversheath is made of low-smoke halogen-free polyolefin material.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model passes through the setting of cable body, oversheath, filled layer, metal screen layer and cable core, increases
Filled layer, is effectively promoted the tensile property of cable, while being internally provided with multiple refractory material, further mentions
Power cable flame-retardant performance has been risen, ensure that safety when cable uses, cable is anti-in the case of fire prolongs combustion, self-extinguishment
It goes out, no pernicious gas release, and the flue dust generated when burning is few, meets environmental requirements, while solving fire-retardant resistance to when in use
Fiery performance is bad, and a large amount of dense smokes can be generated when burning, and is unfavorable for the evacuation of personnel, not can guarantee safety when cable uses
The problem of.
2, flame retardant coating is made by using ceramic low-smoke halogen-free polyolefin refractory material in the utility model, and is equipped with oxygen barrier
Layer, the effective fire resistance for improving power cable, certain integrality is still ensured that in cable fire, while oversheath is adopted
It is made of low-smoke halogen-free polyolefin material, in the case of fire, when cable fire will not discharge corrosive gas and dense smoke, favorably
Fleeing from and rescuing in personnel.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model oversheath internal structure cross-sectional view；
Fig. 3 is the utility model filled layer internal structure cross-sectional view.
In figure: 1 cable body, 2 oversheaths, 21 insulating layers, 22 flame retardant coatings, 23 insulation screens, 24 inner sheaths, 3 fillings
Layer, 31 oxygen barrier layers, 32 low-smoke and halogen-free flame retardant polyolefin jacket layers, 33 glass fiber belt around the claddings, 4 metal screen layers, 5 cables
Core.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, a kind of high fire-retardance fireproof power cable, including cable body 1, the appearance bread of cable body 1
It is covered with oversheath 2, oversheath 2 is made of low-smoke halogen-free polyolefin material, and oversheath 2 includes insulating layer 21, and insulating layer 21 is remote
Side from oversheath 2 is coated with flame retardant coating 22, and flame retardant coating 22 is made of ceramic low-smoke halogen-free polyolefin refractory material, leads to
It crosses and flame retardant coating 22 is made using ceramic low-smoke halogen-free polyolefin refractory material, and be equipped with oxygen barrier layer 31, effectively improve electric power
The fire resistance of cable still ensures that certain integrality in cable fire, while oversheath 2 uses low-smoke halogen-free polyolefin
Material is made, and in the case of fire, when cable fire will not discharge corrosive gas and dense smoke, is conducive to fleeing from and rescuing for personnel
Help, flame retardant coating 22 is coated with insulation screen 23 far from the side of insulating layer 21, insulation screen 23 far from flame retardant coating 22 one
Side is coated with inner sheath 24, and the inside of oversheath 2 is coated with filled layer 3, and filled layer 3 includes oxygen barrier layer 31, and oxygen barrier layer 31 is separate
The side of filled layer 3 is provided with low-smoke and halogen-free flame retardant polyolefin jacket layer 32, and low-smoke and halogen-free flame retardant polyolefin jacket layer 32 is separate
The side of oxygen barrier layer 31 is provided with glass fiber belt around the cladding 33, and filled layer 3 is coated with metallic shield far from the side of oversheath 2
Layer 4, the inside of metal screen layer 4 is enclosed with cable core 5, and cable core 5 is drawn by oxygen-free copper bar material, and cable core 5 is set as
Multiply is twisted by multiple insulated wire cores, and multiple cores are coated with protective layer, and protective layer is located at metal screen
The inside for covering layer 4 is increased and is filled out by the setting of cable body 1, oversheath 2, filled layer 3, metal screen layer 4 and cable core 5
Layer 3 is filled, the tensile property of cable is effectively promoted, while being internally provided with multiple refractory material, further is promoted
Power cable flame-retardant performance ensure that safety when cable uses, and cable is anti-in the case of fire prolongs combustion, self-extinguishment
It goes out, no pernicious gas release, and the flue dust generated when burning is few, meets environmental requirements, while solving fire-retardant resistance to when in use
Fiery performance is bad, and a large amount of dense smokes can be generated when burning, and is unfavorable for the evacuation of personnel, not can guarantee safety when cable uses
The problem of.
The standardized element arrived or material used in this specification can commercially, each portion in present specification
Part can carry out specific connection relationship and making material customized, between each material layer according to the record of the description and the appended drawings
It is the prior art, no longer makes specific narration herein.
In use, being effectively promoted by cable body 1, oversheath 2, filled layer 3, metal screen layer 4 and cable core 5
The tensile property of cable, while it being internally provided with multiple refractory material, further improve power cable flame-retardant
Performance ensure that safety when cable uses, flame retardant coating be made by using ceramic low-smoke halogen-free polyolefin refractory material
22, and be equipped with oxygen barrier layer 31, the effective fire resistance for improving power cable still ensures that certain complete in cable fire
Property, while oversheath 2 is made of low-smoke halogen-free polyolefin material, and in the case of fire, when cable fire will not discharge corrosion
Property gas and dense smoke, are conducive to fleeing from and rescuing for personnel.
In summary: the high fire-retardance fireproof power cable passes through cable body 1, oversheath 2, filled layer 3, metallic shield
The cooperation of layer 4 and cable core 5, solves when in use that flame-retardant performance is bad, a large amount of dense smokes can be generated when burning, no
Conducive to the evacuation of personnel, when not can guarantee cable use the problem of safety.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of high fire-retardance fireproof power cable, including cable body (1), it is characterised in that: the appearance of the cable body (1)
Bread is covered with oversheath (2), and the oversheath (2) includes insulating layer (21), and the one of the insulating layer (21) separate oversheath (2)
Side is coated with flame retardant coating (22), and the flame retardant coating (22) is coated with insulation screen (23), institute far from the side of insulating layer (21)
It states insulation screen (23) to be coated with inner sheath (24) far from the side of flame retardant coating (22), the inside cladding of the oversheath (2)
Have filled layer (3), the filled layer (3) includes oxygen barrier layer (31), and the oxygen barrier layer (31) is arranged far from the side of filled layer (3)
Have low-smoke and halogen-free flame retardant polyolefin jacket layer (32), the low-smoke and halogen-free flame retardant polyolefin jacket layer (32) is far from oxygen barrier layer (31)
Side be provided with glass fiber belt around the cladding (33), the filled layer (3) is coated with metal screen far from the side of oversheath (2)
It covers layer (4), the inside of the metal screen layer (4) is enclosed with cable core (5).
2. a kind of high fire-retardance fireproof power cable according to claim 1, it is characterised in that: the cable core (5) is by nothing
Oxygen copper bar material is drawn.
3. a kind of high fire-retardance fireproof power cable according to claim 1, it is characterised in that: the cable core (5) is set as
Multiply is twisted by multiple insulated wire cores, and multiple cores are coated with protective layer, and protective layer is located at metal screen
Cover the inside of layer (4).
4. a kind of high fire-retardance fireproof power cable according to claim 1, it is characterised in that: the flame retardant coating (22) uses
Ceramic low-smoke halogen-free polyolefin refractory material is made.
5. a kind of high fire-retardance fireproof power cable according to claim 1, it is characterised in that: the oversheath (2) uses
Low-smoke halogen-free polyolefin material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821767118.7U CN208903738U (en) | 2018-10-30 | 2018-10-30 | A kind of high fire-retardance fireproof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821767118.7U CN208903738U (en) | 2018-10-30 | 2018-10-30 | A kind of high fire-retardance fireproof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208903738U true CN208903738U (en) | 2019-05-24 |
Family
ID=66577120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821767118.7U Expired - Fee Related CN208903738U (en) | 2018-10-30 | 2018-10-30 | A kind of high fire-retardance fireproof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208903738U (en) |
-
2018
- 2018-10-30 CN CN201821767118.7U patent/CN208903738U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 |