CN207966564U - A kind of engineering presses fire proof power cable in - Google Patents
A kind of engineering presses fire proof power cable in Download PDFInfo
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- CN207966564U CN207966564U CN201820531715.3U CN201820531715U CN207966564U CN 207966564 U CN207966564 U CN 207966564U CN 201820531715 U CN201820531715 U CN 201820531715U CN 207966564 U CN207966564 U CN 207966564U
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- fire
- flame
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- retardant
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- 239000003063 flame retardant Substances 0.000 claims abstract description 41
- 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 31
- 239000000843 powder Substances 0.000 claims abstract description 28
- 229920001971 elastomer Polymers 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 239000011490 mineral wool Substances 0.000 claims abstract description 19
- 230000002265 prevention Effects 0.000 claims abstract description 17
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920000098 polyolefin Polymers 0.000 claims abstract description 13
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 8
- 239000011707 mineral Substances 0.000 claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000004411 aluminium Substances 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000004078 waterproofing Methods 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 239000010445 mica Substances 0.000 claims description 11
- 229910052618 mica group Inorganic materials 0.000 claims description 11
- 239000005030 aluminium foil Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000011889 copper foil Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 100
- 230000005540 biological transmission Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000004079 fireproofing Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910000039 hydrogen halide Inorganic materials 0.000 description 1
- 239000012433 hydrogen halide Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000005439 thermosphere Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model is related to field of cables more particularly to a kind of engineering, and fire proof power cable is pressed in.Its technical solution is：A kind of engineering presses fire proof power cable, including several conductors in, and mineral insulation, shielded layer, sheath are enclosed with successively from inside to outside on conductor；Further include the flame-retardant layer, aluminium sheath, outer jacket set gradually from inside to outside, several conductors, several mineral insulations, several shielded layers, several sheaths are sheathed in flame-retardant layer, and water-proofing powder is filled between sheath and flame-retardant layer；Flame-retardant layer includes the carbon composite layer set gradually from inside to outside, magnesia flame-retardant layer, outer mineral wool rope, crosslinked polyolefin layer, and filled with fire prevention rubber powder between outer mineral wool rope and crosslinked polyolefin layer, outer jacket surface is coated with fire prevention rubber powder.The utility model provide it is a kind of can effectively fire-retardant engineering fire proof power cable is pressed in, solve the problems, such as that existing power cable is fire-retardant using single method and flame retardant effect is poor.
Description
Technical field
The utility model is related to field of cables more particularly to a kind of engineering, and fire proof power cable is pressed in.
Background technology
Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station
Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line.In power circuit, cable proportion just gradually increases
Add.Power cable is in the basic routing line of electric system transmitting and distribute the cable product of high-power power, including 1-
500KV and any of the above voltage class, the power cable of various insulation.
The basic structure of power cable is made of core (conductor), insulating layer, shielded layer and four part of protective layer.Core is
The current-carrying part of power cable is the major part of power cable for conveying electric energy.Insulating layer be by core with the earth and
It is being electrically isolated from each other between out of phase core, is ensureing electrical energy transportation, be indispensable composition portion in power cable structure
Point.The power cable of 15KV or more generally has conductor shield and insulation screen.The effect of protective layer is protection electric power
Cable and prevents external force from directly damaging power cable from the intrusion of introduced contaminants and moisture.
There is also ablaze risks for cable, this brings prodigious security risk to circuit.Cable is under burning condition
Still it is the project that current cable industry is actively studied that the normal work of the circuit for a period of time, which can be maintained,.Generally
It is that, just in case catching fire, cable once will not just burn, and circuit is safer.Though existing flame retardant cable can play certain effect,
But fire resisting is ineffective, when fire is greater, is still unable to reach the function of fire resisting.Single flame-retardant layer can not ensure the resistance to of cable
Fiery effect, complicated laying environmental requirement cable have stronger refractory ability, and therefore, the fire-resisting cable of comprehensive improvement just can guarantee
Cable adapts to adverse circumstances.Currently, the method that flame-retardant electric wire and cable generally uses is exactly to add to contain halogen in sheath material
Halide and metal oxide, evaluated from fire-retardant angle, this is fabulous method, still, due to containing in these materials
There is halide, discharges a large amount of smog and hydrogen halide in burning, so, the peace of personnel is given in low visibility when fire
Full evacuation and fire hose carry out prodigious obstruction, and people then more dies of asphyxiation for toxic gas.
Utility model content
The utility model overcomes the deficiencies in the prior art, provide it is a kind of can effectively fire-retardant engineering use in pressure fire prevention electric power
Cable solves the problems, such as that existing power cable is fire-retardant using single method and flame retardant effect is poor.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of engineering presses fire proof power cable, including several conductors in, and mineral are enclosed with successively from inside to outside on conductor
Insulating layer, shielded layer, sheath；Further include the flame-retardant layer, aluminium sheath, outer jacket set gradually from inside to outside, if several conductors,
Dry mineral insulation, several shielded layers, several sheaths are sheathed in flame-retardant layer, filled with resistance between sheath and flame-retardant layer
Pigment；Flame-retardant layer includes the carbon composite layer set gradually from inside to outside, magnesia flame-retardant layer, outer mineral wool rope, crosslinked polyolefin layer,
Filled with fire prevention rubber powder between outer mineral wool rope and crosslinked polyolefin layer, outer jacket surface is coated with fire prevention rubber powder.
As the preferred embodiment of the utility model, the fire prevention rubber powder is expansion fire-proof rubber powder, the painting of epoxy cable fire-proof
One kind in material, fire retardant coating of aquosity cable.
As the preferred embodiment of the utility model, the sheath include the interior damp-proof layer set gradually from inside to outside, every
Thermosphere, interior damp-proof layer include the nonwoven layer set gradually from inside to outside, interior mica tape, and thermal insulation layer includes setting successively from inside to outside
Aeroge carpet veneer, interior mineral wool rope, the Ceramic silicon rubber twining package tape set.
As the preferred embodiment of the utility model, the outer jacket includes the outer damp-proof layer set gradually from inside to outside, outer
Sheath, outer damp-proof layer include outer mica tape, the glass layer set gradually from inside to outside.
As the preferred embodiment of the utility model, the shielded layer includes copper foil layer, the aluminium foil layer by being arranged inside and outside.
Compared with prior art, the utility model has the beneficial effects that：
1, the utility model flame-retardant layer includes carbon composite layer, magnesia flame-retardant layer, outer mineral wool rope, crosslinked polyolefin layer, is led to
Four layers of different types of fire proofing are crossed, the sprawling situation of different type comburant burning, the comprehensive resistance for improving cable are can avoid
Fuel efficiency fruit.Also, fireproof gum is coated with filled with fire prevention rubber powder, outer jacket surface between outer mineral wool rope and crosslinked polyolefin layer
Powder, fire prevention rubber powder, which meets fire, can expand to form fine and close cellular layer of charcoal, play the role of fire-proof and thermal-insulation, to effective protection base
Material.By using fire proofing and expansion isolation coating two ways so that the flame retardant effect of cable greatly improves, and ensure that electricity
Power cable remains to normal transmission in fire behavior.
2, any one of expansion fire-proof rubber powder, epoxy cable fire-refractory coating, fire retardant coating of aquosity cable can rise
To the effect for meeting fire expansion, to prevent fires, rubber powder can rapidly be expanded in fire behavior, effectively completely cut off the intensity of a fire, avoided the intensity of a fire in electricity
Cable vertical spread.
3, the interior damp-proof layer being collectively formed by nonwoven layer and interior mica tape can effectively completely cut off moisture, and moisture intrusion is avoided to lead
Body ensures cable power transmission safety.The thermal insulation layer formed by aeroge carpet veneer, interior mineral wool rope, Ceramic silicon rubber twining package tape can have
Imitate it is heat-insulated, avoid external high temperature melt cable the case where, avoid cable internal layer from being denaturalized at high temperature.
4, the outer damp-proof layer that outer mica tape and glass layer are formed can stop that moisture enters inside cable, avoid cable by
Cargo sweat or electric leakage.Oversheath plays protective action to cable, reduces the damage of cable internal layer.
5, shielded layer is collectively formed in copper foil layer and aluminium foil layer so that electric wire has best shield effectiveness.Shielded layer and quilt
The conductor equipotential of shielding, and well contacted with insulating layer, to avoid that shelf depreciation occurs between conductor and insulating layer.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the part-structure figure of the utility model.
In figure, 1- conductors, 2- mineral insulations, 3- shielded layers, 4- sheaths, 5- flame-retardant layers, 6- aluminium sheaths protect outside 7-
Layer, 8- water-proofing powders, 31- copper foil layers, 32- aluminium foil layers, damp-proof layer in 41-, 42- thermal insulation layers, 51- carbon composite layers, the resistance of 52- magnesia
Fire layer, the outer mineral wool ropes of 53-, 54- crosslinked polyolefin layers, the outer damp-proof layers of 71-, 72- oversheaths, 411- nonwoven layers, cloud in 412-
Master tape, 421- aeroge carpet veneers, mineral wool rope in 422-, 423- Ceramic silicon rubber twining package tapes, the outer mica tapes of 711-, 712- glass
Fibrous layer.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
Embodiment one
A kind of engineering presses fire proof power cable, including several conductors 1 in, and mine is enclosed with successively from inside to outside on conductor 1
Object insulating layer 2, shielded layer 3, sheath 4；Further include the flame-retardant layer 5, aluminium sheath 6, outer jacket 7 set gradually from inside to outside, if
Dry conductor 1, several mineral insulations 2, several shielded layers 3, several sheaths 4 are sheathed in flame-retardant layer 5, sheath 4 and resistance
It is filled with water-proofing powder 8 between combustion layer 5；Flame-retardant layer 5 includes carbon composite layer 51, the magnesia flame-retardant layer set gradually from inside to outside
52, outer mineral wool rope 53, crosslinked polyolefin layer 54, filled with fire prevention rubber powder between outer mineral wool rope 53 and crosslinked polyolefin layer 54, outside
7 surface of sheath is coated with fire prevention rubber powder.
The utility model flame-retardant layer 5 includes carbon composite layer 51, magnesia flame-retardant layer 52, outer mineral wool rope 53, cross-linked polyolefin
Layer 53 can avoid the sprawling situation of different type comburant burning by four layers of different types of fire proofing, comprehensive to improve electricity
The flame retardant effect of cable.Also, it is applied filled with fire prevention rubber powder, 7 surface of outer jacket between outer mineral wool rope 53 and crosslinked polyolefin layer 54
It is covered with fire prevention rubber powder, fire prevention rubber powder, which meets fire, can expand to form fine and close cellular layer of charcoal, play the role of fire-proof and thermal-insulation, to have
Effect protection base material.By using fire proofing and expansion isolation coating two ways so that the flame retardant effect of cable greatly improves,
It ensure that power cable remains to normal transmission in fire behavior.
Embodiment two
On the basis of embodiment one, the fire prevention rubber powder is expansion fire-proof rubber powder, epoxy cable fire-refractory coating, aqueous
One kind in cable fire-refractory coating.
Any one of expansion fire-proof rubber powder, epoxy cable fire-refractory coating, fire retardant coating of aquosity cable can play
The effect of fire expansion is met, rubber powder can rapidly be expanded in fire behavior to prevent fires, and effectively completely cut off the intensity of a fire, avoided the intensity of a fire in cable
Vertical spread.
Embodiment three
On the basis of embodiment one or embodiment two, the sheath 4 is interior moisture-proof including setting gradually from inside to outside
Layer 41, thermal insulation layer 42, interior damp-proof layer 41 include the nonwoven layer 411 set gradually from inside to outside, interior mica tape 412, thermal insulation layer
42 include aeroge carpet veneer 421, interior mineral wool rope 422, the Ceramic silicon rubber twining package tape 423 set gradually from inside to outside.
The interior damp-proof layer 41 being collectively formed by nonwoven layer 411 and interior mica tape 412 can effectively completely cut off moisture, avoid moisture
Conductor 1 is invaded, ensures cable power transmission safety.By aeroge carpet veneer 421, interior mineral wool rope 422, Ceramic silicon rubber twining package tape 423
The thermal insulation layer 42 of formation can effectively it is heat-insulated, avoid external high temperature melt cable the case where, avoid cable internal layer from being denaturalized at high temperature.
Example IV
On the basis of above-mentioned any one embodiment, the outer jacket 7 is outer moisture-proof including setting gradually from inside to outside
Layer 71, oversheath 72, outer damp-proof layer 71 include outer mica tape 711, the glass layer 712 set gradually from inside to outside.
The outer damp-proof layer 71 that outer mica tape 711 and glass layer 712 are formed can stop that moisture enters inside cable, avoids
Cable is by cargo sweat or electric leakage.Oversheath 72 plays protective action to cable, reduces the damage of cable internal layer.
Embodiment five
On the basis of above-mentioned any one embodiment, the shielded layer 3 includes copper foil layer 31, the aluminium foil by being arranged inside and outside
Layer 32.
Shielded layer is collectively formed in copper foil layer 31 and aluminium foil layer 32 so that electric wire has best shield effectiveness.Shielded layer 3 with
1 equipotential of shielded conductor, and well contacted with insulating layer 2, to avoid that part occurs between conductor 1 and insulating layer 2
Electric discharge.
Claims (5)
1. a kind of engineering presses fire proof power cable in, which is characterized in that including several conductors (1), on conductor (1) from inside to outside
It is enclosed with mineral insulation (2), shielded layer (3), sheath (4) successively；It further include the flame-retardant layer set gradually from inside to outside
(5), aluminium sheath (6), outer jacket (7), several conductors (1), several mineral insulations (2), several shielded layers (3), several interior shields
Layer (4) is sheathed in flame-retardant layer (5), and water-proofing powder (8) is filled between sheath (4) and flame-retardant layer (5)；Flame-retardant layer (5) wraps
Include the carbon composite layer (51) set gradually from inside to outside, magnesia flame-retardant layer (52), outer mineral wool rope (53), crosslinked polyolefin layer
(54), between outer mineral wool rope (53) and crosslinked polyolefin layer (54) fire prevention is coated with filled with fire prevention rubber powder, outer jacket (7) surface
Rubber powder.
2. a kind of engineering according to claim 1 presses fire proof power cable in, which is characterized in that the fire prevention rubber powder is
One kind in expansion fire-proof rubber powder, epoxy cable fire-refractory coating, fire retardant coating of aquosity cable.
3. a kind of engineering according to claim 1 presses fire proof power cable in, which is characterized in that the sheath (4)
Including interior damp-proof layer (41), the thermal insulation layer (42) set gradually from inside to outside, interior damp-proof layer (41) includes setting successively from inside to outside
The nonwoven layer (411) set, interior mica tape (412), thermal insulation layer (42) includes the aeroge carpet veneer set gradually from inside to outside
(421), interior mineral wool rope (422), Ceramic silicon rubber twining package tape (423).
4. a kind of engineering according to claim 1 presses fire proof power cable in, which is characterized in that the outer jacket (7)
Including outer damp-proof layer (71), the oversheath (72) set gradually from inside to outside, outer damp-proof layer (71) includes setting successively from inside to outside
Outer mica tape (711), the glass layer (712) set.
5. a kind of engineering according to Claims 1 to 4 any one presses fire proof power cable in, which is characterized in that institute
It includes copper foil layer (31), the aluminium foil layer (32) by being arranged inside and outside to state shielded layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820531715.3U CN207966564U (en) | 2018-04-13 | 2018-04-13 | A kind of engineering presses fire proof power cable in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820531715.3U CN207966564U (en) | 2018-04-13 | 2018-04-13 | A kind of engineering presses fire proof power cable in |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207966564U true CN207966564U (en) | 2018-10-12 |
Family
ID=63728003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820531715.3U Expired - Fee Related CN207966564U (en) | 2018-04-13 | 2018-04-13 | A kind of engineering presses fire proof power cable in |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207966564U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509577A (en) * | 2018-11-16 | 2019-03-22 | 安徽宏源特种电缆股份有限公司 | Resistance to 1000 DEG C of high temperature wires of microlight-type and preparation method thereof and production equipment |
| CN110828034A (en) * | 2019-11-15 | 2020-02-21 | 安徽省飞翔特种电缆有限公司 | Coke pusher is able to bear or endure high temperature travelling cable |
| CN112133481A (en) * | 2020-10-27 | 2020-12-25 | 安徽上缆仪表集团股份有限公司 | Special fire-fighting dual-flame-retardant power cable |
| CN112700921A (en) * | 2020-12-21 | 2021-04-23 | 欧耐特线缆集团有限公司 | Insulating explosion-proof fireproof cable and explosion-proof fireproof method thereof |
-
2018
- 2018-04-13 CN CN201820531715.3U patent/CN207966564U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509577A (en) * | 2018-11-16 | 2019-03-22 | 安徽宏源特种电缆股份有限公司 | Resistance to 1000 DEG C of high temperature wires of microlight-type and preparation method thereof and production equipment |
| CN110828034A (en) * | 2019-11-15 | 2020-02-21 | 安徽省飞翔特种电缆有限公司 | Coke pusher is able to bear or endure high temperature travelling cable |
| CN112133481A (en) * | 2020-10-27 | 2020-12-25 | 安徽上缆仪表集团股份有限公司 | Special fire-fighting dual-flame-retardant power cable |
| CN112700921A (en) * | 2020-12-21 | 2021-04-23 | 欧耐特线缆集团有限公司 | Insulating explosion-proof fireproof cable and explosion-proof fireproof method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 |