CN110406190A - A kind of fire-proof and thermal-insulation blanket, cable, cable connector and cable laying structure - Google Patents
A kind of fire-proof and thermal-insulation blanket, cable, cable connector and cable laying structure Download PDFInfo
- Publication number
- CN110406190A CN110406190A CN201910729033.2A CN201910729033A CN110406190A CN 110406190 A CN110406190 A CN 110406190A CN 201910729033 A CN201910729033 A CN 201910729033A CN 110406190 A CN110406190 A CN 110406190A
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- cable
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- thermal
- cavity
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Links
- 238000009413 insulation Methods 0.000 title claims abstract description 134
- 239000000843 powder Substances 0.000 claims abstract description 59
- 208000002925 dental caries Diseases 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 28
- 239000000919 ceramic Substances 0.000 claims description 22
- 239000004744 fabric Substances 0.000 claims description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 11
- 239000004964 aerogel Substances 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 9
- 229920002379 silicone rubber Polymers 0.000 claims description 8
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 5
- 238000004079 fireproofing Methods 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- ZRIUUUJAJJNDSS-UHFFFAOYSA-N ammonium phosphates Chemical compound [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=O ZRIUUUJAJJNDSS-UHFFFAOYSA-N 0.000 claims description 3
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000391 magnesium silicate Substances 0.000 claims description 3
- 229910052919 magnesium silicate Inorganic materials 0.000 claims description 3
- 235000019792 magnesium silicate Nutrition 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 235000002639 sodium chloride Nutrition 0.000 claims description 2
- VHCQVGQULWFQTM-VOTSOKGWSA-N Rubone Chemical compound COC1=CC(OC)=CC(O)=C1C(=O)\C=C\C1=CC(OC)=C(OC)C=C1OC VHCQVGQULWFQTM-VOTSOKGWSA-N 0.000 claims 1
- VHCQVGQULWFQTM-UHFFFAOYSA-N Rubone Natural products COC1=CC(OC)=CC(O)=C1C(=O)C=CC1=CC(OC)=C(OC)C=C1OC VHCQVGQULWFQTM-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 230000007480 spreading Effects 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 15
- 230000017525 heat dissipation Effects 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- -1 friction suede Substances 0.000 description 4
- 150000003254 radicals Chemical class 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000019771 cognition Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 238000009421 internal insulation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 239000005439 thermosphere Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/20—Layered products comprising a layer of natural or synthetic rubber comprising silicone rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Insulated Conductors (AREA)
Abstract
The present invention relates to security protection product technical fields, more particularly to a kind of fire-proof and thermal-insulation blanket, cable, cable connector and cable laying structure.The fire-proof and thermal-insulation blanket includes the first fireprotection layer, thermal insulation layer and the second fireprotection layer being cascading；It is equipped between multiple first cavitys and/or second fireprotection layer and thermal insulation layer between first fireprotection layer and thermal insulation layer and is equipped with multiple second cavitys；The opening of each first cavity is towards the opening of first fireprotection layer and/or each second cavity towards second fireprotection layer；Fire extinguishing powder is equipped at least part of first cavity and/or the second cavity.The heat-insulating, fire-preventing blanket fire-proof and thermal-insulation; it is coated on the outside of cable or cable connector, the probability of fire generation can be effectively reduced, can prevent fire from spreading to peripheral cable from a cable in the case of fire; heat insulation is excellent, can effective protection circuit inner structure when fire occurs.
Description
Technical field
The present invention relates to security protection product technical fields, more particularly to a kind of fire-proof and thermal-insulation blanket, cable, cable connector
And cable laying structure.
Background technique
Nowadays, electricity plays highly important role, electric power in the development and daily life of national economy
The normal operation of system is to realize the precondition and guarantee of social stability development.During cable laying, often there are a variety of electricity
The public cable duct of cable, also or cable runs the case where being installed together of cable intermediate joint and other operations, in reality
In the electricity transmission process of border, due to self-heating inside cable during high voltage power transmission, cable connector poor contact generates breakdown or electricity
Spark, or influenced by external open fire or high temperature, threatens to the normal work of cable, gently then occur short circuit,
Open circuit, it is heavy then fire disaster occurs.Insulated cable fire-proof function currently on the market is weaker, and cable intermediate joint is only done mostly
Water-proofing treatment is easy to happen fire when encountering external fire or cable internal breakdown, it is difficult to ensure that with the normal of ditch cable
The safety of work and neighboring area.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of fire-proof and thermal-insulation blankets and cable to spread
If structure, for solving the problems, such as that cable fire-proof fire resisting, heat-proof quality are poor in the prior art.
In order to achieve the above objects and other related objects, one aspect of the present invention provides a kind of fire-proof and thermal-insulation blanket, the fire prevention
Heat-insulation blanket includes the first fireprotection layer, thermal insulation layer and the second fireprotection layer being cascading；First fireprotection layer and thermal insulation layer
Between be equipped between multiple first cavitys and/or second fireprotection layer and thermal insulation layer be equipped with multiple second cavitys；Each described
The opening of one cavity is towards the opening of first fireprotection layer and/or each second cavity towards second fireprotection layer；Extremely
Fire extinguishing powder is equipped in least a portion of first cavity and/or the second cavity.
In certain embodiments of the present invention, the layer body that first fireprotection layer, thermal insulation layer and the second fireprotection layer are formed
It is closed by fire proofing material at edge.
In certain embodiments of the present invention, first fireprotection layer with a thickness of 0.2~2mm；
In certain embodiments of the present invention, second fireprotection layer with a thickness of 0.2~2mm；
In certain embodiments of the present invention, the thermal insulation layer with a thickness of 0.5~3cm；
In certain embodiments of the present invention, the volume of first cavity is 100cm3~1000cm3；
In certain embodiments of the present invention, the volume of second cavity is 100cm3~1000cm3；
In certain embodiments of the present invention, the number of the first cavity is 10~25 in unit area；
In certain embodiments of the present invention, the number of the second cavity is 10~25 in unit area；
In certain embodiments of the present invention, the first of fire extinguishing powder is filled between first fireprotection layer and thermal insulation layer
Second number of cavities of the number of cavities less than the filling fire extinguishing powder between the second fireprotection layer and thermal insulation layer；
In certain embodiments of the present invention, first cavity is the groove structure being distributed on thermal insulation layer；Described
Two cavitys are the groove structure being distributed on thermal insulation layer.
In certain embodiments of the present invention, first that fire extinguishing powder is filled between the first fireprotection layer and thermal insulation layer is empty
The sum that chamber accounts for the first cavity between the first fireprotection layer and thermal insulation layer is less than or equal to 30%；Between the second fireprotection layer and thermal insulation layer
Second cavity of filling fire extinguishing powder accounts for 70%~100% of the sum of the second cavity between the second fireprotection layer and thermal insulation layer.
In certain embodiments of the present invention, the material of first fireprotection layer and/or the second fireprotection layer is selected from ceramics
Change one of rubber glass Compound Fabric, high silicon oxygen glass-fiber-fabric, ceramic polyolefin or a variety of combinations；
In certain embodiments of the present invention, the material of the thermal insulation layer is selected from aerogel blanket, alumina silicate fibre, ceramics
One of fiber, magnesium silicate fiber, alumina fibre, tapetum fibrosum, heat-insulating powder or a variety of combinations.
In certain embodiments of the present invention, the material of the fire extinguishing powder is selected from ammonium phosphate salt, sodium bicarbonate, chlorination
One or more combinations of sodium, potassium chloride fire-extinguishing agent.
In certain embodiments of the present invention, the heat-insulating powder be selected from airsetting rubber powder, friction suede, aluminium oxide, silica,
One of silicate powder, sulfate powder or a variety of combinations.
In certain embodiments of the present invention, the material of first fireprotection layer and/or the second fireprotection layer is selected from ceramics
SiClx rubber glass Compound Fabric；The material of the thermal insulation layer is selected from aerogel blanket or airsetting rubber powder；The porosity of the aeroge
For 95-98%, aperture 20-70nm, Kong Rongwei 3.5ml/g.
Another aspect of the present invention provides a kind of cable, and the cable includes that cable body and at least one layer are as described herein
Fire-proof and thermal-insulation blanket, the fire-proof and thermal-insulation blanket is coated on the cable body periphery, and the cable body, which includes that cable is multiple, leads
Body and cable cover(ing), the multiple conductor outer cladding have insulating layer, filled with filling between the insulating layer and cable cover(ing)
Layer.
Another aspect of the present invention provides a kind of cable connector, and the cable includes cable connector ontology and at least one layer as originally
The invention fire-proof and thermal-insulation blanket, the cable connector is for connecting two adjacent cable bodies, and the cable connector position
Between cable body and fire-proof and thermal-insulation blanket.
Another aspect of the present invention provides a kind of cable laying structure, and the cable laying structure includes cable duct, the electricity
Cable ditch includes the ditch body with opening, and the side wall of the ditch body is equipped with multiple cable beareves, and each cable bearer is described
It is symmetrical arranged on the side wall of ditch body, and vertical with the side wall of the ditch body, the cable bearer is equipped with electricity of the present invention
Cable or cable connector of the present invention.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first embodiment of fire-proof and thermal-insulation blanket of the present invention.
Fig. 2 is the structural schematic diagram of second of embodiment of fire-proof and thermal-insulation blanket of the present invention.
Fig. 3 is the structural schematic diagram of cable of the present invention.
Fig. 4 is the structural schematic diagram of cable connector of the present invention.
Fig. 5 is cable laying structural schematic diagram in the present invention.
In figure:
1, cable
11, fire-proof and thermal-insulation blanket
111, the first fireprotection layer
112, thermal insulation layer
113, the second fireprotection layer
114, the first cavity
115, the second cavity
12, cable body
121, conductor
122, filler
123, insulating layer
124, cable cover(ing)
2, cable connector
21, cable connector ontology
3, cable duct
4, cable bearer
Specific embodiment
In the description of the present invention, it should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size
Deng, only to cooperate the revealed content of specification, for those skilled in the art understand and read, be not limited to
Enforceable qualifications of the present invention, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or
The adjustment of size should all still fall in institute of the present invention in the case where not influencing the effect of present invention can be generated and the purpose that can reach
The technology contents of announcement obtain in the range of capable of covering.Simultaneously term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this hair
Bright limitation.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
As shown in Fig. 1~2, first aspect present invention provides a kind of fire-proof and thermal-insulation blanket, and the fire-proof and thermal-insulation blanket includes successively
The first fireprotection layer 111, thermal insulation layer 112 and the second fireprotection layer 113 being stacked；First fireprotection layer 111 and thermal insulation layer 112
Between be equipped between multiple first cavitys 114 and/or second fireprotection layer 113 and thermal insulation layer 112 be equipped with multiple second cavitys
115；Opening of the opening of each first cavity 114 towards first fireprotection layer 111 and/or each second cavity 115
Towards second fireprotection layer 113；The opening direction of each first cavity 114 from 112 to the first fireprotection layer 111 of thermal insulation layer or
Second fireprotection layer 113 is gradually increased, and is equipped with fire fighting powder at least part of first cavity 114 and/or the second cavity 115
Body.The fire-proof and thermal-insulation blanket can be wrapped in outside cable or cable connector, described anti-in fire-proof and thermal-insulation blanket provided by the present invention
Fire bed can play fireproofing function to internal insulation material, can guarantee the integrality of structure, 112 good heat-insulation effect of thermal insulation layer,
Density is low, guarantees the lightweight of total while can guarantee heat insulation.Pass through the first fireprotection layer 111, thermal insulation layer simultaneously
112 and second fireprotection layer 113 the fire-proof and thermal-insulation blanket being stacked, can be used for cable or cable connector 2, external sheath has
The cable or cable connector 2 of fire-proof and thermal-insulation blanket can effectively reduce the probability of fire generation, can prevent fire in the case of fire
Calamity spreads to peripheral cable from a cable, and heat insulation is excellent, and the energy effective protection circuit inner structure when fire occurs is protected
Circuit normal power supply within a certain period of time is demonstrate,proved, rescue time is greatly prolonged, reduces economic loss.Furthermore the first cavity 114 and/
Or the second fire extinguishing powder of filling in cavity 115, in the case of fire, the first fireprotection layer 111 and/or the second fireprotection layer 113 by
To flame attack when surface can crack, since the opening direction of each first cavity 114 is from thermal insulation layer 112 to the first
Fireprotection layer 111 is gradually increased, and the opening direction of each second cavity 115 gradually increases from 112 to the second fireprotection layer 113 of thermal insulation layer
Greatly, make to be wrapped in the fire extinguishing powder or the second fireprotection layer among the first fireprotection layer 111 and thermal insulation layer 112 in first cavity 114
The fire fighting powder cognition of the second cavity 115 between 113 and thermal insulation layer 112 is easier to release, and fire extinguishing powder is fallen at fire source
Achieve the effect that put out a fire or slow down fire spreading, while without the first cavity 114 or the second cavity 115 of filling fire extinguishing powder
In can do heat dissipation channel, in order to the heat dissipation of cable itself.
As shown in Figure 1, the fire-proof and thermal-insulation blanket includes to be cascading in a preferred embodiment of the present invention
One fireprotection layer 111, thermal insulation layer 112 and the second fireprotection layer 113；It is equipped between first fireprotection layer 111 and thermal insulation layer 112 multiple
First cavity 114 is equipped with multiple second cavitys 115 between second fireprotection layer 113 and thermal insulation layer 112；Each described first is empty
The opening of chamber 114 is towards first fireprotection layer 111, and the opening of each second cavity 115 is towards second fireprotection layer
113, at least part of first cavity 114 and the second cavity 115 are interior equipped with fire extinguishing powder；First fireprotection layer 111, every
It is closed by fire proofing material at the layer body edge that thermosphere 112 and the second fireprotection layer 113 are formed.And by first fireprotection layer 111,
By suturing or being adhesively fixed between two fireprotection layers 113 and thermal insulation layer 112.
Further, in use, can contact the first fireprotection layer 111 with cable or cable connector.First fireprotection layer
Between 111 and thermal insulation layer 112 114 number of the first cavity of filling fire extinguishing powder less than the second fireprotection layer 113 and thermal insulation layer 112 it
Between filling fire extinguishing powder 115 number of the second cavity, since the first fireprotection layer 111 is directly contacted with cable or cable connector 2,
114 number of the first cavity of filling fire extinguishing powder is fewer, because the first cavity 114 can be used as heat dissipation channel, is more conducive to electricity
The heat dissipation of cable itself, i.e., the first cavity 114 is using as based on heat dissipation channel in the present embodiment, and the second fireprotection layer 113 directly connects
Touch heat source, so filling fire extinguishing powder 115 number of the second cavity it is more, in the case of fire, the first fireprotection layer 111 first by
Attack to flame crack surface can, the fire fighting powder being wrapped in 112 intermediate gaps of the first fireprotection layer 111 and thermal insulation layer
Cognition releases more, and extinguishing effect is better, i.e., the second cavity 115 in the present embodiment is based on putting out a fire.Usual situation
Under, between the first fireprotection layer 111 and thermal insulation layer 112 filling fire extinguishing powder the first cavity 114 account for the first fireprotection layer 111 and every
The sum of first cavity 114 is less than or equal to 30% between thermosphere 112；It fills and goes out between the second fireprotection layer 113 and thermal insulation layer 112
Second cavity 115 of fiery powder account for the sum of the second cavity 115 between the second fireprotection layer 113 and thermal insulation layer 112 70%~
100%.
As shown in Fig. 2, another embodiment of the invention, the fire-proof and thermal-insulation blanket includes that first to be cascading prevents
Fire bed 111, thermal insulation layer 112 and the second fireprotection layer 113；Multiple second are equipped between second fireprotection layer 113 and thermal insulation layer 112
Cavity 115；Opening the second fireprotection layer 113 of direction of each second cavity 115；In at least part of second cavity 115
Equipped with fire extinguishing powder.And suture or bonding will be passed through between first fireprotection layer 111, the second fireprotection layer 113 and thermal insulation layer 112
It is fixed.In the present embodiment, only the second cavity 115 is set between the second fireprotection layer 113 and thermal insulation layer 112, it can be by reasonable
The second cavity 115 for being distributed between the second fireprotection layer 113 and thermal insulation layer 112 filling fire extinguishing powder number so that can
Guarantee to put out a fire when fire and is able to achieve the heat dissipation of cable again.Under normal conditions, it is filled out between the second fireprotection layer 113 and thermal insulation layer 112
The second cavity 115 for filling fire extinguishing powder accounts for 70% of the sum of the second cavity 115 between the second fireprotection layer 113 and thermal insulation layer 112
~100%.
In fire-proof and thermal-insulation blanket provided by the present invention, including the above various embodiments, it is generally the case that first fire prevention
Layer 111 with a thickness of 0.2~2mm；Second fireprotection layer 113 with a thickness of 0.2~2mm；The thermal insulation layer 112 with a thickness of
0.5~3cm；The volume of first cavity 114 is 100cm3~1000cm3；The volume of second cavity 115 is 100cm3
~1000cm3；The number of the first cavity 114 is 10~25 in unit area；The number of the second cavity 115 is in unit area
10~25.Under above-mentioned parameter, it is ensured that fire prevention, the heat-insulated and heat dissipation effect of fine cable or cable connector 2.
Further, first cavity 114 is the groove structure being distributed on thermal insulation layer 112, and/or, described second is empty
Chamber 115 is the groove structure being distributed on thermal insulation layer 112.
In fire-proof and thermal-insulation blanket provided by the present invention, the material of first fireprotection layer 111 and/or the second fireprotection layer 113
Material is selected from one of ceramic rubber glass Compound Fabric, high silicon oxygen glass-fiber-fabric, ceramic polyolefin or a variety of combinations.
Preferably, the material of first fireprotection layer 111 and/or the second fireprotection layer 113 is selected from Ceramic silicon rubber glass
Compound Fabric, Ceramic silicon rubber glass Compound Fabric is rolled by glass-fiber-fabric and Ceramic silicon rubber, and wherein glass-fiber-fabric is selected
Alkali-free glass fiber cloth, alkali-free glass fiber cloth excellent insulation performance, glass-fiber-fabric provide structural strength for Ceramic silicon rubber glass Compound Fabric,
Ceramic silicon rubber material based on silicon rubber is added into porcelain filling, can sinter porcelain, material into rapidly at 600 DEG C or more
Surface forms one layer of densification, firm ceramic body structure, and temperature is higher, and ceramic body is firmer, and ceramic body has high-melting-point, height hard
The advantages that degree, high-wearing feature, resistance to oxidation, still can guarantee the stability of structure at 1500 DEG C.To play keep out flame to
The effect of inner layer material sprawling.Under fire hazard environment, the second fireprotection layer 113 shell hard by Low fire ceramic shape rapidly is hard
Shell armouring plays fireproofing function to internal insulation material, can guarantee the integrality of structure.
In fire-proof and thermal-insulation blanket provided by the present invention, the low material of the material thermal conductivity of the thermal insulation layer 112 is described
The thermal coefficient of thermal insulation layer is less than or equal to 0.05w/m.k.The material of the thermal insulation layer 112 is selected from aerogel blanket, aluminium silicate fiber
One of dimension, ceramic fibre, magnesium silicate fiber, alumina fibre, tapetum fibrosum, heat-insulating powder or a variety of combinations.It is described heat-insulated
Powder is selected from one of airsetting rubber powder, friction suede, aluminium oxide, silica, silicate powder, sulfate powder or a variety of groups
It closes.The aluminium oxide and silica can be spherical.When the material of thermal insulation layer is selected from heat-insulating powder, the thermal insulation layer is integrally
One heat-insulation chamber is filled with heat-insulating powder.
Preferably, the thermal insulation layer 112 is selected from aerogel blanket, and aerogel blanket is material based on aerosil
Material, and be compound in enhancement fiber, aerogel blanket density is less than 220kg/m3, and thermal coefficient is 0.017~0.023w/m.k,
Its aperture size is lower than air molecule mean free path under normal pressure, therefore in the hollow gas molecule less stationary of aeroge hole, from
And the convective heat transfer of air is avoided, and the crooked route of the extremely low bulk density and Specific surface area of aeroge also prevents
Gaseous state and solid-state heat transfer, the pore wall for tending to " infinite more " can be such that heat radiation minimizes.This three aspects collective effect, it is several
All approach for having blocked hot transmitting make aeroge reach the incomparable insulation effect of other materials, even much lower than often
The thermal coefficient of the lower still air 0.025w/m.k of temperature.The porosity of the aerogel layer be 95-98%, aperture 20-70nm,
Specific surface area is 500-650m2/ g, density 12.5-18kg/m3, Kong Rongwei 3.5ml/g.The aerogel layer good heat-insulation effect,
Density is low, guarantees the lightweight of total while can guarantee heat insulation.
In fire-proof and thermal-insulation blanket provided by the present invention, it is described fire extinguishing powder material be selected from ammonium phosphate salt, sodium bicarbonate,
One or more combinations of sodium chloride, potassium chloride fire-extinguishing agent.Above-mentioned is dry powder fire extinguishing agent, is put out a fire in dry powder fire extinguishing agent
Component is the inert matter of combustion reaction, when it enters in the flame of combustion zone, decomposes generated free radical and flame
The free radicals such as the H and OH that generate in combustion reaction react to each other, and capture and terminate the free radical of combustion reaction generation, reduce combustion
Burn the rate of reaction.When dry powder concentration is sufficiently high in flame, sufficiently large with flame contact area, free radical stops rate and is greater than combustion
When burning the rate that reaction generates, looping combustion reaction is terminated, thus fray-out of flame.Dry powder fire extinguishing agent absorbs heat in combustion flame
It decomposes, because each step decomposition reaction is the endothermic reaction, therefore has preferable cooling effect.In addition, ammonium dihydrogen phosphate point under high temperature
Solution generates one layer of vitreous film residual covering in solid matter surface and is covered in surface, plays the role of starvation, hinder
Only burning carries out, and can prevent re-ignition.In the case of fire, fireprotection layer crack surface can in the attack by flame,
It is empty to make to be wrapped in the first cavity 114 and/or second among the first fireprotection layer 111 and/or the second fireprotection layer 113 and thermal insulation layer 112
Fire fighting powder cognition in chamber 115 is easier to release, and fire extinguishing powder, which falls at fire source to reach, puts out a fire or slow down fire spreading
Effect.
Second aspect of the present invention provides a kind of cable, as shown in figure 3, the cable includes cable body 12 and institute of the present invention
At least one layer of fire-proof and thermal-insulation blanket stated, the fire-proof and thermal-insulation blanket are coated on 12 periphery of cable body, the cable body 12
Including multiple conductors 121 and cable cover(ing) 124, insulating layer 123, the insulating layer 123 are coated with outside the multiple conductor 121
Filled layer 122 is filled between cable cover(ing) 124.The filled layer 122 is Ceramic silicon rubber, ceramic polyolefin, glass
Glass cordage, one of inorganic paper string, non-woven fabrics etc. or a variety of combinations.The material of cable cover(ing) has polyvinyl chloride (PVC),
Polyethylene (PE), perfluoroethylene-propylene (F46), nylon, polyolefin etc..Since fire-proof and thermal-insulation blanket can protect cable fire-proof heat-insulated,
It can be to avoid in practical electricity transmission process, due to self-heating inside cable during high voltage power transmission, or by external bright
The influence of fire or high temperature, threatens to the normal work of cable, and short circuit, open circuit gently then occurs, heavy then fire disaster occurs.
Third aspect present invention provides a kind of cable connector, as shown in figure 4, the cable includes 21 He of cable connector ontology
Fire-proof and thermal-insulation blanket of the present invention, the cable connector ontology 21 are used to connect two adjacent cable bodies 12, and described
Cable connector ontology 21 is between cable body 12 and fire-proof and thermal-insulation blanket.Since fire-proof and thermal-insulation blanket can protect cable connector 2 anti-
Fire screen heat, can be to avoid in practical electricity transmission process, due to self-heating inside cable during high voltage power transmission, cable connector 2
Poor contact generates breakdown or electric spark, or is influenced by external open fire or high temperature, makes to the normal work of cable
At threat, short circuit, open circuit gently then occurs, it is heavy then fire disaster occurs.
Fourth aspect present invention provides a kind of cable laying structure, as shown in figure 5, the cable laying structure includes cable
Ditch 3, the cable duct 3 include the ditch body with opening, and the side wall of the ditch body is equipped with multiple cable beareves 4, each electricity
Cable bracket 4 is symmetrical arranged on the side wall of the ditch body, and vertical with the side wall of the ditch body, and the cable bearer 4 is equipped with
Cable 1 or cable connector of the present invention 2 of the present invention.
To sum up, in the present invention, first fireprotection layer 111, the second fireprotection layer 113 can play fire prevention to internal insulation material
Effect, can guarantee that the integrality of structure, the good heat-insulation effect of the thermal insulation layer 112 guarantee whole while can guarantee heat insulation
The lightweight of a structure.Pass through the fire prevention of the first fireprotection layer 111, thermal insulation layer 112 and the second fireprotection layer 113 being stacked
Heat-insulation blanket is coated on 2 outside of the cable 1 or cable connector.The probability of fire generation can be effectively reduced, in the case of fire
It can prevent fire from spreading to peripheral cable from a cable, heat insulation is excellent, can effective protection circuit when fire occurs
Internal structure guarantees circuit normal power supply within a certain period of time, greatly prolongs rescue time, reduces economic loss.Wherein cable
It is fire-proof and thermal-insulation blanket light weight, flexible, easy for construction, it will not excessively increase the weight bearing of cable bearer 4 after installation.In addition to this,
When fire occurs, fireprotection layer crack surface can in the attack by flame, make to be wrapped in the first fireprotection layer 111
And/or the fire fighting powder in the second the first cavity 114 and/or the second cavity 115 among fireprotection layer 113 and thermal insulation layer 112 is known from experience
It is easier to release, fire extinguishing powder, which is fallen at fire source, to be achieved the effect that put out a fire or slow down fire spreading, and fire extinguishing is not filled
Heat dissipation channel can be done in the first cavity 114 and/or the second cavity 115 of powder, in order to the heat dissipation of cable itself.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of fire-proof and thermal-insulation blanket, which is characterized in that the fire-proof and thermal-insulation blanket includes the first fireprotection layer being cascading
(111), thermal insulation layer (112) and the second fireprotection layer (113)；
Prevent between first fireprotection layer (111) and thermal insulation layer (112) equipped with multiple first cavitys (114) and/or described second
Multiple second cavitys (115) are equipped between fire bed (113) and thermal insulation layer (112)；
The opening of each first cavity (114) is towards first fireprotection layer (111) and/or each second cavity (115)
Opening towards second fireprotection layer (113)；
Fire extinguishing powder is equipped at least part of first cavity (114) and/or the second cavity (115).
2. fire-proof and thermal-insulation blanket as described in claim 1, which is characterized in that first fireprotection layer (111), thermal insulation layer (112)
It is closed by fire proofing material at the layer body edge formed with the second fireprotection layer (113).
3. fire-proof and thermal-insulation blanket as described in claim 1, which is characterized in that first fireprotection layer (111) with a thickness of 0.2~
2mm；
And/or second fireprotection layer (113) with a thickness of 0.2~2mm；
And/or the thermal insulation layer (112) with a thickness of 0.5~3cm；
And/or the volume of first cavity (114) is 100cm3~1000cm3；
And/or the volume of second cavity (115) is 100cm3~1000cm3；
And/or the number of the first cavity (114) is 10~25 in unit area；
And/or the number of the second cavity (115) is 10~25 in unit area；
And/or the first cavity (114) number of fire extinguishing powder is filled between first fireprotection layer (111) and thermal insulation layer (112)
Less than the second cavity (115) number of the filling fire extinguishing powder between the second fireprotection layer (113) and thermal insulation layer (112)；
And/or first cavity (114) is the groove structure being distributed on thermal insulation layer (112)；
And/or second cavity (115) is the groove structure being distributed on thermal insulation layer (112)；
And/or the first cavity (114) of filling fire extinguishing powder accounts for first between the first fireprotection layer (111) and thermal insulation layer (112)
The sum of the first cavity (114) is less than or equal to 30% between fireprotection layer (111) and thermal insulation layer (112)；In the second fireprotection layer (113)
Between thermal insulation layer (112) the second cavity (115) of filling fire extinguishing powder account for the second fireprotection layer (113) and thermal insulation layer (112) it
Between the second cavity (115) sum 70%~100%.
4. fire-proof and thermal-insulation blanket as described in claim 1, which is characterized in that first fireprotection layer (111) and/or the second fire prevention
The material of layer (113) is selected from one of ceramic rubber glass Compound Fabric, high silicon oxygen glass-fiber-fabric, ceramic polyolefin or a variety of
Combination；
And/or the material of the thermal insulation layer (112) is selected from aerogel blanket, alumina silicate fibre, ceramic fibre, magnesium silicate fiber, oxygen
Change one of aluminum fiber, tapetum fibrosum, heat-insulating powder or a variety of combinations.
5. fire-proof and thermal-insulation blanket as described in claim 1, which is characterized in that it is described fire extinguishing powder material be selected from ammonium phosphate salt,
One or more combinations of sodium bicarbonate, sodium chloride, potassium chloride fire-extinguishing agent.
6. the fire-proof and thermal-insulation blanket as described in claim 4 claim, which is characterized in that the heat-insulating powder be selected from airsetting rubber powder,
Rub one of suede, aluminium oxide, silica, silicate powder, sulfate powder or a variety of combinations.
7. the fire-proof and thermal-insulation blanket as described in claim 4 and 6, which is characterized in that first fireprotection layer (111) and/or second
The material of fireprotection layer (113) is selected from Ceramic silicon rubber glass Compound Fabric；The material of the thermal insulation layer (112) is selected from aerogel blanket
Or airsetting rubber powder；The porosity of the aeroge is 95-98%, aperture 20-70nm, Kong Rongwei 3.5ml/g.
8. a kind of cable, which is characterized in that the cable includes cable body (12) and at least one layer of such as claim 1~7 times
Fire-proof and thermal-insulation blanket described in one claim, the fire-proof and thermal-insulation blanket are coated on the cable body (12) periphery, the electricity
Cable ontology (12) includes the multiple conductors of cable (121) and cable cover(ing) (124), and the multiple conductor (121) outer cladding has absolutely
Edge layer (123) is filled with filled layer (122) between the insulating layer (123) and cable cover(ing) (124).
9. a kind of cable connector, which is characterized in that the cable includes cable connector ontology (21) and at least one layer as right is wanted
Fire-proof and thermal-insulation blanket described in any one of 1~7 claim is sought, the cable connector (2) is for connecting two adjacent cable sheets
Body (12), and the cable connector (2) is located between cable body (12) and fire-proof and thermal-insulation blanket.
10. a kind of cable laying structure, which is characterized in that the cable laying structure includes cable duct (3), the cable duct
It (3) include the ditch body with opening, the side wall of the ditch body is equipped with multiple cable beareves (4), each cable bearer (4) In
It is symmetrical arranged on the side wall of the ditch body, and vertical with the side wall of the ditch body, the cable bearer (4) is equipped with as right is wanted
Cable described in asking 8 or cable connector as claimed in claim 9 (2).
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| CN201910729033.2A CN110406190B (en) | 2019-08-08 | 2019-08-08 | Fireproof heat insulation blanket, cable joint and cable laying structure |
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|---|---|---|---|
| CN201910729033.2A CN110406190B (en) | 2019-08-08 | 2019-08-08 | Fireproof heat insulation blanket, cable joint and cable laying structure |
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| CN110406190A true CN110406190A (en) | 2019-11-05 |
| CN110406190B CN110406190B (en) | 2024-06-25 |
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| CN111184965A (en) * | 2019-12-23 | 2020-05-22 | 中纺院（浙江）技术研究院有限公司 | Fire blanket capable of releasing incombustible gas |
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| CN111681824A (en) * | 2020-06-23 | 2020-09-18 | 上海飞航电线电缆有限公司 | Novel low-smoke halogen-free flame-retardant B1-grade cable |
| CN113594983A (en) * | 2021-08-05 | 2021-11-02 | 浙江辽汇控股有限公司 | Cable explosion-proof fire blanket |
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