CN209297802U - A kind of aluminium sheath fireproof cable - Google Patents
A kind of aluminium sheath fireproof cable Download PDFInfo
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- CN209297802U CN209297802U CN201920004895.4U CN201920004895U CN209297802U CN 209297802 U CN209297802 U CN 209297802U CN 201920004895 U CN201920004895 U CN 201920004895U CN 209297802 U CN209297802 U CN 209297802U
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- Prior art keywords
- aluminium sheath
- fire
- wrapped
- aluminium
- fireproof cable
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- 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
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Abstract
The utility model discloses a kind of aluminium sheath fireproof cable, including insulated wire cores, the quantity of the insulated wire cores is more than one, and conductor is equipped in insulated wire cores, fire lagging is wrapped in outside conductor, filled layer is distributed in the gap of adjacent insulated wire cores, and filled layer and insulated wire cores form cable core, and filled layer is fire proofing, buffer layer is outside cable core, aluminium sheath is wrapped in buffer exteriors, and aluminium sheath is coated with fire proof heat-insulation layer, and oversheath is wrapped in outside fire proof heat-insulation layer.The humidity resistance of the utility model cable, insulation performance and fire resistance are preferable, nonhygroscopic, good bending property, guarantee that cable is run steadily in the long term, service life is longer.
Description
Technical field
The utility model relates to technical field of electric wires and cables, and in particular to a kind of aluminium sheath fireproof cable.
Background technique
With the rapid development of the national economy, the important job facilities such as subway, power plant, nuclear power station, tunnel and intelligence are small
The densely populated places occasion such as area, heavy construction, especially skyscraper and special skyscraper is more and more, the design of country and place
Regulation is distinctly claimed some routes need to be using fire-resisting cable, the backbone of some routes such as fire-fighting power supply, fire pump, fire-fighting control
The power circuit of room, Smoke prevention and fume extractor and Fire lift processed should use 950 DEG C of refractory temperature, continued power time 180min
Fire-resisting cable, i.e. fireproof cable.
Common fireproof cable has rigidity fireproof cable, the embossing copper shield slightly soft compared to rigidity fireproof cable currently on the market
Set or aluminium sheath fireproof cable.The shortcomings that rigidity fireproof cable is that bending property is poor, production length is restricted, mounting and installation is stranded
It is low that difficult, joint is easy dampness, cost performance；The shortcomings that embossing copper sheath, which is that bending property is poor, joint processing is bad, also can
Dampness, sexual valence are relatively low；Aluminium sheath fireproof cable causes its bending property not good enough due to having extruded fire clay.
Summary of the invention
In view of the above-mentioned problems of the prior art, the utility model provides a kind of aluminium sheath fireproof cable, cable is prevented
Damp performance, insulation performance and fire resistance are preferable, nonhygroscopic, good bending property, guarantee that cable is run steadily in the long term, service life
It is longer.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of aluminium sheath fireproof cable, including exhausted
Edge core, the quantity of the insulated wire cores are more than one, conductor are equipped in insulated wire cores, fire lagging is wrapped in outside conductor
Portion, filled layer are distributed in the gap of adjacent insulated wire cores, and filled layer and insulated wire cores form cable core, and filled layer is fire-retardant material
Material, for buffer layer outside cable core, aluminium sheath is wrapped in buffer exteriors, and aluminium sheath is coated with fire proof heat-insulation layer, outside
Sheath is wrapped in outside fire proof heat-insulation layer.
Preferably, the conductor is metal cladding soft copper conductor or not metal cladding soft copper conductor.
Any of the above-described scheme is preferably, the fire lagging combined by gold mica tape and Ceramic silicon rubber band and
At.
Any of the above-described scheme is preferably, and Ceramic silicon rubber band abuts conductive surface, outside Ceramic silicon rubber band around
Mica tape covered with gold leaf, gold mica tape outside is further around packet Ceramic silicon rubber band.
Any of the above-described scheme is preferably, and the fire proofing is glass cord or polypropylene flame redardant gasket for packing or fire-retardant
Cotton cord.
Any of the above-described scheme is preferably, and the buffer layer is fire-retardant band.
Any of the above-described scheme is preferably, and the aluminium sheath is argon arc welding longitudinal wrap aluminium embossed sheath.
Any of the above-described scheme is preferably, and the fire proof heat-insulation layer, which is that Ceramic silicon rubber is wrapped, to be formed.
Any of the above-described scheme is preferably, and the oversheath is halogen-free and low-smoke flame-retardant polyolefin sheathed.
The beneficial effects of the utility model are:
(1) conductor can be coated metal copper conductor, improve the corrosion resistance of conductor；
(2) fire lagging is composed of gold mica tape and Ceramic silicon rubber band: being ceramic against conductive surface
Silicone rubber belt, outside is outside gold mica tape covered with gold leaf, gold mica tape further around packet Ceramic silicon rubber band.Against the ceramic of conductor
Silicone rubber belt separates conductor and gold mica tape, protects gold mica tape using its soft and elastic characteristic, avoids phlogopite
There is breakage when wrapped in band；
(3) cable cost can be reduced using gold mica tape；Ceramic silicon rubber band outside gold mica tape is equally to gold
Mica tape forms protection, avoids gold mica tape from being damaged in the follow-up process, while matching with the Ceramic silicon rubber band of the inside
Close, by gold mica tape sandwich between inside and outside Ceramic silicon rubber band, using its good seal performance, nonhygroscopic, good insulation preformance,
The good characteristic of fire resistance improves the humidity resistance, insulation performance and fire resistance of refractory insulating layer, correspondingly reduces cable and apply
The difficulty in working hour.
(4) buffer layer is fire-retardant band.Fire-retardant band has certain elasticity, and cable core is isolated with the aluminium embossed sheath of outside
It opens, in this way in argon arc welding aluminium embossed sheath, can be weighed wounded to avoid because cable core is irregular by the inside burr of aluminium sheath.
(5) aluminium sheath is argon arc welding longitudinal wrap aluminium embossed sheath.Aluminium sheath becomes a seal pipe through argon arc welding and wraps up cable core
Inside, the humidity resistance energy of cable is improved；Aluminium sheath is relatively soft plus aluminium material itself through embossing, therefore compares copper sheath
Fireproof cable has certain flexibility；The specific gravity of aluminium is less than copper, and unit price is also more much smaller than copper, therefore cost performance is relatively high；Aluminium shield
The ground line that set can be used as cable uses, and accordingly also reduces cable cost；Aluminium sheath has certain resistance to compression, shock resistance energy
Power forms protective effect to cable core.
(6) fire proof heat-insulation layer forms for Ceramic silicon rubber band is wrapped, good seal performance, soft flexible, tight
Outside aluminium sheath.Ceramic silicon rubber band can gradually be hardened crust under the conditions of having flame or nonflame for 350 DEG C or more, be formed hard
Hard ceramic body, plays fire prevention, heat-insulated effect, and refractory temperature is more than 1000 DEG C.Its heat-proof quality can effectively reduce heat
It is transmitted inside to cable, aluminium sheath can be protected not to be melted in 950 DEG C of flames, while the gold mica tape of the inside is in ceramic SiClx
It is not burned under rubber strip effect and keeps route integrality, reach flameproof effect.
(7) oversheath is halogen-free and low-smoke flame-retardant polyolefin sheathed, has LSOH anti-flaming environmental protection characteristic.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one preferred embodiment of aluminium sheath fireproof cable of the utility model；
Fig. 2 is the structural schematic diagram of another preferred embodiment of aluminium sheath fireproof cable of the utility model；
Fig. 3 is the structural schematic diagram of the aluminium sheath fireproof cable further embodiment of the utility model；
Fig. 4 is the structural schematic diagram of the aluminium sheath fireproof cable further embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Embodiment 1
To achieve the goals above, the technical solution adopted in the utility model is:
As shown in Figure 1, a kind of aluminium sheath fireproof cable, including insulated wire cores, the quantity of the insulated wire cores are four, absolutely
Conductor 1 is equipped in edge core, the conductor 1 is metal cladding soft copper conductor, improves the corrosion resistance of conductor.Fire-proof insulation
Layer 2 is wrapped in outside conductor 1.Fire lagging 2 is composed of gold mica tape and Ceramic silicon rubber band, abuts 1 table of conductor
Face is Ceramic silicon rubber band, and the wrapped gold mica tape in outside, gold mica tape outside is further around packet Ceramic silicon rubber band.Using gold
Mica tape can reduce cable cost, and the Ceramic silicon rubber band outside gold mica tape equally forms gold mica tape and protects, and keep away
Exempt from gold mica tape to be damaged in the follow-up process, while cooperating with the Ceramic silicon rubber band of the inside, gold mica tape is sandwiched
Between inside and outside Ceramic silicon rubber band, using the good characteristic of its good seal performance, nonhygroscopic, good insulation preformance, fire resistance,
Humidity resistance, insulation performance and the fire resistance of refractory insulating layer are improved, this also correspondingly reduces difficulty when cable construction.
Ceramic silicon rubber band against conductor separates conductor and gold mica tape, is protected using its soft and elastic characteristic
Gold mica tape has been protected, gold mica tape is avoided to occur breakage when wrapped.
Filled layer 3 is distributed in the gap of adjacent insulated wire cores, and filled layer 3 and insulated wire cores form cable core, and filled layer 3 is
Fire proofing.Fire proofing is glass cord or polypropylene flame redardant gasket for packing or fire-retardant cotton cord etc..Buffer layer 4 is around cable core
Outside, buffer layer 4 are fire-retardant band.Fire-retardant band has certain elasticity, and the aluminium embossed sheath of cable core and outside is kept apart, this
Sample can be weighed wounded to avoid because cable core is irregular by the inside burr of aluminium sheath in argon arc welding aluminium embossed sheath.
Aluminium sheath 5 is wrapped in outside buffer layer 4, and aluminium sheath 5 is coated with fire proof heat-insulation layer 6, specifically, aluminium sheath 5
For argon arc welding longitudinal wrap aluminium embossed sheath.Aluminium sheath becomes a seal pipe through argon arc welding and cable core is wrapped in the inside, improves cable
Humidity resistance energy；In addition, aluminium sheath is relatively soft plus aluminium material itself through embossing, therefore has compared to copper sheath fireproof cable
Certain flexibility；The specific gravity of aluminium is less than copper, and unit price is also more much smaller than copper, therefore cost performance is relatively high；Aluminium sheath can be used as electricity
The ground line of cable uses, and accordingly also reduces cable cost；Aluminium sheath also has certain resistance to compression, impact resistance, to cable core shape
At protective effect.
Oversheath 7 is wrapped in outside fire proof heat-insulation layer 6.Specifically, fire proof heat-insulation layer 6 for Ceramic silicon rubber is wrapped and
At good seal performance, soft flexible, tight is outside aluminium sheath.Ceramic silicon rubber band has flame at 350 DEG C or more
Or the crust that can gradually be hardened under the conditions of nonflame, hard ceramic body is formed, fire prevention, heat-insulated effect are played, refractory temperature is more than
1000 DEG C, heat-proof quality can effectively reduce heat and transmit to inside cable, can be protected in 950 DEG C of flames aluminium sheath not by
Melt, while the gold mica tape of the inside is not burned under the effect of Ceramic silicon rubber band and keeps route integrality, reaches anti-
Fiery effect.
Oversheath 7 be it is halogen-free and low-smoke flame-retardant polyolefin sheathed, have LSOH anti-flaming environmental protection characteristic.
Embodiment 2
Unlike a kind of aluminium sheath fireproof cable and embodiment 1, the conductor 1 is not metal cladding soft copper conductor.
Embodiment 3
Unlike a kind of aluminium sheath fireproof cable and embodiment 1, the quantity of the insulated wire cores is three, such as Fig. 2 institute
Show, it is in fascicular texture that three insulated wire cores, which are mutually wound twisted, and conductor 1 is equipped in insulated wire cores, and the conductor 1 is metal cladding
Soft copper conductor.
Embodiment 4
Unlike a kind of aluminium sheath fireproof cable and embodiment 1, the quantity of insulated wire cores is two, as shown in Figure 3.
Embodiment 5
Unlike a kind of aluminium sheath fireproof cable and embodiment 1, the quantity of insulated wire cores is one, and inside is without filling
Layer 3, as shown in Figure 4.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.
Claims (8)
1. a kind of aluminium sheath fireproof cable, including insulated wire cores, which is characterized in that the quantity of the insulated wire cores be one with
On, it is equipped with conductor (1) in insulated wire cores, fire lagging (2) is wrapped in conductor (1) outside, and filled layer (3) is distributed in adjacent exhausted
In the gap of edge core, filled layer (3) and insulated wire cores form cable core, and filled layer (3) is fire proofing, and buffer layer (4) is wrapped
Outside cable core, aluminium sheath (5) is wrapped in buffer layer (4) outside, and aluminium sheath (5) is coated with fire proof heat-insulation layer (6), outer shield
It is external that set (7) is wrapped in fire proof heat-insulation layer (6).
2. a kind of aluminium sheath fireproof cable according to claim 1, which is characterized in that the conductor (1) is metal cladding
Soft copper conductor or not metal cladding soft copper conductor.
3. a kind of aluminium sheath fireproof cable according to claim 1, which is characterized in that the fire lagging (2) is by gold
Mica tape and Ceramic silicon rubber band are composed.
4. a kind of aluminium sheath fireproof cable according to claim 3, which is characterized in that the Ceramic silicon rubber band abuts
Conductor (1) surface, the wrapped gold mica tape in Ceramic silicon rubber band outside, gold mica tape outside is further around packet Ceramic silicon rubber band.
5. a kind of aluminium sheath fireproof cable according to claim 1, which is characterized in that the buffer layer (4) is fire-retardant packet
Band.
6. a kind of aluminium sheath fireproof cable according to claim 1, which is characterized in that the aluminium sheath (5) is argon arc welding
Longitudinal wrap aluminium embossed sheath.
7. a kind of aluminium sheath fireproof cable according to claim 1, which is characterized in that the fire proof heat-insulation layer (6) is pottery
Porcelain SiClx rubber is wrapped to be formed.
8. a kind of aluminium sheath fireproof cable according to claim 1, which is characterized in that the oversheath (7) is that Halogen is low
It is smoke flame-retardant polyolefin sheathed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920004895.4U CN209297802U (en) | 2019-01-02 | 2019-01-02 | A kind of aluminium sheath fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920004895.4U CN209297802U (en) | 2019-01-02 | 2019-01-02 | A kind of aluminium sheath fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209297802U true CN209297802U (en) | 2019-08-23 |
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ID=67650126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920004895.4U Active CN209297802U (en) | 2019-01-02 | 2019-01-02 | A kind of aluminium sheath fireproof cable |
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| CN (1) | CN209297802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993169A (en) * | 2019-11-20 | 2020-04-10 | 湖南华泰电缆有限公司 | Fireproof cable and preparation method thereof |
-
2019
- 2019-01-02 CN CN201920004895.4U patent/CN209297802U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993169A (en) * | 2019-11-20 | 2020-04-10 | 湖南华泰电缆有限公司 | Fireproof cable and preparation method thereof |
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