CN209591571U - Flexible environment friendly type aluminium alloy core fireproof cable - Google Patents
Flexible environment friendly type aluminium alloy core fireproof cable Download PDFInfo
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- CN209591571U CN209591571U CN201920250881.0U CN201920250881U CN209591571U CN 209591571 U CN209591571 U CN 209591571U CN 201920250881 U CN201920250881 U CN 201920250881U CN 209591571 U CN209591571 U CN 209591571U
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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 relates to field of cable technology, more particularly to a kind of flexible environment friendly type aluminium alloy core fireproof cable, it includes the core being made of aluminium alloy conductor and the insulating layer being wrapped in outside aluminium alloy conductor, and is successively wrapped in interior fire lagging, the first wrapping layer, outer fire lagging, the second wrapping layer, aramid yarn filled layer, third wrapping layer, oxygen barrier layer, chain armor and oversheath outside core；The cable of the utility model from heavy and light, flexible, tensile property is good, is convenient for cable laying operation, and fire protecting performance is good, and the service life is long in a fire.
Description
Technical field
The utility model relates to field of cable technology, and in particular to a kind of flexible environment friendly type aluminium alloy core fireproof cable.
Background technique
In recent years, with fast developments such as urban construction, public infrastructures, higher want is proposed to architecture electric technology
It asks, the theories such as green, environmental protection, intelligence, safety have become mainstream development trend, for the need for adapting to modern architecture electric utility
It wants, 2014 revise or issued 50016 " fire protection design of building of GB with coming year People's Republic of China's house and town and country construction portion
Specification " [1], the ten multinomial standard criterions such as GB 50116 " Code for design of automatic fire alarm systems " [2].GB 50016-2014
10.1.10 trifle provides during " Code for fire protection design of buildings " [1] the 10th chapter is electrical: fire-fighting distribution line must use " mineral
Insulate class cable ", the invention has the fire performances such as fire-retardant, fire resisting, Halogen, low cigarette simultaneously, and reaches relevant fire spy
The wire and cable of property index.Furthermore the cable that the current country can be provided simultaneously with multinomial fire performance generally uses in copper pipe sheath
Copper conductor structure, and being limited by copper pipe length of the structure (copper pipe be generally 6m/ root), erection joint is more, and connector is hidden
Suffer from big.Cable Unit Weight weight, is unfavorable for long length vertical run.Meanwhile all using copper conductor, copper pipe sheath, inorganic oxygen
Change magnesium insulation, manufacturing cost is high, is unfavorable for being widely applied.
Summary of the invention
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of flexible environment friendly type aluminium alloy core fire prevention
Cable, from heavy and light, flexible, pull resistance is good, is convenient for cable laying operation, and fire protecting performance is good, the service life is long in a fire.
To achieve the above object, the utility model adopts the technical scheme that
A kind of flexible environment friendly type aluminium alloy core fireproof cable comprising by aluminium alloy conductor 1 and be wrapped in aluminium alloy conductor 1
The core that external insulating layer 2 forms, and successively it is wrapped in interior fire lagging 3 outside core, the first wrapping layer 4, outer
Fire lagging 5, the second wrapping layer 6, aramid yarn filled layer 7, third wrapping layer 8, oxygen barrier layer 9, chain armor 10 and outer shield
Set 11；
The insulating layer 2 includes that Mica tape layer, the first high-temperature polyester band wrapping layer and low smoke and zero halogen cross-linking radiation are poly-
Olefin layer；The interior fire lagging 3 be aluminum hydroxide layer, the first wrapping layer 4, the second wrapping layer 6 and third wrapping layer 8 by
Low-smoke non-halogen flame-retardant band is wrapped to be formed, and outer fire lagging 5 is magnesium hydroxide layer, and oxygen barrier layer 9 is to be extruded in outside third wrapping layer 8
The low-smoke halogen-free polyolefin layer in portion, oversheath 11 are low-smoke halogen-free polyolefin sheath.
Preferably, including 3 cores, three cores are twisted into cable core, and interior fire lagging 3 is wrapped in outside cable core, In
On the cross section of cable core, three cores are distributed in a triangle.
Preferably, the Mica tape layer is outside aluminium alloy conductor 1, low smoke and zero halogen cross-linking radiation polyolefin layer
It is extruded in outside Mica tape layer, the first high-temperature polyester band wrapping layer is outside low smoke and zero halogen cross-linking radiation polyolefin layer
Portion.
It preferably, further include being handed over master tape wrapping layer and low smoke and zero halogen irradiation being located at outside Mica tape layer
Join the second high-temperature polyester band wrapping layer between polyolefin layer.
Preferably, the chain armor 10 is the chain armor of copper strips.
Preferably, the aluminium alloy conductor 1 is 8000 series alloys conductors of ASTM B800-2005 standard.
The flexible environment friendly type aluminium alloy core fireproof cable of the utility model, aluminium alloy conductor material is light, and electric conductivity is good
It is good, the self weight of the utility model cable can be significantly reduced；Its insulating layer includes that Mica tape layer, the first high-temperature polyester band are wrapped
Layer and low smoke and zero halogen cross-linking radiation polyolefin layer, multi-insulation ensure that the insulating properties of the utility model cable, and high temperature is poly-
Ester band can prevent to draw the case where low smoke and zero halogen cross-linking radiation polyolefin layer moisture absorption causes the utility model cable insulation to reduce hair
It is raw；Its interior fire lagging and outer fire lagging form staged and release water cooling structure, can have and delay in fire, and high temperature is to electricity
The speed spread inside cable；Its insulating layer, wrapping layer, oxygen barrier layer and oversheath are all made of low smoke and zero halogen material, keep this practical new
Type cable is more environmentally-friendly, reduces in a fire to the influence of ambient enviroment.In addition, the chain armor is the chain armouring of copper strips
Layer cooperates with aramid yarn filled layer, can effectively improve the flexibility of the utility model cable, keep its bending property good, more just
In cable laying operation, and keep the pull resistance of the utility model cable more preferable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model flexible environment friendly type aluminium alloy core fireproof cable.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1 provides, further illustrate that the flexible environment friendly type aluminium alloy core of the utility model is anti-
The specific embodiment of thermoelectricity cable.The flexible environment friendly type aluminium alloy core fireproof cable of the utility model is not limited to following embodiment
Description.
The flexible environment friendly type aluminium alloy core fireproof cable of the utility model comprising by aluminium alloy conductor 1 and be wrapped in aluminium
The core that insulating layer 2 outside alloy conductor 1 forms, and be successively wrapped in interior fire lagging 3, first outside core around
Covering 4, outer fire lagging 5, the second wrapping layer 6, aramid yarn filled layer 7, third wrapping layer 8, oxygen barrier layer 9, chain armor
10 and oversheath 11；
The insulating layer 2 includes that Mica tape layer, the first high-temperature polyester band wrapping layer and low smoke and zero halogen irradiation are handed over
Join polyolefin layer；The interior fire lagging 3 is aluminum hydroxide layer, the first wrapping layer 4, the second wrapping layer 6 and third wrapping layer 8
It is formed by low-smoke non-halogen flame-retardant band is wrapped, outer fire lagging 5 is magnesium hydroxide layer, and oxygen barrier layer 9 is wrapped to be extruded in third
Low-smoke halogen-free polyolefin layer outside layer 8, oversheath 11 are low-smoke halogen-free polyolefin sheath.
The flexible environment friendly type aluminium alloy core fireproof cable of the utility model, aluminium alloy conductor material is light, and electric conductivity is good
It is good, the self weight of the utility model cable can be significantly reduced；Its insulating layer includes that Mica tape layer, the first high-temperature polyester band are wrapped
Layer and low smoke and zero halogen cross-linking radiation polyolefin layer, multi-insulation ensure that the insulating properties of the utility model cable, and high temperature is poly-
Ester band can prevent to draw the case where low smoke and zero halogen cross-linking radiation polyolefin layer moisture absorption causes the utility model cable insulation to reduce hair
It is raw；Its interior fire lagging and outer fire lagging form staged and release water cooling structure, can have and delay in fire, and high temperature is to electricity
The speed spread inside cable；Its insulating layer, wrapping layer, oxygen barrier layer and oversheath are all made of low smoke and zero halogen material, keep this practical new
Type cable is more environmentally-friendly, reduces in a fire to the influence of ambient enviroment.In addition, the chain armor is the chain armouring of copper strips
Layer cooperates with aramid yarn filled layer, can effectively improve the flexibility of the utility model cable, keep its bending property good, more just
In cable laying operation, and keep the pull resistance of the utility model cable more preferable.Below with reference to Figure of description and specific embodiment
The flexible environment friendly type aluminium alloy core fireproof cable of the utility model is described further.
As shown in Figure 1, the utility model flexible environment friendly type aluminium alloy core fireproof cable includes cable core, and successively it is wrapped in
Interior fire lagging 3, the first wrapping layer 4, outer fire lagging 5, the second wrapping layer 6, aramid yarn filled layer 7 outside cable core,
Third wrapping layer 8, oxygen barrier layer 9, chain armor 10 and oversheath 11.
Preferably, the cable core includes core, and core is by aluminium alloy conductor 1 and is wrapped in exhausted outside aluminium alloy conductor 1
Edge layer 2 forms.
Preferably, the cable core is twisted by 3 cores, and on the cross section of cable core, 3 cores divide in a triangle
Cloth.
Preferably, the aluminium alloy conductor 1 is 8000 series alloys conductors of ASTM B800-2005 standard.
Preferably, the insulating layer 2 includes that Mica tape layer, the first high-temperature polyester band wrapping layer and low smoke and zero halogen irradiate
Crosslinked polyolefin layer.Further, the Mica tape layer is outside aluminium alloy conductor 1, low smoke and zero halogen cross-linking radiation
Polyolefin layer is extruded in outside Mica tape layer, and the first high-temperature polyester band wrapping layer is around low smoke and zero halogen cross-linking radiation polyene
Outside hydrocarbon layers.Further, the second high-temperature polyester band wrapping layer, the second high temperature are also surrounded with outside the Mica tape layer
Polyester belt wrapping layer is located between Mica tape layer and low smoke and zero halogen cross-linking radiation polyolefin layer.
Preferably, the interior fire lagging 3 is aluminum hydroxide layer, and outer fire lagging 5 is magnesium hydroxide layer, this is practical
Novel cable in a fire when, high temperature spread to first outer fire lagging 5 make its decomposition release water cooling, delay high temperature to electricity
The speed spread inside cable, then in fire lagging 3 it is heated, so that its decomposition is released water cooling, further extend high temperature to cable
The speed of inside sprawling forms interior fire prevention isolation since the decomposition temperature of aluminium hydroxide is lower than the decomposition temperature of magnesium hydroxide
Layer 3 and outer fire lagging 5 form step and release water cooling structure, have greatly delayed high temperature to the speed spread inside cable
Degree.
Preferably, first wrapping layer 4 is formed outside interior fire lagging 3 by low-smoke non-halogen flame-retardant band；The
Two wrapping layers 6 are formed outside outer fire lagging 5 by low-smoke non-halogen flame-retardant band, and third wrapping layer 8 is hindered by low smoke and zero halogen
Combustion band forms outside aramid yarn filled layer 7.
Preferably, the oxygen barrier layer 9 is the low-smoke halogen-free polyolefin layer being extruded in outside third wrapping layer 8.
Preferably, the chain armor 10 is the chain armor of copper strips, and argon arc welding is used to weld commissure,
Welding effect is solid and reliable, is conducive to the flexibility for improving the utility model cable, keeps its bendability good, is convenient for cable laying operation.
The aramid yarn filled layer 7, is filled with aramid yarn, and aramid yarn has low-density, high tensile ability, High Rupturing Capacity, anti-height
Warm nature can be good, and glass transition can occur at high temperature, so that the utility model cable has good tensile property, and
And further improve fireproofing of cable performance.
Preferably, the external sheath layer 11 is the low-smoke halogen-free polyolefin sheath being extruded in outside chain armor.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (6)
1. a kind of flexible environment friendly type aluminium alloy core fireproof cable, which is characterized in that it includes by aluminium alloy conductor (1) and being wrapped in
The core of external insulating layer (2) composition of aluminium alloy conductor (1), and successively it is wrapped in the interior fire lagging outside core
(3), the first wrapping layer (4), outer fire lagging (5), the second wrapping layer (6), aramid yarn filled layer (7), third wrapping layer
(8), oxygen barrier layer (9), chain armor (10) and oversheath (11)；
The insulating layer (2) includes Mica tape layer, the first high-temperature polyester band wrapping layer and low smoke and zero halogen cross-linking radiation polyene
Hydrocarbon layers；The interior fire lagging (3) is aluminum hydroxide layer, the first wrapping layer (4), the second wrapping layer (6) and third wrapping layer
(8) it is formed by low-smoke non-halogen flame-retardant band is wrapped, outer fire lagging (5) is magnesium hydroxide layer, and oxygen barrier layer (9) is to be extruded in the
The external low-smoke halogen-free polyolefin layer of three wrapping layers (8), oversheath (11) are low-smoke halogen-free polyolefin sheath.
2. flexible environment friendly type aluminium alloy core fireproof cable according to claim 1, it is characterised in that:
Including 3 cores, three cores are twisted into cable core, and interior fire lagging (3) is wrapped in outside cable core, in the transversal of cable core
On face, three cores are distributed in a triangle.
3. flexible environment friendly type aluminium alloy core fireproof cable according to claim 1, it is characterised in that:
The Mica tape layer is external around aluminium alloy conductor (1), and low smoke and zero halogen cross-linking radiation polyolefin layer is extruded in cloud
Outside master tape wrapping layer, the first high-temperature polyester band wrapping layer is outside low smoke and zero halogen cross-linking radiation polyolefin layer.
4. flexible environment friendly type aluminium alloy core fireproof cable according to claim 3, it is characterised in that: further include around cloud
The second high-temperature polyester being located between master tape wrapping layer and low smoke and zero halogen cross-linking radiation polyolefin layer outside master tape wrapping layer
Band wrapping layer.
5. flexible environment friendly type aluminium alloy core fireproof cable according to claim 1, it is characterised in that: the chain armor
It (10) is the chain armor of copper strips.
6. flexible environment friendly type aluminium alloy core fireproof cable according to claim 1, it is characterised in that: the aluminium alloy conductor
It (1) is 8000 series alloys conductors of ASTM B800-2005 standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920250881.0U CN209591571U (en) | 2019-02-27 | 2019-02-27 | Flexible environment friendly type aluminium alloy core fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920250881.0U CN209591571U (en) | 2019-02-27 | 2019-02-27 | Flexible environment friendly type aluminium alloy core fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209591571U true CN209591571U (en) | 2019-11-05 |
Family
ID=68370762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920250881.0U Active CN209591571U (en) | 2019-02-27 | 2019-02-27 | Flexible environment friendly type aluminium alloy core fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209591571U (en) |
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2019
- 2019-02-27 CN CN201920250881.0U patent/CN209591571U/en active Active
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