CN209674915U - A kind of low smoke halogen-free fire retardant fire resistant cable - Google Patents
A kind of low smoke halogen-free fire retardant fire resistant cable Download PDFInfo
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- CN209674915U CN209674915U CN201920757821.8U CN201920757821U CN209674915U CN 209674915 U CN209674915 U CN 209674915U CN 201920757821 U CN201920757821 U CN 201920757821U CN 209674915 U CN209674915 U CN 209674915U
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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 low smoke halogen-free fire retardant fire resistant cable, including cable core, it further include low-smoke halogen-free flame-retardant sheath layer, fire-retardant band, cable core, flame retardant filler, flame retardant coating, insulating layer, flame-retardant layer, explosion-proof layer and shielded layer, one layer of flame retardant coating of outer cladding of the cable core, one layer insulating of flame retardant coating outer cladding, flame retardant filler is filled between every cable core, one layer of fire-retardant band is wrapped up outside 5 cable cores, one layer of explosion-proof layer is wrapped up outside the fire-retardant band, one layer of flame-retardant layer is wrapped up outside the explosion-proof layer, one layer of low-smoke halogen-free flame-retardant sheath layer is wrapped up outside the flame-retardant layer, one layer of shielded layer is wrapped up outside the low-smoke halogen-free flame-retardant sheath layer.The utility model close structure, is formed using MULTILAYER COMPOSITE, and wherein insulating layer uses EP rubbers, humidity, resistance to oxidation；It is successively arranged flame retardant coating, insulating layer, fire-retardant band, explosion-proof layer, flame-retardant layer and shielded layer between cable core and shielded layer, there is good anti-flammability and fire resistance.
Description
Technical field
The utility model relates to field of cable technology more particularly to a kind of low smoke halogen-free fire retardant fire resistant cables.
Background technique
In recent years, in the electric system fire incident in global range, lead to electric system since power cable catches fire
The ratio of power failure is on the rise.Therefore there are a large amount of electrical equipments and cluster laying largely electric in power plant, substation etc.
The place of cable prevents fire spreading using flame retardant cable, guarantees that the uninterrupted power supply in important circuit seems increasingly using fire-resisting cable
It is important.But a large amount of dense smoke and halogen acid gas can be discharged in cable fire, halogen acid gas has corruption to the electrical equipment of surrounding
Corrosion harm, rescue personnel, which needs to take breathing mask, to put out a fire close to scene.It is electrically set when cable fire to surrounding
Standby and rescue personnel causes damages, and is unfavorable for rescue work of extinguishing fire.
Utility model content
The utility model is to solve disadvantage present in current background technique, provides a kind of low smoke halogen-free fire retardant fire resistant electricity
Cable, including cable core, further include low-smoke halogen-free flame-retardant sheath layer, fire-retardant band, cable core, flame retardant filler, flame retardant coating, insulating layer,
Flame-retardant layer, explosion-proof layer and shielded layer, one layer of flame retardant coating of outer cladding of the cable core, one layer insulating of flame retardant coating outer cladding,
The cable core is equipped with 5, and flame retardant filler is filled between every cable core, and one layer of package is fire-retardant outside 5 cable cores
Band, the fire-retardant band wrap up one layer of explosion-proof layer outside, and one layer of flame-retardant layer, package outside the flame-retardant layer are wrapped up outside the explosion-proof layer
One layer of low-smoke halogen-free flame-retardant sheath layer, the low-smoke halogen-free flame-retardant sheath layer wrap up one layer of shielded layer outside.
The utility model is further described, the fire-retardant band material is fireproof silica gel material.
The utility model is further described, it is the low-smoke halogen-free flame-retardant sheath layer, fire-retardant band, flame-retardant layer, explosion-proof
Layer is identical as the thickness of shielded layer, and thickness is 0.8-1.3 millimeters.
The utility model is further described, the explosion-proof layer is low smoke and zero halogen layer of polyurethane.
The utility model is further described, the insulating layer uses EP rubbers material.
The utility model is further described, the flame retardant filler material is alkali-free glass fibre material.
The utility model is further described, the shielded layer is coated by the way of continuous covering or metal wire knitted
On the outside of the low-smoke halogen-free flame-retardant sheath layer.
The utility model is further described, the flame retardant coating is Ceramic silicon rubber layer.
The utility model is further described, the outer layer of each insulating layer is coated with different colors convenient for distinguishing.
By adopting the above technical scheme, it has the following beneficial effects:
The utility model close structure, is formed using MULTILAYER COMPOSITE, and wherein insulating layer uses EP rubbers, humidity, resistance to
Oxidation；It is successively arranged flame retardant coating, insulating layer, fire-retardant band, explosion-proof layer, flame-retardant layer and shielded layer between cable core and shielded layer, has
Have good anti-flammability and fire resistance, prevent cable overall structure it is heated deformation occurs, when burning, which does not generate, halogen has poison gas
Body, only a small amount of smog reduce the injury to human body.Explosion-proof layer uses low smoke and zero halogen polyurethane as explosion-proof layer, thus real
Show in the case where cable carries out inspection maintenance, the safety of staff can be effectively protected, has made to cause due to operation error
Spark, electric arc and high fever temperature reviewer is not damaged or is set off an explosion, can be effective in the case where general explosion
Protection insulated wire cores it is injury-free, and then efficiently solve small range explode occur when cable due to insulation rupture cause to lead to
Believe unsmooth problem；In the case where cable carries out inspection maintenance, the safety of personnel can be effectively protected, make due to operation error
Caused by spark, electric arc and high fever temperature reviewer is not damaged or is set off an explosion, for the ease of using, each cable core
Insulating layer is coated with different colors, for distinguishing the split-phase of each cable core.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 1- low-smoke halogen-free flame-retardant sheath layer；The fire-retardant band of 2-；3- cable core；4- flame retardant filler；5- flame retardant coating；6-
Insulating layer；7- flame-retardant layer；8- explosion-proof layer；9- shielded layer.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Embodiment 1: a kind of low smoke halogen-free fire retardant fire resistant cable as shown in Figure 1, including cable core 3, further include low smoke and zero halogen
Flame retardant sheath layer 1, fire-retardant band 2, cable core 3, flame retardant filler 4, flame retardant coating 5, insulating layer 6, flame-retardant layer 7, explosion-proof layer 8 and shielding
Layer 9, one layer of flame retardant coating 5 of outer cladding of the cable core 3,5 outer cladding of flame retardant coating, one layer insulating 6, the cable core 3 are equipped with 5
Item, it is described filled with wrapping up one layer of fire-retardant band 2 outside flame retardant filler 4,5 cable cores 3 between every cable core 3
One layer of explosion-proof layer 8 is wrapped up outside fire-retardant band 2, and one layer of flame-retardant layer 7, one layer of package outside the flame-retardant layer 7 are wrapped up outside the explosion-proof layer 8
Low-smoke halogen-free flame-retardant sheath layer 1, the low-smoke halogen-free flame-retardant sheath layer 1 wrap up one layer of shielded layer 9, fire-retardant 2 material of band outside
Matter is fireproof silica gel material, the low-smoke halogen-free flame-retardant sheath layer 1, fire-retardant band 2, flame-retardant layer 7, explosion-proof layer 8 and shielded layer 9
Thickness is identical, and thickness is 0.8-1.3 millimeters, and the explosion-proof layer 8 is low smoke and zero halogen layer of polyurethane, and the insulating layer 6 uses second
Third rubber material, 4 material of flame retardant filler are alkali-free glass fibre material, and the shielded layer 9 is using continuous covering or gold
The mode for belonging to silk braiding is coated on 1 outside of low-smoke halogen-free flame-retardant sheath layer, and the flame retardant coating 5 is Ceramic silicon rubber layer,
The outer layer of each insulating layer 6 is coated with different colors convenient for distinguishing.
The utility model close structure, is formed using MULTILAYER COMPOSITE, and wherein insulating layer 6 uses EP rubbers, humidity, resistance to
Oxidation；Flame retardant coating 5, insulating layer 6, fire-retardant band 2, explosion-proof layer 8, flame-retardant layer 7 and screen are successively arranged between cable core 3 and shielded layer 9
Cover layer 9, there is good anti-flammability and fire resistance, prevent cable overall structure it is heated deformation occurs, when burning, does not generate halogen
Toxic gas, only a small amount of smog reduces injury to human body.Explosion-proof layer 8 is using low smoke and zero halogen polyurethane as explosion-proof
Layer 8, to realize in the case where cable carries out inspection maintenance, can be effectively protected the safety of staff, make due to behaviour
Spark, electric arc caused by making mistakes and high fever temperature are not damaged or are set off an explosion to reviewer, in the feelings generally exploded
Under condition, it is injury-free that insulated wire cores can be effectively protected, so efficiently solve small range explode occur when cable due to exhausted
Edge rupture causes to communicate unsmooth problem；In the case where cable carries out inspection maintenance, the safety of personnel can be effectively protected, make
Spark, electric arc as caused by operation error and high fever temperature are not damaged or are set off an explosion to reviewer, for the ease of
It uses, the insulating layer 6 of each cable core 3 is coated with different colors, for distinguishing the split-phase of each cable core 3.
The foregoing describe the basic principles and main features of the utility model, It should be understood by those skilled in the art that this
Utility model is not restricted to the described embodiments, and the above embodiments and description only describe the originals of the utility model
Reason, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various changes and improvements, these changes
Change and improvement is fallen within the scope of the claimed invention, range is claimed by the attached claims in utility model
Book and its equivalent thereof.
Claims (9)
1. a kind of low smoke halogen-free fire retardant fire resistant cable, including cable core, which is characterized in that further include low-smoke halogen-free flame-retardant sheath layer,
Fire-retardant band, cable core, flame retardant filler, flame retardant coating, insulating layer, flame-retardant layer, explosion-proof layer and shielded layer, the outer cladding of the cable core
One layer of flame retardant coating, one layer insulating of flame retardant coating outer cladding, the cable core are equipped with 5, fill between every cable core
There is flame retardant filler, one layer of fire-retardant band is wrapped up outside 5 cable cores, one layer of explosion-proof layer is wrapped up outside the fire-retardant band, it is described
One layer of flame-retardant layer is wrapped up outside explosion-proof layer, and one layer of low-smoke halogen-free flame-retardant sheath layer, the low smoke and zero halogen resistance are wrapped up outside the flame-retardant layer
It fires and wraps up one layer of shielded layer outside restrictive coating.
2. a kind of low smoke halogen-free fire retardant fire resistant cable according to claim 1, which is characterized in that the fire-retardant band material
For fireproof silica gel material.
3. a kind of low smoke halogen-free fire retardant fire resistant cable according to claim 1, which is characterized in that the low-smoke non-halogen flame-retardant
Restrictive coating, fire-retardant band, flame-retardant layer, explosion-proof layer are identical as the thickness of shielded layer, and thickness is 0.8-1.3 millimeters.
4. a kind of low smoke halogen-free fire retardant fire resistant cable according to claim 1, which is characterized in that the explosion-proof layer is low cigarette
Halogen layer of polyurethane.
5. a kind of low smoke halogen-free fire retardant fire resistant cable according to claim 1, which is characterized in that the insulating layer uses second
Third rubber material.
6. a kind of low smoke halogen-free fire retardant fire resistant cable according to claim 1, which is characterized in that the flame retardant filler material
Matter is alkali-free glass fibre material.
7. a kind of low smoke halogen-free fire retardant fire resistant cable according to claim 1, which is characterized in that the shielded layer is using company
The mode of continuous covering or metal wire knitted is coated on the outside of the low-smoke halogen-free flame-retardant sheath layer.
8. a kind of low smoke halogen-free fire retardant fire resistant cable according to claim 1, which is characterized in that the flame retardant coating is ceramics
SiClx rubber layer.
9. a kind of low smoke halogen-free fire retardant fire resistant cable according to claim 1, which is characterized in that each insulating layer
Outer layer is coated with different colors convenient for distinguishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920757821.8U CN209674915U (en) | 2019-05-24 | 2019-05-24 | A kind of low smoke halogen-free fire retardant fire resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920757821.8U CN209674915U (en) | 2019-05-24 | 2019-05-24 | A kind of low smoke halogen-free fire retardant fire resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209674915U true CN209674915U (en) | 2019-11-22 |
Family
ID=68575332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920757821.8U Active CN209674915U (en) | 2019-05-24 | 2019-05-24 | A kind of low smoke halogen-free fire retardant fire resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209674915U (en) |
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2019
- 2019-05-24 CN CN201920757821.8U patent/CN209674915U/en active Active
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