CN208570169U - Fire-resisting cable - Google Patents
Fire-resisting cable Download PDFInfo
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- CN208570169U CN208570169U CN201820816200.8U CN201820816200U CN208570169U CN 208570169 U CN208570169 U CN 208570169U CN 201820816200 U CN201820816200 U CN 201820816200U CN 208570169 U CN208570169 U CN 208570169U
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- layer
- fire
- resisting cable
- filler
- twisted pair
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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 provides a kind of fire-resisting cable, including more twisted pairs, ground wire, thermal insulation layer, waterproof layer, flame-retardant layer and restrictive coating.Filler is equipped with around every twisted pair.Ground wire is set in filler.Thermal insulation layer coats more twisted pairs and ground wire, and thermal insulation layer includes multiple air bags, is filled with gas in air bag.Waterproof layer is set between thermal insulation layer and flame-retardant layer, and flame-retardant layer is set between waterproof layer and restrictive coating.Fire-resisting cable provided by the utility model is not easy to catch fire.
Description
Technical field
The utility model relates to field of cable technology, relate more specifically to a kind of fire-resisting cable.
Background technique
Some fire resistings for being mainly used for the indoor cable such as computer room or family, heatproof and flame retardant property are extremely important.Work as electricity
The insulating layer of cable is destroyed, and the insulating layer between inner conductor and inner conductor, between inner conductor and outer conductor can be caused breakdown,
Electric arc is generated, so as to cause burning.Toxic gas caused by insulating layer burns greatly compromises the health of human body again.
Utility model content
The utility model in order to overcome the prior art at least one is insufficient, a kind of fire-resisting cable is provided.
To achieve the goals above, the utility model provides a kind of fire-resisting cable, including more twisted pairs, ground wire, heat-insulated
Layer, waterproof layer, flame-retardant layer and restrictive coating.Filler is equipped with around every twisted pair.Ground wire is set in filler.Thermal insulation layer packet
More twisted pairs and ground wire are covered, thermal insulation layer includes multiple air bags, is filled with gas in air bag.Waterproof layer is set to thermal insulation layer and fire-retardant
Between layer, flame-retardant layer is set between waterproof layer and restrictive coating.
Optionally, fire-resisting cable further includes shielded layer, and shielded layer is set between thermal insulation layer and waterproof layer, and shielded layer is aluminium
Foil, the diameter range of shielded layer are 19mm~21mm.
Optionally, tear line is embedded on the outside of shielded layer, tear line is strand type tear line.
Optionally, filler is asbestos.
Optionally, every twisted pair includes annealed copper wire, and the diameter range of annealed copper wire is 0.50mm~0.52mm.
Optionally, twisted pair further includes the first insulating layer, and the first insulating layer is set between annealed copper wire and filler, and first
Insulating layer is high-density polyethylene layer.
Optionally, twisted pair further includes erosion resistant coating, and erosion resistant coating is set between annealed copper wire and the first insulating layer.
Optionally, ground wire includes copper-clad aluminum conductor and second insulating layer, second insulating layer be set to copper-clad aluminum conductor and filler it
Between, the diameter range of copper-clad aluminum conductor is 0.39mm~0.41mm.
Optionally, restrictive coating is polyvinyl chloride layer, and decabromodiphenylethane, decabromodiphenylethane are distributed in polyvinyl chloride layer
Quality account for polyvinyl chloride layer quality 4%~6%.
Optionally, twisted pair has four.
In conclusion the twisted pair and ground wire Monodispersed in fire-resisting cable provided by the utility model in filler, are incited somebody to action
Each twisted pair and ground wire separate, and prevent the direct contact of twisted pair, to reduce the risk of electric arc generation.Furthermore this
Thermal insulation layer is equipped in fire-resisting cable, the gas of air bag is the non-conductor of heat in thermal insulation layer, can be effectively isolated ambient temperature
Influence to twisted pair.Furthermore the waterproof layer in this fire-resisting cable can effectively obstruct outside water molecule and enter twisted pair, to keep away
Exempt from short circuit.This fire-resisting cable is additionally provided with flame-retardant layer, once extraneous occur fire, energy effective protection internal circuit, not by fire
It influences.Fireproof cable installs ground line additional, primarily to protection occurs in Fault of Insulating Breakdown or fireproof cable in fireproof cable
It, will not starting arc when by larger fault current.
Detailed description of the invention
Fig. 1 is the fire-resisting cable schematic diagram that the embodiments of the present invention provide.
Specific embodiment
For above and other objects, features and advantages of the utility model can be clearer and more comprehensible, preferable reality is cited below particularly
Example is applied, and cooperates attached drawing, is described in detail below.
Embodiment one
Please refer to Fig. 1.The utility model embodiment one provides a kind of fire-resisting cable, including more twisted pairs 1, ground wire 4, every
Thermosphere 6, waterproof layer 9, flame-retardant layer 11 and restrictive coating 12.Filler 5 is equipped with around every twisted pair 1.Ground wire 4 is set to filler
In 5.Thermal insulation layer 6 coats more twisted pairs 1 and ground wire 4, and thermal insulation layer 6 includes multiple air bags 7, is filled with gas in air bag 7.Waterproof
Layer 9 is set between thermal insulation layer 6 and flame-retardant layer 11, and flame-retardant layer 11 is set between waterproof layer 9 and restrictive coating 12.
The utility model embodiment one provide fire-resisting cable in twisted pair 1 and 4 Monodispersed of ground wire in filler 5,
Each twisted pair 1 and ground wire 4 are separated, the direct contact of twisted pair 1 is prevented, to reduce the risk of electric arc generation.Again
Person is equipped with thermal insulation layer 6 in this fire-resisting cable, and the gas of air bag 7 is the non-conductor of heat in thermal insulation layer 6, can be effectively isolated the external world
Influence of the environment temperature to twisted pair 1.Furthermore it is double that the waterproof layer 9 in this fire-resisting cable can effectively obstruct the entrance of outside water molecule
Twisted wire 1, to avoid short circuit.This fire-resisting cable is additionally provided with flame-retardant layer 11, can effective protection inside electricity once extraneous occur fire
Road is not influenced by fire.Fireproof cable installs ground line 4 additional, primarily in fireproof cable insulation breakdown event occurs for protection
It, will not starting arc when passing through larger fault current in barrier or fireproof cable.In this present embodiment, the gas of air bag 7 is dioxy
Change carbon, in the case of fire, balloon rupture, releasing carbon dioxide has certain help to fire extinguishing.
In this present embodiment, it can be further reduced convection current by the way that air bag 7 is staggered, to further decrease heat
Conduction.
In this present embodiment, fire-resisting cable further includes shielded layer 8, and shielded layer 8 is set between thermal insulation layer 6 and waterproof layer 9, screen
Covering layer 8 is aluminium foil, and the diameter of shielded layer 8 is 19mm.The setting of shielded layer 8 is prevented to make twisted pair 1 and extraneous signal isolation
Only extraneous signal interference has an impact twisted pair 1.
In this present embodiment, tear line is embedded on the outside of shielded layer 8, tear line is strand type tear line, during the installation process
Restrictive coating 12 can strip corresponding length according to demand, and the connection of fire-resisting cable is facilitated to install.
In this present embodiment, filler 5 is asbestos, and asbestos are the non-conductors of heat, can effectively play the work of heat-insulating, fire-preventing
With.
In this present embodiment, every twisted pair 1 includes annealed copper wire 2, and the diameter of annealed copper wire 2 is 0.50mm.Annealed copper
The stress of line 2 is partially removed, and can increase the service life of fire-resisting cable.
In this present embodiment, twisted pair 1 further includes the first insulating layer 3, and the first insulating layer 3 is set to annealed copper wire 2 and filling
Between object 5, the first insulating layer 3 is high-density polyethylene layer, and high-density polyethylene layer is dielectrically separated from ability.
In this present embodiment, twisted pair 1 further includes erosion resistant coating, erosion resistant coating be set to annealed copper wire 2 and the first insulating layer 3 it
Between, it protects annealed copper wire 2 not to be corroded, increases the service life of fire-resisting cable.
In this present embodiment, ground wire 4 includes copper-clad aluminum conductor and second insulating layer, and second insulating layer is set to copper-clad aluminum conductor and fills out
It fills between object 5, the diameter of copper-clad aluminum conductor is 0.39mm.
In this present embodiment, restrictive coating 12 is polyvinyl chloride layer, is distributed with decabromodiphenylethane 10 in polyvinyl chloride layer, ten
The quality of bromine diphenylethane 10 accounts for the 4% of the quality of polyvinyl chloride layer.Replace traditional rare earth flame resistance with decabromodiphenylethane 10
Agent, decabromodiphenylethane 10 synthesize simply, and the distribution of the raw material of rare earth flame resistance agent is less, and environmental pollution is larger.
In this present embodiment, twisted pair 1 has four, but the utility model does not do any restriction to the radical of twisted pair 1,
In other embodiments, twisted pair 1 can also be any other number.
Embodiment two
Twisted pair 1, ground wire 4, thermal insulation layer 6, waterproof layer 9, flame-retardant layer 11 and restrictive coating 12 and embodiment in embodiment two
Structure in one is as shape, and identical element is using being identically numbered, and details are not described herein, and only difference gives below
Explanation.
In this present embodiment, fire-resisting cable further includes shielded layer 8, and shielded layer 8 is set between thermal insulation layer 6 and waterproof layer 9, screen
Covering layer 8 is aluminium foil, and the diameter of shielded layer 8 is 21mm.
In this present embodiment, every twisted pair 1 includes annealed copper wire 2, and the diameter of annealed copper wire 2 is 0.52mm.
In this present embodiment, ground wire 4 includes copper-clad aluminum conductor and second insulating layer, and second insulating layer is set to copper-clad aluminum conductor and fills out
It fills between object 5, the diameter of copper-clad aluminum conductor is 0.41mm.
In this present embodiment, restrictive coating 12 is polyvinyl chloride layer, is distributed with decabromodiphenylethane 10 in polyvinyl chloride layer, ten
The quality of bromine diphenylethane 10 accounts for the 6% of the quality of polyvinyl chloride layer.
Embodiment three
Twisted pair 1, ground wire 4, thermal insulation layer 6, waterproof layer 9, flame-retardant layer 11 and restrictive coating 12 and embodiment in embodiment three
Structure in one is as shape, and identical element is using being identically numbered, and details are not described herein, and only difference gives below
Explanation.
In this present embodiment, fire-resisting cable further includes shielded layer 8, and shielded layer 8 is set between thermal insulation layer 6 and waterproof layer 9, screen
Covering layer 8 is aluminium foil, and the diameter of shielded layer 8 is 20mm.
In this present embodiment, every twisted pair 1 includes annealed copper wire 2, and the diameter of annealed copper wire 2 is 0.51mm.
In this present embodiment, ground wire 4 includes copper-clad aluminum conductor and second insulating layer, and second insulating layer is set to copper-clad aluminum conductor and fills out
It fills between object 5, the diameter of copper-clad aluminum conductor is 0.40mm.
In this present embodiment, restrictive coating 12 is polyvinyl chloride layer, is distributed with decabromodiphenylethane 10 in polyvinyl chloride layer, ten
The quality of bromine diphenylethane 10 accounts for the 5% of the quality of polyvinyl chloride layer.
It will be understood by those skilled in the art that in exposure of the invention, term " on ", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion meaning
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore above-mentioned term should not be understood as pair
The limitation of invention.
Although the utility model is disclosed above by preferred embodiment, it is not intended to limit the utility model, it is any
This known those skilled in the art can make some changes and embellishment without departing from the spirit and scope of the utility model, therefore this is practical
Novel protection scope is subject to view claims range claimed.
Claims (9)
1. a kind of fire-resisting cable characterized by comprising
More twisted pairs are equipped with filler around every twisted pair；
Ground wire is set in the filler；
Thermal insulation layer coats the filler, and the thermal insulation layer includes multiple air bags, is filled with gas in the air bag；
Waterproof layer；
Flame-retardant layer；And
Restrictive coating；
Wherein, the waterproof layer be set between the thermal insulation layer and the flame-retardant layer, the flame-retardant layer be set to the waterproof layer and
Between the restrictive coating.
2. fire-resisting cable described in accordance with the claim 1, which is characterized in that the fire-resisting cable further includes shielded layer, the screen
It covers layer to be set between the thermal insulation layer and the waterproof layer, the shielded layer is aluminium foil, and the diameter range of the shielded layer is
19mm~21mm.
3. fire-resisting cable according to claim 2, which is characterized in that it is embedded with tear line on the outside of the shielded layer, it is described to tear
Splitting line is strand type tear line.
4. fire-resisting cable described in accordance with the claim 1, which is characterized in that the filler is asbestos.
5. fire-resisting cable described in accordance with the claim 1, which is characterized in that every twisted pair includes annealed copper wire, the annealing
The diameter range of copper wire is 0.50mm~0.52mm.
6. fire-resisting cable according to claim 5, which is characterized in that the twisted pair further includes the first insulating layer, described
First insulating layer is set between the annealed copper wire and the filler, and first insulating layer is high-density polyethylene layer.
7. fire-resisting cable according to claim 6, which is characterized in that the twisted pair further includes erosion resistant coating, the anti-corrosion
Layer is set between the annealed copper wire and first insulating layer.
8. fire-resisting cable described in accordance with the claim 1, which is characterized in that the ground wire includes copper-clad aluminum conductor and the second insulation
Layer, the second insulating layer are set between the copper-clad aluminum conductor and the filler, and the diameter range of the copper-clad aluminum conductor is
0.39mm~0.41mm.
9. fire-resisting cable described in accordance with the claim 1, which is characterized in that the twisted pair has four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820816200.8U CN208570169U (en) | 2018-05-29 | 2018-05-29 | Fire-resisting cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820816200.8U CN208570169U (en) | 2018-05-29 | 2018-05-29 | Fire-resisting cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208570169U true CN208570169U (en) | 2019-03-01 |
Family
ID=65483047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820816200.8U Active CN208570169U (en) | 2018-05-29 | 2018-05-29 | Fire-resisting cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208570169U (en) |
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2018
- 2018-05-29 CN CN201820816200.8U patent/CN208570169U/en active Active
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