CN206179570U - Fireproof flame -retardant cable - Google Patents
Fireproof flame -retardant cable Download PDFInfo
- Publication number
- CN206179570U CN206179570U CN201621311215.6U CN201621311215U CN206179570U CN 206179570 U CN206179570 U CN 206179570U CN 201621311215 U CN201621311215 U CN 201621311215U CN 206179570 U CN206179570 U CN 206179570U
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- CN
- China
- Prior art keywords
- fire
- layer
- flame retarding
- protection flame
- fire protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a fireproof flame -retardant cable, set up the filling layer between lag and sinle silk including sinle silk, lag and packing, the outer wall edge cable shaft of filling layer is equipped with a plurality of arrangement holes to the spiral extension and the screw pitch is established to 20cm~50cm, and each settles the downthehole thunder of putting out a fire of having installed respectively, just the sinle silk includes the conductor respectively and by wrapping up sinle silk insulating layer and the two at least asbestos gauge layers outside the conductor outside interior the reaching, it has the fire -retardant granule of fire prevention to go back the equipartition between the two adjacent asbestos gauge layers. Burn when the fire and can light the thunder of putting out a fire when the filling layer cooperates the interface with the lag, respond the condition of a fire in the shortest time to the form drive of the explosion powder of putting out a fire makes it to strike scattering suspension adhesion and covers and put out a fire on cable burning point or burning zone, puts out a fire rapidly, and coverage area is wide, and is effectual, thereby makes the inside not fire surface gesture burning of sinle silk of cable. Wrap up in the asbestos gauge layer and prevent fires the fire -retardant granule fire prevention flame retardant efficiency of reinforced core greatly in the sinle silk outsourcing in addition.
Description
Technical field
The utility model is related to cable product technical field, more particularly to a kind of fire protection flame retarding cable.
Background technology
With the raising and the quickening of Chinese society economic construction paces of people's environmental consciousness, LSOH anti-flaming is heat-resisting anti-
Thermoelectricity cable is widely used in the important departments such as oil, petrochemical industry, skyscraper, subway, power plant, nuclear power station, tunnel and people
The intensive public place of mouth, when a fire, cable run can within a certain period of time keep normal operation, while cable fires
Corrosive gas is not discharged during burning, and translucency is good, and rescue work is very helpful, and can largely subtract
Few casualties and damage to property.But, existing low smoke and zero halogen fire protection flame retarding cable is needed by insider when there is the condition of a fire
Member's very first time is on the scene and puts out a fire at top speed, even if remain on soon cable fire can be caused for a period of time again, this period
The loss for causing can also may be difficult to estimate.
Utility model content
It is the technological deficiency for overcoming prior art to exist, the utility model provides a kind of fire protection flame retarding cable, can be most
The response condition of a fire is simultaneously put out a fire at top speed in short time, and flare can be avoided to spread to destroy core within cable protective kit.
The utility model use technical solution be：
A kind of fire protection flame retarding cable, including core, protective jacket and the packed layer that is filled between protective jacket and core,
The packed layer outside wall surface is provided with some placement holes along the extension of cable axial screw and screw pitch is set to 20cm~50cm, each peace
Put and be equiped with fire-extinguishing mine in hole respectively, and the core includes conductor and the core insulation being from inside to outside wrapped in outside conductor respectively
Layer and at least two asbestos stratum reticulares, fire protection flame retarding particle is also evenly equipped between adjacent two asbestos stratum reticulare.
Preferably, the fire protection flame retarding particle includes antimony oxide particle, magnesium hydroxide particle or aluminum hydroxide particles.
Preferably, the protective jacket is from inside to outside sequentially provided with crosslinked polyetylene insulated layer, Mica tape layer, carbon fiber
Screen layer and low-smoke halogen-free polyolefin restrictive coating, the crosslinked polyetylene insulated layer coat packed layer and crosslinked polyetylene insulated
Layer inner face is provided with the helicla flute being adapted with fire-extinguishing mine.
Preferably, packed layer is alkali-free glass fibre packed layer.
Preferably, the fire-extinguishing mine includes powdery structure housing, apparatus to cause bursting and is sealingly disposed in powdery structure housing
The blasting charge and safe gas bag, the apparatus to cause bursting include fuse cord and detonator, the detonator is stretched into the blasting charge, described to lead fire
Inner connection detonator and the safe gas bag of rope, the outer end of the fuse cord stretch out powdery structure housing it is outer and positioned at protective jacket with fill out
Fill layer and be engaged face.
Preferably, the blasting charge is by orthodox explosive powder and packs the waterproof paper outside orthodox explosive powder and constitutes, described
Safe gas bag is by safe compressed gas and packs the high-intensity fiber textile bags of safe compressed gas and constitutes.
The beneficial effects of the utility model：Due to being provided with some placement holes extended along cable axial screw in packed layer,
The helicla flute corresponding with each placement hole is provided with protective jacket internal layer, and fire-extinguishing mine is disposed between placement hole and helicla flute, by
This can light fire-extinguishing mine when fire burning to packed layer and protective jacket coordinates interface, and the condition of a fire can be responded within the shortest time, with
The form of blast drives fire extinguishing powder, is allowed to impact scattering suspension adhesion and is covered in fire extinguishing on cable fire point or burning zone, goes out
Fiery rapid, area coverage is wide, and effect is good, so that the core inside cable is not burnt by the intensity of a fire.Further, since core outsourcing
At least two asbestos stratum reticulares are wrapped with, fire protection flame retarding particle is provided between adjacent asbestos stratum reticulare, the fire protection flame retarding of core can be greatly reinforced
Effect.In addition, setting Mica tape layer and carbon fiber shielding layer simultaneously can improve the temperature resistant grade of the utility model protective jacket.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model placement hole in packed layer peripheral disposition schematic diagram.
Fig. 3 is the utility model core structure schematic diagram.
Fig. 4 is the utility model fire-extinguishing mine structural representation.
Description of reference numerals：
10th, core；11st, core insulating barrier；12nd, asbestos stratum reticulare；13rd, fire protection flame retarding particle；20th, helicla flute；21st, it is crosslinked poly-
Ethene insulating barrier；22nd, Mica tape layer；23rd, carbon fiber shielding layer；24th, low-smoke halogen-free polyolefin restrictive coating；30th, packed layer；
31st, placement hole；40th, fire-extinguishing mine；41st, powdery structure housing；42nd, apparatus to cause bursting；43rd, the blasting charge；44th, safe gas bag.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As Figure 1-4, the present embodiment provides a kind of fire protection flame retarding cable, including core 10, protective jacket and is filled with
Packed layer 30 between protective jacket and core 10.
In the present embodiment, the core 10 includes conductor and the core insulating barrier being from inside to outside wrapped in outside conductor respectively
11 and at least two asbestos stratum reticulares 12, also it is evenly equipped with fire protection flame retarding particle 13, the fire protection flame retarding between adjacent two asbestos stratum reticulare 12
Particle 13 includes antimony oxide particle, magnesium hydroxide particle or aluminum hydroxide particles, the diameter of the fire protection flame retarding particle 13
Size is 0.1mm~0.2mm.Be a thermal conductivity low inert diluent when asbestos are below 900 DEG C, but 900 DEG C~
At 1400 DEG C, asbestos can disengage the crystallization water, and when more than 1400 DEG C, asbestos can change the endothermic reaction of chemical constitution, and
It is excellent such that it is able to play and some of asbestos component is also possible to be reacted to each other with some thermal degradation products of high polymer
Flame retardant effect.Fire protection flame retarding particle 13 is additionally provided with the cable simultaneously, can further strengthen the fireproofing of cable flame retardant effect,
And being preferably attached on asbestos stratum reticulare 12 for the fire protection flame retarding particle 13 of certain fineness, prevent from coming off.
In the present embodiment, the protective jacket is from inside to outside sequentially provided with crosslinked polyetylene insulated layer 21, Mica tape
Layer 22, carbon fiber shielding layer 23 and low-smoke halogen-free polyolefin restrictive coating 24, the crosslinked polyetylene insulated layer 21 coat packed layer
30, the packed layer 30 is alkali-free glass fibre packed layer.The heatproof of mica is up to 1300 DEG C, and the heatproof of carbon fiber is 2000
More than DEG C, while setting Mica tape layer 22 and carbon fiber shielding layer 23 can improve the temperature resistant grade of the present embodiment protective jacket,
Carbon fiber is non-fusible at high temperature simultaneously, is not dissolved in various solvents, and corrosion-resistant, the coefficient of expansion is small, and service life is high, uses
Carbon fiber carrys out wrapped mica tape, further increases the fire resistance of cable.Other carbon fiber shielding layer 23 may also function as shielding
Effect, the electromagnetic interference outside reduction increases the tensile strength of protective jacket, and does not influence the softness of cable.
In the present embodiment, the outside wall surface of the packed layer 30 is provided with some placement holes 31 and spiral shell along the extension of cable axial screw
Rotation pitch is set to be equiped with fire-extinguishing mine 40 respectively in 20cm~50cm, each placement hole 31.In the crosslinked polyetylene insulated layer 21
Face is provided with the helicla flute 20 being adapted with fire-extinguishing mine 40, and the helicla flute 20 can coordinate with the placement hole 31 of corresponding position to be fixed
The good position of fire-extinguishing mine 40.The present embodiment the spiral spacer of fire-extinguishing mine 40 arrangement, can to cable periphery any point abnormal conditions and
When respond and put out a fire, prevent fire spreading from destroying normal work circuit to core 10.
In the present embodiment, the fire-extinguishing mine 40 includes powdery structure housing 41, apparatus to cause bursting 42 and is sealingly disposed in powder
The blasting charge 43 and safe gas bag 44 in the construction housing 41 of end, the apparatus to cause bursting 42 include fuse cord and detonator, the detonator
Stretch into the blasting charge 43, inner connection detonator and the safe gas bag 44 of the fuse cord, powder is stretched out in the outer end of the fuse cord
Construction housing 41 is outer and is engaged face with packed layer 30 positioned at protective jacket.Wherein, the blasting charge 43 is by orthodox explosive powder and close
Waterproof paper composition outside package dress orthodox explosive powder, the safe gas bag 44 is by safe compressed gas and packs safe compression
The high-intensity fiber textile bags composition of gas, the powdery structure housing 41 is fully mixed by mudstone block is size-reduced with sodium chloride solution
Close moistening, again drying, mill make 5 μm~20 μm it is powdered, then add a small amount of carboxymethylcellulose calcium or other chemistry viscous
Knot agent is made.When fire burning to protective jacket and 30 interface of packed layer, fuse cord is lighted in flare contact so that the He of safe gas bag 44
The blasting charge 43 explodes, with explode in the form of drive fire extinguishing powder, be allowed to impact scattering suspension adhesion be covered in cable fire point or
Put out a fire on burning zone, fire extinguishing is rapid, area coverage is wide, and effect is good.
The general principle and principal character and advantages of the present invention of the invention has been shown and described above, the industry
Technical staff it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification only
It is to illustrate principle of the present utility model, on the premise of the invention spirit and scope are not departed from, the utility model also has
Various changes and modifications, these changes and improvements are both fallen within the range of claimed the utility model, the utility model requirement
Protection domain is by appending claims and its equivalent thereof.
Claims (6)
1. a kind of fire protection flame retarding cable, it is characterised in that including core, protective jacket and be filled between protective jacket and core
Packed layer, the packed layer outside wall surface extend along cable axial screw be provided with some placement holes and screw pitch be set to 20cm~
Fire-extinguishing mine is equiped with 50cm, each placement hole respectively, and the core includes conductor and is from inside to outside wrapped in outside conductor respectively
Core insulating barrier and at least two asbestos stratum reticulares, be also evenly equipped with fire protection flame retarding particle between adjacent two asbestos stratum reticulare.
2. fire protection flame retarding cable according to claim 1, it is characterised in that the fire protection flame retarding particle includes three oxidations two
Antimony particle, magnesium hydroxide particle or aluminum hydroxide particles.
3. fire protection flame retarding cable according to claim 1, it is characterised in that the protective jacket is from inside to outside sequentially provided with friendship
Connection polyethylene layer, Mica tape layer, carbon fiber shielding layer and low-smoke halogen-free polyolefin restrictive coating, the crosslinked polyethylene
Insulating barrier coats packed layer and the helicla flute being adapted with fire-extinguishing mine is provided with crosslinked polyetylene insulated layer inner face.
4. fire protection flame retarding cable according to claim 1, it is characterised in that the packed layer is alkali-free glass fibre filling
Layer.
5. the fire protection flame retarding cable according to any one of Claims 1-4, it is characterised in that the fire-extinguishing mine includes powder
Construction housing, apparatus to cause bursting and the blasting charge and safe gas bag that are sealingly disposed in powdery structure housing, the apparatus to cause bursting bag
Fuse cord and detonator are included, the detonator is stretched into the blasting charge, inner connection detonator and the safe gas bag of the fuse cord are described to lead
The outer end of fiery rope is stretched out outside powdery structure housing and is engaged face with packed layer positioned at protective jacket.
6. fire protection flame retarding cable according to claim 5, it is characterised in that the blasting charge is by orthodox explosive powder and sealing
Waterproof paper composition outside packaging orthodox explosive powder, the safe gas bag is by safe compressed gas and packs safe compressed gas
High-intensity fiber textile bags composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621311215.6U CN206179570U (en) | 2016-12-02 | 2016-12-02 | Fireproof flame -retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621311215.6U CN206179570U (en) | 2016-12-02 | 2016-12-02 | Fireproof flame -retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206179570U true CN206179570U (en) | 2017-05-17 |
Family
ID=60242240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621311215.6U Expired - Fee Related CN206179570U (en) | 2016-12-02 | 2016-12-02 | Fireproof flame -retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206179570U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437557A (en) * | 2020-04-30 | 2020-07-24 | 李丹 | Ultra-high temperature resistant self-extinguishing protection structure |
| CN114141416A (en) * | 2021-11-30 | 2022-03-04 | 河北麟达铝合金线材有限公司 | Fireproof cable |
| CN117558501A (en) * | 2023-11-13 | 2024-02-13 | 哈尔滨交联电力电缆制造有限公司 | Fire-resistant cable |
-
2016
- 2016-12-02 CN CN201621311215.6U patent/CN206179570U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437557A (en) * | 2020-04-30 | 2020-07-24 | 李丹 | Ultra-high temperature resistant self-extinguishing protection structure |
| CN114141416A (en) * | 2021-11-30 | 2022-03-04 | 河北麟达铝合金线材有限公司 | Fireproof cable |
| CN114141416B (en) * | 2021-11-30 | 2023-11-28 | 河北麟达铝合金线材有限公司 | Fireproof cable |
| CN117558501A (en) * | 2023-11-13 | 2024-02-13 | 哈尔滨交联电力电缆制造有限公司 | Fire-resistant cable |
| CN117558501B (en) * | 2023-11-13 | 2024-05-07 | 哈尔滨交联电力电缆制造有限公司 | Fire-resistant cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20191202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |