CN208607948U - A kind of fixed wiring flame resistant cable - Google Patents
A kind of fixed wiring flame resistant cable Download PDFInfo
- Publication number
- CN208607948U CN208607948U CN201821394331.8U CN201821394331U CN208607948U CN 208607948 U CN208607948 U CN 208607948U CN 201821394331 U CN201821394331 U CN 201821394331U CN 208607948 U CN208607948 U CN 208607948U
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- flame
- retardant coating
- flame retardant
- sheath
- fixed wiring
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Abstract
The utility model discloses a kind of fixed wiring flame resistant cables, comprising: two strands of conductors；Coat the flame retardant coating of the per share conductor；Coat the flame-resistant insulation layer of each flame retardant coating；The sheath flame retardant coating of the outsourcing two flame-resistant insulation layers；The mineral fibres rope being filled between the sheath flame retardant coating and the flame-resistant insulation layer；Coat the restrictive coating of the sheath flame retardant coating.The utility model has good fire-retardant, fire resistance.
Description
Technical field
The utility model relates to cables.
Background technique
Cable is widely used in all trades and professions, has many classifications.Densely populated place public place (school, hospital etc.) disappears
In the case that electric line place arround of anti-, elevator or other special installations catches fire, if not can guarantee in certain time
Normal work, then the personnel being very likely to cause in place can not withdraw in time, fire-fighting equipment can not work normally, and influence
The implementation of fire-fighting and rescue measure.Therefore, in crowded place, to fire resistant flame retardant electric wire, continued power ability is wanted in a fire
Ask higher and higher.
Summary of the invention
A kind of fixed wiring flame-retardant electricity is provided the purpose of the utility model is to overcome the defect of the prior art
Cable has good fire-retardant, fire resistance.
Realizing the technical solution of above-mentioned purpose is:
A kind of fixed wiring flame resistant cable, comprising:
Two strands of conductors；
Coat the flame retardant coating of the per share conductor；
Coat the flame-resistant insulation layer of each flame retardant coating；
The sheath flame retardant coating of the outsourcing two flame-resistant insulation layers；
The mineral fibres rope being filled between the sheath flame retardant coating and the flame-resistant insulation layer；And
Coat the restrictive coating of the sheath flame retardant coating.
Preferably, it is the single side calcining mica tape and not small with Duplication of 0.12mm that the flame retardant coating, which uses two layers of thickness,
In 40% mode on the outer surface of the conductor.
Preferably, the flame-resistant insulation layer uses cross-linking radiation polyolefin, and is extruded on the outer surface of the flame retardant coating,
Thickness >=0.6mm of the flame-resistant insulation layer.
Preferably, the sheath flame retardant coating use a layer thickness be 0.12mm single side calcine mica tape and with Duplication not
Less than 40% mode on the outer surface of the mineral fibres rope.
Preferably, the restrictive coating using polyolefin and is extruded on the outer surface of the sheath flame retardant coating, the restrictive coating
Thickness >=0.6mm.
The beneficial effects of the utility model are: the utility model is designed by effective structure, have good fire-retardant, resistance to
Fiery performance still is able to keep the normal operation of certain time after fire generation, guarantees fire line road transport row, give rescue work band
To help.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the fixed wiring flame resistant cable of the utility model.
Specific embodiment
Below in conjunction with attached drawing, the utility model is described in further detail.
Referring to Fig. 1, the fixed wiring flame resistant cable of the utility model, comprising: two strands of conductors 1, flame retardant coating 2,
Flame-resistant insulation layer 3, mineral fibres rope 4, sheath flame retardant coating 5 and restrictive coating 6.
Flame retardant coating 2 coats per share conductor 1, and using two layers of thickness is that the single side of 0.12mm calcines mica tape and with Duplication
Mode not less than 40% is on the outer surface of conductor 1.
Flame-resistant insulation layer 3 coats each flame retardant coating 2, using cross-linking radiation polyolefin, and is extruded in the outer surface of flame retardant coating 2
On, thickness >=0.6mm of flame-resistant insulation layer 3.
Sheath flame retardant coating 5 outsourcing, two flame-resistant insulation layers 3, mineral fibres rope 4 are filled in sheath flame retardant coating 5 and flame-resistant insulation
Between layer 3.Sheath flame retardant coating 5 uses the single side that a layer thickness is 0.12mm to calcine mica tape and is not less than 40% with Duplication
Mode is on the outer surface of mineral fibres rope 4.Mineral fibres rope 4 makes the construction of cable keep close rounding after filling.
Restrictive coating 6 is simultaneously extruded on the outer surface of sheath flame retardant coating 5 using polyolefin, and the thickness of the restrictive coating 6 >=
0.6mm。
Flame-resistant insulation layer 3 should be subjected to metering after squeezing out be 15~18MRAD cross-linking radiation, the cable volume after being irradiated crosslinking
Determining temperature can reach 105 DEG C.The utility model flame-retarding characteristic reaches the fire-retardant A class of GB/T 19666-2005, burns for the fiery time
Under 40min, the length maximum distance being carbonized on electric wire is not more than away from 2.5m on nozzle bottom edge.Fire-resistance property reaches GB/T
The requirement of 19666-2005 fire resistance, 15 minutes cooling for fiery time 90min, under rated voltage, 2A fuse is continuous for electric wire；
Indicator light is not put out.
Above embodiments are only for illustration of the utility model, rather than limitations of the present invention, related technical field
Technical staff can also make various transformation or modification in the case where not departing from the spirit and scope of the utility model, because
This all equivalent technical solution also should belong to the scope of the utility model, should be limited by each claim.
Claims (5)
1. a kind of fixed wiring flame resistant cable characterized by comprising
Two strands of conductors；
Coat the flame retardant coating of the per share conductor；
Coat the flame-resistant insulation layer of each flame retardant coating；
The sheath flame retardant coating of the outsourcing two flame-resistant insulation layers；
The mineral fibres rope being filled between the sheath flame retardant coating and the flame-resistant insulation layer；And
Coat the restrictive coating of the sheath flame retardant coating.
2. fixed wiring flame resistant cable according to claim 1, which is characterized in that the flame retardant coating uses two layers
Thickness is that the single side of 0.12mm calcines mica tape and in such a way that Duplication is not less than 40% around the appearance of the conductor
On face.
3. fixed wiring flame resistant cable according to claim 1, which is characterized in that the flame-resistant insulation layer uses
Cross-linking radiation polyolefin, and be extruded on the outer surface of the flame retardant coating, thickness >=0.6mm of the flame-resistant insulation layer.
4. fixed wiring flame resistant cable according to claim 1, which is characterized in that the sheath flame retardant coating uses
The single side that a layer thickness is 0.12mm calcines mica tape and in such a way that Duplication is not less than 40% around the mineral fibres
On the outer surface of rope.
5. fixed wiring flame resistant cable according to claim 1, which is characterized in that the restrictive coating uses polyene
Hydrocarbon is simultaneously extruded on the outer surface of the sheath flame retardant coating, thickness >=0.6mm of the restrictive coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821394331.8U CN208607948U (en) | 2018-08-28 | 2018-08-28 | A kind of fixed wiring flame resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821394331.8U CN208607948U (en) | 2018-08-28 | 2018-08-28 | A kind of fixed wiring flame resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208607948U true CN208607948U (en) | 2019-03-15 |
Family
ID=65680146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821394331.8U Active CN208607948U (en) | 2018-08-28 | 2018-08-28 | A kind of fixed wiring flame resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208607948U (en) |
-
2018
- 2018-08-28 CN CN201821394331.8U patent/CN208607948U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |