CN207250205U - A kind of fire resistant cable - Google Patents
A kind of fire resistant cable Download PDFInfo
- Publication number
- CN207250205U CN207250205U CN201721143813.1U CN201721143813U CN207250205U CN 207250205 U CN207250205 U CN 207250205U CN 201721143813 U CN201721143813 U CN 201721143813U CN 207250205 U CN207250205 U CN 207250205U
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- fire resistant
- fire
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- cable
- insulating layer
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Abstract
The utility model belongs to electric line clothing arts, is related to a kind of fire resistant cable, which includes：The cable core formed is twisted, be coated on the outside of the cable core and is filled in the refractory insulating layer in the fire resistant insulated wire cores gap, the fire resisting separation layer being coated on the outside of the refractory insulating layer and the metal sheath layer and fire resisting restrictive coating that are coated on successively on the outside of the fire resisting separation layer by more fire resistant insulated wire cores, wherein, the fire resistant insulated wire cores include：Conductor, the fire resistant insulating layer being coated on successively on the outside of the conductor and fire resistant insulation split-phase layer；The fire resistant insulating layer is synthetic mica tape；The fire resistant insulation split-phase layer is the Ceramic silicon rubber composite band for having the function of color split-phase.Fire resistant cable according to the present utility model has significant high temperature resistant, refractory ability, and improves the convenience of installation and the construction of cable.
Description
Technical field
The utility model belongs to electric line clothing arts, is related to a kind of fire resistant cable.
Background technology
Cable product is widely used in the fields such as residential housing, communication, the energy, automobile, track traffic and petrochemical industry, with
The continuous development of application field technology, the increasingly sophisticated variation in cable practical application place, comprehensive performance of the application end to cable
It is required that it is continuously improved.Increasingly pay attention to especially for line security performance, according to statistics, due to electric fault in fire incident
Caused by ratio account for more than 60 percent.When fire occurs, how to ensure that power circuit is complete, make Fire lift, disappear
The fire-fighting equipments such as anti-pump keep normal operation within a certain period of time, strive for rescue time as much as possible, significant.Thus,
The high temperature resistant fire resistance of cable is improved, increases its run time in fire extreme environment, it is most important.
On the other hand, in actual production and application, the cable with fire resisting cannot solve every core well
Split-phase problem, for the ease of construction and installation, be typically employed in outside flame retardant coating and extrude the coloured crosslinked polyethylene of tool or leading
The mode of external side addition colour band, crosslinked polyethylene and colour band do not have resistance to elevated temperatures, can melt rapidly in a fire, destroy
The construction of cable.Therefore, the high temperature-resistant cable with split-phase mark how is manufactured, while improving cable construction installation convenience,
Ensure the high temperature resistant fire resistance of cable, no less important.
Utility model content
The utility model aims to provide a kind of fire resistant cable.
One side according to the present utility model, a kind of fire resistant cable, the cable include：By more fire resistants
Insulated wire cores are twisted the cable core of composition, are coated on the outside of the cable core and are filled in the fire resistant insulated wire cores gap
Refractory insulating layer, the fire resisting separation layer that is coated on the outside of the refractory insulating layer and be coated on the fire resisting isolation successively
The metal sheath layer and fire resisting restrictive coating in layer outside, wherein, the fire resistant insulated wire cores include：Conductor, coat successively
Fire resistant insulating layer and fire resistant insulation split-phase layer on the outside of the conductor；The fire resistant insulating layer
For synthetic mica tape；The fire resistant insulation split-phase layer is the Ceramic silicon rubber composite band for having the function of color split-phase.
Exemplary embodiment according to the present utility model, the conductor are annealing copper conductor.
Exemplary embodiment according to the present utility model, the refractory insulating layer are flexible fireproof oxygen-separation mud.
Exemplary embodiment according to the present utility model, the fire resisting separation layer are wrapped refractory glass fiber layer.
Exemplary embodiment according to the present utility model, the metal sheath layer are embossing annealing copper sheath.
Exemplary embodiment according to the present utility model, the fire resisting restrictive coating are fire-resisting ceramic silicone rubber sheath.
Compared with prior art, the utility model has the following advantages：
The utility model integrated use and optimization material and processing technology, realize the preparation of fire resistant cable.Significantly
High temperature resistant, the refractory ability of cable are improved, and split-phase mark can be carried out to the cable with fireproof high-temperature resistant performance, improves electricity
The convenience of installation and the construction of cable.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
In figure, 1- annealing copper conductors, 2- fire resistant insulating layers, 3- fire resistants insulation split-phase layer, the resistance to fire screens of 4-
Thermosphere, 5- fire resisting separation layers, 6- metal sheath layers, 7- fire resisting restrictive coatings.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of fire resistant cable, its structure as shown in Figure 1, the fire-resisting cable by annealing copper conductor 1 and its outer layer according to
Fire resistant insulating layer 2 and fire resistant insulation the split-phase layer 3 of secondary cladding forms fire resistant insulated wire cores, then
Cable core is twisted into by 4 fire resistant insulated wire cores, gap is filled out between cladding and high-temperature insulation core on the outside of cable core
Refractory insulating layer 4 is filled, coats fire resisting separation layer 5, metal sheath layer 6 and fire resisting restrictive coating 7 successively outside refractory insulating layer.
Specifically, copper conductor 1 of annealing can use oxygen-free copper bar to be drawn by continuous annealing and annealed copper single line is made, and through twisting
The copper conductor being twisted by more annealed copper single lines is made in technique processed.
Fire resistant insulating layer 2 is made using synthetic mica tape is wrapped.
Fire resistant insulation split-phase layer 3 is using the Ceramic silicon rubber composite band with color split-phase around packing
.
The refractory insulating layer 4 of cladding and hot-face insulation core gap filling is extruded using flexible fireproof oxygen-separation mud on the outside of cable core
It is made.
Fire resisting separation layer 5 is made using refractory glass fiber layer is wrapped.
Metal sheath layer 6 is handled by online argon arc welding and embossing and is made using annealed copper band forming covered.
Fire resisting restrictive coating 7 is extruded obtained using fire-resisting ceramic silicone rubber.
Above-described embodiment, the purpose of this utility model, technical solution and beneficial effect have been carried out into
One step describes in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, where within the spirit and principles of the present invention, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of fire resistant cable, it is characterised in that the cable includes：Group is twisted by more fire resistant insulated wire cores
Into cable core, be coated on the outside of the cable core and be filled in the fire resistant insulated wire cores gap refractory insulating layer,
The fire resisting separation layer being coated on the outside of the refractory insulating layer and the metal shield being coated on successively on the outside of the fire resisting separation layer
Jacket layer and fire resisting restrictive coating, wherein, the fire resistant insulated wire cores include：Conductor, be coated on the outside of the conductor successively
Fire resistant insulating layer and fire resistant insulation split-phase layer；The fire resistant insulating layer is synthetic mica tape；
The fire resistant insulation split-phase layer is the Ceramic silicon rubber composite band for having the function of color split-phase；The refractory insulating layer
For flexible fireproof oxygen-separation mud；The metal sheath layer is embossing annealing copper sheath.
2. cable according to claim 1, it is characterised in that the conductor is annealing copper conductor.
3. according to the cable described in claim 1, it is characterised in that the fire resisting separation layer is wrapped refractory glass fiber
Layer.
4. according to the cable described in claim 1, it is characterised in that the fire resisting restrictive coating is fire-resisting ceramic silicone rubber
Sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143813.1U CN207250205U (en) | 2017-09-07 | 2017-09-07 | A kind of fire resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143813.1U CN207250205U (en) | 2017-09-07 | 2017-09-07 | A kind of fire resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207250205U true CN207250205U (en) | 2018-04-17 |
Family
ID=61887479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721143813.1U Active CN207250205U (en) | 2017-09-07 | 2017-09-07 | A kind of fire resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207250205U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109102924A (en) * | 2018-09-25 | 2018-12-28 | 安徽华星电缆集团有限公司 | A kind of fire resistant cable of electromagnetism interference |
| CN109994264A (en) * | 2019-04-25 | 2019-07-09 | 佛山市宏图中宝电缆有限公司 | A kind of low-pressure fireproof cable |
-
2017
- 2017-09-07 CN CN201721143813.1U patent/CN207250205U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109102924A (en) * | 2018-09-25 | 2018-12-28 | 安徽华星电缆集团有限公司 | A kind of fire resistant cable of electromagnetism interference |
| CN109994264A (en) * | 2019-04-25 | 2019-07-09 | 佛山市宏图中宝电缆有限公司 | A kind of low-pressure fireproof cable |
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