CN209374129U - A kind of flame-retardant fire-proof cable - Google Patents
A kind of flame-retardant fire-proof cable Download PDFInfo
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- CN209374129U CN209374129U CN201920357599.2U CN201920357599U CN209374129U CN 209374129 U CN209374129 U CN 209374129U CN 201920357599 U CN201920357599 U CN 201920357599U CN 209374129 U CN209374129 U CN 209374129U
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Abstract
The utility model discloses a kind of flame-retardant fire-proof cables, including cable core, support frame and protective layer, protective layer is by being followed successively by interior recuperation layer except interior, fire extinguishing layer, flame-retardant layer, external insulation layer, shielded layer, outer recuperation layer, anti-cutting layer and protective layer, inorganic phase-changing material is filled in interior recuperation layer and outer recuperation layer, and the outside of cable is equipped with several interior heat release holes and outer heat release hole being arranged alternately, wherein fire prevention gas permeable material is filled in interior heat release hole and outer heat release hole, and the top of interior heat release hole and outer heat release hole is equipped with waterproof ventilated membrane, fire extinguishing layer includes interior fire-resistant film and outer fire-resistant film, the cavity of several array arrangements is wherein divided between interior fire-resistant film and outer fire-resistant film by diaphragm, and extinguishing chemical is filled in cavity.The utility model is designed reasonably, structure is simple, has the characteristics that good heat-resisting, fire-retardant, fire prevention, fire extinguishing, carries out multiple-protection to cable core, the conductor in cable core is avoided to be burned.
Description
Technical field
The utility model belongs to field of cable technology, and in particular to a kind of flame-retardant fire-proof cable.
Background technique
The method that existing flame-retardant electric wire and cable generally uses is to add halide and metal oxide containing halogen, resistance
Fuel efficiency fruit is good, still, due to containing halide in these materials, discharges a large amount of smog and hydrogen halide in burning, leads
Low visibility when fire is caused, safe escape and fire hose to personnel carry out very big obstruction, while people is then more toxic
Gas is died of asphyxiation, and only promotes the flame retardant property of cable in the structure of cable itself if not adding halide, but
Existing cable shield, insulating layer and restrictive coating are all successively to fit closely, and are unfavorable for the heat dissipation of cable, once occur
Fire can then fire in a very short period of time and shielded layer and insulating layer, can finally destroy cable conductor, the conductor in cable conductor
It is the core of cable, once conductor is burned, then cable just loses its transfer function.
Utility model content
The purpose of this utility model is to provide a kind of flame-retardant fire-proof cables, to solve proposed in above-mentioned background technique
The problem of.
To achieve the above object, the utility model is the following technical schemes are provided: a kind of flame-retardant fire-proof cable, structure are wanted
Point is: including cable core, support frame and protective layer, support frame includes several hollow tubes being circumferentially evenly arranged, wherein several
Hollow tube is wholely set, and tension inner core is fixed at the center of several hollow tubes, and cable core and hollow tube correspond, and cable core
Set on hollow tube, protective layer is by being followed successively by interior recuperation layer, fire extinguishing layer, flame-retardant layer, external insulation layer, shielded layer, outer except interior
It is filled with inorganic phase-changing material in recuperation layer, anti-cutting layer and protective layer, interior recuperation layer and outer recuperation layer, and is set on the outside of cable
There are several interior heat release holes and outer heat release hole being arranged alternately, interior heat release hole sequentially passes through fire extinguishing layer, flame-retardant layer, external insulation layer, screen
Cover layer, outer recuperation layer, anti-cutting layer and protective layer, outer heat release hole sequentially passes through anti-cutting layer and protective layer, wherein in heat release hole and outer
Filled with fire prevention gas permeable material in heat release hole, and the top of interior heat release hole and outer heat release hole is equipped with waterproof ventilated membrane, fire extinguishing
Layer includes interior fire-resistant film and outer fire-resistant film, is arranged wherein being divided into several arrays by diaphragm between interior fire-resistant film and outer fire-resistant film
Cavity, and cavity in be filled with extinguishing chemical.
Preferably, cable core includes conductor and the inner insulating layer that is coated on the outside of conductor.
Preferably, hollow tube is made of insulation high-temperature-resistant material.
Compared with prior art, the utility model is designed reasonably, structure is simple, have it is good it is heat-resisting, fire-retardant, fire prevention,
The characteristics of fire extinguishing, carries out multiple-protection to cable core, the conductor in cable core is avoided to be burned.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 1- cable core, 2- hollow tube, 3- tension inner core, recuperation layer in 4-, 5- flame-retardant layer, 6- external insulation layer, 7- shielding
Layer, the outer recuperation layer of 8-, 9- anti-cutting layer, 10- protective layer, heat release hole in 11-, the outer heat release hole of 12-, 13- waterproof ventilated membrane, in 14-
Fire-resistant film, the outer fire-resistant film of 15-, 16- diaphragm, 17- cavity.
Specific embodiment
Explanation is further explained to the utility model with reference to the accompanying drawing, but does not limit the protection model of the utility model
It encloses.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution, a kind of flame-retardant fire-proof cable, including cable core 1, branch
Support and protective layer, the support frame includes several hollow tubes 2 being circumferentially evenly arranged, wherein several hollow tubes 2 one
Body setting, and tension inner core 3 is fixed at the center of several hollow tubes 2, the cable core 1 and hollow tube 2 correspond, and cable
Core 1 is set to inside hollow tube 2, and the protective layer is by being followed successively by interior recuperation layer 4, fire extinguishing layer, flame-retardant layer 5, external insulation except interior
Layer 6, shielded layer 7, outer recuperation layer 8, anti-cutting layer 9 and protective layer 10 are filled in the interior recuperation layer 4 and outer recuperation layer 8
Inorganic phase-changing material, and the outside of cable is equipped with several interior heat release holes 11 and outer heat release hole 12 being arranged alternately, described is interior scattered
Hot hole 11 sequentially passes through fire extinguishing layer, flame-retardant layer 5, external insulation layer 6, shielded layer 7, outer recuperation layer 8, anti-cutting layer 9 and protective layer 10, outside
Heat release hole 12 sequentially passes through anti-cutting layer 9 and protective layer 10, wherein saturating filled with fire prevention in interior heat release hole 11 and outer heat release hole 12
Gas material, and the top of interior heat release hole 11 and outer heat release hole 12 is equipped with waterproof ventilated membrane 13, the fire extinguishing layer includes interior resistance to
Fiery film 14 and outer fire-resistant film 15, wherein being divided into several arrays arrangements by diaphragm 16 between interior fire-resistant film 14 and outer fire-resistant film 15
Cavity 17, and cavity 17 in be filled with extinguishing chemical.
Wherein, in the present embodiment, the cable core 1 includes conductor and the inner insulating layer being coated on the outside of conductor.
Wherein, in the present embodiment, the hollow tube 2 is made of insulation high-temperature-resistant material.
When Exterior cable when the temperature is excessively high, outer recuperation layer 8 and flame-retardant layer 5 can be with effective protection cable cores, if outer recuperation layer 8
With the equal heat damage of flame-retardant layer 5, the extinguishing chemical in fire extinguishing layer can also play fire-retardant effect of putting out a fire, and prevent cable core impaired；When
When the temperature is excessively high, interior recuperation layer 4 can be with fast transfer heat, if cable core internal fires make interior recuperation layer 4 for cable core inner conductor
It damages, the extinguishing chemical in fire extinguishing layer can also play fire-retardant effect of putting out a fire, and prevent cable core impaired.
The utility model is designed reasonably, structure is simple, has the characteristics that good heat-resisting, fire-retardant, fire prevention, fire extinguishing, to cable
Core carries out multiple-protection, and the conductor in cable core is avoided to be burned.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein, and should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (3)
1. a kind of flame-retardant fire-proof cable, it is characterised in that: including cable core, support frame and protective layer, the support frame includes
Several hollow tubes being circumferentially evenly arranged wherein several hollow tubes are wholely set, and are fixed at the center of several hollow tubes
Tension inner core, the cable core and hollow tube correspond, and cable core is set to hollow tube, and the protective layer is by except interior
It is followed successively by interior recuperation layer, fire extinguishing layer, flame-retardant layer, external insulation layer, shielded layer, outer recuperation layer, anti-cutting layer and protective layer, described is interior
Inorganic phase-changing material is filled in recuperation layer and outer recuperation layer, and the outside of cable is equipped with several interior heat release holes being arranged alternately
With outer heat release hole, the interior heat release hole sequentially passes through fire extinguishing layer, flame-retardant layer, external insulation layer, shielded layer, outer recuperation layer, anti-cutting
Layer and protective layer, outer heat release hole sequentially pass through anti-cutting layer and protective layer, wherein filled with anti-in interior heat release hole and outer heat release hole
Fiery gas permeable material, and the top of interior heat release hole and outer heat release hole is equipped with waterproof ventilated membrane, the fire extinguishing layer includes interior fire resisting
Film and outer fire-resistant film wherein being divided into the cavity of several arrays arrangements between interior fire-resistant film and outer fire-resistant film by diaphragm, and are held
It is intracavitary to be filled with extinguishing chemical.
2. a kind of flame-retardant fire-proof cable according to claim 1, it is characterised in that: the cable core include conductor and
The inner insulating layer being coated on the outside of conductor.
3. a kind of flame-retardant fire-proof cable according to claim 1, it is characterised in that: the hollow tube is by the resistance to height that insulate
Adiabator is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920357599.2U CN209374129U (en) | 2019-03-20 | 2019-03-20 | A kind of flame-retardant fire-proof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920357599.2U CN209374129U (en) | 2019-03-20 | 2019-03-20 | A kind of flame-retardant fire-proof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209374129U true CN209374129U (en) | 2019-09-10 |
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ID=67823979
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920357599.2U Active CN209374129U (en) | 2019-03-20 | 2019-03-20 | A kind of flame-retardant fire-proof cable |
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| CN (1) | CN209374129U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596838A (en) * | 2019-10-30 | 2019-12-20 | 江苏华脉光电科技有限公司 | Anti-ice anti-aging self-supporting optical cable |
| CN110890170A (en) * | 2019-11-11 | 2020-03-17 | 徐州迪沃通讯工程有限公司 | Environment-friendly cable with strong brittleness resistance for low-temperature environment |
| CN111312441A (en) * | 2020-02-24 | 2020-06-19 | 广州启光智造技术服务股份有限公司 | Heat-insulation protective cable |
| CN111437557A (en) * | 2020-04-30 | 2020-07-24 | 李丹 | Ultra-high temperature resistant self-extinguishing protection structure |
| CN113077933A (en) * | 2021-03-31 | 2021-07-06 | 泉州宏森电子有限公司 | High-temperature-resistant and wear-resistant power line |
| CN117881113A (en) * | 2024-03-11 | 2024-04-12 | 深圳市巨能伟业技术有限公司 | Emergency power supply assembly of LED lamp |
-
2019
- 2019-03-20 CN CN201920357599.2U patent/CN209374129U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596838A (en) * | 2019-10-30 | 2019-12-20 | 江苏华脉光电科技有限公司 | Anti-ice anti-aging self-supporting optical cable |
| CN110890170A (en) * | 2019-11-11 | 2020-03-17 | 徐州迪沃通讯工程有限公司 | Environment-friendly cable with strong brittleness resistance for low-temperature environment |
| CN111312441A (en) * | 2020-02-24 | 2020-06-19 | 广州启光智造技术服务股份有限公司 | Heat-insulation protective cable |
| CN111437557A (en) * | 2020-04-30 | 2020-07-24 | 李丹 | Ultra-high temperature resistant self-extinguishing protection structure |
| CN113077933A (en) * | 2021-03-31 | 2021-07-06 | 泉州宏森电子有限公司 | High-temperature-resistant and wear-resistant power line |
| CN117881113A (en) * | 2024-03-11 | 2024-04-12 | 深圳市巨能伟业技术有限公司 | Emergency power supply assembly of LED lamp |
| CN117881113B (en) * | 2024-03-11 | 2024-05-14 | 深圳市巨能伟业技术有限公司 | Emergency power supply assembly of LED lamp |
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