CN207977144U - A kind of Halogen fire resisting cable - Google Patents
A kind of Halogen fire resisting cable Download PDFInfo
- Publication number
- CN207977144U CN207977144U CN201820087873.4U CN201820087873U CN207977144U CN 207977144 U CN207977144 U CN 207977144U CN 201820087873 U CN201820087873 U CN 201820087873U CN 207977144 U CN207977144 U CN 207977144U
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- CN
- China
- Prior art keywords
- fire resisting
- flame retardant
- retardant coating
- halogen
- resisting cable
- 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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Abstract
The utility model provides a kind of Halogen fire resisting cable, it is followed successively by oversheath, flame retardant coating, thermal insulation layer, insulating layer and conductor from outside to inside, conductor periphery is coated with insulating layer, the thermal insulation layer is the ceramic particle being filled between flame retardant coating and insulating layer, and the oversheath is to extrude in halogen-free and low-smoke flame-retardant polyolefin sheathed on flame retardant coating.Above-mentioned Halogen fire resisting cable between oversheath and insulating layer by being arranged flame retardant coating and thermal insulation layer, flame retardant coating plays the role of high temperature resistant, prevent cable overall structure is heated from deforming upon, the thermal insulation layer plays heat insulation, prevents external heat from influencing the structure of cable core conductor；The oversheath is halogen-free and low-smoke flame-retardant polyolefin sheathed, has the advantages that fire-retardant, few smog in the case where cable is in hot environment, does not discharge halogen gas.
Description
Technical field
The utility model is related to power cable technical field more particularly to a kind of Halogen fire resisting cables.
Background technology
With the fast development of informationized society, cable is commonly used in all trades and professions, but with cable application ring
The stability requirement of the increasingly sophisticated and signal transmission in border is higher and higher, higher and higher to its heat resistance performance requirement, once hair
Raw fire incident, cable, which breaks down, will directly affect the stability of information transmission or even can cause irremediable letter to user
Breath loss, and under high temperature environment, it is also necessary to it borrows electric power and is powered to fire-fighting equipment to implement fire-fighting work, therefore, it is necessary to
Effectively promote the heat resistance of cable.
Using polyvinyl chloride as oversheath, burning structure generates a large amount of smog and has released existing cable in the process
Poisonous gas is unfavorable for the personal safety of scene of fire personnel.
Utility model content
In order to solve the above problem, the utility model by be arranged between oversheath and insulating layer flame retardant coating and thermal insulation layer with
Effectively promoted cable high temperature resistance, the oversheath using it is halogen-free and low-smoke flame-retardant polyolefin sheathed will not release smog and
A kind of Halogen fire resisting cable of toxic gas.
The technical solution of the utility model is as follows：
A kind of Halogen fire resisting cable, is followed successively by oversheath, flame retardant coating, thermal insulation layer, insulating layer and conductor, conductor from outside to inside
Periphery is coated with insulating layer, and the thermal insulation layer is the ceramic particle being filled between flame retardant coating and insulating layer, and the oversheath is
It extrudes in halogen-free and low-smoke flame-retardant polyolefin sheathed on flame retardant coating.
Wherein, the flame retardant coating is aluminium alloy or fire-resistant isinglass belt.
Preferably, in thermal insulation layer, glass fibre is filled between ceramic particle.
Preferably, the conductor is twisted by multiple conducting wires.
Specifically, the conducting wire includes power cord, signal wire and ground wire, and power cord, signal wire and ground wire are outer crowded
It is surrounded by insulation rubber.
Specifically, the stranding stranding distance of the conductor is 50 ~ 120mm.
Preferably, the thickness of the flame retardant coating is the 1/6-1/4 of cable diameter.
Wherein, the insulating layer is low density polyethylene (LDPE) Insulation Material.
Preferably, the color of the oversheath is crocus.
The beneficial effects of the utility model are as follows：
1, play the role of high temperature resistant by the way that flame retardant coating and thermal insulation layer, flame retardant coating are arranged between oversheath and insulating layer, it is anti-
Only cable overall structure is heated deforms upon, and the thermal insulation layer plays heat insulation, prevents external heat from influencing cable core-and leads
The structure of body；
2, the oversheath is halogen-free and low-smoke flame-retardant polyolefin sheathed, is had in the case where cable is in hot environment fire-retardant, few
Smog does not discharge the advantages of halogen gas.
Description of the drawings
Below in conjunction with the accompanying drawings, by the way that specific embodiment of the present utility model is described in detail, the utility model will be made
Technical solution and other beneficial effects are apparent.
Fig. 1 is the structural schematic diagram of Halogen fire resisting cable.
Main element symbol description：
10, oversheath；20, flame retardant coating；30, thermal insulation layer；31, ceramic particle；32, glass fibre；40, insulating layer；51, electric
Source line；52, signal wire；53, it is grounded；50w, insulation rubber.
Specific implementation mode
Further to illustrate technological means and its effect that the utility model is taken, below in conjunction with the utility model
Preferred embodiment and its attached drawing are described in detail.
Referring to FIG. 1, a kind of Halogen fire resisting cable, be followed successively by from outside to inside oversheath 10, flame retardant coating 20, thermal insulation layer 30,
Insulating layer 40 and conductor, conductor periphery are coated with insulating layer 40, and the thermal insulation layer 30 is to be filled in flame retardant coating 20 and insulating layer 40
Between ceramic particle 31, the oversheath 10 is to extrude in halogen-free and low-smoke flame-retardant polyolefin sheathed on flame retardant coating 20.
Above-mentioned Halogen fire resisting cable is resistance to by the way that flame retardant coating 20 and thermal insulation layer 30 are arranged between oversheath 10 and insulating layer 40
Fire bed 20 plays the role of high temperature resistant, prevents cable overall structure is heated from deforming upon, and the thermal insulation layer 30 plays heat insulation, prevents
Only external heat influences the structure of cable core-conductor；The oversheath 10 is halogen-free and low-smoke flame-retardant polyolefin sheathed, in cable
Have the advantages that fire-retardant, few smog under hot environment, discharge halogen gas.
Wherein, the flame retardant coating 20 is aluminium alloy or fire-resistant isinglass belt.Preferably, the flame retardant coating 20 is aluminium alloy,
With enough structural soundness, heat safe while also there is starvation and ability of anti-deformation.Certainly, the flame retardant coating
20 can also be the fire-resistant isinglass belt being set around except thermal insulation layer 30, and cable itself has certain flexibility, is convenient for flexible route.
Preferably, in thermal insulation layer 30, glass fibre 32 is filled between ceramic particle 31, ceramic particle 31 has excellent
Heat insulation, glass fibre 32 is filled between ceramic particle 31, plays the role of 30 basic structure of firm thermal insulation layer, is promoted
The compressive resistance deformability of cable.
Wherein, the particle diameter range of the ceramic particle 31 is the 1/20-1/7 of the cable diameter.
Preferably, the conductor is twisted by multiple conducting wires, is promoted the stretching resistance of cable, is avoided caused by stress concentration
A wherein wire fracture.
As the basic structure of the communications cable, the conducting wire includes power cord 51, signal wire 52 and ground wire 53, power cord
51, it is extruded with insulation rubber 50w outside signal wire 52 and ground wire 53.
Specifically, the stranding stranding distance of the conductor is 50 ~ 120mm.
Preferably, the thickness of the flame retardant coating 20 is the 1/6-1/4 of cable diameter.
Wherein, the insulating layer 40 is low density polyethylene (LDPE) Insulation Material.
Preferably, the color of the oversheath 10 is crocus, the solid colour with fire-fighting equipment, and be clearly distinguishable from it
His cable convenient for the rapid identification in installation and maintenance and uses it for fire-fighting equipment power supply.
The above, for those of ordinary skill in the art, can with technical solution according to the present utility model and
Technical concept makes other various corresponding change and deformations, and all these change and distortions should all belong to the utility model power
The protection domain that profit requires.
Claims (9)
1. a kind of Halogen fire resisting cable, which is characterized in that be followed successively by from outside to inside oversheath, flame retardant coating, thermal insulation layer, insulating layer and
Conductor, conductor periphery are coated with insulating layer, and the thermal insulation layer is the ceramic particle being filled between flame retardant coating and insulating layer, described
Oversheath is to extrude in halogen-free and low-smoke flame-retardant polyolefin sheathed on flame retardant coating.
2. Halogen fire resisting cable according to claim 1, which is characterized in that the flame retardant coating is aluminium alloy or fireproof mica
Band.
3. Halogen fire resisting cable according to claim 1 or 2, which is characterized in that in thermal insulation layer, filled out between ceramic particle
Filled with glass fibre.
4. Halogen fire resisting cable according to claim 1, which is characterized in that the conductor is twisted by multiple conducting wires.
5. Halogen fire resisting cable according to claim 4, which is characterized in that the conducting wire include power cord, signal wire and
It is grounded, insulation rubber is extruded with outside power cord, signal wire and ground wire.
6. Halogen fire resisting cable according to claim 4, which is characterized in that the stranding stranding distance of the conductor be 50 ~
120mm。
7. Halogen fire resisting cable according to claim 1, which is characterized in that the thickness of the flame retardant coating is cable diameter
1/6-1/4。
8. Halogen fire resisting cable according to claim 1, which is characterized in that the insulating layer insulate for low density polyethylene (LDPE)
Material.
9. Halogen fire resisting cable according to claim 1, which is characterized in that the color of the oversheath is crocus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820087873.4U CN207977144U (en) | 2018-01-19 | 2018-01-19 | A kind of Halogen fire resisting cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820087873.4U CN207977144U (en) | 2018-01-19 | 2018-01-19 | A kind of Halogen fire resisting cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207977144U true CN207977144U (en) | 2018-10-16 |
Family
ID=63769823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820087873.4U Expired - Fee Related CN207977144U (en) | 2018-01-19 | 2018-01-19 | A kind of Halogen fire resisting cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207977144U (en) |
-
2018
- 2018-01-19 CN CN201820087873.4U patent/CN207977144U/en not_active Expired - Fee Related
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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: 20181016 Termination date: 20210119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |