CN208315265U - A kind of oxygen barrier high fire-retardance power cable of insulation - Google Patents
A kind of oxygen barrier high fire-retardance power cable of insulation Download PDFInfo
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- CN208315265U CN208315265U CN201820255604.4U CN201820255604U CN208315265U CN 208315265 U CN208315265 U CN 208315265U CN 201820255604 U CN201820255604 U CN 201820255604U CN 208315265 U CN208315265 U CN 208315265U
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Abstract
The utility model discloses a kind of oxygen barrier high fire-retardance power cables of insulation, including cable core, the cable core to be twisted by four insulated wire cores；Flame-proof glass fibre band is filled in the gap of cable core, metal mask tape is extruded outside cable core, the high first electrical calcinated argil flame-retardant layer is extruded outside metal mask tape, fire-retardant corrugated composite paperboard is externally provided in the first high electrical calcinated argil flame-retardant layer, fire-retardant corrugated composite paperboard is externally provided with oxygen barrier layer, the second high electrical calcinated argil flame-retardant layer is extruded outside oxygen barrier layer, is externally provided with metal armor layers in the second high electrical calcinated argil flame-retardant layer, LSOH anti-flaming inner sheath is extruded outside metal armor layers.The utility model has many advantages, such as that shielding is good, anti-interference is good, good insulating, flame-retardant are good.
Description
Technical field
The utility model relates to field of cables, and in particular to a kind of oxygen barrier high fire-retardance power cable of insulation.
Background technique
With the development of power industry, for direct current cables with its transfer rate height, line loss is small；It adjusts electric current and changes transmission
Direction is convenient；Installation, the features such as maintenance cost is low more and more apply in each field, are used in subway, nuclear power station, market, doctor
The security reliability of the electrical equipments such as institute, intelligent building requires higher and higher, the environment-friendly type direct current of an urgent demand exploitation a new generation
Cable.
With taking place frequently for fire incident, people, which recognize wire and cable fire risk, constantly to deepen, and relevant department is to electricity
The requirement of the performances such as line fireproofing and block burn of cable is also higher and higher.Since cable fire has, sprawling is fast, it is difficult to save, generates secondary danger
Evil, the features such as recovery time is long, can bring huge loss to the lives and properties of national economy and the people.Therefore people couple
The fire-retardant of wire and cable, fire performance, security reliability propose harsher service condition.Such as fire prevention, explosion-proof, overload energy
Power is strong, long service life, and under Fire Conditions, Fire lift, fire pump need to keep the normal operation in certain time, and cable exists
Low-smoke low-halogen low toxicity after burning, or even the particular/special requirements such as smokeless halogen-free is nontoxic.Cable-flame retardant, fire prevention measure are to reduce ignition of cable
Prolong the important means of combustion, key is being relied mainly on prevention, and all kinds of flame retardant cables, fire-resisting cable, fireproof cable are used widely.
Utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, a kind of oxygen barrier high fire-retardance power cable of insulation is provided.
Technical solution: to achieve the above object, the utility model provides a kind of oxygen barrier high fire-retardance power cable of insulation, including
Cable core, the cable core are twisted by four insulated wire cores；Flame-proof glass fibre band is filled in the gap of cable core, is squeezed outside cable core
Packet metal mask tape extrudes the high first electrical calcinated argil flame-retardant layer outside metal mask tape, in the first high electrical calcinated argil
Flame-retardant layer is externally provided with fire-retardant corrugated composite paperboard, and fire-retardant corrugated composite paperboard is externally provided with oxygen barrier layer, second is extruded outside oxygen barrier layer
High electrical property calcinated argil flame-retardant layer is externally provided with metal armor layers in the second high electrical calcinated argil flame-retardant layer, in metal armor layers
LSOH anti-flaming inner sheath is extruded outside.
Further, the insulated wire cores be by superconductor, the ethylene propylene rubber insulated layer being extruded in outside superconductor and
The fire-retardant bundle line pipe of pp outside ethylene propylene rubber insulated layer is constituted.
Further, it is fire-retardant true to be disposed with first from inside to outside for the fire-retardant corrugated composite paperboard surface and the back side
Hole layer and external flame-retardant layer, middle part is provided with the second flame-proof vacuum aperture layer.
Further, several be pumped into very is provided in the first flame-proof vacuum aperture layer and the second flame-proof vacuum aperture layer
Empty hole.
Further, the external flame-retardant layer is inorganic fire retardants.
Further, the metal screen layer is formed by tinned copper wire and fibrage, and wherein fibrage number of spindles is 18
Ingot, the braiding number of spindles of tinned copper wire are 18 ingots, and percentage of braiding coverage is not less than 85%.
Compared with prior art, the utility model has the beneficial effects that:
1, environment friendly flame-retardant glass fibre belt is filled in cable core gap, so that the internal ignition resistant effect of cable is more preferable.
2, metal screen layer is formed by tinned copper wire and fibrage, and wherein fibrage number of spindles is 18 ingots, tinned copper wire
Braiding number of spindles be 18 ingots, percentage of braiding coverage is not less than 85%, can effective magnetic-field radiation, protect cable itself, improve
The anti-interference ability of cable is equipped with metal bellows on oversheath, can inhibit passing through for electromagnetic wave well, has excellent
Elegant shield effectiveness.
3, insulated wire cores outermost layer carries out fire-resisting protection using the fire-retardant bundle line pipe of pp, and fire-retardant PP material, which removes, has common poly- third
The heat-resisting, easily molded of alkene, intensity compared with the features such as high, specific gravity is small, water absorption rate is low outside, fire-retardant PP material is also equipped with anti-flammability and high-ductility
Property and excellent weatherability, resistance to ozone, UV resistant and good high-temperature behavior, electrical property, impact property, oil resistant are resistance to
Solvent nature.
4, cable is using the double-deck high electrical calcinated argil flame-retardant layer, so that cable has obtained dual flame retardant effect, than general
Energization cable anti-flammability provides tens times, also has best reinforcing property, has stronger electrical insulating property.
5, fire-retardant corrugated composite paperboard is fire-retardant by two layers, so that preventing corrugated composite paperboard as paper easily occurs fire
Hidden danger improves safety, so that the cost of cable reduces, provides the fire resistance of cable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of fire-retardant corrugated composite paperboard.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, it should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model, after having read the utility model, art technology
Personnel fall within the application range as defined in the appended claims to the modification of the various equivalent forms of the utility model.
As shown in Figure 1, the utility model provides a kind of oxygen barrier high fire-retardance power cable of insulation, including cable core, the cable
Core is twisted by four insulated wire cores；The insulated wire cores are exhausted by superconductor 1, the EP rubbers being extruded in outside superconductor
Edge layer 2 and the fire-retardant bundle line pipe 3 of pp outside ethylene propylene rubber insulated layer are constituted；Flame-proof glass fibre is filled in the gap of cable core
Band 4, extrudes metal mask tape 5 outside cable core, and the high first electrical calcinated argil flame-retardant layer 6 is extruded outside metal mask tape, the
One high electrical calcinated argil flame-retardant layer is externally provided with fire-retardant corrugated composite paperboard 7, and fire-retardant corrugated composite paperboard is externally provided with oxygen barrier layer 8,
The second high electrical calcinated argil flame-retardant layer 9 is extruded outside oxygen barrier layer, is externally provided with metal in the second high electrical calcinated argil flame-retardant layer
Armor 10 extrudes LSOH anti-flaming inner sheath 11 outside metal armor layers.
As shown in Fig. 2, to be disposed with first from inside to outside fire-retardant for 7 surface of fire-retardant corrugated composite paperboard and the back side
Vacuum aperture layer 71 and external flame-retardant layer 72, middle part is provided with the second flame-proof vacuum aperture layer 73；The first flame-proof vacuum aperture layer and
Several holes 74 being evacuated are provided in second flame-proof vacuum aperture layer；The external flame-retardant layer is inorganic fire retardants.
The metal screen layer is formed by tinned copper wire and fibrage, and wherein fibrage number of spindles is 18 ingots, tin-coated copper
The braiding number of spindles of silk is 18 ingots, and percentage of braiding coverage is that can effectively magnetic-field radiate not less than 85%, protect cable itself,
The anti-interference ability for improving cable is equipped with metal bellows on oversheath, can inhibit passing through for electromagnetic wave well, tool
There is outstanding shield effectiveness.
There are many utility model concrete application approach, and the above is only the preferred embodiment of the utility model, should
It points out, for those skilled in the art, without departing from the principle of this utility model, can also make
Several improvement out, these improvement also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of oxygen barrier high fire-retardance power cable of insulation, it is characterised in that: including cable core, the cable core is by four insulated wire cores
It is twisted；Flame-proof glass fibre band is filled in the gap of cable core, metal mask tape is extruded outside cable core, is squeezed outside metal mask tape
The high first electrical calcinated argil flame-retardant layer is wrapped, is externally provided with fire-retardant corrugated composite paperboard in the first high electrical calcinated argil flame-retardant layer,
Fire-retardant corrugated composite paperboard is externally provided with oxygen barrier layer, and the second high electrical calcinated argil flame-retardant layer is extruded outside oxygen barrier layer, high second
Electrical calcinated argil flame-retardant layer is externally provided with metal armor layers, and LSOH anti-flaming inner sheath is extruded outside metal armor layers.
2. the oxygen barrier high fire-retardance power cable of insulation according to claim 1, it is characterised in that: the insulated wire cores are served as reasons
Superconductor is extruded in the ethylene propylene rubber insulated layer outside superconductor and the fire-retardant bundle line pipe of the pp outside ethylene propylene rubber insulated layer
It constitutes.
3. the oxygen barrier high fire-retardance power cable of insulation according to claim 1, it is characterised in that: the fire-retardant corrugation is compound
Paperboard surface and the back side are disposed with the first flame-proof vacuum aperture layer and external flame-retardant layer from inside to outside, and middle part is provided with the second resistance
Fire vacuum aperture layer.
4. the oxygen barrier high fire-retardance power cable of insulation according to claim 3, it is characterised in that: first flame-proof vacuum hole
Several holes being evacuated are provided in layer and the second flame-proof vacuum aperture layer.
5. the oxygen barrier high fire-retardance power cable of insulation according to claim 3, it is characterised in that: the external flame-retardant layer is nothing
Machine fire retardant.
6. the oxygen barrier high fire-retardance power cable of insulation according to claim 1, it is characterised in that: the metal screen layer is by plating
Tin copper wire and fibrage are formed, and wherein fibrage number of spindles is 18 ingots, and the braiding number of spindles of tinned copper wire is 18 ingots, braiding covering
Rate is not less than 85%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820255604.4U CN208315265U (en) | 2018-02-13 | 2018-02-13 | A kind of oxygen barrier high fire-retardance power cable of insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820255604.4U CN208315265U (en) | 2018-02-13 | 2018-02-13 | A kind of oxygen barrier high fire-retardance power cable of insulation |
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| Publication Number | Publication Date |
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| CN208315265U true CN208315265U (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820255604.4U Active CN208315265U (en) | 2018-02-13 | 2018-02-13 | A kind of oxygen barrier high fire-retardance power cable of insulation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461209A (en) * | 2018-02-13 | 2018-08-28 | 江苏荣宜电缆有限公司 | A kind of oxygen barrier high fire-retardance power cable of insulation |
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2018
- 2018-02-13 CN CN201820255604.4U patent/CN208315265U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461209A (en) * | 2018-02-13 | 2018-08-28 | 江苏荣宜电缆有限公司 | A kind of oxygen barrier high fire-retardance power cable of insulation |
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