CN108428498A - A kind of tension flame-retardant fire-resistant power cable - Google Patents
A kind of tension flame-retardant fire-resistant power cable Download PDFInfo
- Publication number
- CN108428498A CN108428498A CN201810438276.6A CN201810438276A CN108428498A CN 108428498 A CN108428498 A CN 108428498A CN 201810438276 A CN201810438276 A CN 201810438276A CN 108428498 A CN108428498 A CN 108428498A
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- Prior art keywords
- layer
- fire
- flame
- retardant
- cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/228—Metal braid
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2813—Protection against damage caused by electrical, chemical or water tree deterioration
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
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- Insulated Conductors (AREA)
Abstract
The present invention provides a kind of tension flame-retardant fire-resistant power cable,The cable crosses setting insulating layer and improves the high temperature resistant for leading core,Severe cold performance,Further improve the electrical insulating property for leading core simultaneously,Oxidative resistance,Ageing resistance and mildew resistance and chemical stability,Embossing copper sheath is under high temperature and flame ablation,The organic principle pricked in line copper sheath can be ablated in a short period of time and then be converted into hard ceramic-like substance,To stop burning away for flame,To improve the fire-retardant and fire resistance of cable,The fire resistance of cable is further improved by the way that filled layer is arranged,It can prevent flame from passing through simultaneously,To play the role of protection to insulating layer,Fire-retardant effect is played by the way that high fire-retardance oxygen barrier layer is arranged,The effect of starvation has been further functioned as simultaneously,Further prevent burning away for flame,Further improve the flame retardant property of cable.
Description
Technical field
The present invention relates to power cable fields, more particularly, to a kind of tension flame-retardant fire-resistant power cable.
Background technology
Cable is made of the conductor and external insulating protective layer of one or more mutually insulated, by electric power or information from one
It is transferred to the conducting wire at another place.Typically by several or the electricity of similar rope that several groups of conducting wires (every group at least two) are twisted
Cable, mutually insulated between every group of conducting wire, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation.
Cable has interior energization, the feature of external insulation.Cable has power cable, control cable, compensating cable, shielded cable, high-temperature electric
Cable, computer cable, signal cable, coaxial cable, fire-resisting cable, cable for ship, mine cable, aluminium alloy cable etc..It
Be all made of sub-thread or stranded conductor and insulating layer, for connecting circuit, electric appliance etc..
Either in factory still builds, the safety of electric wiring is most important.It is counted according to national departments concerned,
In fire cause, the fire caused by electric wiring accounts for 50% or more.And cable is both the main body in circuit, and be to be difficult to prevent
The link of shield.Thus cable will not only have the ability that anti-external flame destroys, and have the characteristic that itself not will produce burning things which may cause a fire disaster,
The need of cable have certain tensile resistance simultaneously.
Invention content
The present invention provides a kind of tension flame-retardant fire-resistant power cable, which is improved by setting insulating layer and lead the resistance to of core
High temperature, severe cold performance.
In order to reach above-mentioned technique effect, technical scheme is as follows：
A kind of tension flame-retardant fire-resistant power cable, including waterproof layer, protective layer, metal protection layer, high fire-retardance oxygen barrier layer, bundle
Line copper sheath, filled layer, insulating layer and core is led, described to lead packet on the outside of core and be equipped with insulating layer, packet, which is equipped with, on the outside of the insulating layer pricks
Line copper sheath is provided with filled layer between the bundle line copper sheath and insulating layer, packet is equipped with high resistant on the outside of the bundle line copper sheath
Oxygen barrier layer is fired, the high fire-retardance oxygen barrier layer is made of high resistant combustible material, and packet is equipped with metal protection on the outside of the high fire-retardance oxygen barrier layer
Layer, the metal protection layer are metallic netted structural, are wrapped on the outside of the metal protection layer and are equipped with waterproof layer, the waterproof layer is by ring
Oxygen resin material is made, and the waterproof layer is wrapped with protective layer.
Preferably, the core of leading leads core for copper material.
Preferably, the embossing copper sheath is using sheath made of T2 grades of copper strips materials.
Preferably, the filled layer is fire-retardant mineral compound filler.
Preferably, the protective layer is low smoke, zero halogen cross-linking flame-retardant polyolefin mechanism.
Compared with prior art, the advantageous effect of technical solution of the present invention is：
The present invention improves the high temperature resistant for leading core, severe cold performance by the way that insulating layer is arranged, while further improving and leading core
Electrical insulating property, oxidative resistance, ageing resistance and mildew resistance and chemical stability, embossing copper sheath is in high temperature and flame ablation
Under, the organic principle pricked in line copper sheath can be ablated in a short period of time and then be converted into hard ceramic-like substance, from
And stop burning away for flame, to improve the fire-retardant and fire resistance of cable, further increased by the way that filled layer is arranged
The fire resistance of cable, while can prevent flame from passing through, to insulating layer play the role of protection, passes through and high resistant is set
Combustion oxygen barrier layer plays fire-retardant effect, while having further functioned as the effect of starvation, further prevents the continuation of flame
Burning, further improves the flame retardant property of cable, is used to prevent cable from being isolated by sharp objects by the way that metal protection layer is arranged,
The anti-cutting performance of cable is improved, while further improving the tensile resistance of cable, epoxy resin has good impervious
Leakage performance to improve the water resistance of cable itself avoids that metal protection layer is caused the case where corrosion occur, passes through setting
Protective layer plays the role of protection to waterproof layer.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of tension flame-retardant fire-resistant power cable；
As shown in the figure：Waterproof layer 1, metal protection layer 3, high fire-retardance oxygen barrier layer 4, pricks line copper sheath 5, filled layer at protective layer 2
6, insulating layer 7, lead core 8.
Specific implementation mode
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
In order to more preferably illustrate that the present embodiment, the certain components of attached drawing have omission, zoom in or out, actual product is not represented
Size；
To those skilled in the art, it is to be appreciated that certain known features and its explanation, which may be omitted, in attached drawing
's.
The following further describes the technical solution of the present invention with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1, in the embodiment of the present invention, a kind of tension flame-retardant fire-resistant power cable, including waterproof layer 1, protective layer
2, metal protection layer 3, high fire-retardance oxygen barrier layer 4, prick line copper sheath 5, filled layer 6, insulating layer 7 and lead core 8, the core 8 of leading is copper
Material, the 8 outside packet of core of leading are equipped with insulating layer 7, and the insulating layer 7 is silicone rubber material, is improved by the way that insulating layer 7 is arranged
Lead high temperature resistant, the severe cold performance of core 8, at the same further improve the electrical insulating property for leading core 8, oxidative resistance, ageing resistance and
Mildew resistance and chemical stability, 7 outside packet of the insulating layer, which is equipped with, pricks line copper sheath 5, the bundle line copper sheath 5 and insulating layer 7
Between be provided with filled layer 6, the embossing copper sheath 5 is made of T2 grades of copper strips materials, and embossing copper sheath 5 is in high temperature and flame
Under ablation, the organic principle pricked in line copper sheath 5 can be ablated in a short period of time and then be converted into hard ceramic-like object
Matter, to stop burning away for flame, to improve the fire-retardant and fire resistance of cable, the filled layer 6 is fire-retardant mine
Compounds are filled, and further improve the fire resistance of cable by the way that filled layer 6 is arranged, while can prevent flame from wearing
It crosses, to play the role of protection to insulating layer 7,5 outside packet of the bundle line copper sheath is equipped with high fire-retardance oxygen barrier layer 4, described
High fire-retardance oxygen barrier layer 4 is made of high resistant combustible material, and fire-retardant effect is played by the way that high fire-retardance oxygen barrier layer 4 is arranged, while into one
Step plays the role of starvation, further prevents burning away for flame, further improves the flame retardant property of cable, institute
It states 4 outside packet of high fire-retardance oxygen barrier layer and is equipped with metal protection layer 3, the metal protection layer 3 is metallic netted structural, by the way that gold is arranged
Belong to protective layer 3 for preventing cable from being isolated by sharp objects, improves the anti-cutting performance of cable, while further improving cable
Tensile resistance, the outside of the metal protection layer 3 packet is equipped with waterproof layer 1, and the waterproof layer 1 is made of epoxide resin material,
There is epoxy resin good leakage resistance energy to avoid causing metal protection layer 3 to improve the water resistance of cable itself
There is the case where corrosion, the waterproof layer 1 is wrapped with protective layer 2, and the material of protective layer 2 is low smoke, zero halogen cross-linking flame-retardant polyene
Hydrocarbon plays the role of protection by the way that protective layer 2 is arranged to waterproof layer 1.
The present invention operation principle be：The high temperature resistant for leading core 8, severe cold performance are improved by the way that insulating layer 7 is arranged, while into
One step improves the electrical insulating property for leading core 8, oxidative resistance, ageing resistance and mildew resistance and chemical stability, embossing copper sheath 5
Under high temperature and flame ablation, the organic principle pricked in line copper sheath 5 can be ablated in a short period of time and then be converted into heavily fortified point
Hard ceramic-like substance, to improve the fire-retardant and fire resistance of cable, passes through setting to stop burning away for flame
Filled layer 6 further improves the fire resistance of cable, while can prevent flame from passing through, to play protection to insulating layer 7
Effect, play fire-retardant effect by the way that high fire-retardance oxygen barrier layer 4 is arranged, while having further functioned as the effect of starvation,
Burning away for flame is further prevented, the flame retardant property of cable is further improved, by the way that metal protection layer 3 is arranged for preventing
Only cable is isolated by sharp objects, improves the anti-cutting performance of cable, while further improving the tensile resistance of cable, ring
There is oxygen resin good leakage resistance energy to improve the water resistance of cable itself to avoid that metal protection layer 3 is caused to go out
The case where existing corrosion, plays the role of protection by the way that protective layer 2 is arranged to waterproof layer 1.
The same or similar label correspond to the same or similar components；
Position relationship described in attached drawing is used to only for illustration, should not be understood as the limitation to this patent；
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of invention
Protection domain within.
Claims (5)
1. a kind of tension flame-retardant fire-resistant power cable, which is characterized in that including waterproof layer, protective layer, metal protection layer, high fire-retardance
Oxygen barrier layer pricks line copper sheath, filled layer, insulating layer and leads core, and described lead is wrapped on the outside of core equipped with insulating layer, the insulating layer outside
Packet, which is equipped with, pricks line copper sheath, and filled layer is provided between the bundle line copper sheath and insulating layer, is wrapped on the outside of the bundle line copper sheath
Equipped with high fire-retardance oxygen barrier layer, the high fire-retardance oxygen barrier layer is made of high resistant combustible material, and packet is equipped on the outside of the high fire-retardance oxygen barrier layer
Metal protection layer, the metal protection layer are metallic netted structural, are wrapped on the outside of the metal protection layer and are equipped with waterproof layer, described anti-
Water layer is made of epoxide resin material, and the waterproof layer is wrapped with protective layer.
2. tension flame-retardant fire-resistant power cable according to claim 1, which is characterized in that the core of leading is leading for copper material
Core.
3. tension flame-retardant fire-resistant power cable according to claim 2, which is characterized in that the embossing copper sheath is to use
Sheath made of T2 grades of copper strips materials.
4. tension flame-retardant fire-resistant power cable according to claim 3, which is characterized in that the filled layer is fire-retardant mineral
Compound filler.
5. tension flame-retardant fire-resistant power cable according to claim 4, which is characterized in that the protective layer is low smoke, zero halogen
Cross-linking flame-retardant polyolefin mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810438276.6A CN108428498A (en) | 2018-05-09 | 2018-05-09 | A kind of tension flame-retardant fire-resistant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810438276.6A CN108428498A (en) | 2018-05-09 | 2018-05-09 | A kind of tension flame-retardant fire-resistant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108428498A true CN108428498A (en) | 2018-08-21 |
Family
ID=63162550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810438276.6A Pending CN108428498A (en) | 2018-05-09 | 2018-05-09 | A kind of tension flame-retardant fire-resistant power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108428498A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616785A (en) * | 2015-01-30 | 2015-05-13 | 安徽省高沟电缆有限公司 | High-temperature-resistant moisture-proof industrial cable |
| CN207302725U (en) * | 2017-09-15 | 2018-05-01 | 亿润线缆（常州）有限公司 | A kind of novel flexible fire prevention mineral cable |
| CN208093186U (en) * | 2018-05-09 | 2018-11-13 | 广东电网有限责任公司 | A kind of tension flame-retardant fire-resistant power cable |
-
2018
- 2018-05-09 CN CN201810438276.6A patent/CN108428498A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616785A (en) * | 2015-01-30 | 2015-05-13 | 安徽省高沟电缆有限公司 | High-temperature-resistant moisture-proof industrial cable |
| CN207302725U (en) * | 2017-09-15 | 2018-05-01 | 亿润线缆（常州）有限公司 | A kind of novel flexible fire prevention mineral cable |
| CN208093186U (en) * | 2018-05-09 | 2018-11-13 | 广东电网有限责任公司 | A kind of tension flame-retardant fire-resistant power cable |
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