CN107945932A - Aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable - Google Patents
Aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable Download PDFInfo
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- CN107945932A CN107945932A CN201711497425.8A CN201711497425A CN107945932A CN 107945932 A CN107945932 A CN 107945932A CN 201711497425 A CN201711497425 A CN 201711497425A CN 107945932 A CN107945932 A CN 107945932A
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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
- H01B7/0275—Disposition of insulation comprising one or more extruded layers 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
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
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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
- H01B7/20—Metal tubes, e.g. lead sheaths
- H01B7/201—Extruded metal tubes
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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
- H01B7/20—Metal tubes, e.g. lead sheaths
- H01B7/205—Metal tubes, e.g. lead sheaths composed of aluminium
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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
-
- 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
- H01B7/2806—Protection against damage caused by corrosion
-
- 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
-
- 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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Abstract
The invention discloses aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable, including cable core, it is characterised in that：The cable core is twisted by more refractory insulated wire cores；Mica inhibiting tape is filled in the gap of cable core; the second ceramic silicone rubber insulation layer is extruded outside cable core; fire insulation insulating layer is extruded outside the second ceramic silicone rubber insulation layer; fire resisting expanding layer is extruded outside fire insulation insulating layer; aluminium sheath is extruded outside fire resisting expanding layer; extruding macromolecular composite ceramic coating polyolefine material extrudes inorganic mineral oversheath as fireproof jointing sheath outside fireproof jointing sheath outside aluminium sheath；The fire insulation insulating layer is combined by three-in-one fluorophologopite band and insulating material of polyethylene；The fire insulation insulating layer is combined by three-in-one fluorophologopite band and insulating material of polyethylene.The present invention has the performances such as nontoxic, high temperature resistant, fire resisting, alkaline-resisting, oil resistant, antioxidant, corrosion resistance.
Description
Technical field
The present invention relates to electric wire field, and in particular to aluminium core copper sheath ceramic insulation mineral oversheath fire resistant flexible electricity
Cable.
Background technology
Fire refers to the disaster caused by out of control burning over time and space.In various disasters, fire is
Most frequently, one of major casualty of public security and social development is most generally threatened.
With the continuous development of society, while the wealth of society is increasing, the danger that fire occurs is caused also to exist
Increase, the harmfulness of fire is also increasing.According to statistics, China's fire seventies annual loss is less than 2.5 hundred million yuan, the eighties
Fire annual is lost less than 3.2 hundred million yuan.Into the nineties, particularly since 1993, direct property loss caused by fire
Rise to average annual more than ten00000000 yuan.To make an inventory according to Chinese fire protection, national whole year in 2014 is informed of a case fire 39.5 ten thousand, dead 1817 people,
Injured 1493 people, direct property loss is up to 43.9 hundred million yuan.From the point of view of statistics, electrical fire accounts for 36.9% in fire, causes
Economic loss account for 58.6%.Although the main reason for anoxic, high temperature in fire, flue dust, poisonous gas are the harm person,
According to statistical analysis the reason for causing casualties in fire, smoked due to anthracemia death by suffocation or by other poison gas
The dead typically constitutes from the 40%~50% of the total death toll of fire.
In order to save more life, property and information from the merciless scene of a fire, it during being applied to of fireproof cable is attached most importance to
Weight, and fireproof cable currently on the market can be divided into two kinds of rigidity and flexibility by architectural characteristic.Due to rigid mineral insulation electricity
Cable rigidity mineral insulated cable（Mineral Insulated Cable）Abbreviation MI cables are in terms of reliability, production and laying
The defects of, gradually quit listing in European and American developed countries, the mainstream cable that flexible mineral insulation fireproof cable becomes fire protection field produces
Product.
The content of the invention
In order to overcome the deficiencies in the prior art, there is provided one kind have nontoxic, high temperature resistant, fire resisting, alkaline-resisting, oil resistant,
The aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable of antioxidant, corrosion resistance.
To achieve the above object, the present invention provides copper core copper sheath inorganic insulated polyvinyl chloride oversheath fire resistant flexible electricity
Cable, including cable core, the cable core are twisted by more refractory insulated wire cores；In the gap of cable core, filling mica is fire-retardant
Band, extrudes the second ceramic silicone rubber insulation layer outside cable core, and fire insulation insulating layer is extruded outside the second ceramic silicone rubber insulation layer,
Fire resisting expanding layer is extruded outside fire insulation insulating layer, the longitudinal wrap aluminium sheath outside fire resisting expanding layer, extruding macromolecular is compound outside aluminium sheath
Ceramic polyolefine material extrudes inorganic mineral oversheath as fireproof jointing sheath outside fireproof jointing sheath；The fire insulation is exhausted
Edge layer is combined by three-in-one fluorophologopite band and insulating material of polyethylene；The refractory insulated wire cores are led by aluminium
The ceramic silicone rubber insulation layer of body, first be extruded in outside aluminium conductor, the fire resisting being extruded in outside the first ceramic silicone rubber insulation layer are swollen
Swollen layer and the fire-retardant inner sheath outside fire resisting expanding layer are formed.
Preferably, fire-proof mud is scribbled on the copper sheath and polyvinyl chloride oversheath inner surface.
Preferably, fire-proof mud is scribbled on the fire-retardant inner sheath inner surface.
Preferably, the three-in-one fluorophologopite band is attached to system among layer glass fiber cloth by synthetic mica
Into.
Preferably, the thickness ratio of the first ceramic silicone rubber insulation layer and the second ceramic silicone rubber insulation layer is 1：
2.2。
Preferably, the thickness of the described first ceramic silicone rubber insulation layer is 1.5mm-2mm.Compared with prior art, this hair
Bright beneficial effect is：
1st, present invention filling uses mica inhibiting tape, considerably increases the fire resistance of cable.
2nd, using fire resisting expanding layer so that the cable is not in damage in the technical process such as carrying, mobile, laying,
It ensure that the safe to use of cable.
3rd, using aluminium sheath so that the fire resistance of the cable, resistance foreign impacts ability are all strengthened；Best screen
Cover protective layer, you can prevent interference of the cable to other cables in itself, and can prevent external magnetic field from must disturb itself.
4th, fire insulation insulating layer adds the Composite Double for extruding cross-linked polyethylene insulating material using wrapped three-in-one fluorophologopite band
Layer insulation system, makes cable that there is good fire protecting performance to ensure the excellent electric property of cable again.Three-in-one fluorophlogopite belt
It is to replace hydroxyl with fluorine ion, it is main material to obtain size and crystal form more preferably synthetic mica, is attached among layer glass cloth.
So that the mica tape have the coefficient of expansion is small, dielectric strength is big, resistivity is high and the electrical property of dielectric constant even and excellent outside, especially
It is temperature classification height, and it is horizontal to can reach A grades of fire resistings（950~1000 DEG C）.
5th, ceramic silicone rubber insulation layer is designed with inside and outside cable, is formed using inorganic matter, itself will not cause fire
Calamity, it is impossible to which burning is combustion-supporting, will not more produce poisonous gas, even if the outer burning having in flame, cable can still work normally.
Mineral cable continuous work temperature is 250 DEG C, when at 950 DEG C -1000 DEG C, sustainable power supply 3 is small, short time or unusual time
It is close to 1083 DEG C of work of fusing point of copper.
6th, by increasing or changing corresponding structure or material, " insulation of composite double layer fire insulation type " and " fire prevention are designed
Protective layer " forms the flexible fire-proof cable of " fire prevention dual fail-safe ", which can be in thermal-flame, mechanical shock, water spray
Under acting at the same time, still possesses the ability of normal work within a very long time；Replaced using macromolecule composite ceramic coating polyolefin
For the Ceramic silicon rubber material that generation traditional fire prevention/fire-resisting cable uses as fireproofing of cable layer, the material is economic and environment-friendly, can
To reduce the cost of cable, while the processing technology of the material is simple, and batch production is more efficient, quality is more stable.
7th, fire-proof mud is equipped with three kinds of jacket inner surfaces, for the holes blocking of cable, to prevent electric wire, cable from fire occurs
Calamity and spread from hole to adjacent room, reduce fire damage, avoiding the expansion of accident has the function of resistance cigarette, fire prevention, dust-proof etc.；Also have
There are good back-fire relief, stifled cigarette, oil resistant, water-fast, corrosion resistance.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
The present invention rather than limit the scope of the invention, after the present invention has been read, those skilled in the art are to of the invention each
The modification of kind equivalent form falls within the application appended claims limited range.
As shown in Figure 1, the present invention provides aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable, including cable
Core, the cable core are twisted by more refractory insulated wire cores；Wherein, refractory insulated wire cores by aluminium conductor 1, extrude
The first ceramic silicone rubber insulation layer 2 outside aluminium conductor, the fire resisting expanding layer 3 being extruded in outside the first ceramic silicone rubber insulation layer with
And the fire-retardant inner sheath 4 outside fire resisting expanding layer is formed.
Then in the gap of cable core filling mica inhibiting tape 5, the second ceramic silicone rubber insulation layer 6 is extruded outside cable core,
Fire insulation insulating layer 7 is extruded outside the second ceramic silicone rubber insulation layer, fire resisting expanding layer 8 is extruded outside fire insulation insulating layer, the fire resisting
The expansion rate of expanding layer is more than 1.3, and the average thickness of the fire resisting expanding layer is below 1.3mm, outside fire resisting expanding layer
Aluminium sheath 9 is extruded, extruding macromolecular composite ceramic coating polyolefine material is protected as fireproof jointing sheath 10 in fire prevention outside copper sheath
Polyvinyl chloride oversheath 11 is extruded outside sheath；The fire insulation insulating layer is by three-in-one fluorophologopite band and polyethylene insulation
Material is combined；Three-in-one fluorophologopite band is attached among layer glass fiber cloth by synthetic mica and is made.
Scribbled in order to make cable ectonexine flameproof effect more preferable, then on copper sheath and polyvinyl chloride oversheath inner surface anti-
Fire-proof mud is scribbled on chamotte and fire-retardant inner sheath inner surface.
Cable tight ness rating is more preferable and flameproof effect is more preferable in order to make, the first inorganic mineral insulation layer and the second inorganic mineral
The thickness ratio of insulating layer is 1：1.5, the thickness of the first inorganic mineral insulation layer is 1.5mm-2mm.
The above is only the preferred embodiment of the present invention, it is noted that is come for those of ordinary skill in the art
Say, without departing from the principle of the present invention, some variations and modifications can also be made, these also should be regarded as belonging to the present invention
Protection domain.
Claims (6)
1. aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable, including cable core, it is characterised in that：The cable core by
More refractory insulated wire cores are twisted；Mica inhibiting tape is filled in the gap of cable core, the second pottery is extruded outside cable core
Porcelain silicone rubber insulation layer, extrudes fire insulation insulating layer outside the second ceramic silicone rubber insulation layer, fire resisting is extruded outside fire insulation insulating layer
Expanding layer, extrudes aluminium sheath outside fire resisting expanding layer, the extruding macromolecular composite ceramic coating polyolefine material conduct outside aluminium sheath
Fireproof jointing sheath, extrudes inorganic mineral oversheath outside fireproof jointing sheath；The fire insulation insulating layer is by three-in-one fluorophologopite
Band and insulating material of polyethylene are combined；The refractory insulated wire cores by aluminium conductor, be extruded in outside aluminium conductor
First ceramic silicone rubber insulation layer, the fire resisting expanding layer being extruded in outside the first ceramic silicone rubber insulation layer and swollen around fire resisting
Fire-retardant inner sheath outside swollen layer is formed.
2. aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable according to claim 1, it is characterised in that：
Fire-proof mud is scribbled on the inner surface of the aluminium sheath.
3. aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable according to claim 1, it is characterised in that：
Fire-proof mud is scribbled on the fire-retardant inner sheath inner surface.
4. aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable according to claim 1, it is characterised in that：
The three-in-one fluorophologopite band is attached among layer glass fiber cloth by synthetic mica to be made.
5. copper core copper sheath inorganic insulated vinyl chloride oversheath flexible fire-proof cable according to claim 1, its feature exist
In：The thickness ratio of the ceramic silicone rubber insulation layer of described first and the second ceramic silicone rubber insulation layer is 1：2.2.
6. aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable according to claim 1, it is characterised in that：It is described
The thickness of first ceramic silicone rubber insulation layer is 1.5mm-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711497425.8A CN107945932A (en) | 2017-12-31 | 2017-12-31 | Aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711497425.8A CN107945932A (en) | 2017-12-31 | 2017-12-31 | Aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable |
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| Publication Number | Publication Date |
|---|---|
| CN107945932A true CN107945932A (en) | 2018-04-20 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711497425.8A Withdrawn CN107945932A (en) | 2017-12-31 | 2017-12-31 | Aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable |
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| CN (1) | CN107945932A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112164507A (en) * | 2020-09-25 | 2021-01-01 | 安徽德尔电气集团有限公司 | Acid and alkali corrosion resistant marine cable and manufacturing method thereof |
| CN114188085A (en) * | 2022-02-16 | 2022-03-15 | 广东金华电缆股份有限公司 | Multi-core flexible mineral insulation fireproof cable and preparation method thereof |
| CN114300179A (en) * | 2021-12-29 | 2022-04-08 | 福建礼恩科技有限公司 | Aluminum metal sheath isolated flexible fireproof cable |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206639628U (en) * | 2017-04-26 | 2017-11-14 | 江苏东峰电缆有限公司 | A kind of mineral insulation aluminium sheath flexible optical fibre composite fireproof cable |
| CN206726796U (en) * | 2017-04-13 | 2017-12-08 | 江苏东峰电缆有限公司 | Copper core copper sheath inorganic insulated polyvinyl chloride oversheath flexible fire-proof cable |
-
2017
- 2017-12-31 CN CN201711497425.8A patent/CN107945932A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206726796U (en) * | 2017-04-13 | 2017-12-08 | 江苏东峰电缆有限公司 | Copper core copper sheath inorganic insulated polyvinyl chloride oversheath flexible fire-proof cable |
| CN206639628U (en) * | 2017-04-26 | 2017-11-14 | 江苏东峰电缆有限公司 | A kind of mineral insulation aluminium sheath flexible optical fibre composite fireproof cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112164507A (en) * | 2020-09-25 | 2021-01-01 | 安徽德尔电气集团有限公司 | Acid and alkali corrosion resistant marine cable and manufacturing method thereof |
| CN114300179A (en) * | 2021-12-29 | 2022-04-08 | 福建礼恩科技有限公司 | Aluminum metal sheath isolated flexible fireproof cable |
| CN114188085A (en) * | 2022-02-16 | 2022-03-15 | 广东金华电缆股份有限公司 | Multi-core flexible mineral insulation fireproof cable and preparation method thereof |
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Application publication date: 20180420 |
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