CN105931698A - Environmental protection flexible fireproof cable and preparation method thereof - Google Patents
Environmental protection flexible fireproof cable and preparation method thereof Download PDFInfo
- Publication number
- CN105931698A CN105931698A CN201610307903.3A CN201610307903A CN105931698A CN 105931698 A CN105931698 A CN 105931698A CN 201610307903 A CN201610307903 A CN 201610307903A CN 105931698 A CN105931698 A CN 105931698A
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- Prior art keywords
- copper
- environmental protection
- fireproof cable
- sheath
- protection flexible
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Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/10—Insulating conductors or cables by longitudinal lapping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/221—Sheathing; Armouring; Screening; Applying other protective layers filling-up interstices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses an environmental protection flexible fireproof cable which includes intertwisted copper conductors, insulation layers, inorganic fiber filling layers, a copper sheath and an external sheath. The copper sheath is provided with a plurality of interwisted copper conductors therein. Each intertwisted copper conductor is provided with the insulation layers on the outside thereof. The copper sheath and one insulation layer are provided with the inorganic fiber filling layer therebetween. The invention also provides a preparation method of the environmental protection flexible fireproof cable. The method comprises the following steps: (1) material purchasing; (2) conductor drawing and pulling; (3) conductor intertwisting; (4) insulation winding; (5) core stranding and filling; (6) copper strip welding; (7) external sheath extruding; (8) completing products, inspection, and warehousing. According to the invention, the environmental protection flexible fireproof cable is characterized by simple structure, fire prevention, explosion prevention, radiation resistance, electromagnetic interference resistance, excellent grounding performance, no halogen, no smoke, no poison, no toxicity, strong corrosion resistance, advanced manufacturing technology, simple installation, and explicit low comprehensive cost than that of other insulation cables under same circumstances.
Description
Technical field
The present invention relates to a kind of cable and preparation method thereof, specifically a kind of environmental protection flexible fireproof cable and preparation method thereof.
Background technology
Flexible fire-proof cable has good fire protecting performance, and its overload protection ability is also that comparison is powerful, the current-carrying of this product
Measuring bigger, operating temperature can be higher, has the most waterproof, anticorrosion, explosion-proof effect.Its service life is also
This long product weight is gentlier the equipment of a Environmental Safety.Just because of it has so many advantage, it is by extensively
Apply at public building generally, skyscraper, hospital, warehouse, bank, library, museum, harbour, station, electricity
Power Dispatching Building, telecommunications building, high temperature applications, metallurgical industry, glass industry, steel and iron industry, petrochemical industry, chemistry
Industry, natural gas, paper-making industry, war industry, underground, square, underground, underground storehouse, transport and commuter zone knob are soft
Property, the industry such as flexible fire-proof cable product property introduction.
The interference free performance of flexible mineral matter fireproof cable is all the goodst, and it have employed the material of low electric capacity and inductance
It is made, so having good capability of electromagnetic shielding and jamproof effect in the middle of the process of reality application.It
Resistance to elevated temperatures is also that comparison is excellent because cable material in the middle of also have the most resistant to elevated temperatures I want hand over so it can be the highest
At a temperature of use the fault that can keep will not occurring for a long time line short flame combustion when normally.Can be at fire
The when of calamity burning, reducing the loss brought because of circuit burning, flexible mineral matter fireproof cable is the product of a environmental protection,
Because use in the middle of cable is all halogen-free cable sizing material.So flue dust is considerably less burning when, can prevent fires
Flexible mineral matter fireproof cable reduces the impact on environment with having which feature effect, and the structure of cable also has special
Intrinsically safe circuit designs, so have also exceeded general control cable on anti-explosion safety performance.
The traditional manufacturing technique of flexible fire-proof cable: conductor drawing conductor strand insulating exruded core plying chosen by material
Sheathing product inspection is put in storage wherein: insulating exruded is to be close on conductor by extruder extrusion barrel, sheath
Extrusion is to be close on core by extruder extrusion barrel.
Summary of the invention
It is an object of the invention to provide a kind of environmental protection flexible fireproof cable and preparation method thereof.
For achieving the above object, the present invention provides following technical scheme:
A kind of environmental protection flexible fireproof cable, including twisted copper conductors, insulating barrier, inorfil packed layer, copper sheath and protects outward
Set, is provided with multiple twisted copper conductors in described copper sheath, be equipped with insulating barrier outside described twisted copper conductors, described copper sheath with
Inorfil packed layer it is provided with between insulating barrier.
As the further scheme of the present invention: also include oversheath, arrange oversheath outside described copper sheath.
As the present invention further scheme: described insulating barrier uses high temperature resistant incombustible inorganic mineral insulation material system
Become.
As the present invention further scheme: described oversheath uses the plastic material that low smoke and zero halogen is nontoxic to make.
As the present invention further scheme: the preparation method of described environmental protection flexible fireproof cable, comprise the following steps:
(1) material is chosen；
(2) conductor drawing；
(3) conductor strand, copper cash is stranded, has good bendability；
(4) insulate wrapped, with inorganic material be wound around be close on conductor；
(5) core plying is filled, and fills inorfil material high temperature resistant, incombustible；
(6) copper strips welding, copper strips welding drum is close on core, then through continuous rolling ripple forming；
(7) oversheath extrusion, protective metal shell can not the additional one layer of low smoke and zero halogen sheath of exposed occasion；
(8) finished product, check, put in storage.
Compared with prior art, the invention has the beneficial effects as follows: simple in construction, cable machinery intensity is high, and current-carrying capacity is big, mistake
Loading capability is strong, and cable not only self cannot burn, and more will not cause burning things which may cause a fire disaster, even if in the case of catching fire, cable still can be just
Often work, as long as and flame temperature is less than the melting temperature of copper, after the condition of a fire eliminates, cable, without changing, may continue to make
With, explosion-proof, radiation hardness, anti-electromagnetic interference, good ground connection property, Halogen, smokeless, nontoxic, corrosion resistance is strong, makes
Technique is advanced, installs simple, and under equal conditions its comprehensive cost substantially reduces than the expense of other insulated cables.
Accompanying drawing explanation
Fig. 1 is the structural representation of environmental protection flexible fireproof cable.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly and completely
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under not making creative work premise
Execute example, broadly fall into the scope of protection of the invention.
Refer to Fig. 1, in the embodiment of the present invention, a kind of environmental protection flexible fireproof cable, including twisted copper conductors 1, insulating barrier 2,
Inorfil packed layer 3, copper sheath 4 and oversheath 5, be provided with multiple twisted copper conductors 1, described strand in described copper sheath 4
Close and be equipped with, outside copper conductor 1, the insulating barrier 2 that inorganic insulating material is made, between described copper sheath 4 and insulating barrier 2, be provided with nothing
Organic fiber packed layer 3, described copper sheath 4 is externally provided with low smoke and zero halogen oversheath 5.
The preparation technology of described environmental protection flexible fireproof cable, comprises the following steps:
(1) material is chosen；
(2) conductor drawing；
(3) conductor strand, copper cash is stranded, has good bendability；
(4) insulate wrapped, with inorganic material be wound around be close on conductor；
(5) core plying is filled, and fills inorfil material high temperature resistant, incombustible；
(6) copper strips welding, copper strips welding drum is close on core, then through continuous rolling ripple forming；
(7) oversheath extrusion, protective metal shell can not additional strata alkene (low smoke and zero halogen) sheath of exposed occasion；
(8) finished product, check, put in storage.
Insulating barrier 2 uses high temperature resistant incombustible inorganic mineral insulation material；
Copper sheath 4 uses copper material, to have good flexural property through special processing；
Oversheath 5 uses the plastic material that low smoke and zero halogen is nontoxic, has good anti-corrosion property.
The cable of the present invention improves environmental-protection fireproof non-toxic and safe, is adapted under specific disaster scenarios it still not power-off and ensures disaster relief electricity
Source.For improving safe effect, the harmful gass such as hydrogen halides will not be produced by propagating combustion, reach the design of environmental safety.
The cable of the present invention has characteristics that
1. fire protecting performance is excellent, and fire resistance rating not only meets GB GB12666.6A class 950 DEG C, 90min, also can meet English
650 DEG C of 3h of A level of regulation in state BS6387-1994；750 DEG C of 3h of B level；The 950 DEG C of 3h requirements of C level；Meanwhile, in combustion
Burning is also resistant to water spray and mechanical impact；
2. continuous length is long, no matter is single, or multicore cable, and its length can meet for electrical length needs, and every continuously
Length is up to 1000m；
3. cross section is big, and single-core cable cross section is up to 1000mm2, multicore cable cross section is up to 240mm2；
4. having flexibility, cable can coil on cable hank, its bending radius≤20D, (D is the outside diameter of cable)；
5. the most nontoxic during burning, insulation uses inorganic material (non-combustible component), will not produce any harmful gas during burning
Body, more will not occur secondary pollution, deserve to be called environment-friendly and green product；
6. overload capacity is big, and cable not only current-carrying capacity is big, and has bigger overload capacity.To show according to wiring, logical
Often cable surface temperature≤70 DEG C, if wiring is the most tangible, when not contacting with flammable construction material, cable cover(ing) temperature
105 DEG C can be brought up to.During overload, flexible fire-proof cable Long-term service temperature is up to 250 DEG C；
The most corrosion-resistant, organic insulation fire-resisting cable needs to wear plastic tube or iron pipe sometimes, and plastic tube is the most aging to become fragile, and iron pipe is easy
Corrosion, fireproof cable has copper sheath to be not necessary to poling, copper sheath good corrosion resistance；
8. shielding properties is superior, when fireproof cable and the line such as information, control lay in same vertical shaft, at the screen of copper sheath
Under covering, the information of signal, control electric wire transmission will not be produced interference；
9. security performance is good, fireproof cable can in flame normal power supply, start fire-extinguishing apparatus, reduce fire damage, right
Personal safety is the most reliable, and its copper sheath is excellence conductor, is best ground connection PE line, and continues to cable total length,
Substantially increase ground protection sensitivity and reliability；
10. service life is long, and inorganic insulating material heatproof is high, and is difficult to aging, and his life-span is higher than organic insulation cable is permitted
Many times, in normal operation, its life-span up to a century more than；
The transport of 11. flexible fire-proof cables and installation include that installation fitting is similar to common cable, more simply；
12. good economy performance, flexible fire-proof cable is advanced due to processing technology, installs simple, under equal conditions its Integrated Cost
Substantially reduce with than the expense of mineral insulated cable.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and do not carrying on the back
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter from
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.Should not be considered as limiting involved claim by any reference in claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only comprises
One independent technical scheme, this narrating mode of description is only the most for clarity sake, and those skilled in the art should be by
Description is as an entirety, and the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can
With other embodiments understood.
Claims (5)
1. an environmental protection flexible fireproof cable, including twisted copper conductors (1), insulating barrier (2), inorfil packed layer
(3), copper sheath (4) and oversheath (5), it is characterised in that be provided with multiple stranded copper in described copper sheath (4) and lead
Body (1), is equipped with insulating barrier (2), described copper sheath (4) and insulating barrier (2) outside described twisted copper conductors (1)
Between be provided with inorfil packed layer (3).
Environmental protection flexible fireproof cable the most according to claim 1, it is characterised in that also include oversheath (5), institute
State and oversheath (5) is set outside copper sheath (4).
Environmental protection flexible fireproof cable the most according to claim 1, it is characterised in that described insulating barrier (2) uses resistance to
High temperature incombustible inorganic mineral insulation material is made.
Environmental protection flexible fireproof cable the most according to claim 2, it is characterised in that described oversheath (5) uses low
The plastic material that cigarette Halogen is nontoxic is made.
5. the preparation method of the environmental protection flexible fireproof cable as described in claim 1-4 is arbitrary, it is characterised in that include
Following steps:
(1) material is chosen；
(2) conductor drawing；
(3) conductor strand, copper cash is stranded, has good bendability；
(4) insulate wrapped, with inorganic material be wound around be close on conductor；
(5) core plying is filled, and fills inorfil material high temperature resistant, incombustible；
(6) copper strips welding, copper strips welding drum is close on core, then through continuous rolling ripple forming；
(7) oversheath extrusion, protective metal shell can not the additional one layer of low smoke and zero halogen sheath of exposed occasion；
(8) finished product, check, put in storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610307903.3A CN105931698A (en) | 2016-05-10 | 2016-05-10 | Environmental protection flexible fireproof cable and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610307903.3A CN105931698A (en) | 2016-05-10 | 2016-05-10 | Environmental protection flexible fireproof cable and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105931698A true CN105931698A (en) | 2016-09-07 |
Family
ID=56835557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610307903.3A Pending CN105931698A (en) | 2016-05-10 | 2016-05-10 | Environmental protection flexible fireproof cable and preparation method thereof |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111028997A (en) * | 2019-12-02 | 2020-04-17 | 广州亚太线缆科技有限公司 | Mineral insulation power cable and preparation method thereof |
| CN114334257A (en) * | 2021-12-30 | 2022-04-12 | 山东菲达电力科技股份有限公司 | Intrinsic safety type fire-resistant mineral insulated cable, cable stripping device and using method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11207492A (en) * | 1998-01-21 | 1999-08-03 | Nippon Steel Corp | Manufacture of flux cored wire for welding stainless steel |
| CN102982895A (en) * | 2012-11-20 | 2013-03-20 | 江苏双登电力科技有限公司 | Manufacturing method for copper core mineral insulation fire-resisting cables |
| CN203038702U (en) * | 2012-12-21 | 2013-07-03 | 福州永通电线电缆有限公司 | Flexible fireproof cable |
-
2016
- 2016-05-10 CN CN201610307903.3A patent/CN105931698A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11207492A (en) * | 1998-01-21 | 1999-08-03 | Nippon Steel Corp | Manufacture of flux cored wire for welding stainless steel |
| CN102982895A (en) * | 2012-11-20 | 2013-03-20 | 江苏双登电力科技有限公司 | Manufacturing method for copper core mineral insulation fire-resisting cables |
| CN203038702U (en) * | 2012-12-21 | 2013-07-03 | 福州永通电线电缆有限公司 | Flexible fireproof cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111028997A (en) * | 2019-12-02 | 2020-04-17 | 广州亚太线缆科技有限公司 | Mineral insulation power cable and preparation method thereof |
| CN114334257A (en) * | 2021-12-30 | 2022-04-12 | 山东菲达电力科技股份有限公司 | Intrinsic safety type fire-resistant mineral insulated cable, cable stripping device and using method thereof |
| CN114334257B (en) * | 2021-12-30 | 2023-09-19 | 山东菲达电力科技股份有限公司 | Intrinsic safety type fireproof mineral insulated cable, cable stripping device and use method thereof |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Shuangquan Inventor after: Lu Jian Inventor after: Zhou Mo Inventor after: Jiang Shunli Inventor after: Cao Shubin Inventor after: Song Zhicong Inventor after: Song Dongmei Inventor after: Wang Lijun Inventor after: Gong Wenhao Inventor after: Fang Baozhu Inventor after: Zhao Yun Inventor before: Song Shuangquan Inventor before: Jiang Shunli Inventor before: Cao Shubin Inventor before: Song Zhicong Inventor before: Song Dongmei Inventor before: Wang Lijun Inventor before: Gong Wenhao Inventor before: Fang Baozhu |
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Application publication date: 20160907 |