CN205302999U - Metal sheath inorganic mineral insulation flexible fireproof cable - Google Patents
Metal sheath inorganic mineral insulation flexible fireproof cable Download PDFInfo
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- CN205302999U CN205302999U CN201620043778.5U CN201620043778U CN205302999U CN 205302999 U CN205302999 U CN 205302999U CN 201620043778 U CN201620043778 U CN 201620043778U CN 205302999 U CN205302999 U CN 205302999U
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- 238000009413 insulation Methods 0.000 title claims abstract description 31
- 239000002184 metal Substances 0.000 title claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 13
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 11
- 239000010445 mica Substances 0.000 claims abstract description 18
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 18
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 17
- 229910000792 Monel Inorganic materials 0.000 claims abstract description 9
- 229920000728 polyester Polymers 0.000 claims abstract description 9
- 238000009422 external insulation Methods 0.000 claims abstract description 8
- 238000004049 embossing Methods 0.000 claims abstract description 7
- 238000005253 cladding Methods 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 238000000137 annealing Methods 0.000 claims abstract description 5
- 239000003365 glass fiber Substances 0.000 claims abstract description 5
- 239000000835 fiber Substances 0.000 claims abstract description 4
- 239000000919 ceramic Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 238000002955 isolation Methods 0.000 abstract 4
- 230000037250 Clearance Effects 0.000 abstract 2
- 230000035512 clearance Effects 0.000 abstract 2
- 230000002349 favourable Effects 0.000 abstract 1
- 239000003063 flame retardant Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 38
- 238000005452 bending Methods 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- -1 and when fire occurs Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003000 nontoxic Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 206010067482 No adverse event Diseases 0.000 description 1
- 231100000614 Poison Toxicity 0.000 description 1
- 210000003491 Skin Anatomy 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model relates to a metal sheath inorganic mineral insulation flexible fireproof cable, including three sinle silks, insulating layer and oversheaths. Three sinle silks strand into the cable core, the insulating layer cladding outside the cable core, the outside cladding oversheath of insulating layer, clearance between sinle silk and the insulating layer and the clearance between the sinle silk are equipped with the filling layer. The fibre core comprises conductor, isolation layer and insulating layer, and isolation layer overlapping is in the outside of conductor, and the insulating layer cladding is in the outside of isolation layer. The conductor is the annealing copper wire, and the isolation layer is high temperature resistant polyester area, and the filling layer is fire -retardant glass fiber strip. The insulating layer divide into the inner insulating layer and external insulation layer, and the inner insulating layer is the fire -resistant synthetic mica tape of three -layer, and the external insulation layer is three -layer pottery silicon rubber area. The insulating layer is fire -resistant synthetic mica tape of one deck and three -layer pottery silicon rubber area, and the oversheath is the monel area of continuous embossing. The utility model discloses improve the high temperature resistant of cable and fire behavior, be favorable to reducing people's life loss of property, improved the safety in utilization of cable.
Description
Technical field
This utility model belongs to power equipment and equipment technical field, relates to a kind of cable, is specifically related to a kind of metal sheath inorganic mineral insulation flexible fireproof cable.
Background technology
Along with electric wire extensive use in power system, skyscraper, industrial and mining establishment, town and country distribution and communication network, the fire incident caused because of electric wire also happens occasionally. The fire caused by electric wire according to statistics accounts for more than the 60% of total electrical fire, and electric wire breaking out of fire have on fire rapidly, the intensity of a fire swift and violent, very easily spread expansion. Pyrotechnics is poisonous, difficulty of putting out a fire to save life and property, and produces with two subsidiary risks, the security of the lives and property of crisis people. The loss that fire causes is serious, recovers to require time for length. Therefore, control and minimizing electric wire fire becomes the significant problem ensureing social public security.
Common wiring is made up of conductor, insulating barrier. Low pressure aerial condutor is also divided into bare wire and covered wire two kinds, does not have insulating protective layer outside bare conductor, and covered wire has insulating protective layer. The material difference of protective layer is divided into again rubber-insulated wire and plastic insulated wire, and skin covered wire and plastic insulated wire do not have fire protecting performance. Common cable, electric wire insulant be all high-molecular organic material, under flame condition, easy carbonization, loses insulating effect. Fireproof cable is fire-fighting system key equipment, and the transmission of electricity function how can bring into normal play under flame condition is a difficult problem of fireproof cable.
Utility model content
The purpose of this utility model is to provide a kind of metal sheath inorganic mineral insulation flexible fireproof cable, to improve the high temperature resistant of cable and fire protecting performance, reduces people's life and property loss, improves the safety in utilization of cable.
The technical solution of the utility model is: metal sheath inorganic mineral insulation flexible fireproof cable, including three cores, thermal insulation layer and oversheath. Three cores are twisted into cable core, and thermal insulation layer is coated on outside cable core, and the outside cladding oversheath of thermal insulation layer, the gap between gap and core between core and thermal insulation layer is provided with packed layer. Fibre core is made up of conductor, sealing coat and insulating barrier, and sealing coat is overlapping around the outside wrapping in conductor, and insulating barrier is coated on the outside of sealing coat. Conductor is annealing copper wire, and sealing coat is high temperature resistance polyester band, and packed layer is combustion-proof glass fiber bar. Insulating barrier is divided into inner insulating layer and external insulation layer, and inner insulating layer is three layers refractory synthetic mica tape, and external insulation layer is three layers Ceramic silicon rubber band. Thermal insulation layer is one layer of refractory synthetic mica tape and three layers Ceramic silicon rubber band, and oversheath is the monel band of continuous embossing.
The thickness of high temperature resistance polyester band is 0.02mm, and the thickness of refractory synthetic mica tape is 0.14mm, and the thickness of Ceramic silicon rubber band is 0.2mm, and the thickness of monel band is 0.7mm.Conductor is that many annealing copper wires press stranded forming through high intensity stranding machine.
The insulating barrier of this utility model cable is combined by mica tape and Ceramic silicon rubber band, the coefficient of expansion is little, dielectric strength is big, resistivity is high and the uniform characteristic of dielectric constant except having for synthetic mica tape, also there is the characteristic that special temperature classification is high, the fire-resistant level of A level of 950��1000 DEG C can be reached. Ceramic silicon rubber band has excellent electrical insulating property, can reach the electrical property of XLPE and EPDM, and specific insulation is up to 2 �� 1015�� cm, the rapid porcelain of meeting under the environment of fire 350 DEG C, it is effectively isolated calorie spread protection core safety. Nontoxic, smokeless, safety and environmental protection during two kinds of insulant burnings. Adapting to low temperature and applied at elevated temperature environment, the service life of cable was up to more than 70 years. The outer wrapped mica tape of cable core and Ceramic silicon rubber band are as thermal insulation layer, and when fire occurs, Ceramic silicon rubber band is under reaching 350 DEG C of high temperature, and rapid porcelainization forms housing, is effectively isolated thermal source and conducts to cable core, it is ensured that cable normal power supply function.
This utility model metal sheath inorganic mineral insulation flexible fireproof cable improves the high temperature resistant of cable and fire protecting performance, advantageously reduces people's life and property loss, improves the safety in utilization of cable. This utility model applied range, have lightweight, high flexibility, bending radius are little, corrosion-resistant, without electromagnetic interference, current-carrying capacity is big, overload capacity is strong, environmental protection, smokelessly nontoxic and long service life advantage. Human and environment is all had no adverse effects by production manufacture and application process, meets the requirement of energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is this utility model metal sheath inorganic mineral insulation flexible fireproof cable schematic cross-section;
Wherein:
1-conductor, 2 sealing coats, 3 insulating barriers, 4 fillings, 5 thermal insulation layers, 6 oversheaths.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is described in detail. This utility model protection domain is not limited to embodiment, and those skilled in the art make any change in the scope that claim limits and fall within the scope of this utility model protection.
This utility model metal sheath inorganic mineral insulation flexible fireproof cable, as it is shown in figure 1, include three cores, thermal insulation layer 5 and oversheath 6. Three cores are twisted into cable core, and thermal insulation layer is coated on outside cable core, and thermal insulation layer is one layer of refractory synthetic mica tape and three layers Ceramic silicon rubber band. The outside cladding oversheath of thermal insulation layer, oversheath is the monel band of continuous embossing. The gap between gap and core between core and thermal insulation layer is provided with packed layer 4, and packed layer is combustion-proof glass fiber bar. Fibre core is made up of conductor 1, sealing coat 2 and insulating barrier 3. Conductor is that many annealing copper wires press stranded forming through high intensity stranding machine. Sealing coat is overlapping around the outside wrapping in conductor, and sealing coat is high temperature resistance polyester band. Insulating barrier is coated on the outside of sealing coat, and insulating barrier is divided into inner insulating layer and external insulation layer, and inner insulating layer is three layers refractory synthetic mica tape, and external insulation layer is three layers Ceramic silicon rubber band. The thickness of high temperature resistance polyester band is 0.02mm, and the thickness of refractory synthetic mica tape is 0.14mm, and the thickness of Ceramic silicon rubber band is 0.2mm, and the thickness of monel band is 0.7mm.
Pressing the outer overlapping wrapped floor height temperature polyester belt of circular copper conductors as sealing coat, then wrapped three layers refractory synthetic mica tape, on core after Mica tape, wrapped three layers Ceramic silicon rubber band forms insulated wire cores, three insulated wire cores are twisted into cable core, gap between insulated wire cores and employing glass fibre bar are filled, the outer wrapped one layer of refractory synthetic mica tape of cable core and three layers Ceramic silicon rubber band, as thermal insulation layer, finally adopt the nickel-copper alloy material of continuous embossing to make the oversheath of cable.Sealing coat adopts high temperature resistant PET polyester belt material, high temperature resistant, simultaneously also have good insulating properties. Insulating barrier is combined by refractory synthetic mica tape and Ceramic silicon rubber band. Cable metal oversheath adopts monel band through continuous welding process on thermal insulation layer, constitutes cable metal oversheath then through embossing.
Embossing structure monel adopts with oversheath has excellent bending property and excellent self-supporting performance, and bending radius is up to 6D��10D, it is possible to reduce with avoid cable testing bridge and poling. Its fusing point of copper alloy (1380 DEG C) is high, conducts electricity very well, it is possible to the protective grounding line as cable uses. This utility model good airproof performance, has corrosion-resistant, and wear-resistant, high temperature resistance softens and waterproof, humidity resistance, is conducive to extending the service life of cable.
Claims (2)
1. a metal sheath inorganic mineral insulation flexible fireproof cable, including three cores, thermal insulation layer (5) and oversheath (6), described three cores are twisted into cable core, and thermal insulation layer is coated on outside cable core, the outside cladding oversheath of thermal insulation layer; The gap between gap and core between described core and thermal insulation layer is provided with packed layer (4), it is characterized in that: described fibre core is made up of conductor (1), sealing coat (2) and insulating barrier (3), described sealing coat is overlapping around the outside wrapping in conductor, and described insulating barrier is coated on the outside of sealing coat; Described conductor is annealing copper wire, and described sealing coat is high temperature resistance polyester band, and described packed layer is combustion-proof glass fiber bar; Described insulating barrier is divided into inner insulating layer and external insulation layer, described inner insulating layer to be three layers refractory synthetic mica tape, and described external insulation layer is three layers Ceramic silicon rubber band; Described thermal insulation layer is one layer of refractory synthetic mica tape and three layers Ceramic silicon rubber band, and described oversheath is the monel band of continuous embossing.
2. according to claim 1 metal sheath inorganic mineral insulation flexible fireproof cable, it is characterized in that: the thickness of described high temperature resistance polyester band is 0.02��0.025mm, the thickness of described refractory synthetic mica tape is 0.14mm, the thickness of described Ceramic silicon rubber band is 0.2mm, and the thickness of described monel band is 0.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620043778.5U CN205302999U (en) | 2016-01-18 | 2016-01-18 | Metal sheath inorganic mineral insulation flexible fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620043778.5U CN205302999U (en) | 2016-01-18 | 2016-01-18 | Metal sheath inorganic mineral insulation flexible fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205302999U true CN205302999U (en) | 2016-06-08 |
Family
ID=56428478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620043778.5U Active CN205302999U (en) | 2016-01-18 | 2016-01-18 | Metal sheath inorganic mineral insulation flexible fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205302999U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205793A (en) * | 2016-06-24 | 2016-12-07 | 安徽宜德电子有限公司 | The environment-friendlyfireproof fireproof cable production method that a kind of fire resistance rating is high |
| CN109659083A (en) * | 2018-12-27 | 2019-04-19 | 远东电缆有限公司 | A kind of fireproof cable and its manufacturing method |
| CN109841348A (en) * | 2019-03-01 | 2019-06-04 | 安徽天康集团数据线缆有限公司 | A kind of aerospace extraordinary super category 5 cable structure and preparation method |
| CN111640529A (en) * | 2020-05-26 | 2020-09-08 | 沈阳奥唯线缆制造有限公司 | Flexible fireproof cable |
| CN112420266A (en) * | 2020-11-23 | 2021-02-26 | 贵州天虹志远电线电缆有限公司 | Fireproof cable with anti-oxidation metal sheath |
-
2016
- 2016-01-18 CN CN201620043778.5U patent/CN205302999U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205793A (en) * | 2016-06-24 | 2016-12-07 | 安徽宜德电子有限公司 | The environment-friendlyfireproof fireproof cable production method that a kind of fire resistance rating is high |
| CN109659083A (en) * | 2018-12-27 | 2019-04-19 | 远东电缆有限公司 | A kind of fireproof cable and its manufacturing method |
| CN109841348A (en) * | 2019-03-01 | 2019-06-04 | 安徽天康集团数据线缆有限公司 | A kind of aerospace extraordinary super category 5 cable structure and preparation method |
| CN111640529A (en) * | 2020-05-26 | 2020-09-08 | 沈阳奥唯线缆制造有限公司 | Flexible fireproof cable |
| CN112420266A (en) * | 2020-11-23 | 2021-02-26 | 贵州天虹志远电线电缆有限公司 | Fireproof cable with anti-oxidation metal sheath |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |