CN105355284A - Highly waterproof fireproof power cable - Google Patents
Highly waterproof fireproof power cable Download PDFInfo
- Publication number
- CN105355284A CN105355284A CN201510908456.2A CN201510908456A CN105355284A CN 105355284 A CN105355284 A CN 105355284A CN 201510908456 A CN201510908456 A CN 201510908456A CN 105355284 A CN105355284 A CN 105355284A
- Authority
- CN
- China
- Prior art keywords
- water
- power cable
- cable core
- extruded
- watertight composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- H01B7/28—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
- H01B7/02—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
- H01B7/17—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
- H01B7/28—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
- H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the 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
- H01B7/17—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
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/024—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of braided metal wire
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention discloses a highly waterproof fireproof power cable. The highly waterproof fireproof power cable includes a cable core which is formed by parallelly intertwisting a plurality of insulated wire cores, a gap of the cable core is filled with a water-blocking rope and rounded, a water-blocking tape of an irregular shape whose centers of four sides are recessed inwards is extruded outside the cable core, four edges of the water-blocking tape of the irregular shape wrap the insulated wire cores, the water-blocking tape is longitudinally wrapped by an aluminum-plastic tape waterproof layer, a gap between the water-blocking tape and the aluminum-plastic tape waterproof layer is provided with a water-tolerant tree-shaped polyethylene extruded waterproof layer, and a water-tolerant tree-shaped polyethylene extruded waterproof layer, a ceramic silica gel fire insulation layer and a high-flame-retardant halogen-free low-smoke flame-retardant polyolefin sheath are extruded outside the aluminum-plastic tape waterproof layer in sequence. The cable has excellent high waterproof fireproof characteristics and the like, can be widely applied to places having waterproof flame-retardant fire-resistant requirements such as a power plant, a hydropower station, a transformer station and a high-rise building, and product performance is excellent.
Description
Technical field
The present invention relates to electric wire field, be specifically related to a kind of high waterproof fireproofing power cable.
Background technology
In recent years, in the power system accident in global range, the ratio of catching fire due to power cable or soaking and causing power system power supply to interrupt is on the rise.Therefore, having the place of a large amount of electric equipment and a large amount of cable of cluster laying to adopt high waterproof fireproofing cable to ensure in generating field, transformer station, hydroelectric station etc., the uninterrupted power supply in important loop seems becomes more and more important.Along with skyscraper be on the increase and breaking out of fire time site environment complexity, to the difficulty that the relief Dai Lai Chi Lai more of on-the-spot fire is large, what this just required on-the-spot power circuit is supplied with the longer time, even if during breaking out of fire simultaneously on-the-spot because fire extinguishing need also have a large amount of ponding and exist.The place used in water is even submerged in wetland, marsh in addition, water tree brings out the main cause that cable destroys, and cable easily causes accident again and again to occur under the effect of AC field and moisture, requires that cable also needs to possess water-proof function so especially.
Summary of the invention
In order to overcome the deficiencies in the prior art, a kind of high waterproof fireproofing power cable is provided, solve the problem that existing cable waterproof fireproofing effect is bad, the place that power plant, hydroelectric station, transformer station and skyscraper etc. require water proof fire retardant fire resistant requirements can be widely used in, excellent product performance.
For achieving the above object, the invention provides a kind of high waterproof fireproofing power cable, comprise cable core, described cable core forms by some insulated wire cores are stranded side by side, be provided with waterproofing rope to fill and rounding in the gap of cable core, the erose waterstop that four centers, limit concave is extruded outside cable core, its erose waterstop four edges are wrapped in insulated wire cores, at waterstop vertical bag aluminum plastic belt watertight composition outward, gap between waterstop and aluminum plastic belt watertight composition is provided with water-fast tree-shaped polyethylene and extrudes watertight composition, extrude water-fast tree-shaped polyethylene outward successively at aluminum plastic belt watertight composition and extrude watertight composition, ceramic silica gel refuge floor and high-flame-retardanthalogen-free halogen-free low-smoke flame-retardant polyolefin sheathed.
Preferably, described insulated wire cores by pressing circular copper conductors, be extruded in the ceramic silica gel fire resistant belt outside copper conductor and the insulating barrier be extruded in outside ceramic silica gel fire resistant belt is formed.
Preferably, described in press circular copper conductors for highly to press circular configuration, press coefficient and be not less than 92%.
Preferably, described screen is the screen that copper-clad aluminum alloy, aluminum-magnesium alloy wire, copper-clad aluminum alloy weave with aluminum-magnesium alloy wire mixing respectively, and count is not less than 85%.
Preferably, described ceramic silica gel fire resistant belt adopts two-layer ceramic SiClx glue fire resistant belt to be coated on conductor in the mode that overlap is wrapped, and Duplication is not less than 50%.
Preferably, described insulating barrier is the crosslinked polyetylene insulated layer of water-fast tree-shaped, and the mode that insulation is cross-linked adopts the mode of silane or irradiation.
Preferably, described cable waterproof structure comprises cable core gap and adopts waterproofing rope to fill rounding, and cable core is provided with waterstop outward successively, vertical bag aluminum plastic belt watertight composition, water-fast tree-shaped polyethylene extrude watertight composition.
Preferably, described cable fire-proof structure comprises the ceramic silica gel fire resistant belt outside copper conductor, the ceramic silica gel refuge floor outside watertight composition and high-flame-retardanthalogen-free halogen-free low-smoke flame-retardant polyolefin sheathed.
Beneficial effect of the present invention is:
1, this cable insulation is the crosslinked polyetylene insulated layer of water-fast tree-shaped, filler adopts waterproofing rope rounding, the waterproof construction that cable core is provided with waterstop outward successively, vertical bag aluminum plastic belt watertight composition, water-fast tree-shaped polyethylene extrude the comprehensive means such as watertight composition, drastically increases the water resistance of cable;
2, this cable is by adopting Ceramic silicon rubber material and the low-smoke flame-retardant polyolefin sheathed material of high-flame-retardanthalogen-free halogen-free, has increased substantially fireproofing of cable performance;
3, outside cable core, extrude the erose waterstop that four centers, limit concave, its erose waterstop four edges are wrapped in insulated wire cores, then extrude watertight composition and to fill a vacancy gap being provided with water-fast tree-shaped polyethylene, such structure, make the waterproof construction of cable better, structure is more tight.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
As shown in Figure 1, the invention provides a kind of high waterproof fireproofing power cable, comprise cable core, described cable core forms by some insulated wire cores are stranded side by side, described insulated wire cores by pressing circular copper conductors 1, be extruded in ceramic silica gel fire resistant belt 2 outside copper conductor 1 and the insulating barrier 3 be extruded in outside ceramic silica gel fire resistant belt is formed; Be provided with waterproofing rope 4 to fill and rounding in the gap of cable core, the erose waterstop 5 that four centers, limit concave is extruded outside cable core, its erose waterstop 5 four edges are wrapped in insulated wire cores, at the outer vertical bag aluminum plastic belt watertight composition 6 of waterstop 5, gap between waterstop 5 and aluminum plastic belt watertight composition 6 is provided with water-fast tree-shaped polyethylene and extrudes watertight composition 7, extrudes water-fast tree-shaped polyethylene successively and extrude watertight composition 7, ceramic silica gel refuge floor 8 and high-flame-retardanthalogen-free halogen-free low-smoke flame-retardant polyolefin sheathed 9 outside aluminum plastic belt watertight composition 6.
Preferably, corresponding vibrational power flow and Material selec-tion are respectively:
Conductor adopts to press stranded circular copper conductors 1, and conductive surface should bright and clean, burr, sharp edge and single line that is protruding or that rupture without greasy dirt, not damaged insulation;
The mode that described ceramic silica gel fire resistant belt 2 adopts two superimposed wrapped is coated on conductor, and Duplication is not less than 50%;
On conductor after described insulating barrier 3 adopts the mode extruded to be extruded in wrapped ceramic silica gel fire resistant belt, insulation crosslinking method adopts the mode of silane or irradiation;
Described waterproofing rope 4 adopts the closely knit rounding of material water-proof material to fill, and makes moisture penetrate into insulating barrier;
Described watertight insulation adopts waterstop overlap wrapped, and the rate of putting up is not less than 50%;
Described water-proof metal layer adopts vertical alclad to mould water blocking tape, the closely knit welding of argon arc welding;
It is adopt the water-fast tree-shaped polythene material of water resistance excellence to extrude production that described water-fast tree-shaped polyethylene extrudes watertight composition 7;
Described refuge floor adopts Ceramic silicon rubber material to extrude on extrusion equipment;
Described oversheath adopts and extrudes high-flame-retardanthalogen-free halogen-free low-smoke flame-proof polyolefin oversheath material.
The above is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, can also make some modification and improvement, and these also should be considered as belonging to protection scope of the present invention.
Claims (5)
1. one kind high waterproof fireproofing power cable, comprise cable core, it is characterized in that: described cable core forms by some insulated wire cores are stranded side by side, be provided with waterproofing rope (4) to fill and rounding in the gap of cable core, the erose waterstop (5) that four centers, limit concave is extruded outside cable core, its erose waterstop (5) four edges are wrapped in insulated wire cores, at waterstop (5) vertical bag aluminum plastic belt watertight composition (6) outward, gap between waterstop (5) and aluminum plastic belt watertight composition (6) is provided with water-fast tree-shaped polyethylene and extrudes watertight composition (7), extrude water-fast tree-shaped polyethylene outward successively at aluminum plastic belt watertight composition (6) and extrude watertight composition (7), ceramic silica gel refuge floor (8) and high-flame-retardanthalogen-free halogen-free low-smoke flame-retardant polyolefin sheathed (9).
2. high waterproof fireproofing power cable according to claim 1, is characterized in that: described insulated wire cores by pressing circular copper conductors (1), be extruded in the outer ceramic silica gel fire resistant belt (2) of copper conductor (1) and the insulating barrier (3) be extruded in outside ceramic silica gel fire resistant belt is formed.
3. high waterproof fireproofing power cable according to claim 2, is characterized in that: described in press circular copper conductors (1) for highly to press circular configuration, press coefficient and be not less than 92%.
4. high waterproof fireproofing power cable according to claim 2, is characterized in that: described ceramic silica gel fire resistant belt (2) adopts two-layer ceramic SiClx glue fire resistant belt to be coated on conductor in the mode that overlap is wrapped, and Duplication is not less than 50%.
5. high waterproof fireproofing power cable according to claim 2, is characterized in that: described insulating barrier (3) is the crosslinked polyetylene insulated layer of water-fast tree-shaped, and the mode that insulation is cross-linked adopts the mode of silane or irradiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510908456.2A CN105355284A (en) | 2015-12-09 | 2015-12-09 | Highly waterproof fireproof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510908456.2A CN105355284A (en) | 2015-12-09 | 2015-12-09 | Highly waterproof fireproof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105355284A true CN105355284A (en) | 2016-02-24 |
Family
ID=55331241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510908456.2A Pending CN105355284A (en) | 2015-12-09 | 2015-12-09 | Highly waterproof fireproof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105355284A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108053923A (en) * | 2017-12-15 | 2018-05-18 | 四川汇蓝科技有限公司 | A kind of Water-proof mouse ant high flexibility mineral insulated cable |
| CN113674908A (en) * | 2021-08-24 | 2021-11-19 | 江苏亨通线缆科技有限公司 | Flame-retardant and fire-resistant power cable resistant to spray vibration |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2609127Y (en) * | 2003-03-24 | 2004-03-31 | 德阳电缆股份有限公司 | Water-stopping dampproof corrosion-proof power cable |
| CN203118653U (en) * | 2013-02-04 | 2013-08-07 | 许昌阳光港电电缆有限公司 | 6 to 35kV water tree resistant XLPE (Cross Linked Polyethylene) insulating power cable |
| CN204087907U (en) * | 2014-09-15 | 2015-01-07 | 唐山市海丰线缆有限公司 | Water resistant tree aluminium alloy conductor medium-pressure power cable |
| CN205302979U (en) * | 2015-12-09 | 2016-06-08 | 无锡市华美电缆有限公司 | High waterproof fireproof power cable |
-
2015
- 2015-12-09 CN CN201510908456.2A patent/CN105355284A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2609127Y (en) * | 2003-03-24 | 2004-03-31 | 德阳电缆股份有限公司 | Water-stopping dampproof corrosion-proof power cable |
| CN203118653U (en) * | 2013-02-04 | 2013-08-07 | 许昌阳光港电电缆有限公司 | 6 to 35kV water tree resistant XLPE (Cross Linked Polyethylene) insulating power cable |
| CN204087907U (en) * | 2014-09-15 | 2015-01-07 | 唐山市海丰线缆有限公司 | Water resistant tree aluminium alloy conductor medium-pressure power cable |
| CN205302979U (en) * | 2015-12-09 | 2016-06-08 | 无锡市华美电缆有限公司 | High waterproof fireproof power cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108053923A (en) * | 2017-12-15 | 2018-05-18 | 四川汇蓝科技有限公司 | A kind of Water-proof mouse ant high flexibility mineral insulated cable |
| CN113674908A (en) * | 2021-08-24 | 2021-11-19 | 江苏亨通线缆科技有限公司 | Flame-retardant and fire-resistant power cable resistant to spray vibration |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160224 |