CN106098226A - A kind of isolated form fireproof cable - Google Patents
A kind of isolated form fireproof cable Download PDFInfo
- Publication number
- CN106098226A CN106098226A CN201610688874.XA CN201610688874A CN106098226A CN 106098226 A CN106098226 A CN 106098226A CN 201610688874 A CN201610688874 A CN 201610688874A CN 106098226 A CN106098226 A CN 106098226A
- Authority
- CN
- China
- Prior art keywords
- outside
- sleeve
- layer
- conductor
- tooth profile
- 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
-
- 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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of isolated form fireproof cable, belong to electric wire field, lay, for solving existing cable fireprotection layer, the problem that effect is bad, explosion-proof effect is bad.It includes conductor, is positioned at the external insulation layer outside conductor, is positioned at the disrance sleeve outside external insulation layer, the tooth profile sleeve being positioned at outside disrance sleeve, is positioned at the fireprotection layer outside tooth profile sleeve, the low smoke and zero halogen sheath being positioned at the halogen-free flameproof band outside fireprotection layer, being positioned at outside halogen-free flameproof band；Described conductor is formed by wire stranding, is equipped with inner insulating layer outside described each wire, and described inner insulating layer is made up of mineral complex；Described external insulation layer is made up of mineral complex；Described disrance sleeve is metal canula.The present invention passes through tooth profile sleeve so that fireprotection layer lays more uniform, improves the explosion-proof performance of cable, by setting up disrance sleeve, it is to avoid the mechanical damage of conductor, and fireprotection layer fireprotection layer when burning can lower the temperature and dilute flame, knock down the flame.
Description
Technical field
The invention belongs to electric wire field, specifically, be a kind of isolated form fireproof cable.
Background technology
Isolated form mineral insulating flexible fireproof cable (application number: 201610030335.7 strengthened by patent documentation 1 one kinds；Public
The number of opening；105551603A) include core, fireprotection layer, belting layer and oversheath.Core is twisted into cable core, the outside wrapped bag of cable core
Belt, oversheath is coated on the outside of belting layer.Fire prevention is filled in gap between gap, core and belting layer between core
Layer.Core is made up of conductor, insulating barrier, enhancement Layer, sealing coat and oxygen barrier layer, insulating barrier around wrapping in the outside of conductor, enhancement Layer
Being coated on the outside of insulating barrier, sealing coat is extruded in the outside of enhancement Layer, and the outside of sealing coat extrudes oxygen barrier layer.
The advantage of patent documentation 1: present invention improves fireproofing of cable and resistance to elevated temperatures, improve the use peace of cable
Quan Xing, reduces cable production cost.
The shortcoming of patent documentation 1: 1. use rustless steel easily to be answered by the external world as outermost protective jacket, stainless steel sleeve
Power and damage, cause the explosion-proof performance of cable to decline, and the flexibility of stainless steel sleeve be inadequate；2. the stranding of cable is the most closely knit extrudes
Flexible ceramic fireproof oxygen-separation fills mud mineral wool layer, direct and conductive cable contacts, simply plays certain isolation effect during burning,
Fail to reach the effect of cooling and knock down the flame.
Summary of the invention
The present invention seeks to have aimed to provide a kind of fireprotection layer lay effective, that fire protecting performance is good, conductor can be prevented
Produce the isolated form fireproof cable of mechanical damage.
For realizing above-mentioned technical purpose, the technical solution used in the present invention is as follows:
A kind of isolated form fireproof cable, including conductor, is positioned at the external insulation layer outside conductor, is positioned at outside external insulation layer
Disrance sleeve, the tooth profile sleeve being positioned at outside disrance sleeve, be positioned at the fireprotection layer outside tooth profile sleeve, be positioned at outside fireprotection layer Halogen resistance
Combustion band, the low smoke and zero halogen sheath being positioned at outside halogen-free flameproof band；
Described conductor is formed by wire stranding, is equipped with inner insulating layer outside described each wire, and described inner insulating layer is by ore deposit
Thing complex forms；
Described external insulation layer is made up of mineral complex；
Described disrance sleeve is metal canula；
Described tooth profile sleeve is crosslinked polyethylene tooth profile sleeve, forms holding tank between the tooth of described tooth profile sleeve；
Described fireprotection layer is positioned at holding tank；
Outside described halogen-free flameproof band interior side contacts tooth profile sleeve and outside fireprotection layer；
The thickness of described low smoke and zero halogen sheath is more than the thickness of halogen-free flameproof band.
Using technique scheme, the effect of tooth profile sleeve is fireprotection layer can be laid evenly when laying so that
The diameter that cable is often located is consistent, fire protecting performance everywhere all as, add the fire protecting performance of cable；Inner insulating layer plays protection
The effect of each wire, external insulation layer plays so that conductor is overall and the effect of external insulation；Outermost low smoke and zero halogen sheath
Thickness is mechanically damaged compared with can effectively avoid greatly low smoke and zero halogen sheath internal layer.
Limiting further, described disrance sleeve is seamless aluminium tubing.
There is more preferable waterproof anti-explosion effect.
Limiting further, the thickness of described disrance sleeve is 3mm.
Ensure the flexibility of separation sleeve.
Limiting further, described inner insulating layer is made up of brilliant Muscovitum, and described external insulation layer is made up of brilliant Muscovitum.
Muscovitum has the highest insulation, heat-insulating property, and chemical stability is good, has anti-strong acid, highly basic and anti-pressure ability,
So being the important raw and processed materials manufacturing electrical equipment, the most also can be as the insulant in hair-dryer.For electrical industry
Muscovitum is exploited, it is necessary to be the effective area mica block that is more than 4 square centimeters, and free from flaw, perforation, non-mica mineral on edge
Must not exceed 3 millimeters.It is divided into 4 classes, best special class area to be greater than 65 squares quality according to effective area after Muscovitum exploitation
Centimetre.
Limiting further, described fireprotection layer is mixed by aluminium hydroxide, waterglass.
Limiting further, the ratio of described aluminium hydroxide and waterglass mixing is 6:4.
During burning, aluminium hydroxide can occur the endothermic reaction, absorbs substantial amounts of heat, and meanwhile, dehydration can be produced
Raw a large amount of water vapour, it can dilute imflammable gas, thus stop burning, additionally can form one layer at material surface and not melt not
The aluminium oxide duricrust of combustion, has blocked the passage that high polymer oxygen hot with the external world reacts, and final material is fire-retardant, self-extinguishment.Attack at flame
Lower fireprotection layer foamed solidification, forms thick barrier and has intercepted the flame infringement to conductor.Not only the integrity of aluminum pipe is protected
Deposit, and make mica tape heating temperature be reduced to less than 600 DEG C.
Sodium silicate is commonly called as sodium silicate, is a kind of water-soluble silicate, and its aqueous solution is commonly called as waterglass, is that a kind of ore deposit is binded
Agent.Its physicochemical property is that cohesive force is strong, intensity is higher, acid resistance, heat-resist, alkali resistance and poor water resistance.Shape after hardening
The silica network skeleton become, at high temperature intensity declines the least.
Limiting further, the number of described tooth is 6, and described tooth arranges at equal intervals.
Ensure that laying uniform simultaneously ensure that lays convenience.
Limiting further, described conductor is copper conductor.
The first, the resistance of copper is less, and what resistance was minimum is gold is next to that silver, but the value height of Jin Heyin is not suitable for actual fortune
With, so being typically chosen copper；The second, the molten boiling point of copper is higher and steady. copper conductor, easy conductive, easy bending, it is difficult to oxidized.
The combined insulation layer of mineral complex+polyolefin based materials extrusion molding, with preventing of aluminum separation sleeve+fireprotection layer combinative structure
Thermoelectricity cable, the Muscovitum banding fire proofing material used before substituting+common crosslinked insulating material cable, not only fire protecting performance is more excellent
Different, make pressure grade also be improved to 0.6/1KV by 450/750V.
Compared to existing technology, waterproof anti-explosion is effective, fireprotection layer lays mechanical damage uniform, anti-for the present invention.
Accompanying drawing explanation
The present invention can be further illustrated by the nonlimiting examples that accompanying drawing is given；
Fig. 1 is the structural representation of the present invention a kind of isolated form fireproof cable；
Main element symbol description is as follows:
Conductor 1, external insulation layer 2, disrance sleeve 3, tooth profile sleeve 4, fireprotection layer 5, halogen-free flameproof band 6, low smoke and zero halogen sheath 7,
Inner insulating layer 8, holding tank 9.
Detailed description of the invention
In order to make those skilled in the art that the present invention be may be better understood, below in conjunction with the accompanying drawings with embodiment to this
Bright technical scheme further illustrates.
Embodiment one,
As it is shown in figure 1, a kind of isolated form fireproof cable, including conductor 1, it is positioned at the external insulation layer 2 outside conductor 1, is positioned at
Disrance sleeve 3, the tooth profile sleeve 4 being positioned at outside disrance sleeve 3 outside external insulation layer 2, it is positioned at the fireprotection layer 5 outside tooth profile sleeve 4, position
Halogen-free flameproof band 6 outside fireprotection layer 5, the low smoke and zero halogen sheath 7 being positioned at outside halogen-free flameproof band 6；
Conductor 1 is formed by wire stranding, is equipped with inner insulating layer 8 outside each wire, and inner insulating layer 8 is by mineral complex group
Become；
External insulation layer 2 is made up of mineral complex；
Disrance sleeve 3 is metal canula；
Tooth profile sleeve 4 is crosslinked polyethylene tooth profile sleeve, forms holding tank 9 between the tooth of tooth profile sleeve 4；
Fireprotection layer 5 is positioned at holding tank 9；
Outside halogen-free flameproof band 6 interior side contacts tooth profile sleeve 4 and outside fireprotection layer 5；
The thickness of low smoke and zero halogen sheath 7 is more than the thickness of halogen-free flameproof band 6.
Preferably, disrance sleeve 3 is seamless aluminium tubing.
Embodiment two,
As it is shown in figure 1, a kind of isolated form fireproof cable, including conductor 1, it is positioned at the external insulation layer 2 outside conductor 1, is positioned at
Disrance sleeve 3, the tooth profile sleeve 4 being positioned at outside disrance sleeve 3 outside external insulation layer 2, it is positioned at the fireprotection layer 5 outside tooth profile sleeve 4, position
Halogen-free flameproof band 6 outside fireprotection layer 5, the low smoke and zero halogen sheath 7 being positioned at outside halogen-free flameproof band 6；
Conductor 1 is formed by wire stranding, is equipped with inner insulating layer 8 outside each wire, and inner insulating layer 8 is by mineral complex group
Become；
External insulation layer 2 is made up of mineral complex；
Disrance sleeve 3 is metal canula；
Tooth profile sleeve 4 is crosslinked polyethylene tooth profile sleeve, forms holding tank 9 between the tooth of tooth profile sleeve 4；
Fireprotection layer 5 is positioned at holding tank 9；
Outside halogen-free flameproof band 6 interior side contacts tooth profile sleeve 4 and outside fireprotection layer 5；
The thickness of low smoke and zero halogen sheath 7 is more than the thickness of halogen-free flameproof band 6.
Preferably, disrance sleeve 3 is seamless aluminium tubing.
Preferably, the thickness of disrance sleeve 3 is 3mm.
Preferably, inner insulating layer 8 is made up of brilliant Muscovitum, and external insulation layer 2 is made up of brilliant Muscovitum.
Preferably, fireprotection layer 5 is mixed by aluminium hydroxide, waterglass.
Preferably, the ratio of aluminium hydroxide and waterglass mixing is 6:4.
Preferably, the number of tooth is 6, and tooth arranges at equal intervals.
Optimum, conductor 1 is copper conductor.
The difference of embodiment one and embodiment two is: first, and embodiment two defines that the thickness of separation sleeve 3 is 3mm, this
The flexibility carrying out aluminum is all right, under the thickness of 3mm, and can be with free bend, it is ensured that the flexibility of cable；Next defines fireprotection layer
5 be mixed by aluminium hydroxide, waterglass, the cohesive force of waterglass is strong, intensity is higher, acid resistance, heat-resist so that hydrogen
Aluminium oxide can preferably apply in holding tank 9.
A kind of isolated form fireproof cable provided the present invention above is described in detail.The explanation of specific embodiment is only
It is the method and core concept thereof being adapted to assist in and understanding the present invention.It should be pointed out that, for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out some improvement and modification, these improve and repair
Decorations also fall in the protection domain of the claims in the present invention.
Claims (8)
1. an isolated form fireproof cable, it is characterised in that: include conductor, be positioned at the external insulation layer outside conductor, be positioned at outer absolutely
Disrance sleeve, the tooth profile sleeve being positioned at outside disrance sleeve outside edge layer, it is positioned at the fireprotection layer outside tooth profile sleeve, is positioned at outside fireprotection layer
The halogen-free flameproof band of side, the low smoke and zero halogen sheath being positioned at outside halogen-free flameproof band；
Described conductor is formed by wire stranding, is equipped with inner insulating layer outside described each wire, and described inner insulating layer is multiple by mineral
Compound forms；
Described external insulation layer is made up of mineral complex；
Described disrance sleeve is metal canula；
Described tooth profile sleeve is crosslinked polyethylene tooth profile sleeve, forms holding tank between the tooth of described tooth profile sleeve；
Described fireprotection layer is positioned at holding tank；
Outside described halogen-free flameproof band interior side contacts tooth profile sleeve and outside fireprotection layer；
The thickness of described low smoke and zero halogen sheath is more than the thickness of halogen-free flameproof band.
A kind of isolated form fireproof cable the most according to claim 1, it is characterised in that: described disrance sleeve is seamless aluminum
Pipe.
A kind of isolated form fireproof cable the most according to claim 1, it is characterised in that: the thickness of described disrance sleeve is
3mm。
A kind of isolated form fireproof cable the most according to claim 1, it is characterised in that: described inner insulating layer is by brilliant Muscovitum system
Becoming, described external insulation layer is made up of brilliant Muscovitum.
A kind of isolated form fireproof cable the most according to claim 4, it is characterised in that: described fireprotection layer by aluminium hydroxide,
Waterglass is mixed.
A kind of isolated form fireproof cable the most according to claim 5, it is characterised in that: described aluminium hydroxide and waterglass mix
The ratio closed is 6:4.
A kind of isolated form fireproof cable the most according to claim 1, it is characterised in that: the number of described tooth is 6, described
Tooth arranges at equal intervals.
A kind of isolated form fireproof cable the most according to claim 1, it is characterised in that: described conductor is copper conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610688874.XA CN106098226A (en) | 2016-08-18 | 2016-08-18 | A kind of isolated form fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610688874.XA CN106098226A (en) | 2016-08-18 | 2016-08-18 | A kind of isolated form fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106098226A true CN106098226A (en) | 2016-11-09 |
Family
ID=58070805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610688874.XA Pending CN106098226A (en) | 2016-08-18 | 2016-08-18 | A kind of isolated form fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106098226A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945941A (en) * | 2017-12-31 | 2018-04-20 | 无锡江南电缆有限公司 | A kind of soft signal power cable that blocks water of preventing fires of thermometric |
| CN107945919A (en) * | 2017-12-31 | 2018-04-20 | 无锡江南电缆有限公司 | A kind of moveable user introduces fire prevention flat cable |
| CN107945929A (en) * | 2017-12-28 | 2018-04-20 | 无锡江南电缆有限公司 | A kind of copper core flexible mineral insulation aluminum sheath fire proof power cable |
| CN107958732A (en) * | 2017-12-31 | 2018-04-24 | 无锡江南电缆有限公司 | It is a kind of to carry the coaxial fireproof cable of Anti-pressure certainly from heat dissipation |
| CN109559848A (en) * | 2018-12-27 | 2019-04-02 | 上海胜华电气股份有限公司 | A kind of isolated form flexible mineral insulation fireproof cable and preparation method thereof |
| CN109872843A (en) * | 2019-02-26 | 2019-06-11 | 湖北宝上电缆有限公司 | A kind of double isolated flexible mineral fireproof cables |
| CN113299435A (en) * | 2021-05-28 | 2021-08-24 | 成都盛世京缆电缆有限公司 | Composite fireproof cable |
| CN113488270A (en) * | 2021-06-30 | 2021-10-08 | 重庆泰山电缆有限公司 | High-current-carrying medium-voltage fire-resistant cable |
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| CN103606410A (en) * | 2013-12-06 | 2014-02-26 | 上海特种电线电缆（集团）有限公司 | Nanometer type ultra-A-class fire-resistant control cable |
| CN104425079A (en) * | 2013-09-10 | 2015-03-18 | 国家电网公司 | Carbon fiber enhanced aluminum alloy conductor temperature self-measuring variable frequency cable |
| CN104464938A (en) * | 2013-09-25 | 2015-03-25 | 国家电网公司 | Self-temperature-measurement flexible insulating carbon fiber leader cable |
| CN204270708U (en) * | 2014-12-01 | 2015-04-15 | 江苏华远电缆有限公司 | A kind of OPLC optical fiber composite low-voltage cable |
| CN204423990U (en) * | 2015-02-12 | 2015-06-24 | 国家电网公司 | A kind of aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425079A (en) * | 2013-09-10 | 2015-03-18 | 国家电网公司 | Carbon fiber enhanced aluminum alloy conductor temperature self-measuring variable frequency cable |
| CN104464938A (en) * | 2013-09-25 | 2015-03-25 | 国家电网公司 | Self-temperature-measurement flexible insulating carbon fiber leader cable |
| CN103606410A (en) * | 2013-12-06 | 2014-02-26 | 上海特种电线电缆（集团）有限公司 | Nanometer type ultra-A-class fire-resistant control cable |
| CN204270708U (en) * | 2014-12-01 | 2015-04-15 | 江苏华远电缆有限公司 | A kind of OPLC optical fiber composite low-voltage cable |
| CN204423990U (en) * | 2015-02-12 | 2015-06-24 | 国家电网公司 | A kind of aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945929A (en) * | 2017-12-28 | 2018-04-20 | 无锡江南电缆有限公司 | A kind of copper core flexible mineral insulation aluminum sheath fire proof power cable |
| CN107945941A (en) * | 2017-12-31 | 2018-04-20 | 无锡江南电缆有限公司 | A kind of soft signal power cable that blocks water of preventing fires of thermometric |
| CN107945919A (en) * | 2017-12-31 | 2018-04-20 | 无锡江南电缆有限公司 | A kind of moveable user introduces fire prevention flat cable |
| CN107958732A (en) * | 2017-12-31 | 2018-04-24 | 无锡江南电缆有限公司 | It is a kind of to carry the coaxial fireproof cable of Anti-pressure certainly from heat dissipation |
| CN109559848A (en) * | 2018-12-27 | 2019-04-02 | 上海胜华电气股份有限公司 | A kind of isolated form flexible mineral insulation fireproof cable and preparation method thereof |
| CN109872843A (en) * | 2019-02-26 | 2019-06-11 | 湖北宝上电缆有限公司 | A kind of double isolated flexible mineral fireproof cables |
| CN113299435A (en) * | 2021-05-28 | 2021-08-24 | 成都盛世京缆电缆有限公司 | Composite fireproof cable |
| CN113488270A (en) * | 2021-06-30 | 2021-10-08 | 重庆泰山电缆有限公司 | High-current-carrying medium-voltage fire-resistant cable |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20161109 |