CN109448912A - A kind of protective-cover type flame retardant cable - Google Patents
A kind of protective-cover type flame retardant cable Download PDFInfo
- Publication number
- CN109448912A CN109448912A CN201811518232.0A CN201811518232A CN109448912A CN 109448912 A CN109448912 A CN 109448912A CN 201811518232 A CN201811518232 A CN 201811518232A CN 109448912 A CN109448912 A CN 109448912A
- Authority
- CN
- China
- Prior art keywords
- protective
- fire
- flame retardant
- cover type
- type flame
- 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
-
- 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
-
- 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
-
- 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
- H01B7/0291—Disposition of insulation comprising two or more layers of insulation having different electrical properties
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/185—Sheaths comprising internal cavities or channels
-
- 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
Abstract
The invention discloses a kind of protective-cover type flame retardant cables, including oversheath and conductor, support column is provided in the oversheath, total screen mica wrapping tape is provided in the support column, total shielded layer is provided in total screen mica wrapping tape, insulating layer is provided in total shielded layer, filled layer is provided in the insulating layer, fire-retardant column is provided in the filled layer, the identical Frpipe of several specifications is provided on the inner sheath, insulation shielding is provided in the inner sheath, insulation is provided in the insulation shielding, mica wrapping tape is provided in the insulation, semiconductor conductor shielding is provided in the mica wrapping tape, conductor is provided in the semiconductor conductor shielding.The present invention is a kind of protective-cover type flame retardant cable, and structure is simple, and toughness is preferable, in the case where generating fire, fire-retardant effect is carried out, in a certain range by combustion range control, and the characteristic that itself can be put out a fire, while normal use is able to carry out in the case where generating fire.
Description
Technical field
The present invention relates to field of cables, specially a kind of protective-cover type flame retardant cable.
Background technique
Flame retardant cable refers to that under regulation experimental condition, sample is burned, after removing test fire source, the sprawling of flame
Only limit range in, residual flame or it is residual burn within a limited period of time can self-extinguish cable.Basic characteristic is: in case of fire
It is possible that being burned and cannot run, but the sprawling of the intensity of a fire can be prevented.Generally, electric wire can limit burning just in case catching fire
System does not generate sprawling in subrange, keeps other various equipment, avoids bigger loss.
Existing protective-cover type flame retardant cable, is not achieved good flame retardant effect, and generate fire when, cannot reach from
Stature material fire extinguishing characteristic, while occur fire line cannot normally using and cause unnecessary loss, the entirety of cable
Toughness is small, and structure is complex.
Summary of the invention
The purpose of the present invention is to solve existing protective-cover type flame retardant cable, it is not achieved good flame retardant effect, and
Generate fire when, cannot reach own material fire extinguishing characteristic, while occur fire line cannot normally using and cause
The overall flexibility of unnecessary loss, cable is small, the complex problem of structure, and a kind of protective-cover type flame retardant cable proposed.
To achieve the above object, it the invention provides the following technical scheme: including oversheath and conductor, is set in the oversheath
It is equipped with support column, total screen mica wrapping tape is provided in the support column, is provided with total shielded layer, institute in total screen mica wrapping tape
It states and is provided with insulating layer in total shielded layer, filled layer is provided in the insulating layer, three specifications are provided in the filled layer
Identical fire-retardant column is provided with the identical inner sheath of three specifications in the filled layer, is provided with several on the inner sheath
Specification identical Frpipe is provided with insulation shielding in the inner sheath, insulation, the insulation is provided in the insulation shielding
It is inside provided with mica wrapping tape, semiconductor conductor shielding, setting in the semiconductor conductor shielding are provided in the mica wrapping tape
There is conductor.
Preferably, the semiconductive conductor shielding and insulation shielding material are with methyl vinyl silicone rubber 110-9 and 110 } S
For substrate, it is equipped with precipitated hydrated silica, acetylene carbon black, light base silicone oil, containing hydrogen silicone oil, silane coupling agent KH-560 and vulcanization
Double 2, the S O of agent.
Preferably, the Frpipe material is Ceramic silicon rubber, with methyl vinyl silicone rubber 110-8 and 110 } S is
Base-material, is added sintering ceramic powder filler, reinforcing agent, environment-friendly high-temperature fire resisting fine catalyst, vulcanization aid, and common be kneaded is
For the blend glue stuff of extrusion forming, that vulcanizing agent is added using the preceding ratio according to 96: 1. 0 one 96: 1. 5 is double extruding
2,5, keep 28 DEG C of constant temperature to continue 2 one 2 .5min and be kneaded uniformly to carry out short vulcanization on a mill, it is soft at normal temperature plus
Work is had excellent performance, and after flame ablation or after being higher than 500 DEG C of temperature bakings, it will be given birth in a short period of time by high-temperature catalytic
At hard ceramic-like shell.Ceramic-like shell by thermal-flame calcination generate can heatproof it is hard not less than 1 100 DEG C of SiOZ
Ceramics, isolation stops flame to burn away, to play the role of fireproof.
Preferably, the fire-retardant column is using not halogen crosslinked polyethylene (XLPE) fire proofing, using high pressure into
Row is extruded from, and has better flame-retarding characteristic, and do not have halogen acid gas releasing in cable fire, the smoke amount of cable
It is small, and the effect of hydrate is to voluntarily putting out a fire is generated under the action of high temperature.
Preferably, the mica wrapping tape and total screen mica wrapping tape use multilayer mica tape directly on conducting wire, it can
Resistance to prolonged burning can also guarantee that route operates normally even if the high polymer applied at flame is burned out.
Preferably, the insulating layer selects mineral insulating material, and one layer of inorganic refractory mineral insulation is to reach fire resisting mesh
, excellent fire retarding performance.
Preferably, the filled layer is filled using the netted split fibre of polypropylene flame redardant, and density only has 0. 7 g/
cm;, it is soft, nontoxic, there is the non-hygroscopic danger J, be free of asbestos component.
Preferably, total shielded layer uses Ceramic silicon rubber, and softness, processing performance are excellent at normal temperature, and in fire
After flame ablation or after being higher than 500 DEG C of temperature bakings, hard ceramic-like shell will be generated by high-temperature catalytic in a short period of time
Body.
Preferably, the support column is made of high density insulated column and hollow pipe, and tube wall is flame-retardant high-elasticity material, high
Density insulated column and hollow pipe are arranged according to the ratio of 3:1, and high density insulated column plays certain supporting role, and hollow pipe has
The special efficacy of anti-extrusion deformation, the two, which proportionally arranges, increases whole toughness.
Compared with prior art, the beneficial effects of the present invention are: the present invention is a kind of protective-cover type flame retardant cable, structure letter
Single, toughness is preferable, in the case where generating fire, carries out fire-retardant effect, in a certain range by combustion range control, and
The characteristic that itself can be put out a fire, while normal use is able to carry out in the case where generating fire.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of protective-cover type flame retardant cable of the present invention.
Fig. 2 is the main view of protective-cover type flame retardant cable of the present invention.
Fig. 3 is the structural schematic diagram of protective-cover type flame retardant cable support column of the present invention.
In figure: 1- oversheath, 2- support column, 3- always shield mica wrapping tape, the total shielded layer of 4-, 5- insulating layer, 6- filled layer, 7-
Fire-retardant column, 8- inner sheath, 9- Frpipe, 10- insulation shielding, 11- insulation, 12- mica wrapping tape, the shielding of 13- semiconductor conductor,
14- conductor.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: including oversheath 1 and conductor 4, it is characterised in that: described
Support column 2 is provided in oversheath 1, supporting role increases whole toughness, and total screen mica packet is provided in the support column 2
Band 3, it is resistant to burn for a long time, even if the high polymer applied at flame is burned out, can also guarantee that route operates normally, institute
It states in total screen mica wrapping tape 3 and is provided with total shielded layer 4, carry out shielding action, be provided with insulating layer 5 in total shielded layer 4, absolutely
Edge acts on, and is provided with filled layer 6 in the insulating layer 5, the identical fire-retardant column 7 of three specifications, institute are provided in the filled layer 6
It states and is provided with the identical inner sheath 8 of three specifications in filled layer 6, be provided with the identical resistance of several specifications on the inner sheath 8
Pipe 9 is fired, insulation shielding 10 is provided in the inner sheath 8, plays the role of bucking current, be provided in the insulation shielding 10
Insulation 11, the effect of insulation, it is described insulation 11 in be provided with mica wrapping tape 12, be provided with semiconductor in the mica wrapping tape 12 and lead
Body shielding 13, the semiconductor conductor shields in 13 and is provided with conductor 14, the semiconductive conductor shielding 13 and insulation shielding 10
Material is using methyl vinyl silicone rubber 110-9 and 110 } S as substrate, is equipped with precipitated hydrated silica, acetylene carbon black, light base silicon
Double 2, the S O of oil, containing hydrogen silicone oil, silane coupling agent KH-560 and vulcanizing agent, 9 material of Frpipe are Ceramic silicon rubber, with
Methyl vinyl silicone rubber 110-8 and 110 } S be base-material, be added sintering ceramic powder filler, reinforcing agent, environment-friendly high-temperature fire resisting
Fine catalyst, vulcanization aid, common mixing are the blend glue stuff for extrusion forming, are being extruded using preceding according to 96: 1.
Vulcanizing agent double 2,5 is added in 0 one 96: 1. 5 ratio, keeps 28 DEG C of constant temperature to continue 2 one 2 .5min on a mill and is kneaded
Even carry out short vulcanization, softness, processing performance are excellent at normal temperature, and after flame ablation or after being higher than 500 DEG C of temperature bakings,
Hard ceramic-like shell will be generated by high-temperature catalytic in a short period of time.Ceramic-like shell is calcined by thermal-flame and is generated
Can heatproof be not less than 1 100 DEG C of SiOZ hard ceramic, isolation stops flame to burn away, to play the role of fireproof, institute
Fire-retardant column 7 is stated using not halogen crosslinked polyethylene (XLPE) fire proofing, is extruded from using high pressure, is had more
Good flame-retarding characteristic, and there is no halogen acid gas releasing in cable fire, the smoke amount of cable is also small, and in the effect of high temperature
The effect of lower generation hydrate is to voluntarily putting out a fire, the mica wrapping tape 12 and total screen mica wrapping tape 3 use multilayer mica tape
Directly on conducting wire, it is resistant to burn for a long time, even if the high polymer applied at flame is burned out, can also guarantee line
Road operates normally, and the insulating layer 5 selects mineral insulating material, one layer of inorganic refractory mineral insulation to reach fire resisting purpose,
Excellent fire retarding performance, the filled layer 6 are filled using the netted split fibre of polypropylene flame redardant, and density only has 0. 7 g/
cm;, it is soft, nontoxic, there is the non-hygroscopic danger J, be free of asbestos component, total shielded layer 4 uses Ceramic silicon rubber, in room temperature
It is lower it is soft, processing performance is excellent, and after flame ablation or after being higher than 500 DEG C of temperature bakings, will in a short period of time by
High-temperature catalytic generates hard ceramic-like shell, and the support column 2 is made of high density insulated column and hollow pipe, and tube wall is resistance
It fires highly elastic material, high density insulated column and hollow pipe to arrange according to the ratio of 3:1, high density insulated column plays certain support
Effect, hollow pipe have the special efficacy of anti-extrusion deformation, and the two, which proportionally arranges, increases whole toughness.
The operation principle of the present invention is that: oversheath 1 is supported protective effect, and support column 2 enhances whole toughness, total to shield
Mica wrapping tape 3, total shielded layer and insulating layer are three-layer co-extruded, play whole insulating effect, realize insulated fireproof integration, fire-retardant
Pipe 9, insulation shielding 10, insulation 11 and semiconductor conductor shield 13 4 layers of co-extrusion, realize to internal conductor insulation fire resisting integration,
The protective effect of the second layer prevents conduction between conductor, occurs under fire condition, and mica wrapping tape 12 plays the work of the protection to conductor
With, so that with fire-retardant characteristic, while guaranteeing that internal conductor can be used normally, Frpipe 9 becomes under high temperature action
At the shell of high rigidity, fire retardation is played, fire-retardant column 7 resolves into hydrate under high temperature action, plays the spy of itself fire extinguishing
Property.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (9)
1. a kind of protective-cover type flame retardant cable, including oversheath (1) and conductor (4), it is characterised in that: set in the oversheath (1)
It is equipped with support column (2), total screen mica wrapping tape (3), setting in total screen mica wrapping tape (3) is provided in the support column (2)
Have total shielded layer (4), be provided with insulating layer (5) in total shielded layer (4), is provided with filled layer in the insulating layer (5)
(6), it is provided with the identical fire-retardant column (7) of three specifications in the filled layer (6), is provided with three rule in the filled layer (6)
The identical inner sheath of lattice (8) is provided with the identical Frpipe of several specifications (9), the inner sheath on the inner sheath (8)
(8) it is provided with insulation shielding (10) in, is provided with insulation (11) in the insulation shielding (10), is provided in the insulation (11)
Mica wrapping tape (12), the mica wrapping tape (12) is interior to be provided with semiconductor conductor shielding (13), the semiconductor conductor shielding
(13) conductor (14) are provided in.
2. a kind of protective-cover type flame retardant cable according to claim 1, it is characterised in that: the semiconductive conductor shielding (13)
With insulation shielding (10) material using methyl vinyl silicone rubber 110-9 and 110 } S as substrate, be equipped with precipitated hydrated silica,
Double 2, the S o of acetylene carbon black, light base silicone oil, containing hydrogen silicone oil, silane coupling agent KH-560 and vulcanizing agent.
3. a kind of protective-cover type flame retardant cable according to claim 1, it is characterised in that: Frpipe (9) material is pottery
Porcelain SiClx rubber, using methyl vinyl silicone rubber 110-8 and 110 } S as base-material, be added sintering ceramic powder filler, reinforcing agent,
Environment-friendly high-temperature fire resisting fine catalyst, vulcanization aid, common mixing are the blend glue stuff for extrusion forming, are used extruding
Vulcanizing agent double 2,5 is added in the preceding ratio according to 96: 1. 0 one 96: 1. 5, is kept for 28 DEG C of constant temperature on a mill and continues 2 one
2 .5min, which are kneaded, uniformly carries out short vulcanization.
4. a kind of protective-cover type flame retardant cable according to claim 1, it is characterised in that: the fire-retardant column (7) using
Not halogen crosslinked polyethylene (XLPE) fire proofing, is extruded from using high pressure.
5. a kind of protective-cover type flame retardant cable according to claim 1, it is characterised in that: mica wrapping tape (12) He Zongping
Mica wrapping tape (3) is using multilayer mica tape directly on conducting wire.
6. a kind of protective-cover type flame retardant cable according to claim 1, it is characterised in that: the insulating layer (5) selects mineral
Insulating materials.
7. a kind of protective-cover type flame retardant cable according to claim 1, it is characterised in that: the filled layer (6) is using fire-retardant
Polypropylene mesh split fibre is filled.
8. a kind of protective-cover type flame retardant cable according to claim 1, it is characterised in that: total shielded layer (4) is using pottery
Porcelain SiClx rubber.
9. a kind of protective-cover type flame retardant cable according to claim 1, it is characterised in that: the support column (2) is by high density
Insulated column and hollow pipe composition, and tube wall is that flame-retardant high-elasticity material, high density insulated column and hollow pipe are arranged according to the ratio of 3:1
Column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518232.0A CN109448912A (en) | 2018-12-12 | 2018-12-12 | A kind of protective-cover type flame retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518232.0A CN109448912A (en) | 2018-12-12 | 2018-12-12 | A kind of protective-cover type flame retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109448912A true CN109448912A (en) | 2019-03-08 |
Family
ID=65558400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811518232.0A Pending CN109448912A (en) | 2018-12-12 | 2018-12-12 | A kind of protective-cover type flame retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109448912A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020117325A1 (en) * | 2001-02-23 | 2002-08-29 | Mennone Michael P. | Flame resistant cable structure |
| CN103065717A (en) * | 2013-01-23 | 2013-04-24 | 江苏亨通电力电缆有限公司 | 6kV-35kV rated-voltage ceramic silicon rubber insulation medium-voltage fire-resistant frequency converter cable and process |
| CN103594172A (en) * | 2013-10-27 | 2014-02-19 | 安徽蓝德集团股份有限公司 | Inner pipe outer pipe hollow elastic anti-bending control cable |
| CN204303399U (en) * | 2014-12-31 | 2015-04-29 | 湖南华菱线缆股份有限公司 | Flexible cable is pressed in low smoke halogen-free fire retardant fire resistant |
| CN104927362A (en) * | 2015-06-25 | 2015-09-23 | 东爵有机硅(南京)有限公司 | Flame-retardant ceramization silicon rubber and preparation method |
| CN206931387U (en) * | 2017-05-04 | 2018-01-26 | 海欣电工科技有限公司 | A kind of skyscraper novel flame-retardant polyolefin insulation electric wire |
| CN207966512U (en) * | 2018-01-16 | 2018-10-12 | 青岛缆海工业科技集团股份有限公司 | A kind of fire resistant flexible environment-friendly cable |
-
2018
- 2018-12-12 CN CN201811518232.0A patent/CN109448912A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020117325A1 (en) * | 2001-02-23 | 2002-08-29 | Mennone Michael P. | Flame resistant cable structure |
| CN103065717A (en) * | 2013-01-23 | 2013-04-24 | 江苏亨通电力电缆有限公司 | 6kV-35kV rated-voltage ceramic silicon rubber insulation medium-voltage fire-resistant frequency converter cable and process |
| CN103594172A (en) * | 2013-10-27 | 2014-02-19 | 安徽蓝德集团股份有限公司 | Inner pipe outer pipe hollow elastic anti-bending control cable |
| CN204303399U (en) * | 2014-12-31 | 2015-04-29 | 湖南华菱线缆股份有限公司 | Flexible cable is pressed in low smoke halogen-free fire retardant fire resistant |
| CN104927362A (en) * | 2015-06-25 | 2015-09-23 | 东爵有机硅(南京)有限公司 | Flame-retardant ceramization silicon rubber and preparation method |
| CN206931387U (en) * | 2017-05-04 | 2018-01-26 | 海欣电工科技有限公司 | A kind of skyscraper novel flame-retardant polyolefin insulation electric wire |
| CN207966512U (en) * | 2018-01-16 | 2018-10-12 | 青岛缆海工业科技集团股份有限公司 | A kind of fire resistant flexible environment-friendly cable |
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Application publication date: 20190308 |