CN109671521A - A kind of mineral-insulated fireproof control cable - Google Patents
A kind of mineral-insulated fireproof control cable Download PDFInfo
- Publication number
- CN109671521A CN109671521A CN201910044315.9A CN201910044315A CN109671521A CN 109671521 A CN109671521 A CN 109671521A CN 201910044315 A CN201910044315 A CN 201910044315A CN 109671521 A CN109671521 A CN 109671521A
- Authority
- CN
- China
- Prior art keywords
- mineral
- core
- glass fibre
- cable
- control cable
- 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
- H01B7/02—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
- H01B7/17—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
- H01B7/17—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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- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of mineral-insulated fireproofs to control cable, including conductor, the outer surface of conductor is surrounded with mineral insulation layer, the outer surface of mineral insulation layer is extruded with ceramic polyolefin insulation layer to form core, core is provided with more, and more cores are twisted into cable core, an alkali-free glass fibre band forms glass fibre belt around more core outer surfaces are wrapped in, and alkali-free glass fibre silk is filled between glass fibre belt and cable core；In the present invention, mineral-insulated fireproof control cable main material all uses inorganic mineral or mineral compound to form, itself will not cause fire, it can not burn or combustion-supporting, and these materials are generally all with 1500 DEG C or more of higher melt, it is used in the transmission of electricity function that can also bring into normal play under flame condition, is a kind of fireproof control cable truly；Efficiently solve the problems such as control cable insulation is easy water suction dampness, insulating materials meets the insulation performance after burning carbonization.
Description
Technical field
The invention belongs to cable technical field of improvement, and in particular to a kind of mineral-insulated fireproof control cable.
Background technique
Control cable is controlled suitable for industrial and mining enterprises, energy traffic department, for 450/750 volt of ac rated voltage or less
Polyvinyl chloride insulation that the occasions such as system, protection circuit use, pvc sheath control cable.
Existing control cable remains some unreasonable factors, existing control cable during use
There is the deficiencies of following aspect when in use:
1. existing control cable insulation is easy water suction dampness；
2. existing control cable uses high-molecular organic material as insulation, there is be easily carbonized under flame condition
The problem of to lose insulation.
In the control route of the current big place of various flows of the people, skyscraper and fire-fighting equipment etc., it is necessary to it is required that tool
There is fire-proof function, thus it is proposed that a kind of mineral-insulated fireproof controls cable.
Summary of the invention
The purpose of the present invention is to provide a kind of mineral-insulated fireproofs to control cable, to solve to propose in above-mentioned background technique
Existing control cable remain some unreasonable factors during use, existing control cable is using
When there is control cable insulation be easy water suction dampness；Existing control cable use high-molecular organic material as insulation,
The problem of there is easily carbonization is to lose insulation under flame condition.
To achieve the above object, it the invention provides the following technical scheme: a kind of mineral-insulated fireproof controls cable, including leads
Body, the outer surface of conductor are surrounded with mineral insulation layer, and the outer surface of mineral insulation layer is extruded with ceramic polyolefin insulation
For layer to form core, core is provided with more, and more cores are twisted into cable core, and an alkali-free glass fibre band is around being wrapped in more
Core outer surface forms glass fibre belt, and alkali-free glass fibre silk, glass fibers are filled between glass fibre belt and cable core
The outer surface of dimension belt is extruded with the heat-insulated non-oxygen shaft floor of ceramic polyolefin, and the outer surface of the heat-insulated non-oxygen shaft floor of ceramic polyolefin extrudes
There is low smoke and zero halogen sheath layer.
Preferably, the outer surface of low smoke and zero halogen sheath layer can coat one layer of fire-retardant oversheath.
Preferably, core is copper free wire round wire.
Preferably, material therefor uses inorganic mineral or mineral compound.
Preferably, the fusing point of inorganic mineral or mineral compound material is not less than 1500 DEG C.
Compared with prior art, the beneficial effects of the present invention are:
(1) mineral-insulated fireproof control cable main material all uses inorganic mineral or mineral compound to form, it is originally
Body will not cause fire, it is impossible to and burning is combustion-supporting, and these materials generally all have 1500 DEG C or more of higher melt, even if
Transmission of electricity function for can also bring into normal play under flame condition is a kind of fireproof control cable truly；
(2) the easy water suction dampness of control cable insulation is efficiently solved, insulating materials meets the insulation burnt after being carbonized
The problems such as performance.
Detailed description of the invention
Fig. 1 is that mineral-insulated fireproof of the invention controls construction of cable schematic diagram；
In figure: 1, conductor；2, mineral insulation layer；3, ceramic polyolefin insulation layer；4, alkali-free glass fibre silk；5, glass
Glass fiber belt layer；6, the heat-insulated non-oxygen shaft floor of ceramic polyolefin；7, low smoke and zero halogen sheath layer；8, core.
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.
It please refers to Fig. 1 present invention and technical solution is provided: a kind of mineral-insulated fireproof control cable, including conductor 1, conductor 1
Outer surface be surrounded with mineral insulation layer 2, the outer surface of mineral insulation layer 2 be extruded with ceramic polyolefin insulation layer 3 from
And core 8 is formed, core 8 is provided with more, and more cores 8 are twisted into cable core, and an alkali-free glass fibre band is around being wrapped in more
8 outer surface of core forms glass fibre belt 5, and alkali-free glass fibre silk 4, glass are filled between glass fibre belt 5 and cable core
The outer surface of glass fiber belt layer 5 is extruded with the heat-insulated non-oxygen shaft floor 6 of ceramic polyolefin, the heat-insulated non-oxygen shaft floor 6 of ceramic polyolefin it is outer
Surface is extruded with low smoke and zero halogen sheath layer 7, due to mineral-insulated fireproof control cable main material all use inorganic mineral or
Mineral compound composition, itself will not cause fire, it is impossible to which burning is combustion-supporting, and these materials generally all have 1500 DEG C
Above higher melt, therefore such fireproof control cable is used under flame condition, can also be played within the regular hour
Normal transfer function is fully able to meet JG/T313-2014, GB/T13033.1-2007 and Britain refractory standard BS6387
Requirement, be a kind of fireproof control cable truly.
In the present embodiment, it is preferred that the outer surface of low smoke and zero halogen sheath layer 7 can coat one layer of fire-retardant oversheath, facilitate
Increase the protection of control cable.
In the present embodiment, it is preferred that core 8 is copper free wire round wire, facilitates telecommunication or power Transmission.
In the present embodiment, it is preferred that material therefor uses inorganic mineral or mineral compound, facilitates using itself not
It can cause fire, incombustible or combustion-supporting characteristic.
In the present embodiment, it is preferred that the fusing point of inorganic mineral or mineral compound material is not less than 1500 DEG C, that is, is used in
Under flame condition, the transfer function that can also bring into normal play within the regular hour.
The working principle of the invention and process for using: in use, coating one layer of resistance in the outer surface of low smoke and zero halogen sheath layer 7
Oversheath is fired, mineral-insulated fireproof control erecting cable is used for telecommunication or power Transmission in the sky or mounted in underground, bottom etc..
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of mineral-insulated fireproof controls cable, including conductor (1), it is characterised in that: the outer surface of the conductor (1) is wrapped
Have mineral insulation layer (2), the outer surface of the mineral insulation layer (2) be extruded with ceramic polyolefin insulation layer (3) to
Formed core (8), the core (8) is provided with more, and more cores (8) are twisted into cable core, an alkali-free glass fibre band around
It is wrapped in more core (8) outer surfaces and forms glass fibre belt (5), filled out between the glass fibre belt (5) and cable core
Filled with alkali-free glass fibre silk (4), the outer surface of the glass fibre belt (5) is extruded with the heat-insulated non-oxygen shaft floor of ceramic polyolefin
(6), the outer surface of the heat-insulated non-oxygen shaft floor of ceramic polyolefin (6) is extruded with low smoke and zero halogen sheath layer (7).
2. a kind of mineral-insulated fireproof according to claim 1 controls cable, it is characterised in that: the low smoke and zero halogen sheath
The outer surface of layer (7) can coat one layer of fire-retardant oversheath.
3. a kind of mineral-insulated fireproof according to claim 1 controls cable, it is characterised in that: the core (8) is nothing
Oxygen copper wire round wire.
4. a kind of mineral-insulated fireproof according to claim 1 controls cable, it is characterised in that: the material therefor uses
Inorganic mineral or mineral compound.
5. a kind of mineral-insulated fireproof according to claim 4 controls cable, it is characterised in that: the inorganic mineral or mine
The fusing point of compounds material is not less than 1500 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044315.9A CN109671521A (en) | 2019-01-17 | 2019-01-17 | A kind of mineral-insulated fireproof control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044315.9A CN109671521A (en) | 2019-01-17 | 2019-01-17 | A kind of mineral-insulated fireproof control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109671521A true CN109671521A (en) | 2019-04-23 |
Family
ID=66149466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910044315.9A Pending CN109671521A (en) | 2019-01-17 | 2019-01-17 | A kind of mineral-insulated fireproof control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109671521A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655011A (en) * | 2016-04-01 | 2016-06-08 | 江苏江扬电缆有限公司 | Flexible mineral insulated cable and production method thereof |
| CN205881508U (en) * | 2016-07-14 | 2017-01-11 | 东莞市成天泰电线电缆有限公司 | Mineral insulation pottery vitrification silica gel fireproof cable |
| CN206058991U (en) * | 2016-08-19 | 2017-03-29 | 四川兴川泰线缆有限公司 | A kind of mineral insulation is from lock armo flexible fire-proof cable |
| CN206921567U (en) * | 2017-06-02 | 2018-01-23 | 深圳市永盛发电缆实业发展有限公司 | A kind of flexible mineral insulation fireproof cable structure |
-
2019
- 2019-01-17 CN CN201910044315.9A patent/CN109671521A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655011A (en) * | 2016-04-01 | 2016-06-08 | 江苏江扬电缆有限公司 | Flexible mineral insulated cable and production method thereof |
| CN205881508U (en) * | 2016-07-14 | 2017-01-11 | 东莞市成天泰电线电缆有限公司 | Mineral insulation pottery vitrification silica gel fireproof cable |
| CN206058991U (en) * | 2016-08-19 | 2017-03-29 | 四川兴川泰线缆有限公司 | A kind of mineral insulation is from lock armo flexible fire-proof cable |
| CN206921567U (en) * | 2017-06-02 | 2018-01-23 | 深圳市永盛发电缆实业发展有限公司 | A kind of flexible mineral insulation fireproof cable structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190423 |
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| RJ01 | Rejection of invention patent application after publication |