CN106297983B - A kind of composite-type flexible fireproof cable - Google Patents
A kind of composite-type flexible fireproof cable Download PDFInfo
- Publication number
- CN106297983B CN106297983B CN201610713624.7A CN201610713624A CN106297983B CN 106297983 B CN106297983 B CN 106297983B CN 201610713624 A CN201610713624 A CN 201610713624A CN 106297983 B CN106297983 B CN 106297983B
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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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
-
- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- 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
- H01B9/00—Power cables
Abstract
The present invention relates to a kind of composite-type flexible fireproof cable, it includes cable core and the protective case being arranged on outside cable core, the cable core include copper conductor and be compounded in successively from the inside to the outside on copper conductor can porcelain SiClx rubber composite belt, synthetic mica tape and polyolefin insulation；The protective case includes the chain armored fireproofing set of inorganic glass fiber gasket for packing, inorganic mineral fireprotection layer, glass fiber tape, nonmagnetic steel band set gradually from the inside to the outside and ceramic low smoke, zero halogen polyolefin jacket.The electric property and security performance of the present invention is superior, has the advantages that fire prevention, service life are long.
Description
Technical field
The present invention relates to field of cable technology, and in particular to a kind of composite-type flexible fireproof cable.
Background technology
In the industrial building of modern metropolitan cities, the ratio in power system power supply stage casing is caused due to fire incident ignition of cable
Example rises year by year.When fire occurs, the system such as monitoring, control, guiding and alarm is able to maintain that normal work is to reduce loss
And the basic guarantee of injures and deaths.Therefore, fire-type electric wire is used in important fire-hazardous industry and civilian installation equipment
It is vital；The transmission of electricity function that how can be brought into normal play under flame condition is a current problem of fireproof cable.
The content of the invention
It is an object of the invention to provide a kind of electric property and security performance be superior, the composite-type flexible of service life length is prevented
Thermoelectricity cable.
The present invention adopts the following technical scheme that：
A kind of composite-type flexible fireproof cable, it includes cable core and the protective case being arranged on outside cable core, and the cable core includes
Copper conductor and be successively set on from the inside to the outside on copper conductor can porcelain SiClx rubber composite belt, synthetic mica tape and polyolefin it is exhausted
Edge layer；The protective case includes inorganic glass fiber gasket for packing, inorganic mineral fireprotection layer, the glass set gradually from the inside to the outside
The chain armored fireproofing set of fiber band, nonmagnetic steel band and ceramic low smoke, zero halogen polyolefin jacket.
Further, the cable core can be wall scroll or a plurality of cable core twisting stranding of one or more.During stranding
Zero line and/or ground wire can also be included.
Further, it is described can porcelain SiClx rubber composite belt be coated on the outer layer of copper conductor, wrapped cap rate 49 ~ 50%, bag
0.8 ~ 2.8mm of coating thickness.
Further, the synthetic mica tape it is wrapped can porcelain SiClx rubber composite belt outside and wrapped cap rate 15 ~
30%, thickness is not less than 0.14 ~ 0.28mm.
Further, the polyolefin insulation layer be extruded in the synthetic mica tape outside and nominal thickness be 0.7 ~
2.0mm。
Further, the gap at center and surrounding when the inorganic glass fiber gasket for packing is arranged on cable core stranding it
Between.
Further, the inorganic mineral fireprotection layer is extruded in the polyolefin insulation layer and inorganic glass fiber filling
Outside after rope stranding, and it is 1.8mm~2.2mm to coat thickness.
Further, the inorganic mineral fireprotection layer is made by the raw material of following parts by weight：The nothing of 50~80 parts by weight
The liquid sodium silicate of machine hydroxide powder and 20 ~ 50 parts by weight.
Further, the glass fiber tape is arranged on the outside of inorganic mineral fireprotection layer, and wrapped cap rate 15 ~
30%。
Further, the chain armored fireproofing of nonmagnetic steel band is set on the outside of glass fiber tape, thickness 0.2mm
~0.5mm, the chain armored fireproofing set of nonmagnetic steel band is wrapped in the outside of glass fiber tape by nonmagnetic steel band, and nonmagnetic steel band is chain
Armored fireproofing set surface has spiral grain, and the width of nonmagnetic steel band is 10mm~50mm.
Further, the ceramic low smoke, zero halogen polyolefin jacket is arranged on the outer of the chain armored fireproofing set of nonmagnetic steel band
Side and nominal thickness are 1.4mm~4.0mm.
The beneficial effects of the present invention are：The cable craft of the present invention is simple, have current-carrying capacity it is big, it is flexible, can be continuous
Long length produces, is safe and environment-friendly, high performance fireproof cable.Appropriate cable of the present invention allows 90 DEG C of requirements of operating temperature for a long time,
It disclosure satisfy that and use in the environment of larger overload capacity, corrosion-resistant, thermal-flame；The fusing point of inorganic mineral fireprotection layer exists
More than 2800 DEG C, and the fusing point of copper be 1083 DEG C, cable of the present invention can be used in transformer and distribution station（Or total switchgear house）Lead to and disappear
The power supply backbone of anti-equipment or spy, one-level place.125 DEG C that can use or substitute long-term use as grade-A fire-resistant cable are low
Cigarette, halogen-free flame-retardant cable.The cable applies to fixed laying occasion.In the case of ignition temperature reaches 950 DEG C, remain to protect
3h is held to continue to run with.
Brief description of the drawings
Fig. 1 is the five cored structure schematic diagrames of the present invention.
Fig. 2 is the four core cross-sectional views of the present invention.
Fig. 3 is the processing process figure of the present invention.
Wherein, 1 copper conductor, 2 can porcelain SiClx rubber composite belt, 3 synthetic mica tapes, 4 polyolefin insulation layers, 5 unorganic glasses
Fiber gasket for packing, 6 inorganic mineral fireprotection layers, 7 glass fiber tapes, the chain armored fireproofing set of 8 nonmagnetic steel bands, 9 ceramic Halogens
Low cigarette polyolefin jacket, 10 zero lines, 11 ground wires, 12 cable core paying out machines, 13 cable core tenslators, 14 active release line stabilizations dress
Put, 15 extruders, 16 winding machines, 17 draw-gears, 18 meter counters, 19 cable takeup tension controllers, 20 cables receive winding displacement dress
Put, 21 batch mixers.
Embodiment
With reference to embodiment, the present invention is described in detail.The scope of the present invention is not limited to embodiment, this area
Technical staff makes any change in the range of claim restriction and falls within the scope of protection of the invention.
The composite-type flexible fireproof cable of the present invention is prepared by the way that equipment is produced by below：Cable core paying out machine 12 → cable core tension force
17 → meter counter of control device 13 → active release line stabilization device 14 → extruder, 15 → winding machine, 16 → draw-gear 18 → electricity
Cable takeup tension 19 → cable of controller winding and arranging device 20.The connecting extruder 15 of batch mixer 21, batch mixer 21 are anti-for preparing
Chamotte, fire-proof mud input extruder 15 obtain inorganic mineral fireprotection layer 6.
Embodiment 1
A kind of composite-type flexible fireproof cable, it includes cable core and the protective case being arranged on outside cable core, and the cable core includes
Copper conductor 1 and be compounded in successively from the inside to the outside on copper conductor 1 can porcelain SiClx rubber composite belt 2, synthetic mica tape 3 and polyene
Hydrocarbon insulating barrier 4；The protective case includes inorganic glass fiber gasket for packing 5, the inorganic mineral fire prevention set gradually from the inside to the outside
The chain armored fireproofing set 8 of layer 6, glass fiber tape 7, nonmagnetic steel band and ceramic low smoke, zero halogen polyolefin jacket 9.
It is described can porcelain SiClx rubber composite belt 2 be coated on the outer layer of copper conductor 1, wrapped cap rate 49%, coating thickness
0.8mm。
The synthetic mica tape 3 it is wrapped can porcelain SiClx rubber composite belt 2 outside and wrapped cap rate 15%, thickness
0.14mm。
The polyolefin insulation layer 4 is extruded in the outside of the synthetic mica tape 3 and nominal thickness is 0.7mm.
Center when the inorganic glass fiber gasket for packing 5 is arranged on cable core stranding and between the gap of surrounding.
The inorganic mineral fireprotection layer 6 is extruded in the polyolefin insulation layer 4 and the stranding of inorganic glass fiber gasket for packing 5
Outside afterwards, and it is 1.8mm to coat thickness.
The inorganic mineral fireprotection layer 6 is made by the raw material of following parts by weight：The inorganic hydroxide of 50~80 parts by weight
The liquid sodium silicate of thing powder and 20 ~ 50 parts by weight.
The inorganic hydroxide powder includes magnesium hydroxide and aluminium hydroxide, and the mass ratio of the two is 8: 5.
The optimum ratio of inorganic mineral fireprotection layer 6 is：The parts by weight of magnesium hydroxide 40, the parts by weight of aluminium hydroxide 25, silicon
The sour parts by weight of sodium 35.The magnesium hydroxide purity more than 95%；The Baume degrees of sodium metasilicate：Between 56Be °~62Be °, modulus：
2.6M~3.5M, dioxide-containing silica >=30%, sodium oxide content >=12%, comprehensive viscosity >=15CPS.
When preparing inorganic mineral fireprotection layer 6, after sodium metasilicate, inorganic hydroxide powder are precisely weighed, by special
Batch mixer is well mixed to be made fire-proof mud, then fire-proof mud is put into extruder to start shooting and is made.
The glass fiber tape 7 is arranged on the outside of inorganic mineral fireprotection layer 6, and wrapped cap rate 15%.
The chain armored fireproofing set 8 of nonmagnetic steel band is arranged on the outside of glass fiber tape 7, and the chain armouring of nonmagnetic steel band is prevented
8 surfaces of fire set have spiral grain, improve the bendable folding endurance of cable.Thickness is 0.2mm, and nonmagnetic steel bandwidth is 10mm.
The ceramic low smoke, zero halogen polyolefin jacket 9 is arranged on the outside of the chain armored fireproofing set 8 of nonmagnetic steel band and mark
Thickness is referred to as 1.4mm.
Embodiment 2
With embodiment 1, difference is：It is described can 2 wrapped cap rate 50% of porcelain SiClx rubber composite belt, coat thickness
Spend 2.8mm.The wrapped cap rate 30% of synthetic mica tape 3, thickness 0.28mm.The nominal thickness of polyolefin insulation layer 4 is
2.0mm.It is 2.2mm that the inorganic mineral fireprotection layer 6, which coats thickness,.The wrapped cap rate 30% of glass fiber tape 7.It is described
It is 0.5mm that the chain armored fireproofing of nonmagnetic steel band, which covers 8 thickness, and nonmagnetic steel bandwidth is 50mm.The ceramic low smoke, zero halogen polyene
The nominal thickness of hydrocarbon sheath 9 is 4.0mm.
Embodiment 3
With embodiment 1, difference is：It is described can 2 wrapped cap rate 50% of porcelain SiClx rubber composite belt, coat thickness
Spend 1.6mm.The wrapped cap rate 20% of synthetic mica tape 3, thickness 0.28mm.The nominal thickness of polyolefin insulation layer 4 is
1.2mm.It is 2.0mm that the inorganic mineral fireprotection layer 6, which coats thickness,.The wrapped cap rate 20% of glass fiber tape 7.It is described
It is 0.4mm that the chain armored fireproofing of nonmagnetic steel band, which covers 8 thickness, and nonmagnetic steel bandwidth is 40mm.The ceramic low smoke, zero halogen polyene
The nominal thickness of hydrocarbon sheath 9 is 3.0mm.
Effect example
According to GB12666.6-90 national standards, the fire protecting performance of above-described embodiment 1 ~ 3 is detected.Embodiment 1 ~ 3
Use five cores（The ground system of three-phase 1）, triple line is connected with Three-Phase Transformer, zero line and ground wire and other hardwares one
Play ground connection.Using cast blowtorch, for liquefied petroleum gas as fuel, flame intensity is A classes（950~1000℃）, it is for the fiery time
180 minutes, experimental voltage was rated voltage.Test result indicates that embodiment 1 ~ 3 under 950 degree of flame, still ensures that power supply
3h。
The present invention is described in detail according to the above embodiments.It should be noted that the embodiment of the above is only for act
Example explanation invention.On the premise of without departing from spirit and substance of the present invention, those skilled in the art can be designed that this
The a variety of alternatives and improvement project of invention, it all should be understood to be within protection scope of the present invention.
Claims (8)
1. a kind of composite-type flexible fireproof cable, it is characterised in that it includes cable core and the protective case being arranged on outside cable core, described
Cable core includes copper conductor（1）And copper conductor is successively set on from the inside to the outside（1）On can porcelain SiClx rubber composite belt（2）, close
Into mica tape（3）And polyolefin insulation layer（4）；The protective case includes the inorganic glass fiber filling set gradually from the inside to the outside
Rope（5）, inorganic mineral fireprotection layer（6）, glass fiber tape（7）, the chain armored fireproofing set of nonmagnetic steel band（8）With ceramic Halogen
Low cigarette polyolefin jacket（9）；
The inorganic mineral fireprotection layer（6）It is made by the raw material of following parts by weight：The inorganic hydroxide of 50~80 parts by weight
The liquid sodium silicate of powder and 20 ~ 50 parts by weight；
The inorganic hydroxide powder includes magnesium hydroxide and aluminium hydroxide, and the mass ratio of the two is 8: 5；
It is described can porcelain SiClx rubber composite belt be coated on the outer layer of copper conductor, wrapped cap rate 49 ~ 50%, coating thickness 0.8 ~
2.8mm；
The magnesium hydroxide purity more than 95%；The Baume degrees of sodium metasilicate：Between 56Be °~62Be °, modulus：2.6M~3.5M,
Dioxide-containing silica >=30%, sodium oxide content >=12%, comprehensive viscosity >=15CPS.
A kind of 2. composite-type flexible fireproof cable according to claim 1, it is characterised in that the synthetic mica tape（3）
It is wrapped can porcelain SiClx rubber composite belt（2）Outside and wrapped cap rate 15 ~ 30%, 0.14 ~ 0.28mm of thickness.
A kind of 3. composite-type flexible fireproof cable according to claim 1, it is characterised in that the polyolefin insulation layer
（4）It is extruded in the synthetic mica tape（3）Outside and nominal thickness be 0.7 ~ 2.0mm.
4. a kind of composite-type flexible fireproof cable according to claim 1, it is characterised in that the inorganic glass fiber is filled out
Fill rope（5）Center when being arranged on cable core stranding and between the gap of surrounding.
A kind of 5. composite-type flexible fireproof cable according to claim 1, it is characterised in that the inorganic mineral fire prevention
Layer（6）It is extruded in the polyolefin insulation layer（4）With inorganic glass fiber gasket for packing（5）Outside after stranding, and coat thickness
For 1.8mm~2.2mm.
A kind of 6. composite-type flexible fireproof cable according to claim 1, it is characterised in that the glass fiber tape（7）
It is arranged on inorganic mineral fireprotection layer（6）Outside, and wrapped cap rate 15 ~ 30%.
A kind of 7. composite-type flexible fireproof cable according to claim 1, it is characterised in that the chain armour of nonmagnetic steel band
Fill fireproof covering（8）It is arranged on glass fiber tape（7）Outside, thickness is 0.2mm~0.5mm, nonmagnetic steel bandwidth be 10mm~
50mm。
A kind of 8. composite-type flexible fireproof cable according to claim 1, it is characterised in that the ceramic low smoke, zero halogen
Polyolefin jacket（9）It is arranged on the chain armored fireproofing set of nonmagnetic steel band（8）Outside and nominal thickness be 1.4mm~4.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610713624.7A CN106297983B (en) | 2016-08-24 | 2016-08-24 | A kind of composite-type flexible fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610713624.7A CN106297983B (en) | 2016-08-24 | 2016-08-24 | A kind of composite-type flexible fireproof cable |
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| Publication Number | Publication Date |
|---|---|
| CN106297983A CN106297983A (en) | 2017-01-04 |
| CN106297983B true CN106297983B (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610713624.7A Active CN106297983B (en) | 2016-08-24 | 2016-08-24 | A kind of composite-type flexible fireproof cable |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448921B (en) * | 2018-11-19 | 2020-07-31 | 尚纬股份有限公司 | Manufacturing method of inorganic fireproof medium-high voltage cable |
| CN109949991B (en) * | 2019-04-02 | 2020-08-04 | 黑龙江工业学院 | 5-core BTTZ mineral insulation fireproof cable |
| CN110289133A (en) * | 2019-06-25 | 2019-09-27 | 晋源电气集团股份有限公司 | A kind of computer cable of high-strength ageing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871585A (en) * | 2014-02-24 | 2014-06-18 | 安徽华海特种电缆集团有限公司 | Ultra-flexible high-temperature-resistant anti-corrosion and fireproof oxide insulated cable |
| CN204760074U (en) * | 2015-06-17 | 2015-11-11 | 宝胜科技创新股份有限公司 | Super flexible fireproof cable of chain armor metal covering of mica insulation protection |
| CN205282143U (en) * | 2016-01-18 | 2016-06-01 | 明达线缆集团有限公司 | Fire -retardant fireproof cable of flexible inorganic mineral insulation low smoke and zero halogen |
-
2016
- 2016-08-24 CN CN201610713624.7A patent/CN106297983B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871585A (en) * | 2014-02-24 | 2014-06-18 | 安徽华海特种电缆集团有限公司 | Ultra-flexible high-temperature-resistant anti-corrosion and fireproof oxide insulated cable |
| CN204760074U (en) * | 2015-06-17 | 2015-11-11 | 宝胜科技创新股份有限公司 | Super flexible fireproof cable of chain armor metal covering of mica insulation protection |
| CN205282143U (en) * | 2016-01-18 | 2016-06-01 | 明达线缆集团有限公司 | Fire -retardant fireproof cable of flexible inorganic mineral insulation low smoke and zero halogen |
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| Publication number | Publication date |
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| CN106297983A (en) | 2017-01-04 |
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Effective date of registration: 20211020 Address after: 311100 Xikou village, Baizhang Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU TONGCE WIRE AND CABLE Co.,Ltd. Address before: 055550 xiaohezhuang village, jiajiakou Town, Ningjin County, Xingtai City, Hebei Province Patentee before: CHAODA WIRE&CABLE Co.,Ltd. |
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