CN208014396U - A kind of mineral insulation shell-less flexible flame-retardant cable - Google Patents
A kind of mineral insulation shell-less flexible flame-retardant cable Download PDFInfo
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- CN208014396U CN208014396U CN201820476482.1U CN201820476482U CN208014396U CN 208014396 U CN208014396 U CN 208014396U CN 201820476482 U CN201820476482 U CN 201820476482U CN 208014396 U CN208014396 U CN 208014396U
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Abstract
The utility model discloses a kind of mineral insulation shell-less flexible flame-retardant cable, including cable core, the cable core is twisted by a plurality of insulated core；In the gap filling carbon fiber silk of cable core, it is externally provided with three-in-one fluorophologopite band in cable core, it is externally provided in three-in-one fluorophologopite band and extrudes fire resisting expanding layer, it is externally provided with nonmagnetic metal band in fire resisting expanding layer, is equipped with cable compound pipe again after the outer surface coating refractory dope layer of nonmagnetic metal band.The utility model has the characteristics that highly corrosion resistant, high heat-insulated, high-intensity performance, high flame resistance.
Description
Technical field
The utility model is related to electric wire fields, and in particular to a kind of mineral insulation shell-less flexible flame-retardant cable.
Background technology
Fire refers to the disaster caused by out of control burning over time and space.In various disasters, fire is
Most frequently, one of the major casualty of public security and social development is most generally threatened.
With the continuous development of society, while the wealth of society is increasing, the danger that fire occurs is caused also to exist
Increase, the harmfulness of fire is also increasing.According to statistics, China's fire seventies annual loss is less than 2.5 hundred million yuan, the eighties
Fire annual is lost less than 3.2 hundred million yuan.Since the nineties, especially 1993 year, direct property loss caused by fire
Rise to average annual more than ten00000000 yuan.It makes an inventory according to Chinese fire protection, national whole year in 2014 is informed of a case fire 39.5 ten thousand, dead 1817 people,
Injured 1493 people, direct property loss is up to 43.9 hundred million yuan.From the point of view of statistical data, electrical fire accounts for 36.9% in fire, causes
Economic loss account for 58.6%.Although the main reason for anoxic, high temperature in fire, flue dust, poisonous gas are the harm person,
According to statistical analysis the reason of causing casualties in fire, smoked due to anthracemia death by suffocation or by other poison gas
The dead typically constitutes from the 40%~50% of the total death toll of fire.
In order to save more life, property and information from the merciless scene of a fire, it during being applied to of fireproof cable is attached most importance to
Weight, and fireproof cable currently on the market can be divided into two kinds of rigidity and flexibility by architectural characteristic.Due to rigid mineral insulation electricity
Cable rigidity mineral insulated cable（Mineral Insulated Cable）Abbreviation MI cables are in terms of reliability, production and laying
Defect, gradually quit listing in European and American developed countries, flexible mineral insulation fireproof cable become fire protection field mainstream cable produce
Product.General cable metal set uses copper sheathing, and the process is more complicated, and efficiency is low, and cost is higher, and separation layer is passed through frequently with heated temperature
Lower material is spent, isolation can not be formed so that isolation material is heated by broken meeting, frequently results in phenomena such as cable is short-circuit.
In addition, with the rapid development of communication cable and power cable, application of the cable in our daily life is more
Add extensively, effect is also further important, and the protection of cable is required also higher and higher, must be requested that cable tube has certain
Intensity and anti-pressure ability, but also must have seepage capability, cable tube in the prior art is mainly by fibre cement control
It forms, but this cable tube heavier-weight, flexible poor, very inconvenient use.
Utility model content
In order to overcome the deficiencies in the prior art, provide it is a kind of have highly corrosion resistant, high heat-insulated, high-intensity performance,
The mineral insulation shell-less flexible flame-retardant cable of high fire-retardance.
To achieve the above object, the utility model provides a kind of mineral insulation shell-less flexible flame-retardant cable, including cable core,
The cable core is twisted by a plurality of insulated core；In the gap filling carbon fiber silk of cable core, three conjunctions are externally provided in cable core
One fluorophologopite band is externally provided in three-in-one fluorophologopite band and extrudes fire resisting expanding layer, is externally provided in fire resisting expanding layer non-
Magnetic metal band is equipped with cable compound pipe again after the outer surface coating refractory dope layer of nonmagnetic metal band.
Preferably, the insulated wire cores are by aluminium alloy conductor, the mineral insulation being extruded in outside aluminium alloy conductor, overlapping
Two-sided synthetic mica tape outside mineral insulation and the inhibiting tape being extruded in outside two-sided synthetic mica tape are constituted.
Preferably, the mineral insulation is made of Environmental-protective fire-proof nanometer mineral insulation material.
Preferably, the three-in-one fluorophologopite band is attached to system among layer glass fiber cloth by synthetic mica
At.
Preferably, the outer wall of the cable compound pipe, including fibre-cement pipe, the fibre-cement pipe is equipped with glass
Layer of cloth and resin layer, the glass fabric layer is between the fibre-cement pipe and resin layer；The tube wall of the fibre-cement pipe
It is interior to be equipped with several stiffeners being circumferentially evenly arranged；Several cloth uniform in an axial direction are equipped in the tube wall of the fibre-cement pipe
The stiffener is connected as one by the connecting hoop set, the connecting hoop.
Preferably, the inhibiting tape is using non-woven fabrics or base fabric as intermediate base layer, the non-woven fabrics or woven cloth
It is attached on the upper surface of layer to be knotted the first XPE bubble layers, it is attached on the upper surface of the first XPE bubble layers to be knotted the first aluminium film
Layer；It is attached on the lower surface of the non-woven fabrics or woven cloth material layer to be knotted the 2nd XPE bubble layers, in the 2nd XPE bubbles
It is attached on the lower surface of layer to be knotted the second aluminum membranous layer.
Compared with prior art, the beneficial effects of the utility model are：
1, it is equipped with mineral insulation, is constituted using Environmental-protective fire-proof nanometer mineral insulation material, it can excess load under rated voltage
2.5 times and as usual play insulating effect；Long-term service temperature range is：It -40 degrees Celsius to 1200 degrees Celsius, insulate as usual；
It is not short-circuit in 1.5 hours under the ablation of 800-1200 degrees Celsius of open fires, do not cause electrical fire, it more will not be combustion-supporting；In open fire ablation
In the process, not only fire retardant nonflame, but also no longer releasing asphyxia toxic gas, has low cigarette, nontoxic, Halogen, fire-retardant characteristic；
When bearing mechanical external force, electromagnetism interference；At low cost, good performance indexes；Insulating layer suitable for various electric wires；Lead to again
It crosses equipped with expansion flame retardant coating, the expanding layer foamed solidification under flame invasion forms thick barrier and obstructed flame to aluminum pipe
It directly sprays, not only the integrality of aluminum pipe is preserved, and glass fiber tape heating temperature is made to improve to 1100 DEG C hereinafter, making
The stability of glass fibre tape insulation is improved so that the high and low density of cable strength, high-temperature insulation be good, heat insulation
It is good；
2, due to being provided with glass fabric layer and resin layer on the outer wall of fibre-cement pipe, and glass fabric layer is located at fiber
Between pipe of cement and resin layer, this composite cable pipe is made not only to have fibre-cement pipe feature with long service life, it is also same
When have light weight, feature flexible, bend resistance intensity is high, comprehensive performance is greatly improved, more convenient
It uses；
It 3, can be effectively due to being provided with several stiffeners being arranged circumferentially in the tube wall of fibre-cement pipe
The mechanical strength for increasing fibre-cement pipe, makes its anti-pressure ability be improved；
4, due to being provided with several connecting hoops being axially evenly arranged in the tube wall of fibre-cement pipe, and these are connected
Stiffener is connected as one by hoop, is equivalent to all stiffeners being connected as an entirety in this way, and this is whole
Body, which is placed in fibre-cement pipe, serves as a braced frame, and the mechanical strength of the composite cable pipe and anti-pressure ability is made to obtain
It is further to improve；
5, add the composite double layer insulation system for extruding cross-linked polyethylene insulating material using wrapped three-in-one fluorophologopite band,
Make cable that there is good fire protecting performance to ensure the excellent electric property of cable again；Three-in-one fluorophlogopite belt is to use fluorine ion generation
For hydroxyl, it is main material to obtain size and crystal form more preferably synthetic mica, is attached among layer glass cloth.Make the mica tape
It is small with the coefficient of expansion, dielectric strength is big, resistivity is high and the electrical property of dielectric constant even and excellent outside, especially temperature classification
It is horizontal to can reach A grades of fire resistings for height（950~1000 DEG C）；
6, flame-retardant layer takes full advantage of aluminium film high reflection, base fabric or nonwoven layer high intensity, good toughness and XPE
The features such as bubble floor height is kept the temperature, especially adding fire retardant makes heat-barrier material with highly corrosion resistant, high heat-insulated, high-intensity performance
While also there is high flame resistance so that also with high resistant while cable has highly corrosion resistant, height heat-insulated, high-intensity performance
Fire performance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of cable compound pipe；
Fig. 3 is the structural schematic diagram of inhibiting tape.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, it should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model, after having read the utility model, art technology
Personnel fall within the application range as defined in the appended claims to the modification of the various equivalent forms of the utility model.
As shown in Figure 1, the utility model provides a kind of mineral insulation shell-less flexible flame-retardant cable, including cable core, it is described
Cable core be twisted by a plurality of insulated core；The insulated wire cores by aluminium alloy conductor 1, be extruded in outside aluminium alloy conductor
Mineral insulation 2 is overlapped the two-sided synthetic mica tape 3 outside mineral insulation and is extruded in outside two-sided synthetic mica tape
Inhibiting tape 4 constitute；In the gap filling carbon fiber silk 5 of cable core, it is externally provided with three-in-one fluorophologopite band 6 in cable core,
Three-in-one fluorophologopite band, which is externally provided with, extrudes fire resisting expanding layer 7, nonmagnetic metal band 8 is externally provided in fire resisting expanding layer, non-
Cable compound pipe 10 is equipped with after the outer surface coating refractory dope layer 9 of magnetic metal band again.
As shown in Fig. 2, the cable compound pipe, including fibre-cement pipe 11, set on the outer wall of the fibre-cement pipe
There are glass fabric layer 12 and resin layer 13, the glass fabric layer is between the fibre-cement pipe and resin layer；The fiber water
Several stiffeners 14 being circumferentially evenly arranged are equipped in the tube wall of mud pipe；It is equipped in the tube wall of the fibre-cement pipe several
The connecting hoop 15 being evenly arranged in an axial direction, connecting hoop are circular ring shape, and the stiffener is connected as one by the connecting hoop.
As shown in figure 3, the inhibiting tape is using non-woven fabrics or base fabric as intermediate base layer 16, the non-woven fabrics or volume
It is attached on the upper surface of nonwoven fabric layer to be knotted the first XPE bubble layers 17, it is attached on the upper surface of the first XPE bubble layers to be knotted first
Aluminum membranous layer 18；It is attached on the lower surface of the non-woven fabrics or woven cloth material layer to be knotted the 2nd XPE bubble layers 19, described second
It is attached on the lower surface of XPE bubble layers to be knotted the second aluminum membranous layer 20；The woven cloth or nonwoven layer, each XPE bubble layers, each aluminium
It is connected by polyurethanes coupler between film layer, the thickness of the polyurethanes coupler is 10 microns.
The mineral insulation is made of Environmental-protective fire-proof nanometer mineral insulation material, can excess load 2.5 under rated voltage
Again and play insulating effect as usual；Long-term service temperature range is：It -40 degrees Celsius to 1200 degrees Celsius, insulate as usual；
It is not short-circuit in 1.5 hours under the ablation of 800-1200 degrees Celsius of open fires, do not cause electrical fire, it more will not be combustion-supporting；In open fire ablation
In the process, not only fire retardant nonflame, but also no longer releasing asphyxia toxic gas, has low cigarette, nontoxic, Halogen, fire-retardant characteristic；
When bearing mechanical external force, electromagnetism interference；At low cost, good performance indexes；Insulating layer suitable for various electric wires；Lead to again
It crosses equipped with expansion flame retardant coating, the expanding layer foamed solidification under flame invasion forms thick barrier and obstructed flame to aluminum pipe
It directly sprays, not only the integrality of aluminum pipe is preserved, and glass fiber tape heating temperature is made to improve to 1100 DEG C hereinafter, making
The stability of glass fibre tape insulation is improved so that the high and low density of cable strength, high-temperature insulation be good, heat insulation
It is good；
The three-in-one fluorophologopite band, which is attached to by synthetic mica among layer glass fiber cloth, to be made, and cable is made
Ensure the excellent electric property of cable again with good fire protecting performance.
The above is only the preferred embodiment of the utility model, it is noted that for the ordinary skill people of this field
For member, without departing from the principle of this utility model, several variations and modifications can also be made, these also should be regarded as belonging to
In the scope of protection of the utility model.
Claims (6)
1. a kind of mineral insulation shell-less flexible flame-retardant cable, it is characterised in that：Including cable core, the cable core by thoroughly doing away with edge more
Core is twisted；In the gap filling carbon fiber silk of cable core, it is externally provided with three-in-one fluorophologopite band in cable core, is closed three
One fluorophologopite band, which is externally provided with, extrudes fire resisting expanding layer, nonmagnetic metal band is externally provided in fire resisting expanding layer, in non magnetic gold
It is equipped with cable compound pipe again after belonging to the outer surface coating refractory dope layer of band.
2. mineral insulation shell-less flexible flame-retardant cable according to claim 1, it is characterised in that：The insulated wire cores
It is synthesized by aluminium alloy conductor, the mineral insulation being extruded in outside aluminium alloy conductor, two-sided outside mineral insulation of overlapping
Mica tape and the inhibiting tape being extruded in outside two-sided synthetic mica tape are constituted.
3. mineral insulation shell-less flexible flame-retardant cable according to claim 2, it is characterised in that：The mineral insulation
Layer is made of Environmental-protective fire-proof nanometer mineral insulation material.
4. mineral insulation shell-less flexible flame-retardant cable according to claim 1, it is characterised in that：The three-in-one fluorine
Phlogopite band is attached among layer glass fiber cloth by synthetic mica and is made.
5. mineral insulation shell-less flexible flame-retardant cable according to claim 1, it is characterised in that：The cable is compound
The outer wall of pipe, including fibre-cement pipe, the fibre-cement pipe is equipped with glass fabric layer and resin layer, and the glass fabric layer is located at
Between the fibre-cement pipe and resin layer；Several reinforcements being circumferentially evenly arranged are equipped in the tube wall of the fibre-cement pipe
Reinforcing bar；Several connecting hoops being evenly arranged in an axial direction are equipped in the tube wall of the fibre-cement pipe, the connecting hoop described will add
Strong bar connecting is integrated.
6. mineral insulation shell-less flexible flame-retardant cable according to claim 2, it is characterised in that：The inhibiting tape with
Non-woven fabrics or base fabric are intermediate base layer, attached on the upper surface of the non-woven fabrics or base fabric to be knotted the first XPE bubbles
Layer, it is attached on the upper surface of the first XPE bubble layers to be knotted the first aluminum membranous layer；In the non-woven fabrics or woven cloth material layer
It is attached on lower surface to be knotted the 2nd XPE bubble layers, it is attached on the lower surface of the 2nd XPE bubble layers to be knotted the second aluminum membranous layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820476482.1U CN208014396U (en) | 2018-04-04 | 2018-04-04 | A kind of mineral insulation shell-less flexible flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820476482.1U CN208014396U (en) | 2018-04-04 | 2018-04-04 | A kind of mineral insulation shell-less flexible flame-retardant cable |
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| Publication Number | Publication Date |
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| CN208014396U true CN208014396U (en) | 2018-10-26 |
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| CN201820476482.1U Active CN208014396U (en) | 2018-04-04 | 2018-04-04 | A kind of mineral insulation shell-less flexible flame-retardant cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108470600A (en) * | 2018-04-04 | 2018-08-31 | 江苏荣宜电缆有限公司 | A kind of mineral insulation shell-less flexible flame-retardant cable |
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2018
- 2018-04-04 CN CN201820476482.1U patent/CN208014396U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108470600A (en) * | 2018-04-04 | 2018-08-31 | 江苏荣宜电缆有限公司 | A kind of mineral insulation shell-less flexible flame-retardant cable |
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