CN206639628U - A kind of mineral insulation aluminium sheath flexible optical fibre composite fireproof cable - Google Patents
A kind of mineral insulation aluminium sheath flexible optical fibre composite fireproof cable Download PDFInfo
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- CN206639628U CN206639628U CN201720446816.6U CN201720446816U CN206639628U CN 206639628 U CN206639628 U CN 206639628U CN 201720446816 U CN201720446816 U CN 201720446816U CN 206639628 U CN206639628 U CN 206639628U
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Abstract
The utility model discloses a kind of mineral insulation aluminium sheath flexible optical fibre composite fireproof cable, including cable core, described cable core is twisted by multifiber compound wire core, inorganic thermal insulation fireprotection layer is extruded outside cable core, the second mineral insulation is extruded outside inorganic thermal insulation fireprotection layer, inner sheath is externally provided with the second mineral insulation, the aluminium-plastic tape waterproof layer outside inner sheath, the wrapped aluminium alloy armored band outside aluminium-plastic tape waterproof layer outside inner sheath, the wrapped glass fiber tape outside aluminium alloy armored band, aluminium sheath is cased with outside glass fiber tape, separation sleeve is cased with outside aluminium sheath；Fire-proof mud is scribbled in aluminium sheath superficies and separation sleeve internal layer surface.The low cigarette of the utility model, nontoxic, Halogen, fire-retardant, electromagnetism interference；The features such as cost is low, good performance indexes.
Description
Technical field
It the utility model is related to electric wire field, and in particular to a kind of mineral insulation aluminium sheath flexible optical fibre composite fire-proof
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 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, particularly 1993 year, direct property loss caused by fire
Rise to average annual more than ten00000000 yuan.To be made 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 statistics, electrical fire account in fire 36.9%, cause
Economic loss account for 58.6%.Although anoxic, high temperature in fire, flue dust, poisonous gas are the main reason for harm are personal,
According to statistical analysis the reason for being caused 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 scene of a fire of mercilessness, it during being applied to of fireproof cable is attached most importance to
Weight, and fireproof cable in 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
The defects of, gradually quit listing in European and American developed countries, the main flow cable that flexible mineral insulation fireproof cable turns into fire protection field produces
Product.General cable metal set uses copper sheathing, and technique is complex, and efficiency is low, and cost is higher, and separation layer is passed through frequently with heated temperature
Relatively low material is spent, isolation can not be formed so that isolation material is heated by broken meeting, phenomena such as frequently resulting in cable short circuit.
With the substantial increase of China's super-pressure and high voltage power cable laying amount, the safe for operation and quality of power cable
Monitoring is more and more important, it is necessary to utilize distribution type fiber-optic measuring system（DTS）Enter trip temperature, transmission load monitors in real time, to super
High pressure and high voltage power cable realize that internal or external extraordinary temperature measuring optical cable turns into optical fiber composite high-voltage cable, i.e., so-called " intelligence
Energy cable ".Meanwhile Utilities Electric Co. has included " integration of three networks " Pilot project construction of intelligent grid, national grid is pushed in the whole nation
Power optical fiber is registered one's residence, it is desirable to realize power network end electric power and communicate " integration " power optical fiber to family photoelectric compound cable.
Utility model content
In order to overcome the deficiencies in the prior art, there is provided one kind has fire endurance high, and oil resistant is water-fast, corrosion-resistant,
Smoke amount is low, the big mineral insulation aluminium sheath flexible fire-proof cable of compressive resistance.
To achieve the above object, the utility model provides a kind of mineral insulation aluminium sheath flexible optical fibre composite fireproof cable,
Including cable core, described cable core is twisted by multifiber compound wire core, and fire-proof mud is filled in the gap of core；Outside cable core
Inorganic thermal insulation fireprotection layer is extruded, the second mineral insulation is extruded outside inorganic thermal insulation fireprotection layer, in the second mineral insulation peripheral hardware
There is inner sheath, the aluminium-plastic tape waterproof layer outside inner sheath, the wrapped aluminium alloy armour outside aluminium-plastic tape waterproof layer outside inner sheath
Fill band, wrapped glass fiber tape, is cased with aluminium sheath outside glass fiber tape outside aluminium alloy armored band, be cased with outside aluminium sheath every
From set；Fire-proof mud is scribbled in aluminium sheath superficies and separation sleeve internal layer surface.
Preferably, described optical fiber compound wire core is twisted side by side by insulated wire cores, with insulated wire cores fiber unit and
Insulated wire cores and fiber unit extrude one layer of Ceramic silicon rubber oversheath and formed jointly.
Preferably, described insulated wire cores are by pressing copper conductor, being extruded in the first mineral insulation pressed outside copper conductor
And the overlapping wrapped two-sided synthetic mica tape outside the first mineral insulation is formed.
Preferably, the second described mineral insulation is made up of Environmental-protective fire-proof nanometer mineral insulation material.
Preferably, the first described mineral insulation is made up of Environmental-protective fire-proof nanometer mineral insulation material.
Preferably, described aluminium sheath is corrugated aluminum pipe, vertical aluminium foil, closed around aluminium foil, ripple aluminium-alloy pipe, vertical alclad
One kind in goldleaf, wrapped alloy foil.
Preferably, the thickness ratio of the first described mineral insulation and the second mineral insulation is 0.5:1, the first mineral are exhausted
The thickness of edge layer is 1.5mm-2.0mm.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model is simple in construction, by metallic sheath using corrugated aluminum pipe etc., not only simplifies technique and improves effect
Rate, and product cost is declined to a great extent, by separation sleeve using expansion flame retardant coating, expanding layer foaming is solid under flame invasion and attack
Change, form thick barrier and obstructed direct injection of the flame to aluminum pipe, not only the integrality of aluminum pipe is preserved, and makes glass
Glass fiber band heating temperature is improved to less than 1100 DEG C, is improved the stability of glass fibre tape insulation so that cable is strong
Spend that high and low density, high-temperature insulation be good, good heat-insulation effect.
2nd, the utility model is provided with fiber unit, power cable can be entered trip temperature, transmission load monitor in real time, can
For " integration of three networks "；Silk thread beam surrounds the optical fiber directly dragged, and optical fiber will not be pulled off, and silk thread beam has also carried out effective guarantor to optical fiber
Shield, it will not be extruded in processing, laying, particularly when cable is run, certainly will generate heat and expand, it is ensured that have space
Optical fiber is accommodated, elastic material provides the space of buffering to the inside of expansion again, ensure that optical fiber will not be damaged, can be normal
Operation.
3rd, the utility model this product core uses Ceramic silicon rubber oversheath, nonhygroscopic, it is ensured that electric property, can
To greatly improve the duration under flame, apply inorganic mineral filling in cabling process, improve fire resistance, there is fire resisting
Performance, blaze up also nontoxic smokeless.
3rd, provided with double-deck mineral insulation, plus inorganic thermal insulation fireprotection layer so that cable has fire-proof insulation from inside to outside
Property, obtain multiple flameproof protection；And formed using Environmental-protective fire-proof nanometer mineral insulation material, can excess load under rated voltage
2.5 times and as usual play insulating effect；Long-term service temperature scope is：- 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 naked lights, do not trigger electric fire, more will not be combustion-supporting；In naked light ablation
During, not only fire retardant nonflame, and no longer release asphyxia toxic gas, there is low cigarette, nontoxic, Halogen, fire-retardant characteristic；
When bearing mechanical external force, electromagnetism interference；Cost is low, good performance indexes；It is suitable for the insulating barrier of various electric wires.
4th, double-deck mineral insulation is designed using thickness proportion so that insulating properties inside and outside cable coordinates more preferable, reaches
Optimal rank.
5th, fire-proof mud is scribbled in aluminium sheath superficies and separation sleeve internal layer surface so that cable has fire endurance
Height, oil resistant is water-fast, corrosion-resistant, and smoke amount is low, and compressive resistance is big.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, 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 the utility model has been read, art technology
Modification of the personnel to the various equivalent form of values of the present utility model falls within the application appended claims limited range.
As shown in figure 1, the utility model provides a kind of mineral insulation aluminium sheath flexible optical fibre composite fireproof cable, including cable
Core, described cable core are twisted by multifiber compound wire core, and described optical fiber compound wire core is by insulated wire cores and insulated wire
The fiber unit 1 and insulated wire cores and fiber unit that core is twisted side by side extrude one layer of structure of Ceramic silicon rubber oversheath 2 jointly
Into nonhygroscopic using Ceramic silicon rubber band, it is ensured that electric property, the duration under flame can be greatly improved, into
Apply inorganic mineral filling during cable, improve fire resistance, there is fire resistance, blaze up also nontoxic smokeless；
Then, fire-proof mud 6 is filled in the gap of core, inorganic thermal insulation fireprotection layer 7 is extruded outside cable core, is prevented in inorganic thermal insulation
The second mineral insulation 8 is extruded outside fire bed, is externally provided with inner sheath 9 in the second mineral insulation, the aluminium-plastic tape outside inner sheath
Waterproof layer 10, wrapped aluminium alloy armored band 11 outside aluminium-plastic tape waterproof layer, wrapped outside aluminium alloy armored band outside inner sheath
Glass fiber tape 12, is cased with aluminium sheath 13 outside glass fiber tape, and separation sleeve 14 is cased with outside aluminium sheath；In aluminium sheath outer layer table
Face and separation sleeve internal layer surface scribble fire-proof mud；Fire-proof mud is scribbled in aluminium sheath superficies and separation sleeve internal layer surface,
So that cable has fire endurance high, oil resistant is water-fast, corrosion-resistant, and smoke amount is low, and compressive resistance is big.
Wherein, described insulated wire cores are by pressing copper conductor 3, being extruded in the first mineral insulation 4 pressed outside copper conductor
And the overlapping wrapped two-sided synthetic mica tape 5 outside the first mineral insulation is formed, and using Ceramic silicon rubber band, is not inhaled
Tide, it is ensured that electric property, the duration under flame can be greatly improved, applies inorganic mineral filling in cabling process,
Fire resistance is improved, there is fire resistance, is blazed up also nontoxic smokeless.
The first described mineral insulation is made up of Environmental-protective fire-proof nanometer mineral insulation material, and the second mineral insulation is nanometer
Environmental-protection fireproof mineral insulation material is made so that cable has fire-proof insulation from inside to outside, has obtained duplicate protection；And use and receive
Rice environmental-protection fireproof mineral insulation material is formed, and 2.5 times of excess load and insulating effect can be played as usual under rated voltage；Long-term work
Temperature range is：- 40 degrees Celsius to 1200 degrees Celsius, insulate as usual；Under the ablation of 800-1200 degrees Celsius of naked lights, 1.5 is small
When it is interior not short-circuit, do not trigger electric fire, more will not be combustion-supporting；In naked light ablation process, not only fire retardant nonflame, and no longer release and stop up
Toxic gas is ceased, there is low cigarette, nontoxic, Halogen, fire-retardant characteristic；When bearing mechanical external force, electromagnetism interference；Cost is low,
Good performance indexes；It is suitable for the insulating barrier of various electric wires.
Described aluminium sheath be corrugated aluminum pipe, vertical aluminium foil, around aluminium foil, ripple aluminium-alloy pipe, vertical alclad Alloy Foil, around
One kind in alclad Alloy Foil, described separation sleeve are expansion flame retardant coating；New structure is simple, and corrugated aluminium is used by metallic sheath
Pipe etc., not only simplify technique and improve efficiency, and product cost is declined to a great extent, by separation sleeve using expansion fire resisting
Layer, the expanding layer foamed solidification under flame invasion and attack, forms thick barrier and has obstructed direct injection of the flame to aluminum pipe, not only aluminium
The integrality of pipe is preserved, and glass fiber tape heating temperature is improved to less than 1100 DEG C, makes glass fibre tape insulation
Stability be improved so that the high and low density of cable strength, high-temperature insulation are good, good heat-insulation effect.
The first described mineral insulation and the thickness ratio of the second mineral insulation are 0.5:1, the first mineral insulation
Thickness is 1.5mm-2.0mm.
Described above is only preferred embodiment of the present utility model, it is noted that for the ordinary skill people of this area
For member, on the premise of the utility model principle is not departed from, some 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 (8)
1. a kind of mineral insulation aluminium sheath flexible optical fibre composite fireproof cable, including cable core, it is characterised in that：Described cable core by
Multifiber compound wire core is twisted, and fire-proof mud is filled in the gap of core；Inorganic thermal insulation fireprotection layer is extruded outside cable core,
The second mineral insulation is extruded outside inorganic thermal insulation fireprotection layer, is externally provided with inner sheath in the second mineral insulation, the aluminium outside inner sheath
Plastic composite strip waterproof layer, the wrapped aluminium alloy armored band outside aluminium-plastic tape waterproof layer outside inner sheath, outside aluminium alloy armored band
Wrapped glass fiber tape, is cased with aluminium sheath outside glass fiber tape, and separation sleeve is cased with outside aluminium sheath；In aluminium sheath superficies
And separation sleeve internal layer surface scribbles fire-proof mud.
2. mineral insulation aluminium sheath flexible optical fibre composite fireproof cable according to claim 1, it is characterised in that：Described
Optical fiber compound wire core is common by insulated wire cores, the fiber unit being twisted side by side with insulated wire cores and insulated wire cores and fiber unit
One layer of Ceramic silicon rubber oversheath is extruded to form.
3. mineral insulation aluminium sheath flexible optical fibre composite fireproof cable according to claim 2, it is characterised in that：Described
Insulated wire cores are by pressing copper conductor, being extruded in and press the first mineral insulation outside copper conductor and overlapping wrapped in the first mineral
Two-sided synthetic mica tape outside insulating barrier is formed.
4. mineral insulation aluminium sheath flexible optical fibre composite fireproof cable according to claim 1, it is characterised in that：Described
Second mineral insulation is made up of Environmental-protective fire-proof nanometer mineral insulation material.
5. mineral insulation aluminium sheath flexible optical fibre composite fireproof cable according to claim 3, it is characterised in that：Described
First mineral insulation is made up of Environmental-protective fire-proof nanometer mineral insulation material.
6. mineral insulation aluminium sheath flexible optical fibre composite fireproof cable according to claim 1, it is characterised in that：Described
Aluminium sheath is corrugated aluminum pipe, vertical aluminium foil, in aluminium foil, ripple aluminium-alloy pipe, vertical alclad Alloy Foil, wrapped alloy foil
It is a kind of.
7. mineral insulation aluminium sheath flexible optical fibre composite fireproof cable according to claim 1, it is characterised in that：Described
Separation sleeve is expansion flame retardant coating.
8. mineral insulation aluminium sheath flexible optical fibre composite fireproof cable according to claim 5, it is characterised in that：Described
The thickness ratio of first mineral insulation and the second mineral insulation is 0.5:1, the thickness of the first mineral insulation is 1.5mm-
2.0mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720446816.6U CN206639628U (en) | 2017-04-26 | 2017-04-26 | A kind of mineral insulation aluminium sheath flexible optical fibre composite fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720446816.6U CN206639628U (en) | 2017-04-26 | 2017-04-26 | A kind of mineral insulation aluminium sheath flexible optical fibre composite fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206639628U true CN206639628U (en) | 2017-11-14 |
Family
ID=60246465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720446816.6U Expired - Fee Related CN206639628U (en) | 2017-04-26 | 2017-04-26 | A kind of mineral insulation aluminium sheath flexible optical fibre composite fireproof cable |
Country Status (1)
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107644707A (en) * | 2017-11-15 | 2018-01-30 | 江苏凯达电缆有限公司 | A kind of mineral insulation fire resistant cable |
| CN107731377A (en) * | 2017-11-16 | 2018-02-23 | 江苏凯达电缆有限公司 | A kind of resistance to fire-retardant computer flexible cable of the resistance to tension of mineral insulation |
| CN107767997A (en) * | 2017-12-06 | 2018-03-06 | 江苏珠影特种电缆有限公司 | A kind of mineral insulation metal shield monitoring type colliery fireproof cable |
| CN107833677A (en) * | 2017-12-06 | 2018-03-23 | 江苏珠影特种电缆有限公司 | A kind of flexible mineral insulation double shield shell-less fire proof power cable |
| CN107945932A (en) * | 2017-12-31 | 2018-04-20 | 无锡江南电缆有限公司 | Aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable |
| CN108461208A (en) * | 2018-02-13 | 2018-08-28 | 江苏荣宜电缆有限公司 | A kind of high-strength insulating power cable |
| 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 |
| CN108470599A (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 optical fibre composite fire resistance cable |
| CN109445051A (en) * | 2018-12-26 | 2019-03-08 | 通鼎互联信息股份有限公司 | A kind of high fire-retardance mouse bite preventing central tube type optical cable |
| CN110021455A (en) * | 2019-04-29 | 2019-07-16 | 浙江联创如意电缆股份有限公司 | A kind of optoelectronic composite cable |
| CN110879445A (en) * | 2019-11-15 | 2020-03-13 | 西安思后网络科技有限公司 | Ceramic-glass fiber fireproof communication optical cable |
-
2017
- 2017-04-26 CN CN201720446816.6U patent/CN206639628U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107644707A (en) * | 2017-11-15 | 2018-01-30 | 江苏凯达电缆有限公司 | A kind of mineral insulation fire resistant cable |
| CN107731377A (en) * | 2017-11-16 | 2018-02-23 | 江苏凯达电缆有限公司 | A kind of resistance to fire-retardant computer flexible cable of the resistance to tension of mineral insulation |
| CN107767997A (en) * | 2017-12-06 | 2018-03-06 | 江苏珠影特种电缆有限公司 | A kind of mineral insulation metal shield monitoring type colliery fireproof cable |
| CN107833677A (en) * | 2017-12-06 | 2018-03-23 | 江苏珠影特种电缆有限公司 | A kind of flexible mineral insulation double shield shell-less fire proof power cable |
| CN107945932A (en) * | 2017-12-31 | 2018-04-20 | 无锡江南电缆有限公司 | Aluminium core copper sheath ceramic insulation mineral oversheath flexible fire-proof cable |
| CN108461208A (en) * | 2018-02-13 | 2018-08-28 | 江苏荣宜电缆有限公司 | A kind of high-strength insulating power cable |
| 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 |
| CN108470599A (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 optical fibre composite fire resistance cable |
| CN109445051A (en) * | 2018-12-26 | 2019-03-08 | 通鼎互联信息股份有限公司 | A kind of high fire-retardance mouse bite preventing central tube type optical cable |
| CN110021455A (en) * | 2019-04-29 | 2019-07-16 | 浙江联创如意电缆股份有限公司 | A kind of optoelectronic composite cable |
| CN110879445A (en) * | 2019-11-15 | 2020-03-13 | 西安思后网络科技有限公司 | Ceramic-glass fiber fireproof communication optical cable |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |