CN206672702U - A kind of compound cold-resistant flexible cable of mineral insulation movement optical fiber - Google Patents
A kind of compound cold-resistant flexible cable of mineral insulation movement optical fiber Download PDFInfo
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- CN206672702U CN206672702U CN201720453567.3U CN201720453567U CN206672702U CN 206672702 U CN206672702 U CN 206672702U CN 201720453567 U CN201720453567 U CN 201720453567U CN 206672702 U CN206672702 U CN 206672702U
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- mineral insulation
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- optical fiber
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- cable
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Abstract
The utility model discloses a kind of compound cold-resistant flexible cable of mineral insulation movement optical fiber, including cable core, described cable core is twisted by multifiber compound wire core and a heating tape；Described optical fiber compound wire core extrudes one layer of cold-resistant rubber and plastic inner sheath by insulated wire cores, the fiber unit being twisted side by side with insulated wire cores and insulated wire cores and fiber unit and formed jointly；Alkali-free glass fibre silk is filled in the gap of cable core, wheat is wrapped with cable core to draw, the second mineral insulation is extruded outside wheat is drawn, the wrapped metal screen layer outside the second mineral insulation, the wrapped Halogen semiconducting filler band outside metal screen layer, arctic rubber layer is extruded outside Halogen semiconducting filler band, the wrapped heating tape outside arctic rubber layer, halogen-free low-smoke high-flame rubber inner sheath and polyethylene outer sheath are extruded outside heating tape, polyurethane thermal pipe is finally extruded outside polyethylene outer sheath.The utility model has the characteristics that excellent low temperature resistant, wear-resisting, UV radiation, resistance to circumnutated.
Description
Technical field
It the utility model is related to field of cables, and in particular to a kind of compound cold-resistant flexible cable of mineral insulation movement optical fiber.
Background technology
As the footprint that the mankind explore is all over the world, each corner in the world has also been stretched in the application of electric power, natural
It can't do without setting foot in the high and cold area of low temperature.Currently, most cables is only applicable in the narrow normal temperature ring of a temperature range,
In extremely frigid zones, the severe safety problem such as hardening, cracking, embrittlement occurs in these cables, will no longer be suitable in psychro-environment,
This supply of electric power for extremely frigid zones will be a very big problem.
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
Purpose of utility model：In order to overcome the deficiencies in the prior art, there is provided a kind of with excellent low temperature resistant, resistance to
Mill, UV radiation, the resistance to compound cold-resistant flexible cable of mineral insulation movement optical fiber to circumnutate.
Technical scheme：To achieve the above object, it is compound cold-resistant to provide a kind of mineral insulation movement optical fiber for the utility model
Flexible cable, including cable core, it is characterised in that：Described cable core it is twisted by multifiber compound wire core and heating tape and
Into；Described optical fiber compound wire core is by insulated wire cores, the fiber unit and insulated wire cores and light that are twisted side by side with insulated wire cores
Fine unit extrudes one layer of cold-resistant rubber and plastic inner sheath and formed jointly；Alkali-free glass fibre silk is filled in the gap of cable core, in cable core
Wheat drawing is wrapped with, extrudes the second mineral insulation outside wheat is drawn, the wrapped metal screen layer outside the second mineral insulation, in gold
Belong to wrapped Halogen semiconducting filler band outside screen layer, arctic rubber layer is extruded outside Halogen semiconducting filler band, in arctic rubber
The outer wrapped heating tape of layer, halogen-free low-smoke high-flame rubber inner sheath and polyethylene outer sheath are extruded outside heating tape, is finally existed
Polyurethane thermal pipe is extruded outside polyethylene outer sheath.
Further, described insulated wire cores are by aluminium alloy conductor, the first mineral insulation being extruded in outside aluminium alloy conductor
Layer and the wrapped polyurethane heat-insulation band outside the first mineral insulation are formed.
Further, described heating tape external power supply.
Further, the second described mineral insulation is made up of Environmental-protective fire-proof nanometer mineral insulation material.
Further, the first described mineral insulation is formed for magnesium oxide insulated material.
Compared with prior art, the beneficial effects of the utility model are：
1st, heating tape and together twisted synthesizing cable are added in cable, the compound cable core of heat tracing type is formed, companion also is provided with outside cable
The torrid zone, as long as cable by heating tape out of doors in use, access power supply, it is possible to continuously produce heat, make cable
Insulating barrier and sheath keep certain temperature so that phenomena such as cable occurs without hardening, embrittlement, ftractureed, still can free bend,
It is mobile to use, improve the service life of cable.
2nd, fiber unit is provided with the utility model core, trip temperature can be entered to power cable, transmission load is supervised in real time
Control, can be used in " 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 is also carried out to optical fiber
It effective protection, will not be extruded in processing, laying, particularly when cable run, be bound to generate heat and expand, Ke Yibao
Card has space optical fiber, and elastic material provides the space of buffering to the inside of expansion again, ensure that optical fiber will not be damaged,
Being capable of normal operation.
3rd, wheat is coated after stranding to draw, the soft glass fiber tape of central filler, make the overall more substantial, rounding of cable.
4th, provided with double-deck mineral insulation, along with halogen-free low-smoke high-flame rubber inner sheath so that cable is from inside to outside
With fire-proof insulation, multiple flameproof protection has been obtained；And formed using Environmental-protective fire-proof nanometer mineral insulation material, in rated voltage
It is lower can 2.5 times of excess load and as usual play insulating effect；Long-term service temperature scope is：- 40 degrees Celsius to 1200 degrees Celsius, shine
Often insulation；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 process, 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 exhausted of various electric wires
Edge layer.
5th, polyurethane thermal pipe is provided with using polyurethane heat-insulation band and cable outermost layer in core, inside and outside dual protects
The cold resistance of cable so that there is cable intensity height, impact resistance, the prestressing force of resistance to environmental aging to split, be corrosion-resistant, be low temperature resistant, be easy
Welding, easy construction, strictly seal ne-leakage, also with unit weight is light, intensity is high, adiabatic, sound insulation, fire-retardant, cold-resistant, anti-corrosion, no
The excellent characteristics such as water suction, simple and quick construction, in addition, polyurethane heat insulation material, adaptive temperature is+120 DEG C--196 DEG C so that
Cable, because icing causes communication signal transmissions to interrupt, causes the economic loss that can not be saved in ice and snow weather.
6th, polyurethane thermal pipe causes cable in installation is laid also than original convenience so that cable laying efficiency is significantly
Improve.
7th, this cold resistant cable can be used for cold area in north, can be widely used in electric power, machine-building, automobile and other industries
On, there is excellent low temperature resistant, wear-resisting, UV radiation, the resistance to characteristic such as circumnutate.
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 compound cold-resistant flexible cable of mineral insulation movement optical fiber, including cable
Core, described cable core are twisted by multifiber compound wire core and a heating tape 1；Described optical fiber compound wire core is by exhausted
Edge core, the fiber unit 5 being twisted side by side with insulated wire cores and insulated wire cores and fiber unit extrude one layer of cold-resistant rubber jointly
Modeling inner sheath 6 is formed；Described insulated wire cores are by aluminium alloy conductor 2, the first mineral insulation 3 being extruded in outside aluminium alloy conductor
And the wrapped polyurethane heat-insulation 4 outside the first mineral insulation is with composition.Alkali-free glass fibre is filled in the gap of cable core
Silk 7, it is wrapped with wheat in cable core and draws 8, the second mineral insulation 9 is extruded outside wheat is drawn, around gold filled outside the second mineral insulation
Belong to screen layer 10, wrapped Halogen semiconducting filler band 11, is extruded cold-resistant outside Halogen semiconducting filler band outside metal screen layer
Rubber layer 12, the wrapped heating tape 13 outside arctic rubber layer, extruded outside heating tape halogen-free low-smoke high-flame rubber inner sheath with
And polyethylene outer sheath 14, polyurethane thermal pipe 15 is finally extruded outside polyethylene outer sheath.
Described heating tape external power supply, it is possible to continuously produce heat, the insulating barrier and sheath for making cable are protected
Hold certain temperature so that cable occurs without phenomena such as hardening, embrittlement, cracking, still can free bend, it is mobile use, improve
The service life of cable.
The second described mineral insulation is that Environmental-protective fire-proof nanometer mineral insulation material is made, the first mineral insulation is oxidation
Magnesium insulating materials is formed, provided with double-deck mineral insulation, plus inorganic thermal insulation fireprotection layer so that cable has fire prevention from inside to outside
Insulating properties, multiple flameproof protection is obtained；And formed using Environmental-protective fire-proof nanometer mineral insulation material, can be super negative under rated voltage
2.5 times of lotus 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；Burnt in naked light
During erosion, 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.
The utility model concrete application approach is a lot, and described above is only preferred embodiment of the present utility model, should
Point out, for those skilled in the art, on the premise of the utility model principle is not departed from, can also make
Go out some improvement, these improvement also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of compound cold-resistant flexible cable of mineral insulation movement optical fiber, including cable core, it is characterised in that：Described cable core is by more
Root optical fiber compound wire core and a heating tape are twisted；Described optical fiber compound wire core is by insulated wire cores and insulated wire cores
Twisted fiber unit and insulated wire cores and fiber unit extrude one layer of cold-resistant rubber and plastic inner sheath and formed jointly side by side；In cable core
Gap filling alkali-free glass fibre silk, be wrapped with wheat in cable core and draw, wheat draw it is outer extrude the second mineral insulation, the
Wrapped metal screen layer outside two mineral insulations, the wrapped Halogen semiconducting filler band outside metal screen layer, in Halogen semiconductive
Arctic rubber layer is extruded outside filling tape, wrapped heating tape, extrudes halogen-free low-smoke high-flame outside heating tape outside arctic rubber layer
Rubber inner sheath and polyethylene outer sheath, finally extrude polyurethane thermal pipe outside polyethylene outer sheath.
2. the compound cold-resistant flexible cable of mineral insulation movement optical fiber according to claim 1, it is characterised in that：Described is exhausted
Edge core is by aluminium alloy conductor, the first mineral insulation being extruded in outside aluminium alloy conductor and wrapped in the first mineral insulation
Outer polyurethane heat-insulation band is formed.
3. the compound cold-resistant flexible cable of mineral insulation movement optical fiber according to claim 1, it is characterised in that：Described companion
Tropical external power supply.
4. the compound cold-resistant flexible cable of mineral insulation movement optical fiber according to claim 1, it is characterised in that：Described
Two mineral insulations are made up of Environmental-protective fire-proof nanometer mineral insulation material.
5. the compound cold-resistant flexible cable of mineral insulation movement optical fiber according to claim 2, it is characterised in that：Described
One mineral insulation is formed for magnesium oxide insulated material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720453567.3U CN206672702U (en) | 2017-04-27 | 2017-04-27 | A kind of compound cold-resistant flexible cable of mineral insulation movement optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720453567.3U CN206672702U (en) | 2017-04-27 | 2017-04-27 | A kind of compound cold-resistant flexible cable of mineral insulation movement optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206672702U true CN206672702U (en) | 2017-11-24 |
Family
ID=60370081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720453567.3U Expired - Fee Related CN206672702U (en) | 2017-04-27 | 2017-04-27 | A kind of compound cold-resistant flexible cable of mineral insulation movement optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206672702U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307914A (en) * | 2019-07-17 | 2019-10-08 | 华中科技大学 | A kind of fibre optic temperature sensor and preparation method thereof |
| CN111952004A (en) * | 2020-07-07 | 2020-11-17 | 陆则龙 | Cable protective sheath that prevents frostbite of low temperature self-heating type |
-
2017
- 2017-04-27 CN CN201720453567.3U patent/CN206672702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307914A (en) * | 2019-07-17 | 2019-10-08 | 华中科技大学 | A kind of fibre optic temperature sensor and preparation method thereof |
| CN111952004A (en) * | 2020-07-07 | 2020-11-17 | 陆则龙 | Cable protective sheath that prevents frostbite of low temperature self-heating type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 |