CN206532614U - Middle pressure optical fiber composite cable is laid after a kind of new light unit - Google Patents
Middle pressure optical fiber composite cable is laid after a kind of new light unit Download PDFInfo
- Publication number
- CN206532614U CN206532614U CN201720096949.5U CN201720096949U CN206532614U CN 206532614 U CN206532614 U CN 206532614U CN 201720096949 U CN201720096949 U CN 201720096949U CN 206532614 U CN206532614 U CN 206532614U
- Authority
- CN
- China
- Prior art keywords
- light unit
- layer
- low smoke
- outside
- zero halogen
- 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.)
- Active
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 239000013307 optical fiber Substances 0.000 title claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 38
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 38
- 150000002367 halogens Chemical class 0.000 claims abstract description 38
- 239000000779 smoke Substances 0.000 claims abstract description 34
- 230000004888 barrier function Effects 0.000 claims abstract description 31
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 26
- 239000011707 mineral Substances 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 16
- 239000001301 oxygen Substances 0.000 claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- 239000004033 plastic Substances 0.000 claims abstract description 10
- 229920003023 plastic Polymers 0.000 claims abstract description 10
- 239000003365 glass fiber Substances 0.000 claims abstract description 9
- 238000012856 packing Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 102000029749 Microtubule Human genes 0.000 claims description 2
- 108091022875 Microtubule Proteins 0.000 claims description 2
- 210000004688 microtubule Anatomy 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 5
- 239000011521 glass Substances 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000005622 photoelectricity Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 241000270708 Testudinidae Species 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Abstract
The utility model, which is related to after a kind of new light unit, lays middle pressure optical fiber composite cable, including 3 conductors and light unit；Three-layer co-extruded insulating barrier, copper strip shielding layer and aluminum plastic composite belt longitudinal covering are sequentially provided with the outside of every conductor from inside to outside；Light unit is made up of the fibre bundle set gradually from inside to outside, hollow micro-pipe, low smoke and zero halogen sheath, the first refractory mineral separation layer, glass tape covering, low smoke and zero halogen outer jacket, and wherein fibre bundle uses air-blown installation after cable laying；The outside of 3 conductors and light unit sets low smoke and zero halogen oxygen barrier layer, the second refractory mineral separation layer, high fire-retardance belting layer and low smoke and zero halogen oversheath successively from inside to outside；Filled by glass fibre gasket for packing 3 gaps between conductor and light unit in low smoke and zero halogen oxygen barrier layer.The utility model is optimized to the composite construction of cable, greatly improves the middle fire prevention for pressing optical fiber composite cable, antidetonation, water proof, heat-proof quality, so as to ensure that the security of photoelectricity transmission circuit.
Description
Technical field
The utility model, which is related in one kind, presses optical fiber composite cable, more particularly to lays middle press polish after a kind of new light unit
Fine composite cable.
Background technology
Medium-pressure power cable is the important carrier of power transmission, is widely used in electrical power trans mission/distribution system, supply with electric energy it
With.Intelligent construction is continued to develop as trend with society, and the use of middle pressure optical fiber composite cable is also progressively popularized how
The fire resisting for solving the problems, such as pressure optical fiber composite cable in blow arc-extinguishing mode is the key of line security.
Conventional middle pressure optical fiber composite cable is typically using the wrapped fire-resistant wrapping tape outside cable core and extrudes the side of flame-retardant sheath
Formula, this structure possesses certain fire resistance, but at present in pressure optical fiber composite cable can not use fire proofing wood because of its insulating barrier
Material, can not also carry out Mica tape, its waterproof construction is typically only capable to use sheath waterproof construction, i.e., using poly- second outside conductor
The insulating barrier of alkene material plays waterproof action as sheath；And cross-linking polyethylene materials non-refractory and easily burn, it is high when meeting
Sheath easily melts or burnt when warm, therefore can not play the protective effect of fire-proof and water-proof.
The content of the invention
The utility model lays middle pressure optical fiber composite cable after providing a kind of new light unit, with reference to air-blown installation, light
Fine complex technique, and being optimized to the composite construction of cable, makes the fire prevention of middle pressure optical fiber composite cable, antidetonation, water proof, heat-insulated
Performance is greatly improved, so as to ensure that the security of photoelectricity transmission circuit.
In order to achieve the above object, the utility model is realized using following technical scheme：
Middle pressure optical fiber composite cable, including 3 conductors and light unit are laid after a kind of new light unit；On the outside of every conductor
Three-layer co-extruded insulating barrier, copper strip shielding layer and aluminum plastic composite belt longitudinal covering are sequentially provided with from inside to outside；Light unit is by from inside to outside
Fibre bundle, hollow micro-pipe, low smoke and zero halogen sheath, the first refractory mineral separation layer, glass tape covering, the low cigarette set gradually
Halogen outer jacket is constituted, and wherein fibre bundle uses air-blown installation after cable laying；The outside of 3 conductors and light unit is by introversion
Low smoke and zero halogen oxygen barrier layer, the second refractory mineral separation layer, high fire-retardance belting layer and low smoke and zero halogen oversheath are set successively outside；Low cigarette without
Filled by glass fibre gasket for packing 3 gaps between conductor and light unit in halogen oxygen barrier layer.
The hollow micro-pipe is PE micro-pipes, and hollow microtubule diameter is+4~6mm of fibre bundle external diameter.
The conductor uses stranded conductor of Equations of The Second Kind annealed copper strand wire, and its lay ratio is 12~14, and stranded conductor is tight
Circular configuration is pressed, presses coefficient >=0.92.
The three-layer co-extruded insulating barrier is conductor shield+XLPE insulating barriers+insulation screen, core shift rate ＜ 8%.
The copper strip shielding layer is overlapping wrapped by the copper strips that nominal thickness is 0.12mm, Duplication 17%~22%, copper strips
Lapping direction is left-hand.
Overlap overlap length >=6mm of the aluminum plastic composite belt longitudinal covering, lap-joint is bonded using adhesive.
Compared with prior art, the beneficial effects of the utility model are：
1) refractory mineral insulating materials newly developed as fibre bundle and cable insulating barrier (the first refractory mineral separation layer and
Second refractory mineral separation layer), the first or second refractory mineral separation layer generates the inorganic housing of ceramic-like, energy under flame ablation
Enough isolate flame, so as to play heat-insulated, fire prevention and insulating effect, substantially increase fire protecting performance；
2) in copper strip shielding layer peripheral hardware aluminum plastic composite belt longitudinal covering, it is the alloy water blocking layer with water-proof function, in electricity
Waterproof effect can be played during Water spray after cable thermometric early warning, its overlap can ensure that using adhesive bonding and block water
Performance；And water resistance of the cable in the case of impact, concussion can be met；
3) low smoke and zero halogen oxygen barrier layer is set on the outside of 3 conductors and fibre bundle, occurs hydrolysis when cable heat is burnt,
Cooling effect can be played to core, it is ensured that the integrality of crosslinking core；
4) in the outer of the first refractory mineral separation layer, glass fiber belting layer is set, in the outside of the second refractory mineral separation layer
It is intact when refractory mineral separation layer is met fire to crust, it is to avoid tortoise occur if high fire-retardance belting layer, plays and tighten protective effect
Split, phenomenon of scattering, influence isolation effect；
5) the utility model is optimized by composite and structure to cable, and security performance is greatly improved, through surveying
Examination, finished cable can bear 1050 DEG C of flame temperature, and fire duration passed through national standard and Britain's BS standards regulation more than 6 hours
Burn test conditions requirement, fully meet the requirement of fireproof cable code of building design.
Brief description of the drawings
Fig. 1 is the structural representation that middle pressure optical fiber composite cable is laid after a kind of new light unit described in the utility model.
Fig. 2 is Fig. 1 partial enlarged drawing.(light unit and its external protection structure)
Fig. 3 is that middle pressure optical fiber composite cable combination process flow is laid after a kind of new light unit described in the utility model
Figure.
In figure：1. the three-layer co-extruded copper strip shielding of the insulating barrier 3. layer glass fibers of 4. aluminum plastic composite belt longitudinal covering 5. of conductor 2.
Tie up the hollow glass fiber of 8. 9. first refractory mineral separation layer of low smoke and zero halogen sheath of micro-pipe 10. of 6. fibre bundle of gasket for packing 7.
The high fire-retardance bag of 12. 13. second refractory mineral separation layer of low smoke and zero halogen oxygen barrier layer of band 11. low smoke and zero halogen outer jacket of covering 14.
The low smoke and zero halogen oversheath of belt 15.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As shown in Figure 1 and Figure 2, middle pressure optical fiber composite cable is laid after a kind of new light unit described in the utility model, including
3 conductors 1 and light unit；The every outside of conductor 1 is sequentially provided with three-layer co-extruded insulating barrier 2, copper strip shielding layer 3 and aluminium from inside to outside
Plastic composite strip indulges covering 4；Light unit by the fibre bundle 6 set gradually from inside to outside, hollow micro-pipe 7, low smoke and zero halogen sheath 8,
First refractory mineral separation layer 9, glass tape covering 10, low smoke and zero halogen outer jacket 11 are constituted, and wherein fibre bundle 6 is in cable laying
Air-blown installation is used afterwards；The outside of 3 conductors 1 and light unit sets low smoke and zero halogen oxygen barrier layer 12, the second fire resisting successively from inside to outside
Mineral separation layer 13, high fire-retardance belting layer 14 and low smoke and zero halogen oversheath 15；3 conductors 1 in low smoke and zero halogen oxygen barrier layer 12 with
Filled by glass fibre gasket for packing 5 gap between light unit.
The first refractory mineral separation layer 9 and the second refractory mineral separation layer 13 are by following component ratio group by weight
Into：
The hollow micro-pipe 7 is PE micro-pipes, and the hollow internal diameter of micro-pipe 7 is+4~6mm of external diameter of fibre bundle 6.
The conductor 1 uses Equations of The Second Kind stranded conductor of annealed copper strand wire, and its lay ratio is 12~14, and stranded conductor is tight
Circular configuration is pressed, presses coefficient >=0.92.
The three-layer co-extruded insulating barrier 2 is conductor shield+XLPE insulating barriers+insulation screen, core shift rate ＜ 8%.
The copper strip shielding layer 3 is overlapping wrapped by the copper strips that nominal thickness is 0.12mm, Duplication 17%~22%, copper strips
Lapping direction is left-hand.
Overlap overlap length >=6mm of the aluminum plastic composite belt longitudinal covering 4, lap-joint is bonded using adhesive.
Following examples are implemented lower premised on technical solutions of the utility model, give detailed embodiment
With specific operating process, but protection domain of the present utility model is not limited to following embodiments.Side used in following embodiments
Method is conventional method unless otherwise instructed.
【Embodiment】
In the present embodiment, the first refractory mineral separation layer 9 and the second refractory mineral separation layer 13 are pressed by following component
Weight ratio is constituted：
The low smoke and zero halogen oxygen barrier layer 12 is made up of following components ratio by weight：
As shown in figure 3, laying the compound work of middle pressure optical fiber composite cable after a kind of new light unit described in the utility model
Skill flow is as follows：
The manufacturing process of conductor 1 and its external protection：Conductor material closes through wire drawing, twisted wire and stranded conductor is made, to ensure
The flatness of interfacial dielectric layer, using with pressing the stranded conductor of circular configuration, and presses coefficient more than 0.92, it is ensured that lead
Compactness between the surface quality and monofilament of body 1；Three-layer co-extruded insulating barrier 2 is extruded outside stranded conductor, is crosslinked and produced using NOKIA
The supporting Xi Kela derivometers of line, it is ensured that three-decker size Control precision and core shift degree, it is ensured that core shift rate ＜ 8%；At three layers altogether
The peripheral hardware copper strip shielding layer 3 of insulating barrier 2 is squeezed, it is overlapping wrapped using 0.12mm nominal thickness copper strips, Duplication 17%~22% is controlled,
Copper strips lapping direction is left-hand, and emphasis considers the tension force and wrapping angle of Concentric lapping head during shielding.Consider electricity
Cable triggers early warning system after meeting fire burning, may be put out a fire using Water spray, therefore in outer one layer of the longitudinal direction cladding of copper strip shielding layer 3
Aluminum plastic composite belt longitudinal covering 4, its longitudinal overlapping portions carry out adhesion with adhesive, it is ensured that block-water performance, the overlapping portion of lap-joint
Divide and be not less than 6mm.
The external protection manufacturing process of fibre bundle 6 in light unit：Extrude low smoke and zero halogen sheath 8 outside hollow micro-pipe 7, low cigarette without
Absciss layer 9 in the first refractory mineral is extruded outside halogen sheath 8, then wrapped glass tape covering 10 on the outside of it, is finally extruded low
Cigarette Halogen outer jacket 11.Wherein low smoke and zero halogen sheath 8 and low smoke and zero halogen outer jacket 11 are using conventional low smoke and zero halogen sheath material
Material makes.Wrapped glass tape covering 10, can play and tighten protective effect, make first outside the first refractory mineral separation layer 9
Refractory mineral separation layer 9 can be with intact crust, it is to avoid cracking, phenomenon of scattering occur.
Special active pay-off equipment is used during light unit stranding, power wire core avris position is placed in, it is common with power wire core
Compound, equipment tension force and laying up pitch control are CCPs.
By make 3 conductors 1 with external protection and fibre bundle external protection (being free of fibre bundle 6), bunchy is set side by side
Put, wrapped low smoke and zero halogen oxygen barrier layer 12 on the outside of it extrudes the second refractory mineral separation layer 13 outside low smoke and zero halogen oxygen barrier layer 12,
Further around bag high fire-retardance belting layer 14, outermost extrudes low smoke and zero halogen oversheath 15 and carries out Global Macros；Then low smoke and zero halogen every
Filled using glass fibre gasket for packing 5 gap between 3 conductors 1 and light unit in oxygen layer 12.Low smoke and zero halogen oxygen barrier layer
12 are located at outer layer of cable core, when fire occurs for cable, and heat is to inside cable after the second refractory mineral separation layer 13 isolation flame
Extension, the heat of low smoke and zero halogen oxygen barrier layer 12 plays fire-retardant, hydrolysis cooling effect, and its component prescription takes into account fire resistance and water simultaneously
Solve adequacy, it is ensured that fire resisting combination property.
Fibre bundle 6 promotes fibre bundle 6 in the hollow micro-pipe 7 of row using system of laying after air-sweeping type using mechanically-propelled device,
Powerful air-flow is set to be sent into pipeline by the gas-tight silo of air-blowing machine using air compressor simultaneously, swiftly flowing air-flow makes optical fiber
Beam 6 is pulled in suspended state and in vain in place in hollow micro-pipe 7.When laying, the end of fibre bundle 6 does not stress, after the completion of laying
Fibre bundle 6 is loosely rested in hollow micro-pipe 7, and the tension for contributing to the service life of extension cable and increasing fibre bundle 6 is strong
Degree, is safest cabling mode so far.
After tested, finished cable can bear 1050 DEG C of flame temperature, and fire duration was more than 6 hours.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. middle pressure optical fiber composite cable is laid after a kind of new light unit, it is characterised in that including 3 conductors and light unit；Often
Three-layer co-extruded insulating barrier, copper strip shielding layer and aluminum plastic composite belt longitudinal covering are sequentially provided with the outside of root conductor from inside to outside；Light unit
By the fibre bundle set gradually from inside to outside, hollow micro-pipe, low smoke and zero halogen sheath, the first refractory mineral separation layer, glass fiber
Band covering, low smoke and zero halogen outer jacket are constituted, and wherein fibre bundle uses air-blown installation after cable laying；3 conductors and light unit
Outside set low smoke and zero halogen oxygen barrier layer, the second refractory mineral separation layer, high fire-retardance belting layer and low smoke and zero halogen successively from inside to outside
Oversheath；Filled by glass fibre gasket for packing 3 gaps between conductor and light unit in low smoke and zero halogen oxygen barrier layer.
2. lay middle pressure optical fiber composite cable after a kind of new light unit according to claim 1, it is characterised in that described
Hollow micro-pipe is PE micro-pipes, and hollow microtubule diameter is+4~6mm of fibre bundle external diameter.
3. lay middle pressure optical fiber composite cable after a kind of new light unit according to claim 1, it is characterised in that described
Conductor uses stranded conductor of Equations of The Second Kind annealed copper strand wire, and its lay ratio is 12~14, and stranded conductor is presses circular configuration, tightly
Press coefficient >=0.92.
4. lay middle pressure optical fiber composite cable after a kind of new light unit according to claim 1, it is characterised in that described
Three-layer co-extruded insulating barrier is conductor shield+XLPE insulating barriers+insulation screen, core shift rate ＜ 8%.
5. lay middle pressure optical fiber composite cable after a kind of new light unit according to claim 1, it is characterised in that described
Copper strip shielding layer is overlapping wrapped by the copper strips that nominal thickness is 0.12mm, Duplication 17%~22%, and copper strips lapping direction is a left side
To.
6. lay middle pressure optical fiber composite cable after a kind of new light unit according to claim 1, it is characterised in that described
Overlap overlap length >=6mm of aluminum plastic composite belt longitudinal covering, lap-joint is bonded using adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720096949.5U CN206532614U (en) | 2017-01-25 | 2017-01-25 | Middle pressure optical fiber composite cable is laid after a kind of new light unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720096949.5U CN206532614U (en) | 2017-01-25 | 2017-01-25 | Middle pressure optical fiber composite cable is laid after a kind of new light unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206532614U true CN206532614U (en) | 2017-09-29 |
Family
ID=59921058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720096949.5U Active CN206532614U (en) | 2017-01-25 | 2017-01-25 | Middle pressure optical fiber composite cable is laid after a kind of new light unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206532614U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831599A (en) * | 2018-06-21 | 2018-11-16 | 安徽意力电缆有限公司 | A kind of rail traffic composite cable |
| CN109524172A (en) * | 2018-11-02 | 2019-03-26 | 江苏亨通电力电缆有限公司 | The manufacturing process of fireproof cable is pressed in intelligent early-warning communication use |
-
2017
- 2017-01-25 CN CN201720096949.5U patent/CN206532614U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831599A (en) * | 2018-06-21 | 2018-11-16 | 安徽意力电缆有限公司 | A kind of rail traffic composite cable |
| CN109524172A (en) * | 2018-11-02 | 2019-03-26 | 江苏亨通电力电缆有限公司 | The manufacturing process of fireproof cable is pressed in intelligent early-warning communication use |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102842376B (en) | High-temperature fire-resistant insulated cable for ships and warships | |
| CN105405524B (en) | A kind of fire resisting optical fiber composite medium-pressure cable and its manufacture craft | |
| CN107833690A (en) | Multicore cable and its manufacture method are pressed in environment-friendly type fire resisting | |
| CN201611593U (en) | Mining power cable | |
| CN102568691A (en) | Environment-friendly mid-voltage fire resistant cable | |
| CN104464911A (en) | Low smoke halogen-free flame-retardant fireproof medium-voltage flexible cable | |
| CN206532614U (en) | Middle pressure optical fiber composite cable is laid after a kind of new light unit | |
| CN207731716U (en) | A kind of high practicability fireproof cable | |
| CN112908545A (en) | High-strength flexible fireproof and fire-resistant cable and manufacturing method thereof | |
| CN203573724U (en) | Not-great-than-35kV novel environment-friendly middling voltage fireproof cable | |
| CN208622457U (en) | A kind of subway fire prevention signal cable | |
| CN206432051U (en) | A kind of fireproof cable with split-phase alibate | |
| CN209947499U (en) | High-flame-retardant low-release B1 cable with oxygen-isolating layer structure | |
| CN106653173A (en) | Novel middle-voltage optical fiber composite cable laid behind optical unit | |
| CN205177474U (en) | Fire -resistant power cable of cross -linked insulation | |
| CN106024166A (en) | Flexible mineral insulation fireproof cable | |
| CN214897764U (en) | High-strength flexible fireproof and fire-resistant cable | |
| CN206322516U (en) | A kind of heat-insulated, fire insulation type high fire-retardance mineral insulation fire-resisting cable | |
| RU104371U1 (en) | MOUNTING CABLE, PREVIOUSLY EXPLOSION AND FIRE SAFETY, INCLUDING FOR EXTREMELY SAFE CHAINS (OPTIONS) | |
| CN211427899U (en) | A novel fire prevention shielded cable for electron field | |
| CN210403300U (en) | Corrosion-resistant tensile fireproof power cable | |
| CN209461198U (en) | Intelligent early-warning mineral insulating flexible fireproof cable | |
| CN206532645U (en) | Low pressure optical fiber composite cable is laid after a kind of new light unit | |
| CN111667944A (en) | Water-blocking fireproof special cable | |
| CN217280201U (en) | Medium voltage cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |