CN105845243A - Waterproofing railway data signal cable - Google Patents
Waterproofing railway data signal cable Download PDFInfo
- Publication number
- CN105845243A CN105845243A CN201610270632.9A CN201610270632A CN105845243A CN 105845243 A CN105845243 A CN 105845243A CN 201610270632 A CN201610270632 A CN 201610270632A CN 105845243 A CN105845243 A CN 105845243A
- Authority
- CN
- China
- Prior art keywords
- layer
- waterproofing
- cable
- sheath
- cable core
- 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.)
- Granted
Links
- 238000004078 waterproofing Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 230000000903 blocking effect Effects 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 239000004698 Polyethylene Substances 0.000 claims abstract description 6
- -1 polyethylene Polymers 0.000 claims abstract description 6
- 229920000573 polyethylene Polymers 0.000 claims abstract description 6
- 239000011152 fibreglass Substances 0.000 claims description 17
- 239000004020 conductor Substances 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 8
- 238000005253 cladding Methods 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000005187 foaming Methods 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 abstract 7
- 239000011241 protective layer Substances 0.000 abstract 5
- 238000004804 winding Methods 0.000 abstract 3
- 241001465754 Metazoa Species 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 2
- 229920000247 superabsorbent polymer Polymers 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
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004583 superabsorbent polymers (SAPs) Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Insulated Conductors (AREA)
Abstract
The present invention provides a waterproofing railway data signal cable. The waterproofing railway data signal cable comprises a cable core and a cable core protective layer which coating the outside of the cable core; the cable core comprises at least one wire set, and each wire set includes a PBT beam tube, a plurality of insulation single wires in the PBT beam tube and a wire set protective layer arranged at the outside of the PBT beam tube; the wire set protective layer includes a waterproofing glass fiber woven belt and a sheath in order from inside to outside; waterproofing yarns fill between the insulation single wires and between the insulation single wires and the PBT beam tube; and the cable core protective layer includes a PET belt winding layer, a waterproofing winding layer, a thermal-protective layer, a metal shielding layer, an inner layer, a waterproofing glass fiber woven belt winding layer, an armor layer and a polyethylene over sheath, wherein the armor layer is a corrugated pipe copper belt armor. The waterproofing railway data signal cable is reasonable in structure design and excellent in horizontal water blocking and vertical water blocking functions and in functions such as temperature resistance, moisture protection, crush resistance, bite proofing by animals and the like, and completely satisfies the requirement of the high-speed railway on the cables.
Description
Technical field
The invention belongs to field of cable technology, especially relates to a kind of waterproofing type railway digital signal electricity
Cable.
Background technology
Railway digital signal cable of the prior art, due to design defect, after cable water inlet, current meeting
Constantly spread in cable core, cause insulating resistance of cable decline, electric capacity exceed standard, conductor indium, metal level
The quality problems that corrosion etc. are serious, common railway digital signal cable water-resistance and water vapor permeability
Difference, shield effectiveness is poor, and mechanical strength is relatively low, if signal cable breaks down, the most then causes row
Car temporary parking, heavy then cause system perturbations, consequence is hardly imaginable.Therefore, to railway digital signal electricity
It is extremely urgent that cable structure carries out technological innovation.
Summary of the invention
In view of this, the invention is directed to a kind of waterproofing type railway digital signal cable, has excellent
Different block water, water resistance and shield effectiveness is good, mechanical strength is high.
For reaching above-mentioned purpose, the technical scheme of the invention is achieved in that
A kind of waterproofing type railway digital signal cable, including the cable core sheath of the outside cladding of cable core and cable core；
Described cable core at least includes a line group, in each described line group all includes PBT beam tube and PBT beam tube
Several insulated single wires and PBT beam tube outside line group sheath；Described line group sheath is the most successively
Including woven fiberglass tape and the sheath of blocking water；Between described insulated single wire and insulated single wire is with described
It is filled with water blocking yarn between PBT beam tube；Described cable core sheath includes that PET strip is wrapped the most successively
Layer, waterstop lapping layer, thermal insulation layer, metal screen layer, inner liner, the glass fibre that blocks water are compiled
Ribbon lapping layer, armor and outer protective polyethylene set.
Further, described insulated single wire by conductor and is coated on the insulating barrier outside conductor and forms.
Further, described insulating barrier is skin-bubble-skin three-layer co-extrusion physic foaming structure.
Further, described in the woven fiberglass tape that blocks water be coated on outside described PBT beam tube with vertical packet mode,
And fix with spiral bundle yarn.
Further, described metal screen layer is aluminium sheath layer, composite sheath layer or copper shield.
Further, described armor is corrugated tube copper strips armor.
Relative to prior art, the invention has the advantage that
1) cable weight is light, construction maintenance is convenient, block water, water resistance strong, shield effectiveness is good,
Mechanical strength is high, good bending property.
2) it is filled with water blocking yarn, both between insulated single wire and between insulated single wire and PBT beam tube
Water can be migrated and visibly homogeneous protection is provided, can replace again traditional greasy for preventing water as material water-proof material,
Avoiding the buffering of ointment, alleviate cable weight, construction maintenance is convenient.The glass that blocks water outside PBT beam tube
The woven fiberglass tape lapping layer that blocks water outside glass fiber woven belt and inner liner plays double protection
Effect, all have well block water, anti-tension performance, soft pliable is bent simultaneously, easy construction.
3) insulated single wire insulating barrier uses three-layer co-extruded skin-bubble-skin physical blowing structure, can improve electricity
Cable insulation resistance, reduces the sending allowance of cable, reduces the mutual capacitance of cable, thus is greatly improved electricity
The security reliability of cable.
Accompanying drawing explanation
The accompanying drawing of the part constituting the invention is used for providing being further appreciated by the invention,
The schematic description and description of the invention is used for explaining the invention, is not intended that this
The improper restriction of bright creation.In the accompanying drawings:
Fig. 1 is the structural representation of the invention.
Description of reference numerals:
1, insulated single wire；2, conductor；3, insulating barrier；4, water blocking yarn；5, PBT bundle
Pipe；6, block water woven fiberglass tape；7, layer is pricked；8, sheath；9, line group；10、
PET strip lapping layer；11, waterstop lapping layer；12, thermal insulation layer；13, metal screen layer；
14, inner liner；15, block water woven fiberglass tape lapping layer；16, armor；17, poly-second
Alkene oversheath.
Detailed description of the invention
It should be noted that in the case of not conflicting, in embodiment in the invention and embodiment
Feature can be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinally ", " horizontal stroke
To ", " on ", D score, "front", "rear", "left", "right", " vertically ", " water
Flat ", the orientation that indicates of " top ", " end ", " interior ", " outward " etc. or position relationship be based on attached
Orientation shown in figure or position relationship, be for only for ease of description the invention and simplify description, and not
Be instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that restriction to the invention.In the description of the invention, unless
Being otherwise noted, " multiple " are meant that two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited,
Term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing,
Can also be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；
Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the company of two element internals
Logical.For the ordinary skill in the art, can understand that above-mentioned term is at this by concrete condition
Concrete meaning in innovation and creation.
Describe the invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
A kind of waterproofing type railway digital signal cable, as it is shown in figure 1, include cable core and the outside cladding of cable core
Cable core sheath；Described cable core at least includes that a line group 9, each described line group 9 all include that PBT restraints
The line group sheath outside several insulated single wires 1 and PBT beam tube 5 in pipe 5 and PBT beam tube 5；
Described line group sheath includes block water woven fiberglass tape 6, bundle layer 7 and sheath 8 the most successively；
It is filled with water blocking yarn 4 between described insulated single wire and between insulated single wire and described PBT beam tube；
Described cable core sheath includes PET strip lapping layer 10, waterstop lapping layer 11, heat insulation the most successively
Layer 12, metal screen layer 13, inner liner 14, block water woven fiberglass tape lapping layer 15, armor
16 and outer protective polyethylene set 17.
Above-mentioned water blocking yarn 4 is by water-soluble high-molecular compound by vertical dry technology, such as sodium polyacrylate
Water-absorbing resin technique, is coated with super absorbent polymers matter the most uniformly, thus obtains around every one thread
Water blocking yarn not only softness but also super-strong moisture absorbing, therefore, water blocking yarn 4 can to water migrate provide visibly homogeneous
Protection, can replace again traditional greasy for preventing water as material water-proof material, it is to avoid the buffering of ointment, alleviates electricity
Cable weight, construction maintenance is convenient simultaneously.
Wherein, described insulated single wire 1 by conductor 2 and is coated on the insulating barrier 3 outside conductor 2 and forms.
Under normal circumstances, described insulating barrier 3 is skin-bubble-skin three-layer co-extrusion physic foaming structure, can be effectively improved
Insulating resistance of cable, reduces the sending allowance of cable, reduces the mutual capacitance of cable, thus is greatly improved
The security reliability of cable.
Wherein, described in the woven fiberglass tape 6 that blocks water be coated on outside described PBT beam tube with vertical packet mode,
And fix with spiral bundle yarn.It is pointed out that the woven fiberglass tape 6 that blocks water is typically with vertical dry
Technology is by water-soluble high-molecular compound, such as the reinforcement technique of absorption resin of sodium polyacrylate coating, often
Root glass fibre is coated with super absorbent polymer matter the most uniformly, and thus obtained fiberglass strand is the softest
And tough, this kind of woven fiberglass tape use vertical job contract skill disposal molding be coated on outside PBT beam tube,
Process equipment and technique are the most fairly simple, therefore, the woven fiberglass tape 6 that blocks water have well block water,
Anti-tensile is drawn, and soft pliable is bent simultaneously.
Wherein, described metal screen layer 13 is aluminium sheath layer, composite sheath layer or copper shield.Make electricity
Cable has superior shielding properties, and cable in use, is not disturbed by other extraneous factor, from
And ensure that what signal transmitted stablizes, make transmission signal undistorted, indeformable, improve the safe and reliable of cable
Property.
Wherein, described armor 16 is corrugated tube copper strips armor.Shield effectiveness is good, and copper strips consumption is little,
Production efficiency is high, low cost of manufacture.And armor has ripple struction, structural strength is high, is unlikely to deform,
Cable has higher tensile strength and bending property.
When making this cable: the insulation list of 2 or 4 different colours that will produce the most according to demand
Line 1 carries out stranded, and at its outer cladding water blocking yarn 4, uses plastic sleeve technique insulated single wire after stranded
1 outer cladding PBT beam tube 5, uses vertical bag extrusion process one layer of glass fibers that blocks water of vertical bag outside PBT beam tube
Dimension braid over braid 6, extrudes layer of polyethylene sheath or nothing blocking water according to demand outside woven fiberglass tape 6
Halogen low-smoke and flame retardant restrictive coating；Machine for making cable high-speedly is utilized to twist together the several line groups produced further according to demand
Cable core is made in conjunction, be then coated with successively outside cable core PET strip lapping layer 10, waterstop lapping layer 11,
Thermal insulation layer 12, aluminium sheath, composite sheath or copper shield, inner liner 14, block water woven fiberglass tape
Lapping layer 15, corrugated tube copper strips armor and outer protective polyethylene set.
Qualified for guaranteeing the every electricity function index of cable, in process of production, in cable core, wired group of institute must
Uniform tension in order, the scope that arranges is conductor assembly outer diameter 35～55 times of stranding twisting pitch must be kept.
The invention reasonable in design, has superior laterally blocking water and longitudinal water-blocking function,
And the function such as cable has superior heatproof, protection against the tide, resistance to compression, anti-animal tooth are stung, fully meet high-speed iron
The road requirement to cable.
The foregoing is only the preferred embodiment of the invention, not in order to limit present invention wound
Make, within all spirit in the invention and principle, any modification, equivalent substitution and improvement made
Deng, within should be included in the protection domain of the invention.
Claims (6)
1. a waterproofing type railway digital signal cable, it is characterised in that: include outside cable core and cable core
The cable core sheath of cladding；Described cable core at least includes that a line group, each described line group all include that PBT restraints
Several insulated single wires in pipe and PBT beam tube and the line group sheath outside PBT beam tube；Described line group
Sheath includes block water woven fiberglass tape and sheath the most successively；Between described insulated single wire, with
And it is filled with water blocking yarn between insulated single wire and described PBT beam tube；Described cable core sheath depends on from the inside to the outside
Secondary include PET strip lapping layer, waterstop lapping layer, thermal insulation layer, metal screen layer, liner
Layer, the woven fiberglass tape lapping layer that blocks water, armor and outer protective polyethylene set.
A kind of waterproofing type railway digital signal cable the most according to claim 1, it is characterised in that:
Described insulated single wire is by conductor and is coated on the insulating barrier outside conductor and forms.
A kind of waterproofing type railway digital signal cable the most according to claim 2, it is characterised in that:
Described insulating barrier is skin-bubble-skin three-layer co-extrusion physic foaming structure.
A kind of waterproofing type railway digital signal cable the most according to claim 1, it is characterised in that:
The described woven fiberglass tape that blocks water is coated on outside described PBT beam tube with vertical packet mode, and pricks with spiral
Yarn is fixed.
A kind of waterproofing type railway digital signal cable the most according to claim 1, it is characterised in that:
Described metal screen layer is aluminium sheath layer, composite sheath layer or copper shield.
A kind of waterproofing type railway digital signal cable the most according to claim 1, it is characterised in that:
Described armor is corrugated tube copper strips armor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610270632.9A CN105845243B (en) | 2016-04-27 | 2016-04-27 | One kind blocks water numeral signal cables for railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610270632.9A CN105845243B (en) | 2016-04-27 | 2016-04-27 | One kind blocks water numeral signal cables for railway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105845243A true CN105845243A (en) | 2016-08-10 |
| CN105845243B CN105845243B (en) | 2017-08-29 |
Family
ID=56589607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610270632.9A Active CN105845243B (en) | 2016-04-27 | 2016-04-27 | One kind blocks water numeral signal cables for railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105845243B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106876008A (en) * | 2017-02-22 | 2017-06-20 | 江苏通鼎光电科技有限公司 | A kind of inter-city rail transit cable |
| CN107464616A (en) * | 2017-09-05 | 2017-12-12 | 福建通宇电缆有限公司 | A kind of water proof fire retardant composite cable |
| CN113539563A (en) * | 2021-07-16 | 2021-10-22 | 广东汕沪电缆有限公司 | Enhanced polyvinyl chloride power cable and preparation method thereof |
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|---|---|---|---|---|
| CN1825501A (en) * | 2006-03-24 | 2006-08-30 | 江苏通鼎光电线缆集团有限公司 | Railway digital signal cable with comprehensive water-blocking function |
| CN101349789A (en) * | 2008-09-10 | 2009-01-21 | 江苏通鼎光电股份有限公司 | Central beam tube type sensing optical cable |
| CN102800398A (en) * | 2012-08-14 | 2012-11-28 | 江苏通鼎光电科技有限公司 | Copper strip welded embossing type internal shielding railway digital signal cable |
| CN104599780A (en) * | 2015-02-06 | 2015-05-06 | 江苏通鼎光电科技有限公司 | Railway digital signal cable |
| CN205582591U (en) * | 2016-04-27 | 2016-09-14 | 江苏通鼎光电科技有限公司 | Waterproofing type railway digital signal cable |
-
2016
- 2016-04-27 CN CN201610270632.9A patent/CN105845243B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1825501A (en) * | 2006-03-24 | 2006-08-30 | 江苏通鼎光电线缆集团有限公司 | Railway digital signal cable with comprehensive water-blocking function |
| CN101349789A (en) * | 2008-09-10 | 2009-01-21 | 江苏通鼎光电股份有限公司 | Central beam tube type sensing optical cable |
| CN102800398A (en) * | 2012-08-14 | 2012-11-28 | 江苏通鼎光电科技有限公司 | Copper strip welded embossing type internal shielding railway digital signal cable |
| CN104599780A (en) * | 2015-02-06 | 2015-05-06 | 江苏通鼎光电科技有限公司 | Railway digital signal cable |
| CN205582591U (en) * | 2016-04-27 | 2016-09-14 | 江苏通鼎光电科技有限公司 | Waterproofing type railway digital signal cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106876008A (en) * | 2017-02-22 | 2017-06-20 | 江苏通鼎光电科技有限公司 | A kind of inter-city rail transit cable |
| CN107464616A (en) * | 2017-09-05 | 2017-12-12 | 福建通宇电缆有限公司 | A kind of water proof fire retardant composite cable |
| CN113539563A (en) * | 2021-07-16 | 2021-10-22 | 广东汕沪电缆有限公司 | Enhanced polyvinyl chloride power cable and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105845243B (en) | 2017-08-29 |
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