CN206961538U - A kind of low temperature resistant high and cold cable of EMUs - Google Patents
A kind of low temperature resistant high and cold cable of EMUs Download PDFInfo
- Publication number
- CN206961538U CN206961538U CN201720623539.1U CN201720623539U CN206961538U CN 206961538 U CN206961538 U CN 206961538U CN 201720623539 U CN201720623539 U CN 201720623539U CN 206961538 U CN206961538 U CN 206961538U
- Authority
- CN
- China
- Prior art keywords
- cable
- low temperature
- cold
- temperature resistant
- resistant high
- 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.)
- Expired - Fee Related
Links
Landscapes
- Organic Insulating Materials (AREA)
Abstract
The utility model discloses a kind of low temperature resistant high and cold cable of EMUs, belong to field of cable technology.It includes some buses, low temperature resistant high and cold restrictive coating, screen layer and insulating barrier, the first filled core is filled between bus and bus, bus and the first filled core twist together and section is into circle, the periphery of bus and the first filled core is insulating barrier, the periphery of insulating barrier is screen layer, and the periphery of screen layer is low temperature resistant high and cold restrictive coating.The utility model is designed by its layer structure, strengthen resistance to mechanical intensity, sealing and the electric conductivity of cable, low temperature resistant high and cold restrictive coating has low temperature resistivity energy well simultaneously, it is adapted to subzero 50 DEG C of even lower outdoor environments, cable will not be cracked, cable good physical and mechanical properties and electric property are kept, ensures the normal operation of EMUs, and there is the advantages of simple in construction, reasonable in design, easily fabricated.
Description
Technical field
The utility model belongs to field of cable technology, more specifically to a kind of low temperature resistant high and cold cable of EMUs.
Background technology
As China's high ferro cause is fast-developing, high ferro moves towards plateau band from flat-bottomed land, pole is moved towards from normal temperature area
Cold area.Such as China has built the high ferro to Xinjiang Urumqi, the high ferro to Lhasa is built, has also been built in northeast
A plurality of high ferro circuit, Xinjiang and Tibet belong to highlands, and these areas are in subzero tens degrees Celsius throughout the year, even up to
Subzero 50 DEG C；The temperature in winter in northeast is typically at subzero 15 DEG C to subzero 30 DEG C or so, winter temperature to the north of Daxing'an Mountainrange
Up to subzero 40 DEG C, extremely indivedual areas are up to subzero 50 DEG C, therefore the control cable for being used on EMUs should be with good
Resistance to low temperature, need to be at least cracked in subzero 40 DEG C of outdoor environment, keep good physical and mechanical properties and
Electric property, ensure as EMUs transmission accurately action signal, but in view of the extremely cold weather of certain areas at present, state
Inside and outside high and cold cable low temperature resistant to EMUs proposes new requirement, it is necessary to ensure in subzero 50 DEG C of even lower outdoor environments
In be not cracked, and to keep good physical and mechanical properties and electric property.
The low temperature requirements temperature of motor-car cable is subzero 40 DEG C both at home and abroad at present, and actual motion temperature is subzero 20 DEG C~50
DEG C interval range in, the external measure taken for crossing low temperature is to using cable increase heat-insulation layer, avoiding cable direct
Impacted by low temperature, due to crossing low temperature, easily cause cable cracking, influence normal use.
In order to solve above-mentioned EMUs cable produced problem under extremely low temperature, found through retrieval, Chinese Patent Application No.
For 200810023863.5, data of publication of application is that in September, 2009 patent application document of 10 days discloses a kind of high cold-resistant polychlorostyrene
Ethene CABLE MATERIALS, it is prepared by the raw material of following parts by weight, wherein：80~100 parts of polyvinyl chloride, phthalic acid two are pungent
20~40 parts of ester, 60~80 parts of di-n-octyl sebacate, 4~8 parts of ethanedioic acid dioctyl ester, 20~40 parts of light active calcium carbonate, profit
1~3 part of lubrication prescription, 4~8 parts of Ca-Zn compound stabilizers, 1~4 part of antioxidant 1010,0.5~5 part of cold-resistant agent K175C, butyronitrile
20~50 parts of rubber, the patent can (- 50~-70 DEG C) use under extremely cold state polyvinyl chloride cable material, during use
Do not ftracture.Chinese Patent Application No. is 201620396676.1, and data of publication of application is the patent application document of on 2 8th, 2017
A kind of resistance to extremely cold control cable is disclosed, it includes the copper conductor of at least two tape insulation layers, and the insulating barrier is low temperature resistant insulation
Layer；Gap during insulated wire cores stranding is provided with using metallocene as the low temperature resistant packed layer of the polyethylene that catalyst synthesizes, after stranding
Cable core outer ring be surrounded by screen layer and low temperature resistant sheath successively, the cable can equally be installed under -80 DEG C of environment temperature apply
Can be that the research equipment used under the extremely cold environment such as Antarctica passes and if resistance to extremely tremble with fear of safe and reliable operation controls cable
Defeated accurately action signal, but the composition material of specific low temperature resistant sheath is not provided, also can not be from prior art
In learn.
Utility model content
1. to solve the problems, such as
Easily sent out into subzero 50 DEG C of even lower outdoor environments for the low temperature resistant high and cold cable application of existing EMUs
The problem of raw cracking is so as to influence cable normal use, the utility model provides a kind of low temperature resistant high and cold cable of EMUs, can
To adapt to subzero 50 DEG C of even lower outdoor environments, cable will not be cracked, and keep the good physical and mechanical properties of cable
And electric property, ensure the normal operations of EMUs.
The utility model provides a kind of production method of the low temperature resistant high and cold cable of EMUs again, is connected the step of this method
In order, by being improved to the composition of raw materials of insulating barrier and low temperature resistant high and cold restrictive coating so that the low temperature resistant high and cold electricity of EMUs
The cold performance of cable reaches optimal.
2. technical scheme
To solve the above problems, the utility model adopts the following technical scheme that.
The low temperature resistant high and cold cable of a kind of EMUs of the present utility model, including some buses, low temperature resistant high and cold restrictive coating, screen
Layer and insulating barrier are covered, the first filled core is filled between bus and bus, bus is twisted together with the first filled core and section
Into circle, the periphery of bus and the first filled core is insulating barrier, and the periphery of insulating barrier is screen layer, and the periphery of screen layer is resistance to low
The high and cold restrictive coating of temperature.
As further improvement of the utility model, the bus includes the first cable unit, the second cable unit and the
Three cable units, the number of the first cable unit is three, and the number of the second cable unit is one, of the 3rd cable unit
Number is one, and the first filled core, the first cable list are provided between the first cable unit, the second cable unit and the 3rd cable unit
Member, the second cable unit, the 3rd cable unit and the first filled core twist together into circle.
As further improvement of the utility model, first cable unit is twisted by four specification identical core a
Thin-walled screen layer a is wrapped up after into circle to form；Each core a is made up of conductor and insulating barrier, insulating barrier consistent seal conductor, absolutely
The thickness of edge layer is 0.72~1.02mm.
As further improvement of the utility model, second cable unit is twisted by four specification identical core b
Thin-walled screen layer b is wrapped up after into circle to form；Each core b is made up of conductor and insulating barrier, insulating barrier consistent seal conductor, absolutely
The thickness of edge layer is 0.18~0.31mm.
As further improvement of the utility model, the 3rd cable unit is by two specification identical core c and line
Two the second filled cores of core c both sides are twisted rounded rear parcel insulating barrier c, and insulating barrier c periphery is thin-walled screen layer c, thin
Wall screen layer c periphery is sheath.
As further improvement of the utility model, the core a of first cable unit cross-sectional area is 1.0mm2,
The core b of second cable unit cross-sectional area is 1.0mm2。
As further improvement of the utility model, the core c of the 3rd cable unit cross-sectional area is
0.75mm2。
As further improvement of the utility model, the wire is annealing tinned wird；The screen layer, thin-walled shielding
Layer a thin-walled screen layers b, thin-walled screen layer c are formed using annealing tinned wird braiding.
The production method of the low temperature resistant high and cold cable of EMUs of the present utility model, including step in detail below：1) conductor bundle
Silk：Conductor uses five classes or the tin plating annealed copper tow silk of six classes, and synnema diameter control is no more than 3.85mm；2) synnema twists
Close：Synnema conductor is twisted, stranded conductor rounding, no fracture of wire；3) insulation extrusion：Using single screw extrusion machine, steam connects
Sulphur or salt bath mode carry out insulating sulfuration, and control temperature does not exceed 200 DEG C；4) screen layer weaves：Using 36 ingot braiders
Woven, from five class tin annealed copper wires as knitted body, the angle between each litzendraht wire is 45 °；5) low temperature resistant high and cold shield
Jacket layer is extruded：Using IXPE material, cross-linking radiation is carried out after extrusion, irradiation dose is 12~14MRAD.
As further improvement of the utility model, the insulating barrier is prepared by the raw material of following parts by weight, wherein：
40~50 parts of silicon rubber, 5~10 parts of vulcanizing agent, 4~6 parts of S-50W defrosting compounds, 2~5 parts of LLDPE plastic particles；It is described low temperature resistant
High and cold restrictive coating is prepared by the raw material of following parts by weight, wherein：100~120 parts of silicon rubber, 10~15 parts of polypropylene, oxygen
Change 10~20 parts of magnesium, 5~10 parts of rice bran charcoal, 1~5 part of cold-resistant agent, 2~3 parts of vegetable oil, 2~3 parts of crosslinking agent.
As further improvement of the utility model, the vulcanizing agent is the vulcanizing agent that current routine techniques uses；It is cold-resistant
Agent is cold-resistant agent 1010；Vegetable oil is rapeseed oil；Crosslinking agent is silane crosslinker.
3. beneficial effect
Compared to prior art, the beneficial effects of the utility model are：
(1) the low temperature resistant high and cold cable of EMUs of the present utility model, is designed by its layer structure, strengthens the anti-of cable
Mechanical strength, sealing and electric conductivity, while low temperature resistant high and cold restrictive coating has low temperature resistivity energy well, is adapted to zero
Lower 50 DEG C of even lower outdoor environments, cable will not be cracked, and keep cable good physical and mechanical properties and electrical resistance
Energy, ensure the normal operation of EMUs；
(2) the low temperature resistant high and cold cable of EMUs of the present utility model, its conductor used, screen layer, thin-walled screen layer a are equal
Flexibly annealing tinned copper wire is employed, the pliability of cable is added, can effectively lift cable self-strength, meanwhile, keep away
Exempt to the control class cable signal interference of car intra-body data；
(3) the low temperature resistant high and cold cable of EMUs of the present utility model, its production technology use steam continuous and salt bath
The production of this product is realized, steam continuous has certain pressure, relatively good to the covering property of cable, and salt bath is to be placed on cable
Soaked in salt solution within 200 DEG C, contact is more abundant, vulcanizes the characteristics of fast；The temperature of silicon rubber vulcanization is within 200 DEG C, no
The right too high phenomenon that can cause crosslinking of temperature；
(4) the low temperature resistant high and cold cable of EMUs of the present utility model, the angle between each litzendraht wire is 45 °, angle of weave
To the coverage rate of braiding, shield effectiveness has considerable influence, and 45 ° are to meet that our zinc-plated annealed copper wire specifications and outside diameter of cable parameter will
Ask；
(5) the low temperature resistant high and cold cable of EMUs of the present utility model, using silicone rubber insulation material, electricity can effectively be lifted
The tolerable temperature of cable, the highest tolerable temperature of High performance polyolefin material is 120 DEG C, and silicon rubber can reach 150 DEG C, instantaneous resistance to
It can be reached 350 DEG C by temperature.Temperature rise caused by transient high-current in shutdown process can be effectively antagonized；
(6) production method of the low temperature resistant high and cold cable of EMUs of the present utility model, novel radiation crosslinked polyethylene, material
Meet requirement of European Union's EN50264 standards to sheath material, accomplish low cigarette, Halogen, fire-retardant, acidproof, alkaline-resisting, resistance to mineral oil
The requirement of fuel oil, resistance to ozone, UV resistant；
(7) the utility model is simple in construction, reasonable in design, easily fabricated, and cost is cheap.
Brief description of the drawings
The utility model is further described below with reference to specific accompanying drawing.
Fig. 1 is the structural representation of the low temperature resistant high and cold cable of the utility model EMUs.
In figure：10th, low temperature resistant high and cold restrictive coating；20th, screen layer；30th, insulating barrier；40th, the first filled core；50th, the first electricity
Cable unit；51st, core a；52nd, thin-walled screen layer a；60th, the second cable unit；61st, thin-walled screen layer b；62nd, core b；70th,
Three cable units；71st, thin-walled screen layer c；72nd, insulating barrier c；73rd, the second filled core；74th, sheath；75th, core c.
Embodiment
Accompanying drawing hereafter with reference to the detailed description of exemplary embodiment of the present utility model, the accompanying drawing forms the one of description
Part, show the enforceable exemplary embodiment of the utility model as example in the figure.Although these exemplary realities
Apply example to be described in sufficient detail to enable those skilled in the art to implement the utility model, it is to be understood that it can be realized
His embodiment and can various changes can be made to the utility model in the case where not departing from spirit and scope of the present utility model.Hereafter
Required the scope of the utility model is not limited to the more detailed description of embodiment of the present utility model, and only
It is of the present utility model to propose to perform in order to be illustrated and not limit the characteristics of to the utility model and the description of feature
Best mode, and be sufficient so that those skilled in the art and can implement the utility model.Therefore, the scope of the utility model only by
Appended claims limit.
Hereafter detailed description of the present utility model and example embodiment can be more fully understood with reference to accompanying drawing, wherein this reality
Identified with new element and feature by reference.
As shown in figure 1, the low temperature resistant high and cold cable of EMUs of the present utility model, including some buses, low temperature resistant high and cold shield
Jacket layer 10, screen layer 20 and insulating barrier 30, the first filled core 40, bus and the first filled core are filled between bus and bus
40 twist together and section is into circle, and the periphery of bus and the first filled core 40 is insulating barrier 30, and the periphery of insulating barrier 30 is
Screen layer 20, the periphery of screen layer 20 is low temperature resistant high and cold restrictive coating 10.Insulating barrier 30 by following parts by weight raw material prepare and
Into, wherein：40~50 parts of silicon rubber, 5~10 parts of vulcanizing agent, 4~6 parts of S-50W defrosting compounds, 2~5 parts of LLDPE plastic particles；
Low temperature resistant high and cold restrictive coating 10 is prepared by the raw material of following parts by weight, wherein：100~120 parts of silicon rubber, polypropylene 10~
15 parts, 10~20 parts of hydroxide, 5~10 parts of rice bran charcoal, 1~5 part of cold-resistant agent, 2~3 parts of crosslinking agent, Masterbatch 2~3
Part.
Inventor by theory analysis and it is long-term substantial amounts of experimental studies have found that, the cold tolerance of cable is primarily referred to as rubber
Keep its elastic under certain low temperature and very stable ability, depend primarily on two basic processes of high polymer：Vitrifying turns
Become and crystallize.Glass transition temperature (Tg) is the transition temperature that the molecule segment of rubber is freezed by moving to, and sub-chain motion is to pass through
What main chain singly-bound internal rotation was realized, the compliance of rubber molecular chain determines the cold resistance of rubber.Weaken Chain Flexibility or increase
The factor of intermolecular force, for example, introduce polarity side base, huge side base, crosslinking, crystallization can all raise Tg；Conversely, increase
The factor of Chain Flexibility, such as adds softening agent or can all Tg be declined by introducing flexible group.
However, inventor, when being improved to the component of insulating barrier or the component of restrictive coating, discovery obtains and ability
Expert's identical conclusion in domain：The oil resistant solvent resistance of silicon rubber is poor, limits its application field, it is necessary to improve its oil resistivity
Can, so chemical modification or physical modification need to be carried out to it, improve its deficiency again while its good characteristic is kept, so shadow
Its scope used is rung.Therefore, on this basis, inventor obtains skill of the present utility model by substantial amounts of experimental study
Art scheme.Inventor employs the raw material different from being used in background technology, such as：100~120 parts of silicon rubber, polypropylene 10
~15 parts, 10~20 parts of hydroxide, 5~10 parts of rice bran charcoal, 1~5 part of cold-resistant agent, 2~3 parts of vegetable oil, crosslinking agent 2~
3 parts, other bulky groups are introduced on silicon rubber strand by modification by copolymerization, suitable modification chain link both can adjust silicon
It the glass transition temperature of rubber, also can effectively suppress crystallization process, improve the low temperature elasticity of silicon rubber.
Inventor further analyze may the reason for be：1) general vegetable oil is undersaturated long-chain fat ester, polarity ester
And unsaturated group can mutually ask abundant reaction with rice bran biology carbon surface, and its saturation part can with rubber mix,
Trigger the coupled action between vegetable oil and rice bran charcoal, by the coupled action of vegetable oil between rice bran charcoal and rubber
Form the chemical crossbond of physics one；2) for the particle diameter distribution of rice bran charcoal in 0.01~0.05mm, inventor has found rice bran biology
Carbon surface also contains element silicon there is also many fine apertures in rice bran charcoal, accordingly, thus it is speculated that using crosslinked with silicane
It is perhaps useful that its surface conditioning agent is made in agent, and rice bran charcoal plays strengthening action to silicon rubber.
As shown in figure 1, in the low temperature resistant high and cold construction of cable of specific EMUs, bus include the first cable unit 50,
Second cable unit 60 and the 3rd cable unit 70；The number of first cable unit 50 is three, of the second cable unit 60
Number is one, and the number of the 3rd cable unit 70 is one, the first cable unit 50, the second cable unit 60 and the 3rd cable list
The first filled core 40 is provided between member 70, the first cable unit 50, the second cable unit 60, the 3rd cable unit 70 and first are filled out
Fill core 40 to twist together, the rational gradation composition that three cable units and the first filled core pass through size so that be between them
Tangent state, the cross-sectional diameter of high and cold cable reach minimum, and structure is more compact, effectively reduces the size diameter of cable,
Reduce production cost.
Wherein：First cable unit 50 wraps up thin-walled screen layer after being twisted into circle by four specification identical core a51
A52 is formed；Each core a51 is made up of conductor and insulating barrier, insulating barrier consistent seal conductor, the thickness of insulating barrier for 0.72~
1.02mm；Second cable unit 60 be twisted into by four specification identical core b62 after circle wrap up thin-walled screen layer b61 and
Into；Each core b62 is made up of conductor and insulating barrier, insulating barrier consistent seal conductor, the thickness of insulating barrier for 0.18~
0.31mm；3rd cable unit 70 is twisted by two the second filled cores 73 of two specification identical core c75 and core c75 both sides
Rounded rear parcel insulating barrier c72 is closed, insulating barrier c72 periphery is thin-walled screen layer c71, and thin-walled screen layer c71 periphery is
Sheath 74.
In embodiment of the present utility model, the core a51 of the first cable unit 50 cross-sectional area is 1.0mm2, second
The core b62 of cable unit 60 cross-sectional area is 1.0mm2；The core c75 of 3rd cable unit 70 cross-sectional area is 0.75
mm2。
Wire is tinned wird；Screen layer, thin-walled screen layer a thin-walled screen layers b, thin-walled screen layer c are using annealing plating
Tin copper wire woven forms.
Embodiment 1
The production method of the low temperature resistant high and cold cable of EMUs of the present utility model, including step in detail below：1) conductor bundle
Silk：Conductor uses five classes or the tin plating annealed copper tow silk of six classes, and synnema diameter control is in 3.85mm；2) synnema is twisted：Beam
Silk conductor is twisted, stranded conductor rounding, no fracture of wire；3) insulating barrier 30 is extruded：Using single screw extrusion machine, steam continuous or
Person's salt bath mode carries out insulating sulfuration, and it is 200 DEG C to control temperature；4) screen layer 20 weaves：Woven using 36 ingot braiders,
From five class tin annealed copper wires as knitted body, the angle between each litzendraht wire is 45 °；5) low temperature resistant high and cold restrictive coating extrusion：
Using IXPE material, cross-linking radiation, irradiation dose 12MRAD are carried out after extrusion.
Insulating barrier is prepared by the raw material of following parts by weight, wherein：50 parts of silicon rubber, 10 parts of vulcanizing agent, S-50W defrostings
6 parts of agent, 5 parts of LLDPE plastic particles；Low temperature resistant high and cold restrictive coating is prepared by the raw material of following parts by weight, wherein：Silicon rubber
120 parts, 15 parts of polypropylene, 20 parts of magnesia, 10 parts of rice bran charcoal, 10105 parts of cold-resistant agent, 3 parts of rapeseed oil, crosslinked with silicane
3 parts of agent.
Embodiment 2
The production method of the low temperature resistant high and cold cable of EMUs of the present utility model, including step in detail below：1) conductor bundle
Silk：Conductor uses five classes or the tin plating annealed copper tow silk of six classes, and synnema diameter control is in 3.85mm；2) synnema is twisted：Beam
Silk conductor is twisted, stranded conductor rounding, no fracture of wire；3) insulating barrier 30 is extruded：Using single screw extrusion machine, steam continuous or
Person's salt bath mode carries out insulating sulfuration, and it is 200 DEG C to control temperature；4) screen layer 20 weaves：Woven using 36 ingot braiders,
From five class tin annealed copper wires as knitted body, the angle between each litzendraht wire is 45 °；5) low temperature resistant high and cold restrictive coating extrusion：
Using IXPE material, cross-linking radiation, irradiation dose 12MRAD are carried out after extrusion.
Insulating barrier is prepared by the raw material of following parts by weight, wherein：40 parts of silicon rubber, 10 parts of vulcanizing agent, S-50W defrostings
4 parts of agent, 3 parts of LLDPE plastic particles；Low temperature resistant high and cold restrictive coating is prepared by the raw material of following parts by weight, wherein：Silicon rubber
100 parts, 15 parts of polypropylene, 20 parts of magnesia, 8 parts of rice bran charcoal, 10102 parts of cold-resistant agent, 2 parts of rapeseed oil, silane crosslinker 2
Part.
Embodiment 3
The production method of the low temperature resistant high and cold cable of EMUs of the present utility model, including step in detail below：1) conductor bundle
Silk：Conductor uses five classes or the tin plating annealed copper tow silk of six classes, and synnema diameter control is in 3.85mm；2) synnema is twisted：Beam
Silk conductor is twisted, stranded conductor rounding, no fracture of wire；3) insulating barrier 30 is extruded：Using single screw extrusion machine, steam continuous or
Person's salt bath mode carries out insulating sulfuration, and it is 200 DEG C to control temperature；4) screen layer 20 weaves：Woven using 36 ingot braiders,
From five class tin annealed copper wires as knitted body, the angle between each litzendraht wire is 45 °；5) low temperature resistant high and cold restrictive coating extrusion：
Using IXPE material, cross-linking radiation, irradiation dose 14MRAD are carried out after extrusion.
Insulating barrier is prepared by the raw material of following parts by weight, wherein：50 parts of silicon rubber, 8 parts of vulcanizing agent, S-50W defrostings
5 parts of agent, 3 parts of LLDPE plastic particles；Low temperature resistant high and cold restrictive coating is prepared by the raw material of following parts by weight, wherein：Silicon rubber
120 parts of glue, 10 parts of polypropylene, 20 parts of magnesia, 5 parts of rice bran charcoal, 1,010 5 parts of cold-resistant agent, 3 parts of rapeseed oil, crosslinked with silicane
3 parts of agent.
Embodiment 4
The production method of the low temperature resistant high and cold cable of EMUs of the present utility model, including step in detail below：1) conductor bundle
Silk：Conductor uses five classes or the tin plating annealed copper tow silk of six classes, and synnema diameter control is in 3.85mm；2) synnema is twisted：Beam
Silk conductor is twisted, stranded conductor rounding, no fracture of wire；3) insulating barrier 30 is extruded：Using single screw extrusion machine, steam continuous or
Person's salt bath mode carries out insulating sulfuration, and it is 200 DEG C to control temperature；4) screen layer 20 weaves：Woven using 36 ingot braiders,
From five class tin annealed copper wires as knitted body, the angle between each litzendraht wire is 45 °；5) low temperature resistant high and cold restrictive coating extrusion：
Using IXPE material, cross-linking radiation, irradiation dose 13MRAD are carried out after extrusion.
Insulating barrier is prepared by the raw material of following parts by weight, wherein：50 parts of silicon rubber, 8 parts of vulcanizing agent, S-50W defrostings
6 parts of agent, 5 parts of LLDPE plastic particles；Low temperature resistant high and cold restrictive coating is prepared by the raw material of following parts by weight, wherein：Silicon rubber
100 parts of glue, 12 parts of polypropylene, 20 parts of magnesia, 50 parts of rice bran charcoal, 1,010 2 parts of cold-resistant agent, 2 parts of rapeseed oil, crosslinkable silane
Join 2 parts of agent.
Embodiment 5
The production method of the low temperature resistant high and cold cable of EMUs of the present utility model, including step in detail below：1) conductor bundle
Silk：Conductor uses five classes or the tin plating annealed copper tow silk of six classes, and synnema diameter control is in 3.85mm；2) synnema is twisted：Beam
Silk conductor is twisted, stranded conductor rounding, no fracture of wire；3) insulating barrier 30 is extruded：Using single screw extrusion machine, steam continuous or
Person's salt bath mode carries out insulating sulfuration, and it is 200 DEG C to control temperature；4) screen layer 20 weaves：Woven using 36 ingot braiders,
From five class tin annealed copper wires as knitted body, the angle between each litzendraht wire is 45 °；5) low temperature resistant high and cold restrictive coating extrusion：
Using IXPE material, cross-linking radiation, irradiation dose 14MRAD are carried out after extrusion.
Insulating barrier is prepared by the raw material of following parts by weight, wherein：45 parts of silicon rubber, 8 parts of vulcanizing agent, S-50W defrostings
4 parts of agent, 3 parts of LLDPE plastic particles；Low temperature resistant high and cold restrictive coating is prepared by the raw material of following parts by weight, wherein：Silicon rubber
110 parts of glue, 13 parts of polypropylene, 15 parts of magnesia, 10 parts of rice bran charcoal, 1,010 5 parts of cold-resistant agent, 3 parts of rapeseed oil, crosslinkable silane
Join 3 parts of agent.
Embodiment 6
The production method of the low temperature resistant high and cold cable of EMUs of the present utility model, including step in detail below：1) conductor bundle
Silk：Conductor uses five classes or the tin plating annealed copper tow silk of six classes, and synnema diameter control is in 3.85mm；2) synnema is twisted：Beam
Silk conductor is twisted, stranded conductor rounding, no fracture of wire；3) insulating barrier 30 is extruded：Using single screw extrusion machine, steam continuous or
Person's salt bath mode carries out insulating sulfuration, and it is 200 DEG C to control temperature；4) screen layer 20 weaves：Woven using 36 ingot braiders,
From five class tin annealed copper wires as knitted body, the angle between each litzendraht wire is 45 °；5) low temperature resistant high and cold restrictive coating extrusion：
Using IXPE material, cross-linking radiation, irradiation dose 12MRAD are carried out after extrusion.
Insulating barrier is prepared by the raw material of following parts by weight, wherein：45 parts of silicon rubber, 8 parts of vulcanizing agent, S-50W defrostings
6 parts of agent, 4 parts of LLDPE plastic particles；Low temperature resistant high and cold restrictive coating is prepared by the raw material of following parts by weight, wherein：Silicon rubber
120 parts of glue, 10 parts of polypropylene, 20 parts of magnesia, 8 parts of rice bran charcoal, 1,010 4 parts of cold-resistant agent, 3 parts of rapeseed oil, crosslinked with silicane
2 parts of agent.
The low temperature resistant high and cold cable arbitrarily obtained by above example 1 to 6 complies fully with performance requirement, Ke Yishi
Subzero 50 DEG C of even lower outdoor environments are answered, cable will not be cracked, and keep the good physical and mechanical properties of cable and electricity
Gas performance, ensure the normal operation of EMUs.
Schematically the utility model and embodiments thereof are described above, this describes no restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So if this area
Those of ordinary skill enlightened by it, do not depart from the utility model create objective in the case of, without creativeness design
The frame mode similar to the technical scheme and embodiment, the scope of protection of the utility model all should be belonged to.
Claims (8)
- A kind of 1. low temperature resistant high and cold cable of EMUs, it is characterised in that including some buses, low temperature resistant high and cold restrictive coating (10), Screen layer (20) and insulating barrier (30), the first filled core (40), bus and the first filled core are filled between bus and bus (40) twist together and section is into circle, the periphery of bus and the first filled core (40) is insulating barrier (30), insulating barrier (30) Periphery be screen layer (20), the periphery of screen layer (20) is low temperature resistant high and cold restrictive coating (10).
- 2. the low temperature resistant high and cold cable of EMUs according to claim 1, it is characterised in that the bus includes the first cable Unit (50), the second cable unit (60) and the 3rd cable unit (70)；The number of first cable unit (50) be three, second The number of cable unit (60) is one, and the number of the 3rd cable unit (70) is one, the first cable unit (50), the second electricity The first filled core (40), the first cable unit (50), the second cable are provided between cable unit (60) and the 3rd cable unit (70) Unit (60), the 3rd cable unit (70) and the first filled core (40) twist together into circle.
- 3. the low temperature resistant high and cold cable of EMUs according to claim 2, it is characterised in that first cable unit (50) Parcel thin-walled screen layer a (52) is formed after being twisted into circle by four specification identical core a (51)；Each core a (51) by Conductor and insulating barrier composition, insulating barrier consistent seal conductor, the thickness of insulating barrier is 0.72~1.02mm.
- 4. the low temperature resistant high and cold cable of EMUs according to claim 3, it is characterised in that second cable unit (60) Parcel thin-walled screen layer b (61) is formed after being twisted into circle by four specification identical core b (62)；Each core b (62) by Conductor and insulating barrier composition, insulating barrier consistent seal conductor, the thickness of insulating barrier is 0.18~0.31mm.
- 5. the low temperature resistant high and cold cable of EMUs according to claim 4, it is characterised in that the 3rd cable unit (70) By the twisted rounded rear parcel of two specification identical core c (75) and two second filled cores (73) of core c (75) both sides Insulating barrier c (72), insulating barrier c (72) periphery are thin-walled screen layer c (71), and thin-walled screen layer c (71) periphery is sheath (74)。
- 6. the low temperature resistant high and cold cable of EMUs according to claim 5, it is characterised in that first cable unit (50) Core a (51) cross-sectional area be 1.0mm2, the core b (62) of the second cable unit (60) cross-sectional area is 1.0mm2。
- 7. the low temperature resistant high and cold cable of EMUs according to claim 6, it is characterised in that the 3rd cable unit (70) Core c (75) cross-sectional area be 0.75mm2。
- 8. the low temperature resistant high and cold cable of EMUs according to claim 5, it is characterised in that the conductor is tinned wird； The screen layer (20), thin-walled screen layer a (52), thin-walled screen layer b (61), thin-walled screen layer c (71) are tin plating using annealing Copper wire woven forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720623539.1U CN206961538U (en) | 2017-05-31 | 2017-05-31 | A kind of low temperature resistant high and cold cable of EMUs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720623539.1U CN206961538U (en) | 2017-05-31 | 2017-05-31 | A kind of low temperature resistant high and cold cable of EMUs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206961538U true CN206961538U (en) | 2018-02-02 |
Family
ID=61378325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720623539.1U Expired - Fee Related CN206961538U (en) | 2017-05-31 | 2017-05-31 | A kind of low temperature resistant high and cold cable of EMUs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206961538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221375A (en) * | 2017-05-31 | 2017-09-29 | 迈特诺（马鞍山）特种电缆有限公司 | A kind of low temperature resistant high and cold cable of EMUs and its production method |
-
2017
- 2017-05-31 CN CN201720623539.1U patent/CN206961538U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221375A (en) * | 2017-05-31 | 2017-09-29 | 迈特诺（马鞍山）特种电缆有限公司 | A kind of low temperature resistant high and cold cable of EMUs and its production method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103137271B (en) | Manufacture method of a kind of flexible cable for wind power generation and products thereof | |
| CN102760517A (en) | Heat-resistant instrument cable for ships and manufacturing process of heat-resistant instrument cable | |
| CN202258429U (en) | Plastic insulated and cold resistant cable | |
| CN206961538U (en) | A kind of low temperature resistant high and cold cable of EMUs | |
| CN105047265A (en) | High-voltage flexible cable for smart energy motor train unit and production technology thereof | |
| CN108665995A (en) | A kind of anti-interference type warship canon cable and preparation method thereof | |
| CN105255017A (en) | Ethylene-propylene rubber insulating material for medium voltage power cable and preparation method thereof | |
| CN201898632U (en) | Automatically-temperature-controlled heating cable | |
| CN204270715U (en) | Wind energy cable is pressed in a kind of Halogen-free flame-retardant low-temperature resistant | |
| CN204229865U (en) | Wind energy control cable | |
| CN206584762U (en) | Compound cable | |
| CN105825950A (en) | Superhigh voltage crosslinked polyethylene insulating flexible power cable and preparation method | |
| CN107221375A (en) | A kind of low temperature resistant high and cold cable of EMUs and its production method | |
| CN206741978U (en) | Nuclear power equipment is crosslinked rubber insulation radiation resistant cable with low-smoke non-halogen flame-retardant | |
| CN202339747U (en) | Polyvinyl chloride insulation sleeve shielding flexible wire (RVVP) shielding power supply control line | |
| CN201477956U (en) | Military movable control cable | |
| CN104751957A (en) | Photovoltaic cable and preparation method thereof | |
| CN201111980Y (en) | Low temperature flexibility cable special for wind power generation | |
| CN104464873A (en) | Shield cable for environment-friendly locomotive and manufacturing method thereof | |
| CN205177424U (en) | High tension cable in electric automobile car | |
| CN204946602U (en) | A kind of CRH series motor train unit standard wall heavy insulation cable | |
| CN204332520U (en) | A kind of power cable for wind power generation | |
| CN209418174U (en) | Robot electrical equipment connection pair twist environmental-protection flame-retardant fire-resisting flexible cable | |
| CN202662388U (en) | Coaxial cable | |
| CN208271640U (en) | A kind of crosslinked polyetylene insulated polyvinyl chloride boot power cable of high intensity full-shield |
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: 20180202 Termination date: 20200531 |