CN109585073A - A kind of new-energy automobile high temperature high voltage resistant surpasses flexible cable - Google Patents
A kind of new-energy automobile high temperature high voltage resistant surpasses flexible cable Download PDFInfo
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- CN109585073A CN109585073A CN201811300959.1A CN201811300959A CN109585073A CN 109585073 A CN109585073 A CN 109585073A CN 201811300959 A CN201811300959 A CN 201811300959A CN 109585073 A CN109585073 A CN 109585073A
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- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1865—Sheaths comprising braided non-metallic layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
- H01B3/421—Polyesters
-
- 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
- H01B7/0258—Disposition of insulation comprising one or more longitudinal lapped layers of insulation
-
- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/24—Devices affording localised protection against mechanical force or pressure
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- Spectroscopy & Molecular Physics (AREA)
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A kind of new-energy automobile high temperature high voltage resistant surpasses flexible cable, including center conductor, special high temperature-resistant High tear resistance silicon rubber insulating layer, polyester layer, woven shield, foil shielding layer, special high temperature-resistant High tear resistance silicon rubber restrictive coating and the external braid set gradually from inside to outside；Center conductor is to be formed by annealed Al-alloy stranded conductor by intersecting regular be twisted；The raw material of special high temperature-resistant High tear resistance silicon rubber comprises the following components in parts by weight: 45 ~ 65 parts of methyl vinyl silicone rubber；3 ~ 5 parts of vinyl silicone oil；5 ~ 10 parts of styrylmethyl silicon rubber；2.5 ~ 6 parts of fire retardant；1.5 ~ 5 parts of fireproof agent；1.5 ~ 3 parts of white carbon black；5 ~ 8 parts of filler.The present invention can meet the requirement to work under 200 DEG C of high temperature for a long time, improve the heat resistance, bending property and safety in operation of cable, meet many technical requirements of products application.
Description
Technical field
The present invention relates to the technical fields of automobile cable structure, and in particular to a kind of new-energy automobile is super with high temperature high voltage resistant
Flexible cable.
Background technique
New-energy automobile, such as pure electric automobile, hybrid vehicle, the insulating layer of interior high-voltage power cable and
Restrictive coating mostly uses rated temperature for 125 DEG C of material.But in practical applications, when new-energy automobile load running,
When vehicle launch, braking, acceleration and deceleration, change dramatically, short time can occur for operating voltage, electric current and the frequency of vehicle
The temperature of interior generation is very big, and the material of conventional temperature resistant grade is no longer satisfied requirement, it is therefore desirable to higher temperature etc.
The cable material of grade (such as 200 DEG C), and it is required to meet the long-term curved application requirement of height.
Currently, practical the biggest factor for restricting new-energy automobile development be using safety, especially new-energy automobile
Problem on fire, be one of the principal element for hindering new-energy automobile large-scale promotion, but in existing cable, there is no can
The private cable of new-energy automobile characteristic is adapted to, therefore above-mentioned security risk still remains.
Therefore, above-mentioned the shortcomings of the prior art how is solved, is become as the project of the invention to be researched and solved.
Summary of the invention
It is an object of the present invention to provide a kind of new-energy automobile high temperature high voltage resistants to surpass flexible cable.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of new-energy automobile high temperature high voltage resistant surpasses flexible cable, including center conductor, special high temperature-resistant High tear resistance silicon rubber
Insulating layer, polyester layer, woven shield, foil shielding layer, special high temperature-resistant High tear resistance silicon rubber restrictive coating and outer braid
Layer；
The center conductor is to be formed by annealed Al-alloy stranded conductor by intersecting regular be twisted；
The periphery of the center conductor is closely coated with the special high temperature-resistant High tear resistance silicon rubber insulating layer, the special high temperature-resistant
The periphery of High tear resistance silicon rubber insulating layer is closely coated with the polyester layer, and the periphery of the polyester layer is closely coated with by naked
The woven shield that copper wire or tinned copper wire are formed, the periphery of the woven shield is closely coated with the aluminum foil shielded
Layer, the periphery of the foil shielding layer is closely coated with the special high temperature-resistant High tear resistance silicon rubber restrictive coating, the special high temperature-resistant
The periphery of High tear resistance silicon rubber restrictive coating is then closely coated with the external braid；
The special high temperature-resistant High tear resistance silicon rubber insulating layer and the special high temperature-resistant High tear resistance silicon rubber restrictive coating by
Special high temperature-resistant High tear resistance silicon rubber is made；
The raw material of the special high temperature-resistant High tear resistance silicon rubber comprises the following components in parts by weight:
45 ~ 65 parts of methyl vinyl silicone rubber；
3 ~ 5 parts of vinyl silicone oil；
5 ~ 10 parts of styrylmethyl silicon rubber；
2.5 ~ 6 parts of fire retardant；
1.5 ~ 5 parts of fireproof agent；
1.5 ~ 3 parts of white carbon black；
5 ~ 8 parts of filler.
Related content in above-mentioned technical proposal is explained as follows:
1, in above scheme, the raw material components of the special high temperature-resistant High tear resistance silicon rubber further include:
2 ~ 3 parts of zinc stearate；
2 ~ 3 parts of silica；
2 ~ 3 parts of zinc stearate；
The filler is silica.
2, in above scheme, platinum vulcanizing agent, the platinum are added in the raw material of the special high temperature-resistant High tear resistance silicon rubber
The raw material of golden vulcanizing agent comprises the following components in parts by weight:
0.5 ~ 5 part of methyl silicone rubber；
8 ~ 33 parts of methyl vinyl silicone rubber；
3.5 ~ 15 parts of silane coupling agent；
0.000005 ~ 0.00005 part of platinum complex salt.
3, in above scheme, the platinum vulcanizing agent is made of component A platinum vulcanizing agent and B component platinum vulcanizing agent；Its
In,
The component A platinum vulcanizing agent comprises the following components in parts by weight:
0.000005 ~ 0.00005 part of platinum complex salt；
0.5 ~ 5 part of methyl silicone rubber；
3 ~ 10 parts of methyl vinyl silicone rubber；
8 ~ 20 parts of remaining filler；
The B component platinum vulcanizing agent comprises the following components in parts by weight:
5 ~ 23 parts of methyl vinyl silicone rubber；
3.5 ~ 15 parts of silane coupling agent；
5 ~ 15 parts of remaining filler.
Also, the addition of component A platinum vulcanizing agent is than being the 0.3% ~ 2% of special high temperature-resistant silicone rubber material weight, B component
The addition of platinum vulcanizing agent is than being the 0.6% ~ 3.5% of special high temperature-resistant silicone rubber material weight.
4, in above scheme, the component of the component A platinum vulcanizing agent further include:
Silica 1 ~ 2.5 part；
0.5 ~ 2 part of zinc stearate；
The filler of the component A platinum vulcanizing agent is the silica；
The component of the B component platinum vulcanizing agent further include:
2.5 ~ 8 parts of methyl silicone rubber；
The filler of the B component platinum vulcanizing agent is the methyl silicone rubber.
5, in above scheme, the component A platinum vulcanizing agent and the B component platinum vulcanizing agent order of addition are as follows:
The B component platinum vulcanizing agent is first added in the raw material of the special high temperature-resistant silicon rubber, 3 ~ 5 are kneaded in rubber mixing machine
Minute, the component A platinum vulcanizing agent is added after mixing well, and continue to be kneaded at least 1 minute；
In entire adding procedure, temperature is maintained at 5 ~ 40 DEG C in the roller of the rubber mixing machine.
6, in above scheme, the foil shielding layer uses plastic-aluminum combined carrying material, the inner surface of the foil shielding layer
Exposed and fitting is coated on the periphery of the woven shield；
The count of the woven shield is 80% ~ 90%.
7, in above scheme, the center conductor is aluminium alloy conductor, and the raw material of the aluminium alloy conductor includes following heavy
Measure the component of part:
100 parts of aluminium；
0.4 ~ 0.6 part of iron；
0.06 ~ 0.08 part of silicon；
0.3 ~ 0.5 part of copper；
0.02 ~ 0.03 part of magnesium；
Other 0.3 part.
Suitable copper component can guarantee that finished product creep-resistant property is good, and suitable magnesium elements component can ensure that product
Intensity and elongation are good；Other components include zinc, boron etc..
8, the high anti-tear silicon rubber of special high temperature-resistant in above scheme, in the special high temperature-resistant High tear resistance silicon rubber restrictive coating
Collagen material further includes the component of following parts by weight:
2 ~ 5 parts of release agent；
3 ~ 5 parts of defrosting compound；
1 ~ 3 part of color.
Component designs whereby, adds after platinum vulcanizing agent, it is ensured that cable has a characteristic of highly-flexible, and when use is easy
In installation, at the same cable can resistance to+200 DEG C of high temperature, -60 DEG C of low temperature, and there is excellent tear resistance and resistance to ozone, resistance to
The characteristics such as oil, high-low temperature resistant, environmental protection.
9, in above scheme, the polyester layer is made of polyurethane；
The raw material of the polyurethane comprises the following components in parts by weight:
20 ~ 30 parts of TDI-100；
10 ~ 20 parts of TDI-80；
10 ~ 20 parts of TDI-65；
40 ~ 50 parts of terminal hydroxy group compound.
TDI-100 is the 2,4 toluene diisocyanate containing 100%；TDI-80 is the 2,4- toluene diisocynate containing 80%
Ester, 20% 2,6- toluene di-isocyanate(TDI)；TDI-65 is 2, the 4- toluene di-isocyanate(TDI) containing 65%, 35% 2,6- toluene two
Isocyanates；
Whereby formula design, the polyester layer can bring effect be higher mechanical strength and oxidation stability；Have
Higher flexibility and resilience；There is excellent oil resistivity, solvent resistance, water resistance and fire resistance simultaneously.
10, in above scheme, the external braid is woven using flame-resistant terylene silk material matter, and outer surface is coated with silicone resin
Coating.
The twisted wire annealing of the center conductor uses pot annealing, and the DIE Temperature annealed is controlled at 340 ~ 360 °C；Institute
The resistivity for stating center conductor is 61.5% or more of copper, and intensity is 110 ~ 142Mpa, and elongation is greater than 25%.
The working principle of the invention and advantage are as follows:
Compared to existing technologies, the present invention is by using special high temperature-resistant High tear resistance silicon rubber elastomer, polyurethane material etc.
High temperature resistant material can make cable meet the requirement to work under 200 DEG C of high temperature for a long time, than conventional 125 DEG C and 150 DEG C heatproofs etc.
The cable heatproof of grade is higher；And the outer insulation diameter of cable is reduced, bending radius becomes smaller, and winds due to using polyester belt to insulation
Layer is protected, and is had impression or puncture when can prevent woven shield from covering and is caused the destruction of insulating layer, it greatly improves
Heat resistance, bending property and the safety in operation of cable meet many technical requirements of products application.
Detailed description of the invention
Attached drawing 1 is the schematic diagram of the section structure of the embodiment of the present invention.
In the figures above: 1, center conductor；2, special high temperature-resistant High tear resistance silicon rubber insulating layer；3, polyester layer；4, it compiles
Knit shielded layer；5, foil shielding layer；6, special high temperature-resistant High tear resistance silicon rubber restrictive coating；7, external braid.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments:
Embodiment: as shown in Figure 1, a kind of new-energy automobile high temperature high voltage resistant surpasses flexible cable, including center conductor 1, special type
High temperature resistant High tear resistance silicon rubber insulating layer 2, polyester layer 3, woven shield 4, foil shielding layer 5, special high temperature-resistant height are anti-tear
Silicone rubber jacket layer 6 and external braid 7.
The center conductor 1 by using ultrafine aluminum alloy silk multiple-unit fine pith conductor by intersecting regular twisted formed
Annealed Al-alloy stranded conductor；
The periphery of the center conductor 1 is closely coated with the special high temperature-resistant High tear resistance silicon rubber insulating layer 2, the resistance to height of the special type
The periphery of warm High tear resistance silicon rubber insulating layer 2 is closely coated with the polyester layer 3, and the periphery of the polyester layer 3 closely coats
There is the woven shield 4 formed by bare copper wire or tinned copper wire, the periphery of the woven shield 4 is closely coated with the aluminium
Foil shielded layer 5, the periphery of the foil shielding layer 5 are closely coated with the special high temperature-resistant High tear resistance silicon rubber restrictive coating 6, the spy
The periphery of kind high temperature resistant High tear resistance silicon rubber restrictive coating 6 is then closely coated with the external braid 7；
Double layer screen can achieve 100% shield effectiveness, can play and effectively prevent cable when transmitting electric current in complicated circuit to week
Edge equipment electric appliance generates electromagnetic interference, and can prevent by external electromagnetic interference.
The special high temperature-resistant High tear resistance silicon rubber insulating layer 2 and the special high temperature-resistant High tear resistance silicon rubber restrictive coating
6 are made of special high temperature-resistant High tear resistance silicon rubber；
The raw material of the special high temperature-resistant High tear resistance silicon rubber comprises the following components in parts by weight:
45 ~ 65 parts of methyl vinyl silicone rubber；
3 ~ 5 parts of vinyl silicone oil；
5 ~ 10 parts of styrylmethyl silicon rubber；
2.5 ~ 6 parts of fire retardant；
1.5 ~ 5 parts of fireproof agent；
1.5 ~ 3 parts of white carbon black；
5 ~ 8 parts of filler.
The raw material components of the special high temperature-resistant High tear resistance silicon rubber further include:
2 ~ 3 parts of zinc stearate；
2 ~ 3 parts of silica；
2 ~ 3 parts of zinc stearate；
The filler is silica.
Wherein, platinum vulcanizing agent, the platinum vulcanizing agent are added in the raw material of the special high temperature-resistant High tear resistance silicon rubber
Raw material comprise the following components in parts by weight:
0.5 ~ 5 part of methyl silicone rubber；
8 ~ 33 parts of methyl vinyl silicone rubber；
3.5 ~ 15 parts of silane coupling agent；
0.000005 ~ 0.00005 part of platinum complex salt.
The platinum vulcanizing agent is made of component A platinum vulcanizing agent and B component platinum vulcanizing agent；Wherein,
The component A platinum vulcanizing agent comprises the following components in parts by weight:
0.000005 ~ 0.00005 part of platinum complex salt；
0.5 ~ 5 part of methyl silicone rubber；
3 ~ 10 parts of methyl vinyl silicone rubber；
8 ~ 20 parts of remaining filler；
The B component platinum vulcanizing agent comprises the following components in parts by weight:
5 ~ 23 parts of methyl vinyl silicone rubber；
3.5 ~ 15 parts of silane coupling agent；
5 ~ 15 parts of remaining filler.
Also, the addition of component A platinum vulcanizing agent is than being the 0.3% ~ 2% of special high temperature-resistant silicone rubber material weight, B component
The addition of platinum vulcanizing agent is than being the 0.6% ~ 3.5% of special high temperature-resistant silicone rubber material weight.
Wherein, the component of the component A platinum vulcanizing agent further include:
Silica 1 ~ 2.5 part；
0.5 ~ 2 part of zinc stearate；
The filler of the component A platinum vulcanizing agent is the silica；
The component of the B component platinum vulcanizing agent further include:
2.5 ~ 8 parts of methyl silicone rubber；
The filler of the B component platinum vulcanizing agent is the methyl silicone rubber.
Wherein, the component A platinum vulcanizing agent and the B component platinum vulcanizing agent order of addition are as follows:
The B component platinum vulcanizing agent is first added in the raw material of the special high temperature-resistant silicon rubber, 3 ~ 5 are kneaded in rubber mixing machine
Minute, the component A platinum vulcanizing agent is added after mixing well, and continue to be kneaded at least 1 minute；
In entire adding procedure, temperature is maintained at 5 ~ 40 DEG C in the roller of the rubber mixing machine.
The component of the preferably following parts by weight of the raw material of the special high temperature-resistant High tear resistance silicon rubber:
54 parts of methyl vinyl silicone rubber；
4.5 parts of vinyl silicone oil；
7 parts of styrylmethyl silicon rubber；
4 parts of fire retardant；
4.5 parts of fireproof agent；
2.5 parts of white carbon black；
6.5 parts of filler.
Wherein, the foil shielding layer 5 uses plastic-aluminum combined carrying material, and the inner surface of the foil shielding layer 5 is exposed simultaneously
Fitting is coated on the periphery of the woven shield 4；The count of the woven shield 4 is 80% ~ 90%.
Wherein, the center conductor 1 is aluminium alloy conductor, and the raw material of the aluminium alloy conductor 1 includes following parts by weight
Component:
100 parts of aluminium；
0.4 ~ 0.6 part of iron；
0.06 ~ 0.08 part of silicon；
0.3 ~ 0.5 part of copper；
0.02 ~ 0.03 part of magnesium；
Other 0.3 part.
Suitable copper component can guarantee that finished product creep-resistant property is good, and suitable magnesium elements component can ensure that product
Intensity and elongation are good；Other components include zinc, boron etc..
The twisted wire annealing of the center conductor 1 uses pot annealing, and the DIE Temperature annealed is controlled at 340 ~ 360 °C；
The resistivity of the center conductor is 61.5% or more of copper, and intensity is 110 ~ 142Mpa, and elongation is greater than 25%.
Wherein, the special high temperature-resistant High tear resistance silicon rubber raw material in the special high temperature-resistant High tear resistance silicon rubber restrictive coating 6
Further include the component of following parts by weight:
2 ~ 5 parts of release agent；
3 ~ 5 parts of defrosting compound；
1 ~ 3 part of color.
Component designs whereby, adds after platinum vulcanizing agent, it is ensured that cable has a characteristic of highly-flexible, and when use is easy
In installation, at the same cable can resistance to+200 DEG C of high temperature, -60 DEG C of low temperature, and there is excellent tear resistance and resistance to ozone, resistance to
The characteristics such as oil, high-low temperature resistant, environmental protection.
Wherein, the polyester layer 3 is made of polyurethane；
The raw material of the polyurethane comprises the following components in parts by weight:
20 ~ 30 parts of TDI-100；
10 ~ 20 parts of TDI-80；
10 ~ 20 parts of TDI-65；
Terminal hydroxy group compound: 40 ~ 50 parts.
TDI-100 is the 2,4 toluene diisocyanate containing 100%；TDI-80 is the 2,4- toluene diisocynate containing 80%
Ester, 20% 2,6- toluene di-isocyanate(TDI)；TDI-65 is 2, the 4- toluene di-isocyanate(TDI) containing 65%, 35% 2,6- toluene two
Isocyanates；
Whereby formula design, the polyester layer 3 can bring effect be higher mechanical strength and oxidation stability；Have
Higher flexibility and resilience；There is excellent oil resistivity, solvent resistance, water resistance and fire resistance simultaneously.
Wherein, the external braid 7 is woven using flame-resistant terylene silk material matter, and outer surface is coated with silicone coatings.
Compared to existing technologies, the present invention is by using special high temperature-resistant High tear resistance silicon rubber elastomer, polyurethane material
The high temperature resistants material such as matter can make cable meet the requirement to work under 200 DEG C of high temperature for a long time, more resistance to than conventional 125 DEG C and 150 DEG C
The cable heatproof of warm grade is higher；And the outer insulation diameter of cable is reduced, bending radius becomes smaller, due to using polyester belt winding pair
Insulating layer is protected, and is had impression or puncture when can prevent woven shield from covering and is caused the destruction of insulating layer, mentions significantly
The high heat resistance of cable, bending property and safety in operation, meet many technical requirements of products application.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of new-energy automobile high temperature high voltage resistant surpasses flexible cable, it is characterised in that:
Including center conductor, special high temperature-resistant High tear resistance silicon rubber insulating layer, polyester layer, woven shield, foil shielding layer,
Special high temperature-resistant High tear resistance silicon rubber restrictive coating and external braid；
The center conductor is to be formed by annealed Al-alloy stranded conductor by intersecting regular be twisted；
The periphery of the center conductor is closely coated with the special high temperature-resistant High tear resistance silicon rubber insulating layer, the special high temperature-resistant
The periphery of High tear resistance silicon rubber insulating layer is closely coated with the polyester layer, and the periphery of the polyester layer is closely coated with by naked
The woven shield that copper wire or tinned copper wire are formed, the periphery of the woven shield is closely coated with the aluminum foil shielded
Layer, the periphery of the foil shielding layer is closely coated with the special high temperature-resistant High tear resistance silicon rubber restrictive coating, the special high temperature-resistant
The periphery of High tear resistance silicon rubber restrictive coating is then closely coated with the external braid；
The special high temperature-resistant High tear resistance silicon rubber insulating layer and the special high temperature-resistant High tear resistance silicon rubber restrictive coating by
Special high temperature-resistant High tear resistance silicon rubber is made；
The raw material of the special high temperature-resistant High tear resistance silicon rubber comprises the following components in parts by weight:
45 ~ 65 parts of methyl vinyl silicone rubber；
3 ~ 5 parts of vinyl silicone oil；
5 ~ 10 parts of styrylmethyl silicon rubber；
2.5 ~ 6 parts of fire retardant；
1.5 ~ 5 parts of fireproof agent；
1.5 ~ 3 parts of white carbon black；
5 ~ 8 parts of filler.
2. cable according to claim 1, it is characterised in that:
The raw material components of the special high temperature-resistant High tear resistance silicon rubber further include:
2 ~ 3 parts of zinc stearate；
2 ~ 3 parts of silica；
2 ~ 3 parts of zinc stearate；
The filler is silica.
3. cable according to claim 1, it is characterised in that:
Platinum vulcanizing agent is added in the raw material of the special high temperature-resistant High tear resistance silicon rubber, the raw material of the platinum vulcanizing agent includes
The component of following parts by weight:
0.5 ~ 5 part of methyl silicone rubber；
8 ~ 33 parts of methyl vinyl silicone rubber；
3.5 ~ 15 parts of silane coupling agent；
0.000005 ~ 0.00005 part of platinum complex salt.
4. cable according to claim 3, it is characterised in that: the platinum vulcanizing agent is by component A platinum vulcanizing agent and B group
Divide platinum vulcanizing agent composition；Wherein,
The component A platinum vulcanizing agent comprises the following components in parts by weight:
0.000005 ~ 0.00005 part of platinum complex salt；
0.5 ~ 5 part of methyl silicone rubber；
3 ~ 10 parts of methyl vinyl silicone rubber；
8 ~ 20 parts of remaining filler；
The B component platinum vulcanizing agent comprises the following components in parts by weight:
5 ~ 23 parts of methyl vinyl silicone rubber；
3.5 ~ 15 parts of silane coupling agent；
5 ~ 15 parts of remaining filler；
Also, the addition of component A platinum vulcanizing agent is than being the 0.3% ~ 2% of special high temperature-resistant silicone rubber material weight, B component platinum
The addition of vulcanizing agent is than being the 0.6% ~ 3.5% of special high temperature-resistant silicone rubber material weight.
5. cable according to claim 4, it is characterised in that: the component of the component A platinum vulcanizing agent further include:
Silica 1 ~ 2.5 part；
0.5 ~ 2 part of zinc stearate；
The filler of the component A platinum vulcanizing agent is the silica；
The component of the B component platinum vulcanizing agent further include:
2.5 ~ 8 parts of methyl silicone rubber；
The filler of the B component platinum vulcanizing agent is the methyl silicone rubber.
6. cable according to claim 4, it is characterised in that: the component A platinum vulcanizing agent and the B component platinum sulphur
Agent order of addition are as follows:
The B component platinum vulcanizing agent is first added in the raw material of the special high temperature-resistant silicon rubber, 3 ~ 5 are kneaded in rubber mixing machine
Minute, the component A platinum vulcanizing agent is added after mixing well, and continue to be kneaded at least 1 minute；
In entire adding procedure, temperature is maintained at 5 ~ 40 DEG C in the roller of the rubber mixing machine.
7. cable according to claim 1, it is characterised in that: the foil shielding layer uses plastic-aluminum combined carrying material, should
The inner surface of foil shielding layer is exposed and is bonded the periphery for being coated on the woven shield；
The count of the woven shield is 80% ~ 90%.
8. cable according to claim 1, it is characterised in that: in the special high temperature-resistant High tear resistance silicon rubber restrictive coating
Special high temperature-resistant High tear resistance silicon rubber raw material further includes the component of following parts by weight:
2 ~ 5 parts of release agent；
3 ~ 5 parts of defrosting compound；
1 ~ 3 part of color.
9. cable according to claim 1, it is characterised in that: the polyester layer is made of polyurethane；
The raw material of the polyurethane comprises the following components in parts by weight:
20 ~ 30 parts of TDI-100；
10 ~ 20 parts of TDI-80；
10 ~ 20 parts of TDI-65；
40 ~ 50 parts of terminal hydroxy group compound.
Priority Applications (1)
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| CN110289122A (en) * | 2019-07-05 | 2019-09-27 | 江苏亨通电子线缆科技有限公司 | The tasteless anti-explosion cable of new-energy automobile high temperature high voltage resistant |
| CN110335709A (en) * | 2019-07-05 | 2019-10-15 | 江苏亨通电子线缆科技有限公司 | High notch sensitive high temperature resistant new-energy automobile silicone rubber for cable |
| CN114156005A (en) * | 2021-11-11 | 2022-03-08 | 江苏永鼎电气有限公司 | High-temperature sealing adhesive conductor and application thereof in automobile wire harness |
| CN115359946A (en) * | 2022-08-01 | 2022-11-18 | 安徽中青欣意铝合金电缆有限公司 | Cable conductor material for vehicle and preparation method of high-temperature-resistant and corrosion-resistant cable |
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Application publication date: 20190405 |