CN107993751A - A kind of high flexibility electric automobile high-voltage cable and its manufacture method - Google Patents
A kind of high flexibility electric automobile high-voltage cable and its manufacture method Download PDFInfo
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- CN107993751A CN107993751A CN201711303162.2A CN201711303162A CN107993751A CN 107993751 A CN107993751 A CN 107993751A CN 201711303162 A CN201711303162 A CN 201711303162A CN 107993751 A CN107993751 A CN 107993751A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title abstract description 10
- 229920000098 polyolefin Polymers 0.000 claims abstract description 25
- 239000004020 conductor Substances 0.000 claims abstract description 22
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 21
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 21
- 238000007514 turning Methods 0.000 claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000005253 cladding Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- 229930195733 hydrocarbon Natural products 0.000 claims 1
- 150000002430 hydrocarbons Chemical class 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or 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
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded 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
- H01B7/041—Flexible cables, conductors, or cords, e.g. trailing cables attached to mobile objects, e.g. portable tools, elevators, mining equipment, hoisting 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
-
- 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
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- 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
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The present invention provides a kind of high flexibility electric automobile high-voltage cable and its manufacture method, including：Conductor wire core, high temperature resistant PTFE turning bands are surrounded with outside the conductor wire core, the PTFE turning band is coated with soft type cross-linked polyolefin insulating layer, tinned copper wire is surrounded with outside the insulating layer, described one layer of super cross-linked polyolefin sheath layer of tinned copper wire outer cladding, the insulating layer are evenly arranged with multiple oblique sawtooth with the side that PTFE turning bands contact；The present invention solves the shortcomings of existing in-car high-tension cable pliability is low, bending radius is small, there is high flexibility, minimum bending radius, the current-carrying capacity of cable, wearability, environment resistant, oil resistivity, cold resistance further enhance at the same time, can be in electric car very narrow space mounting and installation.
Description
Technical field
The present invention relates to new energy cable technology, specifically a kind of high flexibility electric automobile high-voltage cable and its manufacture
Method.
Background technology
With the development of modern industry, the continuous intensification of environmental problem getting worse, and global energy crisis, new energy
Electric automobile is increasingly subject to the accreditation of countries in the world as the vehicles of a new generation and starts to promote, and future transportation work
The inevitable direction of the leading development of tool.Electric automobile high-voltage connection cables are used for each power part of electric automobile, energy-storage battery, driving
The transmission of electric current and signal between each functional component of motor, Vehicular charger, PDU, BMS, air-conditioning system, by Cable Bending Radius
Limitation, the spacing inside electric automobile between each equipment is relatively large, and compared with regular fuel automobile, equal vehicle can not expire
Requirement of the sufficient passenger for larger seating space comfort.
The content of the invention
It is an object of the present invention to overcome the above deficiencies, thus provide a kind of high flexibility electric automobile high-voltage cable and
Its manufacture method.The present invention is to solve above-mentioned technical problem by following technical proposals：A kind of high flexibility electric automobile high-voltage
Cable, including：Conductor wire core 1, it is characterised in that high temperature resistant PTFE turning band 2 is surrounded with outside the conductor wire core 1, it is described
PTFE turning band 2 is coated with soft type cross-linked polyolefin insulating layer 3, and tinned copper wire 4 is surrounded with outside the insulating layer 3, described
4 outer cladding of tinned copper wire, one layer of super cross-linked polyolefin sheath layer 5, the side that the insulating layer 3 is contacted with PTFE turning band 2
It is evenly arranged with multiple tiltedly sawtooth 31.
Preferably, the conductor wire core 1 is twisted by 7~37 group braided wires 11.
Preferably, the strand 11 is twisted by 7 groups of twisted wires 111
Preferably, the twisted wire 111 is twisted by the bare copper wire 1111 of 20~100 a diameter of 0.08~0.20mm.
A kind of production method of high flexibility electric automobile high-voltage cable, it is characterised in that comprise the following steps：
Step 1：By the bare copper wire of 20~100 a diameter of 0.08~0.20mm according to 33~40 times of sections on 630 type strand winders
Footpath ratio is twisted into twisted wire, and direction of lay is left-hand, and monofilament laying tension is 10~15N, the change of monofilament line footpath for 0.001~
0.003mm；
Step 2：Twisted wire made of step 1 is placed 7 groups in 630 type pipe twisting machines, the wherein center of pipe twisting machine places one group,
Periphery places six groups, and it is 20~25 times to be twisted lay ratio, and direction is dextrad, is twisted into strand；
Step 3：7~37 group braided wires are placed in 630 type cage winch, one group of the center of winch, 6 groups of the second layer, from inside to outside, the
After three layers every layer 6 groups more than last layer, be twisted into conductor wire core according to 16 winch, 18 times of lay ratio；
Step 4：Outside conductor wire core overlapping wrapped a layer thickness be 0.05~0.1mm PTFE turning bands, Duplication 15%
~25%；
Step 5：Woven after PTFE turning band external application extruding machine coats one layer of soft type cross-linked polyolefin insulation using 24 ingots
Machine weaves tinned copper wire, and the tinned copper wire radical per ingot is 8~10, and filament diameter is 0.1~0.2mm, count 80%
~90%；
Step 6：It is 22~25 in screw slenderness ratio:Super cross-linked polyolefin material is added in 1 90~φ of φ, 120 extruding machines
Material, extruding machine temperature setting of 7 warm areas from feed inlet to mould are followed successively by：130℃、140℃、145℃、150℃、155℃、
155 DEG C, 150 DEG C, 150 DEG C, the screw speed and hauling speed of extruding machine are adjusted, makes the super crosslinked polyolefin materials of extrusion
Core surface made of step 5 is uniformly coated on, disk tool is taken in after cooling drying and obtains the cable.
Since above-mentioned technical proposal is used, the present invention has following advantages and effect compared with prior art：
1. in the conductor wire core that the present invention makes, the position of each monofilament is in turn under the elongation zone on twisted wire top and twisted wire
The compressional zone in portion, when twisted wire is bent, conductor wire core will not deform, and further improve the flexibility of product and reduce
The bending radius of product；
2. overlapping wrapped high temperature resistant PTFE turning band and outer cladding soft type cross-linked polyolefin insulation collocation makes outside conductor wire core
With significantly improving the operating temperature ratings of cable, current-carrying capacity is obviously improved, coefficient higher safe to use；
3. restrictive coating uses super cross-linked polyolefin, there is extremely strong elastic force and pliability, further improve the soft of cable
Softness and bending radius, while significantly improve the current-carrying capacity of cable, wearability, environment resistant, oil resistivity, cold resistance.
4. soft type cross-linked polyolefin insulating layer uses brand-new mold design and method for coating, in the insulating layer after processing
There are uniform tiltedly sawtooth and triangle gap in side, and deformation is produced when cable is squeezed, after oblique sawtooth stress and is filled into triangle sky
At gap, after extruding disappears, the defects of oblique sawtooth recovers as former state, and insulating layer is not in cracking, bulge and influence cable and use peace
Entirely, so that cable has high flexibility and minimum bending radius.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention
Fig. 2 is the structure diagram of the conductor wire core of the present invention
Fig. 3 is the structure diagram of the oblique sawtooth of the present invention
In figure：1- conductor wire cores, 11- strands, 111- twisted wires, 1111- bare copper wires；
2-PTFE turning bands；
3- insulating layers, the oblique sawtooth of 31-；
4- tinned copper wires；5- restrictive coatings.
It is the specific embodiment of the present invention and with reference to attached drawing below, technical scheme is further described,
But the present invention is not limited to these examples.
As shown in Figure 1-Figure 3, a kind of high flexibility electric automobile high-voltage cable, including：Conductor wire core 1, it is characterised in that institute
State and be surrounded with high temperature resistant PTFE turning band 2 outside conductor wire core 1, the PTFE turning band 2 is coated with soft type cross-linked polyolefin
Insulating layer 3, the insulating layer 3 are surrounded with tinned copper wire 4,4 outer cladding of tinned copper wire, one layer of super cross-linked polyolefin outside
Restrictive coating 5, the insulating layer 3 are evenly arranged with multiple tiltedly sawtooth 31 with the side that PTFE turning band 2 contacts.
In the present embodiment, it is preferred that the conductor wire core 1 is twisted by 7~37 group braided wires 11.
In the present embodiment, it is preferred that the strand 11 is twisted by 7 groups of twisted wires 111
In the present embodiment, it is preferred that the twisted wire 111 by 20~100 a diameter of 0.08~0.20mm bare copper wire
1111 are twisted.
A kind of production method of high flexibility electric automobile high-voltage cable, it is characterised in that comprise the following steps：
Step 1：By the bare copper wire of 20~100 a diameter of 0.08~0.20mm according to 33~40 times of sections on 630 type strand winders
Footpath ratio is twisted into twisted wire, and direction of lay is left-hand, and monofilament laying tension is 10~15N, the change of monofilament line footpath for 0.001~
0.003mm；
Step 2：Twisted wire made of step 1 is placed 7 groups in 630 type pipe twisting machines, the wherein center of pipe twisting machine places one group,
Periphery places six groups, and it is 20~25 times to be twisted lay ratio, and direction is dextrad, is twisted into strand；
Step 3：7~37 group braided wires are placed in 630 type cage winch, one group of the center of winch, 6 groups of the second layer, from inside to outside, the
After three layers every layer 6 groups more than last layer, be twisted into conductor wire core according to 16 winch, 18 times of lay ratio；
Step 4：Outside conductor wire core overlapping wrapped a layer thickness be 0.05~0.1mm PTFE turning bands, Duplication 15%
~25%；
Step 5：Woven after PTFE turning band external application extruding machine coats one layer of soft type cross-linked polyolefin insulation using 24 ingots
Machine weaves tinned copper wire, and the tinned copper wire radical per ingot is 8~10, and filament diameter is 0.1~0.2mm, count 80%
~90%；
Step 6：It is 22~25 in screw slenderness ratio:Super cross-linked polyolefin material is added in 1 90~φ of φ, 120 extruding machines
Material, extruding machine temperature setting of 7 warm areas from feed inlet to mould are followed successively by：130℃、140℃、145℃、150℃、155℃、
155 DEG C, 150 DEG C, 150 DEG C, the screw speed and hauling speed of extruding machine are adjusted, makes the super crosslinked polyolefin materials of extrusion
Core surface made of step 5 is uniformly coated on, disk tool is taken in after cooling drying and obtains the cable.
The method for coating of soft type cross-linked polyolefin insulating layer is：
Step 1：Design and process new-type mould, the interior mould in mould is core rod, and the processing length of core rod mouth is 6~10mm, thick
Spend for 0.5~1.5mm, be uniformly distributed with 6~30 width on the outside of core rod mouth and height be 0.5~2mm oblique sawtooth
Shape is raised, and on the basis of the center of core rod, the center of oblique sawtooth and core rod is in 45 degree of angle S types rotations, the outer mold of mould
Die sleeve, the shaping section length of die sleeve is 4~6mm.
Step 2：The new parameter processing mold designed according to step 1, the roughness control of die surface 0.2~0.8,
Load extruder head after machining, taper serration shape during loading in core rod mouth raised wipes a small amount of high-temperature silicon oil；
Step 3：It is 22~25 in screw slenderness ratio:Soft type cross-linked polyolefin is added in 1 90 extruding machines of φ, material is being expected
2~4h of baking in bucket, baking material temperature are 70~90 DEG C, and extruding machine temperature setting of 8 warm areas from feed inlet to mould is followed successively by：
130 DEG C, 155 DEG C, 160 DEG C, 165 DEG C, 170 DEG C, 165 DEG C, 160 DEG C, 160 DEG C, open extruding machine, soft type cross-linked polyolefin from
Extruding machine flow into head, into mould after extrude in a helical pattern, inner side is in 45 degree of taper serration shapes；
Step 4：Dragger is opened, soft type cross-linked polyolefin is uniformly coated on PTFE turning belt surfaces in spiral form,
Power frequency spark tester is crossed after cooling drying and carries out online defects detection, test voltage 8kV, is completed by rear income disk tool
The cladding of soft type cross-linked polyolefin insulating layer.
It will be detected, owned with high-tension shielding cable inside a kind of manufactured high flexibility electric automobile according to the method described above
Testing index meets desired design, and main performance index testing result is shown in Table 1.
1 high flexibility electric automobile high-voltage cable main performance index of table
| Sequence number | Performance project | Unit | Testing result |
| 1 | Tensile strength | N/mm2 | 38 |
| 2 | Elongation at break | % | 428 |
| 3 | Tensile strength after aging | N/mm2 | 37 |
| 4 | Elongation at break after aging | % | 425 |
| 5 | Volume resistivity | Ω*m | 4.6*1014 |
| 6 | Wearability | —— | Additional weight 0.2kg, abrasive band walking 1896mm |
| 7 | Circulation deflects experiment | It is secondary | 3986260 |
| 8 | Minimum bending radius | —— | 3D |
Manufactured high flexibility electric automobile high-voltage shielded cable it will be carried out according to the method described above with common electric automobile high-voltage electricity cable
Comprehensive performance is appraised through comparison, the results showed that, using the high flexibility electric automobile high-voltage shielded cable of the invention being made, its is comprehensive
Can index be substantially better than common electric automobile high-voltage electricity cable, Cable Bending Radius is obviously reduced compared with similar product, and pliability is into one
Step lifting, while the current-carrying capacity of cable is also obviously improved, main performance index comparing result is shown in Table 2, and comprehensive performance contrast is shown in Table
3。
2 main performance index contrast table of table
| Sequence number | Performance project | Unit | High flexibility electric automobile high-voltage cable detection result | Common electric automobile high-voltage electricity cable testing result |
| 1 | Tensile strength | N/mm2 | 38 | 29 |
| 2 | Elongation at break | % | 428 | 330 |
| 3 | Tensile strength after aging | N/mm2 | 37 | 28.5 |
| 4 | Elongation at break after aging | % | 425 | 328 |
| 5 | Volume resistivity | Ω*m | 4.6*1014 | 3.5*1014 |
| 6 | Wearability | —— | Additional weight 0.2kg, abrasive band walking 1896mm | Additional weight 0.2kg, abrasive band walking 1358mm |
| 7 | Circulation deflects experiment | It is secondary | 3986260 | 1896800 |
| 8 | Minimum bending radius | —— | 3D | 6D |
3 comprehensive performance contrast table of table
| Contrast project | High flexibility electric automobile high-voltage cable | Common electric automobile high-voltage electricity cable |
| Bending radius | 3D | 6D |
| Temperature resistant grade | 150℃ | 125℃ |
| Current-carrying capacity | Higher | It is higher |
| Resistance to low temperature | -60℃ | -40℃ |
| Wearability | It is outstanding | It is excellent |
| Oil resistivity | It is good | It is excellent |
To sum up, a kind of high flexibility electric automobile high-voltage cable proposed by the present invention, solves existing in-car high-tension cable pliability
Low, the shortcomings of bending radius is small, there is high flexibility, minimum bending radius, at the same it is the current-carrying capacity of cable, resistance to
Mill property, environment resistant, oil resistivity, cold resistance further enhance, and can be in electric car very narrow space mounting and installation.
The foregoing is merely the preferred embodiment of the present invention mode, it is impossible to the scope of protection of the invention is limited with this, this
The change and replacement for any unsubstantiality that the technical staff in field is done on the basis of the present invention belong to the present invention and want
Seek the scope of protection.
Claims (5)
1. a kind of high flexibility electric automobile high-voltage cable, including：Conductor wire core（1）, it is characterised in that the conductor wire core（1）
It is surrounded with high temperature resistant PTFE turning bands outside（2）, the PTFE turning band（2）It is coated with soft type cross-linked polyolefin insulating layer
（3）, the insulating layer（3）It is surrounded with tinned copper wire outside（4）, the tinned copper wire（4）One layer of super crosslinked polyolefin of outer cladding
Hydrocarbon restrictive coating（5）, the insulating layer（3）With PTFE turning bands（2）The side of contact is evenly arranged with multiple oblique sawtooth（31）.
A kind of 2. high flexibility electric automobile high-voltage cable according to claim 1, it is characterised in that the conductor wire core
（1）By 7~37 group braided wires（11）It is twisted.
A kind of 3. high flexibility electric automobile high-voltage cable according to claim 2, it is characterised in that the strand（11）By
7 groups of twisted wires（111）It is twisted.
A kind of 4. high flexibility electric automobile high-voltage cable according to claim 3, it is characterised in that the twisted wire
（111）By the bare copper wire of 20~100 a diameter of 0.08~0.20mm（1111）It is twisted.
5. a kind of production method of high flexibility electric automobile high-voltage cable, it is characterised in that comprise the following steps：
Step 1：By the bare copper wire of 20~100 a diameter of 0.08~0.20mm according to 33~40 times of sections on 630 type strand winders
Footpath ratio is twisted into twisted wire, and direction of lay is left-hand, and monofilament laying tension is 10~15N, the change of monofilament line footpath for 0.001~
0.003mm；
Step 2：Twisted wire made of step 1 is placed 7 groups in 630 type pipe twisting machines, the wherein center of pipe twisting machine places one group,
Periphery places six groups, and it is 20~25 times to be twisted lay ratio, and direction is dextrad, is twisted into strand；
Step 3：7~37 group braided wires are placed in 630 type cage winch, one group of the center of winch, 6 groups of the second layer, from inside to outside, the
After three layers every layer 6 groups more than last layer, be twisted into conductor wire core according to 16 winch, 18 times of lay ratio；
Step 4：Outside conductor wire core overlapping wrapped a layer thickness be 0.05~0.1mm PTFE turning bands, Duplication 15%
~25%；
Step 5：Woven after PTFE turning band external application extruding machine coats one layer of soft type cross-linked polyolefin insulation using 24 ingots
Machine weaves tinned copper wire, and the tinned copper wire radical per ingot is 8~10, and filament diameter is 0.1~0.2mm, count 80%
~90%；
Step 6：It is 22~25 in screw slenderness ratio:Super cross-linked polyolefin material is added in 1 90~φ of φ, 120 extruding machines
Material, extruding machine temperature setting of 7 warm areas from feed inlet to mould are followed successively by：130℃、140℃、145℃、150℃、155℃、
155 DEG C, 150 DEG C, 150 DEG C, the screw speed and hauling speed of extruding machine are adjusted, makes the super crosslinked polyolefin materials of extrusion
Core surface made of step 5 is uniformly coated on, disk tool is taken in after cooling drying and obtains the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711303162.2A CN107993751B (en) | 2017-12-11 | 2017-12-11 | High-flexibility high-voltage cable for electric automobile and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711303162.2A CN107993751B (en) | 2017-12-11 | 2017-12-11 | High-flexibility high-voltage cable for electric automobile and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107993751A true CN107993751A (en) | 2018-05-04 |
| CN107993751B CN107993751B (en) | 2024-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223757A (en) * | 2020-01-21 | 2021-08-06 | 日立金属株式会社 | Twisted pair cable and multi-core cable |
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| CN201893156U (en) * | 2010-11-02 | 2011-07-06 | 无锡鑫宏业特塑线缆有限公司 | Automobile charging cable |
| CN203982878U (en) * | 2014-06-03 | 2014-12-03 | 淮南新光神光纤线缆有限公司 | A kind of microwave low loss cable |
| CN205487461U (en) * | 2016-01-12 | 2016-08-17 | 江苏南瑞银龙电缆有限公司 | Novel prevent cable that gnaws |
| KR20170084841A (en) * | 2016-01-13 | 2017-07-21 | 엘에스전선 주식회사 | hydrocarbon fire protection cable |
| CN206726821U (en) * | 2017-05-08 | 2017-12-08 | 东莞庆龙电线电缆有限公司 | A kind of Novel compressive cable |
| CN207637520U (en) * | 2017-12-11 | 2018-07-20 | 无锡鑫宏业特塑线缆有限公司 | A kind of high flexibility electric automobile high-voltage cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223757A (en) * | 2020-01-21 | 2021-08-06 | 日立金属株式会社 | Twisted pair cable and multi-core cable |
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| CN107993751B (en) | 2024-04-26 |
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Country or region after: China Address after: No.17 Hexin Road, Xishan Economic and Technological Development Zone, Wuxi City, Jiangsu Province, 214000 Applicant after: Wuxi XINHONGYE Cable Technology Co.,Ltd. Address before: 214000, No.17 Hexin Road, Xishan District, Wuxi City, Jiangsu Province Applicant before: WUXI XINHONGYE WIRE & CABLE Co.,Ltd. Country or region before: China |
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