CN105006282B - A kind of wisdom energy EMUs thin-walled cable and production technology thereof - Google Patents
A kind of wisdom energy EMUs thin-walled cable and production technology thereof Download PDFInfo
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- CN105006282B CN105006282B CN201510451606.1A CN201510451606A CN105006282B CN 105006282 B CN105006282 B CN 105006282B CN 201510451606 A CN201510451606 A CN 201510451606A CN 105006282 B CN105006282 B CN 105006282B
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Abstract
The invention discloses a kind of wisdom energy EMUs thin-walled cable and production technology, cable is followed successively by cable core, the second polyester belt, the second shielding layer of copper wires, the 3rd polyester belt and thin-walled sheath from inside to outside；Described cable core includes that seven cores and the six bundle limit gaps being filled between core and the second polyester belt fill cotton cord；Described every core includes two insulated wire cores, inner sheath, the first shielding layer of copper wires and the first polyester belt from the inside to the outside；Described insulated wire cores is conductor and thinwalled insulation from the inside to the outside；Described often bundle limit gap is filled cotton cord radical in cotton cord and is determined according to formula: S=1.263D2/(0.7854×6d2), D is the external diameter of core, and d is the external diameter of cotton thread.The construction of cable of the present invention is compact, outward appearance rounding, and the outside diameter of cable is little, and pliability is high, superior performance.
Description
Technical field
The present invention relates to locomotive cable field, refers in particular to a kind of wisdom energy EMUs thin-walled cable and production technology thereof.
Background technology
EMUs technology develops rapidly in recent years, and intra-locomotive equipment also becomes increasingly complex, thus increases the demand of cable
Add, and interior space is very limited, it is desirable to the outside diameter of cable is little and compact conformation, but traditional processing technique cannot meet
The production of cable in high precision, it is therefore desirable to structure and processing technique to cable improve.EMUs thin-walled cable is used
In the connection within EMUs, lay narrow space, roundness, external diameter and the pliability of cable is required the highest.In order to
The reduction outside diameter of cable can only be reduced by conductor diameter and insulate, sheath reduces thickness and realizes, it is therefore desirable to make following
Improving: 1. conductor arrangement is compact, twisting pitch reduces, and uses suitable mould to press；2. insulant require high fire-retardance,
High-insulativity, high intensity and splendid heat-resisting cold tolerance, take suitable measure avoid insulation quenching and stretching of causing
Long rate declines and hardness increases；3. filling full during cable cabling, the cotton cord that therefore opposite side gap is filled to be counted accurately
Calculate；4. jacket thickness reduces, and uses squash type to produce, it is ensured that construction of cable rounding, apparent smooth.
Summary of the invention
First purpose of the present invention is to provide a kind of wisdom energy EMUs thin-walled cable.
The technical scheme realizing first purpose of the present invention is a kind of wisdom energy EMUs thin-walled cable, depends on from inside to outside
Secondary for cable core, the second polyester belt, the second shielding layer of copper wires, the 3rd polyester belt and thin-walled sheath；Described cable core includes seven
Core and the six bundle limit gaps being filled between core and the second polyester belt fill cotton cord；Described every core includes from the inside to the outside
Two insulated wire cores, inner sheath, the first shielding layer of copper wires and the first polyester belt；Described insulated wire cores is conductor from the inside to the outside
And thinwalled insulation；Described often bundle limit gap is filled cotton cord radical in cotton cord and is determined according to formula: S=1.263D2/(0.7854×
6d2), D is the external diameter of core, and d is the external diameter of cotton thread, and S is cotton cord radical.
The sectional area of described conductor is 0.5mm2, the tin-coated copper wire using 19 string diameters to be 0.18mm is more than by pitch
16mm is stranded；Described thinwalled insulation thickness is 0.18mm；Described inner sheath thickness is 0.15mm；First brass wire shielding
Layer and the second shielding layer of copper wires are proof copper-wire braided, and count is 80%；Described first polyester belt, the second polyester belt and
3rd polyester tape thickness is 0.05mm, and width is 5mm, the rate of putting up 20%～25% of polyester belt；Described thin-walled protects
Set thickness is 0.20mm.
The copper wire string diameter of the first shielding layer of copper wires is 0.15mm, and number of spindles is 16, and every ingot radical is 5, and pitch is not more than
25mm；The copper wire string diameter of described second shielding layer of copper wires is 0.15mm, and number of spindles is 32, and every ingot radical is 5, joint
Away from no more than 60mm.
Described core uses one, center, the arrangement architecture of the peripheral six roots of sensation；Described limit gap is filled cotton cord and is filled in adjacent respectively
In 6 gaps between core, limit gap fills a diameter of 0.3mm of cotton cord, and sectional area is 2.58mm2, cotton thread radical
It it is 36.
Described thinwalled insulation, inner sheath and thin-walled sheath all use the S2 type cross-linking radiation polyene meeting EN50306 standard
Hydrocarbon polymer.
Second object of the present invention is to provide the production technology of a kind of wisdom energy EMUs thin-walled cable.
The technical scheme realizing second purpose of the present invention is the production technology of a kind of wisdom energy EMUs thin-walled cable,
Comprise the steps of
Step one: determine the construction of cable；
Step 2: the preparation of insulated wire cores: conductor uses tinned copper wire stranded, and radical is 19, and string diameter is 0.18mm,
Arrangement mode is internal layer 1, secondary outer layer 6, outer layer 12, and twisting pitch is more than 16mm, and employing aperture is 0.9mm
Buddha's warrior attendant mould press；Thinwalled insulation is cross-linking radiation polyolefin polymer, and the thickness of thinwalled insulation is 0.18mm；Every 2
One line pair of the stranded composition of root insulated wire cores, totally 7 lines pair, each line strand pitch is not more than 15mm；Each
Line externally extrudes inner sheath, weaves the first shielding layer of copper wires and wrapped first polyester belt；Inner sheath uses cross-linking radiation polyene
Hydrocarbon polymer, inner sheath thickness is 0.15mm；First shielding layer of copper wires is proof copper-wire braided, and count is 80%, copper
Silk string diameter is 0.15mm, and number of spindles is 16, and every ingot radical is 5, and pitch is not more than 25mm；Taking of first polyester belt
Lid rate 20%～25%；
Step 3: prepare cable core: 7 cores are carried out stranding, centered by arrangement mode one, the 1+6 of the peripheral six roots of sensation
Mode, fill limit gap between adjacent core and fill cotton cord, the most wrapped second polyester belt, polyester belt put up rate
20%～25%；
Step 4: weave the second shielding layer of copper wires outside the second polyester belt, described second shielding layer of copper wires is proof copper-wire braided,
Count is 80%；Copper wire string diameter is 0.15mm, and number of spindles is 32, and every ingot radical is 5, and pitch is not more than 60mm；
Step 5: outer around the 3rd polyester belt, the rate of putting up 20%～25% of polyester belt at the second shielding layer of copper wires；
Step 6: extrude thin-walled sheath outside the 3rd polyester belt, sheath is cross-linking radiation polyolefin polymer, jacket thickness
For 0.2mm；
Step 7: use electron accelerator to carry out cross-linking radiation.
In described step 2, the procedure of processing of thinwalled insulation is: use the pre-heat conductor of vicarious pre-heating device, when the temperature of conductor
When degree reaches 100 DEG C-120 DEG C, using plsitive mold extrusion insulant, body temperature is 190 DEG C, and head is extruded
Temperature is 220 DEG C；Insulated wire cores is soaked in the water of 80 DEG C and is tempered half an hour.
In described step 3, limit gap fills a diameter of 0.3mm of cotton cord, and volume is 2.58mm3, cotton thread radical is 36
Root.
Taking overall irradiation in described step 7, irradiation energy is 1.5Mev, and irradiation dose is 3.0m/min/mA.
Using technique scheme, patent of the present invention has following beneficial outcomes: (1) is due to the insulation of the cable of the present invention
The thinnest with sheath, not rounding easily occurs, therefore the present invention through numerous studies and accurately calculates, it is determined that filling cotton
The computing formula of rope so that substantially increasing the roundness of cable, the construction of cable is compact, outward appearance rounding, and the outside diameter of cable is little,
Pliability is high, and pull resistance is good, superior performance.
(2) conductor of the present invention adds and uses man-hour tinned copper wire stranded, and radical is 19, and string diameter is 0.18mm, arrangement
Mode is internal layer 1, secondary outer layer 6, outer layer 12, and twisting pitch is more than 16mm, and employing aperture is 0.9mm
Buddha's warrior attendant mould press；Effectively reduce the burr of conductor diameter and conductive surface, effectively raise the circle of conductor simultaneously
Whole degree.
(3) thinwalled insulation very thin thickness, conductor temperature is if if room temperature, and conductor can make insulation temperature rapid drawdown, because of
The thinwalled insulation of this present invention add first pre-heat conductor in man-hour, effectively reduce the contraction of insulant and improve insulation
Smoothness, be effectively increased the adhesion of conductor and insulant simultaneously, tempering process then allows the molecule of insulant
Chain sufficiently adjusts.Improve elongation at break and the pliability of insulant.
Accompanying drawing explanation
It is clearly understood to make present disclosure be easier to, below according to specific embodiment and combine accompanying drawing, to this
Invention is described in further detail, wherein:
Fig. 1 is the structural representation of the present invention.
Accompanying drawing is numbered: core 1, insulated wire cores 11, conductor 11-1, thinwalled insulation 11-2, inner sheath 12,
One shielding layer of copper wires the 13, first polyester belt 14, limit gap filling cotton cord the 2, second polyester belt the 3, second shielding layer of copper wires 4,
3rd polyester belt 5, thin-walled sheath 6.
Detailed description of the invention
(embodiment 1)
See Fig. 1, a kind of wisdom energy EMUs thin-walled cable of the present embodiment, be followed successively by from inside to outside cable core, second
Polyester belt the 3, second shielding layer of copper wires the 4, the 3rd polyester belt 5 and thin-walled sheath 6；Cable core includes seven cores 1 and fills
Six bundle limit gaps between core 1 and the second polyester belt 3 fill cotton cord 2；Every core 1 includes two eradications from the inside to the outside
Edge core 11, inner sheath the 12, first shielding layer of copper wires 13 and the first polyester belt 14；Insulated wire cores 11 is from the inside to the outside
Conductor 11-1 and thinwalled insulation 11-2；Often in bundle limit gap filling cotton cord 2, cotton cord radical determines according to formula:
S=1.263D2/0.7854×6d2, D is the external diameter of core 1, and d is the external diameter of cotton thread.The sectional area of conductor 11-1 is
0.5mm2, the tin-coated copper wire using 19 string diameters to be 0.18mm is stranded more than 16mm by pitch；Thinwalled insulation 11-2
Thickness is 0.18mm；Inner sheath 12 thickness is 0.15mm；First shielding layer of copper wires 13 and the second shielding layer of copper wires 4 are equal
For proof copper-wire braided, count is 80%；First polyester belt the 14, second polyester belt 3 and the 3rd polyester belt 5 thickness are equal
For 0.05mm, width is 5mm, the rate of putting up 20%～25% of polyester belt；Thin-walled sheath 6 thickness is 0.20mm.The
The copper wire string diameter of one shielding layer of copper wires 13 is 0.15mm, and number of spindles is 16, and every ingot radical is 5, and pitch is not more than 25mm；
The copper wire string diameter of the second shielding layer of copper wires 4 is 0.15mm, and number of spindles is 32, and every ingot radical is 5, and pitch is not more than 60mm.
Core 1 uses one, center, the arrangement architecture of the peripheral six roots of sensation；Limit gap fill cotton cord 2 be filled in respectively adjacent core 1 it
Between 6 gaps in, limit gap fill cotton cord 2 a diameter of 0.3mm, sectional area is 2.58mm2, cotton thread radical is 36
Root.Thinwalled insulation 11-2, inner sheath 12 and thin-walled sheath 6 all use the S2 type irradiation meeting EN50306 standard to hand over
Connection polyolefin polymer.
Production technology is:
Step one: determine the construction of cable such as claim 5；
Step 2: the preparation of insulated wire cores 11: conductor 11-1 uses tinned copper wire stranded, and radical is 19, and string diameter is
0.18mm, arrangement mode is internal layer 1, secondary outer layer 6, outer layer 12, and twisting pitch is more than 16mm, uses
Aperture is that the Buddha's warrior attendant mould of 0.9mm presses；Thinwalled insulation 11-2 is cross-linking radiation polyolefin polymer, thinwalled insulation 11-2
Thickness be 0.18mm；One line pair of every 2 stranded compositions of insulated wire cores 11, totally 7 lines pair, each line strand
Pitch is not more than 15mm；Externally extrude inner sheath 12 at each line, weave the first shielding layer of copper wires 13 and wrapped first
Polyester belt 14；Inner sheath 12 uses cross-linking radiation polyolefin polymer, inner sheath thickness to be 0.15mm；First copper wire
Screen layer 13 is proof copper-wire braided, and count is 80%, and copper wire string diameter is 0.15mm, and number of spindles is 16, every ingot radical
Being 5, pitch is not more than 25mm；The rate of putting up 20%～25% of the first polyester belt 11-5；Thinwalled insulation 11-2 adds
Work step is suddenly: uses the pre-heat conductor of vicarious pre-heating device 11, when the temperature of conductor 11 reaches 100 DEG C-120 DEG C, adopts
Extruding insulant with plsitive mold, body temperature is 190 DEG C, and head extrusion temperature is 220 DEG C；By insulated wire cores
11 in the water of 80 DEG C soak half an hour be tempered.
Step 3: prepare cable core: 7 cores are carried out stranding, centered by arrangement mode one, the 1+6 of the peripheral six roots of sensation
Mode, fill limit gap between adjacent core 1 and fill cotton cord 2, the most wrapped second polyester belt 3, putting up of polyester belt
Rate 20%～25%；Limit gap fills a diameter of 0.3mm of cotton cord 2, and volume is 2.58mm3, cotton thread radical is 36；
Step 4: at second polyester belt 3 outer braiding the second shielding layer of copper wires 4, the second shielding layer of copper wires 4 is proof copper-wire braided,
Count is 80%；Copper wire string diameter is 0.15mm, and number of spindles is 32, and every ingot radical is 5, and pitch is not more than 60mm；
Step 5: outer around the 3rd polyester belt 5, the rate of putting up 20%～25% of polyester belt at the second shielding layer of copper wires 4；
Step 6: extruding thin-walled sheath 6 outside the 3rd polyester belt 5, sheath 6 is cross-linking radiation polyolefin polymer, protects
Overlapping 6 thickness is 0.2mm；
Step 7: use electron accelerator to carry out cross-linking radiation.Taking overall irradiation, irradiation energy is 1.5Mev, irradiation
Dosage is 3.0m/min/mA.
Particular embodiments described above, has been carried out purpose, technical scheme and the beneficial effect of patent of the present invention further
Describe in detail, be it should be understood that the specific embodiment that the foregoing is only the present invention, be not limited to this
Bright, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included in
Within protection scope of the present invention.
Claims (9)
1. a wisdom energy EMUs thin-walled cable, it is characterised in that: be followed successively by from inside to outside cable core, second gather
Ester band (3), the second shielding layer of copper wires (4), the 3rd polyester belt (5) and thin-walled sheath (6)；Described cable core includes seven
Root core (1) and the six bundle limit gaps being filled between core (1) and the second polyester belt (3) fill cotton cord (2)；Institute
State every core (1) and include two insulated wire cores (11), inner sheath (12), the first shielding layer of copper wires (13) from the inside to the outside
With the first polyester belt (14)；Described insulated wire cores (11) is conductor (11-1) and thinwalled insulation (11-2) from the inside to the outside；
Described often bundle limit gap is filled cotton cord radical in cotton cord (2) and is determined according to formula: S=1.263D2/(0.7854×6d2), D
For the external diameter of core (1), d is the external diameter of cotton thread, and S is cotton cord radical.
A kind of wisdom energy EMUs thin-walled cable the most according to claim 1, it is characterised in that lead described in:
The sectional area of body (11-1) is 0.5mm2, the tin-coated copper wire using 19 string diameters to be 0.18mm by pitch more than 16mm
Stranded；Described thinwalled insulation (11-2) thickness is 0.18mm；Described inner sheath (12) thickness is 0.15mm；First
Shielding layer of copper wires (13) and the second shielding layer of copper wires (4) are proof copper-wire braided, and count is 80%；Described first
Polyester belt (14), the second polyester belt (3) and the 3rd polyester belt (5) thickness are 0.05mm, and width is 5mm,
The rate of putting up 20%～25% of polyester belt；Described thin-walled sheath (6) thickness is 0.20mm.
A kind of wisdom energy EMUs thin-walled cable the most according to claim 2, it is characterised in that: the first bronze medal
The copper wire string diameter of silk screen layer (13) is 0.15mm, and number of spindles is 16, and every ingot radical is 5, and pitch is not more than 25mm；
The copper wire string diameter of described second shielding layer of copper wires (4) is 0.15mm, and number of spindles is 32, and every ingot radical is 5, pitch
It is not more than 60mm.
A kind of wisdom energy EMUs thin-walled cable, it is characterised in that: described core
(1) one, center is used, the arrangement architecture of the peripheral six roots of sensation；Described limit gap is filled cotton cord (2) and is filled in adjacent lines respectively
In 6 gaps between core (1), limit gap fills a diameter of 0.3mm of cotton cord (2), and sectional area is 2.58mm2,
Cotton thread radical is 36.
A kind of wisdom energy EMUs thin-walled cable, it is characterised in that: described thin-walled
Insulation (11-2), inner sheath (12) and thin-walled sheath (6) all use the S2 type irradiation meeting EN50306 standard to hand over
Connection polyolefin polymer.
6. the production technology of a wisdom energy EMUs thin-walled cable, it is characterised in that comprise the steps of
Step one: determine the construction of cable as claimed in claim 5；
Step 2: the preparation of insulated wire cores (11): conductor (11-1) uses tinned copper wire stranded, and radical is 19, silk
Footpath is 0.18mm, and arrangement mode is internal layer 1, secondary outer layer 6, outer layer 12, and twisting pitch is more than 16mm,
The Buddha's warrior attendant mould using aperture to be 0.9mm presses；Thinwalled insulation (11-2) is cross-linking radiation polyolefin polymer, and thin-walled is exhausted
The thickness of edge (11-2) is 0.18mm；Every 2 insulated wire cores (11) one lines pair of stranded composition, totally 7 lines pair,
Each line strand pitch is not more than 15mm；Externally extrude inner sheath (12) at each line, weave the first brass wire shielding
Layer (13) and wrapped first polyester belt (14)；Inner sheath (12) uses cross-linking radiation polyolefin polymer, inner sheath
Thickness is 0.15mm；First shielding layer of copper wires (13) is proof copper-wire braided, and count is 80%, and copper wire string diameter is
0.15mm, number of spindles is 16, and every ingot radical is 5, and pitch is not more than 25mm；First polyester belt (11-5) puts up
Rate 20%～25%；
Step 3: prepare cable core: 7 cores are carried out stranding, centered by arrangement mode one, the 1+6 of the peripheral six roots of sensation
Mode, fill limit gap between adjacent core (1) and fill cotton cord (2), the most wrapped second polyester belt (3), polyester
The rate of putting up 20%～25% of band；
Step 4: weave outward the second shielding layer of copper wires (4), described second shielding layer of copper wires (4) at the second polyester belt (3)
For proof copper-wire braided, count is 80%；Copper wire string diameter is 0.15mm, and number of spindles is 32, and every ingot radical is 5, joint
Away from no more than 60mm；
Step 5: at the second shielding layer of copper wires (4) outward around the 3rd polyester belt (5), the rate of putting up 20%～25% of polyester belt；
Step 6: extrude thin-walled sheath (6) outside the 3rd polyester belt (5), sheath (6) is that cross-linking radiation polyolefin gathers
Compound, sheath (6) thickness is 0.2mm；
Step 7: use electron accelerator to carry out cross-linking radiation.
A kind of production technology of wisdom energy EMUs thin-walled cable, it is characterised in that:
In described step 2, the procedure of processing of thinwalled insulation (11-2) is: use the pre-heat conductor of vicarious pre-heating device (11), when
When the temperature of conductor (11) reaches 100 DEG C-120 DEG C, using plsitive mold extrusion insulant, body temperature is 190 DEG C,
Head extrusion temperature is 220 DEG C；Insulated wire cores (11) is soaked in the water of 80 DEG C and is tempered half an hour.
A kind of production technology of wisdom energy EMUs thin-walled cable, it is characterised in that:
In described step 3, limit gap fills a diameter of 0.3mm of cotton cord (2), and volume is 2.58mm3, cotton thread radical is 36
Root.
A kind of production technology of wisdom energy EMUs thin-walled cable, it is characterised in that:
Taking overall irradiation in described step 7, irradiation energy is 1.5Mev, and irradiation dose is 3.0m/min/mA.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105304186A (en) * | 2015-11-17 | 2016-02-03 | 东莞市欧亚电线电缆有限公司 | Bending-resistant robot signal cable |
| CN105719773A (en) * | 2016-02-04 | 2016-06-29 | 远东电缆有限公司 | Smart energy large-section locomotive electric wire production process |
| CN107274989B (en) * | 2017-05-03 | 2023-05-19 | 远东电缆有限公司 | Intelligent energy high-speed rail high-wear-resistant high-temperature-resistant cable and production process thereof |
| CN109065265A (en) * | 2018-08-14 | 2018-12-21 | 重庆瑞普电气实业股份有限公司 | A kind of production method of the motor winding wire of the resistance to electromagnetic radiation of corrosion-and high-temp-resistant |
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