CN204834105U - Wisdom energy is thin wall cable for EMUs - Google Patents
Wisdom energy is thin wall cable for EMUs Download PDFInfo
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- CN204834105U CN204834105U CN201520555514.3U CN201520555514U CN204834105U CN 204834105 U CN204834105 U CN 204834105U CN 201520555514 U CN201520555514 U CN 201520555514U CN 204834105 U CN204834105 U CN 204834105U
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Abstract
The utility model discloses a wisdom energy is thin wall cable for EMUs, the cable is by interior cable core, second polyester area, second copper wire shielding layer, third polyester area and the thin wall sheath of being in proper order outside to, the cable core includes seven sinle silks and fills six bundles of limit gap filling cotton cords between sinle silk and second polyester area, every sinle silk from interior to exterior includes two insulation core, inner sheath, first copper wire shielding layer and first polyester area, insulation core from interior to exterior is the conductor and the thin wall is insulating, the cotton cord radical is confirmed according to the formula in every bundle of limit gap filling cotton cord: S=1.263D2 (0.7854 6d2), D is the external diameter of sinle silk, and d is the external diameter of cotton thread. The utility model discloses a cable structure is compact, the outward appearance rounding, and the outside diameter of cable is little, and the compliance is high, the superior performance.
Description
Technical field
The utility model relates to locomotive cable field, refers in particular to a kind of wisdom energy motor train unit thin-walled cable.
Background technology
Motor train unit technology develop rapidly in recent years, intra-locomotive equipment also becomes increasingly complex, thus the demand of cable is increased, and interior space is very limited, require the outside diameter of cable little and compact conformation, but traditional processing technology cannot meet the production of high accuracy cable, therefore need to improve the structure of cable and processing technology.Motor train unit thin-walled cable is used for the connecting of motor train unit inside, and lays narrow space, requires very high to the roundness of cable, external diameter and pliability.In order to reduce, the outside diameter of cable can only be reduced by conductor diameter and insulate, sheath reduces thickness and realizes, and therefore need to make following improvement: 1. conductor arrangement is compact, twisting pitch reduces, and adopts suitable mould to press; 2. insulating material requires high flame retardant, high-insulativity, high strength and splendid heat-resisting cold tolerance, the quenching taking suitable measure to avoid insulating and the percentage elongation that causes declines and hardness increases; 3. fill full during cable cabling, the cotton cord that therefore opposite side gap is filled will calculate accurately; 4. jacket thickness reduces, and adopts squash type to produce, ensures construction of cable rounding, apparent smooth.
Utility model content
The purpose of this utility model is to provide a kind of wisdom energy motor train unit thin-walled cable.
The technical scheme realizing the utility model object is a kind of wisdom energy motor train unit thin-walled 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 comprises seven cores and the six bundle limit gaps be filled between core and the second polyester belt fill cotton cord; Described every root core comprises 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=1.263D
2/ (0.7854 × 6d
2), D is the external diameter of core, and d is the external diameter of cotton thread.
The sectional area of described conductor is 0.5mm
2, adopt 19 rhizoid footpaths to be that the tin-coated copper wire of 0.18mm is greater than 16mm by pitch stranded; Described thinwalled insulation thickness is 0.18mm; Described inner sheath thickness is 0.15mm; First shielding layer of copper wires 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 the 3rd polyester tape thickness are 0.05mm, and width is 5mm, the rate of putting up 20% ~ 25% of polyester belt; Described thin-walled jacket 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, and pitch is not more than 60mm.
Described core adopts one, center, the arrangement architecture of the peripheral six roots of sensation; Described limit gap is filled cotton cord and is filled in 6 gaps between adjacent core respectively, and the diameter that limit gap fills cotton cord is 0.3mm, and sectional area is 2.58mm
2, cotton thread radical is 36.
Described thinwalled insulation, inner sheath and thin-walled sheath all adopt the S2 type cross-linking radiation polyolefin polymer meeting EN50306 standard.
Adopt technique scheme, the utility model patent has following beneficial outcomes: (1) due to the insulation of cable of the present utility model and sheath very thin, easily occur not rounding, therefore the utility model is through large quantity research and accurate Calculation, determine the computing formula of filling cotton cord, make the roundness substantially increasing cable, the construction of cable is compact, outward appearance rounding, the outside diameter of cable is little, pliability is high, and pull resistance is good, superior performance.
(2) conductor of the present utility model adds and adopts man-hour tinned copper wire stranded, and radical is 19, and string diameter is 0.18mm, and arrangement mode is internal layer 1, secondary outer 6, and outer 12, twisting pitch is greater than 16mm, adopts aperture to be that the Buddha's warrior attendant mould of 0.9mm presses; Effectively reduce the burr of conductor diameter and conductive surface, effectively raise the roundness of conductor simultaneously.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model.
Attached number in the figure is: core 1, insulated wire cores 11, conductor 11-1, thinwalled insulation 11-2, inner sheath 12, first shielding layer of copper wires 13, first polyester belt 14, limit gap fill cotton cord 2, second polyester belt 3, second shielding layer of copper wires 4, the 3rd polyester belt 5, thin-walled sheath 6.
Embodiment
(embodiment 1)
See Fig. 1, a kind of wisdom energy motor train unit thin-walled cable of the present embodiment, be followed successively by cable core, the second polyester belt 3, second shielding layer of copper wires 4, the 3rd polyester belt 5 and thin-walled sheath 6 from inside to outside; Cable core comprises seven cores 1 and the six bundle limit gaps be filled between core 1 and the second polyester belt 3 fill cotton cord 2; Every root core 1 comprises two insulated wire cores 11, inner sheath 12, first shielding layer of copper wires 13 and the first polyester belt 14 from the inside to the outside; Insulated wire cores 11 is conductor 11-1 and thinwalled insulation 11-2 from the inside to the outside; Often restraint cotton cord radical in limit gap filling cotton cord 2 to determine according to formula: S=1.263D
2/ 0.7854 × 6d
2, 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 0.5mm
2, adopt 19 rhizoid footpaths to be that the tin-coated copper wire of 0.18mm is greater than 16mm by pitch stranded; 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 proof copper-wire braided, and count is 80%; First polyester belt 14, 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; Thin-walled sheath 6 thickness is 0.20mm.The copper wire string diameter of the first shielding layer of copper wires 11-4 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 adopts one, center, the arrangement architecture of the peripheral six roots of sensation; Limit gap is filled cotton cord 2 and is filled in 6 gaps between adjacent core 1 respectively, and the diameter that limit gap fills cotton cord 2 is 0.3mm, and sectional area is 2.58mm
2, cotton thread radical is 36.Thinwalled insulation 11-2, inner sheath 12 and thin-walled sheath 6 all adopt the S2 type cross-linking radiation polyolefin polymer meeting EN50306 standard.
Above-described specific embodiment; the object of the utility model patent, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. a wisdom energy motor train unit thin-walled cable, is characterized in that: be followed successively by cable core, the second polyester belt (3), the second shielding layer of copper wires (4), the 3rd polyester belt (5) and thin-walled sheath (6) from inside to outside; Described cable core comprises seven cores (1) and the six bundle limit gaps be filled between core (1) and the second polyester belt (3) fill cotton cord (2); Described every root core (1) comprises two insulated wire cores (11), inner sheath (12), the first shielding layer of copper wires (13) and the first polyester belt (14) from the inside to the outside; Described insulated wire cores (11) is conductor (11-1) and thinwalled insulation (11-2) from the inside to the outside; The described middle cotton cord radical in limit gap filling cotton cord (2) of often restrainting is determined according to formula: S=1.263D
2/ (0.7854 × 6d
2), D is the external diameter of core (1), and d is the external diameter of cotton thread.
2. a kind of wisdom energy motor train unit thin-walled cable according to claim 1, is characterized in that: the sectional area of described conductor (11-1) is 0.5mm
2, adopt 19 rhizoid footpaths to be that the tin-coated copper wire of 0.18mm is greater than 16mm by pitch 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.
3. a kind of wisdom energy motor train unit thin-walled cable according to claim 2, is characterized in that: the copper wire string diameter of the first shielding layer of copper wires (11-4) 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, and pitch is not more than 60mm.
4. a kind of wisdom energy motor train unit thin-walled cable according to claim 3, is characterized in that: described core (1) adopts one, center, the arrangement architecture of the peripheral six roots of sensation; Described limit gap is filled cotton cord (2) and is filled in 6 gaps between adjacent core (1) respectively, and the diameter that limit gap fills cotton cord (2) is 0.3mm, and sectional area is 2.58mm
2, cotton thread radical is 36.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555514.3U CN204834105U (en) | 2015-07-28 | 2015-07-28 | Wisdom energy is thin wall cable for EMUs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555514.3U CN204834105U (en) | 2015-07-28 | 2015-07-28 | Wisdom energy is thin wall cable for EMUs |
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| Publication Number | Publication Date |
|---|---|
| CN204834105U true CN204834105U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520555514.3U Active CN204834105U (en) | 2015-07-28 | 2015-07-28 | Wisdom energy is thin wall cable for EMUs |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006282A (en) * | 2015-07-28 | 2015-10-28 | 远东电缆有限公司 | Thin-wall cable used for smart energy motor train unit and production technology thereof |
-
2015
- 2015-07-28 CN CN201520555514.3U patent/CN204834105U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006282A (en) * | 2015-07-28 | 2015-10-28 | 远东电缆有限公司 | Thin-wall cable used for smart energy motor train unit and production technology thereof |
| CN105006282B (en) * | 2015-07-28 | 2016-12-07 | 远东电缆有限公司 | A kind of wisdom energy EMUs thin-walled cable and production technology thereof |
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| GR01 | Patent grant |