CN204857218U - Wisdom energy is fire -retardant high -pressure flexible cable of low smoke and zero halogen for EMUs - Google Patents
Wisdom energy is fire -retardant high -pressure flexible cable of low smoke and zero halogen for EMUs Download PDFInfo
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- CN204857218U CN204857218U CN201520556032.XU CN201520556032U CN204857218U CN 204857218 U CN204857218 U CN 204857218U CN 201520556032 U CN201520556032 U CN 201520556032U CN 204857218 U CN204857218 U CN 204857218U
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Abstract
The utility model discloses a wisdom energy is fire -retardant high -pressure flexible cable of low smoke and zero halogen for EMUs, the cable is by interior conductor, semiconductive nylon tape, semiconduction internal shield layer, EP rubbers insulating layer, peelable semiconduction external shielding layer, high fire -retardant semiconduction area, copper wire shielding layer, the fire -retardant ribbons of glass of first height, the high fire -retardant ribbons of glass of second, inner sheath and the oversheath of being in proper order outside to, the inner sheath exceedes 50% high flame retardant rubber for the oxygen index (OI). The utility model discloses a structure of cable adopts the structure of high fire -retardant semiconduction area, the fire -retardant ribbons of glass of first height, the high fire -retardant ribbons of glass of second and inner sheath, and fire resistance and luminousness are all showing and improve.
Description
Technical field
The utility model relates to locomotive cable field, refers in particular to a kind of wisdom energy motor train unit low-smoke non-halogen flame-retardant high-voltage flexible cable.
Background technology
Motor train unit technology develop rapidly in recent years, requires very high to supporting cable performance simultaneously.Motor train unit requires that cable has the characteristics such as high flame retardant, low cigarette, halogen-free environmental.Motor train unit high-voltage flexible cable is used for being connected of the outer High-Voltage Electrical Appliances of high ferro and traction transformer, very near with passenger's distance, therefore requires cable high flame retardant and burning release smoke which is little, can continue the power supply of short time, be beneficial to the escape of passenger when breaking out of fire.The amount of being fuming when therefore needing to carry out improving to improve on the construction of cable fire resistance of cable and reduce burning.In addition, because this cable is rubber sheath, add man-hour requirement to carry out in continuous vulcanization jet chimney, the length of curing tube is more than 100m, therefore must be greater than 100 meters when sheath operation is manufactured experimently, if test failure still needs again to manufacture experimently, cause very large waste, therefore need the sheath developing short section of a kind of new explained hereafter for the fire-retardant of test cable and light transmittance, can effectively cut the waste.
Utility model content
The purpose of this utility model is to provide a kind of wisdom energy motor train unit low-smoke non-halogen flame-retardant high-voltage flexible cable.
The technical scheme realizing the utility model object is a kind of wisdom energy motor train unit low-smoke non-halogen flame-retardant high-voltage flexible cable, and cable is followed successively by conductor, semiconductive nylon tape, semiconductive internal shield, ethylene propylene rubber insulated layer, strippable semi-conductive outer shielding layer, high flame retardant semi-conductive tape, shielding layer of copper wires, the first high flame retardant glass tape, the second high flame retardant glass tape, inner sheath and oversheath from inside to outside; Described inner sheath is the high flame retardant rubber of oxygen index more than 50%.
Described conductor is five class tinned copper conductors, and twisting pitch is no more than 12 times of conductor diameter; The thickness of described semiconductive nylon tape is 0.1mm, and width is 40mm, and the rate of putting up is 20% ~ 25%; The thickness of described semiconductive internal shield is 0.8mm; The thickness of described ethylene propylene rubber insulated layer is 10.5mm; The thickness of described strippable semi-conductive outer shielding layer is 0.8mm; Described shielding layer of copper wires is that tinned copper wire is dredged around shielding, and the sectional area of brass wire shielding is 16mm
2; Described high flame retardant semi-conductive tape thickness is 0.2mm, and width is 60mm, puts up rate 20% ~ 25%; The width of the first high flame retardant glass tape and the second high flame retardant glass tape is 60mm, and the rate of putting up is 40% ~ 50%; Inner sheath thickness is 1.5mm, and described oversheath thickness is 2.0mm.
Adopt technique scheme, the utility model patent has following beneficial outcomes: the structure of (1) cable of the present utility model adopts the structure of high flame retardant semi-conductive tape, the first high flame retardant glass tape, the second high flame retardant glass tape and inner sheath, and anti-flammability and light transmittance all significantly improve.
(2) cable inner sheath of the present utility model adopts the high flame retardant rubber of oxygen index more than 50%, effectively can delay the time that flame enters cable internal layer; First high flame retardant glass tape and the second high flame retardant glass tape have splendid fire resistance, can stop most of flame, improve the fire-retardant of cable and light transmittance; High flame retardant semi-conductive tape, has fire-retardant and semiconductive function concurrently; Therefore anti-flammability and the light transmittance of cable is effectively raised.
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 construction of cable schematic diagram of the present utility model.
Fig. 2 is jacket mould schematic diagram of the present utility model.
Attached number in the figure is:
Conductor 1, semiconductive nylon tape 2, semiconductive internal shield 3, ethylene propylene rubber insulated layer 4, strippable semi-conductive outer shielding layer 5, high flame retardant semi-conductive tape 6, shielding layer of copper wires 7, first high flame retardant glass tape 8, second high flame retardant glass tape 9, inner sheath 10, oversheath 11, cope match-plate pattern 21, pin 21-1, inner sheath upper cavity 21-2, oversheath upper cavity 21-3, lower bolster 22, draw-in groove 22-1, inner sheath lower mode cavity 22-2, oversheath lower mode cavity 22-3.
Embodiment
(embodiment 1)
See Fig. 1, a kind of wisdom energy motor train unit low-smoke non-halogen flame-retardant high-voltage flexible cable of the present embodiment, cable is followed successively by conductor 1, semiconductive nylon tape 2, semiconductive internal shield 3, ethylene propylene rubber insulated layer 4, strippable semi-conductive outer shielding layer 5, high flame retardant semi-conductive tape 6, shielding layer of copper wires 7, first high flame retardant glass tape 8, second high flame retardant glass tape 9, inner sheath 10 and oversheath 11 from inside to outside; Inner sheath 10 is the high flame retardant rubber of oxygen index more than 50%.Conductor 1 is five class tinned copper conductors, and twisting pitch is no more than 12 times of conductor 1 external diameter; The thickness of semiconductive nylon tape 2 is 0.1mm, and width is 40mm, and the rate of putting up is 20% ~ 25%; The thickness of semiconductive internal shield 3 is 0.8mm; The thickness of ethylene propylene rubber insulated layer 4 is 10.5mm; The thickness of strippable semi-conductive outer shielding layer 5 is 0.8mm; Shielding layer of copper wires 7 for tinned copper wire dredge around shielding, the sectional area of brass wire shielding is 16mm
2; High flame retardant semi-conductive tape 6 thickness is 0.2mm, and width is 60mm, puts up rate 20% ~ 25%; The width of the first high flame retardant glass tape 8 and the second high flame retardant glass tape 9 is 60mm, and the rate of putting up is 40% ~ 50%; Inner sheath 10 thickness is 1.5mm, and oversheath 11 thickness is 2.0mm.
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 (2)
1. a wisdom energy motor train unit low-smoke non-halogen flame-retardant high-voltage flexible cable, is characterized in that: cable is followed successively by conductor (1), semiconductive nylon tape (2), semiconductive internal shield (3), ethylene propylene rubber insulated layer (4), strippable semi-conductive outer shielding layer (5), high flame retardant semi-conductive tape (6), shielding layer of copper wires (7), the first high flame retardant glass tape (8), the second high flame retardant glass tape (9), inner sheath (10) and oversheath (11) from inside to outside; Described inner sheath (10) is the high flame retardant rubber of oxygen index more than 50%.
2. a kind of wisdom energy motor train unit low-smoke non-halogen flame-retardant high-voltage flexible cable according to claim 1, is characterized in that: described conductor (1) is five class tinned copper conductors, and twisting pitch is no more than 12 times of conductor (1) external diameter; The thickness of described semiconductive nylon tape (2) is 0.1mm, and width is 40mm, and the rate of putting up is 20% ~ 25%; The thickness of described semiconductive internal shield (3) is 0.8mm; The thickness of described ethylene propylene rubber insulated layer (4) is 10.5mm; The thickness of described strippable semi-conductive outer shielding layer (5) is 0.8mm; Described shielding layer of copper wires (7) for tinned copper wire dredge around shielding, the sectional area of brass wire shielding is 16mm
2; Described high flame retardant semi-conductive tape (6) thickness is 0.2mm, and width is 60mm, puts up rate 20% ~ 25%; The width of the first high flame retardant glass tape (8) and the second high flame retardant glass tape (9) is 60mm, and the rate of putting up is 40% ~ 50%; Inner sheath (10) thickness is 1.5mm, and described oversheath (11) thickness is 2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520556032.XU CN204857218U (en) | 2015-07-28 | 2015-07-28 | Wisdom energy is fire -retardant high -pressure flexible cable of low smoke and zero halogen for EMUs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520556032.XU CN204857218U (en) | 2015-07-28 | 2015-07-28 | Wisdom energy is fire -retardant high -pressure flexible cable of low smoke and zero halogen for EMUs |
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| Publication Number | Publication Date |
|---|---|
| CN204857218U true CN204857218U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520556032.XU Active CN204857218U (en) | 2015-07-28 | 2015-07-28 | Wisdom energy is fire -retardant high -pressure flexible cable of low smoke and zero halogen for EMUs |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023642A (en) * | 2015-07-28 | 2015-11-04 | 远东电缆有限公司 | Low-smoke zero-halogen flame-retardant high-voltage flexible cable for smart energy motor train unit and production process |
| US10937569B2 (en) | 2018-03-28 | 2021-03-02 | General Cable Technologies Corporation | Fire resistant data communication cable |
-
2015
- 2015-07-28 CN CN201520556032.XU patent/CN204857218U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023642A (en) * | 2015-07-28 | 2015-11-04 | 远东电缆有限公司 | Low-smoke zero-halogen flame-retardant high-voltage flexible cable for smart energy motor train unit and production process |
| CN105023642B (en) * | 2015-07-28 | 2017-01-04 | 远东电缆有限公司 | A kind of the wisdom energy EMUs low-smoke non-halogen flame-retardant high-voltage flexible cable and production technology |
| US10937569B2 (en) | 2018-03-28 | 2021-03-02 | General Cable Technologies Corporation | Fire resistant data communication cable |
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| C14 | Grant of patent or utility model | ||
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