CN204834090U - High -pressure flexible cable is used to wisdom energy EMUs - Google Patents
High -pressure flexible cable is used to wisdom energy EMUs Download PDFInfo
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- CN204834090U CN204834090U CN201520504137.0U CN201520504137U CN204834090U CN 204834090 U CN204834090 U CN 204834090U CN 201520504137 U CN201520504137 U CN 201520504137U CN 204834090 U CN204834090 U CN 204834090U
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Abstract
The utility model discloses a high -pressure flexible cable is used to wisdom energy EMUs is by interior in proper order for conductor, a semiconductive nylon tape, semiconduction internal shield layer, EP rubbers insulating layer, peelable semiconduction external shielding layer, the 2nd semiconductive nylon tape, copper wire shielding layer, first semiconduction do not have steamed high fire -retardant area, the second semiconduction does not have steamed high fire -retardant area and sheath outside to, the formula of copper wire shielding layer: S= pi / 4dd7N, d are copper wire silk footpath, and N is the strand number, per sharely contain 7 copper wires to adopt the structure of the peripheral six roots of sensation copper wire of copper wire at the center. The utility model discloses a cable structure optimizes rationally, bend radius 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 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.Because various places, the motor-car four corners of the world are run, therefore to cable cold-resistant, heat resistant requirements is very high.Motor train unit cable environment for use meeting contact mineral oil, fuel oil, salt solution etc., therefore require that cable cover(ing) has good oil resistance and moisture-proof.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, needs less bending radius, require very high to the pliability of cable when laying.
Utility model content
The purpose of this utility model is to provide a kind of wisdom energy motor train unit high-voltage flexible cable.
The technical scheme realizing the utility model object is a kind of wisdom energy motor train unit high-voltage flexible cable, is followed successively by conductor, the first semiconductive nylon tape, semiconductive internal shield, ethylene propylene rubber insulated layer, strippable semi-conductive outer shielding layer, the second semiconductive nylon tape, shielding layer of copper wires, the first semiconductive halogen-free high flame-retardant band, the second semiconductive halogen-free high flame-retardant band and sheath from inside to outside; The computing formula of described shielding layer of copper wires: S=π/4*d*d*7*N, d are copper wire string diameter, N is strand number, per sharely comprises 7 copper wires, and adopts the structure of the peripheral six roots of sensation copper wire of one, center copper wire.
Described conductor is five class tinned copper conductors, and twisting pitch is no more than 12 times of conductor diameter; Described first semiconductive nylon tape thickness is 0.1mm, and width is 40mm, the rate of putting up 20% ~ 25% of semiconductive nylon tape; Described semiconductive internal shield thickness is 0.8mm; Described ethylene propylene rubber insulated layer thickness is 10.5mm; Described strippable semi-conductive outer shielding layer thickness is 0.8mm; Described second semiconductive nylon tape thickness is 0.1mm, and width is 60mm, the rate of putting up 20% ~ 25% of semiconductive nylon tape; Described first semiconductive halogen-free high flame-retardant band and the second semiconductive halogen-free high flame-retardant tape thickness are 0.1mm, and width is 60mm, the rate of putting up 20% ~ 25% of semiconductive nylon tape; Described jacket thickness is 3.5mm.
Described shielding layer of copper wires shielding layer of copper wires sectional area is 25mm
2, copper wire string diameter is 0.25mm, and strand number is 73 strands, per sharely comprises 7 copper wires; Or described shielding layer of copper wires shielding layer of copper wires sectional area is 50mm
2, copper wire string diameter is 0.30mm, and strand number is 101 strands.
Described ethylene propylene rubber insulated layer adopts the novel 3GI3 ultra-clean meeting VDE standard ethylene propylene rubber insulated; Described sheath adopts the oil resistant flame-proof environmental protection ethylene vinyl acetate mixture meeting VDE standard.
Adopt technique scheme, the utility model patent has following beneficial outcomes: the optimization of (1) construction of cable of the present utility model is reasonable, bending radius is little, and pliability is high, superior performance.
(2) tinned copper wire of the present utility model is dredged around shielding construction, and pliability significantly improves, and bending radius is reduced to 10D from 16D (D is the outside diameter of cable), and copper wire is dredged around the sectional area shielded by 16mm
250mm can be brought up to
2problems such as overcoming the single copper wire of domestic current employing to dredge and lay out existing following problem: copper wire is dredged the cable pliability caused around shielding string diameter excessive (d>=0.60mm) and significantly reduced, string diameter too small (d>=0.49mm) adds and easily occurs fracture of wire man-hour, jump silk, sectional area is inadequate.
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: conductor 1, first semiconductive nylon tape 2, semiconductive internal shield 3, ethylene propylene rubber insulated layer 4, strippable semi-conductive outer shielding layer 5, second semiconductive nylon tape 6, shielding layer of copper wires 7, first semiconductive halogen-free high flame-retardant band 8, second semiconductive halogen-free high flame-retardant band 9, sheath 10.
Embodiment
(embodiment 1)
See Fig. 1, a kind of wisdom energy motor train unit high-voltage flexible cable of the present embodiment, is followed successively by conductor 1, first semiconductive nylon tape 2, semiconductive internal shield 3, ethylene propylene rubber insulated layer 4, strippable semi-conductive outer shielding layer 5, second semiconductive nylon tape 6, shielding layer of copper wires 7, first semiconductive halogen-free high flame-retardant band 8, second semiconductive halogen-free high flame-retardant band 9 and sheath 10 from inside to outside; The computing formula of shielding layer of copper wires 7: S=π/4*d*d*7*N, d are copper wire string diameter, N is strand number, per sharely comprises 7 copper wires, and adopts the structure of the peripheral six roots of sensation copper wire of one, center copper wire.Conductor 1 is five class tinned copper conductors, and twisting pitch is no more than 12 times of conductor 1 external diameter; First semiconductive nylon tape 2 thickness is 0.1mm, and width is 40mm, the rate of putting up 20% ~ 25% of semiconductive nylon tape; Semiconductive internal shield 3 thickness is 0.8mm; Ethylene propylene rubber insulated layer 4 thickness is 10.5mm; Strippable semi-conductive outer shielding layer 5 thickness is 0.8mm; Second semiconductive nylon tape 6 thickness is 0.1mm, and width is 60mm, the rate of putting up 20% ~ 25% of semiconductive nylon tape; First semiconductive halogen-free high flame-retardant band 8 and the second semiconductive halogen-free high flame-retardant band 9 thickness are 0.1mm, and width is 60mm, the rate of putting up 20% ~ 25% of semiconductive nylon tape; Sheath 10 thickness is 3.5mm.Shielding layer of copper wires 7 shielding layer of copper wires 7 sectional area is 25mm
2, copper wire string diameter is 0.25mm, and strand number is 73 strands, per sharely comprises 7 copper wires; Or shielding layer of copper wires 7 shielding layer of copper wires 7 sectional area is 50mm
2, copper wire string diameter is 0.30mm, and strand number is 101 strands.Ethylene propylene rubber insulated layer 4 adopts the novel 3GI3 ultra-clean meeting VDE standard ethylene propylene rubber insulated; Sheath 10 adopts the oil resistant flame-proof environmental protection ethylene vinyl acetate mixture meeting VDE 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 (3)
1. a wisdom energy motor train unit high-voltage flexible cable, is characterized in that: be followed successively by conductor (1), the first semiconductive nylon tape (2), semiconductive internal shield (3), ethylene propylene rubber insulated layer (4), strippable semi-conductive outer shielding layer (5), the second semiconductive nylon tape (6), shielding layer of copper wires (7), the first semiconductive halogen-free high flame-retardant band (8), the second semiconductive halogen-free high flame-retardant band (9) and sheath (10) from inside to outside; The computing formula of described shielding layer of copper wires (7): S=π/4*d*d*7*N, d are copper wire string diameter, N is strand number, per sharely comprises 7 copper wires, and adopts the structure of the peripheral six roots of sensation copper wire of one, center copper wire.
2. a kind of wisdom energy motor train unit 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; Described first semiconductive nylon tape (2) thickness is 0.1mm, and width is 40mm, the rate of putting up 20% ~ 25% of semiconductive nylon tape; Described semiconductive internal shield (3) thickness is 0.8mm; Described ethylene propylene rubber insulated layer (4) thickness is 10.5mm; Described strippable semi-conductive outer shielding layer (5) thickness is 0.8mm; Described second semiconductive nylon tape (6) thickness is 0.1mm, and width is 60mm, the rate of putting up 20% ~ 25% of semiconductive nylon tape; Described first semiconductive halogen-free high flame-retardant band (8) and the second semiconductive halogen-free high flame-retardant band (9) thickness are 0.1mm, and width is 60mm, the rate of putting up 20% ~ 25% of semiconductive nylon tape; Described sheath (10) thickness is 3.5mm.
3. a kind of wisdom energy motor train unit high-voltage flexible cable according to claim 2, is characterized in that: described shielding layer of copper wires (7) shielding layer of copper wires (7) sectional area is 25mm
2, copper wire string diameter is 0.25mm, and strand number is 73 strands, per sharely comprises 7 copper wires; Or described shielding layer of copper wires (7) shielding layer of copper wires (7) sectional area is 50mm
2, copper wire string diameter is 0.30mm, and strand number is 101 strands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504137.0U CN204834090U (en) | 2015-07-13 | 2015-07-13 | High -pressure flexible cable is used to wisdom energy EMUs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504137.0U CN204834090U (en) | 2015-07-13 | 2015-07-13 | High -pressure flexible cable is used to wisdom energy EMUs |
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| Publication Number | Publication Date |
|---|---|
| CN204834090U true CN204834090U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520504137.0U Active CN204834090U (en) | 2015-07-13 | 2015-07-13 | High -pressure flexible cable is used to wisdom energy EMUs |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047265A (en) * | 2015-07-13 | 2015-11-11 | 远东电缆有限公司 | High-voltage flexible cable for smart energy motor train unit and production technology thereof |
| CN108417299A (en) * | 2018-01-20 | 2018-08-17 | 新疆鑫卓达线缆有限公司 | Flame-retardant high-voltage cable |
-
2015
- 2015-07-13 CN CN201520504137.0U patent/CN204834090U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047265A (en) * | 2015-07-13 | 2015-11-11 | 远东电缆有限公司 | High-voltage flexible cable for smart energy motor train unit and production technology thereof |
| CN108417299A (en) * | 2018-01-20 | 2018-08-17 | 新疆鑫卓达线缆有限公司 | Flame-retardant high-voltage cable |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |