CN204496966U - 6.6kV naval vessel midium voltage cable - Google Patents
6.6kV naval vessel midium voltage cable Download PDFInfo
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- CN204496966U CN204496966U CN201520164583.1U CN201520164583U CN204496966U CN 204496966 U CN204496966 U CN 204496966U CN 201520164583 U CN201520164583 U CN 201520164583U CN 204496966 U CN204496966 U CN 204496966U
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Abstract
The utility model discloses a kind of 6.6kV naval vessel midium voltage cable, its main points are: comprise master core, polypropylene packed layer, inner sheath, lapped shielding layer, woven shield and oversheath.Master core has 3, and the structure of 3 master cores is identical.3 master cores are along the angle setting at equal intervals of power cable circumference.3 master cores all along its separately radial direction be provided with conductor, the first semiconductive shielding layer, insulating barrier, the second semiconductive shielding layer and phase-splitting screen from inside to outside successively.Polypropylene packed layer is extruded between 3 master cores.3 master cores and polypropylene packed layer periphery are extruded with inner sheath.Inner sheath adopts halogen-free polyolefin to be made.Lapped shielding layer is made up of aluminum plastic belt, and lapped shielding layer is wrapped to be arranged on inner sheath.Woven shield is woven by tinned copper wire or zinc-coated wire and forms, and is positioned at the outside of lapped shielding layer.Oversheath is made by low smoke and zero halogen oil resistant solidity polyolefin.Oversheath is coated on the outside of woven shield.
Description
Technical field
The utility model relates to shipboard cable, is specially a kind of 6.6kV naval vessel midium voltage cable.
Background technology
Stube cable for the impeller driven on naval vessel is generally 0.6/1kV and following power cable.But, for the naval vessel of large-tonnage and the high speed of a ship or plane, then need to increase cross section to meet powerful requirement, the corresponding volume and weight adding cable.
Utility model content
The purpose of this utility model is to provide that a kind of structure is simple, good reliability, improve the naval vessel midium voltage cable of the rated voltage 6.6kV of cable transmission power when the cross-section of cable does not increase.
The basic technical scheme realizing the utility model object is: a kind of 6.6kV naval vessel midium voltage cable, and its design feature is: comprise master core, polypropylene packed layer, inner sheath, lapped shielding layer, woven shield and oversheath.Master core has 3, and the structure of 3 master cores is identical.3 master cores are along the angle setting at equal intervals of power cable circumference.3 master cores all along its separately radial direction be provided with conductor, the first semiconductive shielding layer, insulating barrier, the second semiconductive shielding layer and phase-splitting screen from inside to outside successively.Polypropylene packed layer is extruded between 3 master cores.3 master cores and polypropylene packed layer periphery are extruded with inner sheath.Inner sheath adopts halogen-free polyolefin to be made.Lapped shielding layer is made up of aluminum plastic belt, and lapped shielding layer is wrapped to be arranged on inner sheath.Woven shield is woven by tinned copper wire or zinc-coated wire and forms, and is positioned at the outside of lapped shielding layer.Oversheath is made by low smoke and zero halogen oil resistant solidity polyolefin.Oversheath is coated on the outside of woven shield.
Technical scheme based on above-mentioned basic technical scheme is: the conductor of master core is identical by some filament diameters, the copper wire of nominal cross 25 to 120 square millimeters or form plating copper wire stranded pressing.
Technical scheme based on above-mentioned appropriate technical solution is: the first semiconductive shielding layer is made up of middle pressure semiconductive conductor screen material.First semiconductive shielding layer is extruded in the outside of conductor.
Technical scheme based on above-mentioned appropriate technical solution is: insulating barrier is made up of middle pressure ethylene-propylene rubber material.Insulating barrier is extruded in the outside of the first semiconductive shielding layer.
Technical scheme based on above-mentioned appropriate technical solution is: the second semiconductive shielding layer is made up of cure strippable semi-conductive insulation shielding material.Second semiconductive shielding layer is extruded in the outside of insulating barrier.
Technical scheme based on above-mentioned appropriate technical solution is: the first semiconductive shielding layer, insulating barrier and the second semiconductive shielding layer adopt the three-layer co-extruded outside being coated on conductor.
Technical scheme based on above-mentioned appropriate technical solution is: it is wrapped outside exhausted second semiconductive shielding layer that phase-splitting screen adopts the special many tengential belts of semiconductive to add bare copper strip.
The utility model has positive effect: (1) rated voltage 6.6kV of the present utility model naval vessel midium voltage cable structure is simple, good reliability, polypropylene packed layer is filled with between master core, shielding mode is shielded by phase-splitting and total shielding is formed, phase-splitting shielding adopts the special many tengential belts of semiconductive to add the wrapped mode of bare copper strip, and total shielding adopts the wrapped shielding of aluminum plastic belt and tinned copper wire braid shielded compound mode.It is electromagnetic-field-shielded in insulated wire cores that the effect of phase-splitting shielding causes when being and being energized by cable, to reduce the electromagnetic interference produced to external world, also limits the impact that external magnetic field produces inside.Due under the effect of Electric and magnetic fields, the electrical interference that electric current causes the imbalance between loop and magnetic disturbance, the effect that total screen mode of the wrapped shielding of aluminum plastic belt and tinned copper wire braid shielded can suppress electromagnetic wave externally to be launched, and by effective earthing mode carrying short circuit current.(2) rated voltage 6.6kV warship ship power cable of the present utility model is the supporting power cable according to market demand exploitation, has Halogen, low cigarette, the characteristic such as fire-retardant, meets when the cross-section of cable does not increase, improve the requirement of cable transmission power.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cross section of 6.6kV naval vessel of the present utility model midium voltage cable.
Mark in above-mentioned accompanying drawing is as follows:
Master core 1, conductor 11, the first semiconductive shielding layer 12, insulating barrier 13, the second semiconductive shielding layer 14, phase-splitting screen 15,
Polypropylene packed layer 2, inner sheath 3, lapped shielding layer 4, woven shield 5, oversheath 6.
Embodiment
(embodiment 1)
See Fig. 1, the 6.6kV naval vessel midium voltage cable of the present embodiment comprises master core 1, polypropylene packed layer 2, inner sheath 3, lapped shielding layer 4, woven shield 5 and oversheath 6.
Master core 1 has 3, and the structure of 3 master cores 1 is identical.3 master cores 1 are along the angle setting at equal intervals of power cable circumference.3 master cores 1 all along its separately radial direction be provided with conductor 11, first semiconductive shielding layer 12, insulating barrier 13, second semiconductive shielding layer 14 and phase-splitting screen 15 from inside to outside successively.
Conductor 11 is identical by some filament diameters, the copper wire of nominal cross 25 to 120 square millimeters or form plating copper wire stranded pressing, and the present embodiment adopts 120 square millimeters of tinned copper wire stranded pressing of 962 monofilament nominal crosss to form.
First semiconductive shielding layer 12 is made up of middle pressure semiconductive conductor screen material, the semi-conductive shielding material of the HFDB-0586 that Dow Chemical can be adopted in the present embodiment to supply.First semiconductive shielding layer 12 is extruded in the outside of conductor 11.The thickness of the first semiconductive shielding layer 12 is 0.5 millimeter to 0.7 millimeter, and the present embodiment is 0.7 millimeter.
Insulating barrier 13 is made up of middle pressure ethylene-propylene rubber material, the ethylene propylene rubber insulation material of the ERI-3748 that Dow Chemical can be adopted to supply.Insulating barrier 13 is extruded in the outside of the first semiconductive shielding layer 12.
Second semiconductive shielding layer 14 is made up of cure strippable semi-conductive insulation shielding material, the semi-conductive shielding material of the HFDA-0693 that Dow Chemical can be adopted in the present embodiment to supply.Second semiconductive shielding layer 14 is extruded in the outside of insulating barrier 13.The thickness of the second semiconductive shielding layer 14 is 0.5 millimeter to 0.7 millimeter, and the present embodiment is 0.7 millimeter.
First semiconductive shielding layer 12, insulating barrier 13 and the second semiconductive shielding layer 14 adopt the three-layer co-extruded outside being coated on conductor 11.
It is wrapped outside exhausted second semiconductive shielding layer 14 that phase-splitting screen 15 adopts the special many tengential belts of semiconductive to add bare copper strip.
Polypropylene packed layer 2 is extruded between 3 master cores 1.3 master cores 1 and polypropylene packed layer 2 periphery are extruded with inner sheath 3.Inner sheath 3 adopts halogen-free polyolefin to be made.The thickness of inner sheath 3 is 1.2 millimeters to 1.6 millimeters, and the present embodiment is 1.6 millimeters.
Lapped shielding layer 4 is made up of aluminum plastic belt, and lapped shielding layer 4 is wrapped to be arranged on inner sheath 3.
Woven shield 5 is that the tinned copper wire of 0.3mm or zinc-coated wire weave and form by diameter, and is positioned at the outside of lapped shielding layer 4, and its percentage of braiding coverage is 88%.
Oversheath 6 is made by low smoke and zero halogen oil resistant solidity polyolefin, the protective cover material of the trade mark ZL1213-HND-2 that the present embodiment adopts Hebei Zhonglian Plastic Technology Development Co., Ltd. to produce.Oversheath 6 is coated on the outside of woven shield 5.The thickness of oversheath 6 is 2.3 millimeters to 3 millimeters, and the present embodiment is 3 millimeters.
Above embodiment is only for illustration of the utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not when departing from spirit and scope of the present utility model; various conversion and change can also be made; can also transform accordingly according to the inspiration of above-described embodiment in embody rule process, therefore all equivalent technical schemes all should be included within scope of patent protection of the present utility model.
Claims (7)
1. a 6.6kV naval vessel midium voltage cable, is characterized in that: comprise master core (1), polypropylene packed layer (2), inner sheath (3), lapped shielding layer (4), woven shield (5) and oversheath (6); Master core (1) has 3, and the structure of 3 master cores (1) is identical; 3 master cores (1) are along the angle setting at equal intervals of power cable circumference; 3 master cores (1) all along its separately radial direction be provided with conductor (11), the first semiconductive shielding layer (12), insulating barrier (13), the second semiconductive shielding layer (14) and phase-splitting screen (15) from inside to outside successively; Polypropylene packed layer (2) is extruded between 3 master cores (1); 3 master cores (1) and polypropylene packed layer (2) periphery are extruded with inner sheath (3); Inner sheath (3) adopts halogen-free polyolefin to be made; Lapped shielding layer (4) is made up of aluminum plastic belt, and lapped shielding layer (4) is wrapped to be arranged on inner sheath (3); Woven shield (5) is woven by tinned copper wire or zinc-coated wire and forms, and is positioned at the outside of lapped shielding layer (4); Oversheath (6) is made by low smoke and zero halogen oil resistant solidity polyolefin; Oversheath (6) is coated on the outside of woven shield (5).
2. 6.6kV naval vessel according to claim 1 midium voltage cable, is characterized in that: the conductor (11) of master core (1) is identical by some filament diameters, the copper wire of nominal cross 25 to 120 square millimeters or form plating copper wire stranded pressing.
3. 6.6kV naval vessel according to claim 1 and 2 midium voltage cable, is characterized in that: the first semiconductive shielding layer (12) is made up of middle pressure semiconductive conductor screen material; First semiconductive shielding layer (12) is extruded in the outside of conductor (11).
4. 6.6kV naval vessel according to claim 3 midium voltage cable, is characterized in that: insulating barrier (13) is made up of middle pressure ethylene-propylene rubber material; Insulating barrier (13) is extruded in the outside of the first semiconductive shielding layer (12).
5. 6.6kV naval vessel according to claim 4 midium voltage cable, is characterized in that: the second semiconductive shielding layer (14) is made up of cure strippable semi-conductive insulation shielding material; Second semiconductive shielding layer (14) is extruded in the outside of insulating barrier (13).
6. 6.6kV naval vessel according to claim 5 midium voltage cable, is characterized in that: the first semiconductive shielding layer (12), insulating barrier (13) and the second semiconductive shielding layer (14) adopt the three-layer co-extruded outside being coated on conductor (11).
7. 6.6kV naval vessel according to claim 1 and 2 midium voltage cable, is characterized in that: it is wrapped exhausted second semiconductive shielding layer (14) outward that phase-splitting screen (15) adopts the special many tengential belts of semiconductive to add bare copper strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520164583.1U CN204496966U (en) | 2015-03-23 | 2015-03-23 | 6.6kV naval vessel midium voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520164583.1U CN204496966U (en) | 2015-03-23 | 2015-03-23 | 6.6kV naval vessel midium voltage cable |
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| Publication Number | Publication Date |
|---|---|
| CN204496966U true CN204496966U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520164583.1U Active CN204496966U (en) | 2015-03-23 | 2015-03-23 | 6.6kV naval vessel midium voltage cable |
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| CN (1) | CN204496966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103299A1 (en) * | 2019-11-28 | 2021-06-03 | 常州船用电缆有限责任公司 | Nuclear power cable for offshore nuclear power platform |
-
2015
- 2015-03-23 CN CN201520164583.1U patent/CN204496966U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103299A1 (en) * | 2019-11-28 | 2021-06-03 | 常州船用电缆有限责任公司 | Nuclear power cable for offshore nuclear power platform |
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