CN215496046U - Anti-interference shore power cable - Google Patents
Anti-interference shore power cable Download PDFInfo
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- CN215496046U CN215496046U CN202121668279.2U CN202121668279U CN215496046U CN 215496046 U CN215496046 U CN 215496046U CN 202121668279 U CN202121668279 U CN 202121668279U CN 215496046 U CN215496046 U CN 215496046U
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Abstract
The utility model relates to an anti-interference shore power cable which comprises three power wire core units which are externally tangent, wherein one side of the outer part of each power wire core unit is tangent with one monitoring wire core unit, the other side of the outer part of each power wire core unit is tangent with one communication unit, filling is arranged in gaps among the power wire core units, the monitoring wire core units and the communication units and the outer part of the power wire core units, an inner sheath layer is arranged outside the filling, a reinforcing layer is arranged outside the inner sheath layer, and an outer sheath layer is arranged outside the reinforcing layer. The cable has the functions of power transmission, communication, monitoring control, grounding protection and the like, the power wire core unit and the monitoring wire core unit are provided with metal shielding structures, can be shielded mutually and do not interfere with each other, the integral bending capability and the anti-corrosion performance are good, and the integral outer diameter of the cable is effectively reduced.
Description
Technical Field
The utility model relates to a cable, in particular to a shore power cable.
Background
The shore power cable is used for connecting a ship with an onshore charging system or connecting a ship deck with cabin power, and the shore power cable is used for power transmission and communication singly, does not have a monitoring and controlling protection function and is lack of anti-electromagnetic interference capability. In addition, the cable is wound and unwound in a winding drum mode, the winding and unwinding are frequently performed, and the bending resistance and the flexibility are high in requirements. Meanwhile, the cable is used in wharfs, ships, coastal areas and other areas, is influenced by factors such as salt spray, oil stains, sunlight exposure, hydrolysis and the like, and is short in service life.
Disclosure of Invention
The purpose of the utility model is as follows: the utility model aims to overcome the defects in the prior art, and provides an anti-interference shore power cable which has the functions of power transmission, communication, monitoring control, grounding protection and the like, wherein a power wire core unit and a monitoring wire core unit are respectively provided with a metal shielding structure, can be shielded mutually and do not interfere with each other, has good integral bending capability and corrosion resistance, and effectively reduces the integral outer diameter of the cable.
The technical scheme is as follows: in order to solve the technical problems, the anti-interference shore power cable comprises three power wire core units which are externally tangent, wherein one side of the outer part of each power wire core unit is tangent with a monitoring wire core unit, the other side of the outer part of each power wire core unit is tangent with a communication unit, the gaps among the power wire core units, the monitoring wire core units and the communication units and the outer parts of the communication units are filled with filler, an inner jacket layer is arranged outside the filler, a reinforcing layer is arranged outside the inner jacket layer, an outer jacket layer is arranged outside the reinforcing layer, each power wire core unit comprises a power wire core conductor, a conductor shielding layer is arranged outside the power wire core conductor, a power wire core insulating layer is arranged outside the conductor shielding layer, an insulating shielding layer is arranged outside the power wire core insulating layer, and a metal shielding layer is arranged outside the insulating shielding layer, the monitoring cable core unit comprises a plurality of monitoring cable cores, an insulating wrapping layer is arranged outside the monitoring cable cores, a monitoring cable core metal shielding layer is arranged outside the insulating wrapping layer, a monitoring cable core outer sheath is arranged outside the monitoring cable core metal shielding layer, the monitoring cable cores comprise monitoring cable core conductors, monitoring cable core insulating layers are arranged outside the monitoring cable core conductors, the communication unit comprises a plurality of optical fibers, a fiber paste is arranged outside the optical fibers, a loose sleeve is arranged outside the fiber paste, a non-metal reinforcing layer is arranged outside the loose sleeve, and a communication unit outer sheath is arranged outside the non-metal reinforcing layer.
Furthermore, the conductor shielding layer, the power wire core insulating layer and the insulation shielding layer are formed by three layers in a co-extrusion mode.
Furthermore, the power core conductor and the monitoring core conductor are formed by twisting a plurality of tinned copper wires with the diameter not more than 0.5mm in the same direction.
Further, the metal shielding layer is of a tinned copper wire braided structure.
Further, the monitoring wire core is provided with 3-9 monitoring wire cores, wherein the cross-sectional area of the conductor of each monitoring wire core is 1.5mm2Or 2.5mm2。
Further, 7 monitoring cores are arranged.
Further, the optical fiber is an A1b type multimode optical fiber.
Furthermore, the reinforcing layer is formed by weaving high-strength nylon fiber yarns.
Further, the outer sheath layer is made of modified chlorinated polyethylene.
Has the advantages that: compared with the prior art, the utility model has the following remarkable advantages: the utility model has reasonable integral structure arrangement, three power wire core units are arranged, wherein each power wire core unit consists of a conductor, a conductor shield, an insulator, an insulation shield and a metal shield layer, the conductor is formed by a plurality of tinned copper wires with the diameter not more than 0.5mm through equidirectional stranding and multilayer complex stranding, the diameters of the copper wires are different according to the specification and the size of the power wire core conductor, the bending capability and the corrosion resistance of the cable are improved, the conductor shield, the insulator and the insulation shield layer are all produced by adopting rubber mixed materials and are jointly extruded on the power wire core conductor by adopting a three-layer co-extrusion technology of a continuous vulcanization production line, the metal shield layer adopts a tinned copper wire braided structure, the bending capability, the corrosion resistance and the anti-interference performance of the cable are improved, the metal shield layer can effectively inhibit the electromagnetic interference generated when the power wire core transmits power, and prevent the interference to the operation of a monitoring unit and the operation of other nearby equipment, the metal shielding layer is used as a grounding wire, so that one grounding wire unit in the cable can be reduced, the overall outer diameter of the cable is reduced, the wire loading length of a reel is increased, and further the storage space in a ship is reduced, the power wire core unit and the monitoring wire core unit are provided with metal shielding structures which can shield each other and do not interfere with each other, the communication unit can be provided with a plurality of groups according to the requirements, the optical fibers preferably adopt A1b type multimode optical fibers, each group of optical fiber units at least comprises 6 x 62.5/125 gradient optical fibers, the inner sheath layer fills gaps outside the cable core in a squeezing and packing manner, the inner wall of the inner sheath layer is tightly contacted with the cable core and can be stripped and not damaged, the bending performance of the cable can be greatly improved, the power unit, the monitoring unit and the communication unit are protected from frequent bending and sliding, the wire breaking problem is avoided, and the reinforcing layer is woven by high-strength nylon fiber materials, the braided layer is tight and does not damage the inner sheath layer, the mechanical strength of the cable is improved, the material used for the outer sheath has the characteristics of high strength, temperature resistance, oil resistance, acid and alkali corrosion resistance, weather aging resistance, wear resistance, halogen free and the like, and the modified chlorinated polyethylene material is mainly selected.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
Detailed Description
The utility model is further described below with reference to the figures and examples.
As shown in figure 1, the anti-interference shore power cable comprises three power wire core units which are externally tangent, wherein one side of the outside of each power wire core unit is tangentially provided with a monitoring wire core unit, the other side of the outside of each power wire core unit is tangentially provided with a communication unit, gaps among the power wire core units, the monitoring wire core units and the communication units and the outside of the power wire core units, the monitoring wire core units and the communication units are respectively provided with a filling layer 1, the outside of the filling layer 1 is provided with an inner sheath layer 2, the outside of the inner sheath layer 2 is provided with a reinforcing layer 3, the reinforcing layer 3 is formed by weaving high-strength nylon fibers, the outside of the reinforcing layer 3 is provided with an outer sheath layer 4, the outer sheath layer 4 is made of modified chlorinated polyethylene, the power wire core units comprise power wire core conductors 5, the outside of the power wire core conductors 5 is provided with a conductor shielding layer 6, and the outside of the conductor shielding layer 6 is provided with a power wire core insulating layer 7, power sinle silk insulating layer 7 outside is equipped with insulating shielding layer 8 outside is equipped with metallic shield 9, metallic shield 9 adopts tinned copper wire braided structure, conductor shielding layer 6, power sinle silk insulating layer 7 and insulating shielding layer 8 adopt the three-layer to crowd altogether and form, it includes 3-9 supervision sinle silks to watch on sinle silk unit watch on sinle silk outside and be equipped with insulating band bed course 10 outside is equipped with and watches sinle silk metallic shield 11 to watch on sinle silk metallic shield 11 outside is equipped with and monitors sinle silk metallic shieldAn outer sheath 12, the monitoring wire core including a monitoring wire core conductor 13, the monitoring wire core conductor 13 having a cross-sectional area of 1.5mm2Or 2.5mm2The power core conductor 5 and the monitoring core conductor 13 are formed by twisting a plurality of tinned copper wires with the diameter not more than 0.5mm in the same direction, a monitoring core insulating layer 14 is arranged outside the monitoring core conductor 13, the communication unit comprises a plurality of optical fibers 15, the optical fibers 15 adopt A1b type multimode optical fibers, a fiber paste 16 is arranged outside the optical fibers 15, a loose tube 17 is arranged outside the fiber paste 16, a non-metal reinforcing layer 18 is arranged outside the loose tube 17, and a communication unit outer sheath 19 is arranged outside the non-metal reinforcing layer 18. The utility model has reasonable integral structure arrangement, three power wire core units are arranged, wherein each power wire core unit consists of a conductor, a conductor shield, an insulator, an insulation shield and a metal shield layer, the conductor is formed by a plurality of tinned copper wires with the diameter not more than 0.5mm through equidirectional stranding and multilayer complex stranding, the diameters of the copper wires are different according to the specification and the size of the power wire core conductor, the bending capability and the corrosion resistance of the cable are improved, the conductor shield, the insulator and the insulation shield layer are all produced by adopting rubber mixed materials and are jointly extruded on the power wire core conductor by adopting a three-layer co-extrusion technology of a continuous vulcanization production line, the metal shield layer adopts a tinned copper wire braided structure, the bending capability, the corrosion resistance and the anti-interference performance of the cable are improved, the metal shield layer can effectively inhibit the electromagnetic interference generated when the power wire core transmits power, and prevent the interference to the operation of a monitoring unit and the operation of other nearby equipment, and the metal shielding layer is used as a grounding wire, so that one grounding wire unit in the cable can be reduced, the overall outer diameter of the cable is reduced, the wire loading length of a winding drum is increased, the storage space in a ship is further reduced, the power wire core unit and the monitoring wire core unit are respectively provided with a metal shielding structure, can be mutually shielded and do not interfere with each other, the communication unit can be provided with a plurality of groups according to the requirements, A1b type multimode optical fibers are preferably used as the optical fibers, each group of optical fiber units at least comprises 6 x 62.5/125 gradient optical fibers, the inner sheath layer fills the gap outside the cable core in a squeezing and packing manner, the inner wall of the inner sheath layer is closely contacted with the cable core and can be stripped and not damaged, the bending degree of the cable can be greatly improved, and the gap outside the cable core is fully filled in a squeezing and packing mannerThe performance, protection power unit, monitoring unit, communication unit can not cause the disconnected silk problem because of frequent bending slip, and the enhancement layer adopts the nylon fiber silk material weaving of high strength to constitute, and the weaving layer closely does not harm the inner sheath layer, promotes the mechanical strength of cable, and the material that the oversheath used should have the material of characteristics such as intensity height, temperature resistant, resistant oil, acid and alkali corrosion resistance, weather-resistant ageing, wear-resisting, halogen-free, mainly select modified chlorinated polyethylene material.
The present invention provides a thought and a method, and a method and a way for implementing the technical scheme are many, the above is only a preferred embodiment of the present invention, it should be noted that, for a person skilled in the art, a plurality of improvements and modifications can be made without departing from the principle of the present invention, and the improvements and modifications should be regarded as the protection scope of the present invention, and each component not explicitly described in the embodiment can be implemented by the prior art.
Claims (9)
1. An anti-interference shore power cable, characterized in that: the power cable core unit comprises three power cable core units which are externally tangent, a monitoring cable core unit is tangentially arranged on one side outside the power cable core unit, a communication unit is tangentially arranged on the other side outside the power cable core unit, a filler (1) is arranged in the gap and outside of the power cable core unit, the monitoring cable core unit and the communication unit, an inner sheath layer (2) is arranged outside the filler (1), a reinforcing layer (3) is arranged outside the inner sheath layer (2), an outer sheath layer (4) is arranged outside the reinforcing layer (3), the power cable core unit comprises a power cable core conductor (5), a conductor shielding layer (6) is arranged outside the power cable core conductor (5), a power cable core insulating layer (7) is arranged outside the conductor shielding layer (6), and an insulating shielding layer (8) is arranged outside the power cable core insulating layer (7), a metal shielding layer (9) is arranged outside the insulation shielding layer (8), the monitoring wire core unit comprises a plurality of monitoring wire cores, an insulating wrapping tape cushion layer (10) is arranged outside the monitoring wire core, a monitoring wire core metal shielding layer (11) is arranged outside the insulating wrapping tape cushion layer (10), a monitoring core outer sheath (12) is arranged outside the monitoring core metal shielding layer (11), the monitoring core comprises a monitoring core conductor (13), a monitoring core insulation layer (14) is arranged outside the monitoring core conductor (13), the communication unit comprises a plurality of optical fibers (15), a fiber paste (16) is arranged outside the optical fiber (15), a loose tube (17) is arranged outside the fiber paste (16), a non-metal reinforcing layer (18) is arranged outside the loose tube (17), and a communication unit outer sheath (19) is arranged outside the non-metal reinforcing layer (18).
2. The antijam shore power cable of claim 1, wherein: the conductor shielding layer (6), the power wire core insulating layer (7) and the insulating shielding layer (8) are formed by three layers in a co-extrusion mode.
3. The antijam shore power cable of claim 1, wherein: the power wire core conductor (5) and the monitoring wire core conductor (13) are formed by twisting a plurality of tinned copper wires with the diameter not more than 0.5mm in the same direction.
4. The antijam shore power cable of claim 1, wherein: the metal shielding layer (9) is of a tinned copper wire braided structure.
5. The antijam shore power cable of claim 1, wherein: the monitoring wire core is provided with 3-9 monitoring wire cores, wherein the cross-sectional area of the conductor (13) of the monitoring wire core is 1.5mm2Or 2.5mm2。
6. The antijam shore power cable of claim 1, wherein: 7 monitoring cores are arranged.
7. The antijam shore power cable of claim 1, wherein: the optical fiber (15) adopts A1b type multimode fiber.
8. The antijam shore power cable of claim 1, wherein: the reinforcing layer (3) is formed by weaving high-strength nylon fiber yarns.
9. The antijam shore power cable of claim 1, wherein: the outer sheath layer (4) is made of modified chlorinated polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121668279.2U CN215496046U (en) | 2021-07-22 | 2021-07-22 | Anti-interference shore power cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121668279.2U CN215496046U (en) | 2021-07-22 | 2021-07-22 | Anti-interference shore power cable |
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| CN215496046U true CN215496046U (en) | 2022-01-11 |
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| CN202121668279.2U Active CN215496046U (en) | 2021-07-22 | 2021-07-22 | Anti-interference shore power cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611442A (en) * | 2021-07-22 | 2021-11-05 | 中辰电缆股份有限公司 | Anti-interference shore power cable, anti-corrosion and anti-bending sheath material for cable and preparation method of sheath material |
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2021
- 2021-07-22 CN CN202121668279.2U patent/CN215496046U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611442A (en) * | 2021-07-22 | 2021-11-05 | 中辰电缆股份有限公司 | Anti-interference shore power cable, anti-corrosion and anti-bending sheath material for cable and preparation method of sheath material |
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