CN105810297A - High-performance dual-core photovoltaic cable resistant to tensile and compression - Google Patents
High-performance dual-core photovoltaic cable resistant to tensile and compression Download PDFInfo
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- CN105810297A CN105810297A CN201610239092.8A CN201610239092A CN105810297A CN 105810297 A CN105810297 A CN 105810297A CN 201610239092 A CN201610239092 A CN 201610239092A CN 105810297 A CN105810297 A CN 105810297A
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- core
- periphery
- photovoltaic cable
- armor
- tension resistance
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/189—Radial force absorbing layers providing a cushioning effect
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/223—Longitudinally placed metal wires or tapes forming part of a high tensile strength core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention discloses a high-performance dual-core photovoltaic cable resistant to tensile and compression. The high-performance dual-core photovoltaic cable is characterized by comprising a cable core, an armor layer and a sheath layer, wherein the cable core comprises two wire cores, a lining layer is arranged at the periphery of the cable core, the armor layer wraps the periphery of the lining layer, the sheath layer is extruded at the periphery of the armor layer, each wire core comprises a reinforcement core, a conductor layer and an insulation layer, the conductor layer wraps the periphery of the reinforcement core, and the insulation layer is extruded at the periphery of the conductor layer. The high-performance dual-core photovoltaic cable has the characteristics of good high- and low-temperature resistant performance, high insulation performance, high tensile and compression resistance and light weight.
Description
Technical field
The present invention relates to field of cable technology, particularly relate to a kind of high-performance tension resistance to compression twin-core photovoltaic cable.
Background technology
At present, photovoltaic power generation plate battle array for photo-voltaic power generation station adopts single to be attached entering header box without armouring dedicated optical luff cable again after group string, these act the photovoltaic cable of the effect of confluxing and only have one layer of insulation and sheath outside conductor, it is all directly lay inside soil when connecting, do not take task safeguard procedures, even if some adopts the mode of poling, its laid down cost is also very high, if not having the cable directly soil that armouring is protected to bury, due to the underground that is laid in, the pressure that cable bears is bigger, it is highly prone to external strength damage, more serious meeting causes short-circuit fire.Meanwhile, the humid environment residing for the cable of underground it is arranged on, it is easy to make cable be corroded and damage.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of high-performance tension resistance to compression twin-core photovoltaic cable.
A kind of high-performance tension resistance to compression twin-core photovoltaic cable that the present invention proposes, including cable core, armor and restrictive coating；
Cable core is made up of both threads core, and inner liner is arranged on the periphery of cable core, and armor is coated on the periphery of inner liner, and restrictive coating is extruded in the periphery of armor；
Core includes strengthening core, conductor layer and insulating barrier；Conductor layer is coated on the periphery of strengthening core, and insulating barrier is extruded in the periphery of conductor layer.
Preferably, strengthening core is the steel wire that periphery is coated with tin layers.
Preferably, conductor layer is formed around the periphery wrapping in strengthening core by copper wire.
Preferably, described copper wire is the tin plating oxygen-free copper conductor of Equations of The Second Kind.
Preferably, cable core is formed by core is stranded.
Preferably, the periphery that insulating barrier is extruded in conductor layer by IXPE material is formed.
Preferably, inner liner is made up of 125 DEG C of cross-linking radiation elastomeric materials.
Preferably, armor is made up of aluminum alloy materials.
Preferably, armor is formed around the periphery wrapping in inner liner by tin plating aluminium wire.
Preferably, the periphery that restrictive coating is extruded in armor by 125 DEG C of irradiation crosslinking halogen-free low-smoke and flame retardant elastomeric materials is formed.
Compared with prior art, the method have the advantages that:
A kind of high-performance tension resistance to compression twin-core photovoltaic cable that the present invention proposes, arranges the strengthening core being made up of steel wire, it is possible to increase the tensile property of cable by online in-core.Tin plating in the periphery of the periphery of strengthening core and conductor silk, it is possible to prevent the electrochemical corrosion between steel and copper.
Insulating barrier is arranged on the periphery of conductor layer, the periphery that 125 DEG C of special IXPEs of direct current cables are extruded in conductor layer is adopted to be formed, by the mode extruded, IXPE material can be embedded in the gap between conductor silk, thus improving the roundness of core, there is stronger anti-space charge energy and higher pressure performance due to IXPE, it is possible to increase the anti-pressure ability of cable.
Inner liner is arranged on the cable core periphery being made up of both threads core, and two cable cores are mutually stranded, it is possible to increase the bending property of cable.Inner liner is made up of 125 DEG C of cross-linking radiation elastomeric materials, and this material has low-smoke non-halogen flame-retardant, and toughness is high, the feature of good springiness, it is possible to is effectively ensured cable and insulate in spreading process and preserve from, plays resistance to compression cushioning effect.
Armor is arranged on the periphery of inner liner, and owing to armor adopts high-strength aluminum alloy material, it is little that this material has density, lightweight, the feature that intensity is high, adopts this material armouring can be greatly improved the compressive property of cable, reduces weight and the armature of cable difficulty of processing of cable.Meanwhile, it is coated with stannum in the periphery of armor, so, it is possible to play etch-proof effect.
Cable joint-box adopts 125 DEG C of irradiation crosslinking halogen-free low-smoke and flame retardant elastomeric materials, and this material has good springiness, and wearability is high, and compressive property is high, the characteristic that high and low temperature resistance is good.The anti-pressure ability of cable can be improved, and increase its anti-wear performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of core disclosed in this invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, specific embodiment is described in detail.
As it is shown in figure 1, a kind of high-performance tension resistance to compression twin-core photovoltaic cable that Fig. 1 is the present invention to be proposed, including cable core, armor 2 and restrictive coating 3.
Cable core is made up of both threads core 4, and when being embodied as, cable core is formed by core is stranded.Inner liner 1 is arranged on the periphery of cable core, and when being embodied as, inner liner 1 is made up of 125 DEG C of cross-linking radiation elastomeric materials.125 DEG C of cross-linking radiation elastomeric materials have low-smoke non-halogen flame-retardant, and toughness is high, the feature of good springiness, it is possible to are effectively ensured cable and insulate in spreading process and preserve from, play resistance to compression cushioning effect.Armor 2 is coated on the periphery of inner liner 1, and when being embodied as, armor 2 is made up of aluminum alloy materials, and armor 2 also can be formed around the periphery wrapping in inner liner 1 by tin plating aluminium wire.It is little that high-strength aluminum alloy material has density, lightweight, and intensity is high, the feature that corrosion resistance is strong, adopts the armor that this material is made can be greatly improved the compressive property of cable, reduces weight and the armature of cable difficulty of processing of cable.Restrictive coating 3 is extruded in the periphery of armor 2.When being embodied as, the periphery that restrictive coating 3 is extruded in armor 2 by 125 DEG C of irradiation crosslinking halogen-free low-smoke and flame retardant elastomeric materials is formed.125 DEG C of irradiation crosslinking halogen-free low-smoke and flame retardant elastomeric materials have good springiness, and wearability is high, the characteristic that high and low temperature resistance is good.So, it is possible to improve the anti-wear performance of the anti-pressure ability of cable.
As in figure 2 it is shown, the structural representation that Fig. 2 is core disclosed in this invention, core 4 includes strengthening core 401, conductor layer 402 and insulating barrier 403.When being embodied as, strengthening core 401 is coated with the steel wire of tin layers for periphery.Conductor layer 402 is coated on the periphery of strengthening core 401, and conductor layer 402 is formed around the periphery wrapping in strengthening core 401 by copper wire.Described copper wire is the tin plating oxygen-free copper conductor of Equations of The Second Kind.Insulating barrier 403 is extruded in the periphery of conductor layer 402.When being embodied as, the periphery that insulating barrier 403 is extruded in conductor layer 402 by IXPE material is formed.Owing to IXPE material has insulating properties height, low temperature resistant-40 DEG C, the performance of 125 DEG C high temperature, density is little, lightweight, and this material is direct current special isolation material simultaneously, and anti-space charge energy is good, the characteristic that pressure performance is high.
Core 4 adopts the 2nd kind of tinned copper conductor, and tinned copper conductor cross section is 4mm2, strengthening core 401 adopts tin plated steel wire, conductor layer 402 to adopt tinned copper wire, adopts 1 tin plated steel wire can increase the pull resistance of cable conductor, plates one layer of stannum in Steel Wire Surface simultaneously and is possible to prevent between steel and copper electrochemical corrosion.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a high-performance tension resistance to compression twin-core photovoltaic cable, it is characterised in that: include cable core, inner liner (1), armor (2) and restrictive coating (3)；
Cable core is made up of both threads core (4), inner liner (1) is arranged on the periphery of cable core, armor (2) is coated on the periphery of inner liner (1), and restrictive coating (3) is extruded in the periphery of armor (2)；
Core (4) includes strengthening core (401), conductor layer (402) and insulating barrier (403)；Conductor layer (402) is coated on the periphery of strengthening core (401), and insulating barrier (403) is extruded in the periphery of conductor layer (402).
2. high-performance tension resistance to compression twin-core photovoltaic cable according to claim 1, it is characterised in that: strengthening core (401) is coated with the steel wire of tin layers for periphery.
3. high-performance tension resistance to compression twin-core photovoltaic cable according to claim 1, it is characterised in that: conductor layer (402) is formed around the periphery wrapping in strengthening core (401) by copper wire.
4. high-performance tension resistance to compression twin-core photovoltaic cable according to claim 3, it is characterised in that: described copper wire is the tin plating oxygen-free copper conductor of Equations of The Second Kind.
5. high-performance tension resistance to compression twin-core photovoltaic cable according to claim 1, it is characterised in that: cable core is formed by core is stranded.
6. high-performance tension resistance to compression twin-core photovoltaic cable according to claim 1, it is characterised in that: the periphery that insulating barrier (403) is extruded in conductor layer (402) by IXPE material is formed.
7. high-performance tension resistance to compression twin-core photovoltaic cable according to claim 1, it is characterised in that: inner liner (1) is made up of 125 DEG C of cross-linking radiation elastomeric materials.
8. high-performance tension resistance to compression twin-core photovoltaic cable according to claim 1, it is characterised in that: armor (2) is made up of aluminum alloy materials.
9. high-performance tension resistance to compression twin-core photovoltaic cable according to claim 1, it is characterised in that: armor (2) is formed around the periphery wrapping in inner liner (1) by tin plating aluminium wire.
10. high-performance tension resistance to compression twin-core photovoltaic cable according to claim 1, it is characterised in that: the periphery that restrictive coating (3) is extruded in armor (2) by 125 DEG C of irradiation crosslinking halogen-free low-smoke and flame retardant elastomeric materials is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239092.8A CN105810297A (en) | 2016-04-18 | 2016-04-18 | High-performance dual-core photovoltaic cable resistant to tensile and compression |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239092.8A CN105810297A (en) | 2016-04-18 | 2016-04-18 | High-performance dual-core photovoltaic cable resistant to tensile and compression |
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| Publication Number | Publication Date |
|---|---|
| CN105810297A true CN105810297A (en) | 2016-07-27 |
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| CN201610239092.8A Pending CN105810297A (en) | 2016-04-18 | 2016-04-18 | High-performance dual-core photovoltaic cable resistant to tensile and compression |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110017490A1 (en) * | 2008-05-02 | 2011-01-27 | Atomic Energy Council-Institute Of Nuclear Energy Research | Cable for use in a condensing photovoltaic apparatus |
| CN201893165U (en) * | 2010-12-09 | 2011-07-06 | 天津亿鑫通科技股份有限公司 | Industrial control cable with shielding for dragging |
| CN203276900U (en) * | 2013-05-23 | 2013-11-06 | 天津亿鑫通科技股份有限公司 | Double-layer super-flexible power transmission cable |
| CN203520954U (en) * | 2013-09-13 | 2014-04-02 | 安徽航天电缆集团有限公司 | Heat-resistant fireproof flexible cable |
| CN203573709U (en) * | 2013-11-15 | 2014-04-30 | 青岛汉缆股份有限公司 | Direct current cable for photovoltaic power generation system |
| CN205508428U (en) * | 2016-04-18 | 2016-08-24 | 安徽龙庵电缆集团有限公司 | Two core photovoltaic cables of high performance tensile resistance to compression |
-
2016
- 2016-04-18 CN CN201610239092.8A patent/CN105810297A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110017490A1 (en) * | 2008-05-02 | 2011-01-27 | Atomic Energy Council-Institute Of Nuclear Energy Research | Cable for use in a condensing photovoltaic apparatus |
| CN201893165U (en) * | 2010-12-09 | 2011-07-06 | 天津亿鑫通科技股份有限公司 | Industrial control cable with shielding for dragging |
| CN203276900U (en) * | 2013-05-23 | 2013-11-06 | 天津亿鑫通科技股份有限公司 | Double-layer super-flexible power transmission cable |
| CN203520954U (en) * | 2013-09-13 | 2014-04-02 | 安徽航天电缆集团有限公司 | Heat-resistant fireproof flexible cable |
| CN203573709U (en) * | 2013-11-15 | 2014-04-30 | 青岛汉缆股份有限公司 | Direct current cable for photovoltaic power generation system |
| CN205508428U (en) * | 2016-04-18 | 2016-08-24 | 安徽龙庵电缆集团有限公司 | Two core photovoltaic cables of high performance tensile resistance to compression |
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