CN106816213A - Two-core easily-separated 8-shaped photovoltaic cable - Google Patents

Two-core easily-separated 8-shaped photovoltaic cable Download PDF

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Publication number
CN106816213A
CN106816213A CN201710043015.XA CN201710043015A CN106816213A CN 106816213 A CN106816213 A CN 106816213A CN 201710043015 A CN201710043015 A CN 201710043015A CN 106816213 A CN106816213 A CN 106816213A
Authority
CN
China
Prior art keywords
cable
wire
conductor
cores
sheath
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710043015.XA
Other languages
Chinese (zh)
Inventor
马文庆
张惠芳
何鹏
王霞丽
苏建良
许思祥
赵晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningxia Zhongsheng Cable Technology Co ltd
Original Assignee
Ningxia Zhongsheng Cable Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningxia Zhongsheng Cable Technology Co ltd filed Critical Ningxia Zhongsheng Cable Technology Co ltd
Priority to CN201710043015.XA priority Critical patent/CN106816213A/en
Publication of CN106816213A publication Critical patent/CN106816213A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/40Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/24Sheathing; Armouring; Screening; Applying other protective layers by extrusion
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/08Flat or ribbon cables
    • H01B7/0807Twin conductor or cable
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/08Flat or ribbon cables
    • H01B7/0853Juxtaposed parallel wires, fixed to each other without a support layer
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention relates to the field of solar photovoltaic cable production and manufacturing, in particular to a double-core easily-separated 8-shaped photovoltaic cable which comprises two mutually independent cable leads, wherein each cable lead comprises a conductor, an insulating sleeve and a sheath, the photovoltaic cable is of a 8-shaped structure formed by the two mutually independent photovoltaic leads, and the sheaths are connected by a layer of plastic with the thickness of 0.01mm, so that the two mutually independent photovoltaic leads are conveniently separated. The invention brings great convenience and guarantee for laying and installing cables of photovoltaic power stations and household photovoltaic power stations, and has better practical value and popularization prospect.

Description

A kind of easily separated 8-shaped photovoltaic cable of two cores
Technical field
Field is manufactured the present invention relates to photovoltaic cable, and in particular to a kind of easily separated 8-shaped photovoltaic of two cores Cable.
Background technology
Because cable equally plays vital effect to the entirety of photovoltaic plant profit, the security of operation, its construction It is also most scientific in photovoltaic plant construction system, is most worthy of careful study, the cable construction of science can not only reduces power station damage, carry High efficiency, strengthens reliability, can also improve the income of power station owner.The reasonable cable construction of non-science, such as causes cable to weigh wounded, Damage is cut, is ruined by sharp thing mill, whole power station will be caused to be in the state that is in extreme danger, line short will be caused, trigger fire even Personnel are caused to injure, these problems can bring devastating disaster to power station.Many times the potential safety hazard in power station is not for we What the problems such as cable specification, quality, connection of selection, caused, and because not fixed to the protection that photovoltaic electric cable carries out science Measure, therefore, the fixed photovoltaic cable work of protection of laying of science is extremely urgent, very urgent.By for many years not The fixed measure of protection is laid for photovoltaic cable science in disconnected Project and summary of experience, industry, there is following several:
1st, cable bearer case;2nd, cable support rope;3rd, component holes are fixed on using band;4th, cable grip is fixed.
And first two is relatively costly, the third needs manual work, time and relatively inefficient.4th kind is most economical Practicality, only need to will fix cable grip on 8-shaped two core cable.This product is currently pushed away by the construction of domestic photovoltaic plant It is high, greatly solve the complicated processes of shunt cable in cable installation, reduce manual work time and cost.
With the raising of people's environmental consciousness, New Energy Industry is continued to develop.Solar photo-voltaic power generation station, family expenses photovoltaic electric Stand and vigorously emerge like the mushrooms after rain.Photovoltaic power station system includes photovoltaic module installation, mounting system in work progress, mainly The fixed, setting of immobilizing foundation.And easily passed into silence in detail design be photovoltaic cable construction.By to domestic and state Recognize in the information of some outer client feedbacks, photovoltaic electric cable is generally parallel after solar panel in country's construction puts Put two cables.By two photovoltaic cables parallel connections and need to be fixed when fixing and laying.
Meanwhile, when in use, the subject matter that there is also is existing photovoltaic cable:Existing photovoltaic cable is due to it Fixed cost is higher, fixed excessively firm, is separated between the photovoltaic wire for causing parallel connection very difficult.
Therefore, the present invention provides a kind of easily separated 8-shaped photovoltaic cable of two cores, to solve the photovoltaic wire of prior art presence The deficiency of difficulty is separated between cable.
The content of the invention
The purpose of the present invention is that:A kind of the problems such as separating difficult for the photovoltaic cable that presently, there are, there is provided two core Easily separated 8-shaped photovoltaic cable, to separate the deficiency of difficulty between the photovoltaic cable for solving prior art presence.
To achieve these goals, the technical solution adopted by the present invention is:
A kind of easily separated 8-shaped photovoltaic cable of two cores, is made up of, every cable conductor two separate cable conductors Including conductor, insulation sleeve and sheath, its preparation technology comprises the following steps:
Wire-drawing process:The conductor is drawn the copper bar of a diameter of 9mm~12mm by 14 road moulds using 13 mould big drawing machines It is the copper cash of diameter 2.8mm~2.9mm to pull out, then the copper cash of 2.8mm~2.9mm is drawn by 7 road moulds by 17 mould Medium drawing mach ines 1.2 millimeters of copper cash is made as, then 1.2 millimeters of copper cash is drawn by 17 road moulds by the small machine drawing of 23 moulds be the milli of diameter 0.25 The monofilament copper cash of rice;
Strip operation:Used as hard conductor, the hard conductor monofilament leads to 0.25 millimeter of the monofilament drawn by wire-drawing process Three sections of annelaing pot annealing softening operations are crossed, then last layer tin is plated on circular copper wire by 270 DEG C of tin plating furnace temperatures;
Bundle strand operation:Monofilament after strip is twisted into area of section for 4mm by electronics pitch buncher2Conductor, twist Conjunction pitch is 45mm, and direction of lay is left-hand.
Insulation operation:By granulated plastic by the processing of extruder, granulated plastic heating is become viscous state, in machine barrel and Obtain deformation in the presence of head pressure, then form ring dress and be attached to around conductor by the mould of head, form insulation sleeve.
Sheath operation:The conductor after insulation operation is extruded by 90 extruders, in extrusion, loads hopper In plastic pellet enter in machine barrel by gravity or rotating screw, constantly pushed ahead by the thrust of rotary screw, make Plastics under the stirring of screw rod and squeezing action, with reference to machine barrel it is outer heat and between plastics and equipment shearing friction heat effect Under be changed into viscous state, in screw channel formed uniformly continuous stream, reach head stream through the annular between core rod and die sleeve Gap, is extruded around core, forms continuous closely knit sheath, and two insulated wire cores are separated using parallel molds then, from And complete the making of cable.
Irradiation:After sheath operation, cable need to be irradiated, and irradiation apparatus are using high frequency high voltage electron accelerator to electricity Line carries out irradiation processing, the insulating materials molecular structure of cable is changed into network structure from linear structure, reaches cable Performance requirement.
Preferably, the mould that the wire-drawing process is used is nanometer wire-drawing die.
Preferably, the wire-drawing process occupies natural diamond circular reducing die and has using the pass sizing section length of mould Length 60% or occupy the 55% of glomerocryst wire-drawing die length, compression section length is 13 °~14 °, and the dimensional accuracy of mould is 0.001mm。
Preferably, the annealing temperature that the strip operation is used is 410 DEG C, and tin plating thickness is 0.01mm~0.02mm.
Preferably, the thickness of the sheath is 0.9mm~1.0mm, and its material is low-smoke non-halogen flame-retardant cross-linking radiation material.
Preferably, the irradiation dose that the irradiation is used is 45~55KGy, and irradiated electrons accelerator energy scope is 1.5~2.0MeV.
Preferably, the thickness of the sheath is 2mm~3mm.
Preferably, the conductor occupies the 35%~38% of cable cumulative volume.
Preferably, the photovoltaic cable constitutes figure-8 structure by two separate photovoltaic wires, by one between sheath Thickness degree is connected for the plastics of 0.01mm.
By adopting the above-described technical solution, the beneficial effects of the invention are as follows:
The present invention is easy to user during cable or use is installed using two photovoltaic wires connection composition 8-shaped, light It is convenient easy to be separated from each other between volt wire;The present invention is photovoltaic plant from now on, family expenses photovoltaic plant cable lays, installs band Come great convenient and ensured, its installation cost, cost of labor will all have been substantially reduced, with preferable practical value and popularization Prospect.
Brief description of the drawings
Fig. 1 is cross section structure schematic diagram of the invention.
In figure:1st, conductor;2nd, insulation sleeve;3rd, sheath.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is A part of embodiment of the present invention, rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment 1, as shown in Figure 1:
A kind of easily separated 8-shaped photovoltaic cable of two cores, is made up of, every cable conductor two separate cable conductors Including conductor 1, insulation sleeve 2 and sheath 3, its preparation technology comprises the following steps:
Wire-drawing process:The conductor 1 is drawn the copper bar of a diameter of 9mm~12mm by 14 road moulds using 13 mould big drawing machines It is the copper cash of diameter 2.8mm~2.9mm to pull out, then the copper cash of 2.8mm~2.9mm is drawn by 7 road moulds by 17 mould Medium drawing mach ines 1.2 millimeters of copper cash is made as, then 1.2 millimeters of copper cash is drawn by 17 road moulds by the small machine drawing of 23 moulds be the milli of diameter 0.25 The monofilament copper cash of rice;
Strip operation:0.25 millimeter of the monofilament drawn by wire-drawing process as hard conductor 1, the monofilament of hard conductor 1 By three sections of annelaing pot annealing softening operations, then last layer tin is plated on circular copper wire by 270 DEG C of tin plating furnace temperatures;
Bundle strand operation:Monofilament after strip is twisted into the conductor 1 that area of section is 4mm2 by electronics pitch buncher, twists Conjunction pitch is 45mm, and direction of lay is left-hand.
Insulation operation:By granulated plastic by the processing of extruder, granulated plastic heating is become viscous state, in machine barrel and Obtain deformation in the presence of head pressure, then form ring dress and be attached to around conductor 1 by the mould of head, form insulation sleeve 2。
The operation of sheath 3:The conductor 1 after insulation operation is extruded by 90 extruders, in extrusion, loads material Plastic pellet in bucket enters in machine barrel by gravity or rotating screw, is constantly pushed ahead by the thrust of rotary screw, Make plastics under the stirring of screw rod and squeezing action, with reference to the hot work of outer hot and between plastics and equipment the shearing friction of machine barrel It is changed into viscous state under, the stream of uniformly continuous is formed in screw channel, reaches the stream of head through the ring between core rod and die sleeve Shape gap, is extruded around core, forms continuous closely knit sheath 3, and two insulated wire cores are separated using parallel molds then, So as to complete the making of cable.
Irradiation:After the operation of sheath 3, cable need to be irradiated, and irradiation apparatus use high frequency high voltage electron accelerator pair Electric wire carries out irradiation processing, the insulating materials molecular structure of cable is changed into network structure from linear structure, reaches cable Performance requirement.
Preferably, the mould that the wire-drawing process is used is nanometer wire-drawing die.
Preferably, the wire-drawing process occupies natural diamond circular reducing die and has using the pass sizing section length of mould Length 60% or occupy the 55% of glomerocryst wire-drawing die length, compression section length is 13 °~14 °, and the dimensional accuracy of mould is 0.001mm。
Preferably, the annealing temperature that the strip operation is used is 410 DEG C, and tin plating thickness is 0.01mm~0.02mm.
Preferably, the thickness of the sheath 3 is 0.9mm~1.0mm, and its material is low-smoke non-halogen flame-retardant cross-linking radiation material Material.
Preferably, the irradiation dose that the irradiation is used is 45~55KGy, and irradiated electrons accelerator energy scope is 1.5~2.0MeV.
Preferably, the thickness of the sheath 3 is 2mm~3mm.
Preferably, the conductor 1 occupies the 35%~38% of cable cumulative volume.
Preferably, the photovoltaic cable constitutes figure-8 structure by two separate photovoltaic wires, between sheath 3 by A layer thickness is connected for the plastics of 0.01mm.
The present invention is easy to user during cable or use is installed using two photovoltaic wires connection composition 8-shaped, light It is convenient easy to be separated from each other between volt wire;The present invention is photovoltaic plant from now on, family expenses photovoltaic plant cable lays, installs band Come great convenient and ensured, its installation cost, cost of labor will all have been substantially reduced, with preferable practical value and popularization Prospect.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any Those familiar with the art can readily occur in change or replacement in the technical scope of present disclosure, should all contain Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.

Claims (9)

1. a kind of easily separated 8-shaped photovoltaic cable of two core, is made up of two separate cable conductors, every cable conductor bag Include conductor, insulation sleeve and sheath, it is characterised in that:Its preparation technology comprises the following steps:
Wire-drawing process:The conductor use 13 mould big drawing machines by the copper bar of a diameter of 9mm~12mm by 14 road mould drawings for The copper cash of diameter 2.8mm~2.9mm, then be by 7 road moulds drawings the copper cash of 2.8mm~2.9mm by 17 mould Medium drawing mach ines 1.2 millimeters of copper cash, then 1.2 millimeters of copper cash is drawn by 17 road moulds by the small machine drawing of 23 moulds be 0.25 millimeter of diameter Monofilament copper cash;
Strip operation:Used as hard conductor, the hard conductor monofilament passes through three to 0.25 millimeter of the monofilament drawn by wire-drawing process Section annelaing pot annealing softening operation, then last layer tin is plated on circular copper wire by 270 DEG C of tin plating furnace temperatures;
Bundle strand operation:Monofilament after strip is twisted into area of section for 4mm by electronics pitch buncher2Conductor, twisting pitch It is 45mm, direction of lay is left-hand.
Insulation operation:By granulated plastic by the processing of extruder, granulated plastic heating is become viscous state, in machine barrel and head Obtain deformation in the presence of pressure, then form ring dress and be attached to around conductor by the mould of head, form insulation sleeve.
Sheath operation:The conductor after insulation operation is extruded by 90 extruders, in extrusion, is fitted into hopper Plastic pellet enters in machine barrel by gravity or rotating screw, is constantly pushed ahead by the thrust of rotary screw, makes plastics Under the stirring of screw rod and squeezing action, with reference in the presence of the outer heat of machine barrel and the shearing friction heat between plastics and equipment turns It is changed into viscous state, the stream of uniformly continuous is formed in screw channel, reaches the stream of head through the annular gap between core rod and die sleeve, Extrude around core, form continuous closely knit sheath, two insulated wire cores are separated using parallel molds then, so as to complete The making of cable.
Irradiation:After sheath operation, cable need to be irradiated, and irradiation apparatus are entered using high frequency high voltage electron accelerator to electric wire Row irradiation processing, makes the insulating materials molecular structure of cable be changed into network structure from linear structure, reaches the performance of cable It is required that.
2. a kind of easily separated 8-shaped photovoltaic cable of two cores as claimed in claim 1, it is characterised in that:The wire-drawing process makes Mould is a nanometer wire-drawing die.
3. a kind of easily separated 8-shaped photovoltaic cable of two cores as claimed in claim 1 or 2, it is characterised in that:The wire-drawing process The 60% of natural diamond circular reducing die tool length is occupied using the pass sizing section length of mould or glomerocryst wire drawing die is occupied The 55% of tool length, compression section length is 13 °~14 °, and the dimensional accuracy of mould is 0.001mm.
4. a kind of easily separated 8-shaped photovoltaic cable of two cores as claimed in claim 1, it is characterised in that:The strip operation is adopted Annealing temperature is 410 DEG C, and tin plating thickness is 0.01mm~0.02mm.
5. a kind of easily separated 8-shaped photovoltaic cable of two cores as claimed in claim 1, it is characterised in that:The thickness of the sheath It is 0.9mm~1.0mm, its material is low-smoke non-halogen flame-retardant cross-linking radiation material.
6. a kind of easily separated 8-shaped photovoltaic cable of two cores as claimed in claim 1, it is characterised in that:The irradiation is adopted Irradiation dose is 45~55KGy, and irradiated electrons accelerator energy scope is 1.5~2.0MeV.
7. a kind of easily separated 8-shaped photovoltaic cable of two cores as claimed in claim 1, it is characterised in that:The thickness of the sheath It is 2mm~3mm.
8. a kind of easily separated 8-shaped photovoltaic cable of two cores as claimed in claim 1, it is characterised in that:The conductor occupies line The 35%~38% of cable cumulative volume.
9. a kind of easily separated 8-shaped photovoltaic cable of two cores as claimed in claim 1, it is characterised in that:The photovoltaic cable by Two separate photovoltaic wire composition figure-8 structures, by a layer thickness for the plastics of 0.01mm are connected between sheath.
CN201710043015.XA 2017-01-19 2017-01-19 Two-core easily-separated 8-shaped photovoltaic cable Pending CN106816213A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710043015.XA CN106816213A (en) 2017-01-19 2017-01-19 Two-core easily-separated 8-shaped photovoltaic cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710043015.XA CN106816213A (en) 2017-01-19 2017-01-19 Two-core easily-separated 8-shaped photovoltaic cable

Publications (1)

Publication Number Publication Date
CN106816213A true CN106816213A (en) 2017-06-09

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Family Applications (1)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2313271Y (en) * 1997-12-03 1999-04-07 崔宪昌 Telephone rubber-insulated wire
CN101921932A (en) * 2010-08-20 2010-12-22 安徽欣意电缆有限公司 Conductor wire core aluminum alloy for welding machine cable and making method thereof
CN102446588A (en) * 2010-10-09 2012-05-09 上海南大集团有限公司 Manufacturing process for double-color insulated wire
CN202549377U (en) * 2012-05-04 2012-11-21 常熟泓淋电线电缆有限公司 Separable photovoltaic cable with multiple cores in parallel arrangement
CN103325459A (en) * 2013-05-31 2013-09-25 成都亨通光通信有限公司 Photodetachment easily-branching type mixed cable in shape of Arabic number 8
CN203966589U (en) * 2014-06-13 2014-11-26 江苏亨通线缆科技有限公司 8 font self-supporting cables

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2313271Y (en) * 1997-12-03 1999-04-07 崔宪昌 Telephone rubber-insulated wire
CN101921932A (en) * 2010-08-20 2010-12-22 安徽欣意电缆有限公司 Conductor wire core aluminum alloy for welding machine cable and making method thereof
CN102446588A (en) * 2010-10-09 2012-05-09 上海南大集团有限公司 Manufacturing process for double-color insulated wire
CN202549377U (en) * 2012-05-04 2012-11-21 常熟泓淋电线电缆有限公司 Separable photovoltaic cable with multiple cores in parallel arrangement
CN103325459A (en) * 2013-05-31 2013-09-25 成都亨通光通信有限公司 Photodetachment easily-branching type mixed cable in shape of Arabic number 8
CN203966589U (en) * 2014-06-13 2014-11-26 江苏亨通线缆科技有限公司 8 font self-supporting cables

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Application publication date: 20170609