CN102737765A - Photovoltaic cable with parallel line structure and method for manufacturing photovoltaic cable - Google Patents
Photovoltaic cable with parallel line structure and method for manufacturing photovoltaic cable Download PDFInfo
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- CN102737765A CN102737765A CN2012102140869A CN201210214086A CN102737765A CN 102737765 A CN102737765 A CN 102737765A CN 2012102140869 A CN2012102140869 A CN 2012102140869A CN 201210214086 A CN201210214086 A CN 201210214086A CN 102737765 A CN102737765 A CN 102737765A
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Abstract
The invention discloses a method for manufacturing photovoltaic cables with parallel line structures. The method comprises the following steps of: selecting a first conductor and a second conductor; extruding a first insulating layer on the periphery of the first conductor to obtain a first cable core; extruding a second insulating layer on the periphery of the second conductor to obtain a second cable core; respectively inserting the first cable core and the second cable core in two mold holes positioned in the same extruding mold; inputting sheath materials in two colors into the extruding mold; and simultaneously extruding a sheath assembly on the first cable core and the second cable core through the extruding mold. The sheath assembly comprises a first sheath, a second sheath and a band-shaped component, wherein the first sheath wraps the first cable core; the second sheath wraps the second cable core; the first sheath is connected with the second sheath by the band-shaped component; and the first sheath consists of a sheath body and a polarity marking strip. The sheath assembly wraps the two cable cores simultaneously through an extrusion molding process when the sheaths are extruded, so that two side-by-side and independent photovoltaic cables are formed.
Description
Technical field
The present invention relates to a kind of cable, be specifically related to a kind of solar photovoltaic cable and manufacturing approach of parallel lines structure.
Background technology
The energy is that the mankind rely the basic resources in the survival and development; Continuous progress and development along with society; Conventional energy resource such as coal, oil reduces day by day, and can will become the following human main only choosing of using the energy by solar energy as inexhaustible environmental protection.Solar energy industry developed rapidly in recent years, caused the solar cables use amount supporting with it also more and more, required also increasingly high.
Present solar cables is single structure; Single solar cables is made up of conductor, insulating barrier and sheath; Solar cables for needs, can lay many usually in laid processes, repeatedly single solar cables is dragged for the staff of cabling like this and lay; Original single working strength of laying is just big, and therefore the solar cables of single structure has increased staff's labour intensity when repeatedly laying.In addition, lay many solar cables after because the solid colour of every solar cables oversheath, after solar cables one end connects power supply, arrived the polarity that the other end can't directly be judged certain root cable, inconvenient when therefore using.
Summary of the invention
To the problems referred to above; The solar photovoltaic cable manufacturing approach that the purpose of this invention is to provide a kind of parallel lines structure; The present invention is wrapped simultaneously two cable cores through extrusion process by a jacket assembly when extruding sheath, form two side by side and independently solar photovoltaic cables.
The technical scheme that realizes above-mentioned purpose is following:
The solar photovoltaic cable manufacturing approach of parallel lines structure may further comprise the steps: select first conductor and second conductor, extrude first insulating barrier in the first conductor periphery and obtain first cable core, extrude second insulating barrier in the periphery of second conductor and obtain second cable core;
First cable core and second cable core are inserted from same two nibs that extrude on the mould respectively; The sheath material of two kinds of colors of input in extruding mould; On first cable core and second cable core, extrude out a jacket assembly simultaneously through extruding mould, this jacket assembly comprises first sheath that wraps up first cable core, wraps up second sheath of second cable core; And the strip-shaped members that connects first sheath and second sheath, first sheath is made up of sheath body and polarity designation strip.
The material of said first insulating barrier and second insulating barrier is low smoke and zero halogen cross-linking radiation polyolefin.
The material of said jacket assembly is an extrusion type low smoke and zero halogen cross-linking radiation polyolefin.
The said mould that extrudes comprises core rod and die sleeve; One end of die sleeve is provided with pilot hole; The die sleeve other end is provided with first nib and second nib that is communicated with pilot hole, is interconnected through interface channel between first nib and second nib, and an end of core rod is arranged in the pilot hole of die sleeve; Leave the gap that supplies sheath material to pass through between the periphery of core rod and the pilot hole, core rod is provided with the first axial pilot hole and second pilot hole.
Adopted such scheme; Through method of the present invention, two cable cores are wrapped by a jacket assembly simultaneously when extruding sheath, form two side by side and independently solar photovoltaic cables; And when extruding sheath the also one-body molded strip-shaped members that connects two cables; When doing cable laying work, solar photovoltaic cable of the present invention can disposablely lay two, helps reducing working strength of workers.In addition, first sheath is made up of sheath body and polarity designation strip, and first sheath can be used to distinguish the polarity that electrode connects power supply by comprising two kinds of different colours in use, has increased the convenience of using.
Another object of the present invention provides a kind of solar photovoltaic cable of parallel lines structure; Two cable cores of cable of the present invention are wrapped by a jacket assembly simultaneously when extruding sheath, form two side by side and independently solar photovoltaic cable the advantage of being convenient to lay is arranged.
The solar photovoltaic cable of parallel lines structure comprises first conductor arranged side by side and second conductor, extrudes first insulating barrier in the first conductor periphery and obtains first cable core, extrudes second insulating barrier in the periphery of second conductor and obtains second cable core; The jacket assembly that also comprises parcel first cable core and second cable core; This jacket assembly comprises first sheath that wraps up first cable core; Wrap up second sheath of second cable core; And the strip-shaped members that connects first sheath and second sheath, said first sheath is made up of sheath body and polarity designation strip.
The material of said first insulating barrier and second insulating barrier is low smoke and zero halogen cross-linking radiation polyolefin.
The material of said jacket assembly is a low smoke and zero halogen cross-linking radiation polyolefin.
Adopted such scheme; In the solar photovoltaic cable of the present invention, two cable cores are wrapped by a jacket assembly when extruding sheath simultaneously, form two side by side and independently solar photovoltaic cables; And when extruding sheath the also one-body molded strip-shaped members that connects two cables; When doing cable laying work, solar photovoltaic cable of the present invention can disposablely lay two, helps reducing working strength of workers.In addition, first sheath is made up of sheath body and polarity designation strip, and first sheath can be used to distinguish the polarity that electrode connects power supply by comprising two kinds of different colours in use, has increased the convenience of using.
Solar photovoltaic cable of the present invention has following performance:
1. higher mechanical properties and good flexibility are arranged, and Cable Bending Radius is 6 times of the outside diameter of cable;
2. long-term work temperature is-40 ℃～90 ℃, and maximum operating temperature is 120 ℃.Be 25 years the normal useful life of cable.
3. have the Halogen characteristic, satisfy IEC 60754-1 and IEC 60754-2 requirement, halogen content is not more than 5mg/g, and the pH value is not less than 4.3, and conductivity is not more than 10 μ S/mm.
4. have the feature of environmental protection, wherein lead, mercury, Cr VI, the content that gathers bromo biphenyl and gather dibromodiphenyl ether are lower than 0.1% (1000ppm), and cadmium content is lower than 0.01% (100ppm), HCL≤0.5%, HBr≤0.5%; F≤0.1%, all parts meet the RoHS requirement;
5. has high flame resistance, through the VW-1 vertical combustion requirement of single vertical combustion requirement of IEC 60332-1 and UL1581;
6. have resistance to acids and bases, humidity resistance, anti-ozone, ultra-violet resistance.
Another purpose of the present invention provides a kind of mould that extrudes of the solar photovoltaic cable sheath that is used to make parallel lines structure; Through this mould two cable cores are wrapped simultaneously when extruding sheath by a jacket assembly, form two side by side and independently solar photovoltaic cable the advantage of being convenient to lay is arranged.
Be used to make the mould that extrudes of solar photovoltaic cable sheath; The said mould that extrudes comprises core rod and die sleeve, and an end of die sleeve is provided with pilot hole, and the die sleeve other end is provided with first nib and second nib that is communicated with pilot hole; Be interconnected through interface channel between first nib and second nib; One end of core rod is arranged in the pilot hole of die sleeve, leaves the gap that supplies sheath material to pass through between the periphery of core rod and the pilot hole, and core rod is provided with the first axial pilot hole and second pilot hole.
Pilot hole on the said die sleeve is tapered pilot hole, and the periphery of the part that is arranged in pilot hole of said core rod is tapered.
One end of first pilot hole and second pilot hole is communicated with a pilot hole.
One end of first cable core and second cable core is inserted in the pilot hole, enforces cable core and move axially along pilot hole, first cable core enters into first pilot hole; Second cable core enters into second pilot hole, continues to enforce cable core and moves axially along pilot hole, and first cable core enters into first nib; Second cable core enters into second nib; The sheath material that extrudes is transported to the periphery of core rod and the gap location between the pilot hole through transport, and under pressure, sheath material is along Clearance Flow to first nib with in second nib; The sheath material that flows in first nib has two kinds of colors; Therefore, form by sheath body and polarity designation strip, can be used for distinguishing the polarity that connects power supply during use at first sheath.
Description of drawings
Fig. 1 is the structural representation of solar photovoltaic cable of the present invention;
Fig. 2 is the assembly structure figure that extrudes mould;
Fig. 3 is the front view of core rod;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the front view of die sleeve;
Fig. 6 is the vertical view of Fig. 5;
In the accompanying drawing, 10 is first conductor, and 11 is first insulating barrier, and 20 is second conductor, and 21 is second insulating barrier, and 30 is jacket assembly; 31 is first sheath, and 31a is the sheath body, and 31b is the polarity designation strip, and 32 is second sheath, and 33 is strip-shaped members; 40 is core rod, and 41 is first pilot hole, and 42 is second pilot hole, and 43 is pilot hole, and 50 is die sleeve; 51 is pilot hole, and 52 is first nib, and 53 is second nib, and 54 is interface channel, and 60 is the gap.
Embodiment
Referring to figs. 1 through Fig. 6, the solar photovoltaic cable manufacturing approach of parallel lines structure of the present invention may further comprise the steps: selecting first conductor 10 and second conductor, 20, the first conductors 10 and second conductor 20 is the annealed copper silk or the zinc-plated annealed copper silk of strands.Extrude first insulating barrier 11 in first conductor, 10 peripheries and obtain first cable core; Extrude second insulating barrier 21 in the periphery of second conductor 20 and obtain second cable core; The thickness of first insulating barrier 11 and second insulating barrier 21 is 0.5mm-1.5mm, and the material of first insulating barrier 11 and second insulating barrier 21 is low smoke and zero halogen cross-linking radiation polyolefin.First cable core and second cable core are inserted from same two nibs that extrude on the mould respectively; The sheath material of two kinds of colors of input in extruding mould; On first cable core and second cable core, extrude out a jacket assembly 30 simultaneously through extruding mould, the thickness of jacket assembly 30 is 0.5mm-1.5mm.This jacket assembly comprises first sheath 31 that wraps up first cable core, wraps up second sheath 32 of second cable core, and strip-shaped members 33, the first sheaths that connect first sheath and second sheath are made up of sheath body 31a and polarity designation strip 31b.The material of jacket assembly is an extrusion type low smoke and zero halogen cross-linking radiation polyolefin.The said mould that extrudes comprises core rod 40 and die sleeve 50, and an end of die sleeve 50 is provided with pilot hole 51, and the pilot hole 51 on the die sleeve is tapered pilot hole.Die sleeve 50 other ends are provided with between first nib 52 that is communicated with pilot hole and second nib, 53, the first nibs and second nib and are interconnected through interface channel 54, and interface channel 54 is used for moulding strip-shaped members 33, and the width of strip-shaped members 33 is 0.1mm-1.5mm.One end of core rod 40 is arranged in the pilot hole 51 of die sleeve 50, and the periphery of the part that is arranged in pilot hole of core rod 40 is tapered.Leave the gap 60 that supplies sheath material to pass through between the periphery of core rod 40 and the pilot hole 51.Core rod 40 is provided with the first axial pilot hole 41 and second pilot hole 42; First pilot hole 41 is used for first cable core and when extruding oversheath, first cable core is led, and second pilot hole 42 is used for second cable core and when extruding oversheath, second cable core is led.One end of first pilot hole and second pilot hole is communicated with a pilot hole 43; Pilot hole 43 is two insertion mouths that cable core is total; When two cable cores proceed to the step between pilot hole 43 and first pilot hole and second pilot hole; Two cable cores are divided into two-way, a kind of first pilot hole that enters into, and another road enters into second pilot hole.
With reference to Fig. 1, the solar photovoltaic cable of parallel lines structure of the present invention comprises that first conductor 10 arranged side by side and second conductor, 20, the first conductors 10 and second conductor 20 are the annealed copper silk or the zinc-plated annealed copper silk of strands.Extrude first insulating barrier 11 in first conductor, 10 peripheries and obtain first cable core, extrude second insulating barrier 21 in the periphery of second conductor 20 and obtain second cable core.The thickness of first insulating barrier 11 and second insulating barrier 21 is 0.5mm-1.5mm.The material of said first insulating barrier and second insulating barrier is low smoke and zero halogen cross-linking radiation polyolefin.Also comprise the jacket assembly 30 of parcel first cable core and second cable core, the thickness of jacket assembly 30 is 0.5mm-1.5mm.This jacket assembly comprises first sheath 31 that wraps up first cable core, wraps up second sheath 32 of second cable core, and the strip-shaped members 33 that connects first sheath and second sheath, and the width of strip-shaped members 33 is 0.1mm-1.5mm.Said first sheath is made up of sheath body 31a and polarity designation strip 31b.The material of jacket assembly is a low smoke and zero halogen cross-linking radiation polyolefin.
With reference to Fig. 2 to Fig. 6; The solar photovoltaic cable sheath that is used to make parallel lines structure of the present invention extrude mould; The said mould that extrudes comprises core rod 40 and die sleeve 50, and an end of die sleeve 50 is provided with pilot hole 51, and the pilot hole 51 on the die sleeve is tapered pilot hole.Die sleeve 50 other ends are provided with between first nib 52 that is communicated with pilot hole and second nib, 53, the first nibs and second nib and are interconnected through interface channel 54, and interface channel 54 is used for moulding strip-shaped members 33.One end of core rod 40 is arranged in the pilot hole 51 of die sleeve 50, and the periphery of the part that is arranged in pilot hole of core rod 40 is tapered.Leave the gap that supplies sheath material to pass through between the periphery of core rod 40 and the pilot hole 51.Core rod 40 is provided with the first axial pilot hole 41 and second pilot hole 42; First pilot hole 41 is used for first cable core and when extruding oversheath, first cable core is led, and second pilot hole 42 is used for second cable core and when extruding oversheath, second cable core is led.One end of first pilot hole and second pilot hole is communicated with a pilot hole 43; Pilot hole 43 is two insertion mouths that cable core is total; When two cable cores proceed to the step between pilot hole 43 and first pilot hole and second pilot hole; Two cable cores are divided into two-way, a kind of first pilot hole that enters into, and another road enters into second pilot hole.
Use of the present invention extrude mould to the cable core of cable extrude the mistake of oversheath with as follows:
One end of first cable core and second cable core is inserted in the pilot hole 43, enforces cable core and move axially along pilot hole 43, first cable core enters into first pilot hole 41; Second cable core enters into second pilot hole 42, continues to enforce cable core and moves axially along pilot hole 43, and first cable core enters into first nib 52; Second cable core enters into second nib 53; The sheath material that extrudes is transported to the periphery of core rod 40 and the gap location between the pilot hole 51 through transport, and under pressure, sheath material is along Clearance Flow to first nib with in second nib; The sheath material that flows in first nib has two kinds of colors; Therefore, form by sheath body and polarity designation strip, can be used for distinguishing the polarity that connects power supply during use at first sheath.
Claims (10)
1. the solar photovoltaic cable manufacturing approach of a parallel lines structure; It is characterized in that; May further comprise the steps: select first conductor and second conductor, extrude first insulating barrier in the first conductor periphery and obtain first cable core, extrude second insulating barrier in the periphery of second conductor and obtain second cable core;
First cable core and second cable core are inserted from same two nibs that extrude on the mould respectively; The sheath material of two kinds of colors of input in extruding mould; On first cable core and second cable core, extrude out a jacket assembly simultaneously through extruding mould, this jacket assembly comprises first sheath that wraps up first cable core, wraps up second sheath of second cable core; And the strip-shaped members that connects first sheath and second sheath, first sheath is made up of sheath body and polarity designation strip.
2. according to the solar photovoltaic cable manufacturing approach of the said parallel lines structure of claim 1, it is characterized in that the material of said first insulating barrier and second insulating barrier is low smoke and zero halogen cross-linking radiation polyolefin.
3. according to the solar photovoltaic cable manufacturing approach of the said parallel lines structure of claim 1, it is characterized in that the material of said jacket assembly is an extrusion type low smoke and zero halogen cross-linking radiation polyolefin.
4. according to the solar photovoltaic cable manufacturing approach of any said parallel lines structure of claim 1 to 3; It is characterized in that; The said mould that extrudes comprises core rod and die sleeve, and an end of die sleeve is provided with pilot hole, and the die sleeve other end is provided with first nib and second nib that is communicated with pilot hole; Be interconnected through interface channel between first nib and second nib; One end of core rod is arranged in the pilot hole of die sleeve, leaves the gap that supplies sheath material to pass through between the periphery of core rod and the pilot hole, and core rod is provided with the first axial pilot hole and second pilot hole.
5. the solar photovoltaic cable of a parallel lines structure is characterized in that, comprises first conductor arranged side by side and second conductor, extrudes first insulating barrier in the first conductor periphery and obtains first cable core, extrudes second insulating barrier in the periphery of second conductor and obtains second cable core; The jacket assembly that also comprises parcel first cable core and second cable core; This jacket assembly comprises first sheath that wraps up first cable core; Wrap up second sheath of second cable core; And the strip-shaped members that connects first sheath and second sheath, said first sheath is made up of sheath body and polarity designation strip.
6. according to the solar photovoltaic cable of the said parallel lines structure of claim 5, it is characterized in that the material of said first insulating barrier and second insulating barrier is low smoke and zero halogen cross-linking radiation polyolefin.
7. according to the solar photovoltaic cable of the said parallel lines structure of claim 5, it is characterized in that the material of said jacket assembly is a low smoke and zero halogen cross-linking radiation polyolefin.
8. a solar photovoltaic cable sheath that is used to make parallel lines structure extrudes mould; It is characterized in that; The said mould that extrudes comprises core rod and die sleeve, and an end of die sleeve is provided with pilot hole, and the die sleeve other end is provided with first nib and second nib that is communicated with pilot hole; Be interconnected through interface channel between first nib and second nib; One end of core rod is arranged in the pilot hole of die sleeve, leaves the gap that supplies sheath material to pass through between the periphery of core rod and the pilot hole, and core rod is provided with the first axial pilot hole and second pilot hole.
9. the said according to Claim 8 solar photovoltaic cable sheath that is used to make parallel lines structure extrude mould, it is characterized in that the pilot hole on the said die sleeve is tapered pilot hole, the periphery of the part that is arranged in pilot hole of said core rod is tapered.
10. the said according to Claim 8 solar photovoltaic cable sheath that is used to make parallel lines structure extrude mould, it is characterized in that an end of first pilot hole and second pilot hole is communicated with a pilot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102140869A CN102737765A (en) | 2012-06-26 | 2012-06-26 | Photovoltaic cable with parallel line structure and method for manufacturing photovoltaic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102140869A CN102737765A (en) | 2012-06-26 | 2012-06-26 | Photovoltaic cable with parallel line structure and method for manufacturing photovoltaic cable |
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| Publication Number | Publication Date |
|---|---|
| CN102737765A true CN102737765A (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102140869A Pending CN102737765A (en) | 2012-06-26 | 2012-06-26 | Photovoltaic cable with parallel line structure and method for manufacturing photovoltaic cable |
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| CN (1) | CN102737765A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3276635B1 (en) * | 2016-07-28 | 2020-02-05 | REV Ritter GmbH | Rubber or plastic hose line and method for its manufacture |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2679805Y (en) * | 2003-11-27 | 2005-02-16 | 张东升 | Improved extruding tool of parellel boundled cable |
| CN2846100Y (en) * | 2005-12-23 | 2006-12-13 | 鲁能泰山曲阜电缆有限公司 | Cable sheath extruding self setting core mouth mold |
| CN201242900Y (en) * | 2008-07-16 | 2009-05-20 | 浙江万马电缆股份有限公司 | Ribbon short-circuit-proof two-core parallel cable |
| CN202159503U (en) * | 2011-04-18 | 2012-03-07 | 上海金友金弘电线电缆有限公司 | Twin-core 8-shaped separable photovoltaic cable |
-
2012
- 2012-06-26 CN CN2012102140869A patent/CN102737765A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2679805Y (en) * | 2003-11-27 | 2005-02-16 | 张东升 | Improved extruding tool of parellel boundled cable |
| CN2846100Y (en) * | 2005-12-23 | 2006-12-13 | 鲁能泰山曲阜电缆有限公司 | Cable sheath extruding self setting core mouth mold |
| CN201242900Y (en) * | 2008-07-16 | 2009-05-20 | 浙江万马电缆股份有限公司 | Ribbon short-circuit-proof two-core parallel cable |
| CN202159503U (en) * | 2011-04-18 | 2012-03-07 | 上海金友金弘电线电缆有限公司 | Twin-core 8-shaped separable photovoltaic cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3276635B1 (en) * | 2016-07-28 | 2020-02-05 | REV Ritter GmbH | Rubber or plastic hose line and method for its manufacture |
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Application publication date: 20121017 |