CN109712749A - A kind of high voltage bearing flexible cable of high frequency tolerant and preparation method thereof - Google Patents
A kind of high voltage bearing flexible cable of high frequency tolerant and preparation method thereof Download PDFInfo
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- CN109712749A CN109712749A CN201811608376.5A CN201811608376A CN109712749A CN 109712749 A CN109712749 A CN 109712749A CN 201811608376 A CN201811608376 A CN 201811608376A CN 109712749 A CN109712749 A CN 109712749A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000011521 glass Substances 0.000 claims abstract description 88
- 229920001973 fluoroelastomer Polymers 0.000 claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 35
- 229920002635 polyurethane Polymers 0.000 claims abstract description 17
- 239000004814 polyurethane Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000001746 injection moulding Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 8
- 229920002379 silicone rubber Polymers 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 4
- 238000005491 wire drawing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 144
- 230000005611 electricity Effects 0.000 description 7
- 238000009413 insulation Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 239000003063 flame retardant Substances 0.000 description 6
- 230000007774 longterm Effects 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Abstract
The invention discloses a kind of high voltage bearing flexible cable of high frequency tolerant, including conducting wire and annular covering material, the annular covering material coated wires；The annular covering material successively includes the first silastic-layer, the first glass layer, the first fluororubber layer, the second glass layer, metal net layer and layer of polyurethane from the inside to the outside.The invention also discloses a kind of preparation methods of the high voltage bearing flexible cable of high frequency tolerant.The high voltage bearing flexible cable of high frequency tolerant of the present invention be suitable for high voltage, high-frequency working environment, have many advantages, such as good high temperature resistant, high pressure resistant, high frequency tolerant, function of shielding by force, good flame retardation effect, meet standard of the European Union in relation to high voltage electric transmission cable.
Description
Technical field
The present invention relates to field of cable technology more particularly to a kind of high voltage bearing flexible cable of high frequency tolerant and the high frequency tolerant
The preparation method of high voltage bearing flexible cable.
Background technique
Wire and cable is to transmit electric (magnetic) energy, information and the wire product for realizing electromagnetic energy conversion.The electric wire electricity of broad sense
Cable is also referred to simply as cable, and the cable of narrow sense refers to insulated cable, it may be defined as: the aggregate consisted of following parts: one
Or the clad that a plurality of insulated core and each may have, total protective layer and outer jacket, cable can also have additional
The conductor not insulated.Cable have power cable, control cable, compensating cable, shielded cable, high-temperature cable, computer cable,
Signal cable, coaxial cable, fire-resisting cable, cable for ship, mine cable, aluminium alloy cable etc..They be all by sub-thread or
Stranded conductor and insulating layer composition, for connecting circuit, electric appliance etc..Wherein, power cable is mainly used for the cable of transmission of electricity, needs
The test of high voltage, high temperature and high frequency is born, and packaging material used by conventional power cable is mainly that rubber (allows core
The temperature of long-term work is 65 DEG C), the polyvinyl chloride temperature of core long-term work (allow be 70 DEG C), crosslinked polyethylene (permission
The temperature of core long-term work is 90 DEG C) etc..The power cable prepared by these packaging materials does not have high frequency tolerant, resistance to high electricity usually
The effect of pressure, and flame retardant effect is poor, does not also have corrosion resistant effect.
Summary of the invention
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide a kind of high voltage bearing flexibilities of high frequency tolerant
Cable, with solve non-refractory existing for above-mentioned existing cable, flame retardant effect it is poor, it is not high pressure resistant, be unable to reach electrostatic screen
Effect and not corrosion-resistant problem.
The second object of the present invention is to provide a kind of preparation method of high voltage bearing flexible cable of high frequency tolerant, passes through the party
The high voltage bearing flexible cable of the high frequency tolerant that method is prepared, with solve non-refractory existing for above-mentioned existing cable, flame retardant effect it is poor,
Effect that is not high pressure resistant, being unable to reach electrostatic screen and not corrosion-resistant problem.
An object of the present invention adopts the following technical scheme that realization:
A kind of high voltage bearing flexible cable of high frequency tolerant, including conducting wire and annular covering material, the annular covering material packet
Cover conducting wire；
The annular covering material successively includes the first silastic-layer, the first glass layer, the first fluorine rubber from the inside to the outside
Glue-line, the second glass layer, metal net layer and layer of polyurethane.
Further, the diameter of section of the conducting wire is 0.1~1.5mm, and the diameter of section of first silastic-layer is 2
~5mm, the diameter of section of first glass layer are 5~5.4mm, and the diameter of section of first fluororubber layer is 5.4
~7.5mm, the diameter of section of second glass layer are 7.4~7.9mm, and the diameter of section of the metal net layer is 16.8
~17.2mm, the diameter of section of the layer of polyurethane are 17.2~18mm.
Further, the second silastic-layer and third glass are additionally provided between second glass layer and metal net layer
Glass fibrous layer；
Second silastic-layer coats the second glass layer, and the third glass layer coats the second silicon rubber
Layer.
Further, the diameter of section of second silastic-layer is 7.9~12mm, and the third glass layer is cut
Face diameter is 12~12.4mm.
Further, the second fluororubber layer and the 4th glass are additionally provided between the third glass layer and metal net layer
Glass fibrous layer；
Second fluororubber layer coats third glass layer, and the 4th glass layer coats the second fluorubber
Layer.
Further, the diameter of section of second fluororubber layer is 12.4~16.4mm, the 4th glass layer
Diameter of section be 16.4~16.8mm.
Further, the diameter of section of the conducting wire is 0.2mm, and the diameter of section of first silastic-layer is 5mm, institute
The diameter of section for stating the first glass layer is 5.4mm, and the diameter of section of first fluororubber layer is 7.5mm, described second
The diameter of section of glass layer is 7.9mm；
The diameter of section of second silastic-layer is 12mm, and the diameter of section of the third glass layer is
The diameter of section of 12.4mm, second fluororubber layer are 16.4mm, and the diameter of section of the 4th glass layer is
16.8mm；
The diameter of section of the metal net layer is 17.2mm, and the diameter of section of the layer of polyurethane is 18mm.
Further, the conducting wire is copper wire, and the metal mesh is copper mesh.
The second object of the present invention adopts the following technical scheme that realization:
The preparation method of the above-mentioned high voltage bearing flexible cable of high frequency tolerant, which is characterized in that include the following steps；
Wire drawing: according to production specification, metal is drawn into silk, plain conductor is made；
Injection molding: coextrusion insulated injection molding is carried out using silicon rubber, glass fibre and fluorubber, the first silicon of coated wire is made
Primary cable is made in rubber layer, the first glass layer, the first fluororubber layer and the second glass layer；
Shielding: in primary cable outer cladding metal mesh, metal net layer is made；
Add sheath: upper layer of polyurethane sheath being coated by injection molding manner outside metal net layer, cable is made.
Further, successively exhausted using silicon rubber, glass fibre and fluorubber progress co-extrusion in two times in injection step
Edge injection molding, be made the first silastic-layer of coated wire, the first glass layer, the first fluororubber layer, the second glass layer,
Second silastic-layer, third glass layer, the second fluororubber layer and the 4th glass layer.
Compared with prior art, the beneficial effects of the present invention are:
(1) the high voltage bearing flexible cable of high frequency tolerant of the present invention is suitable for high voltage, high-frequency working environment, has good
High temperature resistant, the advantages that high pressure resistant, high frequency tolerant, function of shielding be strong, good flame retardation effect, meet the related high voltage electric transmission cable of European Union
Standard.
(2) preparation method of the high voltage bearing flexible cable of high frequency tolerant of the present invention can be prepared quickly resistance to by this method
The high voltage bearing flexible cable of high frequency has many advantages, such as that preparation process is simple, production cost is low and is convenient for automation control.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the high voltage bearing flexible cable of high frequency tolerant of one embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the high voltage bearing flexible cable of high frequency tolerant of another embodiment of the present invention.
In figure: 1, conducting wire；2, the first silastic-layer；3, the first glass layer；4, the first fluororubber layer；5, the second glass
Fibrous layer；6, the second silastic-layer；7, third glass layer；8, the second fluororubber layer 9, the 4th glass layer；10, metal
Stratum reticulare；11, layer of polyurethane.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
Embodiment 1
As shown in Figure 1, being the high voltage bearing flexible cable of high frequency tolerant of one embodiment of the present invention.The high frequency tolerant is high pressure resistant
Flexible cable from the inside to the outside successively are as follows: conducting wire 1, the first silastic-layer 2, the first glass layer 3, the first fluororubber layer 4,
Two glass layers 5, metal net layer 10 and layer of polyurethane 11.
In the high voltage bearing flexible cable of high frequency tolerant of the present invention, the main function of the first silastic-layer 2 is high temperature resistant, corrosion-resistant
And insulation, the main function of the first glass layer 3 are insulation, high temperature resistant, the main function of the first fluororubber layer 4 be it is heat-insulated,
High frequency tolerant and fire-retardant, the main function of the second glass layer 5 equally insulate, high temperature resistant.The main function screen of metal net layer 10
It covers and high frequency tolerant, the main function of layer of polyurethane 11 is protection copper mesh, meanwhile, layer of polyurethane 11 is used as a kind of flexible shroud,
Impact of the energy absorbing external to conducting wire 1, plays the role of protecting endothecium structure.
As preferred embodiment, the diameter of section of conducting wire 1 is 0.1~1.5mm, and the section of the first silastic-layer 2 is straight
Diameter is 2~5mm, and the diameter of section of the first glass layer 3 is 5~5.4mm, the diameter of section of the first fluororubber layer 4 is 5.4~
7.5mm, the diameter of section of the second glass layer 5 are 7.5~7.9mm, the diameter of section of metal net layer 10 is 16.8~
17.2mm, the diameter of section of layer of polyurethane 11 are 17~18mm.As a result, by adjusting conducting wire 1, the first silastic-layer 2, the first glass
Glass fibrous layer 3, the first fluororubber layer 4, the second glass layer 5, metal net layer 10 and layer of polyurethane 11 thickness, adapt to not
With the demand of cable.
As preferred embodiment, conducting wire 1 is copper wire, and metal mesh 10 is copper mesh.Copper wire is small with resistivity, is suitble to add
Many advantages, such as work is at conducting wire and strong flexibility.Copper mesh equally by forming electrostatic screen layer, effectively prevent high frequency, high-voltage electricity
To the influence of external environment in cable electricity transmission process, interference of the external electromagnetic radiation to cable also can effectively prevent.
Embodiment 2
Difference between embodiment 2 and embodiment 1 is: as shown in Fig. 2, the second glass layer 5 and metal net layer 10
Between be also provided with the second silastic-layer 6 and third glass layer 7.Wherein, the second silastic-layer 6 coats the second glass
Fibrous layer 5, third glass layer 7 coat the second silastic-layer 6.As a result, by means of the high temperature resistant of the second silastic-layer 6, resistance to
The physical characteristics such as corrosion and insulation, can further strengthen the high temperature resistant of the cable, corrosion-resistant and insulation function.By means of third
The insulation and high temperature resistant feature of glass layer 7, also can further protect the not heat damage of metal net layer 10.
As preferred embodiment, the diameter of section of the second silastic-layer is 7.9~12mm, third glass layer
Diameter of section is 12~12.4mm.Guaranteeing the high voltage bearing flexible cable of the high frequency tolerant with preferable high frequency tolerant, high pressure resistant resistance
Under the premise of combustion and function of shielding, the thickness of the high voltage bearing flexible cable of the high frequency tolerant can be effectively adjusted, different field of electric force are adapted to
It closes and uses.
As preferred embodiment, the second fluorubber is additionally provided between third glass layer 7 and metal net layer 10
Layer 8 and the 4th glass layer 9.Second fluororubber layer 8 coats third glass layer 7, the 4th glass layer 9 cladding second
Fluororubber layer 8.As a result, by means of the heat-insulated of the second fluororubber layer 8, high frequency tolerant and flame-retarding characteristic, it is resistance to can further to strengthen this
The heat-insulated of the high voltage bearing flexible cable of high frequency, high frequency tolerant and flame retarding function.It is resistance to that 4th glass layer 9 also can further strengthen this
The insulation and high temperature resistant feature of the high voltage bearing flexible cable of high frequency guarantee that the cable adapts to high pressure, high frequency transmission of electricity, guarantee the cable
It is unlikely to break down in long-term use.
As preferred embodiment, the diameter of section of the second fluororubber layer is 12.4~16.4mm, the 4th glass fibre
The diameter of section of layer is 16.4~16.8mm.By adjusting the second fluororubber layer and the thickness of the 4th glass layer, one tune
The whole thickness of economize on electricity cable, the two adjust the high pressure resistant of cable, high frequency tolerant, fire-retardant and heat-proof quality, adapt to different electric power occasions
It uses.
As preferred embodiment, the diameter of section of conducting wire is 0.2mm, and the diameter of section of the first silastic-layer is 5mm,
The diameter of section of first glass layer is 5.4mm, and the diameter of section of the first fluororubber layer is 7.5mm, the second glass layer
Diameter of section be 7.9mm.The diameter of section of second silastic-layer is 12mm, and the diameter of section of third glass layer is
12.4mm, the diameter of section of the second fluororubber layer are 16.4mm, and the diameter of section of the 4th glass layer is 16.8mm.Metal mesh
The diameter of section of layer is 17.2mm, and the diameter of section of layer of polyurethane is 18mm.By optimizing the thickness of each clad, realize each
The profile error of a clad can optimally realize heat-insulated, high pressure resistant, high frequency tolerant, high temperature resistant, electrostatic screen, fire-retardant and lead
The good protection of line, moreover it is possible to farthest save covering material, save the cost.
Embodiment 3
The high voltage bearing flexible cable of high frequency tolerant in embodiment 1 uses to be prepared following preparation method.
Drawing step: according to production specification, metal is drawn into silk, plain conductor 1 is made.In specific production process, it is
It the toughness of lifting lead wire 1, the intensity for reducing conducting wire 1 and prevents conducting wire 1 from aoxidizing, annealing steps can also be added.
Injection step: coextrusion insulated injection molding is carried out using silicon rubber, glass fibre and fluorubber, coated wire 1 is made
Primary cable is made in first silastic-layer 2, the first glass layer 3, the first fluororubber layer 4 and the second glass layer 5.
Mask steps: in primary cable outer cladding metal mesh, metal net layer 10 is made.
Add sheath step: upper 11 sheath of layer of polyurethane being coated by injection molding manner outside metal net layer 10, cable is made.By
This, is made the high voltage bearing flexible cable of high frequency tolerant in embodiment 1.
Embodiment 4
The high voltage bearing flexible cable of high frequency tolerant in embodiment 2 uses to be prepared following preparation method.
In the injection step of above-described embodiment 3, successively it is total in two times using silicon rubber, glass fibre and fluorubber
Insulation injection molding is squeezed, the first silastic-layer 2, the first glass layer 3, the first fluororubber layer 4, the second glass of coated wire is made
Fibrous layer 5, the second silastic-layer 6, third glass layer 7, the second fluororubber layer 8 and the 4th glass layer 9.It makes as a result,
Obtain the high voltage bearing flexible cable of high frequency tolerant in embodiment 2.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
1. a kind of high voltage bearing flexible cable of high frequency tolerant, which is characterized in that including conducting wire and annular covering material, the annular packet
Cover material coated wire；
It is described annular covering material from the inside to the outside successively include the first silastic-layer, the first glass layer, the first fluororubber layer,
Second glass layer, metal net layer and layer of polyurethane.
2. the high voltage bearing flexible cable of high frequency tolerant according to claim 1, which is characterized in that the diameter of section of the conducting wire
For 0.1~1.5mm, the diameter of section of first silastic-layer is 2~5mm, the diameter of section of first glass layer
For 5.0~5.4mm, the diameter of section of first fluororubber layer is 5.4~7.5mm, the section of second glass layer
Diameter is 7.5~7.9mm, and the diameter of section of the second silastic-layer is 7.9~12mm, and the section of the third glass layer is straight
Diameter is 12~12.4mm, and the diameter of section of second fluororubber layer is 12.4~16.4mm, the 4th glass layer
Diameter of section is 16.4~16.8mm, and the diameter of section of the metal net layer is 16.8~17.2mm, and the layer of polyurethane is cut
Face diameter is 17.2~18mm.
3. the high voltage bearing flexible cable of high frequency tolerant according to claim 1, which is characterized in that second glass layer
The second silastic-layer and third, the 4th glass layer are additionally provided between metal net layer；
Second silastic-layer coats the second glass layer, and the third glass layer coats the second silastic-layer.
4. the high voltage bearing flexible cable of high frequency tolerant according to claim 3, which is characterized in that second silastic-layer
Diameter of section is 7.9~12mm, and the diameter of section of the third glass layer is 12~12.4mm.
5. the high voltage bearing flexible cable of high frequency tolerant according to claim 3, which is characterized in that the third glass layer
The second fluororubber layer and the 4th glass layer are additionally provided between metal net layer；
Second fluororubber layer coats third glass layer, and the 4th glass layer coats the second fluororubber layer.
6. the high voltage bearing flexible cable of high frequency tolerant according to claim 5, which is characterized in that second fluororubber layer
Diameter of section is 12.4~16.4mm, and the diameter of section of the 4th glass layer is 16.4~16.8mm.
7. the high voltage bearing flexible cable of high frequency tolerant according to claim 5, which is characterized in that the diameter of section of the conducting wire
For 0.2mm, the diameter of section of first silastic-layer is 5mm, and the diameter of section of first glass layer is 5.4mm,
The diameter of section of first fluororubber layer is 7.5mm, and the diameter of section of second glass layer is 7.9mm；
The diameter of section of second silastic-layer is 12mm, and the diameter of section of the third glass layer is 12.4mm, institute
The diameter of section for stating the second fluororubber layer is 16.4mm, and the diameter of section of the 4th glass layer is 16.8mm；
The diameter of section of the metal net layer is 17.2mm, and the diameter of section of the layer of polyurethane is 18mm.
8. the high voltage bearing flexible cable of high frequency tolerant according to claim 5, which is characterized in that the conducting wire is copper wire, institute
Stating metal mesh is copper mesh.
9. the preparation method of the high voltage bearing flexible cable of high frequency tolerant according to claim 1, which is characterized in that including following
Step；
Wire drawing: according to production specification, metal is drawn into silk, plain conductor is made；
Injection molding: coextrusion insulated injection molding is carried out using silicon rubber, glass fibre and fluorubber, the first silicon rubber of coated wire is made
Primary cable is made in layer, the first glass layer, the first fluororubber layer and the second glass layer；
Shielding: in primary cable outer cladding metal mesh, metal net layer is made；
Add sheath: upper layer of polyurethane sheath being coated by injection molding manner outside metal net layer, cable is made.
10. the preparation method of the high voltage bearing flexible cable of high frequency tolerant according to claim 9, which is characterized in that be molded
In step, coextrusion insulated injection molding is successively carried out using silicon rubber, glass fibre and fluorubber in two times, the of coated wire is made
One silastic-layer, the first glass layer, the first fluororubber layer, the second glass layer, the second silastic-layer, third glass fibers
Tie up layer, the second fluororubber layer and the 4th glass layer.
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| CN201811608376.5A CN109712749A (en) | 2018-12-27 | 2018-12-27 | A kind of high voltage bearing flexible cable of high frequency tolerant and preparation method thereof |
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