CN114155999B - Strong anti-interference cable for smart grid and preparation method - Google Patents
Strong anti-interference cable for smart grid and preparation method Download PDFInfo
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- CN114155999B CN114155999B CN202111415378.4A CN202111415378A CN114155999B CN 114155999 B CN114155999 B CN 114155999B CN 202111415378 A CN202111415378 A CN 202111415378A CN 114155999 B CN114155999 B CN 114155999B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 138
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 46
- 230000002787 reinforcement Effects 0.000 claims abstract description 33
- 210000001503 joint Anatomy 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims description 18
- 230000001070 adhesive effect Effects 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims 2
- 238000003032 molecular docking Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000005030 aluminium foil Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 75
- 239000012790 adhesive layer Substances 0.000 description 14
- 229910052802 copper Inorganic materials 0.000 description 13
- 239000010949 copper Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 101100074187 Caenorhabditis elegans lag-1 gene Proteins 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- 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
-
- 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
-
- 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
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Cable Accessories (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a strong anti-interference cable for a smart grid and a preparation method thereof, wherein the strong anti-interference cable comprises a first outer protective sleeve, a fixed shielding layer and an inner protective sleeve, the fixed shielding layer is arranged in the first outer protective sleeve, and the fixed shielding layer is connected with the inner protective sleeve, and the strong anti-interference cable further comprises: the connecting guide core is arranged in the middle of the inner part of the first outer protective sleeve, and a first reinforcement is arranged between the connecting guide core and the inner protective sleeve; the copper wire is arranged in the inner protecting sleeve, and the butt joint groove is formed in the inner wall of the second outer protecting sleeve. This a strong anti-interference cable for smart power grids and preparation method are provided with first reinforcement and fixed shielding layer between connecting guide core and interior lag, and fixed shielding layer is the aluminium foil material, can make the connection guide core more firm of connecting between the interior lag like this, can make the connection guide core and interior lag shield each other moreover, effectively reduce the phenomenon that signal interference appears.
Description
Technical Field
The invention relates to the technical field of intelligent power grids, in particular to a strong anti-interference cable for an intelligent power grid and a preparation method thereof.
Background
The smart power grid is the intellectualization of electric wire netting, realizes the reliable, safe, the high-efficient scheduling target of electric wire netting through advanced technique and equipment, and the use of smart power grid is more and more extensive at present, can bring more convenient for the user, and in smart power grid's use, the cable is essential electric signal transmission device, mainly used to the transportation of electric energy.
However, the existing smart grid has some disadvantages, such as inconvenient anti-interference to signals, when the cable is erected, a phenomenon that adjacent cables interfere with each other can occur between the cables when a plurality of cables occur, self signals of the cables are reduced, and when wires of the cables are connected, the outer insulating sleeve needs to be peeled off, and the existing outer insulating sleeve is more troublesome to peel, so that inconvenience is brought to operation of staff, and the use efficiency of the cables is reduced.
Disclosure of Invention
The invention aims to provide a strong anti-interference cable for a smart grid and a preparation method thereof, which are used for solving the problems that the cable used by the smart grid in the market at present and provided by the background technology is inconvenient to resist interference to signals, when the cable is erected, one cable is usually erected, when a plurality of cables appear, the phenomenon of interference of adjacent cables occurs between the cables, the self signal of the cable is reduced, when wires of the cable are connected, an outer insulating sleeve is required to be stripped, and the existing outer insulating sleeve is more troublesome to strip, so that inconvenience is brought to the operation of staff, and the use efficiency of the cable is also reduced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the strong anti-interference cable for the intelligent power grid comprises a first outer protective sleeve, a fixed shielding layer and an inner protective sleeve, wherein the fixed shielding layer is arranged in the first outer protective sleeve, the fixed shielding layer is connected with the inner protective sleeve,
further comprises:
the connecting guide core is arranged in the middle of the inner part of the first outer protective sleeve, and a first reinforcement is arranged between the connecting guide core and the inner protective sleeve;
the copper wire is arranged in the inner protective sleeve, and twisted pairs are further arranged in the inner protective sleeve;
a second reinforcement member disposed between an outer wall of the fixed shielding layer and an inner wall of the first outer shield;
the connecting block, its set up in both ends surface about the first outer lag, the connecting block keep away from the one end and the first adhesive linkage of first outer lag are connected, just one side that the first adhesive linkage kept away from the connecting block is provided with the second adhesive linkage, and the second adhesive linkage sets up in the inner wall of butt joint groove, the butt joint groove is seted up in the inner wall of second outer lag.
Preferably, the first outer protecting sleeve and the second outer protecting sleeve comprise a wear-resisting layer, a waterproof layer, a reinforcing layer and an insulating layer, and the wear-resisting layer, the waterproof layer, the reinforcing layer and the insulating layer are sequentially arranged from outside to inside, so that the first outer protecting sleeve and the second outer protecting sleeve are firmer in use, and the service performance of the first outer protecting sleeve and the second outer protecting sleeve is guaranteed.
Preferably, the inner protective sleeve is in equal-angle distribution in the first outer protective sleeve, the inner protective sleeve is connected with the fixed shielding layer in a hot melting manner, the fixed shielding layer is made of aluminum foil, the fixed shielding layer and the inner protective sleeve are connected more firmly, the whole cable can be reinforced through the fixed shielding layer, and meanwhile, the bending performance of the cable is not affected.
Preferably, the copper wire is in the inside equiangular distribution of interior lag, and the inside of every interior lag all is provided with 4 copper wires to be provided with the paired line between every adjacent 2 copper wires, be provided with the protective sheath in the outside of copper wire simultaneously, the outside of protective sheath and interior lag and paired line all is provided with the filling layer, the protective sheath is insulating rubber material, has guaranteed copper wire including lag internally mounted's stability, and under the effect of protective sheath, can increase the insulating effect of copper wire, under the effect of paired line, can increase the interference killing effect, also can effectively reduce the interference of this cable itself to external signal, guarantees the normal transport to the signal of telecommunication.
Preferably, the upper and lower ends of the second reinforcement are respectively connected with the first outer protective sleeve and the inner protective sleeve in an adhesive manner, and the second reinforcement is a glass fiber rod, so that the second reinforcement is more firm in use between the first outer protective sleeve and the inner protective sleeve, and the overall firmness of the cable in use is further reinforced.
Preferably, the connecting block with first outer lag is integral type structure, just be hot melt connection between connecting block and the first adhesive linkage, and the size of connecting block with the size of butt joint groove is identical, has guaranteed more firm of being connected between connecting block and the first adhesive linkage, simultaneously under the effect of connecting block, the butt joint installation between first adhesive linkage and the second outer lag of being convenient for, the stripping operation of the staff of being convenient for like this not only brings conveniently for the staff, has also improved the availability factor of this cable.
Preferably, the wear-resisting layer, the waterproof layer, the reinforcing layer and the insulating layer are connected through hot melting, the wear-resisting layer is made of PVC, the waterproof layer is made of a waterproof agent coating, the reinforcing layer is made of a steel belt, and the insulating layer is made of polyethylene, so that the wear resistance, the waterproof property and the insulating property of the first outer protective sleeve and the second outer protective sleeve can be improved, and the stable effect is also improved.
A preparation method of a strong anti-interference cable for a smart grid comprises the following steps:
the first step: preparing all required materials, drawing the connecting guide core and the copper wire, and then enabling the connecting guide core and the copper wire to pass through a pinch roller under the action of external force, so that the cross-sectional areas of the connecting guide core and the copper wire are compressed and the required shape and size are obtained;
and a second step of: making twisted pair, namely interweaving 2 single wires together according to a specified direction, wherein the twisted pair is a pair of mutually insulated metal wires;
and a third step of: coating, namely coating different materials on the outer surfaces of the connecting guide core and the copper wire by adopting special equipment, wherein the outer surfaces of the copper wire are protective sleeves made of insulating rubber materials, inner protective sleeves are arranged on the outer sides of the protective sleeves and the twisted pair, filling layers are arranged in the areas of the inner protective sleeves, the protective sleeves and the twisted pair, a first reinforcing member is arranged between the connecting guide core and the inner protective sleeves, and the outer sides of the inner protective sleeves are coated by fixing shielding layers;
fourth step: bonding one end of a second reinforcement outside the fixed shielding layer, sleeving a first outer protective sleeve on the outer side of the second reinforcement, and bonding the second reinforcement and the inner wall of the first outer protective sleeve to ensure that the second reinforcement is firmly connected between the first outer protective sleeve and the fixed shielding layer;
fifth step: the method comprises the steps of butt-jointing and installing a second outer protective sleeve, coating a first adhesive layer on a connecting block at one end of the first outer protective sleeve, coating a second adhesive layer on the inner wall of a butt-joint groove on the second outer protective sleeve, then clamping the connecting block into the butt-joint groove, butt-jointing the first adhesive layer and the second adhesive layer, firmly connecting the connecting block and the butt-joint groove, and completing the splicing and installation between the first outer protective sleeve and the second outer protective sleeve;
sixth step: and the second reinforcement and the inner wall of the second outer protective sleeve are bonded, so that the second outer protective sleeve is firmer in use, and the follow-up stable use of the whole cable is ensured.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the strong anti-interference cable for the intelligent power grid and the preparation method, the first reinforcement and the fixed shielding layer are arranged between the connecting guide core and the inner protective sleeve, and the fixed shielding layer is made of aluminum foil, so that the connecting guide core and the inner protective sleeve are more firmly connected, the phenomenon of looseness is not easy to occur in later use, the connecting guide core and the inner protective sleeve can be mutually shielded, and the phenomenon of signal interference is effectively reduced;
(2) According to the strong anti-interference cable for the smart grid and the preparation method, copper wires distributed at equal angles are arranged in the inner protective sleeve, the outer sides of the copper wires are provided with protective sleeves made of insulating materials, twisted pairs are arranged between every two adjacent 2 copper wires, and are a pair of mutually insulated metal wires, so that adjacent induction magnetic fields can be mutually offset, an anti-interference effect is achieved, the copper wires can normally convey signals, and disturbance of own signals to the outside is reduced;
(3) According to the strong anti-interference cable for the intelligent power grid and the preparation method, the connecting blocks are arranged at the two ends of the first outer protective sleeve, the first adhesive layer is coated on the connecting blocks, the size of the connecting blocks is identical with that of the butt joint groove on the inner wall of the second outer protective sleeve, and meanwhile, the second adhesive layer is coated on the inner wall of the butt joint groove, so that splicing and installation are conveniently carried out between the first outer protective sleeve and the second outer protective sleeve, when stripping is needed, the operation of workers can be facilitated, and the working time is saved.
Drawings
FIG. 1 is a schematic diagram of the overall main sectional structure of the present invention;
FIG. 2 is a schematic diagram of the overall side cross-sectional structure of the present invention;
FIG. 3 is a schematic diagram of a cross-sectional connection structure of a first outer jacket and a second outer jacket according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3 a according to the present invention;
FIG. 5 is a schematic diagram of a side view of the connection of the first outer jacket and the connection block of the present invention;
FIG. 6 is a schematic view of the structure of the first outer jacket of the present invention;
FIG. 7 is a schematic diagram showing the front view of the connection of the first outer and inner protective sleeves according to the present invention;
FIG. 8 is a schematic front view of the second outer jacket of the present invention.
In the figure: 1. a first outer protective jacket; 2. fixing the shielding layer; 3. an inner protective sleeve; 4. connecting a guide core; 5. a first reinforcement; 6. a copper wire; 601. a protective sleeve; 602. a filling layer; 7. twisted pair wires; 8. a second reinforcement; 9. a connecting block; 10. a first adhesive layer; 11. a second adhesive layer; 12. a butt joint groove; 13. a second outer protective jacket; 14. a wear-resistant layer; 15. a waterproof layer; 16. a reinforcing layer; 17. an insulating layer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: a strong anti-interference cable for a smart grid and a preparation method thereof, comprises a first outer protective sleeve 1, a fixed shielding layer 2 and an inner protective sleeve 3, wherein the fixed shielding layer 2 is arranged in the first outer protective sleeve 1, the fixed shielding layer 2 and the inner protective sleeve 3 are connected with each other,
further comprises:
the connecting guide core 4 is arranged in the middle of the inner part of the first outer protective sleeve 1, and a first reinforcement 5 is arranged between the connecting guide core 4 and the inner protective sleeve 3;
copper wires 6 provided inside the inner sheath 3, the inner sheath 3 being further provided with twisted pairs 7;
a second reinforcement 8 disposed between the outer wall of the fixed shield layer 2 and the inner wall of the first outer shield shell 1;
the connecting block 9, it sets up in the left and right sides both ends surface of first outer lag 1, and the one end that first outer lag 1 was kept away from to connecting block 9 is connected with first adhesive linkage 10, and one side that connecting block 9 was kept away from to first adhesive linkage 10 is provided with second adhesive linkage 11 to second adhesive linkage 11 sets up in the inner wall of butt joint groove 12, and butt joint groove 12 sets up in the inner wall of second outer lag 13.
The first outer protective sleeve 1 and the second outer protective sleeve 13 comprise a wear-resistant layer 14, a waterproof layer 15, a reinforcing layer 16 and an insulating layer 17, and the wear-resistant layer 14, the waterproof layer 15, the reinforcing layer 16 and the insulating layer 17 are sequentially arranged from outside to inside.
The inner protective sleeve 3 is distributed in the first outer protective sleeve 1 at equal angles, the inner protective sleeve 3 and the fixed shielding layer 2 are connected in a hot melting mode, and the fixed shielding layer 2 is made of aluminum foil.
Copper wires 6 are distributed in the inner protecting sleeve 3 at equal angles, 4 copper wires 6 are arranged in each inner protecting sleeve 3, twisted pairs 7 are arranged between every two adjacent 2 copper wires 6, meanwhile, a protecting sleeve 601 is arranged on the outer side of each copper wire 6, filling layers 602 are arranged on the protecting sleeve 601, the inner protecting sleeve 3 and the outer sides of the twisted pairs 7, and the protecting sleeve 601 is made of insulating rubber.
The upper end and the lower end of the second reinforcement member 8 are respectively in adhesive connection with the first outer protective sleeve 1 and the inner protective sleeve 3, and the second reinforcement member 8 is a glass fiber rod.
The connecting block 9 and the first outer protective sleeve 1 are of an integrated structure, the connecting block 9 and the first bonding layer 10 are connected in a hot melting mode, and the size of the connecting block 9 is matched with the size of the butt joint groove 12.
The wear-resisting layer 14, the waterproof layer 15, the reinforcing layer 16 and the insulating layer 17 are all in hot melt connection, the wear-resisting layer 14 is made of PVC, the waterproof layer 15 is a waterproof agent coating, the reinforcing layer 16 is a steel belt, and the insulating layer 17 is made of polyethylene.
A preparation method of a strong anti-interference cable for a smart grid comprises the following steps:
the first step: preparing all required materials, drawing the connecting guide core 4 and the copper wire 6, and then enabling the connecting guide core 4 and the copper wire 6 to pass through a pinch roller under the action of external force, so that the cross-sectional areas of the connecting guide core 4 and the copper wire 6 are compressed and the required shape and size are obtained;
and a second step of: making twisted pair 7, namely interweaving 2 single wires together according to a specified direction, wherein the twisted pair 7 is a pair of mutually insulated metal wires;
and a third step of: coating, namely coating different materials on the outer surfaces of the connecting guide core 4 and the copper wire 6 by adopting special equipment, wherein the outer surface of the copper wire 6 is a protective sleeve 601, the protective sleeve 601 is made of insulating rubber, an inner protective sleeve 3 is arranged on the outer sides of the protective sleeve 601 and the twisted pair 7, a filling layer 602 is arranged in the areas of the inner protective sleeve 3, the protective sleeve 601 and the twisted pair 7, a first reinforcing member 5 is arranged between the connecting guide core 4 and the inner protective sleeve 3, and the outer side of the inner protective sleeve 3 is coated by a fixed shielding layer 2;
fourth step: bonding one end of a second reinforcement member 8 outside the fixed shielding layer 2, sleeving the first outer protective sleeve 1 on the outer side of the second reinforcement member 8, and bonding the second reinforcement member 8 and the inner wall of the first outer protective sleeve 1 to ensure that the second reinforcement member 8 is firmly connected between the first outer protective sleeve 1 and the fixed shielding layer 2;
fifth step: the second outer protective sleeve 13 is subjected to butt joint installation, a first bonding layer 10 is smeared on a connecting block 9 at one end of the first outer protective sleeve 1, then a second bonding layer 11 is smeared on the inner wall of a butt joint groove 12 on the second outer protective sleeve 13, then the connecting block 9 is clamped into the butt joint groove 12, the first bonding layer 10 and the second bonding layer 11 are subjected to butt joint, the connecting block 9 and the butt joint groove 12 are firmly connected, and the splicing installation between the first outer protective sleeve 1 and the second outer protective sleeve 13 is completed;
sixth step: the second reinforcement member 8 and the inner wall of the second outer protective sleeve 13 are bonded, so that the second outer protective sleeve 13 is firmer in use, and the subsequent stable use of the whole cable is ensured.
The working principle of the embodiment is as follows: when the strong anti-interference cable for the smart grid is used, as shown in fig. 1 to 8, firstly, a worker prepares the cable, then erects the cable, if 2 cables are required to be connected, the worker can select the position, if the position is at the connection position of the first outer protective sleeve 1 and the second outer protective sleeve 13, the first outer protective sleeve 1 and the second outer protective sleeve 13 are pulled away by force, the first adhesive layer 10 and the second adhesive layer 11 are separated, because the first adhesive layer 10 is coated on the connecting block 9, the connecting block 9 is arranged on the first outer protective sleeve 1, the second adhesive layer 11 is coated on the inner wall of the butt joint groove 12, and the butt joint groove 12 is arranged on the second outer protective sleeve 13, so that when the first adhesive layer 10 and the second adhesive layer 11 are separated, the connecting block 9 and the butt joint groove 12 are separated, so that the first outer protecting sleeve 1 and the second outer protecting sleeve 13 are separated, the second outer protecting sleeve 13 and the second reinforcing member 8 can be separated along with the pulling of the second outer protecting sleeve 13, then a worker connects the exposed connecting conducting core 4, the copper conducting wire 6 and the connecting conducting core 4 and the copper conducting wire 6 of the other cable with each other, the connection between 2 cables is further completed, the outer side of the connecting conducting core 4 is provided with the fixed shielding layer 2, and the fixed shielding layer 2 is made of aluminum foil, so that the connecting conducting core 4 can be reinforced while the signal anti-interference is ensured, the connecting conducting core 4 has better stability in use, twisted pair wires 7 are arranged between every two adjacent 2 copper conducting wires 6, and the twisted pair wires 7 are a pair of mutually insulated metal conducting wires, thus under the action of the twisted pair wires 7, the anti-interference effect can be further increased, and the interference of the worker to the outside can be reduced, the use efficiency of the cable is improved, and as the first outer protective sleeve 1 comprises the wear-resistant layer 14, the waterproof layer 15, the reinforcing layer 16 and the insulating layer 17, the wear resistance, the waterproof property and the insulating property of the first outer protective sleeve 1 in use can be improved, the self-firmness of the first outer protective sleeve 1 in use is better, the whole working process is the above, and the content which is not described in detail in the specification belongs to the prior art known to the person skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (8)
1. The strong anti-interference cable for the intelligent power grid comprises a first outer protective sleeve (1), a fixed shielding layer (2) and an inner protective sleeve (3), wherein the fixed shielding layer (2) is arranged in the first outer protective sleeve (1), the fixed shielding layer (2) is connected with the inner protective sleeve (3) mutually,
the method is characterized in that: further comprises:
the connecting guide core (4) is arranged in the middle of the inner part of the first outer protective sleeve (1), and a first reinforcement (5) is arranged between the connecting guide core (4) and the inner protective sleeve (3);
a copper wire (6) which is arranged inside the inner protective sleeve (3), wherein a twisted pair (7) is also arranged inside the inner protective sleeve (3);
a second reinforcement (8) arranged between the outer wall of the fixed shielding layer (2) and the inner wall of the first outer protective sleeve (1);
connecting block (9), its set up in both ends surface about first outer lag (1), connecting block (9) are kept away from the one end and the first adhesive linkage (10) of first outer lag (1) are connected, just one side that first adhesive linkage (10) kept away from connecting block (9) is provided with second adhesive linkage (11), and second adhesive linkage (11) set up in the inner wall of docking groove (12), docking groove (12) are seted up in the inner wall of second outer lag (13).
2. A strong anti-interference cable for a smart grid as claimed in claim 1, wherein: the first outer protective sleeve (1) and the second outer protective sleeve (13) comprise a wear-resistant layer (14), a waterproof layer (15), a reinforcing layer (16) and an insulating layer (17), and the wear-resistant layer (14), the waterproof layer (15), the reinforcing layer (16) and the insulating layer (17) are sequentially arranged from outside to inside.
3. A strong anti-interference cable for a smart grid as claimed in claim 1, wherein: the inner protective sleeve (3) is arranged in the first outer protective sleeve (1) in an equal-angle mode, the inner protective sleeve (3) is connected with the fixed shielding layer (2) in a hot melting mode, and the fixed shielding layer (2) is made of aluminum foil.
4. A strong anti-interference cable for a smart grid as claimed in claim 1, wherein: copper wire (6) are in the inside equiangular distribution of interior lag (3), and the inside of every interior lag (3) all is provided with 4 copper wire (6) to be provided with twisted pair (7) between every adjacent 2 copper wire (6), be provided with protective sheath (601) in the outside of copper wire (6) simultaneously, the outside of protective sheath (601) and interior lag (3) and twisted pair (7) all is provided with filling layer (602), protective sheath (601) are insulating rubber material.
5. A strong anti-interference cable for a smart grid as claimed in claim 1, wherein: the upper end and the lower end of the second reinforcement (8) are respectively connected with the first outer protective sleeve (1) and the inner protective sleeve (3) in an adhesive mode, and the second reinforcement (8) is a glass fiber rod.
6. A strong anti-interference cable for a smart grid as claimed in claim 1, wherein: the connecting block (9) and the first outer protective sleeve (1) are of an integrated structure, the connecting block (9) and the first bonding layer (10) are connected through hot melting, and the size of the connecting block (9) is identical with the size of the butt joint groove (12).
7. A strong anti-interference cable for a smart grid as claimed in claim 2, wherein: the wear-resisting layer (14), the waterproof layer (15), the reinforcing layer (16) and the insulating layer (17) are connected through hot melting, the wear-resisting layer (14) is made of PVC, the waterproof layer (15) is a waterproof agent coating, the reinforcing layer (16) is made of steel belts, and the insulating layer (17) is made of polyethylene.
8. The preparation method of the strong anti-interference cable for the smart grid is characterized by comprising the following steps of:
the first step: preparing all required materials, drawing the connecting guide core (4) and the copper wire (6), and then enabling the connecting guide core (4) and the copper wire (6) to pass through a pinch roller under the action of external force, so that the cross-sectional areas of the connecting guide core (4) and the copper wire (6) are compressed and the required shape and size are obtained;
and a second step of: manufacturing twisted pair wires (7), namely interweaving 2 single wires together according to a specified direction, wherein the twisted pair wires (7) are a pair of mutually insulated metal wires;
and a third step of: cladding, adopting special equipment to cladding different materials outside a connecting guide core (4) and a copper wire (6), wherein the outside of the copper wire (6) is a protective sleeve (601), the protective sleeve (601) is made of insulating rubber, an inner protective sleeve (3) is arranged outside the protective sleeve (601) and a twisted pair (7), a filling layer (602) is arranged in the areas of the inner protective sleeve (3), the protective sleeve (601) and the twisted pair (7), a first reinforcing member (5) is arranged between the connecting guide core (4) and the inner protective sleeve (3), and the outer side of the inner protective sleeve (3) is clad through a fixed shielding layer (2);
fourth step: one end of a second reinforcement (8) is adhered to the outside of the fixed shielding layer (2), then the first outer protective sleeve (1) is sleeved on the outside of the second reinforcement (8), and then adhesion is carried out between the second reinforcement (8) and the inner wall of the first outer protective sleeve (1), so that the second reinforcement (8) is firmly connected between the first outer protective sleeve (1) and the fixed shielding layer (2);
fifth step: the method comprises the steps of butt joint mounting a second outer protective sleeve (13), coating a first bonding layer (10) on a connecting block (9) at one end of a first outer protective sleeve (1), coating a second bonding layer (11) on the inner wall of a butt joint groove (12) on the second outer protective sleeve (13), then clamping the connecting block (9) into the butt joint groove (12), butt joint the first bonding layer (10) and the second bonding layer (11), firmly connecting the connecting block (9) and the butt joint groove (12), and completing the splice mounting between the first outer protective sleeve (1) and the second outer protective sleeve (13);
sixth step: the second reinforcement (8) and the inner wall of the second outer protective sleeve (13) are bonded, so that the second outer protective sleeve (13) is firmer in use, and the follow-up stable use of the whole cable is ensured.
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| CN202111415378.4A CN114155999B (en) | 2021-11-25 | 2021-11-25 | Strong anti-interference cable for smart grid and preparation method |
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| CN114155999B true CN114155999B (en) | 2023-12-22 |
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| CN114155999A (en) | 2022-03-08 |
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