CN217640738U - Armored twisted-pair shielded cable with high corrosion resistance - Google Patents
Armored twisted-pair shielded cable with high corrosion resistance Download PDFInfo
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- CN217640738U CN217640738U CN202221198726.7U CN202221198726U CN217640738U CN 217640738 U CN217640738 U CN 217640738U CN 202221198726 U CN202221198726 U CN 202221198726U CN 217640738 U CN217640738 U CN 217640738U
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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
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a two twisted pair shielded cable of armor that anti-erosion nature is strong relates to the cable field, including cable core and outer jacket, the quantity of cable core is provided with a plurality ofly, the cable core includes the paired line, the outside cladding of paired line has two-sided plastic-coated aluminum tape, the outside cover of two-sided plastic-coated aluminum tape is equipped with fire-retardant insulating layer, fire-retardant insulating layer's the outside is provided with first metal mesh shielding layer, outer jacket includes the armor shielding layer, the outside cover of armor shielding layer is equipped with the waterproof layer, the outside cover of waterproof layer is equipped with the protection skin, the armor shielding layer is including the extrusion inner liner, the outside of extrusion inner liner is provided with the metal forming shielding layer, the outside of metal forming shielding layer is provided with second metal mesh shielding layer. The utility model discloses be provided with triple shielding layer, the effectual outside electromagnetic interference that prevents gets into the cable, also prevents the internal signal radiation simultaneously and goes out, and the interference killing feature is stronger more stable.
Description
Technical Field
The utility model relates to a cable field, concretely relates to two twisted shield of armor cable that erosion resistance is strong.
Background
Cables are typically made by stranding several or several groups of conductors, each group insulated from one another and often twisted around a center, with a highly insulated covering over the entire circumference. The cable has the characteristics of internal electrification and external insulation. The armoured cable is made up by using different material conductors and placing them in a metal sleeve with insulating material, and making them into a flexible and firm combined body. The armored cable comprises an armored thermocouple, an armored thermal resistor, an armored heater and an armored lead wire, and is mainly used for temperature measurement, signal transmission and special heating of chemical engineering, metallurgy, mechanical manufacturing, power generation, scientific experiments and the like, and the armored thermocouple is used at the maximum.
At present, the traditional armored cable is weak in anti-interference performance and corrosion resistance, so that the service life of the cable cannot be guaranteed.
Therefore, it is necessary to provide an armored twisted pair shielded cable with high corrosion resistance to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a two twisted shield cable of armor that anti-erosion nature is strong to traditional armor cable interference killing feature who proposes in solving above-mentioned background art is more weak, and anti-erosion nature is weak, makes the problem that the life of cable can not obtain the guarantee.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a two twisted pair shielded cable of armor that anti-erosion nature is strong, includes cable core and overcoat, the quantity of cable core is provided with a plurality ofly, and is a plurality of the cable core is all nested in the overcoat, the cable core includes the twisted pair, the outside cladding of twisted pair has two-sided plastic-coated aluminum tape, the outside cover of two-sided plastic-coated aluminum tape is equipped with fire-retardant insulating layer, fire-retardant insulating layer's the outside is provided with first metal mesh shielding layer, overcoat layer includes the armor shielding layer, the outside cover of armor shielding layer is equipped with the waterproof layer, the outside cover of waterproof layer is equipped with the protection skin, the armor shielding layer is including the extrusion inner liner, the outside of extrusion inner liner is provided with the metal foil shielding layer, the outside of metal foil shielding layer is provided with second metal mesh shielding layer, the protection skin includes two-sided plastic-coated corrugated steel strip, the glass fiber braided mesh layer has been cup jointed in the outside of two-sided plastic-coated corrugated steel strip, the outside cover of glass fiber braided mesh layer is equipped with fire-retardant PVC anti-sheathed.
Preferably, the flame-retardant insulating layer is made of polyimide, has good heat-resistant, flame-retardant and waterproof effects, and simultaneously has high insulating property, so that the waterproof insulating property of the cable core can be improved.
Preferably, first metal mesh shielding layer sets up to tin-plating copper shield net, and corrosion resistance is good, can improve the corrosion resistance of cable core, and interference immunity is good simultaneously, can avoid the interference between the adjacent cable core, the metal foil shielding layer sets up to the aluminium foil, mainly plays the shielding, protects against radiation, prevents effects such as static, effectually prevents that outside electromagnetic interference from getting into the cable, also prevents internal signal radiation simultaneously and goes out, second metal mesh shielding layer sets up to oxygen-free copper shield net, and structural strength is big, can play the effect of shielding electric field.
Preferably, the extrusion inner liner is made of polyethylene materials, and is good in impact resistance, good in waterproof effect and good in insulation effect.
Preferably, the outer side surface of the flame-retardant insulating layer is coated with the waterproof PE film, so that the waterproof effect of the cable core can be improved, and the waterproof performance of the cable core is more superior.
Preferably, the waterproof layer comprises a PE sheath waterproof layer, and a first non-woven fabric layer is arranged between the inner side of the PE sheath waterproof layer and the outer side of the second metal mesh shielding layer, so that friction between the PE sheath waterproof layer and the second metal mesh shielding layer can be reduced, and abrasion of a contact surface of the PE sheath waterproof layer and the second metal mesh shielding layer is avoided.
Preferably, a second non-woven fabric layer is arranged between the outer side of the PE sheath water-blocking layer and the inner side of the double-sided plastic-coated corrugated steel belt, friction between the PE sheath water-blocking layer and the double-sided plastic-coated corrugated steel belt can be reduced through the second non-woven fabric layer, and abrasion of the PE sheath water-blocking layer is avoided.
Preferably, a filling layer is filled between the cable core and the outer sleeve layer, the filling layer is set to be a filling rope, the stability of the cable core in the outer sleeve layer can be improved through the filling rope, and meanwhile, the effects of improving the tensile resistance and the swing resistance of the cable can be achieved in an auxiliary mode.
In the technical scheme, the utility model provides a technological effect and advantage:
1. the first metal mesh shielding layer is arranged on the cable core, so that interference between adjacent cable cores can be prevented, the armor shielding layer is arranged on the outer sleeve layer, the armor shielding layer consists of the metal foil shielding layer and the second metal mesh shielding layer, and is matched with the first metal mesh shielding layer for use to form a triple shielding layer, so that external electromagnetic interference is effectively prevented from entering the cable, internal signals are prevented from being radiated out, the anti-interference performance is stronger and more stable, and the protective outer layer consists of a double-sided plastic-coated corrugated steel strip, a glass fiber woven mesh layer and a flame-retardant PVC (polyvinyl chloride) protective sleeve layer, so that the cable is strong in erosion resistance, high-temperature resistance and anti-aging performance, and the service life can be effectively prolonged;
2. through be provided with waterproof PE film on fire-retardant insulating layer, can improve the water-proof effects of cable core for the waterproof performance of cable core is more superior, and is provided with the waterproof layer on the overcoat layer, and the waterproof layer comprises PE sheath water blocking layer, first non-woven fabrics layer and second non-woven fabrics layer, can improve the waterproof performance of this cable effectively.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a cable core of the present invention;
FIG. 3 is a schematic view of the outer jacket layer of the present invention;
fig. 4 is a top view of fig. 1 according to the present invention;
fig. 5 is a top view of fig. 2 according to the present invention.
Description of reference numerals:
1 cable core, 2 outer sleeves, 3 twisted pairs, 4 double-sided plastic-coated aluminum tapes, 5 flame-retardant insulating layers, 6 first metal mesh shielding layers, 7 armor shielding layers, 8 waterproof layers, 9 protective outer layers, 10 extrusion inner liners, 11 metal foil shielding layers, 12 second metal mesh shielding layers, 13 filling layers, 14 double-sided plastic-coated corrugated steel tapes, 15 glass fiber woven mesh layers, 16 flame-retardant PVC (polyvinyl chloride) anti-sheath layers, 17 waterproof PE (polyethylene) films, 18 PE sheath water-blocking layers, 19 first non-woven fabric layers and 20 second non-woven fabric layers.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.
The utility model provides a two twisted pair shielded cable of armor that anti-erosion nature is strong as shown in fig. 1-5, including cable core 1 and overcoat layer 2, the quantity of cable core 1 is provided with a plurality ofly, and is a plurality of cable core 1 all nests in overcoat layer 2, cable core 1 includes paired pair 3, the outside cladding of paired pair 3 has two-sided plastic-coated aluminum tape 4, the outside cover of two-sided plastic-coated aluminum tape 4 is equipped with flame retardant insulation layer 5, flame retardant insulation layer 5's the outside is provided with first metal mesh shielding layer 6, overcoat layer 2 includes armor shielding layer 7, the outside cover of armor shielding layer 7 is equipped with waterproof layer 8, waterproof layer 8's outside cover is equipped with protection outer layer 9, armor shielding layer 7 is including extrusion inner liner 10, the outside of extrusion inner liner 10 is provided with metal forming shielding layer 11, the outside of metal forming shielding layer 11 is provided with second metal mesh shielding layer 12, protection outer layer 9 includes two-sided plastic-coated corrugated steel strip 14, the outside of two-coated corrugated steel strip 14 has glass fiber to weave the stratum reticulare 15, the outside cover of glass fiber weaves stratum reticulare equipped with fire-retardant PVC protection cover.
The flame-retardant insulating layer 5 is made of polyimide, has good heat-resistant, flame-retardant and waterproof effects, and simultaneously has high insulating property, and the waterproof insulating property of the cable core 1 can be improved.
First metal mesh shielding layer 6 sets up to tin-plating copper shield net, and corrosion resistance is good, can improve cable core 1's corrosion resistance, and interference immunity is good simultaneously, can avoid the interference between the adjacent cable core 1, metal foil shielding layer 11 sets up to the aluminium foil, mainly plays the shielding, protects against radiation, prevents effects such as static, effectually prevents that outside electromagnetic interference from getting into the cable, also prevents internal signal radiation simultaneously and goes out, second metal mesh shielding layer 12 sets up to anaerobic copper shield net, and structural strength is big, can play the effect of shielding electric field.
The cable comprises a cable core 1 and an outer jacket layer 2, wherein a filling layer 13 is filled between the cable core 1 and the outer jacket layer 2, the filling layer 13 is set to be a filling rope, the stability of the installation of the cable core 1 in the outer jacket layer 2 can be improved through the filling rope, and meanwhile, the effects of improving the tensile resistance and the swinging resistance of the cable can be assisted.
The implementation mode is specifically as follows: the cable consists of an outer sleeve layer 2 and a plurality of cable cores 1 nested in the outer sleeve layer 2, wherein each cable core 1 consists of a twisted pair 3, a double-sided plastic-coated aluminum tape 4, a flame-retardant insulating layer 5 and a first metal mesh shielding layer 6, the first metal mesh shielding layer 6 is a tinned copper shielding net, the corrosion resistance is good, the corrosion resistance of the cable core 1 can be improved, the interference resistance is good, the interference between adjacent cable cores 1 can be avoided, meanwhile, the first metal mesh shielding layer 6 and the double-sided plastic-coated aluminum tape 4 can effectively protect the twisted pair 3, the outer sleeve layer 2 consists of an armored shielding layer 7, a waterproof layer 8 and a protective outer layer 9, the armored shielding layer 7 is formed by extruding an inner liner layer 10, a metal foil shielding layer 11 and a second metal mesh shielding layer 12, the metal foil shielding layer 11 is an aluminum foil, the second metal mesh shielding layer 12 is an oxygen-free copper shielding net, the functions of shielding, radiation protection, static electricity prevention and the like are achieved, external electromagnetic interference is effectively prevented from entering the cable, internal signal radiation is prevented, the metal foil shielding layer 11 and the second metal mesh shielding layer 12 and the first metal mesh shielding layer 6 are combined with the anti-static electricity shielding layer, the conventional high-temperature-resistant and anti-aging cable is more stable, the service life of the conventional high-resistant PVC plastic-resistant cable is prolonged, and the anti-aging-resistant cable is achieved, and the anti-aging-resistant cable is more stable, and the anti-aging-resistant cable.
As shown in fig. 2-3, the extrusion inner liner layer 10 is made of polyethylene, and has good impact resistance, good waterproof effect and good insulating effect, the outer side surface of the flame-retardant insulating layer 5 is coated with the waterproof PE film 17, so that the waterproof effect of the cable core 1 can be improved, and the waterproof performance of the cable core 1 is more superior.
The waterproof layer 8 comprises a PE sheath water-blocking layer 18, a first non-woven fabric layer 19 is arranged between the inner side of the PE sheath water-blocking layer 18 and the outer side of a second metal mesh shielding layer 12, friction between the PE sheath water-blocking layer 18 and the second metal mesh shielding layer 12 can be reduced, abrasion of the contact surface of the PE sheath water-blocking layer 18 and the second metal mesh shielding layer 12 is avoided, a second non-woven fabric layer 20 is arranged between the outer side of the PE sheath water-blocking layer 18 and the inner side of a double-faced plastic-coated corrugated steel strip 14, friction between the PE sheath water-blocking layer 18 and the double-faced plastic-coated corrugated steel strip 14 can be reduced through the second non-woven fabric layer 20, and abrasion of the PE sheath water-blocking layer 18 is avoided.
The implementation mode is specifically as follows: the outer side of the flame-retardant insulating layer 5 is coated with the waterproof PE film 17, the waterproof effect of the cable core 1 can be improved through the waterproof PE film 17, meanwhile, the waterproof layer 8 is arranged on the outer sleeve layer 2, the waterproof layer 8 comprises a PE sheath water-blocking layer 18, the waterproof effect of the outer sleeve layer 2 can be improved, the waterproof effect of the cable is improved, the extrusion lining layer 10 is made of polyethylene materials, the impact resistance is good, the waterproof effect of the cable is further improved, the inner side of the PE sheath water-blocking layer 18 is provided with the first non-woven fabric layer 19, the friction between the PE sheath water-blocking layer 18 and the second metal mesh shielding layer 12 can be reduced, the abrasion of the contact surface of the PE sheath water-blocking layer 18 and the second metal mesh shielding layer 12 is avoided, the outer side of the PE sheath water-blocking layer 18 is provided with the second non-woven fabric layer 20, the friction between the PE sheath water-blocking layer 18 and the double-faced plastic-coated corrugated steel belt 14 can be reduced, the abrasion of the PE sheath water-blocking layer 18 is avoided, the service life of the PE sheath water-blocking layer 18 is prolonged, and the problem that the waterproof performance of the cable existing in the prior art is specifically solved.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides a two twisted pair shielded cable of armor that anti-corrosion nature is strong, includes cable core (1) and overcoat layer (2), its characterized in that: the quantity of cable core (1) is provided with a plurality ofly, and is a plurality of cable core (1) all nestification is in overcoat layer (2), cable core (1) is including paired pair (3), the outside cladding of paired pair (3) has two-sided plastic-coated aluminium strip (4), the outside cover of two-sided plastic-coated aluminium strip (4) is equipped with fire-retardant insulating layer (5), the outside of fire-retardant insulating layer (5) is provided with first metal mesh shielding layer (6), overcoat layer (2) is including armor shielding layer (7), the outside cover of armor shielding layer (7) is equipped with waterproof layer (8), the outside cover of waterproof layer (8) is equipped with protection skin (9), armor shielding layer (7) is including extrusion inner liner (10), the outside of extrusion inner liner (10) is provided with metal foil shielding layer (11), the outside of metal foil shielding layer (11) is provided with second metal mesh shielding layer (12), outer (9) are including two-sided plastic-coated corrugated steel strip (14), the outside of two-sided plastic-coated corrugated steel strip (14) has cup jointed glass fiber woven fabrics and has woven glass fiber woven protection layer (15), glass fiber woven protection layer (16) outside woven protection cover.
2. The armored twisted pair shielded electrical cable of claim 1, wherein the armor comprises: the flame-retardant insulating layer (5) is made of polyimide.
3. The armored twisted pair shielded electrical cable of claim 1, wherein the armor comprises: the first metal mesh shielding layer (6) is set to be a tinned copper shielding mesh, the metal foil shielding layer (11) is set to be an aluminum foil, and the second metal mesh shielding layer (12) is set to be an oxygen-free copper shielding mesh.
4. The armored twisted pair shielded cable with high corrosion resistance as recited in claim 1, wherein: the extrusion lining layer (10) is made of polyethylene materials.
5. The armored twisted pair shielded cable with high corrosion resistance as recited in claim 1, wherein: the outer side surface of the flame-retardant insulating layer (5) is coated with a waterproof PE film (17).
6. The armored twisted pair shielded cable with high corrosion resistance as recited in claim 1, wherein: the waterproof layer (8) comprises a PE sheath waterproof layer (18), and a first non-woven fabric layer (19) is arranged between the inner side of the PE sheath waterproof layer (18) and the outer side of the second metal mesh shielding layer (12).
7. The armored twisted pair shielded electrical cable of claim 6, wherein the corrosion resistance is as follows: and a second non-woven fabric layer (20) is arranged between the outer side of the PE sheath water-blocking layer (18) and the inner side of the double-sided plastic-coated corrugated steel strip (14).
8. The armored twisted pair shielded electrical cable of claim 1, wherein the armor comprises: and a filling layer (13) is filled between the cable core (1) and the outer sleeve layer (2), and the filling layer (13) is set as a filling rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221198726.7U CN217640738U (en) | 2022-05-19 | 2022-05-19 | Armored twisted-pair shielded cable with high corrosion resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221198726.7U CN217640738U (en) | 2022-05-19 | 2022-05-19 | Armored twisted-pair shielded cable with high corrosion resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217640738U true CN217640738U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221198726.7U Active CN217640738U (en) | 2022-05-19 | 2022-05-19 | Armored twisted-pair shielded cable with high corrosion resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217640738U (en) |
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- 2022-05-19 CN CN202221198726.7U patent/CN217640738U/en active Active
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