CN112820457A - Cold-resistant anti-freezing polyurethane sheath communication cable - Google Patents
Cold-resistant anti-freezing polyurethane sheath communication cable Download PDFInfo
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- CN112820457A CN112820457A CN202011544953.6A CN202011544953A CN112820457A CN 112820457 A CN112820457 A CN 112820457A CN 202011544953 A CN202011544953 A CN 202011544953A CN 112820457 A CN112820457 A CN 112820457A
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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
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- 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
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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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
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Abstract
A cold-resistant antifreezing polyurethane sheath communication cable comprises a cable core, wherein the communication cable core is formed by twisting a plurality of twisted pairs and nylon fibers, and each twisted pair is formed by twisting two wires; the utility model discloses a cable core, including cable core, reinforcing fiber cloth layer, water blocking layer, intelligent control ware and internet, the cable core is wrapped outward and is had the reinforcing fiber cloth layer, the reinforcing fiber cloth layer is equipped with the water blocking layer outward, the water blocking layer is equipped with the yarn layer that blocks water outward, the yarn layer that blocks water is equipped with heat-resisting fiber cloth layer outward, heat-resisting fiber cloth in situ surface is equipped with the heating resistor silk, the heating resistor silk links to each other with intelligent control ware, intelligent control ware links to each other with the internet, intelligent control ware is according to weather conditions control heating resistor silk work, heat-resisting fiber cloth in situ surface is equipped with the spring that a plurality of shape memory alloys made, and the other. The present invention provides a communication cable having excellent low temperature resistance.
Description
Technical Field
The invention belongs to the technical field of communication cables, and particularly relates to a cold-resistant and anti-freezing polyurethane sheath communication cable.
Background
A communications cable is a cable that transmits telephone, telegraph, facsimile documents, television and radio programs, data and other electrical signals. Is formed by twisting more than one pair of mutually insulated wires.
In winter, the outdoor communication cable is easy to be coated with ice, the ice is unevenly coated on the communication cable, the ice can form an ellipse or other shapes to form a windward side, when the angle of wind and the angle of the windward side of the ice are proper, the communication cable can swing, and the communication cable is easy to be torn off; icing can cause the communication cable to be vertically overloaded, collapsing the entire structure.
Therefore, a communication cable resistant to cold and freezing needs to be designed.
Disclosure of Invention
In view of the above problems, the present invention provides a cold-resistant antifreeze polyurethane sheathed communication cable which has excellent low temperature resistance while preventing the occurrence of ice coating.
The technical scheme adopted by the invention for solving the technical problems is as follows: a cold-resistant antifreezing polyurethane sheath communication cable comprises a cable core, wherein the communication cable core is formed by twisting a plurality of twisted pairs and nylon fibers, and each twisted pair is formed by twisting two wires;
the utility model discloses a cable core, including cable core, reinforcing fiber cloth layer, water blocking layer, intelligent control ware and internet, the cable core is wrapped outward and is had the reinforcing fiber cloth layer, the reinforcing fiber cloth layer is equipped with the water blocking layer outward, the water blocking layer is equipped with the yarn layer that blocks water outward, the yarn layer that blocks water is equipped with heat-resisting fiber cloth layer outward, heat-resisting fiber cloth in situ surface is equipped with the heating resistor silk, the heating resistor silk links to each other with intelligent control ware, intelligent control ware links to each other with the internet, intelligent control ware is according to weather conditions control heating resistor silk work, heat-resisting fiber cloth in situ surface is equipped with the spring that a plurality of shape memory alloys made, and the other.
Preferably, the wire structure is: the innermost layer is a copper core, a methyl vinyl phenyl silicone rubber layer is arranged outside the copper core, and an aluminum foil layer is arranged outside the methyl vinyl phenyl silicone rubber layer.
Preferably, the shape memory alloy spring has a two-way memory effect or a full-way memory effect.
Preferably, the reinforcing cloth layer material is: high-strength nylon cloth or polysulfonamide fiber cloth.
Preferably, the water blocking layer material is: any one of high density polyethylene, medium density polyethylene or crosslinked polyethylene.
Preferably, the heat-resistant fiber cloth layer material is: glass fibers or ceramic fibers.
Preferably, the high-elasticity heat-insulation fiber cloth layer material is as follows: silicone rubber glass fiber.
Preferably, the outer surface of the high-elasticity polyurethane sheath layer is provided with a polytetrafluoroethylene coating.
The shape memory alloy is a material which has shape memory effect through thermal elasticity and martensite phase transformation and inversion thereof and is composed of more than two metal elements; the two-way memory effect means: the shape memory alloy can recover the shape of a high-temperature phase when heated and can recover the shape of a low-temperature phase when cooled; the whole-course memory effect means: the high-temperature phase shape is restored when heated, and the low-temperature phase shape having the same shape and the opposite orientation is formed when cooled.
The outer sheath of the communication cable is made of polyurethane material, and the polyurethane has excellent flexibility and fatigue resistance, excellent wear resistance, good moisture resistance and low temperature resistance.
The characteristics of the materials are utilized to be matched with the networked intelligent controller, so that the following operations can be realized: weather information is obtained according to networking, when the temperature is very low (usually below 0 ℃) and it is rainy, the intelligent controller controls the heating resistance wire to work, the shape memory alloy spring can be heated and recovered to be a memory shape at the moment, the sheath is supported, then the heating resistance wire is controlled to stop working after a period of time, the elastic sheath can press down the shape memory alloy spring, then the heating is carried out after a period of time, the reciprocating is carried out, the surface of the net wire can be a dynamic change process, the net wire can be broken to fall when ice is coated very thinly, and the ice coating is not easy to generate on the surface of the net wire.
The insulating layer of the copper core is made of methyl vinyl phenyl silicone rubber, because the methyl vinyl phenyl silicone rubber has good low-temperature resistance and can still maintain excellent insulating property and structural strength at the temperature of minus 60 ℃.
The heat-conducting fiber cloth is convenient for being planted with the spring made of the shape memory alloy.
The high-elasticity heat-insulation fiber cloth layer has the functions as follows: the high-elasticity polyurethane sheath layer is insulated during production, the shape memory alloy is prevented from bouncing up at high temperature when the high-elasticity polyurethane sheath layer is extruded, so that the extrusion of the outer sheath is not uniform, and the spring made of the shape memory alloy is prevented from being packed by the high-elasticity polyurethane to lose efficacy.
In a preferred scheme, a polytetrafluoroethylene coating is added outside the sheath, so that the sheath has better ice stripping performance.
The invention has the beneficial effects that: a communication cable having excellent low temperature resistance and excellent tensile properties while maintaining the tensile properties for a long period of time is manufactured by utilizing the characteristics of various materials and structural improvement.
Drawings
The invention is further illustrated by the following figures and examples:
FIG. 1 is a schematic structural view of example 1 of the present invention.
Fig. 2 is a schematic view of the structure of the lead.
FIG. 3 is a schematic view of the structure of the shape memory alloy portion in an unheated state.
FIG. 4 is a schematic view of the structure of the shape memory alloy portion in a heated state.
FIG. 5 is a schematic structural view of example 2 of the present invention.
In the figure: 1. the cable comprises a twisted pair, 1.1 copper core, 1.2 methyl vinyl phenyl silicone rubber layer, 1.3 aluminum foil layer, 2 nylon fiber, 3 reinforcing fiber cloth layer, 4 water-resistant layer, 5 water-resistant yarn layer, 6 heating resistance wire, 7 ceramic fiber cloth layer, 8 shape memory alloy spring, 9 layering, 10 high-elasticity heat-insulation fiber cloth layer, 11 high-elasticity polyurethane sheath layer and 12 polytetrafluoroethylene coating.
Detailed Description
Example 1
Fig. 1, fig. 2, fig. 3 and fig. 4 show a cold-resistant antifreeze polyurethane sheathed communication cable, wherein: 1. the cable comprises a twisted pair, a copper core, a methyl vinyl phenyl silicone rubber layer, a layer of aluminum foil, nylon fibers, a reinforcing fiber cloth layer, a water-resistant yarn layer, a heating resistance wire, a ceramic fiber cloth layer, a shape memory alloy spring, a pressing strip, a high-elasticity heat-insulation fiber cloth layer, a high-elasticity polyurethane sheath layer and a cable core, wherein the twisted pair is formed by twisting a plurality of twisted pairs and nylon fibers, the twisted pair is formed by twisting two wires;
the utility model discloses a cable core, including cable core, reinforcing fiber cloth layer, water blocking layer, intelligent control ware and internet, the cable core is wrapped outward and is had the reinforcing fiber cloth layer, the reinforcing fiber cloth layer is equipped with the water blocking layer outward, the water blocking layer is equipped with the yarn layer that blocks water outward, the yarn layer that blocks water is equipped with heat-resisting fiber cloth layer outward, heat-resisting fiber cloth in situ surface is equipped with the heating resistor silk, the heating resistor silk links to each other with intelligent control ware, intelligent control ware links to each other with the internet, intelligent control ware is according to weather conditions control heating resistor silk work, heat-resisting fiber cloth in situ surface is equipped with the spring that a plurality of shape memory alloys made, and the other.
In this example, the wire structure is: the innermost layer is a copper core, a methyl vinyl phenyl silicone rubber layer is arranged outside the copper core, and an aluminum foil layer is arranged outside the methyl vinyl phenyl silicone rubber layer.
In this example, the shape memory alloy spring has a global memory effect.
In this example, the reinforcing cloth layer materials are: high strength nylon cloth.
In this example, the water blocking layer material is cross-linked polyethylene.
In this example, the heat-resistant fiber cloth layer material is: ceramic fibers.
In this example, the high-elasticity thermal insulation fiber cloth layer material is: silicone rubber glass fiber.
In this example, the high resilience polyurethane sheath layer has a polytetrafluoroethylene coating on the outer surface.
Example 2
Fig. 5 is a cold-resistant antifreeze polyurethane sheathed communication cable, wherein: 1. the cable comprises a twisted pair, 1.1 copper core, 1.2 methyl vinyl phenyl silicone rubber layer, 1.3 aluminum foil layer, 2 nylon fiber, 3 reinforcing fiber cloth layer, 4 water-resistant layer, 5 water-resistant yarn layer, 6 heating resistance wire, 7 ceramic fiber cloth layer, 8 shape memory alloy spring, 9 layering, 10 high-elasticity heat-insulation fiber cloth layer, 11 high-elasticity polyurethane sheath layer and 12 polytetrafluoroethylene coating. The communication cable core is formed by twisting a plurality of twisted pairs and nylon fibers, and each twisted pair is formed by twisting two wires;
the utility model discloses a cable core, including cable core, reinforcing fiber cloth layer, water blocking layer, intelligent control ware and internet, the cable core is wrapped outward and is had the reinforcing fiber cloth layer, the reinforcing fiber cloth layer is equipped with the water blocking layer outward, the water blocking layer is equipped with the yarn layer that blocks water outward, the yarn layer that blocks water is equipped with heat-resisting fiber cloth layer outward, heat-resisting fiber cloth in situ surface is equipped with the heating resistor silk, the heating resistor silk links to each other with intelligent control ware, intelligent control ware links to each other with the internet, intelligent control ware is according to weather conditions control heating resistor silk work, heat-resisting fiber cloth in situ surface is equipped with the spring that a plurality of shape memory alloys made, and the other.
In this example, the wire structure is: the innermost layer is a copper core, a methyl vinyl phenyl silicone rubber layer is arranged outside the copper core, and an aluminum foil layer is arranged outside the methyl vinyl phenyl silicone rubber layer.
In this example, the shape memory alloy spring has a global memory effect.
In this example, the reinforcing cloth layer materials are: high strength nylon cloth.
In this example, the water blocking layer material is: high density polyethylene.
In this example, the heat-resistant fiber cloth layer material is: glass fibers.
In this example, the high-elasticity thermal insulation fiber cloth layer material is: silicone rubber glass fiber.
In this example, the high resilience polyurethane sheath layer has a polytetrafluoroethylene coating on the outer surface.
Claims (8)
1. The utility model provides a cold-resistant polyurethane sheath communication cable that prevents frostbite, includes the cable core, characterized by: the communication cable core is formed by twisting a plurality of twisted pairs and nylon fibers, and each twisted pair is formed by twisting two wires;
the utility model discloses a cable core, including cable core, reinforcing fiber cloth layer, water blocking layer, intelligent control ware and internet, the cable core is wrapped outward and is had the reinforcing fiber cloth layer, the reinforcing fiber cloth layer is equipped with the water blocking layer outward, the water blocking layer is equipped with the yarn layer that blocks water outward, the yarn layer that blocks water is equipped with heat-resisting fiber cloth layer outward, heat-resisting fiber cloth in situ surface is equipped with the heating resistor silk, the heating resistor silk links to each other with intelligent control ware, intelligent control ware links to each other with the internet, intelligent control ware is according to weather conditions control heating resistor silk work, heat-resisting fiber cloth in situ surface is equipped with the spring that a plurality of shape memory alloys made, and the other.
2. The cold-resistant antifreeze polyurethane sheath communication cable as claimed in claim 1, wherein: the wire structure is as follows: the innermost layer is a copper core, a methyl vinyl phenyl silicone rubber layer is arranged outside the copper core, and an aluminum foil layer is arranged outside the methyl vinyl phenyl silicone rubber layer.
3. The cold-resistant antifreeze polyurethane sheath communication cable as claimed in claim 1, wherein: the shape memory alloy spring has a two-way memory effect or a full-way memory effect.
4. The cold-resistant antifreeze polyurethane sheath communication cable as claimed in claim 1, wherein: the reinforcing cloth layer material is: high-strength nylon cloth or polysulfonamide fiber cloth.
5. The cold-resistant antifreeze polyurethane sheath communication cable as claimed in claim 1, wherein: the water blocking layer is made of the following materials: any one of high density polyethylene, medium density polyethylene or crosslinked polyethylene.
6. The cold-resistant antifreeze polyurethane sheath communication cable as claimed in claim 1, wherein: the heat-resistant fiber cloth layer material is as follows: glass fibers or ceramic fibers.
7. The cold-resistant antifreeze polyurethane sheath communication cable as claimed in claim 1, wherein: the high-elasticity heat-insulation fiber cloth layer is prepared from the following materials: silicone rubber glass fiber.
8. The cold-resistant antifreeze polyurethane sheath communication cable as claimed in claim 1, wherein: and the outer surface of the high-elasticity polyurethane sheath layer is provided with a polytetrafluoroethylene coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011544953.6A CN112820457A (en) | 2020-12-23 | 2020-12-23 | Cold-resistant anti-freezing polyurethane sheath communication cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011544953.6A CN112820457A (en) | 2020-12-23 | 2020-12-23 | Cold-resistant anti-freezing polyurethane sheath communication cable |
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| CN112820457A true CN112820457A (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011544953.6A Pending CN112820457A (en) | 2020-12-23 | 2020-12-23 | Cold-resistant anti-freezing polyurethane sheath communication cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709017A (en) * | 2022-05-13 | 2022-07-05 | 江苏超诚智能科技有限公司 | High-current power cable and using method thereof |
| CN116675986A (en) * | 2023-06-06 | 2023-09-01 | 广东澳通特种电缆有限公司 | Silicon rubber high-temperature-resistant cable and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01126124A (en) * | 1987-11-10 | 1989-05-18 | Sumitomo Electric Ind Ltd | Icing and snowing prevention apparatus for overhead power transmission line |
| CN109920586A (en) * | 2019-01-29 | 2019-06-21 | 邓明星 | A kind of cable insulation material and preparation method thereof |
| CN110911040A (en) * | 2019-12-25 | 2020-03-24 | 江苏江扬线缆有限公司 | Cable for new energy automobile and preparation method thereof |
| CN111863334A (en) * | 2020-08-01 | 2020-10-30 | 江苏江扬特种电缆有限公司 | High-safety communication cable and using method thereof |
| CN111986845A (en) * | 2020-07-01 | 2020-11-24 | 安徽新芜金磐装饰有限公司 | Self-deicing high-voltage cable and deicing method |
| CN212032730U (en) * | 2020-04-03 | 2020-11-27 | 江苏江扬特种电缆有限公司 | Corrosion-resistant communication cable |
-
2020
- 2020-12-23 CN CN202011544953.6A patent/CN112820457A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01126124A (en) * | 1987-11-10 | 1989-05-18 | Sumitomo Electric Ind Ltd | Icing and snowing prevention apparatus for overhead power transmission line |
| CN109920586A (en) * | 2019-01-29 | 2019-06-21 | 邓明星 | A kind of cable insulation material and preparation method thereof |
| CN110911040A (en) * | 2019-12-25 | 2020-03-24 | 江苏江扬线缆有限公司 | Cable for new energy automobile and preparation method thereof |
| CN212032730U (en) * | 2020-04-03 | 2020-11-27 | 江苏江扬特种电缆有限公司 | Corrosion-resistant communication cable |
| CN111986845A (en) * | 2020-07-01 | 2020-11-24 | 安徽新芜金磐装饰有限公司 | Self-deicing high-voltage cable and deicing method |
| CN111863334A (en) * | 2020-08-01 | 2020-10-30 | 江苏江扬特种电缆有限公司 | High-safety communication cable and using method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709017A (en) * | 2022-05-13 | 2022-07-05 | 江苏超诚智能科技有限公司 | High-current power cable and using method thereof |
| CN114709017B (en) * | 2022-05-13 | 2023-08-25 | 江苏超诚智能科技有限公司 | High-current power cable and use method thereof |
| CN116675986A (en) * | 2023-06-06 | 2023-09-01 | 广东澳通特种电缆有限公司 | Silicon rubber high-temperature-resistant cable and preparation method thereof |
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Application publication date: 20210518 |