CN111415768A - A multipurpose cable for salt lake project - Google Patents
A multipurpose cable for salt lake project Download PDFInfo
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- CN111415768A CN111415768A CN202010360473.8A CN202010360473A CN111415768A CN 111415768 A CN111415768 A CN 111415768A CN 202010360473 A CN202010360473 A CN 202010360473A CN 111415768 A CN111415768 A CN 111415768A
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- cable
- layer
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- wire
- elastic support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/026—Alloys based on copper
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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
- H01B7/0045—Cable-harnesses
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
- H01B7/1815—Protections not provided for in groups H01B7/182 - H01B7/26 composed of longitudinal inserts
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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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- 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
- H01B7/2806—Protection against damage caused by corrosion
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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
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
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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
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
Abstract
The invention discloses a multipurpose cable for a salt lake project, which comprises a cable body, wherein the cable body comprises a conductor layer, an inner protection layer, an aramid yarn braided shielding layer, a reinforcing layer, a water blocking layer, a low temperature resistant layer and an outer sheath from inside to outside; the conductor layer comprises a cable core elastic support, a ground wire core, a power wire core and a control wire group; the cable core elastic support is a hollow quadrilateral elastic support with four concave sides, and a ground wire core and a filling rope are placed in the cable core elastic support; 3 power wire cores and a control wire group are arranged at the concave parts of the four sides of the cable core elastic support; the control line group comprises at least one control line core and at least one communication line core. The cable has the advantages of reasonable structural design, good waterproof effect, excellent anti-corrosion performance and the like, achieves multipurpose combination of integrating power, control and communication functions, effectively solves the problem of single cable transmission performance, and can transmit high-power electric energy and transmit signals; and the torsion resistance and the tensile strength of the cable are enhanced through the elastic bracket and the reinforcing layer in the center.
Description
Technical Field
The invention relates to the field of cables, in particular to a multipurpose cable for a salt lake project.
Background
Salt is a very important chemical raw material and is one of necessities of people life, China has a plurality of inland lakes, wherein a considerable part of the inland lakes have high salt content, such as the inland lakes of Sinkiang salt lake, inner Mongolia Alaran, Qinghai lake, Shanxi Yuancheng, Xizanamu and the like, and in addition, the coast line of China is extremely long, and a great number of large-scale enterprises engaged in salt manufacturing or salt chemical engineering in Shandong located in Bohai Bay and coastal provinces and cities such as Jiangsu, Fujian, Guangdong, Guangxi and Hainan are in common problems: as a power supply cable for transmitting electric energy, because a floating barrel supporting mode is adopted and laid on the lake surface or above seawater, salt is easily deposited on the surface of the cable, and the salt is more and more thick, the dead weight of the cable is correspondingly increased, the cable is easily corroded, the heat dissipation of the cable is influenced, finally, the current-carrying capacity of a cable conductor and the service life of the cable can only be reduced, the short circuit is easily caused after moisture enters the corroded cable, the equipment is damaged, great loss is brought to people, and in order not to increase the dead weight of the cable, most of the existing cables are single-core structures and cannot meet the requirements. In addition, with the development of the technology, the cable not only needs to have the function of transmitting power, but also needs to have the functions of transmitting video monitoring, digital control signals and the like, and the existing cable has the problems of single transmission function, poor tensile property and the like.
Disclosure of Invention
To overcome the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a multipurpose cable for salt lake projects.
The invention is realized by adopting the following technical scheme: a multipurpose cable for salt lake projects comprises a cable body, wherein the cable body comprises a conductor layer, an inner protection layer, an aramid yarn braided shielding layer, a reinforcing layer, a water blocking layer, a low temperature resistant layer and an outer sheath from inside to outside; the conductor layer comprises a cable core elastic support, a ground wire core, a power wire core and a control wire group; the cable core elastic support is a hollow quadrilateral elastic support with four concave sides, and a ground wire core and a filling rope are placed in the cable core elastic support; 3 power wire cores and a control wire group are arranged at the concave parts of the four sides of the cable core elastic support; the power wire core comprises a power wire conductor, a power wire insulating layer and a power wire shielding layer from inside to outside; the control line group comprises at least one control line core, at least one communication line core, a control line sheath and a control line shielding layer from inside to outside; the control wire core comprises a control wire conductor, a control wire insulating layer and a wire core shielding layer from inside to outside; the communication wire core comprises a communication wire conductor, a control wire insulating layer and a wire core shielding layer from inside to outside; a filling layer is arranged in the gap among the control wire shielding layer, the power wire shielding layer and the inner protection layer; and a plurality of carbon fiber composite mandrils are arranged in the low temperature resistant layer in a surrounding mode.
According to the multipurpose cable for the salt lake project, the cable core elastic support is made of the polyurethane elastomer.
According to the multipurpose cable for salt lake projects, the control line shielding layer and the wire core shielding layer are metal mesh shielding layers formed by weaving tinned copper wires and fibers after being twisted.
According to the multipurpose cable for the salt lake project, the power line shielding layer is a metal mesh shielding layer woven by common tinned copper wires or a metal mesh shielding layer woven by stranding the tinned copper wires and fibers.
The multipurpose cable for the salt lake project is characterized in that the conductor is formed by stranding a plurality of tinned annealed soft copper wires.
The multipurpose cable for the salt lake project is characterized in that the inner sheath is a rubber sheath.
According to the multipurpose cable for the salt lake project, the power line insulating layer and the control line insulating layer are both rubber insulating layers.
The multipurpose cable for the salt lake project is characterized in that the filling layer is made of a buffer cotton material.
According to the multipurpose cable for the salt lake project, the water-blocking layer is formed by lapping and winding the high-strength water-blocking tape in an overlapping mode.
The multipurpose cable for salt lake projects is characterized in that the low temperature resistant layer is made of TPU materials.
The outer sheath is made of chlorosulfonated polyethylene material.
In conclusion, the invention has the following beneficial effects: the cable has the advantages of reasonable structural design, good waterproof effect, excellent corrosion resistance and the like, and the outer sheath is made of chlorosulfonated polyethylene material, so that the cable body has excellent waterproof performance and performance of preventing salt from being deposited on the surface of the cable body, and the service life of the cable body is greatly prolonged; meanwhile, the whole cable integrates the power wire core, the control wire core and the communication wire core together, so that the multipurpose combination of integrating the power, control and communication functions is realized, the problem of single transmission performance of the cable is effectively solved, and the cable can transmit high-power electric energy and can also transmit signals; and the torsion resistance and the tensile strength of the cable are enhanced through the elastic bracket and the reinforcing layer in the center.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
wherein: 1. a cable core elastic support; 2. a ground wire core; 3. a power line conductor; 4. a power line insulating layer; 5. a power line shielding layer; 6. filling a rope; 7. a control line conductor; 8. a control line insulating layer; 9. a wire core shielding layer; 10. a communication wire conductor, 11, a control wire sheath; 12. a control line shielding layer; 13. a filling layer; 14. an inner protective layer; 15. aramid yarn weaves the shielding layer; 16. a reinforcing layer; 17. a water resistant layer; 18. low temperature resistance; 19. an outer sheath; 20. carbon fiber composite core rod.
Detailed Description
As shown in fig. 1, the multipurpose cable for the salt lake project comprises a cable body, wherein the cable body comprises a conductor layer, an inner protection layer 14, an aramid yarn braided shielding layer 15, a reinforcing layer 16, a water-blocking layer 17, a low-temperature-resistant layer 18 and an outer sheath 19 from inside to outside; the conductor layer comprises a cable core elastic support 1, a ground wire core 2, a power wire core and a control wire group; the cable core elastic support 1 is a hollow quadrilateral elastic support with four concave sides, and a ground wire core 2 and a filling rope 6 are placed inside the cable core elastic support 1; 3 power wire cores and a control wire group are arranged at the concave parts of the four sides of the cable core elastic support 1; the power wire core comprises a power wire conductor 3, a power wire insulating layer 4 and a power wire shielding layer 5 from inside to outside; the control line group comprises at least one control line core, at least one communication line core, a control line sheath 11 and a control line shielding layer 12 from inside to outside; the control wire core comprises a control wire conductor 7, a control wire insulating layer 8 and a wire core shielding layer 9 from inside to outside; the communication wire core comprises a communication wire conductor 10, a control wire insulating layer 8 and a wire core shielding layer 9 from inside to outside; a filling layer 13 is arranged in the gap part among the control wire shielding layer 12, the power wire shielding layer 5 and the inner sheath layer 14; a plurality of carbon fiber composite mandrels 20 are arranged around the inside of the low temperature resistant layer 18.
The cable core elastic support 1 is made of a polyurethane elastomer, so that the cable core elastic support has good elasticity and ensures the flexibility of the cable.
The control line shielding layer 12 and the wire core shielding layer 9 are metal mesh shielding layers formed by weaving tinned copper wires and fibers after being twisted.
The power line shielding layer 5 is a metal mesh shielding layer woven by common tinned copper wires or a metal mesh shielding layer woven by the tinned copper wires and fibers after being twisted. The fiber can be glass fiber, ceramic fiber or organic fiber material, and the like, and is twisted with the tinned copper wire in a pair mode.
The conductor is formed by twisting a plurality of tinned annealed soft copper wires, and the tinning on the surfaces of the copper wires can improve the corrosion resistance of the copper wires.
The filling layer 13 is made of buffering cotton materials, so that the gap degree in the cable body can be effectively reduced, and meanwhile, the good plasticity of the cotton materials is utilized to improve the stability of the cable
The inner protection layer 14 is a rubber sheath, the power line insulation layer 4 and the control line insulation layer 8 are both rubber insulation layers, the rubber insulation layers are made of ethylene propylene diene monomer insulation materials, the temperature resistance level of the ethylene propylene diene monomer insulation materials is 85 ℃, and the ethylene propylene diene monomer insulation layers are soft and capable of bearing high voltage electricity.
The reinforcing layer 16 can effectively prevent the conductor inside the cable from being excessively bent, and even if the conductor 2 is broken, the normal power supply of the equipment is not affected.
The water-blocking layer 17 is formed by lapping and covering a high-strength water-blocking tape in an overlapping mode, and prevents lake water from penetrating into the cable.
The low-temperature resistant layer 18 is made of TPU material, so that the cable body can keep excellent elasticity in a low-temperature environment, has strong tensile resistance, and can not crack even under the condition of continuous torsion.
The outer sheath 19 is made of chlorosulfonated polyethylene material, so that the cable body has excellent waterproof performance and the performance of preventing salt deposition on the surface of the cable body, and the service life of the cable body is greatly prolonged. The design of the outer sheath formula is the key of salt deposition prevention, and the outer sheath formula (weight percentage) is as follows: chlorosulfonated polyethylene 38; 8.5 of talcum powder; 20 parts of nano kaolin; 3.5 of white carbon black; 2.5 parts of carbon black; chlorinated paraffin 14; TAIC 1.2; 4 of magnesium oxide; 0.6 of paraffin; 1.2 parts of a stabilizer; antimony trioxide 2; 1.5-2 of DCP; and 2-3 parts of fusible polytetrafluoroethylene.
The foregoing is a description of embodiments of the present application and all equivalent changes and modifications in structure, features and principles described herein are intended to be included within the scope of the present application.
Claims (10)
1. A multipurpose cable for salt lake projects comprises a cable body, wherein the cable body comprises a conductor layer, an inner protection layer, an aramid yarn braided shielding layer, a reinforcing layer, a water blocking layer, a low temperature resistant layer and an outer sheath from inside to outside; the conductor layer comprises a cable core elastic support, a ground wire core, a power wire core and a control wire group; the cable core elastic support is a hollow quadrilateral elastic support with four concave sides, and a ground wire core and a filling rope are placed in the cable core elastic support; 3 power wire cores and a control wire group are arranged at the concave parts of the four sides of the cable core elastic support; the power wire core comprises a power wire conductor, a power wire insulating layer and a power wire shielding layer from inside to outside; the control line group comprises at least one control line core, at least one communication line core, a control line sheath and a control line shielding layer from inside to outside; the control wire core comprises a control wire conductor, a control wire insulating layer and a wire core shielding layer from inside to outside; the communication wire core comprises a communication wire conductor, a control wire insulating layer and a wire core shielding layer from inside to outside; a filling layer is arranged in the gap among the control wire shielding layer, the power wire shielding layer and the inner protection layer; and a plurality of carbon fiber composite mandrils are arranged in the low temperature resistant layer in a surrounding mode.
2. The utility cable of claim 1, wherein the cable comprises: the cable core elastic support is made of a polyurethane elastomer.
3. The utility cable of claim 1, wherein the cable comprises: and the control line shielding layer and the wire core shielding layer are metal mesh shielding layers formed by weaving tinned copper wires and fibers after being twisted.
4. The utility cable of claim 1, wherein the cable comprises: the power line shielding layer is a metal mesh shielding layer woven by common tinned copper wires or a metal mesh shielding layer woven by the tinned copper wires after being twisted with fibers.
5. The utility cable of claim 1, wherein the cable comprises: the inner protective layer is a rubber sheath.
6. The utility cable of claim 1, wherein the cable comprises: and the power line insulating layer and the control line insulating layer are both rubber insulating layers.
7. The utility cable of claim 1, wherein the cable comprises: the filling layer is made of a buffer cotton material.
8. The utility cable of claim 1, wherein the cable comprises: the water-blocking layer is formed by lapping and covering a high-strength water-blocking tape.
9. The utility cable of claim 1, wherein the cable comprises: the low temperature resistant layer is made of TPU materials.
10. The utility cable of claim 1, wherein the cable comprises: the outer sheath is made of chlorosulfonated polyethylene material; the outer sheath formulation is shown in weight percent as follows: chlorosulfonated polyethylene 38; 8.5 of talcum powder; 20 parts of nano kaolin; 3.5 of white carbon black; 2.5 parts of carbon black; chlorinated paraffin 14; TAIC 1.2; 4 of magnesium oxide; 0.6 of paraffin; 1.2 parts of a stabilizer; antimony trioxide 2; DCP 2; and 2.5 of fusible polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360473.8A CN111415768A (en) | 2020-04-30 | 2020-04-30 | A multipurpose cable for salt lake project |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360473.8A CN111415768A (en) | 2020-04-30 | 2020-04-30 | A multipurpose cable for salt lake project |
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| Publication Number | Publication Date |
|---|---|
| CN111415768A true CN111415768A (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010360473.8A Pending CN111415768A (en) | 2020-04-30 | 2020-04-30 | A multipurpose cable for salt lake project |
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| CN (1) | CN111415768A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114267479A (en) * | 2021-12-30 | 2022-04-01 | 江苏永鼎盛达电缆有限公司 | Photoelectric composite cable for monitoring floating in annular inner support |
-
2020
- 2020-04-30 CN CN202010360473.8A patent/CN111415768A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114267479A (en) * | 2021-12-30 | 2022-04-01 | 江苏永鼎盛达电缆有限公司 | Photoelectric composite cable for monitoring floating in annular inner support |
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