CN111883307B - High-flame-retardant low-release green environment-friendly cable - Google Patents
High-flame-retardant low-release green environment-friendly cable Download PDFInfo
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- CN111883307B CN111883307B CN202010754072.0A CN202010754072A CN111883307B CN 111883307 B CN111883307 B CN 111883307B CN 202010754072 A CN202010754072 A CN 202010754072A CN 111883307 B CN111883307 B CN 111883307B
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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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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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
- 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
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
- H01B7/1825—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of a high tensile strength core
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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
- H01B7/1875—Multi-layer sheaths
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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
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The invention discloses a high-flame-retardance low-release green environment-friendly cable which comprises a high-flame-retardance outer layer, wherein an inner ring of the high-flame-retardance outer layer is fixedly connected with a first shielding layer outer ring, an inner ring of the first shielding layer is fixedly connected with a high-flame-retardance inner layer outer ring, an inner ring of the high-flame-retardance inner layer is fixedly connected with first armor and second armor outer walls, inner walls of the first armor and the second armor are fixedly connected with a tensile layer outer ring, a heating resistance wire is arranged at the center of the tensile layer inner ring, a conductor cable main body is arranged in the tensile layer and close to the outer ring of the heating resistance wire, an outer ring of the conductor cable main body is fixedly connected with an inner ring of an insulating layer, and an outer ring of the insulating layer is fixedly connected with a second shielding layer inner ring. This high fire-retardant low release green cable through the high fire-retardant skin and the high fire-retardant inlayer that set up, can guarantee under the high temperature ring advances that it can not burnt out, can also further prevent simultaneously that it from being lighted fast by flame under combustion environment, can not produce in the toxic gas discharge surrounding environment under long-time high temperature combustion environment simultaneously.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a high-flame-retardant low-release green environment-friendly cable.
Background
With the continuous progress of human society, the awareness of people on environmental protection is gradually improved, and ecological environment, environmental protection products, "green" food, "green" engineering and the like become one of the focuses of people. In the wire and cable industry, there are also clean cables, "green" cables, and environmental friendly cables, and the green cables should have the following characteristics: firstly, raw materials and auxiliary materials for manufacturing do not pollute the surrounding environment; secondly, the wire and cable material does not contain halogen such as bromine, fluorine and the like, and secondary pollution such as harmful gas, corrosive gas and the like cannot be generated in emergency (such as electrical accidents and fire disasters); the smoke amount is less during combustion, and the flame retardant property is better; fourthly, the soil conditioner does not contain heavy metals such as lead, cadmium and the like which can cause harmful influence on the environment, does not contain environmental hormones, and does not pollute the soil; fifth, the wire and cable can be recycled after being abandoned, and the wire and cable can not harm the environment when being buried and burned; and sixthly, conforming to ROHS instruction requirements formulated by European Union. The ROHS directive established in the european union requires that harmful substances such as lead, mercury, cadmium, hexavalent chromium, polybrominated diphenyl ethers, polybrominated biphenyls, and the like are prohibited from being used in electronic and electrical equipment newly put on the market.
The existing environment-friendly cable is low in flame retardance, easy to burn out in a high-temperature combustion environment, low in tensile resistance in the using process, easy to freeze outside the cable in a low-temperature freezing environment to cause damage to the cable, and low in curling and stretching property, so that the high-flame-retardance low-release environment-friendly cable needs to be invented.
Disclosure of Invention
The invention aims to provide a high-flame-retardant low-release environment-friendly cable to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high fire-retardant low release green cable, includes high fire-retardant skin, the first shielding layer outer lane of high fire-retardant outer inner circle fixed connection, the high fire-retardant inlayer outer lane of first shielding layer inner circle fixed connection, first armor of high fire-retardant inlayer inner circle fixed connection and second armor outer wall, first armor and second armor inner wall fixed connection tensile layer outer lane, tensile layer inner circle center is provided with the heating resistor silk, it is provided with the conductor cable main part to be close to the heating resistor silk outer lane in the tensile layer, conductor cable main part outer lane fixed connection insulating layer inner circle, insulating layer outer lane fixed connection second shielding layer inner circle, it is provided with tough silk to be close to the second shielding layer in the tensile layer, tough silk outer lane fixed connection heat-insulating metal sleeve inner circle.
Preferably, a heat insulation layer is arranged among the heat insulation metal sleeve in the tensile layer, the second shielding layer and the heating resistance wire, and the heat insulation layer is made of heat-resistant PVC.
Preferably, the tough filaments are made of tensile rubber, and the insulating layer is made of silicon rubber.
Preferably, the number of the conductor cable main bodies and the number of the tough wires are three, the three conductor cable main bodies and the tough wires are distributed in the tensile layer in a regular triangle arrangement, and the tough wires are arranged between the conductor cable main bodies.
Preferably, the first shielding layer and the second shielding layer are both meshed, and the first shielding layer and the second shielding layer are woven meshes woven by copper wires.
Preferably, the tensile layer is composed of steel wires and silicon rubber strips, and the steel wires and the silicon rubber strips are distributed on the outer walls of the first armor and the second armor in an intersecting mode.
Preferably, the first concatenation strip of both sides fixed connection is inboard around the first armor and the second concatenation strip, first joint groove has been seted up to first concatenation strip bottom, the first joint strip bottom of the corresponding first joint groove fixed connection in second concatenation strip top, the first spacing inboard of both sides fixed connection about the first armor, the spacing inboard of both sides fixed connection second about the second armor.
Preferably, the high-flame-retardant outer layer and the high-flame-retardant inner layer are both made of antimony trioxide and resin in a mixed mode, and the thicknesses of the high-flame-retardant outer layer and the high-flame-retardant inner layer are both 1 mm.
Preferably, the first armor is arranged at the top and the bottom of the tensile layer, the second armor is arranged at the left side and the right side of the tensile layer, the front side and the rear side of the second armor are fixedly connected with the inner sides of a third splicing strip and a fourth splicing strip, and the top of the fourth splicing strip is fixedly connected with the bottom of a second clamping strip.
Compared with the prior art, the invention has the beneficial effects that:
1. this high fire-retardant low release green cable through the high fire-retardant skin and the high fire-retardant inlayer that set up, can guarantee under the high temperature ring advances that it can not burnt out, can also further prevent simultaneously that it from being lighted fast by flame under combustion environment, can not produce in the toxic gas discharge surrounding environment under long-time high temperature combustion environment simultaneously.
2. This high fire-retardant low release green cable through setting up the heating resistor silk, can guarantee through heating resistor silk ohmic heating that the temperature of cable self is higher than ambient temperature under the low temperature icing environment, effectually prevents that the cable outer wall from producing the phenomenon of icing, can effectually reach the purpose of heating snow melt simultaneously in sleet weather, the burden that the snow of effectual solution caused the cable.
3. This high fire-retardant low release green cable through tensile layer and tough silk, can effectually reach the rigidity requirement and the toughness requirement of cable, can effectually guarantee that the cable has high tensile strength in the use, and the first shielding layer and the second shielding layer that set up simultaneously can effectually prevent external influence to the cable inside.
Drawings
FIG. 1 is a schematic cross-sectional view of a cable according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is a schematic structural view of the appearance of a first shielding layer of the cable;
FIG. 4 is a schematic view of a first and second sheath distribution configuration of the cable;
FIG. 5 is a schematic structural view of the front faces of the first armor and the second armor;
FIG. 6 is a schematic cross-sectional view of a first armored first clamping groove and a first clamping strip;
fig. 7 is a schematic diagram of the distribution structure of the steel wires and the silicon rubber strips of the tensile layer.
In the figure: 1. a high flame retardant outer layer; 2. a first shielding layer; 3. a high flame retardant inner layer; 4. a heat insulating metal sheath; 5. an insulating layer; 6. a conductor cable body; 7. a second shielding layer; 8. a tensile layer; 801. a steel wire; 802. a silicone rubber strip; 9. heating resistance wires; 10. a fourth splicing strip; 11. a thermal insulation layer; 12. a second limit bar; 13. a second armor; 14. a tough filament; 15. a first limit strip; 16. a first armor; 17. a first splice bar; 18. a first clamping groove; 19. a second splice bar; 20. a first clamping strip; 21. a third splice bar; 22. a second clamping strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a high flame-retardant low-release green environment-friendly cable comprises a high flame-retardant outer layer 1, wherein an inner ring of the high flame-retardant outer layer 1 is fixedly connected with an outer ring of a first shielding layer 2, an inner ring of the first shielding layer 2 is fixedly connected with an outer ring of a high flame-retardant inner layer 3, the high flame-retardant outer layer 1 and the high flame-retardant inner layer 3 are both made of antimony trioxide and resin in a mixing mode, the thicknesses of the high flame-retardant outer layer 1 and the high flame-retardant inner layer 3 are the same and are 1mm, through the arrangement of the high flame-retardant outer layer 1 and the high flame-retardant inner layer 3, the high flame-retardant inner layer 3 can be ensured not to be burnt under a high-temperature environment, meanwhile, the high flame-retardant inner layer can be further prevented from being rapidly ignited by flame in a combustion environment, toxic gas can not be generated to be discharged out of the surrounding environment under a long-time high-temperature combustion environment, the high flame-retardant inner layer 3 is fixedly connected with the outer walls of a first armor inner ring 16 and a second armor 13, the front side and a rear side of the first splicing strip 17 and a second splicing strip 19 are fixedly connected with the inner side of the first armor 16, the bottom of the first splicing strip 17 is provided with a first clamping groove 18, the top of the second splicing strip 19 is fixedly connected with the bottom of the first clamping strip 20 corresponding to the first clamping groove 18, the left side and the right side of the first armor 16 are fixedly connected with the inner side of the first limiting strip 15, the upper side and the lower side of the second armor 13 are fixedly connected with the inner side of the second limiting strip 12, the first armor 16 is arranged at the top and the bottom of the tensile layer 8, the second armor 13 is arranged at the left side and the right side of the tensile layer 8, the front side and the rear side of the second armor 13 are fixedly connected with the inner side of the third splicing strip 21 and the inner side of the fourth splicing strip 10, the top of the fourth splicing strip 10 is fixedly connected with the bottom of the second clamping strip 22, the bottom of the third splicing strip 21 is provided with a second clamping groove corresponding to the second clamping strip 22, the first armor 16 and the second armor 13 are mutually clamped with the first clamping strip 20, the second clamping strip 22 and the second clamping groove through the first clamping groove 18 to achieve fixed clamping, the outer ring of the first armor 16 and the second armor 13 is fixedly connected with the outer ring 8, the tensile layer 8 is composed of a steel wire 801 and a silicon rubber strip 802, the steel wire 801 and the silicon rubber strip 802 are distributed on the outer walls of the first armor 16 and the second armor 13 in a mutually crossed mode, a heating resistance wire 9 is arranged at the center of the inner ring of the tensile layer 8, the heating resistance wire 9 is arranged, the temperature of a cable can be guaranteed to be higher than the temperature of the surrounding environment through the power-on heating of the heating resistance wire 9 in a low-temperature icing environment, the icing phenomenon of the outer wall of the cable can be effectively prevented, meanwhile, the purpose of heating and melting snow can be effectively achieved in rain and snow weather, the burden of accumulated snow on the cable is effectively solved, a conductor cable main body 6 is arranged in the tensile layer 8 and close to the outer ring of the heating resistance wire 9, the outer ring of the conductor cable main body 6 is fixedly connected with an inner ring of an insulating layer 5, the insulating layer 5 is made of silicon rubber, the outer ring of the insulating layer 5 is fixedly connected with the inner ring of a second shielding layer 7, and the first shielding layer 2 and the second shielding layer 7 are both meshed, the first shielding layer 2 and the second shielding layer 7 which are arranged at the same time can effectively prevent the influence of the outside on the inside of the cable, the first shielding layer 2 and the second shielding layer 7 are woven meshes by copper wires, the tough wires 14 are arranged in the tensile layer 8 and close to the second shielding layer 7, the tough wires 14 are made of tensile rubber, the outer ring of the tough wires 14 is fixedly connected with the inner ring of the heat-insulating metal sleeve 4, the number of the conductor cable main bodies 6 and the number of the tough wires 14 are three, the three conductor cable main bodies 6 and the tough wires 14 are distributed in the tensile layer 8 in a regular triangle arrangement, the rigidity requirement and the toughness requirement of the cable can be effectively met through the tensile layer 8 and the tough wires 14, the cable can be effectively ensured to have extremely high tensile property in the use process, the tough wires 14 are arranged between the conductor cable main bodies 6, the heat-insulating layer 11 is arranged among the heat-insulating metal sleeve 4 in the tensile layer 8, the second shielding layer 7 and the heating resistance wire 9, the heat insulating layer 11 is made of heat-resistant PVC.
When in use, the high flame-retardant outer layer 1 and the high flame-retardant inner layer 3 can ensure that the high flame-retardant outer layer and the high flame-retardant inner layer are not burnt out under the high-temperature looping, meanwhile, the flame can be further prevented from being rapidly ignited by flame in a combustion environment, toxic gas can not be generated and discharged out of the surrounding environment in a long-time high-temperature combustion environment, the heating resistance wire 9 can be used in a low-temperature icing environment, the temperature of the cable is ensured to be higher than the ambient temperature by electrifying and heating the heating resistance wire 9, the icing phenomenon on the outer wall of the cable is effectively prevented, meanwhile, the purpose of heating and melting snow can be effectively achieved in rainy and snowy weather, the problem of the burden of accumulated snow on the cable is solved, the tensile layer 8 and the tough wires 14, the rigidity requirement and the toughness requirement of the cable are met through the steel wire 801 and the silicon rubber strip 802, the cable is guaranteed to have extremely high tensile property in the using process, and the first shielding layer 2 and the second shielding layer 7 can effectively prevent the influence of the outside on the inside of the cable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high fire-retardant low release green cable, includes high fire-retardant skin (1), its characterized in that: the high flame-retardant outer layer (1) inner ring is fixedly connected with a first shielding layer (2) outer ring, the first shielding layer (2) inner ring is fixedly connected with a high flame-retardant inner layer (3) outer ring, the high flame-retardant inner layer (3) inner ring is fixedly connected with the outer walls of a first armor (16) and a second armor (13), the inner walls of the first armor (16) and the second armor (13) are fixedly connected with a tensile layer (8) outer ring, a heating resistance wire (9) is arranged at the center of the tensile layer (8) inner ring, a conductor cable main body (6) is arranged in the tensile layer (8) close to the outer ring of the heating resistance wire (9), an insulating layer (5) inner ring is fixedly connected with the outer ring of the conductor cable main body (6), the insulating layer (5) outer ring is fixedly connected with a second shielding layer (7) inner ring, a tough wire (14) is arranged in the tensile layer (8) close to the second shielding layer (7), the heat-insulation metal sleeve (4) inner ring is fixedly connected with the outer ring of the tough yarn (14), the front side and the rear side of a first armor (16) are fixedly connected with the inner sides of a first splicing strip (17) and a second splicing strip (19), a first clamping groove (18) is formed in the bottom of the first splicing strip (17), the top of the second splicing strip (19) corresponds to the bottom of the first clamping groove (18) and is fixedly connected with the inner side of a first limiting strip (15), the upper side and the lower side of a second armor (13) are fixedly connected with the inner side of a second limiting strip (12), the high-flame-retardant outer layer (1) and the high-flame-retardant inner layer (3) are made by mixing antimony trioxide and resin, the high-flame-retardant outer layer (1) and the high-flame-retardant inner layer (3) are 1mm in thickness, the first armor (16) is arranged at the top and the bottom of a tensile layer (8), second armor (13) set up on tensile layer (8) left side and right side, both sides fixed connection third concatenation strip (21) and fourth concatenation strip (10) are inboard around second armor (13), fourth concatenation strip (10) top fixed connection second joint strip (22) bottom.
2. The high flame retardant low release green environmental protection cable according to claim 1, wherein: and a heat insulation layer (11) is arranged among the heat insulation metal sleeve (4), the second shielding layer (7) and the heating resistance wire (9) in the tensile layer (8), and the heat insulation layer (11) is made of heat-resistant PVC.
3. The high flame retardant low release green environmental protection cable of claim 1, wherein: the tough wires (14) are made of tensile rubber, and the insulating layer (5) is made of silicon rubber.
4. The high flame retardant low release green environmental protection cable according to claim 1, wherein: the conductor cable comprises a conductor cable main body (6) and a plurality of tough filaments (14), wherein the number of the conductor cable main body (6) and the number of the tough filaments (14) are three, the conductor cable main body (6) and the tough filaments (14) are distributed in a regular triangle in an arranging mode in a tensile layer (8), and the tough filaments (14) are arranged between the conductor cable main bodies (6).
5. The high flame retardant low release green environmental protection cable according to claim 1, wherein: the first shielding layer (2) and the second shielding layer (7) are both meshed, and the first shielding layer (2) and the second shielding layer (7) are woven meshes woven by copper wires.
6. The high flame retardant low release green environmental protection cable according to claim 1, wherein: the tensile layer (8) is composed of steel wires (801) and silicon rubber strips (802), and the steel wires (801) and the silicon rubber strips (802) are distributed on the outer walls of the first armor (16) and the second armor (13) in an intersecting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010754072.0A CN111883307B (en) | 2020-07-30 | 2020-07-30 | High-flame-retardant low-release green environment-friendly cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010754072.0A CN111883307B (en) | 2020-07-30 | 2020-07-30 | High-flame-retardant low-release green environment-friendly cable |
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| Publication Number | Publication Date |
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| CN111883307A CN111883307A (en) | 2020-11-03 |
| CN111883307B true CN111883307B (en) | 2022-09-23 |
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| CN202010754072.0A Active CN111883307B (en) | 2020-07-30 | 2020-07-30 | High-flame-retardant low-release green environment-friendly cable |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3947388B2 (en) * | 2001-11-19 | 2007-07-18 | 沖縄電力株式会社 | Double armored submarine cable with wear detection function and its installation method |
| US20140238718A1 (en) * | 2013-02-25 | 2014-08-28 | General Cable Technologies Corporation | Protective armor for cabling |
| CN105869750A (en) * | 2016-05-20 | 2016-08-17 | 安徽新科电缆集团股份有限公司 | High-temperature-resistant and flame-retardant medium-voltage cable |
| CN206558262U (en) * | 2017-03-20 | 2017-10-13 | 南京铁道职业技术学院 | A kind of low temperature resistant Snowmelt Type electric railway cable |
| CN207637545U (en) * | 2017-12-20 | 2018-07-20 | 合肥远发信息科技有限责任公司 | A kind of ceramic base flame retardant cable to work under hot environment |
| CN209843308U (en) * | 2019-04-30 | 2019-12-24 | 无锡市神光电缆有限公司 | Crosslinked polyethylene cable |
| CN210640041U (en) * | 2019-07-09 | 2020-05-29 | 襄阳市诺立信电线电缆有限公司 | Power cable with high cold resistance and high elasticity |
| CN110767363A (en) * | 2019-10-14 | 2020-02-07 | 江苏泰祥电线电缆有限公司 | Three-core high-temperature-resistant tensile rubber sheath |
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2020
- 2020-07-30 CN CN202010754072.0A patent/CN111883307B/en active Active
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