CN111899931A - High-temperature-resistant and high-waterproof PVC power line - Google Patents
High-temperature-resistant and high-waterproof PVC power line Download PDFInfo
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- CN111899931A CN111899931A CN202010697484.5A CN202010697484A CN111899931A CN 111899931 A CN111899931 A CN 111899931A CN 202010697484 A CN202010697484 A CN 202010697484A CN 111899931 A CN111899931 A CN 111899931A
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- power cord
- high temperature
- temperature resistance
- waterproof performance
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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
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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
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/08—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances quartz; glass; glass wool; slag wool; vitreous enamels
- H01B3/082—Wires with glass or glass wool
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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
- H01B7/1865—Sheaths comprising braided non-metallic layers
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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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- 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
- H01B7/2813—Protection against damage caused by electrical, chemical or water tree deterioration
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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
- H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
- H01B7/288—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid
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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
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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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
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/322—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising humidity sensing means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
Abstract
The invention discloses a high-temperature-resistant and high-waterproof PVC power line, which comprises a plurality of protection wires and an outer protection layer wrapping all the protection wires; the protection wire comprises a wire body, and the wire body is sequentially sleeved with an inner sheath, a first protection net and a second protection net from inside to outside; the outer protective layer is sequentially sleeved with a heat insulation layer, a flame retardant layer and an outer sheath from inside to outside. The power line provided by the invention has good high temperature resistance and waterproofness, so that the power line has good spinnability, high temperature resistance, flame retardance and thermal insulation performance, can achieve good waterproofness and water absorbability, and is suitable for most environments.
Description
Technical Field
The invention relates to the technical field of power lines, in particular to a high-temperature-resistant and high-waterproof PVC power line.
Background
The power line is a wire that transmits current. The usual way of current transfer is point-to-point transfer. The power line can be divided into an AC power line and a DC power line according to the purpose, generally, the AC power line is a wire rod passing through AC with higher voltage, and the wire rod needs to be unified standard due to higher voltage so as to obtain a safety certification party and can be formally produced. The DC line passes a direct current with a low voltage, so that the safety requirement is not strict as the AC line, but the countries still require uniform safety certification for safety.
The structure of the power cord is not very complex, but it is not easy to see through it from the surface, and there are places where it is desirable to have professional knowledge of the structure of the power cord if it is good to study the power cord. The power line mainly comprises an outer sheath, an inner sheath and a wire, and common transmission wires comprise metal wires made of copper and aluminum materials. For a long time, electricity using halogen such as decabromine as a main flame retardant almost monopolizes the main market of the power line, but some power lines need to be arranged in some high-temperature and humid environments, which puts new requirements on the safety of the power line.
Therefore, how to provide a high temperature resistant and waterproof PVC power line is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide a high-temperature-resistant and high-waterproof PVC power line, which has good high-temperature resistance and waterproofness, so that the power line has good spinnability, high-temperature resistance, flame retardance and temperature insulation performance, can achieve good waterproofness and water absorbability, and is suitable for most of environments.
The high-temperature-resistant and high-waterproof PVC power line comprises a plurality of protection wires and an outer protection layer wrapping all the protection wires;
the protection wire comprises a wire body, and the wire body is sequentially sleeved with an inner sheath, a first protection net and a second protection net from inside to outside;
the outer protective layer is sequentially sleeved with a heat insulation layer, a flame retardant layer and an outer sheath from inside to outside.
Preferably, a filling padding is filled between the protection wires in the heat insulation layer, and the filling padding is made of fluff pulp and a high polymer material in a composite mode.
Preferably, a filling layer is arranged between the flame-retardant layer and the outer sheath, and a silica gel drying agent is filled in the filling layer.
Preferably, a plurality of connecting rods are arranged between the surface of the first protection net and the inner wall of the second protection net in an annular array mode, and the connecting rods are evenly arranged at the outer end of the second protection net.
Preferably, the gaps between the connecting rods are filled with ultrafine coke powder.
Preferably, the outer sheath and the inner sheath are both made of PVC material.
Preferably, the flame-retardant layer is woven from glass fiber yarns with a limiting oxygen index of 30-33.
Preferably, the two surfaces of the heat insulation layer are coated with ZS-1021 type graphite high-temperature-resistant and oxidation-resistant coating.
Preferably, the first protective mesh and the second protective mesh are both woven meshes of ceramic fibers.
Preferably, the first protective net and the second protective net are coated with anticorrosive coatings, and the anticorrosive coatings are made of ZS-811 high-temperature-resistant anticorrosive paint and 300-mesh quartz powder.
Compared with the prior art, the invention has the beneficial effects that:
(1) the outer sheath and the inner sheath are made of PVC materials, the PVC materials can well achieve the water blocking effect, and meanwhile, the silica gel drying agent is filled in the outer layer of the power line, and the silica gel drying agent is high in adsorption speed and adsorption capacity and is in a color-changeable design, so that whether the power line enters water or not can be conveniently observed;
(2) the packing padding is filled between the protection wires in the internal heat insulation layer, the packing padding is made by compounding fluff pulp and high polymer materials, the packing padding can better absorb moisture entering from the outer layer and is filled in the inner layer of the power cord, meanwhile, the fluff pulp has a large number of irregular gaps, and the natural gaps have super-strong hydrophilic performance after processing and can contain a larger amount of moisture;
(3) the flame-retardant layer is woven by the glass fiber yarns with the limiting oxygen index of 30-33, has excellent resistance such as insulation, flame retardance, heat resistance and the like, can well protect the safety of the internal wire, and meanwhile, the sleeve woven by the glass fiber yarns has good flexibility and flexibility, and can also play good roles in heat insulation and acid and alkali resistance on the wire harness inside the wire;
(4) the first protection net and the second protection net are both ceramic fiber woven nets, and the ceramic fibers have good spinnability, high and low temperature resistance, flame retardance and temperature insulation performance, and achieve good wear resistance and temperature insulation effects. The first protective net and the second protective net are coated with anticorrosive coatings, and the anticorrosive coatings are made of ZS-811 high-temperature-resistant anticorrosive paint and 300-mesh quartz powder, can resist 800 ℃ of high temperature and have good corrosion resistance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a high temperature resistant and waterproof PVC power line according to the present invention;
FIG. 2 is a schematic structural diagram of the protection wire shown in FIG. 1 according to the present invention;
fig. 3 is a schematic structural view of the connecting rod of fig. 1 according to the present invention.
In the figure: 1-protective lead, 11-lead body, 12-inner sheath, 13-first protective net, 14-second protective net, 15-connecting rod, 2-thermal insulation layer, 3-flame retardant layer, 4-filling layer, 5-outer sheath and 6-filling padding.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-3, a high temperature resistant and waterproof PVC power cord includes a plurality of protection wires 1 and an outer protection layer wrapping all protection wires 1;
the protection wire 1 comprises a wire body 11, wherein the wire body 11 is sequentially sleeved with an inner sheath 12, a first protection net 13 and a second protection net 14 from inside to outside;
the outer protective layer is sequentially sleeved with a heat insulation layer 2, a flame retardant layer 3 and an outer sheath 5 from inside to outside.
A plurality of connecting rods 15 are arranged between the surface of the first protection net 13 and the inner wall of the second protection net 14 in an annular array mode, and the connecting rods 15 are evenly arranged at the outer end of the second protection net 14.
In order to increase the waterproofness of the wire body 11, the outer sheath 5 and the inner sheath 12 are made of PVC materials which can well achieve the water blocking effect, a filling layer 4 is arranged between the outer flame-retardant layer 3 and the outer sheath 5, and a silica gel drying agent is filled in the filling layer 4;
the preparation process of the silica gel desiccant comprises the following steps:
s1, mixing and melting silica gel, aluminum oxide, ferric oxide, calcium chloride, magnesium sulfate and carboxymethyl cellulose into liquid, and filtering and diluting the liquid;
s2, mixing the diluted sodium silicate liquid and sulfuric acid into a reactor (about 4-6 m from the ground) by using an air compressor respectively, and spraying the mixture to the inclined upper part of 45-60 ℃ from a rubber pipe with the diameter of about 3 cm, wherein the mixture can automatically form a spherical shape due to the air tension;
and S3, drying in a drying chamber to obtain the silica gel desiccant.
Silica gel drier is filled on the outer layer of the power line, and because the silica gel drier is high in adsorption speed and high in adsorption capacity and is designed to be color-changeable, whether the power line enters water or not can be conveniently observed.
In order to further increase the waterproofness of the wire body 11, the filling padding 6 is filled between the protection wires 1 in the internal heat insulation layer 2, the filling padding 6 is made of fluff pulp and high polymer materials in a compounding way, the filling padding 6 is filled in the inner layer of the power cord and can better absorb moisture entering from the outer layer, meanwhile, the fluff pulp has a large number of irregular gaps, the natural gaps have super-strong hydrophilic performance after processing and can contain a larger amount of moisture, the high polymer materials are high polymer water-absorbent resins, the high polymer water-absorbent resins are novel functional high polymer materials, and the high polymer materials have a high water absorption function of absorbing water which is hundreds to thousands of times heavier than the high polymer materials;
meanwhile, the gaps between the connecting rods 15 are filled with ultrafine coke powder, and when a small amount of moisture enters from the outside, the further coke powder plays a role in absorbing a small amount of moisture permeating inwards.
In order to increase the high temperature resistance of the wire body 11, the flame-retardant layer 3 is woven by glass fiber yarns with the limited oxygen index of 30-33, namely the flame-retardant layer 3 is woven by special glass fiber yarns through a high-speed multi-spindle weaving machine, is a special high-temperature-resistant glass fiber sleeve, has excellent resistances such as insulation, flame retardance, heat resistance and the like, can well protect the safety of an internal wire, and meanwhile, the sleeve woven by the glass fiber yarns has good flexibility and elasticity, and can also play good heat insulation and acid and alkali resistance for a wire harness inside the wire.
In order to further increase the high temperature resistance of the lead body 11, ZS-1021 type graphite high temperature resistant and oxidation resistant coating is coated on two sides of the heat insulation layer 2, so that the environment friendliness is good;
meanwhile, the first protection net 13 and the second protection net 14 are both ceramic fiber woven nets, and the ceramic fibers have good spinnability, high and low temperature resistance, flame retardance and temperature insulation performance, so that good wear-resisting and temperature insulation effects are achieved.
The first protection net 13 and the second protection net 14 are both coated with anticorrosive coatings, and the anticorrosive coatings are made of ZS-811 high-temperature-resistant anticorrosive paint and 300-mesh quartz powder, can resist 800 ℃ of high temperature and have good corrosion resistance.
The power line provided by the invention has good high temperature resistance and waterproofness, so that the power line has good spinnability, high temperature resistance, flame retardance and thermal insulation performance, can achieve good waterproofness and water absorbability, and is suitable for most environments.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a high temperature resistant high waterproof performance PVC power cord which characterized in that: the protective device comprises a plurality of protective wires and an outer protective layer wrapping all the protective wires;
the protection wire comprises a wire body, and the wire body is sequentially sleeved with an inner sheath, a first protection net and a second protection net from inside to outside;
the outer protective layer is sequentially sleeved with a heat insulation layer, a flame retardant layer and an outer sheath from inside to outside.
2. The PVC power cord with high temperature resistance and high waterproof performance as claimed in claim 1, wherein: and filling padding is filled between the protection leads in the heat insulation layer and is made by compounding fluff pulp and high polymer materials.
3. The PVC power cord with high temperature resistance and high waterproof performance as claimed in claim 1, wherein: a filling layer is arranged between the flame-retardant layer and the outer sheath, and a silica gel drying agent is filled in the filling layer.
4. The PVC power cord with high temperature resistance and high waterproof performance as claimed in claim 1, wherein: the first protection net surface with annular array has a plurality of connecting rods between the second protection net inner wall, the connecting rod evenly sets up the second protection net outer end.
5. The PVC power cord with high temperature resistance and high waterproof performance as claimed in claim 1, wherein: and superfine coke powder is filled in the gap between the connecting rods.
6. The PVC power cord with high temperature resistance and high waterproof performance of claim 5, is characterized in that: the outer sheath and the inner sheath are both made of PVC materials.
7. The PVC power cord with high temperature resistance and high waterproof performance as claimed in claim 1, wherein: the flame-retardant layer is woven by glass fiber yarns with the limiting oxygen index of 30-33.
8. The PVC power cord with high temperature resistance and high waterproof performance as claimed in claim 1, wherein: and ZS-1021 type graphite high-temperature-resistant and antioxidant coating is coated on two sides of the heat insulation layer.
9. The PVC power cord with high temperature resistance and high waterproof performance of claim 8, is characterized in that: the first protection net and the second protection net are both ceramic fiber woven nets.
10. The PVC power cord with high temperature resistance and high waterproof performance as claimed in claim 1, wherein: the first protective net and the second protective net are coated with anticorrosive coatings, and the anticorrosive coatings are made of ZS-811 high-temperature-resistant anticorrosive paint and 300-mesh quartz powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010697484.5A CN111899931A (en) | 2020-07-20 | 2020-07-20 | High-temperature-resistant and high-waterproof PVC power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010697484.5A CN111899931A (en) | 2020-07-20 | 2020-07-20 | High-temperature-resistant and high-waterproof PVC power line |
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| Publication Number | Publication Date |
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| CN111899931A true CN111899931A (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010697484.5A Pending CN111899931A (en) | 2020-07-20 | 2020-07-20 | High-temperature-resistant and high-waterproof PVC power line |
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| CN102311600A (en) * | 2010-07-02 | 2012-01-11 | 台湾塑胶工业股份有限公司 | Manufacturing method of high-hydroscopicity resin |
| CN105590683A (en) * | 2014-10-23 | 2016-05-18 | 陕西同力电气有限公司 | Moisture-proof power transmission line |
| CN107068252A (en) * | 2017-05-22 | 2017-08-18 | 安徽埃克森科技集团有限公司 | A kind of composite cable for electrical communication system |
| CN207097490U (en) * | 2017-08-21 | 2018-03-13 | 西安霍威航空科技有限公司 | A kind of composite cable of wear-resisting water resistant |
| CN207302683U (en) * | 2017-09-22 | 2018-05-01 | 佛山市华辉电源线材有限公司 | A kind of PVC power cords of improved structure |
| CN207489522U (en) * | 2017-11-17 | 2018-06-12 | 江苏凯达电缆有限公司 | A kind of high flexibility shell-less aluminum alloy conductor power cable |
| CN208093227U (en) * | 2018-05-16 | 2018-11-13 | 绵阳保和泰越通信线缆有限公司 | A kind of water repellent electric cable |
| CN209766083U (en) * | 2019-04-30 | 2019-12-10 | 四川塔牌电缆绕组线有限责任公司 | Cable with resistant resistance to compression protection architecture |
| CN209843303U (en) * | 2019-04-20 | 2019-12-24 | 蒋欣慰 | Suspension cable for offshore wind power generation |
| US10529465B1 (en) * | 2019-03-26 | 2020-01-07 | Yfc-Boneagle Electric Co., Ltd. | Waterproof signal cable structure |
| CN210349398U (en) * | 2019-07-23 | 2020-04-17 | 西部电缆陕西有限公司 | Corrosion-resistant power cable |
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2020
- 2020-07-20 CN CN202010697484.5A patent/CN111899931A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311600A (en) * | 2010-07-02 | 2012-01-11 | 台湾塑胶工业股份有限公司 | Manufacturing method of high-hydroscopicity resin |
| CN105590683A (en) * | 2014-10-23 | 2016-05-18 | 陕西同力电气有限公司 | Moisture-proof power transmission line |
| CN107068252A (en) * | 2017-05-22 | 2017-08-18 | 安徽埃克森科技集团有限公司 | A kind of composite cable for electrical communication system |
| CN207097490U (en) * | 2017-08-21 | 2018-03-13 | 西安霍威航空科技有限公司 | A kind of composite cable of wear-resisting water resistant |
| CN207302683U (en) * | 2017-09-22 | 2018-05-01 | 佛山市华辉电源线材有限公司 | A kind of PVC power cords of improved structure |
| CN207489522U (en) * | 2017-11-17 | 2018-06-12 | 江苏凯达电缆有限公司 | A kind of high flexibility shell-less aluminum alloy conductor power cable |
| CN208093227U (en) * | 2018-05-16 | 2018-11-13 | 绵阳保和泰越通信线缆有限公司 | A kind of water repellent electric cable |
| US10529465B1 (en) * | 2019-03-26 | 2020-01-07 | Yfc-Boneagle Electric Co., Ltd. | Waterproof signal cable structure |
| CN209843303U (en) * | 2019-04-20 | 2019-12-24 | 蒋欣慰 | Suspension cable for offshore wind power generation |
| CN209766083U (en) * | 2019-04-30 | 2019-12-10 | 四川塔牌电缆绕组线有限责任公司 | Cable with resistant resistance to compression protection architecture |
| CN210349398U (en) * | 2019-07-23 | 2020-04-17 | 西部电缆陕西有限公司 | Corrosion-resistant power cable |
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Application publication date: 20201106 |
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