CN220509724U - Wire and cable with dampproofing function - Google Patents
Wire and cable with dampproofing function Download PDFInfo
- Publication number
- CN220509724U CN220509724U CN202321889804.2U CN202321889804U CN220509724U CN 220509724 U CN220509724 U CN 220509724U CN 202321889804 U CN202321889804 U CN 202321889804U CN 220509724 U CN220509724 U CN 220509724U
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- layer
- cable
- silicon rubber
- conductor
- electric wire
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- 239000010410 layer Substances 0.000 claims abstract description 116
- 239000004020 conductor Substances 0.000 claims abstract description 40
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 39
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 14
- 239000000741 silica gel Substances 0.000 claims abstract description 12
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000009941 weaving Methods 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000004447 silicone coating Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 abstract description 8
- 238000007254 oxidation reaction Methods 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 11
- 239000004945 silicone rubber Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- -1 oxidation resistance Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003878 thermal aging Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a wire and cable with a dampproof function, which comprises a conductor, a silicon rubber insulating layer arranged outside the conductor, and a silicon rubber protective layer arranged outside the silicon rubber insulating layer, wherein a semiconductive tape wrapping layer is arranged between the conductor and the silicon rubber insulating layer, and an aramid fiber woven layer is arranged between the silicon rubber insulating layer and the silicon rubber protective layer. According to the electric wire and cable disclosed by the utility model, the semi-conductive tape wrapping layer, the silicon rubber insulating layer, the aramid fiber weaving layer and the silica gel protective layer which are sequentially arranged outside the conductor are adopted, so that the electric wire and cable is prevented from being damp, moisture is prevented from entering the electric wire and cable to cause the inside of the cable to be damped, the problem of blackening due to damped oxidation is avoided, the service life of the electric wire and cable is prolonged, the electric wire and cable can withstand higher voltage, the use requirement of the electric wire and cable is met, the normal operation of electric equipment is ensured, the product use performance is greatly improved, the practicability is stronger, and the electric wire and cable has a wide application place.
Description
Technical Field
The utility model relates to the technical field of power cables, in particular to a wire cable with a dampproof function.
Background
The power cable industry is an important supporting industry of national economy, and with the continuous expansion of the industry scale of the Chinese power industry, the data communication industry, the urban rail transit industry, the automobile industry, the manufacturing process and the like, the demand for wires and cables is also rapidly growing. As an electric wire for transmitting and distributing electric power, an electric power cable, which is an important transmission medium indispensable for industrial and civil use, has been widely used in various fields at present. With the development of technology and the change of market, the demand for electric wires and cables is also rapidly increasing.
The electric wire and cable generally comprises an inner metal conductor, an intermediate insulating layer and an outer sheath layer, wherein the electric wire and cable is easy to generate a damp phenomenon in the use process, and particularly in damp environments such as a kitchen, a bathroom and the like, the conductor is easy to be damp, oxidized and blackened, and the insulating layer is easy to be damp to cause insulation resistance to be reduced, so that the use performance of the product is seriously affected. The existing electric wire and cable generally adopts polyvinyl chloride material as an insulating layer, and is easy to absorb water and damp, so that heat cannot be timely emitted after long-time use and heating, and insulation aging can be accelerated due to high heat, thereby causing the electric wire to easily fail and reducing the service life of the product. Particularly, when a fire disaster occurs, the polyvinyl chloride material can release a large amount of halogen gas and black smoke, the halogen gas stimulates and affects the respiratory system of people, and the black smoke reduces the light transmittance of an effective space, so that the casualty probability is greatly increased.
Aiming at the current moisture-proof electric wire and cable which is commonly used, the electric property and the mechanical property of the electric wire and cable are ensured, and the service life of the electric wire and cable is influenced in order to avoid the problem that the inside of the electric wire and cable is moist, the prior electric wire and cable are required to be improved, so that the electric wire and cable which is different from the electric wire and cable adopting the polyvinyl chloride material as the insulating layer is provided.
Disclosure of Invention
The utility model aims at solving the technical problems in the background technology and prevents the problems of moisture, oxidation and blackening, thereby providing a wire and cable with the functions of green, environment protection, moisture resistance and the like, and the wire and cable can not only improve the service life of products, but also can ensure the safety of people life and property on the premise of ensuring the normal operation of electric equipment, in particular to the wire and cable with the moisture resistance.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a wire and cable with dampproofing function, includes the conductor and locates the outside silicone rubber insulating layer of conductor to and locate the silica gel protective layer outside the silicone rubber insulating layer, and be equipped with the semiconductive belt between conductor and the silicone rubber insulating layer around the covering, and be equipped with the aramid fiber weaving layer between silicone rubber insulating layer and the silica gel protective layer.
Further, the electric wire and cable adopting the utility model, wherein the conductor is a tin-plated copper stranded conductor.
Further, the electric wire and cable are adopted, wherein the conductors are formed by twisting 65-85 kinds of 5 th soft copper conductor monofilaments meeting the GB/T3956 rule according to a pitch.
Further, the electric wire and cable adopting the utility model, wherein the semi-conductive tape wrapping layer is composed of an inner layer and an outer layer, the inner layer is a conductive layer, and the outer layer is an insulating layer.
Further, the thickness of the semi-conductive tape wrapping layer is 0.1-0.3 mm, wherein the conductive layer is formed by coating nano conductive graphite, and the insulating layer is formed by extrusion molding of silicone rubber insulating material.
Further, the electric wire and cable adopting the utility model, wherein the thickness of the aramid woven layer is 0.2-0.4 mm.
Further, the electric wire and cable adopting the utility model, wherein the silica gel protective layer is composed of an inner layer and an outer layer, the inner layer is a fiber woven layer, and the outer layer is a silicone coating layer.
According to the electric wire and cable with the dampproof function, disclosed by the utility model, the semi-conductive tape wrapping layer, the silicon rubber insulating layer, the aramid fiber weaving layer and the silicon rubber protective layer which are sequentially arranged outside the conductor are adopted, so that the dampproof effect on the electric wire and cable is realized, moisture is prevented from entering the electric wire and cable to cause the inside of the cable to be damped, the problem of blackening due to damped oxidation is avoided, the service life of the electric wire and cable is prolonged, the electric wire and cable can withstand higher voltage, the use requirement of the electric wire and cable is met, the normal operation of electric equipment is ensured, the service performance of a product is greatly improved, the electric wire and cable is higher in practicability, and wide in application places.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present utility model.
The figure shows: 1-conductor, 2-silicon rubber insulating layer, 3-silica gel protective layer, 4-semi-conductive tape wrapping layer and 5-aramid fiber weaving layer.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper", "lower", "left", "right" and the like are used herein for descriptive purposes only and are not intended to limit the scope of the utility model for which the utility model may be practiced.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "connected", "provided" and "having a meaning of" connected "are to be interpreted in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
It should be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1, the electric wire and cable with the moisture-proof function comprises a conductor 1, a silicon rubber insulating layer 2 arranged outside the conductor 1, and a silicon rubber protective layer 3 arranged outside the silicon rubber insulating layer 2, wherein a semi-conductive tape wrapping layer 4 is arranged between the conductor 1 and the silicon rubber insulating layer 2, and an aramid fiber weaving layer 5 is arranged between the silicon rubber insulating layer 2 and the silicon rubber protective layer 3. The conductor 1 is a tinned copper stranded conductor and is formed by stranding 65-85 5 th soft copper conductor monofilaments meeting the specification of GB/T3956 according to pitch; the thickness of the semi-conductive tape wrapping layer 4 is 0.1-0.3 mm, the semi-conductive tape wrapping layer is composed of an inner layer and an outer layer, the inner layer is a conductive layer and is formed by coating nano conductive graphite, the outer layer is an insulating layer and is formed by extrusion molding of silicone rubber insulating materials; the thickness of the aramid fiber weaving layer 5 is 0.2-0.4 mm; the silica gel protective layer 3 is composed of an inner layer and an outer layer, wherein the inner layer is a fiber woven layer, and the outer layer is a silicone coating layer.
The electric wire and cable adopting the utility model has the design characteristics that: considering that the electric wires and cables are easy to generate a damping phenomenon in the use process, the insulation layer is easy to damp to cause the insulation resistance to be reduced, and the conductors are prevented from being blackened due to damp oxidation, the design key points are mainly to strengthen the protection of the insulation layer so as to enhance the moisture resistance and ensure the pressure resistance of the insulation layer, the semi-conductive tape wrapping layer 4 is designed in the silicon rubber insulation layer 2 for protection, and the aramid fiber woven layer 5 is arranged between the silicon rubber insulation layer 2 and the silica gel protection layer 3, so that the inside and outside double isolation protection of the insulation layer is the characteristic of the utility model.
According to the electric wire and cable disclosed by the utility model, as the conductor 1 is a tin-plated copper stranded conductor, the conductor is formed by stranding a plurality of 5 th soft copper conductor monofilaments conforming to the specification of GB/T3956 according to pitch, under normal temperature conditions, tin is very stable in air, and a layer of compact oxide film can be generated on the surface of the tin, so that the continuous oxidation of the tin can be prevented, and the oxidation resistance of copper can be improved to a certain extent by tinning the copper surface; the stability, conductivity, wear resistance, corrosion resistance and electromagnetic shielding property of the tin-plated copper are all good, and the tin-plated copper stranded conductor is adopted, so that the prepared electric wire and cable are very soft, and the conductivity of the conductor 1 can be enhanced.
The silicon rubber insulating layer 2 is adopted to replace an insulating layer made of the existing polyvinyl chloride material, and because the silicon rubber has good hydrophobicity, moisture is attached to the surface of the insulating jacket in a water droplet form, a conductive water film layer is not formed, and the pollution flashover resistance of the insulation is improved. When the electric wire and cable run under severe environment, the hydrophobicity of the surface of the silicone rubber can be temporarily weakened or lost due to the partial discharge of the high-strength field region and the fouling factor of the surface of the umbrella cover, but the hydrophobicity of the surface can be automatically recovered after a few hours, so that the moisture resistance can be enhanced by utilizing the silicone rubber insulating layer 2.
The silica gel protective layer 3 is formed by an inner layer and an outer layer, wherein the inner layer is a fiber woven layer, the outer layer is a silicone grease coating layer, and the silica gel protective layer is formed by adopting high-bulkiness fiber woven coating special high-temperature organic heat-resistant silica gel and vulcanizing at high temperature in the specific manufacturing process, has excellent high-temperature fireproof function and heat insulation effect, also has low weight, low density and other special properties, and the silicone grease has good waterproof sealing performance, waterproof performance, solvent resistance and creepage resistance, does not corrode metal, oxidation resistance, chemical stability and lubricity, has better adaptability with rubber, and can improve the lubricity of the installation process and also improve the insulating property at an accessory interface.
In addition, since the semi-conductive tape wrapping layer 4 is arranged between the conductor 1 and the silicon rubber insulating layer 2, the semi-conductive tape wrapping layer 4 has the following functions: the conductor is positioned outside the conductor, fills up the ravines of the conductor due to the single filament twisting structure, can better homogenize the electric field, prevents the wire and the cable from causing the point discharge due to instantaneous high voltage, enables the wire and the cable to better withstand the instantaneous voltage, and prevents copper ions in the conductor from oxidizing to damage the thermal aging characteristic of the silicon rubber insulating layer. An aramid fiber weaving layer 5 is arranged between the rubber insulating layer 2 and the silica gel protective layer 3, and the aramid fiber has the special properties of low density, very high tensile modulus, higher breaking strength, lower breaking elongation and the like; at higher temperatures, the inherent stability, very low shrinkage, low creep and very high glass transition temperature are maintained, in addition to having high corrosion resistance, non-conductivity, besides strong acid and strong alkali, the aramid fiber woven fabric has strong chemical resistance, can effectively improve the tensile strength of the cable, and prevents the mechanical damage of the electric wire and the cable caused by too small bending radius.
Other aspects of the utility model are not specifically described and are well known to those skilled in the art.
In summary, according to the electric wire and cable disclosed by the utility model, through the semi-conductive tape wrapping layer 4, the silicon rubber insulating layer 2, the aramid fiber weaving layer 5 and the silicon rubber protecting layer 3 which are sequentially arranged outside the conductor 1, the electric wire and cable is prevented from being damp by adopting a double-layer protection mode, moisture is prevented from entering the electric wire and cable to cause the inside of the electric cable to be damped, the problem of blackening due to damped oxidation is avoided, the service life of the electric wire and cable is prolonged, the electric wire and cable can withstand higher voltage, the use requirement of the electric wire and cable is met, the normal operation of electric equipment is ensured, the service performance of a product is greatly improved, the electric wire and cable is high in practicability, and wide in application places.
The protection scope of the present utility model is not limited to the technical solutions disclosed in the specific embodiments, but the above description is only a preferred embodiment of the present utility model, and is not limited to the present utility model, and any minor modifications, equivalent substitutions and improvements made according to the technical solutions of the present utility model should be included in the protection scope of the technical solutions of the present utility model.
Claims (1)
1. The utility model provides a wire and cable with dampproofing function which characterized in that: the high-voltage power supply comprises a conductor (1), a silicon rubber insulating layer (2) arranged outside the conductor (1) and a silicon rubber protective layer (3) arranged outside the silicon rubber insulating layer (2), wherein a semi-conductive tape wrapping layer (4) is arranged between the conductor (1) and the silicon rubber insulating layer (2), and an aramid fiber weaving layer (5) is arranged between the silicon rubber insulating layer (2) and the silicon rubber protective layer (3); the conductor (1) is a tinned copper stranded conductor and is formed by stranding 65-85 5 th soft copper conductor monofilaments meeting the GB/T3956 specification according to a pitch; the thickness of the semi-conductive tape wrapping layer (4) is 0.1-0.3 mm, and the semi-conductive tape wrapping layer consists of an inner layer and an outer layer, wherein the inner layer is a conductive layer, and the outer layer is an insulating layer; the conductive layer is formed by coating nano conductive graphite, and the insulating layer is formed by extrusion molding of a silicon rubber insulating material; the thickness of the aramid fiber weaving layer (5) is 0.2-0.4 mm; the silica gel protective layer (3) is composed of an inner layer and an outer layer, wherein the inner layer is a fiber woven layer, and the outer layer is a silicone coating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321889804.2U CN220509724U (en) | 2023-07-18 | 2023-07-18 | Wire and cable with dampproofing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321889804.2U CN220509724U (en) | 2023-07-18 | 2023-07-18 | Wire and cable with dampproofing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220509724U true CN220509724U (en) | 2024-02-20 |
Family
ID=89882818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321889804.2U Active CN220509724U (en) | 2023-07-18 | 2023-07-18 | Wire and cable with dampproofing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220509724U (en) |
-
2023
- 2023-07-18 CN CN202321889804.2U patent/CN220509724U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A moisture-proof wire and cable Granted publication date: 20240220 Pledgee: The Bank of Guiyang branch of Limited by Share Ltd. Pingba Pledgor: Gooda wire and cable (Group) Co.,Ltd. Registration number: Y2024980029506 |