CN219811365U - Multicore non-armoured power cable - Google Patents
Multicore non-armoured power cable Download PDFInfo
- Publication number
- CN219811365U CN219811365U CN202321273088.5U CN202321273088U CN219811365U CN 219811365 U CN219811365 U CN 219811365U CN 202321273088 U CN202321273088 U CN 202321273088U CN 219811365 U CN219811365 U CN 219811365U
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- Prior art keywords
- layer
- power cable
- periphery
- sheath
- cable
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 238000009954 braiding Methods 0.000 claims abstract description 14
- 239000004642 Polyimide Substances 0.000 claims description 11
- 229920001721 polyimide Polymers 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 7
- 238000009941 weaving Methods 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000003063 flame retardant Substances 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- -1 polypropylene Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 238000003878 thermal aging Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- 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 utility model belongs to the technical field of non-armored cables, and particularly relates to a multi-core non-armored power cable, which comprises: the shielding device comprises a braiding layer and a plurality of insulating layers, wherein the insulating layers are arranged in the braiding layer and are closely adhered to the braiding layer, a plurality of wire cores are arranged in the insulating layers and are closely adhered to the insulating layers, a metal shielding layer is sleeved on the periphery of the braiding layer, a heat insulating layer is sleeved on the periphery of the metal shielding layer, a high-temperature resistant layer is fixedly connected to the periphery of the heat insulating layer, a sheath is fixedly connected to the periphery of the high-temperature resistant layer, and a sheath coating is fixedly connected to the periphery of the sheath. The utility model solves the problems that when the non-armored power cable works in a high-temperature environment for a long time, the non-armored power cable is easily affected by high temperature, so that the fault rate is higher, and solves the problems that when the non-armored power cable is used in a place close to a radio or television device, the non-armored power cable is easily affected by electromagnetic interference or other external interference, and is unfavorable for use.
Description
Technical Field
The utility model belongs to the technical field of non-armored cables, and particularly relates to a multi-core non-armored power cable.
Background
The multi-core non-armoured power cable is a cable wrapped by a plurality of wire cores and insulating materials, and is suitable for transmitting power or signals under normal working conditions without protection. They are commonly used for low and medium voltage applications, including power and signal transmission in buildings, factories, and machinery.
For example, chinese patent publication No. CN205564322U discloses a small-section multicore non-armoured cable, which comprises a plurality of insulated wire cores, a filling layer and an outer sheath, wherein each insulated wire core comprises a cable core and an insulating layer coated on the outer side of the cable core, the outer sheath is coated on the outer side of the plurality of insulated wire cores, the filling layer is filled between the plurality of insulated wire cores and the outer sheath, and the outer sheath is directly contacted with the filling layer and the insulated wire cores. The utility model has the advantages that the cable structure is not formed, the cable forming process required by the small-section multi-core non-armoured cable is omitted, the outer sheath is directly extruded, the product structure is simplified, and the production efficiency is improved.
The above patent has the following problems:
this patent suffers from several drawbacks in use, such as: when the unshielded power cable works in a high-temperature environment for a long time, the unshielded power cable is easily affected by the high temperature, so that the fault rate is high, the use is not facilitated, and when the unshielded power cable is used in a place close to a radio or television device, the unshielded power cable is easily affected by electromagnetic interference or other external interference, and the use is not facilitated, so that the multicore unshielded power cable is provided.
Disclosure of Invention
The utility model aims to solve the technical problems that the multi-core non-armored power cable is easy to be affected by high temperature when the non-armored power cable works in a high-temperature environment for a long time, so that the problem of high failure rate is caused, and the problem that the non-armored power cable is easy to be affected by electromagnetic interference or other external interference when being used in a place close to radio or television equipment is solved.
In view of this, the present utility model provides a multicore non-armored power cable comprising:
the shielding device comprises a braiding layer and a plurality of insulating layers, wherein the insulating layers are arranged in the braiding layer and are closely adhered to the braiding layer, a plurality of wire cores are arranged in the insulating layers and are closely adhered to the insulating layers, a metal shielding layer is sleeved on the periphery of the braiding layer, a heat insulating layer is sleeved on the periphery of the metal shielding layer, a high-temperature resistant layer is fixedly connected to the periphery of the heat insulating layer, a sheath is fixedly connected to the periphery of the high-temperature resistant layer, and a sheath coating is fixedly connected to the periphery of the sheath.
Based on the above-mentioned structure, through the insulating layer that sets up, can effectually keep apart the electric power that the sinle silk during operation produced, and the produced high temperature of electric power, through the insulating layer that sets up, can isolate the external high temperature that produces, ensure that inside can not receive the influence of external high temperature, through the high temperature resistant layer that sets up, can increase the high temperature resistance of cable, prevent that high temperature from damaging inside, through the sheath that sets up, can prevent that the cable from being lighted by external high temperature, the while has further increased the high temperature resistance of cable, through the weaving layer that sets up, can prevent that the high temperature that the sinle silk produced from causing the influence to the metal shielding layer, simultaneously effectual protection sinle silk can not receive external impact, and increased deformability and the mechanical protection performance of cable, through the metal shielding layer that sets up, can improve the interference killing feature of cable, and effectively shielded electromagnetic wave, through the sheath coating that sets up, can reduce the interference of external electromagnetic wave, and increased corrosion resistance and abrasion resistance on cable surface, can prolong the life of cable.
Preferably, the insulating layer is made of crosslinked polypropylene.
Further, the crosslinked polypropylene has good high temperature resistance and thermal aging resistance, and has high tensile strength, elastic modulus, elongation at break and other mechanical properties.
Preferably, the braiding layer is made of polyimide fiber.
Further, the imide fiber is a high-strength synthetic fiber having excellent mechanical properties and high heat resistance, and is capable of withstanding high mechanical strength and high temperature, while the polyimide fiber can provide excellent impact resistance, deformation resistance and mechanical protection.
Preferably, the metal shielding layer is made of aluminum foil.
Further, the aluminum foil can improve the anti-interference capability of the cable and has the effect of shielding electromagnetic waves.
Preferably, the heat insulation layer is an acrylic film.
Further, the acrylic film has thermal stability and flame retardancy, can stably work in a high-temperature environment, and has good barrier property and chemical resistance.
Preferably, the high temperature resistant layer is made of polyimide.
Further, polyimide has very excellent heat resistance, can stably operate in a high temperature environment above a temperature, has very little dimensional change, rarely generates expansion deformation, and has excellent compression resistance and strength.
Preferably, the sheath is an aluminum silicate flame retardant material.
Furthermore, the aluminum silicate material has the characteristics of fire resistance, good flame retardant property, high temperature resistance, thermal expansion resistance, electrical insulation property and the like.
Preferably, the sheath coating is a silver coating material.
Further, the silver coating can effectively shield external electromagnetic waves, has excellent corrosion resistance and abrasion resistance, and can prolong the service life of the cable.
The beneficial effects of the utility model are as follows:
1. this non-armoured power cable of multicore through the insulating layer that sets up, the electric power that can effectually keep apart sinle silk during operation and the produced high temperature of electric power, through the insulating layer that sets up, can isolate the external high temperature that produces, ensure that inside can not receive external high temperature's influence, high temperature resistant layer through setting up can increase the high temperature resistance of cable, prevent that high temperature from damaging inside, through the sheath of setting, can prevent that the cable from being lighted by external high temperature, the high temperature resistance of cable has further been increased simultaneously, the time of having solved non-armoured power cable work under the environment at high temperature for a long time receives the influence of high temperature easily, thereby lead to the higher problem of fault rate.
2. This non-armoured power cable of multicore, through the weaving layer that sets up, can prevent that the high temperature that the sinle silk produced from causing the influence to the metal shield layer, simultaneously effectual protection sinle silk can not receive external impact, and increased deformability and the mechanical protection performance of cable, through the metal shield layer that sets up, can improve the interference killing feature of cable, and effectively shielded electromagnetic wave, through the sheath coating that sets up, can reduce the interference of external electromagnetic wave, and the corrosion resistance and the wearability of cable surface have been increased, can prolong the life of cable, the problem that the non-armoured power cable received electromagnetic interference or other external interference easily when being close to the local use of radio or television equipment has been solved, unfavorable for use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic top view of the whole structure of the present utility model.
The label in the figure is:
1. a wire core; 2. an insulating layer; 3. a braiding layer; 4. a metal shielding layer; 5. a thermal insulation layer; 6. a high temperature resistant layer; 7. a sheath; 8. and (5) sheath coating.
Description of the embodiments
The utility model is described in further detail below with reference to fig. 1-2.
In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
The embodiment of the utility model discloses a multi-core non-armored power cable, which comprises: the weaving layer 3 and a plurality of insulating layers 2, a plurality of insulating layers 2 set up in the weaving layer 3 and closely paste mutually with the weaving layer 3, all be provided with sinle silk 1 in a plurality of insulating layers 2, and sinle silk 1 closely pastes mutually with insulating layer 2, the week side cover of weaving layer 3 is equipped with metal shielding layer 4, the week side cover of metal shielding layer 4 is equipped with insulating layer 5, the week side fixedly connected with high temperature resistant layer 6 of insulating layer 5, the week side fixedly connected with sheath 7 of high temperature resistant layer 6, the week side fixedly connected with sheath coating 8 of sheath 7.
In one embodiment, the insulating layer 2 is made of crosslinked polypropylene.
In the embodiment, the crosslinked polypropylene has good high temperature resistance and thermal aging resistance, and has high tensile strength, elastic modulus, elongation at break and other mechanical properties.
In one embodiment, the braid 3 is polyimide fiber.
In this example, the polyimide fiber is a high strength synthetic fiber having excellent mechanical properties and high heat resistance, and is capable of withstanding high mechanical strength and high temperature, while the polyimide fiber can provide excellent impact resistance, deformation resistance and mechanical protection.
In one embodiment, the metal shielding layer 4 is made of aluminum foil.
In this embodiment, the aluminum foil can improve the anti-interference capability of the cable, and has the effect of shielding electromagnetic waves.
In one embodiment, the insulating layer 5 is an acrylic film.
In the embodiment, the acrylic film has thermal stability and flame retardance, can stably work in a high-temperature environment, and has good barrier property and chemical resistance.
In one embodiment, the refractory layer 6 is polyimide.
In the embodiment, the polyimide has very excellent temperature resistance, can stably work in a high-temperature environment of more than 300 ℃, has very small dimensional change, rarely generates expansion deformation, and has excellent compression resistance and strength.
In one embodiment, the sheath 7 is an aluminum silicate flame retardant material.
In the embodiment, the aluminum silicate material has the characteristics of fire resistance, good flame retardant property, high temperature resistance, thermal expansion resistance, electrical insulation property and the like.
In one embodiment, the jacket coating 8 is a silver coating material.
In the embodiment, the silver coating can effectively shield external electromagnetic waves, has excellent corrosion resistance and wear resistance, and can prolong the service life of the cable.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. A multi-core non-armored power cable comprising:
the novel high-temperature-resistant cable comprises a braiding layer (3) and a plurality of insulating layers (2), wherein the insulating layers (2) are arranged in the braiding layer (3) and are tightly adhered to the braiding layer (3), a plurality of cable cores (1) are arranged in the insulating layers (2), the cable cores (1) are tightly adhered to the insulating layers (2), a metal shielding layer (4) is sleeved on the periphery of the braiding layer (3), a heat insulating layer (5) is sleeved on the periphery of the metal shielding layer (4), a high-temperature-resistant layer (6) is fixedly connected to the periphery of the heat insulating layer (5), a sheath (7) is fixedly connected to the periphery of the high-temperature-resistant layer (6), and a sheath coating (8) is fixedly connected to the periphery of the sheath (7).
2. The multi-core non-armored power cable of claim 1, wherein: the insulating layer (2) is made of crosslinked polypropylene.
3. The multi-core non-armored power cable of claim 1, wherein: the weaving layer (3) is made of polyimide fiber.
4. The multi-core non-armored power cable of claim 1, wherein: the metal shielding layer (4) is made of aluminum foil.
5. The multi-core non-armored power cable of claim 1, wherein: the heat insulation layer (5) is an acrylic film.
6. The multi-core non-armored power cable of claim 1, wherein: the high-temperature resistant layer (6) is made of polyimide.
7. The multi-core non-armored power cable of claim 1, wherein: the sheath (7) is made of aluminum silicate flame-retardant material.
8. The multi-core non-armored power cable of claim 1, wherein: the sheath coating (8) is made of silver coating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321273088.5U CN219811365U (en) | 2023-05-24 | 2023-05-24 | Multicore non-armoured power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321273088.5U CN219811365U (en) | 2023-05-24 | 2023-05-24 | Multicore non-armoured power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219811365U true CN219811365U (en) | 2023-10-10 |
Family
ID=88216497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321273088.5U Active CN219811365U (en) | 2023-05-24 | 2023-05-24 | Multicore non-armoured power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219811365U (en) |
-
2023
- 2023-05-24 CN CN202321273088.5U patent/CN219811365U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |