CN221079688U - RVV multi-core cable with good insulation shielding effect - Google Patents
RVV multi-core cable with good insulation shielding effect Download PDFInfo
- Publication number
- CN221079688U CN221079688U CN202322448621.3U CN202322448621U CN221079688U CN 221079688 U CN221079688 U CN 221079688U CN 202322448621 U CN202322448621 U CN 202322448621U CN 221079688 U CN221079688 U CN 221079688U
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- Prior art keywords
- layer
- wall
- fixedly connected
- explosion
- rvv
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- 230000000694 effects Effects 0.000 title claims abstract description 20
- 238000009413 insulation Methods 0.000 title claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- 239000011888 foil Substances 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 9
- 229920001084 poly(chloroprene) Polymers 0.000 claims abstract description 8
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 8
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000004945 silicone rubber Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 7
- 238000004880 explosion Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 229920004933 Terylene® Polymers 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 63
- 239000005030 aluminium foil Substances 0.000 description 6
- 238000009941 weaving Methods 0.000 description 6
- 229920000260 silastic Polymers 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229920004934 Dacron® Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000010985 leather Substances 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 relates to the technical field of power cables and discloses an RVV multi-core cable with good insulation and shielding effects, which comprises an explosion-proof layer, wherein a woven fiber layer is fixedly connected to the outer wall of the explosion-proof layer, an aluminum foil shielding layer is fixedly connected to the outer wall of the woven fiber layer, a sheath is fixedly connected to the outer wall of the aluminum foil shielding layer, a silicone rubber layer is fixedly connected to the outer wall of the sheath, a chloroprene rubber layer is fixedly connected to the outer wall of the silicone rubber layer, a plurality of insulation layers are uniformly and fixedly connected to the inner wall of the explosion-proof layer, copper conductors are fixedly connected to the inner wall of the insulation layers, the insulation layers are made of polyvinyl chloride, and the sheath is made of polyvinyl chloride. According to the utility model, the aluminum foil shielding layer is light in weight and has good conductivity and shielding effect, electromagnetic interference and radiation can be reduced, and the explosion-proof layer enables the multi-core cable to have higher heat resistance, flame retardance and compression resistance.
Description
Technical Field
The utility model relates to the technical field of power cables, in particular to an RVV multi-core cable with good insulation shielding effect.
Background
RVV multi-core cable refers to a cable composed of a plurality of wires, typically used for power or signal transmission, RVV stands for "flexible cable", meaning that the cable has better flexibility and bendability, and the number of wires in the multi-core cable can be customized according to actual needs, typically 2-core, 3-core, 4-core, 5-core, etc., and such cable is commonly used in various electrical devices and household appliances, such as lighting devices, power lines, telephone lines, etc.
At present, since each guide core in the RVV multi-core cable is provided with an insulating wrapping layer, the outer surface layer is usually provided with only one layer of insulating soft skin layer, but the shielding effect is influenced, when the shielding effect is close to the magnetic field of other electrical equipment, the multi-core cable can be disturbed, so that the normal use of the equipment is influenced, the single surface layer is weaker in protection, the external damage is easy to occur during actual use, and particularly in summer, if the current in the cable is overlarge, the leather sheath is overheated and the fire is easy to occur.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides an RVV multi-core cable with good insulation shielding effect.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an RVV multicore cable that insulating and shielding is effectual, includes the explosion-proof layer, the outer wall fixedly connected with weaving fibrous layer of explosion-proof layer, the outer wall fixedly connected with aluminium foil shielding layer of weaving fibrous layer, the outer wall fixedly connected with sheath of aluminium foil shielding layer, the outer wall fixedly connected with silastic-layer of sheath, the outer wall fixedly connected with chloroprene rubber layer of silastic-layer.
As a further description of the above technical solution:
the inner wall of the explosion-proof layer is uniformly and fixedly connected with a plurality of insulating layers.
As a further description of the above technical solution:
The inner wall of the insulating layer is fixedly connected with a copper conductor.
As a further description of the above technical solution:
the material of insulating layer is polyvinyl chloride, the material of sheath is polyvinyl chloride.
As a further description of the above technical solution:
The material of the woven fiber layer is cotton yarn or terylene.
The utility model has the following beneficial effects:
1. According to the utility model, the aluminum foil shielding layer is additionally arranged on the inner wall of the sheath, the aluminum foil is generally in a net-shaped structure, the aluminum foil is light in weight and has good conductivity and shielding effect, electromagnetic interference and radiation can be reduced, the woven fiber layer is arranged on the inner wall of the aluminum foil shielding layer, so that the mechanical strength and flexibility of the cable are improved, the bending resistance performance is improved, the silicon rubber layer is additionally arranged on the outer wall of the sheath, so that the cable has good heat resistance and flexibility, the heat insulation performance and the service life of the cable are improved, the influence of external high temperature on the inside of the cable is reduced, the chloroprene rubber layer is additionally arranged on the outer wall of the silicon rubber layer, the cable can be effectively antifouling and wear-resistant, and the cable is protected from mechanical damage and chemical corrosion.
2. According to the utility model, the explosion-proof layer is uniformly wrapped on the outer wall of the insulating layer, so that the multi-core cable has higher heat resistance, flame retardance and compression resistance, wire explosion caused by overlong service time or overlarge current in the copper conductor is avoided, and the safety of the cable can be effectively improved.
Drawings
Figure 1 is a front perspective view of an RVV multi-core cable with good insulation shielding effect according to the present utility model;
Fig. 2 is a schematic diagram of an aluminum foil shielding layer structure of an RVV multi-core cable with good insulation shielding effect;
fig. 3 is a schematic diagram of a flexible heat insulation layer of an RVV multi-core cable with good insulation shielding effect.
Legend description:
1. A neoprene layer; 2. an explosion-proof layer; 3. a copper conductor; 4. a silicone rubber layer; 5. a sheath; 6. an aluminum foil shielding layer; 7. braiding a fiber layer; 8. an insulating layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. 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.
Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides an RVV multicore cable that insulating and shielding effect is good, including explosion-proof layer 2, the outer wall fixedly connected with weaving fibrous layer 7 of explosion-proof layer 2, weaving fibrous layer 7's outer wall fixedly connected with aluminium foil shielding layer 6, aluminium foil shielding layer 6's outer wall fixedly connected with sheath 5, sheath 5's outer wall fixedly connected with silastic layer 4, silastic layer 4's outer wall fixedly connected with chloroprene rubber layer 1, add at sheath 5's inner wall and establish aluminium foil shielding layer 6, aluminium foil is network structure generally, light in weight and have good conductivity and shielding effect, electromagnetic interference and radiation can be reduced, and add at sheath 5's outer wall and establish silastic layer 4, make the cable have good heat resistance and pliability, in order to improve the thermal insulation performance and the life of cable, external high temperature has reduced the influence to the cable inside, and add chloroprene rubber layer 1 at silastic layer 4's outer wall, can effectively prevent dirt abrasion, protect the cable from mechanical damage and chemical corrosion, through multilayer protection, promote RVV multicore cable's top layer's performance.
Further explaining, the even fixedly connected with a plurality of insulating layers 8 of inner wall of explosion-proof layer 2, the equal fixedly connected with copper conductor 3 of inner wall of insulating layer 8, the material of insulating layer 8 is polyvinyl chloride, the material of sheath 5 is polyvinyl chloride, through evenly wrap up explosion-proof layer 2 at the outer wall of insulating layer 8, make the multicore cable have higher heat-resisting, fire-retardant and compressive property, avoid causing the explosion line at the overlength of time or the too big current in copper conductor 3, can effectively promote the security of cable, the material of weaving fibrous layer 7 is cotton yarn or dacron, weaving fibrous layer 7 can improve the mechanical strength and the pliability of cable, promote the bending resistance performance.
Working principle: firstly, the outer wall of the sheath 5 is additionally provided with the silicon rubber layer 4, so that the cable has good heat resistance and flexibility, the heat insulation performance and the service life of the cable are improved, the influence of external high temperature on the inside of the cable is reduced, and the outer wall of the silicon rubber layer 4 is additionally provided with the chloroprene rubber layer 1, so that the cable can be effectively antifouling and wear-resistant, and protected from mechanical damage and chemical corrosion, secondly, the inner wall of the sheath 5 is additionally provided with the aluminum foil shielding layer 6, the aluminum foil is generally in a net-shaped structure, light in weight and good in conductivity and shielding effect, electromagnetic interference and radiation can be reduced, the inner wall of the aluminum foil shielding layer 6 is provided with the woven fiber layer 7, so that the mechanical strength and flexibility of the cable are improved, the bending resistance performance is improved, and in addition, the outer wall of the insulating layer 8 is uniformly wrapped with the explosion-proof layer 2, so that the multicore cable has higher heat resistance, flame retardance and compression resistance performance, and the safety of the cable can be effectively improved.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. RVV multicore cable that insulating shielding effect is good, including explosion-proof layer (2), its characterized in that: the anti-explosion device is characterized in that a woven fiber layer (7) is fixedly connected to the outer wall of the anti-explosion layer (2), an aluminum foil shielding layer (6) is fixedly connected to the outer wall of the woven fiber layer (7), a sheath (5) is fixedly connected to the outer wall of the aluminum foil shielding layer (6), a silicone rubber layer (4) is fixedly connected to the outer wall of the sheath (5), and a chloroprene rubber layer (1) is fixedly connected to the outer wall of the silicone rubber layer (4).
2. An RVV multi-core cable with good insulation shielding effect according to claim 1, characterized in that: the inner wall of the explosion-proof layer (2) is uniformly and fixedly connected with a plurality of insulating layers (8).
3. An RVV multi-core cable with good insulation shielding effect according to claim 2, characterized in that: the inner walls of the insulating layers (8) are fixedly connected with copper conductors (3).
4. An RVV multi-core cable with good insulation shielding effect according to claim 2, characterized in that: the insulating layer (8) is made of polyvinyl chloride, and the sheath (5) is made of polyvinyl chloride.
5. An RVV multi-core cable with good insulation shielding effect according to claim 1, characterized in that: the material of the woven fiber layer (7) is cotton yarn or terylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322448621.3U CN221079688U (en) | 2023-09-11 | 2023-09-11 | RVV multi-core cable with good insulation shielding effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322448621.3U CN221079688U (en) | 2023-09-11 | 2023-09-11 | RVV multi-core cable with good insulation shielding effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221079688U true CN221079688U (en) | 2024-06-04 |
Family
ID=91249181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322448621.3U Active CN221079688U (en) | 2023-09-11 | 2023-09-11 | RVV multi-core cable with good insulation shielding effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221079688U (en) |
-
2023
- 2023-09-11 CN CN202322448621.3U patent/CN221079688U/en active Active
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