CN212967165U - Halogen-free low-smoke fireproof material cable - Google Patents
Halogen-free low-smoke fireproof material cable Download PDFInfo
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- CN212967165U CN212967165U CN202022146991.8U CN202022146991U CN212967165U CN 212967165 U CN212967165 U CN 212967165U CN 202022146991 U CN202022146991 U CN 202022146991U CN 212967165 U CN212967165 U CN 212967165U
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Abstract
The utility model discloses a there is not steamed low cigarette fire prevention material cable relates to cable technical field. The conductor is used for being electrically connected with an external power supply, the belting layer is wrapped on the outer side wall of the conductor, the first shielding layer is wrapped on the outer side wall of the belting layer, the insulating layer is wrapped on the outer side wall of the first shielding layer, the second shielding layer is wrapped on the outer side wall of the insulating layer, the buffer layer is wrapped on the outer side wall of the second shielding layer, the metal sheath is wrapped on the outer side wall of the buffer layer, and the nonmetal sheath is wrapped on the outer side wall of the metal sheath; thereby the problem of among the prior art cable insulating effect not good, lead to electric energy transport efficiency low is solved.
Description
Technical Field
The utility model relates to the technical field of cables, more specifically say, relate to a there is not steamed low cigarette fire prevention material cable.
Background
With the continuous progress of society and the rapid development of science and technology, the circuit connection among various electric devices and the signal connection among various communication devices can not be separated from cables, so that the cables are widely applied, and the development of a cable with excellent performance is particularly important due to the higher and higher requirements on the cables in subways, high-rise buildings, markets, power stations, chemical plants and other public places.
At present, the cable on the market generally only includes conductor, insulating layer, shielding layer and sheath, and the connection structure of this kind of cable is comparatively simple, causes insulating effect not very ideal, under more special bad border or the condition that the environmental change is very fast, the insulating effect of this kind of cable is more low, produces the phenomenon that vortex and conductor generate heat in heavy current and long distance transport easily, greatly reduced electric energy transport's efficiency, cause unnecessary electric energy loss.
Therefore, how to solve the problem of low electric energy transmission efficiency caused by poor insulation effect of the cable in the prior art becomes an important technical problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a there is not steamed low cigarette fire prevention material cable is not good in order to solve the insulating effect of cable among the prior art, leads to the technical problem that electric energy transport efficiency is low. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a there is not steamed low cigarette fire prevention material cable, include:
the conductor is used for being electrically connected with an external power supply;
the belting layer is wrapped on the outer side wall of the conductor;
the first shielding layer is wrapped on the outer side wall of the belting layer;
the insulating layer is wrapped on the outer side wall of the first shielding layer;
the second shielding layer is wrapped on the outer side wall of the insulating layer;
the buffer layer is wrapped on the outer side wall of the second shielding layer;
the metal sheath is wrapped on the outer side wall of the buffer layer;
the non-metal sheath is wrapped on the outer side wall of the metal sheath.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, waterproof glue is filled between the first shielding layer and the belting layer.
Furthermore, the conductor is made of copper.
Furthermore, the wrapping layer and the first shielding layer are made of polyethylene.
Furthermore, the contact parts of the first shielding layer, the belting layer and the insulating layer are covered with an insulating coating.
Furthermore, the insulating layer is made of insulating paper.
Further, the second shielding layer is a copper braid layer.
Furthermore, the buffer layer is made of butyl rubber.
Furthermore, the metal sheath is made of aluminum.
Furthermore, the non-metal sheath is made of polyvinyl chloride.
The technical scheme provided by the application comprises the following beneficial effects:
the utility model provides an among the technical scheme, there is not steamed low smoke fire prevention material cable, including the conductor, the band layer, first shielding layer, the insulating layer, the second shielding layer, the buffer layer, metal sheath and non-metal sheath, the conductor is used for being connected with external power supply electricity, the band layer parcel is on the lateral wall of conductor, first shielding layer parcel is on the lateral wall of band layer, the insulating layer parcel is on the lateral wall of first shielding layer, the second shielding layer parcel is on the lateral wall of insulating layer, the buffer layer parcel is on the lateral wall of second shielding layer, metal sheath parcel is on the lateral wall of buffer layer, non-metal sheath parcel is on metal sheath's lateral wall. According to the arrangement, through the combination of the first shielding layer, the insulating layer and the second shielding layer, the insulating property of the power cable is improved, the mechanical property of the cable is improved through the combination of the metal sheath and the non-metal sheath, the outer side wall of the conductor is wrapped with the belting layer, the conductor is firmly and tightly bonded with the first shielding layer through the belting layer, and the belting layer plays good effects of frequency density and sealing on the conductor and the first shielding layer, so that the phenomena of eddy current and conductor heating generated in large-current and long-distance transmission of the cable are effectively prevented, and unnecessary electric energy loss is avoided; thereby the problem of among the prior art cable insulating effect not good, lead to electric energy transport efficiency low is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a cross section of a halogen-free low-smoke fireproof material cable in an embodiment of the present invention.
Reference numerals:
1. a conductor; 2. a belting layer; 3. a first shielding layer; 4. an insulating layer; 5. a second shielding layer; 6. a buffer layer; 7. a metal sheath; 8. a non-metallic sheath.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The specific embodiment aims to provide a halogen-free low-smoke fireproof material cable; thereby the problem of among the prior art cable insulating effect not good, lead to electric energy transport efficiency low is solved.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 1, the embodiment provides a halogen-free low-smoke fireproof material cable, which includes a conductor 1, a belting layer 2, a first shielding layer 3, an insulating layer 4, a second shielding layer 5, a buffer layer 6, a metal sheath 7 and a non-metal sheath 8, where the conductor 1 is used for being electrically connected to an external power supply, the belting layer 2 is wrapped on an outer side wall of the conductor 1, the first shielding layer 3 is wrapped on an outer side wall of the belting layer 2, the insulating layer 4 is wrapped on an outer side wall of the first shielding layer 3, the second shielding layer 5 is wrapped on an outer side wall of the insulating layer 4, the buffer layer 6 is wrapped on an outer side wall of the second shielding layer 5, the metal sheath 7 is wrapped on an outer side wall of the buffer layer 6, and the non-metal.
According to the arrangement, through the combination of the first shielding layer 3, the insulating layer 4 and the second shielding layer 5, the insulating property of the power cable is improved, the mechanical property of the cable is improved through the combination of the metal sheath 7 and the nonmetal sheath 8, the load bearing capacity of the cable is enhanced, the outer side wall of the conductor 1 is wrapped with the wrapping layer 2, the conductor 1 is firmly and tightly bonded with the first shielding layer 3 through the wrapping layer 2, the wrapping layer 2 plays a good role in frequency density and sealing on the conductor 1 and the first shielding layer 3, the phenomena of eddy current and conductor heating generated in large-current and long-distance transmission of the cable are effectively prevented, and unnecessary electric energy loss is avoided; thereby the problem of among the prior art cable insulating effect not good, lead to electric energy transport efficiency low is solved.
As an alternative embodiment, a waterproof glue is filled between the first shielding layer 3 and the belting layer 2. So set up, because the waterproof glue has the excellent effect of anticorrosion, anti-aging, anticreep and insulating.
As an alternative embodiment, the material of the conductor 1 may be set according to a specific use environment, and in the present embodiment, the material of the conductor 1 is preferably copper. Due to the arrangement, the copper has excellent conductivity because of the resistivity of the copper, and the price of the copper is cheaper than that of gold and silver, so that the production and manufacturing cost of the cable is effectively reduced.
As an alternative embodiment, the materials of the wrapping layer 2 and the first shielding layer 3 may be set according to a specific use environment, and the materials of the wrapping layer 2 and the first shielding layer 3 are preferably polyethylene in this embodiment. With the arrangement, the polyethylene has the advantages of good chemical stability, cold resistance, radiation resistance and good electrical insulation.
As an alternative embodiment, the contact portions of the first shielding layer 3, the belting layer 2 and the insulating layer 4 are covered with an insulating coating, and in this embodiment, the insulating coating is preferably a high-temperature-resistant insulating coating. So set up, high temperature insulation coating is inorganic high temperature material, and this coating can be high temperature resistant, also has fine insulating nature simultaneously.
As an alternative embodiment, the material of the insulating layer 4 may be set according to a specific use environment, and in this embodiment, the material of the insulating layer 4 is preferably insulating paper.
As an alternative embodiment, the second shielding layer 5 is a copper braid.
As an alternative embodiment, the material of the cushion layer 6 may be set according to a specific use environment, and in this embodiment, the material of the cushion layer 6 is preferably butyl rubber. So set up, because butyl rubber has heat-resisting, ageing-resistant, resistant ozone, resistant chemical's characteristic, and butyl rubber has electrical insulation performance and good shock-absorbing performance.
As an alternative embodiment, the material of the metal sheath 7 may be set according to a specific use environment, and in this embodiment, the material of the metal sheath 7 is preferably aluminum. So set up, because the quality of aluminium is light and soft, intensity is good, difficult corruption.
As an alternative embodiment, the material of the non-metal sheath 8 may be set according to a specific use environment, and in this embodiment, the material of the non-metal sheath 8 is preferably polyvinyl chloride. This is because polyvinyl chloride is excellent in toughness, ductility, corrosion resistance and heat resistance, and is durable.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A halogen-free low smoke fireproof material cable is characterized by comprising:
the conductor (1), the said conductor (1) is used for connecting electrically with external power;
the belting layer (2), the belting layer (2) wraps the outer side wall of the conductor (1);
the first shielding layer (3), the first shielding layer (3) is wrapped on the outer side wall of the belting layer (2);
the insulating layer (4), the said insulating layer (4) wraps up on the lateral wall of the said first shielding layer (3);
the second shielding layer (5), the second shielding layer (5) wraps the outer side wall of the insulating layer (4);
the buffer layer (6) wraps the outer side wall of the second shielding layer (5);
the metal sheath (7) wraps the outer side wall of the buffer layer (6);
the non-metal sheath (8) wraps the outer side wall of the metal sheath (7).
2. The halogen-free low-smoke fireproof material cable according to claim 1, wherein a waterproof glue is filled between the first shielding layer (3) and the wrapping tape layer (2).
3. The halogen-free low-smoke fireproof material cable according to claim 1, wherein the conductor (1) is made of copper.
4. The halogen-free low-smoke fireproof material cable according to claim 1, wherein the wrapping layer (2) and the first shielding layer (3) are made of polyethylene.
5. The halogen-free low-smoke fireproof material cable according to claim 1, wherein the contact part of the first shielding layer (3) with the wrapping tape layer (2) and the insulating layer (4) is covered with an insulating coating.
6. The halogen-free low-smoke fireproof material cable according to claim 1, wherein the insulating layer (4) is made of insulating paper.
7. Halogen free low smoke fire protection material cable according to claim 1, characterized in that said second shielding layer (5) is a copper braid.
8. The halogen-free low-smoke fireproof material cable according to claim 1, wherein the buffer layer (6) is made of butyl rubber.
9. The halogen-free low-smoke fireproof material cable according to claim 1, wherein the metal sheath (7) is made of aluminum.
10. The halogen-free low-smoke fireproof material cable according to claim 1, wherein the non-metallic sheath (8) is made of polyvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022146991.8U CN212967165U (en) | 2020-09-25 | 2020-09-25 | Halogen-free low-smoke fireproof material cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022146991.8U CN212967165U (en) | 2020-09-25 | 2020-09-25 | Halogen-free low-smoke fireproof material cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212967165U true CN212967165U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022146991.8U Active CN212967165U (en) | 2020-09-25 | 2020-09-25 | Halogen-free low-smoke fireproof material cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212967165U (en) |
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2020
- 2020-09-25 CN CN202022146991.8U patent/CN212967165U/en active Active
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