CN210984364U - Outdoor cable with high flame retardant property - Google Patents
Outdoor cable with high flame retardant property Download PDFInfo
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- CN210984364U CN210984364U CN201922406913.4U CN201922406913U CN210984364U CN 210984364 U CN210984364 U CN 210984364U CN 201922406913 U CN201922406913 U CN 201922406913U CN 210984364 U CN210984364 U CN 210984364U
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Abstract
The utility model provides an outdoor cable of high flame retardant property, including fire-retardant oversheath, fill the chamber, the wire net, fire-retardant foam, fire-retardant inner sheath, separate the oxygen layer, the insulating layer, support bar and asbestos gauge, copper conductor surface coating has the insulating layer, the insulating layer surface bonds and has a separate oxygen layer, it has fire-retardant inner sheath to separate oxygen layer annular side parcel, fire-retardant inner sheath outside parcel has fire-retardant foam, fire-retardant foam surface coating has the asbestos gauge, asbestos gauge surface bonds and has the wire net, the wire net outside is provided with fills the chamber, it has the support bar to fill intracavity portion internally mounted, fire-retardant oversheath is installed in the support bar outside, original outdoor cable has been solved in this design in the problem that high flame retardant property is not good enough, the utility model discloses rational in infrastructure, make things convenient for the cable outdoor.
Description
Technical Field
The utility model relates to an outdoor cable of high flame retardant property belongs to cable technical field for the distribution.
Background
Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal energization and external insulation. The cable includes power cable, control cable, compensation cable, etc., which are composed of single or multi-strand wires and an insulating layer for connecting electric circuits, electric appliances, etc. In the field of power distribution and power utilization, outdoor cables are widely used.
The existing outdoor cable is poor in high flame retardant property, the cable is used outdoors, due to outdoor complex factors, if the cable is lack of strong flame retardant property, the cable is easy to generate heat, further spontaneous combustion is caused, and damage of electric power facilities is caused.
Disclosure of Invention
Not enough to prior art exists, the utility model aims at providing an outdoor cable of high flame retardant property to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure makes things convenient for the outdoor use of cable, and flame retardant property is strong.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an outdoor cable of high flame retardant property, includes cable main part, copper conductor and fire-retardant subassembly, the copper conductor is installed to the inside intermediate position of cable main part, fire-retardant subassembly sets up inside cable main part, fire-retardant subassembly includes fire-retardant oversheath, fills chamber, wire net, fire-retardant foam, fire-retardant inner sheath, separates oxygen layer, insulating layer, support bar and asbestos gauge, copper conductor outer surface parcel has the insulating layer, the insulating layer surface bonds and has a separation oxygen layer, it has fire-retardant inner sheath to separate oxygen layer annular side parcel, fire-retardant inner sheath outside parcel has fire-retardant foam, fire-retardant foam outer surface parcel has the asbestos gauge, asbestos gauge surface bonds and has the wire net, the wire net outside is provided with fills the chamber, it installs the support bar to fill intracavity portion, fire-retardant oversheath is installed in the support bar outside.
Furthermore, the filling cavity is internally filled with calcium oxide filling materials.
Further, the insulating layer is filled with silane crosslinked polyethylene.
Further, aluminum hydroxide and magnesium hydroxide are filled in the oxygen barrier layer.
Further, the steel wire mesh is a stainless steel fireproof belt.
Further, all pack strong glue between wire net and the asbestos gauge, between insulating layer and the oxygen layer that separates, fire-retardant inner sheath and separate between the oxygen layer and fire-retardant oversheath and fill the chamber, the wire net bonds with the asbestos gauge through strong glue, the insulating layer bonds with separating the oxygen layer through strong glue, fire-retardant inner sheath bonds with separating the oxygen layer through strong glue, fire-retardant oversheath bonds with filling the chamber through strong glue.
The utility model has the advantages that: the utility model discloses an outdoor cable of high flame retardant ability, because of the utility model discloses added fire-retardant oversheath, filled chamber, wire net, fire-retardant foam, fire-retardant inner sheath, separated oxygen layer, insulating layer, support bar and asbestos gauge, this design greatly increased outdoor cable's flame retardant ability, solved original outdoor cable not good enough problem on high flame retardant ability, improved the utility model discloses a flame retardant ability.
Because of filling the intracavity portion and filling with the calcium oxide filler, the calcium oxide has stronger fire behaviour, because of the inside silane crosslinked polyethylene that is filled in of insulating layer, silane crosslinked polyethylene flame retardant efficiency is good, because of separating inside aluminium hydroxide and the magnesium hydrate of filling in oxygen layer, can effectually separate the oxygen, because of the steel wire net is the stainless steel fire prevention area, not only can be fire-retardant, suffers maliciously when can also avoiding the outdoor use of cable to cut, the utility model discloses rational in infrastructure makes things convenient for the outdoor use of cable, and fire behaviour is strong.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of an outdoor cable with high flame retardant property according to the present invention;
fig. 2 is a schematic structural view of a flame retardant assembly in an outdoor cable with high flame retardant performance according to the present invention;
fig. 3 is a right side view of a flame retardant assembly in an outdoor cable with high flame retardant property according to the present invention;
in the figure: 1-cable body, 2-copper conductor, 3-flame retardant component, 31-flame retardant outer sheath, 32-filling cavity, 33-steel wire mesh, 34-flame retardant foam, 35-flame retardant inner sheath, 36-oxygen barrier layer, 37-insulating layer, 38-supporting strip and 39-asbestos mesh.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an outdoor cable of high fire behaviour, includes cable main part 1, copper conductor 2 and fire-retardant subassembly 3, and copper conductor 2 is installed to 1 inside intermediate position of cable main part, and fire-retardant subassembly 3 sets up inside cable main part 1.
Fire-retardant subassembly 3 includes fire-retardant oversheath 31, fill the chamber 32, wire net 33, fire-retardant foam 34, fire-retardant inner sheath 35, separate oxygen layer 36, insulating layer 37, support bar 38 and asbestos gauge 39, 2 outer surface parcels of copper conductor have insulating layer 37, insulating layer 37 outer surface bonds and has separated oxygen layer 36, it has fire-retardant inner sheath 35 to separate 36 annular side parcels of oxygen layer, fire-retardant inner sheath 35 outside parcel has fire- retardant foam 34, 34 outer surface parcels of fire-retardant foam have asbestos gauge 39, 39 outer surfaces bonds of asbestos gauge have wire net 33, the wire net 33 outside is provided with fills chamber 32, it has oversheath support bar 38 to fill chamber 32 internally mounted, fire-retardant 31 is installed in the support bar 38 outside, the not good enough problem on high fire-retardant property of original outdoor cable has been solved to this design.
Calcium oxide filler is filled in the filling cavity 32, calcium oxide has strong flame retardant property, silane crosslinked polyethylene is filled in the insulating layer 37, the silane crosslinked polyethylene has good flame retardant effect, aluminum hydroxide and magnesium hydroxide are filled in the oxygen-isolating layer 36, oxygen can be effectively isolated, the steel wire mesh 33 is a stainless steel fireproof belt, flame retardance can be realized, and the cable can be prevented from being maliciously cut off when the cable is used outdoors, strong glue is filled between the steel wire mesh 33 and the asbestos mesh 39, between the insulating layer 37 and the oxygen-isolating layer 36, between the flame-retardant inner sheath 35 and the oxygen-isolating layer 36 and between the flame-retardant outer sheath 31 and the filling cavity 32, the steel wire mesh 33 is bonded with the asbestos mesh 39 through strong glue, the insulating layer 37 is bonded with the oxygen-isolating layer 36 through strong glue, the flame-retardant inner sheath 35 is bonded with the oxygen-isolating layer 36 through strong glue, the flame-retardant outer sheath 31 is bonded with the filling cavity 32 through strong glue, increasing the integrity of the cable body 1.
As an embodiment of the present invention: the insulating layer 37, the oxygen-isolating layer 36 and the flame-retardant inner sheath 35 are sequentially adhered to the outer surface of the copper conductor 2 from inside to outside, silane crosslinked polyethylene is filled in the insulating layer 37, can effectively resist flame, aluminum hydroxide and magnesium hydroxide are filled in the oxygen isolation layer 36 to effectively isolate oxygen, the insulating layer 37, the oxygen isolation layer 36 and the flame-retardant inner sheath 35 are added to avoid the damage of the copper conductors 2, the four groups of copper conductors 2 are filled with flame-retardant foam 34, the flame-retardant foam 34 is sequentially adhered with an asbestos mesh 39, a steel wire mesh 33, a filling cavity 32 and a flame-retardant outer sheath 31 from inside to outside, the steel wire mesh 33 is made of stainless steel, not only can resist flame for the cable main body 1, but also can avoid the cable main body 1 from being maliciously cut when being used outdoors, a plurality of supporting strips 38 are arranged in the filling cavity 32, and calcium oxide filler is filled, the calcium oxide has strong flame retardant property, and the filling cavity 32 can also effectively resist flame.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an outdoor cable of high flame retardant property, includes cable body, copper conductor and fire-retardant subassembly, its characterized in that: a copper conductor is arranged in the middle of the interior of the cable main body, and the flame-retardant component is arranged in the cable main body;
fire-retardant subassembly includes fire-retardant oversheath, fills chamber, wire net, fire-retardant foam, fire-retardant inner sheath, separates oxygen layer, insulating layer, support bar and asbestos gauge, copper conductor surface parcel has the insulating layer, the insulating layer surface bonds and has a separation oxygen layer, it has fire-retardant inner sheath to separate oxygen layer annular side parcel, fire-retardant inner sheath outside parcel has fire-retardant foam, fire-retardant foam surface parcel has the asbestos gauge, asbestos gauge surface bonds and has the wire net, the wire net outside is provided with fills the chamber, it installs the support bar to fill intracavity portion, fire-retardant oversheath is installed in the support bar outside.
2. The outdoor cable with high flame retardant property as claimed in claim 1, wherein: the filling cavity is filled with calcium oxide filling materials.
3. The outdoor cable with high flame retardant property as claimed in claim 1, wherein: and silane crosslinked polyethylene is filled in the insulating layer.
4. The outdoor cable with high flame retardant property as claimed in claim 1, wherein: and aluminum hydroxide and magnesium hydroxide are filled in the oxygen isolating layer.
5. The outdoor cable with high flame retardant property as claimed in claim 1, wherein: the steel wire mesh is a stainless steel fireproof belt.
6. The outdoor cable with high flame retardant property as claimed in claim 1, wherein: all filled strong glue between wire net and the asbestos gauge, between insulating layer and the oxygen layer that separates, fire-retardant inner sheath and separate between the oxygen layer and fire-retardant oversheath and fill the chamber, the wire net bonds through strong glue and asbestos gauge mutually, the insulating layer bonds through strong glue and the oxygen layer that separates mutually, fire-retardant inner sheath bonds through strong glue and the oxygen layer that separates mutually, fire-retardant oversheath bonds through strong glue and the chamber that fills mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922406913.4U CN210984364U (en) | 2019-12-27 | 2019-12-27 | Outdoor cable with high flame retardant property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922406913.4U CN210984364U (en) | 2019-12-27 | 2019-12-27 | Outdoor cable with high flame retardant property |
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| Publication Number | Publication Date |
|---|---|
| CN210984364U true CN210984364U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922406913.4U Active CN210984364U (en) | 2019-12-27 | 2019-12-27 | Outdoor cable with high flame retardant property |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086233A (en) * | 2020-09-29 | 2020-12-15 | 安徽天大铜业有限公司 | Subway rail transit cable copper conductor |
| CN113571243A (en) * | 2021-06-24 | 2021-10-29 | 重庆以勒电缆有限公司 | High-performance crease-resistant copper sheath flexible mineral fireproof cable and processing method thereof |
-
2019
- 2019-12-27 CN CN201922406913.4U patent/CN210984364U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086233A (en) * | 2020-09-29 | 2020-12-15 | 安徽天大铜业有限公司 | Subway rail transit cable copper conductor |
| CN113571243A (en) * | 2021-06-24 | 2021-10-29 | 重庆以勒电缆有限公司 | High-performance crease-resistant copper sheath flexible mineral fireproof cable and processing method thereof |
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