CN210667883U - High-temperature-resistant flame-retardant cable - Google Patents
High-temperature-resistant flame-retardant cable Download PDFInfo
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- CN210667883U CN210667883U CN201920452358.6U CN201920452358U CN210667883U CN 210667883 U CN210667883 U CN 210667883U CN 201920452358 U CN201920452358 U CN 201920452358U CN 210667883 U CN210667883 U CN 210667883U
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Abstract
The utility model belongs to the technical field of the cable technology and specifically relates to a high temperature resistant flame retarded cable, fire-retardant oversheath is cylinder cavity structure, the inner wall cover of fire-retardant oversheath be rather than assorted armor, the armor is section ring structure, the ring inboard of armor is fixed through splicing and is equipped with fire-retardant layer, shown fire-retardant layer is section ring structure, angle such as ring middle part of fire-retardant layer is equallyd divide and is equipped with a plurality of fire-retardant holes, fire-retardant downthehole packing is equipped with the dry powder fire extinguishing agent, the fixed insulating layer that is equipped with of inner wall in the ring of fire-retardant layer, the inside interlude that fire-retardant layer was kept away from to the insulating layer is equipped with three bundles of conductors, angle such as three bundles of conductors is equallyd divide the setting inboard at the insulating layer. The utility model discloses simple structure, the protective properties is strong, has market prospect, is fit for promoting.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a high temperature resistant flame retarded cable.
Background
With the development of society, power transmission has penetrated into all aspects of our lives, and with the development of power transmission technology, power cables with various functions are developed and applied. For common cables, only power transmission performance is generally considered, and flame retardancy is rarely considered. For the flame-retardant cable or the fire-resistant cable which is specially involved, the cost is too high, and the cable cannot be generally used. Therefore, a high-temperature resistant flame-retardant cable which not only meets the power transmission requirement, but also has flame retardance, so that under the condition of fire, the combustion can be limited in a local range and does not spread, and although the conventional flame-retardant cable is externally flame-retardant, the inner wire core layer is easily melted at high temperature to influence the use is developed, and the problem is solved by the high-temperature resistant flame-retardant cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the existing flame-retardant cable is flame-retardant externally, but the inner wire core layer is easy to be melted by high temperature to influence the use, and providing the high-temperature-resistant flame-retardant cable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the design is a high-temperature-resistant flame-retardant cable, which comprises a flame-retardant outer sheath, the flame-retardant outer sheath is of a cylindrical cavity structure, the inner wall of the flame-retardant outer sheath is sleeved with an armor layer matched with the inner wall of the flame-retardant outer sheath, the armor layer is of a section ring structure, the inner side of a ring of the armor layer is fixedly provided with a flame-retardant layer through splicing, the flame-retardant layer is of the section ring structure, the middle part of the ring of the flame-retardant layer is equally divided into a plurality of flame-retardant holes at equal angles, dry powder fire extinguishing agents are filled in the flame-retardant holes, a thermal insulation layer is fixedly arranged on the inner wall of the ring of the flame-retardant layer, the thermal insulation layer is kept away from the inner part of the flame-retardant layer, three conductors are arranged at equal angles of the conductors in an equal interval mode.
Preferably, the flame-retardant outer sheath is a polyvinyl chloride protective sheath structure.
Preferably, the armor layer is a steel tape armor layer.
Preferably, the flame retardant layer is of a low density polyethylene structure.
Preferably, the heat insulation layer is of a high-temperature-resistant heat insulation cotton structure.
Preferably, the cable insulation layer is a polyethylene insulation layer.
Preferably, the filling material of the filling layer is a flame retardant.
The utility model provides a pair of high temperature resistant flame retarded cable, beneficial effect lies in: through the fire-retardant oversheath that has the armor with have, fire-retardant layer and the insulating layer in fire-retardant hole and the filling layer between mutually supporting, make high temperature resistant flame retarded cable promote the tensile through the armor, utilize the dry powder fire extinguishing agent of fire-retardant downthehole packing to reach the purpose of the fire-retardant isolated oxygen of initiative, and through the setting of insulating layer, make the temperature in the conductor be less than external combustion temperature, the ignition point has been reduced, the setting of the fire-retardant filler material of cooperation filling layer, high temperature resistant flame retarded cable's protective properties and practicality have further been promoted.
Drawings
Fig. 1 is a schematic structural view of a high temperature resistant flame retardant cable provided by the present invention; .
In the figure: the cable comprises a flame-retardant outer sheath 1, an armor layer 2, a flame-retardant layer 3, a flame-retardant hole 4, a heat insulation layer 5, a filling layer 6, a cable insulation layer 7 and a conductor 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a high temperature resistant flame retardant cable comprises a flame retardant outer sheath 1, wherein the flame retardant outer sheath 1 is of a polyvinyl chloride protective sleeve structure, the flame retardant outer sheath 1 is of a cylindrical cavity structure, an armor layer 2 matched with the flame retardant outer sheath 1 is sleeved on the inner wall of the flame retardant outer sheath 1, the armor layer 2 is of a steel strip armor layer, the armor layer 2 is of a section ring structure, a flame retardant layer 3 is fixedly arranged on the inner side of a ring of the armor layer 2 through glue joint, the flame retardant layer 3 is of a low density polyethylene structure, the flame retardant layer 3 is of a section ring structure, a plurality of flame retardant holes 4 are uniformly distributed in the middle of the ring of the flame retardant layer 3 at equal angles, a dry powder fire extinguishing agent is filled in the flame retardant holes 4, a heat insulation layer 5 is fixedly arranged on the inner wall of the ring of the flame retardant layer 3, the heat insulation layer 5 is of a high temperature resistant heat insulation cotton structure, the cable insulation layer 7 is fixedly arranged on the outer wall of the conductor 8, the cable insulation layer 7 is a polyethylene insulation layer, the filling layer 6 is filled between the outer wall of the cable insulation layer 7 and the inner wall of the heat insulation layer 5, the filling material of the filling layer 6 is a flame retardant, and the flame retardant is composed of a mixed material of montmorillonite and an aluminum hydroxide flame retardant.
During the use, through the fire-retardant oversheath 1 that has armor 2 and have, fire-retardant layer 3 and insulating layer 5 and the filling layer 6 within a definite time in fire-retardant hole 4 mutually support, make high temperature resistant flame retarded cable promote the tensile through armor 2, utilize the dry powder fire extinguishing agent of the intussuseption in fire-retardant hole 4 to reach the fire-retardant isolated purpose of oxygen of initiative, and through the setting of insulating layer 5, make the temperature in the conductor 8 be less than external combustion temperature, the ignition point has been reduced, the setting of the fire-retardant filler material of cooperation filling layer 6, high temperature resistant flame retarded cable's protective properties and practicality have further been promoted.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The high-temperature-resistant flame-retardant cable comprises a flame-retardant outer sheath (1) and is characterized in that the flame-retardant outer sheath (1) is of a cylindrical cavity structure, the inner wall of the flame-retardant outer sheath (1) is sleeved with an armor layer (2) matched with the inner wall of the flame-retardant outer sheath, the armor layer (2) is of a section ring structure, the inner side of a ring of the armor layer (2) is fixedly provided with a flame-retardant layer (3) through glue joint, the flame-retardant layer (3) is of the section ring structure, the middle part of the ring of the flame-retardant layer (3) is equally divided into a plurality of flame-retardant holes (4) at equal angles, dry powder extinguishing agents are filled in the flame-retardant holes (4), a heat-insulating layer (5) is fixedly arranged on the inner wall in the ring of the flame-retardant layer (3), the heat-insulating layer (5) is far away from the inside of the flame-retardant layer (3) and, the cable insulation layer (7) is fixedly arranged on the outer wall of the conductor (8), and a filling layer (6) is filled between the outer wall of the cable insulation layer (7) and the inner wall of the heat insulation layer (5).
2. A high temperature resistant flame retardant cable according to claim 1, wherein the flame retardant outer sheath (1) is a polyvinyl chloride sheath structure.
3. A high temperature resistant flame retardant cable according to claim 1 wherein the armor layer (2) is a steel tape armor layer.
4. A high temperature resistant flame retardant cable according to claim 1, wherein the flame retardant layer (3) is of low density polyethylene structure.
5. A high temperature resistant flame retardant cable according to claim 1, wherein the thermal insulation layer (5) is a high temperature resistant thermal insulation cotton structure.
6. A high temperature resistant flame retardant cable according to claim 1, wherein the cable insulation layer (7) is a polyethylene insulation layer.
7. A high temperature resistant flame retardant cable according to claim 1, wherein the filler material of the filler layer (6) is a flame retardant.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920452358.6U CN210667883U (en) | 2019-04-04 | 2019-04-04 | High-temperature-resistant flame-retardant cable |
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CN201920452358.6U CN210667883U (en) | 2019-04-04 | 2019-04-04 | High-temperature-resistant flame-retardant cable |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111564255A (en) * | 2020-06-23 | 2020-08-21 | 安徽天星电缆科技有限公司 | Vehicle-mounted data cable |
CN112768121A (en) * | 2021-01-27 | 2021-05-07 | 新疆胡杨线缆制造有限公司 | Flexible high-temperature-resistant fireproof cable and preparation method thereof |
CN113035433A (en) * | 2021-03-10 | 2021-06-25 | 上海祥龙电缆制造有限公司 | Flame-retardant cable and production process thereof |
CN115440426A (en) * | 2022-09-28 | 2022-12-06 | 广东双利电缆有限公司 | Effectual aluminum alloy cable of high temperature resistant |
-
2019
- 2019-04-04 CN CN201920452358.6U patent/CN210667883U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111564255A (en) * | 2020-06-23 | 2020-08-21 | 安徽天星电缆科技有限公司 | Vehicle-mounted data cable |
CN112768121A (en) * | 2021-01-27 | 2021-05-07 | 新疆胡杨线缆制造有限公司 | Flexible high-temperature-resistant fireproof cable and preparation method thereof |
CN112768121B (en) * | 2021-01-27 | 2024-05-10 | 新疆胡杨线缆制造有限公司 | Flexible high-temperature-resistant fireproof cable and preparation method thereof |
CN113035433A (en) * | 2021-03-10 | 2021-06-25 | 上海祥龙电缆制造有限公司 | Flame-retardant cable and production process thereof |
CN115440426A (en) * | 2022-09-28 | 2022-12-06 | 广东双利电缆有限公司 | Effectual aluminum alloy cable of high temperature resistant |
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