CN211604727U - Cable conductor with fire prevention fire-retardant function - Google Patents
Cable conductor with fire prevention fire-retardant function Download PDFInfo
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- CN211604727U CN211604727U CN202020419205.4U CN202020419205U CN211604727U CN 211604727 U CN211604727 U CN 211604727U CN 202020419205 U CN202020419205 U CN 202020419205U CN 211604727 U CN211604727 U CN 211604727U
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- 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
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- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a cable conductor with fire prevention fire-retardant function, concretely relates to cable technical field, including cable protection cover and cable core, the cable core comprises first copper core, second copper core and third copper core, the surface of cable protection cover is equipped with wear-resisting fire-retardant layer, the inside on wear-resisting fire-retardant layer is equipped with the asbestos insulating layer, the inside of asbestos insulating layer is equipped with the glass fiber layer. The utility model discloses when wear-resisting fire-retardant layer increases cable protection cover wear resistance, do flame retardant treatment for cable protection cover's surface, when thermal-insulated processing is done to the cable core to thermal-insulated flame retardant layer, do flame retardant treatment for cable protection cover's internal surface, the thermal-insulated processing is done for cable protection cover's middle part position to the asbestos insulating layer, cable protection cover's inside and outside have flame retardant treatment simultaneously, no matter be cable protection cover inside or when the outside is on fire, cable protection cover all can be fire-retardant, prevent the intensity of a fire from stretching effectively, and the loss is reduced.
Description
Technical Field
The utility model relates to the technical field of cables, more specifically say, the utility model relates to a cable conductor with fire prevention fire-retardant function.
Background
A cable is generally made up of several or groups of conductors, usually several or groups of at least two, twisted rope-like cables, each group of conductors being insulated from each other and usually twisted around a center, the whole being covered with a highly insulating covering, a plurality of cables being erected in the air or installed underground, underwater for telecommunication or power transmission.
The prior art has the following defects: the flame-retardant layer of flexible cable sets up in the inside of flexible cable, can only do flame retardant treatment for the inside cable core of flexible cable like this, and when the fire source came from with the outside of flexible cable, the flexible cable can not be fire-retardant, leads to the intensity of a fire to spread easily, increases the loss.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a cable conductor with fire prevention flame retardant function, when wear-resisting fire-retardant layer increases cable protection cover wearability, do flame retardant treatment for cable protection cover's surface, when thermal-insulated fire-retardant layer is thermal-insulated processing to the cable core, do flame retardant treatment for cable protection cover's internal surface, the thermal-insulated processing is done for cable protection cover's middle part position to the asbestos insulating layer, cable protection cover's inside and outside have flame retardant treatment simultaneously, no matter be when cable protection cover is inside or outside is on fire, cable protection cover all can be fire-retardant, prevent the intensity of a fire from stretching effectively, the loss is reduced.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cable conductor with fire prevention fire-retardant function, includes cable protection cover and cable core, the cable core comprises first copper core, second copper core and third copper core, cable protection cover's surface is equipped with wear-resisting fire-retardant layer, the inside on wear-resisting fire-retardant layer is equipped with the asbestos insulating layer, the inside on asbestos insulating layer is equipped with the glass fiber layer, the inside on glass fiber layer is equipped with thermal-insulated fire-retardant layer, the surface of cable core is equipped with the resin insulation film, wear-resisting fire-retardant layer comprises red phosphorus layer and vulcanized rubber layer, the vulcanized rubber layer sets up the top on red phosphorus layer, thermal-insulated fire-retardant layer is by red phosphorus layer and organosilicon rubber layer, red phosphorus layer sets up the top on organosilicon rubber layer.
In a preferred embodiment, the cable protective sheath surrounds the outer surface of the cable core, and sealing rubber rings are mounted at both ends of the cable protective sheath.
In a preferred embodiment, the number of the sealing rubber rings is two, the two sealing rubber rings are distributed in a central symmetry manner, and both the two sealing rubber rings are embedded at the end of the cable protection sleeve.
In a preferred embodiment, the first copper core and the third copper core are respectively arranged at the top and the bottom of the second copper core, and the first copper core, the second copper core and the third copper core are sequentially attached to each other.
In a preferred embodiment, the resin insulation film covers the outer surface of the cable core, and the resin insulation film is attached to the cable core.
In a preferred embodiment, the wear-resistant and flame-retardant layer is attached to an asbestos insulation layer, which is attached to a glass fiber layer.
In a preferred embodiment, the glass fiber layer is attached to a heat-insulating flame-retardant layer covering the outer surface of the resin insulation film.
The utility model discloses a technological effect and advantage:
1. the wear-resistant flame-retardant layer is used for increasing the wear-resistant performance of the cable protection sleeve and performing flame-retardant treatment on the outer surface of the cable protection sleeve, the heat-insulating flame-retardant layer is used for performing heat-insulating treatment on a cable core and performing flame-retardant treatment on the inner surface of the cable protection sleeve, the asbestos heat-insulating layer is used for performing heat-insulating treatment on the middle position of the cable protection sleeve, the inner part and the outer part of the cable protection sleeve are simultaneously subjected to flame-retardant treatment, and when a fire happens inside or outside the cable protection sleeve, the cable protection sleeve can be flame-retardant, so that the fire spread;
2. the sealing rubber ring is used for waterproof sealing treatment of the cable core, the glass fiber layer is used for increasing the toughness of the cable protective sleeve, the resin insulating film is used for insulating the cable core, the red phosphorus layer and the vulcanized rubber layer in the wear-resistant flame-retardant layer respectively account for 50 percent, so that the wear-resistant flame-retardant layer has wear resistance and flame retardance, and the red phosphorus layer and the organic silicon rubber layer in the heat-insulating flame-retardant layer respectively account for 50 percent, so that the heat-insulating flame-retardant layer has heat insulation and flame retardance.
Drawings
Fig. 1 is a longitudinal sectional view of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.
Fig. 3 is a left side longitudinal sectional view of the present invention.
Fig. 4 is a schematic view of the overall structure of the present invention.
Fig. 5 is a longitudinal sectional view of the wear-resistant and flame-retardant layer of the present invention.
Fig. 6 is a longitudinal sectional view of the heat-insulating flame-retardant layer of the present invention.
The reference signs are: the cable comprises a cable protective sleeve 1, a sealing rubber ring 2, a cable core 3, a first copper core 4, a second copper core 5, a third copper core 6, a wear-resistant flame-retardant layer 7, an asbestos heat-insulating layer 8, a glass fiber layer 9, a heat-insulating flame-retardant layer 10, a resin insulating film 11, a red phosphorus layer 12, a vulcanized rubber layer 13 and an organic silicon rubber layer 14.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a cable with fireproof and flame-retardant functions as shown in figures 1-6, which comprises a cable protective sleeve 1 and a cable core 3, the cable core 3 is composed of a first copper core 4, a second copper core 5 and a third copper core 6, the outer surface of the cable protective sleeve 1 is provided with a wear-resistant flame-retardant layer 7, an asbestos heat insulation layer 8 is arranged inside the wear-resistant flame-retardant layer 7, a glass fiber layer 9 is arranged inside the asbestos heat insulation layer 8, the glass fiber layer 9 is internally provided with a heat insulation flame-retardant layer 10, the outer surface of the cable core 3 is provided with a resin insulation film 11, the wear-resistant flame-retardant layer 7 is composed of a red phosphorus layer 12 and a vulcanized rubber layer 13, the vulcanized rubber layer 13 is arranged on the top of the red phosphorus layer 12, the heat-insulating flame-retardant layer 10 consists of a red phosphorus layer 12 and an organic silicon rubber layer 14, wherein the red phosphorus layer 12 is arranged on the top of the organic silicon rubber layer 14;
the implementation mode is specifically as follows: the power is transmitted after the cable core 3 is connected with the equipment, because the cable core 3 is composed of a first copper core 4, a second copper core 5 and a third copper core 6, when the cable core 3 is used, when one copper core is broken, other two copper cores can continue to transmit current, the wear-resistant flame-retardant layer 7 can increase the wear resistance of the cable protection sleeve 1, and can perform flame-retardant treatment on the outer surface of the cable protection sleeve 1, and when the heat-insulating flame-retardant layer 10 performs heat-insulating treatment on the cable core 3, the inner surface of the cable protection sleeve 1 can perform flame-retardant treatment, and the asbestos heat-insulating layer 8 performs heat-insulating treatment on the middle position of the cable protection sleeve 1, so that the inside and the outside of the cable protection sleeve 1 can perform flame-retardant treatment simultaneously, and when the inside or the outside of the cable protection sleeve 1 is on fire, the cable protection sleeve 1 can resist flame.
As shown in fig. 1-6, in the cable with a fireproof and flame-retardant function, the cable protection sleeve 1 is arranged around the outer surface of the cable core 3, and both ends of the cable protection sleeve 1 are provided with the sealing rubber rings 2;
the number of the sealing rubber rings 2 is two, the two sealing rubber rings 2 are distributed in a centrosymmetric manner, and the two sealing rubber rings 2 are both embedded and arranged at the end part of the cable protection sleeve 1;
the first copper core 4 and the third copper core 6 are respectively arranged at the top and the bottom of the second copper core 5, and the first copper core 4, the second copper core 5 and the third copper core 6 are sequentially attached;
the resin insulation film 11 is covered on the outer surface of the cable core 3, and the resin insulation film 11 is attached to the cable core 3;
the wear-resistant flame-retardant layer 7 is attached to an asbestos heat-insulating layer 8, and the asbestos heat-insulating layer 8 is attached to a glass fiber layer 9;
the glass fiber layer 9 is attached to a heat-insulating flame-retardant layer 10, and the heat-insulating flame-retardant layer 10 is covered on the outer surface of the resin insulating film 11;
the implementation mode is specifically as follows: the sealing rubber ring 2 is used for waterproof sealing treatment of the cable core 3, the glass fiber layer 9 is used for improving the toughness of the cable protective sleeve 1, the resin insulation film 11 is used for insulating the cable core 3, the red phosphorus layer 12 and the vulcanized rubber layer 13 in the wear-resistant flame-retardant layer 7 respectively account for 50%, so that the wear-resistant flame-retardant layer 7 has wear resistance and flame retardance, and the red phosphorus layer 12 and the organic silicon rubber layer 14 in the heat-insulating flame-retardant layer 10 respectively account for 50%, so that the heat-insulating flame-retardant layer 10 has heat insulation and flame retardance.
The utility model discloses the theory of operation:
referring to the attached drawings 1-6 of the specification, a cable core 3 is connected with equipment and then transmits a power supply, because the cable core 3 is composed of a first copper core 4, a second copper core 5 and a third copper core 6, when the cable core 3 is used, when one copper core is broken, the other two copper cores can continue to transmit current, the wear-resistant flame-retardant layer 7 increases the wear resistance of the cable protection sleeve 1 and performs flame-retardant treatment on the outer surface of the cable protection sleeve 1, the heat-insulating flame-retardant layer 10 performs heat-insulating treatment on the cable core 3 and performs flame-retardant treatment on the inner surface of the cable protection sleeve 1, and the asbestos heat-insulating layer 8 performs heat-insulating treatment on the middle position of the cable protection sleeve 1;
referring to the attached drawings 1, 5 and 6 of the specification, a sealing rubber ring 2 is used for waterproof sealing treatment of a cable core 3, a glass fiber layer 9 is used for increasing the toughness of a cable protective sleeve 1, a resin insulation film 11 is used for insulation treatment of the cable core 3, a red phosphorus layer 12 and a vulcanized rubber layer 13 in a wear-resistant flame-retardant layer 7 respectively account for 50%, so that the wear-resistant flame-retardant layer 7 has wear resistance and flame retardance, and a red phosphorus layer 12 and an organic silicon rubber layer 14 in a heat-insulating flame-retardant layer 10 respectively account for 50%, so that the heat-insulating flame-retardant layer 10 has heat insulation and flame retardance.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a cable conductor with fire prevention fire-retardant function, includes cable protection cover (1) and cable core (3), its characterized in that: the cable core (3) is composed of a first copper core (4), a second copper core (5) and a third copper core (6), the outer surface of the cable protective sleeve (1) is provided with a wear-resistant flame-retardant layer (7), an asbestos heat-insulating layer (8) is arranged inside the wear-resistant flame-retardant layer (7), a glass fiber layer (9) is arranged inside the asbestos heat insulation layer (8), a heat insulation flame-retardant layer (10) is arranged inside the glass fiber layer (9), the outer surface of the cable core (3) is provided with a resin insulation film (11), the wear-resistant flame-retardant layer (7) is composed of a red phosphorus layer (12) and a vulcanized rubber layer (13), the vulcanized rubber layer (13) is arranged on the top of the red phosphorus layer (12), the heat-insulating flame-retardant layer (10) consists of the red phosphorus layer (12) and an organic silicon rubber layer (14), the red phosphorus layer (12) is arranged on the top of the organic silicon rubber layer (14).
2. The cable line with the fireproof and flame-retardant functions as claimed in claim 1, wherein: the cable protection sleeve (1) surrounds the outer surface of the cable core (3), and the two ends of the cable protection sleeve (1) are provided with the sealing rubber rings (2).
3. The cable line with the fireproof and flame-retardant functions as claimed in claim 2, wherein: the number of the sealing rubber rings (2) is two, the sealing rubber rings (2) are distributed in a central symmetry manner, and the sealing rubber rings (2) are all embedded at the end of the cable protection sleeve (1).
4. The cable line with the fireproof and flame-retardant functions as claimed in claim 1, wherein: first copper core (4) and third copper core (6) set up respectively in the top and the bottom of second copper core (5), laminate in proper order between first copper core (4), second copper core (5) and third copper core (6).
5. The cable line with the fireproof and flame-retardant functions as claimed in claim 1, wherein: the resin insulation film (11) covers the outer surface of the cable core (3), and the resin insulation film (11) is attached to the cable core (3).
6. The cable line with the fireproof and flame-retardant functions as claimed in claim 1, wherein: the wear-resistant flame-retardant layer (7) is attached to the asbestos heat-insulating layer (8), and the asbestos heat-insulating layer (8) is attached to the glass fiber layer (9).
7. The cable line with the fireproof and flame-retardant functions as claimed in claim 1, wherein: the glass fiber layer (9) is attached to the heat-insulating flame-retardant layer (10), and the heat-insulating flame-retardant layer (10) covers the outer surface of the resin insulating film (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020419205.4U CN211604727U (en) | 2020-03-27 | 2020-03-27 | Cable conductor with fire prevention fire-retardant function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020419205.4U CN211604727U (en) | 2020-03-27 | 2020-03-27 | Cable conductor with fire prevention fire-retardant function |
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| CN211604727U true CN211604727U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020419205.4U Active CN211604727U (en) | 2020-03-27 | 2020-03-27 | Cable conductor with fire prevention fire-retardant function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366626A (en) * | 2020-11-17 | 2021-02-12 | 安徽伊法拉电力科技有限公司 | Reversible thermosensitive early-warning environment-friendly flame-retardant type protective sleeve |
-
2020
- 2020-03-27 CN CN202020419205.4U patent/CN211604727U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366626A (en) * | 2020-11-17 | 2021-02-12 | 安徽伊法拉电力科技有限公司 | Reversible thermosensitive early-warning environment-friendly flame-retardant type protective sleeve |
| CN112366626B (en) * | 2020-11-17 | 2021-12-14 | 安徽伊法拉电力科技有限公司 | Reversible thermosensitive early-warning environment-friendly flame-retardant type protective sleeve |
| WO2022105594A1 (en) * | 2020-11-17 | 2022-05-27 | 安徽伊法拉电力科技有限公司 | Reversible thermosensitive early-warning environment-friendly flame-retardant protective sleeve |
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