CN213025524U - 1kV halogen-free low-smoke fire-resistant flame-retardant power cable - Google Patents
1kV halogen-free low-smoke fire-resistant flame-retardant power cable Download PDFInfo
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- CN213025524U CN213025524U CN202021236146.3U CN202021236146U CN213025524U CN 213025524 U CN213025524 U CN 213025524U CN 202021236146 U CN202021236146 U CN 202021236146U CN 213025524 U CN213025524 U CN 213025524U
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Abstract
The utility model discloses a 1kV does not have steamed low fire-retardant power cable of cigarette, including the outer layer of the low cigarette polyolefin of crosslinked polyethylene insulated steel band halogen-free, the outer compound environment-friendly protection against rodents additive of the low cigarette polyolefin of crosslinked polyethylene insulated steel band halogen-free prevents termite additive and environment-friendly, the outer inlayer of crosslinked polyethylene insulated steel band halogen-free low cigarette polyolefin is provided with the glass fiber inlayer. The utility model discloses in, outer compound environment-friendly protection against rodents additive and environment-friendly protection against termites additive, can effectively avoid this power cable to be harmd by mouse or termite, use boron nitride heat conduction rubber to fill and heat dissipation copper circuit, can with the heat furthest's that cable core transmission of electricity in-process produced effluvium, and then guarantee this power cable's life, behind the crust armor, certain compressive capacity has, after taking place the electric leakage, the heat dissipation copper circuit guides the electric current to the diode and makes the diode luminous, the staff can observe the electric leakage information that certain heat dissipation copper highway section corresponds in insulating transparent housing department.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to 1kV does not have steamed fire-retardant power cable of low cigarette.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables. If the power cable has poor heat dissipation, spontaneous combustion of the power cable can be caused, and the service life of the power cable is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcomings existing in the prior art, and providing a 1kV halogen-free low-smoke fire-resistant flame-retardant power cable.
In order to achieve the above purpose, the utility model adopts the following technical scheme: including the outer layer of the low smoke polyolefin of crosslinked polyethylene insulating steel strip halogen-free, the outer compound environmental protection type ratproof additive of low smoke polyolefin of crosslinked polyethylene insulating steel strip halogen-free and environment-friendly termite-proof additive, the outer inlayer of the low smoke polyolefin of crosslinked polyethylene insulating steel strip halogen-free is provided with the glass fiber inlayer, the inlayer of glass fiber inlayer is provided with INS-CT insulating filling, be provided with the polypropylene crust in the INS-CT insulating filling, the surface of polypropylene crust is provided with the copper ring, the internal surface of polypropylene crust is provided with the cable core, the middle part of INS-CT insulating filling is provided with the pvc inner tube, be provided with first boron nitride heat conduction rubber between pvc inner tube and INS-CT insulating filling, the polypropylene crust and fill, the inside that first boron nitride heat conduction rubber filled is provided with the connection copper line, connecting copper line and copper ring are connected, the inside of pvc inner tube is provided with second boron nitride heat conduction rubber and fills, the inside that second boron nitride heat conduction rubber filled is provided with central copper line, the one end fixed connection that copper ring was kept away from to central copper line and connecting copper line, the upside fixedly connected with pvc branch pipe of pvc inner tube, the one end that the pvc branch pipe was gone into in the bending of central copper line is provided with the diode, the one end that pvc inner tube was kept away from to pvc branch pipe is provided with insulating transparent shell.
As a further description of the above technical solution:
the first boron nitride heat-conducting rubber filling penetrates through the side wall of the pvc inner pipe to be connected with the second boron nitride heat-conducting rubber filling, and the INS-CT insulating filling penetrates between the first boron nitride heat-conducting rubber filling and the outer side wall of the pvc inner pipe.
As a further description of the above technical solution:
four groups of polypropylene sheaths and cable cores are arranged, and the four groups of polypropylene sheaths and cable cores are uniformly distributed in the INS-CT insulation filling.
As a further description of the above technical solution:
the central copper wires are arranged at intervals, and the second boron nitride heat-conducting rubber is filled between the central copper wires which are arranged at intervals.
As a further description of the above technical solution:
the PVC branch pipe penetrates through INS-CT insulation filling, the glass fiber inner layer and the outer surface of the cross-linked polyethylene insulation steel belt halogen-free low-smoke polyolefin outer layer, and the PVC branch pipe is distributed along the same straight line.
As a further description of the above technical solution:
the upper surface of the insulating transparent shell is level to the outer surface of the crosslinked polyethylene insulating steel band halogen-free low-smoke polyolefin outer layer, and the insulating transparent shell has certain heat dissipation performance.
The utility model discloses following beneficial effect has:
compared with the prior art, this 1kV does not have steamed fire-retardant power cable's of low smoke compound environment-friendly protection against rodents additive and environment-friendly termite-proof additive, can effectively avoid this power cable to be harmd by mouse or termite, use boron nitride heat conduction rubber to fill and heat dissipation copper circuit, can with the furthest's of the heat that produces among the cable core power transmission process effluvium, and then guarantee this power cable's life, after the crust armor, have certain compressive capacity, after taking place the electric leakage, the heat dissipation copper circuit guides the electric current to the diode and makes the diode luminous, the staff can observe the electric leakage information that a certain heat dissipation copper road section corresponds in insulating transparent shell department.
Drawings
Fig. 1 is a front view of a 1kV halogen-free low-smoke fire-resistant flame-retardant power cable provided by the utility model;
fig. 2 is an oblique sectional view of the 1kV halogen-free low-smoke fire-resistant flame-retardant power cable provided by the utility model;
fig. 3 is a longitudinal section view of the 1kV halogen-free low-smoke fire-resistant flame-retardant power cable provided by the utility model.
Illustration of the drawings:
1. the outer layer of the crosslinked polyethylene insulated steel band is a halogen-free low-smoke polyolefin layer; 2. INS-CT insulation filling; 3. a copper ring; 4. a polypropylene sheath; 5. a cable core; 6. an inner layer of glass fibers; 7. filling the first boron nitride heat-conducting rubber; 8. connecting copper wires; 9. a pvc inner tube; 10. filling second boron nitride heat-conducting rubber; 11. a central copper wire; 12. a pvc branch pipe; 13. an insulating transparent housing; 14. and a diode.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the utility model provides a 1kV does not have steamed fire-retardant power cable of low cigarette: the anti-termite and anti-termite composite cable comprises a crosslinked polyethylene insulating steel strip halogen-free low-smoke polyolefin outer layer 1, a composite environment-friendly type rat control additive and an environment-friendly type termite control additive, wherein the composite environment-friendly type rat control additive and the environment-friendly type termite control additive are used for preventing damage of rats and ants, a glass fiber inner layer 6 is arranged on the inner layer of the crosslinked polyethylene insulating steel strip halogen-free low-smoke polyolefin outer layer 1, plays roles of insulating and heat insulation and providing excellent mechanical property, an INS-CT insulating filling 2 is arranged on the inner layer of the glass fiber inner layer 6, has the advantages of heat insulation and no need of hot melt filling, a polypropylene sheath 4 is arranged in the INS-CT insulating filling 2, carries out insulating protection on a cable core 5 and dissipates heat generated in the power transmission process of the cable core 5, a copper ring 3 is arranged on the outer, an internal supporting structure, a first boron nitride heat-conducting rubber filling 7 is arranged between the pvc inner pipe 9 and the INS-CT insulating filling 2 and between the first boron nitride heat-conducting rubber filling 7 and the polypropylene sheath 4, the boron nitride heat-conducting rubber has insulation property, a connecting copper wire 8 is arranged inside the first boron nitride heat-conducting rubber filling 7 and is used for guiding electric leakage, the connecting copper wire 8 is connected with the copper ring 3, a second boron nitride heat-conducting rubber filling 10 is arranged inside the pvc inner pipe 9, a central copper wire 11 is arranged inside the second boron nitride heat-conducting rubber filling 10 and is used for heat dissipation and electric leakage detection, the central copper wire 11 is fixedly connected with one end of the connecting copper wire 8 far away from the copper ring 3, a pvc branch pipe 12 is fixedly connected with the upper side of the pvc inner pipe 9, one end of the central copper wire 11 bent into the pvc branch pipe 12 is provided with a diode 14 and emits light when the central copper wire 11 has current, one end of the pvc branch pipe 12, the staff of being convenient for observes.
The first boron nitride heat-conducting rubber filling 7 penetrates through the side wall of the pvc inner pipe 9 to be connected with the second boron nitride heat-conducting rubber filling 10 for heat transfer, the INS-CT insulating filling 2 penetrates between the first boron nitride heat-conducting rubber filling 7 and the outer side wall of the pvc inner pipe 9, four groups of polypropylene sheaths 4 and cable cores 5 are arranged, the four groups of polypropylene sheaths 4 and cable cores 5 are uniformly distributed in the INS-CT insulating filling 2, the central copper wires 11 are arranged at intervals and used for dividing the electric leakage detection of the power cable into a plurality of sections, the second boron nitride heat-conducting rubber filling 10 is arranged between the central copper wires 11 which are mutually arranged at intervals, the pvc branch pipe 12 penetrates through the INS-CT insulating filling 2, the glass fiber inner layer 6 to the outer surface of the cross-linked polyethylene insulating steel strip halogen-free low-smoke polyolefin outer layer 1, the pvc branch pipe 12 is distributed along the same straight line, the upper surface of the insulating transparent shell 13 is level with the outer surface of the cross, the insulating transparent case 13 has a certain heat dissipation property.
The working principle is as follows: the cross-linked polyethylene insulated steel band halogen-free low-smoke polyolefin outer layer 1 is compounded with an environment-friendly ratproof additive and an environment-friendly termite-proof additive, the damage of rats and ants to the power cable can be avoided, the heat generated in the power transmission process of the cable core 5 is transmitted to the first boron nitride heat-conducting rubber filling 7 and the copper ring 3 through the polypropylene outer skin 4, the first boron nitride heat-conducting rubber filling 7 transmits the heat to the second boron nitride heat-conducting rubber filling 10, the second boron nitride heat-conducting rubber filling 10 transmits the heat to the central copper wire 11, the copper ring 3 also transmits the heat to the central copper wire 11 through the connecting copper wire 8, the heat on the central copper wire 11 is dissipated from the insulating transparent shell 13, the copper ring 3, the connecting copper wire 8 and the central copper wire 11 form a heat dissipation copper circuit, when the polypropylene sheath 4 damages the cable core 5 and leaks electricity to the copper ring 3, the copper ring 3 leads the current to flow to the diode 14 through the heat dissipation copper circuit, and the power cable section with the light-emitting diode 14 is the electricity leakage section.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1.1kV does not have steamed low fire-retardant power cable of cigarette that declines, including the outer (1) of the insulating steel band of crosslinked polyethylene, its characterized in that of steamed low cigarette polyolefin of crosslinked polyethylene: the cross-linked polyethylene insulated steel strip halogen-free low-smoke polyolefin outer layer (1) composite environment-friendly type ratproof additive and environment-friendly type termite-proof additive, the inner layer of the cross-linked polyethylene insulated steel strip halogen-free low-smoke polyolefin outer layer (1) is provided with a glass fiber inner layer (6), the inner layer of the glass fiber inner layer (6) is provided with an INS-CT insulated filler (2), a polypropylene outer skin (4) is arranged in the INS-CT insulated filler (2), the outer surface of the polypropylene outer skin (4) is provided with a copper ring (3), the inner surface of the polypropylene outer skin (4) is provided with a cable core (5), the middle part of the INS-CT insulated filler (2) is provided with a pvc inner tube (9), a first boron nitride heat-conducting rubber filler (7) is arranged between the pvc inner tube (9) and the INS-CT insulated filler (2) and the polypropylene outer, the inside that first boron nitride heat conduction rubber filled (7) is provided with connecting copper line (8), connecting copper line (8) is connected with copper ring (3), the inside of pvc inner tube (9) is provided with second boron nitride heat conduction rubber and fills (10), the inside that second boron nitride heat conduction rubber filled (10) is provided with central copper line (11), the one end fixed connection of copper ring (3) is kept away from with connecting copper line (8) in central copper line (11), upside fixedly connected with pvc branch pipe (12) of pvc inner tube (9), the one end that pvc branch pipe (12) were bent into in central copper line (11) is provided with diode (14), the one end that pvc inner tube (9) were kept away from in pvc branch pipe (12) is provided with insulating transparent shell (13).
2. The 1kV halogen-free low-smoke fire-resistant flame-retardant power cable according to claim 1, characterized in that: the first boron nitride heat-conducting rubber filling (7) penetrates through the side wall of the pvc inner tube (9) to be connected with the second boron nitride heat-conducting rubber filling (10), and the INS-CT insulating filling (2) penetrates between the first boron nitride heat-conducting rubber filling (7) and the outer side wall of the pvc inner tube (9).
3. The 1kV halogen-free low-smoke fire-resistant flame-retardant power cable according to claim 1, characterized in that: four groups of polypropylene sheaths (4) and cable cores (5) are arranged, and the four groups of polypropylene sheaths (4) and cable cores (5) are uniformly distributed in the INS-CT insulating filler (2).
4. The 1kV halogen-free low-smoke fire-resistant flame-retardant power cable according to claim 1, characterized in that: the central copper wires (11) are arranged at intervals, and the second boron nitride heat-conducting rubber filler (10) is arranged between the central copper wires (11) which are arranged at intervals.
5. The 1kV halogen-free low-smoke fire-resistant flame-retardant power cable according to claim 1, characterized in that: PVC branch pipe (12) pass INS-CT insulating filling (2), glass fiber inner layer (6) to the outer surface of crosslinked polyethylene insulating steel band halogen-free low-smoke polyolefin outer layer (1), PVC branch pipe (12) are along same straight line distribution.
6. The 1kV halogen-free low-smoke fire-resistant flame-retardant power cable according to claim 1, characterized in that: the upper surface of the insulating transparent shell (13) is level with the outer surface of the crosslinked polyethylene insulating steel band halogen-free low-smoke polyolefin outer layer (1), and the insulating transparent shell (13) has certain heat dissipation performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021236146.3U CN213025524U (en) | 2020-06-29 | 2020-06-29 | 1kV halogen-free low-smoke fire-resistant flame-retardant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021236146.3U CN213025524U (en) | 2020-06-29 | 2020-06-29 | 1kV halogen-free low-smoke fire-resistant flame-retardant power cable |
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| Publication Number | Publication Date |
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| CN213025524U true CN213025524U (en) | 2021-04-20 |
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| CN202021236146.3U Active CN213025524U (en) | 2020-06-29 | 2020-06-29 | 1kV halogen-free low-smoke fire-resistant flame-retardant power cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116230297A (en) * | 2023-03-27 | 2023-06-06 | 无锡市凯锋电缆有限公司 | Flame-retardant crosslinked polyethylene insulated power cable |
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2020
- 2020-06-29 CN CN202021236146.3U patent/CN213025524U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116230297A (en) * | 2023-03-27 | 2023-06-06 | 无锡市凯锋电缆有限公司 | Flame-retardant crosslinked polyethylene insulated power cable |
| CN116230297B (en) * | 2023-03-27 | 2023-11-10 | 无锡市凯锋电缆有限公司 | Flame-retardant crosslinked polyethylene insulated power cable |
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