CN215069340U - Low-smoke halogen-free special cable - Google Patents
Low-smoke halogen-free special cable Download PDFInfo
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- CN215069340U CN215069340U CN202120914390.9U CN202120914390U CN215069340U CN 215069340 U CN215069340 U CN 215069340U CN 202120914390 U CN202120914390 U CN 202120914390U CN 215069340 U CN215069340 U CN 215069340U
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- retardant
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- zero halogen
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Abstract
The utility model discloses a low smoke zero halogen type special cable, which comprises a protective sheath, wherein a plurality of elastic rubber strips are uniformly distributed on the outer surface of the protective sheath, a crosslinked polyethylene insulating layer is wrapped in the protective sheath, a mica tape wrapping insulating fire-resistant layer is wrapped in the crosslinked polyethylene insulating layer, the fire resistance of the low smoke zero halogen type special cable is improved by arranging the protective sheath, a flame-retardant filling block, a supporting bulge, the crosslinked polyethylene insulating layer, the mica tape wrapping insulating fire-resistant layer and a fire-resistant mounting rack, the low smoke zero halogen type special cable is convenient to be separated from a conductor and the fire-resistant mounting rack after firing by arranging a flame-retardant falling filler, the cable is prevented from losing functions immediately, accidents of a motor car after firing are avoided, the flexibility of the low smoke zero halogen type special cable is improved by arranging the elastic rubber strips and a flexible guide column, prevent that excessive bending from leading to this low smoke and zero halogen type special cable to damage, the practicality is stronger.
Description
Technical Field
The utility model relates to the technical field of cables, specifically a low smoke and zero halogen type special cable.
Background
The control cable can directly transmit electric energy to various electric equipment appliances from a distribution point of an electric power system, has the functions of measuring, controlling, transmitting signals and the like, is mainly applied to industrial and mining enterprises and energy traffic departments, and has the advantages that the requirement on the control cable is higher due to the driving characteristics of special motor cars, the existing low-smoke zero-halogen special cable has poor fire resistance, the cable can be lost after ignition, accidents of the motor cars are easily caused after fire catching, and the practicability is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, it is good to provide a low smoke and zero halogen type special cable is fire-resistant, can not lead to the cable to lose the function at once after catching fire, avoids leading to the motor car to take place the accident after catching fire, and the practicality is stronger, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a low smoke and zero halogen type special cable comprises a protective sheath, wherein a plurality of elastic rubber strips are uniformly distributed on the outer surface of the protective sheath, a cross-linked polyethylene insulating layer is wrapped in the protective sheath, a mica tape is wrapped in the cross-linked polyethylene insulating layer and wrapped in an insulating fire-resistant layer, the mica tape is accommodated in the insulating fire-resistant layer and is provided with a plurality of flame-retardant filling blocks distributed in an annular shape, a fire-resistant mounting frame is accommodated in a cavity formed by surrounding the flame-retardant filling blocks, the mica tape is filled with flame-retardant falling fillers in a gap between the flame-retardant filling blocks, a plurality of conductor mounting grooves are uniformly formed in the fire-resistant mounting frame, conductors are mounted in the conductor mounting grooves, a shielding layer positioned in the conductor mounting grooves is wrapped outside the conductors, and guide grooves are formed in the central position of the fire-resistant mounting frame, and a flexible guide post is arranged in the guide groove.
As an optimized technical scheme of the utility model, protection crust and fire-resistant mounting bracket all adopt low smoke and zero halogen flame retardant material to make.
As an optimal technical scheme of the utility model, fire-retardant filler that drops is cable fire prevention mud filler.
As an optimized technical scheme of the utility model, evenly laid a plurality of support archs between crosslinked polyethylene insulating layer and the protective sheath.
As an optimized technical scheme of the utility model, the support arch is fire-retardant ceramic granule.
As an optimal technical scheme of the utility model, the conductor is formed by many sinle silks transposition.
Compared with the prior art, the beneficial effects of the utility model are that: through setting up the protective sheath, fire-retardant filling block, support protruding, the crosslinked polyethylene insulating layer, the mica tape is convenient for improve the refractiveness of this low smoke and zero halogen type special cable around package insulating flame retardant coating and fire-resistant mounting bracket, be convenient for break away from with conductor and fire-resistant mounting bracket after catching fire through setting up fire-retardant filler that drops, avoid leading to the cable to lose the function at once, and then avoid leading to the motor car emergence accident after catching fire, be convenient for improve the pliability of this low smoke and zero halogen type special cable through setting up elastic rubber strip and flexible guide post, prevent that excessive bending from leading to this low smoke and zero halogen type special cable to damage, the practicality is stronger.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the local cross-section structure of the present invention.
In the figure: the flame-retardant mica tape packaging structure comprises a protective outer skin 1, an elastic rubber strip 2, a flame-retardant filling block 3, a supporting protrusion 4, a crosslinked polyethylene insulating layer 5, a mica tape wrapping insulating fire-resistant layer 6, a conductor 7, a shielding layer 8, a fire-resistant mounting frame 9, a flexible guide column 10 and a flame-retardant falling filler 11.
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.
Referring to fig. 1-2, the present invention provides a technical solution: a low-smoke halogen-free special cable comprises a protective sheath 1, a plurality of elastic rubber strips 2 are uniformly distributed on the outer surface of the protective sheath 1, a crosslinked polyethylene insulating layer 5 is wrapped in the protective sheath 1, a mica tape wrapping insulating fire-resistant layer 6 is wrapped in the crosslinked polyethylene insulating layer 5, the mica tape wrapping insulating fire-resistant layer 6 is internally provided with a plurality of flame-retardant filling blocks 3 distributed in an annular shape, a flame-resistant mounting rack 9 is contained in a cavity formed by the surrounding of the flame-retardant filling blocks 3, a flame-retardant falling filler 11 is filled in a gap between the mica tape wrapping insulating fire-resistant layer 6 and the flame-retardant filling blocks 3, the flame-resistant mounting rack 9 is uniformly provided with a plurality of conductor mounting grooves, conductors 7 are mounted in the conductor mounting grooves, shielding layers 8 positioned in the conductor mounting grooves are wrapped outside the conductors 7, guide grooves are formed in the center position of the flame-resistant mounting rack 9, be equipped with flexible guide post 10 in the guide way, protection crust 1 and fire-resistant mounting bracket 9 all adopt low smoke and zero halogen flame retardant material to make, and fire-retardant filler 11 that drops is cable fire prevention mud filler, evenly has laid a plurality of support archs 4 between crosslinked polyethylene insulation layer 5 and the protection crust 1, and support archs 4 are fire-retardant ceramic particle, and conductor 7 is formed by many sinle silk transposition.
When in use: the outer peripheral surface of the protective sheath 1 is uniformly provided with a plurality of elastic rubber strips 2 to enhance the flexibility of the low-smoke halogen-free special cable, a crosslinked polyethylene insulating layer 5 is arranged in the protective sheath 1, supporting bulges 4 are uniformly arranged between the crosslinked polyethylene insulating layer 5 and the protective sheath 1, a mica tape wrapping insulating fire-resistant layer 6 is arranged on the inner side of the crosslinked polyethylene insulating layer 5, a plurality of flame-retardant filling blocks 3 are annularly arranged on the inner side of the mica tape wrapping insulating fire-resistant layer 3, a fire-resistant mounting frame 9 is arranged on the inner side of the flame-retardant filling blocks 3, the fire resistance of the low-smoke halogen-free special cable is improved, gaps between the inner side of the mica tape wrapping insulating fire-resistant layer 6 and the plurality of flame-retardant filling blocks 3 are filled with flame-retardant falling fillers 11, the flame-retardant falling fillers 11 are dropped after firing to protect the conductor 7, and prevent the cable from losing functions immediately after firing, and then avoid causing the motor car accident because of this low smoke and zero halogen type special cable catches fire, install a plurality of conductors 7 in the conductor mounting groove on fire-resistant mounting bracket 9, set up flexible guide post 10 in the guide way of fire-resistant mounting bracket 9 central point department, further strengthen this low smoke and zero halogen type special cable's pliability.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A low smoke and zero halogen type special cable is characterized in that: including protective sheath (1), a plurality of elastic rubber strip (2) have evenly been laid to the surface of protective sheath (1), the parcel has crosslinked polyethylene insulating layer (5) in protective sheath (1), the parcel has the mica tape around package insulating flame retardant coating (6) in crosslinked polyethylene insulating layer (5), the mica tape has held a plurality of fire-retardant filling block (3) that are the annular and distribute around package insulating flame retardant coating (6), and is a plurality of fire-retardant mounting bracket (9) has been held in the cavity that fire-retardant filling block (3) surround and form, the mica tape is around package insulating flame retardant coating (6) and a plurality of space intussuseption between fire-retardant filling block (3) is filled with fire-retardant filler (11) that drops, fire-retardant mounting bracket (9), a plurality of conductor mounting grooves have evenly been seted up on fire-retardant mounting bracket (9), conductor (7) is installed to the conductor mounting groove, the shielding layer (8) located in the conductor mounting groove is wrapped outside the conductor (7), a guide groove is formed in the center of the fire-resistant mounting frame (9), and a flexible guide column (10) is arranged in the guide groove.
2. The low smoke zero halogen type special cable according to claim 1, characterized in that: the protective outer skin (1) and the fire-resistant mounting rack (9) are both made of low-smoke halogen-free flame-retardant materials.
3. The low smoke zero halogen type special cable according to claim 1, characterized in that: the flame-retardant falling filler (11) is a cable fireproof mud filler.
4. The low smoke zero halogen type special cable according to claim 1, characterized in that: a plurality of supporting bulges (4) are uniformly distributed between the crosslinked polyethylene insulating layer (5) and the protective outer skin (1).
5. The low smoke zero halogen type special cable according to claim 4, characterized in that: the supporting protrusions (4) are made of flame-retardant ceramic particles.
6. The low smoke zero halogen type special cable according to claim 1, characterized in that: the conductor (7) is formed by stranding a plurality of wire cores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120914390.9U CN215069340U (en) | 2021-04-29 | 2021-04-29 | Low-smoke halogen-free special cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120914390.9U CN215069340U (en) | 2021-04-29 | 2021-04-29 | Low-smoke halogen-free special cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215069340U true CN215069340U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120914390.9U Active CN215069340U (en) | 2021-04-29 | 2021-04-29 | Low-smoke halogen-free special cable |
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| Country | Link |
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| CN (1) | CN215069340U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114388185A (en) * | 2022-01-18 | 2022-04-22 | 广东南帆电器有限公司 | Compound flexible fireproof cable resistant to bending |
| CN114420359A (en) * | 2022-01-25 | 2022-04-29 | 迈特诺（马鞍山）特种电缆有限公司 | Low-smoke halogen-free crosslinked polyethylene high-voltage cable for new energy automobile |
| CN116453741A (en) * | 2023-02-11 | 2023-07-18 | 上进线缆有限公司 | Low-smoke halogen-free flame-retardant fire-resistant novel medium-voltage cable |
-
2021
- 2021-04-29 CN CN202120914390.9U patent/CN215069340U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114388185A (en) * | 2022-01-18 | 2022-04-22 | 广东南帆电器有限公司 | Compound flexible fireproof cable resistant to bending |
| CN114388185B (en) * | 2022-01-18 | 2022-09-27 | 广东南帆电器有限公司 | Compound flexible fireproof cable resistant to bending |
| CN114420359A (en) * | 2022-01-25 | 2022-04-29 | 迈特诺（马鞍山）特种电缆有限公司 | Low-smoke halogen-free crosslinked polyethylene high-voltage cable for new energy automobile |
| CN116453741A (en) * | 2023-02-11 | 2023-07-18 | 上进线缆有限公司 | Low-smoke halogen-free flame-retardant fire-resistant novel medium-voltage cable |
| CN116453741B (en) * | 2023-02-11 | 2023-09-12 | 上进线缆有限公司 | Low-smoke halogen-free flame-retardant fire-resistant novel medium-voltage cable |
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