CN212380132U - Copper core crosslinked polyethylene insulation halogen-free low-smoke flame-retardant power cable - Google Patents
Copper core crosslinked polyethylene insulation halogen-free low-smoke flame-retardant power cable Download PDFInfo
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- CN212380132U CN212380132U CN202021452169.8U CN202021452169U CN212380132U CN 212380132 U CN212380132 U CN 212380132U CN 202021452169 U CN202021452169 U CN 202021452169U CN 212380132 U CN212380132 U CN 212380132U
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Abstract
The utility model discloses a low fire-retardant power cable of steamed low cigarette of copper core crosslinked polyethylene insulation, including conductive core, conductive core outside wraps up in proper order and sets up sinle silk insulating layer, sinle silk shielding layer and anti-aging layer and constitutes independent sinle silk. The utility model discloses a pack insulating material in the inside of insulated cable main part, insulating material wraps up three conductive core as an organic whole, and the design is fixed, can be better avoid the friction in the cable, the installation stability ability of cable has obtained better guarantee, the working property is also more stable, it is not good enough to have solved the stable form of current cable overall structure, easily appear damaging along with the increase of live time, influence the problem of whole security performance; the reinforcing wire is arranged, so that the overall strength of the cable is improved, the shielding layer is resistant to electromagnetic interference, the fireproof sleeve plays a role in realizing flame retardance and protection, and the service quality and service life of the cable are effectively improved.
Description
Technical Field
The utility model belongs to the technical field of the cable, especially, relate to a copper core crosslinked polyethylene insulation does not have steamed low fire-retardant power cable of cigarette.
Background
Cables are generally made up of several wires or groups of wires, made up of one or more conductors insulated from each other and an outer insulating sheath, which carries power or information from one place to another. The cable has the characteristics of internal electrification and external insulation. The cables used for connecting the circuits and the electric appliances include power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables and the like.
However, the existing cable is unreasonable in structural design, and the overall structural stability is not good enough, so that the existing cable is easy to be damaged along with the increase of the service time, and the overall safety performance is affected; inside cable core laminates each other, and when the conflagration breaing out, the cable can not bear high temperature, causes the damage of cable core insulating layer, and then appears the short circuit phenomenon between the cable core, and the fire prevention insulating filler that space department between the cable core of laminating design was filled is not enough even, leads to local area not to have the fire prevention insulating filler, has the potential safety hazard, and once the conflagration takes place, the cable is cut off, will lead to the fact very big difficulty to rescue and flee for one's life.
Therefore, the existing requirements are not met, and the problem of solving the problem is solved by providing the insulated cable with fireproof and fire-resistant functions.
SUMMERY OF THE UTILITY MODEL
The utility model provides a copper core crosslinked polyethylene insulation does not have steamed low fire-retardant power cable of cigarette.
The utility model discloses a following technical scheme realizes: including the conductive core, its characterized in that: the outside parcel of conductive core sets up sinle silk insulating layer, sinle silk shielding layer and anti-aging layer in proper order and constitutes independent sinle silk, wherein, independent sinle silk has three, three independent sinle silk equipartition is in wear-resisting interior sleeve pipe in the wear-resisting interior intussuseption is filled with insulating material, and insulating material wraps up three conductive core as an organic whole to it is fixed to stereotype, wear-resisting interior sleeve pipe outside from interior and set gradually secondary shielding layer, fire prevention cover, armor and insulating wear-resisting skin outward.
The utility model has the advantages that:
1. the utility model discloses an at the inside packing insulating material of insulated cable main part, insulating material wraps up three conductive core as an organic whole to the design is fixed, the inside friction of avoiding the cable that can be better, the installation stability can of cable has obtained better guarantee, and the working property is also more stable, and the stable form of having solved current cable overall structure is not good enough, appears damaged along with the increase of live time easily, influences the problem of whole security performance.
2. The utility model discloses a be provided with the armor, the inside insulated cable main part of protection that can be better avoids because the damage that the long-time friction that uses produced to and be bitten bad by the toy, through being provided with the insulating cover of multilayer, the insulating properties of guarantee cable that can be better, safer, overall structure's factor of safety is higher.
3. The utility model discloses a set up the enhancement line and improved cable bulk strength, shielding layer anti-electromagnetic interference, the fire prevention cover plays the effect that realizes fire-retardant and protection, has effectively improved the quality of service and the life-span of cable.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the fireproof sleeve of the present invention;
reference numbers in the figures: 1-conductive wire core, 2-wire core insulating layer, 3-wire core shielding layer, 4-anti-aging layer, 5-insulating material, 6-wear-resistant inner sleeve, 7-secondary shielding layer, 8-fireproof sleeve, 8 a-wear-resistant-flame-retardant layer, 8 b-heat-preservation-water-isolation fire-proof layer, 8 c-fireproof layer, 9-armor layer, 10-insulation wear-resistant outer layer, 11-reinforcing wire, 12-stop block and 13-fire extinguishing powder.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is provided with reference to the accompanying drawings.
The copper core crosslinked polyethylene insulated halogen-free low-smoke flame-retardant power cable shown in figures 1-2 comprises a conductive wire core 1, the outside of the conductive wire core 1 is sequentially wrapped with a wire core insulating layer 2, a wire core shielding layer 3 and an anti-aging layer 4 to form an independent wire core, the wire core shielding layer 3 solves the electromagnetic interference among the conductive wire cores 1, wherein, the number of the independent wire cores is three, the three independent wire cores are evenly distributed in the wear-resistant inner sleeve 6, the wear-resistant inner sleeve 6 is filled with an insulating material 5, the three conductive wire cores 1 are wrapped into a whole by the insulating material 5, and the design is fixed, wear-resisting interior sleeve pipe 6 outside from interior to exterior sets gradually secondary shielding layer 7, fire prevention cover 8, armor 9 and insulating wear-resisting outer 10, and outside electromagnetic interference is solved to secondary shielding layer 7, and armor 9 then prevents to be bitten bad by the toy, and armor 9 combines insulating wear-resisting outer 10 still further to promote the barrier propterty of cable.
The insulating material 5 is internally provided with at least two reinforcing wires 11, the reinforcing wires 11 are steel wires, the strength of the cable is enhanced, the cable is resistant to stretching and breaking, the service life is prolonged, and the cable is convenient to wire.
The outer 10 outsides of insulating wear-resisting skin along cable length to equidistance or equidistance set up dog 12 not, the cross section of dog 12 is crescent arc structure, fixed cable threading when conveniently laying wire.
The fireproof sleeve 8 comprises three layers, which are respectively arranged into a wear-resistant and flame-retardant layer 8a, a heat-preservation and water-proof fire-insulating layer 8b and a fireproof layer 8c from outside to inside.
The circumference all is provided with the several micropore in the flame retardant coating 8c of fire prevention cover 8, fills extinguishing powder 13 in each micropore, still can protect the fire-retardant of cable when flame retardant coating breaks.
The length of dog 12 be 3 ~ 5mm, the highest department of dog 12 is 1 ~ 3mm to the height of insulating wear-resisting outer 10.
The fireproof sleeve 8 is a polyvinyl chloride sheath or a flame-retardant low-smoke halogen-free polyolefin sheath layer.
The wire core shielding layer 3 and the secondary shielding layer 7 are electromagnetic shielding layers.
The conductive wire core 1 is made of copper.
Claims (9)
1. The utility model provides a copper core crosslinked polyethylene insulation does not have steamed low fire-retardant power cable of cigarette, includes conductive core (1), its characterized in that: the utility model discloses a wear-resisting insulation layer, including conductive core (1), sinle silk shielding layer (3) and anti-aging layer (4), the outer portion of conductive core (1) wraps up in proper order sets up sinle silk insulating layer (2), sinle silk shielding layer (3) and constitutes independent sinle silk, wherein, independent sinle silk has three, three independent sinle silk equipartition is in wear-resisting interior sleeve pipe (6) it has insulating material (5) to fill in wear-resisting interior sleeve pipe (6), and insulating material (5) wraps up three conductive core (1) as an organic whole to it is fixed to stereotype, wear-resisting interior sleeve pipe (6) outside from interior and set gradually secondary shielding layer (7), fire prevention cover (8), armor.
2. The copper core crosslinked polyethylene insulated halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: at least two reinforcing wires (11) are arranged in the insulating material (5), and the reinforcing wires (11) are steel wires.
3. The copper core crosslinked polyethylene insulated halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: the outer layer (10) of insulating wear-resisting outside along cable length to equidistance or equidistance set up dog (12), the cross section of dog (12) is crescent arc structure.
4. The copper core crosslinked polyethylene insulated halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: the fireproof sleeve (8) has three layers, which are respectively arranged into a wear-resistant and flame-retardant layer (8a), a heat-insulating and water-proof fire-insulating layer (8b) and a fireproof layer (8c) from outside to inside.
5. The copper core crosslinked polyethylene insulated halogen-free low-smoke flame-retardant power cable according to claim 4, characterized in that: the fire-proof layer (8c) of the fire-proof sleeve (8) is provided with a plurality of micropores at the circumference, and fire-extinguishing powder (13) is filled in each micropore.
6. The copper core crosslinked polyethylene insulated halogen-free low-smoke flame-retardant power cable according to claim 3, characterized in that: the length of dog (12) be 3 ~ 5mm, the highest department of dog (12) is 1 ~ 3mm to the height of insulating wear-resisting skin (10).
7. The copper core crosslinked polyethylene insulated halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: the fireproof sleeve (8) is a polyvinyl chloride sheath or a flame-retardant low-smoke halogen-free polyolefin sheath layer.
8. The copper core crosslinked polyethylene insulated halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: the wire core shielding layer (3) and the secondary shielding layer (7) are electromagnetic shielding layers.
9. The copper core crosslinked polyethylene insulated halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: the conductive wire core (1) is made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021452169.8U CN212380132U (en) | 2020-07-22 | 2020-07-22 | Copper core crosslinked polyethylene insulation halogen-free low-smoke flame-retardant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021452169.8U CN212380132U (en) | 2020-07-22 | 2020-07-22 | Copper core crosslinked polyethylene insulation halogen-free low-smoke flame-retardant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212380132U true CN212380132U (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021452169.8U Active CN212380132U (en) | 2020-07-22 | 2020-07-22 | Copper core crosslinked polyethylene insulation halogen-free low-smoke flame-retardant power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212380132U (en) |
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2020
- 2020-07-22 CN CN202021452169.8U patent/CN212380132U/en active Active
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