CN216250043U - Low-smoke halogen-free flame-retardant insulating flat cable - Google Patents
Low-smoke halogen-free flame-retardant insulating flat cable Download PDFInfo
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- CN216250043U CN216250043U CN202122954086.XU CN202122954086U CN216250043U CN 216250043 U CN216250043 U CN 216250043U CN 202122954086 U CN202122954086 U CN 202122954086U CN 216250043 U CN216250043 U CN 216250043U
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Abstract
The utility model discloses a low-smoke halogen-free flame-retardant insulated flat cable, which comprises a flat cable main body; the cable main body comprises a plurality of insulated cables which are transversely arranged at intervals and a flame-retardant sheath which wraps the insulated cables; the flame-retardant sheath is of a flat integral structure and is made of a polyether-ether-ketone material; the upper surface and the lower surface of the flame-retardant sheath are respectively provided with a plurality of corresponding wear-resistant raised lines which are arranged at intervals. The flame-retardant sheath is made of a polyether-ether-ketone material, has good flame-retardant performance, and enables the outer surface of the cable to have wear resistance and corrosion resistance. The cable can avoid corrosive gas or liquid generated in fire disasters from corroding the cable to cause the cable to lose efficacy.
Description
Technical Field
The utility model relates to the technical field of wires and cables, in particular to a low-smoke halogen-free flame-retardant insulated flat cable.
Background
With the continuous improvement of safety consciousness of people, the requirements of the application end on the safety performance of the wire and the cable are also continuously improved. How to maintain line integrity in extreme environments is an important direction in the development of wire and cable. Conventional cables cannot simultaneously have multiple high-quality performances, and when a fire disaster happens in a laying environment, the cables are easily ablated by flame or internally expanded and damaged due to high temperature.
In order to meet various requirements under severe working environment and meet the requirement on the cable, the application provides a low-smoke halogen-free flame-retardant insulated flat cable.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defects, the utility model provides a low-smoke halogen-free flame-retardant insulated flat cable.
In order to solve the problems, the utility model is realized according to the following technical scheme:
the utility model relates to a low-smoke halogen-free flame-retardant insulated flat cable, which comprises a flat cable main body;
the cable main body comprises a plurality of insulated cables which are transversely arranged at intervals and a flame-retardant sheath which wraps the insulated cables;
the flame-retardant sheath is of a flat integral structure and is made of a polyether-ether-ketone material;
the upper surface and the lower surface of the flame-retardant sheath are respectively provided with a plurality of corresponding wear-resistant raised lines which are arranged at intervals.
Preferably, a plurality of tensile filling ropes corresponding to the wear-resistant convex strips are arranged in the flame-retardant sheath.
Preferably, the tensile filling rope is formed by twisting stainless steel wires.
Preferably, the insulated cable comprises a conductor, an insulating layer and a flame-retardant layer which are arranged in sequence from inside to outside.
Preferably, the insulating layer is a crosslinked polyethylene insulating layer.
Preferably, the flame-retardant layer is a halogen-free low-smoke flame-retardant polyolefin outer sheath.
Preferably, the low smoke zero halogen flame retardant flat insulated cable is provided with 3 insulated cables.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the plurality of insulated cables are manufactured into the flat cable, so that the problem of laying a single cable in the prior art can be solved, a plurality of cables can be laid together with the conductive cables, and the laying time is shortened.
2. The flame-retardant sheath is made of a polyether-ether-ketone material, so that the outer surface of the cable has wear resistance and corrosion resistance. The cable can avoid corrosive gas or liquid generated in fire disasters from corroding the cable to cause the cable to lose efficacy.
The polyether-ether-ketone (PEEK) has higher melting point (334 ℃) and glass transition temperature (143 ℃), and the continuous use temperature is 260 ℃; the use requirement of the cable in a high-temperature environment is met. The polyether-ether-ketone has self-extinguishing property, and can reach 94V-0 grade of UL standard and the optimal grade of flame retardance even if no flame retardant is added.
3. The upper surface and the lower surface of the flame-retardant sheath are respectively provided with a plurality of corresponding wear-resistant raised lines which are arranged at intervals. When the stranding, through the wear-resisting sand grip that adopts wear-resisting material and innovative design, improve the mechanical strength and the wear resistance of cable, and prevent effectively that the cable from wearing and tearing etc. damage in the work progress.
Drawings
Embodiments of the utility model are described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic cross-sectional view of a low-smoke halogen-free flame-retardant flat insulated cable according to the present invention.
In the figure:
10-an insulated cable;
20-flame-retardant sheath and 21-wear-resistant convex strip;
30-tensile filler rope.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in FIG. 1, the preferred structure of the low-smoke halogen-free flame-retardant flat insulated cable is disclosed in the utility model.
As shown in fig. 1, the low-smoke halogen-free flame-retardant flat insulated cable comprises a flat cable body. The cable main body comprises a plurality of insulated cables 10 which are transversely arranged at intervals and a flame-retardant sheath 20 which wraps the insulated cables; the flame-retardant sheath 20 is a flat integral structure, and the flame-retardant sheath 20 is made of a polyether-ether-ketone material.
According to the utility model, the plurality of insulated cables are manufactured into the flat cable, so that the problem of laying a single cable in the prior art can be solved, a plurality of cables can be laid together with the conductive cables, and the laying time is shortened.
The polyether-ether-ketone (PEEK) has higher melting point (334 ℃) and glass transition temperature (143 ℃), and the continuous use temperature is 260 ℃; the use requirement of the cable in a high-temperature environment is met. The polyether-ether-ketone has self-extinguishing property, and can reach 94V-0 grade of UL standard and the optimal grade of flame retardance even if no flame retardant is added. The flame-retardant sheath is made of a polyether-ether-ketone material, so that the outer surface of the cable has wear resistance and corrosion resistance. The cable can avoid corrosive gas or liquid generated in fire disasters from corroding the cable to cause the cable to lose efficacy.
Preferably, the upper surface and the lower surface of the flame-retardant sheath 20 are respectively provided with a plurality of corresponding wear-resistant ribs 21, and the plurality of wear-resistant ribs 21 are arranged at intervals. When the stranding, through the wear-resisting sand grip that adopts wear-resisting material and innovative design, improve the mechanical strength and the wear resistance of cable, and prevent effectively that the cable from wearing and tearing etc. damage in the work progress.
Further, in order to improve the tensile property of the flat cable, a plurality of tensile filling ropes 30 corresponding to the wear-resistant convex strips are arranged in the flame-retardant sheath. The tensile filling ropes and the wear-resistant raised lines are arranged correspondingly, and the number and the position relations are corresponding. Tensile filling rope corresponds adjacent establishing with wear-resisting sand grip, the mechanical properties of cable that both can better improve.
Wherein, the tensile filling rope 30 is formed by twisting stainless steel wires. The tensile strength and the yield strength of the stainless steel wire are far higher than those of the insulated wire cores, and when external force pulls the cable, the pulling force can be concentrated on the tensile filling rope, so that the insulated wire cores are prevented from being pulled and broken, and the cable has strong tensile performance.
As shown in fig. 1, the insulated cable 10 includes a conductor, an insulating layer, and a flame retardant layer, which are sequentially disposed from the inside to the outside.
In a preferred implementation, the insulating layer is a crosslinked polyethylene insulating layer. The flame-retardant layer is a halogen-free low-smoke flame-retardant polyolefin outer sheath.
In a preferred implementation, the low-smoke halogen-free flame-retardant flat insulated cable is provided with 3 insulated cables, and the upper surface and the lower surface of the flame-retardant sheath are respectively provided with 2 wear-resistant raised lines and 4 tensile filling ropes.
Other structures of the low-smoke halogen-free flame-retardant insulated flat cable are shown in the prior art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (7)
1. A low-smoke halogen-free flame-retardant insulated flat cable is characterized by comprising a flat cable main body;
the cable main body comprises a plurality of insulated cables which are transversely arranged at intervals and a flame-retardant sheath which wraps the insulated cables;
the flame-retardant sheath is of a flat integral structure and is made of a polyether-ether-ketone material;
the upper surface and the lower surface of the flame-retardant sheath are respectively provided with a plurality of corresponding wear-resistant raised lines which are arranged at intervals.
2. The low-smoke halogen-free flame-retardant insulated flat cable according to claim 1, characterized in that:
and a plurality of tensile filling ropes corresponding to the wear-resistant convex strips are arranged in the flame-retardant sheath.
3. The low-smoke halogen-free flame-retardant insulated flat cable according to claim 2, characterized in that:
the tensile filling rope is formed by twisting stainless steel wires.
4. The low-smoke halogen-free flame-retardant insulated flat cable according to claim 1, characterized in that:
the insulated cable comprises a conductor, an insulating layer and a flame-retardant layer which are sequentially arranged from inside to outside.
5. The low-smoke halogen-free flame-retardant insulated flat cable according to claim 4, characterized in that:
the insulating layer is a crosslinked polyethylene insulating layer.
6. The low-smoke halogen-free flame-retardant insulated flat cable according to claim 4, characterized in that:
the flame-retardant layer is a halogen-free low-smoke flame-retardant polyolefin outer sheath.
7. The low-smoke halogen-free flame-retardant insulated flat cable according to claim 4, characterized in that:
the low-smoke halogen-free flame-retardant insulated flat cable is provided with 3 insulated cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122954086.XU CN216250043U (en) | 2021-11-29 | 2021-11-29 | Low-smoke halogen-free flame-retardant insulating flat cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122954086.XU CN216250043U (en) | 2021-11-29 | 2021-11-29 | Low-smoke halogen-free flame-retardant insulating flat cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216250043U true CN216250043U (en) | 2022-04-08 |
Family
ID=80958056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122954086.XU Active CN216250043U (en) | 2021-11-29 | 2021-11-29 | Low-smoke halogen-free flame-retardant insulating flat cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216250043U (en) |
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2021
- 2021-11-29 CN CN202122954086.XU patent/CN216250043U/en active Active
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