CN211858229U - High temperature resistant environment-friendly fire prevention power flexible cable - Google Patents
High temperature resistant environment-friendly fire prevention power flexible cable Download PDFInfo
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- CN211858229U CN211858229U CN202020650760.8U CN202020650760U CN211858229U CN 211858229 U CN211858229 U CN 211858229U CN 202020650760 U CN202020650760 U CN 202020650760U CN 211858229 U CN211858229 U CN 211858229U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- 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 high temperature resistant environment-friendly fire prevention power flexible cable has solved the not enough of prior art, including the cable core, the cable core is established in the fire-retardant package of low smoke and zero halogen, and the fire-retardant band outsourcing of low smoke and zero halogen is equipped with the fire-retardant polyolefin restrictive coating of irradiation crosslinking low smoke and zero halogen, and the cable core includes conductor and filling rope, and conductor and filling rope transposition of each other are connected, the conductor include copper conductor, flame retardant coating and the fire-retardant polyolefin insulating bed of irradiation crosslinking low smoke and zero halogen, copper conductor outsourcing is equipped with the flame retardant coating, the flame retardant coating outsourcing is equipped with the.
Description
Technical Field
The utility model relates to a cable especially indicates a high temperature resistant environment-friendly fire prevention power flexible cable.
Background
The common silane crosslinked polyethylene insulated cable in the national standard has the temperature resistance of only 90 ℃ and does not have low-smoke halogen-free environmental protection performance, so that the design structure of the whole power flexible cable does not have the high-temperature resistance environmental protection performance.
With the progress of society, scientific development and improvement of environmental awareness of people, the demand of the irradiation crosslinking halogen-free low-smoke flame-retardant wire and cable is larger and larger, and the irradiation crosslinking cable has the characteristics of environmental protection, safety and the like. The irradiation crosslinking low-smoke halogen-free cable is a novel environment-friendly product because the materials adopted by the cable are halogen-free environment-friendly materials, and corrosive gas and toxic gas are not released during combustion, so that secondary harm is avoided, and the modern fire safety requirement is met. The irradiation crosslinked cable has long service life and strong overload capacity: the polyolefin material after irradiation crosslinking has high temperature resistance and aging temperature, so that the service life of the cable in the use process of cyclic heating is prolonged. Meanwhile, the market also puts forward the requirement of fire prevention on the cable, and the market needs a safer and more environment-friendly cable. Therefore, it is necessary to design a radiation-crosslinked, fireproof power flexible cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcoming among the prior art, provide a high temperature resistant environment-friendly fire prevention power flexible cable.
The utility model aims at realizing through the following technical scheme:
the utility model provides a high temperature resistant environment-friendly fire prevention power flexible cable, includes the cable core, the cable core is established in the fire-retardant package of low smoke and zero halogen, and the fire-retardant package outsourcing of low smoke and zero halogen is equipped with irradiation cross-linking low smoke and fire-retardant polyolefin restrictive coating, and the cable core includes conductor and packing rope, and conductor and packing rope transposition connection of each other, the conductor include copper conductor, flame retardant coating and irradiation cross-linking low smoke and fire-retardant polyolefin insulating bed of material, copper conductor outsourcing is equipped with the flame retardant coating, the flame retardant coating outsourcing is equipped with irradiation. The production process of the cable is that, at first, to the copper conductor wrap the flame retardant coating outward, the flame retardant coating extrudes the cross-linking low smoke and zero halogen flame retardant polyolefin insulating material layer of parcel outward, carries out the irradiation cross-linking after the extrusion molding, then the conductor is whole and the packing rope transposition of each other, wraps the fire retardant area of low smoke and zero halogen around the package, and the fire retardant polyolefin restrictive coating material of zero smoke and zero halogen of crowded package irradiation cross-linking outward of low smoke and zero halogen accomplishes the stranding process at last.
As a preferred scheme, the copper conductor is formed by stranding a plurality of strands of soft copper wires.
Preferably, the number of the conductors is 2-4, the number of the filling ropes is equal to that of the conductors, and the conductors and the filling ropes are stranded in a cable.
As a preferred scheme, the number of the layers of the low-smoke halogen-free flame-retardant wrapping tape is 3-5.
As a preferred scheme, the irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin sheath material is a 125 ℃ irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin sheath material, and the irradiation crosslinking low-smoke halogen-free flame-retardant polyolefin insulation material layer is a 125 ℃ irradiation crosslinking low-smoke halogen-free flame-retardant polyolefin insulation material layer.
As a preferred scheme, the filling ropes are distributed in a geometric symmetrical shape in the low-smoke halogen-free flame-retardant wrapping tape.
Preferably, the fire-proof layer is a calcined mica tape.
The utility model has the advantages that:
1. the product has high temperature resistance level and excellent aging resistance, and the service life of the cable is far longer than that of the conventional national standard product.
2. The product has the advantages of low smoke, zero halogen and environmental protection, no halogen and no toxicity at high temperature or during combustion, ensures the life safety of people, does not corrode precision equipment, and does not pollute the atmospheric environment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1. the cable comprises a copper conductor, 2, a fireproof layer, 3, an irradiation crosslinking low-smoke halogen-free flame-retardant polyolefin insulating material layer, 4, a filling rope, 5, a low-smoke halogen-free flame-retardant wrapping tape and 6, an irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin sheath material.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Example (b): the utility model provides a high temperature resistant environment-friendly fire prevention power flexible cable, as shown in figure 1, including the cable core, the cable core is established in low smoke and zero halogen fire-retardant band 5, and low smoke and zero halogen fire-retardant band outsourcing is equipped with irradiation cross-linking low smoke and zero halogen fire-retardant polyolefin sheath material 6, and the cable core includes conductor and packing rope, and conductor and packing rope transposition connection each other, the conductor include copper conductor 1, flame retardant coating 2 and irradiation cross-linking low smoke and zero halogen fire-retardant polyolefin insulating material layer 3, copper conductor outsourcing is equipped with the flame retardant coating, the flame retardant coating outsourcing is equipped with irradiation cross. The copper conductor is formed by twisting a plurality of strands of soft copper wires. The quantity of conductor be 3, the quantity of filling rope 4 equal with the quantity of conductor, conductor and filling rope stranding transposition. The number of layers of the low-smoke halogen-free flame-retardant wrapping tape is 4. The irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin sheath material is a 125 ℃ irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin sheath material, and the irradiation crosslinking low-smoke halogen-free flame-retardant polyolefin insulation material layer is a 125 ℃ irradiation crosslinking low-smoke halogen-free flame-retardant polyolefin insulation material layer. The filling ropes are distributed in a geometric symmetrical shape in the low-smoke halogen-free flame-retardant wrapping tape. The fireproof layer is a calcined mica tape wrapped by 2 layers of which the thickness is 0.2 mm. The whole cable structure has low smoke halogen-free environment-friendly performance, the light transmittance can reach more than 90 percent, the calcined mica tape has excellent high temperature resistance and combustion resistance, the temperature resistance is more than 1000 ℃, and the A-level fire resistance level (950-1000 ℃) can be reached by wrapping 2 layers of the calcined mica tape.
The above-described embodiment is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the invention as set forth in the claims.
Claims (7)
1. The utility model provides a high temperature resistant environment-friendly fire prevention power flexible cable, characterized by, includes the cable core, the cable core is established in the fire-retardant package of low smoke and zero halogen, and the fire-retardant package outsourcing of low smoke and zero halogen is equipped with irradiation cross-linking low smoke and fire-retardant polyolefin sheath material, and the cable core includes conductor and packing rope, and conductor and packing rope transposition connection of each other, the conductor include copper conductor, flame retardant coating and irradiation cross-linking low smoke and fire-retardant polyolefin insulation material layer, copper conductor outsourcing is equipped with the flame retardant coating, the flame retardant coating outsourcing is equipped with irradiation.
2. The high temperature resistant environment-friendly fireproof power flexible cable as claimed in claim 1, wherein the copper conductor is formed by stranding a plurality of strands of soft copper wires.
3. The high temperature resistant environment-friendly fireproof power flexible cable as claimed in claim 1, wherein the number of the conductors is 2-4, the number of the filling ropes is equal to the number of the conductors, and the conductors and the filling ropes are stranded by cabling.
4. The high temperature resistant environment-friendly fireproof power flexible cable according to claim 1, characterized in that the number of the low smoke halogen-free flame retardant wrapping tape is 3-5.
5. The high temperature resistant environment-friendly fireproof power flexible cable according to claim 1, characterized in that the irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin sheath material is a 125 ℃ irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin sheath material, and the irradiation crosslinking low-smoke halogen-free flame-retardant polyolefin insulation material layer is a 125 ℃ irradiation crosslinking low-smoke halogen-free flame-retardant polyolefin insulation material layer.
6. The high temperature resistant environment-friendly fireproof power flexible cable according to claim 3, wherein the filling ropes are distributed in a geometric symmetrical shape in the low smoke halogen-free flame retardant wrapping tape.
7. The high temperature resistant environment-friendly fireproof power flexible cable as claimed in claim 1, wherein the fireproof layer is a calcined mica tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020650760.8U CN211858229U (en) | 2020-04-26 | 2020-04-26 | High temperature resistant environment-friendly fire prevention power flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020650760.8U CN211858229U (en) | 2020-04-26 | 2020-04-26 | High temperature resistant environment-friendly fire prevention power flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211858229U true CN211858229U (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020650760.8U Active CN211858229U (en) | 2020-04-26 | 2020-04-26 | High temperature resistant environment-friendly fire prevention power flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211858229U (en) |
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2020
- 2020-04-26 CN CN202020650760.8U patent/CN211858229U/en active Active
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