CN212113264U - Novel environment-friendly cable - Google Patents
Novel environment-friendly cable Download PDFInfo
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- CN212113264U CN212113264U CN202020963999.0U CN202020963999U CN212113264U CN 212113264 U CN212113264 U CN 212113264U CN 202020963999 U CN202020963999 U CN 202020963999U CN 212113264 U CN212113264 U CN 212113264U
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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 relates to the technical field of cables, a novel environmental protection cable is disclosed, it includes conductor, conductor shielding layer, insulating layer, insulation shielding layer, semiconduction buffering water-blocking layer, metal sheath layer and the fire-retardant oversheath layer of steamed low cigarette of no halogen that from interior to exterior stacked gradually the setting, the insulating layer is the polypropylene insulating layer, the polypropylene insulating layer crowded package in the outward appearance of conductor shielding layer, insulation shielding layer by insulation shielding material crowded package in the outward appearance of insulating layer forms. The utility model provides a novel environmental protection cable to reach the insulating layer environmental protection and the good advantage of fire resistance.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a novel environmental protection cable.
Background
At present, along with the increasing importance of people on self safety, the reliability and safety of a power supply system are receiving more and more attention. The existing power cable basically takes crosslinked polyethylene and polyvinyl fluoride as insulating layers, and the power cable taking the crosslinked polyethylene as the insulating layer has good electrical property, mechanical property and chemical laying resistance, but the crosslinked polyethylene cannot be directly recycled, the processing energy consumption of the crosslinked polyethylene is large, toxic gas can be generated in the processing process, and the requirements of environmental protection are not met. In addition, although the power cable with the polyvinyl fluoride as the insulating layer can be directly recycled, the polyvinyl fluoride has low temperature resistance level, small carrying capacity and poor flame retardant property, and the polyvinyl fluoride can release a large amount of harmful smoke after burning to affect evacuation and escape of people.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the utility model provides a novel environmental protection cable to make the cable can reach the insulating layer environmental protection and the good advantage of fire resistance.
In order to realize the above-mentioned purpose, the utility model provides a novel environmental protection cable, it includes conductor, conductor shielding layer, insulating layer, insulation shielding layer, semiconduction buffering water-blocking layer, metal sheath layer and the fire-retardant oversheath layer of steamed low cigarette of the interior to outer range upon range of setting in proper order, the insulating layer is the polypropylene insulating layer, the polypropylene insulating layer crowded package in the outward appearance of conductor shielding layer, insulation shielding layer by the crowded package of insulation shielding material in the outward appearance of insulating layer forms.
Optionally, the conductor is formed by twisting a plurality of single wires.
Optionally, the conductor shielding layer is formed by extruding conductor shielding material on the outer surface of the conductor.
Optionally, the semiconductive buffering water-blocking layer is formed by wrapping a plurality of semiconductive buffering water-blocking tapes on the outer surface of the insulating shielding layer.
Optionally, the number of layers of the semiconductive buffering water-blocking tape is 1-4.
Optionally, the metal sheath layer is formed by longitudinally wrapping, welding and binding a metal plate.
Optionally, the metal plate is one of a copper plate, an aluminum plate, or an aluminum alloy plate.
Optionally, the thickness of the metal plate is 0.2-2 mm.
Optionally, the halogen-free low-smoke flame-retardant outer sheath layer is formed by extruding halogen-free low-smoke flame-retardant polyolefin sheath material on the surface of the metal sheath layer.
Optionally, the conductor shielding layer, the insulating layer and the insulating shielding layer are co-extruded.
The embodiment of the utility model provides a novel environmental protection cable compares with prior art, and its beneficial effect lies in:
the novel environment-friendly cable provided by the embodiment of the utility model is provided with the insulating layer, the insulating layer is the polypropylene insulating layer, the polypropylene insulating layer is extruded on the outer surface of the conductor shielding layer, and the polypropylene insulating layer not only has good electrical performance, mechanical performance and high temperature resistance, but also has better current-carrying capacity and conveying capacity; in addition, the polypropylene is a colorless, nontoxic and odorless solid substance, and can be recycled, so that the requirement of environmental protection is met;
by arranging the metal sheath layer, the metal sheath layer has the advantages of excellent flame retardance, excellent corrosion resistance and high and low temperature resistance;
by arranging the halogen-free low-smoke flame-retardant outer sheath layer, the halogen-free low-smoke flame-retardant outer sheath layer has the advantages of excellent flame-retardant property, no halogen, low smoke and no toxicity, so that the halogen-free low-smoke flame-retardant outer sheath layer ensures that the cable does not drip when the cable is burnt in fire, and the integrity of the cable after burning is ensured;
therefore, the utility model discloses novel environmental protection cable has environmental protection and the good advantage of flame retardant property to certain popularization nature has.
Drawings
Fig. 1 is a schematic structural diagram of a novel environment-friendly cable according to an embodiment of the present invention.
In the figure, 1, a conductor; 2. a conductor shield layer; 3. an insulating layer; 4. an insulating shield layer; 5. a semiconductive buffer water-resistant layer; 6. a metal sheath layer; 7. there is no halogen low smoke flame retardant oversheath layer.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those 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 particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1, the preferred embodiment of the present invention provides a novel environment-friendly cable, which comprises a conductor 1, a conductor shielding layer 2, an insulating layer 3, an insulation shielding layer 4, a semi-conductive buffer water-blocking layer 5, a metal sheath layer 6 and a halogen-free low-smoke flame-retardant outer sheath layer 7, wherein the conductor 1, the conductor shielding layer 2, the insulating layer 3, the insulation shielding layer 4, the insulation shielding layer 3, the insulation shielding material, the insulation shielding layer 4 and the insulation shielding material are sequentially stacked from inside to outside, the insulating layer 3 is a polypropylene insulating layer 3, the polypropylene insulating layer 3 is wrapped on the outer surface of the conductor shielding.
Based on the above arrangement, the novel environment-friendly cable provided by the embodiment of the invention has the advantages that by arranging the insulating layer 3, the insulating layer 3 is the polypropylene insulating layer 3, the polypropylene insulating layer 3 is extruded on the outer surface of the conductor shielding layer 2, and the polypropylene insulating layer 3 not only has good electrical performance, mechanical performance and high temperature resistance, but also has better current-carrying capacity and transmission capacity; in addition, the polypropylene is a colorless, nontoxic and odorless solid substance, and can be recycled, so that the requirement of environmental protection is met;
by arranging the metal sheath layer 6, the metal sheath layer 6 has the advantages of excellent flame retardance, excellent corrosion resistance and high and low temperature resistance;
by arranging the halogen-free low-smoke flame-retardant outer sheath layer 7, the halogen-free low-smoke flame-retardant outer sheath layer has the advantages of excellent flame-retardant property, no halogen, low smoke and no toxicity, so that the halogen-free low-smoke flame-retardant outer sheath layer 7 ensures that the cable does not drip when the cable is burnt in fire, and the integrity of the cable after burning is ensured;
therefore, the utility model discloses novel environmental protection cable has environmental protection and the good advantage of flame retardant property to certain popularization nature has.
In this embodiment, as shown in fig. 1, the conductor 1 is formed by twisting a plurality of single wires, where the single wires are copper wires, and the copper wires have good flexibility, so as to improve the flexibility of the cable, and enable the cable to be laid in a small space range.
In this embodiment, as shown in fig. 1, the conductor shielding layer 2 is formed by extruding a conductor 1 shielding material on the outer surface of the conductor 1, the conductor 1 shielding material can reduce the accumulation of charges to ensure the electrical reliability of the cable, wherein the conductor 1 shielding material may be composed of a wrapped semi-conductive tape and an extruded semi-conductive layer.
In this embodiment, as shown in fig. 1, the semi-conductive buffering water-blocking layer 5 is formed by wrapping a plurality of layers of semi-conductive buffering water-blocking tapes on the outer surface of the insulating shielding layer 4, and the semi-conductive buffering water-blocking tapes have good buffering and conducting functions, so as to effectively buffer the thermal expansion of the conductor 1, and simultaneously reduce the air gap discharge between the conductor 1 and the metal sheath layer 6, so as to prolong the service life of the cable.
In this embodiment, as shown in fig. 1, the number of layers of the semiconductive buffering water-blocking tape is 1 to 4, and preferably, the number of layers of the semiconductive buffering water-blocking tape is 2.
In this embodiment, as shown in fig. 1, the metal sheath layer 6 is formed by longitudinally wrapping, welding and threading a metal plate, the integrity and the sealing performance of the metal sheath layer 6 can be greatly improved after longitudinally wrapping and welding the metal plate, and the flexibility and the mechanical strength of the metal sheath layer 6 can be greatly improved after threading; in addition, the metal plate has higher melting point and heat-conducting property, so that the cable can be ensured to have good fireproof and fire-resistant properties; and the metal sheet has good metallic shield effect, and when the cable takes place the short circuit, the cable can be regarded as the short-circuit current channel simultaneously, allows single-phase short-circuit current bigger to make power supply system more stable.
In the present embodiment, as shown in fig. 1, the metal plate is one of a copper plate, an aluminum plate or an aluminum alloy plate, and preferably, the metal plate is an aluminum alloy plate, which can ensure the current-carrying capacity and also make the cable lighter and lower in cost.
In this embodiment, as shown in fig. 1, the thickness of the metal plate is 0.2-2 mm, and a user can select a suitable thickness of the metal strip as required.
In this embodiment, as shown in fig. 1, the halogen-free low-smoke flame-retardant outer sheath layer 7 is formed by extruding a halogen-free low-smoke flame-retardant polyolefin sheath material on the outer surface of the metal sheath layer 6, and the halogen-free low-smoke flame-retardant polyolefin sheath material has good halogen-free, low-smoke and flame-retardant properties, so that when the cable is burnt in fire, the halogen-free low-smoke flame-retardant outer sheath layer 7 ensures that the cable does not drip, and the integrity of the cable after burning is ensured.
In this embodiment, as shown in fig. 1, the conductor shielding layer 2, the insulating layer 3 and the insulation shielding layer 4 are co-extruded, and the three-layer structure of the conductor shielding layer 2, the insulating layer 3 and the insulation shielding layer 4 is co-extruded, so that the adjacent two layers are combined tightly, the cable quality is stable, and the eccentricity of the cable is convenient to control.
To sum up, the novel environment-friendly cable provided by the embodiment of the invention has the advantages that by arranging the insulating layer 3, the insulating layer 3 is the polypropylene insulating layer 3, the polypropylene insulating layer 3 is extruded on the outer surface of the conductor shielding layer 2, and the polypropylene insulating layer 3 not only has good electrical performance, mechanical performance and high temperature resistance, but also has better current-carrying capacity and transmission capacity; in addition, the polypropylene is a colorless, nontoxic and odorless solid substance, and can be recycled, so that the requirement of environmental protection is met;
by arranging the metal sheath layer 6, the metal sheath layer 6 has the advantages of excellent flame retardance, excellent corrosion resistance and high and low temperature resistance;
by arranging the halogen-free low-smoke flame-retardant outer sheath layer 7, the halogen-free low-smoke flame-retardant outer sheath layer has the advantages of excellent flame-retardant property, no halogen, low smoke and no toxicity, so that the halogen-free low-smoke flame-retardant outer sheath layer 7 ensures that the cable does not drip when the cable is burnt in fire, and the integrity of the cable after burning is ensured;
therefore, the utility model discloses novel environmental protection cable has environmental protection and the good advantage of flame retardant property to certain popularization nature has.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a novel environment-friendly cable, its characterized in that includes conductor, conductor shielding layer, insulating layer, insulation shielding layer, semiconduction buffering water-blocking layer, metal sheath layer and the fire-retardant oversheath layer of steamed low cigarette of no halogen that from interior to exterior stacked gradually the setting, the insulating layer is the polypropylene insulating layer, the polypropylene insulating layer crowded package in the outward appearance of conductor shielding layer, the insulation shielding layer by the crowded package of insulation shielding material in the outward appearance of insulating layer forms.
2. The new and environmentally friendly cable of claim 1, wherein said conductor is formed by stranding a plurality of individual wires.
3. The new and environmentally friendly cable of claim 1, wherein the conductive shield layer is formed by extruding a conductive shield material onto the outer surface of the conductor.
4. The novel environment-friendly cable as claimed in claim 1, wherein the semi-conductive buffer water-blocking layer is formed by wrapping a plurality of layers of semi-conductive buffer water-blocking tapes on the outer surface of the insulation shielding layer.
5. The novel environment-friendly cable as claimed in claim 4, wherein the number of layers of the semiconductive buffering water-blocking tape is 1-4.
6. The novel environment-friendly cable as claimed in claim 1, wherein the metal sheath layer is formed by longitudinally wrapping, welding and binding metal plates.
7. The novel environment-friendly cable according to claim 6, wherein the metal plate is one of a copper plate, an aluminum plate or an aluminum alloy plate.
8. The novel environment-friendly cable as claimed in claim 7, wherein the metal plate has a thickness of 0.2 to 2 mm.
9. The novel environment-friendly cable as claimed in claim 1, wherein the halogen-free low-smoke flame-retardant outer sheath layer is formed by extruding a halogen-free low-smoke flame-retardant polyolefin sheath material on the outer surface of the metal sheath layer.
10. The novel environmentally friendly cable of claim 1, wherein the conductor shield, the insulation layer, and the insulation shield are co-extruded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020963999.0U CN212113264U (en) | 2020-05-29 | 2020-05-29 | Novel environment-friendly cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020963999.0U CN212113264U (en) | 2020-05-29 | 2020-05-29 | Novel environment-friendly cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212113264U true CN212113264U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020963999.0U Active CN212113264U (en) | 2020-05-29 | 2020-05-29 | Novel environment-friendly cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212113264U (en) |
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2020
- 2020-05-29 CN CN202020963999.0U patent/CN212113264U/en active Active
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