CN214956118U - Ultraviolet-resistant composite cable - Google Patents
Ultraviolet-resistant composite cable Download PDFInfo
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- CN214956118U CN214956118U CN202120500176.9U CN202120500176U CN214956118U CN 214956118 U CN214956118 U CN 214956118U CN 202120500176 U CN202120500176 U CN 202120500176U CN 214956118 U CN214956118 U CN 214956118U
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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 an ultraviolet-resistant composite cable, which relates to the field of cables, and adopts the technical scheme that the cable comprises a cable core, a semi-conductive water-blocking tape, a shielding copper strip, a graphite fiber layer, a low-smoke halogen-free flame-retardant tape, a high-flame-retardant inner liner layer, an armored brass strip and a polyolefin sheath material from inside to outside; the cable core comprises three stranded wire harnesses, the wire harnesses are sequentially provided with a conductor, a semi-conductive belt layer, a semi-conductive shielding layer and an insulating layer from inside to outside, the semi-conductive shielding layer is a braided shielding layer formed by cross braiding of tinned electrical round copper wires and acrylic yarns, and a mica tape is filled between the braided shielding layer and the insulating layer. Can utilize the graphite fiber layer can carry out the quick transfer to local heat, avoid local overheated, adopt low smoke and zero halogen flame retardant belt and high flame retardant inner liner layer can play very good flame retardant efficiency, adopt the polyolefin trepanning can improve the holistic ultraviolet resistance's of cable performance.
Description
Technical Field
The utility model relates to an ultraviolet resistance composite cable mainly relates to the cable field.
Background
Urban rail transit is the main measure of improving traffic environment in international big cities at present, and due to the particularity of rail transit, the requirements on the safety and the reliability of a power system are extremely high. The laying environment of the subway and light rail cables is complex, and products in the prior art can not meet various harsh requirements of laying at the same time; the cable is in outdoor for a long time and has high requirements on flame retardance and ultraviolet resistance.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to above prior art, the utility model provides an ultraviolet resistance composite cable can utilize the graphite fiber layer to shift fast local heat, avoids local overheat, adopts low smoke and zero halogen flame retardant belt and high flame retardant inner liner layer can play very good flame retardant efficiency, adopts the polyolefin trepanning can improve the holistic ultraviolet resistance performance of cable.
In order to achieve the above purpose, the technical scheme of the utility model is that: the cable comprises a cable core, a semi-conductive water-blocking tape, a shielding copper strip, a graphite fiber layer, a low-smoke halogen-free flame-retardant tape, a high-flame-retardant lining layer, an armored brass strip and a polyolefin sheath material from inside to outside; the cable core comprises three stranded wire harnesses, the wire harnesses are sequentially provided with a conductor, a semi-conductive belt layer, a semi-conductive shielding layer and an insulating layer from inside to outside, the semi-conductive shielding layer is a braided shielding layer formed by cross braiding of tinned electrical round copper wires and acrylic yarns, and a mica tape is filled between the braided shielding layer and the insulating layer.
The technical principle and the beneficial effects of the utility model are as follows:
the semi-conductive water-blocking tape can play fine effect of blocking water, utilize the shielding copper strips can shield the magnetic field of outside, and adopt the armor brass strips can wholly protect the cable on the one hand, on the other hand can strengthen the shielding to foreign currency magnetic field interference, utilize the graphite fiber layer can shift fast to local heat, avoid local overheat, adopt low smoke and zero halogen flame retardant belt and high fire-retardant inner liner layer can play very good flame retardant efficiency, adopt the polyolefin trepanning can improve the holistic ultraviolet resistance's of cable performance.
Preferably, tensile ropes are arranged among the three wire harnesses, so that the tensile property can be obviously improved.
Preferably, the tensile rope is made of aramid fiber twisted compound and has the excellent performances of ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight and the like.
Preferably, the aramid fiber strand compound is coated with the tensile element semi-conducting layer, so that the self-flowing withstand voltage test of the cable non-metal sheath is better met.
Preferably, the conductor adopts a bare annealed copper conductor or a plated metal layer annealed soft copper conductor, and has better corrosion resistance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only 1 of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
The cable comprises a conductor 1, a semiconductive tape layer 2, a semiconductive shielding layer 3, a mica tape 4, an insulating layer 5, a semiconductive water-blocking tape 6, a shielding copper tape 7, a graphite fiber layer 8, a low-smoke halogen-free flame-retardant tape 9, a high-flame-retardant lining layer 10, an armored brass tape, a polyolefin sheath material 11 and a tensile rope 12.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely preferred embodiments of the present invention, rather than 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.
Examples
As shown in fig. 1, the embodiment of the present invention includes a cable core, a semi-conductive water-blocking tape 6, a shielding copper tape 7, a graphite fiber layer 8, a low-smoke halogen-free flame-retardant tape 9, a high-flame-retardant inner liner layer 10, an armored brass tape and a polyolefin sheath material 11 from inside to outside.
The cable core comprises three stranded wire harnesses, and the tensile ropes 12 are arranged in the middles of the three wire harnesses, so that the tensile property can be obviously improved. The wire harness is sequentially provided with a conductor 1, a semi-conductive belt layer 2, a semi-conductive shielding layer 3 and an insulating layer 5 from inside to outside, the semi-conductive shielding layer 3 is a braided shielding layer formed by cross-braiding of tinned electrical round copper wires and acrylic yarns, and a mica tape 4 is filled between the braided shielding layer and the insulating layer 5.
Semiconductive waterproofing area 6 can play fine effect of blocking water, utilize shielding copper strips 7 can shield the magnetic field of outside, and adopt the armor brass strips on the one hand can wholly protect the cable, on the other hand can strengthen the shielding to foreign currency magnetic field interference, utilize graphite fiber layer 8 can shift fast to the heat of part, avoid local overheat, adopt low smoke and zero halogen flame retardant belt 9 and high flame retardant inner liner layer 10 can play very good flame retardant efficiency, adopt the polyolefin trepanning can improve the holistic ultraviolet resistance's of cable performance.
The tensile rope 12 is made of aramid fiber twisted compound and has the excellent performances of high tensile strength, ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight and the like.
The aramid fiber strand compound is coated with the tensile element semi-conducting layer, so that the self-flowing pressure resistance test of the cable non-metal sheath is better met.
The conductor 1 adopts a bare annealed copper conductor 1 or a plated metal layer annealed soft copper conductor 1, and has better corrosion resistance.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An ultraviolet-resistant comprehensive cable is characterized by comprising a cable core, a semi-conductive water blocking tape (6), a shielding copper strip (7), a graphite fiber layer (8), a low-smoke halogen-free flame-retardant tape (9), a high-flame-retardant inner lining layer (10), an armored brass strip and a polyolefin sheath material (11) from inside to outside; the cable core comprises three twisted wire harnesses, the wire harnesses are sequentially provided with a conductor (1), a semi-conductive belt layer (2), a semi-conductive shielding layer (3) and an insulating layer (5) from inside to outside, the semi-conductive shielding layer (3) is a braided shielding layer formed by cross braiding of tinned electrical round copper wires and acrylic yarns, and mica tapes (4) are filled between the braided shielding layer and the insulating layer (5).
2. The ultraviolet ray resistant composite cable according to claim 1, wherein: tensile ropes (12) are arranged among the three wire harnesses.
3. The ultraviolet ray resistant composite cable according to claim 2, wherein: the tensile rope (12) is made of aramid fiber twisted compound.
4. The ultraviolet ray resistant composite cable according to claim 3, wherein: the aramid fiber strand compound is coated with a tensile element semi-conducting layer.
5. The ultraviolet ray resistant composite cable according to claim 1, wherein: the conductor (1) adopts a bare annealed copper conductor (1) or a plated metal layer annealed soft copper conductor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120500176.9U CN214956118U (en) | 2021-03-05 | 2021-03-05 | Ultraviolet-resistant composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120500176.9U CN214956118U (en) | 2021-03-05 | 2021-03-05 | Ultraviolet-resistant composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214956118U true CN214956118U (en) | 2021-11-30 |
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ID=79118909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120500176.9U Active CN214956118U (en) | 2021-03-05 | 2021-03-05 | Ultraviolet-resistant composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214956118U (en) |
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2021
- 2021-03-05 CN CN202120500176.9U patent/CN214956118U/en active Active
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