CN214541644U - Pressure-resistant and fire-resistant all-plastic power cable - Google Patents
Pressure-resistant and fire-resistant all-plastic power cable Download PDFInfo
- Publication number
- CN214541644U CN214541644U CN202121201699.XU CN202121201699U CN214541644U CN 214541644 U CN214541644 U CN 214541644U CN 202121201699 U CN202121201699 U CN 202121201699U CN 214541644 U CN214541644 U CN 214541644U
- Authority
- CN
- China
- Prior art keywords
- resistant
- pressure
- sleeve
- plastic
- fire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a withstand voltage, fire-resistant plastic power cable, including wear-resisting anticorrosive coating and plastic insulating overcoat, the surface coating of plastic insulating overcoat has wear-resisting anticorrosive coating, the inside of plastic insulating overcoat is provided with prevents pressing the cover, the inside of preventing pressing the cover is provided with multiunit wire briquetting, the inside packing of preventing pressing the cover has outer withstand voltage filler. This it is withstand voltage, fire-resistant plastic power cable is through being provided with and preventing pressing the cover, the wire briquetting, outer withstand voltage filler, interior scour protection frame, arc limit and interior withstand voltage filler, the inside evenly distributed who prevents pressing the cover has the wire briquetting in order to play to support and withstand voltage effect, outer withstand voltage filler has certain elasticity, resist partly deformation that is caused by external pressure, improve the resistance to compression tolerance, interior scour protection frame prevents anaerobic copper wire extrusion collision of each other from inside, the outward flange of interior scour protection frame sets up the arc limit and reduces deformation with agreeing with interior insulating cover, carry the whole withstand voltage of cable from inside and outside two levels, the problem that the pressure resistance is not enough has been solved.
Description
Technical Field
The utility model relates to a power cable technical field specifically is a withstand voltage, fire-resistant plastic power cable.
Background
The power cable is mainly used for transmitting and distributing electric energy, has different specifications according to different types, and is often buried in an underground power grid and an enterprise internal power supply system. The all-plastic cable has high insulation, but the outer part is easy to wear and break, the inner fireproof capacity is limited, and once a circuit safety accident happens, the consequences are not reasonable. If the electric wire in the cable has no internal protection, the electric wire is often extruded and deformed to cause structural damage, and the transmission resistance is large, so that the normal operation is influenced.
The pressure-resistant and fire-resistant all-plastic power cable improves the pressure-resistant and fire-resistant capacity of the cable through modification of an internal structure and addition of external protection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a withstand voltage, fire-resistant plastic power cable to propose the not enough problem of pressure resistance in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a pressure-resistant, fire-resistant and all-plastic power cable comprises a wear-resistant and anti-corrosion coating and an all-plastic insulating outer sleeve, wherein the outer surface of the all-plastic insulating outer sleeve is coated with the wear-resistant and anti-corrosion coating, an anti-pressure sleeve is arranged inside the all-plastic insulating outer sleeve, a plurality of groups of metal wire press blocks are arranged inside the anti-pressure sleeve, an outer pressure-resistant filler is filled inside the anti-pressure sleeve, a mica tape is bonded to the inner wall of the anti-pressure sleeve, an inner cavity is arranged inside the mica tape, an inner anti-impact frame is arranged inside the inner cavity, arc edges are distributed on the outer wall of the inner anti-impact frame, an inner pressure-resistant filler is filled inside the inner anti-impact frame, an inner insulating sleeve is arranged outside the arc edges, a ceramic coating is coated on the inner wall of the inner insulating sleeve, an oxygen-free copper wire is arranged inside the inner insulating sleeve, and a gap filler is filled between the inner cavity and the inner insulating sleeve;
preferably, six groups of arc edges are arranged, and the arc edges are attached to the outer arc line of the inner insulating sleeve.
Preferably, the anaerobic copper wires are arranged in six groups, and the anaerobic copper wires are distributed in an annular mode about the center point of the inner anti-impact frame.
Preferably, the metal wire pressing blocks are in an X shape and are uniformly distributed in the anti-pressing sleeve.
Preferably, the wear-resistant and corrosion-resistant coating is made of an epoxy resin material, and the ceramic coating is made of a silicon oxide material.
Preferably, the all-plastic insulating outer sleeve is made of polyvinyl chloride materials, and the inner insulating sleeve is made of high-temperature nylon materials.
Preferably, the thickness of the all-plastic insulating outer sleeve is the same as that of the anti-pressure sleeve, and the all-plastic insulating outer sleeve, the anti-pressure sleeve and the inner cavity are distributed in a concentric circle.
Compared with the prior art, the beneficial effects of the utility model are that: the pressure-resistant and fire-resistant all-plastic power cable not only realizes the improvement of pressure resistance, the compact and durable structure, but also realizes the improvement of fire resistance;
(1) the anti-compression sleeve is provided with the anti-compression sleeve, the metal wire pressing blocks, the outer pressure-resistant filler, the inner anti-compression frame, the arc edges and the inner pressure-resistant filler, the metal wire pressing blocks are uniformly distributed in the anti-compression sleeve to play a role in supporting and pressure resistance, the outer pressure-resistant filler has certain elasticity to resist part of deformation caused by external pressure, the pressure resistance and the stress tolerance are improved, the inner anti-compression frame prevents oxygen-free copper wires from being extruded and collided mutually from the inside, the arc edges are arranged on the outer edge of the inner anti-compression frame to fit the inner insulating sleeve to reduce deformation, the whole pressure resistance of the cable is improved from the inside and the outside, and the oxygen-free copper wires are protected;
(2) the mica tape is arranged in the inner cavity, the gap filler and the anaerobic copper wires, the mica tape plays a role in fixing the anaerobic copper wires, six groups of anaerobic copper wires are bound, pressed and fixed at the tail end of the cable, the position deviation is reduced, the anaerobic copper wires are distributed in the inner cavity, the anaerobic copper wires are fixed in position through the gap filler, no gap exists among the anaerobic copper wires, the structure is compact and full, the flexibility is kept, the resistivity of the anaerobic copper wires is lower, and the safety and the reliability are realized;
(3) through being provided with wear-resisting anticorrosive coating, plastic insulating overcoat, interior insulating cover and ceramic coating, the wear-resisting anticorrosive coating of outside coating of plastic insulating overcoat, the inner wall coating ceramic coating of interior insulating cover, wear-resisting anticorrosive coating improves plastic insulating overcoat surface stand wear and tear ability, the cable buries underground electric wire netting, improves corrosion-resistant ability, can prevent wearing and tearing and break, plastic insulating overcoat is effective insulating, ceramic coating can be high temperature resistant, play fire-resistant effect from inside and outside two levels under the electric current high temperature state, it is safer to use.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a side view of the insulating outer jacket of the present invention;
FIG. 3 is a front view of the overall plastic insulating sheath of the present invention;
fig. 4 is a front view structural schematic diagram of the inner anti-impact frame of the present invention.
In the figure: 1. a wear-resistant and corrosion-resistant coating; 2. a full-plastic insulating outer sleeve; 3. a pressure-proof sleeve; 4. pressing the metal wire into a block; 5. an outer pressure resistant filler; 6. an inner anti-impact frame; 7. arc edge; 8. an inner pressure resistant filler; 9. mica tapes; 10. an inner cavity; 11. a gap filler; 12. an oxygen-free copper wire; 13. an inner insulating sleeve; 14. and (3) coating the ceramic.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not 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.
Example 1: referring to fig. 1-4, a voltage withstand, the fire-resistant all-plastic power cable comprises a wear-resistant anticorrosive coating 1 and an all-plastic insulating outer sleeve 2, wherein the wear-resistant anticorrosive coating 1 is coated on the outer surface of the all-plastic insulating outer sleeve 2, a pressure-proof sleeve 3 is arranged inside the all-plastic insulating outer sleeve 2, a plurality of groups of metal wire press blocks 4 are arranged inside the pressure-proof sleeve 3, an outer pressure-resistant filler 5 is filled inside the pressure-proof sleeve 3, a mica tape 9 is bonded on the inner wall of the pressure-proof sleeve 3, an inner cavity 10 is arranged inside the mica tape 9, an inner anti-impact frame 6 is arranged inside the inner cavity 10, arc edges 7 are distributed on the outer wall of the inner anti-impact frame 6, an inner pressure-resistant filler 8 is filled inside the inner anti-impact frame 6, an inner insulating sleeve 13 is arranged outside the arc edges 7, a ceramic coating 14 is coated on the inner wall of the inner insulating sleeve 13, an oxygen-free copper wire 12 is arranged inside the inner insulating sleeve 13, and a gap filler 11 is filled between the inner cavity 10 and the inner insulating sleeve 13;
six groups of arc edges 7 are arranged, and the arc edges 7 are attached to the outer arc line of the inner insulating sleeve 13, so that the pressure resistance is improved;
six groups of anaerobic copper wires 12 are arranged, the anaerobic copper wires 12 are distributed in an annular mode about the center point of the inner anti-impact frame 6, and the resistivity is low;
specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the inside evenly distributed of the pressure-proof cover 3 has wire briquetting 4 in order to play support and withstand voltage effect, outer withstand voltage filler 5 has certain elasticity, resist partly deformation that is caused by external pressure, improve the resistance to compression tolerance, interior scour protection frame 6 prevents anaerobic copper wire 12 extrusion collision of each other from inside, the outward flange of interior scour protection frame 6 sets up arc limit 7 and reduces the deformation with agreeing with interior insulating cover 13, carry the whole withstand voltage of cable from inside and outside two levels, protect anaerobic copper wire 12.
Example 2: the metal wire pressing blocks 4 are in an X shape, and the metal wire pressing blocks 4 are uniformly distributed in the anti-pressing sleeve 3;
the thickness of the all-plastic insulating outer sleeve 2 is the same as that of the anti-pressure sleeve 3, and the all-plastic insulating outer sleeve 2, the anti-pressure sleeve 3 and the inner cavity 10 are distributed in concentric circles, so that the low eccentricity of the cable is ensured;
specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the mica tape 9 has a fixing effect on the anaerobic copper wires 12, six groups of anaerobic copper wires 12 are bound and pressed at the tail end of the cable to be fixed, the position deviation is reduced, the anaerobic copper wires 12 are distributed in the inner cavity 10, the anaerobic copper wires 12 are fixed in position through filling of the gap filler 11, no gap exists between the anaerobic copper wires 12, the structure is compact and full, the flexibility is kept, the resistivity of the anaerobic copper wires 12 is lower, and the safety and the reliability are realized.
Example 3: the wear-resistant and corrosion-resistant coating 1 is made of epoxy resin material, and the ceramic coating 14 is made of silicon oxide material, so that the high-temperature resistance and wear resistance can be realized;
the all-plastic insulating outer sleeve 2 is made of polyvinyl chloride materials, and the inner insulating sleeve 13 is made of high-temperature nylon materials, so that the insulating capability is improved;
specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the outer part of the all-plastic insulating outer sleeve 2 is coated with a wear-resistant anticorrosive coating 1, the inner wall of the inner insulating sleeve 13 is coated with a ceramic coating 14, the wear-resistant anticorrosive coating 1 improves the wear-resistant capability of the outer surface of the all-plastic insulating outer sleeve 2, a cable is buried in an underground power grid, the corrosion-resistant capability is improved, wear and fracture can be prevented, the all-plastic insulating outer sleeve 2 is effectively insulated, the ceramic coating 14 can resist high temperature, and the all-plastic insulating outer sleeve can play a fire-resistant role from the inner layer and the outer layer in a current high-temperature state, so that the use is safer.
The working principle is as follows: when the utility model is used, firstly, the cable is embedded into a main line of an electric power system, six groups of anaerobic copper wires 12 have lower conductive voltage stable resistance, a mica tape 9 plays a role in fixing the anaerobic copper wires 12, the six groups of anaerobic copper wires 12 are bound and pressed and fixed at the end of the cable to reduce position deviation, the anaerobic copper wires 12 are distributed in an inner cavity 10, the anaerobic copper wires 12 are fixed at positions by filling gap fillers 11, no gap exists between the anaerobic copper wires 12, the structure is compact and full, the flexibility is kept, metal wire pressing blocks 4 are uniformly distributed in the anti-pressing sleeve 3 to play a role in supporting and pressure resisting, an outer pressure-resisting filler 5 has certain elasticity to resist part of deformation caused by external pressure, the pressure-resisting tolerance is improved, the inner anti-pressing frame 6 prevents the anaerobic copper wires 12 from mutually extruding and colliding from the inside, the outer edge of the inner anti-pressing frame 6 is provided with an arc edge 7 to fit with the inner insulating sleeve 13 to reduce deformation, the whole withstand voltage of the cable is improved from the inner layer and the outer layer, the oxygen-free copper wire 12 is protected, the outer portion of the all-plastic insulating outer sleeve 2 is coated with the wear-resistant anticorrosive coating 1, the inner wall of the inner insulating sleeve 13 is coated with the ceramic coating 14, the wear-resistant anticorrosive coating 1 improves the outer surface wear resistance of the all-plastic insulating outer sleeve 2, the cable is buried in an underground power grid, the corrosion resistance is improved, wear and tear can be prevented, the all-plastic insulating outer sleeve 2 is effectively insulated, the ceramic coating 14 can resist high temperature, the cable plays a fire-resistant role from the inner layer and the outer layer in a current high-temperature state, the use is safer, and waterproof sealing is needed to be adopted at two ends of the all-plastic insulating outer sleeve 2 in use.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a withstand voltage, fire-resistant plastic power cable, includes wear-resisting anticorrosive coating (1) and plastic insulating cover (2), its characterized in that: the outer surface of the all-plastic insulating outer sleeve (2) is coated with a wear-resistant anticorrosive coating (1), the interior of the all-plastic insulating outer sleeve (2) is provided with a pressure-proof sleeve (3), a plurality of groups of metal wire press blocks (4) are arranged inside the pressure-proof sleeve (3), an outer pressure-resistant filler (5) is filled inside the pressure-proof sleeve (3), a mica tape (9) is bonded on the inner wall of the pressure-proof sleeve (3), an inner cavity (10) is arranged inside the mica tape (9), an inner impact-proof frame (6) is arranged inside the inner cavity (10), an arc edge (7) is distributed on the outer wall of the inner impact-proof frame (6), an inner pressure-resistant filler (8) is filled inside the inner impact-proof frame (6), an inner insulating sleeve (13) is arranged outside the arc edge (7), a ceramic coating (14) is coated on the inner wall of the inner insulating sleeve (13), and an oxygen-free copper wire (12) is arranged inside the inner insulating sleeve (13), gap fillers (11) are filled between the inner cavity (10) and the inner insulating sleeve (13).
2. A pressure-resistant, fire-resistant, all-plastic power cable according to claim 1, characterized in that: six groups of arc edges (7) are arranged, and the arc edges (7) are attached to the outer arc line of the inner insulating sleeve (13).
3. A pressure-resistant, fire-resistant, all-plastic power cable according to claim 1, characterized in that: six groups of anaerobic copper wires (12) are arranged, and the anaerobic copper wires (12) are distributed in an annular mode about the center point of the inner anti-impact frame (6).
4. A pressure-resistant, fire-resistant, all-plastic power cable according to claim 1, characterized in that: the metal wire pressing blocks (4) are in an X shape, and the metal wire pressing blocks (4) are uniformly distributed in the anti-pressing sleeve (3).
5. A pressure-resistant, fire-resistant, all-plastic power cable according to claim 1, characterized in that: the wear-resistant anticorrosive coating (1) is made of epoxy resin materials, and the ceramic coating (14) is made of silicon oxide materials.
6. A pressure-resistant, fire-resistant, all-plastic power cable according to claim 1, characterized in that: the all-plastic insulating outer sleeve (2) is made of polyvinyl chloride materials, and the inner insulating sleeve (13) is made of high-temperature nylon materials.
7. A pressure-resistant, fire-resistant, all-plastic power cable according to claim 1, characterized in that: the thickness of the all-plastic insulating outer sleeve (2) is the same as that of the anti-pressure sleeve (3), and the all-plastic insulating outer sleeve (2), the anti-pressure sleeve (3) and the inner cavity (10) are distributed in a concentric circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121201699.XU CN214541644U (en) | 2021-05-31 | 2021-05-31 | Pressure-resistant and fire-resistant all-plastic power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121201699.XU CN214541644U (en) | 2021-05-31 | 2021-05-31 | Pressure-resistant and fire-resistant all-plastic power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214541644U true CN214541644U (en) | 2021-10-29 |
Family
ID=78285062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121201699.XU Active CN214541644U (en) | 2021-05-31 | 2021-05-31 | Pressure-resistant and fire-resistant all-plastic power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214541644U (en) |
-
2021
- 2021-05-31 CN CN202121201699.XU patent/CN214541644U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214541644U (en) | Pressure-resistant and fire-resistant all-plastic power cable | |
| CN211879100U (en) | Fire-resistant power cable of crosslinked polyethylene | |
| CN210091760U (en) | New energy automobile charging cable | |
| CN212990755U (en) | Cable with flame-retardant interlayer | |
| CN210627965U (en) | Cold-resistant corrosion-resistant flame-retardant water-blocking scandium-aluminum alloy conductor medium-voltage cable for sea wind power generation | |
| CN210692181U (en) | Anti extrusion compensation copper cable | |
| CN207021033U (en) | low-voltage cable | |
| CN113205909A (en) | Buried composite cable with good protection effect | |
| CN212303147U (en) | Safety cable | |
| CN214588085U (en) | High-reliability polyvinyl chloride insulation flexible cable | |
| CN206194397U (en) | Cable of resistant electric arc of resistant corona | |
| CN110890175A (en) | Radial water-blocking low-voltage power cable with corrugated aluminum sleeve | |
| CN210429398U (en) | Weather-resistant chemical-erosion-resistant conductive cable | |
| CN213877629U (en) | Polyvinyl chloride insulated polyvinyl chloride sheathed wire | |
| CN215265641U (en) | High-strength cable | |
| CN215815266U (en) | Cable with long service life | |
| CN221125582U (en) | High-voltage-resistant electromagnetic wire for wind turbine generator | |
| CN218414011U (en) | Wire harness with good wear-resisting effect for high-speed rail | |
| CN216014881U (en) | Mineral insulation metal sheath fire-resistant cable | |
| CN218299422U (en) | Insulating pressure-resistant wear-resistant flame-retardant power cable | |
| CN213123862U (en) | Environment-friendly cable structure | |
| CN211427904U (en) | High-efficiency energy-saving flame-retardant fireproof composite cable for smart power grid | |
| CN212847793U (en) | Power cable resistant to voltage breakdown | |
| CN210805303U (en) | Use cable for power of anticorrosive type | |
| CN216597104U (en) | Hydraulic engineering detects uses composite cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |