CN218676554U - Power cable with insulating fire-resistant effect - Google Patents
Power cable with insulating fire-resistant effect Download PDFInfo
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- CN218676554U CN218676554U CN202222577967.9U CN202222577967U CN218676554U CN 218676554 U CN218676554 U CN 218676554U CN 202222577967 U CN202222577967 U CN 202222577967U CN 218676554 U CN218676554 U CN 218676554U
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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
Abstract
The utility model discloses a power cable with insulating fire-resistant effect relates to power cable technical field, only has considered the fire-resistant and heat-resisting self effect of power cable itself for solving current power cable when using, but when power cable installs at outdoor high altitude, often because there is not fixed connection structure between two power cable, so can lead to power cable to take place to rock, lead to the link of power cable and pylon to take place not hard up problem. Including the power cable main part, the inside rubber insulation parcel layer that is provided with of power cable main part, rubber insulation parcel layer and power cable main part inner wall adhesion are connected, one side that the power cable main part was kept away from on the rubber insulation parcel layer is provided with asbestos wire parcel net, asbestos wire parcel net is connected with rubber insulation parcel layer adhesion, still includes unable adjustment base, unable adjustment base sets up on power cable main part surface, unable adjustment base sets up as an organic whole with the power cable main part.
Description
Technical Field
The utility model relates to a composite sheet technical field specifically is a power cable with insulating fire-resistant effect.
Background
The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater, and has a gradually increasing proportion in the power line. Power cables are cable products used in the trunk lines of power systems for transmission and distribution of high power electrical energy, including 1-500KV and above, various voltage classes, and various insulated power cables, the use of which has been in the past for centuries. In 1908, a 20 kv cable network was built in the uk. Power cables are increasingly used, for example, the application number 201520867906.3 is named as a cross-linked insulating fireproof power cable, the device comprises a conductor made of copper or aluminum, a filling layer, a wrapping tape, an armor layer and an outer sheath, wherein the filling layer, the wrapping tape, the armor layer and the outer sheath are sequentially coated outside the conductor, and a conductor shielding layer, an insulating shielding layer and a metal shielding layer are arranged between the conductor and the filling layer; an extrusion heat-insulation fireproof layer and a cooling extrusion inner liner layer are arranged between the wrapping belt and the armor layer; the filling layer and the wrapping belt are made of flame-retardant materials, the extrusion heat-insulation fire-resistant layer is made of ceramic organic silicon materials, and the cooling extrusion inner lining layer is made of expansion type polyolefin flame-retardant materials. The utility model provides a problem that traditional fire resisting cable withstand voltage is low, not only can be high pressure resistant, and fire-resistant effectual. The cable is suitable for 8.7/15kV high-voltage cross-linked power cable cores, and is reliable in power supply. The cable is suitable for important engineering facilities such as subways, power plants, nuclear power stations, tunnels and the like.
When the device is used, the fire-resistant and heat-resistant self effects of the power cable are only considered when the power cable is used, but when the power cable is installed in an outdoor high altitude, the power cable is usually shaken due to the fact that a fixed connection structure is not arranged between the two power cables, and the connection end of the power cable and a cable tower is loosened; we have therefore proposed an electrical power cable with insulating fire-resistant action in order to solve the problems set out above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power cable with insulating fire-resistant effect to solve the current power cable that proposes in the above-mentioned background art and only considered the fire-resistant and heat-resisting self effect of power cable itself when using, but when power cable installs in outdoor high altitude, often because do not have fixed connection structure between two power cable, so can lead to power cable to take place to rock, lead to the link of power cable and pylon to take place not hard up problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power cable with insulating fire-resistant effect, includes the power cable main part, the inside rubber insulation parcel layer that is provided with of power cable main part, rubber insulation parcel layer is connected with the adhesion of power cable main part inner wall, one side of keeping away from the power cable main part on the rubber insulation parcel layer is provided with asbestos cord parcel net, asbestos cord parcel net is connected with rubber insulation parcel layer adhesion, still includes unable adjustment base, unable adjustment base sets up on the power cable main part surface, unable adjustment base sets up as an organic whole with the power cable main part, asbestos cord parcel net is provided with carbon fiber parcel layer in the one side of keeping away from rubber insulation parcel layer, carbon fiber parcel layer and asbestos cord parcel net adhesion are connected, carbon fiber parcel layer is provided with the resin injection layer in the one side of keeping away from asbestos cord parcel net, the resin injection layer is connected with carbon fiber parcel layer adhesion.
Preferably, the resin injection layer is provided with a flexible reinforcing layer on one side far away from the carbon fiber wrapping layer, and the flexible reinforcing layer is connected with the carbon fiber wrapping layer in an adhesion manner.
Preferably, be provided with the copper line in the flexible reinforced layer, the copper line meets with flexible reinforced layer basement.
Preferably, one end of the fixing base far away from the power cable main body is provided with a matching splicing clamping groove, and the matching splicing clamping groove and the fixing base are integrally arranged.
Preferably, be provided with anti-skidding decorative pattern on the cooperation concatenation draw-in groove inner wall, anti-skidding decorative pattern sets up with cooperation concatenation draw-in groove as an organic whole.
Preferably, the power cable main part is provided with the cooperation concatenation inserted block in the one side of keeping away from the cooperation concatenation draw-in groove, cooperation concatenation inserted block and power cable main part set up as an organic whole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a be provided with the rubber insulation parcel layer in the power cable main part, the rubber insulation parcel layer is connected with the power cable main part inner wall adhesion, the rubber insulation parcel layer is provided with asbestos wire parcel net in the one side of keeping away from the power cable main part, asbestos wire parcel net is connected with rubber insulation parcel layer adhesion, still include the unable adjustment base, the unable adjustment base sets up on the power cable main part surface, unable adjustment base and power cable main part set up as an organic whole, asbestos wire parcel net is provided with the carbon fiber parcel layer in the one side of keeping away from rubber insulation parcel layer, the carbon fiber parcel layer is connected with asbestos wire parcel net adhesion, the carbon fiber parcel layer is provided with the resin injection layer in the one side of keeping away from asbestos wire parcel net, the resin injection layer is connected with carbon fiber parcel layer adhesion, asbestos wire parcel net wholly comprises single asbestos wire, asbestos itself has the height of ignition, the physical property that the thermal conductivity is poor, when the main body of the power cable is in short circuit, the asbestos thread wrapping net can block part of heat and can not burn, the fixing base is provided with a matching splicing clamping groove at one end far away from the main body of the power cable, the matching splicing clamping groove and the fixing base are integrally arranged, the matching splicing clamping groove can be arranged to insert a matching splicing insertion block into the matching splicing clamping groove when the two main bodies of the power cable are close to each other, the two main bodies of the power cable are connected, the self effects of fire resistance and heat resistance of the power cable are effectively avoided when the existing power cable is used, however, when the power cables are installed in outdoor high space, because there is no fixed connection structure between the two power cables, the power cable may be shaken, and the connection end of the power cable and the pylon may be loosened.
2. Through being provided with the soft back up coat in one side of keeping away from carbon fiber parcel layer at the resin injection layer, the adhesion of soft back up coat and carbon fiber parcel layer is connected, and the setting up of soft back up coat not only can make the soft back up coat firmly wrap up the copper line, avoids the copper line to tie a knot or squint in the inside emergence of power cable, and soft back up coat itself just adopts inorganic material to make itself also to have certain insulating properties moreover.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic cross-sectional view of the main body of the power cable of the present invention;
in the figure: 1. a power cable body; 2. splicing the inserting blocks in a matching way; 3. a fixed base; 4. matching and splicing the clamping grooves; 5. anti-skid patterns; 6. a rubber insulation wrapping layer; 7. a copper wire; 8. asbestos thread wrapping netting; 9. a carbon fiber wrapping layer; 10. a resin injection layer; 11. a flexible reinforcing layer.
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.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a power cable with insulating fire-resistant effect, including power cable main part 1, 1 inside rubber insulation parcel layer 6 that is provided with of power cable main part, rubber insulation parcel layer 6 is connected with 1 inner wall adhesion of power cable main part, rubber insulation parcel layer 6 is provided with asbestos cord parcel net 8 in the one side of keeping away from power cable main part 1, asbestos cord parcel net 8 is connected with the 6 adhesion of rubber insulation parcel layer, still include unable adjustment base 3, unable adjustment base 3 sets up on 1 surface of power cable main part, unable adjustment base 3 sets up as an organic whole with power cable main part 1, asbestos cord parcel net 8 is provided with carbon fiber parcel layer 9 in the one side of keeping away from rubber insulation parcel layer 6, carbon fiber parcel layer 9 is connected with asbestos cord parcel net 8 adhesion, carbon fiber parcel layer 9 is provided with resin injection layer 10 in the one side of keeping away from asbestos cord parcel net 8, resin injection layer 10 is connected with carbon fiber parcel layer 9 adhesion.
Referring to fig. 3, the resin injection layer 10 is provided with a flexible reinforcing layer 11 on one side far away from the carbon fiber wrapping layer 9, the flexible reinforcing layer 11 is connected with the carbon fiber wrapping layer 9 in an adhesion manner, and the flexible reinforcing layer 11 can not only enable the flexible reinforcing layer 11 to firmly wrap the copper wire 7 and prevent the copper wire 7 from knotting or deviating inside the power cable, but also enable the flexible reinforcing layer 11 to be made of inorganic materials and have certain insulation characteristics.
Referring to fig. 1, a copper wire 7 is disposed in the flexible reinforcing layer 11, and the copper wire 7 is connected to the bottom of the flexible reinforcing layer 11.
Referring to fig. 1, a matching splicing clamping groove 4 is formed in one end, far away from the power cable main bodies 1, of the fixing base 3, the matching splicing clamping groove 4 and the fixing base 3 are integrally arranged, and the matching splicing clamping groove 4 is arranged so that the matching splicing insertion block 2 is inserted into the matching splicing clamping groove 4 when the two power cable main bodies 1 are close to each other, so that the two power cable main bodies 1 are connected in a combined mode.
Referring to fig. 1, the inner wall of the matching splicing clamping groove 4 is provided with an anti-slip pattern 5, the anti-slip pattern 5 and the matching splicing clamping groove 4 are integrally arranged, and the arrangement of the anti-slip pattern 5 can increase the friction force between the matching splicing insertion block 2 and the matching splicing clamping groove 4 when the matching splicing insertion block is inserted into the matching splicing clamping groove 4, so as to avoid separation.
Referring to the drawings, a matching splicing insertion block 2 is arranged on one side of the power cable main body 1 far away from the matching splicing clamping groove 4, and the matching splicing insertion block 2 and the power cable main body 1 are integrally arranged.
The working principle is as follows: when in use, the rubber insulation wrapping layer 6 is arranged in the power cable main body 1, the rubber insulation wrapping layer 6 is connected with the inner wall of the power cable main body 1 in an adhesion manner, the rubber insulation wrapping layer 6 is provided with the asbestos wire wrapping net 8 at one side far away from the power cable main body 1, the asbestos wire wrapping net 8 is connected with the rubber insulation wrapping layer 6 in an adhesion manner, the power cable further comprises a fixed base 3, the fixed base 3 is arranged on the outer surface of the power cable main body 1, the fixed base 3 and the power cable main body 1 are integrally arranged, the asbestos wire wrapping net 8 is provided with the carbon fiber wrapping layer 9 at one side far away from the rubber insulation wrapping layer 6, the carbon fiber wrapping layer 9 is connected with the asbestos wire wrapping net 8 in an adhesion manner, the carbon fiber wrapping layer 9 is provided with the resin injection layer 10 at one side far away from the asbestos wire wrapping net 8, the resin injection layer 10 is connected with the carbon fiber wrapping layer 9 in an adhesion manner, and the asbestos wire wrapping net 8 integrally consists of single asbestos wire, asbestos has the physical characteristics of high ignition point and poor thermal conductivity, when a power cable main body 1 is in short circuit, the asbestos wire wrapping net 8 can block part of heat and can not burn, a matching splicing clamping groove 4 is arranged at one end of a fixing base 3 far away from the power cable main body 1, the matching splicing clamping groove 4 and the fixing base 3 are arranged integrally, the matching splicing clamping groove 4 can be arranged to insert a matching splicing insertion block 2 into the matching splicing clamping groove 4 when the two power cable main bodies 1 are close to each other, so that the two power cable main bodies 1 are connected, the problem that the existing power cable only considers the fire-resistant and heat-resistant self effects of the power cable when in use is effectively avoided, but when the power cable is installed at outdoor high altitude, a fixed connection structure is often not arranged between the two power cables, so can lead to power cable to take place to rock, lead to power cable and the link of pylon to take place not hard up problem, resin injection layer 10 is provided with flexible back up coat 11 in the one side of keeping away from carbon fiber parcel layer 9, flexible back up coat 11 is connected with the adhesion of carbon fiber parcel layer 9, the setting up of flexible back up coat 11 not only can make flexible back up coat 11 live copper line 7 firmly the parcel, avoid copper line 7 to take place to tie a knot or skew in power cable is inside, and flexible back up coat 11 itself just adopts inorganic material to make itself also has certain insulating properties.
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 (6)
1. A power cable with insulating and fireproof functions comprises a power cable main body (1), wherein a rubber insulating wrapping layer (6) is arranged inside the power cable main body (1), the rubber insulating wrapping layer (6) is connected with the inner wall of the power cable main body (1) in an adhesion mode, an asbestos wire wrapping net (8) is arranged on one side, far away from the power cable main body (1), of the rubber insulating wrapping layer (6), and the asbestos wire wrapping net (8) is connected with the rubber insulating wrapping layer (6) in an adhesion mode;
the method is characterized in that: still include unable adjustment base (3), unable adjustment base (3) set up on power cable main part (1) surface, unable adjustment base (3) set up with power cable main part (1) as an organic whole, asbestos cord parcel net (8) are provided with carbon fiber parcel layer (9) in the one side of keeping away from rubber insulation parcel layer (6), carbon fiber parcel layer (9) are connected with asbestos cord parcel net (8) adhesion, carbon fiber parcel layer (9) are provided with resin injection layer (10) in the one side of keeping away from asbestos cord parcel net (8), resin injection layer (10) are connected with carbon fiber parcel layer (9) adhesion.
2. An electric power cable with insulating and fire-resistant functions as claimed in claim 1, wherein: the resin injection layer (10) is provided with a flexible reinforcing layer (11) on one side far away from the carbon fiber wrapping layer (9), and the flexible reinforcing layer (11) is connected with the carbon fiber wrapping layer (9) in an adhesion manner.
3. An electric power cable with insulating and fire-resistant functions as claimed in claim 2, characterized in that: be provided with copper line (7) in flexible back up coat (11), copper line (7) and flexible back up coat (11) end connect.
4. An electric power cable with insulating and fire-resistant functions as claimed in claim 1, wherein: one end of the fixing base (3) far away from the power cable main body (1) is provided with a matching splicing clamping groove (4), and the matching splicing clamping groove (4) and the fixing base (3) are integrally arranged.
5. An electric power cable with insulating and fire-resistant functions as claimed in claim 4, wherein: be provided with on cooperation concatenation draw-in groove (4) inner wall anti-skidding decorative pattern (5), anti-skidding decorative pattern (5) set up as an organic whole with cooperation concatenation draw-in groove (4).
6. An electric power cable with insulating and fire-resistant functions as claimed in claim 4, wherein: the power cable is characterized in that a matching splicing insertion block (2) is arranged on one side, away from a matching splicing clamping groove (4), of the power cable main body (1), and the matching splicing insertion block (2) and the power cable main body (1) are integrally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222577967.9U CN218676554U (en) | 2022-09-28 | 2022-09-28 | Power cable with insulating fire-resistant effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222577967.9U CN218676554U (en) | 2022-09-28 | 2022-09-28 | Power cable with insulating fire-resistant effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218676554U true CN218676554U (en) | 2023-03-21 |
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ID=85560111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222577967.9U Active CN218676554U (en) | 2022-09-28 | 2022-09-28 | Power cable with insulating fire-resistant effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218676554U (en) |
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2022
- 2022-09-28 CN CN202222577967.9U patent/CN218676554U/en active Active
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