CN216957489U - High-temperature-resistant, low-temperature-resistant, wear-resistant, waterproof and self-deicing flexible cable - Google Patents
High-temperature-resistant, low-temperature-resistant, wear-resistant, waterproof and self-deicing flexible cable Download PDFInfo
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- CN216957489U CN216957489U CN202123453665.2U CN202123453665U CN216957489U CN 216957489 U CN216957489 U CN 216957489U CN 202123453665 U CN202123453665 U CN 202123453665U CN 216957489 U CN216957489 U CN 216957489U
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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
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- 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 provides a high-temperature-resistant, low-temperature-resistant, wear-resistant, waterproof and self-deicing flexible cable which mainly comprises power wire core conductors, wherein the outer rings of the power wire core conductors are coated by insulating layers, the insulating layers of a plurality of power wire core conductors are mutually circumscribed, the outermost sides of the insulating layers of a plurality of power linear conductors are provided with heat insulating layers, a plurality of heating wire core conductors are arranged on the outer rings of the heat insulating layers, outer protective layers are arranged on the outer rings of the heating wire core conductors, heat conducting structures are symmetrically and crossly wound among the heating wire core conductors, and the heat conducting structures are uniform triangular net structures, so that the bending performance of the cable can be effectively improved, the stability of the cable structure is enhanced, the damage of the cable caused by rain, snow, ice and frost in winter is reduced, and the service life of the cable is effectively prolonged.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a high-temperature-resistant, low-temperature-resistant, wear-resistant, waterproof and self-deicing flexible cable.
Background
In recent years, in winter, snowstorm weather often appears in China, so that the surface of a power cable sheath is frozen, huge hidden danger is brought to overhaul of power workers, and economic loss is caused; the cable mainly comprises a conductor, an insulating layer, a heat-insulating layer, a heating wire core and an outer protective layer; at present, the high-voltage cable is deiced mainly in two ways, namely, one way is matched with special deicer which can move along the direction of the cable, the surface of the cable is deiced in the moving process, and the deicer is detached after the deicing is finished, the main defect of the way is that the operation way is complex, especially the installation and the detachment of the deicer, the other way is that heating parts, such as heating wires and the like, are wound below the surface layer of the cable, when the deicing is needed, the heating parts are electrified to work, and the ice on the surface of the cable is melted by the generated heat to realize the deicing, and the way has the main defect that the deicing efficiency is low, and the ice layer covered on the surface of the cable can be effectively melted usually for several hours; at present, domestic similar products are uneven in heating and poor in deicing effect, a heat insulation layer is low in heat insulation effect, an insulation wire core is damaged, and the service life of a cable is influenced.
For example, chinese patent application No.: CN201721500025.3, a prevent icing cable with heating function is disclosed, including the multicore cable, the outer lane of multicore cable is equipped with the inoxidizing coating, the outer lane of inoxidizing coating is equipped with prevents icing layer, prevent icing layer's the outside and offer the whole recess that is heliciform structure, be equipped with the spiral heating body in the recess, electric heating wire is worn to be equipped with in the inside of spiral heating body, the outside that the spiral heating body exposes outside is the arcwall face, this arcwall face just constitutes complete cylindrical surface with anti icing layer's lateral surface, the utility model discloses an increase anti icing layer in the outside of inoxidizing coating, anti icing layer is made by the super hydrophobic material that has "lotus flower effect", the structure is complicated, the material is expensive, and the inhomogeneous deicing effect of heating is poor, the thermal-insulated effect of insulating layer is low, damage insulating sinle silk, influence the cable life-span.
Disclosure of Invention
The utility model mainly solves the problems of poor deicing effect due to uneven heating, low heat insulation effect of a heat insulation layer, damage to an insulation wire core and influence on the service life of a cable in the conventional like products, and provides the high-temperature-resistant, low-temperature-resistant, wear-resistant, waterproof and self-deicing flexible cable.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a high-temperature-resistant, low-temperature-resistant, wear-resistant, waterproof and self-deicing flexible cable which comprises power core conductors, wherein the outer rings of the power core conductors are coated by insulating layers, the insulating layers of a plurality of power core conductors are mutually contacted, the outermost sides of the insulating layers of a plurality of power linear conductors are provided with heat insulating layers, a plurality of heating core conductors are arranged on the outer rings of the heat insulating layers, outer protective layers are arranged on the outer rings of the heating core conductors, and heat conducting structures are symmetrically, crossly and spirally wound among the heating core conductors; guarantee to heat cable core conductor and begin the even transmission of heat after the heating in the cable, reach the even effect of relieving fever, improve the ability from the deicing, cable conductor has five types of soft conductor bundles to twist and form at compound hank, and it is insulating to push up silicon rubber outward with the sinle silk stranding, and the duplex winding wraps ceramic fiber area, then crowded package silicon rubber insulating layer is wrapping one deck ceramic fiber area, then will heat on the conductor directly stranding insulating layer, directly crowded package one deck polyurethane oversheath. The insulating layer is insulated by silicon rubber, and the material has good insulativity, stability, high and low temperature resistance and good flexibility, and can ensure that the insulating layer does not have problems when the cable is bent.
Preferably, the heat conducting structure is arranged on the heating wire core conductor for a plurality of circles; the heat can be uniformly conducted.
Preferably, the heat conducting structure of the middle part of the adjacent heating wire core conductor is attached to the third wrapping tape; allowing a greater range of thermal contact to be conducted.
Preferably, the heat insulation layer consists of a ceramic fiber belt, a silicone rubber sheath adhesive and a ceramic fiber belt; the heat insulation layer is made of a ceramic fiber tape, a silicon rubber sheath adhesive and a ceramic fiber tape, and the material has good heat insulation, high and low temperature resistance and waterproof performance, and can ensure that the use of the cable is not influenced when the cable is heated by a heating conductor in use.
Preferably, the number of the heating wire core conductors is three, and the power wire core conductor adopts a fifth type conductor specified by national standards; the device is used for positioning and winding the heat conduction net, so that the cable is uniformly heated, the heating is uniform, and the deicing effect is further improved; the conductor is more flexible and has more excellent bending performance.
Preferably, the outer protective layer is made of TPU elastomer material; the outer jacket is made of a polyurethane elastomer sheath material, the material has good flexibility and wear resistance and high tensile strength, the cable can be protected from being damaged by external force in dragging movement, the quality problem caused by the dragging external force is reduced, and the service life of the cable is greatly prolonged.
Preferably, a filling strip is arranged in the center of tangency points of the three insulating layers, and the filling strip is an aramid fiber yarn rubber filling strip; the power wire core is filled with the aramid fiber silk rubber filling strip at the cabling center, so that the bearing capacity of the cable is improved.
Preferably, the outermost side of the insulating layers of the plurality of power linear conductors is internally tangent to a first wrapping tape, and the first wrapping tape is coated by a heat insulating layer; the power core conductors are attached to each other more tightly.
Preferably, the outer ring of the heat insulation layer is coated by a second wrapping tape; the bag belt is made of non-woven fabrics; the non-woven fabric is also called non-woven fabric, and has the characteristics of moisture resistance, ventilation, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity, no stimulation and the like.
Preferably, the outermost side of the three heating wire core conductors is internally tangent to the third wrapping tape; guarantee the inseparable even winding of heating sinle silk conductor on the insulating layer, further ensure the even of being heated, promote deicing effect.
The utility model has the advantages that:
(1) the conductor adopts the fifth type conductor specified by national standards, and is softer and has more excellent bending performance.
(2) The insulating layer is insulated by silicon rubber, and the material has good insulativity, stability, high and low temperature resistance and good flexibility, and can ensure that the insulating layer does not have problems when the cable is bent.
(3) The heat insulating layer adopts a ceramic fiber band, silicon rubber sheath rubber and a ceramic fiber band, and the material has good heat insulating property, high and low temperature resistance and waterproof performance, and can ensure that the use of the cable is not influenced when the cable is heated by a heating conductor in use.
(4) The outer jacket adopts polyurethane elastomer sheath material, and this material has good compliance, wearability and has very high tensile strength, can protect the cable not receive external force damage in dragging the removal, reduces the quality problem because of dragging external force produces, greatly increased cable life.
Drawings
FIG. 1 is a schematic cross-sectional view of a cable construction of the present invention;
FIG. 2 is a schematic diagram of a portion of the present invention;
fig. 3 is a schematic winding diagram of the heat conducting structure of the present invention.
1. The power core conductor 2, the insulating layer 3, the first wrapping band 4, the filler strip 5, the insulating layer 6, the second wrapping band 7, the heating core conductor 8, the third wrapping band 9, the outer protective layer 10 and the heat conduction structure.
Detailed Description
The technical solutions of the present invention are further described below by way of examples in conjunction with the accompanying drawings, and it should be understood that the preferred examples described herein are only for illustrating and explaining the present invention, and do not limit the present invention.
The embodiment is as follows: as shown in fig. 1, the utility model provides a high and low temperature resistant, wear resistant, waterproof and self-deicing flexible cable, which comprises power core conductors 1, wherein the outer rings of the power core conductors 1 are coated by insulating layers 2, the insulating layers 2 of a plurality of power core conductors 1 are mutually contacted, the outermost sides of the insulating layers 2 of a plurality of power linear conductors 1 are provided with heat insulating layers 5, the outer rings of the heat insulating layers 5 are provided with a plurality of heating core conductors 7, the outer rings of the heating core conductors 7 are provided with outer protecting layers 9, and heat conducting structures 10 are symmetrically, crossly and wound among the heating core conductors 7; the winding that heat conduction structure is alternately even is between the heating core conductor, can carry out even conduction to the heat after the heating core conductor heating, guarantee the even of heating, improve the effect from the deicing, cable conductor has five types of soft conductor bundles to twist and form again, the conductor is crowded to go up silicon rubber insulation outward, carry out the stranding with the sinle silk, go round and wrap ceramic fiber area, then crowded package silicon rubber insulating layer, being wrapping one deck ceramic fiber area around the package, then on the direct stranding insulating layer with the heating conductor, directly crowded package one deck polyurethane outer jacket, insulating line core is first cabled and is filled and is being more stable around package messenger between the sinle silk, tensile strength is bigger, the center is placed and is strengthened the cable atress performance during the stranding, wrap ceramic fiber area simultaneously, increase cable heat-proof performance, can not damage insulating core when heating because of heating conductor. The insulating layer is insulated by silicon rubber, and the material has good insulativity, stability, high and low temperature resistance and good flexibility, and can ensure that the insulating layer does not have problems when the cable is bent.
As shown in fig. 1, the heat conducting structure 10 is wound several turns on the heating core conductor 7; the conductor is more flexible, the bending performance is more excellent, and the heat conduction range is larger.
As shown in fig. 1, the heat conducting structure of the middle part of the adjacent heating core conductor 7 is attached to the third wrapping tape; allowing a greater range of thermal contact to be conducted.
As shown in fig. 1, a filling strip 4 is arranged at the center of the tangent point positions of the three insulating layers 2, and the filling strip 4 is an aramid fiber yarn rubber filling strip; the power wire core is filled with the aramid fiber silk rubber filling strip at the cabling center, so that the bearing capacity of the cable is improved.
As shown in fig. 1, the outermost sides of the insulating layers 2 of the plurality of power linear conductors 1 are internally tangent to the first wrapping tape 3, and the first wrapping tape 3 is covered by the heat insulating layer 5; the power core conductors are attached to each other more tightly.
As shown in fig. 1, the thermal insulation layer 5 is composed of a ceramic fiber tape, a silicone rubber sheath adhesive and a ceramic fiber tape; the heat insulation layer is made of a ceramic fiber tape, a silicon rubber sheath adhesive and a ceramic fiber tape, and the material has good heat insulation, high and low temperature resistance and waterproof performance, and can ensure that the use of the cable is not influenced when the cable is heated by a heating conductor in use.
As shown in fig. 1, the outer ring of the heat insulating layer 5 is covered with a second wrapping band 6; the bag belt is made of non-woven fabrics; the non-woven fabric is also called non-woven fabric, and has the characteristics of moisture resistance, ventilation, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity, no stimulation and the like.
As shown in fig. 1 and fig. 2, the number of the heating wire core conductors 7 is three, and the power wire core conductor 1 adopts a fifth type conductor specified by the national standard; the auxiliary heat conducting structure is positioned, so that the cable can be uniformly wound, the cable is uniformly heated, the heating is uniform, and the deicing effect is further improved.
As shown in fig. 1, the outermost side of the three heating wire core conductors 7 is inscribed in the third cladding tape 8; guarantee the inseparable even winding of heating core conductor on the insulating layer, further ensure the even of being heated, promote deicing effect.
As shown in fig. 1, the outer sheath 9 is made of TPU elastomer material; the outer protective layer is made of a polyurethane elastomer sheath material which has good flexibility, wear resistance and high tensile strength, the cable can be protected from being damaged by external force in dragging movement, the quality problem caused by the dragging external force is reduced, and the service life of the cable is greatly prolonged; the bending performance of the cable can be effectively improved through the technology, the stability of the cable structure is enhanced, damage of the cable caused by rain, snow and frost in winter is reduced, and the service life of the cable is effectively prolonged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a wear-resisting waterproof from deicing formula flexible cable of nai high low temperature, a serial communication port, including power conductor core (1), the outer lane of power conductor core (1) is by insulating layer (2) cladding, insulating layer (2) the mutual contact of a plurality of power conductor core (1), the outside of insulating layer (2) of a plurality of power conductor core (1) is provided with insulating layer (5), the outer lane of insulating layer (5) sets up a plurality of heating conductor core (7), the outer lane of heating conductor core (7) is provided with outer jacket (9), the symmetry alternately twines between heating conductor core (7) has heat conduction structure (10).
2. The flexible cable with high and low temperature resistance, wear resistance, water resistance and self-deicing according to claim 1, characterized in that the heat conducting structure (10) is wound on the heating core conductor (7) for several turns.
3. The flexible cable with high and low temperature resistance, wear resistance, water resistance and self-deicing functions as claimed in claim 1, wherein the heat conducting structure of the intermediate portion of the adjacent heating core conductors (7) is attached to the third covering tape.
4. The flexible cable with high and low temperature resistance, wear resistance, water resistance and self-deicing according to claim 1, characterized in that the thermal insulation layer (5) is composed of ceramic fiber tape, silicone rubber sheath adhesive and ceramic fiber tape.
5. The high and low temperature resistant, wear resistant, waterproof and self-deicing flexible cable according to claim 1, characterized in that the number of the heating core conductors (7) is three, and the power core conductor (1) adopts the fifth type conductor specified by the national standard.
6. The flexible cable with high and low temperature resistance, wear resistance, water resistance and self-deicing according to claim 1, characterized in that the outer sheath (9) is made of TPU elastomer material.
7. The high and low temperature resistant, wear resistant, waterproof and self-deicing flexible cable according to claim 1, characterized in that a filler strip (4) is disposed at the center of tangency points of the three insulation layers (2), and the filler strip (4) is an aramid fiber rubber filler strip.
8. The high and low temperature resistant, wear resistant, waterproof and self-deicing flexible cable according to claim 1, characterized in that the outermost side of the insulating layer (2) of the plurality of power core conductors (1) is inscribed in a first tape (3), and the first tape (3) is covered by a thermal insulation layer (5).
9. The high and low temperature resistant, wear resistant, water resistant, self-deicing flexible cable according to claim 1, characterized in that the outer ring of the thermal insulation layer (5) is covered by a second wrapping band (6).
10. The high and low temperature resistant, wear resistant, water resistant, self-deicing flexible cable according to claim 1, characterized in that the outermost side of the three heating wire core conductors (7) is inscribed in a third wrapping tape (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123453665.2U CN216957489U (en) | 2021-12-31 | 2021-12-31 | High-temperature-resistant, low-temperature-resistant, wear-resistant, waterproof and self-deicing flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123453665.2U CN216957489U (en) | 2021-12-31 | 2021-12-31 | High-temperature-resistant, low-temperature-resistant, wear-resistant, waterproof and self-deicing flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216957489U true CN216957489U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123453665.2U Active CN216957489U (en) | 2021-12-31 | 2021-12-31 | High-temperature-resistant, low-temperature-resistant, wear-resistant, waterproof and self-deicing flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216957489U (en) |
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2021
- 2021-12-31 CN CN202123453665.2U patent/CN216957489U/en active Active
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