CN211181734U - Novel low-voltage cable - Google Patents
Novel low-voltage cable Download PDFInfo
- Publication number
- CN211181734U CN211181734U CN201920582936.8U CN201920582936U CN211181734U CN 211181734 U CN211181734 U CN 211181734U CN 201920582936 U CN201920582936 U CN 201920582936U CN 211181734 U CN211181734 U CN 211181734U
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- Prior art keywords
- layer
- conductive core
- moisture absorption
- novel low
- cable
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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 low tension cable is disclosed, include: the conductive core and the wrapping layer wrapping the conductive core, wherein the outer surface of the central conducting wire of the conductive core is provided with a moisture absorption wire. The utility model discloses a central wire surface of low tension cable's electrically conductive core is equipped with the moisture absorption line, because the inside and outside difference in temperature of cable or the inside temperature variation of cable is great and the moisture that produces can be absorbed by the moisture absorption line, guarantees the good electric conductive property of cable.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to novel low tension cable.
Background
Cables are usually buried underground and therefore require some protection from moisture. A conventional low voltage cable includes: the outer layers of the conductive core and the conductive core are polyethylene or crosslinked polyethylene insulating layers, non-hygroscopic filling is filled between the polyethylene insulating layers, and a wrapping tape is wound outside the non-hygroscopic filling. The structure isolates external moisture, but the conducting core is affected by moisture due to large internal and external temperature difference or large temperature change inside the cable.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel low tension cable solves among the prior art because inside and outside difference in temperature or the inside temperature variation of cable is great, leads to the problem of getting damp on the conductive core.
The utility model discloses a novel low tension cable, include: the conductive core and the wrapping layer wrapping the conductive core, wherein the outer surface of the central conducting wire of the conductive core is provided with a moisture absorption wire.
Wherein, the moisture absorption line is wound on the outer surface of the central lead in a spiral manner.
Wherein, the parcel layer includes from inside to outside: conductor shielding layer, insulating shield layer, filling layer, steel belt layer and overcoat layer.
Wherein, the steel belt layer is a reticular steel belt layer.
Wherein the moisture absorption thread is cotton thread.
The utility model discloses a novel low tension cable's electrically conductive core's central conductor surface is equipped with the moisture absorption line, because the inside and outside difference in temperature of cable or the inside temperature variation of cable is great and the moisture that produces can be absorbed by the moisture absorption line, guarantees the good electric conductive property of cable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is the structural schematic diagram of the novel low-voltage cable of the present invention.
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 efforts belong to the protection scope of the present invention.
The novel low-voltage cable of the embodiment is shown in fig. 1 and comprises: the conductive core 1 and the wrapping layer wrapping the conductive core, and the moisture absorption line 8 is arranged on the outer surface of the central wire of the conductive core 1. Because the inside and outside difference in temperature of cable or the inside temperature variation of cable are great and the moisture that produces can be absorbed by moisture absorption line 8, moisture absorption line 8 sets up the central wire surface at conductor core 1 in addition, the cable is in normal operating, because the skin effect of electric current, the electric current flows in the superficial layer of electrically conductive core 1, middle wire does not have the electric current hardly, has both guaranteed the security of whole electric current (if can flow through because of having the electric current on conductor core 1 superficial layer, lead to the conductor to generate heat, burn and wear the protective layer), guarantee the good electric conductive property of cable again.
The novel low-voltage cable moisture absorption line 8 is wound on the outer surface of the central conductor in a spiral manner, so that the moisture absorption line 8 is longer and the moisture absorption effect is better.
In this embodiment, taking a cable with a set of conductive cores 1 as an example, the wrapping layer includes, from inside to outside: the conductor shielding layer 2, the insulating layer 3, the insulating shielding layer 4, the filling layer 5, the steel belt layer 6 and the outer sleeve layer 7, although the filling layer 5 can be made of waterproof material. If the conductive cores 1 are multiple groups, the outer surface of the middle lead of each group of conductive cores 1 is provided with a moisture absorption line 8.
The steel belt layer 6 is a net-shaped steel belt layer, and the net-shaped steel belt layer is relatively weak in strength, but is relatively easy to bend and relatively good in bending performance.
In this embodiment, the moisture absorption line 8 is a cotton thread, which has low cost and good moisture absorption performance, and may be made of other materials with strong water absorption performance.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. A novel low voltage cable comprising: the moisture absorption type conductive core comprises a conductive core and a wrapping layer wrapping the conductive core, and is characterized in that moisture absorption lines are arranged on the outer surface of a central wire of the conductive core, and if the conductive core is a plurality of groups of conductive cores, the moisture absorption lines are arranged on the outer surface of a middle wire of each group of conductive cores.
2. The novel low voltage cable as claimed in claim 1, wherein the moisture absorbing wire is wound on the outer surface of the center conductor in a spiral shape.
3. The novel low voltage cable of claim 1, wherein said outer covering comprises, from inside to outside: conductor shielding layer, insulating shield layer, filling layer, steel belt layer and overcoat layer.
4. A novel low voltage cable according to claim 3, wherein said steel tape layer is a mesh steel tape layer.
5. The novel low-voltage cable as claimed in any one of claims 1 to 4, wherein the moisture absorption line is cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920582936.8U CN211181734U (en) | 2019-04-25 | 2019-04-25 | Novel low-voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920582936.8U CN211181734U (en) | 2019-04-25 | 2019-04-25 | Novel low-voltage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211181734U true CN211181734U (en) | 2020-08-04 |
Family
ID=71804249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920582936.8U Expired - Fee Related CN211181734U (en) | 2019-04-25 | 2019-04-25 | Novel low-voltage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211181734U (en) |
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2019
- 2019-04-25 CN CN201920582936.8U patent/CN211181734U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 Termination date: 20210425 |
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| CF01 | Termination of patent right due to non-payment of annual fee |