CN206505761U - A kind of low-resistance water-proof cable - Google Patents
A kind of low-resistance water-proof cable Download PDFInfo
- Publication number
- CN206505761U CN206505761U CN201621433876.6U CN201621433876U CN206505761U CN 206505761 U CN206505761 U CN 206505761U CN 201621433876 U CN201621433876 U CN 201621433876U CN 206505761 U CN206505761 U CN 206505761U
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- CN
- China
- Prior art keywords
- polyvinyl chloride
- chloride insulation
- insulation sheath
- low
- resistance water
- Prior art date
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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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- Insulated Conductors (AREA)
Abstract
The utility model is related to field of cable technology, and in particular to water-proof cable.A kind of low-resistance water-proof cable, including a polyvinyl chloride insulation sheath, provided with least one cable core in polyvinyl chloride insulation sheath, polyvinyl chloride insulation sheath is externally provided with a stainless steel corrugated flexible hose, one 0.8mm~1.2mm gap is left between polyvinyl chloride insulation sheath and stainless steel corrugated flexible hose；Polyvinyl chloride insulation sheath includes an internal layer, an outer layer, and cable core is arranged in internal layer, and a waterproof membrane is provided between internal layer and outer layer.The utility model sets waterproof membrane in sheath, improves waterproof effect.
Description
Technical field
The utility model is related to field of cable technology, and in particular to water-proof cable.
Background technology
Power cable is when in use, it is necessary to note waterproof, and cable easily causes safety hidden in the case where water resistance is poor
Suffer from, not only result in economic loss, more threaten personal safety.
Utility model content
The purpose of this utility model is to provide a kind of low-resistance water-proof cable, to solve above-mentioned technical problem.
The technical problem that the utility model is solved can be realized using following technical scheme：
Set in a kind of low-resistance water-proof cable, including a polyvinyl chloride insulation sheath, the polyvinyl chloride insulation sheath
There is at least one cable core, it is characterised in that the polyvinyl chloride insulation sheath is externally provided with a stainless steel corrugated flexible hose, the polychlorostyrene
One 0.8mm~1.2mm gap is left between ethene insulating sheath and the stainless steel corrugated flexible hose；
The polyvinyl chloride insulation sheath includes an internal layer, an outer layer, and at least two cable cores are arranged on the internal layer
It is interior, a waterproof membrane is provided between the internal layer and the outer layer.
The utility model sets waterproof membrane in sheath, improves waterproof effect.
Sheath leaves gap with flexible pipe part, is easily installed, or, adhesive waterproof tape can be wound outside sheath, improves waterproof effect.
The waterproof membrane is the waterproof membrane that polyurethane water-proof paint is made.Polyurethane water-proof paint is coated to the outer of internal layer
Surface, forms the fissureless waterproof membrane of an integration, while the waterproof membrane acid and alkali-resistance formed corrodes, improves security.
The cable core includes the stranded conductor of at least two copper wires, and the surface of the copper wire is provided with least three strips
Groove, the length direction of the strip groove is identical with the length direction of the copper wire.Because alternating current exists when in use
Skin effect, when electric current passes through cable core conductor, concentrates on the thin layer of conductor appearance, closer to conductive surface, current density is bigger, therefore
And this design, to utilize Kelvin effect, reduces current loss to increase the external surface area of conductor, resistance is reduced.
The cross section of the strip groove is in semicircle shape.The groove of semicircle shape compares the groove increase of other cross sectional shapes more
Many surface areas, while the groove of semicircle shape also has preferably stability, will not excessively influence the original intensity of copper wire.Strip
The cross section of groove refers to perpendicular to the section of strip groove length direction.The diameter of the copper wire is described in 0.5mm~2mm
The depth of groove is in 0mm~0.4mm.
Raised provided with least two on the outside of the polyvinyl chloride insulation sheath, the projection is evenly distributed on the outer layer
On outer surface, raised height is in 0.8mm~0.1.3mm described at least two.To increase polyvinyl chloride insulation sheath with not
Frictional force between rust steel corrugated flexible hose.
It is described raised in round table-like.To increase the contact area of raised and stainless steel corrugated flexible hose, frictional force is improved, and then
Structural strength is improved, round table-like projection also enhances bonding strength of the projection itself with polyvinyl chloride insulation sheath.
Brief description of the drawings
Fig. 1 is part-structure sectional view of the present utility model.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face, which combines to be specifically illustrating, is expanded on further the utility model.
Referring to Fig. 1, a kind of low-resistance water-proof cable, including a polyvinyl chloride insulation sheath, polyvinyl chloride insulation sheath
It is interior that provided with least one cable core, polyvinyl chloride insulation sheath is externally provided with a stainless steel corrugated flexible hose 4, polyvinyl chloride insulation sheath with
One 0.8mm~1.2mm gap is left between stainless steel corrugated flexible hose；Polyvinyl chloride insulation sheath includes an internal layer 2, an outer layer
3, cable core is arranged in internal layer, and a waterproof membrane 5 is provided between internal layer 2 and outer layer 3.The utility model sets waterproof in sheath
Film, improves waterproof effect.
Sheath leaves gap with flexible pipe part, is easily installed, or, adhesive waterproof tape can be wound outside sheath, improves waterproof effect.
Waterproof membrane 5 is the waterproof membrane that polyurethane water-proof paint is made.Polyurethane water-proof paint is coated to the appearance of internal layer
Face, forms the fissureless waterproof membrane of an integration, while the waterproof membrane acid and alkali-resistance formed corrodes, improves security.
Cable core includes the stranded conductor of at least two copper wires 1, and the surface of copper wire 1 is provided with least three strip grooves,
The length direction of strip groove is identical with the length direction of copper wire.Because there is Kelvin effect, electric current warp when in use in alternating current
When crossing cable core conductor, the thin layer of conductor appearance is concentrated on, closer to conductive surface, current density is bigger, so this designs to increase
Plus the external surface area of conductor, to utilize Kelvin effect, current loss is reduced, resistance is reduced.
The cross section of strip groove is in semicircle shape.The groove of semicircle shape is more compared to the groove increase of other cross sectional shapes
Surface area, while the groove of semicircle shape also has preferably stability, will not excessively influence the original intensity of copper wire.Strip groove
Cross section refer to perpendicular to the section of strip groove length direction.The diameter of copper wire exists in 0.5mm~2mm, the depth of groove
0mm~0.4mm.
At least two projections 31 are provided with the outside of polyvinyl chloride insulation sheath, projection 31 is evenly distributed on the outer surface of outer layer
On, at least two raised height are in 0.8mm~0.1.3mm.It is soft to increase polyvinyl chloride insulation sheath and stainless steel ripple
Frictional force between pipe.
Projection is in round table-like.To increase the contact area of raised and stainless steel corrugated flexible hose, frictional force is improved, and then improve
Structural strength, round table-like projection also enhances bonding strength of the projection itself with polyvinyl chloride insulation sheath.
The radio frequency that a ring-type is embedded with an annular recess, annular recess is offered on the outer wall of polyvinyl chloride insulation sheath
Card, radio-frequency card includes being provided with radio frequency chip in a plastic packaging housing, plastic packaging housing, and plastic packaging housing is the ring matched with annular recess
Shape body.Ring bodies is provided with opening.It is easy to radio-frequency card to be detachably arranged on polyvinyl chloride insulation sheath.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.This
The technical staff of industry is retouched in above-described embodiment and specification it should be appreciated that the utility model is not restricted to the described embodiments
That states simply illustrates principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model
Various changes and modifications are also had, these changes and improvements are both fallen within the range of claimed the utility model.This practicality is new
Scope is claimed by appended claims and its equivalent thereof in type.
Claims (5)
1. it is provided with a kind of low-resistance water-proof cable, including a polyvinyl chloride insulation sheath, the polyvinyl chloride insulation sheath
At least one cable core, it is characterised in that the polyvinyl chloride insulation sheath is externally provided with a stainless steel corrugated flexible hose, the polychlorostyrene second
One 0.8mm~1.2mm gap is left between alkene insulating sheath and the stainless steel corrugated flexible hose；
The polyvinyl chloride insulation sheath includes an internal layer, an outer layer, and the cable core is arranged in the internal layer, the internal layer with
A waterproof membrane is provided between the outer layer.
2. a kind of low-resistance water-proof cable according to claim 1, it is characterised in that：The cable core includes at least two
The stranded conductor of copper wire, the surface of the copper wire is provided with least three strip grooves, the length direction of the strip groove and institute
The length direction for stating copper wire is identical.
3. a kind of low-resistance water-proof cable according to claim 2, it is characterised in that：The cross section of the strip groove
In semicircle shape.
4. a kind of low-resistance water-proof cable according to claim 1, it is characterised in that：The polyvinyl chloride insulation sheath
Outside is raised provided with least two, and the projection is evenly distributed on the outer surface of the outer layer, raised described at least two
Height is in 0.8mm~0.1.3mm.
5. a kind of low-resistance water-proof cable according to claim 4, it is characterised in that：It is described raised in round table-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621433876.6U CN206505761U (en) | 2016-12-26 | 2016-12-26 | A kind of low-resistance water-proof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621433876.6U CN206505761U (en) | 2016-12-26 | 2016-12-26 | A kind of low-resistance water-proof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206505761U true CN206505761U (en) | 2017-09-19 |
Family
ID=59838764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621433876.6U Active CN206505761U (en) | 2016-12-26 | 2016-12-26 | A kind of low-resistance water-proof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206505761U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682505A (en) * | 2018-08-27 | 2018-10-19 | 镇江华源晋昌电器有限公司 | A kind of low resistance shielding waterproof cable |
| CN109102943A (en) * | 2018-08-27 | 2018-12-28 | 镇江华源晋昌电器有限公司 | A kind of high tenacity low resistance shielding waterproof cable |
| CN109300609A (en) * | 2018-10-25 | 2019-02-01 | 上海爱谱华顿电子科技（集团）有限公司 | UTP cable for digital monitor system |
-
2016
- 2016-12-26 CN CN201621433876.6U patent/CN206505761U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682505A (en) * | 2018-08-27 | 2018-10-19 | 镇江华源晋昌电器有限公司 | A kind of low resistance shielding waterproof cable |
| CN109102943A (en) * | 2018-08-27 | 2018-12-28 | 镇江华源晋昌电器有限公司 | A kind of high tenacity low resistance shielding waterproof cable |
| CN109300609A (en) * | 2018-10-25 | 2019-02-01 | 上海爱谱华顿电子科技（集团）有限公司 | UTP cable for digital monitor system |
| CN109300609B (en) * | 2018-10-25 | 2020-06-16 | 上海爱谱华顿电子科技（集团）有限公司 | UTP cable for digital monitoring system |
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