CN216793376U - Noninductive coaxial cable - Google Patents
Noninductive coaxial cable Download PDFInfo
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- CN216793376U CN216793376U CN202122565683.3U CN202122565683U CN216793376U CN 216793376 U CN216793376 U CN 216793376U CN 202122565683 U CN202122565683 U CN 202122565683U CN 216793376 U CN216793376 U CN 216793376U
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- layer
- cable
- protective
- noninductive
- coaxial cable
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- 230000001681 protective effect Effects 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 6
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 6
- 229920001971 elastomer Polymers 0.000 claims abstract description 5
- 239000005060 rubber Substances 0.000 claims abstract description 5
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 5
- 230000002265 prevention Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims 1
- 239000000945 filler Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 6
- 230000006698 induction Effects 0.000 description 5
- 230000001939 inductive effect Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- 229910052726 zirconium Inorganic materials 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of cables and discloses an noninductive coaxial cable which comprises a protective outer sleeve, wherein a spiral protective pipe wraps the protective outer sleeve, an inner layer protective pipe wraps the inner side wall of the spiral protective pipe, a filling layer is filled in the inner layer protective pipe, a plurality of cable cores are arranged in the inner layer protective pipe, and an insulating layer wraps the outer surfaces of the cable cores. This noninductive coaxial cable, through the spiral protection tube that uses elastic rubber to make, when the cable received external force and assaulted, can protect the cable inner core, through the wearing layer that uses the butadiene rubber layer to make, can improve the wearability of cable and improve the holistic toughness of protective sheath, through the filling layer that sets up the silicon rubber material and make in the inside of inlayer protection tube, it is sufficient to effectual fill all spaces inside the inlayer protection tube, make the cable reduce because produce the gap and the problem of losing.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to an noninductive coaxial cable.
Background
At present, each phase of a high-voltage power transmission and transformation line with the voltage of more than 110kv generally uses a single-core cable to transmit alternating current, and three phases are laid in a straight line or a delta shape. The high-voltage single-core cable generally comprises a metal sleeve, such as a corrugated aluminum metal sleeve, wherein the metal sleeve can generate induction voltage under the action of an alternating electric field generated by each phase of current transmission, induction current can also be generated in the metal sleeve, the resistivity of the metal sleeve is small, the lower induction voltage can also generate larger induction current, and the induction current can cause the metal sleeve to generate heat, so that the current-carrying capacity of the cable is reduced, and the power transmission safety is influenced.
Some cable devices currently on the market:
(1) in the use process of the noninductive coaxial cable, the existing cable is exposed outside for a long time and is easy to be impacted by external force, and the inner core of the cable is easy to be damaged;
(2) in the use process of the noninductive coaxial cable, the temperature of the use environment of the cable is high, and the cable is easy to generate insulation aging and scorching phenomena at high temperature, so that the performance of the cable is lost, and the service life of the cable is influenced.
We have therefore proposed an noninductive coaxial cable in order to solve the problems set forth above.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the defects in the prior art in the background art, the present invention is to provide a non-inductive coaxial cable to solve the problems of poor pressure resistance and poor high temperature resistance of some non-inductive coaxial cables in the market proposed in the background art.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a noninductive coaxial cable comprises a protective outer sleeve, wherein a spiral protective pipe wraps the inner part of the protective outer sleeve, an inner layer protective pipe wraps the inner side wall of the spiral protective pipe, a filling layer is filled in the inner layer protective pipe, a plurality of cable inner cores are arranged in the inner layer protective pipe, and insulating layers wrap the outer surfaces of the cable inner cores;
the inside of protective sheath is provided with the fire prevention insulating layer, the surface of fire prevention insulating layer is provided with the wearing layer.
Preferably, the spiral protection pipe is made of elastic rubber and is adhered to the outer surface of the inner protection pipe in a spiral shape.
Preferably, the fireproof heat-insulating layer is made of high-temperature-resistant nano aluminum oxide, nano titanium oxide and nano zirconium materials, and one side face of the fireproof heat-insulating layer is adhered to the inner side wall of the wear-resistant layer.
Preferably, the wear-resistant layer is made of a butadiene rubber layer, and the outer surface of the wear-resistant layer is coated with anti-corrosion paint.
Preferably, the filling layer comprises a silicone rubber material, and the outer surface of the filling layer is adhered to the inner side wall of the inner protection pipe.
Preferably, each insulating layer is made of an insulating layer made of a PVC material, each cable core is made of a plurality of stranded steel wires, and an outer surface of each cable core is attached to an inner side wall of the insulating layer.
(III) advantageous effects
Compared with the prior art, the utility model has the beneficial effects that: this noninductive coaxial cable:
(1) through the spiral protection tube that uses elastic rubber to make, when external force impact is received to the cable, can protect the cable inner core, wearing layer through using the butadiene rubber layer to make, can improve the wearability of cable and improve the holistic toughness of protective sheath, through scribbling the anticorrosive nature lacquer at the exterior surface of wearing layer, can effectively improve the long-time corrosion resistance of cable, the filling layer of making through the inside setting silicon rubber material of inlayer protection tube, it is sufficient to effectual fill all spaces inside the inlayer protection tube, make the cable reduce because produce the gap and the problem of losing.
(2) The fireproof heat-insulating layer made of high-temperature nano aluminum oxide, nano titanium oxide and nano zirconium materials can improve the overall high-temperature resistance of the cable and prolong the service life of the cable.
Drawings
FIG. 1 is a schematic front view of a non-inductive coaxial cable according to the present invention;
FIG. 2 is a schematic structural diagram of a spiral protection tube of the noninductive coaxial cable according to the present invention;
FIG. 3 is a schematic view of the inner protective tube of the non-inductive coaxial cable according to the present invention;
fig. 4 is a schematic view of a dissecting structure of the protective sheath of the noninductive coaxial cable according to the present invention.
In the figure: the cable comprises a protective outer sleeve 1, an inner layer protection tube 2, a cable inner core 3, a spiral protection tube 4, a filling layer 5, a wear-resistant layer 6, a fireproof heat insulation layer 7 and an insulation layer 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a non-inductive coaxial cable; the cable comprises a protective outer sleeve 1, wherein a spiral protection pipe 4 is wrapped inside the protective outer sleeve 1, an inner layer protection pipe 2 is wrapped on the inner side wall of the spiral protection pipe 4, a filling layer 5 is filled inside the inner layer protection pipe 2, a plurality of cable cores 3 are arranged inside the inner layer protection pipe 2, and an insulating layer 8 is wrapped on the outer surface of each cable core 3;
the inside of protective sheath 1 is provided with fire prevention insulating layer 7, and the surface of fire prevention insulating layer 7 is provided with wearing layer 6.
As a preferred technical scheme of the utility model: the spiral protection pipe 4 is made of elastic rubber, and the spiral protection pipe 4 is adhered to the outer surface of the inner layer protection pipe 2 in a spiral shape.
As a preferred technical scheme of the utility model: the fireproof heat insulation layer 7 is made of high-temperature-resistant nano aluminum oxide, nano titanium oxide and nano zirconium materials, one side face of the fireproof heat insulation layer 7 is adhered to the inner side wall of the wear-resistant layer 6, the heat insulation performance of the high-temperature-resistant nano aluminum oxide, nano titanium oxide and nano zirconium materials is 3-4 times better than that of traditional fiber heat insulation materials, and the internal cable can be protected from being affected by external high temperature.
As a preferred technical scheme of the utility model: the wear-resistant layer 6 is made of a butadiene rubber layer, the outer surface of the wear-resistant layer 6 is coated with anti-corrosion paint, and the butadiene rubber layer has the characteristics of high elasticity, good wear resistance, good cold resistance, low heat generation, good bending resistance, good dynamic performance and the like.
As a preferred technical scheme of the utility model: the filling layer 5 comprises a silicon rubber material, and the outer surface of the filling layer 5 is adhered to the inner side wall of the inner protection pipe 2.
As a preferred technical scheme of the utility model: each insulating layer 8 is made of a PVC material, each cable core 3 is made of a plurality of stranded steel wires, and the outer surface of each cable core 3 is attached to the inner side wall of the insulating layer 8.
Those not described in detail in this specification are well within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, may be fixedly connected or detachably connected; or indirectly through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations; it will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.
Claims (5)
1. The noninductive coaxial cable comprises a protective outer sleeve (1), and is characterized in that a spiral protective pipe (4) is wrapped inside the protective outer sleeve (1), an inner layer protective pipe (2) is wrapped on the inner side wall of the spiral protective pipe (4), a filling layer (5) is filled inside the inner layer protective pipe (2), a plurality of cable cores (3) are arranged inside the inner layer protective pipe (2), and an insulating layer (8) is wrapped on the outer surface of each cable core (3);
the inside of protective outer cover (1) is provided with fire prevention insulating layer (7), the surface of fire prevention insulating layer (7) is provided with wearing layer (6).
2. Noninductive coaxial cable according to claim 1, characterized in that the spiral protection tube (4) is made of elastic rubber;
the spiral protection pipe (4) is spirally adhered to the outer surface of the inner layer protection pipe (2).
3. The noninductive coaxial cable of claim 1, characterized in that the abrasion resistant layer (6) is made of a layer of butadiene rubber;
the outer surface of the wear-resistant layer (6) is coated with anti-corrosion paint.
4. The noninductive coaxial cable of claim 1, characterized in that the filler layer (5) comprises a silicone rubber material;
the outer surface of the filling layer (5) is adhered to the inner side wall of the inner layer protection pipe (2).
5. -the noninductive coaxial cable according to claim 1, characterized in that each of said insulating layers (8) is an insulating layer made of PVC material;
each cable inner core (3) is made of a plurality of stranded steel wires;
the outer surface of each cable inner core (3) is attached to the inner side wall of the insulating layer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122565683.3U CN216793376U (en) | 2021-10-25 | 2021-10-25 | Noninductive coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122565683.3U CN216793376U (en) | 2021-10-25 | 2021-10-25 | Noninductive coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216793376U true CN216793376U (en) | 2022-06-21 |
Family
ID=81999013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122565683.3U Active CN216793376U (en) | 2021-10-25 | 2021-10-25 | Noninductive coaxial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216793376U (en) |
-
2021
- 2021-10-25 CN CN202122565683.3U patent/CN216793376U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A non inductive coaxial cable Effective date of registration: 20221103 Granted publication date: 20220621 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Xi'an Yinhe Power Electronic Communications Co.,Ltd. Registration number: Y2022610000703 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220621 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Xi'an Yinhe Power Electronic Communications Co.,Ltd. Registration number: Y2022610000703 |