CN219891920U - Coaxial grounding cable - Google Patents
Coaxial grounding cable Download PDFInfo
- Publication number
- CN219891920U CN219891920U CN202321036891.7U CN202321036891U CN219891920U CN 219891920 U CN219891920 U CN 219891920U CN 202321036891 U CN202321036891 U CN 202321036891U CN 219891920 U CN219891920 U CN 219891920U
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- China
- Prior art keywords
- layer
- conductive copper
- outside
- copper wires
- coaxial cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052802 copper Inorganic materials 0.000 claims abstract description 26
- 239000010949 copper Substances 0.000 claims abstract description 26
- 239000004020 conductor Substances 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 5
- 239000000835 fiber Substances 0.000 claims abstract description 5
- 239000003063 flame retardant Substances 0.000 claims description 14
- 239000000779 smoke Substances 0.000 claims description 9
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 8
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 8
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 8
- 239000013307 optical fiber Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
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- Communication Cables (AREA)
Abstract
The utility model relates to the technical field of power cables, in particular to a coaxial grounding cable. The protective sleeve is arranged on the outer side of each first conductive copper wire; a plurality of first conductive copper wire multilayer surrounds the array and arranges and constitute the sinle silk whole, and the whole outside envelope of sinle silk has fixed sleeve, and the fixed sleeve outside is provided with the insulating layer, and the insulating layer outside is around the package has first band layer, and first band layer outside is provided with outer conductor layer, and the outer conductor layer is inlayed and is equipped with temperature measurement optic fibre, and the outer conductor layer outside is around the package has the second band layer, and the second band layer outside is provided with the oversheath. Aiming at the technical problem of poor protection performance of the existing coaxial grounding cable, the protection sleeve is arranged on the outer side of each first conductive copper wire, so that when part of the first conductive copper wires are blown due to certain reasons, the adjacent first conductive copper wires are prevented from being influenced, and the fact that most of the conductive copper wires can work continuously is guaranteed.
Description
Technical Field
The utility model relates to the technical field of power cables, in particular to a coaxial grounding cable.
Background
At present, the requirements for high-voltage cables are higher and higher, the development direction of the power cables is also developing to higher voltage levels, and the safety problem is certainly the most interesting point, so that the safety requirements for the use of the cables are higher and higher in order to improve the safety level of the electric circuit and reduce the occurrence and loss of electric fire accidents. The protection performance of the current coaxial grounding cable is poor, and once a short circuit occurs, a plurality of copper wires can be blown together to affect the using effect of the cable, so that the cable is greatly used in a barrier.
Disclosure of Invention
Technical problem to be solved by the utility model
Aiming at the technical problem that the protection performance of the existing coaxial grounding cable is poor, the utility model provides the coaxial grounding cable, and the outer side of each first conductive copper wire is provided with the protection sleeve, so that when part of the first conductive copper wires are blown due to certain reasons, the adjacent first conductive copper wires are prevented from being influenced to be blown, and the continuous operation of most of the conductive copper wires is ensured.
Technical proposal
In order to solve the problems, the technical scheme provided by the utility model is as follows:
the coaxial grounding cable comprises a plurality of first conductive copper wires, wherein a protective sleeve is arranged on the outer side of each first conductive copper wire; the plurality of first conductive copper wire multilayer surrounds the array and arranges and form the sinle silk whole, the whole outside envelope of sinle silk has fixed sleeve, the fixed sleeve outside is provided with the insulating layer, the insulating layer outside is around the package has first band layer, first band layer outside is provided with the outer conductor layer, the inner temperature measurement optic fibre that is equipped with of outer conductor layer, the outer conductor layer outside is around the package has the second band layer, the second band layer outside is provided with the oversheath.
Optionally, the protective sleeve and the fixed sleeve are made of cross-linked polyethylene.
Optionally, the first strap layer is a layer of semiconducting nylon strap that is lapped and wrapped.
Optionally, the first tape layer has a thickness of 0.12mm.
Optionally, the outer conductor layer includes a plurality of second conductive copper wires, the second conductive copper wires are dredged around in the first band layer outside, temperature measurement optic fibre inlays between the second conductive copper wires.
Optionally, at least two temperature measuring optical fibers are arranged.
Optionally, the insulating layer is made of crosslinked polyethylene.
Optionally, the second wrapping layer is a halogen-free low-smoke high-flame-retardant tape with four layers overlapped and wrapped.
Optionally, the overlapping rate of the halogen-free low-smoke high-flame-retardance belt is not lower than 20%.
Optionally, the outer sheath is made of high-flame-retardant polyvinyl chloride sheath material.
Advantageous effects
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
aiming at the technical problem of poor protection performance of the existing coaxial grounding cable, the protection sleeve is arranged on the outer side of each first conductive copper wire, so that the phenomenon that adjacent first conductive copper wires are influenced to blow when part of the first conductive copper wires are blown due to certain reasons can be avoided, and the fact that most of the conductive copper wires can continue to work is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a coaxial grounding cable according to an embodiment of the present utility model.
Detailed Description
For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings. The first, second, etc. words are provided for convenience in describing the technical scheme of the present utility model, and have no specific limitation, and are all generic terms, and do not constitute limitation to the technical scheme of the present utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The technical schemes in the same embodiment and the technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is within the scope of the utility model.
Example 1
Referring to fig. 1, this embodiment proposes a coaxial grounding cable, which is characterized by comprising a plurality of first conductive copper wires 1, wherein a protective sleeve is disposed on the outer side of each first conductive copper wire 1; the plurality of first conductive copper wires 1 are arranged in a surrounding array mode to form a wire core whole, a fixed sleeve 2 is enveloped outside the wire core whole, an insulating layer 3 is arranged outside the fixed sleeve 2, a first wrapping band layer 4 is wrapped outside the insulating layer 3, an outer conductor layer 5 is arranged outside the first wrapping band layer 4, a temperature measuring optical fiber 10 is embedded in the outer conductor layer 5, a second wrapping band layer 6 is wrapped outside the outer conductor layer 5, and an outer sheath 7 is arranged outside the second wrapping band layer 6.
According to the coaxial grounding cable, the outer side of each first conductive copper wire 1 is provided with the protective sleeve, so that when part of the first conductive copper wires 1 are prevented from being blown due to certain reasons, the adjacent first conductive copper wires 1 are prevented from being influenced to be blown, and therefore the fact that most conductive copper wires can work continuously is guaranteed. In addition, in this embodiment, a temperature measuring optical fiber 10 is embedded in the outer conductor layer 5, so as to monitor the temperature of the coaxial grounding cable in real time when the coaxial grounding cable works.
In this embodiment, the protective sleeve is enveloped on a single first conductive copper wire 1 forming the whole wire core, the fixing sleeve 2 is a layer of structure of the whole wire core extruded outside, and the fixing sleeve 2 is used for fixing the whole structure formed by the single first conductive copper wire 1 and the protective sleeve on the surface of the single first conductive copper wire.
As an alternative implementation manner of this embodiment, both the protection sleeve and the fixing sleeve 2 are made of cross-linked polyethylene. The embodiment is a preferable arrangement mode of the protective sleeve and the fixed sleeve 2, and after the polyethylene material is crosslinked, the mechanical strength and the heat resistance are stronger, the stability is better, and the electrical insulation performance is excellent.
As an alternative implementation of this embodiment, the first tape layer 4 is a layer of semiconducting nylon tape that is lapped and wrapped. In this embodiment, the first wrapping layer 4 is a layer of semi-conductive nylon tape that is wrapped in a overlapping manner, so that the interface between the insulating layer 3 and the outer conductor layer 5 can be kept flat, and the surface electric field of the outer conductor layer 5 can be homogenized.
As an alternative to this embodiment, the thickness of the first tape layer 4 is 0.12mm. In this embodiment, the thickness of the first strap layer 4 is 0.12mm, which not only can meet the use requirement, but also can save the cost.
As an alternative implementation manner of this embodiment, the outer conductor layer 5 includes a plurality of second conductive copper wires, the second conductive copper wires are wound around the outer side of the first wrapping layer 4, and the temperature measurement optical fiber 10 is embedded between the second conductive copper wires.
Example 2
Referring to fig. 1, this embodiment proposes a coaxial grounding cable, which can be modified on the basis of embodiment 1 as follows: at least two temperature measuring optical fibers 10 are arranged.
In this embodiment, at least two temperature measuring optical fibers 10 are provided, so that the monitoring of the cable temperature can be better performed, the single optical fiber is prevented from misjudging the actual temperature of the coaxial grounding cable, and the operation reliability of the coaxial grounding cable is improved.
As an alternative implementation manner of this embodiment, the insulating layer 3 is made of a crosslinked polyethylene material. In this embodiment, the insulating layer 3 is a crosslinked polyethylene insulating material, and the crosslinked polyethylene insulating material has good stability and good electrical insulation property.
As an alternative implementation manner of this example, the second wrapping band layer 6 is a halogen-free low-smoke high-flame-retardant band with four layers overlapped and wrapped. In this embodiment, the second wrapping layer 6 is preferably a halogen-free low-smoke high-flame-retardant tape with four layers of overlapped wrapping, so that the flame retardant performance of the coaxial grounding cable is improved, and the coaxial grounding cable is protected from running safely.
As an alternative implementation manner of the embodiment, the overlapping rate of the halogen-free low-smoke high-flame-retardance belt is not lower than 20%. In the embodiment, on the basis of overlapping and wrapping four layers of halogen-free low-smoke high-flame-retardant tapes, the overlapping rate of the halogen-free low-smoke high-flame-retardant tapes is not lower than 20%, so that the flame retardant performance of the cable can be further improved, and the coaxial grounding cable is protected from running safely.
As an alternative implementation of this example, the outer sheath 7 is made of a high flame retardant polyvinyl chloride sheath material. In this embodiment, the outer sheath 7 is made of a high flame retardant polyvinyl chloride sheath material, so that the overall flame retardant performance of the coaxial grounding cable is more excellent.
The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.
Claims (10)
1. The coaxial grounding cable is characterized by comprising a plurality of first conductive copper wires, wherein a protective sleeve is arranged on the outer side of each first conductive copper wire; the plurality of first conductive copper wire multilayer surrounds the array and arranges and form the sinle silk whole, the whole outside envelope of sinle silk has fixed sleeve, the fixed sleeve outside is provided with the insulating layer, the insulating layer outside is around the package has first band layer, first band layer outside is provided with the outer conductor layer, the inner temperature measurement optic fibre that is equipped with of outer conductor layer, the outer conductor layer outside is around the package has the second band layer, the second band layer outside is provided with the oversheath.
2. The coaxial cable of claim 1, wherein the protective sleeve and the retaining sleeve are each made of crosslinked polyethylene.
3. The coaxial cable of claim 1, wherein the first strap layer is a layer of semiconducting nylon strap that is lapped around.
4. A coaxial ground cable according to claim 3 wherein the first tape layer has a thickness of 0.12mm.
5. The coaxial cable according to claim 1, wherein the outer conductor layer comprises a plurality of second conductive copper wires, the second conductive copper wires are wound around the outer side of the first wrapping layer, and the temperature measuring optical fiber is embedded between the second conductive copper wires.
6. A coaxial cable according to claim 1, wherein at least two of said temperature sensing fibers are provided.
7. The coaxial cable of claim 1, wherein the insulating layer is made of crosslinked polyethylene.
8. The coaxial cable of claim 1, wherein the second tape layer is a four layer overlapping, halogen free, low smoke, high flame retardant tape.
9. The coaxial cable of claim 8, wherein the halogen-free low smoke, high flame retardant tape has an overlap of not less than 20%.
10. The coaxial cable of claim 1, wherein the outer jacket is a highly flame retardant polyvinyl chloride jacket material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321036891.7U CN219891920U (en) | 2023-05-04 | 2023-05-04 | Coaxial grounding cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321036891.7U CN219891920U (en) | 2023-05-04 | 2023-05-04 | Coaxial grounding cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219891920U true CN219891920U (en) | 2023-10-24 |
Family
ID=88400074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321036891.7U Active CN219891920U (en) | 2023-05-04 | 2023-05-04 | Coaxial grounding cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219891920U (en) |
-
2023
- 2023-05-04 CN CN202321036891.7U patent/CN219891920U/en active Active
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