CN215417626U - Withstand voltage prevents power cable under water that soaks - Google Patents
Withstand voltage prevents power cable under water that soaks Download PDFInfo
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- CN215417626U CN215417626U CN202121761881.0U CN202121761881U CN215417626U CN 215417626 U CN215417626 U CN 215417626U CN 202121761881 U CN202121761881 U CN 202121761881U CN 215417626 U CN215417626 U CN 215417626U
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- resistant
- blocking
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000010410 layer Substances 0.000 claims abstract description 60
- 239000004760 aramid Substances 0.000 claims abstract description 20
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 20
- 239000011241 protective layer Substances 0.000 claims abstract description 16
- 238000002955 isolation Methods 0.000 claims abstract description 13
- 238000007654 immersion Methods 0.000 claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 238000004078 waterproofing Methods 0.000 claims abstract description 7
- 230000009974 thixotropic effect Effects 0.000 claims abstract description 6
- 239000002131 composite material Substances 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000009954 braiding Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 5
- 229920002725 thermoplastic elastomer Polymers 0.000 abstract description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a pressure-resistant and water-immersion-resistant underwater power cable which comprises a cable core sleeve, wherein a plurality of groups of core wires are arranged in the cable core sleeve, a conductor insulating layer wraps the outer sides of the core wires, a water-blocking isolation layer is arranged on the outer side of the cable core sleeve, a shielding layer is arranged outside the water-blocking isolation layer, a protective layer is arranged outside the shielding layer, a water-blocking aramid yarn layer is arranged outside the protective layer, an outer sheath is arranged outside the water-blocking aramid yarn layer, and a plurality of wear-resistant protrusions are arranged on the outer sheath. The cable core is arranged in the cable core sleeve, and the cable core sleeve is a thermoplastic elastomer, so that the pressure resistance of the cable is greatly enhanced; the inner cavity of the cable core sleeve is filled with thixotropic water-blocking type fiber paste, the water-blocking isolation layer and the water-blocking type aramid yarn layer are arranged on the outer side of the cable core sleeve, and the thixotropic water-blocking type fiber paste, the water-blocking isolation layer and the water-blocking type aramid yarn layer are matched for multiple waterproofing, so that water vapor or water outside the cable is prevented from entering the optical cable through the cable connection cross section end.
Description
Technical Field
The utility model relates to the technical field of underwater power cables, in particular to a pressure-resistant and water immersion-resistant underwater power cable.
Background
The underwater cable is mainly applied to underwater electrical equipment and realizes the functions of power transmission, signal control, information transfer, transmission and the like. The existing underwater cable with rated voltage of 0.6/1kV and the following levels has the structure that: after the conductor is twisted, the cable is wrapped by extruding plastic insulation and cabling, and then the material sheath is extruded to form the cable.
At present, in the use process of various underwater electrical equipment, cables are damaged by various organisms or cable ends are not sealed in the underwater process, so that the cables enter water to cause equipment burnout, and the cables are lack of strength and are influenced to be used under the condition of overlarge underwater pressure. It can be seen that the deficiencies of the prior art are: the pressure-resistant and water-immersion-resistant capability of the cable structure is not enough. Therefore, a pressure-resistant and waterproof underwater power cable is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pressure-resistant and immersion-resistant underwater power cable to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a withstand voltage prevents power cable under water that soaks, includes the cable core sleeve pipe, the intraductal multiunit heart yearn that is equipped with of cable core, the parcel of heart yearn outside has conductor insulation layer, the sheathed tube outside of cable core is equipped with the isolated layer that blocks water, the isolated layer outside that blocks water is equipped with the shielding layer, the shielding layer outside is equipped with the protective layer, the protective layer outside is equipped with the aramid yarn layer of the waterproofing type, the aramid yarn layer outside of the waterproofing type is equipped with the oversheath, be equipped with a plurality of wear-resisting archs on the oversheath.
Preferably, the water-blocking aramid yarn layer is formed by winding 2 water-blocking aramid yarns in a forward and reverse spiral mode in the outer side of the protective layer in a crossed mode.
Preferably, the inner cavity of the cable core sleeve is filled with thixotropic water-blocking fiber paste.
Preferably, the shielding layer is an oxygen-free copper wire braided layer, and the braiding density is not lower than 75%.
Preferably, the protective layer is a steel belt woven layer.
Preferably, the water-blocking isolation layer is an aluminum-plastic composite tape, and the aluminum-plastic composite tape is longitudinally wrapped on the cable core sleeve.
Preferably, the water-blocking isolation layer is made of polyester fiber woven cloth and a high-water-absorption material in a composite mode.
Compared with the prior art, the utility model has the beneficial effects that:
the cable core is arranged in the cable core sleeve, and the cable core sleeve is a thermoplastic elastomer, so that the pressure resistance of the cable is greatly enhanced; the inner cavity of the cable core sleeve is filled with thixotropic water-blocking fiber paste to prevent water vapor or water outside the cable from entering the optical cable through the cable connecting section end;
the water-blocking isolation layer made of the aluminum-plastic composite material is arranged on the outer side of the cable core sleeve, and the aluminum-plastic composite material has good water resistance, corrosion resistance and toughness, so that water is prevented from permeating into the cable, safety accidents are avoided, and the safety of the cable is improved;
thirdly, waterproofing type aramid yarn layer is by 2 waterproofing type aramid yarns, adopts the positive reverse spiral alternately to twine in the protective layer outside and forms, prevents inside cable outside steam or who gets into the optical cable through cable junction cross-section end, plays multiple waterproof effect with the isolated layer cooperation that blocks water.
Drawings
FIG. 1 is a schematic structural view of the present invention;
reference numbers in the figures: 1 heart yearn, 2 conductor insulation layers, 3 water blocking type aramid yarn layers, 4 cable core sleeve pipes, 5 shielding layers, 6 protective layers, 7 water blocking isolation layers, 8 outer sheaths and 9 wear-resistant bulges.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a pressure-resistant and water immersion-resistant underwater power cable comprises a cable core sleeve 4, wherein the cable core sleeve 4 is a thermoplastic elastomer. Furthermore, the thermoplastic elastomer contains steel wires, so that the pressure resistance of the cable is greatly enhanced; a plurality of groups of core wires 1 are arranged in the cable core sleeve 4, the core wires 1 are stranded tinned copper wire conductors, excellent electrical performance can be guaranteed, corrosion resistance can meet the requirement of running in an underwater environment for a long time, and the inner cavity of the cable core sleeve 4 is filled with thixotropic water-blocking type fiber paste to prevent water vapor or water outside the cable from entering the optical cable through the cable connecting section end;
the outer side of the core wire 1 is wrapped with the conductor insulating layer 2, the conductor insulating layer 2 is made of natural rubber, the natural rubber has good insulating property, the insulating layer structure improves the insulating property of the cable, the cable is effectively prevented from generating electric leakage safety accidents, and the safety performance of the cable is improved;
the outer side of the cable core sleeve 4 is provided with a water-blocking isolation layer 7, the water-blocking isolation layer 7 is an aluminum-plastic composite tape, the aluminum-plastic composite tape longitudinally wraps the cable core sleeve 4 and is provided with 10% of lapping covers, hot air welding is adopted at the lapping covers, lapping heads of the aluminum-plastic composite tape are completely bonded to form a fully-closed structure, and the aluminum-plastic composite material has good water resistance, corrosion resistance and toughness, prevents water from permeating into the cable, avoids safety accidents and improves the safety of the cable; or is made by compounding polyester fiber weaving cloth and a high water absorption material, and has good water-blocking and insulating effects;
the shielding layer 5 is arranged outside the water-blocking isolation layer 7, the shielding layer 5 is an oxygen-free copper wire braided layer, the interference of an external electromagnetic field on a cable transmission signal can be reduced, the stability of the cable transmission signal is improved, the braiding density is not lower than 75%, the stretch-resistant performance of the cable is greatly improved, and the drawing of the underwater cable is met. The shielding layer 5 is externally provided with a protective layer 6, and the protective layer 6 is a steel belt braid layer. The strength of the cable is greatly enhanced, and the tensile resistance and pressure resistance are improved;
the waterproof aramid yarn layer 3 is arranged outside the protective layer 6, the waterproof aramid yarn layer 3 is formed by winding 2 waterproof aramid yarns in a forward and reverse spiral mode in a crossed mode on the outer side of the protective layer 6, water vapor outside a cable or a person who enters the optical cable through the cable connecting section end is prevented, and the waterproof aramid yarn layer and the waterproof insulating layer 7 are matched to achieve a multiple waterproof effect;
an outer sheath 8 is arranged outside the waterproof aramid yarn layer 3, and the outer sheath 8 is made of polyethylene materials, so that the waterproof and cable-protecting effects are achieved. The outer sheath 8 is provided with a plurality of wear-resistant protrusions 9 which are oval and can buffer the impact of underwater quicksand and broken stone on the cable, and the wear-resistant protrusions 9 are made of polyethylene materials and have good wear resistance and corrosion resistance, so that the cable can wear the wear-resistant protrusions 9 preferentially underwater, the wear of the outer sheath 8 is avoided, and the wear resistance of the cable is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a withstand voltage prevents power cable under water that soaks, includes cable core sleeve (4), be equipped with multiunit heart yearn (1) in cable core sleeve (4), heart yearn (1) outside parcel has conductor insulation layer (2), its characterized in that: the outer side of cable core sleeve pipe (4) is equipped with isolated layer (7) that blocks water, isolated layer (7) outside of blocking water is equipped with shielding layer (5), shielding layer (5) outside is equipped with protective layer (6), protective layer (6) outside is equipped with waterproofing type aramid yarn layer (3), waterproofing type aramid yarn layer (3) outside is equipped with oversheath (8), be equipped with a plurality of wear-resisting archs (9) on oversheath (8).
2. The pressure-resistant and immersion-resistant underwater power cable as claimed in claim 1, wherein: the water-blocking aramid yarn layer (3) is formed by winding 2 water-blocking aramid yarns in the outer side of the protective layer (6) in a forward and reverse spiral crossed mode.
3. The pressure-resistant and immersion-resistant underwater power cable as claimed in claim 1, wherein: the inner cavity of the cable core sleeve (4) is filled with thixotropic water-blocking fiber paste.
4. The pressure-resistant and immersion-resistant underwater power cable as claimed in claim 1, wherein: the shielding layer (5) is an oxygen-free copper wire braided layer, and the braiding density is not lower than 75%.
5. The pressure-resistant and immersion-resistant underwater power cable as claimed in claim 1, wherein: the protective layer (6) is a steel belt woven layer.
6. The pressure-resistant and immersion-resistant underwater power cable as claimed in claim 1, wherein: the water-blocking isolation layer (7) is an aluminum-plastic composite tape, and the aluminum-plastic composite tape is longitudinally wrapped on the cable core sleeve (4).
7. The pressure-resistant and immersion-resistant underwater power cable as claimed in claim 1, wherein: the water-blocking isolation layer (7) is made of polyester fiber woven cloth and a high water absorption material in a composite mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121761881.0U CN215417626U (en) | 2021-07-30 | 2021-07-30 | Withstand voltage prevents power cable under water that soaks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121761881.0U CN215417626U (en) | 2021-07-30 | 2021-07-30 | Withstand voltage prevents power cable under water that soaks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215417626U true CN215417626U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121761881.0U Active CN215417626U (en) | 2021-07-30 | 2021-07-30 | Withstand voltage prevents power cable under water that soaks |
Country Status (1)
| Country | Link |
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| CN (1) | CN215417626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU225071U1 (en) * | 2024-02-16 | 2024-04-12 | Общество с ограниченной ответственностью "Камский кабель" | Explosion-proof cable with sealed armor |
-
2021
- 2021-07-30 CN CN202121761881.0U patent/CN215417626U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU225071U1 (en) * | 2024-02-16 | 2024-04-12 | Общество с ограниченной ответственностью "Камский кабель" | Explosion-proof cable with sealed armor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 27, Weiyi Road, the Taihu Lake Economic Development Zone, Anqing, Anhui 246400 Patentee after: Anhui Shenlian Optoelectronics Co.,Ltd. Country or region after: China Address before: 246400 No. 27 Weiyi Road, Taihu County Economic Development Zone, Anqing City, Anhui Province Patentee before: ANHUI LASUN COMMUNICATION Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |