CN219997924U - Waterproof and moistureproof power cable - Google Patents
Waterproof and moistureproof power cable Download PDFInfo
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- CN219997924U CN219997924U CN202321378144.1U CN202321378144U CN219997924U CN 219997924 U CN219997924 U CN 219997924U CN 202321378144 U CN202321378144 U CN 202321378144U CN 219997924 U CN219997924 U CN 219997924U
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- waterproof
- power cable
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 25
- 239000000945 filler Substances 0.000 claims abstract description 14
- 239000003063 flame retardant Substances 0.000 claims description 26
- 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 25
- 238000005260 corrosion Methods 0.000 claims description 24
- 238000004078 waterproofing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 17
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 188
- 238000010521 absorption reaction Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 8
- -1 polypropylene Polymers 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 229920001903 high density polyethylene Polymers 0.000 description 6
- 239000004700 high-density polyethylene Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000005524 ceramic coating Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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Abstract
The utility model discloses a waterproof and moistureproof power cable, which comprises an outer sheath, wherein a plurality of inner sheaths are inserted into the outer sheath, a plurality of cable cores are inserted into the inner sheath, a plurality of water-absorbing fillers are arranged on the side wall of the inner sheath, the outer sheath comprises an armor layer, a waterproof outer layer is arranged on the outer surface of the armor layer, a hydrophobic layer is arranged on the outer side of the waterproof outer layer, a water-absorbing layer is arranged on the inner surface of the armor layer, an insulating outer layer is arranged on the inner side of the water-absorbing layer, the inner sheath comprises an insulating inner layer, and a waterproof inner layer is arranged on the outer side of the insulating inner layer. The water-absorbing layer has strong water-absorbing performance, reduces the infiltration of water and moisture into the power cable, absorbs the water and the moisture entering the outer sheath by the water-absorbing filler, and prevents the water source from being blocked by the water-proof outer layer and the water-proof inner layer, thereby avoiding the water and the moisture from affecting the use of the cable core and improving the water-proof and moisture-proof effects of the power cable.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a waterproof and moistureproof power cable.
Background
The power cable is a cable for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station outgoing lines, power supply in industrial and mining enterprises and power transmission lines under sea water passing through the river. In the electric power line, the proportion of the cable is gradually increasing. Power cables are cable products used in the main line of power systems to transmit and distribute high power electrical energy, including various voltage classes of 1-500KV and above, and various insulated power cables.
The high-strength power cable with the bulletin number of CN215377000U comprises an outer protective layer and a cable core, wherein a first reinforcing layer is connected to the inner side of the outer protective layer, a first insulating layer is connected to the inner side of the first reinforcing layer, a second reinforcing layer is connected to the inner side of the first insulating layer, and a second insulating layer is connected to the inner side of the second reinforcing layer.
In the process of using the power cable, it is found that water easily permeates into the power cable in rainy days or places with water, and the power cable is also easily wetted in wet places, so that the service life of the power cable is reduced due to the condition of electric leakage or short circuit. Therefore, there is a need to design a waterproof and moistureproof power cable to solve the above problems.
Disclosure of Invention
The utility model aims to provide a waterproof and moistureproof power cable so as to solve the defects in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a dampproofing and waterproofing power cable, includes the oversheath, the inside grafting of oversheath has a plurality of inner sheath, the inside grafting of inner sheath has a plurality of cable core, the lateral wall of inner sheath is provided with a plurality of filler that absorbs water, the oversheath includes the armor, the surface of armor is provided with waterproof skin, waterproof outer outside is provided with the hydrophobic layer, the internal surface of armor is provided with the layer that absorbs water, the inboard of layer that absorbs water is provided with insulating skin, the inner sheath includes insulating inlayer, insulating inlayer's outside is provided with waterproof inlayer.
Further, the outer surface of the waterproof outer layer is provided with an anti-corrosion layer, and the anti-corrosion layer is arranged on the inner surface of the hydrophobic layer.
Further, the outer surface of the hydrophobic layer is provided with an outer wear-resistant layer, and the inner surface of the insulating outer layer is provided with an inner wear-resistant layer.
Further, the inner surface of the water absorption layer is provided with a flame-retardant layer, and the flame-retardant layer is arranged on the outer surface of the insulating outer layer.
Further, the surface of insulating inlayer is provided with the shielding layer, and the shielding layer sets up the internal surface at waterproof inlayer.
Further, an inner supporting frame is arranged between the inner walls of the outer jackets, and the inner supporting frame is cross-shaped.
According to the waterproof and moistureproof power cable, the water absorption layer has strong water absorption performance, so that water and moisture are reduced from penetrating into the power cable, the water absorption filler absorbs the water and the moisture entering the outer sheath, the waterproof outer layer and the waterproof inner layer are used for protecting the water source in a double-layer manner, the water and the moisture are prevented from affecting the use of the cable core, and the waterproof and moistureproof effect of the power cable is improved; the arranged anti-corrosion layer is made of polyvinylidene fluoride material, so that the anti-corrosion performance of the outer sheath is improved, and the power cable cannot be corroded in long-time use; the outer wear-resistant layer and the inner wear-resistant layer are arranged, so that the outer wear-resistant layer and the inner wear-resistant layer have stronger wear resistance, the outer wear-resistant layer protects the hydrophobic layer, the inner wear-resistant layer protects the insulating outer layer, and the service life of the power cable is prolonged; the flame-retardant layer is made of halogen-free low-smoke flame-retardant insulating materials, so that the flame-retardant cable has excellent flame retardance and the fireproof performance of the power cable is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic diagram of the top structure of a waterproof and moistureproof power cable according to the present utility model.
Fig. 2 is a schematic diagram of an outer sheath layered structure of a waterproof and moistureproof power cable according to the present utility model.
Fig. 3 is a schematic diagram of the layered structure of the inner sheath of the waterproof and moistureproof power cable provided by the utility model.
Reference numerals illustrate:
1 outer sheath, 2 inner sheath, 3 cable core, 4 filler that absorbs water, 5 armor, 6 waterproof skin, 7 hydrophobic layer, 8 water absorption layer, 9 insulating skin, 10 insulating inner layer, 11 waterproof inner layer, 12 anticorrosion layer, 13 outer wearing layer, 14 inner wearing layer, 15 fire-retardant layer, 16 shielding layer, 17 inner strut.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, the waterproof and moistureproof power cable provided by the embodiment of the utility model comprises an outer sheath 1, wherein a plurality of inner sheaths 2 are inserted in the outer sheath 1, a plurality of cable cores 3 are inserted in the inner sheaths 2, a plurality of water-absorbing fillers 4 are arranged on the side walls of the inner sheaths 2, the outer sheath 1 comprises an armor layer 5, a waterproof outer layer 6 is arranged on the outer surface of the armor layer 5, a water-repellent layer 7 is arranged on the outer side of the waterproof outer layer 6, a water-absorbent layer 8 is arranged on the inner surface of the armor layer 5, an insulating outer layer 9 is arranged on the inner side of the water-absorbent layer 8, the inner sheath 2 comprises an insulating inner layer 10, and a waterproof inner layer 11 is arranged on the outer side of the insulating inner layer 10.
Specifically, in the embodiment, the cable comprises an outer sheath 1, a plurality of inner sheaths 2 are inserted in the outer sheath 1, the inner sheaths 2 are arranged in an annular equidistant manner, a plurality of cable cores 3 are inserted in the inner sheaths 2, a plurality of water-absorbing fillers 4 are arranged on the side walls of the inner sheaths 2, the water-absorbing fillers 4 are made of water-absorbing cotton materials, water and moisture entering the inner sheath 1 can be absorbed, the influence of water and moisture on the cable cores 3 is avoided, the waterproof and dampproof effects of the power cable are improved, the outer sheath 1 comprises an armor layer 5, the armor layer 5 is formed by adopting thick round steel wires, arched steel wires, thin round steel wires or two steel belts, two copper belt gaps or spiral windings, the armor layer 5 reduces the influence of mechanical force on the cable wires and is used for bearing the mechanical force acting on the cable wires, and simultaneously plays roles of electric field shielding and preventing external electromagnetic wave interference, the outer surface of the armor layer 5 is provided with a waterproof outer layer 6, the waterproof outer layer 6 is made of high-density polyethylene, the high-density polyethylene is not hygroscopic and has good waterproof steam property, and has good electrical property, particularly, the insulating dielectric strength is high, the waterproof outer layer 6 is used for blocking an external water source, water is prevented from entering the inside of the outer sheath 1, the outer side of the waterproof outer layer 6 is provided with a hydrophobic layer 7, the hydrophobic layer 7 is made of polypropylene, the polypropylene has good hydrophobic property, moisture is prevented from remaining on the outer sheath 1, the contact between the outer sheath 1 and the moisture is reduced, the inner surface of the armor layer 5 is provided with a water absorption layer 8, the water absorption layer 8 is made of high-hydroscopicity resin, the water absorption layer 8 has strong water absorption property, the penetration of water and moisture is reduced, the inner side of the water absorption layer 8 is provided with an insulating outer layer 9, the inner sheath 2 comprises an insulating inner layer 10, the outer 9 of insulating and the inner 10 of insulating all adopt polytetrafluoroethylene material, polytetrafluoroethylene has good chemical stability, corrosion resistance, leakproofness, high lubrication non-viscosity, electrical insulation and good ageing resistance, outer 9 of insulating is located the outside of inner sheath 2, inner 10 of insulating is located the outside of cable core 3, outer 9 of insulating and inner 10 of insulating all play insulating effect, inner 10 of insulating's outside is provided with waterproof inlayer 11, waterproof inlayer 11 also adopts high density polyethylene material, waterproof inlayer 11 carries out the separation to the water source further, avoid having water to enter into inner sheath 2 inside, influence the use of cable core 3, the waterproof dampproofing effect of power cable has been improved.
According to the waterproof and moistureproof power cable provided by the utility model, the water-absorbing layer 8 has strong water-absorbing performance, so that the water and moisture can be reduced from penetrating into the power cable, the water-absorbing filler 4 absorbs the water and moisture entering the outer sheath 1, the waterproof outer layer 6 and the waterproof inner layer 11 are double-layer protected, a water source is blocked, the use of the cable core 3 is prevented from being influenced by the water and the moisture, and the waterproof and moistureproof effect of the power cable is improved.
In one embodiment provided by the utility model, as shown in fig. 2, the outer surface of the waterproof outer layer 6 is provided with the anti-corrosion layer 12, and the anti-corrosion layer 12 is arranged on the inner surface of the hydrophobic layer 7, and the anti-corrosion layer 12 is made of polyvinylidene fluoride material, so that the anti-corrosion layer 12 has excellent corrosion resistance and excellent wear resistance and flexibility, and the anti-corrosion performance of the outer sheath 1 is improved, so that the power cable cannot be corroded in long-time use; as shown in fig. 2, the outer surface of the hydrophobic layer 7 is provided with an outer wear-resistant layer 13, the inner surface of the insulating outer layer 9 is provided with an inner wear-resistant layer 14, the outer wear-resistant layer 13 and the inner wear-resistant layer 14 are made of high-performance ceramic coating materials, the high-performance ceramic coating materials have high wear resistance, the outer wear-resistant layer 13 protects the hydrophobic layer 7, the inner wear-resistant layer 14 protects the insulating outer layer 9, and the service life of the power cable is prolonged; as shown in fig. 2, the inner surface of the water-absorbing layer 8 is provided with a flame-retardant layer 15, and the flame-retardant layer 15 is arranged on the outer surface of the insulating outer layer 9, and the flame-retardant layer 15 is made of a halogen-free low-smoke flame-retardant insulating material, has excellent flame retardance, has high oxygen index, excellent heat insulation and oxygen isolation, emits no halogen acid gas during combustion, has extremely low toxic and corrosive gas release amount, has extremely low smoke concentration of a product, has excellent flame retardant effect, and has the flame retardant effect of the flame-retardant layer 15 and improved fireproof performance of the power cable.
In another embodiment provided by the utility model, as shown in fig. 3, the outer surface of the insulating inner layer 10 is provided with the shielding layer 16, the shielding layer 16 is arranged on the inner surface of the waterproof inner layer 11, the shielding layer 16 is made of a semiconductive material, and the shielding layer 16 shields an electromagnetic field caused by energizing a cable in an insulating wire core so as to reduce electromagnetic interference generated to the outside.
In still another embodiment of the present utility model, as shown in fig. 1, an inner supporting frame 17 is disposed between inner walls of the outer sheath 1, and the inner supporting frame 17 is in a cross shape, the inner supporting frame 17 supports the outer sheath 1 from the inside, the inner sheath 2 is disposed between a side wall of the supporting frame 1 and an inner wall of the outer sheath 1, and the inner supporting frame 1 improves structural strength of the power cable.
Example 1
The waterproof and moistureproof power cable comprises an outer sheath 1, a plurality of inner sheaths 2 are inserted in the outer sheath 1, the inner sheaths 2 are arranged at equal intervals in an annular shape, a plurality of cable cores 3 are inserted in the inner sheaths 2, a plurality of water-absorbing fillers 4 are arranged on the side walls of the inner sheaths 2, the water-absorbing fillers 4 are made of water-absorbing cotton materials, water and moisture entering the inner parts of the outer sheath 1 can be absorbed, the influence of the water and the moisture on the use of the cable cores 3 is avoided, the outer sheath 1 comprises an armor layer 5, the armor layer 5 is formed by thick round steel wires, arched steel wires, thin round steel wires or two steel belts, two copper belt gaps or spiral windings, the armor layer 5 reduces the influence of mechanical force on cables and is used for bearing the mechanical force acting on the cables, meanwhile, the electric field shielding and the effect of preventing external electromagnetic wave interference are also realized, the outer surface of the armor layer 5 is provided with a waterproof outer layer 6, the waterproof outer layer 6 is made of high-density polyethylene, the high-density polyethylene is not hygroscopic and has good waterproof steam property, and has good electrical property, particularly, the insulating dielectric strength is high, the waterproof outer layer 6 is used for blocking an external water source, water is prevented from entering the inside of the outer sheath 1, the outer side of the waterproof outer layer 6 is provided with a hydrophobic layer 7, the hydrophobic layer 7 is made of polypropylene, the polypropylene has good hydrophobic property, water is prevented from remaining on the outer sheath 1, the contact between the outer sheath 1 and the water is reduced, the inner surface of the armor layer 5 is provided with a water absorption layer 8, the water absorption layer 8 is made of a high-hydroscopicity resin, the water absorption layer 8 has strong water absorption property, the infiltration of the water and the moisture is reduced, the inner side of the water absorption layer 8 is provided with an insulating outer layer 9, the inner sheath 2 comprises an insulating inner layer 10, the insulating outer layer 9 and the insulating inner layer 10 are made of polytetrafluoroethylene, polytetrafluoroethylene has good chemical stability, corrosion resistance, leakproofness, high lubrication non-viscosity, electrical insulation and good ageing resistance, and insulating outer layer 9 is located the outside of inner sheath 2, and insulating inlayer 10 is located the outside of cable core 3, and insulating outer layer 9 and insulating inlayer 10 all play insulating effect, and insulating inlayer 10's outside is provided with waterproof inlayer 11, and waterproof inlayer 11 also adopts high density polyethylene material, and waterproof inlayer 11 is further the separation to the water source, avoids having water to enter into inside inner sheath 2, influences the use of cable core 3, has improved the water-proof effects.
Example 2
In the embodiment provided by the utility model, as shown in fig. 2, the outer surface of the waterproof outer layer 6 is provided with the anti-corrosion layer 12, the anti-corrosion layer 12 is arranged on the inner surface of the hydrophobic layer 7, the anti-corrosion layer 12 is made of polyvinylidene fluoride material, and has excellent corrosion resistance, excellent wear resistance and flexibility, and the anti-corrosion layer 12 improves the corrosion resistance of the outer sheath 1, so that the power cable cannot be corroded in long-time use; as shown in fig. 2, the outer surface of the hydrophobic layer 7 is provided with an outer wear-resistant layer 13, the inner surface of the insulating outer layer 9 is provided with an inner wear-resistant layer 14, the outer wear-resistant layer 13 and the inner wear-resistant layer 14 are made of high-performance ceramic coating materials, the high-performance ceramic coating materials have high wear resistance, the outer wear-resistant layer 13 protects the hydrophobic layer 7, the inner wear-resistant layer 14 protects the insulating outer layer 9, and the service life of the power cable is prolonged; as shown in fig. 2, the inner surface of the water-absorbing layer 8 is provided with a flame-retardant layer 15, the flame-retardant layer 15 is arranged on the outer surface of the insulating outer layer 9, and the flame-retardant layer 15 is made of a halogen-free low-smoke flame-retardant insulating material, has excellent flame retardance, has high oxygen index, excellent heat insulation and oxygen isolation, emits no halogen acid gas during combustion, has extremely low toxic and corrosive gas release amount, has extremely low smoke concentration of a product, has excellent flame retardant effect, and has the flame retardant effect of the flame-retardant layer 15 and improved fireproof performance of the power cable; as shown in fig. 3, the outer surface of the insulating inner layer 10 is provided with a shielding layer 16, and the shielding layer 16 is arranged on the inner surface of the waterproof inner layer 11, the shielding layer 16 is made of a semiconductive material, and the shielding layer 16 shields an electromagnetic field caused by energizing a cable in an insulating wire core so as to reduce electromagnetic interference generated to the outside; as shown in fig. 1, an inner support 17 is disposed between the inner walls of the outer sheath 1, and the inner support 17 is cross-shaped, the inner support 17 supports the outer sheath 1 from the inside, the inner sheath 2 is disposed between the side walls of the support 1 and the inner wall of the outer sheath 1, and the inner support 1 improves the structural strength of the power cable.
Working principle: when in use, the inner sheath 2 is wrapped outside the cable core 3, the outer sheath 1 is wrapped outside the inner sheath 2, the inner supporting frame 17 is arranged inside the outer sheath 1, the inner supporting frame 17 supports the outer sheath 1 from the inside, the inner sheath 2 is arranged between the side wall of the supporting frame 1 and the inner wall of the outer sheath 1, the side wall of the inner sheath 2 is provided with the water-absorbing filler 4, the water-absorbing filler 4 absorbs water and moisture entering the inner part of the outer sheath 1, the outer sheath 1 comprises the armor layer 5, the armor layer 5 reduces the influence of mechanical force on a cable wire and is used for bearing the mechanical force acting on the cable wire, and simultaneously, the outer surface of the armor layer 5 also plays roles of shielding an electric field and preventing the interference of external electromagnetic waves, the waterproof outer layer 6 is arranged for blocking an external water source, the water is prevented from entering the inner part of the outer sheath 1, the outer surface of the waterproof outer layer 6 is provided with the anti-corrosion layer 12, the anti-corrosion layer 12 improves the anti-corrosion performance of the outer sheath 1, so that the power cable cannot be corroded in long-time use, the hydrophobic layer 7 is arranged on the outer surface of the anti-corrosion layer 12, moisture is prevented from remaining on the outer sheath 1 by the hydrophobic layer 7, the contact between the outer sheath 1 and the moisture is reduced, the outer surface of the hydrophobic layer 7 is provided with the outer wear-resistant layer 13, the outer wear-resistant layer 13 protects the hydrophobic layer 7, the inner surface of the armor layer 5 is provided with the water-absorbing layer 8, the water-absorbing layer 8 reduces the infiltration of water and moisture, the inner surface of the water-absorbing layer 8 is provided with the flame-retardant layer 15, the flame-retardant layer 15 has a flame-retardant effect, the inner surface of the flame-retardant layer 15 is provided with the insulating outer layer 9, the insulating outer layer 9 has an insulating effect, the inner surface of the insulating outer layer 9 is provided with the inner wear-resistant layer 14, the inner wear-resistant layer 14 protects the insulating outer layer 9, the inner sheath 2 comprises the insulating inner layer 10 has the insulating effect, the surface of insulating inlayer 10 sets up shielding layer 16, and the electromagnetic field shielding that the shielding layer 16 arouses when the cable circular telegram is in insulating sinle silk to reduce the electromagnetic interference to external production, the surface of shielding layer 16 sets up waterproof inlayer 11, and waterproof inlayer 11 is further kept away the water source, avoids having water to enter into inside the inner sheath 2, has improved the dampproofing and waterproofing effect of power cable.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. The utility model provides a dampproofing and waterproofing power cable, includes oversheath (1), its characterized in that, the inside grafting of oversheath (1) has a plurality of oversheath (2), the inside grafting of oversheath (2) has a plurality of cable core (3), the lateral wall of oversheath (2) is provided with a plurality of filler (4) that absorbs water, oversheath (1) include armor (5), the surface of armor (5) is provided with waterproof skin (6), the outside of waterproof skin (6) is provided with hydrophobic layer (7), the internal surface of armor (5) is provided with layer (8) that absorbs water, the inboard of layer (8) that absorbs water is provided with insulating skin (9), oversheath (2) include insulating inlayer (10), the outside of insulating inlayer (10) is provided with waterproof inlayer (11).
2. A water and moisture resistant power cable according to claim 1 characterised in that the outer surface of the water resistant outer layer (6) is provided with an anti-corrosion layer (12) and that the anti-corrosion layer (12) is provided on the inner surface of the hydrophobic layer (7).
3. A water and moisture resistant power cable according to claim 1 characterised in that the outer surface of the hydrophobic layer (7) is provided with an outer wear layer (13) and the inner surface of the insulating outer layer (9) is provided with an inner wear layer (14).
4. A water and moisture resistant power cable according to claim 1 characterised in that the inner surface of the water absorbing layer (8) is provided with a flame retardant layer (15) and that the flame retardant layer (15) is provided on the outer surface of the insulating outer layer (9).
5. A water and moisture resistant power cable according to claim 1 characterised in that the outer surface of the insulating inner layer (10) is provided with a shielding layer (16) and that the shielding layer (16) is provided on the inner surface of the water resistant inner layer (11).
6. A water and moisture resistant power cable according to claim 1 characterised in that an inner support (17) is arranged between the inner walls of the outer sheath (1), and that the inner support (17) is cross-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321378144.1U CN219997924U (en) | 2023-06-01 | 2023-06-01 | Waterproof and moistureproof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321378144.1U CN219997924U (en) | 2023-06-01 | 2023-06-01 | Waterproof and moistureproof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219997924U true CN219997924U (en) | 2023-11-10 |
Family
ID=88618417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321378144.1U Active CN219997924U (en) | 2023-06-01 | 2023-06-01 | Waterproof and moistureproof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219997924U (en) |
-
2023
- 2023-06-01 CN CN202321378144.1U patent/CN219997924U/en active Active
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