CN220651694U - 110KV lead sheath power cable - Google Patents
110KV lead sheath power cable Download PDFInfo
- Publication number
- CN220651694U CN220651694U CN202321853190.2U CN202321853190U CN220651694U CN 220651694 U CN220651694 U CN 220651694U CN 202321853190 U CN202321853190 U CN 202321853190U CN 220651694 U CN220651694 U CN 220651694U
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- Prior art keywords
- layer
- high temperature
- temperature resistant
- outside
- power cable
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 238000005253 cladding Methods 0.000 claims abstract description 7
- 239000003063 flame retardant Substances 0.000 claims description 16
- 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 14
- 239000000463 material Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 135
- 230000009545 invasion Effects 0.000 abstract description 6
- 239000011241 protective layer Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Abstract
The utility model relates to the technical field of power cables and discloses a 110KV lead sheath power cable, wherein a first protection mechanism is arranged in a lead sheath and comprises a buffer layer arranged on the inner side of the lead sheath, a reinforcing layer is arranged on the inner side of the buffer layer, a waterproof layer is arranged on the inner side of the reinforcing layer, and an impermeable layer and a tensile layer are respectively arranged on the inner side of the impermeable layer from outside to inside; the inside of tensile layer is provided with the shielding layer, the inside symmetry of shielding layer is provided with the sinle silk, the outside cladding of sinle silk has the insulating layer, the outside of insulating layer is provided with second protection machanism. The lead sheath can prevent invasion of moisture and humidity, has good sealing performance, can improve waterproof performance through the waterproof layer and the impermeable layer in the first protective layer, can buffer and protect the wire core through the buffer layer, can resist and protect the wire core through the reinforcing layer, and improves the service life of the cable.
Description
Technical Field
The utility model relates to the technical field of power cables, in particular to a 110KV lead sheath power cable.
Background
The power cable plays an important linking role in the infrastructure of China, is mainly used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply in industrial and mining enterprises and power transmission lines under the sea water passing through the river, and the basic structure of the power cable consists of four parts of a wire core, an insulating layer, a shielding layer and a sheath, wherein the sheath is used for protecting the power cable from invasion of external impurities and moisture.
The Chinese patent discloses a filled sheath structure cable (grant bulletin No. CN 206961589U), wherein a water blocking tape is longitudinally wrapped between the technical wire cores of the filled sheath structure cable, the production efficiency is not affected, and the water blocking effect required by the standard can be met; the water-blocking powder has no influence on the environment, is coated on the surface of the insulated wire core, and the contact between the copper wire and the insulated shield is not influenced, so that the transmission of short-circuit current is not influenced, and meanwhile, the water-blocking powder swells when meeting water, so that the longitudinal invasion of water can be effectively prevented; the copper wire is coated with water-blocking powder, and swells when meeting water, so that the water is prevented from invading from the gap between the sheath and the copper wire.
However, there is still a disadvantage in this patent in that the sheath is made of a polyethylene material, which is poor in waterproof property, which easily causes moisture invasion to damage the core inside the cable, and in that the cable is poor in withstand voltage, which causes damage when subjected to external pressure, and thus cannot be used. Accordingly, one skilled in the art would provide a 110KV lead jacketed power cable that addresses the problems set forth in the background above.
Disclosure of Invention
The utility model aims to provide a 110KV lead sheath power cable which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the 110KV lead sheath power cable comprises a lead sheath, wherein a first protection mechanism is arranged in the lead sheath, the first protection mechanism comprises a buffer layer arranged on the inner side of the lead sheath, a reinforcing layer is arranged on the inner side of the buffer layer, a waterproof layer is arranged on the inner side of the reinforcing layer, and an impermeable layer and a tensile layer are respectively arranged on the inner side of the waterproof layer from outside to inside;
the inside inboard of tensile layer is provided with the shielding layer, the inside symmetry of shielding layer is provided with the sinle silk, the outside cladding of sinle silk has the insulating layer, the outside of insulating layer is provided with second protection machanism, the outside cladding of second protection machanism has the inner liner, the outside setting of inner liner is in the inboard of shielding layer.
As still further aspects of the utility model: the material of buffer layer is the foam, the material of reinforcement layer is glass fiber, and the thickness of reinforcement layer is thicker than the thickness of buffer layer.
As still further aspects of the utility model: the waterproof layer is made of polytetrafluoroethylene, the impermeable layer is made of polyurethane, and a galvanized steel wire is arranged in the impermeable layer.
As still further aspects of the utility model: the second protection mechanism comprises a flame-retardant layer arranged inside the lining layer, a second high-temperature resistant layer and a first high-temperature resistant layer are arranged outside the flame-retardant layer from outside to inside the flame-retardant layer, high-temperature resistant coatings are coated on the inner side of the first high-temperature resistant layer and the outer side of the second high-temperature resistant layer, and heat insulation layers are arranged on the outer side of the first high-temperature resistant layer and the inner side of the second high-temperature resistant layer.
As still further aspects of the utility model: the thicknesses of the first high temperature resistant layer and the second high temperature resistant layer are the same, and the first high temperature resistant layer and the second high temperature resistant layer are made of PEEK resin materials.
As still further aspects of the utility model: the fire-retardant layer is made of fireproof fire-retardant mica tapes, and the heat-insulating layer is made of nano microporous heat-insulating materials.
Compared with the prior art, the utility model has the beneficial effects that:
1. the lead sheath can prevent invasion of moisture and humidity, has good sealing performance, can improve waterproof performance through the waterproof layer and the impermeable layer in the first protective layer, can buffer and protect the wire core through the buffer layer, can resist and protect the wire core through the reinforcing layer, and finally can enable the cable to have good tensile property through the tensile layer, thereby prolonging the service life of the cable.
2. According to the utility model, the cable has double high temperature resistance through the first high temperature resistant layer and the second high temperature resistant layer in the second protection mechanism, the heat insulation purpose can be achieved through the heat insulation layer, the flame retardation purpose can be achieved through the flame retardation layer, meanwhile, the high temperature resistance can be improved through the high temperature resistant coating, so that the purpose of carrying out high temperature resistant treatment on the cable can be achieved, and the service life of the cable is prolonged.
Drawings
FIG. 1 is a schematic diagram of a 110KV lead jacketed power cable;
FIG. 2 is a schematic diagram of a first protection mechanism in a 110KV lead-jacketed power cable;
fig. 3 is a schematic structural view of a second protection mechanism in a 110KV lead-jacketed power cable.
In the figure: 1. a lead sheath; 2. a first protection mechanism; 21. a buffer layer; 22. a reinforcing layer; 23. a waterproof layer; 24. an impermeable layer; 25. a tensile layer; 3. a shielding layer; 4. an inner liner layer; 5. a second protection mechanism; 51. a flame retardant layer; 52. a first high temperature resistant layer; 53. a second high temperature resistant layer; 54. a thermal insulation layer; 55. a high temperature resistant coating; 6. an insulating layer; 7. a wire core.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present utility model, a 110KV lead-jacketed power cable includes a lead jacket 1, a first protection mechanism 2 is disposed inside the lead jacket 1, the first protection mechanism 2 includes a buffer layer 21 disposed inside the lead jacket 1, a reinforcing layer 22 is disposed inside the buffer layer 21, a waterproof layer 23 is disposed inside the reinforcing layer 22, and an impermeable layer 24 and a tensile layer 25 are disposed inside the waterproof layer 23 from outside to inside, respectively.
The inside inboard of tensile layer 25 is provided with shielding layer 3, and shielding layer 3's inside symmetry is provided with sinle silk 7, and the outside cladding of sinle silk 7 has insulating layer 6, and insulating layer 6's outside is provided with second protection machanism 5, and the outside cladding of second protection machanism 5 has inner liner 4, and the outside setting of inner liner 4 is in shielding layer 3's inboard, and this setting utilizes second protection machanism 5 can make this cable have very high resistant nature, avoids it to receive the high temperature to cause the damage.
In fig. 2: the material of buffer layer 21 is the foam, and the material of reinforcement layer 22 is glass fiber, and the thickness of reinforcement layer 22 is thicker than the thickness of buffer layer 21, and this setting utilizes buffer layer 21 can play the purpose of buffering to sinle silk 7 in the cable, and reinforcement layer 22 can play the purpose of reinforcement to the cable simultaneously.
In fig. 2: the waterproof layer 23 is made of polytetrafluoroethylene, the impermeable layer 24 is made of polyurethane, a galvanized steel wire is arranged in the impermeable layer 24, and the waterproof layer 23 and the impermeable layer 24 are used for enabling the first protection mechanism 2 to have good waterproof and impermeable performances.
In fig. 3: the second protection mechanism 5 comprises a flame retardant layer 51 arranged inside the lining layer 4, a second high temperature resistant layer 53 and a first high temperature resistant layer 52 are arranged outside the flame retardant layer 51 from outside to inside, the inner side of the first high temperature resistant layer 52 and the outer side of the second high temperature resistant layer 53 are both coated with a high temperature resistant coating 55, the outer side of the first high temperature resistant layer 52 and the inner side of the second high temperature resistant layer 53 are both provided with a heat insulating layer 54, the thicknesses of the first high temperature resistant layer 52 and the second high temperature resistant layer 53 are the same, the first high temperature resistant layer 52 and the second high temperature resistant layer 53 are made of PEEK resin materials, the flame retardant layer 51 is made of fireproof flame retardant mica tapes, the heat insulating layer 54 is made of nano microporous heat insulating materials, and the arrangement of the first high temperature resistant layer 52 and the second high temperature resistant layer 53 in the second protection mechanism 5 can enable the cable to have double high temperature resistant performance, the high temperature resistant effect can be improved through the high temperature resistant coating 55, and the service life of the cable is prolonged.
The working principle of the utility model is as follows: the utility model discloses 110kV cable sheath structure's oversheath is plumbous sheath 1, plumbous sheath 1 has complete impermeability, can prevent moisture and moisture invasion, the leakproofness is good, and be provided with first protection machanism 2 in plumbous sheath 1's inboard, this first protection machanism 2 is by buffer layer 21, reinforcing layer 22, waterproof layer 23, barrier layer 24 and tensile layer 25, wherein waterproof layer 23 and barrier layer 24 can improve waterproof performance, buffer layer 21 can cushion protection to line core 7, can resist compression protection to line core 7 through reinforcing layer 22, finally can make the cable have fine tensile through tensile layer 25, thereby improve the life of cable;
the second protection mechanism 5 is arranged on the inner side of the inner liner 4, the cable can have double high temperature resistance through the first high temperature resistant layer 52 and the second high temperature resistant layer 53 in the second protection mechanism 5, the heat insulation purpose can be achieved through the heat insulation layer 54, the flame retardant purpose can be achieved through the flame retardant layer 51, meanwhile, the high temperature resistance can be improved through the high temperature resistant coating 55, the purpose of carrying out high temperature resistant treatment on the cable can be achieved, and the service life of the cable is prolonged.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The 110KV lead sheath power cable comprises a lead sheath (1), and is characterized in that a first protection mechanism (2) is arranged inside the lead sheath (1), the first protection mechanism (2) comprises a buffer layer (21) arranged on the inner side of the lead sheath (1), a reinforcing layer (22) is arranged on the inner side of the buffer layer (21), a waterproof layer (23) is arranged on the inner side of the reinforcing layer (22), and an impermeable layer (24) and a tensile layer (25) are arranged on the inner side of the waterproof layer (23) from outside to inside;
the inside inboard of tensile layer (25) is provided with shielding layer (3), the inside symmetry of shielding layer (3) is provided with sinle silk (7), the outside cladding of sinle silk (7) has insulating layer (6), the outside of insulating layer (6) is provided with second protection machanism (5), the outside cladding of second protection machanism (5) has inner liner (4), the outside setting of inner liner (4) is in the inboard of shielding layer (3).
2. The 110KV lead-sheathed power cable according to claim 1, wherein the material of the buffer layer (21) is foam, the material of the reinforcing layer (22) is glass fiber, and the thickness of the reinforcing layer (22) is thicker than the thickness of the buffer layer (21).
3. The 110KV lead sheath power cable according to claim 1, wherein the waterproof layer (23) is made of polytetrafluoroethylene, the impermeable layer (24) is made of polyurethane, and galvanized steel wires are arranged inside the impermeable layer (24).
4. The 110KV lead-sheathed power cable according to claim 1, wherein the second protection mechanism (5) comprises a flame retardant layer (51) arranged inside the lining layer (4), a second high temperature resistant layer (53) and a first high temperature resistant layer (52) are arranged outside the flame retardant layer (51) from outside to inside, a high temperature resistant coating (55) is coated on the inner side of the first high temperature resistant layer (52) and the outer side of the second high temperature resistant layer (53), and a heat insulating layer (54) is arranged on the outer side of the first high temperature resistant layer (52) and the inner side of the second high temperature resistant layer (53).
5. The 110KV lead-jacketed power cable of claim 4, wherein the first high temperature resistant layer (52) and the second high temperature resistant layer (53) have the same thickness, and the first high temperature resistant layer (52) and the second high temperature resistant layer (53) are both made of PEEK resin materials.
6. The 110KV lead sheath power cable according to claim 4, wherein the flame retardant layer (51) is made of a fireproof flame retardant mica tape, and the heat insulating layer (54) is made of a nano microporous heat insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321853190.2U CN220651694U (en) | 2023-07-14 | 2023-07-14 | 110KV lead sheath power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321853190.2U CN220651694U (en) | 2023-07-14 | 2023-07-14 | 110KV lead sheath power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220651694U true CN220651694U (en) | 2024-03-22 |
Family
ID=90262003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321853190.2U Active CN220651694U (en) | 2023-07-14 | 2023-07-14 | 110KV lead sheath power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220651694U (en) |
-
2023
- 2023-07-14 CN CN202321853190.2U patent/CN220651694U/en active Active
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