CN220137987U - Irradiation-free environment-friendly crosslinked polyolefin cable - Google Patents
Irradiation-free environment-friendly crosslinked polyolefin cable Download PDFInfo
- Publication number
- CN220137987U CN220137987U CN202321785533.6U CN202321785533U CN220137987U CN 220137987 U CN220137987 U CN 220137987U CN 202321785533 U CN202321785533 U CN 202321785533U CN 220137987 U CN220137987 U CN 220137987U
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- China
- Prior art keywords
- layer
- retardant
- flame
- fire
- crosslinked polyolefin
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- 229920000098 polyolefin Polymers 0.000 title claims abstract description 33
- 239000010410 layer Substances 0.000 claims abstract description 132
- 239000003063 flame retardant Substances 0.000 claims abstract description 90
- 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 abstract description 69
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000002955 isolation Methods 0.000 claims abstract description 14
- 239000011241 protective layer Substances 0.000 claims abstract description 4
- 230000008719 thickening Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000003431 cross linking reagent Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 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
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- Insulated Conductors (AREA)
Abstract
The utility model relates to an irradiation-free environment-friendly crosslinked polyolefin cable, which comprises an insulating layer and a copper core, wherein the copper core is arranged in the insulating layer, a protective outer layer is sleeved on the outer side of the insulating layer, the outer protective layer comprises a waterproof outer layer, a flame-retardant inner layer and a heat conducting layer, the flame-retardant inner layer is connected with the waterproof outer layer, the heat conducting layer is fixed on the waterproof outer layer, an elastic supporting connecting part is arranged on the heat conducting layer, the supporting connecting part is connected with the flame-retardant inner layer, and the supporting connecting part extrudes the flame-retardant inner layer; the waterproof outer layer is provided with a connecting part which is connected with the flame-retardant inner layer; the fire-retardant inner layer comprises an isolation net which is wrapped on the surface of the insulating layer, a fire retardant is arranged at the mesh of the isolation net, a fire retardant is fixed on the fire retardant, and the waterproof outer layer is fixed on the fire retardant. The utility model has good dampproof and flame-retardant effects.
Description
Technical Field
The utility model relates to the field of cables, in particular to an irradiation-free environment-friendly crosslinked polyolefin cable.
Background
The cross-linked polyolefin is prepared by adding a cross-linking agent to common polyolefin. Compared with the common polyolefin, the irradiation crosslinking of the crosslinked polyolefin improves the performance of the crosslinked polyolefin in the aspects of extension, oil resistance, cold resistance, cracking resistance and the like, and can meet the use under more severe environments. Therefore, crosslinked polyolefin is often used as one of the materials for making cables.
The cross-linked polyolefin cable has a wide range of applications and generally delivers a large current, so that the safety thereof is extremely important. At present, the cross-linked polyolefin cable in the related art should be used in some relatively humid environments, and after long-time contact with moisture, the insulation layer part of the cable can be corroded, the copper core inside the cable can be damaged, and the cable cannot cope with the humid environment for a long time by the waterproof property of the insulation layer.
In the related art described above, there is a defect that the moisture-proof effect is poor.
Disclosure of Invention
In order to improve the moistureproof effect of the cable, the utility model provides an irradiation-free environment-friendly crosslinked polyolefin cable which can be used in a humid environment for a long time.
The utility model provides an irradiation-free environment-friendly crosslinked polyolefin cable which adopts the following technical scheme:
the utility model provides an exempt from irradiation environmental protection crosslinked polyolefin cable, includes insulating layer and copper core, and the copper core setting is in the insulating layer, and the outside cover of insulating layer has put the protection skin, and the outer protective layer includes waterproof skin, fire-retardant inlayer and heat-conducting layer, and fire-retardant inlayer is connected with waterproof skin, and the heat-conducting layer is fixed on waterproof skin, is provided with elastic supporting connection portion on the heat-conducting layer, and supporting connection portion is connected with fire-retardant inlayer, and supporting connection portion extrudees fire-retardant inlayer.
Through adopting the technical scheme, the outer wall of the irradiation-free environment-friendly crosslinked polyolefin cable is provided with the protective outer layer, the waterproof outer layer is used for external waterproof, the flame-retardant inner layer is used for internal flame retardance, waterproof flame-retardant protection on the insulating layer and the copper core is increased, the whole cable is safer to use, the supporting connection part is used for connecting the heat conducting layer and the flame-retardant inner layer, the supporting connection part is made of heat conducting materials, heat acquired from the flame-retardant inner layer can be transferred to the heat conducting layer, the heat conducting layer heats and acts on the waterproof outer layer, the external temperature is higher, and the surface dampproofing is facilitated.
Preferably, the waterproof outer layer is formed with a connection portion, and the connection portion is connected with the flame-retardant inner layer.
Through adopting above-mentioned technical scheme, waterproof skin passes through connecting portion and connects fire-retardant inlayer for the connection of whole structure is inseparabler.
Preferably, the flame-retardant inner layer comprises a separation net wrapped on the surface of the insulating layer, a flame retardant is arranged at the mesh of the separation net, a flame retardant is fixed on the flame retardant, and the waterproof outer layer is fixed on the flame retardant.
Through adopting above-mentioned technical scheme, isolation network, fire retardant and fire retardant all are connected on the insulating layer, can form good fire-retardant protection to the insulating layer, have increased the security.
Preferably, the heat conducting layer comprises a plurality of heat conducting wires, thickened parts are formed on the heat conducting wires, wiring grooves are formed in the waterproof outer layers, heat-permeable holes are formed in the bottoms of the wiring grooves, and the thickened parts seal the heat-permeable holes after the heat conducting wires are fixed on the wiring grooves.
Through adopting above-mentioned technical scheme, the heat-conducting wire can be fixed with waterproof glue, can absorb the heat that the cable is inside to produce after the heat-permeable hole is lived to the thickening portion seal, and the heat can be used on the heat-conducting wire, and the heat-conducting wire can make the surface heat of whole armor higher, more does benefit to the dampproofing protection on surface.
Preferably, the support connecting part comprises a spring and a connecting plate fixed at the end part of the spring, one connecting plate is connected with the heat conducting layer, and the other connecting plate is connected with the flame-retardant inner layer.
Through adopting above-mentioned technical scheme, support the compressive protection that the hookup respectively connect heat conduction layer and fire-retardant inlayer, an inside insulating layer and copper core has been increased.
Preferably, the spacer mesh is made of metal.
Through adopting above-mentioned technical scheme, the isolation net burns, and can form the protection of preventing cutting to the insulating layer.
Preferably, the flame retardant is a flame retardant adhesive, and the flame retardant and the isolation net are adhered and fixed.
By adopting the technical scheme, the flame retardant has viscosity, and can be bonded into a whole with the isolation net and the flame retardant.
Preferably, the insulating layer is made of a cross-linked polyolefin.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the crosslinked polyolefin cable is particularly suitable for being used in a humid environment, the waterproof outer layer and the flame-retardant inner layer are used for carrying out dampproof isolation protection on the copper core and the insulating layer inside, the flame-retardant inner layer can also be used for carrying out flame-retardant protection on the copper core and the insulating layer inside, the flame-retardant inner layer acquires heat discharged from the copper core and the insulating layer, and the heat is transferred to the heat conducting layer through the supporting connection part, so that the heat conducting layer heats, the heated heat conducting layer can cause the surface temperature of the waterproof outer layer to rise, and the waterproofness of the whole structure is improved; and the heat comes from the cable, so that the heat is effectively utilized, and the heat waste is reduced.
2. The crosslinked polyolefin cable has good compression resistance, and the compression resistance effect of the outside is increased through the springs and the connecting plates, so that the insulation layer and the copper core inside are less prone to damage after being extruded by external force, and the cable is more durable.
Drawings
FIG. 1 is an overall view A of the present utility model;
FIG. 2 is an overall view B of the present utility model;
FIG. 3 is a block diagram of the primary direction of the present utility model;
FIG. 4 is a plan view of the flame retardant inner layer of the present utility model;
fig. 5 is a partial internal cross-sectional view of the present utility model.
Reference numerals illustrate: 1. an insulating layer; 2. a copper core; 3. a waterproof outer layer; 4. a flame retardant inner layer; 5. a heat conducting layer; 6. a support connection portion; 301. a connection part; 302. a heat-permeable hole; 401. an isolation net; 402. a flame retardant; 403. a flame retardant; 501. a heat conducting wire; 502. a thickened portion; 601. a spring; 602. and (5) connecting a plate.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-5.
The embodiment of the utility model discloses an irradiation-free environment-friendly crosslinked polyolefin cable. Referring to fig. 1 and 5, the irradiation-free environment-friendly crosslinked polyolefin cable comprises an insulating layer 1 and a copper core 2, wherein the copper core 2 is arranged in the insulating layer 1, a protective outer layer is sleeved on the outer side of the insulating layer 1, the outer protective layer comprises a waterproof outer layer 3, a flame-retardant inner layer 4 and a heat conducting layer 5, the flame-retardant inner layer 4 is connected with the waterproof outer layer 3, the heat conducting layer 5 is fixed on the waterproof outer layer 3, an elastic supporting connecting part 6 is arranged on the heat conducting layer 5, the supporting connecting part 6 is connected with the flame-retardant inner layer 4, and the supporting connecting part 6 extrudes the flame-retardant inner layer 4.
Referring to fig. 1, the waterproof outer layer 3 is formed with a connection portion 301, the connection portion 301 is connected with the flame-retardant inner layer 4, the connection portion 301 and the waterproof outer layer 3 are of an integrated structure, and are adhered and fixed on the isolation net 401 of the flame-retardant inner layer 4, so as to achieve the effect of connecting the waterproof outer layer 3 and the flame-retardant inner layer 4.
Referring to fig. 4, the flame-retardant inner layer 4 includes a separation net 401 wrapped on the surface of the insulating layer 1, a flame retardant 402 is disposed at the mesh of the separation net 401, a flame retardant 403 is fixed on the flame retardant 402, and the waterproof outer layer 3 is fixed on the flame retardant 402.
The flame retardant 403 may be sand particles or other substances with flame retardant effect, and a layer of flame retardant 403 is adhered on the flame retardant 402, so that the flame retardant has better flame retardant effect. The flame retardant 402 is a flame retardant glue, which has good flame retardance and tackiness.
Referring to fig. 1, the heat conducting layer 5 includes a plurality of heat conducting wires 501, a thickened portion 502 is formed on the heat conducting wires 501, a wiring groove is formed on the waterproof outer layer 3, a heat-permeable hole 302 is formed at the bottom of the wiring groove, and the thickened portion 502 seals the heat-permeable hole 302 after the heat conducting wires 501 are fixed on the wiring groove.
Wherein, the heat conducting wire 501 can be aluminum alloy, the surface of which is provided with a waterproof coating, the heat conducting wire 501 is sealed in the wiring groove by waterproof glue, and the thickened part 502 seals the heat-permeable hole 302 by waterproof glue.
Referring to fig. 1, the supporting connection portion 6 includes a spring 601 and a connection plate 602 fixed at the end of the spring 601, one connection plate 602 is bonded with the heat conducting layer 5, and the other connection plate 602 is bonded with the flame retardant inner layer 4, so that the whole supporting connection portion 6 can perform good compression protection on the inner insulating layer 1 and the copper core 2, so that the insulating layer 1 and the copper core 2 are more difficult to damage and are more durable.
The number of the supporting connection parts 6 can be designed by itself, and the supporting connection parts 6 are connected with part of the heat conducting layer 5.
Wherein, the isolation net 401 is made of metal, such as aluminum alloy, and has thermal conductivity.
Referring to fig. 4, the flame retardant 402 is a flame retardant adhesive, the flame retardant 402 and the insulation net 401 are adhered and fixed, and the whole flame retardant inner layer 4 is adhered and fixed on the insulating layer 1 through the flame retardant 402.
The insulating layer 1 is made of crosslinked polyolefin, and a crosslinking agent is added into the material, so that a crosslinking reaction occurs during heating production, and the insulating layer 1 does not need to be irradiated, which is the prior art.
The implementation principle of the irradiation-free environment-friendly crosslinked polyolefin cable provided by the embodiment of the utility model is as follows:
the insulating layer 1 of the cable is made of polyolefin, and a cross-linking agent is added in the production process.
The outside of the insulating layer 1 is provided with a waterproof outer layer 3 and a flame-retardant inner layer 4 for protection, and the insulating layer 1 is surrounded by a separation net 401, a flame retardant 403 and a flame retardant 402 on the flame-retardant inner layer 4, so that good flame-retardant protection is formed on the insulating layer 1.
The waterproof outer layer 3 can be made of PVC or rubber, and is used for protecting the insulating layer 1, the copper core 2 and the like in the cable, the supporting connection part 6 is used for protecting the insulating layer 1 and the copper core 2 against compression, heat generated during large-current conveying in the cable is transmitted to the heat conducting wire 501 through the flame-retardant inner layer 4, the supporting connection part 6 and the thickening part 502, so that the heat of the surfaces of the heat conducting wire 501 and the waterproof outer layer 3 is increased, and dampproof protection is facilitated.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a exempt from irradiation environmental protection crosslinked polyolefin cable, includes insulating layer (1) and copper core (2), and copper core (2) set up in insulating layer (1), its characterized in that: the outside cover of insulating layer (1) has put the protection skin, and the outer protective layer includes waterproof skin (3), fire-retardant inlayer (4) and heat conduction layer (5), and fire-retardant inlayer (4) are connected with waterproof skin (3), and heat conduction layer (5) are fixed on waterproof skin (3), are provided with elastic supporting connection portion (6) on heat conduction layer (5), and supporting connection portion (6) are connected with fire-retardant inlayer (4), and supporting connection portion (6) extrudees fire-retardant inlayer (4).
2. The irradiation free environmentally friendly crosslinked polyolefin cable of claim 1, wherein: the waterproof outer layer (3) is provided with a connecting part (301), and the connecting part (301) is connected with the flame-retardant inner layer (4).
3. The irradiation free environmentally friendly crosslinked polyolefin cable of claim 1, wherein: the fire-retardant inner layer (4) comprises an isolation net (401) wrapped on the surface of the insulating layer (1), a fire retardant (402) is arranged at a mesh hole on the isolation net (401), a fire retardant (403) is fixed on the fire retardant (402), and the waterproof outer layer (3) is fixed on the fire retardant (402).
4. The irradiation free environmentally friendly crosslinked polyolefin cable of claim 1, wherein: the heat conduction layer (5) comprises a plurality of heat conduction wires (501), a thickening part (502) is formed on the heat conduction wires (501), a wiring groove is formed in the waterproof outer layer (3), a heat-permeable hole (302) is formed in the groove bottom of the wiring groove, and the heat conduction wires (501) are fixed on the wiring groove and then the thickening part (502) seals the heat-permeable hole (302).
5. The irradiation free environmentally friendly crosslinked polyolefin cable of claim 1, wherein: the support connecting part (6) comprises a spring (601) and a connecting plate (602) fixed at the end part of the spring (601), one connecting plate (602) is connected with the heat conducting layer (5), and the other connecting plate (602) is connected with the flame-retardant inner layer (4).
6. The irradiation free environmentally friendly crosslinked polyolefin cable of claim 3, wherein: the isolation net (401) is made of metal.
7. The irradiation free environmentally friendly crosslinked polyolefin cable of claim 3, wherein: the flame retardant (402) is a flame retardant adhesive, and the flame retardant (402) and the isolation net (401) are adhered and fixed.
8. The irradiation free environmentally friendly crosslinked polyolefin cable of claim 1, wherein: the insulating layer (1) is made of cross-linked polyolefin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785533.6U CN220137987U (en) | 2023-07-06 | 2023-07-06 | Irradiation-free environment-friendly crosslinked polyolefin cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785533.6U CN220137987U (en) | 2023-07-06 | 2023-07-06 | Irradiation-free environment-friendly crosslinked polyolefin cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220137987U true CN220137987U (en) | 2023-12-05 |
Family
ID=88960647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321785533.6U Active CN220137987U (en) | 2023-07-06 | 2023-07-06 | Irradiation-free environment-friendly crosslinked polyolefin cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220137987U (en) |
-
2023
- 2023-07-06 CN CN202321785533.6U patent/CN220137987U/en active Active
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