CN208335846U - A kind of flame-retardant copper core PVC insulated power cable - Google Patents
A kind of flame-retardant copper core PVC insulated power cable Download PDFInfo
- Publication number
- CN208335846U CN208335846U CN201820995537.XU CN201820995537U CN208335846U CN 208335846 U CN208335846 U CN 208335846U CN 201820995537 U CN201820995537 U CN 201820995537U CN 208335846 U CN208335846 U CN 208335846U
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- CN
- China
- Prior art keywords
- insulating layer
- flame
- periphery
- power cable
- surrounded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 35
- 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 18
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 18
- 239000000919 ceramic Substances 0.000 claims abstract description 10
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 10
- 241000206672 Gelidium Species 0.000 claims abstract description 9
- 108010059642 isinglass Proteins 0.000 claims abstract description 9
- 229910052627 muscovite Inorganic materials 0.000 claims abstract description 9
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 8
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 17
- 239000004800 polyvinyl chloride Substances 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 241000784726 Lycaena thetis Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002265 prevention Effects 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model provides a kind of flame-retardant copper core PVC insulated power cable, belong to power cable technical field, including three conducting wires, flame retardant coating, shielded layer, the first insulating layer and second insulating layer, three conducting wires are shape, the identical conducting wire of size.Conducting wire is the sector conductor that central angle is 120 ° and edge is equipped with fillet, three conducting wires are combined concentrically, and the plane of adjacent two conducting wires is bonded to each other, and the cambered surface of three conducting wires combines to form circumference, each wire includes fire-resistant isinglass belt and conductor, and fire-resistant isinglass belt is around conductor periphery;Conducting wire periphery is surrounded with the first insulating layer, and the first insulating layer is made of Ceramic silicon rubber, and thickness is not less than 5mm, and the first insulating layer periphery is surrounded with shielded layer, and shielding layer periphery is surrounded with flame retardant coating, and flame retardant coating periphery is surrounded with second insulating layer.The construction of cable stabilization, good insulating, fire resistance are strong.
Description
Technical field
The utility model relates to power cable technical fields, more particularly to a kind of flame-retardant copper core polyvinyl chloride
Insulated power cable.
Background technique
Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station
Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line.In power circuit, cable proportion just gradually increases
Add.Power cable is in the basic routing line of electric system to the cable product for transmitting and distributing high-power power, including 1-
500KV and more than various voltage class, the power cable of various insulation.There are certain defect, the structures of cable for existing cable
It is unstable, insulating properties is poor, electric shock phenomenon usually occurs because extrusion friction is damaged, leads to unexpected generation;And fire resistance
Difference, it is difficult to ensure the safe handling of power cable in case of fire.
Utility model content
In order to overcome the drawbacks of the prior art, a kind of fire-retardant resistance to the technical problem to be solved by the utility model is to propose
Fiery copper core PVC insulated power cable, the construction of cable stabilization, good insulating, fire resistance are strong.
For this purpose, the utility model uses following technical scheme:
The utility model provides a kind of flame-retardant copper core PVC insulated power cable, including three conducting wires, resistance to
Fire bed, shielded layer, the first insulating layer and second insulating layer, shape, the size of three conducting wires are identical and are central angle
For 120 ° of sector conductor, three conducting wires are combined concentrically, and the plane of adjacent two conducting wires is bonded to each other, three institutes
The cambered surface for stating conducting wire combines to form circumference, and the edge of the every conducting wire is equipped with fillet, and including fire-resistant isinglass belt and leads
Body, the fire-resistant isinglass belt is around the conductor periphery;
The conducting wire periphery is surrounded with first insulating layer, and first insulating layer is made of Ceramic silicon rubber,
And thickness is not less than 5mm, first insulating layer periphery is surrounded with the shielded layer, and the shielding layer periphery is surrounded with described resistance to
Fire bed, the flame retardant coating periphery are surrounded with the second insulating layer.
In the preferable technical solution of the utility model, fire-retardant glass is filled between told conducting wire and first insulating layer
Glass cordage.
In the preferable technical solution of the utility model, the conductor is twisted by a plurality of copper wire.
In the preferable technical solution of the utility model, waterproof layer is equipped between the flame retardant coating and the shielded layer.
In the preferable technical solution of the utility model, the second insulating layer is made of polyvinyl chloride.
The utility model has the following beneficial effects:
A kind of flame-retardant copper core PVC insulated power cable provided by the utility model, the conducting wire of the cable is by three
Root conducting wire is combined concentrically, and the plane of adjacent two conducting wires is bonded to each other, and circumference is formed between cambered surface, and structure is steady
It is fixed, good stability can be kept being squeezed, and be unlikely to deform;Conducting wire periphery be also surrounded with other than having flame retardant coating by
First insulating layer made of Ceramic silicon rubber, the heated flame retardant coating for being changed into ceramic tubular of Ceramic silicon rubber, effectively enhances
The fire resistance of cable, while improving insulation effect.
Detailed description of the invention
Fig. 1 is a kind of flame-retardant copper core PVC insulated power cable that specific embodiment of the present invention provides
Structural schematic diagram.
In figure:
1, second insulating layer;2, conducting wire;3, flame retardant coating;4, waterproof layer;5, shielded layer;6, the first insulating layer;7, fire-retardant glass
Glass cordage;21, fire-resistant isinglass belt;22, conductor.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, providing a kind of flame-retardant copper core PVC insulated power cable in the present embodiment, including three
Root conducting wire 2, flame retardant coating 3, shielded layer 5, the first insulating layer 6 and second insulating layer 1, shape, the size phase of three conducting wires 2
It together and is the sector conductor that central angle is 120 °, three conducting wires 2 are combined concentrically, and adjacent two conducting wires 2 is flat
Face is bonded to each other, and the cambered surface of three conducting wires 2 combines to form circumference, and the edge of the every conducting wire 2 is equipped with fillet, in institute
It states in 2 production process of conducting wire, edge is made into fillet, and to keep 2 structure of conducting wire more stable, three conducting wires 2 are wrapped
Fire-resistant isinglass belt 21 and conductor 22 are included, the fire-resistant isinglass belt 21 is around 22 periphery of conductor;
2 periphery of conducting wire is surrounded with first insulating layer 6, and first insulating layer 6 is made of Ceramic silicon rubber,
And thickness is not less than 5mm, 6 periphery of the first insulating layer is surrounded with the shielded layer 5, and 5 periphery of shielded layer is wrapped
Flame retardant coating 3 is stated, 3 periphery of flame retardant coating is surrounded with the second insulating layer 1.
The conducting wire 2 of a kind of above-mentioned flame-retardant copper core PVC insulated power cable, the cable is same by three conducting wires 2
The heart is composed, and the plane of adjacent two conducting wires 2 is bonded to each other, and forms circumference between cambered surface, stable structure, even if by
It squeezes but 22 interplanar of each conductor mutually supports, can also keep good stability, be unlikely to deform;2 periphery of conducting wire is resistance in addition to having
The first insulating layer 6 made of Ceramic silicon rubber is also surrounded with outside fire bed 3, Ceramic silicon rubber is heated to be changed into ceramic tubular
Flame retardant coating 3, effectively enhance the fire resistance of cable, while improving insulation effect.
It should be noted that flame retardant coating 3, the shielded layer 5, first insulating layer 6 and described second described above
Existing cable manufacture craft can be used to make in the around-packing technology such as insulating layer 1, and current cable manufacture craft ten has been divided into
It is ripe and be not the claimed technological means of the application, therefore this will not be repeated here.
Further, combustion-proof glass fiber rope 7 is filled between told conducting wire 2 and first insulating layer;Fireproof glass
Cordage is environment friendly and pollution-free, has the characteristics that fire resistant anticorrosive, and refractory glass fiber rope 7, which is added, makes the cable be provided with fire prevention
Function can effectively extend the service life of the cable.
Further, the conductor 22 is twisted by a plurality of copper wire;The twisted conductor 22 formed of copper wire is relative to single
For conductor, flexibility is more prominent, bending property is preferable, and electric conductivity is also more preferable;It is easier to be processed into sector simultaneously, improving should
The production efficiency of cable.
Further, waterproof layer 4 is equipped between the flame retardant coating 3 and the shielded layer 5;The waterproof layer 4 can be by butyl
Rubber or ethylene propylene diene rubber are made, and the waterproof layer 4 can improve the waterproof performance of cable.
Further, the second insulating layer 1 is made of polyvinyl chloride;Polyvinyl chloride has anti-flammability, acid resistance, makes electricity
Power cable can play good insulating properties, securely and reliably, while convenient to use also improve the fire resistance of power cable.
The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality
In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality
It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to
In the range of the utility model protection.
Claims (5)
1. a kind of flame-retardant copper core PVC insulated power cable, it is characterised in that:
Including three conducting wires (2), flame retardant coating (3), shielded layer (5), the first insulating layer (6) and second insulating layer (1), three institutes
Shape, the size for stating conducting wire (2) are identical and be central angle be 120 ° of sector conductor, and three conducting wires (2) are combined concentrically,
And the plane of adjacent two conducting wires (2) is bonded to each other, the cambered surface of three conducting wires (2) combines to form circumference, every institute
The edge for stating conducting wire (2) is equipped with fillet, and includes fire-resistant isinglass belt (21) and conductor (22), the fire-resistant isinglass belt (21)
Around the conductor (22) periphery;
Conducting wire (2) periphery is surrounded with first insulating layer (6), first insulating layer (6) by Ceramic silicon rubber
It is made, and thickness is not less than 5mm, the first insulating layer (6) periphery is surrounded with the shielded layer (5), and the shielded layer (5) is outside
Around being surrounded by the flame retardant coating (3), flame retardant coating (3) periphery is surrounded with the second insulating layer (1).
2. a kind of flame-retardant copper core PVC insulated power cable according to claim 1, it is characterised in that:
Combustion-proof glass fiber rope (7) are filled between told conducting wire (2) and first insulating layer (6).
3. a kind of flame-retardant copper core PVC insulated power cable according to claim 1, it is characterised in that:
The conductor (22) is twisted by a plurality of copper wire.
4. a kind of flame-retardant copper core PVC insulated power cable according to claim 1, it is characterised in that:
Waterproof layer (4) are equipped between the flame retardant coating (3) and the shielded layer (5).
5. a kind of flame-retardant copper core PVC insulated power cable according to claim 1, it is characterised in that:
The second insulating layer (1) is made of polyvinyl chloride.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820995537.XU CN208335846U (en) | 2018-06-26 | 2018-06-26 | A kind of flame-retardant copper core PVC insulated power cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820995537.XU CN208335846U (en) | 2018-06-26 | 2018-06-26 | A kind of flame-retardant copper core PVC insulated power cable |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208335846U true CN208335846U (en) | 2019-01-04 |
Family
ID=64785158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820995537.XU Expired - Fee Related CN208335846U (en) | 2018-06-26 | 2018-06-26 | A kind of flame-retardant copper core PVC insulated power cable |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208335846U (en) |
-
2018
- 2018-06-26 CN CN201820995537.XU patent/CN208335846U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 |
|
CF01 | Termination of patent right due to non-payment of annual fee |