CN207800233U - A kind of pvc sheath flame-proof power cable - Google Patents
A kind of pvc sheath flame-proof power cable Download PDFInfo
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- CN207800233U CN207800233U CN201721794247.0U CN201721794247U CN207800233U CN 207800233 U CN207800233 U CN 207800233U CN 201721794247 U CN201721794247 U CN 201721794247U CN 207800233 U CN207800233 U CN 207800233U
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- layer
- phase line
- internally provided
- flame retardant
- retardant coating
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Abstract
The utility model discloses a kind of pvc sheath flame-proof power cables, including phase line, phase line flame retardant coating, fire-retardant set, tension silk, shielded layer, supporting layer, the fire-retardant set is internally provided with insulating layer, the insulating layer is internally provided with the shielded layer, the shielded layer is internally provided with the supporting layer, filler is filled with inside the supporting layer, the filler is internally provided with phase line polyvinyl chloride insulation layer, zero curve polyvinyl chloride insulation layer, ground wire polyvinyl chloride insulation layer and the tension silk, the phase line polyvinyl chloride insulation layer is internally provided with the phase line flame retardant coating, the phase line flame retardant coating is internally provided with the phase line.Advantageous effect is：Fire retardancy is stronger, fights the ability higher of temperature change, and the electromagnetic field in cable product can be isolated with extraneous electromagnetic field for shielded layer, be homogenized the distribution of electric field, power Transmission loss is less, and cable tensile resistance is stronger.
Description
Technical field
The utility model is related to novel power cable fields, and in particular to a kind of pvc sheath flame-proof power cable.
Background technology
Electric wire is to transmit electric (magnetic) energy, information and the wire product for realizing electromagnetic energy conversion, the electric wire of broad sense
Cable is also referred to simply as cable, and the cable of narrow sense refers to insulated cable, its definition is：The aggregate consisted of following parts；One
The clad that root or a plurality of insulated core and each may have, total protective layer and outer jacket, cable can also have additional
The conductor not insulated.To transmit electric (magnetic) energy, information and the wire product for realizing electromagnetic energy conversion.Conventional power cable
Fire resistance is poor, and fire retardancy is low, and market needs are not achieved in cold-resistant, wear-resisting ability, for the region that some conditions are poor, passes
System power cable insulation ability will be greatly reduced, easily break down in use, cause household electricity or commercial power by
It influences.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of fire-retardant electric power of pvc sheath
Cable.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of pvc sheath flame-proof power cable, including phase line, phase line flame retardant coating, fire-retardant set, tension silk, shielding
Layer, supporting layer, the fire-retardant set are internally provided with insulating layer, and the insulating layer is internally provided with the shielded layer, the shielding
Layer is internally provided with the supporting layer, filler is filled with inside the supporting layer, it is poly- that the filler is internally provided with phase line
Vinyl chloride insulation layer, zero curve polyvinyl chloride insulation layer, ground wire polyvinyl chloride insulation layer and the tension silk, the phase line polychlorostyrene second
Alkene insulating layer is internally provided with the phase line flame retardant coating, and the phase line flame retardant coating is internally provided with the phase line, and the zero curve is poly-
Vinyl chloride insulation layer is internally provided with zero curve flame retardant coating, and the zero curve flame retardant coating is internally provided with zero curve, the ground wire polychlorostyrene second
Alkene insulating layer is internally provided with ground wire flame retardant coating, and the ground wire flame retardant coating is internally provided with ground wire.
In above structure, after pvc sheath flame-proof power cable is installed on setting regions, it is described it is fire-retardant set every
High-temperature factor in exhausted external environment prevents cable from causing to catch fire because forest fire or thunder and lightning are hit, and the insulating layer will be outer
The air-flow isolation of boundary's cold or high temperature, prevents temperature from influencing the normal work of cable, the shielded layer is for producing cable
The component that electromagnetic field in product is isolated with extraneous electromagnetic field, the shielded layer is a kind of electromagnetic isolation screen, and cable is led
Body shields and insulation shielding is to be homogenized the distribution of electric field, and the support layer supports cable prevents cable because external force is by shape
Become, and then influence cable performance, the filler fills up the space inside cable, prevents cable deformation, is arranged inside cable
There are the tension silk, the tension silk to be made of rigid material, prevents from being broken when cable under tension, the phase line polyvinyl chloride
The phase line is isolated from the outside by insulating layer, ensures that the insulation environment of the phase line, the phase line flame retardant coating ensure the phase line
It will not burn because of fever, the zero curve is isolated from the outside by the zero curve polyvinyl chloride insulation layer, ensures the zero curve
Insulate environment, and the zero curve flame retardant coating ensures that the zero curve will not burn because of fever, the ground wire polyvinyl chloride insulation layer
The ground wire is isolated from the outside, ensures the insulation environment of the ground wire, the ground wire flame retardant coating ensures that the ground wire will not be because
Fever is burnt.
In order to further increase the fire retardancy in pvc sheath flame-proof power cable use, the fire-retardant set and institute
Insulating layer is stated by clamp connection, the insulating layer is connect with the shielded layer by viscose glue.
In order to further increase the fire retardancy in pvc sheath flame-proof power cable use, the shielded layer and institute
Supporting layer is stated by clamp connection, the supporting layer is connect with the filler by viscose glue.
In order to further increase the fire retardancy in pvc sheath flame-proof power cable use, the tension silk and institute
It states filler to link by viscose glue, the phase line polyvinyl chloride insulation layer is connect with the phase line flame retardant coating by cutting ferrule.
In order to further increase the fire retardancy in pvc sheath flame-proof power cable use, the phase line flame retardant coating
It is connect by viscose glue with the phase line, the zero curve polyvinyl chloride insulation layer is connect with the zero curve flame retardant coating by cutting ferrule.
In order to further increase the fire retardancy in pvc sheath flame-proof power cable use, the zero curve flame retardant coating
It is connect by viscose glue with the zero curve, the ground wire polyvinyl chloride insulation layer is connect with the ground wire flame retardant coating by cutting ferrule.
In order to further increase the fire retardancy in pvc sheath flame-proof power cable use, the ground wire flame retardant coating
It is connect by viscose glue with the ground wire.
Advantageous effect is：While completely cutting off cable inner heat, the extraneous open fire being likely to occur of isolation, fire retardancy is more
By force, it is provided with insulating layer, prevents cable from the problem of performance decline, ability to transmit electricity higher, shielded layer occur because of temperature condition variation
Electromagnetic field in cable product can be isolated with extraneous electromagnetic field, be homogenized the distribution of electric field, electric energy transmittability is more
By force, power Transmission loss is less, and tension silk is arranged in cable, and cable tensile resistance is stronger, using pvc sheath as
Fire proofing, fire retardancy higher.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of pvc sheath flame-proof power cable described in the utility model；
Fig. 2 is a kind of schematic cross-section of pvc sheath flame-proof power cable zero curve described in the utility model；
Fig. 3 is a kind of schematic cross-section of pvc sheath flame-proof power cable ground wire described in the utility model.
The reference numerals are as follows：
1, phase line polyvinyl chloride insulation layer；2, phase line flame retardant coating；3, phase line；4, tension silk；5, shielded layer；6, insulating layer；
7, filler；8, fire-retardant set；9, supporting layer；10, zero curve polyvinyl chloride insulation layer；11, zero curve flame retardant coating；12, zero curve；13,
Line polyvinyl chloride insulation layer；14, ground wire flame retardant coating；15, ground wire.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1-Figure 3, a kind of pvc sheath flame-proof power cable, including it is phase line 3, phase line flame retardant coating 2, fire-retardant
Set 8, tension silk 4, shielded layer 5, supporting layer 9, fire-retardant set 8 are internally provided with insulating layer 6, and fire-retardant set 8 is for preventing cable because outer
Boundary's high temperature or thunder and lightning, which are hit, to burn, and insulating layer 6 is for preventing ambient temperature variation from influencing cable power transmission ability, insulating layer 6
It is internally provided with shielded layer 5, shielded layer 5 is used to the electromagnetic field in cable product with extraneous electromagnetic field being isolated, be homogenized
The distribution of electric field, shielded layer 5 are internally provided with supporting layer 9, and supporting layer 9, which is used to support cable, prevents cable from deforming upon, support
9 inside of layer is filled with filler 7, and for filler 7 for filling up inside cable, it is exhausted that filler 7 is internally provided with phase line polyvinyl chloride
Edge layer 1, zero curve polyvinyl chloride insulation layer 10, ground wire polyvinyl chloride insulation layer 13 and tension silk 4, tension silk 4 is for preventing cable
Because stretching is broken, phase line polyvinyl chloride insulation layer 1 is used to ensure the insulation environment of phase line 3, zero curve polyvinyl chloride insulation layer
The 10 insulation environment for ensureing zero curve 12, ground wire polyvinyl chloride insulation layer 13 are used to ensure the insulation environment of ground wire 15, phase line
Polyvinyl chloride insulation layer 1 is internally provided with phase line flame retardant coating 2, and phase line flame retardant coating 2 is for preventing phase line 3 from influencing transmission of electricity property because of fever
Can, phase line flame retardant coating 2 is internally provided with phase line 3, and phase line 3 is used for transmission electric power, the 10 inside setting of zero curve polyvinyl chloride insulation layer
There is zero curve flame retardant coating 11, zero curve flame retardant coating 11 is for preventing zero curve 12 from influencing transmission performance because generating heat, inside zero curve flame retardant coating 11
It is provided with zero curve 12, zero curve 12 is used for and phase line 3 constitutes circuit and is powered, and ground wire polyvinyl chloride insulation layer 13 is internally provided with
Ground wire flame retardant coating 14, for preventing ground wire 15 from generating heat, ground wire flame retardant coating 14 is internally provided with ground wire 15, is used for ground wire flame retardant coating 14
When overtension, electric current enters the earth by ground wire 14.
In above structure, after pvc sheath flame-proof power cable is installed on setting regions, 8 isolation of fire-retardant set is outer
High-temperature factor in boundary's environment prevents cable from causing to catch fire because forest fire or thunder and lightning are hit, insulating layer 6 by extraneous cold or
The air-flow of person's high temperature completely cuts off, and prevents temperature from influencing the normal work of cable, and shielded layer 5 is for by the electromagnetic field in cable product
The component being isolated with extraneous electromagnetic field, shielded layer 5 is a kind of electromagnetic isolation screen, the conductor shielding and insulation shielding of cable
It is to be homogenized the distribution of electric field, supporting layer 9 supports cable, prevents cable because external force is by deformation, and then influence cable performance,
Filler 7 fills up the space inside cable, and cable deformation, cable is prevented to be internally provided with tension silk 4, the rigidity of tension silk 4
Material is made, and prevents from being broken when cable under tension, and phase line 3 is isolated from the outside by phase line polyvinyl chloride insulation layer 1, ensures phase line
3 insulation environment, phase line flame retardant coating 2 ensure that phase line 3 will not burn because of fever, and zero curve polyvinyl chloride insulation layer 10 is by zero curve
12 are isolated from the outside, and ensure that the insulation environment of zero curve 12, zero curve flame retardant coating 11 ensure that zero curve 12 will not burn because of fever, ground
Ground wire 15 is isolated from the outside by line polyvinyl chloride insulation layer 13, ensures that the insulation environment of ground wire 15, ground wire flame retardant coating 14 ensure ground
Line 15 will not burn because of fever.
In order to further increase the fire retardancy in pvc sheath flame-proof power cable use, fire-retardant set 8 and heat preservation
By clamp connection, insulating layer 6 is connect with shielded layer 5 by viscose glue layer 6, and shielded layer 5 passes through clamp connection, branch with supporting layer 9
Support layer 9 connect by viscose glue with filler 7, tension silk 4 is linked with filler 7 by viscose glue, phase line polyvinyl chloride insulation layer 1 and
Phase line flame retardant coating 2 is connected by cutting ferrule, and phase line flame retardant coating 2 is connect with phase line 3 by viscose glue, zero curve polyvinyl chloride insulation layer 10 with
Zero curve flame retardant coating 11 is connected by cutting ferrule, and zero curve flame retardant coating 11 is connect with zero curve 12 by viscose glue, ground wire polyvinyl chloride insulation layer
13 are connect with ground wire flame retardant coating 14 by cutting ferrule, and ground wire flame retardant coating 14 is connect with ground wire 15 by viscose glue.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.
Claims (7)
1. a kind of pvc sheath flame-proof power cable, it is characterised in that：Including phase line (3), phase line flame retardant coating (2), fire-retardant
(8), tension silk (4), shielded layer (5), supporting layer (9) are covered, the fire-retardant set (8) is internally provided with insulating layer (6), the heat preservation
Layer (6) is internally provided with the shielded layer (5), and the shielded layer (5) is internally provided with the supporting layer (9), the supporting layer
(9) internal to be filled with filler (7), the filler (7) is internally provided with phase line polyvinyl chloride insulation layer (1), zero curve polychlorostyrene
Ethylene insulating layer (10), ground wire polyvinyl chloride insulation layer (13) and the tension silk (4), the phase line polyvinyl chloride insulation layer
(1) it is internally provided with the phase line flame retardant coating (2), the phase line flame retardant coating (2) is internally provided with the phase line (3), and described zero
Line polyvinyl chloride insulation layer (10) is internally provided with zero curve flame retardant coating (11), and the zero curve flame retardant coating (11) is internally provided with zero curve
(12), the ground wire polyvinyl chloride insulation layer (13) is internally provided with ground wire flame retardant coating (14), and the ground wire flame retardant coating (14) is interior
Portion is provided with ground wire (15).
2. a kind of pvc sheath flame-proof power cable according to claim 1, it is characterised in that：The fire-retardant set
(8) with the insulating layer (6) by clamp connection, the insulating layer (6) is connect with the shielded layer (5) by viscose glue.
3. a kind of pvc sheath flame-proof power cable according to claim 1, it is characterised in that：The shielded layer
(5) with the supporting layer (9) by clamp connection, the supporting layer (9) is connect with the filler (7) by viscose glue.
4. a kind of pvc sheath flame-proof power cable according to claim 1, it is characterised in that：The tension silk
(4) it is linked by viscose glue with the filler (7), the phase line polyvinyl chloride insulation layer (1) is logical with the phase line flame retardant coating (2)
Cross cutting ferrule connection.
5. a kind of pvc sheath flame-proof power cable according to claim 1, it is characterised in that：The phase line fire resisting
Layer (2) is connect with the phase line (3) by viscose glue, the zero curve polyvinyl chloride insulation layer (10) and the zero curve flame retardant coating (11)
It is connected by cutting ferrule.
6. a kind of pvc sheath flame-proof power cable according to claim 1, it is characterised in that：The zero curve fire resisting
Layer (11) is connect with the zero curve (12) by viscose glue, the ground wire polyvinyl chloride insulation layer (13) and the ground wire flame retardant coating
(14) it is connected by cutting ferrule.
7. a kind of pvc sheath flame-proof power cable according to claim 1, it is characterised in that：The ground wire fire resisting
Layer (14) is connect with the ground wire (15) by viscose glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721794247.0U CN207800233U (en) | 2017-12-20 | 2017-12-20 | A kind of pvc sheath flame-proof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721794247.0U CN207800233U (en) | 2017-12-20 | 2017-12-20 | A kind of pvc sheath flame-proof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207800233U true CN207800233U (en) | 2018-08-31 |
Family
ID=63282196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721794247.0U Expired - Fee Related CN207800233U (en) | 2017-12-20 | 2017-12-20 | A kind of pvc sheath flame-proof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207800233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111899934A (en) * | 2020-08-31 | 2020-11-06 | 安徽国信电缆科技股份有限公司 | Cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding control cable |
-
2017
- 2017-12-20 CN CN201721794247.0U patent/CN207800233U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111899934A (en) * | 2020-08-31 | 2020-11-06 | 安徽国信电缆科技股份有限公司 | Cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding control cable |
| CN111899934B (en) * | 2020-08-31 | 2021-11-16 | 安徽国信电缆科技股份有限公司 | Cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding control cable |
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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: 20180831 Termination date: 20181220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |