CN208477969U - The fire-retardant three cores midium voltage cable of tension - Google Patents
The fire-retardant three cores midium voltage cable of tension Download PDFInfo
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- CN208477969U CN208477969U CN201820606179.9U CN201820606179U CN208477969U CN 208477969 U CN208477969 U CN 208477969U CN 201820606179 U CN201820606179 U CN 201820606179U CN 208477969 U CN208477969 U CN 208477969U
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Abstract
The utility model discloses a kind of fire-retardant three cores midium voltage cables of tension, including three conductors, a conductor shield is wrapped up on each conductor, an XLPE insulating layer is wrapped up on each conductor shield, a semiconductive insulation screen is wrapped up on each XLPE insulating layer, a copper strip shielding layer is wrapped up on each semi-conductive insulation shield layer, wraps up one first tensile layer on each copper strip shielding layer；What three conductors surrounded wraps up a non-woven fabrics wrapping layer again on the whole, wraps up the second tensile layer in the non-woven fabrics wrapping layer again, wraps up 90 ° of flame-proof PVC oversheaths on second tensile layer again.The tensile layer of the utility model setting, structure novel, manufacture easy to produce improve properties of product in the case where not increasing considerably cost；And by the flame-retardant layer of setting and shielded layer etc., improve the comprehensive performance of fire-retardant shielding and insulation.
Description
Technical field
The utility model relates to technical field of cable production, and in particular to a kind of fire-retardant three cores midium voltage cable of tension.
Background technique
Wire and cable is to transmit electric (magnetic) energy, information and the wire product for realizing electromagnetic energy conversion.The electric wire electricity of broad sense
Cable is also referred to simply as cable, and the cable of narrow sense refers to insulated cable, it may be defined as: the aggregate consisted of following parts；One
Or the clad that a plurality of insulated core and each may have, total protective layer and outer jacket, cable can also have additional
The conductor not insulated.This class product is mainly characterized by comprising: pure conductor metal, naked and restrictive coating, as steel-cored aluminium strand,
Copper aluminium bus-bar, electric power machine fare etc.；Processing technology is mainly pressure processing, as melting, calendering, drawing, be twisted/press it is twisted
Deng；Product is used primarily in outskirts of a town, rural area, user's main line, switchgear etc..
Currently, cable be the problem is that tensile strength and flame retardant property cannot fully meet requirement, in installation process or
It may cause the damage of cable conductor in use process.
Utility model content
The utility model overcomes the deficiencies in the prior art, provides a kind of fire-retardant three cores midium voltage cable of tension, it is intended to improve
The tension of cable and fire-retardant comprehensive performance.
In view of the above problem of the prior art, according to one aspect disclosed by the utility model, the utility model is used
Following technical scheme:
A kind of fire-retardant three cores midium voltage cable of tension, including three conductors wrap up a conductor shield on each conductor,
An XLPE insulating layer is wrapped up on each conductor shield, wraps up a semi-conductive insulation shield on each XLPE insulating layer
Layer, a copper strip shielding layer is wrapped up on each semi-conductive insulation shield layer, wraps up one first on each copper strip shielding layer
Tensile layer；Three conductors and its respectively upper conductor shield being arranged, XLPE insulating layer, semi-conductive insulation shield layer, copper
A non-woven fabrics wrapping layer is wrapped up again on the whole with what shielded layer and the first tensile layer surrounded, is wrapped up again in the non-woven fabrics wrapping layer
Second tensile layer wraps up 90 ° of flame-proof PVC oversheaths on second tensile layer again.
In order to which the utility model is better achieved, further technical solution is:
An embodiment according to the present utility model, the non-woven fabrics wrapping layer is interior to be arranged three tensile cords.
Another embodiment according to the present utility model, the tensile cord are nylon core.
Another embodiment according to the present utility model, first tensile layer are the reticular structure of nylon wire braiding
Layer.
Another embodiment according to the present utility model, second tensile layer are the reticular structure of nylon wire braiding
Layer.
The utility model may also is that
Filled layer is arranged in another embodiment according to the present utility model, the gap location in the non-woven fabrics wrapping layer.
Another embodiment according to the present utility model, the filled layer are non-hygroscopic filling.
Compared with prior art, the beneficial effects of the utility model first is that:
A kind of fire-retardant three cores midium voltage cable of tension of the utility model improves conductor by the first tensile layer of setting
Tension protective capacities；Further by the second tensile layer and tensile cord etc., the tensile strength of cable entirety, and this reality are improved
With the tensile layer of novel setting, structure novel, manufacture easy to produce improves production in the case where not increasing considerably cost
Moral character energy；And by the flame-retardant layer of setting and shielded layer etc., improve the comprehensive performance of fire-retardant shielding and insulation.
Detailed description of the invention
Illustrate present specification embodiment or technical solution in the prior art in order to clearer, it below will be to embodiment
Or attached drawing needed in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the reference to embodiments some in present specification, for those skilled in the art, what is do not made the creative labor
In the case of, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the fire-retardant three cores midium voltage cable structural schematic diagram of tension according to the utility model one embodiment.
Wherein, title corresponding to the appended drawing reference in attached drawing are as follows:
1- conductor, 2- conductor shield, 3-XLPE insulating layer, 4- semi-conductive insulation shield layer, 5- copper strip shielding
Layer, the first tensile layer of 6-, 7- non-woven fabrics wrapping layer, the second tensile layer of 8-, 9-90 ° of flame-proof PVC oversheath, 10- tension
Line, 11- filled layer.
Specific embodiment
The utility model is described in further detail below with reference to embodiment, but the embodiments of the present invention is not
It is limited to this.
As shown in Figure 1, Fig. 1 shows the fire-retardant three cores midium voltage cable knot of tension according to the utility model one embodiment
Structure, a kind of fire-retardant three cores midium voltage cable of tension, including three conductors 1 wrap up a conductor shield 2 on each conductor 1, often
An XLPE insulating layer 3 is wrapped up on one conductor shield 2, wraps up a semi-conductive insulation screen on each XLPE insulating layer 3
Layer 4 is covered, a copper strip shielding layer 5 is wrapped up on each semi-conductive insulation shield layer 4, is wrapped up on each copper strip shielding layer 5
One first tensile layer 6；Three conductors 1 and its respectively upper conductor shield 2 being arranged, XLPE insulating layer 3, semi-conductive insulation
What shielded layer 4, copper strip shielding layer 5 and the first tensile layer 6 surrounded wraps up a non-woven fabrics wrapping layer 7, the non-woven fabrics again on the whole
The second tensile layer 8 is wrapped up in wrapping layer 7 again, wraps up 90 ° of flame-proof PVC oversheaths 9 on second tensile layer 8 again.
Three tensile cords 10 are set in the non-woven fabrics wrapping layer 7.
The tensile cord 10 is nylon core.
First tensile layer 6 is the reticular structure layer of nylon wire braiding.
Second tensile layer 8 is the reticular structure layer of nylon wire braiding.
Filled layer 11 is arranged in gap location in the non-woven fabrics wrapping layer 7.
The filled layer 11 is non-hygroscopic filling.
For to sum up, the tension protective capacities of conductor is improved by the first tensile layer 6 of setting；It is further by the
Two tensile layers 8 and tensile cord 10 etc. improve the tensile strength of cable entirety, and the tensile layer of the utility model setting, structure
Novelty, manufacture easy to produce improve properties of product in the case where not increasing considerably cost；And the resistance for passing through setting
Layer and shielded layer etc. are fired, the comprehensive performance of fire-retardant shielding and insulation is improved.
What each embodiment in this specification stressed is all differences from other embodiments, each embodiment it
Between same and similar part cross-reference." one embodiment " for being spoken of in the present specification, " another embodiment ",
" embodiment " etc. refers to that combining specific features, structure or the feature of embodiment description to be included in the application generality retouches
In at least one embodiment stated.It is not centainly to refer to the same implementation that statement of the same race, which occur, in multiple places in the description
Example.Furthermore, it is understood that is advocated is to combine when describing a specific features, structure or feature in conjunction with any embodiment
Other embodiments realize that this feature, structure or feature are also fallen in the scope of the utility model.
Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations
It will fall within scope and spirit disclosed in the present application.More specifically, it is disclosed and the scope of the claims in the application
It is interior, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block and/
Or outside the variations and modifications of layout progress, to those skilled in the art, other purposes also be will be apparent.
Claims (7)
1. a kind of fire-retardant three cores midium voltage cable of tension, it is characterised in that including three conductors (1), wrapped on each conductor (1)
It wraps up in a conductor shield (2), an XLPE insulating layer (3), each XLPE insulation is wrapped up on each conductor shield (2)
A semiconductive insulation screen (4) is wrapped up on layer (3), wraps up a copper strip shielding on each semi-conductive insulation shield layer (4)
Layer (5) wraps up one first tensile layer (6) on each copper strip shielding layer (5)；Three conductors (1) and its respectively on set
Conductor shield (2), XLPE insulating layer (3), semi-conductive insulation shield layer (4), copper strip shielding layer (5) and the first tensile layer set
(6) what is surrounded wraps up a non-woven fabrics wrapping layer (7) again on the whole, wraps up the second tensile layer again on the non-woven fabrics wrapping layer (7)
(8), 90 ° of flame-proof PVC oversheaths (9) are wrapped up again on second tensile layer (8).
2. the fire-retardant three cores midium voltage cable of tension according to claim 1, it is characterised in that in the non-woven fabrics wrapping layer (7)
Three tensile cords (10) are set.
3. the fire-retardant three cores midium voltage cable of tension according to claim 2, it is characterised in that the tensile cord (10) is nylon
Core.
4. the fire-retardant three cores midium voltage cable of tension according to claim 1, it is characterised in that first tensile layer (6) is Buddhist nun
The reticular structure layer of imperial line braiding.
5. the fire-retardant three cores midium voltage cable of tension according to claim 1, it is characterised in that second tensile layer (8) is Buddhist nun
The reticular structure layer of imperial line braiding.
6. the fire-retardant three cores midium voltage cable of tension according to claim 1, it is characterised in that in the non-woven fabrics wrapping layer (7)
Gap location be arranged filled layer (11).
7. the fire-retardant three cores midium voltage cable of tension according to claim 6, it is characterised in that the filled layer (11) is non-suction
Moist filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820606179.9U CN208477969U (en) | 2018-04-25 | 2018-04-25 | The fire-retardant three cores midium voltage cable of tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820606179.9U CN208477969U (en) | 2018-04-25 | 2018-04-25 | The fire-retardant three cores midium voltage cable of tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208477969U true CN208477969U (en) | 2019-02-05 |
Family
ID=65219599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820606179.9U Active CN208477969U (en) | 2018-04-25 | 2018-04-25 | The fire-retardant three cores midium voltage cable of tension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208477969U (en) |
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2018
- 2018-04-25 CN CN201820606179.9U patent/CN208477969U/en active Active
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