CN209374084U - A kind of sun-proof type power cable of tension - Google Patents
A kind of sun-proof type power cable of tension Download PDFInfo
- Publication number
- CN209374084U CN209374084U CN201822235315.0U CN201822235315U CN209374084U CN 209374084 U CN209374084 U CN 209374084U CN 201822235315 U CN201822235315 U CN 201822235315U CN 209374084 U CN209374084 U CN 209374084U
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- outer protective
- sun
- proof type
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Abstract
The utility model discloses a kind of sun-proof type power cables of tension, it from the inside to the outside include power transmission line, several signal transmssion lines being circular layout around power transmission line, the band being wrapped in outside several signal transmssion lines, aluminium strip lapped shielding layer and oversheath set on band outer surface, the oversheath includes outer protective polyethylene layer, outer protective polyethylene layer is internally provided with air hole, waterproof layer is provided on the inside of outer protective polyethylene layer, heat insulation layer is provided on the outside of outer protective polyethylene layer, anti-ultraviolet aging layer is provided on the outside of heat insulation layer, wearing layer is provided on the outside of anti-ultraviolet aging layer, a nanometer reflective layer is provided on the outside of wearing layer.The utility model hardness is lower, flexibility is preferable, meets the needs in narrow laying environment overbending, avoids cable and the risk to crack occur, and have many advantages, such as high fire-retardance, environmental protection, waterproof, anti-aging, wear-resisting, insulation, improve the use scope and security level of power cable.
Description
Technical field
The utility model relates to power cable technical field, specially a kind of sun-proof type power cable of tension.
Background technique
Power cable is widely used in power, communication transmission industry, with the continuous development of technology, what power cable was applicable in
Occasion gradually complicates, is diversified, and requirement of the people to power cable is also harsher, such as to the service life of communication cable
The requirement of property and heat-resisting, waterproof, resistance to compression, intensity etc. is all especially high, but existing most power cable is not
Has a fire-retardant and fire resisting dual function, conductor is hardened, becomes fragile due to the factors such as generating heat, aoxidizing in the long-term use, makes
It being easily broken off at end point, the structural limitations of cable make that its bending property is poor, cable flame-retardant performance is poor, and due to
Many times cable needs to use outdoors, and for a long time by solarization, surface is easy aging, is easy so as to cause cable cable
Fire influences service life.
Utility model content
The purpose of this utility model is to provide a kind of sun-proof type power cables of tension, to solve to mention in above-mentioned background technique
Out the problem of.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solutions: a kind of sun-proof type electric power electricity of tension
Cable includes power transmission line, several signal transmssion lines being circular layout around power transmission line, is wrapped in several from the inside to the outside
Band outside signal transmssion line, aluminium strip lapped shielding layer and oversheath set on band outer surface, the power transmission line is by interior
To outside including power conductor, the polyimide coating for being coated on power conductor outer surface, anti-corona coating and electric insulation layer, institute
It states filled with combustion-proof glass fiber in the gap between electric insulation layer, signal transmssion line and band, the oversheath includes poly-
Ethylene outer jacket, the outer protective polyethylene layer are internally provided with air hole, are provided with waterproof layer on the inside of the outer protective polyethylene layer,
It is provided with heat insulation layer on the outside of the outer protective polyethylene layer, is provided with anti-ultraviolet aging layer, the anti-purple on the outside of the heat insulation layer
It is provided with wearing layer on the outside of outside line aging layer, is provided with a nanometer reflective layer on the outside of the wearing layer.
Further, the power conductor is made by twisting by several tinned copper wires；The electric insulation layer is using low hard
Soft low smoke, zero halogen polyolefine material is spent to be made.
Further, the air hole circular needle array is molded over inside the outer protective polyethylene layer, the air hole
Diameter is the half of the outer protective polyethylene thickness degree, and the axis of the air hole and the axis of the outer protective polyethylene layer are flat
Row.
Further, the waterproof layer is glued to inside the outer protective polyethylene layer, and the waterproof layer is not surpassed using thickness
The waterproofing membrane for crossing 0.1mm is made.
Further, the heat insulation layer is wrapped on the outside of the outer protective polyethylene layer, and the heat insulation layer uses extruded polystyrene
Ethylene is made.
Further, the anti-ultraviolet aging layer is coated on the heat insulation layer outer surface, the thickness of the heat insulation layer
For 0.5mm.
Further, the wearing layer is coated in outside the anti-ultraviolet aging layer, and the nanometer reflective layer is coated in
On the wearing layer outer surface, the wearing layer uses the polystyrene added with ceramic powders to be made.
Further, the signal transmssion line includes signal transmission conductor, polyimide coating, signal isolation from the inside to the outside
Layer, cable shield and PVC inner restrictive coating.
Further, the PVC inner restrictive coating is made of low smoke and low halogen insulating grade PVC sheath material.
Further, the aluminium strip lapped shielding layer is made of polyethylene and aluminium wire netting, and polyethylene is in right-angled intersection
Mode is wrapped in outside the band, is tightened in the outside of polyethylene by aluminium wire netting winding.
Compared with prior art, the utility model beneficial effect achieved is:
1), the utility model is using the fire-retardant PVC inner restrictive coating of low halogen, aluminium strip lapped shielding layer, soft softness Halogen
The structure of electric insulation layer made of low cigarette polyolefine material, hardness is lower, and flexibility is preferable, it is ensured that cable body have compared with
Good suppleness meets the needs in narrow laying environment overbending, avoids cable and the risk to crack occur；And the low halogen of tool
Element is halogen-free, high fire-retardance, environmental protection and security reliability with higher；And it is preferable soft to ensure that cable body has
Toughness, it is ensured that cable is readily bent laying.
2), conductor wire core uses corona dope layer, and corona-resistance property effect is good, so as to effectively resist high frequency voltage pulse
Long-term impact, improve the service life of cable, and guarantee electric conductivity.
3), nanometer reflective layer increases the reflecting effect of cable, reduces influence of the direct sunlight to cable internal material, simultaneously
It reduces cable temperature caused by direct sunlight to increase, wearing layer increases the wear-resisting property of cable surface, and anti-ultraviolet aging layer can
To improve the ability of cable anti-ultraviolet aging, heat insulation layer can stop external heat, avoid it from entering inside cable and cause
Its temperature increases, and the inner ventilation heat dissipation effect of cable can be improved in air hole, when cable being facilitated to use inside heat it is timely
It sheds, waterproof layer, which can be entered to avoid external steam by air hole, causes line short inside cable, improve making for cable
Use effect.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the section structure of the utility model；
Fig. 2 is the schematic diagram of the section structure of conductor wire core in Fig. 1；
Fig. 3 is the schematic diagram of the section structure of signal transmssion line in Fig. 1；
Fig. 4 is the schematic diagram of the section structure of oversheath in Fig. 1.
In figure: 1, power transmission line, 11, power conductor, 12, polyimide coating, 13, anti-corona coating, 14, electric power it is exhausted
Edge layer, 2, signal transmssion line, 21, signal transmission conductor, 22, polyimide coating, 23, signal isolation layer, 24, cable shield
Layer, 25, PVC inner restrictive coating, 3, band, 4, aluminium strip lapped shielding layer, 5, oversheath, 51, outer protective polyethylene layer, 52, air hole,
53, waterproof layer, 54, heat insulation layer, 55, wearing layer, 56, nanometer reflective layer, 57, anti-ultraviolet aging layer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-Fig. 4, the utility model provides a kind of technical solution: a kind of sun-proof type power cable of tension,
From the inside to the outside include power transmission line 1, several signal transmssion lines 2 being circular layout around power transmission line 1, be wrapped in several
Band 3 outside signal transmssion line 2, aluminium strip lapped shielding layer 4 and oversheath 5 set on 3 outer surface of band.
Power transmission line 1 includes the power conductor 11 being made by twisting by several tinned copper wires, is coated on electricity from the inside to the outside
The polyimide coating 12 of 11 outer surface of power conductor, anti-corona coating 13 and electric insulation layer 14.Electric insulation layer, signal transmission
Combustion-proof glass fiber (not shown) is filled in gap between line and band.Electric insulation layer 14 uses soft softness Halogen
Low cigarette polyolefine material is made, and hardness is lower, have preferable flexibility, the material compared with conventional low smoke, zero halogen polyolefin material,
Hardness is lower, and flexibility is preferable, it is ensured that cable body has preferable suppleness, meets in narrow laying environment overbending
Needs, avoid cable and the risk to crack occur；Be halogen-free, high fire-retardance, environmental protection and with higher safe and reliable
Property；And ensure that cable body has preferable flexibility, it is ensured that cable is readily bent laying.
Signal transmssion line 2 includes signal transmission conductor 21, polyimide coating 22, signal isolation layer 23, electricity from the inside to the outside
Cable shielded layer 24 and PVC inner restrictive coating 25.Signal transmission conductor 21 is copper conductor.
Oversheath 5 includes outer protective polyethylene layer 51, and outer protective polyethylene layer 51 is internally provided with air hole 52, outer protective polyethylene
51 inside of layer is provided with waterproof layer 53, and heat insulation layer 54 is provided on the outside of outer protective polyethylene layer 51, is provided on the outside of heat insulation layer 54 anti-
Ultraviolet ray ageing layer 57 is provided with wearing layer 55 on the outside of anti-ultraviolet aging layer 57, and it is reflective to be provided with nanometer on the outside of wearing layer 55
Layer 56.Nanometer reflective layer 56 increases the reflecting effect of cable, reduces influence of the direct sunlight to cable internal material, reduces simultaneously
Cable temperature caused by direct sunlight increases, and wearing layer 55 increases the wear-resisting property of cable surface, and anti-ultraviolet aging layer 57 can
To improve the ability of cable anti-ultraviolet aging, heat insulation layer 54 can stop external heat, avoid it from entering inside cable and make
Increased at its temperature, the inner ventilation heat dissipation effect of cable can be improved in air hole 52, when cable being facilitated to use inside heat
It sheds in time, waterproof layer 53, which can be entered to avoid external steam by air hole, causes line short inside cable, improve electricity
The using effect of cable.
PVC inner restrictive coating 25 is made of low smoke and low halogen insulating grade PVC sheath material；Low smoke and low halogen insulating grade PVC
Protective cover material include polyvinyl chloride resin, plasticizer a, calcinated argil, fire retardant a, colour black, fire retardant b, heat stabilizer, plasticizer b,
Antioxidant, fire retarding synergist, polyethylene wax, lubricant, plasticizer c, metal naphthenate, capsaicine and antismoke agent.
Aluminium strip lapped shielding layer 4 is made of polyethylene and aluminium wire netting, and polyethylene is wrapped in packet in right-angled intersection mode
Outside band 3, tightened in the outside of polyethylene by aluminium wire netting winding.
It is equipped with as to further improvement of this embodiment, between aluminium strip lapped shielding layer 4 and oversheath 5 for fire-retardant anti-
The rubber layer (not shown) of water.
As to further improvement of this embodiment, the waterproof layer 53 is glued to inside the outer protective polyethylene layer 51,
Waterproofing membrane of the waterproof layer 53 using thickness no more than 0.1mm is made.
As to further improvement of this embodiment, the heat insulation layer 54 is wrapped in 51 outside of outer protective polyethylene layer,
The heat insulation layer 54 is made of extruded polystyrene.
As to further improvement of this embodiment, the anti-ultraviolet aging layer 57 is coated in 54 appearance of heat insulation layer
On face, the heat insulation layer 54 with a thickness of 0.5mm.
As to further improvement of this embodiment, the wearing layer 55 is coated in outside the anti-ultraviolet aging layer 57
Portion, the nanometer reflective layer 56 are coated on 55 outer surface of wearing layer, and the wearing layer 55 is using added with ceramic powders
Polystyrene be made.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result,
Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of sun-proof type power cable of tension, it is characterised in that: include from the inside to the outside power transmission line, around power transmission wire loop
Several signal transmssion lines of shape arrangement, band, the aluminium strip set on band outer surface being wrapped in outside several signal transmssion lines
Lapped shielding layer and oversheath, the power transmission line include power conductor, are coated on power conductor outer surface from the inside to the outside
Polyimide coating, anti-corona coating and electric insulation layer, the gap between the electric insulation layer, signal transmssion line and band
In be filled with combustion-proof glass fiber, the oversheath includes outer protective polyethylene layer, and the outer protective polyethylene layer is internally provided with
Stomata, the outer protective polyethylene layer inside are provided with waterproof layer, and heat insulation layer is provided on the outside of the outer protective polyethylene layer, described exhausted
It is provided with anti-ultraviolet aging layer on the outside of thermosphere, is provided with wearing layer on the outside of the anti-ultraviolet aging layer, outside the wearing layer
Side is provided with a nanometer reflective layer.
2. the sun-proof type power cable of a kind of tension according to claim 1, it is characterised in that: the power conductor is by several
Root tinned copper wire is made by twisting；The electric insulation layer is made of soft softness low smoke, zero halogen polyolefine material.
3. the sun-proof type power cable of a kind of tension according to claim 1, it is characterised in that: the air hole circular needle battle array
Column are molded over inside the outer protective polyethylene layer, and the diameter of the air hole is the half of the outer protective polyethylene thickness degree, institute
The axis for stating air hole is parallel with the axis of the outer protective polyethylene layer.
4. the sun-proof type power cable of a kind of tension according to claim 1, it is characterised in that: the waterproof layer is glued to institute
It states inside outer protective polyethylene layer, waterproofing membrane of the waterproof layer using thickness no more than 0.1mm is made.
5. the sun-proof type power cable of a kind of tension according to claim 1, it is characterised in that: the heat insulation layer is wrapped in institute
It states on the outside of outer protective polyethylene layer, the heat insulation layer is made of extruded polystyrene.
6. the sun-proof type power cable of a kind of tension according to claim 1, it is characterised in that: the anti-ultraviolet aging layer
Coated on the heat insulation layer outer surface, the heat insulation layer with a thickness of 0.5mm.
7. the sun-proof type power cable of a kind of tension according to claim 1, it is characterised in that: the wearing layer is coated in institute
It states outside anti-ultraviolet aging layer, the nanometer reflective layer is coated on the wearing layer outer surface, and the wearing layer, which uses, to be added
It is made added with the polystyrene of ceramic powders.
8. the sun-proof type power cable of a kind of tension according to claim 1, it is characterised in that: the signal transmssion line is by interior
To outside including signal transmission conductor, polyimide coating, signal isolation layer, cable shield and PVC inner restrictive coating.
9. the sun-proof type power cable of a kind of tension according to claim 8, it is characterised in that: the PVC inner restrictive coating by
Low smoke and low halogen insulating grade PVC sheath material is made.
10. the sun-proof type power cable of a kind of tension according to claim 1, it is characterised in that: the wrapped shielding of aluminium strip
Layer is made of polyethylene and aluminium wire netting, and polyethylene is wrapped in outside the band in right-angled intersection mode, in polyethylene
Outside is tightened by aluminium wire netting winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822235315.0U CN209374084U (en) | 2018-12-28 | 2018-12-28 | A kind of sun-proof type power cable of tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822235315.0U CN209374084U (en) | 2018-12-28 | 2018-12-28 | A kind of sun-proof type power cable of tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209374084U true CN209374084U (en) | 2019-09-10 |
Family
ID=67827901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822235315.0U Expired - Fee Related CN209374084U (en) | 2018-12-28 | 2018-12-28 | A kind of sun-proof type power cable of tension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209374084U (en) |
-
2018
- 2018-12-28 CN CN201822235315.0U patent/CN209374084U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20191228 |