CN206921570U - A kind of high intensity load isolation aerial cable - Google Patents
A kind of high intensity load isolation aerial cable Download PDFInfo
- Publication number
- CN206921570U CN206921570U CN201720521158.2U CN201720521158U CN206921570U CN 206921570 U CN206921570 U CN 206921570U CN 201720521158 U CN201720521158 U CN 201720521158U CN 206921570 U CN206921570 U CN 206921570U
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- Prior art keywords
- core
- layer
- cable
- insulating layer
- high intensity
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- 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.)
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- 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
Abstract
It the utility model is related to field of cable technology.Purpose is to provide the high intensity load isolation aerial cable that a kind of tensile property and water resistance are greatly improved.Technical scheme is used by the utility model：A kind of high intensity load isolation aerial cable, including cable core, cable core set intermediate insulating layer outside, and packed layer in setting between cable core and intermediate insulating layer, interior packed layer is closed pore polyurethane foam.Outer packed layer and external insulation layer are set gradually from the inside to the outside outside intermediate insulating layer, and outer packed layer is open pore polyurethane foam.External insulation layer outer surface is twisted in the shape of a spiral the second carbon fiber strengthening core, external insulation layer and the outer extrude sheath layer of the second carbon fiber strengthening core.The utility model is not only in light weight and tensile property is excellent, the problems such as avoiding caused deformation of expanding with heat and contract with cold, tear, has fabulous water resistance.
Description
Technical field
Field of cable technology is the utility model is related to, more particularly to a kind of high intensity load isolation aerial cable.
Background technology
With the fast development of China's economy, the transformation to power transmission engineering is quicker at present.Insulated aerial cable is one
Kind is used for the special cable for being provided with insulating sheath that high-altitude is set up, because its corrosion resistance is strong, mechanical performance is of a relatively high,
It is used widely in the transformation of power transmission engineering.But conventional insulated aerial cable still has the defects of many, such as：
Tensile property is still not ideal enough, insulating barrier easy breakage, poor waterproof properties etc. under microthermal climate.In the tower bar that span is larger
Between stringing when, the requirement of the overall tensile property of cable is steeply risen, conventional insulated aerial cable is merely centrally disposed
Steel wire or steel strand wires, although tensile property obtains certain lifting, along with the increase of its own weight, the tensile property carries
The effect risen is poor.In microthermal climate, because the cable insulation surfaces externally and internally temperature difference is larger, the pole in the presence of expanding with heat and contract with cold
Yielding and tear.In addition, the waterproof type that existing insulated aerial cable uses is to prevent water from entering inside cable merely, one
Denier sheath is damaged, and water can not obtain appropriate processing after entering from breakage in cable, and power transmission and distribution interruption is directly contributed when serious.
The content of the invention
The purpose of this utility model is to provide the high intensity that a kind of tensile property and water resistance are greatly improved
Load isolation aerial cable.
For achieving the above object, technical scheme is used by the utility model：A kind of high intensity load isolation frame
Empty cable, including cable core, the cable core is by the first carbon fiber strengthening core and three phases being centered around outside the first carbon fiber strengthening core
Core, a wire core and a zero line core are formed；Intermediate insulating layer, the cable core and intermediate insulating layer are set outside the cable core
Between set in packed layer, the interior packed layer is closed pore polyurethane foam；Outside the intermediate insulating layer from the inside to the outside successively
It is open pore polyurethane foam to set outer packed layer and external insulation layer, the outer packed layer；External insulation layer outer surface is in the shape of a spiral
It is twisted to have the second carbon fiber strengthening core, the external insulation layer and the outer extrude sheath layer of the second carbon fiber strengthening core.
Preferably, the phase core, zero line core, wire core include conductor and the interior insulation set gradually from the inside to the outside
Layer.
Preferably, the inner insulating layer, intermediate insulating layer and external insulation layer are by multilayer low-smoke halogen-free polyolefin insulating barrier
Form.
Preferably, the restrictive coating is pvc sheath layer.
Preferably, light-absorbing coating is set outside the restrictive coating.
The beneficial effects of the utility model embody a concentrated reflection of：
1st, cooperated using the first carbon fiber strengthening core and the second carbon fiber strengthening core, strengthening core made of carbon fiber is not
Only in light weight and tensile property is excellent.The second carbon fiber strengthening core being stranded in the shape of a spiral outside external insulation layer possesses spring-like
Elasticity capacity so that the overall tensile property of cable is greatly strengthened, and reduces the risk that cable is pulled off, especially suitable
Close long range stringing.
Even if the 2, restrictive coating and external insulation layer are damaged, can also be steeped into the steam inside cable by open pore polyurethane
The outer packed layer that foam is formed absorbs, and is locked in outer packed layer, avoids steam from continuing to invade to cable inside, prevents with fabulous
Water-based energy.
3rd, preferably external insulation layer, intermediate insulating layer and inner insulating layer are set using multilayer, because each layer of thickness is relative
Relatively thin, its surfaces externally and internally temperature difference is small, the problems such as avoiding caused deformation of expanding with heat and contract with cold, tear, obtains the service life of cable
To great lifting.
4th, the light-absorbing coating outside restrictive coating is preferably provided at after extinction, enables to the temperature liter of cable outer surface
Height, and then the temperature difference inside and outside cable is reduced, further increase the resistance to frost of cable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the A-A direction views of structure shown in Fig. 1；
Fig. 3 is B portions enlarged drawing in Fig. 2.
Embodiment
A kind of high intensity load isolation aerial cable with reference to shown in Fig. 1-3, including cable core, the cable core are fine by the first carbon
Tie up strengthening core 1 and three phase cores, the 2, wire cores 3 being centered around outside the first carbon fiber strengthening core 1 and a structure of zero line core 4
Into as electric distribution, certainly, being also changed to the setting on fiery one zero one ground.Phase core 2 described in the utility model, zero line core
4th, wire core 3 includes the conductor 11 and inner insulating layer 12 set gradually from the inside to the outside, and conductor 11 is that copper conductor or aluminium alloy are led
Body, inner insulating layer 12 are usually low-smoke halogen-free polyolefin insulating barrier, also different modifications can be selected to gather according to the actual requirements certainly
Olefin material, inner insulating layer 12 is set to possess the performances such as fire-retardant, fire prevention.
Intermediate insulating layer 5 is set outside the cable core, and intermediate insulating layer 5 is identical with the material of inner insulating layer 12, the cable core
Packed layer 6 in being set between intermediate insulating layer 5, the interior packed layer 6 is closed pore polyurethane foam, obturator-type polyurethane foam
Foam i.e. the separate polyurethane foam of inner void, have sound insulation, waterproof and other effects.The intermediate insulating layer 5 it is outer by
It is interior to setting gradually outer packed layer 7 and external insulation layer 8 outside, the outer packed layer 7 is open pore polyurethane foam, the poly- ammonia of open cell type
The polyurethane foam that ester foam i.e. inner void are interconnected, it has water imbibition and water-retaining property.What external insulation layer 8 used
Material is also identical with intermediate insulating layer 5 and inner insulating layer 12.With reference to shown in Fig. 1 and 2, the outer surface of external insulation layer 8 twists in the shape of a spiral
Conjunction has the second carbon fiber strengthening core 9,8 and second carbon fiber strengthening core of external insulation layer, the 9 outer extrude sheath layer 10, is processing
When, a second carbon fiber strengthening core 9 is wound in the shape of a spiral outside external insulation layer 8 first, then after by way of extruding
Extrude sheath layer 10, restrictive coating 10 are usually pvc sheath layer, naturally it is also possible to are to have fire-retardant, fire prevention, low cigarette, Halogen
Etc. the modified polyvinyl chloride sheath of characteristic.
The utility model using the first carbon fiber strengthening core 1 and the second carbon fiber strengthening core 9 due to being cooperated, carbon fiber
Manufactured strengthening core is not only in light weight and tensile property is excellent.The second carbon fiber being stranded in the shape of a spiral outside external insulation layer 8 adds
Strong core 9 possesses the elasticity capacity of spring-like so that the overall tensile property of cable is greatly strengthened, and reduces cable quilt
The risk broken, it is especially suitable for long range stringing.In terms of water resistance, even if the utility model restrictive coating 10 and external insulation layer
8 is damaged, can also be absorbed into the steam inside cable by the outer packed layer 7 being made up of open pore polyurethane foam, and be locked in
In outer packed layer 7, avoid steam from continuing to invade to cable inside, there is fabulous water resistance.In order to further improve this reality
With new performance, more preferable way is, the inner insulating layer 12, intermediate insulating layer 5 and external insulation layer 8 by the low cigarette of multilayer without
Halogen polyolefin insulation layer is formed.External insulation layer 8, intermediate insulating layer 5 and inner insulating layer 12 are set using multilayer, due to each layer
Thickness is relatively thin, and its surfaces externally and internally temperature difference is small, effective to ensure the problems such as avoiding caused deformation of expanding with heat and contract with cold, tear
The insulating properties of cable, make the service life of cable be greatly improved.Light can also be set outside the restrictive coating 10
Absorber coatings, the light-absorbing coating can be by commercially available blacking coated in cable surface form or other
Material with phase same-action.Light-absorbing coating outside restrictive coating 10 enables to the temperature of cable outer surface after extinction
Rise, and then the temperature difference inside and outside cable is reduced, further increase the resistance to frost of cable.
Claims (5)
1. a kind of high intensity load isolation aerial cable, including cable core, it is characterised in that：The cable core is strengthened by the first carbon fiber
Core（1）And it is centered around the first carbon fiber strengthening core（1）Three outer phase cores（2）, a wire core（3）With a zero line core
（4）Form；Intermediate insulating layer is set outside the cable core（5）, the cable core and intermediate insulating layer（5）Between set in packed layer
（6）, the interior packed layer（6）For closed pore polyurethane foam；The intermediate insulating layer（5）It is outer to set gradually outer fill out from the inside to the outside
Fill layer（7）And external insulation layer（8）, the outer packed layer（7）For open pore polyurethane foam；External insulation layer（8）Outer surface is in spiral shell
Rotation shape is twisted the second carbon fiber strengthening core（9）, the external insulation layer（8）With the second carbon fiber strengthening core（9）Outer extrude sheath
Layer（10）.
2. high intensity load isolation aerial cable according to claim 1, it is characterised in that：The phase core（2）, zero line
Core（4）, wire core（3）Include the conductor set gradually from the inside to the outside（11）And inner insulating layer（12）.
3. high intensity load isolation aerial cable according to claim 2, it is characterised in that：The inner insulating layer（12）、
Intermediate insulating layer（5）And external insulation layer（8）Formed by multilayer low-smoke halogen-free polyolefin insulating barrier.
4. high intensity load isolation aerial cable according to claim 3, it is characterised in that：The restrictive coating（10）It is poly-
Vinyl chloride restrictive coating.
5. high intensity load isolation aerial cable according to claim 4, it is characterised in that：The restrictive coating（10）Peripheral hardware
Put light-absorbing coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720521158.2U CN206921570U (en) | 2017-05-11 | 2017-05-11 | A kind of high intensity load isolation aerial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720521158.2U CN206921570U (en) | 2017-05-11 | 2017-05-11 | A kind of high intensity load isolation aerial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206921570U true CN206921570U (en) | 2018-01-23 |
Family
ID=61308489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720521158.2U Expired - Fee Related CN206921570U (en) | 2017-05-11 | 2017-05-11 | A kind of high intensity load isolation aerial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206921570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415696A (en) * | 2020-12-29 | 2021-02-26 | 东莞市特旺通信科技有限公司 | Water-blocking high-temperature-resistant irradiation-resistant multi-core optical cable and preparation method thereof |
-
2017
- 2017-05-11 CN CN201720521158.2U patent/CN206921570U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415696A (en) * | 2020-12-29 | 2021-02-26 | 东莞市特旺通信科技有限公司 | Water-blocking high-temperature-resistant irradiation-resistant multi-core optical cable and preparation method thereof |
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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: 20180123 Termination date: 20210511 |