CN208489038U - A kind of cross-linked polrvinyl chloride insulation PVC sheath power cable - Google Patents
A kind of cross-linked polrvinyl chloride insulation PVC sheath power cable Download PDFInfo
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- CN208489038U CN208489038U CN201821050541.5U CN201821050541U CN208489038U CN 208489038 U CN208489038 U CN 208489038U CN 201821050541 U CN201821050541 U CN 201821050541U CN 208489038 U CN208489038 U CN 208489038U
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- layer
- cross
- polrvinyl chloride
- cable core
- chloride insulation
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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
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Abstract
The utility model discloses a kind of cross-linked polrvinyl chloride insulation PVC sheath power cables, including device noumenon and cable core, one side surface of described device ontology is provided with resistance, and resistance side is provided with external sheath layer, the external sheath layer side is located at device noumenon and is internally provided with buffer layer, and buffer layer interior side is provided with rubber layer, the rubber layer side is fixed with spring, and the buffer layer side is provided with metal compression tube.In the utility model, double-layer rubber layer is equipped in the device buffer layer, spring and dashpot, when device noumenon is by external force, spring reciprocal telescopic in dashpot are equipped among two rubber layers, the metal compression tube that buffer layer side is equipped with, have the function of isolation buffering stressor layer, and has both the effect of sealed damp-proof, the pressure that effective buffer unit ontology is subject to, the case where preventing cable core stress from damaging, improves anti-pressure ability and device stability.
Description
Technical field
The utility model relates to power transmission technology fields more particularly to a kind of cross-linked polrvinyl chloride insulation PVC to protect
Cover power cable.
Background technique
Power cable with cross-linked polyethylene insulation has brilliant heat-mechanical performance, and excellent electric property and chemically-resistant are rotten
The advantages that corrosion energy also has structure simple, light-weight, and laying is not limited by drop, is to be now widely used for urban distribution network,
Insulation-crosslinked polyethylene of the novel cable in mine and factory, cable is to make linear molecule using chemical method and physical method
The polyethylene of structure is converted into the crosslinked polyethylene of space network, so that the thermomechanical of polyethylene be greatly improved
Property, to maintain excellent electric property, power cable with cross-linked polyethylene insulation conductor highest operating temperature ratings are 90 DEG C,
Than polyvinyl chloride insulation, polyethylene insulated cable is high, so the current-carrying capacity of cable also further increases.
Power cable is in erection construction, due to needing to move at any time, when by external force, usually cable can be made to cause centainly
Damage, What is more is easy to make internal cable core fracture, adds somewhat to the cost of cable laying, voltage output
It when excessive, is easy so that cable short circuit or fire occurs, the safety of cable cannot ensure, when maintenance checks expense on a large scale
When it is laborious the disadvantages of, need it is to be modified.
Utility model content
The purpose of this utility model is to provide a kind of cross-linked polrvinyl chloride insulation PVC sheath power cables, with solution
Certainly the problems mentioned above in the background art.
To achieve the goals above, the utility model adopts the technical scheme that a kind of cross-linked polrvinyl chloride insulation is poly-
Vinyl chloride sheath power cable, including device noumenon and cable core, one side surface of described device ontology are provided with resistance, and resistance
Side is provided with external sheath layer, and the external sheath layer side is located at device noumenon and is internally provided with buffer layer, and inside buffer layer
Side is provided with rubber layer, and the rubber layer side is fixed with spring, and the buffer layer side is provided with metal compression tube, and gold
Belong to compression tube side and be provided with mica tape, the mica tape side is provided with inner restrictive coating, and inner restrictive coating side is located at device
It is equipped with optical fiber in the middle part of ontology, crosslinked polyetylene insulated layer, and packet inside crosslinked polyetylene insulated layer are surrounded with around the optical fiber
It is wrapped with cable core, is filled with flame retardant inorganic mineral rope outside the crosslinked polyetylene insulated layer.
Preferably, flame retardant inorganic mineral rope is located at below the optical fiber and is internally provided with test lead, and test lead is total
Equipped with two, the test lead is in parallel with non-essential resistance.
Preferably, the cable core is equipped with multiple groups, and multiple groups cable core is surround as the center of circle using optical fiber and is distributed in flame retardant inorganic
In mineral rope.
Preferably, the metal compression tube is winding package or longitudinally wrapped hard compression tube.
Preferably, the buffer layer is equipped with two layers of rubber layer, and multiple springs are fixed with inside two layers of rubber layer, described more
A spring and multiple dashpots correspond.
Preferably, the cable core is multiple wire strandings, the fan-shaped structure of cable core.
Preferably, limited post is cased in the middle part of the spring, and limited post width is less than buffering groove width.
Compared with prior art, the utility model has the beneficial effects that firstly, being equipped with double-layer rubber in the device buffer layer
Layer, two rubber layers centres are equipped with spring and dashpot, and when device noumenon is by external force, spring is back and forth stretched in dashpot
It contracting, the metal compression tube that buffer layer side is equipped with has the function of isolation buffering stressor layer, and has both the effect of sealed damp-proof,
The pressure that effective buffer unit ontology is subject to, the case where preventing cable core stress from damage, raising anti-pressure ability and device
Stability, secondly, the device passes through the mica tape and flame retardant inorganic mineral rope being equipped with, mica tape has excellent high temperature resistance
With flame resistance energy, fire-retardant when convenient for outside or inside generation fire, flame retardant inorganic mineral rope is filled on the outside of cable core, can
Prevent inside cable core overheat from fire, the case where caused entire cable is scrapped occurs, the optical fiber being equipped with changes traditional cable list
The characteristic of one power supply, provides the function of signal source, improves the practicability of device, finally, passing through the test lead and device that are equipped with
Multiple resistor coupled in parallel of body exterior can be convenient for improving maintenance investigation efficiency when cable breaks down, and external sheath layer and metal are anti-
Pressure pipe effectively completely cuts off damage of the animals and plants to cable, prevents mouse ant etc. from biting, and improves the service life of device.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of cross-linked polrvinyl chloride insulation PVC sheath power cable internal junction
Structure schematic diagram；
Fig. 2 is that a kind of buffer layer structure of cross-linked polrvinyl chloride insulation PVC sheath power cable of the utility model shows
It is intended to；
Fig. 3 is that a kind of external structure of cross-linked polrvinyl chloride insulation PVC sheath power cable of the utility model is illustrated
Figure.
In figure: 1, device noumenon；2 external sheath layers；3, buffer layer；4, cable core；5, flame retardant inorganic mineral rope；6, metal is anti-
Pressure pipe；7, mica tape；8, inner restrictive coating；9, crosslinked polyetylene insulated layer；10, optical fiber；11, test lead；12, rubber layer；13,
Spring；14, dashpot；15, resistance.
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.
Fig. 1-3 is please referred to, a kind of technical solution provided by the utility model: a kind of cross-linked polrvinyl chloride insulation PVC
Sheath power cable, including device noumenon 1 and cable core 4,1 one side surface of device noumenon are provided with resistance 15, and resistance 15 1
Side is provided with external sheath layer 2, and 2 side of external sheath layer is located at device noumenon 1 and is internally provided with buffer layer 3, and 3 inside one of buffer layer
Side is provided with rubber layer 12, and 12 side of rubber layer is fixed with spring 13, and 3 side of buffer layer is provided with metal compression tube 6, and metal
6 side of compression tube is provided with mica tape 7, and 7 side of mica tape is provided with inner restrictive coating 8, and 8 side of inner restrictive coating is located at device sheet
It is equipped with optical fiber 10 in the middle part of body 1, is surrounded with crosslinked polyetylene insulated layer 9 around optical fiber 10, and wrap inside crosslinked polyetylene insulated layer 9
It is wrapped with cable core 4, is filled with flame retardant inorganic mineral rope 5 outside crosslinked polyetylene insulated layer 9；
It is located at flame retardant inorganic mineral rope 5 below optical fiber 10 and is internally provided with test lead 11, and test lead 11 is equipped with altogether
Two, test lead 11 is in parallel with non-essential resistance 15, when easy access, the reduction investigation time, improves overhaul efficiency, cable core 4
Equipped with multiple groups, and multiple groups cable core 4 is the center of circle around being distributed in flame retardant inorganic mineral rope 5 with optical fiber 10, is greatly utilized
Inner space, occurs fire fire-retardant effect when flame retardant inorganic mineral rope 5 can prevent cable core 4 from overheating, metal compression tube 6 is to twine
Around package or longitudinally wrapped hard compression tube, convenient for enhancing the resistance to compression of the device noumenon 1, moisture-proof, sealing performance, buffer layer 3
Equipped with two layers of rubber layer 12, and multiple springs 13 are fixed with inside two layers of rubber layer 12, multiple springs 13 and multiple dashpots 14
It corresponds, convenient for the external force that comprehensive buffer unit ontology 1 receives, improves device compressive property, cable core 4 is multiple conducting wires
Twisted, the fan-shaped structure of cable core 4 is convenient for cable power supply, and the fan-shaped structure of multiple groups cable core 4 is convenient for heat transfer, in spring 13
Portion is cased with limited post, and limited post width is less than 14 width of dashpot, flexible convenient for spring 13, when preventing 13 stress of spring excessive
Damage, external sheath layer 2 is low smoke and zero halogen pe sheath, and when preventing fire, polythene material burning generates pernicious gas,
The secondary pollution accident of formation, flame retardant inorganic mineral rope 5, which has, to be improved anti-flammability and reduces the smog for burning and generating.
Working principle: in use, being equipped with the double-deck rubber when the present apparatus is by external force pressure or shock, in the device buffer layer 3
Glue-line 12 is equipped with spring 13 and dashpot 14, spring 13 reciprocal telescopic, rubber layer in dashpot 14 among two rubber layers 12
The metal compression tube 6 that 12 sides are equipped with has the function of completely cutting off 3 pressure of buffer layer, and has both the effect of sealed damp-proof, effectively
The pressure that buffer unit ontology 1 is subject to, the case where preventing 4 stress of cable core from damaging, improve anti-pressure ability and device are stablized
Property, when device over-heat inside or external generation fire, which passes through the mica tape 7 and flame retardant inorganic mineral rope 5 being equipped with, cloud
Master tape 7 has excellent high temperature resistance and flame resistance energy, convenient for fire-retardant, flame retardant inorganic mine when outside or inside generation fire
Object rope 5 is filled in 4 outside of cable core, can prevent the overheat of inside cable core 4 from fire, the feelings that caused entire cable is scrapped occur
Condition, the optical fiber 10 being equipped with change the characteristic of the single power supply of traditional cable, provide the function of signal source, improve the practicability of device,
It is in parallel by multiple resistance 15 outside the test lead 11 and device noumenon 1 that are equipped with when trouble shooting, it can be convenient for improving maintenance
Efficiency, external sheath layer 2 and effectively damage of the isolation animals and plants to cable of metal compression tube 6 are checked, prevents mouse ant etc. from biting, mentions
The service life of high device.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of cross-linked polrvinyl chloride insulation PVC sheath power cable, including device noumenon (1) and cable core (4),
Be characterized in that: (1) one side surface of described device ontology is provided with resistance (15), and resistance (15) side is provided with external sheath layer
(2), external sheath layer (2) side is located at device noumenon (1) and is internally provided with buffer layer (3), and buffer layer (3) interior side
It is provided with rubber layer (12), rubber layer (12) side is fixed with spring (13), and buffer layer (3) side is provided with metal
Compression tube (6), and metal compression tube (6) side is provided with mica tape (7), mica tape (7) side is provided with inner restrictive coating
(8), and inner restrictive coating (8) side is located in the middle part of device noumenon (1) equipped with optical fiber (10), and optical fiber (10) surrounding is surrounded with friendship
Join polyethylene layer (9), and is enclosed with cable core (4) inside crosslinked polyetylene insulated layer (9), it is described crosslinked polyetylene insulated
Flame retardant inorganic mineral rope (5) is filled with outside layer (9).
2. a kind of cross-linked polrvinyl chloride insulation PVC sheath power cable according to claim 1, it is characterised in that:
It is located at flame retardant inorganic mineral rope (5) below the optical fiber (10) to be internally provided with test lead (11), and test lead (11) is altogether
Equipped with two, the test lead (11) is in parallel with non-essential resistance (15).
3. a kind of cross-linked polrvinyl chloride insulation PVC sheath power cable according to claim 1, it is characterised in that:
The cable core (4) is equipped with multiple groups, and multiple groups cable core (4) is surround for the center of circle with optical fiber (10) and is distributed in flame retardant inorganic mineral rope
(5) in.
4. a kind of cross-linked polrvinyl chloride insulation PVC sheath power cable according to claim 1, it is characterised in that:
The metal compression tube (6) is winding package or longitudinally wrapped hard compression tube.
5. a kind of cross-linked polrvinyl chloride insulation PVC sheath power cable according to claim 1, it is characterised in that:
The buffer layer (3) is equipped with two layers of rubber layer (12), and is fixed with multiple springs (13) inside two layers of rubber layer (12), described more
A spring (13) and multiple dashpots (14) correspond.
6. a kind of cross-linked polrvinyl chloride insulation PVC sheath power cable according to claim 1, it is characterised in that:
The cable core (4) is multiple wire strandings, the fan-shaped structure of the cable core (4).
7. a kind of cross-linked polrvinyl chloride insulation PVC sheath power cable according to claim 1, it is characterised in that:
Limited post is cased in the middle part of the spring (13), and limited post width is less than dashpot (14) width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821050541.5U CN208489038U (en) | 2018-07-04 | 2018-07-04 | A kind of cross-linked polrvinyl chloride insulation PVC sheath power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821050541.5U CN208489038U (en) | 2018-07-04 | 2018-07-04 | A kind of cross-linked polrvinyl chloride insulation PVC sheath power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208489038U true CN208489038U (en) | 2019-02-12 |
Family
ID=65249683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821050541.5U Expired - Fee Related CN208489038U (en) | 2018-07-04 | 2018-07-04 | A kind of cross-linked polrvinyl chloride insulation PVC sheath power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208489038U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010281A (en) * | 2019-05-06 | 2019-07-12 | 安庆横电电缆有限公司 | A kind of fire retardant anticorrosion cable and its production technology |
| CN110232996A (en) * | 2019-07-11 | 2019-09-13 | 蒋莲莲 | Composite double layer cable |
-
2018
- 2018-07-04 CN CN201821050541.5U patent/CN208489038U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010281A (en) * | 2019-05-06 | 2019-07-12 | 安庆横电电缆有限公司 | A kind of fire retardant anticorrosion cable and its production technology |
| CN110010281B (en) * | 2019-05-06 | 2024-03-19 | 安庆横电电缆有限公司 | Fireproof and anti-corrosion cable and production process thereof |
| CN110232996A (en) * | 2019-07-11 | 2019-09-13 | 蒋莲莲 | Composite double layer cable |
| CN110232996B (en) * | 2019-07-11 | 2020-08-21 | 江西美园电缆集团有限公司 | Composite double-layer cable |
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| 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: 20190212 Termination date: 20200704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |