CN109119190A - A kind of cracking resistance lv power cable - Google Patents
A kind of cracking resistance lv power cable Download PDFInfo
- Publication number
- CN109119190A CN109119190A CN201810958375.7A CN201810958375A CN109119190A CN 109119190 A CN109119190 A CN 109119190A CN 201810958375 A CN201810958375 A CN 201810958375A CN 109119190 A CN109119190 A CN 109119190A
- Authority
- CN
- China
- Prior art keywords
- coated
- layer
- cable core
- cracking resistance
- power cable
- Prior art date
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
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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
Landscapes
- Insulating Bodies (AREA)
Abstract
The invention discloses a kind of cracking resistance lv power cables, including heat-shrinkable T bush, external insulation layer, external shielding layer, cable core ontology and supporting mechanism, the supporting mechanism includes elastic support and support column, uniformly there are four support columns for installation on the outer surface of the elastic support, mounting groove is constituted between two support columns, cable core ontology is installed inside the mounting groove, armor is coated on the outside of the supporting mechanism, the outside of the armor is around with external shielding layer, the outer surface of the external shielding layer is coated by external insulation layer, heat-shrinkable T bush is coated on the outside of the external insulation layer.The present invention solves the problems, such as that the prior art is carrying out in use, insulating layer causes insulating layer to crack vulnerable to oxidation and the corrosion of ultraviolet light by setting oversheath, heat-shrinkable T bush and inoxidzable coating.
Description
Technical field
The present invention relates to technical field of electric power, specially a kind of cracking resistance lv power cable.
Background technique
Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station
Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line.
Deficiency possessed by the prior art:
(1) in use, due to UV energy height in light, daylight is strongly regional, and outside cable is made because of photooxidation resistance
At the cracking of macromolecular chain；
(2) prior art resistance to compression and ability of anti-deformation are poor, and leading to it, whole easily in use deformation occurs leads to cable
Whole service life shortens；
(3) in use, cable core ontology is easily dislocated and deviates to be caused insulated hull impaired and then influences the prior art
Its whole use.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of cracking resistance lv power cable, the prior art is solved
It is carrying out in use, the problem of insulating layer causes insulating layer to crack vulnerable to oxidation and the corrosion of ultraviolet light.
To achieve the above object, the invention provides the following technical scheme: a kind of cracking resistance lv power cable, including pyrocondensation
Casing, external insulation layer, external shielding layer, cable core ontology and supporting mechanism, the supporting mechanism include elastic support and support column, institute
Support column there are four uniformly installing on the outer surface of elastic support is stated, constitutes mounting groove between two support columns, it is described
Cable core ontology is installed inside mounting groove, armor is coated on the outside of the supporting mechanism, the outside of the armor is around attached
There is external shielding layer, the outer surface of the external shielding layer is coated by external insulation layer, is coated with thermal shrinkable sleeve on the outside of the external insulation layer
Pipe.
Preferably, there are four the cable core ontology settings, the structure of four cable core ontologies is identical, the cable core
Ontology includes conductor, inner insulating layer, internal shield and wrapping layer.
Preferably, the outermost of cable core ontology is arranged in the inner insulating layer, and the inside of the inner insulating layer is coated with interior
Shielded layer is provided with several conductors on the middle position inside the internal shield, several described conductors are by wrapping layer packet
It covers, the outer surface of the wrapping layer is coated by internal shield.
Preferably, interior strengthening core is installed on the middle position inside the elastic support.
Preferably, insulation filler is filled between the armor and elastic support, the insulation filler is by cable core
The outer surface of ontology coats.
Preferably, it is coated with oversheath on the outside of the heat-shrinkable T bush, is coated with oxygen on the outer surface of the oversheath
Change coating.
Preferably, there are four the mounting groove settings, the setting shape of four mounting grooves and four cable core sheets
The shape of body is corresponding.
The present invention provides a kind of cracking resistance lv power cable, have it is following the utility model has the advantages that
(1) present invention is by setting supporting mechanism, being used cooperatively between elastic support and support column, increases device entirety
Support effect, solve prior art resistance to compression and ability of anti-deformation be poor, its is caused whole in use shape easily to occur
The problem of change causes cable whole service life to shorten.
(2) cable core ontology is mounted on mounting groove in use by setting mounting groove and elastic support by the present invention
Inside increases limit and support to cable core ontology, solves the prior art in use, mistake easily occurs for cable core ontology
The problem of position and offset cause insulated hull impaired and then influence the use of its entirety.
(3) present invention is by setting oversheath, heat-shrinkable T bush and inoxidzable coating, oversheath, heat-shrinkable T bush and anti-
Being used cooperatively between oxide covering solves the prior art and is carrying out in use, insulating layer is vulnerable to oxidation and ultraviolet light
Corrosion the problem of causing insulating layer to crack.
Detailed description of the invention
Fig. 1 is sectional side view of the present invention；
Fig. 2 is cable core body interior structural schematic diagram in Fig. 1 of the present invention；
Fig. 3 is supporting mechanism structural schematic diagram in Fig. 1 of the present invention.
In figure: 1, oversheath；2, heat-shrinkable T bush；3, external insulation layer；4, external shielding layer；5, armor；6, insulation filler；
7, cable core ontology；8, supporting mechanism；9, inoxidzable coating；10, inner insulating layer；11, internal shield；12, wrapping layer；13, conductor；
14, mounting groove；15, support column；16, interior strengthening core；17, elastic support.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1-3, the present invention provides a kind of technical solution: a kind of cracking resistance lv power cable, including thermal shrinkable sleeve
Pipe 2, external insulation layer 3, external shielding layer 4, cable core ontology 7 and supporting mechanism 8, supporting mechanism 8 include elastic support 17 and support column
15, uniformly installation is installed on the middle position inside elastic support 17 there are four support column 15 on the outer surface of elastic support 17
There is interior strengthening core 16, being used cooperatively between elastic support 17 and support column 15 increases the support effect of device entirety, solution
The prior art of having determined resistance to compression and ability of anti-deformation are poor, and leading to it, whole easily in use deformation occurs causes cable whole
The problem of reduced service life, constitutes mounting groove 14 between two support columns 15, and there are four the settings of mounting groove 14, four installations
The setting shape of slot 14 is corresponding with the shape of four cable core ontologies 7, and cable core ontology 7 is equipped with inside mounting groove 14, is using
In the process, cable core ontology 7 is mounted on inside mounting groove 14, increases the limit and support to cable core ontology 7, solved existing
In use, cable core ontology 7 is easily dislocated and deviates to be caused insulated hull impaired and then influences making for its entirety technology
With the problem of, cable core ontology 7 setting there are four, the structure of four cable core ontologies 7 is identical, cable core ontology 7 include conductor 13,
The outermost of cable core ontology 7, inner insulating layer 10 is arranged in inner insulating layer 10, internal shield 11 and wrapping layer 12, inner insulating layer 10
Inside be coated with internal shield 11, several conductors 13 are provided on the middle position inside internal shield 11, several are led
Body 13 is coated by wrapping layer 12, and the outer surface of wrapping layer 12 is coated by internal shield 11, and the outside of supporting mechanism 8 is coated with armouring
Layer 5, is filled with insulation filler 6 between armor 5 and elastic support 17, insulation filler 6 is by the appearance bread of cable core ontology 7
It covers, the outside of armor 5 is coated around the outer surface with external shielding layer 4, external shielding layer 4 by external insulation layer 3, external insulation layer 3
Outside is coated with heat-shrinkable T bush 2, and the outside of heat-shrinkable T bush 2 is coated with oversheath 1, is coated with oxygen on the outer surface of oversheath 1
Change coating 9, oversheath 1, heat-shrinkable T bush 2 and inoxidzable coating 9.
In use, being used cooperatively between elastic support 17 and support column 15, increases the support effect of device entirety,
It solves prior art resistance to compression and ability of anti-deformation is poor, leading to it, whole easily in use deformation occurs causes cable whole
Cable core ontology 7 is mounted on inside mounting groove 14, increases to cable core in use by the problem of body reduced service life
The limit and support of ontology 7 solve the prior art in use, and cable core ontology 7, which is easily dislocated and deviates, to be caused
The problem of insulated hull is damaged and then influences the use of its entirety, being used cooperatively between external shielding layer 4 and internal shield 11 increase
The shield effectiveness of the device, being used cooperatively between external insulation layer 3, inner insulating layer 10 and insulation filler 6 increase this
The insulation effect of cable, in use, being used cooperatively between oversheath 1, heat-shrinkable T bush 2 and inoxidzable coating 9, solution
The prior art of having determined is carrying out in use, insulating layer causes insulating layer to occur cracking vulnerable to oxidation and the corrosion of ultraviolet light
Problem.
It can to sum up obtain, the present invention solves the prior art by setting oversheath 1, heat-shrinkable T bush 2 and inoxidzable coating 9
It is carrying out in use, the problem of insulating layer causes insulating layer to crack vulnerable to oxidation and the corrosion of ultraviolet light.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of cracking resistance lv power cable, including heat-shrinkable T bush (2), external insulation layer (3), external shielding layer (4), cable core ontology
(7) and supporting mechanism (8), it is characterised in that: the supporting mechanism (8) includes elastic support (17) and support column (15), described
There are four uniformly installing on the outer surface of elastic support (17) support column (15), peace is constituted between two support columns (15)
Tankage (14), the mounting groove (14) is internal to be equipped with cable core ontology (7), is coated with armouring on the outside of the supporting mechanism (8)
Layer (5), the outside of the armor (5) is around having external shielding layer (4), and the outer surface of the external shielding layer (4) is by external insulation layer
(3) it coats, is coated with heat-shrinkable T bush (2) on the outside of the external insulation layer (3).
2. a kind of cracking resistance lv power cable according to claim 1, it is characterised in that: the cable core ontology (7) sets
There are four setting, the structure of four cable core ontologies (7) is identical, and the cable core ontology (7) includes conductor (13), interior insulation
Layer (10), internal shield (11) and wrapping layer (12).
3. a kind of cracking resistance lv power cable according to claim 2, it is characterised in that: the inner insulating layer (10) sets
The outermost in cable core ontology (7) is set, the inside of the inner insulating layer (10) is coated with internal shield (11), the internal shield
(11) several conductors (13) being provided on internal middle position, several described conductors (13) are coated by wrapping layer (12),
The outer surface of the wrapping layer (12) is coated by internal shield (11).
4. a kind of cracking resistance lv power cable according to claim 1, it is characterised in that: in the elastic support (17)
Interior strengthening core (16) are installed on the middle position in portion.
5. a kind of cracking resistance lv power cable according to claim 1, it is characterised in that: the armor (5) and bullet
Property bracket (17) between be filled with insulation filler (6), the insulation filler (6) coats the outer surface of cable core ontology (7).
6. a kind of cracking resistance lv power cable according to claim 1, it is characterised in that: the heat-shrinkable T bush (2)
Outside is coated with oversheath (1), is coated with inoxidzable coating (9) on the outer surface of the oversheath (1).
7. a kind of cracking resistance lv power cable according to claim 1, it is characterised in that: mounting groove (14) setting
There are four, the setting shape of four mounting grooves (14) is corresponding with the shape of four cable core ontologies (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810958375.7A CN109119190A (en) | 2018-08-22 | 2018-08-22 | A kind of cracking resistance lv power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810958375.7A CN109119190A (en) | 2018-08-22 | 2018-08-22 | A kind of cracking resistance lv power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109119190A true CN109119190A (en) | 2019-01-01 |
Family
ID=64853561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810958375.7A Pending CN109119190A (en) | 2018-08-22 | 2018-08-22 | A kind of cracking resistance lv power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109119190A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140014394A1 (en) * | 1996-04-09 | 2014-01-16 | Belden Inc. | High performance data cable |
| CN204667974U (en) * | 2015-06-06 | 2015-09-23 | 江西广通电缆有限公司 | A kind of skeletal support formula multi-core controlled cable |
| CN204966081U (en) * | 2015-10-09 | 2016-01-13 | 北京市重型电缆厂 | Adopt silane crosslinked polyethylene insulating material's high insulated cable |
| CN206595075U (en) * | 2016-12-09 | 2017-10-27 | 昆明昆宝电线电缆制造有限公司 | It is a kind of to control cable from the transmission of bearing-type signal |
-
2018
- 2018-08-22 CN CN201810958375.7A patent/CN109119190A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140014394A1 (en) * | 1996-04-09 | 2014-01-16 | Belden Inc. | High performance data cable |
| CN204667974U (en) * | 2015-06-06 | 2015-09-23 | 江西广通电缆有限公司 | A kind of skeletal support formula multi-core controlled cable |
| CN204966081U (en) * | 2015-10-09 | 2016-01-13 | 北京市重型电缆厂 | Adopt silane crosslinked polyethylene insulating material's high insulated cable |
| CN206595075U (en) * | 2016-12-09 | 2017-10-27 | 昆明昆宝电线电缆制造有限公司 | It is a kind of to control cable from the transmission of bearing-type signal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 238339 Anhui city of Wuhu province Wuwei County high tech Industrial Park High Road No. 18 Applicant after: Anhui Shangwei Cable Co., Ltd. Address before: 238300 No. 18 Gaoxin Avenue, Gaogou Industrial Park, Wuwei County, Wuhu City, Anhui Province Applicant before: Anhui Star Cable Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190101 |
|
| RJ01 | Rejection of invention patent application after publication |