CN209657888U - A kind of 110 kilovolts of power cable with cross-linked polyethylene insulations - Google Patents
A kind of 110 kilovolts of power cable with cross-linked polyethylene insulations Download PDFInfo
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- CN209657888U CN209657888U CN201920215883.6U CN201920215883U CN209657888U CN 209657888 U CN209657888 U CN 209657888U CN 201920215883 U CN201920215883 U CN 201920215883U CN 209657888 U CN209657888 U CN 209657888U
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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 110 kilovolts of power cable with cross-linked polyethylene insulations, including inner conductor shielded layer, the inside of the inner conductor shielded layer includes filling supporting element and three mineral insulation sets, and the inside of three mineral insulations set is banded with conductor, filled with fire prevention filled layer between the filling supporting element and three mineral insulation sets, the outer wall of the inner conductor shielded layer is socketed with fireproof mica layer, and fireproof mica layer is coated with crosslinked polyetylene insulated layer far from the side of inner conductor shielded layer, the crosslinked polyetylene insulated layer is coated with outer semiconductor shielded layer far from the side of fireproof mica layer, and outer semiconductor shielded layer is coated with steel woven shield far from the side of crosslinked polyetylene insulated layer.The utility model improves the use intensity of cable body, and cable body is made to have good insulation effect, facilitates the cleaning of outer jointing jacket, suitable temperature environment is provided for conductor.
Description
Technical field
The utility model relates to insulated power cable technical field, more particularly to 110 kilovolts of one kind are crosslinked polyetylene insulated
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.Power cable is in the basic routing line of electric system
To transmit and distribute the cable product of high-power power, including 1-500 kilovolts and the above various voltage class, various insulation
Power cable；By voltage class can be divided into, lv power cable (35 kilovolts and less), high-tension cable (110 kilovolts with
On), extra-high-tension cable (275~800 kilovolts) and extra-high-tension cable (1000 kilovolts or more).
Existing 110 kilovolts of power cable with cross-linked polyethylene insulations when in use, if laying when environment temperature be lower than 0
DEG C, then it must heat in advance, current heating method has needing to consume a large amount of thermal energy, waste of energy, and when preheating
In the presence of the non-uniform situation of heating.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and 110 kilovolts of one kind friendships proposed
Join polyethylene-insulated power cable.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of 110 kilovolts of power cable with cross-linked polyethylene insulations, including inner conductor shielded layer, the inner conductor shielded layer
Inside includes filling supporting element and three mineral insulation sets, and the inside of three mineral insulations set is banded with conductor, institute
It states between filling supporting element and three mineral insulation sets filled with fire prevention filled layer, the outer wall socket of the inner conductor shielded layer
There is fireproof mica layer, and fireproof mica layer is coated with crosslinked polyetylene insulated layer, the friendship far from the side of inner conductor shielded layer
Connection polyethylene layer is coated with outer semiconductor shielded layer far from the side of fireproof mica layer, and outer semiconductor shielded layer is far from friendship
The side of connection polyethylene layer is coated with steel woven shield, the steel woven shield far from outer semiconductor shielded layer one
Side is coated with outer jointing jacket.
The outer circumferential walls of the outer jointing jacket are socketed with heating mantle as a further solution of the present invention, and add
One end of hot jacket is provided with active ring, and the side of active ring circumferential inner wall is provided with the movable plate of scraping equidistantly distributed, and active ring
The other side of circumferential inner wall is provided with cleaning brush.
The circumferential inner wall of the heating mantle offers the peace equidistantly distributed as a further solution of the present invention,
Tankage, and the side inner wall of mounting groove is equipped with resistive heater.
The circumferential inner wall of the heating mantle is provided with the branch equidistantly distributed as a further solution of the present invention,
Blade, and the side of support chip offers the perforation equidistantly distributed, the top inner wall and bottom interior wall of perforation are equipped with same
Buffer spring.
The side of the heating mantle and active ring opening offers equidistantly as a further solution of the present invention,
Card slot from distribution, and the other side of heating mantle and active ring opening is provided with the fixture block equidistantly distributed.
The outer diameter of the fixture block and the internal diameter of card slot are adapted as a further solution of the present invention, and are supported
Piece is arcuate structure close to the side of outer jointing jacket.
The resistive heater is connected with switch by conducting wire as a further solution of the present invention, and switchs
Power supply is connected with by conducting wire.
The utility model has the following beneficial effects:
1. filling the inside of supporting element inner conductors shielded layer by setting filling supporting element and crosslinked polyetylene insulated layer
It is supported, three mineral insulation sets is separated, supported and insulated, protect inner conductor shielded layer and mineral insulation set
Will not extrusion or breakage, improve the use intensity of cable body, and make cable body with good insulation imitate
Fruit；
2. by setting active ring, scraping movable plate and cleaning brush, movable snare is in one end of outer protective case outer wall, mobile work
Moving-coil makes heating mantle more be socketed in the outer wall of outer jointing jacket, while the outer wall for scraping the external protective case of movable plate is shaved,
Cleaning brush carries out cleaning scrub to the outer wall of outer jointing jacket, facilitates the cleaning of outer jointing jacket；
3. by setting heating mantle, resistive heater and support chip, when heating mantle covers the outer wall in outer jointing jacket, by card
Block is caught in card slot for fixing heating mantle, and resistive heater energization is internally heated heating mantle, and it is suitable to provide for conductor
Temperature environment, support chip avoids resistive heater from directly contacting with the outer wall of outer jointing jacket, while perforating and guaranteeing in heating mantle
The temperature in portion is uniform.
Detailed description of the invention
Fig. 1 be the utility model proposes 110 kilovolts of power cable with cross-linked polyethylene insulations of one kind structural schematic diagram；
Fig. 2 be the utility model proposes the heating nested structure of 110 kilovolts of power cable with cross-linked polyethylene insulations of one kind cut open
View；
Fig. 3 be the utility model proposes 110 kilovolts of power cable with cross-linked polyethylene insulations of one kind heating mantle side tie
Structure cross-sectional view.
In figure: 1 conductor, 2 mineral insulation sets, 3 filling supporting elements, 4 fire prevention filled layers, 5 inner conductor shielded layers, 6 fire resistings
Mica layer, 7 crosslinked polyetylene insulated layers, 8 outer semiconductor shielded layers, 9 steel woven shields, 10 outer jointing jackets, 11 heating mantles, 12
Resistive heater, 13 active rings, 14 scrape movable plate, 15 cleaning brushes, 16 support chips, 17 buffer springs, 18 mounting grooves, 19 fixture blocks,
20 card slots.
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.
Referring to Fig.1-3, a kind of 110 kilovolts of power cable with cross-linked polyethylene insulations, including inner conductor shielded layer 5, inner conductor
The inside of shielded layer 5 includes filling supporting element 3 and three mineral insulation sets 2, and the inside of three mineral insulation sets 2 is tied up
Bundle has conductor 1, fills and is filled with fire prevention filled layer 4 between supporting element 3 and three mineral insulation sets 2, inner conductor shielded layer 5
Outer wall is socketed with fireproof mica layer 6, and far from the side of inner conductor shielded layer 5 to be coated with crosslinked polyethylene exhausted for fireproof mica layer 6
Edge layer 7, crosslinked polyetylene insulated layer 7 are coated with outer semiconductor shielded layer 8, and outer semiconductor far from the side of fireproof mica layer 6
Shielded layer 8 is coated with steel woven shield 9 far from the side of crosslinked polyetylene insulated layer 7, and steel woven shield 9 is far from outer half
The side of conductor shield 8 is coated with outer jointing jacket 10.
In the utility model, the outer circumferential walls of outer jointing jacket 10 are socketed with heating mantle 11, and one end setting of heating mantle 11
Have an active ring 13, the side of 13 circumferential inner wall of active ring be provided with equidistantly distribute scrape movable plate 14, and in 13 circumference of active ring
The other side of wall is provided with cleaning brush 15, and the circumferential inner wall of heating mantle 11 offers the mounting groove 18 equidistantly distributed, and pacifies
The side inner wall of tankage 18 is connected with resistive heater 12 by fastening bolt, and the circumferential inner wall of heating mantle 11 is provided with equidistant
The support chip 16 of distribution, and the side of support chip 16 offers the perforation equidistantly distributed, in the top inner wall and bottom of perforation
Wall is connected with the same buffer spring 17 by fastening bolt, and the side that heating mantle 11 and active ring 13 are open offers equidistantly
Card slot 20 from distribution, and the other side that heating mantle 11 and active ring 13 are open is provided with the fixture block 19 equidistantly distributed, blocks
The outer diameter of block 19 and the internal diameter of card slot 20 are adapted, and support chip 16 is arcuate structure, heating close to the side of outer jointing jacket 10
Resistance wire 12 is connected with switch by conducting wire, and switchs and be connected with power supply by conducting wire.
Working principle: in use, in the external coated mineral matter insulation sleeve 2 of conductor 1, using filling supporting element 3 by three
Mineral insulation set 2 is separated, and inner conductor shielded layer 5 is coated in three the external of mineral insulation set 2, in interior conductor shielding
The outer wall of layer 5 successively coats fireproof mica layer 6, crosslinked polyetylene insulated layer 7, outer semiconductor shielded layer 8, steel woven shield 9
With outer jointing jacket 10, wherein filling 3 inner conductors shielded layer 5 of supporting element inside be supported, to three mineral insulation sets
2 are separated, support and insulate, protect inner conductor shielded layer 5 and mineral insulation set 2 will not extrusion or breakage,
The use intensity for improving cable body, by 13 sets of active ring one end in 10 outer wall of outer jointing jacket, is moved when laying temperature is too low
Dynamic active ring 13 makes heating mantle 11 more be socketed in the outer wall of outer jointing jacket 10, while scraping movable plate 14 to outer jointing jacket 10
Outer wall is shaved, and cleaning brush 15 carries out cleaning scrub to the outer wall of outer jointing jacket 10, facilitates the cleaning of outer jointing jacket 10, when
11 sets of heating mantle, in the outer wall of outer jointing jacket 10, fixture block 19 are caught in and is used to fix heating mantle 11, adding thermal resistance in card slot 20
Silk 12 is powered and is internally heated to heating mantle 11, provides suitable temperature environment for conductor 1, support chip 16 avoids adding thermal resistance
Silk 12 is directly contacted with the outer wall of outer jointing jacket 10, while being perforated and being guaranteed that the temperature inside heating mantle 11 is uniform.
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 110 kilovolts of power cable with cross-linked polyethylene insulations, including inner conductor shielded layer (5), which is characterized in that in described
The inside of conductor shield (5) includes filling supporting element (3) and three mineral insulation sets (2), and three mineral insulations
The inside of set (2) is banded with conductor (1), filled with fire prevention between the filling supporting element (3) and three mineral insulation sets (2)
The outer wall of filled layer (4), the inner conductor shielded layer (5) is socketed with fireproof mica layer (6), and fireproof mica layer (6) is far from interior
The side of conductor shield (5) is coated with crosslinked polyetylene insulated layer (7), and the crosslinked polyetylene insulated layer (7) is far from fire resisting
The side of mica layer (6) is coated with outer semiconductor shielded layer (8), and outer semiconductor shielded layer (8) is far from crosslinked polyetylene insulated
The side of layer (7) is coated with steel woven shield (9), and the one of the steel woven shield (9) separate outer semiconductor shielded layer (8)
Side is coated with outer jointing jacket (10).
2. a kind of 110 kilovolts of power cable with cross-linked polyethylene insulations according to claim 1, which is characterized in that described outer
The outer circumferential walls of protective case (10) are socketed with heating mantle (11), and one end of heating mantle (11) is provided with active ring (13), activity
The side of circle (13) circumferential inner wall is provided with scraping movable plate (14) of equidistantly distributing, and the other side of active ring (13) circumferential inner wall
It is provided with cleaning brush (15).
3. a kind of 110 kilovolts of power cable with cross-linked polyethylene insulations according to claim 2, which is characterized in that described to add
The circumferential inner wall of hot jacket (11) offers the mounting groove (18) equidistantly distributed, and the side inner wall of mounting groove (18) is equipped with heating
Resistance wire (12).
4. a kind of 110 kilovolts of power cable with cross-linked polyethylene insulations according to claim 3, which is characterized in that described to add
The circumferential inner wall of hot jacket (11) is provided with the support chip (16) equidistantly distributed, and the side of support chip (16) offer it is equidistant
The perforation of distribution, the top inner wall and bottom interior wall of perforation are equipped with the same buffer spring (17).
5. a kind of 110 kilovolts of power cable with cross-linked polyethylene insulations according to claim 4, which is characterized in that described to add
The side of hot jacket (11) and active ring (13) opening offers the card slot (20) equidistantly distributed, and heating mantle (11) and activity
The other side of circle (13) opening is provided with the fixture block (19) equidistantly distributed.
6. a kind of 110 kilovolts of power cable with cross-linked polyethylene insulations according to claim 5, which is characterized in that the card
The outer diameter of block (19) and the internal diameter of card slot (20) are adapted, and support chip (16) is arc knot close to the side of outer jointing jacket (10)
Structure.
7. a kind of 110 kilovolts of power cable with cross-linked polyethylene insulations according to claim 6, which is characterized in that described to add
Hot water radiation wire (12) is connected with switch by conducting wire, and switchs and be connected with power supply by conducting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215883.6U CN209657888U (en) | 2019-02-20 | 2019-02-20 | A kind of 110 kilovolts of power cable with cross-linked polyethylene insulations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215883.6U CN209657888U (en) | 2019-02-20 | 2019-02-20 | A kind of 110 kilovolts of power cable with cross-linked polyethylene insulations |
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| Publication Number | Publication Date |
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| CN209657888U true CN209657888U (en) | 2019-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920215883.6U Active CN209657888U (en) | 2019-02-20 | 2019-02-20 | A kind of 110 kilovolts of power cable with cross-linked polyethylene insulations |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397239A (en) * | 2020-11-09 | 2021-02-23 | 安徽福日光电科技有限公司 | Practical wire and cable of resistance to compression heat resistance |
-
2019
- 2019-02-20 CN CN201920215883.6U patent/CN209657888U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397239A (en) * | 2020-11-09 | 2021-02-23 | 安徽福日光电科技有限公司 | Practical wire and cable of resistance to compression heat resistance |
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