CN207867920U - A kind of cable that anti-high pressure is ageing-resistant - Google Patents
A kind of cable that anti-high pressure is ageing-resistant Download PDFInfo
- Publication number
- CN207867920U CN207867920U CN201721810391.9U CN201721810391U CN207867920U CN 207867920 U CN207867920 U CN 207867920U CN 201721810391 U CN201721810391 U CN 201721810391U CN 207867920 U CN207867920 U CN 207867920U
- Authority
- CN
- China
- Prior art keywords
- layer
- conductor
- cable
- insulating layer
- resistant
- 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.)
- Expired - Fee Related
Links
- 230000032683 aging Effects 0.000 title claims abstract description 25
- 239000004020 conductor Substances 0.000 claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000009941 weaving Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 11
- 238000007747 plating Methods 0.000 abstract 1
- 230000000750 progressive effect Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 229920003020 cross-linked polyethylene Polymers 0.000 description 2
- 239000004703 cross-linked polyethylene Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000003878 thermal aging Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
Classifications
-
- 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
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Insulated Conductors (AREA)
Abstract
The utility model provides a kind of cable that anti-high pressure is ageing-resistant, including conductor, insulating layer, shielded layer and the protective jacket that progressive contact is arranged successively from inside to outside；Wherein, conductor outside surfaces plating is equipped with tin copper conductor layer；Insulating layer is FEP materials；Shielded layer is double-layer structure made of being woven by tinned wird, and outer braid density >=80% of shielded layer；Protective jacket is FEP materials.The ageing-resistant cable of anti-high pressure provided by the utility model, the insulating layer of FEP materials is set outside conductor, the shielded layer of double-layer structure made of tinned wird weaves is set outside insulating layer, then the protective jacket of FEP materials is set outside shielded layer, effectively improves anti-breakdown voltage capabilities and ageing resistance.
Description
Technical Field
The utility model relates to a wire and cable technical field especially relates to an anti high pressure ageing-resistant cable.
Background
The current high-voltage direct-current cable mainly takes oiled paper insulation and oil-filled cables. With the development of polymer insulation materials, plastic polymer insulated cables (mainly crosslinked polyethylene XLPE) are widely used in ac power transmission and distribution networks due to their advantages of high insulation strength, superior thermo-mechanical properties, environmental friendliness, and convenient maintenance.
However, the plastic insulated cable cannot be widely used for dc high voltage because the polarity of the cable needs to be changed sometimes in order to change the energy transmission direction during the operation of the dc plastic insulated cable. Under the direct current high pressure, the cable insulation extremely easily accumulates space charge, and then leads to the local electric field distortion of insulating layer, reaches 7 ~ 8 times of normal operating field intensity, probably leads to insulating breakdown.
Therefore, it is necessary to provide a high voltage resistant and aging resistant cable to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides an anti high pressure ageing-resistant cable, sets up the insulating layer of FEP material outside the conductor, sets up tinned wire outside the insulating layer and weaves the bilayer structure's that forms shielding layer, sets up the lag of FEP material again outside the shielding layer, effectively improves withstand voltage ability and ageing resistance.
In order to solve the technical problem, the utility model adopts a technical scheme that a high-voltage-resistant and aging-resistant cable is provided, which comprises a conductor 1, an insulating layer 2, a shielding layer 3 and a protective sleeve 4 which are sequentially arranged in contact from inside to outside; wherein,
the outer surface of the conductor 1 is plated with a tin-copper conductor layer;
the insulating layer 2 is made of FEP;
the shielding layer 3 is a double-layer structure formed by weaving tinned copper wires, and the weaving density of the outer layer of the shielding layer 3 is more than or equal to 80%;
the boot 4 is of FEP.
Preferably, the diameter of the conductor 1 is 1.60 ± 0.08 mm.
Preferably, the tin-copper conductor layer has a thickness of 0.32 mm.
Preferably, the cross-sectional area of the conductor 1 is 1.53mm2。
Preferably, the outer diameter of the insulating layer 2 is 2.40mm ± 0.16 mm.
Preferably, the cross-sectional area of the shielding layer 3 is 1.33mm2。
Preferably, the outer diameter of the protective sleeve 4 is less than or equal to 4.10 mm.
The utility model has the advantages that: through the multilayer insulation of design, around package, flameresistant material, improve high voltage breakdown resistance ability, set up the insulating layer of FEP material outside the conductor, set up the shielding layer of tinned wire weave bilayer structure that forms outside the insulating layer, set up the lag of FEP material again outside the shielding layer, effectively improve voltage capability and ageing resistance.
Drawings
Fig. 1 is a schematic structural diagram of a first preferred embodiment of the high voltage resistant and aging resistant cable of the present invention.
The numbers in the figures are identified as:
1-a conductor; 2-an insulating layer; 3-a shielding layer; 4-protective sleeve.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the drawings.
Referring to fig. 1, the high-voltage-resistant and aging-resistant cable of the present embodiment includes a conductor 1, an insulating layer 2, a shielding layer 3, and a protective sleeve 4, which are sequentially arranged in contact from inside to outside; wherein, the outer surface of the conductor 1 is plated with a tin-copper conductor layer; the insulating layer 2 is made of FEP; the shielding layer 3 is a double-layer structure formed by weaving tinned copper wires, and the weaving density of the outer layer of the shielding layer 3 is more than or equal to 80%; the boot 4 is of FEP.
In this embodiment, insulating layer 2, shielding layer 3, lag 4 that the order set gradually outside conductor 1 have effectively improved the anti high pressure of cable and the ability of ageing resistance.
The high-voltage-resistant and aging-resistant cable is suitable for instruments and meters, circuit boards, internal connecting lines of electric and electronic instruments, power lines and control lines, the working temperature is-65 ℃ to +150 ℃, and the rated working voltage is 600V (alternating current effective value).
In a preferred embodiment of the invention, the diameter of the conductor 1 is 1.60 ± 0.08 mm.
In a preferred embodiment of the invention, the thickness of the tin-copper conductor layer is 0.32 mm. Further, it is preferable that the cross-sectional area of the conductor 1 is 1.53mm2。
In the embodiment of the present invention, the outer diameter of the insulating layer 2 is preferably 2.40mm ± 0.16 mm.
In the embodiment of the present invention, the cross-sectional area of the shielding layer 3 is preferably 1.33mm2。
In the embodiment of the present invention, the outer diameter of the protecting jacket 4 is preferably less than or equal to 4.10 mm.
The high-voltage-resistant and aging-resistant cable of the utility model has the advantages that the direct current resistance of the conductor is less than or equal to 12.7 omega/km through testing; insulation resistance (20 ℃) is more than or equal to 1.5 x 103M omega.km; low-temperature bending: 4h at-65 ℃, and then the voltage of soaking is 2kv, and breakdown is not generated in 1 min; voltage test: the core is opposite to the core, the shielding of the core is 1.5kv, and the core is not broken down in 1 min; and (3) thermal aging: 275 +/-2 ℃ and 120h, and the voltage test does not break down after the test.
The utility model discloses an anti high pressure ageing-resistant cable sets up the insulating layer of FEP material outside the conductor, sets up the tinned wire outside the insulating layer and weaves the bilayer structure's that forms shielding layer, sets up the lag of FEP material outside the shielding layer again, effectively improves and resists voltage capability and ageing resistance.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same principle as the protection scope of the present invention.
Claims (7)
1. The utility model provides a cable of high pressure resistant ageing resistance which characterized in that: comprises a conductor (1), an insulating layer (2), a shielding layer (3) and a protective sleeve (4) which are sequentially arranged in a contact manner from inside to outside; wherein,
the outer surface of the conductor (1) is plated with a tin-copper conductor layer;
the insulating layer (2) is made of FEP;
the shielding layer (3) is of a double-layer structure formed by weaving tinned copper wires, and the weaving density of the outer layer of the shielding layer (3) is more than or equal to 80 percent;
the protective sleeve (4) is made of FEP.
2. The high voltage, aging resistant cable of claim 1, wherein: the diameter of the conductor (1) is 1.60 +/-0.08 mm.
3. The high voltage, aging resistant cable of claim 2, wherein: the thickness of the tin-copper conductor layer is 0.32 mm.
4. The high voltage, aging resistant cable of claim 2, wherein: the cross-sectional area of the conductor (1) is 1.53mm2。
5. The high voltage, aging resistant cable of claim 1, wherein: the outer diameter of the insulating layer (2) is 2.40mm +/-0.16 mm.
6. The high voltage, aging resistant cable of claim 1, wherein: the cross section of the shielding layer (3) is 1.33mm2。
7. The high voltage resistant, aging resistant cable according to any one of claims 2-6, characterized in that: the outer diameter of the protective sleeve (4) is less than or equal to 4.10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721810391.9U CN207867920U (en) | 2017-12-19 | 2017-12-19 | A kind of cable that anti-high pressure is ageing-resistant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721810391.9U CN207867920U (en) | 2017-12-19 | 2017-12-19 | A kind of cable that anti-high pressure is ageing-resistant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207867920U true CN207867920U (en) | 2018-09-14 |
Family
ID=63465968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721810391.9U Expired - Fee Related CN207867920U (en) | 2017-12-19 | 2017-12-19 | A kind of cable that anti-high pressure is ageing-resistant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207867920U (en) |
-
2017
- 2017-12-19 CN CN201721810391.9U patent/CN207867920U/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 |
Granted publication date: 20180914 Termination date: 20201219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |