CN218730038U - Full-water-blocking compression-resistant cable - Google Patents
Full-water-blocking compression-resistant cable Download PDFInfo
- Publication number
- CN218730038U CN218730038U CN202223257806.8U CN202223257806U CN218730038U CN 218730038 U CN218730038 U CN 218730038U CN 202223257806 U CN202223257806 U CN 202223257806U CN 218730038 U CN218730038 U CN 218730038U
- Authority
- CN
- China
- Prior art keywords
- water
- blocking
- cable
- shielding layer
- tape
- 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.)
- Active
Links
- 230000006835 compression Effects 0.000 title claims abstract description 14
- 238000007906 compression Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000002955 isolation Methods 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 3
- 239000004698 Polyethylene Substances 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 3
- 241000700159 Rattus Species 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- Insulated Conductors (AREA)
Abstract
The utility model belongs to the technical field of the cable, a resistance to compression cable blocks water entirely is provided, include: the cable comprises a plurality of cable cores, wherein each cable core comprises a conductor, a conductor shielding layer, an insulating layer and an insulating shielding layer are sequentially formed by extrusion outside the conductor, and a first waterproof tape and a copper strip shielding layer are sequentially wound on the outer surface of the insulating shielding layer from inside to outside; a plurality of wire cores and the water-blocking filling rope are twisted to form a cable core, and the wire cores are arranged without gaps; the second water-blocking tape is sleeved outside the cable core, a gap is formed between the second water-blocking tape and the copper strip shielding layer, and the gap is filled with a water-blocking filling rope; the isolation sleeve is sleeved outside the second water blocking belt; the third water-blocking tape is sleeved outside the isolation sleeve; the steel wire armor is sleeved outside the third water blocking belt; the outer sheath is sleeved outside the steel wire armor. The utility model provides a cable water blocking performance and tensile strength's situation, can effectively prevent the infiltration of the inside aqueous vapor of cable and external water or aqueous vapor.
Description
Technical Field
The utility model relates to the technical field of cables, concretely relates to resistance to compression cable blocks water entirely.
Background
At present, with the rapid development of the technology, the usage amount of the crosslinked polyethylene insulated power cable product is greatly increased, the service life and the performance of the cable are emphasized, and the cable is required to have strong waterproof, moistureproof and tensile capabilities. The existing water-blocking cable is formed by adding a water-blocking filling rope and a water-blocking tape between an insulating layer and a sheath. In this process, the problem of water-blocking tape leaking, even breaking, etc. due to the increase of tensile strength often occurs.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a resistance to compression cable blocks water entirely to the tensile strength and the problem that the performance of blocking water is low of solving current cable.
The utility model provides a pair of resistance to compression cable blocks water entirely, include:
the cable comprises a plurality of cable cores, wherein each cable core comprises a conductor, a conductor shielding layer, an insulating layer and an insulating shielding layer are sequentially formed outside the conductor in an extrusion mode, and a first waterproof tape and a copper strip shielding layer are sequentially wound on the outer surface of the insulating shielding layer in a wrapping mode;
the cable comprises a plurality of cable cores and water-blocking filling ropes, wherein the cable cores are twisted with the water-blocking filling ropes to form cable cores, and the cable cores are arranged without gaps;
the second water-blocking tape is sleeved outside the cable core, a gap is formed between the second water-blocking tape and the copper strip shielding layer, and the gap is filled with the water-blocking filling rope;
the isolation sleeve is sleeved outside the second water blocking belt;
the third water-blocking tape is sleeved outside the isolation sleeve;
the steel wire armor is sleeved outside the third water blocking belt;
and the outer sheath is sleeved outside the steel wire armor.
Optionally, the number of the wire cores is three.
Optionally, the first water-blocking tape has a thickness greater than a thickness of the second water-blocking tape.
Optionally, the thickness of the first water-blocking tape is 0.5mm, and the thickness of the second water-blocking tape is 0.2mm.
Optionally, the first water blocking tape is made of a semi-conductive material.
Optionally, the isolation sleeve and the outer sheath are made of 90 ℃ flame-retardant polyethylene sheath material.
Optionally, the steel wire armor employs 12Crl7Mn6Ni5N or 12Crl18Ni9 grade stainless steel wire in austenite.
By adopting the technical scheme, the method has the following technical effects:
the utility model solves the problems of the water-blocking performance and the tensile strength of the cable, and the cable uses the water-blocking filling rope and the multilayer water-blocking tape, which can effectively prevent the infiltration of the water vapor inside the cable and the external water or the water vapor; the outer sheath made of polyethylene material is used for enhancing the mechanical property and the waterproof property of the cable; in order to deal with various laying conditions, the cable jacket is provided with steel wire armoring, the bending radius of the cable is increased, and the rat bite can be prevented while the tensile resistance of mechanical equipment is born.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic view of a fully water-blocking compression-resistant cable provided by an embodiment of the present invention.
Reference numerals are as follows:
1-a cable core; 11-a wire core; 111-a conductor; 112-a conductor shield layer; 113-an insulating layer; 114-an insulating shield layer; 115-a first water blocking tape; 116-copper tape shielding layer; 12-water-blocking filling rope; 2-a second water-blocking tape; 3-an isolation sleeve; 4-a third water-blocking tape; 5-steel wire armoring; 6-outer sheath.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
As shown in fig. 1, the utility model provides a resistance to compression cable blocks water entirely, include:
the cable cores 11 comprise conductors 111, the conductors 111 are sequentially extruded to form a conductor shielding layer 112, an insulating layer 113 and an insulating shielding layer 114, and a first water-blocking tape 115 and a copper strip shielding layer 116 are sequentially wrapped on the outer surface of the insulating shielding layer 114 from inside to outside; a plurality of wire cores 11 and the water-blocking filling rope 12 are twisted to form the cable core 1, and the wire cores 11 are arranged without gaps; the second water-blocking tape 2 is sleeved outside the cable core, a gap is formed between the second water-blocking tape 2 and the copper strip shielding layer 116, and the gap is filled with a water-blocking filling rope 12; the isolation sleeve 3 is sleeved outside the second water-blocking tape 2; the third water-blocking tape 4 is sleeved outside the isolation sleeve 3; the steel wire armor 5 is sleeved outside the third water-blocking tape 4; the outer sheath 6 is sleeved outside the steel wire armor 5.
In a possible embodiment, the number of wire cores 11 is in particular three. During production, the three wire cores 11 are positioned at the center of the cable core 1, the water-blocking filling ropes 12 are coated on the surfaces of all the wire cores 11 when the three wire cores 11 are twisted, so that the wire cores 11 are not exposed, and meanwhile, the water-blocking filling ropes 12 have certain thickness, so that a gap is formed between the wire cores 11 and the second water-blocking tape 2.
Optionally, the thickness of the first water blocking tape 115 is greater than the thickness of the second water blocking tape 2. The first water-blocking tape 115 is a waterproof layer closest to the conductor, and is different from the second water-blocking tape 2 and the third water-blocking tape 4, and the first water-blocking tape 115 is respectively wrapped around the wire core 22, so that the thickness of the first water-blocking tape 115 is larger than that of the second water-blocking tape 2 in the embodiment, and is used for blocking moisture.
Further, the first water blocking tape 115 is made of a semi-conductive material, the thickness of the first water blocking tape is 0.5mm, and the semi-conductive property enables the first water blocking tape 115 to have the characteristics of strong hygroscopicity, large expansion rate and high expansion rate; the cable can effectively buffer and weaken the electric field intensity, has high mechanical strength, good heat resistance of products and high instant temperature resistance, can keep stable performance at the instant high temperature, can enable moisture in the cable to be absorbed, prevents the loss of an insulating medium from increasing, and accelerates the insulating aging speed.
The thickness of the second water-blocking tape 2 is 0.2mm, when the water-blocking filling rope 12 and the second water-blocking tape 2 meet water and moisture, water-blocking powder in the water-blocking filling rope can expand to dozens of times of the original water-blocking filling rope, so that a wading channel is blocked, and further diffusion and extension of the water or the moisture are stopped.
Specifically, the isolation sleeve 3 and the outer sheath 6 are made of 90 ℃ flame-retardant polyethylene sheath material, the mechanical strength of polyethylene is stronger than that of polyvinyl chloride, and the waterproof performance is superior to that of polyvinyl chloride.
The steel wire armor 5 is used for protecting the integrity and the electrical performance of a cable structure and prolonging the service life of the cable. In this embodiment, the steel wire sheath 5 is made of 12Crl7Mn6Ni5N or 12Crl18Ni9 stainless steel wire in austenite. The mechanical properties of the alloy for different diameters meet the requirements of table 1:
TABLE 1
The steel wire armor 5 can be used for protecting the cable from being damaged and damaged by external mechanical force, bearing general vertical tensile resistance and preventing rats from being bitten. In addition, the steel wire armor 5 has a large bending radius, and can be grounded to protect a cable.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included in the scope of the claims and description of the present invention.
Claims (7)
1. The utility model provides a resistance to compression cable blocks water entirely which characterized in that includes:
the cable comprises a plurality of cable cores, wherein each cable core comprises a conductor, a conductor shielding layer, an insulating layer and an insulating shielding layer are sequentially formed outside the conductor in an extrusion mode, and a first waterproof tape and a copper strip shielding layer are sequentially wound on the outer surface of the insulating shielding layer in a wrapping mode;
the cable comprises a plurality of cable cores and water-blocking filling ropes, wherein the cable cores are twisted with the water-blocking filling ropes to form cable cores, and the cable cores are arranged without gaps;
the second water blocking tape is sleeved outside the cable core, a gap is formed between the second water blocking tape and the copper strip shielding layer, and the gap is filled with the water blocking filling rope;
the isolation sleeve is sleeved outside the second water blocking belt;
the third water-blocking tape is sleeved outside the isolation sleeve;
the steel wire armor is sleeved outside the third water blocking belt;
and the outer sheath is sleeved outside the steel wire armor.
2. The fully water-blocking compression-resistant cable of claim 1, wherein the number of the wire cores is three.
3. The fully water-blocking compression-resistant cable according to claim 1, wherein the thickness of the first water-blocking tape is greater than the thickness of the second water-blocking tape.
4. The all-water-blocking compression-resistant cable according to claim 3, wherein the thickness of the first water-blocking tape is 0.5mm, and the thickness of the second water-blocking tape is 0.2mm.
5. The fully water-blocking compression-resistant cable according to claim 4, wherein the first water-blocking tape is made of a semi-conductive material.
6. The fully water-blocking compression-resistant cable according to claim 1, wherein the insulating sleeve and the outer sheath are made of 90 ℃ flame-retardant polyethylene sheath material.
7. The cable of claim 1, wherein the steel wire sheath is made of 12Crl7Mn6Ni5N or 12Crl18Ni9 stainless steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223257806.8U CN218730038U (en) | 2022-12-06 | 2022-12-06 | Full-water-blocking compression-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223257806.8U CN218730038U (en) | 2022-12-06 | 2022-12-06 | Full-water-blocking compression-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218730038U true CN218730038U (en) | 2023-03-24 |
Family
ID=85625868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223257806.8U Active CN218730038U (en) | 2022-12-06 | 2022-12-06 | Full-water-blocking compression-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218730038U (en) |
-
2022
- 2022-12-06 CN CN202223257806.8U patent/CN218730038U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018223827A1 (en) | Ultra-large cross-section high-voltage low-loss combined optical-fiber submarine cable and manufacturing method thereof | |
| CN205751636U (en) | A medium voltage waterproof single core cable | |
| CN207517398U (en) | Novel earthquake-proof environmental protection flame retardant flexible cable | |
| CN201927409U (en) | High-voltage ship power cable | |
| CN104616749A (en) | Tensile type aluminum alloy power cable for communication | |
| CN107274985B (en) | Z-shaped copper wire armored photoelectric composite submarine cable | |
| CN211578436U (en) | Low-voltage flexible mineral insulated fireproof cable | |
| CN218730038U (en) | Full-water-blocking compression-resistant cable | |
| CN209880229U (en) | Waterproof directly-buried photovoltaic cable | |
| CN204496968U (en) | Single core 6.6kV naval vessel midium voltage cable | |
| CN218181868U (en) | Double-core direct-current submarine cable | |
| US20240412897A1 (en) | A composite cable and method of manufacture | |
| CN203118655U (en) | Medium-voltage aluminum alloy power cable | |
| CN215451010U (en) | 500KV crosslinked polyethylene power cable | |
| CN115359963A (en) | Medium-voltage cable for high-performance high-capacity transformer and preparation method thereof | |
| RU164397U1 (en) | THREE-WAY POWER CABLE WITH INTEGRATED POLYETHYLENE | |
| CN204423951U (en) | Rubber filling conductor blocks water submarine cable | |
| CN212990766U (en) | Submarine power optical communication composite cable | |
| CN205984331U (en) | Nuclear power medium voltage power cable | |
| CN211181696U (en) | Low-smoke halogen-free flame-retardant water-blocking cable | |
| CN210575192U (en) | High-shielding anti-interference photoelectric composite ultrahigh-voltage power cable | |
| GB2614180A (en) | A composite cable and method of manufacture | |
| CN209625904U (en) | A medium-voltage power cable for mud-resistant oil platforms | |
| CN214956123U (en) | Medium-voltage waterproof power cable | |
| CN220189261U (en) | A flexible aluminum alloy photovoltaic cable for plateau area heavy grade |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |