CN220155228U - Soft structure conductor voltage-resistant cable - Google Patents
Soft structure conductor voltage-resistant cable Download PDFInfo
- Publication number
- CN220155228U CN220155228U CN202321540014.3U CN202321540014U CN220155228U CN 220155228 U CN220155228 U CN 220155228U CN 202321540014 U CN202321540014 U CN 202321540014U CN 220155228 U CN220155228 U CN 220155228U
- Authority
- CN
- China
- Prior art keywords
- conductor
- structure conductor
- sleeve
- soft structure
- insulating
- 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
- 239000004020 conductor Substances 0.000 title claims abstract description 66
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000271 Kevlar® Polymers 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000004761 kevlar Substances 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 230000005684 electric field Effects 0.000 description 2
- 241000256602 Isoptera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 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
- Insulated Conductors (AREA)
Abstract
The utility model discloses a soft structure conductor withstand voltage cable, which comprises an electric wire and an outer sheath, wherein the electric wire comprises a soft structure conductor, a semi-conductive wrapping belt, a reinforcing wrapping belt, a conductor shielding sleeve, an insulating shielding sleeve and a shielding wrapping belt, the semi-conductive wrapping belt and the reinforcing wrapping belt are sequentially wrapped outside the soft structure conductor from inside to outside, the conductor shielding sleeve, the insulating sleeve and the insulating shielding sleeve are co-extruded outside the reinforcing wrapping belt from inside to outside, the shielding wrapping belt is wrapped outside the insulating shielding sleeve, a plurality of electric wires are twisted and jointly form a cable core, the outer sheath is extruded and wrapped outside the cable core, the semi-conductive wrapping belt and the reinforcing wrapping belt can be utilized to jointly tighten the soft structure conductor, and the phenomenon that the soft structure conductor is extruded and deformed during the three-layer co-extrusion process is avoided, so that the insulation eccentricity is within 10% of national requirements, the influence on the bending property is small, and the soft structure conductor withstand voltage cable can still normally work under the working condition that the simulated bending radius is 5D.
Description
[ field of technology ]
The utility model relates to the technical field of cables, in particular to the technical field of soft structure conductor voltage-resistant cables.
[ background Art ]
The cable is used as a carrier for power transmission and plays an extremely important role in industrial production and resident life. The performance of the cable can directly influence whether the power grid can stably transmit power or not, and then whether various power equipment can normally operate or not is determined. Since electric power once fails, great inconvenience and even economic loss are caused to our life and work, so it is very important to ensure the normal operation of the electric power line.
The cable with the soft structure conductor has the advantages of light weight, softness, excellent bending performance and better electric conductivity, and is very popular in the market during power rush-repair and emergency disposal, and is more and more popular in the market, such as a rat and termite proof environment-friendly medium-voltage direct-current power soft cable for rail transit disclosed in the utility model patent with the publication number of CN211294726U and a medium-voltage soft cable disclosed in the utility model patent with the publication number of CN 202816470U. However, due to the soft structure, when the soft structure conductor of the cable is co-extruded to cover the functional sleeve such as the insulating sleeve, the soft structure conductor is easy to be extruded and deformed under the pressure action of the tractor, so that the eccentricity is difficult to control, and finally the phenomenon that the eccentricity does not reach the standard is caused, and the problem needs to be solved.
[ utility model ]
The utility model aims to solve the problems in the prior art and provides a soft structure conductor pressure-resistant cable, which can utilize a semi-conductive wrapping belt and a reinforced wrapping belt to jointly tighten a soft structure conductor so as to avoid the phenomenon that the soft structure conductor is extruded and deformed during three-layer coextrusion.
In order to achieve the aim, the utility model provides a soft structure conductor withstand voltage cable, which comprises an electric wire and an outer sheath, wherein the electric wire comprises a soft structure conductor, a semi-conductive wrapping belt, a reinforcing wrapping belt, a conductor shielding sleeve, an insulating shielding sleeve and a shielding wrapping belt, the semi-conductive wrapping belt and the reinforcing wrapping belt are sequentially wrapped outside the soft structure conductor from inside to outside, the three layers of the conductor shielding sleeve, the insulating sleeve and the insulating shielding sleeve are co-extruded outside the reinforcing wrapping belt, the shielding wrapping belt is wrapped outside the insulating shielding sleeve, a plurality of electric wires are twisted and jointly form a cable core, and the outer sheath is extruded and coated outside the cable core.
Preferably, the soft structure conductor is a fifth soft structure copper conductor.
Preferably, the semiconductive wrapping tape is a semiconductive nylon tape.
Preferably, the reinforcing wrapping tape is a non-woven tape.
Preferably, the conductor shielding sleeve is a PED cross-linked adhesive type semi-conductive shielding sleeve.
Preferably, the insulating sleeve is a polyvinyl chloride sleeve, a polyethylene sleeve or a polypropylene sleeve.
Preferably, the insulating shielding sleeve is a PEJ cross-linked bonding type semi-conductive shielding sleeve.
Preferably, the shielding wrapping belt is a pure copper belt or an aluminum-plastic composite belt.
Preferably, the cable further comprises a side gap filling rope, and a plurality of wires and the side gap filling rope are twisted to form the cable core together.
Preferably, the side gap filling rope is a kevlar fiber braided rope.
The utility model has the beneficial effects that:
1) The semi-conductive wrapping tape, the reinforcing wrapping tape, the conductor shielding sleeve, the insulating shielding sleeve and the shielding wrapping tape are sequentially arranged outside the soft structure conductor to jointly form the electric wire, the semi-conductive wrapping tape and the reinforcing wrapping tape can be used for jointly tightening the soft structure conductor, and the phenomenon that the soft structure conductor is extruded and deformed during three-layer coextrusion is avoided, so that the insulation eccentricity is within 10% of national requirements, the influence on the bending property is small, the electric wire can still normally work under the working condition of simulating the bending radius of 5D, and the treatment advantage in the environment with narrow space and high bending property requirement is continuously maintained;
2) The three-layer insulating shielding layer is formed by the conductor shielding sleeve, the insulating sleeve and the insulating shielding sleeve, so that partial discharge between the soft structure conductor and the insulating sleeve can be avoided by the conductor shielding sleeve, partial discharge between the insulating sleeve and the outer sheath can be avoided by the insulating shielding sleeve, electric field distribution is improved, and the use safety of the cable is ensured;
3) Through twining a plurality of electric wires and side gap filling rope mutually and jointly forming the cable core, adopt the fibre braided rope of kevlar as side gap filling rope simultaneously, can promote the pull resistance of cable under the circumstances that does not influence the bendability of cable, and then effectively prolong the life of cable.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a cross-sectional view of a flexible structure conductor voltage cable of the present utility model;
fig. 2 is a cross-sectional view of an electric wire of the soft structure conductor withstand voltage cable of the present utility model.
In the figure: 1-wires, 11-soft structure conductors, 12-semi-conductive wrapping tape, 13-reinforced wrapping tape, 14-conductor shielding sleeve, 15-insulating sleeve, 16-insulating shielding sleeve, 17-shielding wrapping tape, 2-outer sheath and 3-side gap filling rope.
[ detailed description ] of the utility model
Referring to fig. 1 and 2, the soft structure conductor withstand voltage cable comprises an electric wire 1 and an outer sheath 2, wherein the electric wire 1 comprises a soft structure conductor 11, a semi-conductive wrapping belt 12, a reinforcing wrapping belt 13, a conductor shielding sleeve 14, an insulating sleeve 15, an insulating shielding sleeve 16 and a shielding wrapping belt 17, the semi-conductive wrapping belt 12 and the reinforcing wrapping belt 13 are sequentially wrapped outside the soft structure conductor 11 from inside to outside, the conductor shielding sleeve 14, the insulating sleeve 15 and the insulating shielding sleeve 16 are co-extruded outside the reinforcing wrapping belt 13 from inside to outside, the shielding wrapping belt 17 is wrapped outside the insulating shielding sleeve 16, a plurality of electric wires 1 are twisted together to form a cable core, and the outer sheath 2 is extrusion-coated outside the cable core. Wherein, the semi-conductive wrapping tape 12 and the reinforced wrapping tape 13 which are wrapped outside the soft structure conductor 11 in sequence from inside to outside can respectively ensure the circular tightening of the soft structure conductor 11, so as to avoid the soft structure conductor 11 from being extruded and deformed during the upper traction. In addition, in the front section of three-layer coextrusion, the reinforced wrapping tape 13 positioned on the outer layer can be stripped by adopting a traction wheel, and only the semiconductive wrapping tape 12 is reserved and enters three-layer coextrusion insulation along with the soft structure conductor 11, so that the tight rounding of the conductor is protected, the semiconductive performance of the electric wire 1 is enhanced, and the electric field can be homogenized during the operation of the cable. At this time, for the reinforced wrapping band 13, a smooth shower film may be added on a side of the reinforced wrapping band 13 near the semiconductive wrapping band 12, so as to facilitate smooth separation between the reinforced wrapping band 13 and the semiconductive wrapping band 12.
The soft structure conductor 11 is a fifth soft structure copper conductor.
The semiconducting taping 12 is a semiconducting nylon tape.
The reinforcing wrapping belt 13 is a non-woven fabric belt.
The conductor shield 14 is a PED cross-linked adhesive semiconducting shield.
The insulating sleeve 15 is a polyvinyl chloride sleeve, a polyethylene sleeve or a polypropylene sleeve.
The insulating shield 16 is a PEJ cross-linked adhesive semiconductive shield.
The shielding wrapping belt 17 is a pure copper belt or an aluminum-plastic composite belt.
The cable further comprises a side gap filling rope 3, and a plurality of the electric wires 1 and the side gap filling rope 3 are twisted to form a cable core together.
The side gap filling rope 3 is a Kevlar fiber braided rope.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (10)
1. Soft structure conductor withstand voltage cable, its characterized in that: including electric wire (1) and oversheath (2), electric wire (1) include soft structure conductor (11), semi-conductive around band (12), reinforcing around band (13), conductor shield cover (14), insulating cover (15), insulating shield cover (16) and shielding around band (17), semi-conductive around band (12) and reinforcing around band (13) are from interior to outside around the package outside soft structure conductor (11) in proper order, conductor shield cover (14), insulating cover (15) and insulating shield cover (16) are from interior to outside three-layer crowded altogether outside reinforcing around band (13), shielding around band (17) around the package outside insulating shield cover (16), a plurality of electric wire (1) twist mutually and form the cable core jointly, oversheath (2) extrusion cladding is outside the cable core.
2. The flexible structure conductor voltage cable of claim 1, wherein: the soft structure conductor (11) is a fifth soft structure copper conductor.
3. The flexible structure conductor voltage cable of claim 1, wherein: the semi-conductive wrapping belt (12) is a semiconductor nylon belt.
4. The flexible structure conductor voltage cable of claim 1, wherein: the reinforced wrapping belt (13) is a non-woven fabric belt.
5. The flexible structure conductor voltage cable of claim 1, wherein: the conductor shielding sleeve (14) is a PED cross-linked adhesive type semi-conductive shielding sleeve.
6. The flexible structure conductor voltage cable of claim 1, wherein: the insulating sleeve (15) is a polyvinyl chloride sleeve, a polyethylene sleeve or a polypropylene sleeve.
7. The flexible structure conductor voltage cable of claim 1, wherein: the insulating shielding sleeve (16) is a PEJ cross-linked bonding type semi-conductive shielding sleeve.
8. The flexible structure conductor voltage cable of claim 1, wherein: the shielding wrapping belt (17) is a pure copper belt or an aluminum-plastic composite belt.
9. The soft structure conductor voltage cable of any one of claims 1 to 8, wherein: the cable further comprises a side gap filling rope (3), and a plurality of wires (1) and the side gap filling rope (3) are twisted to form a cable core together.
10. The flexible structure conductor voltage cable of claim 9, wherein: the side gap filling rope (3) is a Kevlar fiber braided rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321540014.3U CN220155228U (en) | 2023-06-16 | 2023-06-16 | Soft structure conductor voltage-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321540014.3U CN220155228U (en) | 2023-06-16 | 2023-06-16 | Soft structure conductor voltage-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220155228U true CN220155228U (en) | 2023-12-08 |
Family
ID=89021889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321540014.3U Active CN220155228U (en) | 2023-06-16 | 2023-06-16 | Soft structure conductor voltage-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220155228U (en) |
-
2023
- 2023-06-16 CN CN202321540014.3U patent/CN220155228U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |