CN208335845U - A kind of high-strength polyethylene insulation lv power cable - Google Patents
A kind of high-strength polyethylene insulation lv power cable Download PDFInfo
- Publication number
- CN208335845U CN208335845U CN201820995504.5U CN201820995504U CN208335845U CN 208335845 U CN208335845 U CN 208335845U CN 201820995504 U CN201820995504 U CN 201820995504U CN 208335845 U CN208335845 U CN 208335845U
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- Prior art keywords
- cable
- insulating layer
- support column
- ring body
- conductor
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- 239000004698 Polyethylene Substances 0.000 title claims abstract description 17
- -1 polyethylene Polymers 0.000 title claims abstract description 17
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 17
- 238000009413 insulation Methods 0.000 title abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 46
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 22
- 125000004122 cyclic group Chemical group 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 2
- 210000002435 tendon Anatomy 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 229920000800 acrylic rubber Polymers 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 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 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a kind of high-strength polyethylene insulation lv power cables, belong to field of cable technology.A kind of high-strength polyethylene insulation lv power cable includes cable core, the first insulating layer is successively enclosed with outside cable core, enhancement layer, restrictive coating, cable core includes four cable conductors being distributed in a ring, it is used to support the conductor support of four cable conductors, conductor support includes the support column extended along cable conductor length direction and ring body, ring body is sheathed on the outside of support column, it is fixed between the inner wall of ring body and the outer wall of support column by four supporting plates, four supporting plates are circumferentially equally spaced, four fan-shaped cavities are separated by four supporting plates between ring body and support column, a cable conductor is equipped in each fan-shaped cavity.A kind of high-strength polyethylene insulation lv power cable disclosed by the utility model, the performance with good external force extrusion-resistance.
Description
Technical field
The utility model relates to field of cable technology, and in particular to a kind of high-strength polyethylene insulation lv power cable.
Background technique
Power cable is the cable for being used for transmission and distributing electric energy, is usually used in the lead-out wire of Urban Underground power grid, power station
The submarine transmission line on road, the in-line power of industrial and mining enterprises and crossing river and sea.With the development of economy, it needs using power cable
Place become diversification, have the requirement of multiplicity to the performance indicator of power cable, for example tensile strength, use temperature, resistance to old
The indexs such as the property changed, flame retardant property have strict requirements, the continuous comprehensive performance for improving power cable, are economy and society hairs
The urgent need of exhibition.Cable all can suffer from external force in keeping, transport, laying and operational process and squeeze, and especially run
Direct-buried cable, be subject to damage in the ground construction of Other Engineering.This kind of accident often accounts for the 50% of cable fault.To avoid
The generation of this kind of accident, there is an urgent need to research and develop the cable with high-intensity performance.
Utility model content
In order to overcome the drawbacks of the prior art, the technical problem to be solved by the utility model is to propose a kind of high intensity
Polyethylene insulation lv power cable, the performance with good external force extrusion-resistance.
For this purpose, the utility model uses following technical scheme:
The utility model provides a kind of high-strength polyethylene insulation lv power cable, including cable core, is wrapped in institute
It states the first insulating layer outside cable core, the enhancement layer being wrapped in outside the first insulating layer, be wrapped in outside the enhancement layer
Restrictive coating；The cable core includes four cable conductors being distributed in a ring, the conductor for being used to support four cable conductors
Bracket, the conductor support include the support column and multiple along the support column length extended along the cable conductor length direction
Spend the ring body of directional spreding, multiple ring bodies are sheathed on the outside of the support column, the inner wall of each ring body with it is described
It is fixed between the outer wall of support column by four supporting plates, four supporting plates are circumferentially equally spaced, the water of the ring body
Flat central axis is overlapped with the horizontal center line axis of the support column, by described in four between the ring body and the support column
Supporting plate is separated into four fan-shaped cavities, and a cable conductor, each cable are equipped in each fan-shaped cavity
The outside of conductor is coated with second insulating layer, and shielded layer, the separate institute of the shielded layer are coated with outside the second insulating layer
A side surface of second insulating layer is stated simultaneously with the inner wall of the ring body, the outer wall of the support column, positioned at the shielded layer two
The supporting plate side of side is tangent, and the support column, the ring body, the gap between the shielded layer are equipped with gasket for packing,
The inner hollow of the support column, and it is filled with composite fiber core；The enhancement layer includes multiple cyclic reinforcing ribs, Duo Gesuo
The equal spacing in length direction that cyclic reinforcing rib is stated along the cable conductor is distributed, on the length direction of the cable conductor, often
A cyclic reinforcing rib is connected by multiple strip reinforcing ribs, and multiple strip reinforcing ribs are circumferentially equally spaced, described
Gap filling between cyclic reinforcing rib and the restrictive coating has composite fiber core.
In the preferable embodiment of the utility model, the ring body is close to a side surface of first insulating layer to leaning on
The direction of nearly first insulating layer is convexly equipped with multiple convex blocks, and multiple convex blocks are circumferentially equally spaced, first insulation
Layer corresponds to recessed fluted to the side surface close to the ring body, and the convex block is adapted with the groove shapes.
In the preferable embodiment of the utility model, prolong in first insulating layer along the cable conductor length direction
Stretching has multiple cordage, and the cordage is uniformly distributed around the inner wall of first insulating layer.
In the preferable embodiment of the utility model, prolong in the second insulating layer along the cable conductor length direction
Stretching has multiple cordage, and the cordage is uniformly distributed around the inner wall of the second insulating layer.
In the preferable embodiment of the utility model, surface bonding of the restrictive coating far from the enhancement layer side is resistance to
Grind layer.
The utility model has the following beneficial effects:
A kind of high-strength polyethylene insulation lv power cable provided by the utility model, it is wrapped outside the cable core
There is the enhancement layer, is surrounded with the restrictive coating in the outside of the enhancement layer, electricity can be effectively improved using such structure
The external force extrusion-resistance and tensile resistance of cable, are effectively protected the cable conductor.
Detailed description of the invention
Fig. 1 is that a kind of structure of high-strength polyethylene insulation lv power cable provided in the utility model embodiment is shown
It is intended to.
In figure: 100, cable core；110, cable conductor；120, conductor support；121, support column；122, ring body；123, it props up
Frame plate；124, convex block；130, second insulating layer；140, shielded layer；210, the first insulating layer；211, groove；212, cordage；
220, enhancement layer；221, cyclic reinforcing rib；222, strip reinforcing rib；233, composite fiber core；230, restrictive coating；231, wear-resisting
Layer.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, a kind of high-strength polyethylene insulation lv power cable includes cable core 100, is wrapped in the electricity
The first insulating layer 210 outside cable core 100, is wrapped in the reinforcement at the enhancement layer 220 being wrapped in outside the first insulating layer 210
Restrictive coating 230 outside layer 220.
The cable core 100 includes four cable conductors 110 being distributed in a ring, is used to support four cable conductors
110 conductor support 120, the conductor support 120 include the support column 121 extended along 110 length direction of cable conductor
And multiple ring bodies 122 along 121 length direction of support column distribution, multiple ring bodies 122 are sheathed on the support column
121 outside, it is solid by four supporting plates 123 between the inner wall of each ring body 122 and the outer wall of the support column 121
Fixed, four supporting plates 123 are circumferentially equally spaced, the horizontal center line axis of the ring body 122 and the support column 121
Horizontal center line axis is overlapped, and is separated into four by four supporting plates 123 between the ring body 122 and the support column 121
A fan-shaped cavity, is equipped with a cable conductor 110 in each fan-shaped cavity, each cable conductor 110 it is outer
Portion is coated with second insulating layer 130, is coated with shielded layer 140 outside the second insulating layer 130, the shielded layer 140 it is remote
A side surface from the second insulating layer 130 simultaneously with the inner wall of the ring body 122, the support column 121 outer wall, be located at
123 side of the supporting plate of 140 two sides of shielded layer is tangent, the support column 121, the ring body 122, the shielded layer
Gap between 140 is equipped with gasket for packing, and the inside of the support column 121 is hollow, and is filled with composite fiber core 233,
Composite fiber core 233 twists the energy saving high degree aluminium alloy wire layer outside fiber glass core by fiber glass core and with one heart and is formed.Institute
Stating overlap joint between ring body 122 and the support column 121, there are four the equally distributed supporting plates 123, improve the conductor branch
The whole structural strength of frame 120, improves the external force extrusion-resistance and tensile resistance of cable, is effectively protected the cable and leads
Body 110.
The enhancement layer 220 includes multiple cyclic reinforcing ribs 221, and multiple cyclic reinforcing ribs 221 are led along the cable
The equal spacing in length direction of body 110 is distributed, on the length direction of the cable conductor 110, each cyclic reinforcing rib 221
It is connected by multiple strip reinforcing ribs 222, multiple strip reinforcing ribs 222 are circumferentially equally spaced, the cyclic reinforcing rib
Gap filling between 221 and the restrictive coating 230 has composite fiber core 233, and the strip reinforcing rib 222 adds with the ring-type
221 interconnection of strengthening tendons can play mutual supporting role between the strip reinforcing rib 222 and the cyclic reinforcing rib 221,
Improve the overall structural strength of second enhancement layer 230.
A kind of above-mentioned high-strength polyethylene insulation lv power cable, four cable conductors 110 are uniformly distributed
In the conductor support 120, the structural strength of the conductor support 120 is high, is surrounded with outside the cable core 100 described
Enhancement layer 220 is surrounded with the restrictive coating 230 in the outside of the enhancement layer 220, can be effectively improved using such structure
The external force extrusion-resistance and tensile resistance of cable are effectively protected the cable conductor 110.
Further, the ring body 122 is close to a side surface of first insulating layer 210 to close to first insulation
The direction of layer 210 is convexly equipped with multiple convex blocks 124, and multiple convex blocks 124 are circumferentially equally spaced, first insulating layer 210
Recessed fluted 211 are corresponded to the side surface close to the ring body 122, the convex block 124 is mutually fitted with 211 shape of groove
Match；The convex block 114 of the ring body 122 and the groove 211 of first insulating layer 210 are clasped, and make the two even
Connect closer, secured, raising bonding strength.
Further, multiple cordage are extended with along 110 length direction of cable conductor in first insulating layer 210
212, the cordage 212 is uniformly distributed around the inner wall of first insulating layer 210；The cordage 212 by carbon fiber and
Acrylic rubber material is made, and increases the tensile strength of first insulating layer 210, so that the stretching improved inside cable is strong
Degree can effectively reduce dragging and damage to cable bring in the wiring and take-up of cable.
Further, extend multiple cordage along 110 length direction of cable conductor in the second insulating layer 130
212, the cordage 212 is uniformly distributed around the inner wall of the second insulating layer 130；The cordage 212 by carbon fiber and
Acrylic rubber material is made, and increases the tensile strength of the second insulating layer 130, so that the stretching improved inside cable is strong
Degree can effectively reduce dragging and damage to cable bring in the wiring and take-up of cable.
Further, the restrictive coating 230 is bonded wearing layer 231 far from the surface of 220 side of enhancement layer, and institute is arranged
Stating wearing layer 231 can effectively prevent the abrasion of cable.
The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality
In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality
It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to
In the range of the utility model protection.
Claims (5)
- The lv power cable 1. a kind of high-strength polyethylene insulate, it is characterised in that: including cable core (100), be wrapped in it is described External the first insulating layer (210) of cable core (100) is wrapped in the external enhancement layer (220) of the first insulating layer (210), package In the external restrictive coating (230) of the enhancement layer (220)；The cable core (100) includes four cable conductors (110) being distributed in a ring, is used to support four cable conductors (110) conductor support (120), the conductor support (120) include the branch extended along the cable conductor (110) length direction Dagger (121) and multiple ring bodies (122) along the distribution of the support column (121) length direction, multiple ring body (122) sets Set on the outside of the support column (121), between the inner wall of each ring body (122) and the outer wall of the support column (121) Fixed by four supporting plates (123), four supporting plates (123) are circumferentially equally spaced, the level of the ring body (122) Central axis is overlapped with the horizontal center line axis of the support column (121), the ring body (122) and the support column (121) it Between be separated into four fan-shaped cavities by four supporting plates (123), be equipped with described in one in each fan-shaped cavity The outside of cable conductor (110), each cable conductor (110) is coated with second insulating layer (130), the second insulating layer (130) external to be coated with shielded layer (140), the side surface far from the second insulating layer (130) of the shielded layer (140) Simultaneously with the inner wall of the ring body (122), the outer wall of the support column (121), positioned at the described of the shielded layer (140) two sides Supporting plate (123) side is tangent, and the support column (121), the ring body (122), the gap between the shielded layer (140) are worn Equipped with gasket for packing, the inner hollow of the support column (121), and it is filled with composite fiber core (233)；The enhancement layer (220) includes multiple cyclic reinforcing ribs (221), and multiple cyclic reinforcing ribs (221) are along the cable The equal spacing in length direction of conductor (110) is distributed, and on the length direction of the cable conductor (110), each ring-type adds Strengthening tendons (221) are connected by multiple strip reinforcing ribs (222), and multiple strip reinforcing ribs (222) are circumferentially equally spaced, institute Stating the gap filling between cyclic reinforcing rib (221) and the restrictive coating (230) has composite fiber core (233).
- The lv power cable 2. a kind of high-strength polyethylene according to claim 1 insulate, it is characterised in that: the ring body (122) it is convexly equipped with close to a side surface of first insulating layer (210) to the direction close to first insulating layer (210) more A convex block (124), multiple convex blocks (124) are circumferentially equally spaced, and first insulating layer (210) is to close to the ring body (122) a side surface corresponds to recessed fluted (211), and the convex block (124) is adapted with the groove (211) shape.
- The lv power cable 3. a kind of high-strength polyethylene according to claim 1 insulate, it is characterised in that: described first It is extended with multiple cordage (212) in insulating layer (210) along the cable conductor (110) length direction, the cordage (212) Inner wall around first insulating layer (210) is uniformly distributed.
- The lv power cable 4. a kind of high-strength polyethylene according to claim 1 insulate, it is characterised in that: described second Extend multiple cordage (212), cordage (212) ring along the cable conductor (110) length direction in insulating layer (130) Inner wall around the second insulating layer (130) is uniformly distributed.
- The lv power cable 5. a kind of high-strength polyethylene according to claim 1 insulate, it is characterised in that: the sheath Layer (230) is bonded wearing layer (231) far from the surface of the enhancement layer (220) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820995504.5U CN208335845U (en) | 2018-06-26 | 2018-06-26 | A kind of high-strength polyethylene insulation lv power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820995504.5U CN208335845U (en) | 2018-06-26 | 2018-06-26 | A kind of high-strength polyethylene insulation lv power cable |
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| Publication Number | Publication Date |
|---|---|
| CN208335845U true CN208335845U (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820995504.5U Expired - Fee Related CN208335845U (en) | 2018-06-26 | 2018-06-26 | A kind of high-strength polyethylene insulation lv power cable |
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| Country | Link |
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| CN (1) | CN208335845U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491564A (en) * | 2019-10-22 | 2019-11-22 | 广州亚太线缆科技有限公司 | A kind of waterproof submarine cable |
| CN111029004A (en) * | 2019-12-30 | 2020-04-17 | 安徽新亚特电缆集团有限公司 | Multi-core wire cable |
| CN111048253A (en) * | 2019-11-25 | 2020-04-21 | 安徽怡和电缆有限公司 | Novel insulating computer cable |
| CN111477386A (en) * | 2020-05-06 | 2020-07-31 | 桐城信邦电子有限公司 | Weather-resistant wire harness for refrigeration equipment control |
-
2018
- 2018-06-26 CN CN201820995504.5U patent/CN208335845U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491564A (en) * | 2019-10-22 | 2019-11-22 | 广州亚太线缆科技有限公司 | A kind of waterproof submarine cable |
| CN111048253A (en) * | 2019-11-25 | 2020-04-21 | 安徽怡和电缆有限公司 | Novel insulating computer cable |
| CN111029004A (en) * | 2019-12-30 | 2020-04-17 | 安徽新亚特电缆集团有限公司 | Multi-core wire cable |
| CN111477386A (en) * | 2020-05-06 | 2020-07-31 | 桐城信邦电子有限公司 | Weather-resistant wire harness for refrigeration equipment control |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 |