CN208111122U - A kind of low-voltage-powered cable of soft type - Google Patents
A kind of low-voltage-powered cable of soft type Download PDFInfo
- Publication number
- CN208111122U CN208111122U CN201820531722.3U CN201820531722U CN208111122U CN 208111122 U CN208111122 U CN 208111122U CN 201820531722 U CN201820531722 U CN 201820531722U CN 208111122 U CN208111122 U CN 208111122U
- Authority
- CN
- China
- Prior art keywords
- oversheath
- layer
- flexible body
- connector
- voltage
- 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
- 239000003063 flame retardant Substances 0.000 claims abstract description 23
- 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 abstract description 20
- 239000004020 conductor Substances 0.000 claims abstract description 16
- 239000010445 mica Substances 0.000 claims description 13
- 229910052618 mica group Inorganic materials 0.000 claims description 13
- 239000011490 mineral wool Substances 0.000 claims description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 9
- 239000005030 aluminium foil Substances 0.000 claims description 9
- 239000011889 copper foil Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 229920000098 polyolefin Polymers 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- 239000000395 magnesium oxide Substances 0.000 claims description 5
- 238000004132 cross linking Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 11
- 238000005096 rolling process Methods 0.000 abstract description 2
- 238000004079 fireproofing Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to field of cables more particularly to a kind of low-voltage-powered cables of soft type.Its technical solution is：A kind of low-voltage-powered cable of soft type, including conductor, the insulating layer set gradually from inside to outside on conductor, shielded layer, sheath, flame-retardant layer, oversheath, oversheath includes several segments oversheath connector and several segments oversheath flexible body, several segments oversheath connector and the setting of several segments oversheath flexible body interval, the both ends of oversheath connector and oversheath flexible body are respectively arranged with engaging head and engaging slot, engaging head on oversheath connector is sticked in the engaging slot of adjacent oversheath flexible body, engaging head on oversheath flexible body is sticked in the engaging slot of adjacent oversheath connector, it is hollow structure inside oversheath flexible body.The utility model provides a kind of intact low-voltage-powered cable of soft type of each layer structure when certifiable bending, solves the problems, such as that existing power cable occurs rolling over broken or fatigue damage in bending.
Description
Technical field
The utility model relates to field of cables more particularly to a kind of low-voltage-powered cables of soft type.
Background technique
With the quickening of the rapid growth of Chinese national economy, especially rural area and Construction of Intercity Network transformation paces and each
Ground real estate flourishes, and the electric utility in China is developed rapidly, and is matched to push for power industry
Electrician trade, the especially development of wires and cables industry, the Cultivar development of wire and cable shows diversified trend.Electric wire
Cable develops from simple power transmission to multifunction, i.e., has been attached some new spies respectively according to different purposes
Property.Such as：Flame retardant cable, fire-resisting cable, low smoke and low halogen cable, low smoke, zero halogen cable etc..
Number of patent application is that the utility model patent of CN200920042494.4 discloses a kind of circulating low-temperature superconductive fireproof
Ultra high voltage power cable, including single power cable are externally provided with several groups circulation sub-cooled pipe in single power cable, are following
Ring sub-cooled outer tube layer is equipped with several groups fire prevention cooling tube.Circulating low-temperature super-conduction fire-resistant ultra high voltage described in the utility model is dynamic
Power cable has the characteristics that especially suitable for 35KV and the above high-voltage power cable：1. liquid nitrogen cooling cycle is automatically cooling permanent
Temperature superconductive good electrical property；2. structure is simple and novel, domestic blank has been filled up；3. environmental protection and energy saving, without the possible pollution of flame-retardant layer；
4. fire safety performance is good；5. also having antimagnetic performance simultaneously.
In equipment running process, power cable is in mobile or bending state always, avoids power cable mobile or curved
It is remained intact during folding very necessary.Each layer structure and common cable of above-mentioned power cable have no difference, work as cable folding
When, cable excessively will pressurize or stretch, and cause folding broken or fatigue damage.
Utility model content
The utility model overcomes the deficiencies in the prior art, provides the softness that each layer structure is intact when a kind of certifiable bending
The low-voltage-powered cable of type solves the problems, such as that existing power cable occurs rolling over broken or fatigue damage in bending.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of low-voltage-powered cable of soft type, including conductor, the insulating layer set gradually on conductor from inside to outside, shielding
Layer, sheath, flame-retardant layer, oversheath, oversheath include several segments oversheath connector and several segments oversheath flexible body, several
The both ends of section oversheath connector and the setting of several segments oversheath flexible body interval, oversheath connector and oversheath flexible body are equal
It is respectively arranged with engaging head and engaging slot, the engaging head on oversheath connector is sticked in the engaging of adjacent oversheath flexible body
In slot, the engaging head on oversheath flexible body is sticked in the engaging slot of adjacent oversheath connector, in oversheath flexible body
Portion is hollow structure.
As a preferred embodiment of the present invention, the shielded layer includes the copper foil layer set gradually from inside to outside, aluminium foil
Layer, copper foil layer are sheathed on insulating layer, and sheath is sheathed on aluminium foil layer.
As a preferred embodiment of the present invention, the sheath includes the damp-proof layer being arranged inside and outside, thermal insulation layer, damp-proof layer
Including be arranged inside and outside nonwoven layer, mica tape, thermal insulation layer includes the aeroge carpet veneer being arranged inside and outside, interior mineral wool rope, ceramic
Silicon rubber twining package tape.
As a preferred embodiment of the present invention, the thickness of the mica tape is 0.7~1.2mm.
As a preferred embodiment of the present invention, the flame-retardant layer includes the carbon composite layer set gradually from inside to outside, oxygen
Change magnesium flame-retardant layer, outer mineral wool rope, crosslinked polyolefin layer.
Compared with prior art, the utility model has the beneficial effects that：
1, the oversheath of the utility model includes several segments oversheath connector and several segments oversheath flexible body, due to outer
It is hollow structure inside sheath flexible body, then its bending ability is stronger.Curved one section will be needed in the power cable course of work
Oversheath be arranged to oversheath flexible body, then during bending, oversheath flexibility physical efficiency is bent power cable well, is kept away
Exempt from power cable due to bending ability is poor and the problem of roll over broken or fatigue damage.The utility model can extend making for power cable
With the service life, and the case where leaking electricity because of damaged during cable bend can be reduced, improve electrical safety.
2, shielded layer is collectively formed in copper foil layer and aluminium foil layer, so that electric wire has optimal shield effectiveness.Shielded layer and quilt
The conductor equipotential of shielding, and well contacted with insulating layer, to avoid that shelf depreciation occurs between conductor and insulating layer.
3, the damp-proof layer being collectively formed by nonwoven layer and mica tape can effectively completely cut off moisture, and moisture is avoided to invade conductor,
Guarantee cable power transmission safety.The thermal insulation layer formed by aeroge carpet veneer, interior mineral wool rope, Ceramic silicon rubber twining package tape can effectively every
Heat, avoid external high temperature melt cable the case where, avoid cable internal layer from being denaturalized at high temperature.
4, the thickness of mica tape is 0.7~1.2mm, so that mica tape has good water proof ability, and thickness is suitable for.
5, flame-retardant layer includes carbon composite layer, magnesia flame-retardant layer, mineral wool rope layer, crosslinked polyolefin layer, passes through different type
Fire proofing form flame-retardant layer, avoid single fire proofing that from cannot burning to various article and carry out fire-retardant situation, and to leading
Body carries out multilayer protection, guarantees that burning does not extend within flame-retardant layer.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the axial sectional view of the utility model；
Fig. 3 is the partial enlarged view in Fig. 2 at A.
In figure, 1- conductor, 2- insulating layer, 3- shielded layer, 4- sheath, 5- flame-retardant layer, 6- oversheath, 31- copper foil layer,
32- aluminium foil layer, 41- damp-proof layer, 42- thermal insulation layer, 51- carbon composite layer, 52- magnesia flame-retardant layer, the outer mineral wool rope of 53-, 54- crosslinking
Polyolefin layer, 61- oversheath connector, 62- oversheath flexible body, 63- engaging head, 64- engaging slot, 411- nonwoven layer,
412- mica tape, 421- aeroge carpet veneer, mineral wool rope in 422-, 423- Ceramic silicon rubber twining package tape.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Embodiment one
A kind of low-voltage-powered cable of soft type, including conductor 1, the insulating layer 2 set gradually on conductor 1 from inside to outside, screen
Layer 3, sheath 4, flame-retardant layer 5, oversheath 6 are covered, oversheath 6 includes that several segments oversheath connector 61 and several segments oversheath are soft
Property body 62, several segments oversheath connector 61 and the setting of the interval of several segments oversheath flexible body 62, oversheath connector 61 and outer
The both ends of sheath flexible body 62 are respectively arranged with engaging head 63 and engaging slot 64, and the engaging head 63 on oversheath connector 61 blocks
Together in the engaging slot 64 of adjacent oversheath flexible body 62, the engaging head 63 on oversheath flexible body 62 is sticked in adjacent outer
It is hollow structure inside oversheath flexible body 62 in the engaging slot 64 of sheath connector 61.
The oversheath 6 of the utility model includes several segments oversheath connector 61 and several segments oversheath flexible body 62, by
It is hollow structure inside oversheath flexible body 62, then its bending ability is stronger.It will need to be bent in the power cable course of work
One section of oversheath 6 be arranged to oversheath flexible body 62, then during bending, oversheath flexible body 62 can be very for power cable
It is bent well, avoids the problem that power cable rolls over broken or fatigue damage since bending ability is poor.The utility model can extend
The service life of power cable, and the case where leaking electricity because of damaged during cable bend can be reduced, improve Electrical Safety
Property.
Embodiment two
On the basis of example 1, the shielded layer 3 includes copper foil layer 31, the aluminium foil layer set gradually from inside to outside
32, copper foil layer 31 is sheathed on insulating layer 2, and sheath 4 is sheathed on aluminium foil layer 32.
Shielded layer is collectively formed in copper foil layer 31 and aluminium foil layer 32, so that electric wire has optimal shield effectiveness.Shielded layer 3 with
Shielded 1 equipotential of conductor, and well contacted with insulating layer 2, to avoid that part occurs between conductor 1 and insulating layer 2
Electric discharge.
Embodiment three
On the basis of embodiment one or embodiment two, the sheath 4 includes damp-proof layer 41, the thermal insulation layer being arranged inside and outside
42, damp-proof layer 41 includes the nonwoven layer 411 being arranged inside and outside, mica tape 412, and thermal insulation layer 42 includes the aerogel blanket being arranged inside and outside
Layer 421, interior mineral wool rope 422, Ceramic silicon rubber twining package tape 423.
Moisture can effectively be completely cut off by the damp-proof layer 41 that nonwoven layer 411 and mica tape 412 are collectively formed, moisture is avoided to invade
Conductor 1 guarantees cable power transmission safety.It is formed by aeroge carpet veneer 421, interior mineral wool rope 422, Ceramic silicon rubber twining package tape 423
Thermal insulation layer 42 can effectively it is heat-insulated, avoid external high temperature melt cable the case where, avoid cable internal layer from being denaturalized at high temperature.
Example IV
On the basis of above-mentioned any one embodiment, the thickness of the mica tape 412 is 0.7~1.2mm.Mica tape
412 thickness is 0.7~1.2mm, so that mica tape 412 has good water proof ability, and thickness is suitable for.
Embodiment five
On the basis of above-mentioned any one embodiment, the flame-retardant layer 5 is compound including the carbon set gradually from inside to outside
Layer 51, magnesia flame-retardant layer 52, outer mineral wool rope 53, crosslinked polyolefin layer 54.
Flame-retardant layer 5 includes carbon composite layer 51, magnesia flame-retardant layer 52, mineral wool rope layer 53, crosslinked polyolefin layer 54, by not
The fire proofing of same type forms flame-retardant layer, avoids single fire proofing that from cannot burning to various article and carries out fire-retardant situation,
And multilayer protection is carried out to conductor, guarantee that burning does not extend within flame-retardant layer.
Claims (5)
1. a kind of low-voltage-powered cable of soft type, which is characterized in that including conductor (1), conductor is set gradually from inside to outside on (1)
Insulating layer (2), shielded layer (3), sheath (4), flame-retardant layer (5), oversheath (6), oversheath (6) includes several segments oversheath
Connector (61) and several segments oversheath flexible body (62), several segments oversheath connector (61) and several segments oversheath flexible body
(62) interval setting, the both ends of oversheath connector (61) and oversheath flexible body (62) be respectively arranged with engage head (63) and
Engaging slot (64), the engaging head (63) on oversheath connector (61) are sticked in the engaging slot of adjacent oversheath flexible body (62)
(64) in, the engaging head (63) on oversheath flexible body (62) is sticked in the engaging slot (64) of adjacent oversheath connector (61)
It is interior, it is hollow structure inside oversheath flexible body (62).
2. the low-voltage-powered cable of a kind of soft type according to claim 1, which is characterized in that the shielded layer (3) includes
Copper foil layer (31), the aluminium foil layer (32) set gradually from inside to outside, copper foil layer (31) are sheathed on insulating layer (2), sheath (4)
It is sheathed on aluminium foil layer (32).
3. the low-voltage-powered cable of a kind of soft type according to claim 1, which is characterized in that the sheath (4) includes
Damp-proof layer (41), the thermal insulation layer (42) being arranged inside and outside, damp-proof layer (41) include the nonwoven layer (411) being arranged inside and outside, mica tape
(412), thermal insulation layer (42) includes that the aeroge carpet veneer (421), interior mineral wool rope (422), Ceramic silicon rubber that are arranged inside and outside are wrapped
Band (423).
4. the low-voltage-powered cable of a kind of soft type according to claim 3, which is characterized in that the mica tape (412)
Thickness is 0.7~1.2mm.
5. a kind of low-voltage-powered cable of soft type described in any one according to claim 1~4, which is characterized in that the resistance
Combustion layer (5) includes the carbon composite layer (51) set gradually from inside to outside, magnesia flame-retardant layer (52), outer mineral wool rope (53), crosslinking
Polyolefin layer (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820531722.3U CN208111122U (en) | 2018-04-13 | 2018-04-13 | A kind of low-voltage-powered cable of soft type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820531722.3U CN208111122U (en) | 2018-04-13 | 2018-04-13 | A kind of low-voltage-powered cable of soft type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208111122U true CN208111122U (en) | 2018-11-16 |
Family
ID=64118682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820531722.3U Expired - Fee Related CN208111122U (en) | 2018-04-13 | 2018-04-13 | A kind of low-voltage-powered cable of soft type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208111122U (en) |
-
2018
- 2018-04-13 CN CN201820531722.3U patent/CN208111122U/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: 20181116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |