CN206282643U - A kind of cable with double insulation effect - Google Patents
A kind of cable with double insulation effect Download PDFInfo
- Publication number
- CN206282643U CN206282643U CN201621420656.XU CN201621420656U CN206282643U CN 206282643 U CN206282643 U CN 206282643U CN 201621420656 U CN201621420656 U CN 201621420656U CN 206282643 U CN206282643 U CN 206282643U
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- Prior art keywords
- insulating barrier
- conductor
- inner ring
- cable
- ring
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Abstract
The utility model discloses a kind of cable with double insulation effect,Inner ring is arranged at intervals with many consistent conductors of shape,Fireprotection layer and a point insulating barrier are arranged in order and are arranged on the outer surface of conductor,Insulating barrier is divided to use silastic material,With good insulating properties,Thermal insulation,And softness is easily installed,And a point insulating barrier has good moisture resistance,Divide insulating barrier that ground floor insulation effect has been given play in inner ring,Filler uses polypropylene tearing rope material,So that cable more rounding,Improve the wearability between conductor,The outer surface of inner ring is provided with outer ring,Outer ring is provided with inner sheath and oversheath,Duplex sheath strengthens protective effect,Total insulating barrier is additionally provided between inner sheath and oversheath,Total insulating barrier uses XLPE cross-linking polyethylene materials,Possess current-carrying capacity higher,High temperature resistant,It is corrosion-resistant,Different environment can be applied to,Total insulating barrier has given play to second layer insulation effect from outer ring,So as to reach the purpose of double insulation.
Description
Technical field
The utility model is related to power cable technical field, specially a kind of cable with double insulation effect.
Background technology
Cable is typically by several or several groups of cables of the similar rope of wire stranding, between every group of wire mutually absolutely
Edge, and be often twisted into around a center, whole outside is surrounded by the coating of high-insulation.It is be erected in the air or mounted in ground more
Under, it is water-bed, for telecommunication or power Transmission, but, the maintenance work at the same time being brought is also relatively complicated, existing
Cable sets and simply simply sets a layer insulating in crust, and conductor also simply simply sets one layer of fireprotection layer, one
There is rupture in denier conductor fireprotection layer, and the electrostatic that inside is brought can puncture insulating barrier so that the phenomenon that cable is scrapped, so
Only single insulating barrier, insulation effect is far from being enough.
Utility model content
The purpose of this utility model is to provide a kind of cable with double insulation effect, possesses double insulation, resistance to height
Temperature, the characteristics of be adapted to different environment, to solve the problems, such as to be previously mentioned in above-mentioned background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of cable with double insulation effect,
Including inner ring and outer ring, the inner ring is arranged on the inwall of outer ring, and the center of circle of inner ring and outer ring is arranged concentrically, inner ring inside bag
Conductor, fireprotection layer, point insulating barrier and filler are included；The inner ring is arranged at intervals with many consistent conductors of shape, conductor loop
Shape is arranged in the inner space of inner ring, and the outer wall of conductor is evenly arranged with fireprotection layer, and the outer surface of fireprotection layer is closely connected with
Divide insulating barrier；Filler is also filled between the conductor, filler is covered with the inner space of inner ring；The outer surface of the inner ring
Outer ring is provided with, outer ring includes insulation screen, fire-retardant band inner sheath, total insulating barrier, wire armoring and oversheath；It is described
The outer wall of inner ring is uniformly socketed with insulation screen, and insulation screen is closely connected with the outer surface of inner ring, insulation screen
Outer wall is seamlessly connected fire-retardant band, and fire-retardant band outer surface is also respectively provided with inner sheath；The inner sheath is circumferentially positioned at
Gap is not produced between the outer layer of fire-retardant band, and inner sheath and fire-retardant band；The outer surface of the inner sheath is additionally provided with always
Insulating barrier, total insulating barrier is closely coupled with inner sheath, and the outer layer of total insulating barrier is provided with wire armoring；The wire armoring surround
The outer surface of total insulating barrier is arranged on, steel wire armoured outer wall is also uniformly enclosed with oversheath.
Preferably, the conductor is that cylindric, fireprotection layer and a point insulating barrier are arranged in order and are arranged on the outer surface of conductor,
Closely connection between conductor, fireprotection layer and point insulating barrier, in the absence of gap.
Preferably, described point of insulating barrier uses silastic material, total insulating barrier to use XLPE cross-linking polyethylene materials.
Preferably, the filler filling is covered with the circularity in the gap between the inwall of inner ring and conductor, inner ring and outer ring
It is arranged on 8%~10%.
Preferably, the center of circle of the insulation screen, fire-retardant band, inner sheath, total insulating barrier, wire armoring and oversheath
It is arranged at same point.
Preferably, the fireprotection layer uses phenolic resin composite, filler to use polypropylene tearing rope material, insulation
Screen layer uses semiconducting paper band, wire armoring to use galvanized steel strip.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the cable with double insulation effect of the present utility model, including inner ring and outer ring, inner ring are arranged on outer ring
Inwall, and the center of circle of inner ring and outer ring is arranged concentrically, and conductor, fireprotection layer, point insulating barrier and filler are included inside inner ring；It is interior
Circle is arranged at intervals with many consistent conductors of shape, and conductor loop is arranged in the inner space of inner ring, and the outer wall of conductor is uniform
Fireprotection layer is provided with, the outer surface of fireprotection layer is closely connected with a point insulating barrier；Conductor be cylindric, fireprotection layer and point insulating barrier according to
The secondary outer surface for arranging and being arranged on conductor, closely connection, in the absence of gap, protects between conductor, fireprotection layer and point insulating barrier
The global density for having demonstrate,proved cable is higher, gives full play to the good electric conductivity of conductor, and filler uses polypropylene tearing rope material,
So that cable more rounding, improves the wearability between conductor, filler filling is covered between the inwall of inner ring and conductor
The circularity of gap, inner ring and outer ring is maintained at 8%~10%, cable can be allowed integrally to present cylindric, convenient maintenance, changes,
Point insulating barrier uses silastic material, and operating temperature is between -80 ° to 180 °, with good insulating properties, thermal insulation and
Softness is easily installed, the outer wall of the conductor that can closely fit, divide in addition insulating barrier have good moisture resistance, it is nontoxic, without danger
Evil, can give play to ground floor insulation effect in inner ring.
2nd, the cable with double insulation effect of the present utility model, the outer surface of inner ring is provided with outer ring, and outer ring includes
There are insulation screen, fire-retardant band inner sheath, total insulating barrier, wire armoring and oversheath；It is insulation screen, fire-retardant band, interior
The center of circle of sheath, total insulating barrier, wire armoring and oversheath is arranged at same point, and closely connection each other, it is ensured that
Cable integrally possesses high density, keeps good electric conductivity, insulation screen to use semiconducting paper band, prevent inner conductor
Shelf depreciation is carried out, cable endosomal compartment is damaged, wire armoring uses galvanized steel strip, it is ensured that cable is set to be had well
Resisting longitudinal pulling force, improves cable stress degree, extends cable service life, and inner sheath and oversheath are additionally provided with outer ring, double
Layer sheath strengthens protective effect, improves insulation effect, and total insulating barrier is additionally provided between inner sheath and oversheath, and total insulating barrier is adopted
XLPE cross-linking polyethylene materials are used, possesses current-carrying capacity and excellent fire resistance higher, and high temperature resistant, corrosion-resistant, energy
Enough to be applied to different environment well, total insulating barrier has given play to second layer insulation effect from outer ring, so as to reach double insulation
Purpose.
Brief description of the drawings
Fig. 1 is the utility model internal cross section structural representation；
Fig. 2 is the utility model surface structure schematic diagram.
In figure：1 inner ring, 11 conductors, 12 fireprotection layers, 13 points of insulating barriers, 14 fillers, 2 outer rings, 20 insulation screens, 21
Fire-retardant band, 22 inner sheaths, 23 total insulating barriers, 24 wire armorings, 25 oversheaths.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-2, a kind of cable with double insulation effect, including inner ring 1 and outer ring 2 are referred to, inner ring 1 is set outside
2 inwall is enclosed, and the center of circle of inner ring 1 and outer ring 2 is arranged concentrically, and conductor 11, fireprotection layer 12, point insulation are included inside inner ring 1
Layer 13 and filler 14；Inner ring 1 is arranged at intervals with many consistent conductors of shape 11, and conductor 11 plays power Transmission in inner ring 1
Effect, in the inner space of inner ring 1, the outer wall of conductor 11 is evenly arranged with fireprotection layer 12 to the annular array of conductor 11, fire prevention
The outer surface of layer 12 is closely connected with point insulating barrier 13；Conductor 11 is that cylindric, fireprotection layer 12 and a point insulating barrier 13 are arranged in order
And the outer surface of conductor 11 is arranged on, fireprotection layer 12 uses phenolic resin composite, with good mechanical strength, resistance to height
Temperature, can be effectively protected conductor 11, closely connection between conductor 11, fireprotection layer 12 and point insulating barrier 13, in the absence of gap,
Ensure that the global density of cable is higher, give full play to the good electric conductivity of conductor 11, point insulating barrier 13 uses silicon rubber material
Material, operating temperature is between -80 ° to 100 °, is easily installed with good insulating properties, thermal insulation and softness, can be tight
The outer wall of close laminating conductor 11, divides insulating barrier 13 to have good moisture resistance, nontoxic, non-hazardous in addition, can be in inner ring 1
Ground floor insulation effect is given play to, filler 14 has been also filled between conductor 11, filler 14 has been covered with the inner space of inner ring 1,
Filler 14 uses polypropylene tearing rope material so that cable more rounding, improves the wearability between conductor 11, filler
14 fillings are covered with gap between the inwall of inner ring 1 and conductor 11, and the circularity of inner ring 1 and outer ring 2 is maintained at 8%~10%, can
Cylindric to allow cable integrally to present, convenient maintenance is changed, and the outer surface of inner ring 1 is provided with outer ring 2, and outer ring 2 includes insulation
Screen layer 20, the inner sheath 22 of fire-retardant band 21, total insulating barrier 23, wire armoring 24 and oversheath 25；It is insulation screen 20, fire-retardant
The center of circle of band 21, inner sheath 22, total insulating barrier 23, wire armoring 24 and oversheath 25 is arranged at same point, and mutually it
Between closely connection, it is ensured that cable integrally possesses high density, keeps good electric conductivity, and insulation screen 20 is using partly leading
Body paper tape, prevents inner conductor 11 from carrying out shelf depreciation, damages cable endosomal compartment, and wire armoring 24 uses galvanized steel strip, can
To ensure that cable is set with good resisting longitudinal pulling force, cable stress degree is improved, extend cable service life, in outer ring 2
Inner sheath 22 and oversheath 25 are additionally provided with, total insulating barrier 23, total insulating barrier are additionally provided between inner sheath 22 and oversheath 25
23 use XLPE cross-linking polyethylene materials, possess current-carrying capacity and excellent fire resistance and high temperature resistant, corrosion resistant higher
Lose, can be good at being applied to different environment, total insulating barrier 23 has given play to second layer insulation effect from outer ring 2, so as to reach
The purpose of double insulation, the outer wall of inner ring 1 is uniformly socketed with the outer surface of insulation screen 20, insulation screen 20 and inner ring 1
Closely connection, the outer wall of insulation screen 20 is seamlessly connected fire-retardant band 21, and the outer surface of fire-retardant band 21 is also respectively provided with
Inner sheath 22；Inner sheath 22 is circumferentially positioned between the outer layer of fire-retardant band 21, and inner sheath 22 and fire-retardant band 21 and does not produce
Gap；The outer surface of inner sheath 22 is additionally provided with total insulating barrier 23, and total insulating barrier 23 is closely coupled with inner sheath 22, total insulating barrier
23 outer layer is provided with wire armoring 24；Wire armoring 24 is circumferentially positioned at the outer surface of total insulating barrier 23, wire armoring 24
Outer wall is also uniformly enclosed with oversheath 25, and duplex sheath strengthens protective effect, improves insulation effect.
In sum：This has the cable of double insulation effect, including inner ring 1 and outer ring 2, and inner ring 1 is arranged on outer ring 2
Inwall, includes conductor 11, fireprotection layer 12, point insulating barrier 13 and filler 14 inside inner ring 1, the annular array of conductor 11 is in inner ring
In 1 inner space, conductor 11 is that cylindric, fireprotection layer 12 and a point insulating barrier 13 are arranged in order and are arranged on the appearance of conductor 11
Face, closely connection between conductor 11, fireprotection layer 12 and point insulating barrier 13, in the absence of gap, it is ensured that the global density of cable
It is higher, the good electric conductivity of conductor 11 is given full play to, a point insulating barrier 13 uses silastic material, and operating temperature is in -80 ° extremely
Between 180 °, with good insulating properties, thermal insulation, softness and it is easily installed, the outer wall of the conductor 11 that can closely fit, separately
Point insulating barrier 13 has good moisture resistance, nontoxic, non-hazardous outward, and ground floor insulation effect can have been given play in inner ring 1；Fill out
Fill thing 14 and use polypropylene tearing rope material so that cable more rounding, improve the wearability between conductor 11, filler 14
Filling is covered with the gap between the inwall of inner ring 1 and conductor 11 so that the circularity of inner ring 1 and outer ring 2 is maintained at 8%~10%,
Cable can be allowed integrally to present cylindric, convenient maintenance is changed, and the outer surface of inner ring 1 is provided with outer ring 2, and outer ring 2 includes absolutely
Edge screen layer 20, fire-retardant band 21, inner sheath 22, total insulating barrier 23, wire armoring 24 and oversheath 25；Insulation screen 20,
The center of circle of fire-retardant band 21, inner sheath 22, total insulating barrier 23, wire armoring 24 and oversheath 25 is arranged at same point, and phase
Closely connection between mutually, it is ensured that cable integrally possesses high density, keeps good electric conductivity, insulation screen 20 to use
Semiconducting paper band, prevents inner conductor 11 from carrying out shelf depreciation, damages cable endosomal compartment, and wire armoring 24 uses galvanized steel
Band, it is ensured that cable is set has good resisting longitudinal pulling force, improves cable stress degree, extends cable service life, outward
Inner sheath 22 and oversheath 25 are additionally provided with circle 2, duplex sheath strengthens protective effect, improves insulation effect, the He of inner sheath 22
Total insulating barrier 23 is additionally provided between oversheath 25, total insulating barrier 23 uses XLPE cross-linking polyethylene materials, possesses load higher
Flow and excellent fire resistance, and high temperature resistant, it is corrosion-resistant, can be good at being applied to different environment, total insulating barrier
23 have given play to second layer insulation effect from outer ring 2, so as to reach the purpose of double insulation.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of cable with double insulation effect, including inner ring (1) and outer ring (2), it is characterised in that：The inner ring (1)
The inwall of outer ring (2) is arranged on, and the center of circle of inner ring (1) and outer ring (2) is arranged concentrically, and conductor is included inside inner ring (1)
(11), fireprotection layer (12), point insulating barrier (13) and filler (14)；It is consistent that the inner ring (1) is arranged at intervals with many shapes
Conductor (11), in the inner space of inner ring (1), the outer wall of conductor (11) is evenly arranged with fireprotection layer to conductor (11) annular array
(12), the outer surface of fireprotection layer (12) is closely connected with a point insulating barrier (13)；Filler is also filled between the conductor (11)
(14), filler (14) is covered with the inner space of inner ring (1)；The outer surface of the inner ring (1) is provided with outer ring (2), outer ring (2)
Include insulation screen (20), fire-retardant band (21) inner sheath (22), total insulating barrier (23), wire armoring (24) and oversheath
(25)；The outer wall of the inner ring (1) is uniformly socketed with the appearance of insulation screen (20), insulation screen (20) and inner ring (1)
Face closely connects, and the outer wall of insulation screen (20) is seamlessly connected fire-retardant band (21), and fire-retardant band (21) outer surface is also divided
Inner sheath (22) is not provided with；The inner sheath (22) is circumferentially positioned at the outer layer of fire-retardant band (21), and inner sheath (22) with
Gap is not produced between fire-retardant band (21)；The outer surface of the inner sheath (22) is additionally provided with total insulating barrier (23), total insulation
Layer (23) is closely coupled with inner sheath (22), and the outer layer of total insulating barrier (23) is provided with wire armoring (24)；The wire armoring
(24) outer surface of total insulating barrier (23) is circumferentially positioned at, the outer wall of wire armoring (24) is also uniformly enclosed with oversheath (25).
2. a kind of cable with double insulation effect according to claim 1, it is characterised in that：The conductor (11) is
Cylindric, fireprotection layer (12) and a point insulating barrier (13) are arranged in order and are arranged on the outer surface of conductor (11), conductor (11), fire prevention
Closely connection between layer (12) and point insulating barrier (13), in the absence of gap.
3. a kind of cable with double insulation effect according to claim 1, it is characterised in that：Described point of insulating barrier
(13) silastic material is used, total insulating barrier (23) uses XLPE cross-linking polyethylene materials.
4. a kind of cable with double insulation effect according to claim 1, it is characterised in that：The filler (14)
Filling is covered with gap between the inwall of inner ring (1) and conductor (11), and the circularity of inner ring (1) and outer ring (2) is arranged on 8%~
10%.
5. a kind of cable with double insulation effect according to claim 1, it is characterised in that：The insulation screen
(20), the center of circle of fire-retardant band (21), inner sheath (22), total insulating barrier (23), wire armoring (24) and oversheath (25) is all provided with
Put in same point.
6. a kind of cable with double insulation effect according to claim 1, it is characterised in that：The fireprotection layer (12)
Using phenolic resin composite, filler (14) uses polypropylene tearing rope material, insulation screen (20) to use semiconductor
Paper tape, wire armoring (24) uses galvanized steel strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621420656.XU CN206282643U (en) | 2016-12-22 | 2016-12-22 | A kind of cable with double insulation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621420656.XU CN206282643U (en) | 2016-12-22 | 2016-12-22 | A kind of cable with double insulation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206282643U true CN206282643U (en) | 2017-06-27 |
Family
ID=59072787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621420656.XU Expired - Fee Related CN206282643U (en) | 2016-12-22 | 2016-12-22 | A kind of cable with double insulation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206282643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107393636A (en) * | 2017-08-25 | 2017-11-24 | 贵州固达电缆有限公司 | A kind of compact mine cable |
-
2016
- 2016-12-22 CN CN201621420656.XU patent/CN206282643U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107393636A (en) * | 2017-08-25 | 2017-11-24 | 贵州固达电缆有限公司 | A kind of compact mine cable |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20171222 |