CN208385072U - A kind of preferable power cable of hardy type shielding - Google Patents
A kind of preferable power cable of hardy type shielding Download PDFInfo
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- CN208385072U CN208385072U CN201820876771.0U CN201820876771U CN208385072U CN 208385072 U CN208385072 U CN 208385072U CN 201820876771 U CN201820876771 U CN 201820876771U CN 208385072 U CN208385072 U CN 208385072U
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Abstract
The utility model discloses a kind of preferable power cables of hardy type shielding of power cable technical field, the insulating layer is provided with insulating layer far from the side of first screen layer, the insulating layer is provided with filled and process layer far from the side of insulating layer, interior protective jacket is provided at the lumen centers of the filled and process layer, secondary shielding layer is provided on the inner wall of the interior protective jacket, the inner cavity of the secondary shielding layer is provided with conductor thread core, the inner cavity of the insulating layer is provided with insulated cavity, the insulated cavity inner cavity is provided with heat insulation foam close to the side of first screen layer, the insulated cavity inner cavity is provided with moulding thermal insulation board close to the side of insulating layer, pressure-bearing rubber item is provided in left and right sidewall in the insulated cavity, fluid reservoir is provided between the moulding thermal insulation board and heat insulation foam, it is good to the shield effectiveness of interference signal, Cable can be improved for the anti-interference ability of ambient temperature and for the adaptability of extraneous low temperature environment simultaneously.
Description
Technical field
The utility model relates to power cable technical field, specially a kind of preferable power cable of hardy type shielding.
Background technique
Power cable is a kind of electricity for being synthesized together the functional groups such as power transmission and fiber optic communication or cable television
Cable adapts to telecommunications network, Broadcasting Cable Network, internet, power network etc., and multi-internet integration has been included in national strategy by China, but at present
It is necessary to have preferable cold resistance for the cable of the harsh environment extremely low for temperature, while being also required to have preferable shielding
Can, the interference of anti-stop signal, but at present on the market without such cable, for this purpose, it is proposed that a kind of hardy type shielding
Preferable power cable.
Utility model content
The purpose of this utility model is to provide a kind of preferable power cables of hardy type shielding, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of preferable electric power of hardy type shielding
Cable, including outer protective jacket are provided with first screen layer, the lateral wall of the outer protective jacket on the inner sidewall of the outer protective jacket
On be circumferentially evenly arranged with wear resistant lug, be provided with buffer groove between wear resistant lug described in two groups, described first
Shielded layer is provided with insulating layer far from the side of outer protective jacket, and the insulating layer is provided with insulation far from the side of first screen layer
Layer, the insulating layer are provided with filled and process layer far from the side of insulating layer, are arranged at the lumen centers of the filled and process layer
There is interior protective jacket, secondary shielding layer is provided on the inner wall of the interior protective jacket, the inner cavity of the secondary shielding layer, which is provided with, leads
Body core, the inner cavity of the insulating layer are provided with insulated cavity, and the insulated cavity inner cavity is set close to the side of first screen layer
It is equipped with heat insulation foam, the insulated cavity inner cavity is provided with moulding thermal insulation board close to the side of insulating layer, in the insulated cavity
It is provided with pressure-bearing rubber item in left and right sidewall, is provided with fluid reservoir between the moulding thermal insulation board and heat insulation foam.
Preferably, the insulated cavity is uniformly arranged along the circumferencial direction of insulating layer as the identical device of three groups of structures,
And the pressure-bearing rubber item in two adjacent groups insulated cavity is connected by gasket for packing, and gasket for packing is nested in the inner cavity of insulating layer.
Preferably, the fluid reservoir is provided with buffering gum cover close to the side of moulding thermal insulation board, and buffers gum cover and pass through PU
Glue-line and moulding thermal insulation board bonding.
Preferably, the inner cavity of the filled and process layer is nested with strengthening rib strip, and strengthening rib strip is along filled and process layer
Circumferencial direction is uniformly arranged.
Preferably, the junction of the insulating layer and insulating layer and filled and process layer is provided with insulation sleeve.
Preferably, the liquid of the storage tank interior is the agent of PVC cold-resistant flexible.
Compared with prior art, the utility model has the beneficial effects that
The utility model is reasonable in design, easy to use, can be carried out to extraneous interference signal by first screen layer
Preliminary shielding, insulating layer can increase the barrier effect to interference signal, realize finally by secondary shielding layer to interference signal
Interception, shield effectiveness is good, while wear resistant lug increases the anti-wear resistance of cable, by heat insulation foam in insulated cavity and
Moulding thermal insulation board can be improved cable for the anti-interference ability of ambient temperature, in addition, passing through the PVC cold-resistant flexible in fluid reservoir
The adaptability for extraneous low temperature environment can be improved in agent.
Detailed description of the invention
Fig. 1 is the utility model main view schematic diagram.
In figure: 1 outer protective jacket, 2 first screen layers, 3 wear resistant lugs, 4 buffer grooves, 5 insulating layers, 6 insulating layers, 7 fillings
Froth bed, protective jacket, 9 secondary shielding layers, 10 conductor thread cores, 11 insulated cavities, 12 moulding thermal insulation boards, 13 heat insulation foams, 14 are held in 8
Press rubber strip, 15 fluid reservoirs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of preferable power cable of hardy type shielding,
Including outer protective jacket 1, it is provided with first screen layer 2 on the inner sidewall of outer protective jacket 1, along circle on the lateral wall of outer protective jacket 1
Circumferential direction is evenly arranged with wear resistant lug 3, buffer groove 4 is provided between two groups of wear resistant lugs 3, first screen layer 2 is far from outer
The side of protective jacket 1 is provided with insulating layer 5, and insulating layer 5 is provided with insulating layer 6, insulating layer 6 far from the side of first screen layer 2
Side far from insulating layer 5 is provided with filled and process layer 7, and interior protective jacket 8 is provided at the lumen centers of filled and process layer 7, interior
Secondary shielding layer 9 is provided on the inner wall of protective jacket 8, the inner cavity of secondary shielding layer 9 is provided with conductor thread core 10, insulating layer 5
Inner cavity is provided with insulated cavity 11, and 11 inner cavity of insulated cavity is provided with heat insulation foam 13, heat-insulated sky close to the side of first screen layer 2
11 inner cavity of chamber is provided with moulding thermal insulation board 12 close to the side of insulating layer 6, is provided in the left and right sidewall in insulated cavity 11
Pressure-bearing rubber item 14 is provided with fluid reservoir 15 between moulding thermal insulation board 12 and heat insulation foam 13.
Wherein, insulated cavity 11 is uniformly arranged along the circumferencial direction of insulating layer 5 as the identical device of three groups of structures, and phase
Pressure-bearing rubber item 14 in adjacent two groups of insulated cavities 11 is connected by gasket for packing, and gasket for packing is nested in the inner cavity of insulating layer 5,
It can be improved by this set for the adaptability of temperature isolation on cable circumferencial direction, convenient for improving cable for extraneous temperature
The anti-interference ability of degree；
Fluid reservoir 15 is provided with buffering gum cover close to the side of moulding thermal insulation board 12, and buffers gum cover and pass through PU glue-line and modeling
Shape thermal insulation board 12 bonds, and fluid reservoir 15 and moulding thermal insulation board 12 can be made to connect by this set relatively stable, make fluid reservoir
Relative position between 15 and moulding thermal insulation board 12 determines；
The inner cavity of filled and process layer 7 is nested with strengthening rib strip, and strengthening rib strip is equal along the circumferencial direction of filled and process layer 7
Even setting can be filled out by this set increase filled and process layer 7 can also while having preferable anti-buffer capacity
Fill the tensile resistance of froth bed 7；
The junction of insulating layer 6 and insulating layer 5 and filled and process layer 7 is provided with insulation sleeve, can be with by this set
In conjunction with the use of cooperation first screen layer 2 and secondary shielding layer 9, cable can be increased for the anti-interference ability of outer signals；
The liquid of 15 inner cavity of fluid reservoir is the agent of PVC cold-resistant flexible, can increase cable for extraneous temperature by this set
The isolation effect of degree, to increase the isolation effect influenced on ambient temperature.
Working principle: when in use, first screen layer 2 can tentatively shield extraneous interference signal the device, absolutely
Edge layer 6 can increase the barrier effect to interference signal, realize the interception to interference signal, screen finally by secondary shielding layer 9
Cover that effect is good, by wear resistant lug 3 and buffer groove 4 with the use of increasing the anti-wear resistance of cable and impact resistance,
Heat insulation foam 13 and moulding thermal insulation board 12 in insulated cavity 11 can completely cut off temperature, and then cable can be improved for outer
The anti-interference ability of boundary's temperature, in addition, pressure-bearing rubber item 14 can provide opposite direction active force, mention when cable twists
Adaptation of the cable for extraneous low temperature environment can be improved in the high resistance to twisting property of cable, the PVC cold-resistant flexible agent in fluid reservoir 15
Property.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of preferable power cable of hardy type shielding, including outer protective jacket (1), it is characterised in that: the outer protective jacket
(1) it is provided on inner sidewall first screen layer (2), is circumferentially uniformly set on the lateral wall of the outer protective jacket (1)
It is equipped with wear resistant lug (3), is provided between wear resistant lug described in two groups (3) buffer groove (4), the first screen layer (2) is remote
Side from outer protective jacket (1) is provided with insulating layer (5), and the insulating layer (5) is provided with far from the side of first screen layer (2)
Insulating layer (6), the insulating layer (6) are provided with filled and process layer (7) far from the side of insulating layer (5), the filled and process layer
(7) it is provided at lumen centers interior protective jacket (8), is provided with secondary shielding layer (9) on the inner wall of the interior protective jacket (8),
The inner cavity of the secondary shielding layer (9) is provided with conductor thread core (10), and the inner cavity of the insulating layer (5) is provided with insulated cavity
(11), insulated cavity (11) inner cavity is provided with heat insulation foam (13), the insulated cavity close to the side of first screen layer (2)
(11) inner cavity is provided with moulding thermal insulation board (12) close to the side of insulating layer (6), the left and right sidewall in the insulated cavity (11)
On be provided with pressure-bearing rubber item (14), be provided with fluid reservoir (15) between the moulding thermal insulation board (12) and heat insulation foam (13).
2. a kind of preferable power cable of hardy type shielding according to claim 1, it is characterised in that: the heat-insulated sky
Chamber (11) is uniformly arranged along the circumferencial direction of insulating layer (5) as the identical device of three groups of structures, and two adjacent groups insulated cavity
(11) the pressure-bearing rubber item (14) in is connected by gasket for packing, and gasket for packing is nested in the inner cavity of insulating layer (5).
3. a kind of preferable power cable of hardy type shielding according to claim 1, it is characterised in that: the fluid reservoir
(15) side close to moulding thermal insulation board (12) is provided with buffering gum cover, and buffers gum cover and pass through PU glue-line and moulding thermal insulation board
(12) it bonds.
4. a kind of preferable power cable of hardy type shielding according to claim 1, it is characterised in that: the filling bubble
The inner cavity of foam layer (7) is nested with strengthening rib strip, and strengthening rib strip is uniformly arranged along the circumferencial direction of filled and process layer (7).
5. a kind of preferable power cable of hardy type shielding according to claim 1, it is characterised in that: the insulating layer
(6) and the junction of insulating layer (5) and filled and process layer (7) is provided with insulation sleeve.
6. a kind of preferable power cable of hardy type shielding according to claim 1, it is characterised in that: the fluid reservoir
(15) liquid of inner cavity is the agent of PVC cold-resistant flexible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820876771.0U CN208385072U (en) | 2018-06-07 | 2018-06-07 | A kind of preferable power cable of hardy type shielding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820876771.0U CN208385072U (en) | 2018-06-07 | 2018-06-07 | A kind of preferable power cable of hardy type shielding |
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| Publication Number | Publication Date |
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| CN208385072U true CN208385072U (en) | 2019-01-15 |
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ID=64969677
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820876771.0U Active CN208385072U (en) | 2018-06-07 | 2018-06-07 | A kind of preferable power cable of hardy type shielding |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920586A (en) * | 2019-01-29 | 2019-06-21 | 邓明星 | A kind of cable insulation material and preparation method thereof |
| CN109949995A (en) * | 2019-04-18 | 2019-06-28 | 安徽华电线缆股份有限公司 | A kind of cold-resistant outdoor electric cable |
| CN110890170A (en) * | 2019-11-11 | 2020-03-17 | 徐州迪沃通讯工程有限公司 | Environment-friendly cable with strong brittleness resistance for low-temperature environment |
| CN112735667A (en) * | 2020-12-22 | 2021-04-30 | 欧耐特线缆集团有限公司 | Shielding monitoring type cable for coal mine area and using method thereof |
| CN114388178A (en) * | 2022-01-25 | 2022-04-22 | 广东南帆电器有限公司 | Flexible insulation fireproof cable with metal sheath |
| CN115762886A (en) * | 2022-12-13 | 2023-03-07 | 山东悦森智能科技有限责任公司 | Waterproof low-voltage power cable and preparation method thereof |
-
2018
- 2018-06-07 CN CN201820876771.0U patent/CN208385072U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920586A (en) * | 2019-01-29 | 2019-06-21 | 邓明星 | A kind of cable insulation material and preparation method thereof |
| CN109949995A (en) * | 2019-04-18 | 2019-06-28 | 安徽华电线缆股份有限公司 | A kind of cold-resistant outdoor electric cable |
| CN110890170A (en) * | 2019-11-11 | 2020-03-17 | 徐州迪沃通讯工程有限公司 | Environment-friendly cable with strong brittleness resistance for low-temperature environment |
| CN112735667A (en) * | 2020-12-22 | 2021-04-30 | 欧耐特线缆集团有限公司 | Shielding monitoring type cable for coal mine area and using method thereof |
| CN114388178A (en) * | 2022-01-25 | 2022-04-22 | 广东南帆电器有限公司 | Flexible insulation fireproof cable with metal sheath |
| CN114388178B (en) * | 2022-01-25 | 2024-03-29 | 广东南帆电器有限公司 | Flexible insulating fireproof cable with metal sheath |
| CN115762886A (en) * | 2022-12-13 | 2023-03-07 | 山东悦森智能科技有限责任公司 | Waterproof low-voltage power cable and preparation method thereof |
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