CN209708700U - A kind of insulation medium-pressure power cable - Google Patents
A kind of insulation medium-pressure power cable Download PDFInfo
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- CN209708700U CN209708700U CN201920615374.2U CN201920615374U CN209708700U CN 209708700 U CN209708700 U CN 209708700U CN 201920615374 U CN201920615374 U CN 201920615374U CN 209708700 U CN209708700 U CN 209708700U
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- heat carrier
- oversheath
- inner sheath
- fixedly installed
- core
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Abstract
The utility model discloses a kind of insulation medium-pressure power cables, including oversheath and a plurality of cable core, the first heat carrier is fixedly installed by opening up cylindrical channel in the middle part of the inner wall of the oversheath, metal mesh shield layer is fixedly installed on the outside of the first heat carrier inside the oversheath, the outside of the oversheath interior metal net shielded layer is fixedly installed endless metal armouring by insulating coating, the cable core includes inner sheath, second heat carrier, conductor wire core, outer surface one end of the inner sheath is fixedly installed color separation item by opening up U-shaped groove, the second fiber filled layer is fixedly installed between second heat carrier and inner sheath on the outside of conductor wire core.The utility model can be in time by heat derives by the first heat carrier, the second heat carrier, and conductor wire core is set to inside inner sheath in parallel through the second fiber filled layer, and heat when power transmission can effectively be avoided to assemble to improve integral heat sink row performance.
Description
Technical field
The utility model relates to field of cable technology, specifically a kind of insulation medium-pressure power cable.
Background technique
Cable, usually by several or the cable of similar rope that several groups of conducting wires (every group at least two) are twisted, often
Mutually insulated between group conducting wire, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation.Cable tool
There are interior energization, the feature of external insulation.Existing insulation midium voltage cable is to be equipped with insulating layer in the outer surface of core to realize mostly
Its purpose, and internal is mostly solid construction, core is connected using stranded mode, can be produced because resistance consumes energy when due to power transmission
Raw a large amount of thermal energy, can not shedding for long-time heat of cable inside can seriously affect service performance, increase loss and there is fire
Calamity hidden danger, the practicability is poor.
Utility model content
The purpose of this utility model is to provide a kind of insulation medium-pressure power cables, to solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of insulation medium-pressure power cable, including outer
The inner wall middle part of sheath and a plurality of cable core, the oversheath is fixedly installed the first heat carrier by opening up cylindrical channel,
Metal mesh shield layer, the oversheath interior metal net shielding are fixedly installed inside the oversheath on the outside of first heat carrier
The outside of layer is fixedly installed endless metal armouring by insulating coating, and the cable core is fixed at the first heat carrier and gold
Belong to inside the oversheath between net shielded layer, the filling of the first fiber is fixedly installed between the cable core and metal mesh shield layer
Layer, the cable core includes inner sheath, the second heat carrier, conductor wire core, and outer surface one end of the inner sheath is by opening up U-shaped
Groove is fixedly installed color separation item, and second heat carrier is protected inside by the circular channel fixed setting opened up inside inner sheath
In the middle part of the inner wall of set, the conductor wire core is fixed between inner sheath and the second heat carrier, second heat carrier with it is interior
The second fiber filled layer is fixedly installed between sheath on the outside of conductor wire core.
Preferably, the oversheath, inner sheath are made by rubber material or pvc material, the oversheath
Internal diameter with a thickness of 2-3 times of inner sheath internal diameter thickness.
Preferably, first heat carrier, the second heat carrier outer surface be equipped with thermally conductive sheet and with fiber filled layer connect
It connects, the internal diameter of first heat carrier is greater than the internal diameter of the second heat carrier.
Preferably, the inside of the oversheath is at least provided with four cables core, four cables core in the oversheath inside
Refractory synthetic mica tape layer is fixedly installed on the outside of the first fiber filled layer.
Preferably, the first fiber filled layer, the second fiber filled layer internal material be organic fiber filling material
Material, the color separation color on four cable core outer jacket surfaces are all different.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model is in the middle part of the inner wall of oversheath by opening up channel equipped with the first heat carrier, in inner sheath inner wall
Portion is equipped with the second heat carrier, and the outer surface of the first heat carrier, the second heat carrier is equipped with thermally conductive sheet and connects with fiber filled layer
It connects, the security performance used can be enhanced when in use in time by heat derives.
2, conductor wire core is set to inside inner sheath in parallel through the second fiber filled layer, when can effectively avoid power transmission
Heat aggregation is equipped with fire resisting with the outside of the first fiber filled layer in four cables core and synthesizes to improve integral heat sink row performance
Mica belt, can effectively enhance the flame retardant property of cable, and using effect is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the side view of the utility model.
In figure: 1, oversheath；2, cable core；3, the first heat carrier；4, metal mesh shield layer；5, metal armouring；6, first
Fiber filled layer；7, inner sheath；8, the second heat carrier；9, conductor wire core；10, color separation item；11, the second fiber filled layer；12, resistance to
Fiery synthetic mica belt.
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.
Please refer to Fig. 1~2, in the utility model embodiment, a kind of insulation medium-pressure power cable, including oversheath 1 and more
Cable core 2 is fixedly installed the first heat carrier 3 by opening up cylindrical channel in the middle part of the inner wall of oversheath 1, in oversheath 1
The outside of the first heat carrier of portion 3 is fixedly installed metal mesh shield layer 4, and the outside of 1 interior metal net shielded layer 4 of oversheath passes through
Insulating coating is fixedly installed endless metal armouring 5, cable core 2 be fixed at the first heat carrier 3 and metal mesh shield layer 4 it
Between oversheath 1 inside, be fixedly installed the first fiber filled layer 6 between cable core 2 and metal mesh shield layer 4, cable core 2 wraps
Inner sheath 7, the second heat carrier 8, conductor wire core 9 are included, outer surface one end of inner sheath 7 is fixedly installed by opening up U-shaped groove
Color separation item 10, the second heat carrier 8 are fixed in the middle part of the inner wall of inner sheath 7 by the circular channel opened up inside inner sheath 7,
Conductor wire core 9 is fixed between inner sheath 7 and the second heat carrier 8, conductor wire core 9 between the second heat carrier 8 and inner sheath 7
Outside be fixedly installed the second fiber filled layer 11；Oversheath 1, inner sheath 7 are by rubber material or pvc material system
It forms, the internal diameter of oversheath 1 promotes service performance with a thickness of 2-3 times of 7 internal diameter thickness of inner sheath；First heat carrier 3,
The outer surface of two heat carriers 8 is equipped with thermally conductive sheet and connect with fiber filled layer, and it is thermally conductive that the internal diameter of the first heat carrier 3 is greater than second
The internal diameter of body 8 enhances thermal diffusivity；The inside of oversheath 1 is at least provided with four cables core 2,1 four cables core in inside of oversheath
2 and first the outside of fiber filled layer 6 be fixedly installed refractory synthetic mica tape layer 12, enhance the flame retardant property of cable；First
Fiber filled layer 6, the second fiber filled layer 11 internal material be organic fiber packing material, in four 2 outsides of cables core
10 color of color separation item on 7 surface of sheath is all different, and facilitates wiring and use.
The working principle of the utility model is: the outer surface of the first heat carrier 3, the second heat carrier 8 is equipped with thermally conductive sheet simultaneously
It connect, in time can quickly be exported heat by the first heat carrier 3, the second heat carrier 8 when use, interior shield with fiber filled layer
The conductor wire core 9 of 7 inside of set is parallel inside cable through the second fiber filled layer 11, when can effectively avoid power transmission
Heat aggregation is closed in the outside of four cables core 2 and the first fiber filled layer 6 equipped with fire resisting with improving integral heat sink row performance
At mica belt 12, it can effectively enhance the flame retardant property of cable, improve the safety used.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of insulation medium-pressure power cable, including oversheath (1) and a plurality of cable core (2), it is characterised in that: the oversheath
(1) it is fixedly installed the first heat carrier (3) in the middle part of inner wall by opening up cylindrical channel, the oversheath (1) internal first
It is fixedly installed on the outside of heat carrier (3) metal mesh shield layer (4), outside oversheath (1) the interior metal net shielded layer (4)
Side is fixedly installed endless metal armouring (5) by insulating coating, and the cable core (2) is fixed at the first heat carrier (3)
Oversheath (1) between metal mesh shield layer (4) is internal, and fixation is set between the cable core (2) and metal mesh shield layer (4)
It is equipped with the first fiber filled layer (6), the cable core (2) includes inner sheath (7), the second heat carrier (8), conductor wire core (9), institute
The outer surface one end for stating inner sheath (7) is fixedly installed color separation item (10) by opening up U-shaped groove, second heat carrier (8)
It is fixed in the middle part of the inner wall of inner sheath (7) by the circular channel opened up inside inner sheath (7), the conductor wire core (9)
It is fixed between inner sheath (7) and the second heat carrier (8), conductor wire between second heat carrier (8) and inner sheath (7)
The second fiber filled layer (11) is fixedly installed on the outside of core (9).
2. a kind of insulation medium-pressure power cable according to claim 1, it is characterised in that: the oversheath (1), inner sheath
(7) it is made by rubber material or pvc material, the internal diameter of the oversheath (1) is with a thickness of inner sheath (7) internal diameter
2-3 times of thickness.
3. a kind of insulation medium-pressure power cable according to claim 1, it is characterised in that: first heat carrier (3),
The outer surface of two heat carriers (8) is equipped with thermally conductive sheet and connect with fiber filled layer, and the internal diameter of first heat carrier (3) is greater than
The internal diameter of second heat carrier (8).
4. a kind of insulation medium-pressure power cable according to claim 1, it is characterised in that: the inside of the oversheath (1)
At least provided with four cables core (2), internal four cables core (2) of the oversheath (1) are outer with the first fiber filled layer (6)
Side is fixedly installed refractory synthetic mica tape layer (12).
5. a kind of insulation medium-pressure power cable according to claim 1 or 4, it is characterised in that: the first fiber filling
Layer (6), the second fiber filled layer (11) internal material be organic fiber packing material, four cables core (2) are external
Color separation item (10) color on inner sheath (7) surface is all different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920615374.2U CN209708700U (en) | 2019-04-30 | 2019-04-30 | A kind of insulation medium-pressure power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920615374.2U CN209708700U (en) | 2019-04-30 | 2019-04-30 | A kind of insulation medium-pressure power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209708700U true CN209708700U (en) | 2019-11-29 |
Family
ID=68649352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920615374.2U Active CN209708700U (en) | 2019-04-30 | 2019-04-30 | A kind of insulation medium-pressure power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209708700U (en) |
-
2019
- 2019-04-30 CN CN201920615374.2U patent/CN209708700U/en active Active
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