CN208706301U - A kind of safety-type cross-linked polyethylene insulated cable - Google Patents
A kind of safety-type cross-linked polyethylene insulated cable Download PDFInfo
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- CN208706301U CN208706301U CN201821320468.9U CN201821320468U CN208706301U CN 208706301 U CN208706301 U CN 208706301U CN 201821320468 U CN201821320468 U CN 201821320468U CN 208706301 U CN208706301 U CN 208706301U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model provides a kind of safety-type cross-linked polyethylene insulated cable, it is related to field of cables, including cable body, cable body includes Ceramic silicon rubber layer, and sheath is provided on the inside of the Ceramic silicon rubber layer, is provided with waterproof layer on the inside of the sheath, heat-insulated filled layer is provided on the inside of the waterproof layer, it is provided with wearing layer on the inside of the heat-insulated filled layer, insulating layer is provided on the inside of the wearing layer, is provided with shielded layer on the inside of the insulating layer.The safety-type cross-linked polyethylene insulated cable; pass through the setting of Ceramic silicon rubber layer; Ceramic silicon rubber layer has good flexibility and elasticity; have the characteristic of usual silicone rubber, it can be under 350~3000 DEG C, the ablation time of flame 3min or more; the ablated shell for being converted to ceramic-like; one layer of hard protective layer is formed, plays the role of completely cutting off extraneous flame, so that the object that protection is burnt is not damaged.
Description
Technical field
The utility model relates to field of cable technology, specially a kind of safety-type cross-linked polyethylene insulated cable.
Background technique
Crosslinked cable typically refers to the insulating layer of cable using cross-linked material.Most common material is crosslinked polyethylene, mistake
Journey is that the polythene material of linearity molecular structure is formed it into the netted branching structure of solid type by specific processing method
Crosslinked polyethylene.So that operating temperature is allowed to be increased to 90 DEG C by 70 DEG C for a long time, short circuit allows temperature to be increased to 250 by 140 DEG C
DEG C, under the premise of keeping its original superior electrical performance, greatly increase actual use performance.
Twisted polyethylene cable accelerates insulation ag(e)ing because the factors such as moist and immersion generate water tree and electricity tree, causes to insulate
Resistance decline, cable breakdown and cause loss caused by fire and get worse, seriously affected industrial or agricultural expanding economy and
The life of the people, twisted polyethylene cable its service life of especially medium and high voltage cable usually determine by the degree of aging to insulate, and exhausted
Edge degree of aging is influenced by water tree and electricity tree again, so reducing insulation moisture content is to improve crosslinked polyetylene insulated electric power
One of the method for cable service life, in particular with the raising of voltage class, cable block-water performance and fire resistance are also got over
Come more important.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of safety-type cross-linked polyethylene insulated cable, solves
The problems mentioned above in the background art.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of safety-type poly- second of crosslinking
Alkene insulated cable, including cable body, cable body include Ceramic silicon rubber layer, are set on the inside of the Ceramic silicon rubber layer
It is equipped with sheath, waterproof layer is provided on the inside of the sheath, heat-insulated filled layer is provided on the inside of the waterproof layer, it is described heat-insulated
It is provided with wearing layer on the inside of filled layer, insulating layer is provided on the inside of the wearing layer, is provided on the inside of the insulating layer
Shielded layer, the shielded layer are internally provided with cable conductor, and the side of the cable body is equipped with bindiny mechanism.
Preferably, bindiny mechanism includes insulation connecting cylinder, and the inside of the insulation connecting cylinder is fixedly connected with installation connection
Conductor, the cable conductor extend to the inside of insulation connecting cylinder and are connected with each other with installation connection conductor.
Preferably, bindiny mechanism further includes protective coat, and the side of the protective coat is fixedly connected with cable body, institute
State and be fixedly connected with insulation sleeve on the inner wall of protective coat, it is described insulation connecting cylinder outside and be located at insulation sleeve side fix
It is connected with water-absorbing resin block.
Preferably, installation fixed ring is fixedly connected on the outside of the protective coat, the inside of the installation fixed ring is opened
Equipped with mounting hole, and mounting hole is internally provided with fixing bolt, is provided between the fixing bolt and installation fixed ring tight
Gu pad.
Preferably, the heat-insulated filled layer is internally provided with water-suction rope, the water-suction rope woven using water-absorbent material and
At, and water-suction rope is evenly distributed in the inside of heat-insulated filled layer.
Preferably, armor is provided between the Ceramic silicon rubber layer and sheath, the armor uses galvanized steel
Band armouring.
(3) beneficial effect
The utility model provides a kind of safety-type cross-linked polyethylene insulated cable.Have it is following the utility model has the advantages that
1, the safety-type cross-linked polyethylene insulated cable passes through the setting of Ceramic silicon rubber layer, Ceramic silicon rubber layer
With good flexibility and elasticity, have the characteristic of usual silicone rubber, can be at 350~3000 DEG C, flame 3min or more
Under the ablation time, the ablated shell for being converted to ceramic-like forms one layer of hard protective layer, plays the work for completely cutting off extraneous flame
With then by the setting of heat-insulated filled layer, can be carried out effectively heat-insulated, energy so that the object that is burnt of protection is not damaged
High temperature outside enough effective mitigations effectively raises the fire resistance of the cable, reduces fire to internal influence
Danger coefficient can effectively improve the waterproof performance of the cable, pass through the setting of water-suction rope, energy by the setting of waterproof layer
It is enough that effectively moisture is absorbed, greatly improve the waterproof performance of the cable.
2, the safety-type cross-linked polyethylene insulated cable, by the setting of armor, which is galvanized steel strip, is used
Galvanized steel strip armouring, as the protective layer of cable, Corrosion Protection is strong, so that cable is amenable to extraneous biggish destructive power, prevents
The immersion of water and moisture, even if cable is by biggish pressure and impact force, cable is also not easy breakdown, greatly improves
Security performance, while sheathed structure makes cable be isolated from the outside, even if armor improves the flame-retardant of cable in fire
Rank reduces the danger coefficient of fire.
3, the safety-type cross-linked polyethylene insulated cable is needing to carry out two cables by the setting of bindiny mechanism
When connection, easily two cables can be connected with each other, pass through insulation sleeve inside bindiny mechanism and protective coat
Setting, can effectively protect junction, by the setting of water-absorbing resin block, can prevent Water deep leaching, effectively
Improve security performance.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model cable body structural schematic diagram.
In figure: 1 cable body, 2 cable conductors, 3 insulation connecting cylinders, 4 fastening pads, 5 water-absorbing resin blocks, 6 fixing bolts, 7
Install fixed ring, 8 protective coats, 9 insulation sleeves, 10 installation connection conductors, 11 sheaths, 12 armors, 13 Ceramic silicon rubber layers,
14 waterproof layers, 15 water-suction ropes, 16 heat-insulated filled layers, 17 wearing layers, 18 insulating layers, 19 shielded layers.
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.
The utility model embodiment provides a kind of safety-type cross-linked polyethylene insulated cable, as shown in Figs. 1-2, including cable
Ontology 1, cable body 1 include Ceramic silicon rubber layer 13, and the inside of Ceramic silicon rubber layer 13 is provided with sheath 11, ceramic
Armor 12 is provided between silastic-layer 13 and sheath 11, armor 12 uses galvanized steel strip armouring, passes through armor 12
Setting, the armor 12 are galvanized steel strip, and using galvanized steel strip armouring, as the protective layer of cable, Corrosion Protection is strong, makes electricity
Cable is amenable to extraneous biggish destructive power, prevents the immersion of water and moisture, even if cable is by biggish pressure and impact force,
Cable is also not easy breakdown, security performance is greatly improved, while sheathed structure makes cable be isolated from the outside, even if in fire
When, armor 12 improves the flame-retardant rank of cable, reduces the danger coefficient of fire, and the inside of sheath 11 is provided with anti-
Water layer 14, the inside of waterproof layer 14 are provided with heat-insulated filled layer 16, and heat-insulated filled layer 16 is internally provided with water-suction rope 15, water suction
Rope 15 is woven using water-absorbent material, and water-suction rope 15 is evenly distributed in the inside of heat-insulated filled layer 16, heat-insulated filled layer
16 inside is provided with wearing layer 17, and the inside of wearing layer 17 is provided with insulating layer 18, and the inside of insulating layer 18 is provided with shielding
Layer 19, shielded layer 19 is internally provided with cable conductor 2, and the side of cable body 1 is equipped with bindiny mechanism, passes through ceramic SiClx
The setting of rubber layer 13, Ceramic silicon rubber layer 13 have good flexibility and elasticity, have the characteristic of usual silicone rubber, energy
Enough under 350~3000 DEG C, the ablation time of flame 3min or more, the ablated shell for being converted to ceramic-like forms one layer of heavily fortified point
Hard protective layer plays the role of the extraneous flame of isolation so that the object that protection is burnt is not damaged and then passes through heat-insulated filling
The setting of layer 16, can be carried out effectively heat-insulated, can effectively mitigate external high temperature to internal influence, effective to improve
The fire resistance of the cable, reduces the danger coefficient of fire, by the setting of waterproof layer 14, can effectively improve the electricity
The waterproof performance of cable can effectively absorb moisture by the setting of water-suction rope 15, greatly improve the cable
Waterproof performance.
Bindiny mechanism includes insulation connecting cylinder 3, and the inside of insulation connecting cylinder 3 is fixedly connected with installation connection conductor 10, electricity
Cable conductor 2 extends to the inside of insulation connecting cylinder 3 and is connected with each other with installation connection conductor 10, and bindiny mechanism further includes that protection is outer
Set 8, the side of protective coat 8 is fixedly connected with cable body 1, insulation sleeve 9 is fixedly connected on the inner wall of protective coat 8, absolutely
The outside of edge connecting cylinder 3 and the side for being located at insulation sleeve 9 are fixedly connected with water-absorbing resin block 5, and the outside of protective coat 8 is fixed to be connected
It is connected to installation fixed ring 7, the inside of installation fixed ring 7 offers mounting hole, and mounting hole is internally provided with fixing bolt 6,
Be provided with fastening pad 4 between fixing bolt 6 and installation fixed ring 7, by the setting of bindiny mechanism, need to two cables into
When row connection, easily two cables can be connected with each other, pass through the insulation sleeve 9 and protective coat inside bindiny mechanism
8 setting can effectively protect junction, by the setting of water-absorbing resin block 5, can prevent Water deep leaching, have
Effect improves security performance.
In conclusion the safety-type cross-linked polyethylene insulated cable, passes through the setting of Ceramic silicon rubber layer 13, ceramic
Silastic-layer 13 has good flexibility and elasticity, has the characteristic of usual silicone rubber, can be at 350~3000 DEG C, flame
Under the ablation time of 3min or more, the ablated shell for being converted to ceramic-like forms one layer of hard protective layer, and it is outer to play isolation
The effect of boundary's flame, so that the object that protection is burnt is not damaged, it, can be effective then by the setting of heat-insulated filled layer 16
It is thermally shielded, can effectively mitigate external high temperature to internal influence, effectively raise the fire resistance of the cable, drop
The low danger coefficient of fire can effectively improve the waterproof performance of the cable, pass through water suction by the setting of waterproof layer 14
The setting of rope 15, can effectively absorb moisture, greatly improve the waterproof performance of the cable.
The safety-type cross-linked polyethylene insulated cable, by the setting of armor 12, which is galvanized steel strip, is adopted
With galvanized steel strip armouring, as the protective layer of cable, Corrosion Protection is strong, so that cable is amenable to extraneous biggish destructive power, prevents
The immersion of sealing and moisture, even if cable is by biggish pressure and impact force, cable is also not easy breakdown, greatly improves
Security performance, while sheathed structure makes cable be isolated from the outside, even if armor 12 improves the fire-retardant of cable in fire
Fire resisting rank reduces the danger coefficient of fire.
Also, the safety-type cross-linked polyethylene insulated cable, by the setting of bindiny mechanism, need to two cables into
When row connection, easily two cables can be connected with each other, pass through the insulation sleeve 9 and protective coat inside bindiny mechanism
8 setting can effectively protect junction, by the setting of water-absorbing resin block 5, can prevent Water deep leaching, have
Effect improves security performance.
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 safety-type cross-linked polyethylene insulated cable, including cable body (1), it is characterised in that: cable body (1) includes
Ceramic silicon rubber layer (13) is provided with sheath (11) on the inside of the Ceramic silicon rubber layer (13), the sheath (11)
Inside is provided with waterproof layer (14), is provided with heat-insulated filled layer (16) on the inside of the waterproof layer (14), the heat-insulated filled layer
(16) it is provided on the inside of wearing layer (17), is provided with insulating layer (18), the insulating layer on the inside of the wearing layer (17)
(18) it is provided on the inside of shielded layer (19), the shielded layer (19) is internally provided with cable conductor (2), the cable body
(1) side is equipped with bindiny mechanism.
2. a kind of safety-type cross-linked polyethylene insulated cable according to claim 1, it is characterised in that: bindiny mechanism includes
It insulate connecting cylinder (3), the inside of insulation connecting cylinder (3) is fixedly connected with installation connection conductor (10), the cable conductor
(2) it extends to the inside of insulation connecting cylinder (3) and is connected with each other with installation connection conductor (10).
3. a kind of safety-type cross-linked polyethylene insulated cable according to claim 2, it is characterised in that: bindiny mechanism also wraps
Include protective coat (8), the side of the protective coat (8) is fixedly connected with cable body (1), the protective coat (8) it is interior
Be fixedly connected on wall insulation sleeve (9), it is described insulation connecting cylinder (3) outside and be located at insulation sleeve (9) side be fixedly connected
There are water-absorbing resin block (5).
4. a kind of safety-type cross-linked polyethylene insulated cable according to claim 3, it is characterised in that: the protective coat
(8) installation fixed ring (7) is fixedly connected on the outside of, the inside of installation fixed ring (7) offers mounting hole, and mounting hole
Be internally provided with fixing bolt (6), the fixing bolt (6) and installation fixed ring (7) between be provided with fastening pad (4).
5. a kind of safety-type cross-linked polyethylene insulated cable according to claim 1, it is characterised in that: the heat-insulated filling
Layer (16) is internally provided with water-suction rope (15), and the water-suction rope (15) is woven using water-absorbent material, and water-suction rope (15)
It is evenly distributed in the inside of heat-insulated filled layer (16).
6. a kind of safety-type cross-linked polyethylene insulated cable according to claim 1, it is characterised in that: the ceramics SiClx
It is provided between rubber layer (13) and sheath (11) armor (12), the armor (12) uses galvanized steel strip armouring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821320468.9U CN208706301U (en) | 2018-08-16 | 2018-08-16 | A kind of safety-type cross-linked polyethylene insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821320468.9U CN208706301U (en) | 2018-08-16 | 2018-08-16 | A kind of safety-type cross-linked polyethylene insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208706301U true CN208706301U (en) | 2019-04-05 |
Family
ID=65943327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821320468.9U Active CN208706301U (en) | 2018-08-16 | 2018-08-16 | A kind of safety-type cross-linked polyethylene insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208706301U (en) |
-
2018
- 2018-08-16 CN CN201821320468.9U patent/CN208706301U/en active Active
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