CN208781595U - A kind of 1E grade K 3 genus nuclear is hung with low smoke and zero halogen moving flat cable - Google Patents
A kind of 1E grade K 3 genus nuclear is hung with low smoke and zero halogen moving flat cable Download PDFInfo
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- CN208781595U CN208781595U CN201821681910.0U CN201821681910U CN208781595U CN 208781595 U CN208781595 U CN 208781595U CN 201821681910 U CN201821681910 U CN 201821681910U CN 208781595 U CN208781595 U CN 208781595U
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Abstract
The utility model discloses a kind of 1E grade K 3 genus nuclears to hang with low smoke and zero halogen moving flat cable, including aramid fiber strengthening core, the upper and lower ends of the aramid fiber strengthening core are fixedly installed supporting plate, cable floor is fixedly installed between the left and right sides of the aramid fiber strengthening core, metal screen layer is fixedly installed on the outside of the cable floor, the supporting plate is fixedly connected far from one end of aramid fiber strengthening core with metal screen layer, armor is fixedly installed on the outside of first insulating layer, it is fixedly installed oversheath on the outside of the armor, the utility model relates to field of cable technology.A kind of 1E grade K 3 genus nuclear is hung with low smoke and zero halogen moving flat cable, it is wrapped by setting copper strips for metal screen layer, effectively the electromagnetism on the outside of cable floor can be shielded, improve the service performance of cable, the overall structural strength performance that cable can be improved by aramid fiber strengthening core and armor simultaneously makes it have the performances such as anti-twist and anti-dilatory movement.
Description
Technical field
The utility model relates to field of cable technology, specifically a kind of 1E grade K 3 genus nuclear is hung with the mobile flat electricity of low smoke and zero halogen
Cable.
Background technique
Cables of nuclear power is mainly used in reactor building, nuclear auxiliary building, steam turbine workshop, overhead cabling method one
As use pipeline or wire casing, it is desirable that cable have reliable service life, thermal stability, moisture resistance, chemical stability and resistance to spoke
Penetrating property.For the high reliability for guaranteeing system design, serious commercial consequence caused by equipment damage is avoided, is generallyd use duplicate more
Road separate lines system and device, if power cable uses two sets of separate lines systems, control cable uses three sets of separate lines
System.And core hangs and is divided into three classes with 1E grades of cables by the security class of nuclear power station electrical system equipment: Kl, K2, K3, about 1E grades
Definition be-complete that reactor emergency shut-down, containment isolation, reactor core emergency be cooling, reactor waste export, reactor peace
Full shell thermal conductivity goes out, and prevents radioactive substance to the safety level of the electrical system equipment of the functions such as ambient enviroment discharge.But it is existing
Core hang that effectiveness is poor in use with flat cable, while resisting in moving process that dilatory, distortion performance is poor, give
Using making troubles.
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 1E grade K 3 genus nuclear and hangs with the mobile flat electricity of low smoke and zero halogen
Cable solves existing core and hangs that effectiveness is poor in use with flat cable, at the same resist in moving process it is dilatory,
It is poor to distort performance, to using the problem of making troubles.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of 1E grade K 3 genus nuclear hangs use
The upper and lower ends of low smoke and zero halogen moving flat cable, including aramid fiber strengthening core, the aramid fiber strengthening core are fixedly installed supporting plate, institute
It states and is fixedly installed cable floor between the left and right sides of aramid fiber strengthening core, be fixedly installed metallic shield on the outside of the cable floor
Layer, the outside of the cable floor and is fixedly installed filled layer between metal screen layer, and the supporting plate is reinforced far from aramid fiber
One end of core is fixedly connected with metal screen layer, is fixedly installed the first insulating layer on the outside of the metal screen layer, and described
It is fixedly installed armor on the outside of one insulating layer, is fixedly installed oversheath on the outside of the armor；
The cable floor includes cable core, and the cable core is twisted by 3 conductor thread cores, and the outside of the cable core is fixed
It is provided with second insulating layer, fixed fill shares halogen-free flameproof oxygen barrier layer between the cable core and second insulating layer, and described second
Polyester belt is fixedly installed on the outside of insulating layer.
Preferably, first insulating layer, second insulating layer and oversheath are made of cross-linking polyethylene materials.
Preferably, the polyester belt is made of the copolymer of ethylene and vinyl acetate.
Preferably, the inside of the filled layer is filled with glass fiber material.
Preferably, the metal screen layer is that copper strips is wrapped, and the armor is steel band.
(3) beneficial effect
The utility model provides a kind of 1E grade K 3 genus nuclear and hangs with low smoke and zero halogen moving flat cable, has following beneficial to effect
Fruit:
A kind of 1E grade K 3 genus nuclear is hung with low smoke and zero halogen moving flat cable, and the inside middle in cable is provided with two
Aramid fiber strengthening core is fixed by being fixedly installed cable floor between the left and right sides of aramid fiber strengthening core in the outside of cable floor
It is provided with metal screen layer, metal screen layer is that copper strips is wrapped, can effectively shield to the electromagnetism on the outside of cable floor, improve line
The service performance of cable, while being fixedly connected by supporting plate with metal screen layer in the upper and lower ends of aramid fiber strengthening core, in metal
It is provided with the first insulating layer and armor on the outside of shielded layer, the whole of cable can be improved by aramid fiber strengthening core and armor and tie
Structure strength character makes it have the performances such as anti-twist and anti-dilatory movement, while internal cable floor is by cable core, insulating layer, nothing
The fire-retardant oxygen barrier layer of halogen and polyester belt composition, can make cable floor have good service performance, can be under certain particular surroundings
Mobile to use, structure design is simple and practical.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model cable schematic diagram of a layer structure.
1- aramid fiber strengthening core, 2- supporting plate, 3- cable floor, 301- cable core, 302- second insulating layer, 303- halogen-free flameproof every
Oxygen layer, 304- polyester belt, 4- filled layer, 5- metal screen layer, the first insulating layer of 6-, 7- armor, 8- oversheath.
Specific embodiment
Below in conjunction with the attached drawing in the utility model example, the technical solution in the utility model example is carried out clear, complete
Site preparation description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of 1E grade K 3 genus nuclear is hung to be moved with low smoke and zero halogen
Dynamic flat cable, including aramid fiber strengthening core 1, the upper and lower ends of aramid fiber strengthening core 1 are fixedly installed supporting plate 2, aramid fiber strengthening core 1
Be fixedly installed cable floor 3 between the left and right sides, the outside of cable floor 3 is fixedly installed metal screen layer 5, cable floor 3 it is outer
Side and filled layer 4 is fixedly installed between metal screen layer 5, supporting plate 2 one end and metallic shield far from aramid fiber strengthening core 1
Layer 5 is fixedly connected, and the stability of 3 structure of inside cable layer can be improved, make mutually to be independent of each other between cable floor 3, metal screen layer 5
Outside be fixedly installed the first insulating layer 6, the outside of the first insulating layer 6 is fixedly installed armor 7, the outside of armor 7
It is fixedly installed oversheath 8；
Cable floor 3 includes cable core 301, and cable core 301 is twisted by 3 conductor thread cores, and the outside fixation of cable core 301 is set
It is equipped with second insulating layer 302, fixed fill shares halogen-free flameproof oxygen barrier layer 303 between cable core 301 and second insulating layer 302, the
The outside of two insulating layers 302 is fixedly installed polyester belt 304.
First insulating layer 6, second insulating layer 302 and oversheath 8 are made of cross-linking polyethylene materials, with excellent resistance to
Hot, electrical insulating property, lower temperature resistance and chemical resistance, good radiation resistance.Polyester belt 304 is by ethylene and vinyl acetate
Copolymer be made, make cable that there are the performances such as excellent Flouride-resistani acid phesphatase, chemicals-resistant.
The inside of filled layer 4 is filled with glass fiber material.Metal screen layer 5 is that copper strips is wrapped, can be effectively to cable floor
The electromagnetism in outside is shielded, and the service performance of cable is improved, and armor 7 is steel band, and the intensity of cable outboard structure can be improved.
In use, two aramid fiber strengthening cores 1 are provided with by the inside middle in cable, by aramid fiber strengthening core 1
It is fixedly installed cable floor 3 between the left and right sides, is fixedly installed metal screen layer 5, metal screen layer in the outside of cable floor 3
5 is wrapped for copper strips, can effectively shield to the electromagnetism on the outside of cable floor 3, improve the service performance of cable, while adding in aramid fiber
The upper and lower ends of strong core 1 are fixedly connected by supporting plate 5 with metal screen layer 5, and the outside of metal screen layer 5 is provided with first
The overall structural strength performance of cable can be improved by aramid fiber strengthening core 1 and armor 7, make its tool for insulating layer 6 and armor 7
There are the performances such as anti-twist and anti-dilatory movement, while internal cable floor 3 is oxygen barrier by cable core 301, insulating layer 302, halogen-free flameproof
Layer 303 and polyester belt 304 form, and cable floor can be made to have good service performance, can be moved under certain particular surroundings
It uses.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
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 (5)
1. a kind of 1E grade K 3 genus nuclear is hung with low smoke and zero halogen moving flat cable, including aramid fiber strengthening core (1), it is characterised in that: described
The upper and lower ends of aramid fiber strengthening core (1) are fixedly installed supporting plate (2), solid between the left and right sides of the aramid fiber strengthening core (1)
Surely it is provided with cable floor (3), is fixedly installed metal screen layer (5) on the outside of the cable floor (3), the cable floor (3)
It outside and is fixedly installed filled layer (4) between metal screen layer (5), the supporting plate (2) is far from aramid fiber strengthening core (1)
One end is fixedly connected with metal screen layer (5), is fixedly installed the first insulating layer (6), institute on the outside of the metal screen layer (5)
It states and is fixedly installed on the outside of the first insulating layer (6) armor (7), be fixedly installed oversheath on the outside of the armor (7)
(8)；
The cable floor (3) includes cable core (301), and the cable core (301) is twisted by 3 conductor thread cores, the cable core
(301) it is fixedly installed on the outside of second insulating layer (302), fixation is filled out between the cable core (301) and second insulating layer (302)
Shared halogen-free flameproof oxygen barrier layer (303) is filled, is fixedly installed polyester belt (304) on the outside of the second insulating layer (302).
2. a kind of 1E grade K 3 genus nuclear according to claim 1 is hung with low smoke and zero halogen moving flat cable, it is characterised in that: described
First insulating layer (6), second insulating layer (302) and oversheath (8) are made of cross-linking polyethylene materials.
3. a kind of 1E grade K 3 genus nuclear according to claim 1 is hung with low smoke and zero halogen moving flat cable, it is characterised in that: described
Polyester belt (304) is made of the copolymer of ethylene and vinyl acetate.
4. a kind of 1E grade K 3 genus nuclear according to claim 1 is hung with low smoke and zero halogen moving flat cable, it is characterised in that: described
The inside of filled layer (4) is filled with glass fiber material.
5. a kind of 1E grade K 3 genus nuclear according to claim 1 is hung with low smoke and zero halogen moving flat cable, it is characterised in that: described
Metal screen layer (5) is that copper strips is wrapped, and the armor (7) is steel band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821681910.0U CN208781595U (en) | 2018-10-17 | 2018-10-17 | A kind of 1E grade K 3 genus nuclear is hung with low smoke and zero halogen moving flat cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821681910.0U CN208781595U (en) | 2018-10-17 | 2018-10-17 | A kind of 1E grade K 3 genus nuclear is hung with low smoke and zero halogen moving flat cable |
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| CN208781595U true CN208781595U (en) | 2019-04-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148490A (en) * | 2019-05-21 | 2019-08-20 | 浙江中大元通特种电缆有限公司 | A kind of resistance to compression antistatic coal mine cable |
-
2018
- 2018-10-17 CN CN201821681910.0U patent/CN208781595U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148490A (en) * | 2019-05-21 | 2019-08-20 | 浙江中大元通特种电缆有限公司 | A kind of resistance to compression antistatic coal mine cable |
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