CN205582613U - Zip fastener formula sleeve pipe internal shield railway digital signal cable - Google Patents
Zip fastener formula sleeve pipe internal shield railway digital signal cable Download PDFInfo
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- CN205582613U CN205582613U CN201620406995.6U CN201620406995U CN205582613U CN 205582613 U CN205582613 U CN 205582613U CN 201620406995 U CN201620406995 U CN 201620406995U CN 205582613 U CN205582613 U CN 205582613U
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- sleeve pipe
- digital signal
- zip mode
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Abstract
The utility creatively provides a zip fastener formula sleeve pipe internal shield railway digital signal cable, including cable core and the sheath of cladding in the cable core outside, the cable core includes at least one shielding quad, should shield the quad including the insulated conductors of four different colours of stranding mutually, the outside from interior to exterior of insulated conductors is equipped with in proper order and pricks yarn layer, inboard non -hyproscopic insulating layer, zip fastener formula sleeve pipe shielding layer and outside non -hyproscopic insulating layer, sheath from interior to exterior includes in proper order that the PET area is around covering, aluminium sheath layer, bonding sheath, armor and oversheath layer. The utility model discloses creating and adopting zip fastener formula sleeve pipe shielding layer, production efficiency is high, and the steady quality is easily installed and is dismantled, convenient to use, and bending property is gone with by tensile strength, has highly sensitive electromagnetic interference shield function. The cable core sets up the sheath outward makes the cable have superior shielding, temperature resistant, protection against the tide, resistance to compression, prevent the animal tooth to sting the function, and satisfy high -speed railway and the requirement to the cable is drawn in the heavy load.
Description
Technical field
The invention belongs to railway digital signal cable technical field, especially relates to a kind of zip mode set
Tube inner shield railway digital signal cable.
Background technology
Along with the repeatedly speed-raising of railway and going into operation successively of Line for Passenger Transportation, the high-speed railway of China
Tremendous development will be obtained.Safety and comfortableness are had higher requirement by high-speed railway,
In existing internal screening railway digital signal cable production process, the cladding of shielding mainly use wrapped or
The mode of vertical bag, the internal screening railway digital signal cable using both modes to produce, often occur
The quality problems that copper strips broken belt or copper strips seam crossing split, owing to can not find copper strips broken belt point and copper in time
Band seam crossing splitting point, therefore, extremely difficult when searching broken belt point or seam crossing cracking point, and
Shielding quad is after pullling repeatedly, it is also difficult to ensure its quality, especially for
For the most unskilled operative employee, waste time and energy especially, increase the manufacturing cost of cable.
Summary of the invention
In view of this, the invention is defect of the prior art when being intended to overcome upper, proposes a kind of slide fastener
Formula sleeve pipe internal screening railway digital signal cable.
For reaching above-mentioned purpose, the technical scheme of the invention is achieved in that
A kind of zip mode sleeve pipe internal screening railway digital signal cable, including cable core and be coated on outside cable core
The sheath in portion；Described cable core includes that at least one shields quad, and this shielding quad includes mutually stranded
The insulated single wire of four different colours, is sequentially provided with bundle layer, interior from the inside to the outside outside described insulated single wire
Side non-hygroscopic insulating barrier, zip mode liner shields layer and outside non-hygroscopic insulating barrier；Described sheath by
Interior to including PET strip lapping layer, aluminium sheath layer, bonding sheath, armor and external sheath layer successively outward.
Further, described insulated single wire by copper conductor and is coated on the insulating barrier outside this copper conductor and forms.
Further, described insulating barrier is the physical blowing structure that skin-bubble-skin is three-layer co-extruded.
Further, described zip mode liner shields layer includes the crocheted net of copper free wire crocheted of inner side
And the polyester multifilament braid outside crocheted net, set along described zip mode liner shields layer length direction
It is equipped with slide fastener.
Further, it is provided with between described inner side non-hygroscopic insulating barrier and zip mode liner shields layer and lets out
Current wire.
Further, described bonding sheath is bonding sheath.
Further, described external sheath layer uses outer protective polyethylene set.
Relative to prior art, the invention has the advantage that
1) using zip mode liner shields layer, production efficiency is high, steady quality, it is easy to installation and removal,
Easy to use.Simultaneously so that cable flexibility is good, is unlikely to deform, tensile strength and good bending property,
There is high-sensitive electromagnetic interference shield function, there is noise reduction, dust-proof, flame-proof abrasion-resistant performance simultaneously.
2) cable core is outside equipped with PET strip lapping layer, aluminium sheath layer, bonding sheath, armor and gathers
Ethylene oversheath, makes cable have superior shielding, heatproof, protection against the tide, resistance to compression, anti-animal tooth sting function,
Meet the requirement to cable of high-speed railway and heavy traction.
Accompanying drawing explanation
The accompanying drawing of the part constituting the invention is used for providing being further appreciated by the invention,
The schematic description and description of the invention is used for explaining the invention, is not intended that this
The improper restriction of bright creation.In the accompanying drawings:
Fig. 1 is the structural representation of the invention.
Description of reference numerals:
1, shielding quad；2, insulated single wire；3, copper conductor；4, insulating barrier；5, layer is pricked；6、
Inner side non-hygroscopic insulating barrier；7, earial drainage wire；8, zip mode liner shields layer；9, the non-suction in outside
Moist insulating barrier；10, PET strip lapping layer；11, aluminium sheath layer；12, bonding sheath；13, armouring
Layer；14, oversheath.
Detailed description of the invention
It should be noted that in the case of not conflicting, in embodiment in the invention and embodiment
Feature can be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinally ", " horizontal stroke
To ", " on ", D score, "front", "rear", "left", "right", " vertically ", " water
Flat ", the orientation that indicates of " top ", " end ", " interior ", " outward " etc. or position relationship be based on attached
Orientation shown in figure or position relationship, be for only for ease of description the invention and simplify description, and not
Be instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that restriction to the invention.Additionally, term " first ", " second "
Etc. being only used for describing purpose, and it is not intended that instruction or hint relative importance or implicit indicate indication
The quantity of the technical characteristic shown.Thus, the feature defining " first ", " second " etc. can be expressed
Or implicitly include one or more this feature.In the description of the invention, unless otherwise
Illustrating, " multiple " are meant that two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited,
Term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing,
Can also be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；
Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the company of two element internals
Logical.For the ordinary skill in the art, can understand that above-mentioned term is at this by concrete condition
Concrete meaning in innovation and creation.
Describe the invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
A kind of zip mode sleeve pipe internal screening railway digital signal cable, as it is shown in figure 1, include cable core and
It is coated on the sheath outside cable core；Described cable core includes that at least one shields quad 1, this shielding four line
The insulated single wire 2 that group 1 includes mutually stranded four piece different colours, described insulated single wire 2 outside by interior extremely
It is sequentially provided with outward bundle layer 5, inner side non-hygroscopic insulating barrier 6, zip mode liner shields layer 8 and outside
Non-hygroscopic insulating barrier 9；Described sheath includes PET strip lapping layer 10, aluminium sheath layer the most successively
11, bonding sheath 12, armor 13 and external sheath layer 14.Inner side non-hygroscopic insulating barrier 6 with draw
Being provided with earial drainage wire 7 between chain type liner shields layer 8, signal transmission is stable, fluctuates little, this cable
Anti-electromagnetic interference capability strong.
Described cable core can include two shielding quads 1.Insulated single wire 2 therein is by copper conductor 3 He
It is coated on this insulating barrier 4 outside copper conductor 3 to form.Wherein, described insulating barrier 4 is skin-bubble-skin
Three-layer co-extruded physical blowing structure.Insulating resistance of cable can be effectively improved, reduce the sending allowance of cable,
Reduce the mutual capacitance of cable, thus be greatly improved the security reliability of cable.
Armor 13 uses the wrapped armor in galvanized steel strip gap, and production efficiency is high, low cost of manufacture,
Structural strength is high, is unlikely to deform, and cable has higher tensile strength and bending property.It should be noted that,
Above-mentioned aluminium sheath layer 11 is possible not only to use aluminium sheath, it is also possible to use composite sheath as required.Viscous
Knot sheath generally selects polyethylene bonding sheath.
Above-mentioned zip mode liner shields layer 8 includes crocheted net and the hook of the copper free wire crocheted of inner side
Polyester multifilament braid outside knitmesh, is provided with along described zip mode liner shields layer 8 length direction
Slide fastener.It should be noted that the zip mode shielded tube that the technology that meets requires can commercially be bought, this
Sample can save middle production link, reduces quality of production risk, improves shielding quad production efficiency.
Above-mentioned bonding sheath 12 is bonding sheath, and external sheath layer 14 uses outer protective polyethylene set.
Make this cable time: first cut-and-dried zip mode shielded tube is contained in special threading device
Upper standby, then the insulated single wire of four different colours is twisted into quad, and at it outside around wrapping yarn
5 and cladding inside non-moist insulating barrier 6, then earial drainage wire 7 is arranged on inner side non-hygroscopic insulation
On layer 6, then by threading device, zip mode liner shields layer 8 is directly sleeved on and is coated with bundle yarn 5 and interior
In the quad of the non-moist insulating barrier 6 in side, and disposably complete suit.Confirm zip mode shielded tube
Slide fastener be in closure state after, non-moist insulating barrier outside the outer cladding the most again of zip mode liner shields layer 8
9, make a shielding quad 1, afterwards several shielding quads 1 are made by twisting cable core together, then
Be coated with successively outside cable core PET strip lapping layer 10, aluminium sheath layer 11, bonding sheath 12, armor 13,
And oversheath 14.
The invention uses zip mode liner shields layer, and production efficiency is high, steady quality, it is easy to install
And dismounting, easy to use.Simultaneously so that cable flexibility is good, is unlikely to deform, tensile strength and bending
Performance is good, has high-sensitive electromagnetic interference shield function, has noise reduction, dust-proof, flame-proof abrasion-resistant simultaneously
Performance.The sheath that cable core is arranged makes cable have superior shielding, heatproof, protection against the tide, resistance to compression, anti-animal
Tooth stings function, meets the requirement to cable of high-speed railway and heavy traction.
The foregoing is only the preferred embodiment of the invention, not in order to limit present invention wound
Make, within all spirit in the invention and principle, any modification, equivalent substitution and improvement made
Deng, within should be included in the protection domain of the invention.
Claims (7)
1. a zip mode sleeve pipe internal screening railway digital signal cable, it is characterised in that: include cable core
And it is coated on the sheath outside cable core；Described cable core includes that at least one shields quad, this shielding four
Line group includes the insulated single wire of mutually stranded four piece different colours, depends on from the inside to the outside outside described insulated single wire
Secondary be provided with bundle layer, inner side non-hygroscopic insulating barrier, zip mode liner shields layer and outside non-hygroscopic exhausted
Edge layer；Described sheath includes PET strip lapping layer, aluminium sheath layer, bonding sheath, armour the most successively
Dress layer and external sheath layer.
A kind of zip mode sleeve pipe internal screening railway digital signal cable the most according to claim 1,
It is characterized in that: described insulated single wire is by copper conductor and is coated on the insulating barrier outside this copper conductor and forms.
A kind of zip mode sleeve pipe internal screening railway digital signal cable the most according to claim 2,
It is characterized in that: described insulating barrier is the physical blowing structure that skin-bubble-skin is three-layer co-extruded.
A kind of zip mode sleeve pipe internal screening railway digital signal cable the most according to claim 1,
It is characterized in that: described zip mode liner shields layer includes the crocheted net of the copper free wire crocheted of inner side
And the polyester multifilament braid outside crocheted net, set along described zip mode liner shields layer length direction
It is equipped with slide fastener.
A kind of zip mode sleeve pipe internal screening railway digital signal cable the most according to claim 1,
It is characterized in that: be provided with between described inner side non-hygroscopic insulating barrier and zip mode liner shields layer and let out
Current wire.
A kind of zip mode sleeve pipe internal screening railway digital signal cable the most according to claim 1,
It is characterized in that: described bonding sheath is bonding sheath.
A kind of zip mode sleeve pipe internal screening railway digital signal cable the most according to claim 1,
It is characterized in that: described external sheath layer uses outer protective polyethylene set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620406995.6U CN205582613U (en) | 2016-05-06 | 2016-05-06 | Zip fastener formula sleeve pipe internal shield railway digital signal cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620406995.6U CN205582613U (en) | 2016-05-06 | 2016-05-06 | Zip fastener formula sleeve pipe internal shield railway digital signal cable |
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| Publication Number | Publication Date |
|---|---|
| CN205582613U true CN205582613U (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620406995.6U Active CN205582613U (en) | 2016-05-06 | 2016-05-06 | Zip fastener formula sleeve pipe internal shield railway digital signal cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845264A (en) * | 2016-05-06 | 2016-08-10 | 江苏通鼎光电科技有限公司 | Zipper bushing internal shielding railway digital signal cable |
| CN106876034A (en) * | 2017-02-22 | 2017-06-20 | 江苏通鼎光电科技有限公司 | A kind of resistance to compression impact resistance internal screening railway digital signal cable |
| CN107017048A (en) * | 2017-04-17 | 2017-08-04 | 广州市壹缆电缆实业有限公司 | A kind of cable jacket and cable |
| CN107045903A (en) * | 2017-02-22 | 2017-08-15 | 江苏通鼎光电科技有限公司 | A kind of internal screening railway digital signal cable |
-
2016
- 2016-05-06 CN CN201620406995.6U patent/CN205582613U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845264A (en) * | 2016-05-06 | 2016-08-10 | 江苏通鼎光电科技有限公司 | Zipper bushing internal shielding railway digital signal cable |
| CN106876034A (en) * | 2017-02-22 | 2017-06-20 | 江苏通鼎光电科技有限公司 | A kind of resistance to compression impact resistance internal screening railway digital signal cable |
| CN107045903A (en) * | 2017-02-22 | 2017-08-15 | 江苏通鼎光电科技有限公司 | A kind of internal screening railway digital signal cable |
| CN107017048A (en) * | 2017-04-17 | 2017-08-04 | 广州市壹缆电缆实业有限公司 | A kind of cable jacket and cable |
| CN107017048B (en) * | 2017-04-17 | 2019-03-29 | 广州市壹缆电缆实业有限公司 | A kind of cable jacket and cable |
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