CN208889377U - Surpass six type shielding data cables - Google Patents
Surpass six type shielding data cables Download PDFInfo
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- CN208889377U CN208889377U CN201821891336.1U CN201821891336U CN208889377U CN 208889377 U CN208889377 U CN 208889377U CN 201821891336 U CN201821891336 U CN 201821891336U CN 208889377 U CN208889377 U CN 208889377U
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- shielding
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Abstract
The utility model discloses one kind to surpass six type shielding data cables, including cable core, the shielded layer and oversheath being successively coated on outside cable core, shielding skeleton is provided in the cable core and to twisted pair wire, twisted wire fixed part is provided on the shielding skeleton, the twisted wire fixed part includes at least one set of elastic neck, described to snap onto elastic neck to twisted pair wire.In the utility model, elastic neck is set in the adjacent both sides of " ten " font shielding skeleton, enable to snap onto elastic neck twisted pair wire, it ensure that each group of position to twisted pair wire in crossing skeleton is fixed, it can not play or bending, relative position caused by preventing due to the play twisted pair wire is different, makes to shield intraskeletal to the decline of twisted pair wire shield effectiveness；Long excessive problem occurs more than caused by capable of also being prevented due to twisted pair wire bending simultaneously.
Description
Technical field
The utility model relates to cable communication fields, and in particular to one kind surpasses six type shielding data cables
Background technique
It is to surpass five class cable (CAT5e) transmission bandwidths for the shield type data cable of 4G network application in existing communication
100MHZ, 100,000,000 transmission when decay to 19.1dB, cable generally uses the structure of one layer of aluminum foil shielded, but with 5G network
It enables, the transmission bandwidth of cable requires to reach 500MHZ or more, decays to 45.3dB when 500MHZ is transmitted, this means that pair
The electromagnetism interference performance requirement of communication cable is higher, so one layer of aluminum foil shielded in the prior art can no longer meet shielding
It is required that.
For the transmission rate and transmission bandwidth for improving cable, signal transmission delay is reduced, reduces the string of cable from each other
It disturbs, six class cable of excess of export: the foamed insulation of use and to the structure to shielding is researched and developed on the basis of surpassing five class cables, it is existing to screen
Covering is that multiple groups foaming core wire is isolated with skeleton, as Chinese patent CN201720762007.6 one kind surpasses six type shielding data cables
The method that twisted pair wire will be isolated with " ten " font shielding skeleton is disclosed, but such " ten " font shielding skeleton is in the presence of scarce
Fall into: " ten " font shielding skeleton separated region inner space is larger, not can guarantee twist together to twisted pair wire in sky
Between the position in region fix, to influence to shield the shield effectiveness to twisted pair wire that skeleton pair twist is combined, and if space
It is excessive, cause to may result in twisted pair wire in the interior bending of " ten " font shielding skeleton excessive to the remaining length of twisted pair wire.
And currently there are surpass six type shielding type twisted pairs, be all that aluminium foil is individually shielded or braiding layer adds aluminium mostly
The double layer screen of foil, the individually shielded type twisted pair of aluminium foil only play certain shielding action to radio frequency interference, additional braiding layer
Double layer screen type twisted pair has shielding action to electromagnetic interference and radio frequency interference, but can generate excessive electromagnetic radiation, influences
The quality of overall routing system.With the high development of network communications technology, the popularization and application of gigabit networking or even 10,000,000,000 networks,
Timeliness and safety to information have very big requirement, and existing shielding means are not enough to cope with severe wiring environment.
Summary of the invention
The technical problems to be solved in the utility model, which overcomes, existing in background technique surpasses six type shielding data cables not
Foot, propose it is a kind of it is novel surpass six type shielding data cables, be able to solve in the prior art to twisted pair wire in shielding skeleton nothing
Method is fixed, caused by shield effectiveness difference and the too long problem of remaining length.
In order to solve the above-mentioned technical problem, the utility model provides the shielding including cable core, being successively coated on outside cable core
Layer and oversheath are provided with shielding skeleton in the cable core and to twisted pair wire, are provided with twisted wire fixed part on the shielding skeleton,
The twisted wire fixed part includes at least one set of elastic neck, described to snap onto elastic neck to twisted pair wire.
It further comprise that the size of elastic neck described in multiple groups is different in one preferred embodiment of the utility model,
Radially size is sequentially reduced the card slot, can match sizes specification to twisted pair wire.
In one preferred embodiment of the utility model, further comprise the shielding skeleton be " ten " font shield skeleton,
Cable core is divided into four twisted wire fixed parts by " ten " the font shielding skeleton, is fixedly installed with one group in each twisted wire fixed part
To twisted pair wire, four groups are shared in cable core to twisted pair wire.
It further comprise the shielded layer include successively coating from inside to outside in one preferred embodiment of the utility model
Interior foil shielding layer, metal mesh braiding layer, outer foil shielding layer constitute three layers of shielding construction, the metal mesh braiding layer packet
Copper wire and fiber are included, the copper wire dredges the fiber of cloth with broadwise or copper wire is interweaved through Xiang Mibu, forms textile structural.
It further comprise that drain wire is provided with outside the metal mesh braiding layer in one preferred embodiment of the utility model.
It further comprise described include two pairs twisted together to twisted pair wire in one preferred embodiment of the utility model
Copper conductor, the copper conductor include copper core, and endodermis, foaming layer, exodermis are successively coated with outside copper core.
It further comprise " ten " the font shielding skeleton using foaming bone in one preferred embodiment of the utility model
The foam degrees of frame, the foaming skeleton are 15%~25%.
It further comprise the oversheath using PVC oversheath in one preferred embodiment of the utility model.
It further comprise that tear rope is provided with outside the shielded layer in one preferred embodiment of the utility model.
It further comprise being also wrapped on polyester belt on the outside of the cable core in one preferred embodiment of the utility model.
The utility model has the beneficial effects that
The utility model is arranged elastic neck inside crossing skeleton, guarantee to be placed in inside crossing skeleton to twisted pair wire
Position is fixed.
In the prior art, " ten " font shielding skeleton separated region inner space is larger, not can guarantee and twists together
Twisted pair wire is fixed in the position of area of space, to influence to shield the shielding effect to twisted pair wire that skeleton pair twist is combined
Fruit, and if space is excessive causes to twisted pair wire in " ten " font shielding skeleton bending to may result in more than twisted pair wire
Length is excessive.
In the utility model, at least one set of elastic neck is set in the adjacent both sides of " ten " font shielding skeleton,
It is described that twisted pair wire can be snapped onto elastic neck, it ensure that each group of position to twisted pair wire in crossing skeleton is fixed,
Can not play or bending, relative position caused by preventing due to the play twisted pair wire is different, makes to shield skeleton to adjacent
Between to twisted pair wire shield effectiveness decline；Long excessive problem hair more than caused by capable of also being prevented due to twisted pair wire bending simultaneously
It is raw.
Detailed description of the invention
Fig. 1 is the schematic cross-section of the preferred embodiment of the utility model.
Figure label explanation: 1, cable core；2, shielded layer；21, interior foil shielding layer；22, metal mesh braiding layer；23, outer aluminium
Foil shielded layer；3, oversheath；4, " ten " font shields skeleton；5, to twisted pair wire；6, elastic neck；7, drain wire；8, tear rope；
9, polyester belt.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Shown in referring to Fig.1, the embodiment for surpassing six type shielding data cables of the utility model, one kind surpassing six type shielding numbers
According to cable, including cable core 1, the shielded layer 2 and oversheath 3 being successively coated on outside cable core are provided with " ten " font in the cable core 1
Skeleton 4 and four groups are shielded to twisted pair wire 5, are provided with twisted wire fixed part, " ten " font on " ten " the font shielding skeleton
It shields skeleton 4 and the cable core 1 is separated into four twisted wire fixed parts, four groups are separately positioned on four twisted wires to twisted pair wire 5 and fix
In portion, the twisted wire fixed part includes at least one set of elastic neck 6, described to snap onto elastic neck 6 to twisted pair wire 5,
And position is fixed in elastic neck 6, the size of elastic neck 6 described in multiple groups is different, and the elastic neck 6 is radially square
Be sequentially reduced to size, can match sizes specification to twisted pair wire 5.
It is existing in the prior art to surpass six type shielding type twisted pairs, it is all that aluminium foil is individually shielded or braiding layer adds aluminium foil mostly
Double layer screen, aluminium foil individually shielded type twisted pair only plays certain shielding action to radio frequency interference, additional braiding layer it is double
Layer shield type twisted pair has shielding action to electromagnetic interference and radio frequency interference, but can generate excessive electromagnetic radiation, influences whole
The quality of body wiring system.With the high development of network communications technology, the gigabit networking even popularization and application of 10,000,000,000 networks are right
The timeliness and safety of information have very big requirement, and existing shielding means are not enough to cope with severe wiring environment.
In the present embodiment, the shielded layer 2 includes the interior foil shielding layer 21 successively coated from inside to outside, metal mesh braiding
Layer 22, outer foil shielding layer 23, constitute three layers of shielding construction, compared with the prior art, not only have good electromagnetic compatibility
Property, while guaranteeing that excessive radiated wave produced by the high-frequency current by cable core will not influence adjacent electronics equipment or network system
System, and cable itself has very strong confidentiality, while three layers of shielding ensure that cable core 1 is not easy to cause artificial mistake in construction
Position, stretching, damage etc..
In the present embodiment, the metal mesh braiding layer 22 includes copper wire and fiber, and the copper wire is dredged through Xiang Mibu with broadwise
The fiber or copper wire of cloth are interweaved, and form textile structural.
In the present embodiment, it is provided with drain wire 7 outside the metal mesh braiding layer 22, the drain wire 7 can be avoided thunder and lightning
Cable directly is hit, in general, the direct lightning strike current peak of drain wire 7 is such as hit not higher than 15KA, cable is hardly sent out
Raw counterattack produces and from the direct aerial drainage of lightning strike spot to the thunder of cable by the lightning current of the flowing on drain wire 7 on cable
The opposite induced current of current direction, is substantially reduced electric current total on cable, thus reduce on cable core 1 with metal mesh braiding layer
Overvoltage between 22.
In the present embodiment, described includes the two pairs of copper conductors twisted together to twisted pair wire 5, and copper conductor uses the prior art
Middle skin-bubble-skin technique cladding is made, and the copper conductor includes copper core, and endodermis, foaming layer, crust are successively coated with outside copper core
Layer: 1, endodermis: to be extruded in the solid layer in copper core, make have good adhesion between copper core and foaming layer；2, froth bed:
The layer requires high foaming rate (reducing dielectric constant, be conducive to long distance transmission), uses nitrogen as foaming agent, in the effect of pressure
It is lower to inject it in extruding machine polymer with constant flow rate；3, outer layer: can guarantee entire copper conductor have certain mechanical strength and
Good surface quality.
In the present embodiment, " ten " the font shielding skeleton 4 is using foaming skeleton, the foam degrees of the foaming skeleton
15%~25%, which can be to forming good shielding action between twisted pair wire 5.
In the present embodiment, the oversheath 3 uses PVC oversheath, and the PVC oversheath has good anti-flammability and resists
UV resistance.
In the present embodiment, it is provided with tear rope 8 outside the shielded layer 2, can facilitate and tear oversheath 3 when construction.
In the present embodiment, polyester belt 9 is also wrapped on the outside of the cable core 1.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (10)
1. one kind surpasses six type shielding data cables, including cable core, the shielded layer and oversheath being successively coated on outside cable core, feature
It is, shielding skeleton is provided in the cable core and to twisted pair wire, is provided with twisted wire fixed part, the strand on the shielding skeleton
Line fixed part includes at least one set of elastic neck, described to snap onto elastic neck to twisted pair wire.
2. surpassing six type shielding data cables as described in claim 1, which is characterized in that the size of elastic neck described in multiple groups is big
Small difference, radially size is sequentially reduced the elastic neck, can match sizes specification to twisted pair wire.
3. surpassing six type shielding data cables as described in claim 1, which is characterized in that the shielding skeleton is " ten " font screen
Skeleton is covered, cable core is divided into four twisted wire fixed parts, has fixed peace in each twisted wire fixed part by " ten " the font shielding skeleton
Equipped with one group to twisted pair wire, four groups are shared to twisted pair wire in cable core.
4. surpassing six type shielding data cables as described in claim 1, which is characterized in that the shielded layer include from inside to outside according to
Interior foil shielding layer, metal mesh braiding layer, the outer foil shielding layer of secondary cladding, constitute three layers of shielding construction；The metal mesh
Braiding layer includes copper wire and fiber, and the copper wire dredges the fiber of cloth with broadwise or copper wire is interweaved through Xiang Mibu, forms weaving
Structure.
5. surpassing six type shielding data cables as claimed in claim 4, which is characterized in that be provided with outside the metal mesh braiding layer
Drain wire.
6. surpassing six type shielding data cables as described in claim 1, which is characterized in that described includes being stranded in one to twisted pair wire
The two pairs of copper conductors risen, the copper conductor include copper core, and endodermis, foaming layer, exodermis are successively coated with outside copper core.
7. surpassing six type shielding data cables as claimed in claim 3, which is characterized in that " ten " the font shielding skeleton uses
Foam skeleton, and the foam degrees of the foaming skeleton are 15%~25%.
8. surpassing six type shielding data cables as described in claim 1, which is characterized in that the oversheath uses PVC oversheath.
9. surpassing six type shielding data cables as described in claim 1, which is characterized in that be provided with tearing outside the shielded layer
Rope.
10. surpassing six type shielding data cables as described in claim 1, which is characterized in that be also wrapped on the outside of the cable core poly-
Ester band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821891336.1U CN208889377U (en) | 2018-11-16 | 2018-11-16 | Surpass six type shielding data cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821891336.1U CN208889377U (en) | 2018-11-16 | 2018-11-16 | Surpass six type shielding data cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208889377U true CN208889377U (en) | 2019-05-21 |
Family
ID=66518309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821891336.1U Active CN208889377U (en) | 2018-11-16 | 2018-11-16 | Surpass six type shielding data cables |
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| CN (1) | CN208889377U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009351A (en) * | 2019-12-26 | 2020-04-14 | 安徽国电电缆股份有限公司 | Anti-deformation communication cable |
| CN111681817A (en) * | 2020-05-28 | 2020-09-18 | 芜湖航天特种电缆厂股份有限公司 | Anti-attenuation data cable |
| CN111696708A (en) * | 2020-05-28 | 2020-09-22 | 芜湖航天特种电缆厂股份有限公司 | Anti-interference Ethernet cable for aerospace |
-
2018
- 2018-11-16 CN CN201821891336.1U patent/CN208889377U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009351A (en) * | 2019-12-26 | 2020-04-14 | 安徽国电电缆股份有限公司 | Anti-deformation communication cable |
| CN111681817A (en) * | 2020-05-28 | 2020-09-18 | 芜湖航天特种电缆厂股份有限公司 | Anti-attenuation data cable |
| CN111696708A (en) * | 2020-05-28 | 2020-09-22 | 芜湖航天特种电缆厂股份有限公司 | Anti-interference Ethernet cable for aerospace |
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