CN105355317B - The line of eight class line shielding constructions is to shielding body - Google Patents
The line of eight class line shielding constructions is to shielding body Download PDFInfo
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- CN105355317B CN105355317B CN201510893592.9A CN201510893592A CN105355317B CN 105355317 B CN105355317 B CN 105355317B CN 201510893592 A CN201510893592 A CN 201510893592A CN 105355317 B CN105355317 B CN 105355317B
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Abstract
The invention belongs to cable apparatus technical field, more particularly to a kind of line of eight classes line shielding construction is to shielding body.The invention discloses the line of eight class line shielding constructions to shielding body, the line of eight class line shielding constructions includes four groups of lines pair to shielding body, four groups of described lines in pair twist structure distribution to setting, every group of line is to including two single line conductors, each single line conductor outer wrap has insulating barrier, every group of the outside of line pair is coated with aluminium foil by the way of wrapped, aluminium foil is coated along the pair twist structure of line pair, one layer of hot melt aluminium foil band is equipped with outside aluminium foil.The beneficial effects of the invention are as follows：The internal signal leakage of line is reduced to minimum degree, it is ensured that the integrality of signal, make aluminium foil and line even closer to fitting, improve stability of the line to structure, the probability that reduction signal peak is produced.
Description
Technical field
The invention belongs to cable apparatus technical field, more particularly to a kind of line of eight classes line shielding construction is to shielding body.
Background technology
In conventional line in shielded cable, aluminum foil shielded mode is general based on vertical bag, but this structure design, is adapted to
Below 1GHz product.Due to indulging pack arrangement, neither one external force fixes it after the shaping of aluminium foil, therefore aluminium foil is in shaping
There is the release of a power afterwards so that healing up for aluminium foil is easily stuck up out, when signal frequency reaches more than 1GHz, wavelength is suitable
Short, so that the screen layer of vertical pack arrangement heals up, gap has been enough more than 1GHz signal wavelengths and passed through, and causes signals leakiness to be formed,
The distortion of signal.CAT8 test frequencies reach 2GHz, and the aluminium foil of traditional vertical packet mode is coated, and 2GHz signal wavelength has been enough
Aluminium foil heals up under through vertical packet mode, causes signals leakiness, and signal produces spike.
The content of the invention
It is an object of the invention to solve the problems, such as that techniques discussed above subtracts there is provided a kind of gap that heals up for coating aluminium foil
To minimum, the internal signal leakage of line is reduced to minimum degree, it is ensured that the integrality of signal, aluminium foil and line is more stepped up laminating
It is close, stability of the line to structure is improved, the line of eight class line shielding constructions of the probability that reduction signal peak is produced is to shield machine
Structure, its technical scheme is as follows：
The line of eight class line shielding constructions is to shielding body, it is characterised in that the line of eight described class line shielding constructions is to screen
Covering mechanism includes four groups of lines pair, and four groups of described lines in pair twist structure distribution to setting, and every group of line including two single lines to leading
Body, each single line conductor outer wrap has insulating barrier, and every group of the outside of line pair is coated with aluminium foil by the way of wrapped, makes aluminium foil
Pair twist structure along line pair is coated, and one layer of hot melt aluminium foil band is equipped with outside aluminium foil.
Preferred embodiment is that described insulating barrier includes internal layer, intermediate layer and outer layer, and described internal layer is linea low density PE
Layer, internal layer is in contact with single line conductor, and described intermediate layer is foaming structure layer, and described outer layer is PE layers of high density.
Preferred embodiment is, described aluminium foil using it is double-deck reversely it is wrapped in every group of line to outside.
The line for the eight class line shielding constructions that the present invention is provided is to shielding body, and in order to ensure the qualified of cross-talk, 4 groups of lines are to adopting
With the structure of pair twist, and in order to ensure the minimum of electromagnetic interference influence between line pair, use aluminum foil shielded structure；And in order that aluminium
The joint gap of paper tinsel cladding is as small as possible, then aluminium foil is coated by the way of wrapped, aluminium foil is coated along line to pair twist structure
It is close, the Duplication of aluminium foil reaches more than 40% in addition；In the additional one layer of hot melt aluminium foil band of aluminium foil so that the cladding knot of aluminium foil
Structure can be fixed, and deformation will not be produced because of follow-up process, and the gap that internal layer aluminium foil heals up is capped completely,
So that leakage of the line to signal is reduced at utmost.
The further single line structure that skin foam skin is employed to insulating barrier of the invention：The internal layer of one side insulating barrier（Endothelium）
Insulation and the adhesive force of single line conductor are improved using linea low density PE, make following process conductor and the structure of insulation more steady
It is fixed；The intermediate layer of one side insulating barrier reduces the dielectric constant of insulation using foaming structure, reduces the decay of signal；On the one hand
The outer layer of insulation（Crust）For high density PE, the anti-pressure ability of single line is improved, the single line for preventing the pressure of subsequent handling from causing
Conductor is deformed.
Further line of the invention is to shielding using around pack mode：Make aluminium foil and line even closer to fitting, improve line
To the stability of structure, the probability that reduction signal peak is produced.
Further line of the invention is to shielding construction using double-deck reversely around aluminium foil：The possibility that signal is revealed is dropped to
Minimum level, greatly improves NEXT index.
The beneficial effects of the invention are as follows：The gap that heals up for coating aluminium foil is minimized, and makes the internal signal leakage reduction of line
To minimum degree, it is ensured that the integrality of signal, make aluminium foil and line even closer to fitting, improve stability of the line to structure,
Reduce the probability that signal peak is produced.
Brief description of the drawings
Fig. 1 is the schematic diagram of eight class line shielding constructions.
Fig. 2 is the schematic diagram of insulating barrier.
Fig. 3 is schematic diagram of the invention.
Embodiment
With reference to Fig. 1 to Fig. 3 specific illustrative embodiments：
As shown in Figure 1 to Figure 3, eight class line shielding construction, eight described class line shielding constructions include four groups of lines to 1, described
Four groups of lines set to 1 in pair twist structure distribution, every group of line includes outside two single line conductors 2, each single line conductor 2 to 1
Be enclosed with insulating barrier 3, every group of line is coated with aluminium foil 4 to 1 outside by the way of wrapped, make aluminium foil 4 along line to 1 pair twist
Structure is coated, and one layer of hot melt aluminium foil band 5 is equipped with outside aluminium foil 4；Four groups of described lines are wrapped up by braiding layer 61, described
The outside of braiding layer 6 is provided with one layer of sheath 7.
Preferred embodiment is that described insulating barrier 3 includes internal layer 31, intermediate layer 32 and outer layer 33, and described internal layer 31 is line
Property low density PE layer, internal layer 31 is in contact with single line conductor 2, and described intermediate layer 32 is foaming structure layer, described outer layer 33
For PE layers of high density.
Preferred embodiment is, described aluminium foil using it is double-deck reversely it is wrapped in every group of line to outside.
Preferred embodiment is that described braiding layer is tinned copper braid.
2GHz is reached for CAT8 test frequencies, the aluminium foil of traditional vertical packet mode is coated, and 2GHz signal wavelength is sufficient
To be healed up through aluminium foil under vertical packet mode, cause signals leakiness, signal produces spike.Therefore we are to reduce aluminium as far as possible
The size of healing up of paper tinsel cladding.From the mode that aluminium foil is coated, it is changed to wrapped from vertical bag, so makes the structure of aluminium foil and twisted pair wire more
Stick on conjunction, healing up to diminish.On another formal structure, then one layer of hot aluminium foil strip of tack of increase outside aluminium foil, on the one hand make
The structure for obtaining aluminium foil cladding is more stablized, and aluminium foil heals up will not also produce deformation in subsequent handling；On the other hand internal layer is caused
Aluminium foil, which heals up, to be completely covered, and the internal signal leakage of line is reduced to minimum degree.In view of effectiveness, cable core is additional
Tin-coated copper braid shielded, forms the data cable structure of S/FTP structures.
In order to ensure the qualified of cross-talk, 4 groups of lines are to the structure using pair twist, and in order to ensure electromagnetic interference influence between line pair
Minimum, use aluminum foil shielded structure；And in order that the joint gap of aluminium foil cladding is as small as possible, then by the way of wrapped
Coat aluminium foil, make aluminium foil along line pair twist structure is coated it is close, the Duplication of aluminium foil reaches more than 40% in addition；In aluminium foil
Additional one layer of hot melt aluminium foil band so that the clad structure of aluminium foil can be fixed, will not produce deformation because of follow-up process, and
So that the gap that internal layer aluminium foil heals up is capped completely so that leakage of the line to signal is reduced at utmost；Prevent the external world
Electromagnetic interference, using total shielding construction, from tin-coated copper braided overall-shielding, shielding rate >=60% obtains anti-electromagnetic interference effect
Maximize, one layer of outer quilt is squeezed outside last cable core, protect cable.
Claims (1)
1. the line of eight class line shielding constructions is to shielding body, it is characterised in that the line of eight described class line shielding constructions is to shielding
Mechanism includes four groups of lines pair, four groups of described lines to being set in pair twist structure distribution, every group of line to including two single line conductors,
Each single line conductor outer wrap has insulating barrier, and every group of the outside of line pair is coated with aluminium foil by the way of wrapped, makes aluminium foil suitable
And one layer of hot melt aluminium foil band is equipped with outside the pair twist structure cladding of line pair, aluminium foil, described insulating barrier includes internal layer, intermediate layer
And outer layer, described internal layer is PE layers of linea low density, and internal layer is in contact with single line conductor, and described intermediate layer is foaming structure
Layer, described outer layer is PE layer of high density, described aluminium foil using it is double-deck it is reverse it is wrapped in every group of line to outside;4 groups of lines are to adopting
With the structure of pair twist, and in order to ensure the minimum of electromagnetic interference influence between line pair, use aluminum foil shielded structure；And in order that aluminium
The joint gap of paper tinsel cladding is as small as possible, then aluminium foil is coated by the way of wrapped, aluminium foil is coated along line to pair twist structure
It is close, the Duplication of aluminium foil reaches more than 40% in addition；In the additional one layer of hot melt aluminium foil band of aluminium foil so that the cladding knot of aluminium foil
Structure can be fixed, and deformation will not be produced because of follow-up process, and the gap that internal layer aluminium foil heals up is capped completely,
So that leakage of the line to signal is reduced at utmost.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510893592.9A CN105355317B (en) | 2015-12-08 | 2015-12-08 | The line of eight class line shielding constructions is to shielding body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510893592.9A CN105355317B (en) | 2015-12-08 | 2015-12-08 | The line of eight class line shielding constructions is to shielding body |
Publications (2)
| Publication Number | Publication Date |
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| CN105355317A CN105355317A (en) | 2016-02-24 |
| CN105355317B true CN105355317B (en) | 2017-08-29 |
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| CN201510893592.9A Active CN105355317B (en) | 2015-12-08 | 2015-12-08 | The line of eight class line shielding constructions is to shielding body |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201359878Y (en) * | 2009-01-13 | 2009-12-09 | 昆山信昌电线电缆有限公司 | Symmetric paralleled network cable |
| CN201655414U (en) * | 2010-05-10 | 2010-11-24 | 天津亿鑫通科技股份有限公司 | Multicore 3G communication cable |
| CN102231303A (en) * | 2011-04-19 | 2011-11-02 | 江苏通鼎光电科技有限公司 | Shielding digital communication cable |
| CN103474166A (en) * | 2013-08-23 | 2013-12-25 | 安徽埃克森科技集团有限公司 | Cable for high voltage Ethernet |
| CN203397763U (en) * | 2013-07-10 | 2014-01-15 | 江苏亨通线缆科技有限公司 | Bending-resistant four-pair digital communication cable |
| CN205230657U (en) * | 2015-12-08 | 2016-05-11 | 浙江兆龙线缆有限公司 | Eight types of line shielding structure's wire pair shielding body |
-
2015
- 2015-12-08 CN CN201510893592.9A patent/CN105355317B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201359878Y (en) * | 2009-01-13 | 2009-12-09 | 昆山信昌电线电缆有限公司 | Symmetric paralleled network cable |
| CN201655414U (en) * | 2010-05-10 | 2010-11-24 | 天津亿鑫通科技股份有限公司 | Multicore 3G communication cable |
| CN102231303A (en) * | 2011-04-19 | 2011-11-02 | 江苏通鼎光电科技有限公司 | Shielding digital communication cable |
| CN203397763U (en) * | 2013-07-10 | 2014-01-15 | 江苏亨通线缆科技有限公司 | Bending-resistant four-pair digital communication cable |
| CN103474166A (en) * | 2013-08-23 | 2013-12-25 | 安徽埃克森科技集团有限公司 | Cable for high voltage Ethernet |
| CN205230657U (en) * | 2015-12-08 | 2016-05-11 | 浙江兆龙线缆有限公司 | Eight types of line shielding structure's wire pair shielding body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105355317A (en) | 2016-02-24 |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Shilin Industrial Zone 313215 Zhejiang province Huzhou city Deqing County town Patentee after: Zhejiang megabon interconnect Polytron Technologies Inc Address before: Shilin Industrial Zone 313200 Zhejiang province Huzhou city Deqing County town Zhejiang Zhaolong Cable Co. Ltd. Patentee before: Zhejiang Zhaolong Cable Co., Ltd. |
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| CP03 | Change of name, title or address | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Line pair shielding mechanism of CAT8 line shielding structure Effective date of registration: 20180326 Granted publication date: 20170829 Pledgee: Zhejiang Deqing rural commercial bank Limited by Share Ltd Pledgor: Zhejiang megabon interconnect Polytron Technologies Inc Registration number: 2018980000046 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200410 Granted publication date: 20170829 Pledgee: Zhejiang Deqing rural commercial bank Limited by Share Ltd Pledgor: ZHEJIANG ZHAOLONG INTERCONNECTION TECHNOLOGY Co.,Ltd. Registration number: 2018980000046 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |