CN207895879U - A kind of small outer diameter high-speed cable of low-loss - Google Patents
A kind of small outer diameter high-speed cable of low-loss Download PDFInfo
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- CN207895879U CN207895879U CN201721900933.1U CN201721900933U CN207895879U CN 207895879 U CN207895879 U CN 207895879U CN 201721900933 U CN201721900933 U CN 201721900933U CN 207895879 U CN207895879 U CN 207895879U
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Abstract
The utility model discloses a kind of small outer diameter high-speed cables of low-loss, it is characterised in that：Including several bursts of core groups, it is coated on the first screen layer except several bursts of core groups, the secondary shielding layer being coated on except first screen layer and the oversheath being coated on except secondary shielding layer；Each core group includes the first L/EPTFE teflon insulations layer of two articles of core wires while wrapped two articles of core wires, around the third shielded layer being wrapped in except the L/EPTFE teflon insulations layer and around the small serving being wrapped in except the third shielded layer；The core wire includes inner wire and around the 2nd L/EPTFE polytetrafluoroethylene ethylene layers being wrapped in except the inner wire.The utility model can reach 100% shield effectiveness, and insulation protection effect is also very good；And wrapped L/EPTFE polytetrafluoroethylene ethylene layers except the inner wire of the utility model, so that wire rod is become soft, but also improve the temperature tolerance of wire rod, temperature tolerance reaches 45 DEG C to 200 DEG C.
Description
Technical field
The present invention relates to electronic signal interface line technical field, more particularly to a kind of small outer diameter high-speed cable of low-loss.
Background technology
Currently, the electronic signals such as SFP, QSFP, CXP interface line is gradually applied in a communications device.SFP （Small
Form-factor Pluggables）The upgraded version of GBIC can be simply interpreted as；SFP modules（Volume ratio GBIC modules
Half is reduced, can be configured on identical panel and have more one times or more of port number；Due to SFP modules functionally with GBIC
It is almost the same, therefore, also it is known as minimizing GBIC by some interchanger manufacturers（Mini-GBIC）；SFP modules by by CDR and
Electrical dispersion compensation has been placed on outside module, and more has compressed size and power consumption；It is answered for optic communication in telecommunications and data communication
With；The mainboard and optical fiber or UTP cables of the equipment such as SFP connected networks equipment such as interchanger, router.QSFP（Quad Small
Form-factor Pluggable）：Four-way SFP interfaces (QSFP), QSFP are to meet market to more highdensity high speed
The demand of pluggable solution and be born；The pluggable interface transmission rate in this 4 channel has reached 40Gbps or more.
The transmission rate of CXP optical modules is up to 12 × 10Gbps, supports hot plug, CXP optical modules mainly for high-speed computer market,
It is supplement of the CFP optical module in Ethernet data center.
Currently, the shielding of the interface lines such as SFP, QSFP, CXP and insulation protection effect are poor, and the insulator of core wire uses
Solid or foaming extrusion insulation system, insulation is harder, and temperature tolerance is poor, and small space connection, inconvenient indoors.
Utility model content
The technical problem to be solved by the present invention is to according to above-mentioned the deficiencies in the prior art, provide a kind of shielding and insulation protection
The small outer diameter high-speed cable of low-loss that effect is good, wire rod is soft, temperature tolerance is good.
In order to solve the above technical problems, the technical scheme is that：A kind of small outer diameter high-speed cable of low-loss, if including
Carried interest core group, the secondary shielding for being coated on the first screen layer except several bursts of core groups, being coated on except first screen layer
Layer and the oversheath being coated on except secondary shielding layer；Each core group includes two core wires while described two wrapped
First L/EPTFE teflon insulations layer of core wire, around the third being wrapped in except the L/EPTFE teflon insulations layer
Shielded layer and around the small serving being wrapped in except the third shielded layer；The core wire include inner wire and around be wrapped in it is described in
The 2nd L/EPTFE polytetrafluoroethylene ethylene layers except conductor.
Preferably, the first screen layer is aluminium foil layer or copper foil layer, and thickness is 6-25 μm, wherein aluminium foil layer is fine aluminium
Foil, single side aluminium foil wheat draw, double-sided aluminum foil wheat draw, single side aluminium foil hot melt wheat draw, double-sided aluminum foil hot melt wheat draw in any one, copper
Layers of foil is pure copper foil, the drawing of single side copper foil wheat, two-sided copper foil wheat is drawn, single side copper foil heats wheat drawing, two-sided copper foil heats in wheat drawing
Any one；The secondary shielding layer be tinned copper wire braiding layer or tin-coated copper plated aluminium silk braiding layer, tinned copper wire or
A diameter of 102-127 μm of tin-coated copper plated aluminium silk；The oversheath be flame-proof PVC polyvinyl chloride, LSZH low-smoke halogen-free polyolefins,
Any one of TPU thermoplastic polyurethane elastomer rubber, PE polyethylene.
Preferably, the third shielded layer is wrapped aluminium foil layer or copper foil layer, and thickness is 6-25 μm, wherein aluminium foil layer is
It is any one during pure aluminum foil, single side aluminium foil wheat are drawn, double-sided aluminum foil wheat is drawn, single side aluminium foil hot melt wheat is drawn, double-sided aluminum foil hot melt wheat is drawn
Kind, copper foil layer is pure copper foil, single side copper foil wheat is drawn, two-sided copper foil wheat is drawn, single side copper foil hot melt wheat is drawn, two-sided copper foil heats wheat and draws
In any one；The small serving is that heat melts PET strip layer, and thickness is 6-25 μm；The inner wire is silver-plated copper, tin plating
Any one in copper, naked copper, silver-copper plated steel clad, silver-plated copper coating aluminum conductor, a diameter of 40-511 μm, the thickness of coating is 0.3-
2.0μm。
Preferably, it is additionally provided with a ground wire between the first L/EPTFE teflon insulations layer and third shielded layer, institute
State the crack side that ground wire is located at two core wires；The ground wire is silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, silver-plated copper-clad
Any one in aluminium conductor, a diameter of 40-511 μm；The thickness of coating is 0.3-2.0 μm.
Preferably, the core group has two strands, four strands or stereotyped writing, may be contained within first screen layer.
Preferably, the core group has 24 strands, and every two bursts of core groups constitute one core group pair, constitute 12 strand cores altogether
Group pair, and per share core group is coated with the 4th shielded layer to it；12 bursts of core groups to be divided into three strands core group pair and
Nine bursts of outer core groups pair, core group is to being in that isosceles triangle is arranged in the middle part of the small outer diameter high-speed cable of low-loss in three strands, nine bursts of outside lines
Core group is distributed in interior core group to outside to annular.
Preferably, two ground wires are additionally provided between the first L/EPTFE teflon insulations layer and third shielded layer, institute
State two sides that two ground wires are located at two core wires；The ground wire is silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, silver-plated
Any one in copper clad aluminum conductor, a diameter of 40-511 μm；The thickness of coating is 0.3-2.0 μm.Further, the core group
With 8 strands, 8 strand core components are core group and 6 bursts of outer core groups in 2 strands, and 6 bursts of outer core group annulars are distributed in interior core group
Outside.
Preferably, the third shielded layer is the compact arranged copper conductor of a circle or aluminum conductor, and the small serving is heat
Melt PET strip layer, thickness is 6-25 μm；The inner wire is silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, silver-plated copper coating aluminum are led
Any one in body, a diameter of 40-511 μm, the thickness of coating is 0.3-2.0 μm.Further, the core group has 8 strands,
8 strand core components are core group and 6 bursts of outer core groups in 2 strands, and 6 bursts of outer core group annulars are distributed on the outside of interior core group.
The beneficial effects of the invention are as follows：If multilayer screen layer except one, the carried interest coaxial line of the present invention or core group
And restrictive coating, the present invention can be made to reach 100% shield effectiveness to signal, and insulation protection effect is also very good；Secondly, the present invention
Inner wire except wrapped L/EPTFE polytetrafluoroethylene ethylene layers, so that wire rod is become soft, but also improve the heatproof of wire rod
Property, temperature tolerance reaches -45 DEG C to 200 DEG C.
Description of the drawings
Fig. 1 is the cross section structure schematic diagram of core group in embodiment one.
Fig. 2 is the flexible package interface line cross section structure schematic diagram with two bursts of core groups in embodiment one.
Fig. 3 is the flexible package interface line cross section structure schematic diagram with four bursts of core groups in embodiment one.
Fig. 4 is the flexible package interface line cross section structure schematic diagram with stereotyped writing core group in embodiment one.
Fig. 5 is the flexible package interface line cross section structure schematic diagram with 24 bursts of core groups in embodiment one.
Fig. 6 is the cross section structure schematic diagram of core group in embodiment two.
Fig. 7 is the small outer diameter high-speed cable cross section structure schematic diagram of low-loss with stereotyped writing core group in embodiment two.
Fig. 8 is the cross section structure schematic diagram of core group in embodiment three.
Fig. 9 is the small outer diameter high-speed cable cross section structure schematic diagram of low-loss with stereotyped writing core group in embodiment three.
Specific implementation mode
Xia Mianjiehefutuduibenfamingjiegouyuanlihegongzuoyuanlizuojinyibuxiangxishuoming.
Embodiment one
As Figure 1-Figure 5, the small outer diameter high-speed cable of a kind of low-loss, including several bursts of core groups 100, are coated on several
First screen layer 1, the secondary shielding layer 2 that is coated on except first screen layer except stock core group 100 and it is coated on the second screen
Cover the oversheath 3 except layer；Each core group 100 includes the first of two core wires 4 while wrapped two core wires 4
L/EPTFE teflon insulations layer 5, around the third shielded layer 6 being wrapped in except the L/EPTFE teflon insulations layer with
And around the small serving 7 being wrapped in except the third shielded layer；The core wire 4 includes inner wire 41 and around being wrapped in the inner wire
Except the 2nd L/EPTFE polytetrafluoroethylene ethylene layers 42.
The first screen layer 1 is aluminium foil layer or copper foil layer, and thickness is 6-25 μm, wherein aluminium foil layer is pure aluminum foil, single side
Aluminium foil wheat draw, double-sided aluminum foil wheat draw, single side aluminium foil hot melt wheat draw, double-sided aluminum foil hot melt wheat draw in any one, copper foil layer is
It is any one during pure copper foil, single side copper foil wheat are drawn, two-sided copper foil wheat is drawn, single side copper foil hot melt wheat is drawn, two-sided copper foil hot melt wheat is drawn
Kind；The secondary shielding layer 2 is the braiding layer of tinned copper wire or the braiding layer of tin-coated copper plated aluminium silk, tinned copper wire or tin-coated copper
A diameter of 102-127 μm of alclad silk；The oversheath 3 is flame-proof PVC polyvinyl chloride, LSZH low-smoke halogen-free polyolefins, TPU heat
Any one of plastic polyurethane elastomer rubber, PE polyethylene.
The third shielded layer 5 be wrapped aluminium foil layer or copper foil layer, thickness be 6-25 μm, wherein aluminium foil layer be pure aluminum foil,
Single side aluminium foil wheat draw, double-sided aluminum foil wheat draw, single side aluminium foil hot melt wheat draw, double-sided aluminum foil hot melt wheat draw in any one, copper foil
Layer is pure copper foil, single side copper foil wheat is drawn, two-sided copper foil wheat is drawn, single side copper foil hot melt wheat is drawn, two-sided copper foil heats appointing during wheat is drawn
Meaning is a kind of；The small serving 7 is that heat melts PET strip layer, and thickness is 6-25 μm；The inner wire 41 is silver-plated copper, tin-coated copper, naked
Any one in copper, silver-copper plated steel clad, silver-plated copper coating aluminum conductor, a diameter of 40-511 μm, the thickness of coating is 0.3-2.0 μ
m。
As shown in Figure 1, being additionally provided with a ground between the first L/EPTFE teflon insulations layer 5 and third shielded layer 6
Line 8, the ground wire 8 are located at the crack side of two core wires 41；The ground wire 8 is silver-plated copper, tin-coated copper, naked copper, silver-plated copper-clad
Any one in steel, silver-plated copper coating aluminum conductor, a diameter of 40-511 μm；The thickness of coating is 0.3-2.0 μm.
As shown in figs 2-4, the core group 100 have two strands, four strands or stereotyped writing, may be contained within first screen layer 1 it
It is interior.It is equipped with control line 9 in the middle part of cable wherein with four bursts of core groups 100.
As shown in figure 5, the core group 100 has 24 strands, every two bursts of core groups 100 constitute one core group pair, altogether structure
At 12 bursts of core groups pair, and per share core group is coated with the 4th shielded layer to it；12 bursts of core groups are to being divided into three strands
Core group pair and nine bursts of outer core groups pair, core group is to being in that isosceles triangle is arranged in the small outer diameter high-speed cable of low-loss in three strands
Portion, nine bursts of outer core groups are distributed in interior core group to outside to annular.
Embodiment two
As shown in Figure 6 and Figure 7, for embodiment two compared with embodiment one, it is poly- that difference lies in the first L/EPTFE of embodiment two
Two ground wires 10 are additionally provided between tetrafluoroethene insulating layer 5 and third shielded layer 6, two ground wire 10 is located at two core wires 4
Two sides；The ground wire 10 is any one in silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, silver-plated copper coating aluminum conductor
Kind, a diameter of 40-511 μm；The thickness of coating is 0.3-2.0 μm.
As shown in fig. 7, the core group 100 has 8 strands, 8 strand core components are core group and 6 bursts of outer core groups in 2 strands,
6 bursts of outer core group annulars are distributed in the outside of interior core group.
Embodiment three
As shown in Figure 8 and Figure 9, compared with embodiment one, the third shielded layer 6 difference lies in embodiment three is embodiment three
The compact arranged copper conductor of one circle or aluminum conductor, the core group 100 have 8 strands, and 8 strand core components are core group and 6 in 2 strands
The outer core group of stock, 6 bursts of outer core group annulars are distributed on the outside of interior core group.
The above is only better embodiment of the present invention, and every technical solution according to the present invention is to above implementation
Any subtle modifications, equivalent variations and modifications, belong in the range of technical solution of the present invention made by mode.
Claims (10)
1. a kind of small outer diameter high-speed cable of low-loss, it is characterised in that：Including several bursts of core groups, it is coated on several bursts of core groups
Except first screen layer, the secondary shielding layer being coated on except first screen layer and the outer shield being coated on except secondary shielding layer
Set；Each core group includes the first L/EPTFE teflon insulations of two articles of core wires while wrapped two articles of core wires
Layer, around the third shielded layer being wrapped in except the L/EPTFE teflon insulations layer and around being wrapped in the third shielded layer
Except small serving；The core wire includes inner wire and around the 2nd L/EPTFE polytetrafluoroethyl-nes being wrapped in except the inner wire
Alkene layer.
2. the small outer diameter high-speed cable of low-loss according to claim 1, it is characterised in that：The first screen layer is aluminium foil
Layer or copper foil layer, thickness are 6-25 μm, wherein aluminium foil layer is pure aluminum foil, single side aluminium foil wheat is drawn, double-sided aluminum foil wheat is drawn, single side aluminium
Foil heats any one in wheat drawing, double-sided aluminum foil hot melt wheat drawing, and copper foil layer is pure copper foil, single side copper foil wheat is drawn, two-sided copper foil
Mai La, single side copper foil heat any one in wheat drawing, the hot melt wheat drawing of two-sided copper foil；The secondary shielding layer is tinned copper wire
A diameter of 102-127 μm of the braiding layer of braiding layer or tin-coated copper plated aluminium silk, tinned copper wire or tin-coated copper plated aluminium silk；It is described outer
Sheath is in flame-proof PVC polyvinyl chloride, LSZH low-smoke halogen-free polyolefins, TPU thermoplastic polyurethane elastomer rubber, PE polyethylene
It is any.
3. the small outer diameter high-speed cable of low-loss according to claim 1, it is characterised in that：The third shielded layer is wrapped
Aluminium foil layer or copper foil layer, thickness are 6-25 μm, wherein aluminium foil layer is pure aluminum foil, single side aluminium foil wheat is drawn, double-sided aluminum foil wheat is drawn, single
Face aluminium foil hot melt wheat drawing, double-sided aluminum foil heat any one during wheat is drawn, and copper foil layer is pure copper foil, single side copper foil wheat is drawn, is two-sided
The drawing of copper foil wheat, single side copper foil heat any one in wheat drawing, the hot melt wheat drawing of two-sided copper foil；The small serving is that heat melts PET
Belt, thickness are 6-25 μm；The inner wire is in silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, silver-plated copper coating aluminum conductor
Any one, a diameter of 40-511 μm, the thickness of coating is 0.3-2.0 μm.
4. the small outer diameter high-speed cable of low-loss according to claim 3, it is characterised in that：First L/EPTFE poly- four
A ground wire is additionally provided between vinyl fluoride insulating layer and third shielded layer, the ground wire is located at the crack side of two core wires；It is described
Ground wire is any one in silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, silver-plated copper coating aluminum conductor, a diameter of 40-511 μ
m；The thickness of coating is 0.3-2.0 μm.
5. the small outer diameter high-speed cable of low-loss according to claim 4, it is characterised in that：The core group have two strands,
Four strands or stereotyped writing, may be contained within first screen layer.
6. the small outer diameter high-speed cable of low-loss according to claim 4, it is characterised in that：The core group has 24 strands,
Every two bursts of core groups constitute one core group pair, constitute 12 bursts of core groups pair altogether, and per share core group is coated with the 4th to it
Shielded layer；12 bursts of core groups are to being divided into core group pair and nine bursts of outer core groups pair in three strands, and core group is to being in product in three strands
Font is arranged in the middle part of the small outer diameter high-speed cable of low-loss, and nine bursts of outer core groups are distributed in interior core group to outside to annular.
7. the small outer diameter high-speed cable of low-loss according to claim 3, it is characterised in that：First L/EPTFE poly- four
Two ground wires are additionally provided between vinyl fluoride insulating layer and third shielded layer, two ground wire is located at two sides of two core wires；
The ground wire is any one in silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, silver-plated copper coating aluminum conductor, a diameter of 40-
511μm；The thickness of coating is 0.3-2.0 μm.
8. the small outer diameter high-speed cable of low-loss according to claim 7, it is characterised in that：The core group is with 8 strands, 8
Strand core component is core group and 6 bursts of outer core groups in 2 strands, and 6 bursts of outer core group annulars are distributed in the outside of interior core group.
9. the small outer diameter high-speed cable of low-loss according to claim 1, it is characterised in that：The third shielded layer is a circle
Compact arranged copper conductor or aluminum conductor, the small serving are that heat melts PET strip layer, and thickness is 6-25 μm；The inner wire is
Any one in silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, silver-plated copper coating aluminum conductor, a diameter of 40-511 μm, coating
Thickness be 0.3-2.0 μm.
10. the small outer diameter high-speed cable of low-loss according to claim 9, it is characterised in that：The core group is with 8 strands, 8
Strand core component is core group and 6 bursts of outer core groups in 2 strands, and 6 bursts of outer core group annulars are distributed on the outside of interior core group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721900933.1U CN207895879U (en) | 2017-12-29 | 2017-12-29 | A kind of small outer diameter high-speed cable of low-loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721900933.1U CN207895879U (en) | 2017-12-29 | 2017-12-29 | A kind of small outer diameter high-speed cable of low-loss |
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| CN207895879U true CN207895879U (en) | 2018-09-21 |
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| CN201721900933.1U Active CN207895879U (en) | 2017-12-29 | 2017-12-29 | A kind of small outer diameter high-speed cable of low-loss |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993753A (en) * | 2017-12-29 | 2018-05-04 | 东莞金信诺电子有限公司 | A kind of small outside diameter high-speed cable of low-loss |
| US10784022B1 (en) | 2019-04-15 | 2020-09-22 | Cheng Uei Precision Industry Co., Ltd. | Cable structure |
-
2017
- 2017-12-29 CN CN201721900933.1U patent/CN207895879U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993753A (en) * | 2017-12-29 | 2018-05-04 | 东莞金信诺电子有限公司 | A kind of small outside diameter high-speed cable of low-loss |
| US10784022B1 (en) | 2019-04-15 | 2020-09-22 | Cheng Uei Precision Industry Co., Ltd. | Cable structure |
| EP3726540A1 (en) * | 2019-04-15 | 2020-10-21 | Cheng Uei Precision Industry Co., Ltd. | Cable structure |
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Effective date of registration: 20220714 Address after: 518000 workshop 102, jinxinnuo 1, Baolong Second Road, Baolong community, Baolong street, Longgang District, Shenzhen, Guangdong Province Patentee after: Shenzhen suno Technology Co.,Ltd. Address before: No. 658, Meijing West Road, xiniupi village, Dalang Town, Dongguan City, Guangdong Province, 523000 Patentee before: DONGGUAN KINGSIGNAL ELECTRONICS Co.,Ltd. |
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