CN107464613A - A kind of high-speed data cable - Google Patents
A kind of high-speed data cable Download PDFInfo
- Publication number
- CN107464613A CN107464613A CN201710834720.1A CN201710834720A CN107464613A CN 107464613 A CN107464613 A CN 107464613A CN 201710834720 A CN201710834720 A CN 201710834720A CN 107464613 A CN107464613 A CN 107464613A
- Authority
- CN
- China
- Prior art keywords
- layer
- speed data
- inner insulating
- external
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/1008—Features relating to screening tape per se
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/1033—Screens specially adapted for reducing interference from external sources composed of a wire-braided conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/1091—Screens specially adapted for reducing interference from external sources with screen grounding means, e.g. drain wires
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The present invention relates to a kind of high-speed data cable, include a centre data layer and a sheath successively from the inside to the outside, sheath is wrapped up being formed successively by external shielding layer inner insulating layer, internal shield, middle insulating barrier, screen layer, external insulation layer, and external shielding layer inner insulating layer, internal shield, middle insulating barrier, the thickness ratio of screen layer and external insulation layer are 2~4:2~4:1:1~3:2~4；At least three spiral helicine convex tendons of projection along its length on the inwall of external shielding layer inner insulating layer, interval is spiraled arrangement on the periphery of at least three spiral helicine convex tendons along external shielding layer inner insulating layer.The high-speed data cable of the present invention is set to be provided simultaneously with multiple characteristic by multilayer, in addition, setting convex tendon on inwall, to increase the coefficient of friction of jacket inner wall, so as to effectively prevent relative slip between sheath and internal core, prevents the influence to electrical temperature.
Description
Technical field
The invention belongs to field of cables, and in particular to a kind of high-speed data cable.
Background technology
It is well known that high-speed data cable is generally used for the electronic equipments such as consumer electronics, household electrical appliance, experimental facilities, and
These electronic equipments are also all to need to reach certain antistatic requirement.Current way is electrostatic on electronic equipment by electronics
Equipment itself processing, can thus high request be proposed to electronic equipment, so as to cause its research and development and Material Cost to improve.
And current high-speed data cable only has one layer of screen layer, for preventing shadow of the external electromagnetic interference to high-speed data
Ring, to ensure that data are effectively transmitted.If this layer of screen layer can undoubtedly make the anti-electromagnetic interference capability of cable for antistatic backing
Decline.
In addition, the sheath of high-speed data cable is the outermost layer of cable, such as polyvinyl chloride insulation sheath.In the prior art,
High-speed data cable is all made up of only polyethylene layer mostly, but this sheath only has the protective of insulation, does not possess
The features such as fire prevention, tension.In addition, jacket inner wall of the prior art is more smooth so that inside cable data wire holds in sheath
Easily slide, so that the electric property of cable is unstable.
It is therefore proposed that a kind of high-speed data cable is the problem of the invention to be studied.
The content of the invention
To solve the problems, such as that cable can not shield electromagnetic interference and antistatic, and cable cover(ing) simultaneously in the prior art
The single and jacket inner wall of energy is excessively sliding, and causes inside cable data wire easily to be slided in sheath, makes the electric property of cable
The problem of unstable, so as to provide a kind of high-speed data cable, include a centre data layer and a shield successively from the inside to the outside
Set；
The centre data layer is twisted by 2-10 data lines, for transmitting high speed data signal；
The sheath is wrapped up being formed successively by inner insulating layer, internal shield, middle insulating barrier, external shielding layer, external insulation layer, and
Inner insulating layer, internal shield, middle insulating barrier, the thickness ratio of external shielding layer and external insulation layer are 2~4:2~4:1:1~3:2~
4；
Wherein, the internal shield includes the first metal net shaped screen layer, and the first metal net shaped screen layer is used to shield
Outside electromagnetic interference and electromagnetic radiation；The external shielding layer includes the second metal net shaped screen layer, the second metal net shaped shielding
The electronic equipment electrostatic that layer is used to give cable connection provides path of releasing；
The sheath is wrapped up being formed successively by inner insulating layer, internal shield, middle insulating barrier, screen layer, external insulation layer, and interior
Insulating barrier, internal shield, middle insulating barrier, the thickness ratio of screen layer and external insulation layer are 2~4:2~4:1:1~3:2~4；
At least three spiral helicine convex tendons of projection along its length on the inwall of the inner insulating layer, at least three spiral shells
The convex tendon for revolving shape is spaced arrangement of spiraling along on the periphery of inner insulating layer.
Further, the thickness ratio of the inner insulating layer, internal shield, middle insulating barrier, screen layer and external insulation layer is
3:3:1:2:3。
Further, in addition to data connector；The data connector includes screen layer joint, data Layer joint, the number
Data Layer is connected with the data-interface of electronic equipment according to layer joint and makes systematically being connected for internal shield and electronic equipment；Institute
Screen layer joint is stated with the shell of electronic equipment to be connected.
Further, the bearing of trend of vertical convex tendon is provided with some ripples on the convex tendon.
Further, the inner insulating layer, internal shield, middle insulating barrier, screen layer and external insulation layer are set between each other
Paste agent.
Further, insulating barrier in also having one between the inner insulating layer and external insulation layer.
Further, the inner insulating layer is the ceramic fiber layer containing graphite particle.
Further, the external insulation layer is polyethylene layer.
Further, the bosom of the centre data layer is additionally provided with center core.
Having the beneficial effect that relative to prior art of the invention：
The invention provides a kind of high-speed data cable, sheath by inner insulating layer, internal shield, middle insulating barrier, screen layer,
External insulation layer wraps up composition successively, the spiral helicine convex tendon of projection along its length on the inwall of inner insulating layer, and convex tendon is along interior
Arrangement of spiraling is spaced on the periphery of insulating barrier.High-speed data cable is set to be provided simultaneously with multiple characteristic by multilayer, in addition,
Convex tendon is set on inwall, it is relative between sheath and internal core so as to effectively prevent to increase the coefficient of friction of jacket inner wall
Slide, prevent the influence to electrical temperature.
Brief description of the drawings
Fig. 1 is high-speed data cable sectional view of the present invention.
Wherein, 1, sheath；10th, inner insulating layer；11st, internal shield；12nd, middle insulating barrier；13rd, external shielding layer；14th, external insulation
Layer；15th, convex tendon；2nd, data wire；20th, center core.
Embodiment
Embodiment：A kind of high-speed data cable
Referring to Fig. 1, include centre data layer and sheath 1 successively from the inside to the outside；Centre data layer includes 6 data lines 2
Twisted with the data lines 2 of a center core 20,6, for transmitting high speed data signal, center core 20 is center reinforcemen.
The sheath 1 by inner insulating layer 10, internal shield 11, middle insulating barrier 12, external shielding layer 13, external insulation layer 14 successively
Parcel composition, and inner insulating layer 10, internal shield 11, middle insulating barrier 12, the thickness ratio of external shielding layer 13 and external insulation layer 14
For 3:3:1:2:3.
Wherein, the inner insulating layer 10 includes the first metal net shaped screen layer, and the first metal net shaped screen layer is used to shield
Cover outside electromagnetic interference and electromagnetic radiation；The external insulation layer 14 includes the second metal net shaped screen layer, and this is second metal net shaped
The electronic equipment electrostatic that screen layer is used to give cable connection provides path of releasing.
The inner insulating layer 10 is systematically connected with electronic equipment, for the transmission of high-speed data provides reference ground, and
And while the external electromagnetic radiation of barrier intermediate data layer, also obstruct external electromagnetic interference；Described one end of external insulation layer 14
It is connected with the shielding ground of the circuit board of electronic equipment or the casing of electronic equipment, the other end is connected with the earth.
At least three spiral helicine convex tendons 15 of projection along its length on the inwall of the inner insulating layer 10, this at least three
Arrangement of spiraling is spaced on periphery of the spiral helicine convex tendon 15 of bar along inner insulating layer 10.
In the present embodiment, in addition to data connector；The data connector includes screen layer joint, data Layer joint, data
Data Layer is connected and makes systematically being connected for middle shield and electronic equipment by layer joint with the data-interface of electronic equipment；Institute
Screen layer joint is stated with the shell of electronic equipment to be connected.
The present invention is described in detail above, described above, only the preferred embodiments of the invention, when can not
Limit the scope of the present invention, i.e., it is all to make equivalent changes and modifications according to the application scope, it all should still belong to covering scope of the present invention
It is interior.
Claims (8)
- A kind of 1. high-speed data cable, it is characterised in that：Include a centre data layer and a sheath (1) successively from the inside to the outside；The centre data layer is twisted by 2-10 data lines (2), for transmitting high speed data signal；The sheath (1) is by inner insulating layer (10), internal shield (11), middle insulating barrier (12), external shielding layer (13), external insulation layer (14) parcel composition successively, and inner insulating layer (10), internal shield (11), middle insulating barrier (12), external shielding layer (13) and outer The thickness ratio of insulating barrier (14) is 2~4:2~4:1:1~3:2~4；Wherein, the internal shield (11) includes the first metal net shaped screen layer, and the first metal net shaped screen layer is used to shield Outside electromagnetic interference and electromagnetic radiation；The external shielding layer (13) includes the second metal net shaped screen layer, and this is second metal net shaped The electronic equipment electrostatic that screen layer is used to give cable connection provides path of releasing；The inner insulating layer (10) is systematically connected with electronic equipment, for the transmission of high-speed data provides reference ground, and While the external electromagnetic radiation of barrier intermediate data layer, external electromagnetic interference is also obstructed；Described external insulation layer (14) one end It is connected with the shielding ground of the circuit board of electronic equipment or the casing of electronic equipment, the other end is connected with the earth；At least three spiral helicine convex tendons (15) of projection along its length on the inwall of the inner insulating layer (10), this at least three Arrangement of spiraling is spaced on periphery of the spiral helicine convex tendon of bar (15) along inner insulating layer (10).
- 2. high-speed data cable according to claim 1, it is characterised in that：The inner insulating layer (10), internal shield (11), the thickness ratio of middle insulating barrier (12), external shielding layer (13) and external insulation layer (14) is 3:3:1:2:3.
- 3. high-speed data cable according to claim 1, it is characterised in that：Also include data connector；The data connector Including screen layer joint, data Layer joint, data Layer is connected and made with the data-interface of electronic equipment by the data Layer joint Internal shield (11) is systematically connected with electronic equipment；The screen layer joint is connected with the shell of electronic equipment.
- 4. high-speed data cable according to claim 1, it is characterised in that：Vertical convex tendon (15) on the convex tendon (15) Bearing of trend is provided with some ripples.
- 5. high-speed data cable according to claim 3, it is characterised in that：The inner insulating layer (10), internal shield (11), middle insulating barrier (12), external shielding layer (13) and external insulation layer (14) are provided with paste agent between each other.
- 6. high-speed data cable according to claim 1, it is characterised in that：The inner insulating layer (10) is to contain graphite The ceramic fiber layer of grain.
- 7. high-speed data cable according to claim 1, it is characterised in that：The external insulation layer (14) is polyethylene insulation Layer.
- 8. high-speed data cable according to claim 1, it is characterised in that：The bosom of the centre data layer is additionally provided with Center core (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710834720.1A CN107464613A (en) | 2017-09-15 | 2017-09-15 | A kind of high-speed data cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710834720.1A CN107464613A (en) | 2017-09-15 | 2017-09-15 | A kind of high-speed data cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107464613A true CN107464613A (en) | 2017-12-12 |
Family
ID=60552468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710834720.1A Withdrawn CN107464613A (en) | 2017-09-15 | 2017-09-15 | A kind of high-speed data cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107464613A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020168671A1 (en) * | 2019-02-18 | 2020-08-27 | 济宁市海富电子科技有限公司 | Data cable and manufacturing method thereof |
-
2017
- 2017-09-15 CN CN201710834720.1A patent/CN107464613A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020168671A1 (en) * | 2019-02-18 | 2020-08-27 | 济宁市海富电子科技有限公司 | Data cable and manufacturing method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171212 |
|
| WW01 | Invention patent application withdrawn after publication |