CN212342321U

CN212342321U - Data line with graphene conductive film and improved electromagnetic shielding performance

Info

Publication number: CN212342321U
Application number: CN202021392986.9U
Authority: CN
Inventors: 邹志勇
Original assignee: Eason Electronic Co ltd
Current assignee: Eason Electronic Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-01-12
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a data line with graphite alkene conductive film just improves electromagnetic shield performance, including transmission line and the USB plug of connecting in the transmission line both ends, the transmission line includes the outside restrictive coating, sets up many signal lines, total ground wire and many control lines inside the restrictive coating, its characterized in that, the data line still includes the electromagnetic shield layer, winds the covering, and the electromagnetic shield layer wraps many signal lines, total ground wire and many control lines so as to form the electromagnetism protective structure; the wrapping layer is arranged outside the electromagnetic shielding layer; the longitudinal covering layer is arranged outside the wrapping layer and in the sheath layer. The utility model discloses data line electromagnetic shielding layer adopts graphite alkene conductive film, has improved the shielding property of data line, is equipped with around the covering in the outside of electromagnetic shielding layer, can stabilize the structure of data line around the covering, is equipped with the aluminium foil around the covering outside and indulges the covering, and the aluminium foil indulges the covering and also can play good shielding effect, and the aluminium foil indulges the covering and has thermal-insulated effect simultaneously.

Description

Data line with graphene conductive film and improved electromagnetic shielding performance

Technical Field

The utility model relates to a data line technical field, specific saying so relates to a data line with graphite alkene conductive film just improves electromagnetic shielding performance.

Background

In the prior art, the data line has a single core and a multi-core, the single core data line is provided with the single core line in the middle of the data line, the single core line is wrapped with an anti-interference shielding layer, and the shielding layer is wrapped with a plastic outer skin for protecting the internal single core line.

When the data cable is used, the data cable needs to be butted or different components need to be connected, and therefore the outer skin and the shielding layer of the data cable need to be cut to expose the inner core wire.

At present, in order to solve the radiation interference generated when the USB data line performs data transmission, a shielding layer of the USB data line is generally connected to a ground terminal of the USB data line. However, connecting the shielding layer of the USB data line with the ground terminal of the USB data line may cause external interference signals to enter the ground terminal, thereby affecting the transmission performance of the USB data line. Therefore, the existing USB data line has the problem of poor anti-interference signal capability.

Disclosure of Invention

Not enough to prior art, the to-be-solved technical problem of the utility model lies in providing a data line that has graphite alkene conducting film and improves electromagnetic shielding performance, the purpose of designing this data line aims at improving the shielding performance of data line.

In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model discloses a data line with graphite alkene conductive film just improves electromagnetic shielding performance, including the transmission line and connect in the USB plug at transmission line both ends, the transmission line includes outside restrictive coating, set up in many signal lines, total ground wire and many control lines of restrictive coating inside, a serial communication port, the data line still includes:

the electromagnetic shielding layer is used for coating the plurality of signal lines, a bus ground line and the plurality of control lines to form an electromagnetic protection structure;

the wrapping layer is arranged outside the electromagnetic shielding layer;

and the longitudinal covering layer is arranged outside the wrapping layer and arranged in the sheath layer.

Furthermore, the electromagnetic shielding layer is a graphene conductive film layer.

Further, the inner surface of the sheath layer is formed with a tensile crack resistant layer through an extrusion process.

Furthermore, the anti-tear layer is a woven structure layer woven by the anti-tear rope.

Further, the general ground wire is arranged at a gap between two adjacent signal wires and the electromagnetic shielding layer.

Furthermore, the plurality of signal lines are provided with five signal lines which are distributed in the electromagnetic shielding layer in a star shape.

Furthermore, the plurality of control lines are provided with four control lines which are distributed in gaps among the four adjacent signal lines and the electromagnetic shielding layers and are far away from the total ground line.

Furthermore, the data line further comprises a filling line, and the filling line is arranged on the inner axis of the electromagnetic shielding layer.

Further, the wrapping layer is a PE polyester tape wrapping layer made of a PE polyester tape based on a wrapping process.

Further, the longitudinal cladding layer is an aluminum foil longitudinal cladding layer made of aluminum foil based on a longitudinal cladding process.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses data line electromagnetic shielding layer adopts graphite alkene conductive film, has improved the shielding property of data line, is equipped with around the covering in the outside of electromagnetic shielding layer, can stabilize the structure of data line around the covering, is equipped with the aluminium foil around the covering outside and indulges the covering, and the aluminium foil indulges the covering and also can play good shielding effect, and the aluminium foil indulges the covering and has thermal-insulated effect simultaneously.

Drawings

Fig. 1 is a schematic diagram of the DP data line structure of the present invention.

Fig. 2 is a cross-sectional view of the data line of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 2.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1: the utility model discloses a concrete structure as follows:

referring to fig. 1-3, fig. 1 is a diagram illustrating a DP data line.

The utility model discloses a data line with graphite alkene conductive film just improves electromagnetic shielding performance, including transmission line 7 and connect in the USB plug 8 at transmission line 7 both ends, transmission line 7 includes outside restrictive coating 72, set up in many signal lines 74, total ground wire 71 and many control lines 75 of restrictive coating 72 inside, the data line still includes:

an electromagnetic shielding layer 73 covering the plurality of signal lines 74, a bus line 71, and a plurality of control lines 75 to form an electromagnetic shielding structure;

a wrapping layer 77 disposed outside the electromagnetic shielding layer 73;

and the longitudinal cladding 78 is arranged outside the wrapping layer 77 and in the sheath layer 72.

A preferred technical solution of this embodiment: the electromagnetic shielding layer 73 is a graphene conductive film layer, the thickness of the graphene conductive film layer is 15-25nm, preferably 20nm, the 20nm graphene conductive film layer has a good shielding effect, and the electromagnetic shielding layer is used for tightly and electromagnetically shielding a plurality of signal lines 74 and a plurality of control lines 75.

A preferred technical solution of this embodiment: the inner surface of the sheath layer 72 is formed with a tensile crack prevention layer 79 through an extrusion process.

A preferred technical solution of this embodiment: prevent that split layer 79 for preventing the split rope from weaving the structural layer of weaving that forms, prevent that split layer 79 makes the utility model discloses a data line fastness.

A preferred technical solution of this embodiment: the common ground line 71 is disposed at a gap between two adjacent signal lines 74 and the electromagnetic shielding layer 73.

A preferred technical solution of this embodiment: five signal lines 74 are arranged and distributed inside the electromagnetic shielding layer 73 in a star shape.

A preferred technical solution of this embodiment: the plurality of control lines 75 are provided in four, and are distributed in the gaps between the four adjacent signal lines 74 and the electromagnetic shielding layer 73 and away from the common ground line 71.

A preferred technical solution of this embodiment: the data line further includes a filling line 6, and the filling line 6 is disposed on an inner axis of the electromagnetic shield layer 73.

A preferred technical solution of this embodiment: the wrapping layer 77 is a PE polyester tape wrapping layer made of a PE polyester tape based on a wrapping process.

A preferred technical solution of this embodiment: the longitudinal cladding 78 is an aluminum foil longitudinal cladding made of aluminum foil based on a longitudinal cladding process.

Example 2:

the utility model discloses a signal line 74 comprises wire, insulating cover and ground wire, and ground wire and wire parcel are inboard at insulating cover.

Example 3:

the filling line 6 is used for filling the space inside the sheath layer 72 of the signal line 74, so as to improve the compactness of the signal line 74 and the control line 75 inside the sheath layer 72 and improve the pressure resistance of the wire.

Example 4:

be equipped with around covering 77 around the outside of electromagnetic shield layer 73, around the structure that covering 77 can stabilize the data line, be equipped with the aluminium foil around covering 77 outside and indulge the covering, the aluminium foil is indulged the covering and also can be played good shielding effect, and the aluminium foil is indulged the covering and is had thermal-insulated effect simultaneously. The aluminum foil longitudinal cladding is convenient to use at high temperature, the overlapping rate of the aluminum foil is controlled within the range of 20% -45% in the preparation process, and the shielding effect is improved.

Example 5:

the utility model discloses a transmission line structure with graphite alkene conducting film and improve electromagnetic shielding performance's data line can be applied to the data line of following type:

such as USB3.0 data line, HDMI data line, DISPLAY PORT data line, type C data line.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. The utility model provides a data line with graphite alkene conducting film just improves electromagnetic shield performance, include transmission line (7) and connect in USB plug (8) at transmission line (7) both ends, transmission line (7) include outside restrictive coating (72), set up in many signal lines (74), total ground wire (71) and many control lines (75) of restrictive coating (72) inside, its characterized in that, the data line still includes:

an electromagnetic shielding layer (73) which covers the plurality of signal lines (74), a total ground line (71) and the plurality of control lines (75) to form an electromagnetic protection structure;

a wrapping layer (77) arranged outside the electromagnetic shielding layer (73);

and the longitudinal cladding (78) is arranged outside the wrapping layer (77) and in the sheath layer (72).

2. The data line with the graphene conductive film and the improved electromagnetic shielding performance of claim 1, wherein the electromagnetic shielding layer (73) is a graphene conductive film layer.

3. The data line with the graphene conductive film and the improved electromagnetic shielding performance of claim 1, wherein the inner surface of the sheath layer (72) is formed with a crack prevention layer (79) by an extrusion process.

4. The data line with the graphene conductive film and the improved electromagnetic shielding performance of claim 3, wherein the anti-tear layer (79) is a woven structure layer woven by anti-tear ropes.

5. The data line with the graphene conductive film and the improved electromagnetic shielding performance of claim 1, wherein the ground bus (71) is disposed in a gap between two adjacent signal lines (74) and the electromagnetic shielding layer (73).

6. The data line with the graphene conductive film and the improved electromagnetic shielding performance of claim 1, wherein the plurality of signal lines (74) are arranged in five shapes distributed inside the electromagnetic shielding layer (73).

7. The data line with the graphene conductive film and the improved electromagnetic shielding performance of claim 1, wherein four control lines (75) are disposed, distributed in the gaps between four adjacent signal lines (74) and the electromagnetic shielding layer (73), and far away from the total ground line (71).

8. The data line with the graphene conductive film and the improved electromagnetic shielding performance of claim 1, wherein the data line further comprises a filling line (6), and the filling line (6) is disposed on an inner axis of the electromagnetic shielding layer (73).

9. The data line with the graphene conductive film and the improved electromagnetic shielding performance of claim 1, wherein the wrapping layer (77) is a PE polyester tape wrapping layer prepared by a PE polyester tape based wrapping process.

10. The data line with the graphene conductive film and the improved electromagnetic shielding performance as claimed in claim 1, wherein the longitudinal cladding layer (78) is an aluminum foil longitudinal cladding layer made of aluminum foil based on a longitudinal cladding process.