CN211507215U

CN211507215U - Electromagnetic interference resistant superfine high-definition coaxial cable

Info

Publication number: CN211507215U
Application number: CN201922001076.7U
Authority: CN
Inventors: 修殿鹏
Original assignee: Ruishi Intelligent Technology Suzhou Co ltd
Current assignee: Ruishi Intelligent Technology Suzhou Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-09-15
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses an anti-electromagnetic interference superfine high definition coaxial line, which comprises a sheath, an outer conductor layer, an insulating medium layer and an inner conductor, wherein the sheath is an insulating masking layer, the insulating masking layer comprises a vulcanized rubber insulating coat and an aluminum foil masking layer attached on the inner wall of the vulcanized rubber insulating coat, the aluminum foil masking layer comprises a plurality of aluminum foil strips parallel to the length direction of the vulcanized rubber insulating coat, a polyethylene mesh layer is arranged between the insulating masking layer and the outer conductor layer, the outer conductor layer is a woven mesh and aluminum-plastic composite tape longitudinal wrapping combination, the outer surface of the woven mesh and aluminum-plastic composite tape longitudinal wrapping combination is coated with a graphite conductive adhesive layer, a TPU thin layer is glued between the polyethylene mesh layer and the graphite conductive adhesive layer, the insulating medium layer wraps the inner conductor and is arranged inside the woven mesh and aluminum-plastic composite tape longitudinal wrapping combination, the utility model has the advantages that the aluminum foil masking layer shields, the graphite conductive adhesive layer blocks the dissipation of internal electromagnetic waves, and the whole line body is ensured to have a good transmission effect.

Description

Electromagnetic interference resistant superfine high-definition coaxial cable

Technical Field

The utility model belongs to the technical field of the communication wire rod and specifically relates to an anti-electromagnetic interference superfine high definition coaxial line.

Background

The coaxial line is a common signal transmission line, and a central copper core transmits high level and is coated by an insulating material; the cylindrical metal thin layer coaxial with the copper core is arranged outside the insulating material, so that low level is transmitted, and meanwhile, the insulating material plays a role in shielding.

Present coaxial line generally by the heart yearn, the insulating layer, the aluminium foil layer, weaving layer and sheath carry out layer coating shaping and form, aluminium foil layer and weaving layer act as the shielding layer, when there is electromagnetic interference in the external world, the electromagnetic wave is used in behind the shielding layer, can be at the inside eddy current that produces of shielding layer, because the existence of eddy current, the shielding layer can produce the electromagnetic wave equally so, and then be used in on the heart yearn and produce eddy current on the heart yearn, lead to the heart yearn to make the increase of the electric current of output when transmission control current, that is to say, present coaxial line has only carried out the weakening with external electromagnetic interference, and present coaxial line takes place easily to buckle in the use, its inside heart yearn of back of bending can receive extrusion deformation, make aluminium foil layer and weaving also receive wearing.

Disclosure of Invention

The purpose of the invention is as follows: the utility model aims to provide an anti-electromagnetic interference superfine high definition coaxial line to prior art not enough.

The technical scheme is as follows: the utility model relates to an anti-electromagnetic interference superfine high-definition coaxial line, which comprises an end head and a line body, wherein the line body comprises a sheath, an outer conductor layer, an insulating medium layer and an inner conductor, the sheath is an insulating masking layer, the insulating masking layer comprises a vulcanized rubber insulating sleeve and an aluminum foil masking layer attached to the inner wall of the vulcanized rubber insulating sleeve, the aluminum foil masking layer comprises a plurality of aluminum foil strips parallel to the length direction of the vulcanized rubber insulating sleeve, a polypropylene net jacket layer is arranged between the insulating masking layer and the outer conductor layer, the outer conductor layer is a woven net and aluminum-plastic composite belt longitudinal wrapping combination, the outer surface of the woven mesh and aluminum-plastic composite belt longitudinal wrapping combination is coated with a graphite conductive adhesive layer, a TPU thin film layer is glued between the polypropylene mesh sleeve layer and the graphite conductive adhesive layer, the insulating medium layer wraps the inner conductor and is arranged inside the woven mesh and aluminum-plastic composite tape longitudinal wrapping combination.

Preferably, the inner conductor includes two groups of the very thin wire core, and each group of the very thin wire core is coated with a very thin insulating layer.

Preferably, the superfine wire core in the superfine wire core group is a copper-clad aluminum wire core, and the superfine insulating layer is a PU film glue layer.

Preferably, the insulating medium layer is a PE insulating layer.

Preferably, the length of the wire body is less than 3 meters.

The utility model discloses compare and have following beneficial effect in prior art: (1) the plurality of aluminum foil strips parallel to the length direction of the vulcanized rubber insulating outer sleeve are used as aluminum foil masking layers attached to the inner wall of the vulcanized rubber insulating outer sleeve, so that a Faraday cage structure for shielding external electromagnetic wave interference can be formed on the premise of ensuring the surface insulation of the wire body, and the external electromagnetic wave is prevented from interfering the signal transmission in the wire body;

(2) the outer conductor layer is a woven mesh and aluminum-plastic composite belt longitudinal wrapping combination, and the outer surface of the woven mesh and aluminum-plastic composite belt longitudinal wrapping combination is coated with a graphite conductive adhesive layer, so that the diffraction interference caused by the overflow of electromagnetic radiation of the inner conductor and the outer conductor layer can be prevented, the stability and accuracy of signal conduction are ensured, and the signal conducted to a port through a wire body is ensured to be output in a high-definition state;

(3) the inner conductor comprises two groups of superfine wire core groups, the superfine wire cores are copper-clad aluminum wire cores, and the superfine insulating layers of PU film glue layers are coated outside the superfine wire core groups, so that the electromagnetic signal diffraction interference between the superfine wire cores inside the inner conductor can be avoided;

(4) the insulating medium layer is a PE insulating layer, so that the anti-interference performance of the wire body can be improved, and water and oxygen erosion can be prevented.

Drawings

Fig. 1 is a schematic sectional structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view of an end structure according to an embodiment of the present invention.

In the figure: 1. aluminum foil strips; 2. a vulcanized rubber insulating jacket; 3. a polypropylene mesh layer; 4. a TPU film layer; 5. a graphite conductive adhesive layer; 6. the woven mesh and the aluminum-plastic composite belt are longitudinally wrapped and combined; 7. a PE insulating layer; 8. copper-clad aluminum wire core; 9. a PU film adhesive layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for convenience in describing and simplifying the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

In the present invention, the terms "mounted", "connected", and "connected" are used herein unless otherwise specifically stated or limited,

The terms "connected" and "fixed" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

Example 1: an anti-electromagnetic interference ultra-fine high-definition coaxial line comprises an end head and a line body, wherein the line body comprises a sheath and an outer conductor layer, insulating medium layer and inner conductor, the sheath is insulating mask, insulating mask includes vulcanized rubber insulating cover 2 and attached aluminium foil mask on vulcanized rubber insulating cover 2 inner wall, aluminium foil mask includes the aluminium foil welt 1 of multichannel parallel to vulcanized rubber insulating cover 2 length direction, be equipped with polypropylene ethylene net jacket layer 3 between insulating mask and the outer conductor layer, the outer conductor layer is woven mesh and aluminium-plastic composite tape indulges package combination 6, the outer surface coating of woven mesh and aluminium-plastic composite tape indulge package combination 6 has graphite conductive adhesive layer 5, it has TPU thin layer 4 to glue between polypropylene ethylene net jacket layer 3 and the graphite conductive adhesive layer 5, insulating medium layer is wrapping up the inner conductor and is setting up in woven mesh and aluminium-plastic composite tape indulge package combination 6 inside.

The inner conductor comprises two groups of superfine wire core groups, and each group of superfine wire core groups are coated with superfine insulating layers.

The superfine wire core in the superfine wire core group is a copper-clad aluminum wire core 8, and the superfine insulating layer is a PU film adhesive layer 9.

The insulating medium layer is a PE insulating layer 7.

The length of the wire body is less than 3 meters.

The utility model discloses compare and have following beneficial effect in prior art: (1) the plurality of aluminum foil strips 1 parallel to the length direction of the vulcanized rubber insulating outer sleeve 2 are used as aluminum foil masking layers attached to the inner wall of the vulcanized rubber insulating outer sleeve 2, so that a Faraday cage structure for shielding external electromagnetic wave interference can be formed on the premise of ensuring the surface insulation of the wire body, and the external electromagnetic wave is prevented from interfering the signal transmission in the wire body;

(2) the outer conductor layer is a woven mesh and aluminum-plastic composite belt longitudinal wrapping combination 6, and the outer surface of the woven mesh and aluminum-plastic composite belt longitudinal wrapping combination 6 is coated with a graphite conductive adhesive layer 5, so that the diffraction interference caused by the overflow of electromagnetic radiation of the inner conductor and the outer conductor layer can be prevented, the stability and accuracy of signal conduction are ensured, and the signals conducted to a port through a wire body are ensured to be output in a high-definition state;

(3) the inner conductor comprises two groups of superfine wire core groups, the superfine wire cores are copper-clad aluminum wire cores 8, and the superfine insulating layers of PU film glue layers 9 are coated outside the superfine wire core groups, so that the electromagnetic signal diffraction interference between the superfine wire cores inside the inner conductor can be avoided;

(4) the insulating medium layer is a PE insulating layer 7, so that the anti-interference performance of the wire body can be improved, and water and oxygen erosion can be prevented;

(5) based on the coaxial nature of itself of tradition, when the length of traditional coaxial line is less than 3 meters, the line body internal interference is comparatively serious, can't effectively transmit the high definition model, and the utility model provides a line body configuration can know through the experiment that anti-interference effect is excellent when transmitting high definition signal, can realize the below 3 meters wire rod mat formation.

In the present invention, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacting the first feature and the second feature or indirectly contacting the first feature and the second feature through an intermediate. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example.

Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an anti-electromagnetic interference superfine high definition coaxial line, includes end and line body, the line body includes sheath, outer conductor layer, insulating medium layer and inner conductor, its characterized in that: the sheath is insulating masking layer, insulating masking layer includes the insulating overcoat of vulcanized rubber and attached aluminium foil masking layer on the insulating overcoat inner wall of vulcanized rubber, aluminium foil masking layer includes the aluminium foil welt that the multichannel is on a parallel with the insulating overcoat length direction of vulcanized rubber, be equipped with the polyethylene net jacket layer between insulating masking layer and the outer conductor layer, the outer conductor layer is woven mesh and aluminium-plastic composite tape indulges the package combination, the outer surface coating that woven mesh and aluminium-plastic composite tape indulged the package combination has graphite conductive adhesive layer, the veneer has the TPU thin layer between polyethylene net jacket layer and the graphite conductive adhesive layer, insulating dielectric layer is wrapping up the inner conductor and is setting up and is indulging the package combination inside woven mesh and aluminium-plastic composite tape.

2. The electromagnetic interference resistant ultra-fine high definition coaxial cable of claim 1, wherein: the inner conductor comprises two groups of superfine wire core groups, and each group of superfine wire core groups are coated with superfine insulating layers.

3. The electromagnetic interference resistant ultra-fine high definition coaxial cable of claim 2, wherein: the ultra-fine wire core in the ultra-fine wire core group is a copper-clad aluminum wire core, and the ultra-fine insulating layer is a PU film adhesive layer.

4. The electromagnetic interference resistant ultra-fine high definition coaxial cable of claim 1, wherein: the insulating medium layer is a PE insulating layer.

5. The electromagnetic interference resistant ultra-fine high definition coaxial cable of claim 1, wherein: the length of the wire body is less than 3 meters.