CN207165274U - A kind of easily peelable anti-interference half air insulation radio-frequency cable - Google Patents

Abstract

The utility model provides a kind of easily peelable anti-interference half air insulation radio-frequency cable, integument in conduction copper core surrounding, is connected between interior integument by obstructing skeleton；Metallic shield net is cased with outside conduction copper core and barrier skeleton; metallic shield net is externally provided with inner protective layer; inner protective layer is externally provided with tear line; tear line is externally provided with tear line integument; inner protective layer and tear line integument are merged; inner protective layer and tear line integument are externally provided with ferrite layer, and ferrite layer is wrapped with fire-retardant overcoat.Radio-frequency cable described in the utility model, barrier skeleton is formed using the PE that foams, and conduction copper core is fixed on different directions, utilize interfering between the decrease conduction copper core of the air gap, abatement shielding is carried out to outside electromagnetic interference information using metallic shield net and ferrite powder layer, the overall noiseproof feature of cable is improved, it is anti-interference by inside and outside to be lifted, peel off simple, it is time saving and energy saving not injure cable also, there is wide applicability in field of cables.

Description

A kind of easily peelable anti-interference half air insulation radio-frequency cable

Technical field

Communication transfer engineering device technique field is the utility model is related to, specifically, the utility model is more particularly to a kind of easy-peel From the technical field of anti-interference half air insulation radio-frequency cable.

Background technology

Radio-frequency cable be transmit radio-frequency region in electromagnetic energy cable, radio-frequency cable be various radio communications systems and Indispensable element in electronic equipment, obtained in radio communication and broadcast, TV, radar, navigation, computer and instrument etc. To being widely applied, the demand of various radio-frequency cables sharply increases in 4G construction.Wires and cables industry is that China is only second to The second largest industry of automobile industry, product variety Service Efficiency and domestic market occupation rate are more than 90%.Worldwide, in State's electric wire gross output value exceedes the U.S., turns into the first big electric wire producing country in the world.Along with Chinese electric wire Industry high speed development, creation of new enterprise quantity constantly rise, and industry overall technology level is largely increased.China's economic continues soon The growth of speed, the huge market space, the strong temptation of Chinese market so that the world is all sight are provided for cable products Chinese market is focused on, in the short decades of reforming and opening up to the outside world, the huge production capacity that Chinese cable manufacturing industry is formed allows generation Regard with special esteem on boundary.As the industries such as China electric power industry, data communication industry, urban track traffic industry, car industry and shipbuilding are advised The continuous expansion of mould, the demand of electric wire will also be increased rapidly, following electric wire industry also has huge development potentiality, but It is the particularity because high frequency signal transmission, radio-frequency cable should consider interference of the external signal to signal in cable, also examine Consider interfering between signal in cable.

At present, radio-frequency cable can be divided into by insulation pattern classification：（1）Entity insulated cable, led inside and outside this cable Entity frequency dielectric is completely filled out between body, most of soft coaxial radio frequency cables are all to use this insulation pattern.（2）Air Insulated cable, in the insulating barrier of cable, in addition to supporting a part of solid dielectric of internal and external conductor, remaining most of volume is Air.It, which is structurally characterized in that from a conductor to another conductor, can not pass through dielectric layer.Airspace cable has very low Decay, be under hyperfrequency commonly use structural shape.（3）Half airspace cable, this structural shape are between above two Between a kind of insulating forms, it insulate and combined by air and solid dielectric, but is led from a conductor to another Body is needed by solid dielectric layer.

But airspace cable and half airspace cable are all to utilize the gap between coaxial cable coaxial layer at present Formed, coaxial cable causes the increase of cloth line pressure, if it is desired to improve transmission because its own characteristic can not carry out multi-set parallel Efficiency, the big quantity space of cable channel is taken, coaxial cable bears the ability of entanglement, pressure and serious bending in addition Difference, this can cause to damage the construction of cable, prevent the transmission of signal；Other coaxial cable production cost is high.

The content of the invention

Coaxial configuration is used for half air insulating layer cable in prior art radio-frequency cable and airspace cable, is caused The technological deficiency that wire harness coarse cloth line pressure is big, resistant to damage ability and cost are high, the utility model provide a kind of easily peelable anti- Half air insulation radio-frequency cable is disturbed, design foaming PE obstructs to conduction copper core in the device, forms pneumoelectric cable in midair, The mutual transmission that the distance between efficiency of transmission and resistant to damage rate, increase conduction copper core are improved between inner conductive copper core is improved to do Disturb, extraneous interference signal is shielded using gauze screen and ferrite layer, be integrally improved the interference performance of radio-frequency cable, Cable production art has broad applicability.

The technical scheme that the utility model is provided is as follows：

The utility model provides a kind of easily peelable anti-interference half air insulation radio-frequency cable, including conduction copper core, barrier Skeleton, ferrite layer, inner protective layer and fire-retardant overcoat, conduction copper core surrounding set in integument, pass through resistance between interior integument Connected every skeleton；Metallic shield net is cased with outside conduction copper core and barrier skeleton, metallic shield net is externally provided with inner protective layer, interior protection Layer is externally provided with tear line, and tear line is externally provided with tear line integument, and inner protective layer and tear line integument are merged, interior guarantor Sheath and tear line integument are externally provided with ferrite layer, and ferrite layer is wrapped with fire-retardant overcoat.

In the utility model, ferrite layer is that ferrite powder coats dry formed in PVA glue after even suspension Ferrite PVA mixture layers.

In the utility model, conduction copper core is the thin copper core of single copper core or strands together.

In the utility model, conduction copper core has more than three groups, and adjacent conductive copper core is equal with the angle that barrier skeleton is formed.

In the utility model, tear line is triangle.

In the utility model, ferrite powder last layer is coated outside tear line.

In the utility model, the distance between adjacent interior integument outer wall is more than 2 times of conduction copper core radius.

The beneficial effects of the utility model：

The easily peelable anti-interference half air insulation radio-frequency cable of one kind described in the utility model, using foaming, PE forms barrier Conduction copper core is fixed on different directions by skeleton, using interfering between the decrease conduction copper core of the air gap, utilizes metal Gauze screen and ferrite layer carry out abatement shielding to outside electromagnetic interference information, improve the overall noiseproof feature of cable, will It is inside and outside it is anti-interference lifted, using tear line so that the cable assembling when it is lighter, as long as tear line is torn and uses pincers Son pulls barrier skeleton and just can be stripped out each conduction copper core, time saving and energy saving not injure cable also, has in field of cables Wide applicability.

Brief description of the drawings

Fig. 1 is shown as cross-sectional view of the present utility model.

Fig. 2 is shown as the utility model dimensional structure diagram.

In Fig. 1-2, the fire-retardant overcoat of 1- conduction copper cores, 2-, 3- ferrite layers, 4- inner protective layers, 5- metallic shields net, in 6- Integument, 7- tear lines integument, 8- tear lines, 9- barrier skeletons.

Embodiment

Below in conjunction with the accompanying drawings 1,2 and embodiment, specific embodiment of the present utility model is described in further detail, but The utility model device is not limited to following embodiments.

In the utility model, for the ease of description, in the utility model device, the relative position relation of each part Description is that with reference to the accompanying drawings 1 Butut mode is described, such as：The position relationships such as upper and lower, left and right are the cloth according to accompanying drawing 1 Figure direction determines.

The conduction copper core that the utility model uses（1）, fire-retardant overcoat（2）, ferrite powder, inner protective layer（4）, metal screen Cover net（5）, interior integument（6）, tear line integument（7）, tear line（8）With barrier skeleton（9）Itself manufactures raw material It can buy or customize by public channel.

The technical scheme that the utility model is provided is as follows：

The utility model provides a kind of easily peelable anti-interference half air insulation radio-frequency cable, including conduction copper core（1）, resistance Every skeleton（9）, ferrite layer（3）, inner protective layer（4）With fire-retardant overcoat（2）, conduction copper core（1）Integument in surrounding setting （6）, interior integument（6）Between by obstructing skeleton（9）Connection；Conduction copper core（1）With barrier skeleton（9）It is cased with metallic shield outside Net（5）, metallic shield net（5）It is externally provided with inner protective layer（4）, inner protective layer（4）It is externally provided with tear line（8）, tear line（8）Peripheral hardware There is tear line integument（7）, inner protective layer（4）With tear line integument（7）It is merged, inner protective layer（4）And tear line Integument（7）It is externally provided with ferrite layer（3）, ferrite layer（3）It is wrapped with fire-retardant overcoat（2）.

In the utility model, ferrite layer（3）Coat to dry after even suspension in PVA glue for ferrite powder and formed Ferrite PVA mixture layers.

In the utility model, conduction copper core（1）For the thin copper core of single copper core or strands together.

In the utility model, conduction copper core（1）There are more than three groups, adjacent conductive copper core（1）With obstructing skeleton（9）Formed Angle is equal.

In the utility model, tear line（8）For triangle.

In the utility model, tear line（8）Outer coating ferrite powder last layer.

In the utility model, adjacent interior integument（6）The distance between outer wall is more than conduction copper core（1）2 times of radius.

When manufacturing the utility model, by conduction copper core（1）Draw, by conduction copper core（1）Using foaming, PE is wrapped up simultaneously It is fixed in a circumferential direction, foaming PE formed around conduction copper core in integument（6）, PE is in conduction copper core for foaming（1）Between Form barrier skeleton（9）, after position is fixed, in conduction copper core（1）Outer layer wraps metallic shield net（5）, metallic shield net （5）Using copper mesh, then by a tear line（8）One layer of ferrite powder last layer of outer coating or other organic glue layers, by gold Belong to gauze screen（5）Conduction copper core after wrapping（1）And tear line（8）Parallel arrangement, in outer layer inner protective layer（4）Closing, most Ferrite powder is added into water afterwards and PVA supports are thick, in inner protective layer（4）Paint ferrite layer outside（3）, then in outer layer Wrap fire-retardant overcoat（2）Complete cable is formed, is put in storage as needed after packing packaging.

The utility model device forms the barrier skeleton of conduction copper core using the PE that foams, by conduction copper core（1）It is separated from each other And with barrier skeleton（9）It is fixed, reduce conduction copper core（1）Between interfere, facilitate the transmission of radiofrequency signal, solve Airspace cable and half airspace cable are formed using the gap between coaxial cable coaxial layer, coaxial cable wiring Pressure is big, takes that the space of cable channel is big, bear to tangle, the ability of pressure and serious bending it is also poor, production cost is high Problem, support glue to disperse ferrite powder wherein using PVA and be adhered to inner protective layer（4）Appearance, with Integral cable Shaping, glue-line is difficult to come off, and forms the electro-magnetic screen layer being permanently fixed, and utilizes triangle tear line（8）It is easy to tear Split line integument（7）With fire-retardant overcoat（2）Tear apart, in tear line（8）Around add ferrite powder last layer or organic gel Water layer so that the cable concordantly cut is in tear line（8）Bottle opener can be used when can not be got at pliers from tear line（8）Surrounding is inserted Enter, by tear line（8）Tilt, although preventing tear line（8）But operating personnel can not catch tear line（8）Head and can not tear The problem of splitting, there is wide applicability in strong shielded cable field.

As described above, you can preferably realize the utility model, the above embodiments are only to of the present utility model excellent Select embodiment to be described, not the scope of the utility model is defined, do not depart from the utility model design spirit On the premise of, various modifications and improvement that those of ordinary skill in the art make to the technical solution of the utility model, it all should fall In the protection domain for entering the utility model determination.

Claims (7)

1. a kind of easily peelable anti-interference half air insulation radio-frequency cable, it is characterised in that including conduction copper core, barrier skeleton, iron Oxysome layer, inner protective layer and fire-retardant overcoat, conduction copper core surrounding set in integument, connected by obstructing skeleton between interior integument Connect；Metallic shield net is cased with outside conduction copper core and barrier skeleton, metallic shield net is externally provided with inner protective layer, and inner protective layer is externally provided with Tear line, tear line are externally provided with tear line integument, and inner protective layer and tear line integument are merged, and inner protective layer and tear Split line integument and be externally provided with ferrite layer, ferrite layer is wrapped with fire-retardant overcoat.

2. easily peelable anti-interference half air insulation radio-frequency cable as claimed in claim 1, it is characterised in that described ferrite Layer coats after even suspension in PVA glue for ferrite powder and dries the ferrite PVA mixture layers formed.

3. easily peelable anti-interference half air insulation radio-frequency cable as claimed in claim 1, it is characterised in that described conductive copper Core is the thin copper core of single copper core or strands together.

4. easily peelable anti-interference half air insulation radio-frequency cable as claimed in claim 1, it is characterised in that the conduction copper core There are more than three groups, adjacent conductive copper core is equal with the angle that barrier skeleton is formed.

5. easily peelable anti-interference half air insulation radio-frequency cable as claimed in claim 1, it is characterised in that the tear line is Triangle.

6. easily peelable anti-interference half air insulation radio-frequency cable as claimed in claim 1, it is characterised in that outside the tear line Coat ferrite powder last layer.

7. easily peelable anti-interference half air insulation radio-frequency cable as claimed in claim 1, it is characterised in that the adjacent interior bag The distance between covering layer outer wall is more than 2 times of conduction copper core radius.