CN206517566U - A kind of minor diameter superconduction earphone cord - Google Patents

Abstract

The utility model discloses a kind of minor diameter superconduction earphone cord; including a plug, two-loudspeaker, the wire group being electrically connected between the two-loudspeaker and plug; the wire group includes the wire of structure identical first, the second wire, including electrode line, buffer insulation layer, negative line, screen layer, protective layer；The electrode line positioned at least one carbon nano tube line at center and many superconduction ribbon lines by constituting, and each superconduction ribbon line is wound in carbon nano tube line periphery；The buffer insulation layer is to be formed by semi-synthetic insulating paper by being helically wrapped in electrode line periphery；The negative line is to be wound in buffer insulation layer periphery by many superconduction ribbon lines to be formed；The screen layer coats the periphery for being placed on electrode line；The protective layer coats the periphery for being placed on screen layer；This earphone cord not only has stronger stretching resistance, and diameter is reduced to original 1/2nd.

Description

A kind of minor diameter superconduction earphone cord

Technical field

The utility model is related to electric wire art, refers in particular to a kind of minor diameter superconduction earphone cord.

Background technology

Nowadays, increasing audio-video user, such as mobile phone, MP3, tablet personal computer, laptop computer are connected using earphone Calling replies calling, so that during answer or calling, the user can vacate both hands to do some other things, such as PC is operated, and in the environment more than people, having on earphone appreciation audio-video product can avoid bothering others.Therefore.Earphone is obtained Increasing application is arrived.

Usual earphone includes an earphone cord, one be electrically connected at the earphone cord one end plug and two electrically It is connected to the loudspeaker of the earphone cord other end.The earphone cord includes electrode line, a negative line and is coated on institute State the sheath of side outside positive and negative polar curve.Existing positive and negative polar curve is all made up of the high conductivity metal material such as copper or aluminium. Because the high conductivity metal material pliability such as copper or aluminium is relatively low, the earphone cord of above-mentioned earphone usually can in use, by In extraneous pulling force or the gravity of itself, and repeatedly around folding, and to be coated on positive and negative electrode thread breakage in sheath, from And cause the earphone to be continuing with.But except earphone cord, plug and loudspeaker are all good, if only just as The anti-deficiency around folding degree of earphone cord, and cause the damage of whole earphone and lose the earphone, very big waste can be caused, and not Beneficial to environmental protection.

Utility model content

In view of this, in view of the existing deficiencies of the prior art, its main purpose is to provide a kind of minor diameter to the utility model Superconduction earphone cord, it not only has stronger stretching resistance, and diameter is reduced to original 1/2nd, so as to overcome existing skill The deficiency of art.

To achieve the above object, the utility model is using following technical scheme：

A kind of minor diameter superconduction earphone cord, including a plug, the two-loudspeaker corresponding to the left ear of human body and auris dextra, electrically connect The wire group between the two-loudspeaker and plug is connected to, the wire group includes being directed to the first wire, the pin of left ear loudspeaker To the second wire of right ear speakers,

The structure of first wire and the second wire is identical, includes

One electrode line, the electrode line is by least one carbon nano tube line and many superconduction ribbon line groups positioned at center Into each superconduction ribbon line is wound in carbon nano tube line periphery；

One buffer insulation layer, the buffer insulation layer is by being helically wrapped in electrode line periphery shape by semi-synthetic insulating paper Into；

One negative line, the negative line is to be wound in buffer insulation layer periphery by many superconduction ribbon lines to be formed；

One screen layer, cladding is placed on the periphery of electrode line；

One protective layer, cladding is placed on the periphery of screen layer.

As a kind of preferred scheme, the screen layer is entwined by some copper wires.

As a kind of preferred scheme, the screen layer includes aluminium foil and braiding copper wire, and the aluminium foil is paperwrapped in outside braiding copper wire Week.

As a kind of preferred scheme, the CNT in the carbon nano tube line is single-walled carbon nanotube, double wall carbon nano-tubes Pipe or multi-walled carbon nanotube, or its combination；When the carbon nano tube line is single-walled carbon nanotube, the single-walled carbon nanotube A diameter of 0.5 nanometer~50 nanometers；When the carbon nano tube line is double-walled carbon nano-tube, the diameter of the double-walled carbon nano-tube For 1 nanometer~50 nanometers；When the carbon nano tube line is multi-walled carbon nanotube, a diameter of the 1.5 of the multi-walled carbon nanotube receives Rice~50 nanometers.

As a kind of preferred scheme, first wire and the second wire are set close to one end of two-loudspeaker for separate type Put, set close to one end of plug for side-by-side adhesion, wherein, the protective layer close to one end of plug is adhesive into one.

As a kind of preferred scheme, cotton thread is embedded with the protective layer, the cotton thread is connected to the first wire and second led Between line.

The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology Scheme is understood, due to the first wire for left ear loudspeaker and identical for the second conductor structure of right ear speakers, is wrapped Include electrode line, buffer insulation layer, negative line, screen layer, protective layer.So, electrode line and negative line are arranged on same lead simultaneously On line, it is electrically connected with respectively as the positive pole on the electrode line and negative line, with plug of same wire, negative pole.Also, the positive pole By buffer insulation layer mutually insulated between line and negative line, so, two polar curves formation current loop on same wire, Need to be separated into positive wire, cathode conductor into the setting of two lines cable relative to tradition, this product reduces cable Diameter.Further, since in the centrally disposed carbon nano tube line of electrode line, the carbon nano tube line is held in the earphone cord as one kind Connect element, for bear external tensile force or deadweight caused by pulling force, or the earphone cord reverse, distortion when it is produced around Roll over power.

More clearly to illustrate architectural feature of the present utility model and effect, come below in conjunction with the accompanying drawings with specific embodiment pair The utility model is described in detail.

Brief description of the drawings

Fig. 1 is the earphone cord overall structure diagram of the embodiment of the utility model.

Fig. 2 is sectional view of the earphone cord close to loudspeaker one end of the embodiment of the utility model.

Fig. 3 is that the earphone cord of the embodiment of the utility model leans on the sectional view of plug one end.

Fig. 4 is the winding figure of the electrode line of the embodiment of the utility model.

Accompanying drawing identifier declaration：

10th, plug 20, loudspeaker

30th, wire group 301, the first wire

302nd, the second wire 31, electrode line

311st, carbon nano tube line 312, superconduction ribbon line

32nd, buffer insulation layer 33, negative line

34th, screen layer 35, protective layer

36th, cotton thread.

Embodiment

It refer to shown in Fig. 1 to Fig. 4, be a kind of that show the concrete structure of the preferred embodiment of the utility model Minor diameter superconduction earphone cord, automatic signal generator is carried out for transmitting（For example, it may be mobile phone, MP3, MP4, tablet personal computer, computer Etc. equipment）Electric signal.

As shown in figure 1, the structure of the earphone cord includes a plug 10, the two-loudspeaker corresponding to the left ear of human body and auris dextra 20th, the wire group 30 between the two-loudspeaker 20 and plug 10 is electrically connected at, the wire group 30 is raised including being directed to left ear First wire 301 of sound device, the second wire 302 for right ear speakers.

Wherein, as shown in Fig. 2 the structure of the wire 302 of the first wire 301 and second is identical, including an electrode line 31, One buffer insulation layer 32, a negative line 33, a screen layer 34, a protective layer 35.The electrode line 31 be by positioned at center at least A piece carbon nano tube line 311 and many superconduction ribbon lines 312 are constituted, and each superconduction ribbon line 312 is wound in outside carbon nano tube line 311 Week（See Fig. 4）.The buffer insulation layer 32 is to be formed by semi-synthetic insulating paper by being helically wrapped in the periphery of electrode line 31.This is born Polar curve 33 is to be wound in the periphery of buffer insulation layer 32 by many superconduction ribbon lines 312 to be formed.The screen layer 34 cladding is placed on positive pole The periphery of line 31.The protective layer 35 coats the periphery for being placed on screen layer 34.

So, electrode line 31 and negative line 33 are arranged on same wire simultaneously, positive pole respectively as same wire and Positive pole, negative pole on cathode conductor, with plug 10 are electrically connected with.Also, pass through buffering between the electrode line 31 and negative line 33 The mutually insulated of insulating barrier 32, so, two polar curves formation current loop on same wire are needed positive pole relative to tradition Wire, cathode conductor are separated into the setting of two lines cable, and this product reduces the diameter of a cable.

Further, since electrode line 31 and negative line 33 are made of superconductor, positive electrode current and cathodal current generally have There is almost identical size and cancel out each other, be nearly free from voltage drop, so as to reduce voltage loss, earphone sound can be improved Matter.

Further, as shown in figure 4, due in electrode line 31 centrally disposed carbon nano tube line 311, the carbon nano tube line 311 As a kind of bearer element in the earphone cord, for bearing pulling force caused by external tensile force or deadweight, or the earphone cord It is produced around folding power when reversing, distorting.It is understood, however, that because carbon nano tube line 311 also has good lead Electrically, when electrode line 31 fractures in use, carbon nano tube line 311 can also be used as wire, so as to further Extend the life-span of earphone.It should be noted that what is presented in Fig. 4 is that a superconduction ribbon line 312 is wrapped in a CNT The periphery of line 311, but during production application, the quantity of superconduction ribbon line 312 and carbon nano tube line 311 is not limited to one, can be with For many.

In the present embodiment, the carbon nano tube line for the non-twisted that the carbon nano tube line 311 can constitute for many CNTs Or the carbon nano tube line reversed.The diameter of the carbon nano tube line can be 4.5 nanometers~100 microns.The carbon nanometer of the non-twisted CNT membrane can be handled and obtained by pipeline by organic solvent.The CNT line length of the torsion is not limited, a diameter of 0.5 nanometer~100 microns.Further, the carbon nano tube line of above-mentioned torsion can be handled using a volatile organic solvent.Waving In the presence of the surface tension produced during the organic solvent volatilization of hair property, adjacent carbon is received in the carbon nano tube line of the torsion after processing Mitron is combined closely by Van der Waals force, the diameter and specific surface area of the carbon nano tube line of torsion is further reduced, so that Its density and intensity further increase.It is appreciated that the CNT in carbon nano tube line 311 can be single-walled carbon nanotube, Double-walled carbon nano-tube or multi-walled carbon nanotube, or its combination.When the carbon nano tube line 311 is single-walled carbon nanotube, The diameter of the single-walled carbon nanotube can be 0.5 nanometer~50 nanometers.When the carbon nano tube line 311 is double-walled carbon nano-tube When, the diameter of the double-walled carbon nano-tube can be 1 nanometer~50 nanometers.When the carbon nano tube line 311 is multi-walled carbon nanotube When, the diameter of the multi-walled carbon nanotube can be 1.5 nanometers~50 nanometers.

The screen layer 34 is entwined by some copper wires.For example, the copper wire is ultra-fine copper wire, and and for example, each copper wire Between closely arrange.It should be noted that the quantity of copper wire is determined by the diameter of tone frequency channel wire, when being relatively large in diameter for tone frequency channel wire When, it is necessary to copper wire quantity also accordingly increase, so in the presence of some copper wires, it is therefore prevented that the electromagnetic field such as external electromagnetic waves Interference, shields external environment condition and the dry of signal wire is scratched, improve the antijamming capability of tone frequency channel wire.Or, the screen layer 34 Aluminium foil and braiding copper wire can also be included, the aluminium foil is paperwrapped in braiding copper wire periphery.Can further it be carried in the presence of aluminium foil The anti-of high audio line is done around ability.

With reference to Fig. 1 and Fig. 2, the wire 302 of the first wire 301 and second is separate type close to one end of two-loudspeaker 20 Set, set close to one end of plug 10 for side-by-side adhesion, wherein, see that protective layers 35 of the Fig. 3 close to one end of plug 10 glues It is connected as a single entity.Be embedded with cotton thread 36 in the protective layer 35, the cotton thread 36 be connected to the first wire 301 and the second wire 302 it Between.In this way, because cotton thread 36 has toughness, the tensile capacity of headset cord can be improved, it is to avoid external force coup injury earphone cord Wire inside cable.

The protective layer 35 is used to be particularly the whole earphone cord insulation in the outside of first, second wire 301,302 Paint shields.The material that the protective layer 35 is often selected is in polyvinyl chloride, vinyl chloride, crosslinkable polyethylene, polypropylene etc. One or more.In the present embodiment, the protective layer 35 is prepared by polyvinyl chloride.

It is described above, only it is preferred embodiment of the present utility model, not technical scope of the present utility model is made Any limitation, therefore every any trickle amendment made according to technical spirit of the present utility model to above example, equivalent change Change with modification, in the range of still falling within technical solutions of the utility model.

Claims (6)

1. a kind of minor diameter superconduction earphone cord, including a plug（10）, corresponding to the two-loudspeaker of the left ear of human body and auris dextra（20）、 It is electrically connected at the wire group between the two-loudspeaker and plug（30）, the wire group includes being directed to the of left ear loudspeaker One wire（301）, for the second wire of right ear speakers（302）, it is characterised in that：

The structure of first wire and the second wire is identical, includes

One electrode line（31）, the electrode line is by least one carbon nano tube line positioned at center（311）And many superconduction banding patterns Line（312）Composition, each superconduction ribbon line is wound in carbon nano tube line periphery；

One buffer insulation layer（32）, the buffer insulation layer is by being helically wrapped in electrode line periphery shape by semi-synthetic insulating paper Into；

One negative line（33）, the negative line is to be wound in buffer insulation layer periphery by many superconduction ribbon lines to be formed；

One screen layer（34）, coat the periphery for being placed on electrode line；

One protective layer（35）, coat the periphery for being placed on screen layer.

2. a kind of minor diameter superconduction earphone cord according to claim 1, it is characterised in that：The screen layer（34）If be by Dry copper silk is entwined.

3. a kind of minor diameter superconduction earphone cord according to claim 1, it is characterised in that：The screen layer（34）Including aluminium Paper tinsel and braiding copper wire, the aluminium foil are paperwrapped in braiding copper wire periphery.

4. a kind of minor diameter superconduction earphone cord according to claim 1, it is characterised in that：The carbon nano tube line（311） In CNT be single-walled carbon nanotube, double-walled carbon nano-tube or multi-walled carbon nanotube, or its combination；When the carbon is received Mitron line（311）During for single-walled carbon nanotube, a diameter of 0.5 nanometer~50 nanometers of the single-walled carbon nanotube；When the carbon is received Mitron line（311）During for double-walled carbon nano-tube, a diameter of 1 nanometer~50 nanometers of the double-walled carbon nano-tube；When carbon nanometer Pipeline（311）During for multi-walled carbon nanotube, a diameter of 1.5 nanometers~50 nanometers of the multi-walled carbon nanotube.

5. a kind of minor diameter superconduction earphone cord according to claim 1, it is characterised in that：The wire group（30）In, lean on Nearly two-loudspeaker（20）First wire of one end（301）And second wire（302）Set for separate type, close to plug（10）One Hold and set for side-by-side adhesion, wherein, close to plug（10）One end protective layer（35）It is adhesive into one.

6. a kind of minor diameter superconduction earphone cord according to claim 5, it is characterised in that：The protective layer（35）It is interior embedded There is cotton thread（36）, the cotton thread is connected to the first wire（301）And second wire（302）Between.