CN2768357Y

CN2768357Y - Earphone with dual bell joints

Info

Publication number: CN2768357Y
Application number: CN 200520000100
Authority: CN
Inventors: 魏国扬
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-01-06
Filing date: 2005-01-06
Publication date: 2006-03-29
Anticipated expiration: 2015-01-06

Abstract

The utility model relates to a pair of earphones with double sound output openings, which comprises a cavity casing of which both sides are respectively provided with at least two left openings and right openings; a cavity pipe body with preset length is arranged between each left opening and each right opening. A loudspeaker monomer is inlay in the left openings; a left net cover covers the left openings, and a right net cover covers right openings. A part of sound wave energy generated by the loudspeaker monomer proceeds with resonance response in the cavity pipe body, and the sound is output from the direction of the right net cover. A part of the sound wave energy generated by the loudspeaker monomer is directly output from the direction of the left net cover dp medium sound and low sound are output from the sound output openins.

Description

Has the earphone that double tone outlet uses

Technical field

The utility model relates to a kind of earphone that double tone outlet uses that has, and particularly a kind of alt sound mouth or middle bass sound mouth selected comes the earphone of selective use.

Background technology

The typical structure of conventional earphone as shown in Figure 7 and Figure 8, a plastic casing A has the cavity A1 of an opening; Loudspeaker monomers B device is gone among this cavity A1; One guard C covers cavity A1, for realizing that sound wave produces the amplitude reinforced effects to different frequencies, plastic casing A is provided with at least more than one sound regulating hole A2 respectively, to promote the effect of frequency resonance, its tonequality frequency was unlikely too high when sound was exported from the loudspeaker monomers B, also referred to that tonequality is unlikely too sharp-pointed.

Yet because the cavity A1 space of plastic casing A is limited, the cavity response that its frequency resonance produced is limited, so the sonic frequency that earphone is exported is in middle and high scale all the time, can't offer the sense of hearing that the user hangs down sound equipment in belonging to.

Summary of the invention

The purpose of this utility model provides a kind of earphone that double tone outlet uses that has, and forms the cavity body of a predetermined length at loudspeaker monomer rear, and the rear of this cavity body forms the sound mouth of low sound equipment in, and low sound equipment must be from this sound mouth output in making.

A purpose more of the present utility model provides a kind of earphone that double tone outlet uses that has, and the tone outlet that the user can select to use alt to ring output uses, and the tone outlet of low sound equipment output uses in also can selecting to use.

Above-mentioned purpose of the present utility model is to realize like this, a kind of earphone with double tone outlet use, it is characterized in that comprising: cavity housing, its bilateral are respectively equipped with at least two left and right opening, are provided with the cavity body of predetermined length between the left and right opening; The loudspeaker monomer is embedded in the left opening; Cover the left guard of left opening; Cover the right guard of right opening.

Technique effect of the present utility model is to promote the authenticity of sound and the power output of middle bass greatly.

Below in conjunction with accompanying drawing the utility model is elaborated.

Description of drawings

Fig. 1 is a part three-dimensional exploded view in addition of the present utility model;

Fig. 2 is a sectional drawing of the present utility model;

Fig. 3 is another embodiment sectional drawing of the utility model;

Fig. 4 is another embodiment sectional drawing of the utility model;

Fig. 5 is another embodiment sectional drawing of the utility model;

Fig. 6 is another embodiment sectional drawing of the utility model;

Fig. 7 is the three-dimensional exploded view of known earphone;

Fig. 8 is the sectional drawing of known earphone.

Description of reference numerals: cavity housing 10; Left side opening 12; Conical Shells With 121,141; Sound regulating hole 122; Cavity body 13; Right opening 14; Little manifold 18; Loudspeaker monomer 20; Preceding wire side 22; Rear surface 24; Left side guard 30; Right guard 40;

Sound wave energy

50,60; Middle cavity shell 70; Middle cavity space 75; Inner diameter d, D; Electric wire S.

Embodiment

As shown in Figure 1 and Figure 2, the utility model is the earphone that has the double tone outlet use for a kind of, comprising:

Cavity housing 10, its bilateral are respectively equipped with at least two left and

right opening

12,14, are provided with the cavity body 13 of predetermined length between the left and

right opening

12,14;

Loudspeaker monomer 20 is embedded in the left opening 12;

Left side guard 30 covers left opening 12; Right guard 40 covers right opening 14;

The part sound wave energy that loudspeaker monomer 20 is produced is done resonance response in cavity body 13, and from right guard 40 directions output, the part sound wave energy that loudspeaker monomer 20 is produced is exported from left guard 30 directions.

In cavity body 13, to establish a little manifold 18 and supply the conductive electric wire S of loudspeaker monomer 20 to derive from this little manifold 18, this little manifold 18 can be made of plastic material.

The peristoma limit of left and right opening 12,14 forms larger-diameter Conical Shells With 121,141 respectively.

Loudspeaker monomer 20 can be embedded in the right opening 14.

Loudspeaker monomer 20 can be arranged in the cavity of suitable paragraph of cavity body 13 (as shown in Figure 5).

The rear surface 24 of loudspeaker monomer 20 corresponds to left guard 30, and preceding wire side 22 is corresponding to right guard 40 (as shown in Figure 6).

The rear surface 24 of loudspeaker monomer 20 can correspond to right guard 40, and preceding wire side 22 is corresponding to left guard 30 (as Fig. 2, shown in Figure 5).

Cavity body 13 and cavity housing 10 are made by metal material, and the appropriate location on whole cavity housing 10 is drilled with sound regulating hole 122.

Continuation is referring to Fig. 1, Fig. 2, loudspeaker monomer 20 can be established in left opening 12, also can select to be established in the right opening 14, during 20 pronunciations of loudspeaker monomer, the vibration outbound course of its sound wave energy is not restricted to the preceding wire side 22 of loudspeaker monomer 20, the sound wave of its vibration is also exported and is delivered to the cavity body 13 from the rear surface 24 of loudspeaker monomer 20, and the length of cavity body 13 and the number of internal diameter are to design according to the large and small of sound press source power.Sound wave energy 50 lotus root in cavity body 13 of vibration is closed, and formation resonance, thereby generation resonance frequency, its principle is as Helmholtz (Helmholtz) cavity, big according to cavity body 13 inner space shapes, little difference, can produce the amplitude reinforced effects to different frequency, its principle is as the musical instrument of drum, make the sound wave that is produced to be defined as middle bass by people's ear, and by the reinforcement frequency response of in cavity body 13 inside, resonating of sound wave energy, can promote the transmission of actual sound signal, therefore the energy 50 of the sound wave after lotus root is closed and resonates is from right opening 14 and the output of right guard 40 directions.Review from the sound wave of its preceding wire sides 22 outputs of loudspeaker monomer 20 can 60 most of sound waves all without cavity resonance, its sound wave is defined as the alt band by people's ear, directly from left guard 30 directions output.

So can 60 be defined as alt from the sound wave of left guard 30 directions output, bass from the sound wave of right guard 40 directions output can 50 be defined as.So, the user can according to hobby select in the right guard 40 of bass output or right opening 14 fill in the ear or select to fill in ear and listen to for the left guard 30 of alt output or left opening 12; Also can select left ear plug left side guard 30 or left opening 12, right guard 40 of right ear plug or right opening 14 use, and an ear can be heard the alt ripple thus, low sound wave during another ear can be heard.

As shown in Figure 3, but the passing through of little manifold 18 supply lines S, and its medium and small manifold 18 can be designed to plasticity, for example aluminium tube material or other its plastic material constitute, and therefore little manifold 18 is stressed and flexible shapes, as shown in Figure 4, little manifold 18 is bent into the U type, for hooking the ear in the people.

The internal diameter of right opening 14 can design with the inner diameter d of cavity body 13 and equate (as shown in Figure 3); As shown in Figure 2, the peristoma Conical Shells With that the limit forms 141 of right opening 14 makes the inner diameter d of its inside diameter D greater than cavity body 13, further make Conical Shells With 141 inner another cavitys that form, together with original cavity body 13, be defined as two cavitys, number of cavities increases, the vibration sound wave of loudspeaker monomer 20 (source of promptly pronouncing) can be responded in this two large and small different cavity, the number of cavities of different sizes the more, the resonance frequency that is produced higher (being that amplitude strengthens), the distortion rate that the sound of pronunciation ripple is transmitted is littler.

As shown in Figure 5, loudspeaker monomer 20 is configured in the suitable paragraph of cavity body 13, be built in the summary central cavity position of cavity body 13 as the embodiment system of Fig. 5, and be coated and fixed by the middle cavity shell 70 of big external diameter, the vebrato wave energy that wire side 22 and rear surface 24 are exported before this moment outputs to loudspeaker monomer 20 by middle cavity space 75 respectively, its left side, in cavity body 13 inner spaces of right two sides, the lotus root of doing sound wave amounts to and shakes, make from the sound wave energy 60 of left guard 30 with right guard 40 directions output, 50, all are the sound waves through cavity resonance, the lifting of low vocal cores was to promote greatly during its actual sound reached.

As shown in Figure 6, loudspeaker monomer 20 can rear surface 24 corresponding to left guard 30, preceding wire side 22 is corresponding to right guard 40, the partial tone wave energy 60 that rear surface 24 is produced is exported from left guard 30 directions, the sound wave energy 50 that preceding wire side 22 is produced is that this also is a possible embodiments of the present utility model from right guard 40 directions output after the cavity resonance of cavity body 13.

As Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, wherein on whole cavity housing 10 appropriate locations, can be provided with sound regulating hole 122 according to need, the sound wave that its purpose is intended to control output can be controlled in the scope of demand that the designer desires by 50,60 its scales (sound press).

In sum, the utility model is on single earphone body, designed the sound mouth more than at least two, the user can select wherein arbitrary sound mouth to fill in the ear thus, further makes the user can select to use the selective use of sound of its alt of earphone or the output of middle bass.

Claims

1, a kind of earphone with double tone outlet use is characterized in that comprising:

Cavity housing, its bilateral are respectively equipped with at least two left and right opening, are provided with the cavity body of predetermined length between the left and right opening;

The loudspeaker monomer is embedded in the left opening;

Cover the left guard of left opening;

Cover the right guard of right opening.

2, according to the described earphone with double tone outlet use of claim 1, it is characterized in that, establish a little manifold in the cavity body, derive from this little manifold for the conductive electric wire of loudspeaker monomer, this little manifold is made of plastic material.

3, have an earphone that double tone outlet uses according to claim 1 is described, it is characterized in that, in the peristoma limit of left and right opening form larger-diameter Conical Shells With respectively.

4, according to the described earphone of claim 1, it is characterized in that the loudspeaker monomer is embedded in the right opening with double tone outlet use.

5, according to the described earphone of claim 1, it is characterized in that the loudspeaker monomer places the cavity of the paragraph of cavity body with double tone outlet use.

6, according to the described earphone with double tone outlet use of claim 1, it is characterized in that the rear surface of loudspeaker monomer corresponds to left guard, preceding wire side is corresponding to right guard.

7, according to the described earphone with double tone outlet use of claim 1, it is characterized in that the rear surface of loudspeaker monomer corresponds to right guard, preceding wire side is corresponding to left guard.

8, according to the described earphone with double tone outlet use of claim 1, it is characterized in that cavity body and cavity housing are made by metal material, the appropriate location on the whole cavity housing is drilled with sound regulating hole.