CN209283446U - Earphone - Google Patents

Abstract

The utility model discloses a kind of earphones, comprising: earphone front cover and earphone rear cover, the earphone front cover and the earphone rear cover fasten one accommodating space of internal formation；It is arranged in the accommodating space, and the individual cavity structure being fixed on the earphone front cover, is fixed with moving iron unit in the individual cavity structure；It is arranged in the accommodating space, and the moving-coil unit being fixed between the earphone front cover and the earphone rear cover.The embodiments of the present invention, by the way that individual cavity structure is arranged in earphone, and moving iron unit is integrated in individual cavity structure, moving-coil unit and moving iron unit are kept apart, guarantee that moving-coil unit and moving iron unit will not interfere with each other, the generation of acoustic standing wave can be effectively reduced, reduce harmonic distortion；Moving iron unit is arranged in individual cavity structure, and sound wave is propagate directly to human ear ear canal by sound mouth, promotes the high-fidelity acoustical quality of earphone.

Description

Earphone

Technical field

The utility model relates to field of communication technology more particularly to a kind of earphones.

Background technique

With popularizing for portable consumer electronics product, earphone has been widely used in daily life.Ear Machine receives the electric signal that media player is issued, and the sound wave that can be heard is converted it into using the loudspeaker close to ear. Earphone includes moving-coil type, moving-iron type and the diversified forms such as electrostatic, moving coil earphone and moving-iron type earphone be two kinds of applications compared with For universal earphone, wherein moving coil earphone efficiency is relatively high, and reliability and durability；Moving-iron type earphone, can since unit volume is small To be easily put into ear canal, good sound insulation and leakproof audio fruit can be played.Earphone is typically designed to partly enter in the prior art Ear formula, half In-Ear Headphones go out the limitation of sound due to ante-chamber side, and high-frequency sound performance is caused to be attenuated, and cannot achieve sound height Fidelity.

Utility model content

The utility model embodiment provides a kind of earphone, cannot achieve sound high-fidelity to solve half In-Ear Headphones Problem.

In order to solve the above-mentioned technical problem, the utility model is realized in this way:

The utility model embodiment provides a kind of earphone, comprising: earphone front cover and earphone rear cover, the earphone front cover with The earphone rear cover fastens one accommodating space of internal formation；

It is arranged in the accommodating space, and the individual cavity structure being fixed on the earphone front cover, the separate chamber Moving iron unit is fixed in body structure；

It is arranged in the accommodating space, and the moving-coil list being fixed between the earphone front cover and the earphone rear cover Member.

In this way, in the utility model embodiment, by the way that individual cavity structure is arranged in earphone, and in individual cavity structure Upper integrated moving iron unit, moving-coil unit and moving iron unit are kept apart, and guarantee that moving-coil unit and moving iron unit will not interfere with each other, The generation of acoustic standing wave can be effectively reduced, reduce harmonic distortion；Moving iron unit is arranged in individual cavity structure, and sound wave passes through Sound mouth is propagate directly to human ear ear canal, promotes the high-fidelity acoustical quality of earphone.

Detailed description of the invention

It, below will be to the utility model embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 shows the structural schematic diagrams of the earphone of the utility model embodiment；

Fig. 2 indicates the moving iron unit schematic view of the mounting position of the utility model embodiment；

Fig. 3 indicates the schematic diagram of the individual cavity structure of the utility model embodiment；

Fig. 4 indicates that the moving iron unit radiation port of the utility model embodiment and the setting position of moving-coil unit radiation port are illustrated One of figure；

Fig. 5 indicates that the moving iron unit radiation port of the utility model embodiment and the setting position of moving-coil unit radiation port are illustrated The two of figure；

Fig. 6 indicates the individual cavity structure of the utility model embodiment and the schematic view of the mounting position of earphone front cover.

Description of symbols: 1, earphone front cover, 2, earphone rear cover, 3, individual cavity structure, 4, moving iron unit, 5, moving-coil list Member；

31, moving iron unit sound chamber, 32, moving iron unit radiation port, 33, moving-coil unit radiation port.

Specific embodiment

The exemplary embodiment of the utility model is more fully described below with reference to accompanying drawings.Although showing this in attached drawing The exemplary embodiment of utility model, it being understood, however, that may be realized in various forms the utility model without should be by here The embodiment of elaboration is limited.It is to be able to thoroughly understand the utility model, and energy on the contrary, providing these embodiments It is enough to be fully disclosed to those skilled in the art the scope of the utility model.

As shown in Figure 1, the embodiments of the present invention provide a kind of earphone, comprising: earphone front cover 1 and earphone rear cover 2, The earphone front cover 1 fastens one accommodating space of internal formation with the earphone rear cover 2；

It is arranged in the accommodating space, and the individual cavity structure 3 being fixed on the earphone front cover 1, the independence Moving iron unit 4 is fixed on cavity body structure 3；

It is arranged in the accommodating space, and the moving-coil list being fixed between the earphone front cover 1 and the earphone rear cover 2 Member 5.

In the embodiment, the earphone front cover 1, earphone rear cover 2 and individual cavity structure 3 are all plastic materials, are passed through Mold injection machine-shaping；The moving iron unit 4 and the moving-coil unit 5 are pronunciation devices, can be converted the electrical signal to Acoustic signals；The moving iron unit 4 have many characteristics, such as outstanding high frequency performance with it is small in size, moving iron unit 4 is mainly responsible for middle height The acoustic irradiation of frequency part, moving-coil unit 5 are mainly responsible for the acoustic irradiation of middle low frequency part.

The moving iron unit 4 is integrated in the individual cavity structure 3, and the fitting of individual cavity structure 3 is fixed on institute State the inside of earphone front cover 1；The moving-coil unit 5 is assembled on the earphone front cover 1 and is located at the moving iron unit 4 Rear side, the earphone front cover 1 is fastened with the earphone rear cover 2, to form complete headset body.

Individual cavity structure 3 is arranged by importing inside earphone front cover 1 in the embodiments of the present invention, and in separate chamber The moving iron unit 4 is installed in body structure 3, can effectively be kept apart moving-coil unit 5 and moving iron unit 4, guarantees the dynamic iron Unit 4 and the moving-coil unit 5 will not interfere with each other, and the generation of acoustic standing wave can be effectively reduced, reduce harmonic distortion；It is described Moving iron unit 4 is arranged in individual cavity structure 3, and sound wave is propagate directly to human ear ear canal by sound mouth, due to not having cavity Influence, improve the high-fidelity acoustical quality of earphone.

Specifically, as shown in Fig. 2, being provided with moving iron unit sound chamber 31, the moving iron unit in the individual cavity structure 3 4 are arranged in the moving iron unit sound chamber 31.

Wherein, the individual cavity structure 3 is equipped with the trench structure towards the accommodating space internal stretch, the slot The inner space of type structure forms the moving iron unit sound chamber (31)；The opening of the trench structure is towards in the accommodating space Portion.The moving iron unit 4 is fixed in the trench structure, since the moving-coil unit 5 is fixed on the earphone front cover 1, Installation site and the moving iron unit 4 are completely isolated, can guarantee moving-coil unit 5 and moving iron unit 4 since sound source to sound wave Communication process be completely independent, will not interfere with each other, be effectively reduced acoustic standing wave generation, reduce harmonic distortion.

The moving iron unit 4 and the joining place of the moving iron unit sound chamber 31 seal.In order to guarantee moving iron unit sound chamber 31 Leakproofness, when the moving iron unit 4 is assembled to the moving iron unit sound chamber 31, can the two be connected periphery fill bonding Object sealing, is further ensured that the independence of the communication process of moving iron unit 4 and 5 sound source of moving-coil unit and sound wave.

The structural schematic diagram of the individual cavity structure 3 is as shown in figure 3, offer dynamic iron in the individual cavity structure 3 Unit radiation port 32 and moving-coil unit radiation port 33；The moving iron unit radiation port 32 is connected to the moving iron unit sound chamber 31.

In the embodiment, two acoustic irradiation mouths are devised in the individual cavity structure 3, respectively correspond moving-coil unit With the acoustic irradiation channel of moving iron unit, the moving iron unit radiation port 32 and moving-coil unit radiation port 33 are independently arranged.It is described Moving iron unit radiation port 32 is connected to the moving iron unit sound chamber 31, and the individual cavity structure 3 is fitted in the earphone front cover 1 On, so that the sound that the moving iron unit 4 issues is propagate directly to human ear ear canal through the moving iron unit radiation port 32, avoid The influence of earphone internal cavity improves the medium-high frequency rdaiation response of sound wave, has widened the effective frequency range of earphone, to mention Rise the high-fidelity acoustical quality of earphone.

Optionally, as shown in figure 4, the moving-coil unit radiation port 33 is provided with the one of the moving iron unit radiation port 32 Side, alternatively, as shown in figure 5, the moving-coil unit radiation port 33 is provided with the left and right two of the moving iron unit radiation port 32 respectively Side.It should be noted that the position of the moving iron unit radiation port 32 and the moving-coil unit radiation port 33 can be according to demand Setting, but should ensure that being isolated for the sound that moving iron unit 4 and moving-coil unit 5 generate, it will not interfere with each other, and then sound is effectively reduced The generation of wave standing wave reduces harmonic distortion.

Specifically, sound mouth, the moving iron unit radiation port 32 and the moving-coil unit are offered on the earphone front cover 1 The inside of the sound mouth is arranged in radiation port 33.

It is mounted with setting position such as Fig. 6 institute of the individual cavity structure 3 of the moving iron unit 4 on the earphone front cover 1 Show, position and the institute of moving iron unit radiation port 32 and the moving-coil unit radiation port 33 are offered in the individual cavity structure 3 The aligned in position for offering sound mouth on earphone front cover 1 is stated, guarantees the sound of the generation of moving iron unit 4 through the moving iron unit Radiation port 32 and the sound mouth travel in human ear and the sound of the generation of the moving-coil unit 5 is through the moving-coil unit Radiation port 33 and the sound mouth travel in human ear.Ensure that moving iron unit 4 with moving-coil unit 5 since sound source, pass through Sound wave is radiated radiation port in cavity and is completely independent, and will not interfere with each other, and the production of acoustic standing wave can be effectively reduced Raw, reduction harmonic distortion.

Earphone provided by the embodiment of the utility model is suitable for including mobile phone, MP3 (dynamic image expert's compression standard audio Level 3, Moving Picture Experts Group Audio Layer III) player, MP4 (dynamic image expert pressure Contracting standard audio level 4, Moving Picture Experts Group Audio Layer IV) it is player, on knee portable A variety of terminal devices with sound transmission function such as computer, vehicle-mounted computer, desktop computer, the embodiment, by ear Individual cavity structure is set in machine, and integrates moving iron unit in individual cavity structure, moving-coil unit is isolated with moving iron unit It opens, guarantees that moving-coil unit and moving iron unit will not interfere with each other, the generation of acoustic standing wave can be effectively reduced, reduce harmonic wave mistake Very；Moving iron unit is arranged in individual cavity structure, and sound wave is propagate directly to human ear ear canal by sound mouth, can promote earphone High-fidelity acoustical quality.

All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.

Although the preferred embodiment of the utility model embodiment has been described, those skilled in the art are once learnt Basic creative concept, then additional changes and modifications can be made to these embodiments.So appended claims are intended to solve It is interpreted as including preferred embodiment and all change and modification for falling into the utility model embodiment range.

Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.

Above-described is preferred embodiments of the present invention, it should be pointed out that for the ordinary person of the art For, it can also make several improvements and retouch under the premise of not departing from principle described in the utility model, these are improved and profit It adorns also within the protection scope of the present utility model.

Claims (8)

1. a kind of earphone characterized by comprising earphone front cover (1) and earphone rear cover (2), the earphone front cover (1) with it is described Earphone rear cover (2) fastens one accommodating space of internal formation；

It is arranged in the accommodating space, and the individual cavity structure (3) being fixed on the earphone front cover (1), the independence Moving iron unit (4) are fixed on cavity body structure (3)；

It is arranged in the accommodating space, and the moving-coil list being fixed between the earphone front cover (1) and the earphone rear cover (2) First (5).

2. earphone according to claim 1, which is characterized in that be provided with moving iron unit on the individual cavity structure (3) Sound chamber (31), moving iron unit (4) setting is in the moving iron unit sound chamber (31).

3. earphone according to claim 2, which is characterized in that the individual cavity structure (3) is equipped with towards the appearance The trench structure of an internal stretch is emptied, the inner space of the trench structure forms the moving iron unit sound chamber (31)；

The opening of the trench structure is towards inside the accommodating space.

4. earphone according to claim 2, which is characterized in that the moving iron unit (4) and the moving iron unit sound chamber (31) joining place sealing.

5. earphone according to claim 2, which is characterized in that offer moving iron unit on the individual cavity structure (3) Radiation port (32) and moving-coil unit radiation port (33)；

The moving iron unit radiation port (32) is connected to the moving iron unit sound chamber (31).

6. earphone according to claim 5, which is characterized in that the moving-coil unit radiation port (33) is provided with the dynamic iron The side of unit radiation port (32).

7. earphone according to claim 5, which is characterized in that the moving-coil unit radiation port (33) is provided with described respectively The left and right sides of moving iron unit radiation port (32).

8. earphone according to claim 5, which is characterized in that sound mouth is offered on the earphone front cover (1), it is described dynamic The inside of the sound mouth is arranged in iron unit radiation port (32) and the moving-coil unit radiation port (33).