CN210202038U - Ear-hanging type sound production device - Google Patents

Abstract

The utility model relates to an ear-hung sound producing device, which comprises a first sound producing body, a second sound producing body and a first connecting piece, wherein the first sound producing body is used for converting an audio frequency electric signal into a mechanical oscillation signal and forming sound waves; the second sounding body is connected with the first sounding body and used for receiving the mechanical oscillation signal transmitted by the first sounding body and forming sound waves; the first connecting piece is hung on the auricle, one end of the first connecting piece is connected with the first sounding body, the other end of the first connecting piece is connected with the second sounding body, and the first connecting piece is used for connecting the first sounding body and the second sounding body so as to realize the transmission of mechanical oscillation signals. The utility model provides a first sound production body turns into the audio signal of telecommunication mechanical oscillation signal and forms the sound wave, to auricle transmission sound, further produces the sound wave through the second sound production body simultaneously, and two sets of sound sources act on the auricle simultaneously and can strengthen the sound conduction effect, reduce the sound leakage, effectively improve tone quality.

Description

Ear-hanging type sound production device

Technical Field

The utility model belongs to the technical field of bone conduction transaudient, especially, relate to an ear-hung sound generating mechanism.

Background

The human body collects sound waves from the periphery of the human ear and the surrounding environment through the connective tissue of the outer ear and the external auditory canal. The sound wave can be conducted through air or contacted with the periphery of the human ear to be coupled into the external auditory canal, directly stimulates the ossicles through the skull, the jawbone and the bone labyrinth or collects and amplifies the sound wave signal by the tympanic membrane and transmits the signal to the ossicles, and then reaches the inner ear, and transmits the sound wave through the lymph fluid transmission of the inner ear, the screw organ, the auditory nerve and the auditory center. The external auditory canal is fully opened in the process that the human ear obtains the sense of hearing under the natural condition, the traditional in-ear type, semi-in-ear type, earplug type, ear-hanging type and head-wearing type earphones use the vibrating diaphragm and the accessory mechanism thereof as main sound production devices, and the air oscillation formed by the vibrating diaphragm needs a closed air cavity body close to the periphery of the human ear to transmit sound waves and to swell the tympanic membrane, so that the external auditory canal is covered or blocked at different degrees, thereby generating the uncomfortable feeling of long-term wearing, and isolating the sense of hearing of the human ear to the surrounding environment. The existing bone conduction earphone has the defects of serious sound leakage, unsuitability for long-time wearing and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ear-hanging sound generating mechanism for solve among the prior art that the sound leakage is serious and wear inconvenient technical problem.

The utility model provides an ear-hanging sound generating mechanism, include:

a first sound emitter for converting an audio electrical signal into a mechanical oscillation signal and forming a sound wave;

the second sounding body is connected with the first sounding body and used for receiving the mechanical oscillation signal transmitted by the first sounding body and forming sound waves;

the first connecting piece is used for connecting the first sound generating body and the second sound generating body so as to realize the transmission of mechanical oscillation signals.

Preferably, the ear-hook sound generating device further comprises a second connecting piece, one end of the second connecting piece is connected with the first sound generating body, the other end of the second connecting piece is connected with the second sound generating body, and the second sound generating body is also used for transmitting the mechanical oscillation signal generated by the first sound generating body.

Preferably, first connecting piece hangs in auricle upper edge, the second connecting piece with auricle lower edge contacts, first connecting piece, first sound production body, second connecting piece and second sound production body meet in proper order end to end and form the closed ring body that encloses in the auricle periphery in order.

Preferably, the first sound generating body is located in front of the auricle, and the first sound generating body extends to contact the tragus, the wall of the external auditory canal or cover the external auditory meatus, and the second sound generating body is located behind the auricle.

Preferably, the first sound generating body is located behind the auricle, the second sound generating body is located in front of the auricle, and the second sound generating body extends to contact the tragus, the wall of the external auditory canal or cover the external auditory meatus.

Preferably, the first connecting piece and the second connecting piece are flexible plastic connecting pieces.

Preferably, the first sound emitter includes:

the electroacoustic transducer is piezoelectric ceramic containing electrodes and is used for converting an audio electrical signal into a mechanical oscillation signal and producing sound;

the input end of the audio electric signal input piece inputs an audio electric signal, and the output end of the audio electric signal input piece is electrically connected with the electroacoustic transducer and used for accessing the audio electric signal;

the electroacoustic transducer and the audio electrical signal input part are contained in the first shell, and the first shell is attached to the auricle.

Preferably, the second sounding body includes:

the inner core receives a mechanical oscillation signal sent by the electroacoustic transducer and transmits sound;

and the second shell is a flexible shell, wraps the outer surface of the inner core and is attached to the auricle.

From the foregoing the embodiment of the utility model provides a, the utility model provides a first sound production body turns into the audio frequency signal of telecommunication mechanical oscillation signal and forms the sound wave, to auricle transmission sound, and during first sound production body transmitted the second sound production body with mechanical oscillation signal simultaneously, further produced the sound wave through the second sound production body, two sets of sound sources acted on the auricle simultaneously and can strengthen the sound conduction effect, have solved the sound leakage of current bone conduction earphone and have worn uncomfortable problem, effectively improve tone quality. First connecting piece has realized the fixed of first sound production body and second sound production body through hanging in the auricle, compares in the circumstances that traditional earphone blocks outer duct and is not suitable for long-term wearing, and this scheme fixed mode is comfortable, more is suitable for wearing for a long time.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of the wearing effect of the ear-hung sound generating device of the present invention;

fig. 2 is a schematic structural view illustrating the ear-hung sound generating device of the first embodiment of the present invention fixed to an auricle model;

fig. 3 is a schematic structural view of an ear-hung sound generating device according to a first embodiment of the present invention;

fig. 4 is an exploded view of the ear-hung sound generating device according to the first embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of the layout structure of the connection member according to the first embodiment of the present invention;

fig. 6 is a schematic structural view illustrating an ear-hung sound generating device of a second embodiment of the present invention being fixed to an auricle model;

fig. 7 is a schematic structural view of an ear-hung sound generating device according to a second embodiment of the present invention;

fig. 8 is an exploded view of an ear-hung sound generating device according to a second embodiment of the present invention.

Description of the main elements:

1. a first sound emitter; 2A, a second sounding body; 3. a first connecting member; 4. a second connecting member; 11. an electroacoustic transducer; 12. an audio electrical signal input; 13. a first housing; 21A, a first inner core; 22A, a second inner core; 23A, a second housing; 31. a rigid wire; 32. a flexible covering sleeve; 2B, a second sounding body; 21B, a first inner core; 22B, a second inner core; 23B, a second housing; 231B, a first contact portion; 232B, a second contact part; 233B, and a third contact portion.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

First embodiment

Referring to fig. 1-4, the present invention discloses an ear-hung sound generating device, which comprises:

the first sounding body 1 is used for converting an audio electrical signal into a mechanical oscillation signal and forming a sound wave;

specifically, the first sounding body 1 includes an electroacoustic transducer 11, an audio electric signal input 12, and a first housing 13. The electroacoustic transducer 11 is a piezoelectric ceramic containing electrodes and is used for converting an audio electrical signal into a mechanical oscillation signal and generating sound; the electroacoustic transducer 11 in this embodiment is a strip-shaped thin type electroceramic with electrodes, and the shape of the electroceramic can be changed according to the requirement.

The input end of the audio electric signal input part 12 inputs audio electric signals, and the output end of the audio electric signal input part 12 is electrically connected with the electroacoustic transducer 11 and used for accessing the audio electric signals;

the audio electrical signal input 12 includes the following three forms:

1) the audio electric signal input part 12 is a wire connected with a sound source to transmit audio electric signals, and the ear-hanging type sound production device formed by the scheme is suitable for wired earphones;

2) the audio electric signal input part 12 is a Bluetooth transmission module for transmitting audio electric signals, and the ear-hanging type sound production device formed by the scheme is suitable for a wireless earphone;

3) the audio signal input unit 12 is a small enough sound source module, which independently generates an audio signal and generates sound.

The first shell 13 is a soft shell, the electroacoustic transducer 11 and the audio electrical signal input element 12 are accommodated in the first shell 13, and the first shell 13 is attached to the auricle.

The second sounding body 2A is connected with the first sounding body 1 and used for receiving the mechanical oscillation signal transmitted by the first sounding body 1 and forming sound waves;

specifically, the second sounding body 2A includes an inner core and a second outer shell 23A, the inner core receives the mechanical oscillation signal emitted by the electroacoustic transducer 11 and transmits sound; the second shell 23A is a flexible shell, and covers the outer surface of the inner core and is attached to the auricle.

The material of the second sounding body, the connection mode of the second sounding body and the first connecting piece and the second connecting piece, and the overall peripheral size and the structure of the second sounding body formed by the material all influence the hearing of human ears, and are specifically embodied as the difference of volume and the difference of frequency response.

The inner core is a spherical oscillating body formed by integrally molding a single or composite material, the spherical oscillating body can realize a better transfer process after receiving a mechanical oscillation signal, and the inner core is made of a rigid material, so that the sound leakage of the mechanical oscillation signal is reduced. The second shell 23A is a soft shell, and covers the inner core to protect the inner core and make the inner core more comfortable when attached to the auricle. The inner core can be directly by the afterbody realization function of first connecting piece 3 and second connecting piece 4, and its shape can set up according to the globular oscillating body in the manufacturing process, also can directly extend according to the structure of first connecting piece 3 and second connecting piece 4, need not to add new inner core structure in second shell 23A, has reduced the consumptive material practicality, has improved production efficiency.

First connecting piece 3, first connecting piece 3 hangs in the auricle, and the one end of first connecting piece 3 links to each other with first sound production body 1, and the other end of first connecting piece 3 links to each other with second sound production body 2A, and first connecting piece 3 is used for connecting first sound production body 1 and second sound production body 2A in order to realize mechanical oscillation signal's transmission.

First connecting piece 3 mainly plays fixed first sound production body 1 and second sound production body 2A's effect, and first connecting piece 3 hangs in auricle upper edge, and first sound production body 1 and second sound production body 2A are respectively in hanging behind the ear and before the ear, just so can reach first sound production body 1 and second sound production body 2A's preliminary fixed.

Compared with the prior art, the utility model provides a first sound production body 1 turns into mechanical oscillation signal and forms the sound wave with audio signal, to auricle transmission sound, and in first sound production body 1 transmitted mechanical oscillation signal to second sound production body 2A simultaneously, further produced the sound wave through second sound production body 2A, two sets of sound sources acted on the auricle simultaneously and can strengthen the sound conduction effect, reduce the sound leakage, effectively improve tone quality. First connecting piece 3 has realized first sound production body 1 and second sound production body 2A's fixed through hanging in the auricle, and fixed mode is comfortable, is suitable for to wear for a long time.

Referring to fig. 5, the ear-hung sound generating device further includes a second connecting member 4, one end of the second connecting member 4 is connected to the first sound generating body 1, and the other end of the second connecting member 4 is connected to the second sound generating body 2A, and is also used for transmitting the mechanical oscillation signal generated by the first sound generating body 1 to the second sound generating body 2A.

Specifically, the first connecting piece 3 and the second connecting piece 4 both comprise a rigid wire 31 and a flexible coating sleeve 32, one end of the rigid wire 31 is in contact with the electric ceramic, and the other end of the rigid wire 31 is in contact with the inner core, so that mechanical oscillation signals can be better transmitted, the sound conduction effect is enhanced, and the sound leakage and the oscillation loss are reduced; meanwhile, the rigid wire 31 can be deformed as required according to the shape of the auricle, so as to achieve a better fixing effect. The flexible covering 32 avoids skin damage and allows for a more comfortable wearing experience. The first housing 13, the second housing 23, and the flexible cover 32 may be integrally injection molded covers.

In this embodiment, the first connecting member 3 is hung on the upper edge of the auricle, the second connecting member 4 is contacted with the lower edge of the auricle, and the first connecting member 3, the first sounding body 1, the second connecting member 4 and the second sounding body 2A are sequentially connected end to form a closed loop around the periphery of the auricle, so that the first sounding body 1 and the second sounding body 2A are hung and stably fixed by the closed loop, and are respectively in close contact with the corresponding external ear part. Because the ears are not on the same plane and are stressed in different directions, the connecting link itself must have plasticity if only hung on the connecting link. Basically, the sound is not clear to hear, so the first sound generating body 1 and the second sound generating body 2A should be in close contact with the external ear part to achieve the solid bone conduction sound transmission effect.

Specifically, first connecting piece 3 and second connecting piece 4 mutually support, connect first sound production body 1 and second sound production body 2A and form closed ring body, and closed ring body can hang in the auricle periphery. The first sounding body 1 and the second sounding body 2A can stably transmit sound without any other auxiliary structure.

In one embodiment of the solution, the first sound generating body 1 is located in front of the auricle and the second sound generating body 2A is located behind the auricle. First sound generating body 1 is close external auditory canal or contact tragus, then first sound generating body 1 plays primary role, and second sound generating body 2A plays secondary role, and what first connector and second connector played more is the fixed action, and mechanical oscillation signal's transmission effect is less partially. Because the first sounding body 1 is a source sounding part, when the first sounding body is positioned in front of the ear, bone conduction and sound conduction of the external auditory canal are simultaneously carried out, so that higher output volume can be obtained, and the configured sound quality is better.

In another embodiment of the present solution, the first sound generating body 1 is located behind the auricle and the second sound generating body 2A is located in front of the auricle. At this time, the second sounding body 2A includes a first core 21A and a second core 22A, the first core 21A is connected to the rigid wire 31 of the first link 3, and the second core 22A is connected to the rigid wire 31 of the second link 4. The shape of the second outer shell 23A covering the first inner core 21A and the second inner core 22A may be modified according to various needs.

The degree of the second sounding body 2A covering the external auditory canal, the size of the air cavity formed by the auricle and the shape and appearance of the second shell 23A are changed, which significantly affects the overall volume output and sound quality. The second sound generating body 2A forms a pre-auricular component, the first sound generating body 1 forms a post-auricular component behind the back of the ear, and double sounds act simultaneously to form a complete auditory sensation.

Second embodiment

Referring to fig. 6-8, in the second embodiment of the present invention, the second sounding body 2B includes a second outer shell 23B, a first inner core 21A and a second inner core 22A, the second outer shell 23B includes a first contact portion 231B abutting against the first connecting member 3, a second contact portion 232B abutting against the second connecting member 4 and a third contact portion 233B contacting with the external auditory canal of the auricle, the first contact portion 231B, the second contact portion 232B and the third contact portion 233B are integrally formed, the first contact portion 231B and the second contact portion 232B mainly transmit the sound of the first inner core 21B and the sound of the second inner core 22B to the eardrum through bone conduction, and the third contact portion 233B mainly shields the external auditory canal to reduce the influence of noise in the external environment, so as to achieve better listening feeling effect.

The sound insulating ability of second sound production body 2B's material promotes, its shielding degree increase to the external auditory canal, will improve the discernment power that the human ear obtained the audio signal who comes from sound generating mechanism, the flexible material of the sound wave is easily propagated to the optional usefulness of second sound production body 2B, and through to the whole size of second sound production body 2B, its internal connection spare arranges the frequency spectrum that changes the sound wave signal of whole second sound production body 2B to the output of human ear and is balanced, influence the sense of hearing that the human ear obtained from whole sound generating mechanism from this.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

Above is the description to the technical scheme that the utility model provides, to technical personnel in the field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and range of application, to sum up, this description content should not be understood as the restriction of the utility model.

Claims (8)

1. An ear-hung sound generating device, comprising:

a first sound emitter for converting an audio electrical signal into a mechanical oscillation signal and forming a sound wave;

the second sounding body is connected with the first sounding body and used for receiving the mechanical oscillation signal transmitted by the first sounding body and forming sound waves;

the first connecting piece is used for connecting the first sound generating body and the second sound generating body so as to realize the transmission of mechanical oscillation signals.

2. The ear-hung sound generating device as claimed in claim 1, further comprising a second connecting member, wherein one end of the second connecting member is connected to the first sound generating body, and the other end of the second connecting member is connected to the second sound generating body and is also used for transmitting the mechanical oscillation signal generated by the first sound generating body to the second sound generating body.

3. The ear-hung sound generating device as claimed in claim 2, wherein the first connecting member is suspended from the upper edge of the auricle, the second connecting member is in contact with the lower edge of the auricle, and the first connecting member, the first sound generating body, the second connecting member and the second sound generating body are sequentially connected end to form a closed ring body surrounding the periphery of the auricle.

4. The supra-aural sound generation device according to claim 2, wherein the first sound generation body is located in front of the auricle, and the first sound generation body extends to contact the tragus, the wall of the external auditory canal or cover the external auditory meatus, and the second sound generation body is located behind the auricle.

5. The supra-aural sound generation device according to claim 2, wherein the first sound generation body is located behind the auricle, the second sound generation body is located in front of the auricle, and the second sound generation body extends to contact the tragus, the wall of the external auditory canal or cover the external auditory meatus.

6. An ear-hung sound emitting device according to claim 2, wherein the first and second connecting members are both flexible and moldable connecting members.

7. The ear-hung sound generating device as recited in claim 1, wherein the first sound generator comprises:

the electroacoustic transducer is piezoelectric ceramic containing electrodes and is used for converting an audio electrical signal into a mechanical oscillation signal and producing sound;

the input end of the audio electric signal input piece inputs an audio electric signal, and the output end of the audio electric signal input piece is electrically connected with the electroacoustic transducer and used for accessing the audio electric signal;

the electroacoustic transducer and the audio electrical signal input part are contained in the first shell, and the first shell is attached to the auricle.

8. The ear-hung sound generating device as claimed in claim 7, wherein the second sound generating body comprises:

the inner core receives a mechanical oscillation signal sent by the electroacoustic transducer and transmits sound;

and the second shell is a flexible shell, wraps the outer surface of the inner core and is attached to the auricle.

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