CN216930287U - Bone conduction earphone - Google Patents

Abstract

The utility model discloses a bone conduction earphone, which belongs to the technical field of earphones and comprises an earphone shell, an ear hook, a bone conduction sound production unit and an air conduction sound production unit, wherein the ear hook is connected to one end of the earphone shell, the bone conduction sound production unit and the air conduction sound production unit are respectively installed in the earphone shell, the air conduction sound production unit is located between the bone conduction sound production unit and the connection position of the earphone shell and the ear hook, and a sound outlet hole is formed in the position of the earphone shell, which is over against the air conduction sound production unit. The bone conduction earphone provided by the utility model has the advantages that the low-frequency texture and the low-frequency volume sense are greatly improved, and the sound effect is better.

Description

Bone conduction earphone

Technical Field

The utility model relates to the technical field of earphones, in particular to a bone conduction earphone.

Background

Bone conduction earphones transmit sound waves through the skull of the user, the bony labyrinth, the lymphatic fluid transmission of the inner ear, the spiral organ, the auditory nerve, the auditory center, i.e., sound is transmitted directly through the bone to the auditory nerve in a vibratory manner. Therefore, the bone conduction earphone can be used for liberating the ears without damaging eardrums, so that the bone conduction earphone has a wide development prospect.

In the prior art, when designing a bone conduction earphone, a single bone conduction speaker is usually adopted to realize sound transmission. However, the current bone conduction earphone has the problems of serious sound leakage, incomplete frequency range and the like, and especially has defects in the texture and the sense of volume of low frequency, and the sound effect needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bone conduction earphone which has great improvement on the aspects of low-frequency texture and measurement and has a good sound effect.

As the conception, the technical scheme adopted by the utility model is as follows:

the utility model provides a bone conduction earphone, includes earphone shell, ear-hang, bone conduction sound production unit, air conduction sound production unit, the ear-hang connect in the one end of earphone shell, bone conduction sound production unit with air conduction sound production unit install respectively in the earphone shell, just air conduction sound production unit is located bone conduction sound production unit reaches the earphone shell with between the hookup location of ear-hang, the earphone shell is just right air conduction sound production unit's position is equipped with out the sound hole.

Optionally, be equipped with first mounting groove and second mounting groove in the earphone shell, bone conduction sound generating unit install in first mounting groove, air conduction sound generating unit install in the second mounting groove.

Optionally, the earphone shell further comprises a bone conduction vibrator, the earphone shell is provided with a mounting hole, and the bone conduction vibrator is mounted on the mounting hole and abuts against the bone conduction sounding unit.

Optionally, the outer surface of the earphone shell is further provided with a groove, the bone conduction vibrator is provided with a bump, and the bump is in interference fit with the groove.

Optionally, the earphone shell includes the main shell portion and for the bellied bellying of main shell portion, the mounting hole is seted up in on the bellying, bone conduction sound production unit set firmly in the bellying, air conduction sound production unit set firmly in the main shell portion, the ear-hang connect in the one end of main shell portion.

Optionally, the shell portion is the arc, the protruding portion is located on the inside surface of shell portion, the ear-hang includes flexion and circular arc portion, the one end of flexion connect in shell portion, the other end orientation of flexion the flexion of bellying, the circular arc portion dorsad shell portion crooked and connect in the other end of flexion, just the middle part of circular arc portion with the bone conduction oscillator is in the thickness direction of bone conduction oscillator sets up relatively.

Optionally, the bone conduction vibrator includes a vibrator main body in a cover shape and a contact body fixedly arranged on one side of the vibrator main body, the vibrator main body is arranged in the mounting hole, and the contact body is in a cylindrical structure and abuts against the bone conduction sounding unit.

Optionally, still include control module and frequency division circuit, frequency division circuit's input electric connection in control module, frequency division circuit's output with bone conduction sound production unit reaches air conduction sound production unit electric connection respectively, frequency division circuit will well high frequency signal transmission arrive bone conduction sound production unit, with low frequency signal transmission arrive air conduction sound production unit.

Optionally, the air conduction sound generating unit is provided with a plurality of air conduction sound generating units, and the plurality of air conduction sound generating units are arranged along the circumference of the bone conduction sound generating unit in the circumferential direction.

Optionally, the air conduction sound emitting unit is a moving coil speaker, a piezoelectric speaker or a moving iron speaker.

The utility model has at least the following beneficial effects:

the bone conduction earphone is provided with the bone conduction sounding unit and the air conduction sounding unit simultaneously, so that the bone conduction sounding unit transmits a vibration signal to an auditory nerve through bones, the air conduction sounding unit transmits sound to ears of a person through air, the air conduction sounding unit is used for bass compensation of the bone conduction sounding unit, the bone conduction earphone is greatly improved in low-frequency texture and sense of quality, and the bone conduction sounding unit and the air conduction sounding unit are matched with each other, so that the bone conduction earphone has a good sound effect, and the tone quality experience of the bone conduction earphone is improved.

Drawings

Fig. 1 is a schematic structural diagram of a bone conduction headset according to an embodiment of the present invention;

fig. 2 is an exploded view of a bone conduction headset according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a bone conduction headset according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an earphone shell according to an embodiment of the present invention;

fig. 5 is an assembly diagram of an earphone shell, a bone conduction sound generating unit, and an air conduction sound generating unit according to an embodiment of the present invention;

fig. 6 is an exploded schematic view of a bone conduction earphone according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a bone conduction transducer according to an embodiment of the present invention.

In the figure:

1. an earphone shell; 11. a sound outlet hole; 12. a first mounting groove; 13. a second mounting groove; 14. mounting holes; 15. a trench; 16. a main housing portion; 161. an upper shell; 162. a lower case; 17. a boss portion; 2. ear hanging; 21. a bending section; 22. a circular arc portion; 3. a bone conduction sound emitting unit; 4. an air conduction sound generating unit; 5. a bone conduction vibrator; 51. a bump; 52. a vibrator main body; 53. a contact body; 54. and a support body.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used based on the orientations or positional relationships shown in the drawings for convenience of description and simplicity of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides a bone conduction headset, which has great improvement in the aspects of low-frequency texture and volume and has a good sound effect.

As shown in fig. 1 and 2, the bone conduction earphone includes an earphone housing 1, an ear hook 2, a bone conduction sound generating unit 3, and an air conduction sound generating unit 4.

The earphone shell 1 has a cavity, and the ear hook 2 is connected to one end of the earphone shell 1 and used for being hung on the ear of a user. In some embodiments, the ear-hook 2 is detachably connected to the earphone housing 1, so that the proper ear-hook 2 can be replaced according to the user's needs.

Bone conduction sound generating unit 3 and air conduction sound generating unit 4 are fixed mounting in the cavity of earphone shell 1 respectively, and bone conduction sound generating unit 3 is used for carrying out bone conduction to sound, and air conduction sound generating unit 4 is used for carrying out air conduction to sound. And, the mounted position of air conduction sound generating unit 4 on earphone shell 1 is located between the mounted position of bone conduction sound generating unit 3 on earphone shell 1 and the hookup location of earphone shell 1 and ear-hang 2, that is, air conduction sound generating unit 4 is located between the connected position of bone conduction sound generating unit 3 and earphone shell 1 and ear-hang 2 for extra space need not be add in the setting of air conduction sound generating unit 4, the volume and the appearance of earphone shell 1 can not receive too big influence, do benefit to bone conduction earphone's miniaturization. As shown in fig. 1, the earphone housing 1 is provided with a sound outlet hole 11 at a position facing the air conduction sound generating unit 4, so that the sound generated by the air conduction sound generating unit 4 can pass through the sound outlet hole 11 to the ear of the user. In some embodiments, the air conduction sound emitting unit 4 is disposed adjacent to the bone conduction sound emitting unit 3.

The osteoacusis earphone that this embodiment provided, be provided with osteoacusis sound producing unit 3 and air conduction sound producing unit 4 simultaneously, make osteoacusis sound producing unit 3 pass through skeleton transmission vibration signal and listen nerve, air conduction sound producing unit 4 passes through air transmission sound to people's ear, high-frequency signal in the osteoacusis sound producing unit 3 receipt, air conduction sound producing unit 4 receives low frequency signal, air conduction sound producing unit 4 is as osteoacusis sound producing unit 3's bass compensation, make osteoacusis earphone have great promotion in the aspect of the feel and the sense of measurement of low frequency, osteoacusis sound producing unit 3 and air conduction sound producing unit 4 mutually support, make osteoacusis earphone have better sound effect, the tone quality that has promoted osteoacusis earphone is experienced.

Optionally, as shown in fig. 4, a first mounting groove 12 and a second mounting groove 13 are formed in the earphone housing 1, the bone conduction sound generating unit 3 is fixedly mounted in the first mounting groove 12, in some embodiments, the bone conduction sound generating unit 3 may be adhered or clamped in the first mounting groove 12, for example, a part of the bone conduction sound generating unit 3 is mounted in the first mounting groove 12. The air conduction sound generating unit 4 is fixedly mounted in the second mounting groove 13, and in some embodiments, the air conduction sound generating unit 4 may be adhered or snapped in the first mounting groove 12, such as a portion of the air conduction sound generating unit 4 being mounted in the second mounting groove 13. Still further, first mounting groove 12 and second mounting groove 13 all can be the ladder groove to improve the effect of fixed bone conduction sound generating unit 3 and air conduction sound generating unit 4.

Optionally, the bone conduction earphone further comprises a bone conduction vibrator 5, the earphone shell 1 is provided with a mounting hole 14, and the bone conduction vibrator 5 is mounted on the mounting hole 14 and abuts against the bone conduction sound generating unit 3, so that the bone conduction sound generating unit 3 can transmit sound waves to the skull bone and other parts of the user through the bone conduction vibrator 5. In some embodiments, the bone conduction vibrator 5 is made of a silica gel material, so as to better transmit sound waves and prevent injury to a user.

In this embodiment, the bone conduction vibrator 5 may be adhered or clamped to the earphone shell 1, which is not limited in this embodiment. In some embodiments, referring to fig. 6 and 7, the outer surface of the earphone housing 1 is further provided with a groove 15, and in some embodiments, the groove 15 is disposed around the mounting hole 14. The surface of the bone conduction vibrator 5 facing the earphone shell 1 is provided with a bump 51, and the bump 51 is interference-fitted in the groove 15 to realize the connection of the bone conduction vibrator 5 and the earphone shell 1. Alternatively, the cross-sectional shape of the bump 51 may be rectangular, trapezoidal, triangular, etc., which is not limited in this embodiment. As shown in fig. 7, the bump 51 has a ring shape and is disposed at the edge of the bone conduction transducer 5.

Further, with continued reference to fig. 7, the bone conduction vibrator 5 includes a vibrator body 52 in a cover shape and a contact 53 fixedly disposed on one side of the vibrator body 52, specifically, the contact 53 is disposed at the center of one side of the vibrator body 52. The vibrator main body 52 is installed in the installation hole 14, and the bump 51 is arranged on the vibrator main body 52; the contact 53 abuts against the bone conduction sound emitting unit 3 for transmitting sound waves. In some embodiments, the contact 53 has a cylindrical structure, and the cylindrical contact 53 can have a larger contact area with the bone conduction sound generating unit 3, so as to improve the reliability of transmitting sound waves. In other embodiments, the contact 53 is a hollow structure, and a cross-shaped supporting body 54 is further disposed in the contact 53, the supporting body 54 is also used to abut against the bone conduction sound emission unit 3 to assist the contact 53 to transmit sound waves, and the supporting body 54 is disposed to increase a contact area between the bone conduction vibrator 5 and the bone conduction sound emission unit 3.

With continued reference to fig. 6, the earphone shell 1 includes a main shell portion 16 and a protrusion portion 17 protruding from the main shell portion 16. Wherein, mounting hole 14 is seted up on bellying 17 to in bone conduction oscillator 5 and user's contact, bone conduction sound generating unit 3 sets firmly in bellying 17, and air conduction sound generating unit 4 sets firmly in main shell portion 16, specifically, air conduction sound generating unit 4 sets firmly in the position that main shell portion 16 is close to bellying 17, makes bone conduction sound generating unit 3 and air conduction sound generating unit 4 can be closer, and ear-hang 2 is connected in the one end of main shell portion 16.

Further, the main housing portion 16 is arc-shaped, that is, the main housing portion 16 is crescent-shaped, as shown in fig. 6, the protrusion 17 is located on the inner side surface of the main housing portion 16, the inner side surface of the main housing portion 16 is the inner side of the bending direction of the main housing portion 16, in fig. 6, the main housing portion 16 is bent upward, and the protrusion 17 is located on the upper side of the main housing portion 16, as shown in fig. 1, this arrangement can facilitate the bone conduction vibrator 5 to better contact with the user, and improve the comfort of wearing the bone conduction ear. In some embodiments, the main housing part 16 includes an upper housing 161 and a lower housing 162, the boss 17 is provided on the upper housing 161, the sound emitting hole 11 is provided on the upper housing 161, and the bone conduction sound emitting unit 3 and the air conduction sound emitting unit 4 are fixedly mounted on the upper housing 161, respectively. The bone conduction earphone has electronic components such as a battery, a circuit board, and a charging interface fixedly mounted on the lower case 162.

Referring also to fig. 6, the ear hook 2 includes a bent portion 21 and a circular arc portion 22, the bent portion 21 is in an inverted U shape, one end of the bent portion 21 is connected to the main shell portion 16, the other end of the bent portion 21 is bent toward the protruding portion 17 and is located above the protruding portion 17, and the bent portion 21 is used for being hung on the ear of the user. The arc portion 22 is bent back to the main housing portion 16, in fig. 6, the arc portion 22 is bent upward, the arc portion 22 is connected to the other end of the bent portion 21, the middle portion of the arc portion 22 and the bone conduction vibrator 5 are arranged opposite to each other in the thickness direction of the bone conduction vibrator 5, so that the arc portion 22 and the bone conduction vibrator 5 can be mutually matched and clamped on the ear or other portions of the user, and the bone conduction earphone can be fixed on the ear or other portions of the user.

In this embodiment, in order to enable the bone conduction sound generating unit 3 and the air conduction sound generating unit 4 to work in cooperation with each other, the bone conduction headset further includes a control module and a frequency dividing circuit. The input end of the frequency dividing circuit is electrically connected to the control module, so that the frequency dividing circuit can be controlled by the control module. The output of frequency division circuit and bone conduction sound generating unit 3 and air conduction sound generating unit 4 are electric connection respectively, and frequency division circuit is with well high-frequency signal transmission to bone conduction sound generating unit 3, with low frequency signal transmission to air conduction sound generating unit 4 to the realization is to bone conduction sound generating unit 3 and the frequency division of air conduction sound generating unit 4, can start air conduction sound generating unit 4 when needs, in order to send the sound by bone conduction sound generating unit 3 and air conduction sound generating unit 4 jointly.

In this embodiment, air conduction sound generating unit 4 is equipped with one or more, and when air conduction sound generating unit 4 was equipped with a plurality ofly, a plurality of air conduction sound generating unit 4 were the circumferencial direction and were arranged around bone conduction sound generating unit 3 to, go out sound hole 11 and also correspond and be equipped with a plurality ofly, every air conduction sound generating unit 4 corresponds a sound hole 11, in order to improve the sound transmission effect.

Optionally, the air conduction sound generating unit 4 in this embodiment is a moving coil speaker, a piezoelectric speaker, a moving iron speaker, or other structures capable of passing through air, and this embodiment is not limited thereto. The bone conduction sound generating unit 3 is a bone conduction speaker.

The bone conduction earphone provided by the embodiment is additionally provided with the air conduction sound generating unit 4 near the bone conduction sound generating unit 3, and the frequency dividing circuit is used for connecting the two loudspeakers respectively to form a double-vibration system, so that the sound field radiation effect is improved, the frequency response is improved, particularly the low-frequency response is insufficient, and the tone quality performance of the bone conduction earphone is better.

The foregoing embodiments are merely illustrative of the principles and features of this invention, and the utility model is not limited to the embodiments described above, but rather, is susceptible to various changes and modifications without departing from the spirit and scope of the utility model, as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a bone conduction earphone, its characterized in that, includes earphone shell (1), ear-hang (2), bone conduction sound producing unit (3), air conduction sound producing unit (4), ear-hang (2) connect in the one end of earphone shell (1), bone conduction sound producing unit (3) with air conduction sound producing unit (4) install respectively in earphone shell (1), just air conduction sound producing unit (4) are located bone conduction sound producing unit (3) reach earphone shell (1) with between the hookup location of ear-hang (2), earphone shell (1) is just right the position of air conduction sound producing unit (4) is equipped with out sound hole (11).

2. The bone conduction headset according to claim 1, wherein a first mounting groove (12) and a second mounting groove (13) are provided in the headset housing (1), the bone conduction sound generating unit (3) is mounted in the first mounting groove (12), and the air conduction sound generating unit (4) is mounted in the second mounting groove (13).

3. The bone conduction earphone according to claim 1, further comprising a bone conduction vibrator (5), wherein the earphone shell (1) is provided with a mounting hole (14), and the bone conduction vibrator (5) is mounted on the mounting hole (14) and abuts against the bone conduction sounding unit (3).

4. The bone conduction headset according to claim 3, wherein the outer surface of the headset housing (1) is further provided with a groove (15), the bone conduction vibrator (5) is provided with a bump (51), and the bump (51) is interference-fitted in the groove (15).

5. The bone conduction headset according to claim 3, wherein the headset housing (1) includes a main housing portion (16) and a protruding portion (17) protruding relative to the main housing portion (16), the mounting hole (14) is opened on the protruding portion (17), the bone conduction sounding unit (3) is fixedly disposed on the protruding portion (17), the air conduction sounding unit (4) is fixedly disposed on the main housing portion (16), and the ear hook (2) is connected to one end of the main housing portion (16).

6. The bone conduction earphone according to claim 5, wherein the main shell portion (16) is arc-shaped, the convex portion (17) is located on an inner side surface of the main shell portion (16), the ear hook (2) comprises a bending portion (21) and an arc portion (22), one end of the bending portion (21) is connected to the main shell portion (16), the other end of the bending portion (21) is bent toward the convex portion (17), the arc portion (22) is bent away from the main shell portion (16) and connected to the other end of the bending portion (21), and a middle portion of the arc portion (22) and the bone conduction vibrator (5) are oppositely arranged in a thickness direction of the bone conduction vibrator (5).

7. The bone conduction earphone according to claim 3, wherein the bone conduction vibrator (5) comprises a cover-shaped vibrator body (52) and a contact body (53) fixedly arranged on one side of the vibrator body (52), the vibrator body (52) is arranged in the mounting hole (14), and the contact body (53) is in a cylindrical structure and abuts against the bone conduction sound production unit (3).

8. The bone conduction headset according to any one of claims 1-5, further comprising a control module and a frequency dividing circuit, wherein an input terminal of the frequency dividing circuit is electrically connected to the control module, an output terminal of the frequency dividing circuit is electrically connected to the bone conduction sound generating unit (3) and the air conduction sound generating unit (4), respectively, and the frequency dividing circuit transmits a medium-high frequency signal to the bone conduction sound generating unit (3) and transmits a low frequency signal to the air conduction sound generating unit (4).

9. Bone conduction headset according to any of claims 1-5, characterized in that the air conduction sound-generating unit (4) is provided in plurality, and the plurality of air conduction sound-generating units (4) are arranged circumferentially around the bone conduction sound-generating unit (3).

10. Bone conduction headset according to any of claims 1-5, characterized in that the air conducting sound unit (4) is a moving coil loudspeaker, a piezoelectric loudspeaker or a moving iron loudspeaker.

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