CN219046532U

CN219046532U - Bone conduction microphone

Info

Publication number: CN219046532U
Application number: CN202222027839.7U
Authority: CN
Inventors: 符文剑
Original assignee: Zhongshan Articom Electronic Technology Co ltd
Current assignee: Zhongshan Articom Electronic Technology Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-05-19
Anticipated expiration: 2032-08-02

Abstract

The utility model relates to the technical field of audio equipment and discloses a bone conduction microphone, which comprises a headset cover, a headset cavity front cover and a headset horn unit, wherein the headset cover and the headset horn unit are respectively positioned at two sides of the headset cavity front cover, one side of the headset cavity front cover, which is close to a headset sleeve, is provided with the bone conduction microphone body unit, the outer side of the bone conduction microphone body unit is provided with a microphone front sleeve, one side wall of the headset cavity front cover, which is close to the headset sleeve, is provided with a fixed shell, the headset cavity front cover is connected with the bone conduction microphone body unit through the fixed shell, and the bone conduction microphone body unit is detachably clamped in the fixed shell.

Description

Bone conduction microphone

Technical Field

The utility model relates to the technical field of audio equipment, in particular to a bone conduction microphone.

Background

At present, the large earphone in the market, namely the earmuff type earphone, is required to transmit the microphone and isolate the noise slightly, and is generally provided with a microphone rod which is also called a microphone transmitting rod, and a moving-coil microphone or an electret microphone is arranged in a shell of a front cover of the microphone rod.

The bone conduction microphone comprises a shell, a circuit board, an MEMS chip, an ASIC chip, a vibrating structure and a mass block, wherein the circuit board is connected with the shell cover to form an accommodating space, the MEMS chip and the ASIC chip are accommodated in the accommodating space, the vibrating structure is arranged on the circuit board and comprises a substrate with a hollowed-out part, a vibrating diaphragm and a mass block, the vibrating diaphragm is fixed on one side of the substrate, far away from the circuit board, the mass block is fixed on the vibrating diaphragm, and the substrate, the vibrating diaphragm and the circuit board are connected with each other to form a cavity for accommodating the MEMS chip and the ASIC chip. The utility model can reduce the size of the bone conduction microphone and enhance the electromagnetic interference resistance.

The microphone rod is used for transmitting, so that two defects generally exist, and firstly, when the ambient noise is higher than 120dB, the noise and the voice are difficult to separate; secondly, the miaow pole is put and is used in front of the mouth, and in some high motion occasions, there is the potential safety hazard, such as occasion such as flight, fire control, individual soldier, most likely collision mouth, in order to solve above problem, this application has proposed a bone conduction microphone.

Disclosure of Invention

The utility model aims to provide a bone conduction microphone to solve the problems that noise and voice are difficult to separate and potential safety hazards exist in use in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bone conduction microphone, includes earphone cover, earphone cavity protecgulum and earphone loudspeaker unit, the earphone cover with earphone loudspeaker unit is located respectively the both sides of earphone cavity protecgulum, the earphone cavity protecgulum is close to one side of earphone cover installs bone conduction microphone body unit, the outside of bone conduction microphone body unit is provided with the microphone front shroud.

Preferably, a fixing shell is arranged on a side wall of the earphone cavity front cover, which is close to the earphone sleeve, and the earphone cavity front cover is connected with the bone conduction microphone body unit through the fixing shell.

Preferably, the bone conduction microphone body unit is detachably clamped inside the fixing shell.

Preferably, the fixing shell and the earphone cavity front cover are integrally formed.

Preferably, a sponge cushion is arranged outside the earphone sleeve.

Preferably, the bone conduction microphone body unit is provided with a wire, and the other end of the wire is connected with an earphone power supply.

Preferably, a connecting column is arranged on a side wall of the earphone cavity front cover, which is far away from the earphone sleeve.

The utility model has the technical effects and advantages that:

1. the bone conduction microphone body unit is arranged in the front cover of the closed earphone cavity, so that high-noise environmental noise can be better filtered and attenuated, and the bone conduction microphone is more suitable for being used in ultra-high noise occasions.

2. The device cancels the traditional microphone sending rod, thereby effectively solving the problem that the microphone sending rod easily encounters the mouth when being used in some high-sport occasions, improving the safety of use and simultaneously solving the problem that saliva is easy to remain on the traditional microphone sending rod to breed bacteria.

Drawings

Fig. 1 is an exploded view of the overall structure of the present utility model.

Fig. 2 is a cross-sectional view of the overall structure of the present utility model.

Fig. 3 is a front view of the overall structure of the present utility model.

Fig. 4 is a rear view of the overall structure of the present utility model.

In the figure: 1. an earphone sleeve; 2. a microphone front cover; 3. a bone conduction microphone body unit; 4. a headset cavity front cover; 5. an earphone speaker unit; 6. a wire; 7. a fixed case; 8. and (5) connecting the columns.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a bone conduction microphone as shown in figures 1-4, which comprises an earphone cover 1, an earphone cavity front cover 4 and an earphone horn unit 5, wherein the earphone cover 1 and the earphone horn unit 5 are respectively positioned at two sides of the earphone cavity front cover 4 and are respectively assembled with the earphone cavity front cover 4 through screws, one side of the earphone cavity front cover 4, which is close to the earphone cover 1, is provided with a bone conduction microphone body unit 3, the bone conduction microphone body unit 3 can receive and transmit vibration voice signals as an existing part, a wire 6 is arranged on the bone conduction microphone body unit 3, the other end of the wire 6 is connected with an earphone power supply, the outer side of the bone conduction microphone body unit 3 is provided with a microphone front cover 2, when the earphone cover 1 is used, the earphone cover 1 is contacted with cheeks beside the ears, when a person speaks, the cheeks are driven to vibrate correspondingly, the vibration voice signals are transmitted to the bone conduction microphone body unit 3 through the microphone front cover 2, then the bone conduction microphone body unit 3 transmits voice signals to complete work, and the traditional earphone cover type earphone microphone body unit 3 is canceled, the other end of the bone conduction microphone body unit is connected with the traditional earphone body unit is connected with the earphone power supply, the microphone body unit is connected with the earphone microphone body through the wire, the microphone body is capable of being used for preventing the microphone from being used for sound attenuation, and the problem of sound can be better, and the sound can be well and noise can be well attenuated when the microphone can be well, and has high, and has the noise can be well and has high noise and can be used and noise and has better and can be used.

In this embodiment, the earphone cavity front cover 4 is provided with the fixed shell 7 on being close to a lateral wall of the earphone cover 1, and the shape of fixed shell 7 matches with bone conduction microphone body unit 3, and earphone cavity front cover 4 is connected with bone conduction microphone body unit 3 through fixed shell 7, and bone conduction microphone body unit 3 detachably joint is inside fixed shell 7, and fixed shell 7 and earphone cavity front cover 4 integrated into one piece are convenient for manufacture like this, and difficult fracture damages moreover.

In this embodiment, the outer part of the earphone sleeve 1 is provided with a sponge cushion, so that the comfort of a user in use can be improved.

In this embodiment, a side wall of the earphone cavity front cover 4 far away from the earphone sleeve 1 is provided with a connecting column 8, so that the whole earphone is clamped with other structures of the earphone for assembly.

The working principle of the utility model is as follows: the utility model relates to a bone conduction microphone, when in use, the earphone sleeve 1 is worn and compressed to be contacted with cheeks beside ears, at the moment, the plane part of the front microphone sleeve 2 is also contacted with the cheeks, when a person speaks and sounds, vibration voice signals drive the bones of the cheeks to vibrate correspondingly, the vibration voice signals are transmitted to a bone conduction microphone body unit 3 which is in adhesive connection with the front microphone sleeve 2, then the bone conduction microphone body unit 3 transmits voice, high noise environmental noise can be well filtered and attenuated in a bone conduction mode, and the bone conduction microphone is particularly suitable for being used in ultra-high noise occasions and convenient to popularize and use.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a bone conduction microphone, includes earphone cover (1), earphone cavity protecgulum (4) and earphone loudspeaker unit (5), its characterized in that: the earphone sleeve (1) and the earphone horn unit (5) are respectively positioned on two sides of the earphone cavity front cover (4), one side, close to the earphone sleeve (1), of the earphone cavity front cover (4) is provided with a bone conduction microphone body unit (3), and the outer side of the bone conduction microphone body unit (3) is provided with a microphone front cover (2).

2. A bone conduction microphone according to claim 1, characterized in that: a fixed shell (7) is arranged on one side wall of the earphone cavity front cover (4) close to the earphone sleeve (1), and the earphone cavity front cover (4) is connected with the bone conduction microphone body unit (3) through the fixed shell (7).

3. A bone conduction microphone according to claim 2, characterized in that: the bone conduction microphone body unit (3) is detachably clamped inside the fixing shell (7).

4. A bone conduction microphone according to claim 2, characterized in that: the fixed shell (7) and the earphone cavity front cover (4) are integrally formed.

5. A bone conduction microphone according to claim 1, characterized in that: the outside of earphone cover (1) is provided with the foam-rubber cushion.

6. A bone conduction microphone according to claim 1, characterized in that: the bone conduction microphone body unit (3) is provided with a wire (6), and the other end of the wire (6) is connected with an earphone power supply.

7. A bone conduction microphone according to claim 1, characterized in that: a connecting column (8) is arranged on one side wall of the earphone cavity front cover (4) which is far away from the earphone sleeve (1).