CN219478120U - Double-microphone bone conduction earphone - Google Patents
Double-microphone bone conduction earphone Download PDFInfo
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- CN219478120U CN219478120U CN202320753566.6U CN202320753566U CN219478120U CN 219478120 U CN219478120 U CN 219478120U CN 202320753566 U CN202320753566 U CN 202320753566U CN 219478120 U CN219478120 U CN 219478120U
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- bone conduction
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Abstract
The utility model relates to the technical field of bone conduction headphones, in particular to a double-microphone bone conduction headphone which comprises a vibrator, an ear hook and a bin body, wherein the ear hook is connected between the vibrator and the bin body, the vibrator comprises a shell, a first microphone is arranged in the shell, and a first microphone hole communicated with the interior of the shell is formed in the shell; the second microphone is arranged in the bin body, and the bin body is provided with a second microphone hole communicated with the inside of the bin body. According to the utility model, the first microphone inputs the sound signal through the first microphone hole, and the second microphone inputs the sound signal through the second microphone hole, so that the acquisition range of the input sound signal is enlarged, the correlation of the sound signal acquired by the first microphone and the sound signal acquired by the second microphone is reduced, the separation of human sounding and environmental sound in the input sound signal by the noise control element is facilitated, and the noise processing of the sound signal is facilitated. Compared with the prior art, the two microphones are all designed on the vibrator, so that the distance between the two microphones is increased, and the radio effect of the two microphones is improved and enhanced.
Description
Technical Field
The utility model relates to the technical field of bone conduction headphones, in particular to a double-microphone bone conduction headphone.
Background
Listening to music is one of the most common recreation ways of the masses, so headphones are also a necessary equipment for many young people. However, a general earphone is difficult to receive after the ears are worn for a long time, and the song listening experience is affected. The bone conduction earphone well avoids the problem, and is popular with more people because the bone conduction earphone transmits sound through facial bones without earplugs and blocking the ears.
In the prior art, some bone conduction headphones have a sound input function, and a user is connected with electronic equipment through the bone conduction headphones, such as electronic equipment of a mobile phone, a tablet computer, a computer and the like, so that sound signals can be conveniently input into the electronic equipment, and conversation and recording are facilitated. In order to improve the tone quality of an input sound signal, a noise control element in the bone conduction earphone performs noise processing on the sound signal to separate human body sounding and environmental sound, but in the related art, the two microphones are both arranged on a vibrator shell of the bone conduction earphone to collect the sound signal, so that the correlation of the collected sound signal is high, and the noise processing of the sound signal is inconvenient, so that improvement is needed.
Disclosure of Invention
The utility model aims to provide a double-microphone bone conduction earphone, which aims at the defects that a microphone is adopted to collect sound signals and the correlation of the collected sound signals is high in the prior art, wherein the first microphone inputs sound signals through a first microphone hole, the second microphone inputs sound signals through a second microphone hole, and the first microphone and the second microphone form a microphone array, so that the collection range of the input sound signals is enlarged, the correlation of the sound signals collected by the first microphone and the second microphone is reduced, and the noise control element can conveniently separate human sounding and environmental sound in the input sound signals, thereby facilitating the noise processing of the sound signals.
In order to achieve the above purpose, the double-microphone bone conduction earphone comprises a vibrator, an ear hook and a bin body, wherein the ear hook is connected between the vibrator and the bin body, in a wearing state, the ear hook is hung on an ear of a human body, the vibrator is positioned on one side of the front surface of an auricle of the human body and is attached to the skin of the human face, and the bin body is positioned on one side of the back surface of the auricle;
the vibrator comprises a shell, a first microphone is arranged in the shell, and a first microphone hole communicated with the interior of the shell is formed in the shell corresponding to the first microphone;
the inside second miaow head that is provided with in the storehouse body, the storehouse body corresponds the second miaow head is provided with the intercommunication the inside second microphone hole in storehouse body.
Preferably, when the portable electronic device is worn, the first microphone hole forms a first connecting line between a central point of a contour formed on the outer surface of the shell and a mouth corner of a human body, the second microphone hole forms a second connecting line between a central point of a contour formed on the outer surface of the bin body and the mouth corner of the human body, and an included angle a between the first connecting line and the second connecting line is smaller than 20 degrees.
Preferably, the housing is arranged between the eyebrow line of the human body and the corner line (P) of the mouth of the human body when worn.
Preferably, a concave cambered surface is arranged on one side of the shell, and the first microphone hole is formed in the concave cambered surface.
Preferably, the concave cambered surface is arranged on one side of the shell far away from the skin of the human face.
Preferably, the second microphone hole is arranged at the top of the bin body.
Preferably, the top of the bin body is provided with a protrusion, and the second microphone hole is arranged between the protrusion and the junction of the bin body and the ear hook.
Preferably, a groove is provided at an end of the protrusion facing the second microphone hole.
Preferably, the first microphone hole is provided with a metal net cover on the surface of the shell and the surface of the second microphone hole is provided with a metal net cover on the surface of the bin body, and the metal net covers are respectively covered on the outer sides of the first microphone hole and the second microphone hole.
Preferably, a waterproof and breathable membrane is arranged on the inner side of the metal net cover, and the first microphone hole and the second microphone hole are covered by the waterproof and breathable membrane.
The utility model has the beneficial effects that: according to the utility model, the first microphone inputs the sound signals through the first microphone hole, the second microphone inputs the sound signals through the second microphone hole, and the first microphone and the second microphone form the microphone array, so that the acquisition range of the input sound signals is enlarged, the correlation of the sound signals acquired by the first microphone and the second microphone is reduced, and the noise control element can conveniently separate the human sounding and the environmental sound in the input sound signals, thereby facilitating the noise processing of the sound signals.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the wearing state structure of the present utility model.
Fig. 3 is a schematic structural diagram of the vibrator according to the present utility model.
Fig. 4 is a schematic view of a partial structure of the cartridge body of the present utility model.
Fig. 5 is a schematic view showing an exploded state structure of the metal net cover of the present utility model.
The reference numerals include:
1. a vibrator; 11. a housing; 12. a first microphone aperture; 13. a concave cambered surface; 2. ear-hanging; 3. a bin body; 31. a second microphone aperture; 32. a protrusion; 33. a groove; 4. a metal mesh cover; 41. waterproof breathable membrane.
Detailed Description
The present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the double-microphone bone conduction earphone of the utility model comprises a vibrator 1, an ear hook 2 and a bin body 3, wherein the ear hook 2 is connected between the vibrator 1 and the bin body 3, in a wearing state, the ear hook 2 is hung on an ear of a human body, the vibrator 1 is positioned on one side of the front surface of an auricle of the human body and is attached to the skin of a face of the human body, and the bin body 3 is positioned on one side of the back surface of the auricle.
The vibrator 1 comprises a housing 11, a first microphone is arranged in the housing 11, a first microphone hole 12 communicated with the interior of the housing 11 is formed in the housing 11 corresponding to the first microphone, and the first microphone inputs sound signals through the first microphone hole 12.
The inside second microphone that is provided with of storehouse body 3, the storehouse body 3 is provided with the second microphone hole 31 of intercommunication storehouse body 3 inside corresponding second microphone, and the second microphone passes through second microphone hole 31 input sound signal.
When the microphone is used, the first microphone and the second microphone are electrically connected with the noise control element, the first microphone hole 12 is formed in the shell 11 of the vibrator 1, the second microphone hole 31 is formed in the bin body 3, the first microphone hole 12 and the second microphone hole 31 are arranged separately, the first microphone inputs sound signals through the first microphone hole 12, the second microphone inputs sound signals through the second microphone hole 31, the first microphone and the second microphone form a microphone array, the input sound signal acquisition range is enlarged, the correlation of the sound signals acquired by the first microphone and the second microphone is reduced, and the noise control element is convenient for separating human sounding and environmental sound in the input sound signals, so that the sound signals are convenient for noise processing. Compared with the prior art, the two microphones are all designed on the vibrator, the distance between the first microphone and the second microphone is increased, and the radio effect of the first microphone and the second microphone is improved.
When the microphone is worn, the first microphone hole 12 forms a first connection line L between a central point of a contour formed on the outer surface of the housing 11 and a mouth corner of a human body, the second microphone hole 31 forms a second connection line N between a central point of a contour formed on the outer surface of the housing 3 and the mouth corner of the human body, and an included angle a between the first connection line L and the second connection line N is smaller than 20 °, so that an extension line of the connection line of the first microphone hole 12 and the second microphone hole 31 is disposed in a region near the mouth corner of the human body, so that the first microphone hole 12 and the second microphone hole 31 conduct sound signals. In practical use, the angle a between the first line L and the second line N may be 11 °, 14 °, 17 ° and 19 °, which is illustrated by 11 °.
When the portable microphone is worn, the housing 11 is disposed between the eyebrow line M and the corner line (P) of the human body, so that the first microphone hole 12 is close to the mouth of the human body, and a sound signal of the human body is conveniently input into the first microphone through the first microphone hole 12.
One side of the housing 11 of the present embodiment is provided with a concave arc surface 13, the first microphone hole 12 is disposed on the concave arc surface 13, human sounding signals are collected through the concave arc surface 13, and the human sounding signals are input into the first microphone through the first microphone hole 12. In actual use, the concave cambered surface 13 faces one side of the mouth of a human body, so that the concave cambered surface 13 can collect sound signals of the human body better.
The concave cambered surface 13 of the embodiment is arranged on one side of the shell 11 far away from the skin of the face, so that sound signals emitted by a human body are conveniently collected on the concave cambered surface 13, and the sound signals input into the first microphone by the concave cambered surface 13 through the first microphone hole 12 are clearer.
The second microphone hole 31 of this embodiment sets up in the top of the storehouse body 3, inputs the environmental sound signal to the second miaow head through the second microphone hole 31, makes the setting of staggering of second microphone hole 31 and first microphone hole 12 to reduce the relativity of first miaow head and second miaow head collection sound, during the use, the environmental sound signal of gathering through the second miaow head, the human sounding signal of gathering through the first miaow head, thereby be convenient for follow-up noise reduction to human sounding signal.
The top of the bin body 3 of this embodiment is provided with the protruding 32, and the second microphone hole 31 sets up between protruding 32 and bin body 3 and ear-hook 2 junction, gathers the ambient sound signal through protruding 32 and inputs to the second miaow head through the second microphone hole 31, makes the ambient sound signal more clear.
The protrusion 32 of the present embodiment is provided with a groove 33 toward one end of the second microphone hole 31, and the protrusion 32 collects the ambient sound signal through the groove 33, so that the ambient sound signal is conveniently input to the second microphone through the second microphone hole 31.
The first microphone hole 12 and the second microphone hole 31 of the present embodiment are both provided with the metal mesh cover 4 on the surface of the housing 11 and the surface of the bin body 3, and the metal mesh cover 4 covers the outer sides of the first microphone hole 12 and the second microphone hole 31 respectively, so as to play a role in filtering noise of the sound signals and reduce howling. Specifically, the edge of the metal mesh cover 4 is provided with a convex edge, and the metal mesh cover 4 is connected to the first microphone hole 12 or the second microphone hole 31 through interference fit connection between the convex edge and the inner side wall of the first microphone hole 12 or the second microphone hole 31.
The inner side of the metal mesh cover 4 of the present embodiment is provided with a waterproof and breathable membrane 41, and the waterproof and breathable membrane 41 covers the first microphone hole 12 and the second microphone hole 31, so that the first microphone hole 12 and the second microphone hole 31 are waterproof and breathable, and the first microphone hole 12 and the second microphone hole 31 have a certain waterproof function. In actual use, the waterproof and breathable membrane 41 is provided with a plurality of ventilation holes, the diameter of each ventilation hole is smaller than 0.4NM, the diameter of each ventilation hole is smaller than that of water molecules, and the waterproof and breathable membrane 41 can be waterproof and breathable.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (10)
1. A double-microphone bone conduction earphone, characterized in that: the novel ear-hanging type human body ear-hanging device comprises an oscillator (1), an ear-hanging device (2) and a bin body (3), wherein the ear-hanging device (2) is connected between the oscillator (1) and the bin body (3), in a wearing state, the ear-hanging device (2) is hung on the ear of a human body, the oscillator (1) is positioned on one side of the front surface of the auricle of the human body and is attached to the skin of the human face, and the bin body (3) is positioned on one side of the back surface of the auricle;
the vibrator (1) comprises a shell (11), a first microphone is arranged in the shell (11), and a first microphone hole (12) communicated with the interior of the shell (11) is formed in the shell (11) corresponding to the first microphone;
the second microphone is arranged in the bin body (3), and the bin body (3) is provided with a second microphone hole (31) which is communicated with the inside of the bin body (3) corresponding to the second microphone.
2. A dual-microphone bone conduction headset as claimed in claim 1, wherein: when the novel multifunctional portable multifunctional device is worn, a first connecting line (L) is formed between the central point of a contour formed on the outer surface of the shell (11) and the mouth angle of a human body, a second connecting line (N) is formed between the central point of a contour formed on the outer surface of the bin body (3) and the mouth angle of the human body, and an included angle a between the first connecting line (L) and the second connecting line (N) is smaller than 20 degrees.
3. A dual-microphone bone conduction headset as claimed in claim 1, wherein: when the utility model is worn, the shell (11) is arranged between the eyebrow line (M) of the human body and the corner line (P) of the mouth of the human body.
4. A dual-microphone bone conduction headset as claimed in claim 1, wherein: one side of the shell (11) is provided with a concave cambered surface (13), and the first microphone hole (12) is arranged in the concave cambered surface (13).
5. The dual-microphone bone conduction headset of claim 4, wherein: the concave cambered surface (13) is arranged on one side of the shell (11) far away from the skin of the human face.
6. A dual-microphone bone conduction headset as claimed in claim 1, wherein: the second microphone hole (31) is formed in the top of the bin body (3).
7. The dual-microphone bone conduction headset of claim 6, wherein: the top of the bin body (3) is provided with a protrusion (32), and the second microphone hole (31) is arranged between the protrusion (32) and the joint of the bin body (3) and the ear hook (2).
8. The dual-microphone bone conduction headset of claim 7, wherein: one end of the protrusion (32) facing the second microphone hole (31) is provided with a groove (33).
9. A dual-microphone bone conduction headset as claimed in claim 1, wherein: the first microphone hole (12) is arranged on the surface of the shell (11) and the second microphone hole (31) are both provided with a metal net cover (4) on the surface of the bin body (3), and the metal net cover (4) covers the outer sides of the first microphone hole (12) and the second microphone hole (31) respectively.
10. The dual-microphone bone conduction headset of claim 9, wherein: the inner side of the metal net cover (4) is provided with a waterproof and breathable membrane (41), and the first microphone hole (12) and the second microphone hole (31) are covered by the waterproof and breathable membrane (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320753566.6U CN219478120U (en) | 2023-04-07 | 2023-04-07 | Double-microphone bone conduction earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320753566.6U CN219478120U (en) | 2023-04-07 | 2023-04-07 | Double-microphone bone conduction earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219478120U true CN219478120U (en) | 2023-08-04 |
Family
ID=87462324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320753566.6U Active CN219478120U (en) | 2023-04-07 | 2023-04-07 | Double-microphone bone conduction earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219478120U (en) |
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2023
- 2023-04-07 CN CN202320753566.6U patent/CN219478120U/en active Active
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