CN217283328U - Bone conduction earphone - Google Patents
Bone conduction earphone Download PDFInfo
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- CN217283328U CN217283328U CN202220727754.7U CN202220727754U CN217283328U CN 217283328 U CN217283328 U CN 217283328U CN 202220727754 U CN202220727754 U CN 202220727754U CN 217283328 U CN217283328 U CN 217283328U
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- bone conduction
- microphone
- noise reduction
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Abstract
The utility model discloses a bone conduction earphone belongs to bluetooth headset technical field. The bone conduction headset comprises a shell, a conversation microphone and a noise reduction microphone. The shell is provided with a through hole which is used for realizing the convection of the air in the auditory canal and the air outside; the communication microphone is fixed on the shell and used for converting the sound transmitted by the ear bones of the human body into an electric signal; the noise reduction microphone is fixed on the shell and used for converting sound passing through the through hole into an electric signal. The utility model discloses a bone conduction earphone can make the air in the duct and the air in the external world keep the convection current to make the duct keep dry.
Description
Technical Field
The utility model relates to a bluetooth headset technical field especially relates to a bone conduction headset.
Background
Bone conduction headphones are classified into bone conduction speaker technology headphones and bone conduction microphone technology headphones.
Bone conduction speaker technology earphones use bone conduction technology to receive the sound, the bone conduction speaker is tightly attached to the bone, and the sound waves are directly transmitted to the auditory nerve through the bone (generally, the sound is directly transmitted by using facial cheek bones). Therefore, the bone conduction speaker technology earphone can liberate two ears and has small damage to eardrums.
Bone conduction microphone technology earphones collect sound using bone conduction technology, and sound waves are transmitted through the bone to the microphone. Due to the limitations of the use environment, users sometimes cannot speak loudly, and the rate of loss of sound conduction in bone is much lower than in air conduction. Because of the close distance and low loss of the bone conduction, a user can accurately transmit the instruction to be expressed by only sending a small sound.
Among the correlation technique, bone conduction microphone technique earphone can block up the auditory canal in the use, if wear bone conduction microphone technique earphone for a long time, the air in the auditory canal can't become moist easily with outside air convection for a long time, can arouse the auditory canal allergy even when the condition is serious.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a bone conduction earphone can make the air in the duct and the air in the external world keep the convection current to make the duct keep dry.
According to the utility model discloses a bone conduction headset of first aspect embodiment, include:
the shell is provided with a through hole, and the through hole is used for realizing convection of air in the auditory canal and air outside;
the conversation microphone is fixed on the shell and used for converting sound transmitted by human ear bones into an electric signal;
and the noise reduction microphone is fixed on the shell and used for converting the sound passing through the through hole into an electric signal.
According to the utility model discloses bone conduction earphone has following beneficial effect at least: the shell is provided with the through hole, when the bone conduction earphone is worn on an ear, the through hole realizes convection of air in the auditory canal and air outside, so that sweat discharged from the auditory canal can be evaporated in time, and the auditory canal is kept dry; in addition, the noise reduction microphone converts the sound passing through the through hole into an electric signal, so that the problem that the noise is greatly increased due to the fact that the through hole is formed in the shell is solved, and the bone conduction headset can normally talk.
According to some embodiments of the utility model, still include bone conduction speaker, bone conduction speaker is fixed in the casing, bone conduction speaker is used for transmitting mechanical vibration signal for human ear's skeleton.
According to some embodiments of the utility model, still include the support, the support includes the flexion, the flexion is used for hanging to locate the ear, the support with the casing is connected.
According to some embodiments of the utility model, still include the connecting wire, the one end of connecting wire with casing fixed connection, the other end of connecting wire with support fixed connection.
According to some embodiments of the invention, the bracket is fixedly connected with the housing.
According to some embodiments of the utility model, still include the battery, the battery is fixed in the support, the battery with the conversation microphone the microphone electricity of making an uproar is fallen and is connected.
According to the utility model discloses a some embodiments, the support is equipped with the holding chamber, the battery is located the holding intracavity.
According to some embodiments of the utility model, still include touch sensor, touch sensor is used for control the conversation microphone with the operating condition of the microphone of making an uproar falls.
According to some embodiments of the utility model, still include gravity sensor, gravity sensor is used for control the conversation microphone with fall the operating condition of making an uproar microphone.
According to some embodiments of the utility model, the diameter of through-hole is 3 ~ 7 mm.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
fig. 1 is a schematic view of a bone conduction headset according to a first embodiment of the present invention;
fig. 2 is a cross-sectional view of the earphone body of the bone conduction earphone of fig. 1;
fig. 3 is a sectional view of an earphone body according to a second embodiment of the present invention;
fig. 4 is a cross-sectional view of a holder of the bone conduction headset of fig. 1.
Reference numerals: the earphone comprises an earphone body 100, a shell 110, a cavity 111, a through hole 112, a call microphone 120, a bone conduction speaker 130, a noise reduction microphone 140, a touch sensor 150 and a gravity sensor 160;
the support 200, the bending part 210 and the accommodating cavity 220;
a connecting line 300;
a battery 400.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.
In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1 and 2, a bone conduction headset according to an embodiment of the present invention includes a housing 110, a call microphone 120, and a noise reduction microphone 140. The shell 110 is provided with a through hole 112, and the through hole 112 is used for realizing convection of air in the ear canal and air of the outside. A call microphone 120 is fixed to the housing 110, and the call microphone 120 is used to convert sounds coming from the human ear bone into electrical signals. The noise reduction microphone 140 is fixed to the housing 110, and the noise reduction microphone 140 serves to convert sound passing through the through-hole 112 into an electrical signal.
According to the utility model discloses bone conduction headset has following beneficial effect at least: the shell 110 is provided with the through hole 112, when the bone conduction earphone is worn on the ear, the through hole 112 realizes convection between air in the ear canal and air outside, so that sweat discharged from the ear canal can be evaporated in time, and the ear canal is kept dry; in addition, the noise reduction microphone 140 converts the sound passing through the through hole 112 into an electrical signal, thereby being advantageous to solve the problem of a large increase in noise due to the through hole 112, thereby enabling the bone conduction headset to talk normally.
Specifically, the casing 110 is provided with a cavity 111, the conversation microphone 120 and the noise reduction microphone 140 are located in the cavity 111, and the conversation microphone 120 and the noise reduction microphone 140 can be fixed to the casing 110 through fasteners.
Specifically, in order to reduce noise, the bone conduction headset usually further includes an active noise reduction ENC circuit, the active noise reduction ENC circuit is electrically connected to the call microphone 120 and the noise reduction microphone 140, a sound signal acquired by the noise reduction microphone 140 is converted into an electrical signal and then transmitted to the active noise reduction ENC circuit, and after the electrical signal is compared with a sound signal acquired by the call microphone 120, the sound content of the user can be separated.
Referring to fig. 2, in some embodiments of the present invention, the bone conduction earphone further includes a bone conduction speaker 130, the bone conduction speaker 130 is fixed to the housing 110, and the bone conduction speaker 130 is used for transmitting the mechanical vibration signal to the human ear bone.
Therefore, the bone conduction earphone also has the function of active broadcasting, and the function of the bone conduction earphone is more complete.
Referring to fig. 1, in some embodiments of the present invention, the bone conduction earphone further includes a support 200, the support 200 includes a bending portion 210, the bending portion 210 is used for being hung on an ear, and the support 200 is connected to the housing 110.
Thus, when the bone conduction earphone is used, the bending portion 210 is hung on the ear, which is helpful for fixing the earphone body 100 (when the support 200 is fixedly connected with the earphone body 100, see the following description in particular), or is beneficial for reducing the probability of losing the earphone body 100 (when the support 200 is movably connected with the earphone body 100, for example, connected with the connecting line 300, see the following description in particular).
It should be noted that the earphone body 100 includes a housing 110, a call microphone 120, a bone conduction speaker 130, and a noise reduction microphone 140, and further includes a touch sensor 150 and a gravity sensor 160 described below.
Specifically, the bending portion 210 may be C-shaped to match the overall shape of the ear, or the bending portion 210 may be hung only on the upper end of the ear.
Referring to fig. 1, in a further embodiment of the present invention, the bone conduction earphone further includes a connection line 300, one end of the connection line 300 is fixedly connected to the housing 110, and the other end of the connection line 300 is fixedly connected to the support 200.
Therefore, when the earphone body 100 is separated from the ear, the holder 200 can pull the earphone body 100 through the connecting wire 300, thereby reducing the probability that the earphone body 100 is broken or lost.
Referring to fig. 1, in a further embodiment of the present invention, a bracket 200 is fixedly connected to the housing 110. At this time, the earphone body 100 can be stably worn on the ear, and is not easy to break away from the ear, and the probability of breaking the earphone body 100 is low.
Specifically, the bracket 200 and the housing 110 may be molded as a single body, so as to achieve a fixed connection. Alternatively, the bracket 200 and the housing 110 are fixed by fastening members.
Referring to fig. 4, in a further embodiment of the present invention, the bone conduction headset further includes a battery 400, the battery 400 is fixed to the bracket 200, and the battery 400 is electrically connected to the conversation microphone 120 and the noise reduction microphone 140.
Thus, the battery 400 can supply power to the call microphone 120 and the noise reduction microphone 140, thereby facilitating use.
Specifically, the connection line 300 is provided with an electric wire, and the battery 400 is electrically connected to the conversation microphone 120 and the noise reduction microphone 140 through the electric wire.
In addition, when a rechargeable battery is also disposed in the cavity 111, the battery 400 can charge the rechargeable battery, thereby increasing the endurance time of the bone conduction headset.
Referring to fig. 4, in a further embodiment of the present invention, the bracket 200 is provided with a receiving cavity 220, and the battery 400 is located in the receiving cavity 220.
Therefore, the bracket 200 can protect the battery 400 and reduce the probability of the battery 400 being damaged by collision.
Referring to fig. 3, in some embodiments of the present invention, the bone conduction headset further includes a touch sensor 150, and the touch sensor 150 is used for controlling the operation states of the call microphone 120 and the noise reduction microphone 140.
Therefore, the working states of the call microphone 120 and the noise reduction microphone 140 can be controlled more conveniently, and the bone conduction headset can be used more conveniently.
Specifically, the operation state of the call microphone 120 includes an on state, an off state, and a volume state, switching between the on state and the off state may be achieved by a single touch, and the volume of the call microphone 120 may be adjusted by sliding along the surface of the sensor 150. Similarly, the operating state of the noise reduction microphone 140 includes an on state and an off state, and the switching between the on state and the off state of the noise reduction microphone 140 is realized by two touches, the noise reduction microphone 140 may perform noise reduction in the on state, and the noise reduction microphone 140 is turned off in the off state, so that the user may obtain the ambient sound.
Specifically, the touch sensor 150 may be a capacitive touch sensor, and after a capacitance change signal of the capacitive touch sensor is transmitted to the control chip, the control chip outputs a control signal to control the operating states of the call microphone 120 and the noise reduction microphone 140.
Referring to fig. 3, in some embodiments of the present invention, the bone conduction headset further includes a gravity sensor 160, and the gravity sensor 160 is used to control the operation states of the call microphone 120 and the noise reduction microphone 140.
Specifically, the working state of the call microphone 120 includes an open state and a closed state, and the open state and the closed state can be switched by a single tap. Similarly, the operating state of the noise reduction microphone 140 includes an open state and a closed state, and the on state and the closed state of the noise reduction microphone 140 are switched by two taps, so that the noise reduction microphone 140 can reduce noise in the open state, and the noise reduction microphone 140 is closed in the closed state, so that a user can obtain environmental sounds.
In some embodiments of the present invention, the diameter of the through hole 112 is 3-7 mm.
When the diameter of the through hole 112 is small, the ventilation effect of the through hole 112 is poor, which is not beneficial to the convection of the air in the auditory canal and the air outside; when the diameter of the through hole 112 is large, noise passing through the through hole 112 may be large, which is not favorable for the normal operation of the bone conduction headset. Through limiting the diameter of through-hole 112 to 3 ~ 7mm, be favorable to getting balanced between ventilation effect and noise reduction effect.
Specifically, the diameter of the through-hole 112 is 3mm, 5mm, 7mm or other values.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
Claims (10)
1. Bone conduction headphones, comprising:
the shell is provided with a through hole, and the through hole is used for realizing convection of air in the auditory canal and air outside;
the conversation microphone is fixed on the shell and used for converting sound transmitted by human ear bones into an electric signal;
and the noise reduction microphone is fixed on the shell and used for converting the sound passing through the through hole into an electric signal.
2. The bone conduction headset of claim 1, further comprising a bone conduction speaker secured to the housing, the bone conduction speaker for transmitting a mechanical vibration signal to the human ear bone.
3. The bone conduction headset of claim 1 or 2, further comprising a bracket, the bracket including a curved portion for hanging on an ear, the bracket being connected with the housing.
4. The bone conduction headset of claim 3, further comprising a connection wire, one end of the connection wire being fixedly connected to the housing, the other end of the connection wire being fixedly connected to the support.
5. The bone conduction headset of claim 3, wherein the cradle is fixedly connected with the housing.
6. The bone conduction headset of claim 3, further comprising a battery secured to the bracket, the battery being electrically connected to the conversation microphone and the noise reduction microphone.
7. The bone conduction headset of claim 6, wherein the cradle is provided with a receiving cavity, the battery being located within the receiving cavity.
8. The bone conduction headset of claim 1 or 2, further comprising a touch sensor for controlling the operating states of the talk microphone and the noise reduction microphone.
9. The bone conduction headset of claim 1 or 2, further comprising a gravity sensor for controlling the operating states of the conversation microphone and the noise reduction microphone.
10. The bone conduction headset of claim 1 or 2, wherein the through hole has a diameter of 3-7 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220727754.7U CN217283328U (en) | 2022-03-30 | 2022-03-30 | Bone conduction earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220727754.7U CN217283328U (en) | 2022-03-30 | 2022-03-30 | Bone conduction earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217283328U true CN217283328U (en) | 2022-08-23 |
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ID=82871812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220727754.7U Active CN217283328U (en) | 2022-03-30 | 2022-03-30 | Bone conduction earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217283328U (en) |
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2022
- 2022-03-30 CN CN202220727754.7U patent/CN217283328U/en active Active
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