CN217693667U

CN217693667U - Prevent wind bluetooth headset of making an uproar

Info

Publication number: CN217693667U
Application number: CN202221236764.7U
Authority: CN
Inventors: 杨勇; 王志军
Original assignee: Shenzhen Xingkeqi Innovation Technology Co ltd
Current assignee: Shenzhen Xingkeqi Innovation Technology Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-10-28
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a wind noise prevention Bluetooth headset, which comprises a shell, a PCB circuit board and a loudspeaker, wherein the shell comprises an ear handle and a loudspeaker cavity arranged at one end of the ear handle; the surface of the ear handle, which is connected with the horn cavity, is a back surface, the surface of the ear handle, which is deviated from the horn cavity, is a front surface, and the surfaces of the ear handle, which are positioned at the left side and the right side of the front surface or the back surface, are side surfaces; the PCB circuit board is arranged in the ear handle, and the loudspeaker is arranged in the loudspeaker cavity; an environment noise reduction microphone is arranged on the PCB and provided with an environment sound receiving hole; the ear handle is provided with an environment sound inlet hole, and the environment sound inlet hole is positioned on the side surface of the ear handle; and a sound inlet cavity channel is arranged in the ear handle in a penetrating manner, and the sound inlet cavity channel is communicated with the environment sound inlet hole and the environment sound collecting hole. The utility model discloses make wind among the external environment can not directly blow to environment sound inlet hole, from the influence of structural greatly reduced wind making an uproar, promote the tone quality of falling the output of formula of making an uproar bluetooth headset.

Description

Prevent wind bluetooth headset of making an uproar

Technical Field

The utility model relates to a formula of making an uproar bluetooth headset technical field especially relates to a bluetooth headset of preventing wind making an uproar falls.

Background

The Bluetooth headset can receive and play audio signals in a wireless mode. The casing of bluetooth headset generally includes ear handle and loudspeaker cavity, and the loudspeaker cavity is provided with rechargeable battery and goes out the sound pore way, goes out the sound pore way and is used for spreading the audio frequency, and loudspeaker cavity structure can set to the pleasant formula or half pleasant formula, generally sets up circuit element in the ear handle.

In order to reduce the ambient noise and improve the tone quality of earphone output, some existing bluetooth earphones are provided with an active noise reduction function to become a noise reduction type bluetooth earphone, the active noise reduction function needs to collect the ambient noise firstly, and then sends out sound waves opposite to the phase of the noise to the collected ambient noise after data processing to offset the ambient noise.

The collection of ambient noise generally sets up the environment through the ear handle at the formula of making an uproar bluetooth headset casing of making an uproar and advances the sound hole, and the one side of the loudspeaker cavity is connected to the ear handle of the formula of making an uproar bluetooth headset of making an uproar is the back, and the one side that the ear handle deviates from the loudspeaker cavity is positive, and the current formula of making an uproar bluetooth headset of making an uproar environment advances the sound hole and generally sets up the positive position at the ear handle. However, when the environment sound inlet hole is arranged at the front position of the ear handle, wind in the external environment can directly blow in the environment sound inlet hole, so that large wind noise can be generated, and the output tone quality is influenced.

Therefore, the prior art is in need of improvement.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art's weak point, the utility model aims to provide a prevent wind bluetooth headset of making an uproar aims at making wind among the external environment can not directly blow to the environment sound inlet, and greatly reduced wind makes an uproar influence, promotes the tone quality of falling the output of formula of making an uproar bluetooth headset.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a prevent wind bluetooth headset of making an uproar, includes the casing, sets up PCB circuit board, loudspeaker and rechargeable battery in the casing, wherein:

the shell comprises an ear handle and a horn cavity arranged at one end of the ear handle, and the ear handle is connected with the horn cavity in an included angle;

the surface of the ear handle, which is connected with the horn cavity, is a back surface, the surface of the ear handle, which is deviated from the horn cavity, is a front surface, and the surfaces of the ear handle, which are positioned at the left side and the right side of the front surface or the back surface, are side surfaces;

the PCB circuit board is arranged in the ear handle, and the horn and the rechargeable battery are arranged in the horn cavity;

an environment noise reduction microphone is arranged on the PCB and provided with an environment sound receiving hole;

the ear handle is provided with an environment sound inlet hole, and the environment sound inlet hole is positioned on the side surface of the ear handle;

and a sound inlet cavity channel is arranged in the ear handle in a penetrating manner, and the sound inlet cavity channel is communicated with the environment sound inlet hole and the environment sound collecting hole.

Wherein, the casing is connected gradually by face-piece, mesochite and loudspeaker drain pan and constitutes, the mesochite includes the long handle and is the connector that the contained angle is connected with the long handle, the long handle deviates from one side of connector is provided with the PCB installation cavity, PCB installation cavity holding PCB circuit board, the face-piece lid closes the PCB installation cavity, the connector deviates from one side of face-piece with the loudspeaker drain pan is connected, the environment advances the sound hole setting and is in the side of long handle, it wears to locate to advance the sound chamber way in the long handle.

Wherein, the sound inlet cavity channel is a bent cavity channel.

Wherein, the sound inlet cavity channel is an L-shaped cavity channel.

The environment sound inlet hole is close to one end, connected with the horn cavity, of the ear handle.

The through hole is formed in the PCB, the lower end of the environmental noise reduction microphone is provided with a sound receiving pipe, the environmental sound receiving hole is formed in the sound receiving pipe, the environmental noise reduction microphone is installed at the upper end of the through hole of the PCB and the sound receiving pipe of the environmental noise reduction microphone penetrates out of the through hole downwards.

The microphone sleeve is arranged at the lower end of the through hole of the PCB and sleeved outside the radio tube of the environmental noise reduction microphone.

Wherein, the ear handle is kept away from the one end of loudspeaker cavity is provided with the portion of charging.

The loudspeaker bottom shell is internally provided with the loudspeaker, the loudspeaker bottom shell is further connected with a sound outlet structure, and a soft earplug is sleeved outside the sound outlet structure.

Wherein, the front side of the face shell is also provided with a decorative sheet which can be detachably connected.

It is understood that within the scope of the present invention, the technical features mentioned above and those specifically described in the following (for example, in the embodiments) can be combined with each other to constitute new or preferred technical solutions, to be limited to space, which will not be described one by one herein.

The utility model discloses a prevent wind bluetooth headset of making an uproar through setting up the environmental noise reduction miaow head on the PCB circuit board, sets up the environmental sound receiving hole on the environmental noise reduction miaow head, then advances the sound hole setting in the side of ear handle with the environment of gathering the environmental noise, wears to be equipped with into sound chamber way in the ear handle, advances sound chamber way intercommunication environment and advances sound hole and environmental sound receiving hole. Like this use the utility model discloses a during bluetooth headset, external wind can not directly blow to the environment sound inlet hole to greatly reduced wind makes an uproar is to falling the influence of formula bluetooth headset output tone quality of making an uproar.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, 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 the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the noise-prevention bluetooth headset of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 1;

FIG. 4 is an exploded view of the structure of FIG. 1;

FIG. 5 is a schematic view of the structure of FIG. 3 from another perspective;

fig. 6 is a partially enlarged view of the structure of fig. 5.

Description of reference numerals:

100-earphone, 1-shell, 11-face shell, 12-middle shell, 121-long handle, 122-connector, 123-PCB installation cavity, 13-loudspeaker bottom shell, 131-sound outlet structure, 14-soft earplug, 15-decorative sheet, 2-PCB circuit board, 21-through hole, 3-ear handle, 4-loudspeaker cavity, 5-environmental noise reduction microphone, 51-environmental sound receiving hole, 52-radio tube, 6-environmental sound inlet hole, 7-sound inlet cavity channel, 8-microphone sleeve and 9-charging part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection or a removable connection, or may be integral therewith; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Referring to fig. 1 to 3, the present invention provides a wind noise prevention bluetooth headset 100, which includes a housing 1, a PCB 2 disposed in the housing 1, a speaker and a rechargeable battery (not shown). The PCB circuit board 2 is internally provided with a Bluetooth module circuit for wirelessly receiving audio and decoding the sound box, and then playing through a loudspeaker.

The utility model discloses bluetooth headset 100's casing 1 includes ear handle 3 and sets up the loudspeaker cavity 4 in 3 one ends of ear handle, ear handle 3 is the contained angle with loudspeaker cavity 4 and is connected. The PCB circuit board 2 is arranged in the ear handle 3, and the horn and the rechargeable battery are arranged in the horn cavity 4.

As shown in fig. 1 and fig. 2, the one side of the ear stem 3 of the bluetooth headset 100 of this embodiment, which is connected with the speaker cavity 4, is the back side, the one side of the ear stem 3, which deviates from the speaker cavity 4, is the front side, and the ear stem 3 is located the side faces of the front side or the left and right sides of the back side. Because the user takes the bluetooth headset 100 back of this embodiment, bluetooth headset 100's ear handle 3 hangs in the ear below, and loudspeaker cavity 4 is plugged in human duct or is pasting human auricle, and this one side of loudspeaker cavity 4 is sheltered from, so it is the back, and ear handle 3 deviates from loudspeaker cavity 4's one side can be seen, and visible area is the biggest, so ear handle 3 deviates from loudspeaker cavity 4's one side is the front.

As shown in fig. 3, the PCB 4 of the bluetooth headset 100 of the present invention is provided with an ambient noise reduction microphone 5, and the ambient noise reduction microphone 5 is provided with an ambient sound receiving hole 51; the ear handle 3 is provided with an environment sound inlet hole 6, and the environment sound inlet hole 6 is positioned on the side surface of the ear handle 3; a sound inlet channel 7 is further arranged in the ear handle 3 in a penetrating manner, and the sound inlet channel 7 is communicated with the environment sound inlet hole 6 and the environment sound collecting hole 51.

The miaow head 5 of making an uproar falls in environment is used for gathering the noise of external environment, the noise of external environment enters from the environment of ear handle 3 sound inlet hole 6 and gets into, then the environment of the miaow head 5 of making an uproar falls in entering sound chamber way 7 through ear handle 3 is received the hole 51, then the miaow head 5 of making an uproar falls in the environment is gathered, be provided with the circuit of making an uproar on the PCB circuit board 2, an ambient noise for making an uproar falls in the environment carries out data processing, with the interference of ambient noise that eliminates in the audio frequency of output.

It can be seen from fig. 1 to fig. 3 that the utility model discloses bluetooth headset 100's environment advances sound hole 6 and sets up in the side of ear handle 3, and does not advance sound hole 6 and set up the front at ear handle 3 with the environment among the prior art, like this, is using the utility model discloses a bluetooth headset 100, external wind can not directly blow to environment advances sound hole 6, like this can greatly reduced wind make an uproar to the influence of falling the formula bluetooth headset 100 output tone quality of making an uproar.

Furthermore, the sound inlet channel 7 of the utility model is a bent channel. In the prior art, because the environment sound inlet hole is arranged on the front side of the ear handle, and the noise acquisition circuit part on the PCB is also over against the environment sound inlet hole, the sound inlet channel in the prior art is also straight-through, and the middle of the sound inlet channel is not bent. The straight-through sound inlet channel enables wind to enter the direct-blowing noise collection circuit from the environment sound inlet hole, and the sound inlet channel 7 of the embodiment adopts the structural design of the bent channel, so that the influence of the wind can be blocked and weakened, and the wind noise is further reduced.

Preferably, the sound inlet channel 7 of the present embodiment is an L-shaped channel, which is convenient for processing, and may be an S-shaped or Z-shaped bent channel.

The environment of this embodiment advances sound hole 6 and is close to ear handle 3 with the one end that loudspeaker cavity 4 is connected is worn like this the utility model discloses a bluetooth headset 100 back, environment advance sound hole 6 is close to the loudspeaker cavity 4 of people's ear position, does benefit to the noise that the collection people's ear position heard.

The utility model discloses bluetooth headset 100's ear handle 3 is kept away from the one end of loudspeaker cavity 4 is provided with charging portion 9. The charging portion 9 is provided with a charging PIN for connecting an external power source to charge the bluetooth headset 100.

Specifically, as shown in fig. 4, the utility model discloses bluetooth headset 100's casing 1 connects gradually by face-piece 11, mesochite 12 and loudspeaker drain pan 13 and constitutes, mesochite 12 includes long handle 121 and is the connector 122 that the contained angle is connected with long handle 121, long handle 121 deviates from one side of connector 122 is provided with PCB installation cavity 123, place in the PCB installation cavity 123 PCB circuit board 2, face-piece 11 lid closes PCB installation cavity 123, connector 122 deviates from one side of face-piece 11 with loudspeaker drain pan 13 is connected, place in the loudspeaker drain pan 13 loudspeaker, sound hole 6 sets up is advanced to the environment the side of long handle 121, advance sound chamber way 7 and wear to locate in the long handle 121. In this embodiment, the long handle 121 and the face shell 11 of the middle shell 12 form the ear handle 3 of the bluetooth headset 100, and the connector 122 and the speaker bottom shell 13 of the middle shell 12 form the speaker cavity 4 of the bluetooth headset 100. The front shell 11 is positioned on the front surface of the middle shell 12, and the loudspeaker bottom shell 13 is positioned on the back surface of the middle shell 12.

In this embodiment, the speaker bottom case 13 is further connected to a sound outlet structure 131, the soft earplug 14 is sleeved outside the sound outlet structure 131, and the sound outlet structure 131 may be a sound outlet tube, a sound outlet hole, or the like. The soft earplugs 14 are used for being plugged into ears, and the soft earplugs 14 are made of silica gel.

Preferably, the front side of the face shell 11 is further provided with a detachably connected decorative sheet 15. The decorative sheet 15 plays a role in decoration and beauty, and can be replaced according to the preference of users.

As shown in fig. 5 and 6, a through hole 21 is formed in the PCB 2 of the present embodiment, a sound receiving tube 52 is disposed at a lower end of the environmental noise reduction microphone 5, the environmental sound receiving hole 51 is disposed in the sound receiving tube 52, the environmental noise reduction microphone 5 is mounted at an upper end of the through hole 21 of the PCB 2, and the sound receiving tube 52 of the environmental noise reduction microphone 5 penetrates out of the through hole 21. Make PCB circuit board 2 install behind PCB installation cavity 123 like this, environmental noise reduction miaow head 5 can be installed in PCB circuit board 2's upper end, advances sound chamber way 7 and can penetrate through the diapire of PCB installation cavity 123, is convenient for like this advance the setting of sound chamber way 7.

Preferably, the microphone sleeve 8 is further included, and the microphone sleeve 8 is mounted at the lower end of the through hole 21 of the PCB 2 and sleeved outside the sound receiving tube 52 of the environmental noise reduction microphone 5. The microphone cover 8 is made of silica gel, so that the microphone cover has a sealing effect, and the influence of noise of other cavities in the Bluetooth headset 100 on the sound inlet cavity channel 7 is prevented.

The embodiment of the utility model provides a prevent wind bluetooth headset 100 of making an uproar through setting up the environmental noise reduction miaow head 5 on PCB circuit board 2, sets up environmental sound receiving hole 51 on the environmental noise reduction miaow head 5, then will gather environmental noise's environmental sound inlet hole 6 and set up in the side of earstem 3, wears to be equipped with into sound chamber way 7 in earstem 3, and it says 7 intercommunication environmental sound inlet hole 6 and environmental sound receiving hole 51 to advance the sound chamber. Like this use the utility model discloses a during bluetooth headset 100, external wind can not directly blow to environment advance sound hole 6 to the influence that greatly reduced wind made an uproar improves the output tone quality of the formula bluetooth headset 100 of making an uproar of falling initiatively.

The above only for the purpose of clearly illustrating the examples of the present invention, not limiting the scope of the present invention, can't be exhausted to all the embodiments, all the concepts of the present invention, utilize the equivalent structure transformation of the content of the technical solution of the present invention, or directly/indirectly use in other related technical fields and are all included in the protection scope of the present invention.

Claims

1. The utility model provides a prevent wind bluetooth headset of making an uproar, includes the casing, sets up PCB circuit board, loudspeaker and rechargeable battery in the casing, its characterized in that:

the horn cavity is characterized in that one side of the ear handle connected with the horn cavity is a back side, one side of the ear handle departing from the horn cavity is a front side, and the surfaces of the ear handle positioned at the left side and the right side of the front side or the back side are side surfaces;

2. The wind noise prevention Bluetooth headset of claim 1, wherein the housing is formed by sequentially connecting a face shell, a middle shell and a speaker bottom shell, the middle shell includes a long handle and a connector connected with the long handle at an included angle, a PCB installation cavity is disposed on one side of the long handle away from the connector, the PCB circuit board is accommodated in the PCB installation cavity, the face shell covers the PCB installation cavity, one side of the connector away from the face shell is connected with the speaker bottom shell, the environment sound inlet hole is disposed on a side surface of the long handle, and the sound inlet hole is disposed in the long handle in a penetrating manner.

3. The wind noise prevention bluetooth headset of claim 1, wherein the sound inlet channel is a bent channel.

4. The wind noise prevention bluetooth headset of claim 2, wherein the sound inlet channel is an L-shaped channel.

5. The wind noise prevention Bluetooth headset of claim 1, wherein the environment sound inlet hole is near an end of the ear handle connected to the speaker cavity.

6. The wind noise prevention Bluetooth headset of claim 1, wherein a through hole is formed in the PCB, a sound receiving tube is disposed at a lower end of the ambient noise reduction microphone, the ambient sound receiving hole is disposed in the sound receiving tube, the ambient noise reduction microphone is mounted at an upper end of the through hole of the PCB, and the sound receiving tube of the ambient noise reduction microphone penetrates downward out of the through hole.

7. The wind noise prevention Bluetooth headset of claim 6, further comprising a microphone sleeve, wherein the microphone sleeve is mounted at the lower end of the through hole of the PCB and sleeved outside a radio tube of the ambient noise reduction microphone.

8. The wind noise prevention Bluetooth headset of claim 1, wherein a charging portion is disposed at an end of the ear handle away from the speaker cavity.

9. The wind noise prevention Bluetooth headset of claim 2, wherein the speaker is accommodated in the speaker bottom case, the speaker bottom case is further connected with a sound output structure, and a soft earplug is sleeved outside the sound output structure.

10. The wind noise prevention Bluetooth headset of claim 2, wherein a decorative sheet detachably connected is further disposed on one side of the front surface of the face housing.