CN216086965U - Bluetooth earphone - Google Patents

Abstract

The application provides a bluetooth headset. The Bluetooth headset comprises a shell, a sounding component and a sealing piece; wherein, the shell is provided with a rear cavity air release hole; the sounding component is arranged in the shell and is used for sounding when being electrified; the sounding assembly comprises an electromagnetic coil and two electrodes, wherein the first ends of the two electrodes are connected with the electromagnetic coil; the sounding assembly is provided with an inner cavity, the electromagnetic coil and the first ends of the two electrodes are both positioned in the inner cavity, and waterproof layers are arranged on the outer surface of the electromagnetic coil and the outer surfaces of at least the first ends of the two electrodes; the inner cavity of the sounding component is communicated with the rear cavity air leakage hole, so that liquid entering the shell from the rear cavity air leakage hole directly enters the inner cavity of the sounding component; the sealing member is arranged between the sound production assembly and the shell and used for sealing a gap between the sound production assembly and the shell. This bluetooth headset's water-proof effects is better.

Description

Bluetooth earphone

Technical Field

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

Background

With the rapid development of the earphone industry, the waterproof requirement of a True Wireless Stereo (TWS) earphone for users is higher and higher. For example, the user needs better tone quality and better waterproof effect for the sports headset, and many headsets can open the air leakage hole of the back cavity for better tone quality, and the air leakage hole is easy to enter water, resulting in waterproof failure.

At present, waterproof mesh cloth is generally adopted to prevent water from entering; but waterproof screen cloth is on the side thick, is unfavorable for acoustic performance, can reduce tone quality. Therefore, the tuning mesh cloth is widely concerned about due to the air permeability; however, the tone quality of the earphone cannot be affected by the tuning mesh cloth, but the waterproof performance of the tuning mesh cloth is poor, so that the earphone is easy to enter water, and the performance of the inner assembly of the earphone is affected.

SUMMERY OF THE UTILITY MODEL

The application provides a bluetooth headset can solve the relatively poor problem of current earphone waterproof performance.

In order to solve the technical problem, the application adopts a technical scheme that: a Bluetooth headset is provided. The Bluetooth headset comprises a shell, a sounding component and a sealing piece; wherein, the shell is provided with a rear cavity air release hole; the sounding component is arranged in the shell and is used for sounding when being electrified; the sounding assembly comprises an electromagnetic coil and two electrodes, wherein the first ends of the two electrodes are connected with the electromagnetic coil; the sounding assembly is provided with an inner cavity, the electromagnetic coil and the first ends of the two electrodes are both positioned in the inner cavity, and waterproof layers are arranged on the outer surface of the electromagnetic coil and the outer surfaces of at least the first ends of the two electrodes; the inner cavity of the sounding component is communicated with the rear cavity air leakage hole, so that liquid entering the shell from the rear cavity air leakage hole directly enters the inner cavity of the sounding component; the sealing member is arranged between the sound production assembly and the shell and used for sealing a gap between the sound production assembly and the shell.

The sounding assembly comprises a horn body, a vibrating diaphragm and a cover body; the loudspeaker body is used for generating a magnetic field when being electrified and is matched with the vibrating diaphragm and the cover body to form an inner cavity; and the horn body is provided with a flow guide channel communicated with the inner cavity, and the inner cavity is communicated with the rear cavity air release hole through the flow guide channel.

Wherein, the horn body includes: a horn main body and a flow guide part; the loudspeaker body comprises an electromagnetic coil and a magnetic field generator, wherein the electromagnetic coil is used for generating a magnetic field when electrified; the loudspeaker main body is provided with a through hole, and second ends of the two electrodes, which are opposite to the first ends, extend out of the inner cavity through the through hole so as to lead out the electromagnetic coil; the flow guide part is connected with the horn main body and is provided with a flow guide channel, one end of the flow guide channel is communicated with the inner cavity, and the other end of the flow guide channel is communicated with the rear cavity air release hole.

Wherein, still include the tuning screen cloth, set up the position in the corresponding back chamber hole of losing heart of casing for the tone quality of adjustment sound.

Wherein, the tuning screen cloth sets up between the inner wall of water conservancy diversion portion and casing and all covers the back chamber disappointing hole.

Wherein, the terminal surface that loudspeaker main part was kept away from to water conservancy diversion portion corresponds the inside wall butt of the edge in back chamber disappointing hole with the casing, and covers tuning screen cloth entirely.

Wherein, the aperture of water conservancy diversion passageway is unanimous with the aperture of back chamber release hole, and the water conservancy diversion passageway is the L type.

Wherein, the horn main body and the flow guide part are integrally formed.

The sound-producing component is arranged in the shell and is positioned in the cavity of the shell; the communication component and the power supply component are electrically connected with the second ends of the two electrodes.

The waterproof layer is waterproof glue and at least covers the outer surfaces of the first ends and the second ends of the two electrodes; and/or the sealing element is a sealing glue which is filled between the shell and the sounding component and surrounds the whole circumference of the sounding component, and the filled part of the sealing element comprises a communication component and a position where a power supply component is electrically connected with the two electrodes.

According to the Bluetooth headset, the shell is arranged, and the rear cavity air leakage hole is formed in the shell, so that the air tightness of the shell is adjusted through the rear cavity air leakage hole; meanwhile, the sound production assembly is arranged in the shell, so that sound is produced by the sound production assembly when the shell is electrified; the inner cavity of the sounding component is communicated with the rear cavity air leakage hole; in addition, a sealing element is arranged between the sounding component and the shell to seal a gap between the sounding component and the shell; the inner cavity of the sounding component is communicated with the rear cavity air leakage hole, and the gap between the sounding component and the shell is sealed by the sealing element, so that liquid entering the shell from the rear cavity air leakage hole can directly enter the inner cavity of the sounding component, and the influence on the performances of other components such as a communication component, a power supply component and the like of the earphone due to the fact that the liquid enters other positions of the shell is avoided; and because the outer surface of the electromagnetic coil positioned in the inner cavity and the outer surfaces of the two electrodes positioned in the inner cavity are both provided with waterproof layers, the liquid entering the inner cavity can not influence the performances of the electromagnetic coil and the electrodes, so that the earphone can play a certain waterproof role.

Drawings

Fig. 1 is a schematic overall structure diagram of a bluetooth headset under a first vision according to an embodiment of the present application;

fig. 2 is a schematic overall structure diagram of a bluetooth headset under a second vision according to an embodiment of the present application;

fig. 3 is a schematic view of a disassembled structure of a bluetooth headset according to an embodiment of the present application;

fig. 4 is a schematic view of a disassembled structure of a bluetooth headset according to another embodiment of the present application;

FIG. 5 is a cross-sectional view taken along line A-A of the structure of FIG. 2 according to one embodiment of the present application;

FIG. 6 is a schematic vertical cross-sectional view of a horn body according to an embodiment of the present application;

fig. 7 is a schematic vertical sectional view of a horn according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. All directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The present application will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1 to 5, in which fig. 1 is a schematic view of an overall structure of a bluetooth headset under a first vision according to an embodiment of the present application; fig. 2 is a schematic overall structure diagram of a bluetooth headset under a second vision according to an embodiment of the present application; fig. 3 is a schematic view of a disassembled structure of a bluetooth headset according to an embodiment of the present application; fig. 4 is a schematic view of a disassembled structure of a bluetooth headset according to another embodiment of the present application; FIG. 5 is a cross-sectional view taken along line A-A of the structure of FIG. 2 according to one embodiment of the present application; in the present embodiment, a bluetooth headset 10 is provided, in which the bluetooth headset 10 has good waterproof effect and sound quality, and can be used during the user's sports, swimming or leisure activities.

Specifically, the bluetooth headset 10 may include a housing 11, a sound emitting assembly 12, a tuning mesh 13, and a sealing member (not shown).

Referring to fig. 1, the housing 11 has a cavity, and a sidewall of the cavity is provided with a rear cavity air release hole 111 communicated with the cavity, so as to adjust the air tightness in the cavity through the rear cavity air release hole 111, thereby adjusting the high and low frequency performance according to the heard sound, and improving the listening experience of the user. Specifically, when the bluetooth headset 10 is worn in the ear canal of the user, the rear cavity air release hole 111 is opened at a side of the housing 11 facing the ear canal.

The sounding component 12 is arranged in the cavity of the shell 11, and the sounding component 12 is used for sounding when being electrified; in particular, the sound generating assembly 12 includes an electromagnetic coil (not shown) and two electrodes 120. Wherein the electromagnetic coil is used for generating a magnetic field when electrified. The two electrodes 120 are positive and negative electrodes, respectively; each of the two electrodes 120 has a first end and a second end opposite to each other, wherein the first end of the positive electrode and the first end of the negative electrode are respectively connected to the electromagnetic coil for leading out the electromagnetic coil. In a specific embodiment, the sounding component 12 has an inner cavity, the inner cavity of the sounding component 12 is communicated with the rear cavity air release hole 111, the electromagnetic coil and the first ends of the two electrodes 120 are both located in the inner cavity, and the outer surface of the electromagnetic coil and the outer surface of at least the first ends of the two electrodes 120 located in the inner cavity are both provided with a waterproof layer, so as to play a certain waterproof role through the waterproof layer. It should be noted that the first end of the electrode 120 specifically refers to the portion of the electrode 120 located in the lumen; the second end of the electrode 120 particularly refers to the portion of the electrode 120 that is outside the lumen.

Wherein the waterproof layer may be a waterproof adhesive coated on the surface of the electromagnetic coil and the electrode 120. In a particular embodiment, a water barrier covers the outer surfaces of at least the first and second ends of the electromagnetic coil and the two electrodes 120 to prevent liquids from affecting the performance of the electromagnetic coil and the electrodes 120. Of course, the entire outer surface of both electrodes 120 may be provided with a water-proof layer.

The sealing member is disposed between the sound generating assembly 12 and the housing 11, and is used for sealing a gap between the sound generating assembly 12 and the housing 11. The inner cavity of the sound generating component 12 is communicated with the rear cavity air release hole 111, and the gap between the shell 11 and the sound generating component 12 is sealed by the sealing element, so that liquid entering the shell 11 from the rear cavity air release hole 111 can directly enter the inner cavity of the sound generating component 12, and the influence on the performance of other components of the earphone 10, such as communication components, power components and the like at other positions of the shell 11 due to the fact that the liquid enters other positions of the shell 11 is avoided; it can be understood that, because the outer surfaces of the electromagnetic coil and the two electrodes 120 in the inner cavity are both provided with waterproof layers, the liquid entering the inner cavity does not affect the performance of the electromagnetic coil and the electrodes 120, so that the earphone 10 has better waterproof performance.

Specifically, the sealing member may be a sealant filled between the casing 11 and the sounding component 12, such as silicone; in a particular embodiment, the seal is disposed around the entire circumference of the sound emitting assembly 12 to ensure the sealing effect of the seal.

In an exemplary embodiment, the headset 10 further includes other components found in conventional headsets, such as communication components and power components, which are specifically disposed within the housing 11 and outside of the interior cavity of the sound generating component 12. The communication component and the power supply component are electrically connected with the second ends of the two electrodes 120 so as to be electrically connected with the electromagnetic coil through the electrodes 120. In a particular embodiment, the filled portion of the seal includes at least the location where the communication and power components are electrically connected to the two electrodes 120.

The tuning mesh cloth 13 is arranged at a position of the shell 11 corresponding to the rear cavity air release hole 111, and the tuning mesh cloth 13 can specifically cover the rear cavity air release hole 111 completely so as to play a certain waterproof role and adjust the sound quality of sound; it can be understood that, because the liquid that gets into from the air escape hole 111 of back chamber can not lead to the fact the influence to other subassemblies in the earphone 10, consequently, even the screen cloth water-proof effects of this department is relatively poor, can not lead to the fact the influence to the performance of the subassembly that sets up in the earphone 10 yet, consequently, compare and adopt thicker waterproof screen cloth among the prior art, make the relatively poor scheme of earphone 10 tone quality, tuning screen cloth 13 can be adopted in this application, in order when playing certain waterproof performance, can effectively guarantee earphone 10's tone quality. The tuning mesh 13 is specifically a mesh which can play a certain waterproof role, has high air permeability and can be used for adjusting tone quality; the specific structure and function of the tuning mesh cloth 13 are the same as or similar to those of the tuning mesh cloth in the prior art, and the prior art can be referred to specifically.

In the bluetooth earphone 10 provided by the embodiment, the shell 11 is provided, and the shell 11 is provided with the rear cavity air release hole 111, so that the air tightness of the shell 11 is adjusted by using the rear cavity air release hole 111; meanwhile, the sound generating component 12 is arranged in the shell 11, so that the sound generating component 12 is utilized to generate sound when being electrified; and the inner cavity of the sounding component 12 is communicated with the rear cavity air leakage hole 111; in addition, a sealing member is arranged between the sound generating component 12 and the shell 11 so as to seal a gap between the sound generating component 12 and the shell 11; the inner cavity of the sound generating component 12 is communicated with the rear cavity air release hole 111, and the gap between the sound generating component 12 and the shell 11 is sealed by a sealing element, so that liquid entering the shell 11 from the rear cavity air release hole 111 can directly enter the inner cavity of the sound generating component 12, and the influence on the performances of other components such as a communication component, a power supply component and the like of the earphone 10 due to the fact that the liquid enters other positions of the shell 11 is avoided; because the outer surfaces of the electromagnetic coil positioned in the inner cavity and at least the first ends of the two electrodes 120 are provided with waterproof layers, the liquid entering the inner cavity cannot influence the performances of the electromagnetic coil and the electrodes 120, so that the earphone 10 can play a certain waterproof role; in addition, because the liquid that gets into from the air release hole 111 of back chamber can not lead to the fact the influence to the performance of earphone 10 internal component for the screen cloth that sets up the corresponding air release hole 111 position of back chamber at casing 11 can be tuning screen cloth 13, with effectively guarantee earphone 10's tone quality, and then can not lead to the fact the influence to waterproof performance when guaranteeing tone quality.

In an embodiment, referring to fig. 4, the sound generating assembly 12 specifically includes a speaker 121, a diaphragm 122, and a cover 123. Specifically, the speaker 121, the diaphragm 122, and the cover 123 have waterproof functions. In a specific embodiment, referring to fig. 4, the bluetooth headset 10 may further include other components such as a magnetic part 124 and a voice coil 125, and a specific working principle of the speaker 121, the diaphragm 122, the cover 123, the magnetic part 124, and the voice coil 125 cooperating to generate sound is the same as or similar to a working principle in the prior art, and may achieve the same or similar technical effects.

The horn 121 is configured to generate a magnetic field when powered on, and is matched with the diaphragm 122 and the cover 123 to form an inner cavity, and the horn 121 has a flow guide channel 1212a communicated with the inner cavity, and the inner cavity is communicated with the rear cavity air release hole 111 through the flow guide channel 1212 a. In a specific embodiment, the aperture of the flow guide channel 1212a may be the same as the aperture of the rear-cavity air-release hole 111, and the flow guide channel 1212a may be L-shaped, so as to buffer the liquid entering the inner cavity through the L-shaped flow guide channel 1212a, and reduce the impact force on the diaphragm 122 and other components in the inner cavity, thereby avoiding damage to the diaphragm 122 and/or other components in the inner cavity.

Specifically, above-mentioned water conservancy diversion passageway 1212a is the L type and distributes, and compatible tuning screen cloth 13 makes things convenient for the degree of freedom of loudspeaker 121 and tuning screen cloth 13 design. Of course, in other embodiments, the flow guide channel 1212a may also have other curved shapes such as an S shape, which is not limited in this application as long as it can play a certain role in buffering.

In an exemplary embodiment, referring to fig. 4, the horn 121 includes a horn body 1211, an electromagnetic coil (not shown) disposed on the horn body 1211, and a flow guide portion 1212.

The loudspeaker body 1211 is annular, the side wall of the annular loudspeaker body 1211 forms a side wall of the inner cavity, the diaphragm 122 is arranged on one side of the loudspeaker body 1211, which is close to the shell 11, and covers the loudspeaker body 1211 to form a bottom wall (or a top wall) of the inner cavity, and the cover 123 is arranged on the other side of the loudspeaker body 1211, which is away from the diaphragm 122, and covers the loudspeaker body 1211 to form a top wall (or a bottom wall) of the inner cavity, so that the closed inner cavity is defined; in an embodiment, a receiving groove 1211c (see fig. 7) is disposed on a side of the speaker body 1211 facing the diaphragm 122, and the electromagnetic coil is embedded in the receiving groove 1211 c; the speaker 1211 has a through hole, a first end of the electrode 120 passes through the through hole and is electrically connected to the electromagnetic coil, and a second end of the electrode 120 is located on an outer surface of the speaker 1211, i.e., outside the inner cavity, so as to lead the electromagnetic coil out of the inner cavity, such that the communication component and the power component, which are disposed inside the casing 11 and outside the inner cavity of the sound generating component 12, are connected to the electrode 120, and further electrically connected to the electromagnetic coil through the electrode 120.

Specifically, referring to fig. 6, fig. 6 is a schematic vertical cross-sectional view of a horn body according to an embodiment of the present disclosure; the vertical section of the horn body 1211 is stepped; specifically, the horn body 1211 includes a first step portion 1211a and a second step portion 1211b provided on the first step portion 1211 a; in an embodiment, the receiving groove 1211c is formed on a side surface of the first step portion 1211a away from the second step portion 1211b, the through hole is formed in the first step portion 1211a and is communicated with the receiving groove 1211c, the first end of the electrode 120 is located on a side surface of the first step portion 1211a away from the second step portion 1211b, and the second end is located on a side surface of the first step portion 1211a close to the first step portion 1211a, so that other components in the housing 11 except for components in the inner cavity can be electrically connected to the second end of the electrode 120, and further electrically connected to the electromagnetic coil through the electrode 120.

The flow guide portion 1212 is connected to the horn main body 1211 and extends to a position of the housing 11 corresponding to the rear cavity air release hole 111, so that an end surface of the flow guide portion 1212, which is far away from the horn main body 1211, abuts against an inner side wall of an edge of the housing 11 corresponding to the rear cavity air release hole 111; specifically, the flow guide channel 1212a is opened on the flow guide portion 1212, and one end of the flow guide channel 1212a communicates with the inner cavity, and the other end directly communicates with the rear cavity air release hole 111, so as to achieve seamless connection between the inner cavity and the rear cavity air release hole 111 through the flow guide portion 1212.

Specifically, the flow guiding portion 1212 may be integrally formed with the speaker body 1211 to facilitate the formation of the speaker body 121.

Referring to fig. 7, fig. 7 is a schematic vertical cross-sectional view of a horn provided in an embodiment of the present application; the flow guiding portion 1212 may be specifically located on the first step 1211a and connected to the second step 1211b of the horn body 1211, and an end of the flow guiding portion 1212 facing away from the second step 1211b protrudes out of the first step 1211a, so that an end surface of the flow guiding portion 1212 facing away from the second step 1211 abuts against an inner sidewall of the housing 11; specifically, a first surface of the flow guiding portion 1212 is attached to a side surface of the first step 1211a close to the second step 1211b, and a second surface of the flow guiding portion 1212, which is opposite to the first surface, is flush with a side surface of the second step 1211b away from the first step 1211a, so as to reduce the occupied volume of the horn 121.

In a specific embodiment, the tuning mesh cloth 13 is specifically disposed between the flow guiding portion 1212 and the inner wall of the housing 11, and the flow guiding portion 1212 specifically covers the entire tuning mesh cloth 13, so as to prevent the liquid from flowing to other positions of the housing 11 except for the inner cavity through the tuning mesh cloth 13, which causes the problem that the performance of other components is affected.

In a specific embodiment, an end surface of the flow guide portion 1212, which is away from the second step portion 1211b of the horn main body 1211, has a groove 1212c, an end of the flow guide channel 1212a, which is away from the second step portion 1211b of the horn main body 1211, communicates with a bottom of the groove 1212c, and the tuning mesh cloth 13 is specifically embedded in the groove 1212c, so as to limit the tuning mesh cloth 13 through the groove 1212c, and prevent the tuning mesh cloth 13 from being disposed between the end surface of the flow guide portion 1212 and the inner side wall of the housing 11, which may affect the sealing performance between the housing 11 and the sound emitting assembly 12.

Of course, in a specific embodiment, referring to fig. 5, the earphone 10 further comprises a protective cover 14, the protective cover 14 cooperating with the housing 11 to close the cavity opening, prevent components in the cavity of the earphone 10 from falling, and protect these components from falling ash, etc.

According to the Bluetooth headset 10, the surfaces of the electromagnetic coil and the electrode 120 are coated with the waterproof glue, so that the electromagnetic coil and the electrode 120 have certain waterproof performance, and even if the electromagnetic coil and the electrode 120 contact liquid, the performance of the electromagnetic coil and the electrode 120 cannot be damaged; meanwhile, the inner cavity of the sound generating component 12 is drawn to be directly communicated with the rear cavity air leakage hole 111 through the flow guide portion 1212, and a gap between the shell 11 and the sound generating component 12 is sealed through a sealing piece, so that external liquid directly enters the inner cavity after entering the rear cavity air leakage hole 111 and cannot enter other spaces except the inner cavity, and the performance of other components such as communication components, power components and the like arranged at the positions cannot be affected; the electromagnetic coil and the electrode 120 in the inner cavity have waterproof performance, and liquid entering the inner cavity cannot influence the performance of the electromagnetic coil and the electrode 120, so that the earphone 10 has better waterproof performance; in addition, because the liquid that gets into from the air release hole 111 of back chamber can not lead to the fact the influence to the performance of earphone 10's inner assembly, the screen cloth of the air release hole 111 of back chamber can adopt ventilative tuning screen cloth 13 to not only can satisfy the tone quality needs after earphone 10 opens air release hole 111 of back chamber, and can not influence earphone 10's water-proof effects, effectively promoted product competitiveness.

The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure or those directly or indirectly applied to other related technical fields are intended to be included in the scope of the present disclosure.

Claims (10)

1. A bluetooth headset, comprising:

the shell is provided with a rear cavity air release hole;

the sounding component is arranged in the shell and is used for sounding when electrified; the sounding assembly comprises an electromagnetic coil and two electrodes, and first ends of the two electrodes are connected with the electromagnetic coil; the sounding assembly is provided with an inner cavity, the electromagnetic coil and the first ends of the two electrodes are both positioned in the inner cavity, and waterproof layers are arranged on the outer surface of the electromagnetic coil and the outer surfaces of at least the first ends of the two electrodes; the inner cavity of the sounding assembly is communicated with the rear cavity air leakage hole, so that liquid entering the shell from the rear cavity air leakage hole directly enters the inner cavity of the sounding assembly;

and the sealing element is arranged between the sound production assembly and the shell and used for sealing a gap between the sound production assembly and the shell.

2. The bluetooth headset of claim 1, wherein the sound-generating assembly comprises a speaker, a diaphragm, and a cover;

the loudspeaker body is used for generating a magnetic field when being electrified and is matched with the vibrating diaphragm and the cover body to form the inner cavity; and the horn body is provided with a flow guide channel communicated with the inner cavity, and the inner cavity is communicated with the rear cavity air release hole through the flow guide channel.

3. The bluetooth headset of claim 2, wherein the horn comprises:

a horn body including the electromagnetic coil for generating a magnetic field when energized; the loudspeaker main body is provided with a through hole, and second ends of the two electrodes, which are opposite to the first ends, extend out of the inner cavity through the through hole so as to lead out the electromagnetic coil;

the water conservancy diversion portion, with the loudspeaker main part is connected and is had the water conservancy diversion passageway, the one end of water conservancy diversion passageway with the inner chamber intercommunication, the other end with the disappointing hole intercommunication of back chamber.

4. The bluetooth headset of claim 3, further comprising a tuning mesh cloth disposed at a position of the housing corresponding to the rear cavity air release hole for adjusting the tone quality of the sound emitted from the sound emitting assembly.

5. The Bluetooth headset of claim 4, wherein the tuning mesh cloth is arranged between the flow guide part and the inner wall of the shell and covers the rear cavity air leakage hole completely.

6. The Bluetooth headset of claim 5, wherein the end surface of the flow guide part, which is far away from the horn main body, abuts against the inner side wall of the shell, which corresponds to the edge of the rear cavity air release hole, and the tuning mesh cloth is completely covered.

7. The bluetooth headset according to claim 6, wherein the aperture of the flow guide channel is consistent with that of the back cavity air release hole, and the flow guide channel is L-shaped.

8. The bluetooth headset of claim 3, wherein the speaker body is integrally formed with the flow guide.

9. The bluetooth headset of claim 3, further comprising a communication assembly and a power assembly disposed within the housing and outside of the interior cavity of the sound-emitting assembly; the communication assembly and the power supply assembly are electrically connected with the second ends of the two electrodes.

10. The bluetooth headset of claim 9, wherein the waterproof layer is a waterproof adhesive and covers at least outer surfaces of the first and second ends of the two electrodes; and/or

The sealing member is filled between the shell and the sounding assemblies and surrounds the whole circumferential sealant of the sounding assemblies, and the part filled by the sealing member comprises the communication assemblies and the power supply assemblies and two positions electrically connected with the electrodes.

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